CN203704967U - Calibration device of absolute positioning sensor - Google Patents
Calibration device of absolute positioning sensor Download PDFInfo
- Publication number
- CN203704967U CN203704967U CN201420065726.9U CN201420065726U CN203704967U CN 203704967 U CN203704967 U CN 203704967U CN 201420065726 U CN201420065726 U CN 201420065726U CN 203704967 U CN203704967 U CN 203704967U
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- slide block
- absolute fix
- caliberating device
- fix sensor
- moving lever
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- 238000012545 processing Methods 0.000 claims abstract description 10
- 239000003550 marker Substances 0.000 claims description 14
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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Abstract
The utility model discloses a calibration device of an absolute positioning sensor. The calibration device comprises a processing unit, a frame and more than one slide block. Guide rails are transversely disposed on the frame. The slide block is disposed on the guide rails to slide horizontally. The slide block is provided with a slide groove. The slide groove is vertical to the guide rails in a horizontal plane. A moving rod is disposed inside the slide groove. The bottom end of the moving rod is provided with a positioning sign member in cooperation with a to-be-calibrated element. The moving rod moves transversely along with the slide block. The moving rod drives the positioning sign member to slide horizontally along the slide groove, vertically lift up and down, and rotate. The to-be-calibrated element outputs voltage that is processed and displayed by a processing unit. The calibration device is advantaged by being simple in structure, effectively simulating various conditions of a train body, carrying out calibration without presence on the train, and reducing human intervention.
Description
Technical field
The utility model relates to track train alignment sensor technical field, refers in particular to a kind of caliberating device of absolute fix sensor.
Background technology
Absolute fix technology based on " induction type location " is to be fixed on the passive location identification plate of track on along the line by active code reader scanning is ON TRAINS installed, and obtains the coded message on each locating sign board, thereby obtains the absolute location information of train.
Locating sign board is one and has certain thickness plastic plate, and copper is applied in middle layer, and leaves according to certain rule the coding narrow slit that represents positional information.Deposited copper middle layer (being also screen layer) on locating sign board is divided into 5 highly identical scale-of-two regions, 4 measure-alike coding narrow slits, the wide 3mm of narrow slit, the corresponding binary coding of each coding narrow slit, with respect to binary geometric center, the coding narrow slit of deflection left of center is binary " 1 ", and what be partial to right of center is binary " 0 ".
Absolute fix sensor is a kind of active code reader, generally be arranged on train bogie, train is in operational process, particularly when excessively curved, it laterally and in vertical direction has certain vibration, the installation site of locating sign board also can not be completely accurately simultaneously, and therefore vehicle active code reader is in the process that reads locating sign board, and the position relationship relative standard position between them is differentiated.
Any sensor all must be demarcated through standard test before practical, and existing absolute fix sensor need, by installation of sensors on car, move to calibration position by car and demarcate at timing signal.If there is demarcating mistake, sensor need be disassembled, adjust on the ground internal hardware data, refill car demarcation and check.The demarcation mode of this repeated disassembled and assembled is very loaded down with trivial details, and because each human error of bringing of installing causes reliability not high.And existing absolute fix sensor is all artificial demarcation substantially, exist subjectivity, personal error is larger, has increased the unreliability of absolute fix sensor.
Utility model content
The technical matters existing for prior art, the utility model provides a kind of simple in structure, the various situations that can simulate train body, carries out the caliberating device of the absolute fix sensor of demarcating from car.
In order to solve the problems of the technologies described above, the technical scheme the utility model proposes is:
A kind of caliberating device of absolute fix sensor, comprise processing unit, framework and more than one slide block, on described framework, be horizontally arranged with guide rail, described slide block is arranged on described guide rail and horizontal slip on guide rail, on described slide block, be provided with chute, the direction of described chute is vertical with the direction that described guide rail is arranged, in described chute, be equipped with moving lever, the bottom of described moving lever is provided with the witness marker part matching with to be calibrated, described moving lever laterally slides with slide block, described moving lever drives described witness marker part VTOL (vertical take off and landing), rotatablely move and along the horizontal slip of chute direction, described to be calibrated output voltage also processed and shown by described processing unit.
Further improvement as technique scheme:
On described to be calibrated, be provided with groove, the opening of described groove is parallel with described guide rail arranged direction, and described witness marker part moves in the opening of described groove.
The quantity of described slide block is three, between three slide blocks, is parallel to each other.
Described witness marker part is locating sign board, and described locating sign board is parallel to the opening of described groove.
Described moving lever is screw rod, and described screw rod is shelved on slide block by nut.
On described nut, be provided with anglec of rotation groove.
On described chute, be provided with longitudinal scale mark.
In the vertical direction of described moving lever, be provided with vertical scale line.
Compared with prior art, the utility model has the advantage of:
1, the caliberating device of absolute fix sensor of the present utility model, can be by the routing motion of slide block and moving lever, drive witness marker part on absolute fix sensor, to do various dimensions motion, the effectively various situations of simulation train body, carry out demarcating from car, reduce human intervention, strengthened the consistance of demarcating product.
2, the caliberating device of absolute fix sensor of the present utility model, is provided with three slide blocks that are parallel to each other, and can simulate the complete situation of passing through one group of (continuous three) locating sign board of absolute fix sensor completely, thereby improves the reliability of demarcating product.
3, the caliberating device of absolute fix sensor of the present utility model, volume is little, compact conformation, lightweight, the installation that is easy to carry about with one, redundancy are good.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment mono-.
Fig. 2 is position one schematic diagram of locating sign board of the present utility model in U-shaped groove.
Fig. 3 is position two schematic diagram of locating sign board of the present utility model in U-shaped groove.
Fig. 4 is position three schematic diagram of locating sign board of the present utility model in U-shaped groove.
Fig. 5 is position four schematic diagram of locating sign board of the present utility model in U-shaped groove.
Fig. 6 is position five schematic diagram of locating sign board of the present utility model in U-shaped groove.
Fig. 7 is the structural representation of the utility model embodiment bis-.
Number in the figure explanation: 1, framework; 11, guide rail; 2, slide block; 21, chute; 3, screw rod; 31, nut; 4, locating sign board; 5, U-shaped groove; 6, processing unit; 61, emulator; 62, computing machine; 7, external power source.
Embodiment
Below in conjunction with Figure of description and specific embodiment, the utility model is further described.
Embodiment mono-:
As shown in Figure 1, the caliberating device of the absolute fix sensor of the present embodiment, comprise processing unit 6, framework 1 and more than one slide block 2, on framework 1, be horizontally arranged with guide rail 11, slide block 2 is arranged on guide rail 11 and horizontal slip on guide rail 11, on slide block 2, be provided with chute 21, the direction horizontal vertical that the direction of chute 21 and guide rail 11 are arranged, in chute 21, be equipped with moving lever, the bottom of moving lever is provided with the witness marker part matching with to be calibrated, moving lever laterally slides with slide block 2, moving lever drives witness marker part VTOL (vertical take off and landing), rotatablely move and along chute 21 direction horizontal slips, to be calibrated output voltage also processed and shown by processing unit 6.The caliberating device of absolute fix sensor of the present utility model, can coordinate by the motion of slide block 2 and moving lever, drive witness marker part in absolute fix sensor, to do various dimensions motion, can effectively simulate the various situations of train body, carry out demarcating from car, reduce human intervention, strengthened the consistance of demarcating product.
In the present embodiment, be provided with groove on to be calibrated, groove is U-shaped groove 5, and the opening of U-shaped groove 5 is parallel with guide rail 11 arranged direction, and witness marker part moves in the opening of U-shaped groove 5.
In the present embodiment, witness marker part is locating sign board 4, and locating sign board 4 is parallel to the opening of U-shaped groove 5.
In the present embodiment, moving lever is screw rod 3, and screw rod 3 is shelved on slide block 2 by nut 31.
In the present embodiment, on nut 31, be provided with anglec of rotation groove.
In the present embodiment, on chute 21, be provided with longitudinal scale mark.
In the present embodiment, in the vertical direction of moving lever, be provided with vertical scale line.
Calibration process: when beginning, power supply is provided to absolute fix sensor to be calibrated by external power source 7, the distance from bottom of the relatively U-shaped groove 5 of the lower surface of locating sign board 4 is about 30mm, absolute fix Sensor Analog Relay System work mid-term, the distance from bottom of the U-shaped groove 5 of the relative code reader of lower surface of locating sign board 4 is about 15mm.Horizontal range between the side (transmitting coil plane and receiving coil plane) of U-shaped groove 5 is 66mm, the thickness of locating sign board 4 is 4mm, definition standard calibration position is: two parallel sided of locating sign board 4 and U-shaped groove 5, the distance of the U-shaped groove of the relative code reader of identification plate lower surface 5 bottoms is 15mm, and two lateral distance of the U-shaped groove 5 of the relative code reader in positive and negative of locating sign board 4 are respectively 31mm.
According to absolute fix sensor measurement scope, the ultimate range of the relatively U-shaped groove of locating sign board 4 lower surfaces 5 bottoms is 30mm, as shown in Figure 2; The minor increment of the relatively U-shaped groove of locating sign board 4 lower surfaces 5 bottoms is 5mm, as shown in Figure 3.The peak excursion displacement simultaneously allowing in guide direction is 10mm, consider the installation site out of true of locating sign board 4 and U-shaped groove 5, the allowed offset distance of timing signal maximum is set to locating sign board 4 in the middle each 25mm that keeps left, keeps right of U-shaped groove 5, now two of locating sign board 4 identity distances are 6mm from the distance of U-shaped groove 5 two sides, as shown in Figure 4 and Figure 5.Finally, consider that a kind of limiting condition is, there is clockwise or counterclockwise in the horizontal direction serious deflection in locating sign board 4, two sides that make locating sign board 4 just touch U-shaped groove 5 enter U-shaped groove 5, because the length of locating sign board 4 is about 260mm, U-shaped groove 5 width are 66mm, and the angle that therefore now locating sign board 4 rotates is 15 °
As shown in Figure 6.
In the reading code mode based on large coil location, small coil reading code as example, calibration process is: the standard calibration position that first locating sign board 4 is placed in to caliberating device, locating sign board 4 is slided to standard calibration position, test the input voltage of corresponding absolute fix sensor internal signal voltage comparer to be calibrated, play the reference voltage of the set winding of positioning action to adjust absolute fix sensor internal to be calibrated; Then optional two position locations, the corresponding coding of test narrow slit is the input voltage of the signal voltage comparer of 0,1 o'clock respectively, plays the reference voltage of the reading code coil of reading code effect to adjust absolute fix sensor internal to be calibrated.
The reference voltage of set winding and reading code coil is set respectively according to above-mentioned steps, positive and negative direction running fix identification plate 4 in standard calibration position afterwards, and under the condition of Fig. 2 to Fig. 6, test the reliability of reading code.
In the present embodiment, processing unit 6 comprises emulator 61 and computing machine 62, and emulator 61 is connected and data are passed to computing machine 62 with absolute fix sensor to be calibrated, and computing machine 62 shows the input voltage of signal voltage comparer.
Embodiment bis-:
As shown in Figure 7, the difference of the present embodiment and embodiment mono-is only, three slide blocks 2 are installed on the guide rail 11 of framework 1, between three slide blocks 2, be parallel to each other, can simulate the complete situation of passing through one group of (continuous three) locating sign board 4 of absolute fix sensor completely, thereby improve the qualification of demarcating product.It is identical with embodiment mono-that all the other do not state part, and this place repeats no more.
Below be only preferred implementation of the present utility model, protection domain of the present utility model is also not only confined to above-described embodiment, and all technical schemes belonging under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, in the some improvements and modifications that do not depart under the utility model principle prerequisite, should be considered as protection domain of the present utility model.
Claims (8)
1. the caliberating device of an absolute fix sensor, it is characterized in that, comprise processing unit (6), framework (1) and more than one slide block (2), on described framework (1), be horizontally arranged with guide rail (11), described slide block (2) is arranged on described guide rail (11) and in the upper horizontal slip of guide rail (11), on described slide block (2), be provided with chute (21), the direction of described chute (21) is vertical with the direction that described guide rail (11) is arranged, described chute is equipped with moving lever in (21), the bottom of described moving lever is provided with the witness marker part matching with to be calibrated, described moving lever laterally slides with slide block (2), described moving lever drives described witness marker part VTOL (vertical take off and landing), rotatablely move and along chute (21) direction horizontal slip, described to be calibrated output voltage also processed and shown by described processing unit (6).
2. the caliberating device of absolute fix sensor according to claim 1, is characterized in that, is provided with groove on described to be calibrated, and the opening of described groove is parallel with described guide rail (11) arranged direction, and described witness marker part moves in the opening of described groove.
3. the caliberating device of absolute fix sensor according to claim 1 and 2, is characterized in that, the quantity of described slide block (2) is three, between three slide blocks (2), is parallel to each other.
4. the caliberating device of absolute fix sensor according to claim 2, is characterized in that, described witness marker part is locating sign board (4), and described locating sign board (4) is parallel to the opening of described groove.
5. the caliberating device of absolute fix sensor according to claim 3, is characterized in that, described moving lever is screw rod (3), and described screw rod (3) is shelved on slide block (2) by nut (31).
6. the caliberating device of absolute fix sensor according to claim 5, is characterized in that, described nut is provided with anglec of rotation groove on (31).
7. the caliberating device of absolute fix sensor according to claim 6, is characterized in that, described chute is provided with longitudinal scale mark on (21).
8. the caliberating device of absolute fix sensor according to claim 7, is characterized in that, is provided with vertical scale line in the vertical direction of described moving lever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420065726.9U CN203704967U (en) | 2014-02-14 | 2014-02-14 | Calibration device of absolute positioning sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420065726.9U CN203704967U (en) | 2014-02-14 | 2014-02-14 | Calibration device of absolute positioning sensor |
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| Publication Number | Publication Date |
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| CN203704967U true CN203704967U (en) | 2014-07-09 |
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| CN201420065726.9U Expired - Lifetime CN203704967U (en) | 2014-02-14 | 2014-02-14 | Calibration device of absolute positioning sensor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104596427A (en) * | 2015-02-02 | 2015-05-06 | 中国科学院寒区旱区环境与工程研究所 | Low-temperature calibration device of laser displacement sensor |
| CN109297523A (en) * | 2018-10-11 | 2019-02-01 | 中车青岛四方机车车辆股份有限公司 | A kind of absolute fix sensor detecting system |
| CN109990820A (en) * | 2019-04-04 | 2019-07-09 | 德淮半导体有限公司 | The correcting mechanism and its calibration method of sensor in ion implantation device |
| CN112444281A (en) * | 2017-09-29 | 2021-03-05 | 深圳市道通科技股份有限公司 | Auxiliary calibration equipment |
| CN112880729A (en) * | 2021-03-26 | 2021-06-01 | 中国人民解放军国防科技大学 | Device and method for detecting performance of absolute position sensor of maglev train |
-
2014
- 2014-02-14 CN CN201420065726.9U patent/CN203704967U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104596427A (en) * | 2015-02-02 | 2015-05-06 | 中国科学院寒区旱区环境与工程研究所 | Low-temperature calibration device of laser displacement sensor |
| CN112444281A (en) * | 2017-09-29 | 2021-03-05 | 深圳市道通科技股份有限公司 | Auxiliary calibration equipment |
| CN109297523A (en) * | 2018-10-11 | 2019-02-01 | 中车青岛四方机车车辆股份有限公司 | A kind of absolute fix sensor detecting system |
| CN109990820A (en) * | 2019-04-04 | 2019-07-09 | 德淮半导体有限公司 | The correcting mechanism and its calibration method of sensor in ion implantation device |
| CN112880729A (en) * | 2021-03-26 | 2021-06-01 | 中国人民解放军国防科技大学 | Device and method for detecting performance of absolute position sensor of maglev train |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20140709 |
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| CX01 | Expiry of patent term |