CN212081672U

CN212081672U - Rapid freezing instrument for rapid refrigeration of pathological specimen

Info

Publication number: CN212081672U
Application number: CN202020757881.2U
Authority: CN
Inventors: 肖永华; 熊灿
Original assignee: Guangdong Jinquan Medical Technology Co ltd
Current assignee: Guangdong Jinquan Medical Technology Co ltd
Priority date: 2020-05-10
Filing date: 2020-05-10
Publication date: 2020-12-04
Anticipated expiration: 2030-05-10

Abstract

The utility model discloses a quick freezing appearance for pathology sample is cryogenic fast, including organism, stirling refrigerator and refrigeration ring, there is the stirling refrigerator bottom middle part in the organism through bolted connection, the stirling refrigerator top is connected with through the draw-in groove the refrigeration ring. Has the advantages that: the utility model discloses a set up the stirling refrigerator, the refrigeration ring, can make organism compact structure, the cooling rate is fast, the minimum degradable temperature value is low, can reduce to-80 ℃ in 10 minutes, the vibration is little, the low characteristics of noise, can improve the cooling efficiency of cryoscope, satisfy the quick freezing demand of sample preparation, the pathological doctor's diagnosis of being convenient for, through setting up shock attenuation bolt, shock attenuation hasp and shock attenuation callus on the sole, can the vibration that absorbing device produced at work, avoid on the vibration conducts the instrument housing, reduce whole vibrations, the result of use of the improvement device.

Description

Rapid freezing instrument for rapid refrigeration of pathological specimen

Technical Field

The utility model relates to a medical treatment is with quick freezing appearance technical field, concretely relates to be used for quick refrigerated quick freezing appearance of pathology sample.

Background

The quick freezing instrument product is mainly applied to an instrument in a freezing section link in a specimen preparation process in a pathology department of a hospital, and particularly when a doctor needs to carry out specimen preparation and section pathological analysis on soft tissues, the instrument can be used for improving specimen preparation efficiency, making the specimens simpler, improving the quality of the prepared specimens and reducing the misdiagnosis rate of the doctor in reading the specimens.

At present, a pathology department is mainly used for preparing a frozen section preparation sample on a freezing microtome, the freezing microtome has the following defects that the lowest temperature of the equipment is generally about-40 ℃, the efficiency is too low when the equipment is used for preparing the frozen section, the living body sample is easy to form ice crystals in the preparation process, the diagnosis of a pathologist is not facilitated, the misjudgment is easy to occur, in addition, the equipment can generate certain vibration in the working engineering, the noise is generated, and the using effect of the device is reduced.

Disclosure of Invention

Technical problem to be solved

In order to overcome the defects of the prior art, the rapid freezer for rapidly refrigerating the pathological specimen is provided, and the problems that the lowest temperature of the existing freezing microtome equipment is generally about-40 ℃, the efficiency is too low when the existing freezing microtome equipment is used for freezing slices, the living specimen is easy to form ice crystals in the manufacturing process, the diagnosis of a pathologist is not facilitated, and misjudgment is easy to occur are solved.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a quick freezing appearance for pathology sample is cryogenic fast, including organism, stirling refrigerator and refrigeration ring, there is the stirling refrigerator bottom middle part in the organism through bolted connection, the stirling refrigerator top is connected with through the draw-in groove the refrigeration ring.

Furthermore, the refrigerating ring is made of low-temperature-resistant aluminum alloy with fast temperature conduction, and the Stirling refrigerator is a mechanical refrigerator driven by electric power and is divided into an upper Stirling refrigerating mechanism cold end and a lower Stirling refrigerator radiating end.

Through adopting above-mentioned technical scheme, through the organism provides the stable stay, and this device adopts free piston stirling refrigerator as quick freezing appearance core refrigeration source, and compact structure, cooling speed is fast, the minimum degradable temperature value is low, can reduce to-80 ℃ in 10 minutes, and the vibration is little, the low characteristics of noise, can improve the cooling efficiency of freezing appearance, satisfies sample preparation quick freezing demand, and need not use refrigerants such as dry ice, liquid nitrogen, alright reach the refrigeration function, and is with low costs, through stirling refrigeration mechanism cold junction refrigerates, and passes through stirling refrigerator heat dissipation end dispels the heat.

Furthermore, three damping bolts are arranged at the fixed positions of the Stirling refrigerator and the machine body and are in threaded connection with the machine body, and a damping foot pad is connected to the bottom end of the machine body through bolts.

By adopting the technical scheme, the vibration generated in the working process of the device can be effectively reduced, and the practicability of the device is improved.

Further, a top cover plate is connected to one side of the upper end of the machine body through a hinge, a shock absorption lock catch is arranged on the other side of the top cover plate, and the shock absorption lock catch is connected with the machine body through a bolt.

Through adopting above-mentioned technical scheme, can be opening the rotation reduce vibrations during the top apron, guarantee the silence nature of device, improve the practicality of device.

Further, refrigeration ring upper end fixedly connected with work cavity, the work cavity adopts the aluminum alloy material of high conduction temperature, supporting liquid frozen reagent has been placed in the work cavity, it has the foam case that keeps warm to fill between work cavity both sides and the organism, the foam case that keeps warm adopts the EPS foam to make, be connected with touch display screen through the draw-in groove on the organism lateral wall, touch display screen with the temperature sensor electricity of work cavity is connected, and the work of whole instrument passes through the full intelligent control of circuit control system.

By adopting the technical scheme, the low temperature generated by the work of the Stirling refrigerator is directly transmitted into the working cavity through the refrigeration ring, the temperature in the working cavity can be reduced at high speed, meanwhile, the temperature sensor is designed in the working cavity, when the preset temperature value is reached, the quick freezing instrument control system receives a feedback signal of the temperature sensor and controls the Stirling refrigerator to work at constant temperature, the low temperature in the working cavity is continuously supplied to maintain the stable temperature in the working cavity, the temperature in the working cavity is ensured not to be lost through the opening of the heat-preservation foam box, the work of the whole instrument is controlled through the full intelligence of the circuit control system, all work control is realized through the touch control operation of the touch display screen, the liquid freezing reagent is placed in the working cavity, and the frosting and icing in the working cavity are avoided, therefore, the living body specimen can be quickly hardened under the condition of low-temperature liquid state, the crystallization probability of the living body specimen is reduced, the quality of frozen slide is improved, and the diagnosis of doctors is facilitated.

Furthermore, the upper end of the working cavity is connected with a cavity upper cover through a clamping groove, and the left side and the right side of the cavity upper cover are formed with accommodating cavities.

By adopting the technical scheme, articles such as embedding boxes, tweezers and the like can be placed, and manual operation is facilitated.

Further, a cooling fan is arranged on one side of the middle of the Stirling refrigerator and connected with the refrigerator body through bolts.

By adopting the technical scheme, the heat radiation fan works to ensure that relatively low-temperature gas enters, and high-temperature gas is discharged along the channel to take away heat generated at the heat radiation end of the Stirling refrigerator.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has.

1. For solving current freezing slicer equipment minimum for generally about-40 ℃, when freezing the section too low, the live body sample forms the ice crystal easily in the manufacture process, is unfavorable for pathological doctor's diagnosis, the problem of erroneous judgement appears easily, the utility model discloses a set up stirling refrigerator, refrigeration ring, can make organism compact structure, the cooling rate is fast, the minimum degradable temperature value is low, can reduce to-80 ℃ in 10 minutes, vibrate little, the low characteristics of noise, can improve the cooling efficiency of refrigeration appearance, satisfy the quick freezing demand of sample preparation, the pathological doctor's of being convenient for diagnosis.

2. For solving current freezing slicer equipment and can produce certain vibrations in work engineering, produce the noise, reduce the problem of the result of use of device, the utility model discloses a set up shock attenuation bolt, shock attenuation hasp and shock attenuation callus on the sole, can the vibration that absorbing device produced at work, avoid the vibration to conduct on the instrument housing, reduce whole vibrations, improve the result of use of device.

Drawings

Fig. 1 is a schematic structural view of a rapid freezer for rapid refrigeration of pathological specimens.

Fig. 2 is a left side view of the rapid freezer of the present invention for rapid cooling of pathological specimens.

Fig. 3 is a top view of the rapid freezer of the present invention for rapid cooling of pathological specimens.

Fig. 4 is a cross-sectional view of the rapid freezer for rapid refrigeration of pathological specimens of the present invention.

