CN204757260U - Air supply system and phytotron - Google Patents

Air supply system and phytotron Download PDF

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Publication number
CN204757260U
CN204757260U CN201520393045.XU CN201520393045U CN204757260U CN 204757260 U CN204757260 U CN 204757260U CN 201520393045 U CN201520393045 U CN 201520393045U CN 204757260 U CN204757260 U CN 204757260U
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CN
China
Prior art keywords
air
air channel
outlet
supply
channel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201520393045.XU
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Chinese (zh)
Inventor
马添
杜丽杰
李鸿廷
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BEIJING ESHENGTAIHE CTRL TECH Co Ltd
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BEIJING ESHENGTAIHE CTRL TECH Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Priority to CN201520393045.XU priority Critical patent/CN204757260U/en
Application granted granted Critical
Publication of CN204757260U publication Critical patent/CN204757260U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides an air supply system and phytotron, air supply system includes fan and wind channel, the wind channel has air intake and air outlet, the air outlet combustion gas of fan passes through the air inlet in wind channel goes into in the wind channel, be equipped with a plurality of exports on the lateral wall in wind channel, and the flow area in wind channel follows the air intake in wind channel to the air outlet in wind channel diminishes. The utility model provides an air supply system, through set up a plurality of exports on the lateral wall in wind channel for air outlet combustion gas from the fan can be constantly through a plurality of the export is carried to each position, through the flow area in wind channel follows the air intake in wind channel to the air outlet in wind channel diminishes for the gaseous even unanimity of the velocity of flow in the wind channel, the export combustion gas velocity of flow of following the wind channel is also even unanimous, has reached the purpose of balanced ventilation, has reduced the noise.

Description

Supply air system and phjytotron
Technical field
The utility model relates to gas flowing technical field, especially relates to a kind of supply air system and phjytotron.
Background technology
Supply air system is that (gas of conveying can be outdoor new wind to indoor conveying gas, also can be indoor secondary return air) a kind of equipment, to meet the requirement of indoor gas content or the heat exchange between the gas carried by supply air system and indoor gas is reduced or raises indoor temperature.
Particularly, supply air system can be used in phjytotron, phjytotron be can Artificial Control illumination, temperature, humidity, the factor such as air pressure and gas componant airtight xegregating unit, also known as controllable environment laboratory.Phjytotron is made up of control room, air-handling chamber and environmental laboratory three part.Surveying the deviation of device continuously between the actual value in testing environment laboratory and positive definite value according to patrolling, automatically sending actuating signal and passing to various executing agency respectively and carry out action.
In the phjytotron that some need control temperature constant, because a few thing equipment in phjytotron is in the process used, constantly outwards dispel the heat, the temperature of phjytotron is constantly raised, in order to the temperature in maintenance work district is very fixed, need configuration supply air system constantly to send into outdoor new wind in phjytotron, maintained the temperature constant of phjytotron by the heat exchange of the gas in the new wind in outdoor and phjytotron.
But need the occasion (such as Minitype manual climatic chamber) of carrying out Wind Volume air-supply for some spaces are smaller, adopt supply air system of the prior art while meeting Wind Volume air-supply, the object of balanced ventilation cannot be realized, often bring larger noise.
Utility model content
The purpose of this utility model is to provide a kind of supply air system, to solve the defect that supply air system of the prior art cannot realize balanced ventilation.
The supply air system that the utility model provides, comprise blower fan and air channel, described air channel has air inlet and air outlet, the gas that the air outlet of described blower fan is discharged enters in described air channel by the air inlet in described air channel, the sidewall in described air channel is provided with multiple outlet, and the circulation area in described air channel diminishes from the air inlet in described air channel to the air outlet in described air channel.
Wherein, the same cross section along described air channel is provided with multiple outlet, and the multiple described outlet being positioned at the same cross-section in described air channel is evenly arranged along the circumference in described air channel.
Wherein, described supply air system comprises the described air channel of many groups, and many group intervals, described air channel are arranged side by side.
Wherein, described air channel comprises the blast pipe, intervalve and the discharge pipe that are communicated with successively, and wherein, the air inlet of described blast pipe near described air channel is arranged, the air outlet of described discharge pipe near described air channel is arranged;
The flow area of described blast pipe, described intervalve and described discharge pipe reduces successively.
Wherein, described intervalve is multiple.
Wherein, the sidewall of described blast pipe, intervalve and discharge pipe is respectively equipped with multiple described outlet.
