CN105160794B - Low-voltage distribution cabinet fire alarm protective device and temperature checking method - Google Patents

Low-voltage distribution cabinet fire alarm protective device and temperature checking method Download PDF

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Publication number
CN105160794B
CN105160794B CN201510659047.3A CN201510659047A CN105160794B CN 105160794 B CN105160794 B CN 105160794B CN 201510659047 A CN201510659047 A CN 201510659047A CN 105160794 B CN105160794 B CN 105160794B
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CN
China
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equipped
voltage distribution
connected
cabinet
central processing
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CN201510659047.3A
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Chinese (zh)
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CN105160794A (en
Inventor
包振华
于光辉
王绍军
陈明伦
马芳
董辉
丛涛
郑爱民
周岩
张志远
王学峰
Original Assignee
国家电网公司
国网山东省电力公司威海供电公司
国网山东威海市文登区供电公司
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Priority to CN201510659047.3A priority Critical patent/CN105160794B/en
Publication of CN105160794A publication Critical patent/CN105160794A/en
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Publication of CN105160794B publication Critical patent/CN105160794B/en

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Abstract

The present invention relates to a kind of low-voltage distribution cabinet fire alarm protective device and temperature checking methods, including cabinet, control cabinet, chamber door, visual alarm, voice guard, bracket, extinguishing device, temperature sensor and central processing unit;It is characterized in that chamber door is mounted on cabinet by door-hinge;Top of the box is equipped with total string holes;Box house is equipped with the multiple partition space structures being made of spacing board, and smoke sensor device, contactor, mounting rack, connector are separately installed in each partition space structure, and box house is also equipped with mounting plate, and the mounting rack installation is on a mounting board;Power input line is connected with the input terminal of contactor with output end respectively with power supply output line, the present invention can be realized intelligent measurement temperature, intelligent measurement fire, intelligently power off, the purpose of intelligent fire fighting, extend the service life of low-voltage distribution cabinet, avoid the generation of fire, make low-voltage distribution cabinet using it is safer extensively, it is with good economic efficiency suitable for marketing.

Description

Low-voltage distribution cabinet fire alarm protective device and temperature checking method

Technical field

The present invention relates to the low-voltage distribution cabinet in a kind of power supply system, specifically a kind of reliable operation, intelligence Change degree height, low-voltage distribution cabinet fire alarm protective device and temperature checking method with long service life.

Background technique

It is well known that low-voltage distribution cabinet is the common low-voltage distribution apparatus of power supply system, in use, mainly needle Frequent occurrence to accidents such as fire caused by overload, short circuit, electric leakage, aging, currently, whether on the market or in existing text Offer in the public technology of data, all more or less record the device of some warning functions, but these devices all do not have it is anti- Protective function does not have the function of intelligence power-off, intelligent fire fighting especially, causes fire that cannot obtain control in time and eliminates, thus Lead to casualties and property loss.

By retrieval compare, theme be " low-voltage distribution cabinet fire forecast alarm device ", application No. is " 2011103475009 ", publication No. are the patent of invention of " CN102385785A ", disclose and fire occurs for low-voltage distribution cabinet When how the technical solution of pre-alarm;In addition, another documents theme be " a kind of fire alarm method ", application No. is " 2013102837849 ", publication No. are the patent of invention of " CN103366493A ", disclose and carry out fire report by wireless technology Alert method does not have to disclose while low-voltage distribution cabinet fire, not only based on the comparison of above two documents It realizes warning function, also to realize intelligent power-off, intelligent fire fighting function.

Summary of the invention

The technical problem to be solved by the present invention is to overcome existing low-voltage distribution cabinet fire alarm installations not to have safeguard function The shortcomings that, it provides a kind of with reliable, intelligent low-voltage distribution cabinet fire alarm protective device and temperature checking method.

The technical solution adopted by the present invention to solve the technical problems is:

A kind of low-voltage distribution cabinet fire alarm protective device, including cabinet, control cabinet, chamber door, visual alarm, sound report Alert device, bracket, extinguishing device, temperature sensor and central processing unit;It is characterized in that the chamber door is mounted on by door-hinge On cabinet;Top of the box is equipped with total string holes;Box house is equipped with the multiple partition space structures being made of spacing board, each partition Smoke sensor device, contactor, mounting rack, connector are separately installed in space structure, box house is also equipped with mounting plate, institute The mounting rack installation stated is on a mounting board;Mounting rack is made of backboard and upper folded plate, and upper folded plate is mounted at the top of backboard;On backboard Equipped with backboard mounting hole, mounting plate is equipped with mounting hole, is connected between the backboard mounting hole and mounting hole by bolt; Upper folded plate is connected by bolt assembly with connector, and connector is made of motor, screw rod, connecting terminal and compression bar, described Screw rod on motor is installed, motor drives screw rod to move reciprocatingly, and the front end of screw rod passes through motor and is connected with compression bar Connect, compression bar front end is equipped with connecting terminal, power input line is installed between connecting terminal and upper folded plate, connecting terminal with contact Device electrical connection, the contactor are mounted on mounting rack front end, the contactor, motor respectively with central processing unit phase Connection, power input line are connected with the input terminal of contactor with output end respectively with power supply output line.

Further, the connecting terminal is made of contact, contact ring, temperature sense line mounting hole and insulation board, absolutely Listrium is mounted on compression bar front end, and insulation front edge of board is equipped with contact, and contact is equipped with semi-circular recesses, the semi-circular recesses in contact It is interior be equipped with multiple contact rings, the bottom of a semicircular groove be equipped with temperature sense line mounting hole, temperature sense line mounting hole installation There is temperature sense line, temperature sense line is connected with temperature sensor, and the temperature sensor is connected with central processing unit.

Further, the contact is constituted using silver-nickel material;The insulation board is constituted using ceramic material.

Further, the visual alarm is mounted on top of the box, and the visual alarm passes through central processing Device monitors the temperature of each partition space structure respectively, and the visual alarm is made of green light, amber light and red colored lamp, The visual alarm is connected with central processing unit;When temperature sensor detects between connecting terminal and power input line Temperature lower than setting temperature when, visual alarm green light is bright;When temperature sensor detects connecting terminal and power input When temperature between line is in setting temperature range, visual alarm amber light is bright;When temperature sensor detects connecting terminal When temperature between power input line is higher than setting temperature, visual alarm red colored lamp is bright, and central processing unit drives sound report Alert device audible alarm.

Further, the control cabinet is mounted on cabinet side, and control cabinet bottom is connected by bracket with cabinet, control Case processed is equipped with heat release hole, and control cabinet front end is equipped with control chamber door;The voice guard is mounted at the top of control cabinet, sound Sound alarm is connected with central processing unit, and temperature sensor, temperature sensor and central processing are also equipped with inside control cabinet Device is connected;The central processing unit is mounted in control cabinet.

Further, the box house bottom is also installed on extinguishing device, is equipped with injection pipe on extinguishing device, goes out Fiery device is connected by solenoid valve with central processing unit.

Further, the solenoid valve is made of valve body and driver, and valve body is mounted on extinguishing device, driver with Central processing unit is connected.

A kind of low-voltage distribution cabinet temperature checking method, it is characterised in that:

When temperature sensor detects the temperature between connecting terminal and power input line lower than setting temperature, light report Alert device green light is bright;

When temperature sensor detects that the temperature between connecting terminal and power input line is in setting temperature range, lamp Light crossing-signal amber light is bright;

When temperature sensor detects that the temperature between connecting terminal and power input line is higher than setting temperature, light report Alert device red colored lamp is bright, and central processing unit drives voice guard audible alarm.

The invention has the advantages that the present invention solves the disadvantage that existing low-voltage distribution cabinet, intelligent measurement temperature can be realized Degree, intelligently powers off, the purpose of intelligent fire fighting intelligent measurement fire, extends the service life of low-voltage distribution cabinet, avoids the hair of fire Raw, make low-voltage distribution cabinet is suitable for marketing extensively using safer, with good economic efficiency.

Detailed description of the invention

Present invention will be further explained below with reference to the attached drawings and examples.

Fig. 1 is general structure schematic diagram provided by the embodiment of the present invention;

Fig. 2 is the schematic view of the front view of Fig. 1;

Fig. 3 is mounting rack provided by the embodiment of the present invention and connector connecting structure schematic diagram;

Fig. 4 is connector construction schematic diagram provided by the embodiment of the present invention;

In figure: 1. cabinets, 1.1. spacing board, the total string holes of 1.2., 1.3. control cabinet, 1.31. heat release hole, 1.32. control cabinet Door, 1.4. mounting plate, 1.41. mounting hole, 2. chamber doors, 2.1. door-hinge, 3. visual alarms, 4. smoke sensor devices, 5. sound reports Alert device, 6. brackets, 7. extinguishing devices, 8. injection pipes, 9. contactors, 10. mounting racks, 10.1. backboard, the installation of 10.2. backboard Hole, the upper folded plate of 10.3., 11. power input lines, 12. power supply output lines, 13. bolt assemblies, 14. connectors, 14.1. motor, 14.2. screw rod, 14.3. connecting terminal, the contact 14.3a., 14.3b. contact ring, 14.3c. temperature sense line mounting hole, 14.3d. Insulation board, 14.4. compression bar, 15. temperature sensors, 16. central processing units.

Specific embodiment

In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.

As shown in Fig. 1-4, Fig. 1 is general structure schematic diagram provided by the embodiment of the present invention;Fig. 2 is the main view of Fig. 1 Structural schematic diagram;Fig. 3 is mounting rack provided by the embodiment of the present invention and connector connecting structure schematic diagram;Fig. 4 is the present invention Connector construction schematic diagram provided by embodiment.

The present invention provides low-voltage distribution cabinet fire alarm protective devices, including cabinet 1, control cabinet 1.3, chamber door 2, light Alarm 3, voice guard 5, bracket 6, extinguishing device 7, temperature sensor 15 and central processing unit 16;The chamber door 2 is logical Door-hinge 2.1 is crossed to be mounted on cabinet 1;Total string holes 1.2 is equipped at the top of cabinet 1;It is equipped with inside cabinet 1 and is made of spacing board 1.1 Multiple partition space structures are separately installed with smoke sensor device 4, contactor 9, mounting rack 10, even in each partition space structure Device 14 is connect, mounting plate 1.4 is also equipped with inside cabinet 1, the mounting rack 10 is mounted on mounting plate 1.4;Power input line 11 are connected with the input terminal of contactor 9 with output end respectively with power supply output line 12.

Further, smoke sensor device 4, contactor 9, mounting rack 10, connection are installed inside the partition space structure Device 14;Smoke sensor device 4 is suspended on spacing board 1.1;Mounting rack 10 is made of backboard 10.1 and upper folded plate 10.3, upper folded plate 10.3 are mounted on 10.1 top of backboard;Backboard 10.1 is equipped with backboard mounting hole 10.2, and mounting plate 1.4 is equipped with mounting hole 1.41, it is connected between the backboard mounting hole 10.2 and mounting hole 1.41 by bolt;Upper folded plate 10.3 passes through bolt group Part 13 is connected with connector 14, and connector 14 is by motor 14.1,14.4 structure of screw rod 14.2, connecting terminal 14.3 and compression bar At being equipped with motor 14.1 on the screw rod 14.2, motor 14.1 drives screw rod 14.2 to move reciprocatingly, screw rod 14.2 Front end pass through motor 14.1 be connected with compression bar 14.4,14.4 front end of compression bar is equipped with connecting terminal 14.3, connecting terminal Power input line 11 is installed, connecting terminal 14.3 and contactor 9 are electrically connected, and described connects between 14.3 and upper folded plate 10.3 Tentaculum 9 is mounted on 10 front end of mounting rack, and the contactor 9, motor 14.1 are connected with central processing unit 16 respectively.Work as hair When raw high temperature alarm, due to setting the high temperature alarm time in central processing unit, artificially do not powered off yet more than time of fire alarming, centre Device automatic identification to be managed, gives motor 14.1 motor message, motor 14.1 drives screw rod 14.2 to move round about, thus Separate connecting terminal 14.3 with 11 phase of power input line, thus realize the purpose of power-off, further protection low-voltage distribution cabinet Interior equipment, after avoiding the generation of fire, alarm failure from excluding, by manually again in connecting terminal 14.3 and upper folded plate 10.3 Between connect with the mains input line 11, while observing the operating condition of low-voltage distribution cabinet.

Further, the connecting terminal 14.3 is by contact 14.3a, contact ring 14.3b, temperature sense line mounting hole 14.3c and insulation board 14.3d is constituted, and insulation board 14.3d is mounted on 14.4 front end of compression bar, and the front end insulation board 14.3d is equipped with touching Point 14.3a, contact 14.3a are equipped with semi-circular recesses, and multiple contact ring 14.3b are equipped in the semi-circular recesses of contact 14.3a, The bottom of a semicircular groove be equipped with temperature sense line mounting hole 14.3c, temperature sense line mounting hole 14.3c is equipped with temperature sense Line is answered, temperature sense line is connected with temperature sensor 15, and the temperature sensor 15 is connected with central processing unit 16, leads to The temperature between detection connecting terminal 14.3 and power input line 11 is crossed, temperature sensor 15 transmits collected temperature signal Judged in central processing unit 16, to decide whether to take alarm, power-off or fire-fighting work.

