Lamp power supply capable of being adjusted to be brightened and extinguished gradually

Abstract

The utility model relates to the technical field of lamp power supplies, in particular to a gradually-lighting and gradually-extinguishing adjustable lamp power supply which comprises a power supply body, a shell, a control assembly and a heat dissipation assembly, and the shell is fixedly installed on one side of the power supply body; the control assembly is fixedly installed in the shell, one side of the control assembly is fixedly connected with the power source body, and the control assembly is used for controlling the current output by the power source body and inputting the current into the lamp in a gradually-increasing mode and inputting the current into the lamp in a gradually-decreasing mode when the power source body is turned off; and the heat dissipation assembly is fixedly installed in the shell and used for sensing and reflecting heat generated when the control assembly works in time and conducting heat dissipation work on the control assembly. Compared with the prior art, the problem of insufficient efficiency or excessive heat dissipation of a traditional heat dissipation design is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of lamp power supply especially relates to a lamp power supply of gradually bright and gradually dark adjustment. BACKGROUND

[0002] Daily LED lamps have gradually replaced traditional daylight lamp lighting lamps, and are more and more used by people. However, the existing LED lamps are bright when turned on and dark when turned off, which will bring discomfort to the eyes of consumers, greatly reduce the use experience of consumers, especially at night, will bring strong eyeball stimulation to consumers, resulting in uncomfortable psychology of consumers. Therefore, some complex programming voltage regulating devices are also introduced on the market to control the opening of LED lamps gradually bright and the closing of LED lamps gradually dark.

[0003] In the prior art, the LED control circuit and its LED lamp of gradually bright and gradually dark opening of CN219893473U disclosed a three aspects of realizing the function of gradually bright and gradually dark opening of seconds, which are composed of alternating current power supply, core inductance, rectifier bridge, energy storage element, LED lamp group, AC / DC circuit, PWM control circuit, energy storage element, first rectifier diode, first MOSFET tube, second MOSFET tube and third MOSFET tube. However, in actual application, the process of control by multiple circuits and electronic elements often accompanies the increase of working environment temperature, thereby affecting the overall working safety of the circuit and causing damage to the circuit. CONTENT OF THE UTILITY MODEL

[0004] Therefore, the utility model aims at providing a lamp power supply of gradually bright and gradually dark adjustment to solve the problem of insufficient or excessive heat dissipation of traditional heat dissipation design.

[0005] In order to achieve the above purpose, the utility model provides a lamp power supply of gradually bright and gradually dark adjustment, which comprises a power supply body, a shell, a control assembly and a heat dissipation assembly.

[0006] The control assembly is fixedly installed in the interior of the shell, one side of which is fixedly connected with the power supply body, and is used for controlling the current output by the power supply body and gradually increasing the input to the interior of the lamp, and when the power supply body is turned off, the current gradually decreases and is input to the lamp.

[0007] The heat dissipation assembly is fixedly installed in the interior of the shell, and is used for sensing and reacting to the heat generated by the control assembly in time, and performing heat dissipation work for the control assembly.

[0008] Preferably, the control assembly comprises two first wires, one end of the first wire is fixedly connected with the power body, a damping resistor is fixedly connected on the first wire away from the power body, another side of the damping resistor is fixedly installed with a capacitor, another end of the capacitor is fixedly connected with another first wire.

[0009] Preferably, the heat dissipation assembly comprises a plurality of fans, the fan is fixedly installed on the inner wall of the shell, the bottom of the fan is fixedly connected with a second wire, another end of the second wire is fixedly connected with a third wire, the inside of the shell is fixedly connected with two limiting plates, the two limiting plates are located on the two sides of the third wire respectively, the middle part of the third wire is provided with a breakpoint, the bottom of the air bag is fixedly connected on the limiting plate, the upper side of the air bag is fixedly connected with a contact plate, the contact plate is located directly below the breakpoint position of the third wire.

[0010] Preferably, the power body is fixedly installed with a display screen, a plurality of indicator lights are fixedly installed on the power body below the display screen, and a switch is fixedly installed on the power body on one side of the shell.

[0011] Preferably, the power body, the first wire, the damping resistor, the capacitor and the lamp are electrically connected.

[0012] Preferably, the fan, the second wire and the third wire are electrically connected with the power body.

[0013] Preferably, the contact plate is an arc-shaped plate-shaped part, and the arc is consistent with the pipe diameter of the third wire, and the contact plate is copper.

[0014] Preferably, a plurality of air holes are formed on the shell and the limiting plate, and a dust screen is fixedly arranged on the air hole position of the shell.

[0015] The utility model discloses the beneficial effect of the following:

[0016] 1. The lamp power supply of gradually bright and gradually dim adjustment, the heat dissipation assembly perceives temperature change through the thermal expansion characteristic of air bag, when the heat accumulation of the heat generated when the control assembly works reaches a certain degree, the air bag expands and pushes the contact plate and the breakpoint of the third wire to contact, and the circuit is started to start the fan, realizes dynamic heat dissipation, and this design can automatically adjust the heat dissipation efficiency according to actual temperature change, avoids the heat dissipation deficiency or overheat, ensures that the control assembly works under the suitable temperature, improves the stability and reliability of system.

[0017] 2. The lamp power supply of the gradual bright and gradual dim adjustment realizes the gradual increase and decrease of the current input through the combination of the damping resistance and the capacitor, avoids the impact of the current mutation on the lamp, when the power body is turned on, the current enters the lamp through the damping resistance and the capacitor in turn, the charging process of the capacitor makes the current present gradually, realizes the gradual bright effect of the lamp; when the power body is turned off, the residual current in the capacitor is gradually released, realizes the gradual dim effect of the lamp, this design not only improves the user experience, but also significantly prolongs the service life of the lamp. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, obviously, the drawings in the following description are only the utility model, for those skilled in the art, without creative labor, other drawings can also be obtained according to these drawings.

[0019] Figure 1 It is the overall structure schematic diagram of the utility model;

[0020] Figure 2 It is the internal partial structure schematic diagram of the utility model;

[0021] Figure 3 It is the control assembly and the heat dissipation assembly structure schematic diagram of the utility model;

[0022] Figure 4 It is the utility model Figure 3 It is the structure enlarged schematic diagram of A in the utility model.

[0023] Marked as in the figure:

[0024] 1, power body;2, display screen;3, indicator lamp;4, switch;5, shell;6, first wire;7, damping resistance;8, capacitor;9, fan;10, second wire;11, limiting plate;12, third wire;13, air bag;14, contact plate. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following is further detailed in combination with specific embodiments.

[0026] It should be noted that, unless otherwise defined, technical terms or scientific terms used in the present application should be understood as the common meaning understood by those skilled in the art to which the present application belongs. The "first", "second" and similar words used in the present application do not represent any order, quantity or importance, but are only used to distinguish different components. "Including" or "containing" and similar words mean that the elements or objects before the word cover the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connected" or "connected" and similar words are not limited to physical or mechanical connection, but can include electrical connection, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to represent the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0027] As shown in Figures 1 to 4 A lamp power supply with gradual brightening and dimming adjustment includes a power body 1, a shell 5, a control assembly, and a heat dissipation assembly. The shell 5 is fixedly installed on one side of the power body 1. A display screen 2 is fixedly installed on one side of the power body 1. A plurality of indicator lights 3 are fixedly installed on the power body 1 below the display screen 2. A switch 4 is fixedly installed on one side of the shell 5 on the power body 1.

[0028] Further, as shown in Figure 2 and Figure 3As shown, the control assembly is fixedly installed inside the shell 5, one side is fixedly connected with the power body 1, for controlling the current output by the power body 1 and gradually increasing the input to the lamp inside, and when the power body 1 is turned off, the current gradually decreases and is input to the lamp, including two first wires 6, one end of the first wire 6 is fixedly connected with the power body 1, and a damping resistor 7 is fixedly connected on the first wire 6 away from the power body 1, the other side of the damping resistor 7 is fixedly installed with a capacitor 8, the other end of the capacitor 8 is fixedly connected with another first wire 6, the power body 1, the first wire 6, the damping resistor 7, the capacitor 8 and the lamp are electrically connected, through the combination of the damping resistor 7 and the capacitor 8, the gradually increasing and gradually decreasing input of the current is realized, the impact of current mutation on the lamp is avoided, the lamp life is prolonged, and the user experience is improved, the damping resistor 7 limits the rapid change of the current, prevents the damage of current mutation to the lamp and the power body 1, reduces the electromagnetic interference, improves the system stability, the capacitor 8 smooths the current fluctuation, ensures that the lamp obtains stable current, and reduces the phenomenon of flicker or uneven brightness. Especially when the power body 1 is turned on or off, the charge and discharge characteristics of the capacitor 8 help the smooth transition of the current, the power body 1, the first wire 6, the damping resistor 7, the capacitor 8 and the lamp are electrically connected, ensuring the reliability of current transmission, reducing the risk of poor contact or short circuit, and improving the safety of the system. When the power is used, the power body 1 and the lamp are connected through the first wire 6, when the power body 1 is turned on, the current will enter the lamp through the damping resistor 7 and the capacitor 8 in turn, when the current passes through the damping resistor 7, it will be stabilized by the damping resistor 7 to ensure the stability of the current reaching the capacitor 8, when the current enters the capacitor 8, it will charge the capacitor 8, at this time the current will flow into the lamp in the form of gradually increasing, which plays the effect of gradually brightening the lamp, when the power body 1 is turned off, the current remaining in the capacitor 8 will gradually decrease and enter the lamp, which plays the effect of gradually extinguishing the lamp.

[0029] Further, as Figures 1 to 4As shown, the heat dissipation assembly is fixedly installed inside the shell 5 for timely sensing and reacting to the heat generated by the control assembly during operation, and dissipating heat for the control assembly, comprising a plurality of fans 9 fixedly installed on the inner wall of the shell 5, the bottom of the fan 9 is fixedly connected with a second lead 10, the other end of the second lead 10 is fixedly connected with a third lead 12, the inside of the shell 5 is fixedly connected with two limiting plates 11, the two limiting plates 11 are respectively located on the two sides of the third lead 12, the middle part of the third lead 12 is provided with a breakpoint, the bottom of the air bag 13 is fixedly connected on the limiting plate 11, the inside of the air bag 13 is filled with a gas with high thermal expansion rate, the air bag 13 itself also has excellent thermal expansion performance, the upper part of the air bag 13 is fixedly connected with a contact plate 14, the contact plate 14 is located directly below the breakpoint position of the third lead 12, the fan 9, the second lead 10 and the third lead 12 are electrically connected with the power supply body 1, the contact plate 14 is an arc-shaped plate-shaped part, and the arc is consistent with the pipe diameter of the third lead 12, the contact plate 14 is copper, a plurality of air holes are formed on the shell 5 and the limiting plate 11, and a dust screen is fixedly arranged at the air hole position on the shell 5, a plurality of fans 9 are fixedly installed on the inner wall of the shell 5, which can quickly discharge heat to ensure that the control assembly works at a suitable temperature, the fan 9 is electrically connected with the power supply body 1 through the second lead 10 and the third lead 12 to realize automatic control without additional control circuit, the fan 9 is electrically connected with the power supply body 1 through the second lead 10 and the third lead 12 to realize automatic control without additional control circuit, when the temperature rises, the air bag 13 expands to push the contact plate 14 to move upward to contact the breakpoint of the third lead 12 to turn on the circuit and start the fan 9, the contact plate 14 is an arc-shaped copper plate which is consistent with the pipe diameter of the third lead 12 to ensure good conductivity when contacting, the copper material has high conductivity and heat resistance, the arc-shaped design ensures that the breakpoint of the third lead 12 and the contact plate 14 can be closely contacted to reduce the contact resistance, the two limiting plates 11 are respectively located on the two sides of the third lead 12 to play a fixing and guiding role to ensure the accurate movement direction of the air bag 13 and the contact plate 14, the bottom of the air bag 13 is fixedly connected on the limiting plate 11 to limit the lateral movement of the air bag 13 to ensure that it can only expand vertically, a plurality of air holes are formed on the shell 5 and the limiting plate 11 to enhance air circulation and improve heat dissipation efficiency, a dust screen is fixedly arranged at the air hole position on the shell 5 to prevent dust from entering the inside to affect the work of the assembly, the breakpoint is formed in the middle part of the third lead 12 to realize the on-off of the circuit through the contact of the contact plate 14 to realize the automation of temperature control, the breakpoint design is simple and reliable without complex control circuit to reduce the cost, the air bag 13 is filled with a gas with high thermal expansion rate to quickly respond to temperature changes to push the contact plate 14 to act, the air bag 13 has excellent thermal expansion performance to ensure that the fan 9 can be started in time when the temperature rises, when the power supply is used, the current flows through the damping resistor 7 and the capacitor 8 through the first lead 6 after the power supply body 1 is turned on,The heat generated in the working process of the damping resistor 7 and the capacitor 8 will cause the air bag 13 to expand, and the expansion of the air bag 13 pushes the contact plate 14 to move upwards until the contact plate 14 contacts the breakpoint of the third wire 12, forming a circuit path, and the fan 9 works to cool the inside of the assembly.

