CN203011946U - Device for testing radar speed sensor - Google Patents
Device for testing radar speed sensor Download PDFInfo
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- CN203011946U CN203011946U CN 201220731087 CN201220731087U CN203011946U CN 203011946 U CN203011946 U CN 203011946U CN 201220731087 CN201220731087 CN 201220731087 CN 201220731087 U CN201220731087 U CN 201220731087U CN 203011946 U CN203011946 U CN 203011946U
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- speed sensor
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Abstract
One embodiment of the utility model discloses a device for testing a radar speed sensor. The device comprises the radar speed sensor, a speed sensor, a data collector, a rotation mechanism and a piece of processing equipment. Comparison between a rotation speed of the rotation mechanism tested by the speed sensor and a rotation speed of the rotation mechanism tested by the radar speed sensor are carried out, and accordingly that whether a differential value between the rotation speed of the rotation mechanism tested by the speed sensor and the rotation speed of the rotation mechanism tested by the radar speed sensor of normal operation is within a range of threshold or not is determined. If the differential value is within the range of threshold, the radar speed sensor is at a normal working state. The device realizes fault determination on the radar speed sensor, and thus a problem in the prior art that whether the radar speed sensor is at a fault state or not cannot be tested is solved.
Description
Technical field
The utility model relates to field of mechanical technique, more particularly, relates to a kind of device of testing radar speed sensor.
Background technology
ATP(Automatic Train Protection, automatic train protection system) one of composition be CTCS(ChineseTrain Control System, Train control system).CTCS3-300T row control vehicle-mounted ATP equipment is the visual plant of speed per hour high-speed railway train control system more than 300 kilometers.In numerous ATP equipment, radar speed sensor is one of them, radar speed sensor is arranged on a car vehicle bottom, it utilizes Doppler effect, utilize the difference on the frequency of sending and receiving signal to test the speed, in command, control and communication system, it completes the surveying work to train speed together with vehicle-wheel speed sensor (Hall element), and rate signal is uploaded to the speed range unit of ATP system.
Because radar speed sensor is the original-pack equipment of import, motor-car servicing center and integrated commercial city do not possess the power of test to it, therefore when doubtful failure problems occurs in radar speed sensor, can't the fast detecting radar whether be genuine fault, can only return abroad and detect, keep in repair, the cycle of reprocessing is long, the use that impact is on-the-spot.Therefore be badly in need of a kind of can the test the train control on board equipment radar speed sensor fast, whether be in the proving installation of malfunction to judge it.
The utility model content
In view of this, the utility model embodiment provides a kind of device of testing radar speed sensor, to realize the fault judgement of radar speed sensor.
For achieving the above object, the utility model embodiment provides following technical scheme:
A kind of device of testing radar speed sensor comprises:
Rotating mechanism, described rotating mechanism has the plane of rotation of reflected radar ripple;
Be connected with described rotating mechanism, detect the speed that described rotating mechanism rotates, and the speed pickup of output measuring-signal;
By transmitting and receiving radar wave to described plane of rotation, detect the speed of described rotating mechanism, and the radar speed sensor of output measuring-signal;
Be connected with radar speed sensor with described speed pickup respectively, the measuring-signal of speed pickup output and the measuring-signal of radar speed sensor output are carried out level conversion, obtain measuring-signal corresponding to speed pickup, the measuring-signal corresponding with radar speed sensor, and with the data acquisition unit of the measuring-signal after both level conversion output;
be connected with described data acquisition unit, measuring-signal corresponding to the speed pickup after level conversion by described data acquisition unit output, calculate the velocity amplitude that described speed pickup detects, measuring-signal corresponding to the radar speed sensor after level conversion by described data acquisition unit output, calculate the velocity amplitude that described radar speed sensor detects, the velocity amplitude that the velocity amplitude that the described speed pickup that calculates is detected and described radar speed sensor detect is compared, whether judgement comparison difference is in threshold range, if, determine that radar speed sensor is working properly, if not, determine the treatment facility that radar speed sensor breaks down.
Wherein, described rotating mechanism comprises:
Belt with reflected radar wave surface, the surface of the reflected radar ripple of described belt is the plane of rotation of described rotating mechanism;
Be positioned at driving wheel and the engaged wheel of described belt both sides, the rotation of described driving wheel drives the rotation of described engaged wheel by described belt.
