Calibrating device

Abstract

The invention discloses a calibrating device which comprises a base and a plurality of calibrating columns, and the plurality of calibrating columns form a plurality of calibrating groups. In the first verification state, all the verification columns jointly form a first verification group, a second verification group and a third verification group which are arranged in the second direction, and the first verification group, the second verification group and the third verification group respectively and correspondingly verify three first to-be-verified devices. And when the first verification state is switched to the second verification state, the verification columns are rearranged into a fourth verification group, a fifth verification group and a sixth verification group, and the fourth verification group and the sixth verification group are used for correspondingly verifying two second to-be-verified devices. Specifically, at least one verification column in the second verification group can move towards the first verification group so as to form a new fourth verification group together with the first verification group; or at least one verification column in the second verification group can move towards the third verification group so as to form a new sixth verification group together with the third verification group. According to the invention, through the movement of the verification column, the first to-be-verified device and the second to-be-verified device can be compatible at the same time.

Description

Technical Field

[0001] The invention relates to the field of electric energy meter calibration, and in particular to a calibration device. Background Art

[0002] In the electric energy metering industry, in order to ensure the accuracy and reliability of electric energy meters, power companies and electric energy meter manufacturers generally use electric energy meter automatic verification lines to perform electric energy meter verification work. According to the different types of electric energy meters, automatic verification lines are mainly divided into two categories: single-phase electric energy meter automatic verification lines and three-phase electric energy meter verification lines. As a key component of the verification line, the performance of the meter socket directly affects the efficiency and accuracy of the verification work.

[0003] The existing meter socket design is usually customized for a specific type of electric energy meter. For example, single-phase smart electric energy meter, three-phase direct-access smart electric energy meter and three-phase transformer-access smart electric energy meter each have an independent meter socket. However, this design results in the need to design and purchase corresponding meter sockets for different types of electric energy meters. In particular, when it is necessary to connect the auxiliary terminals on the socket, due to the lack of an avoidance mechanism, the outer shell of the electric energy meter itself can only withstand the connection pressure of the auxiliary terminals, which not only increases the complexity of the verification process, but may also cause potential damage to the socket and the electric energy meter.

[0004] However, there is no meter socket that can meet the compatibility requirements of two different types of electric meters at present. In addition, the number of electric energy meter probes designed in this way is large, the structure is complicated, and the cost is high. Summary of the invention

[0005] The main purpose of the present invention is to provide a verification device, which is intended to simultaneously meet the compatibility requirements of two different types of electric meters.

[0006] To achieve the above object, the present invention provides a verification device, wherein the verification device has a first verification state for verifying a first device to be verified, and a second verification state for verifying a second device to be verified, and the verification device comprises: Pedestal; A plurality of calibration columns are respectively connected to the base, each of the calibration columns extends along a first direction, and each of the calibration columns is arranged along a second direction intersecting the first direction; in the first calibration state, each of the calibration columns at least jointly forms a first calibration group, a second calibration group and a third calibration group arranged along the second direction, and the first calibration group, the second calibration group and the third calibration group are used to correspond to the calibration of the three first devices to be tested; in the second calibration state, each of the calibration columns at least jointly forms a fourth calibration group, a fifth calibration group and a sixth calibration group arranged in sequence along the second direction, and the fourth calibration group and the sixth calibration group are used to correspond to the calibration of the two second devices to be tested; Wherein, at least one of the calibration columns in the second calibration group moves toward the first calibration group to form the fourth calibration group together with the first calibration group; and / or, at least one of the calibration columns in the second calibration group moves toward the third calibration group to form the sixth calibration group together with the third calibration group.

[0007] In some embodiments, the first verification group, the second verification group, and the third verification group are configured to be suitable for verifying a single-phase electric energy meter; and / or, The fourth calibration group and the sixth calibration group are both configured to be suitable for calibrating three-phase electric energy meters; or, the fourth calibration group and the sixth calibration group are both configured to be suitable for calibrating special transformer collection terminals; or, the fourth calibration group and the sixth calibration group are both configured to be suitable for calibrating concentrators.

[0008] In some embodiments, the verification device further comprises a first drive assembly, wherein the first drive assembly is connected to the base; The first driving component is configured to drive at least one of the calibration columns in the second calibration group so that the driven calibration column moves relative to the base along the second direction to form the fourth calibration group together with the first calibration group; and / or, the first driving component is configured to drive at least one of the calibration columns in the second calibration group so that the driven calibration column moves relative to the base along the second direction to form the sixth calibration group together with the third calibration group.

[0009] In some embodiments, the first drive component is configured to drive at least one of the test columns in the second test group close to a side of the first test group; and / or, the first drive component is configured to drive at least one of the test columns in the second test group close to a side of the third test group.

[0010] In some embodiments, the first driving assembly includes a first driving cylinder and a driving plate, the first driving cylinder is connected to the base, the driving plate is connected to the first driving cylinder, and the first driving cylinder is configured to drive the driving plate to move along the first direction; The driving plate includes a plurality of driving holes, each of which extends obliquely relative to the first direction and is arranged along the second direction. Each of the inspection columns includes a detection end and a driving end, and at least part of the driving ends is provided with a driving protrusion, and each of the driving protrusions extends into each of the driving holes one by one, so that when the driving plate translates along the first direction, the corresponding inspection column is driven to translate along the second direction.

[0011] In some embodiments, the driving hole includes a first hole segment and a second hole segment that are connected to each other, and the first hole segment is located on a side of the second hole segment close to the detection end; The first driving cylinder is configured to drive the driving plate to move from a first position to a second position along the first direction, so that the driving protrusion moves from the end of the first hole segment away from the second hole segment relative to the driving plate to the end close to the second hole segment; The first driving assembly also includes a second driving cylinder connected to the base, and the second driving cylinder is configured to drive the driving plate to move from the second position to a third position along the first direction, so that each driving protrusion moves from the end of the first hole segment close to the second hole segment relative to the driving plate to the end of the second hole segment away from the first hole segment.

[0012] In some embodiments, along the first direction, the first hole segment and the second hole segment have different inclination angles.

[0013] In some embodiments, the multiple calibration columns include multiple voltage columns. In the first calibration state, each of the voltage columns is configured to be able to move along the first direction relative to the base to a first non-calibration position. In the second calibration state, each of the voltage columns is configured to be able to move along the first direction relative to the base to a first calibration position so as to calibrate the second device to be calibrated.

[0014] In some embodiments, the calibration device also includes a second driving component, which is connected to the base and each of the voltage columns, and the second driving component is used to drive each of the voltage columns to move along the first direction relative to the base to the first calibration position and the first non-calibration position.

[0015] In some embodiments, the multiple calibration columns include multiple current columns, and the calibration device also includes a third drive component, which is connected to the base and at least part of the current columns, and the third drive component is configured to drive at least part of the current columns to move relative to the base along the first direction to a second calibration position and a second non-calibration position.

[0016] In some embodiments, the detection device further includes a first auxiliary probe group and a second auxiliary probe group, the first auxiliary probe group and the second auxiliary probe group are both movably connected to the base, the first auxiliary probe group includes a plurality of first probes arranged along the second direction, and the second auxiliary probe group includes a plurality of second probes arranged along the second direction; In the first verification state, the first auxiliary probe group slides along the first direction relative to the base to a third verification position for verifying the three first devices to be verified, and the second auxiliary probe group slides along the first direction relative to the base to a third non-verification position; in the second verification state, the second auxiliary probe group slides along the first direction relative to the base to a fourth verification position for verifying the two second devices to be verified, and the first auxiliary probe group slides along the first direction relative to the base to a fourth non-verification position.

[0017] In some embodiments, the first auxiliary probe group and the second auxiliary probe group are arranged along a third direction, and the third direction intersects the first direction and the second direction respectively; The verification device further includes a fourth drive assembly, the fourth drive assembly includes a first double-piston-rod double-linked cylinder and a second double-piston-rod double-linked cylinder, the first double-piston-rod double-linked cylinder and the second double-piston-rod double-linked cylinder are arranged at intervals along the second direction; The first double-piston-rod double-linked cylinder comprises a first piston rod and a second piston rod arranged along the third direction, the first piston rod is connected to one side of the first auxiliary probe group along the second direction, the second piston rod is connected to one side of the second auxiliary probe group along the second direction, and the movement directions of the first piston rod and the second piston rod are opposite; The second double-piston-rod double-linked cylinder includes a third piston rod and a fourth piston rod arranged along the third direction, the third piston rod is connected to the other side of the first auxiliary probe group along the second direction, and the fourth piston rod is connected to the other side of the second auxiliary probe group along the second direction, and the movement directions of the third piston rod and the fourth piston rod are opposite.

[0018] In some embodiments, at least one of the test columns in the first test group is movable relative to the base along the second direction, so that each of the test columns in the first test group has at least two relative positions to test at least two types of the first devices to be tested; and / or, At least one of the test columns in the second test group is movable relative to the base along the second direction, so that each of the test columns in the second test group has at least two relative positions, so as to test at least two types of the first devices to be tested; and / or, At least one of the test columns in the third test group is movable relative to the base along the second direction, so that each of the test columns in the third test group has at least two relative positions, so as to test at least two types of the first devices to be tested; and / or, At least one of the test columns in the fourth test group is movable relative to the base along the second direction, so that each of the test columns in the fourth test group has at least two relative positions, so as to test at least two types of the second devices to be tested; and / or, At least one of the testing columns in the sixth testing group can move relative to the base along the second direction, so that each of the testing columns in the sixth testing group has at least two relative positions to test at least two types of the second devices to be tested.

[0019] In some embodiments, the calibration device also includes a fixed bracket and a fifth drive component, the base is movably connected to the fixed bracket, the fifth drive component is respectively connected to the fixed bracket and the base, and the fifth drive component is configured to drive the base to move along the first direction relative to the fixed bracket.

[0020] In some embodiments, the fixed bracket includes a base plate and a first slider and a second slider connected to the base plate, the first slider and the second slider are spaced apart along the second direction, the base is slidably connected to the first slider on one side along the second direction and slidably connected to the second slider on the other side, and the base is configured to slide along the first direction relative to the first slider and the second slider.

[0021] Compared with the prior art, the present invention has the following beneficial effects: The calibration device of the present application includes a base and a plurality of calibration columns. The base is used to carry the calibration columns, which are respectively connected to the base and extend along the first direction, and are arranged in a second direction intersecting the first direction. In the first calibration state, the calibration columns together form a first calibration group, a second calibration group and a third calibration group arranged along the second direction. These three calibration groups are used to correspond to the calibration of three first devices to be verified. When switching to the second calibration state, the calibration columns are rearranged into a fourth calibration group, a fifth calibration group and a sixth calibration group, wherein the fourth calibration group and the sixth calibration group are used to correspond to the calibration of two second devices to be verified. Specifically, at least one calibration column in the second calibration group can be moved toward the first calibration group to form a new fourth calibration group together with the first calibration group; or, at least one calibration column in the second calibration group can also be moved toward the third calibration group to form a new sixth calibration group together with the third calibration group.

[0022] This structural design allows the calibration device to flexibly adjust its internal layout to adapt to different types of devices to be calibrated. By moving the calibration column on the base, the calibration conversion from single-phase energy meter to three-phase energy meter or other equipment is realized. This not only improves the applicability of the calibration device, but also reduces the time required to replace the calibration equipment, improving the overall work efficiency.

[0023] In addition, the calibration device of the present application makes full use of the calibration columns in the second calibration group. Compared with the solution in which all the probes in the second probe group are gathered together and returned to the non-calibration position when calibrating the three-phase electric energy meter, the calibration columns in the second calibration group of the present application can be reused. Therefore, the calibration device of the present application can reduce the number of calibration columns, reduce material costs, and has a simple and beautiful structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0025] Figure 1 is a schematic diagram of a three-dimensional structure of a testing device in a first viewing angle according to an embodiment of the present invention; Figure 2 is a schematic diagram of a three-dimensional structure of a second viewing angle of a testing device in one embodiment of the present invention; Figure 3 It is a first exploded schematic diagram of a testing device in one embodiment of the present invention; Figure 4 It is a schematic diagram of the three-dimensional structure of the verification device in one embodiment of the present invention when the fixed bracket is hidden; Figure 5 It is an enlarged schematic diagram of a local A of a testing device in one embodiment of the present invention; Figure 6 It is a second exploded schematic diagram of a testing device in one embodiment of the present invention; wherein the testing device includes a first auxiliary probe group and a second auxiliary probe group; Figure 7 It is a schematic diagram of a three-dimensional structure after the first auxiliary probe group, the second auxiliary probe group and the fourth driving component are assembled in one embodiment of the present invention; Figure 8 It is a schematic diagram of a state in which the second auxiliary probe group is extended and the first auxiliary probe group is retracted in one embodiment of the present invention; Fig. 9 It is a schematic diagram of a state in which the first auxiliary probe group is extended and the second auxiliary probe group is retracted in one embodiment of the present invention; Fig.10 It is a first top view of a calibration device in one embodiment of the present invention; wherein the calibration column includes a voltage column and a current column, and each calibration column is extended; Fig.11 This is a schematic diagram of the structure of a driving plate in one embodiment of the present invention; Fig.12 It is a second top view of the testing device in one embodiment of the present invention; wherein each testing column corresponds to a terminal of a different device to be tested; Fig.13 A third top view of the testing device in one embodiment of the present invention, wherein a portion of the current column is retracted for avoidance; Fig.14 A fourth top view of the test device in one embodiment of the present invention, wherein each voltage column is retracted and avoided, and the test device has a fourth test group, a fifth test group and a sixth test group; Fig.15 FIG. 5 is a fifth top view of a calibration device according to an embodiment of the present invention, wherein the calibration device can be used to calibrate a three-phase electric energy meter, and each calibration column corresponds to each terminal of the three-phase electric energy meter (for the distribution of each terminal of the three-phase electric energy meter, please refer to Fig.19 and Fig. 20 ); Fig.16 It is a sixth top view of the test device in one embodiment of the present invention, wherein all voltage columns are retracted and part of the current columns are retracted and part of the test columns of the fourth test group are moved to the fifth test group, and part of the test columns of the sixth test group are moved to the fifth test group to form a second test group; Fig.17 FIG. 7 is a seventh top view of a calibration device according to an embodiment of the present invention, wherein the calibration device can be used to calibrate multiple single-phase electric energy meters, and each calibration column corresponds to each terminal of the single-phase electric energy meter (for the distribution of each terminal of the single-phase electric energy meter, please refer to FIG. Fig.18 ); Fig.18 It is a plan view schematic diagram of three single-phase electric energy meters in one embodiment of the present invention; Fig.19 It is a schematic plan view of two three-phase electric energy meters in one embodiment of the present invention, wherein the three-phase electric energy meters are mutual inductance access type electric energy meters; Fig. 20 It is a plan view of two three-phase electric energy meters in another embodiment of the present invention, wherein the three-phase electric energy meters are direct access electric energy meters; Fig.21 A schematic diagram of the movement distance of each calibration column relative to the initial state when the calibration device in one embodiment of the present invention calibrates a three-phase inductive access type electric energy meter, a three-phase direct access type electric energy meter and a single-phase electric energy meter respectively; Fig. 22 This is a schematic diagram of the movement distance of each calibration column relative to the initial state when the calibration device in another embodiment of the present invention calibrates a three-phase inductive access type electric energy meter, a three-phase direct access type electric energy meter and a single-phase electric energy meter respectively.

[0026] Description of Figure Numbers: Verification device 100; Base 110; fixed bracket 111; bottom plate 1111; first slider 1112; second slider 1113; Verification column 120; detection end 121; driving end 122; voltage column 123; current column 124; A first driving assembly 130; A first driving cylinder 131; Driving plate 132; driving hole 1321; first hole section 13211; second hole section 13212; A second driving cylinder 133; A second drive assembly 140; A third drive assembly 150; A first auxiliary probe group 160; a first probe 161; A second auxiliary probe group 170; a second probe 171; A fourth drive assembly 180; First double piston rod double linkage cylinder 181; first piston rod 1811; second piston rod 1812; A second double-piston-rod double-linked cylinder 182; a third piston rod 1821; a fourth piston rod 1822; A fifth drive assembly 190; A first device to be tested 200; Terminal A1; Terminal A2; Terminal A3; Terminal A4; Terminal B1; Terminal B2; Terminal B3; Terminal B4; Terminal C1; Terminal C2; Terminal C3; Terminal C4; The second device to be tested 300; Terminal D1; Terminal D2; Terminal D3; Terminal D4; Terminal D5; Terminal D6; Terminal D7; Terminal D8; Terminal D9; Terminal D10; Terminal E1; Terminal E2; Terminal E3; Terminal E4; Terminal E5; Terminal E6; Terminal E7; Terminal E8; Terminal E9; Terminal E10; Terminal D11; Terminal D12; Terminal D13; Terminal D14; Terminal D15; Terminal D16; Terminal D17; Terminal E11; Terminal E12; Terminal E13; Terminal E14; Terminal E15; Terminal E16; Terminal E17; The first inspection group is a; the second inspection group is b; the third inspection group is c; the fourth inspection group is d; the fifth inspection group is e; the sixth inspection group is f; The first direction is X; the second direction is Y; the third direction is Z.

[0027] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] In the related technology, in the electric energy metering industry, single-phase and three-phase electric energy meters are usually calibrated. Power companies and electric energy meter manufacturers automatically calibrate electric energy meters through electric energy meter automatic calibration lines. At present, it is mainly divided into single-phase electric energy meter automatic calibration lines and three-phase electric energy meter calibration lines. The meter socket is the core component of the calibration line. The existing calibration lines have single-phase smart electric energy meters, three-phase direct-access smart electric energy meters, and three-phase transformer-access smart electric energy meters. They are all independent meter sockets. When calibrating single-phase and three-phase direct / transformer IoT meters, the auxiliary terminals of the meter socket cannot be avoided, and the auxiliary terminal connection pressure can only be borne by the casing of the IoT electric energy meter. According to the calibration needs, various independent calibration lines are designed, purchased / configured separately. The existing meter sockets can quickly switch between direct and transformer-connected three-phase energy meters to achieve compatibility, but the existing meter sockets do not achieve compatibility between single-phase and three-phase energy meters. (The existing six-line one-warehouse / four-line one-warehouse basic single-phase energy meter automated calibration system tray unit of the power company has 6 meter positions (3 meter positions on each side, size 410mm*410mm)), and the three-phase energy meter automated calibration system tray unit has 2 meter positions (single-side layout, size 410mm*410mm); the width of the automated calibration system calibration unit is 1m, of which the conveying module is 415mm, and the meter socket is divided into left and right connections for a total of 585mm, and the size of the single-side meter socket is limited to 410mm*290mm.) The present application proposes a calibration device 100, which is intended to meet the compatibility requirements of single-phase electric energy meters and three-phase electric energy meters at the same time, and has a simple structure, low material cost, and beautiful appearance. Figures 1 to 22 , the verification device 100 of the present application is described.

[0030] Reference Figure 1 , Fig.14 and Fig.16In some embodiments, the calibration device 100 includes a base 110 and a plurality of calibration columns 120. The base 110 is used to carry the calibration columns 120, which are respectively connected to the base 110 and extend along a first direction X, and are arranged in a second direction Y intersecting the first direction X. Specifically, in some embodiments, the first direction X and the second direction Y can be two directions intersecting each other in the same plane, for example, the first direction X and the second direction Y are two directions perpendicular to each other in a horizontal plane. In the first calibration state, each calibration column 120 together forms a first calibration group a, a second calibration group b and a third calibration group c arranged along the second direction Y. These three calibration groups are used to correspondingly calibrate the three first devices to be calibrated 200. When switched to the second calibration state, the calibration columns 120 are rearranged into a fourth calibration group d, a fifth calibration group e and a sixth calibration group f, wherein the fourth calibration group d and the sixth calibration group f are used to correspondingly calibrate the two second devices to be calibrated 300. Specifically, at least one calibration column 120 in the second calibration group b can move toward the first calibration group a to form a new fourth calibration group d together with the first calibration group a; or, at least one calibration column 120 in the second calibration group b can also move toward the third calibration group c to form a new sixth calibration group f together with the third calibration group c.

[0031] On the one hand, this structural design allows the calibration device 100 to flexibly adjust its internal layout to adapt to different types of devices to be calibrated. By moving the calibration column 120 on the base 110, the calibration conversion from a single-phase electric energy meter to a three-phase electric energy meter or other equipment is realized. This not only improves the applicability of the calibration device 100, but also reduces the time required to replace the calibration equipment, thereby improving the overall work efficiency.

[0032] On the other hand, the calibration device 100 of the present application makes full use of the calibration columns 120 in the second calibration group b. Compared with the solution in which all the probes in the second probe 171 group are gathered together and returned to the non-calibration position when calibrating the three-phase electric energy meter, the calibration columns 120 in the second calibration group b of the present application can be reused. Therefore, the calibration device 100 of the present application can reduce the number of calibration columns 120, reduce material costs, and has a simple and beautiful structure.

[0033] It can be understood that the extension direction of the calibration column 120 is the first direction X, that is, the first direction X is the axial direction of the calibration column 120, so when the calibration column 120 calibrates the first device to be tested 200 or the second device to be tested 300, the calibration column 120 expands and contracts along its own axial direction to insert the first device to be tested 200 or the second device to be tested 300, and completes the calibration of the first device to be tested 200 or the second device to be tested 300. When the calibration column 120 needs to be converted to adapt to the first device to be tested 200 or the second device to be tested 300, the calibration column 120 moves along the second direction Y, and each independent calibration column 120 moves a different distance along the second direction Y, and some calibration columns 120 gather together to form the aforementioned calibration groups. The clustering here is only a description of the positional relationship of the calibration columns 120, which is intended to reflect this modular grouping method. There is no restriction on whether the spacing between the calibration columns 120 in the same group should be smaller than the spacing between different groups, that is, the spacing between the calibration columns 120 in the same group can be larger than the spacing between two adjacent groups, or smaller than the spacing between two adjacent groups.

[0034] Of course, it is understandable that after the calibration columns 120 are grouped, all the calibration columns 120 in the same group can all participate in the calibration work of the first device to be tested 200 or the second device to be tested 300, or only some of the calibration columns 120 can participate in the calibration work of the first device to be tested 200 or the second device to be tested 300. Whether the calibration columns 120 themselves need to participate in the actual work does not affect the division of their groups in this application. This application is intended to indicate that by classifying the calibration columns 120 into different groups, the calibration device 100 can adapt to the first device to be tested 200 and the second device to be tested 300 at the same time by converting the grouping structure. As for whether all the classified calibration columns 120 participate in the work, this application does not impose any restrictions, and it is only necessary that the calibration device 100 can successfully calibrate the first device to be tested 200 and the second device to be tested 300. For example, in some embodiments, only some of the calibration columns 120 in the same group participate in the work, and it is only necessary that the calibration columns 120 not participating in the work do not interfere with the calibration of the first device 200 or the second device 300 to be tested by other calibration columns 120.

[0035] Of course, it is understandable that the present application divides the calibration column 120 into a first calibration group a, a second calibration group b, and a third calibration group c, so that the calibration device 100 can calibrate the first device to be tested 200. Then for multiple first devices to be tested 200, based on the design concept of the present application, more calibration groups can be set up so that the calibration device 100 of the present application can calibrate more first devices to be tested 200 at the same time. Furthermore, for first devices to be tested 200 of different specifications, for example, for first devices to be tested 200 of different specifications with different socket arrangement positions and different numbers of sockets for matching the calibration column 120, the present application can adapt to first devices to be tested 200 of different specifications by adjusting the position of the calibration column 120 in each group. Specifically, for the first device to be tested 200 of the original specifications, the test columns 120 in the first test group a are arranged in the original arrangement. After switching to the first device to be tested 200 of the new specifications, the test columns 120 in the first test group a are arranged in a new arrangement, for example, the test columns 120 in the first test group a are controlled to move along the second direction Y respectively to adjust the distance between each other, so as to adapt to the interface of the first device to be tested 200 of the new specifications. Of course, in the case where the number of interfaces of the first device to be tested 200 of different specifications changes, the structure of the first test group a can also be adjusted by adding test columns 120 to the first test group a or reducing the test columns 120 for adaptation. Of course, it can be understood that, according to the foregoing embodiments, the first test group a can also be configured so that only part of the test columns 120 participate in the work, and the remaining test columns 120 that do not participate in the work do not interfere with the actual work of the test device 100. The above content takes the structural changes of the first test group a as an example. As for the second test group b and the third test group c, in actual operation, the concept of their structural adjustment is similar to that of the first test group a, and will not be repeated here. Of course, the situation in which the test device 100 processes the second device to be tested 300 is similar to the situation in which it processes the first device to be tested 200, and will not be repeated here.

[0036] In summary, it can be understood that the first calibration state can be used to calibrate different types of single-phase electricity meters, for example, single-phase electricity meters with multiple specifications and multiple interfaces; the second calibration state can be used to calibrate different types of three-phase electricity meters or acquisition terminals, for example, three-phase electricity meters with multiple specifications and multiple interfaces.

[0037] Of course, based on the design principles of the present application, the calibration device of the present application is not limited to including only the first calibration group a, the second calibration group b, the third calibration group c, etc., but can also include multiple calibration groups, wherein one of the multiple calibration groups is configured to be split and thus integrated into other calibration groups to calibrate different devices to be calibrated.

[0038] It is understandable that, in some embodiments, in order to further improve the flexibility of the calibration device 100, the calibration column 120 can also be configured to be able to perform more precise position adjustment on the base 110. For example, the calibration column 120 can be installed on the base 110 through a precision guide rail or a slider system, so that the relative position between the calibration columns 120 can be more accurately controlled. In addition, an automated control system can be introduced to automatically adjust the position of the calibration column 120, so that the operator can complete the state switching of the calibration device 100 more quickly and conveniently. Such an expansion not only increases the convenience of operation of the calibration device 100, but also ensures the accuracy and repeatability of the calibration process, thereby enhancing the reliability of the entire calibration system. In addition, considering the diversity in actual applications, in order to facilitate the calibration column 120 to be compatible with various specifications of the devices to be calibrated, the calibration column 120 itself may also have certain adjustment functions, such as adjustable length or adjustable angle, so as to better fit the various different dimensions of the devices to be calibrated.

[0039] Reference Fig.16 and Fig.17 In some embodiments, the first calibration group a, the second calibration group b and the third calibration group c are all configured to be suitable for calibrating single-phase electric energy meters. The spacing, height and other relevant parameters of the calibration columns 120 in each calibration group are adaptively designed to ensure that they can accurately contact and test the various performance indicators of the single-phase electric energy meter. In addition, the fourth calibration group d and the sixth calibration group f are specially configured to calibrate other types of electrical products, such as three-phase electric energy meters, special transformer collection terminals or concentrators. When calibrating special transformer collection terminals, two rows of auxiliary probes can be designed. Please refer to Fig.16 , Fig.19 as well as Fig. 20 For such devices, the distance between the calibration columns 120, the arrangement and the positions of the supporting points are adjusted accordingly to meet the physical characteristics and electrical requirements of different products.

[0040] Such a configuration ensures that the calibration device 100 can not only handle common single-phase energy meters, but also can efficiently and accurately detect more complex multi-phase energy meters and other power management equipment. By adjusting and optimizing the position of the calibration column 120 and their mutual relationship, the calibration device 100 of the present application can provide a wide range of applications while maintaining high accuracy, greatly reducing the need for users to purchase additional calibration equipment in different application scenarios.

[0041] It is understandable that in some embodiments, in order to increase the versatility and adaptability of the calibration device 100, in addition to the specific configurations mentioned above, a modular design concept can also be adopted. That is, each calibration column 120 can be quickly disassembled and reorganized according to actual needs, and can even be equipped with different types of probes or sensors to support the calibration of more types of electrical equipment. For example, if a three-phase electric energy meter of a special model is to be calibrated, it is only necessary to replace the corresponding special calibration component. Similarly, for more special power management units such as special transformer acquisition terminals or concentrators, exclusive calibration modules can also be developed to ensure that each device can obtain the most suitable test conditions. This method not only simplifies the calibration process, but also greatly facilitates the user's daily maintenance work and extends the overall service life of the calibration device 100. In addition, the design of the calibration device 100 should also leave enough room for upgrading so that new functions can be added or existing mechanisms can be improved at any time to maintain its long-term competitiveness.

[0042] Reference Figure 4 In some embodiments, the calibration device 100 further includes a first drive assembly 130, which is connected to the base 110. The first drive assembly 130 is designed to drive at least one calibration column 120 in the second calibration group b, so that these calibration columns 120 can move relative to the base 110 along the second direction Y. Specifically, when it is necessary to switch from the first calibration state to the second calibration state, the first drive assembly 130 can push one or more calibration columns 120 in the second calibration group b toward the first calibration group a to form a fourth calibration group d together with the first calibration group a; or, it can also push one or more calibration columns 120 in the second calibration group b toward the third calibration group c to form a sixth calibration group f together with the third calibration group c.

[0043] Through this structural setting, the calibration device 100 can flexibly adjust the position of the calibration column 120, thereby achieving adaptability to different types of devices to be tested. Such a mechanism not only simplifies the operation process, but also improves the efficiency and accuracy of the calibration process. Since the calibration column 120 can be accurately controlled by the drive component, it can be ensured that the calibration column 120 is in the best position each time the calibration is performed, thereby ensuring the consistency and reliability of the calibration results.

[0044] It is understandable that in some embodiments, in order to improve the accuracy and stability of the movement of the calibration column 120, the first drive component 130 may also include additional positioning sensors and feedback control systems. For example, a position sensor can be installed on the calibration column 120, and the position of the calibration column 120 can be monitored and adjusted in real time through a closed-loop control system. In addition, the drive component itself can also adopt more advanced technologies, such as servo motors, linear actuators, etc., to provide smoother and more precise motion control. This can not only reduce mechanical wear and extend the life of the equipment, but also maintain high performance in complex and changing working environments. At the same time, taking into account the various situations that may be encountered in actual applications, the design of the drive component also needs to have certain fault detection and self-diagnosis capabilities, so as to quickly identify problems and take corresponding measures to further improve the reliability and user-friendliness of the system.

[0045] In some embodiments, the first driving component 130 is specially configured to drive at least one of the second testing group b near the first testing group a, and / or at least one of the testing columns 120 near the third testing group c. This means that the first driving component 130 can selectively drive the testing columns 120 at specific positions according to actual needs, thereby achieving more sophisticated and efficient reorganization of the testing groups.

[0046] In this way, the calibration device 100 can flexibly adjust its internal layout under different calibration states. For example, when it is necessary to switch from the first calibration state to the second calibration state, the first drive component 130 can selectively drive one or more calibration columns 120 in the second calibration group b close to the side of the first calibration group a, so that it moves and combines with the first calibration group a to form a new fourth calibration group d. Similarly, the first drive component 130 can also selectively drive one or more calibration columns 120 in the second calibration group b close to the side of the third calibration group c, so that it moves and combines with the third calibration group c to form a new sixth calibration group f.

[0047] This selective driving mechanism allows the calibration device 100 to perform a more customized calibration group configuration according to the specific type and size of the device to be tested. This not only improves the flexibility of the calibration process, but also enhances the accuracy and reliability of the calibration results. By accurately controlling the position of the calibration column 120, the calibration device 100 can better adapt to various different calibration requirements and improve the efficiency of the entire calibration process.

[0048] Further, in some embodiments, the first drive assembly 130 is configured to drive the calibration column 120 along a straight line; in some embodiments, the first drive assembly 130 is configured to drive the calibration column 120 along a curve. Driving along a straight line is simple and direct, easy to design, and efficient; driving along a curve can avoid obstacles to ensure smooth movement of the calibration column 120. The present application does not limit the movement trajectory of each calibration column 120, and it is sufficient to drive the corresponding calibration column 120 to a preset position in a certain way.

[0049] In some embodiments, the first drive assembly 130 is not required, and the operator configures the position of each calibration column 120 by manual adjustment. For example, a calibration column 120 in the second calibration group b is unplugged, and then inserted into the area where the first calibration group a is located, so as to be recombined with the original first calibration group a to form a third calibration group c.

[0050] It is understandable that in some embodiments, in order to enhance the selectivity and controllability of the first drive component 130, an intelligent control algorithm can also be introduced. For example, through a preset program logic or self-learning algorithm, the drive component can automatically identify the needs of the current calibration task, and decide which calibration columns 120 need to be moved and how to move them accordingly. In addition, the drive component can also be equipped with a variety of drive modes, such as manual mode, semi-automatic mode and fully automatic mode, to meet the requirements of different operators and technical levels. This intelligent design not only simplifies the operation process, but also greatly reduces the possibility of human error and improves overall work efficiency. At the same time, in order to cope with possible abnormal situations, the drive component can also integrate safety protection mechanisms, such as overload protection, emergency stop and other functions to ensure the safety and stability of equipment operation.

[0051] In some embodiments, the first driving assembly 130 includes a first driving cylinder 131 and a driving plate 132. The first driving cylinder 131 is connected to the base 110, and the driving plate 132 is connected to the first driving cylinder 131. The first driving cylinder 131 is configured to be able to drive the driving plate 132 to move along the first direction X. A plurality of driving holes 1321 are provided on the driving plate 132, and these driving holes 1321 extend obliquely relative to the first direction X and are arranged along the second direction Y. Each calibration column 120 includes a detection end 121 and a driving end 122, and at least part of the driving end 122 is provided with a driving protrusion, and these driving protrusions extend into the driving hole 1321 one by one. When the driving plate 132 translates along the first direction X, the corresponding calibration column 120 can translate along the second direction Y through the cooperation between the driving hole 1321 and the driving protrusion.

[0052] This structural design allows the calibration column 120 to move precisely laterally on the base 110, thereby achieving conversion between different calibration groups. Since the drive hole 1321 is inclined, when the drive plate 132 moves along the first direction X, the drive hole 1321 will drive the calibration column 120 to move along the second direction Y, forming a mechanical linkage mechanism. This not only improves the flexibility of the calibration device 100, but also ensures the accuracy and consistency during the calibration process. In addition, the inclination angle and layout of the drive hole 1321 have been carefully designed to ensure that the calibration column 120 can be accurately aligned at the required position for efficient calibration operations.

[0053] It is understood that, in some embodiments, in order to further improve the stability and accuracy of the movement of the calibration column 120, a guide groove or a guide rail can be provided on the drive plate 132 to limit the motion trajectory of the drive plate 132 in the first direction X. At the same time, the internal shape of the drive hole 1321 can also be designed as a specific profile, such as a V-shape, a U-shape or other shapes, to better guide the movement of the drive protrusion, reduce friction and improve positioning accuracy. In addition, rolling elements (such as balls) can be used between the drive hole 1321 and the drive protrusion to reduce the wear of the contact surface and extend the service life. In addition, considering the various working conditions that may exist in actual applications, the design of the drive plate 132 and the drive hole 1321 also needs to have a certain rigidity and strength to withstand frequent operations without deformation. Finally, in order to facilitate maintenance and adjustment, the drive plate 132 can be designed to be detachable, which is convenient for replacing or cleaning impurities in the drive hole 1321.

[0054] Reference Fig.11 In some embodiments, the driving hole 1321 is composed of two connected parts: a first hole section 13211 and a second hole section 13212. The first hole section 13211 is located on a side close to the detection end 121, and the second hole section 13212 is located on a side away from the detection end 121. The first driving cylinder 131 is configured to drive the driving plate 132 to move from a first position to a second position, so that the driving protrusion moves from the end of the first hole section 13211 away from the second hole section 13212 to the end close to the second hole section 13212. In addition, the first driving assembly 130 also includes a second driving cylinder 133, which is also connected to the base 110 and is configured to drive the driving plate 132 to move from the second position to a third position, so that the driving protrusion moves from the end of the first hole section 13211 close to the second hole section 13212 to the end of the second hole section 13212 away from the first hole section 13211.

[0055] This dual-stage drive design allows the calibration column 120 to achieve a longer distance displacement through two-step movement while maintaining high accuracy. First, the first drive cylinder 131 pushes the drive plate 132 to the middle position (i.e., the second position), at which time the drive protrusion has partially entered the second hole section 13212; then, the second drive cylinder 133 continues to push the drive plate 132 to the final position (i.e., the third position), so that the drive protrusion completely enters the second hole section 13212. This staged drive mechanism avoids the instability factors that may be caused by a single large-scale movement, and also simplifies the complexity of the drive system.

[0056] It can be understood that the two cylinders are divided into two drive cylinders, so that both cylinders only need to move from the maximum stroke position to the minimum stroke position. Compared with setting up other single drive components that can stay at any intermediate position, the cost of setting up two cylinders for driving is lower.

[0057] It is understood that in some embodiments, in order to further optimize the driving process, the inclination angles of the first hole segment 13211 and the second hole segment 13212 can be designed to be different values. For example, the inclination angle of the first hole segment 13211 can be smaller to provide a smoother transition during the initial movement; while the inclination angle of the second hole segment 13212 can be larger to achieve a faster movement speed. Such a design not only ensures the stability of the initial stage, but also improves the efficiency of the subsequent stages. In addition, in order to enhance the reliability and durability of the entire drive system, the selection of the drive cylinder is also very important, and pneumatic components with high response speed and good durability can be selected. At the same time, in order to ensure the straightness and stability of the drive plate 132 throughout the stroke, a linear guide or slider system can be introduced to assist support and guidance. Finally, considering the maintenance problem after long-term use, the connecting parts between the drive cylinder and the drive plate 132 should be designed to be easy to disassemble and replace for regular inspection and maintenance.

[0058] In some embodiments, specifically, along the first direction X, the first hole segment 13211 and the second hole segment 13212 have different inclination angles. This design enables the driving plate 132 to guide the calibration column 120 to perform more complex and precise position adjustment through the hole segments with different inclination angles when moving along the first direction X.

[0059] Specifically, when the drive plate 132 moves from the first position to the second position, the drive protrusion will move along the first hole segment 13211. Due to the inclination angle of the first hole segment 13211, the calibration column 120 will gradually move toward the predetermined position along the second direction Y. Then, when the drive plate 132 continues to move from the second position to the third position, the drive protrusion enters the second hole segment 13212. Since the inclination angle of the second hole segment 13212 is different from that of the first hole segment 13211, this will cause the calibration column 120 to continue to move along the second direction Y at a different rate or trajectory, and finally reach the desired precise position. Such a structural design not only improves the positioning accuracy of the calibration column 120, but also allows the calibration device 100 to adapt to a more diverse layout of the device to be calibrated.

[0060] It is understandable that in some embodiments, in order to further improve the flexibility of the drive hole 1321 to adjust the position of the calibration column 120, multiple groups of first hole segments 13211 and second hole segments 13212 with different inclination angles can be designed. For example, several groups of hole segments with different angles can be set, and each group of hole segments corresponds to a specific type of device to be tested, so that a suitable angle combination can be selected according to actual needs to drive the calibration column 120. In addition, a sensor can be introduced to monitor the position of the drive protrusion in the hole segment, and the action of the drive cylinder can be adjusted in real time through the control system to achieve more precise control. In addition, considering the problem that long-term use may cause wear of the hole segment, the inner surface of the hole segment can be coated with a wear-resistant material or a self-lubricating material can be used to extend the service life and maintain good motion performance. Finally, in order to simplify maintenance work, the design of the drive plate 132 and the hole segment should be easy to disassemble and replace for regular inspection and cleaning.

[0061] It is understandable that, in some embodiments, the inclination angles of the first hole segment 13211 and the second hole segment 13212 may also be set to be the same, and the first hole segment 13211 and the second hole segment 13212 cooperate together to enable the calibration column 120 to reach the expected position.

[0062] Reference Fig.10 In some embodiments, the plurality of test posts 120 include a plurality of voltage posts 123. These voltage posts 123 are capable of moving along a first direction X on the base 110. In a first test state, each voltage post 123 is configured to be capable of moving along the first direction X to a first non-test position relative to the base 110; and in a second test state, each voltage post 123 is configured to be capable of moving along the first direction X to a first test position to test the second device to be tested 300. Such a design allows the voltage posts 123 to flexibly adjust their positions according to different test requirements, thereby ensuring the effectiveness and accuracy of the test process.

[0063] In this way, the voltage column 123 can be moved to a suitable non-testing position without interfering with other test operations, avoiding unnecessary electrical connections, and quickly and accurately reaching the specified position when a test is required. This mobility not only increases the operational flexibility of the test device 100, but also improves the overall work efficiency.

[0064] It is understood that in some embodiments, in order to enhance the stability and controllability of the movement of the voltage column 123, a guide rail or a slide groove is provided on the base 110 to ensure that the voltage column 123 moves smoothly and accurately along the first direction X. In addition, each voltage column 123 can be equipped with an independent driving mechanism, such as a micro motor or a linear actuator, and its movement can be accurately controlled by an electronic control system. In this way, not only can the independent control of a single voltage column 123 be achieved, but also the coordinated action of multiple voltage columns 123 can be synchronously controlled to meet complex verification requirements. In addition, in order to ensure electrical safety, the moving path of the voltage column 123 should be designed to be far enough to prevent accidental contact with the device to be verified or other components in a non-verification state. At the same time, limit devices can be set at both ends of the moving path of the voltage column 123 to prevent exceeding the preset range and ensure the safety of the operation of the equipment. Finally, considering the reliability of long-term use, the voltage column 123 and its driving components should be made of high-quality materials and undergo appropriate protective treatment to resist the influence of environmental factors.

[0065] Reference Figure 6 In some embodiments, the testing device 100 further includes a second drive assembly 140, which is connected to the base 110 and each voltage column 123. The second drive assembly 140 is designed to drive each voltage column 123 to move relative to the base 110 along the first direction X, so that it can move from the first non-test position to the first test position, or vice versa. When in the first test state, each voltage column 123 will move to the first non-test position to avoid interfering with other test operations; and when it is necessary to switch to the second test state, these voltage columns 123 will be driven to the first test position to accurately test the electrical performance of the second device 300 to be tested.

[0066] Through such a structural setting, the calibration device 100 can flexibly adjust the position of the voltage column 123 under different conditions, so as to adapt to different types and specifications of devices to be tested. This automated displacement mechanism not only improves the efficiency of the calibration process, but also ensures that the voltage column 123 is in the best working position during each calibration, thereby improving the consistency and reliability of the calibration results.

[0067] It is understandable that the second drive assembly 140 can be configured to be manually driven, or mechanically driven, for example, the driving operation of the second drive assembly 140 is achieved by a back-pull cylinder.

[0068] It is understandable that in some embodiments, in order to further improve the accuracy and stability of the positioning of the voltage column 123, the second drive component 140 can use a high-precision linear actuator or servo motor and be equipped with a closed-loop control system. For example, a position sensor can be installed on the voltage column 123 to feed back its current position information to the controller in real time, and accurate position adjustment can be achieved through a PID control algorithm. In addition, taking into account various environmental factors in actual applications, such as temperature changes, mechanical wear, etc., a self-calibration function can also be added to the system to automatically check and adjust the position deviation of the voltage column 123 on a regular basis to ensure accuracy during long-term use. At the same time, in order to simplify maintenance and troubleshooting, the design of the drive component should consider modularization to facilitate rapid replacement of damaged parts and reduce downtime.

[0069] Reference Figure 6 In some embodiments, the multiple calibration columns 120 further include multiple current columns 124. In addition to the voltage column 123, the calibration device 100 further includes a third drive component 150, which is connected to the base 110 and at least part of the current columns 124. The third drive component 150 is configured to drive these current columns 124 to move relative to the base 110 along the first direction X, so that they can move from the second non-calibration position to the second calibration position, or vice versa. In the first calibration state, the current column 124 is usually located in the second non-calibration position and does not participate in the calibration process; in the second calibration state, the current column 124 will be moved to the second calibration position to perform necessary current detection on the second device 300 to be calibrated.

[0070] In this way, the current column 124 can flexibly change its position according to actual needs, thereby supporting different types of electrical performance tests. This dynamic adjustment capability enables the verification device 100 to better adapt to a variety of verification tasks, improving the versatility and flexibility of the device.

[0071] It is understandable that the third driving assembly 150 can be configured to be manually driven, or mechanically driven, for example, the driving operation of the third driving assembly 150 can be achieved by a back-pull cylinder.

[0072] It is understood that in some embodiments, in order to ensure the stability and accuracy of the current column 124 during movement, the third drive component 150 can also use a precision linear actuator or servo motor, and combine sensor technology to achieve closed-loop control. For example, the movement trajectory of the current column 124 can be monitored by a displacement sensor installed on the current column 124, and a microprocessor can be used for data processing and control instruction generation, so as to achieve highly accurate position control. In addition, considering the electromagnetic interference problem that may exist in the current detection process, the current column 124 and its drive component should take appropriate shielding measures to ensure the stability and accuracy of signal transmission. In addition, in order to extend the service life, the sliding contact surface between the current column 124 and the base 110 can be made of wear-resistant material and lubricated regularly to reduce friction loss. Finally, in order to cope with possible abnormal situations, the third drive component 150 can also integrate safety protection mechanisms, such as overload protection, emergency stop and other functions, to ensure the safety and reliability of equipment operation.

[0073] Reference Figures 6 to 9 In some embodiments, the testing device 100 further includes a first auxiliary probe group 160 and a second auxiliary probe group 170. Both groups of auxiliary probes are movably connected to the base 110. The first auxiliary probe group 160 includes a plurality of first probes 161 arranged along the second direction Y, and the second auxiliary probe group 170 includes a plurality of second probes 171 arranged along the second direction Y. In the first testing state, the first auxiliary probe group 160 will slide relative to the base 110 along the first direction X to the third testing position so as to test the three first devices to be tested 200; at the same time, the second auxiliary probe group 170 will move to the third non-testing position and will not participate in the current testing process. In the second testing state, the second auxiliary probe group 170 will move to the fourth testing position for testing the two second devices to be tested 300; at this time, the first auxiliary probe group 160 will move to the fourth non-testing position.

[0074] Through this configuration, the auxiliary probe group can flexibly switch between different test states, ensuring that it can accurately contact the key points of the device to be tested each time, thereby improving the accuracy of the test results. In addition, such a design also simplifies the operation process of the test device 100, reduces the need for manual intervention, and improves the overall work efficiency.

[0075] It is understandable that in some embodiments, in order to further enhance the flexibility and accuracy of the auxiliary probe group, a precision guide rail or slider system can be provided between the auxiliary probe group and the base 110 to ensure smooth and precise movement. In addition, the auxiliary probe group can be equipped with an independent drive mechanism, such as a micro motor or a linear actuator, and automatic control can be achieved through an electronic control system. In this way, not only the independent movement of a single probe group can be achieved, but also the coordinated action between the two groups of probes can be coordinated to meet the needs of complex verification tasks. In addition, considering the reliability of long-term use, the auxiliary probe group and its related components should be made of high-quality materials, and appropriate protective measures should be taken to resist the influence of environmental factors. Finally, in order to facilitate maintenance and troubleshooting, the design of the auxiliary probe group should be easy to disassemble and replace to reduce downtime.

[0076] In some embodiments, the first auxiliary probe group 160 and the second auxiliary probe group 170 are arranged along a third direction Z, which intersects the first direction X and the second direction Y respectively. The verification device 100 also includes a fourth drive assembly 180, which is composed of a first double-piston rod double-linked cylinder 181 and a second double-piston rod double-linked cylinder 182. The two double-piston rod double-linked cylinders are arranged at intervals along the second direction Y, and each cylinder includes two piston rods, which move in opposite directions, so that the auxiliary probe groups can be effectively driven to switch between different positions.

[0077] Specifically, the first double piston rod double linkage cylinder 181 includes a first piston rod 1811 and a second piston rod 1812 arranged along the third direction Z. The first piston rod 1811 is connected to one side of the first auxiliary probe group 160 along the second direction Y, and the second piston rod 1812 is connected to one side of the second auxiliary probe group 170 along the second direction Y. When the first piston rod 1811 is pushed forward, the second piston rod 1812 will pull backward, and vice versa. This enables the first auxiliary probe group 160 and the second auxiliary probe group 170 to move synchronously but in opposite directions, thereby achieving rapid position conversion.

[0078] Similarly, the second double-piston-rod double-linked cylinder 182 also includes a third piston rod 1821 and a fourth piston rod 1822 arranged along the third direction Z. The third piston rod 1821 is connected to the other side of the first auxiliary probe group 160 along the second direction Y, and the fourth piston rod 1822 is connected to the other side of the second auxiliary probe group 170 along the second direction Y. The movement directions of the third piston rod 1821 and the fourth piston rod 1822 are also opposite, and they work together to ensure that the auxiliary probe group can move smoothly and accurately to the desired position.

[0079] Through this double piston rod double linkage design, the calibration device 100 can efficiently and reliably adjust the position of the auxiliary probe group to adapt to different types and specifications of devices to be calibrated. This structure not only improves the convenience of operation and the accuracy of calibration, but also enhances the stability and durability of the entire system.

[0080] It is understandable that in some embodiments, in order to further optimize the mobility of the auxiliary probe group, a buffer element, such as a spring or a damper, can be added between the piston rod and the probe group to absorb impact and reduce vibration, thereby improving positioning accuracy. In addition, in order to ensure reliability in long-term use, the double-piston rod double-linked cylinder can be made of wear-resistant materials and lubricated regularly to reduce wear. At the same time, considering the various working conditions that may be encountered in actual applications, the drive assembly should also have a certain overload protection function to prevent damage caused by excessive external force. Finally, in order to simplify maintenance work, the design of the drive assembly should be easy to disassemble and inspect to ensure the continuous operation of the equipment.

[0081] In some embodiments, at least one calibration column 120 in the first calibration group a is capable of moving relative to the base 110 along the second direction Y, so that each calibration column 120 in the first calibration group a has at least two relative positions. This design allows the calibration column 120 to adjust its position according to different types of devices to be calibrated, thereby adapting to the calibration requirements of various types of single-phase electricity meters or other similar equipment. Similarly, at least one calibration column 120 in the second calibration group b and the third calibration group c is also capable of moving relative to the base 110 along the second direction Y to provide at least two relative positions for calibrating different types of single-phase electricity meters.

[0082] For the fourth calibration group d and the sixth calibration group f, at least one of the calibration columns 120 can also move relative to the base 110 along the second direction Y, thereby providing at least two relative positions for the two second devices to be tested 300 (such as a three-phase electric energy meter, a special transformer acquisition terminal or a concentrator). Through such a structural setting, the calibration device 100 can flexibly adjust the position of the calibration column 120 to ensure accurate and reliable calibration of devices to be tested of different sizes and specifications.

[0083] Specifically, when different types of first devices to be tested 200 need to be tested, the relative distance between them can be changed by moving the test columns 120 in the first test group a, the second test group b, or the third test group c to match the specific size of the device to be tested. For example, some single-phase electric energy meters may be wider or taller than other models, so a larger spacing is required to accommodate these devices. By adjusting the position of the test column 120, the test device 100 can achieve the best contact point, thereby improving the accuracy of the test results.

[0084] It is understandable that in some embodiments, in order to further improve the flexibility and accuracy of the position adjustment of the calibration column 120, a micro linear drive or servo motor can be installed on each calibration column 120, and closed-loop control can be achieved in combination with sensor technology. In this way, not only can the displacement of each calibration column 120 be accurately controlled, but also its position can be monitored in real time to ensure that the predetermined position can be reached each time the calibration is performed. In addition, considering the diversity in actual operations, the calibration column 120 can also be equipped with a replaceable probe head so that a suitable contact end can be selected according to different types of devices to be calibrated. Finally, in order to simplify maintenance work and extend service life, the calibration column 120 and its drive components should be made of wear-resistant materials and lubricated regularly to reduce friction losses.

[0085] Reference Figures 1 to 3 In some embodiments, the verification device 100 further includes a fixed bracket 111 and a fifth driving assembly 190. The base 110 is movably connected to the fixed bracket 111, and the fifth driving assembly 190 is respectively connected to the fixed bracket 111 and the base 110. The fifth driving assembly 190 is configured to drive the base 110 to move relative to the fixed bracket 111 along the first direction X. This design enables the entire verification device 100 to move as a whole on a horizontal plane, thereby adapting to a wider range of working areas or facilitating switching between different workstations.

[0086] Specifically, when the verification device 100 needs to be moved from one station to another, the fifth drive assembly 190 can be started to push the base 110 to slide along the first direction X. This not only improves the operational flexibility of the verification device 100, but also simplifies the layout adjustment process on the production line. In this way, the verification device 100 can quickly respond to different production needs and improve the overall work efficiency.

[0087] It is understood that, in some embodiments, in order to ensure the stability and reliability of the movement of the base 110, the fixed bracket 111 may include a bottom plate 1111 and a first slider 1112 and a second slider 1113 connected to the bottom plate 1111. The first slider 1112 and the second slider 1113 are arranged at intervals along the second direction Y, and one side of the base 110 is slidably connected to the first slider 1112, and the other side is slidably connected to the second slider 1113. This double slider design ensures that the base 110 will not deflect during movement, while providing sufficient supporting force.

[0088] In addition, the fifth drive assembly 190 can use a high-precision linear actuator or servo motor, and combine it with a position sensor to achieve precise control. For example, a photoelectric encoder or other position detection device can be installed between the base 110 and the fixed bracket 111 to provide real-time feedback of the position information of the base 110 to the control system, and accurate position adjustment can be achieved through the PID control algorithm. This not only improves the stability during the movement process, but also ensures the accuracy of each positioning.

[0089] In addition, considering the wear problem that may occur during long-term use, the surface of the slider and the guide rail can be made of self-lubricating materials to reduce friction and extend the service life. At the same time, in order to deal with emergencies, the fifth drive component 190 should also have an emergency stop function to ensure that the movement can be stopped immediately when an abnormality occurs to ensure the safety of the operator. Finally, in order to simplify maintenance work, the design of the drive component should be easy to disassemble and inspect to ensure the continuous operation of the equipment.

[0090] Reference Figure 3 In some embodiments, the fixed bracket 111 includes a bottom plate 1111 and a first slider 1112 and a second slider 1113 connected to the bottom plate 1111. The first slider 1112 and the second slider 1113 are arranged at intervals along the second direction Y, and one side of the base 110 is slidably connected to the first slider 1112, and the other side is slidably connected to the second slider 1113. This design enables the base 110 to slide smoothly along the first direction X relative to the first slider 1112 and the second slider 1113, thereby realizing the movement of the verification device 100 between different positions.

[0091] Specifically, when the position of the calibration device 100 needs to be adjusted, the fifth drive assembly 190 will start and push the base 110 to move along the first direction X. Since the base 110 is connected to the fixed bracket 111 through sliders on both sides, this ensures that the base 110 remains stable and does not shift during the entire movement process. The design of the slider not only provides the necessary support, but also reduces friction, allowing the base 110 to slide smoothly. Such a structural setting allows the calibration device 100 to be quickly and accurately positioned to different working areas according to actual needs, thereby improving the flexibility and efficiency of operation.

[0092] It is understood that in some embodiments, in order to further improve the accuracy and stability of the movement of the base 110, a precision guide rail or ball screw system can be used between the slider and the base 110. These high-precision components can significantly reduce vibration and deviation during movement, ensuring that each positioning can reach the expected position. In addition, in order to monitor the position of the base 110 in real time and achieve precise control, a position sensor (such as a photoelectric encoder) can be installed on the base 110, and the data can be fed back to the control system. Through a closed-loop control algorithm, such as PID control, the movement of the base 110 can be finely adjusted to achieve the best working state.

[0093] In addition, considering the wear problem in long-term use, the surface of the slider and the guide rail can be made of self-lubricating material or surface treated to reduce the friction coefficient and extend the service life. At the same time, in order to deal with emergencies, the fifth drive component 190 can also integrate an emergency stop function. Once an abnormal situation is detected, the movement of the base 110 can be stopped immediately to ensure safe operation.

[0094] To simplify maintenance, the design of the slider and rail should be easy to disassemble and replace, so that regular inspection and cleaning can be carried out. In addition, to prevent dust and other impurities from entering the rail system, you can consider adding protective covers or sealing strips at key locations to keep the internal components clean and in good working condition.

[0095] Finally, considering the requirements of different application scenarios, the fifth drive assembly 190 can adopt various types of drive sources, such as electric, pneumatic or hydraulic drive, and select the most suitable drive mode according to the specific working environment and performance requirements. This can not only meet the diverse application requirements, but also optimize the performance and reliability of the overall system.

[0096] The following is an explanation of the structure and state switching of the verification device in some embodiments of the present application.

[0097] The following system exemplifies the structure of the calibration device 100 of the present application. The calibration device 100 of the present invention includes a base 110, a calibration column 120, a first drive component 130, a second drive component 140, a third drive component 150, a first auxiliary probe group 160, a second auxiliary probe group 170, a fourth drive component 180 and a fifth drive component 190.

[0098] Specifically, the base 110 includes a fixed bracket 111, a bottom plate 1111, a first slider 1112 and a second slider 1113. The base 110 serves as a supporting structure of the entire calibration device 100, and the fixed bracket 111 is connected to the ground or other infrastructure through the bottom plate 1111. The first slider 1112 and the second slider 1113 are spaced apart along the second direction Y, and are used for sliding connection with the calibration column 120 or other components to achieve relative movement.

[0099] The calibration column 120 includes a detection end 121, a drive end 122, a voltage column 123 and a current column 124. The detection end 121 is used to connect to the device to be calibrated (such as an electric energy meter) to detect electric energy parameters. The drive end 122 is connected to the drive component to realize the movement or change of the calibration column 120 on the base 110. The voltage column 123 is used to provide or detect a voltage signal. The current column 124 is used to provide or detect a current signal.

[0100] The first driving assembly 130 includes a first driving cylinder 131, a driving plate 132, and a second driving cylinder 133. The driving plate 132 includes a driving hole 1321, a first hole section 13211, and a second hole section 13212. The first driving cylinder 131 is used to drive the driving plate 132 to move along the first direction X. The driving plate 132 is connected to the driving end 122 of the verification column 120 through the driving hole 1321 to achieve the movement of the verification column 120 along the second direction Y. The second driving cylinder 133 further pushes the driving plate 132 on the basis of the first driving cylinder 131 to achieve precise movement or change of arrangement of the verification column 120. The driving hole 1321 includes a first hole section 13211 and a second hole section 13212, and the inclination angles of the two are different, which is used to achieve a smooth transition of the verification column 120 between different positions.

[0101] The second driving assembly 140 generally includes a driving source (such as a cylinder, a motor, etc.) and a transmission mechanism (such as a lead screw, a gear, etc.), and is used to drive the voltage column 123 to move along the first direction X relative to the base 110 to a first calibration position or a first non-calibration position.

[0102] The third driving assembly 150 generally includes a driving source and a transmission mechanism, and is used to drive at least part of the current column 124 to move along the first direction X relative to the base 110 to a second testing position or a second non-testing position.

[0103] The first auxiliary probe group 160 includes a plurality of first probes 161 arranged along the second direction Y, and is used to perform auxiliary verification on three first devices to be verified 200 (such as single-phase electric energy meters) in a first verification state.

[0104] The second auxiliary probe group 170 includes a plurality of second probes 171 arranged along the second direction Y, and is used to perform auxiliary verification on two second devices to be verified 300 (such as three-phase electric energy meters) in the second verification state.

[0105] The fourth driving assembly 180 includes a first double-piston rod double-linked cylinder 181 and a second double-piston rod double-linked cylinder 182. The first double-piston rod double-linked cylinder 181 includes a first piston rod 1811 and a second piston rod 1812, and the second double-piston rod double-linked cylinder 182 includes a third piston rod 1821 and a fourth piston rod 1822. The first double-piston rod double-linked cylinder 181 pushes the first auxiliary probe group 160 and the second auxiliary probe group 170 along the third direction Z to different calibration positions or non-calibration positions through the first piston rod 1811 and the second piston rod 1812 (movement directions are opposite). The second double-piston rod double-linked cylinder 182: The above functions are also realized through the third piston rod 1821 and the fourth piston rod 1822 (movement directions are opposite).

[0106] The fifth driving assembly 190 generally includes a driving source and a transmission mechanism, and is used to connect the fixed bracket 111 and the base 110. The fifth driving assembly 190 is used to drive the base 110 to move along the first direction X relative to the fixed bracket 111 to achieve the conversion of the entire verification device 100 between different working states.

[0107] In summary, the calibration device 100 of the present invention integrates the first calibration group a, the second calibration group b, the third calibration group c, the fourth calibration group d, the fifth calibration group e, and the sixth calibration group f. Through the host computer software instructions, the RS485 communication mode control realizes the intelligent switching, intelligent avoidance, and time-sharing calibration of the first device to be tested 200 and the second device to be tested 300. The implementation method is pneumatic or electric. The following description takes the pneumatic method as an example to systematically explain the calibration device 100 of the present invention.

[0108] 1. The calibration device 100 is provided with three groups of calibration columns 120, which correspond to the connection positions of three single-phase electric energy meters (the first calibration group a, the second calibration group b, and the third calibration group c). Each group of calibration columns 120 is arranged along the second direction Y, and the center distance is fixed. The calibration columns 120 at both ends of the first calibration group a and the third calibration group c are used as the primary positioning reference to determine the connection positions of the three single-phase electric energy meters. On this basis, according to the size of the terminal and auxiliary terminal of the three-phase electric energy meter, the connection positions of the two three-phase electric energy meters (the fourth calibration group d and the sixth calibration group f) are secondary positioned. Specifically, a total of three single-phase electric energy meters (first devices to be calibrated 200) are set up at the meter connection positions A, B, and C. These three meter connection positions correspond to the first calibration group a, the second calibration group b, and the third calibration group c, respectively. Each calibration group is provided with four calibration columns 120, and the calibration columns 120 corresponding to the meter connection positions A, B, and C are: A1, A2, A3, A4; B1, B2, B3, B4; C1, C2, C3, C4. The center distances between the meter connection positions of the three single-phase electric energy meters A, B, and C are all between 128mm and 134mm, for example, 128mm, 129mm, 130mm, 131mm, 132mm, 133mm, and 134mm, and the optimal value is 131mm. The A1 calibration column 120 and the C4 calibration column 120 are used as the primary positioning reference to position the three first devices to be calibrated 200. Based on the primary positioning reference, the auxiliary terminal of the three-phase electric energy meter (the second device to be tested 300) and the size limit of the test column 120 are used as the secondary positioning reference to locate the D and E connection positions of the three-phase electric energy meter (the second device to be tested 300), and set the connection positions of the two three-phase electric energy meters. When the two three-phase electric energy meters are three-phase mutual inductance access type, refer to Fig.13 , from left to right, the connection positions of the two three-phase electric energy meters correspond to calibration column D1, calibration column D2, calibration column D3, calibration column D4, calibration column D5, calibration column D6, calibration column D7, calibration column D8, calibration column D9, calibration column D10, calibration column E1, calibration column E2, calibration column E3, calibration column E4, calibration column E5, calibration column E6, calibration column E7, calibration column E8, calibration column E9, calibration column E10; when the two three-phase electric energy meters are three-phase direct access electric energy meters, refer to Fig.15 The connection positions of the two three-phase electric energy meters correspond to calibration column D11, calibration column D12, calibration column D13, calibration column D14, calibration column D15, calibration column D16, calibration column D17, calibration column E11, calibration column E12, calibration column E13, calibration column E14, calibration column E15, calibration column E16, calibration column E17 respectively.

[0109] Reference Fig.12, the following will further explain the compatibility of the above content with the present application scheme for single-phase electric energy meters, three-phase electric energy meters connected via transformers, and three-phase electric energy meters connected via transformers. Specifically, for example, the calibration column D1 (D11, A1) can be connected to the terminal D1 when calibrating the three-phase electric energy meter connected via transformers, can be connected to the terminal D11 when calibrating the three-phase direct-access electric energy meter, and can be connected to the terminal A1 when calibrating the single-phase electric energy meter; the calibration column D3 (D12, A2) can be connected to the terminal D3 when calibrating the three-phase electric energy meter connected via transformers, can be connected to the terminal D12 when calibrating the three-phase direct-access electric energy meter, and can be connected to the terminal A2 when calibrating the single-phase electric energy meter; the calibration column D4 (D13, A3) can be connected to the terminal D4 when calibrating the three-phase electric energy meter connected via transformers, and can be connected to the terminal A1 when calibrating the three-phase direct-access electric energy meter. When calibrating a three-phase electric energy meter, it can be connected to terminal D13, and when calibrating a single-phase electric energy meter, it can be connected to terminal A3; when calibrating a three-phase electric energy meter connected via a transformer, it can be connected to terminal D6, and when calibrating a three-phase electric energy meter directly connected, it can be connected to terminal D14, and when calibrating a single-phase electric energy meter, it can be connected to terminal A4; when calibrating a three-phase electric energy meter connected via a transformer, it can be connected to terminal D7, and when calibrating a three-phase electric energy meter directly connected, it can be connected to terminal D15; when calibrating a three-phase electric energy meter connected via a transformer, it can be connected to terminal D9, and when calibrating a three-phase electric energy meter directly connected, it can be connected to terminal A4. When calibrating a three-phase direct-access watt-hour meter, it can be connected to terminal D16; when calibrating a three-phase direct-access watt-hour meter, the calibration terminal D17 (B1) can be connected to terminal D17, and when calibrating a single-phase watt-hour meter, it can be connected to terminal B1; when calibrating a three-phase transformer-access watt-hour meter, the calibration terminal E1 (E11, B4) can be connected to terminal E1, and when calibrating a three-phase direct-access watt-hour meter, it can be connected to terminal E11, and when calibrating a single-phase watt-hour meter, it can be connected to terminal B4; when calibrating a three-phase transformer-access watt-hour meter, the calibration terminal E3 (E12) can be connected to terminal E3, and when calibrating a three-phase direct-access watt-hour meter, it can be connected to terminal E12; when calibrating a three-phase transformer-access watt-hour meter, the calibration terminal E4 (E13) can be connected to terminal E4 when calibrating a three-phase transformer-connected watt-hour meter, and can be connected to terminal E13 when calibrating a three-phase direct-connected watt-hour meter; calibration terminal E6 (E14, C1) can be connected to terminal E6 when calibrating a three-phase transformer-connected watt-hour meter, can be connected to terminal E14 when calibrating a three-phase direct-connected watt-hour meter, and can be connected to terminal C1 when calibrating a single-phase watt-hour meter; calibration terminal E7 (E15, C2) can be connected to terminal E7 when calibrating a three-phase transformer-connected watt-hour meter, can be connected to terminal E15 when calibrating a three-phase direct-connected watt-hour meter, and can be connected to terminal C2 when calibrating a single-phase watt-hour meter;The calibration column E9 (E16, C3) can be connected to the terminal E9 when calibrating the three-phase transformer-connected energy meter, can be connected to the terminal E16 when calibrating the three-phase direct-connected energy meter, and can be connected to the terminal C3 when calibrating the single-phase energy meter; the calibration column E17 (C4) can be connected to the terminal E17 when calibrating the three-phase direct-connected energy meter, and can be connected to the terminal C4 when calibrating the single-phase energy meter. Thus, the present application is compatible with single-phase energy meters, three-phase transformer-connected energy meters, and three-phase transformer-connected energy meters. Among them, B1 and B4 are configured to be movable so as to form a group with other calibration columns 120 to calibrate different equipment. ;

[0110] 2. According to the difference in terminal spacing between single-phase electric energy meters, three-phase electric energy meters connected via transformers, and three-phase electric energy meters directly connected, the spacing dimensions between the calibration columns 120 are set to ensure that different types of electric energy meters can be correctly connected. Below, the connection positions of the electric energy meters are sorted in the order of 1, 2, 3, and 4 for ease of description. Specifically, according to the terminal spacing deviation values ​​of the single-phase electric energy meter (the first device to be tested 200), the three-phase electric energy meter connected via transformers (the second device to be tested 300), and the three-phase electric energy meter directly connected (the second device to be tested 300), the spacing dimensions of the calibration columns 120 corresponding to the connection positions are set: the spacing of the calibration columns 120 corresponding to the connection positions 1-4 of each single-phase electric energy meter is between 17mm and 23mm, for example, 17mm, 18mm, 19mm, 20mm, 21mm, 23mm, 24mm, 25mm, 26mm, 27mm, 28mm, 29mm, 30mm, 31mm, 32mm, 33mm, 34mm, 36mm, 37mm, 38mm, 39mm, 40mm, 41mm, 42mm, 43mm, 44mm, 45mm, 46mm, 47mm, 48mm, 49mm, 50mm, 51mm, 52mm, 53mm, 54mm, 55mm, 56mm, 57mm, 58mm, 59mm, 60mm, 61mm, 62mm, 63mm, 64mm, 65mm, 66mm, 67mm, 68mm, 69mm, 70mm, 71mm, 72mm, 73mm, 0mm, 21mm, 22mm, 23mm, the optimal value is 20mm (the difference of 0.5mm from the distance between the two terminals of the electric energy meter is 21mm, which does not affect the connection); the distance between the calibration columns 120 of the three-phase transformer-connected electric energy meter connection positions 1 and 3, 4 and 6, 7 and 9 is 20mm; the distance between the calibration columns 120 of the direct-connected connection positions 11-12, 13-14, 15-16 is between 17mm and 23mm, such as 17mm, 18mm, 19mm, 20mm, 21mm, 22mm, 23mm, and the optimal value is 20mm; 3. The grouping and configuration of the calibration posts 120 are based on the terminal layout of the three-phase electric energy meter. Each group of calibration posts 120 corresponds to a specific terminal combination to meet the calibration requirements of different types of electric energy meters. At the same time, movable positioning blocks (realized by the reconfiguration of the calibration posts 120), such as B1 and B4, are set between the calibration positions of the single-phase electric energy meter. These positioning blocks can be intelligently avoided when calibrating the three-phase electric energy meter without affecting the calibration process. Specifically, Fig.12As shown, the three-phase transformer-connected watt-hour meter terminals are grouped as follows: D1-D3 is group 1, D4-D6 is group 2, D7-D9 is group 3, D10 plus three-phase direct-connected watt-hour meter terminal D17 is group 4, E1-E3 is group 5, E4-E6 is group 6, E7-E9 is group 7, E10 plus three-phase direct-connected watt-hour meter terminal E17 is group 8, and positioning blocks B2 and B3 are group 9.

[0111] 4. In the calibration position of the single-phase electric energy meter (the second calibration group b), movable positioning columns (realized by the movement of the calibration column 120) are set. These positioning columns can intelligently avoid when calibrating the three-phase electric energy meter and keep their positions unchanged through the support structure fixedly installed on the base 110. Fig.12 , for example, B1 and B4 are configured to be movable. The setting of the positioning column realizes the intelligent switching and variable pitch adjustment between the calibration columns 120 to adapt to the calibration requirements of electric energy meters of different sizes. The left and right variable pitch dimensions are less than a specific value (such as 22mm), and the front and rear movement dimensions are also less than another specific value (such as 35mm) to meet the calibration requirements of different electric energy meters. Specifically, there are positioning blocks (limit blocks) and terminal posts in the single-phase electric energy meter connection position setting (the middle blank position of the two three-phase electric energy meter connection positions), for example Fig.12 For B1 and B4 in the figure, the height of the positioning block is set to 32.6mm (up and down range 5mm), and the length is set to 47.5mm (left and right range 5mm). The positioning block is provided with a terminal and a through hole to facilitate the installation and intelligent avoidance. The positioning block is fixedly installed on the support plate of the meter socket. When the through hole is avoided, the positioning block remains unchanged. The setting of the positioning block realizes the intelligent switching of the variable pitch plate: the left and right variable pitch size is less than 30mm, which is 22mm in this application; the front and rear movement size is less than 40mm, which is 35mm in total for the first and second variable pitch front and rear movements in this application; 5. According to the design of the verification device 100, specifically, Fig.12 and Fig. 20 As shown in the figure, based on the terminal set by the deviation value, the three-phase direct access type energy meter connection position: D11-D17 corresponds to the three-phase transformer access type energy meter D1-D10; the three-phase direct access type energy meter connection position: E11-E17 corresponds to the three-phase transformer access type energy meter E1-E10. In this way, the connection terminal of the three-phase transformer access type energy meter and the connection terminal of the three-phase direct access type energy meter are reused to achieve compatible time-sharing verification requirements.

[0112] 6. For the calibration position setting of single-phase electric energy meter, the previous article has passed Fig.12 The functions of each inspection column 120 are given as examples and will not be described in detail here.

[0113] 7. The initial state of the auxiliary probe assembly of the calibration device 100 is set to the three-phase smart meter calibration state, that is, the second auxiliary probe group 170 is in the front position, and the first auxiliary probe group 160 is in the rear position (active avoidance state). Specifically, the initial position of the meter socket auxiliary probe assembly is the three-phase smart meter connected to the meter socket state (the front position of the three-phase auxiliary probe assembly and the rear position of the single-phase auxiliary probe assembly), and the single-phase auxiliary probe assembly is in the active avoidance state.

[0114] 8. In the initial state, when the three-phase IoT meter is calibrated, the control board and the solenoid valve drive the corresponding drive components (such as the first drive component 130) through the host computer instructions and RS485 communication, so that the first auxiliary probe group 160 maintains an active avoidance state, and the second auxiliary probe group 170 retreats to the rear position through the reaction force when docking for passive avoidance. After the calibration is completed, the initial state is restored. Specifically, Fig.10 As shown, in the initial state, when the three-phase IoT meter is calibrated, the host computer command is used to communicate via RS485, and the control board and solenoid valve drive the double-piston non-linked cylinder (alternating action cylinder) to perform the deflation action (no resistance state). The single-phase auxiliary probe assembly is initially in an active avoidance state, and the three-phase auxiliary probe assembly retreats to the rear end position for passive avoidance through the reaction force of the three-phase IoT meter connection when connected. After the calibration is completed, the initial position state is restored.

[0115] 9. In the initial state, when the single-phase smart energy meter is calibrated, RS485 communication is adopted through the host computer instruction, and the control board and the solenoid valve drive the corresponding drive components to switch, so that the first auxiliary probe group 160 extends to the front position, and the second auxiliary probe group 170 retreats to the rear position for active avoidance. After the calibration is completed, the initial state is restored. Specifically, in the initial state, when the single-phase smart energy meter is calibrated, RS485 communication is adopted through the host computer instruction, and the control board and the solenoid valve drive the double-piston non-linked cylinder (alternating action cylinder) to perform switching, and the single-phase auxiliary probe assembly extends (front position) and the three-phase auxiliary probe assembly retreats (rear position) in an active avoidance state. After the calibration is completed, the initial position state is restored.

[0116] 10. In the initial state, when the single-phase IoT meter is calibrated, the control board and the solenoid valve drive the corresponding drive components to switch to the single-phase smart meter calibration state through the host computer instruction and RS485 communication, and then perform the deflation action to keep the second auxiliary probe group 170 in the active avoidance state. When docking, the first auxiliary probe group 160 retreats to the rear end position through the reaction force for passive avoidance. After the calibration is completed, the initial state is restored. Specifically, in the initial state, when calibrating the single-phase IoT meter, the host computer instructions are used to communicate via RS485, and the control board and solenoid valve drive the double-piston non-linked cylinder (alternating action cylinder) to switch to the single-phase smart meter state, the single-phase auxiliary probe assembly extends (front end position), the three-phase auxiliary probe assembly retreats (rear end position), and then the double-piston non-linked cylinder deflation action is executed (no resistance state), the rear end position of the three-phase auxiliary probe assembly is in an active avoidance state, and the single-phase auxiliary probe assembly retreats to the rear end position for passive avoidance through the reaction force of the single-phase IoT meter connection when connected. After the calibration is completed, the initial position is restored.

[0117] 11. In the default state of the calibration device 100, all calibration columns 120 and auxiliary probe groups are in the initial position. After receiving the control command, the device 100 automatically switches to multiple modes such as calibrating single-phase devices to be calibrated, calibrating three-phase devices to be calibrated (including transformer access or direct access), etc. The operation is as follows: (1) Three-phase transformer-connected device to be tested: In the initial state, upon receiving the control instruction (local manual control is supported) of the "three-phase transformer-connected device to be tested" test task, the test device 100 automatically controls part of the test column 120 to move, so that the fourth test group d and the sixth test group f are formed. Fig.12 and Fig.13 The corresponding calibration column 120 (such as D17, E17, etc.) shown in the figure avoids to the non-calibration position, the three-phase auxiliary probe assembly (second auxiliary probe group 170) is in the initial position (front end position), and the single-phase auxiliary probe assembly (first auxiliary probe group 160) moves to the non-calibration position to avoid, so as to realize the calibration column 120 of the 2-position three-phase transformer-connected device to be calibrated and the calibration device 100 of the auxiliary probe calibration requirements to adjust autonomously, and cooperate with the docking cylinder (drive component) to complete the docking and system calibration. After completing the calibration and exiting the docking, the calibration device 100 returns to the initial position.

[0118] (2) Three-phase direct access device to be tested: In the initial state, upon receiving the control instruction (supporting local manual control) "three-phase direct access device to be tested" test task, the test device 100 automatically controls the variable pitch component (such as through the first drive component 130, etc.) to adjust the relative position of the test column 120 to the middle position, and controls part of the test column 120 to move to the non-test position to avoid, while the three-phase auxiliary probe component (the second auxiliary probe group 170) is in the initial position (front end position), and the single-phase auxiliary probe component (the first auxiliary probe group 160) moves to the non-test position to avoid, so as to realize the autonomous adjustment of the test column 120 and the auxiliary probe test requirements of the two-position three-phase direct access device to be tested, and cooperate with the corresponding drive component action to complete the docking and system test. After completing the test and exiting the docking, the test device 100 returns to the initial position. The adjustment of the variable pitch component can be achieved by controlling the test column 120 to move different distances along the second direction Y by the drive component according to the specific test requirements.

[0119] Specifically, regarding the three-phase direct access smart energy meter, in the initial state, it receives the host computer instruction (supports local manual control) "three-phase direct access smart energy meter" connection task, Fig.13 , Fig.14 as well as Fig.16 The meter socket shown in the figure automatically controls the pitch change component to change the pitch to the middle position and pull the terminal component backward. D2, D5, D8, D10, E2, E5, E8, and E10 actively avoid the rear position. The initial position (front position) of the three-phase auxiliary probe component and the rear position of the single-phase auxiliary probe component actively avoid the meter socket to realize the autonomous deformation of the two-position three-phase direct-access smart energy meter terminal and auxiliary probe verification requirements, and cooperate with the connection cylinder to complete the connection and system verification. After the verification is completed and the connection is exited, the meter socket returns to the initial position.

[0120] Specifically, refer to Fig.12 , grouped by three-phase transformer-connected watt-hour meter terminals: D1-D3 is group 1, D4-D6 is group 2, D7-D9 is group 3, D10 plus three-phase direct-connected watt-hour meter terminal D17 is group 4, E1-E3 is group 5, E4-E6 is group 6, E7-E9 is group 7, and E10 plus three-phase direct-connected watt-hour meter terminal E17 is group 8. Fig.21 and Fig. 22, the first pitch change: the cylindrical sliders of the 1st and 5th groups of modules move right by 2mm under the limit of the 1st and 5th chutes of the pitch change plate (the angle θ between the first pitch change section of the 1st and 5th chutes of the pitch change plate and the horizontal line is ≥78°, and the value is 78.69° in this embodiment), the cylindrical sliders of the 2nd and 6th groups of modules move right by 3.5mm under the limit of the 2nd and 6th chutes of the pitch change plate (the angle θ between the first pitch change section of the 2nd and 6th chutes of the pitch change plate and the horizontal line is ≥70°, and the value is 70.7 in this embodiment). 1°), the 3rd and 7th modular cylindrical sliders move 5mm to the right under the limit of the 3rd and 7th slide grooves of the variable pitch plate (the angle θ between the first pitch change section of the 3rd and 7th slide grooves of the variable pitch plate and the horizontal line is ≤70°, and the value is 63.43° in this embodiment), and the 4th and 8th modular cylindrical sliders move 1mm to the right under the limit of the 4th and 8th slide grooves of the variable pitch plate (the angle between the first pitch change section of the 4th and 8th slide grooves of the variable pitch plate and the horizontal line is greater than or equal to 84°, and the value is 84.29° in this embodiment).

[0121] (3) Three-phase transformer-connected IoT device to be tested: In the initial state, upon receiving the control instruction (local manual control is supported) of the test task of "three-phase transformer-connected IoT device to be tested", the test device 100 automatically controls part of the test column 120 to move to form the fourth test group d and the sixth test group f. At the same time, the auxiliary probe group is in a resistance-free state under the control of the driving component. Fig.13 The corresponding calibration column 120 (such as D17, E17, etc.) is moved to a non-calibration position. Fig. 9 The single-phase auxiliary probe assembly (first auxiliary probe group 160) shown moves to the non-calibration position to avoid, and the three-phase auxiliary probe assembly (second auxiliary probe group 170) (initial position) retreats to the non-calibration position to complete passive avoidance through the reaction force of the device to be verified during docking, so as to realize the autonomous adjustment of the calibration column 120 and the auxiliary probe calibration requirements of the 2-position three-phase mutual inductor-connected IoT device to be verified, and the docking and system calibration are completed in coordination with the corresponding drive assembly action. After completing the calibration and exiting the docking, the calibration device 100 returns to the initial position.

[0122] Specifically, in the initial state, after receiving the host computer command (supporting local manual control) of the "three-phase mutual inductor connected IoT meter" connection task, the meter socket automatically controls the three actions of the rear-pull terminal assembly, and the auxiliary probe moving assembly one and two are synchronously deflated (double-piston non-linked cylinder has no resistance state). Fig.13 As shown, D17 and E17 avoid to the rear position actively, the rear position of the single-phase auxiliary probe assembly actively avoids, and the three-phase auxiliary probe assembly (front position) retreats to the rear position to complete passive avoidance through the reaction force of the IoT meter connection when the connection cylinder is actuated, realizing the autonomous deformation of the connection socket for the 2-position three-phase IoT meter terminal connected via a mutual inductor and the auxiliary probe calibration requirements, and completing the connection and system calibration in coordination with the connection cylinder action. After the calibration is completed and the connection is exited, the connection socket returns to the initial position.

[0123] (4) Three-phase direct access IoT device to be tested: In the initial state, upon receiving the control instruction (local manual control is supported) of the “three-phase direct access IoT device to be tested” test task, the test device 100 automatically controls the variable pitch component to adjust the relative position of the test column 120 to the middle position, and controls part of the test column 120 to move to the non-test position to avoid the test. At the same time, the auxiliary probe group is in a resistance-free state under the control of the drive component. Fig. 9 The single-phase auxiliary probe assembly (first auxiliary probe group 160) shown moves to the non-calibration position to avoid, and the three-phase auxiliary probe group (second auxiliary probe group 170) (initial position) retreats to the non-calibration position to complete passive avoidance through the reaction force of the device to be verified during docking, so as to realize the autonomous adjustment of the calibration column 120 and the auxiliary probe calibration requirements of the 2-position three-phase direct access IoT device to be verified, and the docking and system calibration are completed in coordination with the corresponding drive component action. After completing the calibration and exiting the docking, the calibration device 100 returns to the initial position.

[0124] Specifically, in the initial state, after receiving the host computer command (supporting local manual control) "three-phase direct access IoT meter" connection task, the meter socket automatically controls the pitch change component to perform a pitch change to the middle position, pulls the terminal component back, and the auxiliary probe moving components one and two are synchronously deflated (double piston non-linked cylinder has no resistance), D2, D5, D8, D10, E2, E5, E8, E10 actively avoid to the rear position, the single-phase auxiliary probe component actively avoids the rear position, and the three-phase auxiliary probe component (front position) retreats to the rear position through the IoT meter connection reaction force when the connection cylinder moves to complete passive avoidance, so as to realize the autonomous deformation of the meter socket for the verification requirements of the 2-position three-phase direct access IoT meter terminal and auxiliary probe, and complete the connection and system verification in cooperation with the connection cylinder. After the verification is completed and the connection is exited, the meter socket returns to the initial position.

[0125] (5) Single-phase device to be tested: In the initial state, upon receiving the control command (local manual control is supported) of the "single-phase device to be tested" test task, the test device 100 automatically controls the variable pitch component to adjust the relative position of the test column 120 to the middle position, and further adjusts it to the farthest position, while controlling part of the test column 120 to move to the non-test position to avoid the test. Figure 8The three-phase auxiliary probe assembly (second auxiliary probe group 170) shown is moved to the non-calibration position to avoid, and the single-phase auxiliary probe group is in the initial position, so as to realize the autonomous adjustment of the calibration column 120 of the 3-position single-phase device to be calibrated and the calibration device 100 of the auxiliary probe calibration requirements, and cooperate with the corresponding drive component action to complete the docking and system calibration. After completing the calibration and exiting the docking, the calibration device 100 returns to the initial position. The further adjustment can be achieved according to the specific calibration requirements by controlling the calibration column 120 to continue to move along the second direction Y by the drive component.

[0126] Specifically, in the initial state, upon receiving the host computer instruction (local manual control is supported) for the "single-phase smart energy meter" connection task, the meter socket automatically controls the distance changing component to perform a distance change to the middle position toward the front end, and then non-continuously performs a second distance change to the farthest end toward the front end, and then pulls the terminal assembly back for one or two actions, D2, D5, D8, D10, E2, E5, E8, and E10 actively avoid to the rear end position, D7, E3, and E4 actively avoid to the rear end position, the three-phase auxiliary probe assembly actively avoids to the rear end position, and the single-phase auxiliary probe assembly actively avoids to the front end position, so as to realize the autonomous deformation of the meter socket to meet the calibration requirements of the 3-position single-phase smart energy meter terminal and auxiliary probe, and complete the connection and system calibration in conjunction with the connection cylinder action. After the calibration is completed and the connection is exited, the meter socket returns to its initial position. Fig.12 As shown, the three-phase transformer-connected watt-hour meter terminals are grouped as follows: D1-D3 is group 1, D4-D6 is group 2, D7-D9 is group 3, D10 plus three-phase direct-connected watt-hour meter terminal D17 is group 4, E1-E3 is group 5, E4-E6 is group 6, E7-E9 is group 7, E10 plus three-phase direct-connected watt-hour meter terminal E17 is group 8, combined Fig.21 and Fig. 22, the second pitch change: 1 group of module cylindrical sliders move 2mm to the left under the limit of the first slot of the pitch change plate (the angle θ between the second pitch change section of the first slot of the pitch change plate and the horizontal line is ≥85°, and the value is 85.43° in this embodiment), 2 groups of module cylindrical sliders move 4.5mm to the right under the limit of the second slot of the pitch change plate (the angle θ between the second slot of the pitch change plate and the horizontal line is ≥78°, and the value is 78.98° in this embodiment), 3 groups of module cylindrical sliders move 3mm to the right under the limit of the third slot of the pitch change plate (the angle θ between the second pitch change section of the third slot of the pitch change plate and the horizontal line is ≥83°, and the value is 83.16° in this embodiment), 4 groups of module cylindrical sliders move 21mm to the right under the limit of the fourth slot of the pitch change plate (the angle θ between the second pitch change section of the fourth slot of the pitch change plate and the horizontal line is ≥49°, and the value is 49. 97°), 5 groups of modular cylindrical sliders move 9mm to the left under the limitation of the 5th slide slot of the pitch variable plate (the angle θ between the secondary pitch variation section of the 5th slide slot of the pitch variable plate and the horizontal line is ≥71°, and the value is 71.22° in this embodiment), 6 groups of modular cylindrical sliders move 3mm to the right under the limitation of the 6th slide slot of the pitch variable plate (the angle θ between the secondary pitch variation section of the 6th slide slot of the pitch variable plate and the horizontal line is ≥83°, and the value is 83.16° in this embodiment), 7 groups of modular cylindrical sliders move 9mm to the right under the limitation of the 7th slide slot of the pitch variable plate (the angle between the secondary pitch variation section of the 7th slide slot of the pitch variable plate and the horizontal line is θ≥70°, and the value is 70.2° in this embodiment), 8 groups of modular cylindrical sliders move 13.5mm to the right under the limitation of the 8th slide slot of the pitch variable plate (the angle θ between the secondary pitch variation section of the 8th slide slot of the pitch variable plate and the horizontal line is ≥61°, and the value is 61.63° in this embodiment).

[0127] (6) Single-phase IoT device to be tested: In the initial state, upon receiving the control command (local manual control is supported) "single-phase IoT device to be tested" test task, the test device 100 automatically controls the variable pitch component to adjust the relative position of the test column 120 to the middle position, and further adjusts it to the farthest position. At the same time, the auxiliary probe group is in a resistance-free state under the control of the drive component, and controls part of the test column 120 to move to the non-test position to avoid, the three-phase auxiliary probe group moves to the non-test position to avoid, and the single-phase auxiliary probe group (initial position) retreats to the non-test position to complete passive avoidance through the reaction force of the device to be tested during docking, realizing the autonomous adjustment of the test column 120 and auxiliary probe test requirements of the three-position single-phase IoT device to be tested, and cooperates with the corresponding drive component action to complete the docking and system test. After completing the test and exiting the docking, the test device 100 returns to its initial position.

[0128] Specifically, in the initial state, after receiving the host computer command (supporting local manual control) "single-phase IoT meter" connection task, the meter socket automatically controls the variable pitch component to perform a variable pitch to the middle position, and then non-continuously performs a second variable pitch to the farthest end, and then pulls the terminal component one and two to act, and the auxiliary probe moving component one and two are synchronously deflated (double piston non-linked cylinder has no resistance state), D2, D5, D8, D10, E2, E5, E8, E10 actively avoid to the rear position, D7, E3, E4 actively avoid to the rear position, the three-phase auxiliary probe component actively avoids to the rear position, and the single-phase auxiliary probe component (front position) retreats to the rear position through the IoT meter connection reaction force when the connection cylinder moves to complete passive avoidance, so as to realize the autonomous deformation of the meter socket for the verification requirements of the 3-meter single-phase smart electric energy meter terminal and auxiliary probe, and complete the connection and system verification in cooperation with the connection cylinder. After the verification is completed and the connection is exited, the meter socket returns to the initial position.

[0129] It should be noted that if there are directional indications (such as up, down, left, right, front, back, etc.) involved in the embodiments of the present invention, the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly. When a directional reference is introduced in a specific embodiment, if the direction is not specifically limited to single-phase, the direction can be single-phase or bidirectional (two parallel and opposite directions). Whether it is single-phase or bidirectional is based on the ability of ordinary technicians in this field to implement. When the directional reference is bidirectional, it should be considered that two different parallel embodiments are introduced at the same time.

[0130] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if "and / or", "and / or" or "and / or" appears in the full text, its meaning includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme that satisfies both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in the field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0131] The above are only preferred embodiments of the present invention, and are not intended to limit the patent scope of the present invention. All equivalent structural changes made using the contents of the present invention's specification and drawings, or directly / indirectly applied in other related technical fields, are included in the patent protection scope of the present invention.

Claims

1. A calibration device, characterized in that: The verification device has a first verification state for verifying a first device to be verified, and a second verification state for verifying a second device to be verified, and the verification device includes: Pedestal; A plurality of calibration columns are respectively connected to the base, each of the calibration columns extends along a first direction, and each of the calibration columns is arranged along a second direction intersecting the first direction; in the first calibration state, each of the calibration columns at least jointly forms a first calibration group, a second calibration group and a third calibration group arranged along the second direction, and the first calibration group, the second calibration group and the third calibration group are used to correspond to the calibration of the three first devices to be tested; in the second calibration state, each of the calibration columns at least jointly forms a fourth calibration group, a fifth calibration group and a sixth calibration group arranged in sequence along the second direction, and the fourth calibration group and the sixth calibration group are used to correspond to the calibration of the two second devices to be tested; Wherein, at least one of the calibration columns in the second calibration group moves toward the first calibration group to form the fourth calibration group together with the first calibration group; and / or, at least one of the calibration columns in the second calibration group moves toward the third calibration group to form the sixth calibration group together with the third calibration group.

2. The testing device according to claim 1, characterized in that: The first verification group, the second verification group and the third verification group are all configured to be suitable for verifying a single-phase electric energy meter; and / or, The fourth calibration group and the sixth calibration group are both configured to be suitable for calibrating three-phase electric energy meters; or, the fourth calibration group and the sixth calibration group are both configured to be suitable for calibrating special transformer collection terminals; or, the fourth calibration group and the sixth calibration group are both configured to be suitable for calibrating concentrators.

3. The testing device according to claim 1, characterized in that: The verification device further includes a first drive assembly, wherein the first drive assembly is connected to the base; The first driving component is configured to drive at least one of the calibration columns in the second calibration group so that the driven calibration column moves relative to the base along the second direction to form the fourth calibration group together with the first calibration group; and / or, the first driving component is configured to drive at least one of the calibration columns in the second calibration group so that the driven calibration column moves relative to the base along the second direction to form the sixth calibration group together with the third calibration group.

4. The testing device according to claim 3, characterized in that: The first drive component is configured to drive at least one of the test columns in the second test group close to the first test group; and / or, the first drive component is configured to drive at least one of the test columns in the second test group close to the third test group.

5. The testing device according to claim 3, characterized in that: The first driving assembly includes a first driving cylinder and a driving plate, the first driving cylinder is connected to the base, the driving plate is connected to the first driving cylinder, and the first driving cylinder is configured to drive the driving plate to move along the first direction; The driving plate includes a plurality of driving holes, each of which extends obliquely relative to the first direction and is arranged along the second direction. Each of the inspection columns includes a detection end and a driving end, and at least part of the driving ends is provided with a driving protrusion, and each of the driving protrusions extends into each of the driving holes one by one, so that when the driving plate translates along the first direction, the corresponding inspection column is driven to translate along the second direction.

6. The testing device according to claim 5, characterized in that: The driving hole comprises a first hole segment and a second hole segment which are connected to each other, and the first hole segment is located at a side of the second hole segment close to the detection end; The first driving cylinder is configured to drive the driving plate to move from a first position to a second position along the first direction, so that the driving protrusion moves from the end of the first hole segment away from the second hole segment relative to the driving plate to the end close to the second hole segment; The first driving assembly also includes a second driving cylinder connected to the base, and the second driving cylinder is configured to drive the driving plate to move from the second position to a third position along the first direction, so that each driving protrusion moves from the end of the first hole segment close to the second hole segment relative to the driving plate to the end of the second hole segment away from the first hole segment.

7. The testing device according to claim 6, characterized in that: Along the first direction, the first hole segment and the second hole segment have different inclination angles.

8. The testing device according to claim 1, characterized in that: The multiple calibration columns include multiple voltage columns. In the first calibration state, each of the voltage columns is configured to be able to move along the first direction relative to the base to a first non-calibration position. In the second calibration state, each of the voltage columns is configured to be able to move along the first direction relative to the base to a first calibration position so as to calibrate the second device to be calibrated.

9. The testing device according to claim 8, characterized in that: The testing device further comprises a second driving component, which is connected to the base and each of the voltage columns, and is used for driving each of the voltage columns to move relative to the base along the first direction to the first testing position and the first non-testing position.

10. The testing device according to claim 1, characterized in that: The multiple calibration columns include multiple current columns, and the calibration device also includes a third drive component, which is connected to the base and at least part of the current columns. The third drive component is configured to drive at least part of the current columns to move along the first direction relative to the base to a second calibration position and a second non-calibration position.

11. The testing device according to claim 1, characterized in that: The testing device further comprises a first auxiliary probe group and a second auxiliary probe group, wherein the first auxiliary probe group and the second auxiliary probe group are both movably connected to the base, the first auxiliary probe group comprises a plurality of first probes arranged along the second direction, and the second auxiliary probe group comprises a plurality of second probes arranged along the second direction; In the first testing state, the first auxiliary probe set slides relative to the base along the first direction to a third testing position for testing the three first devices to be tested, and the second auxiliary probe set slides relative to the base along the first direction to a third non-testing position; In the second testing state, the second auxiliary probe set slides relative to the base along the first direction to a fourth testing position for testing the two second devices to be tested, and the first auxiliary probe set slides relative to the base along the first direction to a fourth non-testing position.

12. The testing device according to claim 11, characterized in that: The first auxiliary probe group and the second auxiliary probe group are arranged along a third direction, and the third direction intersects the first direction and the second direction respectively; The verification device further includes a fourth drive assembly, the fourth drive assembly includes a first double-piston-rod double-linked cylinder and a second double-piston-rod double-linked cylinder, the first double-piston-rod double-linked cylinder and the second double-piston-rod double-linked cylinder are arranged at intervals along the second direction; The first double-piston-rod double-linked cylinder comprises a first piston rod and a second piston rod arranged along the third direction, the first piston rod is connected to one side of the first auxiliary probe group along the second direction, the second piston rod is connected to one side of the second auxiliary probe group along the second direction, and the movement directions of the first piston rod and the second piston rod are opposite; The second double-piston-rod double-linked cylinder includes a third piston rod and a fourth piston rod arranged along the third direction, the third piston rod is connected to the other side of the first auxiliary probe group along the second direction, and the fourth piston rod is connected to the other side of the second auxiliary probe group along the second direction, and the movement directions of the third piston rod and the fourth piston rod are opposite.

13. The testing device according to claim 1, characterized in that: At least one of the test columns in the first test group is movable relative to the base along the second direction, so that each of the test columns in the first test group has at least two relative positions, so as to test at least two types of the first devices to be tested; and / or, At least one of the test columns in the second test group is movable relative to the base along the second direction, so that each of the test columns in the second test group has at least two relative positions, so as to test at least two types of the first devices to be tested; and / or, At least one of the test columns in the third test group is movable relative to the base along the second direction, so that each of the test columns in the third test group has at least two relative positions, so as to test at least two types of the first devices to be tested; and / or, At least one of the test columns in the fourth test group is movable relative to the base along the second direction, so that each of the test columns in the fourth test group has at least two relative positions, so as to test at least two types of the second devices to be tested; and / or, At least one of the testing columns in the sixth testing group can move relative to the base along the second direction, so that each of the testing columns in the sixth testing group has at least two relative positions to test at least two types of the second devices to be tested.

14. The testing device according to claim 1, characterized in that: The verification device also includes a fixed bracket and a fifth driving component, the base is movably connected to the fixed bracket, the fifth driving component is respectively connected to the fixed bracket and the base, and the fifth driving component is configured to drive the base to move relative to the fixed bracket along the first direction.

15. The testing device according to claim 14, characterized in that: The fixed bracket includes a base plate and a first slider and a second slider connected to the base plate, the first slider and the second slider are arranged at intervals along the second direction, one side of the base along the second direction is slidably connected to the first slider and the other side is slidably connected to the second slider, and the base is configured to slide along the first direction relative to the first slider and the second slider.

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