CN104141944A - Lamp structure - Google Patents

Abstract

A lamp structure comprises a lamp holder, a lamp shell, a light source, a transmission assembly, a semiconductor wafer and a driving device, wherein the light source, the transmission assembly, the semiconductor wafer and the driving device are located in the lamp shell, the semiconductor wafer is fixed in the lamp shell and close to the light source, the driving device is located in the lamp holder and is connected with the lamp shell through the transmission assembly, the semiconductor wafer absorbs heat generated by the light source, converts the heat into electric energy and transmits the electric energy to the driving device, and the driving device drives the transmission assembly and the lamp shell to move. The lamp structure provided by the invention can convert heat energy into electric energy, so that the heat energy can be effectively utilized, in addition, the semiconductor wafer absorbs the heat of heating parts such as the light source, and the like, and the lamp structure obtains a better heat dissipation effect, thereby prolonging the service life of the light source.

Description

Lamp structure

technical field

The invention relates to the lighting field, in particular to a lamp structure.

Background technique

Searchlights (such as vehicle searchlights, aerial searchlights, etc.), inspection lights, survey lights and other lamps have become indispensable lighting fixtures in people's life and work. These lamps are increasingly used in lighting, search, inspection, survey, etc. use. Most of the above-mentioned lamps include a lamp holder, a housing, a light source located in the housing, and a tripod connecting the lamp holder and the housing. The housing is installed on the tripod, and the light source emits a corresponding light, the tripod is rotatably mounted on the lamp holder, and drives the housing to rotate relative to the lamp holder, so as to meet the purposes of illumination, search, inspection, survey and the like. The light source of the lamp will generate a lot of heat during the working process, and most of the heat will be dissipated through the conduction of the shell. However, the efficiency of this heat dissipation method is low, which will cause the surface temperature of the lamp shell to be uneven, and the heat energy cannot be utilized. . On the other hand, in order to ensure the rotation of the tripod and the light source, an external power source or an internal power source (such as a battery) needs to provide additional electric energy to drive the tripod and the light source to rotate, which is difficult to meet the requirements of energy saving and environmental protection.

Contents of the invention

In view of the above problems, the object of the present invention is to provide a lamp structure with better heat dissipation effect and effective use of heat energy.

In order to solve the above technical problems, the present invention provides a lamp structure, including a lamp holder, a lamp housing, a light source located in the lamp housing, a transmission component, a semiconductor chip and a driving device, and the semiconductor chip is fixed on the lamp housing Inside and close to the light source, the driving device is located in the lamp holder and connected to the lamp housing through the transmission assembly, the semiconductor chip absorbs the heat generated by the light source and converts the heat into electrical energy, And transmit the electric energy to the driving device, and the driving device drives the transmission assembly and the lamp housing to move.

Wherein, the lamp structure also includes a transparent member, which is an optical lens or a lens group formed by a plurality of optical lenses, and the transparent member is fixed on one end of the lamp housing to form the lamp housing into a Closed storage space.

Wherein, the lamp structure further includes a light source seat, which is installed in the accommodating space of the lamp housing to maintain the position of the light source and connect the light source to a power source.

Wherein, the lamp structure further includes a reflector detachably installed in the lamp housing, the reflector is a curved mirror or a spherical mirror, which converges the light emitted by the light source, and passes the converged light through the Transparency shines through.

Wherein, the semiconductor chip is a semiconductor thermoelectric power generation chip or a semiconductor thermoelectric power generation module, which directly converts heat energy into corresponding electric energy by using temperature difference.

Wherein, the transmission assembly is a rotating rod, one end of which is detachably connected to the lamp housing, and the other end is detachably connected and fixed to the driving device.

Wherein, the driving device includes a rotating shaft, which is detachably connected to one end of the transmission assembly. After the driving device is powered on, the rotating shaft is driven to rotate according to predetermined parameters such as rotational speed, direction of rotation and period, and the transmission assembly is driven according to The rotation of the above parameters further drives the rotation of the lamp head assembly.

Wherein, the driving device is any one of a stepping motor, a micro motor, and a servo motor.

Wherein, the lamp structure further includes an amplifier circuit, which is electrically connected to the semiconductor chip and amplifies the current signal output by the semiconductor chip.

Wherein, the lamp structure further includes a voltage stabilizing circuit, the voltage stabilizing circuit is electrically connected with the amplifying circuit and the driving device, and the voltage stabilizing circuit adjusts the current signal output by the amplifying circuit, and outputs A stable voltage is supplied to the driving device to provide power to the driving device.

In the lamp structure provided by the present invention, the semiconductor chip is located close to the heat-generating part such as the light source, and absorbs the heat generated by the heat-generating part. After the semiconductor chip obtains heat energy, it can convert the heat energy into electric energy by using the temperature difference. Electrical energy is thus provided for the drive. Therefore, the lamp structure can convert heat energy into electric energy, so that heat energy can be effectively used. In addition, the semiconductor chip absorbs heat from heat-generating parts such as the light source, and the lamp structure obtains a better heat dissipation effect, thereby improving the performance of the lamp structure. The service life of the light source mentioned above.

Description of drawings

In order to illustrate the technical solution of the present invention more clearly, the accompanying drawings used in the implementation will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some implementations of the present invention. As far as the skilled person is concerned, other drawings can also be obtained based on these drawings on the premise of not paying creative work.

Fig. 1 is a cross-sectional view of a lamp structure provided by an embodiment of the present invention.

Fig. 2 is a block diagram of the connection relationship between the semiconductor chip and the driving device in the lamp structure provided by the embodiment of the present invention.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention. Searchlights (such as vehicle searchlights, aerial searchlights, etc.), patrol lights, survey lights and other lamps have become indispensable lighting fixtures in people's life and work. These lamps are increasingly used in lighting, search, inspection, survey, etc. use.

Please refer to FIG. 1 , an embodiment of the present invention provides a lamp structure 100 , which can be a searchlight, patrol lamp, survey lamp and other lighting lamps. In the embodiment of the present invention, the lamp structure 100 includes a lamp cap assembly 20, a transmission assembly 30, a lamp holder 50 and a driving device 60, the lamp cap assembly 20 is detachably connected to the transmission assembly 30, the transmission assembly 30 is connected to the The driving device 60 is connected, and the driving device 60 is installed in the lamp holder 50 , and the lamp head assembly 20 is connected to the driving device 60 through the transmission assembly 30 in rotation.

The lamp head assembly 20 includes a lamp housing 22 , a transparent member 23 , a light source 24 , a light source seat 25 , a reflector (not shown in the figure) and a semiconductor chip 27 . The lamp housing 22 can be detachably connected to the transmission assembly 30 by means of screw connection, snap connection, riveting and the like. The transparent member 23 can be an optical lens or a lens group formed by a plurality of optical lenses, which is fixed at one end of the lamp housing 22 , so that the lamp housing 22 forms a closed accommodating space 222 .

The light source 24 is detachably installed in the accommodating space 222 of the lamp housing 22 , and emits corresponding light as required after being powered on. The light source seat 25 is installed in the accommodating space 222 of the lamp housing 22 , which can maintain the position of the light source 24 and connect the light source 24 to a power source. The reflector is detachably installed in the accommodation space 222 of the lamp housing 22, and it can be a curved mirror or a spherical mirror. The difference in position and combination is used to control, and finally projected.

The semiconductor chip 27 can be a semiconductor thermoelectric power generation chip or a semiconductor thermoelectric power generation module, which directly converts heat energy into corresponding electrical energy by using temperature difference. The semiconductor chip 27 is located in the lamp housing 22, and is close to the position of the light source 24, the reflector, the light source seat 25 and the lamp housing 22, and absorbs the light source 24, the reflector, the light source seat 25 and the lamp housing. The heat of the body 22, the semiconductor chip 27 can convert the heat energy into electrical energy by using the temperature difference after obtaining the heat energy. The electric energy generated by the semiconductor chip 27 is transmitted to the driving device 60 through wires, so as to provide the driving device 60 with electric energy.

The transmission assembly 30 can be a rotating rod, and its whole can generally be, but not limited to, an L-shaped rotating rod structure. One end of the transmission assembly 30 can be detachably connected to the The other end of the lamp housing 22 is detachably connected and fixed to the driving device 60 .

The driving device 60 can be a stepping motor, a micro motor, a servo motor, etc., and is installed in the lamp holder 50 . The driving device 60 includes a rotating shaft 62, which is detachably connected to one end of the transmission assembly 30. After the driving device 60 is powered on, the rotating shaft 62 is driven to rotate according to parameters such as a predetermined speed, direction of rotation and cycle, and drives the The transmission assembly 30 rotates according to the above parameters, and then drives the lamp head assembly 22 to rotate.

Please refer to FIG. 2 , the lamp structure 100 further includes an amplifying circuit 70 and a voltage stabilizing circuit 80 , the amplifying circuit 70 is electrically connected to the semiconductor chip 27 and amplifies the current signal output by the semiconductor chip 27 . The voltage stabilizing circuit 80 is electrically connected to the amplifying circuit 70 and the driving device 60, the voltage stabilizing circuit 80 adjusts the current signal output by the amplifying circuit 70, and outputs a stable voltage to the driving device device 60 to provide electrical energy to the driving device 60 .

