CN107979072A - The motor power that a kind of anti-overheat is burnt - Google Patents
The motor power that a kind of anti-overheat is burnt Download PDFInfo
- Publication number
- CN107979072A CN107979072A CN201711482598.2A CN201711482598A CN107979072A CN 107979072 A CN107979072 A CN 107979072A CN 201711482598 A CN201711482598 A CN 201711482598A CN 107979072 A CN107979072 A CN 107979072A
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- China
- Prior art keywords
- resistance
- capacitance
- control circuit
- triode
- logic gate
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
- H02H7/0811—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors for dc motors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
- H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
- H02H5/041—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature additionally responsive to excess current
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention discloses the motor power that a kind of anti-overheat is burnt, including voltage conversion circuit, SS (soft start) control circuit and current detection control circuit, it is characterized in that, the voltage conversion circuit connects SS (soft start) control circuit and current detection control circuit respectively, SS (soft start) control circuit is also connected with current detection control circuit, and current detection control circuit is also connected with direct current generator M.The motor power circuit that the anti-overheat of the present invention is burnt realizes the overcurrent protection function to direct current generator using logic gate controller combination relay; it can effectively prevent start high current overcurrent caused by direct current generator from influencing; so as to reduce the risk of motor internal coil overheat; also have the function of at the same time jamproof, therefore have the advantages that performance is stable, easy to use and protecting effect is good.
Description
Technical field
The present invention relates to a kind of motor circuit, is specifically the motor power that a kind of anti-overheat is burnt.
Background technology
For direct current generator since running speed is uniform, the advantages of mechanical strength is good, is widely used in various mechanical equipments and family
The power part of electrical appliance, common application have electric fan, ceiling fan, generator etc., currently on the market common use direct current
Electromechanical road is mostly complicated, function is single, and direct current generator is easy to cause its Inside coil to overheat because of overcurrent, from
And cause and burn, economic loss is caused, thus it is to be improved.
The content of the invention
It is an object of the invention to provide the motor power that a kind of anti-overheat is burnt, to solve to propose in above-mentioned background technology
The problem of.
To achieve the above object, the present invention provides following technical solution：
The motor power that a kind of anti-overheat is burnt, including voltage conversion circuit, SS (soft start) control circuit and current detecting control electricity
Road, it is characterised in that the voltage conversion circuit connects SS (soft start) control circuit and current detection control circuit, soft start respectively
Control circuit is also connected with current detection control circuit, and current detection control circuit is also connected with direct current generator M.
Preferred solution as the present invention：The voltage conversion circuit includes capacitance-resistance voltage reduction circuit, rectifier bridge T and voltage stabilizing core
Piece IC1, the capacitance-resistance voltage reduction circuit include the resistance R7 that is connected in parallel and capacitance C5, the resistance R7 one end capacitance C5 and
220V alternating currents, the other end of resistance R7 connect the end of the other end of capacitance C5, transient voltage suppressor diode DW and rectifier bridge T
Mouth 1, the port 3 of rectifier bridge T connect the other end of transient voltage suppressor diode DW and the other end of 220V alternating currents, rectifier bridge
The port 2 of T connects the pin 1 of capacitance C6 and voltage stabilizing chip IC1, and the pin 3 of voltage stabilizing chip IC1 connects output voltage VCC and steady
Press diode D2, the anode of the other end connection diode D2 of capacitance C6, the pin 2 of voltage stabilizing chip IC1, the port 4 of rectifier bridge T
And ground.
Preferred solution as the present invention：The SS (soft start) control circuit includes capacitance C1, resistance R1, potentiometer RP1, patrols
Door U1 and logic gate U2 is collected, current detection control circuit includes triode V2, relay K and resistance R5, and one end of capacitance C1 connects
Connecting resistance R2, capacitance C4, relay K, voltage VCC and relay K contact K-1 non-moving end 2, the other end connection of capacitance C1
The input terminal and resistance R1 of logic gate U1, the other end connection electricity of the other end connection potentiometer RP1, potentiometer RP1 of resistance R1
Hold the collector of C2, capacitance C3, resistance R6, the emitter of triode V1 and triode V2, the output terminal connection of logic gate U1 is patrolled
Collect an input terminal of door U3, the other end connection potentiometer RP2, the other end connecting triode V1 of potentiometer RP2 of resistance R2
Collector and logic gate U2 input terminal, the other end of base stage connection capacitance C2 of triode V1, the other end of resistance R6 and
The cathode of the output terminal connection potentiometer RP3 and diode D1 of motor M, logic gate U2, the anode connection capacitance C3 of diode D1
The other end and logic gate U3 another input terminal, the output terminal connection resistance R3 of logic gate U3, the other end of resistance R3 connects
The base stage of connecting resistance R5 and triode V2, the non-moving end 1 of the contact K-1 of the other end connection relay K of resistance R5, relay K
Contact K-1 moved end connection motor M the other end.
Preferred solution as the present invention：The triode V2 is PNP triode.
Preferred solution as the present invention：The logic gate U1-U3 is NAND gate.
Preferred solution as the present invention：The triode V1 is N-type triode, its model 2N2369, three pole
Pipe V2 is p-type triode, its model 2N3904.
Preferred solution as the present invention：The model LM7824 of the chip IC 1.
Compared with prior art, the beneficial effects of the invention are as follows：The anti-motor power circuit burnt that overheats of the present invention utilizes
Logic gate controller combination relay realizes the overcurrent protection function to direct current generator, can effectively prevent start high current pair
Caused by direct current generator overcurrent influence so that reduce motor internal coil overheat risk, while also have the function of it is jamproof,
Therefore have the advantages that performance is stable, easy to use and protecting effect is good.
Brief description of the drawings
Fig. 1 is the circuit diagram of the anti-motor power for overheating and burning.
Fig. 2 is the circuit diagram of voltage conversion circuit.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
Please refer to Fig.1-2, it is a kind of anti-to overheat the motor power burnt, including voltage conversion circuit, SS (soft start) control circuit
And current detection control circuit, it is characterised in that the voltage conversion circuit connects SS (soft start) control circuit and electric current inspection respectively
Control circuit is surveyed, SS (soft start) control circuit is also connected with current detection control circuit, and current detection control circuit is also connected with direct current
Machine M.Voltage conversion circuit includes capacitance-resistance voltage reduction circuit, rectifier bridge T and voltage stabilizing chip IC1, and the capacitance-resistance voltage reduction circuit is included simultaneously
Join the resistance R7 of connection and one end capacitance C5 and 220V alternating current of capacitance C5, the resistance R7, the other end connection of resistance R7
The port 1 of the other end of capacitance C5, transient voltage suppressor diode DW and rectifier bridge T, the port 3 of rectifier bridge T connect transient state electricity
Constrain the other end of diode DW processed and the other end of 220V alternating currents, the port 2 of rectifier bridge T connects capacitance C6 and voltage stabilizing chip
The pin 1 of IC1, the pin 3 of voltage stabilizing chip IC1 connect output voltage VCC and zener diode D2, the other end connection of capacitance C6
The anode of diode D2, the pin 2 of voltage stabilizing chip IC1, the port 4 and ground of rectifier bridge T.SS (soft start) control circuit includes capacitance
C1, resistance R1, potentiometer RP1, logic gate U1 and logic gate U2, current detection control circuit include triode V2, relay K and
One end of resistance R5, capacitance C1 connect the motionless of the contact K-1 of resistance R2, capacitance C4, relay K, voltage VCC and relay K
End 2, the input terminal and resistance R1 of the other end connection logic gate U1 of capacitance C1, the other end connection potentiometer RP1 of resistance R1, electricity
The other end of position device RP1 connects the collector of capacitance C2, capacitance C3, resistance R6, the emitter of triode V1 and triode V2, patrols
Collect an input terminal of the output terminal connection logic gate U3 of door U1, the other end connection potentiometer RP2, potentiometer RP2 of resistance R2
The collector of other end connecting triode V1 and the input terminal of logic gate U2, the base stage connection capacitance C2's of triode V1 is another
The cathode of the output terminal connection potentiometer RP3 and diode D1 at end, the other end of resistance R6 and motor M, logic gate U2, diode
The other end of anode connection capacitance C3 and another input terminal of logic gate U3 of D1, the output terminal connection resistance of logic gate U3
The base stage of the other end connection resistance R5 and triode V2 of R3, resistance R3, the contact K- of the other end connection relay K of resistance R5
1 non-moving end 1, the other end of the moved end connection motor M of the contact K-1 of relay K.
The present invention operation principle be：As shown in Fig. 2, 220V line voltages pass through the resistance being made of resistance R7 and capacitance C5
After holding reduction voltage circuit decompression, enter back into and rectification is carried out in rectifier bridge T, the transient voltage suppressor diode DW in circuit is used to eliminate
The peak voltage that city's electro-mechanical wave produces, capacitance C6 is filter capacitor, and the DC voltage exported from the port 2 of rectifier bridge T passes through three
Export stable 24V voltages after the voltage stabilizing chip IC1 and zener diode D2 of end, the capacitance C1, resistance R1, RP1, U1 in circuit with
U2 forms soft starting circuit, and when just starting, no-voltage on capacitance C1, U1 output low levels, U3 is high level, and V2 ends, relay
Device K is failure to actuate, and protector is failure to actuate.The terminal voltage of charged capacitance C1 gradually rises, when being raised to certain（Namely it is delayed
Shi Wen）U1 upset output high level, the current detection circuit that the output of U3 is then made of RP2, R2, V1, R6 etc. control, motor electricity
Stream is bigger, and the pressure drop of R6 is also bigger, and the current collection step voltage of V1 is lower, when current of electric exceedes the protective current of protector,
U2 exports high level, is delayed through RP3, C3, U3 is exported low level, K actions, its contact K-1 connects non-moving end 1, completes self-locking,
Motor M current supply circuits are cut off, protect motor.If in being asked in the delay that RP3, C3 are formed, electric current drops back to rated value, then on C3
Voltage discharge rapidly through D1, ensure protector sensitivity it is consistent.
Claims (7)
1. the motor power that a kind of anti-overheat is burnt, including voltage conversion circuit, SS (soft start) control circuit and current detecting control
Circuit, it is characterised in that the voltage conversion circuit connects SS (soft start) control circuit and current detection control circuit respectively, soft to open
Dynamic control circuit is also connected with current detection control circuit, and current detection control circuit is also connected with direct current generator M.
2. the motor power that a kind of anti-overheat according to claim 1 is burnt, it is characterised in that the voltage conversion circuit
Including capacitance-resistance voltage reduction circuit, rectifier bridge T and voltage stabilizing chip IC1, the capacitance-resistance voltage reduction circuit include the resistance R7 that is connected in parallel and
One end capacitance C5 and 220V alternating current of capacitance C5, the resistance R7, the other end of the other end connection capacitance C5 of resistance R7, wink
The port 1 of state voltage suppression diode DW and rectifier bridge T, the port 3 of rectifier bridge T connect the another of transient voltage suppressor diode DW
One end and the other end of 220V alternating currents, the port 2 of rectifier bridge T connect the pin 1 of capacitance C6 and voltage stabilizing chip IC1, voltage stabilizing core
The pin 3 of piece IC1 connects output voltage VCC and zener diode D2, the anode of the other end connection diode D2 of capacitance C6, steady
Press pin 2, the port 4 and ground of rectifier bridge T of chip IC 1.
3. the motor power that a kind of anti-overheat according to claim 1 is burnt, it is characterised in that the soft starting control electric
Road includes capacitance C1, resistance R1, potentiometer RP1, logic gate U1 and logic gate U2, and current detection control circuit includes triode
V2, relay K and resistance R5, one end of capacitance C1 connect touching for resistance R2, capacitance C4, relay K, voltage VCC and relay K
The non-moving end 2 of point K-1, the input terminal and resistance R1 of the other end connection logic gate U1 of capacitance C1, the other end connection of resistance R1
Other end connection capacitance C2, capacitance C3, resistance R6, the emitter and triode of triode V1 of potentiometer RP1, potentiometer RP1
The collector of V2, an input terminal of the output terminal connection logic gate U3 of logic gate U1, the other end connection potentiometer of resistance R2
The collector of other end connecting triode V1 and the input terminal of logic gate U2 of RP2, potentiometer RP2, the base stage of triode V1 connect
Meet the output terminal connection potentiometer RP3 and diode of the other end of capacitance C2, the other end of resistance R6 and motor M, logic gate U2
The cathode of D1, the other end of anode connection capacitance C3 and another input terminal of logic gate U3 of diode D1, logic gate U3's
Output terminal connects resistance R3, the base stage of the other end connection resistance R5 and triode V2 of resistance R3, the other end connection of resistance R5
The non-moving end 1 of the contact K-1 of relay K, the other end of the moved end connection motor M of the contact K-1 of relay K.
