High and low temperature double-control constant temperature circulator

Abstract

The utility model relates to the technical field of constant-temperature circulators, and discloses a high and low temperature double-control constant-temperature circulator which comprises a base, the top end of the base is fixedly connected with a cavity part, the top end of the cavity part is covered with a sealing cover, and the outer wall of one side of the cavity part is fixedly connected with a refrigeration cavity. The outer wall of the side, away from the refrigeration cavity, of the cavity part is fixedly connected with a heating cavity, an evaporator is installed in the refrigeration cavity, a compressor is installed in the heating cavity, the compressor is connected with the evaporator through an expansion valve, and the top end of the refrigeration cavity and the top end of the heating cavity are each covered with a cover. According to the technical scheme, water which is not used for a long time in the refrigerating cavity and the heating cavity can be discharged through the drainage pipe, the water in the refrigerating cavity and the heating cavity can be sterilized through the submersible ultraviolet sterilization lamp, meanwhile, the top ends of the refrigerating cavity and the heating cavity can be opened through the cover body, the interiors of the refrigerating cavity and the heating cavity can be deeper cleaned, and the water quality is improved. The water body pollution is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of constant temperature circulators, in particular to a constant temperature circulator with high and low temperature dual control. Background Art

[0002] As a common temperature control device in the laboratory, the constant temperature circulator is widely used for the constant temperature of external instrument units, such as viscometers, photometers, chromatographic columns and other testing instruments; it is also used in the testing of samples and materials, such as clinical drugs, plasma and biological materials, and the heating control of various glassware.

[0003] The published patent document, CN216440669U, discloses a dual-control constant temperature circulator with high and low temperatures. The circulator comprises a cooling chamber and a heating chamber, respectively, on either side of a chamber; an evaporator is located within the cooling chamber, and a compressor is located within the heating chamber, connected to the evaporator via an expansion valve; the chamber is mounted on a support plate; a mixing element comprises a stirring member, located within the cover of the chamber; and a controller is located on one side of the chamber, connected to the stirring member, controlling its rotation. By arranging the water outlet from the cooling chamber to the chamber tangentially to the chamber, and the water outlet from the heating chamber to the chamber tangentially to the chamber, and by providing the stirring member simultaneously, two stirring modes can be achieved: high-power mode and normal mode, reducing energy consumption associated with stirring.

[0004] In actual use of the above patent, water stored in the refrigeration chamber and the heating chamber for a long time is prone to the growth of bacteria and microorganisms, thereby causing water pollution. Therefore, a constant temperature circulator with dual high and low temperature control is needed. Utility Model Content

[0005] The purpose of the utility model is to provide a constant temperature circulator with high and low temperature dual control, which solves the problems raised in the background technology.

[0006] An embodiment of the present application provides a constant temperature circulator with dual control of high and low temperatures, including a base, the top of the base is fixedly connected to a cavity portion, the top cover of the cavity portion is provided with a sealing cover, one outer wall of the cavity portion is fixedly connected to a refrigeration cavity, the outer wall of the cavity portion away from the refrigeration cavity is fixedly connected to a heating cavity, an evaporator is installed inside the refrigeration cavity, a compressor is installed inside the heating cavity, the compressor is connected to the evaporator through an expansion valve, the tops of the refrigeration cavity and the heating cavity are both covered with a cover body, and submersible ultraviolet sterilization lamps are installed on both of the two covers, and the two submersible ultraviolet sterilization lamps extend to the interior of the refrigeration cavity and the heating cavity respectively, and a control panel is installed on the outer wall of the cavity portion.

[0007] During use, the evaporator and compressor are set to achieve cooling or heating of the liquid, avoiding waste of heat and cooling in the cycle. The water that has not been used for a long time in the refrigeration cavity and the heating cavity can be discharged through the drain pipe, and the water inside the refrigeration cavity and the heating cavity can be sterilized through the submersible ultraviolet sterilization lamp. At the same time, the top of the refrigeration cavity and the heating cavity can be opened through the cover to carry out deeper cleaning of the interior to avoid water pollution.

[0008] Optionally, a temperature sensor is installed on the inner wall of the body.

[0009] The adoption of the above technical solution is conducive to detecting the temperature inside the cavity.

[0010] Optionally, universal self-locking wheels are installed at the four corners of the lower end of the base.

[0011] The adoption of the above technical solution is conducive to the flexible movement of equipment.

[0012] Optionally, a screw is threaded through the top end of the cover body, and the two screws on the cover body are respectively connected to the top ends of the refrigeration chamber and the heating chamber.

[0013] The adoption of the above technical solution is conducive to the fixing or disassembly of the cover.

[0014] Optionally, the front arms of the refrigeration chamber and the heating chamber are both fixedly provided with drainage pipes, and valves are installed on the drainage pipes.

[0015] By adopting the above technical solution, it is beneficial to discharge the liquid that has not been used for a long time in the refrigeration cavity or the heating cavity.

[0016] Optionally, the cover body is provided with a mounting groove adapted for a submersible ultraviolet germicidal lamp.

[0017] The adoption of the above technical solution is conducive to the rapid disassembly and assembly of the submersible ultraviolet germicidal lamp.

[0018] Optionally, a lamp holder is installed at the end of the submersible ultraviolet germicidal lamp away from the water body.

[0019] The adoption of the above technical solution is conducive to the connection between the submersible ultraviolet germicidal lamp and the mains electricity.

[0020] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0021] The technical solution of the present application can discharge the water that has not been used for a long time in the refrigeration chamber and the heating chamber through the drain pipe, and can sterilize the water inside the refrigeration chamber and the heating chamber through the submersible ultraviolet sterilization lamp. At the same time, the top of the refrigeration chamber and the heating chamber can be opened through the cover to perform deeper cleaning of the interior to avoid water pollution. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Other features, objects and advantages of the present invention will become more apparent from the detailed description of the non-limiting embodiments with reference to the following drawings:

[0023] Figure 1 This is a schematic diagram of the overall structure of a constant temperature circulator with high and low temperature dual control in the utility model;

[0024] Figure 2 This is a schematic diagram of the internal structure of a constant temperature circulator with high and low temperature dual control according to the present invention;

[0025] Figure 3 This is a schematic diagram of the disassembled structure of the cover of a constant temperature circulator with high and low temperature dual control according to the present invention;

[0026] Figure 4 This is a schematic diagram of the top view of a constant temperature circulator with high and low temperature dual control according to the present invention.

[0027] In the figure: 1. Sealing cover; 2. Cavity; 3. Submersible ultraviolet germicidal lamp; 4. Screws; 5. Refrigeration chamber; 6. Base; 7. Universal self-locking wheel; 8. Drain pipe; 9. Valve; 10. Heating chamber; 11. Cover; 12. Control panel; 13. Temperature sensor; 14. Evaporator; 15. Compressor; 16. Mounting slot. DETAILED DESCRIPTION

[0028] See also Figure 1-4 The utility model provides a technical solution: a constant temperature circulator with high and low temperature dual control, including a base 6, the top of the base 6 is fixedly connected to the cavity part 2, the top cover of the cavity part 2 is provided with a sealing cover 1, one side outer wall of the cavity part 2 is fixedly connected to the refrigeration cavity 5, the outer wall of the cavity part 2 away from the refrigeration cavity 5 is fixedly connected to the heating cavity 10, an evaporator 14 is installed inside the refrigeration cavity 5, a compressor 15 is installed inside the heating cavity 10, the compressor 15 is connected to the evaporator 14 through an expansion valve, the top ends of the refrigeration cavity 5 and the heating cavity 10 are both covered with a cover body 11, and a submersible ultraviolet sterilization lamp 3 is installed on the two covers 11, and the two submersible ultraviolet sterilization lamps 3 extend to the inside of the refrigeration cavity 5 and the heating cavity 10 respectively, and a control panel 12 is installed on the outer wall of the cavity part 2.

[0029] In the technical solution of the present utility model, Figure 2 As shown, a temperature sensor 13 is installed on the inner wall of the cavity portion 2 , which is helpful for detecting the temperature inside the cavity portion 2 .

[0030] In the technical solution of the present utility model, Figure 1 As shown, universal self-locking wheels 7 are installed at the four corners of the lower end of the base 6, which is conducive to the flexible movement of the equipment.

[0031] In the technical solution of the present utility model, Figure 1 and Figure 3 As shown, a screw 4 is threaded through the top of the cover 11, and the screws 4 on the two covers 11 are respectively connected to the top threads of the refrigeration chamber 5 and the heating chamber 10, which is conducive to the fixation or disassembly of the cover 11.

[0032] In the technical solution of the present utility model, Figure 1 As shown, the front arms of the refrigeration chamber 5 and the heating chamber 10 are fixedly provided with a drain pipe 8, and a valve 9 is installed on the drain pipe 8; this is beneficial for draining the liquid in the refrigeration chamber 5 or the heating chamber 10 that has not been used for a long time.

[0033] In the technical solution of the present utility model, Figure 3 As shown, the cover 11 is provided with a mounting groove 16 adapted to the submersible ultraviolet germicidal lamp 3 , which is conducive to the rapid disassembly and assembly of the submersible ultraviolet germicidal lamp 3 .

[0034] In the technical solution of the present utility model, Figure 1 As shown, a lamp holder is installed at the end of the submersible ultraviolet germicidal lamp 3 away from the water body, which is conducive to the connection of the submersible ultraviolet germicidal lamp 3 with the mains.

[0035] During use, the evaporator 14 and the compressor 15 are set to achieve cooling or heating of the liquid, avoiding waste of heat and cooling in the cycle. The water that has not been used for a long time in the refrigeration chamber 5 and the heating chamber 10 can be discharged through the drain pipe 8, and the water inside the refrigeration chamber 5 and the heating chamber 10 can be sterilized by the submersible ultraviolet sterilization lamp 3. At the same time, the top of the refrigeration chamber 5 and the heating chamber 10 can be opened through the cover 11 to perform deeper cleaning of the interior to avoid water pollution.

[0036] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A constant temperature circulator with high and low temperature dual control, characterized by: The invention comprises a base (6), the top of the base (6) is fixedly connected to a cavity part (2), the top cover of the cavity part (2) is provided with a sealing cover (1), one side outer wall of the cavity part (2) is fixedly connected to a refrigeration cavity (5), the side outer wall of the cavity part (2) away from the refrigeration cavity (5) is fixedly connected to a heating cavity (10), an evaporator (14) is installed inside the refrigeration cavity (5), a compressor (15) is installed inside the heating cavity (10), the compressor (15) is connected to the evaporator (14) through an expansion valve, the tops of the refrigeration cavity (5) and the heating cavity (10) are both covered with a cover body (11), and a submersible ultraviolet sterilization lamp (3) is installed on each of the two covers (11), and the two submersible ultraviolet sterilization lamps (3) extend into the interior of the refrigeration cavity (5) and the heating cavity (10), respectively, and a control panel (12) is installed on the outer wall of the cavity part (2).

2. A constant temperature circulator with high and low temperature dual control according to claim 1, characterized in that: A temperature sensor (13) is installed on the inner wall of the cavity portion (2).

3. The high and low temperature dual-control constant temperature circulator according to claim 1, characterized in that: Universal self-locking wheels (7) are installed at the four corners of the lower end of the base (6).

4. The high and low temperature dual-control constant temperature circulator according to claim 1, characterized in that: The top end of the cover body (11) is threaded with a screw (4), and the two screws (4) on the cover body (11) are respectively threadedly connected to the top ends of the refrigeration chamber (5) and the heating chamber (10).

5. The high and low temperature dual-control constant temperature circulator according to claim 1, characterized in that: A drainage pipe (8) is fixedly provided through the front arms of the refrigeration chamber (5) and the heating chamber (10), and a valve (9) is installed on the drainage pipe (8).

6. The high and low temperature dual-control constant temperature circulator according to claim 1, characterized in that: The cover (11) is provided with a mounting groove (16) adapted to the submersible ultraviolet germicidal lamp (3).

7. The high and low temperature dual-control constant temperature circulator according to claim 1, characterized in that: A lamp holder is installed at the end of the submersible ultraviolet sterilization lamp (3) away from the water body.

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