CN209994759U - PCBA pull installation formula host computer structure - Google Patents
PCBA pull installation formula host computer structure Download PDFInfo
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- CN209994759U CN209994759U CN201920163941.5U CN201920163941U CN209994759U CN 209994759 U CN209994759 U CN 209994759U CN 201920163941 U CN201920163941 U CN 201920163941U CN 209994759 U CN209994759 U CN 209994759U
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Abstract
The utility model relates to the technical field of machinery. The PCBA drawing installation type host structure comprises a shell and a PCBA assembly provided with a heating chip, wherein the shell comprises an aluminum alloy frame with an opening at the right end and a cover body; the front side and the rear side of the aluminum alloy frame are both provided with two strip-shaped bulges which are arranged up and down, the two strip-shaped bulges are respectively an upper strip-shaped bulge and a lower strip-shaped bulge, and the length direction of the upper strip-shaped bulge is the horizontal direction; the gap between the two strip-shaped bulges is gradually increased from left to right, and the gap between the two strip-shaped bulges is a sliding groove for guiding the PCBA component to slide into the aluminum alloy frame; a heat-conducting rubber pad is fixed on the inner side surface of the top of the aluminum alloy frame, and when the PCBA assembly and the upper strip-shaped bulge are arranged in the aluminum alloy frame in parallel, the heating chip is abutted against the heat-conducting rubber pad; the left surface of lid is equipped with the spacing groove that is used for joint PCBA subassembly. This patent is convenient for generate heat the contact of chip and heat conduction cushion, and then guarantees the heat conduction radiating effect.
Description
Technical Field
The utility model relates to the technical field of machinery, concretely relates to host computer.
Background
Be equipped with PCBA (finished product circuit board) in the host computer, in the use of host computer, often along with thermal emergence, if not in time give off this heat, the chip that generates heat on the PCBA subassembly can continuously heat up, and the host computer will be because of overheated inefficacy. The generation of heat not only means the waste of resources, but also has a great influence on the performance and the service life of the host, and the reliability is reduced.
At present, a relatively efficient chip heat dissipation mode mainly comprises wind cooling and water cooling, but is limited by space and cost, and a controller with low heat productivity generally adopts a heat conduction mode to dissipate heat, namely, the heat of a chip is conducted to a heat dissipation fin of a controller shell through a heat conduction material, and the heat is transferred to the air on the contact surface of the fin and the air. Because PCBA subassembly mounting structure's restriction in the host computer often generates heat and has the clearance between chip and the heat-conducting component, is not convenient for guarantee the radiating effect.
SUMMERY OF THE UTILITY MODEL
Problem to prior art existence, the utility model provides a PCBA pull installation formula host computer structure to solve above-mentioned at least one technical problem.
The technical scheme of the utility model is that: the PCBA drawing installation type host structure comprises a shell and a PCBA assembly provided with a heating chip, and is characterized in that the shell comprises an aluminum alloy frame with a right end opening and a cover body used for sealing the right end opening of the aluminum alloy frame;
the front side and the rear side of the aluminum alloy frame are both provided with two strip-shaped bulges which are arranged up and down, the two strip-shaped bulges are respectively an upper strip-shaped bulge positioned above and a lower strip-shaped bulge positioned below, and the length direction of the upper strip-shaped bulge is the horizontal direction;
the gap between the two strip-shaped bulges is gradually increased from left to right, and the gap between the two strip-shaped bulges is a sliding groove for guiding the PCBA component to slide into the aluminum alloy frame;
a heat-conducting rubber pad is fixed on the inner side surface of the top of the aluminum alloy frame, and when the PCBA assembly and the upper strip-shaped protrusion are arranged in the aluminum alloy frame in parallel, the heating chip is abutted against the heat-conducting rubber pad;
a limiting groove for clamping the PCBA component is formed in the left side of the cover body;
the cover body is detachably connected with the aluminum alloy frame.
This patent is through optimizing the structure of host computer, is convenient for generate heat chip and the contact of heat conduction cushion, and then guarantees the heat conduction radiating effect.
During the installation, at first push away the PCBA subassembly along the spout (with protruding the counterbalance of lower strip), after the left end of PCBA subassembly offsets with aluminum alloy frame's inner wall, lift on the PCBA subassembly right end to and protruding the counterbalance of last strip, make chip and the laminating of heat conduction cushion generate heat, utilize the fixed PCBA subassembly of draw-in groove on the lid at last, can dismantle with the shell through the lid and be connected the back, the installation of host computer has just been accomplished.
Further preferably, the aluminum alloy frame is provided with an inner concave portion, the inner side of the inner concave portion is adhered with the heat-conducting rubber mat, and the outer side of the inner concave portion is provided with the heat-radiating fins.
The radiating effect of the heating chip is convenient to guarantee.
Preferably, the left side surface of the cover body is provided with two extending parts extending leftwards, the extending parts are provided with grooves with openings at three ends of the left end, the front end and the rear end, and the grooves are used as the limiting grooves;
the longitudinal width of the groove matches the thickness of a circuit board of the PCBA assembly.
Facilitating insertion and support of the circuit board of the PCBA assembly.
Further preferably, the cover is made of rubber;
the cover body and the aluminum alloy frame are detachably connected with the clamping groove through mutually matched buckles;
the outer edge of the cover body is provided with a flanging extending leftwards, and the flanging is inserted into the aluminum alloy frame.
The detachable connection of the cover body and the aluminum alloy frame is facilitated.
Preferably, the flanges at the front end and the rear end of the cover body are provided with extending pieces extending leftwards;
the longitudinal width of the extension piece increases from left to right;
when the cover body covers the right end opening of the aluminum alloy frame, the extending piece is inserted into the gap between the two strip-shaped bulges.
Guiding the insertion of the cover.
Further preferably, the upper surface of the extension piece is an upward slope from left to right.
The right end of the PCBA component circuit board is convenient to guide to lift upwards.
Preferably, the PCBA assembly is provided with notches at four corners of the circuit board.
The PCBA component is given movable allowance, and the abrasion of the corner part is avoided.
Further preferably, the longitudinal width of the lower strip-shaped protrusion gradually increases from left to right;
the lower end face of the lower strip-shaped bulge is parallel to the length direction of the upper strip-shaped bulge.
The supporting effect is convenient to guarantee.
Further preferably, the left end and the right end of the aluminum alloy frame are both provided with a lifting lug, and the lifting lugs are provided with mounting holes.
The vertical installation of the host computer of being convenient for realizes that aluminum alloy frame's open end is downward, utilizes water from the characteristic of high toward low current, prevents that moisture from the opening part inflow, guarantees waterproof nature.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is an exploded schematic view of the present invention;
FIG. 3 is a schematic view of a part of the structure of the inner space of the aluminum alloy frame of the present invention;
fig. 4 is a schematic structural view of the cover body of the present invention;
FIG. 5 is a cross-sectional view of the PCBA assembly of the present invention sliding into the chute;
FIG. 6 is a cross-sectional view of the PCBA assembly of the present invention raised at the right end of the chute;
fig. 7 is a cross-sectional view of the present invention.
In the figure: 1 is aluminum alloy frame, 2 is the PCBA subassembly, and 3 are the lid, and 4 are the chip that generates heat, and 5 are heat conduction cushion, and 11 are the upper stripe arch, and 12 are lower stripe arch, and 13 are the spout, and 31 are the spacing groove, and 32 are the extension piece, and 33 are the turn-ups.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 to 7, the PCBA pull-out mounting type host structure includes a housing and a PCBA assembly 2 provided with a heating chip 4, the housing includes an aluminum alloy frame 1 with an opening at the right end and a cover body 3 for sealing the opening at the right end of the aluminum alloy frame 1; two strip-shaped bulges which are vertically arranged are arranged on the front side and the rear side of the aluminum alloy frame 1, the two strip-shaped bulges are an upper strip-shaped bulge 11 which is positioned above and a lower strip-shaped bulge 12 which is positioned below respectively, and the length direction of the upper strip-shaped bulge 11 is the horizontal direction; the gap between the two strip-shaped bulges is gradually increased from left to right, and the gap between the two strip-shaped bulges is a chute 13 for guiding the PCBA component 2 to slide into the aluminum alloy frame 1; a heat-conducting rubber pad 5 is fixed on the inner side surface of the top of the aluminum alloy frame 1, and when the PCBA assembly 2 and the upper strip-shaped protrusion 11 are arranged in the aluminum alloy frame 1 in parallel, the heating chip 4 is abutted against the heat-conducting rubber pad 5; a limiting groove 31 for clamping the PCBA component 2 and horizontally placing the PCBA component is arranged on the left side of the cover body 3; the cover body 3 is detachably connected with the aluminum alloy frame. This patent is through optimizing the structure of host computer, is convenient for generate heat chip 4 and the contact of heat conduction cushion 5, and then guarantees the heat conduction radiating effect.
During the installation, at first push away PCBA subassembly 2 along spout 13 (offset with lower strip arch 12, see fig. 5), after PCBA subassembly 2's left end and aluminum alloy frame 1's inner wall offset, lift PCBA subassembly 2 right-hand member to offset with last strip arch 11 (see fig. 6), make chip 4 and the laminating of heat conduction cushion 5 that generates heat, utilize the fixed PCBA subassembly 2 of draw-in groove on the lid 3 at last, can dismantle with the shell through lid 3 and be connected the back, the installation of host computer has just been accomplished.
The aluminum alloy frame 1 is provided with an inner concave part, a heat-conducting rubber pad 5 is adhered to the inner side of the inner concave part, and the outer side of the inner concave part is provided with a radiating fin. The heat dissipation effect at the position of the heating chip 4 is convenient to ensure. The inside of aluminum alloy frame is equipped with the inside outstanding arch, offers the recess that the opening is decurrent on the arch, and the heat conduction cushion sets up in the recess. The cross section area of the heat-conducting rubber pad is larger than that of the heating chip.
The left side surface of the cover body 3 is provided with two extending parts extending leftwards, the extending parts are provided with grooves with openings at the left end, the front end and the rear end, and the grooves are used as limiting grooves 31; the longitudinal width of the recess matches the thickness of the circuit board of the PCBA assembly 2. Facilitating insertion and support of the circuit board of the PCBA assembly 2.
The cover body 3 is a cover body 3 made of rubber; the cover body 3 and the aluminum alloy frame 1 are detachably connected with the clamping grooves through mutually matched buckles; the outer edge of the cover body 3 is provided with a flanging 33 extending leftwards, and the flanging 33 is inserted in the aluminum alloy frame 1. The detachable connection of the cover body 3 and the aluminum alloy frame 1 is facilitated. The flanges 33 at the front and rear ends of the cover body 3 are provided with extending pieces 32 extending leftwards; the longitudinal width of the extension piece 32 increases from left to right; when the cover body 3 is covered on the right end opening of the aluminum alloy frame 1, the extending piece 32 is inserted in the gap between the two strip-shaped bulges. Guiding the insertion of the cover 3. The upper surface of the extension piece 32 is a slope inclined upward from left to right. Is convenient for guiding the right end of the circuit board of the PCBA component 2 to lift up. Four bights all are equipped with the breach all around the circuit board of PCBA subassembly 2. Giving the PCBA assembly 2 a play margin, avoiding wear of the corners. The right end of the PCBA assembly 2 is provided with a port extending to the right. The cover body is provided with a notch for inserting the port. The cover body is in interference fit with the periphery of the port. The left end, the right end and the upper end of the notch are all open. The support of the notch and the outer wall of the port is convenient to realize. The gap of the cover body and the aluminum alloy frame enclose a channel passing through the socket.
The longitudinal width of the lower strip-shaped bulge 12 gradually increases from left to right; the lower end surface of the lower strip-shaped protrusion 12 is parallel to the length direction of the upper strip-shaped protrusion 11. The supporting effect is convenient to guarantee.
Both ends all are equipped with a lug about aluminum alloy frame 1, have seted up the mounting hole on the lug. The vertical installation of the host computer of being convenient for realizes that aluminum alloy frame 1's open end is downward, utilizes the characteristic of water from high toward low current, prevents that moisture from the opening part inflow, guarantees waterproof nature.
The utility model is suitable for a power on some cars is bigger, needs supplementary shell with heat radiation structure. Such as a navigator host, etc.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
- The PCBA pull-out installation type host structure comprises a shell and a PCBA assembly provided with a heating chip, and is characterized in that the shell comprises an aluminum alloy frame with a right end opening and a cover body used for sealing the right end opening of the aluminum alloy frame;the front side and the rear side of the aluminum alloy frame are both provided with two strip-shaped bulges which are arranged up and down, the two strip-shaped bulges are respectively an upper strip-shaped bulge positioned above and a lower strip-shaped bulge positioned below, and the length direction of the upper strip-shaped bulge is the horizontal direction;the gap between the two strip-shaped bulges is gradually increased from left to right, and the gap between the two strip-shaped bulges is a sliding groove for guiding the PCBA component to slide into the aluminum alloy frame;a heat-conducting rubber pad is fixed on the inner side surface of the top of the aluminum alloy frame, and when the PCBA assembly and the upper strip-shaped protrusion are arranged in the aluminum alloy frame in parallel, the heating chip is abutted against the heat-conducting rubber pad;a limiting groove for clamping the PCBA component is formed in the left side of the cover body;the cover body is detachably connected with the aluminum alloy frame.
- 2. The PCBA pull mount host structure as recited in claim 1, wherein: the aluminum alloy frame is provided with an inner concave part, the inner side of the inner concave part is adhered with the heat-conducting rubber pad, and the outer side of the inner concave part is provided with a radiating fin.
- 3. The PCBA pull mount host structure as recited in claim 1, wherein: the left side surface of the cover body is provided with two extending parts extending leftwards, the extending parts are provided with grooves with openings at the three ends of the left end, the front end and the rear end, and the grooves are used as the limiting grooves;the longitudinal width of the groove matches the thickness of a circuit board of the PCBA assembly.
- 4. The PCBA pull mount host structure as recited in claim 1, wherein: the cover body is made of rubber;the cover body and the aluminum alloy frame are detachably connected with the clamping groove through mutually matched buckles;the outer edge of the cover body is provided with a flanging extending leftwards, and the flanging is inserted into the aluminum alloy frame.
- 5. The PCBA pull mount host structure as recited in claim 4, wherein: the flanges at the front end and the rear end of the cover body are provided with extending pieces extending leftwards;the longitudinal width of the extension piece increases from left to right;when the cover body covers the right end opening of the aluminum alloy frame, the extending piece is inserted into the gap between the two strip-shaped bulges.
- 6. The PCBA pull mount host structure as recited in claim 5, wherein: the upper surface of the extension piece is an upward inclined surface inclined from left to right.
- 7. The PCBA pull mount host structure as recited in claim 1, wherein: four bights all are equipped with the breach all around of PCBA subassembly's circuit board.
- 8. The PCBA pull mount host structure as recited in claim 1, wherein: both ends all are equipped with a lug about aluminum alloy frame, the mounting hole has been seted up on the lug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920163941.5U CN209994759U (en) | 2019-01-30 | 2019-01-30 | PCBA pull installation formula host computer structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920163941.5U CN209994759U (en) | 2019-01-30 | 2019-01-30 | PCBA pull installation formula host computer structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209994759U true CN209994759U (en) | 2020-01-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920163941.5U Active CN209994759U (en) | 2019-01-30 | 2019-01-30 | PCBA pull installation formula host computer structure |
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| Country | Link |
|---|---|
| CN (1) | CN209994759U (en) |
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2019
- 2019-01-30 CN CN201920163941.5U patent/CN209994759U/en active Active
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