CN107013824B - Water-proof lamp - Google Patents
Water-proof lamp Download PDFInfo
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- CN107013824B CN107013824B CN201710204737.9A CN201710204737A CN107013824B CN 107013824 B CN107013824 B CN 107013824B CN 201710204737 A CN201710204737 A CN 201710204737A CN 107013824 B CN107013824 B CN 107013824B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
- F21V14/02—Controlling the distribution of the light emitted by adjustment of elements by movement of light sources
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/16—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
- F21V17/164—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting the parts being subjected to bending, e.g. snap joints
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
- F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention provides a waterproof lamp, which comprises a lamp tube with a single side emitting light, a bracket for mounting the lamp tube, an electric driving part for driving the bracket to axially rotate, a power supply for providing power for the electric driving part and a control system for controlling the on-off of the electric driving part and the power supply, wherein the lamp tube is connected with the bracket in a circumferential rotating manner; the control system comprises a distance detection unit, a distance detection unit and a control unit, wherein the distance detection unit is used for detecting whether a control component is arranged below the waterproof lamp or not and outputting a distance measurement signal; the processing unit is coupled to the output end of the distance detection unit and used for receiving the ranging signal and controlling the on-off between the electric driving piece and the power supply according to the ranging signal; the lamp tube can be rotated to adjust the irradiation angle.
Description
Technical Field
The invention relates to a lamp, in particular to a waterproof lamp.
Background
The patent with publication number CN103123055a discloses an angle-adjustable LED lamp tube, which includes a lamp tube, a plurality of LED chips disposed therein, at least two conductive columns and two plugs, wherein the two plugs are respectively located at two ends of the lamp tube, the at least one conductive column provides power for the LED chips, one end of the plug locates the at least two conductive columns, and the other end is connected to one side of the lamp tube. The plug comprises a plug fixing shell and a plug rotating piece, and the plug rotating piece rotates in a single direction relative to the plug fixing shell, so that the irradiation angle of the lamp tube is optimized.
Disclosure of Invention
The invention aims to provide a waterproof lamp, which can rotate a lamp tube to adjust the irradiation angle.
The technical purpose of the invention is realized by the following technical scheme: a waterproof lamp comprises a lamp tube emitting light on a single surface, a bracket for mounting the lamp tube, an electric driving piece for driving the bracket to rotate axially on the bracket, a power supply for providing power for the electric driving piece, and a control system for controlling the on-off of the electric driving piece and the power supply; the control system includes:
the distance detection unit is used for detecting whether a control component is arranged below the waterproof lamp or not and outputting a distance measurement signal;
and the processing unit is coupled with the output end of the distance detection unit and used for receiving the ranging signal and controlling the on-off between the electric driving piece and the power supply according to the ranging signal.
Further, the distance detection unit includes a distance sensor installed on the bracket, an output end of the distance sensor outputs the distance measurement signal, the distance measurement signal is a voltage signal, and the processing unit includes:
the comparison circuit is coupled to the output end of the distance detection unit and compares the received ranging signal with the reference voltage to output a control signal;
and the switch circuit is coupled to the output end of the comparison circuit and used for controlling the on-off between the electric driving piece and the power supply according to the switch control signal.
Further, the comparison circuit includes:
a reference voltage generating circuit having a resistor R1, one end of which is coupled to a first direct current Vout _1, and the other end of which is connected in series with a resistor R2 and then grounded; wherein the reference voltage is generated between the self-resistor R1 and the resistor R2;
and the comparator A is provided with a same-phase input end, an opposite-phase input end and an output end, the same-phase input end of the comparator A is coupled with the output end of the distance detection unit, the opposite-phase input end of the comparator A is coupled with the connection point of the resistor R1 and the resistor R2, and the output end of the comparator A outputs the control signal.
Further, the switching circuit includes: an NPN triode Q1, the emitter of which is grounded, and the base of which is coupled with the output end of the AND gate through a resistor R3 and is grounded with the emitter through a resistor R4; a relay KM, one end of the coil of which is coupled to a second direct current Vout _2, the other end of which is coupled to the collector of the NPN triode Q1, and a normally open contact switch S1 of which is connected in series between the electric controller and the power supply;
the anode of the diode D1 is coupled to the second direct current Vout _2, and the cathode of the diode D1 is coupled between the collector of the NPN transistor Q1 and the coil of the relay KM.
