CN202470249U - Temperature adjustment and condensation prevention air conditioning unit - Google Patents

Temperature adjustment and condensation prevention air conditioning unit Download PDF

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Publication number
CN202470249U
CN202470249U CN2012200851359U CN201220085135U CN202470249U CN 202470249 U CN202470249 U CN 202470249U CN 2012200851359 U CN2012200851359 U CN 2012200851359U CN 201220085135 U CN201220085135 U CN 201220085135U CN 202470249 U CN202470249 U CN 202470249U
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China
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air
valve
new
new wind
fresh air
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Expired - Fee Related
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CN2012200851359U
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Chinese (zh)
Inventor
封和平
于林中
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Guangdong Yashi Electrical Appliance Co. Ltd.
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SHANDONG YASHI CO Ltd
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Abstract

A temperature adjustment and condensation prevention air conditioning unit relates to the technical field of air conditioning equipment, and includes a fresh/return air mixed section, a filtering section, a surface cooling section, a heating section and an air supply section that are sequentially arranged, wherein the fresh/return air mixed section includes a fresh air valve and a return air valve; a fresh air preheating device is arranged between the fresh air valve and the return air valve; the mounting position of the fresh air preheating device is opposite to the fresh air valve; a fresh air bypass valve is arranged in parallel with the fresh air valve; and a flow mixing device used for mixing fresh air entering from the fresh air valve and the fresh air bypass valve is arranged between the fresh air preheating device and the return air valve. The temperature adjustment and condensation prevention air conditioning unit has a simple structure, avoids condensation, enables the internal of the air conditioning unit to keep clean and dry, efficiently prolongs the service life of the equipment, prevents the indoor temperature being too high under the condition that the valves are not adjusted through the fresh air preheating device, reduces the energy waste and has a low operation cost.

Description

Condensation air-conditioning unit is prevented in temperature adjustment
Technical field
The utility model relates to air conditioner technical field, and condensation air-conditioning unit is prevented in particularly a kind of temperature adjustment.
Background technology
Along with the fast development of industry, the raising of people's living standard, industries such as medicine, electronics, food are popularized central air conditioner system more and more.Therefore, to high requirement is all arranged in security, reliability, stability, sanitary condition and service life etc. of central air conditioner system self-operating.Guaranteeing to reach under the prerequisite of instructions for use, are also more and more receiving the concern of each air-conditioning producer in the sanitary condition of air-conditioning system and service life, like air-conditioning unit internal environment breed bacteria etc. whether easily.
Because China territory is vast; It is very big that the geography and climate in north and south differs; Have 30 to 40 ℃ like Area during Summer temperature such as the southern South Sea, winter temperature also has about 10 ℃, and winter minimum temperature also has 2 to 3 ℃; Though and wait the Area during Summer temperature to have about 30 ℃ northeastward, winter temperature all be usually subzero more than 20 the degree.This air-conditioning unit that just requires to be used for the two places, north and south is different when design, and paying close attention in moistening south more is the problem of air conditioner dehumidification, and what pay close attention in the north of low temperature is exactly the problem of antifreeze, the anti-condensation of air-conditioning.
The fresh air conditioner unit of asking in the air-conditioning system, its new wind are directly from outdoor extraction, mix with the return air of high temperature again, through filtration and hot wet process after send into indoor.Because northern outdoor temperature is very low, when the new wind and the high temperature return air of low temperature were collided, newly the vaporous water in the wind can condense into aqueous water immediately; Drop in the air-conditioning box; Cause ponding in the air-conditioning box, humid environment, this creates the good environment that grows to bacterium; For air cleaning and conditioning system, this point never allows.For addressing this problem; Traditional fresh air conditioner unit of asking for has been installed new wind preheating device in new wind porch; Shown in accompanying drawing 1, be provided with new air-valve, new wind preheating device, air returning valve, pressure fan, roughing efficiency air filter, medium effeciency filter, table cooling coil, heat(ing) coil, humidifier, electric heater, air-out in its unit successively.New wind preheating device has and adopts electric heater, also has to adopt hot water or steam pipe coil, and these two kinds of heaters can mix with high temperature return air after the outdoor new wind heating with low temperature again, new wind condensation phenomenon can not occur.But regional northeastward, outdoor temperature at subzero more than 20 degree, is raised to new wind-warm syndrome degree above zero every 1000m usually 3The heat that adds that/h wind needs is all wanted the electric energy about 10kW, and resh air requirement increases once big amounts of preheat, if adopt electric heater preheating, every 10000m 3/ h resh air requirement then needs the commercial power of 100kW at least, and this energy consumption also is sizable, brings very big economy and energy burden for enterprise and country.If adopt hot water or steam pipe coil preheating; Though can solve the problem of high power consumption; But bring another thorny problem, and be exactly antifreeze problem, high-temperature-hot-water or steam preheating are through preheat coil and new air heat-exchange; If the preheat coil design discharge is little or Field adjustment flow or flow velocity hour, the new wind of low temperature at any time can be with the preheat coil bursting by freezing.Therefore, freezing for the preheat coil that does not make high-temperature-hot-water or steam preheating, on-the-spot control valve is not normally regulated; Preheat coil is by the oepration at full load of design, and this well builds for some building enclosures: like hospital operating room etc., outdoor temperature is less to its influence; Even in the winter time; Indoorly do not need too much heating yet, if new wind still for preheat coil antifreeze require the required heating valve door of not regulating, the refrigeration system of northerly winter air-conditioning unit can't be used again; Then can directly cause indoor temperature too high, if control valve makes the preheat coil bursting by freezing again most probably.Therefore, be to adopt electric heater or adopt hot water or steam pipe coil that new wind is carried out preheating all to exist weak point.
The utility model content
The utility model purpose is in order to overcome above-mentioned deficiency, provide a kind of power consumption low, can not make the bursting by freezing of new wind preheating device again, can also reach the anti-condensation air-conditioning unit of the temperature adjustment that does not produce the condensation effect.
For solving the problems of the technologies described above; The technical scheme of the utility model is: condensation air-conditioning unit is prevented in a kind of temperature adjustment; Comprise the new air-return mixing section, fillter section, surface cooling section, bringing-up section and the air supply section that set gradually; Said new air-return mixing section comprises new air-valve and air returning valve, is provided with new wind preheating device between said new air-valve and the air returning valve, the corresponding said new air-valve in the installation site of said new wind preheating device; Be provided with new wind by-passing valve side by side with said new air-valve, be provided with between said new wind preheating device and the said air returning valve and be used for flow mixing device that the new wind that gets into from said new air-valve and new wind by-passing valve is mixed.
As a kind of improvement; Said flow mixing device comprises two blocks of side plates that are oppositely arranged; Be equipped with some perforates that are used to ventilate on said two blocks of side plates; Laterally be provided with some dividing plates between said two blocks of side plates, the angle between the plate face of described some dividing plates and the plate face of said side plate is acute angle or obtuse angle.
As further improvement, the plurality of opening rectangular array on the said side plate distributes.
As further improvement, said new wind by-passing valve is located at the top of said new air-valve.
The beneficial effect of the utility model is: because the anti-condensation air-conditioning unit of the said temperature adjustment of the utility model comprises the new wind by-passing valve that is arranged side by side with said new air-valve; Be provided with between the corresponding said new air-valve in the installation site of said new wind preheating device, said new wind preheating device and said air returning valve and be used for flow mixing device that the new wind from said new air-valve and new wind by-passing valve entering is mixed.This kind structure only makes that the novel wind energy that gets into through new air-valve carries out preheating through new wind preheating device, and the new wind that gets into through new wind by-passing valve can not get preheating, after the new wind of the new wind of process preheating and not process preheating carries out mixed flow through flow mixing device; The new wind-warm syndrome degree that comes out is fit to; And cold and hot wind mixes relatively evenly, the phenomenon of cold and hot stratification of wind can not occur, produces condensation with regard to not spending the low back of mixing with the return air of high temperature because of new wind-warm syndrome; Make and keep dry in the air-conditioning box; Minimizing is grown because of bacterium under the wet environment, prevents effectively that also upstream device from corroding because of moist, prolonged the service life of equipment; Avoided again simultaneously in the north for prevent the bursting by freezing of new wind preheating device not closing valve make that new wind preheat temperature is too high; Cause the too high phenomenon of indoor temperature; Promptly protected new wind preheating device not by bursting by freezing; Improve the service life of new wind preheating device, reduced the waste of energy again, practiced thrift the energy.
Because said flow mixing device comprises two blocks of side plates that are oppositely arranged, and is equipped with some perforates that are used to ventilate on said two blocks of side plates, laterally is provided with some dividing plates between said two blocks of side plates; Angle between the plate face of described some dividing plates and the plate face of said side plate is acute angle or obtuse angle; Can the new wind of new wind that passes through preheating and not process preheating be mixed uniformly, make can not produce condensation when new wind mixes with return air that the flow mixing device of this kind structure is compared with the flow mixing device of other structure; For example compare with the flow mixing device that inside is provided with helical structure; Have simple in structure, produce easy for installation, advantage such as production cost is low.
Because said new wind by-passing valve is located at the top of said new air-valve, new air-valve is in the air intake of bottom and new air-valve through the preheating of new wind preheating device, meets hot-air and rises, and the principle that cold air sinks makes that the mixing of two kinds of new wind is more even.
In sum, the utility model is simple in structure, does not produce condensation, makes the drying that keeps clean in the air-conditioning unit, has effectively prolonged the service life of equipment; And can guarantee new wind preheating device not under the situation of control valve indoor temperature be unlikely to too high, reduced the waste of the energy, operating cost is low.
Description of drawings
Fig. 1 is the structural representation of air-conditioning unit in the background technology;
Fig. 2 is the structural representation of the utility model;
Fig. 3 is the structural representation of flow mixing device in the utility model;
Fig. 4 is the left view of Fig. 3;
Among the figure: 1, new air-valve, 2, new wind by-passing valve, 3, new wind preheating device, 4, flow mixing device, 40, side plate; 41, dividing plate, 42, perforate, 5, air returning valve, 6, pressure fan; 7, roughing efficiency air filter, 8, medium effeciency filter, 9, the table cooling coil, 10, heat(ing) coil; 11, humidifier, 12, electric heater, 13, air-out, 14, ultraviolet germicidal lamp.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment, further set forth the utility model.
As shown in Figure 2; Condensation air-conditioning unit is prevented in a kind of temperature adjustment; Comprise the new air-return mixing section, fillter section, surface cooling section, bringing-up section and the air supply section that set gradually; New air-return mixing section comprises new air-valve 1 and air returning valve 5, is provided with new wind preheating device 3 between new air-valve 1 and the air returning valve 5, the corresponding new air-valve 1 in the installation site of new wind preheating device 3; Be provided with new wind by-passing valve 2 side by side with new air-valve 1, be provided with between new wind preheating device 3 and the air returning valve 5 and be used for flow mixing device 4 that the new wind from new air-valve 1 and new wind by-passing valve 2 entering is mixed.The downstream of air returning valve 5 are provided with pressure fan 6; The downstream of pressure fan 6 are provided with ultraviolet germicidal lamp 14; Downstream at ultraviolet germicidal lamp 14 are provided with fillter section; Fillter section comprises the roughing efficiency air filter 7 and medium effeciency filter 8 that sets gradually, and roughing efficiency air filter 7 is a G4 nylon net filter device, and medium effeciency filter 8 is the F8 bag filter; Surface cooling section in the fillter section downstream is provided with table cooling coil 9; Bringing-up section in the surface cooling section downstream is provided with heat(ing) coil 10; Downstream in bringing-up section are provided with humidifier 11 successively, ultraviolet germicidal lamp 14 and air-out 13.New air-valve 1 is motor-driven valve with new wind by-passing valve 2; New wind preheating device 3 be steam coil or hot water preheat coil, compare with the new wind preheating device that adopts electric heater can be big the minimizing energy consumption, the operating cost of reduction air-conditioning unit.This kind structure only makes the novel wind energy that gets into through new air-valve 1 carry out preheating through new wind preheating device 3, and the new wind that gets into through new wind by-passing valve 2 can not get preheating, after the new wind of the new wind of process preheating and not process preheating carries out mixed flow through flow mixing device 4; The new wind-warm syndrome degree that comes out is more suitable; And cold and hot wind mixes, and the phenomenon of cold and hot stratification of wind can not occur, produces condensation with regard to not spending the low back of mixing with the return air of high temperature because of new wind-warm syndrome; Make and keep dry in the air-conditioning box; Minimizing is grown because of bacterium under the wet environment, prevents that also upstream device from corroding because of moist, prolonged the service life of equipment; Avoided again simultaneously in the north for prevent new wind preheating device 3 bursting by freezing not closing valve make that new wind preheat temperature is too high; Cause the too high phenomenon of indoor temperature; Promptly protected new wind preheating device 3 not by bursting by freezing; Improve the service life of new wind preheating device 3, reduced the waste of energy again, practiced thrift the energy.
New wind by-passing valve 2 is located at the top of new air-valve 1, and new air-valve 1 is in the air intake of bottom and new air-valve 1 through new wind preheating device 3 preheatings, meets hot-air and rises, and the principle that cold air sinks makes that the mixing of two kinds of new wind is more even.
Shown in Fig. 3 and Fig. 4 are common; Flow mixing device 4 comprises two blocks of side plates that are oppositely arranged 40; Be equipped with some perforates that are used to ventilate 42 on two blocks of side plates 40; Laterally be provided with some dividing plates 41 between two blocks of side plates 40, the angle between the plate face of some dividing plates 41 and the plate face of side plate 40 is acute angle or obtuse angle, and the angle between the plate face of some dividing plates 41 and the plate face of side plate 40 can be adjusted separately; Plurality of opening 42 rectangular arrays on the side plate 40 distribute; Can the new wind of new wind that passes through preheating and not process preheating be mixed uniformly, make can not produce condensation when new wind mixes with return air that the flow mixing device 4 of this kind structure is compared with the flow mixing device of other structure; For example compare with the flow mixing device that inside is provided with helical structure; Have simple in structure, produce easy for installation, advantage such as production cost is low.
The described flow mixing device 4 of the utility model is not limited to said structure, so long as can play the device of gas mixed flow effect, and this device is arranged between new wind inlet and the return air inlet of air-conditioning unit, all falls into the protection domain of the utility model.
The utility model is not limited to above-mentioned concrete embodiment, and those of ordinary skill in the art is from above-mentioned design, and without performing creative labour, all conversion of having done all drop within the protection domain of the utility model.

Claims (4)

1. condensation air-conditioning unit is prevented in temperature adjustment; Comprise the new air-return mixing section, fillter section, surface cooling section, bringing-up section and the air supply section that set gradually; Said new air-return mixing section comprises new air-valve and air returning valve; Be provided with new wind preheating device between said new air-valve and the air returning valve; The corresponding said new air-valve in the installation site of said new wind preheating device is characterized in that: be provided with new wind by-passing valve side by side with said new air-valve, be provided with between said new wind preheating device and the said air returning valve and be used for flow mixing device that the new wind from said new air-valve and new wind by-passing valve entering is mixed.
2. condensation air-conditioning unit is prevented in temperature adjustment according to claim 1; It is characterized in that: said flow mixing device comprises two blocks of side plates that are oppositely arranged; Be equipped with some perforates that are used to ventilate on said two blocks of side plates; Laterally be provided with some dividing plates between said two blocks of side plates, the angle between the plate face of described some dividing plates and the plate face of said side plate is acute angle or obtuse angle.
3. condensation air-conditioning unit is prevented in temperature adjustment according to claim 2, it is characterized in that: the plurality of opening rectangular array on the said side plate distributes.
4. condensation air-conditioning unit is prevented in temperature adjustment according to claim 1, and it is characterized in that: said new wind by-passing valve is located at the top of said new air-valve.
CN2012200851359U 2012-03-08 2012-03-08 Temperature adjustment and condensation prevention air conditioning unit Expired - Fee Related CN202470249U (en)

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Application Number Priority Date Filing Date Title
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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105691582A (en) * 2016-01-13 2016-06-22 江苏兆胜空调有限公司 Anti-freezing air conditioner for ship
CN107651154A (en) * 2017-09-20 2018-02-02 珠海格力电器股份有限公司 Air conditioner
CN109405092A (en) * 2018-12-26 2019-03-01 珠海格力电器股份有限公司 Air-treatment unit
CN110454931A (en) * 2018-05-08 2019-11-15 厦门圣诚净化工程有限公司 Air-conditioner control system
CN110701692A (en) * 2019-10-23 2020-01-17 同济大学 Air conditioning unit for large-bay operating room and control method thereof
CN111226802A (en) * 2020-03-24 2020-06-05 河南赛诺优农科技有限公司 Fresh air adjusting system, agricultural workshop and fresh air adjusting method
CN111854140A (en) * 2020-07-29 2020-10-30 江苏西墅新能源科技有限公司 Backflow heat exchange device for layered flow of air conditioner
CN113531834A (en) * 2021-07-21 2021-10-22 四川虹美智能科技有限公司 Refrigeration hot-air-proof processing method and device for indoor unit of air conditioner

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105691582A (en) * 2016-01-13 2016-06-22 江苏兆胜空调有限公司 Anti-freezing air conditioner for ship
CN107651154A (en) * 2017-09-20 2018-02-02 珠海格力电器股份有限公司 Air conditioner
CN110454931A (en) * 2018-05-08 2019-11-15 厦门圣诚净化工程有限公司 Air-conditioner control system
CN109405092A (en) * 2018-12-26 2019-03-01 珠海格力电器股份有限公司 Air-treatment unit
CN110701692A (en) * 2019-10-23 2020-01-17 同济大学 Air conditioning unit for large-bay operating room and control method thereof
CN111226802A (en) * 2020-03-24 2020-06-05 河南赛诺优农科技有限公司 Fresh air adjusting system, agricultural workshop and fresh air adjusting method
CN111226802B (en) * 2020-03-24 2024-02-23 河南赛诺优农科技有限公司 Fresh air regulating system, agricultural factory building and fresh air regulating method
CN111854140A (en) * 2020-07-29 2020-10-30 江苏西墅新能源科技有限公司 Backflow heat exchange device for layered flow of air conditioner
CN111854140B (en) * 2020-07-29 2021-10-22 江苏西墅新能源科技有限公司 Backflow heat exchange device for layered flow of air conditioner
CN113531834A (en) * 2021-07-21 2021-10-22 四川虹美智能科技有限公司 Refrigeration hot-air-proof processing method and device for indoor unit of air conditioner
CN113531834B (en) * 2021-07-21 2022-07-12 四川虹美智能科技有限公司 Refrigeration hot-air-proof processing method and device for indoor unit of air conditioner

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C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20180827

Address after: 528451 Guangdong Nashi Electric Appliance Co., Ltd., No. 5 North Tower Road, Nalong Industrial Zone, Nalong Town, Zhongshan, Guangdong

Patentee after: Guangdong Yashi Electrical Appliance Co. Ltd.

Address before: 261062 7898 Taoyuan Street, hi tech Zone, Weifang, Shandong

Patentee before: Shandong Yashi Co., Ltd.

TR01 Transfer of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121003

Termination date: 20200308

CF01 Termination of patent right due to non-payment of annual fee