KR20100119156A - Vehicular lever switching unit - Google Patents

Abstract

The present invention relates to a semiconductor device comprising: a housing; A lever, one end of which is exposed inside the housing and the other end of the housing, the lever being movably disposed about the housing; A circuit unit disposed inside the housing; A switch unit having a fixed terminal disposed on one surface of the circuit unit, and a movable terminal disposed in the housing and movable together by operation of the lever; And a detent portion for stealing the operation of the lever, wherein the detent portion is disposed in the housing and includes a detent body having a plurality of detent waves on one side thereof, and a state of constant contact with the detent body. And a detent plunger portion having a ferromagnetic body or a magnetic body disposed to be received and disposed at an end of the lever, wherein the detent plunger portion is disposed inside the housing and interacts with the detent plunger portion by electromagnetic or magnetic force. And a lever switch for a vehicle having a detent movable force generating unit for providing a movable force to the tent plunger portion.

Description

Vehicle lever switch {VEHICULAR LEVER SWITCHING UNIT}

The present invention relates to a vehicle lever switch, and more particularly to a vehicle lever switch having a structure that can improve the user's operation feeling during operation and minimize or prevent the generation of noise.

Typically, a vehicle steering wheel assembly includes a steering wheel, a steering column, a steering roll connector assembly, a multifunction switch assembly, and the like. The steering wheel is for the driver to set the steering direction, the rotation of the steering wheel by the driver is transmitted to the wheel through the steering column to set the steering angle of the vehicle. In addition, a vehicle such as an automobile is required to function beyond various functions as a moving means as various convenient means for allowing a user to provide a more stable and comfortable driving state. Therefore, the vehicle is equipped with various convenience facilities and various switches for operating and controlling the same, and in consideration of the driver's operability, various switches tend to be concentrated in the steering unit.

For example, a steering wheel of a recently produced vehicle is provided with a window switch for opening and closing a window, a steering light switch for turning on / off a steering light, an audio switch for driving audio, a wiper switch for driving a wiper, and the like.

The multi-function switch assembly is equipped with lights, a gramper, a wiper, various audio devices, a vehicle window switch, and the like, which allows the driver to increase the operability of the various devices so that the front attention is not lost even during operation of the various devices. It is embodied as a button switch on top of it or as a vehicle lever switch on the side of the steering wheel.

In addition, recent advances in vehicle technology have led to significant advances in vehicle interior noise prevention technology, such as significantly reducing or eliminating vehicle noise perceived by the occupant in the vehicle interior during driving. Accordingly, the effect of the noise generated when the occupant operates the vehicle apparatus in the vehicle interior increases the driving comfort of the occupant. In particular, the lever switch according to the prior art uses a spring provided in the detent device that is used to maintain the position during rotation, a significant operation noise occurs during the rotation operation of the lever to hinder the driving feeling of the passenger sensitive to noise. In addition, the lever switch according to the prior art has a problem that the user's operation feeling is significantly reduced due to the rebound and the vibration resulting from the detent position operation by the elastic restoring force of the spring.

Accordingly, an object of the present invention is to provide a vehicle lever switch of a structure that prevents noise or vibration generated when a passenger operates the lever and enables continuous smooth operation.

The present invention for achieving the above object, a housing; A lever, one end of which is exposed inside the housing and the other end of the housing, the lever being movably disposed about the housing; A circuit unit disposed inside the housing; A switch unit having a fixed terminal disposed on one surface of the circuit unit, and a movable terminal disposed in the housing and movable together by operation of the lever; And a detent portion for stealing the operation of the lever, wherein the detent portion is disposed in the housing and includes a detent body having a plurality of detent waves on one side thereof, and a state of constant contact with the detent body. And a detent plunger portion having a ferromagnetic body or a magnetic body disposed to be received and disposed at an end of the lever, wherein the detent plunger portion is disposed inside the housing and interacts with the detent plunger portion by electromagnetic or magnetic force. And a lever switch for a vehicle having a detent movable force generating unit for providing a movable force to the tent plunger portion.

In the vehicle lever switch, the detent plunger portion includes: a detent plunger which is in constant contact with the detent body and the detent plunger, which is operated together with the detent plunger and is formed of a ferromagnetic or magnetic body and is movable at an end of the lever. It may be provided with a detent movable block.

In the vehicular lever switch, the detent movable force generating portion includes: a movable force generating portion bobbin disposed to face the detent plunger portion with the detent body interposed inside the housing, and the movable force generating portion bobbin. You may be provided with the movable force generation part coil arrange | positioned along a longitudinal direction.

In the vehicle lever switch, a detent movable force adjusting unit may be further provided to make electrical communication with the movable force generating unit coil and to change an electrical signal applied to the movable force generating unit coil.

In the vehicle lever switch, the movable force generating portion bobbin may be disposed in an arc shape.

In the vehicle lever switch, the detent movable force generating unit may be provided with a magnet which is fixedly positioned at an end of the lever and disposed to face the detent body with the detent plunger portion interposed therebetween.

The vehicle lever switch according to the present invention having the configuration as described above has the following effects.

First, the lever switch for a vehicle according to the present invention enables smooth and continuous lever operation by detent movable force through magnetic force or electromagnetic force, thereby remarkably reducing noise generated when the lever is operated, thereby improving a passenger's driving feeling. .

Secondly, the lever switch for a vehicle according to the present invention enables smooth and continuous lever operation by detent moving force through magnetic force or electromagnetic force, thereby significantly reducing vibration caused by recoil generated during lever operation, thereby feeling a feeling of lever operation of a passenger. It can also be improved.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the scope of the present invention. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

Hereinafter, a vehicle lever switch will be described with reference to the drawings.

FIG. 1 is a schematic exploded perspective view of a vehicle lever switch according to an embodiment of the present invention, and FIG. 2 is a schematic projection plan view of some components of a vehicle lever switch according to an embodiment of the present invention. 3 is a schematic exploded perspective view of the detent movable force generating unit of the lever switch for a vehicle according to an embodiment of the present invention, Figure 4 is a schematic exploded perspective view of the vehicle lever switch detent part according to an embodiment of the present invention 5 is a schematic perspective view of a vehicle lever switch including a detent movable force adjusting unit according to an embodiment of the present invention, and FIG. 6 is a view showing another example of a vehicle lever switch detent movable force generating unit of the present invention. A schematic exploded perspective view is shown, and FIG. 7 schematically shows a lever switch for a vehicle according to another embodiment of the present invention. An exploded perspective view is shown, and FIG. 8 shows a schematic projection plan view of some components of a lever switch for a vehicle according to another embodiment of the present invention.

The vehicle lever switch 10 according to an embodiment of the present invention includes a housing 100, a lever 400, a circuit unit 200, a switch unit 300, and a detent unit 500. 400 is movably mounted to the housing 100.

The housing 100 includes a housing cover 110 and a housing base 120, and the housing cover 110 and the housing base 120 are fastened to each other to form an internal space. The outer side of the housing cover 110 is provided with a housing cover mounting portion 111 and the outer side of the housing base 120 is provided with a housing base mounting portion 121, the housing cover mounting portion 111 and the housing base mounting portion 121 are mutually The mounting state of the housing base 120 and the housing cover 110 is firmly engaged. Here, the housing cover mounting portion may be a concave structure, and the housing base mounting portion may take a structure that is opposite to each other to take a protrusion structure. The housing cover 110 and the housing base 120 mesh with each other to form an interior space for accommodating other components. One side of the housing cover 110 is disposed a housing cover hinge 113 for supporting the rotation of the lever 400 to be described.

The circuit unit 200 is disposed inside the housing 100. In this embodiment, the circuit unit 200 has an insert injection molded into the housing base 120 to be integrally formed with the housing base 120. The circuit unit 200 is in electrical communication with a connector 210 having a plurality of circuit wires and electrical elements and disposed at a side end of the housing base 120. In the present exemplary embodiment, the circuit unit 200 may have an insert injection structure, but may have a structure in which a separate printed circuit board may be disposed in some cases.

One end of the lever unit 400 is disposed inside the housing 100, and the other end thereof is disposed to be exposed to the outside of the housing 100. The lever unit 400 is disposed to be movable around the housing 100. The lever unit 400 includes a lever knob 410 and a lever body 420, one end of the lever body 420 is disposed inside the housing part 100 and the other end is exposed to the outside of the housing 100. Is placed. The lever knob 410 is arranged to be axially rotatable about the longitudinal direction of the lever body 420. A knob grip groove 411 is formed on the outer surface of the lever knob 410 to improve a user's grip, and The degree of rotation can be recognized. A separate lever rotary knob may be further provided on the outer side of the lever knob 410, which is omitted since it is a structure provided in a conventional vehicle lever switch. A rotary shaft (not shown) connected to and connected to a separate lever knob 410 may be disposed in the lever body 410, and the housing 100 may further include a separate slide switch that cooperates with the rotary shaft. It may be.

A lever hinge 430 is disposed at one side of the lever body 420, and the lever hinge 430 is formed integrally with the lever body 420 and takes a structure to protrude. The lever hinge 430 is connected to the housing cover hinge 113 of the housing cover 110 to enable stable rotation of the lever 400.

The lever tip portion 440 is disposed at an end side of the lever body 410 disposed inside the housing 100 as one end of the lever body 410. The lever tip portion 440 is provided with a detent receiving portion 501 for receiving the components of the detent portion 500 to be described below. The lever tip part 440 is disposed at one end of the lever body 410, and the movable terminal 310 of the switch part 300, which is described below, is disposed at the lever tip part 440. The lever tip portion 440 is disposed to have a predetermined angle with the longitudinal direction of the lever body 410 so that the lever tip portion 440 is disposed on the operating plane of another component, for example, the detent portion 500, so that the smoothness is achieved. Enable detent operation.

The switch unit 300 includes a movable terminal 310 and a fixed terminal 320. The movable terminal 310 is operated together by the operation of the lever 400, and the fixed terminal 320 is the circuit board 200. It is disposed on one side of the. The movable terminal 310 is disposed at one end of the lever tip portion 440, and the movable terminal 310 rotates together with the lever tip portion 440 and the lever body 410 to form a rotational movement about the lever hinge 430. . Although not clearly shown here, a movable terminal terminal (not shown) is disposed below the movable terminal 310 to make electrical communication by directly contacting the fixed terminal 320 disposed on the circuit board 200. Therefore, when the lever body 410 and the lever tip portion 440 rotate about the lever hinge 430, the contact state between the plurality of fixed terminals 320 and the movable terminal 310 is changed to a predetermined operation desired by the user. Mode selection is possible.

The present invention can maintain the change in the operating state of the switch unit 300 according to the operation of the lever 400 in a certain case and can cause a change in the contact position between the movable terminal and the fixed terminal when the user desires and applies a predetermined force. Separate conversion and holding means. That is, the vehicle lever switch 10 according to the present invention includes a detent portion 500, which detents the operation of the lever 400. The detent part 500 includes a detent body 510, a detent plunger part 530, and a detent movable force generating part 540, which is disposed inside the housing 100. And a plurality of detent waves 511 on one side. The detenter plunger portion 520 forms a permanent contact state with the detent body 510 and includes a ferromagnetic body or a magnetic body that is movably received at the end of the lever 400, and the detent movable force generating unit 540 includes: It is disposed inside the housing 100 and interacts with the detent plunger parts 520 and 530 by electromagnetic force or magnetic force to provide a movable force to the detent plunger parts 520 and 530.

The detent body 510 is disposed in the interior of the housing 100, that is, the inner space formed by the housing cover 110 and the housing base 120, and the lever tip portion of the lever 400 into the housing 100. 440 is spaced apart to face. A detent wave 511 is disposed at one side of the detent body 510, and a plurality of detent waves 511 are provided to enable a plurality of positions when the lever 400 is rotated. The detent wave 511 has a detent groove 511-1 and a detent acid 511-2, and the position of the detent groove 511-1 or the detent 511-2 is determined by the movable terminal ( 310 and the fixed terminal 320 is designed based on the contact position with each other. In the present embodiment, the detent body 510 is formed separately from the housing base 120 and takes a structure to be mounted on the housing base 120. The detent body may take a structure formed as a single body with the housing base. Various variations are possible.

The detent plunger portions 520 and 530 are arranged to be in constant contact with the detent body 510, more specifically, the detent wave 511, and a part of the detent plunger portions 520 and 530 includes ferromagnetic materials or magnetic materials. The detent plunger bottom 520, 530 according to an embodiment of the present invention includes a detent plunger 520 and a detent movable block 530. The detent plunger 520 has a detent plunger body 521 and a detent plunger contact protrusion 523. The detent plunger body 521 is a rectangular block type, and has an inner space in which one end is opened and the other end is closed. Take the structure provided. An end of the detent plunger body 521 is movably received in the detent receiving portion 501 formed at the lever 400, more specifically at the end of the lever tip 440. In addition, the detent plunger contact protrusion 523 is disposed toward the detent body 510 to one end of the detent plunger body 521 and makes contact with the detent wave 511 of the detent body 510. The detent plunger contact protrusion 523 has a semicircular shape in order to form a smooth contact state upon contact with the detent wave 511. In this embodiment, the detent plunger 520 is formed of a predetermined soft synthetic resin or composite material having abrasion resistance to prevent damage due to abrasion upon contact with the detent wave 511 of the detent body 510. You may. A detent movable block 530 is disposed in the inner space of the detent plunger body 521, and a detent movable block protrusion 531 is protruded at one end of the detent movable block 530, and the detent movable block protrusion ( A corresponding portion of the detent plunger body 521 is provided at a corresponding position of the 531 so that the detent movable block 530 is stably disposed inside the detent plunger 520. Makes it possible. In some cases, the detent movable block protrusion 531 and its corresponding counterpart may have a structure that is forcibly fitted to each other. The detent movable block 530 is configured to press the detent plunger toward the detent body by the actuation force generated by the detent movable force generation unit described below, so that the detent movable block is operated together with the detent plunger.

The detent moving block 530 is formed of a ferromagnetic material or a magnetic material. In the present embodiment, the detent moving block 530 is formed of a ferromagnetic material. The detent movable block 530 is provided with a movable force for maintaining the contact state of the detent plunger and the detent wave under the influence of an electromagnetic field or a magnetic field formed nearby.

In some cases, a space may be formed in the detent movable block 530 as shown in FIG. 2, and the detent subelastic member 550 may be disposed in the inner space of the detent movable block 530. have. Here, the detent sub-elastic member 550 is composed of a coiled spring, the detent sub-elastic member 550 to prevent the free movement in the detent plunger of the detent movable block to prevent the occurrence of noise, etc. It is not a component that provides significant initial resilience to maintain the position of the lever in the detent plunger, like conventional springs. That is, even if the detent subelastic member 550 is disposed, it is possible to prevent the detent shock or noise that the user has previously felt when the lever 400 is operated.

The detent movable force generating unit 540 is disposed in the housing 100 and interacts with the detent plunger units 520 and 530 by electromagnetic or magnetic forces to provide a movable force to the detent plunger units 620 and 630, thereby providing a detent body ( A detent wave 511 of 510 and a detent plunger 520 form a normal contact state. The detent movable force generator 540 according to the present embodiment includes a movable force generator bobbin 547 and a movable force generator coil 541, and the movable force generator bobbin 547 detents into the housing 100. The body 510 is disposed to face the detent plunger portions 520 and 530 therebetween. The movable force generator bobbin 547 includes a movable force generator bobbin body 543 and a movable force generator bobbin rib 545, which is configured in a cylindrical shape and the movable force generator bobbin rib 545. Prevents unwanted separation from the movable force generator bobbin body 543 of the movable force generator coil 541 disposed at both ends of the movable force generator bobbin body 543. One side of the movable force generator bobbin rib 545 is provided with a movable force generator bobbin rib mounting portion 544, the movable force generator bobbin rib mounting portion 544 is engaged with the housing 100 or the detent body 510 is mounted. It takes a structure that is fixed in position, a variety of configurations are possible in the range to achieve a stable position inside the housing 100.

The movable force generator coil 541 is disposed along the longitudinal direction of the movable force generator bobbin 547, and the movable force generator coil 541 is disposed on the outer circumference of the movable force generator bobbin body 543. The movable force generator coil end 542 is disposed at the end of the movable force generator coil 541, and the movable force generator coil end 542 is in electrical communication with the circuit board 200 and the connector 210 to provide electrical signals from an external device. According to a predetermined electrical signal is input to form a predetermined electromagnetic field along the movable force generator coil 541 and the movable force generator bobbin body 543. That is, as shown in FIG. 2, when a predetermined electric signal is input to the movable force generator coil 541, an electromagnetic field / shown by an arrow of FIG. 2 is formed on the outer circumference of the movable force generator coil 541. A magnetic field is formed in which the detent movable block 530 disposed inside the detent plunger 520 and formed of a ferromagnetic material is under the influence of the magnetic field formed by the movable force generator coil 541. Therefore, the detent movable block 530 is moved toward the detent movable force generator 540, more specifically, the movable force generator coil 541. The detent movable block, and ultimately the detent plunger, is directed toward the detent movable force generator 540 in the longitudinal direction of the detent plunger portions 520 and 530 by a magnetic field generated according to a signal applied to the movable force generator coil 541. The attraction force is generated to form an always contact state with the detent wave of the detent body, and perform a smooth detent operation when the lever is rotated.

On the other hand, as a modification of one embodiment of the present invention, the detent movable force generating unit may take the structure shown in FIG. That is, the movable force generator bobbin 547-1 is formed in an arc having a predetermined curvature such as a radius R about one point, and the movable force generator coil 541-1 generates the movable force of the arc structure. The structure arranged in the secondary bobbin 547-1 may be taken. Through such a structure, the movable force generating unit also corresponds to the path of the detent movable block 530 of the detent plunger portion 520 and 530 disposed at the lever tip portion 440 which forms the pivot structure around the lever hinge 430. By providing the curvature, even when the lever 400 is rotated, the suction force, that is, the difference in the movable force to the detent moving block due to the magnetic field is prevented or minimized, so that the detent feeling is constant according to the rotation of the user's lever 400. You can also keep it.

In addition, the lever switch for a vehicle having a detent movable force generating unit according to the present invention may further include a component for changing the movable force generated in the detent movable force generating unit. That is, as shown in FIG. 5, the detent movable force adjusting unit 600 may be connected to the circuit board 200 of the lever switch for the vehicle. The detent movable force adjusting unit 600 may continuously adjust the potentiometer. It can be implemented as a switch element. As described above, the detent movable force adjusting unit 600 is adjusted by the user to change an electrical signal applied to the movable force generating unit coil 541 of the detent movable force generating unit 540 to be formed around the movable force generating unit coil 541. It is possible to change the strength of the magnetic field to be adjusted and ultimately adjust the movable force for moving the detent movable block toward the movable force generator coil 541 side.

