CN205336043U - Alternating current motor - Google Patents
Alternating current motor Download PDFInfo
- Publication number
- CN205336043U CN205336043U CN201620045725.7U CN201620045725U CN205336043U CN 205336043 U CN205336043 U CN 205336043U CN 201620045725 U CN201620045725 U CN 201620045725U CN 205336043 U CN205336043 U CN 205336043U
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- CN
- China
- Prior art keywords
- electric capacity
- time relay
- capacitance
- control box
- housing
- 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.)
- Expired - Fee Related
Links
- 230000017525 heat dissipation Effects 0.000 claims description 13
- 239000007769 metal material Substances 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000003068 static effect Effects 0.000 description 6
- 238000009413 insulation Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Centrifugal Separators (AREA)
Abstract
The utility model provides an alternating current motor belongs to electrical equipment technical field. It has solved technical problem such as the easy damage of current alternating current motor centrifugal switch. This alternating current motor includes the casing, is equipped with coil and pivot in the casing, and outside the casing was stretched out to the one end of pivot, the surface of casing had set firmly the control box, and the control box internal stability is equipped with the circuit board, is connected with the electric wire that is used for communicateing external power source on the circuit board, still be connected with on the circuit board to start electric capacity, work electric capacity and time relay, time relay respectively with start electric capacity and work electric capacity electric connection, start the coil electric connection in electric capacity and work electric capacity and the casing. The utility model provides a motor has saved centrifugal switch, but the control of adopting time relay to come control start -up electric capacity and work electric capacity, the cost is cheaper, and is difficult to the damage, and time relay, start -up electric capacity and work electric capacity all set up in the control box alone to set firmly outside the casing, convenient maintenance is changed.
Description
Technical field
This utility model belongs to technical field of electric equipment, relates to a kind of motor, particularly a kind of ac motor。
Background technology
Motor (Motor) is a kind of equipment converting electrical current into into mechanical energy, and it is to use the power on coil produce rotating excitation field and act on rotor formation electro-magnetic motor force rotation torque。Ac motor is mainly made up of stator and rotor, and electrified wire direction of movement under force in magnetic field is relevant with magnetic direction with the sense of current。Ac motor is divided into DC-AC motor and ac motor by use power supply difference, ac motor major part in power system is alternating current generator, ac motor typically requires bigger electric current and magnetic field when starting, therefore, ac motor typically require in use provide low-voltage and high-current complete start, after starting to rotate, then returning to normal rated current and rated voltage, this conversion of major part motor at present is realized by centrifugal switch。
China's patent (notification number: CN202977298U；The day for announcing: 2013-06-05) disclose a kind of motor, including rotating shaft and centrifugal switch device, centrifugal switch device includes centrifugal slider, is provided with the elastic component of moving contact and is provided with the first static contact and the insulation fixing plate of the second static contact；Centrifugal slider is set in rotating shaft and can sliding in rotating shaft；Moving contact can move between the first static contact and the second static contact along with centrifugal slider, until being connected on the first static contact or on the second static contact；The basic configuration of insulation fixing plate is U-shaped, including two bonding pads of base and separation rotating shaft both sides；Elastic component includes the electric connection board district of the arc shaped for arranging moving contact, for the installing plate district being fixedly installed on insulation fixing plate each bonding pad and U-shaped elastic plate district；Electric connection board district Gu Ding is arranged on centrifugal slider, and centrifugal slider drives electrical connection district to move back and forth。
Above-mentioned patent is controlled starting current and the operating current conversion of motor by centrifugal switch, centrifugal switch automatically disconnects after motor starting, this centrifugal switch is arranged in the rotating shaft of motor interior, owing to electric motor operation is frequent, and often there is high-pressure electrostatic at the start-up capacitance two ends of motor, centrifugal switch is easily damaged, and centrifugal switch is positioned at motor interior not easy-maintaining and changes。
Summary of the invention
The problems referred to above that this utility model exists for existing technology, it is provided that a kind of ac motor, technical problem to be solved in the utility model is: how to improve service life and the maintenance convenience of ac motor。
This utility model purpose can be realized by following technical proposal:
A kind of ac motor, including housing, coil and rotating shaft it is provided with in described housing, one end of described rotating shaft is stretched out outside described housing, it is characterized in that, the outer surface of described housing is installed with control box, it is installed with circuit board in described control box, described circuit board is connected to the electric wire for connecting external power source, described circuit board is also associated with start-up capacitance, mutual capacitance and the time relay, the described time relay electrically connects with described start-up capacitance and mutual capacitance respectively, and described start-up capacitance and mutual capacitance and the coil in housing electrically connect。
Its principle is as follows: external power source is connected on circuit board by electric wire by this motor, during startup, time relay conducting start-up capacitance, by start-up capacitance, electric current is carried out moment processing and amplifying, and failure of current opportunity of start-up capacitance is controlled by the Preset Time of the time relay, thus realizing startup and the operation of motor。Motor in the technical program eliminates centrifugal switch, but adopts the time relay to control the control of start-up capacitance and mutual capacitance, and cost is cheaper, and is not easy to damage；And the time relay, start-up capacitance and mutual capacitance are separately provided in control box, and being installed in outside housing, convenient for maintaining is changed。
In above-mentioned ac motor, described control box is square body and one side has opening, and the opening of described control box is towards the surface of described housing。
In above-mentioned ac motor, the quantity of the described time relay is two, and one of them is connected with described start-up capacitance, and another is connected with mutual capacitance。Start-up capacitance and a time relay series connection form branch road one, and mutual capacitance is connected with another time relay and formed branch road two, and branch road is in parallel with branch road two again and again。During motor start-up, the time relay conducting connected with start-up capacitance, the time relay connected with mutual capacitance disconnects, and reaches starting current, it is achieved the startup of motor, then the Preset Time according to the time relay, two time relays are preset the same time, synchronization action, and the time relay connected with start-up capacitance disconnects, the time relay conducting connected with mutual capacitance, it is achieved the normal operation of motor。
In above-mentioned ac motor, described control box is removably attachable to described surface of shell by bolt。Housing offers four screws, is provided with bolt at four Angle Position controlling box, is screwed onto in the screw of housing by bolt, it is achieved control the fixing connection of box。
In above-mentioned ac motor, described housing adopts metal material to make, being additionally provided with the heat dissipation base that metal material is made in described control box, described circuit board is installed on the one side of described heat dissipation base, and the another side of described heat dissipation base reclines mutually with described housing。Electronic component in use easily produces heat, in high temperature environments life-time service, and electronic component is easily damaged, and by heat dissipation base, heat passes to housing timely and effectively, distribute again through housing, timely radiating and cooling in the technical program。Need not control box is offered louvre, keep the sealing controlling box, effective dustproof and waterproof, play protection and control the effect of electronic component in box。
Compared with prior art, the motor in this utility model eliminates centrifugal switch, but adopts the time relay to control the control of start-up capacitance and mutual capacitance, and cost is cheaper, and is not easy to damage；And the time relay, start-up capacitance and mutual capacitance are separately provided in control box, and being installed in outside housing, convenient for maintaining is changed。
Accompanying drawing explanation
Fig. 1 is the perspective view of this ac motor。
Fig. 2 is the perspective view of this ac motor enclosure interior electronic component。
Fig. 3 is the circuit diagram of this ac motor。
In figure, 1, housing；2, rotating shaft；3, box is controlled；4, circuit board；5, electric wire；6, start-up capacitance；7, mutual capacitance；8, the time relay；9, heat dissipation base。
Detailed description of the invention
The following is specific embodiment of the utility model and in conjunction with accompanying drawing, the technical solution of the utility model is further described, but this utility model is not limited to these embodiments。
As shown in Figure 1, Figure 2 and Figure 3, this ac motor includes housing 1, coil and rotating shaft 2 it is provided with in housing 1, one end of rotating shaft 2 is stretched out outside housing 1, the outer surface of housing 1 is installed with control box 3, control box 3, for square body and one side, there is opening, control the opening surface towards housing 1 of box 3, control box 3 and be removably attachable to housing 1 surface by bolt, housing 1 offers four screws, it is provided with bolt at four Angle Position controlling box 3, is screwed onto in the screw of housing 1 by bolt, it is achieved control the fixing connection of box 3；Control to be installed with circuit board 4 in box 3, circuit board 4 is connected to the electric wire 5 for connecting external power source, circuit board 4 is also associated with start-up capacitance 6, mutual capacitance 7 and the time relay 8, the time relay 8 electrically connects with start-up capacitance 6 and mutual capacitance 7 respectively, and start-up capacitance 6 and mutual capacitance 7 electrically connect with the coil in housing 1。External power source is connected on circuit board 4 by electric wire 5 by this motor, during startup, the time relay 8 turns on start-up capacitance 6, by start-up capacitance 6, electric current is carried out moment processing and amplifying, and failure of current opportunity of start-up capacitance 6 is controlled by the Preset Time of the time relay 8, thus realizing startup and the operation of motor。This motor eliminates centrifugal switch, but adopts the time relay 8 to control start-up capacitance 6 and the control of mutual capacitance 7, and cost is cheaper, and is not easy to damage；And the time relay 8, start-up capacitance 6 and mutual capacitance 7 are separately provided in control box 3, and being installed in outside housing 1, convenient for maintaining is changed。
Further, as shown in Figures 2 and 3, the quantity of the time relay 8 is two, and one of them is connected with start-up capacitance 6, and another is connected with mutual capacitance 7。Start-up capacitance 6 is connected with a time relay 8 and is formed branch road one, mutual capacitance 7 is connected with another time relay 8 and is formed branch road two, branch road is in parallel with branch road two again and again, during motor start-up, the time relay 8 connected with start-up capacitance 6 turns on, the time relay 8 connected with mutual capacitance 7 disconnects, reach starting current, realize the startup of motor, then the Preset Time according to the time relay 8, the same time preset by two time relays 8, synchronization action, the time relay 8 connected with start-up capacitance 6 disconnects, the time relay 8 connected with mutual capacitance 7 turns on, realize the normal operation of motor。
As in figure 2 it is shown, the present embodiment middle shell 1 adopts metal material to make, controlling to be additionally provided with, in box 3, the heat dissipation base 9 that metal material is made, circuit board 4 is installed on the one side of heat dissipation base 9, and the another side of heat dissipation base 9 reclines with housing 1 phase。Electronic component in use easily produces heat, in high temperature environments life-time service, and electronic component is easily damaged, and by heat dissipation base 9, heat passes to housing 1 timely and effectively, distribute again through housing 1, timely radiating and cooling in the technical program。Need not control box 3 is offered louvre, keep the sealing controlling box 3, effective dustproof and waterproof, play protection and control the effect of electronic component in box 3。
Specific embodiment described herein is only to this utility model spirit explanation for example。Described specific embodiment can be made various amendment or supplements or adopt similar mode to substitute by this utility model person of ordinary skill in the field, but without departing from spirit of the present utility model or surmount the scope that appended claims is defined。
Although more employing 1 herein, housing；2, rotating shaft；3, box is controlled；4, circuit board；5, electric wire；6, start-up capacitance；7, mutual capacitance；8, the time relay；9, the term such as heat dissipation base, but it is not precluded from using the probability of other term。These terms are used to be only used to describe and explain essence of the present utility model more easily；It is all contrary with this utility model spirit for being construed as any additional restriction。
Claims (5)
1. an ac motor, including housing (1), coil and rotating shaft (2) it is provided with in described housing (1), described housing (1) is stretched out outward in one end of described rotating shaft (2), it is characterized in that, the outer surface of described housing (1) is installed with control box (3), it is installed with circuit board (4) in described control box (3), described circuit board (4) is connected to the electric wire (5) for connecting external power source, described circuit board (4) is also associated with start-up capacitance (6), mutual capacitance (7) and the time relay (8), the described time relay (8) electrically connects with described start-up capacitance (6) and mutual capacitance (7) respectively, described start-up capacitance (6) and mutual capacitance (7) electrically connect with the coil in housing (1)。
2. ac motor according to claim 1, it is characterised in that described control box (3) has opening for square body and one side, the opening of described control box (3) is towards the surface of described housing (1)。
3. ac motor according to claim 1 and 2, it is characterised in that the quantity of the described time relay (8) is two, one of them is connected with described start-up capacitance (6), and another is connected with mutual capacitance (7)。
4. ac motor according to claim 2, it is characterised in that described control box (3) is removably attachable to described housing (1) surface by bolt。
5. ac motor according to claim 4, it is characterized in that, described housing (1) adopts metal material to make, the heat dissipation base (9) that metal material is made it is additionally provided with in described control box (3), described circuit board (4) is installed on the one side of described heat dissipation base (9), and the another side of described heat dissipation base (9) reclines mutually with described housing (1)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620045725.7U CN205336043U (en) | 2016-01-18 | 2016-01-18 | Alternating current motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620045725.7U CN205336043U (en) | 2016-01-18 | 2016-01-18 | Alternating current motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205336043U true CN205336043U (en) | 2016-06-22 |
Family
ID=56197522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620045725.7U Expired - Fee Related CN205336043U (en) | 2016-01-18 | 2016-01-18 | Alternating current motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205336043U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107707068A (en) * | 2017-10-31 | 2018-02-16 | 方大电机股份有限公司 | A kind of New Type Alternating Current |
| CN107707056A (en) * | 2017-10-31 | 2018-02-16 | 方大电机股份有限公司 | A kind of ac motor |
| CN111130396A (en) * | 2020-01-15 | 2020-05-08 | 上海路虹电子科技有限公司 | Electronic starter for motor and starting method |
| CN111668027A (en) * | 2020-06-27 | 2020-09-15 | 温岭汉鼎电子有限公司 | AC motor starts operation combination electric capacity |
-
2016
- 2016-01-18 CN CN201620045725.7U patent/CN205336043U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107707068A (en) * | 2017-10-31 | 2018-02-16 | 方大电机股份有限公司 | A kind of New Type Alternating Current |
| CN107707056A (en) * | 2017-10-31 | 2018-02-16 | 方大电机股份有限公司 | A kind of ac motor |
| CN111130396A (en) * | 2020-01-15 | 2020-05-08 | 上海路虹电子科技有限公司 | Electronic starter for motor and starting method |
| CN111668027A (en) * | 2020-06-27 | 2020-09-15 | 温岭汉鼎电子有限公司 | AC motor starts operation combination electric capacity |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: The town of Wenling City Industrial Park, Taizhou City, Zhejiang province 317525 Patentee after: FANGDA ELECTRIC MACHINE CO.,LTD. Address before: The town of Wenling City Industrial Park, Taizhou City, Zhejiang province 317525 Patentee before: FANGDA ELECTRIC MOTOR Co.,Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Protection unit for A.C. motor Effective date of registration: 20181109 Granted publication date: 20160622 Pledgee: Zhejiang Tyrone commercial bank Limited by Share Ltd. Taizhou Wenling branch Pledgor: FANGDA ELECTRIC MACHINE CO.,LTD. Registration number: 2018330000377 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160622 |