CN202837328U - Checkout equipment for pulse mode automobile speed sensor - Google Patents
Checkout equipment for pulse mode automobile speed sensor Download PDFInfo
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- CN202837328U CN202837328U CN 201220519541 CN201220519541U CN202837328U CN 202837328 U CN202837328 U CN 202837328U CN 201220519541 CN201220519541 CN 201220519541 CN 201220519541 U CN201220519541 U CN 201220519541U CN 202837328 U CN202837328 U CN 202837328U
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Abstract
The utility model relates to checkout equipment for a pulse mode automobile speed sensor. The central processing unit of the checkout equipment for the pulse mode automobile speed sensor control a servo motor by a servo driven unit, wherein the servo motor is provided with an encoder, an input end signal is connected with an output end of the encoder, the servo motor mobilizes an under test speed sensor by a driving belt, an output end of the under test speed sensor is connected to the input end of the central processor unit, the power of the under test speed sensor is supplied by a voltage continuously adjusting output unit, the voltage continuously adjusting output unit is controlled by the central processor unit, the central processor unit is power supplied by the power supply unit, the central processor unit is further connected with the man-machine interactive interface and the printing output device signal. The checkout equipment for the pulse mode automobile speed sensor can simulate all kinds of train running conditions, test the speed sensor under the simulating condition and analyze the sensor output signal, thereby automatically judging whether the current sensor can satisfy the regular working requirement.
Description
Technical field
The utility model belongs to the special electronic deice detection device, is specifically related to a kind of checkout equipment for the impulse type vehicle speed sensor.
Background technology
Along with expanding economy, increasing train is traveling on the railway, and because of the singularity of rail running, driver and control center need to understand in real time the gait of march value of train, and the Obtaining Accurate of train real-time speed depends on the speed pickup that is installed on the wheel.In order to prevent in the operational process causing the driver and conductor to the erroneous judgement of train present speed because of inefficacy or the damage of speed pickup, need regularly speed pickup to be safeguarded and detected, in time scent a hidden danger.
Summary of the invention
The utility model provides a kind of checkout equipment for the impulse type vehicle speed sensor for the deficiencies in the prior art.
The technical scheme that the utility model technical solution problem is taked is:
A kind of checkout equipment for the impulse type vehicle speed sensor comprises human-computer interaction interface, power supply unit, servo drive unit, the continuous regulated power supply output unit of voltage, print out equipment, central processing unit, servomotor.Central processing unit is controlled servomotor by servo drive unit, servomotor carries scrambler, the output terminal of scrambler is connected with the input end signal of central processing unit, servomotor drives speed pickup to be measured by mechanical drive, the output terminal of speed pickup to be measured is connected with the input end signal of central processing unit, speed pickup to be measured is by the continuous regulated power supply output unit power supply of voltage, the continuous regulated power supply output unit of voltage is controlled by central processing unit, central processing unit is powered by power supply unit, central processing unit also with human-computer interaction interface, the print out equipment signal connects.
The beneficial effects of the utility model: the utility model can be simulated various train operation situations, and under simulated conditions speed pickup is tested, and sensor output signal is analyzed, and automatic decision is worked as front sensor and whether satisfied the normal operation requirement.
Description of drawings
Fig. 1 is the utility model structural representation.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, the utility model comprises human-computer interaction interface, power supply unit 1, servo drive unit 9, the continuous regulated power supply output unit 10 of voltage, print out equipment 6, central processing unit 2, servomotor 11.Central processing unit 2 is by servo drive unit 9 control servomotors 11, servomotor 11 carries scrambler 13, the output terminal of scrambler 13 is connected with the input end signal of central processing unit 2, servomotor 11 drives speed pickup 12 to be measured by mechanical drive, the output terminal of speed pickup 12 to be measured is connected with the input end signal of central processing unit 2, speed pickup 12 to be measured is by continuous regulated power supply output unit 10 power supplies of voltage, the continuous regulated power supply output unit 10 of voltage is by central processing unit 2 controls, central processing unit 2 is by power supply unit 1 power supply, central processing unit also with human-computer interaction interface, print out equipment 6, storer 5 signals connect, and central processing unit 2 also can peripheral hardware display screen 3.
Man-machine interface in the present embodiment is comprised of push-button array 4 and liquid crystal display 7, and under screen prompt, by keyboard operation, logining of menu of realization published, and function is selected, the character input, and liquid crystal display 7 all right external printers 8 are as long-range output device.
Electric machine speed regulation in the present embodiment adopts independent AC servo and drive system, by the pwm pulse modulation technique, can realize the accurate speed governing of motor.By the code-wheel that the servomotor axle head is installed, can calculate when the real-time speed of front motor and to driving signal and proofread and correct, so that motor speed is accurate and steady.
The signal sampling of the speed pickup to be measured in the present embodiment adopts the high-speed multiple channel sampling A/D chip, realizes the real-time synchronization signals collecting of the many signalling channels of sensor.
Special-purpose voltage-stabilizing output circuit is adopted in the continuous regulated power supply output unit power supply of voltage in the present embodiment, the required stable voltage of link is respectively tested in output, and the working sensor loop current carried out Real-Time Monitoring, cut off the electricity supply immediately after noting abnormalities loop and outputting alarm information.
Print out equipment in the present embodiment adopts embedded thermal printer.
The course of work of the present utility model is as follows:
1. by manual entry, perhaps online rear computing machine issues mode, and sensor model number and parameter list thereof are stored in the equipment.
2. set environment analog parameter, the input analog wheel directly is worth, test minimum speed value, top speed value, the speed step value of each speed governing, and the test parameter such as pattern manually or automatically.
3. equipment directly is worth and current analog rate point according to default analog wheel, calculates corresponding motor speed value, then by servo drive unit, stabilization of speed is controlled at the target velocity point.
4. according to sensor model number information, the minimum operational voltage value of read sensor, rated operational voltage value and maximum operating voltage value, equipment is adjusted successively self voltage stabilizing and is outputed to above-mentioned magnitude of voltage, then under these supply voltages, each output channel signal of sensor is carried out voltage amplitude, dutycycle, every circle umber of pulse, the interchannel phase differential of adjacent signals scans.
5. after all setting speed points are completed, process according to the data that collect, obtain the voltage amplitude average of each output channel signal of sensor, duty cycle range, every circle number of pulses, and the signal phase difference scope between adjacency channel are carried out matching detection with measured value and nominal value corresponding to model, whether be included in the nominal range according to measured value, whether front sensor is worked as in judgement working properly.
6. preserve test data and judge conclusion, can dump to USB flash disk or send to computing machine by Serial Port Line.
Claims (1)
1. checkout equipment that is used for the impulse type vehicle speed sensor, comprise human-computer interaction interface, power supply unit, servo drive unit, the continuous regulated power supply output unit of voltage, print out equipment, central processing unit, servomotor, it is characterized in that: central processing unit is controlled servomotor by servo drive unit, servomotor carries scrambler, the output terminal of scrambler is connected with the input end signal of central processing unit, servomotor drives speed pickup to be measured by mechanical drive, the output terminal of speed pickup to be measured is connected with the input end signal of central processing unit, and speed pickup to be measured is by the continuous regulated power supply output unit power supply of voltage, and the continuous regulated power supply output unit of voltage is controlled by central processing unit, central processing unit is powered by power supply unit, central processing unit also with human-computer interaction interface, the print out equipment signal connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220519541 CN202837328U (en) | 2012-10-11 | 2012-10-11 | Checkout equipment for pulse mode automobile speed sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220519541 CN202837328U (en) | 2012-10-11 | 2012-10-11 | Checkout equipment for pulse mode automobile speed sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202837328U true CN202837328U (en) | 2013-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220519541 Expired - Lifetime CN202837328U (en) | 2012-10-11 | 2012-10-11 | Checkout equipment for pulse mode automobile speed sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202837328U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103604951A (en) * | 2013-10-30 | 2014-02-26 | 湖北汽车工业学院 | Vehicle-speed-signal measurement method of vehicle-speed sensor and measurement and control system thereof |
| CN104730290A (en) * | 2015-03-26 | 2015-06-24 | 苏州朗博校准检测有限公司 | Calibrating method for pull rod speed sensor |
| CN104931731A (en) * | 2015-06-12 | 2015-09-23 | 西安理工大学 | Method for detecting quality of locomotive electric eddy current velocity sensing pulse generator |
| CN107246882A (en) * | 2017-06-29 | 2017-10-13 | 卡斯柯信号有限公司 | Coding odometer detection means and method based on servo control technique |
| CN107450532A (en) * | 2017-07-06 | 2017-12-08 | 杭叉集团股份有限公司 | It is a kind of based on PLC tiered warehouse facility AGV cars |
| CN108151795A (en) * | 2016-12-02 | 2018-06-12 | Abb瑞士股份有限公司 | For the method and system of configuration status monitoring device |
| CN108508237A (en) * | 2018-04-11 | 2018-09-07 | 航天科技控股集团股份有限公司 | Detection device that is a kind of while detecting multiple vehicle speed sensor |
| CN110501523A (en) * | 2019-08-26 | 2019-11-26 | 中国铁道科学研究院集团有限公司 | A kind of locomotive velocity measuring distance-measuring equipment fault detection system and method |
| CN113570745A (en) * | 2021-07-14 | 2021-10-29 | 河南金芯数联电子科技有限公司 | CPR feedback pad test system and test method |
-
2012
- 2012-10-11 CN CN 201220519541 patent/CN202837328U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103604951A (en) * | 2013-10-30 | 2014-02-26 | 湖北汽车工业学院 | Vehicle-speed-signal measurement method of vehicle-speed sensor and measurement and control system thereof |
| CN104730290A (en) * | 2015-03-26 | 2015-06-24 | 苏州朗博校准检测有限公司 | Calibrating method for pull rod speed sensor |
| CN104931731A (en) * | 2015-06-12 | 2015-09-23 | 西安理工大学 | Method for detecting quality of locomotive electric eddy current velocity sensing pulse generator |
| CN104931731B (en) * | 2015-06-12 | 2018-04-27 | 西安理工大学 | A kind of method for detecting locomotive current vortex velocity pick-up impulse generator quality |
| CN108151795A (en) * | 2016-12-02 | 2018-06-12 | Abb瑞士股份有限公司 | For the method and system of configuration status monitoring device |
| CN107246882A (en) * | 2017-06-29 | 2017-10-13 | 卡斯柯信号有限公司 | Coding odometer detection means and method based on servo control technique |
| CN107246882B (en) * | 2017-06-29 | 2023-04-11 | 卡斯柯信号有限公司 | Encoding odometer detection device and method based on servo control technology |
| CN107450532A (en) * | 2017-07-06 | 2017-12-08 | 杭叉集团股份有限公司 | It is a kind of based on PLC tiered warehouse facility AGV cars |
| CN108508237A (en) * | 2018-04-11 | 2018-09-07 | 航天科技控股集团股份有限公司 | Detection device that is a kind of while detecting multiple vehicle speed sensor |
| CN110501523A (en) * | 2019-08-26 | 2019-11-26 | 中国铁道科学研究院集团有限公司 | A kind of locomotive velocity measuring distance-measuring equipment fault detection system and method |
| CN113570745A (en) * | 2021-07-14 | 2021-10-29 | 河南金芯数联电子科技有限公司 | CPR feedback pad test system and test method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130327 |