High-precision low-temperature water tank

Abstract

The utility model discloses a high-precision low-temperature water tank in the technical field of low-temperature water tanks, which comprises a footstand, a water tank box is arranged at the top of the footstand, a cooling component is arranged on the outer wall of one side of the water tank box, a motor protection shell is arranged on the outer wall of the other side of the water tank box, a water suction pump is arranged at one end of the water tank box, and the output end of the water suction pump is connected with a water outlet pipe. According to the water tank cooling device, rapid low-temperature cooling can be conveniently conducted on a water source in the water tank through the cooling component, the temperature of the water source in the refrigerated water tank is evenly distributed, and the cooling work efficiency of the water tank cooling device is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of low-temperature water tanks, in particular to a high-precision low-temperature water tank. Background Art

[0002] In the study of thermal properties of materials, such as measuring the thermal expansion coefficient of certain crystalline materials, it is necessary to carry out the measurement in a low-temperature environment. High-precision low-temperature water tanks can accurately control the temperature at different low-temperature points. At the same time, high-precision measuring instruments, combined with the low-temperature environment of the water tank, can accurately measure the dimensional changes of materials at low temperatures, thereby obtaining an accurate thermal expansion coefficient, which is crucial for the application of materials in cryogenic engineering.

[0003] According to the authorization publication number CN211099129U, a split low-temperature water tank is disclosed. By setting a filter box and activated carbon, the water resources inside the device are circulated and filtered, which increases the purity of the water resources inside the device, greatly improves the use effect of the device during operation, avoids the influence of impurities in the water tank inside the device on the operation of the device, greatly reduces the malfunction error of the device, and improves the practicality of the device. By setting a filter box, the water resources in the low-temperature water tank inside the device are fully filtered when the device is in use, avoiding the influence of the water resources in the low-temperature water tank on the low-temperature water tank causing accelerated rust, greatly increasing the practicality of the device, improving the use effect of the device, reducing the wear rate of the device, increasing the service life of the device, improving the use effect of the device, and improving the popularity and use effect of the device.

[0004] The above patent realizes the function of filtering impurities in the water tank, but the cooling effect of the water source in the water tank is poor and the temperature distribution of the water source in the water tank after cooling is uneven, thereby reducing the cooling efficiency and making it inconvenient to quickly cool the water source in the water tank at low temperatures. For this reason, we propose a high-precision low-temperature water tank. Utility Model Content

[0005] The purpose of the present invention is to provide a high-precision low-temperature water tank to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a high-precision low-temperature water sink, comprising a foot base, a water sink box arranged on the top of the foot base, a cooling component arranged on the outer wall of one side of the water sink box, a motor protection shell arranged on the outer wall of the other side of the water sink box, a water pump arranged at one end of the water sink box, an outlet pipe connected to the output end of the water pump, a water inlet pipe arranged at the other end of the water sink box, and a sealed switch door arranged on the top of the water sink box.

[0007] Preferably, the cooling component includes a square shell arranged on the outer wall of one side of the water tank box, a blower fan is arranged on the outer wall of one side of the inner cavity of the square shell, a support plate is arranged on the side of the inner cavity of the square shell adjacent to the blower fan, a plurality of condensation plates of the same structure are arranged in a uniform array on one side of the support plate, a focusing plate is arranged on the side of the inner cavity of the square shell adjacent to the condensation plate, and two groups of roller assemblies of the same structure are arranged on the side of the inner cavity of the square shell adjacent to the focusing plate.

[0008] Preferably, the drum assembly includes a gas supply circular pipe rotatably connected to both sides of the inner cavity of the converging plate, the other end of the gas supply circular pipe extends to the inner cavity of the water tank box, and the outer wall of the gas supply circular pipe is provided with a rotating bearing member, the outer wall of the rotating bearing member is embedded in one side of the water tank box, and a circular drum is provided on the outer wall of the other end of the gas supply circular pipe, and a solenoid valve is provided on the top of the outer wall of the other end of the gas supply circular pipe, four groups of through grooves of the same structure are evenly opened on the outer wall of the circular drum, the outer walls of the four groups of through grooves are all provided with aluminum protective shells, and a rotating round rod is provided at the other end of the circular drum, the outer wall of the rotating round rod is provided with a supporting bearing member, and the outer wall of the supporting bearing member is embedded in the other side of the water tank box, and the other end of the rotating round rod is connected to a motor, and the motor is installed in the inner cavity of the motor protective shell.

[0009] Preferably, a spiral gas-guiding copper tube is provided in the inner cavity of the aluminum protective shell, and one end of the spiral gas-guiding copper tube is connected to the gas transmission circular pipe.

[0010] Preferably, the inner wall of the water tank box is provided with a vacuum insulation panel.

[0011] Preferably, two groups of oblique surfaces with the same structure are symmetrically provided on the inner wall of one side of the concentrating plate, and a temperature sensor is provided at the center position of the inner wall of one side of the concentrating plate.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention facilitates rapid low-temperature cooling of the water source in the water tank and makes the temperature of the water source in the water tank uniform after cooling through the cooling component, thereby improving its cooling efficiency. Among them, a blower fan is provided on the outer wall of one side of the inner cavity of the square shell to rotate and generate airflow. These airflows will blow to the cold air generated by a plurality of condensing plates with the same structure arranged in an even array on one side of the support plate, so that the cold air generated by the condensing plate enters the gathering plate, wherein the inner wall of one side of the gathering plate is symmetrically provided with two groups of inclined surfaces of the same structure to facilitate gas The cold air in the converging plate will be guided and concentrated into the gas pipes on both sides of the inner cavity of the converging plate. Finally, the cold air in these gas pipes will enter the inner cavity of the aluminum protective shell, which is equipped with a spiral gas guide copper tube. A solenoid valve is provided on the top of the outer wall of the other end of the gas pipe to control the flow rate of the low-temperature gas entering. The motor actuator drives the connected rotating rod to rotate with the inner ring of the bearing of the supporting bearing provided on the outer wall. The rotation of the rotating rod drives the circular roller to rotate with the support of the rotating bearing provided on the outer wall of the gas pipe, and the rotation of the circular roller The gas transmission pipe is driven to rotate and is connected to the rotating bearings on both sides of the inner cavity of the flow collecting plate for support and rotation. The outer wall of the circular drum is evenly provided with four groups of through grooves of the same structure to facilitate the formation of turbulent flow when the water flows through the four groups of through grooves of the same structure. The through grooves will change the flow path of the fluid and generate more turbulence. The turbulent flow will strengthen the convection of water, so that the water in different areas of the water tank can exchange positions more quickly, thereby making the temperature distribution of the water in the entire water tank more uniform. The outer walls of the four groups of through grooves are all provided with aluminum protective shells with It has a good effect of conveying low temperature, and the inner cavity of the aluminum protective shell is provided with a spiral air-guiding copper tube to facilitate the guidance of the cold airflow, so that the cold airflow flows along a spiral path in the inner cavity of the spiral air-guiding copper tube. This orderly flow method can make the gas distribution more uniform, avoid excessive concentration of gas in local areas or formation of turbulence, and help to improve working stability and reliability. The vacuum insulation panel is provided on the inner wall of the water tank box with good thermal insulation effect to avoid leakage of low-temperature airflow. A temperature sensor is provided at the center of the inner wall of one side of the focusing plate to facilitate observation of the temperature of the low-temperature gas in the square shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the structure of the utility model;

[0014] Figure 2 This is a schematic cross-sectional view of the structure of the utility model;

[0015] Figure 3 This is a schematic top view of the structure of the utility model;

[0016] Figure 4 This is a schematic diagram of the structure of the roller assembly of the utility model;

[0017] Figure 5 It is an enlarged schematic diagram of the flow concentrator structure of the utility model.

