CN204804984U - Vehicle fuel temperature control device - Google Patents
Vehicle fuel temperature control device Download PDFInfo
- Publication number
- CN204804984U CN204804984U CN201520607991.XU CN201520607991U CN204804984U CN 204804984 U CN204804984 U CN 204804984U CN 201520607991 U CN201520607991 U CN 201520607991U CN 204804984 U CN204804984 U CN 204804984U
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- Prior art keywords
- circuit board
- heat exchange
- electronic control
- semiconductor refrigeration
- circuit
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Abstract
The utility model relates to a vehicle fuel temperature control device, it includes that the outside has the fin, the inboard has the thermal module that semiconductor refrigeration heated the component accommodation space, one side heats the component with semiconductor refrigeration and seals in semiconductor refrigeration heats the component accommodation space, the opposite side has the hot switching module of circulation oil duct, one side is used for closed circulation oil duct side, the opposite side has the electronic control module of circuit board accommodation space and is used for the apron of circuit board encapsulation in circuit board accommodation space. Can control the oil temperature all the time within the best acting temperature range of fuel, ensure that the fuel can smoothly flow and the burning acting, and then ensured engine normal boot and operation, simultaneously, reduce the vehicle oil consumption, effectively protected the engine oil way, prolonged engine service life.
Description
Technical field
The utility model relates to a kind of vehicle fuel temperature control apparatus.
Background technique
The acting temperature that various vehicle fuel, particularly diesel oil have it suitable, fuel oil temperature is too low or too highly all can affect it and normally use.Specifically, when temperature is too low, motor car engine fuel flow used is smooth, affect motor and normally starts and operate, cause Motor Vehicle to be difficult to start, or traveling is cast anchor, and even can damage engine components in extreme circumstances on the way.Therefore, usually need to heat fuel oil when using in cold environments, to guarantee that fuel oil can flow and work by combustion swimmingly, guarantee that motor normally starts and operates.Temperature is too high, can increase vehicle oil consumption, and cause damage to engine oil path, reduces service life of aeroengine.
Existing vehicle fuel temperature control apparatus majority adopts contact heat-exchanging mode electric heating member being placed in fuel oil, and power consumption is large, and easily leak electricity, there is potential safety hazard, working life is short.And cannot cool fuel oil.
Model utility content
Technical problem to be solved in the utility model is: provide a kind of vehicle fuel temperature control apparatus, and it can not only carry out heating and cooling safely and reliably to fuel oil, and fuel oil temperature can be controlled within setting range.
In order to solve the problems of the technologies described above, the utility model have employed following technological scheme.
A kind of vehicle fuel temperature control apparatus, it is characterized in that: it comprises outside with radiating fin, inner side with the radiating module of semiconductor refrigeration heating elements containing space, semiconductor refrigeration heating elements is enclosed in semiconductor refrigeration heating elements containing space by side, opposite side with the heat exchange module of circulation oil duct, side is used for closed circulation oil duct side, opposite side with the electronic control module of circuit board containing space and for by the cover plate of circuit board package in circuit board containing space; Described heat exchange module enters delivery connection with two, and two are entered delivery connection and are connected with two ends of described circulation oil duct respectively; Heat exchange module also offers heat exchange module thread hole; Circulation oil duct is avoided in the position of offering of heat exchange module thread hole; Electronic control module also offers electronic control module thread hole; The lead-in wire that is arranged on the circuit board in circuit board containing space is connected with described semiconductor refrigeration heating elements with heat exchange module thread hole through electronic control module thread hole successively.
The side opening contacted with heat exchange module of described electronic control module is provided with seal groove, is provided with seal ring in seal groove.
Electronic control module thread hole is positioned at outside seal groove.
Good effect of the present utility model is:
The first, changed by the electrode of semiconductor refrigeration heating elements, in oil temperature lower than implementing heating under setting range in limited time, higher than setting range being implemented refrigeration in limited time.Oil temperature can be controlled all the time, within fuel oil the best acting temperature range, to ensure that fuel oil can flow and work by combustion swimmingly, and then ensure that motor normally starts and operates; Meanwhile, reduce vehicle oil consumption, available protecting engine oil path, extends service life of aeroengine.
The second, fuel gallery, semiconductor refrigeration heating elements and circuit board installing space are independent mutually, and electricity and fuel oil are isolated, and a transferring heat, can not leak electricity, not have potential safety hazard.
Three, whole device volume is little, and power consumption is low, and the thermal efficiency is high, and temperature raising cooling rate is fast.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.Fig. 2 is the structural representation of the utility model radiating module.Fig. 3 is the structural representation of the utility model heat exchange module.Fig. 4 is the Facad structure schematic diagram of the utility model electronic control module.Fig. 5 is the structure schematic diagram of the utility model electronic control module.Fig. 6 is the schematic diagram of the cold and hot drive circuit of the utility model circuit board.Fig. 7 is the schematic diagram of the utility model circuit board sequence circuit.Fig. 8 is the schematic diagram of the utility model circuit board oil temperature testing circuit.Fig. 9 is the schematic diagram of the utility model board power circuit.
Embodiment
The utility model is further illustrated below in conjunction with drawings and Examples.
As shown in Figure 1 and Figure 2, embodiment of the present utility model comprises outside with radiating fin 1-1, inner side with the radiating module 1 of semiconductor refrigeration heating elements containing space 1-2, semiconductor refrigeration heating elements 7 is enclosed in semiconductor refrigeration heating elements containing space 1-2 by side, opposite side with the heat exchange module 2 of circulation oil duct 2-1, side is used for closed circulation oil duct 2-1 side, opposite side with the electronic control module 3 of circuit board containing space 3-1 and for by the cover plate 4 of circuit board package in circuit board containing space 3-1.Radiating module 1, heat exchange module 2 and electronic control module 3 is fastened to each other by screw 6.Cover plate 4 is fixedly mounted in electronic control module 3.
As shown in Figure 3, described heat exchange module 2 enters delivery connection 2-3 with two, and two are entered delivery connection 2-3 and are connected with two ends of described circulation oil duct 2-1 respectively.Heat exchange module 2 also offers heat exchange module thread hole 2-2.Circulation oil duct 2-1 is avoided in the position of offering of heat exchange module thread hole 2-2.
As shown in Figure 5, the side opening contacted with heat exchange module 2 of described electronic control module 3 is provided with seal groove 3-3, be provided with seal ring 5 as shown in Figure 1 in seal groove 3-3, the effect of seal ring 5 avoids the fuel oil in circulation oil duct 2-1 to flow out through the gap between electronic control module 3 and heat exchange module 2.As shown in Figure 4, Figure 5, electronic control module 3 also offers the electronic control module thread hole 3-2 just right with heat exchange module thread hole 2-2 position.Electronic control module thread hole 3-2 is positioned at outside seal groove 3-3.
The lead-in wire that is arranged on the circuit board in circuit board containing space 3-1 is connected with described semiconductor refrigeration heating elements 7 with heat exchange module thread hole 2-2 through electronic control module thread hole 3-2 successively.
Described circuit board comprises the cold and hot drive circuit shown in Fig. 6, the sequence circuit shown in Fig. 7, the oil temperature testing circuit shown in Fig. 8 and the power circuit shown in Fig. 9.
As Fig. 7 and Fig. 8, sequence circuit comprises the MCU being connected with electric capacity C3, and the RESET pin of MCU is connected with resistance R30 and electric capacity C5.Sequence circuit is the core of whole circuitry, controls with output for completing temperature detection.Oil temperature testing circuit for detecting oil temperature comprises the electric capacity C6 and resistance R31 that are connected to each other, and the contact side between electric capacity C6 and resistance R31 is connected with oil temperature sensor, and opposite side is connected with MCU.Described oil temperature sensor is arranged in circulation oil duct 2-1.
Power circuit is as shown in Figure 9 used for vehicle-mounted 12V or 24V voltage transitions to become suitable voltage, is program control electricity
Road provides the power supply of need of work, and provides suitable voltage for cold and hot drive circuit.
Cold and hot drive circuit is as shown in Figure 6 made up of MOSFET element Q3, MOSFET element Q4, MOSFET element Q13 and MOSFET element Q14 and peripheral cell.
(1), MOSFET element Q3 and MOSFET element Q14 and peripheral cell formation heat drive circuit.