4. a kind of anti-the motor power that burns is overheated according to claim 3, it is characterised in that the triode V2 is
PNP triode.
5. the motor power that a kind of anti-overheat according to claim 3 is burnt, it is characterised in that the logic gate U1-U3
For NAND gate.
6. the motor power that a kind of anti-overheat according to claim 3 is burnt, it is characterised in that the triode V1 is N
Type triode, its model 2N2369, the triode V2 are p-type triodes, its model 2N3904.
7. the motor power that a kind of anti-overheat according to claim 2 is burnt, it is characterised in that the type of the chip IC 1
Number it is LM7824.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711482598.2A CN107979072A (en) | 2017-12-29 | 2017-12-29 | The motor power that a kind of anti-overheat is burnt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711482598.2A CN107979072A (en) | 2017-12-29 | 2017-12-29 | The motor power that a kind of anti-overheat is burnt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107979072A true CN107979072A (en) | 2018-05-01 |
Family
ID=62005325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711482598.2A Pending CN107979072A (en) | 2017-12-29 | 2017-12-29 | The motor power that a kind of anti-overheat is burnt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107979072A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108631267A (en) * | 2018-04-27 | 2018-10-09 | 武汉中智德远科技开发有限公司 | A kind of motor power with soft start and overcurrent protection function |
| CN108923385A (en) * | 2018-08-23 | 2018-11-30 | 明光市鸿晟机电设备制造有限公司 | A kind of motor driving protection circuit of steering controller |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204967647U (en) * | 2015-08-31 | 2016-01-13 | 沧州师范学院 | Educational broadcast power supply circuit |
| CN106972769A (en) * | 2017-05-16 | 2017-07-21 | 国网河南省电力公司平顶山供电公司 | A kind of light current electrical load overvoltage crowbar |
| CN107196533A (en) * | 2017-07-18 | 2017-09-22 | 深圳市星鼎源科技有限公司 | A kind of sweeping robot intelligent power supply circuit |
| CN207021908U (en) * | 2017-06-09 | 2018-02-16 | 成都大学 | A kind of power supply circuit for medical imaging equipment |
-
2017
- 2017-12-29 CN CN201711482598.2A patent/CN107979072A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204967647U (en) * | 2015-08-31 | 2016-01-13 | 沧州师范学院 | Educational broadcast power supply circuit |
| CN106972769A (en) * | 2017-05-16 | 2017-07-21 | 国网河南省电力公司平顶山供电公司 | A kind of light current electrical load overvoltage crowbar |
| CN207021908U (en) * | 2017-06-09 | 2018-02-16 | 成都大学 | A kind of power supply circuit for medical imaging equipment |
| CN107196533A (en) * | 2017-07-18 | 2017-09-22 | 深圳市星鼎源科技有限公司 | A kind of sweeping robot intelligent power supply circuit |
Non-Patent Citations (1)
| Title |
|---|
| "LQL0071": ""大功率直流电机过流保护电路图"", 《百度文库》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108631267A (en) * | 2018-04-27 | 2018-10-09 | 武汉中智德远科技开发有限公司 | A kind of motor power with soft start and overcurrent protection function |
| CN108631267B (en) * | 2018-04-27 | 2019-08-13 | 保定博为泓翔电气有限公司 | A kind of motor power with soft start and overcurrent protection function |
| CN108923385A (en) * | 2018-08-23 | 2018-11-30 | 明光市鸿晟机电设备制造有限公司 | A kind of motor driving protection circuit of steering controller |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180501 |
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| RJ01 | Rejection of invention patent application after publication |