TW494222B - Method for reinforcing condensation and a device thereof - Google Patents

Abstract

A device for reinforcing condensation, especially a device being disposed between a compressor and an expansion valve in a condensation system, comprises a front pipe, at least two divided flow pipes, a plurality of capillary tubes, at least a combining pipe, and a rear pipe. The front pipe is connected to a heat exchange pipe in the condensation system. The divided flow pipes are joined to the front pipe and each divided flow pipe has a diameter thereof smaller than that of the front pipe. The capillary tubes are divided into a plurality of groups and each group has two or more of the capillary tubes. The capillary tubes at an end thereof connect with the divided flow pipes and the diameter of the respective capillary tube is smaller than that the diameter of the respective divided flow pipe. The combining pipe at an end thereof connects with the other end of each capillary tube. The rear pipe has an end thereof connects with the other end of the combining pipe and the other end of the rear pipe connects with the expansion valve.

Description

494222 V. Description of the invention (1) According to the operating principle of the condensing system, it is based on heat exchange, that is, through the heat absorption and heat dissipation cycle of the refrigerant, to provide the effect of the cold room. Compressor output is returned to the compressor, and after heat dissipation, the temperature of the refrigerant drops again, and changes from gaseous state to liquid state, and then flows through the cold room. During this process, during the evaporation phase, the large system is in a mist state, and only absorbs heat. After that, it was probably gaseous. This method is an example of applying it to an air conditioner that is familiar to me. When evaporating, the exhaust air can be provided to provide an indoor cold room, and then the refrigerant is sucked back into the compressor and driven into the outdoor heat pipe. It is cooled by the outside air or cooling water, and then condensed into a liquid due to this, and then sent to the indoor evaporation tube. The conventional condensing system is shown in Figure 1. After the compressor sends the refrigerant under pressure through the radiator pipe, the refrigerant passes through the condenser pipe and expands to produce a cooling effect. In theory, if the refrigerant is liquid, then The subsequent cold room effect is better; only because the liquid refrigerant is doped with a gaseous refrigerant, the gaseous refrigerant cannot be cooled to a liquid state during the heat dissipation process through the heat pipe. Therefore, what we call "latent heat" It affects the subsequent cold room effect. This "latent heat" is a blind spot that cannot be eliminated in current condensation systems. The reason is that even if the refrigerant mixed with liquid and gas flows through the heat pipe, the gas flow is trapped or buried in the gaseous state because of its fast flow rate. Refrigerant does not touch the tube wall for heat dissipation, so it accompanies the liquid refrigerant into the expansion valve. In other words, the gaseous refrigerant that represents latent heat and has not completed condensation cannot be effectively eliminated.

494222 V. Description of the invention (2) In view of this phenomenon, the applicant believes that in order to strengthen the condensation effect and break through the conventional bottleneck, it is necessary to eliminate this gaseous refrigerant in the circulation system, at least not to make it enter the expansion valve system. . In view of this, the applicant has been engaged in the design and production and sales of refrigeration air conditioners for many years, and has made intensive research to overcome the above-mentioned shortcomings. After repeated experiments, he began to create the "condensation strengthening method and device" in this case. In order to further reveal the specific content of this case, please refer to the diagram first. The reason is that Fig. 1 is a schematic diagram of a conventional condensation system, Fig. 2 is a diagram of a condensation system in this case, and Fig. 3 is a sectional view of a condensation enhancement device in this case.

As shown in Figs. 2 and 3, basically, the condensation strengthening device 1 in this case is installed between the compressor A and the expansion valve B, and particularly preferably between the heat dissipation pipe C and the expansion valve B. The condensation strengthening device is a combination of a front pipe 1, at least two diverter pipes 2, a plurality of capillary tubes 3, at least two merge pipes 4, and a rear pipe 5. Among them, the front pipe 1 is a pipe body, and one end can be connected to the heat dissipation pipe C of the original condensation system. In order to make the refrigerant passing through pure and free of impurities, the end thereof is near the shunt pipe 2 at the rear. A sieve 11 and 俾 filter out impurities.

The shunt pipe 2 is a pipe body, which is respectively connected to the rear end of the foregoing pipe 1 and communicates with each other. In order to correspond to the flow, the cross-sections and diameters of each of the shunt pipes 2 are at least not less than the above-mentioned section 1. To avoid the backlog or obstruction of the refrigerant, as disclosed in this case, it is composed of 4 branch pipes 2. However, when it is implemented, it is not limited to two or more branches. Capillary tube 3 is a thin tube with a smaller diameter than the aforementioned shunt tube 2 and is connected and split. The number of capillary tubes 3 is also at least two in each group.

Page 7 494222 V. Description of the invention (3) And the sum of the cross-sectional areas of each group should be no less than the cross-sectional area of the shunt tube 2. The purpose of this capillary tube 3 is to make the gaseous refrigerant in the refrigerant passing through it small in diameter. And there is more chance to contact the tube wall to dissipate latent heat and cause complete condensation. Therefore, the material of the capillary 3 is preferably a heat conduction value, such as a copper tube. The confluence tube 4 is similar to the aforementioned diverter tube 2 and communicates with the end of the capillary tube 3. The purpose is to make the refrigerant of each set of capillary tubes 3 be a collection. Therefore, basically, it corresponds to the number of the aforementioned diverter tube 2 as It is good, but not limited to this; and the ends of each of the shunt tubes 4 are connected to the post-sequence tubes 5 respectively.

The rear pipe 5 is also a pipe body, one end of which is connected to the aforementioned confluent pipes 4, and the other end is connected to the expansion valve B with a single pipe diameter output, so that the refrigerant enters the expansion valve B to provide a cold room effect. Please refer to the diagram again. This case strengthens the use of the condensing device. Compared with the traditional and conventional condensing system, this case also strengthens the condensing effect and causes changes in the condensing method. This is different from the conventional method. The following steps are explained, that is, the refrigerant system has a shunting step, a capillary step and a combining step, which are described as follows: (a) the shunting step is to divide the refrigerant in the front pipe 1 through at least two of the shunt pipes 2 as a shunt, As a result, the liquid refrigerant quickly flows into each of the shunt tubes 2 and occupies the space in the shunt tubes 2 first, while the gaseous refrigerant is temporarily blocked out of the shunt tubes 2 and flows into the shunt tubes 2 with opportunity.

(2) The capillary step is to make the refrigerant flowing through the shunt tube 2 to shunt to the capillary 3 with a smaller diameter. A single shunt tube 2 can be equipped with at least two or more capillary 3, so that the flow through Capillary 3 refrigerant, even

Page 8 494222 V. Description of the invention (4) The gaseous refrigerant is doped or hidden, and therefore the chance of contacting the tube wall of the capillary tube 3 is increased, which makes it more likely to cool to a liquid refrigerant. '(C) The confluence step is to combine the refrigerants flowing through the capillary tube 3 to the confluence tube 4. The confluence tubes then converge and flow to the rear tube 5, and then flow to the expansion valve B to provide a cold room effect after expansion. The path of the refrigerant can be shown in the sectional view of Fig. 3. Therefore, through the implementation of this case, the effect obtained is the most significant. There are several points as follows: (1) The refrigerant flowing into the expansion valve B can be completely liquefied after operation. It is known from experiments that the initial time of starting Because there is still a gaseous refrigerant, only after the circulation, the gaseous refrigerant is continuously filtered and condensed for the capillary group. Therefore, after running for a period of time, all liquefaction is formed, that is, the "latent heat" has been effectively eliminated or isolated. . (2) Improve the effect of the cold room. Because the refrigerant flowing into the expansion valve is a liquefier, relatively speaking, the effect of the cold room is enhanced by the lower temperature and higher purity of the liquid refrigerant after heat dissipation. (3) Does not affect the use of electricity and the load of the compressor, especially after the gaseous refrigerant is liquefied, it can reduce the compression load of the compressor, and can further reduce power consumption and stability. The stability is shown in the table of the pressure gauge. The vibration is only about 1 psig, which is rare. The one disclosed in this case is one of the preferred embodiments. Any local change or modification that is derived from the technical ideas of this case and is familiar to those skilled in the art is easy to infer, and it does not depart from the scope of patent rights in this case. To sum up, this case shows that its technical characteristics are quite different from the conventional ones, and its

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494222 Schematic description: Schematic description

Fig. 1 · _ Conventional cold condensation system schematic diagram. Figure 2 The schematic diagram of the cold condensation system in this case. Figure 3 Sectional view of the cold condensing and strengthening device in this case 0 Drawing number description • Front tube 1 Diverter tube 2 Capillary tube 3 Confluent tube 4 Rear tube 5 Strainer 11 Compressor A Expansion valve B Heat dissipation tube C

Claims (1)

494222 VI. Scope of patent application 1. A condensation enhancement device, especially a device that can be installed between a compressor and an expansion valve in a condensation system, comprising: a front tube, one end of which is a heat dissipation tube that can be connected to the condensation system; At least two shunt tubes are respectively connected to the front tube; the tube diameter is smaller than the front tube; several capillary tubes are each formed of two or more thin tubes in a group, and one end is respectively connected to the shunt tube; and the tube diameter is smaller than the shunt tube ; At least a confluence tube, which is connected to the other end of the group of capillaries; a rear tube, one end of which is connected to the other end of the confluence tube, and the other end is available for connection to an expansion valve. 2. The condensation enhancement device as described in item 1 of the scope of patent application, in which a strainer can be set near the diverter pipe of the front pipe. 3. The condensation strengthening device as described in item 1 of the scope of patent application, which is made of thermally conductive metal. 4. Condensation strengthening device as described in item 1 of the scope of the patent application, where the number of shunt tubes and merging tubes is the same, and each corresponds to the same set of capillaries. 5. A condensation strengthening method, which includes the following steps: a shunting step, which divides the refrigerant sent from the heat pipe into at least two strands; a capillary step, which divides each strand of the shunted refrigerant, then shunts and passes through At least two or more capillary groups; a merging step is to combine the refrigerants of the capillary groups to the merging tube, and collect those flowing into the expansion valve. Page 12 494222 6. Scope of patent application 6. The condensation strengthening method described in item 5 of the scope of patent application, wherein a filtering step must be added before the shunting step. 7. Condensation strengthening method as described in item 5 of the scope of patent application, wherein the split and merge are borrowed by the same number of split pipes and merge pipes. Page 13