CN217962600U

CN217962600U - Portable PTC ceramic constant temperature EP pipe heating device

Info

Publication number: CN217962600U
Application number: CN202221392605.6U
Authority: CN
Inventors: 毕国澍; 詹成; 梁嘉琪; 单光耀; 卞赟艺
Original assignee: Zhongshan Hospital Fudan University
Current assignee: Zhongshan Hospital Fudan University
Priority date: 2022-06-06
Filing date: 2022-06-06
Publication date: 2022-12-06
Anticipated expiration: 2032-06-06

Abstract

The utility model relates to a portable PTC pottery system constant temperature EP pipe heating device belongs to biological medicine experimental facilities technical field. The device comprises a PTC ceramic test tube reaction seat, a PTC ceramic test tube reaction cover, a power line, a test tube slot and a fixing mechanism; a plurality of test tube slots with upper end openings and lower end closed are arranged in the PTC ceramic test tube reaction seat; the upper surface of the PTC ceramic test tube reaction seat is provided with a PTC ceramic test tube reaction cover; the PTC ceramic test tube reaction seat and the PTC ceramic test tube reaction cover are connected with a power supply through power lines; the PTC ceramic test tube reaction seat is also provided with a fixing mechanism for fixedly connecting the test tube reaction seat with the shaking table. Through the utility model discloses obtain a constant temperature EP pipe heating device, can realize vibrating the purpose of reaction to EP pipe content under specific homothermal condition of heating, have low cost, advantage easy and simple to handle.

Description

Portable PTC ceramic constant temperature EP pipe heating device

Technical Field

The utility model relates to a portable PTC pottery system constant temperature EP pipe heating device belongs to biological medicine experimental facilities technical field.

Background

In molecular biology experiments, an EP centrifuge tube (EP tube, eppendorf Micro Test Tubes) is often required to be shaken and uniformly mixed at a specific temperature (for example, in a chromatin co-immunoprecipitation experiment, the step of eluting chromatin from magnetic beads needs to be shaken at 65 ℃ for 30-60 min), but the commonly used constant-temperature heating oscillators/shaking tables are all integrated constant-temperature shaking tables, which are very expensive in price and large in volume, and are difficult to popularize and apply on a large scale. For example, chinese patent, patent No. CN201620816803.9 "new cradle"; chinese patent, patent No. CN201921076922.5 "a constant water level water bath shaking table", the main part includes water bath bed, heating element, shaking frame, drive arrangement, inlet pipe, baffle, etc.; in the prior art, water or air is usually used as a heat transfer medium to control the surrounding environment of a reaction test tube in an oscillator/shaking table at a target temperature, and then the reaction test tube is vibrated to react in the temperature environment; the disadvantages of this type of equipment in the prior art are: the structure is complex, the equipment price is expensive, the temperature control is inaccurate, the cost for temperature control is high, the volume is large, the portability is poor, and the like. Therefore, the technical problems of high manufacturing cost, inaccurate temperature control and inconvenient use of the constant temperature oscillator/shaking table in the prior art are urgently needed to be solved in the technical field.

PTC (Positive Temperature Coefficient) ceramic is formed by sintering rare earth barium carbonate and other powdery materials at high Temperature, and is characterized in that after being electrified and heated, the ceramic reaches a specific Temperature Curie point, the resistance is rapidly increased at the moment, the current is rapidly reduced, the heating power is reduced, the constant Temperature state is achieved, the Temperature cannot be further increased, and the purpose of accurately controlling the target Temperature can be achieved by applying the characteristic. In the prior art, the target temperature of the PTC ceramic can be adjusted by adjusting the ingredients of the PTC ceramic according to the requirements, and the PTC ceramic is low in manufacturing cost and suitable for large-scale production.

Disclosure of Invention

The utility model aims at solving the technical problems of high manufacturing cost, inaccurate temperature control and inconvenient use of the constant temperature oscillator/shaking table in the prior art.

In order to solve the above problems, the technical solution adopted by the present invention is to provide a portable PTC ceramic constant temperature EP tube heating device, which comprises a PTC ceramic test tube reaction seat, a PTC ceramic test tube reaction cover, a power line, a test tube slot and a fixing mechanism; a plurality of test tube slots with upper end openings and lower end closed are arranged in the PTC ceramic test tube reaction seat; the upper surface of the PTC ceramic test tube reaction seat is provided with a PTC ceramic test tube reaction cover; the PTC ceramic test tube reaction seat and the PTC ceramic test tube reaction cover are connected with a power supply through power lines; the PTC ceramic test tube reaction seat is also provided with a fixing mechanism for fixedly connecting the test tube reaction seat with the shaking table.

Preferably, the PTC ceramic test tube reaction cover is provided with a plurality of grooves, and the positions of the grooves correspond to the openings of the test tube slots.

Preferably, a lock catch structure is arranged between the PTC ceramic test tube reaction seat and the PTC ceramic test tube reaction cover.

Preferably, the fixing mechanism is set to be a sucker which is arranged on the lower surface of the PTC ceramic test tube reaction seat.

Preferably, the fixing mechanism is a tying band, and the side surface of the PTC ceramic test tube reaction seat is provided with a tying band for fixedly connecting the test tube reaction seat with the shaking table.

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

the utility model discloses based on the characteristics of PTC pottery, design and obtain a constant temperature EP pipe heating device that PTC pottery was made, can insert the EP pipe after corresponding notch, the top configuration heat lid prevents to produce vapor and covers the condensation at the EP pipe, can heat to specific temperature (for example 60 ℃, 65 ℃, 70 ℃) after the circular telegram; then the vacuum tube is fixed on a common universal shaking table without heating and heat-preserving functions in a laboratory through a sucking disc at the bottom, so that the aim of shaking the content in the EP tube under the condition of heating and constant temperature can be fulfilled, and the vacuum tube has the advantages of low cost and simplicity and convenience in operation.

Drawings

Fig. 1 is a schematic view of the overlooking structure of the test tube reaction seat of the present invention.

Fig. 2 is a schematic view of the structure of the present invention.

Fig. 3 is a schematic side view of the present invention.

Reference numerals are as follows: 1. a power line; 2. a test tube reaction seat; 3. a test tube reaction cover; 4. inserting a test tube into a slot; 5. a suction cup; 6. locking; 7. and (4) a hinge.

Detailed Description

In order to make the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail as follows:

as shown in fig. 1-3, the technical solution adopted by the present invention is to provide a portable PTC ceramic constant temperature EP tube heating device, which comprises a PTC ceramic test tube reaction seat 2, a PTC ceramic test tube reaction cover 3, a power line 1, a test tube slot 4 and a fixing mechanism; a plurality of test tube slots 4 with upper end openings and lower end closed are arranged in the PTC ceramic test tube reaction seat 2; the upper surface of the PTC ceramic test tube reaction seat 2 is provided with a PTC ceramic test tube reaction cover 3; the PTC ceramic test tube reaction seat 2 and the PTC ceramic test tube reaction cover 3 are connected with a power supply through a power line 1; the PTC ceramic test tube reaction seat 2 is also provided with a fixing mechanism for fixedly connecting the test tube reaction seat 2 with the shaking table. The PTC ceramic test tube reaction cover 3 is provided with a plurality of grooves, and the positions of the grooves correspond to the openings of the test tube slots 4. A locking structure is arranged between the PTC ceramic test tube reaction seat 2 and the PTC ceramic test tube reaction cover 3. The fixing mechanism is arranged as a sucker 5, and the sucker 5 is arranged on the lower surface of the PTC ceramic test tube reaction seat 2. Or the fixing mechanism is a lace, and the side surface of the PTC ceramic test tube reaction seat 2 is provided with a lace fixedly connecting the test tube reaction seat 2 with the shaking table.

Examples

The utility model provides a portable PTC ceramic constant temperature EP tube heating device, which comprises a rectangular PTC ceramic test tube reaction seat 2, a rectangular PTC ceramic test tube reaction cover 3, a power line 1, a test tube slot 4 and a sucker 5; a plurality of test tube slots 4 with upper end openings and lower end closed are arranged in the PTC ceramic test tube reaction seat 2, and the upper end openings of the test tube slots 4 are arranged on the upper surface of the PTC ceramic test tube reaction seat 2; the upper surface of the PTC ceramic test tube reaction seat 2 is also provided with a PTC ceramic test tube reaction cover 3; the PTC ceramic test tube reaction cover 3 is connected with the PTC ceramic test tube reaction seat 2 through a hinge 7; the PTC ceramic test tube reaction seat 2 and the PTC ceramic test tube reaction cover 3 are connected with a power supply through a power line 1; the lower surface of the PTC ceramic test tube reaction seat 2 is also provided with a sucker 5 which fixedly connects the test tube reaction seat 2 with the shaking table. PTC pottery test tube reaction lid 3 is equipped with a plurality of recesses towards the one side of 2 upper surfaces of PTC pottery test tube reaction seat, and the position of recess corresponds with test tube slot 4's opening. The size of the groove just accommodates the tube cover of the reaction test tube; the PTC ceramic test tube reaction cover 3 arranged above the PTC ceramic test tube reaction seat 2 can prevent the water vapor generated in the test tube in the heating process from condensing on the EP tube cover, thereby avoiding influencing the concentration of each reactant in the reaction system.

A lock catch 6 and a hinge 7 are arranged between the PTC ceramic test tube reaction seat 2 and the PTC ceramic test tube reaction cover 3. The structure of the lock catch 6 is the structure form of the lock catch on the common box cover; such as a latch, a snap, etc.;

the PTC ceramic test tube reaction seat 2 is provided with 24 sockets of a standard 1.5ml EP tube test tube slot 4.

The utility model discloses an use:

the utility model provides a heating device establishes to a plurality of heating devices that can reach specific temperature according to PTC ceramic composition's difference.

Firstly, selecting a portable PTC ceramic constant-temperature EP pipe heating device which can reach a specific temperature according to the constant-temperature required to be reached;

the PTC ceramic test tube reaction cover 3 is opened, the EP tube is inserted into the slot of the test tube slot 4, the PTC ceramic test tube reaction cover 3 is covered, and the PTC ceramic test tube reaction cover 3 is locked on the PTC ceramic test tube reaction seat 2 through the lock catch structure between the PTC ceramic test tube reaction seat 2 and the PTC ceramic test tube reaction cover 3; fixing the PTC ceramic test tube reaction seat 2 on a shaker through a sucker 5, connecting a power supply, and heating to a specific temperature (such as 60 ℃, 65 ℃ and 70 ℃, wherein the temperature is determined by the material characteristics of the PTC ceramic); the purpose of shaking the content of the EP tube under the condition of specific heating and constant temperature can be realized.

The utility model utilizes the characteristic that the PTC ceramic can keep constant temperature heating after being electrified (when the PTC ceramic reaches the Curie point of a specific temperature after being electrified and heated, the resistance can be rapidly increased, the current is rapidly reduced, the heating power is reduced, the constant temperature state is achieved, and the temperature can not be further increased), thereby achieving the purpose of constant temperature heating, and can be combined with other common low-price equipment in laboratories, such as a shaking table, and the like through a sucker; low cost and convenient carrying.

The utility model discloses based on PTC pottery's characteristic, obtain a constant temperature EP pipe heating device that PTC pottery was made, can insert the notch that corresponds with the EP pipe after, the top configuration heat lid prevents to produce vapor and covers the condensation at the EP pipe, can heat to specific temperature (if 60 ℃, 65 ℃, 70 ℃) after the circular telegram then fix on the shaking table of the general type of laboratory general purpose does not have the heating heat preservation function through the sucking disc of bottom, can realize the purpose of vibrating the EP pipe content under the homothermal condition of heating, and the device is low in cost, and is simple and convenient to operate.

The foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the present invention in any way and in any way, and it should be understood that modifications and additions may be made by those skilled in the art without departing from the scope of the present invention. Those skilled in the art can make various changes, modifications and evolutions equivalent to those made by the above disclosed technical content without departing from the spirit and scope of the present invention, and all such changes and modifications are equivalent embodiments of the present invention; meanwhile, any changes, modifications and evolutions of equivalent changes to the above embodiments according to the actual technology of the present invention are also within the scope of the technical solution of the present invention.

Claims

1. A portable PTC ceramic constant-temperature EP tube heating device is characterized by comprising a PTC ceramic test tube reaction seat, a PTC ceramic test tube reaction cover, a power line, a test tube slot and a fixing mechanism; a plurality of test tube slots with upper end openings and lower end closed are arranged in the PTC ceramic test tube reaction seat; the upper surface of the PTC ceramic test tube reaction seat is provided with a PTC ceramic test tube reaction cover; the PTC ceramic test tube reaction seat and the PTC ceramic test tube reaction cover are connected with a power supply through power lines; the PTC ceramic test tube reaction seat is also provided with a fixing mechanism for fixedly connecting the test tube reaction seat with the shaking table.

2. A portable PTC ceramic constant temperature EP tube heating apparatus according to claim 1, wherein the PTC ceramic cuvette reaction cap is provided with a plurality of grooves corresponding to the openings of the cuvette insertion grooves.

3. A portable PTC ceramic thermostatic EP tube heating device according to claim 1, wherein a locking structure is provided between the PTC ceramic tube reaction seat and the PTC ceramic tube reaction cover.

4. A portable PTC ceramic constant temperature EP tube heating apparatus according to claim 1, wherein the fixing means is a suction cup provided on the lower surface of the PTC ceramic cuvette reaction holder.

5. A portable PTC ceramic constant temperature EP tube heating apparatus according to claim 1, wherein the fixing means is a tie, and the side of the PTC ceramic cuvette reaction holder is provided with a tie for fixedly connecting the cuvette reaction holder to the cradle.