Preferably, the surface of described belt is with screw, and described belt is by described screw reflected radar ripple.
Preferably, described rotating mechanism also comprises: rotating speed platform, control driving wheel are pressed the servomotor of set rotational speed;
Described belt, described driving wheel, described engaged wheel, and described servomotor is arranged on described rotating speed platform.
Wherein, speed pickup comprises: be arranged on the GEL247 speed pickup of engaged wheel one side, be arranged on the HS22G speed pickup of described engaged wheel opposite side.
Preferably, the device of above-mentioned test radar speed sensor also comprises: moveable suspended;
Described moveable suspended setting up is equipped with the installation column that radar speed sensor is installed.
Wherein, described data acquisition unit also comprises:
Respectively the measuring-signal of the speed pickup after level conversion and radar speed sensor is carried out the undesired signal buffer circuit of undesired signal isolation processing and Shape correction.
Wherein, described treatment facility is the industrial computer that is provided with the PCI6602 signal acquiring board.
Preferably, described treatment facility also comprises: display, input media, electric machine controller, transformer and switch board cabinet;
Described display, input media and electric machine controller are connected with described industrial computer;
Described industrial computer, display, data acquisition unit is connected with described transformer respectively with electric machine controller;
Described industrial computer, described electric machine controller, described display, described input media, described transformer are arranged in described switch board cabinet.
based on technique scheme, the device of the test radar speed sensor that the utility model embodiment provides, the velocity of rotation of the rotating mechanism that speed pickup is detected, the velocity of rotation of the rotating mechanism that detects with radar speed sensor is compared, thereby the velocity of rotation of the rotating mechanism that the judgement radar speed sensor detects, with the difference of the velocity of rotation of the rotating mechanism that detects of speed pickup of normal operation whether in threshold range, if, determine the accuracy of the velocity of rotation that radar speed sensor detects, the velocity of rotation that detects with the speed pickup that works is close, radar speed sensor is in normal operating conditions, if not, determine that the velocity of rotation that radar speed sensor detects is inaccurate, radar speed sensor breaks down.The device of the test radar speed sensor that provides by the utility model embodiment can be realized the fault judgement for radar speed sensor, can't detect thereby solved prior art the problem whether radar speed sensor is in malfunction.
Description of drawings
In order to be illustrated more clearly in embodiment of the present utility model, during the below will describe embodiment of the present utility model, the accompanying drawing of required use is done to introduce simply, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
A kind of apparatus structure block diagram of testing radar speed sensor that Fig. 1 provides for utility model embodiment;
The structural representation of the rotating mechanism that Fig. 2 provides for utility model embodiment
The vertical view of rotating mechanism in the described device that Fig. 3 provides for utility model embodiment
The front view of rotating mechanism in the described device that Fig. 4 provides for utility model embodiment;
Switch board cabinet master TV structure schematic diagram in the described device that Fig. 5 provides for utility model embodiment;
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
A kind of structural representation of testing the device of radar speed sensor that Fig. 1 provides for the utility model embodiment, the device of this test radar speed sensor can comprise as shown in Figure 1: rotating mechanism 01, speed pickup 02, radar speed sensor 03, data acquisition unit 04, treatment facility 05.
Wherein, rotating mechanism 01 rotates by certain speed, has the mechanism of the plane of rotation of reflected radar ripple, and the velocity of rotation of plane of rotation can be reacted the velocity of rotation of rotating mechanism 01; Rotating mechanism 01 can adopt rotating shaft, rotor wheel, chain etc. to set up, and can make chain continue the mechanism that rotates, and herein, plane of rotation can be thought the surface of chain; Rotating mechanism 01 can be also other with plane of rotation, and can react the mechanism of velocity of rotation by plane of rotation, those skilled in the art can expect the implementation of multiple rotating mechanism 01;
The plane of rotation with reflected radar ripple of rotating mechanism 01 refers to, radar speed sensor can be by to this plane of rotation sending and receiving signal, thereby calculates the velocity of rotation of plane of rotation by the difference on the frequency of signal; Optionally, plane of rotation can be arranged to the surface irregular, that level height differs, thereby make the plane of rotation can the reflected radar ripple.
The optional implementation of the rotating mechanism 01 that the utility model embodiment provides can be as shown in Figure 2, the structural representation of the rotating mechanism that Fig. 2 provides for the utility model embodiment, and rotating mechanism 01 can comprise: belt 21, driving wheel 22 rotates and engaged wheels 23;
Belt with reflected radar wave surface, the surface of the reflected radar ripple of described belt is the plane of rotation of described rotating mechanism; Be positioned at driving wheel and the engaged wheel of described belt both sides, the rotation of described driving wheel drives the rotation of described engaged wheel by described belt.
the device of the test radar speed sensor that the utility model embodiment provides, the velocity of rotation of the rotating mechanism that speed pickup is detected, the velocity of rotation of the rotating mechanism that detects with radar speed sensor is compared, thereby the velocity of rotation of the rotating mechanism that the judgement radar speed sensor detects, with the difference of the velocity of rotation of the rotating mechanism that detects of speed pickup of normal operation whether in threshold range, if, determine the accuracy of the velocity of rotation that radar speed sensor detects, the velocity of rotation that detects with the speed pickup that works is close, radar speed sensor is in normal operating conditions, if not, determine that the velocity of rotation that radar speed sensor detects is inaccurate, radar speed sensor breaks down.The device of the test radar speed sensor that provides by the utility model embodiment can be realized the fault judgement for radar speed sensor, can't detect thereby solved prior art the problem whether radar speed sensor is in malfunction.
the vertical view of the rotating mechanism that Fig. 3 provides for the utility model embodiment, the front view of the rotating mechanism that Fig. 4 provides for the utility model embodiment, in conjunction with Fig. 3 and shown in Figure 4, the rotation of the rotating mechanism that the utility model embodiment provides drives by servomotor 3, specifically controlling driving wheel 5 by servomotor 3 rotates by set speed, and drive engaged wheel 4 rotations by belt 6, servomotor 3 is connected to driving wheel 5 one sides, for ease of installing, in the utility model embodiment, servomotor 3, engaged wheel 4, driving wheel 5, belt 6 is installed on rotating speed platform 7,
In order to measure the accurate of velocity of rotation, the utility model has adopted two speed pickups to carry out velocity test, the velocity amplitude that they are measured is averaging and obtains velocity of rotation, in addition, also can adopt a speed pickup to carry out velocity test, method of testing and said method are similar, just are not repeated;
The both sides that lay respectively at engaged wheel are equipped with GEL247 speed pickup 1 and HS22G speed pickup 2;
The GEL247 speed pickup is a kind of Hall element, be to utilize Hall effect to realize a kind of speed class sensor of magnetoelectricity conversion, can be installed on the casing of different kinds of railways signal and rail traffic vehicles kinematic train or case lid to control system transmission speed signal and have the performance that tests the speed reliably;
HS22G series Hall element is a kind of double-channel Hall revolution speed transducer, and installation of sensors can be used for detecting rotating speed, linear velocity, acceleration and the vehicle operating direction of wheel shaft on the end cap that tests the speed.The output waveform of sensor is square wave.It does not contact with tested gear, and is easy for installation without wearing and tearing, and the wide ranges that tests the speed, and temperature accommodation is wide, and shock resistance is strong;
GEL247 speed pickup and HS22G speed pickup are measured the velocity of rotation of engaged wheel, and export measuring-signal to data acquisition unit, and wherein the output of GEL247 speed pickup and HS22G speed pickup is square-wave signal;
Radar speed sensor 9 passes through to belt 6 sending and receiving electromagnetic waves, and with the output of pulse signal measured to data acquisition unit, belt surface is used for reflection electromagnetic wave with screw, and the radar speed sensor model that the utility model uses is the DRS05 radar sensor;
Optionally, as shown in Figure 4, in order to mount and dismount conveniently, the utility model embodiment is equipped with moveable suspended 8 and is provided with Fast Installation and the installation column of dismounting radar speed sensor, moveable suspended can be provided with many, conveniently tests simultaneously a plurality of radar speed sensors;
Rotating mechanism is connected by supporting cable with switch board.
Optionally, the device of the test radar speed sensor that provides of the utility model embodiment can also comprise: display, keyboard, electric machine controller and transformer; Wherein, display, input media and electric machine controller are connected with industrial computer, industrial computer, and display, data acquisition unit is connected with described transformer respectively with electric machine controller.
For ease of industrial computer is installed, the electronic equipments such as data acquisition unit, the utility model embodiment also provides switch board, by electronic equipment is set in switch board, make the installation of electronic equipment convenient more in order, switch board master TV structure schematic diagram in the described device that Fig. 5 provides for utility model embodiment, as shown in the figure: switch board comprises the switch board cabinet, be provided with the display installation portion in cabinet, the keyboard installation portion, industrial computer installation portion, electric machine controller installation portion, the data acquisition unit installation portion, the transformer installation portion.Described display 31, keyboard 32, industrial computer 33, electric machine controller 34, data acquisition unit 35 and transformer 36 are arranged in the switch board cabinet
Wherein, described display, keyboard, electric machine controller, data acquisition unit are connected with industrial computer;
Described display, industrial computer, electric machine controller, data acquisition unit are connected with transformer;
In the utility model embodiment, described industrial computer program controlled motor controller starts, and the servomotor in the motor controller controls rotating mechanism is by set rotation speed operation;
Described data acquisition unit is connected by supporting cable with described speed pickup, the square-wave signal of GEL247 speed pickup and the output of HS22G speed pickup is carried out level conversion, isolation undesired signal, signal shaping, be processed into the signal of the PCI6602 signal acquiring board identification that is arranged in industrial computer, and described treated signal is transferred to industrial computer;
The pulse signal of radar speed sensor output is carried out level conversion, and isolation undesired signal, signal shaping are processed into the signal of the PCI6602 signal acquiring board identification that is arranged in industrial computer, and described treated signal are transferred to industrial computer;
Described industrial computer receives the signal of GEL247 speed pickup and the described processing of HS22G speed pickup output process, the counter that is arranged on the PCI6602 signal acquiring board in industrial computer calculates this signal frequency, thereby calculate rate signal, obtain velocity of rotation value corresponding to GEL247 speed pickup and velocity of rotation value corresponding to HS22G speed pickup, and two velocity amplitudes are average, obtain the velocity amplitude that a velocity of rotation value is rotated as engaged wheel;
described industrial computer receiving radar speed pickup output is through the signal of described processing, the counter that is arranged on the PCI6602 signal acquiring board in industrial computer calculates this signal frequency, thereby calculate rate signal, obtain the velocity of rotation value of radar speed sensor test, and this velocity amplitude and the above-mentioned speed average that on average obtains through two speed pickup test speed values are compared, whether judgement comparison difference is in threshold range, if, determine that radar speed sensor is working properly, if not, determine the treatment facility that radar speed sensor breaks down,
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from spirit or scope of the present utility model, realization in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. a device of testing radar speed sensor, is characterized in that, comprising:
Rotating mechanism, described rotating mechanism has the plane of rotation of reflected radar ripple;
Be connected with described rotating mechanism, detect the speed that described rotating mechanism rotates, and the speed pickup of output measuring-signal;
By transmitting and receiving radar wave to described plane of rotation, detect the speed of described rotating mechanism, and the radar speed sensor of output measuring-signal;
Be connected with radar speed sensor with described speed pickup respectively, the measuring-signal of speed pickup output and the measuring-signal of radar speed sensor output are carried out level conversion, obtain measuring-signal corresponding to speed pickup, the measuring-signal corresponding with radar speed sensor, and with the data acquisition unit of the measuring-signal after both level conversion output;
be connected with described data acquisition unit, measuring-signal corresponding to the speed pickup after level conversion by described data acquisition unit output, calculate the velocity amplitude that described speed pickup detects, measuring-signal corresponding to the radar speed sensor after level conversion by described data acquisition unit output, calculate the velocity amplitude that described radar speed sensor detects, the velocity amplitude that the velocity amplitude that the described speed pickup that calculates is detected and described radar speed sensor detect is compared, whether judgement comparison difference is in threshold range, if, determine that radar speed sensor is working properly, if not, determine the treatment facility that radar speed sensor breaks down.
2. device according to claim 1, is characterized in that, described rotating mechanism comprises:
Belt with reflected radar wave surface, the surface of the reflected radar ripple of described belt is the plane of rotation of described rotating mechanism;
Be positioned at driving wheel and the engaged wheel of described belt both sides, the rotation of described driving wheel drives the rotation of described engaged wheel by described belt.
3. device according to claim 2, is characterized in that, the surface of described belt is with screw, and described belt is by described screw reflected radar ripple.
4. device according to claim 2, is characterized in that, also comprises: rotating speed platform, control driving wheel are pressed the servomotor of set rotational speed;
Described belt, described driving wheel, described engaged wheel, and described servomotor is arranged on described rotating speed platform.
5. device according to claim 2, is characterized in that, speed pickup comprises: be arranged on the GEL247 speed pickup of engaged wheel one side, be arranged on the HS22G speed pickup of described engaged wheel opposite side.
6. the described device of according to claim 1 to 5 any one, is characterized in that, also comprises: moveable suspended;
Described moveable suspended setting up is equipped with the installation column that radar speed sensor is installed.
According to claim 1 to 5 described device, it is characterized in that, described data acquisition unit also comprises:
Respectively the measuring-signal of the speed pickup after level conversion and radar speed sensor is carried out the undesired signal buffer circuit of undesired signal isolation processing and Shape correction.
8. device according to claim 1, is characterized in that, described treatment facility is the industrial computer that is provided with the PCI6602 signal acquiring board.
9. device according to claim 6, is characterized in that, also comprises: display, input media, electric machine controller, transformer and switch board cabinet;
Described display, input media and electric machine controller are connected with described industrial computer;
Described industrial computer, display, data acquisition unit is connected with described transformer respectively with electric machine controller;
Described industrial computer, described electric machine controller, described display, described input media, described transformer are arranged in described switch board cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220731087 CN203011946U (en) | 2012-12-26 | 2012-12-26 | Device for testing radar speed sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220731087 CN203011946U (en) | 2012-12-26 | 2012-12-26 | Device for testing radar speed sensor |
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| Publication Number | Publication Date |
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| CN203011946U true CN203011946U (en) | 2013-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220731087 Expired - Lifetime CN203011946U (en) | 2012-12-26 | 2012-12-26 | Device for testing radar speed sensor |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105092882A (en) * | 2015-08-07 | 2015-11-25 | 湖南广思科技有限公司 | Secure speed measurement device with combination of relative rotating speed and absolute ground speed |
| CN108508422A (en) * | 2018-06-20 | 2018-09-07 | 北京交大思诺科技股份有限公司 | Velocity radar test platform |
| 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 |
| CN111017104A (en) * | 2019-11-27 | 2020-04-17 | 南京溧水电子研究所有限公司 | Safe and reliable fault detection method for electric power-assisted vehicle |
| CN113415319A (en) * | 2021-06-29 | 2021-09-21 | 通号城市轨道交通技术有限公司 | State detection method and system of speed sensor |
| 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 |
| CN114141121A (en) * | 2021-11-23 | 2022-03-04 | 永煤集团股份有限公司 | Experiment platform for adhesive tape machine system |
| CN117471125A (en) * | 2023-06-21 | 2024-01-30 | 山东超晟光电科技有限公司 | Test experiment device and test method for speed measuring device of optical fiber passive belt conveyor |
-
2012
- 2012-12-26 CN CN 201220731087 patent/CN203011946U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105092882A (en) * | 2015-08-07 | 2015-11-25 | 湖南广思科技有限公司 | Secure speed measurement device with combination of relative rotating speed and absolute ground speed |
| CN108508422A (en) * | 2018-06-20 | 2018-09-07 | 北京交大思诺科技股份有限公司 | Velocity radar test platform |
| CN108508422B (en) * | 2018-06-20 | 2023-11-03 | 北京交大思诺科技股份有限公司 | Speed measuring radar test platform |
| 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 |
| CN111017104A (en) * | 2019-11-27 | 2020-04-17 | 南京溧水电子研究所有限公司 | Safe and reliable fault detection method for electric power-assisted vehicle |
| CN113415319A (en) * | 2021-06-29 | 2021-09-21 | 通号城市轨道交通技术有限公司 | State detection method and system of speed sensor |
| 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 |
| CN114141121A (en) * | 2021-11-23 | 2022-03-04 | 永煤集团股份有限公司 | Experiment platform for adhesive tape machine system |
| CN117471125A (en) * | 2023-06-21 | 2024-01-30 | 山东超晟光电科技有限公司 | Test experiment device and test method for speed measuring device of optical fiber passive belt conveyor |
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Granted publication date: 20130619 |
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