CN109588019A - It is a kind of with the electric machine controller for following liquid cooling structure - Google Patents
It is a kind of with the electric machine controller for following liquid cooling structure Download PDFInfo
- Publication number
- CN109588019A CN109588019A CN201811634898.2A CN201811634898A CN109588019A CN 109588019 A CN109588019 A CN 109588019A CN 201811634898 A CN201811634898 A CN 201811634898A CN 109588019 A CN109588019 A CN 109588019A
- Authority
- CN
- China
- Prior art keywords
- heat
- block
- cooling unit
- catheters
- temperature sensor
- 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.)
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Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
- H05K7/20254—Cold plates transferring heat from heat source to coolant
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
- H05K7/20263—Heat dissipaters releasing heat from coolant
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
- H05K7/20272—Accessories for moving fluid, for expanding fluid, for connecting fluid conduits, for distributing fluid, for removing gas or for preventing leakage, e.g. pumps, tanks or manifolds
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
- H05K7/20281—Thermal management, e.g. liquid flow control
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a kind of with the electric machine controller for following liquid cooling structure, including box body, circuit board, the second heat-conducting block, liquid storage container, feed liquor unit, two cooling units and two temperature sensors with the first heat-conducting block of the circuit board contacts and the circuit board contacts.Electric machine controller of the invention can be different to circuit board region carry out differentiation heat dissipation, thus heat dissipation it is more intelligent.
Description
Technical field
The present invention relates to motor fields, and in particular to a kind of with the electric machine controller for following liquid cooling structure.
Background technique
Electric machine controller is the important component for controlling the operations such as motor positive and inverse, revolving speed, emergency stop, with new-energy automobile skill
The importance of the development of art, electric machine controller more highlights, and electric machine controller is needed to have high stability, but motor control
Device processed is easy fever in use, and fever for a long time may cause controller performance decline, and due to electric machine controller
Board area it is larger, the electronic component of different position installations is also different, and calorific value is also different, however existing control
Device can not achieve intelligent heat dissipation.
Summary of the invention
Goal of the invention: it the present invention is directed to overcome the deficiencies of existing technologies, provides a kind of with the motor for following liquid cooling structure
Controller.
Technical solution: a kind of with the electric machine controller for following liquid cooling structure, including box body, circuit board and the circuit
First heat-conducting block of plate contact and the second heat-conducting block, liquid storage container, feed liquor unit, the two cooling lists of the circuit board contacts
Member, the cooling unit include out sap cavity, the outlet tube being connect with sap cavity out, multiple first catheters, multiple second catheters,
Multiple third catheters, the first inlet tube being all connected with multiple first catheters, be all connected with multiple second catheters the
Two inlet tubes and the third inlet tube being all connected with multiple third catheters, the multiple first catheter, multiple second drains
Pipe and multiple third catheters are connect with the sap cavity out, and the outlet tube of two cooling units connects with the liquid storage container
It connects, less than the section of the second heat conducting pipe, the section of the second heat conducting pipe is less than the section of third heat conducting pipe in the section of the first heat conducting pipe；
Corresponding first heat-conducting block of one of cooling unit, and multiple first catheters of the cooling unit, multiple second catheters and
Multiple third catheters both pass through the first heat-conducting block, corresponding second heat-conducting block of another cooling unit, and the cooling unit is more
A first catheter, multiple second catheters and multiple third catheters both pass through the second heat-conducting block；The feed liquor unit includes
Motor, straight channel, the main inlet tube for connecting straight channel and liquid storage container, the circulating pump being arranged on main inlet tube, described first,
Two, three inlet tubes are connected to the straight channel, have straight guide rod and movable block in the straight channel, and the movable block is connected with
The sliding block that can be slided on straight guide rod, the movable block have first through hole and the second through-hole, and the motor shaft of the motor connects
It is connected to screw rod, the screw rod protrudes into straight channel, and the movable block has the threaded hole cooperated with screw rod, the end of the straight channel
Portion has the bearing cooperated with screw rod；One end that first inlet tube is connect with main inlet tube is the first connecting pin, described the
One end that two inlet tubes are connect with main inlet tube is second connection end, and one end that the third inlet tube is connect with main inlet tube is
Third connecting pin；The driving motor can drive the movable block to be in first position, the second position and the third place, work as work
When motion block is in first position, the second connection end of first through hole cooling unit corresponding with the first heat-conducting block is connected to, and second is logical
The second connection end of hole cooling unit corresponding with the second heat-conducting block is connected to, and the first connecting pin of two cooling units and third connect
End is connect to be closed by movable block；When movable block is in the second position, first through hole cooling unit corresponding with the first heat-conducting block
The connection of third connecting pin, the first connecting pin of the second through-hole cooling unit corresponding with the second heat-conducting block is connected to, and first is thermally conductive
Second connection of the first connecting pin of the corresponding cooling unit of block, second connection end and the corresponding cooling unit of the second heat-conducting block
End, third connecting pin are closed by movable block；When movable block is in the third place, first through hole is corresponding with the first heat-conducting block
First connecting pin of cooling unit is connected to, the third connecting pin connection of the second through-hole cooling unit corresponding with the second heat-conducting block,
The second connection end of the corresponding cooling unit of first heat-conducting block, third connecting pin and the corresponding cooling unit of the second heat-conducting block
First connecting pin, second connection end are closed by movable block；
It further, further include the first temperature sensor and second temperature sensor, first temperature sensor is used for
The temperature of first area in box body is detected, the second temperature sensor is used to detect the temperature of second area in box body；It is described
Control unit for controlling motor and circulating pump is installed on circuit board；Described control unit is controlled, when the first and second temperature
When spending the absolute value of the difference of the measured value of sensor less than given threshold, movable block is made to be in first position；When the first and second temperature
The absolute value for spending the difference of the measured value of sensor is more than or equal to given threshold, and the measured value of the first temperature sensor is greater than the
When the measured value of two temperature sensors, movable block is made to be in the second position；When the difference of the measured value of the first and second temperature sensor
Absolute value be more than or equal to given threshold, and the first temperature sensor measurement value be less than second temperature sensor measured value when,
Movable block is set to be in the third place.
Further, the quantity of first catheter is less than or equal to the quantity of the second catheter, second catheter
Quantity be less than or equal to third catheter quantity.
Further, the liquid storage container is mounted on the box portion outside, and first and second heat-conducting block is mounted in box body
Portion.
Further, the outside of the liquid storage container has multiple radiating fins.
Further, the straight channel and the movable block are cuboid.
It further, further include warning device, controller is controlled, and is recorded each difference heat dissipation switching command and is issued
When, the absolute value of the difference of the first and second temperature sensor measurement value；And after setting time, if the first and second temperature passes
The absolute value of the difference of the measured value of sensor becomes larger when issuing relative to difference heat dissipation switching command, then makes warning device report
It is alert；The difference heat dissipation switching command is the instruction for making movable block be switched to the second position from first position, or makes activity
Block is switched to the instruction of the third place from first position.
Further, there is axle envelope at bearing.Prevent liquid leakage.
It further, further include warning device, control unit is controlled, and is recorded each difference heat dissipation switching command and is issued
When, the absolute value of the difference of the first and second temperature sensor measurement value；And difference radiates switching command sending by setting time
Afterwards, if the absolute value of the difference of the measured value of the first and second temperature sensor issues time-varying relative to difference heat dissipation switching command
It is big, then so that warning device is alarmed；The difference heat dissipation switching command is that movable block is made to be switched to the second position from first position
Instruction, or the instruction for making movable block be switched to the third place from first position.
Further, the setting time is constant.
Further, the setting time is 10 minutes.
Because control unit issues difference heat dissipation instruction, theoretical when the measured value difference of two temperature sensors becomes larger
On, after setting time, the region for needing more to radiate has strengthened heat dissipation, and the difference of two temperature sensors should become
It is small.Become larger if be also to continue with, illustrates that motor damage, movable block do not press instruction movement or other unexpected failures, in time
Warning reminding maintenance.
The utility model has the advantages that controller of the invention, can be realized the heat dissipation of coolant liquid circulating cooling, and according in controller not
Needs difference with region heat dissipation can also realize intelligent heat dissipation.Good heat dissipation effect.
Detailed description of the invention
Controller schematic diagram when Fig. 1 movable block is located at first position；
Controller schematic diagram when Fig. 2 movable block is located at the second position；
Controller schematic diagram when Fig. 3 movable block is located at the third place.
Specific embodiment
Appended drawing reference: 1 liquid storage container；1.1 first catheters；1.2 first inlet tubes；2.1 second catheters；2.2 second
Inlet tube；3.1 third catheters；3.2 third inlet tubes；4 go out sap cavity；4.1 outlet tube；5 straight channels；5.1 main inlet tubes；5.2
Circulating pump；6.1 first heat-conducting blocks；6.2 second heat-conducting blocks；7 movable blocks；7.1 first through hole；7.2 second through-holes；7.3 sliding block；
7.4 straight guide rods；7.5 screw rod；7.6 motor.
It is a kind of with the electric machine controller for following liquid cooling structure, including box body, circuit board, the with the circuit board contacts
One heat-conducting block 6.1, the second heat-conducting block 6.2, liquid storage container 1, feed liquor unit, two cooling units with the circuit board contacts,
The cooling unit includes that sap cavity 4, the outlet tube 4.1 connecting with sap cavity out, multiple first catheters 1.1, multiple second are led out
Liquid pipe 2.1, multiple third catheters 3.1, the first inlet tube 1.2 being all connected with multiple first catheters 1.1 and multiple second
The second inlet tube 2.2 that catheter 2.1 is all connected with and the third inlet tube 3.2 being all connected with multiple third catheters 3.1, it is described
Multiple first catheters 1.1, multiple second catheters 2.1 and multiple third catheters 3.1 are connect with the sap cavity 4 out, and two
The outlet tube of a cooling unit is connect with the liquid storage container 1, and the section of the first heat conducting pipe 1.1 is less than the second heat conducting pipe 2.1
Section, the section of the second heat conducting pipe 2.1 is less than the section of third heat conducting pipe 3.1；One of cooling unit corresponding first is led
Heat block 6.1, and multiple first catheters of the cooling unit, multiple second catheters and multiple third catheters both pass through first
Heat-conducting block 6.1, corresponding second heat-conducting block 6.2 of another cooling unit, and multiple first catheters, the Duo Ge of the cooling unit
Two catheters and multiple third catheters both pass through the second heat-conducting block 6.2；The feed liquor unit include motor 7.6, straight channel 5,
The main inlet tube 5.1 of connection straight channel and liquid storage container, the circulating pump 5.2 being arranged on main inlet tube 5.1, described first and second,
Three inlet tubes are connected to the straight channel 5, have straight guide rod 7.4 and movable block, the movable block connection in the straight channel
There is the sliding block 7.3 that can be slided on straight guide rod, the movable block has first through hole 7.1 and the second through-hole 7.2, the motor
Motor shaft be connected with screw rod 7.5, the screw rod protrudes into straight channel, and the movable block has the threaded hole that cooperates with screw rod,
The end of the straight channel has the bearing cooperated with screw rod；One end that first inlet tube is connect with main inlet tube is first
Connecting pin, one end that second inlet tube is connect with main inlet tube are second connection end, the third inlet tube and main feed liquor
One end of pipe connection is third connecting pin；The driving motor can drive the movable block to be in first position, the second position
And the third place, when movable block 7 is in first position, the second of first through hole cooling unit corresponding with the first heat-conducting block connects
End connection is connect, the second connection end connection of the second through-hole 7.2 cooling unit corresponding with the second heat-conducting block 6.2, two cooling single
The first connecting pin and third connecting pin of member are closed by movable block；When movable block is in the second position, first through hole and the
The third connecting pin of the corresponding cooling unit of one heat-conducting block is connected to, and the of the second through-hole cooling unit corresponding with the second heat-conducting block
The connection of one connecting pin, the first connecting pin, second connection end and the second heat-conducting block pair of the corresponding cooling unit of the first heat-conducting block
The second connection end for the cooling unit answered, third connecting pin are closed by movable block；When movable block is in the third place, first
First connecting pin of through-hole cooling unit corresponding with the first heat-conducting block is connected to, the cooling corresponding with the second heat-conducting block of the second through-hole
The third connecting pin of unit is connected to, the second connection end of the corresponding cooling unit of the first heat-conducting block, third connecting pin and second
First connecting pin of the corresponding cooling unit of heat-conducting block, second connection end are closed by movable block；In addition, control further includes also wrapping
The first temperature sensor and second temperature sensor are included, first temperature sensor is used to detect the temperature of first area in box body
Degree, the second temperature sensor are used to detect the temperature of second area in box body；It is equipped on the circuit board for controlling
The control unit of motor and circulating pump；Described control unit is controlled, when the difference of the measured value of the first and second temperature sensor
Absolute value be less than given threshold when, so that movable block is in first position；When the difference of the measured value of the first and second temperature sensor
Absolute value be more than or equal to given threshold, and the measured value of the first temperature sensor be greater than second temperature sensor measured value
When, so that movable block is in the second position；When the absolute value of the difference of the measured value of the first and second temperature sensor is more than or equal to setting
Threshold value, and the first temperature sensor measurement value be less than second temperature sensor measured value when, so that movable block is in the third place.
The quantity of first catheter is less than or equal to the quantity of the second catheter, and the quantity of second catheter is less than
Equal to the quantity of third catheter.The liquid storage container is mounted on the box portion outside, and first and second heat-conducting block is mounted on box
Internal portion.The outside of the liquid storage container has multiple radiating fins.The straight channel and the movable block are cuboid.
In addition controller also further includes warning device, and control unit is controlled, when recording each difference heat dissipation switching command sending, the
One, the absolute value of the difference of two temperature sensor measurement values；And after setting time, if the first and second temperature sensor
Measured value difference absolute value relative to difference heat dissipation switching command issue when become larger, then so that warning device is alarmed；Institute
Stating difference heat dissipation switching command is the instruction for making movable block be switched to the second position from first position, or makes movable block from the
One position is switched to the instruction of the third place.
Controller of the invention, as shown, under normal heat dispersal situations, the corresponding circuit board of the first and second heat-conducting block
Region radiating requirements it is similar, so that movable block is in first position, so that the corresponding cooling unit of the first and second heat-conducting block is all
It is radiated using the second catheter.Heat dissipation effect is similar.But under some special working conditions, first and second is thermally conductive
Radiating requirements required for the region of the corresponding circuit board of block are different, such as when the corresponding region of the first heat-conducting block needs stronger dissipate
When hot, so that the corresponding cooling unit of the first heat-conducting block is radiated using third catheter, the corresponding cooling unit of the second heat-conducting block
It is radiated using the first catheter.Conversely, when the corresponding region in the region that the second heat-conducting block faces needs stronger heat dissipation, make the
The corresponding cooling unit of one heat-conducting block is radiated using the first catheter, and the corresponding cooling unit of the second heat-conducting block utilizes third drain
Pipe heat dissipation, to enhance heat dissipation effect.Have the section of catheter bigger, by liquid mostly to heat dissipation effect it is more preferable.When
When the heat dissipation effect enhancing of one cooling unit, the heat dissipation effect of another cooling unit can die down a bit.But it such sets
Meter more can satisfy the rapid cooling in the region of long overheat, radiate more scientific.
Although the present invention is illustrated and has been described with regard to preferred embodiment, it is understood by those skilled in the art that
Without departing from scope defined by the claims of the present invention, variations and modifications can be carried out to the present invention.
Claims (7)
1. a kind of with the electric machine controller for following liquid cooling structure, which is characterized in that including box body, circuit board and the circuit
First heat-conducting block of plate contact and the second heat-conducting block, liquid storage container, feed liquor unit, the two cooling lists of the circuit board contacts
Member, the cooling unit include out sap cavity, the outlet tube being connect with sap cavity out, multiple first catheters, multiple second catheters,
Multiple third catheters, the first inlet tube being all connected with multiple first catheters, be all connected with multiple second catheters the
Two inlet tubes and the third inlet tube being all connected with multiple third catheters, the multiple first catheter, multiple second drains
Pipe and multiple third catheters are connect with the sap cavity out, and the outlet tube of two cooling units connects with the liquid storage container
It connects, less than the section of the second heat conducting pipe, the section of the second heat conducting pipe is less than the section of third heat conducting pipe in the section of the first heat conducting pipe；
Corresponding first heat-conducting block of one of cooling unit, and multiple first catheters of the cooling unit, multiple second catheters and
Multiple third catheters both pass through the first heat-conducting block, corresponding second heat-conducting block of another cooling unit, and the cooling unit is more
A first catheter, multiple second catheters and multiple third catheters both pass through the second heat-conducting block；The feed liquor unit includes
Motor, straight channel, the main inlet tube for connecting straight channel and liquid storage container, the circulating pump being arranged on main inlet tube, described first,
Two, three inlet tubes are connected to the straight channel, have straight guide rod and movable block in the straight channel, and the movable block is connected with
The sliding block that can be slided on straight guide rod, the movable block have first through hole and the second through-hole, and the motor shaft of the motor connects
It is connected to screw rod, the screw rod protrudes into straight channel, and the movable block has the threaded hole cooperated with screw rod, the end of the straight channel
Portion has the bearing cooperated with screw rod；One end that first inlet tube is connect with main inlet tube is the first connecting pin, described the
One end that two inlet tubes are connect with main inlet tube is second connection end, and one end that the third inlet tube is connect with main inlet tube is
Third connecting pin；The driving motor can drive the movable block to be in first position, the second position and the third place, work as work
When motion block is in first position, the second connection end of first through hole cooling unit corresponding with the first heat-conducting block is connected to, and second is logical
The second connection end of hole cooling unit corresponding with the second heat-conducting block is connected to, and the first connecting pin of two cooling units and third connect
End is connect to be closed by movable block；When movable block is in the second position, first through hole cooling unit corresponding with the first heat-conducting block
The connection of third connecting pin, the first connecting pin of the second through-hole cooling unit corresponding with the second heat-conducting block is connected to, and first is thermally conductive
Second connection of the first connecting pin of the corresponding cooling unit of block, second connection end and the corresponding cooling unit of the second heat-conducting block
End, third connecting pin are closed by movable block；When movable block is in the third place, first through hole is corresponding with the first heat-conducting block
First connecting pin of cooling unit is connected to, the third connecting pin connection of the second through-hole cooling unit corresponding with the second heat-conducting block,
The second connection end of the corresponding cooling unit of first heat-conducting block, third connecting pin and the corresponding cooling unit of the second heat-conducting block
First connecting pin, second connection end are closed by movable block.
2. according to claim 1 have the electric machine controller for following liquid cooling structure, which is characterized in that further include the first temperature
Sensor and second temperature sensor are spent, first temperature sensor is used to detect the temperature of first area in box body, described
Second temperature sensor is used to detect the temperature of second area in box body；It is equipped on the circuit board for controlling motor and following
The control unit of ring pump；Described control unit is controlled, when the absolute value of the difference of the measured value of the first and second temperature sensor
When less than given threshold, movable block is made to be in first position；When the absolute value of the difference of the measured value of the first and second temperature sensor
More than or equal to given threshold, and when the measured value of the first temperature sensor is greater than the measured value of second temperature sensor, make activity
Block is in the second position；When the absolute value of the difference of the measured value of the first and second temperature sensor is more than or equal to given threshold, and the
When one temperature sensor measurement value is less than the measured value of second temperature sensor, movable block is made to be in the third place.
3. according to claim 1 have the electric machine controller for following liquid cooling structure, which is characterized in that first drain
The quantity of pipe is less than or equal to the quantity of the second catheter, and the quantity of second catheter is less than or equal to the number of third catheter
Amount.
4. according to claim 1 have the electric machine controller for following liquid cooling structure, which is characterized in that the liquid storage container
It is mounted on the box portion outside, first and second heat-conducting block is mounted on tray interior.
5. according to claim 1 have the electric machine controller for following liquid cooling structure, which is characterized in that the liquid storage container
Outside have multiple radiating fins.
6. it is according to claim 1 have follow the electric machine controller of liquid cooling structure, which is characterized in that the straight channel and
The movable block is cuboid.
7. according to claim 2 have the electric machine controller for following liquid cooling structure, which is characterized in that further include alarm dress
It sets, control unit is controlled, and the difference of the first and second temperature sensor measurement value when each difference heat dissipation switching command issues is recorded
The absolute value of value；And after setting time, if the absolute value of the difference of the measured value of the first and second temperature sensor is opposite
Become larger when difference heat dissipation switching command issues, then so that warning device is alarmed；The difference heat dissipation switching command is to make activity
Block is switched to the instruction of the second position from first position, or the finger for making movable block be switched to the third place from first position
It enables.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811634898.2A CN109588019A (en) | 2018-12-29 | 2018-12-29 | It is a kind of with the electric machine controller for following liquid cooling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811634898.2A CN109588019A (en) | 2018-12-29 | 2018-12-29 | It is a kind of with the electric machine controller for following liquid cooling structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109588019A true CN109588019A (en) | 2019-04-05 |
Family
ID=65933544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811634898.2A Withdrawn CN109588019A (en) | 2018-12-29 | 2018-12-29 | It is a kind of with the electric machine controller for following liquid cooling structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109588019A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112998935A (en) * | 2021-02-23 | 2021-06-22 | 连云港天才照明电器有限公司 | Carbon fiber heating pipe for cervical vertebra therapeutic instrument |
| WO2021208537A1 (en) * | 2020-04-17 | 2021-10-21 | 华为技术有限公司 | Drivetrain and electric vehicle |
-
2018
- 2018-12-29 CN CN201811634898.2A patent/CN109588019A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021208537A1 (en) * | 2020-04-17 | 2021-10-21 | 华为技术有限公司 | Drivetrain and electric vehicle |
| CN112998935A (en) * | 2021-02-23 | 2021-06-22 | 连云港天才照明电器有限公司 | Carbon fiber heating pipe for cervical vertebra therapeutic instrument |
| CN112998935B (en) * | 2021-02-23 | 2022-03-18 | 连云港天才照明电器有限公司 | Carbon fiber heating pipe for cervical vertebra therapeutic instrument |
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Application publication date: 20190405 |
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