CN212908537U - Low-voltage incoming line cabinet with good safety - Google Patents
Low-voltage incoming line cabinet with good safety Download PDFInfo
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- CN212908537U CN212908537U CN202021830631.3U CN202021830631U CN212908537U CN 212908537 U CN212908537 U CN 212908537U CN 202021830631 U CN202021830631 U CN 202021830631U CN 212908537 U CN212908537 U CN 212908537U
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- circuit breaker
- cabinet
- cabinet body
- current transformer
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Abstract
The utility model discloses a low-voltage incoming line cabinet with good safety, which comprises a cabinet body, wherein the cabinet body is internally provided with electrical elements, the electrical elements comprise an isolating switch, a universal circuit breaker and a current transformer, the ampere meter, first circuit breaker and second circuit breaker, isolator's one end and electric wire netting circuit connection, isolator's the other end is connected with current transformer's input electricity, the ampere meter is connected with current transformer electricity, current transformer's output is connected with universal circuit breaker's one end, the cabinet body is provided with binding post, binding post is connected with universal circuit breaker's the other end, the internal light and the fan of installing of cabinet, the light is connected with current transformer's output electricity through first circuit breaker, the fan passes through the second circuit breaker and is connected with current transformer's output electricity, the internal installation cavity that is provided with of cabinet, the front end of the cabinet body is provided with the opening, universal circuit breaker's. The utility model discloses can reduce incident emergence probability, improve the security performance of inlet wire cabinet.
Description
Technical Field
The utility model relates to an electricity cabinet technical field, in particular to low pressure inlet wire cabinet that security is good.
Background
The low-voltage incoming cabinet is one of AC low-voltage distribution cabinets, is used for power consumers of power plants, power substations, industrial and mining enterprises and the like, and is used for power conversion, distribution and control of lighting and distribution equipment in a distribution system with 50Hz AC, 380V rated working voltage and 2500A rated current.
The existing incoming line cabinet is generally internally provided with a plurality of electrical elements, so that the wiring in the incoming line cabinet is complex, the overhauling and maintenance of the incoming line cabinet by workers are not facilitated, the workers are more difficult to see at night, potential safety hazards are easily caused by operation errors, and safety accidents can possibly occur in serious cases; on the other hand, because the internal electric elements of the inlet wire cabinet are more, the electric elements can generate heat in the working process, the internal space of the inlet wire cabinet is limited, and the heat dissipation capability is relatively poor, so that the electric elements are easily damaged due to overheating, and safety accidents can also occur in serious cases.
Disclosure of Invention
The to-be-solved technical problem of the utility model is, not enough to among the above-mentioned prior art, provide a low pressure inlet wire cabinet that the security is good, the setting of its light can prevent effectively that the staff from taking place because of the unclear phenomenon of operation mistake, and the setting of fan can in time go out the internal heat dissipation of cabinet, effectively avoids the internal electric elements of cabinet to take place because of the overheated condition of damaging, effectively improves inlet wire cabinet's security performance.
In order to solve the technical problem, the technical scheme of the utility model is that:
a low-voltage incoming cabinet with good safety comprises a cabinet body, wherein an electric element is arranged in the cabinet body, the electric element comprises an isolating switch, a universal circuit breaker, a current transformer, an ammeter, a first circuit breaker and a second circuit breaker, one end of the isolating switch is connected with a power grid circuit arranged in the cabinet body, the other end of the isolating switch is electrically connected with an input end of the current transformer, the ammeter is electrically connected with the current transformer, an output end of the current transformer is connected with one end of the universal circuit breaker, the cabinet body is provided with a connecting terminal, the connecting terminal is connected with the other end of the universal circuit breaker, an illuminating lamp and a fan are arranged in the cabinet body, the illuminating lamp is electrically connected with an output end of the current transformer through the first circuit breaker, the fan is electrically connected with an output end of the current transformer through the second circuit breaker, a mounting cavity, the front end of the cabinet body is provided with an opening, and the front end of the universal circuit breaker stretches out of the opening.
Preferably, the electrical component further comprises a voltage transfer switch and a voltmeter, and the voltage transfer switch and the voltmeter are both arranged in the power grid circuit.
As a preferred scheme, current transformer includes first current transformer, second current transformer and third current transformer, first current transformer is two, establishes ties between two first current transformer, parallelly connected between first current transformer, second current transformer and the third current transformer, the ampere meter is three, divide into first ampere meter, second ampere meter and third ampere meter, first ampere meter establishes ties with the first current transformer that is connected with universal circuit breaker electricity, the second ampere meter establishes ties with second current transformer, the third ampere meter establishes ties with the third current transformer.
Preferably, the electrical element further comprises a fuse and a surge protector, one end of the fuse is electrically connected with the other end of the universal circuit breaker, and the other end of the fuse is electrically connected with the surge protector.
As a preferred scheme, still be provided with the fuse on the cabinet body, be used for controlling the first button of universal circuit breaker combined floodgate and be used for controlling the second button of universal circuit breaker separating brake, first button and second button one end are passed through the fuse and are connected with the electric wire netting circuit electricity, the other end of first button and second button is connected with universal circuit breaker's input electricity.
As a preferred scheme, still be provided with the first pilot lamp that is used for instructing universal circuit breaker closing state and the second pilot lamp that is used for instructing universal circuit breaker separating brake state on the cabinet body, the one end of first pilot lamp and second pilot lamp is connected with the electric wire netting circuit electricity through the fuse, the other end of first pilot lamp and second pilot lamp is connected with universal circuit breaker's input electricity.
As a preferred scheme, the top end of the cabinet body is provided with a mounting hole for facilitating workers to mount electric elements, a cover plate is mounted on the mounting hole, and a wire outlet hole is formed in the cover plate.
As a preferred scheme, an electric cabinet door is arranged at the front end of the cabinet body, the electric cabinet door is hinged with the cabinet body, and the opening is formed in the electric cabinet door.
As a preferred scheme, the lower part of the front end of the cabinet body is provided with heat dissipation holes.
The utility model has the advantages that: the lighting lamp is arranged in the cabinet body, so that workers can see the interior of the cabinet body clearly, the phenomenon that the operators have operation errors due to the fact that the operators cannot see clearly is effectively prevented, the probability of safety accidents is reduced, and the safety performance of the incoming line cabinet is effectively improved; the fan is arranged in the cabinet body, so that heat in the cabinet body can be radiated in time, the situation that electric elements in the cabinet body are damaged due to overheating is effectively avoided, the probability of safety accidents is reduced, and the safety performance of the incoming line cabinet is effectively improved; the setting of isolator can in time cut off the power at dangerous moment to can protect staff's safety, more effectively improve the security performance of inlet wire cabinet.
Drawings
FIG. 1 is a front view of an embodiment of the present invention;
fig. 2 is a top view of an embodiment of the present invention;
FIG. 3 is a schematic diagram of the electrical principle of the embodiment of the present invention;
fig. 4 is an electrical schematic diagram of the first button, the second button, the first indicator light, the second indicator light and the universal circuit breaker of the present invention.
In the figure: 1-cabinet body, 2-isolating switch, 3-universal circuit breaker, 4-ammeter, 5-first circuit breaker, 6-second circuit breaker, 7-illuminating lamp, 8-fan, 9-opening, 10-voltage change-over switch, 11-voltmeter, 12-first current transformer, 13-second current transformer, 14-third current transformer, 15-fuse, 16-surge protector, 17-fuse, 18-first button, 19-second button, 20-first indicator light, 21-second indicator light, 23-cover plate, 24-outlet hole, 25-electric cabinet door, 26-radiating hole.
Detailed Description
The structure and operation of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 4, a low-voltage incoming line cabinet with good safety comprises a cabinet body 1, wherein an electrical element is arranged in the cabinet body 1, the electrical element comprises an isolating switch 2, a universal circuit breaker 3, a current transformer, an ammeter 4, a first circuit breaker 5 and a second circuit breaker 6, one end of the isolating switch 2 is connected with a power grid circuit arranged in the cabinet body 1, the other end of the isolating switch 2 is electrically connected with an input end of the current transformer, the ammeter 4 is electrically connected with the current transformer, an output end of the current transformer is connected with one end of the universal circuit breaker 3, the cabinet body 1 is provided with a wiring terminal, the wiring terminal is connected with the other end of the universal circuit breaker 3, an illuminating lamp 7 and a fan 8 are arranged in the cabinet body 1, the illuminating lamp 7 is electrically connected with an output end of the current transformer through the, fan 8 is connected with current transformer's output electricity through second circuit breaker 6, be provided with the installation cavity that is used for installing universal circuit breaker 3 in the cabinet body 1, the front end of the cabinet body 1 is provided with opening 9, universal circuit breaker 3's front end stretches out in opening 9, and wherein, isolator 2 is HD13BX-1500/31 fused knife switch, and universal circuit breaker 3 is HBW1-2000/3P universal circuit breaker.
Preferably, the electrical component further comprises a voltage conversion switch 10 and a voltmeter 11, and the voltage conversion switch 10 and the voltmeter 11 are both arranged in the power grid circuit.
As a preferred scheme, the current transformers include a first current transformer 12, a second current transformer 13 and a third current transformer 14, the number of the first current transformers 12 is two, the two first current transformers 12 are connected in series, the first current transformer 12, the second current transformer 13 and the third current transformer 14 are connected in parallel, the number of the ampere meters 4 is three, the ampere meters are divided into a first ampere meter, a second ampere meter and a third ampere meter, the first ampere meter is connected in series with the first current transformer 12 electrically connected with the universal circuit breaker 3, the second ampere meter is connected in series with the second current transformer 13, and the third ampere meter is connected in series with the third current transformer 14.
As a preferable scheme, the electrical element further comprises a fuse 15 and a surge protector 16, one end of the fuse 15 is electrically connected with the other end of the universal circuit breaker 3, the other end of the fuse 15 is electrically connected with the surge protector 16, and the arrangement of the surge protector 16 can effectively improve the lightning protection capability of the incoming line cabinet, effectively prolong the service life of the incoming line cabinet and further improve the safety performance of the incoming line cabinet.
As a preferable scheme, the cabinet body 1 is further provided with a fuse 17, a first button 18 for controlling the closing of the universal circuit breaker 3 and a second button 19 for controlling the opening of the universal circuit breaker 3, one end of the first button 18 and one end of the second button 19 are electrically connected with the power grid circuit through the fuse 17, and the other end of the first button 18 and the other end of the second button 19 are electrically connected with the input end of the universal circuit breaker 3.
As a preferable scheme, the cabinet body 1 is further provided with a first indicator light 20 for indicating a closing state of the universal circuit breaker 3 and a second indicator light 21 for indicating an opening state of the universal circuit breaker 3, one end of the first indicator light 20 and one end of the second indicator light 21 are electrically connected with a power grid circuit through the fuse 17, and the other end of the first indicator light 20 and the other end of the second indicator light 21 are electrically connected with an input end of the universal circuit breaker 3.
As a preferred scheme, the top end of the cabinet body 1 is provided with a mounting hole for facilitating workers to mount electric elements, the mounting hole is covered with a cover plate 23, and the cover plate 23 is provided with a wire outlet hole 24, so that the installation of the workers can be facilitated, and the mounting efficiency of the incoming line cabinet is effectively improved.
As a preferred scheme, an electric cabinet door 25 is arranged at the front end of the cabinet body 1, the electric cabinet door 25 is hinged to the cabinet body 1, and the opening 9 is arranged on the electric cabinet door 25.
As a preferable scheme, the heat dissipation holes 26 are formed in the lower portion of the front end of the cabinet body 1, and the heat dissipation holes 26 can further reduce the temperature in the incoming line cabinet, so that the phenomenon that parts are damaged due to overheating of the incoming line cabinet is prevented, and the service life of the incoming line cabinet is effectively prolonged.
The utility model has the advantages that: the illuminating lamp 7 is arranged in the cabinet body 1, so that workers can see the inside of the cabinet body 1 clearly, the phenomenon that the operators have operation errors due to unclear vision is effectively prevented, the probability of safety accidents is reduced, and the safety performance of the incoming line cabinet is effectively improved; the fan 8 is arranged in the cabinet body 1, so that heat in the cabinet body 1 can be dissipated in time, the probability of safety accidents is reduced, the situation that electric elements in the cabinet body 1 are damaged due to overheating is effectively avoided, and the safety performance of the incoming cabinet is effectively improved; the power supply can be timely cut off at dangerous moment by the aid of the isolating switch 2, so that safety of workers can be protected, and safety performance of the incoming line cabinet is effectively improved.
The above, only the utility model discloses preferred embodiment, all be according to the utility model discloses a technical scheme does any slight modification, the equivalent change and the modification to above embodiment, all belong to the utility model discloses technical scheme's within range.
Claims (9)
1. The utility model provides a low pressure inlet wire cabinet that security is good which characterized in that: comprises a cabinet body, wherein an electric element is arranged in the cabinet body, the electric element comprises an isolating switch, a universal circuit breaker, a current transformer, an ammeter, a first circuit breaker and a second circuit breaker, one end of the isolating switch is connected with a power grid circuit arranged in the cabinet body, the other end of the isolating switch is electrically connected with the input end of the current transformer, the ammeter is electrically connected with the current transformer, the output end of the current transformer is connected with one end of the universal circuit breaker, the cabinet body is provided with a wiring terminal which is connected with the other end of the universal circuit breaker, a lighting lamp and a fan are arranged in the cabinet body, the lighting lamp is electrically connected with the output end of the current transformer through the first circuit breaker, the fan is electrically connected with the output end of the current transformer through the second circuit breaker, an installation cavity for, the front end of the cabinet body is provided with an opening, and the front end of the universal circuit breaker stretches out of the opening.
2. The low-voltage incoming line cabinet with good safety as claimed in claim 1, is characterized in that: the electric element further comprises a voltage conversion switch and a voltmeter, and the voltage conversion switch and the voltmeter are both arranged in the power grid circuit.
3. The low-voltage incoming line cabinet with good safety as claimed in claim 1, is characterized in that: the current transformer comprises two first current transformers, two second current transformers and a third current transformer, the two first current transformers are connected in series, the first current transformers, the second current transformers and the third current transformer are connected in parallel, the ampere meter is three and is divided into a first ampere meter, a second ampere meter and a third ampere meter, the first ampere meter is connected with the first current transformers electrically connected with the universal circuit breaker in series, the second ampere meter is connected with the second current transformers in series, and the third ampere meter is connected with the third current transformers in series.
4. The low-voltage incoming line cabinet with good safety as claimed in claim 1, is characterized in that: the electric element further comprises a fuse and a surge protector, one end of the fuse is electrically connected with the other end of the universal circuit breaker, and the other end of the fuse is electrically connected with the surge protector.
5. The low-voltage incoming line cabinet with good safety as claimed in claim 1, is characterized in that: the utility model discloses a switch cabinet, including the cabinet body, still be provided with the fuse on the cabinet body, be used for controlling the first button of universal circuit breaker combined floodgate and be used for controlling the second button of universal circuit breaker separating brake, first button and second button one end are passed through the fuse and are connected with the electric wire netting circuit electricity, the other end of first button and second button is connected with universal circuit breaker's input electricity.
6. The low-voltage incoming line cabinet with good safety as claimed in claim 5, is characterized in that: still be provided with the first pilot lamp that is used for instructing universal circuit breaker combined floodgate state and the second pilot lamp that is used for instructing universal circuit breaker separating brake state on the cabinet body, the fuse is passed through to the one end of first pilot lamp and second pilot lamp and is connected with the electric wire netting circuit electricity, the other end of first pilot lamp and second pilot lamp is connected with universal circuit breaker's input electricity.
7. The low-voltage incoming line cabinet with good safety as claimed in claim 1, is characterized in that: the top of the cabinet body is provided with the installing port that is used for making things convenient for the staff to pack into electrical components, the apron is equipped with to the installing port lid, be provided with the wire hole on the apron.
8. The low-voltage incoming line cabinet with good safety as claimed in claim 1, is characterized in that: the front end of the cabinet body is provided with an electric cabinet door, the electric cabinet door is hinged with the cabinet body, and the opening is formed in the electric cabinet door.
9. The low-voltage incoming line cabinet with good safety as claimed in claim 1, is characterized in that: the lower part of the front end of the cabinet body is provided with heat dissipation holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021830631.3U CN212908537U (en) | 2020-08-28 | 2020-08-28 | Low-voltage incoming line cabinet with good safety |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021830631.3U CN212908537U (en) | 2020-08-28 | 2020-08-28 | Low-voltage incoming line cabinet with good safety |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212908537U true CN212908537U (en) | 2021-04-06 |
Family
ID=75250964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021830631.3U Active CN212908537U (en) | 2020-08-28 | 2020-08-28 | Low-voltage incoming line cabinet with good safety |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212908537U (en) |
-
2020
- 2020-08-28 CN CN202021830631.3U patent/CN212908537U/en active Active
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