Power compatible device for CDU driving device of liquid cooling charging pile

Abstract

The invention discloses a liquid cooling charging pile CDU driving device power compatible device, and relates to the technical field of direct current liquid cooling charging piles, the liquid cooling charging pile CDU driving device power compatible device comprises a liquid cooling cable, a cable core is arranged in an inner cavity of the liquid cooling cable, and a cable liquid cooling layer is arranged on the edge of the outer side of the cable core; when the charging gun works, one or more groups of air pressure monitoring sensors are additionally arranged in the liquid-cooled cable, and if the temperature is too high, a high-temperature generation point can be monitored and searched in time, so that a series of work can be performed; under the condition, a monitoring module is independently arranged on the charging pile, and once the over-temperature condition in the charging gun is monitored, the charging pile stops charging at the first time and reports a fault report at an over-temperature point, so that maintenance personnel can find out and solve the problem in the shortest time.

Description

Technical Field

[0001] The present invention relates to the technical field of direct current liquid-cooled charging piles, and in particular to a power compatible device of a liquid-cooled charging pile CDU drive device. Background Art

[0002] At present, according to the requirements of the new national standard GB / T20234.4-2023, the power of the supercharging charging gun is 400A / 500A / 600A; but companies that make charging guns are developing in the direction of 800A~1200A, and many companies will also say to each other that "the company has made breakthrough progress in the charging power of 800A~1200A", which is two-sided; in view of this, the power that is not within the requirements of the new national standard GB / T20234.4-2023 is not impossible to achieve. Now, the charging power of 800A~1200A can be achieved by adjusting the charging pile CDU drive device. The problem existing in the prior art is how to make the charging gun line and the charging pile CDU drive device work together as a whole, and will not be affected by high temperature, flow pressure of cooling liquid, ultra-high voltage current protection, etc. during work. Therefore, the present invention proposes a liquid-cooled charging pile CDU drive device power compatibility device. Summary of the invention

[0003] In view of the above-mentioned shortcomings of the prior art, an object of the present invention is to provide a power compatible device for a liquid-cooled charging pile CDU drive device.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a power compatible device of a liquid-cooled charging pile CDU drive device, comprising a liquid-cooled cable, wherein a wire core is provided in an inner cavity of the liquid-cooled cable, and a cable liquid cooling layer is provided on an outer edge of the wire core.

[0005] Preferably, a shielding layer is provided on the outer edge of the cable liquid cooling layer.

[0006] Preferably, an air pressure monitoring sensor is provided in the inner cavity of the liquid cooling cable.

[0007] Preferably, the charging pile display screen program adds an item for controlling liquid leakage, so that maintenance personnel can know the fault information through the display screen in time.

[0008] Preferably, a monitoring device is separately installed inside the charging pile.

[0009] Compared with the prior art, the present invention has the following beneficial effects:

[0010] The present invention monitors the charging gun while it is working by adding one or more groups of air pressure monitoring sensors inside the liquid-cooled cable. If the temperature is too high, it can timely monitor and find the high temperature occurrence point, thereby performing a series of tasks. In this case, a separate monitoring module is made for the charging pile. Once overtemperature is detected in the charging gun, the charging pile stops charging immediately and reports a fault report at the overtemperature point, allowing maintenance personnel to find the problem and solve it as quickly as possible. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the liquid cooling cable structure of the components of the present invention;

[0012] Figure 2 This is a cross-sectional view of the interior of the liquid-cooled cable component of the present invention.

[0013] Numbers in the figure: 1, liquid-cooled cable; 2, shielding layer; 3, cable liquid cooling layer; 4, wire core; 5, air pressure monitoring sensor. DETAILED DESCRIPTION

[0014] See also Figure 1-2 , the present invention provides a technical solution: a power compatible device of a liquid-cooled charging pile CDU drive device, comprising a liquid-cooled cable 1, a wire core 4 is provided in the inner cavity of the liquid-cooled cable 1, a cable liquid cooling layer 3 is provided at the outer edge of the wire core 4, a shielding layer 2 is provided at the outer edge of the cable liquid cooling layer 3, an air pressure monitoring sensor 5 is provided in the inner cavity of the liquid-cooled cable 1, a liquid leakage control item is added to the charging pile display program, so that maintenance personnel can know the fault information in time through the display screen, and a monitoring device is installed separately inside the charging pile;

[0015] The two main lines DC+ / DC- in the liquid-cooled cable 1 need to meet the design values ​​of liquid cooling, cooling liquid flow pressure, ultra-high voltage current protection, etc., and be compatible with a smaller number of cables. By installing software monitoring in the charging pile CDU drive device, modifying the internal structure of the charging pile CDU drive device, and making structural changes to the inlet and outlet circuits of the drive device structure, the liquid-cooled cable 1 and the charging pile are finally solved and realized to work together as one.

[0016] Working principle: By installing one or more groups of air pressure monitoring sensors 5 inside the liquid-cooled cable 1 to monitor the charging gun while it is working, if the temperature is too high, it can be monitored and the high temperature point can be found in time, so as to perform a series of tasks; in this case, a separate monitoring module is made for the charging pile. Once the overtemperature is detected in the charging gun, the charging pile will stop charging immediately and report a fault report at the overtemperature point, allowing maintenance personnel to find the problem and solve it as quickly as possible. The maximum charging power safety hazard inside the charging pile and the liquid-cooled cable 1 can be fully solved through the air pressure monitoring sensor 5, the charging pile display program, and a monitoring device to solve the safety hazards during the use of the super charging gun.

Claims

1. A power compatible device for a liquid-cooled charging pile CDU drive device, comprising a liquid-cooled cable (1), characterized in that: The inner cavity of the liquid-cooled cable (1) is provided with a wire core (4), and the outer edge of the wire core (4) is provided with a cable liquid cooling layer (3).

2. A power compatible device for a liquid-cooled charging pile CDU drive device according to claim 1, characterized in that: A shielding layer (2) is provided at the outer edge of the cable liquid cooling layer (3).

3. A power compatible device for a liquid-cooled charging pile CDU drive device according to claim 1, characterized in that: An air pressure monitoring sensor (5) is provided in the inner cavity of the liquid cooling cable (1).

4. A power compatible device for a liquid-cooled charging pile CDU drive device according to claim 1, characterized in that: The charging pile display screen program adds an item for controlling liquid leakage, so that maintenance personnel can know the fault information through the display screen in time.

5. A power compatible device for a liquid-cooled charging pile CDU drive device according to claim 1, characterized in that: A monitoring device is separately installed inside the charging pile.

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