CN111665026A - Brake monitoring device and sickbed - Google Patents

Brake monitoring device and sickbed Download PDF

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Publication number
CN111665026A
CN111665026A CN201910196553.1A CN201910196553A CN111665026A CN 111665026 A CN111665026 A CN 111665026A CN 201910196553 A CN201910196553 A CN 201910196553A CN 111665026 A CN111665026 A CN 111665026A
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brake
sensor
monitoring device
hospital bed
switched
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周张元
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YONGLIN BIOTECH CORP
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YONGLIN BIOTECH CORP
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00—Testing of machine parts
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00—Measuring or testing not otherwise provided for
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons

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  • General Health & Medical Sciences (AREA)
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  • Animal Behavior & Ethology (AREA)
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  • Public Health (AREA)
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  • Measuring And Recording Apparatus For Diagnosis (AREA)
  • Alarm Systems (AREA)
  • Invalid Beds And Related Equipment (AREA)
  • Braking Arrangements (AREA)

Abstract

本发明公开了一种刹车监测装置，应用于一病床，所述病床包括一刹车挡片，所述刹车挡片可在一第一位置以及一第二位置之间切换，所述刹车监测装置包括一第一传感器以及一控制器，所述第一传感器用于侦测所述刹车挡片由所述第一位置切换至所述第二位置，所述控制器用于当所述刹车挡片切换至所述第二位置时判断需要发出警报信号。本发明还公开一种具有上述刹车监测装置的病床。所述刹车监测装置能够对所述病床的刹车装置进行实时监测，并及时发出所述警报信号，进而保证患者的安全。

Figure 201910196553

The present invention discloses a brake monitoring device, which is applied to a hospital bed. The hospital bed includes a brake pad, which 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 used to detect that the brake pad is switched from the first position to the second position. The controller is used to determine whether an alarm signal needs to be issued when the brake pad is switched to the second position. The present invention 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, thereby ensuring the safety of the patient.

Figure 201910196553

Description

剎车监测装置及病床Brake monitoring device and hospital bed

技术领域technical field

本发明涉及医疗设备领域，尤其涉及一种刹车监测装置及具有所述刹车监测装置的病床。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.

背景技术Background technique

在医院中，病患使用的病床由于治疗的需要常需在各诊疗间来回推动，通常在病床推至各定点后皆会固定病床的剎车装置，但当刹车装置失灵时，则会由于病床的滑动而给病患造成二次伤害以及无法预期的危险，并且增加医疗院所潜藏性的风险，为了进一步保证病床的安全性，需要对病床的刹车装置进行监测。In the hospital, the bed used by the patient often needs to be pushed back and forth between the diagnosis and treatment rooms due to the needs of treatment. Usually, the brake device of the bed is fixed after the bed is pushed to each fixed point. In order to further ensure the safety of the hospital bed, it is necessary to monitor the braking device of the hospital bed.

发明内容SUMMARY OF THE INVENTION

有鉴于此，本发明提供一种刹车监测装置，该刹车监测装置能够对病床的刹车装置进行实时监测，并及时发出警报信号。In view of this, the present invention provides a brake monitoring device, which can monitor the brake device of a hospital bed in real time and issue an alarm signal in time.

本发明提供一种刹车监测装置，应用于一病床，所述病床包括一刹车挡片，所述刹车挡片可在一第一位置以及一第二位置之间切换，所述刹车监测装置包括：一第一传感器，用于侦测所述刹车挡片由所述第一位置切换至所述第二位置；以及一控制器，用于当所述刹车挡片切换至所述第二位置时判断需要发出警报信号。The present invention provides a brake monitoring device, which is applied to a hospital bed. The patient bed includes a brake block, which can be switched between a first position and a second position. The brake monitoring device includes: a first sensor for detecting that the brake pad is switched from the first position to the second position; and a controller for judging when the brake pad is switched to the second position An alarm signal is required.

本发明还提供一种具有所述刹车监测装置的病床。The present invention also provides a hospital bed with the brake monitoring device.

本发明提供的刹车监测装置能够对病床的刹车装置进行实时监测，并及时发出警报信号，进而保证患者的安全。The brake monitoring device provided by the invention can monitor the brake device of the sickbed in real time, and issue an alarm signal in time, thereby ensuring the safety of the patient.

附图说明Description of drawings

图1是本发明第一实施例的刹车监测装置的模块组成图。FIG. 1 is a block diagram of the brake monitoring device according to the first embodiment of the present invention.

图2是图1所示的刹车监测装置所包括的第一传感器的工作示意图。FIG. 2 is a working schematic diagram of a first sensor included in the brake monitoring device shown in FIG. 1 .

图3是图1所示的刹车监测装置所包括的第一传感器于另一实施例中的工作示意图。FIG. 3 is a schematic working diagram of the first sensor included in the brake monitoring device shown in FIG. 1 in another embodiment.

图4是图2以及图3所示的第一传感器的模块组成图。FIG. 4 is a block diagram of the first sensor shown in FIGS. 2 and 3 .

图5是图1所示的刹车监测装置所包括的控制器的模块组成图。FIG. 5 is a block diagram of a controller included in the brake monitoring device shown in FIG. 1 .

图6是本发明第二实施例的刹车监测装置的模块组成图。FIG. 6 is a block diagram of a brake monitoring device according to a second embodiment of the present invention.

图7是本发明较佳实施例的病床的模块组成图。FIG. 7 is a block diagram of a hospital bed according to a preferred embodiment of the present invention.

符号说明Symbol Description

刹车监测装置brake monitoring device 100、200100, 200 第一传感器first sensor 1010 发射端The transmitting end 101101 接收端Receiving end 102102 第一通信模块first communication module 103103 第一电池first battery 104104 控制器controller 2020 第二通信模块second communication module 201201 逻辑电路logic circuit 202202 警报单元alarm unit 203203 第二电池second battery 204204 第二传感器second sensor 3030 病床hospital bed 300300 警报装置alarm device 310310

如下具体实施方式将结合上述附图进一步说明本发明。The following specific embodiments will further illustrate the present invention in conjunction with the above drawings.

具体实施方式Detailed ways

下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

需要说明的是，当组件被称为“固定于”另一个组件，它可以直接在另一个组件上或者也可以存在居中的组件。当一个组件被认为是“连接”另一个组件，它可以是直接连接到另一个组件或者可能同时存在居中组件。当一个组件被认为是“设置于”另一个组件，它可以是直接设置在另一个组件上或者可能同时存在居中组件。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 there may also be a centered component. When a component is considered to be "connected" to another component, it may be directly connected to the other component or there may be a co-existence of an intervening component. When a component is considered to be "set on" another component, it may be directly set on the other component or there may be a co-existing centered component.

除非另有定义，本文所使用的所有的技术和科学术语与属于本发明的技术领域的技术人员通常理解的含义相同。本文中在本发明的说明书中所使用的术语只是为了描述具体的实施例的目的，不是旨在于限制本发明。Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention.

为能进一步阐述本发明达成预定目的所采取的技术手段及功效，以下结合附图及较佳实施方式，对本发明提供的刹车监测装置作出如下详细说明。In order to further illustrate the technical means and effects adopted by the present invention to achieve the predetermined purpose, the following detailed description of the brake monitoring device provided by the present invention is given with reference to the accompanying drawings and preferred embodiments.

请参阅图1，本发明第一实施例提供一种刹车监测装置100，所述刹车监测装置100包括一第一传感器10以及一控制器20。Referring 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 .

其中，所述刹车监测装置100应用于一病床(图未示)，请一并参照图2，所述病床包括一刹车挡片1，所述刹车挡片1可在一第一位置A以及一第二位置B之间切换。其中，所述第一位置A为所述刹车挡片1位于刹车位置，使得病床不能继续移动；所述第二位置B为所述刹车挡片1位于解锁位置，使得病床可以继续移动。所述第一传感器10用于侦测所述刹车挡片1是否由所述第一位置A切换至所述第二位置B，所述控制器20用于至少当所述刹车挡片1切换至所述第二位置B时判断需要发出警报信号。Wherein, the brake monitoring device 100 is applied to a hospital bed (not shown), please refer to FIG. 2 together, the hospital bed includes a brake block 1, the brake block 1 can be at a first position A and a switch between the second position B. The first position A is when the brake pad 1 is in the braking position, so that the patient bed cannot continue to move; the second position B is when the brake pad 1 is in the unlocked position, so that the patient bed can continue to move. The first sensor 10 is used for detecting whether the brake pad 1 is switched from the first position A to the second position B, and the controller 20 is used for at least when the brake pad 1 is switched to the second position B. In the second position B, it is determined that an alarm signal needs to be issued.

请参阅图2，在本实施方式中，所述第一传感器10为一反射式传感器。所述反射式传感器包括一发射端101以及一接收端102，所述发射端101与所述接收端102位于所述刹车挡片1的同一侧。所述发射端101用于发射一传感信号，当所述刹车挡片1切换至所述第二位置B时，所述传感信号被所述刹车挡片1反射，所述接收端102用于在接收到反射回来的所述传感信号时，判断所述刹车挡片1切换至所述第二位置B。其中，所述传感信号可以是声波信号或光学信号，如，所述传感信号可以是红外线信号。Referring to FIG. 2 , in this embodiment, the first sensor 10 is a reflective sensor. The reflective sensor includes a transmitting end 101 and a receiving end 102 . The transmitting end 101 and the receiving end 102 are located on the same side of the brake pad 1 . The transmitting end 101 is used to transmit a sensing signal. When the brake pad 1 is switched to the second position B, the sensing signal is reflected by the brake pad 1, and the receiving end 102 uses When receiving the reflected sensing signal, it is determined that the brake pad 1 is switched to the second position B. Wherein, the sensing signal may be an acoustic signal or an optical signal, for example, the sensing signal may be an infrared signal.

请参阅图3，在其他实施方式中，所述第一传感器10为一遮断式传感器。所述发射端101与所述接收端102分别位于所述刹车挡片1相对设置的两侧。所述发射端101用于发射一传感信号，当所述刹车挡片1切换至所述第二位置B时，所述传感信号被所述刹车挡片1阻断，所述接收端用于在未接收到所述传感信号时，判断所述刹车挡片1切换至所述第二位置B。Referring to FIG. 3 , in other embodiments, the first sensor 10 is an interrupting sensor. The transmitting end 101 and the receiving end 102 are respectively located on opposite sides of the brake pad 1 . The transmitting end 101 is used to transmit a sensing signal. When the brake pad 1 is switched to the second position B, the sensing signal is blocked by the brake pad 1, and the receiving end uses When the sensing signal is not received, it is determined that the brake pad 1 is switched to the second position B.

请参阅图4及图5，在本实施方式中，所述第一传感器10还包括一第一通信模块103，所述控制器20包括一第二通信模块201，所述第一传感器10与所述控制器20之间通过所述第一通信模块103与所述第二通信模块201进行通信。即，所述第一传感器10在侦测所述刹车挡片1由所述第一位置A切换至所述第二位置B时，通过所述第一通信模块103将侦测结果发送至所述控制器20的所述第二通信模块201。Referring to FIG. 4 and FIG. 5 , in this embodiment, the first sensor 10 further includes a first communication module 103 , the controller 20 includes a second communication module 201 , the first sensor 10 is connected to the The controller 20 communicates with the second communication module 201 through the first communication module 103 . 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 sends the detection result to the The second communication module 201 of the controller 20 .

在本实施方式中，所述第一传感器10与所述控制器20之间通过无线的方式进行通信，即，所述第一通信模块103与所述第二通信模块201为无线通信模块，如蓝牙模块、Wi-Fi模块或红外模块等。此时，所述第一传感器10还包括一第一电池104，所述第一电池104为所述第一通信模块103提供电源。在其他实施方式中，所述第一传感器10与所述控制器20之间还可以通过有线的方式进行通信，即，所述第一传感器10与所述控制器20之间连接有电线(图未示)。In this embodiment, the first sensor 10 and the controller 20 communicate wirelessly, that is, the first communication module 103 and the second communication module 201 are wireless communication modules, 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, communication between the first sensor 10 and the controller 20 may also be performed in a wired manner, that is, a wire is connected between the first sensor 10 and the controller 20 (Fig. not shown).

在本实施方式中，所述控制器20还包括一逻辑电路202，所述逻辑电路202与所述第二通信模块201电性连接，用于通过所述第二通信模块201获取所述侦测结果，从而判断是否需要发出所述警报信号。在其他实施方式中，所述逻辑电路202可替换为一微控制单元(MCU，图未示)。In this embodiment, the controller 20 further includes a logic circuit 202 , and the logic circuit 202 is electrically connected to the second communication module 201 for obtaining the detection through the second communication module 201 As a result, it is judged whether or not the alarm signal needs to be issued. In other embodiments, the logic circuit 202 can be replaced by a microcontroller unit (MCU, not shown).

所述控制器20还包括一警报单元203，所述警报单元203与所述逻辑电路202或所述微控制单元电性连接。所述警报单元203用于发出所述警报信号以便医护人员能够及时处理所述病床，从而保证患者的安全。其中，所述警报单元203可以为蜂鸣器，用于发出蜂鸣音以通知医护人员。当然，在其它实施方式中，所述警报单元203还可以为LED灯或喇叭等，即，可以通过灯光闪烁或语音播报等方式通知医护人员。The controller 20 further includes an alarm unit 203, and the alarm unit 203 is electrically connected to the logic circuit 202 or the microcontroller unit. The alarm unit 203 is used for sending out the alarm signal so that the medical staff can deal with the hospital bed in time, so as to ensure the safety of the patient. Wherein, the alarm unit 203 may be a buzzer, which is used to emit a buzzer sound to notify the medical staff. Of course, in other embodiments, the alarm unit 203 may also be an LED light or a horn, that is, the medical staff may be notified by means of light flashing or voice broadcast.

所述控制器20还包括一第二电池204，所述第二电池204用于为所述第二通信模块201以及所述警报单元203提供电源。当然，所述第二电池204也可以省略，所述刹车监测装置100还可通过外部电源(如病床上的电源箱)获取电源。The controller 20 further includes a second battery 204 for providing 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 (eg, a power box on a hospital bed).

请参阅图6，本发明第二实施例还提供一种刹车监测装置200，与第一实施例不同的是，所述刹车监测装置200还包括一第二传感器30。所述第二传感器30用于侦测所述病床是否发生位移，所述控制器20用于当所述刹车挡片1切换至所述第二位置B时且所述病床未发生位移时，才控制所述警报单元203发出所述警报信号。Referring to FIG. 6 , the second embodiment of the present invention further provides a brake monitoring device 200 , which is different from the first embodiment in that the brake monitoring device 200 further includes a second sensor 30 . The second sensor 30 is used to detect whether the patient bed is displaced, and the controller 20 is used to detect when the brake pad 1 is switched to the second position B and the patient bed is not displaced. The alarm unit 203 is controlled to issue the alarm signal.

在本实施方式中，所述第二传感器30为一加速度传感器，所述加速度传感器可以安装于病床床体的任何位置。所述加速度传感器用于侦测所述病床的加速度，当所述加速度传感器侦测到所述病床的加速度为零时，判断所述病床未发生位移。In this embodiment, the second sensor 30 is an acceleration sensor, and the acceleration sensor can be installed at any position on the bed 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 displaced.

在另一实施方式中，所述第二传感器30为一光电传感器，所述光电传感器可以临近病床的轮子设置。所述光电传感器用于侦测所述病床的轮子是否转动，当所述光电传感器侦测到所述病床的轮子未转动时，判断所述病床未发生位移。In another embodiment, the second sensor 30 is a photoelectric sensor, and the photoelectric sensor can be disposed adjacent to the wheel of the hospital bed. The photoelectric sensor is used to detect whether the wheel of the hospital bed is rotating, and when the photoelectric sensor detects that the wheel of the hospital bed is not rotating, it is determined that the hospital bed is not displaced.

在其他实施方式中，所述第二传感器30可以省略。考虑到实际应用中，若病床正在移动时不可能连接市电，因此，所述控制器20可以通过判断所述刹车监测装置200是否连接市电来判断病床是否发生位移。具体地，当所述病床连接市电时，所述病床的电控系统将发送一控制指令至所述控制器20。当所述控制器20接收到所述控制指令时(即，此时所述刹车监测装置200连接市电)，判断所述病床未发生位移。In other embodiments, the second sensor 30 may be omitted. Considering the practical application, if the hospital bed is moving, it is impossible to connect to the mains, therefore, the controller 20 can determine whether the hospital bed is displaced by judging whether the brake monitoring device 200 is connected to the mains. Specifically, when the hospital bed is connected to commercial power, the electronic control system of the hospital bed will send a control command to the controller 20 . When the controller 20 receives the control instruction (ie, the brake monitoring device 200 is connected to the commercial power at this time), it is determined that the patient bed has not been displaced.

请参阅图7，本发明还提供一种病床300，所述病床300包括所述刹车监测装置。所述病床300还包括一警报装置310，所述警报装置310可安装于所述病床300床体的任何位置。所述警报装置310与所述控制器20电性连接。所述控制器20还用于控制所述警报装置310发出所述警报信号以便医护人员能够及时处理所述病床，从而保证患者的安全。此时，所述控制器20内包括的所述警报单元203可以省略。Referring to FIG. 7 , the present invention further provides a hospital bed 300 including the brake monitoring device. The hospital bed 300 further includes an alarm device 310 , and the alarm device 310 can be installed at any position on 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 deal with the hospital bed in time, so as to ensure the safety of the patient. At this time, the alarm unit 203 included in the controller 20 may be omitted.

本发明提供的所述刹车监测装置能够对所述病床的刹车装置进行实时监测，并及时发出所述警报信号，进而保证患者的安全。The brake monitoring device provided by the present invention can monitor the brake device of the hospital bed in real time, and issue the alarm signal in time, thereby ensuring the safety of the patient.

以上所述实施例仅表达了本发明的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对本发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。The above-mentioned embodiments only represent several embodiments of the present invention, and the descriptions thereof are specific and detailed, but should not be construed as a limitation on the scope of the patent of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can also be made, which all belong to the protection scope of the present invention.

Claims (10)

