CN105305375A - Electric leakage protection device of distribution box - Google Patents
Electric leakage protection device of distribution box Download PDFInfo
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- CN105305375A CN105305375A CN201510737147.3A CN201510737147A CN105305375A CN 105305375 A CN105305375 A CN 105305375A CN 201510737147 A CN201510737147 A CN 201510737147A CN 105305375 A CN105305375 A CN 105305375A
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- 238000001514 detection method Methods 0.000 claims abstract description 17
- 230000003028 elevating effect Effects 0.000 claims description 10
- 230000003321 amplification Effects 0.000 claims description 6
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
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Abstract
The invention relates to an electric leakage protection device of a distribution box. The electric leakage protection device comprises an electric leakage detection unit, a master control unit, fire protection layers, a temperature sensor and a fan, wherein the electric leakage detection unit comprises a plurality of hall sensors; the plurality of hall sensors are respectively arranged on the top wall, the vertical side wall and the bottom wall in the distribution box; the electric leakage detection unit also comprises a current transformer and a circuit breaker; an output end of the current transformer is connected to an input end of the master control unit; the output end of the master control unit is connected to the circuit breaker through a release; the fire protection layers are arranged on the vertical side wall and the bottom wall of the outside of the distribution box; the temperature sensor and the fan are arranged in the distribution box; and meanwhile, the output end of the master control unit is also respectively connected with an alarm unit and a display unit. By the structure, effective detection, pre-warning and protection can be carried out aiming at the electric leakage phenomenon of the distribution box, so that the operational performance and the safety performance of the distribution box are greatly improved.
Description
Technical field
The present invention relates to a kind of distribution box leakage protection device.
Background technology
At power domain, distribution box is the key link of direct intended for end consumers in electric power system, it plays an important role in energy calculate, power distribution and control circui etc., and its system configuration whether improve the electricity consumption reliability and power quality that are directly connected to user.
Distribution box is arranged on open air mostly, accept the various boisterous tests such as sleet, in its use procedure, a large amount of electric components of distribution box inside, instrument, switch and circuit etc., once distribution box ground connection is bad, Housing failure, aging circuit etc., just be easy to cause leaky, even also can cause the security incident such as human electric shock and initiation fire, and existing distribution box often can not take effective detection, early warning and safeguard procedures for leaky, this just have impact on serviceability and the security performance of distribution box greatly.
Summary of the invention
For overcoming above the deficiencies in the prior art, the technical problem to be solved in the present invention be to provide a kind ofly effectively can to detect for the leaky of distribution box, early warning and protection, thus greatly improve the serviceability of distribution box and the distribution box leakage protection device of security performance.
Technical scheme of the present invention is: a kind of distribution box leakage protection device, the main control unit comprising detection of electrical leakage unit and be connected with described detection of electrical leakage unit, described detection of electrical leakage unit includes multiple Hall element, described multiple Hall element is located on the roof of distribution box inside, vertical side walls and diapire respectively, and the output of Hall element is connected to the input of described main control unit; Described detection of electrical leakage unit further comprises and is connected to current transformer in distribution box electrical network and circuit breaker, the output of described current transformer is connected to the input of described main control unit, and the output of described main control unit is also connected to described circuit breaker through release; This device further comprises be located at distribution box outside vertical side walls and diapire on fireprotection layer and be located at temperature sensor and the blower fan of distribution box inside, the output of described temperature sensor is connected to the input of described main control unit, the output of described main control unit is connected with the input of described blower fan, is also connected to alarm unit and display unit at the output of described main control unit simultaneously.
Above-mentioned distribution box leakage protection device, wherein also be connected with mobile comm unit at the output of described main control unit, described mobile comm unit adopts GPRS module or gsm module, and described main control unit adopts ARM microprocessor, described alarm unit is audible-visual annunciator, and described display unit is LCD display.
Above-mentioned distribution box leakage protection device, it also includes rain sensor, motor and elevating lever respectively, wherein said rain sensor is located at the outer tip end of distribution box, the external bottom end of distribution box is located at by described motor and elevating lever, and the output of described rain sensor is connected to the input of described main control unit, the output of described main control unit is connected through the input of motor-drive circuit with described motor, and described elevating lever vertically moves up and down under the driving of described motor.
Above-mentioned distribution box leakage protection device, the output of wherein said Hall element is connected to the input of described main control unit through signal processing circuit, wherein said signal processing circuit includes the signal amplification circuit be connected with the output of described Hall element and the signal filter circuit be connected with the output of described signal amplification circuit, and the output of described signal filter circuit is connected to the input of described main control unit.
Above-mentioned distribution box leakage protection device, is wherein also coated with insulation board in the outside of described fireprotection layer.
The invention has the beneficial effects as follows: by adopting said structure, the present invention effectively can detect for the leaky of distribution box, early warning and protection, thus greatly improves serviceability and the security performance of distribution box.
Accompanying drawing explanation
In order to make the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Fig. 1 is the electrical block diagram of distribution box leakage protection device.
