CN219372064U - Outdoor portable energy storage power supply - Google Patents
Outdoor portable energy storage power supply Download PDFInfo
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- CN219372064U CN219372064U CN202320234083.5U CN202320234083U CN219372064U CN 219372064 U CN219372064 U CN 219372064U CN 202320234083 U CN202320234083 U CN 202320234083U CN 219372064 U CN219372064 U CN 219372064U
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Abstract
The utility model provides an outdoor portable energy storage power supply, which comprises a hollow box body, wherein two opposite end surfaces of the box body are provided with a first through window and a second through window; the first end cover is embedded in the first window, and the second end cover is embedded in the second window; the energy storage unit is positioned in the box body between the first end cover and the second end cover; the charging unit is arranged in the box body at one side of the energy storage unit far away from the ground, and the input end of the charging unit is embedded on the first end cover; the input end of the direct current output unit is electrically connected with the energy storage unit, and the output end of the direct current output unit is embedded on the first end cover; the inversion output unit is also arranged on one side of the energy storage unit far away from the ground, wherein the input end of the charging unit, the output end of the direct current output unit and the output end of the inversion output unit are sequentially arranged at intervals and do not extend out of the end face of the box body where the first window is located.
Description
Technical Field
The utility model relates to the technical field of portable power sources, in particular to an outdoor portable energy storage power source.
Background
With the development of society, various mobile electronic devices such as mobile phones, bluetooth headsets, illumination lamps and the like become stock articles for outdoor travel, but frequent charging is required, which is an inconvenience of mobile electronic products. The traditional gasoline or diesel generator is inconvenient to carry due to large volume and weight, noise generated by the engine in actual use is intolerable, and fuel oil needs to be periodically replenished, so that the engine is not environment-friendly.
The chinese patent application CN103227483a discloses a solar charger for charging various batteries, which can utilize a PV photovoltaic module to charge and adapt to different output ports, but its PV input interface and charging output interface are both arranged on the surface of the box body in a protruding manner, which is inconvenient to carry and the ports are easy to be impacted by external force, which may affect the normal plug connection of the terminals, and has no ac output capability. Therefore, it is necessary to provide an outdoor portable energy storage power supply with a certain protection capability, which can prevent the input and output terminals from being knocked by foreign objects and reliably output direct current or alternating current signals.
Disclosure of Invention
In view of this, the present utility model provides an outdoor portable energy storage power supply with various input and output functions, which can effectively protect the terminal.
The technical scheme of the utility model is realized as follows: the utility model provides an outdoor portable energy storage power supply, which comprises
The hollow box body is provided with a first window and a second window which are communicated with each other on two opposite end surfaces of the box body;
the first end cover is embedded in the first window and partially seals the first window;
the second end cover is embedded in the second window and seals the second window;
the energy storage unit is positioned in the box body between the first end cover and the second end cover and is fixedly connected with the inner surface of one side of the box body, which is close to the ground;
the charging unit is arranged in the box body at one side of the energy storage unit far away from the ground, the input end of the charging unit is embedded on the first end cover, and the input end is electrically connected with the energy storage unit;
the input end of the direct current output unit is electrically connected with the energy storage unit, and the output end of the direct current output unit is embedded on the first end cover;
the inversion output unit is also arranged on one side of the energy storage unit far away from the ground, the input end of the inversion output unit is electrically connected with the energy storage unit, and the output end of the inversion output unit is embedded on the first end cover;
the input end of the charging unit, the output end of the direct current output unit and the output end of the inversion output unit are sequentially arranged on the first end cover at intervals, and do not extend out of the end face of the box body where the first window is located.
On the basis of the above technical solution, preferably, the first window is further provided with a lighting unit, and the lighting unit is also embedded in the first window and abuts against the first end cover.
Preferably, the two ends of the box body extending along the radial direction of the first window or the second window are respectively provided with a handle part, and the handle parts are staggered on the side surface of the box body and extend out of the surface of the box body along the radial direction of the first window; the surface of the box body between the handles is also provided with an electric quantity display unit.
