JPH0585181B2 - - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a multifunctional electric bed control system that solves problems such as wiring work.

[0002]

[Prior Art] Conventionally, in an electric bed, the method of supplying operation control signals to the motor, which is the drive source, is to control the operation of the motor by key-in operation of a remote control switch equipped with an operation switch installed near the patient's bedside. A corded remote control system has been adopted in which signals are transmitted via a code.

【0003】

[Problems to be Solved by the Invention] Therefore, when attempting to provide multiple functions to the content controlled by the remote control, the circuits that make up the remote control become complicated, and the wiring work becomes difficult. .
The present invention has been proposed in order to overcome such inconveniences, and it is an object of the present invention to provide a control system for an electric bed in which a remote control switch and a control box are equipped with a microcomputer to transmit and receive control signals. purpose.

[0004]

[Means for Solving the Problems] In order to solve the above-mentioned problems, the present invention provides a control box near the patient's bedside equipped with a control box that sends an operation control signal to a motor as a drive source of an electric bed, and an operation switch. It has a remote control switch installed in the bed and an infrared transmitter/receiver installed on the outside of the board of the electric bed, and is installed on the wall of a hospital room, etc., and serves as a repeater for transmitting and receiving various information between the nursing station and the hospital room. The present invention is characterized in that an infrared transmitter/receiver is provided, and the remote control switch and the control box, or the control box and the infrared transmitter/receiver provided outside the board are connected to cables, respectively. The present invention also provides a control box that sends operation control signals to the motor as a drive source of the electric bed, a remote control switch installed near the patient's bedside equipped with an operation switch, and a remote control switch installed on the outside of the board of the electric bed. The infrared transmitter/receiver is installed on the wall of the hospital room, etc., and is installed in the repeater for transmitting and receiving various information between the nurse station and the hospital room, and the infrared transmitter/receiver is installed on the side of the bed and in the control box. It is characterized by having a configuration in which a signal is sent and received between the remote control switch and the control box, and a cable connects the control box and an infrared transmitter/receiver provided on the outside of the board. It is something. The present invention also provides a control box that sends operation control signals to the motor as a drive source of the electric bed, a remote control switch installed near the patient's bedside equipped with an operation switch, and a remote control switch installed on the outside of the board of the electric bed. The infrared transmitter/receiver is installed on the wall of the hospital room, etc., and is installed on a repeater for transmitting and receiving various information between the nurse station and the hospital room, and the infrared transmitter/receiver is installed on the remote control switch and the side of the bed. The infrared transmitter/receiver on the side of the bed is connected to the control box by a cable, and the control box and the infrared transmitter/receiver provided on the outside of the board are connected by cables. That is. Furthermore, in the control system, a plurality of infrared transmitters and receivers for exchanging signals with the remote control switch are provided on the side of the bed.

【0005】

[Operation] When there is a key input on the remote control switch, the key signal becomes a predetermined control signal and is transmitted to the control box through the cable to control the drive of the motor. Further, if the control signal includes a signal to the nurse station, this signal is converted into an infrared signal by an infrared transmitter/receiver outside the board of the bed, and is emitted toward the infrared transmitter/receiver in the repeater. The repeater receives the signal from the bed and simultaneously transmits it to the nursing station.

[0006] Furthermore, in a system in which an infrared transmitter/receiver is provided on the side of the bed and the control box to exchange signals between the remote control switch and the control box, the key signal in the remote control switch is a predetermined control signal. This control signal is transmitted through a cable to an infrared transceiver located on the side of the bed. This infrared transmitter/receiver converts the signal into an infrared signal, which is then received by the infrared transmitter/receiver of the control box. Then, drive control of the motor is performed based on the infrared signal. Furthermore, if the infrared transmitter/receiver is provided at a plurality of locations on the side of the bed, the remote control switch can be connected and used at an easy-to-handle position.

[0007] Furthermore, in the case of a method in which an infrared transmitter/receiver is provided on the remote control switch and information is exchanged with the control box or a repeater using infrared signals, data transmission and reception between the remote control switch and the infrared transmitter/receiver on the side of the bed is possible. In addition to transmitting the signal to the control box via a cable, the infrared signal can also be transmitted directly from the remote control switch to the infrared transmitter/receiver of the repeater. According to this method, only wiring within the bed is required, and the remote control switch is not restricted by cables, so the remote control switch can be stored in any position. Furthermore, if the infrared transmitter/receiver is provided at multiple locations on the side of the bed, the remote control switch can be operated from an easy-to-handle position.

[0008] In this way, since infrared rays are used as a means for transmitting and receiving control signals, they are resistant to external disturbances, and in a hospital room where an infrared receiver is installed on a repeater on the wall of the hospital room, neither of the above methods can be used. , can be used selectively.

【0009】

[Embodiment] Next, an embodiment of the electric bed control system according to the present invention will be described below with reference to the accompanying drawings. This control system includes a wired remote control system that differs in the signal exchange method between the remote control switch (described later) installed near the patient's bedside and the control box of the motor that is the drive source.
A semi-wired remote control method and a wireless remote control method can be applied. The explanation will be given below.

[0010] First, FIG. 1 shows a bed 1 in a hospital room equipped with a wired remote control type control system. This bed 1 is an electric bed, and a motor 2 serves as a driving source for the electric bed.
3 and 4 are provided, and this motor 2 to
A control system 5 is provided for controlling 4. This control system 5 includes a control box 7 connected to the motors 2 to 4 via signal lines 6, and a control box 7 installed near the patient's bedside, which is connected to the control box 7 via a cord 8 consisting of a 4-core cable. It has a remote control switch 9. In addition, an infrared transmitter/receiver 11 is installed on the outside of the board 10 of the bed 1, and the infrared transmitter/receiver 11 is connected to a repeater 13 installed on the wall 12 of the hospital room for transmitting and receiving various information to and from the nursing station. provided. The control box 7 and an infrared transmitter/receiver 11 provided outside the board 10 are connected by a cord 14 consisting of a four-core cable.

[0011] Here, the above-mentioned wired remote control type control system 5 will be described in further detail with a block diagram shown in FIG. That is, the remote control switch 9 has a built-in microcomputer 15. Although not shown, the microcomputer 15 includes a central processing unit (CPU), memory (ROM,
It basically consists of RAM) and input/output devices (I/O ports). That is,
The microcomputer 15 takes in the key signal from the remote control switch 9 and converts it into serial data.
It has a function of supplying a display signal to the display means 16 and transmitting it as a control signal to the control box 7 via the code 8. The control box 7, like the remote control switch 9, is connected to the microcomputer 1.
7, which supplies drive control signals to the motors 2 to 4, captures signals related to the operating states of the motors 2 to 4, and supplies signals to be transmitted to the nurse station to the infrared transmitter/receiver 11 on the outside of the board 10. It has the function of The infrared transmitter/receiver 11 outside the board 10 converts the signal into an infrared signal, and transmits the signal to the infrared transmitter/receiver 11 in the repeater 13.

[0012] In the wired remote control control system 5 configured as described above, when a key input is made to the remote control switch 9, the key signal is converted into serial data by the microcomputer 15 and sent to the microcomputer 17 of the control box 7 through the code 8. The drive control signal is transmitted to the motors 2-4, and the drive control of the motors 2-4 is performed. Further, the microcomputer 17 of the control box 7 takes in signals related to the operating states of the motors 2 to 4, outputs them through the code 8 to the microcomputer 15 of the remote control switch 9, converts the signals into predetermined display signals, and displays the signals. 16, the patient can grasp the operating status of the motors 2-4. Furthermore, signals related to the operating status of the motors 2 to 4 and key signals are transmitted to the infrared transmitter/receiver 11 on the outside of the board 10 of the bed through the cord 14, converted into infrared signals by the infrared transmitter/receiver 11, and transmitted to the repeater 13. Infrared transmitter/receiver 1
It is radiated towards 1. These signals are received from the repeater 13 and sent to the nursing station at the same time, so the nursing station can monitor not only the patient but also the condition of the bed the patient is using. .

[0013] Next, FIG. 3 shows a control system that employs a semi-wired remote control system in which an infrared transmitter/receiver 11 is provided on the side of the bed and the control box 7 to exchange signals between the remote control switch 9 and the control box 7. system 2
0 will be explained. In this embodiment, components having substantially the same functions as the components constituting the above-described embodiment are given the same reference numerals and explanations thereof will be omitted.

[0014] In this control system 20,
An infrared transmitter/receiver 11 is provided on the side of the bed 1 and the control box 7 to exchange signals between the remote control switch 9 and the control box 7. The infrared transmitter/receiver 11 is provided on both sides of the bed 1, and is configured to selectively connect the cord 8 of the remote control switch 9 according to the patient's convenience.

[0015] Furthermore, such a control system 2
0 is shown in FIG. 4, the signal from the microcomputer 15 at the remote control switch 9 is transmitted through the cord 8 to the infrared transmitter/receiver 11 on the side of the bed 1.
The infrared signal is converted into an infrared signal by the infrared transmitter/receiver 11, and then input to the microcomputer 17 via the infrared transmitter/receiver 11 in the control box 7.

[0016] Therefore, in the control system 20 that adopts the semi-wired remote control method, the microcomputer 15 in the remote control switch 9
The key signal converted to serial data by
The signal is transmitted through the cord 8 to an infrared transmitter/receiver 11 located on the side of the bed 1, where it is converted into an infrared signal and taken into the infrared transmitter/receiver 11 of the control box 7.
The signal is then supplied from the microcomputer 17 to the motors 2 to 4, and drive control of the motors 2 to 4 is performed based on the key signal.

[0017] Furthermore, FIG. 5 shows a wireless remote control type control system 30. In this control system 30, the remote control switch 9 is provided with an infrared transmitter/receiver 11, and information is exchanged with the control box 7 and the repeater 13 by infrared signals. In this case, the infrared transmitter/receiver 11 on the side of the bed 1 is connected to the control box 7 by an extension cord 31 of the infrared transmitter/receiver 11. In addition, as shown in FIG. 6, the remote control switch 9
, the repeater 13 directly connects the infrared transmitter/receiver 1
1, the configuration is such that signals can be exchanged.

