CN218781231U - Desk lamp - Google Patents

Abstract

The present disclosure relates to a desk lamp, the desk lamp (10) comprising: a pole assembly (11); a lamp head assembly (12) having a first drive assembly (121); a base assembly (13) having a second drive assembly (131); a first swivel structure (14) located within the lamp head assembly (12); a second swivel structure (15) located within the pole assembly (11); the first and second rotational structures (14, 15) each have a positioning assembly (16), the positioning assemblies (16) being for detecting a first angle of rotation of the lighthead assembly (12) in the first direction and a second angle of rotation of the lighthead assembly (12) in the second direction, respectively.

Description

desk lamp

technical field

The present disclosure relates to the technical field of lighting fixtures, in particular to a table lamp.

Background technique

With the continuous development of lighting technology, the functions of desk lamps tend to be diversified; for example, desk lamps can have a rotating function, and through rotation, the lighting area and lighting angle of the desk lamp can be adjusted according to user needs to achieve better lighting effects .

In the related art, the desk lamp usually requires the user to manually rotate the desk lamp, and the automatic rotation of the desk lamp cannot be realized, resulting in poor user experience.

Utility model content

In order to overcome the problems existing in the related art, the present disclosure provides a desk lamp.

According to a first aspect of an embodiment of the present disclosure, there is provided a desk lamp, comprising:

pole assembly;

The lamp head assembly has a first driving assembly;

a base assembly having a second drive assembly;

The first rotating structure, located in the lamp head assembly, is respectively connected with the first drive assembly and the lamp pole assembly, and is used to drive the lamp head assembly along a first direction under the drive of the first drive assembly turn;

The second rotating structure is located in the lamp pole assembly and is respectively connected with the second drive assembly and the lamp head assembly, and is used to drive the lamp head assembly along the second direction under the drive of the second drive assembly rotating, the second direction being different from the first direction;

Both the first rotating structure and the second rotating structure have a positioning assembly, and the positioning assembly is respectively used to detect the rotation angle of the lamp head assembly in the first direction and the second direction.

Optionally, the positioning component includes:

Potentiometer body;

The rotating part is located in the body of the potentiometer and is connected with the first rotating structure or the second rotating structure, and is used to be driven by the first rotating structure or the second rotating structure relative to the The potentiometer body rotates;

The signal output terminal is arranged on the potentiometer body and is used for outputting a first voltage signal, the signal amount of the first voltage signal is related to the rotation angle of the rotating part relative to the potentiometer body.

Optionally, the positioning component includes:

light emitting element;

The grating code wheel is provided with a plurality of different grating codes on the surface, and the angular positions corresponding to the different grating codes are different; the grating code wheel is connected with the first rotating structure or the second rotating structure for Driven by the first rotating structure or the second rotating structure, it rotates relative to the light-emitting element;

The photoelectric detection component and the light-emitting element are respectively arranged on both sides of the grating code wheel, and the projection of the photoelectric detection component toward the grating code wheel coincides with the projection of the light-emitting element toward the grating code wheel;

The photoelectric detection component is configured to receive an incident optical signal from the grating code wheel, and output a second voltage signal, the signal amount of the second voltage signal is related to the grating code included in the optical signal.

Optionally, the first rotating structure includes:

The rotating assembly has a rotating shaft and a first connecting arm and a second connecting arm that are rotatably connected through the rotating shaft. The first end of the rotating shaft is in drive connection with the first drive assembly for Driven by the driving assembly; driving the first connecting arm to rotate relative to the second connecting arm;

The first positioning component is coaxially connected with the second end of the rotating shaft, and is used to rotate synchronously with the rotating shaft to detect the rotation angle of the first connecting arm relative to the second connecting arm.

Optionally, the lamp head assembly includes:

supporting item;

The first connecting arm of the rotating assembly is fixedly connected to the support member, and the second connecting arm is fixedly connected to the light pole assembly;

Driven by the first driving assembly, the first connecting arm drives the support member to rotate relative to the light pole assembly.

Optionally, the first surface of the support member forms a first through hole and a second through hole;

The lamp assembly includes:

a first gear and a second gear, located on the second surface of the support member, and the first gear and the second gear mesh;

The first drive assembly is disposed on the first surface, and the output shaft of the first drive assembly passes through the first through hole and is fixedly connected with the first gear;

The rotating component is disposed on the first surface, and the rotating shaft of the rotating component passes through the second through hole and is fixedly connected with the second gear.

Optionally, the second rotating structure includes:

A transmission shaft, the first end of the transmission shaft is fixedly connected to the lamp head assembly, and the second end of the transmission shaft is transmission connected to the second drive assembly for rotation driven by the second drive assembly , and drive the lamp head assembly to rotate;

The second positioning component is coaxially arranged and fixedly connected with the transmission shaft, and is used to rotate synchronously with the transmission shaft and detect the rotation angle of the lamp head assembly.

Optionally, the lamp head assembly includes:

Luminous light panels;

An image acquisition component, arranged on the light-emitting lamp board, for acquiring gesture images;

a control component, connected to the image acquisition component, the first drive component and the second drive component, for recognizing the gesture image, and controlling the first drive component based on the recognition result of the gesture image And/or the second driving assembly drives the lamp head assembly to rotate.

