CN205246134U - Power -grid switch is intelligent monitoring device for cabinet - Google Patents
Power -grid switch is intelligent monitoring device for cabinet Download PDFInfo
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- CN205246134U CN205246134U CN201521102693.1U CN201521102693U CN205246134U CN 205246134 U CN205246134 U CN 205246134U CN 201521102693 U CN201521102693 U CN 201521102693U CN 205246134 U CN205246134 U CN 205246134U
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Abstract
The utility model discloses a power -grid switch is intelligent monitoring device for cabinet, including on -the -spot monitoring module and long -range monitoring module, on -the -spot monitoring module includes the treater, the input of treater is connected with data monitoring unit and high frequency sensing monitoring unit, the output of treater is connected with wireless transmitting unit, on -the -spot alarm unit and aspiration pump, the treater still is connected with power management unit, the remote monitoring module includes second processor, second processor is connected with wireless transmit and receive unit, display module and remote alarming module respectively, wireless transmit and receive unit with the wireless transmitting unit carries out long -range wireless communicate with. The utility model discloses can be effectual the real -time supervision problem of ambient temperature etc. And insulation of equipment state in the solution cubical switchboard, real -timely monitor and report to the police, and can inside atmospheric pressure and gaseous detection of real -time supervision cubical switchboard to at any time, pressure reduction operation carries out.
Description
Technical field
The utility model belongs to the power distribution network cabinet monitoring technology of opening the light, and is specifically related to a kind of power network switch cabinet intelligent monitoring device.
Background technology
In distribution system, due to circuit, branch is more, method of operation complexity, and the frequent and the old and new's equipment of sudden load change mixes, and the reliability of power supply is a greater impact. Therefore, in distribution network systems, need equipment to monitor, to prevent ageing equipment, the lower degradation problem of insulation, avoid causing device damage, interruption of power supply.
The traditional monitoring technology of distribution switch cubicle mainly comprises artificial line tour, test and other detection techniques, traditional technological means is mainly in the time that equipment has a power failure, to rely on withstand voltage test to carry out insulating properties inspection, withstand voltage test can be found larger insulation defect, but still there is the possibility having an accident by the switch cubicle after withstand voltage test, this be because some small defects can not be simple found by withstand voltage test. Meanwhile, because preventive trial interval cycle time of distribution switch cubicle is 3-6, be but helpless for the insulation defect between twice preventive trial time interval.
And the mode that current artificial line is patrolled and examined, can only regularly carry out off-line type supervision with thermal infrared imager, temperature measurer or temperature indicating patch etc. to equipment to coupling part heating situations such as contacts, the method can only be measured the contact temperature being exposed, all helpless to the accident potential such as electric discharge, insulation existing, the monitoring of having no idea in metal-enclosed switchgear. And because distribution switch cubicle is closed equipment, and shell has shielding action, therefore some charged detection techniques, as infrared, ultraviolet technology etc., the effect of measurement is just poor. Thus, the maintenance mode that the distribution switch cubicle of prior art can only adopt regularly, have a power failure.
Switch cubicle is taking high-voltage switch gear as main electrical equipment, and the primary equipments such as bus, insulator, transformer, arrester, earthed switch and secondary device that primary equipment is supervised, controls, measures, adjusted and protects are assemblied in the metal cabinet of its sealing. Switch cubicle is widely used in each link of electrical network, and its safe operation is directly connected to safety and the power supply quality of power system to user of whole electrical network, is one of most important electrical equipment in power system.
In the operation maintenance of power distribution network, it is to guarantee device security stable operation that equipment is implemented to state-detection, improves the optimal path of power supply reliability. Meanwhile, it is also to reduce operation of power networks maintenance cost that equipment is implemented to state evaluation, the effective means of real-time judge life period of equipment. But power supply enterprise faces the problem that operation maintenance is undermanned and maintenance efficiency is not high conventionally at present. Therefore, the capital equipment in power distribution network is carried out to state-detection and state evaluation is the effective way addressing the above problem.
Utility model content
Utility model object: the purpose of this utility model is in order to solve deficiency of the prior art, provides the Real-Time Monitoring problem of environment temperature in a kind of effective solution switch cubicle etc. and apparatus insulated state, and real-time monitoring and reporting to the police; And air pressure that can Real-Time Monitoring inside switch cabinet and gas detect, and carry out at any time the power network switch cabinet intelligent monitoring device of decompression operation.
Technical scheme: a kind of power network switch cabinet intelligent monitoring device described in the utility model, comprise field monitoring module and remote monitoring module, described field monitoring module comprises processor, the input of described processor is connected with data monitoring unit and high frequency sensing monitoring means, the output of described processor is connected with wireless transmitting unit, onsite alarming unit and aspiration pump, and described processor is also connected with PMU; Described remote monitoring module comprises the second processor, described the second processor is connected with respectively wireless transmit/receive units, display module and remote alarms module, described wireless transmit/receive units and described wireless transmitting unit are carried out the mutual communication of long distance wireless, and described data monitoring unit comprises temperature monitoring unit, humidity detection unit, current monitoring unit, voltage monitoring unit, Pressure monitoring unit and image monitoring unit.
