CN211782219U - Liquid circulation device - Google Patents

Abstract

The utility model relates to the technical field of test chambers, and provides a liquid circulating device, which comprises a liquid storage part, a liquid bath pool, a liquid inlet channel and a liquid return channel, wherein the liquid bath pool is used for accommodating a sample; the liquid inlet channel is communicated with the liquid storage part and the liquid bath pool so that liquid in the liquid storage part flows into the liquid bath pool through the liquid inlet channel; wherein, the inlet channel includes a liquid outlet part, and at least part of the liquid outlet part is located in the liquid bath pool, and the liquid outlet part is provided with a plurality of liquid outlet holes. The liquid circulating device can enable the temperature of a sample to be close to a target value quickly, and the liquid in the liquid inlet channel can be discharged into different parts of the liquid bath pool through the liquid outlet holes formed in the liquid outlet part, so that the uniformity of the liquid temperature is improved.

Description

Liquid circulation device

Technical Field

The present disclosure relates to the technical field of test chambers, and particularly to a liquid circulation device.

Background

The lithium battery can often do some tests of simulation high low temperature environment in the experiment, and it is comparatively common at present to use a kind of proof box that can provide high low temperature environment, but in the actual experiment process, because sample self can produce certain heat (the different research and development stages of different appearance produce the heat different), can produce certain deviation with the actual required target temperature. And because the inside of the existing test box is a gas medium, the heat generated by the sample can not be absorbed and taken away in time, so that the temperature of the sample is difficult to approach a target value during the test.

SUMMERY OF THE UTILITY MODEL

It is a primary object of the present disclosure to overcome at least one of the above-mentioned deficiencies of the prior art and to provide a liquid circulation device.

The utility model provides a liquid circulation device, include:

a liquid storage part;

the liquid bath pool is used for containing a sample;

the liquid inlet channel is communicated with the liquid storage part and the liquid bath pool so that liquid in the liquid storage part flows into the liquid bath pool through the liquid inlet channel;

wherein, the inlet channel includes a liquid outlet part, and at least part of the liquid outlet part is located in the liquid bath pool, and the liquid outlet part is provided with a plurality of liquid outlet holes.

The utility model discloses a liquid circulation device can in time absorb the heat that sample self produced through stock solution portion, liquid bath and inlet channel and return liquid passageway to this makes the temperature of sample be close to the target value fast, and a plurality of play liquid holes that set up in the liquid portion can discharge the different positions in liquid bath simultaneously with the liquid in the inlet channel, with the homogeneity that improves liquid temperature.

Drawings

Various objects, features and advantages of the present disclosure will become more apparent from the following detailed description of preferred embodiments thereof, when considered in conjunction with the accompanying drawings. The drawings are merely exemplary illustrations of the disclosure and are not necessarily drawn to scale. In the drawings, like reference characters designate the same or similar parts throughout the different views. Wherein:

FIG. 1 is a schematic diagram illustrating a first perspective of a fluid circulation device, according to an exemplary embodiment;

FIG. 2 is a schematic diagram illustrating a second perspective of a fluid circulation device, according to an exemplary embodiment;

FIG. 3 is a schematic diagram illustrating a third perspective of a fluid circulation device, according to an exemplary embodiment;

FIG. 4 is a schematic diagram illustrating a fourth perspective of a fluid circulation device, according to an exemplary embodiment;

FIG. 5 is a schematic diagram illustrating a portion of a fluid circulation device according to an exemplary embodiment;

FIG. 6 is a schematic view illustrating a connection structure of an anti-toppling portion and a base plate of a liquid circulation device according to an exemplary embodiment;

fig. 7 is a schematic view illustrating a connection structure of a liquid level adjusting part and a partition part of a liquid circulation device according to an exemplary embodiment.

The reference numerals are explained below:

1. a sample; 10. a main body member; 11. a connecting portion; 20. an anti-toppling portion; 21. a substrate; 30. a liquid storage part; 31. a pump body; 32. a refrigerator; 40. a liquid bath; 41. a first liquid bath; 42. a second liquid bath; 43. an overflow port; 44. a partition portion; 441. a slide hole; 50. a pipe body; 51. a liquid outlet hole; 52. a liquid discharge pipe; 60. a box body; 61. a universal wheel; 62. a liquid discharge port; 63. a display controller; 70. a liquid level adjusting section; 71. a fastener.