Optionally, the control component is electrically connected to the positioning component, and is configured to send a rotation angle to the first driving component and/or the second driving component based on the rotation angle of the lamp head component detected by the positioning component. Reset electrical signal.

Optionally, the first drive assembly and the second drive assembly are: stepper motors;

The control component is configured to send a step compensation signal to the stepper motor based on the rotation angle of the lamp head component detected by the positioning component.

The technical solutions provided by the embodiments of the present disclosure may include the following beneficial effects:

In the embodiments of the present disclosure, through the cooperation of the first rotating structure and the first driving assembly, and the second rotating structure and the second driving assembly, the lamp head assembly of the desk lamp can be automatically rotated in the first direction and the second direction, without the need for the user to perform operations on the desk lamp. manual adjustment;

Moreover, by separately setting the positioning assembly in the first rotating structure and the second rotating structure, the positioning assembly detects the rotation angle of the first rotating structure and/or the second rotating structure, so as to determine whether the lamp head assembly moves along the first direction. The first angle of rotation and the second angle of rotation of the lamp head assembly along the second direction can accurately determine the absolute rotation angle of the lamp head assembly along the first direction and/or the second direction, thereby improving user experience.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present disclosure.

Description of drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description serve to explain the principles of the disclosure.

Fig. 1 is a first structural schematic diagram of a desk lamp according to an exemplary embodiment.

Fig. 2 is a first schematic diagram of the internal structure of a desk lamp according to an exemplary embodiment.

Fig. 3 is a schematic diagram showing an exploded structure of a lamp head assembly according to an exemplary embodiment.

Fig. 4 is a first schematic diagram of the internal structure of a lamp head assembly according to an exemplary embodiment.

Fig. 5 is a second schematic diagram of the internal structure of a lamp head assembly according to an exemplary embodiment.

Fig. 6 is a second schematic diagram of the internal structure of a desk lamp according to an exemplary embodiment.

In the above figures: 10, desk lamp; 11, light pole assembly; 12, lamp head assembly; 13, base assembly; 14, first rotating structure; 15, second rotating structure; 16, positioning assembly; 121, first driving assembly ; 122, support member; 123, first gear; 124, second gear; 125, light-emitting lamp board; 126, image acquisition component; 127, control assembly; 131, second drive assembly; Shaft; 161, first positioning component; 162, second positioning component; 141a, rotating shaft.

Detailed ways

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present disclosure. Rather, they are merely examples of devices consistent with aspects of the present disclosure as recited in the appended claims.

An embodiment of the present disclosure provides a desk lamp, as shown in Figure 1-2, Figure 1 is a structural schematic diagram of a desk lamp according to an exemplary embodiment; Figure 2 is a desk lamp according to an exemplary embodiment Schematic diagram of the internal structure of a. The desk lamp 10 includes:

Light pole assembly 11;

The lamp head assembly 12 has a first drive assembly 121;

The base assembly 13 has a second drive assembly 131;

The first rotating structure 14 is located in the lamp head assembly 12 and is respectively connected with the first drive assembly 121 and the lamp pole assembly 11, and is used to drive the lamp head under the drive of the first drive assembly 121. assembly 12 rotates in a first direction;

The second rotating structure 15 is located in the lamp pole assembly 11 and is respectively connected with the second driving assembly 131 and the lamp head assembly 12, and is used to drive the lamp head under the driving of the second driving assembly 131. assembly 12 rotates in a second direction, said second direction being different from said first direction;

Both the first rotating structure 14 and the second rotating structure 15 have a positioning assembly 16, and the positioning assembly 16 is respectively used to detect the rotation of the lamp head assembly 12 along the first direction and the second direction. angle.

In the embodiment of the present disclosure, the desk lamp 10 includes: a lamp post assembly 11 , a lamp head assembly 12 and a base assembly 13 . Wherein, one end of the light pole assembly 11 is connected with the lamp head assembly 12 , and the other end is connected with the base assembly 13 .

The lamp head assembly 12 may include: a first rotating structure 14 and a first driving assembly 121;

It can be understood that the lamp head assembly 12 includes a first housing, and the first housing has a first accommodating space for accommodating the first rotating structure 14 and the first driving assembly 121 .

The first rotating structure 14 is connected between the first driving assembly 121 and the lamp pole assembly 11, driven by the first driving assembly 121, the first rotating structure 14 can drive the lamp head The assembly 12 rotates relative to the lamp head assembly 12 along a first direction.

The light pole assembly 11 may include: a second rotating structure 15 connected to the lamp head assembly 12 and the base assembly 13 .

It can be understood that the light pole assembly 11 includes a second housing, and the second housing has a second accommodating space for accommodating the second rotating structure 15 .

The base assembly 13 has a second driving assembly 131, and the base assembly 13 is in transmission connection with the second rotating structure 15 through the second driving assembly 131. Driven by the second driving assembly 131, the The second rotating structure 15 rotates, and drives the lamp pole assembly 11 and the lamp head assembly 12 to rotate in a second direction.

It should be noted that the first direction is different from the second direction, for example, the first direction may be a gravity direction, and the second direction may be a horizontal direction. It can be understood that, under the drive of the first driving assembly 121, the first rotating structure 14 drives the lamp head assembly 12 to perform a pitching motion along the gravity direction; the second rotating structure 15 drives Driven by the assembly 131, the lamp head assembly 12 and the lamp pole assembly 11 are driven to rotate along the horizontal direction.

The embodiment of the present disclosure utilizes the cooperation between the first driving assembly 121 and the first rotating structure 14, and the second driving assembly 131 and the second rotating structure 15 to realize that the desk lamp 10 has two degrees of freedom (that is, the degree of freedom along the first direction) and degrees of freedom along the second direction).

In the embodiment of the present disclosure, both the first rotating structure 14 and the second rotating structure 15 have a positioning assembly 16, because the lamp head assembly 12 rotates with the first rotating structure 14 and the second rotating structure 15, thus Detect the rotation angle of the first rotating structure 14 and/or the second rotating structure 15 through the positioning assembly 16, determine the first angle at which the lamp head assembly 12 rotates along the first direction and the second angle at which the lamp head assembly 12 rotates along the second direction Two angles.

It should be noted that, in the related art, stepper motors are usually used as the rotation drive components. On the one hand, the rotor of the stepper motor rotates to provide the rotation drive force, and on the other hand, the stepper motor is used to count steps to determine the rotation angle. However, considering that the stepper motor is prone to lost steps, the rotation angle cannot be accurately determined, and the stepper motor needs to return to zero every time it is turned on, so the absolute rotation angle cannot be determined, which affects the user experience.

In the embodiment of the present disclosure, a positioning assembly 16 is separately provided in the first rotating structure 14 and the second rotating structure 15, and the positioning assembly 16 detects the rotation angle of the first rotating structure 14 and/or the second rotating structure 15 to determine The first angle at which the lamp head assembly 12 rotates along the first direction and the second angle at which the lamp head assembly 12 rotates along the second direction, so as to accurately determine the absolute rotation angle of the lamp head assembly 12 along the first direction and/or the second direction , to improve user experience.

Optionally, the positioning component 16 includes:

Potentiometer body;

The rotating part is located in the body of the potentiometer and is connected with the first rotating structure 14 or the second rotating structure 15 for being driven by the first rotating structure 14 or the second rotating structure 15 Next, rotate relative to the potentiometer body;

The signal output terminal is arranged on the potentiometer body and is used for outputting a first voltage signal, the signal amount of the first voltage signal is related to the rotation angle of the rotating part relative to the potentiometer body.

In the embodiment of the present disclosure, the positioning assembly 16 includes: a potentiometer body and a rotating part, and the rotating part can be arranged in the potentiometer body;

It can be understood that the potentiometer body can be a resistor, and the surface of the rotating part can be formed with a contact point that is in electrical contact with the potentiometer body. When the rotating part rotates relative to the potentiometer body , the contact point moves along the potentiometer body to change the resistance value of the positioning component 16; here, the resistance value and the displacement of the contact point are in a certain relationship, that is, the resistance value and the The rotation angle of the rotating part relative to the potentiometer body has a certain relationship.

The potentiometer body may have two signal input terminals and one signal output terminal, the two signal input terminals are respectively connected to the power supply terminal and the ground terminal, and the signal output terminal is electrically connected to the contact point of the rotating part, It is used to output a voltage signal reflecting the resistance value of the positioning component 16 .

It can be understood that if the rotation angle of the rotating part relative to the potentiometer body is larger, the resistance value of the positioning assembly 16 is larger, and the signal value of the voltage signal at the signal output terminal is also larger; otherwise, If the rotation angle of the rotating part relative to the potentiometer body is smaller, the resistance value of the positioning component 16 is smaller, and the signal value of the voltage signal at the signal output terminal is also smaller.

In the embodiment of the present disclosure, the rotating part is connected with the first rotating structure 14 or the second rotating structure 15, driven by the first driving assembly 121 (or the second driving assembly 131), the The first rotating structure 14 (or the second rotating structure 15) rotates, and drives the rotating part to rotate relative to the potentiometer body. At this time, the resistance value of the positioning assembly 16 changes accordingly, and the The signal amount of the first voltage signal output by the signal output end will also change.

In the embodiment of the present disclosure, the potentiometer body and the rotating part provided in the potentiometer body jointly form the positioning assembly 16, and the rotating part is connected with the first rotating structure 14 or the second rotating structure 15 connection, when the first rotating structure 14 and/or the second rotating structure 15 rotate, the rotating part is driven to rotate relative to the potentiometer body, and according to the signal output output of the potentiometer body, the The first voltage signal of the rotation angle of the rotation part relative to the potentiometer body can accurately determine the absolute rotation angle of the lamp head assembly 12 along the first direction or the second direction.

Optionally, the positioning component 16 includes:

light emitting element;

The grating code disk is provided with a plurality of different grating codes on the surface, and the angular positions corresponding to the different grating codes are different; the grating code disk is connected with the first rotating structure 14 or the second rotating structure 15, and is used to Driven by the first rotating structure 14 or the second rotating structure 15, it rotates relative to the light-emitting element;

The photoelectric detection component and the light-emitting element are respectively arranged on both sides of the grating code wheel, and the projection of the photoelectric detection component toward the grating code wheel coincides with the projection of the light-emitting element toward the grating code wheel;

The photoelectric detection component is configured to receive an incident optical signal from the grating code wheel, and output a second voltage signal, the signal amount of the second voltage signal is related to the grating code included in the optical signal.

In the embodiment of the present disclosure, the positioning component 16 includes: a light emitting element, a grating code disc and a photoelectric detection component;

Here, the positioning assembly 16 may include: a third housing for accommodating the light emitting element, the grating code wheel and the photoelectric detection assembly.

The light-emitting element and the photoelectric detection assembly are respectively arranged on opposite sides of the grating code wheel, and the position of the light-emitting element corresponds to the position of the photoelectric detection assembly, so that the light signal emitted by the light-emitting element passes through the The grating code disk is received by the photoelectric detection component.

The surface of the grating code disc can be set on a plurality of different grating codes, and a plurality of different grating codes are respectively located at different angular positions of the grating code disc; it can be understood that the grating code disc can be relative to the The light-emitting element rotates, and, with the rotation of the grating code disc, the optical signal received by the photoelectric detection component transmits different grating codes on the grating code disc, which can be determined according to the grating code contained in the optical signal The angular position corresponding to the grating code can determine the rotation angle of the grating code wheel relative to the light emitting element.

In the embodiment of the present disclosure, the grating code wheel is connected with the first rotating structure 14 or the second rotating structure 15, and is driven by the first driving assembly 121 (or the second driving assembly 131). Next, the first rotating structure 14 (or the second rotating structure 15) rotates and drives the grating code wheel to rotate relative to the light-emitting element. At this time, the light emitted by the light-emitting element on the grating code wheel When the position changes, the grating code contained in the optical signal received by the photoelectric detection component also changes accordingly, and the signal amount of the second voltage signal reflecting the grating code output by the photoelectric detection component also changes.

In the embodiment of the present disclosure, the positioning assembly 16 is formed by using a light-emitting element, a grating code wheel and a photoelectric detection element, and the grating code wheel is connected to the first rotating structure 14 or the second rotating structure 15. In the first When the rotating structure 14 and/or the second rotating structure 15 rotate, it drives the grating code wheel to rotate relative to the light-emitting element, and reflects the rotation angle of the grating code wheel relative to the light-emitting element according to the output of the photodetection element The second voltage signal accurately determines the absolute rotation angle of the lamp head assembly 12 along the first direction or the second direction.

Optionally, as shown in FIG. 3 , FIG. 3 is a schematic exploded structure diagram of a lamp head assembly according to an exemplary embodiment. The first rotating structure 14 includes:

The rotating assembly 141 has a rotating shaft 141a and a first connecting arm and a second connecting arm that are rotatably connected through the rotating shaft 141a, and the first end of the rotating shaft 141a is transmission-connected with the first driving assembly 121 for Driven by the first drive assembly 121; drive the first connecting arm to rotate relative to the second connecting arm;

The first positioning component 161 is coaxially connected with the second end of the rotating shaft 141a, and is used to rotate synchronously with the rotating shaft 141a, and detect the rotation angle of the first connecting arm relative to the second connecting arm .

In the embodiment of the present disclosure, the first rotating structure 14 includes: a first positioning component 161 and a rotating component 141;

Wherein, the rotating assembly 141 includes: a first connecting arm, a second connecting arm and a rotating shaft 141a, and the first connecting arm and the second connecting arm are rotatably connected by the rotating shaft 141a.

The first end of the rotating shaft 141a is transmission-connected to the first driving assembly 121, driven by the first driving assembly 121, the rotating shaft 141a rotates and drives the first connecting arm relative to the The second connecting arm rotates.

The first positioning component 161 is coaxially connected to the second end of the rotating shaft 141a, and the first positioning component 161 rotates synchronously with the rotating shaft 141a to detect the relative position of the first connecting arm to the second end of the rotating shaft 141a. The rotation angle of the two connecting arms.

It can be understood that if the first positioning assembly 161 includes: a potentiometer body and a rotating part; Next, the rotating shaft 141a rotates, driving the rotating part to rotate relative to the potentiometer body; the first voltage signal output from the signal output terminal of the potentiometer body can be used to determine whether the rotating part is relative to the potentiometer body. The rotation angle of the potentiometer body, that is, the rotation angle of the first connecting arm relative to the second connecting arm.

If the first positioning component 161 includes: a light emitting element, a grating code disc and a photoelectric detection component; Next, the rotating shaft 141a rotates to drive the grating code disc to rotate; the photoelectric detection component receives the incident optical signal from the grating code disc, and identifies the grating code contained in the optical signal; the output corresponds to the grating code The second voltage signal. Since different grating codes on the grating code wheel correspond to different angular positions, according to the grating code corresponding to the second voltage signal, determine the rotation angle of the grating code wheel relative to the light-emitting element, that is, the first connecting arm The angle of rotation relative to the rotation of the second connecting arm.

In the embodiment of the present disclosure, the rotating shaft 141a of the rotating assembly 141 is connected to the first driving assembly 121 through transmission, and the first driving assembly 121 is used to drive the rotating shaft 141a of the rotating assembly 141 to rotate, and drive the first connection of the rotating assembly 141 The arm rotates relative to the second connecting arm; by setting the first positioning assembly 161 coaxially with the rotating shaft 141a, the rotation of the rotating shaft 141a drives the first positioning assembly 161 to rotate synchronously, thereby using the first positioning assembly 161 accurately detects the absolute rotation angle of the first connecting arm relative to the second connecting arm.

