CN205265043U - Dual power supply low -voltage switchgear - Google Patents
Dual power supply low -voltage switchgear Download PDFInfo
- Publication number
- CN205265043U CN205265043U CN201520716776.3U CN201520716776U CN205265043U CN 205265043 U CN205265043 U CN 205265043U CN 201520716776 U CN201520716776 U CN 201520716776U CN 205265043 U CN205265043 U CN 205265043U
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- breaker
- plastic casing
- power supply
- dual power
- supply low
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Abstract
The utility model provides a dual power supply low -voltage switchgear, includes the cubical switchboard body, characterized by still includes and establishes at inside load isolator I, moulded case circuit breaker I, load isolator II and the moulded case circuit breaker II of cubical switchboard body, load isolator I and load isolator's II output pass through the generating line and be connected with moulded case circuit breaker I and moulded case circuit breaker's II input respectively, a plurality of circuit breakers of being qualified for the next round of competitions of II outputs of moulded case circuit breaker I and moulded case circuit breaker connection, still including the mechanical latching device and the electric interlocking system that control II interlockings of moulded case circuit breaker I and moulded case circuit breaker. This dual power supply low -voltage switchgear, occupation space is little, simple to operate, the practicality is strong, and the equipment investment is little, each way inlet wire power passes through respective isolator and inlet wire moulded case circuit breaker respectively to the next stage power transmission, can realize complete independently separately, realizes machinery and electric dual interlocking, and is more practical, safer, has guaranteed dual power supply's reliability.
Description
Technical field
The utility model relates to a kind of switch cubicle, specifically a kind of dual power supply low-tension switch cabinet.
Background technology
Along with improving constantly that people produce, life requires power supply reliability, there is quite a few low pressure electricity consumption client to adopt dual power supply mode, conventionally adopt double power supply automatic transfer switch to complete the switching of two-way power supply, but double power supply automatic transfer switch itself is expensive, particularly internal structure very complicated, while breaking down, operations staff cannot keep in repair, especially in the time that inner transmission mechanism breaks down, can cause twin-power switch automatically and manually all close the not situation of brake application, make dual power supply lose real significance.
Summary of the invention
In order to solve, existing twin-power switch cabinet is expensive, the problem of complex structure, maintenance trouble, poor practicability, and the utility model provides a kind of dual power supply low-tension switch cabinet.
The utility model is realized by following technical proposals.
A kind of dual power supply low-tension switch cabinet, comprise switch cubicle body, it is characterized in that, also comprise load-break switch I, the breaker of plastic casing I, load-break switch II and the breaker of plastic casing II that are located at switch cubicle body interior, described load-break switch I is connected with the input of breaker of plastic casing I and breaker of plastic casing II respectively by bus with the output of load-break switch II, and breaker of plastic casing I is connected some wire-outgoing breakers with breaker of plastic casing II output; Also comprise mechanical locking device and the electrical interlocking system of controlling breaker of plastic casing I and breaker of plastic casing II interlocking.
Described dual power supply low-tension switch cabinet, wherein, breaker of plastic casing I and breaker of plastic casing II are laterally arranged on installing rack side by side, and described mechanical locking device is arranged in the middle of breaker of plastic casing I and breaker of plastic casing II.
Described dual power supply low-tension switch cabinet, wherein, mechanical locking device comprises fixed mount and the slide plate switch that can horizontally slip.
Described dual power supply low-tension switch cabinet, wherein, in breaker of plastic casing I and breaker of plastic casing II respectively with the AC380V time delay device for under-voltage releasing equipment of 1.5 seconds.
Described dual power supply low-tension switch cabinet, wherein, described electrical interlocking system comprises circuit I and circuit II, and described circuit I comprises successively and to be connected: the UC1 end of the upper device for under-voltage releasing equipment of the auxiliary contact common port F11 of phase line A11, fuse FU4, breaker of plastic casing II, normally-closed contact F14, the breaker of plastic casing I of breaker of plastic casing II and UC2 end, fuse FU5 and phase line A13; Described circuit II comprises successively and to be connected: UC1 end and UC2 end, fuse FU10 and the phase line A23 of device for under-voltage releasing equipment in the normally-closed contact F14 of auxiliary contact common port F11, the breaker of plastic casing I of phase line A21, fuse FU9, breaker of plastic casing I, breaker of plastic casing II.
Described dual power supply low-tension switch cabinet, wherein, described switch cubicle body door is connected with framework by rotary shaft hinges, and flanging place is embedded with a mountain type rubber-plastic strip.
Described dual power supply low-tension switch cabinet, wherein, switch cubicle body is general cabinet, and top cover is releasable, and suspension ring are equipped with at four jiaos, top, and framework is 8MF cold-rolled forming section.
Described dual power supply low-tension switch cabinet, wherein, some heat radiation slotted eyes are established respectively at the described upper and lower two ends of switch cubicle body.
The beneficial effects of the utility model are: this dual power supply low-tension switch cabinet, take up room little, and easy for installation, safe and reliable, practical, equipment investment is little, greatly reduces maintenance cost; Easily realize the integrated of line, each road incoming power respectively through isolating switch separately and inlet wire breaker of plastic casing to next stage power transmission, can realize independent separately completely, in the time that a way switch goes wrong, do not affect the normal work on an other road, realize machinery and electric dual interlock, more practical, safer, ensure the reliability of dual power supply; Switch cubicle body door is installed, convenient disassembly, and the application of mountain type rubber-plastic strip can prevent door and cabinet direct collision, has improved the degree of protection of door; Heat radiation slotted eye is set, good heat dissipation effect.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is mechanical locking device structural representation of the present utility model.
Fig. 3 is electrical interlocking system circuit diagram of the present utility model.
In accompanying drawing: 1, load-break switch I, 2, breaker of plastic casing I, 3, load-break switch II, 4, breaker of plastic casing II, 5, bus, 6, mechanical locking device, 7, wire-outgoing breaker, 8, switch cubicle body.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further.
A kind of dual power supply low-tension switch cabinet, comprise switch cubicle body 8 and the load-break switch I1 that is located at switch cubicle body 8 inside, breaker of plastic casing I2, load-break switch II 3, breaker of plastic casing II 4, described load-break switch I1 is connected with the input of breaker of plastic casing I2 and breaker of plastic casing II 4 respectively by bus 5 with the output of load-break switch II 3, breaker of plastic casing I2 is connected 5 wire-outgoing breakers 7 with breaker of plastic casing II 4 outputs, also comprise mechanical locking device 6 and electrical interlocking system that control breaker of plastic casing I2 and breaker of plastic casing II 4 are interlocked.
Described breaker of plastic casing I2 and breaker of plastic casing II 4 are laterally arranged on installing rack side by side, the fixed mount two ends of mechanical locking device 6 are separately fixed in breaker of plastic casing I2 and breaker of plastic casing II 4, mechanical locking device 6 is provided with the slide plate switch that can horizontally slip, in the time that needs close a floodgate breaker of plastic casing I2, first will be by breaker of plastic casing II 4 separating brakes, slide plate switch just can move right, now, by breaker of plastic casing I2 release to be closed a floodgate, the operating grip locking of breaker of plastic casing II 4 is lived, make it to operate, after breaker of plastic casing I2 closes a floodgate, also locking slide plate conversely of its operating grip, make the slide plate switch can not be to left movement, as long as breaker of plastic casing I2 is in closing position, slide plate is just lived the operating grip locking of breaker of plastic casing II 4 always, can not carry out closing operation, otherwise, in the time that needs close a floodgate breaker of plastic casing II 4, first will be by breaker of plastic casing I2 separating brake, slide plate switch could be to left movement, now, by breaker of plastic casing II 4 releases to be closed a floodgate, the operating grip locking of breaker of plastic casing I2 is lived, make it to operate, after breaker of plastic casing II 4 is closed a floodgate, also locking slide plate conversely of its breaker operator handle, slide plate switch can not be moved right, as long as breaker of plastic casing II 4 is in closing position, slide plate switch is just lived the operating grip locking of breaker of plastic casing I2 always, and breaker of plastic casing I2 can not carry out closing operation, these mechanical locking device 6 structure improvements, reliable in action.
In described breaker of plastic casing I2 and breaker of plastic casing II 4 respectively with the AC380V time delay device for under-voltage releasing equipment of 1.5 seconds, its effect be for prevent that instantaneous dead electricity from appearring in line voltage and situation about restoring electricity suddenly under the unnecessary action tripping operation of device for under-voltage releasing equipment.
Described switch cubicle body 8 is general cabinet, and top cover is releasable, and suspension ring are equipped with at four jiaos, top, is convenient to lifting and shipment, and framework is 8MF cold-rolled forming section, and safety is firm.
8 described of switch cubicle bodies are connected with framework by rotary shaft hinges, install, dismantle very convenient, door flanging place be embedded with a mountain type rubber-plastic strip, at closing time, filler rod between door and framework has certain compression travel, can prevent door and cabinet direct collision, has improved the degree of protection of door.
Described switch cubicle body is established respectively some heat radiation slotted eyes in two ends Shang Xia 8, and when after electric elements heating in cabinet, heat rises, discharge by upper end slotted eye, and cold wind is constantly supplemented into cabinet by lower end slotted eye, make the cabinet of sealing form a natural ventilation channel from bottom to top, reach the object of heat radiation.
Described electrical interlocking system is divided into circuit I and circuit II, in circuit I: phase line A11 is connected to the auxiliary contact common port F11 of breaker of plastic casing II 4 through overcurrent fuse FU4, the UC1 end of receiving again breaker of plastic casing I2 device for under-voltage releasing equipment through the normally-closed contact F14 of breaker of plastic casing II 4, the UC2 end of breaker of plastic casing I2 is connected to phase line A13 through overcurrent fuse FU5; In circuit II: phase line A21 is connected to the auxiliary contact common port F11 of breaker of plastic casing I2 through overcurrent fuse FU9, the UC1 end of receiving again breaker of plastic casing II 4 device for under-voltage releasing equipment through the normally-closed contact F14 of breaker of plastic casing I2, the UC2 end of breaker of plastic casing II 4 is connected to phase line A23 through overcurrent fuse FU10.
This dual power supply low-tension switch cabinet, takes up room little, and easy for installation, safe and reliable, practical, equipment investment is little, greatly reduces maintenance cost; Easily realize the integrated of line, each road incoming power respectively through isolating switch separately and inlet wire breaker of plastic casing to next stage power transmission, can realize independent separately completely, in the time that a way switch goes wrong, do not affect the normal work on an other road, realize machinery and electric dual interlock, more practical, safer, ensure the reliability of dual power supply.
Claims (8)
1. a dual power supply low-tension switch cabinet, comprise switch cubicle body (8), it is characterized in that, also comprise and be located at the inner load-break switch I(1 of switch cubicle body (8)), breaker of plastic casing I(2), load-break switch II (3) and breaker of plastic casing II (4), described load-break switch I(1) with the output of load-break switch II (3) by bus (5) respectively with breaker of plastic casing I(2) and the input of breaker of plastic casing II (4) be connected, breaker of plastic casing I(2) be connected some wire-outgoing breakers (7) with breaker of plastic casing II (4) output, also comprise and control breaker of plastic casing I(2) and breaker of plastic casing II (4) mechanical locking device (6) and the electrical interlocking system of interlocking.
2. dual power supply low-tension switch cabinet according to claim 1, it is characterized in that, breaker of plastic casing I(2) and breaker of plastic casing II (4) be laterally arranged on side by side on installing rack, described mechanical locking device (6) is arranged on breaker of plastic casing I(2) and breaker of plastic casing II (4) in the middle of.
3. dual power supply low-tension switch cabinet according to claim 1 and 2, is characterized in that, mechanical locking device (6) comprises fixed mount and the slide plate switch that can horizontally slip.
4. dual power supply low-tension switch cabinet according to claim 1 and 2, is characterized in that, breaker of plastic casing I(2) and breaker of plastic casing II (4) respectively with the AC380V time delay device for under-voltage releasing equipment of 1.5 seconds.
5. dual power supply low-tension switch cabinet according to claim 1, it is characterized in that, described electrical interlocking system comprises circuit I and circuit II, and described circuit I comprises successively and to be connected: the auxiliary contact common port F11 of phase line A11, fuse FU4, breaker of plastic casing II (4), normally-closed contact F14, the breaker of plastic casing I(2 of breaker of plastic casing II (4)) UC1 end and the UC2 of upper device for under-voltage releasing equipment holds, fuse FU5 and phase line A13; Described circuit II comprises successively and to be connected: phase line A21, fuse FU9, breaker of plastic casing I(2) auxiliary contact common port F11, breaker of plastic casing I(2) UC1 end and the UC2 of normally-closed contact F14, the upper device for under-voltage releasing equipment of breaker of plastic casing II (4) hold, fuse FU10 and phase line A23.
6. dual power supply low-tension switch cabinet according to claim 1, is characterized in that, described switch cubicle body (8) door is connected with framework by rotary shaft hinges, and flanging place is embedded with a mountain type rubber-plastic strip.
7. dual power supply low-tension switch cabinet according to claim 1, is characterized in that, switch cubicle body (8) is general cabinet, and top cover is releasable, and suspension ring are equipped with at four jiaos, top, and framework is 8MF cold-rolled forming section.
8. dual power supply low-tension switch cabinet according to claim 1, is characterized in that, some heat radiation slotted eyes are established respectively at the upper and lower two ends of described switch cubicle body (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520716776.3U CN205265043U (en) | 2015-09-17 | 2015-09-17 | Dual power supply low -voltage switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520716776.3U CN205265043U (en) | 2015-09-17 | 2015-09-17 | Dual power supply low -voltage switchgear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205265043U true CN205265043U (en) | 2016-05-25 |
Family
ID=56006550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520716776.3U Expired - Fee Related CN205265043U (en) | 2015-09-17 | 2015-09-17 | Dual power supply low -voltage switchgear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205265043U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107317236A (en) * | 2017-08-25 | 2017-11-03 | 国家电网公司 | Plug-in dual power supply low pressure feeder pillar |
-
2015
- 2015-09-17 CN CN201520716776.3U patent/CN205265043U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107317236A (en) * | 2017-08-25 | 2017-11-03 | 国家电网公司 | Plug-in dual power supply low pressure feeder pillar |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 272100 East Head of Zhang Shi Road, Rencheng District, Jining City, Shandong Province (Sanyao Village, Li Ying Town) Patentee after: Shandong Jingchuang Switchgear Co., Ltd. Address before: 272100 East Head of Zhang Shi Road, Liying Street, Rencheng District, Jining City, Shandong Province Patentee before: JINING JINGCHUANG SWITCH ELECTRIC APPLIANCE CO., LTD. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160525 Termination date: 20200917 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |