Liquid nitrogen tank with liquid detection function

Abstract

The utility model relates to the technical field of liquid nitrogen tanks, and provides a liquid nitrogen tank with a liquid detection function, which comprises a liquid nitrogen tank, a fixed base arranged at the bottom of the liquid nitrogen tank, a plurality of circular sliding rods movably penetrating through the fixed base in sequence, and a plurality of circular springs fixedly mounted on the fixed base in sequence, the multiple springs and the multiple sliding rods are arranged in a crossed mode. The weighing sensor is used for carrying out cavity weighing on liquid in the liquid nitrogen tank, displaying and recording are carried out through the display screen controller, when liquid is injected into the liquid nitrogen tank, detection is carried out through the weighing sensor, information is transmitted to the display screen controller for displaying and recording, and therefore the purpose of detecting the interior of the liquid nitrogen tank is achieved; the display screen controller sets the weight of liquid added into the liquid nitrogen tank, after the weight is reached, the audible and visual alarm gives an alarm for reminding, and when the weight of the liquid in the liquid nitrogen tank is smaller than the set weight, the audible and visual alarm gives an alarm for reminding, so that the use efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model liquid nitrogen tank technical field, specifically relates to a liquid nitrogen tank with detect liquid function. BACKGROUND

[0002] Liquid nitrogen tank is the cell storage engineering commonly used utensil, and most of the current existing cell storage tank is composed of inner container and outer container, and the vacuum interlayer is formed between the inner container and the outer container, the heat transfer coefficient is reduced through the vacuum interlayer, the inner container is kept low temperature, the cell is placed in the bottom of the inner container through the special storage container, and the liquid nitrogen is filled in the inner container and is used for low temperature preservation cell.But when using the storage container to place the cell, the cell bottle is easy to be turned over, and the cell sample falls in the bottom of the liquid nitrogen tank, and the liquid nitrogen tank is polluted.

[0003] Such as the publication number CN205357945U proposes a kind of liquid nitrogen tank, including tank body and tank cover, the tank body and the tank cover detachably connect, multiple freeze storage devices are located in the tank body;The tank body is also provided with blocking device, the blocking device includes blocking plate and handle fixed on the blocking plate, the blocking plate is located below multiple freeze storage devices.The utility model is simple in structure, novel in design, convenient to use, by being provided with blocking device in liquid nitrogen tank, when cell container falls out from freeze storage device, blocking device can receive cell container, prevent cell from polluting liquid nitrogen tank.

[0004] However, in the implementation of the related technology, it is found that the above-mentioned liquid nitrogen tank has the following problems: during the use of the liquid nitrogen tank, the liquid level of the liquid nitrogen in the tank needs to be monitored at any time, so as to supplement the liquid nitrogen in the tank in time, and ensure the activity of the sample. At present, the liquid level of the liquid nitrogen tank is measured by a long stick or a liquid level gauge, which is the most traditional method. Find a liquid level gauge or a solid wood stick, insert it into the center of the bottom of the liquid nitrogen tank container, wait for 10-15 seconds, and then take it out. The length of the frost observed is the height of the liquid level. This method is labor-saving, but it cannot guarantee the accuracy of the data. Therefore, a liquid nitrogen tank with liquid detection function is proposed. Utility model content

[0005] The utility model proposes a kind of liquid nitrogen tank with detect liquid function, solve the problem that a root liquid level gauge or solid wood stick is inserted into the center of the bottom of the liquid nitrogen tank container, waits for 10-15 seconds, and then takes it out. The length of the frost observed is the height of the liquid level. This method is labor-saving, but it cannot guarantee the accuracy of the data.

[0006] The utility model discloses a technical scheme as follows: A liquid nitrogen tank with liquid detection function, comprising: a liquid nitrogen tank and a fixed base arranged at the bottom of the liquid nitrogen tank, a plurality of slide rods in circular shape are sequentially movably penetrated on the fixed base, a plurality of springs in circular shape are sequentially fixedly installed on the fixed base, a plurality of the springs and a plurality of the slide rods are cross arranged between them.

[0007] The top end of the plurality of springs and the plurality of slide rods is fixedly connected with the bottom of the liquid nitrogen tank.

[0008] A weighing sensor is fixedly installed at the top center of the fixed base.

[0009] A display screen controller is fixedly installed on one side of the top of the liquid nitrogen tank, a protective frame is arranged on the outside of the display screen controller, and an audible and visual alarm is fixedly installed on one side of the protective frame.

[0010] The audible and visual alarm, the weighing sensor and the display screen controller are electrically connected.

[0011] Four mounting grooves are formed at the bottom of the fixed base, and a universal wheel is fixedly installed in each of the four mounting grooves.

[0012] Preferably, a liquid taking mechanism is arranged on one side of the liquid nitrogen tank, the liquid taking mechanism comprises a liquid nitrogen pump fixedly installed on one side of the top of the liquid nitrogen tank, and the input end of the liquid nitrogen pump extends to the inside of the liquid nitrogen tank through a pipeline.

[0013] Preferably, a conveying pipe is fixedly connected to the output end of the liquid nitrogen pump, and an output head is fixedly connected to one end of the conveying pipe.

[0014] Preferably, a lower protective shell is fixedly installed on the outer wall of the liquid nitrogen tank, an upper protective shell is fixedly installed at the top of the lower protective shell, two fixed clamps are fixedly and symmetrically installed on the outer wall of the upper protective shell, and the two fixed clamps are clamped with the conveying pipe.

[0015] Preferably, a circular frame is fixedly installed at the top of the liquid nitrogen tank, a cover plate is hingedly connected to the top of the circular frame, and a hand holding groove is formed at the top of the cover plate.

[0016] Preferably, a sealing cover is threadedly connected to the top of the liquid nitrogen tank, the sealing cover is located in the inside of the circular frame, and a handle is fixedly installed above the outer wall of the liquid nitrogen tank.

[0017] The working principle and beneficial effects of the utility model are as follows:

[0018] One, through the weighing sensor for the liquid in the liquid nitrogen tank cavity weighing, and through the display screen controller display record, when the liquid nitrogen tank inside injection liquid, through the weighing sensor detection, and the information transmission display screen controller display record, so as to realize the purpose of liquid nitrogen tank inside detection, display screen controller set liquid nitrogen tank inside liquid weight, when the weight reaches, sound and light alarm alarm, when the liquid in the liquid nitrogen tank is less than the set weight, the sound and light alarm alarm, thereby improving the use efficiency.

[0019] Two, through the liquid nitrogen pump to extract the liquid in the liquid nitrogen tank, the extracted liquid is transported through the conveying pipe, and the transported liquid is discharged through the output head, for taking out the liquid in the liquid nitrogen tank for use, effectively facilitating the use of experimenters. BRIEF DESCRIPTION OF DRAWINGS

[0020] The utility model makes further detailed explanation in combination with the specific embodiment and the drawing.

[0021] Figure 1 The overall three-dimensional structure diagram is provided for the utility model;

[0022] Figure 2 The side view three-dimensional structure diagram is provided for the utility model;

[0023] Figure 3 The cross-sectional three-dimensional structure diagram of the liquid nitrogen tank is provided for the utility model;

[0024] In the drawing: 1, liquid nitrogen tank; 2, fixed base; 3, sliding rod; 4, spring; 5, weighing sensor; 6, installation groove; 7, universal wheel; 8, lower protective shell; 9, upper protective shell; 10, liquid taking mechanism; 101, liquid nitrogen pump; 102, conveying pipe; 103, output head; 11, display screen controller; 12, protective frame; 13, sound and light alarm; 14, handle; 15, sealing cover; 16, circular frame; 17, cover plate; 18, holding hand groove; 19, fixed card. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are involved in the protection scope of the utility model.

[0026] Embodiment one

[0027] Please refer to Figure 1 - Figure 3The utility model provides a liquid nitrogen tank with the function of detecting liquid, which comprises a liquid nitrogen tank 1 and a fixed base 2 arranged at the bottom of the liquid nitrogen tank 1, a plurality of slide rods 3 in circular shape are sequentially movably penetrated on the fixed base 2, a plurality of springs 4 in circular shape are sequentially fixedly installed on the fixed base 2, and the plurality of springs 4 and the plurality of slide rods 3 are cross arranged.

[0028] The top ends of the plurality of springs 4 and the plurality of slide rods 3 are fixedly connected with the bottom of the liquid nitrogen tank 1.

[0029] A load cell 5 is fixedly installed at the top center of the fixed base 2.

[0030] A display screen controller 11 is fixedly installed on one side of the top of the liquid nitrogen tank 1, a protective frame 12 is arranged outside the display screen controller 11, and an audible and visual alarm 13 is fixedly installed on one side of the protective frame 12.

[0031] The audible and visual alarm 13, the load cell 5 and the display screen controller 11 are electrically connected.

[0032] Four mounting grooves 6 are formed in the bottom of the fixed base 2, and a universal wheel 7 is fixedly installed in each of the four mounting grooves 6.

[0033] The liquid nitrogen tank with the function of detecting liquid provided by the utility model is used to weigh the liquid in the cavity of the liquid nitrogen tank 1 through the load cell 5 and display and record the weight through the display screen controller 11, and when the liquid nitrogen tank 1 is filled with liquid, the load cell 5 is used to detect the weight of the liquid and transmit the information to the display screen controller 11 for display and recording, so that the purpose of detecting the liquid in the liquid nitrogen tank 1 is achieved.

[0034] The weight of the liquid in the liquid nitrogen tank 1 can be set through the display screen controller 11, the audible and visual alarm 13 is used to give an alarm when the weight reaches the set weight, and the audible and visual alarm 13 is used to give an alarm when the weight of the liquid in the liquid nitrogen tank 1 is less than the set weight, so that the use efficiency is improved.

[0035] Further, a lower protective shell 8 is fixedly installed on the outer wall of the liquid nitrogen tank 1, an upper protective shell 9 is fixedly installed on the top of the lower protective shell 8, two fixed clamps 19 are fixedly and symmetrically installed on the outer wall of the upper protective shell 9, the two fixed clamps 19 are clamped with the conveying pipe 102, a circular frame 16 is fixedly installed on the top of the liquid nitrogen tank 1, a cover plate 17 is hingedly connected to the top of the circular frame 16, a hand holding groove 18 is formed in the top of the cover plate 17, a sealing cover 15 is threadedly connected to the top of the liquid nitrogen tank 1 and located in the circular frame 16, and a handle 14 is fixedly installed on the upper part of the outer wall of the liquid nitrogen tank 1.

[0036] Specific, the lower protective shell 8, for the bottom of the liquid nitrogen tank 1 protection, the upper protective shell 9, for the top of the liquid nitrogen tank 1 protection, effectively prevent external objects from hitting the liquid nitrogen tank 1, effectively improve the safety of the liquid nitrogen tank 1 use;

[0037] Through the fixed card 19, for the delivery pipe 102 is clamped and fixed, effectively prevent the delivery pipe 102 messy step bad;

[0038] Through the circular frame 16 cooperation cover plate 17, for the sealing cover 15 is sealed, effectively on the sealing cover 15 protection;

[0039] Through the handle 14, it is convenient to lift the liquid nitrogen tank 1.

[0040] Embodiment two

[0041] Based on the first embodiment, in this embodiment includes: the liquid nitrogen tank 1 side is provided with liquid taking mechanism 10, the liquid taking mechanism 10 includes fixedly installed on the top of the liquid nitrogen tank 1 one side of the liquid nitrogen pump 101, the input end of the liquid nitrogen pump 101 extends to the inside of the liquid nitrogen tank 1 through the pipeline, the output end of the liquid nitrogen pump 101 is fixedly connected with the delivery pipe 102, one end of the delivery pipe 102 is fixedly connected with the output head 103.

[0042] The technical scheme provided by the embodiment is: when using, the liquid nitrogen pump 101 is started, the liquid nitrogen pump 101 extracts the liquid in the liquid nitrogen tank 1, the extracted liquid is transported through the delivery pipe 102, and the transported liquid is discharged through the output head 103, which is used for taking out the liquid in the liquid nitrogen tank 1 for use, effectively facilitating the use of experimenters.

[0043] The above is only the preferred embodiment of the present application, and does not limit the present application, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application, should be included in the protection scope of the present application.

Claims

1. A liquid nitrogen tank with liquid detection function, characterized in that, The utility model relates to a liquid nitrogen tank (1) and the fixed base (2) of setting in the bottom of liquid nitrogen tank (1), a plurality of slide bars (3) are circularly and movably penetrated on the fixed base (2), a plurality of springs (4) are circularly and fixedly installed on the fixed base (2), and a plurality of springs (4) are cross arranged between a plurality of slide bars (3). The top end of a plurality of springs (4) and a plurality of slide bars (3) are fixedly connected with the bottom of the liquid nitrogen tank (1). A load cell (5) is fixedly installed at the top center of the fixed base (2). A display screen controller (11) is fixedly installed on one side of the top of the liquid nitrogen tank (1), a protective frame (12) is arranged outside the display screen controller (11), and an audible and visual alarm (13) is fixedly installed on one side of the protective frame (12). The audible and visual alarm (13), the load cell (5) and the display screen controller (11) are electrically connected. Four mounting grooves (6) are formed in the bottom of the fixed base (2), and a universal wheel (7) is fixedly installed in each of the four mounting grooves (6). A liquid taking mechanism (10) is arranged on one side of the liquid nitrogen tank (1), the liquid taking mechanism (10) comprises a liquid nitrogen pump (101) fixedly installed on one side of the top of the liquid nitrogen tank (1), and the input end of the liquid nitrogen pump (101) extends to the inside of the liquid nitrogen tank (1) through a pipeline.

2. The liquid nitrogen tank with liquid detection function according to claim 1, characterized in that: The output end of the liquid nitrogen pump (101) is fixedly connected with a conveying pipe (102), and one end of the conveying pipe (102) is fixedly connected with an output head (103).

3. The liquid nitrogen tank with liquid detection function according to claim 2, characterized in that: A lower protective shell (8) is fixedly installed on the outer wall of the liquid nitrogen tank (1), an upper protective shell (9) is fixedly installed on the top of the lower protective shell (8), two fixed clamps (19) are fixedly installed on the outer wall of the upper protective shell (9) in a symmetrical manner, and the two fixed clamps (19) are clamped with the conveying pipe (102).

4. The liquid nitrogen tank with liquid detection function according to claim 3, characterized in that: A circular frame (16) is fixedly installed on the top of the liquid nitrogen tank (1), a cover plate (17) is hingedly connected to the top of the circular frame (16), and a hand holding groove (18) is formed in the top of the cover plate (17).

5. The liquid nitrogen tank with a function of detecting liquid according to claim 1, wherein: A sealing cover (15) is threadedly connected to the top of the liquid nitrogen tank (1), and the sealing cover (15) is located in the inside of the circular frame (16), and a handle (14) is fixedly installed above the outer wall of the liquid nitrogen tank (1).

6. The liquid nitrogen tank with liquid detection function according to claim 5, characterized in that: ​

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