CN113225900A - High-efficient radiating composite circuit board - Google Patents
High-efficient radiating composite circuit board Download PDFInfo
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- CN113225900A CN113225900A CN202110479038.1A CN202110479038A CN113225900A CN 113225900 A CN113225900 A CN 113225900A CN 202110479038 A CN202110479038 A CN 202110479038A CN 113225900 A CN113225900 A CN 113225900A
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- circuit board
- board body
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- heat dissipation
- heat
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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
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
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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
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0201—Thermal arrangements, e.g. for cooling, heating or preventing overheating
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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
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention provides a composite circuit board capable of efficiently radiating heat, which comprises a circuit board body, wherein the bottom of the circuit board body is fixedly connected with a heat radiating device, the heat radiating device comprises an installation cavity, two symmetrically arranged heat radiating main bodies are arranged in the installation cavity, the circuit board body comprises a heat conducting plate and a circuit board main body, and the heat conducting plate is provided with a plurality of heat radiating holes. The invention can solve the technical problems that the normal work of the circuit board is influenced and the consumption of the service life of the circuit board is accelerated because most circuit boards need to work for a long time to continuously generate heat at present and a heat dissipation mechanism is not arranged on the circuit boards, so that the heat of the circuit board cannot be dissipated.
Description
Technical Field
The invention relates to the technical field of circuit boards, in particular to a composite circuit board capable of efficiently dissipating heat.
Background
The circuit board divide into ceramic circuit board, alumina ceramic circuit board, aluminium nitride ceramic circuit board, the PCB board, aluminium base board, the high frequency board, thick copper board, the impedance board, PCB, ultra-thin circuit board, printing (copper etching technique) circuit board etc. most circuit boards are owing to all need long-term work to last to generate heat at present, and do not have heat dissipation mechanism on it for the circuit board heat can't distribute away, leads to the normal work of circuit board to receive the influence, has accelerated the consumption in circuit board life-span simultaneously.
Disclosure of Invention
The invention provides a composite circuit board capable of efficiently dissipating heat, which is used for solving the technical problem.
In order to solve the technical problem, the invention discloses a composite circuit board capable of efficiently radiating heat, which comprises a circuit board body, wherein the bottom of the circuit board body is fixedly connected with a heat radiating device, the heat radiating device comprises an installation cavity, two symmetrically arranged heat radiating main bodies are arranged in the installation cavity, the circuit board body comprises a heat conducting plate and a circuit board main body, and the heat conducting plate is provided with a plurality of heat radiating holes.
Preferably, the circuit board main part includes a plurality of circuit layers from the top down in proper order, and a plurality of circuit layers are the rectangle structure, and adjacent fixed connection between the circuit layer, and each other pressfitting is a whole.
Preferably, the heat dissipation main part includes the fin, be equipped with water inlet and delivery port on the fin, the water inlet with the delivery port passes through the connecting pipe and connects and form closed rivers circulation circuit, be connected with external water source on the connecting pipe.
Preferably, the circuit board body is connected with a plurality of components through pins.
Preferably, the circuit board body is provided with a dust absorption rod, and the dust absorption rod is used for electrostatically absorbing dust on the periphery of the circuit board body.
Preferably, the heat dissipation main body comprises a protective shell and a heat dissipation actuating mechanism, and the heat dissipation actuating mechanism is installed in the protective shell;
the protective casing comprises a protective base and a protective cover, the protective cover is connected in the protective base in a sliding manner, the protective base is fixedly connected with the side wall of the installation cavity, an inserting cavity and a mounting hole which are symmetrically arranged are formed in the protective base, the inserting cavity and the mounting hole are communicated through a guide hole, the protective cover comprises a protective table and an inserting rod which are symmetrically arranged, the inserting rod is sleeved in the inserting cavity, a second driving piece is arranged on the protective cover and used for driving the inserting rod to slide along the inserting cavity, a stopping block is arranged on the protective base and electrically connected with the second driving piece, when the protective cover is abutted against the stopping block, the second driving piece stops working, a dead lever is fixedly connected in the mounting hole, and a power mechanism, a locking mechanism and a heat dissipation executing mechanism are arranged in the dead lever, the power mechanism is used for driving the locking mechanism and the heat dissipation executing mechanism to move;
the hollow rod comprises a hollow rod base and a hollow rod cavity, the locking mechanism is arranged in the hollow rod base, the locking mechanism comprises a placing cavity and a locking mounting hole which are symmetrically arranged, an expansion elastic part is arranged in the placing cavity, a double-end push rod is sleeved in the locking mounting hole, the double-end push rod comprises a first rubber head, a second rubber head and a rod body, the first rubber head and the second rubber head are respectively positioned on two sides of the rod body, the second rubber head is positioned outside the hollow rod base, a buffer part is sleeved at one end, close to the first rubber head, of the rod body, a plurality of insertion holes which are uniformly arranged are formed in the insertion cavity, insertion short rods are connected in the guide holes in a sliding mode, and the insertion short rods can be matched with the insertion holes;
the heat dissipation executing mechanism comprises a sliding rod, one end of the sliding rod is fixedly connected with a third rubber head, and the other end of the sliding rod is fixedly connected with a fan;
the power mechanism can simultaneously push the second rubber head and the third rubber head to slide back to back along the hollow rod cavity.
Preferably, the power mechanism is arranged in the hollow rod cavity and comprises a guide rod which is arranged along the radial direction of the hollow rod cavity, and is mutually vertical to the axial direction of the hollow rod cavity, a sleeve is sleeved on the guide rod, the sleeve is connected on the guide rod in a vertical sliding way, the sleeve is provided with a first connecting lug and a second connecting lug which are symmetrically arranged, the first connecting lug and the second connecting lug are respectively hinged with a first connecting rod and a second connecting rod, one ends of the first connecting rod and the second connecting rod, which are far away from the sleeve, are respectively hinged with a first sliding block and a second sliding block, the inner wall of the hollow rod cavity is provided with a first guide rail and a second guide rail, the first slide block and the second slide block are respectively connected on the first guide rail and the second guide rail in a sliding way, and a first driving piece is arranged on the sleeve and used for driving the sleeve to slide along the guide rod.
Preferably, the corner of the circuit board body is sleeved with an anti-collision corner sleeve, the anti-collision corner sleeve comprises a corner sleeve main body and a circuit board installation cavity, two mechanism installation cavities symmetrically arranged about the circuit board installation cavity are arranged in the corner sleeve main body, each mechanism installation cavity comprises a buffer mechanism outlet and a clamping mechanism outlet, a power shaft, a buffer mechanism and a clamping mechanism are arranged in each mechanism installation cavity, a third driving piece is arranged on each power shaft and used for driving the power shafts to rotate, and the power shafts rotate to drive the buffer mechanism and the clamping mechanism to operate;
the buffer mechanism comprises a first gear, the first gear is connected to the power shaft in a key mode, the end portion of the power shaft is connected with a first bevel gear in a key mode, a rotating shaft is arranged on the inner wall of the mechanism installation cavity and is perpendicular to the axial direction of the power shaft, a second bevel gear and a second gear are connected to the rotating shaft in a key mode, the first bevel gear is meshed with the second bevel gear, a first rack is connected in the mechanism installation cavity in a sliding mode, the sliding direction is perpendicular to the axial direction of the rotating shaft, the second gear is meshed with the first rack, a buffer pad is arranged at the outlet of the buffer mechanism, and the first rack can push the buffer pad to move;
the clamping mechanism comprises a second rack, the second rack is connected in the mechanism installation cavity in a sliding mode, the sliding direction is perpendicular to the axis direction of the power shaft, the second rack is meshed with the first gear, a threaded rod is arranged in the mechanism installation cavity in a manner of being parallel to the axis direction of the power shaft, a third gear is connected to the threaded rod in a keyed mode, the third gear is meshed with the second rack, a bobbin is further sleeved on the threaded rod, a pull rope is wound on the bobbin, one end, away from the bobbin, of the pull rope is located outside the anti-collision corner sleeve, a manual pull ring is arranged at the end of the pull rope, one end, away from the third gear, of the threaded rod is conical and sleeved in the threaded barrel, the threaded barrel is fixedly connected in the mechanism installation cavity through a mounting frame, and two symmetrically arranged sliding through holes are formed in the radial direction of the threaded barrel, sliding connection has the wedge in the through-hole that slides, the wedge is located one end shape in the screw thread section of thick bamboo with threaded rod tip shape phase-match, the wedge is located the outer one end hinged joint of screw thread section of thick bamboo has the tight connecting rod of clamp, it keeps away from to press from both sides tight connecting rod the tight piece of one end fixedly connected with clamp of wedge.
Preferably, the method further comprises the following steps:
the heat dissipation device starting alarm system is arranged on the heat dissipation device and is electrically connected with the heat dissipation device, and the heat dissipation device starting alarm system is used for controlling the working state of the heat dissipation device;
the heat dissipation device starts alarm system includes controller and alarm, the controller with the alarm electricity is connected, the controller control the alarm is reported to the police based on following step:
the method comprises the following steps: calculating the actual radiation heat generation quantity of the circuit board body:
wherein, WstActual heat generation amount by radiation of the circuit board body, J2Is the actual temperature of the circuit board body, J1Alpha is the thermal emissivity of the material of the circuit board body, gamma is the Boltzmann constant, a is the length of the circuit board body, b is the width of the circuit board body, h is the height of the circuit board body, J is the ambient temperature0For presetting the optimum temperature of the circuit board body, ln is a natural logarithm taking e as a base, and tstIs the heating time of the circuit board body, t0Presetting heating time for the circuit board body;
step two: calculating the actual comprehensive heat production quantity of the circuit board body (1):
wherein, WistIs the actual integrated heat generation amount of the circuit board body, WstIs the actual radiation heat generation amount of the circuit board body, beta2Heat conduction and transfer coefficient beta of the circuit board body3Is the convection heat transfer coefficient, W, of the circuit board bodyαIs a preset heat conduction quantity, t, of the heat-conducting plate in unit timestThe heating time of the circuit board body is defined, and n is the number of the heat dissipation holes;
step three: the controller compares the actual comprehensive heat production quantity of the circuit board body with the preset comprehensive heat production quantity of the circuit board body, and if the actual comprehensive heat production quantity of the circuit board body is larger than the preset comprehensive heat production quantity of the circuit board body, the controller controls the alarm to give an alarm to prompt the heat dissipation device to start working.
Preferably, still include circuit board oxidation monitoring system, circuit board oxidation monitoring system is used for monitoring the oxidation degree of circuit board body:
actual oxidation degree of the circuit board body:
wherein psiσIs the actual oxidation degree of the circuit board body, psi0The standard oxidation degree of the circuit board body is shown as e, the value is 2.72, the value of Y is a collision factor among the material molecules of the circuit board body, and chi is the preset activation energy in the oxidation process of the circuit board body, TαThe average working temperature of the circuit board body is obtained;
the actual oxidation degree of the circuit board body is larger than the standard oxidation degree of the circuit board body, and the fact that the working reliability of the circuit board body is reduced and a new circuit board needs to be replaced is proved.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural diagram of the circuit board body of the present invention.
