CN204065229U - Contact net electrification real-time detection apparatus - Google Patents
Contact net electrification real-time detection apparatus Download PDFInfo
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- CN204065229U CN204065229U CN201420532822.XU CN201420532822U CN204065229U CN 204065229 U CN204065229 U CN 204065229U CN 201420532822 U CN201420532822 U CN 201420532822U CN 204065229 U CN204065229 U CN 204065229U
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Abstract
Contact net electrification real-time detection apparatus, thinks that rail transportation operation maintainer provides a kind of online electrical verification service in real time, prevents the generation of electric fault-operation accident.It comprises: base, is fixedly installed on electrical equipment, is electrically connected with high voltage direct current positive pole, high voltage direct current negative pole; Detect main frame, comprise the electriferous state detection module, power module, device address module and the wireless communication module that are electrically connected with microprocessor, and for detecting the battery of host supplying power, electriferous state detection module and contact net high voltage direct current positive pole, high voltage direct current negative pole are electrically connected, and the data that microprocessor obtains are sent by wireless communication module.
Description
Technical field
The utility model relates to a kind of contact net electrification real-time detection apparatus, is mainly used in the charged instruction in railway traffic contact network system, to prevent the generation of electric fault-operation accident.
Background technology
At present, domestic underground railway track traffic adopts the mode of Traction networks to power to electric vehicle mostly, Traction networks is made up of two parts: positive contact net is powered, the backflow of negative pole walking rail, wherein the version of contact net is divided into again overhead contact line and conductor rail two kinds of citation forms, overhead contact line many employings DC1500V, and conductor rail many employings DC750V, also have local as Guangzhou Underground 4,5, No. 6 lines and Shenzhen Metro Line 3 employing DC1500V this year.The no matter any form of contact net, has and possesses two common features:
1) electrified body exposes in atmosphere
DC750V and DC1500V all belongs to high pressure, causes serious injury to the person if touched by mistake.Particularly conductor rail, due to installation site on ground and with driving rail parallel, although add protective cover, but or there is artificial possibility of getting an electric shock, particularly for non-operation and maintenance personnel, owing to there is no effective charged prompting, once it is hardly imaginable to touch consequence by mistake.
2) there is the problem of " electricity is invisible "
Due to the physical features of electricity, determine and visually cannot judge whether electricity, often measure by instrument, and mainly using DC electroscope directly to touch in underground railway track traffic, electrified body carries out measuring, dangerous hidden danger in operation, when not having instrument or instrument damage, operation and maintenance personnel cannot judge whether contact net has electricity in time, and traditional DC electroscope cannot coordinate with other device or system and forms complete anti-misoperation locking automated system.Also have some special circumstances, although online switch disconnects, also there are some induced electricities in contact net, some induced electricities, even up to a few hectovolt, have a strong impact on the personal safety of operation and maintenance personnel.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of contact net electrification real-time detection apparatus, thinks that rail transportation operation maintainer provides a kind of online electrical verification service in real time, prevents the generation of electric fault-operation accident.
It is as follows that the utility model solves the technical scheme that its technical matters adopts:
Contact net electrification real-time detection apparatus of the present utility model, is characterized in that it comprises: base, is fixedly installed on electrical equipment, is electrically connected with high voltage direct current positive pole, high voltage direct current negative pole; Detect main frame, comprise the electriferous state detection module, power module, device address module and the wireless communication module that are electrically connected with microprocessor, and for detecting the battery of host supplying power, electriferous state detection module and contact net high voltage direct current positive pole, high voltage direct current negative pole are electrically connected, and the data that microprocessor obtains are sent by wireless communication module.
The beneficial effects of the utility model are, the voltage sample data of detected position and device address data are sent to other error-proof device or system by the mode by wireless telecommunications, avoid Traditional DC electroscope and will directly contact the potential safety hazard of carrying out electrical verification with high-voltage charged body, ensure the safety of operation and maintenance personnel and high-tension apparatus; The device being received data by wireless telecommunications according to the clearly concrete electrical verification positional information of device address data, in conjunction with measured point voltage sample data, can build complete anti-misoperation automated system; Have employed base and combine the structural shape detecting main frame, and be provided with high-voltage and current-limitation resistance in the base, make to enter the signal detecting main frame and become low-voltage signal in safe range, again because base is fixedly installed on electrical equipment, detect main frame and base pass through syndeton can be for convenience detach, even if use specific purpose tool also the dismounting of safe ready can detect main frame under not power-off condition, make the maintenance of device, debugging, replacing safe and convenient.
Accompanying drawing explanation
This instructions comprises following two width accompanying drawings:
Fig. 1 is the general structure schematic diagram of the utility model contact net electrification real-time detection apparatus;
Fig. 2 is the structural representation detecting main frame in the utility model contact net electrification real-time detection apparatus;
Parts shown in figure claim and corresponding mark: base 10, high voltage direct current positive pole 12, high voltage direct current negative pole 13, high-voltage and current-limitation resistance 14; Detect main frame 20, microprocessor 21, electriferous state detection module 22, power module 23, device address module 24, wireless communication module 25, battery 26.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
See figures.1.and.2, contact net electrification real-time detection apparatus comprises: base 10, is fixedly installed on electrical equipment, is electrically connected with high voltage direct current positive pole 12, high voltage direct current negative pole 13; Detect main frame 20, comprise the electriferous state detection module 22, power module 23, device address module 24 and the wireless communication module 25 that are electrically connected with microprocessor 21, and for detecting the battery 26 that main frame 20 is powered, electriferous state detection module 22 and contact net high voltage direct current positive pole 12, high voltage direct current negative pole 13 are electrically connected, and the data that microprocessor 21 obtains are sent by wireless communication module 25.Described device address module 24 includes wire jumper contact pin or plucking number sign switch.