Embodiment
As shown in Figure 1, a kind of distribution box leakage protection device, the main control unit comprising detection of electrical leakage unit and be connected with detection of electrical leakage unit, detection of electrical leakage unit includes multiple Hall element, multiple Hall element is located at the roof of distribution box inside respectively, on vertical side walls and diapire, and the output of Hall element is connected to the input of main control unit, detection of electrical leakage unit further comprises and is connected to current transformer in distribution box electrical network and circuit breaker, the output of current transformer is connected to the input of main control unit, and the output of main control unit is also connected to circuit breaker through release, this device further comprises be located at distribution box outside vertical side walls and diapire on fireprotection layer and be located at temperature sensor and the blower fan of distribution box inside, the output of temperature sensor is connected to the input of main control unit, the output of main control unit is connected with the input of blower fan, also be connected to alarm unit and display unit at the output of main control unit simultaneously.
Further, for above-mentioned distribution box leakage protection device, wherein also be connected with mobile comm unit at the output of main control unit, mobile comm unit adopts GPRS module or gsm module, and main control unit adopts ARM microprocessor, alarm unit is audible-visual annunciator, and display unit is LCD display.
In addition, for above-mentioned distribution box leakage protection device, wherein the output of Hall element is connected to the input of main control unit through signal processing circuit, wherein signal processing circuit includes the signal amplification circuit be connected with the output of Hall element and the signal filter circuit be connected with the output of signal amplification circuit, and the output of signal filter circuit is connected to the input of main control unit.
Under the above constitution, the electromagnetic field signal that leakage current produces on the casing of distribution box effectively can be detected by Hall element, and unsymmetrical current on the circuit that produces because of abnormal conditions such as electric leakage or human electric shocks is detected further by current transformer, accordingly, main control unit just can control circuit breaker and disconnect, thus cut off the power supply of this supply line to user load, effective guarantee safety; Simultaneously, by being provided with fireprotection layer in the vertical side walls and diapire of distribution box outside, and be provided with temperature sensor and blower fan in distribution box inside, thus not only can effectively avoid or greatly alleviate the fire caused because of abnormal conditions such as electric leakages, and when causing distribution the temperature inside the box too high because of reasons such as electric leakages, effectively can also lower the temperature to the inside of distribution box, thus effectively reduce disaster hidden-trouble.
As preferably, for above-mentioned distribution box leakage protection device, it also includes rain sensor respectively, motor and elevating lever, wherein rain sensor is located at the outer tip end of distribution box, the external bottom end of distribution box is located at by motor and elevating lever, and the output of rain sensor is connected to the input of main control unit, the output of main control unit is connected with the input of motor through motor-drive circuit, and elevating lever vertically moves up and down under the driving of motor, like this, when main control unit detects that extraneous rainfall is excessive, just can control motor drives elevating lever to do ascending motion, the casing of distribution box is upwards promoted further, thus the placement platform ponding avoided because of ground or distribution box and the electric leakage electric shock accident caused.
As further preferred, for above-mentioned distribution box leakage protection device, be wherein also coated with insulation board in the outside of fireprotection layer.Like this, just the safety of human body can have been ensured further.
In sum, by adopting said structure, the present invention effectively can detect for the leaky of distribution box, early warning and protection, thus greatly improves serviceability and the security performance of distribution box.
By reference to the accompanying drawings the preferred embodiments of the disclosure and embodiment are explained in detail above, but the present invention is not limited to the above-described embodiment and examples, in the ken that those skilled in the art possess, various change can also be made without departing from the inventive concept of the premise.
Claims (5)
1. a distribution box leakage protection device, the main control unit comprising detection of electrical leakage unit and be connected with described detection of electrical leakage unit, it is characterized in that: described detection of electrical leakage unit includes multiple Hall element, described multiple Hall element is located on the roof of distribution box inside, vertical side walls and diapire respectively, and the output of Hall element is connected to the input of described main control unit; Described detection of electrical leakage unit further comprises and is connected to current transformer in distribution box electrical network and circuit breaker, the output of described current transformer is connected to the input of described main control unit, and the output of described main control unit is also connected to described circuit breaker through release; This device further comprises be located at distribution box outside vertical side walls and diapire on fireprotection layer and be located at temperature sensor and the blower fan of distribution box inside, the output of described temperature sensor is connected to the input of described main control unit, the output of described main control unit is connected with the input of described blower fan, is also connected to alarm unit and display unit at the output of described main control unit simultaneously.
2. distribution box leakage protection device as claimed in claim 1, it is characterized in that: be also connected with mobile comm unit at the output of described main control unit, described mobile comm unit adopts GPRS module or gsm module, and described main control unit adopts ARM microprocessor, described alarm unit is audible-visual annunciator, and described display unit is LCD display.
3. distribution box leakage protection device as claimed in claim 1, it is characterized in that: this device also includes rain sensor, motor and elevating lever respectively, wherein said rain sensor is located at the outer tip end of distribution box, the external bottom end of distribution box is located at by described motor and elevating lever, and the output of described rain sensor is connected to the input of described main control unit, the output of described main control unit is connected through the input of motor-drive circuit with described motor, and described elevating lever vertically moves up and down under the driving of described motor.
4. distribution box leakage protection device as claimed in claim 1, it is characterized in that: the output of described Hall element is connected to the input of described main control unit through signal processing circuit, wherein said signal processing circuit includes the signal amplification circuit be connected with the output of described Hall element and the signal filter circuit be connected with the output of described signal amplification circuit, and the output of described signal filter circuit is connected to the input of described main control unit.
5. distribution box leakage protection device as claimed in claim 1, is characterized in that: be also coated with insulation board in the outside of described fireprotection layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510737147.3A CN105305375A (en) | 2015-11-04 | 2015-11-04 | Electric leakage protection device of distribution box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510737147.3A CN105305375A (en) | 2015-11-04 | 2015-11-04 | Electric leakage protection device of distribution box |
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| CN105305375A true CN105305375A (en) | 2016-02-03 |
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| CN201510737147.3A Pending CN105305375A (en) | 2015-11-04 | 2015-11-04 | Electric leakage protection device of distribution box |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107069675A (en) * | 2017-05-12 | 2017-08-18 | 芜湖乐佳自动化机械有限公司 | A kind of high-low pressure transformation cabinet leakage controller system and method |
| CN109616913A (en) * | 2019-01-02 | 2019-04-12 | 国网河南省电力公司濮阳供电公司 | A multifunctional electric energy metering box |
| CN110858704A (en) * | 2018-08-15 | 2020-03-03 | 江苏瀚晨电气科技有限公司 | Anti-leakage power distribution cabinet and electric leakage alarm method |
| CN111276880A (en) * | 2020-03-12 | 2020-06-12 | 河南恒电昌景电力工程有限公司 | An intelligent detection device for leakage fault of power distribution cabinet |
| CN111371177A (en) * | 2020-03-12 | 2020-07-03 | 河南恒电昌景电力工程有限公司 | Intelligent power control system and power control method thereof |
| CN111585194A (en) * | 2020-05-27 | 2020-08-25 | 四川康能电气股份有限公司 | Online intelligent monitoring system and online monitoring method for power inlet cabinet |
| CN112117675A (en) * | 2020-09-22 | 2020-12-22 | 江苏伊顿电气科技有限公司 | Novel intelligent low-voltage power distribution system |
| CN115548905A (en) * | 2022-09-22 | 2022-12-30 | 上海交通大学 | A power distribution cabinet with an electric leakage alarm device |
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| CN204214985U (en) * | 2014-11-27 | 2015-03-18 | 江苏联固电气有限公司 | The detection of electrical leakage of AC low voltage power switch box and electric shock prior-warning device |
| CN205178477U (en) * | 2015-11-04 | 2016-04-20 | 河北万博电器有限公司 | Block terminal electric leakage protector |
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- 2015-11-04 CN CN201510737147.3A patent/CN105305375A/en active Pending
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| CN202259066U (en) * | 2011-05-31 | 2012-05-30 | 胡俊兵 | Multipolar/monopolar low-voltage intelligent circuit breaker |
| CN202948350U (en) * | 2012-11-27 | 2013-05-22 | 江苏联固电气有限公司 | Intelligent regulating system for temperature and humidity in cabinet |
| CN103579932A (en) * | 2013-11-12 | 2014-02-12 | 长城电器集团乐山宁格朗电气有限责任公司 | Small-scale intelligent energy-saving box-type substation |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107069675A (en) * | 2017-05-12 | 2017-08-18 | 芜湖乐佳自动化机械有限公司 | A kind of high-low pressure transformation cabinet leakage controller system and method |
| CN110858704A (en) * | 2018-08-15 | 2020-03-03 | 江苏瀚晨电气科技有限公司 | Anti-leakage power distribution cabinet and electric leakage alarm method |
| CN109616913A (en) * | 2019-01-02 | 2019-04-12 | 国网河南省电力公司濮阳供电公司 | A multifunctional electric energy metering box |
| CN111276880A (en) * | 2020-03-12 | 2020-06-12 | 河南恒电昌景电力工程有限公司 | An intelligent detection device for leakage fault of power distribution cabinet |
| CN111371177A (en) * | 2020-03-12 | 2020-07-03 | 河南恒电昌景电力工程有限公司 | Intelligent power control system and power control method thereof |
| CN111276880B (en) * | 2020-03-12 | 2022-01-28 | 河南恒电昌景电力工程有限公司 | Switch board electric leakage fault intelligent detection device |
| CN111371177B (en) * | 2020-03-12 | 2023-08-25 | 河南易中元电力科技有限公司 | Intelligent power control system and power control method thereof |
| CN111585194A (en) * | 2020-05-27 | 2020-08-25 | 四川康能电气股份有限公司 | Online intelligent monitoring system and online monitoring method for power inlet cabinet |
| CN112117675A (en) * | 2020-09-22 | 2020-12-22 | 江苏伊顿电气科技有限公司 | Novel intelligent low-voltage power distribution system |
| CN115548905A (en) * | 2022-09-22 | 2022-12-30 | 上海交通大学 | A power distribution cabinet with an electric leakage alarm device |
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Application publication date: 20160203 |
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