CN218764813U - Shell and tube anti-freezing automatic drainage device of heat pump EVI system - Google Patents
Shell and tube anti-freezing automatic drainage device of heat pump EVI system Download PDFInfo
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- CN218764813U CN218764813U CN202222591668.0U CN202222591668U CN218764813U CN 218764813 U CN218764813 U CN 218764813U CN 202222591668 U CN202222591668 U CN 202222591668U CN 218764813 U CN218764813 U CN 218764813U
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Abstract
The utility model discloses a heat pump EVI system's automatic drainage device that prevents frostbite of shell and tube, including shell and tube heat exchanger, set up the drain pipe on shell and tube heat exchanger, temperature sensor and controlling means, the drain pipe on be equipped with electric ball valve, temperature sensor and electric ball valve all be connected with controlling means electricity, controlling means be equipped with main power supply and stand-by power supply. The utility model discloses when the main power supply outage, can carry out automatic drainage control through stand-by power supply, cross when low at ambient temperature, control electric ball valve and get the electricity and carry out the drainage to avoid low temperature frost damage.
Description
Technical Field
The utility model relates to a shell and tube of heat pump EVI system prevents frostbite automatic drainage device.
Background
According to the heat pump EVI product on the market at present, the problem of freezing damage often occurs to a shell and tube heat exchanger, and although some equipment is protected by an anti-freezing program, when a user does not use the equipment and forgets manual drainage, the program cannot run and cannot be protected, and the freezing damage fault of a pipeline and parts is still serious.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a heat pump EVI system's automatic drainage device that prevents frostbite of shell and tube has effectively solved the problem pointed out in the background art.
The utility model adopts the technical proposal that:
the shell and tube anti-freezing automatic drainage device of the heat pump EVI system comprises a shell and tube heat exchanger, a drainage pipe arranged on the shell and tube heat exchanger, a temperature sensor and a control device, wherein an electric ball valve is arranged on the drainage pipe, the temperature sensor and the electric ball valve are electrically connected with the control device, and the control device is provided with a main power supply and a standby power supply.
Preferably, the electric ball valve is normally closed when power is off and opened when power is on.
Preferably, the control device is provided with a power supply circuit, which supplies power to the control device through the main power supply when the main power supply is energized, and supplies power to the control device through the backup power supply when the main power supply is de-energized.
Preferably, the control device controls the power supply of the electric ball valve according to the environmental temperature detected by the temperature sensor, the environmental temperature when the electric ball valve is controlled to be the drainage temperature by the control device, the drainage time when the electric ball valve is powered to be drainage time, and a program for modifying the drainage temperature and the drainage time is arranged in the control device.
Preferably, the backup power source is a storage battery.
The utility model discloses when the main power supply outage, can carry out automatic drainage control through stand-by power supply, cross when low at ambient temperature, control electric ball valve and get the electricity and carry out the drainage to avoid low temperature frost damage.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following detailed description of specific embodiments thereof, which is illustrated in the accompanying drawings.
As shown in fig. 1, the shell and tube anti-freezing automatic drainage device of the heat pump EVI system comprises a shell and tube heat exchanger 1, a drainage pipe 2 arranged on the shell and tube heat exchanger 1, a temperature sensor 3 and a control device 4, wherein an electric ball valve 5 is arranged on the drainage pipe 2, the temperature sensor 3 and the electric ball valve 5 are both electrically connected with the control device 4, and the control device 4 is provided with a main power supply 6 and a standby power supply 7.
The electric ball valve 5 is normally closed when power is off and opened when power is on.
The control device 4 is provided with a power supply circuit which supplies power to the control device 4 through the main power supply 6 when the main power supply 6 is powered on, and supplies power to the control device 4 through the standby power supply 7 when the main power supply 6 is powered off.
The control device 4 controls the electric ball valve 5 to be powered according to the environmental temperature detected by the temperature sensor 3, the environmental temperature when the electric ball valve 5 is powered is controlled to be the drainage temperature by the control device 4, the time for draining water by the electric ball valve 5 is the drainage time, and a program for modifying the drainage temperature and the drainage time is arranged in the control device 4.
The standby power supply 7 is a storage battery.
The utility model discloses a theory of operation as follows:
when the main power supply 6 is energized, the control device 4 is powered by the main power supply, and when the main power supply 6 is de-energized, the control device 4 is powered by the backup power supply 7.
The water discharge temperature and time of the electric ball valve 5 can be modified and adjusted by the control device 4 according to different equipment conditions, such as the water amount to be discharged in the system, so as to achieve the optimal control effect.
Finally, it should be noted that the above-mentioned embodiments are only specific embodiments of the present invention. Obviously, the present invention is not limited to the above embodiments, and many modifications are possible. All modifications which can be derived or suggested by a person skilled in the art from the disclosure of the invention should be considered as within the scope of the invention.
Claims (5)
1. The utility model provides a heat pump EVI system's automatic drainage device of preventing frostbite of shell and tube, its characterized in that, including shell and tube heat exchanger (1), drain pipe (2), temperature sensor (3) and controlling means (4) of setting on shell and tube heat exchanger (1), drain pipe (2) on be equipped with electronic ball valve (5), temperature sensor (3) and electronic ball valve (5) all be connected with controlling means (4) electricity, controlling means (4) be equipped with main power supply (6) and stand-by power supply (7).
2. The automatic shell and tube antifreeze drain apparatus for a heat pump EVI system as set forth in claim 1, wherein said electric ball valve (5) is normally closed when power is off and opened when power is on.
3. The shell and tube antifreeze automatic drain device of a heat pump EVI system according to claim 1, characterized in that a power circuit is arranged in the control device (4), the power circuit supplies power to the control device (4) through the main power supply (6) when the main power supply (6) is powered on, and supplies power to the control device (4) through the backup power supply (7) when the main power supply (6) is powered off.
4. The shell and tube anti-freezing automatic drainage device of the heat pump EVI system according to claim 1, wherein the control device (4) controls the electric ball valve (5) to be powered according to the ambient temperature detected by the temperature sensor (3), the ambient temperature when the electric ball valve (5) is powered is controlled to be the drainage temperature by the control device (4), the time for powering the electric ball valve (5) to drain is the drainage time, and a program for modifying the drainage temperature and the drainage time is arranged in the control device (4).
5. The shell-and-tube antifreeze automatic drain device of a heat pump EVI system as set forth in claim 1, characterized in that said backup power source (7) is a battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222591668.0U CN218764813U (en) | 2022-09-29 | 2022-09-29 | Shell and tube anti-freezing automatic drainage device of heat pump EVI system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222591668.0U CN218764813U (en) | 2022-09-29 | 2022-09-29 | Shell and tube anti-freezing automatic drainage device of heat pump EVI system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218764813U true CN218764813U (en) | 2023-03-28 |
Family
ID=85696686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222591668.0U Active CN218764813U (en) | 2022-09-29 | 2022-09-29 | Shell and tube anti-freezing automatic drainage device of heat pump EVI system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218764813U (en) |
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2022
- 2022-09-29 CN CN202222591668.0U patent/CN218764813U/en active Active
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