CN105529423A - New energy battery explosion-proof valve - Google Patents

New energy battery explosion-proof valve Download PDF

Info

Publication number
CN105529423A
CN105529423A CN201610001995.2A CN201610001995A CN105529423A CN 105529423 A CN105529423 A CN 105529423A CN 201610001995 A CN201610001995 A CN 201610001995A CN 105529423 A CN105529423 A CN 105529423A
Authority
CN
China
Prior art keywords
valve
explosion
battery
proof
energy battery
Prior art date
Application number
CN201610001995.2A
Other languages
Chinese (zh)
Inventor
刘立富
Original Assignee
惠州市欣宇科技有限公司
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
Family has litigation
Application filed by 惠州市欣宇科技有限公司 filed Critical 惠州市欣宇科技有限公司
Priority to CN201610001995.2A priority Critical patent/CN105529423A/en
Publication of CN105529423A publication Critical patent/CN105529423A/en
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=55771520&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CN105529423(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

Links

Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/30Arrangements for facilitating escape of gases
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The invention discloses a new energy battery explosion-proof valve, which comprises a main valve body, a seal ring, a piece of explosion-proof membrane paper, a membrane paper protection plate and a protective cover, wherein a membrane paper mounting platform is arranged at one side of the main valve body; the explosion-proof membrane paper is welded on the membrane paper mounting platform in a hot melting manner; an annular bump is arranged on the outer circumference of the membrane paper mounting platform; the membrane paper protection plate is arranged in the annular bump; a protective bottom plate is arranged at the lower part of the membrane paper mounting platform; the protective bottom plate is provided with an explosion-proof pointed cone toward the explosion-proof membrane paper; the protective cover is arranged out of the protective bottom plate; the seal ring is arranged between the outer surface of the annular bump and the main valve body; the main valve body is movably connected with a battery shell through the annular bump; and the main valve body and a battery shell are sealed through the seal ring. The new energy battery explosion-proof valve has the advantages of being simple in structure, low in cost, dustproof, waterproof, explosion-proof and breathable, and can balance internal pressure and external pressure of a sealed accommodating cavity of a battery.

Description

A kind of new forms of energy battery anti-explosion valve
Technical field
The present invention relates to battery anti-explosion technical field, be specially a kind of new forms of energy battery anti-explosion valve.
Background technology
Existing battery anti-explosion valve is primarily of adjustable gas bleeder valve, explosion-proof ball and spring and disappointing base composition, and adjustable gas bleeder valve is arranged on disappointing base, is provided with spring and explosion-proof ball between the two, and explosion-proof ball is against on the exhaust passage of disappointing base.Due to the gas alkalize produced in battery, such gas has the effect of corrosion to metallic spring, time has been grown spring and has easily damaged, the power of setting size can not be provided, the easy like this internal pressure that appears at also does not reach dangerous values explosion-proof valve and just opens, after spring thoroughly damages, namely explosion-proof valve can lose efficacy, and easily causes the accident.The setting of disappointing base simultaneously, make explosion-proof valve inner airtight airtight, of long duration, explosion-proof valve external and internal pressure is easily unbalance.Its explosion-proof effect is poor, poor air permeability, and without water-proof function.
Summary of the invention
The invention provides a kind of structure simple, cost is low, dustproof and waterproof, the new forms of energy battery anti-explosion valve of explosion-proof ventilative and balancing battery sealed volume external and internal pressure.
The present invention can be achieved through the following technical solutions:
A kind of new forms of energy battery anti-explosion valve, comprise valve body, sealing ring, rupture pressure disc paper, film paper screening glass and protective cover, the side of described valve body is provided with film paper erecting bed, the sweat soldering of described rupture pressure disc paper is on film paper erecting bed, described film paper erecting bed excircle is provided with annular protrusion, film paper screening glass is provided with in described annular protrusion, protection base plate is provided with below described film paper erecting bed, described protection base plate is provided with the explosion-proof pointed cone towards rupture pressure disc paper, the outside of described protection base plate is provided with protective cover, sealing ring is provided with between described annular protrusion outer surface and valve body, described valve body is flexibly connected with battery case by annular protrusion, sealed by sealing ring between valve body and battery case.New forms of energy battery anti-explosion valve of the present invention is formed primarily of valve body, sealing ring, rupture pressure disc paper, film paper screening glass and protective cover, and its parts are few, and structure is simple; New forms of energy battery anti-explosion valve of the present invention all adopts conventional material to make primarily of valve body, sealing ring, rupture pressure disc paper, film paper screening glass and protective cover, and its abundant raw material source is with low cost; Rupture pressure disc paper in new forms of energy battery anti-explosion valve of the present invention adopts the expanded PTFE of water proof and dust proof to make, the simultaneously setting of sealing ring on valve body, can excellent sealing for realizing valve body and battery case, moisture content in effective obstruct outside air or dust enter in battery case, and its dustproof and waterproof is effective; New forms of energy battery anti-explosion valve of the present invention is arranged on battery-shell surface, rupture pressure disc paper adopts the expanded PTFE of dustproof and waterproof and good permeability to make, when battery case or battery case internal pressure increase, air pressure can be discharged by rupture pressure disc paper, realize ventilative, when the pressure in battery case or battery case reaches critical value, rupture pressure disc paper outwards expands and to contact with the explosion-proof pointed cone that valve body is arranged, explosion-proof pointed cone meeting bursting rupture pressure disc paper, make battery case or the inside and outside connection of battery case, in quick release shell or case internal pressure, realize explosion-proof, it is explosion-proof and air permeable effect is good; In shell or when case internal pressure reaches critical value, rupture pressure disc paper outwards can expand and contact with the explosion-proof pointed cone be arranged on valve body, by explosion-proof pointed cone bursting rupture pressure disc paper, make the inside and outside connection of shell or case, perfection balances the external and internal pressure of cell sealing cavity volume, solve the explosion hazard that battery compartment produces because internal pressure is excessive, extend the useful life of battery, decrease the rate of breakdown of battery simultaneously.
Further, described annular protrusion outer surface is provided with external screw thread, and annular protrusion is threaded with battery case, easy to operate, connects fast.
Further, described annular protrusion and the draw-in groove being provided with a circle between valve body and matching with sealing ring, sealing ring is provided with in described draw-in groove, the setting of sealing ring, effective sealing battery case, effectively guarantee that moisture in outside air or dust can not enter in shell by valve body, effectively guarantee the quality of battery in shell.
Further, described rupture pressure disc paper adopts expanded PTFE to make, and the rupture pressure disc paper that expanded PTFE is made has frivolous, durable, waterproof, the feature such as windproof, dust-proof and ventilative, namely air molecule by, and hydrone not by.
Further, described annular protrusion is provided with multiple plastic cement post for fixing film paper screening glass, and described film paper screening glass loads after on film paper erecting bed, and described plastic cement post welds with on film paper screening glass after high temperature melting, plays fixation.
Further, described film paper screening glass is provided with multiple size, variform air-vent, is convenient to breathe freely, and effectively guarantees that the pressure in battery case is exerted pressure to rupture pressure disc paper after film paper screening glass.
Further, described film paper screening glass is stainless steel protection sheet.
Further, the excircle of described valve body is provided with multiplely outwards is convenient to hand-held triangular shape projection, the setting of triangular shape projection, and be convenient to hand-held and rotate, handled easily valve is connected with battery case or the quick of battery case.
New forms of energy battery anti-explosion valve of the present invention, has following beneficial effect:
The first, structure is simple, and new forms of energy battery anti-explosion valve of the present invention is formed primarily of valve body, sealing ring, rupture pressure disc paper, film paper screening glass and protective cover, and its parts are few, and structure is simple;
The second, cost is low, and new forms of energy battery anti-explosion valve of the present invention all adopts conventional material to make primarily of valve body, sealing ring, rupture pressure disc paper, film paper screening glass and protective cover, and its abundant raw material source is with low cost;
Three, dustproof and waterproof is effective, rupture pressure disc paper in new forms of energy battery anti-explosion valve of the present invention adopts the expanded PTFE of water proof and dust proof to make, the simultaneously setting of sealing ring on valve body, can excellent sealing for realizing valve body and battery case, moisture content in effective obstruct outside air or dust enter in battery case, and its dustproof and waterproof is effective;