In the above embodiment, the detent part of the lever switch for a vehicle according to the present invention has a structure including a movable force generating part coil forming an electromagnetic field, but the present invention is not limited thereto, and various modifications are possible. 7 and 8 show a schematic exploded perspective view and a partial projection plan view of a lever switch for a vehicle according to another embodiment of the present invention. Here, the same components as in the above embodiment will be denoted by the same reference numerals and the description thereof will be omitted, and the description will be given based on the detent movable force generating unit. The detent movable force generating unit 540a is disposed to be received and fixed at an end of the lever 400, and is disposed to face the detent body 510 with the detent plunger portions 520 and 530 interposed therebetween. That is, the detent movable force generating unit 540a is implemented with a magnet having a predetermined size, and the detent movable force generating unit 540a is formed of the detent receiving unit 501 formed at the end of the lever tip 440 of the lever 400. It is fixedly positioned at the inner end. In addition, the detent movable block 530a is implemented with a magnetic material disposed to face the same polarity as the detent movable force generator 540a. The detent movable block 530a itself may be formed of a magnetic material and disposed inside the detent plunger, but in some cases, various configurations are possible in the range of forming the repulsive force between the detent movable force generating units facing the same polarity. Do. Accordingly, as shown by the curve in FIG. 8, the detent movable block 530a is disposed together with the detent movable block 530a by a repulsive force formed between both via the same polarity between the detent movable block 530a and the detent movable force generating unit 540a. The detent plunger 520 maintains a constant contact with the detent wave 511 of the detent body 510 and achieves a smooth rotational movement during the rotation of the lever 400.

The above embodiments are examples for describing the present invention, but the present invention is not limited thereto. Various modifications are possible in a range in which the detent part achieves a smooth detent operation by magnetic force / electromagnetic force.

1 is a schematic exploded perspective view of a vehicle lever switch according to an embodiment of the present invention.

2 is a schematic projection plan view of some components of a lever switch for a vehicle according to an embodiment of the present invention.

3 is a schematic exploded perspective view of a detent movable force generating unit of a lever switch for a vehicle according to an embodiment of the present invention.

4 is a schematic exploded perspective view of a vehicle lever switch detent part according to an embodiment of the present invention.

5 is a schematic perspective view of a lever switch for a vehicle having a detent movable force adjusting unit according to an exemplary embodiment of the present invention.

6 is a schematic exploded perspective view of another example of the vehicle lever switch detent movable force generator of the present invention.

7 is a schematic exploded perspective view of a lever switch for a vehicle according to another embodiment of the present invention.

8 is a schematic projection top view of some components of a lever switch for a vehicle according to another embodiment of the present invention.

* Description of the symbols for the main parts of the drawings *

10 ... vehicle lever switch 100 ... housing

200 ... circuit board 300 ... switch section

400 ... Lever 500 ... Detent Part

510 Detent Body 520 Detent Plunger

530 ... detent movable block 540 ... detent movable force generating section

600 ... Detent Mobility Control

Claims (6)

housing; A lever, one end of which is exposed inside the housing and the other end of the housing, the lever being movably disposed about the housing; A circuit unit disposed inside the housing; A switch unit having a fixed terminal disposed on one surface of the circuit unit, and a movable terminal disposed in the housing and movable together by operation of the lever; And a detent portion for stealing the operation of the lever. The detent portion: A detent body disposed inside the housing and having a plurality of detent waves on one side; A detent plunger portion which forms a permanent contact state with the detent body and has a ferromagnetic body or a magnetic body that is movably received and disposed at an end of the lever; And a detent movable force generating unit disposed inside the housing and providing a movable force to the detent plunger portion by interacting with the detent plunger portion by electromagnetic force or magnetic force. The method of claim 1, The detent plunger portion: A detent plunger which is in constant contact with the detent body; And a detent movable block that is moved together with the detent plunger and is formed of a ferromagnetic or magnetic body and is movably disposed at an end of the lever. The method of claim 1, The detent movable force generating unit: A movable force generating portion bobbin disposed to face the detent plunger portion with the detent body interposed into the housing; And a movable force generator coil disposed along the longitudinal direction of the movable force generator bobbin. The method of claim 3, wherein And a detent movable force adjusting unit which is in electrical communication with the movable force generating unit coil and can change an electrical signal applied to the movable force generating unit coil. The method of claim 3, wherein The movable force generating section bobbin is a vehicle lever switch, characterized in that arranged in arc. The method of claim 1, The detent movable force generating unit: Positionally fixed to the end of the lever is arranged to receive, And a magnet disposed to face the detent body with the detent plunger portion therebetween.

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