CN104678227B - Automotive electronics fans comprehensive detector - Google Patents
Automotive electronics fans comprehensive detector Download PDFInfo
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- CN104678227B CN104678227B CN201510117056.XA CN201510117056A CN104678227B CN 104678227 B CN104678227 B CN 104678227B CN 201510117056 A CN201510117056 A CN 201510117056A CN 104678227 B CN104678227 B CN 104678227B
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Abstract
Comprehensive detector is fanned the invention discloses automotive electronics, it is characterised in that：Power module, current detection module 4, pwm signal analog module 9, electric fan motor drive module 10, light-emitting diode display drive module 13 and the light-emitting diode display 14 being connected including microprocessor 1 and respectively with microprocessor, the output end of the electric fan motor drive module are connected after being connected with the output end of pwm signal analog module with automotive electronics fan assembly.The present invention fans the current value of motor under the various operational modes in product by the actual automotive electronics of collection, and the resistance value of speed adjusting resistance, and show in real time, to judge whether that the parameter value with setting matches, so as to the working condition of dynamic analysis automotive electronics fan, the relevant issues that system is present effectively are solved.
Description
Technical Field
The invention belongs to the technical field of finished product detection of automobile electronic fans, and particularly relates to equipment for controlling the running state of an automobile electronic fan and automatically and manually detecting the automobile electronic fan in the finished product detection of the automobile electronic fan.
Background
In current automobile electron fan finished product detection, generally adopt relay equipment to control automobile electron fan finished product detection, although relay equipment can satisfy automobile electron fan finished product detection's requirement to a certain extent, still exist following not enoughly: for relay equipment, the following disadvantages are mainly existed: 1. a single type of automobile electronic fan corresponds to one device, and the universality cannot meet the requirement; 2. the detection can be controlled manually, an automatic detection function is not provided, the manual control is difficult, an alarm function is not provided, the efficiency is low, and the condition of error detection cannot be prevented; 3. the contact of the relay is easy to ablate under long-time heavy current, and the reliability can not meet the use requirement; 4. the unmanned aerial vehicle interactive interface can not directly perceivedly set up and show the change condition of duty ratio among the automobile electronic fan finished product testing process, influences the problem analysis to the defective work.
Disclosure of Invention
In view of this, the present invention provides a comprehensive detector for an electronic fan of an automobile.
The purpose of the invention is realized by the following technical scheme: automobile electronic fan comprehensive detector, including microprocessor 1 and power module, current detection module 4, PWM signal simulation module 9, electronic fan motor drive module 10, LED display drive module 13 and LED display 14 that are connected with microprocessor respectively, the output of electronic fan motor drive module is connected with automobile electronic fan assembly after being connected with PWM signal simulation module's output.
Preferably, the power supply module comprises an AC-DC converter 2 and a DC-DC converter 3, the DC-DC converter being connected between the AC-DC converter and the microprocessor.
Preferably, the comprehensive detector for the electronic fan further comprises an operation panel 5, the operation panel is provided with a switch key module 15 connected with the power module, a control key connected with the microprocessor and an indicator light 16 used for displaying the running state of the electronic fan of the automobile, and the LED display is installed on the operation panel.
Preferably, the comprehensive detector for the electronic fan further comprises a clock crystal oscillator 6 for providing a stable time reference for the microprocessor, and the clock crystal oscillator is connected with the microprocessor.
Preferably, the comprehensive detector of the electronic fan further comprises a buzzer 7 for prompting an alarm, and the buzzer is connected with the microprocessor.
Preferably, the integrated electronic fan detector further comprises a program simulation interface 8 for debugging equipment and software, and the program simulation interface is connected with the microprocessor.
Preferably, the comprehensive electronic fan detector further comprises a small heat dissipation fan 12 for dissipating heat, and the small heat dissipation fan is connected with the microprocessor.
The invention has the beneficial effects that:
according to the comprehensive detector for the automobile electronic fan, the LED display and the LED display driving module are arranged, so that test data can be displayed in real time, and testers can know the condition in the test process at any time through the LED display, so that the validity of the test result is ensured; through setting up electron fan motor drive module, can with all kinds of electron fan butt joints, can realize universalization, automation, can effectively control the disconnection, the speed governing of electron fan motor, control the operation of the various modes of electron fan promptly, promote efficiency of software testing by a wide margin.
The current values of the motor in various running modes in an actual automobile electronic fan product and the resistance value of the speed regulating resistor are collected and displayed in real time to judge whether the current values are matched with the set parameter values, so that the working condition of the automobile electronic fan can be dynamically analyzed, and the related problems of the system are effectively solved.
Drawings
In order to make the object, technical scheme and beneficial effect of the invention more clear, the invention provides the following drawings for explanation:
FIG. 1 is a schematic block diagram of an embodiment of an integrated tester for automotive electronic fans of the present invention;
FIG. 2 is a schematic structural diagram of an operation panel;
FIG. 3 is an operation schematic diagram of the automobile electronic fan finished product detection by using the automobile electronic fan comprehensive tester of the embodiment;
FIG. 4 is a partial circuit diagram of the integrated tester for the electronic fan of the automobile according to the embodiment;
fig. 5 is another circuit diagram of the integrated tester for the electronic fan of the automobile according to the embodiment.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Fig. 1 is a schematic block diagram of an embodiment of the integrated detector for an electronic fan of an automobile according to the present invention. The comprehensive detector for the automobile electronic fan comprises a microprocessor 1, a power supply module, a current detection module 4, a PWM signal simulation module 9, an electronic fan motor driving module 10, an LED display driving module 13 and an LED display 14.
The microprocessor 1 is used for analyzing and processing the test data and sending out a control instruction.
The power module is used for providing power for the microprocessor 1, the power module of the embodiment comprises an AC-DC converter 2 and a DC-DC converter 3, the DC-DC converter 3 is positioned between the AC-DC converter 2 and the microprocessor 1, alternating current 220V voltage generates main voltage of +13.5V after passing through the AC-DC converter 2, and the main voltage generates accurate +5V voltage through the DC-DC converter 3 to supply power for the microprocessor 1.
The current detection module 4 is used for collecting current data of the main circuit and transmitting data signals to the microprocessor 1, and current data of the automobile electronic fan in various running states can be collected by arranging the electronic fan motor driving module 10.
The PWM signal simulation module 9 only acts on the automobile electronic fan assembly 11 with the built-in PWM speed regulation module type, receives the control signal from the microprocessor 1, is used for simulating the control signal required by the PWM type speed regulation module and sending a control instruction to the automobile electronic fan assembly 11, and can effectively control the duty ratio of the PWM speed regulation module, namely control the rotation speed regulation of the automobile electronic fan assembly 11.
The electronic fan motor driving module 10 receives the control signal from the microprocessor 1 and sends a control instruction to the automobile electronic fan assembly 11, so that the on-off mode of a motor or a speed regulating resistor of the automobile electronic fan assembly 11 can be effectively controlled, and various running states of the automobile electronic fan assembly 11 can be realized.
And the LED display 14 is used for dynamically displaying the test data. LED display 14 links to each other with microprocessor 1 through LED display drive module 13, and LED display drive module 13 transmits to LED display 14 after will coming from microprocessor 1's data signal processing and shows, through setting up LED display 14, can show test data in real time, and experimenter accessible LED display 14 knows the condition in the test procedure at any time, has ensured the validity of test result.
Further, the comprehensive detector for the automotive electronic fan of the embodiment further comprises an operation panel 5, wherein the operation panel 5 is provided with a switch key module 15 connected with the power module, a control key connected with the microprocessor 1 and an indicator light 16 for displaying the running state of the automotive electronic fan, the LED display 14 is installed on the operation panel 5, the operation panel 5 is used for controlling the test by an operator, and as shown in fig. 2, the number of the indicator lights 16 is two, one of the indicator lights is normal, and the other indicator light is alarm; the control keys of the present embodiment include a "type selection" key 17, a "confirmation execution" key 18, a "high/low speed switching" key 19, a "duty ratio increase" key 20, and a "duty ratio decrease" key 21; through the operation of each control key, the control of the finished product detection of the automotive electronic fan can be completed, as shown in fig. 3, the operation method and the operation flow for the finished product detection of the automotive electronic fan by using the operation panel 5 are provided.
Further, the integrated detector for the automobile electronic fan of the embodiment further comprises a clock crystal oscillator 6 connected with the microprocessor 1 or a built-in clock is arranged in the microprocessor 1, and the integrated detector for the automobile electronic fan of the embodiment is provided with the clock crystal oscillator 6 and provides a stable time reference for the microprocessor 1.
Further, the comprehensive detector for the automotive electronic fan of the embodiment further comprises a buzzer 7 for alarming and prompting when the automatic test is carried out, wherein the buzzer 7 is connected with the microprocessor 1 and receives a control signal of the microprocessor 1, and the alarm is prompted when the automatic test of the tested product fails.
Further, the comprehensive detector for the automotive electronic fan of the embodiment further comprises 4 mosfets and 1 high-power schottky diode for the motor driving module 10, and the 4 mosfets and the 1 high-power schottky diode are respectively connected with the main motor and the auxiliary motor of the electronic fan and the control circuit.
Further, the comprehensive detector for the automobile electronic fan of the embodiment further comprises a program simulation interface 8 for debugging equipment and software, and the program simulation interface 8 is connected with the microprocessor 1 so as to facilitate the debugging of the equipment and the software.
Further, the comprehensive detector for the automobile electronic fan of the embodiment further comprises a small heat dissipation fan 12 for dissipating heat, wherein the small heat dissipation fan 12 is connected with the microprocessor 1, receives a control signal of the microprocessor 1, and dissipates heat for an internal circuit board when the comprehensive detector for the automobile electronic fan works.
Particularly, the invention comprises resistors R1-R79, capacitors C1-C30, Mosfet tubes Q1-Q3 and Q8, triodes Q4-Q7, Q9 and Q10, a microprocessor IC2-MB96F615_0, a current detection chip IC4-MAX4080T, a low-dropout linear regulator IC1-S19500, a buzzer FMQ1, a micro fan XP2, driving chips IC3 and IC5-ULN2003ADR, a logic buffer IC6-M74HCT244, a nixie tube 5631A, a crystal oscillator Y1 and keys SW 1-SW 5; wherein,
the DC-DC converter comprises a low dropout linear regulator S19500, resistors R4, R5, R7 and R9, capacitors C1, C2, C3, C4 and C6, and a diode D2; the anode of the diode D2 is connected with a 13.5V power supply, the cathode of the diode is connected with the pin 8 of the IC1, the pin 8 of the IC1 is connected with a ground capacitor C1, the pin 5 of the IC1 is connected with the pin 33 of the IC2, the pin 7 of the IC1 is connected with the pin 43 of the IC2 through a resistor R4, the pin 3 of the IC1 is grounded, the pin 4 of the IC1 is connected with a ground capacitor C2, the pin 6 of the IC1 is connected with the pin 42 of the IC2 through a resistor R5, the pin 1 of the IC1 is respectively connected with the anode of the capacitor C3, the pin 37, the pin 48 and the pin 2 of the IC2, the cathode of the capacitor C3 is grounded, two ends of the capacitor C3 are connected with the capacitors C4 and C6 in parallel, the anode of the capacitor C6 is connected with one end of the resistor R6, and the other.
The pin 40 of the IC2 is respectively connected with one end of a resistor R10 and one end of a capacitor C7, the other end of the resistor R10 is respectively connected with one end of a resistor R8, one end of a capacitor C5 and one end of a resistor R6, the other end of the capacitor C7, the other end of the resistor R8 and the other end of the capacitor C5 are grounded, the other end of the resistor R6 is respectively connected with one end of a capacitor C31 and a 13.5V power supply, and the other end of the capacitor C31 is grounded. The pin 38 of the IC2 is connected to the capacitor C15, the pin 15 of the IC2 is connected to the resistor R15, and the pin 16 of the IC2 is connected to the resistor R50.
The current detection module comprises a current detection chip MAX4080T, resistors R1, R2, R3, R15, R16, R21, R71, R73, R19, R22 and R26, capacitors C27, C9, C10, C14 and C16; resistors R1, R2, R3, R15, R16, R21, R71 and R73 are respectively connected in parallel between pins 1 and 8 of an IC4, pin 1 of an IC4 is connected with a 13.5V power supply, pin 1 is respectively connected with capacitors C27, C9 and C10, pin 8 of the IC4 is connected with capacitor C12, pin 5 of the IC4 is sequentially connected with pin 41 of the IC2 through a resistor R19 and a resistor R26, a common point between a resistor R19 and a resistor R26 is connected with a resistor R22, the resistor R22 is connected in parallel with a capacitor C14, and the common point between the resistor R26 and the pin 41 of the IC2 is connected with a capacitor C16.
The driving module of the electronic fan motor comprises MOS (metal oxide semiconductor) tubes Q1-Q3 and Q8, triodes Q4, Q5, Q6, Q7, Q9 and Q10, diodes D1, D3 and D4, resistors R17, R18, R20, R23, R24, R27, R28, R37, R38, R39, R40, R41, R42, R43, R44, R45, R46, R47, R48, R49, R74, R75, R76, R77, R78 and R79, capacitors C11, C13, C17, C18, C19, C20, C21, C22, C28, C29 and C32, wherein the D1 is a high-power diode which is connected in parallel. The anode of the main motor M1 is respectively connected with the cathode of the diode D3, one end of the capacitor C11 and the drain of the Mosfet tube Q2, the cathode of the main motor M1 is respectively connected with the anode of the diode D3, the drain of the Mosfet tube Q1, one end of the resistor R17 and the drain of the Mosfet tube Q3, and the other end of the resistor R17 is connected with the other end of the capacitor C11; the drain of the Mosfet tube Q2 is connected with one end of a capacitor C32 and one end of a resistor R24, the other end of the resistor R24 is respectively connected with one end of a capacitor C13, one end of a resistor R27 and one end of a resistor R28, the other end of the capacitor C32, the other end of the capacitor C13 and the other end of the resistor R27 are respectively grounded, the other end of the resistor R28 is respectively connected with a pin 45 of an IC2 and one end of the capacitor C17, and the other end of the capacitor C17 is grounded; the gate of the Mosfet Q2 is connected with the collector of the triode Q6 through the resistor R23, the emitter of the triode Q6 is grounded, and the base of the triode Q6 is connected with the pin 44 of the IC2 through the resistor R47; the source of the Mosfet tube Q2 is respectively connected with the cathode of the diode D1, one end of the resistor R37, the cathode of the diode D4 and the anode of the auxiliary motor M2, the anode of the diode D1 is connected with the source of the Mosfet tube Q1, the cathode of the auxiliary motor M2 is respectively connected with the anode of the diode D4, one end of the capacitor C18 and the drain of the Mosfet tube Q8, and the other end of the capacitor C18 is connected with the other end of the resistor R37; the drain of the Mosfet tube Q3 is respectively connected with one end of a resistor R44 and one end of a capacitor C28, the other end of the resistor R44 is respectively connected with one end of a capacitor C21, one end of a resistor R48 and one end of a resistor R49, the other end of the capacitor C28, the other ends of the capacitor C21 and the resistor R48 are grounded, the other end of the resistor R49 is respectively connected with one end of a capacitor C22 and a pin 46 of the IC2, and the other end of the capacitor C22 is grounded; the grid of the Mosfet Q3 is respectively connected with one end of a resistor R40 and one end of a resistor R39, the other end of the resistor R40 is grounded, the other end of the resistor R39 is connected with the collector of a triode Q7, the emitter of a triode Q7 is respectively connected with a 13.5V power supply and one end of a resistor R18, the other end of the resistor R18 is respectively connected with one end of R41, the collector of a triode Q5 and the grid of a Mosfet Q1, the base of a triode Q7 is connected with the collector of a triode Q4 through a resistor R79, the emitter of a triode Q4 is grounded, the other end of the resistor R41 is grounded, the base of the triode Q4 is connected with the 4 pin of an IC2 through a resistor R45, and the base of a triode Q5 is connected with the 3 pin of an IC2 through a resistor R46; the drain electrode of the Mosfet tube Q8 is respectively connected with one end of a resistor R75 and one end of a resistor R76 through a resistor R74, the other end of the resistor R76 is grounded, the other end of the resistor R75 is connected with the collector electrode of a triode Q9, the emitter electrode of the triode Q9 is connected with a 13.5V power supply, the base electrode of the triode Q9 is connected with the collector electrode of the triode Q10 through a resistor R77, the emitter electrode of the triode Q10 is grounded, and the base electrode of the triode Q10 is connected with a pin 47 of an IC2 through a resistor R78; one end of the capacitor C29 is connected to the positive electrode of the sub motor M2 and one end of the resistor R38, the other end of the resistor R38 is connected to one end of the capacitor C19, one end of the resistor R42, and one end of the resistor R43, the other end of the capacitor C29, the other end of the capacitor C19, and the other end of the resistor R42 are grounded, the other end of the resistor R43 is connected to one end of the capacitor C20 and the 5-pin of the IC2, and the other end of the capacitor C20 is grounded.
In this embodiment, it is possible to perform both dual-motor (main motor + auxiliary motor) speed regulation and single-motor speed regulation, and the motor speed regulation includes the following modes:
1) speed regulation of double-motor series-parallel connection: q2 and Q3 are cut off, and Q1 and Q8 are saturated at low speed;
2) double-motor series association speed regulation: q1 is cut off, and Q2, Q3 and Q8 are saturated at high speed;
3) single motor resistance speed regulation: q2 and Q3 are cut off, and Q1 and Q8 are saturated at low speed;
4) single motor resistance speed regulation: q1, Q2 and Q8 are cut off, and Q3 is saturated at high speed;
5) single motor external PWM speed regulation: q1 and Q2 are cut off, and the speed of the main motor M1 is regulated by Q3;
6) double-motor external PWM speed regulation: q1 is cut off, Q2 is saturated, Q3 regulates the speed of a main motor M1, and Q8 regulates the speed of an auxiliary motor M2;
7) double motors build-in PWM speed regulation: q1, Q2, Q3 and Q4 are turned off and regulated by PWM waves generated by the PWM signal simulation module.
The crystal oscillator module comprises a crystal oscillator Y1, a capacitor C23 and a capacitor C24, wherein two ends of the crystal oscillator Y1 are connected between a pin 34 and a pin 35 of the IC2 in parallel, one end of the crystal oscillator Y1 is connected with a debugger CN1 through a capacitor C23 to the ground, the other end of the crystal oscillator Y1 is connected with a capacitor C24 to the ground, the debugger is connected with a pin 17 of the IC2 through a resistor R69, and the pin 17 of the IC2 and a common terminal of the resistor R69 are connected with a 5V power supply.
The switch key module comprises keys SW 1-SW 5, resistors R63-R68 and a capacitor C25, wherein SW1 represents type selection, SW2 represents confirmation execution, SW3 represents high/low speed switching, SW4 represents duty ratio increase, and SW5 represents duty ratio decrease. One end of a key SW1, one end of a key SW2, one end of a key SW3, one end of a key SW4, one end of a key SW5 are respectively connected with one end of a resistor R68 and one end of a resistor R67, the other end of the resistor R68 is connected with a pin 6 of an IC2 and a ground capacitor C25, the other end of a resistor R67 is connected with a 5V power supply, the other end of the key SW1 is connected with a motor, the other end of the key SW2 is connected with one end of a resistor R2, the other end of the resistor R2 is connected with the other end of the key SW2, the other end of the key SW2 is connected with one end of the resistor R2 and the motor, the other end of the key SW 72 is connected with one end of the resistor R2 and the motor, the other end of the resistor R2 is connected with one end of the resistor R2 and the motor 2, the other end of the key SW5 is connected with the motor, and the other end of the resistor R67 is connected with the motor.
