CN207689017U - A kind of low-speed permanent-magnet motor temperature detection warning device - Google Patents
A kind of low-speed permanent-magnet motor temperature detection warning device Download PDFInfo
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- CN207689017U CN207689017U CN201820125959.1U CN201820125959U CN207689017U CN 207689017 U CN207689017 U CN 207689017U CN 201820125959 U CN201820125959 U CN 201820125959U CN 207689017 U CN207689017 U CN 207689017U
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Abstract
A kind of low-speed permanent-magnet motor temperature detection warning device, belongs to low-speed permanent-magnet motor field, specially the temperature detection field of low-speed permanent-magnet.The utility model can not be monitored in real time for the prior art low-speed permanent-magnet motor operation temperature information, to abnormal operation conditions can not and alarm, the defect that corresponding safeguard measure can not be taken in time, provide a kind of low-speed permanent-magnet motor temperature detection warning device.The utility model includes control circuit, crystal oscillating circuit, key circuit, driving circuit, motor circuit, temperature measurement circuit, warning circuit and display circuit, crystal oscillating circuit, key circuit, reset circuit, temperature measurement circuit and warning circuit are connect with the input terminal of control circuit microcontroller, display circuit and driving circuit are connect with the output end of control circuit microcontroller, the input terminal of the output end connection motor circuit of driving circuit.The utility model is mainly used in the temperature regime of detection low-speed permanent-magnet motor at work to determine motor whether normal operation.
Description
Technical field
The utility model belongs to low-speed permanent-magnet motor field, specially the temperature detection field of low-speed permanent-magnet motor.
Background technology
Low-speed permanent-magnet motor is a kind of motor that is occurring earliest and being applied, because its with good startability,
Braking ability and speed adjusting performance, and be enable to respond quickly, it has been widely used in industrial automation, mechanical equipment, traffic fortune
In the fields such as defeated, aviation kinetic energy.The low-speed permanent-magnet motor occurred earliest be by analog circuit, digital circuit, operational amplifier and
Nonlinear circuit composition, since motor will produce heat in a large amount of in operation, lead to the operating temperature of low-speed permanent-magnet motor
Constantly rise, this will result in the loss of electromechanical device, shorten the service life of motor.Low-speed permanent-magnet motor is in practical applications
Temperature may be caused to increase because of the unsmooth equal other reasons of ventilation, be more than the limit allowed, lead to cisco unity malfunction, even
Winding overheat is burnt, and not only influences industrial production progress, or even there are security risks.
With the fast development of China's economy, to meet the needs of modern industrial production and application, low-speed permanent-magnet motor is wanted
More stable working efficiency is sought, the height of low-speed permanent-magnet motor temperature is the important mark for reflecting low-speed permanent-magnet motor operating state
Will, so, it is necessary to it is a kind of to carry out monitoring in real time to the temperature of low-speed permanent-magnet motor, understand low-speed permanent-magnet motor in time
Operating condition prejudges out the failure of low-speed permanent-magnet motor and makes corresponding processing in advance, prevents low-speed permanent-magnet motor from event occurs
Barrier influences industrial progress.
In summary, it is necessary to a kind of to acquire the temperature information of low-speed permanent-magnet motor operation in real time, to abnormal
Operation conditions and alarm simultaneously take a kind of low-speed permanent-magnet motor temperature of corresponding safeguard measure to detect warning device.
Utility model content
The utility model can not monitor the temperature information of low-speed permanent-magnet motor operation, to abnormal in real time for the prior art
Operation conditions can not and alarm, the defect that corresponding safeguard measure can not be taken in time, providing one kind can supervise in real time
It surveys the temperature information of low-speed permanent-magnet motor operation, to irregular operating situation and alarm and take one kind of corresponding safeguard measure
Low-speed permanent-magnet motor temperature detects warning device.
A kind of technical solution of low-speed permanent-magnet motor temperature detection warning device involved by the utility model is as follows：
A kind of low-speed permanent-magnet motor temperature involved by the utility model detects warning device, it includes control circuit, crystalline substance
Shake circuit, key circuit, driving circuit, motor circuit, temperature measurement circuit, warning circuit and display circuit, the control circuit
For microcontroller STC89C51, the motor circuit is low-speed permanent-magnet motor, and the temperature measurement circuit is temperature sensor, described
Crystal oscillating circuit, key circuit, reset circuit and temperature measurement circuit simultaneously connect with the input terminal of control circuit microcontroller, it is described
Display circuit, warning circuit and driving circuit connect simultaneously with the output end of control circuit microcontroller, the driving is electric
The input terminal of the output end connection motor circuit on road.
The crystal oscillating circuit includes crystal-vibration-chip Y1, and one end connection microcontroller STC89C51's of the crystal-vibration-chip Y1 draws
Foot 18, the pin 19 of the other end connection microcontroller STC89C51 of crystal-vibration-chip Y1, while the both ends of crystal-vibration-chip Y1 are connected and are grounded.
The key circuit includes 4 buttons K1, K2, K3 and K4, one end of described 4 buttons K1, K2, K3 and K4
It is separately connected 4 pin P10, P11, P12 and P13, described 4 buttons K1, K2, K3 and K4 of microcontroller STC89C51 successively
The other end connect and be grounded simultaneously two-by-two.
The reset circuit includes capacitance C1 and one end connection VCC of resistance R1, the capacitance C1, other end connection
One end of resistance R1, the other end ground connection of resistance R1, the pin RST of the microcontroller STC89C51 are connected to capacitance C1 and electricity
Between hindering R1, the pin 40 of the microcontroller STC89C51 connects VCC, and the pin 20 of microcontroller STC89C51 is grounded.
The warning device includes the base stage company of electric bell LS1 and PNP type triode Q3, the PNP type triode Q3
The pin 27 of microcontroller STC89C51 is connect, the collector of PNP type triode Q3 meets VCC, and one end of electric bell LS1 connects positive-negative-positive three
The collector of pole pipe Q1, the other end ground connection of electric bell LS1.
The temperature measurement circuit includes chip DHT11, and the pin 2 of the chip DHT11 connects microcontroller STC89C51
Pin P32, the pin 1 of chip DHT11 connects VCC, and the pin 3 of chip DHT11 is grounded.
The display circuit includes LED charactrons, 4 PNP type triode Q1, Q2, Q4 and Q5,4 resistance R2, R3,
One end of R4 and R5, described 4 resistance R2, R3, R4 and R5 be separately connected successively the pin P20 of microcontroller STC89C51,
P21, P22 and P23, the other end of 4 resistance R2, R3, R4 and R5 be separately connected successively 4 PNP type triodes Q1, Q2, Q4 and
The base stage of Q5,4 PNP type triodes Q1, Q2, Q4 connect VCC, 4 PNP type triodes Q1, Q2, Q4 and Q5 with the emitter of Q5
Collector be separately connected pin 12, pin 9, pin 8 and the pin 6 of LED charactrons, 8 pins of LED charactrons successively
11,7,4,2,1,10,5 and 3 be separately connected microcontroller STC89C51 successively 8 pin P00, P01, P02, P03, P04, P05,
P06, P07 and P08.
The driving circuit includes chip L293D, 2 capacitances C4 and C6, and the pin 2 of the chip L293D connects
The pin 7 of the pin P14 of microcontroller STC89C51, chip L293D connect the pin P15, chip L293D of microcontroller STC89C51
Pin 1, pin P16 and pin 8 simultaneously connect VCC, the pin 8 of chip L293D is connected to one end of capacitance C4, capacitance C4's
The other end is grounded, and capacitance C6 is connected in parallel to the both ends of capacitance C4, and the pin 3 and pin 6 of chip L293D are separately connected the defeated of motor
Enter end, pin 4,13 earth of pin 5, pin 12 and pin of chip L293D.
The utility model has the beneficial effects that：
A kind of low-speed permanent-magnet motor temperature involved by the utility model detects warning device, by detecting low-speed permanent-magnet electricity
The temperature of machine operating status grasps the working condition of low-speed permanent-magnet motor, occurs in discovery low-speed permanent-magnet motor operation in time
Failure, and alarm is sent out in the form of acousto-optic, remind staff's low-speed permanent-magnet motor the case where irregular operating occur, together
Shi Zhihang driving circuits are injury-free to protect low-speed permanent-magnet motor.
The utility model not only increases the safety and reliability of motor operation, also achieves to the real-time of motor temperature
Tracing detection.The utility model has the advantage of：
One, the component of detecting system needs is few, circuit structure is simple, therefore sexual valence is relatively high, is convenient for large-scale application.
Two, have preferable safety and timeliness, measurement parameter more accurate using the system of temperature detection.
Three, it can flexibly control, system additive property is good, and convenient for expanding more functional circuits, durability is strong, required people
Work operation is less.
Description of the drawings
Fig. 1 is the functional block diagram of low-speed permanent-magnet motor temperature detection device；
Fig. 2 is the circuit diagram of crystal oscillating circuit；
Fig. 3 is the circuit diagram of key circuit；
Fig. 4 is the circuit diagram of reset circuit；
Fig. 5 is the circuit diagram of warning circuit；
Fig. 6 is the circuit diagram of temperature measurement circuit；
Fig. 7 is the circuit diagram of display circuit；
Fig. 8 is the circuit diagram of driving circuit.
Specific implementation mode
The technical solution of the utility model is described further with reference to embodiment, however, it is not limited to this, all
That technical solutions of the utility model are modified or replaced equivalently, without departing from technical solutions of the utility model spirit and
Range should all cover in the scope of protection of the utility model.
Embodiment 1
It is illustrated with reference to Fig. 1 the present embodiment, a kind of low-speed permanent-magnet motor temperature described in the utility model detects warning device,
It includes control circuit, crystal oscillating circuit, key circuit, driving circuit, motor circuit, temperature measurement circuit, warning circuit and display electricity
Road, the control circuit are microcontroller STC89C51, and the motor circuit is low-speed permanent-magnet motor, the temperature measurement circuit
For temperature sensor, the crystal oscillating circuit, key circuit, reset circuit and temperature measurement circuit simultaneously with control circuit microcontroller
Input terminal connection, the display circuit, warning circuit and driving circuit output end with control circuit microcontroller simultaneously
Connection, the input terminal of the output end connection motor circuit of the driving circuit.
The crystal oscillating circuit includes crystal-vibration-chip Y1, and one end connection microcontroller STC89C51's of the crystal-vibration-chip Y1 draws
Foot 18, the pin 19 of the other end connection microcontroller STC89C51 of crystal-vibration-chip Y1, while the both ends of crystal-vibration-chip Y1 are connected and are grounded.
The key circuit includes 4 buttons K1, K2, K3 and K4, one end of described 4 buttons K1, K2, K3 and K4
It is separately connected 4 pin P10, P11, P12 and P13, described 4 buttons K1, K2, K3 and K4 of microcontroller STC89C51 successively
The other end connect and be grounded simultaneously two-by-two.
The reset circuit includes capacitance C1 and one end connection VCC of resistance R1, the capacitance C1, other end connection
One end of resistance R1, the other end ground connection of resistance R1, the pin RST of the microcontroller STC89C51 are connected to capacitance C1 and electricity
Between hindering R1, the pin 40 of the microcontroller STC89C51 connects VCC, and the pin 20 of microcontroller STC89C51 is grounded.
The warning device includes the base stage company of electric bell LS1 and PNP type triode Q3, the PNP type triode Q3
The pin 27 of microcontroller STC89C51 is connect, the collector of PNP type triode Q3 meets VCC, and one end of electric bell LS1 connects positive-negative-positive three
The collector of pole pipe Q1, the other end ground connection of electric bell LS1.
The temperature measurement circuit includes chip DHT11, and the pin 2 of the chip DHT11 connects microcontroller STC89C51
Pin P32, the pin 1 of chip DHT11 connects VCC, and the pin 3 of chip DHT11 is grounded.
The display circuit includes LED charactrons, 4 PNP type triode Q1, Q2, Q4 and Q5,4 resistance R2, R3,
One end of R4 and R5, described 4 resistance R2, R3, R4 and R5 be separately connected successively the pin P20 of microcontroller STC89C51,
P21, P22 and P23, the other end of 4 resistance R2, R3, R4 and R5 be separately connected successively 4 PNP type triodes Q1, Q2, Q4 and
The base stage of Q5,4 PNP type triodes Q1, Q2, Q4 connect VCC, 4 PNP type triodes Q1, Q2, Q4 and Q5 with the emitter of Q5
Collector be separately connected pin 12, pin 9, pin 8 and the pin 6 of LED charactrons, 8 pins of LED charactrons successively
11,7,4,2,1,10,5 and 3 be separately connected microcontroller STC89C51 successively 8 pin P00, P01, P02, P03, P04, P05,
P06, P07 and P08.
The driving circuit includes chip L293D, 2 capacitances C4 and C6, and the pin 2 of the chip L293D connects
The pin 7 of the pin P14 of microcontroller STC89C51, chip L293D connect the pin P15, chip L293D of microcontroller STC89C51
Pin 1, pin P16 and pin 8 simultaneously connect VCC, the pin 8 of chip L293D is connected to one end of capacitance C4, capacitance C4's
The other end is grounded, and capacitance C6 is connected in parallel to the both ends of capacitance C4, and the pin 3 and pin 6 of chip L293D are separately connected the defeated of motor
Enter end, pin 4,13 earth of pin 5, pin 12 and pin of chip L293D.
A kind of operation principle of low-speed permanent-magnet motor temperature detection device described in the utility model：
A kind of low-speed permanent-magnet motor temperature detection device described in the utility model, temperature measurement circuit detect the work of machine winding
Make temperature, and temperature parameter is transferred to microcontroller, the real-time output temperature parameter of microcontroller is to display circuit, when temperature is more than to set
When definite value, pulse is exported to warning circuit, warning circuit sends out photosignal prompt staff, and is generated by crystal oscillating circuit
Pulse, combination with the MCU generate push button signalling, so that driving circuit is exported pulse to motor circuit, motor is made to adjust rotating speed, with
Achieve the purpose that adjust motor operating temperature, when temperature is down within the allowable range of setting value, reset circuit output resets
Signal makes detection device restore original operating state.
A kind of low-speed permanent-magnet motor temperature detection device described in the utility model, by temperature sensor to low-speed permanent-magnet
The real-time monitoring of motor operating state, and shown by display circuit, when the temperature of low-speed permanent-magnet motor operation is more than institute
When the range of setting, warning circuit by way of acousto-optic and alarm, while the increase of microcontroller control motor speed or
It reduces, to achieve the purpose that control temperature.
A kind of low-speed permanent-magnet motor temperature involved by the utility model detects warning device, can be good at completing to electricity
The temperature of machine measures and alarm, not only increases the safety and reliability of motor operation, also achieves to low-speed permanent-magnet motor
The real-time monitoring of running temperature.
Claims (8)
1. a kind of low-speed permanent-magnet motor temperature detects warning device, it is characterised in that：It include control circuit, crystal oscillating circuit, by
Key circuit, driving circuit, motor circuit, temperature measurement circuit, warning circuit and display circuit, the control circuit are microcontroller
STC89C51, the motor circuit are low-speed permanent-magnet motor, and the temperature measurement circuit is temperature sensor, crystal oscillator electricity
Road, key circuit, reset circuit and temperature measurement circuit are connect with the input terminal of control circuit microcontroller simultaneously, display electricity
Road, warning circuit and driving circuit are connect with the output end of control circuit microcontroller simultaneously, the output of the driving circuit
The input terminal of end connection motor circuit.
2. a kind of low-speed permanent-magnet motor temperature according to claim 1 detects warning device, which is characterized in that the crystalline substance
The circuit that shakes includes crystal-vibration-chip Y1, the pin 18 of one end connection microcontroller STC89C51 of the crystal-vibration-chip Y1, crystal-vibration-chip Y1's
The other end connects the pin 19 of microcontroller STC89C51, while the both ends of crystal-vibration-chip Y1 are connected and are grounded.
3. a kind of low-speed permanent-magnet motor temperature according to claim 1 detects warning device, which is characterized in that described presses
Key circuit includes 4 buttons K1, K2, K3 and K4, and one end of described 4 buttons K1, K2, K3 and K4 are separately connected monolithic successively
4 pins P10, P11, P12 and P13 of machine STC89C51, the other end of described 4 buttons K1, K2, K3 and K4 connect two-by-two
And it is grounded simultaneously.
4. a kind of low-speed permanent-magnet motor temperature according to claim 1 detects warning device, which is characterized in that described answers
Position circuit includes one end of one end connection VCC of capacitance C1 and resistance R1, the capacitance C1, other end connection resistance R1, electricity
The other end ground connection of R1 is hindered, the pin RST of the microcontroller STC89C51 is connected between capacitance C1 and resistance R1, described
The pin 40 of microcontroller STC89C51 connects VCC, and the pin 20 of microcontroller STC89C51 is grounded.
5. a kind of low-speed permanent-magnet motor temperature according to claim 1 detects warning device, which is characterized in that the report
Alarm device includes the base stage connection microcontroller STC89C51 of electric bell LS1 and PNP type triode Q3, the PNP type triode Q3
Pin 27, the collector of PNP type triode Q3 connects VCC, the collector of one end connection PNP type triode Q1 of electric bell LS1, electricity
The other end of bell LS1 is grounded.
6. a kind of low-speed permanent-magnet motor temperature according to claim 1 detects warning device, which is characterized in that the survey
Circuit temperature includes chip DHT11, and the pin 2 of the chip DHT11 connects the pin P32 of microcontroller STC89C51, chip
The pin 1 of DHT11 connects VCC, and the pin 3 of chip DHT11 is grounded.
7. a kind of low-speed permanent-magnet motor temperature according to claim 1 detects warning device, which is characterized in that described is aobvious
Show that circuit includes LED charactrons, 4 PNP type triode Q1, Q2, Q4 and Q5,4 resistance R2, R3, R4 and R5, described 4
One end of resistance R2, R3, R4 and R5 are separately connected pin P20, P21, P22 and P23 of microcontroller STC89C51,4 electricity successively
The other end of resistance R2, R3, R4 and R5 are separately connected the base stage of 4 PNP type triodes Q1, Q2, Q4 and Q5,4 positive-negative-positives three successively
Pole pipe Q1, Q2, Q4 connect VCC with the emitter of Q5, and the collector of 4 PNP type triodes Q1, Q2, Q4 and Q5 connect respectively successively
Connect pin 12, pin 9, pin 8 and the pin 6 of LED charactrons, 8 pins 11,7,4,2,1,10,5 and 3 of LED charactrons according to
Secondary 8 pins P00, P01, P02, P03, P04, P05, P06, P07 and P08 for being separately connected microcontroller STC89C51.
8. a kind of low-speed permanent-magnet motor temperature according to claim 1 detects warning device, which is characterized in that the drive
Dynamic circuit includes chip L293D, 2 capacitances C4 and C6, and the pin 2 of the chip L293D connects microcontroller STC89C51's
The pin 7 of pin P14, chip L293D connect the pin P15, pin 1, the pin P16 of chip L293D of microcontroller STC89C51
VCC is connected simultaneously with pin 8, and the pin 8 of chip L293D is connected to one end of capacitance C4, the other end ground connection of capacitance C4, capacitance
C6 is connected in parallel to the both ends of capacitance C4, and the pin 3 and pin 6 of chip L293D are separately connected the input terminal of motor, chip L293D
Pin 4,13 earth of pin 5, pin 12 and pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820125959.1U CN207689017U (en) | 2018-01-25 | 2018-01-25 | A kind of low-speed permanent-magnet motor temperature detection warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820125959.1U CN207689017U (en) | 2018-01-25 | 2018-01-25 | A kind of low-speed permanent-magnet motor temperature detection warning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207689017U true CN207689017U (en) | 2018-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820125959.1U Expired - Fee Related CN207689017U (en) | 2018-01-25 | 2018-01-25 | A kind of low-speed permanent-magnet motor temperature detection warning device |
Country Status (1)
| Country | Link |
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| CN (1) | CN207689017U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112600481A (en) * | 2020-12-10 | 2021-04-02 | 北京航星机器制造有限公司 | Single-phase motor control device for security check machine |
-
2018
- 2018-01-25 CN CN201820125959.1U patent/CN207689017U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112600481A (en) * | 2020-12-10 | 2021-04-02 | 北京航星机器制造有限公司 | Single-phase motor control device for security check machine |
| CN112600481B (en) * | 2020-12-10 | 2024-04-05 | 北京航星机器制造有限公司 | Single-phase motor control device for security inspection machine |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180803 Termination date: 20190125 |