CN101442219B - Remote control earth wire automatic disconnection apparatus - Google Patents
Remote control earth wire automatic disconnection apparatus Download PDFInfo
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- CN101442219B CN101442219B CN2008102413126A CN200810241312A CN101442219B CN 101442219 B CN101442219 B CN 101442219B CN 2008102413126 A CN2008102413126 A CN 2008102413126A CN 200810241312 A CN200810241312 A CN 200810241312A CN 101442219 B CN101442219 B CN 101442219B
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Abstract
The invention relates to a remote control device for automatically connecting/disconnecting a ground wire, which comprises a microcomputer and a control circuit part electrically connected with the microcomputer, an electric motor controlled by the control circuit part and making an output shaft thereof linearly move to and fro, a knife switch and a ground wire tool post. An insulated connecting column is arranged between the output shaft of the electric motor and the knife switch. The control circuit part comprises a lightning-proof circuit, a power supply circuit, an electric motor control circuit, a knife switch control circuit, a state signal circuit, a position sensor circuit and an alarm circuit. The electric motor is selected from one of a linear motor or a gear speed reducer. The remote control device is also provided with an insulated substrate and a box body, wherein the control circuit part, the electric motor, the knife switch and the ground wire tool post are arranged on the insulated substrate; and the insulated substrate is arranged in the box body. The box body is also provided with a power indicating lamp, a self-checking switch, an alarm silencing switch, an alarm indicating lamp, a computer switch-off port, a microcomputer switch-in port and a power interface. The remote control device solves the problems of inconvenient manual operation and unreliable ground wire contact, is reliable lightning-proof grounding connecting/disconnecting remote control device provided for a signal tower, a cabinet and the like, and achieves fully-automatic insulating property test.
Description
Technical field
The present invention relates to a kind of circuit jockey, relate in particular to a kind of lightning protection earth wire automatic disconnection apparatus, realize that microcomputer is to the long-range disconnecting control of lightning protection ground wire and the automatic test of apparatus insulated performance with microcomputer Long-distance Control and monitoring function, alarm function, self-checking function.Be applicable to the automatic disconnecting control and the alarm of signal machine room lightning protection lines such as railway.
Background technology
As everyone knows, when carrying out apparatus insulated performance test, the lightning protection ground wire of equipment must be disconnected.At present, the disconnecting of lightning protection line all is to adopt manual operation breaking of contact or hilted broadsword plug-in strip to carry out.And the insulation property test has realized automation.Therefore, carry out insulation property tests at every turn before, must the special messenger lightning protection line be disconnected to on-the-spot, carry out automatic insulation property test by the monitoring microcomputer then, after test is finished, must the special messenger lightning protection line be reconnected to the scene.As seen, this mode efficient is extremely low, and is particularly more inconvenient to unattended equipment room far away.And unavoidable the appearance forgotten the situation that reconnects the lightning protection line after test is finished, and large quantities of lightning protection devices do not have ground connection, make equipment be in unshielded precarious position.
For breaking of contact, when disconnection and making operation, all be to unclamp to take off the ground wire connecting plate the time-consuming like this manpower that takes again with sleeve or spanner twist screws, moreover grown service time, screw is turned round to such an extent that time also stripped thread can occur too much, does not press tightly the phenomenon of connecting plate, causes the loose contact of lightning protection ground wire;
For the hilted broadsword plug-in strip, operate a switch, plug-in strip can make the plug-in strip behind the combined floodgate produce some displacements because of the elasticity of judder or plug-in strip reed when closing a floodgate, and links to each other with ground wire by rotating shaft because of plug-in strip simultaneously, has influenced the contact area and the ground connection effect of lightning protection ground wire.
Summary of the invention
The objective of the invention is to the deficiency that exists in the existing ground wire make and break device, a kind of earth wire automatic disconnection apparatus of Long-distance Control is provided.Solution manual operation inconvenience, ground wire contact insecure technical problem.For signal box, signal lighting protection junction box, integrated lightning protection cabinet etc. provide a kind of with the lightning protection make and break device microcomputer Long-distance Control, reliable, realize full automatic insulation property test.
The technical solution adopted for the present invention to solve the technical problems is: a kind of earth wire automatic disconnection apparatus of Long-distance Control, comprise that microcomputer reaches and the micro electronmechanical control circuit part that is connected, controlled circuit part motor control and that make the motor output shaft straight reciprocating motion, plug-in strip and ground wire tool rest; It is characterized in that: the insulation joint pin is set between described motor output shaft and plug-in strip; Described control circuit partly comprises lightning protection circuit, power circuit, plug-in strip control circuit, status signal circuit, position sensor circuit and warning circuit.
Described motor is selected from linear electric motors or the gear reduction unit a kind of.
Described lightning protection circuit has thunder and lightning and surge protection function, the full module protection circuit of being made up of pressure-sensitive string discharge tube of vertical, horizontal.
Described circuit for controlling motor is made up of command detection circuit, relay control Driver Circuit and relay.
Described status signal circuit is made up of status signal control circuit and relay.
Described position sensor circuit is made up of photoelectric sensor and Acquisition Circuit.
Described warning circuit is made up of alarm control circuit, alarm signal generation circuit, alarm signal output circuit.
Described plug-in strip control circuit is to be combined by logical circuit and switching circuit, and control is operated a switch, closed a floodgate.
Further, insulated substrate and casing are set also, installation and control circuit part, motor, plug-in strip and ground wire tool rest on the described insulated substrate; Described ground wire make and break device is set in the casing; Power supply indicator, self-test switch, silence switch, alarm indicator, microcomputer exit, microcomputer access port, power interface also are set on the described casing.
Good effect of the present invention: owing to adopt Long-distance Control motor-driven plug-in strip to realize the automatic disconnecting scheme of ground wire, solution manual operation inconvenience, ground wire contact insecure technical problem.For signal box, signal lighting protection junction box, integrated lightning protection cabinet etc. provide a kind of with the lightning protection make and break device microcomputer Long-distance Control, reliable, realize full automatic insulation property test.
Below with reference to drawings and Examples, the present invention is carried out comparatively detailed explanation.
Description of drawings
Fig. 1 is an embodiment of the invention organigram.The structure of signal earth wire automatic disconnection apparatus.
Fig. 2 is an embodiment of the invention control circuit part theory diagram.
Fig. 3 is an embodiment of the invention workflow diagram.
Among the figure: 1. control circuit part, 2. motor, 3. plug-in strip, 4. ground wire tool rest, 5. outlet junction block, 6. insulated substrate, 7. inlet wire junction block, 8. clamping plate, 9. insulation joint pin, 10. power supply indicator, 11. self-test switch, 12. silence switchs, 13. alarm indicators, 14. casings, 15. microcomputer exits, 16. microcomputer access ports, 17. power interfaces.
Embodiment
Embodiment, as shown in Figure 1, 2, a kind of earth wire automatic disconnection apparatus of Long-distance Control comprises that microcomputer reaches and the micro electronmechanical control circuit part 1 that is connected, controlled circuit part 1 motor 2, plug-in strip 3 and ground wire tool rest 4 control and that make the motor output shaft straight reciprocating motion.Insulation joint pin 9 is set between described motor output shaft and plug-in strip 3.Described control circuit part 1 comprises lightning protection circuit, power circuit, plug-in strip control circuit, status signal circuit, position sensor circuit and warning circuit.
Earth wire automatic disconnection apparatus of the present invention is made of mechanical structure and control circuit two parts, the ground wire tool rest 4 that described mechanical structure comprises casing 14, insulated substrate 6, motor 2, insulation joint pin 9, plug-in strip 3, is made up of reed and spacing clamping plate 8; Described control circuit part is made up of lightning protection circuit, power circuit, plug-in strip control circuit, status circuit, sensor circuit and warning circuit.Casing 14 panels are provided with power supply indicator 10, alarm indicator 13, silence switch 12, self-test switch 11.Also be provided with plug-in strip state observation window, allow the people covers all at one glance, open-and-shut sensation.4 fens outlet junction blocks 5 of described ground wire tool rest and inlet wire junction block 7, all wiring are all finished in the casing outside, need not uncap handled easily.Automatically the disconnecting part all is installed on the epoxy insulation substrate, has formed the datum level between parts, the convenient cooperation.
Described casing 14 is containers that automatic disconnection apparatus is installed, and the bottom is provided with installing hole, can be directly hung on the wall, also can stamp, the convenient installation with screw, about be provided with the turnover line terminals, panel is provided with various functional indicator lights, noise reduction, from slowdown monitoring switch and plug-in strip state observation window.
Described motor 2 is power resources of the automatic disconnection apparatus of operating a switch, closing a floodgate.The 220V alternating current machine that adopts directly uses the 220V AC driving to need not the special driving source.Be characterized in keeping straight on,, directly plug-in strip pushed or pulls out the reed-type tool rest so plug-in strip can install on the craspedodrome output shaft.Described motor is selected from linear electric motors or the gear reduction unit a kind of.
Described plug-in strip 3 is to make with high conductive copper material, and the surface is to be used for the device of disconnecting lightning protection ground wire through wear-resisting and anti-oxidation processing, its main feature be height lead, wear-resisting and convenient and strength-saving.Described plug-in strip is a wedge shape angle plug-in strip, is a contact when making plug-in strip turnover reed-type ground wire tool rest, therefore, becomes very easy.Described reed-type ground wire tool rest 4 is that the good phosphor-copper of elasticity is made, and elasticity is lasting, contacts, cooperates with the perfect large tracts of land of plug-in strip in addition, guarantees that the long-term contact of ground wire is good.On the reed of described ground wire tool rest 4, also be provided with spacing clamping plate 8.Spacing clamping plate 8 are made by high-intensity metal material, are the protective devices of reed, are used to prevent that reed from producing excessive distortion.
Described lightning protection circuit, the full mould protective circuit of forming by pressure-sensitive string discharge tube of vertical, horizontal.For make and break device provides thunder and lightning and surge protection.According to Ministry of Railways's " TB/T2311-2002 railway electronic equipment lightning protector " standard design.
Described power circuit is by capacity voltage dropping circuit, and current rectifying and wave filtering circuit and indicating circuit are formed, and its function is that the 220V AC power converts stable low-voltage dc power supply to, for circuit such as control circuit, warning circuit provide working power.One of power circuit characteristics are to adopt the capacitance decompression technology, and circuit is simple and reliable, does not generate heat, and has saved the bigger transformer of volume, has not only reduced cost, and reliability and all significantly raisings in useful life; Two of characteristics are the voltage stabilizing techniques that adopted voltage-stabiliser tube and LED to be combined into, and save the power device of heating, have further improved reliability and useful life.
Described circuit for controlling motor is made up of command detection circuit, relay control Driver Circuit and relay.Its function is: the command detection circuit is responsible for detecting at any time and is come from the microcomputer remote control commands and the control command of testing oneself, identify classes of instructions and give control circuit, start relevant relay by control relay circuit, drive motors is done relevant running, for example just change counter-rotating, reaching the purpose of operating a switch, closing a floodgate.This control circuit is combined by logical circuit and switching circuit.
Described plug-in strip control circuit is to be combined by logicality circuit and switching circuit.
Described signal condition circuit is made up of status signal control circuit and relay.Be responsible for to allow test signal and close a floodgate put in place signal generation and send control.The control circuit of this status signal is combined by logical circuit.
Described position sensor circuit is made up of photoelectric sensor and Acquisition Circuit, when detecting plug-in strip and all pull out or all advance, for warning circuit and circuit for controlling motor provide the information of putting in place.Described Acquisition Circuit is combined by logical circuit.
Described is warning circuit, is made up of alarm control circuit, alarm signal generation circuit, alarm signal output circuit.Described alarm control circuit is made up of logical circuit.By alarm control circuit monitoring alarm request signal, whether these signals derive from plug-in strip and are drawn out, or in the making process, or closing a floodgate not put in place all can start warning circuit, send audible and visual alarm, because warning circuit all is to be in sleep state at ordinary times, just is waken up when having only the work of needs, power consumption is extremely low.
As shown in Figure 3, the course of work of the present invention is as follows:
In the time will carrying out the insulation against ground test, microcomputer is sent the instruction of operating a switch, the circuit for controlling motor of automatic disconnection apparatus starts, drive motors just changes, motor output shaft is kept straight on and is moved, plug-in strip is slowly pulled out from the tool rest reed, when plug-in strip pulled into from reed 8 millimeter, to operate a switch and put in place, position transducer sends the signal that puts in place, motor stops operating, send to microcomputer simultaneously and allow test signal and warning circuit to start to send audible and visual alarm, Microcomputer Detecting promptly enters test program to test signal, and test finishes, microcomputer is sent reclosing command, the starter motor counter-rotating, plug-in strip slowly enters the tool rest reed under the driving of motor, and sensor circuit was sent the signal that puts in place to microcomputer after combined floodgate put in place, motor stall simultaneously, warning circuit quits work.In regular job, also not serious as unexpected power failure, no matter be to do what operation, the microcomputer behind the telegram in reply is online still to be undertaken by the microcomputer instruction, if microcomputer is not online, make and break device is handled by closing a floodgate, and makes lightning protection ground wire reliable ground safety.
Check automatic disconnection apparatus when needs and whether just often, press the self-test switch on the cabinet panel, can be observed plug-in strip from the casing observation window and from tool rest, slowly pull out, unclamp self-test switch after, plug-in strip slowly enters tool rest under motor-driven.
Claims (10)
1. the earth wire automatic disconnection apparatus of a Long-distance Control comprises that microcomputer reaches and the micro electronmechanical control circuit part that is connected, controlled circuit part motor control and that make the motor output shaft straight reciprocating motion, plug-in strip and ground wire tool rest; It is characterized in that: the insulation joint pin is set between described motor output shaft and plug-in strip; Described control circuit partly comprises lightning protection circuit, power circuit, circuit for controlling motor, plug-in strip control circuit, status signal circuit, position sensor circuit and warning circuit; Described plug-in strip control circuit is sent out control signal according to the instruction of microcomputer and the plug-in strip position of position sensor circuit to circuit for controlling motor, thereby circuit for controlling motor drives the folding of plug-in strip according to this control signal control motor rotation; Described position sensor circuit also is transferred to warning circuit and status signal circuit with the position signalling of plug-in strip; When plug-in strip was in out state, warning circuit sent alarm; Described status signal circuit is issued microcomputer with the location status of plug-in strip.
2. earth wire automatic disconnection apparatus according to claim 1 is characterized in that: described motor is selected from linear electric motors or the gear reduction unit a kind of.
3. earth wire automatic disconnection apparatus according to claim 1 and 2 is characterized in that: described lightning protection circuit has thunder and lightning and surge protection function, the vertical, horizontal syntype protective circuit of being made up of pressure-sensitive string discharge tube.
4. earth wire automatic disconnection apparatus according to claim 1 and 2 is characterized in that: described circuit for controlling motor is made up of the relay of the command detection circuit that detects plug-in strip control circuit control signal, relay control Driver Circuit and connection motor power.
5. earth wire automatic disconnection apparatus according to claim 1 and 2 is characterized in that: described status signal circuit is by the status signal control circuit that produces the Insulation test signal and be connected microcomputer and form to the relay that microcomputer is exported test signal condition.
6. earth wire automatic disconnection apparatus according to claim 1 and 2 is characterized in that: described position sensor circuit is made up of photoelectric sensor and Acquisition Circuit.
7. earth wire automatic disconnection apparatus according to claim 1 and 2 is characterized in that: described warning circuit is made up of alarm control circuit, alarm signal generation circuit, alarm signal output circuit.
8. earth wire automatic disconnection apparatus according to claim 1 and 2 is characterized in that: described plug-in strip control circuit is combined by logical circuit and switching circuit.
9. earth wire automatic disconnection apparatus according to claim 1 and 2 is characterized in that: insulated substrate and casing also are set, installation and control circuit part, motor, plug-in strip and ground wire tool rest on the described insulated substrate; Described ground wire make and break device is set in the casing; Power supply indicator, self-test switch, alarm silence switch, alarm indicator, microcomputer exit, microcomputer access port, power interface also are set on the described casing.
10. earth wire automatic disconnection apparatus according to claim 9 is characterized in that: described plug-in strip is a wedge shape angle plug-in strip; Described ground wire tool rest is a reed-type, is provided with spacing clamping plate on the reed of described ground wire tool rest.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102413126A CN101442219B (en) | 2008-12-16 | 2008-12-16 | Remote control earth wire automatic disconnection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102413126A CN101442219B (en) | 2008-12-16 | 2008-12-16 | Remote control earth wire automatic disconnection apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101442219A CN101442219A (en) | 2009-05-27 |
| CN101442219B true CN101442219B (en) | 2011-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008102413126A Active CN101442219B (en) | 2008-12-16 | 2008-12-16 | Remote control earth wire automatic disconnection apparatus |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107546057A (en) * | 2016-10-19 | 2018-01-05 | 河南众联云科工程技术有限公司 | Open disconnecting switch |
| CN107808796A (en) * | 2017-12-05 | 2018-03-16 | 新能量科技股份有限公司 | A kind of remote control disconnecting switch |
| CN108711528A (en) * | 2018-04-10 | 2018-10-26 | 长园共创电力安全技术股份有限公司 | A kind of earthing mechanism |
| CN110739192A (en) * | 2019-11-05 | 2020-01-31 | 江苏中实电气科技有限公司 | Emergency power-off device suitable for electrical equipment |
| JP7051927B2 (en) * | 2020-03-31 | 2022-04-11 | 矢崎総業株式会社 | Inspection device for terminal processing unit of shielded wire and functional diagnosis method for the inspection device |
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2008
- 2008-12-16 CN CN2008102413126A patent/CN101442219B/en active Active
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| CN101442219A (en) | 2009-05-27 |
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