CN211014981U - Circuit board mounting rack and interactive projector with same - Google Patents
Circuit board mounting rack and interactive projector with same Download PDFInfo
- Publication number
- CN211014981U CN211014981U CN201921531098.8U CN201921531098U CN211014981U CN 211014981 U CN211014981 U CN 211014981U CN 201921531098 U CN201921531098 U CN 201921531098U CN 211014981 U CN211014981 U CN 211014981U
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- circuit board
- protection part
- board mounting
- heat dissipation
- air
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Abstract
The utility model provides a circuit board mounting bracket and have interactive projecting apparatus of this circuit board mounting bracket, treater mount includes: a fixing frame main body; the processor is arranged on the supporting structure, and the supporting structure supports the processor to be suspended away from the surface of the fixing frame main body; the bottom of the fixing frame main body is provided with a first heat dissipation hole, and the first heat dissipation hole flows through the lower surface of the processor to form a first heat dissipation channel. Through providing a treater mount for interactive projector, solve the projecting apparatus treater among the prior art when operating condition, the heat can't in time be discharged, the treater takes place the technical problem of damage easily.
Description
Technical Field
The utility model relates to a projection equipment technical field, concretely relates to circuit board mounting bracket and have interactive projecting apparatus of this circuit board mounting bracket.
Background
The circuit board mounting rack is used for fixing the circuit board, and the heat of the circuit board is high and easy to damage, so that the heat dissipation capacity of the circuit board mounting rack and the protection effect of the circuit board are important indexes for measuring the quality of the circuit board mounting rack. For example, the heat dissipation requirement of the circuit board in the interactive projector is very high, and the miniaturization of the device is also required due to the large number of parts inside the interactive projector. Therefore, the interactive projector is required to have an excellent heat dissipation capability of the circuit board mounting frame and a capability of protecting the circuit board.
At present, one form of the circuit board mounting rack in the prior art is a design that the circuit board is completely exposed, and the mounting rack cannot effectively protect the circuit board. The other type is that the heat dissipation small holes are densely distributed in the sealed shell, but the heat dissipation effect of the heat dissipation small holes is poor, heat dissipated by the circuit board cannot be directly and effectively discharged, and the heat accumulated on the upper surface and the lower surface of the circuit board is easy to dissipate, so that the normal work of the circuit board is seriously influenced.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in the projecting apparatus treater among the prior art when operating condition, the heat can't in time be discharged, the technical problem of treater easy emergence damage. Therefore, the utility model provides a circuit board mounting bracket, include:
the fixing base plate is provided with air holes close to the circuit board;
a protective member, comprising: the first protection part is arranged opposite to the upper surface of the circuit board, and a blowing mechanism blowing air towards the upper surface of the circuit board is arranged on the first protection part; and cold air blown out by the blowing mechanism flows through the upper surface of the circuit board and is discharged from the air holes. The upper surface of the circuit board is provided with an electric element, and the lower surface of the circuit board is a back plate of the circuit board.
The fixed bottom plate is provided with a supporting piece which is connected with the circuit board so as to support the circuit board to be far away from the fixed bottom plate; the air holes are formed in the lower portion of the circuit board and opposite to the lower surface of the circuit board.
The protector further includes: and a second protection part arranged at the side position of the circuit board.
One end of the second protection part is connected with the fixed bottom plate, the other end of the second protection part is connected with the second protection part, and the second protection part and the first protection part form an L-shaped plate structure.
The first protection portion and the second protection portion are integrally formed, and the protection member is formed by bending.
The first protection portion and/or the first protection portion are/is provided with heat dissipation holes for cold air to pass through.
The protector is L-shaped plate-shaped structure, and the heat dissipation holes are strip-shaped through holes extending along the length direction of the protector.
The air holes are matched with the circuit board in shape; the supporting pieces are multiple and arranged at the edge of the outer contour of the air hole.
The blowing mechanism is detachably arranged on one side of the first protection part facing the circuit board.
One side of the first protection portion, which is far away from the circuit board, is provided with a fixing nut, and the blowing mechanism is fixed on the first protection portion through a threaded connecting piece inserted into the fixing nut.
An interactive projection device, comprising:
a circuit board mounting bracket; and the number of the first and second groups,
an outer case;
a projector for projecting an image to the interactive area;
the image acquisition instrument is used for scanning the projection image in the interaction area and the movement of the participant in the interaction area and sending the projection image and the movement to the processor;
the processor is installed on the circuit board mounting rack, and the circuit board is connected with the projector and the image acquisition instrument respectively.
The utility model discloses technical scheme has following advantage:
1. the utility model provides a circuit board mounting bracket, include: the fixing base plate is provided with air holes close to the circuit board; a protective member, comprising: the first protection part is arranged opposite to the upper surface of the circuit board, and a blowing mechanism blowing air towards the upper surface of the circuit board is arranged on the first protection part; and cold air blown out by the blowing mechanism flows through the upper surface of the circuit board and is discharged from the air holes. The first protection portion can effectively protect the electric elements on the upper surface of the circuit board and prevent the circuit board from falling. And, through setting up the bleeder vent in the position that is close to above-mentioned circuit board to set up the blow mechanism on the first protection portion that is used for protecting the circuit board. Thereby can make the mechanism of blowing the cold air that blows off towards the electric elements of circuit board upper surface, earlier discharge through the bleeder vent of the position that the rethread is close to the circuit board behind the circuit board upper surface, thereby the cold air drainage that the mechanism of blowing blew off of venthole forms the heat dissipation channel who is close to the circuit board, and simultaneously, above-mentioned bleeder vent can guarantee simultaneously to discharge rapidly through the air that the circuit board heaies up, avoids the poor problem of circuit board mounting bracket cooling effect. Through the blowing mechanism on the first protection part and the air holes on the fixed bottom plate, the circuit board can be effectively protected, and the circuit board is prevented from falling to cause danger. Moreover, the heat dissipation channel is close to the circuit board, so that the circuit board can be effectively cooled. The heat dissipation problem when protection piece protected the circuit board has been solved.
2. The utility model provides a circuit board mounting rack, the fixed bottom plate is provided with a support piece which is connected with the circuit board so as to support the circuit board to be far away from the fixed bottom plate; the air holes are formed in the lower portion of the circuit board and opposite to the lower surface of the circuit board. The air holes are formed in the circuit board, the blowing mechanism blows cold air towards the electric element on the upper surface of the circuit board, the cold air can enter the air permeable gap between the circuit board and the fixing bottom plate through the upper surface of the circuit board and then is discharged from the air holes in the position right below the circuit board, and the cold air blown out by the blowing mechanism is guided by the air holes to sequentially pass through the upper surface and the lower surface of the circuit board, so that the circuit board is effectively cooled. Moreover, the air holes can ensure that air heated by the circuit board is rapidly discharged, and the problem of poor cooling effect of the circuit board mounting rack is avoided. The supporting piece supports the circuit board with larger heating value to be far away from the fixed bottom plate, so that a heat dissipation gap is formed between the circuit board and the fixed bottom plate, and the problem that the normal work of the circuit board is seriously influenced because more heat is easily accumulated on the lower surface of the circuit board and cannot be dissipated is avoided. Moreover, cold air blown out by the blowing mechanism can effectively discharge heat between the circuit board and the fixed bottom plate through the air holes, so that the heat dissipation capacity of the circuit board mounting frame is further improved.
3. The utility model provides a circuit board mounting bracket, protection piece still includes: and a second protection part arranged at the side position of the circuit board. Through setting up first protection portion and the second protection portion at circuit board upper surface and lateral part respectively, can protect the circuit board comprehensively effectively, improve the protection effect of circuit board mounting bracket to the circuit board.
4. The utility model provides a circuit board mounting bracket, first protection portion with be provided with the louvre that the cooling air passes through on the first protection portion. The radiating holes can effectively blow cold air to the circuit board to cool the circuit board.
5. The utility model provides a circuit board mounting bracket, protection piece is L shape platelike structure, the louvre is for following the bar through-hole that its length direction of protection piece extended, above-mentioned bar through-hole can increase the air quantity that flows in or flow out the circuit board effectively, improves the heat-sinking capability of circuit board mounting bracket.
6. In the circuit board mounting rack provided by the utility model, the air holes are matched with the circuit board in shape; the supporting pieces are multiple and arranged at the edge of the outer contour of the air hole. The circuit board can be firmly and reliably supported by the supporting pieces to be far away from the fixed bottom plate, and the mounting reliability of the circuit board is improved.
7. The utility model provides a circuit board mounting bracket, the setting can be dismantled to the mechanism of blowing is in its orientation of first protection part one side of circuit board. Through with the setting of mechanism of blowing in its one side towards the circuit board of first protection portion, avoid first protection portion to block on the wind channel of blowing of mechanism of blowing, make more cold air blow to the circuit board heat-sinking capability that improves the circuit board mounting bracket.
8. The utility model provides a circuit board mounting bracket, it keeps away from of first protection portion one side of circuit board is provided with fixation nut, the mechanism of blowing is through inserting threaded connection spare in the fixation nut is fixed on the first protection portion. Through setting up fixation nut at its one side of keeping away from of first protection portion the circuit board can be for its orientation of first protection portion more spaces are flowed out to one side of circuit board to make circuit board mounting bracket can install bigger size's the mechanism of blowing, improve circuit board mounting bracket's heat-sinking capability.
9. The utility model provides an interactive projection equipment, include: a circuit board mounting bracket; and, an outer case; a projector for projecting an image to the interactive area; the image acquisition instrument is used for scanning the projection image in the interaction area and the movement of the participant in the interaction area and sending the projection image and the movement to the processor; the processor is installed on the circuit board mounting rack, and the circuit board is connected with the projector and the image acquisition instrument respectively. The circuit board passes through the interactive projection equipment of android system control, can reduce interactive projecting apparatus's volume effectively.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic perspective view of a first view angle of a circuit board mounting bracket with a circuit board according to the present invention;
fig. 2 is a schematic perspective view of a second view angle of the circuit board mounting bracket with the circuit board according to the present invention;
fig. 3 is a schematic perspective view illustrating the connection between the protection member and the fixing base plate according to the present invention;
fig. 4 is the internal structure diagram of the interactive projector with the circuit board mounting rack provided by the present invention.
Description of reference numerals:
1-fixing the bottom plate; 2-a circuit board; 3, air holes; 4-a protective element; 5-a first protection portion; 6-a second protection part; 7-heat dissipation holes; 8-a support member; 9-fixing the nut; 10-outer box body; 11-a projector; 12-image acquisition instrument.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example 1
An interactive projection device is described, as shown in fig. 4, comprising:
a circuit board mounting bracket; and the number of the first and second groups,
an outer case 10;
a projector 11 for projecting an image to the interactive area;
the image acquisition instrument 12 is used for scanning the projection image in the interaction area and the movement of the participant in the interaction area and sending the projection image and the movement to the processor;
and the processor is used for installing the circuit board 2 on the circuit board mounting rack, and the circuit board 2 is respectively connected with the projector 11 and the image acquisition instrument 12.
As shown in fig. 1 to 3, the circuit board mounting bracket includes:
the fixing base plate 1 is provided with a supporting piece 8 which is connected with the circuit board 2 and used for supporting the circuit board 2 to be far away from the fixing base plate 1; an air hole 3 is formed below the circuit board 2, and the air hole 3 is opposite to the lower surface of the circuit board 2;
the protection member 4 comprises a first protection portion 5 arranged opposite to the upper surface of the circuit board 2, wherein a blowing mechanism for blowing air towards the upper surface of the circuit board 2 is arranged on the first protection portion 5, the blowing mechanism is a fan, cold air blown by the fan flows through the upper surface of the circuit board 2 and is discharged from the air holes 3, the fan is detachably arranged on one side of the first protection portion 5 facing the circuit board 2, the first protection portion 5 can effectively protect electrical components on the upper surface of the circuit board 2 and prevent the circuit board 2 from falling off, the air holes 3 are arranged right below the circuit board 2, the blowing mechanism blows cold air towards the electrical components on the upper surface of the circuit board 2, the cold air can enter an air vent gap between the circuit board 2 and the fixing base plate 1 through the upper surface of the circuit board 2 and then is discharged from the air holes 3 arranged right below the circuit board 2, the air blown by the blowing mechanism is guided to flow through the upper and lower surfaces of the circuit board 2 to effectively cool the circuit board 2, the circuit board 2 is effectively protected, the heat dissipation effect of the heat dissipation of the circuit board 2 is improved, the heat dissipation of the mounting frame 2, the heat dissipation structure 352 is improved, the heat dissipation structure is arranged in the mounting frame 2, the heat dissipation structure is arranged in the heat dissipation structure, the mounting frame 2 is arranged in the mounting frame 2, the mounting frame 2 is arranged in the mounting frame 2, the mounting frame 2.
In this embodiment, the first protection portion 5 is provided with a fixing nut 9 on a side thereof away from the circuit board 2, and the fan is fixed to the first protection portion 5 by a screw connector inserted into the fixing nut 9. Through setting up fixation nut 9 at first protection portion 5 its keeping away from one side of circuit board 2, can be for first protection portion 5 its orientation more spaces are flowed out to one side of circuit board 2 to make the circuit board mounting bracket can install bigger size's the mechanism of blowing, improve the heat-sinking capability of circuit board mounting bracket.
Of course, the utility model discloses do not do specifically and restrict the position of setting up of bleeder vent 3, in other embodiments, circuit board 2 is installed on PMKD 1, PMKD 1 is last to have along bleeder vent 3 that 2 outline edges of circuit board set up. The air holes 3 are arranged at the edge of the outer contour of the circuit board 2, and air blown out by the fan can be exhausted from the periphery of the circuit board 2, so that the heat dissipation effect of the fan on the circuit board 2 is ensured.
Of course, the present invention does not specifically limit the shape of the air holes 3, and in other embodiments, the air holes 3 are round holes densely arranged right below the circuit board 2.
Of course, the present invention does not specifically limit the structure of the heat dissipation holes 7, and in other embodiments, the heat dissipation holes 7 are round holes densely arranged on the protective member 4.
Of course, the present invention is not limited to the structure of the protection member 4, and in other embodiments, the protection member 4 is a protection plate that is hung directly above the circuit board 2, the fan is installed on the protection plate, and the protection plate is provided with the ventilation holes.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (10)
1. A circuit board mounting bracket, comprising:
the circuit board fixing device comprises a fixing bottom plate (1), a circuit board (2) is installed on the fixing bottom plate (1), and air holes (3) are formed in the fixing bottom plate (1) and are close to the circuit board (2);
protection element (4) comprising: the first protection part (5) is arranged opposite to the upper surface of the circuit board (2), and a blowing mechanism blowing air towards the upper surface of the circuit board (2) is arranged on the first protection part (5); and cold air blown out by the blowing mechanism flows through the upper surface of the circuit board (2) and is discharged from the air holes (3).
2. The circuit board mounting rack according to claim 1, characterized in that the fixed base plate (1) is provided with a support member (8) connected to the circuit board (2) for supporting the circuit board (2) away from the fixed base plate (1); the air holes (3) are formed in the lower portion of the circuit board (2) and are opposite to the lower surface of the circuit board (2).
3. The circuit board mount according to claim 1, wherein the protective member (4) further comprises: and a second protection part (6) arranged at the side position of the circuit board (2).
4. A circuit board mounting frame as defined in claim 3, characterised in that the second protection part (6) is connected to the fixed base plate (1) at one end and to the second protection part (6) at the other end, the second protection part (6) and the first protection part (5) forming an L shaped plate structure.
5. The circuit board mounting rack according to claim 3 or 4, characterized in that the first protection part (5) and/or the first protection part (5) is provided with heat dissipation holes (7) through which cooling air passes.
6. The circuit board mount according to claim 5, wherein the protector (4) has an L-shaped plate structure, and the heat dissipation hole (7) is a through hole in a strip shape extending in a length direction of the protector (4).
7. The circuit board mounting rack according to claim 2, characterized in that the ventilation holes (3) are adapted to the shape of the circuit board (2); the supporting pieces (8) are multiple and are arranged at the edge of the outer contour of the air hole (3).
8. A circuit board mounting frame as claimed in claim 1, characterised in that the blowing mechanism is arranged detachably at the side of the first protection part (5) facing the circuit board (2).
9. A circuit board mounting frame as claimed in claim 8, characterised in that the first protection part (5) is provided with a fixing nut (9) on its side remote from the circuit board (2), the blowing mechanism being fixed on the first protection part (5) by means of a threaded connection inserted into the fixing nut (9).
10. An interactive projector, comprising:
the circuit board mount of any one of claims 1 to 9; and the number of the first and second groups,
an outer case (10);
a projector (11) for projecting an image onto the interaction area;
the image acquisition instrument (12) is used for scanning the projection image in the interaction area and the movement of the participant in the interaction area and sending the projection image and the movement to the processor;
the processor is installed on the circuit board mounting rack, the circuit board (2) is connected with the projector (11) and the image acquisition instrument (12) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921531098.8U CN211014981U (en) | 2019-09-12 | 2019-09-12 | Circuit board mounting rack and interactive projector with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921531098.8U CN211014981U (en) | 2019-09-12 | 2019-09-12 | Circuit board mounting rack and interactive projector with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211014981U true CN211014981U (en) | 2020-07-14 |
Family
ID=71476582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921531098.8U Active CN211014981U (en) | 2019-09-12 | 2019-09-12 | Circuit board mounting rack and interactive projector with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211014981U (en) |
-
2019
- 2019-09-12 CN CN201921531098.8U patent/CN211014981U/en active Active
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