CN205665582U - Artificial load box with disconnection detects function - Google Patents
Artificial load box with disconnection detects function Download PDFInfo
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- CN205665582U CN205665582U CN201620441337.0U CN201620441337U CN205665582U CN 205665582 U CN205665582 U CN 205665582U CN 201620441337 U CN201620441337 U CN 201620441337U CN 205665582 U CN205665582 U CN 205665582U
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Abstract
The utility model discloses an artificial load box with disconnection detects function, the on -vehicle air conditioner that has aimed at overcoming development debugging in -process need many, the confusing problem of working a telephone switchboard of instrument, and artificial load box with disconnection detects function is including the JA of input port group including display part, control section, artificial load part, signal, the output port JB of group and the short -circuit test block group K of signal, control section is the singlechip, short -circuit test block group K adopts a set of structure the same all by two banana jack and the part that short circuit banana plug constitutes, the artificial load part is including the artificial load end X of each signal, control section's AD port is connected with the artificial load end X of artificial load part, the display part passes through the SPI port with control section and the IO port is connected, the JA of input port group of signal and short -circuit test block group K's one end connection of electric lines, the X connection of electric lines is held with the artificial load of the output port of the signal JB of group and each signal to short -circuit test block group K's the other end.
Description
Technical field
This utility model relates to a kind of on-board air conditioner controller detection device, more precisely, this utility model relates to one
Plant the fictitious load box with disconnection detection function.
Background technology
On-board air conditioner is the central module of regulation environment inside car, and its comfortableness driving vehicle has particularly significant shadow
Ring.Function as on-board air conditioner controls end on-board air conditioner controller, has completed decision for on-board air conditioner function
The effect of property.Along with controlling electrified arrival, electronic or automatic air condition becomes increasingly main flow.Exploitation at electric air-conditioning
During to have two kinds of instruments be the most necessary, it is fictitious load box (Loadbox) that one is off detecting box (BOB) one.
BOB is used to disconnect or connect the instrument between controller and load selectively, and additionally all of signal is also drawn by it
Become the test point being easier to measure.And Loadbox is as replacement opening at on-board air conditioner controller of air-conditioner host
Also it is indispensable during Faing, because main frame volume big wiring trouble is unlikely as only detecting the load of function, separately
If the air-conditioner host of outer different vehicle one on-board air conditioner controller of different often exploitation is accomplished by a main frame, this is in economy
For on the most inappropriate.The two instrument uses very frequent on stream, and they are past during debugging
Toward using simultaneously, seeing Fig. 1, this accounts for the space of workbench the most very much, and wiring is confusing.This utility model aims to solve the problem that this problem.
Summary of the invention
Technical problem to be solved in the utility model be overcome on-board air conditioner exploitation debugging during need instrument many,
The problem that wiring is confusing, this utility model provides one and will be switched off detecting box (BOB) and fictitious load box (Loadbox) function
The fictitious load box with disconnection detection function organically combined.
For solving above-mentioned technical problem, this utility model adopts the following technical scheme that realization:
The described fictitious load box with disconnection detection function includes and includes that display part, control part, simulation are born
Carry part, input port group JA of signal, output port group JB of signal and short-circuit test block group K；
Described control part is single-chip microcomputer；Short-circuit test block group K use one group of structure identical all by two banana plugs
Seat and the parts of a short-circuit banana plug composition；Fictitious load part includes the fictitious load end X of each signal；
The AD port controlling part is connected with fictitious load part；Display part passes through SPI port and IO with controlling part
Port connects；Input port group JA of signal is connected with one end electric wire of short-circuit test block group K, another of short-circuit test block group K
End is connected with output port group JB of signal and the fictitious load end X electric wire of each signal.
Input port group JA of the signal described in technical scheme is connected with one end electric wire of short-circuit test block group K and refers to:
Input port group JA of described signal includes air quantity feedback signal input terminal J1A, Boiler pressure control signal input part
J2A, compressor control signal input J3A, rear defrosting control signal input J4A, background light control signal input J5A,
Ignition control signal input J6A, power supply positive input terminal J7A, reference ground input J8A, evaporator temperature signal input part
J9A, 5V reference voltage input terminal J10A, mode feedback signal input J11A, pattern motor drive positive input terminal J12A, pattern
Motor drives negative input end J13A, changes in temperature feedback signal input terminal J14A, changes in temperature motor to drive positive input terminal J15A, changes in temperature motor
Negative input end J16A, circulation motor feedback signal input terminal J17A, circulation motor is driven to drive positive input terminal J18A and circulation electricity
Machine drives negative input end J19A；
Described short-circuit test block group K includes that air quantity feedback signal short-circuit test block K1, Boiler pressure control signal shorts are tested
Block K2, compressor control signal short-circuit test block K3, rear defrosting control signal short-circuit test block K4, the short circuit of background light control signal
Test block K5, ignition control signal short-circuit test block K6, power supply positive short-circuit test block K7, reference ground short circuit test block K8, evaporation
Device temperature signal short-circuit test block K9,5V reference voltage short-circuit test block K10, mode feedback signal short-circuit test block K11, pattern
Motor drives positive short-circuit test block K12, pattern motor to drive negative short-circuit test block K13, changes in temperature feedback signal short-circuit test block
K14, changes in temperature motor drive positive short-circuit test block K15, changes in temperature motor to drive negative short-circuit test block K16, circulation feedback signal short circuit
Test block K17, circulation motor drive positive short-circuit test block K18 and circulation motor to drive negative short-circuit test block K19；
One of them banana plug of described air quantity feedback signal input terminal J1A and air quantity feedback signal short-circuit test block K1
Seat is connected；Boiler pressure control signal input part J2A is connected with one of them banana bin of Boiler pressure control signal shorts test block K2；
Compressor control signal input J3A is connected with one of them banana bin of compressor control signal short-circuit test block K3；After
One of them banana bin of defrosting control signal input J4A and rear defrosting control signal short-circuit test block K4 is connected；Background
Lamp control signal input J5A is connected with one of them banana bin of background light control signal short-circuit test block K5；Point fire control
Signal input part J6A processed is connected with one of them banana bin of ignition control signal short-circuit test block K6；Power supply positive input terminal
One of them banana bin of J7A short-circuit test positive with power supply block K7 is connected；Test with reference to ground short circuit with reference to ground input J8A
One of them banana bin of block K8 is connected；Evaporator temperature signal input part J9A and evaporator temperature signal shorts test block
One of them banana bin of K9 is connected；5V reference voltage input terminal J10A and 5V reference voltage short-circuit test block K10 is wherein
One banana bin is connected；One of them of mode feedback signal input J11A and mode feedback signal short-circuit test block K11
Banana bin is connected；Pattern motor drives positive input terminal J12A to drive one of them of positive short-circuit test block K12 with pattern motor
Banana bin is connected；Pattern motor drives negative input end J13A and pattern motor to drive one of them bearing short-circuit test block K13
Banana bin is connected；One of them Fructus Musae of changes in temperature feedback signal input terminal J14A and changes in temperature feedback signal short-circuit test block K14
Socket is connected；Changes in temperature motor drives positive input terminal J15A to drive one of them Fructus Musae of positive short-circuit test block K15 with changes in temperature motor
Socket is connected；Changes in temperature motor drives negative input end J16A and changes in temperature motor to drive one of them Fructus Musae of negative short-circuit test block K16
Socket is connected；One of them banana bin of circulation feedback signal input terminal J17A and circulation feedback signal short-circuit test block K17
It is connected；Circulation motor drives positive input terminal J18A to drive one of them banana bin of positive short-circuit test block K18 with circulation motor
It is connected；Circulation motor drives negative input end J19A and circulation motor to drive one of them banana bin of negative short-circuit test block K19
It is connected.
The other end of short-circuit test block group K described in technical scheme and output port group JB of signal and the mould of each signal
Intend the connection of load end X electric wire to refer to:
The fictitious load end X of the described each signal in fictitious load part includes air quantity feedback signal fictitious load end
X1, Boiler pressure control signal imitation load end X2, compressor control signal fictitious load end X3, rear defrosting control signal fictitious load
End X4, background light control signal fictitious load end X5, ignition control signal fictitious load end X6, power supply just simulating load end X7,
Reference simulation load end X8, evaporator temperature signal imitation load end X9,5V reference voltage fictitious load end X10, pattern are anti-
Feedback signal fictitious load end X11, pattern motor drive and just simulating load end X12, pattern motor drives negative analog load end X13,
Changes in temperature feedback signal fictitious load end X14, changes in temperature motor drive and are just simulating load end X15, changes in temperature motor drives negative analog load
End X16, circulation feedback signal fictitious load end X17, circulation motor drive just is simulating load end X18 and circulation motor driving negative norm
Intend load end X19；
Another banana bin of air quantity feedback signal short-circuit test block K1 both with air quantity feedback signal output J1B electric wire
Connect, be connected with air quantity feedback signal fictitious load end X1 electric wire again；Another of Boiler pressure control signal shorts test block K2 is fragrant
Any of several broadleaf plants socket was both connected with Boiler pressure control signal output part J2B electric wire, was connected with Boiler pressure control signal imitation load end X2 electric wire again；
Another banana bin of compressor control signal short-circuit test block K3 both connected with compressor control signal outfan J3B electric wire
Connect, be connected with compressor control signal fictitious load end X3 electric wire again；Another of rear defrosting control signal short-circuit test block K4
Banana bin was both connected with rear defrosting control signal outfan J4B electric wire, again with rear defrosting control signal fictitious load end X4 electricity
Line connects；Another banana bin of background light control signal short-circuit test block K5 both with background light control signal outfan J5B
Electric wire connects, and is connected with background light control signal fictitious load end X5 electric wire again；Ignition control signal short-circuit test block K6's is another
One banana bin was both connected with ignition control signal outfan J6B electric wire, again with ignition control signal fictitious load end X6 electricity
Line connects；Another banana bin of power supply positive short-circuit test block K7 was both connected, again with power supply with power supply positive output end J7B electric wire
Just simulating load end X7 electric wire to connect；With reference to ground short circuit test block K8 another banana bin both with reference to ground outfan J8B
Electric wire connects, and is connected with reference to simulation load end X8 electric wire again；Another of evaporator temperature signal shorts test block K9 is fragrant
Any of several broadleaf plants socket was both connected with evaporator temperature signal output part J9B electric wire, again with evaporator temperature signal imitation load end X9 electric wire
Connect；Another banana bin of 5V reference voltage short-circuit test block K10 was both connected with 5V reference voltage output terminal J10B electric wire,
It is connected with 5V reference voltage fictitious load end X10 electric wire again；Another banana bin of mode feedback signal short-circuit test block K11
Both it was connected with mode feedback signal outfan J11B electric wire, was connected with mode feedback signal fictitious load end X11 electric wire again；Pattern
Motor drives another banana bin of positive short-circuit test block K12 both to drive positive output end J12B electric wire to be connected with pattern motor,
Just simulating load end X12 electric wire with the driving of pattern motor again to be connected；Pattern motor drives another perfume of negative short-circuit test block K13
Any of several broadleaf plants socket both drove negative output terminal J13B electric wire to be connected with pattern motor, drove again negative analog load end X13 electricity with pattern motor
Line connects；Another banana bin of changes in temperature feedback signal short-circuit test block K14 is both electric with changes in temperature feedback signal output J14B
Line connects, and is connected with changes in temperature feedback signal fictitious load end X14 electric wire again；The changes in temperature motor positive short-circuit test block K15's of driving is another
One banana bin both drove positive output end J15B electric wire to be connected with changes in temperature motor, drives with changes in temperature motor again and is just simulating load end
X15 electric wire connects；Changes in temperature motor drives another banana bin of negative short-circuit test block K16 both to drive negative output with changes in temperature motor
End J16B electric wire connects, and drives negative analog load end X16 electric wire to be connected with changes in temperature motor again；Circulation feedback signal short-circuit test block
Another banana bin of K17 was both connected with circulation feedback signal output J17B electric wire, negative with circulation feedback signal simulation again
Carry end X17 electric wire to connect；Circulation motor drives another banana bin of positive short-circuit test block K18 both just driving with circulation motor
Outfan J18B electric wire connects, and is just simulating load end X18 with circulation motor driving again and is being connected；Circulation motor drives negative short-circuit test
Another banana bin of block K19 both drove negative output terminal J19B electric wire to be connected with circulation motor, drove again negative with circulation motor
Fictitious load end X19 electric wire connects.
Fictitious load part described in technical scheme also includes air quantity display lamp L1, compressor display lamp L2, defrosts afterwards
Display lamp L3, power supply indicator L4, background signal controlled switch S1, ignition control switch S2, on and off switch S3, Boiler pressure control crystal
Pipe Q1, compressor control relay R L1, rear defrosting control relay R L2, vaporizer simulation potentiometer RV1, power transfer module
U1, pattern motor M1, changes in temperature motor M2, circulation motor M3, resistance R1 to resistance R12；
Described air quantity feedback signal fictitious load end X1 is by the one of a resistance R8 and described air quantity display lamp L1
End is connected, and the other end of air quantity display lamp L1 is connected to power supply through on and off switch S3 and is just simulating load end X7, and air quantity feeds back
Signal imitation load end X1 is through resistance R7 and resistance R6 ground connection；
Described Boiler pressure control signal imitation load end X2 is connected to the control of Boiler pressure control transistor Q1 by resistance R5
End, the colelctor electrode of Boiler pressure control transistor Q1 is connected to one end of air quantity display lamp L1, Boiler pressure control transistor by resistance R8
The grounded emitter of Q1；
Described compressor control signal fictitious load end X3 is connected to the control coil of compressor control relay R L1
On one end, the other end ground connection of the control coil of compressor control relay R L1, the compression of compressor control relay R L1
Machine control relay common port C1 is connected on power supply by and off switch S3 and is just simulating on load end X7, compressor control relay
The compressor control relay normally open contact B1 of RL1 has been connected on one end of compressor display lamp L2 by resistance R2, simultaneously with
Resistance R2 branch circuit parallel connection resistance R3 and resistance R4, resistance R4 is directly grounded；
Described rear defrosting control signal fictitious load end X4 controls one end of the control coil of relay R L2 with rear defrosting
Being connected, the other end of the control coil that rear defrosting controls relay R L2 is connected on power supply by and off switch S3 and is just simulating negative
Carrying on end X7, rear defrosting controls the rear defrosting of relay R L2 and controls relay common port C2 ground connection, and rear defrosting controls relay
The rear defrosting of RL2 is controlled relay normally open contact B2 and is connected by one end of resistance R1 with rear defrosting display lamp L3, defrosts afterwards
The other end of display lamp L3 is connected on power supply by and off switch S3 and is just simulating on load end X7；
Described background light control signal fictitious load end X5 passes sequentially through background signal controlled switch S1 and on and off switch S3
Just simulating load end X7 with described power supply to be connected；
Described ignition control signal fictitious load end X6 is by ignition control switch S2 and on and off switch S3 and power supply just
Fictitious load end X7 is connected；
The input of described power transfer module U1 connects power supply and is just simulating load end X7；
Described power supply is just being simulated load end X7 and is being connected with reference to simulation load end X8 by power supply indicator L4；And
And with reference to simulation load end X8 ground connection；
Described evaporator temperature signal imitation load end X9 simulates potentiometer RV1 ground connection by vaporizer；
Described 5V reference voltage fictitious load end X10 and pattern motor position sensor are powered positive terminals, changes in temperature electricity
Seat in the plane is put the positive terminals of sensor power positive terminals of powering with circulation motor position sensor and is connected；Pattern motor position passes
Power negative terminals, changes in temperature motor position sensor of sensor powers negative terminals and circulation motor position sensor is powered negative wiring
End ground connection；Pattern motor feedback signals terminals are connected with described mode feedback signal fictitious load end X11, and are connected to
Control on part AD port；Changes in temperature motor feedback signals terminals are connected with described changes in temperature feedback signal fictitious load end X14
Connect, and be connected to control on part AD port；Circulation motor feedback signal terminals are simulated with described circulation feedback signal
Load end X17 is connected, and is connected to control on part AD port；Described pattern motor drives and is just simulating load end X12
Directly positive terminals are driven to be connected with pattern motor；Load end X15 is just being simulated in described changes in temperature motor driving, and directly and changes in temperature are electric
Machine drives positive terminals to be connected；Load end X18 is just being simulated in described circulation motor driving, and directly and circulation motor drives positive wiring
End is connected；Described pattern motor drives negative analog load end X13 directly to drive negative terminals to be connected with pattern motor；Described
Changes in temperature motor drives negative analog load end X16 directly to drive negative terminals to be connected with changes in temperature motor；Described circulation motor drives
Negative analog load end X19 directly drives negative terminals to be connected with circulation motor；Described circulation motor drives and is just simulating load end
X18 passes through resistance R11 and resistance R12 ground connection；Node between resistance R11 and resistance R12 is connected with controlling part AD port；Institute
The circulation motor stated drives negative analog load end X19 to pass through resistance R9 and resistance R10 ground connection, between resistance R9 and resistance R10
Node is connected with controlling part AD port.
Compared with prior art the beneficial effects of the utility model are:
Fictitious load box with disconnection detection function the most described in the utility model reduces in on-board air conditioner test process
Testing appliance, simplify test process；
Fictitious load box with disconnection detection function the most described in the utility model need not complicated wiring process, carries
The high efficiency of test, reduces test process and wiring error occurs and the probability that causes tested object to damage；
Fictitious load box testing appliance with disconnection detection function the most described in the utility model takes up room little, saves
Work space, going out, it is easy to carry to debug.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings this utility model is further described:
Fig. 1 is that process conventional link figure debugged by on-board air conditioner controller；
Fig. 2 is that the fictitious load box structure with disconnection detection function described in the utility model forms schematic diagram；
Fig. 3 is simulation loading section structure group in the fictitious load box with disconnection detection function described in the utility model
Become schematic diagram；
Fig. 4 is the short-circuit test agllutination used in the fictitious load box with disconnection detection function described in the utility model
Structure composition schematic diagram；
Fig. 5 is the fictitious load box with disconnection detection function described in the utility model schematic diagram when measuring voltage；
Fig. 6 is the fictitious load box with disconnection detection function described in the utility model schematic diagram when measuring electric current；
Fig. 7 is that the fictitious load box with disconnection detection function described in the utility model is when fictitious load box uses
Schematic diagram；
Fig. 8 is that the fictitious load box with disconnection detection function described in the utility model is when disconnection detection box uses
Schematic diagram.
In figure: J1A. air quantity feedback signal input terminal, J1B. air quantity feedback signal output, J2A. Boiler pressure control signal is defeated
Entering end, J2B. Boiler pressure control signal output part, J3A. compressor control signal input, J3B. compressor control signal exports
End, defrost after J4A. control signal input, and defrost after J4B. control signal outfan, and J5A. background light control signal inputs
End, J5B. background light control signal outfan, J6A. ignition control signal input, J6B. ignition control signal outfan,
J7A. power supply positive input terminal, J7B. power supply positive output end, J8A. evaporates with reference to ground outfan, J9A. with reference to ground input, J8B.
Device temperature signal input, J9B. evaporator temperature signal output part, J10A.5V reference voltage input terminal, J10B.5V is with reference to electricity
Pressure outfan, J11A. mode feedback signal input, J11B. mode feedback signal outfan, J12A. pattern motor is just driving
Input, J12B. pattern motor drives positive output end, and J13A. pattern motor drives negative input end, and J13B. pattern motor drives
Negative output terminal, J14A. changes in temperature feedback signal input terminal, J14B. changes in temperature feedback signal output, J15A. changes in temperature motor is just driving
Input, J15B. changes in temperature motor drives positive output end, and J16A. changes in temperature motor drives negative input end, and J16B. changes in temperature motor drives
Negative output terminal, J17A. circulates feedback signal input terminal, and J17B. circulates feedback signal output, and J18A. circulation motor is just driving
Input, J18B. circulation motor drives positive output end, and J19A. circulation motor drives negative input end, and J19B. circulation motor drives
Negative output terminal, K1. air quantity feedback signal short-circuit test block, K2. Boiler pressure control signal shorts test block, K3. compressor control is believed
Number short-circuit test block, defrost after K4. control signal short-circuit test block, K5. background light control signal short-circuit test block, and K6. lights a fire
Control signal short-circuit test block, K7. power supply positive short-circuit test block, K8. is with reference to ground short circuit test block, K9. evaporator temperature signal
Short-circuit test block, K10.5V reference voltage short-circuit test block, K11. mode feedback signal short-circuit test block, K12. pattern motor drives
Dynamic positive short-circuit test block, K13. pattern motor drives negative short-circuit test block, and K14. changes in temperature feedback signal short-circuit test block, K15. is cold
Warm motor drives positive short-circuit test block, and K16. changes in temperature motor drives negative short-circuit test block, and K17. circulates feedback signal short-circuit test
Block, K18. circulation motor drives positive short-circuit test block, and K19. circulation motor drives negative short-circuit test block, X1. air quantity feedback signal
Fictitious load end, X2. Boiler pressure control signal imitation load end, X3. compressor control signal fictitious load end, defrosting control after X4.
Signal imitation load end processed, X5. background light control signal fictitious load end, X6. ignition control signal fictitious load end, X7. electricity
Load end is just being simulated in source, and X8. is with reference to simulation load end, X9. evaporator temperature signal imitation load end, X10.5V reference voltage
Fictitious load end, X11. mode feedback signal fictitious load end, X12. pattern motor drives just is simulating load end, X13. pattern electricity
Machine drives negative analog load end, X14. changes in temperature feedback signal fictitious load end, and X15. changes in temperature motor drives and just simulating load end,
X16. changes in temperature motor drives negative analog load end, and X17. circulates feedback signal fictitious load end, and X18. circulation motor drives holotype
Plan load end, X19. circulation motor driving negative analog load end, Q1. Boiler pressure control transistor, RL1. compressor control relay,
Defrosting controls relay, S1. background signal controlled switch, S2. ignition control switch, S3. on and off switch, RV1. vaporizer the most afterwards
Simulation potentiometer, A1. compressor control relay normally-closed contact, B1. compressor control relay normally open contact, U1. power supply turns
Die change block, L1. air quantity display lamp, L2. compressor display lamp, defrost after L3. display lamp, L4. power supply indicator, C1. compressor
Controlling relay common port, after A2., defrosting controls relay normally-closed contact, and after B2., defrosting controls relay normally open contact, C2.
Rear defrosting controls relay common port, M1. pattern motor, M2. changes in temperature motor, M3. circulation motor.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is explained in detail:
Refering to Fig. 2, the fictitious load box with disconnection detection function described in the utility model includes display part, control
Partly, fictitious load part, input port group JA of signal, output port group JB of signal and be positioned at input port group and output
Short-circuit test block group K between port set.
The display part that this utility model uses is divided into the combined displays that multidigit nixie tube and LED etc. form；Fictitious load
Part is the circuit board of designed, designed, and input port group JA of signal and signal output port group JB are plug-in type connection terminal,
Short-circuit test block group K uses the parts being all made up of that one group of structure is identical two banana bins and a short-circuit banana plug,
The fictitious load end X of each signal in fictitious load part uses piano type toggle switch.
Described control part is single-chip microcomputer, and described fictitious load part is connected with the described AD port controlling part
And give control part power supply；
Described display part is divided into the combination of multidigit nixie tube and LED, display part to pass through SPI with described control part
Port and I/O port connect；
One of them banana plug of described air quantity feedback signal input terminal J1A and air quantity feedback signal short-circuit test block K1
Seat be connected, another banana bin of air quantity feedback signal short-circuit test block K1 both with air quantity feedback signal output J1B electric wire
Connect, be connected with air quantity feedback signal fictitious load end X1 electric wire again；
One of them banana plug of described Boiler pressure control signal input part J2A and Boiler pressure control signal shorts test block K2
Seat be connected, another banana bin of Boiler pressure control signal shorts test block K2 both with Boiler pressure control signal output part J2B electric wire
Connect, be connected with Boiler pressure control signal imitation load end X2 electric wire again；
One of them of described compressor control signal input J3A and compressor control signal short-circuit test block K3 is fragrant
Any of several broadleaf plants socket be connected, another banana bin of compressor control signal short-circuit test block K3 both with compressor control signal outfan
J3B electric wire connects, and is connected with compressor control signal fictitious load end X3 electric wire again；
One of them of described rear defrosting control signal input J4A and rear defrosting control signal short-circuit test block K4 is fragrant
Any of several broadleaf plants socket is connected, another banana bin of rear defrosting control signal short-circuit test block K4 both with rear defrosting control signal outfan
J4B electric wire connects, and is connected with rear defrosting control signal fictitious load end X4 electric wire again；
One of them of described background light control signal input J5A and background light control signal short-circuit test block K5 is fragrant
Any of several broadleaf plants socket be connected, another banana bin of background light control signal short-circuit test block K5 both with background light control signal outfan
J5B electric wire connects, and is connected with background light control signal fictitious load end X5 electric wire again；
One of them banana plug of described ignition control signal input J6A and ignition control signal short-circuit test block K6
Seat be connected, another banana bin of ignition control signal short-circuit test block K6 both with ignition control signal outfan J6B electric wire
Connect, be connected with ignition control signal fictitious load end X6 electric wire again；
One of them banana bin of described power supply positive input terminal J7A short-circuit test positive with power supply block K7 is connected, power supply
Another banana bin of positive short-circuit test block K7 was both connected with power supply positive output end J7B electric wire, fictitious load positive with power supply again
End X7 electric wire connects；
Described reference ground input J8A is connected with one of them banana bin with reference to ground short circuit test block K8, reference
Another banana bin of ground short circuit test block K8 was both connected with reference to ground outfan J8B electric wire, loaded with reference to simulation again
End X8 electric wire connects；
One of them of described evaporator temperature signal input part J9A and evaporator temperature signal shorts test block K9 is fragrant
Any of several broadleaf plants socket be connected, another banana bin of evaporator temperature signal shorts test block K9 both with evaporator temperature signal output part
J9B electric wire connects, and is connected with evaporator temperature signal imitation load end X9 electric wire again；
One of them banana bin of described 5V reference voltage input terminal J10A and 5V reference voltage short-circuit test block K10
Being connected, another banana bin of 5V reference voltage short-circuit test block K10 was both connected with 5V reference voltage output terminal J10B electric wire,
It is connected with 5V reference voltage fictitious load end X10 electric wire again；
One of them Fructus Musae of described mode feedback signal input J11A and mode feedback signal short-circuit test block K11
Socket be connected, another banana bin of mode feedback signal short-circuit test block K11 both with mode feedback signal outfan J11B
Electric wire connects, and is connected with mode feedback signal fictitious load end X11 electric wire again；
Described pattern motor drives positive input terminal J12A to drive one of them of positive short-circuit test block K12 with pattern motor
Banana bin is connected, and pattern motor drives another banana bin of positive short-circuit test block K12 both to drive the most defeated with pattern motor
Go out to hold J12B electric wire to connect, just simulating load end X12 electric wire with the driving of pattern motor again and be connected；
Described pattern motor drives negative input end J13A and pattern motor to drive one of them bearing short-circuit test block K13
Banana bin is connected, and pattern motor drives another banana bin of negative short-circuit test block K13 both to drive negative defeated with pattern motor
Go out to hold J13B electric wire to connect, drive negative analog load end X13 electric wire to be connected with pattern motor again；
One of them Fructus Musae of described changes in temperature feedback signal input terminal J14A and changes in temperature feedback signal short-circuit test block K14
Socket be connected, another banana bin of changes in temperature feedback signal short-circuit test block K14 both with changes in temperature feedback signal output J14B
Electric wire connects, and is connected with changes in temperature feedback signal fictitious load end X14 electric wire again；
Described changes in temperature motor drives positive input terminal J15A to drive one of them of positive short-circuit test block K15 with changes in temperature motor
Banana bin is connected, and changes in temperature motor drives another banana bin of positive short-circuit test block K15 both to drive the most defeated with changes in temperature motor
Go out to hold J15B electric wire to connect, just simulating load end X15 electric wire with the driving of changes in temperature motor again and be connected；
Described changes in temperature motor drives negative input end J16A and changes in temperature motor to drive one of them bearing short-circuit test block K16
Banana bin is connected, and changes in temperature motor drives another banana bin of negative short-circuit test block K16 both to drive negative defeated with changes in temperature motor
Go out to hold J16B electric wire to connect, drive negative analog load end X16 electric wire to be connected with changes in temperature motor again；
One of them Fructus Musae of described circulation feedback signal input terminal J17A and circulation feedback signal short-circuit test block K17
Socket be connected, circulation feedback signal short-circuit test block K17 another banana bin both with circulation feedback signal output J17B
Electric wire connects, and is connected with circulation feedback signal fictitious load end X17 electric wire again；
Described circulation motor drives positive input terminal J18A to drive one of them of positive short-circuit test block K18 with circulation motor
Banana bin is connected, and circulation motor drives another banana bin of positive short-circuit test block K18 both to drive the most defeated with circulation motor
Go out to hold J18B electric wire to connect, just simulating load end X18 with circulation motor driving again and be connected；
Described circulation motor drives negative input end J19A and circulation motor to drive one of them bearing short-circuit test block K19
Banana bin is connected, and circulation motor drives another banana bin of negative short-circuit test block K19 both to drive negative defeated with circulation motor
Go out to hold J19B electric wire to connect, drive negative analog load end X19 electric wire to be connected with circulation motor again.
Refering to Fig. 3, the fictitious load part in the fictitious load box with disconnection detection function described in the utility model
Including air quantity display lamp L1, compressor display lamp L2, rear defrosting display lamp L3, power supply indicator L4, background signal controlled switch S1,
Ignition control switch S2, on and off switch S3, Boiler pressure control transistor Q1, compressor control relay R L1, rear defrosting control relay
Device RL2, vaporizer simulation potentiometer RV1, power transfer module U1, pattern motor M1, changes in temperature motor M2, circulation motor M3, electricity
Resistance R1 to resistance R12, air quantity feedback signal fictitious load end X1, Boiler pressure control signal imitation load end X2, compressor control letter
Number fictitious load end X3, rear defrosting control signal fictitious load end X4, background light control signal fictitious load end X5, IGNITION CONTROL
Signal imitation load end X6, power supply are just simulating load end X7, with reference to simulation load end X8, evaporator temperature signal imitation load
End X9,5V reference voltage fictitious load end X10, mode feedback signal fictitious load end X11, pattern motor drive positive fictitious load
End X12, pattern motor drive negative analog load end X13, changes in temperature feedback signal fictitious load end X14, changes in temperature motor to drive holotype
Intend load end X15, changes in temperature motor drives negative analog load end X16, circulation feedback signal fictitious load end X17, circulation motor are driven
The dynamic load end X18 that just simulating drives negative analog load end X19 with circulation motor.
Described air quantity feedback signal fictitious load end X1 is by the one of a resistance R8 and described air quantity display lamp L1
End is connected, and the other end of air quantity display lamp L1 is connected to power supply through on and off switch S3 and is just simulating load end X7；Air quantity feeds back
Signal imitation load end X1 is through resistance R7 and resistance R6 ground connection, and from drawing between resistance R7 and resistance R6 and control part AD
Port is connected；
Described Boiler pressure control signal imitation load end X2 is connected to the control of Boiler pressure control transistor Q1 by resistance R5
End；The colelctor electrode of described Boiler pressure control transistor Q1 is connected to one end of described air quantity display lamp L1, wind by resistance R8
Amount controls the grounded emitter of transistor Q1；
Described compressor control signal fictitious load end X3 is connected to the control of described compressor control relay R L1
On one end of coil, the other end ground connection of the control coil of compressor control relay R L1, described compressor control relay
The compressor control relay common port C1 of device RL1 is connected on power supply by and off switch S3 and is just simulating on load end X7, compressor
The compressor control relay normally-closed contact A1 controlling relay R L1 does not has any connection, the pressure of compressor control relay R L1
Contracting machine is controlled relay normally open contact B1 and has been connected on one end of compressor display lamp L2 by resistance R2, props up with resistance R2 simultaneously
Road is in parallel resistance R3 and resistance R4, resistance R4 is directly grounded；Node between resistance R3 and resistance R4 and control part AD end
Mouth is connected；
Described rear defrosting control signal fictitious load end X4 controls the control coil of relay R L2 with described rear defrosting
One end be connected, the other end of the control coil that rear defrosting controls relay R L2 is connected to power supply by and off switch S3
Just simulating load end X7, described rear defrosting controls the rear defrosting of relay R L2 and controls relay common port C2 ground connection, defrosts afterwards
The rear defrosting control relay normally-closed contact A2 controlling relay R L2 does not has any connection, after rear defrosting controls relay R L2
Defrosting is controlled relay normally open contact B2 and is connected by one end of resistance R1 with rear defrosting display lamp L3；
Described background light control signal fictitious load end X5 passes sequentially through background signal controlled switch S1 and on and off switch S3
Just simulating load end X7 with described power supply to be connected；
Described ignition control signal fictitious load end X6 is by ignition control switch S2 and on and off switch S3 and described
Power supply is just being simulated load end X7 and is being connected；
Described power supply is just being simulated load end X7 and is being connected with reference to simulation load end X8 by power supply indicator L4；And
And with reference to simulation load end X8 as reference ground of the present utility model；
The input of described power transfer module U1 connects power supply and is just simulating load end X7, power transfer module U1 defeated
Go out end to be connected in the supply port of control part；
Described evaporator temperature signal imitation load end X9 simulates potentiometer RV1 ground connection by described vaporizer, and
It is directly connected to control on part AD port；
Described 5V reference voltage fictitious load end X10 and described pattern motor position sensor power positive terminals,
Changes in temperature motor position sensor positive terminals positive terminals of powering with circulation motor position sensor of powering are connected；Described mould
Power negative terminals, changes in temperature motor position sensor of formula motor position sensor is powered negative terminals and circulation motor position sensing
Device is powered negative terminals ground connection；Pattern motor feedback signals terminals and described mode feedback signal fictitious load end X11 phase
Connect, and be connected to control on part AD port；Changes in temperature motor feedback signals terminals are simulated with described changes in temperature feedback signal
Load end X14 is connected, and is connected to control on part AD port；Circulation motor feedback signal terminals are anti-with described circulation
Feedback signal fictitious load end X17 is connected, and is connected to control on part AD port；Described pattern motor driving is just being simulated negative
Carrying end X12 directly drives positive terminals to be connected with pattern motor；Described changes in temperature motor drive just simulating load end X15 directly with
Changes in temperature motor drives positive terminals to be connected；Described circulation motor driving is just being simulated load end X18 and is directly being driven with circulation motor
Positive terminals are connected；Described pattern motor drives negative analog load end X13 directly to drive negative terminals to be connected with pattern motor；
Described changes in temperature motor drives negative analog load end X16 directly to drive negative terminals to be connected with changes in temperature motor；Described circulation electricity
Machine drives negative analog load end X19 directly to drive negative terminals to be connected with circulation motor；Described circulation motor drives and just simulates
Load end X18 passes through resistance R11 and resistance R12 ground connection；Node between resistance R11 and resistance R12 and control part AD port
It is connected；Described circulation motor drives negative analog load end X19 by resistance R9 and resistance R10 ground connection, resistance R9 and resistance R10
Between node with control part AD port be connected；
During work, the fictitious load box with disconnection detection function described in the utility model can directly and on-board air conditioner control
Device processed is connected, and needs in this operating mode to supply the fictitious load box with disconnection detection function described in the utility model
Electricity, the fictitious load box with disconnection detection function described in the utility model serves as disconnection detection box (BOB) and fictitious load
The effect of box (Loadbox).This utility model can simulate the loading condition of true air conditioning system, to test vehicle-mounted airconditioning control
Device function is the most normal.
Once have the most abnormal, it is necessary to test each signal, owing to the circuit of whole device is to be imprinted on printing electricity
On the plate of road, this brings great inconvenience to measurement, and this is accomplished by the test point that each signal leads to easily measure.
Refering to Fig. 4, the short-circuit test block K that this utility model is used is by two banana bins and a short-circuit banana plug
Composition, the when of being extracted from banana bin by short circuit banana plug, short-circuit test block is at the state of open circuit, and by short circuit
The when that two plug end of banana plug inserting two banana bins respectively, short-circuit test block is at on-state, the shortest
The socket end of road banana plug is just as test point.
Refering to Fig. 5, when measuring voltage, have only to insert test pencil respectively the test point of two short-circuit test blocks.And
Due to a test point inherently banana bin, so very easily test pencil being inserted fixing, it is not necessary to hand-held test pencil, measure
Stable connection is reliable.
Refering to Fig. 6, only need to be extracted by the short-circuit banana plug of short-circuit test block during if desired for test electric current, test pencil is inserted respectively
Enter two banana bins of short-circuit test block.
Refering to Fig. 7, each signal input part described in the utility model is connected by wire harness with on-board air conditioner controller, this
Utility model acts as a Loadbox carrying BOB, and this just brings great convenience to debugging, takies testing stand space
Little, it is not necessary to confusing line process.
Refering to Fig. 8, it addition, this utility model can also directly use when disconnection detection box, need not in such a mode
It is powered.And need by each signal imitation load end X1-X19 piano type toggle switch disconnect, allow each signal not with simulation
Loading section connects, and will not be affected by fictitious load part.Under this use pattern, by described in the utility model respectively
Signal input part is connected by wire harness with on-board air conditioner controller, by each signal output part described in the utility model with vehicle-mounted
Air conditioning system is connected by wire harness.Thus each signal is drawn, very easily each signal is turned off operation simultaneously.
Fictitious load box operation principle with disconnection detection function described in the utility model:
This utility model simulates the loading condition of true on-board air conditioner by the circuit design of fictitious load part, is opening
The initial stage of sending out also can accomplish the true simulation controlled in the case of not having true on-board air conditioner, and is come intuitively by display part
Present the result of control.User can be observed by display part and control whether to have reached expected result.If controlled
Being not reaching to expected result, the short-circuit test block that this utility model is used is designed as debugging and brings great convenience.Make
User can off and on signal easily, it is also possible to carry out can easily measuring, thus to the voltage and current of signal
Can be determined which signal goes wrong and occurs in that what kind of problem.And this debugging can use this utility model
The analog portion carried can also be directly connected on real on-board air conditioner, say, that this utility model can be used in vehicle-mounted
Each stage of controller exploitation.
Claims (4)
1. the fictitious load box with disconnection detection function, it is characterised in that the described mould with disconnection detection function
Intend load tray include include display part, control part, fictitious load part, input port group JA of signal, signal defeated
Go out port set JB and short-circuit test block group K；
Described control part is single-chip microcomputer；Short-circuit test block group K use one group of structure identical all by two banana bins and
The parts of one short-circuit banana plug composition；Fictitious load part includes the fictitious load end X of each signal；
The AD port controlling part is connected with fictitious load part；Display part passes through SPI port and I/O port with controlling part
Connect；Input port group JA of signal is connected with one end electric wire of short-circuit test block group K, the other end of short-circuit test block group K with
Output port group JB of signal and the fictitious load end X electric wire of each signal connect.
2. according to the fictitious load box with disconnection detection function described in claim 1, it is characterised in that described signal
Input port group JA is connected with one end electric wire of short-circuit test block group K and refers to:
Input port group JA of described signal include air quantity feedback signal input terminal J1A, Boiler pressure control signal input part J2A,
Compressor control signal input J3A, rear defrosting control signal input J4A, background light control signal input J5A, igniting
Control signal input J6A, power supply positive input terminal J7A, reference ground input J8A, evaporator temperature signal input part J9A, 5V
Reference voltage input terminal J10A, mode feedback signal input J11A, pattern motor drive positive input terminal J12A, pattern motor to drive
It is negative that dynamic negative input end J13A, changes in temperature feedback signal input terminal J14A, changes in temperature motor drive positive input terminal J15A, changes in temperature motor to drive
Input J16A, circulation motor feedback signal input terminal J17A, circulation motor drive positive input terminal J18A to drive with circulation motor
Negative input end J19A；
Described short-circuit test block group K include air quantity feedback signal short-circuit test block K1, Boiler pressure control signal shorts test block K2,
Compressor control signal short-circuit test block K3, rear defrosting control signal short-circuit test block K4, background light control signal short-circuit test
Block K5, ignition control signal short-circuit test block K6, power supply positive short-circuit test block K7, reference ground short circuit test block K8, vaporizer temperature
Degree signal shorts test block K9,5V reference voltage short-circuit test block K10, mode feedback signal short-circuit test block K11, pattern motor
Positive short-circuit test block K12, pattern motor is driven to drive negative short-circuit test block K13, changes in temperature feedback signal short-circuit test block K14, cold
Warm motor drives positive short-circuit test block K15, changes in temperature motor to drive negative short-circuit test block K16, circulation feedback signal short-circuit test block
K17, circulation motor drive positive short-circuit test block K18 and circulation motor to drive negative short-circuit test block K19；
One of them banana bin phase of described air quantity feedback signal input terminal J1A and air quantity feedback signal short-circuit test block K1
Even；Boiler pressure control signal input part J2A is connected with one of them banana bin of Boiler pressure control signal shorts test block K2；Compression
Machine control signal input J3A is connected with one of them banana bin of compressor control signal short-circuit test block K3；Rear defrosting
Control signal input J4A is connected with one of them banana bin of rear defrosting control signal short-circuit test block K4；Background light control
Signal input part J5A processed is connected with one of them banana bin of background light control signal short-circuit test block K5；IGNITION CONTROL is believed
One of them banana bin of number input J6A and ignition control signal short-circuit test block K6 is connected；Power supply positive input terminal J7A
One of them banana bin of short-circuit test block K7 positive with power supply is connected；With reference to ground input J8A and reference ground short circuit test block
One of them banana bin of K8 is connected；Evaporator temperature signal input part J9A and evaporator temperature signal shorts test block K9
One of them banana bin be connected；Wherein the one of 5V reference voltage input terminal J10A and 5V reference voltage short-circuit test block K10
Individual banana bin is connected；One of them of mode feedback signal input J11A and mode feedback signal short-circuit test block K11 is fragrant
Any of several broadleaf plants socket is connected；Pattern motor drives positive input terminal J12A and pattern motor to drive one of them perfume of positive short-circuit test block K12
Any of several broadleaf plants socket is connected；Pattern motor drives negative input end J13A and pattern motor to drive one of them perfume of negative short-circuit test block K13
Any of several broadleaf plants socket is connected；One of them banana plug of changes in temperature feedback signal input terminal J14A and changes in temperature feedback signal short-circuit test block K14
Seat is connected；Changes in temperature motor drives positive input terminal J15A to drive one of them banana plug of positive short-circuit test block K15 with changes in temperature motor
Seat is connected；Changes in temperature motor drives negative input end J16A and changes in temperature motor to drive one of them banana plug of negative short-circuit test block K16
Seat is connected；One of them banana bin phase of circulation feedback signal input terminal J17A and circulation feedback signal short-circuit test block K17
Even；Circulation motor drives positive input terminal J18A to drive one of them banana bin phase of positive short-circuit test block K18 with circulation motor
Even；Circulation motor drives negative input end J19A and circulation motor to drive one of them banana bin phase of negative short-circuit test block K19
Even.
3. according to the fictitious load box with disconnection detection function described in claim 1, it is characterised in that described short circuit survey
The other end of test block group K is connected with output port group JB of signal and the fictitious load end X electric wire of each signal and refers to:
The fictitious load end X of the described each signal in fictitious load part includes air quantity feedback signal fictitious load end X1, wind
Amount control signal fictitious load end X2, compressor control signal fictitious load end X3, rear defrosting control signal fictitious load end X4,
Background light control signal fictitious load end X5, ignition control signal fictitious load end X6, power supply are just simulating load end X7, with reference to ground
Fictitious load end X8, evaporator temperature signal imitation load end X9,5V reference voltage fictitious load end X10, mode feedback signal
Fictitious load end X11, pattern motor drive and are just simulating load end X12, pattern motor drives negative analog load end X13, changes in temperature anti-
Feedback signal fictitious load end X14, changes in temperature motor drive and just simulating load end X15, changes in temperature motor drives negative analog load end X16,
Circulation feedback signal fictitious load end X17, circulation motor drive just is simulating load end X18 and circulation motor driving negative analog load
End X19；
Another banana bin of air quantity feedback signal short-circuit test block K1 both connected with air quantity feedback signal output J1B electric wire
Connect, be connected with air quantity feedback signal fictitious load end X1 electric wire again；Another Fructus Musae of Boiler pressure control signal shorts test block K2
Socket was both connected with Boiler pressure control signal output part J2B electric wire, was connected with Boiler pressure control signal imitation load end X2 electric wire again；Pressure
Another banana bin of contracting machine control signal short-circuit test block K3 was both connected with compressor control signal outfan J3B electric wire,
It is connected with compressor control signal fictitious load end X3 electric wire again；Another Fructus Musae of rear defrosting control signal short-circuit test block K4
Socket was both connected with rear defrosting control signal outfan J4B electric wire, again with rear defrosting control signal fictitious load end X4 electric wire even
Connect；Another banana bin of background light control signal short-circuit test block K5 both with background light control signal outfan J5B electric wire
Connect, be connected with background light control signal fictitious load end X5 electric wire again；Another of ignition control signal short-circuit test block K6
Banana bin was both connected with ignition control signal outfan J6B electric wire, again with ignition control signal fictitious load end X6 electric wire even
Connect；Another banana bin of power supply positive short-circuit test block K7 was both connected with power supply positive output end J7B electric wire, again with power supply holotype
Intend load end X7 electric wire to connect；With reference to ground short circuit test block K8 another banana bin both with reference to ground outfan J8B electric wire
Connect, be connected with reference to simulation load end X8 electric wire again；Another banana plug of evaporator temperature signal shorts test block K9
Seat was both connected with evaporator temperature signal output part J9B electric wire, was connected with evaporator temperature signal imitation load end X9 electric wire again；
Another banana bin of 5V reference voltage short-circuit test block K10 was both connected with 5V reference voltage output terminal J10B electric wire, again with
5V reference voltage fictitious load end X10 electric wire connects；Another banana bin of mode feedback signal short-circuit test block K11 both with
Mode feedback signal outfan J11B electric wire connects, and is connected with mode feedback signal fictitious load end X11 electric wire again；Pattern motor
Drive another banana bin of positive short-circuit test block K12 both to drive positive output end J12B electric wire to be connected with pattern motor, again with
Pattern motor drives just is simulating the connection of load end X12 electric wire；Pattern motor drives another banana plug of negative short-circuit test block K13
Seat both drove negative output terminal J13B electric wire to be connected with pattern motor, drove negative analog load end X13 electric wire even with pattern motor again
Connect；Another banana bin of changes in temperature feedback signal short-circuit test block K14 both connected with changes in temperature feedback signal output J14B electric wire
Connect, be connected with changes in temperature feedback signal fictitious load end X14 electric wire again；Changes in temperature motor drives another of positive short-circuit test block K15
Banana bin both drove positive output end J15B electric wire to be connected with changes in temperature motor, drives with changes in temperature motor again and is just simulating load end X15
Electric wire connects；Changes in temperature motor drives another banana bin of negative short-circuit test block K16 both to drive negative output terminal with changes in temperature motor
J16B electric wire connects, and drives negative analog load end X16 electric wire to be connected with changes in temperature motor again；Circulation feedback signal short-circuit test block
Another banana bin of K17 was both connected with circulation feedback signal output J17B electric wire, negative with circulation feedback signal simulation again
Carry end X17 electric wire to connect；Circulation motor drives another banana bin of positive short-circuit test block K18 both just driving with circulation motor
Outfan J18B electric wire connects, and is just simulating load end X18 with circulation motor driving again and is being connected；Circulation motor drives negative short-circuit test
Another banana bin of block K19 both drove negative output terminal J19B electric wire to be connected with circulation motor, drove again negative with circulation motor
Fictitious load end X19 electric wire connects.
4. according to the fictitious load box with disconnection detection function described in claim 3, it is characterised in that described simulation is born
Load part also includes air quantity display lamp L1, compressor display lamp L2, rear defrosting display lamp L3, power supply indicator L4, background light control
System switchs S1, ignition control switch S2, on and off switch S3, Boiler pressure control transistor Q1, compressor control relay R L1, removes afterwards
Frost controls relay R L2, vaporizer simulation potentiometer RV1, power transfer module U1, pattern motor M1, changes in temperature motor M2, circulation
Motor M3, resistance R1 are to resistance R12；
Described air quantity feedback signal fictitious load end X1 one end phase by a resistance R8 and described air quantity display lamp L1
Connecting, the other end of air quantity display lamp L1 is connected to power supply through on and off switch S3 and is just simulating load end X7, air quantity feedback signal
Fictitious load end X1 is through resistance R7 and resistance R6 ground connection；
Described Boiler pressure control signal imitation load end X2 is connected to the control end of Boiler pressure control transistor Q1 by resistance R5,
The colelctor electrode of Boiler pressure control transistor Q1 is connected to one end of air quantity display lamp L1 by resistance R8, Boiler pressure control transistor Q1's
Grounded emitter；
Described compressor control signal fictitious load end X3 is connected to one end of the control coil of compressor control relay R L1
On, the other end ground connection of the control coil of compressor control relay R L1, the compressor control of compressor control relay R L1
Relay common port C1 processed is connected on power supply by and off switch S3 and is just simulating on load end X7, compressor control relay R L1
Compressor control relay normally open contact B1 has been connected on one end of compressor display lamp L2 by resistance R2, simultaneously with resistance R2
Branch circuit parallel connection resistance R3 and resistance R4, resistance R4 is directly grounded；
Described rear defrosting control signal fictitious load end X4 is connected with the one end of the control coil that rear defrosting controls relay R L2
Connecing, the other end of the control coil that rear defrosting controls relay R L2 is connected on power supply by and off switch S3 and is just simulating load end
On X7, rear defrosting controls the rear defrosting of relay R L2 and controls relay common port C2 ground connection, and rear defrosting controls relay R L2
Rear defrosting is controlled relay normally open contact B2 and is connected by one end of resistance R1 with rear defrosting display lamp L3, and defrost display lamp afterwards
The other end of L3 is connected on power supply by and off switch S3 and is just simulating on load end X7；
Described background light control signal fictitious load end X5 passes sequentially through background signal controlled switch S1 and on and off switch S3 and institute
The power supply stated just is being simulated load end X7 and is being connected；
Described ignition control signal fictitious load end X6 is just simulated with on and off switch S3 and power supply by ignition control switch S2
Load end X7 is connected；
The input of described power transfer module U1 connects power supply and is just simulating load end X7；
Described power supply is just being simulated load end X7 and is being connected with reference to simulation load end X8 by power supply indicator L4；And join
Examine simulation load end X8 ground connection；
Described evaporator temperature signal imitation load end X9 simulates potentiometer RV1 ground connection by vaporizer；
Described 5V reference voltage fictitious load end X10 and pattern motor position sensor are powered positive terminals, changes in temperature motor position
Put the positive terminals of sensor power positive terminals of powering with circulation motor position sensor to be connected；Pattern motor position sensor
Negative wiring termination that terminals are born in power supply, changes in temperature motor position sensor powers negative terminals and circulation motor position sensor is powered
Ground；Pattern motor feedback signals terminals are connected with described mode feedback signal fictitious load end X11, and are connected to control
On part AD port；Changes in temperature motor feedback signals terminals are connected with described changes in temperature feedback signal fictitious load end X14, and
And be connected to control on part AD port；Circulation motor feedback signal terminals and described circulation feedback signal fictitious load end
X17 is connected, and is connected to control on part AD port；Described pattern motor drive just simulating load end X12 directly with
Pattern motor drives positive terminals to be connected；Described changes in temperature motor driving is just being simulated load end X15 and is directly being driven with changes in temperature motor
Positive terminals are connected；Described circulation motor driving is just being simulated load end X18 and is directly being driven positive terminals to be connected with circulation motor；
Described pattern motor drives negative analog load end X13 directly to drive negative terminals to be connected with pattern motor；Described changes in temperature electricity
Machine drives negative analog load end X16 directly to drive negative terminals to be connected with changes in temperature motor；Described circulation motor drives negative analog
Load end X19 directly drives negative terminals to be connected with circulation motor；It is logical that load end X18 is just being simulated in described circulation motor driving
Cross resistance R11 and resistance R12 ground connection；Node between resistance R11 and resistance R12 is connected with controlling part AD port；Described
Circulation motor drives negative analog load end X19 by resistance R9 and resistance R10 ground connection, the node between resistance R9 and resistance R10
It is connected with controlling part AD port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620441337.0U CN205665582U (en) | 2016-05-15 | 2016-05-15 | Artificial load box with disconnection detects function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620441337.0U CN205665582U (en) | 2016-05-15 | 2016-05-15 | Artificial load box with disconnection detects function |
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| Publication Number | Publication Date |
|---|---|
| CN205665582U true CN205665582U (en) | 2016-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620441337.0U Expired - Fee Related CN205665582U (en) | 2016-05-15 | 2016-05-15 | Artificial load box with disconnection detects function |
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| Country | Link |
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| CN (1) | CN205665582U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105739490A (en) * | 2016-05-15 | 2016-07-06 | 吉林大学 | Simulated load box with disconnection detection function |
-
2016
- 2016-05-15 CN CN201620441337.0U patent/CN205665582U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105739490A (en) * | 2016-05-15 | 2016-07-06 | 吉林大学 | Simulated load box with disconnection detection function |
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