Test device for testing a drawer of a switchgear cabinet

Abstract

A test device for testing a drawer of a switchgear cabinet is provided, comprising: a frame; a plurality of interfaces for engaging with the drawer, disposed on the frame, the plurality of interfaces comprising a first interface and a second interface, the first interface and the second interface being positioned at different heights along a height direction, wherein the first interface is for engaging with a first drawer and the second interface is for engaging with a second drawer different from the first drawer; a tray configured to support the drawer; and a lifting mechanism connecting the frame and the tray, the lifting mechanism being configured to move the tray between a first height position allowing the first drawer to engage with the first interface and a second height position allowing the second drawer to engage with the second interface.

Description

Technical Field

[0001] This disclosure pertains to the electrical field, and specifically relates to a testing apparatus for testing drawers of switchgear. Background Technology

[0002] Drawer-type switchgear consists of retractable drawers, each integrating electrical components and forming an independent functional unit. Typically, during the commissioning phase, the assembled drawers need to be placed into the switchgear to test for problems (e.g., their wiring). If problems are discovered during commissioning, the process must be interrupted until the issue is resolved. Such interruptions can be frequent, resulting in longer production cycles for the switchgear.

[0003] To improve testing efficiency, some testing devices can be used to test the drawers to identify problems before the debugging phase.

[0004] Chinese utility model patent CN201360105Y discloses an inspection cart for a low-voltage switchgear drawer, wherein the power distribution cabinet has a test chamber on top, and the drawer can be pushed into the test chamber. However, this inspection cart is only suitable for a single type of drawer.

[0005] Chinese utility model patent CN212751600U discloses a testing device for a low-voltage switchgear drawer. The testing platform includes a frame, with a first sliding base plate mounted on the left end of the frame to support the drawer, and a second sliding base plate mounted on the right end of the frame to support a half-drawer. While this testing device is suitable for two types of drawers, its coverage area in a planar layout is larger due to its applicability to more drawer types, and the height and access methods of the drawers are limited by the frame. Utility Model Content

[0006] This disclosure provides a testing apparatus for testing drawers of a switch cabinet, comprising: a frame; a plurality of interfaces for engaging with the drawers, disposed on the frame, the plurality of interfaces including a first interface and a second interface, the first interface and the second interface being positioned at different heights along the height direction, wherein the first interface is for engaging with a first drawer and the second interface is for engaging with a second drawer different from the first drawer; a tray configured to support the drawers; and a lifting mechanism connecting the frame and the tray, the lifting mechanism being configured to move the tray between a first height position allowing the first drawer to engage with the first interface and a second height position allowing the second drawer to engage with the second interface.

[0007] In this disclosure, by setting a first interface and a second interface positioned at different heights, the coverage area of ​​the testing device in the planar layout will not increase due to the increase in the number of interface types, thereby saving factory space.

[0008] Furthermore, the plurality of interfaces also includes a third interface, wherein the second interface and the third interface are positioned at the same height, and the third interface is used to engage with a third drawer that is different from the first drawer and the second drawer; and the second height position allows the second drawer and the third drawer to engage with the second interface and the third interface respectively.

[0009] In this disclosure, by providing a third interface, the testing device can be adapted to more types of drawers, thereby avoiding the need to replace or modify the testing device due to incompatibility between the testing device and the drawer.

[0010] Furthermore, the testing device also includes a fourth interface, wherein the first interface and the fourth interface are positioned at the same height but oriented in different directions, the fourth interface being used to engage with the first drawer; and the first height position allows the first drawer to engage with the fourth interface simultaneously with the first interface.

[0011] In this disclosure, by providing a fourth interface, the testing device can be adapted to more types of drawers, thereby avoiding the need to replace or modify the testing device due to incompatibility between the testing device and the drawer.

[0012] Furthermore, the frame is configured to allow the drawer to be placed on and removed from the tray along its height.

[0013] In this disclosure, by allowing drawers to be placed on and removed from a tray along their height, users can easily access the drawers, thereby improving testing efficiency.

[0014] Furthermore, the frame includes a pair of limiting members arranged opposite each other in a width direction orthogonal to the height direction; and the tray is configured to be located between the pair of limiting members when in the first height position to prevent the drawer from falling off the tray along the width direction, and to extend from between the pair of limiting members when in the second height position to allow the drawer to be placed on and removed from the tray along the width direction.

