CN219457463U - Alloy type thermal fuse link with parallel structure for T5 series LED lamps - Google Patents
Alloy type thermal fuse link with parallel structure for T5 series LED lamps Download PDFInfo
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- CN219457463U CN219457463U CN202320623792.2U CN202320623792U CN219457463U CN 219457463 U CN219457463 U CN 219457463U CN 202320623792 U CN202320623792 U CN 202320623792U CN 219457463 U CN219457463 U CN 219457463U
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Abstract
The utility model provides an alloy type thermal fuse body with a parallel structure for a T5 series LED lamp. The thermal fuse body is characterized in that a left lead and a right lead are respectively arranged on the upper part of the shell, the left thermal element and the right thermal element are respectively arranged in a left thermal element groove and a right thermal element groove, the end parts of the thermal fuse body are respectively welded with the left lead and the right lead, the other end of the thermal fuse body is respectively welded with the left teflon lead and the right teflon lead, fluxing agents are respectively coated on the outer surfaces of the left lead and the right thermal element, epoxy resin glue is filled in the shell once, and the left lead, the right lead and the right teflon lead in the shell are coated and sealed. The sealing glue groove arranged in the thermal fuse link shell is favorable for completely coating and firmly fixing the lead wires in the shell, avoids the thermal fuse link failure caused by flux overflow, saves the space in the tube for the LED lamp, improves the welding efficiency of the circuit board of the lamp tube, and ensures that the power supply of the lamp tube can be thoroughly cut off in the first time under abnormal conditions.
Description
Technical Field
The utility model relates to the field of thermal fuses, in particular to an alloy type thermal fuse with a parallel structure for a T5 series LED lamp.
Background
At present, when the T5 series LED lamp tube is produced, a thermal fuse is required to be additionally arranged between each pin copper pin at two ends of the lamp tube and a circuit board in the lamp tube. In the prior art, when two leads are installed, one lead is stamped in a pin copper needle at one end of a lamp tube, the other lead is welded on a circuit board in the lamp tube, and each lamp tube is required to be simultaneously provided with four thermal fuses with square structures, so that the production process is complicated.
The patent number is 201920174089.1, the name is an alloy type thermal fuse body with three pins or four pins for an LED lamp, and the main technical characteristics are as follows: the thermal fuse body is provided with a thermal element groove and a straight line groove in the shell, the thermal element groove is internally provided with a thermal element, and a fluxing agent is filled between the thermal element and the thermal element groove.
The patent number is 201511028531.2, the name is an utility model patent of an alloy type thermal fuse with breaking current resistance, and the disclosed technical characteristics are as follows: the two opposite sides of the bottom of the shell 1 are respectively provided with a U-shaped positioning groove 2, two ends of the thermal element 4 are respectively positioned in the two U-shaped positioning grooves 2, and the thermal element 4 is fixed in the center of the bottom in the shell 1 through the two U-shaped positioning grooves 2. The technical effect achieved by the method is that the distance between the periphery of the thermal element 4 and the inner wall of the shell 1 is not less than half of the diameter of the thermal element 4, so that the thermal element 4 cannot directly contact with the inner wall of the shell 1.
Disclosure of Invention
The utility model aims to provide an alloy type thermal fuse body with a parallel structure for a T5 series LED lamp. The technical problems to be solved by the utility model are as follows: the lead sealing groove and the teflon wire sealing groove are arranged in the shell of the thermal fuse link, so that the high-temperature aging resistance of the thermal fuse link is improved; 2. the V-shaped guide surfaces are arranged at the openings of the left lead wire groove, the right lead wire groove, the left lower iron fluorine dragon wire groove and the right lower iron fluorine dragon wire groove in the shell of the thermal fuse body, so that the assembly of the left lead wire, the left thermal element, the left iron fluorine dragon wire component, the right lead wire, the right thermal element and the right iron fluorine dragon wire component is facilitated.
The design idea of the utility model is as follows: 1. the lead sealing groove and the teflon wire sealing groove are formed in the shell, so that the epoxy resin glue is favorable for completely coating and firmly fixing the periphery of the left lead, the left teflon wire, the right lead and the right teflon wire in the shell, oxygen in air can be effectively prevented from penetrating through the epoxy resin glue in a high-temperature aging process, the action sensitivity of the thermal element is reduced due to corrosion of the thermal element, and meanwhile, the thermal fuse failure caused by flux overflow due to the fact that the periphery of the left lead, the left teflon wire, the right lead and the right teflon wire cannot be effectively coated by the epoxy resin glue is avoided, and the capability of resisting external tension and torsion of the left lead, the left teflon wire, the right lead and the right teflon wire is improved. 2. The epoxy resin glue is used for one-time filling of the left lead wire groove, the lead wire glue sealing groove, the left lower lead wire groove, the left thermal element groove, the left fluorine dragon groove, the fluorine dragon line sealing groove, the left lower fluorine dragon groove, the right lead wire groove, the right lower lead wire groove, the right thermal element groove, the right fluorine dragon groove, the right lower fluorine dragon groove, the isolation boss and the like, so that the serious dependence on an electronic visual recognition system in glue filling equipment due to the complex shape of a glue sealing cavity and narrow glue channel in a glue filling process is avoided, the production efficiency and the glue sealing quality of the glue filling process are greatly improved, the cost of glue filling production equipment is reduced, the bonding effect of the epoxy resin glue and the inner wall of a shell, the left lead wire, the left fluorine dragon line, the right lead wire and the right fluorine dragon line in the shell is ensured, and the integral appearance effect of the thermal fuse is improved. 3. The V-shaped guide surfaces are arranged at the openings of the left lead wire groove, the left lower iron fluorine dragon groove, the right lead wire groove and the right lower iron fluorine dragon groove, so that the welded left lead wire, the left heat element, the left iron fluorine dragon wire component, the right lead wire, the right heat element and the right iron fluorine dragon wire component are smoothly placed into the left heat element groove and the right heat element groove respectively, and the mechanical damage to the heat elements due to difficult assembly is avoided. 4. The width of left side lower lead wire groove is not less than the width of left side lead wire groove, and the width of left side iron fluorine dragon groove is not less than the width of left side lower iron fluorine dragon groove, and the width of right side lower lead wire groove is not less than the width of right side iron fluorine dragon groove, and the width of right side iron fluorine dragon groove is not less than the width of right side lower iron fluorine dragon groove, and this kind of design is favorable to putting into left side lower lead wire groove, left iron fluorine dragon groove, right side lower lead wire groove, right iron fluorine dragon groove that left side lead wire, right lead wire, left iron fluorine dragon line, right iron fluorine dragon line respectively smoothly after having welded into with the bottom direct contact of corresponding groove. 5. Through the size of reasonable setting casing, make the interval between left lead wire and the right lead wire, the interval between left indisputable fluorine dragon line and the right indisputable fluorine dragon line and the interval between two copper needles of participating in of T5 series LED fluorescent tube one side three the same, guaranteed that left lead wire, the right lead wire of thermal link can insert smoothly in two copper needles of participating in of fluorescent tube one side when the assembly, improved the production efficiency of LED lamp. 6. Through the dimension that rationally sets up left lower wire casing, left indisputable dragon groove, right lower wire casing, right indisputable dragon groove, the left and right sides and the bottom of messenger's left hot element, right hot element can not direct contact shells inner wall, guaranteed the uniformity of the route of being heated of left hot element, right hot element and fusing characteristic thereof, avoided the uncertainty of the fusing temperature of thermal link, improved the product uniformity of thermal link.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
an alloy type thermal fuse for a T5 series LED lamp having a parallel structure, comprising: the thermal fuse body is provided with a left lead and a right lead respectively at the upper part of the shell, the left thermal element is arranged in the left thermal element groove, the end part of the left thermal element is welded with the left lead, the other end part of the left thermal element is welded with the left heat element lead, the right thermal element is arranged in the right thermal element groove, the other end part of the right thermal element is welded with the right lead, the outer surfaces of the left thermal element and the right thermal element are respectively coated with the fluxing agent, the left lead and the right lead respectively penetrate out of the top part of the shell, the right heat element and the left heat element penetrate out of the bottom part of the shell respectively, and the left thermal element is arranged in the left thermal element groove, the end part of the left thermal element is welded with the left lead, the other end part of the right thermal element is welded with the right heat element, the left heat element and the right heat element are respectively coated with the fluxing agent, and the left lead and the right heat element penetrate out of the bottom part of the shell respectively, and the left heat element are respectively penetrated out of the bottom part of the shell, and the left heat element are sealed by the epoxy resin and the left heat element and the heat element are filled with the left heat element and the heat element.
The thermal fuse body is characterized in that a left lead wire groove and a right lead wire groove are respectively arranged on the upper portion of the shell, a lead wire sealing groove is formed in the lower portions of the left lead wire groove and the right lead wire groove, a left lower lead wire groove and a right lower lead wire groove are respectively formed in the lower portions of the lead wire sealing groove, a left thermal element groove is formed in the lower portion of the left lower lead wire groove, a right thermal element groove is formed in the lower portion of the right lower lead wire groove, a left iron fluorine Long Xiancao is formed in the lower portion of the left thermal element groove, a right iron fluorine Long Xiancao is formed in the lower portion of the right thermal element groove, an isolation boss is arranged between the left thermal element groove and the right thermal element groove, and an iron fluorine wire sealing groove is formed in the lower portions of the left iron fluorine wire groove and the right iron fluorine wire groove.
The left lead wire groove, the right lead wire groove, the left lower lead wire groove and the right lower lead wire groove in the shell in the thermal fuse body are respectively communicated with the lead wire sealing groove, the left lower lead wire groove and the left teflon wire groove are respectively communicated with the left thermal element groove, the right lower lead wire groove and the right teflon wire groove are respectively communicated with the right thermal element groove, and the left lower teflon wire groove and the right lower teflon wire groove are respectively communicated with the teflon wire sealing groove.
The opening parts of the left lead wire groove, the right lead wire groove, the left lower Teflon wire groove and the right lower Teflon wire groove in the shell in the thermal fuse body are provided with V-shaped guide surfaces.
Compared with the prior art, the utility model has the beneficial effects that:
1. the lead sealing grooves and the teflon wire sealing grooves are formed in the thermal fuse link shell, so that the left and right leads and the left and right teflon wires in the shell are completely covered and firmly fixed by epoxy resin glue, the thermal fuse link can be ensured to be effectively prevented from corroding a thermal element by oxygen in air through the epoxy resin glue in a high-temperature aging process, the action sensitivity of the thermal element is reduced, the thermal fuse link failure caused by flux overflow is avoided, and the capability of resisting external tension and torsion of the left lead, the left teflon wire, the right lead and the right teflon wire is improved;
2. the left lead groove, the lead sealing groove, the left lower lead groove, the left thermal element groove, the left ferric fluoride lead groove, the ferric fluoride lead sealing groove, the left lower ferric fluoride lead groove, the right lower lead groove, the right thermal element groove, the right ferric fluoride lead groove, the right lower ferric fluoride lead groove, the isolation boss and the like in the thermal fuse body are filled with epoxy resin glue at one time, so that the serious dependence on an electronic visual identification system in glue filling equipment due to the complicated shape of a glue sealing cavity and the narrow glue channel in the glue filling process is avoided, the production efficiency and the glue sealing quality of the glue filling process are greatly improved, the cost of glue filling production equipment is reduced, the bonding effect of the epoxy resin glue in a shell and the inner wall of the shell, the left lead wire, the left ferric fluoride lead wire, the right lead wire and the right ferric fluoride lead wire is ensured, and the overall appearance effect of the thermal fuse body is improved;
3. the V-shaped guide surfaces are arranged at the openings of the left lead wire groove, the left lower iron fluorine dragon wire groove, the right lead wire groove and the right lower iron fluorine dragon wire groove of the thermal fuse body, so that the welded left lead wire, the left thermal element, the left iron fluorine dragon wire component, the right lead wire, the right thermal element and the right iron fluorine dragon wire component are smoothly placed in the left thermal element groove and the right thermal element groove respectively, and mechanical damage to the thermal element due to difficult assembly is avoided;
4. the width of the left lower lead wire groove of the thermal fuse body is not smaller than the width of the left lead wire groove, the width of the left iron fluorine lead wire groove is not smaller than the width of the left lower iron fluorine lead wire groove, the width of the right lower lead wire groove is not smaller than the width of the right lower iron fluorine lead wire groove, the width of the right iron fluorine lead wire groove is not smaller than the width of the right lower iron fluorine lead wire groove, and the design is beneficial to smoothly placing the left lead wire, the left thermal element, the left iron fluorine lead wire assembly, the right lead wire, the right thermal element and the right iron fluorine lead wire assembly into the left lower lead wire groove, the left iron fluorine lead wire groove, the right iron fluorine lead wire groove respectively, so that the left lead wire, the right lead wire, the left iron fluorine lead wire and the right iron fluorine lead wire cannot be in direct contact with the bottoms of the corresponding grooves respectively;
5. the thermal link has the advantages that the size of the shell is reasonably set, so that the distance between the left lead and the right lead, the distance between the left Teflon wire and the right Teflon wire and the distance between the two copper pins at one side of the T5 series LED lamp tube are the same, the left lead and the right lead of the thermal link can be smoothly inserted into the two copper pins at one side of the lamp tube during assembly, and the production efficiency of the LED lamp is improved;
6. the dimension of the left lower lead wire groove, the left iron fluorine dragon wire groove, the right lower lead wire groove and the right iron fluorine dragon wire groove is reasonably arranged, so that the left side and the right side and the bottom of the left thermal element and the right thermal element cannot be in direct contact with the inner wall of the shell, the consistency of the heating path and the fusing characteristics of the left thermal element and the right thermal element is ensured, the uncertainty of the fusing temperature of the thermal fuse is avoided, and the product consistency of the thermal fuse is improved.
Drawings
FIG. 1 is a schematic diagram of a main sectional structure of an alloy thermal fuse in a parallel structure;
FIG. 2 is a schematic view of the structure of A-A in FIG. 1 in cross section to the left;
FIG. 3, left lead, left thermal fuse, left Teflon wire connection structure schematic;
FIG. 4 is a schematic diagram of a front view of the housing;
FIG. 5 is a schematic view of the cross-sectional structure B-B in FIG. 4;
FIG. 6 is a schematic view of the structure of FIG. 4 in a C-C downward cross-section;
fig. 7 is a schematic diagram of the left cross-sectional structure of D-D in fig. 4.
In the figure: 1. the shell, 2, left lead, 3, epoxy resin glue, 4, right lead, 5, right thermal element, 6, fluxing agent, 7, right teflon lead, 8, left teflon lead, 9, left thermal element, 10, left lead groove, 11, lead sealing groove, 12, left lower lead groove, 13, left thermal element groove, 14, left teflon groove, 15, teflon wire sealing groove, 16, left lower teflon groove, 17, right lead groove, 18, right lower lead groove, 19 right thermal element groove, 20, right teflon groove, 21, right lower teflon groove, 22, isolation boss.
Description of the embodiments
The technical scheme of the utility model is further clearly and completely described below with reference to the accompanying drawings and examples.
Example 1
Referring to fig. 1-7, the connection of left lead 2, right lead 4, right thermal element 5, left thermal element 9, right teflon wire 7 and left teflon wire 8 is made. Two alloy wires with the diameter of 0.7mm and the length of 4.5mm and at the temperature of 115 ℃ are selected as a right thermal element 5 and a left thermal element 9, two tinned copper wires with the diameter of 0.55mm and the length of 50mm are selected as a left lead 2 and a right lead 4, and two teflon insulated wires with the diameter of 0.55mm and the length of 50mm are selected as a left teflon lead 8 and a right teflon lead 7. Insulating layers with the length of 4.5mm are stripped from the two ends of a left teflon lead 8 and a right teflon lead 7 respectively, one end of a left thermal element 9 is welded with one end of the stripped left teflon lead 8, the other end of the left thermal element 9 is welded with one end of a left lead 2, one end of a right thermal element 5 is welded with one end of the stripped right teflon lead 7, and the other end of the right thermal element 5 is welded with one end of a right lead 4. The left thermal element 9, the left lead wire 2 and the left teflon lead wire 8 are integrated, the right lead wire 4, the right thermal element 5 and the right teflon lead wire 7 are integrated, and the prepared two integrated components are ready for use.
The processing of the shell 1 is to manufacture the shell 1 by using a die, wherein a left lead groove 10, a lead sealing groove 11, a left lower lead groove 12, a left thermal element groove 13, a left teflon groove 14, a teflon wire sealing groove 15, a left lower teflon groove 16, a right lead groove 17, a right lower lead groove 18, a right thermal element groove 19, a right teflon groove 20, a right lower teflon groove 21 are formed in the shell 1, and an isolation boss 22 is arranged between the left thermal element groove 13 and the right thermal element groove 19.
Assembling the thermal fuse: the left heat element 9 of the welded left lead wire 2 and left teflon lead wire 8 is placed in the left heat element groove 13, the right heat element 5 of the welded right lead wire 4 and right teflon lead wire 7 is placed in the right heat element groove 19, and the flux 6 after being heated and melted is injected to the outer surfaces of the left heat element 9 and the right heat element 5 by a glue dispenser. Finally, encapsulating the epoxy resin glue 3 in the inner cavity of the shell 1 by using a glue dispenser, so that the epoxy resin glue 3 wraps and seals all the left lead wire groove 10, the lead wire sealing groove 11, the left lower lead wire groove 12, the left thermal element groove 13, the left teflon wire groove 14, the teflon wire sealing groove 15, the left lower teflon wire groove 16, the right lead wire groove 17, the right lower lead wire groove 18, the right thermal element groove 19, the right teflon wire groove 20, the right lower teflon wire groove 21 and the isolation boss 22. And the thermal fuse assembly is completed for standby.
When the LED lamp is used, the two ends of the left lead 2 and the right lead 4 of the thermal fuse link are respectively inserted into two pin copper needles at one end of the T5 lamp tube, the left lead 2 and the right lead 4 are respectively stamped in the pin copper needles by a micro punch, and the left teflon lead 8 and the right teflon lead 7 of the thermal fuse link are welded on a circuit board of the LED lamp. When the LED lamp is in use, arc discharge between the pin copper needle and the lamp holder and temperature rise in the lamp tube occur, the temperature of the left thermal element 9 and the right thermal element 5 in the thermal fuse body also rise. When the temperatures of the left and right heat elements 9, 5 rise to the rated operating temperature, the left and right heat elements 9, 5 are quickly fused with the help of the fluxing agent 6, and after the right and left heat elements 5, 9 are fused, the connection between the two pins copper pins and the internal circuit board is also broken, so that the circuit in the LED lamp is protected.
Example two
Referring to fig. 1-7, the connections of left lead 2, right lead 4, right thermal element 5, left thermal element 9, right teflon lead 7 and left teflon lead 8 are made. Two alloy wires with the diameter of 0.7mm and the length of 4.5mm and at the temperature of 150 ℃ are selected as a right thermal element 5 and a left thermal element 9, two tinned copper wires with the diameter of 0.55mm and the length of 50mm are selected as a left lead 2 and a right lead 4, and two teflon insulated wires with the diameter of 0.55mm and the length of 50mm are selected as a left teflon lead 8 and a right teflon lead 7. Insulating layers with the length of 4.5mm are stripped from the two ends of a left teflon lead 8 and a right teflon lead 7 respectively, one end of a left thermal element 9 is welded with one end of the stripped left teflon lead 8, the other end of the left thermal element 9 is welded with one end of a left lead 2, one end of a right thermal element 5 is welded with one end of the stripped right teflon lead 7, and the other end of the right thermal element 5 is welded with one end of a right lead 4. The left thermal element 9, the left lead wire 2 and the left teflon lead wire 8 are integrated, the right lead wire 4, the right thermal element 5 and the right teflon lead wire 7 are integrated, and the prepared two integrated components are ready for use.
The processing of the shell 1 is to manufacture the shell 1 by using a die, wherein a left lead groove 10, a lead sealing groove 11, a left lower lead groove 12, a left thermal element groove 13, a left teflon groove 14, a teflon wire sealing groove 15, a left lower teflon groove 16, a right lead groove 17, a right lower lead groove 18, a right thermal element groove 19, a right teflon groove 20, a right lower teflon groove 21 are formed in the shell 1, and an isolation boss 22 is arranged between the left thermal element groove 13 and the right thermal element groove 19.
The assembly and use process of the thermal link are the same as those of the first embodiment, and thus a description thereof will not be repeated.
The above description is only a non-limiting embodiment of the utility model, but numerous examples can be derived, which can be made by a person skilled in the art without departing from the inventive concept and without inventive effort, and which fall within the scope of protection of the utility model.
Claims (4)
1. An alloy type thermal fuse for a T5 series LED lamp having a parallel structure, comprising: casing (1), left lead (2), epoxy glues (3), right lead (4), right thermal element (5), fluxing agent (6), right indisputable fluorine dragon lead (7), left indisputable fluorine dragon lead (8), left thermal element (9), left lead wire groove (10), lead wire seal gluey groove (11), left lower lead wire groove (12), left thermal element groove (13), left indisputable fluorine dragon groove (14), indisputable fluorine dragon line seal gluey groove (15), left lower indisputable fluorine dragon groove (16), right lead wire groove (17), right lower lead wire groove (18), right thermal element groove (19), right indisputable fluorine dragon groove (20), right lower indisputable fluorine dragon groove (21) and keep apart boss (22), its characterized in that: the thermal fuse body is characterized in that a left lead (2) and a right lead (4) are respectively arranged on the upper part of the shell (1), a left thermal element (9) is arranged in a left thermal element groove (13), the end part of the left thermal element is welded with the left lead (2), the other end of the left thermal element (9) is welded with a left teflon lead (8), a right thermal element (5) is arranged in a right thermal element groove (19), the end part of the right thermal element is welded with the right lead (4), the other end of the right thermal element (5) is welded with a right teflon lead (7), fluxing agents (6) are respectively wrapped on the outer surfaces of the left thermal element (9) and the right thermal element (5), the left lead (2) and the right lead (4) are respectively penetrated out of the top of the shell (1), the right teflon lead (7) and the left teflon lead (8) are respectively penetrated out of the bottom of the shell (1), and epoxy resin adhesive (3) is filled in the shell (1) at one time, and the left lead (2), the right lead (4), the right teflon lead (7) and the left teflon lead (8) are respectively sealed.
2. The alloy type thermal fuse which is used for T5 series LED lamps and has parallel structures according to claim 1, wherein: the thermal fuse body is characterized in that a left lead wire groove (10) and a right lead wire groove (17) are respectively arranged on the upper portion of the shell (1), a lead wire sealing groove (11) is arranged on the lower portion of the left lead wire groove (10) and the lower portion of the right lead wire groove (17), a left lower lead wire groove (12) and a right lower lead wire groove (18) are respectively arranged on the lower portion of the lead wire sealing groove (11), a left thermal element groove (13) is arranged on the lower portion of the left lower lead wire groove (12), a right thermal element groove (19) is arranged on the lower portion of the right lower lead wire groove (18), a left fluorine wire groove (14) is arranged on the lower portion of the left thermal element groove (13), a right fluorine wire groove (20) is arranged on the lower portion of the right thermal element groove (19), an isolation boss (22) is arranged between the left fluorine wire groove (14) and the right thermal element groove (19), and a fluorine wire sealing groove (15) is arranged on the lower portion of the left fluorine wire sealing groove (15), and a fluorine wire groove (21) is respectively arranged on the lower portion of the left fluorine wire sealing groove (15).
3. The alloy type thermal fuse which is used for T5 series LED lamps and has parallel structures according to claim 1, wherein: the thermal fuse is characterized in that a left lead wire groove (10), a right lead wire groove (17), a left lower lead wire groove (12) and a right lower lead wire groove (18) in a shell (1) in the thermal fuse body are respectively communicated with a lead wire sealing groove (11), the left lower lead wire groove (12) and a left fluorine wire groove (14) are respectively communicated with a left thermal element groove (13), the right lower lead wire groove (18) and a right fluorine wire groove (20) are respectively communicated with a right thermal element groove (19), and the left lower fluorine wire groove (16) and the right lower fluorine wire groove (21) are respectively communicated with a fluorine wire sealing groove (15).
4. The alloy type thermal fuse which is used for T5 series LED lamps and has parallel structures according to claim 1, wherein: the opening parts of the left lead wire groove (10), the right lead wire groove (17), the left lower Teflon wire groove (16) and the right lower Teflon wire groove (21) in the shell (1) in the thermal fuse body are provided with V-shaped guide surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320623792.2U CN219457463U (en) | 2023-03-27 | 2023-03-27 | Alloy type thermal fuse link with parallel structure for T5 series LED lamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320623792.2U CN219457463U (en) | 2023-03-27 | 2023-03-27 | Alloy type thermal fuse link with parallel structure for T5 series LED lamps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219457463U true CN219457463U (en) | 2023-08-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320623792.2U Active CN219457463U (en) | 2023-03-27 | 2023-03-27 | Alloy type thermal fuse link with parallel structure for T5 series LED lamps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219457463U (en) |
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2023
- 2023-03-27 CN CN202320623792.2U patent/CN219457463U/en active Active
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