TWM565658U - Telescopic speaker device - Google Patents

Abstract

The present invention relates to a telescopic horn device, which comprises a base, a lifting and controlling mechanism, a speaker, a magnetic component and a Hall sensor, and the lifting and controlling mechanism is mounted on the base, and the lifting and controlling device The mechanism comprises a controller, an actuator electrically connected to the controller, a transmission wheel driven by the actuator and a lifting screw screwed to the transmission wheel; the speaker is connected to the lifting screw and follows the lifting The screw is actuated; the magnetic component is fixed to the transmission wheel; the Hall sensor is corresponding to the transmission wheel configuration, and the Hall sensor is used to calculate the number of times the magnetic component passes to generate a signal, and the controller controls the actuator to drive the transmission wheel to rotate or stop after receiving the signal. The telescopic horn device has the advantages of simple assembly components and reduced assembly costs.

Description

Telescopic horn device

This creation relates to a horn structure for a vehicle, and more particularly to a telescopic horn device.

According to the lifting horn, the visual appearance of the interior of the car can be increased when it is concealed. When it is used up, the sound quality and sound effect can be improved. Therefore, it is quite common and common to install the lifting horn in the interior of the car.

Therefore, a telescopic horn structure appears on the market, which uses a motor-driven telescopic mechanism to move and retract, and then fixes the horn to the end of the telescopic mechanism and follows the telescopic mechanism to move, so that the horn can be selectively protruded or embedded in the panel according to the demand. Or the door.

However, the above-mentioned telescopic horn structure needs to install a plurality of position sensors in a plurality of internal positions to understand the current position of the horn, so as to judge that the motor needs to continue to drive the telescopic mechanism to drive the horn to lift or stop the power, but the telescopic horn is caused. The structure creates a problem that the assembly components are complicated and the assembly cost is high.

In view of this, the creator has made great efforts to solve the above problems by focusing on the above-mentioned prior art, and has devoted himself to the application of the theory, that is, the goal of the creator's improvement.

The present invention provides a telescopic horn device that replaces a plurality of conventional position sensors with a magnetic component and a Hall sensor, so that the telescopic horn device has the advantages of simple assembly components and reduced assembly cost.

In the present embodiment, the present invention provides a telescopic horn device, comprising: a pedestal; a lifting and controlling mechanism mounted on the pedestal, the lifting and controlling mechanism includes a controller electrically connected thereto An actuator of the controller, a transmission wheel driven by the actuator, and a lifting screw screwed to the transmission wheel; a speaker connected to the lifting screw and following the lifting screw; at least a magnetic component fixed to the transmission wheel; and a Hall sensor corresponding to the transmission wheel, wherein the Hall sensor is used to calculate the number of passes of the magnetic component to generate a signal, and the controller receives the signal and controls the signal The actuator drives the transmission wheel to rotate or stop.

Based on the above, the plurality of magnetic elements are circumferentially arranged on the transmission wheel at equal intervals. When the number of magnetic elements is larger, the controller can more accurately know the current position of the speaker, so that the controller can more accurately control the lifting and lowering of the speaker.

10‧‧‧Retractable speaker unit

1‧‧‧Base

11‧‧‧ front housing

111‧‧‧Pre-positioning block

112‧‧‧Support frame

113‧‧‧ top board

114‧‧‧through hole

12‧‧‧ Rear housing

121‧‧‧ Rear positioning block

2‧‧‧ Lifting Control Agency

21‧‧‧ Controller

22‧‧‧Actuator

221‧‧‧Electric motor

222‧‧‧ worm

23‧‧‧Drive wheel

231‧‧‧ Groove

232‧‧‧ hollow mouth

233‧‧‧ internal thread

234‧‧‧External gear

24‧‧‧ Lifting screw

241‧‧‧ external thread

25‧‧‧Bundle

251‧‧‧ hemisphere

3‧‧‧Speakers

4‧‧‧Magnetic components

5‧‧‧ Hall sensor

6‧‧‧Fixed sleeve

61‧‧‧Limited guide channel

62‧‧‧Spiral groove

Figure 1 is a perspective view of the telescopic horn device of the present invention.

Figure 2 is an exploded perspective view of the telescopic horn device of the present invention.

Figure 3 is an exploded perspective view of the fixed sleeve, the drive wheel and the lift screw of the present invention.

Fig. 4 is a schematic view showing the state of use of the telescopic horn device of the present invention.

FIG. 5 is a schematic view showing another use state of the telescopic horn device of the present invention.

The detailed description and technical content of the present invention will be described below in conjunction with the drawings, but the drawings are for illustrative purposes only and are not intended to limit the present invention.

Referring to FIG. 1 to FIG. 5 , the present invention provides a telescopic horn device. The telescopic horn device 10 mainly includes a base 1 , a lifting and lowering control mechanism 2 , a speaker 3 , and a plurality of magnetic components 4 . And a Hall sensor 5.

As shown in FIG. 1 to FIG. 2, the base 1 includes a front housing 11 and a rear housing 12 which are assembled to each other. The front housing 11 has a plurality of front positioning blocks 111 arranged longitudinally therein, and the rear housing 12 has a rear portion. The plurality of rear positioning blocks 121 are longitudinally arranged, and the front housing 12 has a support frame 112 and a top plate 113 extending above the plurality of front positioning blocks 121. The support frame 112 is disposed between the plurality of front positioning blocks 121 and the top plate 113, and the top plate 113 A through hole 114 is provided.

As shown in FIG. 1 to FIG. 5, the lifting and lowering control mechanism 2 is mounted on the base 1. The lifting and lowering control mechanism 2 includes a controller 21, an actuator 22 electrically connected to the controller 21, and driven by the actuator 22. A rotating transmission wheel 23 and a lifting screw 24 that is screwed to the transmission wheel. among them.

In addition, the actuator 22 includes a motor 221 and a worm 222 driven by the motor 221. The transmission wheel 23 is received and limited to the support frame 112. The outer circumference of the transmission wheel 23 is provided with a plurality of grooves 231 at equal intervals. The transmission wheel 23 is provided with a hollow port 232 and an inner thread 233 is formed on the inner wall of the hollow port 232. The outer circumference of the transmission wheel 23 has an external gear 234, and the worm 222 and the external gear 234 are engaged with each other, thereby enabling the motor 221 to be driven. The drive wheel 23 rotates. Among them, the motor 221 is a motor.

Furthermore, the lifting screw 24 is disposed in the hollow port 232 of the transmission wheel 23. The lifting screw 24 is provided with an external thread 241, and the internal thread 233 and the external thread 241 are screwed to each other, so that when the transmission wheel 23 rotates, the lifting screw is lifted. 24 is movable relative to the drive wheel 23.

In addition, the lifting and lowering control mechanism 2 further includes a bundle of rings 25, and the collar 25 is sleeved at one end of the lifting screw 24 away from the transmission wheel 23. The outer surface of the collar 25 extends with a plurality of hemispheres 251.

As shown in FIGS. 1 to 2 and 4 to 5, the speaker 3 is disposed above the top plate 113 of the front case 12, and the speaker 3 is coupled to one end of the lift screw 24 away from the collar 25 and is operated following the lift screw 24. .

As shown in FIG. 1 to FIG. 5, the magnetic element 4 is fixed to the transmission wheel 23. As described in detail below, the number of the magnetic elements 4 of the present embodiment is plural, and the magnetic elements 4 are embedded in the grooves 231 of the transmission wheel 23. The plurality of magnetic elements 4 are looped on the drive wheel 23 in an equally spaced manner. Each of the magnetic elements 4 is a magnet.

As shown in FIGS. 1 to 5, a Hall sensor 5 is disposed corresponding to the transmission wheel 23, and the Hall sensor 5 enables the Hall sensor 5 to be used for calculation by converting the changed magnetic field into a change in the output voltage. The number of times the magnetic element 4 passes generates a signal, and after the controller 21 receives the signal, the control actuator 22 drives the transmission wheel 23 to rotate or stop, that is, the controller 21 transmits the signal to know the current position of the lifting screw 24, thereby determining the lift. The screw 24 needs to continue to move or stop.

As shown in FIG. 1 to FIG. 5, the telescopic horn device 10 of the present invention includes a fixing sleeve 6 which is mounted on the base 1 and disposed under the transmission wheel 23. The lifting screw 24 is disposed and fixed to the fixed position. Sleeve 6.

Further, the inner wall of the fixing sleeve 6 is provided with a plurality of limiting guide grooves 61, and the respective hemispherical bodies 251 are respectively fitted and slid to the respective limiting guide grooves 61, so that the traction lifting screw 24 can only be relative to the transmission wheel. 23. The fixed sleeve 6 is linearly translated up and down.

In addition, the fixing sleeve 6 is sandwiched and positioned between the plurality of front positioning blocks 111 and the plurality of rear positioning blocks 121, and the lifting screws 24 are sequentially disposed on the fixing sleeve 6, the support frame 112 and the through holes 114.

In addition, each of the limiting guide grooves 61 of the embodiment is a spiral groove 62, so that the speaker 3 is rotated in the rotation direction relative to the base 1 , but not limited thereto, and each of the limiting guide grooves 61 is also It is possible to stand upright so that the speaker 3 is translated up and down with respect to the base 1 in a straight line.

As shown in FIG. 4 to FIG. 5, in the state of use of the telescopic horn device 10, when the power is turned on during use, the motor 221 is caused to drive the transmission wheel 23 to rotate, and the transmission wheel 23 drives the lifting screw 24 to rotate and the upper and lower lines. After the translation, the Hall sensor 5 calculates the number of passes of the magnetic element 4 to generate a signal, and the controller 21 receives the signal to understand the number of turns of the transmission wheel 23 through the signal, thereby calculating The position of the lifting screw 24 is currently moved to determine whether the lifting screw 24 reaches the dead center position. If the dead center position is not reached, the controller 21 controls the actuator 22 to drive the transmission wheel 23 to continue to rotate. If the dead center position is reached, the controller 21 Control actuator 22 is powered off and stops.

Therefore, the presently-developed telescopic horn device 10 replaces the conventional plurality of position sensors with the magnetic element 4 and the Hall sensor 5, so as to achieve the same purpose of understanding the position of the speaker 3 and controlling the lifting and lowering of the speaker 3, and the telescopic horn device 10 has the advantages of simple assembly components and reduced assembly costs.

In addition, the plurality of magnetic elements 4 are annularly arranged on the transmission wheel 23 at equal intervals. When the number of the magnetic elements 4 is larger, the controller 21 can more accurately know the number of rotations of the transmission wheel 23, that is, the controller 21 is more The current position of the speaker 3 is finely known, so that the controller 21 can more accurately control the elevation of the speaker 3.

In summary, the telescopic horn device of the present invention can achieve the intended purpose of use, and solve the lack of conventional knowledge, and has industrial utilization, novelty and progress, fully conforms to the patent application requirements, and is proposed according to the patent law. To apply, please check and grant the patent in this case to protect the rights of the creator.

Claims (10)

A telescopic horn device includes: a pedestal; a lifting and lowering control mechanism mounted on the pedestal, the hoisting and urging mechanism includes a controller, an actuator electrically connected to the controller, and is actuated a driving wheel that rotates and a lifting screw that is screwed to the driving wheel; a speaker coupled to the lifting screw and following the lifting screw; at least one magnetic component fixed to the transmission wheel; A Hall sensor is disposed corresponding to the transmission wheel. The Hall sensor is configured to calculate the number of passes of the magnetic component to generate a signal. After receiving the signal, the controller controls the actuator to drive the transmission wheel to rotate or stop. The telescopic horn device of claim 1, further comprising a fixing sleeve mounted on the base and disposed under the transmission wheel, the lifting screw being disposed and limited to the fixing sleeve . The telescopic horn device of claim 2, wherein the lifting and lowering control mechanism further comprises a bundle ring, the bundle ring is sleeved at an end of the lifting screw away from the transmission wheel, and the outer surface of the bundle ring extends a plurality of hemispheres The inner wall of the fixing sleeve is provided with a plurality of limiting guide grooves, each of the hemispheres is respectively fitted and slidably moved to each of the limiting guiding grooves, and each of the limiting guiding grooves is a spiral groove, and the speaker is connected The lifting screw is away from one end of the collar. The telescopic horn device according to claim 3, wherein the number of the magnetic elements is plural, and the plurality of magnetic elements are annularly arranged on the transmission wheel at equal intervals. The telescopic horn device of claim 4, wherein the outer circumference of the transmission wheel is provided with a plurality of grooves in an equally spaced manner, and each of the magnetic elements is embedded in each of the grooves. The telescopic horn device of claim 1, 2, 3, 4 or 5, wherein the transmission wheel is provided with a hollow port and an internal thread is provided from an inner wall of the hollow port, and the lifting screw is disposed in the hollow The lifting screw is provided with an external thread, and the internal thread is screwed to the external thread. The telescopic horn device of claim 2, 3, 4 or 5, wherein the base comprises a front casing and a rear casing which are assembled to each other, and the front casing has a plurality of front positioning blocks arranged longitudinally The rear housing has a plurality of rear positioning blocks arranged longitudinally, and the fixing sleeve is sandwiched and positioned between the plurality of front positioning blocks and the plurality of rear positioning blocks. The telescopic horn device of claim 7, wherein the front casing has a support frame and a top plate extending above the plurality of front positioning blocks, the support frame being disposed between the plurality of front positioning blocks and the top plate, The top plate is provided with a through hole, and the lifting screw is sequentially disposed on the fixing sleeve, the supporting frame and the through hole, and the speaker is disposed above the top plate. The telescopic horn device of claim 8, wherein the transmission wheel is received and limited to the support frame. The telescopic horn device of claim 9, wherein the actuator comprises a motor and a worm driven by the motor, the outer circumference of the transmission wheel has an external gear, and the worm meshes with the external gear.