CN202754683U - Novel electric permanent magnetic controller - Google Patents
Novel electric permanent magnetic controller Download PDFInfo
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- CN202754683U CN202754683U CN 201220165672 CN201220165672U CN202754683U CN 202754683 U CN202754683 U CN 202754683U CN 201220165672 CN201220165672 CN 201220165672 CN 201220165672 U CN201220165672 U CN 201220165672U CN 202754683 U CN202754683 U CN 202754683U
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Abstract
An embodiment of the utility model discloses a novel electric permanent magnetic controller which comprises a first SCR (silicon controlled rectifier), a second SCR, a first relay, a second relay, a first diode and a second diode. An anode of the first diode is connected to a cathode of the first SCR, a cathode of the fist diode is connected to a moving contact of the second relay, a cathode of the second diode is connected to an anode of the second SCR, and an anode of the second diode is connected to a moving contact of the second relay. The first diode and the second diode are added to the electric permanent magnetic controller and can bear a large amount of back pressure generated at the moment of turning off the Scars by a field coil in an electric permanent magnet so that back pressure borne by the Scars in the electric permanent magnetic controller, and accordingly probability of the Scars being subjected to breakdown is lowered, the service life of the electric permanent magnetic controller is further prolonged and probability of breakdown of the field coil in the electric permanent magnet is lowered at the same time.
Description
Technical field
The utility model belongs to the Electrical Control Technology field, relates in particular to a kind of novel electric permanent magnetic controller.
Background technology
Electric control permanent magnet is a kind of lifting and clamping apparatus of economic environmental protection, it is consume electric power within 0.1 second to 0.6 second the time of magnetizing and demagnetizing only, have the characteristics such as energy-conserving and environment-protective, safe in operation, electric control permanent magnet also has the safety performance of permanent magnetic lifter simultaneously, therefore is widely used in recent years.
The electricity permanent magnetic controller is the indispensable parts of electric control permanent magnet, and the structure of traditional electric permanent magnetic controller comprises the first controllable silicon SCR 11, the second controllable silicon SCR 12, the first relay K 11 and the second relay K 12 as shown in Figure 1.Wherein: the anodic bonding of the first controllable silicon SCR 11 to live wire, negative electrode is connected to moving contact, the control utmost point incoming control signal of the first relay K 11, and the first break back contact of the first relay K 11 is connected to the first end that the first end of the second excitation coil L12 in the electric control permanent magnet, the second break back contact are connected to the first excitation coil L11 in the electric control permanent magnet; The negative electrode of the second controllable silicon SCR 12 is connected to moving contact, the control utmost point incoming control signal of live wire, anodic bonding to the second relay K 12, and the first break back contact of the second relay K 12 is connected to the first end that the first end of the first excitation coil L11, the second break back contact are connected to the second excitation coil L12; The second end of the second end of the first excitation coil L11 and the second excitation coil L12 is connected to respectively zero line.
The working process of traditional electric permanent magnetic controller is: magnetize the stage, the conducting that all is triggered of the first controllable silicon SCR 11 and the second controllable silicon SCR 12, the moving contact of the first relay K 11 is positioned at its first break back contact, the moving contact of the second relay K 12 is positioned at its first break back contact, the second excitation coil L12 is by the instantaneous current of forward, the first excitation coil L11 is by reverse instantaneous current, and this moment, electric control permanent magnet magnetized, and workpiece is held; Demagnetization phase, the moving contact of the first relay K 11 moves to its second break back contact, the moving contact of the second relay K 12 moves to its second break back contact, afterwards the first controllable silicon SCR 11 and the second controllable silicon SCR 12 conducting that all is triggered, the first excitation coil L11 is by the instantaneous current of forward, the second excitation coil L12 is by reverse instantaneous current, and this moment, electric control permanent magnet demagnetized, and workpiece is released.
But, the excitation coil of electric control permanent magnet is large inductive excitation coil, and the curent change during excitation very large (instantaneous current reaches more than 80 amperes), the back-pressure of bearing when causing silicon control to turn-off is larger, because traditional electric permanent magnetic controller adopts the mode of the direct rectification of silicon control, therefore very easily cause the breakdown damage of silicon control, shortened the service life of electric permanent magnetic controller, even can cause the damage of excitation coil in the electric control permanent magnet.