[0018] According to this method, data is transmitted and received between the remote control switch 9 and the infrared transmitter/receiver 11 on the side of the bed 1 using infrared rays, and in addition to transmitting signals to the control box 7 via the extension cord 31, the remote control switch 9 directly to repeater 13
The infrared signal can be transmitted to the infrared transmitter/receiver 11 of. Therefore, only the wiring inside the bed 1 is required, and since the remote control switch 9 is not restricted by the cord 8, the remote control switch 9 can be stored in any position.

[0019] Various methods have been listed and explained above, but in any case, the remote control switch 9 and control box 7 are equipped with microcomputers 15 and 17 to perform signal processing as well as sending and receiving signals. A device with about 4 cores is sufficient and can perform multiple functions. In addition, since infrared rays are used as the means for transmitting and receiving control signals, it is resistant to external disturbances, and in a hospital room where the infrared transmitter/receiver 11 is installed on the repeater 13 on the wall surface 12 of the hospital room,
Any of the aforementioned schemes can be selectively used.

【0020】

[Effects of the Invention] As described above, according to the present invention, (1) Serial data communication is used in all of the wired remote control system, semi-wired remote control system, and wireless remote control system, so the number of cable cores can be reduced. complex control signals (communication with nursing station,
It is possible to send and receive data on bed conditions, motor troubles, etc. In addition, (2) it is resistant to noise because the control signal is transmitted using light. In addition, (3) there is no need for wiring between the control box and the remote control switch, which improves assembly work efficiency, and since the control box and remote control switch are configured independently, there are fewer breakdowns and ease of maintenance. good. Furthermore, (4) by providing a plurality of control signal transmitting/receiving sections, the insertion point of the remote control switch can be selected. (5) Even if the fixed control board is attached to the bed frame, it can be used in combination with a remote control switch. Furthermore, (6) the method can be selected according to the situation around the bed.

[0021]

[Brief explanation of drawings]

FIG. 1 is a diagram showing an embodiment of a wired remote control system of a control system for an electric bed according to the present invention.

FIG. 2 is a block diagram showing the configuration of a control system for the electric bed shown in FIG. 1.

FIG. 3 is a diagram showing an embodiment of the semi-wired remote control system of the electric bed control system according to the present invention.

4 is a block diagram showing the configuration of a control system for the electric bed shown in FIG. 3. FIG.

FIG. 5 is a diagram showing an embodiment of a wireless remote control system of a control system for an electric bed according to the present invention.

6 is a block diagram showing the configuration of a control system for the electric bed shown in FIG. 5. FIG.

[Explanation of symbols]

1...Betsudo 2, 3, 4...Motor 5, 20, 30...control system 6...Signal line 7...Control box 8, 14... code 9...Remote control switch 10...Board 11...Infrared transmitter/receiver 12...Wall surface 13...Repeater 15, 17...Microcomputer 16...Display means.

Claims (4)

[Claims] Claim 1: A control box that sends operation control signals to the motor as the drive source of the electric bed, a remote control switch installed near the patient's bedside equipped with an operation switch, and an infrared ray installed on the outside of the board of the electric bed. a transmitter/receiver;
An infrared transmitter/receiver is installed in a repeater installed on the wall of a hospital room, etc., for transmitting and receiving various information between the nursing station and the hospital room, and an infrared transmitter/receiver is installed between the remote control switch and the control box, and also between the control box and the outside of the board. A control system for an electric bed characterized by a configuration in which infrared transmitters and receivers are each connected to a cable. 2. A control box that sends operation control signals to the motor as a drive source of the electric bed, a remote control switch installed near the patient's bedside equipped with an operation switch, and an infrared ray installed on the outside of the board of the electric bed. a transmitter/receiver;
An infrared transmitter/receiver is installed on a repeater installed on the wall of a hospital room, etc., for transmitting and receiving various information between the nursing station and the hospital room, and an infrared transmitter/receiver is installed on the side of the bed and a control box to control the remote control switch. 1. A control system for an electric bed, characterized in that the control system is configured to send and receive signals to and from a control box, and the control box is configured to connect an infrared transmitter/receiver provided on the outside of the board with a cable. 3. A control box that sends operation control signals to the motor as a drive source of the electric bed, a remote control switch installed near the patient's bedside equipped with an operation switch, and an infrared ray installed on the outside of the board of the electric bed. a transmitter/receiver;
An infrared transmitter/receiver is installed on a repeater installed on the wall of a hospital room, etc., for transmitting and receiving various information between the nurse station and the hospital room, and the infrared transmitter/receiver is installed on the remote control switch and on the side of the bed. A control system for an electric bed, characterized in that an infrared transmitter/receiver and a control box are connected by a cable, and the control box and an infrared transmitter/receiver provided on the outside of the board are respectively connected by cables. 4. A control system for an electric bed according to claim 2, wherein a plurality of infrared transmitters and receivers for exchanging signals with a remote control switch are provided on the side of the bed.