CN203325047U - Electromagnet driving circuit - Google Patents
Electromagnet driving circuit Download PDFInfo
- Publication number
- CN203325047U CN203325047U CN201320026057XU CN201320026057U CN203325047U CN 203325047 U CN203325047 U CN 203325047U CN 201320026057X U CN201320026057X U CN 201320026057XU CN 201320026057 U CN201320026057 U CN 201320026057U CN 203325047 U CN203325047 U CN 203325047U
- Authority
- CN
- China
- Prior art keywords
- oxide
- semiconductor
- metal
- fly
- raceway groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The utility model discloses an electromagnet driving circuit, in particular a driving circuit applied to access control. The door opening and closing actions of an electromagnet can be realized only by one door opening control pin, one door closing control pin and four MOS (metal oxide semiconductor) transistors. A key point is that the circuit comprises four driving tubes, two control NPN triodes (Q5 and Q6), four fly-wheel diodes (D2, D3, D4 and D5), a step-down diode (D1) and four resistors (R1, R2, R3 and R4), wherein two of the driving tubes are N-channel MOS transistors (Q1 and Q4), and the other two are P-channel MOS transistors (Q2 and Q3). The circuit is simple in structure, and comprises a few peripheral components, and a few control pins are required; door opening voltage is higher than door closing voltage, so that the condition that a door is completely closed is effectively avoided. The reliable electromagnet driving circuit has the remarkable effects of easiness in control, a few peripheral components, safety and reliability.
Description
Technical field
The utility model has related to a kind of driving circuit of electromagnet, is specifically related to a kind of solenoid driver circuit of the gate inhibition's of realization switch motion.
Background technology
Development along with electronic technology, and people's improving constantly the fire-fighting safety requirements, mechanical lock can not satisfying the market demand, and electronic access due to safe, facilitate easy-to-use, and be widely used in the fields such as hotel, track traffic, airport, government bodies, community security protection, the gesture that replaces mechanical lock is arranged greatly.
The driving circuit of electromagnet is the core of whole gate control system operation, because the solenoid actuated current ratio is larger, and 2 kinds of actions of switch are arranged, therefore the driving circuit control pin that is applied at present electromagnet generally needs 4, and circuit cost is higher, design is complicated, toward contact, exist to close the door to be difficult to open the so-called phenomenon that shuts afterwards, so the design of solenoid driver circuit just seems especially important.
Summary of the invention
The utility model provides a kind of driving circuit of electromagnet, and this circuit is controlled simple, and peripheral components is few, safe and reliable.
The core of electronic access is gate inhibition's control, and access control depends on the design of driving circuit reliably, and innovation of the present utility model just is to control simple, with low cost, safe and reliable.
The utility model only needs 1 control pin (OPEN) that opens the door, 1 closes gate control pin (CLOSE), 4 metal-oxide-semiconductors just can be realized the action of opening the door and close the door of electromagnet, drive current can reach 5.0A, has and prevents that door from shutting the function of not opening, and the key of this circuit is: comprise 4 driving tubes, be respectively the metal-oxide-semiconductor 1(Q1 of N raceway groove), the metal-oxide-semiconductor 2(Q4 of N raceway groove), the metal-oxide-semiconductor 3(Q2 of P raceway groove), the metal-oxide-semiconductor 4(Q3 of P raceway groove); Control the NPN triode for 2, wherein 1 is NPN triode 1(Q5), other 1 is NPN triode 2(Q6); 4 fly-wheel diodes, be respectively fly-wheel diode 1(D2), fly-wheel diode 2(D3), fly-wheel diode 3(D4) and, fly-wheel diode 4(D5); 1 buck diode (D1); And 4 resistance, be respectively resistance 1(R1), resistance 2(R2), resistance 3(R3) and, resistance 4(R4).
P channel MOS tube 3(Q2 in the utility model) source electrode is connected with the 12V DC power anode, the drain electrode and N-channel MOS pipe 1(Q1) drain electrode be connected, grid and triode 1(Q5) collector be connected; Described P channel MOS tube 4(Q3) buck diode (D1) that passes through of source electrode is connected with the 12V DC power anode, the drain electrode and N-channel MOS pipe 2(Q4) drain electrode be connected, grid and triode 2(Q6) collector be connected; Described fly-wheel diode 3(D4) be connected in parallel on P channel MOS tube 3(Q2) source electrode and the drain electrode between; Described fly-wheel diode 4(D5) be connected in parallel on P channel MOS tube 4(Q3) source electrode and the drain electrode between; Described fly-wheel diode 1(D2) be connected in parallel on N-channel MOS pipe 1(Q1) source electrode and the drain electrode between; Described fly-wheel diode 2(D3) be connected in parallel on N-channel MOS pipe 2(Q4) source electrode and the drain electrode between.
The accompanying drawing explanation
Accompanying drawing 1 is the circuit structure diagram of the driving circuit of a kind of electromagnet of the utility model.
Embodiment
The utility model is controlled pin by 2 and is realized opening the door of electromagnet and the action of closing the door, but the ability of drive magnetic can reach 5.0A.The key of this circuit is: comprise 4 driving tubes, be respectively the metal-oxide-semiconductor 1(Q1 of N raceway groove), the metal-oxide-semiconductor 2(Q4 of N raceway groove), the metal-oxide-semiconductor 3(Q2 of P raceway groove) and, the metal-oxide-semiconductor 4(Q3 of P raceway groove); Control the NPN triode for 2, wherein 1 is NPN triode 1(Q5), other 1 is NPN triode 2(Q6); 4 fly-wheel diodes, be respectively fly-wheel diode 1(D2), fly-wheel diode 2(D3), fly-wheel diode 3(D4) and, fly-wheel diode 4(D5); 1 buck diode (D1); And 4 resistance, be respectively resistance 1(R1), resistance 2(R2), resistance 3(R3) and, resistance 4(R4) form.
P channel MOS tube 3(Q2) source electrode is connected with the 12V DC power anode, the drain electrode and N-channel MOS pipe 1(Q1) drain electrode be connected, grid and triode 1(Q5) collector be connected; Described P channel MOS tube 4(Q3) buck diode (D1) that passes through of source electrode is connected with the 12V DC power anode, the drain electrode and N-channel MOS pipe 2(Q4) drain electrode be connected, grid and triode 2(Q6) collector be connected; Described fly-wheel diode 3(D4) be connected in parallel on P channel MOS tube 3(Q2) source electrode and the drain electrode between; Described fly-wheel diode 4(D5) be connected in parallel on P channel MOS tube 4(Q3) source electrode and the drain electrode between; Described fly-wheel diode 1(D2) be connected in parallel on N-channel MOS pipe 1(Q1) source electrode and the drain electrode between; Described fly-wheel diode 2(D3) be connected in parallel on N-channel MOS pipe 2(Q4) source electrode and the drain electrode between; Described P channel MOS tube 4(Q3) source electrode is not directly with the 12V DC power anode, to be connected, but connected by buck diode (D1), and the voltage opened the door like this, higher than the voltage of closing the door, effectively prevents that the situation that door shuts from occurring.
Claims (2)
1. the driving circuit of an electromagnet, is characterized in that: comprise 4 driving tubes, be respectively N-channel MOS pipe 1(Q1), N-channel MOS pipe 2(Q4), the metal-oxide-semiconductor 3(Q2 of P raceway groove) and, the metal-oxide-semiconductor 4(Q3 of P raceway groove); Control the NPN triode for 2, wherein 1 is NPN triode 1(Q5), other 1 is NPN triode 2(Q6); 4 fly-wheel diodes, be respectively fly-wheel diode 1(D2), fly-wheel diode 2(D3), fly-wheel diode 3(D4) and, fly-wheel diode 4(D5); 1 buck diode (D1); And 4 resistance, be respectively resistance 1(R1), resistance 2(R2), resistance 3(R3), resistance 4(R4), wherein: the source electrode metal-oxide-semiconductor 3(Q2 of described P raceway groove) is connected with the 12V DC power anode, drain electrode and the metal-oxide-semiconductor 1(Q1 of N raceway groove) drain electrode be connected, grid and triode 1(Q5) collector be connected; The metal-oxide-semiconductor 4(Q3 of described P raceway groove) buck diode (D1) that passes through of source electrode is connected with the 12V DC power anode, drain electrode and the metal-oxide-semiconductor 2(Q4 of N raceway groove) drain electrode be connected, grid and triode 2(Q6) collector be connected; Described fly-wheel diode 3(D4) be connected in parallel on the metal-oxide-semiconductor 3(Q2 of P raceway groove) source electrode and the drain electrode between; Described fly-wheel diode 4(D5) be connected in parallel on the metal-oxide-semiconductor 4(Q3 of P raceway groove) source electrode and the drain electrode between; Described fly-wheel diode 1(D2) be connected in parallel on the metal-oxide-semiconductor 1(Q1 of N raceway groove) source electrode and the drain electrode between; Described fly-wheel diode 2(D3) be connected in parallel on the metal-oxide-semiconductor 2(Q4 of N raceway groove) source electrode and the drain electrode between.
