KR20230160559A - Handle bar of mobile apparatus and mobile x-ray apparatus using the same - Google Patents

Abstract

The present invention relates to a handlebar of a mobile device equipped with a triple safety device, wherein a palm sensor is provided on one side of the handlebar and a finger sensor is provided on the other side, and both the palm sensor and the finger sensor are in contact. Enables the drive motor of the mobile device to operate only when detected.

Description

{Handle bar of mobile apparatus and mobile x-ray apparatus using the same}

The present invention relates to a handlebar of a mobile device and a mobile X-ray imaging device equipped with the same.

Electric mobile devices are used to load and transport parts or items at manufacturing or service sites, and can be provided in various forms such as transfer trucks, mobile carts, and electric carts.

A typical electric mobile device includes a main body with a plurality of wheels, a handlebar installed on one side of the main body to allow the user to adjust the direction of movement, and a drive motor that transmits driving force to the wheels.

In addition, the electric mobile device is equipped with its own power supply device such as a drive motor and battery to provide driving force, and because it moves while loading heavy objects, it has the characteristic of being made of a considerable amount of weight to prevent falling accidents.

An example of such a mobile device is a mobile X-ray imaging device. In general, an X-ray imaging device is a device that obtains images of the inside of a human body or object using It is widely used for industrial purposes.

Recently, when X-ray imaging is required for critically ill patients who have difficulty moving or during surgery, the patient often does not go directly to the X-ray imaging room but moves a mobile X-ray imaging device to the necessary location to obtain the imaging.

As an example of such a mobile X-ray imaging device, Korean Patent Publication No. 10-2011-0062397 (Patent Document 1) discloses an 'X-ray examination device for imaging children', and Korean Patent Publication No. 10-2012-0095460 (Patent Document 2) discloses ‘a mobile base and an X-ray machine mounted on such a mobile base.’

Generally, the mobile X-ray imaging device 10 includes a main body 20 that moves by the driving force of a drive motor (not shown), as shown in FIG. 1, and is provided on one side of the main body 20 to transmit X-rays to a subject. It includes an X-ray irradiation unit 30 that irradiates, and a handle bar 40 provided on the other side of the main body 20.

The lower part of the main body 20 is provided with a front wheel 21 and a rear wheel 22 for movement. For example, the front wheel 21 is composed of a caster that can freely rotate, and the rear wheel 22 is driven by a drive motor. It can be.

A handle bar 40 is installed at the rear top of the main body 20 to adjust the direction of movement. When the user is positioned at the back of the handlebar, if the handlebar 40 is pushed forward, the main body 20 moves forward due to the forward rotation of the drive motor, and if the user pulls the handlebar 40 backward, the main body 20 moves forward due to the reverse rotation of the drive motor. (20) moves backwards.

However, in the case of existing mobile devices, there are cases where the direction of movement is opposite to the user's intuition, resulting in user safety issues. For example, when the user places his hand on the outer frame of the main body 20 of the mobile X-ray imaging apparatus 10 and pulls the handle bar 40 with his fingers, the user intuitively moves the main body 20 of the mobile X-ray imaging apparatus 10 You may think that it will move forward, but in reality, it will move backwards as you pull the handlebar 40, which may cause a safety accident.

In addition, when operating the handlebar 40 of the mobile device with one hand, the center of the handlebar 40 must be held and operated to operate the main body 20 without being biased to one side. However, when operating with the hand position excessively biased to one side of the handlebar 40, the direction of movement of the main body 20 is biased to one side contrary to the user's intention, and there is a risk of collision with an obstacle.

In addition, the existing safety switch alone cannot prevent the handlebar 40 from being operated in an unstable position, which poses a risk of unexpected safety accidents.

The present invention was made to solve the problems described above, and its purpose is to provide a handlebar for a mobile device and a mobile device that can prevent safety accidents.

Another object of the present invention is to provide a handlebar and a mobile device equipped with a plurality of safety devices.

Another object of the present invention is to guide the user to place his or her hands in the correct position on the handlebar to prevent safety accidents, while preventing the user from operating the handlebar with incorrect movements. Providing a portable device.

The object of the present invention described above is to provide a handlebar for a mobile device that moves by the driving force of a drive motor, wherein a palm detection sensor is provided on one side of the handlebar and a finger detection sensor is provided on the other side, the palm detection sensor and This can be achieved by providing a handlebar of a mobile device that allows operation of the drive motor only when all contact is detected by the finger detection sensor.

According to one feature of the present invention, it further includes a limit switch built into the handlebar and turned ON/OFF according to the operation of the handlebar, and the drive motor can be operated only when the limit switch is in the ON state. .

According to another feature of the present invention, a plurality of the finger detection sensors or the palm detection sensors may be provided at predetermined intervals along the longitudinal direction of the handlebar.

According to another feature of the present invention, the drive motor may be operated only when contact is detected by one or more preset finger detection sensors or a plurality of palm detection sensors.

According to another feature of the present invention, the drive motor is activated only when contact is detected by at least one pair of finger detection sensors or at least one pair of palm detection sensors disposed at equal intervals in the left and right directions from the center of the handlebar. It may work.

According to another feature of the present invention, the handlebar may include a handlebar cover equipped with the palm detection sensor, and a switch cover coupled to one side of the handlebar cover and equipped with the finger detection sensor.

According to another feature of the present invention, the handlebar further includes a limit switch provided in a space between the handlebar cover and the switch cover, and a pressing portion is formed on one side of the switch cover to protrude in the direction of the limit switch. It can be.

According to another feature of the present invention, when the limit switch is turned on and contact is detected by the palm detection sensor and the finger detection sensor, the forward/reverse rotation of the drive motor is performed according to the forward/backward movement of the handlebar. It can be done.

According to another feature of the present invention, the handlebar includes a first side holder coupled to one end of the handlebar cover and the switch cover, and a second side holder coupled to the other end of the handlebar cover and the switch cover. It may further include an elastic member provided on either the first side holder or the second side holder and elastically supporting the switch cover.

According to another feature of the present invention, the handlebar further includes a through hole extending in the longitudinal direction of the handlebar cover, and a sensor cover coupled to the through hole and having the palm detection sensor installed inside. It can be included.

According to the handlebar of the mobile device according to the present invention, safety accidents due to incorrect use of the handlebar can be prevented by triple monitoring misuse by a limit switch, palm detection sensor, and finger detection sensor.

In addition, according to the handlebar of the mobile device according to the present invention, it is possible to prevent the user from operating the handlebar in an incorrect manner by guiding the user to place his or her hand in the correct position.

Figure 1 is a perspective view of a mobile X-ray imaging device.
Figure 2 is a perspective view of the handlebar of a mobile device according to an embodiment of the present invention.
Figure 3 is an exploded perspective view of Figure 2.
Figures 4 and 5 are cross-sectional views of Figure 2.
Figure 6 is a cross-sectional view of the handlebar of the mobile device in use according to an embodiment of the present invention.
Figures 7 and 8 are diagrams showing the use of the handlebar of a mobile device according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, the embodiments described below are merely intended to provide a detailed description so that a person skilled in the art can easily implement the invention, and this does not limit the scope of protection of the present invention. doesn't mean In describing various embodiments of the present invention, the same reference numerals will be used for components having the same technical features.

Meanwhile, in the following embodiment, a mobile X-ray imaging device is described as an example of a mobile device, but this is only an embodiment of the present invention. Please note in advance that it is applicable to all types of mobile devices, including bars.

Example

Figure 2 is a perspective view of the handlebar of a mobile device according to an embodiment of the present invention, and Figure 3 is an exploded perspective view of Figure 2.

As shown in Figures 2 and 3, the handlebar (hereinafter, 'handlebar') 100 of a mobile device according to an embodiment of the present invention has a palm detection sensor 200 on one side along the circumferential direction. and a finger detection sensor 300 is provided on the other side.

According to one embodiment of the present invention, the mobile device (not shown) operates by operating the drive motor (not shown) only when the user's contact is detected by both the palm detection sensor 200 and the finger detection sensor 300 of the handlebar 100. For example, the mobile X-ray imaging device 10 of FIG. 1 can be moved.

This is to prevent the user from placing his hand on a part other than the handlebar 100 (e.g., the outer frame of the main body 20) and mismanipulating the handlebar 100 with his fingers. 100) must be properly wrapped and held with the palm and fingers to enable the drive motor to operate.

In addition, a limit switch 400 that operates ON/OFF may be installed on the handlebar 100, and the drive motor may be configured to operate only when the limit switch 400 is in the ON state.

That is, according to one embodiment of the present invention, the drive motor operates only when the limit switch 400 is in the ON state, the user's palm is detected by the palm detection sensor 200, and the user's finger is detected by the finger detection sensor 300. A triple safety device can be provided on the handlebar 100 to enable movement of the mobile device according to operation.

Looking at the configuration of the above-described handlebar 100 in more detail, the handlebar 100 includes a handlebar cover 110 in the form of a bar with a circular cross-section, and first and second side holders (described later) It includes a switch cover 120 installed in the front opening of the handlebar cover 110 by 130 and 140).

The handlebar cover 110 has a long through hole 111 extending along the longitudinal direction, and a palm detection sensor 200 is placed in this through hole 111. A palm detection sensor (200) is placed along with the through hole 111. The sensor cover 112 is coupled to the outer surface of the handlebar cover 110 to cover the handlebar cover 110 (200). For example, the palm detection sensor 200 may be installed on the inner surface of the sensor cover 112. At this time, one palm detection sensor 200 may be installed on the inner surface of the sensor cover 112, and as another example, a plurality of palm detection sensors 200 may be installed at predetermined intervals along the longitudinal direction of the handlebar cover 110. They can also be installed spaced apart from each other.

A finger detection sensor 300 is installed on the inner surface of the switch cover 120. At this time, one finger detection sensor 300 may extend long along the longitudinal direction of the switch cover 120. As another example, a plurality of finger detection sensors 300 may be installed at a predetermined distance apart from each other along the longitudinal direction of the switch cover 120.

In the case of the embodiment shown in the drawing, an example is shown where eight finger detection sensors 300 are installed at a predetermined distance apart from each other along the longitudinal direction of the switch cover 120. However, this is only an embodiment of the present invention, and the finger detection sensor The installed number of 300 can be appropriately selected depending on needs.

A first side holder 130 is coupled to one end of the handlebar cover 110 and the switch cover 120, and a second side holder 140 is coupled to the other end. At this time, both ends of the switch cover 120 are rotatably hinged to the first side holder 130 and the second side holder 140, respectively.

A limit switch 400 is installed on one of the first side holder 130 and the second side holder 140 by a switch bracket 150, and on the other one, an elastic member ( 160) is installed.

For example, as shown in the drawing, the switch bracket 150 is installed inside the first side holder 130 so that the limit switch 400 is disposed in the space between the handlebar cover 110 and the switch cover 120. One end of the may be coupled, and the limit switch 400 may be coupled to the other end of the switch bracket 150.

In addition, one end of the first bracket 170 is coupled to the inside of the second side holder 140, one end of the second bracket 180 is coupled to the inside of the switch cover 120, and the first bracket 170 An elastic member 160, such as a spring, may be coupled to connect the other end of the second bracket 180 with the other end of the second bracket 180. At this time, the elastic member 160 elastically supports the switch cover 120 with respect to the second side holder 140.

Figures 4 and 5 are cross-sectional views of Figure 2, where Figure 4 shows the OFF (non-operating) state of the limit switch, and Figure 5 shows the ON (operating) state of the limit switch by rotating the switch cover. .

As shown in Figures 4 and 5, a pressing portion 121 is formed to protrude on one side of the switch cover 120 in the direction of the limit switch 400. For example, this pressing part 121 includes an inclined part 122 that protrudes obliquely from one side of the switch cover 120 toward the inside of the handlebar cover 110, and is bent at the end of the inclined part 122 and is formed on the switch cover ( 120) It may include a contact portion 123 that contacts the limit switch 400 during rotation.

As shown in FIG. 4, in the initial state, the pressing portion 121 of the switch cover 120 is spaced apart from the limit switch 400. In this state, when the user holds the handlebar 100 and pulls the switch cover 120 toward the handlebar cover 110 with his or her finger, the switch cover 120 is connected to the hinge joint with the first and second side holders 130 and 140. It rotates to the inside of the handlebar cover 110 around 124, and as shown in FIG. 5, the contact portion 123 of the switch cover 120 presses the limit switch 400 to turn it ON.

Thereafter, when the force applied to the switch cover 120 is removed, the switch cover 120 returns to the initial state as shown in FIG. 4 due to the elastic recovery force of the elastic member 160, and the limit switch 400 is turned ON. status is converted to OFF status.

FIG. 6 is a cross-sectional view of a handlebar in use according to an embodiment of the present invention. Hereinafter, the mobile X-ray imaging device shown in FIG. 1 will be described as an example of a mobile device. However, it should be clarified that although the following examples relate to a mobile X-ray imaging device, the subject of the present invention is not limited thereto.

According to one embodiment of the present invention, the limit switch 400, the palm detection sensor 200, and the finger detection sensor 300 triple monitor the safe operation of the handlebar 100.

That is, when the user wraps and holds the handlebar 100 as shown in FIG. 6, the user's contact is detected by the palm detection sensor 200 and the finger detection sensor 300, respectively, and the switch cover 120 Only when the limit switch 400 is turned on according to the rotation operation of , can the main body 20 of the mobile

At this time, it is determined whether the limit switch 400 is in the ON/OFF state and whether the user's contact is detected by the palm detection sensor 200 and the finger detection sensor 300, and the drive motor is operated according to the forward and backward movement of the handlebar 100. A control unit (not shown) that transmits a forward or backward signal may be built into the handlebar 100 or the main body 20 of the mobile X-ray imaging device 10.

Figures 7 and 8 are diagrams showing the use state of the handlebar according to an embodiment of the present invention. Figure 7 shows the handlebar being operated with one hand, and Figure 8 shows the handlebar being operated with both hands. It was done.

When moving the mobile X-ray imaging device 10 by holding the handlebar 100 with one hand, the central part of the handlebar 100 must be held and moved as shown in FIG. 7 for the equipment to operate without being biased in one direction. If the user holds the handlebar 100 too far to the left or right, a biased user input force is transmitted to the equipment, causing the driving direction to be biased to one side contrary to the user's intention, and there is a risk of collision with an obstacle. there is.

Accordingly, according to an embodiment of the present invention, the main body 20 can be moved only when contact is detected by one or more of the finger detection sensors 300 that are preset among the plurality of finger detection sensors 300. can do.

For example, in the case of the embodiment shown in FIG. 7, from the left, in order, the first sensor 301, the second sensor 302, the third sensor 303, the fourth sensor 304, the fifth sensor 305, and the When considering the 6th sensor 306, the 7th sensor 307, and the 8th sensor 308, user contact is made at the 4th sensor 304 and the 5th sensor 305 located in the center of the handlebar 100. The movement of the main body 20 can be enabled only when contact is detected and no contact is detected by the remaining sensors.

As another example, a total of three finger detection sensors 300 are placed, with the first sensor 301 placed on the left side of the handlebar 100, the second sensor 302 placed in the center, and the third sensor placed on the right side. When 303 is placed, the main body 20 moves only when user contact is detected by the second sensor 302 and no contact is detected by the remaining first sensor 301 and third sensor 303. It may be possible to do so.

At this time, of course, in the above-described embodiment, the total number of finger detection sensors 300 and the number of sensors through which user contact must be detected can be appropriately selected as needed.

Meanwhile, even when the user moves while holding the handlebar 100 with both hands, if the user holds the handlebar 100 biased to one side, the driving direction is biased to one side contrary to the user's intention, and there is a risk of collision with an obstacle.

Therefore, in this case, it is necessary to position both hands at equal distances from the center of the handlebar 100 in the left and right directions (or at a certain distance from both ends of the handlebar 100).

Accordingly, according to one embodiment of the present invention, movement of the main body 20 is possible only when contact is detected by at least one pair of finger detection sensors 300 that are preset among the plurality of finger detection sensors 300. You can.

For example, in the case of the embodiment shown in FIG. 8, user contact is detected at the first and second sensors 301 and 302 and the seventh and eighth sensors 307 and 308, which are symmetrical with respect to the center of the handlebar 100, and the remaining The sensor can enable movement of the main body 20 only when no contact is detected.

As another example, the main body 20 may be allowed to move only when user contact is detected in the second and third sensors 302 and 303 and the sixth and seventh sensors 306 and 307, but no contact is detected in the remaining sensors. there is.

As another example, a total of three finger detection sensors 300 are disposed, with the first sensor 301 disposed on the left side of the handlebar 100, the second sensor 302 disposed in the center, and the third sensor 300 on the right. When the sensor 303 is disposed, the main body 20 moves only when user contact is detected by the first sensor 301 and the third sensor 303 and no contact is detected by the remaining second sensor 302. This may be possible.

At this time, of course, the total number of finger detection sensors 300 and the number and location of sensors where user contact must be detected can be appropriately selected as needed.

As shown in FIGS. 7 and 8, according to an embodiment of the present invention, a plurality of finger detection sensors 300 are used to guide the user to place his or her hand in the correct position on the handlebar 100, It is possible to prevent collisions with obstacles or injuries while driving the mobile X-ray imaging device 10.

In addition, in the case of the above-described embodiment, a plurality of finger detection sensors 300 are used to guide the user to place his or her hand in the correct position on the handlebar 100. However, as another example, although not shown in the drawing, the handlebar 100 The position of the hand placed on the handlebar 100 can be detected and the movement of the main body 20 can be controlled by using a plurality of palm detection sensors 200 spaced apart from each other at a predetermined distance along the longitudinal direction of the 100. Of course.

Although the embodiments of the present invention have been described above, it is understood that those skilled in the art can make various modifications without departing from the scope of the claims of the present invention.

100: handlebar
110: handlebar cover
120: switch cover
130: first side holder
140: second side holder
150: switch bracket
160: elastic member
200: Palm detection sensor
300: Finger detection sensor
400: limit switch

Claims (11)

In the handlebar of a mobile device that moves by the driving force of a drive motor,
A handle of a mobile device equipped with a palm detection sensor on one side of the handle bar and a finger detection sensor on the other side, and capable of operating the drive motor only when contact is detected by both the palm detection sensor and the finger detection sensor. bar. In claim 1,
A handlebar for a mobile device, further comprising a limit switch built into the handlebar and turned ON/OFF according to manipulation of the handlebar, wherein the drive motor can be operated only when the limit switch is in the ON state. In claim 1,
A handlebar for a mobile device, wherein a plurality of the finger detection sensors or the palm detection sensors are provided at predetermined intervals along the length of the handlebar. In claim 3,
A handlebar for a mobile device, wherein the drive motor can be operated only when contact is detected by one or more preset finger detection sensors or a plurality of palm detection sensors. In claim 3,
A mobile device characterized in that the drive motor can be operated only when contact is detected by at least one pair of finger detection sensors or at least one pair of palm detection sensors disposed at equal intervals in the left and right directions from the center of the handlebar. 's handlebar. In claim 1,
The handlebar of a mobile device, characterized in that it includes a handlebar cover equipped with the palm detection sensor, and a switch cover coupled to one side of the handlebar cover and equipped with the finger detection sensor. In claim 6,
The handle bar further includes a limit switch provided in a space between the handle bar cover and the switch cover, and a pressing portion is formed on one side of the switch cover to protrude in the direction of the limit switch. bar. In claim 7,
When the limit switch is turned on and contact is detected by the palm detection sensor and the finger detection sensor, the drive motor is rotated forward and backward according to the forward and backward movement of the handle bar. bar. In claim 6,
The handlebar includes a first side holder coupled to one end of the handlebar cover and the switch cover, a second side holder coupled to the other end of the handlebar cover and the switch cover, and the first side holder or the A handlebar for a mobile device, further comprising an elastic member provided on one of the second side holders and elastically supporting the switch cover. In claim 6,
The handlebar is a mobile device, characterized in that it further includes a through hole extending in the longitudinal direction of the handlebar cover, and a sensor cover coupled to the through hole and having the palm detection sensor installed inside. Handlebar. A body that moves by the driving force of a drive motor;
an X-ray irradiation unit provided on one side of the main body and irradiating X-rays to the subject; and
A mobile X-ray imaging device including the handlebar of the mobile device according to any one of claims 1 to 10, which is provided on the other side of the main body.

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