CN203598357U - Portable alternating current physiotherapy instrument - Google Patents

Abstract

The utility model relates to a portable alternating current physiotherapy instrument which employs an MC9S08AW60 microcontroller as a master control chip. The portable alternating current physiotherapy instrument comprises a power supply module, a voltage output selection module, a buzzer module, a keyboard and LED interface circuit, and an LCD display screen. The MC9S08AW60 microcontroller is based on the S08 kernel, with the bus frequency reaching 20MHz, thereby being capable of rapidly and accurately completing command calculation and control of modules of the electronic physiotherapy instrument. The voltage output selection module comprises 16 paths of bi-directional silicon controlled rectifier zero-crossing trigger circuits and specifically comprises MOC3062 photocoupling bi-directional silicon controlled rectifier drivers used for driving bi-directional silicon controlled rectifiers BT136-600E and achieving an insulation effect. The electronic physiotherapy instrument has three working modes of flat wave, pulse and automation, has 16 output gears, has a timing function and can display the working mode, the gear and the working time through the LCD display screen. The portable alternating current physiotherapy instrument is simple to operate and convenient to carry and is suitable for more crowds with the combination of multiple working modes and the different gears.

Description

Exchange portable physiotherapeutic instrument

Technical field

This utility model relates to a kind of health care product, is specifically related to a kind of portable physiotherapeutic instrument that exchanges.

Background technology

Along with living standard improves, modern people more and more pay attention to the healthy of oneself, more and more pay attention to health sub-health state.Electronic physiotherapy apparatus is the jinx of health sub-health state, and therefore electronic physiotherapy apparatus has progressively been come into people's life.So-called electronic physiotherapy apparatus, by the pulse electrical signal of certain voltage and frequency, be connected with human body by electrode, because a lot of ingredients of tissue all exist certain electrical characteristics, so in the time being subject to electricity irritation, the muscle of human body, nerve and body fluid, blood all can produce physical and chemical reaction to a certain degree.Electronic physiotherapy apparatus is in the market large multi-functional simple, only has a kind of mode of operation or physical therapy insufficient strength, and complicated operation, is not easy to carry, and has caused great inconvenience to people's use.

Summary of the invention

In order to overcome the deficiency of existing electronic physiotherapy apparatus, this utility model provides a kind of portable physiotherapeutic instrument that exchanges, this physiotherapy table adopts MC9S08AW60 microcontroller as main control chip, there are flat ripple, pulse and automatic three kinds of mode of operations, 16 output gears can show working method, gear and working time by LCD display simultaneously in real time, export power supply is provided simultaneously with a transformator for master board and passage, each module is combined in casing, is easy to carry.

This utility model solves the technical scheme that its technical problem adopts: comprise and adopt MC9S08AW60 microcontroller to select module, buzzer module, keyboard and LED interface circuit, LCD display as main control chip, supply module, Voltage-output.

Described MC9S08AW60 microcontroller is based on S08 kernel, and bus frequency reaches 20MHz, can complete fast and accurately command calculations and control to the each module of physiotherapy table.

Described supply module, take 220V transformator as main devices, can be selected module and 5V DC power supplier for Voltage-output simultaneously input voltage is provided.

Described 5V DC power supplier adopts KBP310 to transfer the 10V alternating voltage of transformator input to 10V DC voltage as rectifying device, then by LM2575T-5V voltage stabilizing chip, final output 5V DC voltage, for main control chip and LCD display provide running voltage.

Described Voltage-output selects module to comprise No. 16 bidirectional triode thyristor zero-cross triggering circuits, selects by the IO interface of main control chip, and the Voltage-output of 16 kinds of different gears can be provided for operator.

Described bidirectional triode thyristor zero-cross triggering circuit comprises that MOC3062 is photoelectric coupling bidirectional triode thyristor driver, is used for driving bidirectional triode thyristor BT136-600E, and plays buffer action.

Described buzzer module, take piezo buzzer as main devices, is connected with main control chip, can finish alarm sound for operator provides keypad tone and timing.

Described keyboard is connected with kernel control chip with LED interface circuit, for main control chip provides instruction input and duty output.

Described LCD display adopts YM1602C LCDs, is connected with main control chip by pricking with needle, can show in real time mode of operation, gear, the working time of electronic physiotherapy apparatus.

Compared with existing electronic physiotherapy apparatus, the beneficial effects of the utility model are:

(1) use main control chip MC9S08AW60 to carry out intelligent management, show in real time by LCD display and the duty that exchanges portable formula physiotherapy table coordinate simple button operation, make the operation of electronic physiotherapy apparatus more effectively simple;

(2) this physiotherapy table has flat ripple, pulse and automatic three kinds of mode of operations, and 16 gears, compare traditional physiotherapy table, and mode of operation is more diversified, is applicable to more crowds and uses;

(3) this physiotherapy table is by master board and the making sheet of Voltage-output panel independence, and forceful electric power separates with light current, makes physiotherapy table more safe and reliable.

Accompanying drawing explanation

Fig. 1 exchanges portable formula physiotherapy table theory diagram

Fig. 2 is microcontroller MC9S08AW60 minimum system circuit theory diagrams

Fig. 3 is bidirectional triode thyristor zero-cross triggering circuit schematic diagram

Fig. 4 is 5V DC power supply circuit schematic diagram

Fig. 5 is buzzer circuit schematic diagram

Fig. 6 is keyboard and LED interface circuit schematic diagram

Fig. 7 is LCD display circuit theory diagrams

The specific embodiment

The portable formula physiotherapy table of interchange described in the utility model comprises MC9S08AW60 micro controller module 1, supply module 2, Voltage-output selection module 3, buzzer circuit 4, keyboard and LED interface circuit 5, LCD display 6,5V DC power supplier 7.

The circuit theory diagrams of described MC9S08AW60 micro controller module 1 as shown in Figure 2.Reset key RST, resistance R 2, capacitor C 1 form reset circuit, press reset key, and chip recovers initialization state, rerun routine; Between chip 22,21 pins the burr of the capacitor C that connects 2 in can filter out power, for chip provides running voltage stably; 4MHz crystal oscillator Y1, resistance R 1, capacitor C 3 and C5 composition crystal oscillating circuit, provide 20MHz bus clock by chip internal frequency multiplier circuit for chip; Write device interface BDM6P, resistance BDM-R1 composition write device circuit, can be written to the chip writing in main control chip by BDM6P interface.

Described supply module 2 is selected module 3 and 5V DC power supplier 7 for Voltage-output simultaneously voltage is provided, and main devices is 220V transformator.

Described Voltage-output is selected module 3 You16 road Bidirectional thyristor trigger circuit compositions, and Zhe16 road Bidirectional thyristor trigger circuit is identical, and just by different I/O port controlling, Bidirectional thyristor trigger circuit as shown in Figure 3.In figure, J1_i is photoelectric coupling bidirectional triode thyristor driver MOC3062, belong to the one of photoelectrical coupler, be used for driving bidirectional triode thyristor Q1, Q1 model is BT136-600E, R1_1, R1_2 are for triggering current-limiting resistance, R1_3 is bidirectional triode thyristor Q1 gate electrode resistance, prevents false triggering, improves capacity of resisting disturbance.In the time that the OUT1 pin being connected with main control chip IO interface is exported high level signal, MOC3062 conducting, triggers bidirectional triode thyristor Q1 conducting, connects AC load.

The circuit theory diagrams of described 5V DC power supplier 7 as shown in Figure 4.In Fig. 4, DN06S_1 is rectification chip, the 10V alternating voltage of 220 transformator outputs is converted into DC voltage, and output to voltage stabilizing chip LM2575_1, LM2575_1 model is LM2575-5V, P1_C1 is filter capacitor, make through the DC voltage waveform of rectification chip output more steady, 10V DC voltage is converted to stable 5V DC voltage by voltage stabilizing chip LM2575_1, for main control chip and LCD display provide working power, P1_LED is power supply indicator, when voltage stabilizing chip output 5V voltage, P1_LED lamp is lighted, resistance P1_R is power supply indicator current-limiting resistance.

The circuit theory diagrams of described buzzer circuit 4 as shown in Figure 5.In figure, Bell is piezo buzzer, and B_Q is audion S9013, and the BUZZER pin that is connected with main control chip is defeated during as high level signal, audion conducting, and buzzer is sounded.

Described keyboard and LED interface circuit 5 circuit theory diagrams are as shown in Figure 6.LED_power, LED_channel, LED_time is connected with the corresponding pin of main control chip respectively, in the time of respective pins output high level signal, LED lamp on panel is lit, LED_R1, LED_R2, LED_R3 is LED lamp current-limiting resistance, Key1-Key8 is keyboard pin, wherein Key1-Key4 is input pin, K_R1-K_R4 is input pin pull-up resistor, Key5-Key8 is output pin, output pin circulation output low level under main control chip control, in the time that certain button is closed, main control chip checks input pin state, can judge it is which button closure, Key & LED is 12 pin FPC interfaces, panel is connected by FPC soft arranging wire with main control chip.

The circuit theory diagrams of described LCD display 6 as shown in Figure 7.LCD display adopts YM1602C blue ribbon back-light liquid crystal display screen, resistance LCD_R1 is liquid crystal display screen contrast adjusting resistance, LCD_RS, LCD_RW, LCD_E are connected with main control chip PTC4, PTC6, PTF6 pin respectively, LCD_D0-LCD_D7 is connected successively with main control chip PTF7-PTF0, transmission LCD data, LCD1602 is 16 faller gill needle interfaces, and LCD display 6 is connected by pricking with needle with main control chip.

Claims (5)

1. one kind exchanges portable physiotherapeutic instrument, it is characterized in that: comprise MC9S08AW60 microcontroller, supply module, Voltage-output selection module, DC power supplier, buzzer module, keyboard and LED interface circuit, LCD display, MC9S08AW60 microcontroller inside is integrated with basic I/O port and connects voltage selection output module, buzzer module, keyboard and LED interface circuit and LCD display.

2. interchange portable physiotherapeutic instrument according to claim 1, is characterized in that: described supply module is selected module and DC power supplier for Voltage-output simultaneously voltage is provided.

3. interchange portable physiotherapeutic instrument according to claim 1, is characterized in that: described DC power supplier provides voltage for MC9S08AW60 microcontroller, LCD display.

4. according to the interchange portable physiotherapeutic instrument described in claim 2-3 any one, it is characterized in that: described Voltage-output is selected module You16 road Bidirectional thyristor trigger circuit composition.

5. interchange portable physiotherapeutic instrument according to claim 4, is characterized in that: described 16 road Bidirectional thyristor trigger circuit is identical, by different I/O port by photoelectric coupling control.

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