CN207763648U - A kind of gap sensor - Google Patents
A kind of gap sensor Download PDFInfo
- Publication number
- CN207763648U CN207763648U CN201820090555.3U CN201820090555U CN207763648U CN 207763648 U CN207763648 U CN 207763648U CN 201820090555 U CN201820090555 U CN 201820090555U CN 207763648 U CN207763648 U CN 207763648U
- Authority
- CN
- China
- Prior art keywords
- circuit
- output end
- connect
- sensor
- input terminal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses a kind of gap sensor, sensor main body is detachably connected with sensor probe, and the remote track side of sensor main body is equipped with display unit, and the nearly track side of sensor main body is provided with cooling fin；The output end of range finding probe and the input terminal of synchronous demodulation circuit connect, the output end of synchronous demodulation circuit and the input terminal of signal conditioning circuit connect, the output end of signal conditioning circuit is connect after AD sample circuits with governor circuit, the output end of governor circuit is connect with telecommunication circuit and display circuit respectively, and the output end of display circuit is connect with display unit.Outpost display is carried out to measurement data in Maintenance and Repair；Split-type design reduces production and processing and site installation test difficulty；Radiator portion area is increased in operational process, improves the reliability that circuit works under high temperature.
Description
Technical field
The utility model is related to sensor detecting field, especially a kind of gap sensor.
Background technology
Eddy displacement sensor is mainly used for the movement that research measures high-speed rotating machinery and the machinery of reciprocating
The research of track data, and vibration etc..Eddy displacement sensor especially shakes to non-contacting high-precision in analysis measures
Dynamic, displacement signal continuously can accurately collect many kinds of parameters of the tracks such as vibration, rotation movement.It applies in magnetic suspension field
For measuring distance between train and F rails, gap sensor is mounted on electromagnet pole plate, and gap senses when train high-speed cruising
The distance between device probe measurement and F rail walls and by real-time data transmission to suspension controller, but tieed up in Train Stopping
When repairing detection, measurement data cannot be shown at the scene, it has not been convenient to Maintenance and Repair work expansion.In addition, prior art gap senses
Device is mostly to be integrally formed design, since gap sensor shape is irregular L-type, is integrally formed design and has in actual processing
It acquires a certain degree of difficulty, and inconvenient site installation test.Third, in hot weather Train operational process, in gap sensor
Portion's circuit will produce a large amount of heat and can not exclude that internal circuit component aging will be caused in time, reduce the accuracy of measurement.
Utility model content
The purpose of this utility model is to provide a kind of gap sensor, can show to measurement data in Maintenance and Repair
Field displaying；Split-type design reduces production and processing and site installation test difficulty；Radiating part facet is increased in operational process
Product improves the reliability that circuit works under high temperature.
To achieve the above object, the utility model uses following technical proposals：
A kind of gap sensor, including sensor main body and sensor probe, sensor main body are mounted on electromagnet pole plate
Place, sensor probe are internally provided with range finding probe, measure the distance value that train leaves F rails, the sensor main body and sensing
Device probe is detachably connected, and the remote track side of sensor main body is equipped with display unit, the nearly track side of sensor main body
It is provided with cooling fin；The output end of range finding probe and the input terminal of synchronous demodulation circuit connect, the output end of synchronous demodulation circuit
It is connect with the input terminal of signal conditioning circuit, the output end of signal conditioning circuit connects after AD sample circuits with governor circuit
It connects, the output end of governor circuit is connect with telecommunication circuit and display circuit respectively, and output end and the display unit of display circuit connect
It connects.
Further, the sensor main body is connect with sensor probe by conductive seal circle.
Further, the governor circuit includes FPGA and main control singlechip, the output ends of AD sample circuits and FPGA's
Input terminal connects, and the output end of FPGA is connect with telecommunication circuit all the way, the input terminal connection of another way and main control singlechip, master control
The output end of microcontroller and the input terminal of display circuit connect.
Further, the governor circuit includes FPGA, and the output end of AD sample circuits and the input terminal of FPGA connect,
The output end of FPGA is connect with telecommunication circuit all the way, the input terminal connection of another way and display circuit.
The utility model has the beneficial effects that
The utility model provides a kind of gap sensor, which is removable with sensor probe part
Connection is unloaded, sealing waterproof connection is realized by conductive seal circle, facilitates the manufacturing in process, during installation and debugging
Also reduce installation difficulty；Transducer body portion side is equipped with display unit, can be shown in real time during debugging and maintenance
Show sensor values, it is convenient to overhaul；The other side of transducer body portion is equipped with cooling fin, increases the heat dissipation of internal circuit
Area effectively reduces internal circuit environment temperature in actual motion, increases the reliability of circuit normal work.
Description of the drawings
Fig. 1 is the utility model gap sensor structural schematic diagram；
Fig. 2 is gap sensor main part structural schematic diagram；
Fig. 3 is gap sensor probe segment structural schematic diagram；
Fig. 4 is the gap sensor circuit diagram of embodiment one；
Fig. 5 is the circuit diagram of the gap sensor of embodiment two.
Specific implementation mode
As shown in Figure 1 to Figure 3, a kind of gap sensor, including sensor probe 1 and sensor main body 2, sensor main body
2 are mounted at electromagnet pole plate, and sensor probe 1 is internally provided with range finding probe, the quantity at least three of range finding probe, wherein
Two normal uses, a redundancy backup increase reliability.Range finding probe measures the distance value that train leaves track, sensor master
Body is detachably connected with sensor probe, and sensor main body is connect with sensor probe by conductive seal circle；Conductive seal circle
It can realize transducer body portion and sensor probe portion connection waterproof, protect internal circuit functional reliability.Sensing
The remote track side of device main body is equipped with display unit, and sensor values, sensor master can be shown when parking maintenance is safeguarded
The nearly track side of body is provided with cooling fin.
Embodiment one
As shown in figure 4, the induction coil of range finding probe will be converted into voltage signal in real time at a distance from orbital plane, ranging is visited
The output end and the input terminal of synchronous demodulation circuit of head connect all the way, signal source after amplification and rectification circuit signal processing with it is synchronous
The input terminal another way of demodulator circuit connects, and the output end of synchronous demodulation circuit and the input terminal of signal conditioning circuit connect, letter
The output end of number modulate circuit is connect after AD sample circuits with governor circuit, and governor circuit includes FPGA and master control monolithic
Machine, the output end of AD sample circuits and the input terminal of FPGA connect, and the output end of FPGA is connect with 485 telecommunication circuits all the way,
The output end another way of FPGA and the input terminal of main control singlechip connect, the input of the output end and display circuit of main control singlechip
End connection.
Embodiment two
As shown in figure 5, the induction coil of range finding probe will be converted into voltage signal in real time at a distance from orbital plane, ranging is visited
The output end and the input terminal of synchronous demodulation circuit of head connect all the way, signal source after amplification and rectification circuit signal processing with it is synchronous
The input terminal another way of demodulator circuit connects, and the output end of synchronous demodulation circuit and the input terminal of signal conditioning circuit connect, letter
The output end of number modulate circuit is connect after AD sample circuits with governor circuit, and governor circuit includes FPGA, AD sample circuits
Output end and the input terminal of FPGA connect, the output end of FPGA connect with telecommunication circuit all the way, another way and display circuit
Input terminal connects.
It is above-mentioned although specific embodiments of the present invention are described with reference to the accompanying drawings, but not to this practicality newly
The limitation of type protection domain, those skilled in the art should understand that, based on the technical solution of the present invention, ability
Field technique personnel need not make the creative labor the various modifications or changes that can be made still in the protection model of the utility model
Within enclosing.
Claims (4)
1. a kind of gap sensor, including sensor main body and sensor probe, sensor main body is mounted at electromagnet pole plate,
Sensor probe is internally provided with range finding probe, measures the distance value that train leaves track, characterized in that the sensor main body
It is detachably connected with sensor probe, the remote track side of sensor main body is equipped with display unit, the nearly rail of sensor main body
Road side is provided with cooling fin；The output end of range finding probe and the input terminal of synchronous demodulation circuit connect, synchronous demodulation circuit
The input terminal of output end and signal conditioning circuit connects, and the output end of signal conditioning circuit is electric with master control after AD sample circuits
Road connects, and the output end of governor circuit is connect with telecommunication circuit and display circuit respectively, and the output end of display circuit and display are single
Member connection.
2. a kind of gap sensor as described in claim 1, characterized in that the sensor main body passes through with sensor probe
Conductive seal circle connects.
3. a kind of gap sensor as described in claim 1, characterized in that the governor circuit includes FPGA and master control monolithic
Machine, the output end of AD sample circuits and the input terminal of FPGA connect, and the output end of FPGA is connect with telecommunication circuit all the way, another way
It is connect with the input terminal of main control singlechip, the output end of main control singlechip and the input terminal of display circuit connect.
4. a kind of gap sensor as described in claim 1, characterized in that the governor circuit includes FPGA, AD sampling electricity
The output end on road and the input terminal of FPGA connect, and the output end of FPGA is connect with telecommunication circuit all the way, another way and display circuit
Input terminal connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820090555.3U CN207763648U (en) | 2018-01-19 | 2018-01-19 | A kind of gap sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820090555.3U CN207763648U (en) | 2018-01-19 | 2018-01-19 | A kind of gap sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207763648U true CN207763648U (en) | 2018-08-24 |
Family
ID=63181118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820090555.3U Active CN207763648U (en) | 2018-01-19 | 2018-01-19 | A kind of gap sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207763648U (en) |
-
2018
- 2018-01-19 CN CN201820090555.3U patent/CN207763648U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207132874U (en) | The microcosmic displacement detecting instrument of GIS Bellows expansion joints | |
| CN108196118A (en) | A kind of disconnecting switch output power of motor detection device | |
| CN107687909A (en) | A kind of cable temperature monitoring system based on Intelligent internet of things | |
| CN103278263A (en) | Intelligent verification system of pressure type thermometers | |
| CN105292175A (en) | Rail defect detecting method and system and vehicle | |
| CN105128693A (en) | Medium and low speed magnetic levitation train air gas detection system and method | |
| CN207763648U (en) | A kind of gap sensor | |
| CN107893828B (en) | Real-time on-line monitoring system for abrasion condition of brake pad of motor train unit | |
| CN205981506U (en) | Locomotive shoegear contact force detection device | |
| CN103234650A (en) | Method for measuring axle box bearing instant temperature of bullet train bogie | |
| CN103528517A (en) | Optical fiber type on-line sectional real-time carbon pantograph slider abrasion detection system | |
| CN203323920U (en) | Intelligent verification system for pressure-type thermometer | |
| CN110228374B (en) | Suspension gap sensor mounting device for medium-low speed maglev train | |
| CN208333411U (en) | High-speed railway simply supported beam expansion joint monitoring device | |
| CN2274757Y (en) | Apparatus for measuring deformation of rails effected by temperature | |
| CN110285748A (en) | Tip clearance calibration measuring system and method based on shrouded blade coupling feature | |
| CN202975039U (en) | Device for measuring rotating speed of rotating member through electrostatic sensor | |
| CN202420543U (en) | Automobile sensor detecting equipment | |
| CN209008599U (en) | A kind of third rail detection system | |
| CN210734164U (en) | Auxiliary measuring device for railway steel rail displacement monitoring | |
| CN108622130A (en) | A kind of novel track component detection system | |
| CN210346585U (en) | Detection apparatus suitable for goat shows pole | |
| CN201309492Y (en) | Integrated railroad wheel on-line track detection device | |
| CN211085467U (en) | A calibration system for taking hat blade vibration measurement | |
| CN204514463U (en) | A kind of inertia vibration-measuring sensor based on Hall effect |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A kind of gap sensor Effective date of registration: 20210427 Granted publication date: 20180824 Pledgee: Shandong Feicheng Rural Commercial Bank Co.,Ltd. Pledgor: SHANDONG HESHUN ELECTRIC Co.,Ltd. Registration number: Y2021980003088 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230423 Granted publication date: 20180824 Pledgee: Shandong Feicheng Rural Commercial Bank Co.,Ltd. Pledgor: SHANDONG HESHUN ELECTRIC CO.,LTD. Registration number: Y2021980003088 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A gap sensor Effective date of registration: 20230518 Granted publication date: 20180824 Pledgee: Shandong Feicheng Rural Commercial Bank Co.,Ltd. Pledgor: SHANDONG HESHUN ELECTRIC CO.,LTD. Registration number: Y2023980041010 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |