CN105375345B - Power distribution cabinet - Google Patents
Power distribution cabinet Download PDFInfo
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- CN105375345B CN105375345B CN201510548462.1A CN201510548462A CN105375345B CN 105375345 B CN105375345 B CN 105375345B CN 201510548462 A CN201510548462 A CN 201510548462A CN 105375345 B CN105375345 B CN 105375345B
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- protective device
- earth leakage
- leakage protective
- power
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Abstract
A kind of power distribution cabinet, including cabinet and control circuit, control circuit introduces interior of equipment cabinet by the long cable section of ingoing line mouth of the bottom of cabinet, control circuit includes power input, transformer, earth leakage protective device, breaker, electromagnetic brake and motor, power input is equipped with the switch of breaker, input terminal of the power input through the first fuse and the second fuse connection transformer in parallel, it is connected after the output end series connection third fuse and dry resistance of transformer with the coil of earth leakage protective device, the coil of earth leakage protective device is connected with the current transformer being set in power input, the coil for the breaker that the coil both ends parallel connection of earth leakage protective device is connected in series and the first contact of earth leakage protective device, the coil both ends of earth leakage protective device are parallel to after the second contact series power supply indicator and testing button of earth leakage protective device, breaker passes through motor and electromagnetic braking The coil both ends of earth leakage protective device are parallel to after power transmission button and power failure button that device connection is in parallel, which can realize forfeits electricity automatically.
Description
Technical field
The present invention relates to a kind of power distribution cabinets, more particularly to a kind of standby power distribution cabinet that can forfeit electricity automatically, belong to distribution maintenance
Technical field.
Background technique
There is the 1000V trolley equipment of 26 different models in Mei Gang group Mining Industry Subsidiary Company underground, they have random 1000V
Power distribution cabinet, there are 54 1000V power distribution cabinets in Mining Industry Subsidiary Company underground at present, finds existing power distribution cabinet handle damage in process of production
It is bad high, cause maintenance cost high, in operation when Explosion of Transformer can often also occur, the safety accidents such as main switch arcing is hurted sb.'s feelings.
Summary of the invention
It is an object of the invention to the shortcomings that overcoming the prior art, a kind of power distribution cabinet is provided, it can be achieved that forfeit electricity automatically,
Equipment control flexibly, occupies little space, has the characteristics that maintenance cost is low, highly reliable, failure rate is small, easy to operate.
In order to reach the goals above, the present invention provides a kind of power distribution cabinet, including cabinet and control circuit, and the bottom of cabinet is set
There is long cable section of ingoing line mouth, control circuit introduces interior of equipment cabinet by long cable section of ingoing line mouth, and control circuit includes power input, transformer, leakage
Non-electricity protector, breaker, electromagnetic brake and motor, power input are equipped with the switch of breaker, and power input is through parallel connection
The input terminal of first fuse and the second fuse connection transformer, the output end series connection third fuse and dry electricity of transformer
It is connected after resistance with the coil of earth leakage protective device, the coil of earth leakage protective device is connected with the current transformer being set in power input,
The coil for the breaker that the coil both ends parallel connection of earth leakage protective device is connected in series and the first contact of earth leakage protective device, earth leakage protective device
The second contact series power supply indicator and testing button after be parallel to the coil both ends of earth leakage protective device, breaker passes through motor
The coil both ends that earth leakage protective device is parallel to after the power transmission button and power failure button being in parallel are connected with electromagnetic brake.
Electrically operated device is controlled by button, then drives breaker to realize that distribution is forfeited automatically by electrically operated device
Electricity.In the case of automatic power transmission, starting power transmission button, electromagnetic brake obtains electric, the automatic power transmission of the dynamic breaker realization of motor work belt,
Start power failure button, electromagnetic brake obtain it is electric, motor work belt move breaker realization automatically powers off；In the case of detection of electrical leakage, open
Dynamic power transmission button, electromagnetic brake obtain electric, and motor work belt moves breaker and realizes automatic power transmission, and breaker coil obtains electric at this time,
Current transformer line connects to be detected in earth leakage protective device, and the work of earth leakage protective device contact, indicator light are bright after energization, is surveyed when pressing
Breaker coil power loss when button is tried, also power loss, breaker automatically power off the coil of breaker.
Preferred embodiment of the invention is: cabinet includes cabinet door and cabinet body, and power supply indicator is laterally successively arranged in cabinet door, is surveyed
Button, power transmission button and power failure button are tried, main switch and control circuit are installed in cabinet body.
It is highly preferred that being equipped with cable outlet plug at cabinet body below cabinet door.
Preferably, power input is 1000V power input, and transformer is 1000V/220V transformer, the first fuse, the
Two fuses and third fuse are 2A fuse.
Preferably, power input is connected with accessory power outlet.
The invention has the following beneficial effects: controlling electrically operated device by button, then breaker is driven by electrically operated device
Realize that distribution forfeits electricity automatically, equipment control flexibly, securely and reliably, occupies little space, low, highly reliable with maintenance cost,
Small, the easy to operate feature of failure rate.
Detailed description of the invention
The present invention will be further described below with reference to the drawings.
Fig. 1 is circuit diagram of the invention.
Fig. 2 is structural schematic diagram of the invention.
Specific embodiment
Embodiment one
A kind power distribution cabinet provided in this embodiment, as shown in Figure 1, including cabinet and control circuit, the bottom of cabinet is set
Have a long cable section of ingoing line mouth, control circuit introduces interior of equipment cabinet by long cable section of ingoing line mouth, control circuit include power input 1, transformer 2,
Earth leakage protective device 3, breaker 6, electromagnetic brake 13 and motor 14, power input 1 are connected with accessory power outlet 15, which is provided with disconnected
The switch of road device 6, input terminal of the power input 1 through the first fuse F1 and the second fuse F2 connection transformer 2 in parallel, becomes
It is connected after the output end series connection third fuse F3 and dry resistance 5 of depressor 2 with the coil of earth leakage protective device 3, earth leakage protective device 3
Coil be set to power input 1 on current transformer 4 be connected, the coil both ends parallel connection of earth leakage protective device 3 be connected in series break
The coil 7 of road device and the first contact 9 of earth leakage protective device, the 10 series-connection power supplies indicator light 8 of the second contact of earth leakage protective device and survey
The coil both ends of earth leakage protective device 3 are parallel to after examination button 16, breaker 6 connects phase by motor 14 and electromagnetic brake 13
The coil both ends of earth leakage protective device 3 are parallel to after power transmission button 11 and power failure button 12 in parallel.
As shown in Fig. 2, cabinet includes cabinet door 17 and cabinet body 18, power supply indicator 8, test are laterally successively arranged in cabinet door 17
Button 16, power transmission button 11 and power failure button 12,18 are equipped with main switch and control circuit in cabinet body.
Cable outlet plug 19 is equipped at the cabinet body 18 of 17 lower section of cabinet door.
Power input 1 is 1000V power input, and transformer 2 is 1000V/220V transformer, the first fuse F1, second
Fuse F2 and third fuse F3 is 2A fuse, and dry resistance is the dry resistance of 220V.
In the case of automatic power transmission, start power transmission button 11, electromagnetic brake 13 must be electric, and 14 work belt of motor moves breaker 6
It realizes automatic power transmission, starts power failure button 12, electromagnetic brake 13 must be electric, and 14 work belt of motor is moved breaker 6 and realized from dynamic circuit breaker
Electricity；In the case of detection of electrical leakage, start power transmission button 11, electromagnetic brake 13 it is electric, 14 work belt of motor move breaker 6 realize from
Dynamic power transmission, breaker coil 7 obtains electric at this time, and current transformer 4 connects to be detected on earth leakage protective device 3, leaks electricity and protects after energization
The work of shield device contact 9,10, indicator light 8 are bright, 7 power loss of breaker coil when pressing testing button 16, the coil of breaker 6
Power loss, breaker 6 automatically power off.
The equipment controls electrically operated device by button, then drives breaker to realize that distribution is automatic by electrically operated device
Electricity is forfeited, equipment control flexibly, securely and reliably, occupies little space, with maintenance cost is low, highly reliable, failure rate is small, operation
Convenient feature
In addition to the implementation, the present invention can also have other embodiments.It is all to use equivalent substitution or equivalent transformation shape
At technical solution, fall within the scope of protection required by the present invention.
Claims (5)
1. a kind of power distribution cabinet, including cabinet and control circuit, which is characterized in that the bottom of the cabinet is equipped with long cable section of ingoing line mouth,
Control circuit introduces the interior of equipment cabinet by the long cable section of ingoing line mouth, and the control circuit includes power input, transformer, electric leakage
Protector, breaker, electromagnetic brake and motor, the power input are equipped with the switch of the breaker, and the power supply is defeated
Enter the input terminal that the transformer is connected through the first fuse and the second fuse in parallel, the output end series connection of the transformer
Be connected after third fuse and dry resistance with the coil of the earth leakage protective device, the coil of the earth leakage protective device be set to it is electric
Current transformer in the input of source is connected, the coil for the breaker that the coil both ends parallel connection of the earth leakage protective device is connected in series
With the first contact of the earth leakage protective device, after the second contact series power supply indicator and testing button of the earth leakage protective device
The coil both ends of the earth leakage protective device are parallel to, the breaker is connected mutually simultaneously by the motor with the electromagnetic brake
The coil both ends of the earth leakage protective device are parallel to after the power transmission button and power failure button of connection.
2. a kind of power distribution cabinet according to claim 1, which is characterized in that the cabinet includes cabinet door and cabinet body, the cabinet
Laterally the power supply indicator, the testing button, the power transmission button and power failure button are successively arranged on door, in the cabinet body
Main switch and control circuit are installed.
3. a kind of power distribution cabinet according to claim 2, which is characterized in that go out at the cabinet body below the cabinet door equipped with cable
Line plug.
4. a kind of power distribution cabinet according to claim 1, which is characterized in that the power input is 1000V power input, institute
Stating transformer is 1000V/220V transformer, and first fuse, second fuse and the third fuse are
2A fuse.
5. a kind of power distribution cabinet according to claim 1, which is characterized in that the power input is connected with accessory power outlet.
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 CN105375345A (en) | 2016-03-02 |
| CN105375345B true 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) |
Families Citing this family (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 |
| CN110707542B (en) * | 2019-09-10 | 2021-06-08 | 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105375345A (en) | 2016-03-02 |
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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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| TR01 | Transfer of patent right | ||
| 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. |