CN217274939U

CN217274939U - Heat conducting rod structure capable of optimizing temperature uniformity

Info

Publication number: CN217274939U
Application number: CN202220907360.XU
Authority: CN
Inventors: 梁建国; 石保华
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-19
Filing date: 2022-04-19
Publication date: 2022-08-23
Anticipated expiration: 2032-04-19

Abstract

The utility model discloses a can optimize temperature homogeneity's heat conduction rod structure, including workstation, first heat conduction rod and heating panel, its characterized in that, workstation downside middle part is provided with thermoelectric refrigeration piece, and the workstation outer end has seted up first installation notch, first heat conduction rod is connected inside first installation notch, and the both ends outside parcel has the seal cover about the first heat conduction rod, the coating of the first heat conduction rod both ends outside has the heat-conducting glue. This can optimize heat conduction rod structure of temperature homogeneity is provided with the outside evenly distributed of workstation and heating panel has a plurality of installation notches, and then can run through the installation through a plurality of first heat conduction rods between the two when the installation, make the temperature on whole workstation surface carry out heat conduction and transmit for the bottom heating panel, guarantee the temperature neutralization of workstation surface temperature high point and temperature low point, thereby make the temperature decline of high temperature point, just so reduced the absolute temperature difference of whole working face.

Description

Heat conducting rod structure capable of optimizing temperature uniformity

Technical Field

The utility model relates to a thermoelectric refrigeration piece heat conduction pole technical field specifically is a can optimize temperature homogeneity's heat conduction pole structure.

Background

In some typical applications of thermoelectric cooling plates, such as in PCR (i.e., nucleic acid detection equipment for molecular amplification, and other facilities and equipment for working surface temperature uniformity when using thermoelectric cooling and heating technology), the cooling plates are required to continuously cool and heat the working units, and this process requires rapid heat conduction through the connection of heat conducting rods to ensure uniform surface temperature.

The thermoelectric refrigeration chips in the market have the problems of large local temperature difference and poor heat conduction performance, and therefore a heat conduction rod structure capable of optimizing temperature uniformity is provided.

Disclosure of Invention

An object of the utility model is to provide a can optimize temperature homogeneity's heat conduction rod structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a can optimize temperature homogeneity's heat conduction rod structure, includes workstation, first heat conduction rod and heating panel, its characterized in that, workstation downside middle part is provided with thermoelectric refrigeration piece, and the workstation outer end has seted up first installation notch, first heat conduction rod is connected inside first installation notch, and the parcel of the both ends outside has the seal cover about the first heat conduction rod, the coating of the first heat conduction rod both ends outside has the heat-conducting glue, the heating panel is connected in the downside of thermoelectric refrigeration piece, and has seted up the second installation notch outside the heating panel, heating panel downside fixedly connected with fin, and the workstation right side is connected with the heat conduction subassembly.

Furthermore, the first mounting notches are distributed equidistantly around the outer side of the workbench, and the structural size of the opening of each first mounting notch is matched with that of the outer end of each first heat-conducting rod.

Furthermore, the first heat-conducting rod is fixedly connected with the workbench through heat-conducting glue, and the first heat-conducting rod is shaped like Jiong.

Furthermore, the sealing sleeve and the first heat conduction rod are of an integrated structure, and the first heat conduction rod penetrates through the inside of the sealing sleeve.

Furthermore, the second mounting notch is connected with the first heat conducting rod in a clamping mode, and the size quantity of the second mounting notch is consistent with that of the first mounting notch.

Furthermore, the heat conduction assembly comprises a second heat conduction rod, positioning holes and screws, the positioning holes are formed in the upper end and the lower end of the middle of the second heat conduction rod, and the screws penetrate through the positioning holes.

Furthermore, the second heat conducting rod is fixedly connected with the workbench through a screw, and the screw penetrates through the inside of the first mounting notch.

The utility model provides a can optimize temperature homogeneity's heat conduction rod structure possesses following beneficial effect: the heat conducting rod structure capable of optimizing the temperature uniformity enables a thermal short circuit to be generated between cold and hot surfaces by using the heat conducting rod structure capable of optimizing the temperature uniformity, and enables the highest temperature point and the lowest temperature point on the other surface to generate temperature neutralization, so that the temperature of a high temperature point is reduced, and the absolute temperature difference of the whole working surface is reduced;

the heat conducting rod structure capable of optimizing temperature uniformity is provided with a first mounting notch, a plurality of first mounting notches which are distributed at equal intervals are formed in the outer side of the workbench and used for bearing the first heat conducting rod for penetrating connection, and stable mounting of the first heat conducting rod and the workbench is guaranteed;

the heat conducting rod structure capable of optimizing temperature uniformity is provided with sealing sleeves, the outer sides of the upper end and the lower end of a first heat conducting rod are respectively attached with an annular sealing sleeve, when the first heat conducting rod penetrates through a first mounting groove opening in a workbench and a second mounting groove opening in a heat dissipation plate to be completely attached, the two sealing sleeves are respectively attached to the surfaces of the workbench and the heat dissipation plate, and then the connecting opening of the workbench and the heat dissipation plate is sealed, so that the heat conducting glue in the first heat conducting rod and the mounting groove opening are prevented from overflowing to cause waste when the first heat conducting rod is attached to the mounting groove opening;

this can optimize temperature homogeneity's heat conduction rod structure is provided with first heat conduction rod, the outside evenly distributed of workstation and heating panel has a plurality of installation notches, and then can run through the installation through a plurality of first heat conduction rods between the two when the installation, and then carry out heat conduction transmission to the temperature on whole workstation surface and give the bottom heating panel, guarantee the temperature neutralization of workstation surface temperature high point and temperature low point, thereby make the temperature decline of high temperature point, just so reduced the absolute temperature difference of whole working face, the temperature uniformity on the whole workstation surface of optimization.

Drawings

FIG. 1 is a schematic view of a connection structure between a work table and a first heat-conducting rod of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 3 is a schematic view of the connection structure between the working table and the second heat-conducting rod of the present invention.

In the figure: 1. a work table; 2. a thermoelectric refrigeration chip; 3. a first mounting notch; 4. a first heat-conducting rod; 5. sealing sleeves; 6. heat conducting glue; 7. a heat dissipation plate; 8. a second mounting notch; 9. a heat sink; 10. a heat conducting component; 1001. a second heat-conducting rod; 1002. positioning holes; 1003. and (4) screws.

Detailed Description

As shown in fig. 1 and 2, a heat conduction rod structure capable of optimizing temperature uniformity, comprising a work table 1, a first heat conduction rod 4 and a heat dissipation plate 7, it is characterized in that the middle part of the lower side of the workbench 1 is provided with a thermoelectric refrigeration piece 2, the outer end of the workbench 1 is provided with a first mounting notch 3, a first heat conducting rod 4 is connected inside the first mounting notch 3, and the outer sides of the upper end and the lower end of the first heat conducting rod 4 are wrapped with seal sleeves 5, the first mounting notches 3 are distributed at equal intervals around the outer side of the workbench 1, the structural size of the opening of the first mounting notch 3 is matched with the structural size of the outer end of the first heat conducting rod 4, a plurality of first mounting notches 3 which are distributed at equal intervals are arranged on the outer side of the workbench 1, the heat conducting rod is used for carrying the first heat conducting rod 4 to be in through connection, and the first heat conducting rod 4 and the workbench 1 are guaranteed to be stably installed. Seal cover 5 is integral structure with first heat conduction pole 4, and first heat conduction pole 4 runs through inside seal cover 5, the outside at both ends about first heat conduction pole 4 is laminated respectively and is had an annular seal cover 5, run through in the inside first installation notch 3 of workstation 1 and the inside second installation notch 8 of heating panel 7 and when laminating completely at first heat conduction pole 4, two seal covers 5 are laminated respectively in the surface of workstation 1 and heating panel 7, and then seal both junctions, guarantee that first heat conduction pole 4 can not spill over and cause the waste with the heat conduction glue 6 of inside when the installation notch laminating. The coating in the 4 both ends outsides of first heat conduction pole has heat conduction glue 6, and first heat conduction pole 4 is fixed connection through heat conduction glue 6 and workstation 1, and just first heat conduction pole 4 is "Jiong" word form, and when first heat conduction pole 4 and workstation 1, heating panel 7 run through the laminating, both junctions are bonded fixedly through coating heat conduction glue 6, guarantee to connect between the two firmly, avoid both pine to take off mutually. Heating panel 7 is connected in thermoelectric refrigeration piece 2's downside, and second installation notch 8 has been seted up in the heating panel 7 outside, second installation notch 8 is the block with first heat conduction pole 4 and is connected, and 8 size quantity of second installation notch are consistent with 3 size quantity of first installation notch, the outside evenly distributed of workstation 1 and heating panel 7 has a plurality of installation notches, and then can run through the installation through a plurality of first heat conduction poles 4 between the two when the installation, make the temperature on 1 surperficial of whole workstation carry out heat conduction and transmit for bottom heating panel 7, guarantee the temperature neutralization of 1 surface temperature high point of workstation and temperature low point, thereby make the temperature decline of high temperature point, just so reduced the absolute temperature difference of whole working face, the uniformity of 1 surface temperature of whole workstation of optimization. The lower side of the heat radiation plate 7 is fixedly connected with a heat radiation fin 9, and the right side of the workbench 1 is connected with a heat conduction assembly 10.

