CN210804130U - Cloud chamber multi-water-tank temperature control system - Google Patents
Cloud chamber multi-water-tank temperature control system Download PDFInfo
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- CN210804130U CN210804130U CN201921629795.7U CN201921629795U CN210804130U CN 210804130 U CN210804130 U CN 210804130U CN 201921629795 U CN201921629795 U CN 201921629795U CN 210804130 U CN210804130 U CN 210804130U
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Abstract
The utility model belongs to the technical field of artifical weather influence, a many water tanks temperature control system of cloud room is disclosed, including cooling system, refrigerating unit, unit water tank, electronic proportional control valve, the temperature regulating water tank is first temperature regulating water tank, second temperature regulating water tank, third temperature regulating water tank by bottom to top in proper order according to test jar layering accuse temperature requirement, adopts the tee bend proportional control valve that corresponds to adjust the ratio of each layer two strands of secondary refrigerant that come from unit water tank and temperature regulating water tank and then obtain the layering accuse temperature of test jar body wall. The temperature control range is wide and can be adjusted at will within the range of-40 to 25 ℃, the uniformity of the temperature in the tank is controlled to be +/-0.2 ℃ by the wall surface jacket temperature control, the temperature control experiment with inconsistent upper and lower temperatures can be carried out by the layered independent jacket temperature control, the design of the temperature control system is reasonable, the temperature control method is simple, and various experiment requirements can be met.
Description
Technical Field
The utility model relates to an artificial influence weather technical field, concretely relates to many water tanks temperature control system of cloud room.
Background
The cloud chamber is basic equipment for researching cloud physics and artificial influence weather, and can simulate key links of natural cloud and precipitation, including processes of aerosol particle hygroscopicity increase, activation, condensation increase and the like; direct and indirect climate effects of aerosols were studied; simulating the formation of supercooled water in the cloud and the concrete performance of the Beijilong process under various natural conditions; the method simulates and researches hot problems (haze, visibility, frost, freezing rain and the like) of social attention such as cloud, rainfall, atmospheric environment and the like, and develops a targeted weather experiment with artificial influence.
At present, most domestic cloud rooms can only carry out experimental tests under a single temperature condition, and the experimental type and performance are limited. Therefore, experimental devices with inconsistent temperatures need to be designed, and a corresponding layered temperature control system needs to be designed.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model provides a many water tanks temperature control system of cloud room can realize the inconsistent accuse temperature experiment of temperature about the experimental jar.
The utility model discloses a realize through following technical scheme:
a cloud chamber multi-water tank temperature control system comprises a test tank, a cooling system, a refrigerating unit and a unit water tank;
the test tank is divided into a plurality of layers from bottom to top, each layer is correspondingly provided with a jacket and a group of temperature control devices, and each temperature control device comprises a secondary refrigerant water pump, a temperature measuring device, a proportion regulating valve and a temperature regulating water tank;
the cooling system is connected with the refrigerating unit, and the refrigerating unit is connected with the unit water tank; the water outlet of the unit water tank is connected with the water inlet of each layer of secondary refrigerant water pump, the water outlet of each secondary refrigerant water pump is connected with the water inlet of the jacket of the corresponding layer, and the water outlet of each jacket is connected with the water inlet of the unit water tank; the water inlet of each temperature-regulating water tank is connected with the water outlet of the jacket of the corresponding layer section, the first water outlet of each temperature-regulating water tank is connected with the water inlet of the secondary refrigerant water pump of the corresponding layer section, and the second water outlet of each temperature-regulating water tank is respectively connected with the water inlet of the unit water tank;
each temperature measuring device is used for measuring the temperature of the corresponding layer section, and each proportion regulating valve is used for regulating the proportion of the two secondary refrigerants entering the unit water tank and the temperature regulating water tank of the corresponding layer section and regulating the proportion of the two secondary refrigerants entering the unit water tank and the temperature regulating water tank from the jacket water outlet of the corresponding layer section.
Preferably, the test tank is divided into three layers from bottom to top, and the first layer is correspondingly provided with a first jacket, a first secondary refrigerant water pump, a first temperature regulating water tank, a first temperature measuring device, a first water inlet proportion regulating valve and a first water return proportion regulating valve;
the water outlet of the unit water tank is connected with the water inlet of the first jacket through a first secondary refrigerant water pump, and the water outlet of the first jacket is connected with the water inlet of the unit water tank; the water inlet of the first temperature-regulating water tank is connected with the water outlet of the first jacket, the first water outlet of the first temperature-regulating water tank is connected with the water inlet of the first secondary refrigerant water pump, the second water outlet of the first temperature-regulating water tank is connected with the water inlet of the unit water tank, the first water inlet proportion regulating valve is used for regulating the proportion of the two secondary refrigerants entering the unit water tank of the first secondary refrigerant water pump and the first temperature-regulating water tank, and the first return proportion regulating valve is used for regulating the proportion of the two secondary refrigerants entering the unit water tank and the first temperature-regulating water tank from the water outlet of the first jacket;
the structural arrangement of the second layer section and the third layer section is the same as that of the first layer section.
Preferably, the proportional control valve is a three-way proportional control valve, the water outlet of the unit water tank, the first water outlet of the temperature-regulating water tank and the water inlet of the secondary refrigerant water pump are connected through a three-way proportional control valve, and the water outlet of the jacket, the water inlet of the temperature-regulating water tank and the water inlet of the unit water tank are communicated through another three-way proportional control valve.
Preferably, the temperature measuring device is a temperature sensor, the proportional control valve is an electric three-way proportional control valve, the water outlet of the unit water tank, the first water outlet of the temperature-regulating water tank and the water inlet of the secondary refrigerant water pump are connected through one electric three-way proportional control valve, and the water outlet of the jacket, the water inlet of the temperature-regulating water tank and the water inlet of the unit water tank are communicated through the other electric three-way proportional control valve.
And further, the temperature control system also comprises a control system, the temperature information measured by each temperature sensor is transmitted to the control system, the control system compares the received temperature information with the preset temperature value of the corresponding layer section, and adjusts the corresponding electric three-way proportional control valve according to the comparison result, so that the temperature of each layer section is consistent with the preset temperature value.
Preferably, the bottom of the test tank is provided with an axial flow fan.
Compared with the prior art, the utility model discloses following profitable technological effect has:
the utility model discloses an experimental jar falls into a plurality of intervals, and every interval sets up temperature control device respectively, and through the proportion of the two strands of secondary refrigerant of unit water tank and the temperature regulating water tank that the regulation got into each interval, can adjust the temperature in corresponding interval, each layer section is adjusted respectively to can realize the inconsistent regulation of each layer section temperature, thereby the experimental jar not only can be the accuse temperature experiment of temperature unanimity, still can carry out the inconsistent accuse temperature experiment of upper and lower temperature as required. The utility model discloses can realize that the test jar wall face is even with inhomogeneous layering accuse temperature. The temperature in the test tank can be controlled and maintained at-40-25 ℃ by controlling the jacket of the cloud laboratory test tank, the uniformity of the temperature in the tank is controlled to be +/-0.2 ℃ by controlling the temperature of the wall surface, and the temperature control experiment with inconsistent upper and lower temperatures can be carried out by controlling the temperature of the layered independent jacket.
Furthermore, a three-way proportional control valve is adopted, only one valve is needed to adjust one proportion, and the proportion is simpler than the proportion adjusted by two valves.
Furthermore, a temperature sensor and an electric three-way proportional control valve are adopted, the temperature can be monitored and the proportion can be regulated through a control system, and the automation degree is higher.
Further, the test tank bottom is provided with axial fan, when adopting the utility model discloses a when the system carries out the unanimous accuse temperature experiment of temperature, through axial fan, can cause the forced convection of air in the test tank jar at the cooling in-process, make the temperature more even.
Drawings
FIG. 1 is a schematic diagram of a cloud chamber double-tank multi-water-tank temperature control system;
in the figure: 1-a first temperature-adjusting water tank, 11-a first secondary refrigerant circulating water pump, 14-a first water inlet proportion adjusting valve, 15-a first temperature measuring device, 2-a second temperature-adjusting water tank, 21-a second secondary refrigerant circulating water pump, 24-a second water inlet proportion adjusting valve, 25-a second measuring device, 3-a third temperature-adjusting water tank, 31-a third secondary refrigerant circulating water pump, 34-a third water inlet proportion adjusting valve, 35-a third measuring device, 4-a unit water tank, 5-a refrigerating unit, 6-a cooling system and 7-an axial flow fan.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings, which are provided for purposes of illustration and not limitation.
The utility model discloses a layering test jar, test jar divide into a plurality of intervals from bottom to top, and every interval is provided with one respectively and presss from both sides the cover, and every presss from both sides the cover and sets up independent confession return water and imports and exports to can be to every layer controlled temperature respectively.
In the embodiment, the test tank is divided into three layers from bottom to top, and the jacket is divided into three jackets from top to bottom, namely a first jacket, a second jacket and a third jacket. In order to control the temperature in the test tank in a layered mode, the following cloud chamber multi-water-tank layered temperature control system is designed.
As shown in figure 1, many water tanks layering temperature control system of cloud room, including cooling system 6, refrigerating unit 5, unit water tank 4, secondary refrigerant water pump, temperature measuring device, proportional control valve and thermoregulation water tank. According to the requirement of the test tank for layered temperature control, three temperature-regulating water tanks are arranged, namely a first temperature-regulating water tank 1, a second temperature-regulating water tank 2 and a third temperature-regulating water tank 3; three secondary refrigerant water pumps are arranged, namely a first secondary refrigerant water pump 11, a second secondary refrigerant water pump 21 and a third secondary refrigerant water pump 31; the temperature measuring devices are three, namely a first temperature measuring device 15, a second temperature measuring device 25 and a third temperature measuring device 35, and are respectively used for measuring the temperatures of the first layer test tank, the second layer test tank and the third layer test tank so as to meet the control requirement on the temperatures. The proportional control valves are provided with six groups, namely a first water inlet proportional control valve 14, a second water inlet proportional control valve 24, a third water inlet proportional control valve 34, a first return proportional control valve, a second return proportional control valve and a third return proportional control valve.
The cooling system 6 is used for cooling the refrigerating unit 5 and comprises a cooling tower and a cooling water pump, one end of the cooling water pump is connected with the cooling tower, and the other end of the cooling water pump is connected with the refrigerating unit 5. The refrigerating unit 5 is connected with the unit water tank 4 through a chilled water pump. The water outlet of the unit water tank 4 is connected with the water inlets of the first secondary refrigerant water pump 11, the second secondary refrigerant water pump 21 and the third secondary refrigerant water pump 31 respectively, the water outlet of the first secondary refrigerant water pump 11 is connected with the water inlet of the first jacket, the water outlet of the second secondary refrigerant water pump 21 is connected with the water inlet of the second jacket, and the water outlet of the third secondary refrigerant water pump 31 is connected with the water inlet of the third jacket. The water outlets of the first jacket, the second jacket and the third jacket are respectively connected with the water inlet of the unit water tank 4.
The water inlet of the first temperature-regulating water tank 1 is connected with the water outlet of the first jacket, the first water outlet of the first temperature-regulating water tank 1 is connected with the water inlet of the first secondary refrigerant water pump 11, and the second water outlet of the first temperature-regulating water tank 1 is connected with the water inlet of the unit water tank 4. The water outlet of the second temperature-regulating water tank 2 is connected with the water outlet of the second jacket, the first water outlet of the second temperature-regulating water tank 2 is connected with the water inlet of the second secondary refrigerant water pump 21, and the second water outlet of the second temperature-regulating water tank 2 is connected with the water inlet of the unit water tank 4. The water inlet of the third temperature-regulating water tank 3 is connected with the water outlet of the third jacket, the first water outlet of the third temperature-regulating water tank 3 is connected with the first water inlet of the third secondary refrigerant water pump 31, and the second water outlet of the third temperature-regulating water tank 3 is connected with the water inlet of the unit water tank 4.
The first water inlet proportion regulating valve 14 is used for regulating the proportion of the two secondary refrigerants entering the unit water tank 4 of the first secondary refrigerant water pump 11 and the first temperature regulating water tank 1, the second water inlet proportion regulating valve 24 is used for regulating the proportion of the two secondary refrigerants entering the unit water tank 4 of the second secondary refrigerant water pump 21 and the second temperature regulating water tank 2, and the third water inlet proportion regulating valve 34 is used for regulating the proportion of the two secondary refrigerants entering the unit water tank 4 of the third secondary refrigerant water pump 31 and the third temperature regulating water tank 3.
The first water return proportion regulating valve is used for regulating the proportion of two strands of secondary refrigerants which enter the unit water tank 4 and the first temperature regulating water tank 1 from the water outlet of the first jacket, the second water return proportion regulating valve is used for regulating the proportion of two strands of secondary refrigerants which enter the unit water tank 4 and the second temperature regulating water tank 2 from the water outlet of the second jacket, and the third water return proportion regulating valve is used for regulating the proportion of two strands of secondary refrigerants which enter the unit water tank 4 and the third temperature regulating water tank 3 from the water outlet of the third jacket.
The temperature measuring device adopts a temperature sensor, the proportional control valve adopts an electric three-way proportional control valve, and the electric three-way proportional control valve comprises a first water inlet electric three-way proportional control valve, a second water inlet electric three-way proportional control valve, a third water inlet electric three-way proportional control valve, a first water return electric three-way proportional control valve, a second water return electric three-way proportional control valve and a third water return electric three-way proportional control valve. Taking the first layer as an example, the water outlet of the unit water tank 4, the first water outlet of the first temperature-regulating water tank 1 and the water inlet of the first coolant pump 11 are communicated through a first water inlet electric three-way proportional regulating valve. The water outlet of the first jacket, the water inlet of the first temperature-regulating water tank 1 and the water inlet of the unit water tank 4 are communicated through a first water return electric three-way proportional regulating valve. The connection mode of the proportional control valves of the second layer section and the third layer section is the same as that of the first layer section.
The utility model discloses layering accuse temperature principle: the refrigeration system was configured with 4 independent coolant tanks: the temperature control device comprises a unit water tank 4, a first temperature-regulating water tank 1, a second temperature-regulating water tank 2 and a third temperature-regulating water tank 3, wherein the temperature-regulating water tanks respectively provide cooling capacity for corresponding layers of the test tank body, and corresponding proportional regulating valves are adopted to regulate the proportion of two secondary refrigerants from the unit water tank 4 and the temperature-regulating water tanks in each layer so as to regulate the temperature of the secondary refrigerants, so that the layered temperature control of the wall surface of the test tank body is obtained.
The utility model discloses a many water tanks layering control by temperature change method of cloud room, including following step:
1. after the temperature is set, starting a specified number of refrigerating units 5 according to the setting, and gradually reducing the temperature of the secondary refrigerant of the unit water tank 4;
2. simultaneously starting a first secondary refrigerant circulating water pump 11, a second secondary refrigerant circulating water pump 21 and a third secondary refrigerant circulating water pump 31 to enable secondary refrigerant to circulate in each layer of jacket of the test tank, so that the temperature of the tank body of the test tank and the temperature of the secondary refrigerant are synchronously reduced;
3. after the temperature is reduced to be close to the designated value of the air temperature in the tank, the ratio of two secondary refrigerants from the unit water tank 4 and the temperature regulating water tank at each layer is controlled by controlling a ratio regulating valve so as to control the inlet water temperature at each layer, and then the feedback signals of the temperature sensors at each layer are gradually regulated until the set temperature point of each layer is reached;
4. and after the set temperature of each layer is reached, the flow and the temperature of the refrigerating medium of each layer are adjusted according to the temperature feedback, so that the constant temperature in the test tank is maintained.
And a control system can be further arranged, the temperature information measured by each temperature sensor is transmitted to the control system, the control system compares the received temperature information with the preset temperature value of the corresponding layer section, and adjusts the corresponding electric three-way proportional control valve according to the comparison result, so that the temperature of each layer section is consistent with the preset temperature value.
If uniform temperature control is required, all secondary refrigerant water pumps directly pump the secondary refrigerant of the unit water tank 4 into the jacket circulation channel, and the outlet water of the corresponding temperature-adjusting water tanks of all layers is closed to realize uniform wall temperature control. In order to improve the uniformity of the air temperature in the test tank, the small axial flow fan is arranged at the bottom of the test tank body, and forced convection of the air in the test tank can be caused in the cooling process.
Compared with the prior art, the utility model discloses following profitable technological effect has at least: the double-tank cloud chamber temperature control range is wide and can be adjusted at will within the range of minus 40 ℃ to 25 ℃, the uniformity of the temperature in the tank is controlled within plus or minus 0.2 ℃ by controlling the temperature of the wall surface jacket, the temperature control experiment with inconsistent upper and lower temperatures can be carried out by controlling the temperature of the layered independent jacket, the design of the temperature control system is reasonable, the temperature control method is simple, and various experiment requirements can be met.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention is subject to the protection scope of the claims.
Claims (6)
1. A cloud chamber multi-water tank temperature control system is characterized by comprising a test tank, a cooling system (6), a refrigerating unit (5) and a unit water tank (4);
the test tank is divided into a plurality of layers from bottom to top, each layer is correspondingly provided with a jacket and a group of temperature control devices, and each temperature control device comprises a secondary refrigerant water pump, a temperature measuring device, a proportion regulating valve and a temperature regulating water tank;
the cooling system (6) is connected with the refrigerating unit (5), and the refrigerating unit (5) is connected with the unit water tank (4); the water outlet of the unit water tank (4) is respectively connected with the water inlet of each layer section of secondary refrigerant water pump, the water outlet of each secondary refrigerant water pump is connected with the water inlet of the jacket of the corresponding layer section, and the water outlet of each jacket is connected with the water inlet of the unit water tank (4); the water inlet of each temperature-regulating water tank is connected with the water outlet of the jacket of the corresponding layer section, the first water outlet of each temperature-regulating water tank is connected with the water inlet of the secondary refrigerant water pump of the corresponding layer section, and the second water outlet of each temperature-regulating water tank is respectively connected with the water inlet of the unit water tank (4);
each temperature measuring device is used for measuring the temperature of the corresponding layer section, and each proportion regulating valve is used for regulating the proportion of the two secondary refrigerants entering the unit water tank (4) and the temperature regulating water tank of the corresponding layer section and regulating the proportion of the two secondary refrigerants entering the unit water tank (4) and the temperature regulating water tank from the jacket water outlet of the corresponding layer section.
2. The cloud room multi-water-tank temperature control system according to claim 1, wherein the test tank is divided into three layers from bottom to top, and a first jacket, a first secondary refrigerant water pump (11), a first temperature-regulating water tank (1), a first temperature measuring device (15), a first water inlet proportion regulating valve (14) and a first water return proportion regulating valve are correspondingly arranged on the first layer;
a water outlet of the unit water tank (4) is connected with a water inlet of a first jacket through a first secondary refrigerant water pump (11), and a water outlet of the first jacket is connected with a water inlet of the unit water tank (4); the water inlet of the first temperature-regulating water tank (1) is connected with the water outlet of the first jacket, the first water outlet of the first temperature-regulating water tank (1) is connected with the water inlet of the first secondary refrigerant water pump (11), the second water outlet of the first temperature-regulating water tank (1) is connected with the water inlet of the unit water tank (4), the first water inlet proportion regulating valve (14) is used for regulating the proportion of the two secondary refrigerants entering the unit water tank (4) of the first secondary refrigerant water pump (11) and the first temperature-regulating water tank (1), and the first return water proportion regulating valve is used for regulating the proportion of the two secondary refrigerants entering the unit water tank (4) and the first temperature-regulating water tank (1) from the water outlet of the first jacket;
the structural arrangement of the second layer section and the third layer section is the same as that of the first layer section.
3. The cloud chamber multi-water-tank temperature control system according to claim 1, wherein the proportional control valve is a three-way proportional control valve, the water outlet of the unit water tank (4), the first water outlet of the temperature-regulating water tank and the water inlet of the coolant pump are connected through a three-way proportional control valve, and the water outlet of the jacket, the water inlet of the temperature-regulating water tank and the water inlet of the unit water tank are communicated through another three-way proportional control valve.
4. The cloud chamber multi-water-tank temperature control system according to claim 1, wherein the temperature measuring device is a temperature sensor, the proportional control valve is an electric three-way proportional control valve, the water outlet of the unit water tank (4), the first water outlet of the temperature-regulating water tank and the water inlet of the secondary refrigerant water pump are connected through one electric three-way proportional control valve, and the water outlet of the jacket, the water inlet of the temperature-regulating water tank and the water inlet of the unit water tank are communicated through another electric three-way proportional control valve.
5. The cloud chamber multi-water-tank temperature control system according to claim 4, further comprising a control system, wherein temperature information measured by each temperature sensor is transmitted to the control system, the control system compares the received temperature information with a preset temperature value of the corresponding layer section, and adjusts the corresponding electric three-way proportional control valve according to the comparison result, so that the temperature of each layer section is consistent with the preset temperature value.
6. The cloud chamber multi-water-tank temperature control system according to claim 1, wherein an axial flow fan (7) is arranged at the bottom of the test tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921629795.7U CN210804130U (en) | 2019-09-27 | 2019-09-27 | Cloud chamber multi-water-tank temperature control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921629795.7U CN210804130U (en) | 2019-09-27 | 2019-09-27 | Cloud chamber multi-water-tank temperature control system |
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| CN210804130U true CN210804130U (en) | 2020-06-19 |
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| CN201921629795.7U Expired - Fee Related CN210804130U (en) | 2019-09-27 | 2019-09-27 | Cloud chamber multi-water-tank temperature control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110762671A (en) * | 2019-11-01 | 2020-02-07 | 北京应用气象研究所 | Immersion type liquid temperature control system for large laboratory |
-
2019
- 2019-09-27 CN CN201921629795.7U patent/CN210804130U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110762671A (en) * | 2019-11-01 | 2020-02-07 | 北京应用气象研究所 | Immersion type liquid temperature control system for large laboratory |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200619 Termination date: 20200927 |
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| CF01 | Termination of patent right due to non-payment of annual fee |