CN204254754U - The unitary air handling unit that a kind of open-type air flow channel is adjustable - Google Patents
The unitary air handling unit that a kind of open-type air flow channel is adjustable Download PDFInfo
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- CN204254754U CN204254754U CN201420710272.6U CN201420710272U CN204254754U CN 204254754 U CN204254754 U CN 204254754U CN 201420710272 U CN201420710272 U CN 201420710272U CN 204254754 U CN204254754 U CN 204254754U
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Abstract
The unitary air handling unit that a kind of open-type air flow channel is adjustable, relate to air-conditioning technical field, its structure comprises air channel and heat exchanger, angle between the windward side of heat exchanger and the airintake direction of air draught is acute angle, heat exchanger inclination installation takes up room little, be equivalent to the area of the windward side increasing heat exchanger, good effect of heat exchange, and the low-angle windward side scattering to heat exchanger of the air draught on airintake direction, make the speed loss of air draught little, play energy-conservation effect, and make the wind speed everywhere flowing to windward side comparatively even, heat transfer effect can be improved further, in addition, air channel is divided into heat exchanging air duct arranged side by side and ventilation air channel, adjustment dividing plate is provided with in air channel, regulate dividing plate to cut off heat exchanging air duct and open ventilation air channel, make air-flow not by heat exchanger, thus eliminate the loss of heat exchanger to the kinetic energy of air-flow, reduce energy consumption, ensure that the cleaning of heat exchanger.
Description
Technical field
The invention relates to air-conditioning technical field, is specifically related to the unitary air handling unit that a kind of open-type air flow channel is adjustable.
Background technology
At present, for common unitary air handling unit, better heat transfer effect is obtained in order to make it, need increase the heat exchange area of heat exchanger in it, the means that increase heat exchange area generally adopts are the areas of the windward side contacted with air draught increasing heat exchanger, but the increase of windward side will certainly cause heat exchanger volume to increase as far as possible, and then increase production cost, and the heat exchanger of large volume will take larger installation space, be not easy to install, also wasting space resource.In addition, for common unitary air handling unit, without the need to refrigeration or the transition season that heats, air draught equally will through heat exchanger, so just certain resistance is formed to air current flow, such as, when the wind speed of the windward side of heat exchanger is 2.5m/s, will 8 ~ 10Pa be reached to the resistance of air-flow; For ensureing the flow velocity that air draught is certain and flow, breeze fan will produce extra energy consumption to overcome above-mentioned resistance, and the impurity such as the dust that air-flow can carry through heat exchanger by air draught are lost in the gas channel of heat exchanger, if the time one, long being easy to caused heat exchanger dirty stifled, increase the number of times of cleaning heat exchanger.
Summary of the invention
The object of the invention is for deficiency of the prior art, and provides a kind of variable air runner, good effect of heat exchange, takies the adjustable unitary air handling unit of installation space open-type air flow channel that is little, less energy consumption.
The object of the invention is achieved through the following technical solutions:
The unitary air handling unit that a kind of open-type air flow channel is adjustable is provided, comprise cabinet, the new air-valve of described cabinet is located at by the heat exchanger being built in described cabinet, air returning valve and outlet valve, described new air-valve, air returning valve is located at the side of the windward side of described heat exchanger, described outlet valve is located at the side of the outlet air surface of described heat exchanger, the angle of the windward side of described heat exchanger and the airintake direction of air draught is set to acute angle, the airintake direction of the air draught of the side of the windward side of described heat exchanger is provided with air channel, described air channel is divided into heat exchanging air duct arranged side by side and ventilation air channel, described heat exchanging air duct arrives described outlet valve after described heat exchanger, namely described ventilation air channel arrives described outlet valve without described heat exchanger, adjustment dividing plate is provided with in air channel, described adjustment dividing plate is conditioned and cuts off heat exchanging air duct and open ventilation air channel, or described adjustment dividing plate is conditioned partition ventilation air channel and opens heat exchanging air duct.
Wherein, described heat exchanger comprises First Heat Exchanger and the second heat exchanger, one end of described First Heat Exchanger and one end of described second heat exchanger are tightly connected, and the angle between the windward side of the windward side of described First Heat Exchanger and described second heat exchanger is 45 ~ 145 degree, described heat exchanging air duct is formed between the other end of described First Heat Exchanger and the other end of described second heat exchanger, and formed between the first side wall of the other end of described First Heat Exchanger and described cabinet first takes a breath air channel, formed between the other end of described second heat exchanger and the second sidewall of described cabinet second takes a breath road, described first ventilation air channel, second ventilation air channel is respectively equipped with corresponding partition first ventilation air channel, first of second ventilation air channel regulates dividing plate, second regulates dividing plate, when sending new wind, described first regulate dividing plate, second regulate dividing plate respectively relative motion to docking with open described first ventilation air channel, second ventilation air channel.
Wherein, the angle between the windward side of described First Heat Exchanger and the windward side of described second heat exchanger is 60 degree.
Wherein, the angle of the windward side of described First Heat Exchanger, the described windward side of the second heat exchanger and the airintake direction of air draught is 30 degree.
Wherein, the width of described heat exchanging air duct equals the width sum that described first regulates dividing plate and described second adjustment dividing plate.
Wherein, the reciprocating high-temperature resistant electric machine of the described adjustment dividing plate of driving is also comprised.
Wherein, the cable of described motor movement is driven to be high-temperature insulation cable.
The beneficial effect of the invention:
The unitary air handling unit that the open-type air flow channel of the invention is adjustable, comprise and regulate dividing plate and heat exchanger, and the angle between the windward side of heat exchanger and the airintake direction of air draught is acute angle, it is less that heat exchanger inclination installation takies installing space, be equivalent to the area of the windward side increasing heat exchanger, good effect of heat exchange, and the low-angle windward side scattering to heat exchanger of the air draught on airintake direction, make the speed loss of air draught little, play energy-conservation effect, and make the wind speed everywhere flowing to windward side comparatively even, heat transfer effect can be improved further, when sending new wind, regulating dividing plate to cut off heat exchanging air duct and opening ventilation air channel, making air-flow can arrive outlet valve without heat exchanger, thus eliminate the loss of heat exchanger to the kinetic energy of air-flow, both reduced energy consumption, in turn ensure that the cleaning of heat exchanger.
Accompanying drawing explanation
Fig. 1 be the invention unitary air handling unit refrigeration or heat time structural representation;
Fig. 2 be the invention send new wind time structural representation.
Include in Fig. 1 and Fig. 2:
Cabinet 1, the first side wall 11, second sidewall 12;
New air-valve 2, air returning valve 3, outlet valve 4;
Heat exchanger 5, First Heat Exchanger 51, second heat exchanger 52;
Heat exchanging air duct 6;
First ventilation air channel 8, first, ventilation air channel 7, second regulates dividing plate 9, second to regulate dividing plate 10.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the invention is described in further detail, but the embodiment of the invention is not limited thereto.
The specific embodiment of the unitary air handling unit that a kind of open-type air flow channel of the invention is adjustable as shown in Figure 1, comprise cabinet 1, the new air-valve 2 of cabinet 1 is located at by the heat exchanger 5 being built in cabinet 1, air returning valve 3 and outlet valve 4, new air-valve 2, air returning valve 3 is located at the side of the windward side of heat exchanger 5, outlet valve 4 is located at the opposite side of the outlet air surface of heat exchanger 5, new for outside wind is delivered in air-conditioner set by new air-valve 2, outlet valve 4 is by refrigeration or cold wind after heating or be warmly delivered to working space, return air in working space is delivered in air-conditioner set by air returning valve 3, and return air mixes with new wind and re-uses, reach energy-conservation object.
The angle of the windward side of heat exchanger 5 and the airintake direction of air draught is set to acute angle, the airintake direction of the air draught of the side of the windward side of heat exchanger 5 is provided with air channel, described air channel is divided into heat exchanging air duct 6 arranged side by side and ventilation air channel 7,8, heat exchanging air duct 6 arrives outlet valve 4 after heat exchanger 5, namely ventilation air channel 7,8 arrives outlet valve 4 without heat exchanger 5, and being provided with in air channel can at the adjustment dividing plate 9,10 of heat exchanging air duct 6 and movement between air channel 7,8 of taking a breath.As shown in Figure 1, unitary air handling unit refrigeration or when heating, open new air-valve 2, air returning valve 3 and outlet valve 4, regulate dividing plate 9, 10 cut off ventilation air channel 7, 8 and open heat exchanging air duct 6, air draught can only carry out heat exchange with it through heat exchanger 5, air draught after heat exchange is delivered to working space through outlet valve 4, because heat exchanger 5 tilts to install, it is little that it takies installing space, be equivalent to the area of the windward side increasing heat exchanger 5, good effect of heat exchange, and the low-angle windward side scattering to heat exchanger 5 of the air draught on airintake direction, make the speed loss of air draught little, play energy-conservation effect, and make the wind speed everywhere flowing to windward side comparatively even, heat transfer effect can be improved further, as shown in Figure 2, when sending new wind, open new air-valve 2 and outlet valve 4, close air returning valve 3, regulate dividing plate 9,10 to cut off heat exchanging air duct 6 and open ventilation air channel 7,8, air draught can only be delivered to working space through ventilation air channel 7,8 by outlet valve 4, makes air-flow not by heat exchanger 5, thus the loss of the kinetic energy of heat exchanger 5 pairs of air-flows is eliminated, and air-flow without any resistance by ventilation air channel 7,8, is reduced energy consumption, ensure that the cleaning of heat exchanger 5.
