CN202853564U - Track gap sensor for low-speed maglev train - Google Patents
Track gap sensor for low-speed maglev train Download PDFInfo
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- CN202853564U CN202853564U CN 201220498659 CN201220498659U CN202853564U CN 202853564 U CN202853564 U CN 202853564U CN 201220498659 CN201220498659 CN 201220498659 CN 201220498659 U CN201220498659 U CN 201220498659U CN 202853564 U CN202853564 U CN 202853564U
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- gap sensor
- circuit board
- digital circuit
- inductive coil
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Abstract
The utility model discloses a track gap sensor for a low-speed maglev train. The track gap sensor comprises a body and a probe arranged at one end of the body. The probe is internally provided with three or more induction coils and is filled with epoxy resin. The epoxy resin coats the induction coils and is filled between adjacent induction coils. According to the track gap sensor for the low-speed maglev train, the epoxy resin is filled to solidify the induction coils and position the induction coils in the probe, thus the overall structure of the track gap sensor is more stable, a service life of the track gap sensor can be increased, and probability of faults is reduced.
Description
Technical field
The utility model relates to sensor field, especially, relates to a kind of orbit gap sensor for low speed magnetic suspension train.
Background technology
Middle low speed magnetic suspension train is to make train suspension deorbit certain distance (normal conditions are about 12mm) by electromagnetic attraction from the electromagnet to the orbit gap, thereby realizes contactlessly moving without wheel-rail friction.Middle low speed magnetic suspension train has wide prospect as a kind of boom town track vehicle.
The most critical gap sensor of low speed magnetic suspension train in the conduct of orbit gap sensor, can measure the gap of train suspension deorbit, measured orbit gap signal is given the Magnetic Levitation Control System of train, made the train stable suspersion in the interstice coverage of design.
Because the magnetic suspension train environment has the interference such as stronger electromagnetic field, radio, current, iron powder, sensor anti-electromagnetic field, radio ability that present gap adopts the monomer sonde-type to measure are poor; When current, iron powder process sensor probe, the gap fluctuation is larger, and the sensor overall construction intensity is lower, is easy to produce fault.If the gap sensor of magnetic suspension train has fault, must in more than ten minutes, get rid of or change, otherwise can delay or affect the normal operation of train.Therefore anti-interference, high reliability, safeguard the efficiently safe and reliable operation of gap sensor centering low speed magnetic suspension train, meaning is very great.
The utility model content
The utility model purpose is to provide a kind of orbit gap sensor that is used for low speed magnetic suspension train firm in structure, to solve the existing lower technical matters of orbit gap sensor overall construction intensity.
For achieving the above object, the utility model provides a kind of orbit gap sensor for low speed magnetic suspension train, the probe that comprises body and be located at an end of described body, be provided with plural inductive coil in the described probe, be filled with epoxy resin in the described probe, described epoxy resin is coated on described inductive coil outside and is filled between the adjacent described inductive coil.
As further improvement of the utility model:
The quantity of described inductive coil is three.
Be provided with in the described body: analog module, link to each other with described inductive coil, the physical clearance that is used for described inductive coil is collected is converted to analog electrical signal; Digital circuit blocks links to each other with described analog module; Be used for outputing to described after the described analog electrical signal processing external.
The other end of described body is provided with seal closure, is equiped with electric connector on the described seal closure, and described electric connector links to each other with described digital circuit blocks.
Described analog module is located on the analog circuit board, and described digital circuit blocks is located on the digital circuit board, and described digital circuit board and analog circuit board are passed through the support closed assembly in described body.
Be provided with the heat radiation gap between described digital circuit board and the analog circuit board.
The utlity model has following beneficial effect:
1, the orbit gap sensor for low speed magnetic suspension train of the present utility model, filling epoxy resin solidifies inductive coil and is positioned in the described probe, so that the one-piece construction of orbit gap sensor is more firm, can increase the serviceable life of orbit gap sensor, reduce the fault occurrence probability.
2, the orbit gap sensor for low speed magnetic suspension train of the present utility model, the mode that adopts mimic channel and digital circuit to set up separately, be convenient to fault diagnosis and maintenance, can effectively reduce simultaneously the phase mutual interference between mimic channel and the digital circuit, so that the measurement result of inductive coil is more accurate; In addition, seal closure is set cooperates the consolidated structures of three inductive coils can reduce external electromagnetic ripple, current and iron powder etc. to the interference of inner mimic channel and digital circuit, so that the anti-radio interference ability of orbit gap sensor is stronger, measurement result is more accurate reliable.
Except purpose described above, feature and advantage, the utility model also has other purpose, feature and advantage.The below is described in further detail the utility model with reference to figure.
Description of drawings
The accompanying drawing that consists of the application's a part is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the composition structural representation of the utility model preferred embodiment.
Marginal data:
1, inductive coil; 2, body; 3, seal closure; 4, electric connector; 5, analog circuit board; 6, digital circuit board; 7, probe.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
Referring to Fig. 1, orbit gap sensor for low speed magnetic suspension train of the present utility model, the probe 7 that comprises body 2 and be located at an end of body 2, the quantity that is provided with plural inductive coil 1(inductive coil 1 in the probe 7 is preferably three), be filled with epoxy resin in the probe 7, epoxy resin is coated on inductive coil 1 outside and is filled between the adjacent inductive coil 1.
Filling epoxy resin solidifies inductive coil 1 and is positioned to pop one's head in 7, so that the one-piece construction of orbit gap sensor is more firm, can increase the serviceable life of orbit gap sensor, reduce the fault occurrence probability, effectively eliminate the impact on measuring such as current and iron powder simultaneously.
In the present embodiment, be provided with in the body 2: analog module, link to each other with inductive coil 1, the physical clearance that is used for inductive coil 1 is collected is converted to analog electrical signal; Digital circuit blocks links to each other with analog module; Be used for and output to outside the body 2 after the analog electrical signal processing.Analog module is located on the analog circuit board 5, and digital circuit blocks is located on the digital circuit board 6, and digital circuit board 6 passes through the support closed assembly in body 2 with analog circuit board 5.The mode that adopts mimic channel and digital circuit to set up separately is convenient to fault diagnosis and maintenance, and the while can reduce the phase mutual interference between mimic channel and the digital circuit effectively, so that the measurement result of inductive coil 1 is more accurate.
In the present embodiment, be provided with the heat radiation gap between digital circuit board 6 and the analog circuit board 5.The gap can realize by support, can increase the heat-dissipating space of digital circuit board 6 and analog circuit board 5, and simultaneously, this gap also can reduce the phase mutual interference between mimic channel and the digital circuit.
In the present embodiment, the other end of body 2 is provided with seal closure 3, is equiped with electric connector 4 on the seal closure 3, and electric connector 4 links to each other with digital circuit blocks.Seal closure 3 is set can reduces external electromagnetic ripple, current and iron powder etc. to the interference of inner mimic channel and digital circuit, so that the anti-radio interference ability of orbit gap sensor is stronger, measurement result is more accurate reliable.
Orbit gap sensor of the present utility model is specially adapted to the measurement of middle low speed magnetic suspension train orbit gap.When producing fault, can the integral replacing sensor or only change digital circuit board 6 and analog circuit board 5, convenient and swift, can shorten servicing time, raise the efficiency.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (6)
1. orbit gap sensor that is used for low speed magnetic suspension train, the probe (7) that comprises body (2) and be located at an end of described body (2), be provided with plural inductive coil (1) in the described probe (7), it is characterized in that, described probe is filled with epoxy resin in (7), and described epoxy resin is coated on described inductive coil (1) outside and is filled between the adjacent described inductive coil (1).
2. orbit gap sensor according to claim 1 is characterized in that, the quantity of described inductive coil (1) is three.
3. orbit gap sensor according to claim 1 and 2, it is characterized in that, described body is provided with in (2): analog module, link to each other with described inductive coil (1), and the physical clearance that is used for described inductive coil (1) is collected is converted to analog electrical signal;
Digital circuit blocks links to each other with described analog module; Be used for and output to outside the described body (2) after the described analog electrical signal processing.
4. orbit gap sensor according to claim 3, it is characterized in that, the other end of described body (2) is provided with seal closure (3), is equiped with electric connector (4) on the described seal closure (3), and described electric connector (4) links to each other with described digital circuit blocks.
5. orbit gap sensor according to claim 4, it is characterized in that, described analog module is located on the analog circuit board (5), described digital circuit blocks is located on the digital circuit board (6), and described digital circuit board (6) passes through the support closed assembly in described body (2) with analog circuit board (5).
6. orbit gap sensor according to claim 5 is characterized in that, is provided with the heat radiation gap between described digital circuit board (6) and the analog circuit board (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220498659 CN202853564U (en) | 2012-09-27 | 2012-09-27 | Track gap sensor for low-speed maglev train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220498659 CN202853564U (en) | 2012-09-27 | 2012-09-27 | Track gap sensor for low-speed maglev train |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202853564U true CN202853564U (en) | 2013-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220498659 Expired - Lifetime CN202853564U (en) | 2012-09-27 | 2012-09-27 | Track gap sensor for low-speed maglev train |
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| Country | Link |
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| CN (1) | CN202853564U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333810A (en) * | 2015-11-03 | 2016-02-17 | 西南交通大学 | Low-speed magnetic suspension train gap sensor in three-probe time sharing detection |
| CN111739709A (en) * | 2020-08-07 | 2020-10-02 | 宁波中车时代传感技术有限公司 | Lightweight suspension sensor and preparation method thereof |
| CN113251980A (en) * | 2021-06-23 | 2021-08-13 | 湖南磁浮技术研究中心有限公司 | Magnetic suspension train sensor error calibration method, device, equipment and storage medium |
-
2012
- 2012-09-27 CN CN 201220498659 patent/CN202853564U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333810A (en) * | 2015-11-03 | 2016-02-17 | 西南交通大学 | Low-speed magnetic suspension train gap sensor in three-probe time sharing detection |
| CN105333810B (en) * | 2015-11-03 | 2018-01-05 | 西南交通大学 | The probe timesharing detection medium-and low-speed maglev train gap sensor of one kind three |
| CN111739709A (en) * | 2020-08-07 | 2020-10-02 | 宁波中车时代传感技术有限公司 | Lightweight suspension sensor and preparation method thereof |
| CN111739709B (en) * | 2020-08-07 | 2020-11-13 | 宁波中车时代传感技术有限公司 | Lightweight suspension sensor and preparation method thereof |
| CN113251980A (en) * | 2021-06-23 | 2021-08-13 | 湖南磁浮技术研究中心有限公司 | Magnetic suspension train sensor error calibration method, device, equipment and storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 412002 China Aviation Research Institute, Dong Jia Gao high tech park, Zhuzhou, Hunan Patentee after: AECC HUNAN AVIATION POWERPLANT Research Institute Address before: 412002 Dong Jiaduan, Zhuzhou, Hunan Patentee before: CHINA AVIATION POWER MACHINERY INSTITUTE |
|
| CP03 | Change of name, title or address | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180705 Address after: 412002 Dong Jia Gao Garden (608 inside), Zhuzhou, Hunan Patentee after: Zhuzhou 608 science and Technology Co.,Ltd. Address before: 412002 China Aviation Research Institute, Dong Jia Gao high tech park, Zhuzhou, Hunan Patentee before: AECC HUNAN AVIATION POWERPLANT Research Institute |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130403 |
|
| CX01 | Expiry of patent term |