TWI528333B - Off-bed detection device - Google Patents

Description

Detachment detection device

The invention relates to a bed detecting device, in particular to a detecting device capable of monitoring whether a target is out of bed at any time, thereby ensuring safety and saving manpower, time and money.

At present, patients who are generally suffering from stroke, dementia, brain injury, deaf, disabled or infants, or persons with limited capacity, are unable to act arbitrarily because of restricted actions, in order to avoid them. He got up and walked, causing loss or danger, because there must be a 24-hour care. However, this method is quite labor intensive, time and money.

Therefore, there is a new patent No. M465161 "Medical bed bed warning device" announced by the Republic of China on November 11, 102, which discloses: a bed frame group with two bed rails on each side. Each of the bed rails is rotated in a predetermined direction to be in a state of being surrounded and unenclosed; a warning device having at least one sensing module disposed on one of the bed rails to sense the bed rail After the rotation preset angle is activated, the signal is transmitted to a first warning group to generate a warning signal. The sensing module has a ball switch fixed on the bed rail, and can be rotated synchronously with the bed rail. After the bed bar is rotated by a preset angle, the ball switch is activated to generate a signal transmission to the warning module; and the bed member is combined with the rotating actuating bed bar to detect the bed bar. After the rotation action, the signal is automatically sent to the warning group, and the remote care station that transmits the signal by using the wireless transmission technology can reduce the setting of the circuit and improve the safety. At the same time, the overall structure is simple, the manufacturing cost is low, and the operation and operation are simple. Wide Ground and in large numbers for use in medical institutions were.

However, the patent application uses the bed rail to rotate the angle to activate the ball switch to generate an alert function, but the alarm is not triggered when the monitored person directly leaves the bed rail. Its practicality is not good.

In addition, there is a new type of patent No. M447769, "a bed for patients who can perceive patients to move out of bed" announced on March 1, 102, which reveals: a bed frame, a detection module, and a processing module. And an alarm module, the bed frame having at least one side of the bed, the detecting module comprising a plurality of detecting units respectively disposed on the bed frame, each detecting unit having a corresponding pole unit disposed at the same a first mounting rod, and a transmitter capable of transmitting a detection signal, and a second mounting rod disposed on the second mounting rod, and capable of receiving the detection signal, and transmitting the warning signal when the detection signal is disconnected Receiver, the detection signal emitted by the transmitter is an infrared beam, which can send a warning signal when the patient passes the side of the bed, the processing module can receive and process the detection unit The warning signal, when the processing module receives multiple warning signals at the same time, it will send a bed-out signal. The alarm module signal is connected to the processing module and will be driven by the bed-out signal to send an alarm message, so that the early notification can be made. Nursing person Come to care for patients, in addition to reducing medical disputes, but also can reduce the burden on nursing staff patrol the ward.

However, although the patent case uses infrared light for sensing and detection, it is easily affected by the surrounding light and loses accuracy. In particular, the detection unit is installed on the hospital bed and cannot be arbitrarily moved, so the scope of use is limited. At the same time, it will also destroy the structure of the bed itself, so the use effect is not good.

Therefore, in view of the above-mentioned various types of missing bed detecting devices, the present invention provides a bed detecting device, which is provided with a body having a fixing portion and an ultrasonic detector. The system includes at least one transmitting end and at least one receiving end, so that the transmitting end emits an ultrasonic wave toward a target, and the receiving end receives the reflected ultrasonic wave, and the ultrasonic sensor is based on the ultrasonic wave sensor. Transmitting and receiving the time required for the object to be reflected back to calculate the distance between the target and the ultrasonic sensor, and sending a distance signal; a processing unit disposed in the body And electrically connected to the ultrasonic detector for receiving the distance signal detected by the ultrasonic detector, and generating an initial warning value for determining that the distance from the target is No change, when it is determined that the distance is changed, a warning signal and a lighting signal are sent; a transmitting unit is disposed in the body and electrically connected to the processing unit for receiving the warning signal, and Transmitting the transmission to a remote end for issuing a warning; a lighting unit disposed in the housing and electrically connected to the processing unit for receiving the illumination signal for illumination; a remote controller, The signal is connected to the processing unit for remotely controlling the ultrasonic detector to start or stop.

The fixing portion is a screw hole or a through hole for a screw, a screw or a bolt to penetrate.

The transmitting end and the receiving end are respectively fixed to the base body at intervals.

The transmitting unit is a wireless transmitter or a wireless network card and transmitted through a radio, a telecommunication network or an internet.

The remote end is a monitor, a mobile phone, a vibrator or an alarm.

The invention has the following advantages:

1. The present invention can be used to monitor bedridden patients, demented elderly, brain-injured, deaf, disabled or infant bedriddens or persons with limited capacity to save manpower, time and money.

2. The invention utilizes ultrasonic waves for monitoring, can avoid the interference of light changes in the surrounding environment, and does not affect the living conditions of the monitored objects, so as to achieve the best monitoring efficiency.

3. The invention automatically controls the lighting unit to illuminate when the target object has been removed from the bed, so that after the target object leaves the hospital bed, the surrounding environment can be seen, and the danger is prevented from being accidentally tripped to ensure the target. The safety of things.

4. The bed detecting device of the present invention can be easily removed and moved for being installed at different monitoring positions at any time, thereby achieving the function of quick disassembly and assembly, increasing the mobility and convenience in use.

(1) ‧ ‧ ‧ body

(11) ‧‧‧Fixed Department

(2) ‧‧‧ Ultrasonic Detector

(21) ‧‧‧transmitter

(22) ‧‧‧ receiving end

(3) ‧‧‧Processing unit

(4) ‧‧‧ launching unit

(5) ‧‧‧Lighting unit

(6) ‧‧‧Remote control

(A) ‧ ‧ beds

(B) ‧ ‧ target

(C)‧‧‧ screw components

(D) ‧ ‧ distance

(E) ‧ ‧ warning value

(F1), (F2) ‧ ‧ allowable range values

(G) ‧ ‧ mobile phones

(T) ‧ ‧ hours

[First figure] is a perspective view of the present invention.

[Second picture] is a schematic view of the present invention fixed to the ceiling for ultrasonic monitoring.

[Third image] is a schematic diagram of the ultrasonic wave covering most of the target range of the present invention.

[Fourth figure] is a schematic diagram of the present invention generating an initial warning value based on the distance signal.

[Fifth Figure] is a schematic diagram of the invention for alerting and generating illumination when the target is out of bed.

Referring to the first embodiment and the second figure, the first embodiment of the present invention includes a seat body (1), a plurality of ultrasonic detectors (2), a processing unit (3), a transmitting unit (4), Lighting unit (5) and remote control (6), wherein:

The base body (1) is provided with a fixing portion (11). The fixing portion (11) can be a screw hole or a through hole for a screw, a screw or a bolt to be penetrated and screwed to a ceiling or a roof.

Each of the ultrasonic detectors (2) includes at least one transmitting end (21) and at least one receiving end (22), and each ultrasonic detector (2) is configured to respectively correspond to a human body's head and hands. Department and foot. The transmitting end (21) and the receiving end (22) are respectively fixed to the seat body (1) at intervals, thereby using the transmitting end (21) to emit an ultrasonic wave toward a hospital bed (A), and then the receiving end (22) receiving the reflected ultrasonic wave, the ultrasonic sensor (2) is based on the ultrasonic wave emitted to the hospital bed (A), and then received by the target (B) reflected on the hospital bed (A) The time required to return is used to calculate the distance between the monitored target (B) and the ultrasonic sensor (2) and to emit a distance signal.

The processing unit (3) is disposed in the base (1) and electrically connected to the ultrasonic detector (2) for receiving the detected by the ultrasonic detector (2) The distance signal and the generation of the initial initial warning values correspond to the respective ultrasonic detectors (2) for judging the target Whether the distance between the objects (B) changes, once the distance from the target (B) changes, a warning signal and a lighting signal are issued.

The transmitting unit (4) is disposed in the base (1) and electrically connected to the processing unit (3) for receiving the warning signal and transmitting the transmission to a remote end for issuing Warning. The transmitting unit (4) can be a wireless transmitter or a wireless network card, and the transmitting unit (4) transmits through a radio, a telecommunication network or the Internet; and the remote system can be a monitor. , a mobile phone or an alarm.

The lighting unit (5) is disposed in the base (1) and electrically connected to the processing unit (3) for receiving the illumination signal for illumination.

The remote controller (6) is connected to the processing unit (3) by a signal to remotely activate or stop the ultrasonic detector (2).

In use, as shown in the first figure and the second figure, the seat body (1) is fixed to a hospital bed through a fixing portion (11) of the seat body (1) through a screwing member (C). A) The ceiling above. The transmitting end (21) and the receiving end (22) of the ultrasonic detector (2) on the base (1) are respectively directed toward the hospital bed (A), and the range of transmitting and receiving the ultrasonic waves is Covers most of the area of the entire target (B) [as shown in the third figure]. The target (B) can be a monitored patient, and the remote controller (6) can control the activation of the ultrasonic detector (2) to control the ultrasonic detector (2). The transmitting end (21) emits an ultrasonic wave toward the target (B). Then, the ultrasonic wave is directed to the target (B) and reflected back to the receiving end (22) for receiving, so that the ultrasonic sensor (2) can receive the sound after being transmitted from the sound to the reflection. The required time can calculate the distance between the monitored target (B) and the ultrasonic sensor (2), and send a distance signal to the processing unit (3). The processing unit (3) further uses the received distance signal as an initial alert value. The distance signal detected by each group of transmitters (21) and receivers (22) will not be reflected by the target (B). Same, but there are different distance signals. For example, when the head of the target (B) is detected, the distance signal is displayed as the shortest; and when the palm of the target (B) is detected, the distance signal display becomes longer; The target (B) is the longest distance signal when reflected directly from the bed (A). Therefore, all initial warning values are different, and the processing unit (3) continuously monitors the activity of the target (B) according to the warning value, and transmits the detection result to the transmitting unit (4). The remote end can be a monitor of a monitoring center, a mobile phone of a nurse, a caregiver, a vibrator, or an alarm.

As shown in the fourth figure, it is a schematic diagram of the displayed warning value, the ordinate in the figure is the distance (D), and the abscissa is the time (T). The warning value (E) remains in a horizontal state, which means that the target (B) remains in the same position. If the range of the warning value (E) rises or falls within the allowable range values (F1), (F2) (as indicated by the dotted line in the fourth figure), it means that the target (B) is only turned over and changed posture. In the shape. However, if during the monitoring, the warning value (E) suddenly rises or falls and exceeds the allowable range value (F1), (F2) and does not return to the initial warning value (E), then The processing unit (3) can judge that the target (B) has left the hospital bed (A). Therefore, a warning signal is sent to the remote end through the transmitting unit (4), for example, an alarm is displayed on the monitor of the monitoring center, or the mobile phone (G) is automatically transmitted to the nurse and the caregiver (eg, Figure 5 shows, or uses a vibrator to generate vibration. The vibration generated by the vibrator has the effect of quietly preventing noise. In addition, a warning sound or flashing light is sent directly to the alarm outside the ward to inform the relevant medical staff.

At the same time as the warning signal is issued, as shown in the fifth figure. The processing unit (3) sends a lighting signal to the lighting unit (5), and controls the lighting unit (5) to emit light to illuminate the periphery of the bed, so that the target (B) leaves the hospital bed (A) After that, the light can be used to see the environment around the bed (A) to avoid accidental tripping and danger. Such as Thus, with the bed-away detecting device of the present invention, the state of the target (B) can be monitored at any time, and the safety of the target (B) can be ensured.

Moreover, the seat body (1) of the bed detecting device of the present invention can be easily removed and moved for different monitoring positions of the device. Therefore, the fixing portion (11) of the base body (1) can be engaged, adhered, magnetically attracted by a screwing method, or sucked on the ceiling by a suction method of the suction cup. Quick disassembly and assembly. The above fixed manners are generally known fixed methods, and are not illustrated otherwise.

In view of the above description of the embodiments, the operation, use, and effects of the present invention can be fully understood. The above described embodiments are merely preferred embodiments of the invention, and are not intended to limit the scope of the invention. That is, the simple equivalent changes and modifications made by the scope of the invention and the description of the invention are within the scope of the invention.

(1) ‧ ‧ ‧ body

(11) ‧‧‧Fixed Department

(2) ‧‧‧ Ultrasonic Detector

(21) ‧‧‧transmitter

(22) ‧‧‧ receiving end

(3) ‧‧‧Processing unit

(4) ‧‧‧ launching unit

(5) ‧‧‧Lighting unit

(6) ‧‧‧Remote control

Claims (5)

A device for detecting the departure of a bed includes: a body having a fixed portion; a plurality of ultrasonic detectors, each of the ultrasonic detectors including at least one transmitting end and at least one receiving end, thereby utilizing the transmitting The end emits an ultrasonic wave toward a target, and the receiving end receives the reflected ultrasonic wave, and the ultrasonic sensor is used to calculate according to the time required for the emitted and received back reflected by the target object. The distance between the target and the ultrasonic sensor, and sends a distance signal, wherein each ultrasonic detector is used to respectively correspond to the head, the hand and the foot of the human body; a processing unit is set The body is electrically connected to the ultrasonic detector for receiving the distance signal detected by the ultrasonic detector, and generating a plurality of initial warning values corresponding to the ultrasonic detectors, respectively. For determining whether the distance from the target changes, and determining that the distance changes, a warning signal and a lighting signal are sent; a transmitting unit is disposed in the body and electrically connected to the At a unit for receiving the warning signal and transmitting the transmission to a remote end for issuing a warning; a lighting unit disposed in the housing and electrically connected to the processing unit for receiving the The illumination signal emits illumination; a remote controller is connected to the processing unit for remotely controlling the activation or stop of the ultrasonic detector. The apparatus for detecting a bed-away device according to claim 1, wherein the fixing portion is a screw hole or a through hole for a screw, a screw or a bolt to penetrate. The apparatus for detecting a bed-away device according to claim 1, wherein the transmitting end and the receiving end are respectively fixed to the seat body at intervals. The device for detecting a bed-away detection according to claim 1, wherein the transmitting unit is a wireless transmitter or a wireless network card and transmitted through a radio, a telecommunication network or an internet. The bed detecting device of claim 1, wherein the remote end is a monitor, a mobile phone, a vibrator or an alarm.