CN108120929A - A kind of stirring motor running safety monitoring device - Google Patents
A kind of stirring motor running safety monitoring device Download PDFInfo
- Publication number
- CN108120929A CN108120929A CN201711410456.5A CN201711410456A CN108120929A CN 108120929 A CN108120929 A CN 108120929A CN 201711410456 A CN201711410456 A CN 201711410456A CN 108120929 A CN108120929 A CN 108120929A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
- G01R31/343—Testing dynamo-electric machines in operation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Of Direct Current Motors (AREA)
Abstract
The invention discloses a kind of stirring motor running safety monitoring device, including power-switching circuit, temperature detecting module and the detection alarm module that has a power failure；Power-switching circuit connects temperature detecting module respectively and the detection alarm module that has a power failure；Temperature detecting module is also connected with the detection alarm module that has a power failure, stirring motor running safety monitoring device of the present invention using diode forward pressure drop with the rise of temperature the principle of linear reduction, using only cheap diode as temperature element, the detection to stirring motor temperature is realized by multistage amplifier and comparator, when run into motor temperature beyond limitation when will send alarm, simultaneously power failure alarm module is also added in this circuit, this module and temperature alarming module share a loudspeaker, and it is non-interference to work between each other, alarm can be sent when running into power failure reminds user to pay attention to checking circuit question.
Description
Technical field
The present invention relates to a kind of monitors, are specifically a kind of stirring motor running safety monitoring device.
Background technology
Motor is the most common type power tool in industrial production and daily life, it is because manufacture at low cost, use
The advantages that convenient, applied widely, is widely used, and motor is to generate magnetic field by electromagnet winding, in stator winding rotary magnetic
Under the action of, control rotor makes its rotation, therefore, substantial amounts of heat can be generated in the operational process of motor, heat crosses section
It cannot discharge and this may result in motor and be burned out, What is more, may cause casualties and heavy economic losses, especially
It is on the mixing plant of construction site, since construction operation amount is huge, stirring motor is made to be in long-term overload operation shape
State, it is easy to abnormal phenomenon occur.
The content of the invention
It is an object of the invention to provide a kind of stirring motor running safety monitoring device, to solve to carry in above-mentioned background technology
The problem of going out.
To achieve the above object, the present invention provides following technical solution：
A kind of stirring motor running safety monitoring device, including power-switching circuit, temperature detecting module and the detection alarm mould that has a power failure
Block；Power-switching circuit connects temperature detecting module respectively and the detection alarm module that has a power failure；Temperature detecting module is also connected with having a power failure
Detect alarm module.
As further embodiment of the present invention：The power module power-switching circuit includes resistance R10, voltage stabilizing chip
One end of IC5, rectifier bridge T and filter capacitor C5, the resistance R10 connect capacitance C5 and 220V alternating current, and resistance R10's is another
The other end of end connection capacitance C5 and the port 1 of rectifier bridge T, the port 2 of rectifier bridge T connect the control source of voltage stabilizing chip IC5
Hold IN and capacitance C3, the anode of the other end connection diode D4 of capacitance C3, capacitance C4, the ground terminal of voltage stabilizing chip IC5, rectification
The cathode of the port 4 of bridge T and the output terminal OUT connection diodes D4 of common ground end GND, voltage stabilizing chip IC5, capacitance C4 it is another
One end and output DC voltage VCC.
As further embodiment of the present invention：The temperature detecting module includes resistance R1, chip IC 1, chip IC 2 and core
One end connection resistance R2, a fixing end of potentiometer RP1 and the DC voltage VCC of piece IC3, resistance R1, resistance R1's is another
The anode of end connection diode D2 and the pin 3 of chip IC 1, anode connection resistance R4, capacitance C1, the potentiometer of diode D2
Another fixing end of RP1 and ground terminal GND, the pin 1 of chip IC 1 connect resistance R8, the other end connection resistance of resistance R8
The pin 1 of R3, the pin 4 of chip IC 1 and chip IC 2, the pin 3 of chip IC 2 connect the sliding end of potentiometer RP1, chip IC 2
Pin 4 connect the other end of resistance R3 and the pin 3 of chip IC 4, other end connection resistance R4, resistance R5 and the core of resistance R2
The pin 3 of piece IC3, the other end connection resistance R6 of resistance R5 and the pin 4 of chip IC 3, the other end connection capacitance of resistance R6
The pin 1 of the other end of C1, the pin 1 of chip IC 3 and chip IC 4, the pin 4 of chip IC 4 connect the anode of diode D1.
As further embodiment of the present invention：The detection alarm module that has a power failure includes diode D3, triode V1 and loudspeaker
The other end of the cathode connection resistance R9 and capacitance C2 of anode connection the DC voltage VCC, diode D3 of B, diode D3, electricity
The emitter of the other end connecting triode V1 of resistance R9, the base stage of the other end connecting triode V1 of resistance R8, diode D1's
Cathode connect resistance R7 and unidirectional thyristor Q1 control pole, the collector of the cathode connected to the transistor V1 of unidirectional thyristor Q1 and
The other end, the other end of resistance R7 and the ground terminal GND of the other end connection loudspeaker B of loudspeaker B, capacitance C2.
As further embodiment of the present invention：The chip IC 1, chip IC 2, the model of chip IC 3 are OP07,
The model LM321 of chip IC 4.
As further scheme of the invention：The diode D1 is light emitting diode.
As further scheme of the invention：The model LM7809 of the chip IC 5.
Compared with prior art, the beneficial effects of the invention are as follows：Stirring motor running safety monitoring device of the present invention utilizes two
Pole pipe forward voltage drop principle of linear reduction with the rise of temperature, using only cheap diode as temperature element,
Detection to stirring motor temperature is realized by multistage amplifier and comparator, will be sent out when running into motor temperature beyond limitation
Going out alarm, while power failure alarm module is also added in this circuit, this module and temperature alarming module share a loudspeaker, and
It works between each other non-interference, alarm can be sent when running into power failure, user is reminded to pay attention to checking circuit question.
Description of the drawings
Fig. 1 is a kind of circuit diagram of stirring motor running safety monitoring device.
Fig. 2 is the circuit diagram of power-switching circuit.
Specific embodiment
The technical solution of this patent is described in more detail With reference to embodiment.
- 2 are please referred to Fig.1, a kind of stirring motor running safety monitoring device, including power-switching circuit, temperature detecting module
Alarm module is detected with having a power failure；Power module power-switching circuit includes resistance R10, voltage stabilizing chip IC5, rectifier bridge T and filtering
Capacitance C5, the detection alarm module that has a power failure include diode D3, triode V1 and loudspeaker B, and the temperature detecting module includes resistance
R1, chip IC 1, chip IC 2 and chip IC 3, one end connection capacitance C5 and 220V alternating current of the resistance R10, resistance R10's
The other end of other end connection capacitance C5 and the port 1 of rectifier bridge T, the port 2 of rectifier bridge T connect the voltage of voltage stabilizing chip IC5
The anode of the other end connection diode D4 of input terminal IN and capacitance C3, capacitance C3, capacitance C4, voltage stabilizing chip IC5 ground terminal,
The port 4 of rectifier bridge T and cathode, the capacitance C4 of the output terminal OUT connection diodes D4 of common ground end GND, voltage stabilizing chip IC5
The other end and output DC voltage VCC.One end connection resistance R2 of resistance R1, a fixing end and direct current of potentiometer RP1
The anode of other end connection diode D2 of voltage VCC, resistance R1 and the pin 3 of chip IC 1, the anode connection electricity of diode D2
R4, capacitance C1, another fixing end of potentiometer RP1 and ground terminal GND are hindered, the pin 1 of chip IC 1 connects resistance R8, resistance
Other end connection resistance R3, the pin 4 of chip IC 1 and the pin 1 of chip IC 2 of R8, the pin 3 of chip IC 2 connect potentiometer
The sliding end of RP1, the pin 4 of chip IC 2 connect the other end of resistance R3 and the pin 3 of chip IC 4, and the other end of resistance R2 connects
The pin 3 of connecting resistance R4, resistance R5 and chip IC 3, the other end connection resistance R6 of resistance R5 and the pin 4 of chip IC 3, resistance
The other end, the pin 1 of chip IC 3 and the pin 1 of chip IC 4 of the other end connection capacitance C1 of R6, the pin 4 of chip IC 4 connect
Connect the anode of diode D1.The cathode connection resistance R9 and capacitance of anode connection the DC voltage VCC, diode D3 of diode D3
The other end of C2, the emitter of the other end connecting triode V1 of resistance R9, the base of the other end connecting triode V1 of resistance R8
Pole, the control pole of the cathode connection resistance R7 and unidirectional thyristor Q1 of diode D1, the cathode of unidirectional thyristor Q1 connect three poles
The collector of pipe V1 and loudspeaker B, the other end, the other end and ground terminal of resistance R7 of the other end connection loudspeaker B of capacitance C2
GND。
The present invention operation principle be：Fig. 2 is power circuit diagram, 220V voltages through resistance-capacitance depressurization, rectification, capacitor filtering,
Export DC-voltage supply after voltage stabilizing chip voltage stabilizing, in Fig. 1 circuit obtain it is electric after, first, the diode D2 in circuit is as temperature
Detecting element, using diode forward pressure drop with the rise of temperature the principle of linear reduction, when diode surrounding enviroment temperature
Degree rises 1 DEG C, and pressure drop will reduce 2mV, therefore zener diode D2 is attached on stirring motor as detector unit,
Its pressure drop changes as motor temperature converts.Since its variable quantity is smaller, it is therefore desirable to which the variation of pressure drop is put by signal
Big device IC1 is output in chip IC 2 after once amplifying and carries out secondary amplification, and final output is same to voltage comparator chip IC 4
To 3 foot of input terminal, 1 foot of inverting input of voltage comparator chip IC 4 connects what is be made of elements such as chip IC 3, resistance R2
Constant voltage power supply circuit, constant voltage power supply circuit can give 1 foot of chip IC 4 to provide reference voltage, if 3 foot voltages of chip IC 4 are higher than 1
Foot voltage, then 4 foot of phase output terminal output high level, triggers thyristor Q1 conductings after diode D1, and loudspeaker B circuits are connected,
Alarm is sent, if 3 foot voltages are less than 1 foot voltage, does not send alarm, and then the purpose of temperature alarming.
Diode D3, triode V1, loudspeaker B composition power failure warning circuits, when there is voltage, the base voltage of triode V1
Higher, cut-off, loudspeaker B are not turned on inside V1, and when running into alternating current power-off, the loss of voltage of triode V1, capacitance C2 passes through electricity
It hinders R9 to discharge to V1, V1 conductings, loudspeaker B sends alarm, indicates as having a power failure.
The differentiation of above two type of alarm is light emitting diode D1, and when temperature alarm, diode D1 conductings shine,
During power failure alarm, D1 does not shine.
The better embodiment of this patent is explained in detail above, but this patent is not limited to above-mentioned embodiment party
Formula, can also be on the premise of this patent objective not be departed from the knowledge that one skilled in the relevant art possesses
It makes a variety of changes.
Claims (7)
1. a kind of stirring motor running safety monitoring device, including power-switching circuit, temperature detecting module and the detection alarm that has a power failure
Module；It is characterized in that, power-switching circuit connects temperature detecting module respectively and the detection alarm module that has a power failure；Temperature detection mould
Block is also connected with the detection alarm module that has a power failure.
A kind of 2. stirring motor running safety monitoring device according to claim 1, which is characterized in that the power module electricity
Power-switching circuit includes one end connection electricity of resistance R10, voltage stabilizing chip IC5, rectifier bridge T and filter capacitor C5, the resistance R10
Hold C5 and 220V alternating currents, the other end of other end connection capacitance C5 of resistance R10 and the port 1 of rectifier bridge T, rectifier bridge T's
The anode of the other end connection diode D4 of the voltage input end IN and capacitance C3 of the connection voltage stabilizing chip IC5 of port 2, capacitance C3,
Capacitance C4, the ground terminal of voltage stabilizing chip IC5, the port 4 of rectifier bridge T and common ground end GND, the output terminal of voltage stabilizing chip IC5
The cathode of OUT connection diodes D4, the other end of capacitance C4 and output DC voltage VCC.
A kind of 3. stirring motor running safety monitoring device according to claim 1, which is characterized in that the temperature detection mould
Block includes resistance R1, chip IC 1, chip IC 2 and chip IC 3, one end connection resistance R2 of resistance R1, one of potentiometer RP1
Fixing end and DC voltage VCC, the anode of other end connection diode D2 of resistance R1 and the pin 3 of chip IC 1, diode D2
Anode connection resistance R4, capacitance C1, another fixing end of potentiometer RP1 and ground terminal GND, the pin 1 of chip IC 1 connect
Other end connection resistance R3, the pin 4 of chip IC 1 and the pin 1 of chip IC 2 of resistance R8, resistance R8, the pin 3 of chip IC 2
The sliding end of potentiometer RP1 is connected, the pin 4 of chip IC 2 connects the other end of resistance R3 and the pin 3 of chip IC 4, resistance R2
Other end connection resistance R4, resistance R5 and chip IC 3 pin 3, the other end connection resistance R6 of resistance R5 and chip IC 3
Pin 4, the other end, the pin 1 of chip IC 3 and the pin 1 of chip IC 4 of the other end connection capacitance C1 of resistance R6, chip IC 4
Pin 4 connect the anode of diode D1.
A kind of 4. stirring motor running safety monitoring device according to claim 1, which is characterized in that the detection report that has a power failure
Alert module includes diode D3, triode V1 and loudspeaker B, the anode connection DC voltage VCC of diode D3, the moon of diode D3
Pole connects the other end of resistance R9 and capacitance C2, and the emitter of the other end connecting triode V1 of resistance R9, resistance R8's is another
Hold the base stage of connecting triode V1, the control pole of the cathode connection resistance R7 and unidirectional thyristor Q1 of diode D1, unidirectional crystalline substance lock
The collector of the cathode connected to the transistor V1 of pipe Q1 and loudspeaker B, the other end, the resistance R7 of the other end connection loudspeaker B of capacitance C2
The other end and ground terminal GND.
A kind of 5. stirring motor running safety monitoring device according to claim 3, which is characterized in that the chip
IC1, chip IC 2, the model of chip IC 3 are OP07, the model LM321 of chip IC 4.
6. a kind of stirring motor running safety monitoring device according to claim 3, which is characterized in that the diode D1 is
Light emitting diode.
7. a kind of stirring motor running safety monitoring device according to claim 3, which is characterized in that the chip IC 5
Model LM7809.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711410456.5A CN108120929A (en) | 2017-12-23 | 2017-12-23 | A kind of stirring motor running safety monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711410456.5A CN108120929A (en) | 2017-12-23 | 2017-12-23 | A kind of stirring motor running safety monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108120929A true CN108120929A (en) | 2018-06-05 |
Family
ID=62231327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711410456.5A Pending CN108120929A (en) | 2017-12-23 | 2017-12-23 | A kind of stirring motor running safety monitoring device |
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| CN (1) | CN108120929A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200997523Y (en) * | 2006-12-30 | 2007-12-26 | 三一重工股份有限公司 | Device for inspecting and alarming concrete agitating motor temperature |
| CN202255641U (en) * | 2011-08-12 | 2012-05-30 | 北京斯贝克科技有限责任公司 | Temperature warning direct-current circuit |
| CN202329857U (en) * | 2011-11-01 | 2012-07-11 | 河南恒星钢缆有限公司 | Temperature control system for distribution room of steel strand wire drawbench |
| CN103280772A (en) * | 2013-06-13 | 2013-09-04 | 成都联腾动力控制技术有限公司 | Motor controller overheating judgment and protection circuit |
| CN204064490U (en) * | 2014-08-07 | 2014-12-31 | 昆明理工大学 | A kind of temp monitoring alarm |
| CN104280146A (en) * | 2014-10-23 | 2015-01-14 | 国家电网公司 | Contact type temperature alarm for transformer substation |
| CN204535873U (en) * | 2015-03-30 | 2015-08-05 | 宋姝 | A kind of low-cost and high-precision thermometer |
| CN106940226A (en) * | 2017-05-15 | 2017-07-11 | 上海安誉智能科技有限公司 | Temperature sensor line based on temperature element |
-
2017
- 2017-12-23 CN CN201711410456.5A patent/CN108120929A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200997523Y (en) * | 2006-12-30 | 2007-12-26 | 三一重工股份有限公司 | Device for inspecting and alarming concrete agitating motor temperature |
| CN202255641U (en) * | 2011-08-12 | 2012-05-30 | 北京斯贝克科技有限责任公司 | Temperature warning direct-current circuit |
| CN202329857U (en) * | 2011-11-01 | 2012-07-11 | 河南恒星钢缆有限公司 | Temperature control system for distribution room of steel strand wire drawbench |
| CN103280772A (en) * | 2013-06-13 | 2013-09-04 | 成都联腾动力控制技术有限公司 | Motor controller overheating judgment and protection circuit |
| CN204064490U (en) * | 2014-08-07 | 2014-12-31 | 昆明理工大学 | A kind of temp monitoring alarm |
| CN104280146A (en) * | 2014-10-23 | 2015-01-14 | 国家电网公司 | Contact type temperature alarm for transformer substation |
| CN204535873U (en) * | 2015-03-30 | 2015-08-05 | 宋姝 | A kind of low-cost and high-precision thermometer |
| CN106940226A (en) * | 2017-05-15 | 2017-07-11 | 上海安誉智能科技有限公司 | Temperature sensor line based on temperature element |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180605 |
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| RJ01 | Rejection of invention patent application after publication |