CN203260906U - Adjusting type low-voltage integrated distribution cabinet - Google Patents
Adjusting type low-voltage integrated distribution cabinet Download PDFInfo
- Publication number
- CN203260906U CN203260906U CN 201320252602 CN201320252602U CN203260906U CN 203260906 U CN203260906 U CN 203260906U CN 201320252602 CN201320252602 CN 201320252602 CN 201320252602 U CN201320252602 U CN 201320252602U CN 203260906 U CN203260906 U CN 203260906U
- Authority
- CN
- China
- Prior art keywords
- circuit
- protection circuit
- voltage
- cabinet
- short
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
Disclosed in the utility model is an adjusting type low-voltage integrated distribution cabinet that comprises a cabinet body with an entrance hole and an outlet hole. A detection circuit connected with a power inlet wire, an over-voltage protection circuit, an under-voltage protection circuit, a leakage protection circuit and a short-circuit protection circuit are arranged in the cabinet body, wherein the over-voltage protection circuit, the under-voltage protection circuit, the leakage protection circuit and the short-circuit protection circuit are electrically connected with the detection circuit. In addition, a trip coil circuit, a fine tuning circuit, and a processing circuit are also arranged in the cabinet body; an input terminal of the fine tuning circuit is connected with the processing circuit; an output terminal of the fine tuning circuit is connected with the trip coil circuit; the processing circuit is connected with the detection circuit; and input terminals of the over-voltage protection circuit, the under-voltage protection circuit, the leakage protection circuit and the short-circuit protection circuit are connected with the processing circuit. The provided cabinet has the simple structure; and the processing circuit and the fine tuning circuit are arranged also in the distribution cabinet and the fine tuning circuit carries out fine tuning on the circuit when the circuit does not reach a trip critical point. Therefore, reliability and stability of power supplying can be effectively improved; and the operation can be carried out conveniently and rapidly and the practicability is good.
Description
Technical field
The utility model belongs to the low-voltage distribution cabinet field, is specifically related to a kind of adjustment type low-voltage comprehensive distribution cabinet.
Background technology
The bifurcation that low-voltage comprehensive distribution box is mounted in step down side exit, power distribution station or circuit for the protection of line failure after; can cut off the electricity supply at short notice; ensure the safety in utilization of distribution line; mainly comprise switch protector and leak electricity short-circuit protector in the low-voltage comprehensive distribution box of prior art; it can play a protective role when electric leakage and short circuit appear in circuit; yet increase gradually because electric weight uses, the low-voltage comprehensive distribution box that only has electric leakage and short-circuit protection function can not satisfy people's needs of life.
Summary of the invention
The purpose of this utility model provides a kind of simple in structure, but the adjustment type low-voltage comprehensive distribution cabinet of Effective Raise power supply reliability and stability and simple operation.
The technical scheme that realizes the utility model purpose is a kind of adjustment type low-voltage comprehensive distribution cabinet; comprise the cabinet that is provided with entrance hole and wire hole; in described cabinet, be provided with the testing circuit that is connected with electric power incoming line; the overvoltage crowbar that is electrically connected with testing circuit; under-voltage protecting circuit; leakage protection circuit and short-circuit protection circuit; in described cabinet, also be provided with the breaking coil circuit; described overvoltage crowbar; under-voltage protecting circuit; the output of leakage protection circuit and short-circuit protection circuit all is connected with described breaking coil circuit; in described cabinet, also be provided with trimming circuit and treatment circuit; the input of described trimming circuit is connected with described treatment circuit; the output of described trimming circuit is connected with described breaking coil circuit; described treatment circuit is connected with described testing circuit, described overvoltage crowbar; under-voltage protecting circuit; the input of leakage protection circuit and short-circuit protection circuit all is connected with described treatment circuit.
Between described treatment circuit and described leakage protection circuit, be provided with the relay buffer circuit.
Also comprise the breaking coil combined floodgate drive circuit that is connected with described treatment circuit, described breaking coil combined floodgate drive circuit is connected with described breaking coil circuit.
The utlity model has positive effect: of the present utility model simple in structure, in power distribution cabinet, also be provided with treatment circuit and trimming circuit, its trimming circuit does not reach tripping operation at circuit and circuit is finely tuned when critical, play to a certain extent the effect of protective circuit, but its Effective Raise power supply reliability and stability, and its simple operation, practicality is good; Also comprise simultaneously breaking coil combined floodgate drive circuit, can behind Failure elimination, can breaking coil closed a floodgate, reduced to a certain extent the waste of human resource of manual closing operation, improved combined floodgate efficient.
Description of drawings
For content of the present utility model is more likely to be clearly understood, the below is described in further detail the utility model according to specific embodiment also by reference to the accompanying drawings, wherein:
Fig. 1 is structured flowchart of the present utility model.
Embodiment
(embodiment 1)
Fig. 1 has shown a kind of embodiment of the present utility model, and wherein Fig. 1 is structured flowchart of the present utility model.
See Fig. 1; a kind of adjustment type low-voltage comprehensive distribution cabinet; comprise the cabinet that is provided with entrance hole and wire hole; in described cabinet, be provided with the testing circuit 1 that is connected with electric power incoming line; the overvoltage crowbar 2 that is electrically connected with testing circuit 1; under-voltage protecting circuit 3; leakage protection circuit 4 and short-circuit protection circuit 5; in described cabinet, also be provided with breaking coil circuit 6; described overvoltage crowbar 2; under-voltage protecting circuit 3; the output of leakage protection circuit 4 and short-circuit protection circuit 5 all is connected with described breaking coil circuit 6; in described cabinet, also be provided with trimming circuit 7 and treatment circuit 8; the input of described trimming circuit 7 is connected with described treatment circuit 8; the output of described trimming circuit 7 is connected with described breaking coil circuit 6; described treatment circuit 8 is connected with described testing circuit 1, described overvoltage crowbar 2; under-voltage protecting circuit 3; the input of leakage protection circuit 4 and short-circuit protection circuit 5 all is connected with described treatment circuit 8.
Between described treatment circuit 8 and described leakage protection circuit 4, be provided with relay buffer circuit 9.
Also comprise the breaking coil combined floodgate drive circuit 10 that is connected with described treatment circuit 8, described breaking coil combined floodgate drive circuit 10 is connected with described breaking coil circuit 6.
Obviously, above-described embodiment of the present utility model only is for the utility model example clearly is described, and is not to be restriction to execution mode of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all execution modes exhaustive.And these belong to apparent variation or the change that connotation of the present utility model extends out and still belong to protection range of the present utility model.
Claims (3)
1. adjustment type low-voltage comprehensive distribution cabinet; comprise the cabinet that is provided with entrance hole and wire hole; in described cabinet, be provided with the testing circuit that is connected with electric power incoming line; the overvoltage crowbar that is electrically connected with testing circuit; under-voltage protecting circuit; leakage protection circuit and short-circuit protection circuit; in described cabinet, also be provided with the breaking coil circuit; described overvoltage crowbar; under-voltage protecting circuit; the output of leakage protection circuit and short-circuit protection circuit all is connected with described breaking coil circuit; it is characterized in that: in described cabinet, also be provided with trimming circuit and treatment circuit; the input of described trimming circuit is connected with described treatment circuit; the output of described trimming circuit is connected with described breaking coil circuit; described treatment circuit is connected with described testing circuit, described overvoltage crowbar; under-voltage protecting circuit; the input of leakage protection circuit and short-circuit protection circuit all is connected with described treatment circuit.
2. adjustment type low-voltage comprehensive distribution cabinet according to claim 1 is characterized in that: be provided with the relay buffer circuit between described treatment circuit and described leakage protection circuit.
3. adjustment type low-voltage comprehensive distribution cabinet according to claim 2, it is characterized in that: also comprise the breaking coil combined floodgate drive circuit that is connected with described treatment circuit, described breaking coil combined floodgate drive circuit is connected with described breaking coil circuit.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201320252602 CN203260906U (en) | 2013-04-27 | 2013-04-27 | Adjusting type low-voltage integrated distribution cabinet |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201320252602 CN203260906U (en) | 2013-04-27 | 2013-04-27 | Adjusting type low-voltage integrated distribution cabinet |
Publications (1)
Publication Number | Publication Date |
---|---|
CN203260906U true CN203260906U (en) | 2013-10-30 |
Family
ID=49473444
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 201320252602 Expired - Fee Related CN203260906U (en) | 2013-04-27 | 2013-04-27 | Adjusting type low-voltage integrated distribution cabinet |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN203260906U (en) |
-
2013
- 2013-04-27 CN CN 201320252602 patent/CN203260906U/en not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103236737B (en) | A kind of Domestic intelligent distribution box | |
CN201733058U (en) | Universal breaker power-on automatic switching on device | |
CN103872658A (en) | Multifunctional self-recovery over-voltage and under-voltage protector | |
CN204188680U (en) | A kind of electric energy meter with Electrical Safety defencive function | |
CN204614744U (en) | A kind of outdoor intelligent demarcation circuit breaker assembly | |
CN203260906U (en) | Adjusting type low-voltage integrated distribution cabinet | |
CN204243718U (en) | Be suitable for the outdoor use overcurrent protector protecting railway circuit safety | |
CN201238190Y (en) | Earth leakage circuit breaker for zero wire break | |
CN205265226U (en) | High performance electric leakage electric cabinet | |
CN208078643U (en) | A kind of device with master-slave back-up lightning protection device | |
CN203233139U (en) | Transformer neutral-wire break protection device | |
CN205646817U (en) | User's block terminal | |
CN2338898Y (en) | Comprehensive protection arrangement for safety use of electricity | |
CN206004291U (en) | A kind of residual current action breaker | |
CN203456835U (en) | Overhead power transmission line | |
CN205160094U (en) | A insert structure for distributed photovoltaic power plant direction overcurrent protection | |
CN201854020U (en) | Medium-voltage-side and low-voltage-side compound voltage action loop | |
CN202111467U (en) | Multi-polar low voltage circuit breaker | |
CN203574349U (en) | Vehicle power supply security control device | |
CN203850824U (en) | Multifunctional self-recovery over-voltage and under-voltage protector | |
CN202917850U (en) | Movable outdoor multifunctional low voltage comprehensive distribution box | |
CN203225698U (en) | High-voltage motor speed regulation controlling means for internal mixer use | |
CN203773004U (en) | Direct current grounding fault isolation signal collector | |
CN206332281U (en) | A kind of electric leakage protector | |
CN205646763U (en) | Earth leakage protection time controlling arrangement |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131030 Termination date: 20140427 |