CN222168115U - A junction box for transformer - Google Patents
A junction box for transformer Download PDFInfo
- Publication number
- CN222168115U CN222168115U CN202323333004.5U CN202323333004U CN222168115U CN 222168115 U CN222168115 U CN 222168115U CN 202323333004 U CN202323333004 U CN 202323333004U CN 222168115 U CN222168115 U CN 222168115U
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- 238000009434 installation Methods 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 description 11
- 238000005452 bending Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Connection Or Junction Boxes (AREA)
Abstract
本实用新型提出了一种变压器使用的接线盒，涉及变压器接线盒技术领域。该接线盒包括盒体、动力接头、信号接头和盖板，盒体与变压器固定连接，盒体上开设有多个安装孔，安装孔分布在盒体的不同面上；动力接头通过多个安装孔的其中一个与盒体固定连接，动力接头用于向变压器输入高压电源；信号接头通过多个安装孔的其中一个与盒体固定连接，信号接头用于向控制柜输出变压器工作信号；盖板用于封堵其他未使用的安装孔。在盒体的不同面上设置多个安装孔，安装特定型号的动力接头和信号接头时，选择接头尺寸相匹配的安装孔，将接头通过这个安装孔固定在盒体上，将其他未使用的安装孔用盖板封堵，从而使该接线盒能够适应连接安装不同型号的接头。
The utility model proposes a junction box for transformers, and relates to the technical field of transformer junction boxes. The junction box includes a box body, a power connector, a signal connector and a cover plate. The box body is fixedly connected to the transformer, and a plurality of mounting holes are provided on the box body, and the mounting holes are distributed on different surfaces of the box body; the power connector is fixedly connected to the box body through one of the plurality of mounting holes, and the power connector is used to input high-voltage power to the transformer; the signal connector is fixedly connected to the box body through one of the plurality of mounting holes, and the signal connector is used to output transformer working signals to the control cabinet; the cover plate is used to block other unused mounting holes. A plurality of mounting holes are arranged on different surfaces of the box body. When installing a specific type of power connector and signal connector, a mounting hole with matching connector size is selected, and the connector is fixed to the box body through the mounting hole, and other unused mounting holes are blocked with the cover plate, so that the junction box can adapt to the connection and installation of connectors of different types.
Description
Technical Field
The utility model relates to the technical field of transformer junction boxes, in particular to a junction box for a transformer.
Background
The transformer is mainly used in equipment such as induction heating, induction smelting, power supply and the like in industrial production. Its main function is to transform the input voltage to the desired voltage and the output voltage can be changed by adjusting the number of turns of the winding. The junction box is a device for connecting a transformer and an electrical device, and is used for connecting a high-voltage or low-voltage output of the transformer with the electrical device so as to realize normal operation of the electrical device. The main purpose of the junction box is to protect the wire connection point from the damage caused by external environmental factors (such as moisture, dust, etc.) to the wire connection point, so that the stability and long-term reliability of the wire connection point can be ensured, and the failure rate can be reduced. Meanwhile, the junction box can also effectively manage the wires, so that the wiring is orderly, entanglement and intersection among the wires are reduced, and the fault risk caused by short circuit or poor contact among the wires is reduced. In addition, the junction box can also avoid the wire to drop or fracture because of external force pulls. In some cases, the junction box can also play a transitional role, is used for connecting the wire tube and the wiring terminal, protects the wires and the connecting wires, and provides convenience for installation and maintenance of electrical fittings.
The Chinese patent literature with the authorized bulletin number of CN215578017U provides a waterproof type composite junction box for an electronic transformer, which comprises a box bottom and a box cover, wherein the box cover and the box bottom of the junction box are fixed tightly, and a sealing rubber ring is arranged, so that the box cover and the box bottom cannot loosen in the use process of the junction box, and the electronic transformer is fixedly installed and has good waterproof and anti-drop performance by arranging a waterproof plate, a positioning groove and a matching insert.
