CN216743891U - Safety-increasing type explosion-proof lamp tube with temperature protection - Google Patents
Safety-increasing type explosion-proof lamp tube with temperature protection Download PDFInfo
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- CN216743891U CN216743891U CN202220053092.XU CN202220053092U CN216743891U CN 216743891 U CN216743891 U CN 216743891U CN 202220053092 U CN202220053092 U CN 202220053092U CN 216743891 U CN216743891 U CN 216743891U
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Abstract
The utility model relates to the technical field of explosion-proof lamp tubes, in particular to an increased-safety type explosion-proof lamp tube with temperature protection, which comprises a PC flame-retardant lamp cap, an aluminum alloy radiator and a PC flame-retardant shell, wherein the aluminum alloy radiator is arranged in the PC flame-retardant shell; the bottom wall in the aluminum alloy radiator is provided with an LED light source double-sided circuit board; PC flame-retardant power supply boxes are arranged on two sides of the aluminum alloy radiator; LED constant current drive and electromagnetic compatibility suppression circuit boards are respectively arranged in the PC flame-retardant power supply box; the PC flame-retardant power supply box is sealed by adopting a power supply box glue sealing material. According to the utility model, the special temperature protector is arranged, so that the temperature of the outer surface of the lamp tube is effectively controlled, and meanwhile, the electrical assembly is subjected to pouring and sealing treatment, so that the explosion-proof lamp tube is ensured not to generate high temperature and electric spark enough for igniting combustible gas, the product is safe and reliable in operation, and the application range of the product in the explosion environment area is greatly enhanced.
Description
Technical Field
The utility model relates to the technical field of explosion-proof lamp tubes, in particular to an increased safety type explosion-proof lamp tube with temperature protection.
Background
In the shipping industry, combustible gas exists in many operation occasions, sparks and high temperature for igniting the combustible gas cannot appear during installation, maintenance and work of lighting lamps in the area, at present, an over-temperature protection circuit of a driving chip is generally adopted for an explosion-proof lamp tube on the market to control the temperature of the lamp tube, but the over-temperature protection threshold value set by a driving chip manufacturer is generally larger than 150 ℃, and the temperature of the lamp tube cannot be comprehensively and effectively controlled within a safe and effective range. Under some special abnormal conditions, combustible gas is easy to burn due to high temperature on the surface of the lamp tube, and therefore, an increased-safety type explosion-proof lamp tube with temperature protection is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides an increased-safety type explosion-proof lamp tube with temperature protection.
In order to achieve the purpose, the utility model adopts the following technical scheme:
an increased safety type explosion-proof lamp tube with temperature protection comprises a PC flame-retardant lamp holder, an aluminum alloy radiator and a PC flame-retardant shell, wherein the aluminum alloy radiator is arranged in the PC flame-retardant shell;
the bottom wall in the aluminum alloy radiator is provided with an LED light source double-sided circuit board;
PC flame-retardant power supply boxes are arranged on two sides of the aluminum alloy radiator, and LED constant-current driving and electromagnetic compatibility suppression circuit boards are respectively arranged in the PC flame-retardant power supply boxes;
the PC flame-retardant power supply box is sealed and protected by adopting a power supply box glue sealing material.
In addition, the preferable structure is that the LED light source double-sided circuit board, the LED constant current driving and electromagnetic compatibility inhibiting circuit board are all fixed on the aluminum alloy radiator by double-sided adhesive tapes, wherein the double-sided adhesive tapes are made of high-heat-conductivity and high-insulation materials.
In addition, the preferable structure is that the LED light source double-sided circuit board, the LED constant current driving and electromagnetic compatibility inhibiting circuit board are electrically connected by adopting a wire welding mode, wherein the upper part of the LED light source double-sided circuit board is provided with a transparent adhesive sealing material in an adhesive sealing mode.
In addition, the preferable structure is that the LED constant current driving and electromagnetic compatibility suppressing circuit boards are respectively provided with a temperature protector, wherein the model of the temperature protector is KSD 9700.
In addition, the preferable structure is that copper wires are laid on the bottom layer of the LED light source double-sided circuit board, and the LED constant current driving circuit and the electromagnetic compatibility restraining circuit board are electrically connected through the copper wires laid on the bottom layer of the LED light source double-sided circuit board.
In addition, the preferred structure is that the PC flame-retardant lamp holder is connected with the aluminum alloy radiator by screws, and the PC flame-retardant lamp holder is bonded with the PC flame-retardant shell by silica gel, wherein the PC flame-retardant lamp holder is G13 in model number.
The utility model has the beneficial effects that:
according to the utility model, the special temperature protector is arranged, so that the temperature of the outer surface of the lamp tube is effectively controlled, and meanwhile, the electrical assembly is subjected to pouring and sealing treatment, so that the explosion-proof lamp tube is ensured not to generate high temperature and electric spark enough for igniting combustible gas, the product is safe and reliable in operation, and the application range of the product in the explosion environment area is greatly enhanced.
Drawings
Fig. 1 is a schematic structural view of an increased safety type explosion-proof lamp tube with temperature protection according to the present invention;
fig. 2 is a cross-sectional view of an increased safety type explosion-proof lamp tube with temperature protection according to the present invention.
In the figure: the LED lamp comprises a 1PC flame-retardant lamp cap, a 2 temperature protector, a 3 electromagnetic compatibility suppression circuit board, a 4PC flame-retardant shell, a 5LED light source double-sided circuit board, a 6 aluminum alloy radiator, a 7LED constant-current drive, an 8PC flame-retardant power supply box, a 9 power supply box encapsulation material, a 10 transparent encapsulation material and a 11 double-sided adhesive tape.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1-2, an increased safety type explosion-proof lamp tube with temperature protection comprises a PC flame-retardant lamp holder 1, an aluminum alloy radiator 6 and a PC flame-retardant shell 4, wherein the aluminum alloy radiator 6 is arranged in the PC flame-retardant shell 4;
the bottom wall in the aluminum alloy radiator 6 is provided with an LED light source double-sided circuit board 5;
the PC flame-retardant power supply boxes 8 are arranged on two sides of the aluminum alloy radiator 6;
the PC flame-retardant power supply box 8 is internally provided with an LED constant current drive 7 and an electromagnetic compatibility suppression circuit board 3 respectively;
in other embodiments, the LED light source double-sided circuit board 5, the LED constant current driver 7 and the electromagnetic compatibility suppression circuit board 3 are all fixed on the aluminum alloy heat sink 6 by using a double-sided tape 11, wherein the double-sided tape 11 is made of a high thermal conductivity and high insulation material;
through the design, the double-sided adhesive tape 11 made of high-heat-conductivity and high-insulation materials is fixed on the aluminum alloy radiator 6, so that the heat dissipation efficiency is improved, and the electrical insulation performance is enhanced;
in other embodiments, the LED light source double-sided circuit board 5, the LED constant current driver 7 and the electromagnetic compatibility suppression circuit board 3 are electrically connected by wire welding, wherein the upper part of the LED light source double-sided circuit board 5 is provided with a transparent adhesive sealing material 10;
by the design, the transparent adhesive sealing material 10 is adhesively sealed on the upper part of the LED light source double-sided circuit board 5, so that the circuit is isolated from the combustible gas;
in other embodiments, the PC flame-retardant power box 8 is protected by encapsulation with the power box sealant 9, so as to isolate the circuit from the combustible gas;
in other embodiments, the LED constant current driving and electromagnetic compatibility suppressing circuit boards 3 are respectively provided with a temperature protector 2, wherein the model of the temperature protector 2 is KSD 9700;
through the design, the two temperature protectors 2 are connected in series in a power supply loop, and in an abnormal state, after the temperatures of the LED constant current drive 7 and the electromagnetic compatibility suppression circuit board 3 rise to a set value, the bimetallic elastic sheet in the temperature protectors 2 is heated and then springs open, and the power supply of a circuit is interrupted;
further, as the temperature decreases, the bimetallic spring plate in the temperature protector 2 is closed, and the power supply of the circuit is automatically recovered;
the temperature protector 2 is arranged, so that the surface temperature of the explosion-proof lamp tube is ensured to be lower than 80 ℃, the accident that combustible gas is directly ignited due to high temperature is avoided, and the safety level of the explosion-proof lamp tube is improved;
in other embodiments, copper wires are laid on the bottom layer of the LED light source double-sided circuit board 5, and the LED constant current driver 7 and the electromagnetic compatibility suppressor circuit board 3 are electrically connected through the copper wires laid on the bottom layer of the LED light source double-sided circuit board 5;
in other embodiments, the PC flame-retardant lamp cap 1 is connected with the aluminum alloy radiator 6 by screws, and the PC flame-retardant lamp cap 1 is bonded with the PC flame-retardant shell 4 by silica gel, wherein the PC flame-retardant lamp cap 1 is G13 in model number;
in the embodiment, the PC flame-retardant shell 4 is in a circular tubular shape, and an aluminum alloy radiator 6 is arranged in the PC flame-retardant shell 4;
the LED light source double-sided circuit board 5 is fixed on the aluminum alloy radiator 6 through a double-sided adhesive tape 11 made of high-heat-conductivity and high-insulation materials, and transparent pouring materials 10 are poured on the LED light source double-sided circuit board 5 and a lead welding point;
the PC flame-retardant power supply box 8 is fixed at two ends of the aluminum alloy radiator 6 through double-sided adhesive tapes 11 which are made of high-heat-conductivity and high-insulation materials, the LED constant-current drive 7 and the electromagnetic compatibility suppression circuit board 3 are respectively arranged in the PC flame-retardant power supply box 8, and a power supply box encapsulation material 9 is adopted for encapsulation;
the LED constant current drive 7, the electromagnetic compatibility suppression circuit board 3 and the LED light source double-sided circuit board 5 are electrically connected through a lead;
the LED constant current drive 7 and the electromagnetic compatibility suppression circuit board 3 are respectively provided with a temperature protector 2, so that the temperature of the outer surface of the LED explosion-proof lamp tube is controlled not to exceed 80 ℃;
the temperature protector 2 is connected in series in the power supply line, when the temperature rises to a preset value, the bimetallic spring inside the temperature protector 2 is heated and then bounces, the power supply line is interrupted, and the lamp tube is extinguished;
when the temperature is lower than the preset value, the bimetallic elastic sheet in the temperature protector 2 rebounds, the power supply circuit is recovered, and the lamp tube works normally;
the PC flame-retardant lamp holder 1 is positioned at two ends of the PC flame-retardant shell 4, a metal pin extending out of the electric compatibility suppression circuit board 3 is inserted into a pin of the PC flame-retardant lamp holder 1 at one end, the electric connection is realized after the outside is welded, and the pin of the PC flame-retardant lamp holder 1 at the other end is not electrically connected and belongs to a lamp tube fixing pin;
in the embodiment, the special temperature protector is arranged, so that the temperature of the outer surface of the lamp tube is effectively controlled, and meanwhile, the electrical assembly is subjected to pouring and sealing treatment, so that the explosion-proof lamp tube is ensured not to have high temperature and electric spark enough for igniting combustible gas, the product works safely and reliably, and the application range of the product in the region of the explosion environment is greatly enhanced.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. An increased-safety type explosion-proof lamp tube with temperature protection comprises a PC flame-retardant lamp holder (1), an aluminum alloy radiator (6) and a PC flame-retardant shell (4), and is characterized in that the aluminum alloy radiator (6) is arranged in the PC flame-retardant shell (4); the bottom wall in the aluminum alloy radiator (6) is provided with an LED light source double-sided circuit board (5); PC flame-retardant power supply boxes (8) are arranged on two sides of the aluminum alloy radiator (6); an LED constant current drive (7) and an electromagnetic compatibility suppression circuit board (3) are respectively arranged in the PC flame-retardant power supply box (8); the PC flame-retardant power box (8) is sealed and protected by adopting a power box glue sealing material (9).
2. The safety-enhanced explosion-proof lamp tube with temperature protection according to claim 1, wherein the LED light source double-sided circuit board (5), the LED constant current driving circuit (7) and the electromagnetic compatibility suppressing circuit board (3) are all fixed on the aluminum alloy heat sink (6) by using a double-sided tape (11), wherein the double-sided tape (11) is made of a high thermal conductivity and high insulation material.
3. The safety-enhanced anti-explosion lamp tube with temperature protection according to claim 1, wherein the LED light source double-sided circuit board (5), the LED constant current driver (7) and the electromagnetic compatibility suppression circuit board (3) are electrically connected by wire welding, and a transparent adhesive sealing material (10) is arranged on the upper portion of the LED light source double-sided circuit board (5) in an adhesive sealing manner.
4. An increased safety type explosion-proof lamp tube with temperature protection according to claim 1, characterized in that the LED constant current driving (7) and the electromagnetic compatibility suppression circuit board (3) are respectively provided with a temperature protector (2), wherein the type of the temperature protector (2) is KSD 9700.
5. The safety-enhanced explosion-proof lamp tube with temperature protection according to claim 1, wherein copper wires are laid on the bottom layer of the LED light source double-sided circuit board (5), and the LED constant current drive (7) and the electromagnetic compatibility suppression circuit board (3) are electrically connected through the copper wires laid on the bottom layer of the LED light source double-sided circuit board (5).
6. The safety-increased explosion-proof lamp tube with temperature protection according to claim 1, characterized in that the PC flame-retardant lamp holder (1) is connected with the aluminum alloy radiator (6) by screws, and the PC flame-retardant lamp holder (1) is bonded with the PC flame-retardant housing (4) by silica gel, wherein the PC flame-retardant lamp holder (1) is G13 in type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220053092.XU CN216743891U (en) | 2022-01-10 | 2022-01-10 | Safety-increasing type explosion-proof lamp tube with temperature protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220053092.XU CN216743891U (en) | 2022-01-10 | 2022-01-10 | Safety-increasing type explosion-proof lamp tube with temperature protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216743891U true CN216743891U (en) | 2022-06-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220053092.XU Active CN216743891U (en) | 2022-01-10 | 2022-01-10 | Safety-increasing type explosion-proof lamp tube with temperature protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216743891U (en) |
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2022
- 2022-01-10 CN CN202220053092.XU patent/CN216743891U/en active Active
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