CN201153101Y - HID sending light - Google Patents
HID sending light Download PDFInfo
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- CN201153101Y CN201153101Y CNU2007201130597U CN200720113059U CN201153101Y CN 201153101 Y CN201153101 Y CN 201153101Y CN U2007201130597 U CNU2007201130597 U CN U2007201130597U CN 200720113059 U CN200720113059 U CN 200720113059U CN 201153101 Y CN201153101 Y CN 201153101Y
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- circuit
- shot
- light
- power metal
- hid
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Abstract
The utility model discloses an HID spotlight which comprises a spotlight head, a lamp holder, a low-power metal halid luminous source and a low-power metal halid lamp electronic ballast. The low-power metal halid luminous source is arranged in the spotlight head; the low-power metal halid lamp electronic ballast is arranged in the lamp holder; the low-power metal halid luminous source is connected with the low-power metal halid electronic ballast. The HID spotlight has the advantages of high luminous brightness, obvious energy-saving effect, good photochromic performance, little environmental pollution, long service life, etc., and can be applied to the fields, such as armed equipment, medical appliances, field search and rescue, civilian illumination, etc.
Description
Technical field
The utility model relates to a kind of metal halide lamp, especially a kind of extra small power (10W) metal halide shot-light.
Background technology
Metal halide lamp is called for short Metal halogen lamp, claims the HID lamp again, is the energy-efficient green light source of the third generation after incandescent lamp and fluorescent lamp.The luminous efficiency of Metal halogen lamp is 4 times of tungsten halogen lamp, and the life-span is 10 times of tungsten halogen lamp, and color rendering is better, is the perfect light source that substitutes traditional tungsten halogen lamp.Existing shot-light all adopts tungsten halogen lamp as light emitting source, compares with Metal halogen lamp, and it exists the shortcoming that luminous efficiency is low, the life-span is short, color rendering is relatively poor.Thereby Metal halogen lamp is used for shot-light, can obviously improve its performance.But because metal halide lamp power is more little, its specification requirement is also high more, and the following metal halide lamp production of present domestic 35W still belongs to blank.Simultaneously,, must join ballast during use and could work, and existing Metal halogen lamp use all is inductance type ballast because Metal halogen lamp has dynatron effect, it not only volume greatly, Heavy Weight, and efficient is extremely low, can not start fast.Thereby, Metal halogen lamp is applied to shot-light, also must make corresponding techniques and improve.
Summary of the invention
Technical problem to be solved in the utility model be to propose a kind of brightness height, energy-saving effect obvious, photochromic good, the life-span long, the very little HID shot-light of environmental pollution.
For solving the problems of the technologies described above, a kind of HID shot-light of the utility model comprises shot-light head, lamp socket, low power metal halide light emitting source and small-power metal halogen lamp electric ballast, described low power metal halide light emitting source is located in the described shot-light head, described small-power metal halogen lamp electric ballast is located in the described lamp socket, and described low power metal halide light emitting source links to each other with the conducting of described small-power metal halogen lamp electric ballast.
Above-mentioned a kind of HID shot-light, the tail end of described shot-light head is provided with electrode pins, and the connection lead-in wire of described low power metal halide light emitting source links to each other with described electrode pins, and described electrode pins is pegged graft with described ballast and is linked to each other.
Above-mentioned a kind of HID shot-light, described ballast is described lamp socket.
Above-mentioned a kind of HID shot-light, described small-power metal halogen lamp electric ballast comprises DC voltage booster circuit, rectification circuit, full bridge inverter, high-voltage triggering circuit and control circuit, described rectification circuit links to each other with described DC voltage booster circuit, described DC voltage booster circuit links to each other with described full bridge inverter, described full bridge inverter links to each other with high-voltage triggering circuit, described control circuit links to each other with full bridge inverter with described DC voltage booster circuit respectively, all by a slice Single-chip Controlling of described control circuit, single-chip microcomputer produces the PWM control impuls of DC voltage booster circuit and the low frequency control impuls of full-bridge inverter to entire circuit.
Above-mentioned a kind of HID shot-light, described DC voltage booster circuit adopts the single-ended flyback booster circuit, by high frequency transformer T
1, switching tube M
2, diode D
1With filter capacitor C
4Link to each other and form described switching tube M
2With described high frequency transformer T
1Input link to each other described diode D
1With described high frequency transformer T
1Output link to each other described filter capacitor C
4With described high frequency transformer T
1With diode D
1The two ends parallel connection in loop.
Above-mentioned a kind of HID shot-light, described single-chip microcomputer links to each other with the two ends of described full bridge inverter respectively by resistance R 3, R4, R5.
Above-mentioned a kind of HID shot-light, described rectification circuit constitutes low-pass filter circuit by L1, L2, C1, C2, C3, by metal-oxide-semiconductor M
1Constitute input protection to error-polarity connection circuit.
The utility model is owing to adopted technique scheme, it is applied to shot-light with the low power metal halide light emitting source, make the HID shot-light, has luminosity height (being equivalent to more than 10 times of common bulb luminous efficiency), energy-saving effect obviously (economizes on electricity more than 80% than common bulb under the same brightness condition), photochromic good (make the versicolor material of eye-observation more true to nature), environmental pollution very little (mercury use only be mercury lamp 1,/10 ten thousand), life-span plurality of advantages such as long (generally can more than 3000 hours) can be widely used in military hardware, medicine equipment, the open-air search and rescue, fields such as domestic lighting.The connection lead-in wire of low power metal halide light emitting source is pegged graft by electrode pins with the small-power metal halogen lamp electric ballast and linked to each other, and is not only simple in structure, and easy to connect.Small-power metal halogen lamp electric ballast when work, earlier the DC12V input voltage is boosted with DC voltage booster circuit, start moment at Metal halogen lamp and boost to 400V, mainly be convenient to high pressure and trigger.And when Metal halogen lamp entered stable state, the booster circuit output voltage was reduced to (for Metal halogen lamp pipe rated operational voltage) about 85V, and output voltage behind fast extensive diode rectification, becomes galvanic current again.In order to eliminate the acoustic resonance frequency phenomenon of Metal halogen lamp, Metal halogen lamp adopts the 200-500HZ square wave drive, and has added one-level low frequency full bridge inverter circuit for this reason.When utilizing the DC voltage booster circuit output open circuit, the transformer secondary produce up to the above peak voltage of 600V, charge to triggering electric capacity by isolating diode, when the electric capacity both end voltage surpasses 600V, high-voltage discharge tube punctures, and electric capacity is to the former edge discharge of high voltage package, is coupling in secondary through high voltage package and produces high pressure more than the 25KV, this high pressure directly is added in the two ends of Metal halogen lamp pipe, will start Metal halogen lamp immediately and start working.Therefore, it can play the ballast effect when Metal halogen lamp is worked, and can accelerate the start-up course of Metal halogen lamp, has that volume is little, in light weight, efficient is high, can realize Metal halogen lamp advantage such as startup fast, adapts to the application need of shot-light fully.Adopt the single-ended flyback booster circuit, the above peak voltage of the 600V that produces during underloading triggers the electric capacity charging to high pressure, has dwindled the volume of conventional high-tension bag.Single-chip microcomputer is by the input voltage and the input current of resistance R 3, R4, R5 sampling full-bridge inverter, can estimate when headlight power, and compare the PWM pulsewidth of regulating the DC-DC converter then with set point, carry out permanent power control, thereby prolonged the useful life of Metal halogen lamp.
Description of drawings
Fig. 1 is the mechanism structure schematic diagram of the utility model HID shot-light;
Fig. 2 is the circuit theory diagrams of small-power metal halogen lamp electric ballast.
Embodiment:
As shown in Figure 1, the utility model HID shot-light comprises shot-light head 1, lamp socket 2,10W low power metal halide light emitting source 3 and small-power metal halogen lamp electric ballast 4, the tail end of shot-light head 1 is provided with electrode pins 5,10W low power metal halide light emitting source 3 is located in the shot-light head 1, two connection lead-in wires of 10W low power metal halide light emitting source 3 link to each other with electrode pins 5, and electrode pins 5 is pegged graft with small-power metal halogen lamp electric ballast 4 and linked to each other.Ballast 4 is simultaneously as lamp socket 2, and both are same parts.
As shown in Figure 2, small-power metal halogen lamp electric ballast 4 is made up of rectification circuit (input filtering and polar protective circuit), DC voltage booster circuit, low frequency full bridge inverter circuit, high-tension ignition circuit (also being high-voltage triggering circuit) and control circuit five major parts.
1, DC voltage booster circuit
The stable state rated lamp power of low power metal halide light emitting source 3 only is 10W, the single-ended flyback booster circuit that optional for this reason circuit structure is simple, element is few.This partial circuit is mainly by high frequency transformer T
1, switching tube M
2, diode D
1, filter capacitor C
4Form switching tube M
2With high frequency transformer T
1Input link to each other diode D
1With high frequency transformer T
1Output link to each other filter capacitor C
4With high frequency transformer T
1With diode D
1The two ends parallel connection in loop.Obtain when Metal halogen lamp is started more high-powerly, reach the purpose of quick startup, can adopt two kinds of methods: a kind of is the control impuls of widening booster circuit, and this method control circuit is simple, but long-time broad pulse drives, and easily causes switching tube to damage; Another kind method is to adopt variable frequency starting, reduces switching frequency when promptly starting, thereby obtains high-power start, and the utility model adopts frequency variation method.
2, low frequency full bridge inverter circuit
Metal halide lamp easily extinguishes when starting, and acoustic resonance frequency easily takes place during stable state, and the consistency of domestic automobile Metal halogen lamp is also relatively poor in addition, so the utility model employing full-bridge type inverter circuit, and it is mainly by M
3, M
4, M
5, M
6Constitute bridge inverter main circuit, by single-chip microcomputer IC
1Produce two-way inversion pulse, by IC
3, IC
4Drive and amplify, the reverse frequency during stable state is 400HZ.
3, high-tension ignition circuit (being high-voltage triggering circuit)
Ignition voltage needs about 5KV during the Metal halogen lamp cold conditions, when hot ignition voltage about 22KV, in order to produce the 22KV high pressure, commonly used at present at step-up transformer T
1Secondary add step-up coil, perhaps with secondary independently transformer constitute firing circuit, the shortcoming of these two kinds of methods is to have increased the complexity and the step-up transformer T of circuit
1Volume.We know, the single-ended flyback converter will form very high peak voltage in switch moment of each switch periods at the load open circuit state, therefore, this circuit utilize this peak voltage pulse (＞600V), pass through capacitor C
5, D
3To C
6Capacitor C is worked as in charging
6When last voltage reaches the 600V left and right sides, gas discharge tube D
4Puncture, thereby at transformer T
2Former limit adds a 600V voltage, by transformer coupled, produces the pulse voltage more than the 22KV at its secondary.
4, control circuit
Control circuit is except that producing the high-frequency impulse that two road low frequency full bridge inversion pulses and No. one booster circuit use; also must finish functions such as the under-voltage overvoltage protection of input, output open circuit, output short circuit protection, we select for use the single-chip microcomputer of a slice Freescale company to finish relevant calculation and control for this reason.R
1, R
2Be mainly used in the input battery voltage sampling, R
3, R
4Be mainly used in the sampling of inverter bridge DC input voitage, R
5Be mainly used in the sampling of inverter bridge direct current input current, IC
2, IC
3, IC
4Be used for pulsed drive.Lamp power is mainly according to inverter bridge input voltage V
OfWith input current I
OfValue of feedback decision, that is: P
L=V
Of* I
Of, when the lamp power P
LWhen surpassing setting power upper limit 11W, booster converter switching tube M
2The width of grid control impuls diminishes, when the lamp power P
LWhen being lower than setting power lower limit 9W, it is big that pulse duration becomes.
5, input filtering and polar protective circuit
In order to prevent electric ballast when work, especially other electronic equipment on the automobile is produced disturb starting moment, by L
1, L
2, C
1, C
2, C
3Constitute low-pass filter circuit, metal-oxide-semiconductor M
1Be mainly used in the input protection to error-polarity connection.
Claims (7)
1, a kind of HID shot-light, comprise shot-light head and lamp socket, it is characterized in that, it also comprises low power metal halide light emitting source and small-power metal halogen lamp electric ballast, described low power metal halide light emitting source is located in the described shot-light head, described small-power metal halogen lamp electric ballast is located in the described lamp socket, and described low power metal halide light emitting source links to each other with the conducting of described small-power metal halogen lamp electric ballast.
2, a kind of HID shot-light as claimed in claim 1, it is characterized in that, the tail end of described shot-light head is provided with electrode pins, and the connection lead-in wire of described low power metal halide light emitting source links to each other with described electrode pins, and described electrode pins is pegged graft with described ballast and linked to each other.
3, a kind of HID shot-light as claimed in claim 1 or 2 is characterized in that described ballast is described lamp socket.
4, a kind of HI D shot-light as claimed in claim 1 or 2, it is characterized in that, described small-power metal halogen lamp electric ballast comprises DC voltage booster circuit, rectification circuit, full bridge inverter, high-voltage triggering circuit and control circuit, described rectification circuit links to each other with described DC voltage booster circuit, described DC voltage booster circuit links to each other with described full bridge inverter, described full bridge inverter links to each other with high-voltage triggering circuit, described control circuit links to each other with full bridge inverter with described DC voltage booster circuit respectively, all by a slice Single-chip Controlling of described control circuit, single-chip microcomputer produces the PWM control impuls of DC voltage booster circuit and the low frequency control impuls of full-bridge inverter to entire circuit.
5, a kind of HID shot-light as claimed in claim 4 is characterized in that, described DC voltage booster circuit adopts the single-ended flyback booster circuit, by high frequency transformer T
1, switching tube M
2, diode D
1With filter capacitor C
4Link to each other and form described switching tube M
2With described high frequency transformer T
1Input link to each other described diode D
1With described high frequency transformer T
1Output link to each other described filter capacitor C
4With described high frequency transformer T
1With diode D
1The two ends parallel connection in loop.
6, a kind of HID shot-light as claimed in claim 4 is characterized in that, described single-chip microcomputer links to each other with the two ends of described full bridge inverter respectively by resistance R 3, R4, R5.
7, a kind of HID shot-light as claimed in claim 4 is characterized in that described rectification circuit constitutes low-pass filter circuit by L1, L2, C1, C2, C3, by metal-oxide-semiconductor M
1Constitute input protection to error-polarity connection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201130597U CN201153101Y (en) | 2007-08-10 | 2007-08-10 | HID sending light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201130597U CN201153101Y (en) | 2007-08-10 | 2007-08-10 | HID sending light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201153101Y true CN201153101Y (en) | 2008-11-19 |
Family
ID=40128776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201130597U Expired - Fee Related CN201153101Y (en) | 2007-08-10 | 2007-08-10 | HID sending light |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201153101Y (en) |
-
2007
- 2007-08-10 CN CNU2007201130597U patent/CN201153101Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081119 Termination date: 20150810 |
|
| EXPY | Termination of patent right or utility model |