KR20160044727A - Sensing apparatus of hood open for vehicle - Google Patents

Sensing apparatus of hood open for vehicle Download PDF

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Publication number
KR20160044727A
KR20160044727A KR1020140139454A KR20140139454A KR20160044727A KR 20160044727 A KR20160044727 A KR 20160044727A KR 1020140139454 A KR1020140139454 A KR 1020140139454A KR 20140139454 A KR20140139454 A KR 20140139454A KR 20160044727 A KR20160044727 A KR 20160044727A
Authority
KR
South Korea
Prior art keywords
latch
hood
base plate
coupled
housing
Prior art date
Application number
KR1020140139454A
Other languages
Korean (ko)
Inventor
윤충렬
Original Assignee
현대자동차주식회사
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 현대자동차주식회사 filed Critical 현대자동차주식회사
Priority to KR1020140139454A priority Critical patent/KR20160044727A/en
Publication of KR20160044727A publication Critical patent/KR20160044727A/en

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B79/00—Mounting or connecting vehicle locks or parts thereof
    • E05B79/02—Mounting of vehicle locks or parts thereof
    • E05B79/08—Mounting of individual lock elements in the lock, e.g. levers
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/54—Electrical circuits
    • E05B81/64—Monitoring or sensing, e.g. by using switches or sensors
    • E05B81/66—Monitoring or sensing, e.g. by using switches or sensors the bolt position, i.e. the latching status
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B83/00—Vehicle locks specially adapted for particular types of wing or vehicle
    • E05B83/16—Locks for luggage compartments, car boot lids or car bonnets
    • E05B83/24—Locks for luggage compartments, car boot lids or car bonnets for car bonnets

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  • Superstructure Of Vehicle (AREA)

Abstract

More particularly, the present invention relates to a hood opening detecting device provided at a front portion of a vehicle body, and more particularly to a hood opening detecting device coupled to one side of a latch and coupled to a motion portion and a base plate rotated together with a latch, And the sensing unit is not in contact with the sensing unit. Therefore, it is possible to prevent a quality problem due to assembly / manufacturing dispersion and to reduce the degree of freedom of the vehicle layout And a hood open sensing device which is easy to horizontally deploy.

Description

≪ Desc / Clms Page number 1 > SENSING APPARATUS OF HOOD OPEN FOR VEHICLE &

More particularly, the present invention relates to a hood opening detecting device provided at a front portion of a vehicle body, and more particularly to a hood opening detecting device coupled to one side of a latch and coupled to a motion portion and a base plate rotated together with a latch, And a sensing unit for sensing the rotation of the sensing unit and transmitting it to the BCM of the vehicle through the lead wire unit, wherein the sensing unit and the motion unit are not in contact with each other.

In general, a hood panel is mounted on the upper part of the engine room arranged at the front part of the vehicle to prevent engine noise in the engine room and to protect the engine room.

Such a hood panel is provided with a striker formed to be able to be hung on the hood latch, one side of which is connected to the vehicle body via a hood hinge, and the other side thereof is selectively opened .

Normally, the hood latch is a locking and unlocking means for opening and closing the hood panel. The hood latch is constituted by a secondary locking structure for preventing the hood panel from being opened when the hood panel is closed, do.

The hood latch is disposed on the lower side of the front end of the hood panel and is disposed on the vehicle body side, and functions to catch or release the striker mounted on the hood panel using a safety hook or the like.

The reason why the hood panel has the two-stage locking structure is to prevent the hood panel from being detached from the vehicle body by the running wind instantaneously when the vehicle is running at a high speed without the hood latch being completely locked.

In addition, the hood latch is provided with a hood open sensing device for detecting a driver's accidental riding in a state in which the hood panel is not completely closed, thereby preventing a safety accident of the vehicle.

Such a conventional hood open sensing device is divided into a star type switch type sensing device, a micro switch type sensing device, and a bar type switch type sensing device.

The micro switch type sensing device and the bar type switch type sensing device may include a micro switch type micro switch provided in the hood latch, The switch and the bar type switch detect the movement of the pawl or the latch and detect the opening of the hood panel.

Conventionally, however, the hood open sensing device is contact-driven to sense the opening of the hood panel by transferring the movement of the components (hood panel, pawl or latch, etc.) to the switch, It is a problem that we have to embed the quality problem for the.

