Garden electric tool charger with voice broadcast and display functions

Abstract

The utility model discloses a garden electric tool charger with voice broadcast and display functions. The garden electric tool charger comprises an AC-DC power supply, an output control and data acquisition unit, a power supply conversion circuit, a voice broadcast circuit, an LCD screen module and a master control circuit. The main control circuit is electrically connected with the output control and data acquisition unit, the voice broadcast circuit and the LCD screen module respectively, the main control circuit is used for analyzing and processing voltage value and current value data acquired by the output control and data acquisition unit to obtain an analysis and processing result, so that a real-time charging state is controlled to be broadcasted by voice; and the LCD screen module is controlled to display a real-time charging state, charging parameters and a safety protection state. According to the technical scheme of the utility model, real-time charging state, charging parameters and safety protection state information can be provided for a user, so that the user can intuitively master the charging process and the working state of the charger, thereby preventing the potential safety hazard existing when the charger charges the garden electric tool.

Description

Technical Field

[0001] The utility model relates to a charger, in particular to a garden electric tool charger with voice broadcast and display functions. Background Art

[0002] The charger is an important device used to charge various devices. During charging, the charger can play multiple roles such as rectification and voltage stabilization.

[0003] However, when the existing chargers on the market are used to charge various devices, especially when using existing chargers to charge garden power tools, users cannot intuitively understand the charging status and charging parameters of the devices and chargers, and it is difficult to know the specific conditions such as the safety protection status of the charger, which will cause users to lack a clear understanding of the charging process and the working status of the charger. It can be seen that there are certain safety hazards in charging devices with existing chargers.

[0004] Therefore, we propose a garden power tool charger which enables users to intuitively grasp the charging process and the working status of the charger and has voice broadcast and display functions. Utility Model Content

[0005] The main purpose of the utility model is to provide a garden electric tool charger with voice broadcast and display functions, aiming to solve the technical problem that the existing charger cannot intuitively grasp the working status of the charger during the charging process.

[0006] To achieve the above-mentioned purpose, the utility model proposes a garden electric tool charger with voice broadcast and display functions, comprising an AC-DC power supply, an output control and data acquisition unit, a power supply conversion circuit, a voice broadcast circuit, an LCD screen module and a main control circuit;

[0007] An AC-DC power supply, wherein the input end of the AC-DC power supply is electrically connected to the mains, and the output end of the AC-DC power supply is electrically connected to the input end of the output control and data acquisition unit and the input end of the power supply conversion circuit, respectively. The AC-DC power supply is used to convert alternating current into direct current, filter out ripples in the output voltage, and regulate the output voltage;

[0008] An output control and data acquisition unit, wherein the output end of the output control and data acquisition unit is electrically connected to the device, and the output control and data acquisition unit is used to charge the device, collect the output voltage value and current value data in real time, and adjust the output current value and voltage value in real time;

[0009] A power supply conversion circuit, wherein the output end of the power supply conversion circuit is electrically connected to the LCD screen module, the voice broadcast circuit and the main control circuit respectively, and the power supply conversion circuit is used to supply power to the LCD screen module, the voice broadcast circuit and the main control circuit;

[0010] A voice broadcast circuit, the voice broadcast circuit is used to broadcast the real-time charging status;

[0011] An LCD screen module, wherein the LCD screen module is used to display real-time charging status, charging parameters, and safety protection status;

[0012] A main control circuit, the main control circuit includes a control chip U3, the output end of the control chip U3 is electrically connected to the output control and data acquisition unit, the voice broadcast circuit and the LCD screen module respectively, the main control circuit is used to analyze and process the voltage value and current value data collected by the output control and data acquisition unit, so as to obtain real-time analysis and processing results, and according to the real-time analysis and processing results, control the output voltage and output current through the output control and data acquisition unit;

[0013] The main control circuit is also used to control the voice broadcast of the real-time charging status according to the analysis and processing results, and control the LCD screen module to display the real-time charging status, charging parameters and safety protection status.

[0014] As a preferred embodiment of the utility model, it also includes an LED indication circuit, which is electrically connected to the main control circuit and is used to display the real-time charging status.

[0015] As a preferred embodiment of the utility model, it also includes a screen display interface, the input end of the screen display interface is electrically connected to the output end of the main control circuit and the output end of the power supply conversion circuit, and the output end of the screen display interface is electrically connected to the input end of the LCD screen module.

[0016] As a preferred embodiment of the present utility model, the AC-DC power supply includes a rectifier bridge D1 and a transformer T1, the input end of the rectifier bridge D1 is electrically connected to the mains, the output end of the rectifier bridge D1 is electrically connected to the input end of the transformer T1, and the output end of the transformer T1 is electrically connected to the input end of the output control and data acquisition unit and the input end of the power supply conversion circuit respectively.

[0017] As a preferred implementation of the present utility model, the rectifier bridge D1 adopts a KBP310K rectifier bridge.

[0018] As a preferred implementation of the present invention, the transformer T1 adopts an EE1710 transformer.

[0019] As a preferred embodiment of the present invention, the output control and data acquisition unit includes an output circuit and a control chip U5. The control chip U5 is connected in parallel with the output circuit, and the output end of the power supply conversion circuit is electrically connected to the input end of the control chip U5.

[0020] As a preferred implementation of the utility model, the control chip U5 adopts the INA180A2IDBVR chip.

[0021] As a preferred embodiment of the utility model, the voice broadcast circuit includes a control chip U4, a speaker interface and a broadcast speaker, the output end of the control chip U4 is electrically connected to the input end of the speaker interface, and the output end of the speaker interface is electrically connected to the input end of the broadcast speaker.

[0022] As a preferred implementation of the present utility model, the control chip U4 adopts the WTN6040-8S-FB chip.

[0023] The technical solution of the utility model has the following beneficial effects: by setting a voice broadcast circuit, an LED indication circuit and an LCD screen module, it is possible to provide users with real-time charging status, charging parameters and safety protection status information, so that users can clearly understand the charging process and the working status of the charger, thereby preventing the potential safety hazards of the charger charging garden power tools. Specifically, the real-time charging status is broadcasted by the voice broadcast circuit; the real-time charging status is displayed by the LED indication circuit; the real-time charging status, charging parameters and safety protection status are displayed by the LCD screen module; in summary, by setting a voice broadcast circuit, an LED indication circuit and an LCD screen module, it is possible to provide users with real-time charging status, charging parameters and safety protection status information, so that users can intuitively grasp the charging process and the working status of the charger, thereby preventing the potential safety hazards of the charger charging garden power tools. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0025] Figure 1 This is a schematic diagram of the overall frame structure of a garden power tool charger with voice broadcast and display functions according to an embodiment of the utility model;

[0026] Figure 2This is a circuit schematic diagram of an AC-DC power supply of a garden power tool charger with voice broadcast and display functions according to an embodiment of the utility model;

[0027] Figure 3 This is a circuit schematic diagram of an output control and data acquisition unit of a garden power tool charger with voice broadcast and display functions according to an embodiment of the utility model;

[0028] Figure 4 This is a circuit schematic diagram of a power supply conversion circuit of a garden power tool charger with voice broadcast and display functions according to an embodiment of the utility model;

[0029] Figure 5 This is a circuit schematic diagram of a voice broadcast circuit of a garden electric tool charger with voice broadcast and display functions according to an embodiment of the utility model;

[0030] Figure 6 The present invention is a circuit schematic diagram of a main control circuit of a garden power tool charger with voice broadcast and display functions according to an embodiment of the present invention.

[0031] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0034] In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0035] The reference numerals in the drawings of the specification include: AC-DC power supply 100, output control and data acquisition unit 200, power supply conversion circuit 300, voice broadcast circuit 400, LED indication circuit 500, main control circuit 600, screen display interface 700, LCD screen module 800.

[0036] The utility model provides a garden electric tool charger with voice broadcast and display functions.

[0037] like Figures 1 to 6 As shown, in one embodiment of the utility model, the garden power tool charger with voice broadcast and display functions includes an AC-DC power supply 100, an output control and data acquisition unit 200, a power supply conversion circuit 300, a voice broadcast circuit 400, a screen display interface 700, an LCD screen module 800, a main control circuit 600 and an LED indication circuit 500;

[0038] AC-DC power supply 100, specifically, the input end of the AC-DC power supply 100 is electrically connected to the mains, and the output end of the AC-DC power supply 100 is electrically connected to the input end of the output control and data acquisition unit 200 and the input end of the power supply conversion circuit 300 respectively. The AC-DC power supply 100 is used to convert alternating current into direct current, filter out ripples in the output voltage, and regulate the output voltage; further, the AC-DC power supply 100, the power supply conversion circuit 300 and the AC-DC output control and data acquisition unit 200 are electrically connected through the VOUT pin;

[0039] An output control and data acquisition unit 200, the output end of which is electrically connected to the device, and the output control and data acquisition unit 200 is used to charge the device, collect the output voltage value, current value and circuit temperature value data in real time, and adjust the output current value and voltage value in real time;

[0040] A power supply conversion circuit 300, wherein the output end of the power supply conversion circuit 300 is electrically connected to the LCD screen module 800, the voice broadcast circuit 400 and the main control circuit 600 respectively, and the power supply conversion circuit 300 is used to supply power to the LCD screen module 800, the voice broadcast circuit 400 and the main control circuit 600;

[0041] The voice broadcast circuit 400 is used to broadcast the real-time charging status; specifically, the voice broadcast circuit 400 is specifically used to broadcast a variety of charging status including normal charging status, fault status and charging completion. In other embodiments, the voice broadcast circuit 400 can also broadcast the real-time charging parameters and safety protection status according to actual needs; in addition, the voice broadcast circuit 400 can also broadcast the same charging status, charging parameters and safety protection status at preset time intervals. For example, in the process of the charger charging the device, the voice broadcast circuit 400 can broadcast the charger in a normal charging state multiple times at preset time intervals, so that the user can grasp the real-time charging status;

[0042] The screen display interface 700, the input end of the screen display interface 700 is electrically connected to the output end of the main control circuit 600 and the output end of the power supply conversion circuit 300, and the output end of the screen display interface 700 is electrically connected to the input end of the LCD screen module 800; specifically, the LCD screen module 800 is electrically connected to the screen display interface 700 through a wire. In the actual production process, the screen display interface 700 can be set at different positions according to the requirements of different charger models and shapes, and the LCD screen module 800 can be set through the screen display interface 700, thereby reducing the difficulty and cost of production and improving production efficiency;

[0043] LCD screen module 800, LCD screen module 800 is used to display real-time charging status, charging parameters and safety protection status;

[0044] An LED indication circuit 500, which is electrically connected to the main control circuit 600, and is used to display the real-time charging status; specifically, the LED indication circuit 500 includes an LED light, when the LED light is displayed as a green light, the charger is in a normal charging state, when the LED light is displayed as a red light, the charger is in a fault state, and when the LED light is off, the charger is in an idle state without charging;

[0045] The main control circuit 600 includes a control chip U3. The output end of the control chip U3 is electrically connected to the output control and data acquisition unit 200, the voice broadcast circuit 400 and the LCD screen module 800. The main control circuit 600 is used to analyze and process the voltage and current value data collected by the output control and data acquisition unit 200, thereby obtaining real-time analysis and processing results, and according to the real-time analysis and processing results, the output voltage and output current are controlled through the output control and data acquisition unit 200; specifically, the main control circuit 600 The voltage value, current value and circuit temperature value data collected by the output control and data acquisition unit 200 are analyzed and processed to obtain the analysis and processing results, namely, the charging state, charging parameters and safety protection state during charging; further, the charging state specifically includes multiple charging states including normal charging state, fault state and charging completed, the charging parameters specifically include multiple charging parameters including output voltage value, current value and circuit temperature value, and the safety protection state specifically includes multiple safety protection states including overcharge, overcurrent, overtemperature, overvoltage and overdischarge;

[0046] It should also be noted that the main control circuit 600 is also used to control the voice broadcast of the real-time charging status according to the analysis and processing results, and control the LCD screen module 800 to display the real-time charging status, charging parameters and safety protection status.

[0047] like Figure 2 As shown, in this embodiment, the AC-DC power supply 100 includes a rectifier bridge D1 and a transformer T1, the input end of the rectifier bridge D1 is electrically connected to the mains, the output end of the rectifier bridge D1 is electrically connected to the input end of the transformer T1, and the output end of the transformer T1 is electrically connected to the input end of the output control and data acquisition unit 200 and the input end of the power supply conversion circuit 300. Specifically, the rectifier bridge D1 adopts a KBP310K rectifier bridge, and the transformer T1 adopts an EE1710 transformer.

[0048] like Figure 3 As shown, in this embodiment, the output control and data acquisition unit 200 includes an output circuit and a control chip U5. The control chip U5 is connected in parallel with the output circuit. The output end of the power supply conversion circuit 300 is electrically connected to the input end of the control chip U5. Specifically, the control chip U5 is powered by the power supply conversion circuit 300 and connected in parallel with the output circuit. This design allows the control chip U5 to independently obtain the required electrical energy from the power supply conversion circuit 300 without causing mutual interference with the output circuit. It can also ensure the stable power supply of the control chip and improve the reliability and safety of the control chip U5. If the output circuit has an abnormal situation, such as overload or short circuit, the control chip U5 can still perform data acquisition operations on the output circuit. Further, the control chip U5 adopts the INA180A2IDBVR chip.

[0049] like Figure 5 As shown, in this embodiment, the voice broadcast circuit 400 includes a control chip U4, a speaker interface and a broadcast speaker. The output end of the control chip U4 is electrically connected to the input end of the speaker interface, and the output end of the speaker interface is electrically connected to the input end of the broadcast speaker. Specifically, the control chip U4 and the broadcast speaker are connected through the speaker interface. During production, the speaker interface can be set at different positions according to the requirements of different charger models and shapes, and the broadcast speaker can be set through the speaker interface, thereby reducing the difficulty and cost of production and improving production efficiency. Further, to improve production efficiency, the control chip U4 adopts the WTN6040-8S-FB chip.

[0050] The use principle and process of the utility model are:

[0051] By setting the voice broadcast circuit 400, the LED indication circuit 500 and the LCD screen module 800, the user can be provided with real-time charging status, charging parameters and safety protection status information, that is, through the garden power tool charger with voice broadcast and display functions, when charging the garden power tool, the user can specifically grasp the real-time charging process and the working status of the charger, thereby preventing the safety hazards existing in the charger charging the garden power tool. Specifically, the real-time charging status is broadcasted by the voice broadcast circuit 400; the real-time charging status is displayed by the LED indication circuit 500; the real-time charging status, charging parameters and safety protection status are displayed by the LCD screen module 800; in summary, by setting the voice broadcast circuit 400, the LED indication circuit 500 and the LCD screen module 800, the user can be provided with real-time charging status, charging parameters and safety protection status information, so that the user can clearly understand the charging process and the working status of the charger, thereby preventing the safety hazards existing in the charger charging the garden power tool.

[0052] The above description is only a preferred embodiment of the utility model, and does not limit the patent scope of the utility model. All equivalent structural changes made by using the contents of the utility model specification and drawings under the utility model concept, or directly / indirectly used in other related technical fields are included in the patent protection scope of the utility model.

Claims

1. A garden power tool charger with voice broadcast and display functions, characterized in that: It includes AC-DC power supply, output control and data acquisition unit, power supply conversion circuit, voice broadcast circuit, LCD screen module and main control circuit; An AC-DC power supply, wherein the input end of the AC-DC power supply is electrically connected to the mains, and the output end of the AC-DC power supply is electrically connected to the input end of the output control and data acquisition unit and the input end of the power supply conversion circuit, respectively. The AC-DC power supply is used to convert alternating current into direct current, filter out ripples in the output voltage, and regulate the output voltage; An output control and data acquisition unit, wherein the output end of the output control and data acquisition unit is electrically connected to the device, and the output control and data acquisition unit is used to charge the device, collect the output voltage value and current value data in real time, and adjust the output current value and voltage value in real time; A power supply conversion circuit, wherein the output end of the power supply conversion circuit is electrically connected to the LCD screen module, the voice broadcast circuit and the main control circuit respectively, and the power supply conversion circuit is used to supply power to the LCD screen module, the voice broadcast circuit and the main control circuit; A voice broadcast circuit, the voice broadcast circuit is used to broadcast the real-time charging status; An LCD screen module, wherein the LCD screen module is used to display real-time charging status, charging parameters, and safety protection status; A main control circuit, the main control circuit includes a control chip U3, the output end of the control chip U3 is electrically connected to the output control and data acquisition unit, the voice broadcast circuit and the LCD screen module respectively, the main control circuit is used to analyze and process the voltage value and current value data collected by the output control and data acquisition unit, so as to obtain real-time analysis and processing results, and according to the real-time analysis and processing results, control the output voltage and output current through the output control and data acquisition unit; The main control circuit is also used to control the voice broadcast of the real-time charging status according to the analysis and processing results, and control the LCD screen module to display the real-time charging status, charging parameters and safety protection status.

2. The garden power tool charger with voice broadcast and display functions according to claim 1, characterized in that: It also includes an LED indication circuit, which is electrically connected to the main control circuit and is used to display the real-time charging status.

3. The garden power tool charger with voice broadcast and display functions according to claim 1, characterized in that: It also includes a screen display interface, the input end of the screen display interface is electrically connected to the output end of the main control circuit and the output end of the power supply conversion circuit, and the output end of the screen display interface is electrically connected to the input end of the LCD screen module.

4. The garden power tool charger with voice broadcast and display functions according to claim 1, characterized in that: The AC-DC power supply includes a rectifier bridge D1 and a transformer T1. The input end of the rectifier bridge D1 is electrically connected to the mains, the output end of the rectifier bridge D1 is electrically connected to the input end of the transformer T1, and the output end of the transformer T1 is electrically connected to the input end of the output control and data acquisition unit and the input end of the power supply conversion circuit respectively.

5. The garden power tool charger with voice broadcast and display functions according to claim 4, characterized in that: The rectifier bridge D1 adopts a KBP310K rectifier bridge.

6. The garden power tool charger with voice broadcast and display functions according to claim 4, characterized in that: The transformer T1 adopts EE1710 transformer.

7. The garden power tool charger with voice broadcast and display functions according to claim 1, characterized in that: The output control and data acquisition unit includes an output circuit and a control chip U5. The control chip U5 is connected in parallel with the output circuit, and the output end of the power supply conversion circuit is electrically connected to the input end of the control chip U5.

8. The garden power tool charger with voice broadcast and display functions according to claim 7, characterized in that: The control chip U5 adopts INA180A2IDBVR chip.

9. The garden power tool charger with voice broadcast and display functions according to claim 1, characterized in that: The voice broadcast circuit includes a control chip U4, a speaker interface and a broadcast speaker. The output end of the control chip U4 is electrically connected to the input end of the speaker interface, and the output end of the speaker interface is electrically connected to the input end of the broadcast speaker.

10. The garden power tool charger with voice broadcast and display functions according to claim 9, characterized in that: The control chip U4 adopts WTN6040-8S-FB chip.

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