Charging pile with heat dissipation structure

Abstract

The utility model discloses a charging pile with a heat dissipation structure, which comprises a charging box shell, a charging gun and a charging circuit module, the charging circuit module is arranged in the charging box shell, and the charging gun is arranged on a front baffle of the charging box shell. The cooling system further comprises a cooling air device, a cooling liquid device, a temperature variable-frequency control device and a fan variable-frequency control device; the cooling liquid device comprises a cooling pump, a circulating pump, a cooling pipeline and a cooling liquid box; the interior of the charging box shell is divided into a shell left cavity, a shell middle cavity and a shell right cavity through vertical partition plates, and the cooling air device is electrically connected with the fan frequency conversion control device. The cooling pump and the circulating pump are arranged in the left cavity of the shell, the cooling liquid tank is arranged in the right cavity of the shell, the cooling pipeline is arranged in the middle cavity of the shell, the two ends of the cooling pipeline are connected to the circulating pump and the cooling liquid tank respectively, and a temperature variable-frequency control device is further arranged in the left cavity of the shell and electrically connected with the circulating pump.

Description

Technical Field

[0001] The utility model relates to the technical field of charging piles, in particular to a charging pile with a heat dissipation structure. Background Art

[0002] When charging, the charging pile will generate a lot of heat. If the heat of the charging pile cannot be dissipated during the charging process, it will affect the service life of the charging pile and may even reduce the charging efficiency. Therefore, the charging pile needs to be equipped with a heat dissipation structure to ensure the normal use of the charging pile.

[0003] In the prior art, the utility model patent with application number CN202311163190.4 discloses a heat dissipation device for a new energy charging pile, comprising: a frame, the back of the frame is a hollow structure, the back of the frame is fixed by a back mounting plate, and is fixedly mounted on a circulating track at the bottom of the frame, a slide groove is provided at the middle position on both sides of the circulating track, pulleys are slidably mounted in the slide grooves on both sides, a wheel axle is rotatably mounted inside the middle of the pulley, a driving vehicle body is fixedly mounted on the upper end of the wheel axle, and a limited stopper is fixedly connected to the lower end of the wheel axle, a bottom fan is fixedly mounted on the upper surface of the driving vehicle body, and a plurality of upper heat dissipation holes are provided inside the box above the frame, the upper heat dissipation holes are located directly above the circulating track, and a dustproof heat dissipation plate is fixedly mounted in the upper heat dissipation holes. This heat dissipation device for a new energy charging pile has a good heat dissipation effect, avoids the charging pile from being in a high temperature state due to long-term use, greatly increases the service life of the charging pile, and is conducive to charging vehicles one by one, improving charging efficiency, and is conducive to practical use.

[0004] Although this new energy charging pile heat dissipation device is provided with a heat dissipation structure to prevent the charging pile from being in a high temperature state due to long-term use, the heat dissipation intensity of the heat dissipation structure provided in this new energy charging pile heat dissipation device cannot be adjusted during operation. When the temperature of the charging pile is low or too high, the heat dissipation intensity cannot be adjusted in time according to temperature changes, resulting in the heat dissipation structure wasting electric energy when the temperature of the charging pile is low or the heat dissipation intensity is insufficient when the temperature of the charging pile is too high. This problem needs to be further improved. Utility Model Content

[0005] The utility model aims to provide a charging pile with a heat dissipation structure, aiming to improve the problem that the heat dissipation device of the existing charging pile cannot adjust the heat dissipation intensity in time according to temperature changes.

[0006] The utility model is implemented as follows: a charging pile with a heat dissipation structure, comprising a charging box shell, a charging gun and a charging circuit module, wherein the charging circuit module is arranged in the charging box shell, the charging gun is arranged on the front baffle of the charging box shell, and is electrically connected to the charging circuit module, and is characterized in that it also includes a cooling air device, a coolant device, a temperature frequency conversion control device and a fan frequency conversion control device, wherein the coolant device includes a cooling pump, a circulating pump, a cooling pipe and a coolant tank; the interior of the charging box shell is divided into a left shell cavity, a middle shell cavity and a right shell cavity by a vertical partition, and the charging The electrical circuit module, the fan frequency conversion control device and the cooling air device are all arranged in the middle cavity of the shell, and the cooling air device and the fan frequency conversion control device are electrically connected; the cooling pump and the circulating pump are arranged in the left cavity of the shell, and the cooling pump and the circulating pump are connected through a pipeline, the coolant tank is arranged in the right cavity of the shell, the cooling pipeline is arranged in the middle cavity of the shell, and the two ends of the cooling pipeline are respectively connected to the circulating pump and the coolant tank, the cooling pump and the coolant tank are connected through a pipeline, and a temperature frequency conversion control device is also arranged in the left cavity of the shell, and the temperature frequency conversion control device and the circulating pump are electrically connected.

[0007] Preferably, the charging box shell also includes a plurality of support rods, a waterproof plate and a ventilation plate, the support rods are vertically arranged inside the charging box shell, and a vertical partition is installed between every two support rods in the longitudinal direction, and the vertical partition divides the interior of the charging box shell into a left shell cavity, a middle shell cavity and a right shell cavity; ventilation plates are respectively arranged at the upper and lower ends of the middle shell cavity, and the cooling air device is installed at the position of the ventilation plate corresponding to the charging circuit module; the top ends of the support rods are in the same horizontal plane, and a waterproof plate is installed at the top ends.

[0008] Preferably, the cooling air device includes a plurality of heat dissipation fans and heat extraction fans, the heat dissipation fans are mounted on a ventilation plate at an upper end of a central cavity of the shell, and an air outlet of the heat dissipation fan faces the charging circuit module, and the heat extraction fan is mounted on a ventilation plate at a lower end of a central cavity of the shell, and an air outlet faces the charging circuit module.

[0009] Preferably, the coolant device also includes a first connecting pipe and a second connecting pipe, the water outlet of the circulation pump and the water inlet of the cooling pump are connected through the first connecting pipe, and the water outlet of the cooling pump and the water inlet of the coolant tank are connected through the second connecting pipe; the cooling pipes are bent and arranged in a matrix shape, and the surface of the cooling pipes abuts against the back of the charging circuit module.

[0010] Preferably, the temperature frequency conversion control device includes a coolant frequency conversion control device and a temperature sensor, the coolant frequency conversion control device is arranged at the lower end of the circulation pump and is electrically connected to the circulation pump, and the temperature sensor is arranged at the lower end of the charging circuit module in the shell cavity and is connected to the coolant frequency conversion control device.

[0011] Preferably, the temperature frequency conversion control device and the fan frequency conversion control device are both electrically connected to the charging circuit module.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the utility model realizes timely adjustment of the heat dissipation intensity according to temperature changes by arranging a fan frequency conversion control device, a coolant frequency conversion control device and a temperature sensor, thereby avoiding the problem of power waste due to the heat dissipation structure when the temperature of the charging pile is low or insufficient heat dissipation intensity when the temperature of the charging pile is too high. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0014] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0015] Figure 3 It is a structural schematic diagram of the charging box housing of the utility model;

[0016] Figure 4 It is a structural schematic diagram of the ventilation plate of the utility model;

[0017] Figure 5 It is a structural schematic diagram of the cooling air device of the utility model;

[0018] Figure 6 It is a structural schematic diagram of the cooling water device of the utility model;

[0019] Figure 7 It is a structural schematic diagram of the cooling pipeline of the utility model.

[0020] In the figure: 1. Charging box shell; 101. Left cavity of the shell; 102. Support rod; 103. Middle cavity of the shell; 104. Right cavity of the shell; 105. Waterproof plate; 106. Ventilation plate; 2. Charging gun; 3. Cooling air device; 301. Heat dissipation fan; 302. Extraction fan; 4. Coolant device; 401. Cooling pump; 402. First connecting pipe; 403. Circulation pump; 404. Second connecting pipe; 405. Cooling pipe; 406. Coolant tank; 5. Temperature frequency conversion control device; 501. Coolant frequency conversion control device; 502. Temperature sensor; 6. Charging circuit module; 7. Fan frequency conversion control device. DETAILED DESCRIPTION

[0021] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] The following is a further description with reference to the accompanying drawings and specific embodiments:

[0023] Example 1

[0024] like Figure 1-Figure 5 As shown, a charging pile with a heat dissipation structure includes a charging box housing 1, a charging gun 2 and a charging circuit module 6. The charging box housing 1 also includes a plurality of support rods 102, a waterproof plate 105 and a ventilation plate 106. The support rods 102 are vertically arranged inside the charging box housing 1. The height of the support rods 102 is greater than the height of the inner cavity of the box body. A vertical partition is installed between every two support rods 102 in the longitudinal direction. The vertical partition divides the inside of the charging box housing 1 into a left cavity 101 of the housing, a middle cavity 103 of the housing and a right cavity 104 of the housing. It also includes a cooling air device 3, a coolant device 4, a temperature frequency conversion control device 5 and a fan frequency conversion control device 7. The upper and lower ends of the middle cavity 103 of the housing are respectively provided with ventilation plates 106. The cooling air device 3 is installed at the position of the ventilation plate 106 corresponding to the charging circuit module 6. The top ends of the support rods 102 are in the same horizontal plane, and a waterproof plate 105 is installed at the top ends. The charging circuit module 6 is arranged in the charging box housing 1, and the charging gun 2 is arranged on the front baffle of the charging box housing 1 and is electrically connected to the charging circuit module 6. The cooling air device 3 includes a plurality of heat dissipation fans 301 and heat extraction fans 302. The heat dissipation fans 301 are mounted on the ventilation plate 106 at the upper end of the housing cavity 103, and the air outlet of the heat dissipation fans 301 faces the charging circuit module 6. The heat extraction fans 302 are mounted on the ventilation plate 106 at the lower end of the housing cavity 103, and the air outlet faces the charging circuit module 6.

[0025] like Figure 6 and Figure 7As shown, the coolant device 4 includes a cooling pump 401, a circulation pump 403, a cooling pipe 405 and a coolant tank 406. The coolant device 4 also includes a first connecting pipe 402 and a second connecting pipe 404. The water outlet of the circulation pump 403 and the water inlet of the cooling pump 401 are connected through the first connecting pipe 402, and the water outlet of the cooling pump 401 and the water inlet of the coolant tank 406 are connected through the second connecting pipe 404. The cooling pipe 405 is bent and arranged in a matrix shape, and the surface of the cooling pipe 405 abuts against the back of the charging circuit module 6. The interior of the charging box housing 1 is divided into a left housing chamber 101, a middle housing chamber 103 and a right housing chamber 104 by a vertical partition. The charging circuit module 6, the fan frequency conversion control device 7 and the cooling air device 3 are all arranged in the middle housing chamber 103, and the cooling air device 3 and the fan frequency conversion control device 7 are electrically connected. The cooling pump 401 and the circulating pump 403 are arranged in the left chamber 101 of the shell, and the cooling pump 401 and the circulating pump 403 are connected by a pipeline. The coolant tank 406 is arranged in the right chamber 104 of the shell. The cooling pipeline 405 is arranged in the middle chamber 103 of the shell, and the two ends of the cooling pipeline 405 are respectively connected to the circulating pump 403 and the coolant tank 406. The cooling pump 401 and the coolant tank 406 are connected by a pipeline. A temperature frequency conversion control device 5 is also arranged in the left chamber 101 of the shell. The temperature frequency conversion control device 5 includes a coolant frequency conversion control device 501 and a temperature sensor 502. The coolant frequency conversion control device 501 is arranged at the lower end of the circulating pump 403 and is electrically connected to the circulating pump. The temperature sensor 502 is arranged at the lower end of the charging circuit module 6 of the middle chamber 103 of the shell and is connected to the coolant frequency conversion control device 501. The temperature frequency conversion control device 5 and the circulating pump 403 are electrically connected. The temperature frequency conversion control device 5 and the fan frequency conversion control device 7 are both electrically connected to the charging circuit module 6 .

[0026] Example 2

[0027] like Figure 1-Figure 4 As shown, a charging pile with a heat dissipation structure includes a charging box housing 1, a charging gun 2 and a charging circuit module 6. The charging box housing 1 also includes a plurality of support rods 102, a waterproof plate 105 and a ventilation plate 106. The support rods 102 are vertically arranged inside the charging box housing 1, and a vertical partition is installed between every two support rods 102 in the longitudinal direction. The vertical partition divides the inside of the charging box housing 1 into a left housing chamber 101, a middle housing chamber 103 and a right housing chamber 104. Ventilation plates 106 are respectively arranged at the upper and lower ends of the middle housing chamber 103, and the cooling air device 3 is installed at the position of the ventilation plate 106 corresponding to the charging circuit module 6. The top ends of the support rods 102 are in the same horizontal plane, and a waterproof plate 105 is installed at the top ends. The charging circuit module 6 is arranged in the charging box housing 1, and the charging gun 2 is arranged on the front baffle of the charging box housing 1 and is electrically connected to the charging circuit module 6.

[0028] like Figure 2-Figure 5As shown, it also includes a cooling air device 3, a coolant device 4, a temperature frequency conversion control device 5 and a fan frequency conversion control device 7. The cooling air device 3 includes multiple heat dissipation fans 301 and heat extraction fans 302. The heat dissipation fans 301 are installed on the ventilation plate 106 at the upper end of the shell cavity 103, and the air outlet of the heat dissipation fan 301 faces the charging circuit module 6. The heat extraction fan 302 is installed on the ventilation plate 106 at the lower end of the shell cavity 103, and the air outlet faces the charging circuit module 6.

[0029] like Figure 6 and Figure 7 As shown, the coolant device 4 includes a cooling pump 401, a circulation pump 403, a cooling pipe 405 and a coolant tank 406. The coolant device 4 also includes a first connecting pipe 402 and a second connecting pipe 404. The water outlet of the circulation pump 403 and the water inlet of the cooling pump 401 are connected through the first connecting pipe 402, and the water outlet of the cooling pump 401 and the water inlet of the coolant tank 406 are connected through the second connecting pipe 404. The cooling pipe 405 is bent and arranged in a matrix shape, and the surface of the cooling pipe 405 abuts against the back of the charging circuit module 6. The interior of the charging box housing 1 is divided into a left housing chamber 101, a middle housing chamber 103 and a right housing chamber 104 by a vertical partition. The charging circuit module 6, the fan frequency conversion control device 7 and the cooling air device 3 are all arranged in the middle housing chamber 103, and the cooling air device 3 and the fan frequency conversion control device 7 are electrically connected. The cooling pump 401 and the circulating pump 403 are arranged in the left chamber 101 of the shell, and the cooling pump 401 and the circulating pump 403 are connected by a pipeline. The coolant tank 406 is arranged in the right chamber 104 of the shell. The cooling pipeline 405 is arranged in the middle chamber 103 of the shell, and the two ends of the cooling pipeline 405 are respectively connected to the circulating pump 403 and the coolant tank 406. The cooling pump 401 and the coolant tank 406 are connected by a pipeline. A temperature frequency conversion control device 5 is also arranged in the left chamber 101 of the shell. The temperature frequency conversion control device 5 includes a coolant frequency conversion control device 501 and a temperature sensor 502. The coolant frequency conversion control device 501 is arranged at the lower end of the circulating pump 403 and is electrically connected to the circulating pump. The temperature sensor 502 is arranged at the lower end of the charging circuit module 6 of the middle chamber 103 of the shell and is connected to the coolant frequency conversion control device 501. The temperature frequency conversion control device 5 and the circulating pump 403 are electrically connected. The temperature frequency conversion control device 5 and the fan frequency conversion control device 7 are both electrically connected to the charging circuit module 6 .

[0030] The working principle of the utility model is as follows: when the charging pile is turned on for charging, the charging circuit module 6 starts the fan frequency conversion control device 7 and the coolant coolant frequency conversion control device 501 through electrical connection, and the fan frequency conversion control device 7 drives the heat dissipation fan 301 and the heat extraction fan 302 through electrical connection to dissipate heat inside the charging pile. When the temperature of the charging pile is too high, the temperature signal is converted into an electrical signal through the temperature sensor 502 and transmitted to the fan frequency conversion control device 7. The fan frequency conversion control device 7 changes the wind force of the heat dissipation fan 301 and the heat extraction fan 302 through the electrical signal transmitted by the temperature sensor. At the same time, the coolant frequency conversion control device 501 starts the circulation pump 403 through the electrical signal transmitted by the temperature sensor 502 and the electrical energy supplied by the coolant frequency conversion control device 501 through the charging circuit module 6. The circulation pump 403 draws coolant from the coolant tank 406. The coolant flows along the cooling pipe 405 with the help of the suction force of the circulation pump 403 to absorb heat. The circulation pump 403 then transfers the coolant that absorbs heat to the cooling pump 401 through the first connecting pipe 402 for cooling, and then transports it to the coolant tank 406 through the second connecting pipe 404.

[0031] In summary, the utility model realizes timely adjustment of the heat dissipation intensity according to temperature changes by setting the fan frequency conversion control device 7, the coolant coolant frequency conversion control device 501 and the temperature sensor 502, thereby avoiding the problem of waste of electricity in the heat dissipation structure when the temperature of the charging pile is low or insufficient heat dissipation intensity when the temperature of the charging pile is too high.

[0032] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be modified and varied in various ways. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A charging pile with a heat dissipation structure, comprising a charging box housing (1), a charging gun (2) and a charging circuit module (6), wherein the charging circuit module (6) is located in the charging box housing (1), and the charging gun (2) and the charging circuit module (6) are electrically connected, characterized in that: The charging box also includes a cooling air device (3), a cooling liquid device (4), a temperature frequency conversion control device (5) and a fan frequency conversion control device (7), wherein the cooling liquid device (4) includes a cooling pump (401), a circulating pump (403), a cooling pipe (405) and a cooling liquid tank (406); the interior of the charging box shell (1) is divided into a shell left chamber (101), a shell middle chamber (103) and a shell right chamber (104) by a vertical partition, and the charging circuit module (6), the fan frequency conversion control device (7) and the cooling air device (3) are all arranged in the shell middle chamber (103), and the cooling air device (3) and the fan frequency conversion control device (7) are electrically connected; the cooling pump (40 1) and a circulation pump (403) are arranged in the left chamber (101) of the shell, and the cooling pump (401) and the circulation pump (403) are connected through a pipeline, the coolant tank (406) is arranged in the right chamber (104) of the shell, the cooling pipeline (405) is arranged in the middle chamber (103) of the shell, and the two ends of the cooling pipeline (405) are respectively connected to the circulation pump (403) and the coolant tank (406), the cooling pump (401) and the coolant tank (406) are connected through a pipeline, and a temperature frequency conversion control device (5) is also arranged in the left chamber (101) of the shell, and the temperature frequency conversion control device (5) and the circulation pump (403) are electrically connected.

2. The charging pile with a heat dissipation structure according to claim 1, characterized in that: The charging box shell (1) also includes a plurality of support rods (102), a waterproof plate (105) and a ventilation plate (106); the support rods (102) are vertically arranged inside the charging box shell (1), and a vertical partition is installed between every two support rods (102) in the longitudinal direction, and the vertical partition divides the interior of the charging box shell (1) into a left shell chamber (101), a middle shell chamber (103) and a right shell chamber (104); ventilation plates (106) are respectively arranged at the upper and lower ends of the middle shell chamber (103), and the cooling air device (3) is installed at the position of the ventilation plate (106) corresponding to the charging circuit module (6); the top ends of the support rods (102) are in the same horizontal plane, and a waterproof plate (105) is installed at the top ends.

3. The charging pile with a heat dissipation structure according to claim 2, characterized in that: The cooling air device (3) comprises a plurality of heat dissipation fans (301) and heat extraction fans (302); the heat dissipation fans (301) are mounted on a ventilation plate (106) at the upper end of the housing cavity (103), and the air outlet of the heat dissipation fans (301) faces the charging circuit module (6); the heat extraction fans (302) are mounted on a ventilation plate (106) at the lower end of the housing cavity (103), and the air outlet faces the charging circuit module (6).

4. The charging pile with a heat dissipation structure according to claim 1, characterized in that: The coolant device (4) further comprises a first connecting pipe (402) and a second connecting pipe (404); the water outlet of the circulation pump (403) and the water inlet of the cooling pump (401) are connected via the first connecting pipe (402); the water outlet of the cooling pump (401) and the water inlet of the coolant tank (406) are connected via the second connecting pipe (404); the cooling pipes (405) are bent and arranged in a matrix shape, and the surface of the cooling pipes (405) abuts against the back of the charging circuit module (6).

5. The charging pile with a heat dissipation structure according to claim 1, characterized in that: The temperature frequency conversion control device (5) comprises a coolant frequency conversion control device (501) and a temperature sensor (502); the coolant frequency conversion control device (501) is arranged at the lower end of the circulation pump (403) and is electrically connected to the circulation pump; the temperature sensor (502) is arranged at the lower end of the charging circuit module (6) in the housing middle cavity (103) and is connected to the coolant frequency conversion control device (501).

6. The charging pile with a heat dissipation structure according to claim 1, characterized in that: The temperature frequency conversion control device (5) and the fan frequency conversion control device (7) are both electrically connected to the charging circuit module (6), and the fan frequency conversion control device (7) is also electrically connected to the temperature sensor 502.

Images