CN212274215U - Wind direction adjusting device for adjusting indoor and outdoor air inlet proportion - Google Patents
Wind direction adjusting device for adjusting indoor and outdoor air inlet proportion Download PDFInfo
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- CN212274215U CN212274215U CN202020813781.7U CN202020813781U CN212274215U CN 212274215 U CN212274215 U CN 212274215U CN 202020813781 U CN202020813781 U CN 202020813781U CN 212274215 U CN212274215 U CN 212274215U
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Abstract
The utility model discloses a wind direction adjusting device for adjusting indoor and outdoor air inlet proportion, which comprises a shell, wherein the shell is provided with an outdoor air inlet, an indoor air inlet and a shell air outlet; the shell is provided with an adjusting shaft hole extending from the driving rotating shaft on the air supply control body, the driving rotating shaft on the air supply control body extends out of the shell and is connected with the air quantity adjusting part, the air control body is provided with a small air quantity ventilating duct and a large air quantity ventilating duct, and the air inlets of the small air quantity ventilating duct and the large air quantity ventilating duct are correspondingly communicated with the outdoor air inlet or the indoor air inlet respectively under the action of the air quantity adjusting part. The utility model discloses a rotate in the casing and connect the wind accuse body to set up the ventiduct of air intake variation in size on the wind accuse body, realize according to the air inlet proportion of the indoor outer of temperature regulation in different seasons, have simple and practical's advantage, the energy saving.
Description
Technical Field
The utility model belongs to the technical field of new fan hot blast blowpipe apparatus, concretely relates to wind direction adjusting device for adjusting indoor outdoor air inlet proportion.
Background
With the improvement of living standard of people, the requirement of Chinese people on health is higher and higher, and the healthy living environment depends on high-quality clean air, so that a fresh air system gradually enters thousands of households, the fresh air is fresh air without other substances as the name suggests, the fresh air needs to come from nature, the temperature change of the south and north of the Liaoning China is large, particularly in winter and summer, the indoor temperature energy loss is large inevitably due to the adoption of the fresh air system, although a cold-heat exchanger exists, the exchange at the moment of overhigh wind speed is also the salary of the cup waterwheel, the indoor and outdoor air inlet proportion is controlled, the outdoor temperature difference is reduced, and the reduction of the indoor temperature loss is an effective way for solving the cold-heat exchange of the fresh air system.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a wind direction adjusting device for adjusting indoor outdoor air inlet proportion according to the air inlet proportion of difference in temperature regulation indoor outer in different seasons, realizes the drawback of temperature loss in summer and winter of new trend system.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a wind direction adjusting device for adjusting indoor and outdoor air inlet proportion comprises a shell, wherein an outdoor air inlet, an indoor air inlet and a shell air outlet are formed in the shell, a wind control body is arranged in the shell, and the wind control body is rotatably connected with the shell through a rotating shaft; be equipped with the regulation shaft hole that the initiative pivot on the air feed accuse body stretches out on the casing, the initiative pivot on the air feed accuse body stretches out the casing and is connected with air regulation portion, be equipped with little amount of wind ventiduct and big amount of wind ventiduct on the air feed accuse body under the effect of air regulation portion the air intake of little amount of wind ventiduct, big amount of wind ventiduct corresponds the intercommunication with outdoor air intake or indoor air intake respectively.
The utility model discloses a rotate in the casing and connect the wind accuse body, and set up the different ventiduct of air intake on the wind accuse body, adjust the technical scheme of the indoor outer intake of control room, realize the drawback of temperature loss in summer and winter of new trend system, specifically, when outdoor temperature is too high (25 ℃ and above) or low (18 ℃ and below), can pass through air regulation portion, make the air intake of little amount of wind ventiduct communicate with outdoor air intake, the air intake of big amount of wind ventiduct communicates with indoor air intake, form the air inlet mode that outdoor intake is less than indoor intake jointly; when the outdoor temperature is normal temperature (18-25 ℃), the air inlet of the large air volume ventilating duct is communicated with the outdoor air inlet through the air volume adjusting part, and the air inlet of the small air volume ventilating duct is communicated with the indoor air inlet to jointly form an air inlet mode that the outdoor air inlet volume is larger than the indoor air inlet volume, so that the air inlet proportion of the indoor air and the outdoor air is adjusted according to different seasons and temperature difference.
