CN204301866U - Contactless contact net wire clamp on-line temperature monitoring device - Google Patents
Contactless contact net wire clamp on-line temperature monitoring device Download PDFInfo
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- CN204301866U CN204301866U CN201420862615.0U CN201420862615U CN204301866U CN 204301866 U CN204301866 U CN 204301866U CN 201420862615 U CN201420862615 U CN 201420862615U CN 204301866 U CN204301866 U CN 204301866U
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- China
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- monitoring device
- infrared sensor
- contact net
- wire clamp
- processing module
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Abstract
The utility model discloses a kind of contactless contact net wire clamp on-line temperature monitoring device, relate to temperature measuring equipment technical field.Described monitoring device comprises shell, camera lens, Fresnel Lenses, infrared sensor, signal processing module and power module.Described camera lens is embedded in the right sidewall of described shell, Fresnel Lenses, infrared sensor, signal processing module and power module are positioned at shell, described Fresnel Lenses is fixed in the shell on the left of described camera lens, infrared light converges on infrared sensor successively after camera lens, Fresnel Lenses, described infrared sensor is connected with the signal input part of described signal processing module, and described power module provides power supply for described infrared sensor and signal processing module.Described device for detecting temperature adopts non-contacting infrared mode to gather temperature, has temperature measurement range wide, easy to use, the feature that certainty of measurement is high.
Description
Technical field
The utility model relates to temperature measuring equipment technical field, particularly relates to a kind of contactless contact net wire clamp on-line temperature monitoring device.
Background technology
To the heating of electrically connecting clamp, in power supply unit of operation generally by the method for manual patrol, judge heat generating spot by the change etc. of telescope observation thermometric sheet, heat indicating paint, but there is artificial misjudgment phenomenon in said method.In the detection of dynamic mode of contact net in addition, vehicle-mounted high speed infrared video camera can realize thermometric, but without vehicle through out-of-date can not monitor temperature situation.Therefore be badly in need of a kind of effectively reliably monitoring means and, to monitor the variations in temperature of contact net wire clamp, avoid the too high harm that contact net is brought of its temperature.
Domestic Railway Bureau part circuit adopts the WJY-II type electric connecting clamp temperature monitoring device be installed on above wire clamp, in conjunction with mobile communication technology, notebook computer is utilized to carry out Collection and analysis to the temperature data of electrically connecting clamp, Real-Time Monitoring can not be realized, because device is installed on wire clamp, there is line to connect each other, can affect to contact net, needing when breaking down has a power failure to contact net just can overhaul, and this also brings very big inconvenience.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of contactless contact net wire clamp on-line temperature monitoring device, and described device for detecting temperature adopts non-contacting infrared mode, has temperature measurement range wide, easy to use, the feature that certainty of measurement is high.
For solving the problems of the technologies described above, technical solution adopted in the utility model is: a kind of contactless contact net wire clamp on-line temperature monitoring device, it is characterized in that: described monitoring device comprises shell, camera lens, Fresnel Lenses, infrared sensor, signal processing module and power module, described camera lens is embedded in the right sidewall of described shell, Fresnel Lenses, infrared sensor, signal processing module and power module are positioned at shell, described Fresnel Lenses is fixed in the shell on the left of described camera lens, infrared light is successively through camera lens, converge in after Fresnel Lenses on infrared sensor, described infrared sensor is connected with the signal input part of described signal processing module, described power module provides power supply for described infrared sensor and signal processing module.
Further technical scheme is: described monitoring device also comprises the solar module be positioned at outside shell, and described solar module is connected by the power input of power line with described power module.
Further technical scheme is: described monitoring modular also comprises wireless transport module, and described wireless transport module is connected with the signal output part of described signal processing module.
Further technical scheme is: described monitoring device also comprises status indicator lamp, and described status indicator lamp is connected with the signal output part of described signal processing module.
Further technical scheme is: described signal processing module comprises signal amplification circuit, circuit, FPGA and microprocessor are eliminated in temperature drift, the signal output part of described infrared sensor is connected with the signal input part of described signal amplification circuit, the signal input part that circuit is eliminated in signal output part and the temperature drift of described signal amplification circuit is connected, temperature drift is eliminated the signal output part of circuit and is connected with the input of FPGA, and the output of FPGA is connected with the signal input part of microprocessor.
Further technical scheme is: described signal amplification circuit adopts three-stage amplifier.
Further technical scheme is: described Fresnel Lenses and infrared sensor are provided with two.
Further technical scheme is: described infrared sensor uses TPS334 type infrared sensor.
Further technical scheme is: described monitoring device also comprises current detector, and the signal output part of described current detector is connected with the signal input part of described signal processing module.
Further technical scheme is: described monitoring device also comprises pillar, and described shell is fixed on described pillar.
The beneficial effect adopting technique scheme to produce is: described device for detecting temperature determines its surface temperature by the infrared energy of catching the radiation of contact net lines clamp surface institute, reduce the possibility of testing staff's electric shock or personal injury, because infrared measurement of temperature carrys out measuring tempeature by heat radiation principle, measuring cell does not need to contact with measured medium, belong to non-contact temperature measuring, easy to use, again because infrared thermometry scope is wide, not by the restriction of the thermometric upper limit, infrared thermometry can not destroy the temperature field of testee, reaction speed is relatively very fast, by arranging amplifying circuit, circuit and FPGA are eliminated in temperature drift, improve thermometric accuracy.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is theory diagram of the present utility model;
Fig. 2 is installation schematic diagram of the present utility model;
Fig. 3 is sectional structure schematic diagram of the present utility model;
Fig. 4 is the theory diagram of signal processing module in the utility model;
Wherein: 1, shell 2, camera lens 3, Fresnel Lenses 4, infrared sensor 5, signal processing module 6, power module 7, solar module 8, wireless transport module 9, status indicator lamp 10, current detector 11, pillar 12, contact net wire clamp 13, contact wire 14, carrier cable 15, gate circuit.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Set forth a lot of detail in the following description so that fully understand the utility model, but the utility model can also adopt other to be different from alternate manner described here to implement, those skilled in the art can when doing similar popularization without prejudice to when the utility model intension, and therefore the utility model is by the restriction of following public specific embodiment.
As Figure 1-3, the utility model discloses a kind of contactless contact net wire clamp on-line temperature monitoring device, described monitoring device comprises shell 1, camera lens 2, Fresnel Lenses 3, infrared sensor 4, signal processing module 5 and power module 6, solar module 7, wireless transport module 8, status indicator lamp 9, current detector 10 and pillar 11.Described camera lens 2 and status indicator lamp 9 are embedded on described shell 1, Fresnel Lenses 3, infrared sensor 4, signal processing module 5, wireless transport module 8 and power module 6 are positioned at shell 1, and described solar module 7 and current detector 10 are positioned at outside shell.Described infrared sensor 4 can use TPS334 type infrared sensor, but the infrared sensor of the application is not limited to above-mentioned model.
Described Fresnel Lenses 3 is fixed in the shell 1 on the left of described camera lens 2, infrared light converges on infrared sensor 4 successively after camera lens 2, Fresnel Lenses 3, in order to improve the precision of measurement, described Fresnel Lenses 3 and infrared sensor 4 all use two, form two data acquisition channels.Described infrared sensor 4 is connected with the signal input part of described signal processing module 5, described solar module 7 is connected by the power input of power line with described power module 6, described power module 6 provides power supply for described infrared sensor 4 and signal processing module 5, and described solar module comprises solar panel and battery.Described wireless transport module 8 is connected with the signal output part of described signal processing module 5, for transmitting wirelessly the data of collection.Described status indicator lamp 9 is connected with the signal output part of described signal processing module 5, is used to indicate the duty of monitoring device.The signal output part of described current detector 10 is connected with the signal input part of described signal processing module 5.Described shell 1 is fixed on described pillar 11.
As shown in Figure 4, described signal processing module 5 comprises signal amplification circuit, circuit, FPGA and microprocessor are eliminated in temperature drift, and described signal amplification circuit adopts three-stage amplifier.The signal output part of described infrared sensor is connected with the signal input part of described signal amplification circuit, the signal input part that circuit is eliminated in signal output part and the temperature drift of described signal amplification circuit is connected, temperature drift is eliminated the signal output part of circuit and is connected with the input of FPGA, and the output of FPGA is connected with the signal input part of microprocessor.
The utility model is divided into two parts when installing, major part is that the temperature measurement fraction on the shell in Fig. 1 has temp sensing function, be arranged on the pillar at distance contact net wire clamp about 6 meters of, another part is current detector 2 in Fig. 1, is arranged on the nearer position of distance map 1 contact wire and whether Fig. 1 contact wire will has the information of electric current to device for detecting temperature.Temperature measurement fraction on shell is by support installing on pillar, and in Fig. 2, solar module is arranged on product top, and with the angle of horizontal direction probably at about 30 degree, there is power module inside with one piece of battery.Two lens of the present utility model are aimed on the circuit of Fig. 1 contact net wire clamp and distance contact net wire clamp one segment distance respectively.
The course of work of the present utility model: contact net wire clamp in Fig. 18 place and the infrared ray near it focus on by two Fresnel Lenses respectively respectively, produce faint voltage signal, amplify through amplifying circuit again, and in the end one-level amplifying circuit with the addition of temperature drift and eliminate circuit, the analog signal that amplifying circuit obtains is carried out AD conversion through FPGA again and signal is given CPU and carry out process two signals and carry out processing and the unified process of being undertaken by radio communication the data obtained transmit grid-connected complete paired data, three indicator lamps are also provided simultaneously, power status of the present utility model is shown by the flashing state of each indicator lamp, working condition, contact net temperature regime.
Contain in the components and parts that described utility model uses positive temperature coefficient electronic component and the electronic component of negative temperature coefficient, two class components and parts are contacted and carry out corresponding temperature-compensating to reduce error.Adopting two-stage to amplify in the design of weak signal amplification circuit, the first order adopts three amplifier amplifying circuits, and use high-operational amplifier amplifying circuit is amplified in the second level, is regulated return to zero to second level amplifier by the dividing potential drop of the pressure drop to triode.Use the middle problem that there is temperature drift, the temperature drift of the temperature drift and amplifier that make use of triode innovated in this patent compensates, and mode mode adopting triode and amplifier are pasted together, realizes the compensation of temperature drift.
The utility model is in the course of the work when completing contactless temperature-measuring in the time that contact wire has electric current clearance, when correcting by carrying out contrast to the signal of two infrared measurement of temperature thus reduce environmental change to the impact of thermometric in the time that contact wire no current passes through, complete self-tuning function.
Described device for detecting temperature determines its surface temperature by the infrared energy of catching the radiation of contact net lines clamp surface institute, reduce the possibility of testing staff's electric shock or personal injury, because infrared measurement of temperature carrys out measuring tempeature by heat radiation principle, measuring cell does not need to contact with measured medium, belong to non-contact temperature measuring, easy to use, again because infrared thermometry scope is wide, not by the restriction of the thermometric upper limit, infrared thermometry can not destroy the temperature field of testee, reaction speed is relatively very fast, by arranging amplifying circuit, circuit and FPGA are eliminated in temperature drift, improve thermometric accuracy.
Claims (10)
1. a contactless contact net wire clamp on-line temperature monitoring device, it is characterized in that: described monitoring device comprises shell (1), camera lens (2), Fresnel Lenses (3), infrared sensor (4), signal processing module (5) and power module (6), described camera lens (2) is embedded in the right sidewall of described shell (1), Fresnel Lenses (3), infrared sensor (4), signal processing module (5) and power module (6) are positioned at shell (1), described Fresnel Lenses (3) is fixed in the shell (1) in described camera lens (2) left side, infrared light is successively through camera lens (2), converge on infrared sensor (4) after Fresnel Lenses (3), described infrared sensor (4) is connected with the signal input part of described signal processing module (5), described power module (6) provides power supply for described infrared sensor (4) and signal processing module (5).
2. contactless contact net wire clamp on-line temperature monitoring device according to claim 1, it is characterized in that: described monitoring device also comprises and is positioned at shell (1) solar module outward (7), and described solar module (7) is connected by the power input of power line with described power module (6).
3. contactless contact net wire clamp on-line temperature monitoring device according to claim 1, it is characterized in that: described monitoring modular also comprises wireless transport module (8), described wireless transport module (8) is connected with the signal output part of described signal processing module (5).
4. contactless contact net wire clamp on-line temperature monitoring device according to claim 1, it is characterized in that: described monitoring device also comprises status indicator lamp (9), described status indicator lamp (9) is connected with the signal output part of described signal processing module (5).
5. contactless contact net wire clamp on-line temperature monitoring device according to claim 1, it is characterized in that: described signal processing module (5) comprises signal amplification circuit, circuit is eliminated in temperature drift, FPGA and microprocessor, the signal output part of described infrared sensor is connected with the signal input part of described signal amplification circuit, the signal input part that circuit is eliminated in signal output part and the temperature drift of described signal amplification circuit is connected, temperature drift is eliminated the signal output part of circuit and is connected with the input of FPGA, the output of FPGA is connected with the signal input part of microprocessor.
6. contactless contact net wire clamp on-line temperature monitoring device according to claim 5, is characterized in that: described signal amplification circuit adopts three-stage amplifier.
7. contactless contact net wire clamp on-line temperature monitoring device according to claim 1, is characterized in that: described Fresnel Lenses (3) and infrared sensor (4) are provided with two.
8. contactless contact net wire clamp on-line temperature monitoring device according to claim 1, is characterized in that: described infrared sensor (4) uses TPS334 type infrared sensor.
9. contactless contact net wire clamp on-line temperature monitoring device according to claim 1, it is characterized in that: described monitoring device also comprises current detector (10), the signal output part of described current detector (10) is connected with the signal input part of described signal processing module (5).
10. contactless contact net wire clamp on-line temperature monitoring device according to claim 1, it is characterized in that: described monitoring device also comprises pillar (11), described shell (1) is fixed on described pillar (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420862615.0U CN204301866U (en) | 2014-12-31 | 2014-12-31 | Contactless contact net wire clamp on-line temperature monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420862615.0U CN204301866U (en) | 2014-12-31 | 2014-12-31 | Contactless contact net wire clamp on-line temperature monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204301866U true CN204301866U (en) | 2015-04-29 |
Family
ID=53107399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420862615.0U Expired - Fee Related CN204301866U (en) | 2014-12-31 | 2014-12-31 | Contactless contact net wire clamp on-line temperature monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204301866U (en) |
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2014
- 2014-12-31 CN CN201420862615.0U patent/CN204301866U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150429 Termination date: 20151231 |
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| EXPY | Termination of patent right or utility model |