CN219266855U - Airtight conduction heat dissipation machine case - Google Patents

Abstract

The utility model discloses a closed conduction heat dissipation case, which belongs to the field of signal processing equipment of electronic equipment, and comprises: the working motherboard is arranged at the middle and rear end of the inside of the case, the clamping plate heat dissipation device is arranged at the front end of the inside of the case and is tightly attached to the working motherboard, the locking device is provided with two clamping plate heat dissipation devices which are arranged at the upper end and the lower end of the clamping plate heat dissipation device in a one-to-one correspondence manner, the air inlet machine is provided with a plurality of air outlet machines which are arranged at the lower end of the working motherboard, and the air outlet machines are provided with a plurality of air outlet machines which are arranged at the upper end of the working motherboard; the locking device is internally provided with a vent, an air inlet channel is formed between the air inlet fan and the locking device, and an air outlet channel is formed between the air outlet fan and the locking device; the air inlet machine conveys cold air to the chassis, and then enters the clamping plate heat dissipation device through the air inlet channel and the ventilation opening to complete heat exchange; the whole device can solve the heat dissipation problem of the large heat consumption of the clamping plate, the generated heat conduction path is compressed to the minimum, and external cold air directly passes through the heat dissipation teeth of the module heat dissipation plate to quickly take away the heat generated by the module chip.

Description

Airtight conduction heat dissipation machine case

Technical Field

The utility model relates to the field of electronic equipment signal processing equipment, in particular to a closed conduction heat dissipation chassis.

Background

At present, electronic equipment is at signal processing equipment machine case for reaching waterproof, dustproof, prevent salt fog, damp and heat prevention and electromagnetic shield effect, often the machine case inner chamber designs into airtight structure, main operating equipment and device are arranged and are installed at the airtight inner chamber of machine case and form each module, the inside chip during operation of these operating module can produce a large amount of heat, these heat transfer to the heat-conducting plate of module, afterwards on the heat dissipation tooth of curb plate about being transferred to by the heat-conducting plate, take away the heat on the curb plate heat dissipation tooth by forced air cooling again, the heat conduction heat dissipation route that the chip on the data processing circuit produced is longer, will not in time take away the heat conduction when meetting the module of great heat consumption.

Meanwhile, heat is mainly transferred to the heat conducting plate by the chip heat dissipation on the data processing circuit in the current electronic equipment airtight chassis, then transferred to the heat dissipation teeth of the upper side plate and the lower side plate by the heat conducting plate, and then the heat on the heat dissipation teeth of the side plates is taken away by forced air cooling, so that the heat conduction and heat dissipation path generated by the chip on the data processing circuit is longer, and the data processing circuit encountering larger heat power consumption cannot conduct heat in time.

Therefore, aiming at the problems existing in the existing heat dissipation of electronic equipment, there is a need for a closed conduction heat dissipation case, which can solve the heat dissipation problem of modules with larger heat dissipation, compress the heat conduction path generated by the chips inside each module to the minimum, and enable the external cold air to directly pass through the heat dissipation teeth of the module heat dissipation plate, so as to rapidly take away the heat generated by the module chips, and ensure the tightness and electromagnetic compatibility of the whole case.

Disclosure of Invention

In order to achieve the above object, the present utility model aims to provide a new technical solution: high efficiency, labor saving and safety.

The technical scheme for solving the technical problems is as follows:

a hermetically sealed conductive heat dissipating chassis comprising:

the device comprises a case, a clamping plate heat dissipation device, a working motherboard, a locking device, an upper cover plate, a lower cover plate, a front cover plate, a blower inlet, a blower outlet and a rear cover plate;

the machine case is communicated up and down and front and back, the working mother board is arranged at the middle rear end of the interior of the machine case, the clamping plate heat dissipation device is arranged at the front end of the interior of the machine case and is tightly attached to the working mother board, the locking device is provided with two clamping plate heat dissipation devices which are arranged at the upper end and the lower end of the machine case in a one-to-one correspondence manner, the air inlets are arranged at the lower end of the working mother board in a plurality of side-by-side manner at intervals, the air outlets are arranged at the upper end of the working mother board in a plurality of side-by-side manner at intervals, the upper cover plate and the lower cover plate are arranged at the upper end and the lower end of the machine case in a one-to-one correspondence manner and cover the upper end and the lower end of the machine case, the front cover plate is arranged at the front end of the machine case and the rear cover plate is arranged at the rear end of the machine case and is positioned at the middle of the air inlets and the air outlets;

the locking device is internally provided with a vent, an air inlet channel is formed between the air inlet machine and the locking device, and an air outlet channel is formed between the air outlet machine and the locking device.

The beneficial effects of the utility model are as follows: the work motherboard can produce a large amount of heat when working, and conduct to cardboard heat abstractor, and the air inlet machine of quick-witted case lower extreme is whole heat dissipation machine case and is carried cold wind this moment, and the cooling and heating exchange is accomplished to entering into cardboard heat abstractor through the vent of air inlet passageway and locking device, and hot-blast transport to the air-out passageway in the locking device vent of upper end, finally sends through the air-out machine. The clamping plate heat dissipation device is mainly used for carrying out heat exchange with a working motherboard and carrying out heat exchange cooling with external cold air, the locking device is used for clamping and fastening the clamping plate heat dissipation device, the stability of an internal structure is ensured, a plurality of air inlets and air outlets can be realized, larger air quantity entering and outputting can be realized, the ventilation opening of the locking device, the air inlet channel and the air outlet channel are shortened, the heat conduction heat dissipation path can achieve the effect of rapid heat dissipation, and the upper cover plate, the lower cover plate, the front cover plate and the rear cover plate can play a certain protection role on the whole device; the whole device can solve the heat dissipation problem of the large heat consumption of the clamping plate, the heat conduction paths generated by the chips inside each module are compressed to the minimum, and external cold air directly passes through the heat dissipation teeth of the module heat dissipation plate to quickly take away the heat generated by the module chips.

Based on the technical scheme, the utility model can also be improved as follows:

further, cardboard heat abstractor is formed by the vertical even interval connection of a plurality of heat radiation structure, heat radiation structure includes heating panel, work circuit board, first shrouding, second shrouding and pull out the ware, heating panel internally mounted has a plurality of forced air cooling heat dissipation teeth, the heating panel with work circuit board interconnect, first shrouding is installed the outside of heating panel, the second shrouding is installed the outside of work circuit board, the pull out the ware has two, two the pull out the ware corresponds respectively and installs the both ends of heating panel.

The beneficial effects of adopting the further scheme are as follows: the cardboard heat abstractor that a plurality of heat radiation structure vertical even interval connect to constitute, every heat radiation structure all can dispel the heat, and even interval distribution can improve aeration cooling efficiency, wherein, heating panel internally mounted has a plurality of forced air cooling heat dissipation tooth to be main heat conversion part, work circuit board is the work structure in the equipment, when first shrouding and second shrouding ensure cold wind and pour into, all concentrate on the heating panel, improve radiating efficiency, the puller is the pull-type hasp for joint heating panel and locking device, ensure the stability of internal equipment.

Further, an insulating layer is further arranged between the first sealing plate and the heat dissipation plate, and an insulating layer is also arranged between the second sealing plate and the working circuit board.

The beneficial effects of adopting the further scheme are as follows: the insulating board has insulativity, and can enable the insulated metal back cover plate to be in direct contact with the data processing circuit.

Further, locking device is formed by a plurality of locking structures mutual even interval connection, locking structure includes locking frame, wedge latch bar, spring and guide slot, and is a plurality of the locking frame is installed inside upper end and the lower extreme of quick-witted case, the guide slot passes through the spring with the locking frame links to each other, be equipped with the ventilation hole in the middle of the guide slot, just the inside vent that link up that is equipped with of locking frame, the wedge latch bar is installed guide slot upper end both sides, and be located the guide slot with between the locking frame, the heating panel both ends are passed through the extractor with two the guide slot joint, just the heating panel with still install conductive rubber rope between the guide slot and carry out zonulae occludens.

The beneficial effects of adopting the further scheme are as follows: the utility model discloses a heat radiation plate, including a plurality of locking frame, the inside upper end and the lower extreme at the quick-witted case are installed to a plurality of locking frames, the guide slot is connected through spring and locking frame again, the guide slot can nest joint with the heating panel upper and lower both ends face of vertical installation, fix and maintain and replace the heating panel through adjusting the guide slot convenience, and be equipped with the ventilation hole in the middle of the guide slot again, and the inside wind channel that link up that is equipped with of locking frame, and then wind that the inlet fan was input passes through wind channel and ventilation hole reentrant heat transfer in the heating panel, the hot-blast roll-off is accomplished to the rethread ventilation hole and wind channel, the wedge locking strip can adjust the distance between locking frame and the guide slot, because the locking frame is fixed, consequently, the guide slot is through adjusting its position height, and then can realize the chucking and the release to the heating panel, still through round conductive rubber rope inseparable joint between heating panel and the guide slot, electromagnetic compatibility through the conductive rubber rope has, can be guaranteed to the quick-witted case, electromagnetic compatibility of machine case is improved.

Further, the wedge locking strip comprises a screw rod, a fixed wedge block, a horizontal moving wedge block and a vertical moving wedge block, wherein the fixed wedge block is arranged in the middle of the side edge of the upper end of the guide groove, two horizontal moving wedge blocks are respectively and correspondingly arranged on two sides of the fixed wedge block in a sliding mode, two vertical moving wedge blocks are respectively positioned between the fixed wedge block and the horizontal moving wedge block, a through hole is formed in the middle of the horizontal moving wedge block and is nested on the screw rod, a vertical through groove is formed in the middle of the vertical moving wedge block, the screw rod is sleeved on the screw rod in a sliding mode through the vertical through groove, the tail end of the screw rod is connected with the fixed wedge block in a threaded mode through rotation, the horizontal moving wedge block approaches to or is far away from the fixed wedge block, and the vertical moving wedge block is pressed to ascend or descend so as to enlarge or reduce the distance between the guide groove and the locking frame.

The beneficial effects of adopting the further scheme are as follows: the fixed wedge is fixed in the centre of guide slot upper end side, through rotatory screw rod, and then can promote the horizontal migration wedge to be close to or keep away from towards the fixed wedge, simultaneously because vertical migration wedge is located between horizontal migration wedge and the fixed wedge, and then when the vertical migration wedge and the shortening of the interval between the fixed wedge, then vertical migration wedge is by the extrusion upward movement, further enlarged the distance between regulation locking frame and the guide slot, thereby the heating panel has been blocked, otherwise when the distance is long, then vertical migration wedge is by relaxing down motion, the distance between regulation locking frame and the guide slot diminishes, the heating panel is not being chucking promptly, the maintenance or the replacement conveniently take out.

Further, the fixed wedge block is in an isosceles trapezoid shape, the short side faces upwards, the long side faces downwards, the horizontal moving wedge block is in a trapezoid shape, the vertical moving wedge block is in an isosceles trapezoid shape, the short side faces downwards, and the long side faces upwards.

The beneficial effects of adopting the further scheme are as follows: the vertical movable wedge block is in an isosceles trapezoid shape, the fixed wedge block is in an isosceles trapezoid shape and the horizontal movable wedge block is in a trapezoid shape, and as the short side of the vertical movable wedge block faces downwards and the long side faces upwards, under the condition that the rotating screw drives the horizontal movable wedge to extrude, the two waist sides of the vertical movable wedge block are extruded and can move upwards under the action of an inclined plane, otherwise, the vertical movable wedge block does not bear extrusion and moves downwards by means of self gravity, and then distance adjustment between the locking frame and the guide groove is completed.

Further, the upper cover plate and the lower cover plate are also provided with conductive rubber ropes for fastening connection at the joints of the upper end and the lower end of the case, conductive rubber ropes for fastening connection are also arranged between the front cover plate and the joint of the front end of the case, and conductive rubber ropes for fastening connection are also arranged between the rear cover plate and the joint of the rear end of the case.

The beneficial effects of adopting the further scheme are as follows: the conductive rubber rope has elasticity and conductivity, so that on one hand, the connection of each cover plate can be fastened to improve the tightness of the chassis, and on the other hand, the electromagnetic compatibility of the chassis can be improved.

Further, handles are correspondingly arranged on two sides of the front end of the case respectively, and two corresponding handles are arranged on the rear side of the upper end of the case respectively.

The beneficial effects of adopting the further scheme are as follows: the handle and the lifting handle facilitate the lifting or transferring of the whole device case.

Further, filter screens are further arranged on the outer sides of the air inlet fan and the air outlet fan.

The beneficial effects of adopting the further scheme are as follows: the filter screen is used for filtering the particulate matters of air, and the working environment of the internal equipment is protected from being deteriorated.

Further, the working mother board is of a closed structure.

The beneficial effects of adopting the further scheme are as follows: the working mother board is of a closed structure, so that the waterproof, dustproof, salt fog-proof, damp-heat-proof and electromagnetic shielding effects during working can be ensured.

Drawings

FIG. 1 is an exploded view of the present utility model;

FIG. 2 is a schematic side view in cross-section of the present utility model;

FIG. 3 is a schematic view of the internal structure of the present utility model;

FIG. 4 is a schematic diagram of a heat dissipating plate according to the present utility model;

fig. 5 is a schematic structural view of a heat dissipating plate locking device according to the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. a chassis; 11. an air inlet channel; 12. an air outlet channel; 13. a handle; 14. a handle; 2. a clamping plate heat dissipation device; 21. a heat dissipation plate; 22. a working circuit board; 23. a first sealing plate; 24. a second sealing plate; 25. a puller; 3. a work mother board; 4. a locking device; 41. a locking frame; 42. wedge-shaped locking bars; 421. a screw; 422. a fixed wedge; 423. horizontally moving the wedge block; 424. vertically moving the wedge; 43. a spring; 44. a guide groove; 5. an upper cover plate and a lower cover plate; 6. a front cover plate; 7. a wind inlet machine; 8. a blower fan; 9. and a rear cover plate.

Detailed Description

The present utility model will be further described in detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, and the present utility model is not limited to the scope of the present utility model.

Example 1: as shown in fig. 1-2, an embodiment of a closed conductive heat dissipation chassis disclosed in the present utility model includes:

the machine case 1, the clamping plate heat dissipation device 2, the working motherboard 3, the locking device 4, the upper cover plate 5, the lower cover plate 5, the front cover plate 6, the air inlet machine 7, the air outlet machine 8 and the rear cover plate 9;

the machine case 1 is communicated up and down and front and back, the work mother board 3 is arranged at the middle rear end of the interior of the machine case 1, the clamping plate heat dissipation device 2 is arranged at the front end of the interior of the machine case 1 and is tightly attached to the work mother board 3, the locking device 4 is provided with two clamping plates which are arranged at the upper end and the lower end of the clamping plate heat dissipation device 2 in a one-to-one correspondence manner, the air inlets 7 are provided with a plurality of air inlets 7, the air outlets 8 are uniformly arranged at the lower end of the work mother board 3 side by side at intervals, the air outlets 8 are uniformly arranged at the upper end of the work mother board 3 side by side at intervals, the upper cover plate 5 and the lower cover plate 5 are arranged at the upper end and the lower end of the machine case 1 in a one-to-one correspondence manner and cover the upper end and the lower end of the machine case 1, the front cover plate 6 is arranged at the front end of the machine case 1 and covers the front end of the machine case 1, and the rear cover plate 9 is arranged at the rear end of the machine case 1 and is positioned at the middle of the air inlets 7 and the air outlets 8;

the locking device 4 is internally provided with a vent, an air inlet channel 11 is formed between the air inlet fan 7 and the locking device 4, and an air outlet channel 12 is formed between the air outlet fan 8 and the locking device 4.

Specifically, work mother board 3 installs the inside rear end at machine case 1, cardboard heat abstractor 2 installs the inside front end at machine case 1, and hug closely work mother board 3 installation, make things convenient for cardboard heat abstractor 2 conduction and discharge heat, locking device 4 is used for locking the upper and lower both ends of cardboard heat abstractor 2 tightly, upper and lower apron 5, preceding apron 6 and back shroud 9 are used for providing the sealed environment of multiple directions for whole machine case, the circulation of air in the device of being convenient for does not escape, air inlet fan 7 carries external cold wind for whole machine case 1, carry cold wind for cardboard heat abstractor 2 through air inlet channel 11 and vent, after the heat exchange of cardboard heat abstractor 2 again, through vent and air-out channel 12 on locking device 4 of upper end, export under the reinforcement effect of air-out fan 8, accomplish the heat exchange of device.

It should be understood that when the working motherboard 3 works, a great amount of heat is generated and is conducted into the closely abutted clamping plate heat dissipation device 2, the air inlet machine 7 and the air outlet machine 8 realize the circulation of internal air and complete the heat exchange of the clamping plate heat dissipation device 2, the ventilation opening of the locking device 4, the air inlet channel 11 and the air outlet channel 12 shorten the heat conduction heat dissipation path, the effect of rapid heat dissipation can be achieved, and the upper cover plate 5, the lower cover plate 6 and the rear cover plate 9 can play a certain role in protecting the whole device; the whole device can solve the heat dissipation problem of larger heat consumption, compresses the heat conduction path generated by the inner chip of each module to the minimum, and leads the external cold air to directly pass through the heat dissipation teeth of the module heat dissipation plate so as to quickly take away the heat generated by the module chip.

Preferably, the rotation direction of the air inlet machine 7 and the air outlet machine 8 can be replaced, so that the direction of the air inlet and outlet is changed, small-scale dust removal can be completed on the internal device by changing the wind direction, and meanwhile, the opening and closing of the air inlet machine 7 and the air outlet machine 8 can be regulated and controlled in real time according to the quantity of heat.

Preferably, the chassis 1 is formed by processing a lightweight aluminum alloy.

Preferably, the inner heat dissipation material of the card heat dissipation device 2 is a temperature equalization plate or 6063-T6.

Preferably, the air circulation within the device does not pass through the working motherboard 3.

Preferably, the socket is plugged and installed between the clamping plate heat dissipation device 2 and the working master plate 3, so that rapid heat exchange can be achieved.

Example 2, based on example 1: as shown in fig. 3-4, the card board heat dissipation device 2 is formed by vertically and uniformly connecting a plurality of heat dissipation structures at intervals, each heat dissipation structure comprises a heat dissipation plate 21, a working circuit board 22, a first sealing plate 23, a second sealing plate 24 and a pulling device 25, a plurality of air-cooled heat dissipation teeth are arranged in the heat dissipation plate 21, the heat dissipation plate 21 and the working circuit board 22 are connected with each other, the first sealing plate 23 is arranged on the outer side of the heat dissipation plate 21, the second sealing plate 24 is arranged on the outer side of the working circuit board 22, two pulling devices 25 are arranged on the outer side of the working circuit board 22, and the two pulling devices 25 are respectively correspondingly arranged at two ends of the heat dissipation plate 21.

It should be understood that the plurality of heat dissipation structures are vertically and uniformly connected at intervals to form the card board heat dissipation device 2, wherein a plurality of air-cooled heat dissipation teeth are arranged in the heat dissipation plate 21 as main heat exchange sites, the heat dissipation plate 21 and the working circuit board 22 are connected with each other, on one hand, the heat dissipation is performed for the working circuit board 22, on the other hand, the heat dissipation is performed for the working motherboard 3, the first sealing plate 23 and the second sealing plate 24 are arranged on two outer sides of the heat dissipation plate 21 and the second sealing plate 24, the cold air is ensured to enter the middle of a cavity formed by the first sealing plate 23 and the second sealing plate 24, more cold air is provided for the heat dissipation plate 21 for heat exchange, and the puller 25 has two functions for assisting in inserting and pulling up the module.

Preferably, the puller 25 is a pull-type latch for clamping the heat dissipating plate 21 and the locking device 4.

Preferably, the heat dissipation plate 21, the first sealing plate 23 and the second sealing plate 24 are made of aluminum alloy materials, and the surfaces of the aluminum alloy materials are coated with conductive oxide materials.

Example 3, based on example 2: as shown in fig. 4, an insulating layer is further installed between the first sealing plate 23 and the heat dissipation plate 21, and an insulating layer is also installed between the second sealing plate 24 and the working circuit board 22.

It should be appreciated that the insulating plate has insulating properties, enabling the insulating metal back cover plate to be in direct contact with the data processing circuitry, avoiding affecting the operation of the internal electronic components.

Example 4, based on example 2: as shown in fig. 1, 3 and 5, the locking device 4 is formed by uniformly and alternately connecting a plurality of locking structures, each locking structure comprises a locking frame 41, a wedge-shaped locking bar 42, a spring 43 and a guide groove 44, the plurality of locking frames 41 are installed at the upper end and the lower end of the interior of the chassis 1, the guide groove 44 is connected with the locking frame 41 through the spring 43, a vent hole is formed in the middle of the guide groove 44, a through vent hole is formed in the locking frame 41, the wedge-shaped locking bar 42 is installed at two sides of the upper end of the guide groove 44 and is located between the guide groove 44 and the locking frame 41, two ends of the heat dissipation plate 21 are clamped with the two guide grooves 44 through the puller 25, and a conductive rubber rope is further installed between the heat dissipation plate 21 and the guide groove 44 for tight connection.

Specifically, a plurality of locking structures are connected at equal intervals to form a locking device 4, and the locking structures are connected with the heat dissipation structures in a one-to-one correspondence manner; wherein a plurality of locking frames 41 are installed at the inside upper end and the lower extreme of quick-witted case 1, and guide slot 44 passes through spring 43 and locking frame 41 links to each other, spring 43 is that guide slot 44 and locking frame 41 keep elastic connection, and spring 43 in guide slot 44 and the locking frame 41 are compressed state, wedge locking strip 42 is used for adjusting the distance between guide slot 44 and the locking frame 41, and then realize further tight or keeping away from between two guide slots 44 of upper and lower extreme and the heating panel 21, be the joint between the notch of guide slot 44 and the heating panel 21, simultaneously the heating panel 21 both ends pass through the further joint of puller 25 and two guide slots 44, and the junction still carries out further connection through round conductive rubber rope.

It should be understood that the wedge-shaped locking bar 42 can adjust the distance between the locking frame 41 and the guiding groove 44, and since the locking frame 41 is fixed, the guiding groove 44 can be adjusted to clamp and release the heat dissipation plate 21, and the conductive rubber rope has conductive performance, so that electromagnetic compatibility of the chassis can be ensured, and electromagnetic compatibility of the chassis can be improved.

Preferably, the spring 43 is a compression spring column.

Preferably, the puller 25 is a pull-type latch that is pulled to both sides to open the engagement with the guide channel 44.

Example 5, based on example 4: as shown in fig. 5, the wedge locking bar 42 includes a screw 421, a fixed wedge 422, a horizontal moving wedge 423 and a vertical moving wedge 424, the fixed wedge 422 is installed in the middle of the upper end side of the guide slot 44, two horizontal moving wedges 423 are respectively and correspondingly slidably installed at two sides of the fixed wedge 422, two vertical moving wedges 424 are respectively located between the fixed wedge 422 and the horizontal moving wedge 423, a through hole is formed in the middle of the horizontal moving wedge 423 and nested on the screw 421, a vertical through slot is formed in the middle of the vertical moving wedge 424, and the vertical through slot is slidably sleeved on the screw 421, the tail end of the screw 421 is in threaded connection with the fixed wedge 422, and the horizontal moving wedge 423 approaches or moves away from the fixed wedge 422 by rotating the screw 421, so that the vertical moving wedge 424 is pressed up or down, and the distance between the guide slot 44 and the locking frame 41 is further enlarged or reduced.

It should be understood that the fixed wedge 422 is fixed in the middle of the upper end side of the guide slot 44, and by rotating the screw 421, the horizontal moving wedge 423 can be pushed to approach or separate from the fixed wedge 422, meanwhile, since the vertical moving wedge 424 is located between the horizontal moving wedge 423 and the fixed wedge 422, and when the distance between the horizontal moving wedge 423 and the fixed wedge 422 is shortened, the vertical moving wedge 424 is pressed to move upwards, further expanding the distance between the adjusting locking frame 41 and the guide slot 44, thereby clamping the heat dissipation plate 21, and conversely, when the distance is longer, the vertical moving wedge 424 is released to move downwards, the distance between the adjusting locking frame 41 and the guide slot 44 is smaller, the heat dissipation plate 21 is not clamped, and the maintenance or replacement is convenient.

Preferably, the port of the screw 421 can be provided with a concave opening with a shape like a Chinese character 'yi', a Chinese character 'ji', or a Chinese character 'xiong', which is convenient for using a wrench or a screwdriver to complete rotation.

