Infrared ray generator for photoelectric finger pulse sensor

• US 20090101849A1
• Filed: 07/14/2006
• Published: 04/23/2009
• Est. Priority Date: 02/17/2006
• Status: Abandoned Application

• Current Assignee: Hangzhou Dalishen Medical Device, Ltd.
• Original Assignee: Hangzhou Dalishen Medical Device, Ltd.
• Inventors: Wang, Xin, Yan, Huagen, Shou, Zhanggen, Wu, Renzhao, Zhang, Baiqi
• Application Number:
  US12/162,365
• Publication Number:
  US 20090101849A1
• Time in Patent Office: Days
• US Class Current: 250/495.100
• CPC Class Codes: A61B 5/02433 for infrared radiation
• CPC Class Codes: A61B 5/6826 Finger
• CPC Class Codes: A61B 5/6838 Clamps or clips

Abstract

An infrared ray generator controlled by photoelectric finger pulse sensor comprises a carrier circuit, a photoelectric signal generating circuit, a photoelectric finger pulse signal receiving circuit, a signal anti-disturbing circuit, a carrier amplification circuit, a detecting and filtering circuit, a low pass amplifying circuit, an intelligent processing circuit, a voltage regulation circuit for triggering and controlling infrared ray lamp, and a power supply circuit for the infrared ray generator.

Claims

1. An infrared ray generator controlled by photoelectric finger pulse sensor comprising a photoelectric signal generating circuit, a photoelectric finger pulse signal receiving circuit for receiving the signal, an amplifying circuit, a voltage regulation circuit for triggering and controlling infrared ray lamp, and a power supply circuit for infrared ray generator, which are coupled in turn, wherein a carrier circuit is coupled with said photoelectric signal generating circuit, and a signal anti-disturbing circuit is coupled between said photoelectric finger pulse signal receiving circuit and said amplifying circuit, wherein said signal anti-disturbing circuit is a inductor coupled with said photoelectric finger pulse signal receiving circuit in parallel.

2. The infrared ray generator controlled by photoelectric finger pulse sensor, as recited in claim 1, wherein said signal anti-disturbing circuit further comprises a resistor R11 coupled with said inductor in parallel.

3. The infrared ray generator controlled by photoelectric finger pulse sensor, as recited in claim 1, wherein said amplifying circuit comprises a carrier amplification circuit and a low pass amplifying circuit, wherein a detecting and filtering circuit is couple between said carrier amplification circuit and said low pass amplifying circuit.

4. The infrared ray generator controlled by photoelectric finger pulse sensor, as recited in claim 3, wherein said an intelligent processing circuit is coupled between said low pass amplifying circuit and said voltage regulation circuit for triggering and controlling infrared ray lamp.

5. The infrared ray generator controlled by photoelectric finger pulse sensor, as recited in claim 4, wherein a standby mode recognizing circuit is coupled between said intelligent processing circuit and said amplifying circuit, wherein an input end of said standby mode recognizing circuit is coupled with an output end of said detecting and filtering circuit, and an output end of said standby mode recognizing circuit is coupled with an input end of said intelligent processing circuit.

6. The infrared ray generator controlled by photoelectric finger pulse sensor, as recited in claim 5, wherein said standby mode recognizing circuit comprises two amplifiers U2A and U2B, wherein two positive input ends of U2A and U2B are coupled with an output end of said detecting and filtering circuit, two negative input ends of U2A and U2B are grounded via two resistors R31 and R33 respectively and coupled to VCC via two resistors R32 and R34 respectively, and two output ends of said amplifiers U2A and U2B are coupled to two positive poles of two diodes D2 and D3 respectively, wherein two negative poles of the D2 and D3 are coupled with two input pins of said intelligent processing circuit respectively.

7. The infrared ray generator controlled by photoelectric finger pulse sensor, as recited in claim 4, wherein said intelligent processing circuit comprises a single-chip computer and a peripheral circuit coupled therewith.

8. The infrared ray generator controlled by photoelectric finger pulse sensor, as recited in claim 1, wherein said carrier circuit comprises a single-chip computer and a peripheral circuit coupled therewith.

9. The infrared ray generator controlled by photoelectric finger pulse sensor, as recited in claim 1, wherein said carrier circuit produces signal wave of 0.5 KHz to 10 KHz.

10. The infrared ray generator controlled by photoelectric finger pulse sensor, as recited in claim 1, wherein said voltage regulation circuit for triggering and controlling infrared ray lamp comprises a photoelectronic coupler circuit S1, a series circuit of R1 and C13 are coupled to said photoelectronic coupler circuit S1 in parallel, a series circuit of a diode D11 and a relay J3 is coupled with J2 in parallel, then one end is coupled to a relay J1 and the other end is coupled to an AC zero line via a relay J4 and said infrared ray lamp, wherein a normally closed end of J1 is coupled to a 220V AC power, and a normally opened end of J1 is coupled to a 140V center tap of a transistor T1.

11. The infrared ray generator controlled by photoelectric finger pulse sensor, as recited in claim 2, wherein said carrier circuit comprises a single-chip computer and a peripheral circuit coupled therewith.

12. The infrared ray generator controlled by photoelectric finger pulse sensor, as recited in claim 3, wherein said carrier circuit comprises a single-chip computer and a peripheral circuit coupled therewith.

13. The infrared ray generator controlled by photoelectric finger pulse sensor, as recited in claim 2, wherein said carrier circuit produces signal wave of 0.5 KHz to 10 KHz.

14. The infrared ray generator controlled by photoelectric finger pulse sensor, as recited in claim 3, wherein said carrier circuit produces signal wave of 0.5 KHz to 10 KHz.

15. The infrared ray generator controlled by photoelectric finger pulse sensor, as recited in claim 2, wherein said voltage regulation circuit for triggering and controlling infrared ray lamp comprises a photoelectronic coupler circuit S1, a series circuit of R1 and C13 are coupled to said photoelectronic coupler circuit S1 in parallel, a series circuit of a diode D11 and a relay J3 is coupled with J2 in parallel, then one end is coupled to a relay J1 and the other end is coupled to an AC zero line via a relay J4 and said infrared ray lamp, wherein a normally closed end of J1 is coupled to a 220V AC power, and a normally opened end of J1 is coupled to a 140V center tap of a transistor T1.