Further, still include intelligent control module, intelligent control module includes controller, outdoor temperature detect probe, air regulation portion includes step motor, the signal output part of outdoor temperature detect probe is connected with the signal input part of controller, the signal output part of controller is connected with step motor's signal control end.
Adopt the above-mentioned technical scheme in the utility model, can realize intelligent conversion control, for example, realize setting for upper and lower limit temperature value, outdoor temperature detection probe real-time detection outdoor temperature information, and send the temperature signal who detects to the controller, the controller is to received detection signal analysis processing and compare in realizing the temperature threshold value of setting for, when received outdoor detection temperature is higher than the upper limit threshold value of realizing setting for or is less than the lower limit threshold value of realizing setting for, controller control step motor rotates, make the air intake and the outdoor air intake of little amount of wind ventiduct communicate, the air intake and the indoor air intake of big amount of wind ventiduct communicate; when the received outdoor detection temperature is reduced/increased within a set temperature range, the controller indirectly controls the wind control body to rotate and reset by controlling the stepping motor to rotate, so that the air inlet of the large-air-volume ventilating duct is communicated with the outdoor air inlet, and the air inlet of the small-air-volume ventilating duct is communicated with the indoor air inlet; and intelligent control is adopted, manual operation is not needed, and the use is convenient.
Further, the small air volume ventilation channel comprises a first air opening and a second air opening which is arranged right opposite to the first air opening; the large air volume channel comprises a third air port and a fourth air port which is arranged right opposite to the third air port; the ratio of the caliber of the first air port to the caliber of the second air port is 1: 2 to 2.5; and the diameters of the second air port, the third air port and the fourth air port are the same.
The utility model provides a ratio of the bore of wind gap one and the bore of wind gap two is through experiment rational design, is about 3 with intake proportional control: the range of 7 can effectively relieve the phenomenon of temperature loss in winter and summer.
Furthermore, the wind control body is of a hollow circular sphere structure, and the central axes of the first air port and the second air port are on the same straight line and penetrate through the sphere center of the wind control body;
the central axes of the third air port and the fourth air port are on the same straight line and penetrate through the spherical center of the air control body;
the central axes of the first tuyere and the second tuyere are vertical to the central axes of the third tuyere and the fourth tuyere.
Furthermore, the axis of the rotating shaft on the wind control body passes through the spherical center of the wind control body.
Furthermore, the axis of the rotating shaft on the air control body is a first axis, the central axes of the first air opening and the second air opening are second axes, and the central axes of the third air opening and the fourth air opening are third axes; the first axis, the second axis and the third axis are mutually vertical.
The utility model provides an above-mentioned technical scheme is through the spherical air control valve with the design of the air control body for spherical structure, design the casing for in the spherical valve shell of spherical air control valve adaptation, spherical structure has the convenient advantage of rotation, first axis, the second axis, third axis mutually perpendicular, it is perpendicular to belong to different faces in three-dimensional space, can conveniently set up step motor to 0 or 90 two kinds of operating condition modes like this, corotation 90 switches indoor outer intake promptly, or reversal 90 resets.
Furthermore, an indoor filter screen is arranged at the indoor air inlet of the shell.
The utility model discloses a set up indoor filter screen, can effectively avoid debris or toy to be inhaled.
Furthermore, the shell is provided with a mounting hole for mounting and fixing the stepping motor.
Furthermore, the outdoor air inlet of the shell is connected with an air flow box, a fan used for drawing outdoor air into the shell is arranged in the air flow box, two air flow box air inlets are formed in the air flow box, and the two air flow box air inlets are respectively a first air flow box air inlet and a second air flow box air inlet.
Further, the shell comprises a first shell and a second shell, and the first shell is connected with the second shell in an assembling and disassembling mode.
The utility model provides a casing adopts the mode that first casing and second casing assembly and disassembly connect, and easy to assemble overhauls, especially conveniently just lacks the wind accuse body and installs in the casing.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a rotate in the casing and connect the wind accuse body, and set up the different ventiduct of air intake on the wind accuse body, adjust the technical scheme of the indoor outer intake of control room, realize the drawback of temperature loss in summer and winter of new trend system, specifically, when outdoor temperature is too high (25 ℃ and above) or low (18 ℃ and below), can pass through air regulation portion, make the air intake of little amount of wind ventiduct communicate with outdoor air intake, the air intake of big amount of wind ventiduct communicates with indoor air intake, form the air inlet mode that outdoor intake is less than indoor intake jointly; when the outdoor temperature is normal temperature (18-25 ℃), the air inlet of the large air volume ventilating duct is communicated with the outdoor air inlet through the air volume adjusting part, the air inlet of the small air volume ventilating duct is communicated with the indoor air inlet, an air inlet mode that the outdoor air inlet volume is larger than the indoor air inlet volume is formed together, the air inlet proportion between the indoor air inlet volume and the outdoor air inlet volume is adjusted according to the temperature difference in different seasons, and the air inlet adjusting device has the advantages of simplicity, practicability and energy conservation.
2. The utility model discloses can realize intelligent conversion control, for example preset upper and lower limit temperature value, outdoor temperature detection probe real-time detection outdoor temperature information, and send the temperature signal who detects to the controller, the controller carries out the comparison to received detection signal analysis processing and in realizing the temperature threshold value of settlement, when received outdoor detection temperature is higher than the upper limit threshold value of realization settlement or is less than the lower limit threshold value of realization settlement, controller control step motor rotates, make the air intake and the outdoor air intake of little amount of wind ventiduct communicate, the air intake and the indoor air intake of big amount of wind ventiduct communicate; when the received outdoor detection temperature is reduced/increased within a set temperature range, the controller indirectly controls the wind control body to rotate and reset by controlling the stepping motor to rotate, so that the air inlet of the large-air-volume ventilating duct is communicated with the outdoor air inlet, and the air inlet of the small-air-volume ventilating duct is communicated with the indoor air inlet; and intelligent control is adopted, manual operation is not needed, and the use is convenient.
3. The utility model provides a ratio of the bore of wind gap one and the bore of wind gap two is through experimental design, reasonable in design, is about 3 with intake proportional control: the range of 7 can effectively relieve the phenomenon of temperature loss in winter and summer.
4. The utility model discloses a design the spherical air control valve of the spherical structure with the wind accuse body, with the spherical valve shell of casing design for in spherical air control valve adaptation, spherical structure has the convenient advantage of rotation, first axis, second axis, third axis mutually perpendicular, it is perpendicular to belong to the different faces in three-dimensional space, can conveniently set up step motor into 0 or 90 two kinds of operating condition modes like this, corotation 90 switches indoor outer intake promptly, or 90 resets in the reversal, and control is convenient.
5. The utility model discloses a set up indoor filter screen, can effectively avoid debris or toy to be inhaled.
6. The utility model provides a casing adopts the mode that first casing and second casing assembly and disassembly connect, and easy to assemble overhauls, especially conveniently just lacks the wind accuse body and installs in the casing.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the wind control body of the present invention;
fig. 3 is another schematic structural diagram of the wind control body of the present invention;
fig. 4 is another schematic structural diagram of the wind control body of the present invention;
fig. 5 is another schematic structural diagram of the wind-controlled body of the present invention.
In the figure: the air inlet structure comprises a first air inlet 001, a second air inlet 002, a third air inlet 003, a fourth air inlet 004, a shell 100, an indoor air inlet 101, a shell air outlet 102, a first shell 103, an indoor filter screen 104, an air flow box 200, a first air flow box air inlet 201, a second air flow box air inlet 202, an air control body 300, a driving rotating shaft 301 and a stepping motor 400.
Detailed Description
As shown in fig. 1 to 5, a wind direction adjusting device for adjusting indoor and outdoor air intake ratio includes a housing 100, the housing 100 is provided with an outdoor air intake, an indoor air intake 101 and a housing air outlet 102, the housing 100 in this embodiment includes a first housing and a second housing, and the first housing and the second housing in this embodiment are assembled and disassembled, specifically, as shown in fig. 1, the first housing and the second housing in this embodiment are assembled and disassembled by bolts. An indoor filter screen 104 is disposed at an indoor air inlet 101 of the casing 100, so as to effectively prevent sundries or small animals from being sucked into the casing.
The outdoor air inlet of the casing 100 is connected with the air flow box 200, a first connecting flange is arranged at the outdoor air inlet of the casing 100, and the outdoor air inlet is connected with the air flow box 200 through a flange. A fan for drawing outdoor air into the casing 100 is arranged in the air flow box 200, an air outlet of the air flow box 200 corresponds to an outdoor air inlet, two air inlet openings of the air flow box 200 are arranged, and the two air inlet openings are respectively a first air inlet 201 and a second air inlet 202 of the air flow box. In order to prevent foreign objects from being sucked into the air box 200, outdoor filter screens may be disposed at the first air box inlet 201 and the second air box inlet 202.
The utility model discloses use on new fan, casing air outlet 102 department is equipped with second flange, and casing 100 passes through the air inlet department of second flange connection at new fan.
The casing 100 is internally provided with a wind control body 300, the wind control body 300 is rotatably connected with the inner wall of the casing 100 through a rotating shaft, the casing 100 is provided with an adjusting shaft hole for extending a driving rotating shaft 301 on the wind control body 300, the driving rotating shaft 301 on the wind control body 300 extends out of the casing 100 and is connected with a wind volume adjusting part, the wind control body 300 is provided with a small wind volume air duct and a large wind volume air duct, and the air inlets of the small wind volume air duct and the large wind volume air duct are respectively correspondingly communicated with an outdoor air inlet or an indoor air inlet 101 under the action of the wind volume adjusting part.
The small air volume air duct in the embodiment comprises a first air opening 001 and a second air opening 002 which is arranged right opposite to the first air opening 001; the large air flow channel comprises a tuyere three 003 and a tuyere four 004 which is arranged right opposite to the tuyere three 003; the ratio of the caliber of the first tuyere 001 to the caliber of the second tuyere 002 is 1: 2 to 2.5; the diameters of the second tuyere 002, the third tuyere 003 and the fourth tuyere 004 are the same.
The ratio of the aperture of the tuyere one 001 to the aperture of the tuyere two 002 in this embodiment is 1: 2~2.5 are through experimental design, reasonable in design, control the intake ratio and be about 3: the range of 7 can effectively relieve the temperature loss phenomenon in winter and summer to the maximum extent.
The wind control body 300 in the embodiment is a hollow circular sphere structure, and the central axes of the first air port 001 and the second air port 002 are on the same straight line and penetrate through the sphere center of the wind control body; the central axes of the third tuyere 003 and the fourth tuyere 004 are on the same straight line and penetrate through the spherical center of the air control body 300; the central axes of the tuyere I001 and the tuyere II 002 are vertical to the central axes of the tuyere III 003 and the tuyere IV 004.
The axis of the rotating shaft on the wind control body 300 passes through the spherical center of the wind control body 300. The axis of the rotating shaft on the air control body 300 is a first axis, the central axes of the air inlet I001 and the air inlet II 002 are second axes, and the central axes of the air inlet III 003 and the air inlet IV 004 are third axes; the first axis, the second axis and the third axis are mutually vertical.
The utility model discloses a design the spherical air control valve of spherical structure with the design of the air control body 300, with casing 100 design for with the spherical valve shell of spherical air control valve adaptation, spherical structure has the convenient advantage of rotation, first axis, the second axis, third axis mutually perpendicular, it is perpendicular to belong to the different faces in three-dimensional space, can conveniently set up step motor into 0 or 90 two kinds of operating condition modes like this, corotation 90 switches indoor outer intake promptly, or 90 resets in the reversal, and control is convenient.
This embodiment still includes intelligent control module, and intelligent control module includes controller, outdoor temperature detect probe, and air regulation portion includes step motor 400, and the signal output part of outdoor temperature detect probe is connected with the signal input part of controller, and the signal output part of controller is connected with step motor 400's signal control end, is equipped with the mounting hole that is used for the fixed step motor 400 of installation on the casing. The driving shaft 301 extends out of the housing 100 and is connected with an output shaft of the stepping motor 400.
