CN212848013U - Composite box type transformer with switch metering function - Google Patents
Composite box type transformer with switch metering function Download PDFInfo
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- CN212848013U CN212848013U CN202022119559.XU CN202022119559U CN212848013U CN 212848013 U CN212848013 U CN 212848013U CN 202022119559 U CN202022119559 U CN 202022119559U CN 212848013 U CN212848013 U CN 212848013U
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Abstract
The utility model discloses a composite box-type transformer with switch metering function, which comprises a load cabinet provided with a wire inlet mechanism and a metering cabinet arranged on the load cabinet; one end of the wire inlet mechanism penetrates out of the load cabinet, the other end of the wire inlet mechanism is connected with a first load switch, and a first high-voltage fuse is connected below the first load switch; a voltage transformer is arranged in the metering cabinet, and a current transformer is arranged above the voltage transformer; a sleeve is arranged below the first high-voltage fuse, and sequentially penetrates through the wall of the joint of the load cabinet and the metering cabinet and is arranged in the metering cabinet; a first wiring bar is arranged in the sleeve, one end of the first wiring bar is connected with a first high-voltage fuse, and the other end of the first wiring bar is respectively connected with a voltage transformer and a current transformer; and a wire outlet mechanism is connected below the current transformer and used for connecting the transformer. The utility model discloses a design realizes electric energy measurement and circuit on-off control, has the switch measurement function, and the internal element layering is arranged, effectively reduces cabinet body volume, has improved space resource utilization.
Description
Technical Field
The utility model relates to a box transformer production technical field especially relates to a take compound box transformer of switch measurement function.
Background
With the continuous development of science and technology, the technical development of transformers is more mature, and a novel transformer, namely a box transformer, which is a box transformer for short, is introduced in the market, wherein the traditional transformer is designed in a movable fully-closed box body in a centralized manner. At present, the power grid in China is in a rapid development stage, the demand of the box transformer substation is large, and the box transformer substation is required to realize switch metering on and off on the high-voltage side, so that the box transformer substation with the switch metering function is needed to be provided; on the other hand, most of the component devices of the existing box transformer substation are arranged in the box body in a straight-line design, so that the box body is large in size, large in occupied area and capable of wasting space resources, and therefore a small box transformer substation is needed.
Based on this, the utility model discloses and research and development.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of prior art, provide a take compound box transformer of switch measurement function.
The technical scheme of the utility model as follows:
a composite box type transformer with switch metering function comprises a load cabinet and a metering cabinet arranged on the right side of the load cabinet; the load cabinet is provided with a wire inlet mechanism for connecting a high-voltage wire inlet cable; one end of the wire inlet mechanism penetrates into the load cabinet inwards, a first load switch used for controlling the on-off of a circuit is connected to the end, located in the load cabinet, of the wire inlet mechanism, a first high-voltage fuse is connected to the lower portion of the first load switch, and overload and short-circuit protection is achieved on the circuit through the high-voltage fuse when the high-voltage fuse is used; a voltage transformer for realizing voltage metering operation is arranged in the metering cabinet, and a current transformer for realizing current metering operation is arranged above the voltage transformer; a sleeve is arranged below the first high-voltage fuse, and sequentially penetrates through the wall of the joint of the load cabinet and the metering cabinet and is arranged in the metering cabinet; a first wiring bar is arranged in the sleeve, one end of the first wiring bar is connected to the first high-voltage fuse, and the other end of the first wiring bar is respectively connected with the voltage transformer and the current transformer; and a wire outlet mechanism is connected below the current transformer and is electrically connected with the transformer through a wire outlet cable.
Furthermore, the metering cabinet is also provided with a lightning arrester above the current transformer, and the lightning arrester is connected with the end part of the wire inlet mechanism in the load cabinet, so that a circuit is protected.
Furthermore, a grounding switch is connected below the first high-voltage fuse and used for achieving grounding operation.
Further, the wire inlet mechanism comprises a second load switch and a cable support; the cable strut is arranged on the load cabinet above the first load switch, one end of the cable strut is arranged in the load cabinet, the other end of the cable strut penetrates out of the load cabinet, a second wiring bar is connected to the end part of the cable strut in the load cabinet, and the cable strut is electrically connected with the first load switch and the lightning arrester through the second wiring bar; the second load switch is connected on the end part of the cable support, which is positioned outside the load cabinet, and the operation of connecting the high-voltage incoming cable is realized through the second load switch during use.
Furthermore, a first insulator is arranged on the first high-voltage fuse and used for improving creepage distance.
Furthermore, a second insulator is arranged on the first wiring row and used for increasing the creepage distance.
Further, be equipped with the third wiring row on the current transformer, current transformer passes through the third wiring row realizes connecting the operation of mechanism appears, just be equipped with the third insulator on the third wiring row for promote creepage distance.
Further, be equipped with second high tension fuse on the voltage transformer, voltage transformer passes through second high tension fuse realizes connecting the operation of first line bank, and passes through second high tension fuse is right voltage transformer plays a guard action.
By adopting the scheme, the utility model discloses following beneficial effect has:
1. the utility model has the advantages that the electric energy metering is realized through the current transformer and the voltage transformer, the control circuit is switched on and off through the first load switch, the switch metering function is realized, the structure is exquisite, the internal elements are arranged in layers, the volume of the cabinet body is effectively reduced, and the space resource utilization rate is improved;
2. the lightning arrester in the preferred scheme can effectively protect a circuit;
3. the application of insulator in the preferred scheme has effectively promoted the creepage distance of equipment.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
Referring to fig. 1, the utility model provides a composite box type transformer with switch metering function, which comprises a load cabinet and a metering cabinet arranged on the right side of the load cabinet; the load cabinet is provided with a wire inlet mechanism for connecting a high-voltage wire inlet cable; one end part of the wire inlet mechanism penetrates into the load cabinet inwards, the end part of the wire inlet mechanism positioned in the load cabinet is connected with a first load switch 1 used for controlling the on-off of a circuit, a first high-voltage fuse 2 is connected below the first load switch 1, and the high-voltage fuse plays overload and short-circuit protection for the circuit when in use; a voltage transformer 3 for realizing voltage metering operation is arranged in the metering cabinet, and a current transformer 4 for realizing current metering operation is arranged above the voltage transformer 3; a sleeve 5 is arranged below the first high-voltage fuse 2, and the sleeve 5 sequentially penetrates through the wall of the joint of the load cabinet and the metering cabinet and is arranged in the metering cabinet; a first wiring bar 6 is arranged in the sleeve 5, one end of the first wiring bar 6 is connected to the first high-voltage fuse 2, and the other end of the first wiring bar 6 is respectively connected with the voltage transformer 3 and the current transformer 4, specifically, the first wiring bar 6 is a copper bar; and a wire outlet mechanism 7 is connected below the current transformer 4, and the wire outlet mechanism 7 is electrically connected with the transformer through a wire outlet cable.
In this embodiment, the metering cabinet is further provided with an arrester 8 above the current transformer 4, and the arrester 8 is connected with the end portion of the wire inlet mechanism located in the load cabinet, so as to protect a circuit.
In this embodiment, a grounding switch 9 is further connected below the first high-voltage fuse 2 for performing grounding operation.
In this embodiment, the line feeding mechanism includes a second load switch 10 and a cable support 11; the cable strut 11 is arranged on the load cabinet above the first load switch 1, one end of the cable strut 11 is arranged in the load cabinet, the other end of the cable strut 11 penetrates out of the load cabinet, a second wiring bar 12 is connected to the end part of the cable strut 11 in the load cabinet, the cable strut 11 is electrically connected with the first load switch 1 and the lightning arrester 8 through the second wiring bar 12, and specifically, the second wiring bar 12 is a copper bar; the second load switch 10 is connected to the end part of the cable support 11 outside the load cabinet, and the second load switch 10 is used for connecting the high-voltage incoming cable.
In this embodiment, the first high-voltage fuse 2 is provided with a first insulator 13 for increasing a creepage distance.
In this embodiment, the first wire connecting bank 6 is provided with a second insulator 14 for increasing the creepage distance.
In this embodiment, be equipped with third wiring row 15 on current transformer 4, it is concrete, third wiring row 15 is the copper bar, current transformer 4 passes through third wiring row 15 realizes connecting the operation of mechanism appears, just be equipped with third insulator 16 on third wiring row 15 for promote creepage distance.
In this embodiment, be equipped with second high tension fuse 17 on voltage transformer 3, voltage transformer 3 passes through second high tension fuse 17 realizes connecting the operation of first terminal row 6, and passes through second high tension fuse 17 is right voltage transformer 3 plays a guard action.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model has the advantages that the electric energy metering is realized through the current transformer and the voltage transformer, the control circuit is switched on and off through the first load switch, the switch metering function is realized, the structure is exquisite, the internal elements are arranged in layers, the volume of the cabinet body is effectively reduced, and the space resource utilization rate is improved;
2. the lightning arrester in the preferred scheme can effectively protect a circuit;
3. the application of insulator in the preferred scheme has effectively promoted the creepage distance of equipment.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A composite box type transformer with a switch metering function is characterized by comprising a load cabinet and a metering cabinet arranged on the right side of the load cabinet; the load cabinet is provided with a wire inlet mechanism for connecting a high-voltage wire inlet cable; one end of the wire inlet mechanism penetrates into the load cabinet inwards, a first load switch used for controlling the on-off of a circuit is connected to the end, located in the load cabinet, of the wire inlet mechanism, a first high-voltage fuse is connected to the lower portion of the first load switch, and overload and short-circuit protection is achieved on the circuit through the high-voltage fuse when the high-voltage fuse is used; a voltage transformer for realizing voltage metering operation is arranged in the metering cabinet, and a current transformer for realizing current metering operation is arranged above the voltage transformer; a sleeve is arranged below the first high-voltage fuse, and sequentially penetrates through the wall of the joint of the load cabinet and the metering cabinet and is arranged in the metering cabinet; a first wiring bar is arranged in the sleeve, one end of the first wiring bar is connected to the first high-voltage fuse, and the other end of the first wiring bar is respectively connected with the voltage transformer and the current transformer; and a wire outlet mechanism is connected below the current transformer and is electrically connected with the transformer through a wire outlet cable.
2. The composite box transformer with the switch metering function as claimed in claim 1, wherein a lightning arrester is further arranged above the current transformer in the metering cabinet, and the lightning arrester is connected with the end portion of the wire inlet mechanism located in the load cabinet to protect a circuit.
3. The composite box transformer with switch metering function as claimed in claim 1, wherein an earthing switch is further connected below the first high voltage fuse for implementing an earthing operation.
4. The composite box transformer with switch metering function as claimed in claim 2, wherein the wire feeding mechanism comprises a second load switch and a cable support; the cable strut is arranged on the load cabinet above the first load switch, one end of the cable strut is arranged in the load cabinet, the other end of the cable strut penetrates out of the load cabinet, a second wiring bar is connected to the end part of the cable strut in the load cabinet, and the cable strut is electrically connected with the first load switch and the lightning arrester through the second wiring bar; the second load switch is connected on the end part of the cable support, which is positioned outside the load cabinet, and the operation of connecting the high-voltage incoming cable is realized through the second load switch during use.
5. The composite box transformer with switch metering function as claimed in claim 1, wherein a first insulator is provided on the first high voltage fuse for increasing a creepage distance.
6. The composite box transformer with switch metering function as claimed in claim 1, wherein a second insulator is provided on the first line bank for increasing a creepage distance.
7. A composite box type transformer with switch metering function as claimed in claim 1, wherein a third wiring bar is provided on the current transformer, the current transformer realizes the operation of connecting the wire outlet mechanism through the third wiring bar, and a third insulator is provided on the third wiring bar for increasing the creepage distance.
8. The composite box type transformer with the switch metering function as claimed in claim 1, wherein a second high voltage fuse is arranged on the voltage transformer, the voltage transformer realizes the operation of connecting the first wiring bar through the second high voltage fuse, and the voltage transformer is protected through the second high voltage fuse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022119559.XU CN212848013U (en) | 2020-09-24 | 2020-09-24 | Composite box type transformer with switch metering function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022119559.XU CN212848013U (en) | 2020-09-24 | 2020-09-24 | Composite box type transformer with switch metering function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212848013U true CN212848013U (en) | 2021-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022119559.XU Active CN212848013U (en) | 2020-09-24 | 2020-09-24 | Composite box type transformer with switch metering function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212848013U (en) |
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2020
- 2020-09-24 CN CN202022119559.XU patent/CN212848013U/en active Active
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