CN1240267A - Compression chiller - Google Patents
Compression chiller Download PDFInfo
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- CN1240267A CN1240267A CN 99107614 CN99107614A CN1240267A CN 1240267 A CN1240267 A CN 1240267A CN 99107614 CN99107614 CN 99107614 CN 99107614 A CN99107614 A CN 99107614A CN 1240267 A CN1240267 A CN 1240267A
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- condenser
- temperature
- compressor
- heat exchanger
- storage tank
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Abstract
The present invention solves a problem that easily be influenced by changing of refrigerant load and stabilizing the fluctuating waste heat energy. A heat exchanger 2 is connected in series between a compressor 1 and a condenser 3. The heat exchanger 2 is provided with a heat storage tank 2a which is used for temporarily storing unstable waste heat energy and piped in such a way that the heat exchanger 2 can store the waste heat energy from a high-temperature refrigerant passed through the compressor 1. It is preferable to provide a three-way valve 6 which is switched to prevent the refrigerant from flowing to the heat exchanger 2 on the tank 2a side. A temperature sensor 10 which is positioned between the three-way valve 6 and condenser 3 is utilized to forcibly turning on/off (starting/stopping) the fan 3a of the condenser 3 or increasing/decreasing the air blowing function of the fan 3a in steps or proportionally in accordance with the temperature of the refrigerant when the temperature reaches a prescribed value.
Description
The present invention relates to improve compression chiller, be described more specifically, relate to the stable compression device that effectively utilizes waste thermal energy of a kind of energy.
Existing this compression chiller, this device for example shown in Figure 3 has been well-known.The formation of existing cooling device is such, and its kind of refrigeration cycle is connected to form by refrigerant line 5 by compressor 1, condenser 3, evaporimeter 4, wherein compressor 1 refrigerant compressed is directly delivered to condenser 3.
But, above-mentioned existing cooling device will be owing to will directly deliver to condenser 3 by the cold-producing medium of compressor 1, thereby so exist the influence that is vulnerable to the cooling load variation to cause the supply problem of unstable of waste thermal energy, in addition, from the viewpoint of current energy deficiency, press for now to stablize and effectively utilize this waste thermal energy.
Purpose of the present invention is exactly for problem that existed according to the past and people's demand, a kind of heat exchanger that increased between compressor and condenser is provided, by in heat storage tank, carrying out heat exchange, after promptly being stored in unsettled waste thermal energy in the heat storage tank, just can effectively utilize the compression chiller of stable waste thermal energy by mode with accumulation of heat.
In order to solve problems of the prior art and to reach required purpose, compression chiller of the present invention comprises that the compression cooler that is provided with compressor and condenser at least reaches the heat exchanger that in series is arranged between described compressor and the condenser.
In addition, it is better that described heat exchanger carries out heat exchange by the heat storage tank of reservation or revocation heat, and then under the situation that detected temperature ratio is low by the detected temperature of heat accumulating water temperature degree sensor of compressor outlet back by the temperature sensor in the heat storage tank, control switching valve (as triple valve etc.) makes it to be transformed into the heat exchanger that makes cold-producing medium not flow into the heat storage tank side and directly flows into the position of condenser from compressor.
Preferably utilize the temperature sensor that is located between switching valve and the condenser to control like this, reach in the temperature of cold-producing medium under the situation of predetermined temperature, make the power of the out-of-blast or control air-supply of the fan of condenser.
So the compression chiller of the present invention that constitutes in the heat exchanger of arranged in series between described compressor and condenser (more precisely heat storage tank), absorbs waste thermal energy from the high temperature refrigerant that flows through compressor, thereby obtains the accumulation of heat effect.
In addition, described heat exchanger carries out heat exchange by store waste thermal energy in heat storage tank, once heat exchange unsettled waste thermal energy is stored in the heat storage tank.
In addition, under the situation that detected temperature ratio is low by the detected temperature of the temperature sensor of compressor outlet back by the temperature sensor in the heat storage tank, the control switching valve (as triple valve etc.), make it to be transformed into the heat exchanger that makes cold-producing medium not flow into the heat storage tank side and directly flow into the position of condenser from compressor, in order to avoid reduce, thereby can realize insulation by the temperature of accumulation of heat water.
In addition, reach in the temperature that is arranged on the cold-producing medium that temperature sensor records between switching valve and the condenser under the situation of predetermined temperature, the break-make by the control condenser fan or the power of control air-supply reduce the air-supply power of condenser.
Particularly, when the fan of this condenser of control, also can consider situation about playing a role as condenser, can save the energy by control like this at the heat exchanger that the stage of heating and cooling agent is used heat storage tank.
Fig. 1 is the schematic diagram of expression compression chiller of the present invention;
Fig. 2 is the schematic diagram of the example expressing refrigerant temperature in the kind of refrigeration cycle of same compression chiller;
Fig. 3 is the schematic diagram of the compression chiller of prior art.
The embodiment of compression chiller of the present invention is described below with reference to accompanying drawings.Fig. 1 is the schematic diagram of the kind of refrigeration cycle of expression cooling device of the present invention, and this cold-producing medium cycles through refrigerant line 5 rings by compressor 1, heat exchanger 2, condenser 3 and evaporimeter 4 are arranged.
Between compressor 1 and condenser 3, in series be provided with heat exchanger 2.This heat exchanger 2 is provided with the heat storage tank 2a that stores unstable waste thermal energy, and the pipeline of waste thermal energy is stored in configurable utilization by the high temperature refrigerant of compressor 1.
In addition, the label 6 among the figure is a kind of triple valve (switching valves), and it should be able to be according to predefined temperature transition to making cold-producing medium not flow through the heat exchanger 2 of heat storage tank 2a side, and also can control this valve and make cold-producing medium directly flow into condenser ※ 3 from compressor.
In more detail, as shown in Figure 2, when the temperature of the 7 detected accumulation of heat water of the temperature sensor in the heat storage tank 2a was lower than the temperature sensor 9 detected refrigerant temperatures of compressor 1 outlet back, this triple valve 6 was transformed on the position in the heat exchanger 2 that makes cold-producing medium not flow into heat storage tank 2a side automatically.
In addition, when the temperature that the temperature sensor 10 between triple valve 6 and condenser 3 records cold-producing medium reaches predetermined temperature, being forced to property of the fan 3A ground break-make of condenser 3, and according to the power of interim ground of temperature or the function of control air-supply pari passu.
The cooling device of the present invention that constitutes like this, owing between compressor 1 and condenser 3, be provided with heat exchanger 2, thereby can make unsettled waste thermal energy become the waste thermal energy of stabilisation, after accumulation of heat in heat storage tank 2a, just can from this heat storage tank 2a, take out stable hot water, for example can be used for having a bath and the hot water of idle call this waste thermal energy that just effectively utilized.Label 4a among the figure is the fan of evaporimeter 4, and label 8 is temperature sensors, and label 11 is expansion valves.
The present invention is a kind of cooling device, but it is not limited to this embodiment, can freely do various design alterations in the scope of purpose of the present invention, and these changes are included in the scope of the present invention.
The present invention of Gou Chenging is owing in series be provided with heat exchanger between above-mentioned compressor and condenser in a manner described, thereby the waste thermal energy that extracts from the high temperature refrigerant by compressor can be stored in the heat exchanger, therefore can reach the effect that makes unsettled waste thermal energy stabilisation.
In addition, above-mentioned heat exchanger is owing to be stored in unsettled waste thermal energy in the heat storage tank by carry out heat exchange in the heat storage tank of storing waste thermal energy, and can from heat storage tank, extract and therefore can reach the effect that effectively utilizes waste thermal energy for having a bath and the stable hot water of usefulness such as air-conditioning.
Also have, under the situation low by the temperature ratio of the detected accumulation of heat water of the temperature sensor in the heat storage tank detected refrigerant temperature of temperature sensor later by compressor outlet, if refrigerant is switched to the heat exchanger that does not flow to the heat storage tank side by switching valves such as triple valves, control refrigerant flows directly to condenser from compressor, can play that the temperature of accumulation of heat water is not reduced and heat preservation effect.
In addition, be arranged on temperature sensor between switching valve and the condenser, reach under the situation of predetermined temperature in the temperature of cold-producing medium, the break-make by the control condenser fan or the power of control air-supply reduce the air-supply power of condenser.Particularly, when the fan of this condenser of control, also can consider situation about playing a role as condenser, can reach the effect of saving the energy like this by control at the heat exchanger that the stage of heating and cooling agent is used heat storage tank.
So the present invention who constitutes is by increasing a heat exchanger between compressor and condenser, and carries out heat exchange (in other words, unsettled waste thermal energy being stored in the heat storage tank) and effectively utilized stable used heat in heat storage tank.For example can in heat-pump-type cooler and heat pump air conditioner etc., adopt compression chiller, and implement benefit of the present invention and be worth very big.
Claims (4)
1. a compression chiller comprises the compression cooler that is provided with compressor and condenser at least, it is characterized in that in series being provided with between described compressor and condenser heat exchanger
2. according to the compression chiller of claim 1, it is characterized in that described heat exchanger carries out heat exchange in the heat storage tank of storing waste thermal energy.
3. according to the compression chiller of claim 2, it is characterized in that under the situation that detected temperature ratio is low by the detected temperature of the temperature sensor of compressor outlet back by the temperature sensor in the heat storage tank, switching valve such as control triple valve etc. makes it to be transformed into the heat exchanger that makes cold-producing medium not flow into the heat storage tank side and directly flows into the position of condenser from compressor.
4. according to the compression chiller of claim 3, it is characterized in that reaching under the situation of predetermined temperature in the temperature that is arranged on the cold-producing medium of temperature sensor measurement between switching valve and the condenser, the break-make by the control condenser fan or the power of control air-supply reduce the air-supply power of condenser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99107614 CN1240267A (en) | 1998-04-23 | 1999-04-23 | Compression chiller |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP113169/1998 | 1998-04-23 | ||
| CN 99107614 CN1240267A (en) | 1998-04-23 | 1999-04-23 | Compression chiller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1240267A true CN1240267A (en) | 2000-01-05 |
Family
ID=5272843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99107614 Pending CN1240267A (en) | 1998-04-23 | 1999-04-23 | Compression chiller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1240267A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101245773B (en) * | 2008-03-10 | 2010-10-13 | 东莞市东山节能科技有限公司 | Method for producing hot water by air compressor waste heat and water heating machine adopting the method |
| CN107614985A (en) * | 2015-05-26 | 2018-01-19 | 三菱电机株式会社 | Teat pump hot water supply system |
-
1999
- 1999-04-23 CN CN 99107614 patent/CN1240267A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101245773B (en) * | 2008-03-10 | 2010-10-13 | 东莞市东山节能科技有限公司 | Method for producing hot water by air compressor waste heat and water heating machine adopting the method |
| CN107614985A (en) * | 2015-05-26 | 2018-01-19 | 三菱电机株式会社 | Teat pump hot water supply system |
| CN107614985B (en) * | 2015-05-26 | 2020-04-14 | 三菱电机株式会社 | Heat pump hot water supply system |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |