CN210663224U - High-efficiency energy-saving intelligent wind sensitivity fresh air system - Google Patents
High-efficiency energy-saving intelligent wind sensitivity fresh air system Download PDFInfo
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- CN210663224U CN210663224U CN201921480558.9U CN201921480558U CN210663224U CN 210663224 U CN210663224 U CN 210663224U CN 201921480558 U CN201921480558 U CN 201921480558U CN 210663224 U CN210663224 U CN 210663224U
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Abstract
The utility model provides an energy-efficient intelligent wind sensitivity new trend system relates to the air purification system field. The fresh air system comprises a case, wherein a fresh air inlet, an exhaust outlet, an air supply outlet, an air return inlet and an indoor circulating air inlet are formed in the case; a fresh air purification device and a total heat exchange device are arranged in the case; the indoor circulating air port and the air supply port are arranged on different surfaces of the case; an air inlet fan is arranged at the fresh air inlet, an air exhaust fan is arranged at the air exhaust outlet, and an air supply fan is arranged at the air supply outlet; the fresh air purification device is used for preliminarily filtering outdoor fresh air entering the room from a fresh air inlet, and the total heat exchange device is used for precooling or preheating the fresh air after preliminary filtering. This disclosure is through setting up indoor circulation wind gap on quick-witted case to through carrying out flow and frequency control to the air supply fan that sets up at the supply-air outlet, so that the velocity of flow and the frequency of the air of discharging to each room from the supply-air outlet all are in the most comfortable within range of human body.
Description
Technical Field
The utility model relates to an air purification system field, concretely relates to energy-efficient intelligent wind sensitivity new trend system.
Background
Along with the improvement of people's living standard and quick indoor environment that purifies, people are healthy and comfortable more and more attach attention to building indoor environment, and the new trend system plays key effect as the indispensable product of green healthy comfortable building, and the new trend system has received very big attention as the heart of passive form building and nearly zero energy consumption building more.
However, based on the requirement of energy saving and the limitation of the original fresh air system structure, if the indoor ambient air speed is to be adjusted, the fresh air volume needs to be increased, and the increase of the fresh air volume means the increase of energy consumption, and the increase of the energy consumption is a contradiction with the high-efficiency energy saving advocated at the present stage.
According to the medical field and practical requirements, the human body is comfortable when the wind speed in the indoor environment is 0.2-0.3m/s, and the wind speed needs to be changed irregularly, and the human body is most comfortable when the change frequency is about 0.4 hz.
In order to meet the requirements of wind speed and wind speed change frequency and meet the requirement of energy conservation, the intelligent wind sensitivity fresh air system is efficient and energy-saving.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide an intelligent wind sensitivity fresh air system with high efficiency and energy conservation.
The utility model provides an energy-efficient intelligent wind sensitivity new trend system, its technical scheme is:
the air conditioner comprises a case, wherein a fresh air inlet, an exhaust outlet, an air supply outlet, an air return inlet and an indoor circulating air inlet are formed in the case; a fresh air purification device and a total heat exchange device are arranged in the case; the indoor circulating air port and the air supply port are arranged on different surfaces of the case; an air inlet fan is arranged at the fresh air inlet, an air exhaust fan is arranged at the air exhaust outlet, and an air supply fan is arranged at the air supply outlet; the fresh air purification device is used for preliminarily filtering outdoor fresh air entering the room from a fresh air inlet, and the total heat exchange device is used for precooling or preheating the fresh air after preliminary filtering.
In the embodiment, outdoor fresh air is sucked into the case from a fresh air inlet by the air inlet fan, is primarily filtered by the fresh air purification device, then enters the total heat exchange device for precooling or preheating, and finally is delivered to each room by the air supply fan; meanwhile, indoor dirty air is sucked into the case from an air return opening, energy exchange is carried out through a total heat exchange device, and finally the indoor dirty air after energy exchange is discharged out of the room through an exhaust fan arranged at an exhaust outlet; indoor circulating air enters the case through the indoor circulating air port and is sent to the indoor space through the air supply fan.
According to the air conditioner, the indoor circulating air port is formed in the case, when the cleanliness of indoor air is high, the indoor air enters the case through the indoor circulating air port, after flow and frequency adjustment is carried out through the air supply fan arranged on the air supply port, the flow speed of the air discharged from the air supply port into each room is within 0.2-0.3m/s of the most comfortable air flow speed range of a human body, and meanwhile, the frequency of the air discharged from the air supply port into each room is within 0.4hz or so of the most comfortable air flow speed range of the human body; and, this disclosure is through setting up total heat exchange device in quick-witted incasement, and when indoor dirty air got into quick-witted case through the return air inlet to through the total heat exchange device who sets up in quick-witted case, this total heat exchange device can carry out the energy exchange, when making outdoor fresh air process total heat exchange device once more, this total heat exchange device can preheat or the precooling to outdoor fresh air, thereby effectively improve energy utilization.
In one embodiment, a high-efficiency filter screen is further arranged in the case, and the high-efficiency filter screen is used for performing depth filtration on the preheated or precooled fresh air and the indoor circulating air entering from the indoor circulating air port.
This embodiment is through setting up high-efficient filter screen to carry out depth filter to the outdoor fresh air that gets into from the new trend import and the indoor air that gets into from indoor circulation wind gap, thereby further improve the cleanliness factor of indoor wind.
In one embodiment, a heat exchange bypass valve is arranged at the total heat exchange device; when the indoor outer difference in temperature value is greater than the difference in temperature and predetermines the threshold value, the heat transfer bypass valve is closed, and when the indoor outer difference in temperature value is not more than the difference in temperature and predetermines the threshold value, the heat transfer bypass valve is opened.
This embodiment is through setting up the heat transfer bypass valve in full heat exchange device department, and when the difference in temperature value of indoor outer was greater than the difference in temperature and predetermines the threshold value, the heat transfer bypass valve was opened, and outdoor fresh air does not carry out the precooling or preheat through this full heat exchange device, but directly flows through the heat transfer bypass valve to the energy consumption has been reduced.
In one embodiment, a high efficiency screen bypass valve is disposed at the high efficiency screen; when the outdoor PM2.5 is smaller than the PM2.5 preset threshold value, the high-efficiency filter screen bypass valve is opened; when the outdoor PM2.5 is not less than the PM2.5 preset threshold value, the high-efficiency filter screen bypass valve is closed.
This embodiment is through setting up high-efficient filter screen bypass valve in high-efficient filter screen department, when outdoor fresh air quality is better, opens high-efficient filter screen bypass valve, and outdoor fresh air or indoor circulated air do not carry out depth filter through high-efficient filter screen, but directly flow through high-efficient filter screen bypass valve to the energy consumption has been reduced.
In one embodiment, the fresh air system further comprises a detection device, the detection device comprises a first detection device arranged at the fresh air inlet and a second detection device arranged at the indoor circulating air inlet, the first detection device is used for detecting the quality of outdoor fresh air, and the second detection device is used for detecting the quality of indoor air.
In one embodiment, the first detection device includes a first temperature and humidity sensor and a first PM2.5 sensor; the first temperature and humidity sensor is used for detecting outdoor temperature and humidity and controlling the opening and closing of the heat exchange bypass valve according to the outdoor temperature and humidity; the first PM2.5 sensor is used for detecting outdoor PM2.5 and controlling the opening and closing of the high-efficiency filter screen bypass valve according to the value of the outdoor PM 2.5;
the second detection device comprises a second temperature and humidity sensor, a second PM2.5 sensor and CO2A sensor, and a TVOC sensor; the second temperature and humidity sensor is used for detecting indoor temperature and humidity; the second PM2.5 sensor is used for detecting indoor PM2.5 and controlling the air output of the fan at the air supply opening according to the indoor PM2.5 value and the human body sensible air speed; the CO is2Sensor for detecting indoor CO2In accordance with the content of indoor CO2The content of (b) controls the opening and closing of the fan at the fresh air inlet.
In one embodiment, the fresh air purification device sequentially comprises a filter screen self-cleaning device, a composite filter and a micro-particle condensation device, wherein the filter screen self-cleaning device is arranged close to the fresh air inlet, and the micro-particle condensation device is arranged close to the air supply opening. The fresh air purification device in the embodiment has a self-cleaning function, so that manpower and material resources are saved.
In one embodiment, a guide rail for mounting the total heat exchanger is also arranged in the total heat exchanger.
In one embodiment, the circulating air inlet is arranged at the bottom of the case, and the air supply outlet is arranged at one side part of the case. The present embodiment forms an indoor circulating air duct by disposing the circulating air inlet at the bottom of the cabinet and disposing the air outlet at one side of the cabinet.
In one embodiment, the air volume of the air supply opening is 4-5 times of the air volume of the fresh air inlet, and the air volume of the indoor circulating air opening is 3-5 times of the fresh air inlet component.
In one embodiment, sound attenuating material is disposed within the enclosure.
In one embodiment, the PM2.5 preset threshold is 100ug/m3。
Drawings
Fig. 1 is a schematic structural diagram of an efficient energy-saving intelligent wind sensitivity fresh air system of the present disclosure.
In the figure, 1-cabinet, 2-fresh air purification device, 3-total heat exchange device, 4-air intake fan, 5-exhaust fan, 6-air supply fan, 7-high efficiency filter screen, 8-heat exchange bypass valve, 9-high efficiency filter screen bypass valve, 11-fresh air inlet, 12-exhaust outlet, 13-air supply outlet, 14-air return outlet, 15-indoor circulating air inlet, 16-first detection device, 17-second detection device, 21-filter screen self-cleaning device, 22-composite filter and 23-microparticle condensation device.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
As shown in fig. 1, the high-efficiency energy-saving intelligent wind sensitivity fresh air system provided by this embodiment includes a case 1, and the case 1 is provided with a fresh air inlet 11, an exhaust outlet 12, an air supply outlet 13, an air return inlet 14, and an indoor circulating air inlet 15; a fresh air purification device 2 and a total heat exchange device 3 are arranged in the case 1; the indoor circulating air port 15 and the air supply port 13 are arranged on different surfaces of the case 1; the fresh air inlet 11 is provided with an air inlet fan 4, the exhaust outlet 12 is provided with an exhaust fan 5, and the air supply outlet 13 is provided with an air supply fan 6.
In the embodiment, outdoor fresh air is sucked into the case 1 from the fresh air inlet 11 by the air inlet fan 4, is primarily filtered by the fresh air purification device 2, then enters the total heat exchange device 3 for precooling or preheating, and finally is sent to each room by the air supply fan 6; meanwhile, indoor dirty air is sucked into the case from the air return port 14, energy exchange is carried out through the total heat exchange device 3, and finally the indoor dirty air after energy exchange is discharged out of the room through the exhaust fan 5 arranged at the exhaust outlet 12; indoor circulating air enters the case 1 through an indoor circulating air port 15 and is sent to the indoor through an air supply fan 3.
According to the air conditioner, the indoor circulating air port 15 is arranged on the case 1, when the cleanliness of indoor air is high, the indoor air enters the case through the indoor circulating air port 15, after flow and frequency adjustment is carried out through the air supply fan 6 arranged on the air supply port 13, the flow speed of the air discharged from the air supply port 13 to each room is within 0.2-0.3m/s of the most comfortable air speed range of a human body, and meanwhile, the frequency of the air discharged from the air supply port 13 to each room is within 0.4hz or so of the most comfortable air speed range of the human body; moreover, according to the full heat exchange device 3 arranged in the case, when indoor dirty air enters the case through the air return opening 14 and passes through the full heat exchange device 3 arranged in the case 1, the full heat exchange device 3 can exchange energy, so that when outdoor fresh air passes through the full heat exchange device 3 again, the full heat exchange device 3 can preheat or precool the outdoor fresh air, and the energy utilization rate is effectively improved.
In a preferred embodiment, as shown in fig. 1, a high-efficiency filter screen 7 is further disposed in the cabinet 1, and the high-efficiency filter screen 7 is used for performing depth filtration on the fresh air after preheating or precooling and the indoor circulating air entering from the indoor circulating air inlet. This embodiment is through setting up high-efficient filter screen 7 to carry out deep filtration to the outdoor fresh air that gets into from new trend import 11, and the indoor air that gets into from indoor circulating air mouth 15, thereby further improve the cleanliness factor of indoor wind.