Detailed Description

Exemplary embodiments that embody features and advantages of the present disclosure are described in detail below in the specification. It is to be understood that the disclosure is capable of various modifications in various embodiments without departing from the scope of the disclosure, and that the description and drawings are to be regarded as illustrative in nature, and not as restrictive.

In the following description of various exemplary embodiments of the disclosure, reference is made to the accompanying drawings, which form a part hereof, and in which are shown by way of illustration various exemplary structures, systems, and steps in which aspects of the disclosure may be practiced. It is to be understood that other specific arrangements of parts, structures, example devices, systems, and steps may be utilized and structural and functional modifications may be made without departing from the scope of the present disclosure. Moreover, although the terms "over," "between," "within," and the like may be used in this specification to describe various example features and elements of the disclosure, these terms are used herein for convenience only, e.g., in accordance with the orientation of the examples in the figures. The plurality described in this disclosure is at least two. Nothing in this specification should be construed as requiring a specific three dimensional orientation of structures in order to fall within the scope of this disclosure.

An embodiment of the present invention provides a liquid circulation device, please refer to fig. 1 to 7, the liquid circulation device includes: a liquid storage part 30; a liquid bath 40, wherein the liquid bath 40 is used for containing the sample 1; a liquid inlet channel, wherein the liquid inlet channel is communicated with the liquid storage part 30 and the liquid bath 40, so that the liquid in the liquid storage part 30 flows into the liquid bath 40 through the liquid inlet channel; wherein, the inlet channel includes a liquid outlet portion, and at least part of the liquid outlet portion is located in the liquid bath 40, and the liquid outlet portion is provided with a plurality of liquid outlet holes 51.

The utility model discloses a liquid circulation device can in time absorb the heat that sample 1 self produced through stock solution portion 30, liquid bath 40 and inlet channel to this makes sample 1's temperature be close to the target value fast, and a plurality of play liquid holes 51 that set up in the liquid portion can discharge the different positions of liquid bath 40 simultaneously with the liquid in the inlet channel, with the homogeneity that improves liquid temperature.

In one embodiment, as shown in fig. 3, a pump 31 is disposed on the liquid inlet channel, and the pump 31 is used for feeding the liquid in the liquid storage portion 30 into the liquid bath 40, i.e. providing a power source for the flow of the liquid.

In one embodiment, the liquid outlets 51 are equally spaced from each other, and the liquid in the liquid inlet channel can be uniformly discharged into the liquid bath 40 through the liquid outlets 51, so as to improve the uniformity of the temperature of the liquid in the liquid bath 40.

In one embodiment, the liquid outlet holes 51 are arranged in multiple rows, which not only improves the liquid outlet efficiency, but also makes the liquid outlet distribution more uniform.

In one embodiment, as shown in fig. 1 and 2, a plurality of rows of samples 1 are placed in the bath 40, each row of samples 1 having a row of exit holes 51; wherein, go out liquid hole 51 towards sample 1, and two adjacent rows of liquid holes 51 set up relatively, and liquid is direct to be corresponded with each row of sample 1 when discharging into liquid bathing pool 40, can guarantee the reasonable dispersion of liquid to the liquid temperature difference of guaranteeing that each row of sample 1 very first time contacts is less.

In one embodiment, the liquid outlet portion is a tube 50, and the tube 50 not only facilitates the flow of liquid, but also has low cost and convenient arrangement.

In one embodiment, tube 50 is disposed at the bottom of bath 40, and liquid discharged from tube 50 can be quickly discharged into the bottom of bath 40, thereby maximizing the uniformity of the temperature of the liquid in bath 40.

In one embodiment, each exit aperture 51 extends along the length of tube 50.

In one embodiment, as shown in fig. 5, the liquid circulation device further includes: a body member 10, the body member 10 being disposed within the liquid bath 40; a plurality of anti-toppling portions 20, wherein the anti-toppling portions 20 are connected with the main body member 10, and a sample 1 is accommodated between two adjacent anti-toppling portions 20; wherein, the liquid outlet part is at least one of the main body part 10 and the pipe body 50. The main body member 10 and the anti-toppling portion 20 are provided to prevent the sample 1 placed in the liquid bath 40 from toppling, i.e., to achieve the positioning and fixing function.

