KR-20260063524-A - DEVICE AND METHOD FOR CONTROLLING AN EMERGENCY BELL TERMINAL INCLUDING A RESISTOR AND A P-CHANNEL MOSFET

Abstract

The control device of the present invention comprises: a first control unit that receives a first driving power through a first switch operated by a user; and a second control unit that receives the first driving power through a second switch. When the second switch is turned on, the second driving power is provided to the second control unit, and the first control unit can turn on the second switch when it receives the first driving power.

Inventors

• 김영탁

Assignees

• 숭실대학교산학협력단

Dates

Publication Date

20260507

Application Date

20241030

Claims (10)

1. A first control unit that receives first driving power through a first switch operated by a user; A second control unit that receives first driving power through a second switch; including When the second switch is turned on, the second driving power is supplied to the second control unit, The first control unit is a control device that turns on the second switch when the first driving power is provided.
2. In paragraph 1, The above-mentioned first switch is provided, The first switch is formed to be in an on state where the first driving power is supplied to the first control unit when operated by a user. The first switch is formed to be in an off state such that when user operation is released, the first driving power provided to the first control unit is cut off. The first control unit above operates by the first driving power provided through the ON state of the first switch, and The first control unit, which operates by the first driving power, performs a control operation to turn on the second switch, and The first control unit terminates operation due to the interruption of the first driving power when the first switch is turned off, and The first control unit is a control device that maintains an operation termination state until the first switch is turned on again.
3. In paragraph 1, The above-mentioned second switch is provided, The second control unit performs a setting operation when the second driving power is provided, and When the second switch is turned off, the second driving power supplied to the second control unit is cut off, The second control unit turns off the second switch when the setting operation is completed, and The second switch is configured to be turned on by the first control unit and turned off by the second control unit, and A control device in which the second driving power supplied to the second control unit is blocked until the second switch is turned on again by the first control unit.
4. In paragraph 1, The first control unit and the second control unit are mounted on a single semiconductor chip provided with a switch control terminal, and The above switch control terminal is electrically connected to the control terminal of the second switch, and The first control unit is formed to provide an ON signal to the switch control terminal to turn on the second switch, and The second control unit is configured to receive the second driving power and perform a setting operation when the second switch is turned on, and The above second control unit is a control device formed to provide an off signal to the switch control terminal to turn off the second switch when the above setting operation is completed.
5. In paragraph 4, The second switch above includes an input terminal, an output terminal, and a control terminal, and The above input terminal is electrically connected to a power source, and The above output terminal is electrically connected to the power input terminal of the semiconductor chip, and The above control unit is a control device electrically connected to the switch control terminal of the semiconductor chip.
6. In paragraph 5, The second switch above includes a P-channel MOSFET (Metal Oxide Silicon Field Effect Transistor), and The source of the above MOSFET becomes the input terminal, and The gate of the above MOSFET becomes the control stage, and The drain of the above MOSFET becomes the output terminal, and The first control unit provides a low signal to the switch control terminal, and The second control unit is a control device that provides a high signal with a voltage higher than the low signal to the switch control terminal.
7. In paragraph 6, A pull-up resistor is provided that is connected in parallel to the source and gate of the above MOSFET, and The above pull-up resistor is a control device that normally maintains the above switch control terminal in the state of the above high signal.
8. In paragraph 5, The first switch is connected in parallel to the input and output terminals of the second switch, and The first driving power includes power provided from the power source to the power input terminal via the first switch, and The second driving power includes power provided from the power source to the power input terminal via the second switch, and The above first driving power and the above second driving power are control devices having the same voltage.
9. In a control method performed by a control device, A first control step of turning on a second switch when a first driving power is provided; A second control step for performing a setting operation using the second driving power provided by turning on the second switch; is included. The second control step is a control method that turns off the second switch so that the provision of the second driving power is cut off when the setting operation is completed.
10. As a program for controlling an emergency bell control device, A first control step of turning on a second switch when a first driving power is provided; A second control step of performing a setting operation to transmit an emergency signal indicating an emergency situation to a setting device using the second driving power provided by turning on the second switch, and turning off the second switch when the setting operation is completed; A computer program stored on a recording medium that executes.

Description

Device and method for controlling an emergency bell terminal including a resistor and a p-channel MOSFET The present invention relates to a device and method for controlling an emergency bell terminal. An emergency bell system or emergency bell terminal is an important device that ensures people's safety by rapidly sending out an alarm in emergency situations. However, the button circuit of the emergency bell terminal consumes power due to its constant standby state. This shortens battery life and increases maintenance costs. Therefore, there is a need to develop an electronic circuit that minimizes the power consumption of the button circuit. FIG. 1 is a block diagram showing a control device according to one embodiment of the present invention. FIG. 2 is a schematic diagram showing an emergency bell system including a terminal to which a control device according to one embodiment of the present invention is applied. FIG. 3 is a schematic diagram showing an emergency bell terminal to which a control device according to one embodiment of the present invention is applied. FIG. 4 is a circuit diagram showing an emergency bell terminal to which a control device according to one embodiment of the present invention is applied. FIG. 5 is a flowchart illustrating a control method according to an embodiment of the present invention. FIG. 6 is a flowchart showing the operation of a control device according to one embodiment of the present invention. Embodiments of the present invention are described below with reference to the attached drawings so that those skilled in the art can easily implement them. However, the present invention may be embodied in various different forms and is not limited to the embodiments described herein. Furthermore, in order to clearly explain the present invention in the drawings, parts unrelated to the explanation have been omitted, and similar parts throughout the specification are denoted by similar reference numerals. In this specification, redundant descriptions of identical components are omitted. Furthermore, when a component is described in this specification as being 'connected' or 'connected' to another component, it should be understood that it may be directly connected to or connected to the other component, or that there may be other components in between. On the other hand, when a component is described in this specification as being 'directly connected' or 'directly connected' to another component, it should be understood that there are no other components in between. Furthermore, the terms used in this specification are used merely to describe specific embodiments and are not intended to limit the invention. Additionally, in this specification, singular expressions may include plural expressions unless the context clearly indicates otherwise. Furthermore, in this specification, terms such as 'comprising' or 'having' are intended merely to indicate the existence of the features, numbers, steps, actions, components, parts, or combinations thereof described in the specification, and should be understood as not excluding in advance the existence or addition of one or more other features, numbers, steps, actions, components, parts, or combinations thereof. Additionally, in this specification, the term "and/or" includes a combination of the plurality of described items or any of the plurality of described items. In this specification, "A or B" may include "A," "B," or "both A and B." In addition, detailed descriptions of known functions and configurations that may obscure the essence of the invention will be omitted in this specification. FIG. 1 is a block diagram showing a control device (100) according to an embodiment of the present invention. FIG. 2 is a schematic diagram showing an emergency bell system including a terminal to which the control device (100) according to an embodiment of the present invention is applied. FIG. 3 is a schematic diagram showing an emergency bell terminal (10) to which the control device (100) according to an embodiment of the present invention is applied. FIG. 4 is a circuit diagram showing an emergency bell terminal (10) to which the control device (100) according to an embodiment of the present invention is applied. The control device (100) may include a first switch (110), a second switch (120), and a control unit (130). The first switch (110) and the second switch (120) can be arranged in parallel between the control unit (130) and the power supply (105). One end of the first switch (110) can be electrically connected to the power supply (105) and the other end can be electrically connected to the control unit (130). Similar to the first switch (110), the second switch (120) can have one end electrically connected to the power supply (105) and the other end electrically connected to the control unit (130). The first switch (110) and the second switch (120) can each be switched with the power supply (105) and the control unit (130) electric