CN216281811U - Temperature and humidity double-control energy-saving air conditioning unit using reheating as guide - Google Patents
Temperature and humidity double-control energy-saving air conditioning unit using reheating as guide Download PDFInfo
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- CN216281811U CN216281811U CN202122153521.9U CN202122153521U CN216281811U CN 216281811 U CN216281811 U CN 216281811U CN 202122153521 U CN202122153521 U CN 202122153521U CN 216281811 U CN216281811 U CN 216281811U
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Abstract
The utility model belongs to the technical field of air conditioning units, and particularly relates to a temperature and humidity double-control energy-saving air conditioning unit taking reheating as a guide. The technical scheme is as follows: the utility model provides an energy-conserving air conditioning unit of two accuses of temperature and humidity with reheat as direction, includes quick-witted case, and the one end of quick-witted case is provided with the air intake, and the other end of quick-witted case is provided with the air outlet, installs cold water coil pipe and compression cycle subassembly in the quick-witted case respectively, and the quick-witted incasement is close to the one end of air outlet and still installs the fan to the supporting automatic control system that provides. The utility model provides a temperature and humidity double-control energy-saving air conditioning unit taking reheating as a guide, which is matched with an automatic control system.
Description
Technical Field
The utility model belongs to the technical field of air conditioning units, and particularly relates to a temperature and humidity double-control energy-saving air conditioning unit taking reheating as a guide.
Background
When the air conditioning system in summer is designed, the air conditioning end of the comfortable air conditioning system generally adopts dew point air supply, and the indoor temperature tends to a set value through reasonable adjustment measures, and meanwhile, the humidity can fall within an acceptable range. According to the design method of the air conditioning system, the temperature and the humidity are coupled with each other, temperature and humidity control cannot be realized, and the air conditioning system is not reasonable to be applied in certain places.
Compared with the conventional area, the indoor swimming pool has the advantages that the heat-humidity ratio of the indoor swimming pool is very small and is generally less than 4500kJ/kg due to evaporation and moisture dissipation of pool water and moisture dissipation of wet ground on the sides of the pool, when an enthalpy-humidity diagram of air treatment in summer of the indoor swimming pool is drawn, a heat-humidity ratio line cannot intersect with a dew point line of a machine, and an air conditioning system cannot adopt dew point air supply. The conventional design of the air conditioning system adopts cold water cooling dehumidification and hot water reheating, and the design has cold and hot water offset and high operation energy consumption, which is contrary to the national energy saving and emission reduction policy. Figure 2 is a graph of indoor swimming pool summer air treatment psychrometric chart of conventional design.
The negative pressure isolation operating room, the static distribution center, the pathology department and the like in the hospital are provided with a direct current system due to national regulations and medical process requirements, the ventilation frequency of the room is high, when a summer air treatment enthalpy-humidity diagram is drawn, a heat-humidity ratio line cannot be intersected with a machine dew point line, and an air conditioning system cannot adopt dew point air supply. The air conditioning system with the conventional design adopts cold water cooling dehumidification and hot water reheating, and the mode has cold and heat offset and high operation energy consumption, and is contrary to the national energy saving and emission reduction policy. Fig. 3 is a summer air treatment psychrometric chart for hospital negative pressure isolation operating room, static distribution center, pathology department, etc. with conventional design.
In summary, in areas with small heat-humidity ratio and areas with large process-required air output, the air conditioning system with conventional design adopts cold water cooling dehumidification and hot water reheating, so that cold and heat offset exists, the operation energy consumption is high, and the method is contrary to the national energy-saving and emission-reduction policy.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems in the prior art, an object of the present invention is to provide a temperature and humidity double-control energy-saving air conditioning unit using reheating as a guide.
The technical scheme adopted by the utility model is as follows:
the utility model provides an energy-conserving air conditioning unit of two accuses of temperature and humidity with reheat as direction, includes quick-witted case, and the one end of quick-witted case is provided with the air intake, and the other end of quick-witted case is provided with the air outlet, installs cold water coil pipe and compression cycle subassembly in the quick-witted case respectively, and the quick-witted incasement is close to the one end of air outlet and still installs the fan to the supporting automatic control system that provides.
The utility model uses reheating as guide, a compression cycle component is arranged in the common air conditioning unit, all condensation heat of the compression cycle is used for reheating, and all refrigeration capacity is used for cooling and dehumidifying. This unit air treatment process in summer is that evaporimeter cooling dehumidification + cold water cooling dehumidification + condensation heat is reheated, compares in traditional cold water cooling dehumidification + hot water reheat, does not have the cold and hot to offset, and reduces cold water cooling capacity, and the system is simple, and the operation is energy-conserving, responds national energy saving and emission reduction policy.
The basic control strategy of the cooling dehumidification working condition of the utility model is as follows: the input power of the compression circulation component is controlled to control the condensation reheat, so that the purpose of controlling the indoor temperature is achieved. The dehumidification capacity of the cold water coil pipe is controlled by controlling the opening of an electric regulating valve of the cold water coil pipe, so that the aim of controlling the indoor humidity is fulfilled. Thereby realizing temperature and humidity control and being suitable for places such as swimming pools, negative pressure isolation operating rooms in hospitals, static matching centers in hospitals, pathology departments in hospitals and the like where air conditioners need to be reheated.
As a preferable aspect of the present invention, the compression cycle assembly includes an evaporator, one end of the evaporator is connected to a compressor through a pipe, the other end of the compressor is connected to a condenser through a pipe, the other end of the condenser is connected to an expansion valve through a pipe, and the other end of the expansion valve is connected to the other end of the evaporator through a pipe. All condensation heat generated by the compressor acting is used for reheating, all refrigeration capacity is used for cooling and dehumidifying, all energy of the two compression and circulation devices is fully utilized, the energy efficiency utilization efficiency is extremely high, and energy conservation and emission reduction are realized.
As a preferable aspect of the present invention, the cold water coil is located between the evaporator and the condenser. The evaporator is arranged in front, so that the energy efficiency of compression circulation can be improved, energy conservation and emission reduction are realized, and the energy conservation and emission reduction effects are enhanced.
As a preferable scheme of the utility model, the outlet of the fan is aligned with the air outlet of the case.
As the preferred scheme of the utility model, the utility model also comprises a control system, a room served by the unit is provided with a temperature sensor and a humidity sensor, an air outlet of the case is provided with the temperature sensor and the humidity sensor, and the sensors are electrically connected with the control system; the cold water coil of the unit is connected with an electric control valve, the unit is internally provided with a compression cycle, and a control system is electrically connected with the compressor, the electronic expansion valve, the electric control valve and the like. The utility model takes reheating as a guide, the temperature sensor detects the temperature of the air outlet and the room and sends the temperature to the control system, and the humidity sensor detects the humidity of the air outlet and the room and sends the humidity to the control system. The control system controls the power of the compressor according to the temperature condition and controls the room temperature to approach a set value; the control system controls the opening of the electric regulating valve of the cold water coil pipe according to the humidity condition, and controls the humidity of a room to approach a set value.
In a preferred embodiment of the present invention, the cold water coil is connected to an electric control valve.
The utility model has the beneficial effects that:
1. the utility model uses reheating as guide, a compression cycle component is arranged in the common air conditioning unit, all condensation heat of the compression cycle is used for reheating, and all refrigeration capacity is used for cooling and dehumidifying. This unit air treatment process in summer is that evaporimeter cooling dehumidification + cold water cooling dehumidification + condensation heat is reheated, compares in traditional cold water cooling dehumidification + hot water reheat, does not have the cold and hot to offset, and reduces cold water cooling capacity, and the system is simple, and the operation is energy-conserving, responds national energy saving and emission reduction policy.
2. The basic control strategy of the cooling dehumidification working condition of the utility model is as follows: the input power of the compression circulation component is controlled to control the condensation reheat, so that the purpose of controlling the indoor temperature is achieved. The dehumidification capacity of the cold water coil pipe is controlled by controlling the opening of an electric regulating valve of the cold water coil pipe, so that the aim of controlling the indoor humidity is fulfilled. Thereby realizing temperature and humidity control and being suitable for places such as swimming pools, negative pressure isolation operating rooms in hospitals, static matching centers in hospitals, pathology departments in hospitals and the like where air conditioners need to be reheated.
3. The cold water coil is positioned between the evaporator and the condenser, so that the energy efficiency of the compression cycle can be improved and the energy-saving and emission-reducing effects can be enhanced by preposing the evaporator.
4. The utility model takes reheating as guidance, and the temperature sensors detect the temperatures of the air outlet and the room and send the temperatures to the control system. The control system controls the power of the compressor according to the temperature condition, so that no large amount of heat is discharged outdoors, and energy conservation and emission reduction are realized.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a graph of indoor swimming pool summer air treatment psychrometric chart of conventional design;
FIG. 3 is a summer air treatment psychrometric chart for a hospital negative pressure isolation operating room, static distribution center, pathology department, etc. of conventional design;
FIG. 4 is a psychrometric chart of the summer air treatment process of the present invention for use in an indoor swimming pool;
figure 5 is a psychrometric chart of a transition season air treatment process of the present invention for an indoor swimming pool;
FIG. 6 is a psychrometric chart of the utility model for use in summer air treatment processes in hospital negative pressure isolated operating rooms, static distribution centers, pathologists, etc.;
figure 7 is a psychrometric chart of the utility model for use in transitional season air treatment processes in hospital negative pressure isolation operating rooms, static distribution centers, pathologists, and the like.
In the figure, 1-chassis; 2-cold water coil pipe; 3-a compression cycle assembly; 4-a fan; 11-an air inlet; 12-an air outlet; 31-an evaporator; 32-a compressor; 33-condenser.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
As shown in fig. 1, the present invention includes a case 1, an air inlet 11 is disposed at one end of the case 1, an air outlet 12 is disposed at the other end of the case 1, a cold water coil 2 and a compression circulation component 3 are respectively installed in the case 1, and a fan 4 is further installed at one end of the case 1 close to the air outlet 12.
The utility model uses reheating as guide, a compression cycle component 3 is arranged in the common air conditioning unit, all condensation heat of the compression cycle is used for reheating, and all refrigeration capacity is used for cooling and dehumidifying. This unit air treatment process in summer is evaporimeter 31 cooling dehumidification + cold water cooling dehumidification + condensation heat is reheat, compares in traditional cold water cooling dehumidification + hot water reheat, does not have the cold and hot to offset, and reduces cold water cooling capacity, and the system is simple, and the operation is energy-conserving, responds national energy saving and emission reduction policy.
The basic control strategy of the cooling dehumidification working condition of the utility model is as follows: the input power of the compression circulation component 3 is controlled to control the condensation reheat, so as to achieve the purpose of controlling the indoor temperature. The dehumidification capacity of the cold water coil 2 is controlled by controlling the opening degree of an electric regulating valve of the cold water coil 2, so that the purpose of controlling the indoor humidity is achieved. Thereby realizing temperature and humidity control and being suitable for places such as swimming pools, negative pressure rooms of hospitals and the like.
Wherein, the compression circulation subassembly 3 includes evaporimeter 31, and there is a compressor 32 one end of evaporimeter 31 through the pipe connection, and there is a condenser 33 the other end of compressor 32 through the pipe connection, and there is an expansion valve the other end of condenser 33 through the pipe connection, and the other end of expansion valve passes through the pipe connection and is connected with the other end of evaporimeter 31. All the heat of condensation generated by the work of the compressor 32 is used for reheating, and all the refrigerating capacity is used for cooling and dehumidifying. The cold water coil 2 is located between the evaporator 31 and the condenser 33. The evaporator 31 is arranged in front, so that the energy efficiency of compression circulation can be improved, and energy conservation and emission reduction can be realized.
The air conditioner further comprises a control system, wherein a temperature sensor is installed at the air outlet 12 of the case 1 and is electrically connected with the control system, and the control system is electrically connected with the compressor 32. The utility model takes reheating as a guide, and the temperature sensor detects the temperature of the air outlet 12 and sends the temperature to the control system. The control system controls the power of the compressor 32 according to the temperature condition, so that no large amount of heat is discharged to the outdoor, and energy conservation and emission reduction are realized.
Example 1:
as shown in fig. 4, in the case of the indoor swimming pool summer air conditioner, the reheating is provided by the condensation heat of the compression cycle, and the COP of the compression cycle heating is high, generally greater than 5.0, since the temperature difference between the condenser 33 and the evaporator 31 is small. Therefore, only a small amount of electric energy is consumed, and the amount of reheating required by the system can be ensured. The refrigerating capacity of the evaporator 31 of the compression circulation assembly 3 is all used for cooling and dehumidifying, and if the COP of the compression circulation heating is more than or equal to 5.0, the utilization efficiency of the electric energy of the system is more than or equal to 9.0. In conclusion, when the indoor swimming pool is used for air conditioning in summer, the reheating guide type temperature and humidity double-control energy-saving air conditioning unit is applied, and the energy-saving effect is obvious.
As shown in fig. 5, when the indoor swimming pool is in a transition season, the heating capacity and the cooling capacity of the compression cycle are increased synchronously due to the increase of the demand of reheating, and the cooling capacity required for cooling and dehumidifying is reduced. In conclusion, when the indoor swimming pool is in transition season air conditioning, the energy-saving effect is more obvious by the application of the reheating guide type temperature and humidity double-control energy-saving air conditioning unit.
Example 2:
as shown in fig. 6, when air conditioners in hospital negative pressure isolation operating rooms, static distribution centers, pathology departments and other summer are used, reheating is provided by condensation heat of compression cycle, and because the temperature difference between the condenser 33 and the evaporator 31 is small, the COP of the compression cycle heating is high and is generally greater than 5.0, a small amount of electric energy is consumed, and the amount of reheating required by the system can be ensured. The refrigerating capacity of the evaporator 31 of the compression cycle is all used for cooling and dehumidifying, and if the COP of the heat produced by the compression cycle is more than or equal to 5.0, the utilization efficiency of the electric energy of the system is more than or equal to 9.0. In summary, when the air conditioner is used in summer such as a negative pressure isolation operating room, a static matching center, a pathology department and the like in a hospital, the reheating guide type temperature and humidity double-control energy-saving air conditioning unit is applied, and the energy-saving effect is obvious.
As shown in fig. 7, when the hospital negative pressure isolation operating room, the static distribution center, the pathology department and other transitional seasons air conditioners are used, the heating capacity and the cooling capacity of the compression cycle are increased synchronously due to the increase of the demand of the reheat capacity, and the cooling capacity required by cooling and dehumidifying is reduced. In summary, when the air conditioner is used in transitional seasons such as a hospital negative pressure isolation operating room, a static matching center, a pathology department and the like, the reheating guide type temperature and humidity double-control energy-saving air conditioning unit is applied, so that the energy-saving effect is more obvious.
The utility model is not limited to the above alternative embodiments, and any other various forms of products can be obtained by anyone in the light of the present invention, but any changes in shape or structure thereof, which fall within the scope of the present invention as defined in the claims, fall within the scope of the present invention.
Claims (6)
1. The utility model provides an use wet energy-conserving air conditioning unit of warm double control of reheat as direction which characterized in that, includes quick-witted case (1), and the one end of quick-witted case (1) is provided with air intake (11), and the other end of quick-witted case (1) is provided with air outlet (12), installs cold water coil pipe (2) and compression cycle subassembly (3) in quick-witted case (1) respectively, and fan (4) are still installed to the one end that is close to air outlet (12) in quick-witted case (1).
2. The double-control energy-saving air conditioning unit with reheating as a guide according to claim 1, wherein the compression cycle component (3) comprises an evaporator (31), one end of the evaporator (31) is connected with a compressor (32) through a pipeline, the other end of the compressor (32) is connected with a condenser (33) through a pipeline, the other end of the condenser (33) is connected with an expansion valve through a pipeline, and the other end of the expansion valve is connected with the other end of the evaporator (31) through a pipeline.
3. The double-control energy-saving reheating-oriented warm-wet air conditioning unit as claimed in claim 2, wherein the cold water coil (2) is located between the evaporator (31) and the condenser (33).
4. The reheating-oriented dual-control energy-saving air conditioning unit as claimed in claim 1, wherein an outlet of the fan (4) is aligned with an air outlet (12) of the cabinet (1).
5. The double-control energy-saving air conditioning unit with the reheating as the guide function as claimed in claim 1, further comprising a control system, wherein a temperature sensor is installed at the air outlet (12) of the cabinet (1), the temperature sensor is electrically connected with the control system, and the control system is electrically connected with the compressor (32).
6. The double-control energy-saving air conditioning unit with reheating as guide of claim 1, wherein the cold water coil (2) is connected with an electric regulating valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122153521.9U CN216281811U (en) | 2021-09-07 | 2021-09-07 | Temperature and humidity double-control energy-saving air conditioning unit using reheating as guide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122153521.9U CN216281811U (en) | 2021-09-07 | 2021-09-07 | Temperature and humidity double-control energy-saving air conditioning unit using reheating as guide |
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| Publication Number | Publication Date |
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| CN216281811U true CN216281811U (en) | 2022-04-12 |
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| CN202122153521.9U Active CN216281811U (en) | 2021-09-07 | 2021-09-07 | Temperature and humidity double-control energy-saving air conditioning unit using reheating as guide |
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| CN (1) | CN216281811U (en) |
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- 2021-09-07 CN CN202122153521.9U patent/CN216281811U/en active Active
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20220805 Address after: No. 1071, north section of Hupan Road, Zhengxing street, Tianfu new area, Chengdu, Sichuan 610000 Patentee after: CSCEC Southwest Institute (Sichuan) Technology Co.,Ltd. Address before: No.8 Xinghui West Road, Jinniu District, Chengdu, Sichuan 610084 Patentee before: CHINA SOUTHWEST ARCHITECTURAL DESIGN AND RESEARCH INSTITUTE Corp.,Ltd. |
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