As shown in fig. 3, the heat conducting assembly 10 includes a second heat conducting rod 1001, a positioning hole 1002 and a screw 1003, the positioning hole 1002 is opened at the upper end and the lower end of the middle of the second heat conducting rod 1001, a screw 1003 is connected inside the positioning hole 1002, the second heat conducting rod 1001 is fixedly connected with the workbench 1 through the screw 1003, the screw 1003 is connected inside the first mounting slot opening 3, the workbench 1 can be correspondingly connected with the heat dissipating plate 7 through the second heat conducting rod 1001, so that the whole second heat conducting rod 1001 is attached to the outer side surfaces of the workbench 1 and the heat dissipating plate 7, the first mounting slot opening 3 and the second mounting slot opening 8 are correspondingly and respectively connected through the upper screw 1003 and the lower screw 1003, and the tightness of the second heat conducting rod 1001 is improved.

In summary, the heat conducting rod structure capable of optimizing temperature uniformity is used, firstly, a proper amount of heat conducting glue 6 is coated inside the first mounting notch 3 and the second mounting notch 8, meanwhile, a layer of heat conducting glue 6 is coated at the tail end parts of the sealing sleeves 5 at the two ends of the first heat conducting rod 4, then the two ends of the first heat conducting rod 4 respectively penetrate through the inside of the first mounting notch 3 of the workbench 1 and the inside of the second mounting notch 8 of the heat radiating plate 7, when the first heat conducting rod 4 penetrates through the first mounting notch 3 inside the workbench 1 and the second mounting notch 8 inside the heat radiating plate 7 and is completely attached, the two sealing sleeves 5 are respectively attached to the surfaces of the workbench 1 and the heat radiating plate 7, and then the connecting opening of the workbench and the heat radiating plate is sealed, so that the heat conducting glue 6 inside when the first heat conducting rod 4 is attached to the mounting notches can not overflow to cause waste, correspondingly, the heat conducting glue 6 is adhered and fixed, the first heat conducting rods 4 are ensured to be connected stably, the loosening of the first heat conducting rods 4 is avoided, the heat conducting glue 6 does not influence the overall heat conducting performance, a plurality of mounting notches are uniformly distributed on the outer sides of the workbench 1 and the heat radiating plate 7, and the first heat conducting rods 4 can penetrate through the workbench 1 and the heat radiating plate 7 during mounting, so that the surface temperature of the workbench 1 is subjected to heat conducting transmission and transmitted to the heat radiating plate 7 at the bottom end, the temperature neutralization of a high temperature point and a low temperature point of the surface temperature of the workbench 1 is ensured, the temperature of the high temperature point is reduced, the absolute temperature difference of the whole working surface is reduced, and the surface temperature consistency of the whole workbench 1 is optimized; correspondingly, the workbench 1 can be correspondingly connected with the heat dissipation plate 7 through the second heat conduction rod 1001, so that the whole second heat conduction rod 1001 is attached to the outer side surfaces of the workbench 1 and the heat dissipation plate 7, and correspondingly, the upper screw 1003 and the lower screw 1003 respectively penetrate through the first installation notch 3 and the second installation notch 8 for locking and fixing, the installation tightness of the second heat conduction rod 1001 is improved, the structural material of the second heat conduction rod 1001 is consistent with the structural material of the first heat conduction rod 4, and the second heat conduction rod is an aluminum or copper metal rod and has good heat conduction performance, the number of the heat conduction rods or the diameter of the heat conduction rods determines the heat conduction performance, the larger the cross section area of the heat conduction rods is, the larger the absolute temperature difference reduction is, the more the heat conduction rods with the same cross section area are, the larger the absolute temperature difference reduction is, and when the heat conduction rod is used specifically, a small number of heat conduction rods with the larger cross section area can be selected according to the structural characteristics of a product, or a plurality of heat conducting rods with smaller cross-sectional areas are selected, so that the whole heat conducting rod structure with optimized temperature uniformity is used.

Claims

1. A heat conducting rod structure capable of optimizing temperature uniformity comprises a workbench (1), a first heat conducting rod (4) and a heat dissipation plate (7), it is characterized in that the middle part of the lower side of the workbench (1) is provided with a thermoelectric refrigeration piece (2), and the outer end of the workbench (1) is provided with a first mounting notch (3), the first heat conducting rod (4) is connected inside the first mounting notch (3), and the outer sides of the upper end and the lower end of the first heat conducting rod (4) are wrapped with sealing sleeves (5), the outer sides of two ends of the first heat conducting rod (4) are coated with heat conducting glue (6), the heat radiating plate (7) is connected with the lower side of the thermoelectric refrigerating sheet (2), and a second mounting notch (8) is formed in the outer side of the heat dissipation plate (7), the heat dissipation plate (7) is fixedly connected with a heat dissipation sheet (9) in the lower side, and the heat conduction assembly (10) is connected to the right side of the workbench (1).

2. A heat-conducting rod structure for optimizing temperature uniformity according to claim 1, wherein the first mounting notches (3) are equidistantly distributed around the outer side of the working platform (1), and the opening structure size of the first mounting notches (3) is matched with the outer end structure size of the first heat-conducting rod (4).

3. A heat-conducting rod structure for optimizing temperature uniformity according to claim 1, wherein said first heat-conducting rod (4) is fixedly connected to said working platform (1) by means of heat-conducting glue (6), and said first heat-conducting rod (4) is shaped like "Jiong".

4. A heat-conducting rod structure able to optimize the temperature homogeneity, according to claim 1, characterized in that the sealing sleeve (5) is of an integral structure with the first heat-conducting rod (4), and the first heat-conducting rod (4) penetrates inside the sealing sleeve (5).

5. A heat-conducting rod structure for optimizing temperature uniformity according to claim 1, wherein the second mounting notches (8) are engaged with the first heat-conducting rod (4), and the size and number of the second mounting notches (8) are the same as those of the first mounting notches (3).

6. The structure of the heat conducting rod capable of optimizing temperature uniformity according to claim 1, wherein the heat conducting assembly (10) comprises a second heat conducting rod (1001), a positioning hole (1002) and a screw (1003), the positioning hole (1002) is formed in the middle of the second heat conducting rod (1001) at the upper end and the lower end, and the screw (1003) penetrates through the positioning hole (1002).

7. A heat-conducting rod structure capable of optimizing temperature uniformity according to claim 6, wherein the second heat-conducting rod (1001) is fixedly connected with the working platform (1) through a screw (1003), and the screw (1003) penetrates through the inside of the first mounting notch (3).