CN101231511A - Circuit and method for distant controlling a plurality of electrical equipments by a pair of push-buttons - Google Patents
Circuit and method for distant controlling a plurality of electrical equipments by a pair of push-buttons Download PDFInfo
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- CN101231511A CN101231511A CNA2008100490467A CN200810049046A CN101231511A CN 101231511 A CN101231511 A CN 101231511A CN A2008100490467 A CNA2008100490467 A CN A2008100490467A CN 200810049046 A CN200810049046 A CN 200810049046A CN 101231511 A CN101231511 A CN 101231511A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The invention provides a circuit and a control method for the remote control of a plurality of electrical devices by using a pair of buttons. A power source L1 is connected in series with a circuit terminal 2-4 via an on-site master stop button SB10 and a monitoring room master stop button SB30. The circuit terminal 2-4 is connected in series with a power source N via a monitoring room start button SB20 and the paralleled coil groups of a on-site electric relay KR1-KRn. The circuits of a plurality of paralleled control motor contactors are arranged between the circuit terminal 2-4 and a power supply neutral line NN. The circuit of each control motor contactor is implemented by connecting an on-site start button SB11 in parallel with a pair of movably-engaged self-protection auxiliary contacts KM1-1 of a contactor KM1 and a pair of movably-engaged contacts KR1-1 of the on-site electric relay and connecting in series with a stop button SB21 and the coil of a contactor KM1. The main contactor KM1-2 and the moving contact of each motor contactor are connected with the motor, and the static contact thereof is connected with the power source. The invention can control the plurality of electrical devices in the working place with high safety and reliability and facilitates the installation and maintenance.
Description
Technical field
The invention belongs to Electric Traction automatic control technology field, specially refer to a kind of circuit and control method with a pair of buttons far distance controlled number electrical equipment.
Background technology
At present, at the equipment work scene, the basic circuit of every motor starting is: push a start button, make the contactor coil of its corresponding control charged, the contactor adhesive, three pairs of main contacts of contactor are connected three-phase supply, motor rotation, a pair of auxiliary contact adhesive self-insurance of contactor makes when start button disconnects simultaneously, contactor coil can turn round motor by self-keeping contact's retainer belt electricity condition of self adhesive continuously.When pressing stop button or grid power blackout, the contactor coil dead electricity, contactor discharges, and motor shuts down.Can play/stop control, debugging to the N platform drive motor on the equipment separately with N group sort circuit at the scene.
But be used for the fatigue lifetime of test machines class new product or the testing equipment scene of mechanical property at some, environment is special, and noise is big, temperature is high, air pollution is serious and certain danger is arranged.Can accomplish that operating personnel needn't arrive under the situation at scene when equipment is in the normal operating conditions of debugging after good, can control also that N platform machine operation becomes a new problem on the testing equipment.
Existing in Control Room away from the scene, N start button is set also and a total stop button is used for control far away, and with these button lines, be connected on that above-mentioned N group control circuit of device context, so not only control knob is many, and remote backguy is many, cost height, failure rate height, installation difficulty, maintenance trouble.
Summary of the invention
For addressing the above problem, the invention provides a kind of circuit and control method with a pair of buttons far distance controlled number electrical equipment, can be away from the particular surroundings of device context, can just can control on-the-spot many electrical equipments safely and reliably only by the operation pair of buttons on primary circuit function basis again; Can finish in-plant on-the-spot separate unit debugging work, again can with simple and easy, control mode is finished remote team control work cleverly, is convenient to installation and maintenance, not only economy but also practicality.
In order to realize the foregoing invention purpose, the present invention has adopted following technical scheme:
The circuit of a described pair of buttons far distance controlled number electrical equipment, always stop button SB10 and Control Room by power supply L1 by the scene and always stop button SB30 and be connected to circuit 2-4 end, circuit 2-4 end is connected to power supply N by the coils from parallel connection of coils group of start button SB20 and on-the-spot relay KR 1-KRn in the Control Room; Be provided with the circuit of several control motor contactors in parallel between circuit 2-4 end and the power supply neutral line NN, the circuit of each control motor contactor, the a pair of moving a pair of moving together contact KR1-1 that closes on self-insurance auxiliary contact KM1-1 and the on-the-spot relay by on-the-spot start button SB11 and contactor KM1 is in parallel, and is composed in series with the coil of stop button SB21 and contactor KM1; The main contact KM1-2 of each motor contactor, moving contact connects motor, and stationary contact connects power supply.
The control method of a described pair of buttons far distance controlled number electrical equipment, be with the moving together contact on several pilot relays, be connected in parallel on respectively on several on-the-spot start buttons, in Control Room, push that start button SB20 once away from the scene, make once, make and be connected in parallel on each start button SB1 respectively in several pilot relay adhesives of device context
1-nOn relay moving together contact action once, played the effect once of several button press, thereby reached in Control Room, with the purpose of several the electric motor startings in a start button SB20 far distance controlled scene, its operation steps is as follows:
1), when the operation of the parts of on-site electrical equipment and driving thereof need be carried out separate unit control, debugging, can be at the testing equipment scene, push start button SB11-SB1N respectively, the coil that goes to control corresponding several contactors KM1-KMN is distinguished charged, make contactor KM1-KMN adhesive respectively, several motor M 1-MN turn round respectively in the main circuit; When pushing several stop buttons SB21-SB2N respectively, the coil of corresponding several contactors KM1-KMN is dead electricity respectively, and contactor KM1-KMN discharges respectively, and several motor M 1-MN shut down respectively in the main circuit;
Several contactors discharge simultaneously when always stopping button SB10 when pushing on-the-spot 1, make also that controlled several motor M 1-MN shut down in Fig. 1 main circuit;
When line voltage had a power failure, several contactors discharged simultaneously, after power up is normal, must press start button, and motor could turn round, and had avoided power system restoration power supply motor to start automatically;
2), parts when on-site electrical equipment and driving thereof, when being in the normal operating condition after debugging well, operating personnel promptly needn't arrive on-the-spot, and only need in the Control Room away from the scene, to push a start button SB20 once, will make once in several pilot relay adhesives of device context, the pilot relay moving together contact KR1-1 that is connected in parallel on respectively on each start button SB11-SB1N is moved once to KRn-8, played at the scene to the effect once of several button press, thereby reached in Control Room, with the purpose of on-the-spot several the electric motor startings of a start button far distance controlled.
When testing equipment need quit work, push and always stop button SB30 in the Control Room, several contactors are discharged simultaneously, thereby controlled several motor M 1-MN shut down in the main circuit.
Owing to adopted technique scheme, the present invention to have following superiority:
The circuit and the control method of this pair of buttons far distance controlled number electrical equipment can only just can be controlled on-the-spot many electrical equipments by the operation pair of buttons again safely and reliably away from the particular surroundings of device context on primary circuit function basis; Can finish in-plant on-the-spot separate unit debugging work, again can with simple and easy, control mode is finished remote team control work cleverly, is convenient to installation and maintenance, not only economy but also practicality.
1, control circuit can carry out separate unit and play/stop control the operation of the parts of a scene number electrical equipment and driving thereof, and flexible operation and directly perceived is convenient to field adjustable.
2, control circuit has the no-voltage defencive function, i.e. line voltage power failure contactor discharges, and after power up is normal, must press start button, and motor could turn round, and avoids power system restoration power supply motor to start automatically.
3, with simple and easy, ingenious method, the far distance controlled function of increase makes testing equipment when the normal operating conditions of debugging after getting well, the staff is kept to the shortest in the time of device context, staff's danger is reduced to minimum, has also improved work efficiency simultaneously, has alleviated labour intensity.
4, only by the operation pair of buttons, just can control the new-type circuit of on-the-spot many electrical equipment work safely and reliably, can select near/dual operation control mode far away according to the equipment operation situation, flexible, multiple functional.Workable, be convenient to install, economic, practical, safe and reliable.
Description of drawings
Fig. 1 is the main circuit diagram of a pair of buttons far distance controlled number electrical equipment;
Fig. 2 is the auxiliary circuit figure of a pair of buttons far distance controlled number electrical equipment.
Embodiment
The main circuit of this pair of buttons far distance controlled number electrical equipment, the pilot relay that will have 8 pairs of moving together contact, be installed in the testing equipment scene, intermediary element as the long-distance transmissions changeover control signal, what its was imported is the make-and-break signal of coil, what export is multiple-contact on-off action, be used to increase the number of field control signal, promptly only being provided with 1 pair in Control Room rise/stops button and is used for control far away, the individual pilot relay of n (n=N/8) is set simultaneously at the scene, the input of n pilot relay is from that button of Control Room make-and-break signal to its coil like this, and relay output is to substitute N on the relay of N button to the on-off action of contact.
As shown in Figure 1: be the main circuit of a pair of buttons far distance controlled number electrical equipment, by three couples of main contact KM1 on each contactor KM1-KMN
2-KMN
2Three-phase supply L1, L2, the L3 of the motor M 1-MN of difference on/off correspondence, thus the control motor rotation/stop.The main contact KM1-2 of each motor contactor, moving contact connects motor, and stationary contact connects power supply.
As shown in Figure 2: the auxiliary circuit that is a pair of buttons far distance controlled number electrical equipment, be used for the circuit structure of contactor KM1-KMN action in the control chart 1, always stop button SB10 and Control Room by power supply L1 by the scene and always stop button SB30 and be connected to circuit 2-4 end, circuit 2-4 end is connected to power supply N by the coils from parallel connection of coils group of start button SB20 and on-the-spot relay KR 1-KRn in the Control Room; Promptly have circuit 2-6 end be in the Control Room start button to control circuit as the coil of the intermediary element-relay of long-distance transmissions changeover control signal, by several relay KR 1-KRn coils from parallel connection of coils between circuit 5-6 end, again with Control Room in the circuit that is in series of start button SB20 form.Be provided with the circuit of several control motor contactors in parallel between circuit 2-4 end and the power supply neutral line NN, the circuit of each control motor contactor, the a pair of moving a pair of moving together contact KR1-1 that closes on self-insurance auxiliary contact KM1-1 and the on-the-spot relay by on-the-spot start button SB11 and contactor KM1 is in parallel, and is composed in series with the coil of stop button SB21 and contactor KM1; Be the coil control circuit of circuit 3-7 end for the contactor KM1 of control motor M 1, it is in parallel to close the self-insurance auxiliary contact by on-the-spot start button SB11 and contactor KM1 a pair of moving, with after a pair of moving together contact KR1-1 on the on-the-spot relay is in parallel, form with the coil three series circuit of stop button SB21 and contactor KM1 more again; Circuit 3-4 end always stops being connected in series on the L1 power supply of button SB30 by always stopping button SB10 and Control Room, and circuit 7-8 end is connected on the neutral line N.
The control method of this pair of buttons far distance controlled number electrical equipment, be with the moving together contact on several pilot relays, be connected in parallel on respectively on several on-the-spot start buttons, in Control Room, push that start button SB20 once away from the scene, make once, make and be connected in parallel on each start button SB1 respectively in several pilot relay adhesives of device context
1-nOn relay moving together contact action once, played the effect once of several button press, thereby reached in Control Room, purpose with on-the-spot several the electric motor startings of a start button SB20 far distance controlled, during stop button SB10 in pushing Control Room, can make on-the-spot several motor stalls.Moving together contact on several pilot relays is installed in the testing equipment scene, intermediary element as the long-distance transmissions changeover control signal, what its was imported is the make-and-break signal of coil, what export is multiple-contact on-off action, be used to increase the number of field control signal, promptly in Control Room, only be provided with a pair of/stop button and be used for control far away, several pilot relays are set simultaneously at the scene, the input of several pilot relays is from that button of Control Room make-and-break signal to its coil like this, and relay output is to substitute N on the relay of N button to the on-off action of contact.
Its operation steps is as follows:
1, when the operation of the parts of on-site electrical equipment and driving thereof, in the time of need carrying out separate unit control, debugging, can be at the testing equipment scene, push start button SB11-SB1N respectively, the coil that goes to control corresponding several contactors KM1-KMN is distinguished charged, make contactor KM1-KMN adhesive respectively, several motor M 1-MN turn round respectively in control chart 1 main circuit.When pushing several stop buttons SB21-SB2N respectively, the coil of corresponding several contactors KM1-KMN is dead electricity respectively, and contactor KM1-KMN discharges respectively, makes that several motor M 1-MN shut down respectively in Fig. 1 main circuit.
Several contactors discharge simultaneously when always stopping button SB10 when pushing on-the-spot 1, make also that controlled several motor M 1-MN shut down in Fig. 1 main circuit.
When line voltage had a power failure, several contactors discharged simultaneously, after power up is normal, must press start button, and motor could turn round, and had avoided power system restoration power supply motor to start automatically.
2, parts when on-site electrical equipment and driving thereof, when being in the normal operating condition after debugging well, operating personnel promptly needn't arrive on-the-spot, and only need in the Control Room away from the scene, to push a start button SB20 once, will make once in several pilot relay adhesives of device context, the pilot relay moving together contact KR1-1 that is connected in parallel on respectively on each start button SB11-SB1N is moved once to KRn-8, played at the scene to the effect once of several button press, thereby reached in Control Room, with the purpose of the on-the-spot N platform of start button far distance controlled electric motor starting.
When testing equipment need quit work, push and always stop button SB30 in the Control Room, several contactors are discharged simultaneously, thereby controlled several motor M 1-MN shut down in the main circuit.
In a word, only by the operation pair of buttons, just the new-type circuit of on-the-spot many electrical equipment work of far distance controlled has safely and reliably solved control problem far away with simple and easy, ingenious method in Fig. 2, many buttons problem, the remote many problems of backguy.Make testing equipment when the normal operating conditions of debugging after getting well, it is the shortest that the staff was kept in the time of device context, and it is minimum that staff's danger is reduced to, and also improved work efficiency simultaneously, alleviated labour intensity.This circuit is selected the control mode of near/dual operation far away according to the equipment operation situation, and is flexible, multiple functional.Workable, be convenient to installation, economical and practical, safe and reliable.
Claims (2)
1. the circuit of a pair of buttons far distance controlled number electrical equipment, it is characterized in that: always stop button SB10 and Control Room by power supply L1 by the scene and always stop button SB30 and be connected to circuit 2-4 end, circuit 2-4 end is connected to power supply N by the coils from parallel connection of coils group of start button SB20 and on-the-spot relay KR 1-KRn in the Control Room; Be provided with the circuit of several control motor contactors in parallel between circuit 2-4 end and the power supply neutral line NN, the circuit of each control motor contactor, the a pair of moving a pair of moving together contact KR1-1 that closes on self-insurance auxiliary contact KM1-1 and the on-the-spot relay by on-the-spot start button SB11 and contactor KM1 is in parallel, and is composed in series with the coil of stop button SB21 and contactor KM1; The main contact KM1-2 of each motor contactor, moving contact connects motor, and stationary contact connects power supply.
2. the control method of a pair of buttons far distance controlled number electrical equipment as claimed in claim 1, it is characterized in that: be the moving together contact on several pilot relays, be connected in parallel on respectively on several on-the-spot start buttons, in Control Room, push that start button SB20 once away from the scene, make once, make and be connected in parallel on each start button SB1 respectively in several pilot relay adhesives of device context
1-nOn relay moving together contact action once, played the effect once of several button press, thereby reached in Control Room, with the purpose of several the electric motor startings in a start button SB20 far distance controlled scene, its operation steps is as follows:
1), when the operation of the parts of on-site electrical equipment and driving thereof need be carried out separate unit control, debugging, can be at the testing equipment scene, push start button SB11-SB1N respectively, the coil that goes to control corresponding several contactors KM1-KMN is distinguished charged, make contactor KM1-KMN adhesive respectively, several motor M 1-MN turn round respectively in the main circuit; When pushing several stop buttons SB21-SB2N respectively, the coil of corresponding several contactors KM1-KMN is dead electricity respectively, and contactor KM1-KMN discharges respectively, and several motor M 1-MN shut down respectively in the main circuit;
Several contactors discharge simultaneously when always stopping button SB10 when pushing on-the-spot 1, make also that controlled several motor M 1-MN shut down in Fig. 1 main circuit;
When line voltage had a power failure, several contactors discharged simultaneously, after power up is normal, must press start button, and motor could turn round, and had avoided power system restoration power supply motor to start automatically;
2), parts when on-site electrical equipment and driving thereof, when being in the normal operating condition after debugging well, operating personnel promptly needn't arrive on-the-spot, and only need in the Control Room away from the scene, to push a start button SB20 once, will make once in several pilot relay adhesives of device context, the pilot relay moving together contact KR1-1 that is connected in parallel on respectively on each start button SB11-SB1N is moved once to KRn-8, played at the scene to the effect once of several button press, thereby reached in Control Room, with the purpose of on-the-spot several the electric motor startings of a start button far distance controlled;
When testing equipment need quit work, push and always stop button SB30 in the Control Room, several contactors are discharged simultaneously, thereby controlled several motor M 1-MN shut down in the main circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810049046A CN100580589C (en) | 2008-01-04 | 2008-01-04 | Circuit for distant controlling of a plurality of electrical equipments by a pair of push-buttons |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810049046A CN100580589C (en) | 2008-01-04 | 2008-01-04 | Circuit for distant controlling of a plurality of electrical equipments by a pair of push-buttons |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101231511A true CN101231511A (en) | 2008-07-30 |
| CN100580589C CN100580589C (en) | 2010-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810049046A Expired - Fee Related CN100580589C (en) | 2008-01-04 | 2008-01-04 | Circuit for distant controlling of a plurality of electrical equipments by a pair of push-buttons |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100580589C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102799170A (en) * | 2011-05-23 | 2012-11-28 | 洛克威尔自动控制技术股份有限公司 | Jog push botton |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3670923A (en) * | 1970-05-04 | 1972-06-20 | Roland J Hawes Jr | Control system for multiple ingredient dispensing apparatus |
-
2008
- 2008-01-04 CN CN200810049046A patent/CN100580589C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102799170A (en) * | 2011-05-23 | 2012-11-28 | 洛克威尔自动控制技术股份有限公司 | Jog push botton |
| CN102799170B (en) * | 2011-05-23 | 2016-07-13 | 洛克威尔自动控制技术股份有限公司 | Inching button |
| CN106094796A (en) * | 2011-05-23 | 2016-11-09 | 洛克威尔自动控制技术股份有限公司 | Inching button |
| US9939794B2 (en) | 2011-05-23 | 2018-04-10 | Rockwell Automation Technologies, Inc. | Jog push button |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100580589C (en) | 2010-01-13 |
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Granted publication date: 20100113 Termination date: 20180104 |