CN202649338U - Portable remote control simulation leakage test device for underground coal mine - Google Patents
Portable remote control simulation leakage test device for underground coal mine Download PDFInfo
- Publication number
- CN202649338U CN202649338U CN 201220224870 CN201220224870U CN202649338U CN 202649338 U CN202649338 U CN 202649338U CN 201220224870 CN201220224870 CN 201220224870 CN 201220224870 U CN201220224870 U CN 201220224870U CN 202649338 U CN202649338 U CN 202649338U
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- controller
- test device
- portable remote
- converter
- remote control
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Abstract
The utility model relates to a portable remote control simulation leakage test device for an underground coal mine. The portable remote control simulation leakage test device can effectively solve the problems of inconvenience in operation, unsafe use, narrow application range and incapability of testing leakage of all power supply circuit terminals. The portable remote control simulation leakage test device is structurally characterized in that an external power socket and a circuit interface to be tested are arranged on two sides of a shell respectively, a power switch and a control panel are arranged in the front of the shell, a controller is respectively connected with emitting electrodes of triodes, is connected with the circuit interface to be tested on the shell through a lead and is grounded through a ground wire, a power end of the controller is connected with an AC/DC converter and a positive electrode of a power supply through a power controller, base electrodes of the triodes are respectively connected with a processor, the processor is connected with a receiver, collecting electrodes of the triodes are parallelly connected with the AC/DC converter and a negative electrode of a battery, and the AC/DC converter is connected with the external power socket through the power switch. The portable remote control simulation leakage test device is simple in structure and wide in application range, and action reliability of a leakage protection device of a power supply electrical device can be tested.
Description
Technical field
The utility model relates to mine electrical appliance, particularly portable remote analog leakance test device under a kind of coal mine.
Background technology
What the electric leakage experiment of a underground power supply system distant place, colliery was adopted for these years always is to open switch; be connected across between arbitrary live wire and the earth with a 25W20K resistance; then whether earth leakage protection trips to send electricity to observe the upper level switch, and such electric leakage experiment exists significant limitation:
(1) inconvenient operation is opened switch access respective media inconvenience and is easy to cause that other faults and short circuit cause unnecessary loss.
(2) personal safety is not had obvious isolating points, the necessary direct control contact-making switch shell of personnel exists unsafe factor to the person.
(3) there is self limitation, can only tests mutually one such as the generality test, can not test three-phase.
(4) can't do leak(age) test to all supply line's terminals, particularly the end of load also can't be tested.
Therefore, the improvement and bring new ideas on the leak(age) test device is imperative.
Summary of the invention
For above-mentioned situation, for overcoming the defective of prior art, the purpose of the utility model just provides portable remote analog leakance test device under a kind of coal mine, can effectively solve operation inconvenience, use dangerously, applicable surface is narrow and can't do to all supply line's terminals the problem of leak(age) test.
The technical scheme that the utility model solves is, comprises housing and interior circuit thereof, and there are respectively external power supply socket and tested line interface in the left and right sides of housing, and power switch, control panel are arranged on the front face of housing; Described circuit comprises processor, receiver, controller and AC/DC converter, and controller meets respectively triode BG
1, BG
2, BG
3, BG
4Emitter, the tested line interface of controller on wire body contact body, controller ground wire ground connection, the power end of controller connects AC/DC converter and positive source through power-supply controller of electric, triode BG
1, BG
2, BG
3, BG
4Base stage connect respectively processor, processor links to each other with receiver, triode BG
1, BG
2, BG
3Collector and connect the negative pole of AC/DC converter and battery, the AC/DC converter connects external power supply socket through power switch.
The utility model is simple in structure; novel unique; effectively overcome the limitation of original test; can can do analog leakance test to the middle terminal box of leading-out terminal, the end of incoming cables of activator switch, the leading-out terminal of activator switch, the cable of feeding switch, cable termination load side (such as interstar connection room, the stage casing of lighting circuit, terminal connection chamber, the ground household electricity 220V/380V of motor) etc., and can test to power supply electrical equipment earth leakage protective device Reliability of Microprocessor.
Description of drawings
Fig. 1 is external structure stereographic map of the present utility model.
Fig. 2 is internal circuit frame diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated.
Shown in Fig. 1,2, the utility model comprises housing and interior circuit thereof, and there are respectively external power supply socket 6 and tested line interface 2 in the left and right sides of housing 1, and power switch 5, control panel 4 are arranged on the front face of housing; Described circuit comprises processor, receiver, controller and AC/DC converter, and controller meets respectively triode BG
1, BG
2, BG
3, BG
4Emitter, the tested line interface 2 of controller on wire body contact body, controller ground wire ground connection, the power end of controller connects AC/DC converter and positive source through power-supply controller of electric, triode BG
1, BG
2, BG
3, BG
4Base stage connect respectively processor, processor links to each other with receiver, triode BG
1, BG
2, BG
3Collector and connect the negative pole of AC/DC converter and battery, the AC/DC converter connects external power supply socket 6 through power switch 5.
