CN210351105U - Vehicle-mounted quartz crystal oscillator anti-seismic structure - Google Patents
Vehicle-mounted quartz crystal oscillator anti-seismic structure Download PDFInfo
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- CN210351105U CN210351105U CN201921987909.5U CN201921987909U CN210351105U CN 210351105 U CN210351105 U CN 210351105U CN 201921987909 U CN201921987909 U CN 201921987909U CN 210351105 U CN210351105 U CN 210351105U
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Abstract
The utility model relates to an on-vehicle quartz crystal oscillator antidetonation structure, including circuit board and the protecting crust that encircles the crystal oscillator setting, the crystal oscillator is installed on the circuit board, set up the first logical groove that the pin that supplies the crystal oscillator passed on the circuit board, be provided with the top dog that blocks the crystal oscillator from the top on the protecting crust, top dog and crystal oscillator top surface butt, the protecting crust bottom is provided with extends the piece, be fixed with the fixture block on extending the piece, set up the bayonet socket that supplies the fixture block joint on the circuit board, extend the piece and pass the bayonet socket. The utility model discloses can take place great jolt at the car and make the range that reduces the crystal oscillator and take place vibrations to prevent that the crystal oscillator from droing from the on-vehicle circuit module, have the effect of guaranteeing the normal operating of on-vehicle circuit module.
Description
Technical Field
The utility model belongs to the technical field of the technique of crystal oscillator and specifically relates to a vehicle-mounted quartz crystal oscillator shock-resistant structure is related to.
Background
The present quartz crystal oscillator, crystal oscillator for short, is an electronic component using piezoelectric effect of quartz crystal (also called crystal) to generate high-precision oscillation frequency, belonging to passive component and applied in various circuit modules.
The existing vehicle-mounted circuit module installed on the automobile often contains a crystal oscillator, the automobile is easy to bump when running on a road with poor road conditions, and the automobile bumps along the way and transmits the vibration to the vehicle-mounted circuit module installed on the automobile, so that the vibration of the vehicle-mounted circuit module is caused, and meanwhile, the vibration is transmitted to the crystal oscillator to cause the crystal oscillator to vibrate on the vehicle-mounted circuit module.
The above prior art solutions have the following drawbacks: when the automobile generates large bumping vibration, the crystal oscillator is easy to synchronously generate large vibration, and the crystal oscillator is easy to fall off from the vehicle-mounted circuit module after the crystal oscillator generates large vibration with large amplitude for many times due to certain weight of the crystal oscillator, so that the vehicle-mounted circuit module cannot normally operate.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an on-vehicle quartz crystal oscillator shock-resistant structure can take place great jolting as the car and make the range that reduces the crystal oscillator and take place vibrations to prevent that the crystal oscillator from droing from the on-vehicle circuit module, have the advantage of guaranteeing the normal operating of on-vehicle circuit module.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides an on-vehicle quartz crystal oscillator shock-resistant structure, includes circuit board and the protecting crust that encircles the crystal oscillator setting, and the crystal oscillator is installed on the circuit board, set up the first logical groove that the pin that supplies the crystal oscillator passed on the circuit board, be provided with the top dog that blocks the crystal oscillator from the top on the protecting crust, top dog and crystal oscillator top surface butt, the protecting crust bottom is provided with extends the piece, be fixed with the fixture block on extending the piece, set up the bayonet socket that supplies the fixture block joint on the circuit board, it passes the bayonet socket to extend the piece.
By adopting the technical scheme, the clamping block is clamped at the clamping opening so as to fix the protective shell and the top stop block on the circuit board, and the protective shell and the top stop block limit the movement of the crystal oscillator from the top and the periphery, so that the vibration amplitude of the crystal oscillator is limited, the crystal oscillator is prevented from falling off from the vehicle-mounted circuit module, the crystal oscillator is ensured to be continuously installed on the circuit board, and the normal operation of the vehicle-mounted circuit module is ensured; the fixture block has elasticity, takes place deformation when the fixture block passes the bayonet socket, and after the fixture block passed the buckle completely, the fixture block recovered to initial shape and with the bayonet socket joint, the operator directly promoted the protecting crust and can accomplish the fixed of protecting crust and circuit board, convenient operation.
The utility model discloses further set up to: a gap exists between the bottom surface of the crystal oscillator and the circuit board, an insulating elastic block is arranged on the circuit board, and a second through groove for the pin of the crystal oscillator to pass through is formed in the insulating elastic block.
Through adopting above-mentioned technical scheme, the crystal oscillator is lived to insulating elastic block support, prevents that the crystal oscillator from directly colliding with the circuit board and damaging the crystal oscillator when taking place the vibration, and insulating elastic block cushions the vibration of crystal oscillator when the crystal oscillator takes place vibrations, and then further reduces the vibration range of crystal oscillator, prevents that the crystal oscillator from coming off from on-vehicle circuit module.
The utility model discloses further set up to: the top stop block comprises a top block and a first elastic block, the top stop block is fixed to the top of the protective shell, the first elastic block is fixed to the bottom surface of the top block, and the first elastic block is abutted to the top surface of the crystal oscillator.
Through adopting above-mentioned technical scheme, first elastic block blocks the crystal oscillator from the top, prevents that the crystal oscillator from directly colliding with the top piece and damaging the crystal oscillator when the emergence vibration, and first elastic block and insulating elastic block can restrict the removal of crystal oscillator simultaneously from top and bottom, further reduce the vibration range of crystal oscillator, prevent that the crystal oscillator from coming off from on-vehicle circuit module, guarantee on-vehicle circuit module's normal operating.
The utility model discloses further set up to: the protective shell is characterized in that a mounting groove is formed in the inner side wall of the protective shell, a second elastic block is filled in the mounting groove, and the second elastic block is abutted to the side face of the crystal oscillator.
Through adopting above-mentioned technical scheme, second elastic block edgewise and crystal oscillator butt, and then the edgewise cushions the vibration of crystal oscillator, further reduces the vibration range of crystal oscillator, prevents that crystal oscillator from droing from the on-vehicle circuit module, guarantees the normal operating of on-vehicle circuit module.
The utility model discloses further set up to: the insulating elastic blocks are arranged on the circuit board at intervals and are not less than two, and a first heat dissipation opening is formed in the bottom of the protective shell.
Through adopting above-mentioned technical scheme, the interval setting of insulating elastic block makes and has the space between each insulating elastic block, and the heat accessible and the first thermovent between the insulating elastic block of crystal oscillator production after long-time operation effuse, have increased crystal oscillator's life.
The utility model discloses further set up to: the first elastic block is provided with at least two elastic blocks at intervals on the top block, and the top block is provided with a second heat dissipation opening.
Through adopting above-mentioned technical scheme, the interval of first elastic block sets up and makes and have the space between each first elastic block, and the heat accessible of crystal oscillator production after long-time operation between the first elastic block and the second thermovent effluvium to strengthen the radiating effect of crystal oscillator, increased the life of crystal oscillator.
The utility model discloses further set up to: the second elastic block comprises an elastic sheet and elastic protrusions, the elastic sheet is embedded into the mounting groove, the elastic protrusions are arranged on the elastic sheet at intervals and are not less than two, the elastic protrusions are abutted to the side face of the crystal oscillator, a third heat dissipation opening is formed in the side face of the protective shell, and a fourth heat dissipation opening communicated with the third heat dissipation opening is formed in the elastic sheet.
Through adopting above-mentioned technical scheme, the elastic bulge that the interval set up makes and has the space between each elastic bulge, and the heat accessible elastic bulge between the crystal oscillator produces after long-time operation space and third thermovent, fourth thermovent effluvium to strengthen the radiating effect of crystal oscillator, increased the life of crystal oscillator.
The utility model discloses further set up to: the circuit board is provided with at least two fifth radiating ports, and the fifth radiating ports are arranged below the crystal oscillator.
Through adopting above-mentioned technical scheme, the radiating effect of crystal oscillator has been strengthened in setting up of fifth thermovent, and the heat accessible fifth thermovent that the crystal oscillator produced when long-term operation is discharged, has increased the life of crystal oscillator.
To sum up, the utility model discloses a beneficial technological effect does:
the protective shell and the top stop block limit the movement of the crystal oscillator from the top and the periphery, so that the vibration amplitude of the crystal oscillator is limited, the crystal oscillator is prevented from falling off from the vehicle-mounted circuit module, the crystal oscillator is ensured to be continuously mounted on the circuit board, and the normal operation of the vehicle-mounted circuit module is ensured;
the clamping block has elasticity, the clamping block deforms when penetrating through the bayonet, the clamping block recovers to the initial shape and is clamped with the bayonet after the clamping block completely penetrates through the bayonet, an operator can directly push the protective shell to complete the fixation of the protective shell and the circuit board, and the operation is convenient;
the crystal oscillator is supported by the insulating elastic blocks, the crystal oscillator is prevented from being damaged due to direct collision with the circuit board when the crystal oscillator vibrates, the insulating elastic blocks buffer the vibration of the crystal oscillator when the crystal oscillator vibrates, the vibration amplitude of the crystal oscillator is further reduced, and the crystal oscillator is prevented from falling off from the vehicle-mounted circuit module.
Drawings
FIG. 1 is a plan view of the present embodiment;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic structural view of the present embodiment;
FIG. 4 is a cross-sectional view B-B of FIG. 2;
fig. 5 is a cross-sectional view of C-C in fig. 2.
In the figure, 1, a circuit board; 2. a protective shell; 3. a first through groove; 4. an extension block; 5. a clamping block; 6. a bayonet; 7. an insulating elastic block; 8. a second through groove; 9. a first heat dissipation port; 10. a top stop; 101. a top block; 102. a first elastic block; 11. a second heat dissipation port; 12. mounting grooves; 13. a second elastic block; 131. an elastic sheet; 132. an elastic bulge; 14. a third heat dissipation port; 15. a fourth heat dissipation port; 16. and a fifth heat dissipation opening.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, for the utility model discloses an on-vehicle quartz crystal oscillator antidetonation structure, including circuit board 1 and the protecting crust 2 that encircles crystal oscillator setting, set up the first logical groove 3 that supplies crystal oscillator's pin to pass on the circuit board 1, crystal oscillator's pin passes first logical groove 3 and crystal oscillator's pin welding on circuit board 1, crystal oscillator installs on circuit board 1, protecting crust 2 bottom is fixed with extension piece 4, protecting crust 2, extension piece 4 is made by plastics, extension piece 4 is fixed with two, extension piece 4 bottom is fixed with fixture block 5, fixture block 5 is the plastic block, set up the bayonet socket 6 with fixture block 5 joint on circuit board 1, extension piece 4 passes bayonet socket 6 and extends piece 4 and bayonet socket 6 adaptation, fixture block 5 top surface area is greater than extension piece 4 bottom surface area.
Referring to fig. 2 and 3, a gap exists between the bottom surface of the crystal oscillator and the circuit board 1, the circuit board 1 is fixed with an insulating elastic block 7, the insulating elastic block 7 is made of rubber, at least two insulating elastic blocks 7 are uniformly distributed on the circuit board 1, in the embodiment, two insulating elastic blocks 7 are arranged, the insulating elastic block 7 is provided with a second through groove 8 communicated with the first through groove 3, pins of the crystal oscillator pass through the second through groove 8, the bottom of the side wall of the protective shell 2 is provided with first heat dissipation ports 9, at least two first heat dissipation ports 9 are horizontally arranged on one side wall of the protective shell 2 at intervals, in the embodiment, two first heat dissipation ports 9 are arranged on one side wall of the protective shell 2, at least two fifth heat dissipation ports 16 are uniformly arranged on the circuit board 1, at least two fifth heat dissipation ports 1615 are horizontally arranged on the circuit board 1 at intervals, in the embodiment, two fifth heat dissipation ports 161, the fifth heat dissipation opening 16 is disposed below the crystal oscillator.
Referring to fig. 2 and 4, a top stopper 10 for blocking the crystal oscillator from the top is arranged on the protective shell 2, the top stopper 10 comprises a top block 101 and a first elastic block 102, the top stopper 10 is fixed on the top of the protective shell 2, the first elastic block 102 is fixed on the bottom surface of the top block 101, the first elastic block 102 is a rubber block, the first elastic block 102 is not less than two in uniform distribution on the top block 101, the first elastic block 102 is abutted against the top surface of the crystal oscillator, a second heat dissipation opening 11 is formed in the top block 101, the second heat dissipation opening 11 is not less than two in uniform distribution on the top block 101, and the second heat dissipation opening 11 and the first elastic block 102 are arranged at intervals.
Referring to fig. 4 and 5, an installation groove 12 is formed in the inner side wall of the protective shell 2, a second elastic block 13 is fixed in the installation groove 12, in this embodiment, the second elastic block 13 is a rubber block, the second elastic block 13 includes an elastic piece 131 and an elastic protrusion 132, the elastic piece 131 is vertically fixed in the installation groove 12, the elastic protrusion 132 is fixed on the elastic piece 131, the elastic protrusion 132 is uniformly provided with at least two elastic protrusions 132 abutting against the side surface of the crystal oscillator, at least two third heat dissipation ports 14 are uniformly formed in the side surface of the protective shell 2, in this embodiment, 6 third heat dissipation ports 14 are formed in one side wall of the protective shell 2, at least two fourth heat dissipation ports 15 are uniformly formed in the elastic piece 131, the fourth heat dissipation ports 15 are spaced from the elastic protrusion 132, the third heat dissipation ports 14 are communicated with the fourth heat dissipation ports 15, and the fourth heat dissipation ports 15 have the same number and opening specification as the third heat dissipation ports 14.
The implementation principle of the embodiment is as follows: when the operator carries out fixed mounting to the crystal oscillator, pass two second through grooves 8 and first through groove 3 respectively with two pins of crystal oscillator earlier, the operator passes through the pin welded fastening of tin soldering with the crystal oscillator on circuit board 1, the operator removes protecting crust 2 afterwards and makes fixture block 5 aim at bayonet socket 6, the operator vertically moves down protecting crust 2 and drives extension piece 4 and fixture block 5 and move down, fixture block 5 gets into bayonet socket 6 and fixture block 5 and takes place deformation, fixture block 5 resumes to initial shape after bayonet socket 6 is worn out to fixture block 5, extension piece 4 penetrates the buckle, first elastic block 102 and crystal oscillator butt.
When the automobile greatly bumps during running, the crystal oscillator vibrates on the circuit board 1, the first elastic block 102, the second elastic block 13 and the insulating elastic block 7 buffer the vibration of the crystal oscillator and slightly deform, and then the first elastic block 102, the second elastic block 13 and the insulating elastic block 7 recover to an initial state under the action of self elasticity; after the crystal oscillator operates for a long time, the heat generated by the crystal oscillator is discharged out of the protective shell 2 through the first heat dissipation port 9, the second heat dissipation port 11, the third heat dissipation port 14, the fourth heat dissipation port 15 and the fifth heat dissipation port 16.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a vehicle-mounted quartz crystal oscillator antidetonation structure which characterized in that: including circuit board (1) and protecting crust (2) that encircle the crystal oscillator setting, the crystal oscillator is installed on circuit board (1), set up first logical groove (3) that the pin that supplies the crystal oscillator passes on circuit board (1), be provided with on protecting crust (2) and block top dog (10) of crystal oscillator from the top, top dog (10) and crystal oscillator top surface butt, protecting crust (2) bottom is provided with extension piece (4), be fixed with fixture block (5) on extension piece (4), set up bayonet socket (6) that supply fixture block (5) joint on circuit board (1), extension piece (4) pass bayonet socket (6).
2. The vehicular quartz crystal oscillator seismic structure according to claim 1, characterized in that: a gap exists between the bottom surface of the crystal oscillator and the circuit board (1), an insulating elastic block (7) is arranged on the circuit board (1), and a second through groove (8) for a crystal oscillator pin to pass through is formed in the insulating elastic block (7).
3. The vehicular quartz crystal oscillator seismic structure according to claim 1, characterized in that: the top stop block (10) comprises a top block (101) and a first elastic block (102), the top stop block (10) is fixed to the top of the protective shell (2), the first elastic block (102) is fixed to the bottom surface of the top block (101), and the first elastic block (102) is abutted to the top surface of the crystal oscillator.
4. The vehicular quartz crystal oscillator seismic structure according to claim 1, characterized in that: the protective shell is characterized in that a mounting groove (12) is formed in the inner side wall of the protective shell (2), a second elastic block (13) is filled in the mounting groove (12), and the second elastic block (13) is abutted to the side face of the crystal oscillator.
5. The vehicular quartz crystal oscillator seismic structure according to claim 2, characterized in that: the insulating elastic blocks (7) are arranged on the circuit board (1) at intervals and are not less than two, and the bottom of the protective shell (2) is provided with a first heat dissipation opening (9).
6. The vehicular quartz crystal oscillator seismic structure according to claim 3, characterized in that: the first elastic block (102) is provided with at least two top blocks (101) at intervals, and the top blocks (101) are provided with second heat dissipation ports (11).
7. The vehicular quartz crystal oscillator seismic structure according to claim 4, characterized in that: second elastic block (13) include flexure strip (131) and elastic bulge (132), flexure strip (131) embedding mounting groove (12) are interior, elastic bulge (132) are provided with at least two in the interval on flexure strip (131), elastic bulge (132) and crystal oscillator side butt, third thermovent (14) have been seted up to protective housing (2) side, seted up on flexure strip (131) with the communicating fourth thermovent (15) of third thermovent (14).
8. The vehicular quartz crystal oscillator shock-resistant structure according to any one of claims 1 to 7, characterized in that: the circuit board (1) is provided with at least two fifth heat dissipation ports (16), and the fifth heat dissipation ports (16) are arranged below the crystal oscillator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921987909.5U CN210351105U (en) | 2019-11-15 | 2019-11-15 | Vehicle-mounted quartz crystal oscillator anti-seismic structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921987909.5U CN210351105U (en) | 2019-11-15 | 2019-11-15 | Vehicle-mounted quartz crystal oscillator anti-seismic structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210351105U true CN210351105U (en) | 2020-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921987909.5U Active CN210351105U (en) | 2019-11-15 | 2019-11-15 | Vehicle-mounted quartz crystal oscillator anti-seismic structure |
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| Country | Link |
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| CN (1) | CN210351105U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112953442A (en) * | 2021-03-05 | 2021-06-11 | 深圳市炬烜科技有限公司 | Crystal oscillator with high-efficient radiating effect |
| CN114979845A (en) * | 2021-02-25 | 2022-08-30 | 成都极米科技股份有限公司 | Sound box mounting structure and electronic equipment |
| CN116846339A (en) * | 2023-08-24 | 2023-10-03 | 成都世源频控技术股份有限公司 | Shock-resistant quartz crystal oscillator |
-
2019
- 2019-11-15 CN CN201921987909.5U patent/CN210351105U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114979845A (en) * | 2021-02-25 | 2022-08-30 | 成都极米科技股份有限公司 | Sound box mounting structure and electronic equipment |
| CN112953442A (en) * | 2021-03-05 | 2021-06-11 | 深圳市炬烜科技有限公司 | Crystal oscillator with high-efficient radiating effect |
| CN116846339A (en) * | 2023-08-24 | 2023-10-03 | 成都世源频控技术股份有限公司 | Shock-resistant quartz crystal oscillator |
| CN116846339B (en) * | 2023-08-24 | 2023-11-03 | 成都世源频控技术股份有限公司 | Shock-resistant quartz crystal oscillator |
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