CN219533240U

CN219533240U - Test cabinet

Info

Publication number: CN219533240U
Application number: CN202320612007.3U
Authority: CN
Inventors: 陈智; 王伟
Original assignee: Sungrow Power Supply Co Ltd
Current assignee: Sungrow Power Supply Co Ltd
Priority date: 2023-03-23
Filing date: 2023-03-23
Publication date: 2023-08-15
Anticipated expiration: 2033-03-23

Abstract

The utility model provides a test cabinet. The test cabinet includes: a cabinet body defining an accommodation space; the first test element and the second test element are positioned in the accommodating space and are sequentially arranged in the horizontal direction; and a power module located in the accommodation space and configured to have a first state electrically connected to the first test element and the second test element, respectively, and a second state electrically disconnected from the first test element and the second test element, respectively. The technical scheme of the utility model can integrate a plurality of test elements to form an independent test cabinet, and is suitable for ageing tests of different products.

Description

Test cabinet

Technical Field

The utility model relates to the technical field of cabinets, in particular to a test cabinet.

Background

When the aging test is carried out, the household energy storage product aging test needs to be used for a transformer, an inverter and a power module, and the household photovoltaic product aging test only needs the power module.

At present, the existing test cabinets are independent systems of all test elements, namely, a transformer, an inverter and a power module are respectively arranged in three independent test cabinets, when aging test is carried out on products, test stations are firstly required to be built, namely, the three test cabinets containing the required test elements are concentrated together, and all the test elements are electrically connected through wires. When testing, the test station needs to be built and disassembled every time, and the operation is complex.

Disclosure of Invention

The utility model mainly aims to provide a test cabinet to solve the problem that in the prior art, when a product is subjected to aging test, a test station needs to be built and disassembled, so that the operation is inconvenient.

To achieve the above object, according to one aspect of the present utility model, there is provided a test cabinet comprising: a cabinet body defining an accommodation space; the first test element and the second test element are positioned in the accommodating space and are sequentially arranged in the horizontal direction; and a power module located in the accommodation space and configured to have a first state electrically connected to the first test element and the second test element, respectively, and a second state electrically disconnected from the first test element and the second test element, respectively.

Further, the first test element is an inverter, the second test element is a transformer, and the inverter and the transformer are arranged at intervals in the first direction in the horizontal direction.

Further, the test cabinet further comprises a transformer base and a bottom plate which are arranged at the bottom of the cabinet body, the transformer base and the bottom plate are sequentially arranged in the horizontal direction or the vertical direction, the second test element is located on the transformer base, and the first test element is located on the bottom plate.

Further, the transformer base comprises two mounting plates extending along the first direction, the two mounting plates are arranged at intervals along the second direction forming an included angle with the first direction, and the bottom plate is positioned on the transformer base and covers part of the transformer base.

Further, the test cabinet further comprises: the fan is positioned in the accommodating space and connected with the cabinet body; the front sealing plate is arranged on one side of the cabinet body and faces the fan; the back shrouding sets up in the one side of the cabinet body and set up relatively with the front shrouding, has all seted up a plurality of louvres on front shrouding and the back shrouding.

Further, the test cabinet further comprises a fan mounting plate, and the fan mounting plate and the power supply module are arranged at intervals in the vertical direction; and/or one of the first test element and the second test element is vertically spaced from the fan mounting plate.

Further, the test cabinet further comprises an air circuit breaker and an air-break mounting plate which is positioned in the accommodating space and connected with the cabinet body, wherein the air-break mounting plate is used for mounting the air circuit breaker, and the power module and the air circuit breaker are arranged at intervals in the vertical direction.

Further, the first test element and/or the second test element are multiple, and the multiple first test elements and/or the multiple second test elements are sequentially arranged along the vertical direction.

Further, the cabinet body comprises a plurality of upright posts, an underframe arranged at one end of the upright posts and at least two main beams arranged at the other end of the upright posts; the test cabinet also comprises at least two supporting beams arranged between the underframe and the main beam, and the two supporting beams are positioned on two opposite sides of the cabinet body.

Further, the test cabinet further comprises a mounting structure, the mounting structure comprises two mounting pieces which are oppositely arranged, the two mounting pieces are respectively arranged on one sides of the two supporting beams, which are close to each other, and the mounting structure is used for mounting the power module.

