WO2023096043A1

WO2023096043A1 - Portable distance measurement device

Info

Publication number: WO2023096043A1
Application number: PCT/KR2022/007274
Authority: WO
Inventors: 임대순; 윤학구; 김홍기; 최명원; 강대원; 이민종
Original assignee: 마이크로엑츄에이터(주); 임대순
Priority date: 2021-11-23
Filing date: 2022-05-23
Publication date: 2023-06-01
Also published as: KR102504818B1

Abstract

Disclosed is a portable distance measurement device for measuring the distance to an object using a laser. The portable distance measurement device comprises: a housing; an objective lens module, an optical image stabilization (OIS) lens module, a pair of prisms, and an eyepiece lens module, sequentially arranged along a first imaginary axis within the housing; a laser receiving lens module and a mirror sequentially arranged along a second imaginary axis parallel to the first imaginary axis; a laser generator for emitting a laser to a first prism; and a laser receiving sensor for receiving the laser through the mirror, wherein the OIS lens module may comprise a lens unit, an OIS driving unit for moving the lens unit in a first direction and a second direction perpendicular to the first direction, and a hinge member for supporting the lens unit to be movable in the first direction and the second direction.

Description

portable distance measuring device

The present disclosure relates to a distance measuring device for measuring a distance using a laser, and more particularly, to a portable distance measuring device having an optical image stabilization (OIS) lens module.

A portable distance measuring device is used to measure a distance from a hitting point and a target point (for example, a hole on a green or a flagstick inserted into a hole) on a golf course.

A conventional distance measuring device measures the distance from the dot position to the flagpole by emitting a laser beam from a dot position toward a flagpole inserted into a hole and receiving the reflected laser from the flagpole.

However, since the user has to measure the distance by holding the conventional portable distance measuring device in his/her hand, the laser emitted from the distance measuring device is often not accurately matched from the dot point to the flagpole at a distance of several hundred meters due to hand shaking.

Accordingly, the conventional portable range finder has difficulty in accurately calculating the distance to the target point.

An object of the present disclosure is to provide a portable distance measuring device capable of accurately measuring a distance by correcting hand shake.

In order to achieve the above object, the present disclosure provides a portable distance measuring device for measuring a distance to an object using a laser, comprising: a housing; and an objective lens module, an optical image stabilization (OIS) lens module, a pair of prism and eye piece lens modules sequentially arranged along a first imaginary axis within the housing, and a first imaginary axis within the housing. A laser receiving lens module and a mirror sequentially arranged along a virtual second axis disposed in parallel, a laser generator for irradiating a laser to the first prism, and a laser receiving sensor for receiving a laser through the mirror, The OIS lens module may include a lens unit; an OIS driver for moving the lens unit in a first direction and a second direction orthogonal to the first direction; and a hinge member movably supporting the lens unit in the first direction and the second direction.

The OIS lens module includes a base into which the lens unit is inserted; and an upper cover coupled to an upper portion of the base, wherein a portion of the hinge member is fixed to the upper cover and a remaining portion of the hinge member may be oscillated inside the base together with the lens unit.

The hinge member may include: a support portion having a light passage hole formed in the center and on which the lens unit is seated; a pair of first hinges and a pair of second hinges symmetrically disposed on the support part with the light passage hole of the support part therebetween; a first connection part and a second connection part connected to upper ends of the pair of first hinges and the pair of second hinges; a pair of third hinges and a pair of fourth hinges symmetrically disposed on the support part with the light passage hole of the support part interposed therebetween; And a third connection part and a fourth connection part connected to upper ends of the pair of third hinges and the pair of fourth hinges; including, the pair of first hinges, the pair of second hinges, the The lower end of each of the third hinge and the pair of fourth hinges of the one image may be connected to one surface of the support part.

The pair of first hinges and the pair of second hinges have a first length, and the pair of third hinges and the pair of fourth hinges have a second length shorter than the first length. The first connection part and the second connection part may be fixed to the upper cover, and the third connection part and the fourth connection part may be fixed to the lens unit.

A first bent portion is provided between each lower end of the pair of first hinges, the pair of second hinges, the pair of third hinges, and the pair of fourth hinges and the support portion, and the pair of between the upper end of the first hinge and the first connection part, between the upper end of the pair of second hinges and the second connection part, between the upper end of the pair of third hinges and the third connection part, and the pair of second 4 A second bent part may be provided between an upper end of the hinge and the fourth connection part.

The pair of first hinges, the pair of second hinges, the pair of third hinges, and the pair of fourth hinges gradually narrow in width from the center to the top, and from the center to the bottom The width may be gradually narrowed.

A width of the first bent portion and the second bent portion may be smaller than a width of a central portion of each hinge.

The pair of first hinges and the pair of second hinges support the lens unit to be movable in the first direction, and the pair of third hinges and the pair of third hinges support the lens unit in the first direction. It may be supported so as to be movable in the second direction.

The hinge member may be injection molded as a single piece.

1 is a perspective view illustrating a portable distance measuring device according to an embodiment of the present disclosure.

2 is a cross-sectional view showing a portable distance measuring device according to an embodiment of the present disclosure.

3 is an assembled perspective view illustrating an optical image stabilization (OIS) lens module of a portable distance measuring device according to an embodiment of the present disclosure.

4 and 5 are exploded perspective views illustrating an OIS lens module of a portable distance measuring device according to an embodiment of the present disclosure.

6 is a plan view illustrating the arrangement of magnets and coils provided in an OIS lens module of a portable distance measuring device according to an embodiment of the present disclosure.

7 is a side view illustrating a hinge member provided in an OIS lens module of a portable distance measuring device according to an embodiment of the present disclosure.

8 and 9 are views showing a structure in which a lens unit of an OIS lens module of a portable distance measuring device according to an embodiment of the present disclosure swings along an X-axis direction and a Y-axis direction by a hinge member.

Embodiments described below are shown by way of example to aid understanding of the present disclosure, and it should be understood that the present disclosure may be implemented with various modifications, different from the embodiments described herein. However, in the following description of the present disclosure, when it is determined that a detailed description of a related known function or component may unnecessarily obscure the subject matter of the present disclosure, the detailed description and specific illustration thereof will be omitted. In addition, the accompanying drawings are not drawn to an actual scale to aid understanding of the disclosure, and the dimensions of some components may be exaggerated.

The terms used in this specification and claims are general terms in consideration of the function of the present disclosure. However, these terms may vary depending on the intention of a technician working in the field, legal or technical interpretation, and the emergence of new technologies. In addition, some terms are arbitrarily selected by the applicant. These terms may be interpreted as the meanings defined in this specification, and if there is no specific term definition, they may be interpreted based on the overall content of this specification and common technical knowledge in the art.

In the description of the present disclosure, the order of each step should be understood as non-limiting, unless the preceding step must logically and temporally necessarily precede the succeeding step. That is, except for the above exceptional cases, even if the process described as the following step is performed before the process described as the preceding step, the nature of the disclosure is not affected, and the scope of rights must also be defined regardless of the order of the steps.

In this specification, expressions such as “has,” “can have,” “includes,” or “can include” indicate the existence of a corresponding feature (eg, numerical value, function, operation, or component such as a part). , which does not preclude the existence of additional features.

Terms such as first and second may be used to describe various components, but the components should not be limited by the terms. The terms may only be used for the purpose of distinguishing one component from another. For example, a first element may be termed a second element, and similarly, a second element may be termed a first element, without departing from the scope of the present disclosure.

In addition, terms such as 'front', 'rear', 'upper', 'lower', 'side', 'left', 'right', 'upper', 'lower' used in the present disclosure are defined based on the drawings However, the shape and position of each component are not limited by this term.

And, in this specification, since the components necessary for the description of each embodiment of the present disclosure have been described, it is not necessarily limited thereto. Accordingly, some components may be changed or omitted, and other components may be added. In addition, it may be distributed and arranged in different independent devices.

Furthermore, embodiments of the present disclosure will be described in detail with reference to the accompanying drawings and contents described in the accompanying drawings, but the present disclosure is not limited or limited by the embodiments.

Hereinafter, a portable distance measuring device according to an embodiment of the present disclosure will be described with reference to the drawings.

1 is a perspective view illustrating a portable distance measuring device according to an embodiment of the present disclosure, and FIG. 2 is a cross-sectional view illustrating the portable distance measuring device according to an exemplary embodiment of the present disclosure.

1 and 2, a portable distance measuring device 10 according to an embodiment of the present disclosure includes a housing 20, a laser generator 71, a laser receiving sensor 81, and supplying power. It may include a control unit including a battery and a control circuit for.

Inside the housing 20, the objective lens module 40, the OIS lens module 100, and the eye piece lens module 30 may be disposed along a first imaginary axis.

A first prism 73 and a second prism 75 that reflect/transmit laser and external light may be disposed between the OIS lens module 100 and the eye piece lens module 30 .

In addition, the laser receiving lens module 60 and the mirror 83 may be disposed inside the housing 20 along a second axis of the house which is parallel to the first virtual axis.

For distance measurement, when the laser generator 71 is turned on, a laser is generated from the laser generator. The laser may be reflected by the first prism 73, transmitted through the second prism 75, and then transmitted through the OIS lens module 100 and the objective lens module 40 to be irradiated to the distance measurement target.

The laser reflected from the object to be measured is transmitted through the laser receiving lens module 60, reflected by the mirror 83, and then received by the laser receiving sensor 81.

The control unit may calculate the distance from the portable distance measurement device 10 to the distance measurement object by a preset program based on the signal received from the laser reception sensor 81 .

Hereinafter, a configuration of an optical image stabilization (OIS) lens module of a portable distance measuring device according to an embodiment of the present disclosure will be described with reference to the drawings.

3 is an assembled perspective view showing an OIS lens module of a portable distance measuring device according to an embodiment of the present disclosure, and FIGS. 4 and 5 are exploded views showing the OIS lens module of a portable distance measuring device according to an embodiment of the present disclosure. They are perspective views.

3 to 5, the OIS lens module 100 includes a base 110, a printed circuit board 120, an OIS driver including a plurality of coils and a plurality of magnets, a lens unit 170, , a hinge member 150 for swingably supporting the lens unit 170 in directions orthogonal to each other, and a lower cover 130 and an upper cover 190.

The base 110 has a light passage hole 111 formed along the Z-axis direction, and on the side face the first opening 113a and the second opening 113b formed to face each other in the X-axis direction and the Y-axis direction. A third opening 113c and a fourth opening 113d formed to do so may be formed, respectively. The first to

fourth coils

131, 132, 133, and 134 may be disposed in the first to

fourth openings

113a, 113b, 113c, and 113d, respectively.

The base 110 may have a lower cover 130 disposed at a lower portion and an upper cover 190 disposed at an upper portion. In this case, the lower cover 130 and the upper cover 190 may be coupled to the base 110 at intervals along the Z-axis direction.

The printed circuit board 120 may be disposed outside the base 110 to surround the base 110 . In this case, the printed circuit board 120 may be disposed at positions corresponding to the first to

fourth openings

113a, 113b, 113c, and 113d of the base 110. This is considering that the first to

fourth coils

131, 132, 133, and 134 are inserted into the first to

fourth openings

113a, 113b, 113c, and 113d, respectively.

The printed circuit board 120 may be a flexible printed circuit board (FPCB) that can be easily bent. Accordingly, it may be placed in close contact with the outside of the base 110 .

The lower cover 130 may have a ring shape in which a light passage hole 131 is formed in the center.

The lower cover 130 may be detachably fastened to the lower portion of the base 110 through a plurality of fastening screws 132 . The fastening screws 132 may pass through the plurality of first fastening holes 133 formed in the lower cover 130 and be respectively fastened to the plurality of second fastening holes 115 formed in the lower portion of the base 110 .

The lower cover 130 may have a first connector 135 disposed on an upper surface and a second connector 137 disposed on a lower surface. The lower cover 130 may be a printed circuit board on which a circuit to which the first and

second connectors

135 and 137 are electrically connected is formed.

The first connector 135 may be electrically connected to the connection terminal 121 provided on the printed circuit board 120 . The second connector 137 may be electrically connected to the control unit and the power supply unit of the portable distance measuring device 10 . Accordingly, the control signal and operating current respectively applied from the control unit and the power supply unit through the second connector 137 may be transferred to the printed circuit board 120 through the first connector 135 .

Referring to FIG. 6 , the OIS driver may include first to

fourth coils

131, 132, 133, and 134 and first to

fourth magnets

141, 142, 143, and 144 corresponding thereto, respectively.

The first coil 131 and the first magnet 141 and the second coil 132 and the second magnet 142 form a first OIS driver that moves the lens unit 170 in the X-axis direction for hand shake correction. . The first OIS driver moves the lens unit 170 through the interaction of the first magnet 141 and the second magnet 142 according to the direction of the current applied to the first coil 131 and the second coil 132. It moves in the direction of +X axis or -X axis.

The first coil 131 and the second coil 132 may be disposed on the same axis (eg, X axis) with the lens unit 170 interposed therebetween. In this case, the first coil 131 may be disposed to correspond to the first magnet 141 at a predetermined interval, and the second coil 132 may be disposed to correspond to the second magnet 142 at a predetermined interval. .

A plurality of hall sensors may be mounted on the printed circuit board 120 . Among the plurality of Hall sensors, the first Hall sensor is located inside the first coil 131 in the shape of a closed curve to sense the movement of the first magnet 141, and the second Hall sensor is located inside the second coil 132 in the shape of a closed curve. It can sense the movement of the second magnet 142 by being located at . The control unit of the portable distance measuring device 10 may control the X-axis direction of the lens unit 170 based on signals detected by the first and second hall sensors.

The third coil 133 and the third magnet 143 and the fourth coil 134 and the fourth magnet 144 form a second OIS driver that moves the lens unit 170 in the Y-axis direction for hand shake correction. . The second OIS driver moves the lens unit 170 through the interaction of the third magnet 143 and the fourth magnet 144 according to the direction of the current applied to the third coil 133 and the fourth coil 134. It moves in the +Y axis direction or -Y axis direction.

The third coil 133 and the fourth coil 134 may be disposed on the same axis (eg, the Y axis) with the lens unit 170 interposed therebetween. In this case, the third coil 133 may be disposed to correspond to the third magnet 143 at a predetermined interval, and the fourth coil 134 may be disposed to correspond to the fourth magnet 144 at a predetermined interval. .

Among the plurality of hall sensors mounted on the printed circuit board 120, the third hall sensor is located inside the closed-curve-shaped third coil 133 to detect the movement of the third magnet 143, and the fourth hall sensor is located inside the closed-curve-shaped third coil 133. Positioned inside the shaped fourth coil 134, the movement of the fourth magnet 144 can be sensed. The control unit of the portable distance measurement device 10 may control the Y-axis direction of the lens unit 170 based on signals detected by the third and fourth hall sensors.

Referring to FIG. 4 , the hinge member 150 is disposed inside the base 110 to support the lens unit 170 so as to swing in the X-axis and Y-axis directions. For example, the hinge member 150 may change the position of the lens unit 170 in the X-axis and Y-axis directions according to the direction of the current applied to the OIS driver.

The hinge member 150 may include a support part 152, first to

fourth hinges

153a, 153b, 155a, and 155b, and first to

fourth connection parts

154a, 154b, 156a, and 156b. As the hinge member 150 is injection molded, components constituting the hinge member 150 may be integrally formed.

A light passage hole 151 may be formed in the center of the support part 152 and the lens part 170 may be seated thereon. In this case, the lower portion of the lens unit 170 may be bonded to the support unit 152 . The light passage hole 151 of the lens unit 170 may have a larger diameter than that of the lens 172 .

Lower ends of the pair of first hinges 153a may be respectively connected to corner portions of both sides of the first side of the support part 152 . The pair of first hinges 153a may have the same first length and may be disposed in parallel in the Z-axis direction.

Upper ends of the pair of first hinges 153a may be connected to the first connection portion 154a, respectively. The first connection part 154a may be fixed to the upper cover 190 coupled to the upper part of the base 110 . For example, the first connection portion 154a may be bonded to the lower surface of the upper cover 190 by an adhesive.

Lower ends of the pair of second hinges 153b may be respectively connected to corner portions of both sides of the second side facing the first side of the support part 152 . The pair of second hinges 153b may have the same first length as the pair of first hinges 153a and may be disposed in parallel in the Z-axis direction.

Upper ends of the pair of second hinges 153b may be connected to the second connection portion 154b, respectively. Like the first connection part 154a, the second connection part 154b may be bonded to the lower surface of the upper cover 190 by an adhesive.

The pair of first hinges 153a and the pair of second hinges 153b may be symmetrically disposed with the light passage hole 151 as the center. Lower and upper ends of the pair of first hinges 153a and the pair of second hinges 153b may be bent so that the lens unit 170 swings along the X-axis direction.

Lower ends of the pair of third hinges 155a may be respectively connected to corner portions of both sides of the third side of the support part 152 . The third side of the support 152 connects one end of the first side and the second side of the support 152 facing each other. The pair of third hinges 155a may have a second length shorter than the first length and may be disposed in parallel in the Z-axis direction.

Upper ends of the pair of third hinges 155a may be connected to the third connection portion 156a, respectively. The third connection part 156a may be fixed to the first extension part 173 of the lens part 170 . For example, the third connection portion 156a may be bonded to the lower surface of the first extension portion 173 of the lens unit 170 by an adhesive.

Lower ends of the pair of fourth hinges 155b may be respectively connected to corner portions of both sides of the fourth side facing the third side of the support part 152 . The fourth side of the support part 152 connects the other ends of the first side and the second side of the support part 152 facing each other. The pair of fourth hinges 155b may have the same second length as the pair of third hinges 155a and may be disposed in parallel in the Z-axis direction.

Upper ends of the pair of fourth hinges 155b may be connected to the fourth connection portion 156b, respectively. The third connection part 156b may be fixed to the second extension part 175 of the lens part 170 . For example, the third connection portion 156b may be bonded to the lower surface of the second extension portion 175 of the lens unit 170 by an adhesive. In this case, the first and

second extensions

173 and 175 of the lens unit 170 may be disposed on opposite sides of each other with the lens 172 of the lens unit 170 interposed therebetween.

The pair of third hinges 155a and the pair of fourth hinges 155b may be symmetrically disposed with the light passage hole 151 as the center. Lower and upper ends of the pair of third hinges 155a and the pair of fourth hinges 155b may be bent so that the lens unit 170 swings along the Y-axis direction.

Hereinafter, the structure of the first hinge 153a will be described in detail with reference to the drawings. Structures of the second to fourth hinges 153b, 153c, and 153d are substantially the same as those of the first hinge 153a, so descriptions thereof are omitted.

Referring to FIG. 7 , the first hinge 153a may include a first part (B) and a second part (A) and a third part (C) extending below and above the first part (B), respectively. can

The first portion B may have a first width W1 and may have a substantially rectangular cross section. The second part (A) has a width gradually narrowing in a direction adjacent to the support part 152 side from the first part (B) and may have a substantially inverted triangular cross section. The third part (C) may have a substantially triangular cross section with a width gradually narrowing in a direction adjacent to the first connection part (154a) in the first part (B).

A first bent portion H1, which is a hinge point, is disposed between the second portion A and the support portion 152, and a second bent portion, which is another hinge point, is disposed between the third portion C and the first connection portion 154a. (H2) may be placed.

Since the second width W2 of the first bent portion H1 is smaller than the first width W1 of the second portion A, it can be easily bent. The width of the second bent portion H2 may be narrower than the first width W1 of the second portion A and may be substantially equal to the first width H1 of the first bent portion H1. can In this case, the first bent part H1 and the second bent part H2 may be disposed symmetrically to each other so as to be positioned on the center line (an imaginary line along the Z-axis direction) of the first hinge 153a.

The first hinge 153a can pivot around the first bent part H1 and can pivot around the second bent part H2. The lens unit 170 may be supported so that the lens unit 170 moves in the +X-axis direction and the -X-axis direction by the pivoting operation of the first hinge 153a.

Hereinafter, an operation in which the lens unit 170 is movably supported in the X-axis direction and the Y-axis direction by the hinge member 150 according to the driving of the OIS driver will be described with reference to the drawings.

Referring to FIG. 8 , current may be applied to the first coil 131 in a first direction and current may be applied to the second coil 132 in a second direction opposite to the first direction. In this case, an attractive force may act between the first coil 131 and the first magnet 141 and a repulsive force may act between the second coil 132 and the second magnet 142 . Accordingly, force to move the lens unit 170 in the +X-axis direction (left direction in FIG. 8 ) is provided to the lens unit 170 .

At this time, the pair of first hinges 153a and the pair of second hinges 153b are bent at first and second bent portions H1 and H2, respectively. At the same time, the lens unit 170 may move a predetermined distance in the +X-axis direction while being supported by the pair of first hinges 153a and the pair of second hinges 153b. In this case, the first and

second connection parts

154a and 154b of the hinge member 150 are fixed to the upper cover 190, and the support part 152 of the hinge member 150 is +X together with the lens part 170. move in the axial direction.

Conversely, current may be applied to the first coil 131 in the second direction and current may be applied to the second coil 132 in the first direction. In this case, a repulsive force may act between the first coil 131 and the first magnet 141 and an attractive force may act between the second coil 132 and the second magnet 142 . Accordingly, force to move the lens unit 170 in the -X-axis direction (right direction in FIG. 8 ) is provided to the lens unit 170 .

At this time, the pair of first hinges 153a and the pair of second hinges 153b are bent at first and second bent portions H1 and H2, respectively. At the same time, the lens unit 170 may move a predetermined distance in the -X-axis direction while being supported by the pair of first hinges 153a and the pair of second hinges 153b. In this case, the first and

second connection parts

154a and 154b of the hinge member 150 are fixed to the upper cover 190, and the support part 152 of the hinge member 150 is -X together with the lens part 170. move in the axial direction.

As the pair of first hinges 153a and the pair of second hinges 153b are positioned at each vertex of a quadrangle when viewed from a plan view, the lens unit 170 moves in a straight line without distortion when moving along the X-axis direction. It can move along the X-axis direction.

Referring to FIG. 9 , current may be applied to the third coil 133 in a first direction and current may be applied to the fourth coil 134 in a second direction. In this case, an attractive force may act between the third coil 133 and the third magnet 143 and a repulsive force may act between the fourth coil 134 and the fourth magnet 144 . Accordingly, force to move the lens unit 170 in the +Y-axis direction (left direction in FIG. 9 ) is provided to the lens unit 170 .

At this time, the pair of third hinges 155a and the pair of fourth hinges 155b have first and second bent portions H1 and H2 respectively bent. At the same time, the lens unit 170 may move a predetermined distance in the +Y axis direction while being supported by the pair of third hinges 155a and the pair of fourth hinges 155b. In this case, the third and

fourth connection portions

156a and 156b of the hinge member 150 are fixed to the first and

second extension portions

173 and 175 of the lens unit 170, and the support portion of the hinge member 150 152 moves along the lens unit 170 in the +Y axis direction.

Conversely, current may be applied to the third coil 133 in the second direction and current may be applied to the fourth coil 134 in the first direction. In this case, a repulsive force may act between the third coil 133 and the third magnet 143 and an attractive force may act between the fourth coil 134 and the fourth magnet 144 . Accordingly, force to move the lens unit 170 in the -Y axis direction (right direction in FIG. 9 ) is provided to the lens unit 170 .

At this time, the pair of third hinges 155a and the pair of fourth hinges 155b have first and second bent portions H1 and H2 respectively bent. At the same time, the lens unit 170 may move a predetermined distance in the -Y axis direction while being supported by the pair of third hinges 155a and the pair of fourth hinges 155b. In this case, the third and

fourth connection portions

156a and 156b of the hinge member 150 are fixed to the first and

second extension portions

173 and 175 of the lens unit 170, and the support portion of the hinge member 150 152 moves along the lens unit 170 in the -Y axis direction.

As the pair of third hinges 155a and the pair of fourth hinges 155b are positioned at each vertex of a quadrangle when viewed from a plan view, the lens unit 170 is straight without distortion when moving along the Y-axis direction. It can move along the Y-axis direction.

As described above, in the present disclosure, the lens unit 170 is supported by the hinge member 150 so as to swing in the X-axis direction and the Y-axis direction during the operation of the OIS driver, so that hand shake correction is possible.

Referring back to FIGS. 4 and 5 , the first to

fourth magnets

141 , 142 , 143 , and 144 of the lens unit 170 may be fixed to four sides, respectively.

The lens unit 170 is swingably disposed inside the base 110 together with the hinge member 150 in a state surrounded by the first to

fourth hinges

153a, 153b, 155a, and 155b of the hinge member 150. can

The upper cover 190 may have a light passage hole 191 formed in the center and holding

holes

193 and 195 respectively formed on both sides.

The pair of locking

holes

193 and 195 may be detachably coupled to the pair of locking

protrusions

115 and 117 formed on the outside of the base 110 in a snap fit manner.

In the upper cover 190, the first and

second connection parts

154a and 154b of the hinge member 150 may be bonded to

opposite side portions

197a and 197b of the bottom surface using an adhesive. Accordingly, among components constituting the hinge member 150, components other than the first and

second connectors

154a and 154b may oscillate along with the lens unit 170 in the X-axis and Y-axis directions.

Although the above has been shown and described with respect to preferred embodiments of the present disclosure, the present disclosure is not limited to the specific embodiments described above, and is commonly used in the technical field belonging to the present disclosure without departing from the gist of the present disclosure claimed in the claims. Of course, various modifications and implementations are possible by those with knowledge of, and these modifications should not be individually understood from the technical spirit or perspective of the present disclosure.

Claims

A distance measuring device for measuring a distance to an object using a laser,

housing; and

an objective lens module, an optical image stabilization (OIS) lens module, a pair of prism and eye piece lens modules sequentially arranged along a first imaginary axis within the housing;

laser receiving lens modules and mirrors sequentially disposed along an imaginary second axis parallel to the imaginary first axis within the housing;

A laser generator for irradiating a laser to the first prism;

And a laser receiving sensor for receiving a laser through the mirror,

The OIS lens module,

lens unit;

an OIS driver for moving the lens unit in a first direction and a second direction orthogonal to the first direction; and

and a hinge member for supporting the lens unit to be movable in the first direction and the second direction.
According to claim 1,

The OIS lens module,

a base into which the lens unit is inserted; and

Further comprising: an upper cover coupled to an upper portion of the base;

The distance measuring device of claim 1 , wherein a portion of the hinge member is fixed to the upper cover and a remaining portion is oscillateably disposed inside the base together with the lens unit.
According to claim 2,

The hinge member,

a support part having a light passage hole formed in the center and on which the lens part is seated;

a pair of first hinges and a pair of second hinges symmetrically disposed on the support part with the light passage hole of the support part therebetween;

a first connection part and a second connection part connected to upper ends of the pair of first hinges and the pair of second hinges;

a pair of third hinges and a pair of fourth hinges symmetrically disposed on the support part with the optical tube and the hole of the support part interposed therebetween; and

A third connection portion and a fourth connection portion connected to upper ends of the pair of third hinges and the pair of fourth hinges;

The pair of first hinges, the pair of second hinges, the pair of third hinges, and the pair of fourth hinges have lower ends connected to one surface of the support unit.
According to claim 3,

The pair of first hinges and the pair of second hinges are formed with a first length,

The pair of third hinges and the pair of fourth hinges are formed with a second length shorter than the first length,

The first connection part and the second connection part are fixed to the upper cover,

Wherein the third connection portion and the fourth connection portion are fixed to the lens unit, the distance measuring device.
According to claim 3,

A first bent portion is provided between each lower end of the pair of first hinges, the pair of second hinges, the pair of third hinges, and the pair of fourth hinges and the support portion,

between the upper end of the pair of first hinges and the first connection part, between the upper end of the pair of second hinges and the second connection part, between the upper end of the pair of third hinges and the third connection part, and the A second bent part is provided between the upper end of the pair of fourth hinges and the fourth connection part, respectively, the distance measuring device.
According to claim 5,

The pair of first hinges, the pair of second hinges, the pair of third hinges, and the pair of fourth hinges, respectively,

A distance measuring device that gradually narrows in width from the center to the top and gradually narrows from the center to the bottom.
According to claim 6,

A width of the first bent portion and the second bent portion is smaller than a width of a central portion of each hinge, the distance measuring device.
According to claim 3,

The pair of first hinges and the pair of second hinges support the lens unit to be movable in the first direction,

The pair of third hinges and the pair of third hinges support the lens unit to be movable in the second direction, the distance measuring device.
According to claim 1,

The distance measuring device, wherein the hinge member is injection molded as a single piece.