CN207515145U - A kind of novel natural ventilation purifier - Google Patents
A kind of novel natural ventilation purifier Download PDFInfo
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- CN207515145U CN207515145U CN201721394377.5U CN201721394377U CN207515145U CN 207515145 U CN207515145 U CN 207515145U CN 201721394377 U CN201721394377 U CN 201721394377U CN 207515145 U CN207515145 U CN 207515145U
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- housing
- lithium electricity
- natural ventilation
- dust collection
- novel natural
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Abstract
The utility model discloses a kind of novel natural ventilation purifiers, including solar panel (1) and hollow housing (6), lithium electricity battery (2), boost module (3) and dust collection module (10) are placed in the housing (6)；The solar panel (1) is mutually conductively connected by conducting wire with lithium electricity battery (2), boost module (3) and dust collection module (10) successively.A kind of novel natural ventilation purifier disclosed in the utility model, it effectively can carry out purified treatment to outdoor to the fresh air that interior is passed through, purification efficiency is high, it can ensure indoor air quality, and then ensure the health of people, be conducive to widely production application, be of great practical significance.
Description
Technical field
The utility model is related to technical field of air purification, more particularly to a kind of novel natural ventilation purifier.
Background technology
At present, indoor air quality directly affects the health of people and comfort impression.The quality of room air, mainly takes
Certainly in the content of indoor pollutant.The source of indoor pollutant and type increase increasingly, with the increase of building tightness,
So that indoor pollutant is not easy to spread, the touch opportunity of indoor crowd and pollutant is increased, the health of people is generated
Serious influence.
If for this purpose, being passed through outdoor fresh air (i.e. new air) to interior, indoor air product can be effectively improved
Matter.However, the house for being in the midtown, density of population and site coverage geodetic point, since vehicle exhaust, industry are dirty
The influence of many factors such as dye, waste incineration and road surface airborne dust so that the quality of fresh air being passed through from outdoor is remarkably decreased, when
When pollutant concentration in outdoor air is more than indoor Con trolling index, in such a case, if being also introduced directly into outdoor
Fresh air cannot not only play the role of diluting indoor pollutant, purification outdoor air quality, can also further deteriorate indoor sky
Gas quality further influences the health of people.Therefore, it before outdoor fresh air being passed through interior at present, carries out in time
Purified treatment is necessary.
But current existing indoor ventilator unit, effectively outdoor can not be purified to the fresh air that interior is passed through
Processing, purification efficiency is low, can not ensure indoor air quality, and then can not ensure the health of people.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of novel natural ventilation purifier, can be effectively
Purified treatment is carried out to the fresh air that interior is passed through to outdoor, purification efficiency is high, can ensure indoor air quality, and then ensure
The health of people is conducive to widely production application, is of great practical significance.
For this purpose, the utility model provides a kind of novel natural ventilation purifier, including solar panel and hollow
Housing, be placed with lithium electricity battery, boost module and dust collection module in the housing；
The solar panel is mutually conductively connected by conducting wire with lithium electricity battery, boost module and dust collection module successively.
Wherein, the solar panel for absorbing solar radiant energy, is converted to export after electric energy and be deposited to lithium electricity battery
Storage；
Lithium electricity battery for storing the electric energy that the solar panel transmits, and is exported to the boost module
The DC voltage of default the first voltage value；
Boost module, the voltage value of the DC voltage for the lithium electricity battery to be exported boost from default the first voltage value
To default second voltage value, it is then output to dust collection module use.
Wherein, the housing is using housing made of aluminum alloy materials.
Wherein, there are one the partition support plate of cross direction profiles, the partition support plates for the top fixed setting of the housing
Positioned at the surface of the dust collection module；
The top left and right ends of the partition support plate are fixedly installed the lithium electricity battery and a control circuit respectively
Plate, the control circuit board are mutually conductively connected by conducting wire with the lithium electricity battery and solar panel respectively, the partition
The boost module is further fixedly arranged at the top of support plate, the boost module is located at the lithium electricity battery and control circuit board
Between position.
