CN209436292U - A kind of mask - Google Patents
A kind of mask Download PDFInfo
- Publication number
- CN209436292U CN209436292U CN201821278259.2U CN201821278259U CN209436292U CN 209436292 U CN209436292 U CN 209436292U CN 201821278259 U CN201821278259 U CN 201821278259U CN 209436292 U CN209436292 U CN 209436292U
- Authority
- CN
- China
- Prior art keywords
- mask
- expiration
- mask body
- purifying
- air
- 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.)
- Expired - Fee Related
Links
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000001914 filtration Methods 0.000 claims abstract description 9
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 20
- 239000010409 thin film Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 230000001815 facial effect Effects 0.000 abstract description 5
- 229920002521 macromolecule Polymers 0.000 abstract description 5
- 230000003670 easy-to-clean Effects 0.000 abstract description 4
- 230000000737 periodic effect Effects 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 abstract description 4
- 210000001331 nose Anatomy 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 244000043261 Hevea brasiliensis Species 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229920003052 natural elastomer Polymers 0.000 description 3
- 229920001194 natural rubber Polymers 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 101100269850 Caenorhabditis elegans mask-1 gene Proteins 0.000 description 1
- 208000000059 Dyspnea Diseases 0.000 description 1
- 206010013975 Dyspnoeas Diseases 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 210000000621 bronchi Anatomy 0.000 description 1
- 208000026106 cerebrovascular disease Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000003928 nasal cavity Anatomy 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 210000001533 respiratory mucosa Anatomy 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 208000023504 respiratory system disease Diseases 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The utility model discloses a kind of masks, comprising: mask body, solar element, powered air-purifying element and expiration element；Solar element is produced electricl energy using luminous energy, to powered air-purifying power elements；Powered air-purifying element is actively blown into mask, and crosses air filtering；Expiration element exports the air in mask.By mask provided by the utility model, mask body is flexible macromolecule material, good with facial stickiness, does not need nose press strip also and can achieve good sealing effect, and is easy to clean, may be reused；Powered air-purifying element is realized actively blows into mask, and expiration element exports the air in mask, and wear comfort is promoted；Solar element realizes unlimited power supply to solve the problems, such as that electric mask needs periodic replacement battery.
Description
Technical field
The utility model relates to technical field of air purification more particularly to a kind of masks.
Background technique
In recent years, with the continuous deterioration of air quality, haze increasingly sharpens.Contain a large amount of harmful substance in haze,
Respiratory mucosa can be stimulated and destroy, wherein the floating particle object diameter of tiny granular is generally at 0.01 micron hereinafter, can be straight
It connected respiratory system and enters bronchus or even lung, and caused nasal cavity inflammation, respiratory disease, cardio-cerebrovascular diseases.
Mask has certain effect in terms of haze, therefore as main personal protective equipment, quickly enters
Daily life.Currently, the mask of commercial type is divided into plane face mask and cup type mask.Plane face mask is close with face
Conjunction property is poor, cannot effectively carry out air filtration.Traditional cup type mask is when in use in order to guarantee the filter effect of mask, to the greatest extent
Mask periphery may be sealed, reduce the exchange velocity of itself and outside air, long periods of wear will cause expiratory dyspnea.Have
Although the cup type mask of breather valve alleviates discomfort to a certain extent, the breathing strength of people is needed to be opened and closed valve, for a long time
Wear the phenomenon that being easy fatigue and feeling oppressed.Traditional electric mask, although improving to a certain extent dyspneic
Problem, but common button cell is mostly used to be powered, needs periodically to replace battery, uneconomical and not environmentally.
Defect common to above-mentioned mask: filter device is all disposably that wear life is all shorter；Mask body is not
Easy cleaning, long periods of wear sanitary conditions are poor.
Therefore, how happy air-flow, comfortable wearing are provided and can completely wear the mask used for a long time as this field skill
Art personnel's urgent problem to be solved.
Utility model content
For the technical problems in the prior art, the utility model proposes a kind of masks, comprising: mask body,
Solar element, powered air-purifying element and expiration element；
The solar element is arranged on the mask body outer wall, and for being produced electricl energy using luminous energy, Xiang Suoshu is sent
The power supply of wind filter element；
The powered air-purifying element is arranged in the mask body, for actively blowing into the mask, and filters
Air；
The expiration element is set in the mask body, for exporting the air in the mask；
Preferably, the expiration element includes: expiration valve block and expiration valve deck；
Wherein, the expiration valve block is to expiration valve deck direction one-way conduction.
Preferably, the expiration element further include: expiration component mount and consolidating in the expiration component mount is set
Determine part；
Gas vent is provided in the expiration component mount, the expiration valve block is fixed on described exhale by the fixing piece
In gas component mount；
The outlet valve lid snaps onto the expiration component mount；
Be arranged in the expiration component mount it is fluted, by groove be connected to the mask body expiration element install
Kong Shang.
Preferably, the powered air-purifying element include pedestal and set gradually filter fixing piece on the base and
Filter, wherein being provided with stomata on the pedestal, the filter is fixed on the pedestal by the filter fixing piece
On；
It is arranged fluted on the pedestal, the powered air-purifying element mounting hole of the mask body is connected to by groove
On.
Preferably, the powered air-purifying element further includes fan retaining bracket, press-down type fan and fan shield；
The fan retaining bracket is fixed, and the press-down type fan is mounted on the fan retaining bracket on the base,
The fan shield is arranged above the press-down type fan, and is fixed on the fan retaining bracket.
Preferably, the solar element includes solar chip and button switch；
The outer surface of the mask body is arranged in the solar chip, is electrically connected with the powered air-purifying element；Institute
Button switch is stated for being electrically connected between solar chip and the powered air-purifying element described on or off.
Preferably, the solar element further includes chargeable button cell；
The chargeable button cell is electric with the solar chip, the button switch and the press-down type fan respectively
Connection.
Preferably, the solar chip is thin film solar chip.
Preferably, the mask body material is flexible high molecular material.
Preferably, further includes: the fixing element, for elastic band to be fixed on the mask body.
By a kind of mask provided by the utility model, mask body is flexible macromolecule material, good with facial stickiness,
It does not need nose press strip and can achieve good sealing effect, and is easy to clean, may be reused；Powered air-purifying element is real
Show and actively blown into mask, expiration element exports the air in mask, and wear comfort is promoted；Solar element is realized
Unlimited power supply, to solve the problems, such as that electric mask needs periodic replacement battery.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is this
Some embodiments of utility model, for those of ordinary skill in the art, without creative efforts, also
Other drawings may be obtained according to these drawings without any creative labor.
Fig. 1 is a Respirator structure schematic diagram provided by the embodiment of the utility model；
Fig. 2 a is mask body structure front view provided by the embodiment of the utility model；
Fig. 2 b is mask body structural side view provided by the embodiment of the utility model；
Fig. 3 is solar element structural schematic diagram provided by the embodiment of the utility model；
Fig. 4 is powered air-purifying component structure schematic diagram provided by the embodiment of the utility model；
Fig. 5 is expiration component structure schematic diagram provided by the embodiment of the utility model；
Fig. 6 is schematic diagram of fixed element structure provided by the embodiment of the utility model.
1 it is mask, 2 be mask body, 21 be powered air-purifying element mounting hole, 22 be expiration element mounting hole, 23 is solid
Determine element mounting hole, 3 be solar element, 31 be solar chip, 32 be chargeable button cell, 33 be button switch, 34
It is powered air-purifying element for conducting wire, 4,41 be fan shield, 42 be press-down type fan, 43 be fan retaining bracket, 44 is filtering
Piece, 45 be filter fixing piece, 46 be pedestal, 5 be expiration element, 51 be expiration valve deck, 52 be expiration valve block, 53 be fixed
Part, 54 be expiration component mount, 6 be fixing element, 61 be fixing element connector and 62 be elastic band fixing element.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
In the following detailed description, the specific embodiment for being used to illustrate the application as the application a part may refer to
Each Figure of description.In the accompanying drawings, similar appended drawing reference describes substantially similar component in different drawings.This Shen
Each specific embodiment please has carried out description detailed enough following, so that having the general of ability domain-dependent knowledge and technology
Logical technical staff can implement the technical solution of the application.It should be appreciated that can also be using other embodiments or to the application
Embodiment carry out structure, logic or electrical property change.
