Illuminating lamp assembly for household appliance

Abstract

A lighting lamp assembly for a household appliance comprises a lamp holder, a lampshade covers the top of the lamp holder, the lampshade is made of transparent materials and is of a hollow shell-shaped structure, and a first electrode plate and a second electrode plate which penetrate through the upper end face and the lower end face of the lamp holder are further arranged in the lamp holder. The power line is connected with the first electrode plate and the second electrode plate on the lower portion of the lamp holder. The light-emitting module located in the lampshade is connected with the first electrode plate and the second electrode plate on the upper portion of the base. Wherein the light-emitting module comprises a full-wave rectifier bridge composed of four light-emitting PN junctions, and direct current output by the output end of the rectifier bridge is supplied to a plurality of main light-emitting PN junctions for use; one input end of the full-wave rectifier bridge is connected in series with a dropping resistor and then connected with the first electrode plate, and the other input end of the full-wave rectifier bridge is connected with the second electrode plate. The beneficial effects of the utility model are that by adopting the light-emitting module and combining the full-wave rectifier bridge and the LED filament technology, the efficiency of converting electric energy into light energy can be effectively improved.

Description

Technical Field

[0001] The utility model relates to a lighting device, in particular to a lighting lamp assembly for household appliances. Background Art

[0002] In modern home life and home appliance applications, lighting devices play a vital role, not only providing necessary lighting for use at night or in low light conditions, but also enhancing the aesthetics and user experience of the product. However, traditional lighting solutions, especially the widely used tungsten filament bulbs, have significant deficiencies in many aspects.

[0003] First of all, the working principle of tungsten filament bulbs is to pass current through the tungsten filament to heat it to a high temperature to emit light. In this process, a lot of energy is lost in the form of heat, resulting in low lighting efficiency. This inefficient energy conversion not only increases energy consumption, but also means that tungsten filament bulbs will generate a lot of heat under long-term use, which may pose a threat to the safety and stability of household appliances.

[0004] Secondly, due to the characteristics of its working principle, tungsten filaments are very easy to break in physical vibration or temperature changes, which greatly reduces the reliability of tungsten filament bulbs during transportation and use. In home appliances and furniture products, this low reliability means higher repair and replacement costs, reducing the overall user satisfaction.

[0005] In addition, from an environmental perspective, there are potential environmental risks in the production and disposal of tungsten filament bulbs, such as the use of heavy metals and other harmful substances, which increases the burden on the environment.

[0006] In recent years, with the development of LED technology, LED bulbs have gradually become the new favorite of the lighting market due to their high efficiency, long life and environmental protection. LED bulbs generate light through semiconductor materials, with high conversion efficiency, low heat generation, and much lower sensitivity to vibration and temperature changes than traditional tungsten filament bulbs, which improves product reliability and service life. However, despite the obvious advantages of LED technology, existing LED lighting solutions still face challenges in cost and design complexity.

[0007] For example, patent CN102280358A uses tungsten filament bulbs, which have high energy consumption and are prone to broken filaments; patents CN206036828U, CN209309950U, CN212537545U, and CN212961115U also use LED filaments, but the product structure is complex, using glass bulbs, glass filament brackets, vacuum bulbs, etc. The production process must be high temperature, vacuum, and inert gas filling, resulting in high product costs. Patent CN216844313U uses traditional LED lamp beads and a switch step-down power supply device. The light-emitting range is limited and the product cost is high, so it is necessary to make further improvements. Utility Model Content

[0008] The purpose of the utility model is to overcome the shortcomings of the existing technology and provide a device that combines the high efficiency and environmental protection characteristics of LED lighting, while optimizing the design and production process to reduce costs and improve the overall performance and user experience of the product.

[0009] The utility model aims to achieve the following objectives: a lighting lamp assembly for household appliances, comprising a lamp holder, a lamp shade is installed on the top of the lamp holder, the lamp shade is made of a transparent material into a hollow shell structure, a first electrode sheet and a second electrode sheet are arranged in the lamp holder through the upper and lower end surfaces thereof, a power line is respectively connected to the first electrode sheet and the second electrode sheet at the lower part of the lamp holder, and a light-emitting module located inside the lamp shade is connected to the first electrode sheet and the second electrode sheet at the upper part of the base;

[0010] Among them, the light-emitting module includes a full-wave rectifier bridge composed of four luminous PN junctions, and the direct current output from the output end of the rectifier bridge is used for several main light-emitting PN junctions; one of the input ends of the full-wave rectifier bridge is connected to a dropper resistor, the other end of the dropper resistor is connected to the first electrode sheet, and the other input end of the full-wave rectifier bridge is connected to the second electrode sheet.

[0011] The full-wave rectifier bridge and the main light-emitting PN junction are packaged in the filament.

[0012] The voltage-dropping resistor is vertically mounted on the top of the first electrode sheet, the filament is vertically mounted on the top of the voltage-dropping resistor, one end of the conductive supporting metal wire is connected to the filament, and the other end is connected to the second electrode sheet.

[0013] The conductive supporting metal wire is bent into an "L" shape, and the main body of the conductive supporting metal wire is arranged in parallel with the voltage-dropping resistor and the filament.

[0014] The upper end surface of the lamp holder is provided with a connecting seat protruding from the end surface, and the lampshade is sleeved outside the connecting seat and fixed.

[0015] A PCB board is fixedly installed in the lamp holder, and the first electrode sheet and the second electrode sheet are welded and fixed on the PCB board.

[0016] The beneficial effects of the utility model are: 1. Simple structure, low production cost, and improved market competitiveness. 2. By adopting a light-emitting module, combined with a full-wave rectifier bridge and LED filament technology, the utility model can effectively improve the efficiency of converting electrical energy into light energy. Compared with traditional tungsten filament bulbs, the lighting lamp assembly of the utility model has low heat generation and low energy consumption, thereby reducing energy consumption and achieving a more environmentally friendly and economical lighting solution. 3. The diode characteristics of multiple PN junctions of the LED form a full-wave rectifier circuit to form a direct current, which is then reduced through a resistor to replace the traditional rectifier board module and high-power DC LED lamp beads. At the same time, the double-sided opening technology of the LED filament circuit is used to achieve 360-degree light emission of the LED filament, thereby meeting the performance requirements of the bulb and greatly reducing the cost of the product in principle. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is the general assembly drawing of the utility model structure.

[0018] Figure 2 This is the structural assembly drawing of the utility model.

[0019] Figure 3 The utility model is a schematic diagram of the structure after the lampshade and the lamp holder are hidden.

[0020] Figure 4 This is the electrical schematic diagram of the utility model. DETAILED DESCRIPTION

[0021] The utility model is further described in detail below with reference to the accompanying drawings. A lighting lamp assembly for household appliances, comprising a lamp holder 1, a lamp shade 2 is installed on the top of the lamp holder 1, the lamp shade 2 is made of a transparent material into a hollow shell structure, the lamp holder 1 is also provided with a first electrode sheet 3 and a second electrode sheet 4 penetrating the upper and lower end surfaces thereof, a power line is respectively connected to the first electrode sheet 3 and the second electrode sheet 4 at the bottom of the lamp holder 1, and a light-emitting module located inside the lamp shade 2 is connected to the first electrode sheet 3 and the second electrode sheet 4 at the top of the base;

[0022] Among them, the light-emitting module includes a full-wave rectifier bridge composed of four luminous PN junctions, and the direct current output from the output end of the rectifier bridge is used for several main light-emitting PN junctions; one of the input ends of the full-wave rectifier bridge is connected to a dropper resistor, the other end of the dropper resistor is connected to the first electrode sheet, and the other input end of the full-wave rectifier bridge is connected to the second electrode sheet.

[0023] The full-wave rectifier bridge and the main light-emitting PN junction are packaged in the filament 5.

[0024] The step-down resistor 6 is vertically mounted on the top of the first electrode sheet 3 , the filament 5 is vertically mounted on the top of the step-down resistor 6 , one end of the conductive supporting wire 7 is connected to the filament 5 , and the other end is connected to the second electrode sheet 4 .

[0025] The conductive supporting metal wire 7 is bent into an "L" shape, and the main body of the conductive supporting metal wire 7 is arranged in parallel with the voltage-dropping resistor 6 and the filament 5 .

[0026] The upper end surface of the lamp holder 1 is provided with a connecting seat 8 protruding from the end surface, and the lampshade 2 is sleeved outside the connecting seat 8 and fixed.

[0027] A PCB board 9 is fixedly installed in the lamp holder 1 , and the first electrode sheet 3 and the second electrode sheet 4 are fixed on the PCB board 9 by welding.

[0028] Working principle: The structure of the utility model consists of three parts: 1. Transparent lampshade, which is made of transparent plastic material or other transparent materials.

[0029] The light-emitting module part is formed by injection molding of plastic materials or other insulating materials.

[0030] The LED filament of the light-emitting module is composed of a full-wave rectifier circuit consisting of four luminous PN junctions. The rectified DC power supplies several luminous PN junctions. The power supply circuit can be set to 220V AC power supply, 110V AC power supply or other voltage power supply by adjusting the resistance value, PN junction voltage and PN junction circuit. Therefore, it has the advantage of wide voltage use, which is suitable for use in various regions and improves its scope of application.

[0031] In order to fix the light-emitting module, the light-emitting module and the electric supporting wire and the voltage-dropping resistor are connected to the first electrode sheet and the second electrode sheet in this case. The electric supporting wire and the voltage-dropping resistor play a role in supporting and fixing the light-emitting module.

[0032] Among them, the light-emitting module, conductive supporting metal wire, step-down resistor, PCB fixing plate, first electrode sheet and second electrode sheet form a complete LED lamp power supply circuit. When the terminal plugs on the first electrode sheet and the second electrode sheet are connected to an external power supply, the LED lamp can be lit.

[0033] The lampshade is a transparent plastic shell. After the lampshade is sleeved on the connecting seat provided on the upper end surface of the lamp holder 1, the transparent lamp shell and the connecting seat are bonded into one by ultrasonic welding or other methods.

[0034] Among them, the lamp holder is made of plastic injection molding or other insulating materials, the wick assembly, the LED filament and metal support, and the step-down resistor pass through the holes on the lamp holder and enter the interior of the bulb assembly. The inner surface of the PCB board is buckled into the step part of the lamp holder, and the two limit posts cooperate with the recessed positions on the PCB board. After the lamp holder and the wick assembly are buckled together, the limit posts on the lamp holder are heated and melted to form the lamp holder and the wick assembly into one.

[0035] Compared with traditional technology, in this case, the diode characteristics of multiple PN junctions of LEDs form a full-wave rectifier circuit to form direct current, which is then stepped down by resistance to replace traditional rectifier board modules and high-power DC LED lamp beads. At the same time, the double-sided opening technology of the LED filament circuit is used to achieve 360-degree light emission of the LED filament, thereby meeting the performance requirements of the bulb and greatly reducing the cost of the product in principle.

[0036] In addition, by optimizing the product structure plan and the product production process, structural parts such as the lamp holder, filament bracket, vacuum bulb, and high-temperature glass bulb were removed, transparent and renewable plastic parts were used to replace difficult-to-recycle glass parts, and thermoplastic plastics were used to replace non-renewable and non-environmentally friendly thermosetting plastics, thereby greatly reducing the structural cost of the product.

[0037] In addition, by optimizing the product structure plan and taking into account the automated production technology, the production process of the product is optimized. First, the number of working steps is reduced, and second, automated equipment is used to replace manual labor; the manufacturing cost of the product is greatly reduced, so it can be widely promoted and used.

[0038] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A lighting lamp assembly for household appliances, characterized in that: It comprises a lamp holder (1), the top of the lamp holder (1) is covered and installed with a lampshade (2), the lampshade (2) is made of a transparent material into a hollow shell-shaped structure, the lamp holder (1) is also provided with a first electrode sheet (3) and a second electrode sheet (4) penetrating the upper and lower end surfaces thereof, the power line is respectively connected to the first electrode sheet (3) and the second electrode sheet (4) at the bottom of the lamp holder (1), and the light-emitting module located inside the lampshade (2) is connected to the first electrode sheet (3) and the second electrode sheet (4) at the top of the base; The light-emitting module comprises a full-wave rectifier bridge composed of four light-emitting PN junctions, and the direct current output from the output end of the rectifier bridge is used by a plurality of main light-emitting PN junctions; one input end of the full-wave rectifier bridge is connected to a voltage-dropping resistor (6), the other end of the voltage-dropping resistor (6) is connected to a first electrode sheet (3), and the other input end of the full-wave rectifier bridge is connected to a second electrode sheet (4).

2. The lighting lamp assembly for household appliances according to claim 1, characterized in that: The full-wave rectifier bridge and the main light-emitting PN junction are packaged in the filament (5).

3. The lighting lamp assembly for household appliances according to claim 2, characterized in that: The voltage-dropping resistor (6) is vertically mounted on the top of the first electrode sheet (3), the filament (5) is vertically mounted on the top of the voltage-dropping resistor (6), one end of the conductive supporting metal wire (7) is connected to the filament (5), and the other end is connected to the second electrode sheet (4).

4. The lighting lamp assembly for household appliances according to claim 3, characterized in that: The conductive support metal wire (7) is bent into an "L" shape, and the main body of the conductive support metal wire (7) is arranged in parallel with the voltage-dropping resistor (6) and the filament (5).

5. The lighting lamp assembly for household appliances according to claim 1, characterized in that: The upper end surface of the lamp holder (1) is provided with a connecting seat (8) protruding from the end surface, and the lampshade (2) is sleeved outside the connecting seat (8) and fixed.

6. The lighting lamp assembly for household appliances according to claim 5, characterized in that: A PCB board (9) is fixedly mounted inside the lamp holder (1), and the first electrode sheet (3) and the second electrode sheet (4) are fixedly welded on the PCB board (9).

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