The junction box in the technical scheme adopts the fixed model interface, is difficult to be universal for different user use demands, and cannot adapt to the demands of different production lines.
Disclosure of utility model
In view of the above, the utility model provides a junction box for a transformer, which solves the problem that the transformer interfaces cannot be unified, and meets the use requirements of different users.
The technical scheme of the utility model is realized by providing a junction box for a transformer, which comprises a box body, a power connector, a signal connector and a cover plate, wherein,
The box body is fixedly connected with the transformer, a plurality of mounting holes are formed in the box body, and the mounting holes are distributed on different surfaces of the box body;
The power connector is fixedly connected with the box body through one of the mounting holes, the input end of the power connector is connected with a power cable, and the output end of the power connector is connected with a transformer wiring port;
The signal connector is fixedly connected with the box body through one of the mounting holes, the signal connector is used for connecting the input end of the signal connector with a signal output line of the transformer, and the output end of the signal connector is spliced with an input cable of the control cabinet;
And the cover plate is used for blocking other unused mounting holes.
On the basis of the technical scheme, the mounting holes are preferably different in shape and size and are used for mounting power connectors and signal connectors of different types.
On the basis of the technical scheme, the power connector is preferably arranged between the power connector and the mounting hole, and is used for mounting and connecting power connectors which are not matched with the size of the mounting hole, and the power connectors of different types are provided with different power connector mounting plates.
On the basis of the technical scheme, the signal connector mounting plate is preferably arranged between the signal connector and the mounting hole and is used for mounting and connecting signal connectors which are not matched with the size of the mounting hole, and the signal connectors of different models are provided with different signal connector mounting plates.
On the basis of the technical scheme, the box body is preferably further provided with an insulating plate, wherein the insulating plate is connected with the inside of the box body and is used for dividing the inside of the box body into a strong current area and a weak current area, so that mutual interference of strong current and weak current cables is avoided.
On the basis of the above technical scheme, preferably, a power input cable is placed in the strong current area, one end of the power input cable is connected with a transformer, the other end of the power input cable is connected with the power connector, a signal output cable is placed in the weak current area, one end of the signal output cable is connected with the transformer, and the other end of the signal output cable is connected with the signal connector.
On the basis of the technical scheme, the transformer is preferably further provided with a wiring terminal, wherein the wiring terminal is connected with the transformer and is positioned in a weak current area on one side of the insulating plate and used for realizing electric connection between the transformer and the signal connector.
On the basis of the technical scheme, the transformer is preferably further provided with a voltage feedback connector, wherein the input end of the voltage feedback connector is connected with the positive and negative electrode interfaces of the output end of the transformer through a cable, and the output end of the voltage feedback connector is electrically connected with a control cabinet and is used for feeding back voltage signals of the transformer.
On the basis of the technical scheme, the box cover is preferably further provided with a box cover, the box cover is matched with the box body and used for sealing the box body, and the box cover is provided with the mounting hole.
On the basis of the technical scheme, the box cover is preferably further provided with a sealing gasket, and the sealing gasket is used for sealing the box body and the box cover.
Compared with the prior art, the junction box used for the transformer has the following beneficial effects:
(1) Through set up a plurality of mounting holes on the different faces of box body, when needing the power joint and the signal joint of installing specific model, select with this power joint size assorted mounting hole, on passing through this mounting hole fixed connection box body with this signal joint size assorted mounting hole with this model signal joint, pass through this mounting hole fixed connection on the box body, then with other unused mounting holes with the apron connection shutoff, thereby make this terminal box can adapt to the joint of connecting the different models of installation.
