CN203517473U

CN203517473U - Folding LED table lamp

Info

Publication number: CN203517473U
Application number: CN201320576734.5U
Authority: CN
Inventors: 金亦君
Original assignee: Fenghua City Jin Yuan Electronics Co Ltd
Current assignee: Zhejiang Jinyuan Photoelectric Co., Ltd.
Priority date: 2013-09-17
Filing date: 2013-09-17
Publication date: 2014-04-02
Anticipated expiration: 2023-09-17

Abstract

The utility model discloses a folding LED table lamp which comprises a body, a lamp body and a base. The lamp body is hinged to the upper end of the body through a pin shaft, the lower end of the body is rotatably arranged on the base in a covering mode, an annular gear is arranged on the inner side wall of the base, a driven gear is arranged on the pin shaft in a sleeved mode, a transmission shaft is erected in the body, a first transmission gear and a second transmission gear are arranged at the two ends of the transmission shaft respectively, the second transmission gear is meshed with the driven gear, a first stepping motor, a second stepping motor and a control circuit board are fixedly arranged in the body, a first driving gear is arranged on a rotating shaft of the first stepping motor, a second driving gear is arranged on a rotating shaft of the second stepping motor, the first driving gear is meshed with the annular gear, the second driving gear is meshed with the first transmission gear, and a control chip used for storing motor rotating parameter values is arranged on the control circuit board. The folding LED table lamp can be automatically folded and unfolded when used, and the lamp body can be automatically adjusted to a proper illumination angle.

Description

A kind of foldable LED desk lamp

Technical field

The utility model relates to LED desk lamp technical field, especially relates to a kind of intelligent foldable LED desk lamp of controlling.

Background technology

LED is widely used in lighting apparatus as emitting semiconductor electronic component, and its power consumption is less, energy saving.Desk lamp is electric lighting conventional in daily life, and along with scientific and technological development, LED desk lamp has substituted traditional desk lamp and also to people's live and work, brought great convenience.

Occurred in the market various informative LED desk lamp, wherein foldable LED desk lamp is collapsible, and volume is small and exquisite, is easy to carry and takes in, very popular, and foldable LED desk lamp also forms a kind of fashion trend gradually.

But existing foldable LED desk lamp is folding and open and all need manual operation, and need to be manually adjusted to applicable light angle while opening and using at every turn, use operation all more loaded down with trivial details at every turn, therefore to people, cause inconvenience.

Summary of the invention

For the deficiency of above-mentioned prior art existence, the purpose of this utility model will provide a kind of intelligent foldable LED desk lamp of controlling, and during use, can be adjusted to applicable light angle with opening also by auto-folder, simple to operate, convenient and practical.

To achieve these goals, the technical scheme that the utility model adopts is:

A kind of foldable LED desk lamp, comprise body, lamp body and base, lamp body is hinged by the upper end of bearing pin and body, the lower end of body covers on base rotationally, the madial wall of described base is provided with annular ring gear, on described bearing pin, is arranged with driven gear, and described body internal frame is provided with power transmission shaft, the two ends of power transmission shaft are respectively equipped with the first travelling gear and the second travelling gear, the second travelling gear and driven gear engagement; In described body, be fixed with the first stepper motor, the second stepper motor and control described the first stepper motor and the control circuit board of described the second stepper motor running, the rotating shaft of the first stepper motor is provided with the first driven wheel, the rotating shaft of the second stepper motor is provided with the second driven wheel, the first driven wheel and ring gear engagement, the second driven wheel and the engagement of the first travelling gear; Described control circuit board is provided with for storing the control chip of described the first stepper motor and described the second stepping electric machine rotation parameter value.

Wherein, described bearing pin consists of female pin and the docking of male pin.Between described body and described base, be provided with plane bearing.Described body is spliced to form by procapsid and back casing.The lower surface of described base is provided with sucker or magnet.

Further, described body is provided with the fingerprint identification device being electrically connected to described control circuit board, and the first stepper motor that the fingerprint parameter value that fingerprint identification device recognizes and control chip are stored and the rotational parameters value of the second stepper motor are shone upon one by one.

Adopt after technique scheme, the advantage that compared to the prior art the utility model had is:

Foldable LED desk lamp described in the utility model, the first stepper motor drives body to rotate relative to base under the control of control circuit board, for regulating the horizontal irradiation angle of lamp body, the second stepper motor drives lamp body to rotate relative to body under the control of control circuit board, for regulating the vertical irradiating angle of lamp body.Control circuit board is provided with for storing the control chip of the first stepper motor and the second stepping electric machine rotation parameter value, while using first, lamp body is adjusted to suitable light angle, now the rotational parameters β of the rotational parameters α of the first stepper motor and the second stepper motor is stored to control chip, during each use later, control circuit board is by the electric machine rotation parameter value [α automatically transferring in control chip, β] control the first stepper motor and the second stepping electric machine rotation to this electric machine rotation parameter value [α, β] corresponding position, thereby realize the function that automatically regulates lamp body irradiation angle.This foldable LED desk lamp adopts stepper motor to drive lamp body overturn to realize auto-folder and automatically open, and can automatically regulate the horizontal direction of lamp body and the irradiating angle on vertical direction, irradiating angle without manual unlocking or folding lamp body and manual adjustments lamp body, the function of its intelligentized control and hommization has solved many puzzlements that people use foldable LED desk lamp, easy to operate and practical, can bring the enjoyment of people's use and happy mood.

Accompanying drawing explanation

Below in conjunction with drawings and Examples, the utility model is further illustrated:

Fig. 1: the structural representation of the utility model open mode.

Fig. 2: the structural representation of another angle open mode of the utility model.

Fig. 3: the structural representation of the utility model decomposing state.

Fig. 4: the utility model is partly analysed and observe the structural representation of state.

Fig. 5: the structural representation of the utility model folded state.

In figure, 1: lamp body; 11:LED illuminator; 12: hinged block; 2: body; 21: procapsid; 22: back casing; 23: Connection Block; 24: end cap; 3: base; 31: sucker; 4: fingerprint identification device; 5: bearing pin; 51: female pin; 52: male pin; 53: axle sleeve; 61: driven gear; 62: the second travelling gears; 63: the second driven wheels; 64: the first travelling gears; 65: the first driven wheels; 66: ring gear; 71: power transmission shaft; 72: control circuit board; 73: plane bearing; 81: the first stepper motors; 82: the second stepper motors.

The specific embodiment

The following stated is only preferred embodiment of the present utility model, does not therefore limit protection domain of the present utility model.

Embodiment, see shown in Fig. 1 to Fig. 5: a kind of foldable LED desk lamp, comprise body 2, lamp body 1 and base 3, lamp body 1 is provided with LED illuminator 11, lamp body 1 is hinged with the upper end of body 2 by bearing pin 5, and the lower end of body 2 covers on base 3 rotationally, between body 2 and base 3, is provided with plane bearing 73, plane bearing 73 is for base 3 supporting bodies 2 and can make body 2 relative to base 3, to rotate smoothly, and the upper end of body 2 is arranged with the end cap 24 that can cover bearing pin 5.

The lower surface of base 3 is provided with sucker 31, and for this foldable LED desk lamp is adsorbed on to table top securely, the lower surface of base 3 also can arrange magnet certainly, makes this foldable LED desk lamp adopt magnetic absorption mode to be adsorbed on table top securely.

Body 2 is spliced to form by procapsid 21 and back casing 22, the both sides on body 2 tops are provided with the Connection Block 23 of protrusion, in Connection Block 23, be arranged with axle sleeve 53, the both sides of lamp body 1 are provided with the hinged block 12 corresponding with both sides Connection Block 23 difference, bearing pin 5 consists of

female pin

51 and 52 docking of male pin, and female pin 51 and male pin 52 are fixedly plugged in one through hinged block 12, Connection Block 23 and axle sleeve 53 respectively successively.

The madial wall of base 3 is provided with annular ring gear 66, on bearing pin 5, be arranged with driven gear 61, bearing pin 5 and driven gear 61 are synchronizeed rotation with lamp body 1, in body 2, be provided with axle bed, power transmission shaft 71 is set up on axle bed, the two ends of power transmission shaft 71 are respectively equipped with the first travelling gear 64 and the second travelling gear 62, the second travelling gears 62 and driven gear 61 engagements.

In body 2, be fixed with the first stepper motor 81, the control circuit board 72 of the second stepper motor 82 and control the first stepper motor 81 and the second stepper motor 82 runnings, the first stepper motor 81 and the second stepper motor 82 have self-locking mechanism, when decommissioning, the first stepper motor 81 and the second stepper motor 82 can lock and keep lamp body 1 upset open angle and body 2 rotational angles, the rotating shaft of the first stepper motor 81 is provided with the first driven wheel 65, the rotating shaft of the second stepper motor 82 is provided with the second driven wheel 63, the first driven wheel 65 and ring gear 66 engagements, the second driven wheel 63 and the first travelling gear 64 engagements.

The first stepper motor 81, the first driven wheel 65 and ring gear 66 form the first transmission mechanism that body 2 rotates relative to base 3, the gear contracting of ring gear 66 and the first driven wheel 65 is than being 3:1, and the first transmission mechanism can be used for regulating lamp body 1 irradiating angle in the horizontal direction.The second stepper motor 82, the second driven wheel 63, the first travelling gear 64, power transmission shaft 71, the second travelling gear 62 and driven gear 61 form the second transmission mechanism of relative body 2 upsets of lamp body 1, the wheel of the first transmission is 10:1 with the gear contracting ratio of the second driven wheel 63, therefore the second transmission mechanism has double reduction, make the second stepper motor 82 can utilize less torque to drive relative body 2 upsets of lamp body 1, the second transmission mechanism can be used for regulating the irradiating angle of lamp body 1 in the vertical direction.

Control circuit board 72 is provided with for storing the control chip of the first stepper motor 81 and the second stepper motor 82 rotational parameters values.Body 2 is provided with the upper and lower, left and right that are electrically connected to control circuit board 72 and controls button, and left and right control is entered motor 81 forward or reverse by the key control first step, thereby control body 2, relative to base 3, rotates; Upper and lower control is entered motor 82 forward or reverse by key control second step, thereby controls relative body 2 upsets of lamp body 1.While using first, by upper and lower, left and right, controlling button regulates lamp body 1 to turn to suitable irradiating angle, now the rotational parameters β of the rotational parameters α of the first stepper motor 81 and the second stepper motor 82 is stored to control chip, during each use later, control circuit board 72 is by the electric machine rotation parameter value [α automatically transferring in control chip, β] control the first stepper motor 81 and the second stepper motor 82 turns to the corresponding position of this electric machine rotation parameter value [α, β].Rotational parameters α is the umber of pulse that control circuit board 72 is sent to the first stepper motor 81, the corner of the first stepper motor 81 is α times of its step angle, β is the umber of pulse that control circuit board 72 is sent to the second stepper motor 82, and the β that the corner of the second stepper motor 82 is its step angle doubly.For example: [α, β] is [30,100], the step angle of the first stepper motor 81 is π/30, and the step angle of the second stepper motor 82 is π/10, and the angle of rotation of the first stepper motor 81 is π so, and the angle of rotation of body 2 relative bases 3 is π/3; The step angle of the second stepper motor 82 is π/50, and the angle of rotation of the second stepper motor 82 is 2 π so, and the flip angle of lamp body 1 relative body 2 is π/5.

Further, body 2 is provided with the fingerprint identification device 4 being electrically connected to control circuit board 72, and the first stepper motor 81 that the fingerprint parameter value that fingerprint identification device 4 recognizes and control chip are stored and the rotational parameters value of the second stepper motor 82 are shone upon one by one.Control chip can store many group electric machine rotation parameter value [α, β], many group electric machine rotation parameter values and a plurality of fingerprint parameter value are set up mapping relations one by one, when using this foldable LED desk lamp, electric machine rotation parameter value that can be corresponding different according to different fingerprint typings, effect is to meet a plurality of people and uses the different requirements of this foldable LED desk lamp to lamp body 1 irradiating angle, and fingerprint identification device 4 also has and prevents that other people from using the effect of this foldable LED desk lamp.This foldable LED desk lamp can store at most 8 fingerprint parameter values, and control chip can store at most 8 groups of electric machine rotation parameter values.

Claims

1. a foldable LED desk lamp, comprises body (2), lamp body (1) and base (3), and lamp body (1) is hinged with the upper end of body (2) by bearing pin (5), and it is upper that the lower end of body (2) covers at base (3) rotationally, it is characterized in that:

The madial wall of described base (3) is provided with annular ring gear (66), on described bearing pin (5), be arranged with driven gear (61), described body (2) internal frame is provided with power transmission shaft (71), the two ends of power transmission shaft (71) are respectively equipped with the first travelling gear (64) and the second travelling gear (62), the second travelling gear (62) and driven gear (61) engagement;

In described body (2), be fixed with the first stepper motor (81), the second stepper motor (82) and control described the first stepper motor (81) and the control circuit board (72) of described the second stepper motor (82) running, the rotating shaft of the first stepper motor (81) is provided with the first driven wheel (65), the rotating shaft of the second stepper motor (82) is provided with the second driven wheel (63), the first driven wheel (65) and ring gear (66) engagement, the second driven wheel (63) and the first travelling gear (64) engagement;

Described control circuit board (72) is provided with for storing the control chip of described the first stepper motor (81) and described the second stepper motor (82) rotational parameters value.

2. foldable LED desk lamp according to claim 1, is characterized in that: described bearing pin (5) consists of female pin (51) and male pin (52) docking.

3. foldable LED desk lamp according to claim 1, is characterized in that: between described body (2) and described base (3), be provided with plane bearing (73).

4. foldable LED desk lamp according to claim 1, is characterized in that: described body (2) is spliced to form by procapsid (21) and back casing (22).

5. foldable LED desk lamp according to claim 1, is characterized in that: the lower surface of described base (3) is provided with sucker (31) or magnet.

6. according to the foldable LED desk lamp described in claim 1-5 any one, it is characterized in that: described body (2) is provided with the fingerprint identification device (4) being electrically connected to described control circuit board (72), the first stepper motor (81) that the fingerprint parameter value that fingerprint identification device (4) recognizes and control chip are stored and the rotational parameters value of the second stepper motor (82) are shone upon one by one.