[0030] It should be understood by those of ordinary skill in the art that the above discussion of any of the embodiments is merely exemplary and is not intended to suggest the scope (including claims) of the present application is limited to these examples; under the idea of the present application, the above embodiments or technical features in different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the present application as described above, which are not provided in details for the sake of simplicity.

[0031] The present application is intended to cover all such alternatives, modifications, and variations as fall within the broad scope of the appended claims. Accordingly, any and all such modifications, variations, and equivalents that fall within the spirit and scope of the present application are intended to be included within the scope of the present application.

Claims

1. A power supply for a lighting fixture with gradually brightening and dimming adjustment, characterized in that, include: The power supply body (1), the housing (5), the control components and the heat dissipation components are fixedly installed on one side of the power supply body (1); The control component is fixedly installed inside the housing (5), and one side is fixedly connected to the power supply body (1). It is used to control the current output by the power supply body (1) and gradually increase the input to the lamp, and when the power supply body (1) is turned off, the current gradually decreases the input to the lamp. The heat dissipation component is fixedly installed inside the housing (5) to sense and react to the heat generated by the control component when it is working, and to dissipate heat for the control component.

2. The lighting power supply with gradually brightening and dimming adjustment according to claim 1, characterized in that, The control component includes two first wires (6), one end of which is fixedly connected to the power supply body (1), a damping resistor (7) is fixedly connected on the side of the first wire (6) away from the power supply body (1), a capacitor (8) is fixedly installed on the other side of the damping resistor (7), and another first wire (6) is fixedly connected to the other end of the capacitor (8).

3. A lighting power supply with gradually brightening and dimming adjustment according to claim 2, characterized in that, The heat dissipation assembly includes multiple fans (9), which are fixedly installed on the inner wall of the housing (5). A second wire (10) is fixedly connected to the bottom of the fan (9), and a third wire (12) is fixedly connected to the other end of the second wire (10). Two limiting plates (11) are fixedly connected inside the housing (5). The two limiting plates (11) are located on both sides of the third wire (12). A break point is opened in the middle of the third wire (12). The bottom of an airbag (13) is fixedly connected to the limiting plate (11). A contact plate (14) is fixedly connected above the airbag (13). The contact plate (14) is located directly below the break point of the third wire (12).

4. A lighting power supply with gradually brightening and dimming adjustment according to claim 1, characterized in that, A display screen (2) is fixedly installed on one side of the power supply body (1), and multiple indicator lights (3) are fixedly installed on the power supply body (1) below the display screen (2). A switch (4) is fixedly installed on the power supply body (1) on one side of the outer casing (5).

5. A lighting power supply with gradually brightening and dimming adjustment according to claim 2, characterized in that, The power supply body (1), the first wire (6), the damping resistor (7), the capacitor (8), and the lamp are electrically connected.

6. A lighting power supply with gradually brightening and dimming adjustment according to claim 3, characterized in that, The fan (9), the second wire (10) and the third wire (12) are electrically connected to the power supply body (1).

7. A lighting power supply with gradually brightening and dimming adjustment according to claim 3, characterized in that, The contact plate (14) is an arc-shaped plate-shaped part, and the arc is consistent with the diameter of the third conductor (12). The contact plate (14) is made of copper.

8. A lighting power supply with gradually brightening and dimming adjustment according to claim 3, characterized in that, Multiple air holes are provided on both the outer shell (5) and the limiting plate (11), and a dustproof net is fixedly installed at the position of the air hole on the outer shell (5).

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