CN205070966U - A electromagnet switch circuit for steel body processing equipment - Google Patents
A electromagnet switch circuit for steel body processing equipment Download PDFInfo
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- CN205070966U CN205070966U CN201520738369.2U CN201520738369U CN205070966U CN 205070966 U CN205070966 U CN 205070966U CN 201520738369 U CN201520738369 U CN 201520738369U CN 205070966 U CN205070966 U CN 205070966U
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- resistance
- triode
- electric capacity
- potentiometer
- diode
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Abstract
The utility model discloses an electromagnet switch circuit for steel body processing equipment, including first dipolar, second diode, relay, first resistance, second resistance, third resistance, fourth resistance, the 5th resistance, power switcher chip, first potentiometre, second potentiometre, first triode, second triode, first electric capacity, second electric capacity and electromagnet. The utility model discloses simple structure, low cost, convenient to use, through power switcher chip control relay contact points's disconnection and closure, the the magnification after two triodes are compound is very high, and a triode collector electric potential variation approaches step signal, makes power switcher chip switch on rapidly or to end, and the duty factor is more stable, low cost 0.
Description
Technical field
The utility model relates to a kind of switching circuit, particularly relates to a kind of magnechuck switching circuit for steel body process equipment.
Background technology
Equipment for the processing of steel body has a lot, as lathe, cutting machine etc., location is can be good in order to make steel body part, magnechuck is absolutely necessary parts, magnechuck should have enough electromagnetic attractions, the electromagnetic attraction of magnechuck is determined by the weight of adsorbed workpiece, after the geomery of magnechuck and coil are determined, then electromagnetic attraction is also just fixing, now can change voltage to finely tune suction size, switch control rule for magnechuck also has impact to its electromagnetic attraction, and now for magnechuck switching circuit structure all more complicated of steel body process equipment, use cost is higher, job stability is poor.
Utility model content
The purpose of this utility model is just the magnechuck switching circuit for steel body process equipment providing a kind of working stability in order to solve the problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
The utility model comprises the one or two pole, second diode, relay, first resistance, second resistance, 3rd resistance, 4th resistance, 5th resistance, power switch chip, first potentiometer, second potentiometer, first triode, second triode, first electric capacity, second electric capacity and magnechuck, the negative pole of described first diode simultaneously with the first end of described relay coil, the first end of described second resistance, the first end of described first potentiometer, the sliding end of described first potentiometer, the negative pole of described second diode, the positive pole of described first electric capacity is connected with the first end of described 4th resistance, the positive pole of described first diode is connected with the first end of described first resistance and the output of described power switch chip simultaneously, second end of described first resistance is connected with the second end of described relay coil, the power voltage terminal of described power switch chip is connected with the input of described power switch chip and the second end of described second resistance simultaneously, the earth terminal of described power switch chip is connected with the first end of described 3rd resistance and the emitter of described first triode simultaneously, with the collector electrode of described second triode while of the collector electrode of described first triode, second end of described first potentiometer is connected with the gating end of described power switch chip, the emitter of described second triode is connected with the base stage of described first triode, the base stage of described second triode is connected with the sliding end of described second potentiometer and the positive pole of described second electric capacity simultaneously, with the second end of described 3rd resistance while of the negative pole of described second electric capacity, the first end of described second potentiometer, the first end of described 5th resistance is connected with the zero line side of AC power, second end of described second potentiometer is connected with described second end of the 5th resistance and the first end of described magnechuck simultaneously, second end of described magnechuck is connected with the first end of described relay contact, second end of described relay contact is connected with the phase line end of described AC power and the second end of described 4th resistance simultaneously, and the positive pole of described second diode is connected with the negative pole of described first electric capacity and ground connection.
Particularly, described first electric capacity and described second electric capacity are polar capacitor, and described second diode is voltage stabilizing didoe, and described first triode and described second triode are NPN type.
The beneficial effects of the utility model are:
The utility model structure is simple, with low cost, easy to use, by the disconnection of power switch chip controls relay contact with closed, multiplication factor after two triode compounds is very high, and the first transistor collector potential change, close to step signal, makes conducting or the cut-off rapidly of power switch chip energy, Comparision is stablized, safe and reliable.
Accompanying drawing explanation
Fig. 1 is the utility model circuit structure schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1, the utility model comprises the one or two pole D1, second diode D2, relay K, first resistance R1, second resistance R2, 3rd resistance R3, 4th resistance R4, 5th resistance R5, power switch chip IC, first potentiometer RP1, second potentiometer RP2, first triode Q1, second triode Q2, first electric capacity C1, second electric capacity C2 and magnechuck CT, first electric capacity C1 and the second electric capacity C2 is polar capacitor, second diode D2 is voltage stabilizing didoe, and the first triode Q1 and the second triode Q2 is NPN type, the negative pole of the first diode D1 simultaneously with the first end of relay K coil, the first end of the second resistance R2, the first end of the first potentiometer RP1, the sliding end of the first potentiometer RP1, the negative pole of the second diode D2, the positive pole of the first electric capacity C1 is connected with the first end of the 4th resistance R4, the positive pole of the first diode D1 is connected with the first end of the first resistance R1 and the output of power switch chip IC simultaneously, second end of the first resistance R1 is connected with the second end of relay K coil, the power voltage terminal of power switch chip IC is connected with the input of power switch chip IC and second end of the second resistance R2 simultaneously, the earth terminal of power switch chip IC is connected with the first end of the 3rd resistance R3 and the emitter of the first triode Q1 simultaneously, with the collector electrode of the second triode Q2 while of the collector electrode of the first triode Q1, second end of the first potentiometer RP1 is connected with the gating end of power switch chip IC, the emitter of the second triode Q2 is connected with the base stage of the first triode Q1, the base stage of the second triode Q2 is connected with the sliding end of the second potentiometer RP2 and the positive pole of the second electric capacity C2 simultaneously, with second end of the 3rd resistance R3 while of the negative pole of the second electric capacity C2, the first end of the second potentiometer RP2, the first end of the 5th resistance R5 is connected with the zero line side of AC power, second end of the second potentiometer RP2 is connected with second end of the 5th resistance R5 and the first end of magnechuck CT simultaneously, second end of magnechuck CT is connected with the first end of relay K contact K-1, second end of relay K contact K-1 is connected with the phase line end of AC power and second end of the 4th resistance R4 simultaneously, and the positive pole of the second diode D2 is connected with the negative pole of the first electric capacity C1 and ground connection.
In the utility model, during magnechuck CT energising work, rated current is about 1.4A, now the 5th resistance R5 will there is the voltage drop of 1.4V, then be added in the input circuit of the second triode Q2 after the second potentiometer RP2 samples, carry out compound amplification by the second triode Q2 and the first triode Q1.Multiplication factor after second triode Q2 and the first triode Q1 compound is very high, and the first triode Q1 collector potential change, close to step signal, makes power switch chip IC can conducting or cut-off rapidly.Time normal from the signal voltage of sample circuit through amplify after, make the collector potential of the second triode Q2 and the first triode Q1 close to 0V, the crus secunda (gating end) of power switch chip IC is in electronegative potential, 4th pin (output) conducting, relay K obtains electric, its normally opened contact K-1 closes, magnechuck CT is worked, when magnechuck electric current is less than rated current 90% (this value adjustable), 4th pin (output) cut-off of power switch chip IC, relay K power-off, magnechuck CT quits work.
Claims (2)
1. for a magnechuck switching circuit for steel body process equipment, it is characterized in that: comprise the one or two pole, second diode, relay, first resistance, second resistance, 3rd resistance, 4th resistance, 5th resistance, power switch chip, first potentiometer, second potentiometer, first triode, second triode, first electric capacity, second electric capacity and magnechuck, the negative pole of described first diode simultaneously with the first end of described relay coil, the first end of described second resistance, the first end of described first potentiometer, the sliding end of described first potentiometer, the negative pole of described second diode, the positive pole of described first electric capacity is connected with the first end of described 4th resistance, the positive pole of described first diode is connected with the first end of described first resistance and the output of described power switch chip simultaneously, second end of described first resistance is connected with the second end of described relay coil, the power voltage terminal of described power switch chip is connected with the input of described power switch chip and the second end of described second resistance simultaneously, the earth terminal of described power switch chip is connected with the first end of described 3rd resistance and the emitter of described first triode simultaneously, with the collector electrode of described second triode while of the collector electrode of described first triode, second end of described first potentiometer is connected with the gating end of described power switch chip, the emitter of described second triode is connected with the base stage of described first triode, the base stage of described second triode is connected with the sliding end of described second potentiometer and the positive pole of described second electric capacity simultaneously, with the second end of described 3rd resistance while of the negative pole of described second electric capacity, the first end of described second potentiometer, the first end of described 5th resistance is connected with the zero line side of AC power, second end of described second potentiometer is connected with described second end of the 5th resistance and the first end of described magnechuck simultaneously, second end of described magnechuck is connected with the first end of described relay contact, second end of described relay contact is connected with the phase line end of described AC power and the second end of described 4th resistance simultaneously, and the positive pole of described second diode is connected with the negative pole of described first electric capacity and ground connection.
2. the magnechuck switching circuit for steel body process equipment according to claim 1, it is characterized in that: described first electric capacity and described second electric capacity are polar capacitor, described second diode is voltage stabilizing didoe, and described first triode and described second triode are NPN type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520738369.2U CN205070966U (en) | 2015-09-23 | 2015-09-23 | A electromagnet switch circuit for steel body processing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520738369.2U CN205070966U (en) | 2015-09-23 | 2015-09-23 | A electromagnet switch circuit for steel body processing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205070966U true CN205070966U (en) | 2016-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520738369.2U Expired - Fee Related CN205070966U (en) | 2015-09-23 | 2015-09-23 | A electromagnet switch circuit for steel body processing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205070966U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105099416A (en) * | 2015-09-23 | 2015-11-25 | 成都丝迈尔科技有限公司 | Electromagnetic chuck switching circuit for steel machining equipment |
-
2015
- 2015-09-23 CN CN201520738369.2U patent/CN205070966U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105099416A (en) * | 2015-09-23 | 2015-11-25 | 成都丝迈尔科技有限公司 | Electromagnetic chuck switching circuit for steel machining equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20160302 Termination date: 20160923 |