CN220085053U - Acoustic imaging instrument - Google Patents

Abstract

The utility model provides an acoustic imager, and relates to the technical field of detection equipment. The acoustic imaging instrument comprises a shell, a main board, a heat conducting plate, radiating fins and a radiator, wherein the main board is fixed in the shell, the heat conducting plate is connected with a heating element on the main board, one end of each radiating fin is fixed on the heat conducting plate, the other end of each radiating fin is fixedly connected with the radiator, the radiator is provided with a plurality of radiating ribs, and the shell is provided with a plurality of radiating holes corresponding to the radiator. According to the acoustic imaging apparatus provided by the utility model, part of heat generated by the heating element is dispersed in the casing, and part of the heat is discharged out of the casing through the heat conducting plate, the radiating fin and the radiator, the whole radiating process is realized in a natural convection mode, a radiating fan is not required to be arranged, and the influence of the radiating fan on pickup of the acoustic imaging apparatus is avoided.

Description

Acoustic imaging instrument

Technical Field

The utility model relates to the technical field of detection equipment, in particular to an acoustic imager.

Background

The acoustic imaging instrument is based on a microphone array measurement technology, and is used for determining the position of a sound source according to a phased array principle by measuring the signal phase difference of sound waves reaching each microphone in a certain space, measuring the amplitude of the sound source and displaying the distribution of the sound source in the space in an image mode. The acoustic imaging instrument can locate the fault sound of the equipment and help the user locate the position of abnormal sound of the equipment.

The acoustic imaging instrument has more microphones, and the main board has large processing capacity during measurement, and more heat can be generated. And with the enrichment of the functions of the acoustic imager and the improvement of measurement accuracy, the power consumption is larger and larger. Noise can be generated in the traditional mode of loading the radiating fan, and the accuracy of microphone array acquisition is affected.

Disclosure of Invention

The utility model provides an acoustic imaging instrument which is used for solving the defect that the acoustic imaging instrument in the prior art is difficult to effectively dissipate heat on the premise of not affecting pickup of a microphone array.

The utility model provides an acoustic imaging instrument which comprises a shell, a main board, a heat conducting plate, a heat radiating fin and a radiator, wherein the main board is fixed in the shell, the heat conducting plate is connected with a heating element on the main board, one end of the heat radiating fin is fixed on the heat conducting plate, the other end of the heat radiating fin is fixedly connected with the radiator, the radiator is provided with a plurality of heat radiating ribs, and the shell is provided with a plurality of heat radiating holes corresponding to the radiator.

According to the acoustic imaging apparatus provided by the utility model, the heat conducting plate is a temperature equalizing plate; and/or a heat conducting pad is arranged between the heat conducting plate and the heating element.

According to the acoustic imaging apparatus provided by the utility model, the heat conduction plate comprises a first plate body, an inclined plate and a second plate body, wherein the first plate body is connected with the second plate body through the inclined plate, and the heights of the first plate body and the second plate body in the machine shell are different.

According to the acoustic imaging apparatus provided by the utility model, the length direction of the heat conducting plate is perpendicular to the length direction of the radiating fin.

According to the acoustic imaging apparatus provided by the utility model, the radiating fin is a graphene sheet.

According to the acoustic imaging apparatus provided by the utility model, the radiating fin comprises the first fixing part, the radiating part and the second fixing part which are sequentially connected, the first fixing part is fixedly attached to the heat conducting plate, the second fixing part is fixedly attached to the radiator, the radiating part is provided with the gradually expanding section, and the width of the gradually expanding section gradually increases along the direction from the first fixing part to the second fixing part.

According to the acoustic imaging apparatus provided by the utility model, each heat dissipation rib is arranged corresponding to one heat dissipation hole.

According to the acoustic imaging instrument provided by the utility model, the radiator is a box body, one surface of the box body, which is attached to the side wall of the shell, is provided with a plurality of strip-shaped holes, the radiating ribs are formed between two adjacent strip-shaped holes, and the length of each strip-shaped hole is smaller than the inner height of the box body.

The acoustic imaging instrument provided by the utility model further comprises a sealing ring, wherein the radiator is provided with a sealing groove, and the sealing ring is arranged in the sealing groove and is propped against the inner wall of the shell.

The acoustic imaging apparatus provided by the utility model further comprises a fixed pressing plate, wherein the fixed pressing plate is used for pressing the radiator into the casing.

According to the acoustic imaging apparatus provided by the utility model, part of heat generated by the heating element is dispersed in the casing, and part of the heat is discharged out of the casing through the heat conducting plate, the radiating fin and the radiator, the whole radiating process is realized in a natural convection mode, a radiating fan is not required to be arranged, and the influence of the radiating fan on pickup of the acoustic imaging apparatus is avoided.

Drawings

In order to more clearly illustrate the utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a partial cross-sectional view of an acoustic imager provided by the present utility model;

FIG. 2 is a schematic view of a partial structure of an acoustic imager provided by the present utility model;

FIG. 3 is a schematic diagram of a heat sink according to the present utility model;

fig. 4 is a side view of an acoustic imager provided by the present utility model.

Reference numerals:

1. a housing; 11. a heat radiation hole; 2. a main board; 3. a heat conductive plate; 31. a first plate body; 32. an inclined plate; 33. a second plate body; 4. a heat sink; 41. a first fixing portion; 42. a heat dissipation part; 43. a second fixing portion; 5. a heat sink; 51. radiating ribs; 52. a bar-shaped hole; 6. a heating element; 7. a thermal pad; 8. a seal ring; 9. and fixing the pressing plate.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The features of the utility model "first", "second" and the like in the description and in the claims may be used for the explicit or implicit inclusion of one or more such features. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.

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.

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 acoustic imager of the present utility model is described below in conjunction with fig. 1-4.

The acoustic imager provided by the utility model, as shown in fig. 1, comprises a casing 1, a main board 2, a heat conducting plate 3, a heat radiating fin 4 and a heat radiator 5. The main board 2 is fixed in the shell 1, and the heat conducting plate 3 is connected with a heating element 6 on the main board 2. One end of the radiating fin 4 is fixed on the heat conducting plate 3, and the other end of the radiating fin 4 is fixedly connected with the radiator 5. The radiator 5 is provided with a plurality of radiating ribs 51, and the casing 1 is provided with a plurality of radiating holes 11 corresponding to the radiator 5.

As shown in fig. 1, the main board 2, the heat conducting plate 3, the heat sink 4 and the heat sink 5 are all fixed in the casing 1. The main board 2 is integrated with a plurality of heating elements 6 such as a processing chip and a battery. In order to make the heat emitted from the heating element 6 be transferred quickly and uniformly, the heat conducting plate 3 is connected with the heating element 6 to be heat-radiated. The plurality of heating elements 6 may be different in height, and a thermal pad 7 may be disposed between the thermal conductive plate 3 and the heating elements 6 in order to be connected to the thermal conductive plate 3.

In an alternative embodiment, the heat-conducting plate 3 is a temperature-equalizing plate, such as a vacuum chamber temperature-equalizing plate (VC temperature-equalizing plate), which employs a thin copper sheet of thin paper and a medium liquid-filled film, and has a high thermal conductivity. In yet another alternative embodiment, the heat conducting plate 3 is a heat conducting blow-up plate, a high heat conducting PCB board, a double sided heat conducting substrate, etc.

As shown in fig. 1 and 2, the heat-conducting plate 3 is mounted with a heat sink 4. The heat-conducting plate 3 and the heat-radiating fin 4 are both plate-shaped or sheet-shaped structures. One end of the heat sink 4 is closely attached to one end of the heat conducting plate 3, so that heat on the heat conducting plate 3 is effectively transferred into the heat sink 4. Specifically, the region where the heat sink 4 is connected to the heat conductive plate 3 covers the end of the heat conductive plate 3 away from the heating element 6 to increase the heat transferred from the heat conductive plate 3 to the heat sink 4 by increasing the bonding area.

As shown in fig. 3, the radiator 5 has a plurality of heat dissipation ribs 51, and the heat dissipation effect is improved by increasing the contact area between the radiator 5 and air by means of the heat dissipation ribs 51. Optionally, the heat sink 5 is an aluminum heat sink. The heat received by the radiator 5 is partially transferred and dispersed through the radiation effect of the radiator 5, and partially transferred to the outside through the natural convection heat exchange mode. The heat sink 5 may be provided with one or more. As shown in fig. 3, two heat sinks 5 are arranged at intervals, and the heat sink 4 may be connected to only one of the heat sinks 5, or may be connected to both of the heat sinks 5 at the same time. The shell 1 is provided with a plurality of radiating holes 11 corresponding to the radiator 5, and heat discharged by the radiator 5 is discharged to the outside from the radiating holes 11, so that heat convection is realized.

The heating element 6 transfers heat to the heat conducting plate 3, part of the heat is directly dissipated to the inside of the shell 1 through the heat conducting plate 3, and the other part of the heat is transferred to the radiating fin 4, so that the local overhigh temperature on the main board 2 is avoided. The heat received by the heat sink 4 is partly dissipated directly and partly transferred to the heat sink 5. The heat received by the heat sink 5 is partially directly dissipated, and partially discharged to the outside of the cabinet 1 through the heat dissipation holes 11.

In a specific embodiment, the heat conductivity of the heat conducting plate 3 is the largest, followed by the heat sink 4 and the heat sink 5 is the smallest. The heat that heating element 6 produced is partly derived through heat-conducting plate 3, and rethread fin 4 is with heat transfer to radiator 5, discharges to the external world from louvre 11 at last, and part is direct to be lost in the interface to under the circumstances that satisfies mainboard 2 heat dissipation demand, reduce the heat that transfers to casing 1, the sense of touch temperature when guaranteeing the user and use, promote user's use experience.

According to the acoustic imaging apparatus provided by the utility model, part of heat generated by the heating element 6 is dispersed in the casing 1, and part of the heat is discharged out of the casing 1 through the heat conducting plate 3, the radiating fins 4 and the radiator 5, the whole radiating process is realized in a natural convection mode, and a radiating fan is not required to be arranged, so that the influence of the radiating fan on pickup of the acoustic imaging apparatus is avoided.

Specifically, the heat conducting plate 3 is a temperature equalizing plate; and/or a heat conducting pad 7 is arranged between the heat conducting plate 3 and the heating element 6.

The heat conducting pads 7 are provided with a plurality of heating elements 6 and a plurality of heat conducting pads 7 in one-to-one correspondence. The thickness of the plurality of heat conductive pads 7 may be different so that the heat generating elements 6 having different heights can be connected to the heat conductive plate 3 at the same horizontal position. Wherein, the heat conduction pad 7 is high temperature resistant, high in strength and high in heat conduction coefficient. Optionally, the heat conducting pad 7 is a heat conducting silica gel pad, which uses silica gel as a base material, adds a certain metal oxide and various heat conducting auxiliary materials, and synthesizes a high polymer composite heat conducting piece through a special process.

If the heat conductive plate 3 is in direct contact with the heating element 6, the heating element 6 may be damaged, and the workability of the heating element 6 may be affected. On the one hand, the heat conducting pad 7 can fill the gap between the heat conducting plate 3 and the heating element 6, so that the physical contact between the heat conducting plate 3 and the heating element 6 is effectively isolated, and the heating element 6 is ensured not to be damaged; on the other hand, the heat conductive pad 7 can not only effectively transfer the heat emitted from the heating element 6 to the heat conductive plate 3 quickly, but also prevent the heat conductive plate from softening, creeping and even deforming due to the excessively high temperature.

By arranging the heat conducting pad 7 between the heat conducting plate 3 and the heating element 6, a good heat conducting path is formed between the heating element 6 and the heat conducting plate 3, and the physical contact between the heat conducting plate 3 and the heating element 6 is effectively isolated, so that the heating element 6 is ensured not to be damaged.

As shown in fig. 2, the heat conductive plate 3 includes a first plate body 31, an inclined plate 32, and a second plate body 33. The first plate 31 is connected to the second plate 33 through the inclined plate 32, and the heights of the first plate 31 and the second plate 33 in the casing 1 are different.

The plurality of heating elements 6 are different in position on the main board 2. As shown in fig. 1, a plurality of heating elements 6 are respectively fixed at different heights inside the casing 1. The first plate 31 is connected with one heating element 6 through a heat conducting pad 7; the second plate 33 is connected to a heating element 6 at another level via another thermal pad 7. In order to ensure that the plurality of heating elements 6 at different heights can quickly achieve uniform heat quantity through the first plate 31 and the second plate 33, the first plate 31 and the second plate 33 are connected together through the inclined plate 32. In addition, the space position in the casing 1 is limited, and the heat conducting plate 3 comprises a first plate body 31 and a second plate body 33 which are positioned at different heights, so that other structures can be avoided in the casing 1 conveniently.

As shown in fig. 2, the junction of the inclined plate 32 and the first plate body 31 and the junction of the inclined plate 32 and the second plate body 33 achieve smooth transition by curved surfaces. The dimensions of the inclined plate 32 are limited by the spatial layout in the casing 1, and may be designed as needed.

Specifically, the first plate 31, the inclined plate 32 and the second plate 33 are integrally constructed for easy manufacture and simplified assembly process.

According to the acoustic imaging apparatus provided by the utility model, the first plate body 31 is connected with the second plate body 33 through the inclined plate 32, and the heights of the first plate body 31 and the second plate body 33 in the machine shell 1 are different, so that the heat emitted by the heating element 6 at different heights can be quickly homogenized, other structures can be avoided in the machine shell 1, and the installation is convenient.

As shown in fig. 2, the length direction of the heat conducting plate 3 is perpendicular to the length direction of the heat sink 4, so as to adapt to the model of the casing 1, so that the heat conducting plate 3, the heat sink 4 and other components can be reasonably arranged in the casing 1 and accommodated in the casing 1. And meanwhile, the radiating path can be prolonged by means of the radiating fins 4, so that the radiating effect is improved. Alternatively, the length direction of the heat conducting plate 3 and the length direction of the heat radiating fin 4 form an acute angle, so long as the heat transfer between the two can be ensured, and other components can be avoided in the casing 1.

The heat sink 4 has a high thermal conductivity coefficient and can effectively transfer heat on the heat conductive plate 3. In an alternative embodiment, the heat sink 4 is a graphene sheet. In another alternative embodiment, the heat sink 4 is a copper heat sink. In yet another alternative embodiment, the heat sink 4 is a copper aluminum alloy heat sink.

The heat sink 4 includes a first fixing portion 41, a heat dissipating portion 42, and a second fixing portion 43 that are connected in this order. The first fixing portion 41 is bonded to the heat conductive plate 3, and the second fixing portion 43 is bonded to the heat sink 5. The heat dissipation portion 42 has a diverging section, the width of which gradually increases in a direction from the first fixing portion 41 toward the second fixing portion 43.

In order to facilitate the processing and manufacturing and ensure the continuity of heat transfer of the heat sink 4, the first fixing portion 41, the heat sink 42 and the second fixing portion 43 are integrally formed. The first fixing portion 41 is closely adhered to the heat conductive plate 3 and is fixed to the heat conductive plate 3 by a locking member. The first fixing portion 41 is provided with a plurality of first mounting holes which are distributed at four corners of the first fixing portion 41. Correspondingly, the heat conducting plate 3 is provided with a plurality of second mounting holes. When the assembly is carried out, the first mounting holes and the second mounting holes are in one-to-one correspondence and are fixed through the locking pieces. Optionally, the locking member is a connecting member such as a screw or a rivet. Alternatively, a heat conductive adhesive is provided on the contact surface between the first fixing portion 41 and the heat conductive plate 3, and the two are firmly bonded together by the heat conductive adhesive. The heat conducting adhesive has good heat conducting performance and does not influence the heat transfer between the heat conducting plate 3 and the heat radiating fin 4. Optionally, the heat-conducting adhesive is graphene heat-conducting adhesive, polyurethane heat-conducting pouring sealant and the like. The connection between the second fixing portion 43 and the heat sink 5 is similar to the connection between the first fixing portion 41 and the heat conducting plate 3, and will not be described again.

The width of the diverging section gradually increases along the direction from the first fixing portion 41 to the second fixing portion 43, so that the space layout between the diverging section and the heat conducting plate 3 and the heat sink 5 in the casing 1 can be adapted, and the surface area of the heat dissipating portion 42 is maximized, thereby improving the heat transfer efficiency of the heat dissipating fin 4. As shown in fig. 2, the diverging section includes a trapezoidal section, the shorter one of the top and bottom sides of which is connected to the first fixing part 41, and the longer one of which is connected to the second fixing part 43, so that the width of the diverging section increases in a straight line. Or the diverging section comprises an arc-shaped edge, and the width of the diverging section is increased in an arc shape. Of course, the diverging section may also comprise a plurality of sub-sections of different widths, provided that a variation of the diverging section width is achieved.

According to the acoustic imaging apparatus provided by the embodiment of the utility model, the first fixing part 41 is adhered and fixed with the heat conducting plate 3, and the second fixing part 43 is adhered and fixed with the radiator 5, so that heat in the heat conducting plate 3 is transferred to the radiator 5 through the radiating fins 4; the heat dissipation portion 42 has a divergent section, and the divergent section width gradually increases in a direction from the first fixing portion 41 to the second fixing portion 43, so that the surface area of the heat dissipation portion 42 can be maximized and the heat dissipation efficiency of the heat dissipation fin 4 can be improved while ensuring a reasonable layout of the heat dissipation portion 42 in the casing 1.

Specifically, as shown in fig. 4, each heat dissipation rib 51 is disposed corresponding to one heat dissipation hole 11.

The radiating ribs 51 are arranged on one side, attached to the shell 1, of the radiator 5, grooves are formed between two adjacent radiating ribs 51, a plurality of radiating holes 11 are formed in the shell 1, the radiating ribs 51 are arranged corresponding to the radiating holes 11, the grooves are blocked on the side wall of the shell 1, and the radiating ribs 51 block the radiating holes 11 from the inside of the shell 1. Thus, the internal structure of the radiator 5 is not visible from the outside of the cabinet 1, and the heat dissipation ribs 51 can also rapidly discharge heat to the outside corresponding to the heat dissipation holes 11.

According to the acoustic imaging apparatus provided by the embodiment of the utility model, the plurality of radiating ribs 51 are in one-to-one correspondence with the plurality of radiating holes 11, so that the appearance of obvious through holes of the whole acoustic imaging apparatus is avoided, the acoustic imaging apparatus can effectively prevent water and dust, and the attractiveness is improved.

As shown in fig. 3, the heat sink 5 is a case. In one embodiment, the heat dissipating ribs 51 are ribs protruding from the surface of the case. In yet another embodiment, a plurality of strip-shaped holes 52 are provided on the surface of the case body, which is attached to the side wall of the casing 1, and heat dissipation ribs 51 are formed between two adjacent strip-shaped holes 52. As shown in fig. 3, strip-shaped holes 52 are formed between the heat dissipation ribs 51, and the inner space of the case body is communicated with the strip-shaped holes 52. The length of the strip-shaped hole 52 is smaller than the height of the inside of the box body, so that the radiator 5 is in a closed type windowing design. After assembly, the side wall of the casing 1 can completely shield the plurality of strip-shaped holes 52, thereby preventing water and dust and improving the attractiveness.

The length of the heat dissipation hole 11 may be greater than the length of the heat dissipation rib 51.

The acoustic imager further comprises a sealing ring 8, the radiator 5 is provided with a sealing groove, and the sealing ring 8 is arranged in the sealing groove and is propped against the inner wall of the shell 1.

The shape of the sealing groove is adapted to the shape of the radiator 5. In an alternative embodiment, as shown in fig. 2 and 3, the side of the radiator 5 provided with the radiating ribs 51 is square, and the sealing groove is square ring-shaped. The sealing groove is arranged at the outer edge of the radiator 5, and the radiating ribs 51 are arranged in the area surrounded by the sealing groove. The sealing ring 8 is a structural member made of flexible composite material. Alternatively, the sealing ring 8 may be a silica gel waterproof ring or a rubber waterproof ring.

When the radiator is assembled, the sealing ring 8 is clamped in the sealing groove, and the sealing ring 8 abuts against the inner wall of the shell 1, so that the sealing ring 8 can fill a gap between the radiator 5 and the inner wall of the shell 1, the radiator 5 is prevented from loosening, and a good waterproof effect can be achieved.

The acoustic imager further comprises a stationary platen 9, the stationary platen 9 being used to press the heat sink 5 into the housing 1.

The fixed platen 9 has sufficient elasticity and rigidity to ensure that other components within the housing 1 can elastically deform without breakage when the fixed platen 9 is pressed. Alternatively, the fixed pressing plate 9 may be a spring plate or a galvanized pressing plate, or the like.

As shown in fig. 2, the fixed platen 9 includes a first platen, a second platen, and a third platen. The first pressing plate is vertically connected with the second pressing plate, the third pressing plate is vertically connected with the second pressing plate, and the third pressing plate and the first pressing plate are located on different sides of the second pressing plate. One side of the first pressing plate is attached to the top of the radiator 5, and the other side of the first pressing plate is propped against the inner side of the top wall of the shell 1. One side of the second pressing plate is attached to one side of the radiator 5, on which the radiating ribs 51 are not arranged, and the other side of the second pressing plate is abutted to the inner wall of the casing 1. The third pressing plate is abutted against the inside of the machine shell 1, the radiator 5 is restrained in the machine shell 1 by the first pressing plate and the third pressing plate in the thickness direction of the machine shell 1, the radiator 5 is restrained by the second pressing plate and the side wall of the machine shell 1 in the width or length direction of the machine shell 1, and therefore press mounting and fixing of the radiator 5 are achieved, and other connecting pieces are not required to be installed.

Or, the fixed pressing plate 9 is in an L shape, one plate body is fixed with the casing 1 through screws, and the other plate body is propped against the radiator 5 from the top or the bottom of the radiator 5, so that the radiator 5 is propped against the bottom wall or the top wall of the casing 1. Alternatively, the other plate body abuts against the radiator 5 from the side of the radiator 5 where the radiating rib 51 is not provided, so that the radiating rib 51 abuts against the side wall of the casing 1.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (10)

1. The utility model provides an acoustic imaging appearance, its characterized in that includes casing, mainboard, heat conduction board, fin and radiator, the mainboard is fixed in the casing, the heat conduction board with heating element on the mainboard links to each other, the one end of fin is fixed in the heat conduction board, the other end of fin with radiator fixed connection, the radiator is equipped with many heat dissipation ribs, the casing corresponds the radiator is equipped with a plurality of louvres.

2. The acoustic imager of claim 1, wherein the thermally conductive plate is a temperature equalization plate; and/or a heat conducting pad is arranged between the heat conducting plate and the heating element.

3. The acoustic imager of claim 1, wherein the thermally conductive plate comprises a first plate body, an inclined plate, and a second plate body, the first plate body being coupled to the second plate body by the inclined plate, the first plate body and the second plate body being at different heights within the housing.

4. The acoustic imager of claim 1, wherein the length direction of the thermally conductive plate is perpendicular to the length direction of the heat sink.

5. The acoustic imager of claim 1, wherein the heat sink is a graphene sheet.

6. The acoustic imager of claim 1 or 5, wherein the heat sink comprises a first fixed portion, a heat sink portion, and a second fixed portion that are connected in sequence, the first fixed portion being in contact with the heat conductive plate, the second fixed portion being in contact with the heat sink, the heat sink portion having a diverging section, the diverging section having a width that increases gradually in a direction from the first fixed portion to the second fixed portion.

7. The acoustic imager of claim 1, wherein each of the heat dissipating ribs is disposed corresponding to one of the heat dissipating holes.

8. The acoustic imager of claim 1, wherein the heat sink is a box, a plurality of strip-shaped holes are formed in a surface, attached to the side wall of the casing, of the box, the heat dissipation ribs are formed between two adjacent strip-shaped holes, and the length of each strip-shaped hole is smaller than the inner height of the box.

9. The acoustic imager of claim 1, further comprising a seal ring, wherein the heat sink is provided with a seal groove, and wherein the seal ring is mounted in the seal groove and abuts an inner wall of the housing.

10. The acoustic imager of claim 1, further comprising a stationary platen for compressing the heat sink within the housing.