CN207426917U - Motor stator with overcurrent protection - Google Patents
Motor stator with overcurrent protection Download PDFInfo
- Publication number
- CN207426917U CN207426917U CN201721156121.0U CN201721156121U CN207426917U CN 207426917 U CN207426917 U CN 207426917U CN 201721156121 U CN201721156121 U CN 201721156121U CN 207426917 U CN207426917 U CN 207426917U
- Authority
- CN
- China
- Prior art keywords
- overcurrent protection
- metallic conduction
- conduction silk
- motor
- stator
- 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.)
- Active
Links
Abstract
The utility model discloses a kind of motor stators with overcurrent protection; including bobbin winder bracket, the stator winding and overcurrent protection mechanism that are installed on the bobbin winder bracket; the overcurrent protection mechanism installation includes a metallic conduction silk; the metallic conduction silk is serially connected on the stator winding, and by electric current exceed preset value when in safety time heat up fuse.Compared with prior art, a metallic conduction silk is in series on the stator winding of the utility model, the metallic conduction silk can be in motor rotation blockage, when motor stator or rotor short circuit or non-normal working, because by electric current beyond preset value in safety time heat up fuse, so that find to disconnect stator winding the basic insulation material to prevent firing accident and protect motor in time when motor breaks down, prevent motor basic insulation material aging from losing insulation function so that motor body becomes electrically charged body and causes electric shock casualty accident, it can also be in electromechanical testing, still carry out short-circuit protection, prevent unexpected generation during detection.
Description
Technical field
The utility model is related to the overcurrent protections in a kind of motor more particularly to a kind of motor with overcurrent protection to determine
Son.
Background technology
Existing motor, motor temperature is excessively high in order to prevent, and a temperature can be generally set on the winding of motor stator
Fuse, when electrical fault heats up, to disconnect stator winding in time to prevent firing accident.However this Thermal Cutoffs sense
Warm speed is slow, and in motor stator or rotor short-circuit or motor rotation blockage excess temperature, can not detect motor winding temperature in time
Rise, so as to leave hidden danger.
Therefore it is badly in need of a kind of motor technology to solve the above problems.
Utility model content
The purpose of this utility model is to provide a kind of motor stator with overcurrent protection, can in stator rotor overcurrent,
Stator winding is disconnected in time, and can still be protected over current of motor in electromechanical testing, prevent electromotor high-temperature from catching fire.
It is upper purposeful in order to realize, the utility model discloses a kind of motor stator with overcurrent protection, including coiling
Frame, the stator winding and overcurrent protection mechanism being installed on the bobbin winder bracket, the overcurrent protection mechanism installation include a metal
Conductive filament, the metallic conduction silk are serially connected on the stator winding, and by electric current exceed preset value when safe
Interior heating fusing.
Compared with prior art, a metallic conduction silk is in series on the stator winding of the utility model, the metallic conduction silk
Can in motor rotation blockage, motor stator or rotor short circuit or during non-normal working, because by electric current exceed preset value in peace
Heat up fusing in full-time, so that finding to disconnect in time when motor short circuit or stall or non-normal working occurs when failures
Basic insulation material of the stator winding to prevent firing accident and protect motor, it is exhausted to prevent that motor basic insulation material aging from losing
Edge function causes motor body to become electrically charged body and cause electric shock casualty accident, moreover it is possible in electromechanical testing, still carry out short-circuit guarantor
Shield prevents unexpected generation during detection.Wherein, safety time is motor in stator or rotor short-circuit or stall or non-normal working
When basic insulation be not totally disrupted, can still play the safe insulation required shortest time.
It is preferred that the current density of the metallic conduction silk is more than the current density of the coiling of the stator winding so that logical
In the fusing that heats up in safety time when the electric current crossed exceeds preset value.
It is preferred that the coiling of the metallic conduction silk and the stator winding is same plain conductor, the metallic conduction
The diameter of silk be less than the diameter of the coiling of the stator winding so that by electric current exceed preset value when in being risen in safety time
Temperature fusing.
It is preferred that the winding diameter of the stator winding, which is more than or equal to 0.28mm, is less than or equal to 0.6mm, the metallic conduction
The diameter of silk is more than or equal to 0.05mm and less than 0.28mm.
It is preferred that the metallic conduction silk is enameled wire.Wherein, metallic conduction silk can be enamel insulated aluminium wire, or
Enamel covered wire, or copper wire, copper-clad aluminum conductor or aluminum steel etc..
It is preferred that the overcurrent protection mechanism further includes thermal insulating set, the insulating protective sleeve is placed on the metal and leads
Electrical filament is outer and coats the connector between the metallic conduction silk and the stator winding.The program not only causes stator winding and gold
The heat belonged between conductive filament will not interfere with each other, and the heat that the metallic conduction silk generates will not be spread out,
So that it cannot it fuses in time because of high current.
More preferably, the thermal insulating set is garment bag.Garment bag can be effectively protected metallic conduction silk, prevent motor
It is unexpected because shake or external force effect is powered during operation to disconnect.
More preferably, the thermal insulating set is fibre sleeving.Fibre sleeving can not only be effectively protected metallic conduction silk, prevent
It is unexpected because shake is powered during motor operation to disconnect, it can also effectively keep the flexibility of overcurrent protection mechanism, and volume
It is small, it is easily installed.
Specifically, gelatinous layer, the gelatinous layer bag are also filled between the thermal insulating set and the metallic conduction silk
Cover the connector between the metallic conduction silk and the stator winding.The gelatinous layer can be effectively increased metallic conduction silk toughness and
Rigidity, the heat for effectively metallic conduction silk being protected to generate will not be spread out and more preferably high temperature resistant heat insulation effect.
Wherein, the gelatinous layer is AB glue matter layer or other heat-insulated, high temperature resistant gelatinous layers.
It is preferred that the motor stator with overcurrent protection further includes the Thermal protection being serially connected on the stator winding
Device.Thermal protector can motor stator winding temperature is excessively high or motor in disconnect stator winding in time when the temperature is excessively high, match somebody with somebody
Duplicate protection can be carried out to motor by closing overcurrent protection mechanism.
It is preferred that the overcurrent protection mechanism is installed on the bobbin winder bracket and closes on the side of the stator winding.
More preferably, the motor stator with overcurrent protection further include be wound on the bobbin winder bracket to wrap up it is described fixed
The gummed paper layer of sub- winding, the overcurrent protection mechanism are wrapped in the gummed paper layer, effectively reduce the volume of motor stator.
It is preferred that the one ends wound of the metallic conduction silk is welded in the coiling of the stator winding, other end winding
It is welded on lead, coiling or the leading-out terminal of the stator winding.
Description of the drawings
Fig. 1 is the structure diagram of motor stator described in the utility model.
Fig. 2 is the phantom of motor stator described in the utility model.
Fig. 3 is the enlarged diagram of part A in Fig. 2.
Fig. 4 is the circuit diagram of motor stator described in the utility model.
Specific embodiment
For the technology contents of the utility model, construction feature, the objects and the effects are described in detail, below in conjunction with implementation
Mode simultaneously coordinates attached drawing to be explained in detail.
Referring to figs. 1 to Fig. 3, the utility model discloses a kind of motor stator 100 with overcurrent protection, the motor stators
100 include bobbin winder bracket 10, the stator winding 40 being installed on the bobbin winder bracket 10 and overcurrent protection mechanism 20, the overcurrent protection
The installation of mechanism 20 includes a metallic conduction silk 21, and the metallic conduction silk 21 is serially connected on the stator winding 40, and is being passed through
Electric current exceed preset value when in safety time heat up fusing.Wherein, the size of preset value is turned by motor stator 100 and motor
Size of current during sub- (not shown) overcurrent or during stall determines that technical staff can be set according to the model power of motor
It is fixed.
In the present embodiment, the coiling 42 of the metallic conduction silk 21 and the stator winding 40 is same plain conductor,
And the diameter of the metallic conduction silk 21 is less than the diameter of the coiling 42 of the stator winding 40.Wherein, the metallic conduction silk
21 diameter is less than or equal to a preset diameters, the electric current when diameter of metallic conduction silk 21 is by motor stator and rotor overcurrent
Size determines that technical staff can be set according to the model power of motor.Certainly, the metallic conduction silk 21 and the stator
The coiling 42 of winding 40 or different types of wire.
Wherein, in the present embodiment, 42 diameter of coiling of the stator winding 40 is less than or equal to more than or equal to 0.28mm
0.6mm, the diameter of the metallic conduction silk 21 are more than or equal to 0.05mm and less than 0.28mm.
A in another embodiment, the current density of the metallic conduction silk 21 is more than the coiling 42 of the stator winding 40
Current density.The 21 optional obtaining current density of metallic conduction silk is more than or equal to the wire of a predetermined current density value.This is pre-
If size of current when current density is by motor stator and rotor overcurrent determines, technical staff can be according to the model work(of motor
Rate is set.
Wherein, in the present embodiment, the metallic conduction silk 21 is enamel covered wire.Certainly, metallic conduction silk 21 or
Enamel insulated aluminium wire, copper wire, copper-clad aluminum conductor or aluminum steel etc..
With reference to figure 3 and Fig. 4, the one ends wound of the metallic conduction silk 21 is welded in the coiling 42 of the stator winding 40
On, other end winding is welded on the lead 41 of the stator winding 40.It is of course also possible to the other end by metallic conduction silk 21
Also winding is welded in the coiling 42 of the stator winding 40, can also be by the other end stator winding 40 of metallic conduction silk 21
On leading-out terminal (not shown).
With reference to figure 3 and Fig. 4, the overcurrent protection mechanism 20 further includes thermal insulating set 22,22 sets of the insulating protective sleeve
It is outer in the metallic conduction silk 21 and coat the connector 211,212 between the metallic conduction silk 21 and the stator winding 42.
In the present embodiment, thermal insulating set 22 is fibre sleeving, certainly, the thermal insulating set 22 or garment bag or
The flexible material of other thermal insulatings of person.
Preferably with continued reference to Fig. 3 and Fig. 4, also fills up between the thermal insulating set 22 and the metallic conduction silk 21
There is gelatinous layer 23, the gelatinous layer 23 coats the connector 211,212 between the metallic conduction silk 21 and the stator winding 40.
The gelatinous layer 23 is AB glue matter layer or other heat-insulated, high temperature resistant gelatinous layers.
With reference to figure 1 and Fig. 2, the overcurrent protection mechanism 20 is installed on the bobbin winder bracket 10 and closes on the stator winding
40 side.Preferably, the motor stator 100, which further includes, to be wound on the bobbin winder bracket 10 to wrap up the stator winding 40
Gummed paper layer 50, the overcurrent protection mechanism 20 is wrapped in the gummed paper layer 50.
Wherein, motor stator 100 further includes stator core 30, and stator core 30 is formed by stacking by several stator chips, institute
Stator core 30 is stated through the through hole (not shown) on the winding frame 10, the coiling 42 of stator winding 40 is around described fixed
Outside sub- iron core 30.
With reference to figure 4, in the utility model second embodiment, the motor stator 100, which further includes, is serially connected with the stator
Thermal protector 60 on winding 40.Thermal protector 60 can motor stator winding temperature is excessively high or motor in when the temperature is excessively high
Stator winding 40 is disconnected in time, and cooperation overcurrent protection mechanism 20 can carry out duplicate protection to motor.It, thermal protector can be temperature
Spend fuse etc..
Above disclosed is only the preferred embodiment of the utility model, certainly cannot be new to limit this practicality with this
The interest field of type, therefore the equivalent variations made according to present utility model application the scope of the claims still belong to the utility model and are covered
Scope.
Claims (10)
1. a kind of motor stator with overcurrent protection, including bobbin winder bracket and the stator winding being installed on the bobbin winder bracket,
It is characterized in that：Overcurrent protection mechanism is further included, the overcurrent protection mechanism includes a metallic conduction silk, the metallic conduction silk string
Be connected on the stator winding, and by electric current exceed preset value when in safety time heat up fuse.
2. there is the motor stator of overcurrent protection as described in claim 1, it is characterised in that：The electric current of the metallic conduction silk
Density be more than the current density of the coiling of the stator winding so that by electric current exceed preset value when in being risen in safety time
Temperature fusing or the coiling of the metallic conduction silk and the stator winding are same plain conductor and the metallic conduction silk
Diameter be less than the diameter of the coiling of the stator winding so that by electric current exceed preset value when it is molten in heating up in safety time
It is disconnected.
3. there is the motor stator of overcurrent protection as described in claim 1, it is characterised in that：The metallic conduction silk is enamel-cover
Copper wire, copper wire, copper-clad aluminum conductor or aluminum steel.
4. there is the motor stator of overcurrent protection as described in claim 1, it is characterised in that：The coiling of the stator winding is straight
Footpath is more than or equal to 0.28mm and is less than or equal to 0.6mm, and the diameter of the metallic conduction silk is more than or equal to 0.05mm and less than 0.28mm.
5. there is the motor stator of overcurrent protection as described in claim 1, it is characterised in that：The overcurrent protection mechanism also wraps
Thermal insulating set is included, the insulating protective sleeve is placed on outside the metallic conduction silk and coats the metallic conduction silk and the stator
Connector between winding.
6. there is the motor stator of overcurrent protection as claimed in claim 5, it is characterised in that：The thermal insulating set is plastic cement
Set or fibre sleeving.
7. there is the motor stator of overcurrent protection as claimed in claim 5, it is characterised in that：Thermal insulating set with it is described
Gelatinous layer is also filled between metallic conduction silk, the gelatinous layer is coated between the metallic conduction silk and the stator winding
Connector.
8. there is the motor stator of overcurrent protection as described in claim 1, it is characterised in that：The overcurrent protection mechanism installation
In on the bobbin winder bracket and closing on the side of the stator winding.
9. there is the motor stator of overcurrent protection as claimed in claim 8, it is characterised in that：It further includes and is wound in the coiling
To wrap up the gummed paper layer of the stator winding on frame, the overcurrent protection mechanism is wrapped in the gummed paper layer.
10. there is the motor stator of overcurrent protection as described in claim 1, it is characterised in that：Further include be serially connected with it is described fixed
Thermal protector on sub- winding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721156121.0U CN207426917U (en) | 2017-09-08 | 2017-09-08 | Motor stator with overcurrent protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721156121.0U CN207426917U (en) | 2017-09-08 | 2017-09-08 | Motor stator with overcurrent protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207426917U true CN207426917U (en) | 2018-05-29 |
Family
ID=62316079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721156121.0U Active CN207426917U (en) | 2017-09-08 | 2017-09-08 | Motor stator with overcurrent protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207426917U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117214707A (en) * | 2023-10-31 | 2023-12-12 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Accelerated degradation testing method and system for motor stator winding |
-
2017
- 2017-09-08 CN CN201721156121.0U patent/CN207426917U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117214707A (en) * | 2023-10-31 | 2023-12-12 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Accelerated degradation testing method and system for motor stator winding |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105679476B (en) | Voltage dependent resistor | |
| WO2012089124A1 (en) | Apparatus comprising thermal fuse and resistor | |
| TW201209875A (en) | Double wound fusible element and associated fuse | |
| CN207529743U (en) | Varistor with overheat protective structure | |
| CN101339846A (en) | Self-healing capacitor component having internal protection | |
| CN207426917U (en) | Motor stator with overcurrent protection | |
| CN102714079A (en) | Resistor with thermal element | |
| CN207319828U (en) | Enabling electromagnet and its electromagnetic coil | |
| CN206388576U (en) | A kind of half short-circuit low temperature fusing Anti-explosion fuse resistor | |
| JP5014065B2 (en) | Compressor | |
| CN105845251A (en) | Charge wire | |
| CN202008889U (en) | Anti-surge and anti-explosion winding resistor | |
| CN206163219U (en) | Novel hot protection type resistor | |
| CN106206158B (en) | The control electronic device of protective device, especially motor vehicle component | |
| CN202534449U (en) | Cement resistor with temperature fuse wire | |
| US3793560A (en) | Resistive thermal protective device for inductances | |
| CN201681640U (en) | Single-phase three-core flat shaped RVV | |
| CN209804359U (en) | Resistor with built-in metal shell temperature fuse | |
| CN106655139A (en) | Novel surge protector | |
| CN206685338U (en) | A kind of electrical control excess temperature automatic switch | |
| CN201503736U (en) | Fast-fusing anti-lightning-surge wire-wound resistor | |
| CN219457256U (en) | Wound-type high-voltage anti-surge resistor | |
| CN104051091A (en) | Excessively-low-current protection lightning-stroke-resisting surge wire-wound resistor | |
| CN206349199U (en) | A kind of Thermal protection type resistor | |
| CN206301650U (en) | A kind of piezoresistor of built-in temperature fuse-link |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |