CN215571026U - Heat exchange type fresh air fan - Google Patents

Heat exchange type fresh air fan Download PDF

Info

Publication number
CN215571026U
CN215571026U CN202121989734.9U CN202121989734U CN215571026U CN 215571026 U CN215571026 U CN 215571026U CN 202121989734 U CN202121989734 U CN 202121989734U CN 215571026 U CN215571026 U CN 215571026U
Authority
CN
China
Prior art keywords
air
fresh air
cavity
heat exchange
chamber
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.)
Active
Application number
CN202121989734.9U
Other languages
Chinese (zh)
Inventor
吴金生
吴天文
严小兵
陀玉娟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongguan Excel Industrial Co ltd
Original Assignee
Dongguan Excel Industrial Co ltd
Dongguan Jingxiang Environmental Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dongguan Excel Industrial Co ltd, Dongguan Jingxiang Environmental Technology Co ltd filed Critical Dongguan Excel Industrial Co ltd
Priority to CN202121989734.9U priority Critical patent/CN215571026U/en
Application granted granted Critical
Publication of CN215571026U publication Critical patent/CN215571026U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Air-Conditioning Room Units, And Self-Contained Units In General (AREA)

Abstract

The utility model relates to a heat exchange type fresh air fan, which comprises a cabinet body provided with an airflow channel, wherein the cabinet body comprises a shell and a panel, and the airflow channel comprises a heat exchange cavity, a fresh air cavity, an air inlet cavity and an air exhaust cavity; the exhaust cavity is provided with an exhaust fan, two fresh air fans are arranged in the fresh air cavity, two outlets of the two fresh air fans are arranged towards the fresh air port of the shell, and inlets of the two fresh air fans are arranged towards two opposite directions respectively; set up high efficiency filter between fresh air chamber and the heat exchange chamber, set up primary filter between heat exchange chamber and the air inlet chamber, the panel lock is in casing one side, and under the state of opening the panel, primary filter, high efficiency filter expose for fresh air chamber, heat exchange chamber and the chamber of airing exhaust. The utility model optimizes the air flow channel, provides larger air volume through the two fresh air fans, and forcibly exhausts indoor air out of the room through the exhaust fan, thereby ensuring the stable air pressure between the indoor air and the outdoor air; optimize cabinet body inner structure, make things convenient for new fan's equipment and maintenance.

Description

Heat exchange type fresh air fan
Technical Field
The utility model relates to the technical field of new fans, in particular to a heat exchange type new fan.
Background
With the enhancement of environmental awareness of people, people pay more attention to the air quality in various environments, and particularly in the severe air pollution period in winter, the environments with sand storm and excessively high PM2.5 easily cause troubles and injuries to the life of people. The current indoor clean fresh air mainly relies on new fan to realize, new fan filters outdoor air and indoor air and carries indoor again, the amount of wind of new fan depends on inlet channel's sectional area, inlet channel will drill on the outer wall body in house, in view of people's general use custom and will, the size in air conditioner pipeline installation aperture can be accepted to outer wall trompil usually, too big aperture influences the outward appearance and is difficult to accept, and use the air conditioner aperture as inlet channel's new fan, there is the too little drawback of the amount of wind. In addition, a filter for filtered air is the consumptive material, needs to change after using a period, and present new fan sets up a plurality of filters in the different positions of the cabinet body, and the different positions that need open the cabinet body just can change corresponding filter, and it is comparatively loaded down with trivial details to change.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects of the prior art, the utility model provides a heat exchange type fresh air fan.
In order to achieve the purpose, the technical scheme provided by the utility model is as follows: a heat exchange type fresh air fan comprises a cabinet body provided with an airflow channel, wherein the cabinet body comprises a shell and a panel, the airflow channel comprises a heat exchange cavity, a fresh air cavity, an air inlet cavity and an air exhaust cavity which are arranged in the shell, the fresh air cavity is arranged on one side of the heat exchange cavity, and the air inlet cavity and the air exhaust cavity are arranged on the other side of the heat exchange cavity in parallel; the exhaust cavity is provided with an exhaust fan, two fresh air fans are arranged in the fresh air cavity, two outlets of the two fresh air fans are arranged towards the fresh air port of the shell, and inlets of the two fresh air fans are arranged towards two opposite directions respectively; the novel air purifier is characterized in that a high-efficiency filter is arranged between the fresh air cavity and the heat exchange cavity, a primary filter is arranged between the heat exchange cavity and the air inlet cavity, the panel is buckled on one side of the shell, and the primary filter and the high-efficiency filter are exposed relative to the fresh air cavity, the heat exchange cavity and the air exhaust cavity in a state that the panel is opened.
In the technical scheme, the air inlet cavity and the air exhaust cavity are separated by a first partition plate, an exhaust fan is arranged in the air exhaust cavity, and the exhaust fan is arranged on the first partition plate; the air inlet pipe and the air exhaust pipe are arranged on the shell and are respectively communicated with the air inlet cavity and the air exhaust cavity, and the air inlet pipe and the air exhaust pipe are parallel to each other.
In the technical scheme, the heat exchange cavity is provided with the heat exchanger, and the two primary filters are arranged between the air inlet cavity and the heat exchanger side by side.
In the technical scheme, an air distribution cavity is formed between the fresh air cavity and the fresh air inlet through a second partition plate, the two fresh air fans are symmetrically arranged on one side of the second partition plate close to the fresh air cavity by using the central line of the shell, and two outlets of the two fresh air fans are communicated with the air holes in the second partition plate.
In the above technical scheme, two new trend fans are as the driving source through a double-end motor, double-end motor passes through the support to be fixed in second baffle one side, two impellers and the shell of two new trend fans assemble respectively in double-end motor's both sides, the impeller is connected with double-end motor's rotor, the shell is fixed with support, second baffle.
In the technical scheme, the fresh air cavity is internally provided with the UV lamp, and the UV lamp is arranged on the inner wall of the shell through the support frame.
In the above technical scheme, the casing is provided with a return air inlet communicated with the heat exchange cavity, the return air inlet is positioned at one side close to the air inlet cavity, the casing is provided with a detection port at the other side opposite to the return air inlet, and an air detection device is arranged at the inner side of the detection port.
In the above technical solution, the first partition plate and the inner wall of the housing are respectively provided with corresponding slots, and the primary filter and the high efficiency filter are inserted into the corresponding slots in a replaceable manner.
In the technical scheme, two sound insulation layers are arranged on the inner side of the panel; the panel inboard is provided with two crossbeams, be provided with first layer puigging between crossbeam and the panel lateral wall, between two crossbeams, set up second floor puigging in the first layer puigging outside, this second floor puigging covers the crossbeam, the puigging is sound insulation sponge layer.
In the technical scheme, a hanging plate used for being fixed with a wall is arranged on the back face of the shell, a plurality of fixing holes for mounting screws are punched in the hanging plate, a hook is arranged on the hanging plate, a corresponding hanging hole is formed in the back face of the shell, and the hanging plate is clamped in the hanging hole through the hook and is clamped with the shell.
The novel air purifier has the advantages that the novel air purifier is reasonable in structure, novel in design and high in practicability, an air flow channel is optimized, fresh air filtered by the high-efficiency filter is blown into a room from a fresh air port through the two fresh air fans, so that the fresh air fans have large air volume, the indoor air is forcibly exhausted out of the room through the exhaust fans, and the air pressure between the indoor air and the outdoor air is ensured to be stable; the double-end motor is used as a unified driving source of the two fresh air fans, so that the space occupied by the fresh air fans is reduced, and the structure is optimized; optimize cabinet body inner structure, can conveniently assemble, walk line and maintenance, the panel inboard sets up the sponge puigging, falls the noise of fan during operation, reduces the noise of new fan during operation, opens the panel and just can change the operation to high efficiency filter and primary filter, and it is more convenient to maintain.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic view of the internal structure of the present invention with the panel removed.
Fig. 3 is a schematic view of the internal structure of the present invention.
Fig. 4 is a schematic structural view of a fresh air fan of the present invention.
Fig. 5 is an exploded view of the fresh air blower.
Fig. 6 is an exploded view of the panel.
Fig. 7 is a schematic view of an exploded structure of the present invention.
Fig. 8 is a schematic view of the internal structure of the present invention (another view direction of fig. 3).
In the figure: 1. a housing; 11. a first separator; 12. a second separator; 13. a slot; 14. hanging holes; 15. a central bore; 16. a long hole; 2. a panel; 21. a cross beam; 22. a sound insulating layer; 31. an air inlet cavity; 32. an exhaust chamber; 33. a heat exchange chamber; 34. a fresh air cavity; 35. an air distribution cavity; 41. a primary filter; 42. a high efficiency filter; 5. a gas distribution plate; 51. distributing air holes; 6. a fresh air fan; 61. a fixing plate; 611. connecting sheets; 62. a double-headed motor; 63. a side cover; 64. a wiring board; 65. an impeller; 66. a housing; 7. an exhaust fan; 8. hanging the plate; 81. hooking; 9. an air detection device; 101. a fresh air port; 102. an air return opening; 103. an air inlet pipe; 104. an exhaust duct; 105. and (6) a detection port.
Detailed Description
Embodiments of the present invention will be described with reference to the accompanying drawings.
As shown in fig. 1 to 8, a heat exchange type fresh air blower includes a cabinet body provided with an airflow channel, the cabinet body includes a casing 1 and a panel 2, the airflow channel includes a heat exchange cavity 33, a fresh air cavity 34, an air inlet cavity 31 and an air exhaust cavity 32 which are arranged in the casing 1, the fresh air cavity 34 is arranged at one side of the heat exchange cavity 33, and the air inlet cavity 31 and the air exhaust cavity 32 are arranged at the other side of the heat exchange cavity 33 side by side; the exhaust cavity 32 is provided with an exhaust fan 7, the fresh air cavity 34 is internally provided with two fresh air fans 6, two outlets of the two fresh air fans 6 are arranged towards the fresh air port 101 of the shell 1, and inlets of the two fresh air fans 6 are arranged towards two opposite directions respectively; a high-efficiency filter 42 is arranged between the fresh air cavity 34 and the heat exchange cavity 33, a primary filter 41 is arranged between the heat exchange cavity 33 and the air inlet cavity 31, the panel 2 is buckled on one side of the shell 1, and the primary filter 41 and the high-efficiency filter 42 are exposed relative to the fresh air cavity 34, the heat exchange cavity 33 and the exhaust cavity 32 in the state that the panel 2 is opened.
Through two import with two new trend fans 6 respectively towards opposite direction for two new trend fans 6 both sides region's air can all be sucked, increases new trend chamber 34's negative pressure strength, thereby makes heat exchange chamber 33's air can be faster through high efficiency filter 42, thereby improves filtration efficiency, amount of wind.
The air inlet cavity 31 and the air exhaust cavity 32 are separated by a first partition plate 11, an exhaust fan is arranged in the air exhaust cavity 32, and the exhaust fan is arranged on the first partition plate 11; an air inlet pipe 103 and an air outlet pipe 104 which are respectively communicated with the air inlet cavity 31 and the air outlet cavity 32 are arranged on the shell 1, and the air inlet pipe 103 and the air outlet pipe 104 are parallel to each other. The diameters of the air inlet duct 103 and the air outlet duct 104 are the same.
The volume of the air inlet cavity 31 is larger than that of the air exhaust cavity 32, and the ratio of the width of the air inlet cavity 31 to the width of the air exhaust cavity 32 in the width direction of the cabinet body is 2: 1.
The heat exchange chamber 33 is provided with a heat exchanger, and two primary filters 41 are arranged side by side between the air intake chamber 31 and the heat exchanger.
An air distribution cavity 35 is formed between the fresh air cavity 34 and the fresh air inlet 101 through a second partition plate 12, the two fresh air fans 6 are symmetrically arranged on one side of the second partition plate 12 close to the fresh air cavity 34 by using the central line of the shell 1, and two outlets of the two fresh air fans 6 are communicated with the vent holes on the second partition plate 12.
Two new trend fans 6 pass through a double-end motor 62 as the driving source, and double-end motor 62 passes through the support to be fixed in second baffle 12 one side, and two impellers 65 and the shell 66 of two new trend fans 6 assemble respectively in double-end motor 62's both sides, and impeller 65 is connected with double-end motor 62's rotor, and shell 66 is fixed with support, second baffle 12.
The two shells 66 are symmetrically arranged on the second partition board 12, and two outlets of the two fresh air fans 6 are communicated at the vent holes.
The bracket is perpendicular to the second partition board 12, the edge of the bracket is bent with a connecting piece 611 connected with the second partition board 12, and the connecting piece 611 is parallel to the second partition board 12. The connecting piece 611 and the outer shell 66 of the fresh air fan 6 are both fixed with the second partition plate 12 through screws.
The bracket comprises a fixing plate 61 and two side covers 63, the fixing plate 61 is provided with a mounting hole for the double-head motor 62 to pass through, the two side covers 63 are fixed on two sides of the mounting hole, and the double-head motor 62 is arranged in the mounting hole through the two side covers 63; a wiring board 64 is extended from the side cover 63 along the fixing plate 61, the wiring board 64 is exposed to the outside of the ventilator 6, and a wiring slot is formed between the wiring board 64 and the fixing plate 61. The wiring board 64 is provided with a reinforcing rib.
The two side covers 63 are fixed to the fixing plate 61 by screws. One side cover 63 is provided with screw holes, the fixing plate 61 and the other side cover 63 are correspondingly provided with through holes, and screws penetrate through the corresponding through holes and then are screwed and fixed with the screw holes.
The second partition board 12 is provided with an air distribution board 5 at the vent hole, and the air distribution board 5 is provided with an air distribution hole 51 for dispersing air flow. The shape of gas distribution hole 51 has circularly, squarely, the rhombus, this embodiment adopts the rhombus, the gap has between gas distribution plate 5 and the second baffle 12, make the air current toward entering gas distribution chamber 35 all around through these gaps, gas distribution hole 51 sets up the central authorities at gas distribution plate 5, make partly air current can get into gas distribution chamber 35 through gas distribution hole 51, the size in gap and gas distribution hole 51's size, quantity can design as required, in order to satisfy different operation requirements.
Be provided with the UV lamp in the new trend chamber 34, this UV lamp passes through the support frame to be installed at casing 1 inner wall, is equipped with this UV lamp and can sends into indoor air quality to the air progress disinfection in the new trend chamber 34.
The casing 1 is provided with a return air inlet 102 communicated with the heat exchange cavity 33, the return air inlet 102 is positioned at one side close to the air inlet cavity 31, the casing 1 is provided with a detection port 105 at the other side opposite to the return air inlet 102, and the inner side of the detection port 105 is provided with an air detection device 9. The air return opening 102 is formed by regularly arranging a plurality of long round holes. The air detection device 9 comprises a carbon dioxide sensor, a PM2.5 sensor, a TVOC sensor and a WSD sensor, is used for detecting various parameters of indoor air, and can be used as a basis for judging the quality of the indoor air and a judgment basis for judging whether the air purification is carried out by automatically starting the air detection device.
The first partition 11 and the inner wall of the casing 1 are provided with respective insertion grooves 13, and the primary filter 41 and the high efficiency filter 42 are inserted into the respective insertion grooves 13 in a replaceable manner.
Two sound insulation layers 22 are arranged on the inner side of the panel 2; the inboard two crossbeams 21 that are provided with of panel 2, be provided with first layer puigging 22 between crossbeam 21 and the 2 lateral walls of panel, two crossbeams 21, set up second layer puigging 22 in the first layer puigging 22 outside, this second layer puigging 22 covers crossbeam 21, puigging 22 is the sponge layer that gives sound insulation.
The back of casing 1 is provided with the link plate 8 that is used for with the wall fastening, and the fixed orifices that has a plurality of mounting screws is stamped on link plate 8, is provided with couple 81 on the link plate 8, and the back of casing 1 is provided with corresponding hanging hole 14, and link plate 8 blocks into through couple 81 in the hanging hole 14 with casing 1 joint.
The hanging hole 14 comprises a central hole 15 and three long holes 16 which are communicated, and the three long holes 16 respectively extend towards three directions by taking the central hole 15 as the center to form the T-shaped hanging hole 14.
When the new fan is installed at the wall, earlier link plate 8 through the screw fixation on the wall, then the back of new fan is gone toward link plate 8 department to hang, and three couple 81 on the link plate 8 is aimed at to three hanging hole 14, with couple 81 embedding hanging hole 14 in, then new fan can remove along the three slot hole 16 of hanging hole 14 and finely tune the position, makes things convenient for the installation of new fan.
Of course, those skilled in the art will easily understand that the two fresh air fans 6 are independent from each other, each fresh air fan has a motor as a driving source, the two fresh air fans 6 can be combined into a whole through a bracket or separately installed, the assembly manner is variable, but the occupied space is larger compared with the above-mentioned scheme using the double-head motor 62.
The novel air-conditioning system is reasonable in structure, novel in design and strong in practicability, an air flow channel is optimized, the fresh air filtered by the high-efficiency filter 42 is blown into a room from the fresh air port 101 through the two fresh air fans 6, so that the fresh air fans have large air volume, the indoor air is forcibly exhausted out of the room through the exhaust fan 7, and the air pressure between the indoor air and the outdoor air is ensured to be stable; the double-end motor 62 is used as a unified driving source of the two fresh air fans 6, so that the space occupied by the fresh air fans 6 is reduced, and the structure is optimized; optimize cabinet body inner structure, can conveniently assemble, walk line and maintenance, 2 inboards on the panel set up sponge puigging 22, fall the noise of fan during operation, reduce the noise of new fan during operation, open panel 2 and just can change the operation to high efficiency filter 42 and primary filter 41, it is more convenient to maintain.
The technical scope of the present invention is not limited to the above embodiments, and any modifications, equivalent variations and modifications made to the above embodiments according to the technical spirit of the present invention still fall within the technical scope of the present invention.

Claims (10)

1. The heat exchange type fresh air fan is characterized by comprising a cabinet body provided with an airflow channel, wherein the cabinet body comprises a shell and a panel, the airflow channel comprises a heat exchange cavity, a fresh air cavity, an air inlet cavity and an air exhaust cavity which are arranged in the shell, the fresh air cavity is arranged on one side of the heat exchange cavity, and the air inlet cavity and the air exhaust cavity are arranged on the other side of the heat exchange cavity in parallel; the exhaust cavity is provided with an exhaust fan, two fresh air fans are arranged in the fresh air cavity, two outlets of the two fresh air fans are arranged towards the fresh air port of the shell, and inlets of the two fresh air fans are arranged towards two opposite directions respectively; the novel air purifier is characterized in that a high-efficiency filter is arranged between the fresh air cavity and the heat exchange cavity, a primary filter is arranged between the heat exchange cavity and the air inlet cavity, the panel is buckled on one side of the shell, and the primary filter and the high-efficiency filter are exposed relative to the fresh air cavity, the heat exchange cavity and the air exhaust cavity in a state that the panel is opened.
2. The heat exchange type fresh air fan as claimed in claim 1, wherein the air inlet chamber and the air outlet chamber are separated by a first partition plate, an exhaust fan is arranged in the air outlet chamber, and the exhaust fan is mounted on the first partition plate; the air inlet pipe and the air exhaust pipe are arranged on the shell and are respectively communicated with the air inlet cavity and the air exhaust cavity, and the air inlet pipe and the air exhaust pipe are parallel to each other.
3. A heat exchange ventilator as set forth in claim 2 in which said heat exchange chamber is provided with a heat exchanger and two primary filters are arranged side by side between the air intake chamber and the heat exchanger.
4. The heat exchange type fresh air fan as claimed in claim 3, wherein a distribution chamber is formed between the fresh air chamber and the fresh air inlet through a second partition, the two fresh air fans are symmetrically arranged on one side of the second partition near the fresh air chamber with respect to a center line of the casing, and two outlets of the two fresh air fans are communicated with the vent holes on the second partition.
5. The heat exchanging type fresh air blower according to claim 4, wherein the two fresh air blowers are driven by a double-headed motor fixed to one side of the second partition plate through a bracket, two impellers and a housing of the two fresh air blowers are respectively assembled to both sides of the double-headed motor, the impellers are connected to a rotor of the double-headed motor, and the housing is fixed to the bracket and the second partition plate.
6. The heat exchange type fresh air fan as claimed in claim 4, wherein a UV lamp is arranged in the fresh air chamber, and the UV lamp is mounted on the inner wall of the casing through a support frame.
7. The heat exchange type fresh air machine as claimed in claim 3, wherein the casing is provided with a return air inlet communicated with the heat exchange chamber, the return air inlet is positioned at one side close to the air inlet chamber, the casing is provided with a detection port at the other side opposite to the return air inlet, and an air detection device is arranged at the inner side of the detection port.
8. The heat exchanging ventilator of claim 2 wherein the first partition and the inner wall of the housing are provided with respective slots, and the primary filter and the high efficiency filter are inserted into the respective slots in a replaceable manner.
9. A heat exchange ventilator as set forth in claim 1 in which two sound-insulating layers are provided on the inside of said panel; the panel inboard is provided with two crossbeams, be provided with first layer puigging between crossbeam and the panel lateral wall, between two crossbeams, set up second floor puigging in the first layer puigging outside, this second floor puigging covers the crossbeam, the puigging is sound insulation sponge layer.
10. The heat exchange type fresh air fan as claimed in claim 1, wherein a hanging plate for fixing with a wall is arranged on the back of the casing, a plurality of fixing holes for mounting screws are punched on the hanging plate, a hook is arranged on the hanging plate, a corresponding hanging hole is arranged on the back of the casing, and the hanging plate is clamped with the casing through the hook and clamped in the hanging hole.
CN202121989734.9U 2021-08-23 2021-08-23 Heat exchange type fresh air fan Active CN215571026U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121989734.9U CN215571026U (en) 2021-08-23 2021-08-23 Heat exchange type fresh air fan

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121989734.9U CN215571026U (en) 2021-08-23 2021-08-23 Heat exchange type fresh air fan

Publications (1)

Publication Number Publication Date
CN215571026U true CN215571026U (en) 2022-01-18

Family

ID=79840814

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121989734.9U Active CN215571026U (en) 2021-08-23 2021-08-23 Heat exchange type fresh air fan

Country Status (1)

Country Link
CN (1) CN215571026U (en)

Similar Documents

Publication Publication Date Title
CN213713289U (en) Air treatment device, air conditioner indoor unit and air conditioner
CN110748986A (en) Hoist and mount formula central dehumidifier with new trend purification performance
CN215571026U (en) Heat exchange type fresh air fan
JPH09145143A (en) Indoor unit of ceiling built-in type air conditioner
CN215571025U (en) Air flow channel structure of new fan
CN215490178U (en) Modular cabinet body structure of fresh air machine
CN216159251U (en) Air purifier
CN215372772U (en) Multi-wet-curtain air inlet humidifier
CN213901367U (en) New fan
CN212618748U (en) Fresh air module and air conditioner
JP3106728B2 (en) Air conditioning ventilation fan
CN210128426U (en) Floor type air conditioner indoor unit and air conditioner
CN217817226U (en) Wall type ventilation device
CN218033382U (en) Air duct machine
CN218033384U (en) Air duct machine
CN218033383U (en) Air duct machine
CN215675485U (en) Wall hanging machine
CN217357176U (en) Wall-mounted air conditioner indoor unit and air conditioner
CN212511493U (en) Air conditioner indoor unit and air conditioner
CN216080222U (en) Multimode fan stack device
CN212132706U (en) Machine and air conditioner in air inlet subassembly, suspension type air conditioning
CN217235809U (en) Indoor unit and air conditioner
CN217235991U (en) Air purifier
CN110805966A (en) Integrated air conditioner
CN211854220U (en) Wall-mounted air conditioner indoor unit and air conditioner

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20220829

Address after: No.2, Limin Road, jinxiaotang, Zhutang village, Fenggang town, Dongguan City, Guangdong Province, 523000

Patentee after: DONGGUAN EXCEL INDUSTRIAL CO.,LTD.

Address before: No.2, Limin Road, jinxiaotang, Zhutang village, Fenggang town, Dongguan City, Guangdong Province, 523000

Patentee before: Dongguan Jingxiang Environmental Technology Co.,Ltd.

Patentee before: DONGGUAN EXCEL INDUSTRIAL CO.,LTD.

TR01 Transfer of patent right