Fireproof charging pile structure

Abstract

The application provides a fireproof charging pile structure, which comprises a charging pile shell, a mainboard area and a wiring area are arranged in the charging pile shell, an isolation area is arranged between the mainboard area and the wiring area, the isolation area is used for isolating the mainboard area and the wiring area, the mainboard area and the wiring area are both closed structures, wherein, a positive heat dissipation mechanism is further arranged in the isolation area, the positive heat dissipation mechanism comprises a heat dissipation box arranged on the outer wall of the isolation area, an upper through hole and a lower through hole are arranged on the side of the heat dissipation box close to the isolation area, a heat dissipation assembly is arranged in the mainboard area and the wiring area, an adjusting assembly for adjusting the heat dissipation assembly is arranged in the mainboard area and the wiring area, a micro pump is arranged in the heat dissipation box, the output end of the micro pump is connected with a three-way pipe, and the other two ports of the three-way pipe are connected with the upper through hole and the lower through hole respectively. The application plays a protection role of preventing the charging pile from catching fire through isolation and positive heat dissipation.

Description

Technical Field

[0001] This invention belongs to the field of charging pile technology, and in particular relates to a fire-proof charging pile structure. Background Technology

[0002] Charging piles are charging devices that provide energy replenishment for electric vehicles. Their function is similar to that of a gas pump in a gas station. They can be fixed to the ground or a wall and installed in public buildings (public buildings, shopping malls, public parking lots, etc.) and residential parking lots or charging stations. They can charge various models of electric vehicles according to different voltage levels.

[0003] The input end of the charging station is directly connected to the AC power grid, and the output end is equipped with a charging plug for charging electric vehicles. Charging stations generally provide two charging methods: regular charging and fast charging. Users can use a specific charging card to swipe on the human-machine interface provided by the charging station to perform corresponding charging operations and print out fee data. The charging station display screen can display data such as charging amount, cost, and charging time.

[0004] Currently, most AC charging piles in China use V-0 grade flame-retardant engineering plastics, yet fires still occur frequently. AC charging pile fires typically occur in two main parts: 1. the charging pile's mainboard; 2. the charging pile's input terminals (usually caused by loose connections). Although the mainboard and terminals have temperature detection systems that can cut off the output power when overheating, there is still a possibility of a fire caused by the mainboard's detection system malfunctioning. Summary of the Invention

[0005] In view of the shortcomings of the prior art described above, the purpose of this invention is to provide a fire-proof charging pile structure to solve the problem that charging piles in the prior art are prone to fire.

[0006] To achieve the above and other related objectives, the present invention provides a fire-resistant charging pile structure, including a charging pile housing. The charging pile housing contains a main board area and a wiring area. An isolation area is provided between the main board area and the wiring area to isolate the main board area and the wiring area. Both the main board area and the wiring area are enclosed structures. The wiring area is electrically connected to a charging gun via wiring terminals to output power for charging. Heat insulation plates are installed on the sides of the isolation area near the main board area and the wiring area, and a heat insulation layer is provided inside the heat insulation plates.

[0007] The isolation zone is equipped with an active cooling mechanism for actively cooling the motherboard area and the wiring area. The active cooling mechanism includes a heat sink mounted on the outer wall of the isolation zone. Both the motherboard area and the wiring area have an upper and a lower through-hole at their tops. Each of the motherboard area and the wiring area has a cooling component installed inside, connected to the upper and lower through-holes respectively. Both the motherboard area and the wiring area also have adjustment components for adjusting the cooling components. A micro-pump is installed inside the heat sink, with its output end connected to a T-junction. The other two ports of the T-junction are connected to the upper and lower through-holes respectively, allowing the micro-pump to pump coolant from the heat sink into the cooling components for active cooling of the motherboard area and the wiring area.

[0008] In one embodiment of the present invention, the heat dissipation assembly includes a hollow base, the outer wall of which is conductively connected to a plurality of downwardly inclined heat dissipation fins, the interior of which is a hollow structure, adjacent heat dissipation fins are connected by connecting pipes, and the top of the heat dissipation fins located at the outer end is conductively connected to a return pipe, the end of which is conductively connected to the heat dissipation box for re-introducing the evaporated coolant into the heat dissipation box.

[0009] In one embodiment of the present invention, the angle between the heat dissipation fins and the horizontal direction is degrees.

[0010] In one embodiment of the present invention, the heat dissipation fins and the hollow base are connected by a ball joint, and the ends of the heat dissipation fins are connected by a connecting plate. The adjustment assembly includes an electric push rod mounted on the connecting plate, which is used to push the heat dissipation fins to reciprocate.

[0011] In one embodiment of the present invention, the electric push rod includes a fixed section and a movable section. A hollow sleeve is fitted onto the surface of the fixed section. An annular push plate is connected to one end of the movable section near the fixed section via a connecting rod. The annular push plate matches the inner wall of the hollow sleeve. A plurality of flow guiding hoses are connected to the end of the hollow sleeve away from the annular push plate, so that when the movable section moves relative to the fixed section, the air inside the hollow sleeve is compressed by the annular push plate for heat dissipation.

[0012] In one embodiment of the present invention, a hollow ball is connected to the end of the flow guiding hose, and the surface of the hollow ball is provided with a plurality of through holes to discharge airflow from different directions.

[0013] In one embodiment of the present invention, electronic valves are installed at both output ends of the three-way tube, temperature sensors are installed inside the motherboard area and the wiring area, and a controller is installed outside the heat sink. The controller is electrically connected to the temperature sensors and the electronic valves respectively, and is used to adjust the opening degree of the electronic valves according to the temperature information detected by the temperature sensors.

[0014] In one embodiment of the present invention, a smoke sensor is also installed inside the motherboard area and the wiring area. The smoke sensor is electrically connected to the controller, and the controller sends an alarm message to the outside when the smoke sensor detects smoke.

[0015] As described above, the fire-resistant charging pile structure of the present invention has the following beneficial effects:

[0016] By setting up an isolation zone to separate the motherboard area and the wiring area, the motherboard and wiring terminals inside the charging pile are effectively isolated, making it less likely for fire to occur between the motherboard and wiring terminals and the areas in between. At the same time, during the operation of the charging pile, the active cooling mechanism actively dissipates heat from the motherboard area and wiring area, effectively reducing the temperature of the motherboard and wiring terminals inside the charging pile and reducing the risk of fire. Moreover, during the heat dissipation process, different amounts of coolant can be distributed according to the different temperatures of different locations, reducing power consumption while ensuring heat dissipation effect. Attached Figure Description

[0017] Figure 1 The flowchart shown is an embodiment of the fire-resistant charging pile structure of the present invention.

[0018] Figure 2 The diagram shown is a schematic representation of the hollow sphere in the fire-resistant charging pile structure of the present invention. Detailed Implementation

[0019] The following specific examples illustrate the implementation of the present invention. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that, unless otherwise specified, the following embodiments and features described therein can be combined with each other.

[0020] It should be noted that the illustrations provided in the following embodiments are only schematic representations of the basic concept of the present invention. Therefore, the drawings only show the components related to the present invention and are not drawn according to the actual number, shape and size of the components in the actual implementation. In the actual implementation, the form, quantity and proportion of each component can be arbitrarily changed, and the layout of the components may also be more complex.

[0021] The fire-proof charging pile structure of the present invention isolates the main board area and the wiring area by setting an isolation zone, effectively isolating the main board and wiring terminals inside the charging pile. This makes it less likely for the main board and wiring terminals, as well as the areas in between, to catch fire. At the same time, during the operation of the charging pile, an active heat dissipation mechanism actively dissipates heat from the main board area and wiring area, effectively reducing the temperature of the main board and wiring terminals inside the charging pile and reducing the risk of fire. Moreover, during the heat dissipation process, different amounts of coolant can be distributed according to the different temperatures of different locations, reducing power consumption while ensuring heat dissipation effect.

[0022] like Figure 1 As shown, the present invention provides a fire-resistant charging pile structure, including a charging pile housing 1. The charging pile housing 1 is provided with a main board area 2 and a wiring area 3 inside. An isolation area 4 is provided between the main board area 2 and the wiring area 3. The isolation area 4 is used to isolate the main board area 2 and the wiring area 3. The main board area 2 and the wiring area 3 are both closed structures. The wiring area 3 is electrically connected to the charging gun through wiring terminals to output power to complete charging. Heat insulation plates 6 are installed on the sides of the isolation area 4 near the main board area 2 and the wiring area 3. Heat insulation layers 7 are provided inside the heat insulation plates 6.

[0023] The isolation zone 4 is equipped with an active cooling mechanism 8, which actively dissipates heat from the motherboard area 2 and the wiring area 3. The active cooling mechanism 8 includes a heat sink 81 mounted on the outer wall of the isolation zone 4. Both the motherboard area 2 and the wiring area 3 have an upper conductive port 82 and a lower conductive port 83 at their tops. Both the motherboard area 2 and the wiring area 3 have heat dissipation components 84 installed inside, with the two heat dissipation components 84 respectively connected to the upper conductive port 82 and the lower conductive port 83. Furthermore, both the motherboard area 2 and the wiring area 3 are equipped with adjustment components 85 for adjusting the heat dissipation assembly 84. The heat dissipation box 81 is equipped with a micro pump 86. The output end of the micro pump 86 is connected to a three-way pipe 87. The other two ports of the three-way pipe 87 are connected to the upper guide port 82 and the lower guide port 83, respectively, so that the coolant in the heat dissipation box 81 can be pumped into the heat dissipation assembly 84 by the micro pump 86 to actively dissipate heat from the motherboard area 2 and the wiring area 3.

[0024] In this embodiment, the mainboard area 2 and wiring area 3, located inside the charging pile housing 1, are designed as enclosed structures. The mainboard area 2 houses the charging pile's mainboard and related components, while the wiring area 3 primarily connects the wiring terminals to the mainboard for power output. This enclosed structure prevents the mainboard area 2 and wiring area 3 from being easily affected by external factors. Furthermore, the isolation area 4 further isolates the mainboard area 2 and wiring area 3, preventing them from interfering with each other. Even if a fire occurs in the wiring area 3 due to poor soldering, it will not affect the mainboard area 2, thus protecting it. On the other hand, by installing heat insulation plates 6 and heat insulation layers 7 on both sides of the isolation area 4, these plates and layers insulate the mainboard area 2 and wiring area 3 from external heat, further preventing the isolation area 4 from being affected and providing fire protection.

[0025] When the motherboard area 2 and the wiring area 3 need to dissipate heat, the micro pump 86 draws the coolant inside the heat sink 81 into the upper conduction port 82 and the lower conduction port 83 through the three-way pipe 87, so that the coolant and the heat dissipation component 84 can work together to achieve rapid heat dissipation of the motherboard area 2 and the wiring area 3, effectively reducing the risk of fire inside the charging pile.

[0026] Furthermore, the heat dissipation assembly 84 includes a hollow base 841, with a plurality of downwardly inclined heat dissipation fins 842 connected to the outer wall of the hollow base 841. The heat dissipation fins 842 have a hollow internal structure, and adjacent heat dissipation fins 842 are connected to each other through a connecting pipe 843. The top of the heat dissipation fins 842 located at the outer end is connected to a return pipe 844, and the end of the return pipe 844 is connected to the heat dissipation box 81 for re-introducing the evaporated coolant into the heat dissipation box 81. The angle between the heat dissipation fins 842 and the horizontal direction is 45 degrees.

[0027] In this embodiment, when the heat dissipation component 84 dissipates heat, the coolant inside the heat dissipation box 81 is drawn out by the micro pump 86 and sent to the upper conduction port 82 and the lower conduction port 83 through the two ports of the three-way pipe 87. Then, the coolant enters the heat dissipation component 84 located inside the motherboard area 2 and the wiring area 3. After entering the heat dissipation component 84, the coolant dissipates heat by evaporating and absorbing heat, and then flows back into the heat dissipation box 81 through the return pipe 844. This heat dissipates heat inside the motherboard area 2 and the wiring area 3, effectively reducing the temperature of the motherboard and wiring terminals inside the charging pile during long-term operation, and playing a fire prevention role.

[0028] The heat dissipation assembly 84 receives the coolant input from the three-way pipe 87 through the hollow seat 841. Since the hollow seat 841 has multiple through holes (not shown in the figure) corresponding to the heat dissipation fins 842, the coolant is introduced into the corresponding heat dissipation fins 842 through the hollow seat 841. After the heat dissipation fins 842 absorb heat, the coolant absorbs it again and evaporates into steam. The steam then flows back into the heat dissipation box 81 through the return pipe 844 for cooling. A metal condensing plate 9 is also installed at the top of the heat dissipation box 81 to facilitate the rapid condensation and recombination of the coolant vapor inside the heat dissipation box 81.

[0029] In some other embodiments, the heat dissipation fins 842 and the hollow base 841 are connected by a ball joint, and the ends of the heat dissipation fins 842 are connected by a connecting plate 845. The adjustment assembly 85 includes an electric push rod 851 mounted on the connecting plate 845. The electric push rod 851 is used to push the heat dissipation fins 842 to reciprocate. While the heat dissipation fins 842 absorb heat, the reciprocating motion of the electric push rod 851 changes the position of the heat dissipation fins 842, thereby improving the heat absorption effect in the motherboard area 2 and the wiring area 3.

[0030] In some further embodiments, the electric actuator 851 includes a fixed section 852 and a movable section 853. A hollow sleeve 854 is fitted onto the surface of the fixed section 852. An annular push plate 855 is connected to one end of the movable section 853 near the fixed section 852 via a connecting rod 857. The annular push plate 855 matches the inner wall of the hollow sleeve 854, and a plurality of guide hoses 856 are connected to the end of the hollow sleeve 854 away from the annular push plate 855, so that when the movable section 853 moves relative to the fixed section 852, the air inside the hollow sleeve 854 is compressed by the annular push plate 855 for heat dissipation.

[0031] When the electric push rod 851 pushes the heat sink fins 841 back and forth, the moving section 853 of the electric push rod 851 continuously reciprocates within the fixed section 852, thereby pushing the annular push plate 855 to move inside the hollow sleeve 854. This compresses the gas inside the hollow sleeve 854, forming an airflow that is discharged through the guide hose 856. This disturbs the airflow inside the main board area 2 and the wiring area 3, accelerating the airflow and improving the heat absorption effect of the heat sink fins 841.

[0032] Furthermore, a hollow ball 858 is connected to the end of the flow guiding hose 856. The surface of the hollow ball 858 is provided with multiple through holes 859 to discharge airflow from different directions, thereby accelerating heat dissipation for the heat dissipation fins 841 at different locations.

[0033] In some embodiments, electronic valves 871 are installed at both output ends of the three-way pipe 87. Temperature sensors 872 are installed inside the main board area 2 and the wiring area 3. A controller 873 is installed outside the heat sink 81. The controller 873 is electrically connected to the temperature sensors 872 and the electronic valves 871 respectively, and is used to adjust the opening degree of the electronic valves 871 according to the temperature information detected by the temperature sensors 872. A smoke sensor 5 is also installed inside the main board area 2 and the wiring area 3. The smoke sensor 5 is electrically connected to the controller 873. When the smoke sensor 5 detects smoke, the controller 873 sends an alarm message to the outside.

[0034] Temperature sensor 872 detects the temperature of motherboard area 2 and wiring area 3. Controller 873 adjusts the electronic valve 871 on the three-way pipe 87 based on the detected temperature information, opening the electronic valve 871 in the higher-temperature area more fully to deliver more coolant and improve cooling efficiency. Meanwhile, smoke sensor 5 provides real-time smoke alarm, promptly alerting in case of emergencies and enhancing safety.

[0035] In summary, the fire-resistant charging pile structure of this invention isolates the mainboard area and the wiring area by setting up an isolation zone, effectively isolating the mainboard and wiring terminals inside the charging pile. This makes it less likely for fire to occur between the mainboard and wiring terminals, as well as in the areas between them. Furthermore, during operation, an active cooling mechanism actively dissipates heat from the mainboard and wiring areas, effectively reducing their temperature and lowering the risk of fire. Moreover, during heat dissipation, different amounts of coolant are distributed according to the temperature of different locations, ensuring effective heat dissipation while reducing power consumption. Therefore, this invention effectively overcomes the various shortcomings of existing technologies and has high industrial applicability.

[0036] The above embodiments are merely illustrative of the principles and effects of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in the present invention should still be covered by the claims of the present invention.

Claims

1. A fire-resistant charging pile structure, characterized in that, The device includes a charging pile housing (1), which has a main board area (2) and a wiring area (3) inside. An isolation area (4) is provided between the main board area (2) and the wiring area (3). The isolation area (4) is used to separate the main board area (2) and the wiring area (3). The main board area (2) and the wiring area (3) are both closed structures. The wiring area (3) is electrically connected to the charging gun through wiring terminals to output power to complete charging. Heat insulation plates (6) are installed on the sides of the isolation area (4) near the main board area (2) and the wiring area (3). Heat insulation layers (7) are provided inside the heat insulation plates (6). The isolation zone (4) is equipped with an active heat dissipation mechanism (8), which is used to actively dissipate heat from the motherboard area (2) and the wiring area (3). The active heat dissipation mechanism (8) includes a heat sink (81) installed on the outer wall of the isolation zone (4). The motherboard area (2) and the wiring area (3) are provided with an upper conductive port (82) and a lower conductive port (83) at their tops. Heat dissipation components (84) are installed inside the motherboard area (2) and the wiring area (3). The two heat dissipation components (84) are respectively connected to the upper conductive port (82) and the lower conductive port (83). The motherboard area (2) and the wiring area (3) are equipped with adjustment components (85) for adjusting the heat dissipation component (84). The heat dissipation box (81) is equipped with a micro pump (86). The output end of the micro pump (86) is connected to a three-way pipe (87). The other two ports of the three-way pipe (87) are connected to the upper guide port (82) and the lower guide port (83) respectively, so that the coolant in the heat dissipation box (81) can be pumped into the heat dissipation component (84) through the micro pump (86) to actively dissipate heat from the motherboard area (2) and the wiring area (3).

2. The fire-resistant charging pile structure according to claim 1, characterized in that, The heat dissipation assembly (84) includes a hollow base (841), and a plurality of downwardly inclined heat dissipation fins (842) are conductively connected to the outer wall of the hollow base (841). The heat dissipation fins (842) have a hollow structure inside. Adjacent heat dissipation fins (842) are connected by connecting pipes (843). The top of the heat dissipation fins (842) located at the outer end is conductively connected to a return pipe (844). The end of the return pipe (844) is conductively connected to the heat dissipation box (81) for re-introducing the evaporated coolant into the heat dissipation box (81).

3. The fire-resistant charging pile structure according to claim 2, characterized in that, The angle between the heat dissipation fins (842) and the horizontal direction is 45 degrees.

4. The fire-resistant charging pile structure according to claim 2, characterized in that, The heat dissipation fins (842) and the hollow base (841) are connected by a ball joint, and the ends of the heat dissipation fins (842) are connected by a connecting plate (845). The adjustment assembly (85) includes an electric push rod (851) mounted on the connecting plate (845), and the electric push rod (851) is used to push the heat dissipation fins (842) to reciprocate.

5. The fire-resistant charging pile structure according to claim 4, characterized in that, The electric push rod (851) includes a fixed section (852) and a movable section (853). A hollow sleeve (854) is fitted onto the surface of the fixed section (852). An annular push plate (855) is connected to one end of the movable section (853) near the fixed section (852) via a connecting rod (857). The annular push plate (855) matches the inner wall of the hollow sleeve (854). A plurality of flow guide hoses (856) are connected to the end of the hollow sleeve (854) away from the annular push plate (855) so that when the movable section (853) moves relative to the fixed section (852), the air inside the hollow sleeve (854) is squeezed by the annular push plate (855) for heat dissipation.

6. The fire-resistant charging pile structure according to claim 5, characterized in that, The end of the flow guide hose (856) is connected to a hollow ball (858), and the surface of the hollow ball (858) is provided with a plurality of through holes (859) to discharge airflow from different directions.

7. The fire-resistant charging pile structure according to claim 1, characterized in that, Electronic valves (871) are installed at both output ends of the three-way pipe (87). Temperature sensors (872) are installed inside the main board area (2) and the wiring area (3). A controller (873) is installed outside the heat sink (81). The controller (873) is electrically connected to the temperature sensor (872) and the electronic valve (871) respectively, and is used to adjust the opening degree of the electronic valve (871) according to the temperature information detected by the temperature sensor (872).

8. The fire-resistant charging pile structure according to claim 7, characterized in that, A smoke sensor (5) is also installed inside the motherboard area (2) and the wiring area (3). The smoke sensor (5) is electrically connected to the controller (873). When the smoke sensor (5) detects smoke, the controller (873) sends an alarm message to the outside.

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