Because the lamp tube emits light on a single surface, the irradiation angle is certain; when the distance between the distance sensor and the control part reaches a preset value, the power supply is switched on, and the motor is started to drive the lamp tube to rotate, so that the irradiation angle of the lamp tube is adjusted; when the control part is far away from the distance sensor, the power supply is cut off, and the motor stops working.
Another object of the present invention is to provide a waterproof lamp, which can rotate the lamp tube to adjust the illumination angle.
A waterproof lamp comprises a lamp tube with a single side emitting light and a bracket for mounting the lamp tube, and is characterized in that: the lamp tube is connected with the bracket in a circumferential rotating manner, and is connected with a manual control piece for driving the lamp tube to rotate, an electric driving piece for driving the manual control piece to lift and also comprises a control system for controlling the electric driving piece and a power supply to be switched on and off; the control system includes:
the distance detection unit is used for detecting whether a control component is arranged below the waterproof lamp or not and outputting a first distance measurement signal and a second distance measurement signal;
and the processing unit is coupled to the output end of the distance detection unit and controls the connection between the electric driving piece and the power supply according to the first ranging signal and the second ranging signal.
Further, the distance detecting unit includes a first distance sensor and a second distance sensor mounted on the bracket, an output end of the first distance sensor outputs the first distance measuring signal, the first distance measuring signal is a voltage signal, and the processing unit includes:
the first comparison circuit is coupled to the output end of the first distance sensor and compares the received first ranging signal with a first reference voltage to output a first control signal;
the second comparison circuit is coupled to the output end of the second distance sensor and compares the received second ranging signal with a second reference voltage to output a second control signal;
and the switch circuit is coupled to the output ends of the first comparison circuit and the second comparison circuit and controls the connection between the electric driving piece and the power supply according to the first control switch signal and the second control switch signal.
Further, the electric drive member is a motor, and the first comparison circuit includes:
the first reference voltage generating circuit is provided with a resistor R1, one end of the resistor R1 is coupled to a first direct current Vout _1, and the other end of the resistor R2 is grounded after being connected in series; wherein the first reference voltage is generated between the self-resistor R1 and the resistor R2;
a comparator A having a non-inverting input terminal coupled to the output terminal of the first distance sensor, an inverting input terminal coupled to a connection point of the resistor R1 and the resistor R2, and an output terminal outputting the first switch signal;
the second comparison circuit includes:
a second reference voltage generating circuit having a resistor R3, one end of which is coupled to a first direct current Vout _1, and the other end of which is connected in series with a resistor R4 and then grounded; wherein the second reference voltage is generated between the resistor R3 and the resistor R4;
a comparator B having a non-inverting input terminal coupled to the output terminal of the second distance sensor, an inverting input terminal coupled to a connection point of the resistor R3 and the resistor R4, and an output terminal outputting the second off-control signal;
the switch circuit comprises a motor driving chip of model LG9110, wherein PIN1 and PIN4 are respectively coupled with a positive terminal and a negative terminal of the motor, PIN2 and PIN3 are coupled with second direct current Vout _2, PINN 5 and PIN8 which are grounded, and PIN6 and PIN7 are respectively coupled with output ends of a comparator A and a comparator B.
Furthermore, electric drive spare fixes on the fluorescent tube, electric drive spare's output is connected main reel, still connect the vice reel with main reel reverse synchronization pivoted on the fluorescent tube, manual control spare includes that one end is connected with main reel and the other end is the first stay cord of free end, one end and vice reel are connected and the other end is the second stay cord of free end.
Because the lamp tube emits light on one side, the illumination angle is fixed, the waterproof lamp is arranged at a high position, and the bracket is connected with the house hook during installation; when the distance between the first distance sensor and the control part reaches a preset value, the motor rotates reversely to drive the first pull rope and the second pull rope to respectively separate from the main reel and the auxiliary reel, so that a user can touch the first pull rope and the second pull rope, and the first pull rope and the second pull rope are manually pulled to drive the lamp tube to rotate relative to the bracket so as to adjust the irradiation angle; after the adjustment is finished, the control part stretches into the lower part of the second distance sensor, and after the distance between the second distance sensor and the control part reaches a preset value, the motor rotates forwards to drive the first pull rope and the second pull rope to wind back to the main winding wheel and the auxiliary winding wheel.
In conclusion, the invention has the following beneficial effects: the rotation angle of the lamp tube can be adjusted so as to adjust the irradiation angle.
Drawings
FIG. 1 is a schematic structural view of example 1;
FIG. 2 is a control circuit of embodiment 1;
FIG. 3 is a schematic structural view of example 2;
FIG. 4 is an enlarged view of portion A of FIG. 3;
fig. 5 is a control circuit of embodiment 2.
Reference numerals: 1. a support; 11. a semicircular groove; 12. an elastic arc-shaped strip; 13. clamping a hoop; 2. a lamp tube; 3. an electric drive; 4. a distance sensor; 51. a comparison circuit; 52. a switching circuit; 53. a reference voltage generating circuit; 61. a main reel; 62. a secondary reel; 63. a first pull cord; 64. a second pull cord; 71. a first comparison circuit; 72. a second comparison circuit; 73. a switching circuit; 74. a first reference voltage generation circuit; 75. a second reference voltage generating circuit; 81. a first distance sensor; 82. a second distance sensor; 91. a main gear; 92. a pinion gear.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Example 1: a waterproof lamp, as shown in figure 1, comprises a lamp tube 2 with a single side emitting light and a bracket 1 for mounting the lamp tube 2, wherein the lamp tube 2 can be structured by arranging a lamp source plate in an excircle tube, only one side of the lamp source plate is provided with a lamp sheet, so that the lamp source plate can only emit light with the single side, and the single side refers to an arc-shaped surface because the lamp tube 2 is cylindrical. Two brackets 1 are arranged and are respectively positioned at two ends of the lamp tube 2; a semicircular groove 11 is formed in the bracket 1, and the lamp tube 2 is placed in the semicircular groove 11; both sides of the semicircular groove 11 are both fixed with elastic arc-shaped strips 12, the support 1 is further connected with a clamp 13 through screws, the lamp tube 2 is fixed through the elastic arc-shaped strips 12 and the clamp 13, and the lamp tube 2 has certain friction force with the semicircular groove 11, the elastic arc-shaped strips 12 and the clamp 13, so that the lamp tube 2 cannot rotate under the condition of not being influenced by external force. An electric driving part 3 is fixed on one of the bases, the electric driving part 3 is a motor in the scheme, and an output shaft of the electric driving part is connected with the center of one end of the lamp tube 2. The wiring of the lamp tube 2 is connected from the center of the other end, when the lamp tube 2 rotates, the part of the wiring, which is positioned outside the lamp tube 2, is twisted, and the internal wiring is not changed.
As shown in fig. 2, the waterproof lamp further comprises a control system for controlling the on-off of the electric driving member 3 and the power supply; the control system includes: the distance detection unit is used for detecting whether a control component is arranged below the waterproof lamp or not and outputting a distance measurement signal; and the processing unit is coupled with the output end of the distance detection unit and used for receiving the ranging signal and controlling the on-off between the electric driving piece 3 and the power supply according to the ranging signal.
As shown in fig. 1, the distance detecting unit includes a distance sensor 4 mounted on a bracket 1 to which no motor is mounted. As shown in fig. 2, the output end of the distance sensor 4 outputs the ranging signal, the ranging signal is a voltage signal, and the processing unit includes: a comparison circuit 51, coupled to the output end of the distance detection unit, for comparing the received ranging signal with a reference voltage to output a control signal; a switch circuit 52, coupled to the output terminal of the comparison circuit 51, for controlling the on/off between the electric driving member 3 and the power source according to the switch control signal.
As shown in fig. 2, the comparison circuit 51 includes: a reference voltage generating circuit 53 having a resistor R1, one end of which is coupled to a first direct current Vout _1, and the other end of which is connected in series with a resistor R2 and then grounded; wherein the reference voltage is generated between the resistor R1 and the resistor R2; and the comparator A is provided with a same-phase input end, an opposite-phase input end and an output end, the same-phase input end of the comparator A is coupled with the output end of the distance detection unit, the opposite-phase input end of the comparator A is coupled with the connection point of the resistor R1 and the resistor R2, and the output end of the comparator A outputs the control signal.
