A fire indicator light
The design of detachable lamp holder and lamp base solves the problem of high overall replacement cost when fire indicator lights and alarm lights are damaged, and realizes fast and low-cost bulb replacement.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HUBEI HUADIAN XIANGYANG GAS TURBINE THERMAL POWER CO LTD
- Filing Date
- 2025-06-20
- Publication Date
- 2026-08-04
AI Technical Summary
The existing fire indicator lights need to be replaced entirely when they are damaged, which results in high costs.
The lamp holder and lamp base are detachably connected, allowing for quick replacement by only replacing the lamp holder and bulb while retaining the base, conductive springs, and protective cover.
It reduced replacement costs, simplified the maintenance process, and improved replacement efficiency.
Smart Images

Figure CN224595151U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of fire indicator lights. Background Technology
[0002] Fire indicator lights play a crucial role as part of the fire protection system for gas turbines. The four-color fire indicator lights display the current status of the fire protection system: red indicates a fire alarm is in effect, yellow indicates normal monitoring, blue indicates mechanical interlocking, and green indicates key interlocking. These lights are interlocked via the fire control panel, with only one color lit at a time, allowing maintenance personnel to directly assess the status of the on-site fire protection system.
[0003] Chinese utility model patent CN218525171U discloses a status alarm indicator light for fire linkage, including a connecting base. An alarm light is snapped onto the upper surface of the connecting base. The connecting base is embedded and fixed to the surface of the wall by connecting feet. Then, the alarm light and the connecting base are positioned and installed by the sliding action of the ball bearing in the groove and the connecting groove. After the alarm light slides to the appropriate position, the spring pushes the locking block to slide along the slide groove to lock the alarm light. Finally, the baffle and electrode post are removed by the straight groove and the snap groove.
[0004] The aforementioned technologies have the following drawbacks: alarm lights are usually only vulnerable to damage due to their internal light source, and the aforementioned devices require the replacement of the entire alarm light, which is costly. Utility Model Content
[0005] The purpose of this utility model is to overcome the above-mentioned technical deficiencies and propose a fire indicator light to solve the technical problem that the alarm light needs to be replaced as a whole after it is damaged in the prior art.
[0006] To achieve the above technical objectives, the present invention provides a fire indicator light, including a base;
[0007] A conductive spring, one end of which is connected to a base and is connected to a power source;
[0008] A lamp holder, which is connected to a base, and the conductive spring is located inside the lamp holder;
[0009] A lamp holder, which is detachably connected to a lamp base;
[0010] A light bulb, which is mounted on a lamp holder;
[0011] A conductive sheet, connected to a lamp holder, electrically connected to a light bulb, and abutting against a conductive spring; and...
[0012] A protective cover, which is connected to the base.
[0013] In some embodiments, the conductive spring is arc-shaped.
[0014] In some embodiments, the indicator light further includes a wear-resistant layer, which is attached to the conductive spring at the position where it contacts the conductive sheet.
[0015] In some embodiments, the lamp holder includes an inner ring, an outer ring, a reinforcing rib, and a first fixing component. The inner ring is located inside the outer ring. One end of the reinforcing rib is connected to the inner ring, and the other end of the reinforcing rib is connected to the outer ring. The first fixing component is mounted on a base and is detachably connected to the lamp holder.
[0016] In some embodiments, the first fixing component includes a washer and a bolt. The washer is connected to the outer ring and has a through hole. The base has a screw hole and the bolt passes through the through hole and is threaded into the screw hole.
[0017] In some embodiments, the indicator light further includes a second fixing component, which includes a magnetic absorbing sheet and a metal sheet. The magnetic absorbing sheet is connected to the inner ring, and the metal sheet is connected to the lamp holder. The magnetic absorbing sheet and the metal sheet are attracted to each other.
[0018] In some embodiments, the indicator light further includes a positioning rod connected to the lamp holder, a positioning groove for accommodating the positioning rod on the inner ring, a magnetic piece connected to the bottom of the positioning groove, and a metal piece connected to the end of the positioning rod.
[0019] In some embodiments, the corner of the positioning rod near the positioning groove is rounded.
[0020] In some embodiments, the indicator light further includes a sealing assembly disposed between the base and the protective cover. The sealing assembly includes a thermally conductive adhesive layer, a structural adhesive layer, and a protective adhesive layer arranged sequentially from the side closer to the bulb to the side farther away from the bulb.
[0021] In some embodiments, the sealing assembly further includes an adhesive groove for accommodating a thermally conductive adhesive layer, a structural adhesive layer, and a protective adhesive layer.
[0022] Compared with the prior art, the beneficial effects of this utility model include: by using the detachable design of the lamp holder and lamp base, the replacement unit is reduced to the lamp holder and bulb, while retaining components such as the base, conductive spring, and protective cover, thereby reducing costs. Attached Figure Description
[0023] Figure 1 This is a schematic diagram of the overall structure of the indicator light provided by this utility model;
[0024] Figure 2This is a schematic diagram of the overall structure of the lamp holder provided by this utility model.
[0025] Explanation of reference numerals in the attached figures:
[0026] 1. Base; 2. Conductive spring; 21. Wear-resistant layer; 3. Lamp holder; 31. Inner ring; 32. Outer ring; 33. Reinforcing rib; 34. First fixing component; 341. Gasket; 342. Bolt; 343. Through hole; 344. Screw hole; 4. Lamp holder; 5. Light bulb; 6. Conductive sheet; 7. Protective cover; 8. Second fixing component; 81. Magnetic suction piece; 82. Metal sheet; 83. Positioning rod; 84. Positioning groove; 9. Sealing component; 91. Thermally conductive adhesive layer; 92. Structural adhesive layer; 93. Protective adhesive layer; 94. Adhesive groove. Detailed Implementation
[0027] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this utility model and are not intended to limit this utility model.
[0028] This utility model provides a fire indicator light, the structure of which is as follows: Figure 1 - Figure 2 As shown, it includes a base 1, a conductive spring 2, a lamp holder 3, a lamp frame 4, a light bulb 5, a conductive sheet 6, and a protective cover 7.
[0029] One end of the conductive spring 2 is connected to the base 1, and the conductive spring 2 is connected to the power supply.
[0030] The lamp holder 3 is connected to the base 1, and the conductive spring 2 is located inside the lamp holder 3.
[0031] The lamp holder 4 is detachably connected to the lamp base 3.
[0032] The bulb 5 is mounted on the lamp holder 4.
[0033] The conductive sheet 6 is connected to the lamp holder 4, the conductive sheet 6 is electrically connected to the bulb 5, and the conductive sheet 6 abuts against the conductive spring 2.
[0034] The protective cover 7 is connected to the base 1.
[0035] During use, the power supply is connected to the conductive spring 2 on the base 1. The conductive spring 2 is elastic. When the lamp holder 4 is installed on the lamp holder 3, the conductive piece 6 on the lamp holder 4 abuts against the conductive spring 2. Since the conductive piece 6 is also electrically connected to the bulb 5, a complete current path is formed, allowing the bulb 5 to light normally. In this process, the elasticity of the conductive spring 2 ensures stable contact with the conductive piece 6. Even if the indicator light is subjected to slight vibration, a good electrical connection can be maintained, ensuring that the bulb 5 continues to work stably. The lamp holder 4 and the lamp holder 3 are detachably connected. When the bulb 5 is damaged, simply detach the lamp holder 4 from the lamp holder 3, and the bulb 5 will be removed along with the lamp holder 4. Then, the lamp holder 4 with the new bulb 5 is reinstalled on the lamp holder 3. The conductive piece 6 on the lamp holder 4 will automatically abut against the conductive spring 2 in the lamp holder 3, quickly restoring the circuit connection and enabling quick replacement of the bulb 5. The entire process requires no complicated wiring operations.
[0036] In this utility model, the replacement unit is reduced to lamp holder 4 and bulb 5 by detaching lamp holder 4 and lamp base 3, while retaining components such as base 1, conductive spring 2, and protective cover 7, thereby reducing costs.
[0037] To extend the service life of conductive spring 2, please refer to... Figure 1 In a preferred embodiment, the conductive spring 2 is arc-shaped.
[0038] When in use, the curvature of the arc-shaped spring evenly distributes stress, avoiding stress concentration at the bending point of the straight spring, reducing stress concentration, and preventing breakage caused by repeated deformation.
[0039] To slow down the wear rate of conductive spring 2, please refer to... Figure 1 In a preferred embodiment, the indicator light further includes a wear-resistant layer 21, which is attached to the conductive spring 2 at the position where it contacts the conductive sheet 6. The wear-resistant layer 21 is made of electroplated hard chrome and has a thickness of 5 μm.
[0040] During use, the high hardness of the wear-resistant layer 21 reduces abrasive wear caused by vibration, reduces the relative slippage between the spring sheet and the conductive sheet 6, reduces the amount of wear debris generated, and avoids contact failure caused by debris accumulation.
[0041] To improve the strength of lamp holder 3, please refer to... Figure 2 In a preferred embodiment, the lamp holder 3 includes an inner ring 31, an outer ring 32, a reinforcing rib 33, and a first fixing component 34. The inner ring 31 is located inside the outer ring 32. One end of the reinforcing rib 33 is connected to the inner ring 31, and the other end of the reinforcing rib 33 is connected to the outer ring 32. The first fixing component 34 is mounted on the base 1 and is detachably connected to the lamp holder 3.
[0042] In use, the inner ring 31 and the outer ring 32 form a double-layered annular frame, creating a stable mechanical structure that can evenly distribute the gravity and external forces from components such as the lamp holder 4 and the bulb 5. The reinforcing rib 33 connects the inner ring 31 and the outer ring 32, dispersing and transmitting the external forces on the lamp holder 3, preventing stress concentration at a single point or in a specific area. The first fixing component 34 and the base 1 are detachably connected. During installation, the lamp holder 3 is simply aligned and fixed to the base 1 via the first fixing component 34. During disassembly, the lamp holder 3 can be separated from the base 1 by disconnecting the first fixing component 34, facilitating the inspection and replacement of components such as the conductive spring 2 and the lamp holder 4 inside the lamp holder 3, reducing maintenance difficulty and time costs.
[0043] To achieve a detachable connection between lamp holder 3 and base 1, please refer to... Figure 2 In a preferred embodiment, the first fixing component 34 includes a washer 341 and a bolt 342. The washer 341 is connected to the outer ring 32. The washer 341 has a through hole 343. The base 1 has a screw hole 344. The bolt 342 passes through the through hole 343 and is threaded into the screw hole 344.
[0044] During installation, place the washer 341 against the base 1, aligning the through hole 343 with the screw hole 344. Pass the bolt 342 through the through hole 343 and tighten it into the screw hole 344 until the nut on the bolt 342 is pressed against the washer 341, thus securing the lamp holder 3. For disassembly, simply unscrew the bolt 342 from the screw hole 344. Installation and disassembly are convenient.
[0045] To achieve a detachable connection between lamp holder 3 and lamp bracket 4, please refer to... Figure 2 In a preferred embodiment, the indicator light further includes a second fixing component 8, which includes a magnetic absorbing piece 81 and a metal piece 82. The magnetic absorbing piece 81 is connected to the inner ring 31, and the metal piece 82 is connected to the lamp holder 4. The magnetic absorbing piece 81 and the metal piece 82 are attracted to each other.
[0046] During use and installation, place the lamp holder 4 on the lamp base 3, aligning the magnetic plate 81 with the metal plate 82. Under the attraction of the magnetic plate 81, the metal plate 82 presses firmly against the magnetic plate 81, thus securing the lamp holder 4. For disassembly, simply pull the lamp holder 4 up forcefully. Assembly and disassembly are convenient.
[0047] To achieve automatic alignment between lamp holder 4 and lamp base 3, please refer to... Figure 2 In a preferred embodiment, the indicator light further includes a positioning rod 83, which is connected to the lamp holder 4. The inner ring 31 is provided with a positioning groove 84 for accommodating the positioning rod 83. The magnetic absorbing piece 81 is connected to the bottom of the positioning groove 84, and the metal piece 82 is connected to the end of the positioning rod 83.
[0048] When in use, when the positioning rod 83 slides into the positioning groove 84, it works in conjunction with the magnetic field near the magnetic absorbing plate 81 to make the lamp holder 4 magnetically attracted within a relatively close range of the positioning groove 84, automatically correcting the angle deviation and further simplifying the installation process.
[0049] To make it easier for the positioning rod 83 to slide into the positioning groove 84, please refer to... Figure 2 In a preferred embodiment, the corner of the positioning rod 83 near the positioning groove 84 is rounded.
[0050] When in use, the rounded corners form a tapered guide structure. When there is an angular deviation between the positioning rod 83 and the positioning groove 84, the rounded surface can be automatically corrected by magnetic adsorption.
[0051] To improve the airtightness of the indicator light, please refer to... Figure 1 In a preferred embodiment, the indicator light further includes a sealing component 9, which is disposed between the base 1 and the protective cover 7. The sealing component 9 includes a thermally conductive adhesive layer 91, a structural adhesive layer 92, and a protective adhesive layer 93 arranged sequentially from the side closer to the bulb 5 to the side farther away from the bulb 5.
[0052] In use, from a thermal conductivity perspective, the thermally conductive adhesive layer 91 conducts heat from the heat source to the structural adhesive layer 92, and then diffuses it to the outside through the protective adhesive layer 93. From a strength perspective, the low modulus of the thermally conductive adhesive layer 91 absorbs micro-deformation, the structural adhesive layer 92 provides the main structural strength, and the high toughness of the protective adhesive layer 93 resists large deformations. From an airtightness perspective, the thermally conductive adhesive layer 91 fills microscopic gaps, the structural adhesive layer 92 blocks macroscopic leakage paths, and the protective adhesive layer 93 forms a physical barrier.
[0053] To slow down the failure rate of sealing assembly 9, please refer to Figure 1 In a preferred embodiment, the sealing assembly 9 further includes an adhesive groove 94 for accommodating the thermally conductive adhesive layer 91, the structural adhesive layer 92, and the protective adhesive layer 93.
[0054] During use, the setting of the adhesive groove 94 enables the limiting of the thermally conductive adhesive layer 91, the structural adhesive layer 92, and the protective adhesive layer 93, thereby slowing down the failure rate of the thermally conductive adhesive layer 91, the structural adhesive layer 92, and the protective adhesive layer 93 and extending their service life.
[0055] To better understand this utility model, the following is combined with... Figure 1 - Figure 2The working principle of a fire indicator light according to this utility model is described in detail: The power supply is connected to the conductive spring 2 on the base 1. The conductive spring 2 is elastic. When the lamp holder 4 is installed on the lamp holder 3, the conductive piece 6 on the lamp holder 4 abuts against the conductive spring 2. Since the conductive piece 6 is also electrically connected to the bulb 5, a complete current path is formed, allowing the bulb 5 to light normally. In this process, the elasticity of the conductive spring 2 ensures stable contact with the conductive piece 6. Even if the indicator light is subjected to slight vibration, it can maintain a good electrical connection, ensuring that the bulb 5 continues to work stably. The lamp holder 4 and the lamp holder 3 are detachably connected. When the bulb 5 is damaged, simply detach the lamp holder 4 from the lamp holder 3, and the bulb 5 will be removed along with the lamp holder 4. Then, the lamp holder 4 with the new bulb 5 is reinstalled on the lamp holder 3. The conductive piece 6 on the lamp holder 4 will automatically abut against the conductive spring 2 in the lamp holder 3, quickly restoring the circuit connection and enabling rapid replacement of the bulb 5. The entire process does not require complicated wiring operations.
[0056] The specific embodiments of this utility model described above do not constitute a limitation on the scope of protection of this utility model. Any other corresponding changes and modifications made based on the technical concept of this utility model should be included within the scope of protection of the claims of this utility model.
Claims
1. A fire indicator light, characterized in that, include: Base; A conductive spring, one end of which is connected to a base and is connected to a power source; A lamp holder, which is connected to a base, and the conductive spring is located inside the lamp holder; A lamp holder, which is detachably connected to a lamp base; A light bulb, which is mounted on a lamp holder; A conductive sheet, connected to a lamp holder, electrically connected to a light bulb, and abutting against a conductive spring; and... A protective cover, which is connected to the base.
2. The fire indicator light according to claim 1, characterized in that, The conductive spring is arc-shaped.
3. The fire indicator light according to claim 1, characterized in that, The indicator light also includes a wear-resistant layer, which is attached to the conductive spring at the position where it contacts the conductive sheet.
4. The fire indicator light according to claim 1, characterized in that, The lamp holder includes an inner ring, an outer ring, a reinforcing rib, and a first fixing component. The inner ring is located inside the outer ring. One end of the reinforcing rib is connected to the inner ring, and the other end of the reinforcing rib is connected to the outer ring. The first fixing component is installed on the base and is detachably connected to the lamp holder.
5. The fire indicator light according to claim 4, characterized in that, The first fixing component includes a washer and a bolt. The washer is connected to the outer ring and has a through hole. The base has a screw hole and the bolt passes through the through hole and is threaded into the screw hole.
6. The fire indicator light according to claim 4, characterized in that, The indicator light also includes a second fixing component, which includes a magnetic plate and a metal plate. The magnetic plate is connected to the inner ring, and the metal plate is connected to the lamp holder. The magnetic plate and the metal plate are attracted to each other.
7. The fire indicator light according to claim 6, characterized in that, The indicator light also includes a positioning rod, which is connected to the lamp holder. The inner ring is provided with a positioning groove for accommodating the positioning rod. The magnetic piece is connected to the bottom of the positioning groove, and the metal piece is connected to the end of the positioning rod.
8. The fire indicator light according to claim 7, characterized in that, The corner of the positioning rod near the positioning groove is rounded.
9. The fire indicator light according to claim 1, characterized in that, The indicator light also includes a sealing assembly disposed between the base and the protective cover. The sealing assembly includes a thermally conductive adhesive layer, a structural adhesive layer, and a protective adhesive layer arranged sequentially from the side closer to the bulb to the side farther away from the bulb.
10. The fire indicator light according to claim 9, characterized in that, The sealing assembly also includes an adhesive groove for accommodating a thermally conductive adhesive layer, a structural adhesive layer, and a protective adhesive layer.