Wherein, the power supply output negative pole of the boost module is also connected with a spray point, and the spray point fixes peace
Mounted in the partition support plate left end bottom surface；
The spray point is used for by external atmospherical discharges, applying high voltage electric field so that the particle charge in air；
Accordingly, the dust collection module includes the multiple micro- electrostatic dust collecting plates for being horizontally arranged at interval and being mutually parallel, described
Multiple micro- electrostatic precipitation plate earthings, micro- electrostatic dust collecting plate are used to adsorb the charged particle in the air.
Wherein, the dust collection module is module that is detachable, recycling.Wherein, the bottom left of the dust collection module
It sets there are one buckle pillar, the buckle pillar is fixed in the bottom inside face of the housing；
The right side wall of the buckle pillar is buckled there are one being fixedly connected, the bottom phase of the buckle and the dust collection module
Clamping.
Wherein, the buckle is in the surface of the housing bottom medial surface, the buckle and the housing bottom
Multiple spiral springs are provided between side.
Wherein, the left side wall opening of the housing is equipped with air inlet movable shutters, and the spray point is located at the air inlet and lives
Dynamic position between blinds and the dust collection module；
Interval is provided with multiple outlet air rectification mouths on the right side wall of the housing, and the dust collection module is located at air inlet activity
Position between blinds and outlet air rectification mouth.
Wherein, it is described air inlet movable shutters be inclined blinds, it is described air inlet movable shutters include it is multiple be mutually parallel and
Spaced blade, the multiple blade are mutually connected, and the right end of each blade is higher than left end；
There are one display screen, the display screen is mutually conductively connected with lithium electricity battery for the right side wall upper end installation of the housing.
By above technical solution provided by the utility model as it can be seen that compared with prior art, the utility model provides
A kind of novel natural ventilation purifier effectively can carry out purified treatment, purification to outdoor to the fresh air that interior is passed through
It is efficient, it can ensure indoor air quality, and then ensure the health of people, be conducive to widely production application, have
There is great production practices meaning.
Description of the drawings
Fig. 1 is a kind of structure schematic diagram of novel natural ventilation purifier provided by the utility model；
Fig. 2 is a kind of a kind of installation condition schematic diagram of novel natural ventilation purifier provided by the utility model；
Fig. 3 is a kind of a kind of circuit connection knot of embodiment of novel natural ventilation purifier provided by the utility model
Structure block diagram；
In figure, 1 is solar panel, and 2 be lithium electricity battery, and 3 be boost module, and 4 be partition support plate, and 5 is electric in order to control
Road plate, 6 be housing；
7 be display screen, and 8 be electrode, and 9 be outlet air rectification mouth, and 10 be dust collection module, and 11 be buckle, and 12 be spring, 13 be into
Wind movable shutters, 14 be spray point, and 15 be exterior wall, and 16 be window；
100 be micro- electrostatic dust collecting plate, and 110 be buckle pillar.
Specific embodiment
In order to which those skilled in the art is made to more fully understand the utility model, below in conjunction with the accompanying drawings and embodiment
The utility model is described in further detail.
Referring to Fig. 1, Fig. 2 and Fig. 3, the utility model provides a kind of novel natural ventilation purifier, including solar energy
Solar panel 1 and hollow housing 6 are placed with lithium electricity battery 2, boost module 3 and dust collection module 10 in the housing 6；
The solar panel 1 by conducting wire (i.e. electric wire) successively with lithium electricity battery 2, boost module 3 and dust collection module
10 phases are conductively connected.
In the utility model, the solar panel 1 for absorbing solar radiant energy, exports after being converted to electric energy
It is stored to lithium electricity battery 2；
Lithium electricity battery 2, is connected respectively with solar panel 1 and boost module 3, for storing the solar cell
The electric energy that plate 1 transmits, and the DC voltage for presetting the first voltage value (such as 12V) is exported to the boost module 3；
Boost module 3 is connected with dust collection module 10, for the voltage of DC voltage for exporting the lithium electricity battery 2
Value boosts to default second voltage value (being, for example, 8000V) from default the first voltage value (such as 12V), is then output to dust mould
Block 10 uses.
In the utility model, in specific implementation, it should be noted that the solar panel (Solar panel)
It is by absorbing sunlight, solar radiant energy is converted directly or indirectly into electric energy by photoelectric effect or photochemical effect
Device can be any one existing solar panel.
