CN218998685U

CN218998685U - Scanning imaging device

Info

Publication number: CN218998685U
Application number: CN202223232973.7U
Authority: CN
Inventors: 郑小春; 倪龙海; 金慧君; 谢舒平
Original assignee: PINGSENG HEALTHCARE (KUNSHAN) Inc
Current assignee: PINGSENG HEALTHCARE (KUNSHAN) Inc
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-05-09
Anticipated expiration: 2032-12-02

Abstract

The utility model discloses a scanning imaging device, which comprises a shell, a box frame, a detector and a circuit board box, wherein a sample feeding hole is formed in the shell, a plurality of ventilation openings are further formed in the shell, the box frame is installed on the shell, the box frame is provided with a sample feeding channel communicated with the sample feeding hole and a heat dissipation cavity arranged around the sample feeding channel, the detector is installed on the outer side wall of the sample feeding channel, the circuit board box is arranged in the shell, the circuit board box is provided with an installation cavity for installing a circuit system, the heat dissipation device comprises a plurality of heat dissipation pipelines and a plurality of heat dissipation fans, the heat dissipation fans are used for driving airflow in the heat dissipation pipelines to flow, two ends of part of the heat dissipation pipelines are respectively connected with the heat dissipation cavity and the ventilation openings, and two ends of part of the heat dissipation pipelines are respectively connected with the installation cavity and the ventilation openings. The scanning imaging device can conduct targeted heat dissipation on the detector and the circuit system, is high in heat dissipation efficiency and good in heat dissipation effect, and accordingly working reliability of the scanning imaging device is guaranteed well.

Description

Scanning imaging device

Technical Field

The utility model relates to the technical field of medical equipment, in particular to scanning imaging equipment.

Background

In the technical field of medical appliances, a scanning imaging device is a common device, and a circuit system and a detector for scanning generate a large amount of heat in the operation process of the scanning imaging device, so that the temperature of the circuit system and the detector are rapidly increased, the accumulated heat is not discharged in time, the working performance of the detector and a processor of the circuit system is seriously affected, the system is crashed, and in order to ensure that the circuit system normally works in an allowable temperature range, the stability of the circuit system is maintained, and the circuit system must be actively and timely and effectively cooled. At present, a plurality of fans are generally arranged on a box body of the scanning imaging device, the whole device is cooled, the cooling mode cannot be used for cooling, and cooling efficiency is low.

Disclosure of Invention

The utility model aims to provide a scanning imaging device which can conduct heat dissipation on a detector and a circuit system, has higher heat dissipation efficiency and better heat dissipation effect, and further better ensures the working reliability of the scanning imaging device.

To achieve the technical effects:

the utility model discloses a scanning imaging device, comprising: the shell is provided with a sample feeding hole and a plurality of ventilation openings; the box body frame is arranged on the shell and is provided with a sample feeding channel communicated with the sample feeding hole and a heat dissipation cavity arranged around the sample feeding channel; the detector is arranged on the outer side wall of the sample feeding channel; the circuit board box is arranged in the shell and is provided with a mounting cavity for mounting the circuit system; the heat dissipation device comprises a plurality of heat dissipation pipelines and a plurality of heat dissipation fans, wherein the heat dissipation fans are used for driving airflow in the heat dissipation pipelines to flow, two ends of the heat dissipation pipelines are respectively connected with the heat dissipation cavity and the ventilation opening, and two ends of the heat dissipation pipelines are respectively connected with the mounting cavity and the ventilation opening.

In some embodiments, the vent comprises an air inlet and an air outlet, the heat dissipation cavity has a heat dissipation inlet and a heat dissipation outlet, and the mounting cavity has a mounting inlet and a mounting outlet, wherein: the heat dissipation pipeline is connected among the heat dissipation inlet, the air inlet, the heat dissipation outlet, the air outlet, the mounting inlet, the air inlet, the mounting outlet and the air outlet; the heat radiation inlet, the heat radiation outlet, the installation inlet and the installation outlet are all provided with the heat radiation fan.

In some specific embodiments, the air inlet comprises a first air inlet provided on a top wall of the housing and a second air inlet provided on a front side wall of the housing; the heat dissipation inlet comprises a first heat dissipation inlet arranged on the top wall of the heat dissipation cavity and a second heat dissipation inlet arranged on the bottom wall of the heat dissipation cavity; wherein: the first heat dissipation inlet is communicated with the first air inlet through a first heat dissipation pipeline, and the second heat dissipation inlet is communicated with the second air inlet through a second heat dissipation pipeline.

In some more specific embodiments, the first heat dissipation inlets and/or the second heat dissipation inlets are multiple, and each of the first heat dissipation inlets and each of the second heat dissipation inlets is provided with one heat dissipation fan.

In some specific embodiments, the air outlet is disposed on a side wall of the housing, the heat dissipation outlet is communicated with the air outlet through a third heat dissipation pipeline, and a plurality of heat dissipation fans are disposed at the heat dissipation outlet.

In some specific embodiments, the air inlet comprises a first air inlet arranged on the top wall of the shell and a second air inlet arranged on the front side wall of the shell, and the mounting inlet is arranged on the front side wall of the mounting cavity and is communicated with the second air inlet through a fourth heat dissipation pipeline; the heat dissipation inlet comprises a first heat dissipation inlet arranged on the top wall of the heat dissipation cavity and a second heat dissipation inlet arranged on the bottom wall of the heat dissipation cavity: wherein: the first heat dissipation inlet is communicated with the first air inlet through a first heat dissipation pipeline, and the second heat dissipation inlet is communicated with the fourth heat dissipation pipeline through a first communication heat dissipation pipeline.

In some embodiments, the air outlet is disposed on a side wall of the housing, the mounting outlet is communicated with the air outlet through a fifth heat dissipation pipeline, and a plurality of heat dissipation fans are disposed at the mounting outlet.

In some embodiments, the air outlets are provided on left and right side walls of the housing, the heat dissipation outlets are provided on left and right side walls of the heat dissipation cavity, and the mounting outlets are provided on left and right side walls of the mounting cavity.

In some embodiments, the size of the heat dissipation fan mounted at the heat dissipation inlet is larger than the size of the heat dissipation fan mounted at the heat dissipation outlet, and the size of the heat dissipation fan mounted at the mounting inlet is larger than the size of the heat dissipation fan mounted at the mounting outlet.

In some embodiments, the vent is fitted with a grille structure.

The scanning imaging equipment has the beneficial effects that the heat dissipation pipeline is arranged at the periphery of the box body frame and the circuit board box, the ventilation opening is arranged on the shell, the heat dissipation pipeline is communicated with the ventilation opening, and the heat dissipation fan is arranged at the connection position of the heat dissipation pipeline, the box body frame and the circuit board box, so that heat generated by the detector and the circuit system is timely and effectively discharged to the outer side of the shell, and the detector and the circuit system work at a proper environment temperature.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

Fig. 1 is a schematic configuration diagram of a scanning imaging apparatus according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view taken along the A-A direction of the structure shown in FIG. 1;

fig. 3 is a schematic structural view of a scanning imaging apparatus according to an embodiment of the present utility model;

FIG. 4 is a cross-sectional view taken in the direction B-B of the structure shown in FIG. 3;

FIG. 5 is a cross-sectional view in the direction C-C of the structure shown in FIG. 3;

fig. 6 is a schematic structural view of a scanning imaging apparatus according to an embodiment of the present utility model;

FIG. 7 is a cross-sectional view in the direction D-D of the structure shown in FIG. 6;

FIG. 8 is a cross-sectional view in the E-E direction of the structure shown in FIG. 6;

fig. 9 is a schematic structural view of a scanning imaging apparatus according to an embodiment of the present utility model;