Fig. 3 is a schematic structural diagram 1 of a heat dissipation main body according to the present invention.
Fig. 4 is a schematic view of the heat dissipation main body structure of the present invention 2.
Fig. 5 is a schematic structural view of the protection base of the present invention.
Fig. 6 is a schematic structural diagram of the power mechanism according to the present invention.
Fig. 7 is a schematic view of the structure of the anti-collision corner sleeve of the invention.
Fig. 8 is a schematic structural view of a-a in the sectional view of fig. 7.
Fig. 9 is a schematic structural view of a clamping mechanism of the present invention.
In the figure: 1. a circuit board body; 100. a circuit board; 101. a heat conducting plate; 102. heat dissipation holes; 103. a pin; 104. a component; 105. a dust suction bar; 106. a circuit board main body; 107. a heat sink; 108. a water inlet; 109. a water outlet; 2. a heat sink; 200. installing a cavity; 201. a heat dissipating body; 202. a protective housing; 2020. a protective base; 2021. a protective cover; 2022. an insertion cavity; 2023. mounting holes; 2024. a guide hole; 2025. a protection platform; 2026. inserting and combining the rods; 2027. inserting and combining holes; 2028. inserting the short rod; 203. a heat dissipation actuator; 2030. a slide bar; 2031. a third rubber head; 2032. a fan; 204. a hollow rod; 2040. a hollow rod base; 2041. a hollow shaft cavity; 205. a locking mechanism; 2050. a placement chamber; 2051. locking the mounting hole; 2052. an expanding elastic member; 2053. a double-ended push rod; 2054. a first rubber head; 2055. a second rubber head; 2056. a rod body; 2057. a buffer member; 206. a power mechanism; 2060. a guide bar; 2061. a sleeve; 2062. a first connecting lug; 2063. a second engaging lug; 2064. a first link; 2065. a second link; 2066. a first slider; 2067. a second slider; 2068. a first guide rail; 2069. a second guide rail; 207. cutting to blocks; 3. anti-collision corner sleeves; 300. a buffer mechanism; 3000. a first gear; 3001. a first bevel gear; 3002. a rotating shaft; 3003. a second bevel gear; 3004. a second gear; 3005. a first rack; 3006. a cushion pad; 3007. clamping the connecting rod; 3008. a clamping block; 301. a clamping mechanism; 3010. a second rack; 3011. a threaded rod; 3012. a third gear; 3013. a bobbin; 3014. pulling a rope; 3015. a manual pull ring; 3016. a threaded barrel; 3017. a mounting frame; 3018. a slip through hole; 3019. a wedge block; 302. a mechanism mounting cavity; 303. an outlet of the buffer mechanism; 304. an outlet of the clamping mechanism; 305. a power shaft; 306. a corner sleeve body; 307. circuit board installation cavity.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions and technical features between various embodiments can be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not be within the protection scope of the present invention.
The present invention provides the following examples:
example 1
The embodiment of the invention provides a composite circuit board with high-efficiency heat dissipation, which comprises a circuit board body 1, wherein the bottom of the circuit board body 1 is fixedly connected with a heat dissipation device 2, the heat dissipation device 2 comprises a mounting cavity 200, two heat dissipation main bodies 201 which are symmetrically arranged are arranged in the mounting cavity 200, the circuit board body 1 comprises a heat conduction plate 101 and a circuit board main body 106, and the heat conduction plate 101 is provided with a plurality of heat dissipation holes 102;
the circuit board main body 106 sequentially comprises a plurality of circuit layers 100 from top to bottom, the circuit layers 100 are all rectangular structures, and adjacent circuit layers 100 are fixedly connected and pressed into a whole; specifically, the plurality of circuit layers 100 includes: the topmost core plate and the heat dissipation coating layer and the semi-cured plate layer arranged at the lower end of the topmost core plate:
the heat dissipation main body 201 comprises a heat dissipation fin 107, a water inlet 108 and a water outlet 109 are arranged on the heat dissipation fin 107, the water inlet 108 and the water outlet 109 are connected through a connecting pipe to form a closed water flow circulation loop, and an external water source is connected to the connecting pipe;
the circuit board body 1 is connected with a plurality of components 104 through pins 103;
the circuit board comprises a circuit board body 1, and is characterized in that a dust suction rod 105 is arranged on the circuit board body 1, and the dust suction rod 105 is used for electrostatically attracting dust on the periphery of the circuit board body 1.
The working principle and the beneficial effects of the technical scheme are as follows: the design of dust absorption stick 105 will fall on dust absorption on the circuit board has avoided the dust to the influence of circuit board normal work, heat abstractor 2 heat-conducting plate 101 with louvre 102's design has solved present most circuit boards because all need long-term work to continuously generate heat, and does not have heat dissipation mechanism on it for circuit board heat can't distribute away, leads to the normal work of circuit board to receive the influence, has accelerated the consumption in circuit board life-span simultaneously.
Example 2
On the basis of the above embodiment 1, as shown in fig. 3 to 6, the heat dissipation main body 201 includes a protective housing 202 and a heat dissipation actuator 203, and the heat dissipation actuator 203 is installed in the protective housing 202;
the protective housing 202 includes a protective base 2020 and a protective cover 2021, the protective cover 2021 is slidably connected to the protective base 2020, the protective base 2020 is fixedly connected to the side wall of the installation cavity 200, the protective base 2020 is provided with two symmetrically arranged insertion cavities 2022 and installation holes 2023, the insertion cavities 2022 and the installation holes 2023 are communicated through guide holes 2024, the protective cover 2021 includes a protective table 2025 and two symmetrically arranged insertion rods 2026, the insertion rods 2026 are sleeved in the insertion cavities 2022, the protective cover 2021 is provided with a second driving member, the second driving member is used for driving the insertion rods 2026 to slide along the insertion cavities 2022, the protective base 2020 is provided with a cut-off block 207, the cut-off block 207 is electrically connected to the second driving member, when the protective cover 2021 abuts against the cut-off block 207, the second driving member stops working, the installation holes 2023 are fixedly connected to an empty rod 204, a power mechanism 206, a locking mechanism 205 and the heat dissipation executing mechanism 203 are arranged in the hollow rod 204, and the power mechanism 206 is used for driving the locking mechanism 205 and the heat dissipation executing mechanism 203 to move;
the hollow rod 204 comprises a hollow rod base 2040 and a hollow rod cavity 2041, the locking mechanism 205 is disposed in the hollow rod base 2040, the locking mechanism 205 comprises two symmetrically arranged placing cavities 2050 and locking mounting holes 2051, an expansion elastic piece 2052 is arranged in the placing cavity 2050, a double-end push rod 2053 is sleeved in the locking mounting hole 2051, the double-ended push rod 2053 comprises a first rubber head 2054, a second rubber head 2055 and a rod body 2056, the first rubber head 2054 and the second rubber head 2055 are respectively positioned on two sides of the rod body 2056, and the second rubber head 2055 is located outside the hollow rod base 2040, a buffer 2057 is sleeved on one end of the rod body 2056 close to the first rubber head 2054, a plurality of inserting holes 2027 which are uniformly arranged are formed in the inserting cavity 2022, inserting short rods 2028 are slidably connected in the guide holes 2024, and the inserting short rods 2028 can be matched with the inserting holes 2027;
the heat dissipation executing mechanism 203 comprises a sliding rod 2030, one end of the sliding rod 2030 is fixedly connected with a third rubber head 2031, and the other end of the sliding rod 2030 is fixedly connected with a fan 2032;
the power mechanism 206 can simultaneously push the second rubber head 2055 and the third rubber head 2031 to slide back to back along the hollow rod cavity 2041;
the power mechanism 206 is disposed in the hollow rod cavity 2041, the power mechanism 206 includes a guide rod 2060, the guide rod 2060 is disposed along a radial direction of the hollow rod cavity 2041 and is perpendicular to an axial direction of the hollow rod cavity 2041, a sleeve 2061 is sleeved on the guide rod 2060, the sleeve 2061 is slidably connected to the guide rod 2060 up and down, the sleeve 2061 is provided with a first connecting lug 2062 and a second connecting lug 2063, the first connecting lug 2062 and the second connecting lug 2063 are respectively and hingedly connected to a first connecting rod 2064 and a second connecting rod 2065, one ends of the first connecting rod 2064 and the second connecting rod 2065, which are far away from the sleeve 2061, are respectively and hingedly connected to a first sliding block 2066 and a second sliding block 2067, the inner wall of the hollow rod cavity 2041 is provided with a first guide rail 2068 and a second guide rail 2069, the first sliding block 2066 and the second sliding block 2067 are respectively and slidably connected to the first guide rail 2068 and the second guide rail 2069, a first driving member is arranged on the sleeve 2061, and the first driving member is used for driving the sleeve 2061 to slide along the guide rod 2060.
The working principle and the beneficial effects of the technical scheme are as follows: before the heat dissipation body 201 is used, as shown in fig. 3, that is, the fan 2032 is located in the protection stage 2025, when in use, the second driving member drives the insertion rod 2026 to slide along the insertion cavity 2022, so that the insertion rod 2026 moves towards the bottom of the insertion cavity 2022 to drive the protection stage 2025 to move, the protection stage 2025 moves so that the fan 2032 is no longer located in the protection stage 2025, when the insertion rod 2026 is moved to the right position, the first driving member drives the sleeve 2061 to slide along the guide rod 2060, the sleeve 2061 slides to drive the first link 2064 and the second link 2065 to drive the first slider 2066 and the second slider 2067 to move along the first guide rail 2068 and the second guide rail 2069, at this time, the first slider 2066 can drive the second rubber head 5 to move, and the second rubber head 2055 drives the first rubber head 2054 to move, the first rubber head 2054 presses against the expansion elastic member 2052, the expansion elastic member 2052 laterally expands in volume under the action of the first rubber head 2054, and laterally presses the insertion short rod 2028, so that the insertion short rod 2028 and the insertion hole 2027 are matched with each other, at this time, the position of the protection table 2025 is fixed, and meanwhile, the second slider 2067 abuts against the third rubber head 2031, so that the sliding rod 2030 drives the fan 2032 to extend out of the hollow rod cavity 2041, and then the fan 2032 is started to radiate heat to the circuit board.
The design of heat dissipation main part 201 makes the circuit board can in time dispel the heat, has increased the life of circuit board, protective cover 2021 with the design of dead lever chamber 2041 makes fan 2032 can be protected when not using, the design of bolster 2057 reduces and has attenuated the impact that double-end push rod 2053 back and forth movement adjacent part collided the production between like the dead lever base 2040, the design of inflation elastic component 2052 makes the pressure that receives on vertical can produce great deformation on horizontal, the design of power unit 206 can promote simultaneously second rubber head 2055 with third rubber head 2031 is followed dead lever chamber 2041 slides mutually, has reduced drive arrangement, has practiced thrift the manufacturing cost of circuit board.
Example 3
On the basis of embodiment 1 or 2, as shown in fig. 7 to 9, an anti-collision corner sleeve 3 is sleeved on a corner of the circuit board body 1, the anti-collision corner sleeve 3 includes a corner sleeve main body 306 and a circuit board installation cavity 307, two mechanism installation cavities 302 symmetrically arranged with respect to the circuit board installation cavity 307 are arranged in the corner sleeve main body 306, each mechanism installation cavity 302 includes a buffer mechanism outlet 303 and a clamping mechanism outlet 304, a power shaft 305, a buffer mechanism 300 and a clamping mechanism 301 are arranged in each mechanism installation cavity 302, a third driving member is arranged on each power shaft 305, the third driving member is used for driving the power shaft 305 to rotate, and the power shaft 305 rotates to drive the buffer mechanism 300 and the clamping mechanism 301 to operate;
the buffer mechanism 300 comprises a first gear 3000, the first gear 3000 is keyed on the power shaft 305, a first bevel gear 3001 is keyed at the end of the power shaft 305, a rotating shaft 3002 is arranged on the inner wall of the mechanism installation cavity 302, the rotating shaft 3002 is perpendicular to the axial direction of the power shaft 305, a second bevel gear 3003 and a second gear 3004 are keyed on the rotating shaft 3002, the first bevel gear 3001 is engaged with the second bevel gear 3003, a first rack 3005 is slidably connected in the mechanism installation cavity 302, the sliding direction is perpendicular to the axial direction of the rotating shaft 3002, the second gear 3004 is engaged with the first rack 3005, a buffer pad 3006 is arranged at the outlet 303 of the buffer mechanism, and the first rack 3005 can push the buffer pad 3006 to move;
the clamping mechanism 301 comprises a second rack 3010, the second rack 3010 is connected in the mechanism installation cavity 302 in a sliding manner, the sliding direction of the second rack 3010 is perpendicular to the axis direction of the power shaft 305, the second rack 3010 is meshed with the first gear 3000, a threaded rod 3011 is arranged in the mechanism installation cavity 302 in a direction parallel to the axis direction of the power shaft 305, a third gear 3012 is connected to the threaded rod 3011 in a key manner, the third gear 3012 is meshed with the second rack 3010 in a mutual engagement manner, a winding drum 3013 is further sleeved on the threaded rod 3011, a pull rope 3014 is wound on the winding drum 3013, one end of the pull rope 3014, far away from the winding drum 3013, is located outside the anti-collision corner sleeve 3, the end of the pull rope 3015 is provided with a manual pull ring 3015, one end of the threaded rod 3011, far away from the third gear 3012, is conical and is sleeved in the winding drum 3016, the winding drum 3016 is fixedly connected in the mechanism installation cavity 302 through a mounting block 3017, be equipped with two symmetrical arrangement's the through-hole of sliding 3018 on the radial direction of screw cylinder 3016, sliding connection has wedge 3019 in the through-hole of sliding 3018, wedge 3019 is located one end shape in the screw cylinder 3016 with threaded rod 3011 tip shape phase-match, wedge 3019 is located the outer one end hinged joint of screw cylinder 3016 has clamping link 3007, clamping link 3007 keeps away from the one end fixedly connected with of wedge 3019 presss from both sides tight piece 3008.
The working principle and the beneficial effects of the technical scheme are as follows: when the anti-collision corner sleeve 3 is used, the corner of the circuit board body 1 is sleeved with the anti-collision corner sleeve 3, then the third driving piece drives the power shaft 305 to rotate, the power shaft 305 rotates to drive the first bevel gear 3001 to rotate, the first bevel gear 3001 rotates to drive the second bevel gear 3003 to rotate, the second bevel gear 3003 rotates to drive the rotating shaft 3002 to rotate, the rotating shaft 3002 rotates to drive the second gear 3004 to rotate, the second gear 3004 rotates to drive the first rack 3005 to move, and the first rack 3005 moves to push the two cushion pads 3006 to move oppositely;
meanwhile, the power shaft 305 rotates to drive the first gear 3000 to rotate, the first gear 3000 rotates to drive the second rack 3010 to move, the second rack 3010 moves to drive the third gear 3012 to rotate, the third gear 3012 rotates to drive the threaded rod 3011 to rotate, the threaded rod 3011 moves towards the threaded cylinder 3016 under the action of the threaded cylinder 3016, the threaded rod 3011 pushes the wedge-shaped block 3019 to move along the sliding through hole 3018, the wedge-shaped block 3019 moves to clamp the circuit board body 1 by the clamping block 3008 under the action of the clamping connecting rod 3007, at the moment, the upper surface and the lower surface of the edge part of the circuit board body 1 are clamped by the clamping block 3008, and the side surface of the circuit board body 1 is provided with a cushion 3006;
when the third driving element is damaged or cannot be used in a special working environment, the manual pull ring 3015 is manually pulled, the reel 3013 drives the threaded rod 3011 to rotate under the action of the pull rope 3014, the threaded rod 3011 moves towards the threaded cylinder 3016 under the action of the threaded cylinder 3016, the threaded rod 3011 pushes the wedge-shaped block 3019 to move along the sliding through hole 3018, the wedge-shaped block 3019 moves, the clamping block 3008 clamps the circuit board body 1 under the action of the clamping connecting rod 3007, and at the moment, the upper surface and the lower surface of the edge part of the circuit board body 1 are clamped by the clamping block 3008;
the design of anticollision corner cover 3 has been avoided the circuit board is collided with the circuit board deformation that causes because of the corner in transportation or use, leads to circuit board work is inefficacy, buffer gear 300 with the design of pressing from both sides dress mechanism 301 makes the upper and lower and the side of circuit board corner receive the protection, manual pull ring 3015 stay cord 3014 with bobbin 3013's design has been avoided the third driving piece damages or when can not use because of special operational environment, leads to wholly the circumstances that anticollision corner cover 3 can not be used.
Example 4
On the basis of embodiment 1, the method further comprises the following steps:
the heat dissipation device starting alarm system is arranged on the heat dissipation device 2 and is electrically connected with the heat dissipation device 2, and the heat dissipation device starting alarm system is used for controlling the working state of the heat dissipation device 2;
the heat dissipation device starts alarm system includes controller and alarm, the controller with the alarm electricity is connected, the controller control the alarm is reported to the police based on following step:
the method comprises the following steps: calculating the actual radiation heat generation quantity of the circuit board body 1:
wherein, WstIs the actual radiation heat generation amount (unit is W) of the circuit board body 1, J2Is the actual temperature of the circuit board body 1, J1Alpha is the thermal emissivity of the material of the circuit board body 1, gamma is the Boltzmann constant, a is the length of the circuit board body 1, b is the width of the circuit board body 1, h is the height of the circuit board body 1, and J is the ambient temperature0For presetting the optimum temperature of the circuit board body 1, ln is the natural logarithm taking e as the base, tstIs the heating time, t, of the circuit board body 10Presetting heating time for the circuit board body 1;
step two: calculating the actual comprehensive heat production quantity of the circuit board body (1):
wherein, WistIs the actual integrated heat generation amount, W, of the circuit board body 1stIs the actual radiation heat generation amount, beta, of the circuit board body 12The heat conduction and heat transfer coefficient (unit is
)，β3Is the convection heat transfer coefficient (unit is
)，WαIs a preset heat conduction quantity, t, of the heat conduction plate 101 in unit timestThe heating time of the circuit board body 1 is defined, and n is the number of the heat dissipation holes 102;
step three: the controller compares the actual comprehensive heat production quantity of the circuit board body 1 with the preset comprehensive heat production quantity of the circuit board body 1, if the actual comprehensive heat production quantity of the circuit board body 1 is larger than the preset comprehensive heat production quantity of the circuit board body 1, the controller controls the alarm to give an alarm to prompt the heat dissipation device 2 to start working.
The working principle and the beneficial effects of the technical scheme are as follows: calculate earlier the actual radiation heat production capacity of circuit board body 1, later calculate the actual comprehensive heat production capacity of circuit board body 1, finally the controller compares the actual comprehensive heat production capacity of circuit board body 1 with the predetermined comprehensive heat production capacity of circuit board body 1, if the actual comprehensive heat production capacity of circuit board body 1 is greater than the predetermined comprehensive heat production capacity of circuit board body 1, then the controller control the alarm is reported to the police, the suggestion heat abstractor 2 begins to work, wherein has calculated W when calculating the actual comprehensive heat production capacity of circuit board body 1st(the actual radiation of the wiring board body 1 generates heat),
(Heat conduction and Heat Generation amount of Circuit Board body 1), (J)2-J1)*β3*(ab+4ah) (amount of heat convection generated by the circuit board body 1) and W is also calculatedα*tstN (heat dissipation of the heat-conducting plate 101) due to the detected value J introduced during the calculation2And a detected value J1The heat dissipation capacity of the heat conducting plate 101 is introduced, so that the calculation result is more accurate and has a higher reference value.
Example 5
On the basis of embodiment 1, the oxidation monitoring system for the circuit board is further included, and is used for monitoring the oxidation degree of the circuit board body 1:
actual oxidation degree of the wiring board body 1:
wherein psiσIs the actual oxidation degree, psi, of the wiring board body 10The standard oxidation degree of the circuit board body 1 is shown, e is a natural number and takes a value of 2.72, Y is a collision factor among the material molecules of the circuit board body 1, chi is a preset activation energy in the oxidation process of the circuit board body 1, and T isαThe average working temperature of the circuit board body 1;
the actual oxidation degree of the circuit board body 1 is greater than the standard oxidation degree of the circuit board body 1, and the fact that the working reliability of the circuit board body 1 is reduced is proved that a new circuit board needs to be replaced.
The working principle and the beneficial effects of the technical scheme are as follows: the design of circuit board oxidation monitoring system has avoided circuit board body 1 is because of being aroused by the oxidation the reliability decline of circuit board body 1 leads to the emergence of the unstable condition of circuit board body 1 work, circuit board oxidation monitoring system's design can in time remind the staff to change the circuit board.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The utility model provides a high-efficient radiating composite line board, its characterized in that, includes circuit board body (1), circuit board body (1) bottom fixedly connected with heat abstractor (2), heat abstractor (2) are including installation cavity (200), be equipped with heat dissipation main part (201) that two symmetries were arranged in installation cavity (200), circuit board body (1) is including being equipped with heat-conducting plate (101) and circuit board main part (106), be equipped with a plurality of louvres (102) on heat-conducting plate (101).
2. The composite circuit board with high heat dissipation efficiency as recited in claim 1,
the circuit board main body (106) comprises a plurality of circuit layers (100) from top to bottom in sequence, the circuit layers (100) are all of a rectangular structure, and the adjacent circuit layers (100) are fixedly connected and pressed into a whole.
3. The composite circuit board with high heat dissipation efficiency as recited in claim 2,
the heat dissipation main part (201) comprises a heat dissipation fin (107), a water inlet (108) and a water outlet (109) are arranged on the heat dissipation fin (107), the water inlet (108) and the water outlet (109) are connected through a connecting pipe to form a closed water flow circulation loop, and an external water source is connected to the connecting pipe.
4. The composite circuit board with the efficient heat dissipation function as claimed in claim 1, wherein the circuit board body (1) is connected with a plurality of components (104) through pins (103).
5. The composite circuit board with high heat dissipation efficiency as claimed in claim 1, wherein a dust suction rod (105) is disposed on the circuit board body (1), and the dust suction rod (105) is used for electrostatically sucking dust around and on the circuit board body (1).
6. The composite circuit board with high heat dissipation efficiency as recited in claim 1,
the heat dissipation main body (201) comprises a protective shell (202) and a heat dissipation actuating mechanism (203), wherein the heat dissipation actuating mechanism (203) is installed in the protective shell (202);
the protective casing (202) comprises a protective base (2020) and a protective cover (2021), the protective cover (2021) is slidably connected in the protective base (2020), the protective base (2020) is fixedly connected to the side wall of the installation cavity (200), the protective base (2020) is provided with two symmetrically arranged insertion cavities (2022) and installation holes (2023), the insertion cavities (2022) and the installation holes (2023) are communicated through guide holes (2024), the protective cover (2021) comprises a protective table (2025) and two symmetrically arranged insertion rods (2026), the insertion rods (2026) are sleeved in the insertion cavities (2022), the protective cover (2021) is provided with a second driving piece, the second driving piece is used for driving the insertion rods (2026) to slide along the insertion cavities (2022), the protective base (2020) is provided with a cut-off block (207), and the cut-off block (207) is electrically connected with the second driving piece, when the protective cover (2021) abuts against the cut-off block (207), the second driving piece stops working, a hollow rod (204) is fixedly connected in the mounting hole (2023), a power mechanism (206), a locking mechanism (205) and the heat dissipation executing mechanism (203) are arranged in the hollow rod (204), and the power mechanism (206) is used for driving the locking mechanism (205) and the heat dissipation executing mechanism (203) to move;
the hollow rod (204) comprises a hollow rod base (2040) and a hollow rod cavity (2041), the locking mechanism (205) is arranged in the hollow rod base (2040), the locking mechanism (205) comprises a placing cavity (2050) and a locking mounting hole (2051) which are symmetrically arranged, an expansion elastic piece (2052) is arranged in the placing cavity (2050), a double-head push rod (2053) is sleeved in the locking mounting hole (2051), the double-head push rod (2053) comprises a first rubber head (2054), a second rubber head (2055) and a rod body (2056), the first rubber head (2054) and the second rubber head (2055) are respectively positioned at two sides of the rod body (2056), the second rubber head (2055) is positioned outside the hollow rod base (2040), one end of the rod body (2056) close to the first rubber head (2054) is sleeved with a buffer piece (2057), and a plurality of inserting holes (2027) which are uniformly arranged in the inserting cavity (2022) are arranged, an inserting short rod (2028) is connected in the guide hole (2024) in a sliding mode, and the inserting short rod (2028) can be matched with the inserting hole (2027) mutually;
the heat dissipation executing mechanism (203) comprises a sliding rod (2030), one end of the sliding rod (2030) is fixedly connected with a third rubber head (2031), and the other end of the sliding rod (2030) is fixedly connected with a fan (2032);
the power mechanism (206) can simultaneously push the second rubber head (2055) and the third rubber head (2031) to slide back to back along the hollow rod cavity (2041).
7. The composite circuit board with high heat dissipation efficiency as recited in claim 6,
the power mechanism (206) is arranged in the hollow rod cavity (2041), the power mechanism (206) comprises a guide rod (2060), the guide rod (2060) is arranged along the radial direction of the hollow rod cavity (2041) and is mutually perpendicular to the axial direction of the hollow rod cavity (2041), a sleeve (2061) is sleeved on the guide rod (2060), the sleeve (2061) is connected onto the guide rod (2060) in an up-and-down sliding manner, the sleeve (2061) is provided with a first connecting lug (2062) and a second connecting lug (2063) which are symmetrically arranged, the first connecting lug (2062) and the second connecting lug (2063) are respectively hinged with a first connecting rod (2064) and a second connecting rod (2065), one ends of the first connecting rod (2064) and the second connecting rod (2065) far away from the sleeve (2061) are respectively hinged with a first sliding block (2066) and a second sliding block (2067), and the inner wall of the hollow rod cavity (2041) is provided with a first guide rail (2068) and a second guide rail (2069), the first sliding block (2066) and the second sliding block (2067) are respectively connected to the first guide rail (2068) and the second guide rail (2069) in a sliding mode, a first driving piece is arranged on the sleeve (2061), and the first driving piece is used for driving the sleeve (2061) to slide along the guide rod (2060).
8. The composite circuit board with high heat dissipation efficiency as recited in claim 1,
the corner of the circuit board body (1) is sleeved with an anti-collision corner sleeve (3), the anti-collision corner sleeve (3) comprises a corner sleeve main body (306) and a circuit board installation cavity (307), two mechanism installation cavities (302) which are symmetrically arranged about the circuit board installation cavity (307) are arranged in the corner sleeve main body (306), each mechanism installation cavity (302) comprises a buffer mechanism outlet (303) and a clamping mechanism outlet (304), a power shaft (305), a buffer mechanism (300) and a clamping mechanism (301) are arranged in each mechanism installation cavity (302), a third driving piece is arranged on each power shaft (305) and used for driving the power shaft (305) to rotate, and each power shaft (305) rotates to drive the buffer mechanism (300) and the clamping mechanism (301) to operate;
the damping mechanism (300) comprises a first gear (3000), the first gear (3000) is connected on the power shaft (305) in a key way, the end part of the power shaft (305) is in keyed connection with a first bevel gear (3001), the inner wall of the mechanism mounting cavity (302) is provided with a rotating shaft (3002), the axial directions of the rotating shaft (3002) and the power shaft (305) are mutually vertical, a second bevel gear (3003) and a second gear (3004) are connected with the rotating shaft (3002) in a key way, the first bevel gear (3001) and the second bevel gear (3003) are engaged with each other, a first rack (3005) is connected in the mechanism mounting cavity (302) in a sliding way, and the sliding direction is vertical to the axial direction of the rotating shaft (3002), the second gear (3004) is meshed with the first rack (3005), a buffer pad (3006) is arranged at the outlet (303) of the buffer mechanism, and the first rack (3005) can push the buffer pad (3006) to move;
the clamping mechanism (301) comprises a second rack (3010), the second rack (3010) is connected in the mechanism installation cavity (302) in a sliding mode, the sliding direction of the second rack (3010) is perpendicular to the axis direction of the power shaft (305), the second rack (3010) is meshed with the first gear (3000), a threaded rod (3011) is arranged in the mechanism installation cavity (302) in a direction parallel to the axis direction of the power shaft (305), a third gear (3012) is connected to the threaded rod (3011) in a key mode, the third gear (3012) is meshed with the second rack (3010), a winding drum (3013) is further sleeved on the threaded rod (3011), a pull rope (3014) is wound on the winding drum (3013), one end, far away from the winding drum (3013), of the pull rope (3014) is located outside the anti-collision corner sleeve (3), the end of the pull ring (3015) is provided with a manual operation, one end, and one end, far away from the third gear (3012) of the threaded rod (3011) is a conical shape, and the cover is established in a screw thread section of thick bamboo (3016), screw thread section of thick bamboo (3016) are in through mounting bracket (3017) fixed connection in mechanism installation cavity (302), be equipped with two symmetrical arrangement's through-hole (3018) that slide on screw thread section of thick bamboo (3016) radial direction, sliding connection has wedge (3019) in through-hole (3018), wedge (3019) are located one end shape in screw thread section of thick bamboo (3016) with threaded rod (3011) tip shape phase-match, wedge (3019) are located the outer one end hinged joint of screw thread section of thick bamboo (3016) presss from both sides tight connecting rod (3007), press from both sides tight connecting rod (3007) and keep away from the one end fixedly connected with of wedge (3019) presss from both sides tight piece (3008).
9. The composite circuit board for efficient heat dissipation according to claim 1, further comprising:
the heat dissipation device starting alarm system is arranged on the heat dissipation device (2) and is electrically connected with the heat dissipation device (2), and the heat dissipation device starting alarm system is used for controlling the working state of the heat dissipation device (2);
the heat dissipation device starts alarm system includes controller and alarm, the controller with the alarm electricity is connected, the controller control the alarm is reported to the police based on following step:
the method comprises the following steps: calculating the actual radiation heat generation quantity of the circuit board body (1):
wherein, WstFor the actual radiation heat production of the circuit board body (1), J2Is the circuit board body (1)) Actual temperature of J1Alpha is the thermal emissivity of the material of the circuit board body (1), gamma is the Boltzmann constant, a is the length of the circuit board body (1), b is the width of the circuit board body (1), h is the height of the circuit board body (1), J is the ambient temperature0For the preset optimum temperature of the circuit board body (1), l n is a natural logarithm taking e as a base, tstIs the heating time, t, of the circuit board body (1)0Presetting heating time for the circuit board body (1);
step two: calculating the actual comprehensive heat production quantity of the circuit board body (1):
wherein, WistIs the actual integrated heat production quantity, W, of the circuit board body (1)stFor producing heat beta for the actual radiation of the circuit board body (1)2The heat conduction and heat transfer coefficient beta of the circuit board body (1)3Is the convection heat transfer coefficient, W, of the circuit board body (1)αIs a preset heat conduction quantity, t, of the heat conduction plate (101) in unit timestThe heating time of the circuit board body (1) is shown, and n is the number of the heat dissipation holes (102);
step three: the controller compares the actual comprehensive heat production quantity of the circuit board body (1) with the preset comprehensive heat production quantity of the circuit board body (1), if the actual comprehensive heat production quantity of the circuit board body (1) is larger than the preset comprehensive heat production quantity of the circuit board body (1), the controller controls the alarm to give an alarm to prompt the heat dissipation device (2) to start working.
10. The composite circuit board with high heat dissipation efficiency as recited in claim 1,
still include circuit board oxidation monitoring system, circuit board oxidation monitoring system is used for monitoring the oxidation degree of circuit board body (1):
the actual oxidation degree of the circuit board body (1):
wherein psiσIs the actual oxidation degree of the circuit board body (1) (+)0The standard oxidation degree of the circuit board body (1), e is a natural number and takes a value of 2.72, Y is a collision factor among material molecules of the circuit board body (1), chi is a preset activation energy in the oxidation process of the circuit board body (1), and T isαThe average working temperature of the circuit board body (1);
the actual oxidation degree of the circuit board body (1) is larger than the standard oxidation degree of the circuit board body (1), and the fact that the working reliability of the circuit board body (1) is reduced and a new circuit board needs to be replaced is proved.
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| CN202110479038.1A CN113225900B (en) | 2021-04-30 | 2021-04-30 | Radiating composite circuit board |
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|---|---|---|---|
| CN202110479038.1A CN113225900B (en) | 2021-04-30 | 2021-04-30 | Radiating composite circuit board |
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| CN113939160A (en) * | 2021-10-25 | 2022-01-14 | 国网山东省电力公司东营市垦利区供电公司 | Heat dissipation and ventilation device for electric device |
| CN115003021A (en) * | 2022-06-13 | 2022-09-02 | 鹤山市众一电路有限公司 | Mixed-compression high-frequency double-layer circuit board with heat insulation structure |
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