CN206709317U - A kind of air-conditioner for vehicle cooling system control panel - Google Patents
A kind of air-conditioner for vehicle cooling system control panel Download PDFInfo
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- CN206709317U CN206709317U CN201720424168.4U CN201720424168U CN206709317U CN 206709317 U CN206709317 U CN 206709317U CN 201720424168 U CN201720424168 U CN 201720424168U CN 206709317 U CN206709317 U CN 206709317U
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Abstract
A kind of air-conditioner for vehicle cooling system control panel, including control panel body, one-chip computer module, it is made up of PWM alignment circuits, temperature sensing circuit, MOS drive circuit, air pressure detection circuit, analog quantity detection circuit, respectively there are two signal input parts, two power output ends in 4th tunnel, the 5th tunnel MOS drive circuit, are connected therebetween by wire.One-chip computer module can be shown six road temperature signals, the two-way air pressure signal of input in digital form by supporting display screen in use.When external voltage is too high, the 24V dc sources of meeting deenergization plate input prevent overtension from causing one-chip computer module subsequent conditioning circuit to damage.By the control signal size of control input to one-chip computer module, the rotating speed of compressor of air conditioner, radiator fan can be controlled through PWM alignment circuits.Controlled electric service life can be extended through the PTC contactors of air-conditioning system, bypass contactor, water pump, four blower fan work modes on five tunnel MOS drive circuit control electric automobiles.
Description
Technical field
It the utility model is related to air-conditioning control equipment field, particularly electric automobile to use, there is one kind of multiple functions
Air-conditioner for vehicle cooling system control panel.
Background technology
Only there is PWM alignment circuits all the way, it is impossible to real on the air conditioner cooling system control panel that existing electric automobile uses
The speed governing of existing air-conditioning heat dissipation fan, noise is big during fan work, influences the service life of fan, only has temperature detection electricity all the way
Road, can only be to carrying out temperature detection in air-conditioning smaller range, it is impossible to realizes multi-point temperature detection, electricity is detected without high pressure
Road, when circuit voltage exception, it is impossible to make a response, circuit is detected without air pressure, it is impossible to understand pressure during air-conditioning system work
Power, without MOS drive circuit, in air-conditioning system including water pump, contactor etc. electric device work when do not save and
Noise is big.
Utility model content
The drawbacks of in order to overcome the air conditioner cooling system control panel function that existing electric automobile uses few, the utility model carries
Supply to have and realized compressor of air conditioner, the two-way PWM alignment circuits of radiator fan speed governing, there are six road temperature sensing circuits, can
Multi-point temperature detection is realized to air-conditioning, there is high-voltage detecting circuit, when circuit voltage exception, high pressure can be disconnected, has two
Individual air pressure detects circuit, will appreciate that pressure during air-conditioning system work, the MOS drive circuit with seven power output ends, energy
Reduce air-conditioning system on including water pump, contactor including etc. electric device work caused by noise, and reach energy-conservation imitate
A kind of air-conditioner for vehicle cooling system control panel of fruit.
Technical scheme is used by the utility model solves its technical problem：
A kind of air-conditioner for vehicle cooling system control panel, including control panel body, one-chip computer module, it is characterised in that by
Two road PWM alignment circuits, six road temperature sensing circuits, five tunnel MOS drive circuits, two-way air pressure detection circuit, analog quantity detection
Circuit is formed, and respectively there are two signal input parts, two power output ends in the 4th tunnel, the 5th tunnel MOS drive circuit, therebetween by leading
Line connects, the power input of PWM alignment circuits first, the 3rd road cathode power supply input of five tunnel MOS drive circuits and control
24V dc sources connect on plate body, temperature sensing circuit power input, air pressure detection circuit power input, analog quantity
Detection circuit power input is connected with 3.3V dc sources on control panel body by wire, PWM alignment circuit second sources
Input, the second source input of the 3rd tunnel MOS drive circuit, the 4th tunnel and the 5th tunnel MOS drive circuit power input
Connected with 5V dc sources on control panel body, six road temperature sensing circuit signal output parts, two-way air pressure detection circuit signal
Nine signal input parts on output end, analog quantity detection circuit signal output end and one-chip computer module connect respectively, single-chip microcomputer
Two signal input parts of the two of which signal output part respectively with two road PWM alignment circuits in module connect, single-chip microcomputer mould
Other seven signal output parts on block connect with seven signal input parts of five tunnel MOS drive circuits respectively, two road PWM speed governing
Two cathode power supply output ends of circuit respectively with control panel body drive electric automobile on air-conditioning system compressor, radiating
The drive module cathode power supply input connection of fan, totally two cathode power supplies are defeated for the five tunnel MOS drive circuit first via, the second tunnel
Go out peripheral cell field of the end respectively with the PTC contactors of driving electric automobile air-conditioning system, bypass contactor on control panel body
Effect pipe source electrode is connected, and electric automobile is driven on the road cathode power supply output end of five tunnel MOS drive circuit the 3rd and control panel body
The peripheral cell FET source electrode connection of upper air-conditioning system water pump, totally four just for the tunnel of five tunnel MOS drive circuit the 4th, the 5th tunnel
Pole power output end respectively with control panel body drive electric automobile on four blower fans of air-conditioning system peripheral cell field-effect
Pipe source electrode connects.
Described main control chip isDSP/TMS320F28335PGFAOne-chip computer module, there are nine signals to input for it
Six road temperature signals, the two-way air pressure signal of input can be passed through supporting display by end, nine signal output parts, one-chip computer module
Screen is shown in digital form, multiple Cao Zuoanjians on one-chip computer module, is inputted in the 9th signal of one-chip computer module
, can deenergization plate on one-chip computer module internal circuit and one-chip computer module under relay effect during the input data signal of end
The 24V dc sources of input.
