CN106873483A - One kind preheating failure warning system and control method - Google Patents
One kind preheating failure warning system and control method Download PDFInfo
- Publication number
- CN106873483A CN106873483A CN201710091811.0A CN201710091811A CN106873483A CN 106873483 A CN106873483 A CN 106873483A CN 201710091811 A CN201710091811 A CN 201710091811A CN 106873483 A CN106873483 A CN 106873483A
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- switch
- relay
- circuit
- preheating
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/048—Monitoring; Safety
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N19/00—Starting aids for combustion engines, not otherwise provided for
- F02N19/02—Aiding engine start by thermal means, e.g. using lighted wicks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
One kind preheating failure warning system, is included in power supply and starts battery main switch S, key switch SW, the pipeline start up by preheating switch SW1 and low temperature electric heater switch SW2 of setting in motor M loops, forms the Electric control logic of classification, wherein：Battery main switch S is used for as battery main switch；Key switch SW is used for as activation system power switch；Pipeline start up by preheating switch SW1 is used for the shutdown process of warm and electric motor starting；Low temperature electric heater switch SW2 is used for the shutdown process of electric heat source；Make startup electric motor starting when preheating requirement is met.This preheating failure warning system and control method, the open circuit of charge heating system electrical heating wire, short trouble warning function have been obtained successfully realizing, it is to avoid heating wire sintering, the possibility of fracture are preheated caused by the reasons such as maloperation.Eliminating broken heater strip residue will be inhaled into the potential safety hazard of engine cylinder combustion chamber with air.
Description
Technical field
The present invention relates to a kind of whistle control system and control method, the signal control system of more particularly to a kind of heated condition
System and control method.
Background technology
In order to ensure under extremely low warm start environment engine quickly can smoothly start, it is necessary to set on chassis into
Gas pre-heating system.
System increased electrical heating pattern in air intake duct.By the electric hot plate and heating wire that are installed additional in air intake duct to air inlet
The device that air in road is heated, it is made up of electric boiling plate, heater strip and control system, with the heat time it is short, plus
The hot thermal efficiency is high, simple structure and it is small on the air inlet of engine influence the features such as.
Accompanying problem is that, when air inlet heating device is frequently used, or because vehicle operating environment is severe, vibratory impulse
It is larger, and in the case of long-time non-normal working caused by the reasons such as maloperation, there is preheating heating wire sintering, fracture
Possibility.Once there is such situation, broken heater strip residue will be inhaled into engine cylinder combustion chamber with air,
So as to the abrasion of engine cylinder, the service life of engine is influenceed.
The content of the invention
It is an object of the invention to provide one kind preheating failure warning system and control method, for solving pre-heating system part
The technical problem that cannot perceive in time of unusual service condition.
Preheating failure warning system of the invention, is included in power supply and starts the battery main switch of setting in motor M loops
S, key switch SW, pipeline start up by preheating switch SW1 and low temperature electric heater switch SW2, form the Electric control logic of classification, wherein：
Battery main switch S is used for as battery main switch；
Key switch SW is used for as activation system power switch；
Pipeline start up by preheating switch SW1 is used for the shutdown process of warm and electric motor starting；
Low temperature electric heater switch SW2 is used for the shutdown process of electric heat source；
Make startup electric motor starting when preheating requirement is met.
The power signal input for starting motor M is connected after the output end series-connection power supplies master switch S of the power supply；Power supply
The contact that pipeline start up by preheating switchs SW1 is connected after fuse F and key switch SW is sequentially connected in series after output end series-connection power supplies master switch S
The contact c connections of a, pipeline start up by preheating switch SW1 start the control signal input of motor M, and pipeline start up by preheating switchs the contact b of SW1
The fuse F and glow plug of order of connection series connection after series connection low temperature electric heater switch SW2.When pipeline start up by preheating switchs the contact a of SW1
Glow plug work during with contact b conductings and low temperature electric heater switch SW2 closures, when pipeline start up by preheating switchs contact a, the contact b of SW1
Start electric motor starting when being turned on contact c.
It is described that in connection power supply and in starting motor M loops, control relay K1, main relay comprising controlled circuit are set
Device K2, Fisrt fault alarm relay K3 and the second fault alarm relay K4, control relay K1 and main relay K2 include
Normally opened circuit, Fisrt fault alarm relay K3 and the second fault alarm relay K4 include normally-closed circuit；
One end connection low temperature electric heater switch SW2 of the controlled circuit of control relay K1, other end ground connection controls relay
One end connection battery main switch S of the normally opened circuit of device K1, one end of the controlled circuit of other end connection main relay K2, it is main after
The other end ground connection of the controlled circuit of electrical equipment K2；One end connection battery main switch S of the normally opened circuit of main relay K2, main relay
The fuse F and glow plug of the other end order of connection series connection of the normally opened circuit of device K2；Fisrt fault alarm relay K3's receives
One end connection key switch SW of control circuit and normally-closed circuit, the other end of the controlled circuit of Fisrt fault alarm relay K3 connects
Be connected on the circuit between the normally opened circuit of main relay K2 and glow plug, the normally-closed circuit of Fisrt fault alarm relay K3 it is another
One end connects one end of the normally-closed circuit of the second fault alarm relay K4, the normally-closed circuit of the second fault alarm relay K4
The other end connects alarm, and one end of the controlled circuit of the second fault alarm relay K4 connects low temperature electric heater switch SW2, separately
One end is grounded.
The control method of described preheating failure warning system, including：
Vehicle power supply master switch S is connected, car key switch SW is connected, electricity on each controlling switch, relay, the first event
Barrier alarm relay K3 obtains controlled circuit conducting, and normally-closed circuit disconnects, if there is open circuit fault, Fisrt fault in glow plug branch road
The controlled circuit no power of alarm relay K3 and the second fault alarm relay K4, normally-closed circuit maintains path, alarm ring
Ring.
The control method of described preheating failure warning system, including：
In the case of open circuit fault, the contact a and contact b of closure low temperature electric heater switch SW2 and pipeline start up by preheating switch SW1
(preheating shelves), the controlled circuit of control relay K1 is turned on and causes normally opened closing of circuit, further makes that main relay K2's is controlled
Circuit turn-on, the normally opened closing of circuit of main relay K2 so that glow plug energization normal heating.Fisrt fault alarm relay K3
Controlled circuit with the second fault alarm relay K4 is turned on, and normally-closed circuit disconnects.
The control method of described preheating failure warning system, including：
If if running into glow plug line short fault in heating process, the fuse on circuit can rapid fuse protection line
The controlled circuit of road, Fisrt fault alarm relay K3 and the second fault alarm relay K4 disconnects, normally-closed circuit closure, alarm
Device ring.
Described preheating failure warning system obtains control method, including：
Glow plug is completed in heating air intake duct after air, while disconnecting low temperature electric heater switch SW2, by Fisrt fault
Alarm relay K3 detection glow plug circuits whether there is open circuit fault, if there is open circuit, the first event of respective lines connection
Barrier alarm relay K3 obtains controlled circuit disconnection, and normally-closed circuit recovers, alarm ring.
Preheating failure warning system and control method of the invention, preheating failure warning system of the invention use garage
Industry is often used based on electric device, by succinct effective circuit design, the open circuit of charge heating system electrical heating wire, short trouble
Warning function has been obtained successfully realizing, after system comes into operation with engine entrucking, easy to operate, reliable, maintenance is protected
Support easy, have received good effect.
Brief description of the drawings
Fig. 1 is the electrical block diagram of the present invention preheating embodiment of failure warning system one.
Fig. 2 is the signal decision flow chart of the present invention preheating embodiment of failure warning system one.
Specific embodiment
Specific embodiment of the invention is described in detail below in conjunction with the accompanying drawings.
As shown in figure 1, in the present embodiment, being provided with power supply in connection power supply (battery) and in starting motor M loops total
Switch S, key switch SW, pipeline start up by preheating switch SW1 and low temperature electric heater switch SW2.
Battery main switch S is used for as battery main switch, and key switch SW is used for as activation system power switch, preheating
Starting switch SW1 is used for the shutdown process of warm and electric motor starting, and low temperature electric heater switch SW2 is used for electric heat source (electric heating
Plug) shutdown process.Each switch simultaneously, opens startup motor when preheating requirement is met in the Electric control logic for forming classification
It is dynamic.
The power signal input for starting motor M is connected in specific connection, after the output end series-connection power supplies master switch S of power supply
End；Pipeline start up by preheating switch is connected after fuse F and key switch SW is sequentially connected in series after the output end series-connection power supplies master switch S of power supply
The contact c connections of the contact a of SW1, pipeline start up by preheating switch SW1 start the control signal input of motor M, pipeline start up by preheating switch
The fuse F and glow plug of order of connection series connection after the contact b series connection low temperature electric heater switch SW2 of SW1.When pipeline start up by preheating switch
Glow plug work when contact a and contact the b conducting of SW1 and low temperature electric heater switch SW2 closures, when pipeline start up by preheating switch SW1's
Contact a, contact b and contact c start electric motor starting when turning on.
Set in connection power supply (battery) and in starting motor M loops and (generally include controlled electricity comprising controlled circuit
Magnetic coil) control relay K1, main relay K2, Fisrt fault alarm relay K3 and the second fault alarm relay K4,
Control relay K1 and main relay K2 includes normally opened circuit (usually normally opened contact), Fisrt fault alarm relay K3 and the
Two fault alarm relay K4 include normally-closed circuit (usually normally-closed contact).
One end connection low temperature electric heater switch SW2 of the controlled circuit of control relay K1, other end ground connection controls relay
One end connection battery main switch S of the normally opened circuit of device K1, one end of the controlled circuit of other end connection main relay K2, it is main after
The other end ground connection of the controlled circuit of electrical equipment K2；One end connection battery main switch S of the normally opened circuit of main relay K2, main relay
The fuse F and glow plug of the other end order of connection series connection of the normally opened circuit of device K2；Fisrt fault alarm relay K3's receives
One end connection key switch SW of control circuit and normally-closed circuit, the other end of the controlled circuit of Fisrt fault alarm relay K3 connects
Be connected on the circuit between the normally opened circuit of main relay K2 and glow plug, the normally-closed circuit of Fisrt fault alarm relay K3 it is another
One end connects one end of the normally-closed circuit of the second fault alarm relay K4, the normally-closed circuit of the second fault alarm relay K4
The other end connects alarm, and one end of the controlled circuit of the second fault alarm relay K4 connects low temperature electric heater switch SW2, separately
One end is grounded.
As shown in Fig. 2 in control process in actual applications, extremely low temperature environment starts engine needs electrical heating to enter
When gas is preheated, vehicle power supply master switch S is connected first, car key switch SW is connected into (electricity on each controlling switch, relay),
Fisrt fault alarm relay K3 obtains controlled circuit conducting, and normally-closed circuit disconnects, if there is open circuit fault in glow plug branch road, the
The controlled circuit no power of one fault alarm relay K3 and the second fault alarm relay K4, normally-closed circuit maintains path, report
Alert device ring.
In the case of open circuit fault, the contact a and contact b of closure low temperature electric heater switch SW2 and pipeline start up by preheating switch SW1
(preheating shelves), the controlled circuit of control relay K1 is turned on and causes normally opened closing of circuit, further makes that main relay K2's is controlled
Circuit turn-on, the normally opened closing of circuit of main relay K2 so that glow plug energization normal heating.Fisrt fault alarm relay K3
Controlled circuit with the second fault alarm relay K4 is turned on, and normally-closed circuit disconnects.
If if running into glow plug line short fault in heating process, the fuse on circuit can rapid fuse protection line
The controlled circuit of road, Fisrt fault alarm relay K3 and the second fault alarm relay K4 disconnects, normally-closed circuit closure, alarm
Device ring.
Glow plug is completed in heating air intake duct after air, while disconnecting low temperature electric heater switch SW2, by Fisrt fault
Alarm relay K3 detection glow plug circuits whether there is open circuit fault, if there is open circuit, the first event of respective lines connection
Barrier alarm relay K3 obtains controlled circuit disconnection, and normally-closed circuit recovers, alarm ring.
Preheating failure warning system of the invention is often used based on electric device using automobile industry, by succinct effective
Circuit design, the open circuit of charge heating system electrical heating wire, short trouble warning function have obtained successfully realizing that system is with starting
After machine entrucking is come into operation, easy to operate, reliable, maintaining easily, have received good effect.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any one skilled in the art the invention discloses technical scope in, the change or replacement that can be readily occurred in,
Should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Enclose and be defined.
Claims (7)
1. a kind of preheating failure warning system, is included in power supply and starts battery main switch S, the key of setting in motor M loops
Switch SW, pipeline start up by preheating switch SW1 and low temperature electric heater switch SW2, form the Electric control logic of classification, wherein：
Battery main switch S is used for as battery main switch；
Key switch SW is used for as activation system power switch；
Pipeline start up by preheating switch SW1 is used for the shutdown process of warm and electric motor starting；
Low temperature electric heater switch SW2 is used for the shutdown process of electric heat source；
Make startup electric motor starting when preheating requirement is met.
2. it is as claimed in claim 1 to preheat failure warning system, it is characterised in that the output end series-connection power supplies of the power supply are total
The power signal input for starting motor M is connected after switch S；It is sequentially connected in series after the output end series-connection power supplies master switch S of power supply molten
The contact a that pipeline start up by preheating switchs SW1 is connected after disconnected device F and key switch SW, the contact c connections of pipeline start up by preheating switch SW1 start
The control signal input of motor M, order of connection string after the contact b series connection low temperature electric heater switch SW2 of pipeline start up by preheating switch SW1
The fuse F and glow plug of connection.When pipeline start up by preheating switch SW1 contact a and contact b conducting and low temperature electric heater switch SW2 close
Glow plug work during conjunction, electric motor starting is started when contact a, the contact b and contact c of pipeline start up by preheating switch SW1 are turned on.
3. it is as claimed in claim 1 to preheat failure warning system, it is characterised in that described to connect power supply and starting motor M
Control relay K1 comprising controlled circuit, main relay K2, the events of Fisrt fault alarm relay K3 and second are set in loop
Barrier alarm relay K4, control relay K1 and main relay K2 include normally opened circuit, Fisrt fault alarm relay K3 and the
Two fault alarm relay K4 include normally-closed circuit；
One end connection low temperature electric heater switch SW2 of the controlled circuit of control relay K1, other end ground connection, control relay K1
Normally opened circuit one end connection battery main switch S, one end of the controlled circuit of other end connection main relay K2, main relay
The other end ground connection of the controlled circuit of K2；One end connection the battery main switch S, main relay K2 of the normally opened circuit of main relay K2
Normally opened circuit the other end order of connection series connection fuse F and glow plug；The controlled electricity of Fisrt fault alarm relay K3
One end connection key switch SW of road and normally-closed circuit, the other end of the controlled circuit of Fisrt fault alarm relay K3 is connected to
On circuit between the normally opened circuit and glow plug of main relay K2, the other end of the normally-closed circuit of Fisrt fault alarm relay K3
Connect one end of the normally-closed circuit of the second fault alarm relay K4, the normally-closed circuit of the second fault alarm relay K4 it is another
End connection alarm, one end connection low temperature electric heater switch SW2 of the controlled circuit of the second fault alarm relay K4, the other end
Ground connection.
4. the control method of failure warning system is preheated as claimed in claim 3, including：
Vehicle power supply master switch S is connected, car key switch SW is connected, electricity, Fisrt fault report on each controlling switch, relay
Alert relay K3 obtains controlled circuit conducting, and normally-closed circuit disconnects, if there is open circuit fault in glow plug branch road, Fisrt fault alarm
The controlled circuit no power of relay K3 and the second fault alarm relay K4, normally-closed circuit maintains path, alarm ring.
5. the control method of failure warning system is preheated as claimed in claim 3, including：
In the case of open circuit fault, the contact a and contact b of closure low temperature electric heater switch SW2 and pipeline start up by preheating switch SW1 are (pre-
Hot shelves), the controlled circuit of control relay K1 is turned on and causes normally opened closing of circuit, further makes the controlled circuit of main relay K2
Conducting, the normally opened closing of circuit of main relay K2 so that glow plug energization normal heating.Fisrt fault alarm relay K3 and
The controlled circuit conducting of two fault alarm relay K4, normally-closed circuit disconnects.
6. the control method of failure warning system is preheated as claimed in claim 3, including：
If if running into glow plug line short fault in heating process, the fuse on circuit can rapid fuse protection circuit,
The controlled circuit of one fault alarm relay K3 and the second fault alarm relay K4 disconnects, normally-closed circuit closure, alarm ring
Ring.
7. the control method of failure warning system is preheated as claimed in claim 3, including：
Glow plug completes in heating air intake duct after air, while disconnecting low temperature electric heater switch SW2, to be alarmed by Fisrt fault
Relay K3 detection glow plug circuits whether there is open circuit fault, if there is open circuit, the Fisrt fault report of respective lines connection
Alert relay K3 obtains controlled circuit disconnection, and normally-closed circuit recovers, alarm ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710091811.0A CN106873483B (en) | 2017-02-21 | 2017-02-21 | Preheating fault alarm system and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710091811.0A CN106873483B (en) | 2017-02-21 | 2017-02-21 | Preheating fault alarm system and control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106873483A true CN106873483A (en) | 2017-06-20 |
| CN106873483B CN106873483B (en) | 2020-06-19 |
Family
ID=59166649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710091811.0A Active CN106873483B (en) | 2017-02-21 | 2017-02-21 | Preheating fault alarm system and control method |
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| Country | Link |
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| CN (1) | CN106873483B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108919034A (en) * | 2018-08-01 | 2018-11-30 | 浙江方圆电气设备检测有限公司 | A kind of preheating conversion equipment and pilot system for photovoltaic fuse-link short-circuit test |
| CN110816446A (en) * | 2019-10-24 | 2020-02-21 | 湖南行必达网联科技有限公司 | Double-battery control system and fuel vehicle |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979655A (en) * | 2012-11-23 | 2013-03-20 | 三一重机有限公司 | Preheating control system and engineering machinery |
| CN203747366U (en) * | 2014-01-27 | 2014-07-30 | 长城汽车股份有限公司 | Preheating relay |
| CN104948331A (en) * | 2015-06-29 | 2015-09-30 | 李欣 | Automobile preheating method and system |
-
2017
- 2017-02-21 CN CN201710091811.0A patent/CN106873483B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979655A (en) * | 2012-11-23 | 2013-03-20 | 三一重机有限公司 | Preheating control system and engineering machinery |
| CN203747366U (en) * | 2014-01-27 | 2014-07-30 | 长城汽车股份有限公司 | Preheating relay |
| CN104948331A (en) * | 2015-06-29 | 2015-09-30 | 李欣 | Automobile preheating method and system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108919034A (en) * | 2018-08-01 | 2018-11-30 | 浙江方圆电气设备检测有限公司 | A kind of preheating conversion equipment and pilot system for photovoltaic fuse-link short-circuit test |
| CN110816446A (en) * | 2019-10-24 | 2020-02-21 | 湖南行必达网联科技有限公司 | Double-battery control system and fuel vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106873483B (en) | 2020-06-19 |
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