A battery replacement charging pile

Abstract

The present invention discloses a battery-exchange charging pile, comprising a charging pile shell, a top cover mechanism, a pair of liquid cooling mechanisms and a trigger mechanism; a charging cavity with an upward opening is arranged in the charging pile shell, at least three lithium batteries connected through a circuit are vertically stacked in the charging cavity, an airtight cavity is arranged below the charging cavity, a pair of liquid cooling mechanisms are arranged in opposite end walls on both sides of the charging cavity, the airtight cavity is connected to the liquid cooling mechanism, the top cover mechanism is arranged at the upper opening of the charging cavity, the trigger mechanism is arranged above the liquid cooling mechanism and connected to the top cover mechanism, and a swinging plate is arranged so that the molecular flow rate of the cooling liquid that has been stationary for a long time is increased under the dual effects of the swinging plate and the gas introduced into the airtight cavity, so that the cooling liquid can fully absorb the heat emitted by the charging cavity, thereby improving the heat dissipation effect.

Description

Technical Field

[0001] The present invention relates to the field of charging piles, and in particular to a battery-exchange charging pile. Background Art

[0002] The function of a charging pile is similar to that of a gas pump in a gas station. It can be fixed on the ground or on a wall and installed in public buildings (public buildings, shopping malls, public parking lots, etc.) and residential parking lots or charging stations. It can charge various models of electric vehicles or electric cars according to different voltage levels.

[0003] The heat dissipation channel of the existing charging pile is generally set at the bottom of the charging pile. Since the heat generated by the charging element flows upward, the temperature of the electronic components on the upper part of the charging pile will rise, resulting in poor heat dissipation effect of the charging pile. The heat generated by the charging pile cannot be quickly discharged, resulting in local high temperature, which affects the service life of the charging pile. Therefore, the traditional heat dissipation equipment has poor heat dissipation effect.

[0004] At the same time, traditional charging piles use cable connection charging to transmit power. This method makes traditional charging piles less flexible and unable to adjust their position in real time according to user needs, so they are not very practical. Summary of the invention

[0005] The object of the present invention is to provide a battery-swap charging pile to solve the problems of poor heat dissipation effect of traditional heat dissipation equipment and low installation flexibility of traditional charging piles mentioned in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a battery-swap charging pile, comprising a charging pile shell, a top cover mechanism, a pair of liquid cooling mechanisms and a trigger mechanism; a charging cavity with an upward opening is arranged in the charging pile shell, at least three lithium batteries connected through a circuit are vertically stacked in the charging cavity, an airtight cavity is arranged below the charging cavity, a pair of liquid cooling mechanisms are arranged in opposite end walls on both sides of the charging cavity, the airtight cavity is connected to the liquid cooling mechanism, the top cover mechanism is arranged at the upper opening of the charging cavity, the trigger mechanism is arranged above the liquid cooling mechanism and is connected to the top cover mechanism; the top cover mechanism is used to confine the lithium battery in the internal space of the charging cavity, the liquid cooling mechanism dissipates the heat inside the charging cavity to the outside through liquid, and the trigger mechanism vertically pops out the top cover mechanism when the temperature in the charging cavity is too high.

[0007] Preferably, the top cover mechanism includes an electromagnet adsorption sheet, a top cover, a heat dissipation window and a heat dissipation device; the top cover is horizontally placed on the upper end surface of the charging pile housing, and the electromagnet adsorption sheet is fixed to the upper end surface of the electromagnet adsorption sheet; the electromagnet adsorption sheet adsorbs the top cover after being energized, thereby limiting the horizontal displacement of the electromagnet adsorption sheet; the heat dissipation window is arranged in the middle of the top cover and penetrates the top cover, so that the charging chamber is connected to the external gas, and the heat dissipation device quickly discharges the gas in the charging chamber by creating a pressure difference.

[0008] Preferably, the heat dissipation device includes a heat dissipation fan, and the heat dissipation fan is driven by electricity from a lithium battery.

[0009] Preferably, the liquid cooling mechanism includes an elastic swinging plate, a connecting hose, a liquid cooling chamber and a connecting channel; the liquid cooling chamber is arranged in two opposite end walls of the charging chamber, the elastic swinging plate is only fixed on the lower end wall of the liquid cooling chamber, a gas guide chamber is arranged in the elastic swinging plate, the connecting hose is fixedly installed on the upper end of the elastic swinging plate, the end of the connecting hose away from the elastic swinging plate is connected to the trigger mechanism, and the connecting hose connects the gas guide chamber with the ejection device; the connecting channel is arranged at the connecting point between the airtight chamber and the liquid cooling chamber, and the connecting channel is used to control the on-off of the gas in the airtight chamber into the liquid cooling chamber and the gas guide chamber.

[0010] Preferably, the connecting channel includes an exchange channel, a hydrophobic breathable membrane pressure valve and an air guide channel; the exchange channel connects the airtight cavity and the bottom of the liquid cooling cavity, the hydrophobic breathable membrane pressure valve is fixedly installed in the exchange channel, the hydrophobic breathable membrane pressure valve seals the airtight cavity and the liquid cooling cavity, one end of the air guide channel is connected to the hydrophobic breathable membrane pressure valve, and the other end of the air guide channel is connected to the bottom of the gas guide cavity.

[0011] Preferably, the trigger mechanism includes a vertical sliding plate, a trigger chamber, an elastic spring and a limiting device; the trigger chamber is arranged directly above the liquid cooling chamber and has an opening facing upward, the vertical sliding plate is vertically slidingly arranged in the trigger chamber, the connection between the vertical sliding plate and the trigger chamber is sealed, one end of the vertical sliding plate outside the trigger chamber is fixedly connected to the top cover mechanism, and the two ends of the elastic spring are respectively abutted against the lower end surface of the vertical sliding plate and the lower end wall of the trigger chamber; the limiting device is arranged in a vertical side end wall of the trigger chamber, the limiting device limits the vertical sliding of the vertical sliding plate, and the liquid cannot enter the airtight chamber through the liquid cooling chamber.

[0012] Preferably, the limiting device includes a limiting spring and a limiting block; the limiting block is horizontally slidably arranged in a vertical side end wall of the trigger cavity, one end of the limiting block extends to the trigger cavity and extends into the vertical sliding plate, and slides in the end wall of the trigger cavity to form a limiting cavity, and the two ends of the limiting spring are respectively abutted against one end of the limiting block located in the limiting cavity and the end of the limiting cavity away from the opening; the upper and lower sides of the limiting block extending into the trigger cavity are inclined surfaces.

[0013] Preferably, there are a plurality of gaps on the elastic swinging plate, and the liquid in the liquid cooling chamber can be exchanged with the liquid in the gas guiding chamber through the gaps.

[0014] Preferably, three charging output interfaces are vertically arranged in parallel on the outer end surface of the charging pile housing, and the charging output interfaces are used to convert lithium battery power to an external electric vehicle.

[0015] Preferably, the end wall of the liquid cooling chamber away from the charging chamber and the end wall of the liquid cooling chamber close to the charging chamber are both provided with conductive sheets, the two conductive sheets are respectively connected to the positive and negative poles of the electromagnet adsorption sheet circuit, and the elastic swing sheet is made of conductive material.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. By adding coolant in the liquid cooling chamber, the heat in the charging chamber can be discharged in time through the coolant in the liquid cooling chamber, thereby improving the heat discharge in the charging chamber.

[0018] 2. Set the heat dissipation port above the charging chamber, use the cooling fan to bring out the heat in the charging chamber in real time, and use the coolant for double heat dissipation to achieve better heat dissipation effect.

[0019] 3. By setting the swing plate, the coolant that has been stationary for a long time can increase the molecular flow rate inside the coolant under the dual effects of the swing plate and the gas introduced into the airtight cavity, so that the coolant can fully absorb the heat emitted by the charging cavity and improve the heat dissipation effect.

[0020] 4. When the temperature of the charging chamber continues to rise, the amount of gas entering the liquid cooling chamber from the airtight chamber increases, causing the air pressure at the bottom of the trigger chamber to increase. At the same time, the end wall of the charging chamber undergoes elastic deformation outward to compress the swing plate and abut against the outer end wall of the liquid cooling chamber, thereby causing the electromagnet adsorption plate to short-circuit and lose its magnetism. Under the dual action of the air pressure at the bottom of the trigger chamber and the elastic spring, the top cover is lifted up, allowing the upper part of the charging chamber to completely exchange gas with the outside, further improving the heat dissipation effect.

[0021] 5. By placing a lithium battery in the charging chamber and using the lithium battery for charging operations, the original cable conductive charging method is changed, so that the charging pile does not need to be installed in a fixed location, and the installation location selection has a higher degree of freedom, which improves the user's convenience. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the three-dimensional structure of the first embodiment of the present invention;

[0023] Figure 2 for Figure 1 A cross-sectional view of

[0024] Figure 3 for Figure 2 A magnified view of the structure at center A;

[0025] Figure 4 for Figure 2 A magnified view of the structure at B in the middle;

[0026] Figure 5 for Figure 3 A magnified view of the structure at C in the middle;

[0027] Figure 6 for Figure 2 Schematic diagram of the structure after installing the lithium battery;

[0028] Figure 7 This is a flow chart of the temperature control method according to the second embodiment of the present invention.

[0029] In the figure, there are a charging pile shell 10; a charging output interface 11; an electromagnet adsorption sheet 12; a charging chamber 13; an airtight chamber 14; a top cover 20; a vertical sliding plate 21; a heat dissipation window 22; a heat dissipation fan 23; an elastic swing sheet 30; a gas guide chamber 31; a connecting hose 32; a liquid cooling chamber 33; a trigger chamber 40; an elastic spring 41; a limit spring 42; a limit chamber 43; a limit block 44; an exchange channel 50; a hydrophobic and breathable membrane pressure valve 51; an air guide channel 52; and a lithium battery 60. DETAILED DESCRIPTION

[0030] Embodiment 1:

[0031] See also Figure 1-6 The charging pile of the embodiment of the present invention is a battery-swap charging pile, which includes a charging pile shell 10, a top cover mechanism, a pair of liquid cooling mechanisms and a trigger mechanism. A charging cavity 13 with an upward opening is provided in the charging pile shell 10, and at least three lithium batteries 60 connected by a circuit are vertically stacked in the charging cavity 13. By placing the lithium battery 60 in the charging cavity 13 and using the lithium battery 60 for charging operations, the original charging method of cable conduction is changed, so that the charging pile does not need to be installed in a fixed location, and the freedom of installation position selection is higher, which improves the convenience of use for users. Three charging output interfaces 11 are vertically arranged in parallel on the external end surface of the charging pile shell 10, and the charging output interface 11 is used to convert the electrical energy of the lithium battery 60 to an external electric vehicle.

[0032] The top cover mechanism is arranged at the upper opening of the charging chamber 13, and the top cover mechanism is used to confine the lithium battery 60 in the internal space of the charging chamber 13. The top cover mechanism includes an electromagnet adsorption sheet 12, a top cover 20, a heat dissipation window 22 and a heat dissipation device. The top cover 20 is horizontally placed on the upper end surface of the charging pile housing 10, and the electromagnet adsorption sheet 12 is fixed on the upper end surface of the charging pile housing 10. After the electromagnet adsorption sheet 12 is energized, it adsorbs the top cover 20 to limit the vertical displacement of the top cover 20. The heat dissipation window 22 is arranged in the middle of the top cover 20 and penetrates the top cover 20 to connect the charging chamber 13 with the external air. The heat dissipation device quickly discharges the gas in the charging chamber 13 by creating a pressure difference. The heat dissipation device includes a heat dissipation fan 23, and the heat dissipation fan 23 is driven by the electricity of the lithium battery 60. The heat dissipation fan 23 is always in a working state after being energized.

[0033] An airtight cavity 14 is provided below the charging cavity 13. A pair of liquid cooling mechanisms are provided in opposite end walls on both sides of the charging cavity 13. The airtight cavity 14 is connected to the liquid cooling mechanism. The trigger mechanism is provided above the liquid cooling mechanism and connected to the top cover mechanism. The liquid cooling mechanism dissipates the internal heat of the charging cavity 13 to the outside through liquid. When the temperature in the charging cavity 13 is too high, the trigger mechanism pops up the top cover mechanism vertically, so that the upper part of the charging cavity 13 can completely exchange gas with the outside, thereby further improving the heat dissipation effect. The liquid cooling mechanism includes an elastic swinging piece 30, a connecting hose 32, a liquid cooling chamber 33 and a connecting channel. The liquid cooling chamber 33 is arranged in two opposite end walls of the charging chamber 13. The elastic swinging piece 30 is only fixed on the lower end wall of the liquid cooling chamber 33. A gas guide chamber 31 is arranged in the elastic swinging piece 30. There are a plurality of gaps on the elastic swinging piece 30. The liquid in the liquid cooling chamber 33 can be exchanged with the liquid in the gas guide chamber 31 through the gaps. The end wall of the liquid cooling chamber 33 away from the charging chamber 13 and the end wall of the liquid cooling chamber 33 close to the charging chamber 13 are both provided with conductive sheets. The two conductive sheets are respectively connected to the positive and negative poles of the circuit of the electromagnet adsorption sheet 12. The elastic swinging piece 30 is made of conductive material. The two conductive sheets on the liquid cooling chamber 33 are electrically connected through the elastic swinging piece 30 to form a closed loop, which short-circuits the positive and negative poles of the power supply circuit of the electromagnet adsorption sheet 12, so that the electromagnet adsorption sheet 12 is powered off. The connecting hose 32 is fixedly installed on the upper end of the elastic swing piece 30, and the end of the connecting hose 32 away from the elastic swing piece 30 is connected to the trigger mechanism. The connecting hose 32 connects the gas guide chamber 31 with the trigger mechanism. The connecting channel is arranged at the connection point between the airtight chamber 14 and the liquid cooling chamber 33. The connecting channel is used to control the on-off of the gas in the airtight chamber 14 into the liquid cooling chamber 33 and the gas guide chamber 31. The connecting channel includes an exchange channel 50, a hydrophobic breathable membrane pressure valve 51 and an air guide channel 52. The exchange channel 50 connects the airtight chamber 14 with the bottom of the liquid cooling chamber 33. The hydrophobic breathable membrane pressure valve 51 is provided with a hydrophobic breathable membrane to prevent liquid from passing through. The hydrophobic breathable membrane pressure valve 51 is fixedly installed in the exchange channel 50. The hydrophobic breathable membrane pressure valve 51 seals the airtight chamber 14 and the liquid cooling chamber 33. One end of the air guide channel 52 is connected to the hydrophobic breathable membrane pressure valve 51, and the other end of the air guide channel 52 is connected to the bottom of the gas guide chamber 31.

[0034] The trigger mechanism includes a vertical sliding plate 21, a trigger chamber 40, an elastic spring 41 and a limit device. The trigger chamber 40 is arranged directly above the liquid cooling chamber 33 and has an opening facing upward. The vertical sliding plate 21 is vertically slidably arranged in the trigger chamber 40. The connection between the vertical sliding plate 21 and the trigger chamber 40 is sealed. One end of the vertical sliding plate 21 located outside the trigger chamber 40 is fixedly connected to the top cover 20. The two ends of the elastic spring 41 are respectively in contact with the lower end surface of the vertical sliding plate 21 and the lower end wall of the trigger chamber 40. The limit device is arranged in a vertical side end wall of the trigger chamber 40. The limit device limits the vertical sliding of the vertical sliding plate 21. The limiting device includes a limiting spring 42 and a limiting block 44. The limiting block 44 is horizontally slidably arranged in a vertical side end wall of the trigger cavity 40. One end of the limiting block 44 extends to the trigger cavity 40 and extends into the vertical sliding plate 21. It slides in the end wall of the trigger cavity 40 to form a limiting cavity 43. The two ends of the limiting spring 42 are respectively abutted against one end of the limiting block 44 located in the limiting cavity 43 and the end of the limiting cavity 43 away from the opening. The upper and lower sides of the limiting block 44 extending into the trigger cavity 40 are inclined surfaces.

[0035] Before the charging pile is used, the lithium batteries 60 are stacked vertically in parallel in the charging chamber 13, the liquid cooling chamber 33 is filled with refrigerant liquid, which is an insulating liquid, and the airtight chamber 14 contains a large amount of compressed gas. The electromagnet adsorption sheet 12 magnetically adsorbs the top cover 20, and the cooling fan 23 and the lithium battery 60 are energized. There is no gas in the gas guide chamber 31. At this time, under the pressure of the liquid in the liquid cooling chamber 33, the vertical end walls of the gas guide chamber 31 fit each other.

[0036] When the charging pile is in use, the user charges the electric vehicle through the charging output interface 11, and the cooling fan 23 continues to work for heat dissipation. When the lithium battery 60 is exhausted, the staff manually cuts off the power to the electromagnet adsorption sheet 12, and then manually pulls up the top cover 20 vertically. At this time, the vertical sliding plate 21 presses the lower end inclined surface of the limit card block 44 to press the limit card block 44 into the limit cavity 43, so that the vertical sliding plate 21 releases the limit restriction of the limit card block 44, and then manually takes out the lithium battery 60 in the charging cavity 13 and replaces it with a new lithium battery 60, and then presses the top cover 20 downward to make the vertical sliding plate 21 re-engage with the limit card block 44, and then the staff manually energizes the electromagnet adsorption sheet 12, and then the user can use it normally through the charging output interface 11.

[0037] When the lithium battery 60 in the charging chamber 13 emits too much heat, the temperature in the charging chamber 13 rises, and the temperature of the liquid in the liquid cooling chamber 33 near the charging chamber 13 is higher than the temperature of the liquid far from the charging chamber 13. Part of the heat causes the temperature in the airtight chamber 14 to rise, thereby increasing the air pressure in the airtight chamber 14. When the air pressure in the airtight chamber 14 is higher than the limited air pressure of the hydrophobic breathable membrane pressure valve 51, part of the gas in the airtight chamber 14 enters the liquid cooling chamber 33 through the hydrophobic breathable membrane pressure valve 51, and the other part enters the gas guide chamber 31 through the air guide channel 52, and enters the liquid cooling chamber 3 The gas in 3 forms bubbles and floats up quickly in the liquid cooling chamber 33, thereby disturbing the liquid in the liquid cooling chamber 33, thereby accelerating the exchange of the high-temperature liquid and the low-temperature liquid in the liquid cooling chamber 33; at the same time, the gas entering the gas guide chamber 31 through the gas guide channel 52 opens the gas guide chamber 31. At this time, the vertical end walls on both sides of the gas guide chamber 31 move away from each other in an instant, thereby further disturbing the liquid in the liquid cooling chamber 33, thereby further increasing the exchange speed of the high-temperature liquid and the low-temperature liquid in the liquid cooling chamber 33, thereby playing a role in cooling the charging chamber 13. The gas entering the liquid cooling chamber 33 gradually passes through the gap on the elastic swing piece 30 and enters the trigger chamber 40 through the connecting hose 32, thereby increasing the air pressure in the trigger chamber 40. At this time, the air pressure in the trigger chamber 40 gradually increases, and the sum of the air pressure in the trigger chamber 40 and the elastic force of the elastic spring 41 is always greater than the friction force when the limit block 44 abuts against the vertical sliding plate 21, but less than the friction force when the limit block 44 abuts against the vertical sliding plate 21 plus the adsorption force of the electromagnet adsorption sheet 12. When the air pressure in the charging chamber 13 is too high, the inner wall of the charging chamber 13 is deformed outward and the elastic swing piece 30 is pushed to abut against the end wall of one side of the liquid cooling chamber 33 away from the charging chamber 13, causing the positive and negative poles of the electromagnet adsorption sheet 12 to be short-circuited instantly. At this time, the electromagnet adsorption sheet 12 is powered off, and the electromagnet adsorption sheet 12 loses its magnetic adsorption force on the top cover 20. At this time, the sum of the air pressure in the trigger chamber 40 and the elastic force of the elastic spring 41 is always greater than the friction force when the limit block 44 abuts against the vertical sliding plate 21. At this time, the vertical sliding plate 21 gradually moves upward, and the limit block 44 is pressed into the limit chamber 43, so that the vertical sliding plate 21 is freed from the restriction. At this time, the vertical sliding plate 21 bounces upward under the action of the pressure in the trigger chamber 40 and the elastic force of the elastic spring 41, so that the opening above the charging chamber 13 is fully opened. At this time, the heat dissipated upward in the charging chamber 13 is further dissipated, further completing the cooling operation in the charging chamber 13.

[0038] When the heat dissipation is completed, the maintenance personnel presses the top cover 20 downward, thereby pressing the vertical sliding plate 21 downward. At this time, the vertical sliding plate 21 is re-engaged with the limit block 44 downward. Since the temperature in the airtight chamber 14 returns to normal at this time, and since the liquid pressure in the liquid cooling chamber 33 is greater than the gas pressure in the airtight chamber 14, the gas pressed into the liquid cooling chamber 33 moves toward the direction of the airtight chamber 14, passes through the gas guide chamber 31 and enters the hydrophobic breathable membrane pressure valve 51 via the air guide channel 52. Since the hydrophobic breathable membrane pressure valve 51 isolates the liquid from entering, the gas is re-pressed into the airtight chamber 14 for storage.

[0039] This embodiment has the following technical effects: 1. By adding coolant to the liquid cooling chamber, the heat in the charging chamber is discharged in time through the coolant in the liquid cooling chamber, thereby improving the heat discharge in the charging chamber. 2. The heat dissipation port is set above the charging chamber, and the heat in the charging chamber is taken out in real time by the heat dissipation fan, and the coolant is used for double heat dissipation, so that the heat dissipation effect is better. 3. By setting a swing plate, the coolant that has been stationary for a long time increases the molecular flow rate inside the coolant under the dual action of the swing plate and the gas introduced into the airtight chamber, so that the coolant can fully absorb the heat emitted by the charging chamber, thereby improving the heat dissipation effect. 4. When the temperature of the charging chamber continues to rise, the amount of gas entering the liquid cooling chamber from the airtight chamber increases, causing the air pressure at the bottom of the trigger chamber to increase. At the same time, the end wall of the charging chamber undergoes elastic deformation to the outside, pressing the swing plate to abut against the outer end wall of the liquid cooling chamber, thereby causing the electromagnet adsorption plate to short-circuit and lose its magnetism. Under the dual action of the air pressure at the bottom of the trigger chamber and the elastic spring, the top cover is lifted up, so that the upper part of the charging chamber is completely exchanged with the outside gas, further improving the heat dissipation effect. 5. By placing a lithium battery in the charging chamber and using the lithium battery for charging operations, the original cable conductive charging method is changed, so that the charging pile does not need to be installed in a fixed location, and the installation location selection has a higher degree of freedom, which improves the user's convenience.

[0040] Embodiment 2:

[0041] Different from the first embodiment, Figure 7 As shown, this embodiment controls the temperature of the charging pile based on the Internet of Things, and specifically includes the following steps:

[0042] S1. The current temperature in the charging cavity 13 of the charging pile is detected in real time through a temperature sensor, and compared with a first temperature threshold and a second temperature threshold, wherein the second temperature threshold is greater than the first temperature threshold. The specific setting value is based on actual conditions such as seasonal weather, etc. The temperature sensors can be set to multiple groups, which are distributed on the bottom wall and side walls of the charging cavity 13.

[0043] S2. If the current temperature exceeds the first temperature threshold, it is determined whether the lithium battery 60 in the charging chamber 13 is in a working state, and the cooling fan 23 is started when the lithium battery 60 in the charging chamber 13 is in a working state. This is different from the first embodiment, that is, the cooling fan 23 in this embodiment is not always turned on to save energy, and intelligent temperature control is achieved. The rest is the same as the first embodiment, and here the cooling fan 23 is not considered to be in a working state when it is driven by the lithium battery 60; if the lithium battery 60 in the charging chamber 13 is in a non-working state, it indicates that the ambient temperature is only slightly high at this time, and the cooling fan 23 is not started.

[0044] S3. If the current temperature exceeds the second temperature threshold, determine whether the lithium battery 60 in the charging chamber 13 is in a working state, and when the lithium battery 60 in the charging chamber 13 is in a working state, open the top cover 20 on the top of the charging chamber 13 to achieve rapid cooling. The opening method is the same as that in the first embodiment, that is, mechanical temperature control. When the lithium battery 60 in the charging chamber 13 is in a non-working state, only the cooling fan 23 is started.

[0045] As described above, this embodiment solves the technical problem that the prior art temperature control of charging piles is not energy-efficient and has poor control effect by combining intelligent temperature control with mechanical temperature control.

[0046] It is to be understood that, although the present invention has been disclosed as a preferred embodiment, the above embodiment is not intended to limit the present invention. For any person skilled in the art, without departing from the scope of the technical solution of the present invention, the technical content disclosed above can be used to make many possible changes and modifications to the technical solution of the present invention, or modified into equivalent embodiments of equivalent changes. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the scope of protection of the technical solution of the present invention.

Claims

1. A battery-swap charging pile, characterized in that: It comprises a charging pile housing (10), a top cover mechanism, a pair of liquid cooling mechanisms and a trigger mechanism; A charging cavity (13) with an upward opening is arranged in the charging pile housing (10), at least three lithium batteries (60) connected via a circuit are vertically stacked in the charging cavity (13), an airtight cavity (14) is arranged below the charging cavity (13), a pair of liquid cooling mechanisms are arranged in opposite end walls on both sides of the charging cavity (13), the airtight cavity (14) is connected to the liquid cooling mechanism, a top cover mechanism is arranged at the upper opening of the charging cavity (13), and a trigger mechanism is arranged above the liquid cooling mechanism and connected to the top cover mechanism; The top cover mechanism is used to confine the lithium battery (60) in the internal space of the charging chamber (13); the liquid cooling mechanism dissipates the internal heat of the charging chamber (13) to the outside through the liquid; and the trigger mechanism pops out the top cover mechanism vertically when the temperature in the charging chamber (13) is too high; the top cover mechanism comprises an electromagnet adsorption sheet (12), a top cover (20), a heat dissipation window (22) and a heat dissipation device; the electromagnet adsorption sheet (12) adsorbs the top cover (20) after being energized, thereby limiting the vertical displacement of the top cover (20); the heat dissipation window (22) is arranged in the middle of the top cover (20) and penetrates the top cover (20), so that the charging chamber (13) is connected to the external air, and the heat dissipation device quickly discharges the gas in the charging chamber (13) by creating a pressure difference; The liquid cooling mechanism comprises an elastic swinging plate (30), a connecting hose (32), a liquid cooling chamber (33) and a connecting channel; the liquid cooling chamber (33) is arranged in two opposite end walls of the charging chamber (13); the elastic swinging plate (30) is only fixed to the lower end wall of the liquid cooling chamber (33); a gas guide chamber (31) is arranged in the elastic swinging plate (30); the connecting hose (32) is fixedly mounted on the upper end of the elastic swinging plate (30); the end of the connecting hose (32) away from the elastic swinging plate (30) is connected to the trigger mechanism; the connecting hose (32) connects the gas guide chamber (31) with the ejection device; the connecting channel is arranged at the connection point between the airtight chamber (14) and the liquid cooling chamber (33); the connecting channel is used to control the on-off of the gas in the airtight chamber (14) into the liquid cooling chamber (33) and the gas guide chamber (31); the liquid cooling chamber (3 3) Conductive sheets are provided on the end wall on the side away from the charging chamber (13) and the end wall on the side close to the charging chamber (13), and the two conductive sheets are respectively connected to the positive and negative electrodes of the circuit of the electromagnet adsorption sheet (12), and the elastic swing sheet (30) is made of a conductive material; the connecting channel includes an exchange channel (50), a hydrophobic breathable membrane pressure valve (51) and an air guide channel (52); the exchange channel (50) connects the airtight chamber (14) and the bottom of the liquid cooling chamber (33), the hydrophobic breathable membrane pressure valve (51) is fixedly installed in the exchange channel (50), the hydrophobic breathable membrane pressure valve (51) seals the airtight chamber (14) and the liquid cooling chamber (33), one end of the air guide channel (52) is connected to the hydrophobic breathable membrane pressure valve (51), and the other end of the air guide channel (52) is connected to the bottom of the gas guide chamber (31); The trigger mechanism comprises a vertical sliding plate (21), a trigger chamber (40), an elastic spring (41) and a limiting device; the trigger chamber (40) is arranged directly above the liquid cooling chamber (33) and has an opening facing upwards; the vertical sliding plate (21) is vertically slidingly arranged in the trigger chamber (40); the connection between the vertical sliding plate (21) and the trigger chamber (40) is sealed; one end of the vertical sliding plate (21) outside the trigger chamber (40) is fixedly connected to the top cover mechanism; the two ends of the elastic spring (41) are respectively in contact with the lower end surface of the vertical sliding plate (21) and the lower end wall of the trigger chamber (40); the limiting device is arranged in a vertical side end wall of the trigger chamber (40); the limiting device limits the vertical sliding of the vertical sliding plate (21), and liquid cannot enter the airtight chamber (14) through the liquid cooling chamber (33); The limiting device comprises a limiting spring (42) and a limiting block (44); the limiting block (44) is horizontally slidably arranged in a vertical side end wall of the trigger cavity (40); one end of the limiting block (44) extending into the trigger cavity (40) extends into the vertical sliding plate (21), and slides in the end wall of the trigger cavity (40) to form a limiting cavity (43); two ends of the limiting spring (42) are respectively abutted against one end of the limiting block (44) located in the limiting cavity (43) and one end of the limiting cavity (43) away from the opening.

2. A battery-swap charging pile according to claim 1, characterized in that: The heat dissipation device comprises a heat dissipation fan (23).

3. A battery-swap charging pile according to claim 1, characterized in that: The upper and lower sides of the limit block (44) extending into the trigger cavity (40) are inclined surfaces.

4. A battery-swap charging pile according to claim 1, characterized in that: The elastic swinging plate (30) has a plurality of gaps, and the liquid in the liquid cooling chamber (33) can be exchanged with the liquid in the gas guiding chamber (31) through the gaps.

5. A battery-swap charging pile according to claim 1, characterized in that: The outer end surface of the charging pile housing (10) is provided with three charging output interfaces (11) arranged vertically in parallel, and the charging output interfaces (11) are used to convert the electric energy of the lithium battery (60) to an external electric vehicle.

Images