Please refer to Fig. 1 and Fig. 2 together, described light source 24 emits corresponding light after being electrified, and produces corresponding heat, and this semiconductor sheet 27 is positioned at close to described light source 24, reflector, light source seat 25 and lamp housing 22 position, and absorb the heat of the light source 24, reflector, light source holder 25 and lamp housing 22, the semiconductor chip 27 can convert the heat energy into electric energy by using the temperature difference after obtaining the heat energy, and input the current signal to the amplifier circuit 70 . The amplifying circuit 70 amplifies the current signal output by the semiconductor chip 27, the voltage stabilizing circuit 80 adjusts the current signal output by the amplifying circuit 70, and outputs a stable voltage to the driving device 60 for the driving device 60 provides electrical energy. After the driving device 60 is powered on, the rotating shaft 62 is driven to rotate according to predetermined parameters such as rotational speed, direction and cycle, and the transmission assembly 30 is driven to rotate according to the above parameters, thereby driving the lamp cap assembly 22 to rotate.

In the lamp structure 100 provided by the present invention, the semiconductor chip 27 is located close to the heat-generating parts such as the light source 24, reflector, light source seat 25 and lamp housing 22, and absorbs the light source 24, reflector, light source The heat of the seat 25 and the lamp housing 22, the semiconductor chip 27 can convert the heat energy into electric energy by using the temperature difference after obtaining the heat energy, so as to provide electric energy for the driving device 60. Therefore, the lamp structure 100 can convert heat energy into electric energy, thereby effectively utilizing heat energy. In addition, the semiconductor chip 27 absorbs heat from heat-generating parts such as the light source 24, and the lamp structure 100 obtains a better heat dissipation effect, and further The service life of the light source 24 is increased.

The above description is a preferred embodiment of the present invention, and it should be pointed out that for those skilled in the art, without departing from the principle of the present invention, some improvements and modifications can also be made, and these improvements and modifications are also considered Be the protection scope of the present invention.

Claims (10)

1. a fitting structure, it comprises lamp socket, lamp casing, be positioned at light source and the transmission component of this lamp casing, it is characterized in that, described fitting structure also comprises semiconductor chip and drive unit, described semiconductor chip is fixed in described lamp casing and near described light source, described drive unit is positioned at described lamp socket, and be connected with described lamp casing by described transmission component, described semiconductor chip absorbs the heat of described light source generation and heat is converted into electric energy, and by extremely described drive unit of this delivery of electrical energy, described drive unit drives described transmission component and the motion of described lamp casing.

2. fitting structure according to claim 1, it is characterized in that, described fitting structure also comprises transparent member, described transparent member is an optical lens or the set of lenses that formed by multiple optical lenses, this transparent member is fixed on described lamp casing one end, this lamp casing is formed to the accommodation space of a sealing.

3. fitting structure according to claim 2, is characterized in that, described fitting structure also comprises light source base, and this light source base is installed in the accommodation space of described lamp casing, to keep the position of described light source, and this light source is connected with power supply.

4. fitting structure according to claim 2, it is characterized in that, described fitting structure also comprises the reflector being removably installed in described lamp casing, described reflector is curved mirror or spherical mirror, it converges the light that described light source sends, and the light after converging is gone out by described transparent member transmission.

5. fitting structure according to claim 1, is characterized in that, described semiconductor chip is semiconductor temperature differential generating sheet or semi-conductor thermo-electric generation module, and it utilizes the temperature difference directly heat energy to be converted into corresponding electric energy.

6. fitting structure according to claim 1, is characterized in that, described transmission component is swingle, and its one end is removably connected on described lamp casing, and the other end is removably connected on described drive unit.

7. fitting structure according to claim 1, it is characterized in that, described drive unit comprises rotating shaft, this rotating shaft is removably connected in one end of described transmission component, this rotating shaft of this drive unit energising rear drive according to predetermined rotating speed, turn to the parameter such as cycle and rotate, and drive described transmission component to rotate according to above-mentioned parameter, and then drive described lamp adapter assembly to rotate.

8. fitting structure according to claim 1, is characterized in that, described drive unit is any one in stepper motor, micromachine, servomotor.

9. fitting structure according to claim 1, is characterized in that, described fitting structure also comprises amplifying circuit, and described amplifying circuit and described semiconductor chip are electrically connected, and amplifies the current signal of this semiconductor chip output.

10. fitting structure according to claim 9, it is characterized in that, described fitting structure also comprises mu balanced circuit, described mu balanced circuit and described amplifying circuit and described drive unit are electrically connected, the current signal of described amplifying circuit output is adjusted processings by this mu balanced circuit, and the voltage of stable output extremely described drive unit to provide electric energy to this drive unit.