CN201590795U - Electrical appliance control system - Google Patents
Electrical appliance control system Download PDFInfo
- Publication number
- CN201590795U CN201590795U CN2009200580849U CN200920058084U CN201590795U CN 201590795 U CN201590795 U CN 201590795U CN 2009200580849 U CN2009200580849 U CN 2009200580849U CN 200920058084 U CN200920058084 U CN 200920058084U CN 201590795 U CN201590795 U CN 201590795U
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- brushless motor
- control system
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- interface module
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Abstract
The utility model provides an electrical appliance control system which comprises a DC brushless motor and a system controller. The electrical appliance control system is characterized in that: an interface circuit module is arranged between the DC brushless motor and the system controller, and a motor speed control signal output by the system controller is input into the DC brushless motor after being converted by the interface circuit module into an analog signal that the DC brushless motor can identify and execute. The interface circuit module comprises a signal conversion basic unit and a power supply part, wherein the signal conversion basic unit is composed of an input signal processing circuit, an isolating circuit and a signal processing conversion circuit. The electrical appliance control system realizes the innovative control technology of the DC brushless motor and leads electrical equipment to save energy, be friendly to the environment, and achieve high controllable degree of intelligence, good speed regulating performance and high reliability. As the DC brushless motor can be applied without changing the original electrical appliance control system, the developing and using costs are saved, and the developing period is shortened. The interface circuit module is simple in circuit structure, needs low manufacturing cost and can be easily realized.
Description
Technical field
The utility model relates to a kind of electrical apparatus control system.
Background technology
In recent years, the field of household appliances competition was growing more intense, and product technology is required to improve constantly, as require product energy-conserving and environment-protective, the intelligent degree height of controllability, construction cycle weak point etc.Core component as home appliance---motor becomes the critical component that solves the problems of the technologies described above, for example undoubtedly, adopt alternating current machine in field of air conditioning, this alternating current machine is worked under the control of electrical apparatus control system more, and efficient is low, relatively power consumption, noise is also big, and the controllability degree of intelligence is low.
Development along with motor technology, dc brushless motor has appearred, dc brushless motor has energy-conserving and environment-protective, reliability and controllability all than higher, characteristics such as noise is little, easy realization intellectuality, can solve the deficiency of alternating current machine, if but directly replace alternating current machine original in the electric equipment with dc brushless motor, must develop the cover DC control system suitable mutually again with dc brushless motor, so, will bring very big inconvenience and increase cost of developing and R﹠D cycle to the client, make this scheme be difficult to promote.
The utility model content
The purpose of this utility model provides a kind of electrical apparatus control system, electrical apparatus control system removes to control dc brushless motor by interface module, original electrical apparatus control system need not be changed and just dc brushless motor can be used, save exploitation and use cost, shorten the construction cycle, make full use of the advantage that dc brushless motor has, enhance product performance.
The technical solution of the utility model is as follows:
A kind of electrical apparatus control system, comprise dc brushless motor, system controller, between dc brushless motor and system controller, interface module is set, the motor speed control signal of system controller output, convert the analog signal that dc brushless motor can be discerned execution to through interface module, be input to dc brushless motor.
Above-mentioned analog signal can be the voltage-type signal, also can be the current mode signal.
The said system controller can be exported the several speed control signal to interface module, and interface module converts above-mentioned several speed control signal to one tunnel analog signal, is input to dc brushless motor.
The several speed control signal of said system controller output varies in size, and the analog signal amplitude that interface module produces is also different, and the control brshless DC motor runs on the rotating speed of expectation.
Above-mentioned dc brushless motor has 5 inputs, be respectively: high-voltage DC power supply input, control are connected to the brushless motor speed control input end with low-voltage dc power supply input, common ground end, speed feedback output and speed control input, the analog signal of interface module output.
Above-mentioned dc brushless motor high-voltage DC power supply input, control are connected on the DC power supply device that electric system provides with low-voltage dc power supply input, common ground end, and the motor speed control input end is connected with the output of interface module.
The speed feedback output of above-mentioned dc brushless motor is connected to interface module.
Above-mentioned interface module comprises that input signal treatment circuit, buffer circuit, signal processing change-over circuit, power unit constitute.
Above-mentioned power unit comprises regulator rectifier circuit and DC/DC translation circuit, the regulator rectifier circuit input is connected with one road speed control signal of system controller, and the high-voltage DC power supply input of dc brushless motor, low-voltage dc power supply input, earth terminal couple together with the corresponding port of power unit.
Above-mentioned power unit can be connected on the DC power supply device that electric system provides.
The utility model compared with prior art has following advantage: 1) by the interface module between dc brushless motor and the electrical apparatus control system, it connects together dc brushless motor with electrical apparatus control system, played the effect of bridge, it is under the situation that electrical apparatus control system is kept, realized the innovation control technology of dc brushless motor, made electric equipment energy-conserving and environment-protective, the intelligent degree height of controllability, good speed adjustment features, good reliability; 2) the electrical appliance control system removes to control dc brushless motor by interface module, need not change original electrical apparatus control system and just can use dc brushless motor, save exploitation and use cost, shorten the construction cycle, make full use of the advantage that dc brushless motor has, enhance product performance; 3) the interface module circuit structure is simple, and low cost of manufacture realizes easily.
Description of drawings:
Fig. 1 is the wiring schematic diagram of existing dc brushless motor;
Fig. 2 is the wiring schematic diagram of existing electrical apparatus control system;
Fig. 3 is first kind of execution mode of the utility model electrical apparatus control system;
Fig. 4 is the circuit block diagram of the interface module of corresponding diagram 3;
Fig. 5 is the schematic diagram of conversion of signals elementary cell of the present utility model;
Fig. 6 is the schematic diagram after the conversion of signals elementary cell of Fig. 6 is improved;
Fig. 7 is second kind of execution mode of the utility model electrical apparatus control system;
Fig. 8 is the circuit block diagram of the interface module of corresponding diagram 8;
Fig. 9 is the circuit diagram of Fig. 8 correspondence;
Figure 10 is second kind of execution mode of the utility model electrical apparatus control system;
Figure 11 is that Figure 10 relative interface circuit module is implemented block diagram.
Embodiment:
As shown in Figure 1, present dc brushless motor generally has 5 terminals to be connected with extraneous DC control system, these 5 terminals are respectively: high-voltage DC power supply input Vm, be generally 310V, low-voltage dc power supply input Vcc, be generally the 15V direct current, earth terminal GDN, speed feedback output FG are generally frequency signal, speed control input Vsp is the voltage signal of 0-6.5V.
As shown in Figure 2, existing electrical apparatus control system, electric equipments such as room conditioning system, fan for example, its system controller output AC signal generally has four terminals to be connected with alternating current machine, is respectively: H, M, L, C, wherein H represents the ac voltage signal that runs up, M represents the ac voltage signal of medium speed's running, and L represents the ac voltage signal of low-speed running, and C is a common terminal.
Embodiment one: as shown in Figure 3, a kind of electrical apparatus control system of the present utility model, comprise dc brushless motor, system controller, between dc brushless motor and system controller, interface module is set, the motor speed control signal of system controller output, convert the analog signal that dc brushless motor can be discerned execution to through interface module, be input to dc brushless motor.Above-mentioned analog signal can be the voltage-type signal, also can be the current mode signal.System controller can be exported several speed control signal H, M, L are input to interface module, and interface module converts above-mentioned several speed control signal to one tunnel analog signal Vsp, is input to dc brushless motor.The several speed control signal of system controller output varies in size, and the analog signal amplitude that interface module produces is also different, and the control brshless DC motor runs on the rotating speed of expectation.5 terminals Vm, Vcc of dc brushless motor, GDN, FG, Vsp directly are connected with interface module.
As shown in Figure 4, interface module comprises conversion of signals elementary cell and the power unit of being made up of input signal treatment circuit, buffer circuit, signal processing change-over circuit.Power unit comprises regulator rectifier circuit and DC/DC translation circuit, the regulator rectifier circuit input is connected with one road speed control signal of system controller, and the high-voltage DC power supply input (Vm) of dc brushless motor, low-voltage dc power supply input (Vcc), earth terminal (GDN) couple together with the corresponding port of power unit.A plurality of conversion of signals elementary cells rear is provided with microprocessor, and a plurality of conversion of signals elementary cells convert one tunnel analog signal to and output to microprocessor, and microprocessor is provided with delivery outlet Vsp and input feedback port FG.
Wherein resistance R 12, R13, the R14 of signal processing change-over circuit are adjustable resistances, the convenient magnitude of voltage of adjusting the Vsp of output.As shown in Figure 5, the conversion of signals elementary cell comprises by input signal treatment circuit, buffer circuit, signal processing change-over circuit, as shown in Figure 6, can also be provided with output signal processing circuit at signal processing change-over circuit rear, output signal processing circuit can be a signal amplifier.
Embodiment two: as Fig. 7, shown in Figure 8, embodiment two is with embodiment one difference: interface module does not have built-in power, need power in the DC power supply by system controller, an interface module output speed control signal Vsp connects with the corresponding terminals of dc brushless motor, and the speed feedback output FG of dc brushless motor is unsettled.
As shown in Figure 9, the high-speed output end signal H of device control system passes through by resistance R 2, R7, R8, rectifier diode D8, the input signal treatment circuit that capacitor C 13 is formed, pass through the photoelectric coupling circuit U1 in the buffer circuit again, the signal processing change-over circuit of being made up of resistance R 12, R16, R23 and capacitor C 17 is handled back output Vsp at last.The middling speed output end signal M of electrical apparatus control system is by resistance R 3, R4, R9, rectifier diode D9, the input signal treatment circuit that capacitor C 14 is formed, pass through the photoelectric coupling circuit U2 in the buffer circuit again, the signal processing change-over circuit of being made up of resistance R 13, R17, R23 and capacitor C 18 is handled back output Vsp at last.The low speed output end signal L of electrical apparatus control system is by resistance R 5, R6, R10, rectifier diode D10, the input signal treatment circuit that capacitor C 15 is formed, pass through the photoelectric coupling circuit U3 in the buffer circuit again, the signal processing change-over circuit of being made up of resistance R 14, R18, R23 and capacitor C 19 is handled back output Vsp at last.
Embodiment three: as Figure 10, shown in Figure 11, embodiment three is with embodiment two differences: a plurality of conversion of signals elementary cells rear is provided with microprocessor, a plurality of conversion of signals elementary cells convert one tunnel analog signal to and output to microprocessor, and microprocessor is provided with output signal Vsp and input feedback port FG.Microprocessor connects Programmable Logic Controller so that read the motor service data and revise the motor working procedure.
Claims (8)
1. electrical apparatus control system, comprise dc brushless motor, system controller, it is characterized in that: between dc brushless motor and system controller, interface module is set, the motor speed control signal of system controller output, convert the analog signal that dc brushless motor can be discerned execution to through interface module, be input to dc brushless motor.
2. a kind of electrical apparatus control system according to claim 1, it is characterized in that: system controller can be exported the several speed control signal to interface module, interface module converts above-mentioned several speed control signal to one tunnel analog signal, is input to dc brushless motor.
3. a kind of electrical apparatus control system according to claim 1 and 2, it is characterized in that: dc brushless motor has 5 inputs, be respectively: high-voltage DC power supply input (Vm), control are connected to brushless motor speed control input end (Vsp) with low-voltage dc power supply input (Vcc), common ground end (GDN), speed feedback output (FG) and speed control input (Vsp), the analog signal of interface module output.
4. a kind of electrical apparatus control system according to claim 3, it is characterized in that: the high-voltage DC power supply input (Vm) of dc brushless motor, control are connected on the DC power supply device that electric system provides with low-voltage dc power supply input (Vcc), common ground end (GDN), and motor speed control input end (Vsp) is connected with the output of interface module.
5. a kind of electrical apparatus control system according to claim 3 is characterized in that: the speed feedback output (FG) of dc brushless motor is connected to interface module.
6. a kind of electrical apparatus control system according to claim 3 is characterized in that: interface module comprises conversion of signals elementary cell and the power unit of being made up of input signal treatment circuit, buffer circuit, signal processing change-over circuit.
7. a kind of electrical apparatus control system according to claim 6, it is characterized in that: power unit comprises regulator rectifier circuit and DC/DC translation circuit, the regulator rectifier circuit input is connected with one road speed control signal of system controller, and the high-voltage DC power supply input (Vm) of dc brushless motor, low-voltage dc power supply input (Vcc), earth terminal (GDN) couple together with the corresponding port of power unit.
8. a kind of electrical apparatus control system according to claim 6 is characterized in that: power unit can be connected on the DC power supply device that electric system provides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200580849U CN201590795U (en) | 2009-06-06 | 2009-06-06 | Electrical appliance control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200580849U CN201590795U (en) | 2009-06-06 | 2009-06-06 | Electrical appliance control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201590795U true CN201590795U (en) | 2010-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200580849U Expired - Lifetime CN201590795U (en) | 2009-06-06 | 2009-06-06 | Electrical appliance control system |
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| CN (1) | CN201590795U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012142755A1 (en) * | 2011-04-20 | 2012-10-26 | 中山大洋电机制造有限公司 | Converting sub-circuit board of interface signals of electronically commutated motor |
| CN103309251A (en) * | 2012-03-16 | 2013-09-18 | 中山大洋电机股份有限公司 | Electric appliance control system for realizing high-efficiency control and signal conversion board thereof |
| CN103856119A (en) * | 2014-03-27 | 2014-06-11 | 常州祥明电机有限公司 | Three-speed switch converter used in brushless direct-current motor |
| CN104184262A (en) * | 2013-05-20 | 2014-12-03 | 松下电器产业株式会社 | Motor with built-in drive circuit |
| CN105024592A (en) * | 2014-04-25 | 2015-11-04 | 中山大洋电机股份有限公司 | BLDC motor fault state feedback method and application BLDC motor, air-conditioning system |
| CN105785844A (en) * | 2014-12-24 | 2016-07-20 | 中山大洋电机股份有限公司 | Isolation speed regulation interface circuit and electric appliance system adopting the same |
| CN113824372A (en) * | 2021-09-02 | 2021-12-21 | 珠海格力电器股份有限公司 | Motor built-in controller driving software upgrading compatible circuit and motor equipment |
-
2009
- 2009-06-06 CN CN2009200580849U patent/CN201590795U/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102934351B (en) * | 2011-04-20 | 2016-08-17 | 中山大洋电机制造有限公司 | A kind of daughter circuit board for conversion of interface signals of electronic commutation motor |
| CN102934351A (en) * | 2011-04-20 | 2013-02-13 | 中山大洋电机制造有限公司 | Converting sub-circuit board of interface signals of electronically commutated motor |
| WO2012142755A1 (en) * | 2011-04-20 | 2012-10-26 | 中山大洋电机制造有限公司 | Converting sub-circuit board of interface signals of electronically commutated motor |
| CN103309251A (en) * | 2012-03-16 | 2013-09-18 | 中山大洋电机股份有限公司 | Electric appliance control system for realizing high-efficiency control and signal conversion board thereof |
| WO2013134982A1 (en) * | 2012-03-16 | 2013-09-19 | 中山大洋电机股份有限公司 | Electrical appliance control system for achieving high-efficiency control and signal conversion board thereof |
| CN104184262B (en) * | 2013-05-20 | 2016-10-05 | 松下电器产业株式会社 | The motor of built-in drive circuit |
| CN104184262A (en) * | 2013-05-20 | 2014-12-03 | 松下电器产业株式会社 | Motor with built-in drive circuit |
| CN103856119A (en) * | 2014-03-27 | 2014-06-11 | 常州祥明电机有限公司 | Three-speed switch converter used in brushless direct-current motor |
| CN105024592A (en) * | 2014-04-25 | 2015-11-04 | 中山大洋电机股份有限公司 | BLDC motor fault state feedback method and application BLDC motor, air-conditioning system |
| CN105024592B (en) * | 2014-04-25 | 2017-11-10 | 中山大洋电机股份有限公司 | A kind of BLDC electrical faults State Feedback Approach and application BLDC motors, air-conditioning system |
| CN105785844A (en) * | 2014-12-24 | 2016-07-20 | 中山大洋电机股份有限公司 | Isolation speed regulation interface circuit and electric appliance system adopting the same |
| CN105785844B (en) * | 2014-12-24 | 2018-05-08 | 中山大洋电机股份有限公司 | It is a kind of to isolate speed governing interface circuit and apply its electrical equipment system |
| US10135370B2 (en) | 2014-12-24 | 2018-11-20 | Zhongshan Broad-Ocean Motor Co., Ltd. | Interface circuit and electrical appliance system comprising the same |
| CN113824372A (en) * | 2021-09-02 | 2021-12-21 | 珠海格力电器股份有限公司 | Motor built-in controller driving software upgrading compatible circuit and motor equipment |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100922 |