TWI712759B - Lamp - Google Patents

Abstract

A lamp including a base, a first circuit board, a lamp post, a light source module and a gravity sensor is provided. The first circuit board is used to send out a control signal. The lamp post has a receiving slot and a first end and a second end located on opposite sides of the receiving slot, wherein the first end is assembled to the base. The light source module is pivotally arranged on the second end of the lamp post, and is capable of rotating relative to the lamp post. The light source module is electrically connected with the first circuit board to be controlled by the control signal. The gravity sensor is provided in the light source module and electrically connected with the first circuit board. When the gravity sensor senses that the light source module rotates to a first angle or a second angle relative to the lamp post, the first circuit board sends out the control signal to control the light source module to emit light at a first color temperature or at a second color temperature, wherein the first color temperature is different from the second color temperature.

Description

Lamps

The present invention relates to a lamp, and particularly relates to a lamp that can provide different color temperatures in different states.

With the change of life style, users' needs for lamps are not only lighting, but also create different situations and atmospheres through lighting, and even integrate the lighting of lamps with interior decoration.

Therefore, lamps that can provide different lighting effects according to different usage scenarios have their industrial needs.

The invention provides a lamp which can provide different color temperatures in different states.

The invention provides a lamp including a base, a first circuit board, a lamp post, a light source module and a gravity sensor. The first circuit board is used to send out the control signal; the lamp post has a receiving slot, and a first end and a second end located on opposite sides of the receiving slot, wherein the first end is assembled to the base; the light source module is pivoted on the second end of the lamp post At the end, it can be rotated relative to the lamp post to be screwed into or out of the containing groove. The light source module is electrically connected to the first circuit board to be controlled by the control signal; the gravity sensor is arranged on the light source module , And electrically connected to the first circuit board. When the gravity sensor senses that the light source module rotates to a first angle relative to the lamp post, the gravity sensor transmits the first sensing signal to the first circuit board, and the first circuit board sends out a control signal to control the light source module to emit The first color temperature light; and when the gravity sensor senses that the light source module rotates to a second angle relative to the lamp post, the gravity sensor transmits the second sensing signal to the first circuit board, and the first circuit board emits The control signal controls the light source module to emit light of a second color temperature, and the first color temperature is different from the second color temperature.

In the embodiment of the present invention, the above-mentioned first circuit board, light source module and gravity sensor are electrically connected to each other, so they can transmit signals to each other. Among them, the first circuit board, light source module components and gravity sensor The setting position of the device can be changed according to actual needs.

In an embodiment, the first circuit board is disposed in the base, and the light source module includes a second circuit board and a plurality of light emitting diodes, wherein the light emitting diodes and the gravity sensor are integrated on the second circuit board. The light source module also includes a driver, which can be integrated on the first circuit board for controlling the light-emitting diode to emit light.

In an embodiment, the light source module has a third end and a fourth end, wherein the third end is adapted to be screwed into the receiving groove of the lamp post, and the first circuit board is disposed at the bottom fourth end. The light source module includes a second circuit board and a plurality of light emitting diodes, and the light emitting diodes and the gravity sensor are integrated on the second circuit board. The light source module further includes a driver, the driver is integrated on the first circuit board, and the first circuit board is arranged at the fourth end.

In an embodiment, the lamp further includes a projector, and the light source module includes a second circuit board, a plurality of light-emitting diodes, and a driver. The light source module has a third end and a fourth end with the lamp post as the demarcation midpoint, and the second circuit board is located at the third end and the projector is arranged at the fourth end. The first circuit board is arranged in the base, and the driver is integrated on the first circuit board. The light emitting diode is arranged on the second circuit board, and the gravity sensor is integrated on the third circuit board of the projector.

In one embodiment, the light source module and the gravity sensor are integrated on the first circuit board; specifically, the light emitting diodes and drivers included in the light source module, and the gravity sensor are all integrated in the first circuit On the board.

In an embodiment of the present invention, each of the above-mentioned light emitting diodes emits light of the same or different color temperature.

In an embodiment of the present invention, the aforementioned first angle is 90 degrees, and the first color temperature ranges from 4500K to 5500 K; the second angle is 0 degrees, and the second color temperature ranges from 2500K to 3300K.

In an embodiment of the present invention, the above-mentioned lamp further includes a switch provided on the lamp post or the base, and is electrically connected to the first circuit board and the light source module, wherein the switch is adapted to switch the color temperature of the light source module or Control the on or off of the light source module.

Based on the above, the lamp of the present invention can adjust the light source module according to the rotation angle of the light source module relative to the lamp post, so that the light emitted by the light source module has different color temperatures.

The lamp of the present invention is provided with a gravity sensor to sense the state of the light source module, so the color temperature of the light emitted by the light source module can be adjusted according to the state of the light source module. When the user changes the state of the light source module due to different usage requirements, the color temperature of the light emitted by the light source module is also changed.

1A and 1B are schematic diagrams of the lamp in different states of the embodiment of the present invention, and FIG. 2 is a circuit block diagram of the first circuit board, the light source module and the gravity sensor of the lamp in FIG. 1. Please refer to FIGS. 1A, 1B and 2 at the same time. The lamp 1 of this embodiment includes a base 11, a first circuit board 12, a lamp post 13, a light source module 14 and a gravity sensor 15.

The base 11 is usually placed on a desktop or the ground, but it is not limited to this. It is also possible to set the base 11 on a wall.

The first circuit board 12 is used to send control signals to control the light source module 14 electrically connected to it (the first circuit board 12). The positions where the first circuit board 12 can be set will be described in subsequent embodiments.

The lamp post 13 is assembled to the base 11, and the lamp post 13 has a receiving slot S and a first end 13a and a second end 13b located on opposite sides of the receiving slot S. The first end 13a is assembled to the base 11, and the light source module 14 pivots It is arranged at the second end 13 b of the lamp post 13, so the light source module 14 can rotate relative to the lamp post 13 to be screwed into or out of the receiving groove S.

The gravity sensor 15 is disposed on the light source module 14 and is electrically connected to the first circuit board 12, and the gravity sensor 15 is used to return the sensing signal to the first circuit board 12.

In the above-mentioned lamp 1, the light source module 14 is pivotally arranged at the second end 13b of the lamp post 13, so the light source module 14 can rotate relative to the lamp post 13, and as the light source module 14 is relative to the lamp post 13 With the change of the rotation angle, the gravity sensor 15 provided in the light source module 14 can sense the rotation angle of the light source module 14 relative to the lamp post 13, and then return the sensing signal to the first circuit board 12. After receiving the sensing signal, the circuit board 12 sends a control signal to the light source module 14 to adjust the color temperature of the light emitted by the light source module 14. In other words, when the rotation angle of the light source module 14 relative to the lamp post 13 is different, the light source module 14 will emit light with different color temperatures.

Specifically, when the gravity sensor 15 senses that the light source module 14 rotates to a first angle relative to the lamp post 13, as shown in FIG. 1A, the light source module 14 rotates 90 degrees relative to the lamp post 13, and the gravity sensor 15 The first sensing signal is transmitted to the first circuit board 12, and the first circuit board 12 receives the first sensing signal and then sends out a control signal to control the light source module 14 to emit light of the first color temperature, wherein the first color temperature ranges between 4500K~5500 K, white light.

When the gravity sensor 15 senses that the light source module 14 rotates to a second angle relative to the lamp post 13, as shown in FIG. 1B, the light source module 14 rotates 0 degrees relative to the lamp post 13, that is, the light source module 14 is accommodated In the slot S, the gravity sensor 15 transmits the second sensing signal to the first circuit board 12, and the first circuit board 12 sends out a control signal to control the light source module 14 to emit light of the second color temperature. The range of the second color temperature is between 2500K~3300K, yellow light.

It can be seen from the above that through the arrangement of the gravity sensor 15, the gravity sensor 15 can sense the rotation angle of the light source module 14 relative to the lamp post 13, and then notify the first circuit board 12 to adjust the light emitted by the light source module 14. Color temperature to meet the requirements of use.

Although the above description is based on the example that the color temperature of the light emitted by the light source module 14 is adjusted when the light source module 14 is rotated and positioned at a specific angle; those skilled in the art can also be adjusted as follows with the inspiration of this embodiment As the angle changes, the color temperature of the light emitted by the light source module 14 also changes.

In view of the above, the light source module 14 has a third end 14a and a fourth end 14b. The third end 14a and the fourth end 14b roughly take the lamp post 13 as the demarcation midpoint. When the light source module 14 rotates relative to the lamp post 13, the first The three ends 14a can be screwed into the receiving groove S.

The lamp 1 may further include a projector 16, and the projector 16 is disposed at the fourth end 14 b of the light source module 14.

The lamp 1 further includes a switch 111 arranged on the lamp post 13 or the base 11. The switch 111 can be a push button or a knob, which is determined according to requirements. The switch 111 is electrically connected to the first circuit board 12 and the light source module 14. The switch 111 can be used to switch the color temperature of the light source module 14 or to control the light source module 14 to be turned on or off.

The components of the first circuit board 12, the light source module 14 (including at least the light-emitting diode 142), the gravity sensor 15, the projector 16 components (the third circuit board 161), and the The setting position of the driver 143 for driving the light emitting diode 142 to emit light can be changed according to requirements. Under the enlightenment of the specification of the present invention, those skilled in the art can change the configuration position of the aforementioned components according to actual design requirements without violating the spirit of the present invention.

[First Embodiment]

FIG. 3 is a schematic diagram of the first embodiment of the base 11. Please refer to FIG. 3. In this embodiment, the first circuit board 12 is disposed in the base 11. The light source module 14 includes a second circuit board 141 and a plurality of light emitting diodes 142. The second circuit board 141 is located at the third end 14a of the light source module 14 and is electrically connected to the first circuit board 12 to emit light. The diode 142 is arranged on the second circuit board 141. The fourth end 14b of the light source module 14 may not be provided with an object; alternatively, a non-functional structural device may be provided at the fourth end 14b in response to the appearance design (for example, to give the user a symmetrical beauty), or in response to functional requirements A functional device is provided at the fourth end 14b.

In this embodiment, the fourth end 14b is provided with a structural member (not labeled) that makes the appearance look more symmetrical.

In this embodiment, the gravity sensor 15 is integrated on the second circuit board 141 and is electrically connected to the first circuit board 12. Therefore, the gravity sensor 15 can transmit the sensing signal to the first circuit board 12 according to the state of the light source module 14 (that is, the angle at which the light source module 14 rotates relative to the lamp post 13), and the first circuit board 12 then sends out control The signal controls the light emitting diode 142 to emit light.

The light source module 14 further includes a driver 143 integrated on the first circuit board 12. The driver 143 is electrically connected to the first circuit board 12 and the light emitting diode 142. Therefore, when the first circuit board 12 sends out a control signal, the driver 143 After receiving the signal, 143 drives the light emitting diode 142 to emit light.

In one embodiment, each light-emitting diode 142 emits light of the same color temperature, and the driver 143 can drive all the light-emitting diodes 142 to emit light at the same time, or drive a part of the light-emitting diodes 142 to emit light while the other part does not emit light. , So that the light source module 14 can achieve the expected light-emitting effect and emit light with a specific color temperature.

In another embodiment, the light emitted by each light-emitting diode 142 in the light source module 14 may include at least two kinds of light with different color temperatures, and the light source module 14 can achieve The expected luminous effect is to emit light with a specific color temperature after mixing.

[Second Embodiment]

Fig. 4 is a schematic diagram of the base of the second embodiment of the present invention. Please refer to FIGS. 3 and 4 at the same time. This embodiment is substantially the same as the above-mentioned first embodiment. The base 11, the lamp post 13, the light-emitting diode 142 of the light source module 14 and the second circuit board 141, and the gravity sensor 15 The setting method is the same.

This embodiment is different from the above-mentioned first embodiment in that: in the lamp 1a of this embodiment, the first circuit board 12a integrated with the driver 143 is not arranged in the base 11, but is arranged in the fourth of the light source module 14. The end 14b and the fourth end 14b of the light source module 14 are provided with a structural member to wrap the first circuit board 12a integrated with the driver 143 therein to protect the first circuit board 12a.

[Third Embodiment]

FIG. 5 is a schematic diagram of the base 11 according to the third embodiment of the present invention. Please refer to FIG. 5, the same as the first and second embodiments described above, the base 11, the lamp post 13, the light emitting diode 142 of the light source module 14 and the second circuit board 141 are arranged in the same manner.

Different from the aforementioned first and second embodiments, the lamp 1b of this embodiment further includes a projector 16 arranged at the fourth end 14b, and the projector 16 has a third circuit board 161, and the gravity sensor 15 is integrated in the third circuit board 161.

[Fourth Embodiment]

FIG. 6 is a schematic diagram of a base 11 according to a fourth embodiment of the present invention. Please refer to FIG. 6, this embodiment is the same as the foregoing first, second, and third embodiments in that the arrangement of the base 11, the lamp post 13, and the light source module 14 are the same. In addition, for the sake of brevity, the projector is not shown in FIG. 6, but this embodiment is not limited. Those skilled in the art can install the projector 16 at the fourth end 14b of the light source module 14 according to the needs.

Different from the aforementioned first, second, and third embodiments, the lamp 1c of this embodiment only has the first circuit board 12b, and there is no second circuit board 141 (or third circuit board 161). The light-emitting diode 142 of the light-emitting module, the gravity sensor 15 and the driver 143 are all integrated on the first circuit board 12.

Incidentally, when the lamp 1 is equipped with a projector 16, a trigger switch (not shown) can be set on the lamp post 13 or the base 11 to control the projection screen of the projector 16, so the user can press the lamp The trigger switch on the column 13 controls the projection image of the projector 16 to be upright or horizontal.

In addition, the position of the projector 16 (or the rotation angle relative to the lamp post 13) can be known according to the rotation angle of the light source module 14 relative to the lamp post 13 by the arrangement of the gravity sensor 15, so the gravity sensor After the sensor 15 transmits the sensing signal to the first circuit board 12, the state of the projector 16 can be known after judgment, and then it can be determined whether the projection image of the projector 16 is vertical or horizontal.

To sum up, in the lamp of the present invention, the rotation angle of the light source module relative to the lamp post can be sensed through the gravity sensor, and the light source module emits light according to the rotation angle of the light source module relative to the lamp post. The color temperature of light to meet the needs of users.

In addition, when a projector is installed on the lamp, the direction of the projection screen of the projector can be adjusted according to the sensing result of the gravity sensor.

1, 1a, 1b, 1c: lamps 11: Base 111: Toggle switch 12, 12a, 12b: the first circuit board 13: Lamppost 13a: first end 13b: second end 14: Light source module 14a: third end 14b: Fourth end 141: second circuit board 142: LED 143: Drive 15: Gravity sensor 16: projector 161: third circuit board S: holding tank

1A and FIG. 1B are schematic diagrams of the lamp in different states according to the embodiment of the present invention. FIG. 2 is a circuit block diagram of the first circuit board, the light source module and the gravity sensor of the lamp in FIG. 1. Fig. 3 is a schematic diagram of the first embodiment of the base. Fig. 4 is a schematic diagram of the base of the second embodiment of the present invention. Fig. 5 is a schematic diagram of a base of the third embodiment of the present invention. Fig. 6 is a schematic diagram of a base of a fourth embodiment of the present invention.

1a: lamps 11: Base 12: The first circuit board 13: Lamppost 13a: first end 13b: second end 14: Light source module 14a: third end 14b: Fourth end 141: second circuit board 142: LED 143: Drive 15: Gravity sensor

Claims (14)

A light fixture including: A base A first circuit board for sending a control signal; A lamp post having a receiving groove, a first end and a second end located on opposite sides of the receiving groove, the first end being assembled to the base; A light source module, pivoted at the second end of the lamp post, and capable of rotating relative to the lamp post to be screwed into or out of the receiving groove, the light source module and the first circuit The board is electrically connected to be controlled by the control signal; and A gravity sensor arranged on the light source module and electrically connected to the first circuit board, When the gravity sensor detects that the light source module rotates to a first angle relative to the lamp post, the gravity sensor transmits a first sensing signal to the first circuit board, and the first circuit board Send the control signal to control the light source module to emit light of a first color temperature, When the gravity sensor senses that the light source module rotates to a second angle relative to the lamp post, the gravity sensor transmits a second sensing signal to the first circuit board, and the first circuit board emits The control signal controls the light source module to emit light of a second color temperature, and the first color temperature is different from the second color temperature. The lamp according to claim 1, wherein the light source module includes a second circuit board and a plurality of light emitting diodes, the light emitting diodes are arranged on the second circuit board, and the second circuit board is connected to The first circuit board is electrically connected. According to the lamp of claim 2, the light source module further includes a driver integrated on the first circuit board for driving the light-emitting diodes to emit light. The lamp according to claim 3, wherein the gravity sensor is integrated on the second circuit board. The lamp according to claim 4, wherein the first circuit board is disposed on the base. The lamp according to claim 4, wherein the light source module has a third end and a fourth end, the third end is adapted to be screwed into the receiving groove, and the first circuit board is disposed at the fourth end. The lamp according to claim 3, further comprising a projector, wherein the light source module has a third end and a fourth end, the third end is adapted to be screwed into the receiving groove, and the projector is arranged in the The fourth end. The lamp according to claim 7, wherein the projector has a third circuit board, the third circuit board is electrically connected to the first circuit board, and the gravity sensor is integrated on the third circuit board. The lamp according to claim 1, wherein the light source module and the gravity sensor are integrated on the first circuit board, and the light source module includes a plurality of light emitting diodes and a driver. The lamp according to claim 2 or 9, wherein each of the light-emitting diodes emits light of the same color temperature. The lamp according to claim 2 or 9, wherein the light emitted by the light-emitting diodes includes at least two lights with different color temperatures. The lamp according to claim 1, wherein the first angle is 90 degrees, and the range of the first color temperature is 4500K-5500K. The lamp according to claim 1, wherein the second angle is 0 degrees, and the range of the second color temperature is between 2500K and 3300K. The lamp according to claim 1, further comprising a switch, which is arranged on the lamp post or the base, and is electrically connected to the first circuit board and the light source module, wherein the switch is suitable for switching the light source module The color temperature during light emission can be used to control the on or off of the light source module.

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