[0018] In the figure: 1. foot base; 2. water tank box; 21. vacuum insulation panel; 3. sealed switch door; 4. motor protection shell; 5. cooling component; 51. square shell; 52. support plate; 53. flow collecting plate; 531. inclined surface; 532. temperature sensor; 54. blower fan; 55. drum assembly; 551. circular drum; 552. aluminum protection shell; 5521. spiral air guide copper tube; 553. rotating round rod; 554. supporting bearing; 555. gas transmission round pipe; 556. rotating bearing; 557. through groove; 558. motor; 559. solenoid valve; 56. condensing plate; 6. water pump; 7. water outlet pipe; 8. water inlet pipe. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] See also Figure 1-5 As mentioned in the background technology, the prior art realizes the function of filtering impurities in the water tank in the above patent, but the cooling effect of the water source in the water tank is poor and the temperature distribution of the water source in the water tank after cooling is uneven, thereby reducing the cooling efficiency and making it inconvenient to quickly and low-temperature cool the water source in the water tank. The utility model provides a technical solution: it includes a foot base 1, a water tank box 2 is provided on the top of the foot base 1, a cooling component 5 is provided on the outer wall of one side of the water tank box 2, a motor protection shell 4 is provided on the outer wall of the other side of the water tank box 2, and a water pump 6 is provided at one end of the water tank box 2, the output end of the water pump 6 is connected to the water outlet pipe 7, and the other end of the water tank box 2 is provided with a water inlet pipe 8, and a sealed switch door 3 is provided on the top of the water tank box 2. The cooling component 5 facilitates the rapid and low-temperature cooling of the water source in the water tank box 2 and makes the temperature of the water source in the water tank box 2 uniform after cooling, thereby improving its cooling efficiency.

[0021] See also Figure 2-3As shown, the cooling component 5 includes a square shell 51 arranged on the outer wall of one side of the water tank box 2, a blower fan 54 is arranged on the outer wall of the inner cavity of the square shell 51, a support plate 52 is arranged on the side of the inner cavity of the square shell 51 adjacent to the blower fan 54, and a plurality of condensation plates 56 of the same structure are evenly arranged in an array on one side of the support plate 52, a focusing plate 53 is arranged on the side of the inner cavity of the square shell 51 adjacent to the condensation plate 56, and two groups of roller assemblies 55 of the same structure are arranged on the side of the inner cavity of the square shell 51 adjacent to the focusing plate 53. The blower fan 54 is arranged on the outer wall of the inner cavity of the square shell 51 to rotate and generate airflow, which will blow toward the support plate 52. The cold air generated by the condensing plates 56 with the same structure is uniformly arrayed on the side, so that the cold air generated by the condensing plates 56 enters the focusing plate 53, wherein the inner wall of one side of the focusing plate 53 is symmetrically provided with two groups of inclined surfaces 531 with the same structure to facilitate the guidance of the gas. Next, the cold air in the focusing plate 53 will be guided and concentrated into the gas supply pipes 555 on both sides of the inner cavity of the focusing plate 53. Finally, the cold air in these gas supply pipes 555 will enter the inner cavity of the aluminum protective shell 552 provided with a spiral gas guide copper tube 5521, and the top of the outer wall of the other end of the gas supply pipe 555 is provided with an electromagnetic valve 559 to control the flow rate of the low-temperature gas entering.

[0022] See also Figure 2-5As shown, the roller assembly 55 includes a gas delivery pipe 555 rotatably connected to both sides of the inner cavity of the concentrator 53, the other end of the gas delivery pipe 555 extends to the inner cavity of the water tank box 2, and the outer wall of the gas delivery pipe 555 is provided with a rotating bearing member 556, the outer wall of the rotating bearing member 556 is embedded in one side of the water tank box 2, and the outer wall of the other end of the gas delivery pipe 555 is provided with a circular roller 551, and the top of the outer wall of the other end of the gas delivery pipe 555 is provided with a solenoid valve 559. The outer wall of the circular roller 551 is evenly opened with four groups of through grooves 557 of the same structure, and the outer walls of the four groups of through grooves 557 are all provided with An aluminum protective shell 552 is provided, and a rotating rod 553 is provided at the other end of the circular drum 551, and a supporting bearing 554 is provided on the outer wall of the rotating rod 553, and the outer wall of the supporting bearing 554 is embedded in the other side of the water tank box 2, and the other end of the rotating rod 553 is connected to a motor 558, which is installed in the inner cavity of the motor protective shell 4. The rotating rod 553 is further driven by the execution end of the motor 558 to support the rotation of the bearing inner ring of the supporting bearing 554 provided on the outer wall. The rotation of the rotating rod 553 drives the circular drum 551 to pass through the conveyor The outer wall of the gas tube 555 is provided with a rotating bearing 556 to support the rotation, and the rotation of the circular drum 551 drives the gas tube 555 to rotate and connect to the rotating bearings provided on both sides of the inner cavity of the flow collecting plate 53 to support the rotation, and the outer wall of the circular drum 551 is evenly provided with four groups of through grooves 557 of the same structure to facilitate the formation of turbulence when the water flows through the four groups of through grooves 557 of the same structure. The through grooves 557 will change the flow path of the fluid and generate more turbulence. The turbulent flow will strengthen the convection of water, so that different areas in the water tank box 2 The water liquid can exchange positions more quickly, so that the temperature distribution of the water liquid in the entire water tank box 2 is more uniform. The aluminum protective shell 552 provided on the outer wall of the four groups of through grooves 557 has a good low-temperature transmission effect, and the inner cavity of the aluminum protective shell 552 is provided with a spiral air-guiding copper tube 5521 to facilitate the guidance of the cold air flow, so that the cold air flow flows along a spiral path in the inner cavity of the spiral air-guiding copper tube 5521. This orderly flow method can make the gas distribution more uniform, avoid excessive concentration of gas in local areas or formation of turbulence, and help to improve working stability and reliability.

