CN206548675U - It is a kind of to improve three region heated type physical therapy devices of microcirculation - Google Patents

Abstract

Improve three region heated type physical therapy devices of microcirculation the utility model discloses a kind of, the device is made up of controller and heating physiotherapy blanket, heating layer suture of the described heating physiotherapy blanket between the bed of material above, the following bed of material and the bed of material located in the above and the following bed of material is constituted, heating physiotherapy blanket is divided into back, waist and the heating zone of leg three by head to the pin of human body, coiling is distributed with a root surface and has the nickel filament of insulating barrier back and forth in each heating zone, and the nickel filament is concatenating a thermoswitch close to the position of its two ends；Temperature sensor is provided with each heating zone in the gap of the nickel filament of coiling；The controller includes three groups of time constant-temperature heating control circuits, and every group of circuit includes a PWM heat drivens circuit, constant temperature control circuit and a timing control circuit.Heating region not only may be selected in the device, and simple in construction, and security is good.

Description

It is a kind of to improve three region heated type physical therapy devices of microcirculation

Technical field

The utility model is related to a kind of physical therapy device for human body therapy processing, and in particular to one kind improves microcirculation Physical therapy device.

Background technology

Microcirculation, refers to the blood circulation between arteriole and venule, is that blood carries out mass exchange with histocyte Place.

The basic function of microcirculation is to carry out the mass exchange between blood and tissue fluid.Under normal circumstances, microcirculation The metaboilic level of CBF and histoorgan is adapted, it is ensured that the blood perfusion amount of each histoorgan simultaneously adjusts returned blood volume.Such as Obstacle occurs for fruit microcirculation, it will directly affect the physiological function of each organ.

Thermotherapy, which has, to be promoted and improves blood circulation of human body, enhancing metabolism, improves immunocompetence, and with disappearing It is scorching, the effects such as subside a swelling, ease pain, reducing blood pressure, therefore be used as physical therapy device to turn into the focus of research using physical-therapy electric heating blanket.

The physical-therapy electric heating blanket of early stage is made up of fabric up and down and the resistance wire above and below being coiled between fabric, and its heat is uniform Property is not good enough.The problem of currently a popular carbon fiber sheet far infrared physical therapy electric blanket preferably solves thermal uniformity, and Far infrared can be produced.

Authorization Notice No. discloses a kind of elastic carbon fiber infrared for CN 205339865U utility application Electro-heat equipment, the device includes carbon fiber heating blanket 1, controller 2 and 24V safety power supplies 3, wherein described carbon fiber heating blanket The 1 carbon fiber heating layer 6 including the inner surface elastic surface bed of material 4, the outer surface elastic surface bed of material 5 and centre is (attached referring to its specification Fig. 1 and 2).Although above-mentioned infrared heating device " makes human body surface heat up, while the electro-heat equipment using carbon fiber heating technology With good elasticity, be easy to cover the position of human body heating, make covering part thermally equivalent ", still, also exist it is following not Foot：1st, it can be seen from prior art, nano carbon fiber heating cloth is (equivalent to electricity by wire (such as copper wire), carbon fiber filament Resistance silk) and common yarn (such as polyester thread) blending (Huang Xiaomei, Ji Tao, the Yu Jin, the design of carbon fiber electric heating electrothermal cloth that are made With exploitation [J], fabrics for industrial use, the 6th the 13-16 pages of phase in 2009) thus the precoat that is contacted with exposure of person must be Insulation, its heat conduction efficiency is generally also relatively poor；Although for the 2, the carbon fiber heating blanket is using described controller Constant temperature degree, but be due to nano carbon fiber heating cloth latitude and longitude it is crisscross, then can not use temperature detect switch (TDS) (such as semiconductor heat Quick switch) ensure being perfectly safe for physiotherapy person；3rd, the carbon fiber heating layer in the carbon fiber heating blanket is overall, it is impossible to root Need the position of physiotherapy to carry out selection heating region according to everyone, not only waste electric energy, and to not needing the position of physiotherapy Prolonged and repeated heating can produce side effect；4th, because the thermotherapy temperature of different syndromes and time are different, therefore without heating temperature Degree and the control device of time, it is difficult to preferable curative effect is obtained, and using also inconvenient.

The content of the invention

In view of the deficiency of prior art, the utility model provides a kind of three region heated type physiotherapys for improving microcirculation and filled Put, heating region not only may be selected in the device, and security is good.

The technical scheme that the utility model solves the above problems is as follows：

A kind of to improve three region heated type physical therapy devices of microcirculation, the device is made up of controller and heating physiotherapy blanket, Characterized in that,

Heating of the described heating physiotherapy blanket between the bed of material above, the following bed of material and the bed of material located in the above and the following bed of material Layer suture is constituted, wherein described heating layer includes the carbon nano-fiber cloth adjacent with the bed of material above and adjacent with the following bed of material Woven dacron, gap between described carbon nano-fiber cloth and woven dacron from the head of human body to pin be divided into back, waist and Coiling is distributed with a root surface and has the nickel filament of insulating barrier back and forth in the heating zone of leg three, each heating zone, the nickel chromium triangle Silk is concatenating a thermoswitch close to the position of its two ends；Set in each heating zone in the gap of the nickel filament of coiling There is temperature sensor；

Described controller includes three groups of time constant-temperature heating control circuits, and every group of circuit is by including a PWM heat drivens Circuit, constant temperature control circuit and timing control circuit composition, wherein,

The PWM heat drivens circuit is that the PWM square waves being made up of TC647B special chips and peripheral circuit export electricity Road, its output end connects the nickel filament of corresponding heating zone by electronic power switch；

The constant temperature control circuit includes temperature reference circuit and the voltage follower circuit, the differential amplifier circuit that are sequentially connected And filter circuit, wherein, temperature reference circuit includes the trimmable resistance bleeder circuit and voltage follower being sequentially connected, described The input of voltage follower circuit is connected with the temperature sensor in corresponding heating zone, and the output end of filter circuit is connected to described The input end of analog signal of PWM heat driven circuits；

The timing control circuit is made up of a DL8919 timing control chips and its peripheral circuit, and its output end passes through electricity Power supply is connected by sub switch with the nickel filament of corresponding heating zone.

A kind of operation principle of three region heated type physical therapy devices for improving microcirculation described in the utility model is as follows：

Trimmable resistance partial pressure in the constant temperature control circuit of the device upon power-up by adjusting each heating zone respectively Circuit can set back, the heating-up temperature of three heating zones of waist and leg, while user is realized by triggering timing circuit Timing heated, temperature sensor gathers the temperature of each heating zone and is converted into analog electrical signal with setting temperature to carry out differential amplification The output pulse width of output control PWM heat drivens circuit afterwards so that the heating-up temperature of heating zone reaches design temperature and protected Hold constant, after timing reaches setting time, timing control chip is control electronic switch shut-off, closes heating physiotherapy.

Compared with prior art, three region heated type physical therapy devices of the improvement microcirculation are by setting three groups of time constant-temperatures Heating control circuit, independently can carry out heating and temperature control and timing controlled to back, waist and the heating zone of leg three, and Circuit structure is simply compact；And independent of program can accurately, freely design temperature；Such as occur temperature drift, may be used also Manually adjust, so that people feel comfortably cool and safety in physiotherapy.In addition, heating physical therapy device described in the utility model exists A thermoswitch is concatenated respectively close to the position of the nickel filament two ends, can be further ensured that the safety of physiotherapy person.

Brief description of the drawings

Fig. 1~3 are the structural representation of heating physiotherapy blanket in three regions heated type physical therapy device described in the utility model, its In, Fig. 1 is front view, and Fig. 2 is top view (along the mid section of the heating layer), and Fig. 3 is put for the structure of Fig. 1 partial cross-sections Big figure.

Fig. 4 is the circuit structure block diagram of controller in three regions heated type physical therapy device described in the utility model.

Fig. 5 is one group of time constant-temperature computer heating control in the controller of three regions heated type physical therapy device described in the utility model The electrical schematic diagram of circuit, wherein, (a) figure is PWM heat driven circuits, and (b) figure is constant temperature control circuit, and (c) figure is timing control Circuit processed.

Embodiment

The utility model is illustrated below in conjunction with the accompanying drawings.

Three regions heated type physical therapy device described in the utility model is made up of controller and heating physiotherapy blanket.

Referring to Fig. 1~3, described heating physiotherapy blanket by the bed of material 1 above, the following bed of material 2 and the bed of material located in the above 1 with it is following The suture of heating layer 3 between the bed of material 2 is constituted, wherein described heating layer 3 includes the carbon nano-fiber cloth adjacent with the bed of material 1 above The 3-1 and woven dacron 3-2 adjacent with the following bed of material 2, the gap between described carbon nano-fiber cloth 3-1 and woven dacron 3-2 is certainly The head of human body to pin is divided into back heating zone A, waist heating area B and leg heating zone C, each heating zone disk back and forth Around a root surface is distributed with there is the nickel filament 3-3 of insulating barrier, nickel filament 3-3 to concatenate one close to the position of its two ends Thermoswitch 3-4, the thermoswitch is 85 DEG C of switching mode semiconductor thermistors；In the nickel filament of coiling in each heating zone A model LM35 temperature sensors of high precision 3-5 produced by American TI Company is provided with 3-3 gap.

Referring to Fig. 4, the controller includes three groups of time constant-temperature heating control circuits, every group of time constant-temperature computer heating control electricity The circuit composition on road is as shown in figure 5, the circuit is by a PWM heat drivens circuit, constant temperature control circuit and timing controlled electricity Road is constituted.

Such as Fig. 5 a) shown in, the PWM heat drivens circuit is the TC647B blower fans produced by MicroChip companies of the U.S. Control special chip U101 and its peripheral circuit composition a PWM square wave output circuits, the circuit can according to input 1.2V~ The 2.6V analog voltages PWM square waves that linearly output duty cycle is 0%~100%, so that for passing through power electronic switching Q101 controls the heating power of nickel filament 3-3 shown in the nickel filament RTL101, i.e. Fig. 2 and Fig. 3 of corresponding heating zone.

Such as Fig. 5 b) shown in, the constant temperature control circuit include temperature reference circuit and the voltage follower circuit being sequentially connected, Differential amplifier circuit and filter circuit, wherein, the filter circuit is RC filter circuits, electric the routing resistance R109 and electric capacity C105 is constituted；Described temperature reference circuit includes a trimmable resistance bleeder circuit and a voltage follower, the voltage follow The integrated operational amplifier U102B for the model LM324 that device is produced by National Semiconductor is constituted；The trimmable resistance Bleeder circuit is composed in series by resistance R111~R113, and wherein adjustable resistance R112 centre tap connects a voltage follower Input；The integrated operational amplifier for the model LM324 that the voltage follower circuit is produced by National Semiconductor U102C is constituted, and its input connects the model LM35 of American TI Company production temperature sensors of high precision U103, should Sensor is the temperature sensors of high precision 3-5 shown in Fig. 2 and Fig. 3；The differential amplifier circuit is public by National Semiconductor The integrated operational amplifier U102D and its peripheral circuit for taking charge of the model LM324 of production are constituted, and its output end is filtered through described RC Wave circuit is connected to the analog voltage input of the PWM heat drivens circuit；

Such as Fig. 5 c) shown in, the timing control circuit reaches the model that Electronic Science and Technology Co., Ltd. produces by the brilliant peak in Shenzhen DL8919 timing control chips U104 and its peripheral circuit are constituted, and timing control circuit is equipped with a timing trigger switch S101, Meanwhile, the circuit sets the heat time by adjustable resistance RV1, and the control end of the timing control circuit is through an electronic switch Q102 Control the nickel filament 3-3 of each heating zone and the break-make of+24V power supplies.

Referring to Fig. 1~Fig. 5, after three region heated type physical therapy devices are powered, user can set one by adjustable resistance R112 The heating-up temperature of heating zone, meanwhile, the heat time is set by adjustable resistance RV1, switch triggering switch S101 is pressed, that is, starts Timing physiotherapy is heated, and user can adjust adjustable resistance R112 as needed in physiotherapy heating process, so as to change heating zone Heating-up temperature, when heating-up temperature reaches design temperature, PWM heat drivens circuit reduction output pulse width, so as to keep permanent Temperature, if temperature is too high, the thermoswitch 3-4 of heating zone concatenation disconnects automatically, is scalded so as to ensure that heating position is unlikely.Reach reason Treat after the heat time, the timing control circuit of heating zone is that control electronic switch Q102 disconnects, so as to stop heating.

If, can be by the temperature sensors of high precision of heating zone in manufacture or before use, to ensure temperature controlled accuracy U103 is placed in normal temperature environment, by the amplification coefficient for adjusting adjustable resistance R112 and differential amplifier circuit so that constant temperature The PWM pulsewidths output duty cycle for controlling circuit is 0%, so as to complete calibration.

, can be as needed respectively to back heating zone due to by the way of three region heated type physical therapy device independent controls A, waist heating area B and tri- heating zones of leg heating zone C carry out heating and temperature control and timing controlled, and device circuit structure It is simple compact, it is easy to use, comfortably with safety.

Claims (1)

1. a kind of improve three region heated type physical therapy devices of microcirculation, the device is made up of controller and heating physiotherapy blanket, its It is characterised by,

Heating layer seam of the described heating physiotherapy blanket between the bed of material above, the following bed of material and the bed of material located in the above and the following bed of material Close and constitute, wherein described heating layer includes the carbon nano-fiber cloth adjacent with the bed of material above and the terylene adjacent with the following bed of material Cloth, the gap between described carbon nano-fiber cloth and woven dacron is divided into back, waist and leg from the head of human body to pin Coiling is distributed with a root surface and has the nickel filament of insulating barrier back and forth in three heating zones, each heating zone, and the nickel filament exists A thermoswitch is concatenated close to the position of its two ends；Provided with temperature in the gap of the nickel filament of coiling in each heating zone Spend sensor；

Described controller includes three groups of time constant-temperature heating control circuits, every group of circuit by including a PWM heat drivens circuit, Constant temperature control circuit and timing control circuit composition, wherein,

The PWM heat drivens circuit is the PWM square wave output circuits being made up of TC647B special chips and peripheral circuit, its Output end connects the nickel filament of corresponding heating zone by electronic power switch；

The constant temperature control circuit includes temperature reference circuit and the voltage follower circuit, differential amplifier circuit and the filter that are sequentially connected Wave circuit, wherein, temperature reference circuit includes the trimmable resistance bleeder circuit and voltage follower being sequentially connected, the voltage The input of circuit is followed to be connected with the temperature sensor in corresponding heating zone, the output end of filter circuit is connected to the PWM The input end of analog signal of heat driven circuit；

The timing control circuit is made up of a DL8919 timing control chips and its peripheral circuit, and its output end passes through electronic cutting Power supply is connected by pass with the nickel filament of corresponding heating zone.