CN207875409U - A kind of cold-resistant charging pile - Google Patents
A kind of cold-resistant charging pile Download PDFInfo
- Publication number
- CN207875409U CN207875409U CN201721515493.8U CN201721515493U CN207875409U CN 207875409 U CN207875409 U CN 207875409U CN 201721515493 U CN201721515493 U CN 201721515493U CN 207875409 U CN207875409 U CN 207875409U
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- cold
- charging pile
- stake top
- temperature sensor
- controller
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of cold-resistant charging piles, including stake top and pile body, the stake top is arranged on pile body, and photovoltaic panel is arranged in the stake top, voltage changer is set in the stake top and energy-storage battery, the photovoltaic panel are connect by voltage changer with energy-storage battery；Internal box is set in the pile body, heat-conducting layer is covered in the inner surface of the internal box；Electric-controlled switch, the first temperature sensor, controller and heating device are provided in the internal cavities, the electric-controlled switch is connect with energy-storage battery, controller and heating device respectively；The controller is also connect with the first temperature sensor.The utility model has the beneficial effects that：(1) enable charging pile according to ambient temperature self-heating；(2) charging pile is enable to be heated to being electrically charged battery according to being electrically charged battery temperature.
Description
Technical field
The utility model is related to charging pile fields, are specifically related to a kind of cold-resistant charging pile.
Background technology
The development of electric vehicle be unable to do without charging station, charging pile, when New-energy electric vehicle is very good, electrically-charging equipment
It is not perfect, charging system is lack of standardization etc. remains entire electric vehicle there are the most important factors of obstacle in reality is promoted.Greatly
Partial charging pile is all to work outdoors, the heart of the circuit module of charging pile as direct current charge stake, it is necessary to strange wet, strange
It stands severe tests under height, extraordinary efficacy, very cold etc. various weathers and orographic condition.Charging pile drops to subzero ten several years or subzero in temperature
It under tens degree of low temperature conditions, shuts down or is again started up after standby for a long time, may all face the damage of charging pile module
Or this problem of capable of starting, but current heating device function is incomplete, complicated, versatility is not strong, heating speed
Degree is slower.
Utility model content
One of the utility model is designed to provide a kind of cold-resistant charging pile so that charging pile can be in cold conditions
Keep suitable temperature.
Specifically, the utility model is achieved by the following technical solution：
A kind of cold-resistant charging pile, including stake top and pile body, the stake top are arranged on pile body, and light is arranged in the stake top
Plate is lied prostrate, voltage changer is set in the stake top and energy-storage battery, the photovoltaic panel pass through voltage changer and energy-storage battery
Connection；Internal box is set in the pile body, heat-conducting layer is covered in the inner surface of the internal box；It is set in the internal cavities
Be equipped with electric-controlled switch, the first temperature sensor, controller and heating device, the electric-controlled switch respectively with energy-storage battery, control
Device processed is connected with heating device；The controller is also connect with the first temperature sensor.
Preferably, the stake top is to surround the structure with inner space, the voltage changer and energy storage electricity by inclined-plane
Pond is arranged in the inner space of stake top.
Preferably, being additionally provided with wind power generation plant in the outer of the stake top；Confluence module is also set up in the stake top,
The input terminal of the confluence module is connect with photovoltaic panel and wind power generation plant, the output end and voltage transformation of the confluence module
The input terminal of device connects.
Preferably, in heating device periphery, heating space shell is also set up, in the bottom of the heating space shell
Fan is set；With the ventilation hole of heating space shell corresponding position setting on pile body, wind channel is set on charging wire, it is described
The air inlet of wind channel is connect with the ventilation hole.
Preferably, be arranged the shell cover that can start upwards at the top of the heating space shell, one end of the shell cover with
Stepper motor connects；Baffle is set in the side of the stepper motor, the stepper motor can drive baffle to move, shelter from
The ventilation hole being arranged on pile body.
Preferably, charge cable setting of the wind channel in charging wire.
Preferably, the second temperature sensor setting is contacted in charging gun pipette tips connecting pin with battery surface is electrically charged
Place, the second temperature sensor are connect with controller.
Preferably, second temperature sensor is set on the picking up the ears of charging gun pipette tips connecting pin end face.
Preferably, an air outlet, which is also at least arranged, in charging gun pipette tips connecting pin surround charge cable interface, it is described
Air outlet is connect with wind channel, and guide groove is arranged in the end of the air outlet.
Preferably, the shell cover is arranged on stepper motor, sliding tooth is set on the stepper motor, in the baffle
Cooperating teeth is set with the one side of stepper motor joint, the sliding tooth is intermeshed with cooperating teeth.
The utility model has the beneficial effects that：(1) enable charging pile according to ambient temperature self-heating；(2) make charging pile
It can be heated according to battery temperature is electrically charged to being electrically charged battery.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is the cold-resistant charging pile structural schematic diagram that the utility model first embodiment provides；
Fig. 2 is the cold-resistant charging pile structural schematic diagram that the utility model second embodiment provides；
Fig. 3 is the cold-resistant charging pile first structure schematic diagram that the utility model 3rd embodiment provides；
Fig. 4 is cold-resistant charging pile the second structure first state schematic diagram that the utility model 3rd embodiment provides；
Fig. 5 is cold-resistant charging pile the second status diagram of the second structure that the utility model 3rd embodiment provides；
Fig. 6 is charging gun pipette tips connecting pin schematic diagram；
Fig. 7 is heating space shell structure schematic diagram；
Fig. 8 is the cold-resistant charging pile structural schematic diagram that the utility model fourth embodiment provides.
Reference sign
Further clearly to illustrate the connection relation between the structure of the utility model and each component, give following attached
Icon is remembered, and is illustrated.
Stake top 1；Photovoltaic panel 11；Voltage changer 12；Energy-storage battery 13；Wind power generation plant 14；Confluence module 15；Pile body
2；Internal box 21；Middle layer 22；Heat-conducting layer 23；Silica gel heating silk 231；Internal cavities 3；Electric-controlled switch 31；First temperature sensing
Device 32；Controller 33；Heating device 34；Heating space shell 35；Fan 351；Shell cover 352；Stepper motor 353；Sliding tooth
3531；Baffle 354；Cooperating teeth 3541；Ventilation hole 355；Charging gun 4；Charging wire 41；Wind channel 42；Second temperature sensor 43；
Pick up the ears 44；Air outlet 45；Charge cable interface 46.
Description of symbols through the above attached drawings can be more clearly understood and illustrate in conjunction with the embodiments of the present invention
The technical solution of the utility model.
Specific implementation mode
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the utility model.On the contrary, they be only with such as
The example of the consistent device and method of some aspects be described in detail in the appended claims, the utility model.
It is the purpose only merely for description specific embodiment in the term that the utility model uses, is not intended to be limiting this reality
With novel.In the "an" of the utility model and singulative used in the attached claims, " described " and "the"
It is intended to include most forms, unless context clearly shows that other meanings.It is also understood that term used herein " and/
Or " refer to and include one or more associated list items purposes any or all may combine.
It will be appreciated that though various information may be described using term first, second, third, etc. in the utility model,
But these information should not necessarily be limited by these terms.These terms are only used for same type of information being distinguished from each other out.For example, not
In the case of being detached from the scope of the utility model, the first information can also be referred to as the second information, and similarly, the second information can also
It is referred to as the first information.Depending on context, word as used in this " if " can be construed to " ... when " or
" when ... " or " in response to determination ".
The utility model will be described in detail by embodiment below.
A kind of cold-resistant charging pile, as shown in Figure 1, including stake top 1 and pile body 2, the stake top 1 is arranged on pile body 2, described
Stake top 1 is to surround the structure with inner space by inclined-plane.On the outer surface of the stake top 1, parallelly set with the inclined-plane
Photovoltaic panel 11 is set, in the inner space of the stake top 1, voltage changer 12 and energy-storage battery 13, the voltage transformation are set
The input terminal of device 12 is connect with the output end of the photovoltaic panel 11, the output end of the voltage changer 12 and the energy-storage battery
13 connections.The voltage changer 12 receives the photovoltaic electric current that photovoltaic panel 11 generates, and is to be suitable for by the photovoltaic current inversion
The charging current that energy-storage battery 13 charges charges for the energy-storage battery 13.The voltage changer 12 and energy-storage battery 13
It can be arranged in the outside of stake top 1.
The pile body 2 is a body structure, and internal box 21, the outer surface of the internal box 21 are arranged in the pile body 2
Middle layer 22 is set between the inner surface of pile body 2, and the middle layer 22 can be air layer, or there is thermal insulation effect
Other interlayers, the internal box inner surface cover heat-conducting layer 23.The internal box 21 has internal cavities 3, described
Electric-controlled switch 31, the first temperature sensor 32, controller 33 and heating device 34 are provided in internal cavities 3, it is described automatically controlled
Switch 31 is connect with energy-storage battery 13, controller 33 and heating device 34 respectively；The controller 33 also with the first temperature sensing
Device 32 connects, and the temperature value inside current pile body 2 is obtained from the first temperature sensor 32, when the temperature value that controller obtains is small
When preset first temperature threshold, the controller 33 controls electric-controlled switch 31 and is closed so that energy storage is connected in electric-controlled switch 31
Battery 13 and heating device 34 so that energy-storage battery 13 exports electric energy to heating device 34, and heating device 34 is made to generate heat；It is described to add
Thermal 34 is connect with 23 heat conduction of heat-conducting layer that the inner surface of internal box covers so that heat-conducting layer 23 sends out heating device 34
Heat is conducted to each position of internal box.Charging gun 4 and the connection drawn from pile body 2 charging are set outside the pile body 2
The charging wire 41 of rifle 4.
Further, as shown in Fig. 2, on the outer surface of the stake top 1, it is additionally provided with wind power generation plant 14, simultaneously
Confluence module 15, input terminal and photovoltaic panel 11 and the wind of the confluence module 15 are also set up in the inner space of the stake top 1
Power generation device 14 connects, and the output end of the confluence module 15 is connect with the input terminal of voltage changer 12；The photovoltaic panel
11 and wind power generation plant 14 generate electric current converged by confluence module 15, the electric current after confluence passes through voltage again
Converter 12 is transformed to the charging current for being suitable for charging to energy-storage battery.
Since charging pile provided by the utility model is mainly used in north of China and northwestward cold district, often these
The feature that area is short there is also the sunshine-duration in winter, day and night temperature is big, wind-force is strong uses wind power generation plant 14 for energy-storage battery
Charging, can make full use of the wind energy at night, and avoiding in the case of night no light can not be to feelings that energy-storage battery charges
Condition occurs.
Further, as shown in figure 3, in 34 periphery of the heating device, heating space shell 35 is also set up, is added described
Fan 351 is arranged in the bottom of heat space shell 35；The ventilation hole being arranged with 35 corresponding position of heating space shell on pile body 2
355, wind channel 42 is set on charging wire 41, and the air inlet of the wind channel 42 is connect with the ventilation hole 355.In this way can
The heat that heating device 34 generates is set to concentrate on after heating space shell 35, by heating space shell under the blowing of fan 351
Heat in body 35 is blown by ventilation hole 355 in wind channel 42 in the form of hot wind, so that wind channel 42 is guided hot wind into and is filled
Battery is heated for battery.
Further, as shown in figure 4, the shell cover 352 that can be started upwards is arranged at the top of the heating space shell 35,
One end of the shell cover 352 is connect with stepper motor 353, so that when the stepper motor 353 rotates, drives the shell cover
352 cover the top of heating space shell 35, or start shell cover 352 upwards when stepper motor 353 rotates；In the stepping
Baffle 354 is arranged in the side of motor 353, and the stepper motor 353 can drive baffle while starting shell cover 352 upwards
354 move downward, and shelter from the ventilation hole 355 being arranged on pile body 2；Hollow wind channel is set on the charging wire 41
42, the air inlet of the wind channel 42 is connect with the ventilation hole 355.Second temperature sensor is set on the charging gun 4
43, the second temperature sensor 43 is connect with the controller 33 being arranged in internal cavities 3, and the controller 33 receives second
The temperature value that temperature sensor 43 detects.
Charge cable setting of the wind channel 42 in charging wire 41, the wind channel 42 and the charge cable it
Between be provided with heat-barrier material.The air inlet of the wind channel 42 is connect with ventilation hole 355.The second temperature sensor 43 is arranged
In the pipette tips of charging gun 4, specifically, setting is in 4 pipette tips connecting pin of charging gun and is electrically charged battery surface contact position, in this hair
In bright embodiment, second temperature sensor 43 can be set on the picking up the ears of charging gun pipette tips connecting pin end face, it in this way can be with
The charging connector for being electrically charged battery is avoided, so that second temperature sensor 43 is attached on the outer wall for being electrically charged battery, in reality
In, the ear of connecting pin end face can also be according to the shape for being electrically charged battery and being shaped to bending, so that the second temperature
Degree sensor fits with the outer wall for being electrically charged battery, i.e., second temperature sensor 43 is set to connecting pin and is electrically charged battery
In the plane that outer wall is in contact.It is illustrated in figure 6 charging gun pipette tips connecting pin schematic diagram, the side of charging gun pipette tips connecting pin
Second temperature sensor 43 is set on ear 44, and an air outlet 45 is also at least arranged around charging in charging gun pipette tips connecting pin
Cable interface 46, the air outlet 45 are connect with wind channel 42, and guide groove is arranged in the end of the air outlet, and the guide groove is used
In the outer wall flowing for making the hot wind that air outlet is discharged be electrically charged battery described in.
In Fig. 4, heating device 34 is limited in the space surrounded by heating space shell 35 so that heating device 34 produces
Raw heat can not only be transferred to 2 various places inside of pile body by heat-conducting layer 23, additionally it is possible to the heat for making heating device 34 generate
It concentrates in heating space shell 35, controller 33 controls fan 351 and rotates, and will focus on the heat in heating space shell 35
It is blown on the battery being electrically charged by ventilation hole 355 and wind channel 42.
Specifically, as shown in figure 4, when controller 33 detects that the temperature of second temperature sensor 43 is less than preset second
Temperature threshold, and controller 33 detects that the temperature of the first temperature sensor 32 is less than the first predetermined threshold value, then controller 33 is controlled
Stepper motor 353 processed rotates, so that shell cover 352 covers the top of heating space shell 35, while the rotation of stepper motor 353 drives
Baffle 354 moves up, and ventilation hole 355 is exposed；Controller 33 controls electric-controlled switch 31 and is closed simultaneously so that electric-controlled switch 31 is connected
Energy-storage battery 13 and heating device 34 so that energy-storage battery 13 exports electric energy to heating device 34, and heating device 34 is made to generate heat；Together
When, controller 33 controls fan 351 and rotates, and the heat that will focus in heating space shell 35 passes through ventilation hole 355 and air inducing
Road 42 is blown on the battery being electrically charged.
Further, as shown in figure 5, when controller 33 detects the temperature of second temperature sensor 43 not less than preset
Second temperature threshold value, and controller 33 detects that the temperature of the first temperature sensor 32 is less than the first predetermined threshold value, then controller
33 control stepper motors 353 rotate, so that shell cover 352 starts so that the top of heating space shell 35 is opened wide, while stepping electricity
The rotation of machine 353 drives baffle 354 to move down, and ventilation hole 355 is covered；Controller 33 controls electric-controlled switch 31 and is closed simultaneously so that
Energy-storage battery 13 and heating device 34 is connected in electric-controlled switch 31 so that energy-storage battery 13 exports electric energy to heating device 34, makes to add
Thermal 34 is generated heat；Meanwhile controller 33 controls fan 351 and rotates, the heat that will focus in heating space shell 35 passes through
The open top of heating space shell 35 is diffused into internal cavities 3, and device for simultaneous heating 34 can still pass through heat-conducting layer
23 heat transfer conducts the heat that heating device 34 is sent out to each position of internal box.
Further, as shown in fig. 7, the shell cover 352 is arranged on stepper motor 353, on the stepper motor 353
Sliding tooth 3531 is set, and cooperating teeth 3541, the driving is arranged in the one side in the baffle 354 Yu 353 joint of stepper motor
Tooth 3531 is intermeshed with cooperating teeth 3541；As shown in Figure 6, when stepper motor 353 along rotate clockwise when, on the one hand drive
Shell cover 352 is raised upwards, and on the other hand, due to the gearing of sliding tooth 3531 and cooperating teeth 3541, baffle 354 is in sliding tooth
It can be moved down under the action of 3531；Conversely, when stepper motor 353 rotates counterclockwise, on the one hand drive shell cover 352 to
Lower closure, baffle 354 can move up under the action of sliding tooth 3531.
Further, as shown in figure 8, inner surface spiral surrounding that can be by silica gel heating silk 231 along internal box is distributed shape
At heat-conducting layer 23.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent substitution, improvement and etc. done should be included in the utility model
Within the scope of protection.
Claims (10)
1. a kind of cold-resistant charging pile, including stake top (1) and pile body (2), the stake top (1) is arranged on pile body (2), and feature exists
In voltage changer (12) and energy-storage battery is arranged in the setting photovoltaic panel (11) in the stake top (1) in the stake top (1)
(13), the photovoltaic panel (11) is connect by voltage changer (12) with energy-storage battery (13)；In the pile body (2) in setting
Babinet (21), in the inner surface covering heat-conducting layer (23) of the internal box；It is provided with electric-controlled switch in internal cavities (3)
(31), the first temperature sensor (32), controller (33) and heating device (34), the electric-controlled switch (31) respectively with energy storage
Battery (13), controller (33) and heating device (34) connection；The controller (33) also connects with the first temperature sensor (32)
It connects.
2. cold-resistant charging pile according to claim 1, which is characterized in that the stake top (1) is to be surrounded with interior by inclined-plane
The structure in portion space, the voltage changer (12) and energy-storage battery (13) are arranged in the inner space of stake top (1).
3. cold-resistant charging pile according to claim 2, which is characterized in that outer in the stake top (1) is additionally provided with wind-force
Power generator (14)；Confluence module (15), the input terminal and photovoltaic of the confluence module (15) are also set up in the stake top (1)
Plate (11) and wind power generation plant (14) connection, the input terminal of the output end and voltage changer (12) of the confluence module (15)
Connection.
4. cold-resistant charging pile according to claim 3, which is characterized in that in the heating device (34) periphery, also set up
Heating space shell (35), in the bottom of the heating space shell (35) setting fan (351)；On pile body (2) with heating
The ventilation hole (355) of space shell (35) corresponding position setting, is arranged wind channel (42), the wind channel on charging wire (41)
(42) air inlet is connect with the ventilation hole (355).
5. cold-resistant charging pile according to claim 4, which is characterized in that set at the top of the heating space shell (35)
The shell cover (352) that can be started upwards is set, one end of the shell cover (352) is connect with stepper motor (353)；In the stepper motor
(353) side setting baffle (354), the stepper motor (353) can drive baffle (354) to move, and shelter from setting and exist
Ventilation hole (355) on pile body (2).
6. cold-resistant charging pile according to claim 5, which is characterized in that the wind channel (42) is in charging wire (41)
Charge cable setting.
7. cold-resistant charging pile according to claim 6, which is characterized in that second temperature sensor (43) is arranged in charging gun
Pipette tips connecting pin and it is electrically charged battery surface contact position, the second temperature sensor (43) connect with controller (33).
8. cold-resistant charging pile according to claim 7, which is characterized in that second temperature sensor (43) is set to charging gun
On the picking up the ears of pipette tips connecting pin end face.
9. cold-resistant charging pile according to claim 7, which is characterized in that charging gun pipette tips connecting pin is also at least arranged
One air outlet (45) connect around charge cable interface (46), the air outlet (45) with wind channel (42), the air outlet
End be arranged guide groove.
10. cold-resistant charging pile according to claim 5, which is characterized in that the shell cover (352) is arranged in stepper motor
(353) on, sliding tooth (3531) is set on the stepper motor (353), in the baffle (354) and stepper motor (353)
The one side setting cooperating teeth (3541) of joint, the sliding tooth (3531) are intermeshed with cooperating teeth (3541).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721515493.8U CN207875409U (en) | 2017-11-14 | 2017-11-14 | A kind of cold-resistant charging pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721515493.8U CN207875409U (en) | 2017-11-14 | 2017-11-14 | A kind of cold-resistant charging pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207875409U true CN207875409U (en) | 2018-09-18 |
Family
ID=63500685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721515493.8U Active CN207875409U (en) | 2017-11-14 | 2017-11-14 | A kind of cold-resistant charging pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207875409U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116133349A (en) * | 2023-04-19 | 2023-05-16 | 恒开电气(湖南)股份有限公司 | BMS heat preservation device of photovoltaic energy storage battery |
-
2017
- 2017-11-14 CN CN201721515493.8U patent/CN207875409U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116133349A (en) * | 2023-04-19 | 2023-05-16 | 恒开电气(湖南)股份有限公司 | BMS heat preservation device of photovoltaic energy storage battery |
| CN116133349B (en) * | 2023-04-19 | 2023-07-07 | 恒开电气(湖南)股份有限公司 | BMS heat preservation device of photovoltaic energy storage battery |
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