In the present embodiment; only need regulate the switching back and forth that dividing plate 9,10 can realize heat exchanging air duct 6 and take a breath between air channel 7,8, control structure is simple, is conducive to guaranteeing the stable switching of unit under different operating mode; ensure the stability of unit work, and cost is low.In addition, also adjustable adjustment dividing plate 9,10 makes heat exchanging air duct 6 and ventilation air channel 7,8 all be in half opening state, and when freezing, the new wind of part making to flow through ventilation air channel 7,8 mixes the humidity to reduce cold wind with the cold wind through heat exchanger 5.
Further, unitary air handling unit also comprises driving and regulates the reciprocating high-temperature resistant electric machine of dividing plate, and the cable of drive motors motion is set to high temperature resistant Teflon insulated cable.When breaking out of fire, the motor of air-conditioner set can also drive and regulate dividing plate normally to work, and reduces potential safety hazard.
As shown in Figure 1, heat exchanger 5 comprises First Heat Exchanger 51 and the second heat exchanger 52, one end of First Heat Exchanger 51 and one end of the second heat exchanger 52 are tightly connected, and the angle between the windward side of the windward side of First Heat Exchanger 51 and the second heat exchanger 52 is set to 45 ~ 145 degree, heat exchanging air duct 6 is formed between the other end of First Heat Exchanger 51 and the other end of the second heat exchanger 52, formed between the other end of First Heat Exchanger 51 and the first side wall 11 of cabinet 1 first takes a breath air channel 7, formed between the other end of the second heat exchanger 52 and the second sidewall 12 of cabinet 1 second takes a breath air channel 8, first ventilation air channel 7, second ventilation air channel 8 is respectively equipped with corresponding partition first ventilation air channel 7, first of second ventilation air channel 8 regulates dividing plate 9, second regulates dividing plate 10.
As shown in Figure 1, unitary air handling unit refrigeration or when heating, open new air-valve 2, air returning valve 3 and outlet valve 4, first regulates dividing plate 9 to cut off the first ventilation air channel 7, second regulates dividing plate 10 to cut off the second ventilation air channel 8, air draught can only through heat exchanging air duct 6 and First Heat Exchanger 51 and, the second heat exchanger 52 carries out heat exchange, as shown in the direction of arrow in Fig. 1, the air draught after heat exchange is delivered to working space through outlet valve 4.Because First Heat Exchanger 51, second heat exchanger 52 all tilts to install, its length space taking cabinet 1 is little, this installation control being equivalent to equal length has installed the windward side of more large-area heat exchanger 5, and then raising heat transfer effect, and the low-angle windward side scattering to First Heat Exchanger 51, second heat exchanger 52 of the air draught on airintake direction, make the speed loss of air draught little, play energy-conservation effect, and make the wind speed everywhere of the windward side flowing to First Heat Exchanger 51, second heat exchanger 52 comparatively even, heat transfer effect can be improved further.
When sending new wind, as shown in Figure 2, open new air-valve 2 and outlet valve 4, close air returning valve 3, first adjustment dividing plate 9, second adjustment dividing plate 10 respectively relative motion extremely docks to open the first ventilation air channel 8, ventilation air channel 7, second, air draught can only be delivered to working space, through the first ventilation air channel 8, ventilation air channel 7, second as shown in the direction of arrow in Fig. 2 by outlet valve 4.When sending new wind, because first regulates dividing plate 9, second to regulate dividing plate 10 to dock common partition heat exchanging air duct 6, make air-flow not by First Heat Exchanger 51, second heat exchanger 52, thus First Heat Exchanger 51, second heat exchanger 52 is eliminated to the loss of kinetic energy flowing through its air-flow, both reduce energy consumption, in turn ensure that the cleaning of heat exchanger 5.
Concrete, the angle between the windward side of First Heat Exchanger 51 and the windward side of the second heat exchanger 52 is set to 60 degree, thus make the windward side of First Heat Exchanger 51, the angle of the windward side of the second heat exchanger 52 and the airintake direction of air draught is 30 degree.Air draught on such airintake direction can scatter to the windward side of First Heat Exchanger 51, the windward side of the second heat exchanger 52 more equably, make the air draught that can contact with windward side more even everywhere, improve heat transfer effect, and the kinetic energy loss of the process air air-flow of scattering is less.
