CN219727886U - Water-cooling vehicle-mounted charger structure - Google Patents

Abstract

The utility model relates to a water-cooling vehicle-mounted charger structure which comprises a charger structure and a box body, wherein the charger structure is arranged in the box body, the charger structure comprises a first module, a second module, a resonant capacitor module, a three-phase reactor and a three-phase water-cooling high-frequency transformer, and the box body comprises a box body assembly welding, a top sealing plate, a left front door, a right front door, a left side sealing plate and a right side sealing plate. The utility model relates to a water-cooling vehicle-mounted charger structure, which is characterized in that the input is three-phase power frequency 380V commercial power, the output is lithium batteries, frequency converters, fans, heaters and the like, the input and output are electrically isolated, the influence on a power grid and other loads is effectively prevented, and meanwhile, the power factor, the working efficiency and the power density of a product are improved, so that the effects of reducing the reactive power loss of extra lines, reducing the switching loss, saving the electric charge and reducing the size and the weight are achieved.

Description

Water-cooling vehicle-mounted charger structure

Technical Field

The utility model relates to the technical field of vehicle charging, in particular to a water-cooling vehicle-mounted charger structure.

Background

The traditional fuel oil automobile brings great convenience to life of people in the past, rapid development of world economy in the past decades is rapidly promoted, meanwhile, air pollution and climate warming caused by carbon emission of the automobile also bring wide attention to the world, in order to meet the requirements of current environmental protection, energy conservation and emission reduction, huge carbon emission generated by the traditional fuel oil automobile is reduced, the electric automobile industry becomes the current research hot spot to be rapidly developed, how to safely and efficiently charge batteries of the electric automobile is an important ring of development of the electric automobile, and the vehicle-mounted charger provides possibility for long endurance and rapid charging of the electric automobile by means of convenient charging performance of the vehicle-mounted charger, and the smaller volume.

However, the existing part of vehicle-mounted chargers have the problems of lower power factor, lower product power density and the like, for example, a vehicle-mounted charger (publication No. CN218633423U published: 2023-03-14) is characterized in that on the side of an alternating current power grid, three-phase three wires of 380V are input, three-phase four wires of 220V are obtained after transformation of a transformer, A, B, C three phases of the three-phase four wires are respectively connected with a single-phase charging module, the output ends of the single-phase charging modules are connected in parallel and then connected with a charging port of a battery to charge the battery, and the vehicle-mounted charger realizes superposition of charging power through the conversion of the transformer and through a plurality of single-phase charging modules on the basis of the existing three-phase three-wire interface, so that the charging power of the battery is improved, but the charger has the problems of lower power factor, switching loss and higher product power density, and the prior art cannot well deal with the problems, so that improvement exists.

Disclosure of Invention

Aiming at the technical defects in the background technology, the utility model provides a water-cooling vehicle-mounted charger structure, which solves the technical problems and meets the actual requirements, and the specific technical scheme is as follows:

the utility model provides a water-cooling vehicle-mounted charger structure, includes charger structure and box, the inside box is located to the charger structure, the charger structure includes first module, second module, resonance capacitor module, three-phase reactor and three-phase water-cooling high frequency transformer, the top of charger structure is located to first module and second module, the second module left side is located to first module, the three-phase reactor is located first module below, the three-phase water-cooling high frequency transformer is located the second module below, resonance capacitor module locates three-phase water-cooling high frequency transformer right side, first module electric connection second module and three-phase reactor, second module electric connection resonance capacitor module and three-phase water-cooling high frequency transformer, the charger structure has constituted three-phase PFC circuit, high-frequency resonance soft switch isolation transformation and Buck chopper circuit by first module, second module, resonance capacitor module, three-phase reactor and three-phase water-cooling high frequency transformer.

The box includes box assembly welding, top shrouding, left qianmen, right qianmen, left side shrouding and right side shrouding, the box assembly welding locates the box rear end, the top of box is located to the top shrouding, box front end is located to left qianmen and right qianmen, right qianmen left side is located to left qianmen, first opening is seted up to box assembly welding left end, first opening left side is equipped with the opening frame, be equipped with input assembly in the opening frame, input assembly left side is equipped with left side shrouding, the second opening is seted up to box assembly welding right-hand member, be equipped with resonance capacitor module in the second opening, resonance capacitor module right side is equipped with the right side shrouding.

Further, the first module comprises a switch assembly, a circuit breaker, an input assembly and an output assembly, wherein the switch assembly is arranged at the top end of the first module, the output assembly is arranged below the switch assembly, the input assembly is arranged at the left side of the switch assembly, the circuit breaker is arranged between the input assembly and the switch assembly, the input assembly is electrically connected with the output assembly, and the input assembly is electrically connected with the circuit breaker.

Further, the switch assembly comprises a switch device and a switch box, the switch device is arranged in the switch box, a switch box base is arranged below the switch box, the input assembly comprises a plurality of current sensors, a first group of insulators, a second group of insulators, a third group of insulators, a first group of interfaces, a second group of interfaces, a third group of interfaces and five indicator lamps, the plurality of current sensors are arranged on the left side of the circuit breaker, the first group of insulators are arranged below the plurality of current sensors and are connected with the circuit breaker through copper bars, the copper bars penetrate through the current sensors, the first group of insulators are used for fixing and insulating the current sensors and other conductors, the second group of insulators are arranged below the first group of interfaces, the second group of insulators are used for fixing the first group of interfaces, the third group of insulators are arranged above the second group of interfaces, and the third group of insulators are used for fixing the second group of interfaces.

Further, the output assembly bottom is equipped with the contactor bottom plate, be equipped with switch box base, first group's contactor, second group's contactor, third group's contactor, two current sensor and resistance group on the contactor bottom plate, second group's contactor and third group's contactor are arranged along controlling the direction to locate the contactor bottom plate rear end, be equipped with a plurality of schottky diode between second group's contactor and the third group's contactor, second group's contactor right side is located to two current sensor, be equipped with the fuse between second group's contactor and the switch base.

Further, the second module comprises a first thin film capacitor assembly and a second thin film capacitor assembly, the first thin film capacitor assembly is arranged above the second thin film capacitor assembly, a water cooling plate is arranged between the first thin film capacitor assembly and the second thin film capacitor assembly, the first thin film capacitor assembly comprises a first group of thin film capacitors and a fan, a power diode and a DC/DC converter are arranged above the water cooling plate, the second thin film capacitor assembly comprises a second group of thin film capacitors, the resonant capacitor module comprises a first group of resonant capacitors and a second group of resonant capacitors, and the first group of resonant capacitors are arranged above the second group of resonant capacitors.

Further, first opening is seted up to box assembly welding left end, first opening left side is equipped with the opening frame, be equipped with input assembly in the opening frame, input assembly left side is equipped with left side shrouding, the second opening is seted up to box assembly welding right-hand member, be equipped with resonance capacitor module in the second opening, resonance capacitor module right side is equipped with right side shrouding.

Further, be equipped with left epoxy guard plate between quick-witted structure and the left qianmen that charges, be equipped with right epoxy guard plate between quick-witted structure and the right qianmen that charges, be equipped with the middle baffle between three-phase reactor and the three-phase water-cooling high frequency transformer, the box below is equipped with four damping device, and every damping device includes bumper shock absorber base and bumper shock absorber, the bumper shock absorber is located in the bumper shock absorber base, top shrouding top is equipped with four rings, box assembly welding left end is equipped with communication interface, input port and delivery outlet, communication interface locates the delivery outlet top, the delivery outlet rear is located to the input port, the bottom is equipped with delivery port and water inlet in the box assembly welding, the delivery port is located the water inlet left side.

The utility model has the beneficial effects that:

the utility model relates to a water-cooling vehicle-mounted charger structure, which is characterized in that the input is three-phase power frequency 380V commercial power, the output is lithium battery, frequency converter, fan, heater and the like, and a three-phase PFC rectification, high-frequency LLC resonant soft switch isolation conversion and Buck chopper circuit are formed by a first module, a second module, a resonant capacitor module, a three-phase reactor and a three-phase water-cooling high-frequency transformer.

Drawings

Fig. 1 is an overall structure diagram of a water-cooled vehicle-mounted charger.

Fig. 2 is a schematic diagram of a water-cooled vehicle-mounted charger.

Fig. 3 is a block diagram of a water-cooled vehicle-mounted charger structure.

Fig. 4 is a rear view of a case of a water-cooled vehicle-mounted charger structure.

Fig. 5 is a first module structure diagram of a water-cooled vehicle-mounted charger structure.

Fig. 6 is a second block diagram of a water-cooled vehicle-mounted charger structure.

Fig. 7 is a diagram showing a structure of a resonance capacitor module of a water-cooled vehicle-mounted charger.

Fig. 8 is a box assembly welding structure diagram of a water-cooled vehicle-mounted charger structure.

Fig. 9 is a block diagram of an input assembly of a water-cooled vehicle-mounted charger.

Fig. 10 is a diagram showing the structure of an output assembly of a water-cooled vehicle-mounted charger.

In the figure: the charger structure 1, the box 2, the first module 3, the second module 4, the resonant capacitor module 5, the first group of resonant capacitors 501, the second group of resonant capacitors 502, the three-phase reactor 6, the three-phase water-cooled high-frequency transformer 7, the box assembly welding 8, the top sealing plate 9, the left front door 10, the right front door 11, the left side sealing plate 12, the right side sealing plate 13, the switch assembly 14, the circuit breaker 15, the input assembly 16, the plurality of current sensors 161, the first group of insulators 162, the second group of insulators 163, the third group of insulators 164, the first group of interfaces 165, the second group of interfaces 166, the third group of interfaces 167, the indicator light 168, the output assembly 17, the contactor bottom plate 171, the switch box base 172, the first group of contactors 173, the second group of contactors 174, the third group of contactors 175, the first thin film capacitor assembly 18, the first group of thin film capacitors 181, the fan 182, the DC/DC converter 183, the second thin film capacitor assembly 19, the water cooling plate 20, the damper device 21, the communication interface 22, the input port 23, and the output port 24.

Detailed Description

The following description of the embodiments of the present utility model is given with reference to fig. 1 to 10 and the related examples, but the embodiments of the present utility model are not limited to the following examples, and the present utility model relates to the relevant essential components in the field, and should be regarded as known and understood by those skilled in the art.

The utility model provides a water-cooling vehicle-mounted charger structure, including charger structure 1 and box 2, the inside box 2 is located to charger structure 1, as shown in fig. 2, charger structure 1 includes first module 3, second module 4, resonant capacitor module 5, three-phase reactor 6 and three-phase water-cooling high frequency transformer 7, the top of charger structure 1 is located to first module 3 and second module 4, first module 3 locates the second module 4 left side, first module 3 below is located to three-phase reactor 6, three-phase water-cooling high frequency transformer 7 locates the second module 4 below, resonant capacitor module 5 locates three-phase water-cooling high frequency transformer 7 right side, first module 3 adopts the copper bar to connect second module 4 and three-phase reactor 6, second module 4 adopts the copper bar to connect resonant capacitor module 5 and three-phase water-cooling high frequency transformer 7.

As shown in fig. 5, the first module 3 includes a switch assembly 14, a circuit breaker 15, an input assembly 16 and an output assembly 17, the switch assembly 14 is disposed at the top end of the first module 3, the output assembly 17 is disposed below the switch assembly 14, the input assembly 16 is disposed at the left side of the switch assembly 14, the circuit breaker 15 is disposed between the input assembly 16 and the switch assembly 14, the input assembly 16 and the output assembly 17 are connected by copper bars, the input assembly 16 and the circuit breaker 15 are connected by copper bars, the circuit breaker 15 is used for distributing electric energy, and can not be frequently opened, and can be used for switching on or switching off a load circuit, so as to protect a circuit.

The switch assembly 14 comprises a switch device and a switch box, the switch device is arranged in the switch box, a small incision is formed in the left side of the switch box, a knob is arranged in the small incision, the knob is connected with the circuit breaker 15 through a wire, a switch box base is arranged below the switch box, and the switch assembly 14 is used for controlling the circuit breaker 15.

As shown in fig. 9, the input assembly 16 includes a plurality of current sensors, a first set of insulators 162, a second set of insulators 163, a first set of interfaces 165, a second set of interfaces 166, a third set of interfaces 167, and five indicator lamps 168, the plurality of current sensors are disposed on the left side of the circuit breaker 15, and a current sensor board is disposed between the plurality of current sensors 161 and the circuit breaker 15 for isolating the plurality of current sensors 161 from the circuit breaker 15.

