CN1548801A - Stepless adjustable lighting equipment - Google Patents
Stepless adjustable lighting equipment Download PDFInfo
- Publication number
- CN1548801A CN1548801A CNA03116885XA CN03116885A CN1548801A CN 1548801 A CN1548801 A CN 1548801A CN A03116885X A CNA03116885X A CN A03116885XA CN 03116885 A CN03116885 A CN 03116885A CN 1548801 A CN1548801 A CN 1548801A
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- light
- emitting device
- lighting apparatus
- stepless
- adjustable lighting
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Abstract
The stepless adjustable lighting equipment includes base seat with through hole, movable lighting unit penetrating the through hole to emit light, reflector fixed to the base seat to collect and reflect the light, and stepless regulating mechanism to shift the lighting unit in stepless mode so as to regulate the relative position between the lighting unit and the reflector.
Description
Technical field
The invention relates to a kind of lighting apparatus, especially about a kind of lighting apparatus that utilizes the mode of not having section to adjust light angle.
Background technology
The headlight that general vehicle is used mainly is to adopt the bulb with two tungsten filaments, perhaps uses two bulbs to be used as the switching of high beam and dipped headlights.The bulb of two tungsten filaments can't be reached the effect of high brightness and low power consumption, and uses the practice of two bulbs to use one group of lampshade more, makes cost effectively to reduce.
Fig. 1 and Fig. 2 show a kind of existing headlight of using magnetic valve to switch high beam and dipped headlights.As shown in Figure 1, existing headlight 100 comprises a pedestal 101, a fluorescent tube 102, a magnetic valve 103, a spring 104 and a speculum 105.Be formed with an open-work 106 on the pedestal 101, pass wherein for fluorescent tube 102.The light that fluorescent tube 102 sends is by speculum 105 reflection outputs.See through the relative position of adjusting fluorescent tube 102 and speculum 105, promptly changeable high beam and dipped headlights.Magnetic valve 103 is adjusted the position of fluorescent tube 102 in two sections mode, relies on the relative position of adjusting fluorescent tube 102 and speculum 105, causes the effect of high beam and dipped headlights switching.Spring 104 provides fluorescent tube 102 elastic restoring force up, relies on not do the time spent at magnetic valve, and fluorescent tube 102 is pushed back original position.Suppose Figure 1 shows that the state of dipped headlights, magnetic valve 103 does not act on, and fluorescent tube 102 then Figure 2 shows that the high beam state relatively away from pedestal 101, and magnetic valve 103 overcomes the strength of spring 104 and fluorescent tube 102 is down attracted, and makes fluorescent tube 102 relatively near pedestal 101.
Fig. 3 shows the schematic diagram of the illumination zone of existing headlight.As shown in Figure 3, the main light spot of the dipped headlights pattern of headlight 100 is at P1, and the main light spot of high beam pattern is at P2.The user only can be adjusted at P1 or P2 with main luminous point, main luminous point can't be adjusted at P1 and P2 other zone in addition.When the speed of a motor vehicle when for example 40km/hr is following, using dipped headlights to throw light on gets final product, and the speed of a motor vehicle uses the scope that dipped headlights threw light on can't reach optimal illumination when not having vehicle in more than the 100km/hr and the place ahead one segment distance for example, and be preferred mode with the high beam illumination this moment then.
When the speed of a motor vehicle there is no vehicle in for example 70km/hr and the place ahead one segment distance, may be to be good to be situated between at high beam and dipped headlights.In addition, when vehicle travelled mountain road, then the user may be the light illumination mode that comes closely than dipped headlights to the lighting demand in headlight.Yet prior art but can't satisfy the demand.General vehicle only provides multistage adjustable rearview mirror, adjusts for the different users, does not but provide multistage adjustable headlight, for the user because of adjusting in different driving situations.
In addition, when vehicle when advancing, use magnetic valve to do the control of far and near lamp, also can be bad and make magnetic valve effect bad (misoperation) along with road conditions.And in above-mentioned conventional example, when needs used high beam for a long time, magnetic valve must be energized always, and this measure then is the waste power supply.
Summary of the invention
Therefore, an object of the present invention is to provide the adjustable lighting apparatus of a kind of nothing section, use the illuminating position of adjusting lighting apparatus for the user according to the different situation section of nothing ground.
Another object of the present invention provides a kind of adjustable lighting apparatus of no section that can effectively avoid misoperation and effectively save power supply.
For reaching above-mentioned purpose, the invention provides the adjustable lighting apparatus of a kind of nothing section, it comprises a pedestal, a light-emitting device, a speculum and a stepless guiding mechanism.Pedestal has an open-work, and light-emitting device is to run through this open-work movably, in order to emit beam.Speculum is around being fixed on this pedestal, in order to collect this light and this light reflection is exported.The stepless guiding mechanism is to move this light-emitting device in the mode of not having section, relies on stepless to adjust the relative position of this light-emitting device and this speculum.
In one embodiment, this stepless guiding mechanism can comprise: a cam is subjected to drive rotation to move this light-emitting device; One gear train is made up of a worm screw and a worm gear, in order to drive this cam rotation; And a motor, drive this gear train.
In another embodiment, this stepless guiding mechanism can comprise: a nut is fixed on this pedestal; One screw rod cooperates with this nut, and is subjected to drive rotation to move this light-emitting device; And a motor, drive this screw rod rotation.
In another embodiment again, this stepless guiding mechanism can comprise: a tooth bar is fixed on this light-emitting device; One gear with this tooth bar engagement, and is subjected to drive rotation to move this light-emitting device; And a motor, drive this gear rotation.
Description of drawings
Fig. 1 and Fig. 2 show a kind of existing headlight of using magnetic valve to switch high beam and dipped headlights;
Fig. 3 shows the schematic diagram of the illumination zone of existing headlight;
Fig. 4 shows the schematic diagram of the illumination zone of lighting apparatus of the present invention;
Fig. 5 shows the schematic diagram according to the lighting apparatus of first embodiment of the invention;
Fig. 6 shows first state according to the lighting apparatus of first embodiment of the invention;
Fig. 7 shows second state according to the lighting apparatus of first embodiment of the invention;
Fig. 8 shows the third state according to the lighting apparatus of first embodiment of the invention;
Fig. 9 shows the schematic diagram according to the lighting apparatus of second embodiment of the invention;
Figure 10 shows the schematic diagram according to the lighting apparatus of third embodiment of the invention.
The specific embodiment
Though the present invention is to be starting point with the headlight, the present invention also is useful in other lighting device, such as fog lamp, art lamp, searchlight etc.
Fig. 4 shows the schematic diagram of the illumination zone of lighting apparatus of the present invention.As shown in Figure 4, the illumination zone of the main light of lighting apparatus 10 of the present invention is between luminous point P0 to P3, and can be adjusted at P0 and P3 between any point (such as P4), with should various demand.So, illumination zone can enlarge, and light angle can variation.
Fig. 5 shows the schematic diagram according to the lighting apparatus of first embodiment of the invention.See also Fig. 5, this does not have the adjustable lighting apparatus 10 of section and comprises a pedestal 11, a light-emitting device 13, a speculum 14, reaches a stepless guiding mechanism 20.Pedestal 11 has an open-work 12, and light-emitting device 13 (can be bulb, fluorescent tube etc.) runs through this open-work 12 movably, in order to emit beam.Speculum 14 is around being fixed on this pedestal 11, in order to collect this light and this light reflection is exported.Stepless guiding mechanism 20 is to move this light-emitting device 13 in the mode of not having section, relies on stepless to adjust the top 19 of this light-emitting device 13 and the distance of this pedestal 11, also, adjusts the relative position of this light-emitting device 13 and this speculum 14.
This light-emitting device 13 has a driven contact site 15.The adjustable lighting apparatus 10 of this nothing section more comprises a spring 16, and these light-emitting device 13 parts are passed this spring 16, and this spring 16 has one first end 17 and one second end 18, and this first end 17 contacts with this pedestal 11, and this second end 18 contacts with this driven contact site 15.
The motor 22 of this stepless guiding mechanism 20 is driven gear 23 and 24, worm screw 25, worm gear 26, gear 28 and 29 and cam 21 rotations in regular turn.Cam 21 is subjected to drive rotation and contacts with driven contact site 15, to move this light-emitting device 13.Spring 16 is forever to contact with cam 21 in order to driven contact site 15 is held in.By the contour curve of design cam 21, can provide does not have the adjustable lighting apparatus 10 of section.
In addition, cam 21 also can be directly by motor 22 driven rotary.Perhaps, see through motor 22 and the gear train of being formed by worm screw 25 and worm gear 26 27, also can directly drive cam 21 rotations, and not limit at transmission mechanism shown in Figure 5.
Fig. 6 to Fig. 8 shows three kinds of states according to the lighting apparatus of first embodiment of the invention.As shown in Figure 6, cam 21 makes the top 19 of light-emitting device 13 and the distance of pedestal 11 be minimum, the decrement minimum of spring 16 with driven contact site 15 state of contact.As shown in Figure 7, cam 21 makes the top 19 of light-emitting device 13 and the distance of pedestal 11 be maximum, the decrement maximum of spring 16 with driven contact site 15 state of contact.As shown in Figure 8, cam 21 and driven contact site 15 state of contact make the distance of the top 19 of light-emitting device 13 and pedestal 11 between maximum and minimum of a value, and the decrement of spring 16 is between maximum and minimum of a value.
Therefore, by the rotation of control motor 22, can control the position of luminous point of the main light of light-emitting device 13.It should be noted that in the present embodiment motor 22 can provide the function of just changeing and reversing, also can only provide the function of just changeing, so can simplify circuit design.
Moreover by the combination of worm screw 25 and worm gear 26, huge vibration can not make stepless guiding mechanism 20 produce misoperation yet, nor need continue to provide power supply to motor 22.
Except the stepless guiding mechanism of above-mentioned use cam, also can adopt other stepless guiding mechanism.Fig. 9 shows the schematic diagram according to the lighting apparatus of second embodiment of the invention.As shown in Figure 9, the stepless guiding mechanism 30 of the lighting apparatus of present embodiment comprises a nut 31, a screw rod 32 and a motor 33.This nut 31 is to be fixed on this pedestal 11, and this screw rod 32 is to cooperate with this nut 31, and is subjected to drive rotation to move this light-emitting device 13.This motor 33 drives this screw rod 32 rotations, relies on the top 19 of adjustment light-emitting device 13 and the distance of pedestal 11.
Figure 10 shows the schematic diagram according to the lighting apparatus of third embodiment of the invention.As shown in figure 10, the stepless guiding mechanism 40 of the lighting apparatus of present embodiment comprises a tooth bar 41, a gear 42 and a motor 43.This tooth bar 41 is fixed on this light-emitting device 13, this gear 42 and these tooth bar 41 engagements, and be subjected to drive rotation to move this light-emitting device 13.And this motor 43 drives this gear 42 rotations, relies on the top 19 of adjustment light-emitting device 13 and the distance of pedestal 11.
The specific embodiment that is proposed in the detailed description of preferred embodiment is only in order to convenient explanation technology contents of the present invention, but not with narrow sense of the present invention be limited in the foregoing description, in the situation that does not exceed spirit of the present invention and following claim, the many variations of being done is implemented, and all belongs to scope of the present invention.
The explanation of assembly conventional letter:
10 ~ nothing section adjustable illuminating apparatus
11 ~ pedestal
12 ~ open-work
13 ~ light-emitting device
14 ~ speculum
15 ~ driven contact site
16 ~ spring
17 ~ first end
18 ~ the second ends
19 ~ top
20,30,40 ~ stepless guiding mechanism
21 ~ cam
22 ~ motor
23,24,28,29 ~ gear
25 ~ worm screw
26 ~ worm gear
27 ~ gear train
31 ~ nut
32 ~ screw rod
33 ~ motor
41 ~ tooth bar
42 ~ gear
43 ~ motor
100 ~ headlight
101 ~ pedestal
102 ~ fluorescent tube
103 ~ magnetic valve
104 ~ spring
105 ~ speculum
106 ~ open-work
Claims (9)
1. one kind is not had the adjustable lighting apparatus of section, it is characterized in that, comprises:
Pedestal has an open-work;
Light-emitting device runs through this open-work movably, in order to emit beam;
Speculum is around being fixed on this pedestal, in order to collect this light and this light reflection is exported;
The stepless guiding mechanism moves this light-emitting device in the mode of not having section, relies on stepless to adjust the relative position of this light-emitting device and this speculum.
2. the adjustable lighting apparatus of nothing section as claimed in claim 1 is characterized in that wherein this stepless guiding mechanism comprises:
Cam is subjected to drive rotation to move this light-emitting device.
3. the adjustable lighting apparatus of nothing section as claimed in claim 2 is characterized in that wherein this stepless guiding mechanism more comprises:
Motor drives this cam rotation.
4. the adjustable lighting apparatus of nothing section as claimed in claim 2 is characterized in that wherein this stepless guiding mechanism more comprises:
Gear train drives this cam rotation;
Motor drives this gear train.
5. the adjustable lighting apparatus of nothing section as claimed in claim 4 is characterized in that wherein this gear train comprises:
Worm screw is driven by this motor;
Worm gear is subjected to this worm drive.
6. the adjustable lighting apparatus of nothing section as claimed in claim 2 is characterized in that wherein this light-emitting device has the driven contact site that contacts with this cam.
7. the adjustable lighting apparatus of nothing section as claimed in claim 6 is characterized in that, more comprises a spring, this light-emitting device partly passes this spring, this spring has first end and second end, and this first end contacts with this pedestal, and this second end contacts with this driven contact site.
8. the adjustable lighting apparatus of nothing section as claimed in claim 1 is characterized in that wherein this stepless guiding mechanism comprises:
Nut is fixed on this pedestal;
Screw rod cooperates with this nut, and is subjected to drive rotation to move this light-emitting device;
Motor drives this screw rod rotation.
9. the adjustable lighting apparatus of nothing section as claimed in claim 1 is characterized in that wherein this stepless guiding mechanism comprises:
Tooth bar is fixed on this light-emitting device;
Gear with this tooth bar engagement, and is subjected to drive rotation to move this light-emitting device;
Motor drives this gear rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA03116885XA CN1548801A (en) | 2003-05-13 | 2003-05-13 | Stepless adjustable lighting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA03116885XA CN1548801A (en) | 2003-05-13 | 2003-05-13 | Stepless adjustable lighting equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1548801A true CN1548801A (en) | 2004-11-24 |
Family
ID=34320512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA03116885XA Pending CN1548801A (en) | 2003-05-13 | 2003-05-13 | Stepless adjustable lighting equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1548801A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102052571B (en) * | 2009-10-27 | 2012-03-07 | 海洋王照明科技股份有限公司 | Control system for vehicle-mounted lamp |
-
2003
- 2003-05-13 CN CNA03116885XA patent/CN1548801A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102052571B (en) * | 2009-10-27 | 2012-03-07 | 海洋王照明科技股份有限公司 | Control system for vehicle-mounted lamp |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |