CN206831722U - Sunk type return air inlet air purifier - Google Patents
Sunk type return air inlet air purifier Download PDFInfo
- Publication number
- CN206831722U CN206831722U CN201720625948.5U CN201720625948U CN206831722U CN 206831722 U CN206831722 U CN 206831722U CN 201720625948 U CN201720625948 U CN 201720625948U CN 206831722 U CN206831722 U CN 206831722U
- Authority
- CN
- China
- Prior art keywords
- air
- filter
- sunk type
- air inlet
- type return
- 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.)
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Classifications
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The utility model discloses a kind of sunk type return air inlet air purifier, and it includes outer container and interior case, and some PUSH PUSH structures being arranged between outer container and interior case；Each PUSH PUSH structures include the connection lock being arranged in outer container, and the connecting rod for being arranged on interior case and matching with being connected lock；The bottom of interior case is provided with grid panel, roughing efficiency air filter, medium effeciency filter, anion is disposed with grid panel case, high efficiency particulate air filter and physical absorption device occurs.The utility model can effectively filter out PM2.5 and formaldehyde, carbon monoxide, sulfur dioxide, hydrocarbon in room environment etc., improve the purification efficiency of room air, and the utility model is simple in construction, installing/dismounting is easy to operate, convenience in transport, saves using space and reduces later stage working service cost.
Description
Technical field
It the utility model is related to central air conditioner system field, and in particular to a kind of sunk type return air inlet air purifier.
Background technology
At present, central air conditioning fan coil unit unit return air is generally using one layer of nylon filter net filtration of installation, nylon filter
Net can only filter more than 10um part dust and hair.Air-conditioning is in refrigeration or heating process, the substantial amounts of dust in room
Particle, bacterium etc. are accumulated on fan coiled heat-exchanger, are polluted space air quality and are influenceed air-conditioning using effect.Especially in the summer
During its refrigeration, fan coiled heat-exchanger is chronically under high- humility state, and it is next that heat exchanger and drip tray have become bacterium procreation
The hotbed in generation, bacterium are sent into room air-borne transmission by air channel, invade skin, respiratory system of people etc., have a strong impact on human body
Health.In recent years, because ambient air quality is increasingly severe, occur using increasing low efficient filter in return air inlet, middle imitated
The schemes such as filter, high-pressure electrostatic precipitation and nano-photon dedusting.Now at present due to building structure, indoor spatial altitude
Universal not high, this is contradicted for the environment space lived and worked high requirement of trying one's best with people, so decorations process
In all seeking bigger higher environment space by every means.Existing return air inlet structure is increased due to the structural factor of itself
Filter is only capable of being arranged on return air inlet top, either increase a kind of filter or a variety of filters can all cause " return air inlet+
The dimensional height of filter " greatly increases.Substantial amounts of environment space can be thus tied up, causes the height that furred ceiling is reduced during finishing
Degree, influences indoor decorating effect；Either spatial altitude not enough leads to not install in furred ceiling, can then cause to installation
The dismounting and reconstruction of whole furred ceiling, cause greatly to waste and lose, lose more than gain；The low efficient filter of standard, middle effect simultaneously
For filter because the windage of itself is larger, filter efficiency is poor, little for the improvement result of room air, while after installation again
The service efficiency of air-conditioning can be reduced, causes energy consumption to increase.Using high-pressure electrostatic, nano-photon work when not only to produce ozone and
Harmful light source causes indoor secondary to pollute, and filter effect extreme difference, and there is also substantial amounts of environment space is tied up, causes to fit up
When reduce furred ceiling height, influence indoor decorating effect.Occupy above reason, central air-conditioning return air inlet purification of air problem
Basic stagnation for many years, so seeking a kind of air purifier gesture that can evade or reduce above-mentioned unfavorable factor must
OK.