The first group of interfaces 165 are arranged at the top end of the opening frame, the second group of interfaces are combined with the third group of interfaces to be arranged at the bottom end of the opening frame, the second group of interfaces 166 are arranged at the rear of the third group of interfaces 167, five indicator lamps 168 are arranged at the front end of the opening frame in a longitudinal arrangement mode, and the five indicator lamps 168 are sequentially divided into two alternating current indicator lamps, 24V output indicator lamps, operation indicator lamps and fault indicator lamps from top to bottom, so that the internal condition of the charger can be observed conveniently.

The first group of insulators 162 is arranged below the plurality of current sensors 161 and is connected with the circuit breaker 15 through copper bars, the copper bars penetrate through the current sensors, the current sensors are mainly circuits for monitoring current by measuring voltage drops on resistors arranged on a current path, the first group of insulators 162 is used for fixing and insulating the current sensors and other conductors, the second group of insulators 163 is arranged below the first group of interfaces 165, the second group of insulators 163 is used for fixing the first group of interfaces 165, the third group of insulators 164 is arranged above the second group of interfaces 166, the third group of insulators 164 is used for fixing the second group of interfaces 166, and the third group of interfaces 166 are used for sampling signals with four cores and three-phase alternating current input signals.

As shown in fig. 10, the bottom of the output assembly 17 is provided with a contactor base 171, a switch box base, three sets of contactors including a first set of contactors 173, a second set of contactors 174 and a third set of contactors 175, which are commonly used for controlling a motor, are provided on the contactor base 171, and a first set of contactors 173 arranged in the front-rear direction and a resistor arranged in the front-rear direction are provided in the switch box base because they can rapidly cut off the ac and dc main circuits and frequently turn on and off the large current control circuit.

The second group of contactors 174 and the third group of contactors 175 are arranged along the left-right direction and are arranged at the rear end of the contactor bottom plate 171, a plurality of schottky diodes are arranged between the second group of contactors 174 and the third group of contactors 175, the forward voltage drop VF is smaller, the forward voltage drop is much smaller under the same current condition, the rectification function is performed in the circuit, in addition, the recovery time is short, two current sensors are arranged at the right side of the second group of contactors 174, and a fuse is arranged between the second group of contactors 174 and the switch base for protecting the current.

As shown in fig. 6, the second module 4 includes a first thin film capacitor assembly 18 and a second thin film capacitor assembly 19, the first thin film capacitor assembly 18 is disposed above the second thin film capacitor assembly 19, the first thin film capacitor assembly 18 and the second thin film capacitor assembly 19 are provided with a water cooling plate 20, the first thin film capacitor assembly 18 includes a first group of thin film capacitors 181 and a fan 182, the second thin film capacitor assembly 19 includes a second group of thin film capacitors, the second thin film capacitor assembly 19 is disposed below the water cooling plate 20, the thin film capacitors are non-polar, have high insulation resistance, excellent frequency response and wide frequency response, and have little dielectric loss, thereby improving the operation performance of the charger.

As shown in fig. 7, a fan 182 is disposed at the top end of the first thin film capacitor assembly 18, a first group of thin film capacitors 181 is disposed below the fan 182, a water cooling plate 20 is disposed below the first group of thin film capacitors 181, a power diode and a DC/DC converter 183 are disposed above the water cooling plate 20, the power diode is used for rectifying and stabilizing voltage, and the DC/DC converter 183 is used for reducing voltage of the circuit.

The resonant capacitor module 5 includes a first set of resonant capacitors 501 and a second set of resonant capacitors 502, where the first set of resonant capacitors 501 is disposed above the second set of resonant capacitors 502, and the resonant capacitors are circuit components, often connected in parallel with the capacitors, and when the capacitors discharge, the inductors begin to have a reverse recoil current, and the inductors charge, and when the voltage of the inductors reaches the maximum, the capacitors discharge, and then the inductors begin to discharge, and the capacitors begin to charge, so that the reciprocating operation is called resonance. The resonance capacitor generates resonance phenomenon in the circuit, so that the performance of the circuit is optimized, meanwhile, signals which are not needed by the circuit are filtered, and the stability and the reliability of the circuit are improved.

The charger structure 1 comprises a first module 3 and a three-phase reactor 6 to form three-phase PFC rectification, a second module 4, a resonant capacitor module 5 and a three-phase water-cooled high-frequency transformer 7 to form a high-frequency LLC resonant soft switch isolation conversion and Buck chopper circuit, wherein the three-phase PFC circuit converts an input alternating current signal into a direct current signal through an AC/DC converter, and the Buck chopper circuit filters and reduces the direct current signal through the DC/DC converter.

The three-phase PFC circuit converts an input alternating current signal into a direct current signal through the AC/DC converter and carries out power factor correction on the input electric signal, the current signal after power factor correction is output, the stability of output current and voltage is ensured by a voltage stabilizing capacitor at the direct current side of the three-phase PFC circuit, the bidirectional flow of power is supported, the input current THD is low, the power factor is high, various control algorithms are easy to realize in control aspect, and the three-phase PFC circuit is widely applied in industry, wherein the three-phase reactor 6 is a technical electric appliance, can effectively reduce the over-current and overvoltage phenomena in a power grid, and protects the electric appliance circuit of the power grid from being interfered by the power system.

The LLC resonant soft switch isolation conversion can realize the soft switch function, so the LLC resonant soft switch isolation conversion has the advantage of high efficiency, the direct-current voltage gain is flexible, the voltage regulation range is wide, and the output is free of filter inductance, but the LLC resonant half-bridge resonant circuit is adopted by the LLC resonant soft switch isolation conversion device, compared with a full-bridge LLC converter, the LLC resonant half-bridge converter has the biggest advantage that the LLC resonant soft switch isolation conversion device can realize the soft switch, the soft switch has the low-loss advantage, the three-phase water-cooling high-frequency transformer 7 is adopted to realize the electric isolation function while the output voltage and current range is enlarged, and compared with the traditional two-level Buck circuit, the Buck circuit can greatly reduce the volt-second of the inductance, thereby reducing the inductance volume, improving the power density of products and reducing the volume of a charger.

As shown in fig. 3, fig. 4 and fig. 8, the box 2 includes box assembly welding 8, top seal plate 9, left front door 10, right front door 11, left side shrouding 129 and right side shrouding 139, box assembly welding 8 locates the box 2 rear end, top seal plate 9 locates the top of box 2, left front door 10 and right front door 11 locate the box 2 front end, left front door 10 locates right front door 11 left side, box assembly welding 8 left end sets up first opening, first opening left side is equipped with the opening frame, be equipped with input subassembly 16 in the opening frame, input subassembly 16 left side is equipped with left side shrouding 129, box assembly welding 8 right-hand member sets up the second opening, be equipped with resonance capacitor module 5 in the second opening, resonance capacitor module 5 right side is equipped with right side shrouding 139, be equipped with left epoxy guard between charger structure 1 and the left front door 10, be equipped with right epoxy guard between charger structure 1 and the right front door 11, be equipped with the middle baffle between three-phase water-cooled high frequency transformer 7, the effect that epoxy guard plate plays thermal-insulated and insulating effect when the staff opens the front door of charging.

As shown in fig. 1, four shock absorbing devices 21 are arranged below the box body 2, each shock absorbing device comprises a shock absorber base and a shock absorber, the shock absorber is arranged inside the shock absorber base, the shock absorbing effect is enhanced, a charger is protected, four hanging rings are arranged above the top sealing plate 9, the charger is convenient to transport, shockproof door locks are respectively arranged between the left front door 10, the right front door 11 and the box body 2 frame, the safety of the charger is guaranteed, a communication interface 22, an input port 23 and an output port 24 are arranged at the left end of the box body assembly welding 8, the communication interface 22 is arranged above the output port 24, the input port 23 is arranged behind the output port 24, a water outlet and a water inlet are arranged at the bottom of the box body assembly welding 8, and the water outlet is arranged at the left side of the water inlet.

The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.

Claims (10)

1. The water-cooling vehicle-mounted charger structure is characterized by comprising a charger structure (1) and a box body (2), wherein the charger structure (1) is arranged inside the box body (2), the charger structure (1) comprises a first module (3), a second module (4), a resonant capacitor module (5), a three-phase reactor (6) and a three-phase water-cooling high-frequency transformer (7), the first module (3) and the second module (4) are arranged at the top end of the charger structure (1), the first module (3) is arranged at the left side of the second module (4), the three-phase reactor (6) is arranged below the first module (3), the three-phase water-cooling high-frequency transformer (7) is arranged below the second module (4), the resonant capacitor module (5) is arranged at the right side of the three-phase water-cooling high-frequency transformer (7), the first module (3) is electrically connected with the second module (4) and the three-phase water-cooling high-frequency transformer (7), and the second module (4) is electrically connected with the resonant capacitor module (5) and the three-phase water-cooling high-frequency transformer (7).

The box (2) is including box assembly welding (8), top sealing plate (9), left qianmen (10), right qianmen (11), left side shrouding (12) and right side shrouding (13), box (2) rear end is located in box assembly welding (8), the top of box (2) is located in top sealing plate (9), box (2) front end is located in left qianmen (10) and right qianmen (11), right qianmen (11) left side is located in left qianmen (10), box (2) left end is located in left side shrouding (12), box (2) right-hand member is located in right side shrouding (13).

2. The water-cooled vehicle-mounted charger structure according to claim 1, wherein the first module (3) comprises a switch assembly (14), a circuit breaker (15), an input assembly (16) and an output assembly (17), the switch assembly (14) is arranged at the top end of the first module (3), the output assembly (17) is arranged below the switch assembly (14), the input assembly (16) is arranged at the left side of the switch assembly (14), the circuit breaker (15) is arranged between the input assembly (16) and the switch assembly (14), the input assembly (16) is electrically connected with the output assembly (17), and the input assembly (16) is electrically connected with the circuit breaker (15).

3. The water-cooled vehicle-mounted charger structure according to claim 1, wherein the second module (4) comprises a first thin film capacitor assembly (18) and a second thin film capacitor assembly (19), the first thin film capacitor assembly (18) is arranged above the second thin film capacitor assembly (19), and a water cooling plate (20) is arranged between the first thin film capacitor assembly (18) and the second thin film capacitor assembly (19).

4. The water-cooled vehicle-mounted charger structure according to claim 1, wherein the resonance capacitor module (5) comprises a first set of resonance capacitors (501) and a second set of resonance capacitors (502), and the first set of resonance capacitors (501) is disposed above the second set of resonance capacitors (502).

5. The water-cooled vehicle-mounted charger structure according to claim 2, wherein the switch assembly (14) comprises a switch device (141) and a switch box (142), the switch device (141) is arranged in the switch box (142), a switch box base (172) is arranged below the switch box (142), the input assembly (16) comprises a plurality of current sensors (161), a first group of insulators (162), a second group of insulators (163), a third group of insulators (164), a first group of interfaces (165), a second group of interfaces (166), a third group of interfaces (167) and five indicator lamps (168), and the plurality of current sensors (161) are arranged on the left side of the circuit breaker (15).

6. The water-cooled vehicle-mounted charger structure according to claim 2, wherein a contactor base plate (171) is arranged at the bottom of the output assembly (17), and a switch box base (172), a first group of contactors (173), a second group of contactors (174), a third group of contactors (175), two current sensors and a resistor group are arranged on the contactor base plate (171).

7. A water-cooled vehicle-mounted charger structure according to claim 3, wherein the first thin film capacitor assembly (18) comprises a first group of thin film capacitors (181) and a fan (182), a power diode and a DC/DC converter (183) are arranged above the water cooling plate (20), and the second thin film capacitor assembly (19) comprises a second group of thin film capacitors.

8. The water-cooling vehicle-mounted charger structure according to claim 1, wherein a first opening is formed in the left end of the box assembly welding (8), an opening frame is arranged on the left side of the first opening, an input assembly (16) is arranged in the opening frame, a left side sealing plate (12) is arranged on the left side of the input assembly (16), a second opening is formed in the right end of the box assembly welding (8), a resonant capacitor module (5) is arranged in the second opening, and a right side sealing plate (13) is arranged on the right side of the resonant capacitor module (5).

9. The water-cooled vehicle-mounted charger structure according to claim 1, wherein a left epoxy protection plate is arranged between the charger structure (1) and a left front door (10), a right epoxy protection plate is arranged between the charger structure (1) and a right front door (11), and a middle partition plate is arranged between the three-phase reactor (6) and the three-phase water-cooled high-frequency transformer (7).

10. The water-cooled vehicle-mounted charger structure according to claim 1, wherein four shock absorbing devices (21) are arranged below the box body (2), four hanging rings are arranged above the top sealing plate (9), a communication interface (22), an input port (23) and an output port (24) are arranged at the left end of the box body assembly welding (8), the communication interface (22) is arranged above the output port (24), and the input port (23) is arranged behind the output port (24).