CN201069217Y - An ice water efficient energy-saving central air conditioning system - Google Patents
An ice water efficient energy-saving central air conditioning system Download PDFInfo
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- CN201069217Y CN201069217Y CNU2007201106263U CN200720110626U CN201069217Y CN 201069217 Y CN201069217 Y CN 201069217Y CN U2007201106263 U CNU2007201106263 U CN U2007201106263U CN 200720110626 U CN200720110626 U CN 200720110626U CN 201069217 Y CN201069217 Y CN 201069217Y
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- 239000005457 ice water Substances 0.000 title claims abstract description 14
- 238000004378 air conditioning Methods 0.000 title abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 157
- 238000001816 cooling Methods 0.000 claims abstract description 45
- 230000003750 conditioning effect Effects 0.000 claims description 27
- 230000008676 import Effects 0.000 claims description 18
- 239000008398 formation water Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 10
- 238000005057 refrigeration Methods 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 24
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The utility model discloses a high-efficiency energy-saving central air conditioning system of ice water type, which comprises two parts of a host machine and an interior air conditioning end, wherein the host machine comprises a unit module, a hot water tank, a cold hot water tank, a cooling tower and a plurality of water pumps. Each unit module consists of a heat exchanger, an evaporator, a condenser and a compressor, wherein pipe coils and passages with an inlet and an outlet are respectively arranged in the heat exchanger, the evaporator and the condenser. With the method that the host machine lowers the temperature of a working medium at second time, the utility model can cool down the cold water transmitted to the end of the interior air conditioner to 0 DEG ice water, which greatly improves refrigeration effect and acquires lower interior temperature; furthermore, heat radiated from the working medium at the first temperature reduction is recycled and reused, which has the effect of turning waste into wealth; moreover, with the method that an electromagnetic control valve regulates a pipeline, the utility model can realize heating process in the winter and one machine serving a plurality of applications and improves utilization rate of the air conditioner.
Description
Technical field
The utility model relates to a kind of central air conditioner system, the energy-efficient central air conditioner system of particularly a kind of ice-water type.
Background technology
Central air conditioner system known in the market generally all only has refrigerating function, it includes main frame and the terminal two parts of room conditioning, itself is not with heat-exchange system main frame the earliest, its direct groundwater abstraction or seawater are sent to indoor and room air by pipeline to carry out heat exchange and reduces indoor temperature, influenced by geographical environment very big because of this design, the water of Chou Quing can not directly carry out recyclingly simultaneously, can cause the waste of great lot of water resources, seldom uses in recent years.
Use maximum main frames to adopt a heat-exchange system at present, it includes compressor, condenser and evaporimeter, form a closed loop with the pipeline connection in regular turn between each parts, fill an amount of working medium in the whole closed loop, also be provided with water inlet pipe and the outlet pipe that is interconnected on the evaporimeter simultaneously, both form water circulation system with terminal connection of room conditioning.During unit work, when working medium is passed through evaporimeter, its initial conditions is a low temperature liquid, there is certain temperature difference with the water of the evaporimeter of flowing through by water circulation system, thereby make both that exchange heat take place inside and outside coil pipe, working medium absorbs heat and is converted to the low pressure gaseous state by low temperature liquid, water is then emitted heat and is made itself temperature reduction, the working medium of low pressure gaseous state flows to compressor subsequently, become by compressor compresses and to lower the temperature after leading to condenser behind the HTHP gaseous state, make it be converted to low temperature liquid once more and flow back to evaporimeter again by the HTHP gaseous state, then transport to the room conditioning end through the water after the evaporimeter cooling by outlet, be used for carrying out heat exchange with room air, itself temperature is raise again, enter cooling once more by evaporator again at last, so constantly circulation repeatedly finally realizes the reduction of indoor temperature.
Here, because of the cold water that leads to the room conditioning end only carries out heat exchange cooling, this has limited the amplitude of its cooling to a great extent, cause the temperature difference after itself and the interior space exchange heat little, (Q represents heat in the formula, the heat of being taken away in the unit interval of thermal convection current just according to thermal convection current heat formula: Q=H * A * Δ T; H is a coefficient of heat convection value, and A then represents effective contact area of thermal convection current, and Δ T represents the temperature difference between the surface of solids and the regional fluid.), under the constant situation of H, A, temperature difference T and heat Q are directly proportional, the cooling back probably is 7 ℃ by the cold water temperature of evaporimeter output in the practice, its temperature after carrying out exchange heat with room air is about 12 ℃, both temperature difference T are 5 ℃, and cooling-down effect is not very desirable, and indoor temperature is dropped to about 20 ℃.
In addition, a general outer blower fan and the direct faced chamber outer air of connecting of existing condenser, liberated heat was wasted when working medium was converted into low temperature liquid by the HTHP gaseous state simultaneously, and the heat that distributes can cause outer machine environment further to worsen, and influenced people's life.
The utility model content
The utility model purpose is to provide a kind of ice-water type energy-efficient central air conditioner system, it is by the reducing temperature twice of main frame to working medium, can make the cold water cooling of transporting to the room conditioning end is 0 degree frozen water, greatly increased the temperature difference of cold water and room air, it has promoted refrigerating efficiency on the one hand, also can obtain lower indoor temperature simultaneously, in addition, the working medium heat that is come out of lowering the temperature for the first time is recycled, has reached the effect of making a silk purse out of a sow's ear.
For achieving the above object, the utility model is by the following technical solutions:
The energy-efficient central air conditioner system of a kind of ice-water type, it includes main frame and the terminal two parts of room conditioning, and it is characterized in that: described main frame includes unit module, boiler, hot and cold water tank, cooling tower and a plurality of water pump; Each unit module is formed by a heat exchanger, an evaporimeter, a condenser and compressor, wherein respectively is provided with the passage that a coil pipe and is brought into, exported in heat exchanger, evaporimeter and the condenser; Described heat exchanger passages, water pump and boiler are communicated with formation water circulation loop I from beginning to end, described boiler channel, room conditioning end, hot and cold water tank and water pump are communicated with formation water circulation loop II from beginning to end, described compressor, heat exchanger coil, condenser passages, evaporator coil are communicated with from beginning to end by pipeline in regular turn and form the working medium circulation loop, and described condenser coil, cooling tower are communicated with from beginning to end with water pump and form water circulation loop III.
The said units module can be one, two or more, and the heat exchanger of each unit module and the passage in the evaporimeter are connected in series respectively separately, and coil pipe then is arranged in parallel in the condenser.
Be provided with a solenoid electric valve between above-mentioned boiler and the water pump.
Be provided with a solenoid electric valve between above-mentioned hot and cold water tank and the water pump.
Be provided with a solenoid electric valve between water pump that above-mentioned and hot and cold water tank is communicated with and the boiler channel import, this water pump is communicated with by the import of a solenoid electric valve and condenser coil simultaneously; Be provided with a solenoid electric valve between described boiler channel outlet and the room conditioning end, should outlet be communicated with the cooling tower import simultaneously by a solenoid electric valve; Be provided with a solenoid electric valve between water pump in the described cooling tower outlet and the condenser coil import, this water pump is communicated with the boiler channel import by a solenoid electric valve simultaneously; Between described condenser coil outlet and the cooling tower import solenoid electric valve is set, should outlet be communicated with simultaneously by a solenoid electric valve and room conditioning end.
In the summer process of refrigerastion, by to the Electromagnetic Control valve regulation, be communicated with from beginning to end by heat exchanger passages, water pump and boiler and form water circulation loop I, by boiler channel, room conditioning end, hot and cold water tank and water pump (B2) head and the tail connection formation water circulation loop II, be communicated with from beginning to end by pipeline in regular turn by compressor, heat exchanger coil, condenser passages, evaporator coil and form the working medium circulation loop, be communicated with from beginning to end with water pump by condenser coil, cooling tower and form water circulation loop III.
During compressor operating, the low pressure gaseous state that evaporator coil is brought is compressed into the HTHP gaseous state and is sent to heat exchanger coil, be higher than the temperature of in-channel water because of working medium temperature in the coil pipe this moment, exchange heat takes place in both, working medium is sent to condenser passages after being converted into half liquid, half gaseity by the HTHP gaseous state, realize that it lowers the temperature for the first time, and its liberated heat is absorbed by water, and by water circulation loop I water in the boiler is heated as domestic water to use, played the change expense and be precious effect.Then be sent to half liquid, half gaseity working medium temperature in the condenser passages and also be higher than the temperature of the water in the condenser coil, exchange heat takes place in once more, at this moment, working medium is converted into low temperature liquid fully and is sent to evaporator coil, realize that it lowers the temperature for the second time, and its liberated heat is absorbed by water, water after the intensification flows to cooling tower by water circulation loop III, for accelerating the exchange heat speed of cooling tower, tower is provided with radiator fan, and cooled water flows back to condenser coil again.The low temperature liquid working medium that is sent to evaporator coil subsequently once more with boiler channel in water carry out exchange heat, therefore working medium is through twice cooling the time, its temperature is far below water temperature, working medium fast Absorption heat is converted into gaseous state and is sent back to compressor again by liquid state, and the water in the boiler channel is emitted heat and is cooled to about 0 ℃, it is sent to the room conditioning end by water circulation loop II, carry out being sent back to the hot and cold water tank after the exchange heat with room air, our experiments show that, this time the water temperature of coming out after the exchange is about 7 ℃, the temperature difference reaches 7 ℃ promptly, compare for 5 ℃ with the front and back temperature difference of existing air-conditioning, 40% raising has been arranged, improved the cooling efficient of air-conditioning greatly, simultaneously because of with the room air exchange heat after water temperature be about 7 ℃, it is lower that this can make indoor temperature drop to, and minimumly in theory can reach 13--15 ℃.
Heat in the process in winter, by adjusting to solenoid electric valve, be communicated with from beginning to end by heat exchanger passages, water pump and boiler and form water circulation loop I, be communicated with from beginning to end by condenser coil, room conditioning end, hot and cold water tank and water pump and form water circulation loop IV, be communicated with from beginning to end by pipeline in regular turn by compressor, heat exchanger coil, condenser passages, evaporator coil and form the working medium circulation loop, be communicated with from beginning to end with water pump by boiler channel, cooling tower and form water circulation loop V.
During compressor operating, the low pressure gaseous state that evaporator coil is brought is compressed into the HTHP gaseous state and is sent to heat exchanger coil, be higher than the temperature of in-channel water because of working medium temperature in the coil pipe this moment, exchange heat takes place in both, working medium is sent to condenser passages after being converted into half liquid, half gaseity by the HTHP gaseous state, realize that it lowers the temperature for the first time, and its liberated heat is absorbed by water, and by water circulation loop I water in the boiler is heated as domestic water to use, played the change expense and be precious effect.Then be sent to half liquid, half gaseity working medium temperature in the condenser passages and also be higher than the temperature of the water in the condenser coil, exchange heat takes place in once more, at this moment, working medium is converted into low temperature liquid fully and is sent to evaporator coil, realize that it lowers the temperature for the second time, and its liberated heat is absorbed by water, the water after the intensification is sent to the room conditioning end by water circulation loop IV, carry out exchange heat with room air indoor temperature is raise, the water after the exchange heat is sent back to the hot and cold water tank.And the low temperature liquid working medium that is sent to evaporator coil once more with boiler channel in water carry out exchange heat, therefore working medium is through twice cooling the time, its temperature is far below water temperature, working medium fast Absorption heat is converted into gaseous state by liquid state and by from newly sending compressor back to, and the water in the boiler channel is emitted heat and is cooled to about 0 ℃, it is sent to cooling tower by water circulation loop V, carry out being sent back to boiler channel after the exchange heat with outdoor air, here, because of being sent to the water temperature of cooling tower about 0 ℃, make air-conditioning only be fit to be installed in the area that southern outdoor temperature is higher than 0 ℃, for the user of northern outdoor temperature-5 ℃, can adopt air cooling equipment to replace.
The utility model is by the reducing temperature twice of main frame to working medium, can make the cold water cooling of transporting to the room conditioning end is 0 degree frozen water, greatly increased the temperature difference of cold water and room air, it has promoted refrigerating efficiency on the one hand, simultaneously also can obtain lower indoor temperature, in addition, the working medium heat that is come out of lowering the temperature for the first time is recycled, has played the effect of making a silk purse out of a sow's ear.
In addition, the utility model can be realized the process that heats winter by the adjusting of solenoid electric valve to pipeline, has realized a tractor serves several purposes, has improved the utilization rate of air-conditioning.
Description of drawings
Fig. 1, the utility model plane figure structural representation and each circular flow of process of refrigerastion to;
Fig. 2, the utility model plane figure structural representation and heat each circular flow of process to;
The plane figure structural representation of Fig. 3, the utility model two unit modules;
The plane figure structural representation of Fig. 4, the utility model multiple-unit module.
The specific embodiment
As shown in Figure 1, the energy-efficient central air conditioner system of a kind of ice-water type, it includes main frame and terminal 5 two parts of room conditioning, and described main frame includes a unit module 1, boiler 2, hot and cold water tank 3, cooling tower 4 and a plurality of water pump B1, B2, B3.
Be provided with a solenoid electric valve K1 between above-mentioned boiler 2 and the water pump B1, be used to control the folding control of place water circulation.
Be provided with a solenoid electric valve K2 between above-mentioned hot and cold water tank 3 and the water pump B2, be used to control the folding control of place water circulation.
For realizing refrigeration and heat the purpose of double-purpose that improve the utilization rate of air-conditioning, the utility model is regulated pipeline by solenoid electric valve.Be provided with a solenoid electric valve K5 between water pump B2 and boiler channel 122 imports, this water pump B2 is communicated with by the import of a solenoid electric valve K4 and condenser coil 131 simultaneously; Be provided with a solenoid electric valve K7 between described boiler channel 122 outlets and the room conditioning end 5, should outlet be communicated with cooling tower 4 imports simultaneously by a solenoid electric valve K8; Be provided with a solenoid electric valve K9 between water pump B3 in described cooling tower 4 outlets and condenser coil 131 imports, this water pump B3 is communicated with boiler channel 122 imports by a solenoid electric valve K6 simultaneously; Between described condenser coil 131 outlets and cooling tower 4 imports solenoid electric valve K10 is set, should outlet be communicated with simultaneously by a solenoid electric valve K3 and room conditioning terminal 5.
In the summer process of refrigerastion, solenoid electric valve K1, K2, K5, K7, K9 and K10 are in opening, and solenoid electric valve K3, K4, K6 and K8 are in closed condition, this moment is by heat exchanger passages 112, water pump B2 and boiler 2 head and the tail are communicated with formation water circulation loop I, by boiler channel 122, room conditioning end 5, hot and cold water tank 3 and water pump B2 are communicated with formation water circulation loop II from beginning to end, by compressor 14, heat exchanger coil 111, condenser passages 132, evaporator coil 121 is communicated with from beginning to end by pipeline in regular turn and forms the working medium circulation loop, by condenser coil 131, cooling tower 4 is communicated with formation water circulation loop III from beginning to end with water pump B3, as shown in Figure 1.
During compressor 14 work, the low pressure gaseous state that evaporator coil 121 is brought is compressed into the HTHP gaseous state, temperature is probably at 130 ℃, and be sent to heat exchanger coil 111, be higher than the temperature of passage 112 in water because of working medium temperature in the coil pipe 111 this moment, exchange heat takes place in both, working medium is sent to condenser passages 132 after being converted into half liquid, half gaseity by the HTHP gaseous state, realize that it lowers the temperature for the first time, and its liberated heat is absorbed by water, and by water circulation loop I water in the boiler 2 is heated as domestic water to use, played the change expense and be precious effect, and finally can obtain the hot water about 80 ℃.Then be sent to half liquid, half gaseity working medium temperature in the condenser passages 132 probably at 90 ℃, the temperature that also is higher than the water in the condenser coil 131, exchange heat takes place in once more, at this moment, working medium is converted into low temperature liquid fully and is sent to evaporator coil 121, realize that it lowers the temperature for the second time, and its liberated heat is absorbed by water, water after the intensification flows to cooling tower 4 by water circulation loop III, for accelerating the exchange heat speed of cooling tower 4, tower is provided with radiator fan 41, and cooled water flows back to condenser coil 131 again.And the low temperature liquid working medium that is sent to evaporator coil 121 once more with boiler channel 122 in water carry out exchange heat, therefore working medium is through twice cooling the time, its temperature is far below water temperature, working medium fast Absorption heat is converted into gaseous state and is sent back to compressor 14 again by liquid state, and the water in the boiler channel 122 is emitted heat and is cooled to about 0 ℃, it is sent to room conditioning end 5 by water circulation loop II, carry out being sent back to hot and cold water tank 3 after the exchange heat with room air, our experiments show that, this time the water temperature of coming out after the exchange is about 7 ℃, the temperature difference reaches 7 ℃ promptly, compare for 5 ℃ with the front and back temperature difference of existing air-conditioning, 40% raising has been arranged, improved the cooling efficient of air-conditioning greatly, simultaneously because of with the room air exchange heat after water temperature be about 7 ℃, it is lower that this can make indoor temperature drop to, and minimumly in theory can reach 13--15 ℃.
Heat in the process in winter, solenoid electric valve K1, K2, K3, K4, K6 and K8 are in opening, and solenoid electric valve K5, K7, K9 and K10 are in closed condition, this moment is by heat exchanger passages 112, water pump B2 and boiler 2 head and the tail are communicated with formation water circulation loop I, by condenser coil 131, room conditioning end 5, hot and cold water tank 3 and water pump B2 are communicated with formation water circulation loop IV from beginning to end, by compressor 14, heat exchanger coil 111, condenser passages 132, evaporator coil 121 is communicated with from beginning to end by pipeline in regular turn and forms the working medium circulation loop, by boiler channel 122, cooling tower 4 is communicated with formation water circulation loop V from beginning to end with water pump B3, as shown in Figure 2.
During compressor 14 work, the low pressure gaseous state that evaporator coil 121 is brought is compressed into the HTHP gaseous state and is sent to heat exchanger coil 111, be higher than the temperature of passage 112 in water because of working medium temperature in the coil pipe 111 this moment, exchange heat takes place in both, working medium is sent to condenser passages 132 after being converted into half liquid, half gaseity by the HTHP gaseous state, realize that it lowers the temperature for the first time, and its liberated heat is absorbed by water, and by water circulation loop I water in the boiler 2 is heated as domestic water to use, played the change expense and be precious effect.Then be sent to half liquid, half gaseity working medium temperature in the condenser passages 132 and also be higher than the temperature of water in the condenser coil 131, exchange heat takes place in once more, at this moment, working medium is converted into low temperature liquid fully and is sent to evaporator coil 121, realize that it lowers the temperature for the second time, and its liberated heat is absorbed by water, water after the intensification is sent to room conditioning end 5 by water circulation loop IV, carry out exchange heat with room air indoor temperature is raise, the water after the exchange heat is sent back to hot and cold water tank 3.And the low temperature liquid working medium that is sent to evaporator coil 121 once more with boiler channel 122 in water carry out exchange heat, therefore working medium is through twice cooling the time, its temperature is far below water temperature, working medium fast Absorption heat is converted into gaseous state by liquid state and by from newly sending compressor 14 back to, and the water in the boiler channel 122 is emitted heat and is cooled to about 0 ℃, it is sent to cooling tower 4 by water circulation loop V, carry out being sent back to boiler channel 122 after the exchange heat with outdoor air, here, because of being sent to the water temperature of cooling tower 4 about 0 ℃, make air-conditioning only be fit to be installed in the area that southern outdoor temperature is higher than 0 ℃, for the user of northern outdoor temperature-5 ℃, can adopt air cooling equipment to replace.
Above-mentioned embodiment only adopts a unit module, the utility model can require to increase the unit module number according to reality, can be two, as shown in Figure 3, also can be for a plurality of, as shown in Figure 4, the passage 112,122 in the structure in each unit module heat exchanger and the evaporimeter is connected in series respectively separately, and coil pipe 131 then is arranged in parallel in the condenser.
The utility model is by the reducing temperature twice of main frame to working medium, can make the cold water cooling of transporting to room conditioning end 5 in process of refrigerastion is 0 degree frozen water, greatly increased the temperature difference of cold water and room air, it has promoted refrigerating efficiency on the one hand, simultaneously also can obtain lower indoor temperature, in addition, the working medium heat that is come out of lowering the temperature for the first time is recycled, has played the effect of making a silk purse out of a sow's ear.
In addition, the utility model can be realized the process that heats winter by the adjusting of solenoid electric valve to pipeline, has realized a tractor serves several purposes, has improved the utilization rate of air-conditioning.
Claims (6)
1. energy-efficient central air conditioner system of ice-water type, it includes main frame and the terminal two parts of room conditioning, and it is characterized in that: described main frame includes unit module, boiler, hot and cold water tank, cooling tower and a plurality of water pump; Each unit module is formed by a heat exchanger, an evaporimeter, a condenser and compressor, wherein respectively is provided with the passage that a coil pipe and is brought into, exported in heat exchanger, evaporimeter and the condenser; Described heat exchanger passages, water pump (B1) and boiler are communicated with formation water circulation loop I from beginning to end, described boiler channel, room conditioning end, hot and cold water tank and water pump (B2) head and the tail are communicated with formation water circulation loop II, described compressor, heat exchanger coil, condenser passages, evaporator coil are communicated with from beginning to end by pipeline in regular turn and form the working medium circulation loop, and described condenser coil, cooling tower are communicated with formation water circulation loop III with water pump (B3) head and the tail.
2. the energy-efficient central air conditioner system of stating of a kind of ice-water type as claimed in claim 1, it is characterized in that: described unit module can be one, two or more, the heat exchanger of each unit module and the passage in the evaporimeter are connected in series respectively separately, and coil pipe then is arranged in parallel in the condenser.
3. the energy-efficient central air conditioner system of stating of a kind of ice-water type as claimed in claim 1 is characterized in that: be provided with a solenoid electric valve (K1) between described boiler and the water pump (B1).
4. the energy-efficient central air conditioner system of stating of a kind of ice-water type as claimed in claim 1 is characterized in that: be provided with a solenoid electric valve (K2) between described hot and cold water tank and the water pump (B2).
5. the energy-efficient central air conditioner system of stating of a kind of ice-water type as claimed in claim 1, it is characterized in that: described cooling tower is provided with fan.
6. the energy-efficient central air conditioner system of stating of a kind of ice-water type as claimed in claim 1, it is characterized in that: be provided with a solenoid electric valve (K5) between water pump (B2) that described and hot and cold water tank is communicated with and the boiler channel import, this water pump (B2) is by the import connection of a solenoid electric valve (K4) and condenser coil simultaneously; Be provided with a solenoid electric valve (K7) between described boiler channel outlet and the room conditioning end, should outlet be communicated with the cooling tower import simultaneously by a solenoid electric valve (K8); Be provided with a solenoid electric valve (K9) between water pump (B3) in the described cooling tower outlet and the condenser coil import, this water pump (B3) is communicated with the boiler channel import by a solenoid electric valve (K6) simultaneously; Between described condenser coil outlet and the cooling tower import solenoid electric valve (K10) is set, should outlet be communicated with simultaneously by a solenoid electric valve (K3) and room conditioning end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201106263U CN201069217Y (en) | 2007-06-14 | 2007-06-14 | An ice water efficient energy-saving central air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201106263U CN201069217Y (en) | 2007-06-14 | 2007-06-14 | An ice water efficient energy-saving central air conditioning system |
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| Publication Number | Publication Date |
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| CN201069217Y true CN201069217Y (en) | 2008-06-04 |
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| CNU2007201106263U Expired - Fee Related CN201069217Y (en) | 2007-06-14 | 2007-06-14 | An ice water efficient energy-saving central air conditioning system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103968599A (en) * | 2013-01-29 | 2014-08-06 | 广州天河兰石技术开发有限公司 | Energy-saving cold and heat source water supply system |
| CN106839218A (en) * | 2017-03-10 | 2017-06-13 | 深圳达实智能股份有限公司 | Central air conditioner system efficiency lifting assembly and its control method |
| CN111713954A (en) * | 2019-03-19 | 2020-09-29 | 佛山市顺德区美的电热电器制造有限公司 | Cooking method, apparatus and storage medium |
-
2007
- 2007-06-14 CN CNU2007201106263U patent/CN201069217Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103968599A (en) * | 2013-01-29 | 2014-08-06 | 广州天河兰石技术开发有限公司 | Energy-saving cold and heat source water supply system |
| CN103968599B (en) * | 2013-01-29 | 2016-07-06 | 广州天河兰石技术开发有限公司 | A kind of energy-conservation Cooling and Heat Source water system |
| CN106839218A (en) * | 2017-03-10 | 2017-06-13 | 深圳达实智能股份有限公司 | Central air conditioner system efficiency lifting assembly and its control method |
| CN106839218B (en) * | 2017-03-10 | 2023-07-28 | 深圳达实智能股份有限公司 | Central air conditioning system energy efficiency lifting assembly and control method thereof |
| CN111713954A (en) * | 2019-03-19 | 2020-09-29 | 佛山市顺德区美的电热电器制造有限公司 | Cooking method, apparatus and storage medium |
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| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG YAONENG TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: YU XIAOBING Effective date: 20100908 |
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