CN207612158U - A kind of New Type Alternating Current - Google Patents
A kind of New Type Alternating Current Download PDFInfo
- Publication number
- CN207612158U CN207612158U CN201721423442.2U CN201721423442U CN207612158U CN 207612158 U CN207612158 U CN 207612158U CN 201721423442 U CN201721423442 U CN 201721423442U CN 207612158 U CN207612158 U CN 207612158U
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- shaft
- capacitance
- shell
- alternating current
- exhaust duct
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Abstract
The utility model discloses a kind of New Type Alternating Current, including shell, drive end bearing bracket and rear end cap, coil and shaft are provided in the shell, the both ends of shaft are stretched out outside drive end bearing bracket and rear end cap, its main feature is that：The outer surface of shell is provided with control box, circuit board is provided in control box, it is connected with the electric wire for being connected to external power supply on circuit board, start-up capacitance, mutual capacitance and the time relay are also associated on circuit board, the time relay is electrically connected with the start-up capacitance and mutual capacitance respectively；The both ends of shaft are respectively installation end and fan connecting pin, the shaft core position of shaft is provided with exhaust duct hole, the right output port in exhaust duct hole is exposed to fan connecting pin, it is provided with the inlet air channel being connected to the left port in exhaust duct hole on close to the shaft of installation end, the blower unit of the passway in corresponding inlet air channel is provided in shaft.The utility model has the characteristics that easy to maintenance, service life is long, internal heat dissipating is fireballing.
Description
Technical field
The utility model belongs to technical field of motors, more particularly, to a kind of New Type Alternating Current.
Background technology
Ac motor is mainly made of stator and rotor, and the direction of electrified wire movement under force in magnetic field is with electric current side
To related with magnetic direction.Ac motor is divided into DC communication motor and ac motor, electric power by using power supply difference
Ac motor in system is largely alternating current generator, and ac motor usually requires larger electric current and magnetic on startup
, therefore, ac motor usually requires to provide low-voltage and high-current when in use to complete to start, start rotation and then
It is restored to normal rated current and rated voltage, this conversion of major part motor is realized by centrifugal switch at present
's.
China's patent (notification number：CN202977298U；The day for announcing：A kind of motor 2013-06-05) is disclosed, including
Shaft and centrifugal switch device, centrifugal switch device include centrifugal slider, the elastic component equipped with moving contact and equipped with first quiet
The insulation fixing plate of contact and the second static contact；Centrifugal slider is set in shaft and can be slid in shaft；Moving contact can be with
It centrifugal slider and is moved between the first static contact and the second static contact, until being connected on the first static contact or the second stationary contact
On head；The basic configuration of insulation fixing plate is U-shaped, includes two bonding pads of base area and separation shaft both sides；Elastic component includes
The electric connection board area of arc shaped for moving contact to be arranged, the mounting plate for being fixed at each bonding pad on insulation fixing plate
Area and U-shaped elastic plate area；Electric connection board area Gu Ding is arranged on centrifugal slider, and centrifugal slider drives electrical connection area back and forth to move
It is dynamic.The starting current and operating current for controlling motor by centrifugal switch in above-mentioned patent are converted, and centrifugal switch is electronic
Machine disconnects automatically after starting, which is arranged in the shaft of motor interior, since electric motor operation is frequent, and it is electronic
Often there is high-pressure electrostatic at the start-up capacitance both ends of machine, and centrifugal switch is easily damaged, and centrifugal switch is located at motor interior not
Easy-maintaining replacement.
In terms of the heat dissipation of motor, radiating ribs and fan is arranged to running in traditional motor generally on shell
Motor radiates, but motor is in actual use, is easy to cause electric motor overheating, internal heat due to the use of overlong time
Amount is difficult to distribute immediately, is easy to cause the case where motor is easy to burn, and increases cost, and greatly shorten making for motor
Use the service life.
Invention content
The purpose of this utility model is in view of the deficiency of the prior art, to provide a kind of New Type Alternating Current,
It has the characteristics that easy to maintenance, service life is long, internal heat dissipating is fireballing.
To achieve the goals above, technical solution used by the utility model is：A kind of New Type Alternating Current, including
The both ends of shell, the shell are respectively arranged with drive end bearing bracket and rear end cap, are provided with coil and shaft in the shell, described turn
The both ends of axis are stretched out outside drive end bearing bracket and rear end cap, and the outer surface of the shell is provided with control box, is provided in the control box
Circuit board is connected with the electric wire for being connected to external power supply on the circuit board, be also associated on the circuit board start-up capacitance,
Mutual capacitance and the time relay, the time relay is electrically connected with the start-up capacitance and mutual capacitance respectively, described
Start-up capacitance and mutual capacitance are electrically connected with the coil in shell；The both ends of the shaft are respectively that installation end is connected with fan
End, the shaft core position of the shaft are provided with exhaust duct hole, and the right output port in the exhaust duct hole is exposed to fan connecting pin,
It is provided with the inlet air channel being connected to the left port in exhaust duct hole on close to the shaft of installation end, is provided in the shaft pair
Answer the blower unit of the passway in inlet air channel.
The quantity of the time relay is two, one of them connects with the start-up capacitance, another and work are electric
Hold series connection.
The roller end for stretching out rear end cap is provided with fan.
The blower unit includes the lantern ring being sheathed in shaft, and the logical of corresponding inlet air channel is provided on the lantern ring
The cover that goes for a drive at road junction.
The shaft surface that rotor is installed in the shaft is provided with every magnetic lining, it is described every magnetic lining be non-magnet material
It is made.
With the above structure, the utility model is compared to the prior art advantageously：The utility model saves
Centrifugal switch, but the control of start-up capacitance and mutual capacitance is controlled using the time relay, cost is cheaper, and not
It is easily damaged；And the time relay, start-up capacitance and mutual capacitance are separately provided in control box, and it is installed in shell
Outside, repair is facilitated to replace；Exhaust duct hole and inlet air channel are set in shaft, and are provided with blower unit, when shaft turns
When dynamic, inlet air channel and exhaust duct hole can be pumped air by blower unit, are discharged from the right output port in exhaust duct hole,
Make to form flowing wind in inlet air channel and exhaust duct hole, to take away the heat in shaft, the heat inside motor is transmitted to
In shaft, therefore it is equivalent to the heat indirectly taken away inside motor, is conducive to reduce motor operating temperature, protection motor is transported safely
Row；Every the setting of magnetic lining, makes the magnetic flux that electric machine rotor iron core yoke portion leaks into shaft that can greatly reduce, draw in shaft
The larger eddy-current loss and shaft current risen can also greatly reduce, and in this way in design of electrical motor, designer can be by rotor iron
Heart yoke portion magnetic flux density is designed more higher, advantageously reduces the dosage of electric machine iron core silicon steel sheet and machine winding electromagnetic wire.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of control box.
The front view of Fig. 3 shafts.
The sectional view of Fig. 4 shafts.
The left view of Fig. 5 shafts（Broken section）.
Specific implementation mode
As described below is only the preferred embodiment of the utility model, does not therefore limit the protection model of the utility model
It encloses, the utility model is further illustrated with reference to the accompanying drawings and examples.
Embodiment is shown in shown in Fig. 1 to Fig. 5：A kind of New Type Alternating Current, including shell 1, the both ends point of the shell 1
It is not provided with drive end bearing bracket 2 and rear end cap 3, coil is provided in the shell 1（Attached drawing is not drawn into）With shaft 4, the shaft 4
Both ends are stretched out outside drive end bearing bracket 2 and rear end cap 3, and the outer surface of the shell 1 is provided with control box 5, is provided in the control box 5
Circuit board 6 is connected with the electric wire 7 for being connected to external power supply on the circuit board 6, startup is also associated on the circuit board 6
Capacitance 8, mutual capacitance 9 and the time relay 10, the time relay 10 respectively with the start-up capacitance 8 and mutual capacitance
9 electrically connect, and the start-up capacitance 8 and mutual capacitance 9 are electrically connected with the coil in shell 1；The both ends of the shaft 4 are respectively to pacify
Dress end 11 and fan connecting pin 12, the shaft core position of the shaft 4 are provided with exhaust duct hole 13, the exhaust duct hole 13
Right output port is exposed to fan connecting pin 12, close to the shaft 4 of installation end 11 on be provided with and the left port in exhaust duct hole 13 connect
Logical inlet air channel 14 is provided with the blower unit 15 of the passway in corresponding inlet air channel 14 in the shaft 4.
The quantity of the time relay 10 is two, one of them connects with the start-up capacitance 8, another and work
Capacitance 9 is connected.
4 end set of shaft for stretching out rear end cap 3 has fan 16.
The blower unit 15 includes the lantern ring 17 being sheathed in shaft 4, and corresponding inlet air is provided on the lantern ring 17
The cover 18 that goes for a drive of the passway in channel 14.
4 surface of shaft that rotor is installed in the shaft 4 is provided with every magnetic lining（Attached drawing is not drawn into）, described to be served as a contrast every magnetic
Layer is made of non-magnet material.
The utility model eliminates centrifugal switch, but controls start-up capacitance 8 and work electricity using the time relay 10
Hold 9 control, cost is cheaper, and is less likely to be damaged；And the time relay 10, start-up capacitance 8 and mutual capacitance 9 are single
Solely it is arranged in control box 5, and is installed in outside shell 1, repair is facilitated to replace；Exhaust duct hole 13 is set in shaft 4 and is entered
Wind channel 14, and inlet air can be pumped air by blower unit 15 when shaft 4 rotates provided with blower unit 15
Channel 14 and exhaust duct hole 13 are discharged from the right output port in exhaust duct hole 13, make in inlet air channel 14 and exhaust duct hole 13
Flowing wind is formed, to take away the heat in shaft 4, the heat inside motor is transmitted in shaft 4, therefore is equivalent to indirectly
The heat inside motor is taken away, is conducive to reduce motor operating temperature, protects motor safe operation.
When manufacturing motor, typically rotor core is directly sleeved on machine shaft.Rotor core in motor work
The magnetic field in yoke portion can enter machine shaft, to cause larger eddy-current loss and shaft current inside machine shaft, in this way
The loss of electric machine can not only be increased, and shaft current can generate damage to bearing.Every the setting of magnetic lining, make electric machine rotor iron core yoke
The magnetic flux that portion leaks on main shaft can greatly reduce, and caused larger eddy-current loss and shaft current also can be significantly in shaft
Reduce, in this way in design of electrical motor, electric machine rotor iron core yoke portion magnetic flux density can be designed more higher by designer, be conducive to
Reduce the dosage of electric machine iron core silicon steel sheet and machine winding electromagnetic wire.
Claims (5)
1. a kind of New Type Alternating Current, including shell（1）, the shell（1）Both ends be respectively arranged with drive end bearing bracket（2）With it is rear
End cap（3）, the shell（1）Inside it is provided with coil and shaft（4）, the shaft（4）Both ends stretch out drive end bearing bracket（2）The rear end and
Lid（3）Outside, it is characterised in that：The shell（1）Outer surface be provided with control box（5）, the control box（5）Inside it is provided with electricity
Road plate（6）, the circuit board（6）On be connected with electric wire for being connected to external power supply（7）, the circuit board（6）On be also connected with
There is start-up capacitance（8）, mutual capacitance（9）And the time relay（10）, the time relay（10）Respectively with the startup
Capacitance（8）And mutual capacitance（9）It electrically connects, the start-up capacitance（8）And mutual capacitance（9）With shell（1）Interior coil Electricity Federation
It connects；The shaft（4）Both ends be respectively installation end（11）With fan connecting pin（12）, the shaft（4）Shaft core position set
It is equipped with exhaust duct hole（13）, the exhaust duct hole（13）Right output port be exposed to fan connecting pin（12）, close to installation end
（11）Shaft（4）On be provided with and exhaust duct hole（13）Left port connection inlet air channel（14）, the shaft（4）On
It is provided with corresponding inlet air channel（14）Passway blower unit（15）.
2. a kind of New Type Alternating Current according to claim 1, it is characterised in that：The time relay（10）Number
Amount is two, one of them and the start-up capacitance（8）Series connection, another and mutual capacitance（9）Series connection.
3. a kind of New Type Alternating Current according to claim 1, it is characterised in that：The stretching rear end cap（3）Turn
Axis（4）End set has fan（16）.
4. a kind of New Type Alternating Current according to claim 1, it is characterised in that：The blower unit（15）Including
It is sheathed on shaft（4）On lantern ring（17）, the lantern ring（17）On be provided with corresponding inlet air channel（14）Passway go for a drive
Cover（18）.
5. a kind of New Type Alternating Current according to claim 1, it is characterised in that：The shaft（4）Upper installation rotor
Shaft（4）Surface is provided with every magnetic lining, described to be made of non-magnet material every magnetic lining.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721423442.2U CN207612158U (en) | 2017-10-31 | 2017-10-31 | A kind of New Type Alternating Current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721423442.2U CN207612158U (en) | 2017-10-31 | 2017-10-31 | A kind of New Type Alternating Current |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207612158U true CN207612158U (en) | 2018-07-13 |
Family
ID=62794705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721423442.2U Active CN207612158U (en) | 2017-10-31 | 2017-10-31 | A kind of New Type Alternating Current |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207612158U (en) |
Cited By (1)
| 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 |
-
2017
- 2017-10-31 CN CN201721423442.2U patent/CN207612158U/en active Active
Cited By (1)
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: Novel AC motor capacitor leading-out terminal Effective date of registration: 20181109 Granted publication date: 20180713 Pledgee: Zhejiang Tyrone commercial bank Limited by Share Ltd Taizhou Wenling branch Pledgor: Fangda motor Limited by Share Ltd Registration number: 2018330000377 |