Two described road PWM alignment circuits are per road by phase inverter, resistance, ceramic disc capacitor, NPN triode, the poles of PNP tri-
Pipe, commutation diode composition, are connected, phase inverter model is SN74HC14DR, and resistance has nine, ceramic disc capacitor by wire therebetween
There are five, NPN triode there are two, first resistance one end and first ceramic disc capacitor one end, the pin of inverter signal input 1
Connection, the pin of inverter signal output end 2 and second resistance one end, the 3rd resistance one end connection, the 3rd resistance other end
Connected with the 4th resistance one end, the 3rd ceramic disc capacitor one end, first NPN transistor base, phase inverter cathode power supply is defeated
Enter 4 pin of end and second ceramic disc capacitor one end, second resistance other end connection, first NPN triode colelctor electrode and the 6th
Resistance one end, the 7th resistance one end connection, the 7th resistance other end and second NPN transistor base, PNP triode
Base stage connects, second NPN triode emitter stage and PNP triode emitter stage, the 8th resistance one end, the 9th resistance one end
Connection, the 6th resistance other end and the 5th resistance one end connection, the 5th resistance other end and second NPN triode collection
Electrode, the connection of silicon rectifier diode negative pole, silicon rectifier diode positive pole and the 5th ceramic disc capacitor one end connection, the 8th resistance
The other end and the 9th resistance other end, the 4th ceramic disc capacitor one end connection, first ceramic disc capacitor other end and second
The ceramic disc capacitor other end, the 3rd ceramic disc capacitor other end, the 4th ceramic disc capacitor other end, the 5th ceramic disc capacitor are another
End, the 4th resistance other end, first NPN triode emitter stage, PNP triode grounded collector.
Six described road temperature sensing circuits are per road by resistance, ceramic disc capacitor, operational amplifier and commutation diode group
Into being connected therebetween by wire, operational amplifier model is LMC6482AIM, and resistance has three, and ceramic disc capacitor has five, and silicon is whole
Stream diode has two, and first resistance one end connects with second resistance one end, first ceramic disc capacitor one end, second electricity
Hinder the other end and second ceramic disc capacitor one end, the connection of the pin of operational amplifier positive signal input 3, operational amplifier negative pole letter
Number pin of input 2 connects with the pin of operational amplifier signal output part 1, the 3rd resistance one end, the 4th ceramic disc capacitor one end, and
Three resistance other ends and the 5th ceramic disc capacitor one end, first silicon rectifier diode positive pole, second silicon rectifier diode
Negative pole connects, the pin of operational amplifier cathode power supply input 8 and the 3rd ceramic disc capacitor one end, first resistance other end, the
One silicon rectifier diode positive pole connection, first ceramic disc capacitor other end and second the ceramic disc capacitor other end, operation amplifier
The pin of device negative power supply input 4, the 4th ceramic disc capacitor other end, the 5th ceramic disc capacitor other end, second silicon rectifier two
Pole pipe negative pole, the 3rd ceramic disc capacitor other end ground connection.
Described analog quantity detection circuit is consistent with temperature sensing circuit construction.
The described five tunnel MOS drive circuit first via, the second tunnel form by phase inverter, resistance, ceramic disc capacitor, lead to therebetween
Wire connection is crossed, phase inverter model is SN74HC14DR, and resistance there are two, first resistance one end and ceramic disc capacitor one end, anti-
The pin of phase device signal input part 9 connects, and inverter signal output end connects with second resistance one end, another termination of ceramic disc capacitor
Ground, the first via, second resistance other end of the second tunnel MOS drive circuit, is contacted with air-conditioning system PTC on electric automobile respectively
The source electrode connection of device, bypass contactor peripheral cell FET.
Five described tunnel MOS drive circuits the 3rd route phase inverter, resistance, ceramic disc capacitor, NPN triode, PNP triode
Composition, is connected, phase inverter model is SN74HC14DR, and resistance has seven, and ceramic disc capacitor has three, NPN tri- by wire therebetween
Pole pipe has two, and first resistance one end connects with first ceramic disc capacitor one end, the pin of inverter signal input 9, phase inverter
The pin of signal output part 8 and second resistance one end, the 3rd resistance one end connection, the 3rd resistance other end and the 4th resistance
One end, second ceramic disc capacitor one end, the connection of first NPN transistor base, first NPN triode colelctor electrode and the 5th
Resistance one end, the 6th resistance one end connection, the 6th resistance other end and second NPN transistor base, PNP triode base
Pole connects, and second NPN triode emitter stage connects with PNP triode emitter stage, the 7th resistance one end, and the 5th resistance is another
One end connects with second NPN triode colelctor electrode, the 3rd ceramic disc capacitor one end, first ceramic disc capacitor other end and second
The ceramic disc capacitor other end, the 3rd ceramic disc capacitor other end, the 4th resistance other end, first NPN triode emitter stage,
PNP triode grounded collector, air-conditioning system water on the 7th resistance other end and electric automobile of the 3rd tunnel MOS drive circuit
The source electrode connection of pump peripheral cell FET.
The described tunnel of five tunnel MOS drive circuit the 4th, the 5th tunnel form by drive integrated circult, resistance, ceramic disc capacitor,
Being connected therebetween by wire, drive integrated circult model is TC4427AEOA, and resistance has five, and ceramic disc capacitor has three, first
Resistance one end and the 3rd resistance one end, first ceramic disc capacitor one end, the pin of the first signal input part 2 of drive integrated circult
Connection, second resistance one end and the 3rd resistance other end, second ceramic disc capacitor one end, the second letter of drive integrated circult
The connection of number pin of input 4, two pin of 7 pin of power output end 5 of drive integrated circult respectively with the 4th resistance one end, the 5th
Resistance one end connects, the pin of drive integrated circult cathode power supply input 6 and the 3rd ceramic disc capacitor one end connection, three ceramics electricity
Hold other end ground connection, the 4th tunnel, the 4th resistance other end of the 5th tunnel MOS drive circuit, the 5th resistance other end, totally four
Source electrode of the individual power output end respectively with four blower fan peripheral cell FETs of air-conditioning system on electric automobile connects.
Described two-way air pressure detection circuit is per road by resistance, ceramic disc capacitor, operational amplifier and commutation diode group
Into being connected therebetween by wire, operational amplifier model is LMC6482AIM, and resistance and ceramic disc capacitor respectively have five, silicon rectifier
Diode has two, first resistance one end and second resistance one end, the 3rd resistance one end, the 4th resistance one end,
One ceramic disc capacitor one end connection, the 4th resistance other end and second ceramic disc capacitor one end, operational amplifier positive signal
The pin of input 3 connects, the pin of operational amplifier negative signal input 2 and the pin of operational amplifier signal output part 1, the 5th resistance
One end, the 4th ceramic disc capacitor one end connection, the 5th resistance other end and the 5th ceramic disc capacitor one end, first silicon rectifier
Diode cathode, second silicon rectifier diode negative pole connection, the pin of operational amplifier cathode power supply input 8 and the 3rd ceramics
Electric capacity one end, first resistance other end, the connection of first silicon rectifier diode positive pole, first ceramic disc capacitor other end and the
Two ceramic disc capacitor other ends, the pin of operational amplifier negative power supply input 4, second resistance other end, the 3rd resistance are another
One end, the 4th ceramic disc capacitor other end, the 5th ceramic disc capacitor other end, second silicon rectifier diode negative pole ground connection.
The utility model beneficial effect is：In use, one-chip computer module can be by six road temperature signals, the two-way air pressure of input
Signal, shown in digital form by supporting display screen, driver can intuitively grasp data.In use, work as external electrical
When pressing through high, when analog quantity detection circuit output data signal enters the 9th signal input part of one-chip computer module, in monolithic
On machine inside modules circuit and one-chip computer module under relay effect, the 24V dc sources of meeting deenergization plate input prevent electricity
Pressing through height causes one-chip computer module subsequent conditioning circuit to damage.Driver is opened by bridge operation on operating electric vehicle in use
Close, the control signal size of control input to one-chip computer module, compressor of air conditioner, radiation air can be controlled through PWM alignment circuits
The rotating speed of fan.Can PTC contactors, bypass contactor, water through air-conditioning system on five tunnel MOS drive circuit control electric automobiles
Pump, four blower fan work modes, extend controlled electric service life, and five tunnel MOS drive circuits have that input resistance is big, noise
It is low, the advantages of heat endurance is good, and capability of resistance to radiation is strong, and circuit efficiency is high.More than being based on, so before this new application having had
Scape.
Brief description of the drawings
The utility model is described further with reference to the accompanying drawings and examples.
Fig. 1 is the road PWM alignment circuits of the utility model two wherein circuit diagram all the way；
Fig. 2 is the road temperature sensing circuit of the utility model six wherein circuit diagram all the way；
Fig. 3 is the wherein circuit diagram all the way on the tunnel of five tunnel MOS drive circuit of the utility model first and second；
Fig. 4 is the circuit diagram on the tunnel of five tunnel MOS drive circuit of the utility model the 3rd；
Fig. 5 is the wherein circuit diagram all the way on the tunnel of five tunnel MOS drive circuit of the utility model fourth, fifth；
Fig. 6 is the circuit diagram of the utility model two-way air pressure detection circuit wherein all the way；
Embodiment
Fig. 1、2、3、4、5、6Shown in, two road PWM alignment circuits per road by phase inverter A1, resistance R1, R2, R3, R4,
R5, R6, R7, R8, R9, ceramic disc capacitor C1, C2, C3, C4, C5, NPN triode Q1, Q2, PNP triode Q3, commutation diode
VD1 is formed, and is connected therebetween by wire, and phase inverter A1 models are SN74HC14DR, and resistance has nine, and ceramic disc capacitor has five,
NPN triode has two, first resistance R1 one end and first ceramic disc capacitor C1 one end, the pin of phase inverter A1 signal input parts 1
Connection, the pin of phase inverter A1 signal output parts 2 and second resistance R2 one end, the 3rd resistance R3 one end connection, the 3rd resistance
The R3 other ends and the 4th resistance R4 one end, the 3rd ceramic disc capacitor C3 one end, first NPN triode Q1 base stage connection, instead
The pin of phase device A1 cathode power supplies input 4 and second ceramic disc capacitor one end, second resistance other end connection, first NPN tri-
Pole pipe Q1 colelctor electrodes and the 6th resistance R6 one end, the 7th resistance R7 one end connection, the 7th resistance R7 other end and second
NPN triode Q2 base stages, the connection of PNP triode Q3 base stages, second NPN triode Q2 emitter stage and PNP triode Q3 hairs
Emitter-base bandgap grading, the 8th resistance R8 one end, the 9th resistance R9 one end connection, the 6th resistance R6 other end and the 5th resistance R5 mono-
End connection, the 5th resistance R5 other end and second NPN triode Q2 colelctor electrode, the connection of silicon rectifier diode VD1 negative poles,
Silicon rectifier diode VD1 positive poles and the 5th ceramic disc capacitor C5 one end connection, the 8th resistance R8 other end and the 9th resistance
The R9 other ends, the 4th ceramic disc capacitor C4 one end connection, first ceramic disc capacitor C1 other end and second ceramic disc capacitor C2 are another
One end, the 3rd ceramic disc capacitor C3 other end, the 4th ceramic disc capacitor C4 other end, the 5th ceramic disc capacitor C3 other end,
Four resistance R4 other ends, first NPN triode Q1 emitter stage, PNP triode Q3 grounded collectors.Six tunnel temperature detection electricity
Road per road by resistance R10, R11, R12, ceramic disc capacitor C6, C7, C8, C9, C10, operational amplifier A 2 and commutation diode
VD2, VD3 are formed, and are connected therebetween by wire, the model of operational amplifier A 2 is LMC6482AIM, and resistance has three, ceramic disc capacitor
There are five, silicon rectifier diode there are two, first resistance R10 one end and second resistance R11 one end, first ceramic disc capacitor
C6 one end connects, and second resistance R11 other end and second ceramic disc capacitor C7 one end, the positive signal of operational amplifier A 2 are defeated
Enter end 3 pin connection, the pin of 2 negative signal input of operational amplifier A 2 and the pin of 2 signal output part of operational amplifier A 1, the 3rd
Resistance R12 one end, the 4th ceramic disc capacitor C8 one end connection, the 3rd resistance R12 other end and the 5th ceramic disc capacitor C9 mono-
End, first silicon rectifier diode VD2 positive pole, second silicon rectifier diode VD3 negative poles connection, the positive pole of operational amplifier A 2
The pin of power input 8 and the 3rd ceramic disc capacitor C10 one end, first resistance R10 other end, first silicon rectifier diode
VD2 positive poles connect, first ceramic disc capacitor C6 other end and second ceramic disc capacitor C7 other end, the negative electricity of operational amplifier A 2
The pin of source input 4, the 4th ceramic disc capacitor C8 other end, the 5th ceramic disc capacitor C9 other end, second silicon rectifier diode
VD3 negative poles, the 3rd ceramic disc capacitor C10 other ends ground connection.Analog quantity detection circuit is consistent with temperature sensing circuit construction.Five tunnels
The MOS drive circuit first via, the second tunnel ceramic disc capacitor C11 compositions, pass through wire therebetween by phase inverter A2, resistance R13, R14
Connection, phase inverter A3 models are SN74HC14DR, and resistance has two, first resistance R13 one end and ceramic disc capacitor C11 one end,
The pin of phase inverter A3 signal input parts 9 connects, phase inverter A3 signal output parts and second resistance R14 one end connection, ceramic disc capacitor
The C11 other ends be grounded, the first via, second resistance R14 other end of the second tunnel MOS drive circuit, respectively with electric automobile
The source electrode connection of air-conditioning system PTC contactors, bypass contactor peripheral cell FET.The tunnel of five tunnel MOS drive circuit the 3rd
By phase inverter A4, resistance R15, R16, R17, R18, R19, R20, R21, ceramic disc capacitor C12, C13, C14, NPN triode Q4,
Q5, PNP triode Q6 are formed, and are connected therebetween by wire, phase inverter A4 models are SN74HC14DR, and resistance has seven, ceramics
Electric capacity has three, and NPN triode has two, first resistance R15 one end and first ceramic disc capacitor C12 one end, phase inverter A4
The pin of signal input part 9 connects, the pin of phase inverter A4 signal output parts 8 and second resistance R16 one end, the 3rd resistance R17 one end
Connection, the 3rd resistance R17 other end and the 4th resistance R18 one end, second ceramic disc capacitor C13 one end, first NPN tri-
Pole pipe Q4 base stages connect, and first NPN triode Q4 colelctor electrode and the 5th resistance R19 one end, the 6th resistance R20 one end connect
Connect, the 6th resistance R20 other end and second NPN triode Q5 base stage, the connection of PNP triode Q6 base stages, second NPN
Triode Q5 emitter stages connect with PNP triode Q6 emitter stages, the 7th resistance R21 one end, the 5th resistance R19 other end and
Second NPN triode Q5 colelctor electrode, the connection of the 3rd ceramic disc capacitor C14 one end, first ceramic disc capacitor C12 other end and the
Two ceramic disc capacitor C13 other ends, the 3rd ceramic disc capacitor C14 other end, the 4th resistance R18 other end, first NPN tri-
Pole pipe Q4 emitter stages, PNP triode Q5 grounded collectors, the 7th the resistance R21 other ends and electricity of the 3rd tunnel MOS drive circuit
The source electrode connection of air-conditioning system water pump peripheral cell FET on electrical automobile.The tunnel of five tunnel MOS drive circuit the 4th, the 5th road are equal
By drive integrated circult A5, resistance R22, R23, R24, R25, R26, ceramic disc capacitor C15, C16, C17 composition, pass through wire therebetween
Connection, drive integrated circult A5 models are TC4427AEOA, and resistance has five, and ceramic disc capacitor has three, first resistance R22 mono-
End and the 3rd resistance R24 one end, first ceramic disc capacitor C15 one end, the drive integrated circult A5 pin of the first signal input part 2
Connection, second resistance R23 one end and the 3rd resistance R24 other end, second ceramic disc capacitor C16 one end, the integrated electricity of driving
The road A5 pin of secondary signal input 4 connection, drive integrated circult A5 two pin of 7 pin of power output end 5 respectively with the 4th
Resistance R25 one end, the 5th resistance R26 one end connection, the pin of drive integrated circult A5 cathode power supplies input 6 and the 3rd ceramics
Electric capacity C17 one end connects, three ceramic disc capacitor C15, C16, C17 other ends ground connection, the 4th tunnel, the 5th tunnel MOS drive circuit
The 4th resistance R25 other end, the 5th resistance R26 other end, totally four power output ends respectively with air-conditioning on electric automobile
The source electrode connection of four blower fan peripheral cell FETs of system.Two-way air pressure detection circuit per road by resistance R27, R28,
R29, R30, R31, ceramic disc capacitor C18, C19, C20, C21, C22, operational amplifier A 6 and commutation diode VD4, VD5 composition,
Connected therebetween by wire, the model of operational amplifier A 6 is LMC6482AIM, and resistance and ceramic disc capacitor respectively there are five, silicon rectifier two
Pole pipe has two, first resistance R27 one end and second resistance R28 one end, the 3rd resistance R29 one end, the 4th resistance
R30 one end, first ceramic disc capacitor C18 one end connection, the 4th resistance R30 other end and second ceramic disc capacitor C19 one end,
The pin of 6 positive signal input of operational amplifier A 3 connects, the pin of 6 negative signal input of operational amplifier A 2 and operational amplifier
The pin of A6 signal output parts 1, the 5th resistance R31 one end, the 4th ceramic disc capacitor C21 one end connection, the 5th resistance R31 are another
One end and the 5th ceramic disc capacitor C22 one end, first silicon rectifier diode VD4 positive pole, second silicon rectifier diode VD5 are born
Pole connection, the pin of 6 cathode power supply input of operational amplifier A 8 and the 3rd ceramic disc capacitor C20 one end, first resistance R27 are another
End, first silicon rectifier diode VD4 positive poles connection, first ceramic disc capacitor C18 other end and second ceramic disc capacitor C19 are another
One end, the pin of 6 negative power supply input of operational amplifier A 4, second resistance R28 other end, the 3rd resistance R29 other end,
Four ceramic disc capacitor C21 other ends, the 5th ceramic disc capacitor C22 other end, second silicon rectifier diode VD5 negative poles ground connection.
