CN212719641U - Light source heat radiating device for dry chemical analyzer - Google Patents

Abstract

The utility model discloses a light source heat abstractor for dry-type chemical analysis appearance, include: the heat dissipation mechanism is arranged in the outer cover and is positioned below the light source; the heat dissipation mechanism comprises a shock insulation seat, a heat dissipation block arranged on the shock insulation seat and positioned right below the light source, and a fan arranged on the side part of the heat dissipation block; the upper surface of the radiating block is internally provided with a first air guide hole along the vertical direction, a second air guide hole which penetrates through the radiating block and is communicated with the first air guide hole is horizontally arranged in the radiating block, and the second air guide hole is respectively provided with an air inlet and an air outlet on the first side surface and the second side surface of the radiating block. The utility model discloses a radiating block, fan can carry out efficient initiative heat dissipation to optics, in time take away the heat, guarantee the normal work of light source, and heat dissipation mechanism and light source not direct contact to can prevent that the vibrations that the fan produced from influencing the work of light source.

Description

Light source heat radiating device for dry chemical analyzer

Technical Field

The utility model relates to an external diagnostic equipment field, in particular to a light source heat abstractor for dry-type chemical analysis appearance.

Background

A dry chemical analyzer is an analyzer for clinical chemical examination using a solid-phase carrier reagent (e.g., a test strip), and quantitatively measures the concentration or activity of a specific component in a sample by a reflection photometry (a method of irradiating a sample with light and detecting the reflected light of the sample by a light-sensitive sensor to obtain a detection result), a differential potential method, or the like. The dry chemical analyzer generally comprises a shell, an optical detection mechanism, a power supply and the like, wherein the optical detection mechanism, the power supply and the like are arranged in the shell, the optical detection mechanism comprises a light source for realizing detection, the light source often generates heat in the working process, and if the heat is not dissipated in time, the work of the light source is easily influenced and even the light source is damaged. Current dry-type chemical analysis appearance makes the air flow naturally and realizes the heat dissipation only through setting up the vent usually, if the light source only works for a short time, it can satisfy the heat dissipation demand, but when the light source lasts the work, the radiating effect is difficult to reach the requirement.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to the not enough among the above-mentioned prior art, provide a light source heat abstractor for dry-type chemical analysis appearance.

In order to solve the technical problem, the utility model discloses a technical scheme is: a light source heat sink for a dry chemical analyzer, comprising: the heat dissipation mechanism is arranged in the outer cover and is positioned below the light source;

the heat dissipation mechanism comprises a shock insulation seat, a heat dissipation block arranged on the shock insulation seat and positioned right below the light source, and a fan arranged on the side part of the heat dissipation block;

the upper surface of the radiating block is internally provided with a first air guide hole along the vertical direction, a second air guide hole which penetrates through the radiating block and is communicated with the first air guide hole is horizontally arranged in the radiating block, the second air guide hole is respectively provided with an air inlet and an air outlet on the first side surface and the second side surface of the radiating block, and the fan is arranged on the first side surface; the middle parts of the inner walls of the two sides of the second air guide hole protrude towards the middle to form an arc-shaped bulge, so that the second air guide hole forms a structure with wide upper and lower ends and narrow middle.

Preferably, a plurality of first radiating fins which are arranged at intervals along the vertical direction are arranged on the third side surface and the fourth side surface of the radiating block, and a first radiating groove is formed between the first radiating fins;

the inner ends of the first radiating fins form an arc shape matched with the inner walls of the two sides of the second air guide hole in the vertical direction.

Preferably, the cross section of the first air guide hole along the vertical direction is conical;

the upper surface of the radiating block is provided with a plurality of radiating holes around the periphery of the first air guide hole.

Preferably, the bottom surface of the heat dissipation block is provided with a plurality of second heat dissipation fins, and second heat dissipation grooves are formed between the second heat dissipation fins.

Preferably, the outer cover is provided with a first opening opposite to the fan, a second opening opposite to the air outlet, and two heat dissipation ports corresponding to the third side and the fourth side of the heat dissipation block.

Preferably, the vibration isolation seat comprises a base and a vibration isolation cushion arranged on the upper surface of the base.

