CN212253245U - Water cooling machine with multiple water outlet temperature regulation and control functions - Google Patents
Water cooling machine with multiple water outlet temperature regulation and control functions Download PDFInfo
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- CN212253245U CN212253245U CN202021012350.7U CN202021012350U CN212253245U CN 212253245 U CN212253245 U CN 212253245U CN 202021012350 U CN202021012350 U CN 202021012350U CN 212253245 U CN212253245 U CN 212253245U
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Abstract
The utility model relates to a water chiller with multiple water outlet temperature regulation controls, which is provided with an energy conversion unit, a refrigeration system and a cold water system, wherein the refrigeration system provides a refrigerant for energy exchange; the cold water system is provided with a chilled water generating end and a working end which are communicated in a circulating way, the chilled water generating end is connected with the energy conversion unit through a pipeline, and the energy exchange between water flowing through the energy conversion unit and a refrigerant provided by the refrigerating system is realized; the working end of the cold water system is provided with a first working branch and N second working branches, the second working branches are connected with the first working branch in parallel, the first working branch is directly connected with a first load, and the second working branches are connected with a second load through a temperature regulation control module. The utility model discloses can satisfy the temperature demand of different loads, also influence mutually, the load of different temperatures only uses this cold water machine can satisfy multiple temperature, and it is accurate to control the temperature, and it is more convenient to use, need not additionally use many cold water machines to control respectively, reduction in production cost.
Description
Technical Field
The utility model belongs to the technical field of the freezing technique of industry and specifically relates to a be used for mould refrigerated cold water machine.
Background
At present, a water chiller (including an air-cooled water chiller and a water-cooled water chiller) for cooling a mold generally only has one outlet water temperature, and after the temperature of the water chiller is set, a system automatically adjusts according to the temperature and tends to be stable at a certain temperature, and only has one temperature; however, when one water chiller is used for a plurality of loads and the temperatures required by the plurality of loads are different, at the moment, one water chiller cannot meet the requirements, only a plurality of water chillers can be used, each water chiller is set to have different temperatures so as to meet the requirements of different loads, the temperature control is single, the control of various temperatures cannot be realized, and the requirements of the current loads cannot be met.
Disclosure of Invention
An object of the utility model is to provide a multiple cooling water machine of leaving water temperature regulation control solves above-mentioned technical problem well, realizes that a cooling water machine can satisfy multiple temperature and use, satisfies the temperature demand of different loads.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the water chiller of multiple leaving water temperature regulation control, it has:
the energy conversion unit is used for converting the energy,
a refrigeration system providing a refrigerant for energy exchange;
the cold water system is provided with a chilled water generating end and a working end which are communicated in a circulating way, the chilled water generating end is connected with the energy conversion unit through a pipeline, and the energy exchange between water flowing through the energy conversion unit and a refrigerant provided by the refrigerating system is realized; the working end of the cold water system is provided with a first working branch and N second working branches, the second working branches are connected with the first working branch in parallel, and N is a natural number greater than or equal to 1; the first working branch is directly connected with a first load, the second working branch is connected with a second load through a temperature regulation control module, and the water temperature required by the second load is higher than that required by the first load; the temperature regulation control module is provided with a proportional-integral electric three-way valve, a proportional-integral controller and a temperature sensor, the proportional-integral electric three-way valve is embedded at the water inlet end of the second load, the proportional-integral electric three-way valve controls the flow of the water inlet end of the second load, the temperature sensor is embedded between the proportional-integral electric three-way valve and the second load, the temperature sensor detects the temperature of water entering the second load, the temperature sensor transmits a detected temperature signal to the proportional-integral controller, and the proportional-integral controller controls the proportional-integral electric three-way valve to work; and a bypass loop is arranged between the water outlet end of the second load and the proportional-integral electric three-way valve for connection, and a booster water pump and a one-way valve are arranged on the bypass loop, so that the water outlet end of the second load flows back to the proportional-integral electric three-way valve and is mixed with chilled water supplied to the second load by the second working branch.
In the above scheme, the energy conversion unit is an evaporator, the refrigeration system is provided with a compressor, a condenser and a throttling device, and the output end of the throttling device is connected with the energy conversion unit; the refrigerant returns to the compressor again after passing through the energy conversion unit, is compressed into a high-temperature high-pressure refrigerant by the compressor and then enters the condenser, forms a high-pressure liquid refrigerant after heat exchange in the condenser, forms a low-temperature low-pressure liquid refrigerant after being throttled and reduced in pressure by the throttling device, enters the energy conversion unit, and is used for carrying out energy conversion with water provided by a cold water system to produce chilled water, so that the refrigeration cycle is realized.
In the scheme, a water storage device and a water pump are arranged between the chilled water generating end and the working end of the cold water system, and the output end of the water pump is connected with the first working branch and the second working branch.
In the above solution, the condenser exchanges heat with the refrigerant through air or water.
The utility model discloses a cooling water system is equipped with first work branch road and N second work branch road, different work branch roads are used for different loads, and the second work branch road increases to have temperature regulation control module, constantly through the opening degree of adjusting proportion integral electric three-way valve, make the other water flow confluence of part of low-temperature water and load export, the temperature is stabilized to required temperature, can satisfy the temperature demand of different loads, also influence each other, the load of different temperatures, only use this cold water machine can satisfy multiple temperature, it is accurate to control the temperature, it is more convenient to use, do not need additionally to use many cold water machines to control respectively, and therefore, the production cost is reduced, promote the practicality of cold water machine, and the industrial utilization is met.
Description of the drawings:
fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural diagram of two embodiments of the present invention.
The specific implementation mode is as follows:
the conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1 and 2, the present invention is a schematic structural diagram of a preferred embodiment of the present invention, and the present invention relates to a multiple water temperature regulation and control water chiller, which includes an energy conversion unit 10, a refrigeration system 20 and a water cooling system 30. The refrigeration system 20 provides a refrigerant for energy exchange; the cold water system 30 has a chilled water generating end and a working end which are in circulation communication, the chilled water generating end is connected with the energy conversion unit 10 through a pipeline, and water flows through the energy conversion unit 10 and exchanges energy with the refrigerant provided by the refrigeration system 20, so that chilled water with a set temperature is formed. The working end of the cold water system 30 is provided with a first working branch 31 and N second working branches 32, the second working branches 32 are connected with the first working branch 31 in parallel, N is a natural number greater than or equal to 1, and is set according to actual needs. The first working branch 31 is directly connected to the first load 50, and the temperature of the water required by the first load 50 is the temperature of the chilled water in the chilled water system 30. The second working branch 32 is connected with a second load 60 through a temperature regulation control module, and the water temperature required by the load of the second load 60 is higher than that required by the load of the first load 50; the temperature regulation control module is provided with a proportional-integral electric three-way valve 41, a proportional-integral controller 42 and a temperature sensor 43, the proportional-integral electric three-way valve 41 is embedded at the water inlet end of the second load 60, the proportional-integral electric three-way valve 41 controls the flow of the water inlet end of the second load 60, the temperature sensor 43 is embedded between the proportional-integral electric three-way valve 41 and the second load 60, the temperature sensor 43 detects the temperature of water entering the second load 60, the temperature sensor 43 transmits a detected temperature signal to the proportional-integral controller 42, and the proportional-integral controller 42 controls the proportional-integral electric three-way valve 41 to work; a bypass loop 70 is arranged between the water outlet end of the second load 60 and the proportional-integral electric three-way valve 41 for connection, and a booster water pump 71 and a one-way valve 72 are arranged on the bypass loop 70, so that the water outlet end of the second load 60 flows back to the proportional-integral electric three-way valve 41 and is mixed with chilled water supplied to the second load 60 by the second working branch 32, and the temperature of the chilled water supplied to the second load 60 is adjusted, thereby meeting the temperature requirements of different loads.
Referring to fig. 1 and 2, in the present embodiment, the energy conversion unit 10 is an evaporator, the refrigeration system 20 has a compressor 21, a condenser 22 and a throttling device 23, and an output end of the throttling device 23 is connected to the energy conversion unit 10; the refrigerant returns to the compressor 21 again after passing through the energy conversion unit 10, is compressed into a high-temperature and high-pressure refrigerant by the compressor 21, enters the condenser 22, is subjected to heat exchange in the condenser 22 to form a high-pressure liquid refrigerant, is throttled and depressurized by the throttling device 23 to form a low-temperature and low-pressure liquid refrigerant, enters the energy conversion unit 10, and is used for performing energy conversion with water provided by the cold water system 30 to produce chilled water, so that the refrigeration cycle is realized. Referring to fig. 1, the condenser 22 of the present embodiment exchanges heat with the refrigerant through water, while the condenser 22 of the present embodiment exchanges heat with the refrigerant through air as shown in fig. 2, and the corresponding condenser is selected according to actual needs.
Flow of the refrigeration system: the low-temperature low-pressure refrigerant gas returned from the energy conversion unit 10 is compressed into a high-temperature high-pressure refrigerant by a compressor and then enters a condenser, the high-temperature high-pressure refrigerant is cooled in the condenser through heat exchange with air or water to form a high-pressure liquid refrigerant, the high-pressure liquid refrigerant is throttled and reduced in pressure by a throttling device and then enters the energy conversion unit 10, the low-temperature low-pressure refrigerant is subjected to heat exchange with water provided by a cold water system to form low-temperature low-pressure gas, and the refrigerant returns to the compressor again, so that the refrigeration cycle.
Referring to fig. 1 and 2, in the embodiment, a water storage device 33 and a water pump 34 are disposed between a chilled water generating end and a working end of the cold water system 30, and an output end of the water pump 34 is connected to the first working branch 31 and the second working branch 32.
Flow of a cold water system: the chilled water from the energy conversion unit 10 flows into the water storage device 33, and is pumped by the water pump 34 to the first working branch 31 and the N second working branches 32 for use by a plurality of loads, the number and the lowest service temperature of the loads are determined, the water temperature in the water storage device 33 is set to be the lowest service temperature of the loads, the water pumped by the water pump 34 is divided into a pipeline to each load, and the first loads 50 connected with the first working branch 31 are set to be the same as the set temperature of the water chiller and can be directly used without changing. In a different second working branch 32, the temperature required by the corresponding load is adjusted by the temperature adjusting control module, the temperature sensor detects the temperature of the water inlet end of the second load, the temperature sensor transmits the detected temperature signal to the proportional-integral controller, the proportional-integral controller compares the detection value of the temperature sensor with a set value, and controls the proportional-integral electric three-way valve accordingly, in this embodiment, the proportional-integral electric three-way valve has A, B, C three ports, the port a is connected with the bypass loop 70, the port B is connected with the water pump 34, and the port C is connected with the second load. When the detected value obtained by comparison of the proportional integral controller is greater than the set value, the proportional integral controller controls the proportion of the flow in the direction of A, B valve port of the proportional integral electric three-way valve, increases the flow in the direction of the flow in the B valve port, decreases the flow in the direction of the flow in the A valve port, increases the flow of the water in the bypass circuit 70 at the moment, sequentially passes through the booster water pump 71 and the one-way valve 72, increases the pressure of the flow, prevents the water from flowing backwards, enables the water flowing back in the bypass circuit 70 to flow towards the A valve port, changes the proportion of the water amount of the confluence through the adjustment of the opening degree of the proportional integral electric. Through continuous comparison and continuous output of signals, the opening degree of the proportional-integral electric three-way valve is controlled and adjusted, and finally the detected temperature is kept within a set temperature range, so that the temperature requirement of the corresponding load can be obtained.
The utility model discloses a cooling water system is equipped with first work branch road and N second work branch road, different work branch roads are used for different loads, and the second work branch road increases to have temperature regulation control module, constantly through the opening degree of adjusting proportion integral electric three-way valve, make the other water flow confluence of part of low-temperature water and load export, the temperature is stabilized to required temperature, can satisfy the temperature demand of different loads, also influence each other, the load of different temperatures, only use this cold water machine can satisfy multiple temperature, it is accurate to control the temperature, it is more convenient to use, do not need additionally to use many cold water machines to control respectively, and therefore, the production cost is reduced, promote the practicality of cold water machine, and the industrial utilization is met.
Although the preferred embodiments of the present invention have been described in connection with the accompanying drawings, the present invention should not be limited to the exact construction and operation as described and illustrated, and many equivalent modifications and variations of the above-described embodiments may be made by logical analysis, reasoning or limited experimentation by those skilled in the art without departing from the spirit and scope of the present invention, which should fall within the scope of the claims.
Claims (4)
1. Various water temperature regulation control's cold water machine which characterized in that: has the advantages of
An energy conversion unit (10),
a refrigeration system (20), the refrigeration system (20) providing a refrigerant for energy exchange;
the cold water system (30), the cold water system (30) has refrigerated water that circulates and communicates and produces end and work end, produce the end and connect the energy conversion unit (10) through the pipeline in the refrigerated water, realize the water flows through the energy conversion unit (10) and carries on the energy exchange with the refrigerant that the refrigerating system (20) provides; a first working branch (31) and N second working branches (32) are arranged at the working end of the cold water system (30), the second working branches (32) are connected with the first working branch (31) in parallel, and N is a natural number greater than or equal to 1; the first working branch (31) is directly connected with a first load (50), the second working branch (32) is connected with a second load (60) through a temperature regulation control module, and the water temperature required by the load of the second load (60) is higher than that required by the load of the first load (50); the temperature regulation control module is provided with a proportional-integral electric three-way valve (41), a proportional-integral controller (42) and a temperature sensor (43), the proportional-integral electric three-way valve (41) is embedded at the water inlet end of the second load (60), the proportional-integral electric three-way valve (41) controls the flow of the water inlet end of the second load (60), the temperature sensor (43) is embedded between the proportional-integral electric three-way valve (41) and the second load (60), the temperature sensor (43) detects the temperature of water entering the second load (60), the temperature sensor (43) transmits a detected temperature signal to the proportional-integral controller (42), and the proportional-integral controller (42) controls the proportional-integral electric three-way valve (41) to work; and a bypass loop (70) is arranged between the water outlet end of the second load (60) and the proportional-integral electric three-way valve (41) for connection, and a booster water pump (71) and a one-way valve (72) are arranged on the bypass loop (70), so that the water outlet end of the second load (60) flows back to the proportional-integral electric three-way valve (41) and is mixed with chilled water supplied to the second load (60) by the second working branch (32).
2. The multiple outlet water temperature regulation and control water chiller according to claim 1, wherein: the energy conversion unit (10) is an evaporator, the refrigeration system (20) is provided with a compressor (21), a condenser (22) and a throttling device (23), and the output end of the throttling device (23) is connected with the energy conversion unit (10); the refrigerant returns to the compressor (21) again after passing through the energy conversion unit (10), is compressed into a high-temperature high-pressure refrigerant by the compressor (21), enters the condenser (22), is subjected to heat exchange in the condenser (22) to form a high-pressure liquid refrigerant, is throttled and depressurized by the throttling device (23), forms a low-temperature low-pressure liquid refrigerant, enters the energy conversion unit (10), and is used for performing energy conversion with water provided by the cold water system (30) to produce chilled water, so that the refrigeration cycle is realized.
3. The multiple outlet water temperature regulation and control water chiller according to claim 1, wherein: a water storage device (33) and a water pump (34) are arranged between a chilled water generating end and a working end of the cold water system (30), and an output end of the water pump (34) is connected with a first working branch (31) and a second working branch (32).
4. The multiple outlet water temperature regulation and control water chiller according to claim 2, wherein: the condenser (22) exchanges heat with the refrigerant through air or water.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021012350.7U CN212253245U (en) | 2020-06-05 | 2020-06-05 | Water cooling machine with multiple water outlet temperature regulation and control functions |
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| CN202021012350.7U CN212253245U (en) | 2020-06-05 | 2020-06-05 | Water cooling machine with multiple water outlet temperature regulation and control functions |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114963596A (en) * | 2021-12-30 | 2022-08-30 | 重庆阿泰可科技股份有限公司 | Refrigerating system, damp-heat test chamber and control method of damp-heat test chamber |
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2020
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114963596A (en) * | 2021-12-30 | 2022-08-30 | 重庆阿泰可科技股份有限公司 | Refrigerating system, damp-heat test chamber and control method of damp-heat test chamber |
| CN114963596B (en) * | 2021-12-30 | 2023-09-26 | 重庆阿泰可科技股份有限公司 | Refrigerating system, damp-heat test box and control method of damp-heat test box |
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