Wherein, described supply air system also comprises air-supply orifice plate spaced with multiple described outlet, and described air-supply orifice plate is distributed with multiple through hole, and the air outlet in multiple described outlet and described air channel is all communicated with the through hole on described air-supply orifice plate.
Wherein, multiple described through hole distributes along the surface uniform of described air-supply orifice plate.
Wherein, described air channel is conical air pipe, and the big opening end of described conical air pipe is the air inlet in described air channel, and the osculum end of described conical air pipe is the air outlet in described air channel; The sidewall of described conical air pipe is provided with multiple described outlet.
The utility model also provides a kind of phjytotron, and wherein, described phjytotron comprises supply air system described in the utility model.
The supply air system that the utility model provides, by arranging multiple outlet on the sidewall in described air channel, make the gas of discharging from the air outlet of blower fan constantly can be delivered to each position by multiple described outlet, diminished from the air inlet in described air channel to the air outlet in described air channel by the circulation area in described air channel, make the flow velocity uniformity of gas in air channel, from the gas flow rate also uniformity that the outlet in air channel is discharged, reach the object of balanced ventilation, reduce noise.In addition, owing to not increasing the length in air channel, but achieve the object of balanced ventilation by the improvement of air channel self structure, but be therefore highly suitable for the smaller occasion needing to carry out Wind Volume air-supply in some spaces, due to air channel balanced ventilation, substantially reduce noise.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model detailed description of the invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in detailed description of the invention or description of the prior art below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation (show the supply air system that the utility model embodiment provides in figure, in figure, arrow represents the flow direction of gas) of the phjytotron that Fig. 1 provides for the utility model embodiment;
Fig. 2 is the internal structure schematic diagram in the air channel in Fig. 1.
Reference numeral:
11-blower fan; 12-air channel;
121-air inlet; 122-air outlet;
123-blast pipe; 124-intervalve;
125-discharge pipe; 126-exports;
13-blows orifice plate; A-static pressure interlayer;
B-workspace; C-return air interlayer.
Detailed description of the invention
Be clearly and completely described the technical solution of the utility model below in conjunction with accompanying drawing, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
In description of the present utility model, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the utility model and simplified characterization for convenience of description; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second ", " the 3rd " only for describing object, and can not be interpreted as instruction or hint relative importance.Wherein, term " primary importance " and " second place " are two different positions.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For those of ordinary skill in the art
, concrete condition can understand the concrete meaning of above-mentioned term in the utility model.
The structural representation (show the supply air system that the utility model embodiment provides in figure, in figure, arrow represents the flow direction of gas) of the phjytotron that Fig. 1 provides for the utility model embodiment; Fig. 2 is the internal structure schematic diagram in the air channel in Fig. 1.As depicted in figs. 1 and 2, the supply air system that the utility model provides, comprise blower fan 11 and air channel 12, described air channel 12 has air inlet 121 and air outlet 122, the gas that the air outlet of described blower fan 11 is discharged enters in described air channel 12 by the air inlet 121 in described air channel 12, the sidewall in described air channel 12 is provided with multiple outlet 126, and the circulation area in described air channel 12 diminishes from the air inlet 121 in described air channel 12 to the air outlet 122 in described air channel 12.
Particularly, blower fan 11 is the mechanical energy relying on input, improves gas pressure and to supply gas side by side the machinery of body.The live gas of outdoor can be entered indoor by blower fan 11.Described blower fan 11 can be connected by pipeline with the air inlet 121 in described air channel 12, also can connect by obstructed piping.To flow the resistance be subject to reduce gas, preferred described blower fan 11 is connected with obstructed piping between described air channel 12, and as shown in Figure 1, the air that blower fan 11 is discharged is by the air inlets flow of any resistance ground to air channel 12.
Particularly, the sidewall in air channel 12 is provided with multiple outlet 126, and as shown in Figure 1, the gas in air channel 12 by the multiple outlets 126 on sidewall outwardly, multiple outlets 126 can be arranged on the diverse location of the sidewall in air channel 12, the gas of Wind Volume can be delivered to each position like this.Preferably, the air-out direction of multiple outlet 126 is different, and direction is more, then more by gas to different direction Exhaust Gas, thus can reach the object of balanced ventilation.It should be noted that, the air-out direction of the outlet 126 described in the present embodiment refers to, the gas in air channel 12 is at the flow direction at outlet 126 place.
Sidewall due to described air channel 12 is provided with multiple outlet 126, make the process flowed from the air inlet in air channel 12 to gas outlet at gas, air is discharged in outside constantly to air channel 12, therefore, the circulation area (i.e. cross-sectional area) in air channel 12 needs to trend towards reducing, to enable gas equably discharged to the outside in air channel 12.The cross-sectional area in air channel 12 can be circle, positive direction, rectangle, or other shapes be applicable to.The number of outlet 126 can be two, three, four, five, six ..., the number of outlet 126 is arranged according to the cross-sectional area in air channel 12, and the cross-sectional area in air channel 12 is larger, then the number of outlet 126 is more; Otherwise the cross-sectional area in air channel 12 is less, then the number of outlet 126 is less.
The reduction degree of the circulation area (i.e. cross-sectional area) in air channel 12 is according to how many settings of the outlet 126 on air channel 12, usually, the outlet more than 126 on air channel 12, gas is discharged to the outside in air channel 12 muchly, so, what the cross-sectional area in air channel 12 reduced is faster; Otherwise the outlet 126 on air channel 12 is fewer, then less gas is discharged to the outside in air channel 12, and so, it is slower that the cross-sectional area in air channel 12 reduces.
The supply air system that the utility model provides, by arranging multiple outlet 126 on the sidewall in described air channel 12, make the gas of discharging from the air outlet of blower fan 11 constantly can be delivered to each position by multiple described outlet 126, diminished from the air inlet 121 in described air channel 12 to the air outlet 122 in described air channel 12 by the circulation area in described air channel 12, make the flow velocity uniformity of gas in air channel 12, from the gas flow rate also uniformity that the outlet 126 in air channel 12 is discharged, reach the object of balanced ventilation.In addition, owing to not increasing the length in air channel 12, but achieved the object of balanced ventilation by the improvement of air channel 12 self structure, but be therefore highly suitable for the smaller occasion needing to carry out Wind Volume air-supply in some spaces, due to air channel 12 balanced ventilation, substantially reduce noise.
Wherein, on the one hand, multiple outlet 126 distributes along the length direction (above-below direction namely in Fig. 2) in air channel 12; On the other hand, multiple outlet 126 is distributed with along on the same cross section in air channel 12.Preferably, the multiple described outlet 126 being positioned at the same cross-section in described air channel 12 is evenly arranged along the circumference in described air channel 12, be evenly arranged by the circumference of multiple outlet 126 along described air channel 12, gas in air channel 12 can to the even Exhaust Gas of multiple directions, to realize the object of balanced ventilation.
More specifically, when the cross section in air channel 12 is circular, the multiple outlets 126 on the same cross section circle in air channel 12 are uniformly distributed, that is, when the number of outlet 126 is two, two outlets 126 are separated by 180 °; When the number of outlet 126 is three, two adjacent outlets 126 are separated by 120 °; When the number of outlet 126 is four, two adjacent outlets 126 are separated by 90 °.For another example, when the cross section in air channel 12 is square, the multiple described outlet 126 being positioned at the same cross-section in described air channel 12 evenly arranges along the circumference in described air channel 12 and comprises with under type: the outlet 126 of equivalent number that each side in 1) air channel 12 distributes (, two, three or more), 2) see Fig. 2, the side that two of air channel 12 are relative is arranged respectively an outlet 126.
Wherein, described supply air system can comprise the described air channel 12 of many groups, and many group intervals, described air channel 12 are arranged side by side.In the embodiment shown in figure 2, supply air system comprises four groups, and many group air channels 12 to more multiposition air-supply, can further increase the uniformity of air-supply.
Particularly, as shown in Figure 2, described air channel 12 comprises the blast pipe 123, intervalve 124 and the discharge pipe 125 that are communicated with successively, wherein, described blast pipe 123 is arranged near the air inlet 121 in described air channel 12, the air outlet 122 of described discharge pipe 125 near described air channel 12 is arranged, described intervalve 124 is between described first airduct and described second airduct; The flow area of described blast pipe 123, described intervalve 124 and described discharge pipe 125 reduces successively.In the embodiment shown in figure 2, the constant cross-sectional area of blast pipe 123, intervalve 124 and discharge pipe 125, in addition, the cross-sectional area of blast pipe 123, intervalve 124 and discharge pipe 125 also can reduce respectively gradually.
Wherein, described intervalve 124 can be one or more, and the arrangement of multiple intervalve 124 can increase the uniformity of air-supply further.
The sidewall of described blast pipe 123, intervalve 124 and discharge pipe 125 can be respectively equipped with multiple described outlet 126.Multiple outlets 126 add the position of air-supply, and the uniformity of the air-supply also increased further, reduces noise.
Further, described supply air system also comprises and the spaced air-supply orifice plate 13 of multiple described outlets 126, described air-supply orifice plate 13 is distributed with multiple through hole (through hole can be circle, rectangle, positive direction or other shapes), the air outlet 122 in multiple described outlet 126 and described air channel 12 is all communicated with the through hole on described air-supply orifice plate 13.As shown in Figure 1, the gas of discharging from the air outlet 122 in described air channel 12 can by flowing to the right through air-supply orifice plate 13 by the through hole air-supply orifice plate 13 gradually.As depicted in figs. 1 and 2, the multiple outlets 126 be arranged on the sidewall of air channel 12 also can by flowing to the right through air-supply orifice plate 13 by the through hole on air-supply orifice plate 13 gradually.The length direction (i.e. above-below direction in Fig. 1) that preferred air-supply orifice plate 13 is parallel to air channel 12 is arranged.
Preferably, multiple described through hole distributes along the surface uniform of described air-supply orifice plate 13.Air-supply orifice plate 13 plays the effect of uniform air flow distribution, and the number of openings on air-supply orifice plate 13 is more, distributes more even, then effect of blowing is more even.The percent opening of air-supply orifice plate 13 is arranged according to air quantity, and when needs Wind Volume is blown, the circulation area of air-supply orifice plate 13 is larger, and percent opening is larger; When the little air quantity air-supply of needs, the circulation area of air-supply orifice plate 13 is less, and percent opening is less.
The utility model is by the mating reaction of air channel 12 with air-supply orifice plate 13, it is even outwards to blow in air channel 12, more be conducive to the even of orifice plate 13 of blowing, two peak with the use of making the uniformity of air-supply, more utilize and use in little space Wind Volume occasion.
In addition, the present embodiment provides the air channel 12 of another kind of form, particularly, described air channel 12 is conical air pipe (can be conical airduct, also can the side's of being conical air pipe), the big opening end of described conical air pipe is the air inlet 121 in described air channel 12, and the osculum end of described conical air pipe is the air outlet 122 in described air channel 12; The sidewall of described conical air pipe is provided with multiple described outlet 126.Conical air pipe is from big opening end to osculum end, and its cross section reduces gradually.
According to another aspect of the present utility model, provide a kind of phjytotron, as shown in Figure 1, described phjytotron comprises according to supply air system described in the utility model.This supply air system can also comprise return air orifice plate, and wherein, being static pressure interlayer A between the outer wall of airduct and air-supply orifice plate 13, is workspace B between air-supply orifice plate 13 and return air orifice plate.
The gas that the air outlet of blower fan 11 is discharged first enters in air channel 12 by the air inlet in air channel 12, constantly blown in static pressure interlayer A by the multiple outlets 126 on the sidewall of air channel 12 in the flow process of flowing in air channel 12, gas in the B of workspace enters in return air interlayer C more to the right, finally flow to blower fan 11, improve gas pressure after blower fan 11 intake-gas and the air outlet of gas by blower fan 11 is discharged, this completes the circulation of gas flowing.
Blown to the diverse location of static pressure interlayer A by the outlet 126 of multiple different directions, achieve the object of balanced ventilation; The more uniform gas obtained in static pressure interlayer A is blown to workspace B by the through hole on air-supply orifice plate 13 again, thus in the B of workspace, obtain very uniform air quantity, reaches the object of balanced ventilation, and reduces noise.In addition, the utility model is owing to have employed the air channel of convergent, the wind sent from the outlet 126 in air channel is made to be tending towards even, therefore, compared with the air channel of non-tapered of the prior art, static pressure interlayer A in the phjytotron that the utility model provides takes up space reduction, and the width (size of the left and right directions in Fig. 1) of static pressure interlayer A also reduces, and makes this supply air system be more suitable for using in small space.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.

Claims (10)

1. a supply air system, it is characterized in that, described supply air system comprises blower fan and air channel, described air channel has air inlet and air outlet, the gas that the air outlet of described blower fan is discharged enters in described air channel by the air inlet in described air channel, the sidewall in described air channel is provided with multiple outlet, and the circulation area in described air channel diminishes from the air inlet in described air channel to the air outlet in described air channel.
2. supply air system according to claim 1, is characterized in that, the same cross section along described air channel is provided with multiple outlet, and the multiple described outlet being positioned at the same cross-section in described air channel is evenly arranged along the circumference in described air channel.
3. supply air system according to claim 1, is characterized in that, described supply air system comprises the described air channel of many groups, and many group intervals, described air channel are arranged side by side.
4. supply air system according to claim 1, it is characterized in that, described air channel comprises the blast pipe, intervalve and the discharge pipe that are communicated with successively, wherein, the air inlet of described blast pipe near described air channel is arranged, the air outlet of described discharge pipe near described air channel is arranged;
The flow area of described blast pipe, described intervalve and described discharge pipe reduces successively.
5. supply air system according to claim 4, is characterized in that, described intervalve is multiple.
6. supply air system according to claim 4, is characterized in that, the sidewall of described blast pipe, intervalve and discharge pipe is respectively equipped with multiple described outlet.
7. the supply air system according to any one of claim 1-6, it is characterized in that, described supply air system also comprises air-supply orifice plate spaced with multiple described outlet, described air-supply orifice plate is distributed with multiple through hole, and the air outlet in multiple described outlet and described air channel is all communicated with the through hole on described air-supply orifice plate.
8. supply air system according to claim 7, is characterized in that, multiple described through hole distributes along the surface uniform of described air-supply orifice plate.
9. supply air system according to claim 1, is characterized in that, described air channel is conical air pipe, and the big opening end of described conical air pipe is the air inlet in described air channel, and the osculum end of described conical air pipe is the air outlet in described air channel; The sidewall of described conical air pipe is provided with multiple described outlet.
10. a phjytotron, is characterized in that, comprises the supply air system according to any one of claim 1-9.
CN201520393045.XU 2015-06-09 2015-06-09 Air supply system and phytotron Expired - Fee Related CN204757260U (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105546709A (en) * 2016-02-04 2016-05-04 山东格瑞德集团有限公司 Pore plate air supply and distribution system
CN106123196A (en) * 2016-04-29 2016-11-16 谢东波 A kind of gas-circulating system
CN106705335A (en) * 2016-12-21 2017-05-24 大连理工大学 Working area wall surface attaching jet air conditioning ventilation system
CN107063724A (en) * 2017-03-27 2017-08-18 南京师范大学 Between a kind of artificial environment for performance test
CN107830615A (en) * 2017-10-31 2018-03-23 珠海格力电器股份有限公司 Air conditioner
CN109343587A (en) * 2018-09-27 2019-02-15 保定中创燕园半导体科技有限公司 A kind of CO for full ambient engine control type plantation factory2Device is provided
CN109792912A (en) * 2019-01-29 2019-05-24 江苏农林职业技术学院 A kind of phjytotron internal air circulation system and its control method
CN113455299A (en) * 2021-06-30 2021-10-01 尹晓梅 Wind speed control device for multilayer shelf of mushroom culture room

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105546709A (en) * 2016-02-04 2016-05-04 山东格瑞德集团有限公司 Pore plate air supply and distribution system
CN105546709B (en) * 2016-02-04 2019-01-04 山东格瑞德集团有限公司 Orifice feeding cloth wind system
CN106123196A (en) * 2016-04-29 2016-11-16 谢东波 A kind of gas-circulating system
CN106123196B (en) * 2016-04-29 2017-12-05 谢东波 A kind of gas-circulating system
CN106705335A (en) * 2016-12-21 2017-05-24 大连理工大学 Working area wall surface attaching jet air conditioning ventilation system
CN107063724A (en) * 2017-03-27 2017-08-18 南京师范大学 Between a kind of artificial environment for performance test
CN107830615A (en) * 2017-10-31 2018-03-23 珠海格力电器股份有限公司 Air conditioner
CN107830615B (en) * 2017-10-31 2023-07-14 珠海格力电器股份有限公司 Air conditioner
CN109343587A (en) * 2018-09-27 2019-02-15 保定中创燕园半导体科技有限公司 A kind of CO for full ambient engine control type plantation factory2Device is provided
CN109792912A (en) * 2019-01-29 2019-05-24 江苏农林职业技术学院 A kind of phjytotron internal air circulation system and its control method
CN113455299A (en) * 2021-06-30 2021-10-01 尹晓梅 Wind speed control device for multilayer shelf of mushroom culture room

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Termination date: 20210609