CN203574577U - Brushless direct current motor control system and brushless direct current fan-coil unit - Google Patents
Brushless direct current motor control system and brushless direct current fan-coil unit Download PDFInfo
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- CN203574577U CN203574577U CN201320678413.6U CN201320678413U CN203574577U CN 203574577 U CN203574577 U CN 203574577U CN 201320678413 U CN201320678413 U CN 201320678413U CN 203574577 U CN203574577 U CN 203574577U
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Abstract
The utility model discloses a brushless direct current motor control system and a brushless direct current fan-coil unit. The brushless direct current motor control system comprises an alternate current drive-by-wire controller, a control device and a motor-driving device; wherein the alternate current drive-by-wire controller is used to provide a gear signal to the control device, the control device is used to process the gear signal and provide direct current bus voltage and a rotation speed adjusting voltage signal to the motor-driving device, the motor-driving device is used to receive the direct current bus voltage and the rotation speed adjusting voltage signal so as to drive a brushless direct current motor, and the motor-driving device is also used to receive a Hall feedback signal from the brushless direct current motor and return a rotation speed feedback signal to the control device. The brushless direct current motor control system can save the cost of a special drive-by-wire controller for a brushless direct current motor, can also increases the functions of the unit, and achieves the low noise and high efficiency of the direct current motor.
Description
Technical field
The utility model relates to brshless DC motor technical field, relates in particular to a kind of brushless DC motor control system and brushless DC motor fan coil pipe unit.
Background technology
Existing fan coil units is divided into alternating current machine fan coil units and brushless DC motor fan coil pipe unit.Wherein, alternating current machine fan coil units adopts and exchanges the running of line control machine control alternating current machine, and direct control interchange line control machine can directly manually be controlled three fast conversion and start and stop of alternating current machine.And the control of brshless DC motor to brushless DC motor fan coil pipe unit is with regard to more complicated, not only needs to use special direct current line control machine, also needs to be equipped with other equipment, cost is higher.But current interchange line control machine can't be used for controlling brshless DC motor.
Therefore, need a kind of brushless DC motor control system and brushless DC motor fan coil pipe unit, to solve at least in part problems of the prior art.
Utility model content
In order to overcome above-mentioned the deficiencies in the prior art, the utility model provides a kind of brushless DC motor control system, comprise and exchange line control machine, control device and motor driver, wherein, described interchange line control machine is for providing gear signal to described control device; Described control device is for processing and provide DC bus-bar voltage and rotational speed regulation voltage signal to described motor driver described gear signal; Described motor driver is used for receiving described DC bus-bar voltage and described rotational speed regulation voltage signal to drive brshless DC motor, and described motor driver is also for receiving from the Hall feedback signal of described brshless DC motor and to described control device feedback speed feedback signal.
Preferably, described control device comprises: straightening and filtering unit, and described straightening and filtering unit is used for described gear signal to carry out rectifying and wave-filtering, and provides described DC bus-bar voltage to described motor driver; Gear signal checkout gear, described gear signal checkout gear is for detecting described gear signal; Central processing unit, described central processing unit is for receiving gear signal and the described speed feedback signal after detection, and provide described rotational speed regulation voltage signal to described motor driver, between the power connection end of described central processing unit and the output of described straightening and filtering unit, be in series with successively Switching Power Supply and three terminal regulator, so that described central processing unit is powered.
Preferably, described motor driver comprises: insulated gate bipolar transistor, and described insulated gate bipolar transistor is connected with the output of described straightening and filtering unit, to receive described DC bus-bar voltage and to provide frequency conversion phase voltage to described brshless DC motor; Electric machine controller, described electric machine controller is connected with described central processing unit and described insulated gate bipolar transistor, to obtain described rotational speed regulation voltage signal and to provide power transistor drives signal to described insulated gate bipolar transistor, described electric machine controller is for being connected with described brshless DC motor, to receive described Hall feedback signal and to feed back described speed feedback signal to described central processing unit, described electric machine controller is also connected with the output of described Switching Power Supply, to obtain power supply.
Preferably, described motor driver is arranged on the inside of described control device.
Preferably, between described interchange line control machine and described control device, be connected with gear signal line and zero line.
Preferably, between described interchange line control machine and described control device, be connected with gear signal line, live wire and zero line.
Preferably, between described interchange line control machine and described control device, be connected with live wire and zero line.
The utility model also provides a kind of brushless DC motor fan coil pipe unit, has brshless DC motor, and described brushless DC motor fan coil pipe unit also has above-mentioned brushless DC motor control system.
According to brushless DC motor control system of the present utility model, by control device, the processing from the gear signal that exchanges line control machine has been realized to the control of utilization interchange line control machine to brshless DC motor.Like this, can save the cost that is equipped with special line control machine for brshless DC motor on the one hand, the low noise that also can expand on the other hand unit function and realize direct current machine is with efficient.
In utility model content part, introduced the concept of a series of reduced forms, this will further describe in embodiment part.The utility model content part does not also mean that key feature and the essential features that will attempt to limit technical scheme required for protection, does not more mean that the protection range of attempting to determine technical scheme required for protection.
Below in conjunction with accompanying drawing, describe advantage of the present utility model and feature in detail.
Accompanying drawing explanation
Following accompanying drawing of the present utility model is used for understanding the utility model in this as a part of the present utility model.Shown in the drawings of execution mode of the present utility model and description thereof, be used for explaining principle of the present utility model.In the accompanying drawings,
Fig. 1 is according to the block diagram of the brushless DC motor control system of a kind of execution mode of the utility model;
Fig. 2 is the block diagram that control device and motor driver divide the brushless DC motor control system being arranged;
Fig. 3 is the block diagram of the brushless DC motor control system of control device and the integrated setting of motor driver;
Fig. 4 is the block diagram that exchanges the brushless DC motor control system that is connected by gear signal line and zero line with control device of line control machine;
Fig. 5 is the block diagram that exchanges the brushless DC motor control system that is connected by gear signal line, live wire and zero line with control device of line control machine;
Fig. 6 is the block diagram that exchanges the brushless DC motor control system that is connected by live wire and zero line with control device of line control machine.
Embodiment
In the following description, having provided a large amount of concrete details understands the utility model more thoroughly to provide.But, it will be apparent to one skilled in the art that the utility model can be implemented without one or more these details.In other example, for fear of obscuring with the utility model, for technical characterictics more well known in the art, be not described.
In order thoroughly to understand the utility model, will detailed structure be proposed in following description.Obviously, execution of the present utility model is not limited to the specific details that those skilled in the art has the knack of.Preferred embodiment of the present utility model is described in detail as follows, but except these are described in detail, the utility model can also have other execution modes.
The utility model discloses a kind of brushless DC motor control system, as shown in Figure 1, comprise and exchange line control machine 10, control device 30 and motor driver 50.From Fig. 1, it can also be seen that, exchange line control machine 10 and connect AC power, and be connected with control device 30, to control device 30, provide gear signal.Control device 30 is processed gear signal after receiving the gear signal from interchange line control machine 10, and the DC bus-bar voltage and the rotational speed regulation voltage signal that to motor driver 50, provide are provided the result of processing.The DC bus-bar voltage that motor driver 50 provides control device 30 and rotational speed regulation voltage signal convert frequency conversion phase voltage to and offer brshless DC motor 70 again, for brshless DC motor 70 provides, start required power supply.In addition, brshless DC motor 70 can send Hall feedback signal to motor driver 50 in operation process, motor driver 50 receives this Hall feedback signal and converts thereof into speed feedback signal and is sent to control device 30, so that control device 30 can be understood the current rotating speed of brshless DC motor 70.
According to brushless DC motor control system of the present utility model, by control device, the processing from the gear signal that exchanges line control machine has been realized to the control of utilization interchange line control machine to brshless DC motor.Like this, can save the cost that is equipped with special line control machine for brshless DC motor on the one hand, the low noise that also can expand on the other hand unit function and realize direct current machine is with efficient.
The utility model one preferred embodiment in, can construct control device 30 according to the execution mode shown in Fig. 2.As can be seen from Figure 2, control device 30 comprises straightening and filtering unit 31, shift signal checkout gear 33, central processing unit 35, Switching Power Supply 37 and three terminal regulator 39.In some circuit design, the Switching Power Supply of employing can be taken into account the function of above-mentioned Switching Power Supply 37 and three terminal regulator 39 these two devices simultaneously.Wherein, straightening and filtering unit 31 receives from the gear signal that exchanges line control machine 10 with gear signal checkout gear 33 simultaneously.Straightening and filtering unit 31 carries out rectifying and wave-filtering to gear signal, and the alternating current comprising in gear signal is converted to DC bus-bar voltage.The effect of gear signal checkout gear 33 is gear signal to detect, to determine that what comprise in gear signal is which gear in low-medium-high level.The gear signal that central processing unit 35 receives after detecting, thereby know and need brshless DC motor 70 with which gear running, and the gear signal generation rotational speed regulation voltage signal after detecting is offered to motor driver 50, central processing unit 35 is also responsible for receiving the speed feedback signal being sent by motor driver 50 simultaneously.Switching Power Supply 37 and three terminal regulator 39 are connected between the output of straightening and filtering unit 31 and the power connection end of central processing unit 35 successively, thereby obtain DC bus-bar voltage from the output of straightening and filtering unit 31, are that central processing unit 35 is powered.
In the utility model another preferred embodiment, still with reference to Fig. 2, on the basis of the execution mode of above-mentioned control device 30, according to shown in Fig. 2, motor driver 50 being configured to comprise insulated gate bipolar transistor 51 and electric machine controller 53.Wherein, insulated gate bipolar transistor 51 is connected with the output of straightening and filtering unit 31, thereby obtains DC bus-bar voltage and provide the phase voltage of the frequency conversion after inversion to brshless DC motor.Electric machine controller 53 is connected with central processing unit 35 and insulated gate bipolar transistor 51, from central processing unit 35, obtains rotational speed regulation voltage signal, and to insulated gate bipolar transistor 51 transmitted power transistor driving signals (IGBT drives signal).Electric machine controller 53, also for being connected with brshless DC motor 70, to receive the Hall feedback signal of brshless DC motor 70, and is sent to central processing unit 35 by this rotating speed Hall feedback signal conversion speed feedback signal.The power supply of electric machine controller 53 need to be by being connected to realize with the output of Switching Power Supply 37.Mutually corresponding with the parts in control device 30 according to the parts in such execution mode structure motor driver 50, thus communicating by letter between control device 30 and brshless DC motor 70 guaranteed.
Three kinds of modes of connection that exchange line control machine 10 and control device 30 are described below in conjunction with Fig. 4 to Fig. 6.
First in Fig. 4, exchange the three gear signal lines and the zero line that between line control machine 10 and control device 30, are connected with expression low-medium-high level.In this mode, three gear signal lines are also equivalent to live wire simultaneously.In Fig. 5, exchange the three gear signal lines, a live wire and the zero line that between line control machine 10 and control device 30, are connected with expression low-medium-high level.Live wire and zero line are responsible for power supply, and three gear signal lines are responsible for transmitting gear signal.Finally, in Fig. 6, exchange between line control machine 10 and control device 30 and be connected and only have a live wire and a zero line.Now need brshless DC motor with constant rotation speed operation, do not need gearshift.
The invention also discloses a kind of brushless DC motor fan coil pipe unit, this brushless DC motor fan coil pipe unit has brshless DC motor, in order to use, exchange this brshless DC motor of line control machine control, this brushless DC motor fan coil pipe unit also has above-mentioned brushless DC motor control system.Like this, just do not need to use special line control machine control brshless DC motor, reduced the cost of whole brushless DC motor fan coil pipe unit.
The utility model is illustrated by above-described embodiment, but should be understood that, above-described embodiment is the object for giving an example and illustrating just, but not is intended to the utility model to be limited in described scope of embodiments.In addition it will be understood by those skilled in the art that; the utility model is not limited to above-described embodiment; according to instruction of the present utility model, can also make more kinds of variants and modifications, these variants and modifications all drop in the utility model scope required for protection.Protection range of the present utility model is defined by the appended claims and equivalent scope thereof.
Claims (8)
1. a brushless DC motor control system, is characterized in that, comprises and exchanges line control machine, control device and motor driver, wherein,
Described interchange line control machine is for providing gear signal to described control device;
Described control device is for processing and provide DC bus-bar voltage and rotational speed regulation voltage signal to described motor driver described gear signal;
Described motor driver is used for receiving described DC bus-bar voltage and described rotational speed regulation voltage signal to drive brshless DC motor, and described motor driver is also for receiving from the Hall feedback signal of described brshless DC motor and to described control device feedback speed feedback signal.
2. according to brushless DC motor control system claimed in claim 1, it is characterized in that, described control device comprises:
Straightening and filtering unit, described straightening and filtering unit is used for described gear signal to carry out rectifying and wave-filtering, and provides described DC bus-bar voltage to described motor driver;
Gear signal checkout gear, described gear signal checkout gear is for detecting described gear signal;
Central processing unit, described central processing unit is for receiving gear signal and the described speed feedback signal after detection, and provide described rotational speed regulation voltage signal to described motor driver, between the power connection end of described central processing unit and the output of described straightening and filtering unit, be in series with successively Switching Power Supply and three terminal regulator, so that described central processing unit is powered.
3. according to brushless DC motor control system claimed in claim 2, it is characterized in that, described motor driver comprises:
Insulated gate bipolar transistor, described insulated gate bipolar transistor is connected with the output of described straightening and filtering unit, to receive described DC bus-bar voltage and to provide frequency conversion phase voltage to described brshless DC motor;
Electric machine controller, described electric machine controller is connected with described central processing unit and described insulated gate bipolar transistor, to obtain described rotational speed regulation voltage signal and to provide power transistor drives signal to described insulated gate bipolar transistor, described electric machine controller is for being connected with described brshless DC motor, to receive described Hall feedback signal and to feed back described speed feedback signal to described central processing unit, described electric machine controller is also connected with the output of described Switching Power Supply, to obtain power supply.
4. according to brushless DC motor control system claimed in claim 3, it is characterized in that, described motor driver is arranged on the inside of described control device.
5. according to brushless DC motor control system claimed in claim 1, it is characterized in that, between described interchange line control machine and described control device, be connected with gear signal line and zero line.
6. according to brushless DC motor control system claimed in claim 1, it is characterized in that, between described interchange line control machine and described control device, be connected with gear signal line, live wire and zero line.
7. according to brushless DC motor control system claimed in claim 1, it is characterized in that, between described interchange line control machine and described control device, be connected with live wire and zero line.
8. a brushless DC motor fan coil pipe unit, has brshless DC motor, it is characterized in that, described brushless DC motor fan coil pipe unit also has the brushless DC motor control system described in any one in claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320678413.6U CN203574577U (en) | 2013-10-30 | 2013-10-30 | Brushless direct current motor control system and brushless direct current fan-coil unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320678413.6U CN203574577U (en) | 2013-10-30 | 2013-10-30 | Brushless direct current motor control system and brushless direct current fan-coil unit |
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| CN203574577U true CN203574577U (en) | 2014-04-30 |
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| CN201320678413.6U Expired - Lifetime CN203574577U (en) | 2013-10-30 | 2013-10-30 | Brushless direct current motor control system and brushless direct current fan-coil unit |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105375836A (en) * | 2014-08-19 | 2016-03-02 | 罗伯特·博世有限公司 | Device and method for supplying voltage to a sensor |
| CN106160590A (en) * | 2016-07-23 | 2016-11-23 | 上海本家空调系统有限公司 | A kind of direct current brushless motor coil pipe |
| CN107294439A (en) * | 2017-08-18 | 2017-10-24 | 迪百仕电机科技（苏州）有限公司 | A kind of DC motor control system |
| CN110957950A (en) * | 2019-11-25 | 2020-04-03 | 珠海凯邦电机制造有限公司 | Electronic control system of DC motor, DC motor and electrical equipment |
| WO2020113550A1 (en) * | 2018-12-07 | 2020-06-11 | Lingdong Technology (Beijing) Co.Ltd | Brushless direct-current motor using single wire to transmit information of positions of a plurality of magnets |
| CN114110959A (en) * | 2021-12-06 | 2022-03-01 | 苏州希瓦克智能科技有限公司 | Novel fan coil control system |
| CN114256850A (en) * | 2021-12-10 | 2022-03-29 | 三一重机有限公司 | Working machine voltage control method, device, circuit and working machine |
-
2013
- 2013-10-30 CN CN201320678413.6U patent/CN203574577U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105375836A (en) * | 2014-08-19 | 2016-03-02 | 罗伯特·博世有限公司 | Device and method for supplying voltage to a sensor |
| CN105375836B (en) * | 2014-08-19 | 2020-12-15 | 罗伯特·博世有限公司 | Apparatus and method for supplying voltage to sensors |
| CN106160590A (en) * | 2016-07-23 | 2016-11-23 | 上海本家空调系统有限公司 | A kind of direct current brushless motor coil pipe |
| CN107294439A (en) * | 2017-08-18 | 2017-10-24 | 迪百仕电机科技（苏州）有限公司 | A kind of DC motor control system |
| WO2020113550A1 (en) * | 2018-12-07 | 2020-06-11 | Lingdong Technology (Beijing) Co.Ltd | Brushless direct-current motor using single wire to transmit information of positions of a plurality of magnets |
| US11050371B2 (en) | 2018-12-07 | 2021-06-29 | Lingdong Technology (Beijing) Co. Ltd | Brushless direct-current motor using single wire to transmit information of positions of a plurality of magnets |
| CN110957950A (en) * | 2019-11-25 | 2020-04-03 | 珠海凯邦电机制造有限公司 | Electronic control system of DC motor, DC motor and electrical equipment |
| CN114110959A (en) * | 2021-12-06 | 2022-03-01 | 苏州希瓦克智能科技有限公司 | Novel fan coil control system |
| CN114256850A (en) * | 2021-12-10 | 2022-03-29 | 三一重机有限公司 | Working machine voltage control method, device, circuit and working machine |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JOHNSON CONTROLS AIR CONDITIONING REFRIGERATION EQ Free format text: FORMER OWNER: YORK GUANGZHOU AIR CONDITIONER AND REFRIGERATION EQUIPMENT CO., LTD. Effective date: 20150331 |
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| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 511685 QINGYUAN, GUANGDONG PROVINCE TO: 214028 WUXI, JIANGSU PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20150331 Address after: 214028 Changjiang Road, Wuxi high tech Industrial Development Zone, Jiangsu, China, No. 32 Patentee after: JOHNSON CONTROLS AIR CONDITIONING AND REFRIGERATION (WUXI) Co.,Ltd. Patentee after: JOHNSON CONTROLS TECHNOLOGY Co. Address before: Longshan Town 511685 Guangdong city in Qingyuan province Fogang County Field Management District Patentee before: YORK GUANGZHOU AIR CONDITIONING AND REFRIGERATION Co.,Ltd. Patentee before: JOHNSON CONTROLS TECHNOLOGY Co. |
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| CX01 | Expiry of patent term |
Granted publication date: 20140430 |
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| CX01 | Expiry of patent term |