Tray assembly and calibrating device

Abstract

The utility model discloses a tray assembly and a calibrating device. The tray assembly is used for bearing an electric energy meter. The tray assembly comprises a base body, a limiting assembly and a locking assembly. The base body is provided with a bearing face and a limiting groove. The limiting assembly is connected with the base body and comprises a locking part. The limiting assembly is provided with a first position contained in the limiting groove and a second position at least partially stretching out of the limiting groove. At the second position, the limiting assembly is used for positioning the electric energy meter. The locking assembly is arranged in the limiting groove and connected with the base body. The locking assembly comprises a first locking arm and a second locking arm. From the second position to the first position, the locking part abuts against the locking assembly at a time, so that the first locking arm and the second locking arm clamp the locking part, and then the limiting assembly is kept at the first position; at the first position, the locking assembly is secondarily pressed, and the first locking arm and the second locking arm can release the locking part, so that the limiting assembly moves to the second position. According to the scheme, the tray assembly has good compatibility and can adapt to, bear and fix multiple different types of electric energy meters.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric energy meter tray, especially relates to a tray assembly and calibration device. BACKGROUND

[0002] The tray assembly is used for carrying electric energy meters and conducting pipeline detection. The existing tray assembly comprises a base body and a limiting part, and the limiting part is arranged on the base body to limit and fix the electric energy meters carried on the base body, thereby ensuring the stability of the electric energy meters. However, the electric energy meters include various types such as single-phase electric meters, three-phase electric meters and terminal electric meters, but the limiting part can only be adapted to fix a single type of electric meter, and when other types of electric meters need to be carried on the base body, the limiting part will interfere with the electric meters, that is, the compatibility of the existing tray assembly is poor. SUMMARY

[0003] The utility model discloses a tray assembly and calibration device, and aims to solve the technical problem of poor compatibility of the tray assembly.

[0004] To achieve the above-mentioned purpose, the utility model discloses a tray assembly for carrying electric energy meters, which comprises:

[0005] The base body has a carrying surface on one side for carrying the electric energy meters, and the base body is provided with a limiting groove penetrating the carrying surface;

[0006] The limiting assembly is connected to the base body, and the limiting assembly has a first position in which the limiting assembly is accommodated in the limiting groove and a second position in which the limiting assembly at least partially protrudes from the limiting groove. In the second position, the limiting assembly is used for positioning the electric energy meters carried on the carrying surface, and the limiting assembly comprises a locking part;

[0007] The locking assembly is arranged in the limiting groove and connected to the base body, and the locking assembly comprises a first locking arm and a second locking arm. When the locking assembly is pressed once, the first locking arm and the second locking arm are close to each other, and when the locking assembly is pressed twice, the first locking arm and the second locking arm are away from each other;

[0008] During the process of switching the limiting assembly from the second position to the first position, the locking part presses the locking assembly once, so that the first locking arm and the second locking arm are close to each other to clamp the locking part, and then the limiting assembly is kept in the first position. When the limiting assembly is in the first position and the locking assembly is pressed twice, the first locking arm and the second locking arm can be away from each other to release the locking part, so that the limiting assembly moves to the second position.

[0009] In some embodiments, the tray assembly comprises a first elastic member, two ends of the first elastic member are connected to the base and the limiting assembly respectively, the first elastic member is compressed when the locking portion is pressed against the locking assembly once, so as to drive the limiting assembly to switch from the first position to the second position after the locking portion is released.

[0010] In some embodiments, the locking assembly comprises a lock body, the first lock arm and the second lock arm are arranged in connection with and protruding from the lock body, the first lock arm and the second lock arm are configured to be elastically deformed relative to the lock body, so that the first lock arm and the second lock arm can move away from each other.

[0011] In some embodiments, the locking assembly comprises a stop portion, the stop portion presses against the first lock arm and the second lock arm during the process that the locking portion is pressed against the locking assembly once, so that the first lock arm and the second lock arm move close to each other.

[0012] In some embodiments, the locking assembly comprises a lock seat having the stop portion, the locking assembly comprises a second elastic member, two ends of the second elastic member are connected to the lock seat and the lock body respectively, the second elastic member is compressed during the process that the first lock arm and the second lock arm move close to each other, so as to drive the first lock arm and the second lock arm to move away from the stop portion when pressed against twice.

[0013] In some embodiments, the locking assembly comprises a movable member connected to the lock body, the lock seat is provided with a locking groove, the movable member is configured to have an unlocking position in which the movable member is out of the locking groove, and a locking position in which the movable member is at least partially located in the locking groove, in the locking position, the first lock arm and the second lock arm clamp the locking portion, in the unlocking position, the first lock arm and the second lock arm release the locking portion; the movable member is in the locking position when the locking assembly is pressed once, and the movable member switches from the locking position to the unlocking position when the locking assembly is pressed twice.

[0014] In some embodiments, the limiting assembly comprises a first limiting portion, the first limiting portion is used to divide the bearing surface into a first bearing area, the electric energy meter comprises a single-phase electric energy meter, and the first bearing area is suitable for accommodating the single-phase electric energy meter; and / or,

[0015] the limiting assembly comprises a second limiting portion, the second limiting portion is used to divide the bearing surface into a second bearing area, the electric energy meter comprises a three-phase electric energy meter, and the second bearing area is suitable for accommodating the three-phase electric energy meter; and / or,

[0016] The limiting assembly comprises a third limiting part for separating the bearing surface into a third bearing area, and the electric energy meter comprises a terminal electric meter, and the third bearing area is suitable for accommodating the terminal electric meter.

[0017] In some embodiments, the tray assembly comprises a clamping assembly connected to the base body, the clamping assembly comprising a first clamping part and a second clamping part arranged at intervals along a transverse direction, the first clamping part and the second clamping part being configured to be relatively close to each other along the transverse direction to jointly clamp the electric energy meter.

