Automatic water replenishing device of thermal vacuum test circulating water system
By designing an automatic water replenishment device in the thermal vacuum test circulating water system, and using liquid level sensors and float switches to achieve automatic detection and water replenishment, the problem of traditional manual water replenishment position is solved and the stable operation of the circulating water system is ensured. , extends the service life of the equipment.
Patent Information
- Application Number
- CN202421032968.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-13
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-05-13
AI Technical Summary
The traditional thermal vacuum test circulating water system is manually rehydrated through the chiller tank. It is small and difficult to operate, and there is a lack of real-time water monitoring, which may lead to insufficient circulating water in the equipment and automatically shut down.
An automatic water replenishment device including a water storage tank, a glass level gauge, a level sensor, a water replenishing pump and a float switch is designed. The level sensor and a float switch are used to realize automatic detection and water replenishment to ensure the stability of the water level of the circulating water system.
The automatic water replenishment function of the circulating water system is realized, which avoids equipment shutdown caused by insufficient water level and improves the service life and operating efficiency of the equipment.
Smart Images
Figure CN222210914U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of thermal vacuum test and environmental reliability test, in particular to an automatic water replenishing device for a thermal vacuum test circulating water system. Background Art
[0002] Thermal vacuum test is a performance and reliability test that simulates products in extreme environments, including high temperature, low temperature, pressure changes and other factors. The circulating water system is an important part of this test, mainly used to control the temperature of the equipment and ensure temperature stability and uniformity during the test.
[0003] The traditional closed-loop water supply is manually replenished through the chiller water tank. The water tank is located below the chiller compressor, which is small and difficult to operate and requires manpower. There is no real-time monitoring of the water volume. If the water is not replenished in time, the thermal vacuum equipment will automatically shut down due to insufficient circulating water, causing an alarm.
[0004] In order to solve the above technical problems, we designed an automatic water replenishing device for the thermal vacuum test circulating water system. Utility Model Content
[0005] The utility model aims to provide an automatic water replenishing device for a circulating water system of a thermal vacuum test, which has the advantage of automatic water replenishing and solves the problem that the traditional closed circulating water is manually replenished through a water tank of a chiller, the water tank is located below the compressor of the chiller, is in a narrow position, is difficult to operate, consumes manpower, and has no real-time monitoring of the water volume.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic water replenishing device for a thermal vacuum test circulating water system, comprising a water tank and a chiller, the bottom of the water tank is fixedly connected to a triangular support frame, the bottom of the right side of the water tank is connected to a curved pipe, the top of the curved pipe is connected to a glass liquid level gauge, a warning component is fixedly installed on the top of the water tank, the chiller is arranged on the left side of the water tank, and a water replenishing component is fixedly installed in the inner cavity of the chiller.
[0007] Preferably, the warning component includes three liquid level sensors, which are respectively fixedly installed on the top, middle and bottom of the front surface of the water tank, and a water filling pipe is installed in the center of the top of the water tank.
[0008] Preferably, a water filling valve is fixedly installed on the surface of the water filling pipe, the end of the water filling pipe away from the water tank is connected to the external water supply source pipeline, a controller is fixedly installed on the left side of the top of the water tank, and a warning light is fixedly installed on the front side of the top of the water tank.
[0009] Preferably, the water replenishment component includes a water replenishment pump, which is fixedly installed on the right side of the chiller. The water inlet end of the water replenishment pump is connected to a water replenishment pipe, and the other end of the water replenishment pipe is connected to the bottom of the left side of the water storage tank.
[0010] Preferably, the water outlet end of the water supply pump is connected to a straight pipe, the left end of the straight pipe penetrates into the inner cavity of the chiller and is connected to a circulating water tank, and the circulating water tank is fixedly installed in the inner cavity of the chiller.
[0011] Preferably, a float switch is fixedly installed on the top of the front surface of the circulating water tank, the float end of the float switch is located in the inner cavity of the circulating water tank, and the top and bottom of the left side of the circulating water tank are respectively connected to the circulating return pipe and the circulating drain pipe.
[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0013] The utility model sets a water replenishment component and uses a float switch for detection. When there is a lack of water in the circulating water tank, the float switch will open, and water will be automatically replenished through the water replenishment pump. After the water level in the circulating water tank reaches the closing height of the float switch, the float switch will be automatically closed to stop replenishing water, thereby realizing the automatic circulating water replenishment function. Liquid level monitoring is added to the water storage tank to avoid water shortage in the water circulation system, reduce the impact on the test equipment, and improve the service life of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0015] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model when viewed from above;
[0016] Figure 3 It is a three-dimensional schematic diagram of the water replenishment component of the utility model.
[0017] In the figure: 1. Water storage tank; 2. Glass liquid level gauge; 3. Triangle support frame; 4. Warning component; 41. Liquid level sensor; 42. Water supply pipe; 43. Water supply valve; 44. Controller; 45. Warning light; 5. Water supply component; 51. Water supply pump; 52. Water supply pipe; 53. Float switch; 54. Circulating water tank; 55. Circulating drainage pipe; 56. Circulating return pipe; 57. Straight pipe; 6. Chiller; 7. Bend pipe. DETAILED DESCRIPTION
[0018] See also Figure 1-Figure 3, an automatic water replenishing device for a circulating water system of a thermal vacuum test, comprising a water storage tank 1 and a chiller 6, a triangular support frame 3 is fixedly connected to the bottom of the water storage tank 1, a bend pipe 7 is connected to the bottom of the right side of the water storage tank 1, and a glass liquid level gauge 2 is connected to the top of the bend pipe 7. By setting the glass liquid level gauge 2 and utilizing the communicating vessel principle, the staff can directly observe the liquid level inside the water storage tank 1 from the outside, so that the staff can replenish water quickly. A warning component 4 is fixedly installed on the top of the water storage tank 1, the chiller 6 is arranged on the left side of the water storage tank 1, and a water replenishing component 5 is fixedly installed in the inner cavity of the chiller 6;
[0019] See also Figure 1 and Figure 2 The warning component 4 includes a liquid level sensor 41. There are three liquid level sensors 41, which are fixedly installed at the top, middle and bottom of the front surface of the water storage tank 1, respectively. A water supply pipe 42 is connected and installed at the center of the top of the water storage tank 1;
[0020] See also Figure 1 and Figure 2 A water filling valve 43 is fixedly installed on the surface of the water filling pipe 42, and one end of the water filling pipe 42 away from the water storage tank 1 is connected to the external water supply source pipeline. A controller 44 is fixedly installed on the left side of the top of the water storage tank 1, and a warning light 45 is fixedly installed on the front side of the top of the water storage tank 1. By setting the warning light 45, three different colors of lights are used to warn the staff in different ways, so that the staff can monitor the liquid level of the water inside the water storage tank 1;
[0021] See also Figure 3 The water replenishment assembly 5 includes a water replenishment pump 51, which is fixedly installed on the right side of the chiller 6. The water inlet end of the water replenishment pump 51 is connected to a water replenishment pipe 52, and the other end of the water replenishment pipe 52 is connected to the bottom of the left side of the water storage tank 1;
[0022] See also Figure 3 The water outlet of the water supply pump 51 is connected to a straight pipe 57, the left end of the straight pipe 57 penetrates the inner cavity of the chiller 6 and is connected to a circulating water tank 54, and the circulating water tank 54 is fixedly installed in the inner cavity of the chiller 6;
[0023] See also Figure 3 A float switch 53 is fixedly installed on the top of the front surface of the circulating water tank 54. By setting the float switch 53 and using it for detection, when there is a lack of water in the circulating water tank 54, the float switch 53 will open. After the water level in the circulating water tank 54 reaches the closing height of the float switch 53, the float switch 53 will automatically close and stop replenishing water, thereby realizing the automatic replenishment function of circulating water. The float end of the float switch 53 is located in the inner cavity of the circulating water tank 54. The top and bottom of the left side of the circulating water tank 54 are respectively connected to the circulating return pipe 56 and the circulating drainage pipe 55.
[0024] When in use, the three liquid level sensors 41 correspond to the three lights of the warning light 45 from top to bottom, which are green, yellow and red respectively. When the liquid level inside the water tank 1 reaches the detection height of the lowest liquid level sensor 41, it sends a signal to the controller 44, and the controller 44 controls the warning light 45 to emit a red alarm light. At this time, it is a warning water level, reminding the staff to add water to the water tank 1. The controller 44 can also control the water filling valve 43 to open automatically, so that the external water source automatically enters the water tank 1 through the water filling pipe 42, and then uses the float to The switch 53 is used for detection. When there is a lack of water in the circulating water tank 54, the float switch 53 will be opened, and water will be automatically replenished through the water replenishment pump 51. The water inside the water storage tank 1 is pumped out from the water replenishment pipe 52 and enters the circulating water tank 54 through the straight pipe 57. After the water level inside the circulating water tank 54 reaches the closing height of the float switch 53, the float switch 53 will be automatically closed to stop replenishing water, thereby realizing the automatic replenishment function of circulating water. Then the circulating drainage pipe 55 is connected to the water inlet end of the vacuum test system, and the water outlet end of the vacuum test system is connected to the circulating return pipe 56 to realize water circulation.
[0025] In summary: the automatic water replenishing device of the circulating water system of the thermal vacuum test, through the water storage tank 1, the glass liquid level gauge 2, the triangular support frame 3, the warning component 4, the chiller 6 and the bent pipe 7, solves the problem that the traditional closed circulating water is manually replenished through the water tank of the chiller, the water tank is located below the compressor of the chiller, the position is narrow, it is not easy to operate, it consumes manpower, and there is no real-time monitoring of the water volume.
Claims
1. An automatic water replenishing device for a circulating water system of a thermal vacuum test, comprising a water storage tank (1) and a chiller (6), characterized in that: The bottom of the water storage tank (1) is fixedly connected to a triangular support frame (3); the bottom of the right side of the water storage tank (1) is connected to a curved pipe (7); the top of the curved pipe (7) is connected to a glass level gauge (2); a warning component (4) is fixedly installed on the top of the water storage tank (1); the chiller (6) is arranged on the left side of the water storage tank (1); and a water replenishment component (5) is fixedly installed in the inner cavity of the chiller (6).
2. The automatic water replenishing device for the thermal vacuum test circulating water system according to claim 1 is characterized in that: The warning component (4) comprises a liquid level sensor (41), the number of which is three and which are respectively fixedly mounted on the top, middle and bottom of the front surface of the water storage tank (1), and a water supply pipe (42) is installed in communication with the center of the top of the water storage tank (1).
3. The automatic water replenishing device for the thermal vacuum test circulating water system according to claim 2 is characterized in that: A water filling valve (43) is fixedly mounted on the surface of the water filling pipe (42); one end of the water filling pipe (42) away from the water storage tank (1) is connected to an external water supply source pipeline; a controller (44) is fixedly mounted on the left side of the top of the water storage tank (1); and a warning light (45) is fixedly mounted on the front side of the top of the water storage tank (1).
4. The automatic water replenishing device for the thermal vacuum test circulating water system according to claim 1 is characterized in that: The water replenishment component (5) comprises a water replenishment pump (51), the water replenishment pump (51) is fixedly installed on the right side of the chiller (6), the water inlet end of the water replenishment pump (51) is connected to a water replenishment pipe (52), and the other end of the water replenishment pipe (52) is connected to the bottom of the left side of the water storage tank (1).
5. The automatic water replenishing device for the thermal vacuum test circulating water system according to claim 4 is characterized in that: The water outlet end of the water replenishment pump (51) is connected to a straight pipe (57), the left end of the straight pipe (57) penetrates into the inner cavity of the chiller (6) and is connected to a circulating water tank (54), and the circulating water tank (54) is fixedly installed in the inner cavity of the chiller (6).
6. The automatic water replenishing device for the thermal vacuum test circulating water system according to claim 5 is characterized in that: A float switch (53) is fixedly mounted on the top of the front surface of the circulating water tank (54), and the float end of the float switch (53) is located in the inner cavity of the circulating water tank (54). The top and bottom of the left side of the circulating water tank (54) are respectively connected to a circulating water return pipe (56) and a circulating drainage pipe (55).