CN108567522B - Hot plaster type therapeutic instrument - Google Patents
Hot plaster type therapeutic instrument Download PDFInfo
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- CN108567522B CN108567522B CN201710132676.XA CN201710132676A CN108567522B CN 108567522 B CN108567522 B CN 108567522B CN 201710132676 A CN201710132676 A CN 201710132676A CN 108567522 B CN108567522 B CN 108567522B
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- 230000001225 therapeutic effect Effects 0.000 title claims abstract description 48
- 239000011505 plaster Substances 0.000 title description 3
- 238000010438 heat treatment Methods 0.000 claims abstract description 79
- 238000013021 overheating Methods 0.000 claims abstract description 23
- 230000000087 stabilizing effect Effects 0.000 claims description 55
- 239000003990 capacitor Substances 0.000 claims description 49
- 238000001514 detection method Methods 0.000 claims description 22
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 18
- 230000008878 coupling Effects 0.000 claims description 15
- 238000010168 coupling process Methods 0.000 claims description 15
- 238000005859 coupling reaction Methods 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 15
- 238000002955 isolation Methods 0.000 claims description 15
- 230000007246 mechanism Effects 0.000 claims description 12
- 230000001681 protective effect Effects 0.000 claims description 10
- 230000002457 bidirectional effect Effects 0.000 claims description 8
- 210000000078 claw Anatomy 0.000 claims description 7
- 230000009467 reduction Effects 0.000 claims description 7
- 230000006641 stabilisation Effects 0.000 claims description 6
- 238000011105 stabilization Methods 0.000 claims description 6
- 229910052709 silver Inorganic materials 0.000 claims description 4
- 239000004332 silver Substances 0.000 claims description 4
- 238000002560 therapeutic procedure Methods 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000001363 autoimmune Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004089 microcirculation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000554 physical therapy Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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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
-
- 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
- A61F7/007—Heating or cooling appliances for medical or therapeutic treatment of the human body characterised by electric heating
- A61F2007/0077—Details of power supply
-
- 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
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Electrotherapy Devices (AREA)
Abstract
The invention provides a thermal patch type therapeutic apparatus, comprising: a therapeutic zone; the main control machine is electrically connected with the therapeutic belt; the therapeutic belt comprises: heating the core; a resistance wire; a circuit board; the insulating conduit is electrically connected with the first connecting cap; the overheating protection switch is arranged on the circuit board; a temperature sensor disposed on the circuit board to detect a temperature within the heating core; the plug is connected with four wires; the main control computer includes the casing and sets up the main control circuit in the casing, and main control circuit includes: the main control board is arranged in the shell; a heating control circuit; and the power supply circuit is arranged outside the treatment band, and the main control board and the heating control circuit are both connected with the power supply circuit. The invention has the beneficial effects that: the resistance wire of the therapeutic belt stops working when the temperature of the therapeutic belt exceeds 56 ℃, the layout of the electric elements in the therapeutic belt is realized, and the mutual interference of the electric elements in the therapeutic belt is avoided.
Description
Technical Field
The invention relates to a therapeutic apparatus, in particular to a thermal patch type therapeutic apparatus.
Background
The hot plaster type therapeutic instrument is a high-efficiency, safe and simple physiotherapy type medical instrument. The therapeutic apparatus comprises a control circuit and a therapeutic belt, wherein a resistance wire is integrated in the therapeutic belt, and the resistance wire generates heat under the control of the control circuit. When the therapeutic band is heated, the oscillating signals generated by various specific electromagnetic wave trace elements on the therapeutic band enter the human body along with infrared rays and resonate with corresponding elements of the body, so that the activity of atomic groups and molecular groups where the elements are located is greatly improved, the activity of various enzymes in the body is activated, the absorption of the body to the lack elements is enhanced, the relative balance of the elements in the body is adjusted, the increase of free radicals in the body is inhibited, microcirculation channels and the like are repaired, the autoimmune function and the antibacterial capacity of the human body are improved, and the therapeutic effect is achieved. Although the active control under the control circuit is used for the temperature of the resistance wire in the prior art, the disadvantages of the prior art thermal patch type therapeutic apparatus are as follows:
1) because of the influence of external factors such as a heat dissipation environment and the like, the temperature of the therapeutic belt after the resistance wire is dissipated is not necessarily the temperature controlled by the control circuit and is possibly more than the highest temperature 56 ℃ which can be borne by a human body, so that the danger of scalding patients exists;
2) because only the resistance wires in the treatment band in the prior art are electric elements, the electric elements in the treatment band are not laid out, and only the arrangement of the resistance wires is set.
Disclosure of Invention
The invention provides a thermal patch type therapeutic apparatus, which realizes that the resistance wire of a therapeutic belt stops working when the temperature of the therapeutic belt exceeds 56 ℃, realizes the layout of electric elements in the therapeutic belt, and avoids the mutual interference of the electric elements in the therapeutic belt.
In order to achieve the purpose, the invention adopts the following technical scheme:
a thermal patch therapy device comprising:
a therapeutic zone; and
the main control machine is electrically connected with the therapeutic belt;
specifically, the therapeutic belt includes:
the heating core is sleeved with an outer sleeve which is used for contacting with the outside;
the resistance wire is arranged in the heating core;
the circuit board is arranged in the heating core, the surface of the circuit board, which is not provided with the circuit, is contacted with the resistance wire, and the circuit board is provided with a first connecting cap for grounding, a second connecting cap for connecting a heating high-voltage end, a third connecting cap for connecting a heating low-voltage end and a fourth connecting cap for outputting a temperature value outwards;
the insulating conduit is arranged on the heating core and is electrically connected with the first connecting cap;
the overheating protection switch is arranged on the circuit board, one end of the resistance wire is connected with the second connecting cap, the other end of the resistance wire is connected with the third connecting cap through the overheating protection switch, and the overheating protection switch can be automatically disconnected when the ambient temperature is higher than 56 ℃;
the temperature sensor is arranged on the circuit board to detect the temperature in the heating core, and the output end of the temperature sensor is connected with the fourth connecting cap; and
the plug is connected with four electric wires, the four electric wires penetrate through the outer sleeve and the heating core, and the four electric wires are respectively connected with the first connecting cap, the second connecting cap, the third connecting cap and the fourth connecting cap;
the main control computer includes the casing and sets up the main control circuit in the casing, and main control circuit includes:
the main control board is arranged in the shell;
the heating control circuit is arranged in the shell, the input end of the heating control circuit is connected with the output end of the main control board, the control end of the overheating protection switch is connected with the output end of the heating control circuit, and the heating control circuit can control the overheating protection switch to be switched on and switched off; and
the power supply circuit is arranged outside the treatment belt, the main control board and the heating control circuit are both connected with the power supply circuit, one end of a resistance wire of the treatment belt is connected with a heating high-voltage end of the power supply circuit, the other end of the resistance wire is connected with a first contact of the overheating protection switch, and a second contact of the overheating protection switch is communicated with a heating low-voltage end of the power supply circuit under the control of the heating control circuit.
Preferably, the first connecting cap, the second connecting cap, the third connecting cap and the fourth connecting cap comprise connecting columns made of conductive materials, the connecting columns are used for connecting four wires of the plug, an isolation protection mechanism is arranged outside the connecting columns, the isolation protection mechanism can clamp the wire connectors and the connecting columns after the wire connectors are connected with the connecting columns, and a distance can be reserved between the isolation protection mechanism and the connecting columns.
Preferably, the isolation protection mechanism includes:
the rotating shaft is arranged beside the connecting column;
the two protection claws comprise protection bodies and installation bodies, the protection bodies and the installation bodies are integrally formed, the protection claws are made of insulating materials, the protection bodies are of arc structures, the two protection bodies can surround the connecting column after being closed, the two installation bodies are rotatably connected with the rotating shaft, and the two installation bodies are in a cross shape;
the torsional spring is arranged between the end parts of the two mounting bodies far away from the protecting bodies, and the two protecting bodies can be closed under the action of the torsional spring; and
the rubber ring is arranged on the end part of the mounting body far away from the protective body.
Preferably, all be provided with detection circuitry on first connection cap, second connection cap, third connection cap and the fourth connection cap, detection circuitry includes: four detection silver wires, every detection silver wire all sets up on the periphery of place spliced pole, silver wire and terminal mutual isolation, every silver wire all is parallel with the central line of spliced pole, the distance is equal between every two adjacent silver wires, every silver wire center all is provided with the breakpoint, four silver wire one end all are connected with the third resistance, four silver wire other ends connect into the silver wire extreme point, the silver wire extreme point passes through display diode and is connected with detection power supply, the third resistance passes through third key switch ground connection, third resistance and detection diode all set up on the circuit board.
Preferably, the temperature stabilizing circuit further comprises a temperature stabilizing circuit, the temperature stabilizing circuit comprises a third resistor and a first common capacitor to detect the temperature in the treatment band, the output end of the temperature sensor is connected with the input end of the main control board through the third resistor, the anode of the first common capacitor is connected to the node of the third resistor and the main control board, and the cathode of the first common capacitor is grounded.
Preferably, the heating control circuit includes photoelectric coupling switch, the bidirectional thyristor, first resistance and second resistance, photoelectric coupling switch's photodiode's positive pole connects power supply circuit's 5V end, photoelectric coupling switch's photodiode's negative pole passes through the output of first resistance connection main control board, photoelectric coupling switch's light sense element's positive output passes through second resistance connection power supply circuit's heating low voltage end, photoelectric coupling switch's light sense element's negative pole output connects the control end of bidirectional thyristor, the first electrode of bidirectional thyristor connects overheat protection switch, bidirectional thyristor's second electrode intercommunication power supply circuit's heating low voltage end.
Preferably, the temperature detection circuit comprises a temperature sensor, a third resistor and a first common capacitor, the temperature sensor is arranged in the treatment band to detect the temperature in the treatment band, the output end of the temperature sensor is connected with the input end of the main control board through the third resistor, the anode of the first common capacitor is connected to the node of the third resistor and the main control board, and the cathode of the first common capacitor is grounded.
Preferably, the power supply circuit includes a voltage step-down circuit and a voltage stabilizing circuit;
the step-down circuit includes: the power supply comprises a power supply plug, a power supply switch, a fuse and a power supply transformer, wherein the power supply plug is used for connecting commercial power, the positive electrode of the power supply plug is connected to the positive input end of the power supply transformer through the power supply switch and the fuse, the negative electrode of the power supply plug is connected to the negative input end of the power supply transformer, the power supply transformer can simultaneously transform the commercial power into a 17V power supply and an 8V power supply, the positive electrode output end of the 17V power supply of the power supply transformer is the heating high-voltage end of a power supply circuit, and the negative electrode output end of the 17V power supply of the;
the voltage stabilizing circuit includes: a first voltage stabilizing diode, a second voltage stabilizing diode, a third voltage stabilizing diode, a fourth voltage stabilizing diode, a first electrolytic capacitor, a second common capacitor, a second electrolytic capacitor, a third common capacitor and a voltage-reducing and voltage-stabilizing chip, wherein the anode of the first voltage stabilizing diode is connected with the positive output end of the 8V power supply of the power transformer, the cathode of the first voltage stabilizing diode is connected with the input end of the voltage-reducing and voltage-stabilizing chip, the cathode of the second voltage stabilizing diode is connected with the input end of the voltage-reducing and voltage-stabilizing chip, the anode of the second voltage stabilizing diode is connected with the negative output end of the 8V power supply of the power transformer, the cathode of the third voltage stabilizing diode is connected with the anode of the first voltage stabilizing diode, the anode of the third voltage stabilizing diode is connected with the grounding end of the voltage-reducing and voltage-stabilizing chip, the cathode of the fourth voltage stabilizing diode is connected with the anode of the second voltage stabilizing diode, the anode of the fourth voltage stabilizing diode is, the negative pole of the first electrolytic capacitor, the negative pole of the second common capacitor, the negative pole of the second electrolytic capacitor, the negative pole of the third common capacitor and the grounding end of the voltage reduction and voltage stabilization chip are all grounded, the positive pole of the first electrolytic capacitor and the positive pole of the second common capacitor are both connected to the input end of the voltage reduction and voltage stabilization chip, and the positive pole of the second electrolytic capacitor and the positive pole of the third common capacitor are both connected to the output end of the voltage reduction and voltage stabilization chip.
Compared with the prior art, the invention has the following beneficial effects:
1) the overheating protection switch is arranged in the therapeutic belt, so that a circuit connected with the resistance wire can be closed when the temperature of the therapeutic belt reaches above 56 ℃, the temperature is prevented from being increased again, and the skin of a user is prevented from being scalded due to overhigh temperature of the therapeutic belt;
2) by arranging the heating control circuit, the circuit where the resistance wire is located is more sensitively controlled to be switched on and off under the control of the main control board, so that the heating reaction of the resistance wire is more sensitive;
3) through the structure of the treatment belt, not only is the heat transfer after the resistance wire generates heat realized, but also the arrangement of the electric elements in the treatment belt is realized, the mutual interference of the electric elements is avoided, the surface of the circuit board which is not provided with the circuit is contacted with the resistance wire, the occurrence of the electric series phenomenon is avoided, and the realization of the respective functions of the elements in the treatment belt is ensured.
Drawings
FIG. 1 is a sectional view of a therapeutic band for a thermal patch type therapeutic apparatus according to example 1;
fig. 2 is a schematic structural view of the circuit board of fig. 1 of embodiment 1;
fig. 3 is a schematic view of a structure at a circuit board of embodiment 2;
FIG. 4 is a circuit block diagram of a main control circuit;
FIG. 5 is a circuit schematic of the heating control circuit;
fig. 6 is a circuit schematic of the power supply circuit.
Detailed Description
Example 1
As shown in fig. 1 and 4, the present invention provides a thermal patch type therapeutic apparatus, comprising:
a therapeutic zone; and
the main control machine is electrically connected with the therapeutic belt;
specifically, the therapeutic belt includes:
the heating device comprises a heating core 1, wherein an outer sleeve 11 used for contacting with the outside is arranged outside the heating core 1;
the resistance wire 2 is arranged in the heating core 1;
the circuit board 3 is arranged in the heating core 1, the surface of the circuit board 3 without the circuit is contacted with the resistance wire 2, and the circuit board 3 is provided with a first connecting cap 31 for grounding, a second connecting cap 32 for connecting a heating high-voltage end, a third connecting cap 33 for connecting a heating low-voltage end and a fourth connecting cap 34 for outputting a temperature value outwards;
an insulating conduit (not shown) provided on the heating core 1, the insulating conduit being electrically connected to the first connection cap 31;
the overheating protection switch 4 is arranged on the circuit board 3, one end of the resistance wire 2 is connected with the second connecting cap 32, the other end of the resistance wire 2 is connected with the third connecting cap 33 through the overheating protection switch 4, and the overheating protection switch 4 can be automatically disconnected when the ambient temperature is higher than 56 ℃;
a temperature sensor 5 provided on the circuit board 3 to detect the temperature inside the heater core 1, an output end of the temperature sensor 5 being connected with the fourth connection cap 34; and
the plug 6 is connected with four wires, the four wires penetrate through the outer sleeve 11 and the heating core 1, and the four wires are respectively connected with the first connecting cap 31, the second connecting cap 32, the third connecting cap 33 and the fourth connecting cap 34;
the main control computer includes the casing and sets up the main control circuit in the casing, and main control circuit includes:
the main control board is arranged in the shell;
the heating control circuit is arranged in the shell, the input end of the heating control circuit is connected with the output end of the main control board, the control end of the overheating protection switch is connected with the output end of the heating control circuit, and the heating control circuit can control the overheating protection switch to be switched on and switched off; and
power supply circuit, it sets up in the treatment outband, main control board and heating control circuit all are connected with power supply circuit, power supply circuit's heating high-voltage terminal is connected to 2 one end of resistance wire in treatment area, overheat protection switch 4's first contact is connected to the other end of resistance wire 2, overheat protection switch 4's second contact communicates power supply circuit's heating low-voltage terminal during operation under heating control circuit's control, power supply circuit lasts for main control board and heating control circuit's work power supply, the work of the resistance wire in treatment area provides heating high-voltage terminal and heating low-voltage terminal simultaneously. When the main control board sends the signal of starting the resistance wire to the heating control circuit, the circuit that the heating control circuit closed resistance wire is connected for resistance wire switch-on power supply circuit is the voltage that the resistance wire provided, and the resistance wire lasts the heat supply, makes the treatment area continuously generate heat, and then reaches treatment. If the temperature exceeds the temperature which can be born by a human body to 56 ℃ in the working process of the resistance wire, the resistance value of the overheating protection switch is sharply increased, which is equivalent to that the circuit where the resistance wire is positioned is opened, the work of the resistance wire is stopped, and then the aim of avoiding scalding the skin is achieved.
As shown in fig. 5, in order to avoid the influence of external electromagnetic waves on the control of the resistance wire and to improve the reaction speed of the heating of the resistance wire, the heating control circuit includes a photoelectric coupling switch U1, a triac Q1, a first resistor R1 and a second resistor R2, the anode of the photodiode of the photoelectric coupling switch U1 is connected to the 5V terminal (+5V) of the power circuit, the cathode of the photodiode of the photoelectric coupling switch U1 is connected to the output terminal of the main control board through the first resistor R1, the anode output terminal of the photo-sensing element of the photoelectric coupling switch U1 is connected to the heating low-voltage terminal of the power circuit through the second resistor R2, the cathode output terminal of the photo-sensing element of the photoelectric coupling switch U1 is connected to the control terminal of the triac Q1, the first electrode of the triac Q1 is connected to the overheat protection switch, and the second electrode of the triac Q1 is connected to the heating low-voltage terminal of, the P2 terminal represents a socket outside the treatment zone.
In order to stabilize the voltage of temperature sensor input, this an excess temperature protection circuit for thermal clip formula therapeutic instrument still includes temperature voltage stabilizing circuit, temperature voltage stabilizing circuit includes third resistance and first ordinary electric capacity, in order to detect the in-band temperature of treatment, the output of temperature sensor passes through the third resistance and is connected with the input of main control board, the positive pole of first ordinary electric capacity is connected to the node of third resistance and main control board, the negative pole ground connection of first ordinary electric capacity, No. 2 feet of P2 binding post are used for connecting the input of main control board and temperature sensor's output, third resistance and first ordinary electric capacity set up in the treatment outband.
As shown in fig. 6, in order to provide a stable 5v working voltage for the main control board and the heating control circuit and provide a stable voltage for the work of the resistance wire, and the working voltage of the resistance wire cannot exceed 36v voltage which can be borne by human body, the power supply circuit comprises a voltage reduction circuit and a voltage stabilizing circuit;
the step-down circuit includes: the power supply comprises a power plug (not shown), a power switch (not shown), a fuse (not shown) and a power transformer (not shown), wherein the power plug is used for connecting commercial power, the positive electrode of the power plug is connected to the positive input end of the power transformer through the power switch and the fuse, the negative electrode of the power plug is connected to the negative input end of the power transformer, the power transformer can simultaneously transform the commercial power into a 17V power supply and an 8V power supply, the positive electrode output end of the 17V power supply of the power transformer is the heating high-voltage end-V1 + of a power circuit, and the negative electrode output end of the 17V power supply of the power transformer is the heating low-voltage end-V1-;
the voltage stabilizing circuit includes: a first voltage stabilizing diode D1, a second voltage stabilizing diode D2, a third voltage stabilizing diode D3, a fourth voltage stabilizing diode D4, a first electrolytic capacitor C '1, a second common capacitor C2, a second electrolytic capacitor C' 2, a third common capacitor C3 and a voltage stabilizing chip U2, wherein the anode of the first voltage stabilizing diode D1 is connected with the positive output terminal of the 8V power supply of the power transformer, the cathode of the first voltage stabilizing diode D1 is connected with the input terminal of the voltage stabilizing chip U2, the cathode of the second voltage stabilizing diode D2 is connected with the input terminal of the voltage stabilizing chip U2, the anode of the second voltage stabilizing diode D2 is connected with the negative output terminal of the 8V power supply of the power transformer, the cathode of the third voltage stabilizing diode D3 is connected with the anode of the first voltage stabilizing diode D1, the anode of the third voltage stabilizing diode D3 is connected with the ground terminal of the voltage stabilizing chip U2, the cathode of the fourth voltage stabilizing diode D4 is connected with the anode of the second voltage stabilizing diode GND 2, the anode of the fourth zener diode D4 is connected to the ground terminal of the buck regulator chip U2, the cathode of the first electrolytic capacitor C '1, the cathode of the second common capacitor C2, the cathode of the second electrolytic capacitor C' 2, the cathode of the third common capacitor C3, and the ground terminal GND of the buck regulator chip U2 are all grounded, the anode of the first electrolytic capacitor C '1 and the anode of the second common capacitor C2 are both connected to the input terminal IN of the buck regulator chip U2, the anode of the second electrolytic capacitor C' 2 and the anode of the third common capacitor C3 are both connected to the output terminal OUT of the buck regulator chip U2, P1 IN fig. 3 represents a connection terminal connected to the buck circuit, pin 1 of the connection terminal P1 is used to connect the anode of the 8V power supply, pin 2 of the connection terminal P1 is used to connect the cathode of the 8V power supply, pin 3 of the P1 is used to connect the heating low-voltage terminal V1 of the 17V power supply, and the capacitor C1 is connected to the, the No. 4 pin of the connecting terminal P1 is used for connecting a heating high-voltage end-V1 + of a 17V power supply.
Example 2:
this example differs from example 1 in that: the first connecting cap, the second connecting cap, the third connecting cap and the fourth connecting cap have different structures.
As shown in fig. 3, since the wire joint is generally a copper wire exposed, if the copper wire contacts with the copper wire, the function of the corresponding circuit of the first connection cap, the second connection cap, the third connection cap and the fourth connection cap cannot be realized, and in order to avoid this phenomenon, the following settings are performed: the first connecting cap, the second connecting cap, the third connecting cap and the fourth connecting cap comprise connecting columns made of conductive materials, the connecting columns are used for connecting four wires of the plug, an isolation protection mechanism is arranged outside the connecting columns, and the isolation protection mechanism can clamp the wire connectors and the connecting columns after the wire connectors are connected with the connecting columns, and can also have a distance from the connecting columns.
In order to design simple structure, convenient to use's isolation protection mechanism, isolation protection mechanism includes:
the rotating shaft 301 is arranged beside the connecting column;
the two protective claws 302 are arranged, each protective claw 302 comprises a protective body and an installation body, the protective bodies and the installation bodies are integrally formed, the protective claws 302 are made of insulating materials, the protective bodies are of arc structures, the connecting columns can be enclosed after the two protective bodies are closed, the two installation bodies are rotatably connected with the rotating shaft 301, and the two installation bodies are in a cross shape;
the torsional spring 303 is arranged between the end parts of the two installation bodies far away from the protection bodies, and the two protection bodies can be closed under the action of the torsional spring 303; and
and the rubber ring 304 is arranged on the end part of the mounting body far away from the protective body. During the use, pulling rubber ring 304 for two installation bodies rotate, and the tip that keeps away from the protection body with two installation bodies is closed, and two protection bodies open, has the distance between protection body and the spliced pole in order to give out the space that direction joint and spliced pole are connected, because the plug is in the tractive state, drops easily, all is provided with on overcoat and the heating core and can opens and closed window, in order to make things convenient for the maintenance.
All be provided with detection circuitry on first connection cap, second connection cap, third connection cap and the fourth connection cap, detection circuitry includes: four detection silver-colored lines (not shown in the figure), every detection silver-colored line all sets up on the periphery of place spliced pole, silver-colored line and terminal mutual isolation, every silver-colored line all is parallel with the central line of spliced pole, the distance is equal between every two adjacent silver-colored lines, every silver-colored line center all is provided with the breakpoint, four silver-colored line one end all are connected with third resistance R3, four silver-colored line other ends connect into the silver-colored line extreme point, the silver-colored line extreme point is connected with detection power supply through the display diode, the third resistance passes through third key switch K3 ground connection, third resistance and detection diode D5 all set up on circuit board 3. The detection power may be an electronic power supply provided on the circuit board 3, which supplies a constant voltage. After the terminal that corresponds is connected well with the wire joint of plug 6, closed third key switch, under isolation protection mechanism's effect, the wire structure compresses tightly on the terminal, if wire joint is good with terminal connection, detection diode sends out the light to show that connection has been good corresponds the wire, give installer with the suggestion, avoid not installing the good condition appearance.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (6)
1. A thermal patch therapy device, comprising: a therapeutic zone; the main control machine is electrically connected with the therapeutic belt;
specifically, the therapeutic belt includes: the heating core is sleeved with an outer sleeve which is used for contacting with the outside; the resistance wire is arranged in the heating core; the circuit board is arranged in the heating core, the surface of the circuit board, which is not provided with the circuit, is contacted with the resistance wire, and the circuit board is provided with a first connecting cap for grounding, a second connecting cap for connecting a heating high-voltage end, a third connecting cap for connecting a heating low-voltage end and a fourth connecting cap for outputting a temperature value outwards; the insulating conduit is arranged on the heating core and is electrically connected with the first connecting cap; the overheating protection switch is arranged on the circuit board, one end of the resistance wire is connected with the second connecting cap, the other end of the resistance wire is connected with the third connecting cap through the overheating protection switch, and the overheating protection switch can be automatically disconnected when the ambient temperature is higher than 56 ℃; the temperature sensor is arranged on the circuit board to detect the temperature in the heating core, and the output end of the temperature sensor is connected with the fourth connecting cap; the plug is connected with four electric wires, the four electric wires penetrate through the outer sleeve and the heating core, and the four electric wires are respectively connected with the first connecting cap, the second connecting cap, the third connecting cap and the fourth connecting cap;
the main control computer includes the casing and sets up the main control circuit in the casing, and main control circuit includes: the main control board is arranged in the shell; the heating control circuit is arranged in the shell, the input end of the heating control circuit is connected with the output end of the main control board, the control end of the overheating protection switch is connected with the output end of the heating control circuit, and the heating control circuit can control the overheating protection switch to be switched on and switched off; the main control board and the heating control circuit are connected with the power circuit, one end of a resistance wire of the therapeutic belt is connected with a heating high-voltage end of the power circuit, the other end of the resistance wire is connected with a first contact of the overheating protection switch, and a second contact of the overheating protection switch is communicated with a heating low-voltage end of the power circuit under the control of the heating control circuit;
the first connecting cap, the second connecting cap, the third connecting cap and the fourth connecting cap comprise connecting columns made of conductive materials, the connecting columns are used for connecting four wires of the plug, an isolation protection mechanism is arranged outside the connecting columns, and the isolation protection mechanism can clamp the wire connectors and the connecting columns after the wire connectors and the connecting columns are connected and can also have a distance from the connecting columns;
the isolation protection mechanism includes: the rotating shaft is arranged beside the connecting column; the two protection claws comprise protection bodies and installation bodies, the protection bodies and the installation bodies are integrally formed, the protection claws are made of insulating materials, the protection bodies are of arc structures, the two protection bodies can surround the connecting column after being closed, the two installation bodies are rotatably connected with the rotating shaft, and the two installation bodies are in a cross shape; the torsional spring is arranged between the end parts of the two mounting bodies far away from the protecting bodies, and the two protecting bodies can be closed under the action of the torsional spring; and the rubber ring is arranged on the end part of the mounting body far away from the protective body.
2. The thermal patch therapy device of claim 1, wherein the first, second, third and fourth connecting caps are each provided with a detection circuit comprising: four detection silver wires, every detection silver wire all sets up on the periphery of place spliced pole, silver wire and terminal mutual isolation, every silver wire all is parallel with the central line of spliced pole, the distance is equal between every two adjacent silver wires, every silver wire center all is provided with the breakpoint, four silver wire one end all are connected with the third resistance, four silver wire other ends connect into the silver wire extreme point, the silver wire extreme point passes through display diode and is connected with detection power supply, the third resistance passes through third key switch ground connection, third resistance and detection diode all set up on the circuit board.
3. The thermal patch apparatus according to claim 2, further comprising a temperature regulator circuit including a third resistor and a first common capacitor for detecting the temperature in the therapeutic zone, wherein the output terminal of the temperature sensor is connected to the input terminal of the main control board through the third resistor, the positive terminal of the first common capacitor is connected to the node of the third resistor and the main control board, and the negative terminal of the first common capacitor is grounded.
4. The thermal patch type therapeutic apparatus according to any one of claims 1 to 3, wherein the heating control circuit comprises a photoelectric coupling switch, a bidirectional thyristor, a first resistor and a second resistor, wherein an anode of a photodiode of the photoelectric coupling switch is connected with the 5V end of the power circuit, a cathode of the photodiode of the photoelectric coupling switch is connected with the output end of the main control board through the first resistor, a positive output end of a light sensing element of the photoelectric coupling switch is connected with the heating low voltage end of the power circuit through the second resistor, a negative output end of the light sensing element of the photoelectric coupling switch is connected with the control end of the bidirectional thyristor, a first electrode of the bidirectional thyristor is connected with the overheating protection switch, and a second electrode of the bidirectional thyristor is communicated with the heating low voltage end of the power circuit.
5. The thermal patch type therapeutic apparatus according to claim 4, further comprising a temperature detection circuit, wherein the temperature detection circuit comprises a temperature sensor, a third resistor and a first common capacitor, the temperature sensor is disposed in the therapeutic band to detect the temperature in the therapeutic band, the output terminal of the temperature sensor is connected to the input terminal of the main control board through the third resistor, the positive electrode of the first common capacitor is connected to the node of the third resistor and the main control board, and the negative electrode of the first common capacitor is grounded.
6. The thermal patch therapy device of claim 5, wherein the power circuit includes a voltage step-down circuit and a voltage regulator circuit;
the step-down circuit includes: the power supply comprises a power supply plug, a power supply switch, a fuse and a power supply transformer, wherein the power supply plug is used for connecting commercial power, the positive electrode of the power supply plug is connected to the positive input end of the power supply transformer through the power supply switch and the fuse, the negative electrode of the power supply plug is connected to the negative input end of the power supply transformer, the power supply transformer can simultaneously transform the commercial power into a 17V power supply and an 8V power supply, the positive electrode output end of the 17V power supply of the power supply transformer is the heating high-voltage end of a power supply circuit, and the negative electrode output end of the 17V power supply of the;
the voltage stabilizing circuit includes: a first voltage stabilizing diode, a second voltage stabilizing diode, a third voltage stabilizing diode, a fourth voltage stabilizing diode, a first electrolytic capacitor, a second common capacitor, a second electrolytic capacitor, a third common capacitor and a voltage-reducing and voltage-stabilizing chip, wherein the anode of the first voltage stabilizing diode is connected with the positive output end of the 8V power supply of the power transformer, the cathode of the first voltage stabilizing diode is connected with the input end of the voltage-reducing and voltage-stabilizing chip, the cathode of the second voltage stabilizing diode is connected with the input end of the voltage-reducing and voltage-stabilizing chip, the anode of the second voltage stabilizing diode is connected with the negative output end of the 8V power supply of the power transformer, the cathode of the third voltage stabilizing diode is connected with the anode of the first voltage stabilizing diode, the anode of the third voltage stabilizing diode is connected with the grounding end of the voltage-reducing and voltage-stabilizing chip, the cathode of the fourth voltage stabilizing diode is connected with the anode of the second voltage stabilizing diode, the anode of the fourth voltage stabilizing diode is, the negative pole of the first electrolytic capacitor, the negative pole of the second common capacitor, the negative pole of the second electrolytic capacitor, the negative pole of the third common capacitor and the grounding end of the voltage reduction and voltage stabilization chip are all grounded, the positive pole of the first electrolytic capacitor and the positive pole of the second common capacitor are both connected to the input end of the voltage reduction and voltage stabilization chip, and the positive pole of the second electrolytic capacitor and the positive pole of the third common capacitor are both connected to the output end of the voltage reduction and voltage stabilization chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710132676.XA CN108567522B (en) | 2017-03-07 | 2017-03-07 | Hot plaster type therapeutic instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710132676.XA CN108567522B (en) | 2017-03-07 | 2017-03-07 | Hot plaster type therapeutic instrument |
Publications (2)
| Publication Number | Publication Date |
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| CN108567522A CN108567522A (en) | 2018-09-25 |
| CN108567522B true CN108567522B (en) | 2020-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710132676.XA Expired - Fee Related CN108567522B (en) | 2017-03-07 | 2017-03-07 | Hot plaster type therapeutic instrument |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113117234B (en) * | 2021-03-30 | 2024-02-09 | 江苏云联智能医疗装备有限公司 | Intelligent physiotherapy device and control method thereof |
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| CN2405501Y (en) * | 1999-12-14 | 2000-11-15 | 栾天 | Oil-medium electric-heating blanket |
| CN205007104U (en) * | 2015-07-20 | 2016-02-03 | 飞鱼(天津)医疗器械有限公司 | Medical temperature rising blanket |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3219558C2 (en) * | 1982-05-25 | 1986-10-23 | Norbert H.L. Dr.-Ing. 5173 Aldenhoven Koster | Device for determining the local temperature in living tissue |
| CN86200058U (en) * | 1986-01-04 | 1986-12-10 | 李惠铭 | Electrically heated medicine applied externally for physiotherapy |
| CN2152517Y (en) * | 1993-04-16 | 1994-01-12 | 孙玉国 | Heat storage type warmer |
| CN2678299Y (en) * | 2004-01-10 | 2005-02-09 | 孙东辉 | Electric heating pad |
| CN2902234Y (en) * | 2006-03-10 | 2007-05-23 | 史应俊 | Electric blanket for warming feet |
| CN201743819U (en) * | 2010-08-19 | 2011-02-16 | 梁盛权 | Heating, warming & far infrared physiotherapy heating device |
| CN202262734U (en) * | 2011-10-20 | 2012-06-06 | 叶利苗 | Intelligent electronic hydrothermal bed carpet |
| CN202776709U (en) * | 2012-09-13 | 2013-03-13 | 宁波锦春电器有限公司 | Neck healthcare electric heating pad |
| CN203662417U (en) * | 2013-12-23 | 2014-06-25 | 卢建华 | Far infrared health-care pillow |
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2017
- 2017-03-07 CN CN201710132676.XA patent/CN108567522B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2405501Y (en) * | 1999-12-14 | 2000-11-15 | 栾天 | Oil-medium electric-heating blanket |
| CN205007104U (en) * | 2015-07-20 | 2016-02-03 | 飞鱼(天津)医疗器械有限公司 | Medical temperature rising blanket |
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| CN108567522A (en) | 2018-09-25 |
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