It should also be noted that, the numerical value of the default the first voltage value can be configured according to the needs of user, only
Need accordingly to adjust the lithium electricity battery of different output voltage values.The numerical value of the default second voltage value can also according to
The needs at family are configured, and need to only select the boost module of dimension.
In the utility model, in specific implementation, the lithium electricity battery 2 preferably uses lithium electricity electricity of the output voltage for 12V
Pond.
In the utility model, in specific implementation, the boost module 3 can be it is existing any one can be by the lithium
The module that the DC voltage that battery 2 exports boosts, such as can be the boosting of Shandong Xue Sheng Electrical Appliances Co., Ltd production
Module, concrete model can be HVB-XS-03, and nominal input voltage 12V, rated input power is less than 3W.
In the utility model, in specific implementation, the dust collection module 10 is preferably micro- electrostatic high-efficiency dust collecting module, can be with
In air more than 95% PM 2.5 (fine particle) is filtered out, the life of Shandong Xue Sheng electric appliances Science and Technology Ltd. specifically may be used
Micro- electrostatic high-efficiency dust collecting module of production, size, can also generally using 500 millimeters long, 100 millimeters high, 50 millimeters thick module
It is specifically customized according to the size of different windows.
It should be noted that the dust collection module 10 is module that is detachable, recycling, can disassemble, clearly
After washing dust above, use is continued cycling through, therefore, purifier described in the utility model is no material consumption, can be followed always
The dust collection module that ring uses.
In the utility model, in specific implementation, the housing 6 is preferably using housing, energy made of aluminum alloy materials
Enough effectively reduce the harm for distributing polluted gas.
Referring to Fig. 1, in the utility model, the partition branch for cross direction profiles that there are one the top fixed settings of the housing 6
Fagging 4, the partition support plate 4 are located at the surface of the dust collection module 10；
The top left and right ends of the partition support plate 4 are fixedly installed the lithium electricity battery 2 and a control electricity respectively
Road plate 5, the control circuit board 5 are conductively connected (tool by conducting wire with the lithium electricity battery 2 and 1 phase of solar panel respectively
Body is the control circuit board 5 in the connecting wire between the lithium electricity battery 2 and solar panel 1), the partition
The top of support plate 4 is further fixedly arranged on the boost module 3, and the boost module 3 is located at the lithium electricity battery 2 and control electricity
Position between road plate 5.
It should be noted that the control circuit board 5 is used to control the electricity of the lithium electricity battery 2, when lithium electricity battery 2
When electricity is reduced to the 30% of specified electric quantity, control electricity plate 5 starts that solar panel 1 is controlled to charge to lithium electricity battery 2,
When being upgraded to the 80% of its specified electric quantity after the electricity of lithium electricity battery 2 is electrically charged, control solar panel 1 stops continuing
It charges to lithium electricity battery 2.
In specific implementation, together referring to Fig. 3, include microcontroller, relay and battery capacity in the control circuit board 5
Meter, wherein, voltameter is connected respectively with lithium electricity battery 2 and microcontroller, is used to indicate surplus in chargeable lithium electricity battery 2
Remaining electricity and in certain operating conditions lithium electricity battery 2 can also continued power time, then by the electricity of lithium electricity battery 2 believe
Breath feeds back to microcontroller, then retransmits instruction to relay by microcontroller, the relay is controlled by microcontroller, to control too
Positive energy solar panel 1 is charged or is controlled lithium electricity battery 2 to yearn for output electric energy to lithium electricity battery 2, is discharged.
In the utility model, in specific implementation, 10 top tool of the dust collection module there are two electrode 8 (including anode and
Cathode), described two electrodes 8 are conductively connected by conducting wire and 3 phase of boost module.
In the utility model, in specific implementation, the centre position of the partition support plate 4 is vertically opened there are one through-hole,
Conducting wire between described two electrodes 8 and the boost module 3 passes through the through-hole.
Referring to Fig. 1, in the utility model, the power supply output negative pole of the boost module 3 also with 14 phase of spray point
It connects (passing through conducting wire), the spray point 14 is fixedly mounted on 4 left end bottom surface of the partition support plate；
The spray point 14 is used for by external atmospherical discharges, applying high voltage electric field so that the particle band in air
Electricity；
Accordingly, shown in Figure 1, the dust collection module 10 includes being horizontally arranged at interval and being mutually parallel multiple micro- quiet
Electric precipitation plate 100, the multiple micro- electrostatic dust collecting plate 100 are grounded simultaneously and (pass through conducting wire), and micro- electrostatic dust collecting plate 100 is used for
The charged particle (being acted on by electrostatic induction) in the air is adsorbed, so as to fulfill good dust removing effects.
It should be noted that the connecting wire between the spray point 14 and the power supply output negative pole of the boost module 3
Pass through the through-hole in 4 centre position of the partition support plate.
In specific implementation, the spacing between the micro- electrostatic dust collecting plate 100 of arbitrary neighborhood two is preferably two millimeters.
In specific implementation, micro- electrostatic dust collecting plate 100 can be the metallic plate of any one conductive energy.
It should be noted that for the utility model, the operation principle for carrying out electrostatic precipitation is：Contain dust particles
Air, in the cathode line (also known as corona discharge electrode, such as spray point 14, as discharge electrode) for being connected to high-voltage DC power supply and the sun being grounded
The high voltage electric field formed between pole plate (such as micro- electrostatic dust collecting plate 100, as collecting electrode) by when, due to cathode line occur
Corona discharge, gas are ionized, at this point, electronegative gas ion, under the action of electric field force, moves to anode plate, are being transported
Collide in dynamic with dust particles, then make grit lotus with negative electricity, it is charged after grit under the action of electric field force, also transported to anode
It is dynamic, after reaching anode, release the electronics of institute's band, grit is then deposited on anode plate, realizes dust, dust removing effects, then will
Gas to purification is discharged except gravity-flow ventilation purifier provided by the utility model.
In the utility model, referring to Fig. 1, in specific implementation, there are one the bottom left settings of the dust collection module 10
Be buckled pillar 110, and the buckle pillar 110 is fixed in the bottom inside face of the housing 6；
It is described buckle pillar 110 right side wall be fixedly connected there are one buckle 11, it is described buckle 11 with the dust collection module
10 bottom is mutually clamped, and positioning is fixedly secured to the dust collection module 10 so as to realize, meanwhile, by dismantling the buckle
11, the dust collection module 10 can also be taken out, then further by the filtering material having in the dust collection module 10 (such as
Filter sponge) it takes out, then it is replaced and cleaned.
In specific implementation, it is described buckle 11 be located at 6 bottom inside face of housing surface, it is described buckle 11 with it is described
Multiple spiral springs 12 are provided between 6 bottom inside face of housing, by the cushioning effect of spring 12, can be effectively improved
The anti-seismic performance of the dust collection module 10 avoids the dust collection module 10 from larger positional fluctuation and vibrations damage occur.
In the utility model, referring to Fig. 1, in specific implementation, the left side wall opening of the housing 6 is equipped with air inlet activity
Blinds 13, the spray point 14 are located at the position between the air inlet movable shutters 1 and the dust collection module 10；
Interval is provided with multiple outlet air rectification mouths 9 on the right side wall of the housing 6, and the dust collection module 10 is located at the air inlet
Position between movable shutters 13 and outlet air rectification mouth 9.
In specific implementation, the air inlet movable shutters 13 are inclined blinds, and the air inlet movable shutters 13 include multiple
It is mutually parallel and spaced blade, the multiple blade is mutually connected, the right end of each blade is higher than left end.
It should be noted that by the air inlet movable shutters 13, can adjust it is external flow to inside the housing 6 into
Air volume, when enter the wind movable shutters 13 close after, then by air quantity be zero.
In the utility model, referring to Fig. 1, in specific implementation, there are one show for the right side wall upper end installation of the housing 6
Screen 7, the display screen 7 is conductively connected respectively with lithium electricity battery 2 and 5 phase of control circuit board, for lithium electricity electricity described in real-time display
The electricity in pond 2, by the charged state of solar panel 1 and the state being powered to dust collection module 10.
It should be noted that in specific implementation, the display screen 7 is LED display, can will be in control circuit board 5
The electricity real-time display of the lithium electricity battery 2 of voltameter feedback on a display screen, for example, the electricity of voltameter is 30%, is then shown
The position for shielding 7 corresponding battery capacities is shown as 30, if electricity is 80%, then shows 80,100 are then shown when fully charged.
In order to show the state being powered to dust collection module in the display screen 7, specially：The control circuit board 5
On microcontroller, be conductively connected with 7 phase of display screen it is clean, for pass through will be used for control charging and power supply relay switch shape
State, Real-time Feedback give display screen 7 corresponding indicator light, to allow the display screen 7 that can show what is be powered to dust collection module
State.When lithium electricity battery 2 is in charged state, then corresponding red charging indicator light dodges；When lithium electricity battery 2 is in power supply
During state, then corresponding green indicator light is bright.
Together referring to Fig. 1, Fig. 2, for novel natural ventilation purifier provided by the utility model, in concrete practice
On, housing 6 is mounted in the window 16 for needing the user house for carrying out natural air purification, and the window 16 is mounted on user
In the exterior wall 15 in house, the solar panel 1 is located at 15 outside of exterior wall in user house, and the solar panel 1 is logical
Conducting wire (i.e. electric wire) is crossed to be conductively connected with 2 phase of lithium electricity battery in the housing 6.Therefore, user can be advantageously mounted at
House in, facilitate the routine use of user.
Therefore, based on above technical scheme it is found that novel natural ventilation purifier provided by the utility model, with the sun
Can be driving force, environmentally protective, without consuming other energy, used micro- efficient dust collection module 10 of electrostatic can filter out
More than 95% PM2.5 (fine particle) in air makes the fresh air airflow cleans being passed through in user house, stabilization, controllable, guarantee
The indoor air quality of user is not influenced by external environmental.
Furthermore, it is necessary to explanation, for novel natural ventilation purifier provided by the utility model, with following
Feature：
1st, whole device is a kind of natural ventilation equipment without power；
2nd, using the efficient dust collection module of micro- electrostatic, resistance is low, can provide effective ventilating path, while efficiently filter
Particulate in air.
3rd, it is powered using spray point 14 and dust collection module 10 of the lithium electricity battery 2 of 12V to micro- electrostatic, solar cell
Plate 1 is then responsible for charging to the lithium electricity battery 2 of 12V, is a kind of ventilated purification apparatus of zero energy consumption without additional energy consumption；
4th, the exchange of indoor and outdoor heat is preferably reduced using thermal insulation material, reduces indoor cooling and heating load；
5th, housing uses aluminum alloy materials, effectively reduces distributing for pollution gas, safe.
6th, used air inlet movable shutters are adjustable air-port, can not use period in the device of the utility model,
Air inlet movable shutters are closed, so as to close the air inlet in user house, prevent dust and winged insect etc. from getting in；
7th, inclined air inlet movable shutters are employed, can effectively avoid the infiltration of outdoor rain.
In conclusion compared with prior art, a kind of novel natural ventilation purifier provided by the utility model,
Can purified treatment effectively be carried out to the fresh air that interior is passed through to outdoor, purification efficiency is high, can ensure indoor air product
Matter, and then ensure the health of people, be conducive to widely production application, be of great practical significance.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, under the premise of the utility model principle is not departed from, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (10)
1. a kind of novel natural ventilation purifier, which is characterized in that including solar panel (1) and hollow housing (6),
Lithium electricity battery (2), boost module (3) and dust collection module (10) are placed in the housing (6)；
The solar panel (1) by conducting wire successively with lithium electricity battery (2), boost module (3) and dust collection module (10) phase
It is conductively connected.
2. novel natural ventilation purifier as described in claim 1, which is characterized in that the solar panel (1) is used
In absorbing solar radiant energy, be converted to export after electric energy and give lithium electricity battery (2) storage；
Lithium electricity battery (2), for storing the electric energy that the solar panel (1) transmits, and to the boost module (3)
The DC voltage of the default the first voltage value of output；
Boost module (3), for the voltage value of DC voltage that exports the lithium electricity battery (2) from default the first voltage value liter
Default second voltage value is depressed into, is then output to dust collection module (10) use.
3. novel natural ventilation purifier as described in claim 1, which is characterized in that the housing (6) is closes using aluminium
Housing made of golden material.
4. novel natural ventilation purifier as described in claim 1, which is characterized in that the top of the housing (6) is fixed
Setting there are one cross direction profiles partition support plate (4), it is described partition support plate (4) positioned at the dust collection module (10) just on
Side；
The top left and right ends of the partition support plate (4) are fixedly installed the lithium electricity battery (2) and a control electricity respectively
Road plate (5), the control circuit board (5) are mutually conductive with the lithium electricity battery (2) and solar panel (1) respectively by conducting wire
It connects, is further fixedly arranged on the boost module (3) at the top of the partition support plate (4), the boost module (3) is positioned at institute
State the position between lithium electricity battery (2) and control circuit board (5).
5. novel natural ventilation purifier as claimed in claim 4, which is characterized in that the power supply of the boost module (3)
Output negative pole is also connected with a spray point (14), and it is left that the spray point (14) is fixedly mounted on the partition support plate (4)
Hold bottom surface；
The spray point (14) is for by external atmospherical discharges, applying high voltage electric field so that the particle charge in air；
Accordingly, the dust collection module (10) includes multiple micro- electrostatic dust collecting plates (100) for being horizontally arranged at interval and being mutually parallel,
The multiple micro- electrostatic dust collecting plate (100) ground connection, micro- electrostatic dust collecting plate (100) is for adsorbing the electrification in the air
Grain.
6. the novel natural ventilation purifier as described in any one of claim 1 to 5, which is characterized in that the dust mould
Block (10) is module that is detachable, recycling.
7. the novel natural ventilation purifier as described in any one of claim 1 to 5, which is characterized in that the dust mould
The bottom left of block (10) is set there are one buckle pillar (110), and the buckle pillar (110) to be fixed on the housing (6)
In bottom inside face；
The right side wall of the buckle pillar (110) is buckled (11) there are one being fixedly connected, the buckle (11) and the dust mould
The bottom of block (10) is mutually clamped.
8. novel natural ventilation purifier as claimed in claim 7, which is characterized in that the buckle (11) is positioned at the shell
The surface of body (6) bottom inside face, it is described buckle (11) and the housing (6) bottom inside face between be provided with multiple spirals
The spring (12) of shape.
9. novel natural ventilation purifier as claimed in claim 5, which is characterized in that the left side wall of the housing (6) is opened
Mouth is equipped with air inlet movable shutters (13), and the spray point (14) is positioned at the air inlet movable shutters (1) and the dust collection module
(10) position between；
Interval is provided with multiple outlet air rectification mouths (9) on the right side wall of the housing (6), the dust collection module (10) positioned at it is described into
Position between wind movable shutters (13) and outlet air rectification mouth (9).
10. novel natural ventilation purifier as claimed in claim 9, which is characterized in that the air inlet movable shutters (13)
For inclined blinds, the air inlet movable shutters (13) are mutually parallel and spaced blade including multiple, the multiple leaf
Piece is mutually connected, and the right end of each blade is higher than left end；
There are one display screen (7), the display screen (7) is mutually led with lithium electricity battery (2) for the right side wall upper end installation of the housing (6)
Electrical connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721394377.5U CN207515145U (en) | 2017-10-26 | 2017-10-26 | A kind of novel natural ventilation purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721394377.5U CN207515145U (en) | 2017-10-26 | 2017-10-26 | A kind of novel natural ventilation purifier |
Publications (1)
| Publication Number | Publication Date |
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| CN207515145U true CN207515145U (en) | 2018-06-19 |
Family
ID=62536399
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721394377.5U Expired - Fee Related CN207515145U (en) | 2017-10-26 | 2017-10-26 | A kind of novel natural ventilation purifier |
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| Country | Link |
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| CN (1) | CN207515145U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107606735A (en) * | 2017-10-26 | 2018-01-19 | 天津商业大学 | A kind of novel natural ventilation purifier |
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2017
- 2017-10-26 CN CN201721394377.5U patent/CN207515145U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107606735A (en) * | 2017-10-26 | 2018-01-19 | 天津商业大学 | A kind of novel natural ventilation purifier |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180619 Termination date: 20181026 |
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| CF01 | Termination of patent right due to non-payment of annual fee |