Preferably, the bottom both sides rigid coupling of radiating block has two mounting panels, first screw hole has all been seted up on two mounting panels, two rows of screw thread punch combination have been seted up on the shock insulation seat, every row the screw thread punch combination all includes a plurality of second screw holes that set up along sharp interval, first screw hole and second screw hole accessible screwed connection.

Preferably, each row of the threaded hole groups is provided with a guide chute communicated with all the second threaded holes, and the bottoms of the two mounting plates are connected with sliding blocks which can be inserted into the guide chutes in a sliding manner.

Preferably, the shock insulation seat is further fixedly connected with an auxiliary mounting block, and the length direction of the auxiliary mounting block is the same as the arrangement direction of the plurality of second threaded holes in the threaded hole group;

the cross-section of the auxiliary mounting block is T-shaped, the bottom of the heat dissipation block is fixedly connected with a clamping plate which can slide along the length direction of the auxiliary mounting block, and a T-shaped groove is formed in the bottom of the clamping plate.

Preferably, the inside of supplementary installation piece is seted up the cavity along length direction, the cavity intussuseption is filled with and is inhaled the shake rubber stick.

The utility model has the advantages that: the utility model discloses a light source heat abstractor for dry-type chemical analyzer can carry out the high-efficient initiative heat dissipation to optics through radiating block, fan, takes away the heat in time, guarantees the normal work of light source, and heat dissipation mechanism and light source not direct contact to can prevent that the vibrations that the fan produced from influencing the work of light source; the utility model discloses a set up shock insulation pad and inhale the vibrations that the shock absorption rubber stick can greatly reduced heat dissipation mechanism produce, avoid heat dissipation mechanism to cause negative effects to other components of instrument.

Drawings

Fig. 1 is a schematic structural view of a light source heat sink for a dry chemical analyzer according to the present invention;

fig. 2 is a schematic structural view of the outer cover of the present invention;

fig. 3 is a schematic structural view of the heat dissipation mechanism of the present invention;

fig. 4 is a schematic view of the present invention at a position a in fig. 3;

fig. 5 is a side view of the heat dissipation mechanism of the present invention;

fig. 6 is a front view of the heat dissipation mechanism of the present invention;

fig. 7 is a schematic structural view of a heat dissipation mechanism according to embodiment 2 of the present invention;

fig. 8 is a side view of a heat dissipation mechanism according to embodiment 2 of the present invention.

Description of reference numerals:

1-a housing; 10 — a first opening; 11 — a second opening; 12-a heat dissipation port; 13-a mounting frame;

2-a heat dissipation mechanism;

3, a shock insulation seat; 30-a base; 31-vibration isolation cushion; 32-a thread hole group; 33 — a second threaded hole; 34-a guide chute; 35-auxiliary mounting block; 36-mounting holes;

4, a heat dissipation block; 40-a first air guide hole; 41-a second air guiding hole; 42-a wiring hole; 43-air outlet; 44 — a first side of the heatslug; 45-the second side of the heat sink; 46-a third side of the heat slug; 47 — a fourth side of the heat slug; 48-arc bulge; 49-heat dissipation holes; 400-a first heat sink; 401 — first heat sink; 402 — a second heat sink; 403-second heat sink; 404-mounting a plate; 405 — a first threaded hole; 406 — a slider; 407-card board; 408-T-shaped groove; 409-a cavity; 4090-shock absorbing rubber rod;

5, a fan;

6-light source.

Detailed Description

The present invention is further described in detail below with reference to examples so that those skilled in the art can implement the invention with reference to the description.

It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

As shown in fig. 1 to 6, a heat sink for a light source of a dry chemical analyzer according to the present embodiment includes: a housing 1 for mounting the light source 6 and a heat dissipation mechanism 2 disposed within the housing 1 and below the light source 6.

In the dry chemical analyzer, the light source 6 is used for optical detection, and the light source 6 generates a large amount of heat during the working process, so that heat dissipation is required in time to prevent the damage of elements. In this embodiment, the heat is dissipated by providing the heat dissipation mechanism 2. The inside mounting bracket 13 that is provided with of dustcoat 1, light source 6 install on mounting bracket 13, and heat dissipation mechanism 2 sets up in light source 6 below, through reinforcing air convection, realizes the heat dissipation. More detailed examples are provided below on the basis thereof.

Example 1

Referring to fig. 1-3, in the present embodiment, the heat dissipation mechanism 2 includes a vibration-isolated seat 3, a heat dissipation block 4 disposed on the vibration-isolated seat 3 and directly below the light source 6, and a fan 5 disposed at a side of the heat dissipation block 4;

the upper surface of the radiating block 4 is internally provided with a first air guide hole 40 along the vertical direction, a second air guide hole 41 which penetrates through the radiating block 4 and is communicated with the first air guide hole 40 is arranged in the radiating block 4 along the horizontal direction, the second air guide hole 41 is respectively provided with an air inlet and an air outlet 43 on a first side surface 44 and a second side surface of the radiating block, and the fan 5 is arranged on the first side surface; the middle parts of the inner walls of the two sides of the second air guiding hole 41 protrude towards the middle to form an arc-shaped bulge 48, so that the second air guiding hole 41 has a structure with wide upper and lower ends and narrow middle.

A plurality of first radiating fins 400 which are arranged at intervals along the vertical direction are arranged on the third side surface 46 and the fourth side surface 47 of the radiating block, and a first radiating groove 401 is formed between the first radiating fins 400; the inner ends of the first heat dissipation fins 400 are formed in an arc shape in the vertical direction, which is matched with the inner walls of the two sides of the second air guiding hole 41.

The upper surface of the heat dissipation block 4 is provided with a plurality of heat dissipation holes 49 around the periphery of the first air guiding hole 40.

The bottom surface of the heat dissipation block 4 is provided with a plurality of second heat dissipation fins 402, and second heat dissipation grooves 403 are formed between the second heat dissipation fins 402.

The outer cover 1 is provided with a first opening 10 opposite to the fan 5, a second opening 11 opposite to the air outlet 43, and two heat dissipating ports 12 corresponding to the third side 46 and the fourth side of the heat dissipating block. A plurality of openings are arranged on the outer cover 1 to ensure that the air in the outer cover 1 can smoothly circulate under the action of the heat dissipation mechanism 2, so that heat dissipation is realized.

The radiating block 4 is also provided with a wiring hole 42 for connecting the fan 5 with a power supply conveniently.

The utility model discloses heat dissipation mechanism 2's heat dissipation principle does: under the action of the fan 5, outside air enters the outer cover 1 through the first opening 10, wherein a part of the outside air enters the second air guide hole 41 through the air inlet and is then discharged from the air outlet 43; in the process, because the first air guiding hole 40 is vertically communicated with the second air guiding hole 41, on one hand, under the driving action of the air flow, the hot air above the first air guiding hole 40 (the first air guiding hole 40 is located below the light source 6, and the heat generated by the light source 6 is gathered above the first air guiding hole 40 to form the hot air) flows into the first air guiding hole 40, on the other hand, the flow action of the second air guiding hole 41 in the horizontal direction generates negative pressure at the upper part of the first air guiding hole 40, so that the hot air above the first air guiding hole 40 is sucked into the first air guiding hole 40, and the hot air entering the first air guiding hole 40 passes through the air outlet 43 along with the air flow and then is discharged from the second opening 11, thereby carrying a large amount of heat. Meanwhile, the heat dissipation block 4 absorbs heat from the inside hot air and the hot air in the peripheral environment (the upper surface of the heat dissipation block 4 is located below the light source 6, and the distance is short, so that a large amount of heat can be absorbed), the other part of air entering the outer cover 1 under the action of the fan 5 flows from the first side surface 44 to the second side surface of the heat dissipation block, a large amount of heat can be taken away through the first heat dissipation fin 400 and the second heat dissipation fin 402 in the flowing process, and then the hot air flows out of the outer cover 1 from the second opening 11 and the heat dissipation port 12, so that heat dissipation is achieved. Wherein, because the upper surface of radiating block 4 still is provided with louvre 49, part hot-air of radiating block 4 flows downwards through louvre 49, takes away partial heat, then airflow outflow dustcoat 1 thereupon assists and dispels the heat. Through the structural design, the heat dissipation mechanism 2 has high heat dissipation efficiency, and heat dissipation of the light source 6 can be well realized. And the heat dissipation mechanism 2 is not in contact with the light source 6, so that the vibration generated by the fan 5 can be prevented from influencing the operation of the light source 6 (the light source 6 is used for realizing a detection function, and the vibration easily damages the light source 6 on one hand and also easily influences the operation of the light source 6 on the other hand, so that the detection of an instrument is influenced).

The second air guiding hole 41 has a structure with wide upper and lower ends and a narrow middle, and the inner end of the first heat sink 400 is formed in an arc shape matching with the inner walls of the two sides of the second air guiding hole 41 in the vertical direction. The design of this structure can increase the contact area of the inner walls of the first heat sink 400 and the second air guiding hole 41 (the contact surface of the two is an arc surface, and the area is increased relative to the plane with the same height), and enhance the heat absorption effect of the first heat sink 400 on the hot air flowing through the second air guiding hole 41, thereby improving the heat dissipation effect of the whole heat dissipation mechanism 2.

In a preferred embodiment, the first air guiding hole 40 is tapered in vertical cross section. The tapered first air guiding hole 40 can improve the suction effect of the first air guiding hole 40 on the hot air above the first air guiding hole.

Example 2

In a further preferred embodiment based on embodiment 1, referring to fig. 3 to 6, in the present embodiment, the seismic isolation mount 3 includes a base 30 and a seismic isolation pad 31 provided on an upper surface of the base 30. It should be understood that, since the heat dissipation mechanism 2 and the housing 1 need to be mounted on the housing of the dry chemical analyzer, if the heat dissipation mechanism 2 has large vibration, it is easy to adversely affect other devices in the dry chemical analyzer, and noise is also easy to generate. Therefore, in this embodiment, the vibration of the heat dissipation mechanism 2 caused by the rotation of the fan 5 can be greatly reduced by the vibration isolation base 3.

Two mounting plates 404 are fixedly connected to two sides of the bottom of the heat dissipation block 4, first threaded holes 405 are formed in the two mounting plates 404, two rows of threaded hole groups 32 are formed in the vibration isolation seat 3, each row of threaded hole groups 32 comprises a plurality of second threaded holes 33 which are arranged at intervals along a straight line, and the first threaded holes 405 and the second threaded holes 33 can be connected through screws. Namely, the heat dissipating block 4 is fixed to the vibration-isolated mount 3 by screws, and since the second screw holes 33 are provided with a plurality of linear arranged, the mounting position of the heat dissipating block 4 on the vibration-isolated mount 3 can be adjusted, thereby facilitating the arrangement of the heat dissipating block 4.

Wherein, the vibration isolation seat 3 is further fixedly connected with an auxiliary mounting block 35, and the length direction of the auxiliary mounting block 35 is the same as the arrangement direction of the plurality of second threaded holes 33 in the threaded hole group 32; the auxiliary mounting block 35 has a T-shaped cross section, the bottom of the heat dissipation block 4 is fixedly connected with a clamping plate 407 capable of sliding along the length direction of the auxiliary mounting block 35, and the bottom of the clamping plate 407 is provided with a T-shaped groove 408. The inside of the auxiliary mounting block 35 is provided with a cavity 409 along the length direction, and the cavity 409 is filled with a shock-absorbing rubber rod 4090. The vibration isolation seat 3 is further provided with a mounting hole 36 so as to realize the connection between the vibration isolation seat 3 and the shell of the dry chemical analyzer.

Through cardboard 407T type groove 408 with the cross-section be the cooperation of the supplementary installation piece 35 of T shape, make the radiating block 4 slide on supplementary installation piece 35 to conveniently adjust the mounted position of adaptation, then make first screw hole 405 align with the second screw hole 33 that corresponds, it can to fix through screwed connection.

Wherein, the vibration isolation pad 31 can be a rubber pad, which can effectively absorb vibration. The auxiliary mounting block 35 is positioned between the shock insulation seat 3 and the heat dissipation block 4, plays a role of auxiliary support for the heat dissipation block 4, and the shock absorption rubber rod 4090 inside the auxiliary mounting block 35 can also absorb the shock of the heat dissipation block 4, so that the shock generated by the heat dissipation mechanism 2 can be greatly reduced.

In a preferred embodiment, referring to fig. 7-8, each row of the screw hole groups 32 is opened with a guide chute 34 communicating with all the second screw holes 33 therein, and the bottom of each mounting plate 404 is connected with a sliding block 406 slidably inserted in the guide chute 34. When the heat dissipation block 4 is pushed to adjust the installation position of the heat dissipation block on the vibration isolation seat 3, the position of the heat dissipation block 4 is convenient to adjust quickly through the limitation of the sliding block 406 in the guide sliding groove 34, and the heat dissipation block is fixed through screws after being adjusted.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

While the embodiments of the invention have been disclosed above, it is not limited to the applications listed in the description and the embodiments, which are fully applicable in all kinds of fields where the invention is suitable, and further modifications may readily be made by those skilled in the art, and the invention is therefore not limited to the specific details without departing from the general concept defined by the claims and the scope of equivalents.

Claims (10)

1. A light source heat sink for a dry chemical analyzer, comprising: the heat dissipation mechanism is arranged in the outer cover and is positioned below the light source;

the heat dissipation mechanism comprises a shock insulation seat, a heat dissipation block arranged on the shock insulation seat and positioned right below the light source, and a fan arranged on the side part of the heat dissipation block;

the upper surface of the radiating block is internally provided with a first air guide hole along the vertical direction, a second air guide hole which penetrates through the radiating block and is communicated with the first air guide hole is horizontally arranged in the radiating block, the second air guide hole is respectively provided with an air inlet and an air outlet on the first side surface and the second side surface of the radiating block, and the fan is arranged on the first side surface; the middle parts of the inner walls of the two sides of the second air guide hole protrude towards the middle to form an arc-shaped bulge, so that the second air guide hole forms a structure with wide upper and lower ends and narrow middle.

2. The light source heat sink for a dry chemical analyzer according to claim 1, wherein a plurality of first heat dissipating fins are disposed on each of the third side and the fourth side of the heat dissipating block at intervals in a vertical direction, and first heat dissipating grooves are formed between the first heat dissipating fins;

the inner ends of the first radiating fins form an arc shape matched with the inner walls of the two sides of the second air guide hole in the vertical direction.

3. The light source heat sink for a dry chemical analyzer as set forth in claim 2, wherein the first air guide hole has a tapered cross section in a vertical direction;

the upper surface of the radiating block is provided with a plurality of radiating holes around the periphery of the first air guide hole.

4. The light source heat sink for a dry chemical analyzer according to claim 3, wherein the bottom surface of the heat dissipating block is provided with a plurality of second heat dissipating fins, and second heat dissipating grooves are formed between the second heat dissipating fins.

5. The light source heat sink for a dry chemical analyzer as set forth in claim 4, wherein the housing has a first opening facing the fan, a second opening facing the air outlet, and two heat dissipating ports corresponding to the third and fourth sides of the heat dissipating block.

6. The light source heat sink for a dry chemical analyzer as set forth in claim 1, wherein the vibration-isolating mount comprises a base and a vibration-isolating pad disposed on an upper surface of the base.

7. The light source heat sink for the dry chemical analyzer as claimed in claim 1, wherein two mounting plates are fixed to two sides of the bottom of the heat sink, the two mounting plates are both provided with a first threaded hole, the seismic isolation base is provided with two rows of threaded hole sets, each row of threaded hole set comprises a plurality of second threaded holes spaced along a straight line, and the first threaded holes and the second threaded holes are connected by screws.

8. The light source heat sink for a dry chemical analyzer according to claim 7, wherein each row of the screw hole sets has a guide chute for communicating with all the second screw holes therein, and the bottom of the two mounting plates are connected to a slider slidably inserted in the guide chute.

9. The light source heat sink for the dry chemical analyzer as claimed in claim 7, wherein the vibration isolating base is further fixedly connected with an auxiliary mounting block, and the length direction of the auxiliary mounting block is the same as the arrangement direction of the second threaded holes in the threaded hole group;

the cross-section of the auxiliary mounting block is T-shaped, the bottom of the heat dissipation block is fixedly connected with a clamping plate which can slide along the length direction of the auxiliary mounting block, and a T-shaped groove is formed in the bottom of the clamping plate.

10. The light source heat sink for a dry chemical analyzer according to claim 9, wherein the auxiliary mounting block has a cavity formed therein along a length direction, and the cavity is filled with a shock-absorbing rubber rod.

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