CN202013004U - Fresh air quantity control device for central air conditioner - Google Patents
Fresh air quantity control device for central air conditioner Download PDFInfo
- Publication number
- CN202013004U CN202013004U CN2011200928021U CN201120092802U CN202013004U CN 202013004 U CN202013004 U CN 202013004U CN 2011200928021 U CN2011200928021 U CN 2011200928021U CN 201120092802 U CN201120092802 U CN 201120092802U CN 202013004 U CN202013004 U CN 202013004U
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- new wind
- air
- fresh air
- sensor
- air flow
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Abstract
The utility model discloses a fresh air quantity control device for a central air conditioner. The measurement signals of a fresh air CO2 density sensor (2), a fresh air flow sensor (3), a supply air flow sensor (6) and a return air CO2 density sensor (8) are in electric connection with a fresh air required quantity setting device (4). The fresh air flow sensor (3), the supply air flow sensor (6) and the return air CO2 density sensor (8) are arranged in each air conditioner area. The measurement signals of the fresh air flow sensor (3) and the fresh air flow set value signals of the fresh air required quantity setting device (4) in each air conditioner area are respectively in electric connection with a fresh air flow controller (10) which is in electric connection with the control end of an electric air valve (9). The fresh air required quantity setting device is in electric connection with the fresh air flow controller to set the fresh air flow set value of the fresh air flow controller at real time. The fresh air flow controller controls the open range of the electric air valve to enable the measuring value of the fresh air flow to approximate to or reach the set value, thereby not only meeting sanitation condition and requirements for venting in rooms in air conditioner areas, but also reducing building energy consumption.
Description
Technical field
The utility model relates to a kind of central air-conditioning control device, particularly relates to a kind of central air-conditioning resh air requirement control device.
Background technology
In use entreat in the building of air-conditioning system, for reducing air conditioner load and energy consumption, the seal of building is had relatively high expectations.For the sanitary condition that satisfies each air conditioning area and the requirement of ventilation, generally adopt VMC to carry new wind to each air conditioning area.Traditional VMC can not be regulated the new wind flow that enter each air conditioning area according to the new wind demand of each air conditioning area, will or too much increase the energy consumption of air-conditioning system because of introducing new wind flow like this; Or too small because of introducing new wind flow, do not satisfy the requirement of indoor occupant to new wind, make anoxic symptoms such as the indoor occupant appearance is tired, drowsiness, reduce labor productivity.
Summary of the invention
Technical problem to be solved in the utility model provide a kind of can be according to the air conditioning area new wind flow that control enters this zone to the demand of new wind, the requirement of indoor sanitary condition of air conditioning area and ventilation can be satisfied, the central air-conditioning resh air requirement control device of building energy consumption can be reduced again.
In order to solve the problems of the technologies described above, the central air-conditioning resh air requirement control device that the utility model provides comprises the new wind flow control loop be made up of Electric air valve, new wind flow sensor and new wind flow controller and by new wind CO
2Concentration sensor, return air CO
2Concentration sensor, air flow rate sensor are set loop, described new wind CO with the new wind flow that new wind demand setting apparatus is formed
2The described new wind flow sensor of concentration sensor, each air conditioning area, air flow rate sensor, return air CO
2The measuring-signal of concentration sensor is electrically connected with described new wind demand setting apparatus, the new wind flow duty setting signal of each air conditioning area of the measuring-signal of described new wind flow sensor and described new wind demand setting apparatus is electrically connected with described new wind flow controller, described new wind flow controller is electrically connected with the control end of described Electric air valve, described Electric air valve and new wind flow sensor are located on the new wind air intake airduct of every group of air-treatment unit described new wind CO
2Concentration sensor is located on the new wind airduct, and described air flow rate sensor is located on the air-supply airduct, described return air CO
2Concentration sensor is arranged on the air-conditioning return air duct or in the air-conditioning key area.
Adopt the new wind flow control device of central air-conditioning of technique scheme, new wind CO
2The new wind flow sensor of concentration sensor, each air conditioning area and air flow rate sensor, return air CO
2The measuring-signal of concentration sensor is delivered to new wind demand setting apparatus, and new wind demand setting apparatus is according to the new wind of actual measurement and air flow rate, new wind and return air CO
2Concentration value, the new wind flow that calculates each air conditioning area according to the air-conditioning health conditions requiring in real time sets value.The new wind flow duty setting signal of the measuring-signal of the new wind flow sensor of each air conditioning area and each air conditioning area is delivered to the new wind flow controller of corresponding air conditioning area, each new wind flow controller is poor according to measured value and setting value, according to a certain control law, regulate the aperture of the moving air-valve of corresponding new wind-powered electricity generation, the new wind flow measured value that makes each air conditioning area near or equal the setting value of its new wind flow.
Characteristics of the present utility model: the utility model can rationally be controlled the new wind flow that enters each air conditioning area of building, has both prevented the energy consumption waste that the new wind of too much introducing brings; Avoid new wind to introduce the not enough IAQ problem that causes again, be applicable to most central air conditioner systems.
In sum, the utility model be a kind of can be according to the air conditioning area new wind flow that control enters this zone to the demand of new wind, the requirement of indoor sanitary condition of air conditioning area and ventilation can be satisfied, the central air-conditioning resh air requirement control device of building energy consumption can be reduced again.
Description of drawings
Fig. 1 is the composition and the fundamental diagram of central air-conditioning resh air requirement control device.
The specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Referring to Fig. 1, the new wind airduct of new blower fan 1 is connected with many group air-treatment units 5 by technological requirement, is provided with new wind CO on the new wind airduct of new blower fan 1
2 Concentration sensor 2, on the new wind air intake airduct of every group of air-treatment unit 5, be provided with Electric air valve 9 and new wind flow sensor 3, on the air-supply airduct of every group of air-treatment unit 5, be provided with air flow rate sensor 6, be provided with return air CO on the air-conditioning return air duct or in the air-conditioning key area 7
2Concentration sensor 8, whole VMC are provided with a new wind demand setting apparatus 4, or each air conditioning area is provided with a new wind demand setting apparatus 4, new wind CO
2The new wind flow sensor 3 of concentration sensor 2, each air conditioning area, air flow rate sensor 6, return air CO
2The measuring-signal of concentration sensor 8 is electrically connected with new wind demand setting apparatus 4, each air conditioning area is provided with a new wind flow controller 10, the new wind flow duty setting signal of each air conditioning area of the measuring-signal of new wind flow sensor 3 and new wind demand setting apparatus 4 is electrically connected with new wind flow controller 10, and new wind flow controller 10 is electrically connected with the control end of Electric air valve 9.
Referring to Fig. 1, the new wind flow of each air conditioning area is by new wind flow controller 10 controls.New wind demand setting apparatus 4 is used for setting in real time the new wind flow setting value of each air conditioning area.New wind CO
2The new wind flow sensor 3 of concentration sensor 2, each air conditioning area and air flow rate sensor 6, return air CO
2The measuring-signal of concentration sensor 8 is delivered to new wind demand setting apparatus 4, and new wind demand setting apparatus 4 is according to the new wind of actual measurement and air flow rate, new wind and return air CO
2Concentration value, the new wind flow that calculates each air conditioning area according to the air-conditioning health conditions requiring in real time sets value.The new wind flow duty setting signal of the measuring-signal of the new wind flow sensor 3 of each air conditioning area and each air conditioning area is delivered to the new wind flow controller 10 of corresponding air conditioning area, each new wind flow controller 10 is poor according to measured value and setting value, according to a certain control law, regulate the aperture of corresponding Electric air valve 9, the new wind flow measured value that makes each air conditioning area near or equal the setting value of its new wind flow.
Claims (1)
1. central air-conditioning resh air requirement control device comprises the new wind flow control loop be made up of Electric air valve (9), new wind flow sensor (3) and new wind flow controller (10) and by new wind CO
2Concentration sensor (2), return air CO
2Concentration sensor (8), air flow rate sensor (6) are set the loop with the new wind flow that new wind demand setting apparatus (4) is formed, and it is characterized in that: described new wind CO
2The described new wind flow sensor (3) of concentration sensor (2), each air conditioning area, air flow rate sensor (6), return air CO
2The measuring-signal of concentration sensor (8) is electrically connected with described new wind demand setting apparatus (4), the new wind flow duty setting signal of each air conditioning area of the measuring-signal of described new wind flow sensor (3) and described new wind demand setting apparatus (4) is electrically connected with described new wind flow controller (10), described new wind flow controller (10) is electrically connected with the control end of described Electric air valve (9), described Electric air valve (9) and new wind flow sensor (3) are located on the new wind air intake airduct of every group of air-treatment unit described new wind CO
2Concentration sensor (2) is located on the new wind airduct, and described air flow rate sensor (6) is located on the air-supply airduct, described return air CO
2Concentration sensor (8) is arranged on the air-conditioning return air duct or in the air-conditioning key area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200928021U CN202013004U (en) | 2011-04-01 | 2011-04-01 | Fresh air quantity control device for central air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200928021U CN202013004U (en) | 2011-04-01 | 2011-04-01 | Fresh air quantity control device for central air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202013004U true CN202013004U (en) | 2011-10-19 |
Family
ID=44783622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200928021U Expired - Fee Related CN202013004U (en) | 2011-04-01 | 2011-04-01 | Fresh air quantity control device for central air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202013004U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102364260A (en) * | 2011-11-16 | 2012-02-29 | 奇瑞汽车股份有限公司 | Method and system for controlling internal and external circulation of automobile air conditioner |
| CN106369679A (en) * | 2016-10-17 | 2017-02-01 | 深圳沃海森科技有限公司 | Energy-saving type controllable indoor oxygen amount flow dividing air conditioner |
| CN108431510A (en) * | 2015-11-13 | 2018-08-21 | 西门子工业公司 | The partition requirements control ventilation of building |
-
2011
- 2011-04-01 CN CN2011200928021U patent/CN202013004U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102364260A (en) * | 2011-11-16 | 2012-02-29 | 奇瑞汽车股份有限公司 | Method and system for controlling internal and external circulation of automobile air conditioner |
| CN102364260B (en) * | 2011-11-16 | 2014-01-22 | 奇瑞汽车股份有限公司 | Method and system for controlling internal and external circulation of automobile air conditioner |
| CN108431510A (en) * | 2015-11-13 | 2018-08-21 | 西门子工业公司 | The partition requirements control ventilation of building |
| CN108431510B (en) * | 2015-11-13 | 2020-08-04 | 西门子工业公司 | Zone demand controlled ventilation for buildings |
| CN106369679A (en) * | 2016-10-17 | 2017-02-01 | 深圳沃海森科技有限公司 | Energy-saving type controllable indoor oxygen amount flow dividing air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111019 Termination date: 20150401 |
|
| EXPY | Termination of patent right or utility model |