CN200962250Y - Linear temperature sensor fire annunciator - Google Patents
Linear temperature sensor fire annunciator Download PDFInfo
- Publication number
- CN200962250Y CN200962250Y CN 200620135980 CN200620135980U CN200962250Y CN 200962250 Y CN200962250 Y CN 200962250Y CN 200620135980 CN200620135980 CN 200620135980 CN 200620135980 U CN200620135980 U CN 200620135980U CN 200962250 Y CN200962250 Y CN 200962250Y
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- circuit
- temperature sensors
- linear temperature
- chip computer
- single chip
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Abstract
Disclosed is a linear temperature sensor fire alarm which comprises a single chip computer for controlling the complete appliance, switching circuit with the input connected with single chip computer, sample circuit with the input connected with the switching circuit and the output connected with the single chip computer, drive circuit and executive circuit, the inputs of which are connected with the single chip computer. The linear temperature sensor is provided in closed vehicle and the temperature signal collected is converted to the electric signal which is transmitted to the single chip computer, then the single chip computer will calculate according to the program designed in advance and take the real-time monitoring of the temperature of the closed vehicle. When the temperature of the closed vehicle is higher than the given or the kindling temperature, the command signals are generated by the single chip computer to the drive circuit for warning and also to the executive circuit for extinguishing the fire with the fire extinguishing apparatus. The utility model has the advantages of reasonable design, simple structure, timely and accurate warning, swift extinguishing the fire and taking the real-time monitoring of the temperature of the closed vehicle and can be widely used in closed vehicles.
Description
Technical field
The utility model belongs to the fire alarm temperature alarming device technical field in the airtight vehicle, is specifically related to adopt the alarm of linear temperature sensors and the device of exporting control signal for fire-protection equipment.
Background technology
Temperature detection adopts a plurality of temperature sensors that the temperature of each point in the airtight vehicle is gathered in the present airtight vehicle, a plurality of temperature sensors convert the temperature signal of being gathered to electric signal output, convert digital signal to through A/D and output to one-chip computer, one-chip computer calculates and output alarm signal by the program of prior design the temperature of each point.This temperature detection warning device can only detect the temperature that is arranged on each check point temperature sensor position, can't detect for the local temperature that the temperature sensor position is not set.In order to detect the temperature in the airtight vehicle efficiently and accurately, in time find kindling point and take the measure of putting out a fire accordingly, guarantee the life security of staff in the airtight vehicle, many sensors are set in airtight vehicle to be gathered the temperature of a plurality of check points, make complex structure, complex circuit, the rate of breakdown of this warning device increase greatly, make troubles for maintenance and maintenance.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the shortcoming of above-mentioned airtight vehicle fire alarm equipment, provide a kind of reasonable in design, simple in structure, report to the police promptly and accurately, fire extinguishing rapidly, linear temperature sensors fire alarm that the temperature in the airtight vehicle is monitored in real time.
Solving the problems of the technologies described above the technical scheme that is adopted is that it comprises: the one-chip computer that complete machine is controlled; On-off circuit, the input end order sheet computing machine of this circuit; Sample circuit, the input termination switch circuit of this circuit, output terminal order sheet computing machine; Driving circuit, the input end order sheet computing machine of this circuit; Executive circuit, the input end order sheet computing machine of this circuit.
Sample circuit of the present utility model is connected and composed by linear temperature sensors RT1 and R1, and the termination single-chip microcomputer of linear temperature sensors RT1 is calculated machine and connect on-off circuit, other end ground connection by R1.
Linear temperature sensors RT1 of the present utility model is: be provided with positive pole in negative pole 1, be provided with sensing layer between the negative pole and anodal 2.
The external diameter of linear temperature sensors RT1 negative pole 1 of the present utility model is 2～10mm, and anodal 2 external diameter is 0.1～1mm.
The external diameter of linear temperature sensors RT1 negative pole 1 of the present utility model is preferably 3～9mm, and anodal 2 external diameter is preferably 0.2～0.8mm.
External diameter the best of linear temperature sensors RT1 negative pole 1 of the present utility model is 5mm, and external diameter the best of anodal 2 is 0.5mm.
The utility model has adopted linear temperature sensors to be laid in the airtight vehicle, can gather the temperature signal of laying any point of linear temperature sensors in the airtight vehicle, linear temperature sensors converts the temperature signal of being gathered to electric signal and outputs to one-chip computer, one-chip computer calculates according to the program of prior design and the temperature in the airtight vehicle is monitored in real time, when the temperature in the airtight vehicle surpasses the overheated or ignition temperature value of setting, one-chip computer outputs a control signal to driving circuit and makes alarm equipment alarm, and outputs a control signal to executive circuit extinguishing device is extinguished fire rapidly.The utlity model has reasonable in design, simple in structure, report to the police promptly and accurately, fire extinguishing rapidly, the temperature in the airtight vehicle such as is monitored in real time at advantage, can in airtight vehicle, promote the use of.
Description of drawings
Fig. 1 is an electrical principle block scheme of the present utility model.
Fig. 2 is an electronic circuit schematic diagram of the present utility model.
Fig. 3 is the structural representation of linear temperature sensors RT1 of the present utility model.
Fig. 4 is the sectional view of linear temperature sensors RT1 of the present utility model.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described, but the utility model is not limited to these embodiment.
Fig. 1 has provided electrical principle block scheme of the present utility model, referring to Fig. 1.In Fig. 1, the linear temperature sensors fire alarm of present embodiment is to be connected and composed by one-chip computer, on-off circuit, sample circuit, driving circuit, executive circuit.The control end order sheet computing machine of on-off circuit, output termination sample circuit, the output terminal order sheet computing machine of sample circuit, the output termination driving circuit and the executive circuit of one-chip computer.
In Fig. 2, the on-off circuit of present embodiment is made of relay J 1.5 termination one-chip computers of relay J 1 coil, 4 end ground connection, the normally closed contact 1 wiring termination sample circuit of relay J 1, normally closed contact 2 wiring termination power VCC, normally opened contact 3 terminals order sheet computing machines.
The sample circuit of present embodiment is connected and composed by linear temperature sensors RT1, R1.Normally closed contact 1 terminals of the relay termination J1 of R1, other end order sheet computing machine also pass through linear temperature sensors RT1 ground connection.
The one-chip computer of present embodiment is made of integrated circuit U1, and the model of integrated circuit U1 is ATmega8.An end, 30 pin and 31 pin that normally opened contact 3 terminals, 13 pin that 12 pin of integrated circuit U1 are succeeded electrical equipment J1 are succeeded 5 ends, the 23 pin wiring shape temperature sensor RT1 of electrical equipment J1 coil connect executive circuit, 32 pin and 1 pin and connect driving circuit.
The executive circuit of present embodiment is connected and composed by triode Q1, triode Q2, light emitting diode L1, light emitting diode L2, R2, R3.30 pin, the collector that the base stage of triode Q1 meets integrated circuit U1 connects power supply VCC, the emitter positive pole by R2 sending and receiving optical diode L1, the minus earth of light emitting diode L1.31 pin, the collector that the base stage of triode Q2 meets integrated circuit U1 connects power supply VCC, the emitter positive pole by R3 sending and receiving optical diode L2, the minus earth of light emitting diode L2.
The driving circuit of present embodiment is connected and composed by triode Q3, triode Q4, R4, R5.32 pin, collector that the base stage of triode Q4 meets integrated circuit U1 by R5 meet power supply VCC, emitter outputs a control signal to an extinguishing device.The base stage of triode Q3 connects 1 pin of integrated circuit U1,, collector by R4 meet power supply VCC, emitter outputs a control signal to another extinguishing device.
In Fig. 3, the linear temperature sensors RT1 of present embodiment is made of negative pole 1, positive pole 2, sensing layer 3 connections.Be set with positive pole 2 in the center of negative pole 1, the anodal 2 outer sensing layers 3 that are set with between the negative pole 1 and anodal 2.The external diameter of negative pole 1 is 5mm, and anodal 2 external diameter is 0.5mm.The length of linear temperature sensors RT1 can be determined according to the space in the airtight vehicle.The linear temperature sensors RT1 of this structure, in the temperature uphill process, resistance change is bigger, and capacitance variation is slower, therefore in the temperature uphill process, can make a response to temperature fast by the variation of monitoring resistor value; In temperature decline process, resistance change is less, and capacitance variation is very fast, therefore in temperature decline process, can make a response to the fire extinguishing effect fast by the variation of monitoring capacitance.
Embodiment 2
In the present embodiment, the external diameter of the negative pole 1 of linear temperature sensors RT1 is 2mm, and anodal 2 external diameter is 0.1mm.The annexation of other components and parts and components and parts is identical with embodiment 1.
In the present embodiment, the external diameter of the negative pole 1 of linear temperature sensors RT1 is 10mm, and anodal 2 external diameter is 1mm.The annexation of other components and parts and components and parts is identical with embodiment 1.
Principle of work of the present utility model is as follows:
At first lay the linear temperature sensors RT1 of suitable length according to the Temperature Distribution situation in the car, when a length is not enough, can adopt several threads shape temperature sensor RT1 series connection, then with linear temperature sensors RT1 minus earth, positive pole connects 23 pin of integrated circuit U1.During the 13 pin output low levels of integrated circuit U1, relay J 1 coil disconnects, normally closed contact 1 terminals and 2 terminals are connected, and the signal of linear temperature sensors output is calculated the resistance value of linear temperature sensors RT1 by the 23 pin input of integrated circuit U1 by integrated circuit U1.When 13 pin of integrated circuit U1 are exported high level, relay J 1 coil conducting, normally opened contact 1 terminals and 3 terminals are connected, the square-wave signal of the 12 pin output fixed width of integrated circuit U1, linear temperature sensors RT1 is charged, 23 pin of integrated circuit U1 carry out the A/D conversion to charging signals, are calculated the capacitance of linear temperature sensors RT1 by integrated circuit U1.
When the resistance value of linear temperature sensors RT1 was lower than heat spot, by the 30 pin output high level of integrated circuit U1, light emitting diode L1 conducting was luminous, sends temperature alarm.When the resistance value of linear temperature sensors RT1 was lower than kindling point, by the 31 pin output high level of integrated circuit U1, light emitting diode L2 conducting was luminous, sends the alerting signal of catching fire; By 32 pin, the 1 pin output high level of integrated circuit U1,, put out a fire simultaneously by the extinguishing device output fire extinguishing control signal of emitter in airtight vehicle of triode Q3 and triode Q4.During fire extinguishing, when the capacitance of linear temperature sensors RT1 was higher than kindling point, by the 32 pin output low levels of integrated circuit U1, the extinguishing device output of the emitter of triode Q4 in airtight vehicle stopped the control signal of putting out a fire; When the capacitance of linear temperature sensors RT1 was higher than heat spot, by the 1 pin output low level of integrated circuit U1, the extinguishing device output of the emitter of triode Q3 in airtight vehicle stopped the control signal of putting out a fire.
Can also design the linear temperature sensors fire alarm of another concrete structure according to above-mentioned principle, but all within protection domain of the present utility model.
Claims (6)
1, a kind of linear temperature sensors fire alarm is characterized in that it comprises:
The one-chip computer that complete machine is controlled;
On-off circuit, the input end order sheet computing machine of this circuit;
Sample circuit, the input termination switch circuit of this circuit, output terminal order sheet computing machine;
Driving circuit, the input end order sheet computing machine of this circuit;
Executive circuit, the input end order sheet computing machine of this circuit.
2, according to the described linear temperature sensors fire alarm of claim 1, it is characterized in that: said sample circuit is connected and composed by linear temperature sensors RT1 and R1, and the termination single-chip microcomputer of linear temperature sensors RT1 is calculated machine and connect on-off circuit, other end ground connection by R1.
3, according to the described linear temperature sensors fire alarm of claim 2, it is characterized in that said linear temperature sensors RT1 is: in negative pole (1), be provided with positive pole (2), be provided with sensing layer (3) between negative pole (1) and anodal (2).
4, according to the described linear temperature sensors fire alarm of claim 3, it is characterized in that: the external diameter of said linear temperature sensors RT1 negative pole (1) is 2～10mm, and the external diameter of anodal (2) is 0.1～1mm.
5, according to the described linear temperature sensors fire alarm of claim 4, it is characterized in that: the external diameter of said linear temperature sensors RT1 negative pole (1) wherein is 3～9mm, and the external diameter of anodal (2) wherein is 0.2～0.8mm.
6, according to the described linear temperature sensors fire alarm of claim 4, it is characterized in that: the external diameter of said linear temperature sensors RT1 negative pole (1) wherein is 5mm, and the external diameter of anodal (2) wherein is 0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620135980 CN200962250Y (en) | 2006-10-19 | 2006-10-19 | Linear temperature sensor fire annunciator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620135980 CN200962250Y (en) | 2006-10-19 | 2006-10-19 | Linear temperature sensor fire annunciator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200962250Y true CN200962250Y (en) | 2007-10-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620135980 Expired - Fee Related CN200962250Y (en) | 2006-10-19 | 2006-10-19 | Linear temperature sensor fire annunciator |
Country Status (1)
| Country | Link |
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| CN (1) | CN200962250Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104142185A (en) * | 2013-05-10 | 2014-11-12 | 重庆金美通信有限责任公司 | Oil and water temperature collecting circuit for hydraulic retarder |
| CN106289550A (en) * | 2016-10-12 | 2017-01-04 | 安徽徽云信息科技有限公司 | A kind of computer based high temperature warning system |
| CN106969852A (en) * | 2017-05-15 | 2017-07-21 | 上海安誉智能科技有限公司 | Export temperature sensor line circuit structure, system for detecting temperature and its method for PWM ripples |
-
2006
- 2006-10-19 CN CN 200620135980 patent/CN200962250Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104142185A (en) * | 2013-05-10 | 2014-11-12 | 重庆金美通信有限责任公司 | Oil and water temperature collecting circuit for hydraulic retarder |
| CN106289550A (en) * | 2016-10-12 | 2017-01-04 | 安徽徽云信息科技有限公司 | A kind of computer based high temperature warning system |
| CN106969852A (en) * | 2017-05-15 | 2017-07-21 | 上海安誉智能科技有限公司 | Export temperature sensor line circuit structure, system for detecting temperature and its method for PWM ripples |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: XIANYANG HUIZHONG ANALYTICAL INSTRUMENT CO., LTD. Free format text: FORMER OWNER: YANG WU Effective date: 20091023 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20091023 Address after: Incubation center of Tsinghua Science Park, Century Avenue, Shaanxi, Xianyang Province, China: 712000 Patentee after: Xianyang Huizhong Instrumentation Co. Ltd. Address before: 8, 3 floor, 15 Changle Road, Changle Middle Road, Xi'an, Shaanxi, zip: 710043 Co-patentee before: Ma Ronggui Patentee before: Yang Wu |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071017 Termination date: 20121019 |