[0015] In this disclosure, a pair of limiting members are provided, which can selectively limit the drawer according to the position of the tray. When the tray is in a first height position, the limiting members can prevent the drawer from falling off the tray, so that the drawer can be stably held on the tray. When the tray is in a second height position, the user can easily access the drawer, thereby improving testing efficiency.

[0016] Furthermore, the lifting mechanism is disposed between the pair of limiting members.

[0017] In this disclosure, by placing the lifting mechanism between a pair of limiting members, the limiting members can protect the lifting mechanism from the influence of the external environment, thus making the testing device highly reliable.

[0018] Furthermore, the testing apparatus further includes: a circuit system arranged in the frame; and a switch configured to electrically connect the corresponding interface to the circuit system in response to engagement of the drawer with the corresponding interface, and to disconnect the corresponding interface from the circuit system in response to disengagement of the drawer from the corresponding interface.

[0019] In this disclosure, by setting a switch, the circuit system can selectively supply power to the drawer according to the engagement between the opening and the drawer, thus making the testing device highly safe.

[0020] Furthermore, the testing device also includes a protective plate connected to the frame and covering the interface. The protective plate has an opening aligned with a connector of the interface, the opening being configured to receive a portion of the drawer that mates with the connector when the interface is engaged with a corresponding drawer.

[0021] In this disclosure, by incorporating a protective plate, the testing device can be made highly safe by preventing accidental contact with the interface by the user. Furthermore, the protective plate can also protect the interface from external environmental influences, thus enhancing the reliability of the testing device.

[0022] Furthermore, the protective plate is a transparent plate.

[0023] In this disclosure, by making the protective plate transparent, the user can observe the connection between the interface and the corresponding drawer through the protective plate, making the testing device easy to use.

[0024] Furthermore, the testing apparatus also includes a control panel configured to control the drawer via the interface; and the control panel is pivotally connected to the frame, allowing it to move relative to the frame between an open position exposing the circuitry arranged in the frame and a closed position concealing the circuitry.

[0025] In this disclosure, by enabling the control panel to pivot relative to the frame, the user can easily maintain the circuit system, thereby reducing the maintenance cost of the test device. Attached Figure Description

[0026] The accompanying drawings, which are included to provide a further understanding of this disclosure and form part of this disclosure, illustrate exemplary embodiments of the present disclosure and are used to explain the disclosure, but do not constitute an undue limitation of the disclosure. In the drawings:

[0027] Figure 1 This is a front view of a test apparatus for testing drawers of a switch cabinet according to an embodiment of the present disclosure, wherein the tray is at a first height position;

[0028] Figure 2 yes Figure 1 Left view of the test apparatus;

[0029] Figure 3 yes Figure 1 A top view of the testing apparatus;

[0030] Figure 4 yes Figure 1 Rear view of the test apparatus;

[0031] Figure 5 This is a front view of a test apparatus for testing drawers of a switch cabinet according to an embodiment of the present disclosure, wherein the tray is in a second height position;

[0032] Figure 6 yes Figure 5 Left view of the test apparatus.

[0033] Explanation of icon numbers:

[0034] 100. Framework;

[0035] 10a. Part One;

[0036] 10b. Part Two;

[0037] 110. Limiting components;

[0038] 111. The first opening;

[0039] 112. The second opening;

[0040] 200. Interface;

[0041] 20a. Connecting parts;

[0042] 210. First Interface;

[0043] 220. Second interface;

[0044] 230. Third interface;

[0045] 240. Fourth interface;

[0046] 300. Pallet;

[0047] 400. Lifting mechanism;

[0048] 500, switch;

[0049] 600, protective plate;

[0050] 610. Orifice;

[0051] 700. Control Panel;

[0052] 800, indicator lights;

[0053] 900. Casters;

[0054] P1, First Height Position;

[0055] P2, second altitude position;

[0056] L, length direction;

[0057] W, width direction;

[0058] H represents the height direction. Detailed Implementation

[0059] The technical solutions of the embodiments of this disclosure will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this disclosure, and not all of them. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit this disclosure or its application or use. All other embodiments obtained by those skilled in the art based on the embodiments of this disclosure without inventive effort are within the scope of protection of this disclosure.

[0060] It should be noted that the terminology used herein is for the purpose of describing particular implementations only and is not intended to limit the exemplary implementations according to this disclosure. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise.

[0061] The following is for reference. Figures 1 to 6 Description of embodiments according to this disclosure.

[0062] Figure 1 This is a front view of a test apparatus for testing a drawer of a switch cabinet according to an embodiment of the present disclosure, wherein the tray is in a first height position. Figure 2 yes Figure 1 Left view of the test apparatus. Figure 3 yes Figure 1 A top view of the testing apparatus. Figure 4 yes Figure 1 Rear view of the test apparatus. Figure 5 This is a front view of a test apparatus for testing a drawer of a switch cabinet according to an embodiment of the present disclosure, wherein the tray is in a second height position. Figure 6 yes Figure 5 Left view of the test apparatus.

[0063] refer to Figures 1 to 6 This disclosure provides a testing apparatus for testing drawers of a switch cabinet, comprising: a frame 100; a plurality of interfaces 200 for engaging with drawers (not shown), disposed on the frame 100, the plurality of interfaces 200 including a first interface 210 and a second interface 220, the first interface 210 and the second interface 220 being positioned at different heights along the height direction H, wherein the first interface 210 is used to engage with a first drawer, and the second interface 220 is used to engage with a second drawer different from the first drawer; a tray 300 configured to support the drawer; and a lifting mechanism 400 connecting the frame 100 and the tray 300, the lifting mechanism 400 being configured to position the tray 300 at a first height position P1 allowing the first drawer to engage with the first interface 210 (see [reference]). Figures 1 to 4 ) and the second height position P2 that allows the second drawer to engage with the second interface 220 (see Figure 5 and Figure 6 Move between ).

[0064] As an example, the first drawer can be what is commonly referred to as an N-type drawer, and the second drawer can be what is commonly referred to as a Q-type drawer. It should be understood that the difference between one drawer and another means that the type of interface that engages with the two drawers is different, and is not intended to limit other features of the drawers. For example, two different drawers may have approximately the same dimensions and / or be able to perform approximately the same function.

[0065] As an example, pallet 300 can be a sheet material perpendicular to the height direction H. For instance, pallet 300 can be a generally rectangular metal sheet.

[0066] As an example, the lifting mechanism 400 may include a hydraulic cylinder. For instance, the hydraulic cylinder may be connected to the pallet 300 via a scissor mechanism.

[0067] As an example, the first height position P1 can be lower than the second height position P2. For instance, the distance between the first height position P1 and the second height position P2 can be greater than or equal to the dimension of the first interface 210 in the height direction H.

[0068] As an example, the testing apparatus may also include casters 900. For instance, multiple casters 900 may be mounted on the bottom of the frame 100.

[0069] In this disclosure, by setting a first interface 210 and a second interface 220 positioned at different heights, the coverage area of ​​the testing device in the planar layout will not increase due to the increase in the number of interface types, thereby saving factory space.

[0070] refer to Figure 1 and Figure 5 The plurality of interfaces 200 also includes a third interface 230. The second interface 220 and the third interface 230 are positioned at the same height, and the third interface 230 is used to engage with a third drawer that is different from the first drawer and the second drawer. The second height position P2 allows the second drawer and the third drawer to engage with the second interface 220 and the third interface 230, respectively.

[0071] As an example, the second and third drawers can be Q-type drawers with different modules. Here, "module" is a unit of measurement for the drawer's dimensions in the height direction H, which can be defined according to the actual needs of the product. For example, in this example, "one module" can be 70mm. In this case, the first drawer can be an N-type drawer with three to ten modules, the second drawer can be a Q-type drawer with four modules, and the third drawer can be a Q-type drawer with three modules.

[0072] As an example, the second interface 220 and the third interface 230 can be arranged side by side in the width direction W. For example, the size of the first interface 210 in the width direction W can be approximately equal to the sum of the size of the second interface 220 in the width direction W and the size of the third interface 230 in the width direction W.

[0073] In this disclosure, by providing a third interface 230, the testing device can be adapted to more types of drawers, thereby avoiding the need to replace or modify the testing device due to incompatibility between the testing device and the drawer.

