CN219592227U - Hand generator with energy storage battery - Google Patents
Hand generator with energy storage battery Download PDFInfo
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- CN219592227U CN219592227U CN202320950367.4U CN202320950367U CN219592227U CN 219592227 U CN219592227 U CN 219592227U CN 202320950367 U CN202320950367 U CN 202320950367U CN 219592227 U CN219592227 U CN 219592227U
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- energy storage
- storage battery
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- hand generator
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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Abstract
The utility model belongs to the technical field of generators, and particularly relates to a hand generator with an energy storage battery, which comprises a hand power generation unit, the energy storage battery and a buck-boost DC/DC module, wherein the energy storage battery is respectively and electrically connected with a first interface, a manual control power switch Ka and one end of an automatic control power switch Kb, the other end of the manual control power switch Ka is respectively and electrically connected with an anode of a power diode Da and a third interface, the other end of the automatic control power switch Kb is electrically connected with an anode of a power diode Db, and cathodes of the power diode Da and the power diode Db are respectively and electrically connected with a second interface and the buck-boost DC/DC module. The third interface is electrically connected with a charging port of the hand-operated power generation unit, and the step-up/step-down DC/DC module is electrically connected with the fourth interface. The utility model has more continuous and stable output, and can meet the requirements of various application scenes by combining an external interface with a cable.
Description
Technical Field
The utility model belongs to the technical field of generators, and particularly relates to a hand generator with an energy storage battery, which can realize continuous and stable output during hand shaking and is not influenced by light and heavy changes of external load.
Background
At present, when most hand generator can appear external load aggravate suddenly or alleviate in the use, hand generator personnel can appear obvious "card dun", "the condition of skidding", can cause the discontinuity of hand output, and stability is poor. The stability and the continuity of power supply to external equipment are affected, and the smoothness of power generation operation of hand power generation personnel is also affected. In addition, the current hand generator outputs in real time when power is used, and can not store electric energy at ordinary times, but makes hand generator personnel very hard when heavy load output is needed. Furthermore, the traditional hand generator can only output fixed voltage when supplying power to the outside, and the application range is smaller.
The current solutions are: the method of adding the inertia wheel on the rotor of the hand generator is adopted to increase the stability of output and the smoothness of hand, but the effect is limited, and the volume and the weight of the hand generator are increased.
Disclosure of Invention
Aiming at the technical problems, the utility model provides the electric energy storage battery which can store electric energy into the internal energy storage battery through hand shaking at ordinary times, and the hand shaking generator and the internal energy storage battery can supply power for external electric equipment together when heavy load output is needed. The technical scheme adopted by the utility model is as follows:
the hand generator with the energy storage battery comprises a hand power generation unit, the energy storage battery and a step-up/step-down DC/DC module, wherein the energy storage battery is electrically connected with a first interface, a manual control power switch Ka and one end of an automatic control power switch Kb respectively, the other end of the manual control power switch Ka is electrically connected with an anode of a power diode Da and a third interface respectively, the other end of the automatic control power switch Kb is electrically connected with an anode of a power diode Db, and a cathode of the power diode Da and a cathode of the power diode Db are electrically connected with a second interface and the step-up/step-down DC/DC module respectively. The third interface is electrically connected with a charging port of the hand-operated power generation unit, and the step-up/step-down DC/DC module is electrically connected with the fourth interface.
Preferably, the battery pack also comprises an AC/DC charger, and the AC/DC charger is electrically connected with the first interface.
Preferably, the device further comprises a main control unit, wherein the main control unit is a detection control unit with a display unit and taking the MCU as a core.
Preferably, the hand power generation unit adopts a 60W hand power generator and comprises a hand power generator body, a voltmeter, an ammeter, a protection circuit, a voltage stabilizing circuit, a charging port and an output port.
Preferably, the buck-boost DC/DC module adopts a buck-boost topology DC/DC converter with adjustable output.
Preferably, the energy storage battery is a lithium-based battery pack with a battery protection plate, an electric quantity detection function and an automatic balancing function.
Preferably, the fourth interface is a voltage-adjustable output interface with the voltage of 14.4V/25.2V.
Preferably, the circuit structure of the automatic control power switch Kb is: the positive pole of the charging port of the hand-operated power generation unit is connected with one end of a current limiting resistor R1 and the anode of a diode D17, the other end of the R1 is connected with the cathode of a voltage stabilizing tube D1 and the grid electrode of an NMOS field effect tube Q2, and the anode of the D1 and the source electrode of the NMOS field effect tube Q2 are grounded. The positive pole of the energy storage battery is connected with one end of a current limiting resistor R2 and the source electrode of a PMOS field effect transistor Q1, the other end of the R2 is connected with the grid electrode of the PMOS field effect transistor Q1 and the drain electrode of an NMOS field effect transistor Q2, the drain electrode of the PMOS field effect transistor Q1 is connected with the anode of a diode D18, and the cathodes of the diodes D17 and D18 are electrically connected with a buck-boost DC/DC module through a power diode Db after being connected.
The utility model has the beneficial effects that:
1. when only carrying out hand operation, hand generator and inside energy storage battery give the buck-boost DC/DC module power supply jointly and come external electric energy for hand generator's output is more continuous, stable, and the effective external load mutation that reduces makes hand generator personnel can be obvious "block" and "the unsmooth condition of skidding", thereby realizes steady power supply. The built-in voltage-increasing and reducing DC/DC module with a wide input range can output voltages with different values to supply power to various electric equipment, and is flexible and convenient.
2. The traditional hand generator can directly charge the internal energy storage battery, and also can charge the internal energy storage battery through an external AC/DC charger or an external DC power supply of the adaptation, so that the hand generator can be used for emergency charging by hand operation, and can be used for normal charging through an external AC/DC power supply.
3. The requirements of various application scenes can be met through the combination of the external interface and the cable, and various combinations are flexible and reliable.
Drawings
FIG. 1 is a schematic diagram of the structure and principle of a hand generator with an energy storage battery according to an example of the utility model;
fig. 2 is a schematic diagram of the structure of an automatic control power switch Kb of an example of the utility model.
In the figure, 1 is a hand-operated power generation unit, 2 is an energy storage battery, 3 is an AC/DC charger, 4 is a step-up/step-down DC/DC module, 5 is a manual control power switch Ka,6 is an automatic control power switch Kb,7 is a power diode Da,8 is a power diode Db,9 is an interface I, 10 is an interface II, 11 is an interface III, and 12 is an interface IV.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and complete in conjunction with the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the present utility model.
Fig. 1 is a schematic diagram of the structure and principle of a hand generator with an energy storage battery according to an example of the present utility model. The utility model provides a take hand generator of energy storage battery, includes hand power generation unit 1, energy storage battery 2 and step-up and step-down DC/DC module 4, hand power generation unit 1 adopt current conventional hand generator can, say 60W hand generator, including hand generator body, voltmeter, ampere meter, protection circuit, voltage stabilizing circuit and output port. The buck-boost DC/DC module 4 is a DC/DC buck-boost unit with a wide input range, and can adopt a buck-boost topology DC/DC converter with adjustable output and a wide input range. The energy storage battery 2 is a lithium-based battery pack with functions of battery protection board, electric quantity detection, automatic equalization and the like.
The energy storage battery 2 is electrically connected with one end of the first interface 9, one end of the manual control power switch Ka5 and one end of the automatic control power switch Kb6 respectively, the other end of the manual control power switch Ka5 is electrically connected with the anode of the power diode Da7 and the third interface 11 respectively, the other end of the automatic control power switch Kb6 is electrically connected with the anode of the power diode Db8, and the cathodes of the power diode Da7 and the power diode Db8 are electrically connected with the second interface 10 and the buck-boost DC/DC module 4 respectively. The third interface 11 is electrically connected with the charging port of the hand-operated power generation unit 1. The buck-boost DC/DC module 4 is electrically connected with the fourth interface 12. The fourth interface 12 is a 14.4V/25.2V voltage adjustable output interface. The battery also comprises an AC/DC charger 3 with an AC220V, and the AC/DC charger 3 is electrically connected with the first interface 9. The power diodes Da7 and Db8 are used for connecting the hand-operated power generation unit 1 and the energy storage battery 2 in parallel and jointly supplying power for the buck-boost DC/DC module 4.
The hand generator with the energy storage battery further comprises a main control unit, wherein the main control unit is a detection control unit with a display unit and taking an MCU as a core and is used for controlling each component unit of the system. The display unit displays the output voltage and current of the step-up and step-down DC/DC module 4 and the residual electric quantity of the internal energy storage battery 2 through an LED nixie tube or an LCD liquid crystal display and an indicator lamp. The main control unit is a prior art and will not be described in detail herein.
The manual control power switch Ka5 is closed only when the hand-operated power generation unit 1 alone is used to charge the energy storage battery 2. The automatic control power switch Ka6 is an automatic controllable power switch, and is automatically closed when the hand-operated power generation unit 1 works, so that the hand-operated power generation unit 1 and the energy storage battery 2 are connected in parallel to supply power to the step-up and step-down DC/DC module 4. The automatic control power switch Ka6 may adopt a hardware control circuit as shown in fig. 2, in the control circuit of fig. 2, the positive electrode of the charging port of the hand-operated power generation unit 1 is connected with one end of the current limiting resistor R1 and the anode of the diode D17, the other end of the resistor R1 is connected with the cathode of the voltage stabilizing tube D1 and the grid electrode of the NMOS field effect tube Q2, and the anode of the D1 and the source electrode of the NMOS field effect tube Q2 are grounded. The positive electrode of the energy storage battery 2 is connected with one end of a current limiting resistor R2 and the source electrode of a PMOS field effect transistor Q1, the other end of the R2 is connected with the grid electrode of the PMOS field effect transistor Q1 and the drain electrode of an NMOS field effect transistor Q2, the drain electrode of the PMOS field effect transistor Q1 is connected with the anode of a diode D18, and the cathodes of the diodes D17 and D18 are connected and then power is supplied to the buck-boost DC/DC module 4 through a power diode Db 8. The automatic control power switch Ka6 can also collect signals of the hand-operated power generation unit 1 through the main control unit with the MCU, and then the switch tube is controlled to realize automatic closing, which is the prior art.
The manual control power switch Ka5 and the automatic control power switch Kb6 are used for cutting off the hand-operated power generation unit 1 and other additional circuits, and the equipment becomes a traditional hand-operated power generator after the hand-operated power generation unit is cut off. When the manual control power switch Ka5 and the automatic control power switch Kb6 are closed, the hand-operated power generation unit 1 is connected with other additional circuits to form a novel hand-operated generator with an energy storage battery.
The utility model provides a hand generator with an energy storage battery, which has the following working principle:
1. when the charging port of the hand-operated power generation unit 1 is connected to the interface III 11, if the electric quantity of the internal energy storage battery 2 is sufficient, the hand-operated power generation unit 1 and the energy storage battery 2 supply power to the buck-boost DC/DC module 4 together to supply power to the outside during hand operation, so that the external load mutation is effectively reduced to cause obvious unsmooth conditions of clamping and slipping to hand-operated power generation personnel, and stable power supply is realized.
2. When the power switch Ka5 is closed and the charging port of the hand-operated power generation unit 1 is directly connected to the interface three 11, the electric energy can be directly supplied to the internal energy storage battery 2 through the hand-operated power generation unit 1.
3. When external alternating current exists, the interface I9 can be connected to the external AC/DC charger 3, and the internal energy storage battery 2 can be charged through the external alternating current; when the adaptive external AC/DC charger 3 is connected to the interface IV 12 and the interface II 10, the external can be charged and powered through the step-up and step-down DC/DC module 4 and the AC/DC charger 3.
4. When an external direct current power supply exists, the interface II 10 is connected, and the external part can be charged and powered through the external direct current and buck-boost DC/DC module 3; at this time, if the interface two 10 and the interface one 9 are directly connected, the external direct current can be used for charging the internal energy storage battery 2.
5. When the charging port of the hand-operated power generation unit 1 is disconnected from the energy storage battery 2, the AC/DC charger 3 and the buck-boost DC/DC module 4, the hand-operated power generation unit can also be independently used as a traditional hand-operated power generator.
In the embodiments of the present utility model, technical features that are not described in detail are all existing technologies or conventional technical means, and are not described herein.
Finally, it should be noted that: the above examples are only specific embodiments of the present utility model, and are not intended to limit the scope of the present utility model. Those skilled in the art will appreciate that: any person skilled in the art may modify or easily conceive of changes to the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model, and are intended to be included in the scope of the present utility model.
Claims (8)
1. The utility model provides a take hand generator of energy storage battery, its characterized in that includes hand power generation unit (1), energy storage battery (2) and buck-boost DC/DC module (4), energy storage battery (2) respectively with interface one (9), manual control power switch Ka (5) and automatic control power switch Kb (6) one end electric connection, the other end of manual control power switch Ka (5) respectively with the positive pole and the interface three (11) electric connection of power diode Da (7), the other end and the positive pole electric connection of power diode Db (8) of automatic control power switch Kb (6), the negative pole of power diode Da (7) and power diode Db (8) respectively with interface two (10) and buck-boost DC/DC module (4) electric connection, interface three (11) and the charge port electric connection of hand power generation unit (1), buck-boost DC/DC module (4) and interface four (12) electric connection.
2. The hand generator with energy storage battery according to claim 1, further comprising an AC/DC charger (3), wherein the AC/DC charger (3) is electrically connected to the first interface (9).
3. The hand generator with the energy storage battery according to claim 2, further comprising a main control unit, wherein the main control unit is a detection control unit with a display unit and taking an MCU as a core.
4. The hand generator with the energy storage battery according to claim 2, wherein the hand generator unit (1) adopts a 60W hand generator, and comprises a hand generator body, a voltmeter, an ammeter, a protection circuit, a voltage stabilizing circuit, a charging port and an output port.
5. The hand generator with the energy storage battery according to claim 2, wherein the buck-boost DC/DC module (4) adopts a buck-boost topology output-adjustable DC/DC converter.
6. The hand generator with the energy storage battery according to claim 2, wherein the energy storage battery (2) is a lithium-based battery pack with a battery protection plate, an electric quantity detection function and an automatic balancing function.
7. The hand generator with energy storage battery as claimed in claim 2, wherein the fourth interface (12) is a voltage adjustable output interface of 14.4V/25.2V.
8. The hand generator with energy storage battery according to claim 1, characterized in that the circuit structure of the automatic control power switch Kb (6) is: the positive electrode of the charging port of the hand-operated power generation unit (1) is connected with one end of a current-limiting resistor R1 and the anode of a diode D17, the other end of the R1 is connected with the cathode of a voltage stabilizing tube D1 and the grid electrode of an NMOS field effect tube Q2, and the anode of the D1 and the source electrode of the NMOS field effect tube Q2 are grounded; the positive electrode of the energy storage battery (2) is connected with one end of a current limiting resistor R2 and the source electrode of a PMOS field effect transistor Q1, the other end of the R2 is connected with the grid electrode of the PMOS field effect transistor Q1 and the drain electrode of an NMOS field effect transistor Q2, the drain electrode of the PMOS field effect transistor Q1 is connected with the anode of a diode D18, and the cathodes of the diodes D17 and D18 are connected and then electrically connected with a buck-boost DC/DC module (4) through a power diode Db (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320950367.4U CN219592227U (en) | 2023-04-21 | 2023-04-21 | Hand generator with energy storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320950367.4U CN219592227U (en) | 2023-04-21 | 2023-04-21 | Hand generator with energy storage battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219592227U true CN219592227U (en) | 2023-08-25 |
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ID=87667318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320950367.4U Active CN219592227U (en) | 2023-04-21 | 2023-04-21 | Hand generator with energy storage battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219592227U (en) |
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2023
- 2023-04-21 CN CN202320950367.4U patent/CN219592227U/en active Active
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