CN111281645A - Wrapping and hot compress device and control method thereof - Google Patents

Wrapping and hot compress device and control method thereof Download PDF

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Publication number
CN111281645A
CN111281645A CN202010172200.0A CN202010172200A CN111281645A CN 111281645 A CN111281645 A CN 111281645A CN 202010172200 A CN202010172200 A CN 202010172200A CN 111281645 A CN111281645 A CN 111281645A
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storage bag
liquid storage
heating
temperature
liquid
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付乐乐
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Tongji Medical College of Huazhong University of Science and Technology
Union Hospital Tongji Medical College Huazhong University of Science and Technology
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Union Hospital Tongji Medical College Huazhong University of Science and Technology
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
    • A61F7/0053—Cabins, rooms, chairs or units for treatment with a hot or cold circulating fluid
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/107—Measuring physical dimensions, e.g. size of the entire body or parts thereof
    • A61B5/1072—Measuring physical dimensions, e.g. size of the entire body or parts thereof measuring distances on the body, e.g. measuring length, height or thickness
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/107—Measuring physical dimensions, e.g. size of the entire body or parts thereof
    • A61B5/1075—Measuring physical dimensions, e.g. size of the entire body or parts thereof for measuring dimensions by non-invasive methods, e.g. for determining thickness of tissue layer
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/107—Measuring physical dimensions, e.g. size of the entire body or parts thereof
    • A61B5/1079—Measuring physical dimensions, e.g. size of the entire body or parts thereof using optical or photographic means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6802—Sensor mounted on worn items
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
    • A61F7/007—Heating or cooling appliances for medical or therapeutic treatment of the human body characterised by electric heating
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
    • A61F2007/0054—Heating or cooling appliances for medical or therapeutic treatment of the human body with a closed fluid circuit, e.g. hot water
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
    • A61F2007/0095—Heating or cooling appliances for medical or therapeutic treatment of the human body with a temperature indicator

Abstract

The invention provides a wrapping and hot compress device, which comprises a first pressing plate and a second pressing plate, wherein the first pressing plate and the second pressing plate are arc-shaped, and the inner wall surfaces of the first pressing plate and the second pressing plate are respectively provided with a first arc-shaped groove and a second arc-shaped groove; the first partition plate and the second partition plate are respectively arranged along the arc direction of the first pressing plate and the second pressing plate and respectively divide the first arc-shaped groove and the second arc-shaped groove into a first separation groove, a second separation groove, a third separation groove and a fourth separation groove; the first liquid storage bag and the second liquid storage bag are respectively and fixedly arranged in the first separation groove and the second separation groove; the third liquid storage bag and the fourth liquid storage bag are respectively and fixedly arranged in the third partition groove and the fourth partition groove; the heating rods are correspondingly arranged in the first liquid storage bag, the second liquid storage bag, the third liquid storage bag and the fourth liquid storage bag in a one-to-one mode; and the locking devices are used for locking the first pressing plate and the second pressing plate. The invention also provides a control method of the wrapping and hot compress device.

Description

Wrapping and hot compress device and control method thereof
Technical Field
The invention relates to the technical field of medical instruments, in particular to a wrapping and hot compress device and a control method thereof.
Background
Postoperative patients generally perform a cold or hot compress operation on the wound for the purpose of rapid recovery of the wound. However, most of the cold compress or hot compress operations are manually carried out by holding the cold compress bag or the hot compress bag by hands, which is troublesome and is not beneficial to other activities of patients.
Chinese utility model patent 201720877083.1 discloses a hot compress bag, including being square body roughly, it includes the bag body, and inside is formed with a plurality of cavitys that are used for holding hot compress, is connected with two frenulums with the first edge department of body, and two solid fixed rings of being connected with the second limit of body and third limit. The hot compress bag is convenient to fix, and a user can be free from the position limitation and free in movement while hot compressing. But when using, need heat earlier to demand temperature after, fix on human body, in case the temperature drops to some extent and need reheat the use for the hot compress process needs to examine the hot compress temperature always, and heats repeatedly, and complex operation has also restricted patient's home range.
Chinese utility model patent 201721723920.1 discloses a hot compress belt, including the area body, be fixed in the hot compress package on the area body through the connecting piece, and the hot compress package holds the core that generates heat, the core that generates heat including the filler that is used for generating heat to and be used for wrapping up the coating of filler. Can adjust to different sizes, it is convenient to use. But the heating core needs to be replaced in real time in the hot compress process to ensure the hot compress effect and increase the fussy degree of the hot compress process.
Disclosure of Invention
The invention aims to design and develop a wrapping and hot compress device, wherein liquid storage bags are uniformly distributed and do not need to be replaced, real-time heating can be carried out, and the hot compress effect is improved.
Another object of the present invention is to design and develop a control method of a wrapping and hot-compressing device, which can control the temperature of the first liquid storage bag, the second liquid storage bag, the third liquid storage bag and the fourth liquid storage bag when the hot-compressing device works, so as to improve the hot-compressing effect.
The invention can also accurately control the heating rate, control the hot compress time and the hot compress temperature and improve the hot compress effect.