4th, explosion-proof good with air permeable effect, new forms of energy battery anti-explosion valve of the present invention is arranged on battery-shell surface, rupture pressure disc paper adopts the expanded PTFE of dustproof and waterproof and good permeability to make, when battery case or battery case internal pressure increase, air pressure can be discharged by rupture pressure disc paper, realize ventilative, when the pressure in battery case or battery case reaches critical value, rupture pressure disc paper outwards expands and to contact with the explosion-proof pointed cone that valve body is arranged, explosion-proof pointed cone meeting bursting rupture pressure disc paper, make battery case or the inside and outside connection of battery case, in quick release shell or case internal pressure, realize explosion-proof, it is explosion-proof and air permeable effect is good,
Five, balancing battery sealed volume external and internal pressure, the use side extending battery closes, from the 4th, in shell or when case internal pressure reaches critical value, rupture pressure disc paper outwards can expand and contact with the explosion-proof pointed cone be arranged on valve body, by explosion-proof pointed cone bursting rupture pressure disc paper, make the inside and outside connection of shell or case, perfection balances the external and internal pressure of cell sealing cavity volume, solve the explosion hazard that battery compartment produces because internal pressure is excessive, extend the useful life of battery, decrease the rate of breakdown of battery simultaneously.
Accompanying drawing explanation
Fig. 1 is the assembling schematic diagram of new forms of energy battery anti-explosion valve of the present invention;
Fig. 2 is the decomposing schematic representation of new forms of energy battery anti-explosion valve of the present invention;
Fig. 3 is the structural representation of valve body in Fig. 1 and Fig. 2.
Embodiment
In order to make those skilled in the art person understand technical scheme of the present invention better, below in conjunction with embodiment and accompanying drawing, product of the present invention is described in further detail.
As shown in Figure 1 to Figure 3; a kind of new forms of energy battery anti-explosion valve; comprise valve body 1, sealing ring 2, rupture pressure disc paper 3, film paper screening glass 4 and protective cover 6; described film paper screening glass 4 is stainless steel protection sheet; described film paper screening glass 4 is provided with multiple size, variform air-vent 5; be convenient to breathe freely, effectively guarantee that the pressure in battery case is exerted pressure to rupture pressure disc paper 3 after film paper screening glass 4.The excircle of described valve body 1 is provided with multiplely outwards is convenient to hand-held triangular shape projection 10, the setting of triangular shape projection 10, and be convenient to hand-held and rotate, handled easily valve is connected with battery case or the quick of battery case.The side of described valve body 1 is provided with film paper erecting bed 7, the sweat soldering of described rupture pressure disc paper 3 is on film paper erecting bed 7, described film paper erecting bed 7 excircle is provided with annular protrusion 8, film paper screening glass 4 is provided with in described annular protrusion 8, protection base plate 13 is provided with below described film paper erecting bed 7, described protection base plate 13 is provided with the explosion-proof pointed cone 12 towards rupture pressure disc paper 3, the outside of described protection base plate 13 is provided with protective cover 6, sealing ring 2 is provided with between described annular protrusion 8 outer surface and valve body 1, described valve body 1 is flexibly connected with battery case by annular protrusion 8, sealed by sealing ring 2 between valve body 1 and battery case.New forms of energy battery anti-explosion valve of the present invention is formed primarily of valve body 1, sealing ring 2, rupture pressure disc paper 3, film paper screening glass 4 and protective cover 6, and its parts are few, and structure is simple, new forms of energy battery anti-explosion valve of the present invention all adopts conventional material to make primarily of valve body 1, sealing ring 2, rupture pressure disc paper 3, film paper screening glass 4 and protective cover 6, and its abundant raw material source is with low cost, rupture pressure disc paper 3 in new forms of energy battery anti-explosion valve of the present invention adopts the expanded PTFE of water proof and dust proof to make, the simultaneously setting of sealing ring 2 on valve body 1, can excellent sealing for realizing valve body 1 and battery case, moisture content in effective obstruct outside air or dust enter in battery case, and its dustproof and waterproof is effective, new forms of energy battery anti-explosion valve of the present invention is arranged on battery-shell surface, rupture pressure disc paper 3 adopts the expanded PTFE of dustproof and waterproof and good permeability to make, when battery case or battery case internal pressure increase, air pressure can be discharged by rupture pressure disc paper 3, realize ventilative, when the pressure in battery case or battery case reaches critical value, rupture pressure disc paper 3 outwards expands and contacts with the explosion-proof pointed cone 12 that valve body 1 is arranged, explosion-proof pointed cone 12 meeting bursting rupture pressure disc paper 3, make battery case or the inside and outside connection of battery case, in quick release shell or case internal pressure, realize explosion-proof, it is explosion-proof and air permeable effect is good, in shell or when case internal pressure reaches critical value, rupture pressure disc paper 3 outwards can expand and contact with the explosion-proof pointed cone 12 be arranged on valve body 1, by explosion-proof pointed cone 12 bursting rupture pressure disc paper 3, make the inside and outside connection of shell or case, perfection balances the external and internal pressure of cell sealing cavity volume, solve the explosion hazard that battery compartment produces because internal pressure is excessive, extend the useful life of battery, decrease the rate of breakdown of battery simultaneously.
As shown in Figure 1 to Figure 3, described annular protrusion 8 outer surface is provided with external screw thread, and annular protrusion 8 is threaded with battery case, easy to operate, connects fast.Described annular protrusion 8 and the draw-in groove 11 being provided with a circle between valve body 1 and matching with sealing ring 2, sealing ring 2 is provided with in described draw-in groove 11, the setting of sealing ring 2, effective sealing battery case, effectively guarantee that moisture in outside air or dust can not enter in shell by valve body 1, effectively guarantee the quality of battery in shell.
As shown in Figures 2 and 3, described rupture pressure disc paper 3 adopts expanded PTFE to make, the rupture pressure disc paper 3 that expanded PTFE is made has frivolous, durable, waterproof, the feature such as windproof, dust-proof and ventilative, namely air molecule by, and hydrone not by.Described annular protrusion 8 is provided with multiple plastic cement post 9 for fixing film paper screening glass 4, and described film paper screening glass 4 loads after on film paper erecting bed 7, and described plastic cement post 9 welds with on film paper screening glass 4 after high temperature melting, plays fixation.
The above, be only preferred embodiment of the present invention, not does any pro forma restriction to the present invention; The those of ordinary skill of all industry all can shown in by specification accompanying drawing and the above and implement the present invention swimmingly; But all those skilled in the art are not departing within the scope of technical solution of the present invention, disclosed above technology contents can be utilized and make a little change, modify with differentiation equivalent variations, be Equivalent embodiments of the present invention; Meanwhile, all according to substantial technological of the present invention to the change of any equivalent variations that above embodiment is done, modify and differentiation etc., within the protection range all still belonging to technical scheme of the present invention.

Claims (8)

1. a new forms of energy battery anti-explosion valve, it is characterized in that: comprise valve body, sealing ring, rupture pressure disc paper, film paper screening glass and protective cover, the side of described valve body is provided with film paper erecting bed, the sweat soldering of described rupture pressure disc paper is on film paper erecting bed, described film paper erecting bed excircle is provided with annular protrusion, film paper screening glass is provided with in described annular protrusion, protection base plate is provided with below described film paper erecting bed, described protection base plate is provided with the explosion-proof pointed cone towards rupture pressure disc paper, the outside of described protection base plate is provided with protective cover, sealing ring is provided with between described annular protrusion outer surface and valve body, described valve body is flexibly connected with battery case by annular protrusion, sealed by sealing ring between valve body and battery case.
2. new forms of energy battery anti-explosion valve according to claim 1, is characterized in that: described annular protrusion outer surface is provided with external screw thread, and annular protrusion is threaded with battery case.
3. new forms of energy battery anti-explosion valve according to claim 2, is characterized in that: described annular protrusion and the draw-in groove being provided with a circle between valve body and matching with sealing ring, be provided with sealing ring in described draw-in groove.
4. new forms of energy battery anti-explosion valve according to claim 3, is characterized in that: described rupture pressure disc paper adopts expanded PTFE to make.
5. new forms of energy battery anti-explosion valve according to claim 4, is characterized in that: described annular protrusion is provided with multiple plastic cement post for fixing film paper screening glass.
6. new forms of energy battery anti-explosion valve according to claim 5, is characterized in that: described film paper screening glass is provided with multiple size, variform air-vent.
7. new forms of energy battery anti-explosion valve according to claim 6, is characterized in that: described film paper screening glass is stainless steel protection sheet.
8. new forms of energy battery anti-explosion valve according to claim 7, is characterized in that: the excircle of described valve body is provided with multiplely outwards is convenient to hand-held triangular shape projection.
CN201610001995.2A 2016-01-06 2016-01-06 New energy battery explosion-proof valve CN105529423A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610001995.2A CN105529423A (en) 2016-01-06 2016-01-06 New energy battery explosion-proof valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610001995.2A CN105529423A (en) 2016-01-06 2016-01-06 New energy battery explosion-proof valve

Publications (1)

Publication Number Publication Date
CN105529423A true CN105529423A (en) 2016-04-27

Family

ID=55771520

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610001995.2A CN105529423A (en) 2016-01-06 2016-01-06 New energy battery explosion-proof valve

Country Status (1)

Country Link
CN (1) CN105529423A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105702898A (en) * 2016-05-04 2016-06-22 惠州市沃瑞科技有限公司 Quick pressure relief balance valve applied to battery pack
CN105720221A (en) * 2016-05-04 2016-06-29 惠州市沃瑞科技有限公司 Metal part pressure anti-explosion pressure-release balance valve used in compact battery pack
CN105720222A (en) * 2016-05-04 2016-06-29 惠州市沃瑞科技有限公司 Pressure anti-explosion decompression balance valve utilizing small-sized battery pack
CN106090365A (en) * 2016-07-29 2016-11-09 惠州市沃瑞科技有限公司 A kind of plastic parts explosion-proof relief balanced valve of Fast Installation
CN107178638A (en) * 2017-07-13 2017-09-19 芜湖天量电池系统有限公司 A kind of explosion-proof vent valve
CN107994181A (en) * 2017-10-30 2018-05-04 吉利汽车研究院(宁波)有限公司 A kind of power battery balances explosion-protection equipment
CN108598325A (en) * 2018-06-07 2018-09-28 陶洋 A kind of novel retainer of accumulator

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03263754A (en) * 1990-03-13 1991-11-25 Seiko Electronic Components Ltd Organic electrolyte battery
CN201294236Y (en) * 2008-10-22 2009-08-19 比亚迪股份有限公司 Explosion-proof valve for lithium battery
CN102916147A (en) * 2011-08-03 2013-02-06 爱尔铃克铃尔股份公司 Pressure compensation element for a housing of an electrochemical device
CN103094512A (en) * 2013-01-17 2013-05-08 苏州凯虹高分子科技有限公司 Safety valve of lithium battery
TW201414052A (en) * 2012-09-19 2014-04-01 Dijiya Energy Saving Technology Inc Lithium battery having an explosion-proof structure
CN203932167U (en) * 2014-06-23 2014-11-05 中航锂电(洛阳)有限公司 The detachable safety valve of electrokinetic cell
CN204029907U (en) * 2014-07-11 2014-12-17 浙江虹达特种橡胶制品有限公司 Lithium cell safety valve
CN205264782U (en) * 2016-01-06 2016-05-25 惠州市欣宇科技有限公司 Explosion -proof valve of new forms of energy battery

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03263754A (en) * 1990-03-13 1991-11-25 Seiko Electronic Components Ltd Organic electrolyte battery
CN201294236Y (en) * 2008-10-22 2009-08-19 比亚迪股份有限公司 Explosion-proof valve for lithium battery
CN102916147A (en) * 2011-08-03 2013-02-06 爱尔铃克铃尔股份公司 Pressure compensation element for a housing of an electrochemical device
TW201414052A (en) * 2012-09-19 2014-04-01 Dijiya Energy Saving Technology Inc Lithium battery having an explosion-proof structure
CN103094512A (en) * 2013-01-17 2013-05-08 苏州凯虹高分子科技有限公司 Safety valve of lithium battery
CN203932167U (en) * 2014-06-23 2014-11-05 中航锂电(洛阳)有限公司 The detachable safety valve of electrokinetic cell
CN204029907U (en) * 2014-07-11 2014-12-17 浙江虹达特种橡胶制品有限公司 Lithium cell safety valve
CN205264782U (en) * 2016-01-06 2016-05-25 惠州市欣宇科技有限公司 Explosion -proof valve of new forms of energy battery

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105702898A (en) * 2016-05-04 2016-06-22 惠州市沃瑞科技有限公司 Quick pressure relief balance valve applied to battery pack
CN105720221A (en) * 2016-05-04 2016-06-29 惠州市沃瑞科技有限公司 Metal part pressure anti-explosion pressure-release balance valve used in compact battery pack
CN105720222A (en) * 2016-05-04 2016-06-29 惠州市沃瑞科技有限公司 Pressure anti-explosion decompression balance valve utilizing small-sized battery pack
CN106090365A (en) * 2016-07-29 2016-11-09 惠州市沃瑞科技有限公司 A kind of plastic parts explosion-proof relief balanced valve of Fast Installation
CN107178638A (en) * 2017-07-13 2017-09-19 芜湖天量电池系统有限公司 A kind of explosion-proof vent valve
CN107994181A (en) * 2017-10-30 2018-05-04 吉利汽车研究院(宁波)有限公司 A kind of power battery balances explosion-protection equipment
CN107994181B (en) * 2017-10-30 2020-11-13 吉利汽车研究院(宁波)有限公司 Balanced explosion-proof equipment of power battery
CN108598325A (en) * 2018-06-07 2018-09-28 陶洋 A kind of novel retainer of accumulator

Similar Documents

Publication Publication Date Title
CN101901886B (en) Power battery explosion protection device
WO2011019237A3 (en) Cylindrical rechargeable battery with improved stability
KR200465659Y1 (en) Ring flip-top tube container
CN204467663U (en) A kind of novel double-layer glass heat-insulating cup
CN108692078A (en) Pressure equaliser for shell
CN205333259U (en) A airtight testing arrangement for moulding plastics oil lid
NZ594546A (en) Closure assembly for electrochemical cells
CN201934783U (en) Bellows stop valve special for chlorine
CN108533811A (en) A kind of explosion-proof valve and detection method for inflating spool, fast aeration detection box body tightness
CN102808979A (en) Shielding waterproof ventilated valve
CN105546169A (en) Waterproof air-permeable valve
CN201689923U (en) Top cover of rechargeable battery packaging shell
CN205207826U (en) Water -proof ventilation valve
CN204882009U (en) Multistation gas tightness check out test set
CN204355793U (en) Feeding machine
CN101769526A (en) Water-proof lamp with breathing device
CN201909072U (en) Waterproof, dustproof, ventilated and heat-dissipating breathing device of outdoor seal equipment
CN201191250Y (en) Enclosed microwave diminishing pot having pressure relief ring
CN206159577U (en) Explosion -proof waterproof ventilation valve
CN201983478U (en) Flat plate solar collector with breather valve
CN103035540B (en) Low moisture content encapsulation device and method of jumbo size non-standard metal encapsulation device
CN107785518A (en) A kind of battery of decompression explosion-proof
CN202898011U (en) Double-layer reactor for reaction of hydrogen production agent
CN206098513U (en) Explosion -proof valve
CN107089417A (en) A kind of waterproof and breathable closure

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
TA01 Transfer of patent application right

Effective date of registration: 20181219

Address after: 516000 Building B of Haibao Industrial Zone, Digital Park, Sandong Town, Huicheng District, Huizhou City, Guangdong Province

Applicant after: Huizhou Voir Technology Co., Ltd.

Address before: 516008 No. 17, New Group II, Shizhen Village, Chenjiang Town, Zhongkai High-tech Zone, Huizhou City, Guangdong Province

Applicant before: HUIZHOU XINYU TECHNOLOGY CO., LTD.

Effective date of registration: 20181219

Address after: 516000 Building B of Haibao Industrial Zone, Digital Park, Sandong Town, Huicheng District, Huizhou City, Guangdong Province

Applicant after: Huizhou Voir Technology Co., Ltd.

Address before: 516008 No. 17, New Group II, Shizhen Village, Chenjiang Town, Zhongkai High-tech Zone, Huizhou City, Guangdong Province

Applicant before: HUIZHOU XINYU TECHNOLOGY CO., LTD.

TA01 Transfer of patent application right
RJ01 Rejection of invention patent application after publication

Application publication date: 20160427

RJ01 Rejection of invention patent application after publication