The LED display driving module and the LED indicator comprise a first driving chip IC3, a second driving chip IC5, a logic buffer M74HCT244, a first LED display module, a second LED display module and a third LED display module, wherein the model of the driving chip is ULN2003ADR, the model of the LED display module is 5641A, the input end of the first driving chip is connected with an IC2 through a resistor, the 13 pin of the first driving chip is connected with the 12 pin of the first display module, the 14 pin of the first driving chip is connected with the 9 pin of the first display module, the 15 pin of the first driving chip is connected with the 8 pin of the first display module, the 16 pin of the first driving chip is connected with the 12 pin of the second display module, the 12 pin of the first driving chip is connected with a ground capacitor C30, one end of a resistor R72 and one end of a resistor R73, the other end of a resistor R72 is connected with a PWM signal simulation module, and the other end of the resistor R73 is connected with a ground capacitor C8 and C8, The heat radiation fan and the buzzer FMQ1 are connected, the heat radiation fan and the buzzer are respectively connected with the first driving chip, the other end of the resistor R73 is connected with a 13.5V power supply, a pin 14 of the IC2 is connected with a cathode of the light emitting diode LD1 through a resistor R11, a pin 39 of the IC2 is connected with a cathode of the light emitting diode LD2 through a resistor R12, and an anode of the LD1 and an anode of the LD2 are respectively connected with the 5V power supply.
Pins 10 of the second driving chip are connected with pins 9 of the second display module, pins 11 of the second driving chip are connected with pins 8 of the second display module, pins 12 of the second driving chip are connected with pins 6 of the second display module, pins 13 of the second driving chip are connected with pins 12 of the third display module, pins 14 of the second driving chip are connected with pins 9 of the second display module, pins 15 of the second driving chip are connected with pins 8 of the second display module, pins 16 of the second driving chip are connected with pins 6 of the second display module, input ports of the second driving chip are respectively connected with an IC2 through a resistor, input ends of the logic buffers M74HCT244 are respectively connected with the IC2 through a resistor, and output ends of the logic buffers are respectively connected with pins A, B, C, D, E, F, G, DP of the first display module and pins A, B, C, D, E, F, G of the second display module, The DP pin is connected with the A, B, C, D, E, F, G, DP pin of the third display module; the pin 10 of the logic buffer is grounded, the pin 20 is grounded with a ground capacitor and a 5V power supply respectively, and the pin 1 and the pin 19 are grounded respectively.
According to the comprehensive detector for the automobile electronic fan, the LED display and the LED display driving module are arranged, so that test data can be displayed in real time, and testers can know the condition in the test process at any time through the LED display, so that the validity of the test result is ensured; through setting up electron fan motor drive module, can with all kinds of electron fan butt joints, can realize universalization, automation, can effectively control the disconnection, the speed governing of electron fan motor, control the operation of the various modes of electron fan promptly, promote efficiency of software testing by a wide margin.
