CN207335078U - Without the full room central purge fresh air system of pipeline - Google Patents
Without the full room central purge fresh air system of pipeline Download PDFInfo
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- CN207335078U CN207335078U CN201721017896.XU CN201721017896U CN207335078U CN 207335078 U CN207335078 U CN 207335078U CN 201721017896 U CN201721017896 U CN 201721017896U CN 207335078 U CN207335078 U CN 207335078U
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- 238000010926 purge Methods 0.000 title abstract 2
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 4
- 230000002708 enhancing effect Effects 0.000 claims abstract description 4
- 238000009423 ventilation Methods 0.000 claims description 46
- 238000001514 detection method Methods 0.000 claims description 21
- 238000000746 purification Methods 0.000 claims description 13
- 238000004887 air purification Methods 0.000 claims description 8
- 238000011084 recovery Methods 0.000 claims description 6
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 26
- 238000009434 installation Methods 0.000 description 9
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- 229910002092 carbon dioxide Inorganic materials 0.000 description 5
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
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- 230000036541 health Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model is one kind without the full room central purge fresh air system of pipeline, it is installed in building, including one or more host devices and one or more supercharging trunkings set for enhancing air flow, the host device enters interior wall from external wall perforation simultaneously can be installed on the wall of inner side or be embedded in the wall of inner side or be embedded on window；The supercharging trunking can be installed on the top of OR gate below partition wall or beam on inner wall of building, and by external and internal pressure conversion, using the building, chummery or interregional gap do not carry out air exchange.
Description
Technical Field
The utility model relates to an air purification and new trend technical field especially relate to a no pipeline whole room central purification new trend system for in building.
Background
Along with the deterioration of living environment, the air quality relying on survival is more and more taken important by people, so various fresh air systems are born to realize continuous fresh air circulation in buildings, and the existing fresh air systems mainly fall into two categories: one type is a fresh air device which does not need to be provided with a pipeline but can only solve one room or a limited area, such as a wall-mounted fresh air fan, and because the fresh air device is possibly placed in a bedroom or the like, the power cannot be improved due to the limitation of noise and air volume, and the ventilation and purification effect is not obvious; or cabinet type fresh air is large in size like a cabinet type air conditioner, can solve the problem of air quality and replacement in a slightly larger area, is not beneficial to placement due to the large size, and cannot purify each room efficiently in the aspect of air treatment; and the other type can solve the problems of troublesome installation and beam penetration and hole punching caused by ventilation of each room of the whole house but the need of installing pipelines to each room, namely ceiling air supply or ground air supply.
In addition, the existing fresh air technology is that one or more fresh air main machines are used as an air processing mechanism, the core technology is that a single or a plurality of motors are used as air operation power, a heat exchange core is used as a heat recovery component, a filter screen is used for purifying and filtering the quality of processed air, when the pipeline type installation is adopted, an outdoor pipeline is generally led to the outside from a certain indoor room (generally concentrated in a kitchen, a toilet and a balcony), and the part led to the outside generally adopts three types: 1. two pipelines, one inlet and one outlet; 2. the middle of the pipeline is divided into two layers by a partition layer, so that one pipeline is ensured to be fed in and one pipeline is ensured to be discharged out; 3. a pipeline directly links to each other with the host computer (some pipelines are itself just on the host computer), and the motor is at different time quantums, and positive and negative two directions are not regularly operated, guarantee that a time quantum is admitted air, and another time quantum is given vent to anger. The indoor pipelines are also divided into two types, one type is provided with pipelines, two main pipelines are divided from the host equipment, one main pipeline enters the other row, and in branch pipelines divided into each room, an air inlet pipe is used for supplying air from the ceiling in a way of going away from the pipelines to the top; sending air by calling ground through a pipeline on the ground; and the two are combined, and one part of the air flows through the suspended ceiling and then flows to the groove on the wall surface, so that the air supply is called wall air supply. The air outlet (return) port is branched to return air in each room (row), and the air outlet is arranged in the middle position and is centralized. The other type is that the host machine has an air inlet port and an air exhaust port like a wall-mounted air conditioner, and does not need to be additionally connected with a pipeline, or the host machine is hung on a wall or placed on the ground.
