CN105042776A - Central ventilation system - Google Patents
Central ventilation system Download PDFInfo
- Publication number
- CN105042776A CN105042776A CN201510410825.5A CN201510410825A CN105042776A CN 105042776 A CN105042776 A CN 105042776A CN 201510410825 A CN201510410825 A CN 201510410825A CN 105042776 A CN105042776 A CN 105042776A
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- China
- Prior art keywords
- air
- control circuit
- ventilation
- vmc
- valve
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The invention relates to air conditioning systems in buildings, in particular to a central ventilation system. The central ventilation system comprises an air exchange draught fan, an air exchange pipe network enabling the air exchange draught fan to be communicated with single rooms, and air exchange valves arranged at air openings of the air exchange pipe network. The central ventilation system further comprises a control circuit and detection devices, wherein the control circuit is used for controlling the opening and closing degree of the air exchange valves, and the detection devices are used for detecting the air quality of the single rooms and sending detection results to the control circuit. The central ventilation system solves the problem that due to the fact that the inner structure of a building provided with the central ventilation system is complex, the air quality of each room cannot be ensured by an existing central ventilation system. The central ventilation system can ensure the air quality of each room.
Description
Technical field
The present invention relates to air in buildings regulating system, be specifically related to a kind of VMC.
Background technology
A set of independent air treatment system that VMC is made up of the ventilation blower fan that can take a breath and purify air, pipeline and some annexes, outdoor live gas is passed through filtration, purification by ventilation blower fan, by Cemented filling to indoor, simultaneously by outside the air discharge chamber of foul indoor.
A kind of central fresh air purifying humidification system is disclosed in patent document CN203323263U, its claim is " a kind of central fresh air purifying humidification system, comprise a main frame and at least one station terminal machine, main frame is provided with main new wind air draught airduct, main new wind air-supply airduct, main dirty wind air draft airduct, main dirty wind air draught airduct and master controller, terminating machine is provided with the new wind air outlet of terminal and the dirty wind inlet scoop of terminal, main new wind air-supply airduct is connected with the new wind air outlet of terminal by new wind air-supply airduct, main dirty wind air draught airduct is connected by the dirty wind inlet scoop of dirty wind air draught airduct and terminal, it is characterized in that: described terminating machine is also provided with terminal control unit, the new wind air-valve of terminal and the dirty wind air-valve of terminal, new wind air-valve and the dirty wind air-valve of terminal are electrically connected terminal control unit with terminal respectively, terminal new wind air-valve is arranged in the new wind air outlet of terminal, the dirty wind air-valve of terminal is arranged in the dirty wind inlet scoop of terminal, be connected by wired bus order wire or radio communication between master controller with terminal control unit." object reached of wanting of this patent is: provide a kind of there is humidification function, purification function, every station terminal machine can carry out the central fresh air purifying humidification system that controls separately.
But in the process of the operation of the indoor environment of complexity, the room of some local or distance ventilation blower fan room far away due to pipeline and indoor pressure differential not enough, the new air just causing ventilation blower fan to produce cannot inject these rooms fully, cause the air quality in these rooms not good, VMC does not play due effect.
Summary of the invention
The present invention is in order to solve the architecture indoor complex structure owing to installing VMC, and existing VMC cannot ensure the problem of the air quality in each room, provides a kind of VMC that can ensure the air quality in each room.
The present invention is achieved by the following technical solutions: VMC, comprise ventilation blower fan, the ventilation air-valve in the ventilation pipe network that ventilation blower fan and single room are connected and the air port being arranged on pipe network of taking a breath, wherein, also comprise the control circuit controlling ventilation air-valve opening-closing size and detect the air quality in single room and testing result delivered to the checkout gear of control circuit.
The invention has the beneficial effects as follows: if the existing VMC mentioned in background is in the relatively simple environment of doors structure, there is good effect, but in the process of the operation of the indoor environment of complexity, the room of some local or the space air poor quality far away apart from ventilation blower fan, VMC also plays due effect, the control circuit controlling ventilation air-valve opening-closing size has been set up in the technology of the present invention, and detect the air quality in single room and testing result delivered to the checkout gear of control circuit, its operation principle: the air quality when certain room declines, this situation is detected by the checkout gear in this room, this testing result is sent to control circuit, control circuit controls ventilation air-valve and opens larger angle, with should certain room air quality rise time, control circuit also can control ventilation air-valve and open less angle, ventilation blower fan rated power conventional on market is constant, meaning the unit interval in ventilation blower fan process and be transported to indoor air quantity be certain, the angle of opening when ventilation air-valve is little, the air quantity of input is little, opening angle is large, the air quantity of input is large, the effect arrived: the poor room of air quality can obtain more new air, the good room of air quality obtains less new air, thus achieve distributing rationally of new air, the problem that before avoiding, some space air quality of the local of existence is poor all the time, ensure the air quality in each room in need.
Further, the control circuit controlling ventilation air-valve opening-closing size has and only has one.Control circuit needs the opening-closing size receiving testing result and control all ventilation air-valves, when needing room less controlled, control circuit needs process data less, but when room quantity is more, control circuit need data to be processed will be very large, advantage is that control circuit will learn roomed air quality, control circuit can in conjunction with the data of roomed air quality to control respectively to take a breath the size of air-valve opening and closing, as long as data are also in the process range of control circuit, air quality control can more be tending towards reasonable.
Further, all have the control circuit controlling ventilation air-valve opening-closing size in single room, described checkout gear only sends testing result to the control circuit of same room with them.The control circuit in each room is the independent opening-closing size controlling respective ventilation air-valve, each room is according to the opening-closing size of the ventilation air-valve in each room of the demand modeling of oneself, the guaranteed situation of air quality in each room, the air quality in so all rooms in need just obtains guarantee, the benefit of this control mode is, single control circuit needs data volume to be processed little, the cost of control circuit can be lower, not easily make mistakes simultaneously, secondly, separate between control circuit, single control circuit occurs that mistake can not affect the running of whole system, promptness with regard to the control of single room is better.
Further, described ventilation blower fan has the power control circuit controlling watt level, and testing result is sent to power control circuit by checkout gear.Power control circuit is receiving the testing result of all checkout gears, and power control circuit controls the power of ventilation blower fan, selects suitable power, economize energy while guarantee IAQ.
Further, described ventilation air-valve comprises new wind air-valve and dirty wind air-valve, and the control circuit of described control ventilation air-valve opening-closing size has the new wind air-valve of the control control unit synchronous with dirty both wind air-valves opening-closing size.Existing most VMC comprises the discharge function of new wind input function and dirty wind, the input speed of new wind and the velocity of discharge of dirty wind all can affect the air quality in room, the opening-closing size of dirty wind air-valve and new wind air-valve can affect the input speed of new wind and the discharge of dirty wind, control circuit has the synchronous control unit of both control, the intake of new wind air-valve coordinates the dirty wind discharge rate adapted, thus ensures that the air in room can obtain more effective replacing.
Further, the described control circuit controlling ventilation air-valve opening-closing size is provided with control panel, and the input block of described control circuit is arranged on control panel, described control panel also has the display unit of display checkout gear testing result.The display unit of air quality and the input block of control circuit are focused on control panel, is convenient to observation and the operation of user, strengthen the operation sense of user.
Further, the input block of described control circuit and the display unit of checkout gear are all integrated on one piece of control panel, and described control panel is positioned at room.The display unit of air quality and the input block of control circuit are focused on control panel, is convenient to observation and the operation of user, strengthen the operation sense of user.
Further, the air port of described ventilation pipe network is connector, also comprises the communicating pipe be tightly connected with connector.VMC can from the band dusty air air intake by outdoor in the process run, although ventilation blower fan has screen pack, but after having grown service time, more or less all can have some dust accumulation in ventilation pipe network, these dusts are difficult to remove usually.Air port is set to connector, coordinate to be connected with it again and the communicating pipe used can clear up these dusts, using method: closed by control circuit major part taken a breath air-valve, only open the ventilation air-valve of the ventilation pipe network in the room needing cleaning, then be tightly connected the connector in communicating pipe and this room, preprepared cloth bag is aimed in the outlet of communicating pipe or directly leads to outdoor, then the startup ventilation blower fan of peak power, utilize wind that the dust in ventilation pipe network is blown into cloth bag, or get rid of outdoor.More or in air intake one end of ventilation blower fan add the cleaning solution of some foam types, just can arrive better dust removing effects.
Further, described ventilation pipe network is divided into fresh wind tube net and dirty airduct net.Have better dust removing effects in conjunction with aforementioned connector and communicating pipe, one end of communicating pipe is tightly connected the connector of fresh wind tube net, and one end is tightly connected the connector of dirty airduct net, and dust removing effects is better.
Further, described connector and communicating pipe are for being threaded.Screw connected connected mode is the common connected mode of domestic consumer, and basic all people are familiar with its mode of operation very much, and use the domestic consumer that is just more convenient for use the connector that is tightly connected communicating pipe here, the sealing be simultaneously threaded is also better.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation:
Fig. 1 is the structural representation of structure VMC embodiment 1 of the present invention;
Fig. 2 is the structural representation of structure VMC embodiment 2 of the present invention;
Fig. 3 is the sectional view under the using state of communicating pipe;
Reference numeral: communicating pipe 2, the air port 1 of dirty airduct net, the air port 3 of fresh wind tube net.
Detailed description of the invention
1 illustrated embodiment 1 by reference to the accompanying drawings, VMC, comprise ventilation blower fan, the ventilation air-valve in the ventilation pipe network that ventilation blower fan and single room are connected and the air port being arranged on pipe network of taking a breath, ventilation pipe network is divided into fresh wind tube net and dirty airduct net, corresponding ventilation air-valve is also just divided into dirty wind air-valve and new wind air-valve, and each room is provided with a control circuit controlling ventilation air-valve opening-closing size and detects this space air quality and testing result delivered to the checkout gear of control circuit.Ventilation blower fan has the power control circuit controlling watt level, and testing result is sent to power control circuit by checkout gear.Also have in control circuit and control the new wind air-valve control unit synchronous with dirty both wind air-valves opening-closing size.The TIP of control circuit and the display unit of checkout gear are integrated on one piece of control panel.The air port of dirty airduct net and fresh wind tube net is as threaded connector, can be threaded with the thread head of communicating pipe.Outdoor arranges an outdoor air checkout gear, testing result is sent on the display unit of control panel.
Result of use and each several part characteristic effect:
The control circuit controlling ventilation air-valve opening-closing size has been set up in the technology of the present invention, and detect the air quality in single room and testing result delivered to the checkout gear of control circuit, its operation principle: the air quality when certain room declines, this situation is detected by the checkout gear in this room, this testing result is sent to control circuit, control circuit controls ventilation air-valve and opens larger angle, with should certain room air quality rise time, control circuit also can control ventilation air-valve and open less angle, ventilation blower fan rated power conventional on market is constant, meaning the unit interval in ventilation blower fan process and be transported to indoor air quantity be certain, the angle of opening when ventilation air-valve is little, the air quantity of input is little, opening angle is large, the air quantity of input is large, the effect arrived: the poor room of air quality can obtain more new air, the good room of air quality obtains less new air, thus achieve distributing rationally of new air, the problem that before avoiding, some space air quality of the local of existence is poor all the time, ensure the air quality in each room in need.
The control circuit in each room is the independent opening-closing size controlling respective ventilation air-valve, each room is according to the opening-closing size of the ventilation air-valve in each room of the demand modeling of oneself, the guaranteed situation of air quality in each room, the air quality in so all rooms in need just obtains guarantee, the benefit of this control mode is, single control circuit needs data volume to be processed little, the cost of control circuit can be lower, not easily make mistakes simultaneously, secondly, separate between control circuit, single control circuit occurs that mistake can not affect the running of whole system, promptness with regard to the control of single room is better.
Ventilation air-valve comprises new wind air-valve and dirty wind air-valve, and the control circuit of described control ventilation air-valve opening-closing size has the new wind air-valve of the control control unit synchronous with dirty both wind air-valves opening-closing size.Existing most VMC comprises the discharge function of new wind input function and dirty wind, the input speed of new wind and the velocity of discharge of dirty wind all can affect the air quality in room, the opening-closing size of dirty wind air-valve and new wind air-valve can affect the input speed of new wind and the discharge of dirty wind, control circuit has the synchronous control unit of both control, the intake of new wind air-valve coordinates the dirty wind discharge rate adapted, thus ensures that the air in room can obtain more effective replacing.
Ventilation blower fan has the power control circuit controlling watt level, and testing result is sent to power control circuit by checkout gear.Power control circuit is receiving the testing result of all checkout gears, and power control circuit controls the power of ventilation blower fan, selects suitable power, economize energy while guarantee IAQ.Use attack strategy control circuit to also avoid a kind of situation used independently existing for mode simultaneously, when the room that indoor are all needs ventilation, adopt the independent mode controlled, all rooms all need ventilation, maximum angle opened by the roomed ventilation air-valve of institute, its result caused is exactly, the nearest room of distance ventilation blower fan can the fastest being taken a breath, taken a breath the most slowly in room farthest, when after employing power control circuit, the raising power of ventilation blower fan, can complete the process of ventilation faster.
The control circuit controlling ventilation air-valve opening-closing size is provided with control panel, and the input block of described control circuit is arranged on control panel, described control panel also has the display unit of display checkout gear testing result.The display unit of air quality and the input block of control circuit are focused on control panel, is convenient to observation and the operation of user, strengthen the operation sense of user.
The air port of dirty airduct net and fresh wind tube net is as threaded connector, can be threaded with the thread head of communicating pipe.VMC can from the band dusty air air intake by outdoor in the process run, although ventilation blower fan has screen pack, but after having grown service time, more or less all can have some dust accumulation in ventilation pipe network, these dusts are difficult to remove usually.Air port is set to threaded connector, what cooperation can be threaded with it again can clear up these dusts communicating pipe, using method as shown in Figure 3: closed by control circuit major part taken a breath air-valve, only open the ventilation air-valve of the ventilation pipe network in the room needing cleaning, then one end of communicating pipe 2 is threaded with the air port 1 of dirty airduct net, one end is threaded with the air port 3 of fresh wind tube net, then the startup ventilation blower fan of peak power, discharges the dust accumulated in ventilation pipe network without when room.More or in air intake one end of ventilation blower fan add the cleaning solution of some foam types, just can arrive better dust removing effects.
Outdoor arranges an outdoor air checkout gear, testing result is sent on the display unit of control panel.Outdoor air checkout gear, the effect of two aspects can be played, if after a VMC runs, if air quality optimizes, client can learn with the result that indoor checkout gear detects by air detecting device outdoor, allows use have better experience sense, if two just to have started air effect of optimization good, after using the long period, the testing result of rear indoor is more or less the same with outdoor testing result, then remind user to need to change the filter screen of ventilation blower fan.
Embodiment 2, with the difference of embodiment 1, embodiment 2 is that the control circuit controlling to take a breath air-valve opening-closing size has and only has one as shown in Figure 2, control circuit needs the opening-closing size receiving testing result and control all ventilation air-valves, when needing room less controlled, control circuit needs process data less, but when room quantity is more, control circuit need data to be processed will be very large, advantage is that control circuit will learn roomed air quality, control circuit can in conjunction with the data of roomed air quality to control respectively to take a breath the size of air-valve opening and closing, as long as data are also in the process range of control circuit, air quality control can more be tending towards rationally with average.
Above-described is only the preferred embodiment of the present invention; should be understood that; for a person skilled in the art; under the prerequisite not departing from structure of the present invention; some distortion and improvement can also be made; these also should be considered as protection scope of the present invention, and these all can not affect effect of the invention process and practical applicability.
Claims (10)
1. VMC, comprise ventilation blower fan, the ventilation air-valve in the ventilation pipe network that ventilation blower fan and single room are connected and the air port being arranged on pipe network of taking a breath, it is characterized in that, also comprise the control circuit controlling ventilation air-valve opening-closing size and the air quality detecting single room and testing result delivered to the checkout gear of control circuit.
2. VMC as claimed in claim 1, is characterized in that, the control circuit controlling ventilation air-valve opening-closing size has and only has one.
3. VMC as claimed in claim 1, is characterized in that, all have the control circuit controlling ventilation air-valve opening-closing size in single room, described checkout gear only sends testing result to the control circuit of same room with them.
4. the VMC as described in claim 2 or 3, is characterized in that, described ventilation blower fan has the power control circuit controlling watt level, and testing result is sent to power control circuit by checkout gear.
5. the VMC as described in claim 2 or 3, it is characterized in that, described ventilation air-valve comprises new wind air-valve and dirty wind air-valve, and the control circuit of described control ventilation air-valve opening-closing size has the new wind air-valve of the control control unit synchronous with dirty both wind air-valves opening-closing size.
6. VMC as claimed in claim 3, it is characterized in that, the described control circuit controlling ventilation air-valve opening-closing size is provided with control panel, and the input block of described control circuit is arranged on control panel, described control panel also has the display unit of display checkout gear testing result.
7. VMC as claimed in claim 2, it is characterized in that, the input block of described control circuit and the display unit of checkout gear are all integrated on one piece of control panel, and described control panel is positioned at room.
8. the VMC as described in claim 2 or 3, is characterized in that, the air port of described ventilation pipe network is connector, also comprises the communicating pipe be tightly connected with connector.
9. VMC as claimed in claim 8, it is characterized in that, described ventilation pipe network is divided into fresh wind tube net and dirty airduct net.
10. VMC as claimed in claim 9, it is characterized in that, described connector and communicating pipe are for being threaded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510410825.5A CN105042776B (en) | 2015-07-14 | 2015-07-14 | Fresh air system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510410825.5A CN105042776B (en) | 2015-07-14 | 2015-07-14 | Fresh air system |
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| CN105042776A true CN105042776A (en) | 2015-11-11 |
| CN105042776B CN105042776B (en) | 2018-07-31 |
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| CN201510410825.5A Active CN105042776B (en) | 2015-07-14 | 2015-07-14 | Fresh air system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105318439A (en) * | 2015-12-06 | 2016-02-10 | 滨州市甲力太阳能科技有限公司 | Utilization terminal of fresh air system |
| CN107621034A (en) * | 2017-09-25 | 2018-01-23 | 青岛海信日立空调系统有限公司 | A kind of VMC and its control method |
| CN107676915A (en) * | 2017-09-29 | 2018-02-09 | 嘉善银海秸秆回收有限公司 | A kind of VMC suitable for compound building |
| CN110207339A (en) * | 2018-05-07 | 2019-09-06 | 西安中科恒境环保科技有限公司 | A kind of air quantity automatic regulating system and air quantity Automatic adjustment method |
| CN112013525A (en) * | 2020-08-26 | 2020-12-01 | 浙江宝智环境设备科技有限公司 | Fresh air control system and control method thereof |
| WO2023246900A1 (en) * | 2022-06-22 | 2023-12-28 | 美的集团武汉暖通设备有限公司 | Fresh air system control method, fresh air system, and air conditioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105318439A (en) * | 2015-12-06 | 2016-02-10 | 滨州市甲力太阳能科技有限公司 | Utilization terminal of fresh air system |
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| CN107676915A (en) * | 2017-09-29 | 2018-02-09 | 嘉善银海秸秆回收有限公司 | A kind of VMC suitable for compound building |
| CN110207339A (en) * | 2018-05-07 | 2019-09-06 | 西安中科恒境环保科技有限公司 | A kind of air quantity automatic regulating system and air quantity Automatic adjustment method |
| CN112013525A (en) * | 2020-08-26 | 2020-12-01 | 浙江宝智环境设备科技有限公司 | Fresh air control system and control method thereof |
| WO2023246900A1 (en) * | 2022-06-22 | 2023-12-28 | 美的集团武汉暖通设备有限公司 | Fresh air system control method, fresh air system, and air conditioner |
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|---|---|
| CN105042776B (en) | 2018-07-31 |
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