CN105041545A - Controller for glow plug relay - Google Patents
Controller for glow plug relay Download PDFInfo
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- CN105041545A CN105041545A CN201510365074.XA CN201510365074A CN105041545A CN 105041545 A CN105041545 A CN 105041545A CN 201510365074 A CN201510365074 A CN 201510365074A CN 105041545 A CN105041545 A CN 105041545A
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- control module
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- heater plug
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Abstract
The invention discloses a controller for a glow plug relay. The controller comprises a master control module, a power module, an input end connection start switch, an input signal processing circuit of a temperature sensor and a preheating control circuit with the output end connected with the glow plug relay. The output end of the input signal processing circuit is connected with the input end of the master control module. The output end of the master control module is connected with the input end of the preheating control circuit. The power module is connected with the power end of the master control module, the power end of the input signal processing circuit and the power end of the preheating control circuit. According to the controller for the glow plug relay, the controller can be controlled according to changes of the environment temperature to complete the glow plug work, the controller can well help a diesel engine start smoothly at the low temperature, the vehicle cost is lowered greatly, and the controller can be especially used for auxiliary start of preheating of the diesel engine of non-road vehicles or engineering mechanical devices.
Description
Technical field
The present invention relates to diesel engine control technology field, particularly a kind of heater plug relay-operated controller controlling diesel engine starting.
Background technique
Diesel engine is make diesel oil spontaneous combustion by High Temperature High Pressure in start-up course, therefore during diesel engine starting, the height of vapour cylinder temperature has a significant impact startup diesel engine, especially when temperature is lower, owing to reveal and thermal loss reduces the temperature of compression pressure in cold conditions cylinder and pressurized gas, thus there is cold start-up situation.Cold starts the extraneous problem of limit, and namely diesel engine is when ambient temperature is lower than uniform temperature, then cannot complete startup if do not arranged pre-heating system, therefore needs to arrange in auxiliary combustion indoor pre-heating system and helps diesel engine and start smoothly.But in heater plug working procedure, operating current is larger, usually tens of ampere can be reached, normal controller cannot directly bear so large electric current, indirectly controlled by heater plug relay, this working procedure can be completed well, its principle is by controlling heater plug work in the mode of Small current control big current, and the working state of heater plug relay has then controlled heater plug startup work by heater plug relay-operated controller.
At present, the heater plug relay on market is integrated in the middle of ECU controller mostly, directly controls heater plug relay complete heater plug startup work by ECU controller.But, in some off roaders, engineering mechanical device, often ECU controller not being set, if install ECU controller for controlling heater plug work, will added cost being caused.Therefore exploitation needs a kind of low cost, has the controller for function to control off roader, the heater plug work of engineering mechanical device diesel engine seems particularly necessary.
Summary of the invention
The technical issues that need to address of the present invention are to provide a kind of heater plug relay-operated controller, make diesel engine in start-up course can the change of environmentally temperature to control the work of heater plug relay, namely control heater plug work, thus reach the object that auxiliary diesel starts smoothly.
For solving the problems of the technologies described above, the technical solution used in the present invention is as follows.
A kind of heater plug relay-operated controller, comprise main control module, Warming-up control circuit that input signal processing circuit that power module, input end connect enable switch and temperature transducer and output terminal are connected heater plug relay, the output terminal of described input signal processing circuit connects the input end of main control module, and the output terminal of main control module connects the input end of Warming-up control circuit; Described power module is connected with the power end of main control module, input signal processing circuit and Warming-up control circuit respectively.
Above-mentioned a kind of heater plug relay-operated controller, described input signal processing circuit comprises the actuating signal processing circuit and processes temperature signal circuit that are set up in parallel; The input end of described actuating signal processing circuit connects the signal end of enable switch, and the output terminal of actuating signal processing circuit connects the first signal input part of main control module; The input end of described processes temperature signal circuit connects the output terminal of temperature transducer, and the output terminal of processes temperature signal circuit connects the secondary signal input end of main control module.
Above-mentioned a kind of heater plug relay-operated controller, described actuating signal processing circuit comprises triode, the base stage of triode connects the signal end of enable switch through the 5th resistance, the collector electrode of triode connects power supply signal through the 4th resistance, the grounded-emitter connection of triode, the base stage of triode is also through the 6th resistance eutral grounding, and the collector electrode of triode is through the 7th capacity earth.
Above-mentioned a kind of heater plug relay-operated controller, described processes temperature signal circuit comprises current-limiting resistance, divider resistance and the 8th filter capacitor and the 9th filter capacitor, the input end of current-limiting resistance connects temperature transducer output terminal, the output terminal of current-limiting resistance connects the input end of main control module, the input end of current-limiting resistance also connects power end through divider resistance, and the output terminal of current-limiting resistance is connected power end through the 8th filter capacitor with the 9th filter capacitor successively.
Above-mentioned a kind of heater plug relay-operated controller, the master chip of described main control module adopts MC9S08SF4MTG single-chip microcomputer.
Above-mentioned a kind of heater plug relay-operated controller, described Warming-up control circuit master chip adopts ULN2803 darlington array driving chip, the input end of ULN2803 chip is connected two signal output parts of main control module respectively with the second resistance through the first resistance, the output terminal of ULN2803 chip connects the controlled end of heater plug relay.
Above-mentioned a kind of heater plug relay-operated controller, is also provided with the LED light being used to indicate heater plug working state between the output terminal of described Warming-up control circuit and enable switch.
Owing to have employed above technological scheme, the invention technological progress is as follows.
The present invention can environmentally the change of temperature control heater plug relay-operated controller and completes heater plug work, helps diesel engine to realize smooth startup at low temperatures well, significantly reduces vehicle cost.The present invention can be specifically designed to the diesel engine preheating assistant starting of off roader or engineering mechanical device, the petrol engine of more difficult startup under also can be used for low temperature environment.
Accompanying drawing explanation
Fig. 1 is vehicle pre-heating system structural drawing;
Fig. 2 is structural representation of the present invention;
Fig. 3 is the circuit diagram of power module of the present invention;
Fig. 4 is the circuit diagram of actuating signal processing circuit of the present invention;
Fig. 5 is the circuit diagram of processes temperature signal circuit of the present invention;
Fig. 6 is the circuit diagram of main control module of the present invention;
Fig. 7 is the circuit diagram of Warming-up control circuit of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further elaborated.
A kind of heater plug relay-operated controller, its structured flowchart as shown in Figure 2, comprise main control module, Warming-up control circuit that input signal processing circuit that power module, input end connect enable switch and temperature transducer and output terminal are connected heater plug relay, the output terminal of input signal processing circuit connects the input end of main control module, and the output terminal of main control module connects the input end of Warming-up control circuit; Power module is connected with the power end of main control module, input signal processing circuit and Warming-up control circuit respectively.
The signal that input signal processing circuit is used for gathering processes, and comprises the actuating signal processing circuit and processes temperature signal circuit that are set up in parallel.
The signal that actuating signal processing circuit is used for enable switch exports processes, and its input end connects the signal end of enable switch, and the output terminal of actuating signal processing circuit connects the ST signal input part of main control module.In the present embodiment, the circuit diagram of actuating signal processing circuit as shown in Figure 4, comprise triode Q1, the 4th resistance R4, the 5th resistance R5, the 6th resistance R6 and the 7th electric capacity C7, wherein the base stage of triode Q1 connects the signal end of enable switch through the 5th resistance R5, the collector electrode of triode Q1 connects power supply signal through the 4th resistance R4, the grounded-emitter connection of triode Q1, the base stage of triode Q1 is also through the 6th resistance R6 ground connection, and the collector electrode of triode Q1 is through the 7th electric capacity C7 ground connection.
The temperature signal that processes temperature signal circuit is used for gathering processes, and its input end connects the output terminal of temperature transducer, and the output terminal of processes temperature signal circuit connects the TIN signal input part of main control module.In the present embodiment, the circuit diagram of processes temperature signal circuit as shown in Figure 5, processes temperature signal circuit comprises current-limiting resistance R7, divider resistance R8, the 8th filter capacitor C8 and the 9th filter capacitor C9, the input end of current-limiting resistance R7 connects temperature transducer output terminal, the output terminal of current-limiting resistance R7 connects the input end of main control module, the input end of current-limiting resistance R7 also connects power end through divider resistance R8, and the output terminal of current-limiting resistance R7 is connected power end through the 8th filter capacitor C8 with the 9th filter capacitor C9 successively.
