CN102855727B - Low-voltage distribution cabinet pre-alarming device - Google Patents
Low-voltage distribution cabinet pre-alarming device Download PDFInfo
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- CN102855727B CN102855727B CN201210334003.XA CN201210334003A CN102855727B CN 102855727 B CN102855727 B CN 102855727B CN 201210334003 A CN201210334003 A CN 201210334003A CN 102855727 B CN102855727 B CN 102855727B
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Abstract
The present invention relates to low-voltage distribution cabinet pre-alarming device, form primarily of detecting signal unit, CPU (central processing unit), display unit, pre-alarm unit, control module, power supply unit and communication unit.This device can not only provide the fire alarm of electric arc, also can provide the pre-alarm of flammable explosive gas, the range of application of expansion instrument.The control module of this device can freeze the operation of all electrical equipments belonging to this power distribution cabinet after starting, and can prevent the consequence because causing disaster when ignorant or maloperation.
Description
Technical field
The invention belongs to electric power electrical apparatus field, referring to especially can to the electrical fire that may be caused by electric arc or to the pre-alarming device having explosion gas in environment.
Background technology
At present, low-voltage distribution cabinet is provided with certain defencive function, but is the defencive function of antioverloading, against short-circuit, electric leakage etc. substantially, not to electrical fire and to the pre-alarm function having flammable explosive gas in environment.
Can find by analyzing the electrical fire that occurred, fires, in electric little, all originates from power distribution cabinet substantially.This mainly because; first the fire of the overwhelming majority is cause occurring the phenomenons such as overload, short circuit or electric leakage with electric a variety of causes; first this phenomenon is reacted on power distribution cabinet, if being quick on the draw of power distribution cabinet, each protection circuit timely open circuit can be cut off the electricity supply and each hidden danger be eliminated.But when the reaction of the protection circuit in power distribution cabinet is insensitive, the device in power distribution cabinet can not be cut off the electricity supply in time, will just there will be the phenomenon such as electric arc or high temperature by each element in power distribution cabinet, the generation of fire can be caused when exceeding certain limit.When in power distribution cabinet during breaking out of fire, cannot be cut off the electricity supply by this power distribution cabinet, can only be cut off the electricity supply by upper level, but the delay of this time can cause serious consequence.
Be that power distribution cabinet cannot realize pre-alarm to the flammable explosive gas in environment on the other hand, this is mainly because in the enterprise having flammable explosive gas or environment, and what first select is have explosion-proof type power distribution cabinet, such as chemical enterprise or mine etc.And in other cases, the possibility existed because of flammable explosive gas is little, and the cost of explosion-proof type power distribution cabinet is high, and what generally select is plain edition power distribution cabinet.But in existing domestic consumer, as residential building, generally, when occurring leaking, because opening electrically, the accident of blasting happens occasionally in the use of combustion gas.
For the problems referred to above, prior art proposes the on-line monitoring warning device of electric disaster hidden-trouble, but this monitoring alarm device only can be reported to the police when fire occurs or after occurring, and cannot carry out pre-alarm to disaster hidden-trouble.
Do not mention technology and the document to there being flammable explosive gas to realize pre-alarm in prior art, existing is only be provided with smoke alarm unit in facility, only can report to the police reaching in certain density situation to smog.
Summary of the invention
The object of this invention is to provide a technical scheme, this technical scheme can not only realize carrying out pre-alarm to the electric arc in low-voltage distribution cabinet, can also realize pre-alarm to the flammable explosive gas in environment.
The present invention is achieved by the following technical solutions:
Low-voltage distribution cabinet pre-alarming device, primarily of detecting signal unit, CPU (central processing unit), display unit, pre-alarm unit, control module, power supply unit and communication unit composition, power supply unit provides power supply for above-mentioned each unit.
