CN110203034A - Car air-conditioner detection circuit - Google Patents
Car air-conditioner detection circuit Download PDFInfo
- Publication number
- CN110203034A CN110203034A CN201910498594.6A CN201910498594A CN110203034A CN 110203034 A CN110203034 A CN 110203034A CN 201910498594 A CN201910498594 A CN 201910498594A CN 110203034 A CN110203034 A CN 110203034A
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- indicator light
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- 238000001514 detection method Methods 0.000 title claims abstract description 30
- 238000012360 testing method Methods 0.000 claims abstract description 61
- 238000004378 air conditioning Methods 0.000 claims abstract description 21
- 230000009466 transformation Effects 0.000 claims description 56
- 230000005611 electricity Effects 0.000 claims description 6
- 238000010992 reflux Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000008020 evaporation Effects 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 6
- 238000009833 condensation Methods 0.000 description 5
- 230000005494 condensation Effects 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 5
- 238000005057 refrigeration Methods 0.000 description 4
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
- B60H1/00585—Means for monitoring, testing or servicing the air-conditioning
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/005—Testing of electric installations on transport means
- G01R31/006—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/06—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
- H02M7/08—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode arranged for operation in parallel
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses a kind of car air-conditioner detection circuits, comprising: testing control module, for exporting test control signal；First interface module, is connected to control module, for test control signal to be transferred to the console of car air-conditioner；First indicating lamp module, is connected between control module and ground, is used to indicate the test control signal of control module output；Power module, for exporting air-conditioning driving voltage；Second interface module, is connected to power module, for air-conditioning driving voltage to be transferred to the power interface of car air-conditioner in testing；Second indicating lamp module is connected between power module and second interface module, is used to indicate car air-conditioner test mode；Third indicating lamp module is connected to second interface module, is used to indicate car air-conditioner working condition.Technical solution of the present invention solves in the prior art the technical issues of without the detection circuit for car air-conditioner, realizes the technical effect quickly tested for car air-conditioner.
Description
Technical field
The present embodiments relate to detection of air-conditioning technology more particularly to a kind of car air-conditioner detection circuits.
Background technique
Also lean is required to ask as quality requirement of the people to air-conditioning is higher and higher, therefore to the performance detection of air-conditioning aspect
Essence.
Traditional detection method does not catch up with manufacturing schedule not only, the performance before being yet unable to satisfy more and more product exports
Test request.In the prior art, usually directly car air-conditioner correlated performance is detected, is not directed to car air-conditioner pair
The detection circuit answered.
Summary of the invention
The present invention provides a kind of car air-conditioner detection circuit, to realize technical effect that car air-conditioner is quickly tested.
The present invention provides a kind of car air-conditioner detection circuit, comprising:
Testing control module, for exporting test control signal；
First interface module is connected to the control module, for the test control signal to be transferred to car air-conditioner
Console；
First indicating lamp module is connected between the control module and ground, is used to indicate the control module output
Test control signal；
Power module, for exporting air-conditioning driving voltage；
Second interface module is connected to the power module, for being in testing transferred to the air-conditioning driving voltage
The power interface of car air-conditioner；
Second indicating lamp module is connected between the power module and second interface module, is used to indicate car air-conditioner
Test mode.
Third indicating lamp module is connected to the second interface module, is used to indicate car air-conditioner working condition.
Optionally, the power module includes three phase mains interface, the first rectifier diode group, the second rectifier diode
Group, first voltage converter, second voltage converter, transformation output interface, switch K4 and switch K5；The three phase mains interface
The input terminal of the first rectifier diode group is connected, the output end of the first rectifier diode group is separately connected described first
The input terminal of electric pressure converter and the second voltage converter, the first voltage converter and the second voltage converter
Output end connects the output head anode and negative pole of output end of transformation output interface, and the second rectifier diode group connects the change
Between the output head anode and negative pole of output end for pressing output interface, the switch K4 is for controlling the three phase mains interface connection
Conduction and cut-off between the first rectifier diode group；The switch K5 is defeated for controlling the first rectifier diode group
Outlet and the first voltage converter and the second voltage converter alternative one realize conducting.