Shown in Fig. 1,2,3,4,5,6, PWM alignment circuits the first power input silicon rectifier diode VD1 positive poles, five tunnels
24V dc sources are by leading on the road cathode power supply input ceramic disc capacitor C14 one end of MOS drive circuit the 3rd and control panel body
Line connects.The temperature sensing circuit power input resistance R10 other ends, air pressure detection circuit power input pickup resistance R27 are another
3.3V dc sources are connected by wire on end, the analog quantity detection circuit power input pickup resistance R10 other ends and control panel body
Connect.The pwm circuit second source input pickup resistance R2 other ends, the 3rd tunnel MOS drive circuit second source input pickup resistance R16
5V direct currents on the other end, the 4th tunnel and the 5th tunnel MOS drive circuit power input ceramic disc capacitor C17 one end and control panel body
Power supply is connected by wire.Six roads temperature sensing circuit signal output part ceramic disc capacitor C9 one end, two-way air pressure detection circuit porcelain
Nine signals on chip capacitor C22 one end, analog quantity detection circuit signal output end ceramic disc capacitor C9 one end and one-chip computer module
Input is connected by wire respectively.Two of which signal output part on one-chip computer module respectively with two tunnel speed governing pwm circuits
Two signal input part resistance R1 other ends connected by wire.Other seven signal output parts difference on one-chip computer module
With seven signal input parts of five tunnel MOS drive circuits, the resistance R13 other ends of the first via and the second tunnel MOS drive circuit,
The resistance R15 other ends of 3rd tunnel MOS drive circuit, the resistance R22 other ends on the 4th tunnel and the 5th tunnel MOS drive circuit and
The resistance R23 other ends are connected by wire respectively.Two positive source power output end ceramics electricity of two road PWM alignment circuits
Hold C4 one end, respectively with drive module that the compressor of air-conditioning system, radiator fan on electric automobile are driven on control panel body
Cathode power supply input connects.Totally two cathode power supply output end resistance R14 other ends divide five tunnel MOS drive circuits wherein two-way
Not and on control panel body, PTC contactors, the peripheral cell FET of bypass contactor of electric automobile air-conditioning system are driven
Source electrode connects.Air-conditioning on the road cathode power supply output end resistance R21 other ends of five tunnel MOS drive circuit the 3rd and driving electric automobile
The peripheral cell FET source electrode connection of system water pump.The tunnel of five tunnel MOS drive circuit the 4th, the 5th tunnel totally four cathode power supplies
The peripheral cell FET source of four blower fans of air-conditioning system on output end resistance R25, R26 other end and driving electric automobile
Pole connects.
Shown in Fig. 1, in two road PWM alignment circuits：First, second signal output part of one-chip computer module is defeated in use
After going out power supply signal, signal is inputted to phase inverter A1 1 pin by the resistance R1 and electric capacity C1 RC filter filterings formed, anti-phase
Device A1 2 pin reversed phase output voltage signals work in NPN triode Q1 by pull-up resistor R2, biasing resistor R3, R4 effect
On off state, for the supply voltage of NPN triode Q1 colelctor electrode output through pulling up biasing resistor R6, R5, current-limiting resistance R7 effects are defeated
Enter to push-pull circuit NPN triode Q2, PNP triode Q3 base stages, NPN triode Q2, the height electricity of PNP triode Q3 Parallel opertations
Mean longitude current-limiting resistance R8, R9 Parallel opertation.High level difference of the two road PWM alignment circuits through current-limiting resistance R8, R9 Parallel opertation
Driven into electric automobile, on control panel body the compressor of air-conditioning system on electric automobile, radiator fan drive module just
Pole power input, then, compressor of air conditioner, radiator fan obtain electric work, are opened by bridge operation on operating electric vehicle
Close, the control signal size of control input to one-chip computer module, so as to control the rotating speed of compressor of air conditioner, radiator fan.