The current values of the motor in various running modes in an actual automobile electronic fan product and the resistance value of the speed regulating resistor are collected and displayed in real time to judge whether the current values are matched with the set parameter values, so that the working condition of the automobile electronic fan can be dynamically analyzed, and the related problems of the system are effectively solved.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (8)
1. Automobile electronic fan comprehensive detector, its characterized in that: the automobile electronic fan motor driving device comprises a microprocessor (1), and a power supply module, a current detection module (4), a PWM signal simulation module (9), an electronic fan motor driving module (10), an LED display driving module (13) and an LED display (14) which are respectively connected with the microprocessor, wherein the output end of the electronic fan motor driving module is connected with the output end of the PWM signal simulation module and then connected with an automobile electronic fan assembly; the power supply module comprises an AC-DC converter (2) and a DC-DC converter (3), wherein the DC-DC converter is connected between the AC-DC converter and the microprocessor;
the DC-DC converter comprises a low dropout linear regulator IC1-S19500, resistors R4, R5, R7 and R9, capacitors C1, C2, C3, C4 and C6 and a diode D2; the anode of the diode D2 is connected with a 13.5V power supply, the cathode of the diode is connected with the 8 pin of the IC1, the 8 pin of the IC1 is connected with a ground capacitor C1, the 5 pin of the IC1 is connected with the 33 pin of the IC2, the 7 pin of the IC1 is connected with the 43 pin of the microprocessor IC2-MB96F615_0 through a resistor R4, the 3 pin of the IC1 is grounded, the 4 pin of the IC1 is connected with a ground capacitor C2, the 6 pin of the IC1 is connected with the 42 pin of the IC2 through a resistor R5, the 1 pin of the IC1 is respectively connected with the anode of the capacitor C3, the 37 pin, the 48 pin and the 2 pin of the IC2, the cathode of the capacitor C3 is grounded, the two ends of the capacitor C3 are connected with the capacitors C4 and C6 in parallel, the anode of the capacitor C6 is connected with one end of the resistor R6, and the.
2. The integrated detector for the electronic fan of the automobile according to claim 1, wherein: the comprehensive detector of the electronic fan further comprises an operation panel (5), the operation panel is provided with a switch key module (15) connected with the power module, a control key connected with the microprocessor and an indicator lamp (16) used for displaying the running state of the automobile electronic fan, and the LED display is installed on the operation panel.
3. The integrated detector for the electronic fan of the automobile according to claim 1, wherein: the electronic fan comprehensive detector also comprises a clock crystal oscillator (6) for providing a stable time reference for the microprocessor, and the clock crystal oscillator is connected with the microprocessor.
4. The integrated detector for the electronic fan of the automobile according to claim 1, wherein: the comprehensive detector of the electronic fan further comprises a buzzer (7) used for prompting and alarming, and the buzzer is connected with the microprocessor.
5. The integrated detector for the electronic fan of the automobile according to claim 1, wherein: the comprehensive detector for the electronic fan further comprises a program simulation interface (8) for debugging equipment and software, and the program simulation interface is connected with the microprocessor.
6. The integrated detector for the electronic fan of the automobile according to claim 1, wherein: the comprehensive detector for the electronic fan further comprises a small heat dissipation fan (12) for dissipating heat, and the small heat dissipation fan is connected with the microprocessor.
7. The integrated detector for the electronic fan of the automobile according to claim 1, wherein: the current detection module comprises a current detection chip MAX4080T, resistors R1, R2, R3, R15, R16, R21, R71, R73, R19, R22 and R26, capacitors C27, C9, C10, C14 and C16; resistors R1, R2, R3, R15, R16, R21, R71 and R73 are respectively connected in parallel between pins 1 and 8 of an IC4, pin 1 of an IC4 is connected with a 13.5V power supply, pin 1 is respectively connected with capacitors C27, C9 and C10, pin 8 of the IC4 is connected with capacitor C12, pin 5 of the IC4 is sequentially connected with pin 41 of the IC2 through a resistor R19 and a resistor R26, a common point between a resistor R19 and a resistor R26 is connected with a resistor R22, the resistor R22 is connected in parallel with a capacitor C14, and the common point between the resistor R26 and the pin 41 of the IC2 is connected with a capacitor C16.
8. The integrated detector for the electronic fan of the automobile of claim 7, wherein: the electronic fan motor driving module comprises MOS (metal oxide semiconductor) tubes Q-Q and Q, triodes Q, diodes D, D and D, resistors R, capacitors C, C and C, wherein the anode of a main motor M is respectively connected with the cathode of the diode D, one end of the capacitor C and the drain electrode of the Mosfet tube Q, the cathode of the main motor M is respectively connected with the anode of the diode D, the drain electrode of the Mosfet tube Q, one end of the resistor R and the drain electrode of the Mosfet tube Q, and the other end of the resistor R is connected with the other end of the capacitor C; the drain of the Mosfet tube Q2 is connected with one end of a capacitor C32 and one end of a resistor R24, the other end of the resistor R24 is respectively connected with one end of a capacitor C13, one end of a resistor R27 and one end of a resistor R28, the other end of the capacitor C32, the other end of the capacitor C13 and the other end of the resistor R27 are respectively grounded, the other end of the resistor R28 is respectively connected with a pin 45 of an IC2 and one end of the capacitor C17, and the other end of the capacitor C17 is grounded; the gate of the Mosfet Q2 is connected with the collector of the triode Q6 through the resistor R23, the emitter of the triode Q6 is grounded, and the base of the triode Q6 is connected with the pin 44 of the IC2 through the resistor R47; the source of the Mosfet tube Q2 is respectively connected with the cathode of the diode D1, one end of the resistor R37, the cathode of the diode D4 and the anode of the auxiliary motor M2, the anode of the diode D1 is connected with the source of the Mosfet tube Q1, the cathode of the auxiliary motor M2 is respectively connected with the anode of the diode D4, one end of the capacitor C18 and the drain of the Mosfet tube Q8, and the other end of the capacitor C18 is connected with the other end of the resistor R37; the drain of the Mosfet tube Q3 is respectively connected with one end of a resistor R44 and one end of a capacitor C28, the other end of the resistor R44 is respectively connected with one end of a capacitor C21, one end of a resistor R48 and one end of a resistor R49, the other end of the capacitor C28, the other ends of the capacitor C21 and the resistor R48 are grounded, the other end of the resistor R49 is respectively connected with one end of a capacitor C22 and a pin 46 of the IC2, and the other end of the capacitor C22 is grounded; the grid of the Mosfet Q3 is respectively connected with one end of a resistor R40 and one end of a resistor R39, the other end of the resistor R40 is grounded, the other end of the resistor R39 is connected with the collector of a triode Q7, the emitter of a triode Q7 is respectively connected with a 13.5V power supply and one end of a resistor R18, the other end of the resistor R18 is respectively connected with one end of R41, the collector of a triode Q5 and the grid of a Mosfet Q1, the base of a triode Q7 is connected with the collector of a triode Q4 through a resistor R79, the emitter of a triode Q4 is grounded, the other end of the resistor R41 is grounded, the base of the triode Q4 is connected with the 4 pin of an IC2 through a resistor R45, and the base of a triode Q5 is connected with the 3 pin of an IC2 through a resistor R46; the drain electrode of the Mosfet tube Q8 is respectively connected with one end of a resistor R75 and one end of a resistor R76 through a resistor R74, the other end of the resistor R76 is grounded, the other end of the resistor R75 is connected with the collector electrode of a triode Q9, the emitter electrode of the triode Q9 is connected with a 13.5V power supply, the base electrode of the triode Q9 is connected with the collector electrode of the triode Q10 through a resistor R77, the emitter electrode of the triode Q10 is grounded, and the base electrode of the triode Q10 is connected with a pin 47 of an IC2 through a resistor R78; one end of the capacitor C29 is connected to the positive electrode of the sub motor M2 and one end of the resistor R38, the other end of the resistor R38 is connected to one end of the capacitor C19, one end of the resistor R42, and one end of the resistor R43, the other end of the capacitor C29, the other end of the capacitor C19, and the other end of the resistor R42 are grounded, the other end of the resistor R43 is connected to one end of the capacitor C20 and the 5-pin of the IC2, and the other end of the capacitor C20 is grounded.
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| CN107436386A (en) * | 2016-05-27 | 2017-12-05 | 长城汽车股份有限公司 | A kind of electric fan detecting system and vehicle front assembly product line body |
| CN106945487B (en) * | 2017-04-06 | 2023-04-11 | 南方英特空调有限公司 | Portable automobile air conditioner air door actuator control instrument |
| CN110126585B (en) * | 2019-05-28 | 2023-01-03 | 上汽通用五菱汽车股份有限公司 | Parameter measurement and control system of automobile air conditioning system |
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