FIG. 10 is a cross-sectional view in the F-F direction of the structure shown in FIG. 9;

FIG. 11 is a cross-sectional view in the G-G direction of the structure shown in FIG. 9;

fig. 12 is a left side view of a scanning imaging device of an embodiment of the present utility model;

FIG. 13 is a right side view of a scanning imaging device of an embodiment of the present utility model;

fig. 14 is a front view of a scanning imaging apparatus according to an embodiment of the present utility model showing the wind direction thereof;

fig. 15 is a left side view of a scanning imaging apparatus according to an embodiment of the present utility model showing its wind direction.

Reference numerals:

1. a housing; 11. a sample feeding hole; 12. a first air inlet; 13. a second air inlet; 14. an air outlet;

2. a box frame; 21. a first heat dissipation inlet; 22. a second heat dissipation inlet; 23. a heat dissipation outlet;

3. a detector;

4. a circuit board box; 41. installing an inlet; 42. installing an outlet;

5. a heat radiation fan;

6. a first heat dissipation pipeline; 7. a third heat dissipation pipeline; 8. a fourth heat dissipation pipeline; 9. a fifth heat dissipation pipeline; 10. the first communication heat dissipation pipeline.

Detailed Description

In order to make the technical problems solved, the technical scheme adopted and the technical effects achieved by the utility model more clear, the technical scheme of the utility model is further described below by a specific embodiment in combination with the attached drawings.

In the description of the present utility model, it should 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", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly, for distinguishing between the descriptive features, and not sequentially, and not lightly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The specific structure of the scanning imaging device of the embodiment of the present utility model is described below with reference to fig. 1 to 15.

The utility model discloses a scanning imaging device, which comprises a shell 1, a box frame 2, a detector 3 and a circuit board box 4, wherein the shell 1 is provided with a sample feeding hole 11, the shell 1 is also provided with a plurality of ventilation openings, the box frame 2 is arranged on the shell 1, the box frame 2 is provided with a sample feeding channel communicated with the sample feeding hole 11 and a heat dissipation cavity arranged around the sample feeding channel, the detector 3 is arranged on the outer side wall of the sample feeding channel, the circuit board box 4 is arranged in the shell 1, the circuit board box 4 is provided with a mounting cavity for mounting a circuit system, the heat dissipation device comprises a plurality of heat dissipation pipelines and a plurality of heat dissipation fans 5, the heat dissipation fans 5 are used for driving airflow in the heat dissipation pipelines to flow, two ends of part of the heat dissipation pipelines are respectively connected with the heat dissipation cavity and the ventilation openings, and two ends of part of the heat dissipation pipelines are respectively connected with the mounting cavity and the ventilation openings.

It should be noted that, in the actual working process, the sample cabin containing the sample enters the scanning imaging device from the sample feeding channel, and in the process of moving in the sample feeding channel, the detector 3 can detect the sample cabin, so as to image. It can be appreciated that the heat dissipating device of this embodiment includes a heat dissipating pipeline and a heat dissipating fan 5, where the heat dissipating pipeline can communicate the heat dissipating cavity with the vent, and can connect the installation cavity with the vent, and when the heat dissipating fan 5 rotates, the air flow in the heat dissipating pipeline can force to flow, thereby taking away the heat in the heat dissipating cavity and the installation cavity. Because the installation cavity is used for installing the circuit system, the detector 3 is installed on the outer side wall of the sample conveying channel, that is, the heat dissipation device of the embodiment can pertinently dissipate heat of the circuit system and the detector 3, so that the heat dissipation effect is ensured, the heat dissipation efficiency is improved, the faults of the scanning imaging equipment caused by overheat of the detector 3 and the circuit system are avoided, and the working reliability of the scanning imaging equipment is improved.

In some embodiments, as shown in fig. 1, 3 and 6, the vent includes air inlet and air outlet 14, the heat dissipation chamber has heat dissipation inlet and heat dissipation outlet 23, and the mounting chamber has mounting inlet 41 and mounting outlet 42. And heat dissipation pipelines are connected among the heat dissipation inlet and the air inlet, the heat dissipation outlet 23 and the air outlet 14, the installation inlet 41 and the air inlet, and the installation outlet 42 and the air outlet 14, and the heat dissipation fans 5 are arranged at the heat dissipation inlet, the heat dissipation outlet 23, the installation inlet 41 and the installation outlet 42. It can be appreciated that the heat dissipation cavity is provided with a heat dissipation inlet and a heat dissipation outlet 23, and the heat dissipation inlet and the heat dissipation outlet 23 are provided with the heat dissipation fan 5, so that in the working process, external air flow enters the heat dissipation pipeline from the air inlet, heat in the heat dissipation cavity is taken away when the air flow passes through the heat dissipation cavity, and then flows out from the air outlet 14, compared with the heat dissipation of a single heat dissipation fan 5, the heat dissipation mode of the two heat dissipation fans 5 in the embodiment is matched with heat dissipation mode, the circulation speed of the air flow can be accelerated, the heat dissipation effect of the heat dissipation cavity is improved, and therefore the heat dissipation of the detector 3 is faster and more effective. Similarly, the installation cavity is provided with an installation inlet 41 and an installation outlet 42, and the installation inlet 41 and the installation outlet 42 are provided with the heat dissipation fans 5, so that in the working process, external air flows enter the installation pipeline from the air inlet, heat in the installation cavity is taken away when the air flows pass through the installation cavity, and then flows out from the air outlet 14, compared with the installation of a single heat dissipation fan 5, the two heat dissipation fans 5 of the embodiment are matched with a heat dissipation mode, the circulation speed of the air flow can be accelerated, the heat dissipation effect of the installation cavity is improved, and therefore the heat dissipation of an electric appliance system is faster and more effective.

In some specific embodiments, as shown in fig. 9, the air inlet includes a first air inlet 12 provided on the top wall of the housing 1 and a second air inlet 13 provided on the front side wall of the housing 1, and the heat dissipation inlet includes a first heat dissipation inlet 21 provided on the top wall of the heat dissipation chamber and a second heat dissipation inlet 22 provided on the bottom wall of the heat dissipation chamber. The first heat dissipation inlet 21 is communicated with the first air inlet 12 through a first heat dissipation pipeline 6, and the second heat dissipation inlet 22 is communicated with the second air inlet 13 through a second heat dissipation pipeline. It will be appreciated that in the actual working process, since the top wall of the housing 1 is provided with the first air inlet 12, and the front side wall is provided with the second air inlet 13, air is introduced from two directions, so that the heat dissipation efficiency of the heat dissipation cavity can be further improved, and the heat dissipation of the detector 3 can be faster and more effectively performed.

In some more specific embodiments, the number of the first heat dissipation inlets 21 and/or the number of the second heat dissipation inlets 22 are plural, and one heat dissipation fan 5 is disposed corresponding to each of the first heat dissipation inlets 21 and each of the second heat dissipation inlets 22. Thereby, the heat radiation efficiency of the heat radiation cavity can be further improved, thereby radiating the heat of the probe 3 faster and more effectively.

In some specific embodiments, the air outlet 14 is disposed on a side wall of the housing 1, the heat dissipation outlet 23 is disposed on a side wall of the heat dissipation cavity and is communicated with the air outlet 14 through the third heat dissipation pipeline 7, and a plurality of heat dissipation fans 5 are disposed at the heat dissipation outlet 23. It will be appreciated that if the air outlet 14 and the air inlet are disposed on the same side wall, the arrangement of the heat dissipation pipeline is complex, and more space is required for installation, in this embodiment, the first air inlet 12, the second air inlet 13 and the air outlet 14 are disposed on different side walls, so that 180-degree bent pipes are avoided in the heat dissipation pipeline, and the arrangement of the heat dissipation pipeline is simplified while the circulation of air is facilitated. The heat dissipation outlet 23 is provided with a plurality of heat dissipation fans 5, so that heat dissipation efficiency can be improved.

In some specific embodiments, as shown in fig. 2, 4, 5, 7 and 8, the air inlet includes a first air inlet 12 provided on a top wall of the housing 1 and a second air inlet 13 provided on a front side wall of the housing 1, the mounting inlet 41 is provided on a front side wall of the mounting cavity and communicates with the second air inlet 13 through the fourth heat dissipation pipeline 8, and the heat dissipation inlet includes a first heat dissipation inlet 21 provided on a top wall of the heat dissipation cavity and a second heat dissipation inlet 22 provided on a bottom wall of the heat dissipation cavity. The first heat dissipation inlet 21 is communicated with the first air inlet 12 through the first heat dissipation pipeline 6, and the second heat dissipation inlet 22 is communicated with the fourth heat dissipation pipeline 8 through the first communication heat dissipation pipeline 10.

It can be appreciated that, compared to the foregoing way that the second heat dissipation inlet 22 is communicated with the second air inlet 13 through the second heat dissipation pipeline, in this embodiment, the second heat dissipation inlet 22 is communicated with the fourth heat dissipation pipeline 8 through the first heat dissipation pipeline 10, that is, the second heat dissipation inlet 22 of the heat dissipation cavity and the mounting inlet 41 of the mounting cavity share one second air inlet 13, so that the foregoing way that the second heat dissipation pipeline and the fourth heat dissipation pipeline 8 are independent can be changed into the way that the second heat dissipation pipeline and the first heat dissipation pipeline 10 are integrated, and this integration is beneficial to the arrangement of the heat dissipation pipelines, simplifies the structure and reduces the manufacturing cost.

In some embodiments, as shown in fig. 9-11, the air outlet 14 is provided on a side wall of the housing 1, the mounting outlet 42 communicates with the air outlet 14 through the fifth heat dissipation duct 9, and a plurality of heat dissipation fans are provided at the mounting outlet 42. It will be appreciated that if the air outlet 14 and the air inlet are provided on the same side wall, the arrangement of the heat dissipation pipeline is complex, and more space is required for installation, in this embodiment, the first air inlet 12, the second air inlet 13 and the air outlet 14 are provided on different side walls, so that the 180-degree bent pipe is avoided, the air flow is convenient, and the arrangement of the heat dissipation pipeline is simplified. The provision of a plurality of cooling fans at the mounting outlet 42 is advantageous in improving the heat dissipation efficiency,

in some embodiments, as shown in fig. 12-13, the air outlets 14 are provided on the left and right side walls of the housing 1, as shown in fig. 1, the heat dissipation outlets 23 are provided on the left and right side walls of the heat dissipation chamber, and the mounting outlets 42 are provided on the left and right side walls of the mounting chamber. It will be appreciated that, as shown in fig. 14 to 15, the scanning imaging apparatus of the present embodiment can discharge air from two directions to further increase the heat dissipation speed, thereby achieving rapid cooling of the heat dissipation chamber and the mounting chamber.

In some embodiments, a grille structure is fitted at the vent. Thereby, foreign substances can be prevented from entering the housing 1.

A specific structure of a scanning imaging device according to a specific embodiment of the present utility model is described below with reference to fig. 1 to 15.

As shown in fig. 1, 3 and 6, the scanning imaging device includes a housing 1, a box frame 2, a detector 3 and a circuit board box 4, a sample feeding hole 11 is provided on the housing 1, a ventilation opening is further provided on the housing 1, the ventilation opening includes an air inlet and an air outlet 14, the air inlet includes a first air inlet 12 provided on a top wall of the housing 1 and a second air inlet 13 provided on a front side wall of the housing 1, and the air outlet 14 is provided on a left side wall and a right side wall of the housing 1.

The box frame 2 is mounted on the housing 1, the box frame 2 is provided with a sample feeding channel communicated with the sample feeding hole 11 and a heat dissipation cavity surrounding the sample feeding channel, the detector 3 is mounted on the outer side wall of the sample feeding channel, the heat dissipation cavity is provided with a heat dissipation inlet and a heat dissipation outlet 23, and the heat dissipation inlet comprises two first heat dissipation inlets 21 arranged on the top wall of the heat dissipation cavity at intervals and two second heat dissipation inlets 22 arranged on the bottom wall of the heat dissipation cavity at intervals. The heat dissipation outlet 23 is arranged on the left side wall and the right side wall of the heat dissipation cavity, a heat dissipation fan 5 is arranged at each first heat dissipation inlet 21, a heat dissipation fan 5 is arranged at each second heat dissipation inlet 22, and four heat dissipation fans 5 are arranged at the heat dissipation outlet 23. The mounting cavity has two mounting inlets 41 and four mounting outlets 42. Two mounting inlets 41 are provided on the front side wall of the mounting chamber at a distance, and four mounting outlets 42 are provided on the left and right side walls of the mounting chamber, respectively.

Each mounting inlet 41 is communicated with the second air inlet 13 through a fourth heat dissipation pipeline 8, each mounting outlet 42 is communicated with the air outlet 14 through a fifth heat dissipation pipeline 9 through a mounting outlet 42, each first heat dissipation inlet 21 is communicated with the first air inlet 12 through a first heat dissipation pipeline 6, two second heat dissipation inlets 22 are respectively communicated with the two fourth heat dissipation pipelines 8 through two first communication heat dissipation pipelines 10, and the heat dissipation outlet 23 is communicated with the air outlet 14 through a third heat dissipation pipeline 7.

The scanning imaging device of the embodiment has the beneficial effects that:

first: can pertinently dispel the heat to circuit system and detector 3, ensure the radiating effect, promote radiating efficiency, avoid the scanning imaging equipment trouble that detector 3 and circuit system overheat led to, promoted scanning imaging equipment's operational reliability.

Second,: the second heat dissipation inlet 22 and the installation inlet 41 are communicated with the second air inlet 13 through a section of pipeline, and heat in the box body frame 2 and the circuit board box 4 can be simultaneously evacuated through the diversion and combination of the heat dissipation pipelines, so that the efficiency is improved, and meanwhile, a compact structure is realized.

In the description of the present specification, reference to the term "some embodiments," "other embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is merely exemplary of the present utility model, and those skilled in the art should not be considered as limiting the utility model, since modifications may be made in the specific embodiments and application scope of the utility model in light of the teachings of the present utility model.

Claims

1. A scanning imaging device, comprising:

the sample feeding device comprises a shell (1), wherein a sample feeding hole (11) is formed in the shell (1), and a plurality of ventilation openings are formed in the shell (1);

the box body frame (2), the box body frame (2) is arranged on the shell (1), and the box body frame (2) is provided with a sample feeding channel communicated with the sample feeding hole (11) and a heat dissipation cavity arranged around the sample feeding channel;

the detector (3) is arranged on the outer side wall of the sample feeding channel;

the circuit board box (4) is arranged in the shell (1), and the circuit board box (4) is provided with a mounting cavity for mounting a circuit system;

the heat dissipation device comprises a plurality of heat dissipation pipelines and a plurality of heat dissipation fans (5), wherein the heat dissipation fans (5) are used for driving airflow in the heat dissipation pipelines to flow, two ends of the heat dissipation pipelines are respectively connected with the heat dissipation cavity and the ventilation opening, and two ends of the heat dissipation pipelines are respectively connected with the mounting cavity and the ventilation opening.

2. Scanning imaging device according to claim 1, characterized in that the vent comprises an air inlet and an air outlet (14), the heat dissipation chamber having a heat dissipation inlet and a heat dissipation outlet (23), the mounting chamber having a mounting inlet (41) and a mounting outlet (42), wherein:

the heat dissipation pipeline is connected among the heat dissipation inlet, the air inlet, the heat dissipation outlet (23), the air outlet (14), the mounting inlet (41), the air inlet, the mounting outlet (42) and the air outlet (14);

the heat radiation inlet, the heat radiation outlet (23), the installation inlet (41) and the installation outlet (42) are respectively provided with the heat radiation fan (5).

3. Scanning imaging device according to claim 2, characterized in that the air inlet comprises a first air inlet (12) provided on a top wall of the housing (1) and a second air inlet (13) provided on a front side wall of the housing (1);

the heat dissipation inlet comprises a first heat dissipation inlet (21) arranged on the top wall of the heat dissipation cavity and a second heat dissipation inlet (22) arranged on the bottom wall of the heat dissipation cavity;

wherein: the first heat dissipation inlet (21) is communicated with the first air inlet (12) through a first heat dissipation pipeline (6), and the second heat dissipation inlet (22) is communicated with the second air inlet (13) through a second heat dissipation pipeline.

4. A scanning imaging device according to claim 3, characterized in that said first heat dissipation inlet (21) and/or said second heat dissipation inlet (22) are plural, each of said first heat dissipation inlet (21) and each of said second heat dissipation inlet (22) being provided with one of said heat dissipation fans (5) correspondingly.

5. Scanning imaging device according to claim 2, characterized in that the air outlet (14) is provided on a side wall of the housing (1), the heat dissipation outlet (23) is provided on a side wall of the heat dissipation cavity, the heat dissipation outlet (23) is communicated with the air outlet (14) through a third heat dissipation pipeline (7), and a plurality of heat dissipation fans (5) are provided at the heat dissipation outlet (23).

6. Scanning imaging device according to claim 2, characterized in that the air inlet comprises a first air inlet (12) provided on a top wall of the housing (1) and a second air inlet (13) provided on a front side wall of the housing (1), the mounting inlet (41) being provided on a front side wall of the mounting cavity and communicating with the second air inlet (13) through a fourth heat dissipation pipeline (8);

the heat dissipation inlet comprises a first heat dissipation inlet (21) arranged on the top wall of the heat dissipation cavity and a second heat dissipation inlet (22) arranged on the bottom wall of the heat dissipation cavity: wherein:

the first heat dissipation inlet (21) is communicated with the first air inlet (12) through a first heat dissipation pipeline (6), and the second heat dissipation inlet (22) is communicated with the fourth heat dissipation pipeline (8) through a first communication heat dissipation pipeline (10).

7. Scanning imaging device according to claim 2, characterized in that the air outlet (14) is provided on a side wall of the housing (1), the mounting outlet (42) is provided on a side wall of the mounting cavity, the mounting outlet (42) is in communication with the air outlet (14) via a fifth heat dissipating line (9), and a plurality of heat dissipating fans (5) are provided at the mounting outlet (42).

8. Scanning imaging device according to any of claims 2-7, characterized in that the air outlet (14) is provided on the left and right side walls of the housing (1), the heat dissipation outlet (23) is provided on the left and right side walls of the heat dissipation chamber, and the mounting outlet (42) is provided on the left and right side walls of the mounting chamber.

9. Scanning imaging device according to any of claims 2-7, characterized in that the size of the heat dissipation fan (5) mounted at the heat dissipation inlet is larger than the size of the heat dissipation fan (5) mounted at the heat dissipation outlet (23), the size of the heat dissipation fan (5) mounted at the mounting inlet (41) being larger than the size of the heat dissipation fan (5) mounted at the mounting outlet (42).

10. The scanning imaging device of any of claims 1-7, wherein a grid structure is fitted at the vent.