TW202131885A - Brake monitoring device and bed - Google Patents

Abstract

The present disclosure provides a brake monitoring device. The brake monitoring device is applied to a hospital bed. The bed includes a brake pad. The brake pad can be switched between a first position and a second position. The brake monitoring device includes a first sensor and a controller. The first sensor is configured to detect that the brake pad is switched from the first position to the second position. The controller is configured to determine that an alarm signal needs to be issued when the brake pad is switched to the second position. The present disclosure also discloses a hospital bed with the above brake monitoring device. The brake monitoring device can monitor the brake device of the hospital bed in real time, and issue the alarm signal in time to ensure the safety of the patient.

Description

Brake monitoring device and hospital bed

The invention relates to the field of medical equipment, in particular to a brake monitoring device and a hospital bed with the brake monitoring device.

In hospitals, the beds used by patients often need to be pushed back and forth between different clinics due to the needs of treatment. Usually, the brakes of the beds are fixed after the beds are pushed to various fixed points. However, when the brakes fail, the brakes of the beds will be Sliding causes secondary injury and unexpected danger to the patient, and increases the hidden risk of the medical institution. In order to further ensure the safety of the hospital bed, it is necessary to monitor the brake device of the hospital bed.

In view of this, the present invention provides a brake monitoring device, which can perform real-time monitoring of the brake device of the hospital bed and issue an alarm signal in time.

The present invention provides a brake monitoring device applied to a hospital bed, the hospital bed includes a brake block, the brake block can be switched between a first position and a second position, the brake monitoring device includes: a The first sensor is used to detect that the brake block is switched from the first position to the second position, wherein the first sensor is a Hall sensor, and the brake block A magnet is provided on the plate, and the magnet is arranged opposite to the Hall sensor. When the brake plate is switched to the second position, the Hall sensor does not detect the position of the magnet. When the magnetic field is applied, it is determined that the brake block is switched to the second position; and a controller is used to determine that an alarm signal needs to be issued when the brake block is switched to the second position.

The invention also provides a hospital bed with the brake monitoring device.

The brake monitoring device provided by the present invention can perform real-time monitoring of the brake device of the hospital bed and issue an alarm signal in time, thereby ensuring the safety of the patient.

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person with ordinary knowledge in the field without creative work shall fall within the protection scope of the present invention.

It should be noted that when a component is referred to as being "fixed to" another component, it can be directly on the other component or a centered component may also exist. When a component is considered to be "connected" to another component, it can be directly connected to the other component or there may be a centered component at the same time. When a component is considered to be "set on" another component, it can be directly set on another component or there may be a centered component at the same time.

Unless otherwise defined, all technical and scientific terms used herein have the same meanings commonly understood by those with ordinary knowledge belonging to the technical field of the present invention. The terms used in the description of the present invention herein are only for the purpose of describing specific embodiments, and are not intended to limit the present invention.

In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose, the following detailed description of the present invention will be given below in conjunction with the accompanying drawings and preferred embodiments.

Please refer to FIG. 1, a first embodiment of the present invention provides a brake monitoring device 100. The brake monitoring device 100 includes a first sensor 10 and a controller 20.

Wherein, the brake monitoring device 100 is applied to a hospital bed (not shown). Please also refer to FIG. 2. The hospital bed includes a brake block 1 which can be used in a first position A and a Switch between the second position B. Wherein, the first position A is that the brake block 1 is in the braking position, so that the hospital bed cannot continue to move; the second position B is that the brake block 1 is in the unlocked position, so that the hospital bed can continue to move. The first sensor 10 is used to detect whether the brake pad 1 is switched from the first position A to the second position B, and the controller 20 is used at least when the brake pad 1 When switching to the second position B, it is determined that an alarm signal needs to be issued.

Please refer to FIG. 2. In this embodiment, the first sensor 10 is a Hall sensor. A magnet 2 is provided on the brake baffle 1, and the magnet 2 is arranged opposite to the Hall sensor. When the brake block 1 is switched to the second position B, the Hall sensor determines that the brake block 1 is switched to the second position when the magnetic field of the magnet 2 is not detected. Location B. The Hall sensor detects the magnetic field of the magnet 2 to avoid the influence of other factors (such as light, sunlight, and reflected light from the ground) during the detection process, thereby improving the accuracy of detection.

Please refer to FIG. 3. In another embodiment, the first sensor 10 is a reflective sensor. The reflective sensor includes a transmitting terminal 101 and a receiving terminal 102, and the transmitting terminal 101 and the receiving terminal 102 are located on the same side of the brake baffle 1. The transmitting terminal 101 is used to transmit a sensing signal. When the brake baffle 1 is switched to the second position B, the sensing signal is reflected by the brake baffle 1, and the receiving end 102 is used for Upon receiving the reflected sensor signal, it is determined that the brake block 1 is switched to the second position B. Wherein, the sensing signal may be an acoustic wave signal or an optical signal, for example, the sensing signal may be an infrared signal.

Please refer to FIG. 4. In other embodiments, the first sensor 10 is an interrupted sensor. The transmitting end 101 and the receiving end 102 are respectively located on opposite sides of the brake baffle 1. The transmitting terminal 101 is used to transmit a sensing signal. When the brake baffle 1 is switched to the second position B, the sensing signal is blocked by the brake baffle 1, and the receiving end uses When the sensor signal is not received, it is determined that the brake block 1 is switched to the second position B.

Referring to FIGS. 5 and 6, in this embodiment, the first sensor 10 further includes a first communication module 103, and the controller 20 includes a second communication module 201. The sensor 10 and the controller 20 communicate with each other through the first communication module 103 and the second communication module 201. That is, when the first sensor 10 detects that the brake pad 1 is switched from the first position A to the second position B, the first communication module 103 uses the first communication module 103 to obtain the detection result Sent to the second communication module 201 of the controller 20.

In this embodiment, the first sensor 10 and the controller 20 communicate in a wireless manner, that is, the first communication module 103 and the second communication module 201 are Wireless communication module, such as Bluetooth module, Wi-Fi module or infrared module, etc. At this time, the first sensor 10 further includes a first battery 104, and the first battery 104 provides power for the first communication module 103. In other embodiments, the first sensor 10 and the controller 20 may also communicate in a wired manner, that is, between the first sensor 10 and the controller 20 Wires are connected (not shown).

In this embodiment, the controller 20 further includes a logic circuit 202, which is electrically connected to the second communication module 201, and is used to obtain all the information from the second communication module 201. According to the detection result, it is determined whether the alarm signal needs to be sent out. In other embodiments, the logic circuit 202 can be replaced by a micro control unit (MCU, not shown).

The controller 20 further includes an alarm unit 203, which is electrically connected to the logic circuit 202 or the micro-control unit. The alarm unit 203 is used to send out the alarm signal so that the medical staff can handle the hospital bed in time, thereby ensuring the safety of the patient. Wherein, the alarm unit 203 may be a buzzer, which is used to emit a buzzer to notify the medical staff. Of course, in other embodiments, the alarm unit 203 can also be an LED light or a horn, etc., that is, it can notify the medical staff by means of flashing lights or voice broadcast.

The controller 20 further includes a second battery 204, and the second battery 204 is used to provide power for the second communication module 201 and the alarm unit 203. Of course, the second battery 204 can also be omitted, and the brake monitoring device 100 can also obtain power from an external power source (such as a power box on a hospital bed).

Referring to FIG. 7, the second embodiment of the present invention also provides a brake monitoring device 200. The difference from the first embodiment is that the brake monitoring device 200 further includes a second sensor 30. The second sensor 30 is used for detecting whether the hospital bed is displaced, and the controller 20 is used for when the brake block 1 is switched to the second position B and the hospital bed is not displaced , The alarm unit 203 is controlled to send out the alarm signal.

In this embodiment, the second sensor 30 is an acceleration sensor, and the acceleration sensor can be installed at any position of the bed body of the hospital bed. The acceleration sensor is used to detect the acceleration of the hospital bed, and when the acceleration sensor detects that the acceleration of the hospital bed is zero, it is determined that the hospital bed has not moved.

In another embodiment, the second sensor 30 is a photoelectric sensor, and the photoelectric sensor can be arranged adjacent to the wheels of the hospital bed. The photoelectric sensor is used to detect whether the wheels of the hospital bed are rotating, and when the photoelectric sensor detects that the wheels of the hospital bed are not rotating, it is determined that the hospital bed has not moved.

In other embodiments, the second sensor 30 may be omitted. Considering that in practical applications, it is impossible to connect to the mains if the bed is moving, therefore, the controller 20 can determine whether the bed is displaced by judging whether the brake monitoring device 200 is connected to the mains. Specifically, when the hospital bed is connected to the mains, the electric control system of the hospital bed will send a control instruction to the controller 20. When the controller 20 receives the control instruction (that is, at this time, the brake monitoring device 200 is connected to the mains), it is determined that the hospital bed has not been displaced.

Referring to FIG. 8, the present invention also provides a hospital bed 300, which includes the brake monitoring device. The hospital bed 300 also includes an alarm device 310 that can be installed at any position of the bed body of the hospital bed 300. The alarm device 310 is electrically connected to the controller 20. The controller 20 is also used to control the alarm device 310 to send out the alarm signal so that the medical staff can handle the hospital bed in time, thereby ensuring the safety of the patient. At this time, the alarm unit 203 included in the controller 20 may be omitted.

The brake monitoring device provided by the present invention can perform real-time monitoring of the brake device of the hospital bed and issue the alarm signal in time, thereby ensuring the safety of the patient.

The above description is only an optimized specific implementation of the invention, but it should not be limited to this implementation in the actual application process. For those with ordinary knowledge in the art, other modifications and changes made according to the technical concept of the present invention should fall within the protection scope of the patent application of the present invention.

100, 200: brake monitoring device 1: Brake block 2: magnet 10: The first sensor 101: Transmitter 102: receiving end 103: The first communication module 104: The first battery 20: Controller 201: The second communication module 202: Logic Circuit 203: Alarm unit 204: second battery 30: second sensor 300: hospital bed 310: Alarm device

Fig. 1 is a module composition diagram of a brake monitoring device according to a first embodiment of the present invention.

Fig. 2 is a working schematic diagram of the first sensor included in the brake monitoring device shown in Fig. 1.

FIG. 3 is a working schematic diagram of the first sensor included in the brake monitoring device shown in FIG. 1 in another embodiment.

4 is a working schematic diagram of the first sensor included in the brake monitoring device shown in FIG. 1 in another embodiment.

FIG. 5 is a module composition diagram of the first sensor shown in FIG. 3 and FIG. 4.

Fig. 6 is a module composition diagram of the controller included in the brake monitoring device shown in Fig. 1.

FIG. 7 is a module composition diagram of the brake monitoring device according to the second embodiment of the present invention.

Fig. 8 is a module composition diagram of a hospital bed according to a preferred embodiment of the present invention.

100: Brake monitoring device

10: The first sensor

20: Controller

Claims (9)

A brake monitoring device is applied to a hospital bed. The hospital bed includes a brake block that can be switched between a first position and a second position. The improvement lies in that the brake monitoring device includes: A first sensor for detecting that the brake pad is switched from the first position to the second position, wherein the first sensor is a Hall sensor, and the brake A magnet is provided on the baffle, and the magnet is arranged opposite to the Hall sensor. When the brake baffle is switched to the second position, the Hall sensor does not detect the magnet. Determining that the brake block is switched to the second position when the magnetic field is generated; and A controller for judging that an alarm signal needs to be sent when the brake block is switched to the second position. The brake monitoring device according to claim 1, wherein the first sensor may also be a reflective sensor, and the reflective sensor includes a transmitting terminal and a receiving terminal, the transmitting terminal It is located on the same side of the brake block as the receiving end, and the transmitting end is used to transmit a sensing signal. When the brake block is switched to the second position, the sensing signal is The brake baffle is reflected, and the receiving end is used for judging that the brake baffle is switched to the second position when the reflected sensor signal is received. The brake monitoring device according to claim 1, wherein the first sensor may also be an interrupted sensor, and the interrupted sensor includes a transmitting terminal and a receiving terminal, the The transmitting end and the receiving end are respectively located on opposite sides of the brake block. The transmitting end is used to transmit a sensing signal. When the brake block is switched to the second position, the transmission The sensing signal is blocked by the brake block, and the receiving end is used to determine that the brake block is switched to the second position when the sensing signal is not received. The brake monitoring device according to claim 1, wherein the controller includes an alarm unit, and the alarm unit is configured to issue the alarm signal. The brake monitoring device according to claim 1, wherein the controller is configured to determine that the alarm signal needs to be issued when the brake block is switched to the second position and the hospital bed has not been displaced. The brake monitoring device according to claim 5, wherein the brake monitoring device further includes a second sensor, the second sensor is an acceleration sensor, and the acceleration sensor is used to detect For the acceleration of the hospital bed, when the acceleration sensor detects that the acceleration of the hospital bed is zero, it is determined that the hospital bed has not shifted. The brake monitoring device according to claim 5, wherein the brake monitoring device further includes a second sensor, the second sensor is a photoelectric sensor, and the photoelectric sensor is used for detecting Whether the wheels of the hospital bed are rotating, and when the photoelectric sensor detects that the wheels of the hospital bed are not rotating, it is determined that the hospital bed has not moved. The brake monitoring device according to claim 5, wherein when the controller determines that the brake monitoring device is connected to mains power, it is determined that the hospital bed has not been displaced. A hospital bed, comprising the brake monitoring device according to any one of claims 1-8.

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