CN2127459Y - Multi-function vision protection desk lamp - Google Patents

Multi-function vision protection desk lamp Download PDF

Info

Publication number
CN2127459Y
CN2127459Y CN 92224126 CN92224126U CN2127459Y CN 2127459 Y CN2127459 Y CN 2127459Y CN 92224126 CN92224126 CN 92224126 CN 92224126 U CN92224126 U CN 92224126U CN 2127459 Y CN2127459 Y CN 2127459Y
Authority
CN
China
Prior art keywords
desk lamp
light
phototriode
fixed
global function
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 92224126
Other languages
Chinese (zh)
Inventor
袁鸣
吴畏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN 92224126 priority Critical patent/CN2127459Y/en
Application granted granted Critical
Publication of CN2127459Y publication Critical patent/CN2127459Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

The utility model relates to a multi-function vision protection desk lamp, which is characterized in that a light-operated multi-function vision protection desk lamp circuit composed of a light modulation part, an alarm part and a photometry part is arranged in the baseplate shell of the desk lamp. When people's read-write sitting position is incorrect, the light of the desk lamp is darkened (darkened but not extinguished) and alarm sound is sent out. When people's read-write sitting position is correct, the desk lamp can select the best read-write illuminance through photometry. Compared with prior art, the desk lamp has the characteristics of convenient use, reliable performance and multi-function vision protection. The desk lamp is suitable to be used in offices, schools and families, and is also a good present that can be given to friends and relatives.

Description

Multi-function vision protection desk lamp
The utility model relates to a kind of desk lamp of sight protectio.
February 9 last year and April seven in this year, the Japanese submitted the patent application (application number: 91202622.7 of multi-functional myopia prevention desk lamp respectively to Patent Office of the People's Republic of China; 92206920.4).Their main feature is: propose to utilize the facial reflective of human body and the reflective difference of hair first, by the direct ghyristor circuit of control setting in the Desk lamp feet shell of photo resistance (photo resistance is fixed on middle part in the scalable small sleeve, and scalable small sleeve is fixed on Desk lamp feet shell or the lampshade).When the sighting distance of human body was lower than normal reading/writing distance, the light deepening (secretly and not putting out) of desk lamp was also sent chimes of doom, forced the necessary sitting posture of human body correct, and the light of desk lamp could recover normal and stop chimes of doom, has reached the supervision sitting posture, the purpose of pre-myopia prevention.But promptly correct when human body sitting posture with regard to another important content of sight protectio, when being engaged in reading writing working, the light of desk lamp should be selected to use best read-write illuminance, and light must not have to flash and fails to relate to.
The purpose of this utility model just provides a kind of global function sight protectio desk lamp.Utilize human body to portion reflective with the reflective difference of hair, the light deepening by desk lamp and send the sitting posture that chimes of doom monitors human body; When the sitting posture of human body is correct, utilize the light light and shade of desk lamp adjustable, select to use best read-write illuminance by electronic metering.
The purpose of this utility model is to realize like this.In the base shell of desk lamp, be provided with the light-operated global function sight protectio desk lamp circuit that is grouped into by light modulation part, the part of reporting to the police, photometric measurer.The light modulation part is made up of bulb, mains switch, bidirectional triode thyristor, bidirectional trigger diode, electric capacity, resistance, variable resistor, and mains switch is fixed on the Desk lamp feet shell, and the variable resistor turn-knob stretches out outside the Desk lamp feet shell; The part of reporting to the police is made up of functional switch, phototriode, relay, inverter, triode, diode, voltage stabilizing didoe, resistance, variable resistor, electric capacity, buzzer, phototriode is loaded in the small sleeve that is fixed on a directed human body face on the desk lamp Lamp housing, and functional switch is fixed on the Desk lamp feet shell; The photometry part is made up of phototriode, diode, triode, resistance, electric capacity, light-emitting diode, and phototriode and light-emitting diode directly are fixed on the Desk lamp feet shell.Closed mains switch and functional switch, when human body facial reflective was lower than normal sighting distance, the light deepening of this desk lamp was also sent chimes of doom; When the sitting posture of human body is correct, if light-emitting diode is not luminous, just should transfer the variable resistor turn-knob to make lumination of light emitting diode, the desk lamp illuminance of this moment is exactly best read-write illuminance.
Below in conjunction with accompanying drawing the utility model is described in further detail.
Fig. 1 is a kind of light-operated global function sight protectio desk lamp circuit diagram of the present utility model.Light modulation part is by bulb DP, mains switch K 1, bidirectional triode thyristor T 1, bidirectional trigger diode T 2, capacitor C 1, resistance R 1, R 2, R 3, variable resistor R X 1Form; Report to the police part by functional switch K 2, phototriode G 1, triode BG 1, BG 2, relay J (J 1-1With R 1, R 2Series connection, J 1-2With R 1, R 3And R X 1Series connection, switching controls bidirectional triode thyristor T 1The control extreme pressure), inverter ic 4069(1,2 and BG 2Make BG 1Path, 3,4,5 form oscillator), diode D 1, D 2, D 3, voltage stabilizing didoe D 5, resistance R 4, R 5, R 6, R 7, R 8, R 9, R 10, R 11, R 12, capacitor C 2, C 3, C 4, C 5, C 6(C 5And R 7Form delay circuit, the interference at the critical place that reduces to report to the police), variable resistor R X 2(R * 2Replaceable is phototriode G 5), buzzer X forms; The photometry part is by phototriode G 2, diode D 4, triode BG 3, BG 4, BG 5, resistance R 13, R 14, R 15, R 16, R 17, R 18, capacitor C 7, light-emitting diode G 3, G 4, (G 3And G 4Replaceable is electronic pointer G 6) form.
Fig. 2 is a kind of concrete structure schematic diagram of the present utility model.Most of element of Fig. 1 is fixed on the printed circuit board (PCB) ［ 1 ］, and printed circuit board (PCB) ［ 1 ］ is fixed in the base shell ［ 2 ］ of desk lamp.Small sleeve ［ 3 ］ is fixed on the desk lamp Lamp housing ［ 4 ］, forms 15 ° of-25 ° of angles with desk lamp Lamp housing ［ 4 ］, and the 25 °-45 of taking back, phototriode G 1Be fixed on the interior base portion of small sleeve ［ 3 ］.Phototriode G 2, light-emitting diode G 3, G 4(or electronic pointer G 6), variable resistor R X 1Turn-knob ［ 5 ］, mains switch K 1, functional switch K 2All be fixed on the Desk lamp feet shell ［ 2 ］.Also can be with variable resistor R X 1Be replaced by phototriode G 5Be fixed on small sleeve ［ 6 ］ base portion, small sleeve ［ 6 ］ is fixed in the Desk lamp feet shell ［ 2 ］ and forms 15 ° of-25 ° of angles and the 25 °-45 of taking back with the bottom surface.
The utlity model has the supervision sitting posture, photometry and dimming function.The utility model is applicable to uses such as office, school, family and presenting friends.As an example of the present utility model, its operation principle is: as mains switch K 1Closure, functional switch K 2During open circuit, J 1-2Closure, J 1-1Open circuit, light modulation part at this moment is working properly, and desk lamp at this moment is general adjustable lamp light light and shade desk lamp; In the closure function K switch 2Before, this desk lamp should be placed on human body left front 25 °-45 of inclination and make small sleeve ［ 3 ］ mouthful aligning human body face, as functional switch K 2After the closure, the warning part is working properly, when read-write sitting posture incorrect, by triode BG 2Make triode BG with 1,2 of inverter ic 4069 1Path, relay J adhesive, J 1-1Closure, J 1-2Open circuit, desk lamp light deepening at this moment, because 2 be output as low level, 3,4,5 form the oscillator starting oscillations, buzzer X sends chimes of doom, monitors sitting posture; When sitting posture is correct, J 1-2Closure, J 1-1Open circuit, part of light modulation at this moment and photometric measurer divide work normal, under the read-write illuminance of the best, light-emitting diode G 3And G 4Simultaneously luminous, if light-emitting diode G 3And G 4Not luminous, just should transfer variable resistor R X 1Turn-knob ［ 5 ］ makes light-emitting diode G 3And G 4Simultaneously luminous.

Claims (4)

1, global function sight protectio desk lamp is characterized in that being provided with the light-operated global function sight protectio desk lamp circuit that is grouped into by light modulation part, the part of reporting to the police, photometric measurer in the base shell [2] of desk lamp.Light modulation part is by bulb DP, mains switch K 1, bidirectional triode thyristor T 1, bidirectional trigger diode T 2, capacitor C 1, resistance R 1, R 2, R 3, variable resistor R * 1Form; Report to the police part by functional switch K 2, phototriode G 1, triode BG 1, BG 2, relay J (J 1-1With R 1, R 2Series connection, J 1-2With R 1, R 3And R * 1Series connection, switching controls bidirectional triode thyristor T 1The control pole tension), inverter ic 4069 (1,2 and BG 2Make BG 1Path, 3,4,5 form oscillator), diode D 1, D 2, D 3, voltage stabilizing didoe D 5, resistance R 4, R 5, R 6, R 7, R 8, R 9, R 10, R 11, R 12, capacitor C 2, C 3, C 4, C 5, C 6(C 5And R 7Form delay circuit, the interference at the critical place that reduces to report to the police), variable resistor R * 2(R * 2Replaceable is phototriode G 5), buzzer X forms; The photometry part is by phototriode G 2, diode D 4, triode BG 3, BG 4, BG 5, resistance R 13, R 14, R 15, R 16, R 17, R 18, capacitor C 7, light-emitting diode G 3, G 4(G 3And G 4Replaceable is electronic pointer G 6) form.
2, the described global function sight protectio of claim 1 desk lamp is characterized in that phototriode G 1Be fixed on the interior base portion of small sleeve ［ 3 ］, small sleeve ［ 3 ］ is fixed on last and 15 ° of-25 ° of angles of desk lamp Lamp housing ［ 4 ］ formation of desk lamp Lamp housing ［ 4 ］, and the 25 °-45 of taking back.
3, the described global function sight protectio of claim 1 desk lamp is characterized in that phototriode G 5Be fixed on small sleeve ［ 6 ］ base portion, small sleeve ［ 6 ］ is fixed in the Desk lamp feet shell ［ 2 ］ and forms 15 ° of-25 ° of angles with the bottom surface, and the 25 °-45 of taking back.
4, the described global function sight protectio of claim 1 desk lamp is characterized in that phototriode G 2, light-emitting diode G 3, G 4(or electronic pointer G 6) be fixed on the Desk lamp feet shell ［ 2 ］.
CN 92224126 1992-05-29 1992-05-29 Multi-function vision protection desk lamp Expired - Fee Related CN2127459Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 92224126 CN2127459Y (en) 1992-05-29 1992-05-29 Multi-function vision protection desk lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 92224126 CN2127459Y (en) 1992-05-29 1992-05-29 Multi-function vision protection desk lamp

Publications (1)

Publication Number Publication Date
CN2127459Y true CN2127459Y (en) 1993-02-24

Family

ID=33769520

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 92224126 Expired - Fee Related CN2127459Y (en) 1992-05-29 1992-05-29 Multi-function vision protection desk lamp

Country Status (1)

Country Link
CN (1) CN2127459Y (en)

Similar Documents

Publication Publication Date Title
US7182489B2 (en) Electrical candle lamp
US4985661A (en) Uninterrupted desk lamp
US6315431B1 (en) Pull chain with light
CN2127459Y (en) Multi-function vision protection desk lamp
US5717964A (en) Camera exposure apparatus having flash tubes for correcting for overexposure
CN213906995U (en) Multifunctional self-induction table lamp
US2625863A (en) Testing device for flash cameras
US4855647A (en) Flashlight with soft turn on control
CN205584583U (en) Indoor dimming system
CN215297497U (en) Backlight circuit and electric energy meter with same
JPS58114474A (en) Display device
CN211138780U (en) Pen with lighting function
CN210137472U (en) Automatic control circuit of electronic lantern
CN2114754U (en) Multi-function nearsight-proof desk lamp
CN210518930U (en) LED emergency lamp
US20050062442A1 (en) Dimming adjusting/controlling device of an illuminator
US20230175659A1 (en) Lighting assembly having motion effects
CN211240185U (en) Lamp source control circuit and candle lamp
SU1127557A1 (en) Fishing disk
CN2064004U (en) Photo-controlled myopia-proof table lamp
US20030146717A1 (en) Light string control device
CN2204473Y (en) Sound-light double-control lamp cap
JPS5784442A (en) Flash photographing device of ttl metering system
CN202040723U (en) Folding multifunctional desk lamp
CN87208378U (en) Multi-functional flashlight

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee