CN114007352B - A/D conversion circuit module structure and heat dissipation method - Google Patents
A/D conversion circuit module structure and heat dissipation method Download PDFInfo
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- CN114007352B CN114007352B CN202111143168.4A CN202111143168A CN114007352B CN 114007352 B CN114007352 B CN 114007352B CN 202111143168 A CN202111143168 A CN 202111143168A CN 114007352 B CN114007352 B CN 114007352B
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- accommodating cavity
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- conversion circuit
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- air inlet
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0213—Venting apertures; Constructional details thereof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20945—Thermal management, e.g. inverter temperature control
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention relates to an A/D conversion circuit module structure and a heat dissipation method, comprising the following steps: the module comprises a shell, a module body, a heat dissipation assembly and a current limiting assembly, wherein the shell is provided with a containing cavity, a placing plate is arranged in the containing cavity, the module body is arranged on the surface of the placing plate, one side of the shell is provided with an air inlet communicated with the containing cavity, and the other side of the shell is provided with an air outlet window communicated with the containing cavity; the heat dissipation assembly comprises a driving piece, a supporting rod, a rotating shaft and fan blades, the supporting rod is arranged in the air inlet, the driving piece is fixed at one end, facing the accommodating cavity, of the supporting rod, the output end of the driving piece is connected with one end of the rotating shaft, the other end of the rotating shaft is connected with the fan blades, and the fan blades are located in the accommodating cavity; the current limiting assembly is arranged in the accommodating cavity and is positioned on the side edge of the fan blade. The fan blade is driven to rotate by the driving piece, so that wind is blown into the shell from the air inlet and blown out from the air outlet window, the air flow in the accommodating cavity is accelerated, the generated heat is conveniently and quickly dissipated, and the circuit module is protected.
Description
Technical Field
The invention relates to the technical field of circuit modules, in particular to an A/D conversion circuit module structure and a heat dissipation method.
Background
The module also refers to a specific functional component composed of a plurality of basic functional components, which can be used to form a system, an apparatus or a process with complete functions. Modules generally have the same processes or logic, and changes to their constituent elements may adapt their functions or uses.
When the electric power is converted, the conversion circuit module is needed, and when the general conversion circuit module is used, the interior of the conversion circuit module cannot be well cooled, and the temperature in the interior is too high after long-time use, so that the components in the conversion circuit module are damaged
Disclosure of Invention
In order to solve the above technical problems or at least partially solve the above technical problems, the present application provides an a/D conversion circuit module structure and a heat dissipation method, which aims to solve the problem that when the conventional conversion circuit module is used, the interior of the conversion circuit module cannot be well cooled, and the interior of the conversion circuit module is too high in temperature after long-time use, so that the interior components of the conversion circuit module are damaged.
In a first aspect, the present application provides an a/D conversion circuit module structure, including: a housing, a module body, a heat dissipation component and a current limiting component,
the module comprises a module body, a shell, a positioning plate, an air inlet, an air outlet window and a positioning plate, wherein the shell is provided with an accommodating cavity, the accommodating cavity is internally provided with a placing plate, the module body is arranged on the surface of the placing plate, one side of the shell is provided with the air inlet communicated with the accommodating cavity, and the other side of the shell is provided with the air outlet window communicated with the accommodating cavity;
the heat dissipation assembly comprises a driving piece, a supporting rod, a rotating shaft and fan blades, the supporting rod is arranged in the air inlet, the driving piece is fixed at one end, facing the accommodating cavity, of the supporting rod, the output end of the driving piece is connected with one end of the rotating shaft, the other end of the rotating shaft is connected with the fan blades, and the fan blades are located in the accommodating cavity and used for accelerating air flow in the accommodating cavity;
the current-limiting assembly is arranged in the accommodating cavity and positioned on the side edge of the fan blade and used for shunting the blown wind.
Preferably, the current-limiting assembly includes first deep bead and two second deep beads, two the second deep bead is located the both sides of air intake, and two the one end of second deep bead all with shell fixed connection, first deep bead is located between two second deep beads, just first deep bead with leave the clearance between the inner wall that holds the chamber, the flabellum is located in the clearance.
Preferably, the flow limiting assembly further includes a threaded post and a spring, one end of the threaded post is connected with the housing, the first wind deflector is connected to the other end of the threaded post, and the spring is wound on a surface of the threaded post.
Preferably, the flow limiting assembly further comprises a dust filter screen, and the dust filter screen is located between the placing plate and the second air baffle.
Preferably, the inside of air inlet window is equipped with the baffle, the both ends of baffle all are connected with the rotation post, the other end of rotating the post is connected on the inner wall of air outlet window.
Preferably, the a/D conversion circuit module structure further includes a drying component disposed in the accommodating cavity, the drying component includes a placing box and a cover plate, the placing box is disposed in the accommodating cavity and fixedly connected to the housing, the placing box is provided with a groove for placing a drying agent, the cover plate is disposed on the surface of the placing box and used for covering the groove, and the cover plate is provided with a plurality of air holes communicated with the groove on the surface.
Preferably, the housing comprises a housing body and a housing cover, the accommodating cavity is formed in the housing body, and the housing body is detachably connected to the top of the housing body and used for covering the accommodating cavity.
Preferably, a plurality of through grooves are arranged on the surface of the placing plate at intervals.
In a second aspect, the present application provides a heat dissipation method for an a/D conversion circuit module structure, which is used for dissipating heat of the a/D conversion circuit module structure of the first aspect, and includes the following steps:
(1) The driving piece is started to drive the fan blades to rotate, so that outside air is blown into the shell from the air inlet, and the air flow in the accommodating cavity is accelerated;
(2) Stir the baffle for interval between the adjacent baffle changes, holds the size of the air-out of intracavity with the change, thereby reaches thermal diffusion.
Preferably, the following steps are further included after the step (2):
installing second baffles at two sides of the air inlet, and arranging the first baffles between the two first baffles through threaded columns;
the distance between the first wind shield and the air inlet is realized through the back-and-forth movement of the threaded column, so that the adjustment of the air inlet amount is realized.
Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages:
the module body is arranged on the placing plate, and then when the module is used, the rotating shaft is driven to rotate through the driving piece, so that the fan blades connected in the rotating shaft are driven to rotate, external wind is blown into the shell from the air inlet and blown out from the air outlet window, the air flow in the accommodating cavity is accelerated, the heat in the using process is convenient to dissipate quickly, and the circuit module is protected; and the side at the flabellum sets up current-limiting component for the wind that blows in the shell is shunted, thereby realizes adjusting the size of amount of wind.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
In the drawings:
FIG. 1 is a schematic diagram of an A/D conversion circuit module structure according to the present invention;
FIG. 2 is another schematic view of an A/D converter circuit module according to the present invention;
FIG. 3 is another schematic diagram of the A/D conversion circuit module structure according to the present invention;
FIG. 4 is an internal schematic view of the A/D conversion circuit module structure according to the present invention;
FIG. 5 is another internal schematic view of the A/D conversion circuit module structure according to the present invention;
FIG. 6 is a schematic view of a heat sink assembly of the A/D conversion circuit module structure of the present invention;
FIG. 7 is a flow chart of a heat dissipation method of the A/D conversion circuit module structure according to the present invention;
FIG. 8 is another flowchart of a heat dissipation method for the A/D conversion circuit module structure of the present invention.
Reference numerals are as follows: 1. a housing; 2. a shell cover; 3. a baffle plate; 4. an air outlet window; 5. a bolt; 6. a support bar; 7. a threaded post; 8. a threaded ring; 9. an air inlet; 10. air holes; 11. a cover plate; 12. a module body; 13. a threaded hole; 14. an insulating fixing wire; 15. a second wind deflector; 16. a spring; 17. a fan blade; 18. a rotating shaft; 19. a motor; 20. a first windshield; 21. placing a box; 22. a groove; 23. placing the plate; 24. a through groove; 25. a dust filter screen.
Detailed Description
For a more clear understanding of the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings. In the following description, it is to be understood that the orientations and positional relationships indicated by "front", "rear", "upper", "lower", "left", "right", "longitudinal", "lateral", "vertical", "horizontal", "top", "bottom", "inner", "outer", "leading", "trailing", and the like are configured and operated in specific orientations based on the orientations and positional relationships shown in the drawings, and are only for convenience of describing the present invention, and do not indicate that the device or element referred to must have a specific orientation, and thus, are not to be construed as limiting the present invention.
It is also noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," "disposed," and the like are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or intervening elements may also be present. The terms "first", "second", "third", etc. are only for convenience in describing the present technical solution, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", etc. may explicitly or implicitly include one or more of such features. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the following description, for purposes of explanation and not limitation, specific details are set forth such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
As shown in fig. 1 to 6, in a first aspect of the present invention, an a/D conversion circuit module is provided, which includes: a housing, a module body 12, a heat sink and a current limiting component,
the module comprises a module body 12, a housing, a placing plate 23, an air inlet 9, an air outlet window 4 and a connecting piece, wherein the housing is provided with a containing cavity, the placing plate 23 is arranged in the containing cavity, the module body 12 is arranged on the surface of the placing plate 23, one side of the housing is provided with the air inlet 9 communicated with the containing cavity, and the other side of the housing is provided with the air outlet window 4 communicated with the containing cavity; the heat dissipation assembly comprises a driving piece, a supporting rod 6, a rotating shaft 18 and fan blades 17, the supporting rod 6 is arranged in the air inlet 9, the driving piece is fixed at one end, facing the accommodating cavity, of the supporting rod 6, the output end of the driving piece is connected with one end of the rotating shaft 18, the other end of the rotating shaft 18 is connected with the fan blades 17, and the fan blades 17 are located in the accommodating cavity and used for accelerating air flow in the accommodating cavity; the current limiting assembly is arranged in the accommodating cavity and is positioned on the side edge of the fan blade 17 and used for shunting the blown wind.
The structure that combines above-mentioned description can know, install module body 12 on placing board 23, later when using, rotate through driving piece drive pivot axle for the flabellum 17 of connection in axis of rotation 18 is driven rotatoryly, thereby insufflates the shell in from air intake 9 with external wind, and blows off from air outlet window 4, has accelerated the air flow that holds the intracavity, and the heat in the convenient to use process is fast dispelled, is favorable to protecting circuit module; and the side of the fan blade 17 is provided with the current-limiting component, so that the air blown into the shell is divided, and the adjustment of the air volume is realized. It should be noted that the driving member in this embodiment employs a driving motor 19.
In one embodiment, the current limiting assembly includes a first wind deflector 20 and two second wind deflectors 15, the two second wind deflectors 15 are located on two sides of the air inlet 9, one end of each of the two second wind deflectors 15 is fixedly connected with the housing, the first wind deflector 20 is located between the two second wind deflectors 15, a gap is left between the first wind deflector 20 and the inner wall of the accommodating cavity, and the fan blades 17 are located in the gap.
It should be noted that, by arranging the first wind deflector 20 and the second wind deflector 15 at the air inlet 9, when the driving fan 17 rotates to blow outside air into the housing, the first wind deflector 20 resists the blown air, so that the air is blown in from two sides of the first wind deflector 20, and the module body 12 and other devices in the housing are cooled.
In one embodiment, the flow restricting assembly further comprises a threaded post 7 and a spring 16, one end of the threaded post 7 being connected to the housing, a first air deflector 20 being connected to the other end of the threaded post 7, and the spring 16 being wound around the surface of the threaded post 7. It should be noted that the end that screw post 7 is connected to the shell uses threaded ring 8 to lock, when blowing external wind to the shell in, through rotating threaded ring 8 for screw post 7 can drive first deep bead 20 and remove, and then changes the distance between first deep bead 20 and the air intake 9, and lets the gap between first deep bead 20 and the second deep bead 15 change, thereby realizes the regulation to the wind size.
In one embodiment, the flow restricting assembly further comprises a dust filter 25, the dust filter 25 being located between the placing plate 23 and the second damper 15. Can so that the wind of blowing in the shell can be filtered by dust filter screen 25 for dust in the wind is filtered, thereby protects module body 12, increases module body 12's life, avoids the dust to influence module body 12's use.
In one embodiment, a baffle 3 is arranged inside the air inlet window, two ends of the baffle 3 are connected with rotating columns, and the other ends of the rotating columns are connected to the inner wall of the air outlet window 4. Through stirring baffle 3, make baffle 3 rotate through rotating the post to change the size of its air-out, and can prevent the entering of foreign matter through baffle 3.
In one embodiment, the a/D conversion circuit module structure further includes a drying component disposed in the accommodating cavity, the drying component includes a placing box 21 and a cover plate 11, the placing box 21 is disposed in the accommodating cavity and fixedly connected to the housing, the placing box 21 is provided with a groove 22 for placing a drying agent, the cover plate 11 is disposed on the surface of the placing box 21 for covering the groove 22, and the surface of the cover plate 11 is provided with a plurality of air holes 10 communicated with the groove 22.
It should be noted that, the desiccant is placed inside the groove 22, and then the desiccant absorbs moisture through the air holes 10, so as to ensure the dryness inside the housing, and avoid the moisture inside the housing from being wet, which may cause the end-of-wire interface and the module body 12 to be corroded and damaged, thereby protecting the same.
In one embodiment, the housing comprises a housing 1 and a housing cover 2, the accommodating cavity is opened in the housing 1, and the housing 1 is detachably connected to the top of the housing 1 for covering the accommodating cavity.
Specifically, a first mounting hole is formed in the top of the housing, and a second mounting hole matched with the first mounting hole is formed in the housing cover 2. It should be noted that, the cap 2 passes the top that second mounting hole and first mounting hole are fixed to the shell respectively through bolt 5, realizes closing the lid that holds the chamber, when needs are dismantled, only need with bolt 5 unscrew can, simple structure, it is more convenient to install or dismantle.
In one embodiment, a plurality of through slots 24 are provided at intervals on the surface of the placing plate 23. It should be noted that through the interval set up logical groove 24 on placing the surface of table for the wind that blows in the shell can flow from logical groove 24, realizes the rapid cooling to module body 12, has improved the effect of cooling.
As shown in fig. 7, in a second aspect of the present invention, a heat dissipation method for an a/D conversion circuit module structure is provided, which is used for dissipating heat of the a/D conversion circuit module structure of the first aspect, and includes the following steps:
s100, starting a driving piece to drive the fan blades to rotate, so that outside air is blown into the shell from the air inlet, and the air flow in the accommodating cavity is accelerated;
s200, stir the baffle for interval between the adjacent baffle changes, holds the size of the air-out of intracavity with the change, thereby reaches thermal dispersing.
Rotate through driving piece drive pivot axle for the flabellum of connection in the axis of rotation is driven rotatoryly, thereby blows in the shell with external wind from the air intake department in, and blows off from air-out window department, has accelerated the air flow that holds the intracavity, and the heat in the use of being convenient for gives off fast, is favorable to protecting circuit module.
As shown in fig. 8, in one embodiment, the following steps are further included after step S200:
s300, mounting the second baffles on two sides of the air inlet, and arranging the first baffles between the two first baffles through threaded columns;
s400, the distance between the first wind shield and the air inlet is achieved through the back-and-forth movement of the threaded column, and therefore the air inlet amount is adjusted.
Through setting up first deep bead and second deep bead in air intake department for when blowing into the shell with external wind through the rotation of drive flabellum, first deep bead is kept out to the wind that blows in, makes wind blow in from the both sides of first deep bead, thereby cools down for module body and other devices in the shell.
It is to be understood that the foregoing examples, while indicating the preferred embodiments of the invention, are given by way of illustration and description, and are not to be construed as limiting the scope of the invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several changes and modifications can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.
Claims (8)
1. An A/D conversion circuit module structure, comprising: a housing, a module body, a heat dissipation assembly and a current-limiting assembly,
the module comprises a module body, a shell, a positioning plate, an air inlet, an air outlet window and a positioning plate, wherein the shell is provided with an accommodating cavity, the accommodating cavity is internally provided with a placing plate, the module body is arranged on the surface of the placing plate, one side of the shell is provided with the air inlet communicated with the accommodating cavity, and the other side of the shell is provided with the air outlet window communicated with the accommodating cavity;
the heat dissipation assembly comprises a driving piece, a supporting rod, a rotating shaft and fan blades, the supporting rod is arranged in the air inlet, the driving piece is fixed at one end, facing the accommodating cavity, of the supporting rod, the output end of the driving piece is connected with one end of the rotating shaft, the other end of the rotating shaft is connected with the fan blades, and the fan blades are located in the accommodating cavity and used for accelerating air flow in the accommodating cavity;
the flow limiting assembly is arranged in the accommodating cavity, is positioned on the side edge of the fan blade and is used for shunting the blown wind;
the flow limiting assembly comprises a first wind shield and two second wind shields, the two second wind shields are positioned on two sides of the air inlet, one ends of the two second wind shields are fixedly connected with the shell, the first wind shield is positioned between the two second wind shields, a gap is reserved between the first wind shield and the inner wall of the accommodating cavity, and the fan blades are arranged in the gap;
the current limiting assembly further comprises a threaded column and a spring, one end of the threaded column is connected with the shell, the first wind shield is connected to the other end of the threaded column, and the spring is wound on the surface of the threaded column.
2. The a/D conversion circuit module structure of claim 1, wherein the current limiting assembly further comprises a dust filter, and the dust filter is located between the placing plate and the second wind deflector.
3. The A/D conversion circuit module structure of claim 1, wherein a baffle is arranged inside the air outlet window, two ends of the baffle are connected with rotating columns, and the other ends of the rotating columns are connected to the inner wall of the air outlet window.
4. The a/D conversion circuit module structure of claim 1, further comprising a drying component disposed in the accommodating cavity, wherein the drying component comprises a placing box and a cover plate, the placing box is disposed in the accommodating cavity and is fixedly connected to the housing, the placing box is provided with a groove for placing a drying agent, the cover plate is disposed on a surface of the placing box and is used for covering the groove, and a plurality of air holes are disposed on a surface of the cover plate and are communicated with the groove.
5. The a/D conversion circuit module structure according to claim 1, wherein the housing includes a casing and a housing cover, the accommodating chamber is provided in the casing, and the casing is detachably connected to a top of the casing and is used for covering the accommodating chamber.
6. The a/D conversion circuit module structure according to claim 1, wherein a plurality of through grooves are provided at intervals on the surface of the placement board.
7. A heat dissipation method for an a/D conversion circuit module structure, for dissipating heat of the a/D conversion circuit module structure according to any one of claims 1 to 6, comprising the steps of:
(1) The driving piece is started to drive the fan blades to rotate, so that outside air is blown into the shell from the air inlet, and the air flow in the accommodating cavity is accelerated;
(2) Stir the baffle for interval between the adjacent baffle changes, holds the size of the air-out of intracavity with the change, thereby reaches thermal diffusion.
8. The method for dissipating heat of an a/D conversion circuit module structure according to claim 7, further comprising the following steps after the step (2):
installing second baffles at two sides of the air inlet, and arranging the first baffles between the two first baffles through threaded columns;
the distance between the first wind shield and the air inlet is realized through the back-and-forth movement of the threaded column, so that the adjustment of the air inlet amount is realized.
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