Wherein detecting signal unit is made up of ultrasonic sensor, UV sensor, optical sensor, smoke transducer, temperature sensor and gas analysis detector; Ultrasonic sensor and UV sensor are used for detecting electric arc, realize the early warning of electrical fire; Optical sensor, smoke transducer and temperature sensor are used for detecting the fire occurred and realizing the warning of electrical fire; Gas analysis detector detects the kind of flammable explosive gas, the content value of gas, realizes the pre-alarm to fire;
Wherein, CPU (central processing unit) is take single-chip microcomputer as the analyzing and processing circuit of core, and the signal data completed detecting signal unit collects processes, analyzes and judges, and result is transported to control module and pre-alarm unit;
Wherein, control module comprises three groups of ACTIVE CONTROL circuit, and first group is receive process data in CPU (central processing unit) to the ACTIVE CONTROL circuit of electrical equipment, when this control circuit starts, freezes the Local or Remote operation of all electrical equipments of power distribution cabinet; Second group is local control circuit, the ACTIVE CONTROL circuit be made up of button, for the adjustment to CPU (central processing unit) or the artificial adjustment to first group of ACTIVE CONTROL circuit; 3rd group is remote control unit, for the signal pair Central Processing Unit of receiving communication unit or the adjustment of first group of control module;
Wherein, display unit comprises display and pilot lamp; Display is for showing measured value and the alarming value of CPU (central processing unit), and local control module or remote control unit are to the adjusting parameter values of CPU (central processing unit); Pilot lamp is used for pre-alarming device working station indicator;
Power supply unit for change alternating current into DC supply, and provides direct supply to detecting signal unit, CPU (central processing unit), display unit, pre-alarm unit, control module and communication unit.
During first group of ACTIVE CONTROL circuit start, when these startup data are the data detected by central processing unit for processing gas analysis detector, this control circuit freezes the Local or Remote operation of all electrical equipments of power distribution cabinet; When these startup data are the data gathered by central processing unit for processing ultrasonic sensor and UV sensor, this control circuit disconnects the upper level switch at the electric arc position be arranged in power distribution cabinet; When these startup data are the data gathered by central processing unit for processing optical sensor, smoke transducer and temperature sensor, this control circuit disconnects and is arranged at master switch in power distribution cabinet.
The present invention's beneficial effect is compared with the existing technology:
1, this device can not only provide the fire alarm of electric arc, also can provide the pre-alarm of flammable explosive gas, the range of application of expansion instrument.
2, after the control module of this device starts, the operation of all electrical equipments belonging to this power distribution cabinet can be freezed, the consequence because causing disaster when ignorant or maloperation can be prevented.
Accompanying drawing explanation
Fig. 1 is frame diagram of the present invention
A. ultrasonic sensor B. UV sensor C. optical sensor
D. smoke transducer E. temperature sensor F. gas analysis detector
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
As shown in Figure 1, this device adopts 220 volts of ac power supplies, also can adjust power supply as required, and this technology belongs to prior art, and the adjustment of power supply can not have influence on technical scheme of the present invention.AC power is converted to direct supply by power supply unit by this device, direct supply is needed for each unit in this device, the voltage of each unit can identical also can not be identical, but the DC voltage required for each unit is based on lower than 36 volts, is generally 5 volts or 7 volts of direct current supplys.
This device can be positioned in arbitrary low-voltage alternating-current power distribution cabinet, and the gas analysis detector in this device, when being positioned over the power distribution cabinet of strict explosion-proof needs, is preferably placed on outside power distribution cabinet by this device.
The principle of work of this device is: ultrasonic sensor A and UV sensor B detects the electric arc produced in power distribution cabinet, the signal detected is take single-chip microcomputer as the analyzing and processing circuit of core through CPU (central processing unit), the signal data completed detecting signal unit collects processes, analyze and judge, when the intensity of these two signals acquires a certain degree, and result is transported to control module and pre-alarm unit, the upper level switch that control module directly can control the electric arc position be arranged in power distribution cabinet disconnects, with alarm, maintenance personal is keeped in repair in time to electric arc parts, optical sensor C, smoke transducer D and temperature sensor E are used for detecting the fire occurred, and the data detected are transferred to central processing unit, central processing unit processes the data collected, analyze and judges, and result being transported to control module and pre-alarm unit, control circuit can disconnect the master switch of power distribution cabinet, gas analysis detector F detects the kind of flammable explosive gas, the content value of gas, the data detected are transferred to central processing unit, central processing unit processes the data collected, analyze and judges, and result is transported to control module and pre-alarm unit, control module can freeze all long-range or local operation of the electrical equipment belonging to power distribution cabinet, that is in the case, electrical equipment can only keep standing state, prevents producing spark in operation and sets off an explosion or fire.
Be the physical explosion ultimate value of described gas to the numerical range of gas analysis detector in this device; The numerical value of other side can by arranging or giving tacit consent to two kinds of modes.
Low-voltage distribution cabinet pre-alarming device, forms primarily of detecting signal unit, CPU (central processing unit), display unit, pre-alarm unit, control module, power supply unit and communication unit;
Wherein detecting signal unit is made up of ultrasonic sensor, UV sensor, optical sensor, smoke transducer, temperature sensor and gas analysis detector; Ultrasonic sensor and UV sensor are used for detecting electric arc, realize the early warning of electrical fire; Optical sensor, smoke transducer and temperature sensor are used for detecting the fire occurred and realizing the warning of electrical fire; Gas analysis detector detects the kind of flammable explosive gas, the content value of gas, realizes the pre-alarm to fire and the control to electrical equipment;
Wherein, CPU (central processing unit) is take single-chip microcomputer as the analyzing and processing circuit of core, and the signal data completed detecting signal unit collects processes, analyzes and judges, and result is transported to control module and pre-alarm unit;
Wherein, control module comprises three groups of ACTIVE CONTROL circuit, and first group is receive process data in CPU (central processing unit) to the ACTIVE CONTROL circuit of electrical equipment, when this control circuit starts, freezes the Local or Remote operation of all electrical equipments of power distribution cabinet; Second group is local control circuit, the ACTIVE CONTROL circuit be made up of button, for the adjustment to CPU (central processing unit) or the artificial adjustment to first group of ACTIVE CONTROL circuit; Button is made up of setting key, reset key, ventil, upturning key and downturning key; 3rd group is remote control unit, for the signal pair Central Processing Unit of receiving communication unit or the adjustment of first group of control module;
Wherein, display unit comprises display and pilot lamp; Display is for showing measured value and the alarming value of CPU (central processing unit), and local control module or remote control unit are to the adjusting parameter values of CPU (central processing unit); Pilot lamp is used for pre-alarming device working station indicator;
Power supply unit for change alternating current into DC supply, and provides direct supply to detecting signal unit, CPU (central processing unit), display circuit unit, prealarm circuit unit, control circuit unit and communication unit.
Pre-alarm unit comprises sound and luminous two kinds of modes, and these two kinds of modes all have local and remote two kinds of modes, and these two kinds of modes are carried out simultaneously, and its medium-long range pre-alarm mode is for transmit by communication unit; Described sound and luminous alarm mode select now general mode.
Although illustrate and describe embodiments of the invention, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments without departing from the principles and spirit of the present invention, scope of the present invention is by claims and equivalency thereof.
Claims (7)
1. low-voltage distribution cabinet pre-alarming device, is characterized in that: primarily of detecting signal unit, CPU (central processing unit), display unit, pre-alarm unit, control module, power supply unit and communication unit composition, power supply unit provides power supply for above-mentioned each unit;
Wherein, control module comprises three groups of ACTIVE CONTROL circuit, and first group of ACTIVE CONTROL circuit is receive process data in the CPU (central processing unit) ACTIVE CONTROL circuit to power distribution cabinet or electrical equipment; Second group of ACTIVE CONTROL circuit is local control circuit, the ACTIVE CONTROL circuit be made up of button, for the adjustment to CPU (central processing unit) or the artificial adjustment to first group of ACTIVE CONTROL circuit; 3rd group of ACTIVE CONTROL circuit is remote control unit, for the signal pair Central Processing Unit of receiving communication unit or the adjustment of first group of control module;
During first group of ACTIVE CONTROL circuit start, when these startup data are the data detected by central processing unit for processing gas analysis detector, this control circuit freezes the Local or Remote operation of all electrical equipments of power distribution cabinet.
2. low-voltage distribution cabinet pre-alarming device according to claim 1, is characterized in that: wherein, and detecting signal unit is made up of ultrasonic sensor, UV sensor, optical sensor, smoke transducer, temperature sensor and gas analysis detector; Ultrasonic sensor and UV sensor are used for detecting electric arc, realize the early warning of electrical fire; Optical sensor, smoke transducer and temperature sensor are used for detecting the fire occurred and realizing the warning of electrical fire; Gas analysis detector detects the kind of flammable explosive gas, the content value of gas, realizes the pre-alarm to fire.
3. low-voltage distribution cabinet pre-alarming device according to claim 1, it is characterized in that: wherein, CPU (central processing unit) is take single-chip microcomputer as the analyzing and processing circuit of core, the signal data completed detecting signal unit collects processes, analyzes and judges, and result is transported to control module and pre-alarm unit.
4. low-voltage distribution cabinet pre-alarming device according to claim 1, is characterized in that: wherein, and display unit comprises display and pilot lamp; Display is for showing measured value and the alarming value of CPU (central processing unit), and local control module or remote control unit are to the adjusting parameter values of CPU (central processing unit); Pilot lamp is used for pre-alarming device working station indicator.
5. low-voltage distribution cabinet pre-alarming device according to claim 1, it is characterized in that: power supply unit for change alternating current into DC supply, and provides direct supply to detecting signal unit, CPU (central processing unit), display unit, pre-alarm unit, control module and communication unit.
6. low-voltage distribution cabinet pre-alarming device according to claim 1, it is characterized in that: during first group of ACTIVE CONTROL circuit start, when these startup data are the data gathered by central processing unit for processing ultrasonic sensor and UV sensor, this control circuit disconnects the upper level switch at the electric arc position be arranged in power distribution cabinet.
7. low-voltage distribution cabinet pre-alarming device according to claim 1, it is characterized in that: during first group of ACTIVE CONTROL circuit start, when these startup data are the data gathered by central processing unit for processing optical sensor, smoke transducer and temperature sensor, this control circuit disconnects and is arranged at master switch in power distribution cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210334003.XA CN102855727B (en) | 2012-09-11 | 2012-09-11 | Low-voltage distribution cabinet pre-alarming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210334003.XA CN102855727B (en) | 2012-09-11 | 2012-09-11 | Low-voltage distribution cabinet pre-alarming device |
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| Publication Number | Publication Date |
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| CN102855727A CN102855727A (en) | 2013-01-02 |
| CN102855727B true CN102855727B (en) | 2016-03-30 |
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| CN201210334003.XA Expired - Fee Related CN102855727B (en) | 2012-09-11 | 2012-09-11 | Low-voltage distribution cabinet pre-alarming device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106159898A (en) * | 2016-07-20 | 2016-11-23 | 苏州市龙源电力科技股份有限公司 | A kind of high strength anti-explosion power cabinet |
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|---|---|---|---|---|
| CN103247153A (en) * | 2013-05-20 | 2013-08-14 | 姬志刚 | Transformer box body having information alarming and sound alarming functions |
| CN103311821B (en) * | 2013-05-27 | 2018-12-18 | 徐州苏惠智能电气有限公司 | A kind of power transformation box with sound alarm function |
| CN106297206A (en) * | 2016-08-31 | 2017-01-04 | 天津市鸿远电气股份有限公司 | Electric circumstance precaution device |
| CN109920107A (en) * | 2019-02-18 | 2019-06-21 | 南京亿数信息科技有限公司 | A kind of electric power facility door safety control system |
| CN113176523B (en) * | 2021-04-27 | 2022-07-26 | 深圳供电局有限公司 | Power equipment fire early warning method and system based on multiple sensors |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2254174A (en) * | 1991-03-25 | 1992-09-30 | Nittan Co Ltd | Abnormal condition detecting unit and security alarm system using the same |
| CN201051614Y (en) * | 2007-05-19 | 2008-04-23 | 中山酷特电气有限公司 | Multi-function intelligent theftproof alarming and distribution system |
| CN101192747A (en) * | 2006-11-23 | 2008-06-04 | 张铮震 | No contact long life soft start energy-saving distribution box |
| CN201278437Y (en) * | 2008-05-05 | 2009-07-22 | 杨树昌 | Water proof dust proof and explosion preventing centralized heat radiation sealed electricity distribution cabinet |
| CN102385785A (en) * | 2011-11-07 | 2012-03-21 | 河南理工大学 | Electrical fire accident pre-warning and alarming device for low-voltage switch and low-voltage distribution box |
-
2012
- 2012-09-11 CN CN201210334003.XA patent/CN102855727B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2254174A (en) * | 1991-03-25 | 1992-09-30 | Nittan Co Ltd | Abnormal condition detecting unit and security alarm system using the same |
| CN101192747A (en) * | 2006-11-23 | 2008-06-04 | 张铮震 | No contact long life soft start energy-saving distribution box |
| CN201051614Y (en) * | 2007-05-19 | 2008-04-23 | 中山酷特电气有限公司 | Multi-function intelligent theftproof alarming and distribution system |
| CN201278437Y (en) * | 2008-05-05 | 2009-07-22 | 杨树昌 | Water proof dust proof and explosion preventing centralized heat radiation sealed electricity distribution cabinet |
| CN102385785A (en) * | 2011-11-07 | 2012-03-21 | 河南理工大学 | Electrical fire accident pre-warning and alarming device for low-voltage switch and low-voltage distribution box |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106159898A (en) * | 2016-07-20 | 2016-11-23 | 苏州市龙源电力科技股份有限公司 | A kind of high strength anti-explosion power cabinet |
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| CN102855727A (en) | 2013-01-02 |
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Effective date of registration: 20160520 Address after: 315100 Zhejiang city of Ningbo province Yinzhou District Yunlong Town Road No. 229 cloud Patentee after: NINGBO DEWO INTELLIGENT CO., LTD. Address before: 315135, Ningbo, Zhejiang province Yinzhou District Yunlong Town Mei Chi Industrial Zone Patentee before: Ningbo Dwoo Electric Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20160330 Termination date: 20200911 |