CN202136698U

CN202136698U - Light quantum therapeutic apparatus

Info

Publication number: CN202136698U
Application number: CN201120249766U
Authority: CN
Inventors: 冯勇华; 谢佳莉; 胡伟
Original assignee: WUHAN HINET TECHNOLOGY Co Ltd
Current assignee: WUHAN HINET TECHNOLOGY Co Ltd
Priority date: 2011-07-14
Filing date: 2011-07-14
Publication date: 2012-02-08
Anticipated expiration: 2021-07-14

Abstract

The utility model relates to a light quantum therapeutic apparatus comprising a front cover, a back shell, an LED irradiator assembly, a battery and a circuit board assembly, wherein the front cover is provided with a light-transmission lens; the back shell is provided with an LED light-irradiation window; the circuit board and the LED irradiator assembly are connected with the battery; the outside of the back shell is provided with an radial artery positioning device; the circuit board comprises a central control processor, a constant current driving chip; an input end of the constant current driving chip is connected with the battery; a trigger control end of the LED irradiator assembly is connected with the central processor; an output end of the constant current driving chip is connected with the LED irradiator assembly; and the central control processor outputs a PWM (pulse width modulation) signal for controlling the constant current driving chip to drive the LED irradiator assembly to work. The light quantum therapeutic apparatus provided by the utility model accurately positions the LED light-irradiation window to the radial artery of a wrist through the radial artery positioning device, thus having the advantages that the LED light-irradiation positioning is accurate; the LED irradiation output is stable; and the LED light-output power classification is adjustable.

Description

A kind of ultraviolet-radiation treatment appearance

Technical field

This utility model relates to a kind of medical treatment or health care facility, specifically is a kind of ultraviolet-radiation treatment appearance.

Background technology

The conventional semiconductor laser therapeutic apparatus adopts low-intensity laser irradiation blood; Mainly utilize single tube power to act on human body wrist radial artery, Neiguan acupoint and nasal cavity blood vessel for the light-wave irradiation of 630-670nm for 5mW, wavelength; The laser power density that is irradiated into focal zone reaches medical curative effect value, produces the effect of invigorating blood circulation with quiet blood two aspects.Laser tube is because of receiving the restriction of production technology and efficient, and the cost that directly has influence on laser tube is higher, and the colour temperature of laser tube is high, and the heat that produces during work need obtain good heat radiating, otherwise laser output characteristic produces drift.So laser diode has certain service life, along with the increase of service time, its work efficiency also has certain loss, and the promptly same input current down power of output can change, and this is due to the operating characteristic of laser diode.

Along with semi-conductive research and development of LED in recent years and Manufacturing Technology Development; Some having occurred and do not adopted the Phototherapeutic instrument of laser tube, is a kind of blood-activating device easily of wearing of 200820235758.3 like the patent No., adopts several light emitting diodes to be electrically connected each other to each other; And be arranged on the soft band mounting strap at interval; Though can arbitrarily be enclosed within the suitable position of human body, the randomness of wearing is very big, the luminous energy that start back light emitting diode is transformed by electric energy just accurately positioning irradiation to target vessel; Cause the effect of irradiation treatment very faint so, possibly affect treatment adversely.

Moreover the patent No. is a kind of nose usefulness treatment head that adopts light emitting diode of 200620013548.0, and the electrode of a treatment electric wire is connected on two electrodes of the lamp base identical with the lamp base screw thread of pocket lamp bulb, uses as power supply with pocket lamp.The mode of this employing conventional dc power supply causes LED light output instability and power output inaccuracy, and is also non-adjustable.

Summary of the invention

For solving the problems of the technologies described above, this utility model provides a kind of LED illumination accurate positioning, LED optical output power to stablize adjustable ultraviolet-radiation treatment appearance.

A kind of ultraviolet-radiation treatment appearance; Comprise face-piece that transmission lens is installed and the drain pan that has LED rayed window; In face-piece and the synthetic housing of drain pan, LED illuminator component, battery, circuit board assemblies are installed; Circuit board assemblies is connected with battery with the LED illuminator component, and the described drain pan outside is provided with the radial artery positioner, and said circuit board assemblies comprises central control processor, constant-current driven chip; The input of constant-current driven chip connects battery; The trigger control end of constant-current driven chip connects central controller, and the outfan of constant-current driven chip connects the LED illuminator component, the work of central control processor output pulse width modulation signal control constant-current driven chip driving LED illuminator component.

The utlity model has following advantage:

1) this utility model ultraviolet-radiation treatment appearance is worn easyly, and the radial artery positioner through drain pan can accurately navigate to the wrist radial artery with the LED illumination window, LED illumination accurate positioning;

2) to trigger the constant-current driven chip driving LED luminous for the pulse-width signal that produces of central control processor output low frequency square-wave frequency modulation high frequency square wave; Through changing the dutycycle of low-frequency square-wave; Can change the average driving current of LED; Thereby the power output that changes LED is adjustable, makes the luminous output of LED stable, and the classification of LED optical output power is adjustable;

3) the LED cost is low, can be encapsulated on PCB substrate, ceramic substrate, high thermal conductivity coefficient aluminium base, the FPC, improves the radiating effect of LED, improves luminous efficiency, also can make therapeutic instrument volume miniaturization.

Description of drawings

Fig. 1 is the three-dimensional exploded view of this utility model ultraviolet-radiation treatment appearance, comprises circuit board assemblies;

Fig. 2 is the schematic block circuit diagram of circuit board assemblies in this utility model ultraviolet-radiation treatment appearance;

Fig. 3 is the circuit diagram of circuit board assemblies in this utility model ultraviolet-radiation treatment appearance.

Among the figure: 1-face-piece, 2-drain pan, 3-transmission lens, 4-the panel tab, 5-display screen; The 6-circuit board module, 7-operation push-button, 8-LED irradiator, 9-locating support, 10-battery; 11-sealing rubber ring, 12-radial artery positioner, the 13-eyeglass that prevents dust, 14-illumination window, 15-central control processor; The 16-multiplex interface, 17-mu balanced circuit, 18-constant-current driven chip, 19-buzzer, 20-LED.

The specific embodiment

To combine the accompanying drawing in this utility model below, the technical scheme in this utility model will be carried out clear, intactly description.

Shown in Figure 1 is the three-dimensional exploded view of this utility model ultraviolet-radiation treatment appearance, and said ultraviolet-radiation treatment appearance comprises face-piece 1 that transmission lens 3 is installed and the drain pan 2 that has LED rayed window 14.In face-piece 1 and drain pan 2 synthetic housings, LED illuminator component 8, LED locating support 9, battery 10, circuit board assemblies 6 are installed.

LED illuminator component 8 comprises the Neiguan acupoint irradiator that the radial artery irradiator of being made up of four or above LED 20 that forms a line and the independent LED of another one constitute; LED illuminator component 8 is connected on the circuit board assemblies 6; Locating support 9 is embedded on the LED illuminator component 8; Locating support 9 is provided with the irradiation hole of corresponding LED number, and the luminous irradiation hole by correspondence of each LED shines the wrist radial artery through the LED rayed window 14 of drain pan.Concrete; LED rayed window 14 on the said drain pan 2 comprises the Neiguan acupoint illumination window and the side that are positioned at the middle part begun arranged askew by the drain pan edge string radial artery illumination window; It is corresponding with the radial artery illumination window wherein to scratch the tremulous pulse irradiator, and the Neiguan acupoint irradiator is corresponding with the Neiguan acupoint illumination window.Be provided with dustproof eyeglass 13 in described LED rayed window 14 inboards.

LED illuminator component 8 is installed in face-piece 1 and the drain pan 2 synthetic housings through locating support 9; Wear in the process and can not influence LED illuminator component 8 and interconnector; The situation that can not be short-circuited or open circuit; Moreover dustproof eyeglass 13 has been installed outside the LED rayed window 14, can further effectively protect LED.Said transmission lens 3 is the protruding shape of thin edge, thick middle, is mounted on the display window of face-piece 1, through the luminous angle expansion scattering of transmission lens 3 with display screen 5 displaying contents, improves display effect.

Said transmission lens 3 uses metal coating technology, and when display screen 5 did not show, transmission lens 3 can use as mirror.

Be pasted with the panel tab 4 between the display window of said transmission lens 3 and face-piece 1, the panel tab 4 is in the inboard of transmission lens 3, makes the panel tab obtain protection, more corrosion-resistant and wiping.

The bonding crack place of described face-piece 1 and drain pan 2 is provided with sealing rubber ring 11, and behind the screw of locking face-piece and drain pan, sealing rubber ring 11 is pressed in the bonding crack of face-piece and drain pan, reaches dustproof, moistureproof function.

Described drain pan 2 outsides are provided with the radial artery positioner 12 that combines the design of wrist human engineering; When wearing therapeutic instrument; The outside of radial artery positioner 12 is concordant with the wrist radius outside; The LED illumination window 14 of radial artery positioner 12 middles has just been aimed at radial artery, and the irradiates light vertical irradiation that this moment, the LED irradiator sent is to radial artery.Therefore can be when wearing therapeutic instrument; Can be very easily according to this markers align the radial artery and the Neiguan acupoint that will shine; The use of matching and fixing wrist strap, convenient and simple the built-in radial artery of therapeutic instrument and Neiguan acupoint irradiator positioning irradiation to the blood vessel of radial artery and Neiguan acupoint, prevent blind photograph and poor efficiency; Need not be as before the therapeutic instrument aligning of leafing through repeatedly, can't know in use whether irradiation position has squinted.Radial artery positioner 12 accuracy and the illumination efficiency that has improved irradiation treatment be set, made things convenient for use.

Please in the lump with reference to figure 2, said circuit board assemblies 6 comprises central control processor 15, display screen 5, operation push-button 7, multiplex interface 16, mu balanced circuit 17, constant-current driven chip 18, buzzer 19.

The input of said mu balanced circuit 17 connects battery 10, and the outfan of mu balanced circuit 17 is connected to the power input of central controller 15, and the voltage of battery 10 offers the stable running voltage of central control processor 15 through mu balanced circuit 17.

Said constant-current driven chip 18 is connected with battery 10, central control processor 15, LED illuminator component 8; The input of constant-current driven chip 18 connects battery 10; The trigger control end of constant-current driven chip 18 connects central controller 15, and the outfan of constant-current driven chip 18 connects LED illuminator component 8.Pulse-width signal control constant-current driven chip 18 driving LED illuminator component 8 work of central control processor 15 outputs.Through changing the dutycycle of low-frequency square-wave, can change the average driving current of LED, thereby the power output 1-5mW that changes LED is adjustable, makes the luminous output of LED stable, the classification of LED optical output power is adjustable.

Said battery 10 and multiplex interface 16, mu balanced circuit 17, constant-current driven chip 18, display 5, buzzer 19 connect, and adapter gives battery 10 chargings through multiplex interface 16, and the electric energy that battery 10 stored after charging was accomplished is that complete machine provides power supply.

It is 8 power supplies of LED illuminator component that central control processor 15 exportable pulse-width signals trigger constant-current driven chip 18, with the optical output power of 1mW-5mW stepping adjustable LED.

The central control processor 15 inner low-frequency square-waves that produce the EDM Generator of Adjustable Duty Ratio joint, the frequency range of low-frequency square-wave is 100Hz-1KHz, the periodic width of low-frequency square-wave is 1mS-10mS.Central control processor 15 inside also produce stable high frequency square wave, and the frequency range of high frequency square wave is 20KHz-200KHz, and the periodic width of high frequency square wave is 5uS-50uS.The low-frequency square-wave of EDM Generator of Adjustable Duty Ratio, high frequency square wave together are input to pulse-width modulation circuit, and low-frequency square-wave modulation high frequency square wave produces step high-frequency impulse bag, 8 work of high-frequency impulse bag signal triggering constant-current driven chip 18 driving LED light illuminators.Through setting the inside PWM pulsewidth modulation ratio of central control processor 15; The modulation ratio of pulse width can be set 10%-90%; Suppose that pulse width is the batch (-type) high-frequency impulse bag that 10% low-frequency square-wave modulation high frequency square wave produces; Each cycle of its packet of pulses contains the width of 100 high frequency square waves, and it triggers constant-current driven chip 18 driving LED 20 irradiation powers is 1mW, improves the dutycycle to 20% of low-frequency square-wave so; The high-frequency impulse bag of pulsewidth modulation just contains the width of 200 high frequency square waves in each cycle; The irradiation power of LED 20 is brought up to 2mW, controls the dutycycle of low-frequency square-wave according to this, and it is adjustable that the output of LED20 can be controlled the 1-5mW classification.

The LED 20 too luminous people of making of low frequency feels dizzy, and this sensation can be unhealthful, the glow frequency that 100Hz is above; No matter how narrow the width of pulse is; The light pulse dutycycle can approach 0, and all can not aware light source is flicker, so adopt the 100Hz-1KHz low-frequency square-wave to modulate.Because it is very fast that LED gets response time, the pulsed illumination time can be controlled at the microsecond level.The luminous power of LED is proportional to the electric current through LED 20 basically; Explain under the average current of the pulse current condition identical with DC current; The luminous power of LED is the same, and is therefore bigger with the comparable direct constant-current driving LED optical output power of pulsed drive LED.Though at short notice, pulsed LED luminous power is very big, and its work is in pulse condition, and the joint temperature of LED is controlled effectively, and effect is than with good many of DC current.

LED 20 described in the LED light illuminator assembly 8 can be red, green dual color light emitting LED, can also be the green light LED of 500-530nm for wavelength, and wavelength is the red-light LED of 600-680nm.LED 20 can choose common on the market resin-encapsulated pattern, can also adopt surface mount SMD pattern, even can directly be encapsulated in red wafer, green wafer on the PCB substrate, can carry high-power heat radiation, also can reduce the thickness of complete machine.Be that example describes with red, green dual color light emitting LED below.

As shown in Figure 3; Constant-current driven chip 18 comprises two control chip U3 and U4; Said LED 20 is red, green double color luminotron; The wafer positive pole that glows of LED 20 is connected to the outfan of control chip U4 through resistance R 13, R14, R15, R16, R12; The trigger control end of control chip U4 is connected to the PA6 foot of central control processor 15, and the green light wafer positive pole of LED 20 is connected to the outfan of control chip U3 through resistance R 18, R19, R20, R21, R11, and the trigger control end of control chip U3 is connected to the PC4 foot of central control processor 15.

Suppose to use HONGGUANG to carry out irradiation treatment, the pulse-width signal of the PA6 foot output of central control processor 15 triggers the control chip U4 of constant-current driven chip 18, and outfan control LED 20 red wafer of control chip U4 are sent HONGGUANG.

Suppose to use green glow to carry out irradiation treatment, the pulse-width signal of the PC4 foot output of central control processor 15 triggers the control chip U3 of constant-current driven chip 18, and outfan control LED 20 green wafer of control chip U3 are sent green glow.

The above; Be merely the specific embodiment of this utility model; But the protection domain of this utility model is not limited thereto; Any technical staff who belongs to the present technique field is in the technical scope that this utility model discloses, and the variation that can expect easily or replacement all should be encompassed within the protection domain of this utility model.Therefore, the protection domain of this utility model should be as the criterion with the protection domain of claim.

Claims

1. ultraviolet-radiation treatment appearance; Comprise face-piece (1) that transmission lens (3) are installed and the drain pan (2) that has LED rayed window (14); In face-piece (1) and the synthetic housing of drain pan (2), LED illuminator component (8), battery (10), circuit board assemblies (6) are installed; Circuit board assemblies (6) is connected with battery (10) with LED illuminator component (8); It is characterized in that: described drain pan (2) outside is provided with radial artery positioner (12); Said circuit board assemblies (6) comprises central control processor (15), constant-current driven chip (18), and the input of constant-current driven chip (18) connects battery (10), and the trigger control end of constant-current driven chip (18) connects central controller (15); The outfan of constant-current driven chip (18) connects LED illuminator component (8), central control processor (15) output pulse width modulation signal control constant-current driven chip (18) driving LED illuminator component (8) work.

2. ultraviolet-radiation treatment appearance as claimed in claim 1; It is characterized in that: LED illuminator component (8) comprises the Neiguan acupoint irradiator that the radial artery irradiator of being made up of four or above LED (20) that forms a line and the independent LED of another one constitute; In face-piece (1) and the synthetic housing of drain pan (2), LED locating support (9) is installed also; Locating support (9) is embedded on the LED illuminator component (8), and locating support (9) is provided with the irradiation hole of corresponding LED number.

3. according to claim 1 or claim 2 ultraviolet-radiation treatment appearance, it is characterized in that: described LED rayed window 14 inboards are provided with dustproof eyeglass (13).

4. ultraviolet-radiation treatment appearance as claimed in claim 2; It is characterized in that: the LED rayed window (14) on the said drain pan (2) comprises the Neiguan acupoint illumination window and the side that are positioned at the middle part begun arranged askew by the drain pan edge string radial artery illumination window; It is corresponding with the radial artery illumination window wherein to scratch the tremulous pulse irradiator, and the Neiguan acupoint irradiator is corresponding with the Neiguan acupoint illumination window.

5. ultraviolet-radiation treatment appearance as claimed in claim 1 is characterized in that: be pasted with the panel tab (4) between the display window of said transmission lens (3) and face-piece (1).

6. ultraviolet-radiation treatment appearance as claimed in claim 1 is characterized in that: the bonding crack place of described face-piece (1) and drain pan (2) is provided with sealing rubber ring (11).

7. ultraviolet-radiation treatment appearance as claimed in claim 1; It is characterized in that: said circuit board assemblies (6) also comprises display screen (5), operation push-button (7), multiplex interface (6), buzzer (19); Display screen (5), operation push-button (7) and buzzer (19) are connected with central control processor (15), and multiplex interface (16) is connected with battery (10).

8. ultraviolet-radiation treatment appearance as claimed in claim 1; It is characterized in that: central control processor (15) produces the low-frequency square-wave of EDM Generator of Adjustable Duty Ratio joint and stable high frequency square wave; The low-frequency square-wave of EDM Generator of Adjustable Duty Ratio, high frequency square wave together are input to pulse-width modulation circuit; Low-frequency square-wave modulation high frequency square wave produces step high-frequency impulse bag, high-frequency impulse bag signal triggering constant-current driven chip (18) driving LED light illuminator (8) work.

9. ultraviolet-radiation treatment appearance as claimed in claim 1; It is characterized in that: said circuit board assemblies (6) also comprises mu balanced circuit (17); The input of said mu balanced circuit (17) connects battery (10), and the outfan of mu balanced circuit (17) is connected to the power input of central controller (15).

10. ultraviolet-radiation treatment appearance as claimed in claim 2 is characterized in that: the LED (20) in the said LED light illuminator assembly (8) is that red, green dual color light emitting LED, wavelength are that green light LED or the wavelength of 500-530nm is the red-light LED of 600-680nm.