As shown in Figure 1, the utility model embodiment provides a kind of mask 1, comprising: mask body 2, solar element 3,
Powered air-purifying element 4 and expiration element 5；
2 material of mask body is flexible high molecular material；It is preferred that silica gel or natural rubber, silica gel and natural rubber not only can
It is bonded well with face, good airproof performance does not need nose press strip and is sealed；And silica gel and natural rubber can use wet rag
Or clear water etc. is cleaned, and is realized the recycling of mask, is greatly reduced application cost.
Solar element 3 is arranged on 2 outer wall of mask body, for being produced electricl energy using luminous energy, to powered air-purifying element 4
Power supply；
Powered air-purifying element 4 is arranged in mask body 2, for actively blowing into mask body 2, and crosses air filtering；
Expiration element 5 is set in mask body 2, for exporting the air in mask body 2；
The mask can also include: fixing element 6, for elastic band to be fixed on mask body 2.
In the utility model embodiment, solar element 3, powered air-purifying element 4 and expiration element 5 can be from mask sheets
It is disassembled on body 2, facilitates the cleaning of mask body 2.
By a kind of mask provided by the utility model, mask body is flexible macromolecule material, good with facial stickiness,
It does not need nose press strip and can achieve good sealing effect, and is easy to clean, may be reused；Powered air-purifying element is real
Show and actively blown into mask, expiration element exports the air in mask, and wear comfort is promoted；Solar element is realized
Unlimited power supply, to solve the problems, such as that electric mask needs periodic replacement battery.
As shown in Figure 2 a and 2 b, mask body 2 provided by the utility model offers powered air-purifying element mounting hole
21, expiration element mounting hole 22 and fixing piece mounting hole 23.There are two powered air-purifying element mounting holes 21, are located at the wing of nose two
Side, for installing powered air-purifying element；Expiration element mounting hole 22 is located near mouth, for installing expiration element；It blew
Filtering element mounting hole 21 and expiration element mounting hole 22, can be arranged one or more according to actual needs；Fixing piece mounting hole 23
There are two groups, every group two, position can be configured according to the needs of ear belt or wear-type.
In the utility model embodiment, solar element includes solar chip and button switch；Solar chip is set
It sets in the outer surface of mask body, is electrically connected with powered air-purifying element；Button switch on or off solar chip with
Electrical connection between the powered air-purifying element.Solar chip can be thin film solar chip, and quality is frivolous, dim light hair
Electrical efficiency is high, solves the problems, such as that traditional electric mask battery short of electricity can not work or frequently replace battery, not only saves
The energy reduces pollution to environment, and can continue to provide respiratory protection.
Solar element further includes chargeable button cell；Specifically, chargeable button cell is chargeable lithium ion knob
Detain battery；Chargeable button cell is electrically connected with solar chip, button switch and press-down type fan respectively, in this way can be at any time
Electric energy is provided to the electric fan in air-supply filter element, so that electric fan is actively blown, accelerates the friendship of mask inner air and outer air
It changes, efficiently solves the problems such as feeling oppressed or have difficulty in breathing caused by long periods of wear mask.
Solar element 3 as shown in Figure 3, including solar chip 31, chargeable button cell 32, button switch 33 and lead
Line 34.Wherein, solar chip 31 is mounted on the outer wall of mask body 2；Chargeable button cell 32 preferably chargeable lithium from
Sub- button cell is connected with solar chip 31 and press-down type fan 42 respectively by conducting wire 34, is used to press-down type fan 42
Electric energy is provided；One end close to press-down type fan 42 is provided with button switch 33, for controlling fan 42.
Powered air-purifying element disclosed by the utility model includes pedestal and the filter fixing piece that is successively set on pedestal
And filter, wherein filter is fixed on the base by filter fixing piece.It is arranged fluted on pedestal, is clamped by groove
On the powered air-purifying element mounting hole of mask body 2.Powered air-purifying element further includes fan retaining bracket, press-down type fan and wind
Fan protecting cover；Press-down type fan retaining bracket is fixed on the base, and press-down type fan is mounted on fan retaining bracket, fan shield setting
Above press-down type fan, and it is fixed on fan retaining bracket.
Specifically, as shown in figure 4, powered air-purifying element 4, can there are two, be separately mounted to the air-supply of wing of nose two sides
In filtering element mounting hole 21, including fan shield 41, press-down type fan 42, fan retaining bracket 43, filter 44, filter are fixed
Part 45 and pedestal 46.Wherein, fan 42 is linked together by conducting wire 34 with solar element 3；The rejection rate of filter 44 is advised
Lattice can be selected according to actual needs, and can periodically be replaced；Some holes are dispersed on pedestal 46, being used to will be extraneous empty
In conductance inlet shroud；Pedestal 46 can be opened easily, and filter fixing piece 45 is unloaded, so that it may disassembly filtering as needed
One or more of piece 44, fan shield 41, press-down type fan 42 or fan retaining bracket 43；It is fluted on pedestal 46, it is stuck in
In the powered air-purifying element mounting hole 21 of mask body, powered air-purifying element 4 is fixed in mask body 2 by realization.Specifically,
The powered air-purifying element 4 of this mask can be opened very easily, can periodically replace to filter, efficiently solve frequently
The problem of replacing mask, reduces replacement cost, has saved resource.In addition, filter 44, rejection rate specification can be according to reality
It is selected, provides selection for consumer, increase experience likability.
Due to the mask body material in the utility model embodiment be flexible macromolecule material, with the facial ability of fitting compared with
It is good, and the fan in powered air-purifying element is press-down type fan, only allows air into, exhaled gas cannot be discharged, because
This improves the comfort for wearing mask, is provided with expiration on mask provided by the utility model for exhaled gas is discharged in time
Element；
Expiration element includes: expiration valve block and expiration valve deck；
Exhaled gas is discharged to expiration valve deck direction one-way conduction for expiration valve block；Make the exhaust gas and steam inside mask
Effective export, increases the comfort of wearing；
Expiration element further include: expiration component mount and the fixing piece being arranged in expiration component mount；
Gas vent is provided in expiration component mount, expiration valve block is fixed in expiration component mount by fixing piece；It exhales
Air valve cap snaps onto expiration component mount.
It is arranged fluted in expiration component mount, is connected on the expiration element mounting hole of mask body 2 by groove.
Specifically, as shown in figure 5, expiration element 5, successively includes expiration valve deck 51, expiration valve block 52, fixes from outside to inside
Part 53 and pedestal 54.Wherein, expiration valve block 52 under the action of the forces of the wind, is only opened to the side of expiration valve deck 51；On pedestal 54
Some holes are dispersed with, for exporting the air in mask；It is fluted on pedestal 54, it is stuck in the expiration element of mask body 2
In mounting hole 22, expiration element 5 is fixed in mask body 2 by realization.
As shown in fig. 6, fixing element 6, including fixing piece connector 61 and elastic band fixing piece 62.
In the utility model embodiment, fixing element is arranged in mask body by fixing element mounting hole.
Elastic band is mounted in mask body by elastic band fixing element, and mask is fixed on mouth and nose position.
By a kind of mask provided by the utility model, mask body is flexible macromolecule material, good with facial stickiness,
It does not need nose press strip and can achieve good sealing effect, and is easy to clean, may be reused；Powered air-purifying element is real
Show and actively blown into mask, expiration element exports the air in mask；Wear comfort is promoted；And solar element is real
Unlimited power supply is showed, to solve the problems, such as that electric mask needs periodic replacement battery.
Above-described embodiment is only for illustration of the utility model, and is not limitations of the present invention, related technology
The those of ordinary skill in field can also make a variety of changes and modification in the case where not departing from the scope of the utility model, because
This, all equivalent technical solutions also should belong to scope disclosed by the utility model.
Claims (10)
1. a kind of mask characterized by comprising mask body, solar element, powered air-purifying element and expiration element；
The solar element is arranged on the mask body outer wall, for being produced electricl energy using luminous energy, blows to described
Filtering element power supply；
The powered air-purifying element is arranged in the mask body, for being sent to the mask body after air filtration；
The expiration element is set in the mask body, for exporting the air in the mask body.
2. mask according to claim 1, which is characterized in that the expiration element includes: expiration valve block and expiration valve deck；
Wherein, the expiration valve block is to expiration valve deck direction one-way conduction.
3. mask according to claim 2, which is characterized in that the expiration element further include: expiration component mount and set
Set the fixing piece in the expiration component mount；
Gas vent is provided in the expiration component mount, the expiration valve block is fixed on the expiration member by the fixing piece
On part pedestal；
The outlet valve lid snaps onto the expiration component mount；
It is arranged fluted in the expiration component mount, the expiration element mounting hole of the mask body is connected to by groove
On.
4. mask according to claim 1, which is characterized in that the powered air-purifying element includes pedestal and is successively set on
Filter fixing piece and filter on the pedestal, wherein being provided with stomata on the pedestal, the filter passes through described
Filter fixing piece is fixed on the base；
It is arranged fluted on the pedestal, is connected on the powered air-purifying element mounting hole of the mask body by groove.
5. mask according to claim 4, which is characterized in that the powered air-purifying element further include fan retaining bracket, under
Pressure type fan and fan shield；
The fan retaining bracket is fixed on the base, and the press-down type fan is mounted on the fan retaining bracket, described
Fan shield is arranged above the press-down type fan, and is fixed on the fan retaining bracket.
6. mask according to claim 5, which is characterized in that the solar element includes that solar chip and button are opened
It closes；
The outer surface of the mask body is arranged in the solar chip, is electrically connected with the powered air-purifying element；It is described to press
Button switch is for being electrically connected between solar chip and the powered air-purifying element described on or off.
7. mask according to claim 6, which is characterized in that the solar element further includes chargeable button cell；
The chargeable button cell is electrically connected with the solar chip, the button switch and the press-down type fan respectively
It connects.
8. mask according to claim 7, which is characterized in that the solar chip is thin film solar chip.
9. mask according to claim 1, which is characterized in that the mask body material is flexible high molecular material.
10. described in any item masks according to claim 1~9, which is characterized in that the mask further include: being used for will be elastic
Band is fixed on the fixing element in the mask body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821278259.2U CN209436292U (en) | 2018-08-09 | 2018-08-09 | A kind of mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821278259.2U CN209436292U (en) | 2018-08-09 | 2018-08-09 | A kind of mask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209436292U true CN209436292U (en) | 2019-09-27 |
Family
ID=68008474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821278259.2U Expired - Fee Related CN209436292U (en) | 2018-08-09 | 2018-08-09 | A kind of mask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209436292U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115968313A (en) * | 2020-03-27 | 2023-04-14 | 欧特玛有限责任公司 | Personal protection and isolation device for protecting against contaminants and microorganisms and filter group for protection and isolation device |
-
2018
- 2018-08-09 CN CN201821278259.2U patent/CN209436292U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115968313A (en) * | 2020-03-27 | 2023-04-14 | 欧特玛有限责任公司 | Personal protection and isolation device for protecting against contaminants and microorganisms and filter group for protection and isolation device |
| CN115968313B (en) * | 2020-03-27 | 2024-10-15 | 欧特玛有限责任公司 | Personal protection and isolation device for preventing contaminants and microorganisms and filter group for protection and isolation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210122 Address after: 101400 No.31 Yanqi street, Yanqi Economic Development Zone, Huairou District, Beijing (cluster registration) Patentee after: Beijing Huihong Technology Co.,Ltd. Address before: Room 107, building 2, Olympic Village street, Chaoyang District, Beijing Patentee before: HANERGY MOBILE ENERGY HOLDING GROUP Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211012 Address after: 101400 Yanqi Street, Yanqi Economic Development Zone, Huairou District, Beijing Patentee after: Dongjun new energy Co.,Ltd. Address before: 101400 No.31 Yanqi street, Yanqi Economic Development Zone, Huairou District, Beijing (cluster registration) Patentee before: Beijing Huihong Technology Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190927 |
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| CF01 | Termination of patent right due to non-payment of annual fee |