Module meter support quick-change type compatible electric energy meter calibrating device

Abstract

The invention discloses a module meter support quick-change type compatible electric energy meter calibrating device, when electric energy meters of different types or different sizes need to be detected, an operator can quickly replace corresponding detection meter supports and related structures, the compatibility and adaptability are good, and in the process of replacing the detection meter supports and the related structures, the detection meter supports and the related structures can be replaced conveniently. The method can effectively save the wire changing and wiring steps of the electrical testing equipment end, and is higher in efficiency. The main structure comprises a main frame, an electric measurement end structure and a meter support end structure, the electric measurement end structure comprises an electric measurement end crimping plate, a plurality of crimping module pins and an electric measurement end power element, the electric measurement end crimping plate is provided with a protection plate, the rear ends of the crimping module pins are provided with crimping module rear wiring terminals, and the crimping module rear wiring terminals are provided with crimping module rear wiring terminals. The meter support end structure comprises a meter support end bottom plate, a meter support end adapter plate, an adapter plug module, a detection meter support and a meter support end power element, a plurality of detection needles are arranged on the detection meter support, detection needle wiring terminals are arranged on the detection needles, and electric connection front wiring terminals are arranged at the front end of the electric connection socket.

Description

Technical Field

[0001] The invention belongs to the technical field of electric energy meter calibration lines and electric energy meter detection equipment, and in particular relates to a module meter holder quick-change compatible electric energy meter calibration device. Background Art

[0002] At the inspection station of the electric energy meter calibration line, there will be a detection device for detecting (calibrating) the electric energy meter, which includes a plurality of detection needles for contacting the conductive terminals on the electric energy meter being tested (such as a power detection needle for contacting the power terminal on the electric energy meter, a current detection needle for contacting the current terminal on the electric energy meter, a voltage detection needle for contacting the voltage terminal on the electric energy meter, a signal detection needle for contacting the signal terminal on the electric energy meter, etc.). However, the detection equipment can often only be used for electric energy meters of one type and a certain size, such as a single-phase (electric energy) meter, a three-phase (electric energy) meter, or a terminal (electric energy) meter of a certain size. This is because different types of electric energy meters, or electric energy meters of the same type but different sizes, have different numbers of needles (the number of detection needles) and the positions of the detection needles. Summary of the invention

[0003] The present invention provides a module meter holder quick-change compatible electric energy meter calibration device. When it is necessary to detect electric energy meters of different types or sizes, the operator can replace the corresponding detection meter holder and related structures relatively quickly. The compatibility and adaptability are good. In the process of replacing the detection meter holder and related structures, the line replacement and wiring steps on the electric measuring equipment end can be effectively saved, and the efficiency is high.

[0004] In order to achieve the above object, the present invention adopts the following technical solutions: A module meter holder quick-change compatible electric energy meter calibration device, comprising a main frame, an electric measuring end structure and a meter holder end structure; The electric measuring end structure comprises an electric measuring end crimping plate which can be horizontally moved relative to the main frame, a plurality of crimping module pins arranged on the electric measuring end crimping plate, and an electric measuring end power element for driving the electric measuring end crimping plate to move, a guard plate is arranged on the electric measuring end crimping plate, and a crimping module rear terminal is arranged at the rear end of the crimping module pin; The table support end structure includes a table support end bottom plate detachably connected to the main frame, a table support end adapter plate arranged on the table support end bottom plate, an adapter plug-in module arranged on the table support end adapter plate, a detection table support movable relative to the table support end bottom plate, and a table support end power element for driving the detection table support to move; The detection meter support is provided with a plurality of detection pins for contacting the terminals of the electric energy meter, and the detection pins are provided with detection pin wiring terminals. The adapter plug-in module includes a plurality of electrical connection sockets corresponding one to one with the crimping module pins, and the front end of the electrical connection socket is provided with an electrical connection front wiring terminal for wiring with the detection pin wiring terminals. After the crimping module pins are plugged into the corresponding electrical connection sockets: each detection pin wiring terminal and each electrical connection front wiring terminal are all located below the guard plate.

[0005] Preferably, two side fixing seats are provided on the bottom plate of the table holder end, and the two side fixing seats are located at opposite sides of the crimping detection table holder, and the two side fixing seats are located at opposite sides of any electrical socket.

[0006] Preferably, the adapter and plug-in module adopts an aviation socket.

[0007] Preferably, a part of the front terminals of the electric connection are arranged in sequence along the length direction of the adapter plate at the table support end and together constitute the upper row of terminals, and the remaining front terminals of the electric connection are arranged in sequence along the length direction of the adapter plate at the table support end and together constitute the lower row of terminals, and the upper row of terminals are located above the lower row of terminals.

[0008] As a preferred embodiment, it further comprises a line adjustment mechanism, a clearance opening for avoiding the line adjustment mechanism is provided on the bottom plate of the table support end, and the line adjustment mechanism comprises two fixed guide plates fixed on the main frame, two parallelogram four-bar linkage structures corresponding to the fixed guide plates one by one, and a linkage driving element for driving the parallelogram four-bar linkage structure; In the corresponding fixed guide plate and parallelogram four-bar linkage structure: the parallelogram four-bar linkage structure includes a first upper bar, a second upper bar, a third lower bar and a fourth lower bar, the first upper bar and the second upper bar are hinged through a one-two hinge shaft, the second upper bar and the third lower bar are hinged through a two-three hinge shaft, the third lower bar and the fourth lower bar are hinged through a three-four hinge shaft, the fourth lower bar and the first upper bar are hinged through a one-four hinge shaft, and the one-two hinge shaft, the two-three hinge shaft, the three-four hinge shaft and the one-four hinge shaft are all slidably connected to the fixed guide plate; The sliding directions of the first and second hinge shafts and the third and fourth hinge shafts are all vertical, and the sliding directions of the second and third hinge shafts and the first and fourth hinge shafts are all horizontal. An upper adjusting rod is coaxially connected to each of the first and second hinge shafts, and an elastic rubber tube is sleeved on the upper adjusting rod. A lower adjusting rod is coaxially connected to each of the third and fourth hinge shafts, and an elastic rubber tube is sleeved on the lower adjusting rod.

[0009] Preferably, the fixed guide plate is provided with an upper vertical slide groove, a lower vertical slide groove, a front horizontal slide groove and a rear horizontal slide groove, and a vertical slide groove is provided on the side fixed seat. In the corresponding fixed guide plate and the parallelogram four-bar structure: the one-two hinge shaft slides in cooperation with the upper vertical slide groove, the three-four hinge shaft slides in cooperation with the lower vertical slide groove, the two-three hinge shaft slides in cooperation with the front horizontal slide groove, and the one-four hinge shaft slides in cooperation with the rear horizontal slide groove.

[0010] Preferably, the upper adjusting rod comprises an upper left rod coaxially connected to a one-two hinge shaft, an upper right rod coaxially connected to another one-two hinge shaft, an upper left sleeve slidably connected to the upper left rod and an upper right sleeve slidably connected to the upper right rod, the upper left sleeve is clamped with the upper right sleeve, a left rubber sleeve is provided on the upper left sleeve, a right rubber sleeve is provided on the upper right sleeve, the right rubber sleeve on the upper left sleeve and the right rubber sleeve on the upper right sleeve together constitute an elastic rubber sleeve mounted on the upper adjusting rod; the lower adjusting rod comprises a lower left rod coaxially connected to a three-four hinge shaft, a lower right rod coaxially connected to another three-four hinge shaft, a lower left sleeve slidably connected to the lower left rod and a lower right sleeve slidably connected to the lower right rod, the lower left sleeve is clamped with the lower right sleeve, a left rubber sleeve is provided on the lower left sleeve, a right rubber sleeve is provided on the lower right sleeve, the right rubber sleeve on the lower left sleeve and the right rubber sleeve on the lower right sleeve together constitute an elastic rubber sleeve mounted on the lower adjusting rod.

[0011] Preferably, the connecting rod driving element is two four-link driving cylinders corresponding one to one with the three-fourth hinge shaft, and in the corresponding three-fourth hinge shaft and four-link driving cylinder: the cylinder rod of the four-link driving cylinder is provided with a ring which is sleeved outside the three-fourth hinge shaft, and the three-fourth hinge shaft rotates in cooperation with the ring.

[0012] Preferably, the electric measuring end power element includes an electric measuring end driving cylinder and an electric measuring end floating joint, the cylinder body of the electric measuring end driving cylinder is arranged on the main frame, and the cylinder rod of the electric measuring end driving cylinder is connected to the electric measuring end crimping plate through the electric measuring end floating joint, and the meter support end power element includes a meter support end driving cylinder and a meter support end floating joint, the cylinder body of the meter support end driving cylinder is arranged on the meter support end bottom plate, and the cylinder rod of the meter support end driving cylinder is connected to the detection meter support through the meter support end floating joint.

[0013] Preferably, the main frame is provided with two parallel linear guide rails, the linear guide rails are provided with sliders cooperating with the linear guide rails, the sliding direction of the slider is horizontal, and the slider is fixed to the bottom of the crimping plate of the electrical measuring end.

[0014] The beneficial effects of the present invention are as follows: when it is necessary to detect electric energy meters of different types or sizes, the operator can replace the corresponding detection meter holder and related structures relatively quickly, with good compatibility and adaptability, and in the process of replacing the detection meter holder and related structures, the wire replacement and wiring steps at the electric measuring equipment end can be effectively saved, and the efficiency is relatively high; the meter holder end structure has the ability to adjust the wires, and during the detection and resetting process, the wires can be more inclined to "overall bending" rather than "partial bending", thus ensuring the service life of the wires, and before each detection, it can also automatically detect whether the wiring has a loose connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 is a side view of the present invention; Figure 3 is a top view of the present invention; Figure 4 It is a structural schematic diagram of the upper adjusting rod and the lower adjusting rod of the present invention; Figure 5 It is a structural schematic diagram of the fixed guide plate of the present invention; Figure 6 yes Figure 4 The enlarged view of point A in the middle; Figure 7 It is a structural schematic diagram of the parallelogram four-bar structure of the present invention; Figure 8 It is a partial schematic diagram of the present invention.

[0016] Figure numerals: main frame 1, linear guide 101, slider 102, electrical measuring end crimping plate 2, guard plate 201, crimping module pin 3, crimping module rear terminal 301, table support end bottom plate 4, avoidance opening 4a, side fixing seat 401, table support end adapter plate 5, detection table support 501, detection needle 502, detection needle terminal 503, electrical connection socket 6, electrical connection front terminal 601, fixed guide plate 7, first upper rod 801, second upper rod 802, third lower rod 803, fourth lower rod 804, first and second hinge shafts 805, second and third hinge shafts 8 06, three-four hinge shaft 807, one-four hinge shaft 808, upper adjusting rod 701, upper left rod 701.1, upper right rod 701.2, upper left sleeve 701.3, upper right sleeve 701.4, elastic rubber tube 702, left rubber sleeve 702.1, right rubber sleeve 702.2, lower adjusting rod 703, lower left rod 703.1, lower right rod 703.2, lower left sleeve and 703.3, lower right sleeve 703.4, four-link driving cylinder 704, ring 705, upper vertical slide 8a, lower vertical slide 8b, front horizontal slide 8c, rear horizontal slide 8d. DETAILED DESCRIPTION

[0017] 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 those skilled in the art without creative work are within the scope of protection of the present invention.

[0018] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 As shown, A module meter holder quick-change compatible electric energy meter calibration device, comprising a main frame 1, an electric measurement end structure and a meter holder end structure; The electric measuring end structure comprises an electric measuring end crimping plate 2 which can be horizontally moved relative to the main frame 1, a plurality of crimping module pins 3 arranged on the electric measuring end crimping plate 2, and an electric measuring end power element for driving the electric measuring end crimping plate 2 to move, a protective plate 201 is arranged on the electric measuring end crimping plate 2, and a crimping module rear terminal 301 is arranged at the rear end of the crimping module pins 3; The table support end structure includes a table support end bottom plate 4 detachably connected to the main frame 1, a table support end adapter plate 5 arranged on the table support end bottom plate 4, an adapter plug-in module arranged on the table support end adapter plate 5, a detection table support 501 movable relative to the table support end bottom plate 4, and a table support end power element for driving the detection table support 501 to move; The detection meter support 501 is provided with a plurality of detection pins 502 for contacting the terminals of the electric energy meter, and the detection pins 502 are provided with detection pin wiring terminals 503. The adapter plug-in module includes a plurality of electrical connection sockets 6 corresponding one by one to the crimping module pins 3. The front end of the electrical connection sockets 6 is provided with electrical connection front wiring terminals 601 for wiring with the detection pin wiring terminals 503. After the crimping module pins 3 are plugged into the corresponding electrical connection sockets 6, each detection pin wiring terminal 503 and each electrical connection front wiring terminal 601 are all located below the protective plate 201.

[0019] A screw hole is provided on the front connection terminal 601 of the electric connection, and a screw hole is provided on the detection pin connection terminal 503. The base plate 4 of the table support end and the main frame 1 can be connected by clamping / screws, as long as it is a conventional detachable connection method.

[0020] The crimping module rear terminal 301 at the rear end of the crimping module pin 3 is connected to the electric measuring device end through wires (the electric measuring device end belongs to the prior art and can obtain data measured from the electric energy meter under test and determine whether the electric energy meter under test is qualified).

[0021] The meter support end structure can be replaced according to the different electric energy meters being tested, while other structures, especially the electric measuring end structure, are of unified standardized design. In this way, when testing different electric energy meters, the corresponding meter support end structure can be replaced, and the various structures at the electric measuring end structure do not need to be replaced or rewired. In order to be compatible with the calibration of multiple electric energy meters, the number of crimping module pins 3 will be configured according to the wiring methods of multiple types of meter supports.

[0022] Therefore, when the table support end structure needs to be replaced, it is only necessary to let the power element of the electric measuring end drive the crimping plate 2 of the electric measuring end to move, so that the crimping module pin 3 is separated from the corresponding electrical connection socket 6 (at this time, the protective plate 201 also leaves the upper part of the detection needle 502 terminal and the upper part of the front terminal), and then the operator can remove the current table support end structure and replace it with a new table support end structure (each detection needle terminal 503 is connected to the corresponding electrical connection front terminal 601 with an electric wire). Subsequently, the power element of the electric measuring end drives the crimping plate 2 of the electric measuring end to move, so that the crimping module pin 3 is reconnected with the corresponding electrical connection socket 6, and at the same time, the protective plate 201 blocks each detection needle terminal 503 and each electrical connection front terminal 601 from above again (that is, it blocks the wires between the detection needle terminal 503 and the electrical connection front terminal 601). This also means that when the crimping module pin 3 is not separated from the electrical socket 6, the operator cannot operate the wiring (wires) between the detection pin terminal 503 and the electrical front terminal 601, thereby ensuring the operator's safety.

[0023] When the detection action is specifically performed, the power element at the meter support end drives the detection meter support 501 to move, and the detection meter support 501 and the detection needles 502 thereon contact the corresponding conductive terminals on the electric energy meter to be tested. During this process, the wires connected between the detection needle terminal 503 and the front connection terminal 601 will be pulled and spread out a little (the distance between the detection needle terminal 503 and the front connection terminal 601 becomes farther), and the electric energy meter can be calibrated through the electric measuring equipment. When the power element at the meter support end drives the detection meter support 501 to move and reset, the wires connected between the detection needle terminal 503 and the front connection terminal 601 will be partially bent or bent as a whole (the distance between the detection needle terminal 503 and the front connection terminal 601 becomes closer). Note: Bending (bending) of wires is also a common phenomenon on various detection equipment. Considering that the detection equipment works frequently, the wires should be checked regularly. If it is found that the wires are close to failure due to excessive bending, the wires should be replaced as soon as possible.

[0024] It should be noted that the connection method between the detection pin terminal 503 and the front connection terminal 601 can be a method in which the wire is directly wound around the connection terminal, or a method in which one end of the wire is pressed onto the connection terminal by a wire pressing screw, both of which belong to the prior art. As mentioned above, there is a screw hole on the front connection terminal 601, and there is a screw hole on the detection pin terminal 503. Then, one end of the wire can be directly pressed onto the connection terminal by using a wire pressing screw.

[0025] The bottom plate 4 of the table holder end is provided with two side fixing seats 401 , and the two side fixing seats 401 are respectively located at two opposite sides of the crimping detection table holder 501 , and the two side fixing seats 401 are respectively located at two opposite sides of any electrical connection socket 6 .

[0026] The side fixing seat 401 can shield the detection pin terminal 503, the front connection terminal 601, and the connection between the detection pin terminal 503 and the front connection terminal 601 on both sides, thereby playing a further protective role.

[0027] The transfer and plug-in module adopts an aviation socket.

[0028] A portion of the front terminals 601 are arranged in sequence along the length direction of the adapter plate 5 at the table support end and together constitute the upper row of terminals, and the remaining front terminals 601 are arranged in sequence along the length direction of the adapter plate 5 at the table support end and together constitute the lower row of terminals, and the upper row of terminals is located above the lower row of terminals.

[0029] The length direction of the adapter plate 5 at the meter support end is horizontal and perpendicular to the moving direction of the electric measuring end crimping plate 2. The moving direction of the electric measuring end crimping plate 2 is parallel to the moving direction of the test meter support 501.

[0030] The front connection terminals 601 are arranged in rows and regularly distributed, which is convenient for wiring operation.

[0031] It also includes a line adjustment mechanism, a clearance opening 4a for avoiding the line adjustment mechanism is provided on the bottom plate 4 of the table support end, and the line adjustment mechanism includes two fixed guide plates 7 fixed to the main frame 1, two parallelogram four-bar structures corresponding to the fixed guide plates 7, and a connecting rod driving element for driving the parallelogram four-bar structure; In the corresponding fixed guide plate 7 and parallelogram four-bar linkage structure: the parallelogram four-bar linkage structure includes a first upper bar 801, a second upper bar 802, a third lower bar 803 and a fourth lower bar 804, the first upper bar 801 and the second upper bar 802 are hinged through a one-two hinge shaft 805, the second upper bar 802 and the third lower bar 803 are hinged through a two-three hinge shaft 806, the third lower bar 803 and the fourth lower bar 804 are hinged through a three-fourth hinge shaft 807, the fourth lower bar 804 and the first upper bar 801 are hinged through a one-fourth hinge shaft 808, and the one-two hinge shaft 805, the two-three hinge shaft 806, the three-fourth hinge shaft 807 and the one-fourth hinge shaft 808 are all slidably connected to the fixed guide plate 7; The sliding directions of the first and second hinge shafts 805 and the third and fourth hinge shafts 807 are both vertical, the sliding directions of the second and third hinge shafts 806 and the first and fourth hinge shafts 808 are both horizontal, an upper adjusting rod 701 is coaxially connected to each of the first and second hinge shafts 805, and an elastic rubber tube 702 is sleeved on the upper adjusting rod 701, a lower adjusting rod 703 is coaxially connected to each of the third and fourth hinge shafts 807, and an elastic rubber tube 702 is sleeved on the lower adjusting rod 703.

[0032] The upper adjusting rod 701 is parallel to the lower adjusting rod 703 , and the length direction of the upper adjusting rod 701 is horizontal and perpendicular to the moving direction of the electrical measuring end crimping plate 2 .

[0033] In the present invention, taking into account the limited space and to prevent the wires from crossing or even getting tangled, when wiring the detection pin terminal 503 and the corresponding front connection terminal 601, the length of the wire should be as short as possible, that is, when the detection pins 502 on the detection meter support 501 contact the corresponding conductive terminals on the electric energy meter being tested, the wires are close to being in a tensioned state when there is no influence from other structures.

[0034] During the process of replacing the meter support end structure, whether it is disassembly or installation, the presence of the avoidance opening 4a can avoid interference. During the process of replacing the meter support end structure, when the operator uses wires to connect each detection pin connection terminal 503 with the corresponding front connection terminal 601, part of the wires bypass the upper adjustment rod 701 (the elastic rubber tube 702 on the upper sleeve) from the top, and the other part of the wires bypass the lower adjustment rod 703 (the elastic rubber tube 702 on the upper sleeve) from the bottom.

[0035] As mentioned in the previous text, "When the detection action is carried out, the wire connected between the detection pin terminal 503 and the front connection terminal 601 will be pulled and spread out a little (the distance between the detection pin terminal 503 and the front connection terminal 601 becomes farther), and the wire connected between the detection pin terminal 503 and the front connection terminal 601 will be partially bent or bent as a whole (the distance between the detection pin terminal 503 and the front connection terminal 601 becomes closer)". The number of times (lifespan) a wire can be bent is limited, and the wire in the present invention (referring to the connection between the detection pin terminal 503 and the corresponding front connection terminal 601, and the wire in the following text also refers to this type of connection) will bend during each detection process. If the wire is bent as a whole, the degree of bending is relatively low and the service life will be longer. If the wire is partially bent, the degree of bending of the bent part is relatively large and the service life will be relatively short.

[0036] In this solution, when the detection needles 502 on the detection meter support 501 move together with the detection meter support 501 to contact the corresponding conductive terminals on the electric energy meter under test, the connecting rod driving element will drive the parallelogram four-bar structure to extend left and right and contract up and down, so that the upper adjustment rod 701 and the lower adjustment rod 703 are relatively close to each other. When the detection needle 502 contacts the corresponding conductive terminal of the electric energy meter under test, the wire is close to a tensioned state and the degree of bending of the wire is very small.

[0037] When the detection table holder 501 is reset, the connecting rod driving element will drive the parallelogram four-bar structure to contract left and right and stretch up and down, so that the upper adjusting rod 701 and the lower adjusting rod 703 are relatively separated, and the elastic rubber tube 702 on the upper adjusting rod 701 can "stretch out" the wires that bypass the upper adjusting rod 701 from the top as a whole, and the elastic rubber tube 702 on the lower adjusting rod 703 can "stretch out" the wires that bypass the lower adjusting rod 703 from the bottom as a whole (the elastic rubber tube 702 is in a compressed deformation state), thereby ensuring that the wires tend to "bend as a whole" rather than "bend locally", thereby ensuring the service life of the wires.

[0038] In addition, in the prior art, whether the wire is directly wound around the terminal or a section of the wire is pressed onto the terminal by a wire pressing screw, there is a risk of looseness or false connection. This is because, during the working process, due to countless vibrations and pulling, looseness is inevitable. Once looseness or false connection occurs, the transmission of electrical signals will be unstable (false connection will cause problems such as abnormal heating, which will cause changes in the current flowing through the wire), which may lead to inaccurate detection results and affect the calibration of the electric energy meter. In this solution, an elastic rubber tube 702 structure is adopted. As mentioned above, whenever the test table holder 501 is reset (i.e. before the next test), the upper adjustment rod 701 and the lower adjustment rod 703 are relatively separated, and the elastic rubber tube 702 on the upper adjustment rod 701 can "stretch" the wires that bypass the upper adjustment rod 701 from above as a whole, and the elastic rubber tube 702 on the lower adjustment rod 703 can "stretch" the wires that bypass the lower adjustment rod 703 from below as a whole (the elastic rubber tube 702 is in a compressed deformation state), and the wires are in a state of pressing the elastic rubber tube 702. In this way, if there is a large looseness between the wire and the terminal, the wire will be pressed by the elastic rubber tube 702 and separated from the terminal.

[0039] In this way, during the test, some signal values ​​will be zero. Once the signal value is zero for a continuous period, it can be inferred that a wire is loose. Originally, if there is a loose connection, the signal value reading will still be there (not zero), but it may not be accurate. It may be that the test result is qualified but the actual result is unqualified. However, if the signal value is zero for a continuous period, it is almost impossible that the electric energy meter is broken, but it is more likely that the wire is loose. Therefore, this solution is equivalent to automatically detecting whether the wiring is loose before each test.

[0040] In addition, when all the wires are in the state of compressing the elastic rubber cylinder 702, if the premise of "no crossing" is met, that is, among the wires bypassing the upper adjustment rod 701 from above, no two wires are crossed in projection, and among the wires bypassing the lower adjustment rod 703 from below, no two wires are crossed in projection, then wireless skin wires can be used. The advantage of wired skin wires is insulation, and even if they touch each other, they will not conduct electricity to each other, but in the process of continuous large-scale detection, the heating problem will become serious. In the present invention, once the above-mentioned premise of "no crossing" is met, bare wires (wireless skin wires) can be used for wiring. In this way, the heat dissipation effect is strong, which can avoid heat accumulation in the wires and affect the detection accuracy and the detection results.

[0041] It should be noted that in this solution, when the operator removes the current meter support end structure, the connection between the detection pin terminal 503 and the corresponding front connection terminal 601 should be removed first, and then a new meter support end structure corresponding to the electric energy meter being tested can be replaced.

[0042] The fixed guide plate 7 is provided with an upper vertical slide groove 8a, a lower vertical slide groove 8b, a front horizontal slide groove 8c and a rear horizontal slide groove 8d, and the side fixed seat 401 is provided with a vertical slide groove. In the corresponding fixed guide plate 7 and the parallelogram four-bar structure: the one-two hinge shaft 805 slides in cooperation with the upper vertical slide groove 8a, the three-fourth hinge shaft 807 slides in cooperation with the lower vertical slide groove 8b, the two-three hinge shaft 806 slides in cooperation with the front horizontal slide groove 8c, and the one-fourth hinge shaft 808 slides in cooperation with the rear horizontal slide groove 8d.

[0043] Each slide groove is used to guide each hinge shaft. In this embodiment, Figure 5 As shown, in a fixed guide plate 7, the upper vertical slide groove 8a and the lower vertical slide groove 8b are directly opened, which is convenient for production and manufacturing, and there is actually no difference in the guiding effect.

[0044] The upper adjustment rod 701 comprises an upper left rod 701.1 coaxially connected to one one-two hinge shaft 805, an upper right rod 701.2 coaxially connected to another one-two hinge shaft 805, an upper left sleeve 701.3 slidably connected to the upper left rod 701.1, and an upper right sleeve 701.4 slidably connected to the upper right rod 701.2. The upper left sleeve 701.3 is clamped with the upper right sleeve 701.4. A left rubber sleeve 702.1 is provided on the upper left sleeve 701.3, and a right rubber sleeve 702.2 is provided on the upper right sleeve 701.4. The right rubber sleeve 702.2 on the upper left sleeve 701.3 and the right rubber sleeve 702.2 on the upper right sleeve 701.4 together constitute an elastic rubber sleeve 702 sleeved on the upper adjustment rod 701. The lower adjusting rod 703 comprises a lower left rod 703.1 coaxially connected to a three-four hinge shaft 807, a lower right rod 703.2 coaxially connected to another three-four hinge shaft 807, a lower left sleeve 703.3 slidably connected to the lower left rod 703.1 and a lower right sleeve 703.4 slidably connected to the lower right rod 703.2, the lower left sleeve 703.3 is clamped with the lower right sleeve 703.4, a left rubber sleeve 702.1 is provided on the lower left sleeve 703.3, a right rubber sleeve 702.2 is provided on the lower right sleeve 703.4, the right rubber sleeve 702.2 on the lower left sleeve 703.3 and the right rubber sleeve 702.2 on the lower right sleeve 703.4 together constitute an elastic rubber tube 702 sleeved on the lower adjusting rod 703.

[0045] In the present solution, the connection between the detection pin terminal 503 and the corresponding front connection terminal 601 can be pre-connected. When the meter support end structure needs to be replaced, it is only necessary to allow the power element of the electric measuring end to drive the crimping plate 2 of the electric measuring end to move so that the crimping module pin 3 and the corresponding electric connection socket 6 are separated. Then the operator separates the upper left sleeve 701.3 from the upper right sleeve 701.4, and the lower left sleeve 703.3 from the lower right sleeve 703.4 (an upper space is formed between the upper left sleeve 701.3 and the upper right sleeve 701.4, and a lower space is formed between the lower left sleeve 703.3 and the lower right sleeve 703.4), and then the existing meter support end structure can be directly removed (the connection between the detection pin terminal 503 and the corresponding front connection terminal 601 directly leaves from the lower space and the upper space), and replaced. Install a new table support end structure (the connection between the detection pin terminal 503 and the corresponding front terminal 601 has been connected, and the connection passes directly through the upper space and the lower space), then the upper left sleeve 701.3 can be clamped with the upper right sleeve 701.4, and the lower left sleeve 703.3 can be clamped with the lower right sleeve 703.4. When clamping, let the wires connected to the upper row of terminals bypass the upper adjustment rod 701 from the top, and let the wires connected to the lower row of terminals bypass the lower adjustment rod 703 from the bottom. The replacement efficiency in this solution is significantly improved, which can further improve the overall detection efficiency.

[0046] Notice: Figure 1 , Figure 3 In the viewing angle, the upper left sleeve 701.3 is separated from the upper right sleeve 701.4, and an upper space is formed between the upper left sleeve 701.3 and the upper right sleeve 701.4; the lower left sleeve 703.3 is separated from the lower right sleeve 703.4, and a lower space is formed between the lower left sleeve 703.3 and the lower right sleeve 703.4. Figure 4 From the perspective, the upper left sleeve 701.3 is clamped with the upper right sleeve 701.4, the left rubber sleeve 702.1 on the upper left sleeve 701.3 and the right rubber sleeve 702.2 on the upper right sleeve 701.4 together constitute an elastic rubber tube 702 mounted on the upper adjusting rod 701, the lower left sleeve 703.3 is clamped with the lower right sleeve 703.4, the left rubber sleeve 702.1 on the lower left sleeve 703.3 and the right rubber sleeve 702.2 on the lower right sleeve 703.4 together constitute an elastic rubber tube 702 mounted on the lower adjusting rod 703.

[0047] The connecting rod driving element is two four-link driving cylinders 704 corresponding to the three-fourth hinge shaft 807 one by one. In the corresponding three-fourth hinge shaft 807 and four-link driving cylinder 704: the cylinder rod of the four-link driving cylinder 704 is provided with a ring 705 which is sleeved outside the three-fourth hinge shaft 807, and the three-fourth hinge shaft 807 and the ring 705 are rotatably matched.

[0048] The electric measuring end power element includes an electric measuring end driving cylinder and an electric measuring end floating joint. The cylinder body of the electric measuring end driving cylinder is arranged on the main frame 1, and the cylinder rod of the electric measuring end driving cylinder is connected to the electric measuring end crimping plate 2 through the electric measuring end floating joint. The meter support end power element includes a meter support end driving cylinder and a meter support end floating joint. The cylinder body of the meter support end driving cylinder is arranged on the meter support end bottom plate 4, and the cylinder rod of the meter support end driving cylinder is connected to the detection meter support 501 through the meter support end floating joint.

[0049] The main frame 1 is provided with two parallel linear guide rails 101 , and the linear guide rails 101 are provided with sliders 102 matched with the linear guide rails 101 . The sliding direction of the sliders 102 is horizontal, and the sliders 102 are fixed to the bottom of the electrical measuring end crimping plate 2 .

[0050] The linear guide rail 101 plays a guiding role. The cooperation between the slider 102 and the linear guide rail 101 can ensure the stability of the electrical test end crimping plate 2 during movement and the stability of the adapter module and the electrical sockets 6 during plugging.

[0051] The embodiments of the present invention are described in detail above. Specific examples are used herein to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only used to help understand the method of the present invention and its core idea. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as a limitation on the present invention.

Claims

1. A module table holder quick-change compatible electric energy meter calibration device, characterized in that: It includes a main frame, an electric measuring end structure and a meter support end structure; The electric measuring end structure comprises an electric measuring end crimping plate which can be horizontally moved relative to the main frame, a plurality of crimping module pins arranged on the electric measuring end crimping plate, and an electric measuring end power element for driving the electric measuring end crimping plate to move, a guard plate is arranged on the electric measuring end crimping plate, and a crimping module rear terminal is arranged at the rear end of the crimping module pin; The table support end structure includes a table support end bottom plate detachably connected to the main frame, a table support end adapter plate arranged on the table support end bottom plate, an adapter plug-in module arranged on the table support end adapter plate, a detection table support movable relative to the table support end bottom plate, and a table support end power element for driving the detection table support to move; The detection meter support is provided with a plurality of detection pins for contacting the terminals of the electric energy meter, and the detection pins are provided with detection pin wiring terminals. The adapter plug-in module includes a plurality of electrical connection sockets corresponding one to one with the crimping module pins, and the front end of the electrical connection socket is provided with an electrical connection front wiring terminal for wiring with the detection pin wiring terminals. After the crimping module pins are plugged into the corresponding electrical connection sockets: each detection pin wiring terminal and each electrical connection front wiring terminal are all located below the guard plate.

2. The module tray quick-change compatible electric energy meter calibration device according to claim 1 is characterized in that: Two side fixing seats are arranged on the bottom plate of the table support end, and the two side fixing seats are respectively located at the opposite sides of the crimping detection table support, and the two side fixing seats are respectively located at the opposite sides of any electrical connection socket.

3. The module tray quick-change compatible electric energy meter calibration device according to claim 1 is characterized in that: The transfer and plug-in module adopts an aviation socket.

4. A module meter holder quick-change compatible electric energy meter calibration device according to claim 1, 2 or 3, characterized in that: A portion of the front terminals of the electric connection are arranged in sequence along the length direction of the adapter plate at the meter support end and together constitute an upper row of terminals, and the remaining front terminals of the electric connection are arranged in sequence along the length direction of the adapter plate at the meter support end and together constitute a lower row of terminals, and the upper row of terminals is located above the lower row of terminals.

5. The module tray quick-change compatible electric energy meter calibration device according to claim 4 is characterized in that: It also includes a line adjustment mechanism, a bottom plate of the table support end is provided with an avoidance opening for avoiding the line adjustment mechanism, and the line adjustment mechanism includes two fixed guide plates fixed to the main frame, two parallelogram four-bar linkage structures corresponding to the fixed guide plates, and a linkage driving element for driving the parallelogram four-bar linkage structure; In the corresponding fixed guide plate and parallelogram four-bar linkage structure: the parallelogram four-bar linkage structure includes a first upper bar, a second upper bar, a third lower bar and a fourth lower bar, the first upper bar and the second upper bar are hinged through a one-two hinge shaft, the second upper bar and the third lower bar are hinged through a two-three hinge shaft, the third lower bar and the fourth lower bar are hinged through a three-four hinge shaft, the fourth lower bar and the first upper bar are hinged through a one-four hinge shaft, and the one-two hinge shaft, the two-three hinge shaft, the three-four hinge shaft and the one-four hinge shaft are all slidably connected to the fixed guide plate; The sliding directions of the first and second hinge shafts and the third and fourth hinge shafts are all vertical, and the sliding directions of the second and third hinge shafts and the first and fourth hinge shafts are all horizontal. An upper adjusting rod is coaxially connected to each of the first and second hinge shafts, and an elastic rubber tube is sleeved on the upper adjusting rod. A lower adjusting rod is coaxially connected to each of the third and fourth hinge shafts, and an elastic rubber tube is sleeved on the lower adjusting rod.

6. The module tray quick-change compatible electric energy meter calibration device according to claim 5 is characterized in that: The fixed guide plate is provided with an upper vertical slide groove, a lower vertical slide groove, a front horizontal slide groove and a rear horizontal slide groove, and the side fixed seat is provided with a vertical slide groove. In the corresponding fixed guide plate and the parallelogram four-bar structure: the first and second hinge shafts are slidably matched with the upper vertical slide groove, the third and fourth hinge shafts are slidably matched with the lower vertical slide groove, the second and third hinge shafts are slidably matched with the front horizontal slide groove, and the first and fourth hinge shafts are slidably matched with the rear horizontal slide groove.

7. The module tray quick-change compatible electric energy meter calibration device according to claim 5 is characterized in that: The upper adjusting rod comprises an upper left rod coaxially connected with a one-two hinge shaft, an upper right rod coaxially connected with another one-two hinge shaft, an upper left sleeve slidably connected with the upper left rod and an upper right sleeve slidably connected with the upper right rod, the upper left sleeve is clamped with the upper right sleeve, a left rubber sleeve is provided on the upper left sleeve, a right rubber sleeve is provided on the upper right sleeve, and the right rubber sleeve on the upper left sleeve and the right rubber sleeve on the upper right sleeve together constitute an elastic rubber cylinder sleeved on the upper adjusting rod; the lower adjusting rod comprises a lower left rod coaxially connected with a three-four hinge shaft, a lower right rod coaxially connected with another three-four hinge shaft, a lower left sleeve slidably connected with the lower left rod and a lower right sleeve slidably connected with the lower right rod, the lower left sleeve is clamped with the lower right sleeve, a left rubber sleeve is provided on the lower left sleeve, a right rubber sleeve is provided on the lower right sleeve, and the right rubber sleeve on the lower left sleeve and the right rubber sleeve on the lower right sleeve together constitute an elastic rubber cylinder sleeved on the lower adjusting rod.

8. The module tray quick-change compatible electric energy meter calibration device according to claim 5 is characterized in that: The connecting rod driving element is two four-link driving cylinders corresponding to the three-fourth hinge shaft one by one. In the corresponding three-fourth hinge shaft and four-link driving cylinder: a ring is provided on the cylinder rod of the four-link driving cylinder and is sleeved outside the three-fourth hinge shaft, and the three-fourth hinge shaft rotates in cooperation with the ring.

9. A module meter holder quick-change compatible electric energy meter calibration device according to claim 1, 2 or 3, characterized in that: The electric measuring end power element includes an electric measuring end driving cylinder and an electric measuring end floating joint. The cylinder body of the electric measuring end driving cylinder is arranged on the main frame, and the cylinder rod of the electric measuring end driving cylinder is connected to the electric measuring end crimping plate through the electric measuring end floating joint. The meter support end power element includes a meter support end driving cylinder and a meter support end floating joint. The cylinder body of the meter support end driving cylinder is arranged on the meter support end bottom plate, and the cylinder rod of the meter support end driving cylinder is connected to the detection meter support through the meter support end floating joint.

10. A module meter holder quick-change compatible electric energy meter calibration device according to claim 1, 2 or 3, characterized in that: The main frame is provided with two parallel linear guide rails, the linear guide rails are provided with sliders matched with the linear guide rails, the sliding direction of the sliders is horizontal, and the sliders are fixed to the bottom of the electrical measuring end crimping plate.

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