Optionally, as shown in FIGS. 3-4 , FIG. 4 is a first schematic diagram of an internal structure of a lamp head assembly according to an exemplary embodiment. The lamp head assembly 12 includes:

support 122;

The first connecting arm of the rotating assembly 141 is fixedly connected to the support member 122 , and the second connecting arm is fixedly connected to the light pole assembly 11 ;

Driven by the first driving assembly 121 , the first connecting arm drives the support member 122 to rotate relative to the light pole assembly 11 .

In the embodiment of the present disclosure, the lamp head assembly 12 includes: a support member 122;

The supporting member 122 can be used for fixedly installing the electronic components in the lamp head assembly 12 , for example, the first driving assembly 121 , the rotating assembly 141 and/or the control assembly 127 and so on.

It should be noted that the support member 122 can be placed in the first accommodation space of the first housing, and the support member 122 is fixedly connected with the first housing. It can be understood that, in order to facilitate the installation of the electronic devices in the lamp head assembly 12, the support member 122 and the first housing may be clamped or screwed.

The first connecting arm of the rotating assembly 141 is fixedly connected to the support member 122 , and the second connecting arm is fixedly connected to the light pole assembly 11 .

The first surface of the support member 122 may be provided with an installation position for the fixed installation of the rotation assembly 141; the first connecting arm of the rotation assembly 141 is installed on the installation position.

In order to facilitate the transmission connection between the rotating shaft 141a of the rotating assembly 141 and the first driving assembly 121, the first surface of the supporting member 122 may be provided with a through hole passing through the supporting member 122, and the through hole is located at The installation position of the rotating assembly 141; the first driving assembly 121 can be installed on the second surface of the support member 122; the rotating shaft 141a of the rotating assembly 141 passes through the through hole, and the first The drive assembly 121 is in transmission connection.

Driven by the first driving assembly 121, the rotating shaft 141a rotates and drives the first connecting arm to rotate relative to the second connecting arm, thereby driving the support through the first connecting arm. The member 122 (that is, the lamp head assembly 12 ) rotates relative to the lamp pole assembly 11 .

The first positioning component 161 can be stacked and installed on the first surface of the support member 122 with the rotating component 141, and the first positioning component 161 is coaxially connected with the second end of the rotating shaft 141a, so that The first positioning assembly 161 rotates synchronously with the rotating shaft 141a to detect the rotation angle of the support member 122 relative to the lamp pole assembly 11, that is, the lamp head assembly 12 moves along with the lamp pole assembly 11. The first angle of rotation in the first direction.

Optionally, as shown in FIGS. 4-5 , FIG. 5 is a second schematic diagram of the internal structure of a lamp head assembly according to an exemplary embodiment. The first surface of the support member 122 forms a first through hole and a second through hole;

The lamp head assembly 12 includes:

The first gear 123 and the second gear 124 are located on the second surface of the support member 122, and the first gear 123 and the second gear 124 mesh;

The first drive assembly 121 is disposed on the first surface, and the output shaft of the first drive assembly 121 passes through the first through hole and is fixedly connected with the first gear 123;

The rotating component 141 is disposed on the first surface, and the rotating shaft 141 a of the rotating component 141 passes through the second through hole and is fixedly connected with the second gear 124 .

In the embodiment of the present disclosure, the lamp head assembly 12 includes: a first gear 123 and a second gear 124 meshing with each other; through the first gear 123 and the second gear 124, the first driving assembly is realized 121 and the transmission connection between the rotating shaft 141a of the rotating assembly 141 .

The first surface of the support member 122 may be provided with a first installation position for the first drive assembly 121 to be fixedly installed and a second installation position for the rotation assembly 141 to be fixedly installed, the first installation position of the support member 122 The surface may be formed with a first through hole and a second through hole passing through the support member 122, and the first through hole is located in the first installation position, and the second through hole is located in the second installation position. Inside.

The output shaft of the first driving assembly 121 passes through the first through hole and is fixedly connected with the first gear 123, and the rotating shaft 141a of the rotating assembly 141 passes through the second through hole and is fixedly connected with the first gear 123. The second gear 124 is fixedly connected; since the first gear 123 and the second gear 124 mesh, when the output shaft of the first drive assembly 121 rotates, the first gear 123 rotates thereupon, and The second gear 124 is driven to rotate, thereby driving the rotating shaft 141a of the rotating assembly 141 to rotate, and driving the supporting member 122 to rotate relative to the light pole assembly 11 along a first direction.

In the embodiment of the present disclosure, the first drive assembly 121 and the rotation assembly are realized by arranging the first drive assembly 121 and the rotation assembly 141 on the same side of the support member 122, and using the first gear 123 and the second gear 124 that mesh with each other. 141, on the one hand, the first driving assembly 121 can be used to drive the rotating assembly 141 to drive the lamp head assembly 12 to rotate in the first direction relative to the lamp pole assembly 11, without the need for the user to manually adjust the angle of the lamp head assembly 12; on the other hand On the one hand, disposing the first driving assembly 121 and the rotating assembly 141 on the same side of the support member 122 can effectively reduce the volume of the lamp head assembly and improve the portability of the table lamp 10 .

Optionally, as shown in FIG. 6 , FIG. 6 is a second schematic diagram of the internal structure of a desk lamp according to an exemplary embodiment. The second rotating structure 15 includes:

Transmission shaft 151, the first end of the transmission shaft 151 is fixedly connected with the lamp head assembly 12, and the second end of the transmission shaft 151 is transmission connected with the second drive assembly 131, for driving The assembly 131 is driven to rotate, and drives the lamp head assembly 12 to rotate;

The second positioning assembly 162 is arranged coaxially with the transmission shaft 151 and is fixedly connected to rotate synchronously with the transmission shaft 151 and detect the rotation angle of the lamp head assembly 12 .

In the embodiment of the present disclosure, the second rotating structure 15 includes: a transmission shaft 151 and a second positioning component 162;

The first end of the transmission shaft 151 is fixedly connected to the lamp head assembly 12, and the second end is transmission connected to the second drive assembly 131;

Here, the first end and the second end of the transmission shaft 151 may be two ends of the transmission shaft 151 along the length direction.

In some embodiments, the second rotating structure 15 includes: a coupling;

The second end of the transmission shaft 151 is in driving connection with the output shaft of the second driving assembly 131 through the coupling.

Driven by the second driving assembly 131 , the transmission shaft 151 rotates and drives the lamp head assembly 12 to rotate in a second direction.

The second positioning assembly 162 is arranged coaxially with the transmission shaft 151 and is fixedly connected. When the transmission shaft 151 rotates, it drives the second positioning assembly 162 to rotate synchronously to detect whether the lamp head assembly 12 rotates in the second direction. angle of rotation.

It can be understood that if the second positioning assembly 162 includes: a potentiometer body and a rotating part; the rotating part can be passed through the transmission shaft 151, and the rotating part is the same shaft, and rotate synchronously with the transmission shaft 151. Driven by the second driving assembly 131, the transmission shaft 151 rotates, driving the rotating part to rotate relative to the potentiometer body; it can be determined based on the first voltage signal output from the signal output end of the potentiometer body. The rotation angle of the rotation part relative to the potentiometer body is the rotation angle of the lamp head assembly 12 in the second direction.

If the second positioning component 162 includes a light-emitting element, a grating code disc and a photoelectric detection component; the grating code disc can be worn on the transmission shaft 151, and the grating code disc is the same shaft, and rotate synchronously with the transmission shaft 151. Driven by the second drive assembly 131, the transmission shaft 151 rotates to drive the grating code disc to rotate; the photoelectric detection component receives the incident optical signal from the grating code disc and identifies the grating code included in the optical signal. ; Outputting a second voltage signal corresponding to the grating code. Since different grating codes on the grating code wheel correspond to different angular positions, according to the grating code corresponding to the second voltage signal, the rotation angle of the grating code wheel relative to the light-emitting element is determined, that is, the lamp head assembly 12 along the Rotation angle for rotation in the second direction.

In the embodiment of the present disclosure, the transmission shaft 151 is used to connect the lamp head assembly 12 and the second drive assembly 131, and the second drive assembly 131 drives the transmission shaft 151 to rotate, and drives the lamp head assembly 12 to rotate in the second direction. There is no need for the user to manually adjust the angle of the lamp head assembly 12, which improves the user experience; in addition, by setting the second positioning assembly 162 on the transmission shaft 151 and rotating synchronously with the transmission shaft 151, the second positioning assembly 162 can be used to 162 accurately detects the rotation angle of the lamp head assembly 12 in the second direction.

Optionally, as shown in FIG. 2, the lamp head assembly 12 includes:

Luminous lamp panel 125;

The image acquisition component 126 is arranged on the light-emitting lamp board 125, and is used for acquiring gesture images;

The control component 127 is connected with the image acquisition component 126, the first drive component 121 and the second drive component 131, and is used to recognize the gesture image, and based on the recognition result of the gesture image, control the The first driving assembly 121 and/or the second driving assembly 131 drives the lamp head assembly 12 to rotate.

In the embodiment of the present disclosure, the lamp head assembly 12 includes: a light-emitting lamp panel 125, an image acquisition component 126, and a control assembly 127;

The surface of the light emitting lamp board 125 may be provided with a plurality of light emitting elements.

In some embodiments, the plurality of light emitting elements may be uniformly arranged on the surface of the light emitting lamp board 125 .

It should be noted that the first housing of the lighting assembly may be provided with a first opening and a second opening communicating with the first accommodating space, and the first opening and the second opening are opposite to each other;

The light-emitting lamp board 125 can be arranged in the first housing, and the light-emitting lamp board 125 closes the first opening of the first housing; it can be understood that the shape of the light-emitting lamp board 125 is consistent with the The shape of the first opening of the first housing is adapted, so that the light-emitting lamp plate 125 is used to cover the first opening, preventing the electronic devices in the lamp head assembly 12 from being exposed to the user's sight.

The second opening of the first housing can pass through the second connecting arm of the rotating assembly 141 and be connected with the light pole assembly 11 .

The image acquisition component 126 can be arranged on the surface of the light emitting lamp board 125 , and gesture images can be collected through the image acquisition component 126 .

The control assembly 127 can be placed in the first accommodating space of the first housing, and the control assembly 127 is electrically connected with the image acquisition element 126, the first drive assembly 121 and the second drive assembly 131 ;

After the gesture image is collected by the image acquisition component 126, the gesture image is sent to the control component 127, and the gesture image is recognized by the control component 127, and according to the recognition result of the gesture image, the The first driving assembly 121 and the second driving assembly 131 output control electrical signals.

It should be noted that, if the recognition result of the gesture image is: turning in the first direction; the control component 127 sends a control electric signal to the first driving component 121, so that the first driving component 121 drives the The rotating shaft 141a of the rotating assembly 141 rotates, and drives the lamp head assembly 12 to rotate relative to the lamp pole assembly 11 along a first direction.

If the recognition result of the gesture image is: to rotate in the second direction, the control assembly 127 sends a control electric signal to the second drive assembly 131, so that the second drive assembly 131 drives the transmission shaft 151 to rotate , and drive the lamp head assembly 12 and the lamp pole assembly 11 to rotate in the second direction.

In the embodiment of the present disclosure, an image acquisition component 126 is arranged on the light-emitting lamp board 125 of the lamp head assembly 12, and the image acquisition component 126 is used to capture a gesture image, and by recognizing the gesture image, and responding to the recognition result of the gesture image, Send control electrical signals to the first driving assembly 121 and/or the second driving assembly 131, so that the user can control the lamp head assembly 12 to rotate in the first direction and/or the second direction through gestures, so as to improve user experience.

Optionally, the control component 127 is electrically connected to the positioning component 16, and is used to send the first driving component 121 and/or the The second driving component 131 sends a reset electrical signal.

In the embodiment of the present disclosure, the control component 127 can be electrically connected with the positioning component 16, receive the first electrical signal or the second electrical signal transmitted by the positioning component 16; The second electric signal is used to determine the absolute rotation angle of the lamp head assembly 12.

The rotation angle of the lamp head assembly 12 detected by the positioning assembly 16 may include: a first angle and/or a second angle;

The control assembly 127 can be respectively connected with the first positioning assembly 161 in the lamp head assembly 12 and the second positioning assembly 162 in the lamp pole assembly 11, and detect the lamp head assembly 12 based on the first positioning assembly 161 The first angle of rotation along the first direction is based on the detection of the second angle of rotation of the lamp head assembly 12 and the lamp pole assembly 11 along the second direction by the second positioning assembly 162 .

In order to realize accurate reset of the lamp head assembly 12 and the lamp pole assembly 11 after the lamp head assembly 12 and/or the lamp pole assembly 11 are rotated, the control assembly 127 can move toward the lamp base assembly 12 based on the first angle. The first driving component 121 sends a reset electrical signal, and/or, based on the second angle, sends a reset electrical signal to the second driving component 131 .

It can be understood that the signal amount of the reset electrical signal is related to the rotation angle of the lamp head assembly 12 detected by the positioning assembly 16 .

The first drive assembly 121 (or the second drive assembly 131 ) receives the reset electric signal, so as to drive the rotation assembly 141 to drive the lamp head assembly 12 to rotate along the first direction (or along the second direction). Rotate to the initial position of the lamp head assembly 12.

Optionally, the first drive assembly 121 and the second drive assembly 131 are: stepping motors;

The control component 127 is configured to send a step compensation signal to the stepper motor based on the rotation angle of the lamp head assembly 12 detected by the positioning component 16 .

In the embodiment of the present disclosure, the first drive assembly 121 and the second drive assembly 131 are: stepping motors;

Considering that the stepper motor is usually in the state of open-loop operation, the problem of step loss is prone to occur, and this step loss is unpredictable, resulting in the actual rotation angle of the lamp head assembly 12 driven by the stepper motor and the stepper motor. The rotation angle indicated by the received control electrical signal or reset electrical signal is inconsistent.

In the embodiment of the present disclosure, the positioning assembly 16 is used to detect the rotation angle of the lamp head assembly 12 along the first direction and/or the second direction, and the control assembly 127 is based on the rotation angle detected by the positioning assembly 16 and the received information of the stepper motor. The control electrical signal or the difference between the rotation angles indicated by the reset electrical signal sends a step compensation signal to the stepping motor, so that the stepping motor returns to the normal number of steps.

Other embodiments of the disclosure will be readily apparent to those skilled in the art from consideration of the specification and practice of the utility model disclosed herein. The present disclosure is intended to cover any modification, use or adaptation of the present disclosure. These modifications, uses or adaptations follow the general principles of the present disclosure and include common knowledge or conventional technical means in the technical field not disclosed in the present disclosure. . The specification and examples are to be considered exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It should be understood that the present disclosure is not limited to the precise constructions which have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (10)

1. A desk lamp, characterized in that the desk lamp (10) comprises:

a pole assembly (11);

a lamp head assembly (12) having a first drive assembly (121);

a base assembly (13) having a second drive assembly (131);

the first rotating structure (14) is positioned in the lamp cap assembly (12), is respectively connected with the first driving assembly (121) and the lamp post assembly (11), and is used for driving the lamp cap assembly (12) to rotate along a first direction under the driving of the first driving assembly (121);

the second rotating structure (15) is positioned in the lamp post assembly (11), is respectively connected with the second driving assembly (131) and the lamp cap assembly (12), and is used for driving the lamp cap assembly (12) to rotate along a second direction under the driving of the second driving assembly (131), wherein the second direction is different from the first direction;

the first rotating structure (14) and the second rotating structure (15) are provided with positioning components (16), and the positioning components (16) are respectively used for detecting the rotating angles of the lamp head component (12) rotating along the first direction and the second direction.

2. The desk lamp of claim 1, wherein said positioning assembly (16) comprises:

a potentiometer body;

the rotating part is positioned in the potentiometer body, is connected with the first rotating structure (14) or the second rotating structure (15), and is used for rotating relative to the potentiometer body under the driving of the first rotating structure (14) or the second rotating structure (15);

the signal output end is arranged on the potentiometer body and used for outputting a first voltage signal, and the semaphore of the first voltage signal is related to the rotating angle of the rotating part relative to the potentiometer body.

3. The desk lamp of claim 1, wherein the positioning assembly (16) comprises:

a light emitting element;

the surface of the grating code disc is provided with a plurality of different grating codes, and the angle positions corresponding to the different grating codes are different; the grating code disc is connected with the first rotating structure (14) or the second rotating structure (15) and is used for rotating relative to the light-emitting element under the driving of the first rotating structure (14) or the second rotating structure (15);

the photoelectric detection assembly and the light-emitting element are respectively arranged on two sides of the grating code disc, and the projection of the photoelectric detection assembly towards the grating code disc is superposed with the projection of the light-emitting element towards the grating code disc;

the photoelectric detection assembly is used for receiving an optical signal incident from the grating code disc and outputting a second voltage signal, and the semaphore of the second voltage signal is related to the grating code contained in the optical signal.

4. A desk lamp as claimed in claim 2 or 3, wherein said first rotary structure (14) comprises:

the rotating assembly (141) is provided with a rotating shaft (141 a) and a first connecting arm and a second connecting arm which are rotatably connected through the rotating shaft (141 a), and the first end of the rotating shaft (141 a) is in transmission connection with the first driving assembly (121) and is used for being driven by the first driving assembly (121); driving the first connecting arm to rotate relative to the second connecting arm;

and a first positioning component (161) which is coaxially connected with the second end of the rotating shaft (141 a) and is used for synchronously rotating along with the rotating shaft (141 a) and detecting the rotating angle of the first connecting arm relative to the second connecting arm.

5. The desk lamp of claim 4, wherein said lamp head assembly (12) comprises:

a support (122);

the first connecting arm of the rotating assembly (141) is fixedly connected with the supporting piece (122), and the second connecting arm is fixedly connected with the lamp post assembly (11);

the first connecting arm drives the support (122) to rotate relative to the lamp post assembly (11) under the driving of the first driving assembly (121).

6. The desk lamp of claim 5, wherein the first surface of the support (122) forms a first through hole and a second through hole;

the lamphead assembly (12) comprising:

a first gear (123) and a second gear (124) located on a second surface of the support (122), and the first gear (123) and the second gear (124) are engaged;

the first driving assembly (121) is arranged on the first surface, and an output shaft of the first driving assembly (121) penetrates through the first through hole and is fixedly connected with the first gear (123);

the rotating component (141) is arranged on the first surface, and the rotating shaft (141 a) of the rotating component (141) passes through the second through hole and is fixedly connected with the second gear (124).

7. A desk lamp as claimed in claim 2 or 3, characterized in that said second rotary structure (15) comprises:

the first end of the transmission shaft (151) is fixedly connected with the lamp cap assembly (12), and the second end of the transmission shaft (151) is in transmission connection with the second driving assembly (131) and is used for rotating under the driving of the second driving assembly (131) and driving the lamp cap assembly (12) to rotate;

and the second positioning assembly (162) is coaxially arranged with the transmission shaft (151) and is fixedly connected with the transmission shaft (151) and used for synchronously rotating with the transmission shaft (151) and detecting the rotating angle of the lamp cap assembly (12).

8. The desk lamp of claim 5 or 6, wherein the lamp head assembly (12) comprises:

a light-emitting lamp panel (125);

the image acquisition element (126) is arranged on the light-emitting lamp panel (125) and is used for acquiring gesture images;

and the control assembly (127) is connected with the image acquisition element (126), the first driving assembly (121) and the second driving assembly (131) and is used for recognizing the gesture image and controlling the first driving assembly (121) and/or the second driving assembly (131) to drive the lamp head assembly to rotate based on the recognition result of the gesture image.

9. The desk lamp of claim 8, wherein the control assembly (127) is electrically connected to the positioning assembly (16) for sending a reset electrical signal to the first driving assembly (121) and/or the second driving assembly (131) based on the rotation angle of the lamp head assembly detected by the positioning assembly (16).

10. The desk lamp of claim 9, wherein the first drive assembly (121) and the second drive assembly (131) are: a stepping motor;

the control component (127) is used for sending a step number compensation signal to the stepping motor based on the rotation angle of the lamp head component (12) detected by the positioning component (16).

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