Example 6, based on example 5: as shown in fig. 5, the fixed wedge 422 has an isosceles trapezoid shape with the short side facing up and the long side facing down, the horizontal moving wedge 423 has a trapezoid shape, and the vertical moving wedge 424 has an isosceles trapezoid shape with the short side facing down and the long side facing up.

It should be appreciated that the inclined edge of the isosceles trapezoid shape of the vertically moving wedge 424 moves to the long place of the bottom edge after being stressed, and then abuts against the locking frame 41, so that the distance between the locking frame 41 and the guide groove 44 is enlarged, whereas when the vertical moving wedge 424 is not stressed, the vertically moving wedge 424 falls back under gravity, so that the distance between the locking frame 41 and the guide groove 44 is reduced, and the height position of the guide groove 44 further influences the clamping relation with the clamping plate heat dissipating device 2.

Preferably, the vertical moving wedge 424 is slidably connected to the fixed wedge 422 and the horizontal moving wedge 423 with other inclined surfaces.

Example 7, based on example 1: as shown in fig. 1, the connection parts of the upper and lower cover plates 5 and the upper and lower ends of the chassis 1 are also provided with conductive rubber ropes for fastening connection, the connection parts of the front cover plate 6 and the front end of the chassis 1 are also provided with conductive rubber ropes for fastening connection, and the connection parts of the rear cover plate 9 and the rear end of the chassis 1 are also provided with conductive rubber ropes for fastening connection.

It should be understood that the connection of the lower cover plate 5 and the upper and lower ends of the chassis 1 can be fastened by a conductive rubber rope which is wound around the circumference of the lower cover plate to improve the tightness of the chassis, and on the other hand, the electromagnetic compatibility of the chassis 1 can be improved.

Example 8, based on example 1: as shown in fig. 1, the front end two sides of the chassis 1 are respectively provided with a handle 13 correspondingly, and the rear end of the upper end of the chassis 1 is also provided with two corresponding handles 14 respectively.

It will be appreciated that the handle 13 and grip 14 facilitate lifting of the entire device.

Example 9, based on example 1: as shown in fig. 1-2, the outside of the air inlet machine 7 and the air outlet machine 8 is also provided with a filter screen.

It should be appreciated that the filter screen is used to filter particulate matter in the air, protecting the working environment within the cabinet 1.

Example 10, based on example 1: as shown in fig. 1-3, the work motherboard 3 is a closed structure.

It should be understood that the working motherboard 3 has a closed structure, so that the waterproof, dustproof, salt fog proof, damp heat proof and electromagnetic shielding effects can be ensured during working.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims (10)

1. A hermetically sealed conductive heat dissipating chassis comprising:

the machine box comprises a machine box (1), a clamping plate heat dissipation device (2), a working motherboard (3), a locking device (4), an upper cover plate and a lower cover plate (5), a front cover plate (6), an air inlet machine (7), an air outlet machine (8) and a rear cover plate (9);

the machine case (1) is communicated up and down and front and back, the working mother board (3) is arranged at the middle rear end in the interior of the machine case (1), the clamping plate heat dissipation device (2) is arranged at the front end in the interior of the machine case (1) and is tightly attached to the working mother board (3), the locking device (4) is provided with two clamping plate heat dissipation devices (2) which are arranged at the upper end and the lower end in a one-to-one correspondence manner, the air inlet machines (7) are arranged at the lower end of the working mother board (3) at intervals uniformly and side by side, the air outlet machines (8) are arranged at the upper end of the working mother board (3) at intervals uniformly and side by side, the upper cover plate (5) and the lower cover plate (5) are arranged at the upper end and the lower end of the machine case (1) in a one-to-one correspondence manner, the front cover plate (6) is arranged at the front end of the machine case (1) and covers the front end of the machine case (1), the air outlet machines (7) are arranged at the rear end (9) of the machine case (1) and the air outlet machines (8) are arranged at the middle rear end (8);

the locking device (4) is internally provided with a vent, an air inlet channel (11) is formed between the air inlet machine (7) and the locking device (4), and an air outlet channel (12) is formed between the air outlet machine (8) and the locking device (4).

2. The sealed conduction heat dissipation chassis according to claim 1, wherein the clamping plate heat dissipation device (2) is formed by vertically and uniformly connecting a plurality of heat dissipation structures at intervals, the heat dissipation structures comprise a heat dissipation plate (21), a working circuit board (22), a first sealing plate (23), a second sealing plate (24) and a pulling device (25), a plurality of air cooling heat dissipation teeth are arranged in the heat dissipation plate (21), the heat dissipation plate (21) and the working circuit board (22) are mutually connected, the first sealing plate (23) is arranged on the outer side of the heat dissipation plate (21), the second sealing plate (24) is arranged on the outer side of the working circuit board (22), and the pulling device (25) is arranged in two, and the two pulling devices (25) are respectively arranged at two ends of the heat dissipation plate (21) correspondingly.

3. The sealed conduction heat dissipation chassis according to claim 2, wherein an insulating layer is further installed between the first sealing plate (23) and the heat dissipation plate (21), and an insulating layer is also installed between the second sealing plate (24) and the working circuit board (22).

4. The airtight conduction heat dissipation case according to claim 2, wherein the locking device (4) is formed by connecting a plurality of locking structures at equal intervals, the locking structures comprise locking frames (41), wedge-shaped locking bars (42), springs (43) and guide grooves (44), the locking frames (41) are installed at the upper end and the lower end of the inside of the case (1), the guide grooves (44) are connected with the locking frames (41) through the springs (43), ventilation holes are formed in the middle of the guide grooves (44), ventilation holes are formed in the locking frames (41), the wedge-shaped locking bars (42) are installed at two sides of the upper end of the guide grooves (44) and are located between the guide grooves (44) and the locking frames (41), two ends of the heat dissipation plate (21) are clamped with the two guide grooves (44) through the extractors (25), and conductive rubber ropes are further installed between the heat dissipation plate (21) and the guide grooves (44) to be tightly connected.

5. The airtight conduction heat dissipation chassis according to claim 4, wherein the wedge locking bar (42) comprises a screw (421), a fixed wedge (422), a horizontal movement wedge (423) and a vertical movement wedge (424), the fixed wedge (422) is installed in the middle of the upper end side edge of the guide groove (44), two horizontal movement wedges (423) are installed on two sides of the fixed wedge (422) in a sliding manner respectively, two vertical movement wedges (424) are located in the middle of the fixed wedge (422) and the horizontal movement wedge (423) respectively, a through hole is formed in the middle of the horizontal movement wedge (423) and is nested on the screw (421), a vertical through groove is formed in the middle of the vertical movement wedge (424), the screw (421) is sleeved on the screw (421) in a sliding manner through the vertical through groove, the tail end of the screw (421) is connected in the fixed wedge (422) in a threaded manner, and the horizontal movement wedge (423) is pressed towards the fixed wedge (422) or away from the guide groove (422), and the distance between the vertical movement wedges (424) and the sliding frame (41) is further reduced or further.

6. The sealed conductive heat dissipating chassis of claim 5, wherein the fixed wedge (422) is isosceles trapezoid shaped with the short side facing up and the long side facing down, the horizontal moving wedge (423) is trapezoid shaped, and the vertical moving wedge (424) is isosceles trapezoid shaped with the short side facing down and the long side facing up.

7. The airtight conduction heat dissipation chassis according to claim 1, wherein the connection parts of the upper cover plate (5) and the lower cover plate (1) are further provided with conductive rubber ropes for fastening connection, the connection parts of the front cover plate (6) and the front end of the chassis (1) are also provided with conductive rubber ropes for fastening connection, and the connection parts of the rear cover plate (9) and the rear end of the chassis (1) are also provided with conductive rubber ropes for fastening connection.

8. The sealed conduction heat dissipation chassis according to claim 1, wherein two sides of the front end of the chassis (1) are respectively provided with a handle (13), and two corresponding handles (14) are respectively arranged at the rear side of the upper end of the chassis (1).

9. The sealed conduction heat dissipation chassis according to claim 1, wherein a filter screen is further installed on the outer sides of the air inlet machine (7) and the air outlet machine (8).

10. The sealed conductive heat dissipating chassis according to claim 1, wherein the working motherboard (3) is a sealed structure.

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