CN204809847U - Single -phase brushless DC motor with temperature protect function - Google Patents
Single -phase brushless DC motor with temperature protect function Download PDFInfo
- Publication number
- CN204809847U CN204809847U CN201520470606.1U CN201520470606U CN204809847U CN 204809847 U CN204809847 U CN 204809847U CN 201520470606 U CN201520470606 U CN 201520470606U CN 204809847 U CN204809847 U CN 204809847U
- Authority
- CN
- China
- Prior art keywords
- module
- pwm pulse
- motor
- pulse bandwidth
- pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses a single -phase brushless DC motor with temperature protect function, including motor and drive plate, its characterized in that: the drive plate includes that power input module, power input end overvoltage protection module, single -phase brushless motor drive module, position sensor, FG hall position sensing signal repayment module, adjustable TSC excess temperature protection circuit, the defeated entry control of PWM pulse bandwidth modulating signal make and to hold, PWM pulse bandwidth modulating signal conversion module and overvoltage protection 0 overvoltage protection 1. The utility model discloses circuit structure is simple in the excess temperature protection, can prevent to burn out the motor because of the high temperature, and extension motor life, nimble satisfied different customers are to the worth settlement of motor different temperatures protection.
Description
Technical field
The utility model discloses a kind of single-phase brushless direct-current motor with temperature protection function, be specifically related to the improvement of condenser for refrigerator or evaporator fan motor, belong to motor control technology field.
Background technology
Condenser for refrigerator is one of heat exchanger in refrigerating system.Its effect be compressor is sent here high pressure, high temperature refrigerant gas heat be dispersed into refrigerator space outerpace.Refrigerant liquid liquefies and becomes the refrigerant liquid of high pressure, normal temperature after cooling.Refrigerator has the condenser of various ways, and it can be divided into free convection cooled and forced convertion cooled two kinds by the mode of heat radiation.Free convection cooling is the appearance utilizing ambient air naturally to flow through condenser, and the heat of condenser can be dispelled the heat; Forced convertion cooling is the appearance utilizing electric fan to force air flow through condenser, and condenser is dispelled the heat.
In prior art, condenser or evaporator do not possess overheat protector function usually, effectively can not protect motor when motor temperature is too high.And continue to use in hot environment, the consequences such as generation is such as burnt MOSFET pipe, the driving chip life-span reduces, Chip-R electric capacity original paper premature aging, and bearing grease is withered, the useful life of motor is shortened.
Utility model content
Technical problem to be solved in the utility model is: for the defect of prior art, provides a kind of single-phase brushless direct-current motor with temperature protection function, when the temperature of machine operation environment exceedes the threshold value of setting, realizes overheat protector function.
The utility model is for solving the problems of the technologies described above by the following technical solutions:
A kind of single-phase brushless direct-current motor with temperature protection function; comprise motor and drive plate thereof; described drive plate comprises Power Entry Module, power input overvoltage protective module, brushless single phase motor drive module, position transducer, FG hall position induced signal feedback module, adjustable TSC thermal-shutdown circuit, pwm pulse bandwidth modulated signals input control Enable Pin, pwm pulse bandwidth modulated signals modular converter and stator coil control module; wherein
Described Power Entry Module is that brushless single phase motor drive module is powered by power input overvoltage protective module, and the signal of the output of brushless single phase motor drive module is sent to stator coil control module;
Described adjustable TSC thermal-shutdown circuit is electrically connected with brushless single phase motor drive module;
The enable signal that described pwm pulse bandwidth modulated signals input control Enable Pin exports is by being sent to brushless single phase motor drive module after the conversion of pwm pulse bandwidth modulated signals modular converter;
Described position transducer, FG hall position induced signal feedback module are electrically connected with brushless single phase motor drive module respectively.
As further preferred version of the present utility model, what described brushless single phase motor drive module adopted is the model of being produced by Japanese ROHM semiconductor group is the chip of BD6693FV.
As further preferred version of the present utility model, described position transducer adopts hall position sensor, and the concrete model of hall position sensor is MTE300-E.
As further preferred version of the present utility model, described adjustable TSC thermal-shutdown circuit comprises thermistor, chooses the temperature protection threshold value that the thermistor of different model is corresponding different.
As further preferred version of the present utility model, described power input overvoltage protective module comprises diode and voltage stabilizing didoe, and supply voltage accesses the driving chip of brushless single phase motor drive module through described diode, described voltage stabilizing didoe ground connection.
As further preferred version of the present utility model, the concrete model of described pwm pulse bandwidth modulated signals input control Enable Pin is 58WS-1_4Pin, wherein, 3 stitch connect Power Entry Module, pwm pulse bandwidth modulated signals modular converter and FG hall position induced signal feedback module respectively, also have a stitch ground connection.
As further preferred version of the present utility model, the concrete model of integrated circuit (IC) chip used in described pwm pulse bandwidth modulated signals modular converter is RHK005N03.
As further preferred version of the present utility model; first pin ground connection of described BD6693FV chip; second pin is the second output; 3rd pin connects power input overvoltage protective module; 4th to the 6th pin connects pwm pulse bandwidth modulated signals modular converter; 7th to the 8th pin connects FG hall position induced signal feedback module; 9th to the 11 pin connects hall position sensor; 12,13,16 pins in parallel compositions select control loop; 15 pin is the first output, and the 14 pin is vacant.
The utility model adopts above technical scheme compared with prior art, has following technique effect:
1) the too high motor damage of Yin Wendu can be prevented.
2) motor useful life can be extended.
3 can meet the setting of different client to motor different temperatures protection value flexibly.
4) thermal-shutdown circuit structure is simple.
Accompanying drawing explanation
Fig. 1 is system configuration circuit block diagram of the present utility model.
Fig. 2 is the circuit connection diagram of a kind of embodiment of the utility model.
Embodiment
Be described below in detail execution mode of the present utility model, the example of described execution mode is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the execution mode be described with reference to the drawings, only for explaining the utility model, and can not being interpreted as restriction of the present utility model.
Below in conjunction with accompanying drawing, the technical solution of the utility model is described in further detail:
System configuration circuit block diagram of the present utility model as shown in Figure 1, the described single-phase brushless direct-current motor with temperature protection function, comprise motor and drive plate thereof, described drive plate comprises Power Entry Module, power input overvoltage protective module, brushless single phase motor drive module, position transducer, FG hall position induced signal feedback module, adjustable TSC thermal-shutdown circuit, pwm pulse bandwidth modulated signals input control Enable Pin, pwm pulse bandwidth modulated signals modular converter and stator coil control module, wherein, described Power Entry Module is that brushless single phase motor drive module is powered by power input overvoltage protective module, the signal of the output output of brushless single phase motor drive module is sent to stator coil control module, the Signal transmissions that described adjustable TSC thermal-shutdown circuit produces is to brushless single phase motor drive module, the enable signal that described pwm pulse bandwidth modulated signals input control Enable Pin exports is by being sent to brushless single phase motor drive module after the conversion of pwm pulse bandwidth modulated signals modular converter, the output of described position transducer, FG hall position induced signal feedback module is electrically connected with brushless single phase motor drive module respectively.The main composition of brushless single phase motor drive module is that brushless single phase motor drives master chip.
Power Entry Module by power input overvoltage protective module to the detection of input power and protection for brushless single phase motor drive master chip power supply is provided, pwm pulse bandwidth modulation signals input control Enable Pin sends pulse signal to pwm pulse bandwidth modulated signals modular converter, the pulse signal received is converted to linear voltage signal by pwm pulse bandwidth modulated signals modular converter, and output to brushless single phase motor driving master chip, the temperature of thermistor to circuit is adopted to respond in adjustable TSC thermal-shutdown circuit, then temperature signal is sent to brushless single phase motor and drives master chip, then the position that hall position sensor detects stator coil is sent to brushless single phase motor driving master chip, brushless single phase motor drives master chip to analyze the signal of hall position sensor transmission, brushless single phase motor drives master chip the signal of analysis to be sent to FG hall position induced signal feedback module simultaneously, brushless single phase motor drives master chip to transmit control signal to stator coil control module.
The circuit connection diagram of a kind of embodiment of the utility model as shown in Figure 2, the brushless single phase motor selected drives the concrete model of master chip to be BD6693FV, this chip has stable performance, multiple functional, feature low in energy consumption, long perfomance life, is used in the work that can ensure motor lasting stability in motor-drive circuit.
Hall position sensor is a kind of magnetic field sensor of inspected object position.Magnetic field and change thereof can be detected with them, can use in the various occasion relevant with magnetic field.Hall position sensor is its working foundation with Hall effect principle.Hall position sensor has many advantages, their sound construction, and volume is little, lightweight, and the life-span is long, easy for installation, and power consumption is little, and frequency high (can reach 1MHZ), vibration resistance, is not afraid of pollution or the corrosion of dust, greasy dirt, steam and salt fog etc.The concrete model of hall position sensor is MTE300-E.
Adjustable TSC thermal-shutdown circuit comprises thermistor, chooses the temperature protection threshold value that the thermistor of different model is corresponding different.
Power input overvoltage protective module comprises diode and voltage stabilizing didoe; supply voltage drives master chip through described diode access brushless single phase motor; voltage stabilizing didoe ground connection; the power supply of power input overvoltage protective module to input is monitored; when overpressure problems appears in supply voltage, circuit is shielded.
The concrete model of pwm pulse bandwidth modulated signals input control Enable Pin is 58WS-1_4Pin, wherein, 3 stitch connect Power Entry Module, pwm pulse bandwidth modulated signals modular converter and FG hall position induced signal feedback module respectively, also have a stitch ground connection.
The concrete model of integrated circuit (IC) chip used in pwm pulse bandwidth modulated signals modular converter is RHK005N03.
First pin ground connection of BD6693FV chip; second pin is the second output; 3rd pin connects power input overvoltage protective module; 4th to the 6th pin connects pwm pulse bandwidth modulated signals modular converter; 7th to the 8th pin connects FG hall position induced signal feedback module, and the 9th to the 11 pin connects hall position sensor, and the 12,13,16 pins in parallel compositions select control loop; 15 pin is the first output, and the 14 pin is vacant.
By reference to the accompanying drawings execution mode of the present utility model is explained in detail above, but the utility model is not limited to above-mentioned execution mode, in the ken that those of ordinary skill in the art possess, can also make a variety of changes under the prerequisite not departing from the utility model aim.The above, it is only preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, although the utility model discloses as above with preferred embodiment, but and be not used to limit the utility model, any those skilled in the art, do not departing within the scope of technical solutions of the utility model, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be do not depart from technical solutions of the utility model content, according to technical spirit of the present utility model, within spirit of the present utility model and principle, to any simple amendment that above embodiment is done, equivalent replacement and improvement etc., within the protection range all still belonging to technical solutions of the utility model.
Claims (8)
1. one kind has the single-phase brushless direct-current motor of temperature protection function; comprise motor and drive plate thereof; it is characterized in that: described drive plate comprises Power Entry Module, power input overvoltage protective module, brushless single phase motor drive module, position transducer, FG hall position induced signal feedback module, adjustable TSC thermal-shutdown circuit, pwm pulse bandwidth modulated signals input control Enable Pin, pwm pulse bandwidth modulated signals modular converter and stator coil control module; wherein
Described Power Entry Module is that brushless single phase motor drive module is powered by power input overvoltage protective module, and the signal of the output of brushless single phase motor drive module is sent to stator coil control module;
Described adjustable TSC thermal-shutdown circuit is electrically connected with brushless single phase motor drive module;
The enable signal that described pwm pulse bandwidth modulated signals input control Enable Pin exports is by being sent to brushless single phase motor drive module after the conversion of pwm pulse bandwidth modulated signals modular converter;
Described position transducer, FG hall position induced signal feedback module are electrically connected with brushless single phase motor drive module respectively.
2. a kind of single-phase brushless direct-current motor with temperature protection function as claimed in claim 1, is characterized in that: what described brushless single phase motor drive module adopted is the model of being produced by Japanese ROHM semiconductor group is the chip of BD6693FV.
3. a kind of single-phase brushless direct-current motor with temperature protection function as claimed in claim 1, is characterized in that: described position transducer adopts hall position sensor, and the concrete model of hall position sensor is MTE300-E.
4. a kind of single-phase brushless direct-current motor with temperature protection function as claimed in claim 1, is characterized in that: described adjustable TSC thermal-shutdown circuit comprises thermistor, chooses the temperature protection threshold value that the thermistor of different model is corresponding different.
5. a kind of single-phase brushless direct-current motor with temperature protection function as claimed in claim 2; it is characterized in that: described power input overvoltage protective module comprises diode and voltage stabilizing didoe; supply voltage accesses driving chip through described diode, described voltage stabilizing didoe ground connection.
6. a kind of single-phase brushless direct-current motor with temperature protection function as claimed in claim 1; it is characterized in that: the concrete model of described pwm pulse bandwidth modulated signals input control Enable Pin is 58WS-1_4Pin; wherein; 3 stitch connect Power Entry Module, pwm pulse bandwidth modulated signals modular converter and FG hall position induced signal feedback module respectively, also have a stitch ground connection.
7. a kind of single-phase brushless direct-current motor with temperature protection function as claimed in claim 1, is characterized in that: the concrete model of integrated circuit (IC) chip used in described pwm pulse bandwidth modulated signals modular converter is RHK005N03.
8. a kind of single-phase brushless direct-current motor with temperature protection function as claimed in claim 2, it is characterized in that: the first pin ground connection of described BD6693FV chip, second pin is the second output, 3rd pin connects power input overvoltage protective module, 4th to the 6th pin connects pwm pulse bandwidth modulated signals modular converter, 7th to the 8th pin connects FG hall position induced signal feedback module, 9th to the 11 pin connects position transducer, 12, 13, 16 pins in parallel compositions select control loop, 15 pin is the first output, 14 pin is vacant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520470606.1U CN204809847U (en) | 2015-07-02 | 2015-07-02 | Single -phase brushless DC motor with temperature protect function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520470606.1U CN204809847U (en) | 2015-07-02 | 2015-07-02 | Single -phase brushless DC motor with temperature protect function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204809847U true CN204809847U (en) | 2015-11-25 |
Family
ID=54594611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520470606.1U Active CN204809847U (en) | 2015-07-02 | 2015-07-02 | Single -phase brushless DC motor with temperature protect function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204809847U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107728598A (en) * | 2016-08-12 | 2018-02-23 | 发那科株式会社 | Control device of electric motor, control method and computer-readable medium |
| CN109799000A (en) * | 2019-03-25 | 2019-05-24 | 江苏雷利电机股份有限公司 | Detection method, temperature detection model, equipment and the system of motor winding temperature |
-
2015
- 2015-07-02 CN CN201520470606.1U patent/CN204809847U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107728598A (en) * | 2016-08-12 | 2018-02-23 | 发那科株式会社 | Control device of electric motor, control method and computer-readable medium |
| CN107728598B (en) * | 2016-08-12 | 2019-08-13 | 发那科株式会社 | Control device of electric motor, control method and computer-readable medium |
| CN109799000A (en) * | 2019-03-25 | 2019-05-24 | 江苏雷利电机股份有限公司 | Detection method, temperature detection model, equipment and the system of motor winding temperature |
| CN109799000B (en) * | 2019-03-25 | 2020-08-11 | 江苏雷利电机股份有限公司 | Detection method, temperature detection model, equipment and system for motor winding temperature |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103312262A (en) | Motor drive device, fluid compression system and air conditioner | |
| CN103196212B (en) | Brushless electric machine air-conditioning system indoor motor control circuit | |
| CN103199496B (en) | Motor speed regulating voltage Vsp cut-off circuit of air conditioning system of brushless motor | |
| CN107339783B (en) | Dual-system air conditioner control system | |
| CN204809847U (en) | Single -phase brushless DC motor with temperature protect function | |
| CN204559320U (en) | A kind of motor | |
| CN102644503A (en) | Electric control system and method for cooling fan of automobile engine | |
| CN102545746A (en) | Novel speed regulator for automotive air conditioner fan and working method thereof | |
| CN110306621A (en) | Engine energy-saving cooling system and excavator | |
| CN103197699B (en) | DC brushless motor Air-condition system control circuit | |
| CN2532524Y (en) | Refrigerator for CPU | |
| CN202946230U (en) | Electric-drive independent temperature control cooling system | |
| CN204259262U (en) | A kind of overtemperature protection module of LED actuation temperature warning circuit | |
| CN105317521B (en) | A kind of electric engine cooling fan multilevel control system | |
| CN103199776A (en) | Circuit for switching fixed rotating speed and adjustable rotating speed of outdoor direct-current motor of air-conditioner | |
| CN205158163U (en) | Server liquid cooling heat energy -saving control system that looses | |
| CN203151077U (en) | Motor speed adjusting voltage Vsp shutdown circuit of brushless motor air-conditioning system | |
| CN205206932U (en) | Electronic cooling fan multilevel control system of engine | |
| CN210693692U (en) | Novel environment-friendly energy-saving motor | |
| CN104393817A (en) | Motor driving method and device, air-conditioner and electric appliance | |
| CN203163173U (en) | Indoor motor control circuit for brushless motor air-conditioning system | |
| CN205227991U (en) | Machinery refrigerator low temperature automatic compensation controller | |
| CN205811519U (en) | A kind of vehicle-mounted overload protecting circuit having brush fan controlled based on PWM | |
| CN104500207B (en) | The control method of electromagnetic clutch fan | |
| CN205563312U (en) | Take fan control circuit's servo driver |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |