Liquid-nitrogen-free programmed cooling instrument

Abstract

The utility model relates to the technical field of temperature control equipment, and discloses a liquid-nitrogen-free programmed cooling instrument which comprises a cabinet body, supporting legs are fixedly connected to the four corners of the lower surface of the cabinet body, a refrigeration mechanism is arranged in the cabinet body, and the refrigeration mechanism comprises a cold conduction block. The left side and the right side of the cold conduction block are fixedly installed in the middles of the left side and the right side of the side, close to the back face, of the inner wall of the cabinet body respectively, a heat conduction sponge is arranged in the middle of the back face of the cold conduction block, a refrigeration piece is arranged in the middle of the back face of the heat conduction sponge, and a cooling fan is fixedly installed in the middle of the front face of the cold conduction block. According to the utility model, the cold conduction block is arranged on the back surface in the cabinet body and is used for cold conduction of the refrigeration sheet, current flows through the refrigeration sheet for refrigeration, the cooling fan is used for blowing cold air into the cabinet body, and the radiator is used for absorbing heat generated by the refrigeration sheet and blowing the heat to the outside of the cabinet body through the cooling fan; therefore, the effect of effectively refrigerating in a liquid nitrogen mode can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of temperature control equipment, in particular to a program cooling instrument without liquid nitrogen. Background Art

[0002] A programmed cooling device is a highly sophisticated device designed to gradually cool a sample or material according to a preset time and temperature curve. It is widely used in biomedicine, material science, food industry, and electronic testing.

[0003] Traditional programmed cooling devices mostly rely on liquid nitrogen as a refrigeration medium to achieve the purpose of rapid cooling. However, the use of liquid nitrogen is not only costly and complicated to operate, but also poses safety hazards, including the risk of frostbite and suffocation caused by accumulation of evaporating gas. In addition, the instability of liquid nitrogen supply also limits its application in certain occasions. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a program cooling device without liquid nitrogen, which has the advantages of avoiding the use of liquid nitrogen for effective refrigeration and solves the problems mentioned in the above background technology.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a programmed cooling instrument without liquid nitrogen, comprising a cabinet, wherein the four corners of the lower surface of the cabinet are fixedly connected with supporting feet, a refrigeration mechanism is arranged inside the cabinet, and the refrigeration mechanism comprises a cooling block, the left and right sides of the cooling block are respectively fixedly installed on the middle of the left and right sides of the inner wall of the cabinet close to the back side, a heat-conducting sponge is arranged in the middle of the back side of the cooling block, a cooling plate is arranged in the middle of the back side of the heat-conducting sponge, a cooling fan is fixedly installed in the middle of the front side of the cooling block, a radiator is arranged on the outside of the back side of the heat-conducting sponge, and a cooling fan is fixedly installed in the middle of the back side of the radiator.

[0008] Preferably, threaded holes are provided in the middle of the left and right sides of the front surface of the cooling block, and through holes are provided in the middle of the left and right sides of the front surface of the radiator.

[0009] Two threaded holes respectively penetrate the middle of the left and right sides of the front of the cooling block, and two through holes respectively penetrate the middle of the left and right sides of the front of the radiator, making it easy for the staff to disassemble, assemble and connect the two.

[0010] Preferably, hinges are provided above and below the left side of the cabinet body close to the front side, a door panel is fixedly connected to one side of the hinge, and a handle is fixedly connected to the middle part of the left side of the door panel close to the front side.

[0011] The two hinges correspond to each other, and the door panel can be rotated on the front side of the cabinet through the hinges to cover the interior of the cabinet. The handle can facilitate the operator to pull the door panel.

[0012] Preferably, a sealing gasket is fixedly connected to the middle of the right side of the door panel close to the front, and a card slot is opened in the middle of the right side of the front of the cabinet.

[0013] The card slot is embedded in the middle of the right side of the front side of the cabinet body, and the sealing gasket can be embedded in the inside of the card slot to fix the door panel and the cabinet body together.

[0014] Preferably, a rear cover is arranged on the outside of the rear side of the cabinet, and a number of ventilation holes are opened on the rear side of the rear cover.

[0015] Preferably, the left and right sides of the cabinet are both fixedly connected to the middle of one side close to the back side with a first fixing block, and the left and right sides of the rear cover are both fixedly connected to the middle of one side close to the front side with a second fixing block.

[0016] The back cover can cover the outside of the refrigeration mechanism to provide safety protection for it. The air vent runs through the back of the back cover to facilitate the heat generated by the refrigeration mechanism to be dissipated. The first fixing block corresponds to the second fixing block to facilitate the disassembly and assembly of the back cover.

[0017] Compared with the prior art, the utility model provides a program cooling device without liquid nitrogen, which has the following beneficial effects:

[0018] 1. The utility model uses a cooling block installed on the back of the cabinet, the cooling block is used to conduct cooling to the refrigeration plate, current flows through the refrigeration plate for cooling, the cooling fan is used to blow cold air into the interior of the cabinet, the radiator is used to absorb the heat generated by the refrigeration plate, and blow it to the outside of the cabinet through the cooling fan, thereby avoiding the use of liquid nitrogen for effective cooling.

[0019] 2. The utility model has a back cover arranged on the back of the cabinet, and the back cover can cover the outside of the refrigeration mechanism. The air vent runs through the back of the back cover to facilitate heat dissipation. The first fixing block corresponds to the second fixing block, and the back cover can be fixed by them, so that it is convenient for the staff to disassemble and assemble it. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the rear view structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the refrigeration mechanism structure of the utility model;

[0023] Figure 4 It is a bottom view structural schematic diagram of the refrigeration mechanism of the utility model.

[0024] Among them: 1. cabinet; 101. support foot; 102. hinge; 103. door panel; 104. handle; 105. sealing gasket; 106. slot; 107. back cover; 108. air vent; 109. first fixed block; 110. second fixed block; 2. refrigeration mechanism; 201. cooling block; 202. thermal sponge; 203. cooling sheet; 204. cooling fan; 205. radiator; 206. cooling fan; 207. threaded hole; 208. through hole. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-4 A program cooling instrument without liquid nitrogen comprises a cabinet 1, wherein four corners of the lower surface of the cabinet 1 are fixedly connected with legs 101, a refrigeration mechanism 2 is arranged inside the cabinet 1, and the refrigeration mechanism 2 comprises a cooling block 201, and the left and right sides of the cooling block 201 are respectively fixedly installed at the middle of the left and right sides of the inner wall of the cabinet 1 near the back side, a heat conducting sponge 202 is arranged in the middle of the back of the cooling block 201, a cooling sheet 203 is arranged in the middle of the back of the heat conducting sponge 202, a cooling fan 204 is fixedly installed in the middle of the front of the cooling block 201, and a cooling fan 204 is fixedly installed in the middle of the front of the cooling block 201. A radiator 205 is arranged on the outside of the back side of the sponge 202, and a cooling fan 206 is fixedly installed in the middle of the back side of the radiator 205. The support leg 101 supports the cabinet 1. The cooling block 201 is used to transfer the cooling energy generated by the cooling plate 203. The thermal conductive sponge 202 can improve the energy transfer efficiency of the cooling plate 203. The cooling fan 204 can blow the cooling energy generated by the cooling plate 203 to the inside of the cabinet 1. The radiator 205 can transfer the heat generated by the cooling plate 203 and blow it to the outside of the cabinet 1 through the cooling fan 206.

[0027] Specifically, Figure 3 As shown, threaded holes 207 are provided in the middle of the left and right sides of the front of the cooling block 201 , and through holes 208 are provided in the middle of the left and right sides of the front of the heat sink 205 .

[0028] Through the above technical solution, two threaded holes 207 respectively penetrate the middle of the left and right sides of the front of the cooling block 201, and two through holes 208 respectively penetrate the middle of the left and right sides of the front of the radiator 205, making it convenient for the staff to disassemble and connect the two.

[0029] Specifically, Figure 2 As shown, hinges 102 are provided at the top and bottom of the left side of the cabinet 1 near the front, a door panel 103 is fixedly connected to one side of the hinge 102, and a handle 104 is fixedly connected to the middle of the left side of the door panel 103 near the front.

[0030] Through the above technical solution, the two hinges 102 correspond to each other, and the door panel 103 can be rotated on the front side of the cabinet 1 through the hinges 102 to cover the interior of the cabinet 1. The handle 104 can facilitate the operator to pull the door panel 103.

[0031] Specifically, Figure 1 As shown, a sealing gasket 105 is fixedly connected to the middle of the right side of the door panel 103 close to the front, and a card slot 106 is opened in the middle of the right side of the front of the cabinet 1.

[0032] Through the above technical solution, the card slot 106 is embedded in the middle of the right side of the front side of the cabinet 1, and the sealing gasket 105 can be embedded in the inside of the card slot 106 to fix the door panel 103 and the cabinet 1 together.

[0033] Specifically, Figure 2 As shown, a back cover 107 is provided on the outside of the back of the cabinet 1, and a number of ventilation holes 108 are opened on the back of the back cover 107. The middle part of the left and right sides of the cabinet 1 close to the back is fixedly connected with a first fixing block 109, and the middle part of the left and right sides of the back cover 107 close to the front is fixedly connected with a second fixing block 110.

[0034] Through the above technical solution, the back cover 107 can cover the outside of the refrigeration mechanism 2 to provide safety protection for it. The air vent 108 runs through the back of the back cover 107 to facilitate the dissipation of heat generated by the refrigeration mechanism 2. The first fixing block 109 and the second fixing block 110 correspond to each other, which facilitates the disassembly and assembly of the back cover 107.

[0035] When in use, the operator places the cooling plate 203 inside the quilt surface of the thermally conductive sponge 202, then fits the radiator 205 and the thermally conductive sponge 202 together, and makes the threaded hole 207 correspond to the through hole 208, and connects the two together with bolts, energizes the cooling plate 203, and the generated cold is transferred to the cooling block 201, which is blown to the inside of the cabinet 1 by the cooling fan 204, and the generated heat is transferred to the radiator 205, which is blown to the outside of the rear cover 107 by the cooling fan 206. After the installation is completed, the rear cover 107 is covered on the outside of the refrigeration mechanism 2, so that the first fixing block 109 and the second fixing block 110 correspond to each other, and the two are fixed together. Finally, the sample to be cooled is placed inside the cabinet 1, and the door panel 103 is closed.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A program cooling instrument without liquid nitrogen, comprising a cabinet (1), characterized in that: The four corners of the lower surface of the cabinet (1) are fixedly connected with supporting feet (101), and a refrigeration mechanism (2) is arranged inside the cabinet (1). The refrigeration mechanism (2) comprises a cooling block (201), and the left and right sides of the cooling block (201) are respectively fixedly installed at the middle of the left and right sides of the inner wall of the cabinet (1) close to the back side, and the middle of the back side of the cooling block (201) is provided with a heat conducting sponge (202), and the middle of the back side of the heat conducting sponge (202) is provided with a cooling plate (203), and the middle of the front side of the cooling block (201) is fixedly installed with a cooling fan (204), and the back side of the heat conducting sponge (202) is provided with a radiator (205), and the middle of the back side of the radiator (205) is fixedly installed with a cooling fan (206).

2. A program cooling apparatus without liquid nitrogen according to claim 1, characterized in that: The front of the cooling block (201) is provided with threaded holes (207) in the middle of both left and right sides, and the front of the heat sink (205) is provided with through holes (208) in the middle of both left and right sides.

3. The program cooling device without liquid nitrogen according to claim 1, characterized in that: Hinges (102) are provided at the top and bottom of the left side of the cabinet body (1) close to the front side, a door panel (103) is fixedly connected to one side of the hinge (102), and a handle (104) is fixedly connected to the middle part of the left side of the door panel (103) close to the front side.

4. A program cooling apparatus without liquid nitrogen according to claim 3, characterized in that: A sealing gasket (105) is fixedly connected to the middle of the right side of the door panel (103) close to the front, and a card slot (106) is provided in the middle of the right side of the front of the cabinet (1).

5. The program cooling apparatus without liquid nitrogen according to claim 1, characterized in that: A rear cover (107) is arranged on the outside of the back of the cabinet (1), and a plurality of ventilation holes (108) are opened on the back of the rear cover (107).

6. A program cooling apparatus without liquid nitrogen according to claim 5, characterized in that: The cabinet body (1) is fixedly connected to a first fixing block (109) at the middle of the left and right sides close to the back, and the rear cover (107) is fixedly connected to a second fixing block (110) at the middle of the left and right sides close to the front.

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