CN104599470A - Remote control system applied to anti-explosion variable frequency equipment - Google Patents
Remote control system applied to anti-explosion variable frequency equipment Download PDFInfo
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- CN104599470A CN104599470A CN201410844682.4A CN201410844682A CN104599470A CN 104599470 A CN104599470 A CN 104599470A CN 201410844682 A CN201410844682 A CN 201410844682A CN 104599470 A CN104599470 A CN 104599470A
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Abstract
The invention belongs to the technical field of underground coal mine anti-explosion variable frequency equipment, and in particular relates to a remote control system applied to the anti-explosion variable frequency equipment. In order to solve the problem that the anti-explosion equipment of a frequency converter configured in the underground coal mine is difficult to debug and maintain, the remote control system applied to the anti-explosion variable frequency equipment is provided. The remote control system comprises the frequency converter mounted in an anti-explosion electric control cabinet body and a remote-controlled operating disc, wherein the frequency converter is connected with the remote-controlled operating disc; one side of the anti-explosion electric control cabinet body is opened; an anti-explosion cover plate is arranged on the side of the opening; an observing window is arranged on the anti-explosion cover plate; the remote-controlled operating disc is provided with the remote controller. According to the remote control system, the problems of insecurity, inefficiency and inconvenience of underground electrified debugging of the anti-explosion variable frequency equipment are solved well; moreover, great convenience is provided for production debugging of the equipment; meanwhile, by using one remote controller, sequential adjustment on parameters of a plurality of frequency converters can be realized.
Description
Technical field
The invention belongs to the technical field of underground coal mine flame-proof converter equipment, be specifically related to a kind of telechirics be applied on flame-proof converter equipment.
Background technology
Coalcutter or other most of mine-used frequency-converters itself not explosion-proof, but be arranged in explosion-proof tank by frequency converter, meet requirement of explosion proof with this, the frequency converter operation board as Frequency Converter Control and parameter display element is also often placed in anti-explosion box body inside.
Just there is a stubborn problem in this---according to safety regulations, regulation that country is relevant: the anti-explosion box body that underground coal mine uses does not allow charged uncapping, and frequency converter is because its internal circuit has bulky capacitor to exist, require that its place anti-explosion box body power-off can be uncapped after more than ten minutes.This brings huge trouble and potential safety hazard with the maintenance of the explosion-proof electric control box of frequency conversion equipment to down-hole.
In a practical situation, after the frequency converter of underground equipment (as ABB ACS800 series) breaks down, frequency converter failure record, amendment parameter and trial run cannot be checked under cold condition, and will can start through the discharge process of more than ten minutes to dismantle cover plate after each power-off according to the rules.And the cover plate of anti-explosion box body, its material is iron and steel, and in order to ensure explosion-proof performance, also larger (easily tens), dismounting is quite inconvenient for fastening bolt quantity.The once debugging of frequency converter, often need repeatedly to revise parameter and trial run, this just needs repeated disassembled and assembled explosion-proof covering board, and in order to ensure safety, suitable discharge time is reserved again during dismounting---this makes the plant maintenance time anomaly of down-hole tediously long, for mine safety High-efficient Production is made troubles.
The operation board of frequency converter is all placed in explosion-proof tank, for convenience of on observation and explosion-proof case usually for operation board is designed with windowpane, in original system people observe the parameter of current display on frequency converter operation board or data no problem.Problem is the button that how can operate frequency converter operation board, some designs are on explosion-proof tank, design one group of explosion-proof button, button---this mode explosion-proof tank processed complex of the corresponding operation board of each button, especially be not easy when button is many to realize, and explosion-proof button very easily damages the button on operation board by pressure.
Summary of the invention
The present invention in order to solve the debugging of the antiknock device of the frequency converter of inner configuration in colliery downhole equipment, problem difficult in maintenance, and then provides a kind of telechirics be applied on flame-proof converter equipment.
The present invention adopts following technical scheme:
A kind of telechirics be applied on flame-proof converter equipment, comprise and be installed on frequency converter in explosion-proof electric control box body and remote-controlled operation board, frequency converter is connected with remote-controlled operation board, the side of described explosion-proof electric control box body is uncovered and open-position-side is provided with explosion-proof covering board, explosion-proof covering board has view window, and remote-controlled operation board is furnished with telepilot.
Be wireless connections between described remote-controlled operation board and telepilot.
Described telepilot adopts the 3V dry cell power supply meeting the technical requirement of underground coal mine essential safety.
Described telepilot adopts nRF905 wireless chip, and joins simultaneously and select low-power scm to be main control chip.
Described low-power scm works between 2.2V to 3.3V.
Described telepilot is designed with 18 buttons, wherein 16 with the button one_to_one corresponding of 16 on remote-controlled operation board, other two buttons are respectively " SCAN " and " NEXT ".
Described remote-controlled operation board adopts concealed antenna to be connected with frequency converter, the wireless telecommunications of remote-controlled operation board and the nRF905 interface of telepilot, and the output of remote-controlled operation board controls the input through keyboard interface with remote-controlled operation board.
Described remote-controlled operation board is also provided with LED light.
The present invention has following beneficial effect:
1, safe, efficient, the convenient problem of the present invention's charged debugging under well solving flame-proof converter equipment raise;
2 and also provide conveniently in the scheduling and planning of equipment---be provided with in the production of the antiknock device of frequency converter, electric cabinet is first produced and is debugged, not during this straighforward operation dish, the screw of explosion-proof tank or can not entirely twist dead, opening again once when debugging, losing time very much, after using this operation board, electric cabinet can be produced by dispatching from the factory completely, need not unpack during debugging by telepilot control frequency converter carry out the parameter setting work such as motor identification;
3, simultaneously, due to its function of search, the parameter adjustment successively of multiple stage frequency converter can be realized with a telepilot.
Accompanying drawing explanation
Fig. 1 is structure principle chart of the present invention;
In figure: the remote-controlled operation board of 1-frequency converter, 2-, 3-explosion-proof electric control box body, 4-explosion-proof covering board, 5-telepilot, 6-view window.
Embodiment
By reference to the accompanying drawings, the specific embodiment of the present invention is described further:
The telechirics be applied on flame-proof converter equipment as described in Figure 1, comprise and be installed on frequency converter 1 in explosion-proof electric control box body 3 and remote-controlled operation board 2, frequency converter 1 is connected with remote-controlled operation board 2, the side of described explosion-proof electric control box body 3 is uncovered and open-position-side is provided with explosion-proof covering board 4, explosion-proof covering board 4 has view window 6, remote-controlled operation board 2 is furnished with telepilot 5.
The hardware design realizing this telechirics mainly divides remote-controlled operation board 2 and telepilot 5 two parts, be wireless connections between remote-controlled operation board 2 and telepilot 5, wireless telecommunications in circuit are realized by technical grade radio remote control circuit nRF905, nRF905 is monolithic radio frequency transceiving chip, work in the ISM band of 433MHz, the functional modules such as built-in chip type frequency synthesizer, power amplifier, crystal oscillator and modulator, output power and communication channel are configured by program.The chip energy consumption of nRF905 is very low, and during power emission with 10dBm, working current only has 30mA, and during reception, working current only has 12.5mA; And having multiple low-power working mode, under standby mode, electric current is only 12.5 μ A, and energy-saving design is more convenient, and its ShockBurst technology can generate lead code and CRC check position automatically when communication.
Telepilot 5 adopts the 3V dry cell power supply meeting the technical requirement of underground coal mine essential safety, adopt nRF905 wireless chip, and join simultaneously and select low-power scm to be main control chip, circuit reliably can work between 2.2V to 3.3V, and the low-power consumption of integrated circuit very easily realizes the designing requirement of intrinsically safe circuit.
Telepilot 5 is designed with 18 buttons, wherein 16 with 16 button one_to_one corresponding on remote-controlled operation board 2, other two buttons are respectively " SCAN " and " NEXT ", can realize search operation dish and select operation board.
Remote-controlled operation board 2 adopts concealed antenna to be connected with frequency converter 1, thus do not affect the outward appearance of operation board, the wireless telecommunications of remote-controlled operation board 2 and the nRF905 interface of telepilot 5, the output of remote-controlled operation board 2 controls the input through keyboard interface with remote-controlled operation board 2, and remote-controlled operation board 2 communication receives the operating function that wireless remote control signals realizes all buttons on operation board.
For convenience of communication deixis, remote-controlled operation board 2 is also provided with LED light.
Concrete control procedure is:
1, when not opening explosion-proof covering board 4, to device power, selecting opertaing device, press remote keying by the button on telepilot 5, hand-held intrinsic safety telepilot sends wireless signal to the remote-controlled operation board 2 of explosion-proof electric control box body 3 inside.
2, the remote-controlled operation board 2 of explosion-proof electric control box body 3 inside receives the remote signal of the telepilot 5 outside casing, operating personnel are by the remote-controlled operation board 2 in view window 6 inspection box, and press hand-held intrinsic safety telepilot, parameter, the observation failure logging of operation board in adjusting tank, and other debug action.
3, frequency converter 1 and remote-controlled operation board 2 communication in case, and receive its parameter modification and other steering orders, complete final covered control.
Claims (8)
1. one kind is applied to the telechirics on flame-proof converter equipment, it is characterized in that: comprise and be installed on frequency converter (1) in explosion-proof electric control box body (3) and remote-controlled operation board (2), frequency converter (1) is connected with remote-controlled operation board (2), the side of described explosion-proof electric control box body (3) is uncovered and open-position-side is provided with explosion-proof covering board (4), explosion-proof covering board (4) has view window (6), remote-controlled operation board (2) is furnished with telepilot (5).
2. the telechirics be applied on flame-proof converter equipment according to claim 1, is characterized in that: be wireless connections between described remote-controlled operation board (2) and telepilot (5).
3. the telechirics be applied on flame-proof converter equipment according to claim 2, is characterized in that: described telepilot (5) adopts the 3V dry cell power supply meeting the technical requirement of underground coal mine essential safety.
4. the telechirics be applied on flame-proof converter equipment according to claim 3, is characterized in that: described telepilot (5) adopts nRF905 wireless chip, and joins simultaneously and select low-power scm to be main control chip.
5. the telechirics be applied on flame-proof converter equipment according to claim 4, is characterized in that: described low-power scm works between 2.2V to 3.3V.
6. the telechirics be applied on flame-proof converter equipment according to claim 4, it is characterized in that: described telepilot (5) is designed with 18 buttons, wherein 16 with 16 button one_to_one corresponding on remote-controlled operation board (2), other two buttons are respectively " SCAN " and " NEXT ".
7. the telechirics be applied on flame-proof converter equipment according to claim 5, it is characterized in that: described remote-controlled operation board (2) adopts concealed antenna to be connected with frequency converter (1), the wireless telecommunications of remote-controlled operation board (2) and the nRF905 interface of telepilot (5), the output of remote-controlled operation board (2) controls the input through keyboard interface with remote-controlled operation board (2).
8. the telechirics be applied on flame-proof converter equipment according to claim 6, is characterized in that: described remote-controlled operation board (2) is also provided with LED light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410844682.4A CN104599470A (en) | 2014-12-31 | 2014-12-31 | Remote control system applied to anti-explosion variable frequency equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410844682.4A CN104599470A (en) | 2014-12-31 | 2014-12-31 | Remote control system applied to anti-explosion variable frequency equipment |
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| Publication Number | Publication Date |
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| CN104599470A true CN104599470A (en) | 2015-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410844682.4A Pending CN104599470A (en) | 2014-12-31 | 2014-12-31 | Remote control system applied to anti-explosion variable frequency equipment |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2736019Y (en) * | 2004-07-07 | 2005-10-26 | 赵放 | Remote controlled infrared explosion-proof controlling box |
| CN102063787A (en) * | 2010-11-24 | 2011-05-18 | 煤炭科学研究总院重庆研究院 | Method and device for setting parameters of flame-proof frequency changer |
| CN202956608U (en) * | 2012-11-09 | 2013-05-29 | 成都卓程科技有限公司 | Remote communication control panel for frequency converter |
| CN103197585A (en) * | 2013-03-28 | 2013-07-10 | 广州珠峰能源科技有限公司 | Frequency conversion device with movable control panel |
| CN203287721U (en) * | 2013-05-07 | 2013-11-13 | 天地上海采掘装备科技有限公司 | Coal cutter frequency converter and parameter wireless monitoring emitter thereof |
| CN203376599U (en) * | 2013-08-02 | 2014-01-01 | 天地上海采掘装备科技有限公司 | Intrinsically safe wireless monitoring and receiving device for coal mining machine frequency converter parameters |
| CN204496678U (en) * | 2014-12-31 | 2015-07-22 | 太重煤机有限公司 | A kind of telechirics be applied on flame-proof converter equipment |
-
2014
- 2014-12-31 CN CN201410844682.4A patent/CN104599470A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2736019Y (en) * | 2004-07-07 | 2005-10-26 | 赵放 | Remote controlled infrared explosion-proof controlling box |
| CN102063787A (en) * | 2010-11-24 | 2011-05-18 | 煤炭科学研究总院重庆研究院 | Method and device for setting parameters of flame-proof frequency changer |
| CN102063787B (en) * | 2010-11-24 | 2014-01-15 | 中煤科工集团重庆研究院 | Method and device for setting parameters of flame-proof frequency changer |
| CN202956608U (en) * | 2012-11-09 | 2013-05-29 | 成都卓程科技有限公司 | Remote communication control panel for frequency converter |
| CN103197585A (en) * | 2013-03-28 | 2013-07-10 | 广州珠峰能源科技有限公司 | Frequency conversion device with movable control panel |
| CN203287721U (en) * | 2013-05-07 | 2013-11-13 | 天地上海采掘装备科技有限公司 | Coal cutter frequency converter and parameter wireless monitoring emitter thereof |
| CN203376599U (en) * | 2013-08-02 | 2014-01-01 | 天地上海采掘装备科技有限公司 | Intrinsically safe wireless monitoring and receiving device for coal mining machine frequency converter parameters |
| CN204496678U (en) * | 2014-12-31 | 2015-07-22 | 太重煤机有限公司 | A kind of telechirics be applied on flame-proof converter equipment |
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Application publication date: 20150506 |