(2) The power connector comprises a power connector, a signal connector, a mounting plate, a junction box and a connecting box, wherein the power connector is provided with mounting holes with different shapes and different sizes, the mounting holes are arranged for mounting power connectors and signal connectors of different types, when the sizes of the mounting holes and the power connectors or the signal connectors are not matched, the mounting plate is arranged between the mounting holes and the power connectors or the signal connectors, the power connectors of different types are provided with different power connector mounting plates, and the signal connectors of different types are provided with different signal connector mounting plates.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a perspective view of a junction box used in a transformer according to embodiment 1 of the present utility model at different angles;
fig. 2 is an exploded view of the junction box in embodiment 1 of the present utility model;
fig. 3 is a perspective view of a junction box used in a transformer according to embodiment 2 of the present utility model at different angles;
fig. 4 is an exploded view of the junction box in embodiment 2 of the present utility model;
Fig. 5 is a perspective view of a junction box used in a transformer in embodiment 3 of the present utility model at different angles;
Fig. 6 is an exploded view of the junction box in embodiment 3 of the present utility model;
reference numeral 1, a box body; 101, mounting holes, 2, power connectors, 3, signal connectors, 4, cover plates, 5, power connector mounting plates, 6, signal connector mounting plates, 7, insulating plates, 8, wiring terminals, 9, voltage feedback connectors, 10, box covers, 11 and sealing gaskets.
Detailed Description
The following description of the embodiments of the present utility model will clearly and fully describe the technical aspects of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, are intended to fall within the scope of the present utility model.
Example 1
As shown in fig. 1-2, the junction box used by the transformer of the embodiment comprises a box body 1, a power connector 2, a signal connector 3 and a cover plate 4, wherein the box body 1 is fixedly connected with the transformer, a plurality of mounting holes 101 are formed in the box body 1, the mounting holes 101 are distributed on different surfaces of the box body 1, the power connector 2 is fixedly connected with the box body 1 through one of the mounting holes 101, the input end of the power connector 2 is connected with a power cable, the output end is connected with a transformer wiring port, the signal connector 3 is fixedly connected with the box body 1 through one of the mounting holes 101, the signal connector 3 is used for connecting the input end with a transformer signal output line, the output end is inserted with an input cable of the control cabinet, and the cover plate 4 is used for plugging other unused mounting holes 101.
In the above-described structure, when the power connector 2 and the signal connector 2 of a specific type are required to be mounted by providing the plurality of mounting holes 101 on different surfaces of the case 1, the mounting holes 101 matching the size of the power connector are selected, the power connector 2 of the specific type is inserted into the mounting holes 101, then the power connector 2 of the specific type is fixedly connected to the case 1 by using the bolt fastener, the mounting holes 101 matching the size of the signal connector 2 are selected, the signal connector 3 of the specific type is inserted into the mounting holes 101, then the power connector 2 of the specific type is fixedly connected to the case 1 by using the bolt fastener, and then the cover plate 4 is plugged onto the other unused mounting holes 101 and is fixedly connected to the case 1 by using the bolt fastener.
Further, the mounting holes 101 are different in shape and size for mounting the power connector 2 and the signal connector 3 of different models.
In the above structure, because the types of the power connector 2 and the signal connector 3 used in actual production application are different, in order to enable the junction box of the application to adapt to different working scenes, the installation holes 101 with different shapes and sizes are arranged on a plurality of sides of the box body 1, so that the installation of the power connector 2 and the signal connector 3 with different types can be satisfied.
Further, still include still that still include insulation board 7, insulation board 7 and box body 1 internal connection for with box body 1 internal partition become strong electric region and weak current region, avoid strong electric weak electric cable to interfere each other.
Further, a power input cable is placed in the strong current area, one end of the power input cable is connected with the transformer, the other end of the power input cable is connected with the power connector 2, a signal output cable is placed in the weak current area, one end of the signal output cable is connected with the transformer, and the other end of the signal output cable is connected with the signal connector 3.
Specifically, the insulating plate 7 is a bending plate, and two end parts of the bending plate are riveted with two side surfaces of the box body 1 through screws, so that the power input cable and the signal output cable are separated in two areas, and the cable arrangement in the junction box is tidier, and the strong electric cables and the weak electric cables are not interfered with each other.
Further, the transformer also comprises a wiring terminal 8, wherein the wiring terminal 8 is connected with the transformer and is positioned in a weak current area on one side of the insulating plate 7, so as to realize electrical connection between the transformer and the signal connector 3.
Specifically, the wiring terminal 8 is connected with a current signal wire and a temperature signal wire of the transformer, and is electrically connected with the signal connector 3 through the wiring terminal 8, and then the signal connector 3 is electrically connected with the control cabinet, so that the current and temperature signals of the transformer are output to the control cabinet.
Further, the transformer further comprises a voltage feedback connector 9, wherein the input end of the voltage feedback connector 9 is connected with the positive and negative interfaces of the output end of the transformer through a cable, and the output end of the voltage feedback connector 9 is electrically connected with the control cabinet and used for feeding back a voltage signal of the transformer.
As a preferred embodiment, the output end of the voltage feedback connector 9 is connected with a connecting terminal 8, and the voltage signal output by the transformer is fed back to the control cabinet through the connecting terminal 8.
Further, the box cover 10 is further included, the box cover 10 is matched with the box body 1 and is used for sealing the box body 1, and the box cover 10 is provided with a mounting hole 101.
Further, the box comprises a sealing gasket 11, wherein the sealing gasket 11 is used for sealing the box body 1 and the box cover 10.
With the above structure, the gasket 11 is placed between the case body 1 and the case cover 10, and then the case cover 10 is covered on the case body 1, the case cover 10 is tightly combined with the case body 1 by the screw fixing member, and the gasket 11 is made of high temperature resistant and corrosion resistant rubber or plastic to ensure its adaptability and sealing property.
Preferably, the power connector 2 and the signal connector 3 are respectively matched with one of the plurality of mounting holes 101 in shape and size, and the connecting cables of the power connector 2 and the signal connector 3 are spliced.
Specifically, two adjacent side surfaces of the box body 1 are respectively provided with a circular mounting hole 101, the other side surface is provided with a rectangular mounting hole 101, the circular mounting hole 101 of one side surface is provided with a power connector 2 for mounting, the mounting end of the power connector 2 is cylindrical and matched with the circular mounting hole 101 in size, the power connector can be directly clamped into the circular mounting hole 101 and fixed by a screw, then one end of the power connector 2 is connected with a power input cable placed in a strong current area, and the other end is connected with a power supply in an inserting manner;
The top surface of the box body 1, namely the box cover 10 is provided with a circular mounting hole 101, the signal connector 3 is mounted on the box cover 10 through the circular mounting hole 101, the mounting end of the signal connector 3 is cylindrical and matched with the circular mounting hole 101 in size, the signal connector 3 can be directly clamped into the circular mounting hole 101 and fixed by a screw, then one end of the signal connector 3 is connected with the wiring terminal 8 in a weak current area, and the other end of the signal connector is spliced with a control cabinet input cable;
The unused mounting holes 101 are then plugged with two cover plates 4 of matching shape and size.
Example 2
As shown in fig. 3 to 4, the transformer of the present embodiment uses a junction box identical to that of embodiment 1 except that:
the power connector 2 is matched with one of the plurality of mounting holes 101 in shape and size, the signal connector 3 is not matched with the plurality of mounting holes 101 in shape and size, and the power connector 2 and the signal connector 3 are connected by bare wires.
Further, the signal connector mounting plate 6 is arranged between the signal connector 3 and the mounting hole 101 and is used for mounting and connecting the signal connector 3 which is not matched with the size of the mounting hole 101, and signal connectors of different models are provided with different signal connector mounting plates 6.
In the above-described configuration, when the signal connector 3 is not matched with the mounting hole 101, it is necessary to provide a signal connector mounting plate 6, and after the signal connector 3 is assembled with the signal connector mounting plate 6, the signal connector mounting plate 6 is mounted and fixed on the case 1 through the mounting hole 101, thereby completing the mounting of the signal connector 3.
Specifically, two adjacent side surfaces of the box body 1 are respectively provided with a circular mounting hole 101, the other side surface is provided with a rectangular mounting hole 101, the circular mounting hole 101 of one side surface is provided with a power connector 2 for mounting, the mounting end of the power connector 2 is cylindrical and matched with the circular mounting hole 101 in size, the power connector can be directly clamped into the circular mounting hole 101 and fixed by a screw, the middle part of the power connector 2 is provided with a through hole, and a power input cable placed in a strong current area is directly connected with a power supply through the through hole;
The top surface of the box body 1, namely the box cover 10 is provided with a circular mounting hole 101, a signal connector 3 is mounted on the box cover 10 through the circular mounting hole 101, the size of the mounting end of the signal connector 3 is smaller than that of the circular mounting hole 101, the signal connector 3 and the signal connector mounting plate 6 are clamped and combined together, then the signal connector mounting plate 6 is fixedly mounted on the circular mounting hole 101 through a screw, the middle part of the signal connector 3 is provided with a through hole, and a signal output cable of a wiring terminal 8 in a weak current area is directly connected with a control cabinet through the through hole;
The unused mounting holes 101 are then plugged with two cover plates 4 of matching shape and size.
Example 3
As shown in fig. 5 to 6, the transformer of the present embodiment uses a junction box identical to that of embodiment 2 except that:
The power connector 2 and the signal connector 3 are not matched with the plurality of mounting holes 101 in shape and size, and the power connector 2 and the signal connector 3 are connected with cables in a plugging mode.
Further, the power connector mounting plate 5 is arranged between the power connector 2 and the mounting hole 101 and is used for mounting and connecting the power connector 2 which is not matched with the size of the mounting hole 101, and the power connectors of different models are provided with different power connector mounting plates 5.
In the above-described structure, when the power connector 2 is not matched with the mounting hole 101, a power connector mounting plate 5 needs to be provided, and after the power connector 2 is assembled with the power connector mounting plate 5, the power connector mounting plate 5 is mounted and fixed on the box body 1 through the mounting hole 101, so that the mounting of the power connector 2 is completed.
Specifically, two adjacent side surfaces of the box body 1 are respectively provided with a circular mounting hole 101, the other side surface is provided with a rectangular mounting hole 101, the rectangular mounting hole 101 is a round corner rectangle with two arc sides, the shape of the mounting end of the power connector 2 is matched with the rectangular mounting hole, the power connector 2 is clamped in the rectangular mounting hole 101 from the inside of the bottom box 1 outwards, the power connector 2 is tightly pressed by the power connector mounting plate 5 from the inside of the bottom box 1 and is fixed by a screw, one end of the power connector 2 is connected with a power input cable arranged in a strong electric area, and the other end of the power connector 2 is connected with a power supply in an inserting way;
The top surface of the box body 1, namely the box cover 10 is provided with a circular mounting hole 101, a signal connector 3 is mounted on the box cover 10 through the circular mounting hole 101, the size of the mounting end of the signal connector 3 is smaller than that of the circular mounting hole 101, the signal connector 3 and the signal connector mounting plate 6 are clamped and combined together, then the signal connector mounting plate 6 is fixedly mounted on the circular mounting hole 101 through a screw, then one end of the signal connector 3 is connected with a wiring terminal 8 in a weak current area, and the other end is spliced with a control cabinet input cable;
The unused mounting holes 101 are then plugged with two cover plates 4 of matching shape and size.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323333004.5U CN222168115U (en) | 2023-12-07 | 2023-12-07 | A junction box for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323333004.5U CN222168115U (en) | 2023-12-07 | 2023-12-07 | A junction box for transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222168115U true CN222168115U (en) | 2024-12-13 |
Family
ID=93783845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323333004.5U Active CN222168115U (en) | 2023-12-07 | 2023-12-07 | A junction box for transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222168115U (en) |
-
2023
- 2023-12-07 CN CN202323333004.5U patent/CN222168115U/en active Active
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