CN104362936A - Reversible control and protection switch electric appliance and reversible control method thereof - Google Patents
Reversible control and protection switch electric appliance and reversible control method thereof Download PDFInfo
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- CN104362936A CN104362936A CN201410665243.7A CN201410665243A CN104362936A CN 104362936 A CN104362936 A CN 104362936A CN 201410665243 A CN201410665243 A CN 201410665243A CN 104362936 A CN104362936 A CN 104362936A
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- protective switching
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Abstract
The invention relates to a reversible control and protection switch electric appliance and a reversible control method thereof. The reversible control and protection switch electric appliance comprises a control and protection switch electric appliance body and a reversible module, and a reversible electromagnet is arranged in the reversible module. The reversible module can be controlled by means of a control module in the control and protection switch electric appliance body, and reversing of the reversible module is achieved. The reversible control and protection switch electric appliance is simple in circuit structure, high in control reliability and easy and convenient to operate, and solves the problems that an existing reversible control and protection switch electric appliance is high in fault rate, complicated in operation, easy to malfunction and the like.
Description
Technical field
The present invention relates to electric switch field, be specially a kind of reversible control and protective switching device and reversible control method thereof.
Background technology
Reversible control and protective switching device on control and protective switching device, is connected to reversible module to realize the rotating of motor, be illustrated in figure 1 the circuit theory diagrams of original reversible control and protective switching device, its control principle is: press K1 button, A1 is connected at the reversible coil two ends of the reversible electromagnet of reversible module, A2, coil produces magnetic field, magnetic field force is drawn onto forward iron core, the A3 of control and protective switching device body, A4 connects, body electromagnetic actuation, major loop forward is connected, simultaneously 13, 14 connect, 11, 12 disconnect, 13, 14 connections make A3, A4 is in on-state always, body electromagnet is in attracting state always, 11,12 disconnect, reversible coil losing electricity, prevent coil always electric heating.Make motor reversal, press K3, A3, A4 dead electricity, body electromagnet disconnects, 11,12 adhesives, and 13,14 disconnect.Press K2 button, reverse winding obtains electric, and iron core is drawn onto oppositely, and A3, A4 connect, body electromagnetic actuation, and major loop is oppositely connected, and 13,14 connect, 11,12 disconnect simultaneously.This control mode, when needs commutate (such as: from just changing reversion into), need first to press halt switch K3, the body electromagnet of control and protective switching device is first disconnected, and then press reverse control switch K2, the conversion of many group contacts to be had in the process, comprise Sk:Az in reversible module and turn Af; Ss:Az turns Af; Sb:Bz turns Bf, in control and protective switching device body 11 and 12,13 and 14; the conversion of totally 5 groups of contacts; in theory, the conversion of these contacts completes all instantaneously, but; because contact quantity is more; any one group of conversion is bad, and all likely make motor steering failure, this reversible control mode failure rate is high; and complex operation, therefore need to improve existing reversible control and protective switching device.
Summary of the invention
The failure rate that the object of the invention is to exist for reversible control and protective switching device pointed existing in background technology is high, and complex operation, the problem of easily makeing mistakes, provides a kind of reversible control and protective switching device that can solve foregoing problems.
The technical scheme realizing goal of the invention of the present invention is as follows:
A kind of reversible control and protective switching device, it comprises control and protective switching device body and reversible module, reversible inside modules is provided with reversible electromagnet, the forward terminals connection control of the reversible coil of reversible electromagnet and the rotating forward power output end of protection switch electrical equipment, the reverse wiring end connection control of reversible coil and the reversion power output end of protection switch electrical equipment, the common port connection control of reversible coil and the power cathode terminals of protection switch electrical equipment, and be connected with power cathode, the positive source terminals of reversible module are connected with the positive source terminals of control and protective switching device body, and be connected with positive source by master switch, the control signal end of reversible module is connected with the control signal power end of control and protective switching device, the control signal end of reversible module is connected with the rotating forward control signal input of control and protective switching device by rotating forward control switch, the control signal end of reversible module is connected with the reverse control signal input of control and protective switching device by reverse control switch, the control signal end of reversible module is connected with the shutdown control signal input of control and protective switching device by shutting down control switch, the reversible coil state feedback end of reversible module is connected with the feedback signal input terminal of control and protective switching device, the body electromagnet coil two ends of control and protective switching device are connected, the inverting module detecting the forward and reverse detection module of reversible module and control the commutation of reversible module is built-in with in the control module of control and protective switching device, detection module by detect reversible coil state feedback end and control signal power end whether conducting judge forward and reverse state of reversible coil, inverting module controls the commutation of reversible coil by controlling rotating forward power output end and reversion power output end.
In order to make, body electromagnet disconnects, reversible module commutates and the action of body electromagnetic actuation is carried out according to sequencing; in such scheme, in the control module of described control and protective switching device, be also provided with the delays time to control module for controlling the commutation time delay of reversible module and the time delay of body electromagnetic actuation.
Second goal of the invention of the present invention is a kind of reversible control method providing control and protective switching device, and it comprises the following steps:
(1) control and protective switching device is started, the control module of control and protective switching device judges whether halt switch closes, if halt switch disconnects, then the control module of control and protective switching device sends signal to body electromagnet, body electromagnet is disconnected, and motor quits work; If halt switch closes, then carry out step (2);
(2) control module of control and protective switching device judges in rotating forward switch and reversal switch, which switch closes, and closes, carry out step (3) if rotate forward switch, if reversal switch closes, and operating procedure (4);
(3) control module of control and protective switching device judges that the electromagnet of reversible module is in forward conduction or reverse-conducting, if be in forward conduction, control module does not transmit control signal, and motor normal forward is rotated; If reversible module is in reverse-conducting, the control module of control and protective switching device sends control signal makes control and protective switching device body electromagnet disconnect, then control module transmits control signal and makes reversible module be changed to positive to conducting, and then transmit control signal make body electromagnet close, motor forward run;
(4) control module of control and protective switching device judges that the electromagnet of reversible module is in forward conduction or reverse-conducting, if be in reverse-conducting, control module does not transmit control signal, and motor normally rotates backward; If reversible module is in forward conduction; the control module of control and protective switching device sends control signal makes control and protective switching device body electromagnet disconnect; then control module transmits control signal and makes reversible module change reverse-conducting into; and then transmit control signal make body electromagnet close, motor inverted running.
In such scheme; the control module of control and protective switching device is by judging with the conducting of control signal power end, whether feedback signal input terminal judges that the electromagnet of reversible module is in forward conduction or reverse-conducting; if feedback signal input terminal and the conducting of control signal power end; reversible module forward conduction is then described; if feedback signal input terminal and the not conducting of control signal power end, then illustrate reversible module reverse-conducting.
In such scheme; the control module of control and protective switching device is by judging with the conducting of control signal power end, whether feedback signal input terminal judges that the electromagnet of reversible module is in forward conduction or reverse-conducting; if feedback signal input terminal and the not conducting of control signal power end; reversible module forward conduction is then described; if feedback signal input terminal and the conducting of control signal power end, then illustrate reversible module reverse-conducting.
In the step (3) and (4) of such scheme; after reversible module commutation terminates; the control module of control and protective switching device body sends signal, and reversible coil and positive source terminals are disconnected, prevent reversible coil always electric heating and burning out.
In such scheme, in order to make, body electromagnet disconnects, reversible module commutates and the action of body electromagnetic actuation is carried out according to sequencing, in step (3), if reversible module is in reverse-conducting, time delay certain hour after the control module of control and protective switching device transmits control signal and body electromagnet is disconnected, sending signal again makes reversible module commutate as forward conduction, and then time delay one end time transmission signal makes body electromagnet close; In step (4); if reversible module is in forward conduction; time delay certain hour after the control module of control and protective switching device transmits control signal and body electromagnet is disconnected; sending signal again makes reversible module commutate as reverse-conducting, and then time delay one end time transmission signal makes body electromagnet close.
The advantage of reversible control and protective switching device of the present invention is: reversible control and protective switching device of the present invention, have employed the function of the control module of control and protective switching device, control the commutation of reversible module, the operation of the closed and disconnected of body electromagnet, relative to traditional contact control mode, the accuracy controlled is higher, and when reversible module commutation, can the time delay that transmit control signal be set, body electromagnet is disconnected, reversible module commutation, the operation that body electromagnet is closed is carried out in order, avoid the generation at reversible module error, better can protect motor, prevent motor from burning out.Reversible control and protective switching device of the present invention simplified relative to former invertibity control and protective switching device circuit structure; easier in operation; when motor will change inverted status into from rotating forward state; or when changing rotating forward state into from inverted status; only need closed reversal switch; do not need manually to disconnect body electromagnet; the process of commutation realizes by the control module of control and protective switching device completely; simple to operation; also reduce the generation of mistake largely, better protective effect is played to motor.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of former reversible control and protective switching device;
Fig. 2 is the circuit diagram of reversible control and protective switching device of the present invention;
Fig. 3 is the electrical schematic diagram of reversible module;
Fig. 4 is the control flow chart of reversible control and protective switching device of the present invention;
In figure, 1 is control and protective switching device body, and 2 is reversible module, and 3 is reversible coil, and K is master switch, and K1 is for rotating forward control switch, and K2 is reverse control switch, and K3 is for shutting down control switch.
Embodiment
With reference to a kind of reversible control and protective switching device shown in Fig. 2, it comprises control and protective switching device body 1 and reversible module 2, reversible module 2 inside is provided with reversible electromagnet, the forward terminals Az connection control of the reversible coil 3 of reversible electromagnet and the rotating forward power output end 24 of protection switch electrical equipment, the reverse wiring end Af connection control of reversible coil 3 and the reversion power output end 34 of protection switch electrical equipment, the common port A2 connection control of reversible coil 3 and the power cathode terminals of protection switch electrical equipment, and be connected with power cathode, the positive source terminals A1 of reversible module 2 is connected with the positive source terminals of control and protective switching device body 1, and be connected with positive source by master switch K, the control signal end 81 of reversible module 2 is connected with the control signal power end of control and protective switching device, the control signal end 81 of reversible module 2 is connected with the rotating forward control signal input DI1 of control and protective switching device by rotating forward control switch K1, the control signal end 81 of reversible module 2 is connected with the reverse control signal input DI2 of control and protective switching device by reverse control switch K2, the control signal end 81 of reversible module 2 is connected with the shutdown control signal input DI3 of control and protective switching device by shutting down control switch K3, the reversible coil 3 state feedback end 84 of reversible module 2 is connected with the feedback signal input terminal DI4 of control and protective switching device, body electromagnet coil ends A 3 and the A4 of control and protective switching device connect, the inverting module detecting the forward and reverse detection module of reversible module 2 and control the commutation of reversible module 2 is built-in with in the control module of control and protective switching device, detection module by detect reversible coil 3 state feedback end 84 and control signal power end 81 whether conducting judge forward and reverse state of reversible coil 3, inverting module controls the commutation of reversible coil 3 by controlling rotating forward power output end 24 and reversion power output end 34.
In such scheme; in order to make, body electromagnet disconnects, reversible module 2 commutates and the action of body electromagnetic actuation is carried out according to sequencing, is also provided with and commutates the delays time to control module of time delay and the time delay of body electromagnetic actuation for controlling reversible module 2 in the control module of described control and protective switching device.
A reversible control method for control and protective switching device, it comprises the following steps:
(1) control and protective switching device is started, the control module of control and protective switching device judges whether halt switch K3 closes, if halt switch K3 disconnects, then the control module of control and protective switching device sends signal to body electromagnet, body electromagnet is disconnected, and motor quits work; If halt switch K3 closes, then carry out step (2);
(2) control module of control and protective switching device judges in rotating forward K switch 1 and reversal switch K2, which switch closes, and closes, carry out step (3) if rotate forward K switch 1, if reversal switch K2 closes, and operating procedure (4);
(3) control module of control and protective switching device judges that the electromagnet of reversible module 2 is in forward conduction or reverse-conducting, if be in forward conduction, control module does not transmit control signal, and motor normal forward is rotated; If reversible module 2 is in reverse-conducting, the control module of control and protective switching device sends control signal makes control and protective switching device body 1 electromagnet disconnect, then control module transmits control signal and makes reversible module 2 change forward conduction into, and then transmit control signal make body electromagnet close, motor forward run;
(4) control module of control and protective switching device judges that the electromagnet of reversible module 2 is in forward conduction or reverse-conducting, if be in reverse-conducting, control module does not transmit control signal, and motor normally rotates backward; If reversible module 2 is in forward conduction; the control module of control and protective switching device sends control signal makes control and protective switching device body 1 electromagnet disconnect; then control module transmits control signal and makes reversible module 2 change reverse-conducting into; and then transmit control signal make body electromagnet close, motor inverted running.
In such scheme; the control module of control and protective switching device is by judging with control signal power end 81 conducting, whether feedback signal input terminal 84 judges that the electromagnet of reversible module 2 is in forward conduction or reverse-conducting; as shown in the electrical schematic diagram of feedback module in Fig. 3; if feedback signal input terminal 84 and control signal power end 81 conducting; reversible module 2 reverse-conducting is then described; if feedback signal input terminal 84 and control signal power end 81 not conducting, then illustrate reversible module 2 forward conduction.Judgment mode can by judging that feedback signal input terminal 84 realizes with the voltage of control signal power end 81 or the mode of resistance.
In such scheme, the control module of control and protective switching device controls forward conduction or the reverse-conducting of reversible module 2 by controlling positive source terminals and the conducting rotating forward power output end or the power output end that reverses, if positive source terminals and the conducting of rotating forward power output end, the then electromagnet forward coil conducting of reversible module 2, iron core is attracted to forward by magnetic field force, electromagnet forward conduction, if positive source terminals and the conducting of reversion power output end, the then electromagnet reverse winding conducting of reversible module 2, iron core is attracted to oppositely by magnetic field force, electromagnet reverse-conducting.
In the step (3) and (4) of such scheme; after reversible module 2 commutation terminates; the control module of control and protective switching device body 1 sends signal, and reversible coil 3 is disconnected with positive source terminals, prevent reversible coil 3 always electric heating and burning out.
In such scheme, in order to make, body electromagnet disconnects, reversible module 2 commutates and the action of body electromagnetic actuation is carried out according to sequencing, in step (3), if reversible module 2 is in reverse-conducting, time delay certain hour after the control module of control and protective switching device transmits control signal and body electromagnet is disconnected, sending signal again makes reversible module 2 commutate as forward conduction, and then time delay one end time transmission signal makes body electromagnet close; In step (4); if reversible module 2 is in forward conduction; time delay certain hour after the control module of control and protective switching device transmits control signal and body electromagnet is disconnected; sending signal again makes reversible module 2 commutate as reverse-conducting, and then time delay one end time transmission signal makes body electromagnet close.
Above embodiment is the explanation to the specific embodiment of the present invention; but not limitation of the present invention; person skilled in the relevant technique without departing from the spirit and scope of the present invention; can also make various conversion and change and obtain corresponding equivalent technical scheme, therefore all equivalent technical schemes all should be included into scope of patent protection of the present invention.
Claims (8)
1. a reversible control and protective switching device, it is characterized in that: it comprises control and protective switching device body and reversible module, reversible inside modules is provided with reversible electromagnet, the forward terminals connection control of the reversible coil of reversible electromagnet and the rotating forward power output end of protection switch electrical equipment, the reverse wiring end connection control of reversible coil and the reversion power output end of protection switch electrical equipment, the common port connection control of reversible coil and the power cathode terminals of protection switch electrical equipment, and be connected with power cathode, the positive source terminals of reversible module are connected with the positive source terminals of control and protective switching device body, and be connected with positive source by master switch, the control signal end of reversible module is connected with the control signal power end of control and protective switching device, the control signal end of reversible module is connected with the rotating forward control signal input of control and protective switching device by rotating forward control switch, the control signal end of reversible module is connected with the reverse control signal input of control and protective switching device by reverse control switch, the control signal end of reversible module is connected with the shutdown control signal input of control and protective switching device by shutting down control switch, the reversible coil state feedback end of reversible module is connected with the feedback signal input terminal of control and protective switching device, the body electromagnet coil two ends of control and protective switching device are connected, the inverting module detecting the forward and reverse detection module of reversible module and control the commutation of reversible module is built-in with in the control module of control and protective switching device, detection module by detect reversible coil state feedback end and control signal power end whether conducting judge forward and reverse state of reversible coil, inverting module controls the commutation of reversible coil by controlling rotating forward power output end and reversion power output end.
2. reversible control and protective switching device according to claim 1, is characterized in that: be also provided with the delays time to control module for controlling the commutation time delay of reversible module and the time delay of body electromagnetic actuation in the control module of described control and protective switching device.
3. a reversible control method for control and protective switching device, it is characterized in that, it comprises the following steps:
(1) control and protective switching device is started, the control module of control and protective switching device judges whether halt switch closes, if halt switch disconnects, then the control module of control and protective switching device sends signal to body electromagnet, body electromagnet is disconnected, and motor quits work; If halt switch closes, then carry out step (2);
(2) control module of control and protective switching device judges in rotating forward switch and reversal switch, which switch closes, and closes, carry out step (3) if rotate forward switch, if reversal switch closes, and operating procedure (4);
(3) control module of control and protective switching device judges that the electromagnet of reversible module is in forward conduction or reverse-conducting, if be in forward conduction, control module does not transmit control signal, and motor normal forward is rotated; If reversible module is in reverse-conducting, the control module of control and protective switching device sends control signal makes control and protective switching device body electromagnet disconnect, then control module transmits control signal and makes reversible module be changed to positive to conducting, and then transmit control signal make body electromagnet close, motor forward run;
(4) control module of control and protective switching device judges that the electromagnet of reversible module is in forward conduction or reverse-conducting, if be in reverse-conducting, control module does not transmit control signal, and motor normally rotates backward; If reversible module is in forward conduction; the control module of control and protective switching device sends control signal makes control and protective switching device body electromagnet disconnect; then control module transmits control signal and makes reversible module change reverse-conducting into; and then transmit control signal make body electromagnet close, motor inverted running.
4. the reversible control method of control and protective switching device according to claim 3; it is characterized in that: the control module of control and protective switching device is by judging with the conducting of control signal power end, whether feedback signal input terminal judges that the electromagnet of reversible module is in forward conduction or reverse-conducting; if feedback signal input terminal and the not conducting of control signal power end; reversible module forward conduction is then described; if feedback signal input terminal and the conducting of control signal power end, then illustrate reversible module reverse-conducting.
5. the reversible control method of control and protective switching device according to claim 3, it is characterized in that: the control module of control and protective switching device controls forward conduction or the reverse-conducting of reversible module by controlling positive source terminals and the conducting rotating forward power output end or the power output end that reverses, if positive source terminals and the conducting of rotating forward power output end, the then electromagnet forward coil conducting of reversible module, iron core is attracted to forward by magnetic field force, electromagnet forward conduction, if positive source terminals and the conducting of reversion power output end, the then electromagnet reverse winding conducting of reversible module, iron core is attracted to oppositely by magnetic field force, electromagnet reverse-conducting.
6. the reversible control method of control and protective switching device according to claim 3; it is characterized in that: in step (3); if reversible module is in reverse-conducting; time delay certain hour after the control module of control and protective switching device transmits control signal and body electromagnet is disconnected; sending signal again makes reversible module commutate as forward conduction, and then time delay one end time transmission signal makes body electromagnet close.
7. the reversible control method of control and protective switching device according to claim 3; it is characterized in that: in step (4); if reversible module is in forward conduction; time delay certain hour after the control module of control and protective switching device transmits control signal and body electromagnet is disconnected; sending signal again makes reversible module commutate as reverse-conducting, and then time delay one end time transmission signal makes body electromagnet close.
8. according to the reversible control method of the control and protective switching device in claim 3 to 7 described in any one; it is characterized in that: in step (3) and (4); after reversible module commutation terminates; the control module of control and protective switching device body sends signal; reversible coil and positive source terminals are disconnected, prevent reversible coil always electric heating and burning out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410665243.7A CN104362936B (en) | 2014-11-19 | 2014-11-19 | Reversible control and protective switching device and its reversible control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410665243.7A CN104362936B (en) | 2014-11-19 | 2014-11-19 | Reversible control and protective switching device and its reversible control method |
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| Publication Number | Publication Date |
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| CN104362936A true CN104362936A (en) | 2015-02-18 |
| CN104362936B CN104362936B (en) | 2017-07-21 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5933065A (en) * | 1995-09-28 | 1999-08-03 | Schneider Electric Sa | Control and signalling device for protective switching apparatus |
| CN201222198Y (en) * | 2008-03-12 | 2009-04-15 | 浙江科技学院 | System for automatically driving and controlling diverter test stand |
| CN201733079U (en) * | 2009-12-29 | 2011-02-02 | 上海电科电器科技有限公司 | Control and protection circuit of switch electrical appliance |
| CN103236808A (en) * | 2013-05-20 | 2013-08-07 | 江苏凯隆电器有限公司 | Voltage reduction start protector for motor |
-
2014
- 2014-11-19 CN CN201410665243.7A patent/CN104362936B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5933065A (en) * | 1995-09-28 | 1999-08-03 | Schneider Electric Sa | Control and signalling device for protective switching apparatus |
| CN201222198Y (en) * | 2008-03-12 | 2009-04-15 | 浙江科技学院 | System for automatically driving and controlling diverter test stand |
| CN201733079U (en) * | 2009-12-29 | 2011-02-02 | 上海电科电器科技有限公司 | Control and protection circuit of switch electrical appliance |
| CN103236808A (en) * | 2013-05-20 | 2013-08-07 | 江苏凯隆电器有限公司 | Voltage reduction start protector for motor |
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| CN104362936B (en) | 2017-07-21 |
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