Shown in Fig. 2, in six road temperature sensing circuits：The temp probe platinum resistance thermometer sensor, of temperature sensing circuit is on external temperature
When rising, the increase of platinum resistance thermometer sensor, resistance, resistance R11 and the voltage of resistance R10 partial pressures rise, and voltage is through resistance R11 and ceramic disc capacitor
The RC filter filterings of C7 compositions enter 3 pin of operational amplifier A 2, then, 1 pin output voltage signal of operational amplifier A 2,
Six signal input parts of single-chip microcomputer are separately input into through resistance R12 and ceramic disc capacitor C8 filtering, one-chip computer module will can input
Six road temperature signals show that so, driver can intuitively grasp temperature number in digital form by supporting display screen
According to.
Shown in Fig. 3, in the first via, the second tunnel MOS drive circuit：The 3rd, the 4th signal on one-chip computer module
After output end output low level signal, low level signal is through the RC filter filterings that resistance R13 and ceramic disc capacitor C11 is formed through anti-
Phase device A3 9 pin input, phase inverter A3 8 pin anti-phase output high level, high level is after current-limiting resistance R14 current limlitings, and first
Road, two cathode power supply output end resistance R14 other ends of the second tunnel MOS drive circuit export high level entrance respectively, electronic
Air-conditioning system PTC contactors, the source electrode of bypass contactor peripheral cell FET on automobile, then, air-conditioning system PTC contacts
Device, bypass contactor are controlled to obtain electric work.
Shown in Fig. 4, in the 3rd tunnel MOS drive circuit：The high electricity of the 5th signal output part output on one-chip computer module
After ordinary mail number, RC filter filterings that high level signal forms through resistance R15, ceramic disc capacitor C12, and enter the 9 of phase inverter A4
Pin inputs, phase inverter A4 8 pin anti-phase output low levels, and low level passes through pull-up resistor R16, biasing resistor R17, R18 effect
Into NPN triode Q4 base stages, NPN triode Q4 cut-offs, then, resistance R20 exports high level, push-pull circuit NPN triodes
Q5 and PNP triode Q6 conductings, PNP triode Q6 cut-offs, NPN triode Q5 colelctor electrodes output high level, high level is through current limliting
Resistance R21 current limlitings enter the source electrode of electric automobile charging pump peripheral cell FET, and then, water pump obtains electric work.
Shown in Fig. 5, in the 4th tunnel, the 5th tunnel MOS drive circuit：The 3rd on one-chip computer module, the 4th, the 5th
After individual, the 6th signal output part output high level signal, under the effect of drive integrated circult A5 peripheral cells, the 4th road MOS
Resistance R25, R26 other end of drive circuit, resistance R25, R26 other end of the 5th tunnel MOS drive circuit, output is high electric respectively
The flat source electrode into four blower fan peripheral cell FETs on electric automobile, then, four blower fans obtain electric work.
Shown in Fig. 6, in two-way air pressure detection circuit：The air-conditioning system pipe that air pressure detection circuit baroceptor detects
When road air pressure rises, baroceptor output current increase, the voltage signal of output is inputted after resistance R27 current limlitings to electricity in parallel
R28, R29 are hindered, the voltage on resistance R28, R29 rises, the RC filter filterings through resistance R30 and ceramic disc capacitor C19 compositions,
And enter the pin of signal input part 3 of operational amplifier A 6, then, 1 pin output voltage signal of operational amplifier A 6, through resistance
R31 is separately input into the 7th, the 8th signal input part of single-chip microcomputer, one-chip computer module with ceramic disc capacitor C21, C22 filtering
The two-way atmospheric pressure high low signal of input can be shown that driver can be directly perceived by supporting display screen in digital form
Grasp barometric information.
Shown in Fig. 2, in simulated measurement input circuit：When external voltage raises, voltage is through resistance R11 and ceramic disc capacitor C7 groups
Into RC filter filterings enter operational amplifier A 23 pin, then, 1 pin output voltage signal of operational amplifier A 2, through electricity
Resistance R12 and ceramic disc capacitor C8 filtering is separately input into the 9th signal input part of single-chip microcomputer, in one-chip computer module internal circuit
Under relay effect on one-chip computer module, the 24V dc sources of meeting deenergization plate input.
Shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, in two road PWM alignment circuits：Resistance R1 resistances are 1K, ceramic disc capacitor
C1 specifications are 100P, and resistance R2 resistances are 3.9K, and resistance R3 resistances are that 10K, resistance R4 resistances are 10K, NPN triode Q1 types
Number it is 8050, resistance R5 resistances are 4.7K, and resistance R6 resistances are 4.7K, and resistance R6 resistances are 1K, and NPN triode Q2 models are
8050, PNP triode Q3 models are 8550, and resistance R8, R9 resistance is 51 Ω.In six road temperature sensing circuits：Resistance R11 resistances
It is 1K, ceramic disc capacitor C6, C7, C8, C9 specification is 0.01 μ F, and resistance R12 resistances are 560 Ω.In two-way air pressure detection circuit：Electricity
It is 300 Ω to hinder R28, R29 resistance, and resistance R30 resistances are 10K, and ceramic disc capacitor C18, C19, C20, C21 specification is 0.01 μ F, electricity
It is 560 Ω to hinder R3 resistances, and ceramic disc capacitor C22 specifications are 0.001 μ F.In five tunnel MOS drive circuits：Resistance R13 resistances are 1K,
Ceramic disc capacitor C11 specifications are 100P, and resistance R14 resistances are 560 Ω, and resistance R15 resistances are 1K, and ceramic disc capacitor C19 specifications are
100P, resistance R16 resistances are 3.9K, and resistance R17 resistances are 10K, and resistance R18 resistances are 10K, NPN triode Q4, Q6 model
It is 8050, resistance R20 resistances are 4.7K, and PNP triode Q6 models are 8550, and resistance R21 resistances are 560 Ω；Resistance R22 resistances
It is 1K, resistance R23 resistances are 1K, and ceramic disc capacitor C15C16C17 specifications are 0.01 μ F, and resistance R24 resistances are 1K, and resistance R25 hinders
Value is 560 Ω.
It is not new to limit it should be noted that the present embodiment is the utility model preferred embodiments, it is all in this reality
Apply and any modification, equivalent substitution and improvements etc. are done in a spirit, should be included within the scope of protection of the utility model.
Claims (8)
1. a kind of air-conditioner for vehicle cooling system control panel, including control panel body, one-chip computer module, it is characterised in that by two
Road PWM alignment circuits, six road temperature sensing circuits, five tunnel MOS drive circuits, two-way air pressure detection circuit, analog quantity detection electricity
Road is formed, and respectively there are two signal input parts, two power output ends in the 4th tunnel, the 5th tunnel MOS drive circuit, pass through wire therebetween
Connection, the power input of PWM alignment circuits first, the 3rd road cathode power supply input and control panel of five tunnel MOS drive circuits
24V dc sources connect on body, temperature sensing circuit power input, air pressure detection circuit power input, analog quantity inspection
Slowdown monitoring circuit power input is connected with 3.3V dc sources on control panel body by wire, and PWM alignment circuit second sources are defeated
Enter end, the second source input of the 3rd tunnel MOS drive circuit, the 4th tunnel and the 5th tunnel MOS drive circuit power input and
5V dc sources connect on control panel body, and six road temperature sensing circuit signal output parts, two-way air pressure detection circuit signal are defeated
Nine signal input parts gone out on end, analog quantity detection circuit signal output end and one-chip computer module connect respectively, single-chip microcomputer mould
Two signal input parts of the two of which signal output part respectively with two road PWM alignment circuits on block connect, one-chip computer module
On other seven signal output parts connected respectively with seven signal input parts of five tunnel MOS drive circuits, two road PWM speed governing electricity
Two cathode power supply output ends on road respectively with control panel body drive electric automobile on air-conditioning system compressor, radiation air
The drive module cathode power supply input connection of fan, the totally two cathode power supply output of the five tunnel MOS drive circuit first via, the second tunnel
Imitated respectively with the PTC contactors of driving electric automobile air-conditioning system, the peripheral cell field of bypass contactor on control panel body at end
Should the connection of pipe source electrode, drive on electric automobile in the road cathode power supply output end of five tunnel MOS drive circuit the 3rd and control panel body
The peripheral cell FET source electrode connection of air-conditioning system water pump, the tunnel of five tunnel MOS drive circuit the 4th, the 5th tunnel totally four positive poles
Power output end respectively with control panel body drive electric automobile on four blower fans of air-conditioning system peripheral cell FET
Source electrode connects.
A kind of 2. air-conditioner for vehicle cooling system control panel according to claim 1, it is characterised in that two described tunnels
PWM alignment circuits form per road by phase inverter, resistance, ceramic disc capacitor, NPN triode, PNP triode, commutation diode, its
Between connected by wire, phase inverter model is SN74HC14DR, and resistance has nine, and ceramic disc capacitor has five, and NPN triode has two
Only, first resistance one end connects with first ceramic disc capacitor one end, the pin of inverter signal input 1, inverter signal output
Hold 2 pin and second resistance one end, the 3rd resistance one end connection, the 3rd resistance other end and the 4th resistance one end, the
Three ceramic disc capacitor one end, first NPN transistor base connection, the pin of phase inverter cathode power supply input 4 and second ceramics
Electric capacity one end, second resistance other end connection, first NPN triode colelctor electrode and the 6th resistance one end, the 7th electricity
Hinder one end connection, the 7th resistance other end and second NPN transistor base, the connection of PNP triode base stage, second NPN
Transistor emitter connects with PNP triode emitter stage, the 8th resistance one end, the 9th resistance one end, and the 6th resistance is another
One end connects with the 5th resistance one end, the 5th resistance other end and second NPN triode colelctor electrode, silicon rectifier diode
Negative pole connects, silicon rectifier diode positive pole and the 5th ceramic disc capacitor one end connection, the 8th resistance other end and the 9th electricity
Hinder the other end, the connection of the 4th ceramic disc capacitor one end, first ceramic disc capacitor other end and second ceramic disc capacitor other end, the
Three ceramic disc capacitor other ends, the 4th ceramic disc capacitor other end, the 5th ceramic disc capacitor other end, the 4th resistance are another
End, first NPN triode emitter stage, PNP triode grounded collector.
A kind of 3. air-conditioner for vehicle cooling system control panel according to claim 1, it is characterised in that six tunnel temperature inspections
Slowdown monitoring circuit forms per road by resistance, ceramic disc capacitor, operational amplifier and commutation diode, is connected therebetween by wire, computing
Amplifier Model is LMC6482AIM, and resistance has three, and ceramic disc capacitor has five, and silicon rectifier diode has two, first electricity
Resistance one end connects with second resistance one end, first ceramic disc capacitor one end, second resistance other end and second ceramics electricity
Hold one end, the connection of the pin of operational amplifier positive signal input 3, the pin of operational amplifier negative signal input 2 and operation amplifier
The pin of device signal output part 1, the 3rd resistance one end, the 4th ceramic disc capacitor one end connection, the 3rd resistance other end and the 5th
Ceramic disc capacitor one end, first silicon rectifier diode positive pole, second silicon rectifier diode negative pole connection, operational amplifier is just
The pin of pole power input 8 and the 3rd ceramic disc capacitor one end, first resistance other end, first silicon rectifier diode positive pole connect
Connect, first ceramic disc capacitor other end and second ceramic disc capacitor other end, the pin of operational amplifier negative power supply input 4,
Four ceramic disc capacitor other ends, the 5th ceramic disc capacitor other end, second silicon rectifier diode negative pole, the 3rd ceramic disc capacitor
The other end is grounded.
4. a kind of air-conditioner for vehicle cooling system control panel according to claim 1, it is characterised in that analog quantity detects
Circuit is consistent with temperature sensing circuit construction.
A kind of 5. air-conditioner for vehicle cooling system control panel according to claim 1, it is characterised in that five described tunnels
The MOS drive circuit first via, the second tunnel form by phase inverter, resistance, ceramic disc capacitor, are connected therebetween by wire, phase inverter
Model is SN74HC14DR, and resistance has two, first resistance one end and ceramic disc capacitor one end, the pin of inverter signal input 9
Connection, inverter signal output end connect with second resistance one end, ceramic disc capacitor other end ground connection, the first via, the second road MOS
Second resistance other end of drive circuit, it is first with air-conditioning system PTC contactors, bypass contactor periphery on electric automobile respectively
The source electrode connection of part FET.
6. a kind of air-conditioner for vehicle cooling system control panel according to claim 1, it is characterised in that five road MOS drive
Circuit the 3rd route phase inverter, resistance, ceramic disc capacitor, NPN triode, PNP triode composition, is connected therebetween by wire, instead
Phase type number is SN74HC14DR, and resistance has seven, and ceramic disc capacitor has three, and NPN triode has two, first resistance one end
Connected with first ceramic disc capacitor one end, the pin of inverter signal input 9, the pin of inverter signal output end 8 and second resistance
One end, the connection of the 3rd resistance one end, the 3rd resistance other end and the 4th resistance one end, second ceramic disc capacitor one end,
First NPN transistor base connection, first NPN triode colelctor electrode and the 5th resistance one end, the 6th resistance one end
Connection, the 6th resistance other end and second NPN transistor base, the connection of PNP triode base stage, second NPN triode
Emitter stage connects with PNP triode emitter stage, the 7th resistance one end, the 5th resistance other end and second NPN triode
Colelctor electrode, the 3rd ceramic disc capacitor one end connection, first ceramic disc capacitor other end and second the ceramic disc capacitor other end, the 3rd
The ceramic disc capacitor other end, the 4th resistance other end, first NPN triode emitter stage, PNP triode grounded collector,
Air-conditioning system water pump peripheral cell FET on the 7th resistance other end and electric automobile of 3rd tunnel MOS drive circuit
Source electrode connects.
7. a kind of air-conditioner for vehicle cooling system control panel according to claim 1, it is characterised in that five road MOS drive
The tunnel of circuit the 4th, the 5th tunnel form by drive integrated circult, resistance, ceramic disc capacitor, are connected therebetween by wire, driving is integrated
Circuit model is TC4427AEOA, and resistance has five, and ceramic disc capacitor has three, first resistance one end and the 3rd resistance one
End, the pin of the first signal input part 2 connection of first ceramic disc capacitor one end, drive integrated circult, second resistance one end and the
Three resistance other ends, the pin of secondary signal input 4 connection of second ceramic disc capacitor one end, drive integrated circult, driving collection
Two pin of 7 pin of power output end 5 into circuit connect with the 4th resistance one end, the 5th resistance one end respectively, and driving is integrated
The pin of circuit anode power input 6 and the 3rd ceramic disc capacitor one end connection, three ceramic disc capacitor other end ground connection, the 4th tunnel,
The 4th resistance other end, the 5th resistance other end of 5th tunnel MOS drive circuit, totally four power output ends are respectively and electric
The source electrode connection of four blower fan peripheral cell FETs of air-conditioning system on electrical automobile.
8. a kind of air-conditioner for vehicle cooling system control panel according to claim 1, it is characterised in that two-way air pressure is examined
Slowdown monitoring circuit forms per road by resistance, ceramic disc capacitor, operational amplifier and commutation diode, is connected therebetween by wire, computing
Amplifier Model is LMC6482AIM, and resistance and ceramic disc capacitor respectively have five, and silicon rectifier diode has two, first resistance one
End connects with second resistance one end, the 3rd resistance one end, the 4th resistance one end, first ceramic disc capacitor one end, and the 4th
The resistance other end and second ceramic disc capacitor one end, the connection of the pin of operational amplifier positive signal input 3, operational amplifier are born
The pin of pole signal input part 2 and the pin of operational amplifier signal output part 1, the 5th resistance one end, the 4th ceramic disc capacitor one end connect
Connect, the 5th resistance other end and the 5th ceramic disc capacitor one end, first silicon rectifier diode positive pole, second silicon rectifier two
The connection of pole pipe negative pole, the pin of operational amplifier cathode power supply input 8 and the 3rd ceramic disc capacitor one end, first resistance are another
End, first silicon rectifier diode positive pole connection, first ceramic disc capacitor other end and second the ceramic disc capacitor other end, computing
The pin of amplifier negative power supply input 4, second resistance other end, the 3rd resistance other end, the 4th ceramic disc capacitor are another
End, the 5th ceramic disc capacitor other end, second silicon rectifier diode negative pole ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720424168.4U CN206709317U (en) | 2017-04-21 | 2017-04-21 | A kind of air-conditioner for vehicle cooling system control panel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720424168.4U CN206709317U (en) | 2017-04-21 | 2017-04-21 | A kind of air-conditioner for vehicle cooling system control panel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114060298A (en) * | 2020-08-04 | 2022-02-18 | 广东美的环境电器制造有限公司 | Control circuit and method of electric fan |
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2017
- 2017-04-21 CN CN201720424168.4U patent/CN206709317U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114060298A (en) * | 2020-08-04 | 2022-02-18 | 广东美的环境电器制造有限公司 | Control circuit and method of electric fan |
| CN114060298B (en) * | 2020-08-04 | 2023-11-17 | 广东美的环境电器制造有限公司 | Control circuit and method of electric fan |
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Granted publication date: 20171205 Termination date: 20200421 |