Ultrathin guide rail type power indicator lamp

Abstract

The ultrathin guide rail type power indicating lamp comprises a shell and an indicating lamp body, the indicating lamp body is a lamp panel, the shell comprises a first shell body, a second shell body and a top cover, a transparent plate is embedded in the top cover, and a mounting cavity is formed inside the shell after the first shell body and the second shell body are assembled; the mounting cavity internally comprises a lamp panel mounting position, a zero line pole mounting area and a live wire pole mounting area, the L end of the lamp panel is connected with the live wire pole through a diode, the N end of the lamp panel is connected with the zero line pole through a resistor, the lamp panel is limited in the lamp panel mounting position, and the light emitting side of the lamp panel faces the top cover and is opposite to the transparent plate. Compared with an existing installation mode, the installation mode is greatly simplified, the design cost is reduced, internal wiring of the ultra-thin guide rail type power indicating lamp is convenient, the product assembling efficiency is greatly improved, and the small size can be achieved after overall installation.

Description

Technical Field

[0001] The utility model relates to the technical field of indicating lights, in particular to an ultra-thin rail type power indicating light. Background Art

[0002] Traditional indicating light devices cannot be reliably installed in a control box. Therefore, in order to be installed and used in cooperation with control electrical appliances such as contactors and relays in the control box, most existing ones will adopt rail type indicating light devices, so as to quickly install this kind of indicating light device on the rail and install it side by side with controllers such as contactors for use.

[0003] Some existing indicating light devices will include an insulating housing, a lamp holder, two wiring terminals, an LED indicating light, an indicating light cover, and wires respectively connecting the two input poles of the lamp holder to the two wiring terminals. The lamp holder and the wiring terminals are respectively fixed in the insulating housing. An indicating light cover mounting hole is opened on the protruding surface of the insulating housing. The LED indicating light is electrically connected to the lamp holder, and the indicating light cover is snap-fitted on the indicating light cover mounting hole on the insulating housing.

[0004] However, the indicating light device formed by the above structure generally has the following problems: 1. The two wiring terminals are respectively connected to the two poles of the lamp holder through wires, and then the bottom end of the indicating light is clamped against the lamp holder, while the lamp holder is clamped by two contact pieces at the bottom end of the lamp holder. However, the installation structure of the indicating light with the above structural layout is complex, the installation stability is unreliable, and the volume is large, and the design cost is high; 2. Only a single indicating light can be installed and used in the insulating housing. Summary of the Invention

[0005] In view of the above deficiencies, the utility model provides an ultra-thin rail type power indicating light that can make the installation of the indicating light convenient, the installation stable and reliable, the structure simple, the design cost reduced, and the overall installation can achieve a small volume.

[0006] To achieve the above purpose, the utility model adopts an ultra-thin rail type power indicating light, which includes a housing and an indicating light. The indicating light is a lamp board. The housing includes a first housing and a second housing that can be laterally assembled, and a top cover limited to the upper edge positions of the laterally assembled first housing and second housing. A transparent plate is embedded in the top cover. After the first housing and the second housing are assembled, an installation cavity is formed inside;

[0007] The installation cavity includes a lamp board installation position formed near the upper edge positions of the first housing and the second housing, and a neutral pole installation area and a live pole installation area for installing and limiting the neutral pole and the live pole for power connection. The L end of the lamp board is connected to the live pole through a diode, and the N end of the lamp board is connected to the neutral pole through a resistor. The lamp board is limited in the lamp board installation position, and the light-emitting side of the lamp board faces the top cover and is opposite to the transparent plate; the lamp board is an LED light strip board.

[0008] The beneficial effects of the above structure are as follows: Through the setting of the lamp board installation position for the lamp board installation as described above, the indicator lamp of the lamp board style can achieve reliable limit, be stable and reliable, and is convenient to install. It can also make the involved ultra-thin rail type power indicator lamp. Compared with the existing lamp holder, its installation method is greatly simplified, which also reduces the design cost. In addition, after the first and second shells are assembled, an installation cavity is formed inside. The installation cavity involves a lamp board installation position, a neutral pole installation area and a live pole installation area for limiting the installation of the neutral pole and the live pole for power connection. Among them, the L end of the lamp board is connected to the live pole through a diode, and the N end of the lamp board is connected to the neutral pole through a resistor. The lamp board is limited within the lamp board installation position, and the light-emitting side of the lamp board faces the top cover and is opposite to the transparent plate. Thus, the internal wiring of the ultra-thin rail type power indicator lamp involved in the present invention is convenient, which greatly improves the product assembly efficiency, and can achieve a small volume after the overall installation.

[0009] The present invention is further configured such that the number of lamp boards is multiple, and the number of lamp board installation positions, as well as the number of live poles, are adapted to the number of lamp boards. The L ends of each lamp board are respectively connected to each live pole through 1 diode, and the N ends of each lamp board are respectively connected to the neutral pole through 1 resistor and are connected in parallel to the same neutral pole; when the number of lamp boards is 1, the number of lamp board installation positions, as well as the number of live poles, are adapted to the number of lamp boards.

[0010] Through the above setting, the ultra-thin rail type power indicator lamp involved in the present invention can achieve the installation of 1 or multiple indicator lamps. Furthermore, the ultra-thin rail type power indicator lamp can meet the wiring and signal display requirements when involving multiple control electrical appliances. Thus, it can further reduce the situation that when users adopt some existing power indicator lamps, they need to use multiple power indicator lamps to adapt to multiple control electrical appliances, which greatly affects the design cost, and improve the product use performance, making it have good practicability. In addition, through the above design, it further reflects the reliability of the wiring of the ultra-thin rail type power indicator lamp.

[0011] The present invention is further configured such that a buckle is formed on one side of the first shell facing the second shell, and an extension block is formed on one side of the second shell facing the first shell. A buckle fitting groove is formed on the extension block. Through the cooperation of the buckle and the buckle fitting groove, the first and second shells are assembled; on the side of the first shell away from the second shell, a shell splitting groove is provided, and the shell splitting groove is communicated with the buckle fitting groove;

[0012] During the disassembly stage of the first and second shells, an external tool extends into the shell splitting groove and contacts the buckle extending into the buckle fitting groove through the shell splitting groove. And through the pressure of the external tool in the direction of the buckle, the cooperation between the buckle and the buckle fitting groove is released, and the cooperation between the first and second shells is released.

[0013] With the above settings, while reliable assembly can be achieved between the first and second housings, reliable disassembly is also possible, and the disassembly and assembly process is convenient. That is, only by inserting a tool similar to a flat-head screwdriver into the corresponding snap-fit groove and applying pressure towards the snap, the fit between the snap and the snap-fit groove can be released.

[0014] The present utility model is further configured such that a top cover snap is formed at the upper edge positions of the first and second housings towards the top cover, and a housing snap-fit groove is formed at the upper edge positions of the first and second housings. Through the cooperation of the housing snap-fit groove and the top cover snap, a limit of the top cover at the upper edge positions of the first and second housings is formed.

[0015] With the above settings, the top cover can be highly reliably installed at the upper edge positions of the first and second housings, and its installation limit is reliable.

[0016] The present utility model is further configured such that the lamp board installation position is a snap-in groove opened near the upper edge positions of the first and second housings. The lamp board is limited within the snap-in groove to form a limit installation at the upper edge positions of the first and second housings.

[0017] The present utility model is further configured such that the second housing is the main cavity for limiting the installation of the lamp board, live wire pole, neutral wire pole, as well as diodes and resistors inside the power indicator light. The first housing is a cover plate that fits on the main cavity. The main cavity includes a plurality of partition plates. Through a plurality of the partition plates, the main cavity is divided into a neutral wire pole installation area, a live wire pole installation area, a lamp board installation position partition area for independently setting a plurality of lamp board installation positions, and a creepage partition for forming a creepage distance between a plurality of resistors and a plurality of diodes.

[0018] With the above settings, the lamp board, live wire pole, neutral wire pole, as well as diodes and resistors can be reliably installed and limited on the first and second housings. At the same time, after installation and limitation, the diodes and resistors inside the first and second housings can have a reliable electrical creepage distance, thereby ensuring the reliability of the design of the ultra-thin rail-mounted power indicator light involved in the present utility model.

[0019] The present utility model is further configured such that both the live wire pole and the neutral wire pole include a terminal and an electrical connection piece. The connections between the live wire pole, neutral wire pole, and the lamp board are all connected to the electrical connection piece. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a three-dimensional schematic diagram of the controller ultra-thin rail-mounted power indicator light in a specific embodiment of the present utility model;

[0021] Figure 2 is Figure 1 an enlarged schematic diagram;

[0022] Figure 3 It is an exploded schematic diagram of the power indicator light of the ultra-thin guide rail type of the controller in the specific embodiment of the present utility model;

[0023] Figure 4 It is a three-dimensional schematic diagram of the power indicator light of the ultra-thin guide rail type of the controller in the specific embodiment of the present utility model after removing the second housing;

[0024] Figure 5 It is Figure 4 an enlarged schematic diagram;

[0025] Figure 6 It is a three-dimensional schematic diagram of the second housing of the controller in the specific embodiment of the present utility model;

[0026] Figure 7 It is Figure 6 an enlarged schematic diagram;

[0027] Figure 8 It is a three-dimensional schematic diagram of the top cover of the controller in the specific embodiment of the present utility model. Specific embodiments

[0028] As Figures 1-8 shown, the specific embodiment of the present utility model is an ultra-thin guide rail type power indicator light, including a housing and an indicator light. The indicator light is a lamp board. The housing includes a first housing and a second housing that can be assembled laterally, and a top cover 3 that is limited to the upper edge position of the laterally assembled first housing and second housing. A transparent plate is embedded in the top cover 3. After the first housing and the second housing are assembled, an installation cavity is formed inside;

[0029] Inside the installation cavity, there is a lamp board installation position 22 formed near the upper edge position of the first housing and the second housing, and a neutral pole installation area b and a live pole installation area a for installing and limiting the neutral pole and the live pole for power connection. The L end of the lamp board is connected to the live pole through a diode, and the N end of the lamp board is connected to the neutral pole through a resistor. The lamp board is limited within the lamp board installation position 22, and the light-emitting side of the lamp board faces the top cover 3 and is opposite to the transparent plate; the lamp board is an LED light strip board.

[0030] Through the above setting of the lamp board installation position 22 for lamp board installation, the indicating lamp of the lamp board style can achieve reliable limiting, be stable and reliable, and at the same time be convenient to install. It can also make the involved ultra-thin rail type power supply indicating lamp. Compared with the existing one using a lamp socket, its installation method is greatly simplified, and the design cost is reduced. In addition, after the first and second shells are assembled, an installation cavity is formed inside. The installation cavity involves the lamp board installation position 22, as well as the neutral pole installation area b and the live pole installation area a for the installation and limiting of the neutral pole and live pole for power connection. Among them, the L end of the lamp board is connected to the live pole through a diode, and the N end of the lamp board is connected to the neutral pole through a resistor. The lamp board is limited within the lamp board installation position 22, and the light-emitting side of the lamp board faces the top cover 3 and is opposite to the transparent plate. Thus, the internal wiring of the ultra-thin rail type power supply indicating lamp involved in the present utility model is convenient, the product assembly efficiency is greatly improved, and a small volume can be achieved after the overall installation.

[0031] As Figures 1-5 shown in FIGS. 7 and 8, the number of the above lamp boards is multiple, and the number of the lamp board installation positions 22, as well as the number of live poles, are adapted to the number of lamp boards. The L ends of each lamp board are respectively connected to each live pole through 1 diode, and the N ends of each lamp board are respectively connected to the neutral pole through 1 resistor and are connected in parallel to the same neutral pole; when the number of lamp boards is 1, the number of lamp board installation positions 22, as well as the number of live poles, are adapted to the number of lamp boards.

[0032] As Figures 1-7 shown in FIG. 9, a buckle 21 is formed on one side of the first shell 2 facing the second shell 1, an extension block 12 is formed on one side of the second shell 1 facing the first shell 2, and a buckle mating groove 13 is formed on the extension block 12. Through the cooperation of the buckle 21 and the buckle mating groove 13, the first and second shells are assembled; a shell splitting groove 11 is formed on the side of the first shell 2 away from the second shell 1, and the shell splitting groove 11 is communicated with the buckle mating groove 13;

[0033] During the disassembly stage of the first and second shells, an external tool extends into the shell splitting groove 11 and contacts the buckle 21 extending into the buckle mating groove 13 through the shell splitting groove 11. And through the pressure of the external tool in the direction of the buckle 21, the cooperation between the buckle 21 and the buckle mating groove 13 is released, and the cooperation between the first and second shells is released.

[0034] As Figures 1-5As shown in FIGS. 8, the top cover 3 is formed with top cover buckles 31 facing the upper edges of the first and second casings. The upper edges of the first and second casings are formed with casing buckle mating grooves 23. Through the cooperation of the casing buckle mating grooves 23 and the top cover buckles 31, the top cover 3 is limited at the upper edges of the first and second casings. The lamp board mounting position 22 is a clamping groove opened near the upper edges of the first and second casings. The lamp board is limited in the clamping groove to form a limited mounting at the upper edges of the first and second casings.

[0035] As Figures 3-7 shown, the second casing 1 described above is the main cavity for limiting the mounting of the lamp board, live wire electrode, neutral wire electrode, and diodes and resistors inside the power indicator light. The first casing 2 is a cover plate fitted to the main cavity. The main cavity includes a plurality of partition plates. Through several partition plates, the main cavity is divided into a neutral wire electrode mounting area b, a live wire electrode mounting area a, a lamp board mounting position partition area d for independently arranging a plurality of lamp board mounting positions 22, and a creepage partition c for forming a creepage gap between a plurality of resistors and a plurality of diodes.

[0036] Both the live wire electrode and the neutral wire electrode include a terminal and an electrical connection piece. The connections between the live wire electrode, the neutral wire electrode, and the lamp board are all connected to the electrical connection piece.

Claims

1. An ultra-thin rail-type power indicator light, comprising a housing and an indicator light, characterized in that: The indicator light is a light board, and the housing includes a first housing and a second housing that can be assembled laterally, and a top cover limited to the upper edge of the first and second housings assembled laterally, and a transparent plate is embedded in the top cover, and a mounting cavity is formed inside the first and second housings after being assembled; The installation cavity includes a lamp board installation position formed near the upper edge of the first and second shells, and a neutral pole installation area and a live pole installation area for installing the neutral pole and the live pole for connecting electricity. The L end of the lamp board is connected to the live pole via a diode, and the N end of the lamp board is connected to the neutral pole via a resistor. The lamp board is limited in the lamp board installation position, and the light-emitting side of the lamp board faces the top cover and is opposite to the transparent plate.

2. The ultra-thin guide rail type power indicator light according to claim 1, characterized in that: There are multiple lamp boards, and the number of lamp board mounting positions and the number of live poles are adapted to the number of lamp boards. The L end of each lamp board is connected to each live pole via a diode, and the N end of each lamp board is connected to the same neutral pole via a resistor.

3. The ultra-thin guide rail type power indicator light according to claim 1, characterized in that: The number of the lamp boards is 1, and the number of the lamp board mounting positions and the number of live wire poles are adapted to the number of the lamp boards.

4. The ultra-thin guide rail type power indicator light according to claim 1, 2 or 3, characterized in that: A buckle is formed on one side of the first shell facing the second shell, and an extension block is formed on one side of the second shell facing the first shell. A buckle matching groove is provided on the extension block. The first and second shells are spliced ​​together by the buckle matching the buckle matching groove.

5. The ultra-thin guide rail type power indicator light according to claim 1, 2 or 3, characterized in that: A top cover buckle is formed on the top cover toward the upper edge of the first and second shells, and a shell buckle matching groove is formed on the upper edge of the first and second shells. The top cover is limited at the upper edge of the first and second shells through the cooperation between the shell buckle matching groove and the top cover buckle.

6. The ultra-thin guide rail type power indicator light according to claim 4, characterized in that: A shell splitting groove is provided on the first shell at a side away from the second shell, and the shell splitting groove is connected to the buckle fitting groove; During the first and second shell disassembly stages, an external tool extends into the shell disassembly groove, and passes through the shell disassembly groove to make contact with the buckle in the buckle fitting groove, and by applying pressure in the buckle direction by the external tool, the buckle and the buckle fitting groove are released from engagement, thereby releasing the engagement between the first and second shells.

7. The ultra-thin guide rail type power indicator light according to claim 1, 2, 3 or 6, characterized in that: The lamp board installation position is a card slot opened near the upper edge of the first and second shells. The lamp board is limited in the card slot to form a limited installation at the upper edge of the first and second shells.

8. The ultra-thin guide rail type power indicator light according to claim 2, characterized in that: The second shell is the main cavity for the lamp board, live pole, neutral pole, and diode and resistor installation limits in the power indicator light. The first shell is a cover plate that fits on the main cavity. The main cavity includes multiple partition plates. Through several of the partition plates, the main cavity is divided into a neutral pole installation area, a live pole installation area, a lamp board installation position partition area for independently setting multiple lamp board installation positions, and a creepage barrier for forming a creepage gap between multiple resistors and multiple diodes.

9. The ultra-thin guide rail type power indicator light according to claim 1, 2, 3, 6 or 8, characterized in that: The live pole and the neutral pole both include a wiring terminal and an electrical connection piece, and the connection between the live pole, the neutral pole and the lamp panel is connected to the electrical connection piece.

10. The ultra-thin guide rail type power indicator light according to claim 1, 2, 3, 6 or 8, characterized in that: The light board is an LED light strip board.

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