2. the driving circuit of a kind of electromagnet according to claim 1, be further characterized in that: described electromagnet (M1) positive pole is the metal-oxide-semiconductor 1(Q1 that is connected on the N raceway groove) drain electrode, negative pole is the metal-oxide-semiconductor 2(Q4 that is connected on the N raceway groove) drain electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320026057XU CN203325047U (en) | 2013-01-18 | 2013-01-18 | Electromagnet driving circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320026057XU CN203325047U (en) | 2013-01-18 | 2013-01-18 | Electromagnet driving circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203325047U true CN203325047U (en) | 2013-12-04 |
Family
ID=49664374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320026057XU Expired - Fee Related CN203325047U (en) | 2013-01-18 | 2013-01-18 | Electromagnet driving circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203325047U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107424257A (en) * | 2017-06-15 | 2017-12-01 | 东莞市腾达五金制品有限公司 | A kind of intelligent lock |
-
2013
- 2013-01-18 CN CN201320026057XU patent/CN203325047U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107424257A (en) * | 2017-06-15 | 2017-12-01 | 东莞市腾达五金制品有限公司 | A kind of intelligent lock |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103000626B (en) | The high tension apparatus of composite structure and start-up circuit | |
| CN104022776B (en) | Bootstrapping diode artificial circuit in half-bridge driving circuit | |
| JP2012257215A5 (en) | ||
| CN105187047B (en) | A kind of extra-high voltage level displacement circuit for IGBT driving chips | |
| CN101860188B (en) | Switch power supply circuit | |
| CN103715870B (en) | Voltage adjuster and resonant gate driver thereof | |
| CN203325047U (en) | Electromagnet driving circuit | |
| CN102064818A (en) | Complementary metal oxide semiconductor (CMOS) input/output interface circuit | |
| CN102082562B (en) | Duty cycle regulating circuit and duty cycle regulating method | |
| CN201681764U (en) | Unicoil magnetic latching relay driving circuit | |
| CN203640431U (en) | Adjustable electronic lock | |
| CN203251265U (en) | Motor switching circuit and motor driving device | |
| CN104052337B (en) | Motor driving circuit | |
| CN205153818U (en) | Seal protection door electrical control device | |
| CN105141113A (en) | Driver circuit for IGBT driver chip | |
| CN204013291U (en) | The band-type brake drive circuit of motor driver | |
| CN103795396A (en) | Circuit structure for eliminating short circuit currents | |
| CN204794948U (en) | Source low -power consumption auto -lock electronic switch that trigger more | |
| CN203632635U (en) | Magnetic limit switch | |
| CN203800836U (en) | CS short circuit protection circuit for switch power supply | |
| CN102679028A (en) | Miniature magnetic control motor-driven anti-theft valve | |
| CN207884525U (en) | A kind of motor positive inversion control circuit | |
| CN206461593U (en) | Quasi-position shifting device | |
| CN105024679B (en) | A kind of more trigger source low-power consumption self-locking electronic switch | |
| CN205692833U (en) | Semiconductor switch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Electromagnet driving circuit Effective date of registration: 20140522 Granted publication date: 20131204 Pledgee: Wuhan rural commercial bank Limited by Share Ltd Optics Valley branch Pledgor: Wuhan Maiwe Optoelectronics Technology Co., Ltd. Registration number: 2014990000395 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20150525 Granted publication date: 20131204 Pledgee: Wuhan rural commercial bank Limited by Share Ltd Optics Valley branch Pledgor: Wuhan Maiwe Optoelectronics Technology Co., Ltd. Registration number: 2014990000395 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Electromagnet driving circuit Effective date of registration: 20150605 Granted publication date: 20131204 Pledgee: Wuhan rural commercial bank Limited by Share Ltd Optics Valley branch Pledgor: Wuhan Maiwe Optoelectronics Technology Co., Ltd. Registration number: 2015990000446 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131204 Termination date: 20160118 |
|
| EXPY | Termination of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20170607 Granted publication date: 20131204 Pledgee: Wuhan rural commercial bank Limited by Share Ltd Optics Valley branch Pledgor: Wuhan Maiwe Optoelectronics Technology Co., Ltd. Registration number: 2015990000446 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |