Sample storage refrigerator convenient for cleaning laboratory

Abstract

The sample storage refrigerator convenient to clean for the laboratory comprises a heat preservation inner box, an outer box is fixedly installed on the outer surface of the heat preservation inner box, and common flow guide structures are fixedly installed on the two sides of the interior of the heat preservation inner box. Bracket fixing strips are fixedly mounted in front of and behind the common flow guide structure in the heat preservation inner box, an inner circulation refrigeration structure is fixedly mounted on the upper surface of the heat preservation inner box, a circulation cleaning structure is fixedly mounted on the lower surface of the heat preservation inner box, and an electric heating wire is fixedly mounted on the lower surface of the interior of the heat preservation inner box. According to the sample storage refrigerator convenient to clean and used in the laboratory, high-temperature disinfection can be automatically carried out by heating introduced water, meanwhile, residues adhering to the interior are softened at high temperature and washed away, sundries are discharged out of a sewer after washing, and instruments for testing can be placed in the sample storage refrigerator during washing and cleaned and disinfected at the same time. Operation is easy and convenient, and functionality is better.

Description

Technical Field

[0001] The utility model relates to the technical field of sample preservation devices for laboratories, and particularly relates to a sample storage refrigerator for laboratories that is convenient to clean. Background Art

[0002] Refrigerators are essential storage appliances in family life and are very common. Refrigerators are also widely used in the medical field. Many drugs need to be stored refrigerated or frozen, and the storage conditions are more stringent, requiring storage in a sterile environment. Similarly, samples used in laboratories also need to be stored at low temperature, and the storage environment needs to be kept clean. Therefore, in order to maintain cleanliness, regular cleaning is required. However, the current cleaning methods are very troublesome, requiring manual wiping and disinfection, which is very inconvenient. For this reason, we propose a sample storage refrigerator for laboratories that is convenient to clean. Content of the Utility Model

[0003] The main purpose of the utility model is to provide a sample storage refrigerator for laboratories that is convenient to clean, which can effectively solve the problems in the background art.

[0004] To achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0005] A sample storage refrigerator for laboratories that is convenient to clean includes a heat-insulating inner box. An outer box is fixedly installed on the outer surface of the heat-insulating inner box. Both sides inside the heat-insulating inner box are fixedly installed with a common flow guiding structure. Bracket fixing strips are fixedly installed in front of and behind the common flow guiding structure inside the heat-insulating inner box. An internal circulation refrigeration structure is fixedly installed on the upper surface of the heat-insulating inner box. A circulation cleaning structure is fixedly installed on the lower surface of the heat-insulating inner box. An electric heating wire is fixedly installed on the lower surface inside the heat-insulating inner box. A tap water joint is connected to one side surface of the heat-insulating inner box. A control panel is fixedly installed on the front surface of the outer box. A box door is movably installed on one side edge of the front port of the outer box through a hinge.

[0006] Furthermore, the common flow guiding structure includes a flow guiding pipe, an arc-shaped shunt box, and dispersion outlet holes. Arc-shaped shunt boxes are fixedly installed on the surface of the flow guiding pipe. Dispersion outlet holes are formed on the arc surface of the arc-shaped shunt box. There are multiple arc-shaped shunt boxes, and they are evenly arranged on the surface of the flow guiding pipe. Multiple dispersion outlet holes are formed on the arc surface of each arc-shaped shunt box.

[0007] Furthermore, the internal circulation refrigeration structure includes a heat exchange box, a fan group, an inlet pipe, an outlet pipe, a first valve, a second valve, a servo motor, and a transmission rod. The front surface of the heat exchange box is fixedly connected to the fan group. The front surface of the fan group is connected to the inlet pipe. The front surface of the heat exchange box is connected to the outlet pipes on both sides of the fan group. The other ends of the inlet pipes are respectively communicated with the inside of the heat preservation inner box. The other ends of the outlet pipes are communicated with the inside of the diversion pipe. The first valve and the second valve are respectively connected to the surfaces of the inlet pipe and the outlet pipe. The valve rods of the first valve and the second valve are connected in series by the transmission rod. One end of the transmission rod is connected to the output end of the servo motor.

[0008] Furthermore, the circulating cleaning structure includes a high-pressure circulating pump, an inlet conduit, an outlet pipe, and a discharge valve. The input end of the high-pressure circulating pump is connected to the inlet conduit. The output ends on both sides of the high-pressure circulating pump are connected to the outlet pipe. One end of the discharge valve is communicated with the surface of the inlet conduit.

[0009] Furthermore, the other ends of the two outlet pipes are respectively communicated with the lower ends of the two diversion pipes.

[0010] Furthermore, a tap water valve is connected to the surface of the tap water joint. Positioning card slots are provided on the surfaces of the bracket fixing strips, and a plurality of the positioning card slots are provided on the surface of each bracket fixing strip.

[0011] Compared with the prior art, the present utility model has the following beneficial effects:

[0012] In the present utility model, the sample storage refrigerator for the laboratory can automatically perform high-temperature disinfection by heating the introduced water, simultaneously soften the residues adhered inside at high temperature, and wash them away. After washing, the sundries are discharged into the sewer. And during the washing process, the instruments for laboratory tests can be placed for cleaning and disinfection at the same time. The operation is simple and convenient, and the functionality is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of a sample storage refrigerator for a laboratory that is convenient for cleaning according to the present utility model;

[0014] Figure 2 It is a sectional view of the outer box of a sample storage refrigerator for a laboratory that is convenient for cleaning according to the present utility model;

[0015] Figure 3 It is a partial sectional view of the outer box of a sample storage refrigerator for a laboratory that is convenient for cleaning according to the present utility model;

[0016] Figure 4 It is a sample storage refrigerator for a laboratory that is convenient for cleaning according to the present utility model Figure 2 The enlarged view at A in the figure.

[0017] In the figure: 1, inner heat preservation box; 2, outer box; 3, shared diversion structure; 301, diversion pipe; 302, arc-shaped shunt box; 303, dispersed outlet holes; 4, bracket fixing strip; 401, positioning card slot; 5, internal circulation refrigeration structure; 501, heat exchange box; 502, fan group; 503, inlet pipe; 504, discharge pipe; 505, first valve; 506, second valve; 507, servo motor; 508, transmission rod; 6, circulation cleaning structure; 601, high-pressure circulation pump; 602, inlet conduit; 603, outlet pipe; 604, drainage valve; 7, heating wire; 8, tap water connector; 801, tap water valve; 9, control panel; 10, box door. Detailed implementation mode

[0018] In order to make the technical means, creative features, achieved purposes and functions realized by the present utility model easy to understand, the present utility model will be further described below in conjunction with the specific implementation modes.

[0019] As Figures 1-4 shown, a sample storage refrigerator for a laboratory that is convenient to clean includes an inner heat preservation box 1. The outer surface of the inner heat preservation box 1 is fixedly installed with an outer box 2. Both sides inside the inner heat preservation box 1 are fixedly installed with a shared diversion structure 3. In front of and behind the shared diversion structure 3 inside the inner heat preservation box 1, bracket fixing strips 4 are fixedly installed. The upper surface of the inner heat preservation box 1 is fixedly installed with an internal circulation refrigeration structure 5. The lower surface of the inner heat preservation box 1 is fixedly installed with a circulation cleaning structure 6. The lower surface inside the inner heat preservation box 1 is fixedly installed with a heating wire 7. One side surface of the inner heat preservation box 1 is connected with a tap water connector 8. The front surface of the outer box 2 is fixedly installed with a control panel 9. One side edge of the front port of the outer box 2 is movably installed with a box door 10 through a hinge, and a fixed door lock is provided on the box door 10;

[0020] The shared diversion structure 3 includes a diversion pipe 301, an arc-shaped shunt box 302 and a dispersed outlet hole 303. The arc-shaped shunt box 302 is fixedly installed on the surface of the diversion pipe 301. The arc surface of the arc-shaped shunt box 302 is provided with the dispersed outlet hole 303. There are multiple arc-shaped shunt boxes 302, and they are evenly arranged on the surface of the diversion pipe 301. The arc surface of each arc-shaped shunt box 302 is provided with multiple dispersed outlet holes 303; the internal circulation refrigeration structure 5 includes a heat exchange box 501, a fan group 502, an inlet pipe 503, an outlet pipe 504, a first valve 505, a second valve 506, a servo motor 507 and a transmission rod 508. The front surface of the heat exchange box 501 is fixedly connected with the fan group 502. The front surface of the fan group 502 is connected with the inlet pipe 503. The front surface of the heat exchange box 501 is connected with the outlet pipe 504 on both sides of the fan group 502. The other ends of the inlet pipes 503 are communicated with the inside of the heat preservation inner box 1. The other ends of the outlet pipes 504 are communicated with the inside of the diversion pipe 301. The first valve 505 and the second valve 506 are respectively connected to the surfaces of the inlet pipe 503 and the outlet pipe 504. The valve stems of the first valve 505 and the second valve 506 are connected in series by the transmission rod 508. One end of the transmission rod 508 is connected to the output end of the servo motor 507. The first valve 505 and the second valve 506 are provided to prevent water from being sprayed into the refrigeration system during cleaning; the circulating cleaning structure 6 includes a high-pressure circulating pump 601, an inlet conduit 602, an outlet pipe 603 and a discharge valve 604. The input end of the high-pressure circulating pump 601 is connected with the inlet conduit 602. The output ends on both sides of the high-pressure circulating pump 601 are connected with the outlet pipe 603. One end of the discharge valve 604 is communicated with the surface of the inlet conduit 602; the other ends of the two outlet pipes 603 are respectively communicated with the lower ends of the two diversion pipes 301; the surface of the tap joint 8 is connected with a tap valve 801. The surface of the bracket fixing strip 4 is provided with positioning card slots 401. Multiple positioning card slots 401 are provided on the surface of each bracket fixing strip 4.

[0021] It should be noted that the present utility model is a sample storage refrigerator for a laboratory that is convenient for cleaning. When cleaning, the refrigeration function of the refrigerator is turned off through the control panel 9. First, empty the samples stored inside, then connect tap water through the tap water connector 8, open the tap water valve 801 to put an appropriate amount of water into the bottom of the heat preservation inner box 1 and then close it. Then start the heating wire 7 to heat the water, and at the same time seal and lock the box door 10. When the water inside boils, start the high-pressure circulation pump 601. The high-pressure circulation pump 601 sucks the boiling water inside the heat preservation inner box 1 into the introduction conduit 602, and then discharges it into the diversion conduits 301 on both sides through the two discharge pipes 603 respectively, and sprays it onto the inner wall of the heat preservation inner box 1 and the embedded placement rack through the dispersion discharge holes 303 on the arc-shaped diversion box 302. In this way, high-pressure flushing can be carried out while achieving high-temperature disinfection. During cleaning, the staff needs to first control the control panel 9 to drive the transmission rod 508 through the servo motor 507 to close the first valve 505 and the two second valves 506. After cleaning, open the discharge valve 604 to discharge the cleaned water into the sewer, then close the discharge valve 604, and then open the first valve 505 and the second valves 506. Turn on the refrigeration function of the refrigerator. The air blower group 502 sucks the air inside the heat preservation inner box 1 into the heat exchange box 501 for heat exchange, and then the cold air is discharged into the heat preservation inner box 1 through the discharge pipe 504. In this way, the refrigerator after disinfection and cleaning can be opened for use.

[0022] The above shows and describes the basic principles, main features and advantages of the present utility model. Those skilled in the art of this industry should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A sample storage refrigerator for a laboratory that is convenient for cleaning, characterized in that: It includes a heat-insulating inner box (1), an outer box (2) is fixedly installed on the outer surface of the heat-insulating inner box (1), shared diversion structures (3) are fixedly installed on both sides inside the heat-insulating inner box (1), bracket fixing bars (4) are fixedly installed in front of and behind the shared diversion structures (3) inside the heat-insulating inner box (1), an internal circulation refrigeration structure (5) is fixedly installed on the upper surface of the heat-insulating inner box (1), a circulation cleaning structure (6) is fixedly installed on the lower surface of the heat-insulating inner box (1), a heating wire (7) is fixedly installed on the lower surface inside the heat-insulating inner box (1), a tap water connector (8) is connected to one side surface of the heat-insulating inner box (1), a control panel (9) is fixedly installed on the front surface of the outer box (2), and a box door (10) is movably installed on one side edge of the front port of the outer box (2) through a hinge.

2. The sample storage refrigerator for a laboratory that is convenient for cleaning according to claim 1, wherein: The shared diversion structure (3) includes a diversion pipe (301), an arc-shaped shunt box (302) and dispersed outlet holes (303). The arc-shaped shunt boxes (302) are fixedly installed on the surface of the diversion pipe (301). Dispersed outlet holes (303) are formed on the arc surface of the arc-shaped shunt box (302). There are multiple arc-shaped shunt boxes (302), which are evenly arranged on the surface of the diversion pipe (301), and multiple dispersed outlet holes (303) are formed on the arc surface of each arc-shaped shunt box (302).

3. The convenient-to-clean sample storage refrigerator for a laboratory according to claim 2, characterized in that: The internal circulation refrigeration structure (5) includes a heat exchange box (501), a fan group (502), an inlet pipe (503), an outlet pipe (504), a first valve (505), a second valve (506), a servo motor (507) and a transmission rod (508). The fan group (502) is fixedly connected to the front surface of the heat exchange box (501). The inlet pipe (503) is connected to the front surface of the fan group (502). Outlet pipes (504) are connected to both sides of the front surface of the heat exchange box (501). The other ends of the inlet pipes (503) are communicated with the inside of the heat-insulating inner box (1). The other ends of the outlet pipes (504) are communicated with the inside of the diversion pipe (301). The first valve (505) and the second valve (506) are respectively connected to the surfaces of the inlet pipe (503) and the outlet pipe (504). The valve stems of the first valve (505) and the second valve (506) are connected in series by the transmission rod (508), and one end of the transmission rod (508) is connected to the output end of the servo motor (507).

4. The sample storage refrigerator for a laboratory, which is convenient for cleaning, according to claim 3, is characterized in that: The circulation cleaning structure (6) includes a high-pressure circulation pump (601), an inlet conduit (602), an outlet pipe (603) and a discharge valve (604). The inlet of the high-pressure circulation pump (601) is connected to the inlet conduit (602). The outlets on both sides of the high-pressure circulation pump (601) are connected to the outlet pipe (603). One end of the discharge valve (604) is communicated with the surface of the inlet conduit (602).

5. The sample storage refrigerator for a laboratory which is convenient for cleaning according to claim 4, wherein: The other ends of the two outlet pipes (603) are respectively communicated with the lower ends of the two diversion pipes (301).

6. The sample storage refrigerator for a laboratory which is convenient for cleaning according to claim 5, wherein: A water tap valve (801) is connected to the surface of the water tap connector (8), and positioning card slots (401) are formed in the surfaces of the bracket fixing strips (4). A plurality of the positioning card slots (401) are formed in the surface of each of the bracket fixing strips (4).

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