Optionally, the power module further includes ammeter, voltmeter, indicator light L12 and indicator light L13；The electric current
Table one end is connected on the cathode output end of the first voltage converter, and the other end connects the output of transformation output interface and rectifies
Pole；The voltmeter is in parallel with the second rectifier diode group；The indicator light L12 is connected in parallel on the both ends contactor KM3；It is described
Indicator light L13 is connected in parallel on the both ends contactor KM2.
Optionally, the testing control module includes the first chip based on the first vehicle models output test control signal
And the second chip based on the second vehicle models output test control signal.
Optionally, first vehicle models are sightseeing bus, and second vehicle models are bus.
Optionally, first indicating lamp module includes indicator light L1, indicator light L2, indicator light L3, indicator light L4, instruction
Lamp L5, indicator light L6, indicator light L7, switch K1 and the one end switch K2, the indicator light L1 are connected to the 2nd end of the first chip
On mouth or on the 2nd port of the second chip, the other end is connected on the negative pole of output end of transformation output interface of the power module；
The one end the indicator light L2 is connected on the 3rd port of the first chip or on the 3rd port of the second chip, and the other end is connected to institute
It states on the negative pole of output end of transformation output interface of power module；The one end the indicator light L3 is connected to first chip the 4th
On port or on the 4th port the second chip U2, the output end that the other end is connected to the transformation output interface of the power module is negative
On extremely；The one end the indicator light L4 is connected on the 8th port of the first chip or on the 8th port of the second chip, and the other end connects
It is connected on the negative pole of output end of transformation output interface of the power module；The one end the indicator light L5 is connected to first core
On the 11st port of piece, the other end is connected on the negative pole of output end of transformation output interface of the power module；The indicator light
The one end L6 is connected on the 10th port of the first chip or on the 10th port of the second chip, and the other end is connected to the power supply mould
On the negative pole of output end of the transformation output interface of block；The transformation output that the one end the indicator light L7 is connected to the power module connects
On the output head anode of mouth, the other end is connected on switch K2；The switch K1 be connected to the testing control module with it is described
Between first interface module C1；The one end the switch K2 connects the first interface module, and the other end is connected to the power supply mould
On the output head anode or negative pole of output end of the transformation output interface of block.
Optionally, second indicating lamp module includes indicator light L8 and indicator light L10, the connection of the one end the indicator light L8
Onto the negative pole of output end of the transformation output interface of the power module, the other end is connected to the second interface module C4 the 1st
On port；The one end the indicator light L10 is connected to the 5th port second interface module C3, and the other end is connected to the power supply
On the output head anode or negative pole of output end of the transformation output interface of module.
Optionally, the third indicating lamp module includes indicator light L9, indicator light L11 and switch K3, the indicator light L9
One end is connected on the 1st port second interface module C3, and the other end is connected to the 2nd port second interface module C3
On；The one end the indicator light L11 is connected on the 2nd port second interface module C4, and the other end is connected to described second and connects
On the 3rd port mouth mold block C4；The one end the switch K3 is connected to the output head anode of the transformation output interface of the power module
Or on negative pole of output end, the other end is connected on the indicator light L10.
It optionally, further include cut-off module, the cut-off module is connected to the testing control module and described first and refers to
Show between lamp module, for preventing current reflux to the testing control module.
Optionally, the cut-off module include diode D1, diode D2, diode D3, diode D4, diode D5,
Diode D6, diode D7, diode D8, diode D9, diode D10；The diode D1 anode is connected to described second
The 2nd port of chip, cathode are connected on the indicator light L1；The diode D2 anode is connected to the 2nd end of the first chip
Mouthful, cathode is connected on the indicator light L1；The diode D3 anode is connected to the 3rd port of the second chip, and cathode connects
It is connected on the indicator light L2；The diode D4 anode is connected to the 3rd port of the first chip, and cathode is connected to the finger
Show on lamp L2；The diode D5 anode is connected to the 4th port of the second chip, and cathode is connected on the indicator light L3；
The diode D6 anode is connected to the 4th port of the first chip, and cathode is connected on the indicator light L3；The diode
D7 anode is connected to the 8th port of the second chip, and cathode is connected on the indicator light L4；The diode D8 anode connection
To the 8th port of the first chip, cathode is connected on the indicator light L4；The diode D9 anode is connected to described first
The 10th port of chip, cathode are connected on the indicator light L6；The diode D10 anode is connected to second chip the 10th
Port, cathode are connected on the indicator light L6.
The present invention solves the detection in the prior art without being directed to car air-conditioner by a kind of car air-conditioner detection circuit
The technical issues of circuit, realizes the technical effect quickly tested for car air-conditioner.
Detailed description of the invention
Fig. 1 is the circuit circuit module figure in the embodiment of the present invention one；
Fig. 2 is the circuit diagram in the embodiment of the present invention one；
Fig. 3 is the console schematic diagram in the embodiment of the present invention one；
Fig. 4 is the power module schematic diagram in the embodiment of the present invention one；
Fig. 5 is the circuit circuit module figure in the embodiment of the present invention two；
Fig. 6 is the circuit diagram in the embodiment of the present invention two；
Power module schematic diagram when Fig. 7 in the embodiment of the present invention three.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
Embodiment one
Fig. 1 is a kind of circuit module figure for car air-conditioner detection circuit that the embodiment of the present invention one provides, the present embodiment vehicle
It include testing control module 1, first interface module 2, the first indicating lamp module 3, power module 4, second with detection of air-conditioning circuit
Interface module 5, the second indicating lamp module 6 and third indicating lamp module 7.Testing control module 1 is for exporting test control signal.
First interface module 2 is connected to control module, for test control signal to be transferred to the console of car air-conditioner.First instruction
Lamp module 3 is connected between control module and ground, is used to indicate the test control signal of control module output.Power module 4 is used
In output air-conditioning driving voltage.Second interface module 5 is connected to power module 4, in testing passing air-conditioning driving voltage
It is defeated by the power interface of car air-conditioner.Second indicating lamp module 6 is connected between power module 4 and second interface module 5, is used for
Indicate car air-conditioner test mode.Third indicating lamp module 7 is connected to second interface module, is used to indicate car air-conditioner work shape
State.
Referring to Fig.2, in the present embodiment, first interface module 2 is car air-conditioner wiring harness interface, makes operation of air conditioner situation can be with
It is directly viewed by a user by indicator light, user can judge each component operating condition of air-conditioning according to indicator light situation.Second connects
Mouth mold block 5 is bus executor wiring harness interface and/or recreational vehicle executor wiring harness interface, the control that user can be shown in Fig. 3
Control instruction is issued to air-conditioning on platform processed.
It is console schematic diagram in the present embodiment refering to Fig. 3, U1, U2 are chip executor, and L1-L13 is indicator light, K1-
K5 is switch control knob.
Refering to Fig. 4, in an embodiment, power module 4 includes three phase mains interface IN, the first rectifier diode group G1, the
Two rectifier diode group G2, first voltage converter Z1, second voltage converter Z2 and transformation output interface OUT1 and OUT2, it opens
Close K4 and switch K5.The input terminal of three phase mains interface IN connection the first rectifier diode group G1, the first rectifier diode group G1
Output end be separately connected the input terminal of first voltage converter Z1 and second voltage converter Z2, first voltage converter Z1 and
The output end of second voltage converter Z2 is connected to two transformation output interfaces OUT1, OUT2.Second rectifier diode group G2 connects
It connects between two transformation output interfaces OUT1, OUT2.Switch K4 is for controlling two poles of the rectification of three phase mains interface IN and first
The conduction and cut-off of pipe group G1 access between the two.Switch K5 is for controlling the first rectifier diode group G1 output end and the first electricity
Pressure converter Z1 and second voltage converter Z2 alternative one realize conducting.In the present embodiment, transformation output interface OUT1 is
The output head anode of DC power supply, transformation output interface OUT2 are the negative pole of output end (ground terminal) of DC power supply.
In the present embodiment, three phase mains interface IN is for connecting external three phase mains.First rectifier diode group G1 includes
Diode D11, diode D12, diode D13, diode D14, diode D15 and diode D16, the cathode of diode D12
Be connected with the anode of diode D11, the cathode of diode D14 is connected with the anode of diode D13, the cathode of diode D16 with
The anode of diode D15 is connected, and the anode of diode D11, diode D13 and diode D15 are as the first rectifier diode group
Three input terminals of G1, the cathode of diode D11, diode D13 and diode D15 are connected together as two pole of the first rectification
The cathode output end of pipe group G1, the anode of diode D12, diode D14 and diode D16 are connected together as the first rectification
The cathode output end of diode group G1, the first rectifier diode group G1 plays the role of rectification in the present embodiment, rectified
Voltage afterwards becomes 510V or so.
First voltage converter Z1 is the electric pressure converter of 3KW, and the direct current for the 510V after will be rectified is converted into
The direct current of 24V, the electrode input end of first voltage converter Z1 connect the first rectifier diode G1 cathode output end, the first electricity
The negative input of pressure converter Z1 connects the first rectifier diode G2 cathode output end.The anode of first voltage converter Z1 is defeated
Outlet is connected to transformation output interface OUT1, and the cathode output end of first voltage converter Z1 is connected to transformation output interface
OUT2。
Second voltage converter Z2 is the electric pressure converter of 1.5KW, the direct current conversion for the 510V after will be rectified
At the direct current of 12V.Electrode input end the first rectifier diode G1 cathode output end of connection of second voltage converter Z2, second
The negative input of electric pressure converter Z2 connects the first rectifier diode G2 cathode output end.The anode of second voltage converter Z2
Output end connects transformation output interface OUT1, and the cathode output end of second voltage converter Z2 connects transformation output interface OUT2.
Second rectifier diode group G2 includes diode D17, diode D18, diode D19, diode D20, diode
The anode of the cathode series diode D17 of D21 and diode D22, diode D18, it is defeated that the cathode of diode D17 is connected to transformation
Outgoing interface OUT1, the anode of diode D18 are connected to transformation output interface OUT2.The cathode series diode D19 of diode D20
Anode, the cathode of diode D19 is connected to transformation output interface OUT1, and the anode of diode D20 is connected to transformation output and connects
Mouth OUT2.The anode of the cathode series diode D21 of diode D22, the cathode of diode D21 are connected to transformation output interface
OUT1, the anode of diode D22 are connected to transformation output interface OUT2.Second rectifier diode group G2 is played in the present embodiment
The effect of stabilizing circuit and afterflow.
Switch K4 is start stop switch, controls the start and stop of power module 4.After switch K4 closure, contactor KM1 controls three-phase electricity
Source interface IN and the first rectifier diode group G1 are connected therebetween, the exchange of 380V be electrically accessed the first rectifier diode group G1 into
Row rectification.
Switch K5 is voltage change-over switch, and switch K5 closes at circuit conducting where first position makes contactor KM2 and supplies
When electric, contactor KM2 control the first rectifier diode group G1 cathode output end and first voltage converter Z1 electrode input end it
Between access conducting and between the first rectifier diode group G1 cathode output end and second voltage converter Z2 electrode input end
Access disconnects；When switch K5 closes at conducting power supply in circuit where the second position makes contactor KM3, contactor KM3 control the
Access conducting and first between one rectifier diode group G1 cathode output end and second voltage converter Z2 electrode input end is whole
The access flowed between diode group G1 cathode output end and first voltage converter Z1 electrode input end disconnects.
Testing control module 1 includes exporting the first chip U1 of test control signal based on the first vehicle models and being based on
Second chip U2 of the second vehicle models output test control signal.First vehicle models are sightseeing bus, the second vehicle models
For bus.
Referring to Fig.2, the first chip U1 is the tourism executor based on tourist automobile, for exporting tourism in the present embodiment
Air conditioning for automobiles test control signal controls tourist automobile in tourist automobile airconditioning control platform into tourist automobile airconditioning control platform again
Air-conditioning carries out dependence test.Second chip U2 is the public transport executor based on bus, for exporting bus air conditioner test control
Into bus air conditioner console, bus air conditioner console controls bus air conditioner again and carries out dependence test signal processed.
First indicating lamp module 3 includes indicator light L1, indicator light L2, indicator light L3, indicator light L4, indicator light L5, instruction
Lamp L6, indicator light L7, switch K1 and switch K2.
The one end indicator light L1 is connected on the 2nd port the first chip U1 or on the 2nd port the second chip U2, and indicator light L1 can
Two chips can also be connected simultaneously only to connect among the first chip U1 or the second chip U2 one, and the other end is connected to power supply
On the transformation output interface OUT2 of module 4.In the present embodiment, indicator light L1 is evaporation fan high speed indicator light, in testing and control
After module 1 issues the instruction that runs at high speed of evaporation fan, indicator light L1 bright light prompts user.
The one end indicator light L2 is connected on the 3rd port the first chip U1 or on the 3rd port the second chip U2, and indicator light L2 can
Two chips can also be connected simultaneously only to connect among the first chip U1 or the second chip U2 one, and the other end is connected to power supply
On the transformation output interface OUT2 of module 4.In the present embodiment, indicator light L2 is evaporation fan middling speed indicator light, in testing and control
After module 1 issues the middling speed operation instruction of evaporation fan, indicator light L2 bright light prompts user.
The one end indicator light L3 is connected on the 4th port the first chip U1 or on the 4th port the second chip U2, and indicator light L3 can
Two chips can also be connected simultaneously only to connect among the first chip U1 or the second chip U2 one, and the other end is connected to power supply
On the transformation output interface OUT2 of module 4.In the present embodiment, indicator light L3 is evaporation fan low speed indicator light, in testing and control
After module 1 issues the low-speed running instruction of evaporation fan, indicator light L3 bright light prompts user.
The one end indicator light L4 is connected on the 8th port the first chip U1 or on the 8th port the second chip U2, and indicator light L4 can
Two chips can also be connected simultaneously only to connect among the first chip U1 or the second chip U2 one, and the other end is connected to power supply
On the transformation output interface OUT2 of module 4.In the present embodiment, indicator light L4 is condensation fan high speed indicator light, in testing and control
After module 1 issues the instruction that runs at high speed of condensation fan, indicator light L4 bright light prompts user.
The one end indicator light L5 is connected on the 11st port the first chip U1, and the transformation that the other end is connected to power module 4 is defeated
On outgoing interface OUT2.In the present embodiment, indicator light L5 is condensation fan low speed indicator light, issues and condenses in testing control module 1
After the instruction of blower low-speed running, indicator light L5 bright light prompts user.
The one end indicator light L6 is connected on the 10th port the first chip U1 or on the 10th port the second chip U2, indicator light L6
Only one or two chips can be connected simultaneously among connection the first chip U1 or the second chip U2, the other end is connected to electricity
On the transformation output interface OUT2 of source module 4.In the present embodiment, indicator light L6 is fresh-air fan indicator light, in testing and control mould
After block 1 issues fresh-air fan operation instruction, indicator light L6 bright light prompts user.
The one end indicator light L7 is connected on the transformation output interface OUT1 of power module 4, and the other end is connected on switch K2.
Indicator light L7 is supply voltage indicator light, and when power module 4 provides 24V voltage, indicator light L7 does not work, and power module 4 provides 12V
When voltage, indicator light L7 bright light prompts user.
Switch K1 is connected between the 13rd port of testing control module 1 and the 4th port of first interface module 2C1.It opens
Pass K1 is condensation fan speed of service control switch, controls the condensation fan speed of service.
The one end switch K2 connects the C5 interface of first interface module 2, two in power module 4 of other end selective connection
One of transformation output interface OUT1, OUT2.Switch K2 is idle stop switch, for controlling vehicular engine idling start and stop.
Second indicating lamp module 6 includes indicator light L8 and indicator light L10, and the one end indicator light L8 is connected to power module 4
On transformation output interface OUT2, the other end is connected on the 1st port of C4 interface of second interface module 5.In the present embodiment, instruction
Lamp L8 is excitation indicator light, and in the case where testing automobile engine excited work, indicator light L8 bright light prompts user.
The one end indicator light L10 is connected to the 5th port of the C3 interface of second interface module 5, and the other end is selectively coupled to
One of two transformation output interfaces OUT1, OUT2 of power module 4.Indicator light L10 is idling indicator light, in test car engine
In the case where machine idling work, indicator light L10 bright light prompts user.
Third indicating lamp module 7 includes indicator light L9, indicator light L11 and switch K3, and the one end indicator light L9 is connected to second
On 1st port of the C3 interface of interface module 5, the other end is connected on the 2nd port of the C3 interface of second interface module 5.Refer to
Show that lamp L9 is 1 indicator light of refrigeration, in the case that test automobiles air-conditioning operates under 1 mode of freezing, indicator light L9 bright light.
The one end indicator light L11 is connected on the 2nd port of the C4 interface of second interface module 5, and the other end is connected to second
3rd port of the C4 interface of interface module 5.Indicator light L11 is 2 indicator lights of refrigeration, and test automobiles air-conditioning is in 2 modes of freezing
In the case where lower running, indicator light L11 bright light.
In the present embodiment, the cryogenic temperature of 2 modes of refrigeration is higher than 1 mode of refrigeration.
The one end switch K3 is connected on transformation the output interface output end OUT1 or output end OUT2 of power module, the other end
It is connected on the indicator light L10.Switch K3 is that idling current potential dress changes switch, controls the height electricity of vehicular engine idling work
Position switching.
A kind of car air-conditioner detection circuit provided in this embodiment solves in the prior art without for car air-conditioner
The technical issues of detection circuit, realizes the technical effect quickly tested for car air-conditioner.
Embodiment two
Fig. 5 is a kind of circuit module figure of car air-conditioner detection circuit provided by Embodiment 2 of the present invention, with embodiment one
In the difference is that, the present embodiment further comprise cut-off module 8, cut-off module 8 be connected to testing control module 1 with first finger
Show between lamp module 3, for preventing current reflux to testing control module 1.
Refering to Fig. 6, ending module 8 includes diode D1, diode D2, diode D3, diode D4, diode D5, two
Pole pipe D6, diode D7, diode D8, diode D9 and diode D10.Diode D1 anode is connected to the second chip U2 the 2nd
Port, cathode are connected on indicator light L1.Diode D2 anode is connected to the 2nd port the first chip U1, and cathode is connected to instruction
On lamp L1.Diode D3 anode is connected to the 3rd port the second chip U2, and cathode is connected on indicator light L2.Diode D4 anode
It is connected to the 3rd port the first chip U1, cathode is connected on indicator light L2.Diode D5 anode is connected to the second chip U2 the 4th
Port, cathode are connected on indicator light L3.Diode D6 anode is connected to the 4th port the first chip U1, and cathode is connected to instruction
On lamp L3.Diode D7 anode is connected to the 8th port the second chip U2, and cathode is connected on indicator light L4.Diode D8 anode
It is connected to the 8th port the first chip U1, cathode is connected on indicator light L4.Diode D9 anode is connected to the first chip U1 the 10th
Port, cathode are connected on indicator light L6.Diode D10 anode is connected to the 10th port the second chip U2, and cathode is connected to finger
Show on lamp L6.
In the present embodiment, end module 8 between testing control module 1 and the first indicating lamp module 3, car air-conditioner just
Often in the case where test, cut-off module 8 is used to end to flowing to 1 electric current of testing control module, protection public transport executor and
Tourism executor, which may not flow into high voltage, to be caused to damage.
A kind of car air-conditioner circuit provided in this embodiment, solving, which prevents high voltage from flowing back into control chip, causes to control
The problem of wafer damage, realizes the technical effect of circuit safety operation.
Embodiment three
Fig. 7 is a kind of 4 connection figure of power module for car air-conditioner detection circuit that the embodiment of the present invention three provides, with implementation
The difference is that, the present embodiment power module 4 further includes ammeter, voltmeter, indicator light L12 and indicator light L13 in example one.
Ammeter one end is connected to the cathode output end of first voltage converter, and the other end connects transformation output interface OUT1.Voltmeter
It is in parallel with the second rectifier diode group G2.Indicator light L12 is connected in parallel on the both ends contactor KM3, with the state of detector bar KM3；
Indicator light L13 is connected in parallel on the both ends contactor KM2, with the state of detector bar KM2.
In the present embodiment, for showing power circuit operating condition, user can pass through ammeter for voltmeter and ammeter
Circuit voltage is monitored with the display data of power supply pressure, when abnormal problem occurs in power module 4, user can lead to
Overvoltage table and the timely handling failure of ammeter registration.Indicator light L12 bright light after contactor KM3 closure, indicates current power
4 output voltage of module is 12V, and indicator light L13 bright light after contactor KM2 closure indicates that 4 output voltage of current power module is
24V。
A kind of car air-conditioner detection circuit provided in this embodiment solve be unable in circuit real-time detection Current Voltage and
The problem of reminding current test voltage realizes user for the effect of circuit real-time control.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (10)
1. a kind of car air-conditioner detection circuit characterized by comprising
Testing control module, for exporting test control signal；
First interface module is connected to the control module, for the test control signal to be transferred to the control of car air-conditioner
Platform processed；
First indicating lamp module is connected between the control module and ground, is used to indicate the test of the control module output
Control signal；
Power module, for exporting air-conditioning driving voltage；
Second interface module is connected to the power module, is transferred to the air-conditioning driving voltage in testing automobile-used
The power interface of air-conditioning；
Second indicating lamp module is connected between the power module and second interface module, is used to indicate car air-conditioner test
State；
Third indicating lamp module is connected to the second interface module, is used to indicate car air-conditioner working condition.
2. car air-conditioner detection circuit according to claim 1, which is characterized in that the power module includes three-phase electricity
Source interface, the first rectifier diode group, the second rectifier diode group, first voltage converter, second voltage converter, transformation are defeated
Outgoing interface, switch K4 and switch K5；The three phase mains interface connects the input terminal of the first rectifier diode group, and described
The output end of one rectifier diode group is separately connected the input terminal of the first voltage converter and the second voltage converter,
The first voltage converter connects the output head anode of transformation output interface and defeated with the second voltage converter output end
Outlet cathode, the second rectifier diode group connect the transformation output interface output head anode and negative pole of output end it
Between, the switch K4 is used to control the three phase mains interface and connects conduction and cut-off between the first rectifier diode group；
The switch K5 is for controlling the first rectifier diode group output end and the first voltage converter and described second
Electric pressure converter alternative one realizes conducting.
3. car air-conditioner detection circuit according to claim 2, which is characterized in that the power module further includes electric current
Table, voltmeter, indicator light L12 and indicator light L13；The anode that described ammeter one end is connected to the first voltage converter is defeated
In outlet, the other end connects transformation output interface output head anode；The voltmeter is in parallel with the second rectifier diode group；
The indicator light L12 is connected in parallel on the both ends contactor KM3；The indicator light L13 is connected in parallel on the both ends contactor KM2.
4. car air-conditioner detection circuit according to claim 1, which is characterized in that the testing control module includes base
Test control signal is exported in the first chip of the first vehicle models output test control signal and based on the second vehicle models
The second chip.
5. car air-conditioner detection circuit according to claim 1, which is characterized in that first vehicle models are tourism
Car, second vehicle models are bus.
6. car air-conditioner detection circuit according to claim 1, which is characterized in that first indicating lamp module includes
Indicator light L1, indicator light L2, indicator light L3, indicator light L4, indicator light L5, indicator light L6, indicator light L7, switch K1 and switch
The one end K2, the indicator light L1 is connected on the 2nd port of the first chip or on the 2nd port of the second chip, other end connection
Onto the negative pole of output end of the transformation output interface of the power module；The one end the indicator light L2 is connected to first chip
On 3rd port or on the 3rd port of the second chip, the output end that the other end is connected to the transformation output interface of the power module is negative
On extremely；The one end the indicator light L3 is connected on the 4th port of the first chip or on the 4th port the second chip U2, the other end
It is connected on the negative pole of output end of transformation output interface of the power module；The one end the indicator light L4 is connected to described first
On the 8th port of chip or on the 8th port of the second chip, the other end is connected to the output of the transformation output interface of the power module
It holds on cathode；The one end the indicator light L5 is connected on the 11st port of the first chip, and the other end is connected to the power supply mould
On the negative pole of output end of the transformation output interface of block；The one end the indicator light L6 be connected on the 10th port of the first chip or
On the 10th port of second chip, the other end is connected on the negative pole of output end of transformation output interface of the power module；It is described
The one end indicator light L7 is connected on the output head anode of transformation output interface of the power module, and the other end is connected to switch K2
On；The switch K1 is connected between the testing control module and the first interface module C1；The one end the switch K2 connects
The first interface module is connect, the other end is connected to the output head anode or output end of the transformation output interface of the power module
On cathode.
7. car air-conditioner detection circuit according to claim 1, which is characterized in that second indicating lamp module includes
Indicator light L8 and the one end indicator light L10, the indicator light L8 are connected to the output end of the transformation output interface of the power module
On cathode, the other end is connected on the 1st port second interface module C4；The one end the indicator light L10 is connected to described
The 5th port two interface module C3, the other end are connected to output head anode or the output of the transformation output interface of the power module
It holds on cathode.
8. car air-conditioner detection circuit according to claim 1, which is characterized in that the third indicating lamp module includes
Indicator light L9, indicator light L11 and the one end switch K3, the indicator light L9 are connected on the 1st port second interface module C3,
The other end is connected on the 2nd port second interface module C3；The one end the indicator light L11 is connected to the second interface mould
On the 2nd port block C4, the other end is connected on the 3rd port second interface module C4；The one end the switch K3 is connected to institute
On the output head anode or negative pole of output end for stating the transformation output interface of power module, the other end is connected to the indicator light L10
On.
9. car air-conditioner detection circuit according to claim 1, which is characterized in that it further include ending module, described section
Only module is connected between the testing control module and first indicating lamp module, for preventing current reflux to the survey
Try control module.
10. car air-conditioner detection circuit according to claim 9, which is characterized in that the cut-off module includes two poles
Pipe D1, diode D2, diode D3, diode D4, diode D5, diode D6, diode D7, diode D8, diode D9,
Diode D10；The diode D1 anode is connected to the 2nd port of the second chip, and cathode is connected on the indicator light L1；
The diode D2 anode is connected to the 2nd port of the first chip, and cathode is connected on the indicator light L1；The diode
D3 anode is connected to the 3rd port of the second chip, and cathode is connected on the indicator light L2；The diode D4 anode connection
To the 3rd port of the first chip, cathode is connected on the indicator light L2；The diode D5 anode is connected to described second
The 4th port of chip, cathode are connected on the indicator light L3；The diode D6 anode is connected to the 4th end of the first chip
Mouthful, cathode is connected on the indicator light L3；The diode D7 anode is connected to the 8th port of the second chip, and cathode connects
It is connected on the indicator light L4；The diode D8 anode is connected to the 8th port of the first chip, and cathode is connected to the finger
Show on lamp L4；The diode D9 anode is connected to the 10th port of the first chip, and cathode is connected on the indicator light L6；
The diode D10 anode is connected to the 10th port of the second chip, and cathode is connected on the indicator light L6.
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| CN201910498594.6A CN110203034B (en) | 2019-06-10 | 2019-06-10 | Air conditioner detection circuit for vehicle |
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| CN201910498594.6A CN110203034B (en) | 2019-06-10 | 2019-06-10 | Air conditioner detection circuit for vehicle |
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Effective date of registration: 20221125 Address after: No.17-29 Lianshang Road, Guannan Industrial Zone, Jimei District, Xiamen City, Fujian Province 361023 Applicant after: XIAMEN SONGZHI AUTOMOBILE AIR CONDITIONER Co.,Ltd. Address before: 201108 Shanghai Huaning Minhang District Industrial Zone Xhenzhuang Road No. 4999 Applicant before: SONGZ AUTOMOBILE AIR CONDITIONING Co.,Ltd. |
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