WO2019205623A1 - 一种护理水床 - Google Patents
一种护理水床 Download PDFInfo
- Publication number
- WO2019205623A1 WO2019205623A1 PCT/CN2018/117948 CN2018117948W WO2019205623A1 WO 2019205623 A1 WO2019205623 A1 WO 2019205623A1 CN 2018117948 W CN2018117948 W CN 2018117948W WO 2019205623 A1 WO2019205623 A1 WO 2019205623A1
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- WO
- WIPO (PCT)
- Prior art keywords
- water
- bladder
- water bladder
- user
- control system
- Prior art date
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Classifications
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- 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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- 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
- A61G7/05—Parts, details or accessories of beds
- A61G7/057—Arrangements for preventing bed-sores or for supporting patients with burns, e.g. mattresses specially adapted therefor
- A61G7/05769—Arrangements for preventing bed-sores or for supporting patients with burns, e.g. mattresses specially adapted therefor with inflatable chambers
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- 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
- A61G2203/00—General characteristics of devices
- A61G2203/30—General characteristics of devices characterised by sensor means
- A61G2203/34—General characteristics of devices characterised by sensor means for pressure
Definitions
- the present application relates to the field of medical care technology, and in particular to a nursing water bed.
- the water bed is a bed with a water storage bladder, wherein the water storage bladder is in contact with the patient's body, which can disperse the pressure of the patient, thereby reducing the pressure of the body tissue and avoiding the purpose of acne.
- the inventors of the present application have found in a long-term study that the existing water bed is a passive device for dispersing pressure, and cannot actively turn over the patient, and cannot achieve the effect of avoiding acne.
- the technical problem mainly solved by the present application is to provide a nursing water bed capable of changing the posture of the user and preventing hemorrhoids.
- one technical solution adopted in the present application is to provide a nursing water bed, including:
- a water bed body comprising: at least two water bladders;
- control system comprising: an array of pressure sensors, the pressure sensor array being located on an upper surface of the water bladder for sensing a pressure distribution of a user lying on the water bladder, the control system analyzing the The pressure distribution determines the posture of the user currently lying above the water bladder and, after receiving the triggering command, controls the water level in at least two of the water bladders to change to help the user change the current posture.
- the nursing water bed in the present application comprises: a water bed body, the water bed body comprises: at least two water bladders; a control system, the control system comprises: a pressure sensor array, The pressure sensor array is located on the upper surface of the water bladder for sensing the pressure distribution when the user lies on the water bladder, the control system analyzes the pressure distribution, determines the posture of the user currently lying above the water bladder, and after receiving the trigger command, Controlling the change of the water level in at least two water bladders to help the user change the current posture, thereby changing the posture of the user lying above the water bladder without human intervention, effectively preventing hemorrhoids, saving manpower and financial resources.
- FIG. 1 is a schematic structural view of an embodiment of a nursing water bed of the present application
- FIG. 2 is a schematic structural view of a water bed body in another embodiment of the nursing water bed of the present application.
- Figure 3 is a schematic view of the water path of the nursing water bed in an application scenario in the embodiment of Figure 2.
- FIG. 1 is a schematic structural view of an embodiment of a nursing water bed of the present application, the nursing water bed comprising: a water bed body 10 and a control system 20.
- the water bed body 10 includes: at least two water bladders 11 for loading water and carrying the user's body, wherein the number of the water bladders 11 may be two, three or even more.
- the control system 20 includes a pressure sensor array 21 located on the upper surface of the water bladder 11 for sensing the pressure distribution of the user while lying on the water bladder 11.
- the pressure sensor array 21 is composed of a plurality of pressure sensors.
- a plurality of pressure sensors are uniformly distributed on the upper surface of the water bladder 11.
- the pressure sensor array 21 senses the pressure distribution when the user lies on the water bladder 11, and the control system 20 analyzes the pressure distribution to determine the posture of the user currently lying above the water bladder 11.
- the center of gravity Since the position of the center of gravity is different in different postures when the user is lying on the water bladder 11, for example, when the user is lying down, the center of gravity is located substantially in the middle of the whole of the at least two water bladders 11, the overall left and right The pressure of the user is substantially the same.
- the center of gravity When the user turns left, the center of gravity is located substantially in the right half of the at least two water bladders 11, and the overall right half is subjected to the pressure of the user more than the pressure of the left half.
- the center of gravity When the user turns right, the center of gravity is roughly in the left half of the whole of the at least two water bladders 11, and the left half of the whole is subjected to the pressure of the user more than the pressure of the right half, so that the control system is optional.
- the pressure distribution is analyzed to determine the posture of the user currently lying above the water bladder 11 based on the position of the center of gravity of the user or the pressure conditions of the left and right portions of the entirety of the at least two water bladders 11.
- the control system 20 may further store a correspondence between the pressure distribution and the pressure distribution and the posture of the user, and the control system 20 distributes the pressure distribution and the stored pressure after the pressure sensor array 21 senses the pressure distribution of the user.
- the pressure distribution is compared to find the posture of the user corresponding to the pressure distribution, thereby judging the posture of the user currently lying above the water bladder 11.
- the control system 20 controls the water level in the at least two water bladders 11 to change, to help the user change the current posture, that is, to help the user change another posture different from the current user posture, and avoid lying
- the user above the water bladder 11 maintains the same posture for a long time, thereby changing the user's posture with the help of the nursing water bed, without human assistance, saving manpower and financial resources, and effectively preventing hemorrhoids.
- helping the user to change the current posture includes: helping the user lying above the water bladder 11 to turn over or lift the leg or lie flat.
- the number of water bladders 11 is two.
- two water bladders 11 are arranged side by side, one of the water bladders 11 for carrying the user's body and thighs, and the other of the water bladders 11 for carrying The user's knee joint and calf, through the cooperation of the water level in the two water bladders 11, help the user to lie flat or lift the legs, in particular, keep the water levels in the two water bladders 11 the same, help the user to lie flat, or set the carrying user
- the water level of the water bladder 11 of the knee joint and the lower leg is higher than the water level in the water bladder 11 carrying the body and the thigh, helping the user to lift the leg.
- two water bladders 11 may also be arranged side by side, wherein one water bladder 11 is used to carry the left part of the user's body, and the other water bladder 11 is used to carry the right part of the user's body through the water level in the two water bladders 11 The cooperation helps the user to lie flat or turn over.
- FIG. 2 is a schematic structural diagram of a water bed body 10 according to another embodiment of the present invention.
- the number of at least two water bladders 11 is three, specifically including: a first water bladder 111.
- the first water bladder 111 and the second water bladder 112 are juxtaposed, and the first water bladder 111 and the second water bladder 112 are respectively used for carrying the body and the thigh of the left and right parts of the user, and the third water bladder 113 and the first water bladder 111 and the first
- the two water bladders 112 are integrally arranged side by side, and the third water bladder 113 is used to carry the knee joints and lower legs of the user.
- control system 20 controls the water level in the first water bladder 111, the second water bladder 112, and the third water bladder 113 to change, thereby being in the first water bladder 111, the second water bladder 112, and the third water.
- the cooperation of the bladder 113 helps the user to change the current posture.
- the control system 20 sequentially controls the third water bladder 113.
- the water level in the water level is lowered, the water level in the first water bladder 111 is raised, and the water level in the second water bladder 112 is lowered to help the user lying on the water bladder 11 to turn left; or the control system 20 sequentially controls the third water bladder.
- the water level in 113 is lowered, the water level in the second water bladder 112 is raised, and the water level in the first water bladder 111 is lowered to help the user lying over the water bladder 11 to turn right; or, in the first water bladder 111,
- the water level in the second water bladder 112 and the third water bladder 113 is the same, that is, when the user lies flat on the water bladder 11, the control system 20 sequentially controls the water level in the first water bladder 111 and the second water bladder 112 to be simultaneously lowered, The water level in the third water bladder 113 rises, and the water level in the first water bladder 111 and the second water bladder 112 rises back to the original water level to help the user to lift the leg lying above the water bladder 11.
- the water level changes in the first water bladder 111, the second water bladder 112, and the third water bladder 113 may also be performed simultaneously, for example, in the process of turning left from a flat change, the third water bladder The water level in 113 is lowered, the water level in the first water bladder 111 is raised, and the water level in the second water bladder 112 is lowered. Simultaneously, the water level change in each water bladder 11 is performed sequentially or simultaneously. No restrictions.
- the water in the first water bladder 111, the second water bladder 112, and the third water bladder 113 may circulate with each other.
- the control system 20 controls the first water bladder 111.
- the water in the second water bladder 112 and the third water bladder 113 is circulated, so that the user can change the posture under the cooperation of the first water bladder 111, the second water bladder 112, and the third water bladder 113.
- the control system 20 sequentially controls the flow of water in the third water bladder 113 to the first water bladder 111 and the water in the second water bladder 112 to the first water bladder 111.
- FIG. 3 is a schematic diagram of a water path in an application scenario of the nursing water bed in the embodiment of FIG. 2, in which at least two water bladders 11 further include: a fourth water bladder 114.
- the fourth water bladder 114 is located directly below the first water bladder 111, the second water bladder 112, and the third water bladder 113.
- the fourth water bladder 114 passes through the pipeline 12 and the first water bladder 111 and the second water bladder 112, respectively.
- the third water bladder 113 is connected.
- the first water bladder 111, the second water bladder 112, and the third water bladder 113 are isolated from each other, that is, the first water bladder 111 and the second water tank.
- the respective water in the bladder 112 and the third water bladder 113 are not permeable.
- the control system 20 controls the water in the fourth water bladder 114 to flow to the first water bladder 111, the second water bladder 112, the third water bladder 113, or the first water bladder 111, the second water bladder 112, and the third water bladder 113, respectively.
- the water in the flow flows to the fourth water bladder 114, respectively, thereby controlling the change in the water level in the first water bladder 111, the second water bladder 112, and the third water bladder 113.
- the first water bladder 111, the second water bladder 112, and the third water bladder 113 are connected to the fourth water bladder 114 through two pipelines 12, and one of the pipelines 12 is provided with a first type of solenoid valve. 13 and the water pump 15, the other line 12 is provided with a second type of solenoid valve 14, when the control system 20 controls the first type of solenoid valve 13 and the water pump 15 to operate, the water in the fourth water bladder 114 flows first The water bladder 111 or the second water bladder 112 or the third water bladder 113, when the control system 20 controls the second type of solenoid valve 14 to operate, the first water bladder 111 or the second water bladder 112 or the third water bladder 113 The water flows to the fourth water bladder 114.
- control system 20 realizes the water level in the first water bladder 111, the second water bladder 112, and the third water bladder 113 by controlling the opening and closing of the first type of solenoid valve 13, the water pump 15, and the second type of solenoid valve 14. Change.
- the water bed body 10 further includes: a flow meter 16 disposed on the pipeline 12 for monitoring the flow of water, so that the control system 20 can accurately control the water flow rate and accurately realize the water level in each water bladder 11 change.
- control system 20 is specifically configured to: after receiving the voice command of the user, control the water level in the at least two water bladders 11 to change The user changes the current pose.
- a voice command can be issued, wherein the voice command can be a specific word or word.
- the control system 20 may extract the keyword of the voice command, and control the water level change in the water bag 11 according to the keyword, for example, extract the voice command and obtain the keyword as “left turn”. Then, the water level in the water bladder 11 is changed to help the user turn left, or the user's current posture is changed by a preset posture sequence, for example, when the user's posture is lying flat, after receiving the user's voice instruction.
