CN213462450U - High-temperature heat-resistant high-frequency circuit board for aerospace equipment - Google Patents
High-temperature heat-resistant high-frequency circuit board for aerospace equipment Download PDFInfo
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- CN213462450U CN213462450U CN202022618547.1U CN202022618547U CN213462450U CN 213462450 U CN213462450 U CN 213462450U CN 202022618547 U CN202022618547 U CN 202022618547U CN 213462450 U CN213462450 U CN 213462450U
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Abstract
The utility model discloses a high frequency circuit board of high temperature heat-resistant type for aerospace equipment relates to circuit board technical field. The utility model comprises a circuit board body and a heat dissipation frame; the notch has been seted up to the both sides of circuit board body, and one side fixedly connected with locating lever of heat dissipation frame, the channel has been seted up at the middle part of locating lever, and the middle part elastic fit of channel has a rotation section of thick bamboo. The utility model discloses a refrigeration piece that sets up, refrigeration piece can be processed into cold wind to the wind that the fan blew off, then cold wind blows off along the wind channel and cools down the circuit board body to prolonged the life of circuit board body, through the locating lever that sets up, the locating lever can make convenient and fast more when the installation heat dissipation frame, also can carry out quick change according to the in service behavior of heat dissipation frame, thereby promoted the dismouting speed of heat dissipation frame.
Description
Technical Field
The utility model belongs to the technical field of the circuit board, especially, relate to a high frequency circuit board of high temperature heat-resistant type for aerospace equipment.
Background
The circuit board has the name: ceramic circuit board, alumina ceramic circuit board, aluminum nitride ceramic circuit board, PCB board, aluminium base board, high frequency board, thick copper board, impedance board, ultra-thin circuit board, printed circuit board etc.. The circuit board enables the circuit to be miniaturized and visualized, and plays an important role in batch production of fixed circuits and optimization of electric appliance layout. The circuit board can be called as a printed circuit board or a printed circuit board, an FPC (flexible printed circuit) board and a rigid-flex board, and a new product of the rigid-flex board is promoted. Therefore, the rigid-flex circuit board is a circuit board with FPC (flexible printed circuit) characteristics and PCB (printed circuit board) characteristics, which is formed by combining a flexible circuit board and a rigid circuit board according to relevant process requirements through processes such as pressing and the like.
Most of the existing high-frequency circuit boards have poor heat dissipation effect when in use, and the high-frequency circuit boards can be damaged when the temperature is high.
Disclosure of Invention
An object of the utility model is to provide a high frequency circuit board of high temperature heat-resistant type for aerospace equipment, through the refrigeration piece that sets up, the refrigeration piece can be processed into cold wind to the wind that the fan blew off, then cold wind blows off along the wind channel and cools down the circuit board body, thereby the life of circuit board body has been prolonged, through the locating lever that sets up, the locating lever can make convenient and fast more when the installation heat dissipation frame, also can carry out quick change according to the in service behavior of heat dissipation frame, thereby the dismouting speed of heat dissipation frame has been promoted, the problem that exists among the above-mentioned prior art has been solved.
In order to achieve the purpose, the utility model is realized by the following technical proposal:
a high-temperature heat-resistant high-frequency circuit board for aerospace equipment comprises a circuit board body and a heat dissipation frame;
notches are formed in two sides of the circuit board body, a positioning rod is fixedly connected to one side of the heat dissipation frame, a channel is formed in the middle of the positioning rod, and a rotating cylinder is elastically matched with the middle of the channel;
a limiting groove is formed in the peripheral side of the rotating cylinder, a rod body is rotatably matched in the middle of the rotating cylinder, a limiting rod is fixedly connected to the peripheral side of the rod body, a rotating disc is fixedly connected to one end of the rod body, a plane thread is arranged on one surface of the rotating disc, and two fixing blocks are slidably matched on the upper side of the channel;
an air duct is formed in one side of the heat dissipation frame, a plurality of grooves are formed in one side of the air duct, a motor is fixedly connected to the inner portion of each groove, and a first bevel gear is fixedly connected to the output end of the motor;
a rotating rod is rotatably connected in the groove, one end of the rotating rod is fixedly connected with a second bevel gear, the other end of the rotating rod is fixedly connected with a fan, and a plurality of refrigerating sheets are arranged in the air channel;
the constant head tank has all been seted up to the both sides of circuit board body, and the middle part elastic fit of constant head tank has the dead lever.
Optionally, the fixed block is in threaded fit with the rotating disc, and threads matched with the plane threads are arranged on one side of the fixed block.
Optionally, the bottom fixedly connected with spring of constant head tank, the one end and the dead lever fixed connection of spring, and the draw-in groove of fixed block looks adaptation is all seted up to the both sides of notch.
Optionally, the limiting rod is in sliding fit in the limiting groove.
Optionally, the channel comprises: the first rectangular groove, and the rotating cylinder sliding fit is in the first rectangular groove, the rod body, the rotating disc rotating fit are in the first rectangular groove, two second rectangular grooves are arranged on the upper side of the first rectangular groove, and the fixing block sliding fit is in the second rectangular groove.
Optionally, the first bevel gear is engaged with the second bevel gear, the cross section of the air duct is of a U-shaped structure, and the heat dissipation frame is of a U-shaped plate structure.
The embodiment of the utility model has the following beneficial effect:
the utility model discloses an embodiment is through the refrigeration piece that sets up, and the refrigeration piece can be processed into cold wind to the wind that the fan blew off, then cold wind blows off along the wind channel and cools down the circuit board body to prolonged the life of circuit board body, through the locating lever that sets up, the locating lever can make convenient and fast more when the installation heat dissipation frame, also can carry out quick change according to the in service behavior of heat dissipation frame, thereby promoted the dismouting speed of heat dissipation frame.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
The accompanying drawings, which form a part of the present application, 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 invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of a three-dimensional structure of a circuit board body according to an embodiment of the present invention;
fig. 2 is a schematic perspective view of a heat dissipation frame according to an embodiment of the present invention;
fig. 3 is a schematic view of a cross-sectional structure of a circuit board body according to an embodiment of the present invention;
FIG. 4 is a schematic view of the structure at A in FIG. 3;
fig. 5 is a schematic structural diagram at B in fig. 3.
Wherein the figures include the following reference numerals:
the circuit board comprises a circuit board body 1, a heat dissipation frame 2, an air duct 3, a refrigeration sheet 4, a motor 5, a groove 6, a first bevel gear 8, a second bevel gear 9, a rotating rod 10, a fan 11, a positioning rod 12, a channel 13, a fixing block 14, a rotating disc 15, a notch 16, a rod body 17, a rotating cylinder 18, a limiting rod 19, a limiting groove 20, a positioning groove 21, a spring 22 and a fixing rod 23.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
To maintain the following description of the embodiments of the present invention clear and concise, detailed descriptions of well-known functions and components may be omitted.
Referring to fig. 1 to 5, in the present embodiment, a high-temperature and heat-resistant high-frequency circuit board for aerospace equipment is provided, including: the circuit board comprises a circuit board body 1 and a heat dissipation frame 2;
a limiting groove 20 is formed in the peripheral side of the rotating cylinder 18, a rod body 17 is rotatably matched in the middle of the rotating cylinder 18, a limiting rod 19 is fixedly connected to the peripheral side of the rod body 17, a rotating disc 15 is fixedly connected to one end of the rod body 17, a plane thread is arranged on one surface of the rotating disc 15, and two fixing blocks 14 are slidably matched on the upper side of the channel 13;
an air duct 3 is formed in one side of the heat dissipation frame 2, a plurality of grooves 6 are formed in one side of the air duct 3, a motor 5 is fixedly connected to the inside of each groove 6, and a first bevel gear 8 is fixedly connected to the output end of each motor 5;
a rotating rod 10 is rotatably connected in the groove 6, one end of the rotating rod 10 is fixedly connected with a second bevel gear 9, the other end of the rotating rod 10 is fixedly connected with a fan 11, and a plurality of refrigerating sheets 4 are arranged in the air channel 3;
the locating slot 21 has all been seted up to the both sides of circuit board body 1, and the middle part elastic fit of locating slot 21 has dead lever 23.
Optionally, the fixed block 14 is in threaded fit with the rotating disc 15, and one side of the fixed block 14 is provided with a thread matched with the planar thread.
The application of one aspect of the embodiment is as follows: when the heat dissipation and cooling of the circuit board body 1 are needed, the positioning rod 12 is inserted into the notch 16, the rotating cylinder 18 extrudes the fixed rod 23 and retracts into the channel 13, the rotating cylinder 18 drives the rod body 17 to rotate along the limiting groove 20 by virtue of the limiting rod 19, then the rod body 17 drives the rotating disc 15 to rotate, then the rotating disc 15 drives the two fixed blocks 14 to move towards one side close to the notch 16, then the motor 5 is started after the fixed blocks 14 and the notch 16 generate a limiting relation, the first bevel gear 8 fixedly connected with the output end of the motor 5 rotates, then the first bevel gear 8 drives the second bevel gear 9 to rotate, then the second bevel gear 9 drives the fan 11 to rotate by virtue of the rotating rod 10, then the fan 11 blows air to be refrigerated by virtue of the refrigerating sheet 4, so that the air is processed into cold air, then the cold air cools the circuit board body 1 along the air duct 3, and, when the heat dissipation frame 2 needs to be replaced, the fixing rod 23 is pulled first, the fixing rod 23 is made to extrude the spring 22 and then is retracted into the positioning groove 21, the rotating cylinder 18 is popped out of the channel 13, then the rotating cylinder 18 drives the rod body 17 to rotate through the limiting rod 19, then the rod body 17 drives the two fixing blocks 14 to move towards one side far away from the notch 16, then the heat dissipation frame 2 is pulled, the positioning rod 12 fixedly connected with the heat dissipation frame 2 slides out of the notch 16, and then the heat dissipation frame 2 is replaced. It should be noted that the circuit board referred to in this application may be powered by a storage battery or an external power source.
Through the refrigeration piece 4 that sets up, refrigeration piece 4 can be processed into cold wind to the wind that fan 11 blew out, then cold wind blows out along wind channel 3 and cools down circuit board body 1 to prolonged circuit board body 1's life, through the locating lever 12 that sets up, locating lever 12 can make convenient and fast more when installation heat dissipation frame 2, also can carry out quick change according to the in service behavior of heat dissipation frame 2, thereby promoted the dismouting speed of heat dissipation frame 2.
The fixed block 14 of the embodiment is in threaded fit with the rotating disc 15, and one side of the fixed block 14 is provided with a thread matched with the plane thread.
The bottom fixedly connected with spring 22 of constant head tank 21 of this embodiment, spring 22's one end and dead lever 23 fixed connection, and the draw-in groove of fixed block 14 looks adaptation is all seted up to the both sides of notch 16.
The stopper rod 19 of this embodiment is slidably fitted in the stopper groove 20.
The channel 13 of the present embodiment includes: the first rectangular groove, and the rotary drum 18 sliding fit in the first rectangular groove, the rod body 17, the rotary disc 15 rotating fit in the first rectangular groove, two second rectangular grooves have been seted up to the upside of first rectangular groove, and fixed block 14 sliding fit in the second rectangular groove.
The first bevel gear 8 and the second bevel gear 9 of this embodiment are engaged, the cross section of the air duct 3 is a U-shaped structure, and the heat dissipation frame 2 is a U-shaped plate structure.
The above embodiments may be combined with each other.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Claims (6)
1. A high-temperature heat-resistant high-frequency circuit board for aerospace equipment, comprising: the circuit board comprises a circuit board body (1) and a heat dissipation frame (2);
notches (16) are formed in two sides of the circuit board body (1), a positioning rod (12) is fixedly connected to one side of the heat dissipation frame (2), a channel (13) is formed in the middle of the positioning rod (12), and a rotating cylinder (18) is elastically matched with the middle of the channel (13);
a limiting groove (20) is formed in the peripheral side of the rotating cylinder (18), a rod body (17) is rotatably matched in the middle of the rotating cylinder (18), a limiting rod (19) is fixedly connected to the peripheral side of the rod body (17), a rotating disc (15) is fixedly connected to one end of the rod body (17), a plane thread is arranged on one surface of the rotating disc (15), and two fixing blocks (14) are slidably matched on the upper side of the channel (13);
an air duct (3) is formed in one side of the heat dissipation frame (2), a plurality of grooves (6) are formed in one side of the air duct (3), a motor (5) is fixedly connected to the inner portion of each groove (6), and a first bevel gear (8) is fixedly connected to the output end of the motor (5);
a rotating rod (10) is rotatably connected in the groove (6), one end of the rotating rod (10) is fixedly connected with a second bevel gear (9), the other end of the rotating rod (10) is fixedly connected with a fan (11), and a plurality of refrigerating sheets (4) are arranged in the air channel (3);
the locating grooves (21) are formed in the two sides of the circuit board body (1), and the fixing rods (23) are elastically matched in the middle of the locating grooves (21).
2. A high-frequency circuit board of high-temperature heat-resistant type for aerospace devices according to claim 1, wherein the fixed block (14) is screw-fitted to the rotary disk (15), and one side of the fixed block (14) is provided with a screw thread adapted to the flat screw thread.
3. The high-temperature heat-resistant high-frequency circuit board for the aerospace equipment as claimed in claim 1, wherein a spring (22) is fixedly connected to the bottom of the positioning groove (21), one end of the spring (22) is fixedly connected to the fixing rod (23), and two sides of the notch (16) are respectively provided with a clamping groove matched with the fixing block (14).
4. A high-frequency circuit board of high-temperature heat-resistant type for aerospace equipment according to claim 1, wherein the stopper rod (19) is slidably fitted in the stopper groove (20).
5. A high-frequency circuit board of high-temperature heat-resistant type for aerospace equipment according to claim 1, wherein the channel (13) comprises: the first rectangular groove, and a rotating cylinder (18) is in sliding fit in the first rectangular groove, the rod body (17) and the rotating disc (15) are in sliding fit in the first rectangular groove, two second rectangular grooves are formed in the upper side of the first rectangular groove, and the fixing block (14) is in sliding fit in the second rectangular grooves.
6. The high-frequency circuit board of the high-temperature heat-resistant type for the aerospace equipment as claimed in claim 1, wherein the first bevel gear (8) is engaged with the second bevel gear (9), the cross section of the air duct (3) is of a U-shaped structure, and the heat dissipating frame (2) is of a U-shaped plate structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022618547.1U CN213462450U (en) | 2020-11-13 | 2020-11-13 | High-temperature heat-resistant high-frequency circuit board for aerospace equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022618547.1U CN213462450U (en) | 2020-11-13 | 2020-11-13 | High-temperature heat-resistant high-frequency circuit board for aerospace equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213462450U true CN213462450U (en) | 2021-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022618547.1U Active CN213462450U (en) | 2020-11-13 | 2020-11-13 | High-temperature heat-resistant high-frequency circuit board for aerospace equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213462450U (en) |
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- 2020-11-13 CN CN202022618547.1U patent/CN213462450U/en active Active
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