In one embodiment, the liquid outlet portion can be a tube 50, or the main body 10 can be used, that is, the liquid outlet hole 51 is formed in the main body 10, so that the main body 10 can widen the function of the main body 10 as the liquid outlet portion, and can be used for liquid drainage on the basis of realizing support, thereby avoiding the arrangement of other liquid drainage structures and saving a large amount of space. It is of course possible to use both the tube 50 and the body member 10 separately for drainage.

In one embodiment, when the samples 1 are in multiple rows, that is, each row of samples needs to have a corresponding main body 10, when the tube 50 is selected, the tube 50 can be disposed between two rows of samples 1, that is, between two main bodies 10, and two rows of liquid outlet holes 51 are disposed on the tube 50, respectively corresponding to two rows of samples 1.

In one embodiment, the anti-toppling portion 20 is selectively connected to one of the plurality of connecting portions 11 to adjust the distance between adjacent two anti-toppling portions 20. The anti-tipping parts 20 can be selectively connected to the connecting parts 11 of the main body member 10, namely, the anti-tipping parts can be selectively connected with different connecting parts 11 according to the size of the sample 1, so that the distance between two adjacent anti-tipping parts 20 is suitable for the space requirement of the sample 1, and the universality is good.

In an embodiment, the distance between two adjacent anti-toppling portions 20 corresponds to the length direction or the width direction of the sample 1, and is not limited herein, and the specific situation may be selected according to the actual use requirement, and the distance between two adjacent connecting portions 11 may also be determined according to the specific use environment, as long as it is ensured that no large space waste occurs, for example, when the sample 1 is a battery, a more reasonable distance may be determined according to batteries of different types.

In one embodiment, the main body 10 is provided with a plurality of connecting portions 11, and the main body 10 can correspond to a plurality of samples 1 at the same time, and in specific use, the connecting portions 11 used in actual use are determined according to the size of the samples 1, so that a plurality of accommodating spaces are formed at corresponding positions of the main body 10 to meet the use requirements of the plurality of samples 1, wherein the samples 1 can be of the same type or different types.

In one embodiment, the anti-toppling portion 20 is detachably connected to the connecting portion 11, so that the anti-toppling portion 20 can be connected to different connecting portions 11 according to different types of samples 1, and the diversity of the accommodated samples 1 can be improved.

In one embodiment, the anti-toppling portion 20 is engaged with the connecting portion 11, so that the installation and removal of the anti-toppling portion 20 can be conveniently performed, thereby improving the use efficiency.

In one embodiment, the anti-toppling portion 20 is a plate body, the connecting portion 11 is a groove, and the plate body is inserted into the groove; or, the anti-toppling part 20 is a plate body, the connecting part 11 is a protrusion, a groove matched with the protrusion is formed in the plate body, and the protrusion is inserted into the groove. The structural arrangement of the protrusion and the groove can not only ensure effective connection between the anti-toppling portion 20 and the connecting portion 11, but also facilitate installation and disassembly of the anti-toppling portion 20.

In one embodiment, as shown in fig. 5, the main body members 10 are arranged in pairs, and the two main body members 10 in a pair are spaced apart and oppositely arranged to sandwich the anti-toppling portion 20 between the two main body members 10 in a pair; wherein both ends of the falling off preventive portion 20 are connected to the respective connecting portions 11 of the two body members 10, respectively. The two opposite main body members 10 can limit the anti-toppling portion 20, and ensure the stability of the anti-toppling portion 20.

In one embodiment, when the anti-toppling portion 20 is installed, the anti-toppling portion 20 can be inserted into the two main body members 10 from top to bottom, and the distance between the two main body members 10 is adapted to a certain dimension of the sample 1, for example, when the distance between two adjacent anti-toppling portions 20 is adapted to the dimension of the width direction of the sample 1, the distance between the two main body members 10 can be designed to be a reasonable distance according to different types of samples 1, so as to satisfy the length dimension of different types of samples 1, that is, the distance between the two main body members 10 can be fixed in practical use. It is of course not excluded that the distance between the two body members 10 is properly adjusted according to the actual use process, and is not limited herein.

In one embodiment, the main body 10 is a rail, the plurality of connection portions 11 are spaced apart along a length direction of the rail, and the anti-toppling portion 20 is a plate body connected to the rail. The two rails sandwich the anti-toppling portion 20, that is, the connecting portions 11 of the two rails are disposed opposite to each other, and the rails herein can be understood as a linearly extending supporting base for connecting the anti-toppling portion 20.

In one embodiment, as shown in FIG. 6, the anti-tipping portion 20 is a hollowed-out plate that is lightweight and easy to remove and install. Here, the hollow plate may be understood as a plate having a plurality of through holes, such as circular holes, elliptical holes, polygonal holes, etc.

In one embodiment, as shown in fig. 6, the liquid circulation device further includes: and a base plate 21, the base plate 21 being connected to the anti-toppling portion 20, the base plate 21 being used to support the anti-toppling portion 20, whereby toppling of the anti-toppling portion 20 can be prevented. In actual use, although the anti-toppling portion 20 is limited by the main body member 10, deformation and toppling of the anti-toppling portion 20 during actual use cannot be eliminated, and the base plate 21 can further improve the stability of the anti-toppling portion 20.

In one embodiment, the substrate 21 and the anti-toppling portion 20 have a predetermined included angle therebetween, that is, the degree of the predetermined included angle between the substrate 21 and the anti-toppling portion 20 can be determined according to actual use on the basis of ensuring that the substrate 21 supports the anti-toppling portion 20.

In one embodiment, the substrate 21 and the sample 1 may be placed on the same plane.

In one embodiment, the sample 1 may be placed on the base plate 21 to further prevent the anti-toppling portion 20 from toppling.

In one embodiment, the anti-toppling portion 20 is connected to the base plate 21 at both sides thereof, thereby preventing the anti-toppling portion 20 from being toppled left and right.

In one embodiment, the anti-toppling portion 20 and the two-side connected base plate 21 may be formed by connecting the anti-toppling portion 20 to a single integral plate, i.e., a partial plate section having plate bodies on both left and right sides, i.e., the base plate 21. Two plate bodies may be attached to both sides of the anti-toppling portion 20, thereby forming two base plates 21 on both sides of the anti-toppling portion 20. The connection relationship between the anti-toppling portion 20 and the base plate 21 and the selection of the plate body are not limited, as long as the base plates 21 are arranged on both sides of the anti-toppling portion 20.

In one embodiment, the length of the base plate 21 is smaller than the length of the anti-toppling portion 20, i.e., both ends of the anti-toppling portion 20 are reserved for portions connected to the two body members 10.

In one embodiment, the base plate 21 is integrated with the anti-toppling portion 20, thereby ensuring that the base plate 21 stably supports the anti-toppling portion 20. The integral structure here may be that the base plate 21 and the anti-toppling portion 20 are integrally formed, or the base plate 21 and the anti-toppling portion 20 are separately formed and then connected together.

In one embodiment, as shown in fig. 3, the reservoir 30 includes a heater for providing a heat source to the liquid in the reservoir 30, and the liquid circulation device further includes: refrigerator 32, refrigerator 32 is used to provide a cold source to the liquid in liquid storage portion 30. The heater and refrigerator 32 is provided to regulate the temperature of the liquid in the liquid reservoir 30 to meet the different temperature environments required for the sample 1 in the liquid bath 40.

In one embodiment, the chiller 32 is a compressor.

In one embodiment, the liquid circulation device further comprises: a liquid return channel, which communicates the liquid storage part 30 and the liquid bath 40, so that the liquid in the liquid bath 40 flows back to the liquid storage part 30 through the liquid return channel; the liquid return channel comprises a liquid discharge pipe 52, and the liquid discharge pipe 52 is convenient for liquid to flow, low in cost and convenient to arrange. The liquid storage part 30, the liquid bath 40, the liquid inlet channel and the liquid return channel form the circular flow of liquid, so that the circular utilization of the liquid is realized.

In one embodiment, as shown in fig. 1 and 2, the liquid bath 40 includes: the first liquid bath 41 is communicated with a plurality of liquid outlet holes 51; a second liquid bath 42 into which the liquid in the first liquid bath 41 flows through an overflow port 43; both ends of the drain pipe 52 are respectively communicated with the second liquid bath 42 and the liquid storage part 30, and the liquid overflowing from the overflow port 43 flows back into the liquid storage part 30 through the drain pipe 52, so that the liquid is recycled.

In one embodiment, a drain 52 is connected to the bottom of bath 40 to quickly drain the liquid in second bath 42 back into reservoir 30.

In one embodiment, as shown in fig. 1, the liquid circulation device further includes: a liquid level adjusting part 70, wherein the position of the liquid level adjusting part 70 is adjustably arranged on the overflow port 43 so as to adjust the liquid height in the first liquid bath 41. The liquid level adjusting section 70 is located in at least one of the first liquid bath 41 and the second liquid bath 42.

In one embodiment, the liquid level adjusting part 70 is adjustably arranged on the overflow port 43 to adjust the liquid height in the first liquid bath 41, that is, the height of the liquid level adjusting part 70 is adjusted according to the requirement of the liquid level height of the sample 1 during specific use, so as to adjust the height between the top end of the overflow port 43 and the plane of the liquid bath 40, thereby determining the liquid height in the first liquid bath 41, meeting the requirement of different samples 1 on the liquid level height, having better universality and convenient operation.

In one embodiment, the overflow port 43 is mainly used for discharging the excess liquid in the first liquid bath 41, that is, after the liquid in the first liquid bath 41 is excessive, the excess liquid is discharged through the overflow port 43, thereby ensuring that the liquid level in the first liquid bath 41 is kept balanced. The liquid level adjusting section 70 blocks the overflow port 43, thereby adjusting the height of the liquid in the first liquid bath 41 to be at which the liquid can flow out from the overflow port 43.

In one embodiment, the liquid level adjusting portions 70 may correspond to the overflow ports 43 one by one, that is, one overflow port 43 corresponds to one liquid level adjusting portion 70, and in this case, the liquid level adjusting portion 70 may be located in the first liquid bath 41 or the second liquid bath 42. Of course, one overflow port 43 may correspond to two liquid level adjusting portions 70, that is, the liquid level adjusting portions 70 are provided in both the first liquid bath 41 and the second liquid bath 42, and the liquid level adjusting portions may be adjusted synchronously or individually during specific adjustment, and the two liquid level adjusting portions 70 may be provided to improve the reliability of the liquid stop.

In one embodiment, as shown in fig. 1, the liquid circulation device further includes: a partition 44 provided in the liquid bath 40 to partition the liquid bath 40 into the first liquid bath 41 and the second liquid bath 42; the overflow port 43 is disposed on the partition portion 44, the liquid level adjusting portion 70 is disposed on the partition portion 44 in a position adjustable manner, and the partition portion 44 can not only separate the liquid bath 40 into two independent first liquid bath 41 and second liquid bath 42, but also can be used for supporting the liquid level adjusting portion 70, so that the utilization rate of the structure is high.

In one embodiment, the level adjustment portion 70 is located in the first liquid bath 41 or in the second liquid bath 42, i.e., the level adjustment portion 70 may be located on either side of the partition 44.

In one embodiment, the overflow 43 is disposed at the top end of the partition 44, and the overflow 43 is a notch, so that the maximum level of the liquid in the first bath 41 is the depth of the first bath 41.

In one embodiment, as shown in fig. 7, the liquid circulation device further includes: the fastening member 71 and the fastening member 71 connect the liquid level regulating portion 70 and the partition portion 44, so that the liquid level regulating portion 70 is stably connected to the partition portion 44, and the position is prevented from moving during use, thereby influencing the liquid level height in the first liquid bath 41.

In one embodiment, the liquid level adjusting portion 70 is disposed on a side of the partition portion 44 close to the first liquid bath 41, and this design can facilitate the position adjustment of the liquid level adjusting portion 70.

In one embodiment, as shown in fig. 7, a slide hole 441 is provided on the partition 44, and a fastening member 71 is connected to the liquid level adjusting part 70 after passing through the slide hole 441; wherein, the sliding hole 441 extends along the vertical direction, so that the fastening member 71 can move along the sliding hole 441 when the liquid level adjusting part 70 moves along the vertical direction, so that the fastening member 71 can still pass through the sliding hole 441 when the position of the liquid level adjusting part 70 is adjusted, i.e. the position of the fastening member 71 connected to the partition part 44 can be continuously adjusted.

In one embodiment, the partition 44 is provided with graduation marks to adjust the position of the liquid level adjusting part 70 according to the graduation marks, thereby ensuring the visual adjustment of the liquid level height in the first liquid bath 41.

In one embodiment, the height of bath 40 is greater than the height of level adjustment 70 (i.e., greater than the height of overflow 43), preventing spillage of the liquid.

In one embodiment, the first liquid bath 41 is located in the middle of the liquid bath 40, and the second liquid bath 42 is disposed around the first liquid bath 41, so that the liquid in the second liquid bath 42 can be uniformly distributed at the bottom, and can be discharged from the bottom in time.

In one embodiment, the liquid circulation device further comprises: the tank 60, the liquid reservoir 30 is disposed in the tank 60, and the liquid bath 40 is disposed on the tank 60. The tank 60 may be provided to protect the reservoir 30 and to support the bath 40.

In one embodiment, as shown in FIGS. 1, 3 and 4, bath 40 is disposed on top of tank 60; wherein, the bottom of box 60 is provided with a plurality of universal wheels 61 to can make the liquid circulating device adjust at any time according to the position demand of actual use.

In one embodiment, the universal wheel 61 is arranged to be liftable and lowerable, and the liquid level adjustment can be realized by lifting or lowering the universal wheel.

In one embodiment, bath 40 is removably disposed on top of tank 60, i.e., to facilitate separate storage of bath 40 and tank 60.

In one embodiment, a liquid storage portion 30, a refrigerator 32, a pump body 31 and a display controller 63 are disposed in the housing 60, the liquid storage portion 30 stores liquid, the refrigerator 32 refrigerates, a heater in the liquid storage portion 30 heats, the pump body 31 pumps liquid, the display controller 63 displays and controls temperature, and the liquid storage portion 30, the refrigerator 32, the pump body 31 and the display controller 63 are used for providing a reliable test environment for the sample 1.

The utility model discloses a liquid circulation device of embodiment is a liquid bath device, and the liquid in the stock solution portion 30 can be water, is greater than the principle of air according to the specific heat capacity of water, makes sample 1 place in the aquatic, and the heat of production is in time taken away by the absorption, makes sample 1 its temperature of itself be close to the target value as far as possible when the test. This liquid bath device's body 50 adopts multirow play liquid hole 51 to go out water, and places in liquid bath 40 bottom, makes unnecessary water spill over from the upper portion and flows back in the stock solution portion 30, thereby through the heating refrigeration of liquid bath device self in the homogeneity of the temperature of different positions internal water in assurance working solution bath 40. The side of the bath 40 is provided with a liquid level adjusting part 70, which can adjust the first bath 41 to different required water level heights, so as to meet the requirements of different types of products. The sample 1 is placed in the liquid bath 40, has in the liquid bath 40 and prevents empting 20, prevents empting 20 interval adjustable, can adapt to the sample 1 of different models, and makes sample 1 can keep upright state when the test. The liquid bath 40 is provided with a constant temperature water source by the liquid storage part 30 in the box 60, the constant temperature water source flows into the liquid bath 40 through the tube 50 by the pump body 31, and the tube 50 enables the constant temperature water source to flow in from the bottom, so that the uniformity of water temperature can be ensured. The liquid level adjusting part 70 can adjust the corresponding height according to the experimental requirement, thereby controlling the water level to reach the required height. The excess water entering the bath 40 flows into the second bath 42 and then flows back to the reservoir 30 through the outlet 51, thus forming a balanced circulating water bath system.

In one embodiment, the heater is used with a water level that completely submerges the heater, and the compressor-connected conduit enters the reservoir 30 and coils within the reservoir 30 to provide a source of cooling to the water therein. The liquid outlet 62 is connected to the liquid storage portion 30, and when the experiment is finished or the water in the liquid storage portion 30 needs to be replaced, the water in the liquid storage portion 30 can be discharged through the liquid outlet 62. Because the water level of the sample is required to be kept horizontal in the experiment, when the water level in the liquid bath 40 is uneven, the water level can be adjusted by rising or falling through the universal wheels 61.

In one embodiment, the liquid level adjusting portion 70 is an overflow adjusting plate, the height of the overflow adjusting plate can be adjusted according to actual needs to obtain the water level with a required height, the water level height required by products with different specifications can be considered, the universality is better, and the defect that the universality of the liquid bath pool in the prior art is too narrow is overcome.

In one embodiment, the anti-toppling portion 20 is an anti-toppling plate, which is a hollow plate, has adjustable space and sufficient strength, and has a limiting structure for limiting the anti-toppling plate to move left and right, so as to ensure that the sample 1 is not toppled and products of different specifications and models can be used, wherein the limiting structure is the substrate 21. The anti-tilting plate is used for fixing the sample 1 and preventing the sample 1 from tilting due to the influence of the channel line received by the sample 1 so as to cause accidents.

The utility model discloses a liquid circulation device utilizes liquid to provide test environment to the sample to this makes the temperature of sample be close to the target value more fast, and because liquid circulation device has formed the circulation flow of liquid, thereby has realized the cyclic utilization of liquid, and a plurality of play liquid holes that set up in the play liquid portion can discharge the different positions in liquid bath simultaneously with the liquid in the inlet channel, with the homogeneity that improves liquid temperature.

Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. The present invention is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and exemplary embodiments be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.

It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

Claims (10)

1. A liquid circulation device, comprising:

a liquid storage part (30);

a liquid bath (40), the liquid bath (40) being for containing a sample (1);

a liquid inlet channel which is communicated with the liquid storage part (30) and the liquid bath (40) so that the liquid in the liquid storage part (30) flows into the liquid bath (40) through the liquid inlet channel;

wherein, inlet channel includes a liquid portion, the at least part of liquid portion is located in liquid bathing pool (40), be provided with a plurality of liquid holes (51) on the liquid portion.

2. A liquid circulation device according to claim 1, wherein the distance between any two adjacent liquid outlet holes (51) is equal.

3. A liquid circulation device according to claim 1, wherein the exit openings (51) are arranged in a plurality of rows.

4. A liquid circulation device according to claim 3, characterized in that, a plurality of rows of the samples (1) are arranged in the liquid bath (40), and each row of the samples (1) is provided with a row of the liquid outlet holes (51);

the liquid outlet holes (51) face the sample (1), and two adjacent rows of the liquid outlet holes (51) are arranged oppositely.

5. Liquid circulation device according to any one of claims 1 to 4, characterised in that the liquid outlet is a tube (50).

6. A fluid circulation device according to claim 5, wherein the tube (50) is arranged at the bottom of the bath (40).

7. The fluid circulation device according to any one of claims 1 to 4, further comprising:

a body member (10), said body member (10) being disposed within said bath (40);

a plurality of anti-toppling portions (20), wherein a plurality of anti-toppling portions (20) are connected with the main body piece (10), and the sample (1) is accommodated between two adjacent anti-toppling portions (20);

wherein the liquid outlet part is at least one of the main body piece (10) and the pipe body (50).

8. The fluid circulation device according to claim 1, wherein the reservoir (30) includes a heater for providing a heat source to the fluid in the reservoir (30), the fluid circulation device further comprising:

a refrigerator (32), the refrigerator (32) for providing a cold source to the liquid in the liquid storage part (30).

9. The fluid circulation device of claim 1, further comprising: a liquid return channel which communicates the liquid storage part (30) and the liquid bath (40) so that the liquid in the liquid bath (40) flows back to the liquid storage part (30) through the liquid return channel;

wherein the liquid return channel comprises a liquid discharge pipe (52).

10. The fluid circulation device according to claim 9, wherein the bath (40) comprises:

the liquid outlet holes (51) are communicated with the first liquid bath (41);

a second liquid bath (42), wherein the liquid in the first liquid bath (41) flows into the second liquid bath (42) through an overflow opening (43);

wherein both ends of the drain pipe (52) are respectively communicated with the second liquid bath (42) and the liquid storage part (30).

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