CN202374145U - Electronic alternating current asynchronous motor - Google Patents
Electronic alternating current asynchronous motor Download PDFInfo
- Publication number
- CN202374145U CN202374145U CN2011205393850U CN201120539385U CN202374145U CN 202374145 U CN202374145 U CN 202374145U CN 2011205393850 U CN2011205393850 U CN 2011205393850U CN 201120539385 U CN201120539385 U CN 201120539385U CN 202374145 U CN202374145 U CN 202374145U
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- Prior art keywords
- frequency
- induction motor
- variable controller
- motor
- alternating current
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Abstract
The utility model discloses an electronic alternating current asynchronous motor, which comprises an alternating current asynchronous motor and a variable frequency controller, wherein the variable frequency controller is arranged inside the alternating current asynchronous motor; and an output end of the variable frequency controller is connected with the alternating current asynchronous motor. The alternating current asynchronous motor which is high in reliability and low in cost and the variable frequency controller are designed into a whole, and the electronic alternating current asynchronous motor is small in volume, compact in structure and convenient to install; by integrating the variable frequency controller into the motor, the motor is smoothly turned on, slightly influences a power grid, and is low in electromagnetic interference and low in noise; and the motor can be easily controlled by using a weak current control signal or a communication signal instead of a power control circuit.
Description
Technical field
The utility model relates to a kind of motor, in particular a kind of electronic type AC induction motor.
Background technology
Traditional motor and controller thereof are two independent parts.When the motor of low-voltage power supply uses, generally be that the DC24V DC power supply is directly supplied power to direct current machine through control switch to the controller power supply or by power supply, motor is divided into has brush direct current machine and brshless DC motor, the no speed-regulating function of motor itself.There is the brush direct current machine can not need controller, can not speed governing, but directly the impulse current of starter motor is big, big to electric network influencing, electromagnetic interference is big, and must the periodic replacement carbon brush; Brshless DC motor must outer be joined controller, and it is big to take volume, in the motor permanent magnet is arranged simultaneously, and motor cost is than higher, and reliability is not as asynchronous machine.The shortcoming of above-mentioned two kinds of motors is that noise is bigger, and electromagnetic radiation is strong.
Summary of the invention
Goal of the invention: the purpose of the utility model is to overcome the deficiency of prior art; A kind of electronic type AC induction motor is provided; Under the prerequisite that does not increase size, combine AC induction motor and frequency-variable controller, substituting has the brush direct current machine; For the equipment of DC24V DC power supply provides power, and realize Electric Machine Control.
Technical scheme: the utility model is realized through following technical scheme; The utility model comprises AC induction motor and frequency-variable controller; Said frequency-variable controller is arranged on the inside of AC induction motor, and the output of frequency-variable controller links to each other with AC induction motor.
Said AC induction motor comprises front end housing, rear end cap, stator, rotor, electric connector, cylindrical shell and box body; Wherein: front end housing is arranged on the front end of cylindrical shell; Rear end cap is arranged on the rear end of cylindrical shell; Electric connector is arranged on the rear end cap, and stator and rotor are positioned at barrel, and rear end cap links to each other with box body; Frequency-variable controller is fixed on the rear end cap and is positioned at box body, and the output of frequency-variable controller links to each other with stator.
Open box body for ease repair and maintenance is carried out in its inside, said box body is provided with cover plate.
Be provided with binding post in the said box body, an end of said binding post and the output of frequency-variable controller link to each other, and the other end links to each other with stator.
Said rear end cap is provided with the conductive rubber sealing strip, plays the effect of waterproof, sealing and shielding.
Said electric connector is provided with power supply air plug and signal air plug, and said power supply air plug links to each other with frequency-variable controller respectively with the signal air plug.
Beneficial effect: the relative prior art of the utility model has the following advantages, the utility model highly reliable, AC induction motor and frequency-variable controller are designed to one cheaply, volume is little, compact conformation is easy for installation; Because the inside of motor is integrated frequency-variable controller, electric motor starting is steady, and is little to electric network influencing, and electromagnetic interference is little, and noise is little; Control to motor need not used power control circuit, only needs light current control signal or signal of communication just can realize control to motor, and control is simple.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the structural representation of frequency-variable controller.
Embodiment
Embodiment in the face of the utility model elaborates down; Present embodiment is being to implement under the prerequisite with the utility model technical scheme; Provided detailed execution mode and concrete operating process, but the protection range of the utility model is not limited to following embodiment.
As depicted in figs. 1 and 2; Present embodiment comprises AC induction motor 1 and frequency-variable controller 2, and AC induction motor 1 comprises front end housing 100, rear end cap 101, stator 102, rotor 103, electric connector 104, cylindrical shell 105, box body 106, fore bearing 107, rear bearing 108 and rotating shaft 109; Wherein: front end housing 100 is arranged on the front end of cylindrical shell 105; Rear end cap 101 is arranged on the rear end of cylindrical shell 105; Electric connector 104 is arranged on the rear end cap 101, and stator 102 is positioned at cylindrical shell 105 inside with rotor 103, and rear end cap 101 links to each other with box body 106; Fore bearing 107 is arranged at respectively in the rotating shaft 109 with rear bearing 108; Rear bearing 108 is provided with and is used to prevent and treat the wavy spring pad 110 that the bearing jumping is scurried, and rear end cap 101 is provided with conductive rubber sealing strip 111 to realize water-tight, and front end housing 100 is provided with oil sealing 112 and prevents leakage of oil.
Frequency-variable controller 2 is a low pressure three phase variable frequency controller in the present embodiment, and frequency-variable controller 2 is fixed on the rear end cap 101 through screw and is positioned at box body 106, and the lead-out wire of stator 102 is drawn also from rear end cap 101 and linked to each other with the three-phase output end of frequency-variable controller 2.Open box body 106 for ease the frequency-variable controller 2 of its inside is carried out repair and maintenance, box body 106 is provided with cover plate 113.Be provided with binding post 114 in the box body 106, an end of binding post 114 links to each other with the three-phase output end of frequency-variable controller 2, and the other end links to each other with stator 102.Electric connector 104 is provided with power supply air plug 115 and signal air plug 116, and power supply air plug 115 links to each other with frequency-variable controller 2 respectively with signal air plug 116.Power supply air plug 115 connects the DC24V DC power supply, and signal air plug 116 is connected letter signal or control signal.
As shown in Figure 3; Frequency-variable controller 2 in the present embodiment converts DC power supply into AC power through drive circuit 201 and three phase full bridge inverter circuit 202, and frequency-variable controller 2 adopts DSP to carry out VFC, after the DC power supply input; The pwm signal Driven MOSFET pipe of DSP output; The output of realization three-phase sine-wave, three-phase sine-wave outputs to AC induction motor 1, realizes the control to AC induction motor 1.The MOSFET pipe is welded on the aluminium base and is fixed in the box body 106, improves the integral heat sink performance.Because the operating current waveform is sinusoidal wave, it is high to drive efficient, and electromagnetic radiation is little, and noise is little.Owing to adopt frequency conversion drive, do not have the impulse current of startup, stable working.
Owing to adopt DSP to control, can realize that Electric Machine Control, state-detection and fault report.Frequency-variable controller 2 is connected with master controller 3; Current sampling circuit and voltage sampling circuit can be set in master controller 3 gather the electric current and the voltage signal of frequency-variable controller 2; Frequency-variable controller 2 is transferred to master controller 3 with detection signal; Master controller 3 outputs a control signal to frequency-variable controller 2; Master controller 3 can be transferred to host computer 4 through communication interfaces such as CAN, RS485, RS232 or LIN with the state of frequency-variable controller 2, receives control command that host computer 4 assigns and reports fault message.
Because realized the integrated of AC induction motor 1 and frequency-variable controller 2, AC induction motor 1 is easy for installation, control is convenient, and the use field with having enlarged it reduces installation volume.Can be in occasion extensive uses such as automobile, boats and ships.
Claims (6)
1. electronic type AC induction motor; It is characterized in that; Comprise AC induction motor (1) and frequency-variable controller (2), said frequency-variable controller (2) is arranged on the inside of AC induction motor (1), and the output of frequency-variable controller (2) links to each other with AC induction motor (1).
2. electronic type AC induction motor according to claim 1 is characterized in that: said AC induction motor (1) comprises front end housing (100), rear end cap (101), stator (102), rotor (103), electric connector (104), cylindrical shell (105) and box body (106); Wherein: front end housing (100) is arranged on the front end of cylindrical shell (105); Rear end cap (101) is arranged on the rear end of cylindrical shell (105); Electric connector (104) is arranged on the rear end cap (101), and stator (102) and rotor (103) are positioned at cylindrical shell (105) inside, and rear end cap (101) links to each other with box body (106); Frequency-variable controller (2) is fixed on the rear end cap (101) and is positioned at box body (106), and the output of frequency-variable controller (2) links to each other with stator (102).
3. electronic type AC induction motor according to claim 2 is characterized in that: said box body (106) is provided with cover plate (113).
4. electronic type AC induction motor according to claim 2; It is characterized in that: be provided with binding post (114) in the said box body (106); One end of said binding post (114) links to each other with the output of frequency-variable controller (2), and the other end links to each other with stator (102).
5. electronic type AC induction motor according to claim 2 is characterized in that: said rear end cap (101) is provided with conductive rubber sealing strip (111).
6. electronic type AC induction motor according to claim 2; It is characterized in that: said electric connector (104) is provided with power supply air plug (115) and signal air plug (116), and said power supply air plug (115) links to each other with frequency-variable controller (2) respectively with signal air plug (116).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205393850U CN202374145U (en) | 2011-12-21 | 2011-12-21 | Electronic alternating current asynchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205393850U CN202374145U (en) | 2011-12-21 | 2011-12-21 | Electronic alternating current asynchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202374145U true CN202374145U (en) | 2012-08-08 |
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ID=46597836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205393850U Expired - Lifetime CN202374145U (en) | 2011-12-21 | 2011-12-21 | Electronic alternating current asynchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202374145U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102611264A (en) * | 2011-12-21 | 2012-07-25 | 合肥同智机电控制技术股份有限公司 | Electronic type alternating-current asynchronous motor |
-
2011
- 2011-12-21 CN CN2011205393850U patent/CN202374145U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102611264A (en) * | 2011-12-21 | 2012-07-25 | 合肥同智机电控制技术股份有限公司 | Electronic type alternating-current asynchronous motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: HEFEI TONGZHI ELECTROMECHANICAL CONTROL TECHNOLOGY Free format text: FORMER NAME: HEFEI TONGZHI ELECTRICAL CONTROL TECHNOLOGY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 230088 No. 66 Yonghe Road, hi tech Zone, Anhui, Hefei Patentee after: HEFEI TONGZHI ELECTRICAL CONTROL TECHNOLOGY CO., LTD. Address before: High tech Zone Hefei city Anhui province 230088 Tianzhi Road No. 19 Patentee before: Hefei Tongzhi Electrical Control Technology Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120808 |
|
| CX01 | Expiry of patent term |