[0018] In some embodiments, the base body comprises a first slot and a second slot arranged at intervals, the first clamping part being elastically connected to the first slot, and the second clamping part being elastically connected to the second slot, so that the first clamping part and the second clamping part can be relatively close to each other along the transverse direction.

[0019] The utility model discloses a second aspect embodiment proposes a kind of calibrating device, comprising:

[0020] The tray assembly as described in the above embodiments, and,

[0021] Detection assembly is used to detect the electric energy meter carried on the tray assembly.

[0022] Compared with the prior art, the utility model has the beneficial effects including:

[0023] In the technical scheme of the utility model, the tray assembly comprises a base body, a limiting assembly and a locking assembly. The base body has a bearing surface on one side for bearing an electric energy meter, and the base body is provided with a limiting slot penetrating the bearing surface. The limiting assembly is connected to the base body. In the prior art, the limiting part of the tray assembly can only adapt to fixed single type of electric meter, and when other types of electric meter need to be carried on the base body, the limiting part will interfere with it, that is, the compatibility of the existing tray assembly is poor. The limiting assembly of the present scheme can at least partially extend out of the limiting slot when it is in the second position, that is, it can limit and fix the electric energy meter carried on the bearing surface, ensuring the stability of the electric energy meter bearing. When it is in the first position, the limiting assembly can be accommodated in the limiting slot, that is, it can prevent the limiting assembly from interfering with other electric energy meters. Therefore, the present scheme can expand the application range of the tray assembly and effectively improve the compatibility of the tray assembly, adapting to a variety of different types of electric energy meters.

[0024] Further, the locking assembly is arranged in the limiting groove and connected to the base body. The locking assembly comprises a first locking arm and a second locking arm. The first locking arm and the second locking arm are close to each other when the locking assembly is pressed once, and the first locking arm and the second locking arm are away from each other when the locking assembly is pressed twice. The limiting assembly comprises a locking part. In the process of switching from the second position to the first position, the locking part presses the locking assembly once to make the first locking arm and the second locking arm close to each other to clamp the locking part, so that the limiting assembly is kept in the first position. When the limiting assembly is in the first position, the first locking arm and the second locking arm can be away from each other to release the locking part when the locking assembly is pressed twice, so that the limiting assembly moves to the second position. That is, the first locking arm and the second locking arm clamp or release the locking part, so that the limiting assembly can be reliably kept in the target position, and the stability of the position switching of the limiting assembly is improved. By pressing the locking part once or twice, the limiting assembly can be switched between the first position and the second position, the overall operation is convenient and fast, and the position switching efficiency of the limiting assembly can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the structures shown in these drawings without creative labor.

[0026] Figure 1 It is a structural schematic view of the tray assembly in an embodiment of the present application; wherein the limiting assemblies are all located in the second position;

[0027] Figure 2 It is a top view schematic view of the tray assembly in an embodiment of the present application; wherein the first limiting part, the second limiting part and the third limiting part are shown;

[0028] Figure 3 It is an exploded schematic view of the tray assembly in an embodiment of the present application; wherein the base body, the limiting assembly and the locking assembly are shown;

[0029] Figure 4 It is a partial schematic view of the tray assembly in an embodiment of the present application; wherein the first elastic member, the clamping assembly and the locking assembly are shown;

[0030] Figure 5 It is Figure 4 It is a local enlarged schematic view of A in FIG. 6; wherein the first locking arm, the second locking arm and the limiting groove are shown;

[0031] Figure 6It is the cross section view schematic drawing of the tray assembly in one embodiment of the utility model, wherein the limiting assembly is in the second position;

[0032] Figure 7 It is the partial enlarged view schematic drawing in B of the utility model; Figure 6 The first lock arm and the second lock arm release the locking part;

[0033] Figure 8 It is the cross section view schematic drawing of the tray assembly in one embodiment of the utility model, wherein the limiting assembly is in the first position;

[0034] Figure 9 It is the partial enlarged view schematic drawing in C of the utility model; Figure 8 The first lock arm and the second lock arm clamp the locking part;

[0035] Figure 10 It is the structure schematic drawing of the locking assembly in one embodiment of the utility model, wherein the lock body, the lock seat and the second elastic piece are shown;

[0036] Figure 11 It is the explosion schematic drawing of the locking assembly in one embodiment of the utility model, wherein the movable piece, the locking groove and the stop part are shown;

[0037] Figure 12 It is the partial explosion cross section view of the locking assembly in one embodiment of the utility model, wherein the guide protrusion and the locking groove are shown;

[0038] Figure 13 It is the structure schematic drawing of the limiting assembly in one embodiment of the utility model, wherein the clamping assembly part is connected to the limiting assembly;

[0039] Figure 14 It is the structure schematic drawing of the limiting assembly in one embodiment of the utility model, wherein the limiting assembly includes the locking part;

[0040] Figure 15 It is the partial enlarged view schematic drawing in D of the utility model; Figure 14 The locking part is shown;

[0041] Figure 16 It is the structure schematic drawing of the tray assembly in one embodiment of the utility model, wherein the first limiting part is in the second position, and the second limiting part and the third limiting part are all in the first position;

[0042] Figure 17 It is the structure schematic drawing of the tray assembly in one embodiment of the utility model, wherein the single-phase electric meter is borne in the first bearing area;

[0043] Figure 18It is a structure schematic view of the tray assembly in an embodiment of the utility model, wherein the second limiting part is located at the second position, and the first limiting part and the third limiting part are located at the first position;

[0044] Figure 19 It is a structure schematic view of the tray assembly in an embodiment of the utility model, wherein the three-phase electric meter is borne in the second bearing area;

[0045] Figure 20 It is a structure schematic view of the tray assembly in an embodiment of the utility model, wherein the third limiting part is located at the second position, and the first limiting part and the second limiting part are located at the first position;

[0046] Figure 21 It is a structure schematic view of the tray assembly in an embodiment of the utility model, wherein the terminal electric meter is borne in the third bearing area.

[0047] Explanation of reference numerals:

[0048] Tray assembly 10;

[0049] Base body 100;Bearing surface 110;First bearing area 111;Second bearing area 112;Third bearing area 113;Limiting groove 120;First groove body 130;Second groove body 140;Frame 150;Conductive plate 160;Fixed plate 170;Positioning pin 180;Load code body 190;

[0050] Limiting assembly 200;

[0051] Locking part 210;Clamping groove 211;

[0052] First limiting part 220;Limiting frame 221;

[0053] Second limiting part 230;First limiting block 231;Second limiting block 232;

[0054] Third limiting part 240;Third limiting block 241;Fourth limiting block 242;

[0055] Locking assembly 300;

[0056] First lock arm 310;First clamping convex 311;

[0057] Second lock arm 320;Second clamping convex 321;

[0058] Lock body 330;Movable part 331;Guide convex 332;

[0059] Lock seat 340;Stopper 341;Locking groove 342;Guide groove 343;

[0060] Second elastic member 350;

[0061] First elastic member 400;

[0062] Clamping assembly 500; first clamping part 510; second clamping part 520; third elastic member 530; fourth elastic member 540;

[0063] Electricity meter 20; single-phase meter 201; three-phase meter 202; terminal meter 203;

[0064] Transverse direction X.

[0065] The realization, functional features and advantages of the utility model will be further described in combination with embodiments with reference to the drawings. DETAILED DESCRIPTION

[0066] The technical solutions in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0067] The tray assembly is used for carrying the electricity meter and carrying out pipeline detection. The existing tray assembly comprises a base body and a limiting part, the limiting part is arranged on the base body to limit and fix the electricity meter carried on the base body, thereby guaranteeing the stability of the fixed electricity meter. The electricity meter comprises various types such as single-phase meter, three-phase meter and terminal meter, but the limiting part can only adapt to fixing a single type of meter, when other types of meters need to be carried on the base body, the limiting part will interfere with them, that is, the compatibility of the existing tray assembly is poor.

[0068] Therefore, the utility model provides a tray assembly 10 in the first aspect of the embodiment, which has good compatibility. It should be noted that the tray assembly 10 is used for carrying the electricity meter 20. The tray assembly 10 of the embodiment of the application will be introduced below with reference to Figures 1 to 21 Specifically, the tray assembly 10 comprises a base body 100, a limiting assembly 200 and a locking assembly 300.

[0069] With reference to Figures 1 to 5 , the base body 100 is used for carrying the electricity meter 20. Specifically, one side of the base body 100 has a carrying surface 110 for carrying the electricity meter 20. With reference to Figure 1 , the carrying surface 110 can be located on the upper side of the base body 100. The base body 100 is also provided with a limiting groove 120, and the limiting groove 120 is used for installing the limiting assembly 200 and the locking assembly 300. It should be noted that the limiting groove 120 can be arranged through the carrying surface 110. In other words, the limiting groove 120 can be concave on the carrying surface 110.

[0070] With reference toFigures 6 to 9 、 Figures 16 to 21 The limiting assembly 200 is used to limit the electric energy meter 20. The relative arrangement of the limiting assembly 200 and the base 100 is introduced below. The limiting assembly 200 can be connected to the base 100 and has a first position and a second position relative to the base 100. Specifically, when in the first position, the limiting assembly 200 can be accommodated in the limiting slot 120, i.e. the limiting assembly 200 does not interfere with other electric energy meters 20. When in the second position, the limiting assembly 200 can be at least partially arranged outside the limiting slot 120, so that the limiting assembly 200 can limit the target electric energy meter 20, thereby ensuring the stability of the tray assembly 10 carrying the electric energy meter 20.

[0071] Referring to Figures 6 to 9 The locking assembly 300 is used to lock the limiting assembly 200 in a specific position. Specifically, the locking assembly 300 can be arranged in the limiting slot 120, and the limiting assembly 200 can be connected to the base 100. The locking assembly 300 includes a first locking arm 310 and a second locking arm 320 arranged oppositely. In some embodiments, the structure of the first locking arm 310 can be the same as that of the second locking arm 320. In other embodiments, the structure of the first locking arm 310 is different from that of the second locking arm 320, and the embodiments of the present application take the case where the structures of the first locking arm 310 and the second locking arm 320 are the same as an example for description. Referring to Figure 9 The locking assembly 300 can be arranged to be pressed once to make the first locking arm 310 and the second locking arm 320 approach each other to achieve locking. Figure 7 The locking assembly 300 can be arranged to be pressed twice to make the first locking arm 310 and the second locking arm 320 move away from each other to achieve unlocking.

[0072] It should be noted that the limiting assembly 200 includes a locking portion 210 for locking by the locking assembly 300. Specifically, when the limiting assembly 200 is not needed to limit, the limiting assembly 200 can be switched from the second position to the first position, and in the process of position switching of the limiting assembly 200, the locking portion 210 can press the locking assembly 300 once to make the first locking arm 310 and the second locking arm 320 approach each other to clamp the locking portion, so that the limiting assembly 200 is stably kept in the first position, i.e. the limiting assembly 200 can effectively prevent the limiting assembly 200 from interfering with other electric energy meters 20 by extending out of the limiting slot 120. When the limiting assembly 200 is in the first position, the locking assembly 300 is pressed twice, and the first locking arm 310 and the second locking arm 320 can move away from each other to release the locking portion 210, so that the limiting assembly 200 moves to the second position to limit and fix the target electric energy meter 20.

[0073] In the technical scheme of the utility model, tray assembly 10 includes base body 100, limiting assembly 200 and locking assembly 300. Base body 100 has a bearing surface 110 for bearing electric energy meter 20 on one side, and is provided with a limiting groove 120 penetrating through the bearing surface 110. Limiting assembly 200 is connected to base body 100. In the prior art, the limiting part of the tray assembly can only adapt to fixed single type electric meter, and when other types of electric meter need to be carried on the base body, the limiting part will interfere with it, that is, the compatibility of the existing tray assembly is poor. When the limiting assembly 200 is in the second position, the limiting assembly 200 can at least partially extend out of the limiting groove 120, that is, the electric energy meter 20 carried on the bearing surface 110 can be limited and fixed, and the stability of the electric energy meter 20 is ensured. When the limiting assembly 200 is in the first position, the limiting assembly 200 can be accommodated in the limiting groove 120, that is, the limiting assembly 200 can be prevented from interfering with other electric energy meters 20. Therefore, the present scheme can expand the application range of the tray assembly 10, effectively improve the compatibility of the tray assembly 10, and adapt to a variety of different types of electric energy meters 20.

[0074] Further, the locking assembly 300 is arranged in the limiting groove 120 and connected to the base body 100. The locking assembly 300 includes a first lock arm 310 and a second lock arm 320. When the locking assembly 300 is pressed once, the first lock arm 310 and the second lock arm 320 are close to each other, and when the locking assembly 300 is pressed twice, the first lock arm 310 and the second lock arm 320 are away from each other. The limiting assembly 200 includes a locking part 210. During the process of switching from the second position to the first position, the locking part 210 presses the locking assembly 300 once to make the first lock arm 310 and the second lock arm 320 close to each other to clamp the locking part 210, so that the limiting assembly 200 remains in the first position. When the limiting assembly 200 is in the first position and the locking assembly 300 is pressed twice, the first lock arm 310 and the second lock arm 320 can be away from each other to release the locking part 210, so that the limiting assembly 200 moves to the second position. That is, by clamping or releasing the locking part 210 through the cooperation of the first lock arm 310 and the second lock arm 320, the limiting assembly 200 can be reliably kept in the target position, and the stability of the position switching of the limiting assembly 200 is improved. By pressing the locking part 210 once or twice on the locking assembly 300, the limiting assembly 200 can be switched between the first position and the second position, which is convenient and fast, and can improve the position switching efficiency of the limiting assembly 200.

[0075] Reference Figures 3 to 5 In some embodiments, the tray assembly 10 includes a first elastic member 400, and the two ends of the first elastic member 400 are connected to the base body 100 and the limiting assembly 200 respectively, that is, the limiting assembly 200 can use the elastic force provided by the first elastic member 400 to switch the position relative to the base body 100. Specifically, referring toFigure 6 and Figure 8 The locking portion 210 is compressed by the first elastic member 400 when the locking assembly 300 is pressed once, and the limiting assembly 200 is driven to switch from the first position to the second position after the locking assembly 300 releases the locking portion 210. In other embodiments, the tray assembly 10 includes a driving rod, and the two ends of the driving rod are connected with the base 100 and the limiting assembly 200, respectively. The driving rod can be provided with a sensor, and the locking portion 210 can be sensed by the sensor when the locking assembly 300 is pressed once. After the locking assembly 300 releases the locking portion 210, the driving rod can directly drive the limiting assembly 200 to switch to the second position after extending out of the limiting groove 120. The embodiments of the present application are described by taking the tray assembly 10 provided with the first elastic member 400 as an example.

[0076] It should be noted that the tray assembly 10 can be provided with a plurality of first elastic members 400, and adjacent two first elastic members 400 can be arranged at intervals. Each first elastic member 400 can provide elastic force for the movement of the limiting assembly 200, thereby ensuring the reliability of the movement of the limiting assembly 200. The tray assembly 10 of the present application can drive the limiting assembly 200 to move and reset by using the elastic force of the first elastic member 400, and the overall structure is simple and the position switching operation is convenient and fast, which can ensure the stability of the position switching.

[0077] Referring to Figures 6 to 12 The following describes the driving arrangement of the first lock arm 310 and the second lock arm 320 away from each other. In some embodiments, the locking assembly 300 includes a lock body 330, and the first lock arm 310 can be connected with the lock body 330 and protrude out of the lock body 330, and the second lock arm 320 can be connected with the lock body 330 and protrude out of the lock body 330. The first lock arm 310 and the second lock arm 320 can be elastically deformed relative to the lock body 330, so that the first lock arm 310 and the second lock arm 320 can be away from each other. In other embodiments, the locking assembly 300 can be provided with a driving portion, and the first lock arm 310 and the second lock arm 320 are both slidingly connected with the lock body 330, and the driving portion can drive the first lock arm 310 and the second lock arm 320 away from each other.

[0078] It should be noted that in some embodiments, the position of the first lock arm 310 can be fixed, and the second lock arm 320 can be away from the first lock arm 310 to achieve release. In other embodiments, the position of the second lock arm 320 can be fixed, and the first lock arm 310 can be away from the second lock arm 320 to achieve release.

[0079] The embodiments of the present application are described by taking the first lock arm 310 and the second lock arm 320 away from each other by relying on elastic deformation as an example. In the present application, the operation of the first lock arm 310 and the second lock arm 320 away from each other is convenient and fast, that is, the locking portion 210 can be accurately and quickly released, thereby ensuring the stability of the position switching of the limiting assembly 200.

[0080] With reference to Figures 6 to 12 , the following describes the driving arrangement of the first locking arm 310 and the second locking arm 320 to be close to each other. In some embodiments, the locking assembly 300 comprises a stop portion 341. During the process of the locking portion 210 pressing the locking assembly 300, the stop portion 341 can press the first locking arm 310 and the second locking arm 320, so that the first locking arm 310 and the second locking arm 320 are close to each other. In other embodiments, the stop portion 341 can press the first locking arm 310, so that the first locking arm 310 is close to the second locking arm 320. In other embodiments, the stop portion 341 can press the second locking arm 320, so that the second locking arm 320 is close to the first locking arm 310. The embodiments of the present application take the example of the stop portion 341 pressing the first locking arm 310 and the second locking arm 320, so that the first locking arm 310 and the second locking arm 320 are close to each other.

