CN105202698A - Energy-saving fresh-air air conditioner control system - Google Patents
Energy-saving fresh-air air conditioner control system Download PDFInfo
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- CN105202698A CN105202698A CN201510582162.5A CN201510582162A CN105202698A CN 105202698 A CN105202698 A CN 105202698A CN 201510582162 A CN201510582162 A CN 201510582162A CN 105202698 A CN105202698 A CN 105202698A
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Abstract
The invention belongs to the field of an electric appliance and ventilation equipment, and provides an energy-saving fresh-air air conditioner control system. The energy-saving fresh-air air conditioner control system comprises a straight air inlet passage, a straight passage control device and a controller, wherein the straight air inlet passage is a passage in which outdoor air entering a room does not exchange heat with air discharged from the room; the straight passage control device comprises a fan or an electric control air valve and is used for controlling the state of the straight air inlet passage, and the state includes an opening state and a non-opening state; the controller is used for controlling the straight passage control device to control the state of the straight air inlet passage according to a relation of an indoor temperature, a set temperature and an outdoor temperature. According to the technical scheme, the energy-saving fresh-air air conditioner control system has the advantages of energy conservation and applicability to the all-weather condition.
Description
Technical field
The invention belongs to electrical equipment and field of ventilation equipment, particularly relate to a kind of energy-saving fresh air air-conditioner control system.
Background technology
A set of independent air treatment system that VMC is made up of fresh air ventilator and conduit fittings, outdoor live gas is passed through filtration, purification by fresh air ventilator, by Cemented filling to indoor, by outside foul indoor, hypoxic air discharge chamber.While providing fresh air to indoor, outdoor air themperature also can form interference to the air themperature of indoor is inevitable.
All parts of the world, throughout the year, the difference of outdoor temperature is very large, has, even if within one day, round the clock, has a narrow range of temperature the then several years, greatly then tens degree from subzero tens degree to tens degree above freezing.Existingly make us very comfortable temperature, make us again very uncomfortable temperature.
While the feeding fresh air of indoor, how accomplishing to avoid uncomfortable outdoor temperature to import indoor into, comfortable outdoor temperature can be made again to import indoor into as early as possible, is a set of desirable VMC, the target should striven in temperature control.
Existing VMC, has way flow VMC and bidirectional flow VMC.
Way flow VMC, is a kind of easy VMC, sends into fresh air by unidirectional ventilation blower fan to indoor appointed area, the foul atmosphere in door and window seam discharge chamber; Or foul atmosphere is extracted discharged to outdoor in appointed area indoor, from door and window seam to indoor inhale fresh air, as Fig. 1.Or in air conditioning chamber's internal circulation system, increase new wind air distribution put-through channel, control new wind by air-valve and enter and carry out air distribution, air distribution power resources in the Air Conditioning circulatory system, as Fig. 2.
The in line type VMC of bidirectional flow, as shown in Figure 3, be comparatively formal VMC, existing air intake passage, has air exhaust passage again.Namely directly outdoor fresh air is entered indoor appointed area, simultaneously by outside the foul atmosphere discharge chamber of indoor appointed area, at the air stream that indoor formation one is complete.
The VMC of several structure above, between outdoor and indoor air themperature is conducted, all without any control measure, indoor temperature is very large by the impact of outdoor temperature.It is inapplicable when outside air temperature is too high or too low.
In order to solve the problem, prior art proposes another kind of energy-saving, as shown in Figure 4, on the basis of the in line type VMC of bidirectional flow, heat exchanger is added between indoor, outdoor air, outdoor undesirable temperature can be reduced to the interference of indoor temperature, reduce the loss of indoor ideal temperature energy, there is certain energy-conserving action.But when outside air temperature is more desirable than indoor temperature, this mode timely and effectively cannot utilize outdoor desirable temperature energy, so the structure that prior art provides cannot be applicable to all weather conditions.
Summary of the invention
The object of the embodiment of the present invention be to provide a kind of can the energy-saving fresh air air-conditioner control system automatically changed of control room internal and external temperature Energy harvesting operational mode.Both can utilize outdoor temperature energy timely and effectively when outdoor temperature is desirable, the loss of indoor temperature energy can be reduced again when outdoor temperature is undesirable.Comprise the energy-efficient fresh air conditioner control system of heat exchanger, and the common energy-saving fresh air air-conditioner control system of not heat exchanger, be intended to solve the problem that existing technical scheme cannot be applicable to all weather conditions.
Concrete feature is as follows: when outdoor temperature is undesirable, reduces outdoor temperature to the interference of indoor temperature as far as possible, reduces the loss of indoor temperature energy as far as possible; When outdoor temperature is desirable, makes outdoor temperature import indoor into as early as possible, change towards design temperature to make indoor temperature.Utilize natural temperature energy regulate and improve indoor temperature as far as possible, reach the object of saving energy consumption.
The energy-efficient fresh air conditioner control system of heat exchanger, when outdoor temperature is undesirable, can automatically switch to heat exchange state, outdoor air enters indoor through hot switching path, temperature energy outside the indoor discharge chamber of recovery section, reduces the loss of indoor temperature energy as far as possible; When outdoor temperature is desirable, outer temperature pass-through state can be automatically switched to, outdoor air directly enters indoor through straight-through inlet channel, does not carry out heat exchange with the air outside indoor discharge chamber, utilizes outdoor desirable air themperature that indoor temperature is changed to design temperature fully in time;
The common energy-saving fresh air air-conditioner control system of heat exchanger, when outdoor temperature is undesirable, can not automatically switch to low discharge pattern, can ensure the oxygen content that indoor breathing is used, reduces the loss of indoor temperature energy as far as possible; When outdoor temperature is desirable, automatically switch to large discharge pattern, utilize outdoor desirable air themperature that indoor temperature is changed to design temperature.
On the one hand, provide a kind of energy-saving fresh air air-conditioner control system, described system comprises: straight-through inlet channel, put-through channel control appliance and controller; Wherein,
Straight-through inlet channel is specially: outdoor enters the passage that indoor air and the indoor air discharged to outdoor do not carry out heat exchange.It can be independently special straight-through inlet channel, also can be can conversion work state, change to the variable straight-through inlet channel not carrying out heat exchange, such as the room air exhaust passage of carrying out heat exchange is quit work, foul indoor air changes and is stitched discharged to outdoor by other passage or door and window, also can reach the object that original inlet channel does not carry out heat exchange, make its variable body for straight-through inlet channel;
Put-through channel control appliance, comprises blower fan, electric control air valve etc., and for controlling the state of straight-through inlet channel, described state comprises: opening state and non-opening state;
Optionally, the energy-efficient fresh air conditioner control system of heat exchanger,
Described opening state is specially: the unlatching of straight-through inlet channel;
Described non-opening state is specially: the closedown of straight-through inlet channel;
Optionally, the not common energy-saving fresh air air-conditioner control system of heat exchanger,
Described opening state is specially: the air mass flow of straight-through inlet channel is greater than the minimum discharge of indoor oxygen demand;
Described non-opening state is specially: the air mass flow of straight-through inlet channel is the minimum discharge of indoor oxygen demand.
Controller, controls the state of described straight-through inlet channel for put-through channel control appliance according to indoor temperature, relation order between design temperature and outdoor temperature.
Optionally, described controller, specifically for such as indoor temperature, relation between design temperature and outdoor temperature meet outdoor temperature equal design temperature time, then the state of ordering described put-through channel control appliance to control described straight-through inlet channel is opening state.
Optionally, described controller, specifically for such as indoor temperature, relation between design temperature and outdoor temperature meet outdoor temperature be less than design temperature and indoor temperature be greater than design temperature or indoor temperature be less than outdoor temperature time, then the state of ordering described put-through channel control appliance to control described straight-through inlet channel is opening state.
Optionally, described controller, to meet when outdoor temperature is greater than design temperature specifically for such as indoor temperature, relation between design temperature and outdoor temperature and indoor temperature is less than design temperature or indoor temperature when being greater than outdoor temperature, then the state of ordering described put-through channel control appliance to control described straight-through inlet channel is opening state.
In embodiments of the present invention, technical scheme provided by the invention provides a kind of energy-saving fresh air air-conditioner control system, comprise the energy-efficient fresh air conditioner control system of heat exchanger, the not common energy-saving fresh air air-conditioner control system of heat exchanger, this energy-saving fresh air air-conditioner control system has the advantage adapting to all weather conditions.
Accompanying drawing explanation
The structural representation of the way flow VMC that Fig. 1 provides for prior art;
The structural representation of the way flow VMC of the electric control air valve air distribution that Fig. 2 provides for prior art;
The structural representation of the in line type VMC of bidirectional flow that Fig. 3 provides for prior art;
The structural representation of the bidirectional flow VMC of the band heat exchange that Fig. 4 provides for prior art;
Fig. 5 is the structural representation of the energy-efficient fresh air conditioner control system of a kind of brand new provided by the invention.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The specific embodiment of the invention provides a kind of energy-saving fresh air air-conditioner control system, and this system comprises: straight-through inlet channel, put-through channel control appliance and controller; Wherein,
Put-through channel control appliance, for controlling the state of straight-through inlet channel, described state comprises: opening state and non-opening state;
Controller, controls the state of described straight-through inlet channel for put-through channel control appliance according to indoor temperature, relation order between design temperature and outdoor temperature.
Optionally, above-mentioned straight-through inlet channel is specifically as follows: except independently not carrying out except the special straight-through inlet channel of heat exchange, straight-through inlet channel, also can be can conversion work state, changed to the variable straight-through inlet channel not carrying out heat exchange by the inlet channel carrying out heat exchange, can certainly be door and window put-through channel; Above-mentioned put-through channel control appliance is specifically as follows, and the fan (as shown in Figure 1) of straight-through inlet channel can also be electric control air valve (as shown in Figure 2) or automatically controlled door and window certainly.
Above-mentioned opening state is specifically as follows: the energy-efficient fresh air conditioner control system of heat exchanger, and straight-through inlet channel is opened; The not common energy-saving fresh air air-conditioner control system of heat exchanger, the air mass flow of straight-through inlet channel is greater than the minimum discharge of indoor oxygen demand; Above-mentioned non-opening state is specifically as follows: the energy-efficient fresh air conditioner control system of heat exchanger, and straight-through inlet channel is closed; The not common energy-saving fresh air air-conditioner control system of heat exchanger, the air mass flow of straight-through inlet channel is the minimum discharge of indoor oxygen demand.
Here the object of setting 2 states is needed, because in the energy-saving fresh air air-conditioner control system of reality, the energy-efficient fresh air conditioner control system of heat exchanger, its inlet channel can be changed between straight-through inlet channel and heat exchange inlet channel, after its straight-through inlet channel is closed, open heat exchange inlet channel simultaneously, can guarantee to provide fresh air to indoor; The not common energy-saving fresh air air-conditioner control system of heat exchanger, if after its straight-through inlet channel is closed, then can not provide fresh air to indoor completely, the fresh air outside required for indoor occupant cannot be ensured, therefore it generally should not closed completely, so when external air temperature is desirable, extraneous air can enter indoor temperature is improved as early as possible by large discharge, when external air temperature is undesirable, extraneous air low discharge enters indoor, to guarantee the fresh air outside required for indoor occupant.
Embodiment 1
The specific embodiment of the invention provides a kind of energy-efficient fresh air conditioner control system of brand new, this energy-efficient fresh air conditioner control system as described in Figure 5, comprising: heat exchanger 1, foul indoor air passing away 2 between disposed in the interior and outdoor, indoor fresh air enters passage 3, outdoor fresh air enters passage 4, outdoor foul atmosphere passing away 5, outdoor fresh air are straight-through enters passage 7, electric control valve and controller;
Wherein, the output of foul indoor air passing away 2 is communicated with heat exchanger 1, the input that indoor fresh air enters passage 3 is communicated with heat exchanger 1, the output that outdoor fresh air enters passage 4 is communicated with heat exchanger 1, and the input of outdoor foul atmosphere passing away 5 is communicated with heat exchanger 1; Outdoor fresh air leads directly to the output entering passage 7 and enters passage 3 with indoor fresh air and be communicated with, and controller is electrically connected with electric control valve;
Outdoor fresh air enters passage 4 and is provided with electric control valve with straight-through the entering in passage 7 of outdoor fresh air; Optionally, enter passage 4 at outdoor fresh air to lead directly to outdoor fresh air the intersection entering passage 7 and be provided with Electrocontrolled tee valve;
Controller, enters passage 4 and described outdoor fresh air leads directly to the state entering passage 7 for controlling described outdoor fresh air according to indoor temperature, relation order electric control valve between design temperature and outdoor temperature.
Operation principle of the present invention is, owing to which increasing, outdoor fresh air is straight-through enters passage 7, this passage outdoor temperature enter indoor temperature can be made to change towards design temperature time, second electric control valve 8 is opened, first electric control valve 6 is closed, outdoor fresh air enters passage 4 and closes, and outdoor air enters passage 7 walk around heat exchanger 1 by outdoor fresh air is straight-through, directly enters into indoor and carries out new wind exchange, otherwise, second electric control valve 8 is closed, outdoor fresh air is straight-through to be entered passage 7 and closes, first electric control valve 6 is opened, outdoor fresh air enters passage 4 and new wind is drained into heat exchanger 1, heat exchanger 1 work realizes the input of new wind and heat exchange, so this energy-efficient fresh air conditioner system can adapt to all situations, application scheme of the present invention has intelligent control scheme, by to indoor temperature, outdoor temperature, compare with ideal temperature 3 numerical value preset, if entering of outdoor temperature can make indoor temperature change towards design temperature, controller control electric control valve 6 is closed outdoor fresh air and is entered passage 4, simultaneously, controller controls electric control valve 8 and opens that outdoor fresh air is straight-through enters passage 7, outdoor air walks around heat exchanger 1, directly enter into indoor carry out new wind exchange by the straight-through passage 7 that enters of outdoor fresh air, bring the ideal temperature of outdoor into indoor, indoor temperature is changed towards design temperature, otherwise, controller control electric control valve 6 is opened outdoor fresh air and is entered passage 4, control electric control valve 8 with Time Controller and close that outdoor fresh air is straight-through enters passage 7, outdoor air enters into indoor through over-heat-exchanger 1 and carries out new wind exchange, makes indoor temperature remain on perfect condition as far as possible.
Embodiment 2
The specific embodiment of the invention provides another kind of energy-efficient fresh air conditioner control system, this energy-efficient fresh air conditioner control system, with reference to described in Fig. 4 structure, comprising: heat exchanger, foul indoor air passing away between disposed in the interior and outdoor, indoor fresh air enters passage, outdoor fresh air enters passage, outdoor foul atmosphere passing away, add controller;
Wherein, the output of foul indoor air passing away is communicated with heat exchanger, the input that indoor fresh air enters passage is communicated with heat exchanger, and the output that outdoor fresh air enters passage is communicated with heat exchanger, and the input of outdoor foul atmosphere passing away is communicated with heat exchanger; Controller is electrically connected with the blower fan of foul atmosphere passing away;
Controller, opening and closing for foul atmosphere passing away according to the air-blower control of indoor temperature, relation order foul atmosphere passing away between design temperature and outdoor temperature, and then make fresh air enter passage to enter passage and fresh air leads directly to the state entering and change between passage at heat exchange fresh air.
Operation principle of the present invention is, owing to which increasing the air-blower control of controller to foul atmosphere passing away, foul atmosphere passing away is made to open and close, outdoor temperature enter indoor temperature can be made to change towards design temperature time, foul atmosphere passing away is closed, foul atmosphere is outside door and window seam discharge chamber, and fresh air enters passage and enters passage by heat exchange fresh air and change that fresh air is straight-through enters passage into, and outdoor air directly enters into indoor by this passage without heat exchange, otherwise, foul atmosphere passing away is open-minded, fresh air enters passage and gets back to again the state that heat exchange fresh air enters passage, and outdoor fresh air enters into indoor by this passage through heat exchange, so this energy-efficient fresh air conditioner system can adapt to all situations, application scheme of the present invention has intelligent control scheme, by to indoor temperature, outdoor temperature, compare with ideal temperature 3 numerical value preset, if entering of outdoor temperature can make indoor temperature change towards design temperature, the blower fan that controller controls foul atmosphere passing away cuts out foul atmosphere passing away, foul atmosphere is outside door and window seam discharge chamber, fresh air enters passage and enters passage by heat exchange fresh air and change that fresh air is straight-through enters passage into, outdoor air directly enters into indoor by this passage without heat exchange, bring the ideal temperature of outdoor into indoor, indoor temperature is changed towards design temperature, otherwise foul atmosphere passing away opened by the blower fan that controller controls foul atmosphere passing away, and outdoor air enters into indoor through over-heat-exchanger and carries out new wind exchange, make indoor temperature remain on perfect condition as far as possible.
Embodiment 3
The specific embodiment of the invention provides other several common energy-saving fresh air air-conditioner control system without heat exchanger, this common energy-saving fresh air air-conditioner control system is with reference to described in Fig. 1, Fig. 2, Fig. 3 structure, comprise: the fresh air between disposed in the interior and outdoor enters blower fan on passage or foul atmosphere passing away, passage or electric control air valve, adds controller;
Wherein, controller and fresh air enter the blower fan of passage (or foul atmosphere passing away---only point to the way flow VMC of outer air draft) or electric control air valve is electrically connected,
Controller, blower fan or electric control air valve for entering passage according to indoor temperature, relation order fresh air between design temperature and outdoor temperature control the flow that described fresh air enters passage and increase and reduce.
Operation principle of the present invention is, the blower fan of passage is entered to fresh air or electric control air valve controls owing to which increasing controller, the flow making fresh air enter passage increases and reduces, outdoor temperature enter indoor temperature can be made to change towards design temperature time, the flow that fresh air enters passage increases, and the outdoor air of large discharge enters into indoor by this passage; Otherwise the flow that fresh air enters passage reduces, and the outdoor fresh air of low discharge enters into indoor, to guarantee the respiratory oxygen of indoor occupant.So Ben Putong energy-saving fresh air air-conditioning system can adapt to most weather condition; Application scheme of the present invention has intelligent control scheme, by comparing indoor temperature, outdoor temperature and default ideal temperature 3 numerical value, if entering of outdoor temperature can make indoor temperature change towards design temperature, controller enters blower fan or the electric control air valve control of passage to fresh air, the flow making fresh air enter passage increases, bring the ideal temperature large discharge of outdoor into indoor, indoor temperature is changed towards design temperature fast; Otherwise, controller enters blower fan or the electric control air valve control of passage to fresh air, and the flow making fresh air enter passage reduces, and the outdoor fresh air of low discharge enters into indoor, to guarantee the respiratory oxygen of indoor occupant, make indoor temperature remain on perfect condition as far as possible.
The straight-through inlet channel illustrated in the specific embodiment of the invention, straight-through enter passage if no special instructions, all refer to the inlet channel without heat exchange.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. an energy-saving fresh air air-conditioner control system, is characterized in that, described system comprises: straight-through inlet channel, put-through channel control appliance and controller; Wherein,
Put-through channel control appliance, for controlling the state of straight-through inlet channel, described state comprises: opening state and non-opening state;
Controller, controls the state of described straight-through inlet channel for put-through channel control appliance according to indoor temperature, relation order between design temperature and outdoor temperature.
2. a kind of energy-saving fresh air air-conditioner control system according to claim 1, is characterized in that, described straight-through inlet channel is specially:
Outdoor enters indoor air does not carry out heat exchange discharged to the air of outdoor special straight-through inlet channel with indoor;
Or outdoor enters indoor air and the indoor air discharged to outdoor has been the straight-through inlet channel not carrying out heat exchange by heat exchange Status Change.
3. a kind of energy-saving fresh air air-conditioner control system according to claim 1, it is characterized in that, described system also comprises heat exchanger,
Described opening state is specially: the unlatching of straight-through inlet channel;
Described non-opening state is specially: the closedown of straight-through inlet channel.
4. a kind of energy-saving fresh air air-conditioner control system according to claim 1, it is characterized in that, described system does not comprise heat exchanger,
Described opening state is specially: the air mass flow of straight-through inlet channel is greater than the minimum discharge of indoor oxygen demand;
Described non-opening state is specially: the air mass flow of straight-through inlet channel is the minimum discharge of indoor oxygen demand.
5. a kind of energy-saving fresh air air-conditioner control system according to claim 1, is characterized in that,
Described controller, specifically for such as indoor temperature, relation between design temperature and outdoor temperature meet outdoor temperature equal design temperature time, then the state of ordering described put-through channel control appliance to control described straight-through inlet channel is opening state.
6. a kind of energy-saving fresh air air-conditioner control system according to claim 1, is characterized in that,
Described controller, specifically for such as indoor temperature, relation between design temperature and outdoor temperature meet outdoor temperature be less than design temperature and indoor temperature be greater than design temperature or indoor temperature be less than outdoor temperature time, then the state of ordering described put-through channel control appliance to control described straight-through inlet channel is opening state.
7. a kind of energy-saving fresh air air-conditioner control system according to claim 1, is characterized in that,
Described controller, to meet when outdoor temperature is greater than design temperature specifically for such as indoor temperature, relation between design temperature and outdoor temperature and indoor temperature is less than design temperature or indoor temperature when being greater than outdoor temperature, then the state of ordering described put-through channel control appliance to control described straight-through inlet channel is opening state.
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CN107202411A (en) * | 2017-06-23 | 2017-09-26 | 深圳大然新风科技有限公司 | Fresh air output switching control method and VMC in new blower fan |
CN107702250A (en) * | 2017-10-11 | 2018-02-16 | 宁波奈兰环境***有限公司 | Fresh air heat pump all-in-one |
CN110595005A (en) * | 2019-09-29 | 2019-12-20 | 珠海格力电器股份有限公司 | Unit control method and device based on heat recovery and heat exchange quantity and air conditioning unit |
CN114543171A (en) * | 2022-02-16 | 2022-05-27 | 青岛海信日立空调***有限公司 | Air conditioner |
CN114811753A (en) * | 2022-05-20 | 2022-07-29 | 珠海格力电器股份有限公司 | Air conditioner outdoor unit, air conditioner and control method of air conditioner outdoor unit |
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