CN106353681B - Automobile motor and speed changer sensor detection equipment - Google Patents
Automobile motor and speed changer sensor detection equipment Download PDFInfo
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- CN106353681B CN106353681B CN201611000744.9A CN201611000744A CN106353681B CN 106353681 B CN106353681 B CN 106353681B CN 201611000744 A CN201611000744 A CN 201611000744A CN 106353681 B CN106353681 B CN 106353681B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
- G01R31/343—Testing dynamo-electric machines in operation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D18/00—Testing or calibrating apparatus or arrangements provided for in groups G01D1/00 - G01D15/00
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- General Physics & Mathematics (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Control Of Electric Motors In General (AREA)
Abstract
The invention discloses a portable automobile motor and transmission sensor detection device, which is used for collecting and transmitting signals of an automobile motor and/or transmission sensor, a signal conditioner is used for conditioning the signals transmitted by the collector, the conditioned signals are provided for a data converter, the data converter is used for carrying out A/D conversion on the signals provided by the signal conditioner and then transmitting the signals to a controller, the controller is used for sending out an execution excitation instruction for exciting the automobile motor and/or transmission sensor to operate under different conditions to the exciter in an initial stage, and the exciter is used for carrying out operation under different conditions according to the execution excitation instruction, exciting the automobile motor and/or transmission sensor and feeding back the operation information to the controller, and the controller is used for comparing the operation information with the execution excitation instruction sent by the operation information and then outputting the next execution excitation instruction after confirming that the execution excitation instruction is correct.
Description
Technical Field
The invention relates to automobile electrical equipment detection equipment, in particular to automobile motor and transmission sensor detection equipment.
Background
The automobile motor is an important part in an automobile, and whether technical parameters are qualified or not directly influences the using function and effect. The automobile has more motors, including a starting motor, a generator, a clutch motor, a gear shifting motor and the like. These motors are tested in a manufacturer and are provided to an automobile manufacturer or sold to the market after being qualified. The automobile manufacturer performs on-line test during assembly and determines whether the automobile is qualified.
The transmission sensor is also an important part in the automobile, and whether technical parameters are qualified or not directly influences the using function and effect. Transmission sensor sensors are tens of types including pressure, temperature, displacement, speed and angle sensors, etc. The transmission sensor is detected by the manufacturer and the automobile manufacturer to determine whether the transmission sensor is qualified.
At present, the automobile motor and transmission sensor detection equipment adopted by manufacturing enterprises comprises a driving power supply, a loading system, a testing system, a mounting mechanism and the like, wherein the volume of the driving power supply is about 0.4 cubic meter, the weight of the driving power supply is more than 60 kilograms, the testing system and the loading system comprise a loading motor, a driver, a computer and the like, the volume of a control cabinet for controlling the loading system is about 1 cubic meter, the weight of the driving motor and the loading system is more than 90 kilograms, the volume of the mounting mechanism is about 1 cubic meter, the weight of the mounting mechanism is more than 100 kilograms, and the driving motor and the loading system are large and heavy, so that the driving motor and the loading system cannot be carried about and used on vehicles and in the wild. Meanwhile, at present, the automobile motor and transmission sensor detection equipment adopted by manufacturing enterprises is designed according to conventional detection standards, and is mainly used for repeated test with great testing workload, high-reliability test, sub-experiment detection and conventional detection; the factory detection of the automobile motor and the transmission sensor is to detect each finished product according to the conventional standard, and can intuitively reflect certain performances of the detected automobile motor and transmission sensor. However, it is not possible to detect and determine signals such as intermittent signals and transient signals output by the motor and the sensor of the transmission of the automobile under different operating conditions including severe application environments, unstable power supply, electromagnetic interference, overload, long-time movement and the like, and particularly, when analyzing the process of the problems occurring after the motor and the sensor of the automobile are used, only part of the real reasons of the problems can be analyzed, the operation states of the motor and/or the sensor of the transmission of the automobile under different conditions cannot be analyzed in the frequency domain, the time rate and the like, the process of the problems occurring in the motor and/or the sensor of the automobile after the motor and the sensor of the transmission are used cannot be completely reproduced, and all the real reasons of the problems occurring are analyzed, so that various problems are inconvenient and purposeful solved.
Disclosure of Invention
The invention aims to solve the technical problem of providing the detection equipment for the automobile motor and the speed changer sensor, which is convenient to carry, can detect the automobile motor and the speed changer sensor in a laboratory and an automobile and in the field, and can determine whether the automobile motor and the speed changer sensor are normal or not.
Therefore, the invention adopts the following technical scheme;
an automobile motor and transmission sensor detection device is characterized in that: comprises a collector, a signal conditioner, a data converter, a controller and an exciter,
the collector is used for collecting and transmitting signals of the automobile motor and/or the transmission sensor,
the signal conditioner is used for receiving the signals transmitted by the collector and conditioning the signals, and then providing the conditioned signals to the data converter,
the data converter is used for collecting the signals provided by the signal conditioner, performing A/D conversion (namely analog-digital conversion, the same applies hereinafter) and then transmitting the signals to the controller,
the controller is used for sending an execution excitation command for exciting the motor of the automobile and/or the transmission sensor to operate under different conditions to the exciter in the initial stage,
the exciter is used for receiving the execution excitation instruction sent by the controller, exciting the automobile motor and/or the transmission sensor to operate under different conditions according to the execution excitation instruction, feeding back the operation information to the controller, comparing the operation information with the execution excitation instruction sent by the controller, sending out the next execution excitation instruction after confirming that the execution excitation instruction is correct,
the controller is also used for receiving various signals after the A/D conversion of the data converter, carrying out time domain, frequency domain and time-frequency analysis, comparison, judgment and calculation processing on the various signals and the set signals conforming to the normal range, determining whether the signals are in the normal range, and statistically storing the results of the analysis, comparison, judgment and calculation processing to form a test report.
Preferably, the collector comprises a current sensor, a voltage sensor, an acceleration sensor and a temperature sensor, wherein the current sensor collects and transmits current signals of the collected automobile motor and/or transmission sensor to the signal conditioner, the voltage sensor collects and transmits voltage signals of the collected automobile motor and/or transmission sensor to the signal conditioner, the acceleration sensor collects and transmits acceleration signals of the collected automobile motor and/or transmission sensor to the signal conditioner, and the temperature sensor collects and transmits temperature signals of the collected automobile motor and/or transmission sensor to the signal conditioner.
Preferably, the signal conditioner comprises an input interface, a signal amplifying circuit, an amplifying gain selecting circuit, an amplifying signal isolating circuit, a signal filtering circuit, a signal output circuit,
the current sensor, the voltage sensor, the acceleration sensor and the temperature sensor of the collector respectively transmit the collected signals to the signal amplifying circuit through the input interface of the signal conditioner,
the signal amplifying circuit is used for receiving the signal transmitted by the input interface, amplifying the signal according to the signal amplification times set by the gain selecting circuit and transmitting the amplified signal to the amplifying signal isolating circuit,
the amplifying signal isolating circuit is used for isolating the signal amplified by the signal amplifying circuit and transmitting the isolated signal to the signal filtering circuit,
the signal filtering circuit is used for carrying out high-low pass filtering on the signal isolated by the amplified signal isolating circuit and providing the signal after high-low pass filtering to the signal output circuit,
the signal output circuit is used for receiving the high-low pass filtered signal provided by the signal filtering circuit and providing the signal to the data converter.
Preferably, the data converter includes a pre-differential amplifier, an analog-to-digital flip-flop, an a/D converter (i.e., analog-to-digital converter, the same below), a data buffer,
the pre-differential amplifier is used for receiving the signal provided by the signal output circuit of the conditioning circuit, amplifying the tiny signal in the signal and providing the amplified signal to the A/D converter,
the A/D converter is used for receiving the amplified signals provided by the pre-differential amplifier, converting the signals into digital signals under the triggering action of the analog-digital trigger and storing the digital signals into the data buffer area,
the data buffer area is used for temporarily storing the digital signals stored in the A/D converter and transmitting the digital signals to the controller through the Ethernet.
Preferably, the controller is a notebook computer.