Further, the contact 14.3a is constituted using silver-nickel material, has the advantages that electrical conductivity is good, together Hardness, wearability and the anti-scorching ability of Shi Tigao silver;The insulation board 14.3d is constituted using ceramic material, and ceramics have It is good it is heat-insulated, insulation the advantages of.

Further, the visual alarm 3 is mounted on 1 top of cabinet, and the visual alarm 3 passes through centre Reason device 16 monitors the temperature of each partition space structure respectively, and the visual alarm 3 is by green light, amber light and red colored lamp It constitutes, the visual alarm 3 is connected with central processing unit 16;When temperature sensor 15 detect connecting terminal 14.3 with When temperature between power input line 11 is lower than setting temperature, 3 green light of visual alarm is bright;When temperature sensor 15 detects When temperature between connecting terminal 14.3 and power input line 11 is in setting temperature range, 3 amber light of visual alarm is bright;When When temperature sensor 15 detects that the temperature between connecting terminal 14.3 and power input line 11 is higher than setting temperature, light warning 3 red colored lamp of device is bright, and central processing unit 16 drives 5 audible alarm of voice guard.

Further, the control cabinet 1.3 is mounted on 1 side of cabinet, and 1.3 bottom of control cabinet passes through bracket 6 and cabinet 1 It is connected, control cabinet 1.3 is equipped with heat release hole 1.31, and 1.3 front end of control cabinet is equipped with control chamber door 1.32;The sound report Alert device 5 is mounted on 1.3 top of control cabinet, and voice guard 5 is connected with central processing unit 16, also installs inside control cabinet 1.3 There is temperature sensor 15, temperature sensor 15 is connected with central processing unit 16;The central processing unit 16 is mounted on control In case 1.3.

Further, 1 interior bottom portion of cabinet is also installed on extinguishing device 7, is equipped with injection pipe on extinguishing device 7 8, extinguishing device 7 is connected by solenoid valve with central processing unit 16;When temperature is higher than setting temperature, visual alarm 3 is red Colored lights is bright, 5 audible alarm of voice guard, when still unmanned power-off leads to occur fire around here, 16 automatic identification of central processing unit, Give motor 14.1 motor message, motor 14.1 drives screw rod 14.2 to move round about, to make connecting terminal 14.3 separate with 11 phase of power input line, thus realize the purpose of power-off, meanwhile, the signal transmission that smoke sensor device 4 will test Handled in central processing unit 16, driving extinguishing device 7 spray fire-suppressant gas into injection pipe 8, thus realize in cabinet 1 into The purpose of row quick extinguishing.

Further, the solenoid valve is made of valve body and driver, and valve body is mounted on extinguishing device 7, driver It is connected with central processing unit 16, the purpose of intelligent drives extinguishing device 7 is realized, to carry out the purpose of intelligent fire fighting.

A kind of low-voltage distribution cabinet temperature checking method, it is characterised in that:

When temperature sensor detects the temperature between connecting terminal and power input line lower than setting temperature, light report Alert device green light is bright;

When temperature sensor detects that the temperature between connecting terminal and power input line is in setting temperature range, lamp Light crossing-signal amber light is bright;

When temperature sensor detects that the temperature between connecting terminal and power input line is higher than setting temperature, light report Alert device red colored lamp is bright, and central processing unit drives voice guard audible alarm.

Compared with prior art, the low-voltage distribution cabinet fire alarm protective device can be realized and carry out to low-voltage distribution cabinet The purpose of intelligent fire fighting is realized in the detection of temperature, fire, to realize the function for carrying out fire alarm protection to low-voltage distribution cabinet Can, further ensure the stability and reliability of low-voltage distribution cabinet.

It is enlightenment with above-mentioned reason embodiment according to the present invention, through the above description, relevant staff is complete Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention'.This invention it is technical Range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.

Claims (7)

1. a kind of low-voltage distribution cabinet fire alarm protective device, including cabinet, control cabinet, chamber door, visual alarm, audible alarm Device, bracket, extinguishing device, temperature sensor and central processing unit, it is characterised in that the chamber door is mounted on case by door-hinge On body;Top of the box is equipped with total string holes;Box house is equipped with the multiple partition space structures being made of spacing board, each partition Smoke sensor device, contactor, mounting rack, connector are separately installed in space structure, box house is also equipped with mounting plate, institute The mounting rack installation stated is on a mounting board;Mounting rack is made of backboard and upper folded plate, and upper folded plate is mounted at the top of backboard;Backboard It is equipped with backboard mounting hole, mounting plate is equipped with mounting hole, is connected between the backboard mounting hole and mounting hole by bolt It connects;Upper folded plate is connected by bolt assembly with connector, and connector is made of motor, screw rod, connecting terminal and compression bar, Motor is installed, motor drives screw rod to move reciprocatingly, and the front end of screw rod passes through motor and compression bar on the screw rod Be connected, compression bar front end is equipped with connecting terminal, power input line is installed between connecting terminal and upper folded plate, connecting terminal with Contactor electrical connection, the contactor are mounted on mounting rack front end, the contactor, motor respectively with central processing Device is connected, and power input line is connected with the input terminal of contactor with output end respectively with power supply output line.
2. a kind of low-voltage distribution cabinet fire alarm protective device as described in claim 1, it is characterised in that the connection Contact is made of contact, contact ring, temperature sense line mounting hole and insulation board, and insulation board is mounted on compression bar front end, before insulation board End is equipped with contact, and contact is equipped with semi-circular recesses, and multiple contact rings are equipped in the semi-circular recesses of contact, the half of contact Circular groove bottom is equipped with temperature sense line mounting hole, and temperature sense line mounting hole is equipped with temperature sense line, temperature sense line It is connected with temperature sensor, the temperature sensor is connected with central processing unit.
3. a kind of low-voltage distribution cabinet fire alarm protective device as described in claim 2, it is characterised in that the contact It is constituted using silver-nickel material;The insulation board is constituted using ceramic material.
4. a kind of low-voltage distribution cabinet fire alarm protective device as described in claim 1, it is characterised in that the light Alarm is mounted on top of the box, and the visual alarm monitors each partition space structure by central processing unit respectively Temperature, the visual alarm are made of green light, amber light and red colored lamp, the visual alarm and central processing unit It is connected.
5. a kind of low-voltage distribution cabinet fire alarm protective device as described in claim 1, it is characterised in that the control Case is mounted on cabinet side, and control cabinet bottom is connected by bracket with cabinet, and control cabinet is equipped with heat release hole, control cabinet front end Control chamber door is installed;The voice guard is mounted at the top of control cabinet, and voice guard is connected with central processing unit It connects, temperature sensor is also equipped with inside control cabinet, temperature sensor is connected with central processing unit;The central processing Device is mounted in control cabinet.
6. a kind of low-voltage distribution cabinet fire alarm protective device as described in claim 1, it is characterised in that the cabinet Interior bottom portion is also installed on extinguishing device, and injection pipe is equipped on extinguishing device, and extinguishing device passes through solenoid valve and central processing Device is connected.
7. the low-voltage distribution cabinet fire alarm protective device as described in claim 6, it is characterised in that the solenoid valve by Valve body and driver are constituted, and valve body is mounted on extinguishing device, and driver is connected with central processing unit.
CN201510659047.3A 2015-10-14 2015-10-14 Low-voltage distribution cabinet fire alarm protective device and temperature checking method CN105160794B (en)

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CN105160794B true CN105160794B (en) 2019-02-12

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CN105390944A (en) * 2015-12-24 2016-03-09 常熟市古里电器厂 Automatic fire-extinguishing power distribution cabinet
KR101825187B1 (en) * 2015-12-24 2018-02-02 한국전력기술 주식회사 Fire Fighting Facility for Inside Cabinet
CN105490184B (en) * 2016-01-22 2017-12-29 林志贤 A kind of power distribution cabinet
CN105788139A (en) * 2016-03-31 2016-07-20 嘉兴恒创电力设计研究院有限公司嘉善分公司 Intelligent fire-extinguishing distribution box
CN107946908A (en) * 2017-11-15 2018-04-20 佛山杰致信息科技有限公司 A kind of real-time monitoring system of low-voltage distribution cabinet
CN107910757A (en) * 2017-11-15 2018-04-13 佛山杰致信息科技有限公司 A kind of power distribution cabinet dust suction cooling system

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