1.一种刹车监测装置，应用于一病床，所述病床包括一刹车挡片，所述刹车挡片可在一第一位置以及一第二位置之间切换，其特征在于，所述刹车监测装置包括：1. A brake monitoring device, applied to a sickbed, the sickbed comprising a brake block, the brake block can be switched between a first position and a second position, it is characterized in that, the brake monitoring The device includes: 一第一传感器，用于侦测所述刹车挡片由所述第一位置切换至所述第二位置；以及a first sensor for detecting that the brake pad is switched from the first position to the second position; and 一控制器，用于当所述刹车挡片切换至所述第二位置时判断需要发出警报信号。a controller for judging that an alarm signal needs to be issued when the brake pad is switched to the second position. 2.如权利要求1所述的刹车监测装置，其特征在于，所述第一传感器为一反射式传感器，所述反射式传感器包括一发射端以及一接收端，所述发射端与所述接收端位于所述刹车挡片的同一侧，所述发射端用于发射一传感信号，当所述刹车挡片切换至所述第二位置时，所述传感信号被所述刹车挡片反射，所述接收端用于在接收到反射回来的所述传感信号时，判断所述刹车挡片切换至所述第二位置。2 . The brake monitoring device according to claim 1 , wherein the first sensor is a reflective sensor, the reflective sensor comprises a transmitting end and a receiving end, the transmitting end and the receiving end are 2 . The terminal is located on the same side of the brake pad, and the transmitting end is used to transmit a sensing signal. When the brake pad is switched to the second position, the sensing signal is reflected by the brake pad. and the receiving end is configured to determine that the brake pad is switched to the second position when receiving the reflected sensing signal. 3.如权利要求1所述的刹车监测装置，其特征在于，所述第一传感器为一遮断式传感器，所述遮断式传感器包括一发射端以及一接收端，所述发射端与所述接收端分别位于所述刹车挡片相对设置的两侧，所述发射端用于发射一传感信号，当所述刹车挡片切换至所述第二位置时，所述传感信号被所述刹车挡片阻断，所述接收端用于在未接收到所述传感信号时，判断所述刹车挡片切换至所述第二位置。3 . The brake monitoring device according to claim 1 , wherein the first sensor is an interrupting sensor, and the interrupting sensor comprises a transmitting end and a receiving end, and the transmitting end and the receiving end are 3 . The two ends are respectively located on opposite sides of the brake pad, and the transmitting end is used to transmit a sensing signal. When the brake pad is switched to the second position, the sensing signal is transmitted by the brake pad. The blocking piece is blocked, and the receiving end is used for judging that the brake blocking piece is switched to the second position when the sensing signal is not received. 4.如权利要求1所述的刹车监测装置，其特征在于，所述控制器包括一警报单元，所述警报单元用于发出所述警报信号。4. The brake monitoring device of claim 1, wherein the controller comprises an alarm unit for issuing the alarm signal. 5.如权利要求1所述的刹车监测装置，其特征在于，所述第一传感器与所述控制器之间通过有线或无线的方式进行通信。5 . The brake monitoring device according to claim 1 , wherein the communication between the first sensor and the controller is performed in a wired or wireless manner. 6 . 6.如权利要求1所述的刹车监测装置，其特征在于，所述控制器用于当所述刹车挡片切换至所述第二位置时且所述病床未发生位移时，才判断需要发出所述警报信号。6 . The brake monitoring device according to claim 1 , wherein the controller is configured to only determine that the signal needs to be issued when the brake pad is switched to the second position and the patient bed is not displaced. 7 . the warning signal. 7.如权利要求6所述的刹车监测装置，其特征在于，所述刹车监测装置还包括一第二传感器，所述第二传感器为一加速度传感器，所述加速度传感器用于侦测所述病床的加速度，当所述加速度传感器侦测到所述病床的加速度为零时，判断所述病床未发生位移。7 . The brake monitoring device according to claim 6 , wherein the brake monitoring device further comprises a second sensor, the second sensor is an acceleration sensor, and the acceleration sensor is used to detect the hospital bed. 8 . When the acceleration sensor detects that the acceleration of the hospital bed is zero, it is determined that the hospital bed has not displaced. 8.如权利要求6所述的刹车监测装置，其特征在于，所述刹车监测装置还包括一第二传感器，所述第二传感器为一光电传感器，所述光电传感器用于侦测所述病床的轮子是否转动，当所述光电传感器侦测到所述病床的轮子未转动时，判断所述病床未发生位移。8 . The brake monitoring device according to claim 6 , wherein the brake monitoring device further comprises a second sensor, the second sensor is a photoelectric sensor, and the photoelectric sensor is used to detect the hospital bed. 9 . Whether the wheel of the hospital bed is rotating, when the photoelectric sensor detects that the wheel of the hospital bed is not rotating, it is judged that the hospital bed is not displaced. 9.如权利要求6所述的刹车监测装置，其特征在于，当所述控制器判断所述刹车监测装置连接市电时，判断所述病床未发生位移。9 . The brake monitoring device according to claim 6 , wherein when the controller determines that the brake monitoring device is connected to a commercial power supply, it is determined that the patient bed is not displaced. 10 . 10.一种病床，包括如权利要求1-9中任一项所述的刹车监测装置。10. A hospital bed comprising a brake monitoring device as claimed in any one of claims 1-9.
CN201910196553.1A 2019-03-08 2019-03-15 Brake monitoring device and sickbed Pending CN111665026A (en)

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