WO2013177877A1 - 按摩器材的热敷装置的恒温控制方法及按摩器材 - Google Patents

按摩器材的热敷装置的恒温控制方法及按摩器材 Download PDF

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WO2013177877A1
WO2013177877A1 PCT/CN2012/082161 CN2012082161W WO2013177877A1 WO 2013177877 A1 WO2013177877 A1 WO 2013177877A1 CN 2012082161 W CN2012082161 W CN 2012082161W WO 2013177877 A1 WO2013177877 A1 WO 2013177877A1
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temperature
heating wire
real
pulse
duty ratio
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PCT/CN2012/082161
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English (en)
French (fr)
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马学军
蒋传乐
吴明辉
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深圳市倍轻松科技股份有限公司
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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
    • A61F7/007—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
    • G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
    • G05D23/24—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor
    • G05D23/2401—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor using a heating element as a sensing element
    • 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
    • A61F2007/0071—Heating or cooling appliances for medical or therapeutic treatment of the human body characterised by electric heating using a resistor, e.g. near the spot to be heated
    • 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
    • A61F2007/0086—Heating or cooling appliances for medical or therapeutic treatment of the human body with a thermostat
    • 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
    • A61F2007/0093—Heating or cooling appliances for medical or therapeutic treatment of the human body programmed

Definitions

  • the invention belongs to the field of electronics, and in particular relates to a constant temperature control technology of a heat applying device of a massage device.
  • the hot compress function is the main function of the massage equipment.
  • the driving principle diagram of the existing hot pack function is shown in Figure 1, which is achieved by controlling the heating time of the heating wire.
  • the effect of the constant temperature is specifically achieved by heating the heating wire for 10 seconds, closing for 2 seconds, then heating for 10 seconds, and closing for 2 seconds.
  • the hot-spot constant temperature control method provided by the prior art does not take into consideration the interference of the ambient temperature.
  • the ambient temperature in Harbin and Shenzhen differs greatly, and the actual temperature control is not practically performed.
  • the existing constant-temperature heating is also By controlling the time to control the temperature, the actual temperature of the heating wire is unknown, and it is impossible to achieve the constant temperature requirement.
  • the purpose of the embodiments of the present invention is to provide a constant temperature control method for a heat applying device of a massage device, which aims to solve the problem that the prior art solution cannot reach a constant temperature without considering the influence of the ambient temperature.
  • the embodiment of the present invention is achieved by the method of controlling the constant temperature of the heat applying device of the massage device, and the method comprises:
  • the real-time temperature of the heating wire is detected by the thermistor detecting circuit
  • the temperature of the heating wire is adjusted by gradually decreasing the duty ratio of the pulse.
  • the present invention also provides a massage apparatus, the massage apparatus comprising:
  • a detecting circuit for detecting a real-time temperature of the heating wire through the thermistor detecting circuit
  • the temperature control circuit is configured to adjust the temperature of the heating wire by gradually reducing the duty ratio of the pulse when the difference between the real-time temperature and the constant temperature is less than the temperature threshold.
  • the technical solution provided by the present invention detects the temperature of the heating wire through the thermistor detecting circuit, and adopts the approaching heating method to realize the hot compressing by the detected temperature, because the technical solution provided by the present invention can directly
  • the temperature of the heating wire is detected, and the duty ratio of the pulse is adjusted by detecting the temperature to achieve the purpose of constant temperature, so that it has the advantage of being able to reach a constant temperature, taking into account the influence of the ambient temperature, and the temperature rises gently.
  • FIG. 1 is a schematic diagram of driving of a hot pack function provided by the prior art
  • FIG. 2 is a flow chart of a method for controlling a constant temperature of a heat applying device of a massage device according to an embodiment of the present invention
  • FIG. 3 is a schematic diagram of a thermistor detecting circuit provided by the prior art
  • FIG. 4 is a schematic diagram of another thermistor detecting circuit provided by the prior art.
  • FIG. 5 is a structural view of a massage apparatus according to an embodiment of the present invention.
  • FIG. 6 is a structural diagram of a detecting circuit provided by an embodiment of the present invention.
  • the embodiment of the present invention is proposed based on the following scenario.
  • the prior art outputs the variable frequency pulse through the I/O port of the CPU, and through the change of the pulse waveform, the transistor is amplified and driven, and the heating of the heating wire is controlled according to the time of the control pulse.
  • the time is to achieve the purpose of constant temperature control, and in addition, the duty ratio of the pulse is constant, so that the heating width of the heating wire is the same, so that the temperature fluctuation range is too large when heating at a constant temperature.
  • the invention provides a constant temperature control method for a heat applying device of a massage device, and the method is as shown in FIG. 2, comprising:
  • the real-time temperature of the heating wire is detected by the thermistor detecting circuit
  • the temperature of the heating wire is adjusted by gradually decreasing the duty ratio of the pulse.
  • the technical solution provided by the present invention detects the temperature of the heating wire through the thermistor detecting circuit.
  • the temperature of the heating wire can be detected only by installing the thermistor around the heating wire, and the detected temperature is passed.
  • the approximating heating method is used to realize the hot compressing.
  • the technical solution provided by the present invention can directly detect the temperature of the heating wire, and when the difference between the real-time temperature and the constant temperature is less than the temperature threshold is less than the temperature threshold, the duty ratio of the pulse is gradually reduced. In this way, the temperature of the heating wire is adjusted, so that the temperature rise is relatively gentle, so that it has the advantage that the temperature rises gently.
  • implementation method of the foregoing S22 may specifically be:
  • the step-by-step method for reducing the pulse duty ratio may be: setting a duty ratio corresponding to a plurality of temperature differences, for example, a duty ratio of 30% at 2 degrees and 25% at 1 degree. 0.5 degrees and then 20%.
  • a duty ratio corresponding to a plurality of temperature differences for example, a duty ratio of 30% at 2 degrees and 25% at 1 degree. 0.5 degrees and then 20%.
  • the thermistor detecting circuit can adopt the prior art thermistor detecting circuit.
  • the circuit is as shown in FIG. 3 and FIG. 4, and the working principle of FIG. 3 is as follows: Intelligent Micro Control Central Processing Unit Dedicated AD
  • the port detects the voltage on R4, and the detected voltage can calculate the resistance value of the thermistor R3 according to the resistance value of R4.
  • the real-time temperature of the heating wire can be known by the thermistor meter, wherein C1 is a stable signal. The role of ensuring the detection of precise values.
  • FIG. 4 The working principle of Figure 4 is as follows: C3 is charged by the intelligent micro-control central processor I/O_2 port through the precision resistor R5, and the charging time of the precision resistor R5 is known when IO_1 detects the high level. Then, C3 is charged by I/0_3 through the thermistor R6, and when the IO_1 detects a high level, the charging time of the thermistor R6 is known. The resistance value of the thermistor R6 can be calculated, and the real-time temperature of the heating wire can be known from the thermistor scale.
  • a massage device as shown in Figure 5, comprising:
  • a detecting circuit 51 configured to detect a real-time temperature of the heating wire through the thermistor detecting circuit
  • the temperature control circuit 52 is configured to adjust the temperature of the heating wire by gradually decreasing the duty ratio of the pulse when the difference between the real-time temperature and the constant temperature is less than the temperature threshold.
  • the massage device provided by the invention detects the temperature of the heating wire through the thermistor detecting circuit, and adopts the approaching heating method to realize the hot coating by the detected temperature, and the technical solution provided by the invention can directly detect the temperature of the heating wire, and When the difference between the real-time temperature and the constant temperature is less than the temperature threshold, the temperature of the heating wire is adjusted by gradually decreasing the duty ratio of the pulse, so that the temperature rise is relatively gentle, so that it has the advantage that the temperature rises gently.
  • the temperature circuit 52 is specifically configured to: when the difference between the real-time temperature and the constant temperature is less than a temperature threshold, linearly reduce the duty ratio of the pulse to adjust the temperature of the heating wire;
  • the duty ratio of the pulse is reduced in a stepwise manner to adjust the temperature of the heating wire.
  • the specific structure of the detecting circuit 51 is as shown in FIG. 6, and includes: a thermistor R3, a resistor R4, a capacitor C1, and a voltage stabilizing source VCC, wherein VCC is connected to the A terminal of R4 through R3, and the A terminal of R4. It is also connected to an I/O port of the massage device CPU.
  • the B end of the R4 is connected to another I/O port of the massage device CPU, and the A end of the R4 is also grounded through C1, wherein the other I/O port is equivalent to the province.
  • the electric control I/O port is output low level during normal operation. When the shutdown function is not used, the other I/O port outputs a high level. At this time, VCC and another I/O port output. The potential between the high level is zero, so there is no current between R3 and R4, so it can achieve zero power consumption, thus achieving green power saving function.

Abstract

一种按摩器材的热敷装置的恒温控制方法及按摩器材。所述方法包括：通过热敏电阻检测电路检测发热丝的实时温度（S21）；当所述实时温度与恒温温度之差小于温度阈值时，采用逐渐减小脉冲的占空比的方式来调整该发热丝的温度（S22）。所述按摩器材包括：检测电路（51），用于通过热敏电阻检测电路检测发热丝的实时温度；温控电路（52），用于当实时温度与恒温温度之差小于温度阈值时，采用逐渐减小脉冲的占空比的方式来调整该发热丝的温度。所述本发明提供的技术方案具有能够达到恒定温度，考虑环境温度影响，温度平缓上升的优点。

Description

按摩器材的热敷装置的恒温控制方法及按摩器 技术领域
本发明属于电子领域，尤其涉及一种按摩器材的热敷装置的恒温控制技术。
 背景技术
随着电子设备的发展，按摩器材的功能越来越多，热敷功能是按摩器材的主要功能，现有的热敷功能的驱动原理图如图1所示，其通过控制发热丝的加热时间来达到恒温的效果，其具体的实现方法为，发热丝加热10秒钟，关闭2秒钟，然后在加热10秒钟，关闭2秒钟。
在实现现有技术的过程中，发现现有技术存在如下问题：
现有技术提供的热敷恒温控制方法没有考虑到环境温度的干扰，例如在哈尔滨和在深圳的环境温度相差很大，其实际做不到恒温的控制，另外，现有的恒温的加热也都是通过估算时间的方式来进行恒温控制的，发热丝的实际温度是不知道的，也更本无法达到恒温的要求。
 技术问题
本发明实施例的目的在于提供一种按摩器材的热敷装置的恒温控制方法，旨在解决现有的技术方案无法达到恒定温度，不考虑环境温度影响的问题。
 技术解决方案
本发明实施例是这样实现的，一种按摩器材的热敷装置的恒温控制方法，所述方法包括：
通过热敏电阻检测电路检测发热丝的实时温度；
当所述实时温度与恒温温度之差小于温度阈值时，采用逐渐减小脉冲的占空比的方式来调整该发热丝的温度。
另一方面，本发明还提供一种按摩器材，所述按摩器材包括：
检测电路，用于通过热敏电阻检测电路检测发热丝的实时温度；
温控电路，用于当实时温度与恒温温度之差小于温度阈值时，采用逐渐减小脉冲的占空比的方式来调整该发热丝的温度。
 有益效果
在本发明实施例中，本发明提供的技术方案通过热敏电阻检测电路检测该发热丝的温度，通过该检测出的温度采用逼近式加热方式来实现热敷，由于本发明提供的技术方案能够直接检测发热丝的温度，并通过检测温度来调整的脉冲的占空比以达到恒温的目的，所以其具有能够达到恒定温度，考虑环境温度影响，温度平缓上升的优点。
 附图说明
图1是现有技术提供的热敷功能的驱动原理图；
图2是本发明具体实施方式提供的一种按摩器材的热敷装置的恒温控制方法的流程图；
图3是现有技术提供的热敏电阻检测电路示意图；
图4是现有技术提供的另一种热敏电阻检测电路示意图；
图5是本发明具体实施方式提供的按摩器材的结构图；
图6是本发明具体实施方式提供的检测电路的结构图。
 本发明的实施方式
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
本发明的实施例是基于如下场景提出的，现有技术是通过CPU的I/0口输出变频脉冲，通过脉冲波形的变化，经过三极管放大，驱动，根据控制脉冲的时间来控制发热丝的加热时间以达到恒温控制的目的，另外，其脉冲的占空比是恒定的，这样导致电热丝的加热幅度是相同的，这样在恒定温度加热时温度的波动范围过大。
本发明提供的一种按摩器材的热敷装置的恒温控制方法，该方法如图2所示，包括：
S21、通过热敏电阻检测电路检测发热丝的实时温度；
S22、当实时温度与恒温温度之差小于温度阈值时，采用逐渐减小脉冲的占空比的方式来调整该发热丝的温度。
本发明提供的技术方案通过热敏电阻检测电路检测该发热丝的温度，在检测时，只需将热敏电阻安装在电热丝的周围即能够检测该电热丝的温度，通过该检测出的温度采用逼近式加热方式来实现热敷，由于本发明提供的技术方案能够直接检测发热丝的温度，并在实时温度与恒温温度之差小于温度阈值小于温度阈值时，采用逐渐减小脉冲的占空比的方式调整该发热丝的温度，所以其温度上升比较平缓，所以其具有温度平缓上升的优点。
可选的，上述S22的实现方法具体可以为：
采用线性方式减小脉冲的占空比来调整该发热丝的温度；
或采用步进方式减小脉冲的占空比来调整该发热丝的温度。
其中线性方式减小脉冲的占空比具体可以为：占空比=K*实时温度与恒温温度之差；其中K为经验系数，由于上述温度差值越来越小，所以其占空比也越来越小，所以其温度调整的幅度越来越小，所以其热敷装置的温度上升缓慢，并且能够准确的达到恒定温度。
采用步进方式减小脉冲占空比具体可以为：设定多个温度差值所对应的占空比，例如2度时占空比为30%，1度时为25%。0.5度时时20%等。其中，上述数值仅仅为了举例说明，本发明具体实施方式并不局限上述具体的数值。
需要说明的是，上述热敏电阻检测电路可以采用现有技术的热敏电阻检测电路，该电路如图3和图4所示，如图3的工作原理如下：智能微控中央处理器专用AD口检测R4上的电压，检测到的电压根据R4的阻值就可以计算出热敏电阻R3的阻值，由热敏电阻法度表就可得知发热丝的实时温度，其中C1起到稳定信号的作用，以保证检测到精密的数值。如图4的工作原理如下：由智能微控中央处理器I/O_2口通过精密电阻R5对C3进行充电，当IO_1检测到高电平得知精密电阻R5的充电时间。再由I/0_3通过热敏电阻R6对C3进行充电，当IO_1检测到高电平得知热敏电阻R6的充电时间。就可以计算出热敏电阻R6的阻值，由热敏电阻法度表就可得知发热丝的实时温度。
一种按摩器材，该按摩器材如图5所示，包括：
检测电路51，用于通过热敏电阻检测电路检测发热丝的实时温度；
温控电路52，用于当实时温度与恒温温度之差小于温度阈值时，采用逐渐减小脉冲的占空比的方式来调整该发热丝的温度。
本发明提供的按摩器材通过热敏电阻检测电路检测该发热丝的温度，通过该检测出的温度采用逼近式加热方式来实现热敷，由于本发明提供的技术方案能够直接检测发热丝的温度，并在实时温度与恒温温度之差小于温度阈值小于温度阈值时，采用逐渐减小脉冲的占空比的方式调整该发热丝的温度，所以其温度上升比较平缓，所以其具有温度平缓上升的优点。
可选的，上述温度电路52具体用于，当实时温度与恒温温度之差小于温度阈值时，采用线性方式减小脉冲的占空比来调整该发热丝的温度；
或当实时温度与恒温温度之差小于温度阈值时，采用步进方式减小脉冲的占空比来调整该发热丝的温度。
可选的，上述检测电路51的具体结构如图6所示，包括：热敏电阻R3、电阻R4、电容C1和稳压源VCC，其中VCC通过R3与R4的A端连接，R4的A端还与按摩器材CPU的一个I/O口连接，R4的B端与按摩器材CPU的另一I/O口连接，R4的A端还通过C1接地，其中，另一I/O口相当于省电控制I/O口，在正常工作为输出低电平，当关机不使用恒温功能的时候，相应另一I/O口就输出高电平，此时VCC与另一I/O口就输出高电平之间的电势为零，所以R3、R4之间不会有电流，所以其能够达到零功耗，从而做到绿色省电功能。
本领域技术人员可以理解，本发明实施例提供的非线性容限的补偿方法中，其全部或部分步骤是可以通过程序指令相关的硬件来完成。比如可以通过计算机运行程来完成。该程序可以存储在可读取存储介质，例如，随机存储器、磁盘、光盘等。
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。

Claims (5)

  1. 一种按摩器材的热敷装置的恒温控制方法，其特征在于，所述方法包括：
    通过热敏电阻检测电路检测发热丝的实时温度；
    当所述实时温度与恒温温度之差小于温度阈值时，采用逐渐减小脉冲的占空比的方式来调整该发热丝的温度。
  2. 根据权利要求1所述的方法，其特征在于，所述采用逐渐减小脉冲的占空比的方式来调整该发热丝的温度具体包括：
    采用线性方式减小脉冲的占空比来调整该发热丝的温度；
    或采用步进方式减小脉冲的占空比来调整该发热丝的温度。
  3. 一种按摩器材，其特征在于，所述按摩器材包括：
    检测电路，用于通过热敏电阻检测电路检测发热丝的实时温度；
    温控电路，用于当实时温度与恒温温度之差小于温度阈值时，采用逐渐减小脉冲的占空比的方式来调整该发热丝的温度。
  4. 根据权利要求3所述的按摩器材，其特征在于，所述温度电路具体用于，当实时温度与恒温温度之差小于温度阈值时，采用线性方式减小脉冲的占空比来调整该发热丝的温度；
    或当实时温度与恒温温度之差小于温度阈值时，采用步进方式减小脉冲的占空比来调整该发热丝的温度。
  5. 根据权利要求3或4所述的按摩器材，其特征在于，所述检测电路具体包括：
    热敏电阻R3、电阻R4、电容C1和稳压源VCC，其中VCC通过R3与R4的A端连接，R4的A端还与所述按摩器材的CPU的一个I/O口连接，R4的B端与所述CPU的另一I/O口连接，R4的A端还通过C1接地。
PCT/CN2012/082161 2012-05-31 2012-09-27 按摩器材的热敷装置的恒温控制方法及按摩器材 WO2013177877A1 (zh)

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CN109143889A (zh) * 2018-08-14 2019-01-04 滁州国康医疗仪器有限公司 获取电热垫脉冲加电的脉冲占空比实验方法

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CN103100148A (zh) * 2013-02-20 2013-05-15 李民主 一种医疗用热谱仪及温度控制方法
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