[0081] With reference to Figure 9 and Figure 12 , it should be noted that the locking portion 210 of the limiting assembly 200 can be provided with a clamping groove 211. The first locking arm 310 can be provided with a first clamping protrusion 311, and the second locking arm 320 can be provided with a second clamping protrusion 321. The first clamping protrusion 311 and the second clamping protrusion 321 can have the same structure, and both the first clamping protrusion 311 and the second clamping protrusion 321 can be arranged to fit the clamping groove 211. When the first locking arm 310 and the second locking arm 320 are close to each other to clamp the locking portion 210, the first clamping protrusion 311 can pass through the clamping groove 211 of the locking portion 210, and the second clamping protrusion 321 can pass through the clamping groove 211 of the locking portion 210, so as to improve the stability of the connection between the locking assembly 300 and the limiting assembly 200, and make the limiting assembly 200 stably keep in the first position.

[0082] The stop portion 341 of the present scheme can press the first locking arm 310 and the second locking arm 320 during the process of the locking portion 210 pressing the locking assembly 300, so that the first locking arm 310 and the second locking arm 320 are relatively close to realize locking, that is, the first locking arm 310 and the second locking arm 320 can be driven to be relatively close by the pressing power of the locking portion 210, without the need to add an additional power source, so that the overall driving structure is simple and the driving process is convenient and fast.

[0083] With reference to Figures 6 to 12The first locking arm 310 and the second locking arm 320 are separated from the stop portion 341. In some embodiments, the locking assembly 300 includes a lock seat 340 having the stop portion 341. The locking assembly 300 includes a second elastic member 350, two ends of the second elastic member 350 are connected to the lock seat 340 and the lock body 330 respectively, that is, the lock body 330 can move relative to the lock seat 340 by the elastic force provided by the second elastic member 350, and then the first locking arm 310 and the second locking arm 320 connected to the lock body 330 can move relative to the stop portion 341. Specifically, the second elastic member 350 can be compressed in the process that the first locking arm 310 and the second locking arm 320 approach each other, so as to drive the first locking arm 310 and the second locking arm 320 to move away from the stop portion 341 when subjected to secondary pressure, and thus the stop portion 341 no longer exerts pressure on the first locking arm 310 and the second locking arm 320, that is, the first locking arm 310 and the second locking arm 320 can be released by the elastic deformation of the locking portion 210. In other embodiments, the locking assembly 300 includes a driving portion, two ends of the driving portion are connected to the lock seat 340 and the lock body 330 respectively. The driving portion can be provided with a sensor, and the locking portion 210 can be sensed by the sensor when the locking assembly 300 is subjected to secondary pressure, that is, the driving portion can directly drive the first locking arm 310 and the second locking arm 320 to move away from the stop portion 341. The embodiments of the present application are described by taking the locking assembly 300 moving away from the stop portion 341 by the elastic force of the second elastic member 350 as an example.

[0084] It should be noted that the tray assembly 10 can be provided with a plurality of second elastic members 350, and adjacent two second elastic members 350 can be arranged at intervals, and each second elastic member 350 can provide elastic force for the first locking arm 310 and the second locking arm 320 to move away from the stop portion 341, thereby ensuring the reliability of movement. The first locking arm 310 and the second locking arm 320 of the present scheme can move away from the stop portion 341 by the elastic force of the second elastic member 350, and the overall structure is simple and the position switching operation is convenient and fast, and the stability of position switching can be ensured.

[0085] Referring to Figures 10 to 12The locking and releasing processes of the locking assembly 300 on the limiting assembly 200 are introduced as follows. In some embodiments, the locking assembly 300 comprises a movable piece 331 which can be connected to the lock body 330 and located between the lock body 330 and the second elastic piece 350. The lock seat 340 can be provided with a locking groove 342. The movable piece 331 has an unlocking position and a locking position relative to the lock seat 340. Specifically, when the movable piece 331 is in the unlocking position, the movable piece 331 can be out of the locking groove 342, that is, the movable piece 331 is not fixedly connected to the lock seat 340, so that the second elastic piece 350 can push the first lock arm 310 and the second lock arm 320 away from the stop portion 341, so that the first lock arm 310 and the second lock arm 320 can release the locking portion 210 to realize the releasing; when the movable piece 331 is in the locking position, the movable piece 331 can at least partially enter the locking groove 342, that is, the movable piece 331 is connected to the lock seat 340 and the lock body 330, so that the stop portion 341 can stably abut against the first lock arm 310 and the second lock arm 320 to clamp the locking portion 210 to realize the locking.

[0086] It should be noted that when the locking assembly 300 is pressed once, the movable piece 331 can be in the locking position. When the locking assembly 300 is pressed twice, the movable piece 331 can be switched from the locking position to the unlocking position. The switching operation of the locking position and the unlocking position of the locking assembly 300 is convenient and fast, and can adapt to the position switching process of the limiting assembly 200, realize the pressing locking and releasing of the limiting assembly 200, and improve the compatibility of the tray assembly 10.

[0087] Referring to Figures 10 to 12 The cooperation of the lock body 330 and the lock seat 340 is introduced as follows. In some embodiments, the lock body 330 can be provided with a guide protrusion 332, and the lock seat 340 can be provided with a guide groove 343. When the movable piece 331 is switched from the locking position to the unlocking position, the guide protrusion 332 can slide in the guide groove 343. In other embodiments, the lock body 330 can be provided with a guide groove 343, and the lock seat 340 can be provided with a guide protrusion 332. When the movable piece 331 is switched from the locking position to the unlocking position, the guide protrusion 332 can slide in the guide groove 343. Through the guide protrusion 332 and the guide groove 343, the lock body 330 can accurately move relative to the lock seat 340, and the reliability of the locking and releasing process is ensured.