The reference numerals are explained below:

1. a body; 2. damping lock catches; 3. a working cavity; 4. a refrigeration loop; 5. a heat radiation fan; 6. a shock absorbing bolt; 7. a stirling cooler; 8. a cold end of the Stirling refrigerating machine; 9. a heat dissipation end of the Stirling refrigerator; 10. a heat preservation foam box; 11. a cavity upper cover; 12. a shock-absorbing foot pad; 13. a touch display screen; 14. a top cover plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1-4, the rapid freezer for rapid refrigeration of pathological specimens in the embodiment includes a machine body 1, a stirling cryocooler 7 and a refrigeration ring 4, the stirling cryocooler 7 is connected to the middle of the inner bottom end of the machine body 1 through a bolt, the stirling cryocooler 7 is connected to the top end of the stirling cryocooler 7 through a clamping groove, the refrigeration ring 4 is made of aluminum alloy with low temperature resistance and rapid temperature conduction, the stirling cryocooler 7 is a mechanical cryocooler driven by electricity and is divided into an upper stirling cryocooler cold end 8 and a lower stirling cryocooler heat dissipation end 9, stable support is provided by the machine body 1, the device adopts the free piston type stirling cryocooler 7 as a core refrigeration source of the rapid freezer, the structure is compact, the cooling speed is rapid, the lowest degradable temperature value is low, and can be reduced to-80 ℃ within 10 minutes, vibration is little, the low characteristics of noise, can improve the cooling efficiency of cryoscope, satisfy the quick freezing demand of sample preparation, and need not use dry ice, refrigerants such as liquid nitrogen, alright reach the refrigeration function, low cost, refrigerate through stirling refrigeration mechanism cold junction 8, and dispel the heat through stirling refrigerator heat dissipation end 9, 3 upper ends of working cavity are connected with cavity upper cover 11 through the draw-in groove, the left and right sides shaping has the chamber of accomodating on the cavity upper cover 11, can place the embedding box, article such as tweezers, the manual operation of being convenient for, 7 middle part one sides of stirling refrigerator are provided with radiator fan 5, radiator fan 5 passes through bolted connection with organism 1, work through radiator fan 5, guarantee that relative microthermal gas gets into, high temperature gas is discharged along the passageway, take away the heat that stirling refrigerator heat dissipation end.

As shown in fig. 1 and 4, in this embodiment, three shock-absorbing bolts 6 are arranged at the fixed part of the stirling refrigerator 7 and the machine body 1, the shock-absorbing bolts 6 are in threaded connection with the machine body 1, the bottom end of the machine body 1 is connected with a shock-absorbing foot pad 12 through bolts, the shock generated in the operation of the device can be effectively reduced, the practicability of the device is improved, a top cover plate 14 is connected to one side of the upper end of the machine body 1 through a hinge, a shock-absorbing lock catch 2 is arranged on the other side of the top cover plate 14, the shock-absorbing lock catch 2 is connected with the machine body 1 through bolts, the shock can be reduced when the top cover plate 14 is rotated.

As shown in fig. 1 and 4, in this embodiment, a working cavity 3 is fixedly connected to the upper end of a refrigeration ring 4, the working cavity 3 is made of an aluminum alloy material with high conduction temperature, a matched liquid freezing reagent is placed in the working cavity 3, a heat insulation foam box 10 is filled between two sides of the working cavity 3 and a machine body 1, the heat insulation foam box 10 is made of EPS foam, a touch display screen 13 is connected to one side wall of the machine body 1 through a clamping groove, the touch display screen 13 is electrically connected with a temperature sensor of the working cavity 3, the work of the whole instrument is controlled fully intelligently through a circuit control system, so that low temperature generated by the work of a stirling refrigerator 7 is directly conducted into the working cavity 3 through the refrigeration ring 4, the temperature in the working cavity 3 can be reduced at high speed, meanwhile, a temperature sensor is designed in the working cavity 3, when a preset temperature value is reached, a feedback signal, and the Stirling refrigerator 7 is controlled to work at a constant temperature and continuously supply low temperature in the working cavity 3 to maintain the stable temperature in the working cavity 3, the heat-preservation foam box 10 is opened to ensure that the temperature in the working cavity 3 is not lost, the work of the whole instrument is controlled by a circuit control system in a fully intelligent way, all work control is realized by touch operation of a touch display screen 13, a liquid freezing reagent is placed in the working cavity 3 to avoid frosting and icing in the working cavity 3, so that the living body specimen can be quickly hardened under the condition of low-temperature liquid state, the crystallization probability of the living body specimen is reduced, the freezing flaking quality is improved, and the diagnosis of doctors is facilitated.

The specific implementation process of this embodiment is as follows: the refrigerating source of the refrigerating instrument is mainly provided by a Stirling refrigerator 7, a cold end 8 of a Stirling refrigerating mechanism is directly connected with a fixed refrigerating ring 4, the refrigerating ring 4 is directly fixed on a working cavity 3, low temperature generated by the operation of the refrigerator is directly conducted into the working cavity 3 through the refrigerating ring 4, the temperature in the working cavity 3 can be reduced at a high speed, a temperature sensor is designed in the working cavity, when a preset temperature value is reached, a quick refrigerating instrument control system receives a feedback signal of the temperature sensor and controls the Stirling refrigerator 7 to work at a constant temperature, the low temperature in the working cavity is continuously supplied to maintain the temperature stability in the working cavity 3, meanwhile, the temperature in the working cavity 3 is ensured not to be lost through an opening of a heat-insulating foam box 10, the operation of the whole instrument is controlled by a circuit control system in a fully-intelligent manner, and, in addition, in order to improve the effect of freezing flaking, liquid freezing reagent is placed in the working cavity, frosting and freezing in the working cavity are avoided, so that the living body specimen can be quickly hardened under the condition of low-temperature liquid, the crystallization probability of the living body specimen is reduced, the quality of freezing flaking is improved, diagnosis by doctors is facilitated, three damping bolts 6 are additionally arranged at the fixed position of the Stirling refrigerator 7 to facilitate reduction of vibration, a damping torque hinge and a damping lock catch 2 are adopted at the rotating position of a top cover plate 14 to reduce vibration, a damping foot pad 12 is also arranged at the bottom of the rapid cooling instrument to integrally reduce vibration, the heat generated by a heat dissipation end 9 of the Stirling refrigerator is ensured to enter through the work of a cooling fan 5, high-temperature gas is discharged along a channel, heat generated by the heat dissipation end 9 of the Stirling refrigerator is taken away, an embedding box, the design is more humanized.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.

Claims

1. The utility model provides a quick freezing appearance that is used for pathology sample quick refrigeration which characterized in that: the novel Stirling engine is characterized by comprising an engine body (1), a Stirling refrigerator (7) and a refrigerating ring (4), wherein the middle of the inner bottom end of the engine body (1) is connected with the Stirling refrigerator (7) through a bolt, and the top end of the Stirling refrigerator (7) is connected with the refrigerating ring (4) through a clamping groove.

2. The rapid freezer according to claim 1, wherein the freezer comprises: the refrigerating ring (4) is made of low-temperature-resistant aluminum alloy with high temperature conduction speed, and the Stirling refrigerating machine (7) is a mechanical refrigerating machine driven by electric power and is divided into an upper Stirling refrigerating machine cold end (8) and a lower Stirling refrigerating machine heat dissipation end (9).

3. The rapid freezer according to claim 1, wherein the freezer comprises: the Stirling refrigerator (7) with organism (1) fixed department is provided with three shock attenuation bolt (6), shock attenuation bolt (6) with organism (1) pass through threaded connection, there are shock attenuation callus on the sole (12) organism (1) bottom through bolted connection.

4. The rapid freezer according to claim 1, wherein the freezer comprises: the shock absorption lock catch is characterized in that a top cover plate (14) is connected to one side of the upper end of the machine body (1) through a hinge, a shock absorption lock catch (2) is arranged on the other side of the top cover plate (14), and the shock absorption lock catch (2) is connected with the machine body (1) through a bolt.

5. The rapid freezer according to claim 1, wherein the freezer comprises: refrigeration ring (4) upper end fixedly connected with work cavity (3), work cavity (3) adopt high conduction temperature's aluminum alloy material, the liquid frozen reagent of supporting has been placed in work cavity (3), it has heat preservation foam case (10) to fill between work cavity (3) both sides and organism (1), heat preservation foam case (10) adopt the EPS foam to make, be connected with touch display screen (13) through the draw-in groove on organism (1) lateral wall, touch display screen (13) with the temperature sensor electricity of work cavity (3) is connected, and the work of whole instrument passes through the full intelligent control of circuit control system.

6. The rapid freezer according to claim 5, wherein the freezer comprises: the upper end of the working cavity (3) is connected with a cavity upper cover (11) through a clamping groove, and storage cavities are formed in the left side and the right side of the cavity upper cover (11).

7. The rapid freezer according to claim 1, wherein the freezer comprises: and a heat radiation fan (5) is arranged on one side of the middle part of the Stirling refrigerator (7), and the heat radiation fan (5) is connected with the machine body (1) through a bolt.