CN208488187U - Fiber grating temperature sensor monitoring device for rail vehicle electric connecting point - Google Patents
Fiber grating temperature sensor monitoring device for rail vehicle electric connecting point Download PDFInfo
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- CN208488187U CN208488187U CN201821122277.1U CN201821122277U CN208488187U CN 208488187 U CN208488187 U CN 208488187U CN 201821122277 U CN201821122277 U CN 201821122277U CN 208488187 U CN208488187 U CN 208488187U
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- fiber grating
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Abstract
The utility model belongs to technical field of optical fiber sensing, and in particular to a kind of fiber grating temperature sensor monitoring device for rail vehicle electric connecting point.The transmission fiber grating of the utility model is configured in vehicle body, the tail optical fiber of transmission fiber grating is connected with fiber grating demodulation device, the other side of transmission fiber grating is connected with fiber grating temperature sensor, data processing equipment is connect with fiber grating demodulation device, fiber grating temperature sensor configures inside the electric connecting point port of vehicle body, fiber grating temperature sensor includes optical fiber, temperature sensing component, armouring pillar, optical fiber one end free end, other end fixing end, temperature sensing component is fixed among optical fiber, temperature sensing component both ends are optical fiber output hole, armouring pillar is arranged in the extraction optical fiber at temperature sensing component both ends.The advantages that device of the utility model has structure mini simple, easy for installation, and temperature sensitivity is high, meets the harsh environments of train frequent vibration.
Description
Technical field
The utility model belongs to technical field of optical fiber sensing, and in particular to a kind of light for rail vehicle electric connecting point
Fine grating temperature grating sensing monitoring device.
Background technique
Temperature monitoring device is installed at rail vehicle electric connecting point, the time of electrical equipment malfunction processing can be shortened,
Equipment damage rate is reduced, power supply reliability and safety are improved, increases enterprise and social benefit.Report rail vehicle is electrical at present
Common temperature monitoring equipment is mostly electric transducer in the power equipments such as tie point.Chinese invention patent CN201010210601.7
Disclose a kind of overtemperature alarm for distribution transformer outlet wire connecting points, including signal acquisition circuit, signal judging circuit, optical transmitter and receiver
The temperature online prison to electric outlet connecting position of wires may be implemented in circuit, optical fibre communication cable, distribution intelligent control center
It surveys.But the above-mentioned signal transmission system based on electric transducer principle is easy by electromagnetic interference, short electrical equipment malfunction processing
Time is longer, and does not consider issues of temperature compensation.
Fiber grating sensing technology because have volume is subtle, optical signal transmission electromagnetism interference, can multiple fiber grating strings
Connect multiplexing, be easy to networking measurement, can the outstanding advantages such as real-time online and long-term detection, obtained the monitoring of rail vehicle electrical temperature
The attention in field.
In the prior art, a kind of parallel multi-point type optical fiber temperature that Chinese patent CN 200920351893.9 is announced passes
Sensor, combined by array waveguide grating and by the optical fiber sensor head that epoxy resin encapsulates can be achieved it is high-resolution parallel more
Point temperature measurement, but positioning accuracy is lower and does not have many advantages of optical fiber grating sensing, using limited.Chinese patent
CN201020531803.7 is related to a kind of all-fiber current transformator, including the sensor fibre and electronics using optical cable connection
Sensor cannot achieve real-time online detection although high-precision, highly reliable measurement may be implemented.Optical fiber grating sensing system
System is chiefly used at the switching node of Electric Appliance Cabinet for temperature collection signal, and Chinese patent CN201520388725.2 discloses one kind
Switch cabinet temperature on-Line Monitor Device, fibre optic temperature sensor access device master controller, and it is mounted on the switch in switchgear
The internal temperature of switchgear is monitored in contact, bus and cable connector position, realization on-line；Chinese patent
CN200820228388.0 discloses a kind of fiber grating electric power temperature monitoring system, is acquired by fiber grating temperature sensor
Measuring point position and real-time temperature values in high-tension switch cabinet, are transferred to fiber Bragg grating (FBG) demodulator by termination box and transmission cable,
Photoelectricity demodulation is carried out to temperature signal, when overheating fault occurs for switch cabinet contact, the position clearly broken down, due to system
It can indicate that the precise location that failure occurs, therefore can effectively guided maintenance work；Chinese patent CN201120457030.7 is related to
And a kind of electric power temperature control system, fan motor operation is controlled when PLC when the temperature is excessively high, can be passed through in high-tension switch cabinet.
But also there is not patent to be related to this working environment of rail vehicle electric connecting point is applied to.