Concrete, the width of heat exchanging air duct 6 equals the width sum of the first adjustment dividing plate 9 and the second adjustment dividing plate 10.Like this when sending new wind, first regulates dividing plate 9, second to regulate dividing plate 10 to dock can cut off heat exchanging air duct 6 jointly completely, and open the first ventilation air channel 8, ventilation air channel 7, second completely, be convenient to air draught smooth and easy by the first ventilation air channel 8, ventilation air channel 7, second.
Above embodiment is only in order to illustrate the technical scheme of the invention, but not the restriction to the invention protection domain, can modify to the technical scheme of the invention or equivalent replacement, and not depart from essence and the scope of the invention technical scheme.
Claims (7)
1. the unitary air handling unit that an open-type air flow channel is adjustable, comprise cabinet, the new air-valve of described cabinet is located at by the heat exchanger being built in described cabinet, air returning valve and outlet valve, described new air-valve, air returning valve is located at the side of the windward side of described heat exchanger, described outlet valve is located at the side of the outlet air surface of described heat exchanger, it is characterized in that: the angle of the windward side of described heat exchanger and the airintake direction of air draught is set to acute angle, the airintake direction of the air draught of the side of the windward side of described heat exchanger is provided with air channel, described air channel is divided into heat exchanging air duct arranged side by side and ventilation air channel, described heat exchanging air duct arrives described outlet valve after described heat exchanger, namely described ventilation air channel arrives described outlet valve without described heat exchanger, adjustment dividing plate is provided with in air channel, described adjustment dividing plate is conditioned and cuts off heat exchanging air duct and open ventilation air channel, or described adjustment dividing plate is conditioned partition ventilation air channel and opens heat exchanging air duct.
2. the unitary air handling unit that a kind of open-type air flow channel according to claim 1 is adjustable, it is characterized in that: described heat exchanger comprises First Heat Exchanger and the second heat exchanger, one end of described First Heat Exchanger and one end of described second heat exchanger are tightly connected, and the angle between the windward side of the windward side of described First Heat Exchanger and described second heat exchanger is 45 ~ 145 degree, described heat exchanging air duct is formed between the other end of described First Heat Exchanger and the other end of described second heat exchanger, and formed between the first side wall of the other end of described First Heat Exchanger and described cabinet first takes a breath air channel, formed between the other end of described second heat exchanger and the second sidewall of described cabinet second takes a breath road, described first ventilation air channel, corresponding partition first ventilation air channel is respectively equipped with in second ventilation air channel, first of second ventilation air channel regulates dividing plate, second regulates dividing plate, when sending new wind, described first regulate dividing plate, second regulate dividing plate respectively relative motion to docking with open described first ventilation air channel, second ventilation air channel.
3. the unitary air handling unit that a kind of open-type air flow channel according to claim 2 is adjustable, is characterized in that: the angle between the windward side of described First Heat Exchanger and the windward side of described second heat exchanger is 60 degree.
4. the unitary air handling unit adjustable according to the arbitrary described a kind of open-type air flow channel of Claims 2 or 3, is characterized in that: the angle of the windward side of described First Heat Exchanger, the described windward side of the second heat exchanger and the airintake direction of air draught is 30 degree.
5. the unitary air handling unit that a kind of open-type air flow channel according to claim 2 is adjustable, is characterized in that: the width of described heat exchanging air duct equals described first and regulates dividing plate and described second to regulate the width sum of dividing plate.
6. the unitary air handling unit that a kind of open-type air flow channel according to claim 1 is adjustable, is characterized in that: also comprise and drive the reciprocating high-temperature resistant electric machine of described adjustment dividing plate.
7. the unitary air handling unit that a kind of open-type air flow channel according to claim 6 is adjustable, is characterized in that: drive the cable of described motor movement to be high-temperature insulation cable.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420710272.6U CN204254754U (en) | 2014-11-24 | 2014-11-24 | The unitary air handling unit that a kind of open-type air flow channel is adjustable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420710272.6U CN204254754U (en) | 2014-11-24 | 2014-11-24 | The unitary air handling unit that a kind of open-type air flow channel is adjustable |
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| CN204254754U true CN204254754U (en) | 2015-04-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107763788A (en) * | 2017-11-20 | 2018-03-06 | 珠海格力电器股份有限公司 | Air-conditioning blower unit and its refrigeration ventilation switching method and air conditioner |
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2014
- 2014-11-24 CN CN201420710272.6U patent/CN204254754U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107763788A (en) * | 2017-11-20 | 2018-03-06 | 珠海格力电器股份有限公司 | Air-conditioning blower unit and its refrigeration ventilation switching method and air conditioner |
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