In the embodiment, when the quality of outdoor fresh air is poor, the outdoor fresh air is sucked into the case 1 from the fresh air inlet 11 by the air inlet fan 4, is primarily filtered by the fresh air purification device 2, then enters the total heat exchange device 3 for preheating or precooling, then enters the high-efficiency filter screen 7 for deep filtration, and finally is sent to each room by the air supply fan 6 after being primarily filtered, preheated or precooled and deeply filtered; indoor air enters the case 1 through the indoor circulating air port 15, is filtered by the high-efficiency filter screen 7, and is subjected to flow and frequency adjustment by the air supply fan 6, so that the flow rate of the air discharged from the air supply port 13 into each room is within 0.2-0.3m/s of the most comfortable air flow rate range of a human body, and the frequency of the air discharged from the air supply port 13 into each room is about 0.4hz of the most comfortable air flow rate range of the human body. In the disclosure, the flow and frequency of the air supply fan can be adjusted through automatic or manual control.
In one example, as shown in fig. 1, a heat exchange bypass valve 8 is provided at the total heat exchange device 3; when the indoor and outdoor temperature difference value is greater than the preset temperature difference threshold, the heat exchange bypass valve 8 is closed, and when the indoor and outdoor temperature difference value is not greater than the preset temperature difference threshold, the heat exchange bypass valve 8 is opened.
Wherein, this difference in temperature preset threshold value in this embodiment can be set up artificially, and this embodiment sets up the difference in temperature preset threshold value to be 10 ℃.
Specifically, in this embodiment, when the indoor outer difference in temperature value is greater than the difference in temperature preset threshold value, for example in hot summer, outdoor temperature is very high, and indoor temperature ratio is lower, and indoor outer difference in temperature value is mostly more than 10 ℃, or, in chilly winter, outdoor temperature is very low, and indoor temperature is higher, and indoor outer difference in temperature value is also more than 10 ℃, and at this moment, if carry out precooling or preheating to outdoor fresh air through this total heat exchange device 3, this will increase the windage, and then increase the energy consumption. This embodiment is through setting up heat transfer bypass valve 8 in full heat exchange device 3 department, and when the difference in temperature value indoor outer was greater than the difference in temperature and predetermines the threshold value, heat transfer bypass valve 8 was opened, and outdoor fresh air does not carry out the precooling or preheat through this full heat exchange device 3, but directly flows through heat transfer bypass valve 9 to the energy consumption has been reduced.
In some embodiments, an efficient screen bypass valve 9 is provided at the efficient screen; when the outdoor PM2.5 is smaller than the PM2.5 preset threshold value, the high-efficiency filter screen bypass valve 9 is opened; when the outdoor PM2.5 is not less than the PM2.5 preset threshold, which may be artificially set, the high efficiency strainer bypass valve 9 is closed.
Wherein, this temperature difference preset threshold value in this embodiment can be set artificially, and this embodiment sets the temperature difference preset threshold value to be 100ug/m3。
In particular, when the outdoor fresh air quality is good, the PM2.5 value is lower than 100ug/m3When the time, it is unnecessary to carry out depth filtration to outdoor fresh air again, and consequently, this embodiment is through setting up high-efficient filter screen bypass valve 9 in high-efficient filter screen 7 department, when outdoor fresh air quality is better, opens high-efficient filter screen bypass valve 9, and outdoor fresh air or indoor circulated air do not carry out depth filtration through high-efficient filter screen 7, but directly flow through high-efficient filter screen bypass valve 9 to the energy consumption has been reduced.
In a preferred embodiment, the fresh air system further comprises a detection device, the detection device comprises a first detection device 16 arranged at the fresh air inlet 11 and a second detection device 17 arranged at the indoor circulating air opening 15, the first detection device 16 is used for detecting the quality of the outdoor fresh air, and the second detection device 17 is used for detecting the quality of the indoor air.
In a preferred embodiment, the first detecting device 16 includes a first temperature and humidity sensor and a first PM2.5 sensor; the first temperature and humidity sensor is used for detecting outdoor temperature and humidity and controlling the opening and closing of the heat exchange bypass valve according to the outdoor temperature and humidity; the first PM2.5 sensor is used for detecting outdoor PM2.5 and controlling the opening and closing of the high-efficiency filter screen bypass valve according to the value of the outdoor PM 2.5;
the second detection device 17 includes a second temperature and humidity sensor, a second PM2.5 sensor, a CO2 sensor, and a TVOC sensor; the second temperature and humidity sensor is used for detecting the indoor temperature and humidity; the second PM2.5 sensor is used for detecting indoor PM2.5 and controlling the air output of the fan at the air supply opening according to the indoor PM2.5 value and the human body sensible air speed; CO22Sensor for detecting indoor CO2In accordance with the content of indoor CO2The content of (b) controls the opening and closing of the fan at the fresh air inlet.
In one embodiment, the fresh air purifying device 2 sequentially comprises a filter screen self-cleaning device 21, a composite filter 22 and a micro-particle agglomeration device 23, wherein the filter screen self-cleaning device 21 is arranged near the fresh air inlet 11, and the micro-particle agglomeration device 23 is arranged near the air supply outlet 13. The new trend purifier of this embodiment can carry out tertiary filtration to outdoor fresh air, has fully guaranteed to get into indoor air quality, and wherein the device of condensing can condense granule below PM2.5, and the purification chamber can strain the granule more than PM0.3, has improved the filtration efficiency of particulate matter by a wide margin, and under the equal air quality environment, the new trend system of this embodiment only need shorter operating time can reach good air purification effect to reach energy-conserving purpose.
In one embodiment, a guide rail for installing the total heat exchanger is further arranged in the total heat exchange device, and a sealing strip is installed between the total heat exchanger and the guide rail.
In one embodiment, insulation cotton and sound attenuation materials are arranged in the case. The heat-preservation cotton inner pasting process is adopted, so that the energy loss is effectively reduced.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (10)
1. An efficient and energy-saving intelligent wind sensitivity fresh air system is characterized by comprising a case, wherein a fresh air inlet, an air exhaust outlet, an air supply outlet, an air return inlet and an indoor circulating air inlet are formed in the case; a fresh air purification device and a total heat exchange device are arranged in the case; the indoor circulating air port and the air supply port are arranged on different surfaces of the case; an air inlet fan is arranged at the fresh air inlet, an air exhaust fan is arranged at the air exhaust outlet, and an air supply fan is arranged at the air supply outlet; the fresh air purification device is used for preliminarily filtering outdoor fresh air entering the room from a fresh air inlet, and the total heat exchange device is used for precooling or preheating the fresh air after preliminary filtering.
2. The efficient and energy-saving intelligent wind sensitivity fresh air system according to claim 1, wherein an efficient filter screen is further arranged in the case, and the efficient filter screen is used for performing depth filtration on the preheated or precooled fresh air and the indoor circulating air entering from the indoor circulating air inlet.
3. The efficient and energy-saving intelligent wind sensitivity fresh air system according to claim 1, wherein a heat exchange bypass valve is arranged at the total heat exchange device; when the indoor outer difference in temperature value is greater than the difference in temperature and predetermines the threshold value, the heat transfer bypass valve is closed, and when the indoor outer difference in temperature value is not more than the difference in temperature and predetermines the threshold value, the heat transfer bypass valve is opened.
4. The energy-efficient intelligent wind sensitivity fresh air system according to claim 2, wherein an efficient screen bypass valve is arranged at the efficient screen; when the outdoor PM2.5 is smaller than the PM2.5 preset threshold value, the high-efficiency filter screen bypass valve is opened; when the outdoor PM2.5 is not less than the PM2.5 preset threshold value, the high-efficiency filter screen bypass valve is closed.
5. The energy-efficient intelligent wind sensitivity fresh air system according to claim 4, further comprising a detection device, wherein the detection device comprises a first detection device arranged at the fresh air inlet and a second detection device arranged at the indoor circulating air inlet, the first detection device is used for detecting the quality of outdoor fresh air, and the second detection device is used for detecting the quality of indoor air.
6. The energy-efficient intelligent wind sensitivity fresh air system according to claim 5,
the first detection device comprises a first temperature and humidity sensor and a first PM2.5 sensor; the first temperature and humidity sensor is used for detecting outdoor temperature and humidity and controlling the opening and closing of the heat exchange bypass valve according to the outdoor temperature and humidity; the first PM2.5 sensor is used for detecting outdoor PM2.5 and controlling the opening and closing of the high-efficiency filter screen bypass valve according to the value of the outdoor PM 2.5;
the second detection device comprises a second temperature and humidity sensor, a second PM2.5 sensor and CO2A sensor, and a TVOC sensor; the second temperature and humidity sensor is used for detecting indoor temperature and humidity; the second PM2.5 sensor is used for detecting indoor PM2.5 and controlling the air output of the fan at the air supply opening according to the indoor PM2.5 value and the human body sensible air speed; the CO is2Sensor for detecting indoor CO2In accordance with the content of indoor CO2The content of (b) controls the opening and closing of the fan at the fresh air inlet.
7. The energy-efficient intelligent wind sensitivity fresh air system according to any one of claims 1-6, wherein the fresh air purification device comprises a filter screen self-cleaning device, a composite filter and a micro-particle agglomeration device in sequence, the filter screen self-cleaning device is arranged near the fresh air inlet, and the micro-particle agglomeration device is arranged near the air supply outlet.
8. The efficient energy-saving intelligent wind sensitivity fresh air system according to claim 7, wherein a guide rail for installing a total heat exchanger is further arranged in the total heat exchanger, and a sealing strip is installed between the total heat exchanger and the guide rail.
9. The efficient energy-saving intelligent wind sensitivity fresh air system according to claim 7, wherein heat preservation cotton and noise reduction materials are arranged in the machine case.
10. The energy-efficient intelligent wind sensitivity fresh air system according to claim 4, wherein the PM2.5 preset threshold is 100ug/m3。
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| Application Number | Priority Date | Filing Date | Title |
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| CN2019214464033 | 2019-09-02 | ||
| CN201921446403 | 2019-09-02 |
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| CN210663224U true CN210663224U (en) | 2020-06-02 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112524727A (en) * | 2019-09-02 | 2021-03-19 | 中洁环境科技(西安)集团有限公司 | High-efficiency energy-saving intelligent wind sensitivity fresh air system |
| CN114151860A (en) * | 2021-12-03 | 2022-03-08 | 珠海格力电器股份有限公司 | Fresh air conditioner and control method thereof |
-
2019
- 2019-09-06 CN CN201921480558.9U patent/CN210663224U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112524727A (en) * | 2019-09-02 | 2021-03-19 | 中洁环境科技(西安)集团有限公司 | High-efficiency energy-saving intelligent wind sensitivity fresh air system |
| CN114151860A (en) * | 2021-12-03 | 2022-03-08 | 珠海格力电器股份有限公司 | Fresh air conditioner and control method thereof |
| CN114151860B (en) * | 2021-12-03 | 2023-01-06 | 珠海格力电器股份有限公司 | Fresh air conditioner and control method thereof |
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Denomination of utility model: High efficiency and energy saving intelligent fresh air system with wind sensitivity Effective date of registration: 20210531 Granted publication date: 20200602 Pledgee: Xi'an investment and financing Company limited by guarantee Pledgor: Zhongjie Environmental Technology (Xi'an) Group Co.,Ltd. Registration number: Y2021610000123 |
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Date of cancellation: 20220614 Granted publication date: 20200602 Pledgee: Xi'an investment and financing Company limited by guarantee Pledgor: Zhongjie Environmental Technology (Xi'an) Group Co.,Ltd. Registration number: Y2021610000123 |
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Effective date of registration: 20230330 Address after: 200135 North side of 2nd floor, Building 3, 2728, 2828 Canghai Road, Lingang New Area, China (Shanghai) Free Trade Pilot Zone, Pudong New Area, Shanghai Patentee after: Shanghai Runchao Air Equipment Co.,Ltd. Address before: Room 1203, Qujiang international building, 2216 Yanta South Road, Yanta District, Xi'an City, Shaanxi Province, 710061 Patentee before: Zhongjie Environmental Technology (Xi'an) Group Co.,Ltd. |