As can be seen from the above description, the disadvantages of the prior art are: the existing fresh air system cannot give consideration to both. The existing pipeline fresh air system can ensure the whole house purification only by installing pipelines before decoration; the existing pipeline fresh air system is relatively complete in air treatment compared with a pipeline-free fresh air system, but can only be applied to the prior decoration or the prior secondary decoration and transformation, the transformation is large after the decoration, the requirement on the construction difficulty of a suspended ceiling and the ground is high, and customers are difficult to accept and are also not willing to accept large-area transformation. The flexible pipe is also partially modified, but the static pressure loss of the equipment is large, and the noise problem is generated. And current no pipeline new trend, because self admission line and power, the whole room of restriction such as noise purifies can't be accomplished, current no pipeline new trend (wall-hanging new trend), because the size influence of self admission line, can only the local installation, can't accomplish the whole room to air treatment and purify, similar cabinet type new trend has increaseed the power of the unit of no pipeline, nevertheless under the limited condition of air input, even increaseed power, it is also limited to promote purifying effect, except that self volume is too big be unfavorable for putting, noise scheduling problem also can't be solved, in case close each room door night, can't accomplish the whole room purification more.
Thus, if full house ventilation is desired, each room needs to be piped, whereas if it is not piped, ventilation can only be achieved for one room or limited area. Therefore, a fresh air system which can be installed without a pipeline and can realize high-quality air filtration in the whole area of the whole house is urgently needed.
Disclosure of Invention
The utility model aims at providing a no pipeline whole house central authorities purify new trend system solves the technical problem that prior art exists, realizes no pipeline installation and obtains the air of high-quality purification.
The utility model provides a technical problem adopt following technical scheme: a pipeless whole-house central fresh air purification system is installed in a building and comprises one or more host devices and one or more pressurization relay devices for enhancing air flow, wherein the host devices penetrate into an inner wall from an outer wall of the building and can be installed on the inner wall or embedded in a window; the supercharging relay equipment can be arranged below a partition wall or a beam on the inner wall of a building or above a door, and air exchange is carried out by utilizing gaps among different rooms or areas of the building through internal and external pressure conversion.
The host equipment at least comprises an indoor air detection component, a central data processing and control component and a ventilation component; wherein,
the indoor air detection component is used for detecting air quality parameters inside the building and sending the air quality parameters to the central data processing and control component;
the central data processing and controlling component is used for receiving the air quality parameter information transmitted by the indoor air detecting component, comparing the received parameter information according to the set parameter value, generating a control instruction and transmitting the control instruction to the ventilation component to perform corresponding operation at different wind speeds;
the ventilation component is used for performing ventilation at different wind speeds according to the control instruction transmitted by the central data processing and controlling component;
the supercharging relay device at least comprises an air quality detection part, a signal processing and control part and a relay ventilation part, wherein
The air quality detection component is used for detecting indoor air quality parameters and transmitting the indoor air quality parameters to the signal processing and control component;
the signal processing and control component is used for receiving the parameter information transmitted by the air quality detection equipment and controlling the relay ventilation component (such as a fan and the like) to operate at different wind speeds so as to achieve intelligent comfortable ventilation of a single room or area;
the relay ventilation component is used for receiving the control instruction transmitted by the signal processing and control component to carry out intelligent comfortable ventilation of the responsible room or area.
Optionally, the host device further includes an air quality processing unit for performing quality processing on the incoming air, and the air quality processing unit includes a filter screen, a heat exchange core, and other elements for processing the air quality.
The ventilation component is a fan.
Optionally, the central data processing and controlling component has a data interface and can be connected with a cloud server, and the cloud server transmits data to a centralized control system or a mobile phone user terminal in an intelligent home and receives a control instruction of the centralized control system or the mobile phone user terminal.
Optionally, the host device further comprises a heat recovery unit for recovering heat of the air in the room.
The utility model discloses following beneficial effect has:
the utility model discloses a no pipeline whole house central authorities new trend system can solve the technical problem that exists among the prior art, both can carry out the new trend of every room in whole house and take a breath and purify, can need not to wear the roof beam again and punch and avoid the destruction to house structure, still saved installation time and expense. The utility model discloses both can use in the building before new decoration or the secondary decoration, also can be in the existing building transformation that need not to do great decoration change but can realize whole house purification new trend effect, convenient nimble, use extensively.
Drawings
FIG. 1 is a block diagram of the central fresh air system for the ductless whole house purification of the present invention;
fig. 2 is a schematic view of the linkage of the host equipment and the pressurization relay equipment of the ductless whole-house central fresh air purification system of the present invention;
FIG. 3 is a schematic structural view of a host device of the central fresh air purification system of the whole house without pipes of the present invention;
fig. 4 is the structural schematic diagram of the pressurization relay device of the ductless whole-house central fresh air purification system of the utility model.
Detailed Description
The technical solution of the present invention will be further explained with reference to the following embodiments and accompanying drawings.
According to the fresh air design requirement of national standard, the room is ventilated for 0.5-1 time per hour or each person is ventilated for 30 cubic meters per hour, the standards are the conventional standards under normal working conditions, namely the indexes such as oxygen required by normal breathing of the person are simply considered, and the standard is not only CO in real life2The concentration problem of (2), such as PM2.5 harm to people, unavoidable decoration formaldehyde harm, humidity change inadaptability to human bodies, volatilization of TVOC (total volatile organic compound), and the like, and in practical application, the air change generated by different residence time of each house is different, such as the people flow in a living room in daytime is increased, the time in a bedroom is longer at night, especially the time in a bedroom of children is longer, required high-quality air is provided according to the change of air quality under the actual working condition, and for example, in particular to some cities with developed economy, the air is continuously filtered to the indoor under the condition that the outdoor air quality is reduced to be extremely bad, even if the filtering effect of a host is good, the filtering effect is greatly reduced, and under the actual working condition, the outdoor dirty air entering is reduced as much as possible on the basis of ensuring the reasonable and safe indoor relative data. Consequently the utility model discloses a system adopts intellectual detection system control to through the setting that does not have the pipeline, carry out high-quality circulation to the air and purify.
The utility model provides a non-pipeline whole-house central fresh air purification system, which is arranged in a building and comprises one or more host devices and one or more supercharging relay devices for enhancing air flow, wherein the host devices penetrate through the outer wall of the building and enter the inner wall and can be arranged on the inner wall or embedded in the inner wall or embedded on a window; the supercharging relay equipment can be arranged below a partition wall or a beam on the inner wall of a building or above a door, and air exchange is carried out by utilizing gaps among different rooms or areas of the building through internal and external pressure conversion. As shown in fig. 1, the host device of the present invention at least includes an indoor air detecting part, a central data processing and controlling part, and a ventilation part; the indoor air detection component is used for detecting air quality parameters inside the building and sending the air quality parameters to the central data processing and control component; the central data processing and controlling component is used for receiving the air quality parameter information transmitted by the indoor air detecting component, comparing the received parameter information according to the set parameter value, generating a control instruction and transmitting the control instruction to the ventilation component to perform corresponding operation at different wind speeds; the ventilation component is used for performing ventilation at different wind speeds according to the control instruction transmitted by the central data processing and controlling component; the supercharging relay equipment at least comprises an air quality detection part, a signal processing and control part and a relay ventilation part, wherein the air quality detection part is used for detecting indoor air quality parameters and transmitting the indoor air quality parameters to the signal processing and control part; the signal processing and control component is used for receiving the parameter information transmitted by the air quality detection equipment and controlling the relay ventilation component to operate at different wind speeds so as to achieve intelligent comfortable ventilation of a single room or area; the relay ventilation component is used for receiving the control instruction transmitted by the signal processing and control component to carry out intelligent comfortable ventilation of the responsible room or area.
The embodiment of the utility model provides an in host computer equipment still include air quality processing part for carry out the quality processing to the air that gets into, air quality processing part is filter screen and heat exchange core and other elements that carry out the processing to the air quality. The ventilation component is a fan. The central data processing and control component is provided with a data interface which can be connected with a cloud server, and transmits data to a centralized control system or a mobile phone user terminal in an intelligent home through the cloud server and receives a control instruction of the centralized control system or the mobile phone user terminal. The host device further includes a heat recovery part for recovering heat of the air in the room. The embodiment of the utility model provides an in, host computer equipment still include heat recovery equipment for retrieve the heat that keeps the room air, with the calorific loss who avoids causing among the air cycle purification process, and heat recovery technique can adopt current technique to further realize.
The embodiment of the utility model provides an in, can include multiple detection electronic component in outdoor and the indoor air quality detection equipment among the host computer equipment, like PM2.5, formaldehyde, TVOC, CO2Temperature, humidity, air pressure and the like, which can be realized by using the existing components, and therefore the specific circuit configuration and structure are not described herein again.
With reference to fig. 2 and 3, the air circulation channel of the host device of the air circulation system of the present invention is schematically illustrated, and the host device is disposed in the wall body, and only needs to use the wall hole of itself, and the characteristics of the air circulation itself and the ventilation device perform air circulation without laying pipes. And reform transform the condition in order to adapt to various installations, the utility model discloses a pipe connection system among the prior art is also taken into account simultaneously to the host computer equipment, as supplementary condition when needs installation pipeline. In the present embodiment, fig. 2 only shows an example of one air flow direction, and the direction may be opposite to the direction in the drawing. Referring to the structure of the supercharging relay device shown in fig. 4, the supercharging relay device is embedded on the wall 1 and above the door 4, the supercharging relay device may be composed of a wind wheel and a motor 2, and an operation panel 3 capable of detecting PM2.5, formaldehyde, TVOC and carbon dioxide, a temperature and humidity sensor and automatic control is built in the supercharging relay device.
When using the utility model discloses a during the system, host computer equipment's effect is carried the fresh air through handling indoor, replaces indoor dirty air to outdoor, specifically is to detect the inside air quality parameter of building by the indoor air detection part in the systemThe central data processing and controlling part receives the air quality parameter information transmitted by the indoor air detecting part, compares the received parameter information according to the set parameter value, generates a control instruction and transmits the control instruction to the air exchanging part to operate at different corresponding wind speeds; the ventilation component carries out ventilation at different wind speeds according to the control instruction transmitted by the central data processing and controlling component; the air quality detection component of the supercharging relay equipment in the system detects the indoor air quality parameters and transmits the indoor air quality parameters to the signal processing and control component, and the detected parameters comprise PM2.5, formaldehyde, TVOC and CO2Temperature, humidity, air pressure, etc., which can be realized by using the existing electronic components and circuits, and are not described herein again; the signal processing and control component receives the parameter information transmitted by the air quality detection equipment and controls the relay ventilation component to operate at different wind speeds, so that intelligent comfortable ventilation of a single room or area is achieved; the relay ventilation component is used for receiving the control instruction transmitted by the signal processing and control component to carry out intelligent comfortable ventilation of the responsible room or area. In this embodiment, the host device may further include an air quality processing component, in this embodiment, a filter screen and a heat exchange core, and other components for processing air quality, so as to improve the indoor air quality. In this embodiment, the ventilation component can realize forward rotation, reverse rotation, acceleration and deceleration according to the control command to change the air circulation direction and speed, thereby adjusting the air quality. The relay ventilation component in the embodiment can also be a ventilation fan which runs in forward direction, reverse direction, high speed, medium speed and low speed, and the purpose of whole house purification can be achieved by action of receiving a large control command.
The scheme of the utility model is further explained by adopting several specific application scenes and using effects below:
in a large space, such as a large office space, divided into several small spatial areas, such as offices or meetingsConference rooms and the like, wherein the host equipment is arranged on the public space and the outdoor wall, and the supercharging relay equipment is arranged on the public space and the indoor wall of the small space; the non-pipeline host machine equipment is arranged in the public space and used for delivering the treated outdoor fresh air to the public space, and the specific process is as described above; when the pressurized relay device detects that the air index of the small space does not reach the standard (according to the standard setting: CO)2The concentration is controlled to be above 800 PPM; PM2.5 is controlled at 30 mu g/M3The above; formaldehyde 0.08mg/m3The following; TVOC0.6mg/m3Etc.), automatically starting equipment, such as a ventilator of ventilation equipment, transmitting fresh and clean air in a public space to a small space to generate micro-positive pressure, and discharging dirty air through positions such as a door seam; or the supercharging relay equipment reversely runs according to requirements, negative pressure is formed in the small space, fresh and clean air enters from positions such as a door slot, dirty air is discharged from the public space of the supercharging relay equipment and then is discharged to the outside by the host equipment. The utility model discloses a system is dynamic balance system, after the detection parameter that collects host computer and each relay system, makes intelligent selection, coordinates host computer and pressure boost relay device's operation, guarantees each item air data (CO) on the basis that accords with the aerodynamic principle2The concentration is controlled below 800 PPM; PM2.5 is controlled at 30 mu g/M3The following; formaldehyde 0.08mg/m3The following; TVOC0.6mg/m3The following; temperature, humidity, etc.) are maintained at the optimum level.
In an embodiment of the present invention, when comparing indoor and outdoor air quality, the host device and each relay system are detecting indoor CO once outdoor air quality falls to a worse time (e.g., PM2.5 data 500 or more)2Under the working condition that the numerical values of formaldehyde and the like are in a reasonable range (CO)2The concentration is controlled below 800 PPM; PM2.5 is controlled below 30 mu g/M3; formaldehyde 0.08mg/m3The following; TVOC0.6mg/m3 or less; temperature, humidity, etc.), the central data processing device may automatically adjust the host device to an internal circulation mode (for the circulation mode, it may be implemented by using the existing technology, and will not be described herein again), centralize the indoor air quality, and detect CO2And when the numerical value of the formaldehyde and the fresh air exceeds the standard, starting an external circulating system of the fresh air main machine, supplementing oxygen and discharging the formaldehyde to a reasonable range, and setting the minimum time unit to be 40 minutes according to the requirement.
The system of the embodiment also realizes humidity control of the basement, when the humidity data of the pressurization relay equipment is detected to be larger than the standard data, the central data processing part of the host equipment starts corresponding dehumidifier equipment to process the data of the corresponding basement space in a wired or wireless mode, and when the humidity difference between the basement and other floors is detected, the pressurization relay equipment can utilize other indoor spaces and the basement space to perform air internal circulation, so that the dehumidification effect can be realized without a dehumidifier. Once the host device detects that the outdoor humidity is continuously greater than the indoor humidity (on a greenday), the central data processing device of the host device starts the dehumidifier and the internal circulation system to reduce the humidity of the whole house to a reasonable level, and the external circulation system ensures the reasonability of other air data. The humidification is also based on the above principle.
In addition, during night sleep time, the utility model discloses a system detects the CO in certain region2Continuously increasing, the pressurizing relay equipment can close other CO when the operation of minimum wind speed and low noise is kept according to the instruction sent by the central data processing equipment2And a room relay system with constant value adjusts the air pressure balance to increase the oxygen content of the area, and simultaneously monitors the reasonability of other values.
The central data processing equipment adjusts the wind speed of the host and the supercharging relay equipment and is matched with the data of the air pressure sensing element, so that the micro-positive pressure is achieved in the whole room, and even if the window and the door of the room are sealed and careless, the continuous supply of fresh air can be ensured.
In addition, in order to use conveniently, the system of the utility model can take the pipeline system into consideration, the exhaust and the fresh air both have the pipeline connecting port, and the dirty air (kitchen and toilet) can be discharged under the condition that the pipeline allows; meanwhile, fresh air can be sent to a closed space (such as a basement, an attic and the like) in a pipeline mode.
The utility model discloses a system can realize whole house fresh air take a breath and purify, improves the travelling comfort of living, and healthy protection does not have the dead angle, and CO2The concentration is controlled below 800PPM, and the PM2.5 is controlled at 30 mu g/M3Below, formaldehyde 0.08mg/m3Hereinafter, TVOC0.6mg/m3(ii) a The installation of the pipeline is not needed, so that the installation time and cost of the pipeline (about 50 percent of the manufacturing cost of the whole system) are saved, and the cost and time for installing the decorative suspended ceiling for hiding the ventilation pipeline are further saved; the beam penetration and the punching are not needed, so that the damage to the house structure is avoided, and the living safety is improved; the system can be used for controlling the air quality (PM2.5, CO) of each room or independent area2Formaldehyde, TVOC, etc.) to achieve the best balance between energy conservation and the maximum protection for human health of the whole central fresh air system without pipelines.
The sequence of the above embodiments is only for convenience of description and does not represent the advantages and disadvantages of the embodiments.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (6)
1. A pipeless whole-house central fresh air purification system is installed in a building and is characterized by comprising one or more host devices and one or more pressurization relay devices for enhancing air flow, wherein the host devices penetrate through an outer wall of the building to enter an inner wall and can be installed on the inner wall or embedded in a window; the supercharging relay equipment is arranged below a partition wall or a beam on the inner wall of a building or above a door, and air exchange is carried out by utilizing gaps among different rooms or areas of the building through internal and external pressure conversion.
2. The ductless whole house central purification fresh air system as claimed in claim 1, wherein said host device comprises at least an indoor air detection unit, a central data processing and control unit, and a ventilation unit; wherein,
the indoor air detection component is used for detecting air quality parameters inside the building and sending the air quality parameters to the central data processing and control component;
the central data processing and controlling component is used for receiving the air quality parameter information transmitted by the indoor air detecting component, comparing the received parameter information according to the set parameter value, generating a control instruction and transmitting the control instruction to the ventilation component to perform corresponding operation at different wind speeds;
the ventilation component is used for performing ventilation at different wind speeds according to the control instruction transmitted by the central data processing and controlling component;
the supercharging relay device at least comprises an air quality detection part, a signal processing and control part and a relay ventilation part, wherein
The air quality detection component is used for detecting indoor air quality parameters and transmitting the indoor air quality parameters to the signal processing and control component;
the signal processing and control component is used for receiving the parameter information transmitted by the air quality detection equipment and controlling the relay ventilation component to operate at different wind speeds so as to achieve intelligent comfortable ventilation of a single room or area;
the relay ventilation component is used for receiving the control instruction transmitted by the signal processing and control component to carry out intelligent comfortable ventilation of the responsible room or area.
3. The ductless whole house central purification fresh air system as claimed in claim 2, wherein the host device further comprises an air quality processing unit for quality processing of the incoming air, the air quality processing unit being a filter screen and a heat exchange core.
4. The ductless whole house central purification fresh air system as claimed in claim 2, wherein the ventilation means is a fan.
5. The ductless whole-house central fresh air purification system according to claim 1, wherein the central data processing and control unit has a data interface connected to a cloud server, and transmits data to a centralized control system in a smart home and receives control commands from the centralized control system through the cloud server.
6. The ductless full house central purification fresh air system as in claim 1, wherein said host unit further comprises a heat recovery unit for recovering heat from the air in the room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721017896.XU CN207335078U (en) | 2017-08-15 | 2017-08-15 | Without the full room central purge fresh air system of pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721017896.XU CN207335078U (en) | 2017-08-15 | 2017-08-15 | Without the full room central purge fresh air system of pipeline |
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| Publication Number | Publication Date |
|---|---|
| CN207335078U true CN207335078U (en) | 2018-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721017896.XU Expired - Fee Related CN207335078U (en) | 2017-08-15 | 2017-08-15 | Without the full room central purge fresh air system of pipeline |
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| CN (1) | CN207335078U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107328063A (en) * | 2017-08-15 | 2017-11-07 | 莱茵堡科技发展（北京）有限公司 | Without the full room central purge VMC of pipeline |
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2017
- 2017-08-15 CN CN201721017896.XU patent/CN207335078U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107328063A (en) * | 2017-08-15 | 2017-11-07 | 莱茵堡科技发展（北京）有限公司 | Without the full room central purge VMC of pipeline |
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