CN207974973U - A kind of electronic water pump to be radiated using itself fluid media (medium) - Google Patents
A kind of electronic water pump to be radiated using itself fluid media (medium) Download PDFInfo
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- CN207974973U CN207974973U CN201820269789.4U CN201820269789U CN207974973U CN 207974973 U CN207974973 U CN 207974973U CN 201820269789 U CN201820269789 U CN 201820269789U CN 207974973 U CN207974973 U CN 207974973U
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- pump
- water pump
- medium
- radiated
- fluid media
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Abstract
The utility model discloses a kind of electronic water pumps to be radiated using itself fluid media (medium),Heat sink is equipped between the circuit board and water-stop sheet,The heat sink surrounds the accommodating cavity for being formed with semi-hermetic with water-stop sheet,Radiation shell is equipped in the pump shell,There are multiple circulation roads on the radiation shell,By offering multiple hollow bores i.e. circulation road on radiation shell,To be connected out of circulation road the medium of water pump transport into accommodating cavity,It enters back into housing,Enter impeller from housing again,Complete the cyclic process entirely radiated,It is using height pressure area in water pump that heat is external by fluid media (medium) discharge pump,To effectively reduce the Wen Sheng of pump body,Since the temperature in the pump housing is radiated using fluid media (medium),So the bulk temperature of water pump is relatively low,Therefore the shell of water pump can be manufactured with plastic material,To the manufacturing cost of water pump,Weight etc. can control minimum,Also the competitiveness of product is just effectively increased.
Description
Technical field
The utility model is related to water pump fields, more specifically, it relates to a kind of electricity to be radiated using itself fluid media (medium)
Sub- water pump.
Background technology
The pump housing the motor feels hot problem, causes pump ageing fast, reduced service life, and pump housing aluminum hull can solve motor and dissipate
Heat problem, but aluminum component production cost is high, complex process, consistency is poor, and weight increases, however electronic water pump for automobile counterweight
What amount required, it is desirable to which in the case where meeting performance requirement, the lighter weight the better, and also aluminum hull can aoxidize, corrode, and heat dissipation for circuit board is not
Fully, cause circuit board aging fast, influence service life, so needing a kind of electronic water pump that heat-sinking capability is strong.
Utility model content
In view of the deficienciess of the prior art, itself fluid media (medium) can be utilized the purpose of this utility model is to provide a kind of
The electronic water pump of heat dissipation solves the problem that water pump service life is short, and heat dissipation is slow and heat dissipation is insufficient.
To achieve the above object, the utility model provides following technical solution：It is a kind of to be radiated using itself fluid media (medium)
Electronic water pump, the electronic water pump includes the pump shell of impeller, rotor, circuit board and tubular, the two of the pump shell
End is connected separately with pump cover and bottom cover, and the pump cover connects and composes the inner cavity for placing impeller, the water pump with pump shell
Housing is connected in shell, the rotor is placed in housing, and is formed with the air gap that water supply stream passes through between the two, described
The side of bottom cover relative rotor is equipped with heat sink and water-stop sheet successively, and the heat sink and water-stop sheet constitute accommodating cavity, it is described every
The through-hole for accommodating cavity and air gap to be connected is offered on water plate, the housing is offered with respect to one end of pump cover for being connected
The flowing hole of air gap and inner cavity offers the circulation road for inner cavity and accommodating cavity to be connected, institute on the inner wall of the water pump body
State the other side of the circuit board mounted on heat sink with respect to water-stop sheet.
By using above-mentioned technical proposal, electronic water pump is primarily configured as shell, circuit board, stator, rotor and impeller,
The magnetic field that stator is controlled by circuit board changes to drive rotor rotation and impeller rotates together, and in order to solve the pump housing
And the heat dissipation problem of circuit board, circulation road is offered in pump shell madial wall, and because circulation road is connected to accommodating cavity, to
The fluid media (medium) that water pump transports is connected to enter out of circulation road and is surrounded in the accommodating cavity formed by heat sink and water-stop sheet, then from
Through-hole on water-stop sheet enters in air gap, then enters inner cavity from air gap and throw away water pump, completes the cyclic process entirely radiated, institute
It can be taken away at any time by fluid media (medium) by heat sink with the heat of circuit board, rotor and stator, to effectively reduce water pump
The Wen Sheng of circuit board and motor stator extends the service life of pump circuit plate and the service life of water pump entirety, due to pump
Internal temperature is radiated using fluid media (medium), therefore the shell of water pump can be manufactured with plastic material, to water pump
Weight and cost can control minimum, also just effectively increase the competitiveness of product.
The utility model is further arranged to：The circulation road is located at pump cover outer and equipped with multiple, and multiple circulation roads are in
Circular arrangement is distributed on the madial wall of pump shell.
By using above-mentioned technical proposal, circulation road is located at pump cover outer, and pump cover outer is higher-pressure region, so convenient
In segment fluid flow medium flow field inflow channel, multiple rounded arrangements of circulation road, so for stator outer surface heat dissipation effect more
Add uniformly effectively, using effect is more preferable.
The utility model is further arranged to：The flowing hole corresponds to the setting of impeller center position.
By using above-mentioned technical proposal, flowing hole is correspondingly arranged with impeller, and impeller is nearby low-pressure area, to facilitate stream
Body medium is entered by flowing hole in impeller out of air gap, to be thrown out of electronic water pump, realizes circulation.
The utility model is further arranged to：The junction of the heat sink and pump shell is equipped with the first sealing ring, institute
The junction for stating water-stop sheet and pump shell is equipped with the second sealing ring.
By using above-mentioned technical proposal, since the stator in water pump cannot be contacted directly with fluid media (medium) with circuit board,
So needing to avoid the occurrence of infiltration situation using sealing ring, to not influence the normal use of water pump.
The utility model is further arranged to：The bottom cover is equipped with the power supply string holes for external power supply, the circuit
Plate is connect with power supply string holes by connecting terminal.
By using above-mentioned technical proposal, circuit board is located in bottom cover, and is connected in power supply string holes by connecting terminal
To obtain power drive water pump, to realize the automatic operating of water pump by the control of circuit board, setting is simple and convenient.
The utility model is further arranged to：Threading hole is offered on the heat sink, the stator of the electronic water pump
Power cord is connected to circuit board by the threading hole, and third sealing ring is equipped at the threading hole.
By using above-mentioned technical proposal, stator needs to connect on circuit boards, and is changed according to the instruction of circuit board
Magnetic field, to drive working rotor, so threading hole is offered on heat sink, for the power cord by stator, so
Setting third sealing ring is also required on threading hole, the power cord of stator is passed through out of sealing ring, and since circuit is static, institute
Not will produce the risk of leak, the safe operation of circuit board has been ensured.
The utility model is further arranged to：The rotor includes shaft, and the impeller is mounted on shaft relative to circuit
On the other end of plate, the left and right ends of the shaft are mounted on bearing.
By using above-mentioned technical proposal, since rotor needs constantly rotation, so it is provided at both ends with bearing in shaft,
Simultaneously because fluid media (medium) can be flowed through from rotor outer end, so medium can also play the effect of lubrication bearing so that rotor turns
Move up it is more smooth, to improve the transmission efficiency of water pump entirety.
The utility model is further arranged to：The housing is made of stainless steel material.
By using above-mentioned technical proposal, stainless steel material is had excellent performance, and can keep higher material property for a long time
To effectively extend the service life of electronic water pump.
The utility model is further arranged to：The pump shell is integrated injection molding.
By using above-mentioned technical proposal, because pump shell is the important component for participating in heat dissipation cycle, one
Injection molding is simple and convenient, and flow is simple, and can guarantee the stability of connection, at the same do not have infiltration and so on.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of electronic water pump using the heat dissipation of itself fluid media (medium) of the utility model；
Fig. 2 is the schematic diagram of water pump internal heat dissipating cycle.
In figure：1, pump shell；2, pump cover；3, bottom cover；4, impeller；5, circuit board；6, water-stop sheet；7, rotor；8, stator；
9, heat sink；10, accommodating cavity；12, circulation road；14, power supply string holes；15, shaft.
Specific implementation mode
Referring to figs. 1 to Fig. 2 it is a kind of to the utility model using itself fluid media (medium) heat dissipation electronic water pump embodiment do into
One step explanation.
Referring to Fig.1 shown in, it is a kind of using itself fluid media (medium) radiate electronic water pump, the electronic water pump include impeller 4,
The both ends of the pump shell 1 of rotor 7, circuit board 5 and tubular, the pump shell 1 are connected separately with pump cover 2 and bottom cover 3, described
Pump cover 2 connects and composes the inner cavity for placing impeller 4 with pump shell 1, and housing is connected in the pump shell 1, described
Rotor 7 is placed in housing, and is formed with the air gap that water supply stream passes through between the two, the side of 3 relative rotor 7 of the bottom cover according to
Secondary to be equipped with heat sink 9 and water-stop sheet 6, the circuit board 5 is mounted on the other side of the heat sink 9 with respect to water-stop sheet 6, the heat sink
9 constitute accommodating cavity 10 with water-stop sheet 6, and the through-hole for accommodating cavity 10 and air gap to be connected, the screen are offered on the water-stop sheet 6
The one end for covering the opposite pump cover of set 2 offers flowing hole for air gap and inner cavity to be connected, and the flowing hole corresponds to 4 centre bit of impeller
It installs, flowing hole is correspondingly arranged with impeller 4, and impeller 4 is nearby low-pressure area, to facilitate fluid media (medium) to pass through out of air gap
Discharge orifice enters in impeller 4, to be thrown out of electronic water pump, realizes circulation, is opened up on the inner wall of the water pump body useful
Circulation road 12 in conducting inner cavity and accommodating cavity 10, the circulation road 12 are located at 2 outer of pump cover and are equipped with multiple, multiple circulation roads
12 rounded arrangements are distributed on the madial wall of pump shell 1, and circulation road 12 is located at 2 outer of pump cover, and 2 outer of pump cover is height
Pressure area, so facilitating in segment fluid flow medium flow field inflow channel 12,12 rounded arrangement of multiple circulation roads, so for stator 8
The heat dissipation effect of outer surface is more uniformly effective, and using effect is more preferable.
In conjunction with shown in Fig. 1,2, water is drawn into interior intracavitary, leaf by the rotation of 7 impeller 4 of rotor from the water inlet on pump cover 2
For wheel 4 in high-speed rotation, center forms low-pressure area, and marginal position forms higher-pressure region, the water part of higher-pressure region from
Water outlet outflow on pump cover 2, a part is flowed into along circulation road 12 in accommodating cavity 10 under the action of hydraulic pressure, in accommodating cavity 10
Water contacted with heat sink 9, absorb heat sink 9 on heat（Because circuit board 5 is to be close to the setting of heat sink 9, circuit board
The heat sent out on 5 can be transmitted on heat sink 9）, at this point, the water temperature in accommodating cavity 10 increases, the water that temperature is promoted is again
It is flowed into the air gap constituted between housing and rotor 7 from through-hole, reabsorbs the heat that rotor 7 and stator 8 are sent out, finally, gas
High-temperature water in gap enters the low-pressure area at 4 center of impeller and the new normal-temperature water into inner cavity from flowing hole（Or water at low temperature）It is mixed
It closes, the water of low-pressure area is thrown away from water outlet by impeller 4, completes the cyclic process entirely radiated.To effectively reduce water
The Wen Sheng of pump circuit plate 5 and motor stator 8 extends the service life of pump circuit plate 5 and the service life of water pump entirety, by
It is radiated using fluid media (medium) in the temperature in the pump housing, therefore the shell of water pump can be manufactured with plastic material, to
The weight and cost of water pump can control minimum, also just effectively increase the competitiveness of product.
The material of the pump shell 1 is made of Heat Conduction Material, makees since pump shell 1 plays more important transport
With, while can also cool down to stator 8 in turn on process, so material is preferably the stronger heat conduction modeling of the capacity of heat transmission
Material, heat-conducting plastic is the material being currently known, can quickly into contact with the heat of stator 8 taken away via medium.It is described to dissipate
The junction of hot plate 9 and pump shell 1 is equipped with the first sealing ring, and the water-stop sheet 6 and the junction of pump shell 1 are equipped with second
Sealing ring, heat sink 9 are mainly connected to circuit board 5, so needing to carry out waterproof sealing, water-stop sheet 6 can touch stator 8, institute
To be also required to carry out corresponding sealing, and since water pump body is tubular, it is possible to select O-ring seal so that waterproof
Performance is more stablized comprehensively, avoids the occurrence of because infiltration is to burn out the appearance of line condition, makes to influence the normal of water pump
With.
The bottom cover 3 is equipped with the power supply string holes 14 for external power supply, and the circuit board 5 is with power supply string holes 14 by connecing
Line terminals connect, and circuit board 5 is located in bottom cover 3, and by being connected to power supply string holes 14 to obtain power drive water pump, thus
The automatic operating of water pump is realized by the control of circuit board 5, it is simple and convenient.Threading hole is offered on the heat sink 9, it is described
The power cord of stator 8 is connected to circuit board 5 by the threading hole, and the threading hole is equipped with third sealing ring, and stator 8 needs
It is connected on circuit board 5, and magnetic field is changed according to the instruction of circuit board 5, to drive rotor 7 to work, so in heat sink 9
On offer threading hole, for by the power cord of stator 8, so natural is also required to setting sealing on threading hole
Circle, the power cord of stator 8 are passed through out of sealing ring, and since circuit is static, so not will produce the risk of leak, ensure
The safe operation of circuit board 5.
It is coated with heat transfer medium on two end faces of the heat sink 9, cooling fin is additionally provided on the circuit board 5, is being dissipated
It is coated with heat transfer medium on two end faces of hot plate 9 and cooling fin is set on circuit board 5 also for the heat dissipation for strengthening circuit board 5
Effect allows heat to be more quickly transmitted on heat sink 9 by cooling fin, and the both ends of heat sink 9 are coated with biography
Thermal medium so that heat can quickly be taken away by medium, and heat dissipation effect is also just enhanced so that the use of circuit board 5 is more steady
It is fixed effective.
The rotor 7 includes shaft 15, and the impeller 4 is mounted on the other end of the shaft 15 relative to circuit board 5, described
The left and right ends of shaft 15 are mounted on bearing, since rotor 7 needs constantly to rotate, so being provided at both ends with axis in shaft 15
It holds, simultaneously because medium can be flowed through from 7 outer end of rotor, so medium can also play the effect of lubrication bearing so that 7 turns of rotor
Move up it is more smooth, to improve the transmission efficiency of water pump entirety.The pump shell 1 is integrated injection molding, passes through
Above-mentioned technical proposal is used, because pump shell 1 is the important component for participating in heat dissipation cycle, integrated injection molding is simple
Convenient, flow is simple, and can guarantee the stability of connection, while not having infiltration.
The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (9)
1. a kind of electronic water pump to be radiated using itself fluid media (medium), the electronic water pump includes impeller（4）, rotor（7）, circuit
Plate（5）And the pump shell of tubular（1）, the pump shell（1）Both ends be connected separately with pump cover（2）And bottom cover（3）, described
Pump cover（2）With pump shell（1）It connects and composes for placing impeller（4）Inner cavity, it is characterized in that：The pump shell（1）It is interior
It is connected with housing, the rotor（7）It is placed in housing, and is formed with the air gap that water supply stream passes through between the two, the bottom
Lid（3）Relative rotor（7）Side successively be equipped with heat sink（9）And water-stop sheet（6）, the heat sink（9）With water-stop sheet（6）Structure
At accommodating cavity（10）, the water-stop sheet（6）On offer for accommodating cavity to be connected（10）With the through-hole of air gap, the housing phase
To pump cover（2）One end offer the flowing hole for air gap and inner cavity to be connected, opened up on the inner wall of the water pump body useful
In conducting inner cavity and accommodating cavity（10）Circulation road（12）, the circuit board（5）Mounted on heat sink（9）Opposite water-stop sheet（6）
The other side.
2. a kind of electronic water pump to be radiated using itself fluid media (medium) according to claim 1, it is characterized in that：The circulation
Road（12）Positioned at pump cover（2）Outer and be equipped with multiple, multiple circulation roads（12）Rounded arrangement is distributed on pump shell（1）It is interior
On side wall.
3. a kind of electronic water pump to be radiated using itself fluid media (medium) according to claim 1, it is characterized in that：The overcurrent
Hole corresponds to impeller（4）Center is arranged.
4. a kind of electronic water pump to be radiated using itself fluid media (medium) according to claim 1, it is characterized in that：The heat dissipation
Plate（9）With pump shell（1）Junction be equipped with the first sealing ring, the water-stop sheet（6）With pump shell（1）Junction set
There is the second sealing ring.
5. a kind of electronic water pump to be radiated using itself fluid media (medium) according to claim 1, it is characterized in that：The bottom cover
（3）It is equipped with the power supply string holes for external power supply（14）, the circuit board and power supply string holes（14）It is connected by connecting terminal.
6. a kind of electronic water pump to be radiated using itself fluid media (medium) according to claim 1, it is characterized in that：The heat dissipation
Plate（9）On offer threading hole, the stator of the electronic water pump（8）Power cord circuit board is connected to by the threading hole
（5）, third sealing ring is equipped at the threading hole.
7. a kind of electronic water pump to be radiated using itself fluid media (medium) according to claim 1, it is characterized in that：The rotor
（7）Including shaft（15）, the impeller（4）Mounted on shaft（15）Relative to circuit board（5）The other end on, the shaft
（15）Left and right ends be mounted on bearing.
8. a kind of electronic water pump to be radiated using itself fluid media (medium) according to claim 1, it is characterized in that：The shielding
Set is made of stainless steel material.
9. a kind of electronic water pump to be radiated using itself fluid media (medium) according to claim 1, it is characterized in that：The water pump
Shell（1）It is integrated injection molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820269789.4U CN207974973U (en) | 2018-02-25 | 2018-02-25 | A kind of electronic water pump to be radiated using itself fluid media (medium) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820269789.4U CN207974973U (en) | 2018-02-25 | 2018-02-25 | A kind of electronic water pump to be radiated using itself fluid media (medium) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207974973U true CN207974973U (en) | 2018-10-16 |
Family
ID=63767971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820269789.4U Expired - Fee Related CN207974973U (en) | 2018-02-25 | 2018-02-25 | A kind of electronic water pump to be radiated using itself fluid media (medium) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207974973U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488441A (en) * | 2019-01-15 | 2019-03-19 | 成都富临精工电子电器科技有限公司 | A kind of electronic water pump for automobile |
| CN110094342A (en) * | 2019-06-18 | 2019-08-06 | 苏州玲珑汽车科技有限公司 | Electronic water pump for automobile and automobile based on cooling cycle water route |
| CN110195706A (en) * | 2018-02-25 | 2019-09-03 | 常州迪卡奔机电有限公司 | A kind of electronic water pump to be radiated using itself medium |
| CN110374836A (en) * | 2019-06-12 | 2019-10-25 | 同济大学 | A kind of constant-temp. electronic water pump |
-
2018
- 2018-02-25 CN CN201820269789.4U patent/CN207974973U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110195706A (en) * | 2018-02-25 | 2019-09-03 | 常州迪卡奔机电有限公司 | A kind of electronic water pump to be radiated using itself medium |
| CN109488441A (en) * | 2019-01-15 | 2019-03-19 | 成都富临精工电子电器科技有限公司 | A kind of electronic water pump for automobile |
| CN109488441B (en) * | 2019-01-15 | 2024-01-26 | 四川芯智热控技术有限公司 | Automobile electronic water pump |
| CN110374836A (en) * | 2019-06-12 | 2019-10-25 | 同济大学 | A kind of constant-temp. electronic water pump |
| CN110094342A (en) * | 2019-06-18 | 2019-08-06 | 苏州玲珑汽车科技有限公司 | Electronic water pump for automobile and automobile based on cooling cycle water route |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20181016 Termination date: 20200225 |