The utility model content
In view of this, the purpose of this utility model is to provide a kind of novel electric permanent magnetic controller, can be by the traditional electrical permanent magnetic controller be carried out structural development, reduce the back-pressure of bearing when silicon control turn-offs, thereby reduce the probability of the breakdown damage of silicon control, and then prolong service life of electric permanent magnetic controller, reduce simultaneously the impaired probability of excitation coil in the electric control permanent magnet.
For achieving the above object, the utility model provides following technical scheme:
A kind of novel electric permanent magnetic controller comprises the first silicon control, the second silicon control, the first relay and the second relay, also comprises the first diode and the second diode;
Described the first silicon controlled anodic bonding to live wire, negative electrode is connected to anode, the control utmost point incoming control signal of described the first diode;
The moving contact of described the first relay is connected to the negative electrode of described the first diode, the first end that the first break back contact is connected to the second excitation coil in the electric control permanent magnet, the first end that the second break back contact is connected to the first excitation coil in the described electric control permanent magnet;
The second silicon controlled negative electrode is connected to live wire, anodic bonding extremely negative electrode, the control utmost point incoming control signal of described the second diode;
The moving contact of the second relay is connected to the anode of described the second diode, the first end that the first break back contact is connected to the first excitation coil, the first end that the second break back contact is connected to the second excitation coil;
The second end of the first excitation coil and the second end of the second excitation coil are connected to respectively zero line.
Preferably, in above-mentioned electric permanent magnetic controller, also comprise a RC resistance-capacitance absorption network that is parallel to described the first silicon control two ends and/or be parallel to the 2nd RC resistance-capacitance absorption network at described the second silicon control two ends;
A described RC resistance-capacitance absorption network comprises the first resistance and first electric capacity of series connection;
Described the 2nd RC resistance-capacitance absorption network comprises the second resistance and second electric capacity of series connection.
Preferably, in above-mentioned electric permanent magnetic controller, also comprise the 3rd relay, the second end of described the first excitation coil and the second end of the second excitation coil are connected to described zero line by the secondary contact of described the 3rd relay respectively.
Preferably, in above-mentioned electric permanent magnetic controller, also comprise controller, the main coil of described the first silicon controlled control utmost point, described the second silicon controlled control utmost point, the main coil of described the first relay, described the second relay and the main coil of described the 3rd relay are connected to respectively an output port of described controller.
This shows, the beneficial effects of the utility model are: in the disclosed electric permanent magnetic controller of the utility model, the first diode and the second diode have been increased, this first diode and the second diode can bear a large amount of back-pressures that excitation coil produces at the silicon control shutdown moment in the electric control permanent magnet, reduce the back-pressure that silicon control bears in the electric permanent magnetic controller, thereby reduced the probability of the breakdown damage of silicon control, and then prolong service life of electric permanent magnetic controller, reduced simultaneously the impaired probability of the excitation coil in the electric control permanent magnet.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of traditional electric permanent magnetic controller;
Fig. 2 is the structural representation of the disclosed a kind of novel electric permanent magnetic controller of the utility model;
Fig. 3 is the structural representation of the novel electric permanent magnetic controller of the disclosed another kind of the utility model;
Fig. 4 is the structural representation of the novel electric permanent magnetic controller of the disclosed another kind of the utility model.
The specific embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer, below in conjunction with the accompanying drawing among the utility model embodiment, technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model discloses a kind of electric permanent magnetic controller, by the traditional electrical permanent magnetic controller is carried out structural development, can reduce the back-pressure of bearing when silicon control turn-offs, thereby reduce the probability of the breakdown damage of silicon control, and then prolong service life of electric permanent magnetic controller, reduce simultaneously the impaired probability of excitation coil in the electric control permanent magnet.
Referring to Fig. 2, Fig. 2 is the structural representation of the disclosed a kind of novel electric permanent magnetic controller of the utility model.
This electricity permanent magnetic controller comprises the first controllable silicon SCR 21, the second controllable silicon SCR 22, the first relay K 21, the second relay K 22, the first diode D1 and the second diode D2.Wherein:
The anodic bonding of the first controllable silicon SCR 21 is to live wire L, and the negative electrode of the first controllable silicon SCR 21 is connected to the anode of the first diode D1, the control utmost point incoming control signal of the first controllable silicon SCR 21.The moving contact of the first relay K 21 is connected to the negative electrode of the first diode D1, and the second break back contact that the first break back contact of the first relay K 21 is connected to the first end of the second excitation coil L22 in the electric control permanent magnet, the first relay K 21 is connected to the first end of the first excitation coil L21 in the electric control permanent magnet.The negative electrode of the second controllable silicon SCR 22 is connected to live wire L, the negative electrode of anodic bonding to the second diode D2 of the second controllable silicon SCR 22, the control utmost point incoming control signal of the second controllable silicon SCR 22.The moving contact of the second relay K 22 is connected to the anode of the second diode D2, and the first break back contact of the second relay K 22 is connected to the first end of the first excitation coil L21, and the second break back contact of the second relay K 22 is connected to the first end of the second excitation coil L22.The second end of the second end of the first excitation coil L21 and the second excitation coil L22 is connected to respectively zero line N.
The below describes the working process of electric permanent magnetic controller shown in Figure 1.
In the stage of magnetizing, the conducting that all is triggered of the first controllable silicon SCR 21 and the second controllable silicon SCR 22, the moving contact of the first relay K 21 is positioned at its first break back contact, the moving contact of the second relay K 22 is positioned at its first break back contact, the second excitation coil L22 is by the instantaneous current of forward, the first excitation coil L21 is by reverse instantaneous current, and this moment, electric control permanent magnet magnetized, and workpiece is held; Demagnetization phase, the moving contact of the first relay K 21 moves to its second break back contact, the moving contact of the second relay K 22 moves to its second break back contact, afterwards the first controllable silicon SCR 21 and the second controllable silicon SCR 22 conducting that all is triggered, the first excitation coil L21 is by the instantaneous current of forward, the second excitation coil L22 is by reverse instantaneous current, and this moment, electric control permanent magnet demagnetized, and workpiece is released.
In said process, by adjusting the angle of flow of the first controllable silicon SCR 21 and the second controllable silicon SCR 22, can adjust the instantaneous current that flows through the first excitation coil L21 and the second excitation coil L22.In the first controllable silicon SCR 21 and the second controllable silicon SCR 22 turn off process, the major part of the first excitation coil L21 and the second excitation coil back-pressure that L22 produces is born by the first diode D1 and the second diode D2, has reduced the back-pressure that the first controllable silicon SCR 21 and the second controllable silicon SCR 22 are born.
To sum up, in the above-mentioned disclosed electric permanent magnetic controller of the utility model, the first diode and the second diode have been increased, this first diode and the second diode can bear a large amount of back-pressures that excitation coil produces at the silicon control shutdown moment in the electric control permanent magnet, reduce the back-pressure that silicon control bears in the electric permanent magnetic controller, thereby reduced the probability of the breakdown damage of silicon control, and then prolonged the service life of electric permanent magnetic controller, reduced simultaneously the impaired probability of the excitation coil in the electric control permanent magnet.
In the enforcement, can the 2nd RC resistance-capacitance absorption network that be parallel to a RC resistance-capacitance absorption network at the first controllable silicon SCR 21 two ends and/or be parallel to the second controllable silicon SCR 22 two ends be set in electric permanent magnetic controller further, to guarantee the silicon control safe operation in the electric permanent magnetic controller.Describe below in conjunction with Fig. 3.
Electric permanent magnetic controller shown in Figure 3 is compared with electric permanent magnetic controller shown in Figure 2, and its difference is: further be provided with a RC resistance-capacitance absorption network and the 2nd RC resistance-capacitance absorption network.Wherein, a RC resistance-capacitance absorption network comprises the first resistance R 21 and first capacitor C 21 of series connection; The 2nd RC resistance-capacitance absorption network comprises the second resistance R 22 and second capacitor C 22 of series connection.
Excessive for the limiting circuit voltage build-up rate, guarantee the silicon control safe operation, the RC resistance-capacitance absorption network in parallel at the silicon controlled two ends, the characteristic of utilizing the electric capacity both end voltage not suddenly change is come the deboost escalating rate.Have inductance in the circuit, because can play shock damping action with the resistance of capacitances in series, so it can prevent rlc circuit in transient process, because the over voltage that vibration occurs at the cond two ends is damaged silicon control.Simultaneously, avoid cond to pass through the silicon control discharge current excessive, cause excess current and damage silicon control.
Referring to Fig. 4, Fig. 4 is the structural representation of the novel electric permanent magnetic controller of the disclosed another kind of the utility model.The difference of electric permanent magnetic controller shown in Figure 4 and the described electric permanent magnetic controller of Fig. 3 is: further be provided with the 3rd relay K 23.
One end of the secondary contact of the 3rd relay K 23 is connected to the second end of the first excitation coil L21 and the second end of the second excitation coil L22 simultaneously, the other end of the secondary contact of the 3rd relay K 23 is connected to zero line N, and namely the second end of the second end of the first excitation coil L21 and the second excitation coil L22 is connected to zero line N by the secondary contact of the 3rd relay K 23 respectively.
The below describes the working process of electric permanent magnetic controller shown in Figure 4.
In the stage of magnetizing, the secondary contact adhesive of the 3rd relay K 23, the conducting that all is triggered of the first controllable silicon SCR 21 and the second controllable silicon SCR 22, the moving contact of the first relay K 21 is positioned at its first break back contact, and the moving contact of the second relay K 22 is positioned at its first break back contact, and the second excitation coil L22 is by the instantaneous current of forward, the first excitation coil L21 is by reverse instantaneous current, this moment, electric control permanent magnet magnetized, and workpiece is held, and the secondary contact of controlling afterwards the 3rd relay K 23 disconnect; Demagnetization phase, the moving contact of the first relay K 21 moves to its second break back contact, the moving contact of the second relay K 22 moves to its second break back contact, the secondary contact adhesive of the 3rd relay K 23, afterwards the first controllable silicon SCR 21 and the second controllable silicon SCR 22 conducting that all is triggered, the first excitation coil L21 is by the instantaneous current of forward, and the second excitation coil L22 is by reverse instantaneous current, electric control permanent magnet demagnetization this moment, workpiece is released.
For Fig. 2 and electric permanent magnetic controller shown in Figure 3, when live wire L and zero line N connect inverse time, live wire L will be directly connected in the load (i.e. the first excitation coil L21 and the second excitation coil L22), can cause that load is charged for a long time, in addition, if the insulating power of load are bad, when connecing, live wire L and zero line N inverse time can cause electric leakage, cause potential safety hazard.And in electric permanent magnetic controller shown in Figure 4, load is connected to power supply by the secondary contact of the 3rd relay K 23, even if live wire L and zero line N connect instead, before the secondary contact closure of the 3rd relay K 23, can not cause the long-term charged or electric leakage of load yet, thereby eliminate potential safety hazard.
Need to prove, whether the conducting of the first controllable silicon SCR 21 reaches angle of flow is controlled by extremely going up the Loading Control signal in its control, whether the conducting of the second controllable silicon SCR 22 reaches angle of flow by controlling at its control utmost point Loading Control signal, the movement of moving contact is by controlling at its main coil Loading Control signal in the first relay K 21, the movement of the moving contact of the second relay K 22 is by controlling at its main coil Loading Control signal, and the adhesive of the secondary contact of the 3rd relay K 23 and disconnection are by controlling at its main coil Loading Control signal.Above-mentioned each control signal can produce by external control convenience.
Certainly, also controller can be set further in electric permanent magnetic controller, to realize the control to the first controllable silicon SCR 21, the second controllable silicon SCR 22, the first relay K 21, the second relay K 22 and the 3rd relay K 23.Concrete, a plurality of output ports are set in the controller, and the main coil of the control utmost point of the control utmost point of the first controllable silicon SCR 21, the second controllable silicon SCR 22, the main coil of the first relay K 21, the second relay K 22 and the main coil of the 3rd relay K 23 are connected to respectively an output port of controller.
Controller is carried out computing, collection and the control to filling demagnetization current intensity and time, and can automatically adjust size of current and fill the demagnetization current time according to setting value, can carry out quick-setting to eight kinds of parameters such as the intensity that magnetizes, the time of magnetizing, obtain the magnetic-field intensity and the saturating magnetic degree of depth that need.
Each embodiment adopts the mode of going forward one by one to describe in this specification sheets, and what each embodiment stressed is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from spirit or scope of the present utility model, in other embodiments realization.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (4)
1. a novel electric permanent magnetic controller comprises the first silicon control, the second silicon control, the first relay and the second relay, it is characterized in that, also comprises the first diode and the second diode;
Described the first silicon controlled anodic bonding to live wire, negative electrode is connected to anode, the control utmost point incoming control signal of described the first diode;
The moving contact of described the first relay is connected to the negative electrode of described the first diode, the first end that the first break back contact is connected to the second excitation coil in the electric control permanent magnet, the first end that the second break back contact is connected to the first excitation coil in the described electric control permanent magnet;
The second silicon controlled negative electrode is connected to live wire, anodic bonding extremely negative electrode, the control utmost point incoming control signal of described the second diode;
The moving contact of the second relay is connected to the anode of described the second diode, the first end that the first break back contact is connected to described the first excitation coil, the first end that the second break back contact is connected to described the second excitation coil;
The second end of described the first excitation coil and the second end of described the second excitation coil are connected to respectively zero line.
2. novel electric permanent magnetic controller according to claim 1 is characterized in that, also comprises a RC resistance-capacitance absorption network that is parallel to described the first silicon control two ends and/or is parallel to the 2nd RC resistance-capacitance absorption network at described the second silicon control two ends;
A described RC resistance-capacitance absorption network comprises the first resistance and first electric capacity of series connection;
Described the 2nd RC resistance-capacitance absorption network comprises the second resistance and second electric capacity of series connection.
3. novel electric permanent magnetic controller according to claim 1 and 2, it is characterized in that, also comprise the 3rd relay, the second end of described the first excitation coil and the second end of described the second excitation coil are connected to described zero line by the secondary contact of described the 3rd relay respectively.
4. novel electric permanent magnetic controller according to claim 3, it is characterized in that, also comprise controller, the main coil of described the first silicon controlled control utmost point, described the second silicon controlled control utmost point, the main coil of described the first relay, described the second relay and the main coil of described the 3rd relay are connected to respectively an output port of described controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220165672 CN202754683U (en) | 2012-04-18 | 2012-04-18 | Novel electric permanent magnetic controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220165672 CN202754683U (en) | 2012-04-18 | 2012-04-18 | Novel electric permanent magnetic controller |
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| CN202754683U true CN202754683U (en) | 2013-02-27 |
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| CN 201220165672 Expired - Fee Related CN202754683U (en) | 2012-04-18 | 2012-04-18 | Novel electric permanent magnetic controller |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104600690A (en) * | 2013-10-31 | 2015-05-06 | 深圳市海洋王照明工程有限公司 | LED lamp and input polarity automatic converting circuit thereof |
| CN107091946A (en) * | 2016-06-29 | 2017-08-25 | 株洲悍威磁电科技有限公司 | A kind of electric permanent magnetic controller and electric permanent-magnet suction disc material adsorb detection method |
| WO2020113693A1 (en) * | 2018-12-04 | 2020-06-11 | 株洲悍威磁电科技有限公司 | Storage battery type electric permanent magnet and forward and reverse excitation methods therefor |
-
2012
- 2012-04-18 CN CN 201220165672 patent/CN202754683U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104600690A (en) * | 2013-10-31 | 2015-05-06 | 深圳市海洋王照明工程有限公司 | LED lamp and input polarity automatic converting circuit thereof |
| CN107091946A (en) * | 2016-06-29 | 2017-08-25 | 株洲悍威磁电科技有限公司 | A kind of electric permanent magnetic controller and electric permanent-magnet suction disc material adsorb detection method |
| CN107091946B (en) * | 2016-06-29 | 2019-09-27 | 株洲悍威磁电科技有限公司 | It is a kind of electricity permanent magnetic controller and electric permanent-magnet suction disc material adsorb detection method |
| WO2020113693A1 (en) * | 2018-12-04 | 2020-06-11 | 株洲悍威磁电科技有限公司 | Storage battery type electric permanent magnet and forward and reverse excitation methods therefor |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130227 Termination date: 20210418 |