CN217109882U

CN217109882U - Fresh air control system for controlling concentration of carbon dioxide

Info

Publication number: CN217109882U
Application number: CN202221038033.1U
Authority: CN
Inventors: 徐允宜; 何昕漾
Original assignee: Nanjing Wanxiang Weijia Hvac Technology Co ltd
Current assignee: Nanjing Wanxiang Weijia Hvac Technology Co ltd
Priority date: 2022-04-26
Filing date: 2022-04-26
Publication date: 2022-08-02
Anticipated expiration: 2032-04-26

Abstract

The utility model discloses a fresh air control system of control carbon dioxide concentration relates to building ventilation technical field. Including casing and visual top cap, be equipped with new trend in the casing in proper order and introduce room, dirty wind discharge room, heat transfer room, first fan room, second fan room, filter chamber, dirty wind and introduce room and components and parts assembly room, install ERC fiber paper total heat exchange core in the heat transfer room, the inner wall of first fan room and second fan room is all attached to have inhales the sound cotton, and inside all installs frequency conversion centrifugal fan. This control carbon dioxide concentration's fresh air control system, all spare parts adopt the modularized design, all independently arrange in equipment, can independently dismantle, and the fan module adopts sound insulation material parcel, effective noise reduction, and equipment adopts visual design, is convenient for look over the equipment internal conditions, and the after-sale work accessory that has portably equipped overhauls, changes and need not to waste time hard, and maintenance is more convenient, high-efficient.

Description

Fresh air control system for controlling concentration of carbon dioxide

Technical Field

The utility model relates to a building ventilation technical field specifically is a fresh air control system of control carbon dioxide concentration.

Background

In recent years, as outdoor air pollution is more and more serious, a fresh air system is generally applied to various buildings, the indoor air quality is improved to a great extent, and in order to save energy consumption, doors and windows of the buildings are often closed in the seasons of air-conditioning refrigeration or heating, so that the indoor CO2 concentration is overhigh, the indoor air quality is very poor, according to national regulations, the indoor carbon dioxide concentration is lower than 1000PPM, the carbon dioxide concentration is overhigh, the influence on the health of a human body is caused, the CO2 concentration control is carried out, the air supply quantity of the fresh air is controlled at the end of the root, and the existing fresh air control system can realize the adjustment and the automatic control of the fresh air quantity according to indoor requirements under the action of a gas detection sensor.

But the components and parts installation in the current new trend controlgear is more complicated, in case its inside breaks down, needs the maintenance that the staff relapse to the circuit is complicated and complicated, and the space is narrow and small is unfavorable for the inspection and maintenance, is unfavorable for using.

SUMMERY OF THE UTILITY MODEL

The utility model provides a fresh air control system of control carbon dioxide concentration to solve the problem in the background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a fresh air control system of control carbon dioxide concentration, includes casing and visual top cap, it introduces room, dirty wind emission room, heat transfer room, first fan room, second fan room, filter chamber, dirty wind introduction room and components and parts assembly room to be equipped with the fresh air in proper order in the casing, install ERC fiber paper total heat exchange core in the heat transfer room, the inner wall of first fan room and second fan room is all attached to have the sound of inhaling cotton, and all internally mounted has frequency conversion centrifugal fan, install the purification filtration net in the filter chamber, install carbon dioxide concentration sensor and microcomputer control ware in the components and parts assembly room respectively, frequency conversion centrifugal fan and carbon dioxide concentration sensor all with microcomputer control ware electric connection, visual top cap passes through the screw mounting on the casing.

Furthermore, the fresh air introducing chamber, the dirty air discharging chamber, the filtering chamber and the dirty air introducing chamber are all provided with air ducts, and the fresh air introducing chamber, the dirty air discharging chamber and the dirty air introducing chamber are all provided with protective nets.

Furthermore, the fresh air introducing chamber and the dirty air discharging chamber are communicated with the heat exchange chamber, and the first fan chamber and the second fan chamber are communicated with the heat exchange chamber.

Furthermore, the first fan chamber is communicated with the filter chamber, and the second fan chamber is communicated with the dirty air introducing chamber.

Furthermore, the component assembly chambers are divided into two chambers, the microcomputer controller is embedded in the outer wall of one chamber, and the carbon dioxide concentration sensor is located in the other chamber.

Furthermore, a window is embedded in the visual top cover and covers the heat exchange chamber, the first fan chamber, the second fan chamber and the filter chamber.

Compared with the prior art, the utility model provides a control carbon dioxide concentration's new trend control system possesses following beneficial effect:

this control carbon dioxide concentration's fresh air control system, all spare parts adopt the modularized design, all independently arrange in equipment, can independently dismantle, and the fan module adopts sound insulation material parcel, effective noise reduction, and equipment adopts visual design, is convenient for look over the equipment internal conditions, and the after-sale work accessory that has portably equipped overhauls, changes and need not to waste time hard, and maintenance is more convenient, high-efficient.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is a top view of the visual top cover of the present invention;

fig. 4 is a schematic diagram of the heat exchange operation of the present invention.

In the figure: 1. a housing; 2. a visual top cover; 3. introducing fresh air into the chamber; 4. a dirty air discharge chamber; 5. a heat exchange chamber; 6. a first fan chamber; 7. a second fan chamber; 8. a filtering chamber; 9. introducing dirty air into the chamber; 10. a component assembly chamber; 11. ERC fiber paper total heat exchange core body; 12. sound-absorbing cotton; 13. a variable frequency centrifugal fan; 14. purifying a filter screen; 15. a carbon dioxide concentration sensor; 16. a microcomputer controller; 17. an air duct; 18. a protective net; 19. a viewing window.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the utility model discloses a fresh air control system for controlling carbon dioxide concentration, comprising a housing 1 and a visual top cover 2, wherein a fresh air introducing chamber 3, a dirty air discharging chamber 4, a heat exchange chamber 5, a first fan chamber 6, a second fan chamber 7, a filter chamber 8, a dirty air introducing chamber 9 and a component assembling chamber 10 are sequentially arranged in the housing 1, an ERC fiber paper total heat exchange core 11 is arranged in the heat exchange chamber 5, sound-absorbing cotton 12 is attached to the inner walls of the first fan chamber 6 and the second fan chamber 7, a variable frequency centrifugal fan 13 is arranged in the inner part of the first fan chamber and the second fan chamber, a purifying filter screen 14 is arranged in the filter chamber 8, a carbon dioxide concentration sensor 15 and a microcomputer controller 16 are respectively arranged in the component assembling chamber 10, all components are modularized and independently arranged in the device and can be independently disassembled, the fan module adopts sound insulation material parcel, effective noise reduction, and equipment adopts visual design, is convenient for look over the equipment internal conditions, and it need not to spend time hard to have made things convenient for after-sale work accessory maintenance, change of equipment, and maintenance is more convenient, high-efficient, frequency conversion centrifugal fan 13 and carbon dioxide concentration sensor 15 all with microcomputer control ware 16 electric connection, visual top cap 2 passes through the screw installation on casing 1.

Specifically, wind cylinders 17 are respectively installed outside the fresh air introducing chamber 3, the dirty air discharging chamber 4, the filtering chamber 8 and the dirty air introducing chamber 9, and protective nets 18 are respectively installed in the fresh air introducing chamber 3, the dirty air discharging chamber 4 and the dirty air introducing chamber 9.

In this embodiment, dryer 17 can be used to connect the ventilation pipe, conveniently arranges according to building structure, and protection network 18 is used for playing the effect of separation large granule impurity.

Specifically, the fresh air introducing chamber 3 and the dirty air discharging chamber 4 are both communicated with the heat exchange chamber 5, and the first fan chamber 6 and the second fan chamber 7 are both communicated with the heat exchange chamber 5.

In this embodiment, under the effect of the variable frequency centrifugal fan 13 in the first fan chamber 6, outdoor fresh air is introduced from the fresh air introduction chamber 3 and exchanges heat with indoor dirty air through the ERC fiber paper total heat exchange core 11 in the heat exchange chamber 5, and under the effect of the variable frequency centrifugal fan 13 in the second fan chamber 7, indoor dirty air is discharged from the dirty air discharge chamber 4 after exchanging heat through the ERC fiber paper total heat exchange core 11.

Specifically, the first fan chamber 6 is communicated with a filter chamber 8, and the second fan chamber 7 is communicated with a dirty air introducing chamber 9.

In this embodiment, after the outdoor fresh air is introduced, the outdoor fresh air is filtered by the purifying filter screen 14 in the filter chamber 8 and then discharged into the room, and under the action of the variable frequency centrifugal fan 13 in the second fan chamber 7, indoor dirty air is introduced from the dirty air introduction chamber 9 and exchanges heat with the outdoor fresh air through the ERC fiber paper total heat exchange core 11 in the heat exchange chamber 5.

Specifically, the component mounting room 10 is divided into two rooms, the microcomputer controller 16 is embedded in an outer wall of one room, and the carbon dioxide concentration sensor 15 is located in the other room.

In this embodiment, a carbon dioxide sensor 15 of GSS-SprintIR type detects the indoor carbon dioxide concentration and sends a signal to a microcomputer controller 16 (which is a product module developed by customizing the function required by a product object for a specific user and application scene, and can be better embedded into a user product, and has the characteristics of individuation, customization, intellectualization, etc., wherein the model of a central processing chip is DHCE 2676), the air supply quantity of a variable frequency centrifugal fan 13 is controlled by setting a system program, the air supply quantity of the fresh air and the air discharge quantity of the exhaust air can be independently adjusted, and the fresh air quantity is always kept larger than the air discharge quantity during air quantity adjustment, so that the indoor is in a micro positive pressure state, the ERC fiber paper total heat exchange core 11 of diamond ERC-200 type is mainly composed of special fiber paper made by special process, and has high moisture permeability, The heat exchange core has the characteristics of good air tightness, tear resistance, aging resistance and mildew resistance, and only water vapor molecules with small particle sizes can pass through the heat exchange core due to small gaps among fibers, so that the full heat exchange of the heat exchange core is realized, air flows in a cross way, fresh air and exhaust air are completely separated, the transfer of any smell is avoided, and the heat exchange core is applied to the recovery of sensible heat and latent heat of a civil and commercial ventilation system.

Specifically, visual top cap 2 is last to inlay and to be equipped with window 19, and window 19 covers heat exchange chamber 5, first fan room 6, second fan room 7 and filter chamber 8.

In the embodiment, the visual design is adopted, so that the internal condition of the equipment can be conveniently checked.

When in use, all parts adopt modular design and are independently arranged in the equipment and can be independently disassembled, the fan module is wrapped by sound insulation materials to effectively reduce noise, the equipment adopts visual design to facilitate the checking of the internal condition of the equipment, outdoor fresh air is introduced from the fresh air introduction chamber 3 and exchanges heat with indoor dirty air through the ERC fiber paper total heat exchange core body 11 in the heat exchange chamber 5 under the action of the variable frequency centrifugal fan 13 in the first fan chamber 6, then is filtered by the purification filter screen 14 in the filter chamber 8 and is discharged into the room, indoor dirty air is introduced from the dirty air introduction chamber 9 and exchanges heat with the outdoor through the ERC fiber paper total heat exchange core body 11 in the heat exchange chamber 5 under the action of the variable frequency centrifugal fan 13 in the second fan chamber 7, then is discharged from the dirty air discharge chamber 4, the carbon dioxide concentration sensor 15 is used for detecting the indoor carbon dioxide concentration, and sends a signal to the microcomputer controller 16, controls the air supply quantity of the variable frequency centrifugal fan 13 through system program setting, the fresh air quantity and the exhaust air quantity can be independently adjusted, and the fresh air quantity is always kept larger than the exhaust air quantity during air quantity adjustment, so that the indoor is in a micro-positive pressure state.

To sum up, this control carbon dioxide concentration's fresh air control system, all spare parts adopt the modularized design, all independently arrange in equipment, can independently dismantle, and the fan module adopts sound insulation material parcel, effective noise reduction, and equipment adopts visual design, is convenient for look over the equipment internal conditions, and the after-sale work accessory that has portably equipped overhauls, changes need not to spend time hard, and maintenance is more convenient, high-efficient.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a control carbon dioxide concentration's fresh air control system, includes casing (1) and visual top cap (2), its characterized in that: the device is characterized in that a fresh air introducing room (3), a dirty air discharging room (4), a heat exchange room (5), a first fan room (6), a second fan room (7), a filter chamber (8), a dirty air introducing room (9) and a component assembling room (10) are sequentially arranged in the shell (1), an ERC fiber paper full heat exchange core body (11) is arranged in the heat exchange room (5), sound absorbing cotton (12) is attached to the inner walls of the first fan room (6) and the second fan room (7), variable-frequency centrifugal fans (13) are arranged in the first fan room and the second fan room, a purifying filter screen (14) is arranged in the filter chamber (8), carbon dioxide concentration sensors (15) and a microcomputer controller (16) are respectively arranged in the component assembling room (10), and the variable-frequency centrifugal fans (13) and the carbon dioxide concentration sensors (15) are electrically connected with the microcomputer controller (16), the visual top cover (2) is installed on the shell (1) through screws.

2. The fresh air control system for controlling the concentration of carbon dioxide according to claim 1, wherein: the fresh air introducing chamber (3), the dirty air discharging chamber (4), the filtering chamber (8) and the dirty air introducing chamber (9) are all provided with air cylinders (17), and the fresh air introducing chamber (3), the dirty air discharging chamber (4) and the dirty air introducing chamber (9) are all provided with protective nets (18).

3. The fresh air control system for controlling the concentration of carbon dioxide according to claim 1, wherein: the fresh air introducing chamber (3) and the dirty air discharging chamber (4) are communicated with the heat exchange chamber (5), and the first fan chamber (6) and the second fan chamber (7) are communicated with the heat exchange chamber (5).

4. The fresh air control system for controlling the concentration of carbon dioxide according to claim 1, wherein: the first fan chamber (6) is communicated with the filter chamber (8), and the second fan chamber (7) is communicated with the dirty air introducing chamber (9).

5. The fresh air control system for controlling the concentration of carbon dioxide according to claim 1, wherein: the component assembly chambers (10) are divided into two chambers, the microcomputer controller (16) is embedded on the outer wall of one chamber, and the carbon dioxide concentration sensor (15) is located in the other chamber.

6. The fresh air control system for controlling the concentration of carbon dioxide according to claim 1, wherein: visual top cap (2) are gone up to inlay and are equipped with window (19), and window (19) cover in heat exchange room (5), first fan room (6), second fan room (7) and filter chamber (8).