- the preset posture order lying down, turning left, turning right, helping the user to complete the left turn posture.
- control system 20 is specifically configured to: after receiving the remote control command of the user, control the water level in the at least two water bladders 11 to change, to help the user change the current posture.
- the user lying above the water bladder 11 can use the remote controller to issue a remote command to the nursing water bed, or the remote controller can use the remote controller to issue a remote control command to the nursing water bed.
- the control system 20 can be based on the remote control command.
- the content or the water level in the at least two water bladders 11 is changed according to a preset posture sequence to help the user change the current posture.
- the user or other person may also issue a remote control command to the nursing water bed through other mobile terminals, such as a smart phone or a tablet computer, and there is no limitation here.
- control system 20 is specifically configured to: determine whether the time when the user maintains the current posture reaches a preset threshold, and if the time when the user maintains the current posture reaches a preset threshold, the control water tank is controlled. The water level changes to help the user change the current position.
- the preset threshold can be set by the user or set by the designer.
- the water level in the at least two water bladders 11 is controlled to be changed according to the preset posture sequence, so that the nursing water bed automatically changes the posture for the user.
- the control system 20 determines that the current user has maintained the left-turning posture for 20 minutes and exceeds the preset threshold of 18 minutes, according to the preset posture sequence: lying down, turning left, turning right, helping the user to change Posture, complete the right turn posture.
- the nursing water bed of the present application senses the pressure distribution when the user lies on the water bladder by providing a pressure sensor array on the upper surface of the water bladder, so that the control system determines the posture of the user and controls the trigger command after receiving the trigger command.
- the water level in at least two water bladders changes, helping the user to change the current posture, without the need to manually change the posture of the user lying above the water bladder, saving manpower and financial resources, and effectively preventing hemorrhoids.
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- Health & Medical Sciences (AREA)
- Nursing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Mattresses And Other Support Structures For Chairs And Beds (AREA)
- Invalid Beds And Related Equipment (AREA)
Abstract
本申请公开了一种护理水床，护理水床包括：水床本体（10），水床本体（10）包括：至少两个水囊（11）；控制系统（20），控制系统（20）包括：压力传感器阵列（21），压力传感器阵列（21）位于水囊（11）的上表面，用于感知用户躺在水囊（11）上时的压力分布，控制系统（20）分析压力分布，判断当前躺在水囊（11）上方的用户的姿势，并在接收到触发指令后，控制至少两个水囊（11）中的水位发生改变，以帮助用户改变当前的姿势。通过该护理水床，能够改变用户的姿势，预防褥疮。
Description
本申请涉及医疗护理技术领域，特别是涉及一种护理水床。
我国现有残疾人 8296 万人，其中肢体残疾人2412 万人。褥疮是残10 疾人常见的症状，褥疮是由于局部组织长期受压而导致的溃烂坏死，严重威胁肢体残疾病人的健康。人工为肢体残疾人翻身是最常见、最有效的预防褥疮的方法，但这种方法通常需要病人支出高昂的护理费。
水床是一种有贮水囊的床，其中贮水囊与病人身体接触，能够分散病人压力，从而降低身体组织的受压，达到避免褥疮的目的。
本申请的发明人在长期的研究中发现，现有的水床是一种被动的分散压力的装置，无法主动为病人翻身，不能达到避免褥疮的作用。
本申请主要解决的技术问题是提供一种护理水床，能够改变用户的姿势，预防褥疮。
为解决上述技术问题，本申请采用的一个技术方案是：提供一种护理水床，包括：
水床本体，所述水床本体包括：至少两个水囊；
控制系统，所述控制系统包括：压力传感器阵列，所述压力传感器阵列位于所述水囊的上表面，用于感知用户躺在所述水囊上时的压力分布，所述控制系统分析所述压力分布，判断当前躺在所述水囊上方的用户的姿势，并在接收到触发指令后，控制至少两个所述水囊中的水位发生改变，以帮助所述用户改变当前的姿势。
本申请的有益效果是：区别于现有技术的情况，本申请中的护理水床包括：水床本体，水床本体包括：至少两个水囊；控制系统，控制系统包括：压力传感器阵列，压力传感器阵列位于水囊的上表面，用于感知用户躺在水囊上时的压力分布，控制系统分析压力分布，判断当前躺在水囊上方的用户的姿势，并在接收到触发指令后，控制至少两个水囊中的水位发生改变，以帮助用户改变当前的姿势，从而无需人为操作就能够改变躺在水囊上方的用户的姿势，有效预防褥疮，节省人力和财力。
为了更清楚地说明本申请实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。其中：
图 1 是本申请护理水床一实施方式的结构示意图；
图 2 是本申请护理水床另一实施方式中水床本体的结构示意图；
图3 是图2 实施方式中护理水床在一应用场景中的水路示意图。
下面将结合本申请实施例中的附图，对本申请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申请一部分实施例，而不是全部实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性的劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
参阅图 1，图1 是本申请护理水床一实施方式的结构示意图，该护理水床包括：水床本体 10以及控制系统 20。
水床本体10 包括：至少两个水囊11，至少两个水囊11 用于装水，并承载用户的躯体，其中，水囊11 的数量可以是两个、三个甚至更多个。
控制系统 20 包括：压力传感器阵列21，压力传感器阵列21 位于水囊 11 的上表面，用于感知用户躺在水囊 11 上时的压力分布。其中，压力传感器阵列21 由多个压力传感器组成，可选的，多个压力传感器均匀分布在水囊11 的上表面。
当用户躺在水囊 11 上方时，压力传感器阵列21 感知用户躺在水囊11 上时的压力分布，控制系统20 分析该压力分布，判断当前躺在水囊11 上方的用户的姿势。
由于当用户躺在水囊11 上时，不同的姿势下其重心的位置不同，例如，当用户平躺时，其重心位置大致位于至少两个水囊11 组成的整体的中部，该整体左右两部分受到用户的压力大致相同，当用户左翻身时，其重心位置大致位于至少两个水囊11 组成的整体的右半部，该整体右半部受到用户的压力大于左半部受到的压力，当用户右翻身时，其重心位置大致在至少两个水囊11 组成的整体的左半部，该整体的左半部受到用户的压力大于右半部受到的压力，因此可选的，控制系统20分析该压力分布，根据用户的重心位置或者是至少两个水囊11 组成的整体的左右两部分受到的压力情况，判断当前躺在水囊11 上方的用户的姿势。可选的，控制系统 20 还可以预先存储有压力分布和压力分布与用户的姿势之间的对应关系，控制系统20 在压力传感器阵列21 感知到用户的压力分布后，将该压力分布与存储的压力分布进行对比，查找出与该压力分布对应的用户的姿势，从而判断当前躺在水囊11 上方的用户的姿势。
同时在接收到触发指令后，控制系统20 控制至少两个水囊 11 中的水位发生改变，以帮助用户改变当前的姿势，即，帮助用户更换另一个与当前用户姿势不同的姿势，避免躺在水囊11 上方的用户长时间保持同一姿势，从而在护理水床的帮助下，改变用户的姿势，无需人为帮助，省去人力和财力，同时还能有效预防褥疮。
其中，帮助用户改变当前的姿势包括：帮助躺在水囊 11 上方的用户翻身或者抬腿或者平躺。例如，在一实施方式中，水囊11 的数量为两个，可选的，两个水囊11 并排设置，其中一个水囊11 用于承载用户的躯体和大腿，另一个水囊11 用户承载用户的膝关节和小腿，通过两个水囊11 中水位的配合，帮助用户平躺或抬腿，具体而言，保持两个水囊11 中水位相同，帮助用户平躺，又或者设置承载用户膝关节和小腿的水囊11 的水位高于承载躯体和大腿的水囊11 中的水位，帮助用户抬腿。可选的，两个水囊11 也可以并列设置，其中一个水囊11 用于承载用户的左部分身体，另一个水囊11 用于承载用户的右部分身体，通过两个水囊 11 中水位的配合，帮助用户平躺或翻身。
参阅图2，图2 是本申请护理水床另一实施方式水床本体10 的结构示意图，在该实施方式中，至少两个水囊11 的数量为三个，具体包括：第一水囊111、第二水囊112 以及第三水囊113。
第一水囊 111、第二水囊112 并列设置，第一水囊111 和第二水囊112 分别用于承载用户左右部分的躯体和大腿，第三水囊 113 与第一水囊111 和第二水囊112 整体并排设置，第三水囊113 用于承载用户的膝关节和小腿。
在本实施方式中，控制系统 20 控制第一水囊111、第二水囊112、第三水囊113 中的水位发生改变，从而在第一水囊111、第二水囊112、第三水囊113 的配合下，帮助用户改变当前的姿势。
具体而言，在第一水囊111、第二水囊112、第三水囊113 中的水位相同，即此时用户平躺在水囊11 上时，控制系统20 依次控制第三水囊113 中的水位降低、第一水囊111 中的水位升高、第二水囊112 中的水位降低，以帮助躺在水囊11 上的用户左翻身；或者，控制系统20 依次控制第三水囊 113 中的水位降低、第二水囊 112 中的水位升高，第一水囊111 中的水位降低，以帮助躺在水囊11 上方的用户右翻身；或者，在第一水囊111、第二水囊112、第三水囊113 中的水位相同，即此时用户平躺在水囊11 上时，控制系统20 依次控制第一水囊111 和第二水囊112中的水位同时降低、第三水囊113 中的水位升高、第一水囊111 和第二水囊 112中的水位升高恢复成原先的水位，以帮助躺在水囊 11上方的用户抬腿。