The principle of work of contact net electrification real-time detection apparatus of the present utility model is as follows: battery 26 and power module 23 provide working power for detecting main frame 20, power module 23 also comprises battery voltage detection circuit, and the sample signal of this power module 23 of microprocessor 21 can obtain the electric quantity data of battery 26; Detected high voltage direct current positive pole detection signal, negative pole detection signal are converted to low pressure by electriferous state detection module 22 can sampled signal, carries out AD sampling, can obtain the voltage sample data of measured point by microprocessor 21; Microprocessor 21 can the device address data of acquisition device self by device address module 24; Above-mentioned electric quantity data, voltage sample data, device address data can by microprocessor 21 combination in any, the receiving trap supporting with it is sent to by wireless communication module 25, the transmission of wireless messages periodically repeats, but then send immediately when electriferous state changes, thus realize real-time online electrical verification service, and can coordinate with other error-proof device, build more complete anti-misoperation system.
With reference to Fig. 1, high-voltage and current-limitation resistance 14 is provided with in described base 10, high-voltage and current-limitation resistance 14 is arranged on separately in high voltage direct current positive pole 12 or high voltage direct current negative pole 13 loop, or is arranged in high voltage direct current positive pole 12 and high voltage direct current negative pole 13 loop simultaneously.The setting of high-voltage and current-limitation resistance 14 makes to enter the signal detecting main frame 20 and becomes low-voltage signal in safe range
Removably connect with reference to base described in Fig. 1 10 and detection main frame 20, namely detecting main frame 20 can be for convenience detach by syndeton with base 10, even if use specific purpose tool also the dismounting of safe ready can detect main frame 20 under not power-off condition, make the maintenance of device, debugging, replacing safe and convenient.Base 10 and the syndeton detected between main frame 20 generally can adopt screw connection structure or clip syndeton.
Some principles of the above the utility model contact net electrification real-time detection apparatus that just explains through diagrams, be not the utility model to be confined to shown in and in described concrete structure and the scope of application, therefore every corresponding modify of being likely utilized and equivalent, all belong to the scope of the claims that the utility model is applied for.
Claims (5)
1. contact net electrification real-time detection apparatus, is characterized in that it comprises: base (10), is fixedly installed on electrical equipment, is electrically connected with high voltage direct current positive pole (12), high voltage direct current negative pole (13); Detect main frame (20), comprise the electriferous state detection module (22), power module (23), device address module (24) and the wireless communication module (25) that are electrically connected with microprocessor (21), and for detecting the battery (26) that main frame (20) is powered, electriferous state detection module (22) and contact net high voltage direct current positive pole (12), high voltage direct current negative pole (13) are electrically connected, and the data that microprocessor (21) obtains are sent by wireless communication module (25).
2. contact net electrification real-time detection apparatus as claimed in claim 1, it is characterized in that: the data that described microprocessor (21) obtains comprise at least one in following three kinds of data: detected high voltage direct current positive pole detection signal, negative pole detection signal are converted to low pressure by electriferous state detection module (22) can sampled signal, the measured point voltage sample data formed by microprocessor (21) conversion; The pick-up unit device address data obtained by device address module (24); The electric quantity data of the battery (26) obtained by power module (23).
3. contact net electrification real-time detection apparatus as claimed in claim 1, it is characterized in that: in described base (10), be provided with high-voltage and current-limitation resistance (14), high-voltage and current-limitation resistance (14) is arranged on separately in high voltage direct current positive pole (12) or high voltage direct current negative pole (13) loop, or is arranged in high voltage direct current positive pole (12) and high voltage direct current negative pole (13) loop simultaneously.
4. contact net electrification real-time detection apparatus as claimed in claim 1, is characterized in that: described device address module (24) includes wire jumper contact pin or plucking number sign switch.
5. contact net electrification real-time detection apparatus as claimed in claim 1, is characterized in that: described base (10) removably connects with detection main frame (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420532822.XU CN204065229U (en) | 2014-09-16 | 2014-09-16 | Contact net electrification real-time detection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420532822.XU CN204065229U (en) | 2014-09-16 | 2014-09-16 | Contact net electrification real-time detection apparatus |
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| Publication Number | Publication Date |
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| CN204065229U true CN204065229U (en) | 2014-12-31 |
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| CN201420532822.XU Active CN204065229U (en) | 2014-09-16 | 2014-09-16 | Contact net electrification real-time detection apparatus |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105548669A (en) * | 2016-01-21 | 2016-05-04 | 成都合众达电气技术有限公司 | Live-line detection device and method for rail transit power supply system |
| CN107658767A (en) * | 2017-09-29 | 2018-02-02 | 平高集团有限公司 | It is a kind of can hotline maintenance switchgear examination and repair system and method |
| CN107831377A (en) * | 2017-05-21 | 2018-03-23 | 漳州市锦成电力设备有限公司 | A kind of electronic equipment Benign use status analysis detection method and its device |
-
2014
- 2014-09-16 CN CN201420532822.XU patent/CN204065229U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105548669A (en) * | 2016-01-21 | 2016-05-04 | 成都合众达电气技术有限公司 | Live-line detection device and method for rail transit power supply system |
| CN105548669B (en) * | 2016-01-21 | 2019-01-29 | 成都合众达电气技术有限公司 | A kind of the urban transportation measuring device with electricity and method |
| CN107831377A (en) * | 2017-05-21 | 2018-03-23 | 漳州市锦成电力设备有限公司 | A kind of electronic equipment Benign use status analysis detection method and its device |
| CN107658767A (en) * | 2017-09-29 | 2018-02-02 | 平高集团有限公司 | It is a kind of can hotline maintenance switchgear examination and repair system and method |
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