By applying the technical scheme of the utility model, the power supply module is positioned at the top of the accommodating space and is respectively and electrically connected with the first test element and the second test element, the first test element is an inverter, the second test element is a transformer, and the inverter and the transformer are arranged at intervals along the first direction in the horizontal direction. Integrating the power module, the first test element and the second test element into a cabinet body, and forming a test station by an independent test cabinet; and the electric wires only need to be distributed in the cabinet body, compared with the prior art in which three independent test cabinets are arranged, the electric circuit is shorter, and the stability of electric control can be improved. In addition, during later maintenance or renovation, a plurality of test cabinets are not required to be maintained respectively, and the operation is convenient. When the household energy storage product is tested, the test cabinet is an independent single station, and the power module, the inverter and the transformer perform the test under the combined action, namely the power module is in a first state; when the household photovoltaic product is tested, the power module is cut off from being electrically connected with the inverter and the transformer, so that an independent single station for testing the household photovoltaic product can be formed, and the power module is in a second state.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 shows a schematic structural view of an embodiment of a test rack according to the present utility model;

FIG. 2 shows an assembled schematic view of the test rack of FIG. 1;

FIG. 3 illustrates a front view of the test enclosure of FIG. 2;

FIG. 4 illustrates a rear view of the test rack of FIG. 2; and

fig. 5 illustrates a bottom view of the test enclosure of fig. 2.

Wherein the above figures include the following reference numerals:

1. a column; 10. an air-break mounting plate; 11. a fan mounting plate; 12. a first test element; 13. a second test element; 14. a transformer base; 141. a mounting plate; 15. a bottom plate; 16. a baffle; 2. a chassis; 201. a vertical plate section; 202. a horizontal plate section; 203. a cross beam; 21. a mounting member; 3. a main beam; 4. a top plate; 5. a door panel; 6. a front sealing plate; 7. a rear sealing plate; 8. a support beam; 9. a power module; 100. a cabinet body; 101. an accommodation space.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

As shown in fig. 1-5, embodiments of the present utility model provide a test rack. The test cabinet includes: a cabinet 100 defining an accommodation space 101; a first test element 12 and a second test element 13 are located in the accommodation space 101, and the first test element 12 and the second test element 13 are disposed in order in the horizontal direction; and a power module 9 located in the accommodation space 101, and the power module 9 is configured to have a first state electrically connected to the first test element 12 and the second test element 13, respectively, and a second state electrically disconnected from the first test element 12 and the second test element 13, respectively.

In the above-described technical solution, the power module 9 is located at the top of the accommodating space 101, and the power module 9 is electrically connected with the first test element 12 and the second test element 13, respectively, the first test element 12 is an inverter, the second test element 13 is a transformer, and the inverter and the transformer are arranged at intervals in the first direction in the horizontal direction. Integrating the power module 9, the first test element 12 and the second test element 13 into a single cabinet, a single test cabinet can form a test station; and the electric wires only need to be distributed in the cabinet body 100, compared with the prior art in which three independent test cabinets are arranged, the electric circuit is shorter, and the stability of electric control can be improved. In addition, during later maintenance and renovation, a plurality of test cabinets are not required to be maintained respectively, and the operation is convenient.

Through the arrangement, when the household energy storage product is tested, the test cabinet is in an independent single station, and the power module, the inverter and the transformer perform the test under the combined action, namely the power module 9 is in the first state; when the household photovoltaic product is tested, the module source is cut off from being electrically connected with the inverter and the transformer, so that an independent single station for testing the household photovoltaic product can be formed, and the power module 9 is in the second state.

In another embodiment of the utility model, the first test element 12 is an inverter and the second test element 13 is a reactor when testing a consumer photovoltaic product.

In one embodiment of the utility model, the inverter is a SG type 0.3KVA-6KVA transformer and the transformer is a SG type 7KVA-80KVA transformer.

As shown in fig. 1 and 5, in the embodiment of the present utility model, the test cabinet further includes a transformer base 14 and a bottom plate 15 disposed at the bottom of the cabinet body 100, the transformer base 14 and the bottom plate 15 are sequentially disposed in a horizontal direction or a vertical direction, the second test element 13 is located on the transformer base 14, and the first test element 12 is located on the bottom plate 15. In the above-described embodiment, the transformer base 14 includes two mounting plates 141 extending in a first direction, the two mounting plates 141 being spaced apart in a second direction forming an angle with the first direction, and the bottom plate 15 is disposed on the transformer base 14 and covers a portion of the transformer base 14.

With the above arrangement, the transformer base 14 can carry a transformer having a large weight, and the bottom plate 15 is used for carrying an inverter. The two mounting plates 141 are arranged at intervals, and can radiate heat.

As shown in fig. 1, in the embodiment of the present utility model, the cabinet 100 includes a plurality of columns 1, a bottom frame 2 provided at one end of the plurality of columns 1, and at least two main beams 3 provided at the other end of the plurality of columns 1; the test cabinet further comprises at least two support beams 8 arranged between the chassis 2 and the main beams 3, the two support beams 8 being located on opposite sides of the cabinet body 100.

In the above technical scheme, door plant 5 is all installed to the both sides of four stand 1, and front shroud 6 is installed to the front side of four stand 1, and back shroud 7 is installed to the rear side of four stand 1, and front shroud 6 is one, and back shroud 7 is three, and the equal array is provided with the heat dissipation through-hole on front shroud 6 and the back shroud 7, and the top of two girders 3 is provided with roof 4. The number of the supporting beams 8 is four, two supporting beams are arranged on one side of the cabinet body 100, and the other two supporting beams are arranged on the other side of the cabinet body 100. The terminal surface of power module 9 and preceding shrouding 6 arrange in proper order along vertical direction, and test rack still includes two baffles 16 that set up in the both sides of preceding shrouding 6, and one side of every baffle 16 is connected with the cabinet body 100, and the opposite side of every baffle 16 is connected with power module 9 and preceding shrouding 6.

Through the above arrangement, the chassis 2, the main beam 3 and the support beam 8 can effectively increase the strength of the cabinet 100.

As shown in fig. 1, in the embodiment of the present utility model, the test cabinet further includes a mounting structure including two oppositely disposed mounting members 21, the two mounting members 21 being disposed on sides of the two support beams 8, respectively, which are adjacent to each other, and the mounting structure being used for mounting the power module 9.

In the above technical solution, the test cabinet includes three mounting structures arranged at intervals along the vertical direction, each mounting member 21 includes a vertical plate section 201 and a horizontal plate section 202 connected, and the mounting structure located at the uppermost is used for mounting the power module 9.

As shown in fig. 1, in the embodiment of the present utility model, the test cabinet further includes a cross beam 203, wherein a cross beam 203 is disposed between two adjacent mounting members 21, one end of the cross beam 203 is connected to the upright 1, and the other end of the cross beam 203 is connected to the support beam 8.

As shown in fig. 1 to 4, in an embodiment of the present utility model, the test cabinet further includes: the fan is positioned in the accommodating space 101 and is connected with the cabinet body 100; a front sealing plate 6 disposed at one side of the cabinet 100 and facing the blower; the back shrouding 7 sets up in the one side of the cabinet body 100 and sets up with preceding shrouding 6 relatively, has all offered a plurality of louvres on preceding shrouding 6 and the back shrouding 7.

Through the arrangement, an independent heat dissipation air channel is formed inside the test cabinet, and the fan is used for carrying out turbulence inside the cabinet body to cool down the heat dissipation. Compared with the scheme of completely relying on natural heat dissipation in the prior art, the fan is arranged to avoid the problem that the cabinet is over-temperature-protected due to the fact that a direct current source is over-temperature, and then the test is affected.

As shown in fig. 1, in the embodiment of the present utility model, the test cabinet further includes a fan mounting plate 11, and the fan mounting plate 11 and the power module 9 are arranged at intervals in the vertical direction.

In the above technical solution, the fan mounting plate 11 is mounted on a cross beam 203, and two fan mounting holes for mounting fans are formed in the fan mounting plate 11. Therefore, the space can be saved, and the layout is reasonable.

In another embodiment of the present utility model, one of the first test element 12 and the second test element 13 is spaced apart from the fan mounting plate 11 in the vertical direction.

As shown in fig. 1, in the embodiment of the present utility model, the test cabinet further includes an air circuit breaker and an air-break mounting plate 10 located in the accommodation space 101 and connected to the cabinet body 100, the air-break mounting plate 10 is used for mounting the air circuit breaker, and the power module 9 and the air circuit breaker are arranged at intervals in a vertical direction.

In the above-described embodiment, the air-break mounting plate 10 is mounted on one of the cross members 203.

In one embodiment of the present utility model, the first test element 12 and/or the second test element 13 are plural, and the plural first test elements 12 and/or the plural second test elements 13 are arranged in order in the horizontal direction. Of course, the plurality of first test elements 12 and/or the plurality of second test elements 13 may also be arranged in succession in the vertical direction.

Through the arrangement, according to the number of the required test elements, the test elements can be directly stacked in the test cabinet during station extension without a new station.

In one embodiment of the utility model, when a test station is needed, the test station is built more efficiently by only overlapping the upper side or the left side and the right side of the transformer and the inverter.

From the above description, it can be seen that the above embodiments of the present utility model achieve the following technical effects: the power module is located at the top of the accommodating space, and is electrically connected with the first test element and the second test element respectively, the first test element is an inverter, the second test element is a transformer, and the inverter and the transformer are arranged at intervals along the first direction in the horizontal direction. The power supply module, the first test element and the second test element are integrated in one test cabinet, and one independent test cabinet can form one test station, so that on one hand, the test station is not required to be built during testing; on the other hand, an independent test cabinet forms an independent electrical system, so that the stability of electrical control can be improved, and the wires only need to be laid out in the cabinet body, and the electrical circuit is short. In addition, during later maintenance and renovation, a plurality of test cabinets are not required to be maintained respectively, and the operation is convenient. Meanwhile, according to different numbers of required test elements, the test elements can be directly stacked in the test cabinet during station extension without a new station. One test cabinet can also meet the test scheme requirements of different products. When the household energy storage product is tested, the test cabinet is an independent single station, and the power module, the inverter and the transformer perform the test under the combined action, namely the power module is in a first state; when the household photovoltaic product is tested, the module source is cut off from being electrically connected with the inverter and the transformer, so that an independent single station for testing the household photovoltaic product can be formed, and the power module is in a second state; when the need for expanding the production is urgent, two power supply modules can be added, which is equivalent to directly adding two ageing stations.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A test rack, comprising:

a cabinet (100) defining an accommodation space (101);

a first test element (12) and a second test element (13) located in the accommodation space (101), and the first test element (12) and the second test element (13) are sequentially arranged in the horizontal direction; and

a power module (9) is located within the receiving space (101), and the power module (9) is configured to have a first state electrically connected to the first test element (12) and the second test element (13), respectively, and a second state electrically disconnected from the first test element (12) and the second test element (13), respectively.

2. The test cabinet according to claim 1, wherein the first test element (12) is an inverter, the second test element (13) is a transformer, and the inverter and the transformer are arranged at intervals along a first direction in the horizontal direction.

3. The test cabinet according to claim 2, further comprising a transformer base (14) and a bottom plate (15) arranged at the bottom of the cabinet body (100), the transformer base (14) and the bottom plate (15) being arranged in sequence in a horizontal direction or in a vertical direction, the second test element (13) being located on the transformer base (14), the first test element (12) being located on the bottom plate (15).

4. A test cabinet according to claim 3, wherein the transformer base (14) comprises two mounting plates (141) extending in the first direction, the two mounting plates (141) being spaced apart in a second direction at an angle to the first direction, the bottom plate (15) being located on the transformer base (14) and covering a part of the transformer base (14).

5. The test enclosure of any one of claims 1-4, further comprising:

the fan is positioned in the accommodating space (101) and is connected with the cabinet body (100);

a front sealing plate (6) arranged on one side of the cabinet body (100) and facing the fan;

the rear sealing plate (7) is arranged on one side of the cabinet body (100) and is opposite to the front sealing plate (6), and a plurality of heat dissipation holes are formed in the front sealing plate (6) and the rear sealing plate (7).

6. The test cabinet according to claim 5, further comprising a fan mounting plate (11), the fan mounting plate (11) and the power supply module (9) being arranged at intervals in a vertical direction; and/or one of the first test element (12) and the second test element (13) is arranged at a distance from the fan mounting plate (11) in the vertical direction.

7. The test cabinet according to any one of claims 1 to 4, further comprising an air circuit breaker and an air-break mounting plate (10) located in the accommodation space (101) and connected to the cabinet body (100), the air-break mounting plate (10) being for mounting the air circuit breaker, and the power module (9) and the air circuit breaker being arranged at intervals in a vertical direction.

8. The test cabinet according to any one of claims 1 to 4, wherein the first test element (12) and/or the second test element (13) are plural, the plural first test elements (12) and/or the second test elements (13) being arranged in sequence in a vertical direction.

9. The test cabinet according to any one of claims 1 to 4, wherein the cabinet body (100) comprises a plurality of upright posts (1), a bottom frame (2) arranged at one end of the plurality of upright posts (1), and at least two main beams (3) arranged at the other end of the plurality of upright posts (1); the test cabinet further comprises at least two supporting beams (8) arranged between the underframe (2) and the main beam (3), and the two supporting beams (8) are positioned on two opposite sides of the cabinet body (100).

10. The test cabinet according to claim 9, further comprising a mounting structure comprising two oppositely arranged mounting members (21), the two mounting members (21) being arranged on mutually adjacent sides of the two support beams (8), respectively, the mounting structure being adapted to mount the power supply modules (9).