可以理解的是，第一水囊111、第二水囊112、第三水囊113 中的水位变化也可以是同时进行的，例如，在由平躺变化左翻身的过程中，第三水囊113 中的水位降低、第一水囊111 中的水位升高、第二水囊112中的水位降低可以是同时进行的，对于各个水囊11 中的水位变化是依次进行还是同时进行，在此不做限制。
可选的，在一个应用场景中，第一水囊111、第二水囊112、第三水囊113 中的水可以相互流通，在接收到触发指令后，控制系统20 控制第一水囊111、第二水囊 112、第三水囊 113 中的水流通，从而使得在第一水囊111、第二水囊112、第三水囊113 的相互配合下，帮助用户改变姿势。例如，在由平躺变为左翻身的过程中，控制系统20 依次控制第三水囊113 中的水流向第一水囊111、第二水囊112 中的水流向第一水囊111。
可选的，参阅图 3，图 3 是图 2 实施方式中的护理水床在一应用场景中的水路示意图，在该应用场景中，至少两个水囊11 还包括：第四水囊114。
第四水囊 114 位于第一水囊111、第二水囊112、第三水囊113 的正下方，第四水囊114 通过管路12 分别与第一水囊111、第二水囊112、第三水囊 113 连接，可选的，在本应用场景中，第一水囊 111、第二水囊112、第三水囊113 之间是相互隔离，即第一水囊111、第二水囊112、第三水囊113 中的各自的水是不能流通的。
控制系统 20 控制第四水囊114 中的水分别流向第一水囊111、第二水囊112、第三水囊113 或控制第一水囊111、第二水囊112、第三水囊113中的水分别流向第四水囊114，从而控制第一水囊111、第二水囊112、第三水囊113 中的水位发生改变。
具体而言，第一水囊111、第二水囊112、第三水囊113 均通过两路管路12 与第四水囊114 连接，其中一个管路12 上设有第一类型的电磁阀13 和水泵15，另一个管路12 上设有第二类型的电磁阀14，当控制系统 20 控制第一类型的电磁阀 13 和水泵 15 工作时，第四水囊 114 中的水流向第一水囊111 或第二水囊112 或第三水囊113，当控制系统20控制第二类型的电磁阀14 工作时，第一水囊111 或第二水囊112 或第三水囊113 中的水流向第四水囊114。
即，控制系统20 通过控制第一类型的电磁阀13、水泵15 以及第二类型的电磁阀14 的开启与关闭，实现第一水囊111、第二水囊112、第三水囊113 中水位的改变。
可选的，水床本体 10 还包括：流量计16，流量计16 位于管路12上，用于监测水的流量，从而控制系统20 可以精确控制水流量，精确实现各个水囊 11中水位的改变。
可选的，对于上述两个实施方式而言，在一应用场景中，控制系统20 具体用于：在接收到用户的语音指令后，控制至少两个水囊11 中的水位发生改变，以帮助用户改变当前的姿势。
具体而言，当躺在水囊 11 上方的用户需要改变姿势，或当旁人需要让躺在水囊 11 上方的用户改变姿势时，可发出语音指令，其中该语音指令可以是特定的字、词或是句子，控制系统20 接收到语音指令后，可提取该语音指令的关键词，根据关键词控制水囊11 中的水位发生改变，例如，提取语音指令并得到关键词为“左翻身”，则控制水囊11 中的水位发生改变，帮助用户左翻身，或者，通过预设的姿势顺序，改变用户当前的姿势，例如，当用户的姿势为平躺时，在接收到用户的语音指令后，按照预设的姿势顺序：平躺、左翻身、右翻身，帮助用户完成左翻身姿势。
可选的，在另一应用场景中，控制系统 20 具体用于：在接收到用户的遥控指令后，控制至少两个水囊11 中的水位发生改变，以帮助用户改变当前的姿势。
躺在水囊11 上方的用户可自行使用遥控器对护理水床发出遥控指令，也可以由他人使用遥控器对护理水床发出遥控指令，控制系统20在接收到遥控指令后，可根据遥控指令的内容或按照预设的姿势顺序，控制至少两个水囊11 中的水位发生改变，帮助用户改变当前的姿势。其中，用户或他人也可以是通过其他移动终端，如智能手机、平板电脑等对护理水床发出遥控指令，在此不做限制。
可选的，在又一应用场景中，控制系统 20 具体用于：判断用户保持当前姿势的时间是否达到预设的阈值，若用户保持当前姿势的时间达到预设的阈值，则控制水囊中的水位发生改变，以帮助用户改变当前的姿势。
其中，预设的阈值既可由用户自行设置，也可以由设计人员设置。当用户保持当前姿势的时间达到预设的阈值时，可根据预设的姿势顺序，控制至少两个水囊11 中的水位发生改变，实现护理水床自动为用户改变姿势的目的。例如，当控制系统 20 判断出当前用户保持左翻身的姿势的时间已经有20 分钟，超过预设的阈值18 分钟时，根据预设的姿势顺序：平躺、左翻身、右翻身，帮助用户改变姿势，完成右翻身姿势。
总而言之，本申请中的护理水床通过在水囊上表面上设置压力传感器阵列，感知用户躺在水囊上时的压力分布，从而控制系统判断用户的姿势，并在接收到触发指令后，控制至少两个水囊中的水位发生改变，帮助用户改变当前的姿势，无需人为帮助躺在水囊上方的用户改变姿势，能够节省人力和财力，还能有效预防褥疮。
以上所述仅为本申请的实施方式，并非因此限制本申请的专利范围，凡是利用本申请说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本申请的专利保护范围内。
Claims (10)
- 一种护理水床，其特征在于，包括：水床本体，所述水床本体包括：至少两个水囊；控制系统，所述控制系统包括：压力传感器阵列，所述压力传感器阵列位于所述水囊的上表面，用于感知用户躺在所述水囊上时的压力分布，所述控制系统分析所述压力分布，判断当前躺在所述水囊上方的用户的姿势，并在接收到触发指令后，控制至少两个所述水囊中的水位发生改变，以帮助所述用户改变当前的姿势。
- 根据权利要求 1所述的护理水床，其特征在于，所述帮助所述用户改变当前的姿势包括：帮助躺在所述水囊上方的用户翻身或者抬腿或者平躺。
- 根据权利要求2 所述的护理水床，其特征在于，所述至少两个水囊包括：第一水囊、第二水囊以及第三水囊，所述第一水囊、所述第二水囊并列设置，所述第一水囊和所述第二水囊分别用于承载用户左右部分的躯体和大腿，所述第三水囊与所述第一水囊和所述第二水囊整体并排设置，所述第三水囊用于承载用户的膝关节和小腿，所述控制系统控制所述第一水囊、所述第二水囊、所述第三水囊中的水位发生改变，从而在所述第一水囊、所述第二水囊、所述第三水囊的配合下，帮助所述用户改变当前的姿势。
- 根据权利要求3 所述的护理水床，其特征在于，所述至少两个水囊还包括：第四水囊，所述第四水囊位于所述第一水囊、所述第二水囊、所述第三水囊的正下方，所述第四水囊通过管路分别与所述第一水囊、所述第二水囊、所述第三水囊连接，所述控制系统控制所述第四水囊中的水分别流向所述第一水囊、所述第二水囊、所述第三水囊或控制所述第一水囊、所述第二水囊、所述第三水囊中的水分别流向所述第四水囊，从而控制所述第一水囊、所述第二水囊、所述第三水囊中的水位发生改变。
- 根据权利要求4 所述的护理水床，其特征在于，所述第一水囊、所述第二水囊、所述第三水囊均通过两路管路与所述第四水囊连接，其中一个管路上设有第一类型的电磁阀和水泵，另一个管路上设有第二类型的电磁阀，当所述控制系统控制所述第一类型的电磁阀和所述水泵工作时，所述第四水囊中的水流向所述第一水囊或所述第二水囊或所述第三水囊，当所述控制系统控制所述第二类型的电磁阀工作时，所述第一水囊或所述第二水囊或所述第三水囊中的水流向所述第四水囊。
- 根据权利要求4 所述的护理水床，其特征在于，所述水床本体还包括：流量计，所述流量计位于所述管路上，用于监测水的流量。
- 根据权利要求3 所述的护理水床，其特征在于，在所述第一水囊、所述第二水囊、所述第三水囊中的水位相同时，所述控制系统依次控制所述第三水囊中的水位降低、所述第一水囊中的水位升高、所述第二水囊中的水位降低或依次控制所述第三水囊中的水位降低、所述第二水囊中的水位升高，所述第一水囊中的水位降低，以帮助躺在所述水囊上方的用户翻身；或，在所述第一水囊、所述第二水囊、所述第三水囊中的水位相同时，所述控制系统依次控制所述第一水囊和所述第二水囊中的水位同时降低、所述第三水囊中的水位升高、所述第一水囊和所述第二水囊中的水位升高恢复成原先的水位，以帮助躺在所述水囊上方的用户抬腿。
- 根据权利要求2 所述的护理水床，其特征在于，所述控制系统具体用于：在接收到用户的语音指令后，控制至少两个所述水囊中的水位发生改变，以帮助所述用户改变当前的姿势。
- 根据权利要求 2所述的护理水床，其特征在于，所述控制系统具体用于：在接收到用户的遥控指令后，控制至少两个所述水囊中的水位发生改变，以帮助所述用户改变当前的姿势。
- 根据权利要求2 所述的护理水床，其特征在于，所述控制系统具体用于：判断所述用户保持当前姿势的时间是否达到预设的阈值，若所述用户保持当前姿势的时间达到所述预设的阈值，则控制至少两个所述水囊中的水位发生改变，以帮助所述用户改变当前的姿势。
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