CN219572426U - Series connection energy-saving circulation system of refrigerant for photovoltaic module test - Google Patents
Series connection energy-saving circulation system of refrigerant for photovoltaic module test Download PDFInfo
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- CN219572426U CN219572426U CN202320632278.5U CN202320632278U CN219572426U CN 219572426 U CN219572426 U CN 219572426U CN 202320632278 U CN202320632278 U CN 202320632278U CN 219572426 U CN219572426 U CN 219572426U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model discloses a series energy-saving circulating system of refrigerants for testing a photovoltaic module, which comprises a control unit and a plurality of groups of cooling towers, wherein an inlet of each cooling tower is connected with a water inlet pipeline, an outlet of each cooling tower is connected with a water outlet pipeline, and a cooling water circulating pump is arranged on each water outlet pipeline; the cooling tower is connected with the air-cooled chiller through a primary cooling water pipeline and a secondary cooling water pipeline; and a temperature sensor is arranged in the outlet of the cooling tower and used for detecting the temperature of cooling water and sending temperature information to a control unit, and the control unit controls the corresponding air-cooled chiller to work. According to the utility model, the specification of the cooling towers is set according to the requirements of the running working conditions in winter, and each cooling tower is provided with the air-cooled water chilling unit, and the air-cooled water chilling unit is utilized for secondary cooling, so that the energy is saved, and the normal running of the temperature test box in summer and winter can be satisfied.
Description
Technical Field
The utility model relates to the technical field of photovoltaic detection, in particular to a series energy-saving circulation system of refrigerants for testing a photovoltaic module.
Background
Thermal performance testing is one of the requisite test items for photovoltaic modules, which require thermal cycling testing, wet freeze testing, wet heat testing, etc., to confirm that the module is capable of withstanding the negative temperature effects following high temperature and high humidity, as well as fatigue and thermal failure caused by repeated changes in temperature. In addition, the capability of resisting the long-term permeation of moisture due to the thermal stress generated by the exposure of the photovoltaic component to high humidity is determined.
The temperature test box of the photovoltaic module is generally internally provided with a humidifying system, a heating system and a cooling system, the temperature test box is internally provided with a condenser, the condenser is required to be provided with a corresponding cooling tower, heat of a refrigerant in the condenser is taken away by water in a water pump circulation pipeline, after the heat in the condenser is taken away by the water, the water is circulated into the cooling tower under the action of a water pump, the heat is transferred to air around the cooling tower through the flowing of the water in the cooling tower, and then the water enters the condenser of the temperature test box again to absorb the heat. The photovoltaic module has a plurality of temperature test boxes to be used in the test project, so that a plurality of temperature test boxes can be arranged in the factory building, and each cooling tower can cool refrigerants of the plurality of temperature test boxes for reducing cost.
The cooling tower and the cooling water circulating pump are generally selected according to the summer operation condition, the cooling tower in summer bears the condensation load of the water chilling unit, the cooling tower in winter bears the cold load of the workshop production process, and the condensation load is larger than the cold load of the production process, so that the cooling tower is completely selected according to the summer operation condition, electric energy can be wasted in winter, and the operation cost is increased.
Disclosure of Invention
In order to solve the problems, the utility model provides a series energy-saving circulation system of refrigerants for testing a photovoltaic module, which is energy-saving and can meet the requirements of summer operation conditions and winter operation conditions.
For this purpose, the technical scheme of the utility model is as follows: the series energy-saving cooling medium circulating system for the photovoltaic module test comprises a control unit and a plurality of groups of cooling towers, wherein an inlet of each cooling tower is connected with a water inlet pipeline, an outlet of each cooling tower is connected with a water outlet pipeline, and a cooling water circulating pump is arranged on each water outlet pipeline; the cooling tower is connected with the air-cooled chiller through a primary cooling water pipeline and a secondary cooling water pipeline; and a temperature sensor is arranged in the outlet of the cooling tower and used for detecting the temperature of cooling water and sending temperature information to a control unit, and the control unit controls the corresponding air-cooled chiller to work.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: a first electromagnetic valve is arranged between the outlet of the cooling tower and the water outlet pipeline, and the control unit controls the on-off of the outlet of the cooling tower and the water outlet pipeline through the first electromagnetic valve.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the outlet of the cooling tower is connected with the inlet of the air-cooled chiller through a first-stage cooling water pipeline, and the outlet of the air-cooled chiller is connected with a water outlet pipeline through a second-stage cooling water pipeline; the first-stage cooling water pipeline is provided with a second electromagnetic valve and a second suction pump, and the control unit controls the on-off of the outlet of the cooling tower and the first-stage cooling water pipeline through the second electromagnetic valve.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the cooling towers are the same in number and in one-to-one correspondence with the air-cooled chiller units.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the water outlet pipeline of the cooling tower is connected with a plurality of water outlet branches, the water inlet pipeline is connected with a plurality of water inlet branches, and each water inlet branch and each water outlet branch are a group and are connected with the temperature test box.
Compared with the prior art, the utility model has the beneficial effects that: the cooling tower specifications are set according to the winter operation condition demands, each cooling tower is provided with an air-cooled water chilling unit, and the air-cooled water chilling unit is utilized for secondary cooling, so that the summer operation condition demands are met, and the air-cooled water chilling unit is only used under the condition that the water temperature in the cooling tower does not reach the standard, so that energy is saved, and the normal operation of the temperature test box in summer and winter can be met.
Drawings
The following is a further detailed description of embodiments of the utility model with reference to the drawings
FIG. 1 is a system layout of the present utility model;
FIG. 2 is a water path connection diagram of a single cooling tower according to the present utility model.
Marked in the figure as: the cooling tower 2, the water inlet pipeline 21, the water inlet branch 22, the water outlet pipeline 23, the water outlet branch 24, the cooling water circulating pump 25, the first electromagnetic valve 26, the air-cooled chiller 3, the primary cooling water pipeline 31, the secondary cooling water pipeline 32, the second electromagnetic valve 33, the second suction pump 34 and the temperature test box 4.
Detailed Description
In the description of the present utility model, it should be noted that, for the azimuth words such as the terms "center", "transverse (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, only for convenience of describing the present utility model and simplifying the description, but do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and should not be construed as limiting the specific protection scope of the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first", "a second" feature may explicitly or implicitly include one or more of such feature, and in the description of the present utility model, the meaning of "a number", "a number" is two or more, unless otherwise specifically defined.
See the drawings. The series energy-saving circulation system of refrigerants for testing the photovoltaic module comprises a control unit 1, a plurality of groups of cooling towers 2 and an air-cooled chiller 3, wherein an inlet of the cooling towers 2 is connected with a water inlet pipeline 21, the water inlet pipeline 21 is connected with a plurality of water inlet branches 22, each water inlet branch 22 is connected with an outlet of a temperature test box 4, an outlet of the cooling towers 2 is connected with a water outlet pipeline 23, the water outlet pipeline 23 is connected with a plurality of water outlet branches 24, and each water outlet branch 24 is connected with an inlet of the temperature test box 4; the water outlet pipeline 24 is provided with a cooling water circulating pump 25, and the cooling water circulating pump 25 is used for pumping high-temperature water from the temperature test chamber 4. A first electromagnetic valve 26 is arranged between the outlet of the cooling tower 2 and the water outlet pipeline 23, and the control unit 1 controls the on-off of the outlet of the cooling tower 2 and the water outlet pipeline 23 through the first electromagnetic valve 26.
The cooling towers 2 and the air-cooled chiller units 3 are the same in number and in one-to-one correspondence, the outlets of the cooling towers 2 are connected with the inlets of the air-cooled chiller units 3 through primary cooling water pipelines 31, and the outlets of the air-cooled chiller units 3 are connected with the water outlet pipeline 23 through secondary cooling water pipelines 32; the first-stage cooling water pipeline 32 is provided with a second electromagnetic valve 33 and a second suction pump 34, and the control unit 1 controls the on-off of the outlet of the cooling tower 2 and the first-stage cooling water pipeline 31 through the second electromagnetic valve 33.
A temperature sensor is arranged in the outlet of the cooling tower 2 and used for detecting the temperature of cooling water and sending temperature information to a control unit, and the control unit controls the corresponding air-cooled chiller 3 to work.
During daily operation, the cooling water circulating pump 25 works, high-temperature water is pumped from the temperature test box 4 to enter the cooling tower 2, after heat exchange is carried out through the heat exchanger in the cooling tower 2, the cooled water is sent to the water outlet pipeline 23 of the cooling tower, and then enters each temperature test box 4 through the water outlet branch 24, so that the temperature test box can work normally.
When the high-temperature cooling water circulating pump 25 works, high-temperature water is pumped from the temperature test box 4 to enter the cooling tower 2, after heat exchange is carried out through the heat exchanger in the cooling tower 2, cooled water is sent to the outlet of the cooling tower 2, at the moment, the temperature sensor at the outlet detects that the cooling water is not marked, the first electromagnetic valve 26 between the outlet of the cooling tower and the water outlet pipeline is closed, the second electromagnetic valve 33 and the second suction pump 34 on the first-stage cooling water pipeline 31 are opened, the second suction pump 34 works, the first-stage cooling water is pumped into the air-cooled chiller unit 3 for secondary cooling, and the secondary cooling water flows into the water outlet pipeline 23 through the second-stage cooling water pipeline 32 and finally enters the temperature test boxes 4, so that the temperature test boxes can work normally.
Meanwhile, according to the actual water temperature, the flow between the outlet of the cooling tower and the water outlet pipeline can be controlled through the first electromagnetic valve, and the primary cooling water and the secondary cooling water are mixed, so that the energy consumption of the air-cooled water chilling unit is reduced, and the air-cooled water chilling unit is more energy-saving and environment-friendly.
The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (5)
1. The series energy-saving cooling medium circulating system for the photovoltaic module test comprises a control unit and a plurality of groups of cooling towers, wherein an inlet of each cooling tower is connected with a water inlet pipeline, an outlet of each cooling tower is connected with a water outlet pipeline, and a cooling water circulating pump is arranged on each water outlet pipeline; the method is characterized in that: the cooling tower is connected with the air-cooled chiller through a primary cooling water pipeline and a secondary cooling water pipeline; and a temperature sensor is arranged in the outlet of the cooling tower and used for detecting the temperature of cooling water and sending temperature information to a control unit, and the control unit controls the corresponding air-cooled chiller to work.
2. The series energy-saving circulation system of refrigerants for testing photovoltaic modules according to claim 1, wherein: a first electromagnetic valve is arranged between the outlet of the cooling tower and the water outlet pipeline, and the control unit controls the on-off of the outlet of the cooling tower and the water outlet pipeline through the first electromagnetic valve.
3. The series energy-saving circulation system of refrigerants for testing photovoltaic modules according to claim 2, wherein: the outlet of the cooling tower is connected with the inlet of the air-cooled chiller through a first-stage cooling water pipeline, and the outlet of the air-cooled chiller is connected with a water outlet pipeline through a second-stage cooling water pipeline; the first-stage cooling water pipeline is provided with a second electromagnetic valve and a second suction pump, and the control unit controls the on-off of the outlet of the cooling tower and the first-stage cooling water pipeline through the second electromagnetic valve.
4. The series energy-saving circulation system of refrigerants for testing photovoltaic modules according to claim 1, wherein: the cooling towers are the same in number and in one-to-one correspondence with the air-cooled chiller units.
5. The series energy-saving circulation system of refrigerants for testing photovoltaic modules according to claim 1, wherein: the water outlet pipeline of the cooling tower is connected with a plurality of water outlet branches, the water inlet pipeline is connected with a plurality of water inlet branches, and each water inlet branch and each water outlet branch are a group and are connected with the temperature test box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320632278.5U CN219572426U (en) | 2023-03-27 | 2023-03-27 | Series connection energy-saving circulation system of refrigerant for photovoltaic module test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320632278.5U CN219572426U (en) | 2023-03-27 | 2023-03-27 | Series connection energy-saving circulation system of refrigerant for photovoltaic module test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219572426U true CN219572426U (en) | 2023-08-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320632278.5U Active CN219572426U (en) | 2023-03-27 | 2023-03-27 | Series connection energy-saving circulation system of refrigerant for photovoltaic module test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219572426U (en) |
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2023
- 2023-03-27 CN CN202320632278.5U patent/CN219572426U/en active Active
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