Preferably, the exciter comprises a power supply and an automobile controller, wherein the automobile controller is used for receiving an execution excitation instruction sent by the controller in an initial stage and controlling electric energy output by the power supply according to the execution excitation instruction, so that the automobile motor and/or the transmission sensor can operate under different conditions, and meanwhile, signals of operating states of the automobile motor and/or the transmission sensor under different conditions are fed back to the controller.
Preferably, the power source of the exciter is a storage battery or a 12-volt switching power source or a programmable power source, and the automobile controller is a TCU or an ECU.
Preferably, the current sensor and the voltage sensor in the collector are hall effect voltage sensors, the acceleration sensor IEPE type piezoelectric accelerometer and the temperature sensor are thermocouple K type sensors.
Preferably, the automobile motor and transmission sensor comprises a starting motor, a generator, a clutch motor, a gear shifting motor, an EPS motor, a wiper motor and temperature sensor, an angle sensor, an angular velocity sensor, a pressure sensor, a current sensor and a displacement sensor on the automobile.
Preferably, the transmission includes an AMT transmission and a DCT transmission.
The invention has the following beneficial effects;
since the invention includes the collector, the signal conditioner, the data converter, the controller and the exciter. Therefore, compared with the detection equipment of the automobile motor and the sensor adopted by the current manufacturing enterprises, the invention has the advantages of small size, portability and capability of conveniently detecting the automobile motor and/or the sensor of the speed changer after loading in a laboratory and an automobile and in the field to determine whether the automobile motor and/or the sensor of the speed changer is normal or not. The controller is also used for receiving various signals after the A/D conversion of the data converter, carrying out time domain, frequency domain and time-frequency analysis, comparison, judgment and calculation processing on the signals and the signals which are set to accord with the normal range, determining whether the signals are in the normal range, and statistically storing the results of the analysis, comparison, judgment and calculation processing to form a test report. Therefore, the method can analyze the running states of the automobile motor and/or the transmission sensor under different conditions in frequency domain, time rate and the like, fully reproduce the processes of the problems of the automobile motor and/or the transmission sensor after the automobile is loaded and used, and analyze all true causes of the problems so as to solve the problems in a targeted manner.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of the structure of the harvester;
FIG. 3 is a schematic diagram of the structure of a signal conditioner;
FIG. 4 is a schematic diagram of a data converter;
fig. 5 is a schematic structural view of the actuator.
Detailed Description
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1, the detection device for the motor and the sensor of the transmission of the present invention comprises a collector 10, a signal conditioner 20, a data converter 30, a controller 40 and an exciter 50, wherein the collector 10 is used for collecting and transmitting signals of current, voltage, rotation speed, torque, magnetic flux, mechanical vibration, harmonic wave, rotation angle, starting time and the like of the motor of the automobile, or is used for collecting and transmitting signals of current, voltage, rotation speed, torque, magnetic flux, mechanical vibration, harmonic wave, rotation angle, starting time and the like of the motor of the automobile and signals of temperature, pressure, displacement, angle, current, rotation speed and the like of the sensor of the transmission, or is used for collecting and transmitting signals of temperature, pressure, displacement, angle, current, rotation speed and the like of the sensor of the transmission, the signal conditioner 20 is used for receiving and conditioning the signals transmitted by the collector 10, the conditioned signal is then provided to a data converter 30, the data converter 30 is configured to a/D convert (i.e., analog-to-digital convert, the same applies hereinafter) the signal provided by the signal conditioner 20 and then transmit the signal to a controller 40, the controller 40 is configured to send an execution excitation command to the exciter 50 to excite the automobile motor, or the automobile motor and the transmission sensor, or the transmission sensor to operate under different conditions (including under severe application environments, unstable power supply and electromagnetic interference, overload, long-time motion, etc.) at an initial stage, the exciter 50 is configured to receive the execution excitation command sent by the controller 40 and to operate under different conditions according to the execution excitation command, excitation automobile motor, or the automobile motor and the transmission sensor, and the controller 40 compares the operation information with the execution excitation command sent by the controller 40, confirms that the execution excitation command is correct, and then sends out the next execution excitation command, the controller 40 is also used for receiving various signals after the data converter 30 performs a/D conversion (i.e. analog-digital conversion, the same applies hereinafter), and performing time domain, frequency domain, time frequency analysis, comparison, judgment and calculation processing on the various signals and the set signals conforming to the normal range, determining whether the signals are in the normal range, statistically storing the results of the analysis, comparison, judgment and calculation processing, and forming a test report. Thus, since the present invention includes the collector 10, the signal conditioner 20, the data converter 30, the controller 40, and the actuator 50. Therefore, compared with the automobile motor and sensor detection equipment adopted by the current manufacturing enterprises, the invention has the advantages of small size, portability and convenience for detecting the automobile motor, the automobile motor and the transmission sensor or the transmission sensor after loading in a laboratory and an automobile and in the wild, and determining whether the detection of the automobile motor, the automobile motor and the transmission sensor or the transmission sensor is normal or not. Because the controller 40 in the present invention is further configured to receive various signals after a/D conversion by the data converter 30, and perform time domain, frequency domain, time-frequency analysis, comparison, judgment and calculation processing on the signals and the set signals conforming to the normal range, determine whether the signals are within the normal range, and statistically store the results of the analysis, comparison, judgment and calculation processing, so as to form a test report. Therefore, the invention can analyze the running states of the automobile motor, the automobile motor and the speed changer sensor, or the speed changer sensor under different conditions in frequency domain, time rate and the like, fully reappear the processes of the automobile motor, the automobile motor and the speed changer sensor, or the speed changer sensor after the automobile is used, and analyze all real reasons of the problems, so as to be capable of solving various problems in a targeted way.
Referring to the schematic structural diagram of the collector 10 shown in fig. 2, it can be seen from fig. 2 that the collector 10 includes a current sensor 11, a voltage sensor 12, an acceleration sensor 13 and a temperature sensor 14, the current sensor 11 collects and transmits a current signal of the collected motor, the collected motor and the transmission sensor, or the transmission sensor to the signal conditioner 20, the voltage sensor 12 collects and transmits a voltage signal of the collected motor, the collected motor and the transmission sensor, or the transmission sensor to the signal conditioner 20, the acceleration sensor 13 collects and transmits an acceleration signal of the collected motor, the collected motor and the transmission sensor, or the transmission sensor to the signal conditioner 20, and the temperature sensor 14 collects and transmits a temperature signal of the collected motor, the collected motor and the transmission sensor, or the transmission sensor to the signal conditioner 20. This results in a simpler structure of the collector 10 and a more comprehensive and reliable detection function and performance, and in a simpler overall structure of the invention and a more comprehensive and reliable detection function and performance.
Referring to the schematic structure of the signal conditioner 20 shown in fig. 3, as can be seen from fig. 3, the signal conditioner 20 includes an input interface 21, a signal amplifying circuit 22, an amplifying gain selecting circuit 23, an amplifying signal isolating circuit 24, a signal filtering circuit 25, and a signal output circuit 26, wherein the current sensor 11, the voltage sensor 12, the acceleration sensor 13, and the temperature sensor 14 of the collector 10 respectively transmit the collected signals to the signal amplifying circuit 22 through the input interface 21 of the signal conditioner 20, the signal amplifying circuit 22 is configured to receive the signals transmitted by the input interface 21 and amplify the signals according to the signal amplification factor set by the gain selecting circuit 23 (i.e. the gain selecting circuit 23 selects the small signals to have a large amplification factor and the slightly larger signal to have a small amplification factor), the amplifying signal isolating circuit 24 is configured to isolate the signals amplified by the signal amplifying circuit 22 and transmit the isolated signals to the signal filtering circuit 25, the signal filtering circuit 25 is configured to filter the signals isolated by the amplifying circuit 24 at a high pass and low pass and provide the signals to the low pass signals and the low pass signals 26 after the signals are provided to the low pass signals and the low pass signals are provided to the low pass signals 30. This makes the construction of the signal conditioner 20 relatively simple and reliable to use. For example, the signal filter circuit 25 is capable of preventing external interference, making the use of the signal conditioner 20 more reliable, and making the overall use of the present invention more reliable. Meanwhile, the signal conditioner 20 is relatively comprehensive in function and performance, and the function and performance of the present invention are also relatively comprehensive.
Referring to the schematic structure of the data converter 30 shown in fig. 4, it can be seen from fig. 4 that the data converter 30 includes a pre-differential amplifier 31, an analog-digital trigger 32, an a/D converter (i.e., an analog-digital converter, hereinafter referred to as an analog-digital converter) 33, and a data buffer 34, where the pre-differential amplifier 31 is configured to receive the signal provided by the signal output circuit 26 of the conditioning circuit 20, amplify the signal provided by the signal output circuit, and provide the amplified signal to the a/D converter 33, and the a/D converter 33 is configured to convert the signal provided by the pre-differential amplifier 31 into a digital signal under the triggering action of the analog-digital trigger 32, and store the digital signal in the data buffer 34, where the data buffer 34 is configured to temporarily store the digital signal stored in the a/D converter 33 and transmit the digital signal to the controller 40 via the ethernet. This results in a relatively simple structure and high accuracy of use of the data converter 30, and thus, a high overall accuracy of use of the present invention.
The controller 40 is a notebook computer. This allows the controller 40 to be lightweight, simple in construction, fully functional, reliable in performance, and portable, as well as the overall invention to be lightweight and portable.
Referring to the schematic structural diagram of the exciter shown in fig. 5, as can be seen from fig. 5, the exciter 50 includes a power source 51 and a vehicle controller 52, and the vehicle controller 52 is configured to receive an execution excitation command sent by the controller 40 in an initial stage and control electric energy output by the power source 51 according to the execution excitation command, so as to operate the vehicle motor, or the vehicle motor and the transmission sensor, or the transmission sensor under different conditions, and simultaneously feed back signals of the vehicle motor, or the vehicle motor and the transmission sensor, or the transmission sensor under different conditions to the controller 40. This makes the structure of the actuator 50 relatively simple and reliable to use.
The power source 51 of the exciter 50 is a battery or a 12 volt switching power source or a programmable power source, and the vehicle controller 52 is a TCU (i.e., a transmission controller, hereinafter the same) or an ECU (i.e., an engine controller, hereinafter the same). This makes the construction of the exciter 50 simpler and more reliable to use and makes it more convenient to use in the field or in a laboratory for automobiles, respectively, when the power source 51 employed in the present invention is a battery or a 12 volt switching power source.
The current sensor 11 and the voltage sensor 12 in the collector 10 are hall effect voltage sensors, the acceleration sensor 13 is an IEPE type piezoelectric accelerometer, and the temperature sensor 14 is a thermocouple K type sensor. This results in a simpler construction of the actuator 50 and a more complete and functional and better performance.
The automobile motor and transmission sensor comprises a starting motor, a generator, a clutch motor, a gear shifting motor, an EPS motor, a wiper motor, a temperature sensor, an angle sensor, an angular velocity sensor, a pressure sensor, a current sensor and a displacement sensor which are arranged on the automobile. Therefore, the invention has wider application range.
The transmission includes an AMT transmission and a DCT transmission. Therefore, the invention has wider application range.
The working principle of the invention is as follows, taking a detection starting motor as an example;
the collector 10 is connected in series in a power supply line of the starting motor, an execution excitation instruction for exciting the starting motor to operate under different conditions is sent to the exciter 50 through the controller 40, the exciter 50 excites the starting motor to operate under different conditions according to the execution excitation instruction and feeds back information of the starting motor operating under different conditions to the controller 40, the controller 40 compares the information with the sent execution excitation instruction, after confirming that the execution excitation instruction is correct, the execution excitation instruction for exciting the starting motor to operate under different conditions is sent to the exciter 50, then the next execution excitation instruction is sent, the collector 10 collects signals of the starting motor and transmits the signals to the signal conditioner 20, the signal conditioner 20 transmits the conditioned signals to the data converter 30, the data converter 30 converts the signals conditioned by the signal conditioner 20 into digital signals and transmits the digital signals to the controller 40, the controller 40 performs time domain, frequency domain and time frequency analysis and calculation processing on the digital signals, the power time curve, the current time curve, the voltage time curve and the rotating speed time curve before and after starting the starting motor are analyzed and calculated, whether the power time curve, the current time curve, the voltage time curve and the rotating speed time curve before and after starting are in a normal range or not is determined, and the results of storage analysis, comparison and judgment are counted to form a test report.
The invention is not described in detail in the prior art. For example, the signal amplifying circuit 22 in the signal conditioner 20 is an integrated operational signal amplifying circuit, and includes a general-purpose integrated operational signal amplifying circuit, a high-precision integrated operational signal amplifying circuit, a high-speed integrated operational signal amplifying circuit, a high-input impedance integrated operational signal amplifying circuit, and the like. Also for example, the signal filter circuit 25 in the signal conditioner 20 may be a conventional passive filter circuit and an active filter circuit. The passive filter circuit may be a capacitive filter circuit, an inductive filter circuit, and a duplex filter circuit (including an inverted-L type, an LC filter circuit, etc.). The active filter circuit may be an active RC filter circuit including a high pass filter, a low pass filter, a band reject filter, and the like. For example, the amplified signal isolation circuit 24 in the signal conditioner 20 may be a transformer isolation circuit, a photoelectric isolation circuit, a capacitance isolation circuit, or the like. For example, the signal output circuit 26 in the signal conditioner 20 may be a voltage-to-current conversion circuit (including a floating load voltage-to-current conversion circuit, a ground load voltage-to-current conversion circuit, a differential voltage-to-current conversion circuit, and the like), a voltage-to-frequency (U/F) conversion circuit, a current-to-voltage conversion circuit, an ac-to-dc conversion circuit, or the like.
While the preferred embodiments of the present invention have been described in detail with reference to the drawings, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (10)
1. An automobile motor and transmission sensor detection device is characterized in that: comprises a collector (10), a signal conditioner (20), a data converter (30), a controller (40) and an exciter (50),
the collector (10) is used for collecting and transmitting signals of a motor and/or a transmission sensor of the automobile,
the signal conditioner (20) is used for receiving the signals transmitted by the collector (10), conditioning the signals and providing the conditioned signals to the data converter (30),
the data converter (30) is used for collecting the signals provided by the signal conditioner (20) and transmitting the signals to the controller (40) after A/D conversion,
the controller (40) is used for sending out an execution excitation instruction for exciting the automobile motor, or the automobile motor and the transmission sensor or the transmission sensor to the exciter (50) in the initial stage under different conditions including severe application environment, unstable power supply, electromagnetic interference, overload and long-time movement, the exciter (50) is used for receiving the execution excitation instruction sent out by the controller (40) and according to the execution excitation instruction, exciting the automobile motor, or the automobile motor and the transmission sensor or the transmission sensor to operate under different conditions and feeding back the operation information to the controller (40), the controller (40) compares the operation information with the execution excitation instruction sent out by the controller, and after confirming that the execution excitation instruction is correct, the next execution excitation instruction is sent out,
the controller (40) is also used for receiving various signals after the A/D conversion of the data converter (30), carrying out time domain, frequency domain and time frequency analysis, comparison, judgment and calculation processing on the various signals and the set signals conforming to the normal range, determining whether the signals are in the normal range, and statistically storing the results of the analysis, comparison, judgment and calculation processing to form a test report.
2. The automobile motor and transmission sensor detection apparatus according to claim 1, characterized in that: the collector (10) comprises a current sensor (11), a voltage sensor (12), an acceleration sensor (13) and a temperature sensor (14), wherein the current sensor (11) collects and transmits current signals of the collected automobile motor and/or transmission sensor to the signal conditioner (20), the voltage sensor (12) collects and transmits voltage signals of the collected automobile motor and/or transmission sensor to the signal conditioner (20), the acceleration sensor (13) collects and transmits acceleration signals of the collected automobile motor and/or transmission sensor to the signal conditioner (20), and the temperature sensor (14) collects and transmits temperature signals of the collected automobile motor and/or transmission sensor to the signal conditioner (20).
3. The automobile motor and transmission sensor detection apparatus according to claim 2, characterized in that: the signal conditioner (20) comprises an input interface (21), a signal amplifying circuit (22), an amplifying gain selecting circuit (23), an amplifying signal isolating circuit (24), a signal filtering circuit (25) and a signal output circuit (26),
the current sensor (11), the voltage sensor (12), the acceleration sensor (13) and the temperature sensor (14) of the collector (10) respectively transmit collected signals to the signal amplifying circuit (22) through the input interface (21) of the signal conditioner (20),
the signal amplifying circuit (22) is used for receiving the signal transmitted by the input interface (21), amplifying the signal according to the signal amplification times set by the gain selecting circuit (23) and transmitting the amplified signal to the amplified signal isolating circuit (24),
the amplified signal isolation circuit (24) is used for isolating the signal amplified by the signal amplification circuit (22) and transmitting the isolated signal to the signal filtering circuit (25),
the signal filter circuit (25) is used for carrying out high-low pass filtering on the signal isolated by the amplified signal isolation circuit (24) and providing the signal after the high-low pass filtering to the signal output circuit (26),
the signal output circuit (26) is used for receiving the high-low pass filtered signal provided by the signal filtering circuit (25) and providing the signal to the data converter (30).
4. A motor vehicle and transmission sensor testing apparatus as claimed in claim 3, wherein: the data converter (30) comprises a pre-differential amplifier (31), an analog-digital flip-flop (32), an A/D converter (33), a data buffer (34),
the pre-differential amplifier (31) is used for receiving the signal provided by the signal output circuit (26) of the signal conditioner (20) and amplifying the tiny signal in the signal and providing the amplified tiny signal to the A/D converter (33),
the A/D converter (33) is used for receiving the amplified signal provided by the pre-differential amplifier (31), converting the signal into a digital signal under the triggering action of the analog-digital trigger (32) and storing the digital signal into the data buffer (34),
the data buffer (34) is used for temporarily storing the digital signals stored in the A/D converter (33) and transmitting the digital signals to the controller (40) through the Ethernet.
5. The automobile motor and transmission sensor detection apparatus according to claim 4, wherein: the controller (40) is a notebook computer.
6. The automobile motor and transmission sensor detection apparatus according to claim 5, wherein: the exciter (50) comprises a power supply (51) and an automobile controller (52), wherein the automobile controller (52) is used for receiving an execution excitation instruction sent by the controller (40) at an initial stage and controlling electric energy output by the power supply (51) according to the execution excitation instruction, so that an automobile motor and/or a transmission sensor can operate under different conditions, and meanwhile signals of the automobile motor and/or the transmission sensor in operation states under different conditions are fed back to the controller (40).
7. The automobile motor and transmission sensor detection apparatus according to claim 6, wherein: the power supply (51) of the exciter (50) is a storage battery or a 12-volt switching power supply or a programmable power supply, and the automobile controller (52) is a TCU or an ECU.
8. The automobile motor and transmission sensor detection apparatus according to any one of claims 2 to 7, characterized in that: the current sensor (11) and the voltage sensor (12) in the collector (10) are Hall effect voltage sensors, the acceleration sensor (13) is an IEPE piezoelectric accelerometer, and the temperature sensor (14) is a thermoelectric corner K type sensor.
9. The automobile motor and transmission sensor detection apparatus according to claim 8, characterized in that: the automobile motor and transmission sensor comprises a starting motor, a generator, a clutch motor, a gear shifting motor, an EPS motor, a wiper motor, a temperature sensor, an angle sensor, an angular velocity sensor, a pressure sensor, a current sensor and a displacement sensor which are arranged on the automobile.
10. The automobile motor and transmission sensor detection apparatus according to claim 9, characterized in that: the transmission includes an AMT transmission and a DCT transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611000744.9A CN106353681B (en) | 2016-11-14 | 2016-11-14 | Automobile motor and speed changer sensor detection equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611000744.9A CN106353681B (en) | 2016-11-14 | 2016-11-14 | Automobile motor and speed changer sensor detection equipment |
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| CN106353681A CN106353681A (en) | 2017-01-25 |
| CN106353681B true CN106353681B (en) | 2023-07-21 |
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| CN107228687B (en) * | 2017-06-01 | 2019-09-10 | 广州汽车集团股份有限公司 | The integrated detecting device and detection method of sensor |
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| CN109031121A (en) * | 2018-09-06 | 2018-12-18 | 安徽安凯汽车股份有限公司 | A kind of new energy vehicle driving motor in-circuit diagnostic system |
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