Portable special vehicle charger with adjustable charging curve and charger assembly

Abstract

The utility model discloses a portable special vehicle charger with an adjustable charging curve, and the charger assembly comprises a housing. Heat dissipation teeth are installed outside the shell, and a fan is installed in the heat dissipation teeth. A digital display PCB is installed in the shell, a digital display PCB wire harness is arranged between the PCB and a digital display panel installed outside the shell, and the PCB is electrically connected with the digital display panel through the digital display PCB wire harness. A bottom plate is fixedly mounted at the bottom of the shell; heat dissipation teeth, arc-shaped heat dissipation grooves and corresponding fans are arranged, so that heat dissipation can be carried out on the equipment; the integrality of an electronic device of the PCB can be enhanced after the sealant is poured into the shell and cured, the waterproof, moisture-proof, dustproof, insulating, heat-conducting, confidential, anti-corrosion, temperature-resistant and shockproof effects are achieved, the sealant is dispensed on the shell after heat-conducting mud is pasted on the PCB and parameters of the charger are calibrated, then the bottom plate is installed, the gap between the shell and the bottom plate can be reduced, and the reliability of the shell is improved. The sealing effect is enhanced, and the good waterproof performance is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of chargers, and in particular to a portable special vehicle charger with adjustable charging curve and a charger assembly. Background Art

[0002] At present, the chargers on the market are mainly divided into lithium battery chargers and lead-acid battery chargers. The electrochemical properties of lithium batteries and lead-acid batteries are different, so their charging principles are also different. Lithium battery chargers usually use constant voltage and constant current charging, that is, constant current charging is used in the initial charging stage, and constant voltage charging is used after charging to a certain voltage until the battery is fully charged. Lead-acid battery chargers need to use different charging methods, such as constant current charging, constant voltage charging and floating charging, etc., which usually need to be adjusted according to the battery model and capacity.

[0003] The charger can only meet the single charging mode of lithium battery or lead-acid battery, which limits customers' choices and cannot meet the market demand well.

[0004] The utility model mainly provides a portable charging method with an adjustable charging curve, which can be switched through a "digital display panel" to meet the charging requirements of lithium batteries or lead-acid batteries. The charger has as many as 10 commonly used battery curves on the market built in, and has good market prospects. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art and propose a portable special vehicle charger with adjustable charging curve and a charger assembly, including a housing;

[0006] The outer portion of the housing is provided with heat dissipation teeth, and the inner portion of the heat dissipation teeth is provided with a fan;

[0007] A digital display PCB board is installed inside the housing, a digital display PCB board harness is arranged between the PCB board and a digital display panel installed outside the housing, and the PCB board and the digital display panel are electrically connected through the digital display PCB board harness;

[0008] A bottom plate is fixedly installed on the bottom of the shell.

[0009] Preferably, a ventilation hole is provided on the shell, a ventilation valve seat is installed on the ventilation hole, and a ventilation valve is installed on the ventilation valve seat.

[0010] Preferably, the heat dissipation teeth are provided with arc-shaped heat dissipation grooves which can achieve good heat dissipation efficiency.

[0011] Preferably, a fan harness is also provided between the fan and the PCB board, and one end of the fan harness away from the fan is fixed to a fixed harness terminal on the PCB board.

[0012] Preferably, a handle cover is buckled and installed on the upper part of the shell, and a handle is provided in the middle of the handle cover.

[0013] Preferably, a heat dissipation hole is also provided on the handle cover, a fan mesh cover is installed in the heat dissipation hole, and the fan mesh cover is located directly above the fan.

[0014] Preferably, a wiring harness mounting seat is provided on one side of the housing, and a waterproof wiring harness is passed through the wiring harness mounting seat, and the waterproof wiring harness is correspondingly installed on the terminals for inputting electric energy, outputting electric energy, and transmitting signals on the PCB board.

[0015] Preferably, thermal conductive mud is affixed to the PCB board.

[0016] Preferably, the potting glue inside the shell can strengthen the integrity of the electronic components on the PCB board after curing, and play the role of waterproof and moisture-proof, dust-proof, insulating, heat-conductive, confidential, anti-corrosion, temperature-resistant and shock-proof.

[0017] Preferably, a sealant is disposed between the PCB board and the housing.

[0018] Compared with the existing technology, the utility model has the following beneficial effects: the charger of the utility model is suitable for various special vehicle models. The system charger adopts PFC+LLC architecture as the main power topology circuit, microcomputer measurement and control, and full digital setting. It not only has a wide input voltage range, but also can accurately monitor various states of the battery to avoid overcharging, thereby extending the service life of the battery.

[0019] The utility model charger can be adapted to lead-acid batteries and lithium batteries. The charger has multiple built-in battery curves, which users can switch through the "digital display panel". The digital display panel can display the current battery capacity, charger input voltage, output current, output voltage, and fault information, making it convenient for customers to view the current charging value and fault cause.

[0020] It has functions such as AC input over-voltage and under-voltage protection, overheat protection, battery reverse connection protection, output short circuit protection, output overvoltage protection, temperature compensation, etc. It is safe and reliable to use. And the protection level is designed according to IP67 standard.

[0021] In addition, the charger can effectively dissipate heat through the heat dissipation teeth, arc-shaped heat dissipation grooves and corresponding fans. By applying thermal mud on the PCB board, applying sealant to the outer shell after the charger calibrates the parameters, and then installing the bottom plate, the gap between the outer shell and the bottom plate can be reduced, the sealing effect can be enhanced, and good waterproof performance can be achieved. The digital display panel sticker is installed to facilitate users to clearly observe the operating status of the charger and set the charging curve. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1This is a schematic diagram of the overall structure of a portable special vehicle charger with adjustable charging curve and a charger assembly proposed by the utility model;

[0023] Figure 2 The utility model provides an exploded schematic diagram of the overall structure of a portable special vehicle charger with adjustable charging curve and a charger assembly. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] Referring to the drawings, this embodiment provides a portable special vehicle charger with adjustable charging curve and a charger assembly, including a housing 4;

[0026] The outer portion of the housing is provided with a heat dissipation tooth 11, and the inner portion of the heat dissipation tooth 11 is provided with a fan 3;

[0027] A PCB board 9 is installed inside the housing, a digital display PCB board harness is provided between the PCB board 9 and a digital display panel 6 installed outside the housing 4, and the PCB board 9 and the digital display panel 6 are electrically connected through the digital display PCB board harness;

[0028] A bottom plate 10 is fixedly mounted on the bottom of the housing 4 .

[0029] Furthermore, a vent hole is formed on the housing 4 , a vent valve seat is installed on the vent hole, and a vent valve 5 is installed on the vent valve seat.

[0030] Furthermore, the heat dissipation teeth 11 are provided with arc-shaped heat dissipation grooves which can achieve good heat dissipation efficiency.

[0031] Furthermore, a fan harness is also provided between the fan 3 and the PCB board 9 , and one end of the fan harness away from the fan is fixed to a fixed harness terminal on the PCB board 9 .

[0032] Furthermore, a handle cover 2 is buckled and installed on the upper part of the housing 4, and a handle 1 is provided in the middle of the handle cover 2.

[0033] Furthermore, a heat dissipation hole is provided on the handle cover 2 , a fan mesh cover is installed in the heat dissipation hole, and the fan mesh cover is located directly above the fan 3 .

[0034] Furthermore, a wiring harness mounting seat 7 is provided on one side of the housing 4, and a waterproof wiring harness 8 is passed through the wiring harness mounting seat 7. The waterproof wiring harness 8 is correspondingly mounted on the terminals for inputting electric energy, outputting electric energy, and transmitting signals on the PCB board 9.

[0035] Furthermore, heat-conducting mud is attached to the PCB board 9 .

[0036] Furthermore, the potting glue inside the shell 4 can strengthen the integrity of the electronic components on the PCB board after curing, and play the role of waterproofing, moisture-proofing, dust-proofing, insulation, heat conduction, confidentiality, corrosion resistance, temperature resistance, and shock resistance.

[0037] Furthermore, a sealant is disposed between the PCB board 9 and the housing 4 .

[0038] Working principle:

[0039] When the device is installed as a whole, first, the fan 03 is fastened to the heat dissipation teeth 11 on the housing 04, and the fan 03 wiring harness is fixed in place with glue, which can play a good role in fixing, sealing and waterproofing, and the breathable valve 05 is installed to the breathable valve seat of the housing 04. The heat dissipation teeth 11 on the outside of the housing 03 can achieve good heat dissipation efficiency through the arc-shaped heat dissipation groove. The digital display PCB board is installed inside the housing 04, and thermal grease is applied, a phase change film is attached, and thermal conductive gel is applied on the phase change film, which can improve the heat dissipation efficiency, speed up the heat transfer speed, and thus improve the working efficiency of the charger. The bottom of the housing 03 is filled with glue, which can strengthen the integrity of the electronic devices on the PCB board 09 after curing, and play a role in waterproofing, moisture-proofing, dustproofing, insulation, heat conduction, confidentiality, corrosion resistance, temperature resistance, and shock resistance. Place PCB board 09 in the housing 04 and fasten it with corresponding bolts. Plug the digital display PCB board harness and fan harness into the terminals of PCB board 09. Install the input, output and signal harnesses and fasten them to the harness mounting seat 07 with bolts. The waterproof harness 08 is connected to the harness mounting seat to provide good waterproof performance and provide safe and reliable electrical and signal connections for the product. Fix the harness terminals, apply thermal paste to PCB board 09, apply sealant to the housing 04 after the charger calibrates the parameters, and then install the bottom plate 10 to reduce the gap between the housing 04 and the bottom plate 10, strengthen the sealing effect, and provide good waterproof performance. Install the digital display panel sticker 06 to facilitate users to clearly observe the operating status of the charger and set the charging curve. The handle cover 02 (fan mesh cover) is connected and fastened to the housing 04, and the handle 01 is connected and fastened to the handle cover 02.

[0040] The charger mentioned in the above embodiments and working principles is suitable for various special vehicle models. The charger of this system adopts PFC+LLC architecture as the main power topology circuit, microcomputer measurement and control, and full digital setting. It not only has a wide input voltage range, but also can accurately monitor various states of the battery to avoid overcharging, thereby extending the service life of the battery.

[0041] The utility model charger can be adapted to lead-acid batteries and lithium batteries. The charger has multiple built-in battery curves, which users can switch through the "digital display panel". The digital display panel can display the current battery capacity, charger input voltage, output current, output voltage, and fault information, making it convenient for customers to view the current charging value and fault cause.

[0042] It has functions such as AC input over-voltage and under-voltage protection, overheat protection, battery reverse connection protection, output short circuit protection, output overvoltage protection, temperature compensation, etc. It is safe and reliable to use. And the protection level is designed according to IP67 standard.

[0043] In addition, the charger can effectively dissipate heat through the heat dissipation teeth, arc-shaped heat dissipation grooves and corresponding fans. By applying thermal mud on the PCB board, applying sealant to the outer shell after the charger calibrates the parameters, and then installing the bottom plate, the gap between the outer shell and the bottom plate can be reduced, the sealing effect can be enhanced, and good waterproof performance can be achieved. The digital display panel sticker is installed to facilitate users to clearly observe the operating status of the charger and set the charging curve.

[0044] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A portable special vehicle charger with adjustable charging curve and a charger assembly, characterized in that: comprising a housing (4); A heat dissipation tooth (11) is installed outside the housing, and a fan (3) is installed inside the heat dissipation tooth (11); A PCB board (9) is installed inside the housing, a digital display PCB board harness is provided between the PCB board (9) and a digital display panel (6) installed outside the housing (4), and the PCB board (9) and the digital display panel (6) are electrically connected via the digital display PCB board harness; A bottom plate (10) is fixedly mounted on the bottom of the housing (4).

2. The portable special vehicle charger and charger assembly with adjustable charging curve according to claim 1 is characterized in that: The housing (4) is provided with an air vent hole, a air vent valve seat is mounted on the air vent hole, and an air vent valve (5) is mounted on the air vent valve seat.

3. The portable special vehicle charger and charger assembly with adjustable charging curve according to claim 1, characterized in that: The heat dissipation teeth (11) are provided with arc-shaped heat dissipation grooves which can achieve good heat dissipation efficiency.

4. The portable special vehicle charger and charger assembly with adjustable charging curve according to claim 1, characterized in that: A fan harness is also provided between the fan (3) and the PCB board (9), and one end of the fan harness away from the fan is fixed to a fixed harness terminal on the PCB board (9).

5. The portable special vehicle charger and charger assembly with adjustable charging curve according to claim 1 is characterized in that: A handle cover (2) is buckled and installed on the upper part of the shell (4), and a handle (1) is arranged in the middle of the handle cover (2).

6. The portable special vehicle charger and charger assembly with adjustable charging curve according to claim 5, characterized in that: The handle cover (2) is also provided with a heat dissipation hole, a fan mesh cover is installed in the heat dissipation hole, and the fan mesh cover is located directly above the fan (3).

7. The portable special vehicle charger and charger assembly with adjustable charging curve according to claim 1, characterized in that: A wiring harness mounting seat (7) is provided on one side of the housing (4), and a waterproof wiring harness (8) is passed through the wiring harness mounting seat (7). The waterproof wiring harness (8) is mounted correspondingly on terminals for inputting electric energy, outputting electric energy, and transmitting signals on a PCB board (9).

8. The portable special vehicle charger and charger assembly with adjustable charging curve according to claim 1, characterized in that: The PCB board (9) is pasted with heat-conducting mud.

9. The portable special vehicle charger and charger assembly with adjustable charging curve according to claim 1, characterized in that: The shell (4) is filled with sealing glue.

10. The portable special vehicle charger and charger assembly with adjustable charging curve according to claim 1, characterized in that: Sealant is provided between the PCB board (9) and the housing (4).

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