CN107101516A - One kind mixing layer stacked heat exchanger - Google Patents

One kind mixing layer stacked heat exchanger Download PDF

Info

Publication number
CN107101516A
CN107101516A CN201710409362.XA CN201710409362A CN107101516A CN 107101516 A CN107101516 A CN 107101516A CN 201710409362 A CN201710409362 A CN 201710409362A CN 107101516 A CN107101516 A CN 107101516A
Authority
CN
China
Prior art keywords
heat
heat exchange
floor
microchannel
dividing plate
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.)
Pending
Application number
CN201710409362.XA
Other languages
Chinese (zh)
Inventor
马欢
李涛
林云峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HANGZHOU SHENSHI ENERGY CONSERVATION TECHNOLOGY Co Ltd
Hangzhou Micro Control Energy Saving Technology Co Ltd
Original Assignee
HANGZHOU SHENSHI ENERGY CONSERVATION TECHNOLOGY Co Ltd
Hangzhou Micro Control Energy Saving Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by HANGZHOU SHENSHI ENERGY CONSERVATION TECHNOLOGY Co Ltd, Hangzhou Micro Control Energy Saving Technology Co Ltd filed Critical HANGZHOU SHENSHI ENERGY CONSERVATION TECHNOLOGY Co Ltd
Priority to CN201710409362.XA priority Critical patent/CN107101516A/en
Publication of CN107101516A publication Critical patent/CN107101516A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D9/00Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D9/0081Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by a single plate-like element ; the conduits for one heat-exchange medium being integrated in one single plate-like element
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K31/00Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • B23K31/02Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/02Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
    • F28F3/06Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being attachable to the element
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/08Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/08Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
    • F28F3/10Arrangements for sealing the margins
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00Articles made by soldering, welding or cutting
    • B23K2101/04Tubular or hollow articles
    • B23K2101/14Heat exchangers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2260/00Heat exchangers or heat exchange elements having special size, e.g. microstructures
    • F28F2260/02Heat exchangers or heat exchange elements having special size, e.g. microstructures having microchannels
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2275/00Fastening; Joining
    • F28F2275/06Fastening; Joining by welding
    • F28F2275/061Fastening; Joining by welding by diffusion bonding

Abstract

The application is related to a kind of mixing layer stacked heat exchanger, it is sequentially overlapped by some microchannel heat radiation sandwich layers and constituted, and heat exchanging interlayer is provided between each adjacent microchannel heat radiation sandwich layer, heat exchanging interlayer includes heat exchange fin, first sealing strip, microchannel heat radiation sandwich layer includes heat exchange floor, second sealing strip, some heat exchange grooves are offered on heat exchange floor, exchange heat floor upper surface, lower surface is welded with dividing plate by spreading combination weldering respectively, the dividing plate of each heat exchange channel opening down with heat exchange floor lower end, or the opening up dividing plate with heat exchange floor upper end forms some heat exchanging medium passages;Some heat exchange fins are evenly equipped with by Welding respectively between the opposed separators of adjacent two microchannel heat radiation sandwich layer, and some fluid passages are constituted by the fin interval that exchanges heat.The application combines soldering and diffusion bond welds respective advantage, produces a kind of stacked heat exchanger, its scope of application is wider.

Description

One kind mixing layer stacked heat exchanger
Technical field
The present invention relates to a kind of heat exchanger, particularly a kind of mixing layer stacked heat exchanger.
Background technology
Heat exchanger is to be delivered to cold fluid for making heat from hot fluid.Stacked heat exchanger is generally by dividing plate, interior Portion's runner, strip of paper used for sealing, water conservancy diversion runner composition, hot fluid and cold fluid flow in the runner of dividing plate both sides, by runner wall with Dividing plate carries out heat exchange.Runner, strip of paper used for sealing and adjacent dividing plate constitute an interlayer, and such interlayer is stacked, pass through welding Method integral just constitute stacked heat exchanger.And the welding method of current heat exchanger is generally carried out using soldering Connection, and method for welding is to lay solder in every layer surface, melts cored solder using high temperature during soldering, by each interlayer adhesion Cored solder melts when together, because of welding, if channel size is smaller (≤1mm), easily causes the blocking of runner, and can after soldering Small overlap can be formed, for a long time using being likely to occur loosening, dropping, fluid cleanliness is influenceed.
The content of the invention
The problem of the object of the invention is exactly to solve in background technology mixes layer stacked heat exchanger there is provided one kind.
To reach above-mentioned purpose, the present invention is adopted the following technical scheme that:One kind mixing layer stacked heat exchanger, including change Hot core body, the heat exchange core body is sequentially overlapped by some microchannel heat radiation sandwich layers and constituted, and each adjacent microchannel heat radiation sandwich layer it Between be provided with heat exchanging interlayer, the heat exchanging interlayer include heat exchange fin, the first sealing strip, the microchannel heat radiation sandwich layer include heat exchange Some heat exchange grooves are offered on floor, the second sealing strip, heat exchange floor, the heat exchange floor upper surface, lower surface pass through respectively Spread combination weldering and be welded with dividing plate, the dividing plate or opening up and heat exchange rib of each heat exchange channel opening down with heat exchange floor lower end The dividing plate of plate upper end forms some heat exchanging medium passages, on heat exchange floor both sides parallel with heat exchanging medium passage, heat exchange floor Under between corresponding dividing plate diffusion bond be welded with the second sealing strip;Between the opposed separators of adjacent two microchannel heat radiation sandwich layer Some heat exchange fins are evenly equipped with by Welding respectively, and some fluid passages are constituted by the fin interval that exchanges heat, with fluid Have first close by Welding between the parallel heat exchange fin both sides of passage, the opposed separators of adjacent two microchannel heat radiation sandwich layer Strip of paper used for sealing.
For a kind of optimization of the present invention, each fluid passage is rectangular channel.
For a kind of optimization of the present invention, each heat exchange fin is the monolithic construction being made up of a fin bending.
The present invention, with soldering and the respective advantage of diffusion bond weldering is combined, produces one kind compared with background technology Stacked heat exchanger, its scope of application is wider;The effect of wherein fluid course is guiding fluid flow direction, bears fluid Operating pressure, increases heat transfer area, transmits fluid heat, support;The effect of dividing plate is the mixing of fluid in the different interlayers of barrier And crossfire, the operating pressure of fluid is born, fluid heat is transmitted;The effect of strip of paper used for sealing is subject to the operating pressure of fluid, prevents interior Portion's fluid leakage and integrated support effect.
Brief description of the drawings
Fig. 1 is the overall structure diagram for mixing layer stacked heat exchanger.
Fig. 2 is microchannel heat sink and interlayer scheme of installation.
Fig. 3 is A enlarged drawings.
Embodiment
Embodiment 1:Reference picture 1-3.One kind mixing layer stacked heat exchanger, including heat exchange core body 1, the heat exchange core body 1 is sequentially overlapped by some microchannel heat radiation sandwich layers 2 and constitutes, and is provided with heat exchanging interlayer 3 between each adjacent microchannel heat radiation sandwich layer 2, The heat exchanging interlayer 3 includes heat exchange fin 31, the first sealing strip 32, and the microchannel heat radiation sandwich layer 2 includes heat exchange floor 21, the Some heat exchange grooves 211 are offered on two sealing strips 22, heat exchange floor 21, heat exchange floor 21 upper surface, lower surface lead to respectively Cross diffusion combination weldering and be welded with dividing plate 33, the opening down dividing plate 33 or opening court with heat exchange floor 21 lower end of each heat exchange groove 211 The upper dividing plate 33 with heat exchange floor 21 upper end forms some heat exchanging medium passages, the heat exchange floor 21 parallel with heat exchanging medium passage Both sides, heat exchange floor diffusion bond is welded with the second sealing strip 22 between corresponding dividing plate 33 about 21;Adjacent two microchannel Some heat exchange fins 31 are evenly equipped with by Welding respectively between the opposed separators 33 of heat radiation sandwich layer 2, and pass through the fin that exchanges heat 31 intervals constitute some fluid passage 31a, heat exchange fin 31 both sides parallel with fluid passage 31a, the radiating of adjacent two microchannel There is the first sealing strip 32 by Welding between the opposed separators 33 of interlayer 2.Each fluid passage 31a be rectangular channel or other The passage of form.Each heat exchange fin 31 is the monolithic construction being made up of a fin bending.The upside of heat exchange core body 1 is micro- The upside end face of channel heat radiator 2, the dividing plate 33 of the downside end face welding of its downside microchannel heat sink 2 are thick dividing plate, the thickness every Plate is as end plate or is called side plate.
Soldering requires relatively low for temperature and pressure, and required channel size is larger (>=1mm), the layer being made of method for welding Stacked heat exchanger bearing capacity is poor (≤10MPa), and heat exchange efficiency is relatively low, but fluid flow resistance is smaller, it is adaptable to convection current Dynamic resistance requires more strict, the less gas of internal process pressure or liquid, is used for gas.
Diffusion bond soldering method is by by the bright and clean of the same race or foreign material of two surfacings, being not added with any weldering Under conditions of material or coating, in the case where certain temperature and pressure are acted on simultaneously, diffused into one another using the metallic atom for contacting surface Transfer, in face of weld formation metal ion key, through insulation after a while, makes the microstructure homogenization between face of weld, from And reach surface to be welded and the process of metallurgical connection is fully achieved.Due to other solders being not present in welding process, be not in Electrochemical corrosion phenomenon between foreign material, will not also be internally formed impurity in radiating core, influence fluid cleanliness.Diffusion junctions Close weldering and require higher for temperature and pressure, channel size is up to micron order (≤1mm), and what is be welded with diffusion bond is stacked Preferably, heat exchange efficiency is higher for heat exchanger bearing capacity, and preferably (>=10MPa), internal free from admixture does not influence inner chamber to bearing capacity Cleannes, but fluid flow resistance is larger, it is adaptable to, internal process pressure larger gas larger to flow resistance claimed range Or liquid, it is used for liquid.
The application is related to a kind of mixing layer stacked heat exchanger, and it is by the way that soldering and diffusion bond weldering are combined one Rise, it is applied widely, can according to the height (0~tens MPa) of operating pressure, the height of heat exchange efficiency, the size of flow resistance, The requirement of each factor such as the size (0.2mm~more than ten mm) of channel size, in different interlayers from different welding method point Do not welded, then different welding methods are manufactured to the interlayer completed, welded again by soldering or diffusion bond weldering, finally Welding forms an entirety, completes the manufacture of stacked heat exchanger, such as larger in channel size, operating pressure is relatively low, changes The thermal efficiency is relatively low, and the less interlayer of flow resistance uses method for welding;Smaller in channel size, operating pressure is higher, heat exchange effect Rate is higher, and the larger interlayer of flow resistance uses diffusion bond soldering method.The advantage of the present invention is relative to the single welding of tradition The stacked heat exchanger of method, the mixing layer stacked heat exchanger scope of application is wider, and designability is strong, and controllability is strong, The each side demand of client can be met simultaneously.
It is to be understood that:The detailed description although the present embodiment is contrasted to the present invention, these explanations, only It is to simple declaration of the invention, rather than limitation of the present invention.Any invention wound without departing from true spirit Make, each fall within protection scope of the present invention.

Claims (3)

1. one kind mixing layer stacked heat exchanger, it is characterised in that including heat exchange core body (1), the heat exchange core body (1) if by Dry microchannel heat radiation sandwich layer (2), which is sequentially overlapped between composition, and each adjacent microchannel heat radiation sandwich layer (2), is provided with heat exchanging interlayer (3), The heat exchanging interlayer (3) includes heat exchange fin (31), the first sealing strip (32), and the microchannel heat radiation sandwich layer (2) includes heat exchange Some heat exchange grooves (211), the heat exchange floor (21) are offered on floor (21), the second sealing strip (22), heat exchange floor (21) Upper surface, lower surface respectively by spread combination weldering be welded with dividing plate (33), respectively exchange heat groove (211) it is opening down with heat exchange floor (21) dividing plate (33) of lower end or opening up some heat transferring mediums of dividing plate (33) formation with heat exchange floor (21) upper end lead to Road, heat exchange floor (21) both sides parallel with heat exchanging medium passage, heat exchange floor (21) expand between corresponding dividing plate (33) up and down Dissipating bind closes weldering and is welded with the second sealing strip (22);Lead to respectively between the opposed separators (33) of adjacent two microchannel heat radiation sandwich layer (2) Cross Welding and be evenly equipped with some heat exchange fins (31), and some fluid passages (31a) are constituted by the fin that exchanges heat (31) interval, Heat exchange fin (31) both sides parallel with fluid passage (31a), the opposed separators (33) of adjacent two microchannel heat radiation sandwich layer (2) it Between have the first sealing strip (32) by Welding.
2. mixing layer stacked heat exchanger according to claim 1, it is characterised in that:Each fluid passage (31a) is square Shape passage.
3. mixing layer stacked heat exchanger according to claim 1, it is characterised in that:It is described it is each heat exchange fin (31) be The monolithic construction being made up of a fin bending.
CN201710409362.XA 2017-06-02 2017-06-02 One kind mixing layer stacked heat exchanger Pending CN107101516A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710409362.XA CN107101516A (en) 2017-06-02 2017-06-02 One kind mixing layer stacked heat exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710409362.XA CN107101516A (en) 2017-06-02 2017-06-02 One kind mixing layer stacked heat exchanger

Publications (1)

Publication Number Publication Date
CN107101516A true CN107101516A (en) 2017-08-29

Family

ID=59659904

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710409362.XA Pending CN107101516A (en) 2017-06-02 2017-06-02 One kind mixing layer stacked heat exchanger

Country Status (1)

Country Link
CN (1) CN107101516A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108145275A (en) * 2018-01-31 2018-06-12 无锡博利达换热器有限公司 The assembling device and method of heat exchange core body
CN110022664A (en) * 2019-04-04 2019-07-16 上海理工大学 A kind of device carrying out electronic element radiating using bionical alveolar heat exchanger
CN110579123A (en) * 2019-09-19 2019-12-17 中国核动力研究设计院 High-pressure compact heat exchanger structure with double-side special-shaped runners and assembling method thereof
US20210131738A1 (en) * 2019-11-04 2021-05-06 Danfoss A/S Plate-and-shell heat exchanger and a channel blocking plate for a plate-and-shell heat exchanger
US20210404750A1 (en) * 2020-06-26 2021-12-30 Vacuum Process Engineering, Inc. Integrated hybrid compact fluid heat exchanger

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0607006A1 (en) * 1993-01-11 1994-07-20 KABUSHIKI KAISHA KOBE SEIKO SHO also known as Kobe Steel Ltd. Plate fin heat exchanger built-in type multi-stage thermosiphon
JP2000161742A (en) * 1998-11-27 2000-06-16 Matsushita Seiko Co Ltd Heat exchange element and its manufacture
CN101458044A (en) * 2008-12-31 2009-06-17 张伟君 Highly effective complete aluminum alloy heat exchanger
CN101672597A (en) * 2009-09-28 2010-03-17 爱克奇换热技术(太仓)有限公司 Core of heat exchanger
CN101782341A (en) * 2010-03-11 2010-07-21 宁波汇富机电制造有限公司 Aluminum plate-fin type heat exchanger and vacuum braze welding process method thereof
CN101832723A (en) * 2010-04-29 2010-09-15 华南理工大学 Plate-fin heat exchanger for gas heater
CN102003899A (en) * 2010-12-01 2011-04-06 杭州沈氏换热器有限公司 Microchannel heat exchanger
CN103644749A (en) * 2013-12-19 2014-03-19 刘小江 Counter flow type heat exchanger provided with flat tubes
CN206919722U (en) * 2017-06-02 2018-01-23 杭州微控节能科技有限公司 Mix layer stacked heat exchanger

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0607006A1 (en) * 1993-01-11 1994-07-20 KABUSHIKI KAISHA KOBE SEIKO SHO also known as Kobe Steel Ltd. Plate fin heat exchanger built-in type multi-stage thermosiphon
JP2000161742A (en) * 1998-11-27 2000-06-16 Matsushita Seiko Co Ltd Heat exchange element and its manufacture
CN101458044A (en) * 2008-12-31 2009-06-17 张伟君 Highly effective complete aluminum alloy heat exchanger
CN101672597A (en) * 2009-09-28 2010-03-17 爱克奇换热技术(太仓)有限公司 Core of heat exchanger
CN101782341A (en) * 2010-03-11 2010-07-21 宁波汇富机电制造有限公司 Aluminum plate-fin type heat exchanger and vacuum braze welding process method thereof
CN101832723A (en) * 2010-04-29 2010-09-15 华南理工大学 Plate-fin heat exchanger for gas heater
CN102003899A (en) * 2010-12-01 2011-04-06 杭州沈氏换热器有限公司 Microchannel heat exchanger
CN103644749A (en) * 2013-12-19 2014-03-19 刘小江 Counter flow type heat exchanger provided with flat tubes
CN206919722U (en) * 2017-06-02 2018-01-23 杭州微控节能科技有限公司 Mix layer stacked heat exchanger

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108145275A (en) * 2018-01-31 2018-06-12 无锡博利达换热器有限公司 The assembling device and method of heat exchange core body
CN110022664A (en) * 2019-04-04 2019-07-16 上海理工大学 A kind of device carrying out electronic element radiating using bionical alveolar heat exchanger
CN110022664B (en) * 2019-04-04 2020-12-01 上海理工大学 Device for radiating electronic element by utilizing bionic alveolar heat exchanger
CN110579123A (en) * 2019-09-19 2019-12-17 中国核动力研究设计院 High-pressure compact heat exchanger structure with double-side special-shaped runners and assembling method thereof
US20210131738A1 (en) * 2019-11-04 2021-05-06 Danfoss A/S Plate-and-shell heat exchanger and a channel blocking plate for a plate-and-shell heat exchanger
US20210404750A1 (en) * 2020-06-26 2021-12-30 Vacuum Process Engineering, Inc. Integrated hybrid compact fluid heat exchanger

Similar Documents

Publication Publication Date Title
CN107101516A (en) One kind mixing layer stacked heat exchanger
US11002469B2 (en) Integral heat superconducting plate heat exchanger and fabrication method therefor
US8708036B2 (en) Heat exchanger for cooling high-temperature gas
CN109297329B (en) Channel heat pipe with circumferential channel and connecting method thereof
CN206919722U (en) Mix layer stacked heat exchanger
WO2017113571A1 (en) Integrated phase-change inhibition heat transfer and heat exchange plate structure and manufacturing method thereof
CN103575140A (en) Compact type aluminum heat exchanger with welding pipe for power electronic equipment and battery cooling
US10215496B2 (en) Multi-flow heat exchanger for exchanging heat between cool fluid and hot fluid
JP6594598B1 (en) Plate type heat exchanger, heat pump device provided with plate type heat exchanger, and heat pump type heating hot water supply system provided with heat pump device
JP3597436B2 (en) Heat exchanger
JP2009121758A (en) Heat exchanger and cryogenic system
CN105202960A (en) Aluminum tube type heat exchanger
CN109041540B (en) Square tube shell cross joint
CN104577707A (en) Stacked-array liquid refrigeration type high-power semiconductor laser
CN107131778A (en) Stacked spiral shell disk heat exchanger
JP2016031158A (en) Heat exchanger
JP3812487B2 (en) Heat exchanger
KR101646484B1 (en) Plate Heat Exchangers having copper connectors's manufacturing method
CN204349207U (en) Stack-up array liquid refrigeration type high-power semiconductor laser
JP6743846B2 (en) Laminated heat exchanger and method for manufacturing the laminated heat exchanger
JP2016183811A (en) Micro flow passage heat exchanger
CN205102637U (en) Heat exchanger
JP2016539454A (en) Cost effective apparatus and method for controlling the temperature of a motor vehicle battery module
CN210325775U (en) Liquid cooling radiator
CN103925724A (en) Solar heat collection board high in heat transfer efficiency

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