KR102549292B1 - Repositionable Velcro Type Wireless Emergency Switch System - Google Patents

Abstract

The present invention relates to a velcro-type wireless emergency switch system that can be moved in position, and a technical problem to be solved is to provide a wireless emergency switch system that can be attached to and detached from a worker's work clothes. To this end, the present invention provides an attaching unit that is detachable from a worker's working clothes, a contact unit provided on the attaching unit to turn power on or off by a button press operation of a worker, and a transmission unit that transmits the on/off state of the contact unit as a wireless signal. an emergency switch unit having; and a receiving unit receiving the on/off state signal from the transmitter of the emergency switch unit, a control unit receiving the on/off state signal from the receiving unit and determining whether to stop the industrial equipment, and equipment stopping the operation of the industrial equipment by a control signal from the control unit. Disclosed is a Velcro-type wireless emergency switch system that includes an equipment stop unit having an output unit for outputting a stop signal and is movable.

Description

Repositionable Velcro Type Wireless Emergency Switch System {Repositionable Velcro Type Wireless Emergency Switch System}

The present invention relates to a velcro-type wireless emergency switch system capable of positioning.

In general logistics systems, belt conveyors are used for rapid transfer and transportation of various items. Such a belt conveyor is assembled with a driving unit including a motor and a reducer, a rubber belt, and numerous rollers to support the rubber belt and move items, and may also include an emergency switch capable of stopping in case of emergency.

On the other hand, a conveyor system that operates continuously requires periodic inspection and repair, and malfunctions and repairs occur frequently. Emergency stop switches are installed in such a conveyor system to prevent accidents caused by accidents to workers, such as sudden dangerous situations during repair work, or problems caused by abnormal operation of equipment.

For example, the emergency stop switch according to the prior art shorts the power of the conveyor system to a body portion in which a switch electrically connected to the conveyor system is embedded, and a rotating shaft that passes through the switch of the body portion in a lateral direction and rotates at the center of the switch. It has a lever, etc. Such conventional emergency stop switches for conveyor systems are attached to the periphery of the conveyor system at intervals of approximately 10 meters. Therefore, when it is determined that an emergency stop of the conveyor system is necessary, the operator operates an emergency stop switch approximately 10 meters away.

However, when a worker gets caught in a conveyor system or gets crushed, it is difficult for the worker to actually operate the emergency switch even if the distance between the worker and the emergency switch is approximately 1 meter.

The above-described information disclosed in the background art of the present invention is only for improving the understanding of the background of the present invention, and thus may include information that does not constitute prior art.

An object to be solved by the present invention is to provide a Velcro-type wireless emergency switch system that can be directly attached to and detached from any worker's working clothes and can be moved to operate a conveyor emergency switch anytime, anywhere.

A velcro-type wireless emergency switch system capable of positioning according to the present invention includes an attachment part detachable from a worker's working clothes, a contact part provided on the attachment part and turning on/off power by an operator's button press operation, and an on/off contact part. an emergency switch unit having a transmission unit that transmits a status as a radio signal; and a receiving unit receiving the on/off state signal from the transmitter of the emergency switch unit, a control unit receiving the on/off state signal from the receiving unit and determining whether to stop the industrial equipment, and equipment stopping the operation of the industrial equipment by a control signal from the control unit. It may include an equipment stop section having an output section for outputting a stop signal.

In some examples, the attachment portion includes a loop surface attached to the worker's work clothes and a hook surface attached to the contact portion, and the loop surface may be detachable from the loop surface.

In some examples, the contact unit includes an upper film having an upper switch pattern, a middle film attached to the lower surface of the upper film and having an intermediate opening formed in a region corresponding to the upper switch pattern, and an upper switch pattern and intermediate opening attached to the lower surface of the intermediate film. A lower film having a lower switch pattern formed in an area corresponding to the lower film may be included, and an attachment portion may be formed on a lower surface of the lower film.

In some examples, the top, middle and bottom films are polyethylene (PE), polypropylene (PP), polystyrene (PS), polyethylene terephthalate (PET) or polyamide ( polyamides, PA, nylon).

In some examples, the emergency switch unit may transmit unique number information to the equipment stop unit along with the on-off status signal.

In some examples, the emergency switch unit may transmit an on signal to the equipment stopping unit before the operator's button pressing operation and an off signal to the equipment stopping unit after the operator's button pressing operation.

The present invention provides a velcro-type wireless emergency switch system that can be directly attached to and detached from any worker's work clothes and can be moved to operate a conveyor emergency switch anytime, anywhere.

For example, the present invention attaches the loop surface to the worker's work clothes and attaches the hook surface to the contact part of the wireless emergency switch unit (ie, by having an attachment part), so that the hook surface can be easily attached to and detached from the loop surface, Accordingly, the wireless emergency switch unit can be directly attached or detached to any part of the worker's work clothes. Therefore, when a worker is caught in a conveyor system or has a crushing accident, the worker immediately operates an emergency switch, thereby immediately stopping the operation of the conveyor system to ensure the safety of the worker.

1 is a block diagram showing an exemplary location-movable Velcro-type wireless emergency switch system according to the present invention.
2A and 2B are cross-sectional views showing an exemplary emergency switch in a velcro-type wireless emergency switch system that is movable in an exemplary position according to the present invention.
3 is an exploded perspective view showing an exemplary contact portion and an exemplary attachment portion in an exemplary movable Velcro-type wireless emergency switch system according to the present invention.
4A and 4B are plan views illustrating the operation of an exemplary emergency switch unit in an exemplary movable Velcro-type wireless emergency switch system according to the present invention.
5A and 5B are cross-sectional views showing an exemplary emergency switch unit in an exemplary movable Velcro-type wireless emergency switch system according to the present invention.
6A and 6B are plan views illustrating the operation of an exemplary emergency switch unit in an exemplary movable Velcro-type wireless emergency switch system according to the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The present invention is provided to more completely explain the present invention to those skilled in the art, and the following examples can be modified in many different forms, and the scope of the present invention is to the following examples It is not limited. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the spirit of the invention to those skilled in the art.

In addition, in the following drawings, the thickness or size of each layer is exaggerated for convenience and clarity of explanation, and the same reference numerals refer to the same elements in the drawings. As used herein, the term "and/or" includes any one and all combinations of one or more of the listed items. In addition, the meaning of "connected" in the present specification means not only when member A and member B are directly connected, but also when member A and member B are indirectly connected by interposing member C between member A and member B. do.

Terms used in this specification are used to describe specific embodiments and are not intended to limit the present invention. As used herein, the singular form may include the plural form unless the context clearly indicates otherwise. Also, when used herein, “comprise, include” and/or “comprising, including” refers to a referenced form, number, step, operation, member, element, and/or group thereof. presence, but does not preclude the presence or addition of one or more other shapes, numbers, operations, elements, elements and/or groups.

In this specification, terms such as first and second are used to describe various members, components, regions, layers and/or portions, but these members, components, regions, layers and/or portions are limited by these terms. It is self-evident that These terms are only used to distinguish one element, component, region, layer or section from another region, layer or section. Thus, a first member, component, region, layer or section described in detail below may refer to a second member, component, region, layer or section without departing from the teachings of the present invention.

Space-related terms such as “beneath,” “below,” “lower,” “above,” and “upper” are associated with an element or feature shown in a drawing. It can be used for easy understanding of other elements or features. Terminology related to this space is for easy understanding of the present invention according to various process conditions or use conditions of the present invention, and is not intended to limit the present invention. For example, if an element or feature in a figure is turned over, an element or feature described as "lower" or "below" becomes "above" or "above." Accordingly, "below" is a concept encompassing "upper" or "below".

In addition, the control unit (controller) and/or other related devices or components according to the present invention may be implemented using any suitable hardware, firmware (eg, application specific semiconductor), software, or a suitable combination of software, firmware, and hardware. can For example, various components of a control unit (controller) and/or other related devices or parts according to the present invention may be formed on one integrated circuit chip or on separate integrated circuit chips. In addition, various components of the control unit (controller) may be implemented on a flexible printed circuit film, and may be formed on a tape carrier package, a printed circuit board, or the same substrate as the control unit (controller). In addition, various components of the control unit (controller) may be processes or threads executed in one or more processors in one or more computing devices, which execute computer program instructions to perform various functions mentioned below. and can interact with other components. Computer program instructions are stored in memory that can be executed in a computing device using standard memory devices, such as, for example, random access memory. Computer program instructions may also be stored on other non-transitory computer readable media, such as, for example, a CD-ROM, flash drive, or the like. In addition, those skilled in the art related to the present invention will understand that the functions of various computing devices can be combined with each other, integrated into one computing device, or the functions of a particular computing device can be incorporated into one or more other computing devices without departing from the exemplary embodiments of the present invention. It should be recognized that it can be dispersed in the field.

For example, the control unit (controller) according to the present invention is a central processing unit, a mass storage device such as a hard disk or a solid-state disk, a volatile memory device, an input device such as a keyboard or mouse, and an output device such as a monitor or printer. of commercial computers.

1 is a block diagram showing an exemplary location movable Velcro type wireless emergency switch system 100 according to the present invention.

In the example shown in FIG. 1 , the Velcro-type wireless emergency switch system 100, which can be moved in an exemplary location according to the present invention, includes an emergency switch unit 110, a wired/wireless network 120, and an equipment stop unit 130. can include Although only one emergency switch unit 110 is shown in the drawing, a number of such emergency switch units 110 are assigned a unique number and may be provided for each operator.

The emergency switch unit 110 may include a battery 111, an attachment unit 112, a contact unit (or switch unit) 113, and a transmission unit 114.

The battery 111 may include a primary battery or a rechargeable secondary battery. In some examples, the battery 111 may be self-charged by a piezoelectric charger that self-generates due to vibration or shaking of industrial equipment.

The attachment part 112 can be directly attached or detached from the worker's working clothes. Here, working clothes do not mean only clothes worn by workers. For example, it may be a conveyor system or a concept that includes all buildings or structures in which the conveyor system is installed. Thus, workwear may also include concrete/cement pillars or floors. The structure and principle of the attachment part 112 will be described in detail again below.

The contact unit 113 can turn on/off power from the battery 111 by an operator's button-pressing operation. In some examples, in a normal state (not performing a button press operation), the contact may remain off. In some examples, in a locked state (performing a button press operation), the contact may remain on. The structure and principle of the contact unit 113 will be described again below.

The transmission unit 114 may convert the on/off state of the contact unit 113, for example, the off state or the on state into a wireless signal and transmit the signal to the wired/wireless network 120 and/or the equipment stop unit 130. .

The wired/wireless network 120 may include Wi-Fi, Bluetooth, ZigBee, 4G or 5G communication networks. In this way, the transmission unit 114 of the wireless switch unit 110 may be connected to the wired/wireless network 120 through a Wi-Fi communication method, a Bluetooth communication method, a ZigBee communication method, a 4G communication method, or a 5G communication method. In some examples, the wired/wireless network 120 may also be connected to the receiver 131 of the equipment stop unit 130 through a Wi-Fi communication method, a Bluetooth communication method, a ZigBee communication method, a 4G communication method, or a 5G communication method. In some examples, the wired or wireless network 120 may be connected to the equipment stop unit 130 through a wired communication network.

The equipment stop unit 130 may include a receiver 131, a control unit 132, and an output unit 133. The receiving unit 131 may receive an on/off state signal from the transmitting unit 114 of the emergency switch unit 110 . In some examples, the receiver 131 may receive an off-state signal or an on-state signal from the transmitter 114 of the emergency switch 110 through the wired/wireless network 120 .

The controller 132 may receive an on/off state signal from the receiver 131 and determine whether to stop the industrial equipment. In some examples, the control unit 132 determines to continue operating the industrial equipment upon receiving the OFF state signal from the receiver 131 . In some examples, the control unit 132 determines to determine the industrial equipment upon receiving the on state signal from the receiver 131 . The reverse is also possible. In some examples, the control unit 132 transmits a run signal to the output unit 133 if it is determined to operate the industrial equipment, and sends a stop signal to the output unit 133 if it is determined to stop the industrial equipment.

The output unit 133 outputs an equipment stop signal for stopping the operation of industrial equipment by a control signal (eg, a stop signal) of the control unit 132 . In some examples, the output unit 133 outputs a stop signal to the power supply unit responsible for powering the industrial equipment so that the power unit does not apply power to the industrial equipment. Accordingly, the operation of the industrial equipment may be stopped by the output signal of the output unit 133 . For example, the output unit 133 may stop the operation by outputting a stop signal to a power supply unit of a driving motor that operates the conveyor belt.

In some examples, the emergency switch unit 110 may transmit unique number information to the equipment stop unit 130 along with the on/off state signal. Therefore, the manager of the equipment stopping unit 130 can quickly grasp at which position or operator the emergency switch unit 110 has been operated, or at which position there is an abnormality in the power supply of the emergency switch unit 110. Of course, for this purpose, the control unit 132 may transmit various monitoring results to the manager server computer.

In this way, the present invention can secure the safety of the operator by immediately stopping the operation of the conveyor system by immediately operating the emergency switch when the operator is caught in or crushed by the conveyor system.