As shown in fig. 2, the switching circuit 52 includes: an NPN triode Q1, the emitter of which is grounded, the base of which is coupled with the output end of the AND gate through a resistor R3 and is grounded with the emitter through a resistor R4; a relay KM, one end of the coil of which is coupled to a second direct current Vout _2, the other end of which is coupled to the collector of the NPN triode Q1, and a normally open contact switch S1 of which is connected in series between the electric controller and the power supply; the anode of the diode D1 is coupled to the second direct current Vout _2, and the cathode of the diode D1 is coupled between the collector of the NPN transistor Q1 and the coil of the relay KM.
Because the lamp tube 2 emits light on a single surface, the irradiation angle is certain; when the distance between the distance sensor 4 and the control part reaches a preset value, the power supply is switched on, and the motor is started to drive the lamp tube 2 to rotate, so that the irradiation angle of the lamp tube 2 is adjusted; when the control part is far away from the distance sensor 4, the power supply is cut off and the motor stops working.
The power supplies are all direct current power supplies.
Example 2: a waterproof lamp, as shown in figure 3, comprises a lamp tube 2 which emits light on a single surface and a bracket 1 for mounting the lamp tube 2. The structure of the lamp tube 2 can be that a lamp source plate is arranged in the excircle tube, only one side of the lamp source plate is provided with a lamp sheet, so that the lamp source plate can only emit light on a single side, and the single side refers to an arc-shaped surface because the lamp tube 2 is cylindrical. Two brackets 1 are arranged and are respectively positioned at two ends of the lamp tube 2; a semicircular groove 11 is formed in the bracket 1, and the lamp tube 2 is placed in the semicircular groove 11; both sides of the semicircular groove 11 are both fixed with elastic arc-shaped strips 12, the support 1 is further connected with a clamp 13 through screws, the lamp tube 2 is fixed through the elastic arc-shaped strips 12 and the clamp 13, and the lamp tube 2 has certain friction force with the semicircular groove 11, the elastic arc-shaped strips 12 and the clamp 13, so that the lamp tube 2 cannot rotate under the condition of not being influenced by external force. Referring to fig. 4, an electric driving member 3 is fixed on the lamp 2, in the present embodiment, the electric driving member 3 is a motor, an output shaft thereof is connected with a main reel 61, a sub-reel 62 which rotates in reverse synchronization with the main reel 61 is further connected on the lamp 2, a main gear 91 is fixed on the main reel 61, a sub-gear 92 which is engaged with the main gear 91 is fixed on the sub-reel 62, the gear ratio of the main gear 91 to the sub-gear 92 is 1:1, a first pull rope 63 is connected on the main reel 61, and a second pull rope 64 is connected on the sub-reel 62. The wiring of the lamp tube 2 is connected from the center of the other end, when the lamp tube 2 rotates, the part of the wiring, which is positioned outside the lamp tube 2, is twisted, and the internal wiring is not changed.
As shown in fig. 5, the waterproof lamp further comprises a control system for controlling the on-off of the electric driving member 3 and the power supply; the control system comprises a distance detection unit, a first distance measurement unit and a second distance measurement unit, wherein the distance detection unit is used for detecting whether a control component is arranged below the waterproof lamp or not and outputting a first distance measurement signal and a second distance measurement signal; and the processing unit is coupled to the output end of the distance detection unit and controls the connection between the electric driving part 3 and the power supply according to the first ranging signal and the second ranging signal.
As shown in fig. 3, the distance detecting unit includes a first distance sensor 81 and a second distance sensor 82 installed on the bracket 1 far from the electric driving member 3, and the first distance sensor 81 and the second distance sensor 82 are spaced apart from both sides of the bracket 1, respectively. As shown in fig. 5, the output end of the first distance sensor 81 outputs the first ranging signal, the first ranging signal is a voltage signal, and the processing unit includes:
referring to fig. 5, a first comparing circuit 71, coupled to an output terminal of the first distance sensor 81, compares the received first ranging signal with a first reference voltage to output a first control signal;
referring to fig. 5, the second comparing circuit 72 is coupled to the output terminal of the second distance sensor 82, and compares the received second ranging signal with a second reference voltage to output a second control signal;
referring to fig. 5, a switch circuit 73, coupled to the output terminals of the first comparator circuit 71 and the second comparator circuit 72, controls the connection between the electric driver 3 and the power source according to the first control signal and the second control signal.
As shown in fig. 5, the first comparison circuit 71 includes:
the first reference voltage generating circuit 74 has a resistor R1, one end of which is coupled to a first direct current Vout _1, and the other end of which is connected in series with a resistor R2 and then grounded; wherein the first reference voltage is generated between the resistor R1 and the resistor R2;
a comparator a having a non-inverting input terminal coupled to the output terminal of the first distance sensor 81, an inverting input terminal coupled to a connection point of the resistor R1 and the resistor R2, and an output terminal outputting the first switch signal;
the second comparison circuit 72 includes:
a second reference voltage generating circuit 75 having a resistor R3, one end of which is coupled to a first direct current Vout _1, and the other end of which is connected in series with a resistor R4 and then grounded; wherein the second reference voltage is generated between the resistor R3 and the resistor R4;
a comparator B having a non-inverting input terminal coupled to the output terminal of the second distance sensor 82, an inverting input terminal coupled to a connection point of the resistor R3 and the resistor R4, and an output terminal outputting the second control signal;
as shown in fig. 5, the switch circuit 73 includes a motor driving chip of model LG9110, PIN1 and PIN4 of which are coupled to the positive terminal and the negative terminal of the motor, respectively, PIN2 and PIN3 are coupled to the second direct current Vout _2, pin5 and PIN8, respectively, and are grounded, and PIN6 and PIN7 are coupled to the output terminals of the comparator a and the comparator B, respectively.
The lamp tube 2 emits light on a single surface, so that the illumination angle is fixed, the waterproof lamp is arranged at a high position, and the support 1 is connected with the house hook during installation; when the distance between the first distance sensor 81 and the control part reaches a preset value, the motor reversely rotates to drive the first pull rope 63 and the second pull rope 64 to respectively separate from the main reel 61 and the auxiliary reel 62, so that a human hand can touch the first pull rope 63 and the second pull rope 64, and the first pull rope 63 and the second pull rope 64 are manually pulled to drive the lamp tube 2 to rotate relative to the bracket 1 so as to adjust the irradiation angle; after the adjustment is completed, the control part extends into the lower part of the second distance sensor 82, and after the distance between the second distance sensor 82 and the control part reaches a preset value, the motor rotates forwards to drive the first pull rope 63 and the second pull rope 64 to wind back on the main reel 61 and the auxiliary reel 62.
The shell part of the lamp tube 2 is made of heat-conducting plastic a, and the heat-conducting plastic a comprises the following components in parts by mass: 1800 mesh carbon nanotube powder: 10-12 parts; polyethylene wax: 9-10 parts; polyvinyl alcohol: 17-20 parts; polyethylene particles: 38-40 parts; polypropylene: 45-48 parts of a solvent; 6-8 parts of mixed powder, wherein the mixed powder is prepared from aluminum powder, magnesium powder and silicon powder according to a mass ratio of 5;
1) Stirring 11 parts of carbon nano tube, 9 parts of polyethylene wax, 20 parts of polyvinyl alcohol and 40 parts of polyethylene particles, heating to 160 ℃, and mixing to obtain mother liquor; 2) 6 parts of the mixed powder and 46 parts of polypropylene are added into the mother solution, heated to 267 ℃, mixed and stirred, and then introduced into a mold. The thermal conductivity is 276W/m.K.
The thermally conductive plastic b is different from the thermally conductive plastic a; the mixed powder is aluminum powder; the thermal conductivity is 201W/m.K;
the thermally conductive plastic c is different from the thermally conductive plastic a; the mixed powder is copper powder; its thermal conductivity is 217W/m.K;
the thermally conductive plastic d is different from the thermally conductive plastic a; the mixed powder is magnesium powder; its thermal conductivity coefficient is 198W/m.K;
thermally conductive plastic e differs from thermally conductive plastic a; the mixed powder is prepared from aluminum powder, magnesium powder and silicon powder according to the mass ratio of 5; the thermal conductivity is 215W/m.K.
The thermally conductive plastic f differs from the thermally conductive plastic a; the mixed powder is prepared from aluminum powder, magnesium powder and silicon powder according to the mass ratio of 3; its thermal conductivity is 223W/m.K.
The thermally conductive plastic g is different from the thermally conductive plastic a; the mixed powder is prepared from aluminum powder, magnesium powder and silicon powder according to the mass ratio of 2; the thermal conductivity is 209W/m.K.
The thermally conductive plastic h differs from the thermally conductive plastic a; the mixed powder is prepared from aluminum powder, magnesium powder and silicon powder according to the mass ratio of 6; the thermal conductivity is 225W/m.K.
Claims (2)
1. A waterproof lamp, characterized in that: the lamp tube comprises a lamp tube (2) with a single side emitting light, a bracket (1) for mounting the lamp tube (2), wherein the lamp tube (2) is connected with the bracket (1) in a circumferential rotating manner, the lamp tube (2) is connected with a manual control part for driving the lamp tube (2) to rotate and an electric driving part (3) for driving the manual control part to lift, and the lamp tube further comprises a control system for controlling the electric driving part (3) and a power supply to be switched on and off; the control system includes: the distance detection unit is used for detecting whether a control component is arranged below the waterproof lamp or not and outputting a first distance measurement signal and a second distance measurement signal; the processing unit is coupled with the output end of the distance detection unit and controls the connection between the electric driving piece (3) and the power supply according to the first ranging signal and the second ranging signal; electric drive spare (3) are fixed on fluorescent tube (2), main reel (61) is connected to the output of electric drive spare (3), still connect on fluorescent tube (2) and vice reel (62) with main reel (61) reverse synchronous rotation, manual control includes that one end is connected and the other end is first stay cord (63) of free end, one end is connected and the other end is second stay cord (64) of free end with vice reel (62), one end is connected and the other end is the free end, distance detecting element is including installing first distance sensor (81) and second distance sensor (82) on support (1), the output of first distance sensor (81) is exported first range finding signal, first range finding signal is voltage signal, processing unit includes: a first comparison circuit (71), coupled to an output terminal of the first distance sensor (81), for comparing the received first ranging signal with a first reference voltage to output a first control signal; a second comparison circuit (72) coupled to an output terminal of the second distance sensor (82) for comparing the received second ranging signal with a second reference voltage to output a second control signal; a switching circuit (73) coupled to the output of the first comparator circuit (71) and the second comparator circuit (72) for controlling the connection between the electric driver (3) and the power source according to the first control signal and the second control signal; when the distance between the first distance sensor (81) and the control component reaches a preset value, the electric driving component (3) reversely rotates to drive the first pull rope (63) and the second pull rope (64) to respectively separate from the main reel (61) and the auxiliary reel (62), so that the control component can touch the first pull rope (63) and the second pull rope (64), and the first pull rope (63) and the second pull rope (64) are pulled by the control component to drive the lamp tube (2) to rotate relative to the bracket (1) so as to adjust the irradiation angle; after the adjustment is finished, the control part extends into the position below the second distance sensor (82), and after the distance between the second distance sensor (82) and the control part reaches a preset value, the electric driving part (3) rotates forwards to drive the first pull rope (63) and the second pull rope (64) to be wound back on the main winding wheel 61 and the auxiliary winding wheel (62).
2. A waterproof light according to claim 1, characterised in that: the electric drive (3) is a motor, and the first comparison circuit (71) comprises: a first reference voltage generating circuit (74) having a resistor R1, one end of which is coupled to a first direct current Vout _1, and the other end of which is connected in series with a resistor R2 and then grounded; wherein the first reference voltage is generated between the resistor R1 and the resistor R2; a comparator A having a non-inverting input terminal coupled to the output terminal of the first distance sensor (81), an inverting input terminal coupled to a connection point of the resistor R1 and the resistor R2, and an output terminal outputting the first control signal; the second comparison circuit (72) includes: a second reference voltage generating circuit (75) having a resistor R3, one end of which is coupled to a first direct current Vout _1, and the other end of which is connected in series with a resistor R4 and then grounded; the comparator B is provided with a non-inverting input end, an inverting input end and an output end, the non-inverting input end of the comparator B is coupled with the output end of the second distance sensor (82), the inverting input end of the comparator B is coupled with the connection point of the resistor R3 and the resistor R4, and the output end of the comparator B outputs the second control signal; the switch circuit (73) comprises a motor driving chip of model LG9110, wherein PINI and PIN4 are respectively coupled with the positive terminal and the negative terminal of the motor, PIN2 and PIN3 are coupled with second direct current Vout _2, PINN 5 and PIN8 are grounded, and PIN6 and PIN7 are respectively coupled with output ends of a comparator A and a comparator B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710204737.9A CN107013824B (en) | 2017-03-30 | 2017-03-30 | Water-proof lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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