[0088] Referring to Figure 1 , Figure 2 , Figures 13 to 17The specific limiting arrangement of the limiting assembly 200 for the single-phase electric meter 201 is introduced as follows. In some embodiments, the electric energy meter 20 comprises the single-phase electric meter 201. The limiting assembly 200 comprises a first limiting part 220, which can divide the bearing surface 110 into a first bearing area 111, and the first bearing area 111 can accommodate the single-phase electric meter 201. It can be understood that the first limiting part 220 can limit the single-phase electric meter 201, and guarantee the stability of bearing the single-phase electric meter 201.

[0089] It should be noted that the first limiting part 220 can divide the bearing surface 110 into a plurality of first bearing areas 111, that is, the carrying capacity of the tray assembly 10 can be improved. Further, the first limiting part 220 can be a limiting grid frame 221, which can be adapted to the structure of the single-phase electric meter 201, and realize stable limiting of the single-phase electric meter 201. Specifically, the limiting grid frame 221 can simultaneously fix a plurality of single-phase electric meters 201, which will be described with reference to Figure 17 The embodiments of the present application take fixing of six single-phase electric meters 201 as an example for description.

[0090] With reference to Figure 1 , Figure 2 , Figure 18 and Figure 19 , the specific limiting arrangement of the limiting assembly 200 for the three-phase electric meter 202 is introduced as follows. In some embodiments, the electric energy meter 20 comprises the three-phase electric meter 202. The limiting assembly 200 comprises a second limiting part 230, which can divide the bearing surface 110 into a second bearing area 112, and the second bearing area 112 can bear the three-phase electric meter 202. It can be understood that the second limiting part 230 can limit the three-phase electric meter 202, and guarantee the reliability of bearing the three-phase electric meter 202.

[0091] It should be noted that the second limiting part 230 can divide the bearing surface 110 into a plurality of second bearing areas 112, that is, the carrying capacity of the tray assembly 10 can be improved. Further, the second limiting part 230 has a first limiting block 231 and a second limiting block 232 arranged at intervals, and the first limiting block 231 and the second limiting block 232 can be adapted to the structure of the three-phase electric meter 202, and realize stable limiting of the three-phase electric meter 202. Specifically, the first limiting block 231 and the second limiting block 232 can simultaneously fix a plurality of three-phase electric meters 202, which will be described with reference to Figure 19 The embodiments of the present application take fixing of two single-phase electric meters 201 as an example for description.

[0092] With reference to Figure 1 , Figure 2 , Figure 20 and Figure 21The specific limiting setting of the limiting assembly 200 to the terminal electric meter 203 will be introduced below. In some embodiments, the electric meter 20 comprises the terminal electric meter 203. The limiting assembly 200 comprises a third limiting part 240, which can divide the bearing surface 110 into a third bearing area 113, and the third bearing area 113 can bear the terminal electric meter 203. It can be understood that the third limiting part 240 can limit the terminal electric meter 203, and guarantee the reliability of bearing the terminal electric meter 203.

[0093] It should be noted that the third limiting part 240 can divide the bearing surface 110 into a plurality of third bearing areas 113, that is, the carrying capacity of the tray assembly 10 can be improved. Further, the third limiting part 240 has a third limiting block 241 and a fourth limiting block 242 arranged at intervals, and the third limiting block 241 and the fourth limiting block 242 can adapt to the structure of the terminal electric meter 203 to achieve stable limiting of the terminal electric meter 203. Specifically, the third limiting block 241 and the fourth limiting block 242 can simultaneously fix a plurality of terminal electric meters 203, and the specific structure of the third limiting block 241 and the fourth limiting block 242 will be described below. Figure 21

[0094] Referring to Figures 1 to 5 , Figures 16 to 21 The specific fixing setting of the tray assembly 10 will be introduced below. In some embodiments, the tray assembly 10 comprises a clamping assembly 500, which can clamp and fix the electric meter 20. Specifically, the clamping assembly 500 is connected to the base body 100. The clamping assembly 500 comprises a first clamping part 510 and a second clamping part 520, which can be arranged at intervals along the transverse direction X. It can be understood that the structure of the first clamping part 510 can be the same as or different from that of the second clamping part 520, and the embodiments of the present application will be described taking the structure of the first clamping part 510 and the second clamping part 520 as an example.

[0095] Referring to Figures 16 to 21 The first clamping part 510 and the second clamping part 520 are both used to clamp the electric meter 20. In some embodiments, the first clamping part 510 and the second clamping part 520 can jointly clamp the electric meter 20. In other embodiments, the first clamping part 510 can move towards the limiting assembly 200 to jointly clamp the electric meter 20. In other embodiments, the second clamping part 520 can move towards the limiting assembly 200 to jointly clamp the electric meter 20. The embodiments of the present application will be described taking the first clamping part 510 and the second clamping part 520 cooperating with the limiting assembly 200 to clamp the electric meter 20 as an example. The clamping assembly 500 of the present scheme can realize the edge positioning of the electric meter 20, effectively improve the stability of the tray assembly 10 bearing the electric meter 20, and prevent the electric meter 20 from falling off the tray assembly 10.

[0096] Referring to​Figure 3 and Figure 4 The movement of the first clamping part 510 and the second clamping part 520 will be introduced below. In some embodiments, the first clamping part 510 and the second clamping part 520 can be elastically connected to the base body 100. It can be understood that the clamping assembly 500 can be provided with a third elastic member 530 and a fourth elastic member 540. One end of the third elastic member 530 can be connected to the first clamping part 510, and the other end can be connected to the base body 100. One end of the fourth elastic member 540 can be connected to the second clamping part 520, and the other end can be connected to the base body 100. When it is necessary to clamp and fix the electric energy meter 20 by the clamping assembly 500, first drive the first clamping part 510 and the second clamping part 520 to move away from the limiting assembly 200, at this time the third elastic member 530 and the fourth elastic member 540 are both under tension, then place the electric energy meter 20 on the bearing surface 110, the third elastic member 530 can drive the first clamping part 510 and the limiting assembly 200 to clamp the electric energy meter 20 by relying on its own tension, and the fourth elastic member 540 can drive the second clamping part 520 and the limiting assembly 200 to clamp the electric energy meter 20 by relying on its own tension.

[0097] It should be noted that in order to improve the stability of the assembly of the third elastic member 530 and the fourth elastic member 540 with the base body 100, the base body 100 can be provided with a first slot 130 and a second slot 140, and the first clamping part 510 can be elastically connected to the first slot 130, and the second clamping part 520 can be elastically connected to the second slot 140. It can be understood that the base body 100 can be provided with a plurality of first slots 130 and a plurality of second slots 140. Adaptively, the clamping assembly 500 can be provided with a plurality of first clamping parts 510 and a plurality of second clamping parts 520, each first clamping part 510 being elastically connected to each first slot 130, and each second clamping part 520 being elastically connected to each second slot 140. This scheme can further improve the stability of the electric energy meter 20 by providing a plurality of first clamping parts 510 and a plurality of second clamping parts 520.

[0098] Referring to Figures 1 to 3In some embodiments, the base body 100 is further provided with a frame 150. For example, the lateral X dimension of the frame 150 can be 410 mm*410 mm, which can be adapted to a conveying line with a width of 400 mm. The conveying line can be provided with a clamping reset mechanism, which can drive the first clamping portion 510 and the second clamping portion 520 to open when it is required to place the electric energy meter 20. After the electric energy meter 20 is placed, the first clamping portion 510 and the second clamping portion 520 can clamp and position the electric energy meter 20. In other embodiments, the clamping portions on both sides of the frame 150 can be fixed to the base body 100, and the clamping portions in the middle of the base body 100 can be fixed to the limiting assembly 200, i.e., the clamping portions can float vertically along with the limiting assembly 200. It can be understood that the frame 150 can cooperate with the conveying line to convey the tray assembly 10, so as to realize the assembly line transportation of the tray assembly 10. The conveying line can be a belt line.

[0099] Referring to Figure 3 In some embodiments, the base body 100 is further provided with a fixing plate 170, which can fix the base body 100 and the frame 150. In other embodiments, the base body 100 is further provided with a positioning pin 180, which is used for positioning the tray assembly 10. It can be understood that the tray assembly 10 further comprises a code carrier 190, which can use the RIFD (Radio Frequency Identification) technology to identify the information of the tray assembly 10. In other embodiments, the tray assembly 10 further comprises a conductive plate 160, which can be connected to the electric energy meter 20 to perform a voltage withstand test.

[0100] It should be noted that the existing industry standard has a unified standard for the size of the electric energy meter 20. The size of the single-phase electric meter 201 is 112 mm*160 mm, the size of the three-phase electric meter 202 is 160 mm*250 mm, and the size of the terminal electric meter 203 is 180 mm*260 mm. Considering that the placement position of the electric energy meter 20 should be able to satisfy the compatible meter seat and enable the probes to be aligned with the terminal post holes after the tray is positioned. Therefore, the position of the limiting portion of the tray assembly 10 should be arranged based on the compatible meter seat connection position.

[0101] In a specific embodiment of the present application, the first limiting part 220, the second limiting part 230 and the third limiting part 240 of the limiting assembly 200 are arranged as a floating structure, that is, the state of the limiting part can be switched according to the fixing requirements of different types of electric energy meters 20. When the limiting assembly 200 is in the initial state, the first limiting part 220 (for limiting a single-phase electric meter 201), the second limiting part 230 (for limiting a three-phase electric meter 202) and the third limiting part 240 (for limiting a terminal electric meter 203) are all arranged to protrude from the limiting groove 120. Taking the single-phase electric meter 201 as an example, when the single-phase electric meter 201 needs to be placed, the second limiting part 230 and the third limiting part 240 can be pressed at the same time, so that the locking part 210 of the second limiting part 230 is buckled with the locking assembly 300, and the locking part 210 of the third limiting part 240 is buckled with the locking assembly 300, that is, the second limiting part 230 and the third limiting part 240 are accommodated in the limiting groove 120 (without interfering with the normal placement of the single-phase electric meter 201), and then the single-phase electric meter 201 can be placed and fixed. If the three-phase electric meter 202 needs to be fixed subsequently, the first limiting part 220 can be pressed at the same time (without interfering with the normal placement of the three-phase electric meter 202), so that the locking part 210 of the first limiting part 220 is buckled with the locking assembly 300, that is, the first limiting part 220 is accommodated in the limiting groove 120. The second limiting part 230 is pressed again (the second limiting part 230 has been pressed initially when the single-phase electric meter 201 is fixed), that is, the first locking arm 310 and the second locking arm 320 can be away from each other to release the locking part 210 of the second limiting part 230, and the second limiting part 230 protrudes from the limiting groove 120 to limit and fix the three-phase electric meter 202 by relying on the elastic force of the first elastic member 400. The operation of fixing the terminal electric meter 203 is similar to the above operation, which will not be described here.

[0102] The second aspect of the utility model discloses a kind of detection devices, and the detection device includes the tray assembly 10 and detection assembly described in above embodiment.The detection assembly is used to detect the electric energy meter 20 carried on the tray assembly 10.The detection device of the present application can detect a variety of electric energy meters 20, and can meet a variety of detection requirements.Moreover, the first locking arm 310 and the second locking arm 320 are used to clamp or release the locking part 210, so that the limiting assembly 200 can be reliably kept in the target position, improve the stability of the position switching of the limiting assembly 200, and the electric energy meter 20 can be stably fixed, so that reliable detection of the electric energy meter 20 is realized.Further, the locking part 210 is pressed on the locking assembly 300 once or twice, so that the limiting assembly 200 can be switched between the first position and the second position, and the overall operation is convenient and fast, which can improve the position switching efficiency of the limiting assembly 200.

[0103] It should be noted that if the embodiment of the utility model has the direction indication (such as up, down, left, right, front, back, etc.), the direction indication is only used to explain the relative position relationship, movement condition, etc. between the components in a certain specific posture, if the specific posture changes, the direction indication also changes accordingly. When the direction reference is introduced in the specific embodiment, if the direction is not specially limited as one-way, the direction can be one-way or bidirectional (two parallel and opposite directions), and the specific one-way or bidirectional is based on the realization of the ordinary skill in the art. When the direction reference is bidirectional, it is considered that two different embodiments in parallel are introduced.

[0104] In addition, if the embodiment of the utility model has the description of "first", "second", etc., the description of "first", "second", etc. is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can 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, it means that the three parallel schemes include "A and / or B", including A scheme, or B scheme, or A and B scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of the ordinary skill in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the scope of protection of the utility model.

[0105] The above is only the preferred embodiment of the utility model, and does not limit the patent range of the utility model, any equivalent structural transformation based on the utility model concept, the contents of the utility model specification and drawings, or direct / indirect application in other related technical fields are included in the patent protection range of the utility model.

Claims

1. A tray assembly for carrying an electricity meter, characterised in that, The tray assembly comprises: a base body having a bearing surface for bearing the electric energy meter, the base body being provided with a limiting groove penetrating the bearing surface; a limiting assembly connected to the base body, the limiting assembly having a first position in which the limiting assembly is accommodated in the limiting groove and a second position in which the limiting assembly at least partially protrudes from the limiting groove, and in the second position, the limiting assembly is used for positioning the electric energy meter borne on the bearing surface, the limiting assembly comprising a locking portion; a locking assembly arranged in the limiting groove and connected to the base body, the locking assembly comprising a first locking arm and a second locking arm, the locking assembly being configured to cause the first locking arm and the second locking arm to approach each other when pressed once and to cause the first locking arm and the second locking arm to move away from each other when pressed twice; wherein, in the process of switching the limiting assembly from the second position to the first position, the locking portion presses the locking assembly once to cause the first locking arm and the second locking arm to approach each other to clamp the locking portion, so that the limiting assembly is kept in the first position; and when the limiting assembly is in the first position and the locking assembly is pressed twice, the first locking arm and the second locking arm can move away from each other to release the locking portion, so that the limiting assembly moves to the second position.

2. The tray assembly according to claim 1, wherein the tray assembly comprises a first elastic member, two ends of the first elastic member being connected to the base body and the limiting assembly respectively, the first elastic member being compressed when the locking portion presses the locking assembly once, so as to drive the limiting assembly to switch from the first position to the second position after the locking portion is released.

3. The tray assembly according to claim 1, wherein the locking assembly comprises a lock body, the first locking arm and the second locking arm are both connected to and protrude from the lock body, and the first locking arm and the second locking arm are both configured to be elastically deformed relative to the lock body, so that the first locking arm and the second locking arm can move away from each other.

4. The tray assembly according to claim 3, wherein the locking assembly comprises a stop portion, the stop portion presses the first locking arm and the second locking arm during the process of pressing the locking assembly once by the locking portion, so that the first locking arm and the second locking arm approach each other.

5. The tray assembly according to claim 4, wherein the locking assembly comprises a lock seat having the stop portion, and the locking assembly comprises a second elastic member, two ends of the second elastic member being connected to the lock seat and the lock body respectively, the second elastic member being compressed during the process of the first locking arm and the second locking arm approaching each other, so as to drive the first locking arm and the second locking arm to move away from the stop portion when pressed twice.

6. The tray assembly according to claim 5, wherein The locking assembly comprises a movable element connected to the lock body, the lock housing is provided with a locking groove, the movable element is configured to have an unlocking position out of the locking groove and a locking position at least partially in the locking groove, in the locking position, the first lock arm and the second lock arm clamp the locking part, in the unlocking position, the first lock arm and the second lock arm release the locking part; the movable element is in the locking position when the locking assembly is pressed once, and the movable element is switched from the locking position to the unlocking position when the locking assembly is pressed twice.

7. The tray assembly of claim 1, wherein, the limiting assembly comprises a first limiting part for separating the bearing surface into a first bearing area, the electric energy meter comprises a single-phase electric meter, and the first bearing area is adapted to accommodate the single-phase electric meter; and / or, the limiting assembly comprises a second limiting part for separating the bearing surface into a second bearing area, the electric energy meter comprises a three-phase electric meter, and the second bearing area is adapted to accommodate the three-phase electric meter; and / or, the limiting assembly comprises a third limiting part for separating the bearing surface into a third bearing area, the electric energy meter comprises a terminal electric meter, and the third bearing area is adapted to accommodate the terminal electric meter.

8. The tray assembly of claim 1, wherein, the tray assembly comprises a clamping assembly connected to the base body, the clamping assembly comprises a first clamping part and a second clamping part arranged in a transverse direction, and the first clamping part and the second clamping part are configured to be relatively close to each other in the transverse direction to jointly clamp the electric energy meter.

9. The tray assembly of claim 8, wherein, the base body comprises a first slot and a second slot arranged in a transverse direction, the first clamping part is elastically connected to the first slot, and the second clamping part is elastically connected to the second slot, so that the first clamping part and the second clamping part can be relatively close to each other in the transverse direction.

10. A testing device, characterized in that including: the tray assembly of any one of claims 1-9; and a detection assembly for detecting the electric energy meter carried on the tray assembly. ​

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