TWI635243B - Heat exchange switching system and method thereof - Google Patents

Abstract

The invention relates to a heat exchange switching system and a method thereof, first cooling a first fluid by a cooling water tower, and then controlling the first switching device to prevent the first fluid from flowing into the second cooling pipeline, and controlling the second switching device to The two fluids cannot flow into the second heat exchange line, and the cooling device is actuated to generate a low temperature to exchange heat with the second fluid to cool the temperature, and at the same time, the cooling device cools through the first fluid; and the first switching device is controlled to be a fluid flows into the second cooling line, and controls the two switching devices to flow the second fluid into the second heat exchange line, allowing the second fluid to exchange heat with the first fluid to lower the temperature, thereby enabling the present invention to meet the demand Switching to save energy reduces costs and reduces the practical advancement of cooling device wear.

Description

Heat exchange switching system and method thereof

The present invention provides a heat exchange switching system and method thereof, and more particularly to a heat exchange switching system and method thereof that can be switched as needed to save energy and reduce wear and tear on the cooling device.

According to the fact that most of today's buildings are made of concrete, and the mixed soil has the characteristics of being difficult to dissipate heat, in general, the indoor temperature of the building is mostly higher than the outdoor temperature, especially in the hot weather such as summer. The temperature difference between the indoor temperature and the outdoor temperature of the object will be larger (for example, six degrees difference).

Therefore, many buildings are equipped with a conventional refrigerant air-conditioning device with a refrigerant, and the conventional refrigerant air-conditioning device generates cold air when it is started, and the cold air exchanges heat with the indoor environment to lower the indoor temperature; but the weather is cold in winter. At the time, the difference between the cold air generated by the conventional refrigerant air-conditioning device and the indoor temperature is small (for example, three degrees difference), resulting in poor efficiency of opening the conventional refrigerant air-conditioning device, resulting in waste of energy and increased cost.

Therefore, how to solve the above problems and deficiencies in the above-mentioned applications, that is, the inventors of the present invention and those involved in the industry are eager to study the direction of improvement.

Therefore, the inventors of the present invention have collected the relevant information in view of the above-mentioned shortcomings, and through multi-party evaluation and consideration, and through years of experience accumulated in the industry, through continuous trial and modification, the design has been designed to switch between demand and demand. A patent holder of a heat exchange switching system and method for saving energy reduction costs.

The main object of the present invention is to reduce the use of electric power by reducing the temperature of the cooling tower and selectively opening and closing the cooling device, and reducing the use of the cooling device to reduce the wear thereof.

In order to achieve the above object, the present invention includes at least one cooling water tower and at least one air conditioning device, wherein the cooling water tower is configured to circulate and cool the at least one first fluid, and the cooling water tower is connected to at least one first cooling pipeline, and the At least one cooling device is disposed on the cooling pipe, and at least one second cooling pipe is connected to the first cooling pipe, and at least one first switching device is disposed between the first cooling pipe and the second cooling pipe. To selectively control the flow of the first fluid into the second cooling circuit.

The air conditioner is configured to circulate a second fluid and exchange heat with the air conditioner, the air conditioner is connected to the at least one first heat exchange conduit, and the first heat exchange conduit is connected to at least one second heat exchange conduit, and At least one second switching device is disposed between the first heat exchange conduit and the second heat exchange conduit to selectively control the flow of the second fluid into the second heat exchange conduit.

In use, the cooling water tower first cools the first fluid, and the first fluid flows into the first cooling pipeline, flows through the first switching device, and the cooling device, and then flows back into the cooling water tower, and the second fluid circulation air conditioning device The heat exchange is performed around the air conditioner, and flows into the first heat exchange line, flows through the side of the cooling device, and flows back to the air conditioning device.

When the difference between the indoor temperature and the outdoor temperature is large, the first switching device may be selected to prevent the first fluid from flowing into the second cooling circuit, and the second switching device is controlled to prevent the second fluid from flowing into the second heat exchange conduit, and The cooling device is actuated to generate a low temperature and heat exchange with the second fluid in the first heat exchange circuit to cool the temperature, so that the temperature around the air conditioning device is greatly reduced, and the heat generated by the cooling device is generated by the first cooling pipe. A fluid is dissipated and the first fluid is cooled by the cooling tower for later use.

When the difference between the indoor temperature and the outdoor temperature is small, the first switching device may be selected to flow the first fluid into the second cooling pipe and then flow back to the first cooling pipe, and the second switching device to control the second fluid to flow into the second After the heat exchange pipeline flows back to the first heat exchange pipeline, the second cooling pipeline is disposed adjacent to the second heat exchange pipeline, so that the second fluid can exchange heat with the first fluid to lower the temperature, so that the air conditioner The surrounding temperature is lowered, and the first fluid that is heated by the heat exchange with the second fluid is cooled by the cooling tower for the next use. According to the above technology, the existing refrigerant air conditioner can be switched, and When the temperature difference between indoor and outdoor is small, the efficiency is poor, and the problem of energy waste and increased cost is broken, and the practical progress of switching between energy saving and reducing the wear of the cooling device can be achieved.

11‧‧‧ cooling tower

121‧‧‧First cooling line

122‧‧‧Second cooling line

13‧‧‧First switching device

14‧‧‧First pump

15‧‧‧Cooling device

16‧‧‧Second heat exchange unit

21‧‧‧Air conditioning equipment

221‧‧‧First heat exchange line

222‧‧‧Second heat exchange line

23‧‧‧Second switching device

24‧‧‧Second pump

25‧‧‧First heat exchange unit

26‧‧‧ Third heat exchange unit

3‧‧‧Control device

The first figure is a schematic structural view of a preferred embodiment of the present invention.

The second drawing is a schematic diagram of the steps of a preferred embodiment of the invention.

The third figure is a schematic diagram of the action concept of the preferred embodiment of the present invention.

The fourth figure is a schematic diagram of the cooling operation of the preferred embodiment of the present invention.

The fifth drawing is a schematic diagram of the energy saving operation of the preferred embodiment of the present invention.

In order to achieve the above objects and effects, the technical means and the structure of the present invention will be described in detail with reference to the preferred embodiments of the present invention.

Referring to the first embodiment, which is a schematic structural view of a preferred embodiment of the present invention, it can be clearly seen from the figure that the present invention includes at least one cooling water tower 11, at least one first cooling pipe 121, and at least one second cooling. The pipeline 122, the at least one first switching device 13, the at least one first pump 14, the at least one cooling device 15, the at least one second heat exchange device 16, the at least one air conditioning device 21, and the at least one first heat exchange conduit 221 At least one second heat exchange line 222, at least one second switching device 23, at least one second pump 24, at least one first heat exchange device 25, at least one third heat exchange device 26, and at least one control device 3.

The cooling tower 11 is configured to circulate and cool the at least one first fluid. The first cooling pipe 121 is disposed at the side of the cooling tower 11 and is connected thereto for the first fluid to circulate, and the first pump 14 is set at the first cooling temperature. The cooling circuit 15 is provided on the pipeline 121 to control the flow of the first fluid, and the cooling device 15 is disposed on the first cooling pipe 121, and is operated to generate a low temperature and is dissipated by the first fluid. In the embodiment, the cooling device 15 includes at least A refrigerant is implemented as a refrigerant.

The second cooling pipe 122 is disposed on the first cooling pipe 121 and is connected thereto, and is located between the cooling water tower 11 and the cooling device 15. The first switching device 13 is disposed in the first cooling pipe 121 and the second cooling pipe. Between the roads 122, the first fluid flows selectively into the second cooling circuit 122, and the second cooling circuit 122 is disposed adjacent to the second heat exchange line 222 at least one second heat exchange device 16.

The air conditioner 21 is configured to allow at least one second fluid to circulate and exchange heat with the air conditioner 21. In the embodiment, the air conditioner 21 includes at least one blade, and the first heat exchange conduit 2 is implemented. 21 is disposed at the side of the air conditioner 21 and is connected thereto, and the first heat exchange line 221 is located at the side of the cooling device 15 for the second fluid to circulate and exchange heat with the low temperature generated by the cooling device 15, the first heat The exchange line 221 is provided with at least one second pump 24 for controlling the flow of the second fluid. The first heat exchange line 221 is adjacent to the cooling device 15 and is provided with at least one first heat exchange corresponding to the position of the cooling device 15. Device 25.

The second heat exchange line 222 is disposed on the first heat exchange line 221 and is connected thereto, and is located at the side of the second temperature reducing line 122 for the second fluid to circulate, and to flow to the second cooling line 122. The first fluid is heat exchanged, and the second switching device 23 is disposed between the first heat exchange conduit 221 and the second heat exchange conduit 222 to selectively control the flow of the second fluid into the second heat exchange conduit 222. The second heat exchange line 222 is provided with at least one third heat exchange unit 26 adjacent to the second heat exchange unit 16 for heat exchange.

In addition, in the present embodiment, the first switching device 13 and the second switching device 23 include at least one multi-directional valve body, and the cooling device 15, the first switching device 13, and the second switching device 23 are The control device 3 is connected to the information to cooperate with each other. The above is only one of the embodiments of the present invention, and the aspect thereof is not limited thereto.

Please refer to the first to fifth figures at the same time, which is a schematic structural diagram, a schematic diagram of the steps, a schematic diagram of the actuation concept, a schematic diagram of the cooling operation, and a schematic diagram of the energy-saving operation according to the preferred embodiment of the present invention. The steps of the present invention are (a) startup, (b) cooling and cooling, and (c) energy saving and cooling.

As shown in the third figure, the present invention performs the step (a) activation in use: the user activates the control device 3, and the cooling water tower 11 is actuated to exchange heat between the first fluid and the cooling water tower 11 to reduce the first fluid. Temperature, and the control device 3 causes the first pump 14 to operate to cause the first fluid to flow into the first cooling pipe 121, and flows through the first switching device 13 and the cooling device 15 to flow back to the cooling water tower 11; meanwhile, the control device 3 The air conditioner 21 operates to exchange heat between the second fluid and the air conditioner 21, causing the temperature of the second fluid to rise and the temperature of the air conditioner 21 to fall, and the control device 3 causes the second pump 24 to operate to cause the second fluid to flow into the second fluid. A heat exchange line 221 flows through the side of the cooling device 15 and the second switching device 23 and then flows back to the air conditioning unit 21.

In addition, when the difference between the indoor temperature and the outdoor temperature is large, step (b) cooling and cooling is performed as shown in the fourth figure: the user controls the first switching device 13 via the control device 3 to prevent the first fluid from flowing into the second Cooling line 122, and controlling second switching device 23 to prevent second fluid from flowing into second heat The pipeline 222 is replaced, and the cooling device 15 is actuated to generate a low temperature to exchange heat with the second fluid to cool the temperature, and the heat exchange efficiency is increased by the first heat exchange device 25, so that the cooled second fluid passes through the first heat exchange tube. After the road 221 flows back to the air conditioner 21, the temperature of the air conditioner 21 can be greatly reduced by the heat exchange; at the same time, the high temperature generated by the cooling device 15 is dissipated by heat exchange with the first fluid, and the heat is exchanged with the cooling device 15 to heat up. A fluid heat flows back to the cooling water tower 11 through the first cooling pipe 121 to cool down, and continuously circulates.

In addition, when the difference between the indoor temperature and the outdoor temperature is small, the step (c) is performed to save energy and cool down as shown in the fifth figure: the user controls the first switching device 13 via the control device 3 to make the first cooling circuit 121 The first fluid may flow into the second cooling line 122, and the second switching device 23 is controlled to allow the second fluid in the first heat exchange line 221 to flow into the second heat exchange line 222, but the cooling device 15 is controlled to be inactive. And because the second cooling line 122 is disposed adjacent to the second heat exchange line 222, the second fluid can exchange heat with the first fluid to lower the temperature, and further pass through the second heat exchange device 16 and the third heat exchange device. 26 improving the heat exchange efficiency, the cooled second fluid flows back to the air conditioning equipment 21 to exchange heat with the surrounding air conditioner 21, so that the temperature of the air conditioning equipment 21 is reduced; and the first fluid system that heat exchanges with the second fluid and the temperature rises and flows back to cool down. The water tower 11 is cooled and continuously circulated, so that the energy and cost required for the cooling device 15 to operate can be saved.

Therefore, the heat exchange switching system of the present invention and the method thereof can improve the conventional technology. The key is to pass through the cooling water tower 11, the first cooling line 121, the second cooling line 122, the first switching device 13, and the cooling device 15. The air conditioning device 21, the first heat exchange conduit 221, the second heat exchange conduit 222, and the second switching device 23 cooperate to enable the present invention to be switched as needed to save energy and reduce the wear of the cooling device 15. Practical and progressive.

However, the above description is only the preferred embodiment of the present invention, and thus it is not intended to limit the scope of the present invention. Therefore, the simple modification and equivalent structural changes of the present specification and the drawings should be treated similarly. It is included in the scope of the patent of the present invention and is combined with Chen Ming.

In summary, the heat exchange switching system and method of the present invention can achieve its efficacy and purpose when used, so the invention is an invention with excellent practicability, and is an application for conforming to the invention patent, To file an application, I hope that the review committee will grant the invention as soon as possible to protect the inventor's hard work. If there is any doubt in the audit committee, please do not hesitate to give instructions, the inventor will try his best to cooperate and feel polite.

Claims (10)

A heat exchange switching system comprising: at least one cooling water tower for circulating at least one first fluid and cooling the same; at least one first cooling pipeline, the first cooling pipeline is disposed on the cooling tower side And communicating with the first fluid for at least one cooling device, the cooling device is disposed on the first cooling pipe, and is actuated to generate a low temperature and use the first fluid to dissipate heat; at least one second cooling a second cooling circuit disposed on the first cooling circuit and connected thereto, and located between the cooling water tower and the cooling device; at least a first switching device, the first switching device is disposed at the first Between a cooling line and the second cooling line, to selectively control the flow of the first fluid into the second cooling line; at least one air conditioning device, the air conditioning device for at least one second fluid to circulate with the air conditioning device Heat exchange is performed around; at least one first heat exchange line is disposed at the side of the air conditioner and is connected thereto, and the first heat exchange line is located at the side of the cooling device for The second fluid circulates and exchanges heat with the low temperature generated by the cooling device; at least one second heat exchange conduit disposed on the first heat exchange conduit and connected thereto, and located at the a second cooling line side for the second fluid to circulate and exchange heat with the first fluid flowing through the second cooling line; and at least one second switching device, the second switching device is disposed at the side Between the first heat exchange line and the second heat exchange line to selectively control the flow of the second fluid into the second heat exchange line. The heat exchange switching system of claim 1, wherein the first cooling circuit is provided with at least one first pump for controlling the flow of the first fluid, and the first heat exchange circuit is provided with at least A second pump for controlling the flow of the second fluid. The heat exchange switching system of claim 1, wherein the first heat exchange line is adjacent to the cooling device, and at least one first heat exchange device corresponding to the position of the cooling device is provided, and the second The cooling pipe is provided with at least one second heat exchange device adjacent to the second heat exchange pipe, and the second heat exchange pipe is provided with at least one third heat exchange device adjacent to the second heat exchange device. The heat exchange switching system of claim 1, wherein the cooling device, the first switching device, and the second switching device are linked to at least one control device. The heat exchange switching system of claim 1, wherein the first switching device and the second switching device comprise at least one multi-directional valve body. A heat exchange switching method, the steps of which are: (a) cooling at least one first fluid by at least one cooling water tower, and flowing the first fluid into at least one first cooling pipeline connected to the cooling tower, and flowing through At least one first switching device disposed on the first cooling circuit and the at least one cooling device are returned to the cooling water tower, and at least one air conditioning device is configured to circulate at least one second fluid and exchange heat with the air conditioning device. The second flow system flows into at least one first heat exchange line that is connected to the air conditioner, and flows through the side of the cooling device and at least one second switching device disposed on the first heat exchange line Returning to the air conditioning device; (b) controlling the first switching device to prevent the first fluid from flowing into at least one second cooling circuit that is in communication with the first cooling circuit, and controlling the second switching device to enable the second The fluid cannot flow into at least one second heat exchange line that is in communication with the first heat exchange line, and the cooling device is actuated to generate a low temperature to exchange heat with the second fluid to cool it, and the cooling device transmits the First stream And (c) controlling the first switching device to cause the first fluid to flow into the second cooling circuit, and controlling the second switching device to cause the second fluid to flow into the second heat exchange conduit, such that the first The two fluids exchange heat with the first fluid to lower the temperature. The heat exchange switching method of claim 6, wherein the first cooling pipe described in the step (a) is provided with at least one first pump for controlling the flow of the first fluid, and the first A heat exchange line is provided with at least one second pump for controlling the flow of the second fluid. The heat exchange switching method of claim 6, wherein the first heat exchange line of the step (b) is adjacent to the cooling device, and at least one is provided for heat exchange with the cooling device. a first heat exchange device, wherein the second cooling circuit described in the step (c) is provided with at least one second heat exchange device, and at least one of the second heat exchange tubes is provided with the second heat exchange device A third heat exchange device that performs heat exchange. The heat exchange switching method of claim 6, wherein the cooling device, the first switching device, and the second switching device are connected with at least one control device. Cooperate with cooperation. The heat exchange switching method of claim 6, wherein the first switching device and the second switching device of the step (a) comprise at least one for controlling the first fluid, and the first Two-fluid multi-directional valve body.