Described housing is circular or square; The antenna 3 that links to each other with the enclosure interior receiver is equipped with on described housing top; On the described control panel 4 operating key is arranged.
Working condition of the present utility model is, be installed in during use in the aluminum explosion-proof chamber, be isolated from the outside, cause the danger of gas explosion with electric spark and the contacting of outside air of avoiding to produce because of the internal relay action, strengthened safety and reliability;
Power supply can adopt 12V direct current supply; before experiment, utilize ad hoc row to insert civil power and introduce explosion-protection equipment; after the conversion of AC/DC converter; by being provided with the charge circuit of protection IC; also can directly adopt the supporting charger of the lithium ion battery of selling on the market, use when preparing against experiment to the 12.5V3000mAh lithium ion battery is in advance charged, need not connect again external power source at the experiment scene; solve down-hole power and gathered hard problem, no longer be subjected to the restriction of the on-the-spot explosion-proof condition in down-hole simultaneously.
This device governor circuit adopts telepilot (telepilot as shown in Figure 2) wireless remote control mode, need not this device of the person contact during manually-operated, only need that the detection line is introduced wire connection cavity by termination and be stuck on underproof power lead, just can test.
In order to make telecontrol analog leak(age) test device when not doing experiment, not consume electric energy, in case of necessity, also can increase magnetic control lock in this installation's power source porch, special-purpose magnetic control key is arranged, only have special-purpose magnetic control key to be placed in the specific region, this device just has working power, can guarantee that so whole circuit is not charged when not testing, and has guaranteed the security of carrying in the down-hole.
In a word; the utility model has effectively overcome the limitation of original test; can can do analog leakance test to the middle terminal box of leading-out terminal, the end of incoming cables of activator switch, the leading-out terminal of activator switch, the cable of feeding switch, cable termination load side (such as interstar connection room, the stage casing of lighting circuit, terminal connection chamber, the ground household electricity 220V/380V of motor) etc.; and can test to power supply electrical equipment earth leakage protective device Reliability of Microprocessor; be the innovation in the leak(age) test, good economic and social benefit is arranged.
Claims (3)
1. portable remote analog leakance test device under the coal mine, comprise housing and interior circuit thereof, it is characterized in that, there are respectively external power supply socket (6) and tested line interface (2) in the left and right sides of housing (1), and power switch (5), control panel (4) are arranged on the front face of housing; Described circuit comprises processor, receiver, controller and AC/DC converter, and controller meets respectively triode BG
1, BG
2, BG
3, BG
4Emitter, the controller tested line interface (2) on wire body contact body, controller ground wire ground connection, the power end of controller connects AC/DC converter and positive source through power-supply controller of electric, triode BG
1, BG
2, BG
3, BG
4Base stage connect respectively processor, processor links to each other with receiver, triode BG
1, BG
2, BG
3Collector and connect the negative pole of AC/DC converter and battery, the AC/DC converter connects external power supply socket (6) through power switch (5).
2. portable remote analog leakance test device under the coal mine according to claim 1 is characterized in that, described housing is circular or square.
3. portable remote analog leakance test device under the coal mine according to claim 1 is characterized in that, the antenna (3) that links to each other with the enclosure interior receiver is equipped with on described housing top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220224870 CN202649338U (en) | 2012-05-18 | 2012-05-18 | Portable remote control simulation leakage test device for underground coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220224870 CN202649338U (en) | 2012-05-18 | 2012-05-18 | Portable remote control simulation leakage test device for underground coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202649338U true CN202649338U (en) | 2013-01-02 |
Family
ID=47418429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220224870 Expired - Fee Related CN202649338U (en) | 2012-05-18 | 2012-05-18 | Portable remote control simulation leakage test device for underground coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202649338U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104931909A (en) * | 2015-05-19 | 2015-09-23 | 国家电网公司 | Lightning arrester counter live-line test tool, system and method |
| CN108983024A (en) * | 2018-07-14 | 2018-12-11 | 山东工商学院 | Mining earth leakage protective test and distant place closing device |
-
2012
- 2012-05-18 CN CN 201220224870 patent/CN202649338U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104931909A (en) * | 2015-05-19 | 2015-09-23 | 国家电网公司 | Lightning arrester counter live-line test tool, system and method |
| CN108983024A (en) * | 2018-07-14 | 2018-12-11 | 山东工商学院 | Mining earth leakage protective test and distant place closing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20130518 |