In addition, the conventional micro-switch type sensing device is required to have a high precision for manufacturing micro-switches and is expensive. Conventional star-shaped switch type sensing devices and bar type switch type sensing devices are limited in horizontal expansion due to size and vehicle layout problems. There is a problem that it follows.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the problems of the prior art described above, and it is an object of the present invention to prevent the moving part and the sensing part from being in contact with each other so as to prevent quality problems due to assembly / The hood opening sensing device according to claim 1,

In addition, the present invention provides a hood open sensing device that can be easily expanded horizontally by securing a degree of freedom of layout of a vehicle by reducing the number of components and reducing the production cost compared to the conventional hood open sensing device, There is a purpose.

The technical objects to be achieved by the present invention are not limited to the above-mentioned technical problems, and other technical subjects which are not mentioned can be clearly understood by those skilled in the art from the description of the present invention .

According to an aspect of the present invention, there is provided a hood open sensing device for a hood latch, including a base plate mounted on a front portion of a vehicle body and a latch rotatably mounted on the base plate, A moving part coupled to the one side and rotated with the latch according to the rotation of the latch; And a sensing unit coupled to the base plate for sensing rotation of the motion unit and transmitting the detected motion to a BCM (Body Control Module) of the vehicle through the lead wire unit. Wherein the moving part and the sensing part are not in contact with each other.

Further, in the hood open sensing apparatus according to the embodiment of the present invention, the moving part is preferably a permanent magnet to be inserted into the latch.

In the hood open sensing apparatus according to an embodiment of the present invention, the sensing unit may include: a housing coupled to the base plate and having a space formed therein along a longitudinal direction; A slider accommodated in the inner space of the housing and slidable in accordance with rotation of the moving part; And a first grounding part and a second grounding part, which are coupled along a longitudinal direction to a part of the inner space of the housing, one end of which is connected to the lead wire part; As the slider slides, it is preferable that the first ground and the second ground are energized or short-circuited.

In addition, in the hood open sensing device according to the embodiment of the present invention, the inner space of the housing is formed such that the cross-sectional area of one side thereof is relatively narrower than the cross-sectional area of the other side thereof, and the first grounding portion and the second grounding portion have a relatively narrow cross- And are arranged facing each other with an inclination angle adjacent to each other.

Further, in the hood open sensing apparatus according to the embodiment of the present invention, the housing is preferably inclined to the base plate so as to correspond to the rotation radius of the motion part coupled to the latch.

According to the present invention having the above-described structure, unlike the conventional hood open sensing device, the movement part and the sensing part are not in contact with each other, thereby preventing quality problems due to mismatching and assembling / manufacturing scattering resulting from contact movement.

In addition, according to the present invention, the moving part is constituted by a permanent magnet inserted into the latch, and the simple structure sensing part is coupled to the base plate, thereby reducing the number of parts compared to the conventional hood open sensing device.

In addition, the present invention is smaller in size than the conventional hood open sensing device, and the existing hood latch can be used as it is, which allows the degree of freedom of the layout of the vehicle to be secured, and there is no restriction on horizontal deployment.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view showing a developed state of each part of a hood latch according to an embodiment of the present invention; FIG.
FIG. 2 is an exploded perspective view and an enlarged view showing a state of a hood open sensing device when the hood latch is in a locked state according to an embodiment of the present invention; FIG.
3 is a front view of a projection showing a state of a sensing unit according to an embodiment of the present invention;
4 is a cross-sectional view taken along line AA 'of FIG. 3;
5 is an exploded perspective view and an enlarged view showing a state of the hood open sensing device when the hood latch according to the embodiment of the present invention is in the unlocked state;
6 is a cross-sectional view taken along line BB 'of FIG. 5;

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings in order that the present invention can be easily carried out by those skilled in the art. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In order to clearly illustrate the present invention, parts not related to the description are omitted, and the same or similar components are denoted by the same reference numerals throughout the specification.

In addition, terms and words used in the present specification and claims should not be construed to be limited to ordinary or dictionary meanings, and the inventor should properly define the concept of the term to describe its invention in the best way. It should be construed as meaning and concept consistent with the technical idea of the present invention.

FIG. 1 is an exploded perspective view showing a developed part of a hood latch according to an embodiment of the present invention.

1, the hood latch includes a base plate 10 mounted on the front half of the vehicle, a safety hook 12 pivotably coupled to the base plate 10 through a hook pin 12a, A latch 14 rotatably coupled to the base plate 10 through a latch pin 14b and a pawl 16 pivotally coupled to the base plate 10 through a polyp 16a.

A guide groove 10a is formed on the upper side of the base plate 10 so that a striker (not shown) coupled to the hood panel can enter the guide groove 10a through the safety hook 12 .

The striker that has entered the guide groove 10a of the base plate 10 is completely locked by the annular groove 14a of the latch 14 and the latch 14 is caught by the pawl 16 to be temporarily stopped .

At this time, if the driver wishes to release the locking state of the latch 14, he / she can press the hood release button (not shown) inside the vehicle connected to the pawl 16 via a wire (not shown).

That is, when the driver presses the hood release button (not shown), the pawl 16 overcomes the elastic force of the pawl spring (not shown) and is rotated in the clockwise direction in the illustrated embodiment, So that the latch 14 is restored in the clockwise direction in the illustrated embodiment, so that the striker (not shown) is released from the latch 14.

At this time, even if the striker (not shown) is released from the latch 14, the lock is not completely released by the safety hook 12, and the lock is completely released when the driver manually rotates the striker.

FIG. 2 is an exploded perspective view and an enlarged view showing a state of the hood open sensing device when the hood latch according to the embodiment of the present invention is in the locked state, FIG. 3 is a view 4 is a cross-sectional view taken along the line AA 'in Fig. 3. As shown in Fig.

2, a moving portion 20 which is rotated together with the latch 14 is coupled to one side (lower right end in the illustrated embodiment) of the latch 14 according to the rotation of the latch 14, The sensing unit 30 is coupled to the base plate 10 to detect the rotation of the motion unit 20 and transmit the BCM to a body control module (not shown) of the vehicle through the lead wire unit 40.

Unlike the switch of the conventional hood open sensing device, the motion unit 20 and the sensing unit 30 are not in contact with each other, and the motion of the motion unit 20 is recognized by the sensing unit 30 in a non-contact manner.

More specifically, the moving part 20 is preferably a permanent magnet to be inserted into the latch 14, and in response to the magnetic force of the moving part 20 made of a permanent magnet, the sensing part 30 applies the lead wire part 40 / Short circuit to detect the opening of the hood panel (not shown).

3 and 4, the sensing unit 30 includes a housing 31 coupled to the base plate 10 and having a space 32 formed along the length thereof, A slider 34 housed in an inner space 32 of the housing 31 and slidable along the rotation of the moving part 20 and a plurality of sliders 34 coupled to a part of the inner space 32 of the housing 31 along the longitudinal direction, And a first grounding part 35 and a second grounding part 36 connected to the lead wire part 40.

In the illustrated embodiment, the housing 31 is coupled to the base plate 10 by a pair of rivets 33, and the rear surface of the base plate 10, i.e., between the base plate 10 and the latch 14 Lt; / RTI >

The slider 34 is slidably received in the inner space 32 of the housing 31 according to the rotation of the moving part 20. In the illustrated embodiment, the slider 34 is formed as a metal ball .

Of course, it will be appreciated that the designer of the hood open sensing device according to the present invention can form the slider 34 in various forms according to the type of vehicle, the structure of the hood latch, and the like.

A first grounding part 35 and a second grounding part 36 are coupled to the upper part of the inner space 32 of the housing 31 along the longitudinal direction and a lower part of the inner space 32 of the housing 31 The first grounding portion 35 and the second grounding portion 36 are buried in the housing 31 without being extended.

This is because when the latch 14 is in the locked state, the first grounding portion 35 and the second grounding portion 36 are short-circuited via the slider 34 without being energized, So as not to transmit.

At this time, the first grounding part 35 and the second grounding part 36 have different electrodes, and if the first grounding part 35 has a positive electrode, the second grounding part 36 has an electrode If the first grounding part 35 has a negative electrode, the second grounding part 36 has a positive electrode.

FIG. 5 is an exploded perspective view and an enlarged view showing a state of the hood open sensing device when the hood latch according to the embodiment of the present invention is in the unlocked state, and FIG. 6 is a sectional view taken along the line BB ' .

As shown in Fig. 5, when the driver accidentally does not completely close the hood panel (not shown) or when the hood panel is opened primarily by the running wind, the latch 14 is rotated in the clockwise direction in the illustrated embodiment , So that the moving part 20 also rotates clockwise.

This rotation of the moving part 20 causes the slider 34 in the sensing part 30 to move upward in the illustrated embodiment and thereby contact the first ground part 35 and the second contact part, Thereby energizing the part.

6, the inner space 32 of the housing 31 is formed in such a shape that the cross-sectional area of one side is relatively narrower than the cross-sectional area of the other side, and the first and second grounding portions 35, 36 are disposed facing each other with an inclination angle adjacent to the inner space 32 having a relatively narrow cross-sectional area.

That is, the inner space 32 of the housing 31 has a trapezoidal or triangular cross-section. Optionally, a portion of the inner space 32 having a relatively narrow cross-sectional area is referred to as an upper surface 32a, A portion having a relatively large cross-sectional area will be referred to as a lower surface 32b.

The first grounding portion 35 and the second grounding portion 36 are disposed facing each other at an inclination angle with respect to the upper surface 32a of the inner space 32. This is because the energization by the slider 34 The slider 34 is surely brought into contact with the first grounding portion 35 and the second grounding portion 36 from the upper surface 32a of the inner space 32 to ensure reliable energization.

The upper surface 32a of the inner space 32 is formed to have a width equal to or slightly smaller than the diameter of the slider 34 and the lower surface 32b of the inner space 32 is formed to have a width smaller than that of the slider 34, It is preferable to have a width slightly larger than the diameter of the protrusions.

2 and 5, the housing 31 is tilted and coupled to the base plate 10 so as to correspond to the turning radius of the moving part 20 coupled to the latch 14 desirable.

That is, the moving part 20 coupled to the latch 14 moves in an arc in a clockwise or counterclockwise direction in accordance with the rotation of the latch 14. When the sensing part 30 is attached to the turning radius of the moving part 20, It is preferable that the housing 31 is slantingly engaged.

It is preferable that the length of the housing 31 is formed to be substantially equal to the length of a circular path through which the moving part 20 is moved. The designer of the hood open sensing device according to the present invention may be configured such that the layout of the base plate 10, The length of the housing 31 can be determined in consideration of the movement of the housing 31 and the like.

The hood open sensing apparatus according to the present invention configured as described above is configured to transmit movement by the magnetic force without contacting the moving unit 20 and the sensing unit 30, It is possible to fundamentally prevent quality problems due to assembly / fabrication scattering resulting from transmission.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention. Will be apparent to those of ordinary skill in the art.

10: base plate 10a: guide groove
12: safety hook 12a: hook pin
14: latch 14a: ring groove
14b: latch pin 16: pole
16a: polpin 20:
30: sensing part 31: housing
32: inner space 32a: upper surface of the inner space
32b: lower surface of the inner space 33: rivet
34: slider 35: first ground portion
36: second ground portion 40: lead wire portion

Claims (5)

A hood open sensing device for a hood latch comprising: a base plate mounted on a front portion of a vehicle body; and a latch rotatably mounted on the base plate,
A moving part coupled to one side of the latch and rotated together with the latch according to rotation of the latch; And
A sensing unit coupled to the base plate, sensing a rotation of the motion unit, and transmitting the BCM to a body control module of the vehicle through a lead wire unit; / RTI >
Wherein the motion unit and the sensing unit are not in contact with each other.
The method according to claim 1,
Wherein the moving part is a permanent magnet inserted into the latch.
The apparatus of claim 1,
A housing coupled to the base plate and having a space formed therein along the longitudinal direction;
A slider accommodated in the inner space of the housing and slidable in accordance with rotation of the moving part; And
A first grounding part and a second grounding part coupled to a part of the inner space of the housing along the longitudinal direction and having one end connected to the lead wire part; / RTI >
Wherein the first ground portion and the second ground portion are energized or short-circuited as the slider is slid.
The method of claim 3,
The inner space of the housing is formed in such a shape that the cross-sectional area of one side is relatively narrower than that of the other side,
Wherein the first ground portion and the second ground portion are arranged facing each other with an inclination angle adjacent to an inner space having a relatively narrow cross-sectional area.
The method of claim 3,
Wherein the housing is inclined to the base plate so as to correspond to a turning radius of a motion part coupled to the latch.
KR1020140139454A 2014-10-16 2014-10-16 Sensing apparatus of hood open for vehicle KR20160044727A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020140139454A KR20160044727A (en) 2014-10-16 2014-10-16 Sensing apparatus of hood open for vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020140139454A KR20160044727A (en) 2014-10-16 2014-10-16 Sensing apparatus of hood open for vehicle

Publications (1)

Publication Number Publication Date
KR20160044727A true KR20160044727A (en) 2016-04-26

Family

ID=55919095

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020140139454A KR20160044727A (en) 2014-10-16 2014-10-16 Sensing apparatus of hood open for vehicle

Country Status (1)

Country Link
KR (1) KR20160044727A (en)

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