CN103576582A - Intelligent molded case controller - Google Patents
Intelligent molded case controller Download PDFInfo
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- CN103576582A CN103576582A CN201210257953.7A CN201210257953A CN103576582A CN 103576582 A CN103576582 A CN 103576582A CN 201210257953 A CN201210257953 A CN 201210257953A CN 103576582 A CN103576582 A CN 103576582A
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- circuit
- power supply
- power
- microprocessor
- plastic housing
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Abstract
The invention discloses an intelligent molded case controller. The intelligent molded case controller comprises a 12V power supply and current leakage protection circuit, a +5V power circuit, a CT detection circuit, a signal acquisition and processing circuit, a trip circuit and a microprocessor. According to the intelligent molded case controller, a large number of anti-interference components are additionally arranged in the power circuit, the trip circuit and the signal acquisition and processing circuit through the prior art, reliability of the intelligent molded case controller is improved, and the signal processing range is increased.
Description
Technical field
The present invention relates to a kind of on-off controller, relate in particular to a kind of intelligent plastic housing controller.
Background technology
Plastic housing controller in the past, stable not, there will be misoperation, and the scope of processing signals is broad not.
Summary of the invention
The defect that the present invention seeks to exist for prior art provides a kind of control and protection controller.
The present invention for achieving the above object, adopts following technical scheme:
A kind of intelligent plastic housing controller of the present invention, comprise 12V power supply and earial drainage holding circuit ,+5V power circuit, CT testing circuit, signals collecting and signal processing circuit, trip circuit and microprocessor, described controller is by external power source module for power supply, the output termination 12V power supply of power module and the input end of earial drainage holding circuit, 12V power supply and earial drainage holding circuit drive trip circuit process+5V power circuit generation+5V power supply, and+5V power supply provides operating voltage for microprocessor, signals collecting and signal processing circuit; The induction current that CT testing circuit produces is for providing electric current and the signal of sampling being provided to signals collecting and signal processing circuit to 12V power supply and earial drainage holding circuit; The input end of the output termination microprocessor of signals collecting and signal processing circuit.
Preferably, on described microprocessor, asynchronous reception/dispensing device is also set.
Preferably, on described microprocessor, code switch control circuit is also set.
Preferably, on described microprocessor, LED display circuit is also set.
Preferably, described DC power supply circuit adopts the pipe of 2SD1615-GK.
The present invention is by existing technology at power circuit, and trip circuit, adds a large amount of jamproof components and parts in signal sampling and treatment circuit, improved the reliability of product, has improved the scope of processing signals.
Accompanying drawing explanation
Fig. 1: inventive principle figure.
Fig. 2 :+12V and earial drainage holding circuit figure.
Fig. 3 :+5V circuit diagram.
Fig. 4: trip circuit figure.
Fig. 5: signal sampling and treatment circuit figure.
Embodiment
As shown in Figure 1; a kind of intelligent plastic housing controller of the present invention, comprises power module, 12V power supply and earial drainage holding circuit ,+5V power circuit, CT(current transformer) testing circuit, signals collecting and signal processing circuit, trip circuit, microprocessor, control circuit, LED display circuit.Wherein power module is for directly to controller, power supply is used its work; The induction current that CT detect to produce is for generation of+12V burning voltage and the signal of sampling is provided; + 12V can be used for driving trip circuit and be used for producing stable+5V electricity; + 5V is MCU, signal processing chip, and UART communication provides operating voltage.
Preferably, on described microprocessor, asynchronous reception/dispensing device is also set.
Preferably, on described microprocessor, code switch control circuit is also set.
Preferably, on described microprocessor, LED display circuit is also set.
Preferably, described DC power supply circuit adopts the pipe of 2SD1615-GK.
This controller adopts current mode power supply, by current transformer power supply; The power of complete machine when normal function is worked: <7W; MCU, amplifier, etc. the voltage of work be+5V, drive, simulation is threaded off, employings+12V voltage (during the normal dropout of this power supply assurance electrical apparatus release, not affecting the normal operation of MCU to the sampling of simulating signal and MCU and other device)
Current transformer is output as AC power will carry out rectifying and wave-filtering to it;
Fig. 2 is+12V power supply and earial drainage holding circuit circuit, provides stable+12V voltage, for controller; By bridge rectifier, voltage stabilizing is processed power supply; By R17, realize the conducting of Q2 (triode) and stablize 12V voltage and the excessive breakdown voltage stabilizing function that loses of inverse current that prevents D11 with cut-off; R7, R8 plays current limliting, is used for limiting under Q15 state of saturation, flowing through its electric current.When electric current is very large in circuit, by MCU, drive Q3(field effect transistor) make its conducting, R
ds (no)for m Ω level, a large amount of electric currents in venting circuit, play holding circuit, what drive Q3 is a square-wave pulse, changes the speed (conducting of Q3 and the response time of cut-off are ns level) of earial drainage by controlling square wave frequency.
Fig. 3 is+5V circuit, due to the existence of triode Q14, makes the input resistance of this circuit very large, and very little of output resistance, so this circuit stability is fine, load-carrying ability is strong; C11 plays power filter; R6, R9 effect is the output current of controlling by stabilivolt D9 and this circuit.C12 is coupling capacitance, and C4 is in order to eliminate the interference of C12, make stable output+5V voltage.
Fig. 4 is trip circuit, and the operating voltage of this point is+12V.Triode Q13 makes electrical apparatus release Inside coil form loop in this circuit in the situation that of conducting, and generation current drives electrical apparatus release action; In the time of Q13 closure, electrical apparatus release is failure to actuate.TRIP is one+5V signal, R4, and C3 plays jamproof effect, avoids the misoperation of electrical apparatus release, and R5 is the biasing resistor of Q13.TEST is trial jump signal, and whether the hardware that is used for detecting de-mouthful circuit has problem.Commutation diode D7 plays protection Q13.C1, when Q13 conducting, sparks, and the working current of electrical apparatus release is provided; C2 is in order to eliminate the interference of large capacitor C 1.
Fig. 5 (a) and (b) be signal sampling and treatment circuit, R10, R11, R12, R13, R29 is sampling resistor, reconciles the size of its resistance, can change the scope of sampled signal; This is active signal filtering circuit, improves the reliability of sampled signal, avoids back-end circuit to exert an influence to signal.
Chip circuit, code switch control circuit, LED display circuit is typical digital circuit.
Claims (5)
1. an intelligent plastic housing controller, it is characterized in that comprising 12V power supply and earial drainage holding circuit ,+5V power circuit, CT testing circuit, signals collecting and signal processing circuit, trip circuit and microprocessor, described controller is by external power source module for power supply, the output termination 12V power supply of power module and the input end of earial drainage holding circuit, 12V power supply and earial drainage holding circuit drive trip circuit process+5V power circuit generation+5V power supply, and+5V power supply provides operating voltage for microprocessor, signals collecting and signal processing circuit; The induction current that CT testing circuit produces is for providing electric current and the signal of sampling being provided to signals collecting and signal processing circuit to 12V power supply and earial drainage holding circuit; The input end of the output termination microprocessor of signals collecting and signal processing circuit.
2. a kind of intelligent plastic housing controller according to claim 1, is characterized in that also arranging on described microprocessor asynchronous reception/dispensing device.
3. a kind of intelligent plastic housing controller according to claim 1, is characterized in that also arranging on described microprocessor code switch control circuit.
4. a kind of intelligent plastic housing controller according to claim 1, is characterized in that also arranging on described microprocessor LED display circuit.
5. a kind of intelligent plastic housing controller according to claim 4, is characterized in that described power circuit adopts the pipe of 2SD1615-GK.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210257953.7A CN103576582B (en) | 2012-07-24 | 2012-07-24 | A kind of intelligent plastic housing controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210257953.7A CN103576582B (en) | 2012-07-24 | 2012-07-24 | A kind of intelligent plastic housing controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103576582A true CN103576582A (en) | 2014-02-12 |
| CN103576582B CN103576582B (en) | 2016-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210257953.7A Active CN103576582B (en) | 2012-07-24 | 2012-07-24 | A kind of intelligent plastic housing controller |
Country Status (1)
| Country | Link |
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| CN (1) | CN103576582B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007114566A1 (en) * | 2006-03-30 | 2007-10-11 | Shinsung Industrial Electric Co., Ltd | High speed automatic circuit breaker for protection |
| US20090195337A1 (en) * | 2008-01-31 | 2009-08-06 | Carlino Harry J | Manually selectable instantaneous current settings for a trip unit and electrical switching apparatus including the same |
| CN201514560U (en) * | 2009-07-24 | 2010-06-23 | 德力西电气有限公司 | Circuit of intelligent plastic case relay controller |
| CN201796833U (en) * | 2010-09-14 | 2011-04-13 | 河北宝凯电器有限公司 | Split-type intelligent miniature circuit breaker |
| CN102427003A (en) * | 2011-09-19 | 2012-04-25 | 广东天富电气集团有限公司 | Intelligent tripping device working method |
-
2012
- 2012-07-24 CN CN201210257953.7A patent/CN103576582B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007114566A1 (en) * | 2006-03-30 | 2007-10-11 | Shinsung Industrial Electric Co., Ltd | High speed automatic circuit breaker for protection |
| US20090195337A1 (en) * | 2008-01-31 | 2009-08-06 | Carlino Harry J | Manually selectable instantaneous current settings for a trip unit and electrical switching apparatus including the same |
| CN201514560U (en) * | 2009-07-24 | 2010-06-23 | 德力西电气有限公司 | Circuit of intelligent plastic case relay controller |
| CN201796833U (en) * | 2010-09-14 | 2011-04-13 | 河北宝凯电器有限公司 | Split-type intelligent miniature circuit breaker |
| CN102427003A (en) * | 2011-09-19 | 2012-04-25 | 广东天富电气集团有限公司 | Intelligent tripping device working method |
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| Publication number | Publication date |
|---|---|
| CN103576582B (en) | 2016-09-21 |
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Denomination of invention: An Intelligent Plastic Shell Controller Effective date of registration: 20230530 Granted publication date: 20160921 Pledgee: Yancheng Tinghu District Financing Guarantee Co.,Ltd. Pledgor: JIANGSU FEAL ELECTRICAL APPLIANCES Co.,Ltd. Registration number: Y2023980042059 |