CN204886140U - Dead control circuit of anti -sticking - Google Patents
Dead control circuit of anti -sticking Download PDFInfo
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- CN204886140U CN204886140U CN201520555735.0U CN201520555735U CN204886140U CN 204886140 U CN204886140 U CN 204886140U CN 201520555735 U CN201520555735 U CN 201520555735U CN 204886140 U CN204886140 U CN 204886140U
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Abstract
The utility model is suitable for a machinery automation provides a dead control circuit of anti -sticking, include: motor operation detecting element, processing unit, switching on and shutting down the control unit and the the control unit that is just reversing. The utility model discloses motor speed perception device generates the motor rotation number signal of telecommunication according to the rotation that can reverse the motor and the action change that pauses to make the control scheme board export overloaded signal in dead very first time at the motor card, the control motor reversal is got rid of card and is died, and recovers the automatic overload protection of motor corotation work realization to reversing the motor after the reversal.
Description
Technical field
The utility model belongs to field of machinery automation, particularly relates to a kind of anti-jamming control circuit.
Background technology
Existing kitchen waste processing equipment generally comprises breaker, conveying device, drying unit, gathering-device.Breaker utilizes cutter that rubbish from cooking is carried out break process, obtain moisture particle, particle is sent into drying unit through conveying device and is carried out drying and processing, conveying device has the function of dehydration simultaneously, particle is carried out preliminary hydro-extraction, and then particle enters drying unit and carries out processed again, and the rubbish from cooking after dehydration enters gathering-device, carry out collecting and baling, to carry out next step input process to rubbish from cooking.When breaker carries out break process to rubbish from cooking, due to the difference of rubbish from cooking hardness, particle granular size after process also can be different, when rubbish from cooking is the larger material of hardness, such as during bone, the particle of the particle after break process is larger, and this bulky grain particle is when conveying device transmits, conveyer may be caused to occur stuck situation, cause motor or machinery to cause damage because load is excessive further.
Anti-sticking protected mode major way known at present rotates and reverse the period for setting motor; prevent lasting stuck; anti-jamming overload protection facility; preset because it rotates and reverse the period; so; no matter whether stuck situation all can replace in rotating again and again, when this overload protection mode is as occurred stuck situation in the rotating forward period set and fail to fix a breakdown in time, there is the hidden danger of burn-down of electric motor.
Utility model content
The object of the utility model embodiment is to provide a kind of anti-jamming control circuit, is intended to solve the problem that existing kitchen waste disposer exists burn-down of electric motor hidden danger.
The utility model embodiment is achieved in that a kind of anti-jamming control circuit, is electrically connected with motor, and described circuit comprises:
The motor that the motor speed signal of telecommunication exported according to motor speed sensing device generates electric machines test signal runs detecting unit, and multiple test sides that described motor runs detecting unit to be held and defeated entry/exit end is connected with powering on of described motor speed sensing device respectively;
Judge whether motor transships according to described electric machines test signal, and halt instruction, reversion control command, enabled instruction is generated when motor overload, after overload is removed, generate halt instruction, rotate forward the processing unit of control command, enabled instruction, 3rd control end and the described motor of described processing unit run powering on to hold and being connected of detecting unit, and the output that test side and the described motor of described processing unit run detecting unit is connected;
The switching on and shutting down control unit of electric motor starting or stopping is controlled according to described enabled instruction or described halt instruction, the control end of described switching on and shutting down control unit is connected with the first control end of described processing unit, and the input of described switching on and shutting down control unit is connected with positive source;
Motor rotating forward or the rotating control unit according to the reversion when starting of described reversion control command control motor when starting is controlled according to described rotating forward control command, the control end of described rotating control unit is connected with the second control end of described processing unit, the input of described rotating control unit is connected with the output of described switching on and shutting down control unit, first output of described rotating control unit is connected with the rotating forward drive end of described motor, second output of described rotating control unit is connected with the reversion drive end of described motor, the earth terminal of described motor is connected with power cathode.
Further, described motor speed sensing device comprise power on after send light signal, and gather the light source transceiver of reflection source signal, run detecting unit to make described motor and generate shielding signals according to described reflection source signal, thus make described processing unit judge whether motor transships according to described shielding signals;
Upper electrical input and the output that powers on of described light source transceiver run detecting unit respectively first, second test side with described motor is connected, and conducting output and the conducting input of described light source transceiver run detecting unit respectively second, third test side with described motor is connected.
Further, described processing unit comprises:
Judge whether shading time or non-shading time are greater than the first preset value, if so, then generate the overload determination module of overload signal by described shielding signals, the input of described overload determination module is the test side of described processing unit;
Halt instruction, reversion control command and the motor drive module of enabled instruction is generated successively according to described overload signal, the first input end of described motor drive module is connected with the output of described overload determination module, first output of described motor drive module is the first control end of described processing unit, second output of described motor drive module is the second control end of described processing unit, and the 3rd output of described motor drive module is the 3rd control end of described processing unit;
Judge whether the duration of described reversion control command is greater than the second preset value, if, then generate overload ring off signal, module is removed according to the overload that described overload ring off signal generates halt instruction successively, rotate forward control command and enabled instruction to make described motor drive module, described overload is removed the input of module and is connected with the second output of described motor drive module, and described overload is removed the output of module and is connected with the second input of described motor drive module.
Further, described motor operation detecting unit comprises:
Resistance R5, resistance R7, resistance R8, resistance R11, electric capacity C12 and the 3rd switching tube;
One end of described resistance R5 is the end that powers on that described motor runs detecting unit, the other end of described resistance R5 is connected with one end of described resistance R11 and the control end of described 3rd switching tube simultaneously, the output of described 3rd switching tube and the other end of described resistance R11 ground connection simultaneously, the input of described 3rd switching tube is the second test side that described motor runs detecting unit, one end of described resistance R7 is the first test side that described motor runs detecting unit, the other end of described resistance R7 connects the first supply voltage, the other end of described resistance R7 is also by described electric capacity C12 ground connection, one end of described resistance R8 is the 3rd test side and the output that described motor runs detecting unit simultaneously, the other end of described resistance R8 connects the first supply voltage.
Further, described switching on and shutting down control unit comprises:
Resistance R2, resistance R3, resistance R9, diode D2, the first switching tube, the first isolating switch and the first electromagnetic switch;
One end of described resistance R3 is the control end of described switching on and shutting down control unit, the other end of described resistance R3 is connected with the master control output of described first isolating switch, the main controling input end of described first isolating switch connects the first supply voltage, the controlled input of described first isolating switch connects second source voltage, the controlled output of described first isolating switch is connected with one end of described resistance R2, the other end of described resistance R2 is connected with one end of described resistance R9 and the control end of described first switching tube simultaneously, the output of described first switching tube and the other end of described resistance R9 ground connection simultaneously, the input of described first switching tube is connected with the anode of described diode D2 and the coil output of described electromagnetic switch simultaneously, the negative electrode of described diode D2 is connected with second source voltage with the coil input end of described first electromagnetic switch simultaneously, one switch conduction end of described first electromagnetic switch is the input of described switching on and shutting down control unit, another switch conduction end of described first electromagnetic switch is the output of described switching on and shutting down control unit.
Further, described rotating control unit comprises:
Resistance R4, resistance R6, resistance R10, diode D3, second switch pipe, the second isolating switch and the second electromagnetic switch;
One end of described resistance R6 is the control end of described rotating control unit, the other end of described resistance R6 is connected with the master control output of described second isolating switch, the main controling input end of described second isolating switch is connected with the first supply voltage, the controlled input of described second isolating switch is connected with second source voltage, the controlled output of described second isolating switch is connected with one end of described resistance R4, the other end of described resistance R4 is connected with one end of described resistance R10 and the control end of described second switch pipe simultaneously, the output of described second switch pipe and the other end of described resistance R10 ground connection simultaneously, the input of described second switch pipe is connected with the anode of described diode D3 and the coil output of described second electromagnetic switch simultaneously, the negative electrode of described diode D3 is connected with second source voltage with the coil input end of described second electromagnetic switch simultaneously, the switch common port of described second electromagnetic switch is the input of described rotating control unit, first switch conduction end of described second electromagnetic switch is the first output of described rotating control unit, the second switch conduction terminal of described second electromagnetic switch is the second output of described rotating control unit.
The motor speed sensing device of the utility model embodiment generates the motor speed signal of telecommunication according to the rotation of reversible motor and pause action change; judge that whether motor is stuck to make control circuit board according to the motor speed signal of telecommunication; and within the very first time that the stuck situation of motor occurs output overloading signal; controlling motor reversal gets rid of stuck; and within several seconds, recover motor rotating forward work afterwards in reversion; realize the automatic overload protection to reversible motor, effectively eliminate the hidden danger of burn-down of electric motor.
Accompanying drawing explanation
The structure chart of the kitchen waste disposer that Fig. 1 provides for the utility model embodiment;
The structure chart of anti-dazzling screen in the kitchen waste disposer that Fig. 2 provides for the utility model embodiment one;
The structure chart of anti-dazzling screen in the kitchen waste disposer that Fig. 3 provides for the utility model embodiment two;
The structure chart of the anti-jamming control circuit that Fig. 4 provides for the utility model embodiment;
The exemplary circuit structure chart of the anti-jamming control circuit that Fig. 5 provides for the utility model embodiment.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.In addition, if below in described each execution mode of the utility model involved technical characteristic do not form conflict each other and just can mutually combine.
The motor speed sensing device of the utility model embodiment generates the motor speed signal of telecommunication according to the rotation of reversible motor and pause action change; judge that whether motor is stuck to make control circuit board according to the motor speed signal of telecommunication; and within the very first time that the stuck situation of motor occurs output overloading signal; controlling motor reversal gets rid of stuck; and within several seconds, recover motor rotating forward afterwards in reversion; realize the automatic overload protection to reversible motor, effectively eliminate the hidden danger of burn-down of electric motor.
Below in conjunction with specific embodiment, realization of the present utility model is described in detail:
Fig. 1 shows the structure of the kitchen waste disposer that the utility model embodiment provides, and for convenience of explanation, illustrate only the part relevant to the utility model.
As the utility model one embodiment, this kitchen waste disposer comprises:
Reversible motor 11, the screw rod transfer unit 15 be connected with the output shaft 11 of reversible motor, motor speed sensing device motor speed being converted to the signal of telecommunication, and
Only control motor forward, reverse or stop in time according to motor speed, avoid the control circuit board 16 of motor overload, this control circuit board 16 is electrically connected by electric wire 14 with motor speed sensing device.
The motor speed sensing device of the utility model embodiment generates the motor speed signal of telecommunication according to the rotation of reversible motor and pause action change; judge that whether motor is stuck to make control circuit board according to the motor speed signal of telecommunication; and within the very first time that the stuck situation of motor occurs output overloading signal; controlling motor reversal gets rid of stuck; and within several seconds, recover the automatic overload protection of motor rotating forward work realization to reversible motor afterwards in reversion, effectively eliminate the hidden danger of burn-down of electric motor.
Preferably, this motor speed sensing device comprises anti-dazzling screen 12 and sends light signal after powering on, and gathers the light source transceiver 13 of reflection source signal;
The coaxial connection of rotating of output shaft 11 of this anti-dazzling screen 12 and reversible motor, and anti-dazzling screen 12 has multiple hole 12a or recess 12b, composition graphs 2 and Fig. 3, make anti-dazzling screen 12 be blocked when rotating at intervals by hole 12a or recess 12b place or be exposed light source transceiver 13, hole 12a or recess 12b circumferentially shape evenly arranges.
Anti-dazzling screen 12 both can adopt the shading gear piece with even dentalation, also circular anti-dazzling screen can be adopted, so this anti-dazzling screen 12 should have the identical hole 12a of multiple size, see Fig. 2, hole 12a is concentric arrays with it on anti-dazzling screen 12, and the spacing of adjacent holes 12a is equal.Usual light source transceiver 13, when anti-dazzling screen 12 pauses (light source is unobstructed or block) certain hour, namely judges motor overload.
Certainly, the transducer of the energy perception electric machine rotation that this motor speed sensing device can also adopt those skilled in the art to commonly use, as angular transducer, this angular transducer is connected with the output shaft 11 of reversible motor, the rotating speed of motor in real time, and the motor speed signal of telecommunication is exported to control circuit board carry out control treatment.
As the utility model one embodiment, light source transceiver 13 and control circuit board 16 are fixed in kitchen waste disposer, namely any position in the housing of kitchen waste disposer can be fixed on by support, also can be fixed on parts static in kitchen waste disposer or other supports, as long as ensure that light source transceiver 13 can make anti-dazzling screen 12 be blocked when rotating at intervals by hole 12a or recess 12b place or be exposed.Light source transceiver 13 also can be fixedly connected with control circuit board 16.
In the utility model embodiment, screw rod transfer unit 15 is mainly used in the conveying of crushing rear material in kitchen waste processing equipment, the setting of the first Preset Time can be adjusted in addition by the normal running speed of the quantity of hole 12a and motor, hole is more, motor speed is faster, and the first Preset Time should be shorter.
As the utility model one embodiment, composition graphs 4, control circuit board 16 comprises:
The motor that the motor speed signal of telecommunication exported according to motor sensing device generates electric machines test signal runs detecting unit 102, and its multiple test side to be held and defeated entry/exit end is connected with powering on of motor speed sensing device respectively;
As one embodiment of the present invention, when motor speed sensing device adopts the collection of light source transceiver 13 to realize, motor runs detecting unit 102 for generating shielding signals according to reflection source signal, the first test side In1, the second test side In2 that motor runs detecting unit 102 are connected with the upper electrical input of light source transceiver 13 and the output that powers on respectively, and the second test side In2, the 3rd test side In3 of motor operation detecting unit 102 are connected with the conducting output of light source transceiver 13 and conducting input respectively.
In the utility model embodiment, light source transceiver 13 turns off when not receiving reflection source signal, conducting after receiving reflection source signal, therefore the output voltage that motor runs detecting unit 102 is changed, thus generate the shielding signals that has low and high level, this shielding signals and pwm signal similar, its pulsewidth can embody the time of shading, and its pulse frequency can embody the speed of electric machine rotation.
Processing unit 103, power on for controlling light source transceiver 13, judge whether motor transships according to electric machines test signal or shielding signals simultaneously, and halt instruction, reversion control command, enabled instruction is generated when motor overload, after overload is removed, generate halt instruction, rotate forward control command, enabled instruction, 3rd control end Ctr3 and the motor of processing unit 103 run powering on to hold and being connected of detecting unit 102, and the output that test side and the motor of processing unit 103 run detecting unit 102 is connected;
In the utility model embodiment, judge that whether motor speed is excessively slow by the pulsewidth of shielding signals, thus judge overload, when usual light source transceiver 13 is in anti-dazzling screen pauses (light source is unobstructed or block) rotational time about 1 second or 1.5 seconds, namely be judged to be motor overload, certainly, this time can arrange according to the hole of motor rated speed, anti-dazzling screen (recess) quantity, can change according to the actual requirements, not limit herein.
Switching on and shutting down control unit 104, for controlling electric motor starting or stopping according to enabled instruction or halt instruction, the control end of switching on and shutting down control unit 104 is connected with the first control end Ctr1 of processing unit 103, and the input of switching on and shutting down control unit 104 is connected with positive source;
Rotating control unit 105, rotate forward when starting for controlling motor according to rotating forward control command or control motor reversion when starting according to reversion control command, the control end of rotating control unit 105 is connected with the second control end Ctr2 of processing unit 103, the input of rotating control unit 105 is connected with the output of switching on and shutting down control unit 104, first output Out1 of rotating control unit 105 is connected with the rotating forward drive end of motor 11, second output Out2 of rotating control unit 105 is connected with the reversion drive end of motor 11, the earth terminal of motor 11 is connected with power cathode.
In the utility model embodiment, when judge motor stuck after hard stop, control reversion, reversion control again after 2 seconds to 10 seconds motor recover rotate forward, both can get rid of stuck fault in time, can transmission efficiency be improved again.
What deserves to be explained is, above-mentioned connection all refers to electrical connection.
When occurring that screw rod 15 blocks pause; optoelectronic switch 101 is when anti-dazzling screen 12 pauses (light source is unobstructed or block) rotational time 1-2 second; namely motor overload is judged to be; processing unit 103 on control circuit board 16 controls motor stopping by control command and reverses; stuck to get rid of motor; in addition after motor reversal 2-10 second, after stuck state removed by motor, processing unit 103 controls motor rotating forward work again.
As the utility model one embodiment, above-mentioned light source transceiver 13 is to adopt contactless optoelectronic switch to realize, and such as incorporated light electric switch, particularly groove type photoelectric switch is especially applicable.
What deserves to be explained is, of the present utility model to automatically terminate stuck function be just starting when there being stuck situation to occur action occurs, and saves energy consumption and effectively ensure that the transfer efficiency of material.
As the utility model one preferred embodiment, light source transceiver 13 and motor to run detecting unit 102, processing unit 103, switching on and shutting down control unit 104, rotating control unit 105 concrete structure describe in detail in subsequent embodiment see Fig. 5.
The utility model utilizes the rotation of the anti-dazzling screen rotated with motor coaxle and pause action to change; make light source transceiver output overloading signal within motor stuck very first time; controlling motor reversal gets rid of stuck; and in inversion recovery motor rotating forward work; realize the automatic overload protection to reversible motor, effectively eliminate the hidden danger of burn-down of electric motor.
Fig. 4 shows the structure of the anti-jamming control circuit that the utility model embodiment provides, and for convenience of explanation, illustrate only the part relevant to the utility model.
Another object of the utility model embodiment is, a kind of anti-jamming control circuit is provided, the motor that this circuit comprises in above-described embodiment runs detecting unit 102, processing unit 103, switching on and shutting down control unit 104, rotating control unit 105, this anti-jamming control circuit can be applied in any anti-jamming conveyer, such as garbage disposer, shredder and unclassified stores conveyer.
Motor runs detecting unit 102, generates electric machines test signal for the motor speed signal of telecommunication that exports according to motor sensing device, and multiple test sides of motor operation detecting unit 102 to be held and defeated entry/exit end is connected with powering on of motor speed sensing device respectively;
Preferably, this motor speed sensing device can arrange realization by light source transceiver 13 and relevant machinery, and light source transceiver 13 sends light signal after powering on, and gathers reflection source signal;
Certainly, the transducer of the energy perception electric machine rotation that this motor speed sensing device can also adopt those skilled in the art to commonly use, as angular transducer, this angular transducer is connected with the output shaft 11 of reversible motor, the rotating speed of motor in real time, and the motor speed signal of telecommunication is exported to motor operation detecting unit 102.
In the utility model embodiment, light source is sent after light source transceiver 13 powers on, light source can produce reflection source through blocking of anti-dazzling screen, the reception reflection source of light source transceiver 13 meeting discontinuity after anti-dazzling screen is with electric machine rotation, therefore the movement state information of motor is obtained, if light source transceiver 13 receives reflection source for a long time, or do not receive reflection source for a long time, then illustrate now motor stall is stuck.
When motor speed sensing device adopts light source transceiver 13 to realize, motor runs detecting unit 102 can generate shielding signals according to reflection source signal, the first test side In1, the second test side In2 that motor runs detecting unit 102 are connected with the upper electrical input of light source transceiver 13 and the output that powers on respectively, and the second test side In2, the 3rd test side In3 of motor operation detecting unit 102 are connected with the conducting output of light source transceiver 13 and conducting input respectively;
In the utility model embodiment, light source transceiver 13 turns off when not receiving reflection source signal, conducting after receiving reflection source signal, therefore the output voltage that motor runs detecting unit 102 is changed, thus generate the shielding signals that has low and high level, this shielding signals and pwm signal similar, its pulsewidth can embody the time of shading, and its pulse frequency can embody the speed of electric machine rotation.
Processing unit 103, power on for controlling light source transceiver 13, judge whether motor transships according to electric machines test signal or shielding signals simultaneously, and halt instruction, reversion control command, enabled instruction is generated when motor overload, after overload is removed, generate halt instruction, rotate forward control command, enabled instruction, 3rd control end Ctr3 and the motor of processing unit 103 run powering on to hold and being connected of detecting unit 102, and the output that test side and the motor of processing unit 103 run detecting unit 102 is connected.
In the utility model embodiment, judge that whether motor speed is excessively slow by the pulsewidth of shielding signals, thus judge overload, when usual light source transceiver 13 is in anti-dazzling screen pauses (light source is unobstructed or block) rotational time about 1 second or 1.5 seconds, namely be judged to be motor overload, certainly, this time can arrange according to the hole of motor rated speed, anti-dazzling screen (recess) quantity, can change according to the actual requirements, not limit herein.
Switching on and shutting down control unit 104, for controlling electric motor starting or stopping according to enabled instruction or halt instruction, the control end of switching on and shutting down control unit 104 is connected with the first control end Ctr1 of processing unit 103, and the input of switching on and shutting down control unit 104 is connected with positive source;
Rotating control unit 105, rotate forward when starting for controlling motor according to rotating forward control command or control motor reversion when starting according to reversion control command, the control end of rotating control unit 105 is connected with the second control end Ctr2 of processing unit 103, the input of rotating control unit 105 is connected with the output of switching on and shutting down control unit 104, first output Out1 of rotating control unit 105 is connected with the rotating forward drive end of motor 11, second output Out2 of rotating control unit 105 is connected with the reversion drive end of motor 11, the earth terminal of motor 11 is connected with power cathode.
In the utility model embodiment, when judge motor stuck after hard stop, control reversion, reversion control again after 2 seconds to 10 seconds motor recover rotate forward, both can get rid of stuck fault in time, can transmission efficiency be improved again.
What deserves to be explained is, above-mentioned connection all refers to electrical connection.
The motor speed sensing device of the utility model embodiment generates the motor speed signal of telecommunication according to the rotation of reversible motor and pause action change; judge that whether motor is stuck to make control circuit board according to the motor speed signal of telecommunication; and within the very first time that the stuck situation of motor occurs output overloading signal; controlling motor reversal gets rid of stuck; and within several seconds, recover the automatic overload protection of motor rotating forward work realization to reversible motor afterwards in reversion, effectively eliminate the hidden danger of burn-down of electric motor.
Fig. 5 shows the exemplary circuit structure of the anti-jamming control circuit that the utility model embodiment provides, and for convenience of explanation, illustrate only the part relevant to the utility model.
Motor runs detecting unit 102 and comprises:
Resistance R5, resistance R7, resistance R8, resistance R11, electric capacity C12 and the 3rd switching tube Q3;
One end of resistance R5 is the end that powers on that motor runs detecting unit 102, the other end of resistance R5 is connected with one end of resistance R11 and the control end of the 3rd switching tube Q3 simultaneously, the output of the 3rd switching tube Q3 and the other end of resistance R11 ground connection simultaneously, the input of the 3rd switching tube Q3 is the second test side In2 that motor runs detecting unit 102, one end of resistance R7 is the first test side In1 that motor runs detecting unit 102, the other end of resistance R7 connects the first supply voltage+5V, the other end of resistance R7 is also by electric capacity C12 ground connection, one end of resistance R8 is simultaneously for motor runs the 3rd test side In3 and output of detecting unit 102, the other end of resistance R8 connects the first supply voltage+5V.
Processing unit 103 comprises:
Overload determination module 113, for being judged by shielding signals whether shading time or non-shading time are greater than the first preset value, if so, then generate overload signal, the input of overload determination module 113 is the test side of processing unit 103;
Motor drive module 123, for generating halt instruction, reversion control command and enabled instruction successively according to overload signal, the first input end of motor drive module 123 is connected with the output of overload determination module 113, first output of motor drive module 123 is the first control end Ctr1 of processing unit 103, second output of motor drive module 123 is the second control end Ctr2 of processing unit 103, and the 3rd output of motor drive module 123 is the 3rd control end Ctr3 of processing unit 103;
Overload removes module 133, for judging whether the duration of reversion control command is greater than the second preset value, if, then generate overload ring off signal, generate halt instruction to make motor drive module 123 successively according to overload ring off signal, rotate forward control command and enabled instruction, overload is removed the input of module 133 and is connected with the second output of motor drive module 123, and overload is removed the output of module 133 and is connected with the second input of motor drive module 123.
In the utility model embodiment, overload determination module 113 is compared by the pulse width time of shielding signals and Preset Time, such as motor is when normally running, shielding signals should be the pwm signal that a uniform pulsewidth of pulse is less, in time there is card in motor, the frequency of this pwm signal can reduce, pulsewidth can increase, when this pulsewidth is greater than Preset Time (be usually set to 1-2 second), then judge now motor overload, output overloading signal, control motor reversal, but when after motor reversal Preset Time (be usually set to 2-10 second), again control motor to recover to rotate forward.
As the utility model one embodiment, processing unit 103 also can adopt integrated process chip to realize.
Switching on and shutting down control unit 104 comprises:
Resistance R2, resistance R3, resistance R9, diode D2, the first switching tube Q1, the first isolating switch U1 and the first electromagnetic switch RELAY1;
One end of resistance R3 is the control end of switching on and shutting down control unit 104, the other end of resistance R3 is connected with the master control output of the first isolating switch U1, the main controling input end of the first isolating switch U1 connects the first supply voltage+5V, the controlled input of the first isolating switch U1 connects second source voltage VCC_12V, the controlled output of the first isolating switch U1 is connected with one end of resistance R2, the other end of resistance R2 is connected with one end of resistance R9 and the control end of the first switching tube Q1 simultaneously, the output of the first switching tube Q1 and the other end of resistance R9 ground connection simultaneously, the input of the first switching tube Q1 is connected with the anode of diode D2 and the coil output of electromagnetic switch simultaneously, the negative electrode of diode D2 is connected with second source voltage VCC_12V with the coil input end of the first electromagnetic switch RELAY1 simultaneously, the one switch conduction end of the first electromagnetic switch RELAY1 is the input of switching on and shutting down control unit 104, another switch conduction end of first electromagnetic switch RELAY1 is the output of switching on and shutting down control unit 104.
Preferably, switching on and shutting down control unit 104 can also comprise:
Resistance R1 and LED 1;
One end of resistance R1 is connected with the anode of diode D2, and the other end of resistance R1 is connected with the negative electrode of LED 1, and the anode of LED 1 is connected with the negative electrode of diode D2.
In the utility model embodiment, can show motor by LED 1 and whether be in running status, after processing unit 103 exports effectively start instruction, LED 1 is lighted.
Rotating control unit 105 comprises:
Resistance R4, resistance R6, resistance R10, diode D3, second switch pipe Q2, the second isolating switch U2 and the second electromagnetic switch RELAY2;
One end of resistance R6 is the control end of rotating control unit 105, the other end of resistance R6 is connected with the master control output of the second isolating switch U2, the main controling input end of the second isolating switch U2 is connected with the first supply voltage+5V, the controlled input of the second isolating switch U2 is connected with second source voltage VCC_12V, the controlled output of the second isolating switch U2 is connected with one end of resistance R4, the other end of resistance R4 is connected with one end of resistance R10 and the control end of second switch pipe Q2 simultaneously, the output of second switch pipe Q2 and the other end of resistance R10 ground connection simultaneously, the input of second switch pipe Q2 is connected with the anode of diode D3 and the coil output of the second electromagnetic switch RELAY2 simultaneously, the negative electrode of diode D3 is connected with second source voltage VCC_12V with the coil input end of the second electromagnetic switch RELAY2 simultaneously, the switch common port of the second electromagnetic switch RELAY2 is the input of rotating control unit 105, the first switch conduction end of the second electromagnetic switch RELAY2 is the first output of rotating control unit 105, the second switch conduction terminal of the second electromagnetic switch RELAY2 is the second output of rotating control unit 105.
As the utility model one preferred embodiment, first switching tube Q1, second switch pipe Q2, the 3rd switching tube Q3 all can adopt N-type metal-oxide-semiconductor to realize, wherein, the drain electrode of N-type metal-oxide-semiconductor is the input of switching tube, the source electrode of N-type metal-oxide-semiconductor is the output of switching tube, and the grid of N-type metal-oxide-semiconductor is the control end of switching tube.
First isolating switch U1, the second isolating switch U2 all can adopt optocoupler to realize, wherein, the anode of the light-emitting diode of optocoupler is the main controling input end of isolating switch, the negative electrode of the light-emitting diode of optocoupler is the master control output of isolating switch, the controlled input of the current collection of the switching tube of optocoupler very isolating switch, the controlled output of the transmitting of the switching tube of optocoupler very isolating switch.
First electromagnetic switch RELAY1, second electromagnetic switch RELAY2 all can adopt relay to realize, wherein, the coil two ends of relay are respectively the coil input end of electromagnetic switch, output, the common port of relay is a switch conduction end of the first electromagnetic switch RELAY1, the Chang Kaiduan of relay is another switch conduction end of the first electromagnetic switch RELAY1, the common port of relay again can as the switch common port of the second electromagnetic switch RELAY2, the normal-closed end of relay is the first switch conduction end of the second electromagnetic switch RELAY2, the Chang Kaiduan of relay again can as the second switch conduction terminal of the second electromagnetic switch RELAY2.
In the utility model embodiment, after processing unit 103 exports power on signal, 3rd switching tube Q3 conducting, photodiode in optoelectronic switch controls its conducting or cut-off by reverberation, thus export the pwm signal with low and high level at the switching tube collector electrode of optoelectronic switch, processing unit 103 can calculate the real-time rotate speed of motor by algorithm according to this pwm signal, when the motor is energized, detecting motor actual speed is zero, just illustrate that now motor is in stuck state, processing unit 103 exports enabled instruction or halt instruction according to judged result, this enabled instruction Low level effective, the first optocoupler U1 conducting when low level, and then the first switching tube Q1 conducting, the adhesive switch thus relay coil powers on, first electromagnetic switch RELAY1 conducting, motor can start, again according to rotating forward control command or the reversion control command of processing unit 103 output, this instruction high level is for rotating forward control command, low level is reversion control command, when low level, second optocoupler U2, second switch pipe Q2 conducting successively, relay coil powers on adhesive switch, the Chang Kaiduan conducting of the second electromagnetic switch RELAY2, motor reversal, when the control signal goes high, second optocoupler U2, second switch pipe Q2 all not conductings, the coil of relay does not have electric current, the normal-closed end of the second electromagnetic switch RELAY2 is in conducting state, motor rotates forward.
After stuck state appears in motor, first can control motor stopping, then control its reversion.
The motor speed sensing device of the utility model embodiment generates the motor speed signal of telecommunication according to the rotation of reversible motor and pause action change; judge that whether motor is stuck to make control circuit board according to the motor speed signal of telecommunication; and within the very first time that the stuck situation of motor occurs output overloading signal; controlling motor reversal gets rid of stuck; and within several seconds, recover the automatic overload protection of motor rotating forward work realization to reversible motor afterwards in reversion, effectively eliminate the hidden danger of burn-down of electric motor.
These are only preferred embodiment of the present utility model, not in order to limit the utility model, all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection range of the present utility model.
Claims (6)
1. an anti-jamming control circuit, is electrically connected with motor, it is characterized in that, described circuit comprises:
The motor that the motor speed signal of telecommunication generated according to motor speed sensing device generates electric machines test signal runs detecting unit, and multiple test sides that described motor runs detecting unit to be held and defeated entry/exit end is connected with powering on of described motor speed sensing device respectively;
Judge whether motor transships according to described electric machines test signal, and halt instruction, reversion control command, enabled instruction is generated when motor overload, after overload is removed, generate halt instruction, rotate forward the processing unit of control command, enabled instruction, 3rd control end and the described motor of described processing unit run powering on to hold and being connected of detecting unit, and the output that test side and the described motor of described processing unit run detecting unit is connected;
The switching on and shutting down control unit of electric motor starting or stopping is controlled according to described enabled instruction or described halt instruction, the control end of described switching on and shutting down control unit is connected with the first control end of described processing unit, and the input of described switching on and shutting down control unit is connected with positive source;
Motor rotating forward or the rotating control unit according to the reversion when starting of described reversion control command control motor when starting is controlled according to described rotating forward control command, the control end of described rotating control unit is connected with the second control end of described processing unit, the input of described rotating control unit is connected with the output of described switching on and shutting down control unit, first output of described rotating control unit is connected with the rotating forward drive end of described motor, second output of described rotating control unit is connected with the reversion drive end of described motor, the earth terminal of described motor is connected with power cathode.
2. circuit as claimed in claim 1, it is characterized in that, described motor speed sensing device comprise power on after send light signal, and gather the light source transceiver of reflection source signal, run detecting unit to make described motor and generate shielding signals according to described reflection source signal, thus make described processing unit judge whether motor transships according to described shielding signals;
Upper electrical input and the output that powers on of described light source transceiver run detecting unit respectively first, second test side with described motor is connected, and conducting output and the conducting input of described light source transceiver run detecting unit respectively second, third test side with described motor is connected.
3. circuit as claimed in claim 2, it is characterized in that, described processing unit comprises:
Judge whether shading time or non-shading time are greater than the first preset value, if so, then generate the overload determination module of overload signal by described shielding signals, the input of described overload determination module is the test side of described processing unit;
Halt instruction, reversion control command and the motor drive module of enabled instruction is generated successively according to described overload signal, the first input end of described motor drive module is connected with the output of described overload determination module, first output of described motor drive module is the first control end of described processing unit, second output of described motor drive module is the second control end of described processing unit, and the 3rd output of described motor drive module is the 3rd control end of described processing unit;
Judge whether the duration of described reversion control command is greater than the second preset value, if, then generate overload ring off signal, module is removed according to the overload that described overload ring off signal generates halt instruction successively, rotate forward control command and enabled instruction to make described motor drive module, described overload is removed the input of module and is connected with the second output of described motor drive module, and described overload is removed the output of module and is connected with the second input of described motor drive module.
4. circuit as claimed in claim 2, is characterized in that, described motor runs detecting unit and comprises:
Resistance R5, resistance R7, resistance R8, resistance R11, electric capacity C12 and the 3rd switching tube;
One end of described resistance R5 is the end that powers on that described motor runs detecting unit, the other end of described resistance R5 is connected with one end of described resistance R11 and the control end of described 3rd switching tube simultaneously, the output of described 3rd switching tube and the other end of described resistance R11 ground connection simultaneously, the input of described 3rd switching tube is the second test side that described motor runs detecting unit, one end of described resistance R7 is the first test side that described motor runs detecting unit, the other end of described resistance R7 connects the first supply voltage, the other end of described resistance R7 is also by described electric capacity C12 ground connection, one end of described resistance R8 is the 3rd test side and the output that described motor runs detecting unit simultaneously, the other end of described resistance R8 connects the first supply voltage.
5. circuit as claimed in claim 2, it is characterized in that, described switching on and shutting down control unit comprises:
Resistance R2, resistance R3, resistance R9, diode D2, the first switching tube, the first isolating switch and the first electromagnetic switch;
One end of described resistance R3 is the control end of described switching on and shutting down control unit, the other end of described resistance R3 is connected with the master control output of described first isolating switch, the main controling input end of described first isolating switch connects the first supply voltage, the controlled input of described first isolating switch connects second source voltage, the controlled output of described first isolating switch is connected with one end of described resistance R2, the other end of described resistance R2 is connected with one end of described resistance R9 and the control end of described first switching tube simultaneously, the output of described first switching tube and the other end of described resistance R9 ground connection simultaneously, the input of described first switching tube is connected with the anode of described diode D2 and the coil output of described electromagnetic switch simultaneously, the negative electrode of described diode D2 is connected with second source voltage with the coil input end of described first electromagnetic switch simultaneously, one switch conduction end of described first electromagnetic switch is the input of described switching on and shutting down control unit, another switch conduction end of described first electromagnetic switch is the output of described switching on and shutting down control unit.
6. circuit as claimed in claim 2, it is characterized in that, described rotating control unit comprises:
Resistance R4, resistance R6, resistance R10, diode D3, second switch pipe, the second isolating switch and the second electromagnetic switch;
One end of described resistance R6 is the control end of described rotating control unit, the other end of described resistance R6 is connected with the master control output of described second isolating switch, the main controling input end of described second isolating switch is connected with the first supply voltage, the controlled input of described second isolating switch is connected with second source voltage, the controlled output of described second isolating switch is connected with one end of described resistance R4, the other end of described resistance R4 is connected with one end of described resistance R10 and the control end of described second switch pipe simultaneously, the output of described second switch pipe and the other end of described resistance R10 ground connection simultaneously, the input of described second switch pipe is connected with the anode of described diode D3 and the coil output of described second electromagnetic switch simultaneously, the negative electrode of described diode D3 is connected with second source voltage with the coil input end of described second electromagnetic switch simultaneously, the switch common port of described second electromagnetic switch is the input of described rotating control unit, first switch conduction end of described second electromagnetic switch is the first output of described rotating control unit, the second switch conduction terminal of described second electromagnetic switch is the second output of described rotating control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520555735.0U CN204886140U (en) | 2015-07-28 | 2015-07-28 | Dead control circuit of anti -sticking |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520555735.0U CN204886140U (en) | 2015-07-28 | 2015-07-28 | Dead control circuit of anti -sticking |
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| CN204886140U true CN204886140U (en) | 2015-12-16 |
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| CN201520555735.0U Expired - Fee Related CN204886140U (en) | 2015-07-28 | 2015-07-28 | Dead control circuit of anti -sticking |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105523340A (en) * | 2016-01-15 | 2016-04-27 | 大族激光科技产业集团股份有限公司 | Transmission chain device and operation method thereof |
| CN106020055A (en) * | 2016-07-19 | 2016-10-12 | 苏州鸿本机械制造有限公司 | Electric control system of kitchen garbage processor and control method of electric control system |
| CN107171617A (en) * | 2017-05-31 | 2017-09-15 | 合肥艾瑞德电气有限公司 | Motor control method and system in a kind of moisture analyser |
| CN109399506A (en) * | 2018-10-23 | 2019-03-01 | 芜湖智久机器人有限公司 | A kind of detection system, detection method and its processing method for intelligent forklift arm failure |
| CN117536845A (en) * | 2023-12-27 | 2024-02-09 | 浙江大元泵业股份有限公司 | Anti-blocking water pump and control method thereof |
-
2015
- 2015-07-28 CN CN201520555735.0U patent/CN204886140U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105523340A (en) * | 2016-01-15 | 2016-04-27 | 大族激光科技产业集团股份有限公司 | Transmission chain device and operation method thereof |
| CN106020055A (en) * | 2016-07-19 | 2016-10-12 | 苏州鸿本机械制造有限公司 | Electric control system of kitchen garbage processor and control method of electric control system |
| CN107171617A (en) * | 2017-05-31 | 2017-09-15 | 合肥艾瑞德电气有限公司 | Motor control method and system in a kind of moisture analyser |
| CN109399506A (en) * | 2018-10-23 | 2019-03-01 | 芜湖智久机器人有限公司 | A kind of detection system, detection method and its processing method for intelligent forklift arm failure |
| CN109399506B (en) * | 2018-10-23 | 2020-10-27 | 芜湖智久机器人有限公司 | Detection system, detection method and processing method for intelligent forklift arm fault |
| CN117536845A (en) * | 2023-12-27 | 2024-02-09 | 浙江大元泵业股份有限公司 | Anti-blocking water pump and control method thereof |
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