TW202304098A - Constant-voltage constant-current power charger capable of using the mains electricity to directly charge the rechargeable batteries of hydraulic hybrid vehicles of various brands - Google Patents

Abstract

The present invention provides a constant-voltage constant-current power charger, in which the single AC power supplied by the mains electricity is converted into the first, second to N-th AC powers through a transformer and at least three switching buttons, and then the first, second to N-th AC powers are converted and outputted by a bridge rectifier, a constant-voltage transformer, and a constant-current unit, so as to respond to the charging of rechargeable batteries for hydraulic hybrid vehicles of various brands. For example, in case that the charging voltage of A-brand hybrid vehicles is 255V, the charging voltage of B-brand hybrid vehicles is 180V, and so on, the AC power of 220V of the mains electricity is used to charge the rechargeable batteries of the hybrid vehicles of various brands. As a result, the mains electricity can be used to directly charge the rechargeable batteries of hydraulic hybrid vehicles of various brands, thereby achieving the practical advance in usage convenience.

Description

Constant voltage constant current charger

The present invention relates to a constant-voltage constant-current charger, especially an innovation that can charge the rechargeable batteries of gasoline-electric hybrid vehicles of various brands with 220V alternating current of the mains, thereby making the present invention convenient to use, practical and progressive. structural designer.

By the way, due to the rising awareness of environmental protection, gasoline-electric hybrid vehicles that comply with energy saving and carbon reduction have been successfully developed and gradually become the mainstream of future transportation. However, hybrid vehicles use batteries as the source of power, and are powered by gasoline fuel when the batteries are dead. Therefore, the most important link is the capacity and power consumption of the batteries. Gasoline-electric hybrid vehicles are equipped with start-up batteries and power batteries. , wherein the voltage of the starting battery is lower than the voltage of the power battery, the starting battery provides power to the starter motor, so that the starter motor can start the fuel engine to run, the fuel engine drives the on-board generator to generate electricity, and the on-board generator supplies the recharging power to the power battery , and then the power battery charges the starting battery through the step-down module, so that the storage of the starting battery and the power battery will not be exhausted, and the fuel engine and power motor can provide power. Mode or motor power mode or engine power and motor power hybrid mode, etc., and the battery provides a large current output to the power motor, and when the gasoline-electric hybrid vehicle is used as a short-distance transportation tool in an urban area, it is less continuous Long-distance driving in the engine power mode, the recharging power provided by the on-board generator to the power battery is often difficult to fully charge the power battery, and the charging voltage value of each brand of hydraulic hybrid vehicle is different, such as A brand gasoline-electric The charging voltage of the hybrid car is 255V, and the charging voltage of the gasoline-electric hybrid car of the B brand is 180V. The 220V AC of the city power cannot charge the gasoline-electric hybrid cars of various brands. The trouble with charging the car.

That is, the main purpose of the present invention is to provide a constant voltage and constant current charger; the problem it intends to solve is to address the known inability to charge gasoline-electric hybrid vehicles of various brands, which will easily cause car owners to face difficulties. Improve and break through the troublesome problems of charging the car directly with the mains electricity;

The technical characteristics of its solution to the problem mainly include a machine base, one end of which is provided with a control panel, the other end is provided with a mains terminal, and the inside of the machine base is provided with a power switch; Connect the predetermined position of the power switch, the voltage adjustment adjustment unit includes a transformer, the transformer is electrically connected to a DC bus bar, and the DC bus bar is electrically connected to an adjustment switch button group, the adjustment switch button group includes at least three A switching button, the direct current busbar distributes the voltage generated by converging to the at least three switching buttons for voltage lifting and load adjustment control; a central processing unit is electrically connected to the predetermined position of the voltage transformation adjustment unit, and the central processing unit includes There is a bridge rectifier, the bridge rectifier is electrically connected to a constant voltage transformer, the constant voltage transformer is electrically connected to a constant current unit, and a predetermined position inside the central processing unit is electrically connected to a voltmeter and an ammeter, so that The voltmeter and the ammeter are arranged on the end face of the control panel; a battery charging unit is electrically connected to the predetermined position of the central processing unit;

In this way, the present invention converts the single AC power supplied by the commercial power into the first, second to N types of AC power through the transformer and at least three switching buttons, and then converts the output through the bridge rectifier, the constant voltage transformer and the constant current unit. , to cope with the rechargeable battery storage of various brands of hydraulic hybrid vehicles. For example, the charging voltage of A-brand hybrid vehicles is 255V, and the charging voltage of B-brand hybrid vehicles is 180V. Alternating current charges the rechargeable batteries of various brands of oil-electric hybrid vehicles, and then can directly use the mains power to store electricity for the rechargeable batteries of various brands of hydraulic hybrid vehicles, thereby making the present invention practical and progressive in terms of convenience in use.

In order to enable your examiner to have a further in-depth understanding of the present invention, a preferred embodiment is hereby listed, and it is described in conjunction with the drawings as follows:

Please refer to Figures 1 to 10, the constant voltage and constant current charger of the present invention includes:

A machine base A, one end of the machine base A is provided with a control panel G, and the other end is provided with a mains terminal A1, the inside of the machine base A is provided with a power switch 10, wherein the power switch 10 is provided with a power indicator light 11 at a predetermined position, The power indicator light 11 is set at a predetermined position of the control panel G, and the control panel G further includes a voltage display panel H, the current generated by the power switch 10 and the mains terminal A1 is a single alternating current B1;

A voltage-transformation adjustment unit B is electrically connected to a predetermined position of the power switch 10, the voltage-transformation adjustment unit B includes a transformer B2, the single AC power B1 enters the transformer B2 for conversion, and the transformer B2 is electrically connected to a DC power Bus B3, the DC bus B3 contains a DC voltage of 220V, 0V, 380V, 110V, 415V and 440V, the DC bus B3 is electrically connected to an adjustment switch group B4, the adjustment switch B4 group includes At least three switch buttons, the at least three switch buttons included in the adjustment switch button group B4 respectively include a first switch button B41, a second switch button B42 and a third switch button B43 in this embodiment. In the current situation, there is no upper limit to increase the switching buttons to achieve various voltage values, such as the fourth switching button to the Nth switching button, and the DC bus bar B3 distributes the converged voltage to the at least three switching buttons for voltage ups and downs Load adjustment control, after adjustment, a converted alternating current C1 is formed;

A central processing unit C is electrically connected to the predetermined position of the transformer adjustment unit B, the central processing unit C includes a bridge rectifier C2, and the bridge rectifier C2 is to enter the converted alternating current C1 into the electrical connection to a constant A voltage transformer C3, the constant voltage transformer C3 is electrically connected to a constant current unit C4, and a predetermined position inside the central processing unit C is electrically connected to a voltmeter E1 and an ammeter E2 for displaying the converted AC current C1 value, so that the voltmeter E1 and the ammeter E2 are arranged on the end face of the control panel G;

A storage battery charging unit F is electrically connected to a predetermined position of the central processing unit C, and is used for charging the rechargeable batteries of hybrid vehicles of various brands by means of the converted alternating current C1.

Please refer to shown in Fig. 7, which is the switch implementation figure 1 of the whole switch button group B4 of the present invention, which shows that the first switch button B41 is loaded, the second switch button B42 is loaded, and the third switch button B43 is loaded. And make this voltage display panel H show as 255V; As shown in the 8th figure, it is the switching implementation figure 2 of the whole switch button group B4 of the present invention, and it shows that this first switch button B41 load reduction, the second switch button B42 Lift the load, the third switch button B43 lifts the load, and the voltage display panel H is displayed as 180V; as shown in Figure 9, it is the switching implementation figure three of the whole switch button group B4 of the present invention, which shows the first The switch button B41 reduces the load, the second switch button B42 increases the load, and the third switch button B43 reduces the load, so that the voltage display panel H is displayed as 288V; Switching implementation Figure 4 shows that the first switching button B41 is de-loading, the second switching button B42 is de-loading, and the third switching button B43 is de-loading, so that the voltage display panel H displays 307V.

Please refer to shown in Fig. 11, which is a flow chart of the steps of the present invention. It mainly changes the single alternating current generated by the mains power supply into the first alternating current, the second alternating current, and after the Nth alternating current, the changed After the AC power enters the bridge rectifier, the constant voltage transformer, and the constant current unit, it is charged to various rechargeable batteries with different input voltages.

In this way, the present invention converts the single AC power B1 supplied by the commercial power into the first, second to N types of AC power through the transformer B2 and at least three switching buttons, and then passes through the bridge rectifier C2, the constant voltage transformer C3 and the constant voltage. The current unit C4 converts the output to cope with the storage of rechargeable batteries of various brands of hydraulic hybrid vehicles. For example, the charging voltage of A-brand hybrid vehicles is 255V, and the charging voltage of B-brand hybrid vehicles is 180V. All the rechargeable batteries of various brands of gasoline-electric hybrid vehicles are charged with the mains 220V alternating current, and then the rechargeable batteries of various brands of hydraulic hybrid vehicles can be directly stored by the mains, so that the present invention achieves convenience in use The practical progress.

Accordingly, the present invention is actually a highly practical and progressive design. However, no similar product or publication has been published, which meets the requirements for a patent application, and the application is filed according to law.

Part of the invention: 10: Power switch 11: Power indicator light A: Frame A1: mains terminal B: Transformer adjustment unit B1: Single AC B2:Transformer B3: DC busbar B4: Adjust switch button group B41: The first switch button B42: Second toggle button B43: The third switching button C: central processing unit C1: Transformed alternating current C2: bridge rectifier C3: constant voltage transformer C4: Constant current unit E1: Voltmeter E2: Ammeter F: battery charging unit G: control panel H: voltage display panel

Figure 1: is the circuit diagram of the constant voltage and constant current charger of the present invention. Figure 2: is a schematic diagram of the adjustment switch button group of the present invention. Figure 3: It is a schematic diagram of the switching of the adjustment switching button group of the present invention, which shows the status of switching and upgrading. Figure 4: It is the second schematic diagram of the switching of the adjustment switching button group of the present invention, which shows the switching load reduction state. Fig. 5: is a top view of the internal device of the constant voltage and constant current charger of the present invention. Fig. 6: is a schematic diagram of the control panel of the present invention. Fig. 7: is the switching implementation diagram 1 of the whole switch button group of the present invention, which shows that the first switch button is loaded, the second switch button is loaded, and the third switch button is loaded, so that the voltage display panel is displayed as 255V. Fig. 8: is the switch implementation diagram 2 of the whole switch button group of the present invention, which shows that the first switch button is loaded, the second switch button is loaded, and the third switch button is loaded, so that the voltage display panel is displayed as 180V. The 9th figure: is the switch implementation figure 3 of the whole switch button group of the present invention, and it shows that the load of the first switch button is reduced, the load of the second switch button is increased, and the load of the third switch button is reduced, so that the voltage display panel is displayed as 288V. Fig. 10: It is the switch implementation figure 4 of the whole switch button group of the present invention, it shows that the load reduction of the first switch button, the load reduction of the second switch button, and the load reduction of the third switch button, so that the voltage display panel is displayed as 307V. Fig. 11: is a flow chart of the steps of the present invention.

10: Power switch

11: Power indicator light

A: Frame

B: Transformer adjustment unit

B1: Single AC

B2:Transformer

B3: DC busbar

B4: Adjust switch button group

B41: The first switch button

B42: Second toggle button

B43: The third switching button

C: central processing unit

C1: Transformed alternating current

C2: bridge rectifier

C3: constant voltage transformer

C4: Constant current unit

E1: Voltmeter

E2: Ammeter

F: battery charging unit

Claims (5)

A constant-voltage constant-current charger comprising: A machine base, one end of the machine base is provided with a control panel, the other end is provided with a mains terminal, and the inside of the machine base is provided with a power switch; A voltage adjustment adjustment unit is electrically connected to the predetermined position of the power switch, the voltage adjustment adjustment unit includes a transformer, the transformer is electrically connected to a DC bus bar, and the DC bus bar is electrically connected to an adjustment switch button group, The adjustment switching button group includes at least three switching buttons, and the direct current busbar distributes the voltage generated by converging to the at least three switching buttons for voltage up-down load adjustment control; A central processing unit, which is electrically connected to the predetermined position of the voltage-transforming adjustment unit, the central processing unit includes a bridge rectifier, and the bridge rectifier is electrically connected to a constant voltage transformer, and the constant voltage transformer is electrically connected to a constant voltage transformer. A flow unit, a predetermined position inside the central processing unit is electrically connected to a voltmeter and an ammeter, so that the voltmeter and the ammeter are arranged on the end surface of the control panel; A storage battery charging unit is electrically connected to a predetermined position of the central processing unit. The constant-voltage constant-current charger as described in Claim 1, wherein a power indicator light is set at a predetermined position of the power switch, and the power light indicator is set at a predetermined position of the control panel. The constant-voltage constant-current charger as described in Claim 1, wherein the at least three switch buttons included in the adjustment switch button group respectively include a first switch button, a second switch button, and a third switch button. The constant voltage and constant current charger according to claim 1, wherein the control panel further includes a voltage display panel. The constant voltage and constant current charger according to claim 1, wherein the DC busbar includes a DC voltage of 220V, 0V, 380V, 110V, 415V and 440V.

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