Further, described data monitoring unit is electrically connected or is arranged in switch cubicle with the switch contact in switch cubicle respectively.
Further, described wireless transmitting unit and wireless transmit/receive units all adopt ZigBee wireless communication module.
Beneficial effect: the utility model can effectively solve the Real-Time Monitoring problem of environment temperature in switch cubicle etc. and apparatus insulated state, and real-time monitoring and reporting to the police; And air pressure that can Real-Time Monitoring inside switch cabinet and gas detect, and carry out at any time decompression operation.
Brief description of the drawings
Fig. 1 is the utility model field monitoring modular circuit structured flowchart;
Fig. 2 is remote monitoring modular circuit structured flowchart of the present utility model.
Detailed description of the invention
A kind of power network switch cabinet intelligent monitoring device as depicted in figs. 1 and 2, comprise field monitoring module and remote monitoring module, described field monitoring module comprises processor, the input of described processor is connected with data monitoring unit and high frequency sensing monitoring means, the output of described processor is connected with wireless transmitting unit, onsite alarming unit and aspiration pump, and described processor is also connected with PMU; Described remote monitoring module comprises the second processor, and described the second processor is connected with respectively wireless transmit/receive units, display module and remote alarms module, and described wireless transmit/receive units and described wireless transmitting unit are carried out the mutual communication of long distance wireless.
Described data monitoring unit comprises temperature monitoring unit, humidity detection unit, current monitoring unit, voltage monitoring unit, Pressure monitoring unit and image monitoring unit. Described data monitoring unit is electrically connected or is arranged in switch cubicle with the switch contact in switch cubicle respectively.
Described high frequency sensing monitoring means includes superfrequency sensor, ultrahigh-frequency signal transmission coaxial-cable, narrow band filter, ultrahigh-frequency signal amplifier, local oscillation signal generator, frequency mixer and superfrequency mixed frequency signal collecting unit, described superfrequency sensor, narrow band filter, ultrahigh-frequency signal amplifier, local oscillation signal generator sequentially connect, and are finally connected to processor by ultrahigh-frequency signal transmission coaxial-cable; In addition, superfrequency mixed frequency signal collecting unit is connected with frequency mixer, and the output of frequency mixer is connected in narrow band filter. Described ultrahigh-frequency signal transmission coaxial-cable is connected with described processor by RS485 interface.
Described Pressure monitoring unit comprises air pressure inside monitoring sensor and extraneous gas sensor, described extraneous gas sensor can detect aspiration pump extract out gas at least one gas componant content and send data to processor; Described air pressure inside monitoring sensor is positioned at the inside of switch cubicle, for the air pressure of real-time sense switch cabinet inside, and testing result is real-time transmitted to processor.
Described processor and the second processor all adopt STM32f103 single-chip microcomputer.
Described wireless transmitting unit and wireless transmit/receive units all adopt ZigBee wireless communication module.
Extraneous gas sensor setting is in switch cubicle outside, and it is connected with an outlet of aspiration pump, can detect the content of at least one gas componant in aspiration pump gas bleeding. By the detection of this gas componant content, processor can judge in switch cubicle, whether equipment breaks down. For example, can judge whether to occur shelf depreciation by ozone sensor for the detection of ozone content; Can judge whether to occur that for sulfur hexafluoride content detection sulfur hexafluoride reveals by sulfur hexafluoride sensor, it is overheated etc. to judge whether to occur for the detection of hydrogen sulfide content.
Air pressure inside monitoring sensor is arranged at inside switch cabinet, and it comprises baroceptor and data transfer unit, for the air pressure of real-time sense switch cabinet inside, and testing result is real-time transmitted to processor. Processor is monitored in real time for the atmospheric pressure value of the detection of air pressure monitor unit, in the time monitoring the atmospheric pressure value of inside switch cabinet and be greater than the atmospheric pressure value increment of threshold value or specific continuous time and be greater than threshold value, judges that the air pressure testing result in switch cubicle is abnormal.
In the time of normal condition, the entrance of entrance closed cell sealing aspiration pump. Aspiration pump and gas sensor are in resting state. In the time that air pressure testing result is abnormal, processor triggers described entrance closed cell, aspiration pump and gas sensor is opened, and opens the outlet between aspiration pump and gas sensor, seals aspiration pump and extraneous outlet. Gas sensor detects the content of the gas componant of aspiration pump extraction, and processor judges according to testing result whether switch cubicle occurs extremely.
In the above-described embodiments, if because abnormal gas appears in inside switch cabinet, its air pressure certainly leads to variation,
Before gas content detects, by the real-time monitoring of inside switch cabinet air pressure, judge whether to carry out gas content detection; Only, in the time that air pressure is undesired, just switch cubicle is bled and carried out gas content detection, therefore, can avoid bleeding in real time and detecting the power equipment operation irregularity causing for switch cubicle.
Preferably, while breaking down due to switch cubicle, internal temperature pressure raises, and for fear of air pressure the raise equipment and the personal security problem that cause, can carry out decompression operation by control module and aspiration pump. When control module is according to the content of gas componant, judge that switch cubicle occurs that when abnormal, control module is closed the outlet between gas sensor and aspiration pump and gas sensor, open the outlet between aspiration pump and the external world, the gas in switch cubicle is carried out to exhaust. If the air pressure of switch cubicle is higher than threshold value, it is normal that but gas sensor detects the content of gas componant, control module is closed gas sensor and the first outlet, open aspiration pump and the second outlet, gas in switch cubicle is carried out to exhaust until the atmospheric pressure value of described inside switch cabinet during lower than specific threshold, close the second outlet and aspiration pump, and the entrance of sealing aspiration pump. If when the atmospheric pressure value increment of the specific continuous time of switch cubicle is greater than threshold value, it is normal that but gas sensor detects the content of gas componant, control module is closed gas sensor and the first outlet, open aspiration pump and the second outlet, gas in switch cubicle is carried out to exhaust until the atmospheric pressure value of described inside switch cabinet during lower than specific threshold, close the second outlet and aspiration pump, and the entrance of sealing aspiration pump.
According to specific exemplary embodiment, invention has been described herein. It will be apparent under not departing from the scope of the present invention, carrying out to one skilled in the art suitable replacement or revise. Exemplary embodiment is only illustrative, instead of restriction to scope of the present invention, and scope of the present invention is defined by appended claim.
Claims (3)
1. a power network switch cabinet intelligent monitoring device, it is characterized in that: comprise field monitoring module and remote monitoring module, described field monitoring module comprises processor, the input of described processor is connected with data monitoring unit and high frequency sensing monitoring means, the output of described processor is connected with wireless transmitting unit, onsite alarming unit and aspiration pump, and described processor is also connected with PMU; Described remote monitoring module comprises the second processor, described the second processor is connected with respectively wireless transmit/receive units, display module and remote alarms module, described wireless transmit/receive units and described wireless transmitting unit are carried out the mutual communication of long distance wireless, and described data monitoring unit comprises temperature monitoring unit, humidity detection unit, current monitoring unit, voltage monitoring unit, Pressure monitoring unit and image monitoring unit.
2. a kind of power network switch cabinet intelligent monitoring device according to claim 1, is characterized in that: described data monitoring unit is electrically connected or is arranged in switch cubicle with the switch contact in switch cubicle respectively.
3. a kind of power network switch cabinet intelligent monitoring device according to claim 1 and 2, is characterized in that: described wireless transmitting unit and wireless transmit/receive units all adopt ZigBee wireless communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521102693.1U CN205246134U (en) | 2015-12-25 | 2015-12-25 | Power -grid switch is intelligent monitoring device for cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521102693.1U CN205246134U (en) | 2015-12-25 | 2015-12-25 | Power -grid switch is intelligent monitoring device for cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205246134U true CN205246134U (en) | 2016-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521102693.1U Expired - Fee Related CN205246134U (en) | 2015-12-25 | 2015-12-25 | Power -grid switch is intelligent monitoring device for cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205246134U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105954568A (en) * | 2016-07-01 | 2016-09-21 | 河北箱变电器有限公司 | Secondary equipment for monitoring partial discharge and temperature monitoring device |
| CN106253080A (en) * | 2016-08-10 | 2016-12-21 | 四川汉舟电气股份有限公司 | A kind of intelligent temperature measurement switch cubicle |
| CN107621284A (en) * | 2017-09-30 | 2018-01-23 | 宝鸡长达电气科技有限公司 | A kind of HV switchboard online detection system |
-
2015
- 2015-12-25 CN CN201521102693.1U patent/CN205246134U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105954568A (en) * | 2016-07-01 | 2016-09-21 | 河北箱变电器有限公司 | Secondary equipment for monitoring partial discharge and temperature monitoring device |
| CN106253080A (en) * | 2016-08-10 | 2016-12-21 | 四川汉舟电气股份有限公司 | A kind of intelligent temperature measurement switch cubicle |
| CN107621284A (en) * | 2017-09-30 | 2018-01-23 | 宝鸡长达电气科技有限公司 | A kind of HV switchboard online detection system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160518 Termination date: 20161225 |
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| CF01 | Termination of patent right due to non-payment of annual fee |