[0074] refer to Figure 1 and Figure 3 The testing apparatus also includes a fourth interface 240. The first interface 210 and the fourth interface 240 are positioned at the same height but oriented in different directions. The fourth interface 240 is used to engage with the first drawer. A first height position P1 allows the first drawer to engage with the fourth interface 240 simultaneously with the first interface 210.

[0075] As an example, the first interface 210 and the fourth interface 240 can be oriented in mutually orthogonal directions. For instance, the first interface 210, the second interface 220, and the third interface 230 can be oriented in the length direction L, and the fourth interface 240 can be oriented in the width direction W. Here, the length direction L, the width direction W, and the height direction H are mutually orthogonal.

[0076] As an example, the first interface 210 can be a power interface, and the fourth interface 240 can be a control interface.

[0077] In this disclosure, by providing a fourth interface 240, the testing device can be adapted to more types of drawers, thereby avoiding the need to replace or modify the testing device due to incompatibility between the testing device and the drawer.

[0078] refer to Figure 1 , Figure 2 , Figure 5 as well as Figure 6 The frame 100 is configured to allow the drawer to be placed on and removed from the tray 300 along the height direction H.

[0079] As an example, no part of the frame 100 faces the surface of the pallet 300 that is away from the lifting mechanism 400. Figure 1 , Figure 2 , Figure 5 as well as Figure 6 (The upper surface of the middle). For example, such as Figure 3 As shown, the frame 100 may include a first part 10a and a second part 10b offset in the length direction L, wherein the first interface 210, the second interface 220 and the third interface 230 may be provided in the first part 10a, and the fourth interface 240, the tray 300 and the lifting mechanism 400 may be provided in the second part 10b.

[0080] Here, "one and the other are offset in one direction" means that the two do not have parts in the same position in that direction.

[0081] In this disclosure, by allowing the drawer to be placed on and removed from the tray 300 along the height direction H, the user can easily access the drawer, thereby improving testing efficiency.

[0082] refer to Figures 1 to 3 as well as Figure 5 and Figure 6The frame 100 includes a pair of limiting members 110 arranged opposite each other in a width direction W orthogonal to the height direction H. The tray 300 is configured to be positioned between the pair of limiting members 110 in a first height position P1 to prevent the drawer from falling off the tray 300 along the width direction W, and to extend from between the pair of limiting members 110 in a second height position P2 to allow the drawer to be placed on and removed from the tray 300 along the width direction W.

[0083] As an example, frame 100 can be configured to allow drawers to be placed on and removed from tray 300 along both the height direction H and the length direction L. For instance, a pair of limiting members 110 can define a first opening 111 and a second opening 112 therebetween, wherein the first opening 111 can be oriented in the height direction H and the second opening 112 can be oriented in the length direction L. When tray 300 is in a first height position, drawers can be placed on and removed from tray 300 along the height direction H via the first opening 111, and drawers can be placed on and removed from tray 300 along the length direction L via the second opening 112.

[0084] As an example, one method for testing the first drawer may include: positioning the tray 300 at a first height position P1; placing the first drawer on the tray 300 to test the first drawer; and removing the first drawer from the tray 300 after the test is completed. In other words, in this method, the tray 300 can always be maintained at the first height position P1.

[0085] As an example, another method for testing the first drawer may include: positioning the tray 300 at a second height position P2 to place the first drawer on the tray 300; moving the tray 300 from the second height position P2 to a first height position P1 to test the first drawer; and after the test is completed, returning the tray 300 from the first height position P1 to the second height position P2 to remove the first drawer from the tray 300.

[0086] As an example, a method for testing a second drawer (and / or a third drawer) may include: positioning the tray 300 at a second height position P2; placing the second drawer on the tray 300 to test the second drawer; and removing the second drawer from the tray 300 after the test is completed. In other words, in this method, the tray 300 can always be maintained at the second height position P2.

[0087] As an example, another method for testing the second drawer (and / or the third drawer) may include: positioning the tray 300 at a first height position P1 to place the second drawer on the tray 300; moving the tray 300 from the first height position P1 to a second height position P2 to test the second drawer; and after the test is completed, returning the tray 300 from the second height position P2 to the first height position P1 to remove the second drawer from the tray 300.

[0088] In this disclosure, by providing a pair of limiting members 110, the limiting members 110 can selectively limit the drawer according to the position of the tray 300. When the tray 300 is at a first height position P1, the limiting members 110 can prevent the drawer from falling off the tray 300, so that the drawer can be stably held on the tray 300. When the tray 300 is at a second height position P2, the user can easily access the drawer, thereby improving testing efficiency.

[0089] refer to Figure 1 , Figure 2 , Figure 5 as well as Figure 6 The lifting mechanism 400 is positioned between a pair of limiting components 110.

[0090] As an example, the lifting mechanism 400 can be configured to be entirely located between a pair of limiting members 110 when the pallet 300 is in a first height position P1, and to partially extend from the pair of limiting members 110 when the pallet 300 is in a second height position P2. For example, in the case where the lifting mechanism 400 includes a scissor lift structure, the scissor lift structure can extend partially from between the pair of limiting members 110 when the pallet 300 is in the second height position P2.

[0091] In other instances, the lifting mechanism 400 may be configured to be integrally located between a pair of limiting members 110 when the pallet 300 is at both the first height position P1 and the second height position P2. This can be achieved, for example, by increasing the dimension of the limiting members 110 in the height direction H.

[0092] In this disclosure, by placing the lifting mechanism 400 between a pair of limiting members 110, the limiting members 110 can protect the lifting mechanism 400 from the influence of the external environment, thus making the testing device highly reliable.

[0093] refer to Figure 1 and Figure 5The testing apparatus also includes: a circuit system arranged in the frame 100; and a switch 500 configured to electrically connect the corresponding interface 200 to the circuit system in response to the drawer engaging with the corresponding interface 200, and to disconnect the corresponding interface 200 from the circuit system in response to the drawer disengaging from the corresponding interface 200.

[0094] As an example, switch 500 can be a limit switch, which can be configured to contact the drawer when the drawer is engaged with the corresponding interface 200, and to separate from the drawer when the drawer is disengaged from the corresponding interface 200. It should be understood that switch 500 is not limited to a limit switch, and can be, for example, a proximity switch.

[0095] In this disclosure, by setting switch 500, the circuit system can selectively supply power to the drawer according to the engagement between the opening and the drawer, thus making the test device highly safe.

[0096] refer to Figure 1 and Figure 5 The testing apparatus also includes a protective plate 600, which is connected to the frame 100 and covers the interface 200. The protective plate 600 is provided with an opening 610 that aligns with the connector 20a of the interface 200. The opening 610 is configured to receive the portion of the drawer that mates with the connector 20a when the interface 200 is engaged with the corresponding drawer.

[0097] As an example, connector 20a can be a pin, and the drawer can include a socket for receiving the pin. For instance, connector 20a can contain copper, meaning connector 20a can be what is commonly referred to as a copper lead. Of course, in other instances, connector 20a can be a socket, and the drawer can include pins for insertion into the socket.

[0098] In this disclosure, by providing a protective plate 600, the protective plate 600 can prevent users from accidentally touching the interface 200, thus giving the testing device a high level of safety. Furthermore, the protective plate 600 can also protect the interface 200 from the influence of the external environment, thus giving the testing device a high level of reliability.

[0099] refer to Figure 1 and Figure 5 The protective panel 600 is a transparent panel.

[0100] As an example, the protective panel 600 can be made of plastic, such as plexiglass.

[0101] In this disclosure, by making the protective plate 600 transparent, the user can observe the connection between the interface 200 and the corresponding drawer through the protective plate 600, making the testing device easy to use.

[0102] refer to Figure 1 and Figure 5 The testing apparatus also includes a control panel 700 configured to control the drawer via an interface 200. The control panel 700 is pivotally connected to the frame 100, allowing it to move relative to the frame 100 between an open position exposing the circuitry arranged in the frame 100 and a closed position concealing the circuitry.

[0103] As an example, the control panel 700 can be configured to be oriented in the length direction L when in the closed position. For instance, the control panel 700 can be hinged to the first part 10a of the frame 100 and can be substantially in the same plane as the first interface 210, the second interface 220, and the third interface 230 when in the closed position.

[0104] In this disclosure, by enabling the control panel 700 to pivot relative to the frame 100, the user can easily maintain the circuit system, thereby reducing the maintenance cost of the test device.

[0105] refer to Figures 1 to 6 The testing device also includes an indicator light 800, which is configured to indicate different states of the testing device by emitting light of different colors.

[0106] As an example, indicator light 800 can emit at least three colors of light, such as the three colors of light can be used to indicate working status, standby status and abnormal status respectively.

[0107] In this disclosure, by setting an indicator light 800, the user can easily determine the status of the testing device (e.g., whether the testing device is powered on) based on the indicator light 800, thus making the testing device highly safe.

[0108] The above are merely preferred embodiments of this disclosure. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principles of this disclosure, and these improvements and modifications should also be considered within the scope of protection of this disclosure.

Claims

1. A testing device for testing drawers of a switch cabinet, characterized in that, include: Frame (100); Multiple interfaces (200) for engaging with the drawer are provided on the frame (100). The multiple interfaces (200) include a first interface (210) and a second interface (220). The first interface (210) and the second interface (220) are positioned at different heights along the height direction (H). The first interface (210) is used to engage with a first drawer, and the second interface (220) is used to engage with a second drawer that is different from the first drawer. Tray (300), configured to support the drawer; and A lifting mechanism (400) connects the frame (100) and the tray (300), the lifting mechanism (400) being configured to move the tray (300) between a first height position (P1) allowing the first drawer to engage with the first interface (210) and a second height position (P2) allowing the second drawer to engage with the second interface (220).

2. The testing apparatus according to claim 1, characterized in that, The plurality of interfaces (200) further includes a third interface (230), wherein the second interface (220) and the third interface (230) are positioned at the same height, and the third interface (230) is used to engage with a third drawer that is different from the first drawer and the second drawer; and The second height position (P2) allows the second drawer and the third drawer to engage with the second interface (220) and the third interface (230), respectively.

3. The testing apparatus according to claim 1, characterized in that, The testing device further includes a fourth interface (240), wherein the first interface (210) and the fourth interface (240) are positioned at the same height but oriented in different directions, and the fourth interface (240) is used to engage with the first drawer; and The first height position (P1) allows the first drawer to engage with the fourth interface (240) at the same time as it engages with the first interface (210).

4. The testing apparatus according to any one of claims 1 to 3, characterized in that, The frame (100) is configured to allow the drawer to be placed on and removed from the tray (300) along the height direction (H).

5. The testing apparatus according to any one of claims 1 to 3, characterized in that, The frame (100) includes a pair of limiting members (110) arranged opposite each other in a width direction (W) orthogonal to the height direction (H); and The tray (300) is configured to be positioned between the pair of limiting members (110) when in the first height position (P1) to prevent the drawer from falling off the tray (300) along the width direction (W), and to extend between the pair of limiting members (110) when in the second height position (P2) to allow the drawer to be placed on and removed from the tray (300) along the width direction (W).

6. The testing apparatus according to claim 5, characterized in that, The lifting mechanism (400) is disposed between the pair of limiting members (110).

7. The testing apparatus according to any one of claims 1 to 3, characterized in that, The testing apparatus also includes: The circuit system is arranged in the frame (100); and A switch (500) is configured to electrically connect the corresponding interface (200) to the circuit system in response to engagement of the drawer with the corresponding interface (200), and to disconnect the corresponding interface (200) from the circuit system in response to disengagement of the drawer from the corresponding interface (200).

8. The testing apparatus according to any one of claims 1 to 3, characterized in that, The testing apparatus further includes a protective plate (600) connected to the frame (100) and covering the interface (200). The protective plate (600) is provided with an opening (610) aligned with a connector (20a) of the interface (200). The opening (610) is configured to receive a portion of the drawer that mates with the connector (20a) when the interface (200) engages with a corresponding drawer.

9. The testing apparatus according to claim 8, characterized in that, The protective plate (600) is a transparent plate.

10. The testing apparatus according to any one of claims 1 to 3, characterized in that, The testing apparatus further includes a control panel (700) configured to control the drawer via the interface (200); and The control panel (700) is pivotally connected to the frame (100) such that the control panel (700) is movable relative to the frame (100) between an open position exposing the circuitry arranged in the frame (100) and a closed position covering the circuitry.

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