CN202693345U - Testing device of track axle counting sensor - Google Patents
Testing device of track axle counting sensor Download PDFInfo
- Publication number
- CN202693345U CN202693345U CN 201220368539 CN201220368539U CN202693345U CN 202693345 U CN202693345 U CN 202693345U CN 201220368539 CN201220368539 CN 201220368539 CN 201220368539 U CN201220368539 U CN 201220368539U CN 202693345 U CN202693345 U CN 202693345U
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- track axle
- count sensor
- motor
- central processing
- processing unit
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Abstract
The utility model discloses a testing device of a track axle counting sensor. The testing device comprises a central processing unit, an information input module, a driving device, a motor and a motor coaxial rotating body, wherein the information input module is connected with an information input end of the central processing unit; the driving device is connected with a signal output end of the central processing unit; the motor is connected with the driving device; the motor coaxial rotating body is connected with the motor and comprises a non-metal rotary disc and a metal blade; the non-metal rotary disc is arranged on a rotating shaft of the motor; and the metal blade is arranged on the outer wall of the non-metal rotary disc. According to the testing device, relative motion is formed by the rotating metal blade and the track axle counting sensor, and magnetic force line cutting is performed on an electromagnetic field emitted by the track axle counting sensor, thereby realizing simulation cross-axle testing of the track axle counting sensor and providing convenience for debugging and inspection of the track axle counting sensor. The testing device has the advantages of simple structure, low manufacturing cost, convenience in simulation of a complex application testing condition of an application field and convenience in batch production, debugging and inspection of the track axle counting sensor; and meanwhile, the device can be used for equipment testing using a similar principle.
Description
Technical field
The utility model relates to the field tests of track axle count sensor, specifically a kind of track axle count sensor proving installation.
Background technology
The wheel detection device of track axle count sensor for adopting the electromagnetic eddy principle of induction to realize, when metallic wheel cuts the magnetic line of force of track axle count sensor magnetic head, have influence on the damping value of magnetic head LC resonance, its inter-process circuit amplifies this damping change value again, the generation level is exported in shaping again, produced the axletree pulse signal, to be used for Vehicle Dispatch Administration.
For track gauge sensor test two kinds of methods are arranged usually at present, method one is manually taken derby to streak at track axle count sensor magnetic head place and was simulated car.Method two is installed on track axle count sensor on the true rail, starts locomotive by the scene and carries out actual test.For said method one, when the technical indicators such as test tracks axle count sensor function, detection range, target maximum displacement speed, displacement of targets speed and output pulse width variable quantity, there are the shortcomings such as efficient is low, poor accuracy.For said method two, need accurately rail locomotive of a travel speed school, along back and forth repeatedly walking of the track that track axle count sensor is housed, such method of testing inefficiency, simultaneously locomotive wearing and tearing are large, energy consumption cost is high, and to say all at every turn that when test its installation period is long on track axle count sensor installation and the track, be not easy to the track axle count sensor batch production.
The utility model content
The technical problems to be solved in the utility model provides a kind of track axle count sensor proving installation, and it crosses the device of car meter shaft emulation, to satisfy track axle count sensor batch production, work for inspection demand, realizes that it is produced, the purpose of measuring means scientific and efficient.
The technical solution of the utility model is:
A kind of track axle count sensor proving installation comprises central processing unit, the MIM message input module that is connected with the central processing unit information input terminal, the drive unit that is connected with the central processing unit signal output part, the motor that is connected with drive unit and the motor coaxle rotary body that is connected with motor; Described motor coaxle rotary body comprises the nonmetal rotating disk that is arranged on the machine shaft and the metal blade that is arranged on the nonmetal rotating disk outer wall.
Described MIM message input module is selected operation keyboard.
Described drive unit is selected stepper motor driver; Described motor is selected stepper motor.
Described track axle count sensor proving installation also includes the infrared emission rotating speed collector that is connected with the central processing unit signal input part, and infrared emission rotating speed collector comprises infrared launcher and infrared receiving device; Be distributed with a plurality of infrared emission through holes along even circumferential on the described nonmetal rotating disk, described infrared launcher and infrared receiving device are arranged at respectively the above and below of nonmetal rotating disk and are positioned on the perpendicular line.
Described track axle count sensor proving installation also includes the display screen that is connected with the central processing unit signal output part.
Be provided with on the described central processing unit for the RS232 interface of external communication.
Described display screen selects seven segment numerical to show LED.
The beneficial effects of the utility model:
Principle of the present utility model is to utilize the metal blade of a rotation and track axle count sensor to form relative motion, electromagnetic field to the track axle count sensor emission carries out magnetic force line cutting, realize that with this axletree test is crossed in emulation to track axle count sensor, for the track axle count sensor debugging facilitates with check.The utility model is simple in structure, cost of manufacture is low, makes things convenient for the complicated applications test case at simulation application scene, is convenient to batch production debugging, the check of track axle count sensor, and this device can be used for adopting the testing of equipment of similar principles simultaneously.
Description of drawings
Fig. 1 is use principle block diagram of the present utility model.
Fig. 2 is the use structural representation of the utility model surface structure.
Fig. 3 is the vertical view of motor coaxle rotary body.
Embodiment
See Fig. 1, a kind of track axle count sensor proving installation comprises that the stepper motor driver 4 that central processing unit 1 with RS232 interface 8, the operation keyboard 2 that is connected with central processing unit 1 information input terminal are connected with infrared emission rotating speed collector, are connected with central processing unit 1 signal output part is connected LED 5 with seven segment numerical, the stepper motor 6 that is connected with stepper motor driver 4 and the motor coaxle rotary body 7 that is connected with stepper motor 6;
See Fig. 2, Fig. 3, motor coaxle rotary body 7 comprises the nonmetal rotating disk 71 that is arranged in stepper motor 6 rotating shafts and is arranged at metal blade 72 on nonmetal rotating disk 71 outer walls, is distributed with a plurality of infrared emission through holes 73 along even circumferential on the nonmetal rotating disk 71; Infrared emission rotating speed collector 3 comprises infrared launcher 31 and infrared receiving device 32, infrared launcher, 3 and infrared receiving device 32 be arranged at respectively the above and below of nonmetal rotating disk 71 and be positioned on the perpendicular line.
Use principle of the present utility model:
When rotating near track axle count sensor 10, the metal blade 72 that (1), main control computer 9 is connected by RS232 interface 8, track axle count sensor 10 is arranged at the sidepiece of motor coaxle rotary body 7 and guarantees motor coaxle rotary body 7 contacts with the magnetic head of track axle count sensor 10;
(2), input stepper motors 6 operating parameters to central processing unit 1 by operation keyboard 2 or main control computer 9, central processing unit 1 modulation frequency signal is to stepper motor driver 4, stepper motor driver 4 is sine wave output signal driver stepper motor 6 again, the rotating shaft of stepper motor 6 is rotated drive motor coaxial rotating body 7 and is rotated, in the process that motor coaxle rotary body 7 rotates, when the metal blade 72 on nonmetal rotating disk 71 outer walls streaks track axle count sensor 10 magnetic heads top, the magnetic line of force of track axle count sensor 10 magnetic heads is cut by metal blade 72, plays simulation and produces the axletree effect;
(3), in the process that motor coaxle rotary body 7 rotates, can trigger infrared emission rotating speed collector 3 and produce the pulse signal corresponding with rotating speed, output of pulse signal to central processing unit 1 is processed, central processing unit 1 is according to the frequency quantity signal analysis of feedback and the difference of preset rotation speed, adjust output frequency so that the rotating speed of stepper motor driver 4 is made amendment, form closed-loop control, can accurately control like this rotational speed of metal blade 9;
(4), infrared emission rotating speed collector 3 is because of dial rotation, produce pulse signal and be sent to central processing unit 1, after central processing unit 1 is collected rotational speed pulse signal, will be according to the variation of pulsed frequency, calculate rotating disk actual time line velocity amplitude according to formula (actual speed=disk girth * return the infrared through hole quantity of measured frequency/rotating disk from rotating disk), show that by seven segment numerical LED 5 directly shows, or transfer to demonstration in the main control computer 9 by RS232 interface 8.
Claims (7)
1. a track axle count sensor proving installation is characterized in that: comprise central processing unit, the MIM message input module that is connected with the central processing unit information input terminal, the drive unit that is connected with the central processing unit signal output part, the motor that is connected with drive unit and the motor coaxle rotary body that is connected with motor; Described motor coaxle rotary body comprises the nonmetal rotating disk that is arranged on the machine shaft and the metal blade that is arranged on the nonmetal rotating disk outer wall.
2. a kind of track axle count sensor proving installation according to claim 1, it is characterized in that: described MIM message input module is selected operation keyboard.
3. a kind of track axle count sensor proving installation according to claim 1, it is characterized in that: described drive unit is selected stepper motor driver; Described motor is selected stepper motor.
4. a kind of track axle count sensor proving installation according to claim 1, it is characterized in that: described track axle count sensor proving installation also includes the infrared emission rotating speed collector that is connected with the central processing unit signal input part, and infrared emission rotating speed collector comprises infrared launcher and infrared receiving device; Be distributed with a plurality of infrared emission through holes along even circumferential on the described nonmetal rotating disk, described infrared launcher and infrared receiving device are arranged at respectively the above and below of nonmetal rotating disk and are positioned on the perpendicular line.
5. a kind of track axle count sensor proving installation according to claim 1, it is characterized in that: described track axle count sensor proving installation also includes the display screen that is connected with the central processing unit signal output part.
6. a kind of track axle count sensor proving installation according to claim 1 is characterized in that: be provided with on the described central processing unit for the RS232 interface of external communication.
7. a kind of track axle count sensor proving installation according to claim 5 is characterized in that: described display screen selects seven segment numerical to show LED.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220368539 CN202693345U (en) | 2012-07-29 | 2012-07-29 | Testing device of track axle counting sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220368539 CN202693345U (en) | 2012-07-29 | 2012-07-29 | Testing device of track axle counting sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202693345U true CN202693345U (en) | 2013-01-23 |
Family
ID=47548949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220368539 Expired - Fee Related CN202693345U (en) | 2012-07-29 | 2012-07-29 | Testing device of track axle counting sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202693345U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103863358A (en) * | 2014-03-12 | 2014-06-18 | 中铁四局集团电气化工程有限公司 | Axle counter installation test detector |
| CN108986870A (en) * | 2018-05-31 | 2018-12-11 | 沈阳工业大学 | A kind of Magnetic Memory experimental provision of novel change external world magnetic propagation medium environment |
-
2012
- 2012-07-29 CN CN 201220368539 patent/CN202693345U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103863358A (en) * | 2014-03-12 | 2014-06-18 | 中铁四局集团电气化工程有限公司 | Axle counter installation test detector |
| CN103863358B (en) * | 2014-03-12 | 2016-01-20 | 中铁四局集团电气化工程有限公司 | Axis-counting device installation test detecting device |
| CN108986870A (en) * | 2018-05-31 | 2018-12-11 | 沈阳工业大学 | A kind of Magnetic Memory experimental provision of novel change external world magnetic propagation medium environment |
| CN108986870B (en) * | 2018-05-31 | 2021-04-27 | 沈阳工业大学 | Magnetic memory experimental device for changing external magnetic propagation medium environment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20180729 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |