CN213818606U - Ultrasonic frequency control circuit board - Google Patents
Ultrasonic frequency control circuit board Download PDFInfo
- Publication number
- CN213818606U CN213818606U CN202022642320.0U CN202022642320U CN213818606U CN 213818606 U CN213818606 U CN 213818606U CN 202022642320 U CN202022642320 U CN 202022642320U CN 213818606 U CN213818606 U CN 213818606U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- protective cover
- ultrasonic
- board main
- main part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000001681 protective effect Effects 0.000 claims abstract description 49
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 41
- 239000000428 dust Substances 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
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- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
The utility model discloses an ultrasonic frequency control circuit board, including circuit board main part and protective cover, the up end of circuit board main part is provided with ultrasonic receiver and ultrasonic transmitter, the up end of protective cover is provided with the reinforcing groove, the bottom in reinforcing groove is provided with the dust guard, the up end edge of protective cover is provided with the dash receiver, the terminal surface is provided with first fixed plate in the lateral wall of protective cover, be provided with first screw on the first fixed plate, the outer terminal surface of the lateral wall of protective cover is provided with the second fixed plate, be provided with the second screw on the second fixed plate, the up end of circuit board main part is provided with the through-hole, be provided with the bolt in the first screw, the protective cover passes the through-hole with the circuit board main part through the bolt and is connected with first screw. The utility model discloses a set up the reinforcing groove in the upper end of protective cover, help the sending and receiving of circuit board main part signal, fix and fix a position the spring through the fixed slot, make things convenient for the installation of circuit board main part and protective cover.
Description
Technical Field
The utility model belongs to the technical field of the circuit board, specifically be an ultrasonic frequency control circuit board.
Background
The circuit board is a core component in the power equipment, and the medium ultrasonic frequency control circuit board controls the current and signals of the circuit board by using the magnitude of the ultrasonic frequency.
The utility model discloses an ultrasonic frequency control circuit board in authorizing bulletin number 201822146249.X, it includes dust cover, dust cover's top surface and bottom surface fixedly connected with shell installation foot, dust cover's front gomphosis has first shield, the top of first shield is equipped with the second shield, dust cover's inner chamber gomphosis has shockproof frame, the inner wall of shockproof frame has concatenated the shockproof fastener of second, the inboard fixedly connected with second spring coupling spare of the shockproof fastener of second.
Above-mentioned an ultrasonic frequency control circuit board that discloses, its installation shield in the circuit board outer end leads to the shield to obstruct the ultrasonic wave propagation, influences the use of circuit board, and its dust cover mounting means is comparatively complicated.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an ultrasonic frequency control circuit board to solve among the prior art shield and block the problem that the ultrasonic wave propagated.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an ultrasonic frequency control circuit board, includes circuit board main part and protective cover, the up end of circuit board main part is provided with ultrasonic receiver and ultrasonic transmitter, the up end of protective cover is provided with the reinforcing groove, the bottom in reinforcing groove is provided with the dust guard, the up end edge of protective cover is provided with the dash receiver, the terminal surface is provided with first fixed plate in the lateral wall of protective cover, be provided with first screw on the first fixed plate, the outer terminal surface of lateral wall of protective cover is provided with the second fixed plate, be provided with the second screw on the second fixed plate, the up end of circuit board main part is provided with the through-hole, be provided with the bolt in the first screw, the protective cover passes the through-hole with the circuit board main part through the bolt and is connected with first screw.
Preferably, the quantity of reinforcing groove is two, the lateral wall of reinforcing groove is arc structure, and after wide-mouthed reinforcing groove received ultrasonic signal, transmitted to ultrasonic receiver via reinforcing groove reflection, reinforcing ultrasonic wave's receiving effect, ultrasonic transmitter sends the back with the ultrasonic wave, is outwards sent by reinforcing groove after the reflection of protective cover main part, and signal intensity is stronger, and the propagation is farther.
Preferably, the diameter of the bottom of the reinforcing groove is equal to the length of the overlooking side of the ultrasonic receiver and the ultrasonic transmitter, the overlooking center of the reinforcing groove is overlapped with the overlooking center of the ultrasonic receiver and the overlooking center of the ultrasonic transmitter, the reinforcing groove is ensured to correspond to the ultrasonic receiver and the ultrasonic transmitter, and the weakening of signals caused by dislocation is avoided.
Preferably, an annular V-shaped groove is formed between the dust guard and the reinforcing groove, and the dust guard effectively blocks dust rolling along with the reinforcing groove and prevents a dust layer from falling onto the ultrasonic transmitter and the ultrasonic receiver on the lower end face.
Preferably, the overlooking of the receiving board coincides with the overlooking of the protective cover, the height of the receiving board is higher than that of the upper end face of the reinforcing groove, a shallow groove is formed in the upper end faces of the receiving board and the protective cover, and signals are reflected and transmitted in the shallow groove to be beneficial to receiving the signals.
Preferably, be provided with the spring on the bolt, the protective cover passes through-hole and first screw cooperation spring elastic connection with the circuit board main part through the bolt, and the protective cover passes through spring elastic connection with the circuit board main part, avoids the protective cover to take place vibrations when receiving ultrasonic signal, influences the stability of circuit board main part.
Preferably, the lower terminal surface of first screw is provided with the fixed slot, the external diameter of overlooking of spring equals with the overlooking internal diameter of fixed slot, the overlooking internal diameter of fixed slot is greater than the overlooking internal diameter of first screw, during the installation protective cover, inverts the protective cover, then places the spring in the fixed slot, with circuit board main part back-off in the protective cover, then fixed with shield and circuit board main part through the bolt, the fixed slot helps the fixed of spring and fixes a position, makes things convenient for the installation of protective cover and circuit board main part.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a set up the reinforcing groove in the upper end of protective cover, help the sending and receiving of circuit board main part signal, strengthened the result of use of equipment greatly, fix and fix a position the spring through the fixed slot, make things convenient for the installation of circuit board main part and protective cover.
Drawings
FIG. 1 is a front cross-sectional view of the present invention;
fig. 2 is an enlarged view of the position B in fig. 1 according to the present invention;
fig. 3 is an enlarged view of a portion a in fig. 1 according to the present invention.
In the figure: 1 circuit board main part, 11 ultrasonic receiver, 12 ultrasonic transmitter, 13 first fixed plate, 131 first screw hole, 132 fixed slot, 14 second fixed plate, 141 second screw hole, 15 bolt, 151 spring, 16 through-hole, 2 protective cover, 21 reinforcing groove, 22 dust guard, 23 receiver plate.
Detailed Description
Referring to fig. 1, an ultrasonic frequency control circuit board includes a circuit board main body 1 and a protective cover 2, an ultrasonic receiver 11 and an ultrasonic transmitter 12 are welded on an upper end face of the circuit board main body 1, a reinforcing groove 21 is welded on an upper end face of the protective cover 2, a dust guard 22 is welded at the bottom of the reinforcing groove 21, a receiving plate 23 is welded on an edge of the upper end face of the protective cover 2, a first fixing plate 13 is welded on an inner end face of a side wall of the protective cover 2, a first screw hole 131 is formed in the first fixing plate 13, a second fixing plate 14 is welded on an outer end face of a side wall of the protective cover 2, a second screw hole 141 is formed in the second fixing plate 14, a through hole 16 is formed in the upper end face of the circuit board main body 1, a bolt 15 is screwed in the first screw hole 131, and the protective cover 2 and the circuit board main body 1 are connected through the bolt 15 and the through hole 16 and the first screw hole 131.
Referring to fig. 1, the number of the reinforcing grooves 21 is two, the side walls of the reinforcing grooves 21 are arc-shaped, the wide-mouth reinforcing grooves 21 receive ultrasonic signals, and then the ultrasonic signals are reflected and transmitted to the ultrasonic receiver 11 through the reinforcing grooves 21, so that the receiving effect of the ultrasonic waves is enhanced, the ultrasonic transmitter 12 transmits the ultrasonic waves, and then the ultrasonic waves are reflected by the protecting cover 2 and transmitted outwards through the reinforcing grooves 21, so that the signal intensity is stronger, and the transmission is farther.
Referring to fig. 2, an annular V-shaped groove is formed between the dust-proof plate 22 and the reinforcing groove 21, and the dust-proof plate 22 effectively blocks dust falling along the reinforcing groove 21 and prevents dust from falling onto the lower end surface ultrasonic transmitter 12 and the ultrasonic receiver 11.
Referring to fig. 3, a fixing groove 132 is formed on a lower end surface of the first screw hole 131, a top view outer diameter of the spring 151 is equal to a top view inner diameter of the fixing groove 132, the top view inner diameter of the fixing groove 132 is larger than the top view inner diameter of the first screw hole 131, when the protective cover 2 is installed, the protective cover 2 is inverted, the spring 151 is placed in the fixing groove 132, the circuit board main body 1 is reversely buckled in the protective cover 2, the dust cover 2 is fixed to the circuit board main body 1 through the bolt 15, and the fixing groove 132 facilitates fixing and positioning of the spring 151, so that the protective cover 2 is conveniently installed on the circuit board main body 1.
The working principle of the scheme is as follows: the utility model discloses when the installation, invert protective cover 2, then place spring 151 in fixed slot 132, with 1 left-hand thread of circuit board main part in protective cover 2, then it is fixed with shield 2 and circuit board main part 1 through bolt 15, it is fixed with second screw 141 and equipment through bolt 15, during the use, reinforcing groove 21 receives ultrasonic signal after, transmit to ultrasonic receiver 11 via reinforcing groove 21 reflection, reinforcing ultrasonic wave's receiving effect, ultrasonic transmitter 12 sends the back with the ultrasonic wave, outwards send by reinforcing groove 21 after being reflected by 2 main parts of protective cover, signal strength is stronger, the propagation is farther.
The utility model discloses a set up reinforcing groove 21 in the upper end of protective cover 2, help the sending and receiving of 1 signal of circuit board main part, strengthened the result of use of equipment greatly, fix and fix a position spring 151 through fixed slot 132, make things convenient for the installation of circuit board main part 1 and protective cover 2.
Claims (7)
1. The utility model provides an ultrasonic frequency control circuit board, includes circuit board main part (1) and protective cover (2), its characterized in that: the upper end face of the circuit board main body (1) is provided with an ultrasonic receiver (11) and an ultrasonic transmitter (12), the upper end surface of the protective cover (2) is provided with a reinforcing groove (21), the bottom of the reinforcing groove (21) is provided with a dust guard (22), a receiving plate (23) is arranged at the edge of the upper end face of the protective cover (2), a first fixing plate (13) is arranged on the inner end face of the side wall of the protective cover (2), a first screw hole (131) is arranged on the first fixing plate (13), a second fixing plate (14) is arranged on the outer end face of the side wall of the protective cover (2), a second screw hole (141) is arranged on the second fixing plate (14), a through hole (16) is arranged on the upper end surface of the circuit board main body (1), be provided with bolt (15) in first screw (131), protective cover (2) pass through-hole (16) and first screw (131) through bolt (15) with circuit board main part (1) and are connected.
2. An ultrasonic frequency control wiring board according to claim 1, characterized in that: the number of the reinforcing grooves (21) is two, and the side walls of the reinforcing grooves (21) are of circular arc structures.
3. An ultrasonic frequency control wiring board according to claim 1, characterized in that: the diameter of the bottom of the reinforcing groove (21) is equal to the length of the side of the ultrasonic receiver (11) and the ultrasonic transmitter (12) in a top view, and the top view center of the reinforcing groove (21) is superposed with the top view centers of the ultrasonic receiver (11) and the ultrasonic transmitter (12) respectively.
4. An ultrasonic frequency control wiring board according to claim 1, characterized in that: an annular V-shaped groove is formed between the dust guard (22) and the reinforcing groove (21).
5. An ultrasonic frequency control wiring board according to claim 1, characterized in that: the receiving plate (23) is overlapped with the protecting cover (2) in a top view, and the height of the receiving plate (23) is higher than the height of the upper end face of the reinforcing groove (21).
6. An ultrasonic frequency control wiring board according to claim 1, characterized in that: be provided with spring (151) on bolt (15), protective cover (2) pass through-hole (16) and first screw (131) cooperation spring (151) elastic connection through bolt (15) with circuit board main part (1).
7. An ultrasonic frequency control circuit board according to claim 6, characterized in that: the lower end face of the first screw hole (131) is provided with a fixing groove (132), the overlooking outer diameter of the spring (151) is equal to the overlooking inner diameter of the fixing groove (132), and the overlooking inner diameter of the fixing groove (132) is larger than the overlooking inner diameter of the first screw hole (131).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022642320.0U CN213818606U (en) | 2020-11-16 | 2020-11-16 | Ultrasonic frequency control circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022642320.0U CN213818606U (en) | 2020-11-16 | 2020-11-16 | Ultrasonic frequency control circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213818606U true CN213818606U (en) | 2021-07-27 |
Family
ID=76933564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022642320.0U Expired - Fee Related CN213818606U (en) | 2020-11-16 | 2020-11-16 | Ultrasonic frequency control circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213818606U (en) |
-
2020
- 2020-11-16 CN CN202022642320.0U patent/CN213818606U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210727 |