In this embodiment, an intelligent control module is provided, so that intelligent conversion control can be realized, manual conversion operation is not required, for example, upper and lower limit temperature values are set in advance, an outdoor temperature detection probe detects outdoor temperature information in real time and sends a detected temperature signal to a controller, the controller analyzes and processes the received detection signal and compares the detected signal with a set temperature threshold value, when the received outdoor detection temperature is higher than the set upper limit threshold value or lower than the set lower limit threshold value, the controller controls the stepping motor 400 to rotate, so that an air inlet (air inlet one) of the small air volume air duct is communicated with an outdoor air inlet, and an air inlet (air inlet three) of the large air volume air duct is communicated with an indoor air inlet; when the received outdoor detection temperature is reduced/increased within a set temperature range, the controller indirectly controls the wind control body to rotate and reset by controlling the rotation of the stepping motor 400, so that the air inlet (air inlet four) of the large-air-volume ventilating duct is communicated with the outdoor air inlet, and the air inlet (air inlet one) of the small-air-volume ventilating duct is communicated with the indoor air inlet 101; and intelligent control is adopted, manual operation is not needed, and the use is convenient.
It should be noted that: the controller in this embodiment may be a single chip microcomputer, and the intelligent control principle may be a mature existing control technology principle.
The working principle is as follows: upper and lower temperature thresholds are reasonably set according to requirements, wherein the preferable upper limit temperature is 25 ℃ and the preferable lower limit temperature is 18 ℃.
When the outdoor temperature is 18-25 ℃, the stepping motor 400 is in an initial state, at this time, the third air inlet 003 is opposite to the outdoor air inlet, the fourth air inlet 004 is opposite to the shell air outlet 102, and the first air inlet 001 is opposite to the indoor air inlet 101, at this time, the outdoor air intake is about 70% of the total air intake, the indoor air intake is about 30% of the total air intake, and an air inlet mode that the outdoor air intake is larger than the indoor air intake is formed. At this time, the air inlet two 002 is opposite to the bottom of the casing 100, and the air inlet one 001 and the air inlet two 002 cannot form convection, so that the air entering the inner cavity of the air control body 300 from the air inlet one 001 and the air inlet three 003 enters the air inlet of the fresh air machine from the air outlet 102 of the casing through the air inlet four 004.
When the outdoor temperature detection probe detects that the outdoor temperature is higher than 25 ℃ or lower than 18 ℃, the controller controls the stepping motor 400 to rotate 90 degrees clockwise, then the first air inlet 001 on the air control body 300 is communicated with the outdoor air inlet, the second air inlet 002 is opposite to the shell air outlet 102, and the fourth air inlet 004 is opposite to the indoor air inlet 101, at the moment, the outdoor air inlet amount is about 30% of the total air inlet amount, the indoor air inlet amount is about 70% of the total air inlet amount, and an air inlet mode that the outdoor air inlet amount is smaller than the indoor air inlet amount is formed. At this time, the air inlet three 003 is opposite to the bottom of the casing 100, and the air inlet four 004 and the air inlet three 003 cannot form convection, so that the air in the inner cavity of the air control body 300 entering from the air inlet four 004 and the air inlet one 001 enters the air inlet of the fresh air machine from the air outlet 102 of the casing through the air inlet two 002.
When the outdoor temperature is recovered to 18-25 ℃, the controller controls the stepping motor 400 to rotate 90 degrees anticlockwise, so that the air control body 300 is reset, and an air inlet mode of about 70% of outdoor air inlet volume and about 30% of indoor air inlet volume is recovered.
The utility model discloses can realize according to different seasons, according to the indoor outer air inlet proportion of difference in temperature automatically regulated, have simple and practical's advantage, the energy saving.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a wind direction adjusting device for adjusting indoor outdoor air inlet proportion which characterized in that: the air conditioner comprises a shell (100), wherein an outdoor air inlet, an indoor air inlet (101) and a shell air outlet (102) are formed in the shell (100), an air control body (300) is arranged in the shell (100), and the air control body (300) is rotatably connected with the shell (100) through a rotating shaft; be equipped with the regulation shaft hole that the initiative pivot on the air feed accuse body (300) stretches out on casing (100), initiative pivot (301) on the air control body (300) stretch out casing (100) and be connected with air regulation portion, be equipped with little amount of wind ventiduct and big amount of wind ventiduct on the air control body (300) under the effect of air regulation portion the air intake of little amount of wind ventiduct, the air intake of big amount of wind ventiduct correspond the intercommunication with outdoor air intake or indoor air intake (101) respectively.
2. The wind direction adjusting device for adjusting the indoor and outdoor wind inlet ratio as claimed in claim 1, wherein: still include intelligent control module, intelligent control module includes controller, outdoor temperature detect probe, air regulation portion includes step motor (400), the signal output part of outdoor temperature detect probe is connected with the signal input part of controller, the signal output part of controller is connected with the signal control end of step motor (400).
3. The wind direction adjusting device for adjusting the indoor and outdoor wind inlet ratio as claimed in claim 2, wherein: the small air volume air channel comprises a first air opening (001) and a second air opening (002) which is arranged right opposite to the first air opening (001); the large-air-volume air duct comprises a third air opening (003) and a fourth air opening (004) which is arranged right opposite to the third air opening (003); the ratio of the caliber of the first tuyere (001) to the caliber of the second tuyere (002) is 1: 2 to 2.5; the calibers of the second tuyere (002), the third tuyere (003) and the fourth tuyere (004) are the same.
4. A wind direction adjusting device for adjusting the proportion of the indoor and outdoor wind inlet according to claim 3, wherein: the wind control body (300) is of a hollow circular sphere structure, and the central axes of the first air port (001) and the second air port (002) are on the same straight line and penetrate through the sphere center of the wind control body (300);
the central axes of the third air port (003) and the fourth air port (004) are on the same straight line and penetrate through the spherical center of the air control body (300);
the central axes of the first tuyere (001) and the second tuyere (002) are vertical to the central axes of the third tuyere (003) and the fourth tuyere (004).
5. The wind direction adjusting device for adjusting the indoor and outdoor wind inlet ratio as claimed in claim 4, wherein: the axis of the rotating shaft on the wind control body (300) penetrates through the spherical center of the wind control body (300).
6. The wind direction adjusting apparatus for adjusting the ratio of indoor and outdoor wind inlets as claimed in claim 5, wherein: the axis of the rotating shaft on the air control body (300) is a first axis, the central axes of the air inlet I (001) and the air inlet II (002) are second axes, and the central axes of the air inlet III (003) and the air inlet IV (004) are third axes; the first axis, the second axis and the third axis are mutually vertical.
7. The wind direction adjusting device for adjusting the indoor and outdoor wind inlet ratio as claimed in claim 6, wherein: an indoor filter screen is arranged at an indoor air inlet (101) of the shell (100).
8. The wind direction adjusting apparatus for adjusting the ratio of indoor and outdoor wind inlets as claimed in claim 7, wherein: and the shell (100) is provided with a mounting hole for mounting and fixing the stepping motor (400).
9. The wind direction adjusting device for adjusting the proportion of the indoor and outdoor wind inlet according to any one of claims 1 to 8, wherein: an outdoor air inlet of the shell (100) is connected with an air flow box (200), and a fan used for drawing outdoor air into the shell (100) is arranged in the air flow box (200); and two air inlet openings of the air flow box (200) are respectively a first air inlet opening (201) of the air flow box and a second air inlet opening (202) of the air flow box.
10. The wind direction adjusting apparatus for adjusting the ratio of indoor and outdoor wind inlets as claimed in claim 9, wherein: the shell (100) comprises a first shell and a second shell, and the first shell is connected with the second shell in an assembling and disassembling mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020813781.7U CN212274215U (en) | 2020-05-15 | 2020-05-15 | Wind direction adjusting device for adjusting indoor and outdoor air inlet proportion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020813781.7U CN212274215U (en) | 2020-05-15 | 2020-05-15 | Wind direction adjusting device for adjusting indoor and outdoor air inlet proportion |
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| Publication Number | Publication Date |
|---|---|
| CN212274215U true CN212274215U (en) | 2021-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020813781.7U Active CN212274215U (en) | 2020-05-15 | 2020-05-15 | Wind direction adjusting device for adjusting indoor and outdoor air inlet proportion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212274215U (en) |
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2020
- 2020-05-15 CN CN202020813781.7U patent/CN212274215U/en active Active
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Effective date of registration: 20230829 Address after: Building 2, No. 19 Zhuoyue Road, Longxing Town, Liangjiang New Area, Yubei District, Chongqing, 400000 (Room 102, 1st Floor, Digital Innovation Park) Patentee after: Chongqing Xinyu Environmental technology Co.,Ltd. Address before: 471900 No. 1, Xin Cun Industrial Road, Gao Long Town, Yanshi City, Luoyang, Henan. Patentee before: LUOYANG XINYU ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |
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