CN203181880U

CN203181880U - Constant-speed temperature-reducing and freezing device controlled by electronic program

Info

Publication number: CN203181880U
Application number: CN 201320179579
Authority: CN
Inventors: 范维林
Original assignee: Tianjin Hope Industry and Trade Co Ltd
Current assignee: Tianjin Hope Industry and Trade Co Ltd
Priority date: 2013-04-11
Filing date: 2013-04-11
Publication date: 2013-09-11
Anticipated expiration: 2023-04-11

Abstract

The utility model provides a constant-speed temperature-reducing and freezing device controlled by an electronic program. The device is provided with a constant-speed temperature-reducing and freezing cavity capable of being placed into a low-temperature refrigeration freezer; a metal temperature-conduction fixing cavity inside the device is uniformly provided with a plurality of cavity holes for placing a plurality of freezing and storing pipes; a temperature sensor in the center is connected with an electronic program controller which is placed outside the low-temperature refrigeration freezer; a ring of metal temperature control sleeve provided with a trace heating element tightly covers the periphery of the temperature-conduction fixing cavity and is controlled by the electronic program controller; the upper part of the constant-speed temperature-reducing and freezing cavity is connected with an insulating sealing upper cover with a sealing clip through a hinge so as to guarantee that the inner part of the constant-speed temperature-reducing and freezing cavity is sealed. The device disclosed by the utility model can set different freezing programs for different cells and biological tissues so as to accurately control the freezing speed of the inner freezing and storing pipes, prevent from the phenomena that cell membranes of the cells and biological samples are broken, liquid is separated at the inner parts of the cells and the biological samples to be crystallized and the like, caused by unreasonable freezing speeds, and improve the freezing and storing survival rate of the cells and the biological samples.

Description

Electronic program is controlled the freezing plant of at the uniform velocity lowering the temperature

Technical field

The utility model provides a kind of electronic program to control the freezing plant of at the uniform velocity lowering the temperature.

Background technology

In the laboratory, a lot of scientific researches and experiment need be with experiment sample such as cells, skin histology, biological specimens etc. freeze, prior art be be equipped with experiment with the frozen pipe of sample directly be put into carry out in the cryogenic freezing refrigerator-freezer frozen, perhaps only add an isolating seal cover and reduce freezing speed, because different cells need different freezing temperature and freezing speed when preserving with the biological tissue quick-frozen, and directly freezing speed frozen or that only add an isolating seal cover all is out of contior, therefore because bad phenomenon such as liquid crystallization are analysed in unreasonable common membranolysis and the inside of causing of freezing speed, directly influenced result of experiment, can not satisfy the experiment needs, for various scientific researches have caused inconvenience.Existing electronic program cooling instrument adopts the liquid nitrogen cooling method need consume big etc. the disadvantages affect of a large amount of liquid nitrogen and price height, operation inconvenience, floor space to use in the market, therefore develop a kind of not only simple and efficient freezing plant that does not need to use liquid nitrogen but also can accurately control freezing temperature and freezing speed, improve cell and the frozen survival rate of biological specimen in scientific research and the experiment, become current urgent needs.

Summary of the invention

For addressing the above problem, the purpose of this utility model provides a kind of electronic program and controls the freezing plant of at the uniform velocity lowering the temperature, package unit can configure freezing procedures according to the different requirements when the biological tissue quick-frozen is preserved of different cells, skin histology, and accurately control the speed that inner biological frozen pipe freezes according to the good cooling rate of program setting, intact with cell and biological tissue after guaranteeing to freeze.

For achieving the above object, the technical solution of the utility model provides a kind of electronic program and controls the freezing plant of at the uniform velocity lowering the temperature, this device includes the at the uniform velocity cooling that can put into the storage of cryogenic freezing refrigerator-freezer and freezes cavity, its inside is the warm lock chamber of leading with the metal making, evenly have the lumen pore of laying a plurality of frozen pipes above, the position, bosom of cavity is equipped with temperature sensor, be connected on the electronic program controller that is placed in cryogenic freezing refrigerator-freezer outside by lead-in wire, lead warm lock chamber outside and closely be surrounded by a circle metal temperature-control cover, being equipped with in the metal temperature-control cover can be by the micro-heating element heater of Electric heating heating, the metal temperature-control cover also is connected to electronic program controller by lead-in wire, at the uniform velocity cavity top is connected to the sealing clamp by hinge insulated enclosure loam cake is freezed in cooling, guaranteeing at the uniform velocity lowers the temperature freezes the inner sealing of cavity, different requirements in the time of can preserving with the biological tissue quick-frozen according to different cells configure freezing procedures, and accurately control the speed that inner biological frozen pipe freezes according to the good cooling rate of program setting, intact with cell and biological tissue after guaranteeing to freeze.

Its beneficial effect is: the accurately freezing plant of control of a kind of intelligence is provided, thereby greatly reducing cell and biological specimen causes common membranolysis and inside to analyse bad phenomenon such as liquid crystallization because freezing speed is unreasonable in freezing process, improve cell and the frozen survival rate of biological specimen in scientific research and the experiment, filled up this respect blank.

Description of drawings

Fig. 1 controls the structural representation of the freezing plant of at the uniform velocity lowering the temperature for the utility model electronic program.

Among the figure:

1, sealing clamp 2, insulated enclosure loam cake 3, silica gel circle 4, hinge

5, lead-in wire 6, electronic program controller 7, temperature comparison module 8, program writing module

9, temperature control modules 10, micro-heating element heater 11, temperature sensor 12, cavity

13, metal temperature-control cover 14, lumen pore 15, lead warm lock chamber.

Embodiment

Reaching the utility model of embodiment by reference to the accompanying drawings is illustrated.

As shown in Figure 1, the utility model provides a kind of electronic program to control the freezing plant of at the uniform velocity lowering the temperature, this device includes the at the uniform velocity cooling that can put into the storage of cryogenic freezing refrigerator-freezer and freezes cavity 12, its inside is the warm lock chamber 15 of leading with the metal making, evenly have the lumen pore 14 of laying a plurality of frozen pipes above, the position, bosom of cavity is equipped with

temperature sensor

11,5 be connected on the electronic program controller 6 that is placed in cryogenic freezing refrigerator-freezer outside by going between, lead warm lock chamber 15 outsides and closely be surrounded by a circle metal temperature-

control cover

13,13 li in metal temperature-control cover is equipped with can be by the micro-heating element heater of Electric heating heating, metal temperature-control cover 13 also 5 is connected to electronic program controller 6 by going between, at the uniform velocity cooling is freezed cavity 12 tops and is connected to the insulated enclosure loam cake 2 of sealing clamp 1 by hinge 4, guarantees that at the uniform velocity cooling freezes the inner sealing of cavity 12; Leading warm lock chamber 15 is to be made by the corrosion-resistant metal materials of temperature good conductor, be cylindrical shape, a temperature sensors of high precision 11 is equipped with at its center, are lumen pores 14 that circle lower end taper shape or a circle hole shape formed around temperature sensor 11, will combine closely all kinds of frozen pipe appearance and size and the size of laying of its size conforms is beneficial to fully conduction refrigeration; Metal temperature-control cover 13 is that of being made by the corrosion-resistant metal materials of temperature good conductor is enclosed in the cylinder of leading warm lock chamber 15 peripheries closely, the inner barrel of the cylinder micro-heating element heater 10 of evenly arranging drives micro-heating element heater 10 and forms trace to the whole energising of the cylinder mode of heating of metal temperature-control cover 13 and heat to control the frozen pipe chilling rate of leading 14 li of warm lock chamber 15 lumen orifice under electronic program controller 6 controls; Insulated enclosure loam cake 2 is domes that the insulator of a bad heat conduction is made, fix at the uniform velocity cooling by hinge 4 and sealing clamp 1 and freeze cavity 12 and sealing loam cake 2, the sealing cover rim be equipped with can be low temperature resistant silica gel circle 3 come the frozen pipe of sealed inside; Electronic program controller 6 is made up of the different circuit modules that are installed in the electrical equipment box, and program writing module 8 is connected on the supervisory keyboard of electrical equipment box upper surface; Temperature comparison module 7 is from being installed in the signal of telecommunication perception temperature decrease speed of temperature sensor 11 transmission of leading on the warm lock chamber 15, be presented on the screen, be delivered to temperature control modules 9 simultaneously, temperature control modules 9 is again according to the micro-heating element heater 10 on the signal controlling metal temperature-control cover 13 of temperature comparison module 7, the different extent control of heating is led inner biological frozen pipe cooling freezing speed on the warm lock chamber 15, and cell and biological tissue after freezing with assurance are intact.

Embodiment

Should at first be ready to experiment sample and frozen pipe before using a kind of electronic program of the utility model to control the freezing plant of at the uniform velocity lowering the temperature, to test with sample and install to good seal in the frozen pipe, open the sealing clamp 1 that the insulated enclosure loam cake 2 above the cavity 12 is freezed at the uniform velocity cooling, raise insulated enclosure loam cake 2, be put into lumen pore 14 the insides that 15 li of the warm lock chambers of leading of 12 li of cavitys are freezed at the uniform velocity cooling successively with installing the frozen pipe of experiment with sample, build insulated enclosure loam cake 2 then, lock sealing clamp 1 keeps cavity 12 sealings; The cavity of good seal is put into the cryogenic freezing refrigerator-freezer to be stored, electronic program controller 6 is placed on the outside of cryogenic freezing refrigerator-freezer, open the power supply of electronic program controller 6, the freezing procedures of the supervisory keyboard experiment sample that input is freezed by the electronic program controller upper surface, laboratory sample begins to freeze, from being installed in the signal of telecommunication perception temperature decrease speed of temperature sensor 11 transmission of leading on the warm lock chamber 15, be presented on electronic program controller 6 screens, be delivered to temperature control modules 9 simultaneously, temperature control modules 9 is again according to the micro-heating element heater 10 on the signal controlling metal temperature-control cover 13 of temperature comparison module 7, lead on the warm lock chamber 15 inner biological frozen pipe cooling freezing speed by the Electric heating different extent control of heating, intact with cell and biological tissue after guaranteeing to freeze; Close the power supply of electronic program controller 6 after freezing to finish, from the cryogenic freezing refrigerator-freezer, take out cavity 12, open sealing clamp 1, start insulated enclosure loam cake 2, take out frozen pipe and carry out the freezing of routine.

Claims

1. an electronic program is controlled the freezing plant of at the uniform velocity lowering the temperature, it is characterized in that: this device includes the at the uniform velocity cooling that can put into the storage of cryogenic freezing refrigerator-freezer and freezes cavity (12), its inside is to lead warm lock chamber (15) with what metal was made, evenly have the lumen pore (14) of laying a plurality of frozen pipes above, the position, bosom of cavity is equipped with temperature sensor (11), be connected on the electronic program controller (6) that is placed in cryogenic freezing refrigerator-freezer outside by lead-in wire (5), lead warm lock chamber (15) outside and closely be surrounded by a circle metal temperature-control cover (13), metal temperature-control cover (13) lining is equipped with can be by the micro-heating element heater of Electric heating heating, metal temperature-control cover (13) also is connected to electronic program controller (6) by lead-in wire (5), at the uniform velocity cooling is freezed cavity (12) top and is connected to the insulated enclosure loam cake (2) of sealing clamp (1) by hinge (4), and guaranteeing at the uniform velocity lowers the temperature freezes the inner sealing of cavity (12).

2. electronic program according to claim 1 is controlled the freezing plant of at the uniform velocity lowering the temperature, it is characterized in that: the described warm lock chamber (15) of leading is to be made by the corrosion-resistant metal materials of temperature good conductor, be cylindrical shape, a temperature sensors of high precision (11) is equipped with at its center, be the lumen pore (14) that circle lower end taper shape or a circle hole shape formed around temperature sensor (11), will combine closely all kinds of frozen pipe appearance and size and the size of laying of its size conforms is beneficial to fully conduction refrigeration.

3. electronic program according to claim 1 is controlled the freezing plant of at the uniform velocity lowering the temperature, it is characterized in that: described metal temperature-control cover (13) is that of being made by the corrosion-resistant metal materials of temperature good conductor is enclosed in closely and leads the peripheral cylinder of warm lock chamber (15), the inner barrel of the cylinder micro-heating element heater (10) of evenly arranging drives micro-heating element heater (10) down in electronic program controller (6) control and forms trace to the whole mode of heating of switching on of the cylinder of metal temperature-control cover (13) and heat to control the frozen pipe chilling rate of leading warm lock chamber (15) lumen orifice (14) lining.

4. electronic program according to claim 1 is controlled the freezing plant of at the uniform velocity lowering the temperature, it is characterized in that: described insulated enclosure loam cake (2) is the dome that the insulator of a bad heat conduction is made, fix at the uniform velocity cooling by hinge (4) and sealing clamp (1) and freeze cavity (12) and sealing loam cake (2), seal cover rim be equipped with can be low temperature resistant silica gel circle (3) come the frozen pipe of sealed inside.

5. electronic program according to claim 1 is controlled the freezing plant of at the uniform velocity lowering the temperature, it is characterized in that: described electronic program controller (6) is made up of the different circuit modules that are installed in the electrical equipment box, and program writing module (8) is connected on the supervisory keyboard of electrical equipment box upper surface; Temperature comparison module (7) is from being installed in the signal of telecommunication perception temperature decrease speed of temperature sensor (11) transmission of leading on the warm lock chamber (15), be presented on the screen, be delivered to temperature control modules (9) simultaneously, temperature control modules (9) is again according to the micro-heating element heater (10) on the signal controlling metal temperature-control cover (13) of temperature comparison module (7), and the different extent control of heating is led warm lock chamber (15) and gone up frozen pipe cooling freezing speed.