CN210892240U - Air conditioning system for recovering heat - Google Patents
Air conditioning system for recovering heat Download PDFInfo
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- CN210892240U CN210892240U CN201921141379.2U CN201921141379U CN210892240U CN 210892240 U CN210892240 U CN 210892240U CN 201921141379 U CN201921141379 U CN 201921141379U CN 210892240 U CN210892240 U CN 210892240U
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Abstract
The utility model provides an air conditioning system for recovering heat, which comprises a refrigerant solution circulating system and a cooling water circulating system for collecting heat, wherein the refrigerant solution circulating system comprises a generator for exchanging heat with the cooling water circulating system, an outdoor heat exchanger, an indoor heat exchanger, a solution pump and an absorber for connecting the solution pump and the indoor heat exchanger; the refrigerant solution circulating system further includes a direction change valve for switching a flow direction of the refrigerant solution therein. The utility model provides a retrieve thermal air conditioning system has newly increased the switching-over valve, and the heat of retrieving heats the generator, and the switching-over valve is connected to the generator, realizes the intercommunication switching of generator and indoor heat exchanger and outdoor heat exchanger through the setting to the switching-over valve. The process of refrigerating when the generator is communicated with the outdoor heat exchanger and the process of heating when the generator is communicated with the indoor heat exchanger realize flexible and quick switching of refrigerating or heating of the recovered heat.
Description
Technical Field
The utility model belongs to the technical field of the heat is collected and is utilized, more specifically say, relate to a retrieve thermal air conditioning system.
Background
With the continuous development of science and technology, people have stronger and stronger dependence on the internet. High definition video on demand, real-time network gaming, video telephony, P2P networks, video conferencing, and telecommuting have increased the demand for network bandwidth. In order to meet the demand of these new services, the bandwidth of networking is increasing, and the energy consumption and carbon emission are also increasing synchronously. To store more and more data, data centers are becoming more and more dense and numerous. According to the statistics of the existing power infrastructure of the interconnected data centers, the energy consumption of the interconnected data centers can reach 1000 hundred million kilowatt-hours. Roughly corresponding to 1.5% of national energy consumption, and the more 99% of this energy is converted into heat energy which is dissipated to the surrounding environment. In order to accommodate more servers, a large number of cooling devices are required to provide a stable low temperature environment for the servers. And as the number of servers continues to increase, this refrigeration requirement will increase.
At present, some air conditioners absorb waste heat of a machine room and utilize the absorbed heat to realize the refrigeration process of the air conditioners.
However, the existing air conditioner realizes independent cooling or heating by using absorbed heat, and the concept of switching cooling and heating or the switching mode is not efficient.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a retrieve thermal air conditioning system to what exist among the solution prior art does not realize switching refrigeration heating or switching mode inefficiency problem to retrieving the heat.
In order to achieve the above object, the utility model adopts the following technical scheme: provided is an air conditioning system for recovering heat, including: a refrigerant solution circulating system and a cooling water circulating system collecting heat, the refrigerant solution circulating system comprising: the cooling water circulation system comprises a generator for exchanging heat with the cooling water circulation system, an outdoor heat exchanger, an indoor heat exchanger, a solution pump and an absorber, wherein the outdoor heat exchanger, the indoor heat exchanger and the solution pump are connected with the generator; the method is characterized in that: the refrigerant solution circulating system further includes a direction change valve for switching a flow direction of the refrigerant solution therein.
Furthermore, the reversing valve is a four-way valve, and four ends of the reversing valve are respectively connected with the generator, the outdoor heat exchanger, the indoor heat exchanger and the absorber.
Further, a first capillary tube is arranged between the reversing valve and the absorber.
Further, a second capillary is disposed between the generator and the absorber.
Furthermore, an electronic expansion valve is arranged between the outdoor heat exchanger and the reversing valve.
Further, the cooling water circulation system comprises a water pump and at least one cold plate connected with the water pump, and the cold plate and the water pump are communicated with the generator.
Further, the cold plate comprises a cold water pipe and a cooling plate, and the cold water pipe completes a coil structure in the cooling plate.
Furthermore, a solenoid valve is arranged on the cold water pipe and is positioned outside the cooling plate.
The utility model provides a retrieve thermal air conditioning system's beneficial effect lies in: compared with the prior art, the utility model discloses newly increased the switching-over valve, the heat of retrieving heats the generator, and the switching-over valve is connected to the generator, realizes the intercommunication switching of generator and indoor heat exchanger and outdoor heat exchanger through the setting to the switching-over valve. The process of refrigerating when the generator is communicated with the outdoor heat exchanger and the process of heating when the generator is communicated with the indoor heat exchanger realize the flexible and quick switching of refrigerating or heating of the recovered heat.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic structural diagram of an air conditioning system for recovering heat according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a cooling water circulation system according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a cold plate according to an embodiment of the present invention.
Wherein, in the drawings, the reference numerals are mainly as follows:
1. a generator; 2. an outdoor heat exchanger; 3. an indoor heat exchanger; 4. a solution pump; 5. an absorber; 6. a diverter valve; 7. a first capillary tube; 8. a second capillary tube; 9. an electronic expansion valve; 10. a water pump;
11. a cold plate; 111. a cold water pipe; 112. a cooling plate; 113. an electromagnetic valve.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to fig. 3, an air conditioning system for recovering heat according to an embodiment of the present invention will be described. The air conditioning system for recovering heat comprises a refrigerant circulating system and a cooling water circulating system, wherein the refrigerant circulating system comprises a generator 1, an outdoor heat exchanger 2, an indoor heat exchanger 3, a solution pump 4, an absorber 5 and a reversing valve 6. The generator 1 is respectively connected with the outdoor heat exchanger 2, the indoor heat exchanger 3 and the solution pump 4, the absorber 5 is connected between the solution pump 4 and the indoor heat exchanger 3, and the reversing valve 6 is connected with the generator 1 and used for switching the communication state of the generator 1 and the indoor heat exchanger 3 or the outdoor heat exchanger 2 to realize the switching of the refrigerating and heating processes. The air conditioning system heats the generator 1 by using heat recovered from the outside, and the air conditioning system mainly recovers and utilizes the heat generated in the machine room, but is also applicable to other occasions where heat can be generated. Specifically, to retrieving computer lab waste heat, cold drawing 11 is installed to the part that generates heat in the computer, provides the coolant liquid to cold drawing 11 through water pump 10, and here coolant liquid is the cooling water, cools down the computer through cold drawing 11, and simultaneously, the heat that the computer produced has also carried out the effect of heating to the cooling water. The cooling water flowing out of the cold plate 11 is converged and flows into the generator 1, and heat is released. The generator 1 is filled with refrigerant solution, the refrigerant solution is heated by cooling water, the cooling water is cooled after heat transfer, and the cooling water returns to the water pump 10 from the generator 1 for next circulation.
The utility model provides a retrieve thermal air conditioning system compares with prior art, has newly increased switching-over valve 6, and the heat of retrieving heats generator 1, and switching-over valve 6 is connected to generator 1, realizes through the setting to switching-over valve 6 that generator 1 and indoor heat exchanger 3 and outdoor heat exchanger 2's intercommunication switch. The process of refrigerating when the generator 1 is communicated with the outdoor heat exchanger 2 and the process of heating when the generator 1 is communicated with the indoor heat exchanger 3 realize the flexible and quick switching of refrigerating or heating of the recovered heat.
Further, please refer to fig. 1, as the utility model provides a retrieve thermal air conditioning system's a specific embodiment, change-over valve 6 chooses for use to be the cross valve, wherein, four ends of cross valve are connected generator 1 respectively, outdoor heat exchanger 2, indoor heat exchanger 3 and absorber 5, adjust and change through the intercommunication state to change valve 6, realize the intercommunication state between generator 1 and outdoor heat exchanger 2, indoor heat exchanger 3 and the absorber 5 to realize the refrigeration process, the flexibility and the fast switch-over of heating process.
Further, please refer to fig. 1, as the utility model provides a retrieve a specific implementation of thermal air conditioning system, be provided with first capillary 7 between switching-over valve 6 and the absorber 5, first capillary 7 is connected the choke valve and is had the effect of bypass pressure release, prevents that the pipeline of intercommunication from forming the blind spot, guarantee and system intercommunication. In addition, the first capillary 7 has the characteristic of small flow, so that the influence on the system after the first capillary 7 is connected is small and can be ignored, and the fluctuation of the system is prevented.
Further, please refer to fig. 1, as a specific embodiment of the air conditioning system for recovering heat provided by the present invention, a second capillary 8 is further disposed between the generator 1 and the absorber 5, the second capillary 8 has the same function as the first capillary 7, the second capillary 8 is used for ensuring the communication between the generator 1 and the absorber 5, and the influence on the system is reduced to the minimum to prevent the system from generating fluctuation.
Further, please refer to fig. 1, as a specific embodiment of the air conditioning system for recovering heat provided by the present invention, an electronic expansion valve 9 is disposed between the outdoor heat exchanger 2 and the indoor heat exchanger 3, and the electronic expansion valve 9 has a good throttling and pressure reducing effect.
Further, please refer to fig. 2, as a specific embodiment of the air conditioning system for recovering heat provided by the present invention, the cooling water circulation system includes a water pump 10 and a plurality of cold plates 11, wherein the cold plates 11 and the water pump 10 are communicated with the generator 1. The cold plates 11 are installed in each computer in the machine room, the cooling water circulation system is used for collecting heat of each computer in the machine room, and the collected heat is used for heating refrigerant solution in the generator 1, so that the generation process is completed.
Further, referring to fig. 3, as a specific embodiment of the air conditioning system for recovering heat provided by the present invention, the cold plate 11 includes a cold plate 11 including a cold water pipe 111 and a cold plate 112, and the cold water pipe 111 completes a coil structure in the cold plate 112. The heat exchange effect is enhanced, cooling water is arranged in the cooling pipe, on one hand, the computer is cooled, and on the other hand, the heat of the computer can be collected.
Further, referring to fig. 3, as a specific embodiment of the air conditioning system for recovering heat provided by the present invention, an electromagnetic valve 113 is disposed on the cold water pipe 111, and the electromagnetic valve 113 is located outside the cooling plate 112. The electromagnetic valve 113 is arranged at the water inlet end of the cold water pipe 111 and is powered by the computer, so that the cold plate 11 only dissipates heat of the computer when the computer is turned on, and collects heat of the computer. The electromagnetic valve 113 is a straight-through type valve, is in a normally closed state, and functions to make and break a flow path, and is opened, then conducted, and closed, and then shut off. The principle in the scheme is as follows: the power supply of the electromagnetic valve 113 is linked with a computer or a chip for heat dissipation of the cold plate 11, and the like, when the computer is powered on, the electromagnetic valve 113 is opened, and when the computer is powered off, the electromagnetic valve 113 is closed for communication of cooling water.
The control method of the air conditioning system using the recovered heat comprises the following steps: the collected heat flows into the air conditioning system, the collected heat is collected in a cooling water circulation mode, the cooling water carries out heat exchange on the collected heat in the system and then flows back, and meanwhile, the air conditioning system carries out a refrigerating or heating process. Specifically, to retrieving computer lab waste heat, cold drawing 11 is installed to the part that generates heat in the computer, provides the coolant liquid to cold drawing 11 through water pump 10, and here coolant liquid is the cooling water, cools down the computer through cold drawing 11, and simultaneously, the heat that the computer produced has also carried out the effect of heating to the cooling water. The cooling water flowing out of the cold plate 11 is converged and flows into the generator 1, and heat is released. The generator 1 is filled with refrigerant solution, the refrigerant solution is heated by cooling water, the cooling water is cooled after heat transfer, and the cooling water returns to the water pump 10 from the generator 1 for next circulation.
Further, as a specific embodiment of the control method provided by the present invention, the cooling water circulation includes: the collected heat heats the cooling water and then flows into the generator 1, the generator 1 is filled with a refrigerant solution, the heated cooling water heats the refrigerant solution, and meanwhile, the cooling water continues to circulate for the next time after being cooled. The refrigerant solution is heated by the collected heat and then evaporated, and flows into the subsequent part of the system to perform the process of refrigeration or heating.
Further, as a specific implementation manner of the control method provided by the present invention, wherein the refrigeration process includes: and setting a reversing valve 6 to communicate the generator 1 with the outdoor heat exchanger 2, wherein the generator 1 is filled with refrigerant solution, the refrigerant solution is heated and evaporated to form refrigerant steam, and the refrigerant steam flows into the outdoor heat exchanger 2 through the reversing valve 6. The liquid is liquefied in the outdoor heat exchanger 2. Setting the electronic expansion valve 9 for adjustment again, throttling the liquefied refrigerant through the electronic expansion valve 9, entering the indoor heat exchanger 3 for heating and evaporation, entering the absorber 5 through refrigerant vapor formed after evaporation, and entering the generator 1 through the solution pump 4 after being absorbed by refrigerant solution in the absorber 5. The refrigeration process is completed through the steps.
Further, as a specific embodiment of the control method provided by the present invention, the refrigerant solution in the absorber 5 enters the absorber 5 through the second capillary 8 after the generation process is completed by the refrigerant solution in the generator 1, so that the concentration of the refrigerant solution in the absorber 5 is lower than that in the generator 1.
Further, as the utility model provides a control method's a concrete implementation way, the process of heating has similar part with above-mentioned refrigerated process, and the difference with the refrigeration process lies in: the reversing valve 6 is communicated with the indoor heat exchanger 3, refrigerant steam evaporated from the generator 1 directly enters the indoor heat exchanger 3 through the reversing valve 6 to be condensed, and the heating process is realized.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. An air conditioning system comprising: a refrigerant solution circulating system and a cooling water circulating system collecting heat, the refrigerant solution circulating system comprising: the cooling water circulation system comprises a generator for exchanging heat with the cooling water circulation system, an outdoor heat exchanger, an indoor heat exchanger, a solution pump and an absorber, wherein the outdoor heat exchanger, the indoor heat exchanger and the solution pump are connected with the generator; the method is characterized in that: the refrigerant solution circulating system also comprises a reversing valve for switching the flow direction of the refrigerant solution in the refrigerant solution circulating system; the cooling water circulation system comprises a water pump and at least one cold plate connected with the water pump, and the cold plate and the water pump are communicated with the generator.
2. The air conditioning system of claim 1, wherein: the reversing valve is a four-way valve, and four ends of the four-way valve are respectively connected with the generator, the outdoor heat exchanger, the indoor heat exchanger and the absorber.
3. The air conditioning system of claim 1, wherein: a first capillary tube is arranged between the reversing valve and the absorber.
4. The air conditioning system of claim 1, wherein: a second capillary tube is arranged between the generator and the absorber.
5. The air conditioning system of claim 1, wherein: an electronic expansion valve is arranged between the outdoor heat exchanger and the reversing valve.
6. The air conditioning system of claim 1, wherein: the cold plate comprises a cold water pipe and a cooling plate, and the cold water pipe is arranged in the cooling plate to complete a coil pipe structure.
7. The air conditioning system of claim 6, wherein: and the cold water pipe is provided with an electromagnetic valve which is positioned outside the cooling plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921141379.2U CN210892240U (en) | 2019-07-19 | 2019-07-19 | Air conditioning system for recovering heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921141379.2U CN210892240U (en) | 2019-07-19 | 2019-07-19 | Air conditioning system for recovering heat |
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| Publication Number | Publication Date |
|---|---|
| CN210892240U true CN210892240U (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921141379.2U Active CN210892240U (en) | 2019-07-19 | 2019-07-19 | Air conditioning system for recovering heat |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110274410A (en) * | 2019-07-19 | 2019-09-24 | 珠海格力电器股份有限公司 | Recycle the air-conditioning system and control method of heat |
-
2019
- 2019-07-19 CN CN201921141379.2U patent/CN210892240U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110274410A (en) * | 2019-07-19 | 2019-09-24 | 珠海格力电器股份有限公司 | Recycle the air-conditioning system and control method of heat |
| CN110274410B (en) * | 2019-07-19 | 2023-09-19 | 珠海格力电器股份有限公司 | Air conditioning system for recovering heat and control method |
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