CN101586849A - Dry-type fan coil set of air-conditioning system suitable for independent temperature-humidity control - Google Patents
Dry-type fan coil set of air-conditioning system suitable for independent temperature-humidity control Download PDFInfo
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- CN101586849A CN101586849A CNA2009100998905A CN200910099890A CN101586849A CN 101586849 A CN101586849 A CN 101586849A CN A2009100998905 A CNA2009100998905 A CN A2009100998905A CN 200910099890 A CN200910099890 A CN 200910099890A CN 101586849 A CN101586849 A CN 101586849A
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Abstract
This invention discloses a dry-type fan coil set of air-conditioning system suitable for independent temperature-humidity control, comprising a set housing, a heat exchange coil, a fan and a motor connected with the fan; water discharge pipeline of the heat exchange coil is arranged on the side of the set housing near air inlet, and water charging pipeline of the same is arranged on the side of the set housing near air outlet; side of the set housing is set with a charged water collector pipe and a discharged water collector pipe; the water charging pipeline and water discharging pipeline of the heat exchange coil are respectively connected to the charged water collector pipe and the discharged water collector pipe; bottom of the set housing is set with a water disk; the heat exchange coil consists of three groups of coil units from up to down, which are connected in parallel on the charged water collector pipe and the discharged water collector pipe. Accordingly, this invention is high in heat exchange efficiency, and is able to greatly reduce power consumption of air-conditioning system as well as save energy consumption.
Description
Technical field
The present invention relates to field of Refrigeration and Air-conditioning, be specifically related to be suitable for the dry-type fan coil unit of temperature, humidity independence control air conditioner system.
Background technology
In today of energy growing tension, it is extremely important that energy savings seems.At present, public building air-conditioning system energy consumption accounts for 22% of the total electric weight in national cities and towns, therefore, reduces the energy consumption of large public building air-conditioning system, and the energy strategy of whole country is had very important significance.Adopting the air-conditioning system of temperature, humidity difference independent process is the mode of a reasonable reduction energy resource consumption with high temperature cold water as low-temperature receiver (the cold water inflow temperature is decided to be 16 ℃).Air conditioning terminal is only born indoor sensible heat load and is got final product, and simultaneously, compares with conventional air-conditioning system owing to there is not the generation of condensed water, thereby has avoided growing in a large number of mould, helps health, health.Existing fan coil goes out under the water condition to move 7 ℃ of water inlets, 12 ℃, generally adopts copper pipe Φ 9.52 * 0.35mm, spacing of fin 1.95mm.Experimental results show that, existing fan coil is difficult to satisfy the demand of indoor sensible heat load to cold when the cold water inflow temperature is 16 ℃, it is not enough that heat exchange area seems, if satisfy indoor sensible heat load the demand of cold is increased heat exchange area with regard to needs, certainly will increase small product size like this, product cost also improves greatly.
Summary of the invention
Technical problem to be solved by this invention just provides the dry-type fan coil unit of a kind of suitable temperature, humidity independence control air conditioner system, it is at high temperature cold water (16 ℃ of inflow temperatures, 20 ℃ of leaving water temperatures) operation down, can satisfy the dry-type fan coil unit of air conditioning area, and under the return air state of 26 ℃ of dry-bulb temperatures, 18.7 ℃ of wet bulb temperature, not have condensate water to produce the sensible heat load requirement.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: the dry-type fan coil unit that is suitable for temperature, humidity independence control air conditioner system, comprise machine unit shell, be located at the heat exchange coil in the machine unit shell, the motor that is connected the blower fan on the machine unit shell sidewall air inlet and is connected with blower fan, it is characterized in that: the outlet pipeline of described heat exchange coil is located at a side of close air inlet on the machine unit shell, the inlet pipeline of heat exchange coil is located at a side of close air outlet on the machine unit shell, thereby make the flow direction of cold water opposite, improve heat exchange efficiency with the flow direction of air.
Further, described machine unit shell avris is provided with into water collector pipe and water outlet collector pipe, and the inlet pipeline of heat exchange coil and the tandem of outlet pipeline difference are on water inlet collector pipe and water outlet collector pipe.
Further, described machine unit shell bottom is provided with the ponding dish, prevents the condensate water that may produce under bad working environments.
Further, described heat exchange coil is made of top-down three groups of coil pipe units, and three groups of coil pipe units are connected in parallel on on the water collector pipe and water outlet collector pipe.
Further, described heat exchange coil is three row's structure settings from water inlet to the delivery port direction, and the copper pipe specification is Φ 7 * 0.3mm, and the heat exchange copper tube outer wall is provided with the flat fin of aluminium matter that axial spacing is 1.6mm or 1.8mm.This structure makes water effluent journey become the cross-counterflow form with the air side flow process, improves heat exchange efficiency.
Row's spacing of described heat exchange coil is 18.2mm.
The present invention is suitable for the dry-type fan coil unit of temperature, humidity independence control air conditioner system owing to adopt technique scheme, it is at high temperature cold water (16 ℃ of inflow temperatures, 20 ℃ of leaving water temperatures) operation down, can satisfy the dry-type fan coil unit of air conditioning area to the sensible heat load requirement, thereby help the reduction significantly of air-conditioning system energy consumption, under the return air state of 26 ℃ of dry-bulb temperatures, 18.7 ℃ of wet bulb temperature, do not have condensate water to produce in addition.
Description of drawings
Below in conjunction with the drawings and specific embodiments the present invention is further described:
Fig. 1 is a Facad structure schematic diagram of the present invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the arrangement lateral plan of heat exchange coil among Fig. 1.
The specific embodiment
As Fig. 1, Fig. 2 and shown in Figure 3, for the present invention is suitable for temperature, the dry-type fan coil unit of humidity independence control air conditioner system, comprise machine unit shell 7, be located at the heat exchange coil 4 in the machine unit shell 7, be connected blower fan 6 on the machine unit shell 7 sidewall air inlets and the motor that is connected with blower fan, machine unit shell is by side plate, top board, base plate is formed, the outlet pipeline 41 of described heat exchange coil 4 is located at a side of close air inlet on the machine unit shell 7, the inlet pipeline 42 of heat exchange coil 4 is located at a side of close air outlet 3 on the machine unit shell, make the flow direction of cold water opposite with the flow direction of air, described machine unit shell 7 avris are provided with into water collector pipe 1 and water outlet collector pipe 2, and the inlet pipeline of heat exchange coil and the tandem of outlet pipeline difference are on water inlet collector pipe and water outlet collector pipe.Described machine unit shell bottom is provided with ponding dish 5, prevents the condensate water that may produce under bad working environments.As Fig. 3, described heat exchange coil is made of top-down three groups of coil pipe units, and three groups of coil pipe units are connected in parallel on on the water collector pipe 1 and water outlet collector pipe 2.Heat exchange coil described in the present invention is three row's structure settings from water inlet to the delivery port direction, and this structure makes water effluent journey become the cross-counterflow form with the air side flow process, improves heat exchange efficiency.Be that every group of heat exchange coil unit is three row's structure settings from water inlet to the delivery port direction in the present embodiment, row's spacing of heat exchange coil is 18.2mm, the copper pipe specification is Φ 7 * 0.3mm, and the heat exchange copper tube outer wall is provided with the flat fin 3 of aluminium matter that axial spacing is 1.6mm or 1.8mm.Dotted line refers to flow direction among Fig. 3.
During operation, room air mixes the back by blower fan 3 with new wind by infiltrations such as door and windows, enter heat exchange coil and with coil pipe and fin 3 heat exchange, air is through in the inlet chamber of cooling back, and finally makes air conditioning area form comfortable environment under the acting in conjunction of independent humidity control system.Experiment detects proof, and the dry-type fan coil unit of structure of the present invention is under operating mode (16 ℃ of heat exchange coil inflow temperatures, 20 ℃ of leaving water temperatures, 26 ℃ of indoor return air dry-bulb temperatures, 18.7 ℃ of wet-bulb temperature), and the ratio of cold and air quantity is at 2.0W/m
3More than/the h, can satisfy the requirement of air conditioning area fully, and under this operating mode, not have condensed water to produce sensible heat load.The existing fan coil and the cold of dry-type fan coil and the ratio of air quantity see Table 1.
Table 1 cold and air quantity are than W/ (m
3/ h)
The present invention is applicable to the air-conditioning system that temperature, humidity are handled separately respectively, and it is applied to help the reduction significantly of air-conditioning system energy consumption in high temperature cold water (16 ℃ of water inlets, 20 ℃ of water outlets) air-conditioning system.
When dry-type fan coil of the present invention moves under the operating mode of independently controlling corresponding to temperature, humidity, be difficult for producing condensed water, heat exchange coil can not grow mould, slowed down heat exchange coil owing to the absorption dust causes coefficient of heat transfer downward trend, helped health and kept the stable of the coefficient of heat transfer.
The present invention can be widely used in each large public building air-conditioning system field.
Claims (8)
1, is suitable for the dry-type fan coil unit of temperature, humidity independence control air conditioner system, comprise machine unit shell (7), be located at the heat exchange coil (4) in the machine unit shell, the motor that is connected the blower fan (6) on the machine unit shell sidewall air inlet and is connected with blower fan, it is characterized in that: the outlet pipeline (41) of described heat exchange coil (4) is located at a side of close air inlet on the machine unit shell, and the inlet pipeline of heat exchange coil (42) is located at a side of close air outlet on the machine unit shell.
2, the dry-type fan coil unit of suitable temperature according to claim 1, humidity independence control air conditioner system, it is characterized in that: described machine unit shell (7) avris is provided with into water collector pipe (1) and water outlet collector pipe (2), and inlet pipeline of heat exchange coil (41) and the tandem of outlet pipeline (42) difference are on water inlet collector pipe (1) and water outlet collector pipe (2).
3, the dry-type fan coil unit of suitable temperature according to claim 2, humidity independence control air conditioner system is characterized in that: described machine unit shell bottom is provided with ponding dish (5).
4, the dry-type fan coil unit of suitable temperature according to claim 2, humidity independence control air conditioner system, it is characterized in that: described heat exchange coil is made of top-down three groups of coil pipe units, and three groups of coil pipe units are connected in parallel on on the water collector pipe (1) and water outlet collector pipe (2).
5, the dry-type fan coil unit of suitable temperature according to claim 4, humidity independence control air conditioner system is characterized in that: described heat exchange coil unit is three row's structure settings from water inlet to the delivery port direction.
6, according to the dry-type fan coil unit of claim 4 or 5 described suitable temperature, humidity independence control air conditioner system, it is characterized in that: described heat exchange coil unit is a copper pipe, and the copper pipe specification is Φ 7 * 0.3mm.
7, the dry-type fan coil unit of suitable temperature according to claim 6, humidity independence control air conditioner system is characterized in that: described heat exchange copper tube outer wall is provided with the flat fin of aluminium matter (3) that axial spacing is 1.6mm or 1.8mm.
8, the dry-type fan coil unit of suitable temperature according to claim 5, humidity independence control air conditioner system is characterized in that: row's spacing of described heat exchange coil is 18.2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100998905A CN101586849A (en) | 2009-06-19 | 2009-06-19 | Dry-type fan coil set of air-conditioning system suitable for independent temperature-humidity control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100998905A CN101586849A (en) | 2009-06-19 | 2009-06-19 | Dry-type fan coil set of air-conditioning system suitable for independent temperature-humidity control |
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| Publication Number | Publication Date |
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| CN101586849A true CN101586849A (en) | 2009-11-25 |
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| CNA2009100998905A Pending CN101586849A (en) | 2009-06-19 | 2009-06-19 | Dry-type fan coil set of air-conditioning system suitable for independent temperature-humidity control |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102901202A (en) * | 2011-07-26 | 2013-01-30 | 珠海格力电器股份有限公司 | Air conditioner and dry-type surface cooler thereof |
| CN104729347A (en) * | 2013-12-24 | 2015-06-24 | 珠海格力电器股份有限公司 | Multi-loop V-shaped surface cooler water distributing and distributing head mechanism and multi-loop V-shaped surface cooler |
| CN106196290A (en) * | 2016-08-19 | 2016-12-07 | 苏州浩佳节能科技有限公司 | Fan coil units heat exchanger |
| CN106871419A (en) * | 2017-02-13 | 2017-06-20 | 广东美的暖通设备有限公司 | Fan coil units and its condensation prevention control method and device |
-
2009
- 2009-06-19 CN CNA2009100998905A patent/CN101586849A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102901202A (en) * | 2011-07-26 | 2013-01-30 | 珠海格力电器股份有限公司 | Air conditioner and dry-type surface cooler thereof |
| CN104729347A (en) * | 2013-12-24 | 2015-06-24 | 珠海格力电器股份有限公司 | Multi-loop V-shaped surface cooler water distributing and distributing head mechanism and multi-loop V-shaped surface cooler |
| CN104729347B (en) * | 2013-12-24 | 2017-05-03 | 珠海格力电器股份有限公司 | Multi-loop V-shaped surface cooler water distributing and distributing head mechanism and multi-loop V-shaped surface cooler |
| CN106196290A (en) * | 2016-08-19 | 2016-12-07 | 苏州浩佳节能科技有限公司 | Fan coil units heat exchanger |
| CN106871419A (en) * | 2017-02-13 | 2017-06-20 | 广东美的暖通设备有限公司 | Fan coil units and its condensation prevention control method and device |
| CN106871419B (en) * | 2017-02-13 | 2019-08-30 | 广东美的暖通设备有限公司 | Fan coil units and its condensation prevention control method and device |
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Open date: 20091125 |