The technical scheme provided by the invention is as follows:
a pack application device comprising:
the first pressure plate and the second pressure plate are arc-shaped, and the inner wall surfaces of the first pressure plate and the second pressure plate are respectively provided with a first arc-shaped groove and a second arc-shaped groove;
one end of the first pressing plate is hinged with one end of the second pressing plate, and when the other ends of the first pressing plate and the second pressing plate are attached, the first pressing plate and the second pressing plate enclose a circular structure;
the first partition plate is arranged in the first arc-shaped groove along the arc direction of the first pressing plate and divides the first arc-shaped groove into a first separation groove and a second separation groove;
the second partition plate is arranged in the second arc-shaped groove along the arc direction of the second pressing plate and divides the second arc-shaped groove into a third partition groove and a fourth partition groove;
the first liquid storage bag and the second liquid storage bag are respectively and fixedly arranged in the first separation groove and the second separation groove;
the third liquid storage bag and the fourth liquid storage bag are respectively and fixedly arranged in the third partition groove and the fourth partition groove;
heating liquid is arranged in the first liquid storage bag, the second liquid storage bag, the third liquid storage bag and the fourth liquid storage bag, and one sides of the first liquid storage bag and the second liquid storage bag, which are far away from the first arc-shaped groove, are wavy surfaces; one side of the third liquid storage bag and one side of the fourth liquid storage bag, which are far away from the second arc-shaped groove, are wavy surfaces; the wavy lines on the wavy surfaces of the first liquid storage bag and the third liquid storage bag are perpendicular to each other, and the included angle formed by the wavy lines on the wavy surfaces of the second liquid storage bag and the fourth liquid storage bag is 30-75 degrees;
the heating rods are correspondingly arranged in the first liquid storage bag, the second liquid storage bag, the third liquid storage bag and the fourth liquid storage bag in a one-to-one mode;
and the locking devices are arranged at the corresponding joint positions of the other ends of the first pressing plate and the second pressing plate at equal intervals and are used for locking the first pressing plate and the second pressing plate.
Preferably, the locking device includes:
the first connecting part is of a U-shaped structure, and one end of the bottom surface of the first connecting part is integrally formed at the other end of the first pressing plate;
the second connecting part is of a U-shaped structure, and one end of the bottom surface of the second connecting part is integrally formed at the other end of the second pressing plate and corresponds to the first connecting part;
one end of the connecting rod is hinged in the U-shaped structure of the first connecting part, and the other end of the connecting rod can be screwed into or out of the U-shaped structure of the second connecting part;
the locking block is of a rectangular annular structure, and one axial side in the ring is hinged with the other end of the connecting rod;
when the first pressing plate and the second pressing plate are locked, the other end of the connecting rod is rotated to enter the U-shaped structure of the second connecting portion, and the locking block is rotated to be sleeved on the first connecting portion and the second connecting portion.
Preferably, the method further comprises the following steps:
and the air holes are respectively and uniformly arranged on the first pressing plate and the second pressing plate.
Preferably, the first partition board and the second partition board are elastic partition boards, and through holes are uniformly formed in the first partition board and the second partition board.
Preferably, an annular washer is coaxially disposed within the lock block.
Preferably, the method further comprises the following steps:
the temperature sensors are respectively arranged in the first liquid storage bag, the second liquid storage bag, the third liquid storage bag and the fourth liquid storage bag and are used for detecting the temperature of the heating liquid;
the infrared sensors are respectively and oppositely arranged on the wave surfaces of the first liquid storage bag and the third liquid storage bag and are used for detecting the diameter of a binding part;
the pulse sensor is arranged on the wave surface of the first liquid storage bag and is used for detecting the pulse rate;
a timer disposed on the first pressing plate for detecting a hot compress time;
and the controller is connected with the temperature sensor, the infrared sensor, the pulse sensor, the timer and the heating rod, is used for receiving the detection data of the temperature sensor, the infrared sensor, the pulse sensor and the timer, and controls the heating rod to work.
A control method of a wrapping and hot compress device is characterized in that when the hot compress device works, the temperature of heating liquid of a first liquid storage bag, a second liquid storage bag, a third liquid storage bag and a fourth liquid storage bag is regulated and controlled based on a BP neural network, and the control method comprises the following steps:
step one, inputting the diameter D of the wrapping part without swelling, and acquiring the temperature T of the heating liquid of the liquid storage bag and the diameter D of the wrapping part through a sensor according to a sampling periodgPulse rate ChAnd the time of hot compress Tf；
Wherein the temperature T of the heating liquid of the liquid storage bag is ═ T1，T2，T3，T4]，T1Is the temperature, T, of the heating liquid of the first reservoir2Is the temperature, T, of the heating liquid of the second reservoir3Temperature of heating liquid of the third reservoir, T4The temperature of the heating liquid of the fourth liquid storage bag;
step two, sequentially heating the temperature T of the heating liquid of the liquid storage bag and the swelling degree of the binding part
Figure BDA0002409576380000041
Pulse rate ChAnd the time of hot compress TfNormalizing to determine the input layer vector x ═ x of three-layer BP neural network1，x2，x3，x4}; wherein x is1Temperature coefficient of heating liquid, x, of reservoir2Coefficient of swelling degree of dressing, x3Is the pulse coefficient, x4Is the hot compress time coefficient;
step three, the input layer vector is mapped to a middle layer, and the middle layer vector y is { y ═ y1，y2，…，ym}; m is the number of intermediate layer nodes;
step four, obtaining an output layer vector z ═ z1，z2，z3，z4}; wherein z is1Is the temperature regulation coefficient of the heating liquid of the first reservoir, z2Is the temperature regulation coefficient, z, of the heating liquid of the second reservoir3Temperature adjustment coefficient of heating liquid of the third reservoir, z4As a fourth reservoirTemperature of the heating liquid is adjusted to a coefficient such that
T1，i+1＝z1 iT1max，
T2，i+1＝z2 iT2max，
T3，i+1＝z3 iT3max，
T4，i+1＝z4 iT4max，
Wherein z is1 i、z2 i、z3 i、z4 iOutput layer vector parameters, T, for the ith sampling period1max、T2max、T3max、T4maxThe maximum heating temperature of the heating liquid of the first liquid storage bag, the maximum heating temperature of the heating liquid of the second liquid storage bag, the maximum heating temperature of the heating liquid of the third liquid storage bag, the maximum heating temperature of the heating liquid of the fourth liquid storage bag, and T1，i+1、T2，i+1、T3，i+1、T4，i+1The heating temperature of the heating liquid of the first liquid storage bag, the heating temperature of the heating liquid of the second liquid storage bag, the heating temperature of the heating liquid of the third liquid storage bag and the heating temperature of the heating liquid of the fourth liquid storage bag in the (i + 1) th sampling period are respectively set.
Preferably, in the second step, the temperature T of the heating liquid of the liquid storage bag and the swelling degree of the binding part
Figure BDA0002409576380000051
Pulse rate ChAnd the time of hot compress TfThe normalization formula is:
Figure BDA0002409576380000052
wherein x isjFor parameters in the input layer vector, XjRespectively, measurement parameters F, Hg、Ch、Tf，j＝1，2，3，4；XjmaxAnd XjminRespectively, a maximum value and a minimum value in the corresponding measured parameter.
Preferably, in the first step, in an initial operation state, the temperature of the heating liquid in the first reservoir, the temperature of the heating liquid in the second reservoir, the temperature of the heating liquid in the third reservoir, and the temperature of the heating liquid in the fourth reservoir satisfy empirical values:
T1，0＝T2，0＝T3，0＝T4，0＝T0，
wherein, T1，0、T2，0、T3，0、T4，0Respectively the initial temperature of the heating liquid of the first liquid storage bag, the initial temperature of the heating liquid of the second liquid storage bag, the initial temperature of the heating liquid of the third liquid storage bag and the initial temperature of the heating liquid of the fourth liquid storage bag, T0At room temperature.
It is preferable that the first and second liquid crystal layers are formed of,
when T isq＞Tq，sIn time, the heating rod works, and the heating rate is controlled to meet the following requirements:
Figure BDA0002409576380000061
when T isq≤Tq，sThe heating rod does not work until the temperature of the heating liquid of the liquid storage bag meets the requirement, and the heating rod works to maintain the temperature of the heating liquid to be constant;
wherein, TqThe required temperature of the heating liquid for the q-th liquid storage bag, Tq，sThe actual temperature of the heating liquid in the qth reservoir, q is 1, 2, 3, 4, VqHeating rate of heating liquid for q-th reservoir, Ch0Based on the pulse rate, Tf0Standard hot compress time, ta0The time for standard hot compress is the time for standard hot compress,
Figure BDA0002409576380000062
is the average required temperature, Δ T, of the heating fluid0Is the standard temperature difference, and e is the base of the natural logarithm.
The invention has the following beneficial effects:
(1) the binding and hot compress device designed and developed by the invention has the advantages that the liquid storage bags are uniformly distributed and do not need to be replaced, the real-time heating can be carried out, and the hot compress effect is improved.
(2) The control method of the wrapping and hot compress device designed and developed by the invention can regulate and control the temperature of the first liquid storage bag, the second liquid storage bag, the third liquid storage bag and the fourth liquid storage bag when the hot compress device works, thereby improving the hot compress effect. The invention can also accurately control the heating rate, control the hot compress time and the hot compress temperature and improve the hot compress effect.
Drawings
FIG. 1 is a schematic view of the pack of the present invention.
FIG. 2 is a schematic view of the zone division configuration of the pack of the present invention.
FIG. 3 is a schematic view of the pack of the present invention.
FIG. 4 is a schematic view of the pack of the present invention.
FIG. 5 is a schematic view of the pack of the present invention.
FIG. 6 is a schematic view of the pack of the present invention.
FIG. 7 is an enlarged partial schematic view of the locking mechanism of the pack application device of the present invention.
Description of the reference numerals
110. A first platen; 210. a second platen; 120. a first separator; 220. a second separator; 111. a first arc-shaped groove; 1111. a first partition groove; 1112. a second partition groove; 211. a second arc-shaped groove; 2111. a third partition groove; 2112. a fourth partition groove; 121. a first reservoir; 122. a second reservoir; 221. a third reservoir; 222. a fourth reservoir; 130. a locking device; 131. a first connection portion; 132. a second connecting portion; 133. a connecting rod; 134. a locking block; 140. a heating rod; 150. reserving a hole; 160. and (4) air holes.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
This invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather as being provided for the purpose of illustration and description. In the drawings, the size and relative sizes of structures and regions may be exaggerated for clarity.
As shown in FIGS. 1 to 7, the present invention provides a pack application apparatus, which comprises a first pressing plate 110 and a second pressing plate 210, which are arc-shaped and have inner wall surfaces provided with a first arc-shaped groove 111 and a second arc-shaped groove 211, respectively. One end of the first pressing plate 110 is hinged to one end of the second pressing plate 210, and when the other ends of the first pressing plate 110 and the second pressing plate 210 are attached to each other, the first pressing plate 110 and the second pressing plate 210 form a circular structure. A first partition 120 is disposed in the first arc groove 111 along the arc direction of the first presser plate 110 to divide the first arc groove 111 into a first partition 1111 and a second partition 1112. A second partition plate 220 is disposed in the second arc groove 211 along the arc direction of the second pressure plate 210, and divides the second arc groove 211 into a third partition 2111 and a fourth partition 2112.
The first reservoir 121 and the second reservoir 122 are fixedly disposed in the first partition 1111 and the second partition 1112, respectively, in a one-to-one correspondence. The third reservoir 221 and the fourth reservoir 222 are fixedly disposed in the third partition 2111 and the fourth partition 2112, respectively, in a one-to-one correspondence. One sides of the first and second reservoirs 121 and 121 close to the first arc-shaped groove 111 are fixedly connected with the first arc-shaped groove 111, and one sides of the first and second reservoirs 121 and 122 far away from the first arc-shaped groove 1111 are wavy surfaces. One sides of the third reservoir 221 and the fourth reservoir 221, which are close to the second arc-shaped groove 211, are fixedly connected with the second arc-shaped groove 211, and one sides of the third reservoir 221 and the fourth reservoir 222, which are far away from the second arc-shaped groove 211, are wavy surfaces. The raised patterns on the wavy surfaces of the first reservoir 121 and the third reservoir 221 are perpendicular to each other, and are preferably parallel to the axial direction of the circular ring structure and parallel to the radial direction of the circular ring structure. The included angle formed by the wavy lines on the wavy surfaces of the second liquid storage bag 122 and the fourth liquid storage bag 222 is 30-75 degrees, and is preferably 45 degrees.
A plurality of heating rods 130 are respectively arranged in the first arc-shaped groove 111 and the second arc-shaped groove 211, that is, the heating rods 140 are respectively arranged in the first partition 1111, the second partition 1112, the third partition 2111 and the fourth partition 2112 in a one-to-one correspondence manner, a power supply (not shown in the figure) is connected with the heating rods in a one-to-one correspondence manner, and a slide rheostat is arranged between the power supply and the corresponding heating rods 140 and used for changing the current passing through the heating rods so as to adjust the heating temperature of the heating rods 140 and further adjust the temperature of the liquid in the liquid storage bag (i.e., adjust the hot compress temperature). By providing a battery well (not shown) on the pressure plate and a battery in the battery well, the battery can be a common battery, a rechargeable battery or an electronic device, so that the device can be freely moved without limitation when the device is worn. And the connection of the battery jar and the corresponding lead is the existing mature technology, so the specific structure thereof is not repeated again.
A plurality of locking devices 130 are arranged at equal intervals at the corresponding joint of the other ends of the first pressing plate 110 and the second pressing plate 210, and are used for locking the first pressing plate 110 and the second pressing plate 210.
The first pressing plate 110 and the second pressing plate 210 are respectively provided with a reserved hole 150 which is in one-to-one correspondence with the heating rods 140, one end of each heating rod 140 is wrapped with an insulating material and is arranged in the corresponding pressure relief hole 150 in one-to-one correspondence, and the other end of each heating rod is arranged in the corresponding liquid storage bag. The first pressing plate 110 and the second pressing plate 210 are respectively and uniformly provided with a plurality of air holes 160, so that the pressure of the liquid storage bag on the inner walls of the first pressing plate 110 and the second pressing plate 210 is relieved.
The locking device 130 includes a first connecting portion 131 having a U-shaped structure, and one end of the bottom surface is integrally formed at the other end of the first pressing plate 110. The second connecting portion 132 is of a U-shaped structure, and one end of the bottom surface is integrally formed at the other end of the second pressing plate 210 and corresponds to the first connecting portion 131. And a connecting rod 133 having one end hinged in the U-shaped structure of the first connecting portion 131 and the other end capable of being screwed into or out of the U-shaped structure of the second connecting portion 132. And the locking block 134 is of a rectangular annular structure, and one axial side in the annular structure is hinged with the other end of the connecting rod 133. When the first pressing plate 110 and the second pressing plate 210 are tightly locked, the other end of the rotating connecting rod 133 enters the U-shaped structure of the second connecting portion 132, and the rotating locking block 134 is sleeved on the first connecting portion 131 and the second connecting portion 132. A rubber ring (not shown) is arranged in the locking block 134 to improve the friction force during locking, so that the locking is more stable.
The first partition plate 120 and the second partition plate 220 are elastic partition plates, and through holes are uniformly formed in the first partition plate 120 and the second partition plate 220, so that the pressure of the liquid storage bag on the first partition plate 120 and the second partition plate 220 can be relieved.
In this embodiment, the method further includes: and a plurality of temperature sensors respectively disposed in the first reservoir 121, the second reservoir 122, the third reservoir 221 and the fourth reservoir 222 for detecting the temperature of the liquid in the reservoirs. A plurality of infrared sensors which are respectively and oppositely arranged on the wave surfaces of the first liquid storage bag 121 and the third liquid storage bag 221 and are used for detecting the diameter of the binding site; the pulse sensor is arranged on the wave surface of the first liquid storage bag 121 and used for detecting the pulse rate of the bandaging part; and a timer provided on the first presser plate 110 for detecting a hot compress time. And the controller is connected with the temperature sensor, the infrared sensor, the pulse sensor, the timer and the heating rod, and is used for receiving detection data of the temperature sensor, the infrared sensor, the pulse sensor and the timer and controlling the heating rod to work.
The binding and hot compress device designed and developed by the invention has the advantages that the liquid storage bags are uniformly distributed and do not need to be replaced, the real-time heating can be carried out, and the hot compress effect is improved.
The invention also provides a control method of the wrapping and hot compress device, when the hot compress device works, the temperature of the heating liquid in the first liquid storage bag, the second liquid storage bag, the third liquid storage bag and the fourth liquid storage bag is regulated and controlled based on the BP neural network, and the control method comprises the following steps:
step one, establishing a BP neural network model;
the BP neural network system structure adopted by the invention is composed of three layers, wherein the first layer is an input layer, n nodes are provided in total, n detection signals representing the working state of the equipment are correspondingly provided, and the signal parameters are given by a data preprocessing module. The second layer is a hidden layer, and has m nodes, and is determined by the training process of the network in a self-adaptive mode. The third layer is an output layer, p nodes are provided in total, and the output is determined by the response actually needed by the system.
The mathematical model of the network is:
inputting a layer vector: x ═ x1，x2，…，xn)T
Intermediate layer vector: y ═ y1，y2，…，ym)T
Outputting a layer vector: z is (z)1，z2，…，zp)T
In the invention, the number of nodes of the input layer is n equal to 4, and the number of nodes of the output layer is p equal to 4. The number m of hidden layer nodes is estimated by the following formula:
Figure BDA0002409576380000101
according to the sampling period, the input 4 parameters are x1Temperature coefficient of heating liquid, x, of reservoir2Coefficient of swelling degree of dressing, x3Is the pulse coefficient, x4Is the hot compress time coefficient;
the data acquired by the sensors belong to different physical quantities, and the dimensions of the data are different. Therefore, the data needs to be normalized to a number between 0-1 before it is input into the neural network.
Specifically, the temperature T of the heating liquid in the reservoir is normalized to obtain the temperature coefficient x of the heating liquid in the reservoir1：
Figure BDA0002409576380000102
Wherein, TmaxAnd TminRespectively the maximum temperature and the minimum temperature of the heating liquid of the liquid storage bag.
The temperature T of the heating liquid of the liquid storage bag is [ T ═ T [ ]1，T2，T3，T4]，T1Is the temperature, T, of the heating liquid of the first reservoir2Is the temperature, T, of the heating liquid of the second reservoir3Temperature of heating liquid of the third reservoir, T4The temperature of the heating liquid of the fourth liquid storage bag;
similarly, for the bagDegree of swelling at the prick
Figure BDA0002409576380000103
After normalization, the swelling degree of the bandaged part is obtained
Figure BDA0002409576380000104
Coefficient x2：
Figure BDA0002409576380000111
Wherein the content of the first and second substances,
Figure BDA0002409576380000112
and
Figure BDA0002409576380000113
maximum and minimum values of the swelling of the dressing were obtained.
For pulse rate ChNormalized to obtain the pulse coefficient x3：
Figure BDA0002409576380000114
Wherein, ChminAnd ChmaxThe minimum pulse rate and the maximum pulse rate are respectively.
For the hot compress time TfNormalized to obtain the hot compress time coefficient x4：
Figure BDA0002409576380000115
Wherein, TfminAnd TfmaxMinimum and maximum values of the hot compress time, respectively.
The 4 parameters of the output signal are respectively expressed as: z is a radical of1Is the temperature regulation coefficient of the heating liquid of the first reservoir, z2Is the temperature regulation coefficient, z, of the heating liquid of the second reservoir3Temperature adjustment coefficient of heating liquid of the third reservoir, z4Heating liquid as fourth liquid storage bagThe temperature-regulating coefficient of (a) is,
temperature adjustment coefficient z of heating liquid of first reservoir1Expressed as the temperature of the heating liquid of the first liquid storage bag in the next sampling period and the maximum heating temperature (T) set in the current sampling period1max) The temperature of the collected heating liquid of the first liquid storage bag in the ith sampling period is T1，iOutputting the temperature regulating coefficient z of the first liquid storage bag of the ith sampling period through a BP neural network1 iThen, controlling the temperature of the heating liquid of the first liquid storage bag to be T in the (i + 1) th sampling period1，i+1So that it satisfies T1，i+1＝z1 iT1max；
Temperature adjustment coefficient z of heating liquid of second reservoir2Expressed as the temperature of the heating liquid of the second liquid storage bag in the next sampling period and the maximum heating temperature (T) set in the current sampling period2max) The temperature of the collected heating liquid of the second liquid storage bag in the ith sampling period is T2，iOutputting the temperature regulating coefficient z of the second liquid storage bag of the ith sampling period through a BP neural network2 iThen, controlling the temperature of the heating liquid of the second liquid storage bag to be T in the (i + 1) th sampling period2，i+1So that it satisfies T2，i+1＝z2 iT2max；
Temperature control coefficient z of heating liquid of third reservoir3Expressed as the temperature of the heating liquid of the third liquid storage bag in the next sampling period and the maximum heating temperature (T) set in the current sampling period3max) The temperature of the collected heating liquid of the third liquid storage bag in the ith sampling period is T1，i' outputting temperature regulation coefficient z of third reservoir of ith sampling period through BP neural network3 iThen, controlling the temperature of the heating liquid of the third liquid storage bag in the (i + 1) th sampling period to be T3，i+1So that it satisfies T3，i+1＝z3 iT3max；
Temperature control coefficient z of heating liquid of fourth reservoir4Denoted as the fourth in the next sample periodThe temperature of the heating liquid of the liquid storage bag and the maximum heating temperature (T) set in the current sampling period4max) The temperature of the collected heating liquid of the fourth liquid storage bag in the ith sampling period is T4，iOutputting the temperature regulating coefficient z of the fourth liquid storage bag of the ith sampling period through a BP neural network1 iThen, controlling the temperature of the heating liquid of the fourth liquid storage bag in the (i + 1) th sampling period to be T4，i+1So that it satisfies T4，i+1＝z4 iT4max；
Step two: and (5) training the BP neural network.
After the BP neural network node model is established, the training of the BP neural network can be carried out. Obtaining training samples according to empirical data of the product, and giving a connection weight w between an input node i and a hidden layer node jijConnection weight w between hidden layer node j and output layer node kjkThreshold value theta of hidden layer node jjThreshold value w of node k of output layerij、wjk、θj、θkAre all random numbers between-1 and 1.
Continuously correcting w in the training processijAnd wjkUntil the system error is less than or equal to the expected error, the training process of the neural network is completed.
As shown in table 1, a set of training samples is given, along with the values of the nodes in the training process.
TABLE 1 training Process node values
Figure BDA0002409576380000121
Figure BDA0002409576380000131
Step three, collecting data operation parameters and inputting the data operation parameters into a neural network to obtain a regulation and control coefficient;
the trained artificial neural network is solidified in the chip, so that the hardware circuit has the functions of prediction and intelligent decision making, and intelligent hardware is formed. Intelligent hardAfter the piece adds the power on and starts, the hot compress device begins to operate, and the initial temperature of first liquid storage bag, the initial temperature of second liquid storage bag, the initial temperature of third liquid storage bag, the initial temperature of fourth liquid storage bag satisfy empirical value: t is1,0＝T2,0＝T3,0＝T4,0＝T0Wherein, T1,0、T2,0、T3,0、T4,0Respectively the initial temperature of the heating liquid of the first liquid storage bag, the initial temperature of the heating liquid of the second liquid storage bag, the initial temperature of the heating liquid of the third liquid storage bag and the initial temperature of the heating liquid of the fourth liquid storage bag, T0At room temperature.
Meanwhile, the diameter D of the wrapping part without swelling is input, and the initial temperature T of the liquid storage bag is measured by using a sensor0Initial diameter of the pack Dg0Initial pulse rate Ch0And initial pressing time Tf0Normalizing the parameters to obtain an initial input vector of the BP neural network
Figure BDA0002409576380000141
Obtaining an initial output vector through operation of a BP neural network
Figure BDA0002409576380000142
Step four: obtaining an initial output vector
Figure BDA0002409576380000143
After that, the temperature of the heating liquid of the first liquid storage bag, the second liquid storage bag, the third liquid storage bag and the fourth liquid storage bag can be adjusted, so that the temperature of the heating liquid of the first liquid storage bag, the second liquid storage bag, the third liquid storage bag and the fourth liquid storage bag in the next sampling period is respectively as follows:
T1，1＝z1 0T1max，
T2，1＝z2 0T2max，
T3，1＝z3 0T3max，
T4，1＝z4 0T4max，
acquiring the temperature T of the heating liquid in the ith sampling period through a sensoriDiameter of bandaging part DgiPulse rate ChiAnd the time of hot compress TfiAn input vector x of the ith sampling period is obtained by normalizationi＝(x1 i，x2 i，x3 i，x4 i) Obtaining an output vector z of the ith sampling period through the operation of a BP neural networki＝(z1 i，z2 i，z3 i，z4 i) And then the heating temperature of the heating liquid of the first liquid storage bag, the second liquid storage bag, the third liquid storage bag and the fourth liquid storage bag is controlled and adjusted, so that the heating temperature of the heating liquid of the first liquid storage bag, the second liquid storage bag, the third liquid storage bag and the fourth liquid storage bag is respectively as follows when the (i + 1) th sampling period is carried out:
T1，i+1＝z1 iT1max，
T2，i+1＝z2 iT2max，
T3，i+1＝z3 iT3max，
T4，i+1＝z4 iT4max，
wherein z is1 i、z2 i、z3 i、z4 iOutput layer vector parameters, T, for the ith sampling period1max、T2max、T3max、T4maxThe maximum heating temperature of the heating liquid of the first liquid storage bag, the maximum heating temperature of the heating liquid of the second liquid storage bag, the maximum heating temperature of the heating liquid of the third liquid storage bag, the maximum heating temperature of the heating liquid of the fourth liquid storage bag, and T1，i+1、T2，i+1、T3，i+1、T4，i+1The heating temperature of the heating liquid of the first liquid storage bag, the heating temperature of the heating liquid of the second liquid storage bag, the heating temperature of the heating liquid of the third liquid storage bag and the heating temperature of the heating liquid of the fourth liquid storage bag in the (i + 1) th sampling periodThe temperature is heated.
Through the setting, through the operating condition of sensor real-time supervision hot compress device, through adopting BP neural network algorithm, regulate and control the heating temperature of the heating liquid of first liquid storage bag, second liquid storage bag, third liquid storage bag and fourth liquid storage bag, make it reach the best state, improve the hot compress effect.
Can carry out the hot compress to the wound, and no wound is located and only heats a little and plays the cushioning effect, avoids whole heating to make wound blood flow too fast, can also prevent that the wound difference in temperature is too big, can carry out the pertinence hot compress to specific position again, has both improved the hot compress effect, has also improved the hot compress travelling comfort.
Step 4, when T is reachedq＞Tq，sIn time, the heating rod works, and the heating rate is controlled to meet the following requirements:
Figure BDA0002409576380000151
when T isq≤Tq，sThe heating rod does not work until the temperature of the heating liquid of the liquid storage bag meets the requirement, and the heating rod works to maintain the temperature of the heating liquid to be constant;
wherein, TqThe required temperature of the heating liquid for the q-th liquid storage bag, Tq，sThe actual temperature of the heating liquid in the qth reservoir, q is 1, 2, 3, 4, VqHeating rate of heating liquid for q-th reservoir, Ch0Based on the pulse rate, Tf0Standard hot compress time, ta0The time for standard hot compress is the time for standard hot compress,
Figure BDA0002409576380000152
is the average required temperature, Δ T, of the heating fluid0Is the standard temperature difference, and e is the base of the natural logarithm.
The control method of the wrapping and hot compress device designed and developed by the invention can regulate and control the temperature of the first liquid storage bag, the second liquid storage bag, the third liquid storage bag and the fourth liquid storage bag when the hot compress device works, thereby improving the hot compress effect. The invention can also accurately control the heating rate, control the hot compress time and the hot compress temperature and improve the hot compress effect.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.

Claims (10)

1. A wrap and heat application device, comprising:
the first pressure plate and the second pressure plate are arc-shaped, and the inner wall surfaces of the first pressure plate and the second pressure plate are respectively provided with a first arc-shaped groove and a second arc-shaped groove;
one end of the first pressing plate is hinged with one end of the second pressing plate, and when the other ends of the first pressing plate and the second pressing plate are attached, the first pressing plate and the second pressing plate enclose a circular structure;
the first partition plate is arranged in the first arc-shaped groove along the arc direction of the first pressing plate and divides the first arc-shaped groove into a first separation groove and a second separation groove;
the second partition plate is arranged in the second arc-shaped groove along the arc direction of the second pressing plate and divides the second arc-shaped groove into a third partition groove and a fourth partition groove;
the first liquid storage bag and the second liquid storage bag are respectively and fixedly arranged in the first separation groove and the second separation groove;
the third liquid storage bag and the fourth liquid storage bag are respectively and fixedly arranged in the third partition groove and the fourth partition groove;
heating liquid is arranged in the first liquid storage bag, the second liquid storage bag, the third liquid storage bag and the fourth liquid storage bag, and one sides of the first liquid storage bag and the second liquid storage bag, which are far away from the first arc-shaped groove, are wavy surfaces; one side of the third liquid storage bag and one side of the fourth liquid storage bag, which are far away from the second arc-shaped groove, are wavy surfaces; the wavy lines on the wavy surfaces of the first liquid storage bag and the third liquid storage bag are perpendicular to each other, and the included angle formed by the wavy lines on the wavy surfaces of the second liquid storage bag and the fourth liquid storage bag is 30-75 degrees;
the heating rods are correspondingly arranged in the first liquid storage bag, the second liquid storage bag, the third liquid storage bag and the fourth liquid storage bag in a one-to-one mode;
and the locking devices are arranged at the corresponding joint positions of the other ends of the first pressing plate and the second pressing plate at equal intervals and are used for locking the first pressing plate and the second pressing plate.
2. A pack application as claimed in claim 1, wherein the locking means comprises:
the first connecting part is of a U-shaped structure, and one end of the bottom surface of the first connecting part is integrally formed at the other end of the first pressing plate;
the second connecting part is of a U-shaped structure, and one end of the bottom surface of the second connecting part is integrally formed at the other end of the second pressing plate and corresponds to the first connecting part;
one end of the connecting rod is hinged in the U-shaped structure of the first connecting part, and the other end of the connecting rod can be screwed into or out of the U-shaped structure of the second connecting part;
the locking block is of a rectangular annular structure, and one axial side in the ring is hinged with the other end of the connecting rod;
when the first pressing plate and the second pressing plate are locked, the other end of the connecting rod is rotated to enter the U-shaped structure of the second connecting portion, and the locking block is rotated to be sleeved on the first connecting portion and the second connecting portion.
3. A packing heat pack as claimed in claim 1 or claim 2 further including:
and the air holes are respectively and uniformly arranged on the first pressing plate and the second pressing plate.
4. A pack application as claimed in claim 3, wherein the first and second dividers are resilient dividers and the first and second dividers are provided with through holes uniformly therethrough.
5. A pack application as claimed in claim 2, wherein an annular washer is coaxially disposed within the lock block.
6. A packing heat pack as claimed in claim 5, further comprising:
the temperature sensors are respectively arranged in the first liquid storage bag, the second liquid storage bag, the third liquid storage bag and the fourth liquid storage bag and are used for detecting the temperature of the heating liquid;
the infrared sensors are respectively and oppositely arranged on the wave surfaces of the first liquid storage bag and the third liquid storage bag and are used for detecting the diameter of a binding part;
the pulse sensor is arranged on the wave surface of the first liquid storage bag and is used for detecting the pulse rate;
a timer disposed on the first pressing plate for detecting a hot compress time;
and the controller is connected with the temperature sensor, the infrared sensor, the pulse sensor, the timer and the heating rod, is used for receiving the detection data of the temperature sensor, the infrared sensor, the pulse sensor and the timer, and controls the heating rod to work.
