Background
With the requirement of energy conservation and environmental protection, new energy automobiles are more and more popular. The main power source of new energy automobile is the electric energy, fills electric pile and is the necessary supporting facility of electric automobile. The existing charging pile on the market has the problems of poor or uneven heat dissipation effect, and the internal problem of the box body basically reaches more than 150 ℃ during operation, so that the conditions of accelerated aging of internal components, insufficient charging and large noise are caused.
Therefore, the interior of the charging pile needs to be timely radiated, if the prior patent application No. is CN201910352451.4, an aluminum shell for the charging pile convenient for radiating heat for a new energy automobile is disclosed, and comprises an aluminum charging pile shell, a button and a control panel are arranged on the front end surface of the aluminum charging pile shell, the control panel is arranged above the button, a connecting pipe is arranged below one side of the aluminum charging pile shell, a charging gun is arranged at one end of the connecting pipe, a winding pipe column is arranged in the middle of one side of the aluminum charging pile shell, a cold air inlet is arranged below the winding pipe column, a rain shelter A is arranged outside the cold air inlet, a hot air outlet is arranged above the other side of the aluminum charging pile shell, a rain shelter B is arranged outside the hot air outlet, an installation base is arranged below the aluminum charging pile shell, and eight installation holes are formed in the installation base, the bottom surface that aluminium system fills electric pile shell is provided with the radiating groove.
In the above-mentioned structure, cold wind gets into the inside of aluminium system charging pile shell through the cold wind entry and takes away the heat, and hot-blast after the circulation is taken away through hot air exitus, and the heat that the aluminium system charging pile shell during operation produced is derived to pure copper base, utilizes the work heat dissipation of heat dissipation fan, utilizes the thermovent for the air current further improves the radiating efficiency. Because dispel the heat through cold wind mouth, thermovent and heat dissipation fan, it is not in sealing state to lead to filling electric pile inside, leads to water to get into in the casing from cold wind entry and thermovent easily, leads to filling the internal components and parts of electric pile impaired. Therefore, a casing is sealed and can waterproof fill electric pile, and can also guarantee its inside heat dissipation demand to improve the life who fills electric pile.
Disclosure of Invention
The invention aims to provide a new energy automobile charging pile, which is characterized in that a shell is isolated from the outside, water is prevented from entering the shell, the interior of the shell can be cooled, and the damage of internal components caused by overhigh temperature in the shell is avoided.
The invention discloses a new energy automobile charging pile, which adopts the technical scheme that:
a new energy automobile charging pile comprises a shell, a controller, a charging module and a charging gun, wherein the charging module and the controller are arranged inside the shell, the charging gun is connected with the charging module through a cable, the charging pile further comprises a heat dissipation device, the heat dissipation device comprises a heat dissipation shell, an air inlet pipe and an air outlet pipe, the heat dissipation shell is arranged outside the shell, the interior of the heat dissipation shell is divided into an air inlet cavity and an air outlet cavity through a partition plate, a plurality of through holes are formed in the top of the heat dissipation shell, the through holes are respectively communicated with the air inlet cavity and the air outlet cavity, an air inlet and an air outlet are formed in the surface of the shell, the air inlet cavity is communicated with the air inlet through an air inlet pipe, an exhaust fan is arranged in the air inlet cavity, the air outlet cavity is communicated with the air outlet through the air outlet pipe, an exhaust fan is, be equipped with the water sensor in the recess, the inside two closing means that are equipped with of casing, closing means includes baffle and push rod motor, the baffle sets up in air intake and air outlet one side, baffle and push rod motor fixed connection, the baffle can move towards air intake and air outlet through the push rod motor, thereby the baffle can seal air intake and air outlet, air exhauster, exhaust fan, water sensor and push rod motor all are connected with the controller electricity.
Preferably, the air inlet is located at the lower end of the shell, and the air outlet is located at the upper end of the shell.
Preferably, the groove is of a V-shaped or U-shaped structure, and the water sensor is arranged at the bottommost part of the groove.
As a preferred scheme, the top of the partition plate extends out of the heat dissipation shell, and one end of the partition plate extending out of the heat dissipation shell plays a role in blocking the upper portions of the air inlet cavity and the air outlet cavity.
Preferably, a rain shade is arranged above the heat dissipation shell and fixedly connected with the upper end of the partition plate.
As the preferred scheme, the rain shade is of an adult-shaped structure, the center of the rain shade is fixedly connected with the upper end of the partition plate, and two ends of the rain shade are fixedly connected with the edge of the heat dissipation shell.
Preferably, a placing groove for placing the charging gun is formed in the shell, and the placing groove is communicated with the side face of the shell.
Preferably, the side face of the shell is provided with a winding post for accommodating a cable, and the winding post and the placing groove are located on the same side.
As the preferred scheme, the air inlet cavity is internally provided with a filter screen, and the filter screen corresponds to the through holes in the air inlet cavity.
The new energy automobile charging pile disclosed by the invention has the beneficial effects that: the heat dissipation device is arranged outside the shell, the shell is communicated with the air inlet cavity of the heat dissipation shell through the air inlet pipe of the heat dissipation device, and the shell is communicated with the air outlet cavity of the heat dissipation shell through the air outlet pipe of the heat dissipation device. An exhaust fan is arranged in the air inlet cavity, external air is sucked into the air inlet cavity through the through holes in the surface of the radiating shell by the exhaust fan and then flows into the shell through an air inlet pipeline, and the internal part of the shell is radiated and cooled by the external air; meanwhile, the exhaust fan in the air outlet cavity is used for sucking the gas with heat in the shell into the air outlet pipe, and then the gas is discharged to the outside through the through hole of the air outlet cavity. Utilize heat abstractor to carry out gas circulation to casing inside, take the inside heat area of casing, play the heat dissipation purpose, improve the life of the inside components and parts of casing to avoid seting up the thermovent on the casing, lead to will rainwater or domestic water to enter into the casing from the thermovent inside, cause the damage to inside components and parts. The air inlet pipe and the air outlet pipe are respectively provided with a groove structure at one end close to the heat dissipation shell, and a water sensor is arranged in each groove and electrically connected with the controller. When the heat dissipation shell will rivers when going into, advance to go into in the air-supply line or the recess in the play tuber pipe, water sensor in the recess detects there is rivers to flow into the air-supply line or go out the tuber pipe when, give the controller with signal feedback, the promotion motor through controller control closing means carries out work, the push rod motor is with baffle air intake or air outlet one side towards the casing, utilize the baffle to seal air intake or air outlet, thereby carry out the separation with casing and air-supply line or play tuber pipe, prevent that the water in air-supply line or the play tuber pipe from flowing into the casing, cause the damage to casing internal components and parts, the waterproof function of casing has further been strengthened, the life who fills electric pile has been improved.
Detailed Description
The invention will be further elucidated and described with reference to the embodiments and drawings of the specification:
referring to fig. 1 and 2, a charging pile for a new energy vehicle includes a housing 10, a charging module 11, a controller 12, a charging gun 20, and a heat dissipation device 30.
The charging module 11 and the controller 12 are both disposed inside the housing 10, and the charging gun 20 is assembled with the housing 10 as a whole through a cable 21. Inside standing groove 13 that is used for placing rifle 20 charges that is equipped with of casing 10, standing groove 13 and casing 10 side intercommunication, when people are not charging, can place rifle 20 that charges in standing groove 13, prevent that rifle 20 from receiving the damage, and be equipped with the wrapping post 14 that is used for accomodating cable 21 in the casing 10 side, wrapping post 14 and standing groove 13 are located same one side, people can twine cable 21 on wrapping post 14, also accomodate cable 21 neatly, make and fill electric pile outward appearance more.
Referring to fig. 2, the heat dissipation device 30 includes a heat dissipation housing 31, an air inlet pipe 32 and an air outlet pipe 33. The heat dissipation shell 31 is arranged outside the shell 10, the inside of the heat dissipation shell 31 is divided into an air inlet cavity 311 and an air outlet cavity 312 by a partition plate 34, the heat dissipation shell 31 is divided into the air inlet cavity 311 and the air outlet cavity 312 by the partition plate 34, the surface of the heat dissipation shell 31 is provided with a plurality of through holes 313, and the through holes 313 are respectively communicated with the air inlet cavity 311 and the air outlet cavity 312.
In this embodiment, the heat dissipation housing 31 is disposed on the top of the casing 10, so as to prevent the heat dissipation housing 31 from being corroded when water is accumulated on the ground. One can place the heat dissipation housing 31 elsewhere as the case may be.
An air inlet 16 and an air outlet 15 are formed in the surface of the shell 10, an air inlet cavity 311 is communicated with the air inlet 16 through an air inlet pipe, an exhaust fan 35 is arranged in the air inlet cavity 311, the other end of an air inlet pipe 32 is communicated with the air inlet 16, an air outlet cavity 312 is communicated with the air outlet 15 through an air outlet pipe 33, an exhaust fan 36 is arranged in the air outlet cavity 312, and the exhaust fan 35 and the exhaust fan 36 are both electrically connected with the controller 12.
The external air is sucked into the air inlet cavity 311 through the through hole 313 on the surface of the heat dissipation shell 31 by the exhaust fan 35, and then flows into the shell 10 through the air inlet pipe 32, and the inside of the shell 10 is cooled by the external air; meanwhile, the exhaust fan 36 in the air outlet chamber 312 is used to suck the air with heat inside the casing 10 into the air outlet pipe, and then the air is discharged to the outside through the through hole 313 of the air outlet chamber 312.
Referring to fig. 2, the heat dissipation device 30 circulates the gas inside the casing 10 to carry the heat inside the casing 10, so as to dissipate the heat, improve the service life of the components inside the casing 10, and prevent rainwater or domestic water from entering the casing 10 through the heat dissipation port to damage the components inside the casing 10 due to the heat dissipation port formed in the casing 10.
The filter screen 37 is arranged in the air inlet cavity 311, the filter screen 37 corresponds to the through hole 313 in the air inlet cavity 311, and the filter screen 37 is used for filtering air entering the air inlet cavity 311, so that dust is prevented from entering the air inlet pipe 32, and the dustproof effect in the charging pile is further improved.
And still be equipped with dry layer 38 in air inlet chamber 311 is inside, and dry layer 38 is located filter screen 37 below, and the air rethread dry layer 38 after will passing through filter screen 37 to absorb the moisture in the air, avoid wanting during steam enters into casing 10, cause the corruption to the inside components and parts of casing 10. The dry layer 38 is composed of calcium chloride, molecular sieve or silica gel.
The air inlet 16 is located at the lower end of the housing 10, the air outlet 15 is located at the upper end of the housing 10, and when the temperature inside the housing 10 rises, the air is heated and rises, so that the heat inside the housing 10 is mainly accumulated at the upper end of the housing 10, and the air outlet 15 is located at the upper end of the housing 10, so that the hot air can be sucked out of the housing 10 more quickly; the air inlet 16 is disposed at the lower end of the housing 10, so that air entering the housing 10 can be taken away by heat from the surfaces of the components and the charging module 11 inside the housing 10, and then the air is sucked out through the air outlet 15 to the upper end of the housing 10.
The air inlet pipe 32 and the air outlet pipe 33 are both provided with a groove 321 structure at one end close to the heat dissipation shell 31, a water sensor 322 is arranged in the groove 321, the groove 321 is of a V-shaped or U-shaped structure, and the water sensor 322 is arranged at the bottommost part of the groove 321, so that whether water exists in the groove 321 can be detected more quickly by the water sensor 322.
Two sealing devices 40 are arranged inside the casing 10, each sealing device 40 comprises a baffle plate 41 and a push rod motor 42, the baffle plates 41 are arranged on one sides of the air inlet 16 and the air outlet 15, the surface area of each baffle plate 41 is larger than the caliber of one side of the air inlet 16 or the air outlet 15, the baffle plates 41 are fixedly connected with the push rod motors 42, the baffle plates 41 can move towards the air inlet 16 and the air outlet 15 through the push rod motors 42, therefore, the air inlet 16 and the air outlet 15 can be sealed by the baffle plates 41, and the water sensor 322 and the push rod motors 42 are electrically connected with the controller.
When water flows into the heat dissipation shell 31, the water flows into the groove 321 in the air inlet pipe 32 or the air outlet pipe 33, when the water sensor 322 in the groove 321 detects that the water flows into the air inlet pipe 32 or the air outlet pipe 33, a signal is fed back to the controller 12, the controller 12 controls the driving motor of the sealing device 40 to work, the push rod motor 42 enables the baffle plate 41 to face one side of the air inlet 16 or the air outlet 15 of the shell 10, the baffle plate 41 is used for sealing the air inlet 16 or the air outlet 15, so that the shell 10 is separated from the air inlet pipe 32 or the air outlet pipe 33, the water in the air inlet pipe 32 or the air outlet pipe 33 is prevented from flowing into the shell 10, internal components of the shell 10 are damaged, the waterproof function of the shell 10 is further enhanced, and the service life of the charging pile is prolonged.
The top of the partition 34 extends out of the heat dissipation casing 31, and one end of the partition 34 extending out of the heat dissipation casing 31 plays a role in blocking the air inlet cavity 311 and the air outlet cavity 312. The space above the air inlet cavity 311 and the air outlet cavity 312 is separated by the partition plate 34, so that the condition of turbulent flow is prevented.
Referring to fig. 1 and 2, a rain shade 39 is disposed above the heat dissipating casing 31, the rain shade 39 is fixedly connected to the upper end of the partition 34, the rain shade 39 has a herringbone structure, the center of the rain shade 39 is fixedly connected to the upper end of the partition 34, and two ends of the rain shade 39 are fixedly connected to the edge of the heat dissipating casing 31.
The rain shade 39 is in a herringbone structure, so that the through hole 313 of the heat dissipation shell 31 is shielded, rainwater is prevented from flowing into the heat dissipation shell 31 from the through hole 313, and the function of keeping off the rain is achieved.
In the above scheme, the controller 12 is a single chip microcomputer, the controller is 80C51, the water sensor 322 is based on the liquid conduction principle, the electrode is used for detecting whether water exists, the sensor is converted into dry contact output, and the water sensor is the prior art and adopts EG-SJP12 contact type water sensor 322 produced by Itgers digital technology Limited.
The invention provides a charging pile for a new energy automobile, wherein a heat dissipation device is arranged outside a shell, the shell is communicated with an air inlet cavity of a heat dissipation shell through an air inlet pipe of the heat dissipation device, and the shell is communicated with an air outlet cavity of the heat dissipation shell through an air outlet pipe of the heat dissipation device. An exhaust fan is arranged in the air inlet cavity, external air is sucked into the air inlet cavity through the through holes in the surface of the radiating shell by the exhaust fan and then flows into the shell through an air inlet pipeline, and the internal part of the shell is radiated and cooled by the external air; meanwhile, the exhaust fan in the air outlet cavity is used for sucking the gas with heat in the shell into the air outlet pipe, and then the gas is discharged to the outside through the through hole of the air outlet cavity. Utilize heat abstractor to carry out gas circulation to casing inside, take the inside heat area of casing, play the heat dissipation purpose, improve the life of the inside components and parts of casing to avoid seting up the thermovent on the casing, lead to will rainwater or domestic water to enter into the casing from the thermovent inside, cause the damage to inside components and parts. The air inlet pipe and the air outlet pipe are respectively provided with a groove structure at one end close to the heat dissipation shell, and a water sensor is arranged in each groove and electrically connected with the controller. When the heat dissipation shell will rivers when going into, advance to go into in the air-supply line or the recess in the play tuber pipe, water sensor in the recess detects there is rivers to flow into the air-supply line or go out the tuber pipe when, give the controller with signal feedback, the promotion motor through controller control closing means carries out work, the push rod motor is with baffle air intake or air outlet one side towards the casing, utilize the baffle to seal air intake or air outlet, thereby carry out the separation with casing and air-supply line or play tuber pipe, prevent that the water in air-supply line or the play tuber pipe from flowing into the casing, cause the damage to casing internal components and parts, the waterproof function of casing has further been strengthened, the life who fills electric pile has been improved.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.