CN104362936B - Reversible control and protective switching device and its reversible control method - Google Patents
Reversible control and protective switching device and its reversible control method Download PDFInfo
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- CN104362936B CN104362936B CN201410665243.7A CN201410665243A CN104362936B CN 104362936 B CN104362936 B CN 104362936B CN 201410665243 A CN201410665243 A CN 201410665243A CN 104362936 B CN104362936 B CN 104362936B
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Abstract
The present invention relates to a kind of reversible control and protective switching device and its reversible control method; it includes control and protective switching device body and reversible module; reversible module is internally provided with reversible electromagnet; the present invention is controlled to realize the commutation of reversible module by the control module of control and protective switching device body to reversible module; the reversible control and protective switching device circuit structure of the present invention is simple; control reliability is high; it is easy to operate; solve existing invertibity control and protective switching device fault rate high; it is cumbersome, the problems such as error-prone.
Description
Technical field
The present invention relates to electric switch field, specially a kind of reversible control and protective switching device and its reversible control
Method.
Background technology
Reversible control and protective switching device is to be connected to reversible module on control and protective switching device to realize
The rotating of motor, is as shown in Figure 1 the circuit theory diagrams of original reversible control and protective switching device, its control principle
For：K1 buttons are pressed, A1 is connected at the reversible coil two ends of the reversible electromagnet of reversible module, and A2, coil produces magnetic field, magnetic field force
Iron core is drawn onto forward direction, the A3 of control and protective switching device body, A4 is connected, and body electromagnetic actuation, major loop forward direction connects
Logical, while 13,14 connect, 11,12 disconnect, and 13,14 connections make A3, A4 be constantly in on-state, and body electromagnet is located always
In attracting state；11,12 disconnect, reversible coil losing electricity, prevent coil always electric heating.Make motor reversal, press K3,
A3, A4 dead electricity, body electromagnet disconnect, 11,12 adhesives, and 13,14 disconnect.K2 buttons are pressed, reverse winding obtains electric, and iron core is drawn onto
Reversely, A3, A4 are connected, and body electromagnetic actuation, major loop is reversely connected, while 13,14 connect, 11,12 disconnect.This control
Mode, when needing commutation (for example：From being just changed into reversion), it is necessary to first press halt switch K3 so that control is opened with protection
The body electromagnet of powered-down device is first disconnected, and reverse control switch K2 is then pressed again, to have multigroup contact to change in the process,
Including Sk in reversible module：Az turns Af；Ss：Az turns Af；Sb：Bz turns 11 and 12,13 in Bf, control and protective switching device body
With 14, the conversion of totally 5 groups of contacts, in theory, the conversion of these contacts are all to complete moment, still, because contact quantity
More, any group of conversion is bad, is likely to make motor steering fail, and this reversible control mode fault rate is high, Er Qiecao
Make cumbersome, it is therefore desirable to which existing reversible control and protective switching device is improved.
The content of the invention
It is an object of the invention to deposited for pointed existing reversible control and protective switching device in background technology
Fault rate it is high, it is cumbersome, easily the problem of error there is provided a kind of reversible control that can solve the problem that foregoing problems with protecting
Protect device for switching.
Realize that the technical scheme of the goal of the invention of the present invention is as follows：
A kind of reversible control and protective switching device, it includes control and protective switching device body and reversible module,
Reversible module is internally provided with reversible electromagnet, and the positive terminals connection control of the reversible coil of reversible electromagnet is opened with protection
The rotating forward power output end of powered-down device, the reversion power supply of the reverse wiring end connection control and protective switching device of reversible coil is defeated
Go out end, the common port of reversible coil connects the power cathode terminals of control and protective switching device, and is 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 by total
Switch is connected with positive source, and the control signal end of reversible module and the control signal power end of control and protective switching device connect
Connect, the control signal end of reversible module is inputted by rotating forward the rotating forward control signal of controlling switch and control and protective switching device
End connection, the control signal end of reversible module passes through reverse control switch and the reverse control signal of control and protective switching device
Input is connected, and the shutdown of the control signal end of reversible module by shutting down controlling switch and control and protective switching device is controlled
Signal input part is connected, and the reversible coil state feedback end of reversible module and the feedback signal of control and protective switching device are inputted
End connection, the body electromagnet coil two ends of control and protective switching device are connected, the control mould of control and protective switching device
It is built-in with block and detects the detection module that reversible module is forward and reverse and the inverting module for controlling reversible module to commutate, detection module leads to
Cross and detect whether reversible coil state feedback end turns on to judge forward and reverse state of reversible coil with control signal power end, change
To module the commutation of reversible coil is controlled by controlling to rotate forward power output end and reversion power output end.