7. The control method for the wrapping and hot compress device is characterized in that when the hot compress device works, the temperature of heating liquid of a first liquid storage bag, a second liquid storage bag, a third liquid storage bag and a fourth liquid storage bag is regulated and controlled based on a BP neural network, and the control method comprises the following steps:
step one, inputting the diameter D of the wrapping part without swelling, and acquiring the temperature T of the heating liquid of the liquid storage bag and the diameter D of the wrapping part through a sensor according to a sampling periodgPulse rate ChAnd the time of hot compress Tf；
Wherein the temperature T of the heating liquid of the liquid storage bag is ═ T1，T2，T3，T4]，T1Is the temperature, T, of the heating liquid of the first reservoir2Is the temperature of the heating liquid of the second liquid storage bagDegree, T3Temperature of heating liquid of the third reservoir, T4The temperature of the heating liquid of the fourth liquid storage bag;
step two, sequentially heating the temperature T of the heating liquid of the liquid storage bag and the swelling degree of the binding part
Figure FDA0002409576370000031
Pulse rate ChAnd the time of hot compress TfNormalizing to determine the input layer vector x ═ x of three-layer BP neural network1，x2，x3，x4}; wherein x is1Temperature coefficient of heating liquid, x, of reservoir2Coefficient of swelling degree of dressing, x3Is the pulse coefficient, x4Is the hot compress time coefficient;
step three, the input layer vector is mapped to a middle layer, and the middle layer vector y is { y ═ y1，y2，…，ym}; m is the number of intermediate layer nodes;
step four, obtaining an output layer vector z ═ z1，z2，z3，z4}; wherein z is1Is the temperature regulation coefficient of the heating liquid of the first reservoir, z2Is the temperature regulation coefficient, z, of the heating liquid of the second reservoir3Temperature adjustment coefficient of heating liquid of the third reservoir, z4The temperature of the heating liquid of the fourth liquid storage bag is adjusted by the coefficient
T1，i+1＝z1 iT1max，
T2，i+1＝z2 iT2max，
T3，i+1＝z3 iT3max，
T4，i+1＝z4 iT4max，
Wherein z is1 i、z2 i、z3 i、z4 iOutput layer vector parameters, T, for the ith sampling period1max、T2max、T3max、T4maxAre respectively the first of settingThe maximum heating temperature of the heating liquid of the liquid storage bags, the maximum heating temperature of the heating liquid of the second liquid storage bag, the maximum heating temperature of the heating liquid of the third liquid storage bag, the maximum heating temperature of the heating liquid of the fourth liquid storage bag, T1，i+1、T2，i+1、T3，i+1、T4，i+1The heating temperature of the heating liquid of the first liquid storage bag, the heating temperature of the heating liquid of the second liquid storage bag, the heating temperature of the heating liquid of the third liquid storage bag and the heating temperature of the heating liquid of the fourth liquid storage bag in the (i + 1) th sampling period are respectively set.
8. A method of controlling a pack application apparatus as claimed in claim 7, wherein in step two, the temperature T of the heating fluid in the reservoir and the degree of swelling in the pack
Figure FDA0002409576370000041
Pulse rate ChAnd the time of hot compress TfThe normalization formula is:
Figure FDA0002409576370000042
wherein x isjFor parameters in the input layer vector, XjRespectively, measurement parameters F, Hg、Ch、Tf，j＝1，2，3，4；XjmaxAnd XiminRespectively, a maximum value and a minimum value in the corresponding measured parameter.
9. A method of controlling a pack heat application device as recited in claim 8 wherein in step one, the temperature of the heating fluid of the first reservoir, the temperature of the heating fluid of the second reservoir, the temperature of the heating fluid of the third reservoir, and the temperature of the heating fluid of the fourth reservoir satisfy empirical values in an initial operating state:
T1，0＝T2，0＝T3，0＝T4，0＝T0，
wherein, T1，0、T2，0、T3，0、T4，0Respectively the initial temperature of the heating liquid of the first liquid storage bag, the initial temperature of the heating liquid of the second liquid storage bag, the initial temperature of the heating liquid of the third liquid storage bag and the initial temperature of the heating liquid of the fourth liquid storage bag, T0At room temperature.
10. A method of controlling a pack application apparatus as claimed in claim 7, 8 or 9,
when T isq＞Tq，sIn time, the heating rod works, and the heating rate is controlled to meet the following requirements:
Figure FDA0002409576370000043
when T isq≤Tq，sThe heating rod does not work until the temperature of the heating liquid of the liquid storage bag meets the requirement, and the heating rod works to maintain the temperature of the heating liquid to be constant;
wherein, TqThe required temperature of the heating liquid for the q-th liquid storage bag, Tq，sThe actual temperature of the heating liquid in the qth reservoir, q is 1, 2, 3, 4, VqHeating rate of heating liquid for q-th reservoir, Ch0Based on the pulse rate, Tf0Standard hot compress time, ta0The time for standard hot compress is the time for standard hot compress,
Figure FDA0002409576370000051
is the average required temperature, Δ T, of the heating fluid0Is the standard temperature difference, and e is the base of the natural logarithm.
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