CN102872555A - Device and method for preventing spontaneous combustion of passenger car - Google Patents
Device and method for preventing spontaneous combustion of passenger car Download PDFInfo
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- CN102872555A CN102872555A CN2012104102753A CN201210410275A CN102872555A CN 102872555 A CN102872555 A CN 102872555A CN 2012104102753 A CN2012104102753 A CN 2012104102753A CN 201210410275 A CN201210410275 A CN 201210410275A CN 102872555 A CN102872555 A CN 102872555A
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Abstract
A device for preventing spontaneous combustion of a passenger car comprises temperature sensors (1), a battery main switch (3), storage batteries (5) and a water pump assembly. An electrical load (4) of the integral car is powered by the storage batteries (5) via the battery main switch (3), the water pump assembly comprises a master control chip (7), a switch component, a normally closed relay (10), an electric water pump (11) and an automatic pump case (17), the master control chip (7) is respectively connected with the temperature sensors (1), the switch component and the normally closed relay (10), contact ends of the normally closed relay (10) are respectively connected with a control switch (2) and the battery main switch (3), the switch component is connected with the electric water pump, and the master control chip (7) controls the normally closed relay (10) and the switch component after acquiring temperature signals of the temperature sensors (1), so that power supply for the electric load of the integral car can be interrupted, and the water pump can spray water to extinguish fire.
Description
Technical field
The invention belongs to the automatic control technology field, relate to a kind of anti-passenger vehicle self-combustion device.
Background technology
Passenger vehicle spontaneous combustion reason has a lot, and oil supply system, Circuits System, engine exhaust system all might cause the vehicle spontaneous combustion, and engine is the core area of car load as the power source of vehicle, also is the area occurred frequently of incidents of spontaneous combustion.Incidents of spontaneous combustion is in time put out a fire most important after occuring, and after the engine position caught fire in the past, most applications all was to hold fire fighting with fire extinguisher by the people, and the drawback of this fire-fighting mode maximum is exactly the best opportunity of having missed fire extinguishing, and the intensity of a fire has played and caused loss.Now passenger vehicle for safe common configuration automatic dry chemical fire extinguisher, can automatically spray the dry powder position of will meeting accident when too high and completely cut off with air when naked light or local temperature appear in the engine position, accident is strangled in crable.But this dry-chemical fire extinguishing apparatus shortcoming is that price is high, and can not in time cut off the electricity supply, and, power supply on fire when circuit be fire extinguishing weak effect during continued power still, even does not have fire extinguishing function.When making the bus engine position on fire, the present invention can automatically cut off the car load power supply, and the energy automatic sprinkling fire-extinguishing, effectively prevent passenger vehicle generation incidents of spontaneous combustion, the security that has improved car load.Simple in structure, price is low, and is suitable for large-scale promotion.
Summary of the invention
The objective of the invention is to propose a kind of passenger vehicle extinguishing device of automatic operation, whether this device detects on fire with temperature sensor, when on fire, automatically cut off the car load power supply, automatic sprinkling fire-extinguishing, mainly solve present automatic dry chemical fire extinguisher expensive and can not automatic cut-off power, to the problem of circuit weak effect on fire.
The invention provides a kind of anti-passenger vehicle self-combustion device, comprise that temperature sensor (1), battery main switch (3), battery (5) are car load electric appliance load (4) power supply by battery main switch (3); Also comprise water pump component, comprise: main control chip (7), switch block, normally closed relay (10), electric water pump (11), automatic pump housing (17), main control chip (7) are connected with temperature sensor (1), switch block, normally closed relay (10) respectively; Normally closed relay (10) tip side is connected 3 with gauge tap (2) with battery main switch respectively) be connected; Switch block links to each other with electric water pump;
Behind the temperature signal of main control chip (7) collecting temperature sensor (1) normally closed relay (10) and switch block are controlled, so that the car load electric appliance load cuts off the power supply, the water pump sprinkling fire.
Further, when engine on fire, temperature sensor (1) passes to main control chip (7) with temperature signal, main control chip (7) collects behind the abnormal signal of temperature sensor (1) with this abnormal signal and preset value relatively, if exceed preset value, then main control chip (7) drives the disconnection of normally closed relay (10) contact, battery main switch (3) control loop disconnects, battery main switch (3) disconnects car load electric appliance load (4) and is connected 5 with battery) connection, cut-out car load power supply; Simultaneously, main control chip (7) gauge tap parts are connected the circuit of electric water pump (11), the water in the engine water tank is sprayed onto on the engine puts out a fire.
Further, water pump component wherein also includes: nozzle (12), outlet pipe (13), engine water tank water pipe (14), connecting water pipe (15), electromagnetic water valve (16), wherein, electric water pump (11) water inlet end is connected with engine water tank water pipe (14) by electromagnetic water valve (16), connecting water pipe (15); Electric water pump (11) water side is connected with nozzle (12) by outlet pipe (13).
Further, the preferred metal-oxide-semiconductor of switch block wherein, metal-oxide-semiconductor (8) drain electrode is connected 11 with electric water pump) connect; Metal-oxide-semiconductor (8) source electrode is connected 5 with battery) negative pole connect; The metal-oxide-semiconductor grid is connected 7 with main control chip) connect.
Further, wherein switch block can also be the switching devices such as transistor.
In addition, the present invention also provides a kind of method that prevents the passenger vehicle spontaneous combustion, is applicable to a kind of device that prevents the passenger vehicle spontaneous combustion, has water pump component, described assembly comprises: main control chip (7), switch block, normally closed relay (10), electric water pump (11), and the method comprises:
When engine is on fire, the abnormal signal of main control chip (7) collecting temperature sensor (1);
Drive normally closed relay (10) contact according to this abnormal signal and disconnect, so that the outage of car load electric appliance load; Simultaneously, the gauge tap parts are connected the circuit of electric water pump (11), put out a fire so that water is sprayed onto on the engine.
Further, the main control chip in the method (7) compares this abnormal signal and preset value; If exceed preset value, then drive normally closed relay (10) contact and disconnect, so that battery main switch (3) control loop disconnects the power supply of car load electric appliance load; Simultaneously, the gauge tap parts are connected the circuit of electric water pump (11), the water in the engine water tank is sprayed onto on the engine puts out a fire.
The invention has the beneficial effects as follows:
When the bus engine position is on fire, can automatically cut off the car load power supply, and the energy automatic sprinkling fire-extinguishing, effectively prevent passenger vehicle generation incidents of spontaneous combustion, the security that has improved car load.
Description of drawings
Fig. 1 is circuit theory of the present invention and structural representation.
The specific embodiment
A kind of anti-passenger vehicle self-combustion device, comprise temperature sensor (1), gauge tap (2), battery main switch (3), car load electric appliance load (4), battery (5), automatic pump connection jaws (6), main control chip (7), metal-oxide-semiconductor (8), power conversion chip (9), normally closed relay (10), electric water pump (11), nozzle (12), outlet pipe (13), engine water tank water pipe (14), connecting water pipe (15), electromagnetic water valve (16), automatic pump housing (17), wherein power conversion chip (9) provides voltage for main control chip (7), can be the voltage of 5V with the voltage transitions of 12V.Wherein, temperature sensor (1) is connected with main control chip (7) by automatic pump connection jaws (6); Metal-oxide-semiconductor (8) source electrode is connected 5 with battery) negative pole connect; Metal-oxide-semiconductor (8) grid is connected 7 with main control chip) connect; Metal-oxide-semiconductor (8) drain electrode is connected 11 with electric water pump), electromagnetic water valve (16) connection; Main control chip (7) is connected with normally closed relay (10) control end; Normally closed relay (10) tip side is connected 3 with gauge tap (2) with battery main switch respectively) be connected; Car load electric appliance load (4) is connected with battery (5) by battery main switch (3); Electric water pump (11) water inlet end is connected with engine water tank water pipe (14) by electromagnetic water valve (16), connecting water pipe (15); Electric water pump (11) water side is connected with nozzle (12) by outlet pipe (13)
Main control chip (7) is implemented automatically control to metal-oxide-semiconductor (8) and normally closed relay (10) behind the temperature signal of collecting temperature sensor (1) under the support of software.
When normality: normally closed relay (10) closing of contact is in conducting state, after gauge tap (2) closure, and battery main switch (3) adhesive, battery (5) is powered to car load electric appliance load (4) by battery main switch (3).
When the engine position was on fire: temperature sensor (1) passed to main control chip (7) with temperature signal, main control chip (7) after collecting the abnormal signal of temperature sensor (1) compares this abnormal signal and the temperature data that is set in advance in the software, if this abnormal signal has exceeded the data that are set in advance in the software, then main control chip (7) drives normally closed relay (10) work, normally closed relay (10) contact disconnects, battery main switch (3) control loop disconnects, battery main switch (3) disconnects car load electric appliance load (4) and is connected 5 with battery) connection, cut-out car load power supply; Meanwhile, the conducting of main control chip (7) control metal-oxide-semiconductor (8), connect the circuit of electric water pump (11) and the circuit of electromagnetic water valve (16), electromagnetic water valve (16) is opened the water route, electric water pump (11) is started working, water in the engine water tank is pumped in the outlet pipe (13) by water tank water pipe (14) and connecting water pipe (15), and water is sprayed onto on the engine by nozzle (12) and puts out a fire.
The concrete following details that is operating as is described:
The driver gets on the bus gauge tap (2) closure, battery main switch (3) adhesive, and battery (5) is powered to car load electric appliance load (4) by battery main switch (3).When the engine position is on fire, temperature sensor (1) passes to main control chip (7) with the abnormal temperature signal, main control chip (7) compares this abnormal signal and the temperature data that is set in advance in the software, if this abnormal signal has exceeded the data that are set in advance in the software, then main control chip (7) drives normally closed relay (10) work, normally closed relay (10) contact disconnects, battery main switch (3) control loop disconnects, battery main switch (3) disconnects car load electric appliance load (4) and is connected 5 with battery) connection, cut-out car load power supply; Meanwhile, the conducting of main control chip (7) control metal-oxide-semiconductor (8), connect the circuit of electric water pump (11) and the circuit of electromagnetic water valve (16), electromagnetic water valve (16) is opened the water route, electric water pump (11) is started working, water in the engine water tank is pumped in the outlet pipe (13) by water tank water pipe (14) and connecting water pipe (15), and water is sprayed onto on the engine by nozzle (12) and puts out a fire.
Claims (7)
1. an anti-passenger vehicle self-combustion device comprises that temperature sensor (1), battery main switch (3), battery (5) are car load electric appliance load (4) power supply by battery main switch (3);
Characterized by further comprising water pump component, this assembly comprises: main control chip (7), switch block, normally closed relay (10), electric water pump (11), automatic pump housing (17), main control chip (7) are connected with temperature sensor (1), switch block, normally closed relay (10) respectively; Normally closed relay (10) tip side is connected 3 with gauge tap (2) with battery main switch respectively) be connected; Switch block links to each other with electric water pump;
Behind the temperature signal of main control chip (7) collecting temperature sensor (1) normally closed relay (10) and switch block are controlled, so that the car load electric appliance load cuts off the power supply, the water pump sprinkling fire.
2. anti-passenger vehicle self-combustion device according to claim 1, when engine on fire, temperature sensor (1) passes to main control chip (7) with temperature signal, main control chip (7) collects behind the abnormal signal of temperature sensor (1) with this abnormal signal and preset value relatively, if exceed preset value, then main control chip (7) drives the disconnection of normally closed relay (10) contact, battery main switch (3) control loop disconnects, battery main switch (3) disconnects car load electric appliance load (4) and is connected 5 with battery) connection, cut-out car load power supply; Simultaneously, main control chip (7) gauge tap parts are connected the circuit of electric water pump (11), the water in the engine water tank is sprayed onto on the engine puts out a fire.
3. anti-passenger vehicle self-combustion device according to claim 1, water pump component wherein also comprises:
Nozzle (12), outlet pipe (13), engine water tank water pipe (14), connecting water pipe (15), electromagnetic water valve (16), wherein, electric water pump (11) water inlet end is connected with engine water tank water pipe (14) by electromagnetic water valve (16), connecting water pipe (15); Electric water pump (11) water side is connected with nozzle (12) by outlet pipe (13).
4. anti-passenger vehicle self-combustion device according to claim 1, switch block wherein is metal-oxide-semiconductor, metal-oxide-semiconductor (8) drain electrode is connected 11 with electric water pump) connection; Metal-oxide-semiconductor (8) source electrode is connected 5 with battery) negative pole connect; The metal-oxide-semiconductor grid is connected 7 with main control chip) connect.
5. anti-passenger vehicle self-combustion device according to claim 1, switch block wherein is transistor.
6. a method that prevents the passenger vehicle spontaneous combustion is applicable to a kind of device that prevents the passenger vehicle spontaneous combustion, has water pump component, and described assembly comprises: main control chip (7), switch block, normally closed relay (10), electric water pump (11), and the method comprises:
When engine is on fire, the abnormal signal of main control chip (7) collecting temperature sensor (1);
Drive normally closed relay (10) contact according to this abnormal signal and disconnect, so that the outage of car load electric appliance load; Simultaneously, the gauge tap parts are connected the circuit of electric water pump (11), put out a fire so that water is sprayed onto on the engine.
7. the method that prevents the passenger vehicle spontaneous combustion according to claim 6 is characterized in that,
Main control chip (7) compares this abnormal signal and preset value;
If exceed preset value, then drive normally closed relay (10) contact and disconnect, so that battery main switch (3) control loop disconnects the power supply of car load electric appliance load;
Simultaneously, the gauge tap parts are connected the circuit of electric water pump (11), the water in the engine water tank is sprayed onto on the engine puts out a fire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104102753A CN102872555A (en) | 2012-10-24 | 2012-10-24 | Device and method for preventing spontaneous combustion of passenger car |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104102753A CN102872555A (en) | 2012-10-24 | 2012-10-24 | Device and method for preventing spontaneous combustion of passenger car |
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| CN102872555A true CN102872555A (en) | 2013-01-16 |
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| CN2012104102753A Pending CN102872555A (en) | 2012-10-24 | 2012-10-24 | Device and method for preventing spontaneous combustion of passenger car |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103212174A (en) * | 2013-04-19 | 2013-07-24 | 昆山聚贝机械设计有限公司 | Bus fire extinguishing device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101822879A (en) * | 2010-03-31 | 2010-09-08 | 奇瑞汽车股份有限公司 | Automatic fire-extinguishing system of automobile engine cabin |
| CN101947373A (en) * | 2010-08-25 | 2011-01-19 | 华伟 | Automatic fire extinguishing system for vehicles |
| CN202443552U (en) * | 2012-01-11 | 2012-09-19 | 泉州雷航电子有限公司 | Fire hazard flame detector |
| CN202909344U (en) * | 2012-10-24 | 2013-05-01 | 安徽江淮汽车股份有限公司 | Passenger car self-combustion prevention device |
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2012
- 2012-10-24 CN CN2012104102753A patent/CN102872555A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101822879A (en) * | 2010-03-31 | 2010-09-08 | 奇瑞汽车股份有限公司 | Automatic fire-extinguishing system of automobile engine cabin |
| CN101947373A (en) * | 2010-08-25 | 2011-01-19 | 华伟 | Automatic fire extinguishing system for vehicles |
| CN202443552U (en) * | 2012-01-11 | 2012-09-19 | 泉州雷航电子有限公司 | Fire hazard flame detector |
| CN202909344U (en) * | 2012-10-24 | 2013-05-01 | 安徽江淮汽车股份有限公司 | Passenger car self-combustion prevention device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103212174A (en) * | 2013-04-19 | 2013-07-24 | 昆山聚贝机械设计有限公司 | Bus fire extinguishing device |
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Application publication date: 20130116 |