Automatic intelligent liquid nitrogen container storing and taking frame

Abstract

The utility model discloses an automatic intelligent liquid nitrogen container storing and taking frame which comprises a rotating base, a plurality of sensors are fixedly installed on the edge of the upper surface of the rotating base, a microcontroller used for automatic control is further fixedly installed in the rotating base, and a plurality of liquid nitrogen container containing bases are fixedly connected to the upper surface of the rotating base. Two fixing clamping blocks for clamping and fixing a liquid nitrogen container are arranged on the upper surface of the liquid nitrogen container containing base, the opposite sides of the two fixing clamping blocks are arc faces matched with a liquid nitrogen container body, rubber pads are fixedly connected to the two arc faces, and first guide assemblies are arranged at the two ends of the lower surface of each fixing clamping block. A mounting cavity is formed in the liquid nitrogen tank placing seat, and a driving mechanism for driving the two fixed clamping blocks to be close to or far away from each other is arranged in the mounting cavity. According to the utility model, the fixed clamping blocks for fixing the liquid nitrogen tank can be automatically and intelligently controlled, so that the liquid nitrogen tank can be conveniently stored and taken, and time and labor are saved during storage and taking.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid nitrogen tank storage and retrieval equipment, in particular to an automatic intelligent liquid nitrogen tank storage and retrieval rack. Background Art

[0002] Liquid nitrogen tanks are containers designed specifically for storing and transporting liquid nitrogen. Due to its extremely low temperature, special containers are required to ensure its stability and safety. Liquid nitrogen tanks are usually made of stainless steel or aluminum alloy. Liquid nitrogen tanks have a wide range of applications, covering the biomedical field (such as animal semen preservation, biological sample storage), the medical industry (refrigeration and cryotherapy, freezing of surgical instruments), scientific research (cell culture, low-temperature experiments), the food industry (rapid freezing of food), metal processing (deep freezing treatment to improve material properties), and the beauty industry (cryotherapy).

[0003] The Chinese utility model patent application number 202021198133.1 discloses a sample storage and retrieval rack for pathological tests. Although the utility model supports the four sides of the sample can by setting a support frame, and at the same time inputs the air in the drum-shaped rubber into the extrusion airbag through the weight of the sample can, the inflated airbag expands toward the sample can, pressing the side wall of the sample can, avoiding the arc support plate from crushing the side wall of the sample can and enhancing the support effect, adaptively supporting sample cans of different weights stably, avoiding the shaking or even tipping of other cans during the process of rotating the rotating base to place the sample can, and having better safety and stronger practicality. However, when storing the sample can, the utility model needs to press the sample can downward from the top of multiple arc support plates, and when taking out the sample can, the sample can needs to be lifted up, which is inconvenient and time-consuming and labor-intensive. Utility Model Content

[0004] The purpose of the utility model is to provide an automatic intelligent liquid nitrogen tank storage and retrieval rack to solve the technical problems of inconvenient storage and retrieval of sample tanks in the prior art, and time-consuming and labor-intensive storage and retrieval.

[0005] To achieve the above purpose, the present invention adopts the following technical solutions:

[0006] The invention relates to an automatic intelligent liquid nitrogen tank storage and retrieval rack, comprising a rotating base, wherein a plurality of sensors are fixedly mounted on the edge of the upper surface of the rotating base, a microcontroller for automatic control is also fixedly mounted in the rotating base, a plurality of liquid nitrogen tank placement seats are fixedly connected to the upper surface of the rotating base, a liquid nitrogen tank positioning groove adapted to the bottom of the liquid nitrogen tank is provided in the middle portion of the upper surface of the liquid nitrogen tank placement seat, two fixing clamps for clamping the liquid nitrogen tank are provided on the upper surface of the liquid nitrogen tank placement seat, opposite sides of the two fixing clamps are arranged to be arcuate surfaces adapted to the tank body of the liquid nitrogen tank, and rubber pads are fixedly connected to the two arcuate surfaces, a first guide assembly is provided at both ends of the lower surface of each fixing clamp, an installation cavity is provided in the liquid nitrogen tank placement seat, and a driving mechanism for driving the two fixing clamps to move closer to or away from each other is provided in the installation cavity.

[0007] Furthermore, the sensor is an infrared sensor including a transmitter and a receiver.

[0008] Furthermore, the plurality of liquid nitrogen tank placement seats correspond one-to-one to the plurality of sensors, respectively, the sensors are located in the middle of the outer side of the liquid nitrogen tank placement seat, and the plurality of liquid nitrogen tank placement seats and the plurality of sensors are distributed in a circular array around the axis of the rotating base.

[0009] Furthermore, the first guide assembly includes a first slide rail and a first slider, the first slide rail is fixedly connected to the upper surface of the liquid nitrogen tank placement seat, the first slider is fixedly connected to the lower surface of the fixed clamping block, and the first slider is slidably connected to the first slide rail.

[0010] Furthermore, the driving mechanism includes a motor, a bidirectional screw and two transmission blocks, the motor is fixedly mounted at one end inside the liquid nitrogen tank placement seat, one end of the bidirectional screw is fixedly connected to the rotating shaft of the motor, and the other end of the bidirectional screw is rotatably connected to the liquid nitrogen tank placement seat through a bearing, and the bottoms of the two transmission blocks are provided with threaded holes for use with the bidirectional screws, and the two transmission blocks are respectively threadedly connected to the two ends of the bidirectional screws, and the upper surface of the liquid nitrogen tank placement seat is provided with a through groove communicating with the installation cavity, the top of the transmission block passes through the through groove and is fixedly connected to the bottom of the fixed clamping block, and the bottom of the transmission block is provided with a second guide assembly.

[0011] Furthermore, the second guide assembly includes a second slide rail and a second slider, the lower surface of the second slide rail is fixedly connected to the liquid nitrogen tank placement seat, the second slider is fixedly connected to the lower surface of the transmission block, and the second slider slides on the second slide rail.

[0012] The beneficial effects of the utility model are as follows:

[0013] 1. The utility model can automatically and intelligently control the fixing block for fixing the liquid nitrogen tank through the coordinated use of a sensor, a microcontroller, a liquid nitrogen tank placement seat, a fixing clamp, a rubber pad, a first guide assembly and a driving mechanism, so as to facilitate the storage and retrieval of the liquid nitrogen tank, saving time and effort.

[0014] 2. The utility model is provided with a first slide rail and a first slider, which can guide the movement of the fixed clamping block, thereby facilitating the stable movement of the fixed clamping block; and is provided with a second slide rail and a second slider, which can guide the movement of the transmission block, thereby facilitating the stable movement of the transmission block. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is the main view of the present utility model.

[0016] Figure 2 It is a top view of the utility model.

[0017] Figure 3 For this utility model Figure 2 Schematic diagram of the cross section of the AA-to-liquid nitrogen tank placement seat.

[0018] Explanations in the figure: 1. Rotating base; 2. Liquid nitrogen tank placement seat; 3. Sensor; 4. Liquid nitrogen tank positioning groove; 5. Fixed clamp; 6. Rubber pad; 7. First slide rail; 8. First slider; 9. Motor; 10. Bidirectional screw; 11. Transmission block; 12. Through slot; 13. Second slide rail; 14. Second slider. DETAILED DESCRIPTION

[0019] To make the above-mentioned objects, features, and advantages of the present invention more understandable, the following detailed description of specific embodiments of the present invention is provided in conjunction with the accompanying drawings. The following description sets forth many specific details to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways than those described herein, and those skilled in the art may make similar improvements without violating the scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0020] In the description of the present invention, it should be understood that the terms up, down, front, back, left, right, top, bottom, inside, outside, etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the present invention.

[0021] The examples are as follows:

[0022] See also Figure 1-3, an automatic intelligent liquid nitrogen tank storage and retrieval rack, comprising a rotating base 1, a plurality of sensors 3 are fixedly installed on the edge of the upper surface of the rotating base 1, the sensor 3 is an infrared sensor (equivalent to the working principle of an automatic wash basin), comprising a transmitter and a receiver, the transmitter is used to emit an infrared beam in a specific direction, usually 830nm-950nm invisible light, the receiver is used to receive and detect the infrared light signal reflected back by a hand or other object, a microcontroller for automatic control is also fixedly installed in the rotating base 1, the sensor 3 is connected to the microcontroller through a wire, and the microcontroller is connected to the power supply through a wire, the microcontroller is the main control MCU, responsible for processing the signal received by the receiver, judging whether there is a hand or other object, and sending corresponding control instructions to the motor 9 according to the program setting, the main control MCU can be programmed according to different application requirements to realize various automatic control, data processing, communication and other functions, it is usually used to build various intelligent control systems, a plurality of liquid nitrogen tank placement seats 2 are fixedly connected to the upper surface of the rotating base 1, and the plurality of liquid nitrogen tank placement seats 2 correspond to the plurality of sensors 3 one by one, and the sensor 3 is located at the liquid nitrogen tank placement In the middle of the outer side of the seat 2, multiple liquid nitrogen tank placement seats 2 and multiple sensors 3 are distributed in a ring array around the axis of the rotating base 1. A liquid nitrogen tank positioning groove 4 adapted to the bottom of the liquid nitrogen tank is provided in the middle of the upper surface of the liquid nitrogen tank placement seat 2, which is convenient for positioning the storage and access position of the liquid nitrogen tank. The upper surface of the liquid nitrogen tank placement seat 2 is provided with two fixed clamping blocks 5 for clamping the liquid nitrogen tank. The opposite sides of the two fixed clamping blocks 5 are both set to arc surfaces adapted to the tank body of the liquid nitrogen tank. The structural design is reasonable, which is convenient for clamping and fixing the liquid nitrogen tank, and rubber pads 6 are fixedly connected to the two arc surfaces, which can To protect the liquid nitrogen tank and avoid damaging the liquid nitrogen tank, a first guide assembly is provided at both ends of the lower surface of each fixed clamping block 5, and the first guide assembly includes a first slide rail 7 and a first slider 8. The first slide rail 7 is fixedly connected to the upper surface of the liquid nitrogen tank placement seat 2, and the first slider 8 is fixedly connected to the lower surface of the fixed clamping block 5. The first slider 8 is slidably connected to the first slide rail 7, which can guide the movement of the fixed clamping block 5, so that the fixed clamping block 5 can move stably. An installation cavity is opened in the liquid nitrogen tank placement seat 2, and a driving mechanism for driving the two fixed clamping blocks 5 to move closer to or away from each other is provided in the installation cavity.

[0023] As an optional technical solution of the present invention: the driving mechanism includes a motor 9, a bidirectional screw 10 and two transmission blocks 11. The motor 9 is fixedly mounted at one end of the liquid nitrogen tank placement seat 2. The motor 9 is connected to the microcontroller through a wire. One end of the bidirectional screw 10 is fixedly connected to the rotating shaft of the motor 9. The other end of the bidirectional screw 10 is rotatably connected to the liquid nitrogen tank placement seat 2 through a bearing. The bottoms of the two transmission blocks 11 are provided with threaded holes for use with the bidirectional screw 10. The two transmission blocks 11 are respectively threadedly connected to the two ends of the bidirectional screw 10. When the bidirectional screw 10 rotates, the two transmission blocks 11 simultaneously make contact with each other. For movement near or far, a through slot 12 communicating with the mounting cavity is provided on the upper surface of the liquid nitrogen tank placement seat 2. The top of the transmission block 11 passes through the through slot 12 and is fixedly connected to the bottom of the fixed clamping block 5. A second guide assembly is provided at the bottom of the transmission block 11. The second guide assembly includes a second slide rail 13 and a second slider 14. The lower surface of the second slide rail 13 is fixedly connected to the liquid nitrogen tank placement seat 2. The second slider 14 is fixedly connected to the lower surface of the transmission block 11. The second slider 14 slides on the second slide rail 13, which can guide the movement of the transmission block 11, so that the transmission block 11 can move stably along the length direction of the bidirectional screw 10.

[0024] To sum up: when storing the liquid nitrogen tank, the liquid nitrogen tank first passes over the sensor 3. When the receiver of the sensor 3 detects the object signal, the signal is fed back to the microcontroller. The microcontroller processes the received signal and sends an opening instruction to the motor 9. When the motor 9 receives the opening signal sent by the microcontroller, the motor 9 rotates forward, and the motor 9 drives the bidirectional screw 10 to rotate. The bidirectional screw 10 is threadedly connected with the two transmission blocks 11, so that the two transmission blocks 11 move away from each other at the same time along the length direction of the bidirectional screw 10. The two transmission blocks 11 respectively drive the two fixed clamping blocks 5 to move away from each other at the same time. At this time, the bottom of the liquid nitrogen tank is placed on the liquid nitrogen tank positioning slot 4, and then the hand leaves the liquid nitrogen tank. When the sensor 3 cannot detect the object signal, the signal The sensor 3 is fed back to the microcontroller, which processes the received signal and sends a closing instruction to the motor 9. When the motor 9 receives the closing signal sent by the microcontroller, the motor 9 rotates in the opposite direction, thereby causing the two transmission blocks 11 to move closer to each other along the length direction of the bidirectional screw 10 at the same time. The two transmission blocks 11 respectively drive the two fixed clamping blocks 5 to move closer to each other at the same time, and the two fixed clamping blocks 5 clamp the liquid nitrogen tank. When the liquid nitrogen tank is taken away, the hand passes over the sensor 3. When the sensor 3 detects an object signal, the two fixed clamping blocks 5 move away from the liquid nitrogen tank, releasing the clamping of the liquid nitrogen tank, and the liquid nitrogen tank can be taken away. By automatically and intelligently controlling the fixed clamping blocks 5 that fix the liquid nitrogen tank, the liquid nitrogen tank can be stored and retrieved conveniently, saving time and effort.

[0025] It should be noted that the sensor 3, microcontroller and motor 9 in the present invention all adopt existing mature technologies. Those skilled in the art can select corresponding specifications and models according to actual needs. The microcontroller can select the mainstream main control MCU products on the market, such as STMicroelectronics' STM32 series, NXP's LPC series, Renesas' RX series, TI's MSP430 series, etc.

[0026] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is limited by the appended claims rather than the above description. Therefore, it is intended that all changes that fall within the meaning and scope of the equivalent elements of the claims are included in the present invention, and any figure marks in the claims should not be regarded as limiting the claims involved.

[0027] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. An automatic intelligent liquid nitrogen tank storage and retrieval rack, comprising a rotating base, a plurality of sensors are fixedly installed at the edge of the upper surface of the rotating base, and a microcontroller for automatic control is also fixedly installed in the rotating base, characterized in that: A plurality of liquid nitrogen tank placement seats are fixedly connected to the upper surface of the rotating base, a liquid nitrogen tank positioning groove adapted to the bottom of the liquid nitrogen tank is provided in the middle of the upper surface of the liquid nitrogen tank placement seat, two fixed clamping blocks for clamping and fixing the liquid nitrogen tank are provided on the upper surface of the liquid nitrogen tank placement seat, opposite sides of the two fixed clamping blocks are arranged as arc surfaces adapted to the tank body of the liquid nitrogen tank, and rubber pads are fixedly connected to the two arc surfaces, first guide components are provided on both ends of the lower surface of each of the fixed clamping blocks, an installation cavity is provided in the liquid nitrogen tank placement seat, and a driving mechanism for driving the two fixed clamping blocks to move closer to or away from each other is provided in the installation cavity.

2. The automatic intelligent liquid nitrogen tank storage and retrieval rack according to claim 1 is characterized in that: The sensor is an infrared sensor, comprising a transmitter and a receiver.

3. The automatic intelligent liquid nitrogen tank storage and retrieval rack according to claim 1 is characterized in that: The plurality of liquid nitrogen tank seats correspond to the plurality of sensors one by one respectively. The sensors are located in the middle of the outer side of the liquid nitrogen tank seat. The plurality of liquid nitrogen tank seats and the plurality of sensors are distributed in a circular array around the axis of the rotating base.

4. The automatic intelligent liquid nitrogen tank storage and retrieval rack according to claim 1 is characterized in that: The first guide assembly includes a first slide rail and a first slider, the first slide rail is fixedly connected to the upper surface of the liquid nitrogen tank placement seat, the first slider is fixedly connected to the lower surface of the fixed clamp block, and the first slider is slidably connected to the first slide rail.

5. The automatic intelligent liquid nitrogen tank storage and retrieval rack according to claim 1 is characterized in that: The driving mechanism includes a motor, a bidirectional screw and two transmission blocks, the motor is fixedly mounted at one end inside the liquid nitrogen tank placement seat, one end of the bidirectional screw is fixedly connected to the rotating shaft of the motor, and the other end of the bidirectional screw is rotatably connected to the liquid nitrogen tank placement seat through a bearing, and the bottoms of the two transmission blocks are provided with threaded holes used in conjunction with the bidirectional screws, and the two transmission blocks are respectively threadedly connected to the two ends of the bidirectional screws, and the upper surface of the liquid nitrogen tank placement seat is provided with a through groove connected to the installation cavity, the top of the transmission block passes through the through groove and is fixedly connected to the bottom of the fixed clamping block, and the bottom of the transmission block is provided with a second guide assembly.

6. The automatic intelligent liquid nitrogen tank storage and retrieval rack according to claim 5 is characterized by: The second guide assembly includes a second slide rail and a second slider, the lower surface of the second slide rail is fixedly connected to the liquid nitrogen tank placement seat, the second slider is fixedly connected to the lower surface of the transmission block, and the second slider slides on the second slide rail.

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