Wherein MOSFET element Q3 and peripheral cell formation heat driving arm circuit, and MOSFET element Q14 and peripheral cell formation heat lower driving arm circuit.
A, heat driving arm circuit and be made up of following circuit:
A), level protection and change-over circuit: be made up of, for preventing high voltage diode D5, triode Q8, resistance R9, resistance R11 and resistance R1.Signal enters low voltage circuit, carries out the low pressure command signal of input to be converted to the drive singal of high pressure.
B), totem drive circuit: by triode Q2, triode Q6, resistance R5, resistance R8 and diode D3 are formed, and for the high voltage low current signal of prime is converted to high voltage and high current drive singal, guarantee that the MOSFET of rear class can normally work.
C), output and auxiliary cicuit: be made up of MOSFET element Q3, reference diode DZ2, resistance R2 and resistance R32, guarantee that it normally works for providing the power supply signal of enough power to load; Reference diode DZ2 plays overvoltage protection effect, damages because of overtension for preventing MOSFET.Resistance R2 is pull-up resistor, for MOSFET provides initialization level, misleads when preventing from powering on.
B, heat lower driving arm circuit and be made up of following circuit:
A), level protection and change-over circuit: be made up of diode D12, triode Q17, triode Q10, resistance R26, resistance R28, resistance R16, resistance R14 and resistance R24, enter low voltage circuit for preventing high voltage signal and the low pressure command signal of input is carried out being converted to high-voltage driven signal.
B), totem drive circuit: by triode Q9, triode Q15, resistance R20, resistance R19 and diode D8 are formed, and for the high voltage low current signal of prime is converted to high voltage and high current drive singal, guarantee that the MOSFET of rear class can normally work.
C), output and auxiliary cicuit: be made up of MOSFET element Q14, reference diode DZ3, resistance R23 and resistance R33, guarantee that it normally works for providing the power supply signal of enough power to load; Reference diode DZ3 plays overvoltage protection, prevents MOSFET from damaging because of overtension.R23 is pull down resistor, for MOSFET provides initialization level, misleads when preventing from powering on; Resistance R33 and described resistance R32 mono-is used to export and balances.
(2), MOSFET element Q4 and MOSFET element Q13 and peripheral cell form refrigeration drive circuit.
Wherein MOSFET element Q4 and peripheral cell form the upper driving arm circuit of refrigeration, and MOSFET element Q13 and peripheral cell form the lower driving arm circuit of refrigeration.
In A, refrigeration, driving arm circuit is made up of following circuit:
A), level protection and change-over circuit: be made up of diode D6, triode Q7, resistance R10, resistance R12 and resistance R4, enter low voltage circuit for preventing high voltage signal, carrying out the low pressure command signal of input to be converted to the drive singal of high pressure.
B), totem drive circuit: by triode Q1, triode Q5, resistance R7, resistance R6 and diode D34 are formed, and for the high voltage low current signal of prime is converted to high voltage and high current drive singal, guarantee that the MOSFET of rear class can normally work.
C), output and auxiliary cicuit: be made up of MOSFET element Q4, reference diode DZ1, resistance R3 and resistance R33, guarantee that it normally works for providing the power supply signal of enough power to load; Reference diode DZ1 plays overvoltage protection, prevents MOSFET from damaging because of overtension.R23 is pull-up resistor, for MOSFET provides initialization level, misleads when preventing from powering on.
The lower driving arm circuit of B, refrigeration is made up of following circuit:
A), level protection and change-over circuit: be made up of diode D11, triode Q18, triode Q11, resistance R25, resistance R27, resistance R15, resistance R13 and resistance R21, enter low voltage circuit for preventing high voltage signal and the low pressure command signal of input is carried out being converted to high-voltage driven signal.
B), totem drive circuit: by triode Q12, triode Q16, resistance R17, resistance R18 and diode D7 are formed, and for the high voltage low current signal of prime is converted to high voltage and high current drive singal, guarantee that the MOSFET of rear class can normally work.
C), output and auxiliary cicuit: be made up of MOSFET element Q13, reference diode DZ4, resistance R22 and resistance R32, guarantee that it normally works for providing the power supply signal of enough power to load; Reference diode DZ4 plays overvoltage protection, prevents MOSFET from damaging because of overtension; R22 is pull down resistor, for MOSFET provides initialization level, misleads when preventing from powering on; R32 and described R33 mono-is used to export and balances.
Circuit working principle:
1, when sequence circuit send quit work command signal time, heat and the drive circuit that freezes all is in the state of quitting work, output voltage signal is 0, and load is in the state of quitting work, and neither heats and does not also freeze.
2, command signal HEATING is heated when sequence circuit sends, enter the upper driving arm circuit and lower driving arm circuit that heat drive circuit respectively, through polarity protection and electrical level conversion circuit, low voltage signal is converted to high voltage signal, through totem-pote circuit, high voltage low current signal is converted to high-voltage large current drive singal again, last driven MOS FET work; Refrigeration drive circuit does not work, and output voltage signal is on the occasion of (OUT+ voltage be greater than OUT ?voltage), and load enters and heats working state.
3, when the sequence circuit number of sending, refrigeration command signal COOLING, enter the upper driving arm circuit of refrigeration drive circuit and lower driving arm circuit respectively, through polarity protection and electrical level conversion circuit, low voltage signal is converted to high voltage signal, through totem-pote circuit, high voltage low current signal is converted to high-voltage large current drive singal again, last driven MOS FET work; Heat drive circuit not work, output voltage signal be negative value (OUT ?voltage be greater than OUT+ voltage, load enters refrigeration work state.
System Working Principle:
1, sequence circuit is detected temperature signal by oil temperature testing circuit, if temperature is lower than setting range lower limit, drives cold and hot drive circuit to carry out heating work.
If 2 temperature are higher than the setting range upper limit, then sequence circuit drives cold and hot drive circuit to carry out refrigeration work.
Claims (3)
1. a vehicle fuel temperature control apparatus, it is characterized in that: it comprises outside with radiating fin (1-1), inner side is with the radiating module (1) of semiconductor refrigeration heating elements containing space (1-2), semiconductor refrigeration heating elements (7) is enclosed in semiconductor refrigeration heating elements containing space (1-2) by side, opposite side is with the heat exchange module (2) of circulation oil duct (2-1), side is used for closed circulation oil duct (2-1) side, opposite side is with the electronic control module (3) of circuit board containing space (3-1) and for by the cover plate (4) of circuit board package in circuit board containing space (3-1), described heat exchange module (2) enters delivery connection (2-3) with two, and two are entered delivery connection (2-3) and are connected with two ends of described circulation oil duct (2-1) respectively, heat exchange module (2) also offers heat exchange module thread hole (2-2), circulation oil duct (2-1) is avoided in the position of offering of heat exchange module thread hole (2-2), electronic control module (3) also offers electronic control module thread hole (3-2), the lead-in wire that is arranged on the circuit board in circuit board containing space (3-1) is connected with described semiconductor refrigeration heating elements (7) with heat exchange module thread hole (2-2) through electronic control module thread hole (3-2) successively.
2. vehicle fuel temperature control apparatus as claimed in claim 1, it is characterized in that: the side opening contacted with heat exchange module (2) of described electronic control module (3) is provided with seal groove (3-3), is provided with seal ring (5) in seal groove (3-3).
3. vehicle fuel temperature control apparatus as claimed in claim 2, is characterized in that: electronic control module thread hole (3-2) is positioned at outside seal groove (3-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520607991.XU CN204804984U (en) | 2015-08-13 | 2015-08-13 | Vehicle fuel temperature control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520607991.XU CN204804984U (en) | 2015-08-13 | 2015-08-13 | Vehicle fuel temperature control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204804984U true CN204804984U (en) | 2015-11-25 |
Family
ID=54589821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520607991.XU Expired - Fee Related CN204804984U (en) | 2015-08-13 | 2015-08-13 | Vehicle fuel temperature control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204804984U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989566A (en) * | 2015-08-13 | 2015-10-21 | 孙伟 | Vehicle fuel temperature control device |
-
2015
- 2015-08-13 CN CN201520607991.XU patent/CN204804984U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989566A (en) * | 2015-08-13 | 2015-10-21 | 孙伟 | Vehicle fuel temperature control device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151125 Termination date: 20190813 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |