CN206023443U - A kind of liquid-cooled motor and its control device all-in-one - Google Patents
A kind of liquid-cooled motor and its control device all-in-one Download PDFInfo
- Publication number
- CN206023443U CN206023443U CN201620956113.3U CN201620956113U CN206023443U CN 206023443 U CN206023443 U CN 206023443U CN 201620956113 U CN201620956113 U CN 201620956113U CN 206023443 U CN206023443 U CN 206023443U
- Authority
- CN
- China
- Prior art keywords
- cooling passage
- motor
- control device
- cooling
- wall
- 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.)
- Withdrawn - After Issue
Links
Landscapes
- Motor Or Generator Cooling System (AREA)
Abstract
The utility model provides a kind of liquid-cooled motor and its control device all-in-one, including shell, motor inner core and control device, motor inner core and control device are located inside the shell, shell has cooling passage, during so that coolant flowing in the cooling passage, motor inner core and control device can be cooled down.The inside the shell that motor inner core and control device are arranged on integral type, shell is cooled down by cooling passage, achieve the motor inner core to being arranged on inside the shell and the cooling of control device, so as to substantially reduce the space that motor inner core is taken with control device, also save a set of cooling system simultaneously, reduce cost.
Description
Technical field
The utility model is related to a kind of liquid-cooled motor and its control device all-in-one.
Background technology
Electric automobile (BEV) refers to vehicle power as power, is travelled with power wheel, meet road traffic, peace
The vehicle of full regulation requirements.As the relatively conventional automobile of electric automobile effect on environment is less, its prospect is extensively had an optimistic view of.
Motor therein is the core component of electric automobile, as motor long-time is in high-speed rotation, can produce substantial amounts of heat,
Typically motor is cooled down using liquid cooling system at present.In addition, the control device power density of controlled motor rotating speed is big,
Electric current during work is larger, also can produce substantial amounts of heat, at present typically using air cooling system or liquid cooling system to control device
Cool down.Connected by wire between motor and control device.
But, there is problems with said structure：1st, motor and control device need two independent cooling systems, and this shows
Both volumes can so be increased, be unfavorable for installing in the narrow and small automobile engine nacelle, two cooling systems are manufactured in addition
This height, installation time are long；2nd, the wire between motor and control device is outer interior to being exposed at enging cabin, on the one hand arranges in a jumble,
Enging cabin integral arrangement is affected, on the other hand exposed wire is easily aging or is damaged, and causes motor cisco unity malfunction,
Even can be accidents caused when serious.
Therefore, how existing Motor for Electric Automobile is improved, be those skilled in the art urgently to be resolved hurrily one
Individual problem.
Utility model content
Main purpose of the present utility model is to provide a kind of motor body the all-in-one integrated with control device, motor
Body shares a cooling system with control device, so as to reduce production cost, and improves space availability ratio.
For reaching object above, the utility model provides a kind of liquid-cooled motor and its control device all-in-one, including outer
Shell, motor inner core and control device, the motor inner core and the control device are located at the inside the shell, the shell tool
There is cooling passage, during so that coolant flowing in the cooling passage, the motor inner core and the control can be cooled down
Device processed.
The motor inner core and the control device are arranged on the utility model the inside the shell of integral type, using institute
The coolant that states in cooling passage is cooled down to the shell, namely is achieved in the motor to being arranged on the inside the shell
Core and the cooling of control device, so as to, while motor inner core is reduced and control device takes up room, save cost, will pass
Two cooling systems of system are kept to a cooling system.
Preferably, the shell includes forming motor installation cavity, the electricity in motor section and control unit, the motor section
Machine inner core is located in the motor installation cavity, the control unit and forms control installation cavity, and the control device is located at the control
In installation cavity, the cooling passage is formed at the motor section and the control unit.
By the shell is divided into motor section and control unit so that the motor inner core and the control device are being installed
Shi Gengwei is convenient, improves the efficiency of assembling.It is noted that the motor section and the control unit can be one into
After type, or respectively shaping, connected as one by connected modes such as bolts.When the shell is integrally formed, be conducive to
Ensure that the sealing of the cooling passage, it is to avoid coolant occur in the junction of the motor section and the control unit and let out
The problem of dew.
Preferably, the cooling passage includes being formed at the first cooling passage of motor section side wall and the 3rd cold
But liquid passage, and be formed at the second cooling passage of the control unit, first cooling passage and described 3rd cold
But one end of liquid passage respectively with ft connection, the two ends of second cooling passage respectively with first cooling passage
Connect with the 3rd cooling passage, so as to coolant is suitable to enter from one end of first cooling passage, flow through institute
After stating the first cooling passage, the second cooling passage and the 3rd cooling passage, from the 3rd cooling passage
Flow out one end.
Preferably, the junction of the motor section and the control unit has first through hole and the second through hole, and described first
Through hole connects first cooling passage and second cooling passage, and second through hole connects second coolant
Passage and the 3rd cooling passage.
Preferably, the bottom surface of the control unit forms the cooling chamber of opening upwards, the first through hole and described second
Through hole is connected with the two ends of the cooling chamber respectively, and the control unit also includes that a dissipating cover, the dissipating cover are removably pacified
Opening loaded on the cooling chamber, so that form second cooling passage between the cooling chamber and the dissipating cover.
It is designed as removably being advantageous in that by the dissipating cover：Facilitate repair and maintenance；Can be according to the control device
Concrete shape or structure, assemble the dissipating cover of different shape or structure, so as to meet different area of dissipations or radiating area
The demand in domain, improves radiating efficiency；The processing of the housing is also allowed in addition.
Preferably, the edge of the cooling chamber forms seal strip groove, and a sealing strip is located in the seal strip groove, so that
Seal between the cooling chamber and the dissipating cover.
Preferably, the first through hole and second through hole form inclined-plane or circular arc with the connectivity part of the cooling chamber
Face, so that liquid is smoothly introduced into or flows out the cooling chamber.
Preferably, first cooling passage and the 3rd cooling passage serpentine-like and head and the tail respectively formed
Side wall in the motor section.
First cooling passage and the serpentine-like setting of the 3rd cooling passage, increased coolant with the motor section
Contact area, improve cooling effect.First cooling passage and the 3rd cooling passage head and the tail are alternate,
I.e.：The head end of first cooling passage is close with the tail end of the 3rd cooling passage but does not connect, and described first is cold
But the tail end of liquid passage is close with the head end of the 3rd cooling passage but does not connect.The head and the tail of second cooling passage
Head end and threeth coolant of the two ends by the first through hole and the second through hole respectively with first cooling passage
The tail end connection of passage, so that ensure that the first cooling passage and the 3rd cooling passage and the motor section to the full extent
Contact area, and cause coolant can smoothly flow through second cooling passage.
Preferably, the side wall of the motor section includes madial wall, lateral wall, front side wall, rear wall and multiple retaining walls, institute
Madial wall is stated for cylinder, the motor installation cavity is formed in the madial wall, the lateral wall around outside the madial wall,
So as to form annular housing between outboard sidewalls, the front side wall and the rear wall be detachably arranged at the madial wall and
The rear and front end of the lateral wall, so as to by the closed at both ends of the annular housing, each retaining wall located at the lateral wall with
In annular housing between the madial wall, so as to form first cooling passage and described 3rd cold between each wall
But liquid passage, the lateral wall also have inlet and liquid outlet, and the inlet will first cooling passage and outside
Connection, the liquid outlet is by the 3rd cooling passage and ft connection.
Preferably, the all-in-one also includes that flow control valve and temperature sensor, the flow control valve are located at institute
Inlet is stated, the temperature sensor is controlled in installation cavity, for monitoring the temperature of the control device, the temperature located at described
Degree sensor is connected with the flow control valve signal, so that the flow control valve can be according to the temperature sensor monitors
The speed that the temperature control coolant for arriving is entered.
By the flow control valve and the temperature sensor, the motor inner core and the control device can be avoided
There is the slow or too fast situation of lowering the temperature that radiated, so as to reach a suitable cooling effect, on the other hand advantageously reduce
Energy consumption.
Preferably, the inside the shell is provided with busbar, and the busbar is rigid structure, and the busbar is by the motor
Inner core is electrically connected with the control device.Electrical connection is realized using the busbar, makes arrangements of conductors more neat, structure is more
Firm, and wire is arranged on the enclosure, it is to avoid which is damaged because of external factor.
Description of the drawings
Fig. 1 is the schematic perspective view according to first preferred embodiment of the present utility model.
Fig. 2 is the schematic perspective view according to first preferred embodiment of the present utility model.
Fig. 3 is the explosive view according to first preferred embodiment of the present utility model.
Fig. 4 is the phantom according to first preferred embodiment of the present utility model.
Fig. 5 is the simplified diagram according to first preferred embodiment of the present utility model.
Fig. 6 is the simplified diagram according to first preferred embodiment of the present utility model.
Fig. 7 is the partial schematic diagram according to first preferred embodiment of the present utility model.
Fig. 8 shows a preferred embodiment of dissipating cover.
Fig. 9 shows a variant embodiment of dissipating cover.
Figure 10 is the schematic perspective view of the drive end bearing bracket according to first preferred embodiment of the present utility model.
Figure 11 is the partial schematic diagram according to first preferred embodiment of the present utility model.
Figure 12 is the part explosive view according to second preferred embodiment of the present utility model.
Specific embodiment
Hereinafter describe for disclosing the utility model so that those skilled in the art can realize the utility model.Hereinafter retouch
Preferred embodiment in stating is only used as illustrating, it may occur to persons skilled in the art that other obvious modifications.
Fig. 1-Figure 11 shows that first of a kind of liquid-cooled motor of the present utility model and its control device all-in-one is excellent
Select embodiment.The all-in-one includes shell 1, motor inner core 2 and control device (not shown), the motor inner core 2
And the control device, in the shell 1, the shell 1 has cooling passage 10, so that coolant is described
In cooling passage 10 during flowing, the motor inner core 2 and the control device can be cooled down.
The common knowledge for being specifically configured to this area of the control device, the utility model are no longer described in detail.
The shell 1 includes motor section 11 and control unit 12, forms motor installation cavity 110, institute in the motor section 11
Stating motor inner core 2, control installation cavity 120, the control device is formed in the motor installation cavity 110, the control unit 12
In the control installation cavity 120, the cooling passage 10 is formed at the motor section 11 and the control unit 12.
The cooling passage 10 includes that the first cooling passage 101 and the 3rd for being formed at 11 side wall of the motor section is cold
But liquid passage 103, and the second cooling passage 102 for being formed at the control unit 12.First cooling passage, 101 He
One end of 3rd cooling passage 103 respectively with ft connection, the two ends of second cooling passage 102 respectively with institute
State the first cooling passage 101 to connect with the 3rd cooling passage 103, so as to coolant is suitable to from first coolant
One end of passage 101 enters, and flows through first cooling passage 101, the second cooling passage 102 and the 3rd cooling passage
After 103, flow out from one end of the 3rd cooling passage 103.
Fig. 5, Fig. 6 are the rough schematic view of the cooling passage 10, and dotted arrow represents the first cooling passage 101,
Solid arrow represents that the second cooling passage 102, dash-dot arrows represent the 3rd cooling passage 103.
In first preferred embodiment, the shell 1 is formed in one, namely the motor section 11 and the control unit
12 major part is integrally formed, as shown in Figure 3.The motor section 11 has first through hole with the junction of the control unit 12
103 and second through hole 104, the first through hole 103 connects first cooling passage 101 with second cooling passage
102, second through hole 104 connects second cooling passage 102 and the 3rd cooling passage 103.
First cooling passage 101 and the 3rd cooling passage 103 serpentine-like and head and the tail be respectively formed at
The side wall of the motor section 12.
The side wall of the motor section 11 includes madial wall 111, lateral wall 112, front side wall 113, rear wall 114 and multiple
Retaining wall 115.The madial wall 111 is cylinder, forms the motor installation cavity 110 in the madial wall 111.The lateral wall
112 around outside the madial wall 11, so as to form annular housing between outboard sidewalls.The front side wall 113 and described after
Side wall 114 is detachably arranged at the rear and front end of the madial wall 111 and the lateral wall 112, so as to by the annular housing
Closed at both ends, each retaining wall 115 in annular housing between the lateral wall 112 and the madial wall 111, so as to
First cooling passage 101 and the 3rd cooling passage 103 is formed between each wall.The lateral wall 112 is also
There is inlet 1121 and liquid outlet 1122, the inlet 1121 is by first cooling passage 101 and ft connection, institute
Liquid outlet 1122 is stated by the 3rd cooling passage 103 and ft connection.
The bottom surface of the control unit 12 forms the cooling chamber 121 of opening upwards, the first through hole 103 and described second
Through hole 104 is connected with the two ends of the cooling chamber 121 respectively, and the control unit 12 also includes a dissipating cover 122, the dissipating cover
122 openings for being removably installed in the cooling chamber 121, so as to shape between the cooling chamber 121 and the dissipating cover 122
Into second cooling passage 102.
The edge of the cooling chamber 121 forms seal strip groove 1210, and a sealing strip 1211 is located at the seal strip groove 1210
Interior, so that sealing between the cooling chamber 121 and the dissipating cover 122.
The shape or structure of the dissipating cover 122 can change according to different radiating requirements.Fig. 9 is the dissipating cover
One variant embodiment of 122A, the surface of the dissipating cover 122A form multiple hollow fin, so as to be conducive to improving
Radiating efficiency.
The first through hole 103 and second through hole 104 form inclined-plane or circular arc with the connectivity part of the cooling chamber 121
Face, so that liquid is smoothly introduced into or flows out the cooling chamber 121.
The all-in-one also includes flow control valve 13 and temperature sensor 14, and the flow control valve 13 is located at described
Inlet 1121.The temperature sensor 14 is controlled in installation cavity 120, for monitoring the temperature of the control device 3 located at described
Degree.The temperature sensor 14 is connected with 13 signal of the flow control valve, so that the flow control valve 13 can be according to institute
State the speed of the temperature control coolant entrance that temperature sensor 14 is monitored.
The control system includes that power connection 31 and control joint 32, the power connection 31 are used for connecting vehicle mounted electric
Source, the control joint 32 are used for connecting vehicle control syetem, so as to implementing control and feeding back the work of the motor inner core 2.
It is provided with busbar 15 in the shell 1, the busbar 15 is rigid structure, the busbar 15 is by the motor
Inner core 2 is electrically connected with the control device 3.The busbar 15 includes multiple copper bars 151, is replaced using the copper bar 151 general
Admittance line so that the line conductor row 15 is more neat, and structure is more firm.
The bottom surface of the control unit 12 also has a wire guide 123, and the upper end of the front side wall 113 of the motor section 11 has
One wire through-hole 1130, the wire through-hole 1130 are connected with the motor installation cavity 110, and each copper bar 151 passes through described
Wire guide 123 and the wire through-hole 1130 are extended in the motor installation cavity 110, and are electrically connected with the motor inner core 2
Connect.It is noted that the wire guide 123 is relative with the wire through-hole 1130, namely the wire guide 123 is led with described
Seal between line three-way hole 1130.
The front side wall 113 includes covering 1131 and drive end bearing bracket 1132.The wire through-hole 1130 be formed at described before
End cap 1132, the middle part of the drive end bearing bracket 1132 form through hole, so that the copper bar 151 can pass through the through hole and the electricity
Machine inner core 2 is electrically connected.The capping 1131 is detachably arranged at the drive end bearing bracket 1132, for by the motor installation cavity 110
Closing, so as to avoid the environment in the external world from producing impact to the motor inner core 2.
Figure 12 shows second preferred reality of a kind of liquid-cooled motor of the present utility model and its control device all-in-one
Example is applied, which is with the difference of first preferred embodiment, the motor section 11 ' of the shell 1 ' and control unit 12 ' are molded respectively,
Shaping rear motor portion 11 ' and control unit 12 ' are bolted and are integrated.
General principle of the present utility model, principal character and advantage of the present utility model has been shown and described above.One's own profession
The technical staff of industry it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply principle of the present utility model, on the premise of without departing from the utility model spirit and scope, the utility model also has respectively
Changes and improvements are planted, these changes and improvements are both fallen within the range of claimed the utility model.The utility model is required
Protection domain defined by appending claims and its equivalent.
Claims (10)
1. a kind of liquid-cooled motor and its control device all-in-one, it is characterised in that including shell, motor inner core and control dress
Put, the motor inner core and the control device are located at the inside the shell, and the shell has cooling passage, so that cold
But, when liquid flows in the cooling passage, the motor inner core and the control device can be cooled down.
2. all-in-one according to claim 1, it is characterised in that the shell includes motor section and control unit, described
Motor installation cavity is formed in motor section, and the motor inner core is located in the motor installation cavity, the control unit and forms control peace
It behave affectedly, in the control installation cavity, the cooling passage is formed at the motor section and the control to the control device
Portion processed.
3. all-in-one according to claim 2, it is characterised in that the cooling passage includes being formed at the motor section
First cooling passage and the 3rd cooling passage of side wall, and it is formed at the second cooling passage of the control unit, institute
State one end of the first cooling passage and the 3rd cooling passage respectively with ft connection, second cooling passage
Two ends are connected with first cooling passage and the 3rd cooling passage respectively, so as to coolant is suitable to from described first
One end of cooling passage enters, after flowing through first cooling passage, the second cooling passage and the 3rd cooling passage,
Flow out from one end of the 3rd cooling passage.
4. all-in-one according to claim 3, it is characterised in that the motor section is had with the junction of the control unit
First through hole and the second through hole, the first through hole connect first cooling passage and second cooling passage, institute
State the second through hole and connect second cooling passage and the 3rd cooling passage.
5. all-in-one according to claim 4, it is characterised in that the bottom surface of the control unit has the cold of opening upwards
But room, the first through hole are connected with the two ends of the cooling chamber respectively with second through hole, and the control unit also includes one
Dissipating cover, the dissipating cover are removably installed in the opening of the cooling chamber, so as in the cooling chamber and the dissipating cover
Between form second cooling passage.
6. all-in-one according to claim 5, it is characterised in that the first through hole and second through hole are cold with described
But the connectivity part of room forms inclined-plane or arc surface, so that liquid is smoothly introduced into or flows out the cooling chamber.
7. all-in-one according to claim 6, it is characterised in that first cooling passage and the 3rd coolant
Passage is serpentine-like and head and the tail are respectively formed at the side wall of the motor section.
8. all-in-one according to claim 7, it is characterised in that the side wall of the motor section include madial wall, lateral wall,
Front side wall, rear wall and multiple retaining walls, the madial wall are to form the motor installation cavity in cylinder, the madial wall,
The lateral wall around outside the madial wall, so as to form annular housing, the front side wall and described between outboard sidewalls
Rear wall is detachably arranged at the rear and front end of the madial wall and the lateral wall, so as to two end seals by the annular housing
Close, each retaining wall is located in the annular housing between the lateral wall and the madial wall, so as to be formed between each wall
First cooling passage and the 3rd cooling passage, the lateral wall also have inlet and a liquid outlet, described enter
By first cooling passage and ft connection, the liquid outlet is by the 3rd cooling passage and ft connection for liquid mouth.
9. all-in-one according to claim 8, it is characterised in that the all-in-one also includes flow control valve and temperature
Sensor, the flow control valve are located at the inlet, and the temperature sensor is controlled in installation cavity, for supervising located at described
The temperature of the control device is surveyed, the temperature sensor is connected with the flow control valve signal, so that the flow control
Valve processed can enter the speed of the cooling passage according to the temperature control coolant that the temperature sensor monitors are arrived.
10., according to the arbitrary described all-in-one of claim 1-9, it is characterised in that the inside the shell is provided with busbar, described lead
Electricity row is rigid structure, and the motor inner core electrically connected by the busbar with the control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620956113.3U CN206023443U (en) | 2016-08-20 | 2016-08-20 | A kind of liquid-cooled motor and its control device all-in-one |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620956113.3U CN206023443U (en) | 2016-08-20 | 2016-08-20 | A kind of liquid-cooled motor and its control device all-in-one |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206023443U true CN206023443U (en) | 2017-03-15 |
Family
ID=58252797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620956113.3U Withdrawn - After Issue CN206023443U (en) | 2016-08-20 | 2016-08-20 | A kind of liquid-cooled motor and its control device all-in-one |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206023443U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106300779A (en) * | 2016-08-20 | 2017-01-04 | 宁波云控电气有限公司 | A kind of liquid-cooled motor and control device all-in-one thereof |
| CN108569125A (en) * | 2017-10-12 | 2018-09-25 | 蔚来汽车有限公司 | Power drive system and the automobile for including the power drive system |
| CN109980834A (en) * | 2017-12-27 | 2019-07-05 | 上海大郡动力控制技术有限公司 | Cooling structure for automobile motor |
| CN110546866A (en) * | 2017-04-28 | 2019-12-06 | 株式会社电装 | rotating electrical machine |
-
2016
- 2016-08-20 CN CN201620956113.3U patent/CN206023443U/en not_active Withdrawn - After Issue
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106300779A (en) * | 2016-08-20 | 2017-01-04 | 宁波云控电气有限公司 | A kind of liquid-cooled motor and control device all-in-one thereof |
| CN106300779B (en) * | 2016-08-20 | 2018-11-09 | 宁波云控电气有限公司 | A kind of liquid-cooled motor and its control device all-in-one machine |
| CN110546866A (en) * | 2017-04-28 | 2019-12-06 | 株式会社电装 | rotating electrical machine |
| CN110546866B (en) * | 2017-04-28 | 2021-07-06 | 株式会社电装 | Rotating electrical machine |
| CN108569125A (en) * | 2017-10-12 | 2018-09-25 | 蔚来汽车有限公司 | Power drive system and the automobile for including the power drive system |
| EP3696001A4 (en) * | 2017-10-12 | 2021-04-28 | NIO (Anhui) Holding Co., Ltd. | Electric driving system and vehicle comprising electric driving system |
| CN109980834A (en) * | 2017-12-27 | 2019-07-05 | 上海大郡动力控制技术有限公司 | Cooling structure for automobile motor |
| CN109980834B (en) * | 2017-12-27 | 2021-01-29 | 上海大郡动力控制技术有限公司 | Cooling structure for vehicle motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106300779B (en) | A kind of liquid-cooled motor and its control device all-in-one machine | |
| CN206023443U (en) | A kind of liquid-cooled motor and its control device all-in-one | |
| CN206237254U (en) | Motor liquid cooling structure | |
| CN103973049A (en) | Motor and vehicle with same | |
| CN104036966B (en) | Water cooling super capacitor mould group and its cabinet and vehicle | |
| CN206211347U (en) | A kind of preassembled transformer station | |
| CN208637490U (en) | A kind of power battery box of electric vehicle for being easy to radiate and install | |
| CN208548780U (en) | A kind of new energy permanent magnet synchronous motor casing based on magnesium alloy | |
| CN209804729U (en) | Heat dissipation device for lead-acid storage battery | |
| CN110994075B (en) | Battery heat dissipation device of electric automobile | |
| CN203637544U (en) | Battery box for electric motor coach | |
| CN206135602U (en) | Mining explosion -proof electric machine | |
| CN206498284U (en) | A kind of dust-protection type quick heat radiating motor | |
| CN216250956U (en) | Lower box body of aluminum profile liquid cooling integrated battery pack | |
| CN205377536U (en) | Water -cooled motor | |
| CN203562811U (en) | Electric vehicle charger | |
| CN209767326U (en) | Heat radiation structure of brush generator | |
| CN208484557U (en) | A kind of air-cooled three-in-one integrated manipulator | |
| CN208731136U (en) | A kind of electric elements mounting structure of electric bicycle | |
| CN207854343U (en) | A kind of solar energy electric vehicle controller | |
| CN203279439U (en) | Air cooling motor controller | |
| CN203327466U (en) | Special heat radiator for battery electric vehicle main drive motor controller | |
| CN205075026U (en) | Electric tool's wind path structure | |
| CN208045578U (en) | A kind of novel lithium battery installation case | |
| CN202949687U (en) | Inserting sheet type motor control box air-cooling heat radiation structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170315 Effective date of abandoning: 20181109 |
|
| AV01 | Patent right actively abandoned |