CN105375345A - Power distribution cabinet - Google Patents
Power distribution cabinet Download PDFInfo
- Publication number
- CN105375345A CN105375345A CN201510548462.1A CN201510548462A CN105375345A CN 105375345 A CN105375345 A CN 105375345A CN 201510548462 A CN201510548462 A CN 201510548462A CN 105375345 A CN105375345 A CN 105375345A
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- Prior art keywords
- coil
- fuse
- protective device
- earth leakage
- leakage protective
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Abstract
A power distribution cabinet comprises a cabinet and a control circuit. The control circuit is led into the cabinet via a cable inlet in the bottom of the cabinet. The control circuit comprises a power input, a transformer, a leakage protector, a circuit breaker, an electromagnetic brake and a motor. The power input is equipped with a switch of the circuit breaker, and is connected with the input end of the transformer through a first fuse and a second fuse which are connected in parallel. The output end of the transformer is connected with the coil of the leakage protector after being connected in series with a third fuse and a dry resistor. The coil of the leakage protector is connected with a current transformer arranged on the power input. The two ends of the coil of the leakage protector are connected in parallel with the coil of the circuit breaker and a first contact of the leakage protector which are connected in series. A second contact of the leakage protector is connected in series with a power indicator lamp and a test button and then connected in parallel to the two ends of the coil of the leakage protector. After being connected through the motor and the electromagnetic brake with a power transmission button and a power cut-off button which are connected in parallel, the circuit breaker is connected in parallel to the two ends of the coil of the leakage protector. The power distribution cabinet can realize automatic power transmission and cut-off.
Description
Technical field
The present invention relates to a kind of power distribution cabinet, particularly relate to a kind of standby power distribution cabinet automatically can forfeiting electricity, belong to distribution service technique field.
Background technology
There is the 1000V chassis equipment of 26 different models Mei Gang group Mining Industry Subsidiary Company down-hole; they have random 1000V power distribution cabinet; there are 54 1000V power distribution cabinets current Mining Industry Subsidiary Company down-hole; find that existing power distribution cabinet handle damages in process of production high; cause maintenance cost high, operate security incidents such as also Explosion of Transformer often can occurring constantly, main switch arcing is hurted sb.'s feelings.
Summary of the invention
The object of the invention is to: the shortcoming overcoming prior art, provide a kind of power distribution cabinet, can realize automatically forfeiting electricity, equipment controls flexibly, to take up room little, have the advantages that maintenance cost is low, reliability is strong, failure rate is little, easy to operate.
In order to reach above object, the invention provides a kind of power distribution cabinet, comprise rack and control circuit, the bottom of rack is provided with long cable section of ingoing line mouth, control circuit introduces interior of equipment cabinet by long cable section of ingoing line mouth, control circuit comprises power supply input, transformer, earth leakage protective device, circuit breaker, electromagnetic brake and motor, power supply input is provided with the switch of circuit breaker, power supply input is through the first fuse of parallel connection and the input of the second fuse connection transformer, output series connection the 3rd fuse of transformer is connected with the coil of earth leakage protective device with after dry resistance, the coil of earth leakage protective device be located at the current transformer that power supply inputs and be connected, the coil two ends coil of circuit breaker that is in series of parallel connection of earth leakage protective device and the first contact of earth leakage protective device, the coil two ends of earth leakage protective device are parallel to after second contact series power supply indicator of earth leakage protective device and testing button, circuit breaker is parallel to the coil two ends of earth leakage protective device to be connected the power transmission button and power failure button be in parallel with electromagnetic brake by motor after.
By button control electrically operated device, then circuit breaker is driven to realize distribution and automatically forfeit electricity by electrically operated device.In automatic power transmission situation, start power transmission button, electromagnetic brake obtains electric, and machine operation drives circuit breaker to realize automatic power transmission, and start cut-off button, electromagnetic brake obtains electric, and machine operation drives circuit breaker to realize auto-breaking; In detection of electrical leakage situation; start power transmission button; electromagnetic brake obtains electric; machine operation drives circuit breaker to realize automatic power transmission, and now earth leakage protective device coil obtains electric, and current transformer line is connected on earth leakage protective device and detects; the rear earth leakage protective device contact of energising works, indicator light is bright; the earth leakage protective device coil losing electricity when pressing testing button, the coil also dead electricity of circuit breaker, circuit breaker auto-breaking.
Preferred version of the present invention is: rack comprises cabinet door and cabinet, cabinet door is laterally provided with power lights, testing button, power transmission button and cut-off button successively, is provided with main switch and control circuit in cabinet.
More preferably, the cabinet place below cabinet door is provided with cable outlet plug.
Preferably, power supply is input as the input of 1000V power supply, and transformer is 1000V/220V transformer, and the first fuse, the second fuse and the 3rd fuse are 2A fuse.
Preferably, power supply constrained input socket is connected.
Beneficial effect of the present invention is: by button control electrically operated device, drive circuit breaker to realize distribution by electrically operated device again and automatically forfeit electricity, equipment controls flexibly, safe and reliable, take up room little, have the advantages that maintenance cost is low, reliability is strong, failure rate is little, easy to operate.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further illustrated.
Fig. 1 is circuit diagram of the present invention.
Fig. 2 is structural representation of the present invention.
Embodiment
Embodiment one
The kind power distribution cabinet that the present embodiment provides, as shown in Figure 1, comprise rack and control circuit, the bottom of rack is provided with long cable section of ingoing line mouth, control circuit introduces interior of equipment cabinet by long cable section of ingoing line mouth, control circuit comprises power supply input 1, transformer 2, earth leakage protective device 3, circuit breaker 6, electromagnetic brake 13 and motor 14, power supply input 1 is connected with accessory power outlet 15, which is provided with the switch of circuit breaker 6, power supply input 1 is through the first fuse F1 of parallel connection and the input of the second fuse F2 connection transformer 2, output series connection the 3rd fuse F3 of transformer 2 is connected with the coil of earth leakage protective device 3 with after dry resistance 5, the coil of earth leakage protective device 3 be located at the current transformer 4 that power supply inputs on 1 and be connected, the coil two ends coil 7 of circuit breaker that is in series of parallel connection of earth leakage protective device 3 and the first contact 9 of earth leakage protective device, the coil two ends of earth leakage protective device 3 are parallel to after second contact 10 series-connection power supplies indicator light 8 of earth leakage protective device and testing button 16, circuit breaker 6 is parallel to the coil two ends of earth leakage protective device 3 to be connected the power transmission button 11 and power failure button 12 be in parallel with electromagnetic brake 13 by motor 14 after.
As shown in Figure 2, rack comprises cabinet door 17 and cabinet 18, and cabinet door 17 is laterally provided with power lights 8, testing button 16, power transmission button 11 and cut-off button 12 successively, and in cabinet, 18 are provided with main switch and control circuit.
Cabinet 18 place below cabinet door 17 is provided with cable outlet plug 19.
Power supply input 1 is the input of 1000V power supply, and transformer 2 is 1000V/220V transformer, and the first fuse F1, the second fuse F2 and the 3rd fuse F3 are 2A fuse, and dry resistance is the dry resistance of 220V.
In automatic power transmission situation, start power transmission button 11, electromagnetic brake 13 obtains electric, and motor 14 work strip is moved circuit breaker 6 and realized automatic power transmission, starts cut-off button 12, and electromagnetic brake 13 obtains electric, and motor 14 work strip is moved circuit breaker 6 and realized auto-breaking; In detection of electrical leakage situation; start power transmission button 11; electromagnetic brake 13 obtains electric; motor 14 work strip is moved circuit breaker 6 and is realized automatic power transmission, and now earth leakage protective device coil 7 obtains electric, and current transformer 4 is connected on earth leakage protective device 3 and detects; the rear earth leakage protective device contact 9,10 of energising works, indicator light 8 is bright; earth leakage protective device coil 7 dead electricity when pressing testing button 16, the coil also dead electricity of circuit breaker 6, circuit breaker 6 auto-breaking.
This equipment by button control electrically operated device, then drives circuit breaker to realize distribution by electrically operated device automatically to forfeit electricity, and equipment controls flexibly, safe and reliable, takes up room little, has the advantages that maintenance cost is low, reliability is strong, failure rate is little, easy to operate
In addition to the implementation, the present invention can also have other execution modes.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection range of application claims.
Claims (5)
1. a power distribution cabinet, comprise rack and control circuit, it is characterized in that, the bottom of described rack is provided with long cable section of ingoing line mouth, control circuit introduces described interior of equipment cabinet by described long cable section of ingoing line mouth, described control circuit comprises power supply input, transformer, earth leakage protective device, circuit breaker, electromagnetic brake and motor, described power supply input is provided with the switch of described circuit breaker, the input of described power supply is connected the input of described transformer with the second fuse through the first fuse of parallel connection, output series connection the 3rd fuse of described transformer is connected with the coil of described earth leakage protective device with after dry resistance, the coil of described earth leakage protective device be located at the current transformer that power supply inputs and be connected, the coil two ends coil of described circuit breaker that is in series of parallel connection of described earth leakage protective device and the first contact of described earth leakage protective device, the coil two ends of described earth leakage protective device are parallel to after second contact series power supply indicator of described earth leakage protective device and testing button, described circuit breaker is parallel to the coil two ends of described earth leakage protective device to be connected the power transmission button and power failure button be in parallel with described electromagnetic brake by described motor after.
2. a kind of power distribution cabinet according to claim 1, it is characterized in that, described rack comprises cabinet door and cabinet, described cabinet door is laterally provided with described power lights, described testing button, described power transmission button and described cut-off button successively, is provided with main switch and control circuit in described cabinet.
3. a kind of power distribution cabinet according to claim 2, is characterized in that, the cabinet place below described cabinet door is provided with cable outlet plug.
4. a kind of power distribution cabinet according to claim 1, it is characterized in that, described power supply is input as the input of 1000V power supply, and described transformer is 1000V/220V transformer, and described first fuse, described second fuse and described 3rd fuse are 2A fuse.
5. a kind of power distribution cabinet according to claim 1, is characterized in that, described power supply constrained input socket is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510548462.1A CN105375345B (en) | 2015-08-31 | 2015-08-31 | Power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510548462.1A CN105375345B (en) | 2015-08-31 | 2015-08-31 | Power distribution cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105375345A true CN105375345A (en) | 2016-03-02 |
| CN105375345B CN105375345B (en) | 2019-02-01 |
Family
ID=55377264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510548462.1A Active CN105375345B (en) | 2015-08-31 | 2015-08-31 | Power distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105375345B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655089A (en) * | 2017-03-22 | 2017-05-10 | 南通市海王电气有限公司 | Intelligent power distribution cabinet |
| CN107768992A (en) * | 2016-08-17 | 2018-03-06 | 天津中电华利电器科技集团有限公司 | A kind of portable high-low voltage electric power distribution cabinet |
| CN110071480A (en) * | 2018-07-24 | 2019-07-30 | 天津天星科技发展有限公司 | Leakage protection device suitable for data communication |
| CN110707542A (en) * | 2019-09-10 | 2020-01-17 | 深圳市东升源电气设备有限公司 | Switch board takes precautions against earthquakes |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2082014U (en) * | 1990-08-29 | 1991-07-31 | 郭行干 | Electric working device of auto-switch |
| CN2275294Y (en) * | 1996-08-12 | 1998-02-25 | 贵州工学院电器厂 | Power control cabinet for mine movable excavation equipment |
| CN2501180Y (en) * | 2001-09-04 | 2002-07-17 | 张友良 | Multifunctional electromagnetic leakage circuit breaker |
| CN201094134Y (en) * | 2007-05-29 | 2008-07-30 | 浙江正泰电器股份有限公司 | Residual current operation protector with self-diagnostic function |
| CN104392870A (en) * | 2014-12-15 | 2015-03-04 | 常州高斯精密工具有限公司 | Switching-on circuit for breaker electromotor |
-
2015
- 2015-08-31 CN CN201510548462.1A patent/CN105375345B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2082014U (en) * | 1990-08-29 | 1991-07-31 | 郭行干 | Electric working device of auto-switch |
| CN2275294Y (en) * | 1996-08-12 | 1998-02-25 | 贵州工学院电器厂 | Power control cabinet for mine movable excavation equipment |
| CN2501180Y (en) * | 2001-09-04 | 2002-07-17 | 张友良 | Multifunctional electromagnetic leakage circuit breaker |
| CN201094134Y (en) * | 2007-05-29 | 2008-07-30 | 浙江正泰电器股份有限公司 | Residual current operation protector with self-diagnostic function |
| CN104392870A (en) * | 2014-12-15 | 2015-03-04 | 常州高斯精密工具有限公司 | Switching-on circuit for breaker electromotor |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107768992A (en) * | 2016-08-17 | 2018-03-06 | 天津中电华利电器科技集团有限公司 | A kind of portable high-low voltage electric power distribution cabinet |
| CN106655089A (en) * | 2017-03-22 | 2017-05-10 | 南通市海王电气有限公司 | Intelligent power distribution cabinet |
| CN110071480A (en) * | 2018-07-24 | 2019-07-30 | 天津天星科技发展有限公司 | Leakage protection device suitable for data communication |
| CN110707542A (en) * | 2019-09-10 | 2020-01-17 | 深圳市东升源电气设备有限公司 | Switch board takes precautions against earthquakes |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105375345B (en) | 2019-02-01 |
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Address after: 210039 new building, Zhonghua Gate, Yuhuatai District, Jiangsu, Nanjing Patentee after: Nanjing Baodi Meishan Industrial City Development Co.,Ltd. Patentee after: SHANGHAI MEISHAN IRON & STEEL Co.,Ltd. Address before: 210039 new building, Zhonghua Gate, Yuhuatai District, Jiangsu, Nanjing Patentee before: NANJING MEISHAN METALLURGY DEVELOPMENT Co.,Ltd. Patentee before: SHANGHAI MEISHAN IRON & STEEL Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211029 Address after: 210039 new building, Zhonghua Gate, Yuhuatai District, Jiangsu, Nanjing Patentee after: Nanjing Baodi Meishan Industrial City Development Co.,Ltd. Address before: 210039 new building, Zhonghua Gate, Yuhuatai District, Jiangsu, Nanjing Patentee before: Nanjing Baodi Meishan Industrial City Development Co.,Ltd. Patentee before: SHANGHAI MEISHAN IRON & STEEL Co.,Ltd. |
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| TR01 | Transfer of patent right |