CN117559043A - Temperature control assembly and photovoltaic energy storage battery pack with same - Google Patents
Temperature control assembly and photovoltaic energy storage battery pack with same Download PDFInfo
- Publication number
- CN117559043A CN117559043A CN202410043468.2A CN202410043468A CN117559043A CN 117559043 A CN117559043 A CN 117559043A CN 202410043468 A CN202410043468 A CN 202410043468A CN 117559043 A CN117559043 A CN 117559043A
- Authority
- CN
- China
- Prior art keywords
- shell
- heat exchange
- energy storage
- storage battery
- temperature control
- 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.)
- Granted
Links
- 238000004146 energy storage Methods 0.000 title claims abstract description 64
- 230000007246 mechanism Effects 0.000 claims abstract description 72
- 230000017525 heat dissipation Effects 0.000 claims abstract description 39
- 230000008859 change Effects 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 claims description 57
- 238000001816 cooling Methods 0.000 claims description 31
- 238000004140 cleaning Methods 0.000 claims description 21
- 238000009434 installation Methods 0.000 claims description 15
- 238000004891 communication Methods 0.000 claims description 14
- 238000012546 transfer Methods 0.000 claims description 14
- 230000008713 feedback mechanism Effects 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 4
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims description 4
- 239000010410 layer Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 239000012790 adhesive layer Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 239000000110 cooling liquid Substances 0.000 abstract description 17
- 239000000428 dust Substances 0.000 abstract description 8
- 239000012535 impurity Substances 0.000 abstract description 8
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 14
- 230000005855 radiation Effects 0.000 description 10
- 238000001704 evaporation Methods 0.000 description 8
- 230000003028 elevating effect Effects 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/637—Control systems characterised by the use of reversible temperature-sensitive devices, e.g. NTC, PTC or bimetal devices; characterised by control of the internal current flowing through the cells, e.g. by switching
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/40—Thermal components
- H02S40/42—Cooling means
- H02S40/425—Cooling means using a gaseous or a liquid coolant, e.g. air flow ventilation, water circulation
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Automation & Control Theory (AREA)
- Secondary Cells (AREA)
Abstract
The invention belongs to the technical field of photovoltaic cells, and particularly relates to a temperature control assembly and a photovoltaic energy storage battery pack with the same. According to the invention, the temperature rise change of the energy storage battery during operation can be automatically monitored, so that the heat exchange flow channel at the contact position with the energy storage battery is changed, the heat exchange flow channel is prolonged when the energy storage battery is at a high temperature, the heat exchange quality and efficiency are ensured, the heat exchange flow channel is shortened when the temperature of the energy storage battery is low, the overlong heat exchange flow channel is prevented from increasing the circulation resistance of cooling liquid, the circulating heat dissipation mechanism can be further cleaned in a timing manner, dust impurities adhered to the surface of the heat dissipation fin are removed in a timing manner, the influence of the dust impurities on the heat dissipation area by the heat dissipation fin is prevented, and the heat dissipation performance is ensured.
Description
Technical Field
The invention belongs to the technical field of photovoltaic cells, and particularly relates to a temperature control assembly and a photovoltaic energy storage battery pack with the temperature control assembly.
Background
The photovoltaic energy storage battery mainly refers to a storage battery used for solar power generation equipment, in the use of the photovoltaic energy storage battery, the temperature of the energy storage battery can be raised due to the fact that the charging and discharging speed of the energy storage battery is too high, the environment temperature is too high and the excessive charging and discharging operation is carried out, the chemical reaction of the energy storage battery can be accelerated due to the fact that the temperature is too high, the battery loss is increased, the capacity is reduced, the service life is shortened, serious problems such as short circuit and liquid leakage can be possibly caused even, and therefore the temperature control assembly is needed to be used in the use of the photovoltaic energy storage battery to guarantee the stable use temperature of the energy storage battery.
The liquid cooling temperature control has the advantages of stable use and good temperature control performance, is widely applied to the temperature control adjustment of the photovoltaic energy storage battery, but in order to meet the highest heat dissipation performance of the photovoltaic battery, a longer cooling liquid circulation channel is arranged in a heat exchange component contacted with the photovoltaic battery, so that the heat exchange time and the contact area between the cooling liquid and the photovoltaic battery are increased, the overlong circulation channel can increase the circulation resistance of the cooling liquid, the use power consumption of the whole temperature control component is greatly improved, the photovoltaic energy storage battery is not always kept in a high-temperature state requiring efficient heat dissipation treatment, and when the photovoltaic energy storage battery is at a lower temperature and needs to be subjected to temperature control, the photovoltaic energy storage battery is subjected to temperature control adjustment by using larger power consumption, so that larger energy waste is obviously caused, the abrasion to the cooling channel is large, and the service life of the whole temperature control component is influenced.
Disclosure of Invention
The invention aims to solve the problems and provide a temperature control assembly and a photovoltaic energy storage battery pack provided with the temperature control assembly.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the utility model provides a control by temperature change subassembly, includes the base, the upper end fixed mounting of base has the installation shell, the heat transfer temperature regulating mechanism has been installed to the installation shell internal fixation, the outer wall fixed mounting of installation shell has circulation cooling mechanism, circulation cooling mechanism and heat transfer temperature regulating mechanism intercommunication set up, the upper end one side of base still fixed mounting has the supplementary clean mechanism that cools down that corresponds the setting with circulation cooling mechanism position, the upper end of base still is fixed to be installed and is used for driving the clean mechanism timing action's of supplementary cooling timing trigger actuating mechanism, the upper end of installation shell still is fixed to be installed paster formula temperature sensor and PLC controller, the PLC controller is connected with heat transfer temperature regulating mechanism, circulation cooling mechanism, supplementary clean mechanism of cooling and timing trigger actuating mechanism electricity respectively.
In the above-mentioned control by temperature change subassembly, heat transfer temperature regulating mechanism includes the heat exchange shell, the upper end bonding of heat exchange shell has the one deck heat conduction glue film, the lower extreme of heat exchange shell is integrative to be extended and is taken in the shell, sealed activity is provided with snakelike drain bar in the shell, the cross section of snakelike drain bar is U-shaped structure, the even fixedly connected with of lower extreme of snakelike drain bar many push rods, many the lower extreme of push rod runs through the lower extreme of taking in the shell, and fixedly connected with same push plate, fixedly connected with a plurality of cover is established the pulldown spring outside the push rod between the lower extreme of snakelike drain bar and the inner wall bottom of taking in the shell, the lower extreme fixedly connected with suction electromagnetic plate of taking in the shell, the upper end fixedly connected with suction permanent magnet plate of push plate, the lateral wall symmetry fixed plug of heat exchange shell has two logical liquid mouths, the liquid hole that corresponds the intercommunication with logical liquid mouth all has been seted up at the both ends of snakelike drain bar, one side of push plate and the lower extreme one side of the heat exchange shell fixedly installs the same power supply and feeds back the switching mechanism.
In the above-mentioned control by temperature change subassembly, circulation cooling mechanism includes two upper and lower symmetry fixed hollow heating panel of installing the shell lateral wall of installing, the fixed grafting of lateral wall equidistance of hollow heating panel has a plurality of radiating fins, two the outer fixed intercommunication of access to liquid mouth has feed liquor pipe and drain pipe respectively, the one end of drain pipe with be located the downside the fixed intercommunication of lower extreme lateral wall of hollow heating panel, still install the circulating pump on the drain pipe, the circulating pump is fixed outside the installing shell, is located the downside the upper end lateral wall of hollow heating panel is through the fixed intercommunication of first communicating pipe with the one end pipe wall of feed liquor pipe, is located the downside the upper end of hollow heating panel and be located the upside the lower extreme of hollow heating panel is through the fixed intercommunication of second communicating pipe, is located the upside upper end one side of hollow heating panel is through the third communicating pipe and the pipe wall intercommunication setting of feed liquor pipe, all be equipped with the solenoid valve on first communicating pipe, second communicating pipe and the third communicating pipe.
In the above-mentioned control by temperature change subassembly, supplementary cooling clean mechanism includes electric slide rail, the upper end fixed mounting of sliding block in the electric slide rail has the backing plate, upper end one side fixed mounting of backing plate has the braced frame, the rotation screw rod of vertical setting has been connected to the braced frame internal rotation, the upper end fixed mounting of braced frame has positive and negative motor, the lower extreme output of positive and negative motor and the upper end fixed connection of rotation screw rod, the pole wall screw thread of rotation screw rod has cup jointed the elevating socket, the fixed plug bush of lateral wall of elevating socket has a plurality of and adjacent two the fixed pipe that the clearance corresponds between the fin sets up, the one end fixed intercommunication of fixed pipe has clean shell, the sponge is wiped the pad all fixed mounting in the opposite sides of clean shell, a plurality of oozes the liquid hole towards one side of sponge is evenly seted up to the fixed pipe wall fixed mounting of fixed pipe has the locating plate, the lateral wall of locating plate is upper and lower symmetry and is inlayed two evaporation fans, a plurality of the rear end fixed intercommunication of fixed pipe has same multiple-way pipe, the upper end fixed side pressure pump and the upper end of base has the fixed connection of pressure applying pressure pump and the fixed box and the upper end fixed connection of fixed side of fixed connection of the push rod and the side of the elevating push rod through the upper end fixed connection of the elevating pump.
In the above-mentioned control by temperature change subassembly, regularly trigger actuating mechanism is including starting the circle shell, the inner wall center department of starting the circle shell is connected with the jackshaft through the bearing rotation, the upper end fixed mounting of starting the circle shell has gear motor, gear motor's lower extreme output and jackshaft's upper end fixed connection, the fixed extension rod that has cup jointed of axle wall of jackshaft, the one end fixedly connected with arc trigger piece of extension rod, the inner wall fixed mounting of starting the circle shell has trigger switch.
In the above-mentioned control by temperature change subassembly, power supply switching feedback mechanism is including the fixed switch shell of installing in heat exchange shell lower extreme, symmetrical fixed mounting has high-voltage power supply change over switch and low-voltage power supply change over switch about the inner wall of switch shell, one side fixedly connected with L shape synchronizing lever of push pedal, the upper end of L shape synchronizing lever runs through and stretches into in the switch shell, and lateral wall fixedly connected with presses the protruding head.
In the above-mentioned control by temperature change subassembly, the equal fixedly connected with one deck is sealed to contradict the cushion of upper end and the logical liquid mouth that leads to of snakelike drain bar are located the one end of heat exchange shell.
The utility model provides a photovoltaic energy storage battery pack, still includes energy storage battery body, one side and the laminating of heat transfer temperature control mechanism of energy storage battery body are connected, energy storage battery body is connected with the input subsides of SMD temperature sensor.
Compared with the prior art, the invention has the beneficial effects that:
1. through the base that is equipped with, heat transfer temperature control mechanism, the installation shell, paster formula temperature sensor, the PLC controller, the temperature rise that can the automatic monitoring energy storage battery during operation changes, and then change the heat transfer runner with energy storage battery contact position, realize prolonging heat transfer runner when energy storage battery high temperature, guarantee heat transfer quality and efficiency, and shorten heat transfer runner when energy storage battery temperature is lower, avoid the heat transfer runner of overlength to increase the circulation resistance of coolant liquid, and then make the problem that the use power consumption of whole temperature control subassembly improves greatly, energy saving and environmental protection, and realized automatic control, the adjustment accuracy nature is better.
2. Through circulation cooling mechanism, the power supply switching feedback mechanism that sets up, can carry out the quick heat exchange with external environment to heat exchange coolant liquid, and automatic heat abstractor that increases when energy storage battery high temperature, supplementary more efficient heat dissipation operation guarantees the control by temperature change quality to energy storage battery.
3. Through the supplementary clean mechanism of cooling that sets up, regularly trigger actuating mechanism, power supply switching feedback mechanism, can regularly carry out further supplementary cleanness to circulation radiating mechanism, get rid of the dust impurity of radiating fin surface adhesion regularly, and then avoid dust impurity to cover radiating fin to radiating area's influence, guarantee heat dispersion, and can carry out automatic regulation and control to clean distance position based on the quantity that circulation radiating mechanism inserted firing equipment, more convenient operation uses.
To sum up: the invention can automatically monitor the temperature rise change of the energy storage battery during operation, further change the heat exchange flow passage at the contact position with the energy storage battery, realize the prolongation of the heat exchange flow passage when the energy storage battery is at high temperature, ensure the heat exchange quality and efficiency, shorten the heat exchange flow passage when the temperature of the energy storage battery is lower, avoid the problem that the overlong heat exchange flow passage can increase the circulation resistance of cooling liquid, further greatly improve the using power consumption of the whole temperature control assembly, save energy and protect environment, realize automatic control, have better adjustment accuracy, can quickly exchange heat with the external environment for the heat exchange cooling liquid, automatically increase the heat radiation equipment when the energy storage battery is at high temperature, assist more efficient heat radiation operation, ensure the temperature control quality of the energy storage battery, regularly and assisted clean the circulating heat radiation mechanism, remove dust impurities adhered on the surface of the heat radiation fins, further avoid the influence of the dust impurities on the heat radiation area by covering the heat radiation fins, and ensure the heat radiation performance.
Drawings
Fig. 1 is a schematic structural diagram of a temperature control assembly and a photovoltaic energy storage battery pack provided with the temperature control assembly according to the present invention;
fig. 2 is a schematic cross-sectional structural diagram of a temperature control assembly and a heat exchange and temperature control mechanism of a photovoltaic energy storage battery pack provided with the temperature control assembly according to the present invention;
FIG. 3 is a schematic top view of the serpentine liquid guide plate of FIG. 2;
fig. 4 is a schematic side view of a temperature control assembly and a circulating heat dissipation mechanism of a photovoltaic energy storage battery pack provided with the temperature control assembly according to the present invention;
FIG. 5 is a schematic cross-sectional view of a temperature control assembly and an auxiliary cooling and cleaning mechanism for a photovoltaic energy storage battery provided with the temperature control assembly according to the present invention;
FIG. 6 is an enlarged schematic view of the cleaning housing of FIG. 5 in a mounted position;
FIG. 7 is a schematic cross-sectional view of a temperature control assembly and a timing trigger starting mechanism of a photovoltaic energy storage battery provided with the temperature control assembly according to the present invention;
fig. 8 is a schematic diagram of a cross-sectional structure of a temperature control assembly and a power supply switching feedback mechanism of a photovoltaic energy storage battery pack provided with the temperature control assembly.
In the figure: 1 a base, 2 a heat exchange temperature control mechanism, 21 a heat exchange shell, 22 a heat conducting adhesive layer, 23 a storage shell, 24 a snake-shaped liquid guide plate, 25 a push rod, 26 a push plate, 27 a pull-down spring, 28 a suction electromagnetic plate, 29 a suction permanent magnet plate, 210 a liquid through nozzle, 3 a circulation heat dissipation mechanism, 31 a hollow heat dissipation plate, 32 a heat dissipation fin, a liquid inlet pipe, 34 a liquid outlet pipe, 35 a circulation pump, 36 a first communication pipe, 37 a second communication pipe, 38 a third communication pipe, 4 an auxiliary cooling cleaning mechanism, 41 an electric sliding rail, 42 a supporting plate, 43 a supporting frame, 44 a rotating screw, 45 a positive and negative motor, 46 a lifting seat, 47 a fixed pipe, 48 a cleaning shell, a third communication pipe, 4 a cleaning mechanism and a cleaning shell 49 sponge rubbing pads, 410 locating plates, 411 evaporation fans, 412 multi-way pipes, 413 pressurizing pumps, 414 liquid storage boxes, 415 elastic telescopic pipes, 416 electric push rods, 417 reverse drive switches, 5 timing trigger starting mechanisms, 51 starting round shells, 52 intermediate shafts, 53 speed reducing motors, 54 extension rods, 55 arc-shaped trigger blocks, 56 trigger switches, 6 power supply switching feedback mechanisms, 61 switching shells, 62 high-voltage power supply switching switches, 63 low-voltage power supply switching switches, 64L-shaped synchronous rods, 65 pressing convex heads, 7 mounting shells, 8 patch type temperature sensors, 9PLC controllers and 10 energy storage battery bodies.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
As shown in fig. 1-8, a temperature control assembly comprises a base 1, an installation shell 7 is fixedly arranged at the upper end of the base 1, a heat exchange temperature control mechanism 2 is fixedly arranged in the installation shell 7, the heat exchange temperature control mechanism 2 comprises a heat exchange shell 21, a layer of heat conducting adhesive layer 22 is adhered to the upper end of the heat exchange shell 21, a storage shell 23 integrally extends at the lower end of the heat exchange shell 21, a snake-shaped liquid guide plate 24 is movably arranged in the storage shell 23 in a sealing manner, the cross section of the snake-shaped liquid guide plate 24 is of a U-shaped structure, a plurality of push rods 25 are uniformly and fixedly connected at the lower end of the snake-shaped liquid guide plate 24, the lower ends of the plurality of push rods 25 penetrate through the lower end of the storage shell 23, and are fixedly connected with the same push plate 26, a plurality of pull springs 27 sleeved outside the push rods 25 are fixedly connected between the lower end of the snake-shaped liquid guide plate 24 and the bottom of the inner wall of the storage shell 23, an electromagnetic plate 28 is fixedly connected with an upper end of the push plate 26, two liquid guide plates 210 are symmetrically and fixedly sleeved on the side walls of the heat exchange shell 21, and two liquid guide plates 24 are correspondingly communicated with liquid through holes 210.
One side of the pushing plate 26 and one side of the lower end of the heat exchange shell 21 are fixedly provided with the same power supply switching feedback mechanism 6, the power supply switching feedback mechanism 6 comprises a switching shell 61 fixedly arranged at the lower end of the heat exchange shell 21, the inner wall of the switching shell 61 is fixedly provided with a high-voltage power supply switching switch 62 and a low-voltage power supply switching switch 63 in an up-down symmetrical mode, one side of the pushing plate 26 is fixedly connected with an L-shaped synchronizing rod 64, the upper end of the L-shaped synchronizing rod 64 penetrates into the switching shell 61, and the side wall is fixedly connected with a pressing protruding head 65.
The outer wall fixed mounting of installation shell 7 has circulation cooling mechanism 3, circulation cooling mechanism 3 includes two upper and lower symmetry fixed hollow heating panel 31 of installing shell 7 lateral wall, the fixed grafting of lateral wall of hollow heating panel 31 has a plurality of fin 32, two logical liquid mouth 210 outer fixed intercommunication respectively have feed liquor pipe 33 and drain pipe 34, the one end of drain pipe 34 is fixed intercommunication with the lower extreme lateral wall that is located downside hollow heating panel 31, still install circulating pump 35 on the drain pipe 34, circulating pump 35 fixes outside the installation shell 7, the upper end lateral wall that is located downside hollow heating panel 31 passes through first communicating pipe 36 and the one end pipe wall fixed intercommunication of feed liquor pipe 33, the upper end that is located downside hollow heating panel 31 and the lower extreme that is located upside hollow heating panel 31 pass through second communicating pipe 37 fixed intercommunication, the upper end one side that is located upside hollow heating panel 31 is equipped with the solenoid valve through third communicating pipe 38 and feed liquor pipe 33's pipe wall intercommunication setting on first communicating pipe 36, second communicating pipe 37 and the third communicating pipe 38.
The circulating heat radiation mechanism 3 is communicated with the heat exchange temperature control mechanism 2, an auxiliary cooling cleaning mechanism 4 which is correspondingly arranged with the position of the circulating heat radiation mechanism 3 is fixedly arranged on one side of the upper end of the base 1, the auxiliary cooling cleaning mechanism 4 comprises an electric slide rail 41, a support plate 42 is fixedly arranged at the upper end of a sliding block in the electric slide rail 41, a support frame 43 is fixedly arranged on one side of the upper end of the support plate 42, a rotating screw 44 which is vertically arranged is rotationally connected with the support frame 43, a positive and negative motor 45 is fixedly arranged at the upper end of the support frame 43, the lower end output end of the positive and negative motor 45 is fixedly connected with the upper end of the rotating screw 44, a lifting seat 46 is sleeved on the rod wall screw thread of the rotating screw 44, a plurality of fixing pipes 47 which are correspondingly arranged with gaps between two adjacent heat radiation fins 32 are fixedly sleeved on the side wall of the lifting seat 46, one end of each fixing pipe 47 is fixedly communicated with a cleaning shell 48, the sponge wiping pad 49 is fixedly arranged on the opposite sides of the cleaning shell 48, a plurality of seepage holes are uniformly formed in one side, facing the sponge wiping pad 49, of the fixing tube 47, a positioning plate 410 is fixedly arranged on the tube wall of the fixing tube 47, two evaporating fans 411 are symmetrically embedded in the upper and lower side walls of the positioning plate 410, the rear ends of the fixing tubes 47 are fixedly communicated with the same multi-way tube 412, a pressurizing pump 413 and a liquid storage box 414 are fixedly arranged at the upper end of the base 1, a liquid inlet of the pressurizing pump 413 is fixedly communicated with the lower end side wall of the liquid storage box 414, a liquid outlet of the pressurizing pump 413 is fixedly communicated with the rear end of the multi-way tube 412 through an elastic telescopic tube 415, an electric push rod 416 is fixedly arranged on the rear side of the upper end of the supporting plate 42, and a reverse driving switch 417 located on the upper side and the lower side of the lifting seat 46 is fixedly connected with the lower end output end of the electric push rod 416.
The upper end of the base 1 is fixedly provided with a timing trigger starting mechanism 5 for driving the auxiliary cooling cleaning mechanism 4 to perform timing action, the timing trigger starting mechanism 5 comprises a starting round shell 51, the center of the inner wall of the starting round shell 51 is rotatably connected with a middle shaft 52 through a bearing, the upper end of the starting round shell 51 is fixedly provided with a gear motor 53, the lower end output end of the gear motor 53 is fixedly connected with the upper end of the middle shaft 52, the shaft wall of the middle shaft 52 is fixedly sleeved with an extension rod 54, one end of the extension rod 54 is fixedly connected with an arc-shaped trigger block 55, and the inner wall of the starting round shell 51 is fixedly provided with a trigger switch 56.
The upper end of the installation shell 7 is also fixedly provided with a patch type temperature sensor 8 and a PLC controller 9, and the PLC controller 9 is respectively electrically connected with the heat exchange temperature control mechanism 2, the circulating heat dissipation mechanism 3, the auxiliary cooling cleaning mechanism 4 and the timing trigger starting mechanism 5.
The upper end of the serpentine liquid guide plate 24 and one end of the liquid through nozzle 210 in the heat exchange shell 21 are fixedly connected with a layer of sealing and abutting rubber cushion.
The photovoltaic energy storage battery pack further comprises an energy storage battery body 10, one side of the energy storage battery body 10 is connected with the heat exchange temperature control mechanism 2 in a bonding mode, and the energy storage battery body 10 is connected with the input end of the patch type temperature sensor 8 in a bonding mode.
The principle of operation of the present invention will now be described as follows: the patch type temperature sensor 8 monitors the working temperature of the energy storage battery body 10 in real time, when the temperature of the energy storage battery body 10 exceeds the optimal working temperature by 20 ℃ and reaches 25 ℃, a feedback signal is sent to the PLC 9, the PLC 9 firstly opens the electromagnetic valve on the first communicating pipe 36 and closes the electromagnetic valve on the second communicating pipe 37 and the third communicating pipe 38, so that the hollow heat dissipation plate 31 at the lower side is put into circulation heat dissipation work, the PLC 9 drives the circulating pump 35 to work, the circulating pump 35 pumps and conveys the cooling liquid in the heat exchange shell 21 to the hollow heat dissipation plate 31 at the lower side through the liquid outlet pipe 34, the heat in the cooling liquid is removed by heat exchange again by matching with the heat dissipation fins 32 for heat exchange between the cooling liquid and the energy storage battery body 10, the heat dissipation performance of the cooling liquid is guaranteed, the cooling liquid is returned into the heat exchange shell 21 through the liquid inlet pipe 33, the stable temperature control adjustment of the energy storage battery body 10 is realized, when the patch type temperature sensor 8 monitors that the temperature of the energy storage battery body 10 reaches 30 ℃, the PLC 9 controls the power supply equipment to supply power to the attraction electromagnetic plate 28, the attraction electromagnetic plate 28 is electrified to generate magnetism to be matched with the attraction permanent magnet plate 29 to drive the pushing plate 26 to move upwards, then the plurality of pushing rods 25 are matched to overcome the elasticity of the pull-down springs 27, so that the snake-shaped liquid guide plate 24 moves upwards to extend out of the upper end of the storage shell 23 and props against the top of the inner wall of the heat exchange shell 21, at the moment, through holes on two ends of the snake-shaped liquid guide plate 24 are correspondingly communicated with the liquid through holes 210, so that a circulation channel of cooling liquid in the heat exchange shell 21 is lengthened, the heat exchange time and the heat exchange contact area are improved, the heat exchange quality and efficiency are guaranteed, the PLC 9 synchronously closes the electromagnetic valves on the first communication pipe 36, and opens the electromagnetic valves on the second communication pipe 37 and the third communication pipe 38, the hollow heat dissipation plate 31 and the heat dissipation fins 32 on the upper side are also put into circulation heat dissipation, a heat dissipation channel for cooling liquid is increased, heat dissipation quality for the cooling liquid is guaranteed, temperature rise change of the energy storage battery during operation can be automatically monitored, and then a heat exchange flow channel at a contact position with the energy storage battery is changed, so that the heat exchange flow channel is prolonged when the energy storage battery is at a high temperature, and is shortened when the temperature of the energy storage battery is low, the problem that the overlong heat exchange flow channel can increase the circulation resistance of the cooling liquid is avoided, the problem that the using power consumption of the whole temperature control assembly is greatly improved is solved, energy is saved, environment is protected, automatic control is realized, and the adjustment accuracy is better;
in the process of moving up the serpentine liquid guide plate 24, the push plate 26 moves up synchronously, the L-shaped synchronous rod 64 is driven to drive the pressing raised head 65 to move up in the switching shell 61, so that the pressing raised head 65 acts on the high-voltage power supply change-over switch 62, the circulating pump 35 is enabled to be quasi-converted into high power supply voltage, the circulating pump 35 can work at higher power because the circulating pump 35 is a direct-current pump, the cooling liquid flowing speed is enabled to be faster, the use of a longer heat exchange flow channel is met, quick heat exchange between heat exchange cooling liquid and the external environment can be carried out, and heat dissipation equipment is automatically added when the energy storage battery is at a high temperature, so that the temperature control quality of the energy storage battery is ensured;
when the temperature control adjustment is carried out on the energy storage battery body 10, the PLC 9 synchronously starts the speed reducing motor 53, the speed reducing motor 53 drives the arc-shaped trigger block 55 to move in the starting round shell 51 through the intermediate shaft 52 and the extension rod 54, when the arc-shaped trigger block 55 acts on the trigger switch 56, the trigger switch 56 feeds back signals to the PLC 9, the PLC 9 starts the electric slide rail 41, the positive and negative motor 45, the pressurizing pump 413 and the evaporating fan 411, the electric slide rail 41 pushes the plurality of cleaning shells 48 between the two adjacent radiating fins 32, the pressurizing pump 413 conveys alcohol evaporating liquid in the liquid storage box 414 into the cleaning shells 48 and permeates onto the sponge wiping pad 49, the surfaces of the radiating fins 32 are cleaned and coated with alcohol liquid, the evaporating fan 411 assists the alcohol liquid to evaporate rapidly, the evaporating fan absorbs heat to further assist in radiating the radiating fins 32, the positive and negative motor 45 drives the rotating screw 44 to rotate, the lifting seat 46 drives the cleaning shell 48 to synchronously move with the evaporating fan 411 through the threaded sleeving action of the rotating screw 44 and the lifting seat 46, when the lifting seat 46 moves to the upper side, the positive and negative motor 45 reverses to further enable the cleaning shell 48 to move up and down, further auxiliary cleaning can be carried out on the circulating heat dissipation mechanism 3 at regular time, dust impurities adhered to the surface of the heat dissipation fins 32 are removed at regular time, further the influence of the dust impurities on the heat dissipation area by the heat dissipation fins 32 is avoided, the heat dissipation performance is ensured, and when the energy storage battery body 10 carries out high-performance temperature control, the pressing raised head 65 acts on the high-voltage power supply switch, at the moment, the PLC controller 9 synchronously starts the electric push rod 416 to drive the upper side reverse drive switch 417 to move up, and then make clean shell 48 can also clean supplementary heat dissipation operation to the radiating fin 32 of upside, can carry out automatic regulation and control to clean distance position based on the quantity that circulation cooling mechanism 3 inserts the firing equipment, more convenient operation is used, high-voltage power supply change over switch 62 also makes gear motor 53 switch in high voltage power supply simultaneously, because gear motor 53 is direct current motor, gear motor 53 rotational speed is faster, arc trigger piece 55 can be faster the effect on trigger switch 56, and then shorten the working interval of supplementary cooling cleaning mechanism 4, satisfy the adjustment operation of high performance cooling control by temperature change.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (8)
1. The utility model provides a control by temperature change subassembly, includes base (1), its characterized in that, the upper end fixed mounting of base (1) has installation shell (7), installation shell (7) internal fixation has installed heat transfer accuse temperature mechanism (2), circulation cooling mechanism (3) have been installed to the outer wall fixed of installation shell (7), circulation cooling mechanism (3) and heat transfer accuse temperature mechanism (2) intercommunication setting, the upper end one side of base (1) still fixed mounting has auxiliary cooling clean mechanism (4) that correspond the setting with circulation cooling mechanism (3) position, the upper end of base (1) still is fixed and is installed and be used for driving auxiliary cooling clean mechanism (4) timing action's timing trigger actuating mechanism (5), the upper end of installation shell (7) still is fixed and is installed patch formula temperature sensor (8) and PLC controller (9), PLC controller (9) are connected with heat transfer accuse temperature mechanism (2), circulation cooling mechanism (3), auxiliary cooling clean mechanism (4) and timing trigger actuating mechanism (5) electricity respectively.
2. The temperature control assembly according to claim 1, wherein the heat exchange temperature control mechanism (2) comprises a heat exchange shell (21), a layer of heat conducting adhesive layer (22) is adhered to the upper end of the heat exchange shell (21), a storage shell (23) is integrally extended at the lower end of the heat exchange shell (21), a snake-shaped liquid guide plate (24) is movably arranged in the storage shell (23) in a sealing manner, the cross section of the snake-shaped liquid guide plate (24) is of a U-shaped structure, the lower ends of the snake-shaped liquid guide plate (24) are uniformly and fixedly connected with a plurality of push rods (25), the lower ends of the push rods (25) penetrate through the lower end of the storage shell (23) and are fixedly connected with the same push rods (26), a plurality of pull-down springs (27) sleeved outside the push rods (25) are fixedly connected between the lower ends of the snake-shaped liquid guide plate (24) and the inner wall bottoms of the storage shell (23), the lower ends of the storage shell (23) are fixedly connected with suction magnetic plates (28), the upper ends of the push rods (26) are fixedly connected with the pull-down springs (27), the two side walls of the snake-shaped liquid guide plates (21) are correspondingly connected with two side walls of the heat exchange nozzles (210), one side of the pushing plate (26) and one side of the lower end of the heat exchange shell (21) are fixedly provided with the same power supply switching feedback mechanism (6).
3. A temperature control assembly according to claim 2, characterized in that the circulating heat dissipation mechanism (3) comprises two hollow heat dissipation plates (31) which are vertically symmetrically and fixedly arranged on the side wall of the installation shell (7), a plurality of heat dissipation fins (32) are fixedly inserted into the side wall of the hollow heat dissipation plates (31) at equal intervals, a liquid inlet pipe (33) and a liquid outlet pipe (34) are respectively fixedly communicated with the outside of the liquid through nozzles (210), one end of the liquid outlet pipe (34) is fixedly communicated with the side wall of the lower end of the hollow heat dissipation plates (31) at the lower side, a circulating pump (35) is further arranged on the liquid outlet pipe (34), the circulating pump (35) is fixedly communicated with one end pipe wall of the liquid inlet pipe (33) at the lower side through a first communication pipe (36), the upper end of the hollow heat dissipation plates (31) at the lower side and the lower end of the hollow heat dissipation plates (31) at the upper side are fixedly communicated with each other through a second communication pipe (37), and the upper end of the hollow heat dissipation plates (31) at the upper side are respectively communicated with a first communication pipe (38) and a second communication pipe (38) is arranged at the upper side of the hollow heat dissipation plates (31) through the first communication pipe (36) and the first communication pipe (38) and the third communication pipe (38) are respectively arranged.
4. The temperature control assembly according to claim 3, wherein the auxiliary cooling cleaning mechanism (4) comprises an electric sliding rail (41), a supporting plate (42) is fixedly arranged at the upper end of the sliding rail (41), a supporting frame (43) is fixedly arranged at one side of the upper end of the supporting plate (42), a rotating screw (44) which is vertically arranged is rotationally connected with the supporting frame (43), a positive and negative motor (45) is fixedly arranged at the upper end of the supporting frame (43), the lower end output end of the positive and negative motor (45) is fixedly connected with the upper end of the rotating screw (44), a lifting seat (46) is sleeved on a rod wall screw thread of the rotating screw (44), a plurality of fixing pipes (47) which are correspondingly arranged in gaps between two adjacent radiating fins (32) are fixedly sleeved on the side wall of the lifting seat (46), one end of each fixing pipe (47) is fixedly communicated with a cleaning shell (48), sponge wiping pads (49) are fixedly arranged at two opposite sides of each cleaning shell (48), the fixing pipes (47) are fixedly connected with the upper ends of the fixing pipes (47) towards the upper side wall of each fixing pipe (410) which is provided with a plurality of symmetrical positioning plates (410), the rear ends of a plurality of fixed pipes (47) are fixedly communicated with the same multi-way pipe (412), a pressurizing pump (413) and a liquid storage box (414) are fixedly arranged at the upper end of the base (1), a liquid inlet of the pressurizing pump (413) is fixedly communicated with the side wall of the lower end of the liquid storage box (414), a liquid outlet of the pressurizing pump (413) is fixedly communicated with the rear end of the multi-way pipe (412) through an elastic telescopic pipe (415), an electric push rod (416) is fixedly arranged at the rear side of the upper end of the supporting connection plate (42), and a reverse driving switch (417) arranged on the upper side and the lower side of the lifting seat (46) is fixedly connected with the upper end output end of the electric push rod (416) and the lower end rod wall of the electric push rod (416).
5. The temperature control assembly according to claim 1, wherein the timing trigger starting mechanism (5) comprises a starting round shell (51), an intermediate shaft (52) is rotatably connected to the center of the inner wall of the starting round shell (51) through a bearing, a gear motor (53) is fixedly arranged at the upper end of the starting round shell (51), the lower end output end of the gear motor (53) is fixedly connected with the upper end of the intermediate shaft (52), an extension rod (54) is fixedly sleeved on the shaft wall of the intermediate shaft (52), an arc-shaped trigger block (55) is fixedly connected to one end of the extension rod (54), and a trigger switch (56) is fixedly arranged on the inner wall of the starting round shell (51).
6. A temperature control assembly according to claim 2, wherein the power supply switching feedback mechanism (6) comprises a switching shell (61) fixedly arranged at the lower end of the heat exchange shell (21), a high-voltage power supply switching switch (62) and a low-voltage power supply switching switch (63) are symmetrically and fixedly arranged on the upper and lower sides of the inner wall of the switching shell (61), one side of the pushing plate (26) is fixedly connected with an L-shaped synchronizing rod (64), the upper end of the L-shaped synchronizing rod (64) penetrates and stretches into the switching shell (61), and the side wall is fixedly connected with a pressing raised head (65).
7. A temperature control assembly according to claim 2, wherein the upper end of the serpentine liquid guide plate (24) and the end of the liquid through nozzle (210) in the heat exchange shell (21) are fixedly connected with a layer of sealing and abutting rubber pad.
8. A photovoltaic energy storage battery pack, comprising the temperature control assembly according to any one of claims 1-7, and further comprising an energy storage battery body (10), wherein one side of the energy storage battery body (10) is in fit connection with a heat exchange temperature control mechanism (2), and the energy storage battery body (10) is in fit connection with an input end of a patch type temperature sensor (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410043468.2A CN117559043B (en) | 2024-01-11 | 2024-01-11 | Temperature control assembly and photovoltaic energy storage battery pack with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410043468.2A CN117559043B (en) | 2024-01-11 | 2024-01-11 | Temperature control assembly and photovoltaic energy storage battery pack with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117559043A true CN117559043A (en) | 2024-02-13 |
| CN117559043B CN117559043B (en) | 2024-03-26 |
Family
ID=89823614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410043468.2A Active CN117559043B (en) | 2024-01-11 | 2024-01-11 | Temperature control assembly and photovoltaic energy storage battery pack with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117559043B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118523000A (en) * | 2024-07-22 | 2024-08-20 | 深圳市智赋新能源有限公司 | Energy storage battery temperature control device |
| CN118522996A (en) * | 2024-07-19 | 2024-08-20 | 盛世华通(山东)电气工程有限公司 | Temperature control assembly of photovoltaic energy storage battery pack |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013203190A (en) * | 2012-03-28 | 2013-10-07 | Denso Corp | Battery temperature adjusting device |
| CN210379352U (en) * | 2019-10-23 | 2020-04-21 | 惠州市和盈电子科技有限公司 | Quick radiating lithium cell |
| US20200335839A1 (en) * | 2019-04-22 | 2020-10-22 | Shahriyar Hekmat | Thermal management system for battery module |
| CN217082996U (en) * | 2022-04-20 | 2022-07-29 | 寿光阳波科技有限公司 | High-efficient refrigerating plant of condenser |
| US20220302527A1 (en) * | 2021-03-16 | 2022-09-22 | Worcester Polytechnic Institute | Metal-air battery |
| CN218333944U (en) * | 2022-09-22 | 2023-01-17 | 深圳光宇电源科技有限公司 | Temperature monitoring mechanism for battery pack |
| CN218456090U (en) * | 2022-09-09 | 2023-02-07 | 浙江博纳能源发展有限公司 | Photovoltaic power generation direct current energy storage battery |
| WO2023155942A1 (en) * | 2023-05-17 | 2023-08-24 | 安徽陆泰电气科技有限公司 | High-temperature circuit break protection device for electrical apparatus |
| CN117335531A (en) * | 2023-11-24 | 2024-01-02 | 深圳市电科电源股份有限公司 | Energy storage battery pack for photovoltaic power generation |
-
2024
- 2024-01-11 CN CN202410043468.2A patent/CN117559043B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013203190A (en) * | 2012-03-28 | 2013-10-07 | Denso Corp | Battery temperature adjusting device |
| US20200335839A1 (en) * | 2019-04-22 | 2020-10-22 | Shahriyar Hekmat | Thermal management system for battery module |
| CN210379352U (en) * | 2019-10-23 | 2020-04-21 | 惠州市和盈电子科技有限公司 | Quick radiating lithium cell |
| US20220302527A1 (en) * | 2021-03-16 | 2022-09-22 | Worcester Polytechnic Institute | Metal-air battery |
| CN217082996U (en) * | 2022-04-20 | 2022-07-29 | 寿光阳波科技有限公司 | High-efficient refrigerating plant of condenser |
| CN218456090U (en) * | 2022-09-09 | 2023-02-07 | 浙江博纳能源发展有限公司 | Photovoltaic power generation direct current energy storage battery |
| CN218333944U (en) * | 2022-09-22 | 2023-01-17 | 深圳光宇电源科技有限公司 | Temperature monitoring mechanism for battery pack |
| WO2023155942A1 (en) * | 2023-05-17 | 2023-08-24 | 安徽陆泰电气科技有限公司 | High-temperature circuit break protection device for electrical apparatus |
| CN117335531A (en) * | 2023-11-24 | 2024-01-02 | 深圳市电科电源股份有限公司 | Energy storage battery pack for photovoltaic power generation |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118522996A (en) * | 2024-07-19 | 2024-08-20 | 盛世华通(山东)电气工程有限公司 | Temperature control assembly of photovoltaic energy storage battery pack |
| CN118522996B (en) * | 2024-07-19 | 2024-10-15 | 盛世华通(山东)电气工程有限公司 | Temperature control assembly of photovoltaic energy storage battery pack |
| CN118523000A (en) * | 2024-07-22 | 2024-08-20 | 深圳市智赋新能源有限公司 | Energy storage battery temperature control device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117559043B (en) | 2024-03-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN117559043B (en) | Temperature control assembly and photovoltaic energy storage battery pack with same | |
| CN111969949A (en) | Self-circulation water-cooled solar photovoltaic device under high temperature | |
| CN112751530A (en) | Photovoltaic plate constant-heat snow removing device for solar photovoltaic power generation | |
| CN112172566A (en) | Energy-saving environment-friendly isolated heat dissipation charging pile | |
| CN210023022U (en) | Polycrystalline silicon solar photovoltaic module with self-cleaning function | |
| CN117080187A (en) | Thermoelectric cooling structure of BMS battery management system | |
| CN212361903U (en) | Integrated solar LED lamp | |
| CN202520560U (en) | Vacuum pump rotor cooling element | |
| CN220692652U (en) | High-voltage outlet switch cabinet with built-in heat dissipation structure | |
| CN114865141B (en) | Energy storage liquid cooling device of compound heat transfer | |
| CN221978878U (en) | Dust collector for solar panel | |
| CN216244932U (en) | Photovoltaic and photo-thermal integrated assembly and system | |
| CN211656665U (en) | Mounting base plate for solar controller | |
| CN112671326B (en) | Efficient anti-corrosion device for photovoltaic cell panel and application method of efficient anti-corrosion device | |
| CN113488723B (en) | High-efficient radiating group battery structure | |
| CN215063054U (en) | Refrigeration equipment of ice cold storage circulation system | |
| CN117938035A (en) | Mobile energy storage device based on solar energy | |
| CN214660805U (en) | Solar photovoltaic water pump | |
| CN115416527B (en) | Active semiconductor heat dissipation quick charging gun | |
| CN221281703U (en) | Liquid crystal display with high temperature resistant structure | |
| CN114785194B (en) | Device for recovering and storing waste heat of gas stove | |
| CN116054733B (en) | Suspended photovoltaic wiring device | |
| CN218387325U (en) | Photovoltaic and photothermal integrated assembly | |
| CN215896516U (en) | Naval vessel communication is with battery that high temperature environment can dispel heat and cool down | |
| CN220043345U (en) | Photovoltaic cleaning robot convenient for replacing roller brush |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |