Shared power supply cabinet circuit board with high-temperature power-off function
By using silicone pads and reinforcing components for shock absorption on the circuit board of the shared power cabinet, and combining bimetallic strips and a mercury heat-conducting cylinder design, the problems of high-temperature burnout and complex structure are solved, achieving automatic power-off protection and cost reduction.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-16
- Publication Date
- 2026-03-06
AI Technical Summary
The circuit boards of existing shared power cabinets are prone to burning out under high temperatures, and the shock absorption devices are complex in structure and expensive.
It uses silicone pads and reinforcing components for shock absorption, and incorporates a design with a bimetallic strip and a heat-conducting cylinder combined with mercury to automatically cut off power and issue an alarm at high temperatures, simplifying the shock absorption components.
It realizes automatic power-off protection circuit board at high temperature, simplifies shock absorption components, and reduces cost.
Smart Images

Figure CN223977882U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a circuit board, specifically a shared power cabinet circuit board with a high-temperature power-off function, belonging to the field of circuit board technology. Background Technology
[0002] Shared power stations are devices that provide public charging and electricity services, commonly found in public places such as train stations, shopping malls, hotels, and restaurants. They are usually based on the sharing economy, where users can obtain power or charging services by scanning a QR code and paying a fee to meet their short-term electricity needs.
[0003] Circuit boards are the core components that enable device functions. They are typically used to manage power distribution, monitor device status, and implement communication and control functions.
[0004] Chinese Patent Publication CN209376099U discloses a flexible circuit board with shock absorption effect for shared power supply. The flexible circuit board has a shock absorption device at the bottom end, which can reduce the vibration of the flexible circuit board after it is impacted, thereby avoiding damage to the flexible circuit board and further extending the service life of the flexible circuit board.
[0005] The aforementioned patent protects the circuit board through a shock-absorbing device. However, in practical applications, it has been found that the buffer device and shock-absorbing device consist of multiple components (such as moving blocks, springs, and ball bearings), which makes the structure relatively complex and increases costs.
[0006] Furthermore, if users plug in non-standard equipment or multiple high-power devices simultaneously, exceeding the circuit board's design capacity, the circuit board will overheat and potentially burn out. Therefore, this paper proposes a shared power cabinet circuit board with a high-temperature power-off function. Utility Model Content
[0007] This utility model proposes a shared power cabinet circuit board with high-temperature power-off function, which can automatically cut off the power and issue an alarm when the circuit board reaches a high temperature, thus protecting the circuit board. At the same time, it simplifies the shock absorption components and reduces costs.
[0008] This utility model is achieved through the following technical solution: a shared power cabinet circuit board with high temperature power-off function, including a circuit board body, a shock-absorbing component for shock absorption is provided on the back of the circuit board body, the shock-absorbing component includes a silicone pad, the silicone pad has a reinforcing part, and mounting holes are provided on both the silicone pad and the circuit board body, and screws A are placed in the mounting holes.
[0009] The back of the circuit board body is also provided with a protection mechanism for high temperature protection. The protection mechanism includes a fixing seat fixed to the circuit board body. The fixing seat includes a clamping plate. The clamping plate is fixed to the circuit board body. The clamping plate is provided with screw B. The bimetallic strip is fixed to the clamping plate by screw B.
[0010] A bimetallic strip is fixed on the mounting base. The protection mechanism also includes a power cord connected to a power source. The power cord extends to the interior of the left end of the heat-conducting cylinder. The power cord is mounted on the circuit board body. The power cord includes a first wire and a second wire. Both the first wire and the second wire extend to the interior of the left end of the heat-conducting cylinder. The power cord also includes a limiting seat fixed to the circuit board body. The limiting seat is fixed to the first wire and the second wire. A first insulating gasket is sealed between the first wire, the second wire, and the heat-conducting cylinder.
[0011] The protection mechanism also includes a rotating seat fixed on the circuit board body. The rotating seat includes a U-shaped plate, which is fixed to the circuit board body. A rotating shaft is rotatably connected between the U-shaped plate and the heat-conducting cylinder.
[0012] A heat-conducting cylinder is rotatably connected to the rotating base. Mercury is disposed inside the heat-conducting cylinder. An alarm component is installed at the right end of the heat-conducting cylinder. The alarm component includes a buzzer body. Buzzer wire A and buzzer wire B are installed on the buzzer body. A fixing plate is fixed between the buzzer body and the heat-conducting cylinder. Buzzer wire A and buzzer wire B both extend into the interior of the right end of the heat-conducting cylinder. A second insulating gasket is used to seal and fix buzzer wire A and buzzer wire B to the heat-conducting cylinder.
[0013] This utility model provides a shared power cabinet circuit board with high-temperature power-off function, which has the following beneficial effects:
[0014] 1. The circuit board of this shared power cabinet with high-temperature power-off function deforms under vibration through silicone pads and reinforcing parts, and then absorbs energy by restoring its shape, achieving a good shock absorption effect. When the circuit board body malfunctions and the temperature is too high, the bimetallic strip will deform, and the left end of the bimetallic strip will bend downward. The heat conduction cylinder will rotate clockwise under the action of gravity, and the mercury inside the heat conduction cylinder will move from the left end to the right end. At this time, the first and second wires will be in a circuit-broken state, and the buzzer wire A and buzzer wire B will be in a circuit-closed state. The buzzer body will start and sound an alarm. This device can automatically cut off the power and sound an alarm when the circuit board body is overheated, protecting the circuit board body, while simplifying the shock absorption components and reducing costs. Attached Figure Description
[0015] Figure 1This is a three-dimensional structural diagram of the present invention from a frontal view.
[0016] Figure 2 This is a three-dimensional structural diagram of the present invention from a rear-view perspective;
[0017] Figure 3 This is a schematic diagram of the mounting cylinder in this utility model;
[0018] Figure 4 This is a cross-sectional view of the internal structure of the mounting cylinder in this utility model.
[0019] Explanation of reference numerals in the attached figures
[0020] 1. Circuit board body;
[0021] 2. Shock-absorbing components; 201. Silicone pad; 202. Reinforcing part; 203. Mounting hole; 204. Screw A;
[0022] 3. Protective mechanism; 301. Fixing base; 3011. Clamping plate; 3012. Screw B;
[0023] 302. Bimetallic strip; 303. Power supply wire; 3031. First wire; 3032. Second wire; 3033. Limiting seat; 304. Heat-conducting cylinder;
[0024] 305. Alarm assembly; 3051. Buzzer wire A; 3052. Buzzer wire B; 3053. Buzzer body; 3054. Mounting plate;
[0025] 306. Rotating seat; 3061. U-shaped plate; 3062. Rotating shaft; 307. First insulating washer; 308. Second insulating washer; 309. Mercury. Detailed Implementation
[0026] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this application.
[0027] Please see Figures 1-4 The present invention proposes the following implementation scheme: a shared power cabinet circuit board with high temperature power-off function, including a circuit board body 1, and a shock-absorbing component 2 for shock absorption is provided on the back of the circuit board body 1. The shock-absorbing component 2 includes a silicone pad 201, and the silicone pad 201 has a reinforcing part 202. The reinforcing part 202 can support the middle part of the circuit board body 1.
[0028] Both the silicone pad 201 and the circuit board body 1 have mounting holes 203, and screws A204 are placed in the mounting holes 203. The mounting holes 203 and screws A204 facilitate the installation of the circuit board body 1 and the silicone pad 201.
[0029] Please refer to this carefully. Figure 3 and Figure 4 The back of the circuit board body 1 is also provided with a protection mechanism 3 for high temperature protection. The protection mechanism 3 includes a fixing seat 301 fixed to the circuit board body 1. The fixing seat 301 includes a clamping plate 3011. The clamping plate 3011 is fixed to the circuit board body 1. The clamping plate 3011 is provided with screws B3012. The bimetallic strip 302 is fixed to the clamping plate 3011 by screws B3012. The bimetallic strip 302 is fixed to the clamping plate 3011 by screws B3012.
[0030] Please refer to this carefully. Figure 3 and Figure 4 A bimetallic strip 302 is fixed on the mounting base 301. The protection mechanism 3 also includes a power cord 303 connected to the power supply. The power cord 303 extends to the interior of the left end of the heat-conducting cylinder 304. Preferably, the heat-conducting cylinder 304 is made of an insulating material with good thermal conductivity. The power cord 303 is mounted on the circuit board body 1.
[0031] The power cord 303 includes a first wire 3031 and a second wire 3032. Both the first wire 3031 and the second wire 3032 extend into the interior of the left end of the heat-conducting cylinder 304. The power cord 303 also includes a limiting seat 3033 fixed to the circuit board body 1. The limiting seat 3033 is fixed to the first wire 3031 and the second wire 3032.
[0032] A first insulating washer 307 is sealed and fixed between the first wire 3031 and the second wire 3032 and the heat-conducting cylinder 304. The first wire 3031 and the second wire 3032 between the limiting seat 3033 and the heat-conducting cylinder 304 are curved to facilitate the rotation of the heat-conducting cylinder 304.
[0033] The protection mechanism 3 also includes a rotating seat 306 fixed on the circuit board body 1. The rotating seat 306 includes a U-shaped plate 3061, which is fixed to the circuit board body 1. A rotating shaft 3062 is rotatably connected between the U-shaped plate 3061 and the heat-conducting cylinder 304. The heat-conducting cylinder 304 can rotate on the U-shaped plate 3061 through the rotating shaft 3062.
[0034] Please refer to this carefully. Figure 4 A heat-conducting cylinder 304 is rotatably connected to the rotating seat 306. Preferably, an inert gas is filled into the heat-conducting cylinder 304 to effectively reduce the risk of oxidation of mercury 309. Mercury 309 is provided inside the heat-conducting cylinder 304, and an alarm component 305 is installed at the right end of the heat-conducting cylinder 304.
[0035] The alarm assembly 305 includes a buzzer body 3053, on which buzzer wires A3051 and B3052 are installed. A fixing plate 3054 is fixed between the buzzer body 3053 and the heat-conducting cylinder 304. Both buzzer wires A3051 and B3052 extend into the interior of the right end of the heat-conducting cylinder 304. A second insulating washer 308 is used to seal and fix the buzzer wires A3051 and B3052 to the heat-conducting cylinder 304. The first insulating washer 307 and the second insulating washer 308 can improve the sealing effect.
[0036] Working principle: When the circuit board is vibrated, the silicone pad 201 and the reinforcing part 202 will deform due to the vibration. Then, the silicone pad 201 and the reinforcing part 202 will restore their shape to absorb energy, achieving a good shock absorption effect. When the circuit board body 1 malfunctions and the temperature is too high, the bimetallic strip 302 will absorb heat and deform. The left end of the bimetallic strip 302 will bend downward, and the heat conduction cylinder 304 will rotate clockwise under the action of gravity. The mercury 309 inside the heat conduction cylinder 304 will flow out from the left end. Moved to the right end of the heat-conducting cylinder 304, mercury 309 wraps around buzzer wires A3051 and B3052. At this time, the first wire 3031 and the second wire 3032 will be in a circuit-disconnected state, while buzzer wires A3051 and B3052 will be in a circuit-connected state. The buzzer body 3053 is activated and an alarm is sounded. This device can automatically cut off the power and sound an alarm when the circuit board body 1 reaches a high temperature, thus protecting the circuit board body 1. At the same time, it simplifies the shock absorption component 2 and reduces costs.
[0037] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A shared power cabinet circuit board with high-temperature power-off function, comprising a circuit board body (1), characterized in that: The back of the circuit board body (1) is provided with a damping assembly (2) for damping, and the back of the circuit board body (1) is also provided with a protection mechanism (3) for high temperature protection; The protection mechanism (3) comprises a fixed seat (301) fixed with the circuit board body (1), and a bimetallic strip (302) is fixed on the fixed seat (301); The protection mechanism (3) further comprises a power supply wire (303) connected with the power supply, and the power supply wire (303) is installed on the circuit board body (1); The protection mechanism (3) further comprises a rotating seat (306) fixed on the circuit board body (1), a heat conducting cylinder (304) is rotatably connected to the rotating seat (306), an alarm assembly (305) is installed at the right end of the heat conducting cylinder (304), the power supply wire (303) extends into the left end of the heat conducting cylinder (304), and mercury (309) is arranged in the heat conducting cylinder (304).
2. The circuit board of a shared power cabinet with high-temperature power-off function according to claim 1, characterized in that: The damping assembly (2) comprises a silica gel pad (201), the silica gel pad (201) has a reinforcing portion (202), mounting holes (203) are formed in the silica gel pad (201) and the circuit board body (1), and screws A (204) are arranged in the mounting holes (203).
3. The circuit board of a shared power cabinet with high-temperature power-off function according to claim 1, characterized in that: The fixed seat (301) comprises a clamping plate (3011), the clamping plate (3011) is fixed with the circuit board body (1), a screw B (3012) is arranged on the clamping plate (3011), and the bimetallic strip (302) is fixed with the clamping plate (3011) through the screw B (3012).
4. The circuit board of a shared power cabinet with high-temperature power-off function according to claim 1, characterized in that: The power supply wire (303) comprises a first wire (3031) and a second wire (3032), the first wire (3031) and the second wire (3032) extend into the left end of the heat conducting cylinder (304), the power supply wire (303) further comprises a limiting seat (3033) fixed with the circuit board body (1), the limiting seat (3033) is fixed with the first wire (3031) and the second wire (3032), and first insulation washers (307) are sealingly fixed between the first wire (3031) and the second wire (3032) and the heat conducting cylinder (304).
5. The circuit board of a shared power cabinet with high-temperature power-off function according to claim 1, characterized in that: The alarm assembly (305) comprises a buzzer body (3053), a buzzer wire A (3051) and a buzzer wire B (3052) are installed on the buzzer body (3053), a fixed plate (3054) is fixed between the buzzer body (3053) and the heat conducting cylinder (304), the buzzer wire A (3051) and the buzzer wire B (3052) extend into the right end of the heat conducting cylinder (304), and second insulation washers (308) are sealingly fixed between the buzzer wire A (3051) and the buzzer wire B (3052) and the heat conducting cylinder (304).
6. The shared power cabinet circuit board with high-temperature power-off function according to claim 1, characterized in that: The rotating seat (306) comprises a U-shaped plate (3061), the U-shaped plate (3061) is fixed with the circuit board body (1), and a rotating shaft (3062) is rotatably connected between the U-shaped plate (3061) and the heat conducting cylinder (304).
Citation Information
Patent Citations
Flexible circuit board with damping effect for shared power supply
CN209376099U