2A and 2B are cross-sectional views showing an exemplary emergency switch unit 110 in a velcro-type wireless emergency switch system 100 capable of movable exemplary location according to the present invention, and FIG. 3 is an exemplary location movable according to the present invention. It is an exploded perspective view showing an exemplary contact part 113 and an exemplary attachment part 112 among possible Velcro-type wireless emergency switch systems 100.

Exemplary emergency switch unit 110 according to the present invention may include a battery (not shown), an attachment unit 112, a contact unit 113, and a transmission unit (not shown).

The attachment part 112 may include a loop surface 1122 attached to a worker's work clothes and a hook surface 1121 attached to the contact part 113 . In this way, the hook face 1121 can be freely attached to and detached from the loop face 1122. Here, the loop surface 1122 may be attached to a conveyor system, a building or structure in which the conveyor system is installed, a concrete/cement pillar, or a floor surface, as well as a worker's working clothes.

Meanwhile, the contact portion 113 may include an upper film 1131 , a middle film 1132 , and a lower film 1133 .

An upper switch pattern 1134 may be provided on a lower surface of the upper film 1131 . The upper switch pattern 1134 may be provided by depositing, printing, or plating copper, gold, or silver on the lower surface of the upper film 1131 .

The middle film 1132 may be attached to the lower surface of the upper film 1131 . An intermediate opening 1136 may be provided in a region corresponding to the upper switch pattern 1134 of the intermediate film 1132 .

The lower film 1133 may be attached to the lower surface of the middle film 1132 . A lower switch pattern 1135 may be provided on an upper surface of the lower film 1133 in a region corresponding to the upper switch pattern 1134 and the middle opening 1136 . The lower switch pattern 1135 may be provided by depositing, printing, or plating copper, gold, or silver on the upper surface of the lower film 1133 . Here, the attachment part 112 may be attached to the lower surface of the lower film 1133 .

In some examples, the top film 1131, middle film 1132, and bottom film 1133 may be polyethylene (PE), polypropylene (PP), polystyrene (PS), polyethylene terephthalate , PET, PET) or polyamides (PA, nylon). In some examples, the top film 1131, the middle film 1132, and the bottom film 1133 may be adhered to each other by a double-sided adhesive, respectively.

In some examples, the upper film 1131 , the middle film 1132 , the lower film 1133 , the upper switch pattern 1134 and the lower switch pattern 1135 may have a thickness of about 1 μm to about 1000 μm.

In some examples, before the operator presses the upper film 1131, the upper switch pattern 1134 and the lower switch pattern 1135 are electrically separated by the elastic force of the upper film 1131 and the upper switch pattern 1134. Maintaining the OFF state, the transmission unit 114 may transmit such an OFF state signal.

In some examples, while the operator presses the upper film 1131, the upper switch pattern 1134 and the lower switch pattern 1135 are in electrical contact with each other to maintain an on state, and the transmitter 114 transmits such an on state signal can be sent

On the other hand, the attachment part 112 includes a loop surface 1122 and a hook surface 1121 as described above, and when the hook surface 1121 is coupled to the loop surface 1122, the emergency switch unit 110 is attached to work clothes. When attached and the hook surface 1121 is separated from the loop surface 1122, the emergency switch unit 110 can be separated from the work clothes.

In this way, the present invention can secure the safety of the operator by immediately stopping the operation of the conveyor system by immediately operating the emergency switch when the operator is caught in or crushed by the conveyor system.

4A and 4B are plan views illustrating the operation of an exemplary emergency switch unit 110 in an exemplary movable Velcro-type wireless emergency switch system 100 according to the present invention.

As shown in FIG. 4A, in the emergency switch unit 110, the upper switch pattern 1134 and the lower switch pattern 1135 are separated from each other before the operator presses the switch to transmit an off signal to the equipment stop unit 130, As shown in FIG. 4B , after the operator's pressing operation, the upper switch pattern 1134 and the lower switch pattern 1135 may transmit a signal to the equipment stop 130 as they come into contact with each other. Of course, the reverse is also possible.

In some examples, in the present invention, the operation of the industrial equipment is possible with the main contact (a contact: Normally Open-normally unconnected (open) and closed when the switch operates) in an off state, and the main Operation of industrial equipment may be impossible while the contact (a contact) is on. The reverse is also possible (contact b).

In this way, the present invention can provide a Velcro-type wireless emergency switch system that can be directly attached to and detached from any worker's work clothes and can be moved to operate a conveyor emergency switch anytime, anywhere. For example, the present invention attaches the loop surface to the worker's work clothes and attaches the hook surface to the contact part of the wireless emergency switch unit (ie, by having an attachment part), so that the hook surface can be easily attached to and detached from the loop surface, Accordingly, the wireless emergency switch unit can be directly attached or detached to any part of the worker's working clothes. Therefore, when a worker is caught in a conveyor system or has a crushing accident, the worker immediately operates an emergency switch, thereby immediately stopping the operation of the conveyor system to ensure the safety of the worker.

5A and 5B are cross-sectional views showing an exemplary emergency switch unit 110 in an exemplary location-movable wireless emergency switch system 100 according to the present invention.

An exemplary emergency switch unit 110 according to the present invention includes a battery 111 (not shown), a contact unit 113, a spring 116 and a transmission unit 114 (not shown) in a housing 115, A push button 117 for operating the contact part 113 is provided on the upper part of the housing 115, and an attachment part 112 for attaching the emergency switch part 110 to work clothes is provided on the lower part of the housing 115. can

In some examples, before pressing the button 117, the contact part 113 is connected by the elastic force of the spring 116 (upper and lower contact parts are connected to each other) to maintain an on state, and the transmitter 114 is in this on state signal can be transmitted. In some examples, when the button 117 is pressed, the spring 116 is pressurized and the contact unit 113 is separated to maintain an off state, and the transmission unit 114 may transmit such an off state signal.

6A and 6B are cross-sectional views illustrating the operation of an exemplary emergency switch unit 110 in an exemplary location-movable wireless emergency switch system 100 according to the present invention.

As shown in FIGS. 6A and 6B, the emergency switch unit 110 transmits an on signal of the contact unit 113 to the equipment stop unit 130 before the operator's button 117 is pressed, and the operator's button ( 117) After the pressing operation, the OFF signal of the contact unit 113 may be transmitted to the equipment stop unit 130. That is, in the present invention, the operation of the industrial equipment is possible while the main contact (contact b) is on, and the operation of the industrial equipment is impossible when the main contact (contact b) is off.

What has been described above is only one embodiment for implementing an exemplary location-movable Velcro-type wireless emergency switch system according to the present invention, the present invention is not limited to the above-described embodiment, and claims in the following claims As such, anyone skilled in the art in the field to which the present invention belongs without departing from the gist of the present invention will say that the technical spirit of the present invention exists to the extent that various changes can be made.

100; Removable velcro type wireless emergency switch system
110; Emergency switch unit 111; battery
112; Attachment 1121; hook side
1122; loop surface 113; Contact part
1131; top film 1132; medium film
1133; bottom film 1134; upper switch pattern
1135; lower switch pattern 1136; middle opening
114; Transmitter 120; wired/wireless network
130; equipment stop 131; receiver
132; control unit 133; output

Claims (6)

An emergency switch unit having an attaching unit detachable from a worker's working clothes, a contact unit provided on the attaching unit to turn on and off power by an operator's button press operation, and a transmitter configured to transmit an on/off state of the contact unit as a wireless signal; and
A receiving unit receiving the on/off state signal from the transmitter of the emergency switch unit, a control unit receiving the on/off state signal from the receiving unit and determining whether to stop the industrial equipment, and stopping the operation of the industrial equipment by a control signal from the control unit. Includes an equipment stop having an output for outputting a signal;
The contact part includes an upper film on which an upper switch pattern is formed, an intermediate film attached to the lower surface of the upper film and having an intermediate opening formed in an area corresponding to the upper switch pattern, and an area attached to the lower surface of the intermediate film and corresponding to the upper switch pattern and the intermediate opening. A Velcro-type wireless emergency switch system comprising a lower film having a lower switch pattern formed thereon, and having an attachment portion formed on the lower surface of the lower film. According to claim 1,
The attachment part includes a loop surface attached to the worker's work clothes and a hook surface attached to the contact part, and the hook surface is detachably attached to the loop surface. delete According to claim 1,
The top film, middle film and bottom film are made of polyethylene (PE), polypropylene (PP), polystyrene (PS), polyethylene terephthalate (PET) or polyamides (PA, Nylon), a movable Velcro type wireless emergency switch system. According to claim 1,
The emergency switch unit transmits the unique number information along with the on/off state signal to the equipment stop unit, a movable Velcro type wireless emergency switch system. According to claim 1,
The emergency switch unit transmits an on signal to the equipment stop before the operator presses the button and transmits an off signal to the equipment stop after the operator presses the button.

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