In today that economy continues to develop, environmental air pollution is also increasingly severe, causes air quality straight line to decline, right
Human health causes serious threat.To provide good work, a living environment, a newborn household appliances " air
Clarifier " enters our huge numbers of families.General air purifier it is thousands of in addition it is up to ten thousand do not say, because of conventional air cleaners wind
Measure small, air blow and return is closer to the distance, and filtering radius is smaller, can only meet there is one in the range of one, two meter of air purifier radius substantially
Fixed effect, room integral filter effect are poor.Many users are caused to turn into room substantially after buying air purifier
One ornament, the due effect of purification of air can not be played.Traditional air purifier volume is larger, is independent placement again
Indoors, substantial amounts of inhabitation and living space, but also obstruction normal live and work not only uncoordinated for indoor environment are tied up；Pass
The air purifier of system is autonomous device, needs high-power blower to provide power during operation, high-power blower can produce when running
It is difficult to the noise received, secondary pollution is caused to live and work environment.So seek one kind can evade or reduce it is above-mentioned not
The air purifier of sharp factor is imperative.
Utility model content
For above-mentioned deficiency of the prior art, sunk type return air inlet air purifier provided by the utility model solves
The problem of existing indoor air cleaner air purification efficiency is low.
In order to reach foregoing invention purpose, the technical solution adopted in the utility model is：
A kind of sunk type return air inlet air purifier is provided, it includes outer container and interior case, and is arranged on outer container and interior case
Between some PUSH-PUSH structures；Each PUSH-PUSH structures include the connection lock being arranged in outer container, and set
The connecting rod to match on interior case and with being connected lock；The bottom of interior case is provided with grid panel, is set gradually on grid panel
There are roughing efficiency air filter, medium effeciency filter, anion that case, high efficiency particulate air filter and physical absorption device occurs；
Be provided with air quality acquisition module between grid panel and roughing efficiency air filter, the connection of air quality acquisition module with
The input for the control module that central air-conditioning processor is connected, control module are also associated with touch-screen, alarm and WiFi moulds
Block.
The beneficial effects of the utility model are：
1st, installed using ceiling mounting type, the arcuate structure protruded using bottom, inside is connected using a kind of PUSH-PUSH mechanisms
Connect, installed using original return air inlet position, facilitate dismounting and change to install, while reduce the waste of the interior space；This reality
With it is new can by corresponding contamination data gather and real-time display on the touchscreen, the utility model can also pass through WiFi module
Internet is accessed, WiFi module can be connected with user's LAN, and user can pass through internet terminal equipment real-time query and setting
Running status, while user can carry out remote control.
2nd, there is multiple physical filtering+adsorption function, dispel other poisonous and harmful gaseous states such as formaldehyde and TVOC in air
Harmful substance, effectively filter out other poisonous and harmful solid-state nuisances such as PM2.5, pollen, anaphylactogen, virus and bacterium in air
Matter.
The air circulation provided when the 3rd, using central air conditioning fan coil unit unit operation, it is net to reach Wind Volume, Quick air
The purpose of change.
4th, the purpose that the power that fan coil units provide reaches air circulation purification is fully utilized, sunk type return air inlet is empty
Overall drag is very low in the process of running for gas purifier, on operation of air conditioner without influence.
5th, the air after purifying is blown at a distance using fan coil, a wide range of fast purification of space air.
6th, noiseless operation, noise pollution will not be produced to environment, while the operation of fan coil units can be played
Certain Noise Reduction.
7th, run while to fan coil units provide cleaning protection, to enter fan coil units heat exchanger, air channel,
The component airs such as wind wheel are filtered, and are improved the cleannes of fan coil units, are improved operational efficiency, reduce fan unit
The cleaning of pipe unit, the service life for extending unit, reduce the operating cost of fan coil.
Further, air quality acquisition module includes PM2.5 monitorings sensor, oxygen concentration detection sensor, PM10
Monitor sensor, Formaldehyde sensor and TVOC monitoring sensors.
It is using the above-mentioned further beneficial effect of scheme：Air quality acquisition module is enabled to gather common pollution
Data so that user understands to air quality within doors.
Further, ozone monitoring sensor is additionally provided between medium effeciency filter and high efficiency particulate air filter, ozone monitoring passes
The output end of case link control module occurs for the input of sensor link control module, anion.
It is using the above-mentioned further beneficial effect of scheme：User is allowd to monitor ozone concentration, central processing unit
Control anion that the work efficiency of case occurs in real time according to the measured value of ozone monitoring sensor, avoid the too high disadvantage brought of ozone concentration
End.
Further, the air intake on roughing efficiency air filter, medium effeciency filter and high efficiency particulate air filter and outlet air surface are correspondingly arranged
There are some air pressure probes, each air pressure probe is all connected with the input of control module.
It is using the above-mentioned further beneficial effect of scheme：The pressure by air of the present utility model can be monitored at any time
Power, when pressure is less than setting value, alarm work reminds user to change or cleans filter, while the presentation of information is existed
On touch-screen.
Further, roughing efficiency air filter includes the first housing and is arranged on the filtering material of the first outer inframe, the first housing
Material be aluminium alloy or steel wire metal, filtering material includes nylon wire and/or non-woven fabrics.
It is using the above-mentioned further beneficial effect of scheme：Filtering material and the assembling of the first housing are integral, in structure more
Add firm, facilitate roughing efficiency air filter to be installed on the cleaning replacement in cabinet and during use.
Further, medium effeciency filter includes the second housing, and V-type is folded in the non-woven fabrics and fiber of the second outer inframe
Cloth, the material of the second housing is aluminium alloy.
It is using the above-mentioned further beneficial effect of scheme：V-type folds and increases filter area, when reducing air and passing through
Windage, improve the service life of medium effeciency filter.
Further, case, which occurs, for anion includes anion generator, emitting head and modular casing, and is arranged on mould
Ozone monitoring sensor on block formula casing；Anion generator is placed in casing and connects emitting head, and emitting head is into geometry battle array
Row pattern is in one line on casing；The input of ozone monitoring sensor link control module, anion generator connection control
The output end of molding block；The material of casing is metal, and the inner surface setting of casing has insulating barrier.
It is using the above-mentioned further beneficial effect of scheme：The transfer efficiency of anion is effectively improved, anion is improved and removes
Dirt effect, while the concentration of ozone is monitored, once exceeding setting value, control module automatically controls the power of anion generator.
Further, high efficiency particulate air filter includes the 3rd housing, and is folded in the nano combined filter material of the 3rd outer inframe, the
The material of three housings is aluminium alloy.
It is using the above-mentioned further beneficial effect of scheme：Nano combined filter material, which is folded with, increases filter area, drop
Low air by when windage, improve the service life of filter.
Further, physical absorption device includes purification sorbing material, and purification sorbing material includes activated carbon, nanometer ore deposit
One or more in brilliant, the pure and mild Mayan basket of diatom, and be arranged to cellular.
It is using the above-mentioned further beneficial effect of scheme：Multiple material is mixed in physical absorption device simultaneously, can be same
When purify a variety of air pollutants, improve air-filtering ability.
Further, the material of outer container, interior case and grid panel is aluminium alloy.
It is using the above-mentioned further beneficial effect of scheme：Mitigate the weight of outer container, interior case and grid panel, and cause outer
Case, interior case and grid panel have good anti-corrosive properties, improve durability of the present utility model.
Brief description of the drawings
Fig. 1 is structural representation when the utility model side is put.
Wherein：1st, roughing efficiency air filter；2nd, medium effeciency filter；3rd, high efficiency particulate air filter；4th, physical absorption device；5th, outer container；6、
Interior case；7th, connection lock；8th, connecting rod；9th, case occurs for anion；10th, grid panel.
Embodiment
Specific embodiment of the present utility model is described below, in order to which those skilled in the art understand
The utility model, it should be apparent that the utility model is not limited to the scope of embodiment, to the common skill of the art
For art personnel, if various change in the spirit and scope of the present utility model that appended claim limits and determines,
These changes are it will be apparent that all utilize the innovation and creation of the utility model design in the row of protection.
As shown in figure 1, the sunk type return air inlet air purifier includes outer container 5 and interior case 6, and it is arranged on the He of outer container 5
Some PUSH-PUSH structures between interior case 6；Each PUSH-PUSH structures include the connection lock 7 being arranged in outer container 5, with
And the connecting rod 8 for being arranged on interior case 6 and matching with being connected lock 7；The bottom of interior case 6 is provided with grid panel 10, grid surface
Roughing efficiency air filter 1, medium effeciency filter 2, anion are disposed with plate 10 case 9, high efficiency particulate air filter 3 and physical absorption dress occurs
Put 4；Be provided with air quality acquisition module between grid panel 10 and roughing efficiency air filter 1, the connection of air quality acquisition module with
The input for the control module that central air-conditioning processor is connected, control module are also associated with touch-screen, alarm and WiFi moulds
Block.
Air quality acquisition module includes PM2.5 monitorings sensor, oxygen concentration detection sensor, PM10 monitoring sensings
Device, Formaldehyde sensor and TVOC monitoring sensors.
Ozone monitoring sensor, the connection of ozone monitoring sensor are additionally provided between medium effeciency filter 2 and high efficiency particulate air filter 3
The output end of the link control module of case 9 occurs for the input of control module, anion.
Roughing efficiency air filter 1, medium effeciency filter 2 and air intake on high efficiency particulate air filter 3 and outlet air surface are correspondingly arranged on some
Air pressure probe, each air pressure probe are all connected with the input of control module.
Roughing efficiency air filter 1 includes the first housing and is arranged on the filtering material of the first outer inframe, and the material of the first housing is
Aluminium alloy or steel wire metal, filtering material include nylon wire and/or non-woven fabrics；Medium effeciency filter 2 includes the second housing, and V
Type is folded in the non-woven fabrics and fiber cloth of the second outer inframe, and the material of the second housing is aluminium alloy；High efficiency particulate air filter 3 includes the 3rd
Housing, and the nano combined filter material of the 3rd outer inframe is folded in, the material of the 3rd housing is aluminium alloy.Filtering material and housing
Assemble integral, more firm in structure, convenient filter is installed on the cleaning replacement in cabinet and during use.
Case 9, which occurs, for anion includes anion generator, emitting head and modular casing, and is arranged on modular casing
On ozone monitoring sensor；Anion generator is placed in casing and connects emitting head, and emitting head is into geometric array pattern one
Word is arranged on casing；The input of ozone monitoring sensor link control module, anion generator link control module
Output end；The material of casing is metal, and the inner surface setting of casing has insulating barrier.
Physical absorption device 4 includes purification sorbing material, and it is pure that purification sorbing material includes activated carbon, nanometer ore deposit crystalline substance, diatom
With the one or more in the basket of Mayan, and it is arranged to cellular.
In one embodiment of the present utility model, the material of outer container 5, interior case 6 and grid panel 10 is aluminium alloy, with
Upper material and shape include but are not limited to claim material and shape, also same or like as replacement including its type
The material and shape of thing.
When in use, the outer container 5 of casing is fixed on the edging in ceiling the utility model by tapping screw, interior
Case 6 is connected with outer container 5 by PUSH-PUSH structures, and filters at different levels are each attached in interior case 6.When needs are changed and are overhauled
When, it is only necessary to push up interior case 6, the connection lock 7 of PUSH-PUSH structures is disconnected with connecting rod 8, you can remove interior case 6 with
And case 9 and physical absorption device 4 occur for filters at different levels, the anion in interior case 6.Similarly, after the completion of changing and overhaul, upwards
Case 6 can be completed to assemble in promotion.
The utility model is run, central air conditioning fan coil unit unit operation with the operation of central air conditioning fan coil unit unit
When, air is entered by grid panel 10, and passes sequentially through roughing efficiency air filter 1, medium effeciency filter 2, anion and case 9, height occurs
Filter 3 and physical absorption device 4 are imitated, by entering central air conditioning fan coil unit unit after physical absorption device 4.Into this reality
First passed around roughing efficiency air filter 1 with new air and crossed in air filtering and be more than impurity in 10um dust granule, hair and air
Deng；Then medium effeciency filter 2 is entered by the air of prefiltration, filters out the airborne suspended particle of more than 1um in air；Through junior middle school
Air after effect filtering enters anion and the position of case 9 occurs, and anion occurs anion caused by case 9 and railway carriage or compartment occurs to entering
Air in degraded less than 1um dust granule, poisonous and harmful substance, using its own caused anion, moved by it
The big I of shifting rate is divided into large, medium and small ion.Can be with after electronegative particulate gets in and sucked by human body in small ion air
Make oxygen content increase in human body blood, be advantageous to blood oxygen conveying, absorb and utilize, have and promote human metabolism, improve human body
Immunocompetence, strengthen human body flesh energy.
In air, after anion is combined with bacterium, bacterium is produced the change of structure or the transfer of energy, cause bacterium dead
Die, most final decline is sunk.Air after processing enters high efficiency particulate air filter 3, and 0.3-5um air floating thing is filtered out through high efficiency particulate air filter 3
And poisonous and harmful substance, finally enter physical absorption device 4, formaldehyde, TVOC venomous injurant of the physical absorption device 4 to remnants
Matter is filtered again.Complete the air after filtering and enter central air conditioning fan coil unit unit, pass through central air conditioning fan coil unit
Air is sent to room after unit processing.
The utility model be arranged at air quality acquisition module various sensors monitor in real time indoor PM2.5, PM10,
Formaldehyde, temperature, humidity and TVOC content, and real-time Transmission to control module in touch-screen real-time display, can also pass through
WiFi module is transmitted to the mobile terminal of user.
During the utility model normal work, air pressure probe detects that the air pressure passed through is less than setting value, carries
Show cleaning or change filter.Control module uses open communications protocol, can be with central air-conditioning processor or intelligence
House system couples.The utility model, can be automatic by the real-time data acquisition of each sensor and the setting of control module
Or (WiFi module can be connected with user's LAN, and user can be looked into real time by internet terminal equipment by WiFi remote controls
Ask and set running status and carry out remote control), the fortune of touch-screen progress field control central air conditioner system can also be passed through
The operation of row state (refrigeration, heating, ventilation are shut down) and air purifier, to reach indoor air quality and oxygen
The optimum state of concentration.
In summary, the utility model can effectively filter out the PM2.5 and formaldehyde, carbon monoxide, dioxy in room environment
Change sulphur, hydrocarbon etc., improve the purification efficiency of room air, and the utility model is simple in construction, installing/dismounting is easy
Operation, convenience in transport, save using space and reduce later stage working service cost.
Claims (10)
- A kind of 1. sunk type return air inlet air purifier, it is characterised in that：Including outer container (5) and interior case (6), and it is arranged on institute State some PUSH-PUSH structures between outer container (5) and interior case (6)；Each PUSH-PUSH structures include being arranged on institute The connection lock (7) in outer container (5) is stated, and the connecting rod for being arranged on the interior case (6) and matching with the connection lock (7) (8)；The bottom of the interior case (6) is provided with grid panel (10), and primarily efficient filter is disposed with the grid panel (10) Case (9), high efficiency particulate air filter (3) and physical absorption device (4) occur for device (1), medium effeciency filter (2), anion；Air quality acquisition module is provided between the grid panel (10) and roughing efficiency air filter (1), the air quality is adopted The input for the control module that collection module connection is connected with central air-conditioning processor, the control module are also associated with touching Screen, alarm and WiFi module.
- 2. sunk type return air inlet air purifier according to claim 1, it is characterised in that：The air quality gathers mould Block includes PM2.5 monitorings sensor, oxygen concentration detection sensor, PM10 monitorings sensor, Formaldehyde sensor and TVOC Monitor sensor.
- 3. sunk type return air inlet air purifier according to claim 1, it is characterised in that：The medium effeciency filter (2) Ozone monitoring sensor is additionally provided between high efficiency particulate air filter (3), the ozone monitoring sensor connects the control module Input, the output end that case (9) connects the control module occurs for the anion.
- 4. sunk type return air inlet air purifier according to claim 1, it is characterised in that：The roughing efficiency air filter (1), Air intake on medium effeciency filter (2) and high efficiency particulate air filter (3) is correspondingly arranged on some air pressure probes with outlet air surface, often The individual air pressure probe is all connected with the input of the control module.
- 5. sunk type return air inlet air purifier according to claim 1, it is characterised in that：The roughing efficiency air filter (1) Including the first housing and the filtering material for being arranged on the described first outer inframe, the material of first housing is aluminium alloy or steel wire Metal, the filtering material include nylon wire and/or non-woven fabrics.
- 6. sunk type return air inlet air purifier according to claim 1, it is characterised in that：The medium effeciency filter (2) The non-woven fabrics and fiber cloth of the described second outer inframe are folded in including the second housing, and V-type, the material of second housing is Aluminium alloy.
- 7. sunk type return air inlet air purifier according to claim 1, it is characterised in that：Case occurs for the anion (9) anion generator, emitting head and modular casing are included, and the ozone monitoring being arranged on the modular casing passes Sensor；The anion generator is placed in the casing and connects the emitting head, and the emitting head is into geometric array pattern It is in one line on the casing；The ozone monitoring sensor connects the input of the control module, the anion hair Raw device connects the output end of the control module；The material of the casing is metal, and the inner surface setting of the casing has insulation Layer.
- 8. sunk type return air inlet air purifier according to claim 1, it is characterised in that：The high efficiency particulate air filter (3) Including the 3rd housing, and the nano combined filter material of the 3rd outer inframe is folded in, the material of the 3rd housing is closed for aluminium Gold.
- 9. the sunk type return air inlet air purifier according to claim 1 or 4, it is characterised in that：The physical absorption dress Putting (4) includes purification sorbing material, and the purification sorbing material is included in activated carbon, nanometer ore deposit crystalline substance, the pure and mild Mayan basket of diatom One or more, and be arranged to cellular.
- 10. sunk type return air inlet air purifier according to claim 1, it is characterised in that：The outer container (5), interior case (6) and the material of grid panel (10) is aluminium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720625948.5U CN206831722U (en) | 2017-06-01 | 2017-06-01 | Sunk type return air inlet air purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720625948.5U CN206831722U (en) | 2017-06-01 | 2017-06-01 | Sunk type return air inlet air purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206831722U true CN206831722U (en) | 2018-01-02 |
Family
ID=60774067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720625948.5U Expired - Fee Related CN206831722U (en) | 2017-06-01 | 2017-06-01 | Sunk type return air inlet air purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206831722U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106989458A (en) * | 2017-06-01 | 2017-07-28 | 成都环宇绿舟环境科技有限公司 | Sunk type return air inlet air purifier |
-
2017
- 2017-06-01 CN CN201720625948.5U patent/CN206831722U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106989458A (en) * | 2017-06-01 | 2017-07-28 | 成都环宇绿舟环境科技有限公司 | Sunk type return air inlet air purifier |
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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: 20190701 Address after: 610051 Chenghua District, Chengdu City, Sichuan Province, No. 88, No. 1 Building 6, No. 11, No. 3, Jianbei Road Patentee after: Sichuan Huacheng Mechanical and Electrical Equipment Co., Ltd. Address before: 610000 No. 5, 14th Floor, No. 666 Jincheng Avenue, Chengdu High-tech Zone, Sichuan Province Patentee before: Chengdu Huanyu Lvzhou Environmental Technology Co Ltd |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180102 Termination date: 20210601 |
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| CF01 | Termination of patent right due to non-payment of annual fee |