Double-head desk lamp
By designing a double-headed desk lamp, using a single bracket to connect two lamp holders and controlling the lamp head through a microcontroller unit and relay, the existing desk lamp cannot meet the use of multiple people, achieving a larger lighting range and personalized lighting experience.
Patent Information
- Application Number
- CN202420394842.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-29
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-02-28
AI Technical Summary
Existing desk lamps are usually a single lamp head, which cannot meet the lighting needs of multiple people at the same time. In the case of limited desktop space, it is not suitable to place multiple desk lamps, resulting in limited lighting areas.
A double-headed desk lamp is designed, using a single bracket to connect two lamp holders, and different lamp heads are controlled separately through microcontroller units and relays to enable opening and closing respectively to meet the needs of multiple people and personalized lighting.
It achieves a larger lighting range and flexible lighting experience, meeting the needs of multiple people, while avoiding the waste of multiple desk lamps, and providing a personalized lighting experience.
Smart Images
Figure CN222186794U_ABST
Abstract
Description
Technical Field
[0001] The present application belongs to the technical field of lighting equipment, and specifically refers to a double-headed desk lamp. Background Art
[0002] Desk lamps are an important part of modern people's study and work, and are also the most common daily necessities in our lives. They provide concentrated lighting in a small area, which makes it convenient for us to study or work. In real life, especially in a family, due to the large number of family members, there may be two or three people reading or studying at the same time. At this time, they usually need to share a desk lamp. However, desk lamps on the market usually have a single lamp head, and the lighting area is limited when multiple people use it. If you buy multiple desk lamps, it will be a waste for family use. Moreover, it is not suitable to place multiple desk lamps when the desktop area is limited. Utility Model Content
[0003] In order to overcome the deficiencies of the prior art, the utility model provides a double-headed desk lamp, which can expand the lighting range, is more suitable for multiple people to work, and can provide a more flexible and humanized lighting experience.
[0004] An embodiment of the utility model provides a double-headed desk lamp, which includes a base and a bracket arranged on the base, wherein a first lampshade, a first lamp holder, a second lampshade and a second lamp holder are respectively arranged on both sides of the bracket, the first lamp holder is connected to the first lamp head, and the second lamp holder is connected to the second lamp head; a first switch, a second switch, a third switch and a fourth switch are arranged on the base; a microcontroller unit, a first relay and a second relay are arranged inside the base, the first relay and the second relay are connected to the microcontroller unit; the first relay is connected to the first lamp head through the first lamp holder, and the second relay is connected to the second lamp head through the second lamp holder.
[0005] Furthermore, the microcontroller includes a single chip microcomputer and an external circuit, the single chip microcomputer is connected to the first relay and the second relay, and the single chip microcomputer controls the opening or closing of the first relay and the second relay.
[0006] Further, the single-chip microcomputer includes several pins, the P2.6 pin and the P2.7 pin of the single-chip microcomputer are connected to the first quartz crystal, the first capacitor and the second capacitor; the RST pin of the single-chip microcomputer is connected to the third capacitor and forms a parallel circuit with the reset button, the parallel circuit is connected in series with the first resistor and then connected to a +3.3V DC power supply, and the other end of the parallel circuit is grounded; the VSS pin of the single-chip microcomputer is grounded.
[0007] Specifically, the first switch is connected to the P1.2 pin of the microcontroller, the second switch is connected to the P1.3 pin of the microcontroller, the third switch is connected to the P1.4 pin of the microcontroller, and the fourth switch is connected to the P1.5 pin of the microcontroller.
[0008] Further, the first switch and the second resistor are connected in series to form a first series branch, the second switch and the third resistor are connected in series to form a second series branch, the third switch and the fourth resistor are connected in series to form a third series branch, and the fourth switch and the fifth resistor are connected in series to form a fourth series branch; the first series branch, the second series branch, the third series branch and the fourth series branch are connected in parallel to form a parallel loop.
[0009] Specifically, one end of the parallel loop is connected to a +3.3V DC power supply, and the other end of the parallel loop is grounded.
[0010] Further, the first relay and the second relay are connected in parallel; the first relay includes a first coil, a first normally open contact and a first normally closed contact, the first normally open contact is connected to the first lamp holder, the other end of the first lamp holder is connected to the neutral line, and the first normally closed contact is connected to the live line; the second relay includes a second coil, a second normally open contact and a second normally closed contact, the second normally open contact is connected to the second lamp holder, the other end of the second lamp holder is connected to the neutral line, and the second normally closed contact is connected to the live line.
[0011] Further, the two ends of the first coil are respectively connected to the first diode, the cathode of the first diode is connected to a +3.3V DC power supply, and the anode of the first diode is connected to the collector of the first transistor; the base of the first transistor is connected to the sixth resistor, the other end of the sixth resistor is connected to the P1.0 pin of the microcontroller, and the emitter of the first transistor is grounded.
[0012] Further, the two ends of the second coil are respectively connected to the second diode, the cathode of the second diode is connected to a +3.3V DC power supply, and the anode of the second diode is connected to the collector of the second transistor; the base of the second transistor is connected to the seventh resistor, the other end of the seventh resistor is connected to the P1.1 pin of the microcontroller, and the emitter of the second transistor is grounded.
[0013] Further, the first switch controls the opening and closing of the first lamp head, the second switch controls the opening and closing of the second lamp head, the third switch controls the first lamp head and the second lamp head to be fully turned on, and the fourth switch controls the first lamp head and the second lamp head to be fully turned off.
[0014] The beneficial effects of the utility model are as follows: the double-head desk lamp provided by the utility model adopts a design of connecting two lamp holders with a single bracket, and controls different lamp holders respectively through a microcontroller unit and two relays, and realizes turning on and off different lamp heads respectively, which can realize lighting for multiple people or for a single person, and satisfies the user's personalized experience of learning and living environment, and provides a more flexible and personalized lighting experience. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The technical solution and other beneficial effects of the present application will be made apparent by describing in detail the specific implementation methods of the present application in conjunction with the accompanying drawings.
[0016] Figure 1 This is a schematic diagram of the structure of the double-headed desk lamp provided in this embodiment.
[0017] Figure 2 This is a circuit structure diagram of the double-headed desk lamp provided for this embodiment.
[0018] Figure 3 This is a circuit structure diagram of the micro control unit provided in this embodiment.
[0019] Figure 4 Schematic diagram of the switch structure circuit in this embodiment.
[0020] Figure 5 Schematic diagram of the circuit structure of the relay and the lamp holder in this embodiment.
[0021] The components in the figure are numbered as follows: micro control unit 1, switch 2, lamp holder 3, base 4, bracket 5, first relay 21, second relay 22, first lamp holder 31, second lamp holder 32, first lamp cap 41, second lamp cap 42. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present application.
[0023] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.
[0024] The disclosure below provides many different embodiments or examples to realize the different structures of the present application. In order to simplify the disclosure of the present application, the parts and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the present application. In addition, the present application can repeat reference numbers and / or reference letters in different examples, and this repetition is for the purpose of simplification and clarity, which itself does not indicate the relationship between the various embodiments and / or settings discussed. In addition, the various specific processes and material examples provided by the present application, but those of ordinary skill in the art can appreciate the application of other processes and / or the use of other materials.
[0025] Desk lamps are an important part of modern people's study and work. With the development of the times, the scenes that require desk lamps have become more diverse. In order to solve the demand for large-scale lighting when the desktop space is limited, the embodiment of the utility model provides a double-headed desk lamp, which can expand the lighting range, is more suitable for multiple people to work, and can provide a more flexible and humanized lighting experience.
[0026] Figure 1 This is a schematic diagram of the structure of the double-headed desk lamp provided in this embodiment. Figure 2 A schematic diagram of the circuit structure provided for this implementation.
[0027] like Figure 1 , Figure 2As shown, the double-headed desk lamp provided in this embodiment includes a base 4 and a bracket 5 arranged on the base 4, a lamp holder 3 is arranged on the bracket 5, the lamp holder 3 includes a first lamp holder 31 and a second lamp holder 32, a first lampshade, a first lamp holder 31, a second lampshade and a second lamp holder 32 are arranged on both sides of the bracket 5 respectively, the first lamp holder 31 is connected to the first lamp head 41, and the second lamp holder 32 is connected to the second lamp head 42; a switch is arranged on the base 4, and the switch includes a first switch S2, a two-open switch S3, a third switch and a four-open switch S5; a micro control unit 1, a first relay 21 and a second relay 22 are arranged inside the base 4, the first relay 21 and the second relay 22 are connected to the micro control unit 1; the first relay 21 is connected to the first lamp head 41 through the first lamp holder 31, and the second relay 22 is connected to the second lamp head 42 through the second lamp holder 32.
[0028] Specifically, the micro control unit 1 includes a single chip microcomputer and an external circuit. The single chip microcomputer is connected to the first relay 21 and the second relay 22 . The single chip microcomputer controls the opening or closing of the first relay 21 and the second relay 22 .
[0029] In this embodiment, the single chip microcomputer is described by taking the single chip microcomputer of MSP430G2553 model as an example.
[0030] Figure 3 FIG. 1 is a circuit diagram of the micro control unit 1 provided in this embodiment. Figure 3 As shown, the single-chip microcomputer includes several pins, the P2.6 pin and the P2.7 pin of the single-chip microcomputer are connected to the first quartz crystal Y1, the first capacitor C1 and the second capacitor C2; the RST pin of the single-chip microcomputer is connected to the third capacitor C3 and forms a parallel circuit with the reset button S1, the parallel circuit is connected in series with the first resistor R1 and then connected to a +3.3V DC power supply, and the other end of the parallel circuit is grounded; the VSS pin of the single-chip microcomputer is grounded.
[0031] In this embodiment, the oscillator frequency of the first quartz crystal Y1 is 32KHZ, the sizes of the first capacitor C1 and the second capacitor C2 are 12PF, the size of the third capacitor C3 is 0.1uF, and the size of the first resistor R1 is 6.8k ohms.
[0032] In this embodiment, the first switch S2, the second switch S3, the third switch and the fourth switch S5 are used to control the opening and closing of the first lamp holder 41 and the second lamp holder 42. In this embodiment, the first lamp holder 41 and the second lamp holder 42 are described by taking Cree Lighting A19 LED bulb as an example.
[0033] Figure 4 FIG. 1 is a schematic diagram of the switch structure circuit in this embodiment. Figure 4 As shown, the first switch S2 is connected to the P1.2 pin of the single-chip microcomputer, the second switch S3 is connected to the P1.3 pin of the single-chip microcomputer, the third switch is connected to the P1.4 pin of the single-chip microcomputer, and the fourth switch S5 is connected to the P1.5 pin of the single-chip microcomputer.
[0034] Specifically, the first switch S2 and the second resistor R2 are connected in series to form a first series branch, the second switch S3 and the third resistor R3 are connected in series to form a second series branch, the third switch and the fourth resistor R4 are connected in series to form a third series branch, and the fourth switch S5 and the fifth resistor R5 are connected in series to form a fourth series branch; the first series branch, the second series branch, the third series branch and the fourth series branch are connected in parallel to form a parallel loop. One end of the parallel loop is connected to a +3.3V DC power supply, and the other end of the parallel loop is grounded.
[0035] The second resistor R2 has a value of 3.3k ohms, the third resistor R3 has a value of 3.3k ohms, the fourth resistor R4 has a value of 3.3k ohms, and the fifth resistor R5 has a value of 3.3k ohms.
[0036] Figure 5 Schematic diagram of the circuit structure of the relay and the lamp holder in this embodiment. In this embodiment, a CJX20901 relay and an NPN transistor S8050 are used as examples for explanation.
[0037] like Figure 5 As shown, the first relay 21 and the second relay 22 are connected in parallel; the first relay 21 includes a first coil, a first normally open contact and a first normally closed contact, the first normally open contact is connected to the first lamp holder 31, the other end of the first lamp holder 31 is connected to the neutral line, and the first normally closed contact is connected to the live line; the second relay 22 includes a second coil, a second normally open contact and a second normally closed contact, the second normally open contact is connected to the second lamp holder 32, the other end of the second lamp holder 32 is connected to the neutral line, and the second normally closed contact is connected to the live line.
[0038] Among them, the two ends of the first coil are respectively connected to the first diode D1, the cathode of the first diode D1 is connected to the +3.3V DC power supply, and the anode of the first diode D1 is connected to the collector of the first transistor Q1; the base of the first transistor Q1 is connected to the sixth resistor R6, the other end of the sixth resistor R6 is connected to the P1.0 pin of the microcontroller, and the emitter of the first transistor Q1 is grounded.
[0039] The two ends of the second coil are respectively connected to the second diode D2, the cathode of the second diode D2 is connected to a +3.3V DC power supply, and the anode of the second diode D2 is connected to the collector of the second transistor Q2; the base of the second transistor Q2 is connected to the seventh resistor R7, the other end of the seventh resistor R7 is connected to the P1.1 pin of the microcontroller, and the emitter of the second transistor Q2 is grounded.
[0040] Specifically, in this embodiment, the sixth resistor R6 has a value of 3.3K ohms, and the seventh resistor R7 has a value of 3.3K ohms.
[0041] Specifically, the first normally closed contact is pin 1 and pin 2 of the first relay 21, wherein pin 1 is connected to the live wire; the first normally open contact is pin 3 of the first relay 21, pin 3 is connected to the first lamp holder 31, and the first lamp holder 31 is connected to the first lamp cap 41; the two ends of the first coil are pin 4 and pin 5 of the first relay 21. In the power-off state, pin 1 and pin 2 are in contact, and the two ends of the first lamp cap 41 are disconnected; when the first coil is powered on, pin 1 and pin 3 are in contact, the two ends of the first lamp cap 41 are connected, and the first lamp cap 41 is lit.
[0042] In this embodiment, the first relay 21 and the second relay 22 have the same structure, which will not be described in detail.
[0043] Since the first relay 21 is connected to the P1.0 pin of the single-chip microcomputer, the second relay 22 is connected to the P1.1 pin of the single-chip microcomputer, the first switch S2 is connected to the P1.2 pin of the single-chip microcomputer, the second switch S3 is connected to the P1.3 pin of the single-chip microcomputer, the third switch is connected to the P1.4 pin of the single-chip microcomputer, and the fourth switch S5 is connected to the P1.5 pin of the single-chip microcomputer, the first switch S2 can control the opening and closing of the first lamp holder 41, the second switch S3 can control the opening and closing of the second lamp holder 42, the third switch can control the first lamp holder 41 and the second lamp holder 42 to be fully opened, and the fourth switch S5 can control the first lamp holder 41 and the second lamp holder 42 to be fully closed. That is, the double-headed desk lamp provided in this embodiment can control different lamp holders respectively, and realize the opening and closing of different lamp holders respectively.
[0044] In conclusion, the double-head desk lamp provided by the utility model adopts a design in which a single bracket 5 connects two lamp holders, and controls different lamp holders respectively through a microcontroller unit 1 and two relays, and realizes opening and closing of different lamp heads respectively, which can realize lighting for multiple people or single use. It satisfies the user's personalized experience of learning and living environment, and provides a more flexible and personalized lighting experience.
[0045] Although the preferred embodiments of the utility model embodiments have been described, those skilled in the art may make additional changes and modifications to these embodiments once they are aware of the basic creative concepts. Therefore, the attached claims are intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of the utility model embodiments. Finally, it should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or terminal device including a series of elements includes not only those elements, but also other elements that are not explicitly listed, or also includes elements inherent to such process, method, article or terminal device. In the absence of more restrictions, the elements defined by the sentence "including one..." do not exclude the existence of other identical elements in the process, method, article or terminal device including the elements.
[0046] The double-headed desk lamp provided in the embodiment of the present application is introduced in detail above. Specific examples are used in this article to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the technical solution and its core idea of the present application. Ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some of the technical features therein with equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.
Claims
1. A double-headed desk lamp, characterized in that: The double-headed desk lamp includes a base and a bracket arranged on the base, and a first lampshade, a first lamp holder, a second lampshade and a second lamp holder are respectively arranged on both sides of the bracket, the first lamp holder is connected to the first lamp head, and the second lamp holder is connected to the second lamp head; a first switch, a second switch, a third switch and a fourth switch are arranged on the base; a micro control unit, a first relay and a second relay are arranged inside the base, and the first relay and the second relay are connected to the micro control unit; the first relay is connected to the first lamp head through the first lamp holder, and the second relay is connected to the second lamp head through the second lamp holder.
2. The double-headed desk lamp according to claim 1, characterized in that: The microcontroller includes a single chip microcomputer and an external circuit. The single chip microcomputer is connected to the first relay and the second relay. The single chip microcomputer controls the opening or closing of the first relay and the second relay.
3. The double-headed desk lamp according to claim 2, characterized in that: The single-chip microcomputer includes several pins, the P2.6 pin and the P2.7 pin of the single-chip microcomputer are connected to the first quartz crystal, the first capacitor and the second capacitor; the RST pin of the single-chip microcomputer is connected to the third capacitor and forms a parallel circuit with the reset button, the parallel circuit is connected in series with the first resistor and then connected to a +3.3V DC power supply, and the other end of the parallel circuit is grounded; the VSS pin of the single-chip microcomputer is grounded.
4. The double-headed desk lamp according to claim 3, characterized in that: The first switch is connected to the P1.2 pin of the single-chip microcomputer, the second switch is connected to the P1.3 pin of the single-chip microcomputer, the third switch is connected to the P1.4 pin of the single-chip microcomputer, and the fourth switch is connected to the P1.5 pin of the single-chip microcomputer.
5. The double-headed desk lamp according to claim 4, characterized in that: The first switch and the second resistor are connected in series to form a first series branch, the second switch and the third resistor are connected in series to form a second series branch, the third switch and the fourth resistor are connected in series to form a third series branch, and the fourth switch and the fifth resistor are connected in series to form a fourth series branch; the first series branch, the second series branch, the third series branch and the fourth series branch are connected in parallel to form a parallel loop.
6. The double-headed desk lamp according to claim 5, characterized in that: One end of the parallel loop is connected to a +3.3V DC power supply, and the other end of the parallel loop is grounded.
7. The double-headed desk lamp according to claim 4, characterized in that: The first relay and the second relay are connected in parallel; the first relay includes a first coil, a first normally open contact and a first normally closed contact, the first normally open contact is connected to the first lamp holder, the other end of the first lamp holder is connected to the neutral line, and the first normally closed contact is connected to the live line; the second relay includes a second coil, a second normally open contact and a second normally closed contact, the second normally open contact is connected to the second lamp holder, the other end of the second lamp holder is connected to the neutral line, and the second normally closed contact is connected to the live line.
8. The double-headed desk lamp according to claim 7, characterized in that: The two ends of the first coil are respectively connected to the first diode, the cathode of the first diode is connected to a +3.3V DC power supply, and the anode of the first diode is connected to the collector of the first transistor; the base of the first transistor is connected to the sixth resistor, the other end of the sixth resistor is connected to the P1.0 pin of the microcontroller, and the emitter of the first transistor is grounded.
9. The double-headed desk lamp according to claim 8, characterized in that: The two ends of the second coil are respectively connected to the second diode, the cathode of the second diode is connected to a +3.3V DC power supply, and the anode of the second diode is connected to the collector of the second transistor; the base of the second transistor is connected to the seventh resistor, the other end of the seventh resistor is connected to the P1.1 pin of the microcontroller, and the emitter of the second transistor is grounded.
10. The double-headed desk lamp according to claim 9, characterized in that: The first switch controls the opening and closing of the first lamp head, the second switch controls the opening and closing of the second lamp head, the third switch controls the first lamp head and the second lamp head to be fully opened, and the fourth switch controls the first lamp head and the second lamp head to be fully closed.