In order that body electromagnet disconnects, the commutation of reversible module and the action of body electromagnetic actuation are according to sequencing
Carry out, in such scheme, be additionally provided with the control module of described control and protective switching device for controlling reversible module
The delays time to control module that commutation delay and body electromagnetic actuation are delayed.
Second goal of the invention of the present invention is a kind of reversible control method for providing control and protective switching device, its
Comprise the following steps：
(1) control and protective switching device is started, the control module of control and protective switching device judges that halt switch is
No closure, if halt switch disconnects, the control module of control and protective switching device sends signal to body electromagnet, makes
Body electromagnet disconnects, and motor is stopped；If halt switch is closed, step (2) is carried out；
(2) control module of control and protective switching device judges to rotate forward which switch closure in switch and reversal switch,
If rotating forward switch closure, step (3) is carried out, if reversal switch is closed, operating procedure (4)；
(3) control module of control and protective switching device judges that the electromagnet of reversible module is in forward conduction or anti-
To conducting, if in forward conduction, control module does not send control signal, and motor normal forward is rotated；If reversible module
In reverse-conducting, the control module of control and protective switching device, which sends control signal, makes control and protective switching device body
Electromagnet disconnects, and then control module, which sends control signal, makes reversible module be changed into forward conduction, then retransmits control letter
Close number body electromagnet, motor forward direction operation；
(4) control module of control and protective switching device judges that the electromagnet of reversible module is in forward conduction or anti-
To conducting, if in reverse-conducting, control module does not send control signal, and motor is normally rotated backward；If reversible module
In forward conduction, the control module of control and protective switching device, which sends control signal, makes control and protective switching device body
Electromagnet disconnects, and then control module, which sends control signal, makes reversible module be changed into reverse-conducting, then retransmits control letter
Close number body electromagnet, motor inverted running.
In such scheme, the control module of control and protective switching device by judge feedback signal input terminal whether with control
The electromagnet that signal power source end processed turns on to judge reversible module is in forward conduction or reverse-conducting, if feedback signal is defeated
Enter end to turn on control signal power end, then illustrate reversible module forward conduction, if feedback signal input terminal and control signal
Power end is not turned on, then illustrates reversible module reverse-conducting.
In such scheme, the control module of control and protective switching device by judge feedback signal input terminal whether with control
The electromagnet that signal power source end processed turns on to judge reversible module is in forward conduction or reverse-conducting, if feedback signal is defeated
Enter end to be not turned on control signal power end, then illustrate reversible module forward conduction, if feedback signal input terminal is believed with control
The conducting of number power end, then illustrate reversible module reverse-conducting.
The step of such scheme in (3) and (4), after reversible module commutation terminates, control and protective switching device body
Control module send signal, disconnect reversible coil and positive source terminals, prevent reversible coil always electric generate heat and
Burn out.
In such scheme, in order that body electromagnet disconnects, reversible module commutates and the action of body electromagnetic actuation
Carried out according to sequencing, in step (3), if reversible module is in reverse-conducting, the control of control and protective switching device
Module, which sends control signal, makes body electromagnet be delayed certain time after disconnecting, and retransmiting signal makes reversible module commutation be forward direction
Conducting, one end time that is then delayed again, which sends signal, closes body electromagnet；In step (4), if reversible module is in just
To conducting, the control module of control and protective switching device, which sends control signal, makes body electromagnet be delayed one after disconnecting regularly
Between, retransmiting signal makes reversible module commutation be reverse-conducting, and one end time that is then delayed again, which sends signal, makes body electromagnet
Closure.
The advantage of the reversible control and protective switching device of the present invention is：The reversible control of the present invention is opened with protection
Powered-down device, employs the function of the control module of control and protective switching device, controls commutation, the body electromagnet of reversible module
Closed and disconnected operation, relative to traditional contact control mode, the accuracy of control is higher, and is changed in reversible module
Xiang Shi, can set transmission control signal delay, disconnect body electromagnet, reversible module is commutated, body electromagnet is closed
Operation is carried out in order, it is to avoid in the generation of reversible module error, can preferably be protected motor, is prevented motor from burning out.This
The reversible control and protective switching device of invention is relative to former invertibity control and protective switching device circuit structure letter
Change, it is easier in operation, it is changed into rotating forward shape when motor will be changed into inverted status from rotating forward state, or from inverted status
During state, it is only necessary to close reversal switch, it is not necessary to disconnect body electromagnet manually, the process of commutation is completely by control and guarantor
The control module of device for switching is protected to realize, it is simple to operate, the generation of mistake is also largely reduced, to motor
Play more preferable protective effect.
Brief description of the drawings
Fig. 1 is the circuit diagram of former reversible control and protective switching device；
Fig. 2 is the circuit diagram of the 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 the reversible control and protective switching device of the present invention；
In figure, 1 is control and protective switching device body, and 2 be reversible module, and 3 be reversible coil, and K is master switch, and K1 is
Controlling switch is rotated forward, K2 is reverse control switch, and K3 is shutdown controlling switch.
Embodiment
A kind of reversible control and protective switching device shown in reference picture 2, it includes control and protective switching device sheet
Body 1 and reversible module 2, reversible module 2 are internally provided with reversible electromagnet, the positive wiring of the reversible coil 3 of reversible electromagnet
Hold the rotating forward power output end 24 of Az connection control and protective switching devices, the reverse wiring end Af connections control of reversible coil 3
With the reversion power output end 34 of protection switch electrical equipment, the common port A2 connection control and protective switching devices of reversible coil 3
Power cathode terminals, and be connected with power cathode, positive source terminals A1 and the control and protective switch electricity of reversible module 2
The positive source terminals connection of device body 1, and be connected by master switch K with positive source, the control signal end of reversible module 2
81 are connected with the control signal power end of control and protective switching device, and the control signal end 81 of reversible module 2 is controlled by rotating forward
System switch K1 and control and protective switching device rotating forward control signal input DI1 connections, the control signal end of reversible module 2
81 pass through the reverse control signal input DI2 connections of reverse control switch K2 and control and protective switching device, reversible module 2
Control signal end 81 by shut down controlling switch K3 and control and protective switching device shutdown control signal input DI3 connect
Connect, the feedback of status end 84 of reversible coil 3 of reversible module 2 and the feedback signal input terminal DI4 of control and protective switching device connect
Connect, the body electromagnet coil ends A 3 and A4 of control and protective switching device is connected, the control of control and protective switching device
It is built-in with module and detects the detection module that reversible module 2 is forward and reverse and the inverting module for controlling reversible module 2 to commutate, detects mould
Block is judging reversible coil 3 just by detecting the reversible feedback of status end 84 of coil 3 with whether control signal power end 81 turns on
Reverse state, inverting module controls reversible coil 3 by controlling to rotate forward power output end 24 and reversion power output end 34
Commutation.
In such scheme, in order that body electromagnet disconnects, reversible module 2 commutates and the action of body electromagnetic actuation
Carry out, be additionally provided with the control module of described control and protective switching device for controlling reversible module according to sequencing
The delays time to control module that 2 commutation delays and body electromagnetic actuation are delayed.
A kind of reversible control method of 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 halt switch K3
Whether close, if halt switch K3 disconnects, the control module of control and protective switching device is sent to body electromagnet to be believed
Number, disconnect body electromagnet, motor is stopped；If halt switch K3 is closed, step (2) is carried out；
(2) which switch in switch K1 and reversal switch K2 judged to rotate forward and is closed for the control module of control and protective switching device
Close, if rotating forward switch K1 closures, carry out step (3), if reversal switch K2 is closed, operating procedure (4)；
(3) control module of control and protective switching device judges that the electromagnet of reversible module 2 is in forward conduction still
Reverse-conducting, if in forward conduction, control module does not send control signal, and motor normal forward is rotated；If invertible module
Block 2 is in reverse-conducting, and the control module of control and protective switching device, which sends control signal, makes control and protective switching device
The electromagnet of body 1 disconnects, and then control module, which sends control signal, makes reversible module 2 be changed into forward conduction, then retransmits
Control signal closes body electromagnet, motor forward direction operation；
(4) control module of control and protective switching device judges that the electromagnet of reversible module 2 is in forward conduction still
Reverse-conducting, if in reverse-conducting, control module does not send control signal, and motor is normally rotated backward；If invertible module
Block 2 is in forward conduction, and the control module of control and protective switching device, which sends control signal, makes control and protective switching device
The electromagnet of body 1 disconnects, and then control module, which sends control signal, makes reversible module 2 be changed into reverse-conducting, then retransmits
Control signal closes body electromagnet, motor inverted running.
In such scheme, the control module of control and protective switching device by judge feedback signal input terminal 84 whether with
The electromagnet that control signal power end 81 turns on to judge reversible module 2 is in anti-in forward conduction or reverse-conducting, such as Fig. 3
Shown in the electrical schematic diagram for presenting module, if feedback signal input terminal 84 is turned on control signal power end 81, illustrate invertible module
The reverse-conducting of block 2, if feedback signal input terminal 84 is not turned on control signal power end 81, illustrates that reversible module 2 is positive
Conducting.Judgment mode can be by way of judging voltage or resistance of the feedback signal input terminal 84 with control signal power end 81
To realize.
In such scheme, the control module of control and protective switching device is by controlling positive source terminals with rotating forward electricity
The forward conduction or reverse-conducting of the reversible module 2 of conducting control of source output terminal or reversion power output end, if positive source
Terminals are with rotating forward power output end conducting, then iron core is attracted to by the positive coil conducting of the electromagnet of reversible module 2, magnetic field force
Forward direction, electromagnet forward conduction, if positive source terminals and reversion power output end conducting, the electromagnetism of reversible module 2
Iron reverse winding is turned on, and iron core is attracted to reversely by magnetic field force, electromagnet reverse-conducting.
The step of such scheme in (3) and (4), after the reversible commutation of module 2 terminates, control and protective switching device body
1 control module sends signal, reversible coil 3 is disconnected with positive source terminals, prevent reversible coil 3 always electric heating
And burn out.
In such scheme, in order that body electromagnet disconnects, reversible module 2 commutates and the action of body electromagnetic actuation
Carried out according to sequencing, in step (3), if reversible module 2 is in reverse-conducting, the control of control and protective switching device
Module, which sends control signal, makes body electromagnet be delayed certain time after disconnecting, and retransmiting signal makes the reversible commutation of module 2 for just
To conducting, one end time that is then delayed again, which sends signal, closes body electromagnet；In step (4), if reversible module 2 is in
Forward conduction, the control module of control and protective switching device, which sends control signal, makes body electromagnet be delayed one after disconnecting regularly
Between, retransmiting signal makes the reversible commutation of module 2 be reverse-conducting, and one end time that is then delayed again, which sends signal, makes body electromagnet
Closure.
Above example is the explanation of the embodiment to the present invention, rather than limitation of the present invention, relevant technology
The technical staff in field without departing from the spirit and scope of the present invention, can also make various conversion and change and obtain
To corresponding equivalent technical scheme, therefore all equivalent technical schemes should be included into the patent protection model of the present invention
Enclose.
Claims (8)
1. a kind of reversible control and protective switching device, it is characterised in that：It include control and protective switching device body and
Reversible module, reversible module is internally provided with reversible electromagnet, the positive terminals connection control of the reversible coil of reversible electromagnet
System and the rotating forward power output end of protection switch electrical equipment, the reverse wiring end connection control and protective switching device of reversible coil
Invert power output end, the common port of reversible coil connects the power cathode terminals of control and protective switching device, and with electricity
Source negative pole connection, the positive source terminals of reversible module connect with the positive source terminals of control and protective switching device body
Connect, and be connected by master switch with positive source, the control signal end of reversible module and the control of control and protective switching device
Signal power source end is connected, and the control signal end of reversible module is by rotating forward the rotating forward of controlling switch and control and protective switching device
Control signal input is connected, and the control signal end of reversible module passes through reverse control switch and control and protective switching device
Reverse control signal input is connected, and the control signal end of reversible module is by shutting down controlling switch and control and protective switch electricity
The shutdown control signal input connection of device, the reversible coil state feedback end of reversible module and control and protective switching device
Feedback signal input terminal is connected, and the body electromagnet coil two ends of control and protective switching device are connected, control and protective switch
It is built-in with the control module of electrical equipment and detects the detection module that reversible module is forward and reverse and the commutation mould for controlling reversible module to commutate
Block, detection module judges reversible coil by detecting whether reversible coil state feedback end and control signal power end turn on
Forward and reverse state, inverting module controls changing for reversible coil by controlling to rotate forward power output end and reversion power output end
To.
2. reversible control and protective switching device according to claim 1, it is characterised in that：Described control and protection
It is additionally provided with the control module of device for switching for controlling reversible module commutation delay and prolonging that body electromagnetic actuation is delayed
When control module.
3. a kind of reversible control method of control and protective switching device, it is characterised 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
Close, if halt switch disconnects, the control module of control and protective switching device sends signal to body electromagnet, makes body
Electromagnet disconnects, and motor is stopped；If halt switch is closed, step (2) is carried out；
(2) control module of control and protective switching device judges to rotate forward which switch closure in switch and reversal switch, if
Switch closure is rotated forward, step (3) is carried out, if reversal switch is closed, operating procedure (4)；
(3) control module of control and protective switching device judges that the electromagnet of reversible module is still reversely led in forward conduction
Logical, if in forward conduction, control module does not send control signal, and motor normal forward is rotated；If reversible module is in
Reverse-conducting, the control module of control and protective switching device, which sends control signal, makes control and protective switching device body electromagnetism
Iron disconnects, and then control module, which sends control signal, makes reversible module be changed into forward conduction, and then retransmiting control signal makes
Body electromagnet is closed, motor forward direction operation；
(4) control module of control and protective switching device judges that the electromagnet of reversible module is still reversely led in forward conduction
Logical, if in reverse-conducting, control module does not send control signal, and motor is normally rotated backward；If reversible module is in
Forward conduction, the control module of control and protective switching device, which sends control signal, makes control and protective switching device body electromagnetism
Iron disconnects, and then control module, which sends control signal, makes reversible module be changed into reverse-conducting, and then retransmiting control signal makes
Body electromagnet is closed, motor inverted running.
4. the reversible control method of control and protective switching device according to claim 3, it is characterised in that：Control is with protecting
The control module of device for switching is protected by judging it is reversible to judge whether feedback signal input terminal turns on control signal power end
The electromagnet of module is in forward conduction or reverse-conducting, if feedback signal input terminal is not led with control signal power end
It is logical, then illustrate reversible module forward conduction, if feedback signal input terminal is turned on control signal power end, illustrate reversible
Module reverse-conducting.
5. the reversible control method of control and protective switching device according to claim 3, it is characterised in that：Control is with protecting
The control module of device for switching is protected by controlling the positive source terminals of reversible module with rotating forward power output end or reversion electricity
The forward conduction or reverse-conducting of the electromagnet of the reversible module of conducting control of source output terminal, if the positive source of reversible module
Terminals are with rotating forward power output end conducting, then iron core is attracted to by the positive coil conducting of the electromagnet of reversible module, magnetic field force
Forward direction, electromagnet forward conduction, if the positive source terminals of reversible module and reversion power output end conducting, invertible module
Iron core is attracted to reversely by the electromagnet reverse winding conducting of block, magnetic field force, electromagnet reverse-conducting.
6. the reversible control method of control and protective switching device according to claim 3, it is characterised in that：Step (3)
In, if reversible module is in reverse-conducting, the control module of control and protective switching device, which sends control signal, makes body electricity
Magnet is delayed certain time after disconnecting, and retransmiting signal makes reversible module commutation be forward conduction, is then delayed again a period of time
Sending signal closes body electromagnet.
7. the reversible control method of control and protective switching device according to claim 3, it is characterised in that：Step (4)
In, if reversible module is in forward conduction, the control module of control and protective switching device, which sends control signal, makes body electricity
Magnet is delayed certain time after disconnecting, and retransmiting signal makes reversible module commutation be reverse-conducting, is then delayed again a period of time
Sending signal closes body electromagnet.
8. the reversible control method of the control and protective switching device according to any one in claim 3 to 7, its feature
It is：In step (3) and (4), after reversible module commutation terminates, the control module of control and protective switching device body sends letter
Number, disconnect the positive source terminals of reversible coil and reversible module, prevent reversible coil always electric generate heat and burn 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 |
Applications Claiming Priority (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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| Publication Number | Publication Date |
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| CN104362936A CN104362936A (en) | 2015-02-18 |
| CN104362936B true 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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| Publication number | Publication date |
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| CN104362936A (en) | 2015-02-18 |
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