New energy vehicle type top-mounted equipment power supply device

Abstract

The invention relates to a new energy vehicle type top-mounted equipment power supply device, which comprises a cabinet body, and is characterized in that a 380V power supply interface socket and a 220V power supply interface socket are arranged on the front surface of the cabinet body, and a bidirectional contact switch of a submersible pump is arranged below the 220V power supply interface socket; a bidirectional contact switch of the submersible pump is electrically connected with a leakage protection switch of the submersible pump, the leakage protection switch of the submersible pump is electrically connected with an alternating current contactor of the submersible pump, and the alternating current contactor of the submersible pump is electrically connected with a power output socket of the submersible pump. And a bidirectional contact switch of the vane pump is arranged on one side of the bidirectional contact switch of the submersible pump. According to the new energy vehicle type new energy top-mounted power supply scheme, a user can flexibly select a vehicle-mounted 380V power supply or a vehicle-mounted 220V power supply to supply power, a working power supply is further well supplied to top-mounted equipment, and the use of the top-mounted equipment of the new energy vehicle type is efficiently met.

Description

Technical Field

[0001] The present invention relates to the technical field of new energy vehicles, and in particular to a power supply device for equipment mounted on a new energy vehicle model. Background Art

[0002] At present, the original circuit power consumption of new energy vehicle models is limited. If a large number of mounted devices are installed and used on the vehicle at the same time, it is necessary to use an external mobile device or add a power module to the mounted devices. It is impossible to use a convenient and effective fixed power supply, resulting in the inability to flexibly and conveniently use the on-board mounted devices, and the cost is also high, which cannot meet the use requirements of the entire vehicle equipment.

[0003] The currently known power distribution devices have a relatively complex overall structure and a large size. They are movable external devices and cannot meet the requirements of built-in fixed components in automobiles, making them inconvenient to carry and use. They mainly involve a power supply device cabinet with a single-point multi-way output port, which is suitable for power supply transfer for multiple user units, improves the connection speed and power safety, but cannot realize the conversion of AC to DC. Moreover, the electrical circuits are only simply wired and assembled, and no comprehensive circuit power supply monitoring system, such as overcurrent protectors and other components, is provided. The safety of use is relatively low, which is not conducive to popularization. Summary of the invention

[0004] In view of the above problems, the present invention provides a power supply device for the upper-mounted equipment of a new energy vehicle model, which not only serves as a power supply solution for the upper-mounted equipment of a new energy vehicle model, allowing users to flexibly choose between a vehicle-mounted 380V power supply or a vehicle-mounted 220V power supply, but also further supplies a good working power supply for the upper-mounted equipment, efficiently meeting the use of the upper-mounted equipment of new energy vehicles.

[0005] In order to achieve the above-mentioned purpose and other related purposes, the technical solution provided by the present invention is as follows: A power supply device for equipment mounted on a new energy vehicle model comprises a cabinet, wherein a 380V power interface socket and a 220V power interface socket are arranged on the front of the cabinet, a two-way contact switch of a submersible pump is arranged below the 220V power interface socket, the two-way contact switch of the submersible pump is electrically connected to the leakage protection switch of the submersible pump, the leakage protection switch of the submersible pump is electrically connected to the AC contactor of the submersible pump, the AC contactor of the submersible pump is electrically connected to the power output socket of the submersible pump, a two-way contact switch of a vane pump is arranged on one side of the two-way contact switch of the submersible pump, and the two-way contact switch of the vane pump is electrically connected to the AC contactor of the submersible pump. The bidirectional contact switch is electrically connected to the leakage protection switch of the vane pump, the leakage protection switch of the vane pump is electrically connected to the relay of the vane pump, the relay of the vane pump is electrically connected to the output socket of the vane pump, a bidirectional contact switch of the screw pump is provided on one side of the bidirectional contact switch of the vane pump, the bidirectional contact switch of the screw pump is electrically connected to the three-phase 380V leakage protection switch, the three-phase 380V leakage protection switch is electrically connected to the AC converter of the screw pump, the AC converter of the screw pump is electrically connected to the wide temperature inverter, and the wide temperature inverter is electrically connected to the output socket of the screw pump.

[0006] Furthermore, the 380V power interface socket is electrically connected to the bidirectional contact switch of the submersible pump, and the 220V power interface socket is electrically connected to the bidirectional contact switch of the submersible pump.

[0007] Furthermore, the bidirectional contact switch of the screw pump is electrically connected to the 380V power interface socket, and the bidirectional contact switch of the screw pump is electrically connected to the 220V power interface socket.

[0008] Furthermore, the bidirectional contact switch of the submersible pump is electrically connected to the 380V power interface socket, and the bidirectional contact switch of the submersible pump is electrically connected to the 220V power interface socket.

[0009] Furthermore, a control panel is provided below the bidirectional contact switch of the vane pump.

[0010] Furthermore, a digital pressure gauge is provided on one side of the two-way contact switch of the screw pump, and a digital flow meter is provided below the digital pressure gauge.

[0011] Furthermore, a handle is provided on one side of the cabinet, and a heat dissipation hole is provided below the handle.

[0012] Furthermore, the leakage protection switch of the vane pump is connected to a 24V switching power supply, and a communication line is connected between the vane pump and the water outlet flow meter.

[0013] Furthermore, the cabinet is provided with a terminal inside, and the terminal is located on one side of the screw pump AC converter.

[0014] Furthermore, the cabinet is in the shape of a cuboid.

[0015] The present invention has the following positive effects: 1. The device cabinet of the present invention is provided with an external 380V power interface socket and an external 220V power interface socket, a digital flow meter and a digital pressure gauge, three two-way contact switches (respectively controlling the screw pump switch, the vane pump switch, and the submersible pump switch) and a screw pump output socket, a vane pump output socket, and a submersible pump power output socket. It not only serves as a power supply solution for new energy vehicle models, and users can flexibly choose a vehicle-mounted 380V power supply or a vehicle-mounted 220V power supply, but also further supplies a good working power supply for the mounted equipment, efficiently meeting the use of the mounted equipment of new energy vehicle models.

[0016] 2. The present invention connects a 24V switching power supply (1000W) through the leakage protection switch of the vane pump. The 24V switching power supply outputs a 24V power supply, which is then connected to a relay to the vane pump. A communication line is connected between the vane pump and a water outlet flow meter (sensor). The communication lines are connected to a control panel, which can display flow indicators. At the same time, communication control can be performed between the communication line and the control panel. Not only can the vane pump be controlled and monitored in real time, but comprehensive data monitoring and overcurrent protection are also provided, and the use safety is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the present invention (I); Figure 2 It is a structural schematic diagram of the present invention (II); Figure 3 It is a circuit connection schematic diagram of the present invention; Figure 4 It is a schematic diagram of the working principle of the present invention (I); Figure 5 Schematic diagram of the working principle of the present invention (II).

[0018] Explanation of the numbers in the figure: 1-cabinet, 2-handle, 3-digital flowmeter, 4-digital pressure gauge, 5-two-way contact switch of screw pump, 6-two-way contact switch of vane pump, 7-two-way contact switch of submersible pump, 8-380V power interface socket, 9-220V power interface socket, 10-screw pump output socket, 11-vane pump output socket, 12-submersible pump power output socket, 13-control panel, 14-21V switching power supply, 15-leakage protection switch of submersible pump, 16-AC contactor of submersible pump, 17-leakage protection switch of vane pump, 18-relay of vane pump, 19-wide temperature inverter, 20-three-phase 380V leakage protection switch, 21-AC converter of screw pump, 22-terminal. DETAILED DESCRIPTION

[0019] The following is a description of exemplary embodiments of the present disclosure in conjunction with the accompanying drawings, including various details of the embodiments of the present disclosure to facilitate understanding, which should be considered as merely exemplary. Therefore, it should be recognized by those of ordinary skill in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the present disclosure. Similarly, for the sake of clarity and conciseness, descriptions of well-known functions and structures are omitted in the following description.

[0020] Example 1: Figure 1 or Figure 2 or Figure 3 As shown, a power supply device for a new energy vehicle upper equipment includes a cabinet 1, a 380V power interface socket 8 and a 220V power interface socket 9 are provided on the front of the cabinet 1, a two-way contact switch 7 of a submersible pump is provided below the 220V power interface socket 9, the two-way contact switch 7 of the submersible pump is electrically connected to a leakage protection switch 15 of the submersible pump, the leakage protection switch 15 of the submersible pump is electrically connected to an AC contactor 16 of the submersible pump, the AC contactor 16 of the submersible pump is electrically connected to a power output socket 12 of the submersible pump, a two-way contact switch 6 of a vane pump is provided on one side of the two-way contact switch 7 of the submersible pump, and the two-way contact switch 6 of the vane pump is provided on the other side of the two-way contact switch 7 of the submersible pump. The contact switch 6 is electrically connected to the leakage protection switch 17 of the vane pump, the leakage protection switch 17 of the vane pump is electrically connected to the relay 18 of the vane pump, the relay 18 of the vane pump is electrically connected to the vane pump output socket 11, and a bidirectional contact switch 5 of the screw pump is provided on one side of the bidirectional contact switch 6 of the vane pump, the bidirectional contact switch 5 of the screw pump is electrically connected to the three-phase 380V leakage protection switch 20, the three-phase 380V leakage protection switch 20 is electrically connected to the AC converter 21 of the screw pump, the AC converter 21 of the screw pump is electrically connected to the wide temperature inverter 19, and the wide temperature inverter 19 is electrically connected to the screw pump output socket 10.

[0021] In this embodiment, the 380V power interface socket 8 is electrically connected to the bidirectional contact switch 7 of the submersible pump, and the 220V power interface socket 9 is electrically connected to the bidirectional contact switch 7 of the submersible pump.

[0022] In this embodiment, the two-way contact switch 5 of the screw pump is electrically connected to the 380V power interface socket 8, and the two-way contact switch 5 of the screw pump is electrically connected to the 220V power interface socket 9.

[0023] In this embodiment, the bidirectional contact switch 7 of the submersible pump is electrically connected to the 380V power interface socket 8, and the bidirectional contact switch 7 of the submersible pump is electrically connected to the 220V power interface socket 9.

[0024] In this embodiment, a control panel 13 is provided below the bidirectional contact switch 6 of the vane pump.

[0025] In this embodiment, a digital pressure gauge 4 is provided on one side of the two-way contact switch 5 of the screw pump, and a digital flow meter 3 is provided below the digital pressure gauge 4 .

[0026] In this embodiment, a handle 2 is provided on one side of the cabinet body 1 , and a heat dissipation hole is provided below the handle 2 .

[0027] In this embodiment, the leakage protection switch 17 of the vane pump is connected to the 24V switching power supply 14, and a communication line is connected between the vane pump and the water outlet flow meter.

[0028] In this embodiment, a terminal 22 is provided inside the cabinet 1 , and the terminal 22 is located on one side of the screw pump AC 21 .

[0029] In this embodiment, the cabinet 1 is in the shape of a cuboid.

[0030] Embodiment 2: Based on the power supply device for a new energy vehicle body-mounted equipment in Embodiment 1, the present invention is further illustrated and described below.

[0031] like Figure 1 or Figure 2 or Figure 3 As shown, a digital pressure gauge 4 is installed at the lower left side of the cabinet 1 to monitor the output pressure of the pump body; a digital flow meter 3 is installed above the digital pressure gauge 4 to monitor the water flow rate output by the pump body, and three two-way contact switches (respectively controlling the screw pump switch 5, the vane pump switch 6, and the submersible pump switch 7) can turn on and off the screw pump, the vane pump, and the submersible pump, and conveniently switch between the power supplies of the screw pump, the vane pump, and the submersible pump. Through the setting of the two-way contact switch, the 380V power supply and the 220V power supply are effectively integrated, and the use convenience is higher.

[0032] The cabinet 1 is provided with a vehicle-mounted DC / AC 380V power interface socket 8 and a vehicle-mounted DC / AC 220V power interface socket 9, a digital flow meter 3 and a digital pressure gauge 4, three two-way contact switches (respectively controlling a screw pump, a vane pump, and a submersible pump), a screw pump output socket 10, a vane pump output socket 11, and a submersible pump power output socket 12.

[0033] According to the above scheme, a three-phase 380V leakage protection switch 20 is provided in the cabinet of the device cabinet and connected to the AC converter 21 of the screw pump, and then connected to the wide temperature inverter 19. The frequency of the screw pump is controlled by the inverter and output to the output socket 10 of the screw pump. The leakage protection switch 15 (2-phase 220V) of the submersible pump is respectively connected to the AC contactor 16 of the submersible pump (the control line is connected to the bidirectional contact switch 7 of the submersible pump), and output to the output socket 12 of the submersible pump.

[0034] According to the above scheme, the leakage protection switch 17 (2-phase 220V) of the vane pump is connected to the 24V switching power supply 14 (1000W), the 24V switching power supply 14 outputs a 24V power supply, which is then connected to the vane pump relay 18 to the vane pump. There is a communication line connecting the vane pump and the water outlet flow meter (sensor), and the communication line is connected to the control panel 13, which can display the flow index, and at the same time, the communication line and the control panel 13 can be used for communication control.

[0035] According to the above scheme, if Figure 4 or Figure 5 As shown, the working principle of the present invention is as follows: there are water inlet pipes and water outlet pipes at both ends of the screw pump and the vane pump, which are respectively connected with quick-connect connectors, and the two water outlet pipes are connected to the three-way valve. The water outlet can be switched according to the need to inspect the pump body. A mixing valve is connected after the three-way valve, and a digital flow meter 3 and a digital pressure gauge 4 are connected after the mixing valve, which can display the total flow and the total pressure respectively. The water outlet three-way valve is connected after the pressure gauge, and then the two water outlets are connected respectively. The two water outlets are controlled by gate valves respectively. The difference between the two water outlets is that the lower water outlet is equipped with a flow meter 3 (digital display), and the control panel 13 can be connected with a communication line to check whether the control panel 13 and the communication line are normal.

[0036] In summary, the present invention has a more optimal small and flexible structural design, a more systematic and perfect circuit design, can provide comprehensive data monitoring and overcurrent protection, and has high safety in use. During use, according to the use of the upper-mounted equipment, the user can flexibly choose a 380V power supply or a 220V power supply, and further supply multiple upper-mounted equipment for use at the same time, efficiently meeting the use requirements of the upper-mounted equipment, and bringing a good upper-mounted use experience. The device is simple to operate, convenient and efficient to use, low in cost, and meets the requirements for the use of upper-mounted equipment for new energy vehicles.

[0037] The above specific implementations do not constitute a limitation on the protection scope of the present disclosure. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions can be made according to design requirements and other factors. Any modification, equivalent substitution and improvement made within the spirit and principle of the present disclosure shall be included in the protection scope of the present disclosure.

Claims

1. A power supply device for equipment mounted on a new energy vehicle, comprising a cabinet (1), characterized in that: A 380V power interface socket (8) and a 220V power interface socket (9) are provided on the front of the cabinet (1); a two-way contact switch (7) of a submersible pump is provided below the 220V power interface socket (9); the two-way contact switch (7) of the submersible pump is electrically connected to a leakage protection switch (15) of the submersible pump; the leakage protection switch (15) of the submersible pump is electrically connected to an AC contactor (16) of the submersible pump; the AC contactor (16) of the submersible pump is electrically connected to a power output socket (12) of the submersible pump; a two-way contact switch (6) of a vane pump is provided on one side of the two-way contact switch (7) of the submersible pump; the two-way contact switch (6) of the vane pump is electrically connected to the leakage protection switch (15) of the vane pump. The switch (17) is electrically connected, the leakage protection switch (17) of the vane pump is electrically connected to the relay (18) of the vane pump, the relay (18) of the vane pump is electrically connected to the vane pump output socket (11), a two-way contact switch (5) of the screw pump is provided on one side of the two-way contact switch (6) of the vane pump, the two-way contact switch (5) of the screw pump is electrically connected to the three-phase 380V leakage protection switch (20), the three-phase 380V leakage protection switch (20) is electrically connected to the AC converter (21) of the screw pump, the AC converter (21) of the screw pump is electrically connected to the wide temperature inverter (19), and the wide temperature inverter (19) is electrically connected to the screw pump output socket (10).

2. The power supply device for the new energy vehicle body equipment according to claim 1 is characterized in that: The 380V power interface socket (8) is electrically connected to the bidirectional contact switch (7) of the submersible pump, and the 220V power interface socket (9) is electrically connected to the bidirectional contact switch (7) of the submersible pump.

3. The power supply device for the upper equipment of the new energy vehicle according to claim 1 is characterized in that: The two-way contact switch (5) of the screw pump is electrically connected to the 380V power interface socket (8), and the two-way contact switch (5) of the screw pump is electrically connected to the 220V power interface socket (9).

4. The power supply device for the upper equipment of the new energy vehicle according to claim 1 is characterized in that: The bidirectional contact switch (7) of the submersible pump is electrically connected to the 380V power interface socket (8), and the bidirectional contact switch (7) of the submersible pump is electrically connected to the 220V power interface socket (9).

5. The power supply device for the upper equipment of the new energy vehicle according to claim 1 is characterized in that: A control panel (13) is provided below the bidirectional contact switch (6) of the vane pump.

6. The power supply device for the upper equipment of the new energy vehicle according to claim 1 is characterized in that: A digital pressure gauge (4) is provided on one side of the two-way contact switch (5) of the screw pump, and a digital flow meter (3) is provided below the digital pressure gauge (4).

7. The power supply device for the new energy vehicle body equipment according to claim 1 is characterized in that: A handle (2) is provided on one side of the cabinet body (1), and a heat dissipation hole is provided below the handle (2).

8. The power supply device for the upper equipment of the new energy vehicle according to claim 1 is characterized in that: The leakage protection switch (17) of the vane pump is connected to the 24V switching power supply (14), and a communication line is connected between the vane pump and the water outlet flow meter.

9. The power supply device for the upper equipment of the new energy vehicle according to claim 1 is characterized in that: A terminal (22) is provided inside the cabinet (1), and the terminal (22) is located on one side of the screw pump AC converter (21).

10. The power supply device for the new energy vehicle body equipment according to claim 1, characterized in that: The cabinet (1) is in the shape of a cuboid.

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