Utility model content
In view of the deficiencies of the prior art, the utility model provides the fiber grating temperature for rail vehicle electric connecting point
Spend grating sensing monitoring device.Electrical socket two-terminal between vehicle and vehicle may bring poor contact due to vibration etc., produce
Flower of lighting a fire generates heat, and temperature is excessively high, easy to cause fire, needs to progress temperature monitoring at rail vehicle tie point.The utility model
It proposes and monitors system for the fiber grating temperature sensor of rail vehicle electric connecting point, solve existing sensor and fail to set
The problem of being placed in rail vehicle electric connecting point, suitable for the occasion that need to be measured at various rail vehicle tie points.
The technical solution of the utility model is: the fiber grating temperature sensor for rail vehicle electric connecting point monitors dress
It sets, including rail vehicle electric connecting point, fiber grating temperature sensor, fiber grating temperature sensor becomes for sense temperature
Change and to transmission fiber grating input temp signal, it is characterised in that: transmission fiber grating is configured in vehicle body, transmission fiber
The tail optical fiber of grating is connected with fiber grating demodulation device, the other side and the fiber grating temperature sensor phase of transmission fiber grating
Even, data processing equipment is connect with fiber grating demodulation device, and fiber grating temperature sensor configures electrically connecting in vehicle body
Inside contact port, fiber grating temperature sensor includes optical fiber, temperature sensing component, armouring pillar, optical fiber one end free end,
Other end fixing end, temperature sensing component are fixed among optical fiber, and temperature sensing component both ends are optical fiber output hole, temperature sensing group
Armouring pillar is arranged in the extraction optical fiber at part both ends.
According to the fiber grating temperature sensor monitoring device as described above for being used for rail vehicle electric connecting point, feature
Be: the armouring pillar is connected by modes such as screw thread, bolt, interference fit or welding with temperature sensing component.
According to the fiber grating temperature sensor monitoring device as described above for being used for rail vehicle electric connecting point, feature
Be: the electric connecting point port is DC110V electric connecting point port.
According to the fiber grating temperature sensor monitoring device as described above for being used for rail vehicle electric connecting point, feature
Be: the electric connecting point port is DC600V electric connecting point port.
According to the fiber grating temperature sensor monitoring device as described above for being used for rail vehicle electric connecting point, feature
Be: fiber grating temperature sensor further includes two layers of protective layer；First layer is aluminum sheet, and aluminum sheet is by fiber grating temperature
Degree sensor is wrapped in it, carries out first floor protection to fiber grating temperature sensor to realize；The second layer uses polyurethane
Polymer coating is applied to fiber grating temperature sensor outer layer.
The beneficial effect that the utility model can produce is: the fiber-optic grating sensor is used for rail vehicle electric connecting point
Place, while having that structure mini is simple, easy for installation, temperature sensitivity is high, and temperature measurement result effect is good, and it is frequent to meet train
The advantages that harsh environments of vibration.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be apparent that, the accompanying drawings in the following description is only that one of the utility model is optimal
Embodiment for those of ordinary skill in the art without creative efforts, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 show the utility model optical fiber grating sensing monitoring device.
Fig. 2 show fibre optic temperature sensor.
Fig. 3 show common rail vehicle electric connecting point port organization figure.
Description of symbols: rail vehicle electric connecting point 1, fiber grating temperature sensor 2, vehicle body 3, transmission fiber
Grating 4, fiber grating demodulation device 5, data processing equipment 6, optical fiber 7, temperature sensing component 8, armouring pillar 9, DC110V electricity
Gas tie point port 10, DC600V electric connecting point port 11.
Specific embodiment
The technical solution of the utility model is described further below in conjunction with attached drawing.
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
It clearly and completely describes, it is clear that described embodiment is only the utility model a part of the embodiment, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained, fall within the protection scope of the utility model.
Present embodiment discloses a kind of fiber grating temperature sensor monitoring device for rail vehicle electric connecting point, light
Fiber grating sensor is installed at rail vehicle electric connecting point as testee, synthermal with testee one by detecting
The temperature conditions of fiber grating in the fiber-optic grating sensor of variation, to realize the temperature conditions for measuring testee.
As shown in Figure 1, the optical fiber grating sensing monitoring device schematic diagram of the utility model, optical fiber grating sensing monitoring device
Including rail vehicle electric connecting point 1, configure in electric connecting point port inside micro fiber grating temperature sensor 2, optical fiber
Grating temperature sensor 2 changes for sense temperature and to 4 input temp signal of transmission fiber grating, and transmission fiber grating 4 is matched
Be placed in vehicle body 3, the tail optical fiber of transmission fiber grating 4 is connected with fiber grating demodulation device 5, transmission fiber grating 4 it is another
Side is connected with fiber grating temperature sensor 2, and data processing equipment 6 is connect with fiber grating demodulation device 5, data processing equipment
6 demodulate the specific value of temperature signal by the wavelength shift of transmission fiber grating 4, realize temperature detection, and show
Come.It should be understood that the data processing method of data processing equipment 6 is not limited to: data are shown, data are analyzed, data meter
Calculation and graphical data, such as data processing equipment 6 is PC, display equipment, processor.
As shown in Fig. 2, the fiber grating temperature sensor 2 of the utility model includes optical fiber 7, temperature sensing component 8, armouring
Pillar 9,7 one end free end of optical fiber, other end fixing end, temperature sensing component 8 are fixed among optical fiber 7, temperature sensing component 8
Both ends are that optical fiber 7 portals, and draw optical fiber 7 and are protected with armouring pillar 9, armouring pillar 9 can be by being not limited to screw thread, spiral shell
The modes such as bolt, interference fit, welding are connected with temperature sensing component.Since armouring pillar 9 is mounted on 8 liang of temperature sensing component
Side so armouring pillar 9 is not only able to protection temperature sensing component 8, and does not influence temperature to the shadow of temperature sensing component 8
It rings.
The fiber grating temperature sensor 2 of the utility model can also include two layers of protective layer；First layer is aluminum sheet,
Fiber grating temperature sensor 2 is wrapped in it by aluminum sheet, to carry out the first floor to fiber grating temperature sensor 2 in advance
Protection；The second layer is that polyether polyols coating is applied to 2 outer layer of fiber grating temperature sensor, is wrapped by large area, real
Now to two layers of protection of fiber grating temperature sensor 2；Through this process, can make greatly to promote fiber grating temperature sensor
2 shock resistances and waterproof performance meet the harsh environments of train frequent vibration.
As shown in figure 3, there are DC110V electric connecting point port 10 and DC600V electrical connection in common electrical socket connectivity port
Point port 11, fiber grating temperature sensor 2 are entered inside rail vehicle electric connecting point by port.
The specific embodiment of fibre optic temperature sensor in the present embodiment is described in detail below in conjunction with Fig. 1:
In one embodiment, when 1 temperature of rail vehicle electric connecting point changes, transmission fiber grating 4 conducts temperature
Signal is spent, when 2 sense temperature of fiber grating temperature sensor changes, 2 both ends of fiber grating temperature sensor are in free state,
To realize the situation of change of sense temperature, fiber bragg grating center wavelength is caused to drift about.
In one embodiment, with reference to Fig. 1, the perceptual signal of fiber grating temperature sensor 2 passes through transmission fiber grating 4
It is transmitted, transmission fiber grating 4 is drawn by vehicle body 3, guarantees that signal is transmitted to demodulating equipment 5 and data processing equipment 6.
In one embodiment, with reference to Fig. 1, the tail optical fiber of transmission fiber grating 4 is connected with fiber grating demodulation device 5, number
Fiber grating temperature sensor 2 is connected by fiber grating demodulation device 5 according to processing unit 6, passes through fiber grating temperature sensor
The wavelength shift of device 2 demodulates the specific value of temperature signal, realizes temperature detection.It should be understood that data processing fills
Set 6 data processing method to be not limited to: data are shown, data analysis, data calculate and graphical data, such as data processing
Device 6 is PC, display equipment, processor etc..
The software that data processing equipment 6 as described in this embodiment can be the hardware being directly embedded into, processor executes
The combination of module or the two, software module can store in RAM memory, flash memory, ROM memory, eprom memory,
In eeprom memory, register, hard disk, moveable magnetic disc, CD-ROM or this field in other any form of storaging mediums.
Storaging medium can be connect with data processing equipment 6, so that data processing equipment 6 can read information from storaging medium,
And it can be to storaging medium stored and written information.Optionally, storaging medium can also be integrated into data processing equipment.
In addition, the installation and detection of the utility model sensing and monitoring system may be implemented in conjunction with Fig. 1.
With reference to Fig. 1, which includes fiber grating temperature sensor 2, transmission
Fiber grating 4, fiber grating demodulation device 5, data processing equipment 6.
With reference to Fig. 2, which includes optical fiber 7, temperature sensing component 8, armouring shield
Pipe 9.
When installation, temperature sensing component 8 is packaged in the center of optical fiber 7 first, 7 one end of optical fiber is in nature shape
State, one end are in stationary state, then temperature change is conducted to by the temperature sensing component 8 mainly induction ambient temperature variation
Optical fiber 7.Therefore in the raw, intermediate perception component 8 is fixed, and tests its sensitivity for 7 one end of optical fiber when installing.
Then, armouring pillar 9 is fixed on to the both ends of perception component 8, one end tail optical fiber of optical fiber 7 passes through armouring pillar 9
Optical fiber output hole is drawn.
Then, it is polished and is cleaned at each rail vehicle electric connecting point 1, dip a small amount of alcohol with dust-free paper,
Rail vehicle electric connecting point 1 is wiped, confirmation installation site is clean and dry and without carrying out fiber grating again after greasy dirt etc.
Fiber grating temperature sensor 2 is fixed on set tested point with the dedicated binder of cable industry by the installation of temperature sensor 2,
The front of compression sensor firmly, it is finally with sensor Special fixing clip that fiber grating temperature sensor 2 is fixed；Aluminum is thin
Piece carries out first floor protection to fiber grating temperature sensor 2；Monitoring position is carried out greatly using polyether polyols coating
Area wraps, and protects as two layers；Consolidation process is carried out to transmission fiber grating 4 and 2 junction of fiber grating temperature sensor；
It is protected in entirely monitoring outer surface using waterproof material.
Followed by transmission fiber grating 4 will be passed with the dedicated binder of cable industry at a certain distance by vehicle body 3
Defeated fiber grating 4 is fixed in 3 channel of vehicle body.
Finally, the tail optical fiber of transmission fiber grating 4 is connected with fiber grating demodulation device 5, data processing equipment 6 and light
Fine grating demodulation device 5 is connected, can be with by analyzing vibration and the drift value signal of ambient temperature change information
Detect vibration and the variation of ambient temperature.
The optical fiber grating sensing monitoring device of the present embodiment can be used for the circuit connections such as electric power cabinet position simultaneously, be applicable in
Working environment it is more extensive.In addition, it is simple based on self structure, therefore be easily installed and safeguard.
It should be appreciated that the first and second equal determiners mentioned in the utility model embodiment, just to more clearly
The technical solution for describing the utility model embodiment uses, can not be to limit the protection scope of the utility model.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, made any modification, equivalent replacement etc. should be included in the protection of the utility model
Within the scope of.
Claims (5)
1. being used for the fiber grating temperature sensor monitoring device of rail vehicle electric connecting point, including rail vehicle electrical connection
Point, fiber grating temperature sensor, fiber grating temperature sensor change for sense temperature and input to transmission fiber grating
Temperature signal, it is characterised in that: transmission fiber grating is configured in vehicle body, the tail optical fiber and fiber grating solution of transmission fiber grating
Device is adjusted to be connected, the other side of transmission fiber grating is connected with fiber grating temperature sensor, data processing equipment and optical fiber light
The connection of grid demodulating equipment, fiber grating temperature sensor configure the fiber grating temperature inside the electric connecting point port of vehicle body
Spending sensor includes optical fiber, temperature sensing component, armouring pillar, optical fiber one end free end, other end fixing end, temperature sensing group
Part is fixed among optical fiber, and temperature sensing component both ends are optical fiber output hole, and armour is arranged in the extraction optical fiber at temperature sensing component both ends
Fill pillar.
2. the fiber grating temperature sensor monitoring device according to claim 1 for rail vehicle electric connecting point,
Be characterized in that: the armouring pillar is connected by screw thread, bolt, interference fit or welding manner with temperature sensing component.
3. the fiber grating temperature sensor monitoring device according to claim 1 for rail vehicle electric connecting point,
Be characterized in that: the electric connecting point port is DC110V electric connecting point port.
4. the fiber grating temperature sensor monitoring device according to claim 1 for rail vehicle electric connecting point,
Be characterized in that: the electric connecting point port is DC600V electric connecting point port.
5. the fiber grating temperature sensor monitoring device according to claim 1 for rail vehicle electric connecting point,
Be characterized in that: fiber grating temperature sensor further includes two layers of protective layer；First layer is aluminum sheet, and aluminum sheet is by optical fiber light
Grid temperature sensor is wrapped in it, carries out first floor protection to fiber grating temperature sensor to realize；The second layer is using poly-
Urethane polymers coating is applied to fiber grating temperature sensor outer layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821122277.1U CN208488187U (en) | 2018-07-16 | 2018-07-16 | Fiber grating temperature sensor monitoring device for rail vehicle electric connecting point |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821122277.1U CN208488187U (en) | 2018-07-16 | 2018-07-16 | Fiber grating temperature sensor monitoring device for rail vehicle electric connecting point |
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| Publication Number | Publication Date |
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| CN208488187U true CN208488187U (en) | 2019-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821122277.1U Active CN208488187U (en) | 2018-07-16 | 2018-07-16 | Fiber grating temperature sensor monitoring device for rail vehicle electric connecting point |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024058744A1 (en) * | 2022-09-12 | 2024-03-21 | Sazcilar Otomotiv Sanayi Ve Ticaret Anonim Sirketi | A front face part for rail system vehicle |
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2018
- 2018-07-16 CN CN201821122277.1U patent/CN208488187U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024058744A1 (en) * | 2022-09-12 | 2024-03-21 | Sazcilar Otomotiv Sanayi Ve Ticaret Anonim Sirketi | A front face part for rail system vehicle |
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