Main control module is used for analyzing the signal of input signal processing circuit collection, then exports control signal to Warming-up control circuit, and as shown in Figure 6, master chip adopts MC9S08SF4MTG single-chip microcomputer to its circuit diagram.
Warming-up control circuit is for driving the heater plug actuating of relay to complete heater plug work.In the present embodiment, the circuit of Warming-up control circuit as shown in Figure 7, master chip adopts ULN2803 darlington array driving chip, the input end of ULN2803 chip is connected YRIN signal output part and the YRLEDIN signal output part of main control module respectively with the second resistance R2 through the first resistance R1, the YROUT signal output part of ULN2803 chip connects the controlled end of heater plug relay.
Also be provided with LED light between the YRLEDOUT signal output part of Warming-up control circuit of the present invention and enable switch, be used to indicate the working state of heater plug.
Power module is used for providing working power for main control module and input signal processing circuit, its circuit diagram as shown in Figure 3, comprise power supply chip, anti-pulsed tube TVS1, the first electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3 and anti-reverse diode D1, power supply chip adopts MC7805 chip.The input end of MC7805 chip connects input power VBAT through anti-reverse diode D1, the grounding that the negative pole of anti-reverse diode D1 is connected in parallel via anti-pulsed tube TVS1, the second electric capacity C2 and the 3rd electric capacity C3; + 5V the output terminal of MC7805 chip through the first electric capacity C1 ground connection, and exports Vcc voltage signal.
The present invention is applied in diesel engine, the annexation of itself and pre-heating system as shown in Figure 1, specific works principle is: the temperature signal of the temperature transducer of collection carries out processing backward main control module input TIN signal by input signal processing circuit, main control module is according to the working state of TIN signal determination heater plug, if true temperature is lower than setting temperature, then main control module exports YRIN SC sigmal control Warming-up control circuit output YROUT signal to Warming-up control circuit and drives the adhesive of heater plug relay, by Small current control big current, complete heater plug work, main control module exports YRLEDIN signal to Warming-up control circuit and drives the work of preheating LED light by controlling Warming-up control circuit output YRLEDOUT signal simultaneously, easy-to-operat person observes warm.Now, if main control module receives actuating signal ST, then enter rear warm-up phase, when after after preheating terminates, warm terminates.
Claims (7)
1. a heater plug relay-operated controller, it is characterized in that: comprise main control module, Warming-up control circuit that input signal processing circuit that power module, input end connect enable switch and temperature transducer and output terminal are connected heater plug relay, the output terminal of described input signal processing circuit connects the input end of main control module, and the output terminal of main control module connects the input end of Warming-up control circuit; Described power module is connected with the power end of main control module, input signal processing circuit and Warming-up control circuit respectively.
2. a kind of heater plug relay-operated controller according to claim 1, is characterized in that: described input signal processing circuit comprises the actuating signal processing circuit and processes temperature signal circuit that are set up in parallel; The input end of described actuating signal processing circuit connects the signal end of enable switch, and the output terminal of actuating signal processing circuit connects the first signal input part of main control module; The input end of described processes temperature signal circuit connects the output terminal of temperature transducer, and the output terminal of processes temperature signal circuit connects the secondary signal input end of main control module.
3. according to claim 2 heater plug relay-operated controller, it is characterized in that: described actuating signal processing circuit comprises triode (Q1), the base stage of triode (Q1) connects the signal end of enable switch through the 5th resistance (R5), the collector electrode of triode (Q1) connects power supply signal through the 4th resistance (R4), the grounded-emitter connection of triode (Q1), the base stage of triode (Q1) is also through the 6th resistance (R6) ground connection, and the collector electrode of triode (Q1) is through the 7th electric capacity (C7) ground connection.
4. according to claim 2 heater plug relay-operated controller, it is characterized in that: described processes temperature signal circuit comprises current-limiting resistance (R7), divider resistance (R8) and the 8th filter capacitor (C8) and the 9th filter capacitor (C9), the input end of current-limiting resistance (R7) connects temperature transducer output terminal, the output terminal of current-limiting resistance (R7) connects the input end of main control module, the input end of current-limiting resistance (R7) also connects power end through divider resistance (R8), the output terminal of current-limiting resistance (R7) is connected power end through the 8th filter capacitor (C8) with the 9th filter capacitor (C9) successively.
5. a kind of heater plug relay-operated controller according to claim 1, is characterized in that: the master chip of described main control module adopts MC9S08SF4MTG single-chip microcomputer.
6. a kind of heater plug relay-operated controller according to claim 1, it is characterized in that: described Warming-up control circuit master chip adopts ULN2803 darlington array driving chip, the input end of ULN2803 chip is connected two signal output parts of main control module respectively with the second resistance (R2) through the first resistance (R1), the output terminal of ULN2803 chip connects the controlled end of heater plug relay.
7. a kind of heater plug relay-operated controller according to any one of claim 1 to 6, is characterized in that: be also provided with the LED light being used to indicate heater plug working state between the output terminal of described Warming-up control circuit and enable switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510365074.XA CN105041545A (en) | 2015-07-27 | 2015-07-27 | Controller for glow plug relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510365074.XA CN105041545A (en) | 2015-07-27 | 2015-07-27 | Controller for glow plug relay |
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| CN105041545A true CN105041545A (en) | 2015-11-11 |
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| CN201510365074.XA Pending CN105041545A (en) | 2015-07-27 | 2015-07-27 | Controller for glow plug relay |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109339964A (en) * | 2018-11-20 | 2019-02-15 | 上海星融汽车科技有限公司 | It is a kind of for optimizing the device and method of electric control diesel system cold starting performance |
| CN110017233A (en) * | 2019-05-17 | 2019-07-16 | 杭叉集团股份有限公司 | A kind of preheating timer |
| CN110901565A (en) * | 2018-09-14 | 2020-03-24 | 上海擎感智能科技有限公司 | Warm-up time estimation method, system, storage medium and equipment |
| WO2023201889A1 (en) * | 2022-04-21 | 2023-10-26 | 上海三一重机股份有限公司 | Engine prewarming protection method and system, and operation machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030010306A1 (en) * | 2001-06-29 | 2003-01-16 | Michiaki Nishimoto | Glow plug energization controlling device |
| CN2782971Y (en) * | 2003-11-28 | 2006-05-24 | 刘宝成 | Low temperature automatic start preheating device for motor, vehicle |
| CN101598100A (en) * | 2009-07-07 | 2009-12-09 | 中国重汽集团济南动力有限公司 | Diesel oil preheating system and pre-heating mean |
| CN201851259U (en) * | 2010-10-17 | 2011-06-01 | 徐工集团工程机械股份有限公司科技分公司 | Engine preheating system for road roller |
| CN204729215U (en) * | 2015-07-27 | 2015-10-28 | 无锡隆盛科技股份有限公司 | A kind of heater plug relay-operated controller |
-
2015
- 2015-07-27 CN CN201510365074.XA patent/CN105041545A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030010306A1 (en) * | 2001-06-29 | 2003-01-16 | Michiaki Nishimoto | Glow plug energization controlling device |
| CN2782971Y (en) * | 2003-11-28 | 2006-05-24 | 刘宝成 | Low temperature automatic start preheating device for motor, vehicle |
| CN101598100A (en) * | 2009-07-07 | 2009-12-09 | 中国重汽集团济南动力有限公司 | Diesel oil preheating system and pre-heating mean |
| CN201851259U (en) * | 2010-10-17 | 2011-06-01 | 徐工集团工程机械股份有限公司科技分公司 | Engine preheating system for road roller |
| CN204729215U (en) * | 2015-07-27 | 2015-10-28 | 无锡隆盛科技股份有限公司 | A kind of heater plug relay-operated controller |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110901565A (en) * | 2018-09-14 | 2020-03-24 | 上海擎感智能科技有限公司 | Warm-up time estimation method, system, storage medium and equipment |
| CN109339964A (en) * | 2018-11-20 | 2019-02-15 | 上海星融汽车科技有限公司 | It is a kind of for optimizing the device and method of electric control diesel system cold starting performance |
| CN110017233A (en) * | 2019-05-17 | 2019-07-16 | 杭叉集团股份有限公司 | A kind of preheating timer |
| CN110017233B (en) * | 2019-05-17 | 2024-02-27 | 杭叉集团股份有限公司 | Preheating timer |
| WO2023201889A1 (en) * | 2022-04-21 | 2023-10-26 | 上海三一重机股份有限公司 | Engine prewarming protection method and system, and operation machine |
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