[0023] See also Figure 3-4 As shown, a spiral gas-guiding copper tube 5521 is provided in the inner cavity of the aluminum protective shell 552, and one end of the spiral gas-guiding copper tube 5521 is connected to the gas transmission circular pipe 555. The spiral gas-guiding copper tube 5521 is provided in the inner cavity of the aluminum protective shell 552 to facilitate the guidance of the cold air flow, so that the cold air flow flows along a spiral path in the inner cavity of the spiral gas-guiding copper tube 5521.

[0024] See also Figure 2As shown, the inner wall of the water tank box 2 is provided with a vacuum insulation panel 21, which has a good heat preservation effect and prevents leakage of low-temperature airflow.

[0025] See also Figure 2 As shown, two groups of inclined surfaces 531 of the same structure are symmetrically provided on the inner wall of one side of the concentrator 53, and a temperature sensor 532 is provided at the center position of the inner wall of one side of the concentrator 53. The temperature sensor 532 is provided at the center position of the inner wall of one side of the concentrator 53 to facilitate observation of the temperature of the low-temperature gas in the square shell 51.

[0026] Working principle: at the beginning of work, the other end of the user's water tank box 2 is provided with a water inlet pipe 8 connected to the water source, so that water enters the inner cavity of the water tank box 2, and is rotated by the blower fan 54 provided on the outer wall of one side of the inner cavity of the square shell 51 to generate airflow. These airflows will blow to the cold air generated by a plurality of condensation plates 56 with the same structure evenly arranged in an array on one side of the support plate 52, so that the cold air generated by the condensation plate 56 enters the focusing plate 53, wherein the inner wall of one side of the focusing plate 53 is symmetrically provided with two groups of inclined surfaces 531 with the same structure to facilitate the guidance of the gas. Next, the cold air in the focusing plate 53 will be guided and concentrated into the gas supply pipes 555 on both sides of the inner cavity of the focusing plate 53. Finally, the cold air in these gas supply pipes 555 will enter the inner cavity of the aluminum protective shell 552 provided with a spiral gas guide copper tube 5521, and the top of the outer wall of the other end of the gas supply pipe 555 is provided with a solenoid valve 559 to control the flow rate of the low-temperature gas entering.

[0027] The rotating rod 553 connected by the execution end of the motor 558 is further driven to rotate on the inner ring of the bearing of the support bearing 554 provided on the outer wall. The rotation of the rotating rod 553 drives the circular drum 551 to rotate through the rotating bearing 556 provided on the outer wall of the gas transmission tube 555, and the rotation of the circular drum 551 drives the gas transmission tube 555 to rotate and support the rotation of the rotating bearings provided on both sides of the inner cavity of the focusing plate 53. Four groups of through grooves 557 with the same structure are evenly opened on the outer wall of the circular drum 551 to facilitate the formation of turbulence when the water flow passes through the four groups of through grooves 557 with the same structure. The through grooves 557 will change the flow path of the fluid and generate more turbulence. The turbulent flow will enhance the convection of water, so that the water in different areas of the water tank box 2 can exchange positions more quickly, thereby making the temperature distribution of the water in the entire water tank box 2 more uniform. The aluminum protective shell 552 provided on the outer walls of the four groups of through grooves 557 has good transmission performance. Low temperature effect, and the inner cavity of the aluminum protective shell 552 is provided with a spiral air-guiding copper tube 5521 to facilitate guiding the cold air flow, so that the cold air flow flows along a spiral path in the inner cavity of the spiral air-guiding copper tube 5521. This orderly flow mode can make the gas distribution more uniform, avoid excessive concentration of gas in local areas or formation of turbulence, and help to improve working stability and reliability. The vacuum insulation panel 21 is provided on the inner wall of the water tank box 2, which has a good thermal insulation effect to avoid leakage of low-temperature air flow. A temperature sensor 532 is provided at the center position of the inner wall on one side of the focusing plate 53 to facilitate observation of the temperature of the low-temperature gas in the square shell 51, wherein the temperature sensor 532 sends an electrical signal to the PLC controller, and the PLC controller transmits the electrical signal to the solenoid valve 559 to accurately control the flow of low-temperature gas entering the spiral air-guiding copper tube 5521 to achieve control of the low-temperature gas. Finally, a water pump 6 is provided at one end of the water tank box 2 to pump out the low-temperature water in the inner cavity of the water tank box 2 to the output end connected to the water outlet pipe 7 for outflow.

[0028] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-precision low-temperature water tank, characterized by: The utility model comprises a foot base (1), a water tank box (2) is arranged on the top of the foot base (1), a cooling component (5) is arranged on the outer wall of one side of the water tank box (2), a motor protection shell (4) is arranged on the outer wall of the other side of the water tank box (2), a water pump (6) is arranged at one end of the water tank box (2), the output end of the water pump (6) is connected to a water outlet pipe (7), and a water inlet pipe (8) is arranged at the other end of the water tank box (2), and a sealed switch door (3) is arranged on the top of the water tank box (2).

2. A high-precision low-temperature water tank according to claim 1, characterized in that: The cooling component (5) comprises a square shell (51) arranged on the outer wall of one side of the water tank box (2); a blower fan (54) is arranged on the outer wall of one side of the inner cavity of the square shell (51); a support plate (52) is arranged on the side of the inner cavity of the square shell (51) adjacent to the blower fan (54); a plurality of condensation plates (56) of the same structure are arranged in a uniform array on one side of the support plate (52); a focusing plate (53) is arranged on the side of the inner cavity of the square shell (51) adjacent to the condensation plate (56); and two groups of roller assemblies (55) of the same structure are arranged on the side of the inner cavity of the square shell (51) adjacent to the focusing plate (53).

3. A high-precision low-temperature water tank according to claim 2, characterized in that: The roller assembly (55) includes a gas delivery circular pipe (555) rotatably connected to both sides of the inner cavity of the flow collecting plate (53), the other end of the gas delivery circular pipe (555) extends to the inner cavity of the water tank box (2), and the outer wall of the gas delivery circular pipe (555) is provided with a rotating bearing member (556), the outer wall of the rotating bearing member (556) is embedded in one side of the water tank box (2), and the outer wall of the other end of the gas delivery circular pipe (555) is provided with a circular roller (551), the outer wall of the other end of the gas delivery circular pipe (555) is provided with a solenoid valve (559) at the top of the outer wall of the other end of the gas delivery circular pipe (555), and the circular roller (551) is provided with a rotating bearing member (556) on the outer wall of the other end of the gas delivery circular pipe (555). 51) The outer wall is evenly provided with four groups of through grooves (557) of the same structure, and the outer walls of the four groups of through grooves (557) are all provided with aluminum protective shells (552), and a rotating round rod (553) is provided at the other end of the circular drum (551), and a supporting bearing member (554) is provided on the outer wall of the rotating round rod (553), and the outer wall of the supporting bearing member (554) is embedded in the other side of the water tank box (2), and the other end of the rotating round rod (553) is connected to a motor (558), and the motor (558) is installed in the inner cavity of the motor protective shell (4).

4. A high-precision low-temperature water tank according to claim 3, characterized in that: The inner cavity of the aluminum protective shell (552) is provided with a spiral gas-conducting copper tube (5521), and one end of the spiral gas-conducting copper tube (5521) is connected to the gas transmission circular tube (555).

5. The high-precision low-temperature water tank according to claim 2, characterized in that: The inner side wall of the water tank box (2) is provided with a vacuum insulation panel (21).

6. The high-precision low-temperature water tank according to claim 2, characterized in that: Two groups of oblique surfaces (531) with the same structure are symmetrically arranged on the inner wall of one side of the flow concentrating plate (53), and a temperature sensor (532) is arranged at the center position of the inner wall of one side of the flow concentrating plate (53).

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