Further preferably, the charging unit comprises a photovoltaic input module; the input end of the photovoltaic input module is detachably connected with an external solar photovoltaic panel, the photovoltaic input module comprises a first charging chip U1, the output end of the solar photovoltaic panel is respectively and electrically connected with the anode of a Schottky diode D1, one end of a resistor R1 and one end of a decoupling capacitor C1, the other end of the decoupling capacitor C1 is grounded, the cathode of the Schottky diode D1 is respectively and electrically connected with a pin 1 of the first charging chip U1, the anode of a light-emitting diode LED1 and the anode of a light-emitting diode LED2, the cathode of the light-emitting diode LED1 is electrically connected with a pin 4 of the first charging chip U1, and the cathode of the light-emitting diode LED2 is electrically connected with a pin 5 of the first charging chip U1; the other end of the resistor R1 is electrically connected with the 2 of the first charging chip U1 and one end of the resistor R2 respectively, the other end of the resistor R2 is electrically connected with the pin 3 of the first charging chip U1 and one end of the resistor R3, and the other end of the resistor R3 is grounded; the pin 6 of the first charging chip U1 is electrically connected with one end of the capacitor C2, and the other end of the capacitor C2 is grounded; the pin 8 of the first charging chip U1 is electrically connected with one end of the NTC resistor R4, and the other end of the NTC resistor R4 is grounded; the pin 9 of the first charging chip U1 is respectively and electrically connected with one end of a resistor R5, one end of a resistor R8, one end of the resistor R9 and the positive electrode of the energy storage unit, the other end of the resistor R5 is respectively and electrically connected with one end of a resistor R6 and one end of a resistor R7, the other end of the resistor R6 is grounded, and the other end of the resistor R7 is electrically connected with the pin 7 of the first charging chip U1; the pin 10 of the first charging chip U1 is electrically connected with the other end of the resistor R8, the other end of the resistor R9 and one end of the inductor L1, the other end of the inductor L1 is electrically connected with the cathode of the Schottky diode D3, one end of the capacitor C3 and the pin 12 of the first charging chip U1 respectively, the other end of the capacitor C3 is electrically connected with the pin 11 of the first charging chip U1 and the cathode of the diode D2 respectively, and the anode of the diode D2 is electrically connected with the pin 10 of the first charging chip U1; the anode of the Schottky diode D3 is grounded; the photovoltaic input module charges the energy storage unit through an external solar photovoltaic panel; the first charging chip U1 is LT3652HVEDD.
Preferably, the charging unit further comprises a direct current input module; the direct current input module comprises a buck converter U2; the external direct current input is respectively and electrically connected with the pin 22, the pin 23, the pin 24 and one end of the resistor R10 of the buck converter U2, the other end of the resistor R10 is respectively and electrically connected with one end of the resistor R11 and the pin 1 of the buck converter U2, and the other end of the resistor R11 is grounded; pin 3 of buck converter U2 is electrically connected to one end of resistor R12, the other end of resistor R12 is grounded, pin 4 of buck converter U2 is electrically connected to one end of resistor R13, and the other end of resistor R13 is grounded; the pin 8 of the buck converter U2 is electrically connected with one end of a resistor R14, the other end of the resistor R14 is electrically connected with the anode of the light-emitting diode LED3, and the cathode of the light-emitting diode LED3 is grounded; the pin 10 of the buck converter U2 is electrically connected with one end of a resistor R15 and one end of an NTC resistor R16, and the other end of the resistor R15 and the other end of the NTC resistor R16 are grounded; the pin 13 of the buck converter U2 is electrically connected with one end of a resistor R17, the other end of the resistor R17 is respectively electrically connected with one end of a resistor R18 and the pin 12 of the buck converter U2, and the other end of the resistor R18 is grounded; the pin 15 and the pin 16 of the buck converter U2 are respectively and electrically connected with one end of the capacitor C10 and one end of the inductor L2, the other end of the inductor L2 is electrically connected with the positive electrode of the energy storage unit, and the other end of the capacitor C10 is electrically connected with the pin 14 of the buck converter U2; buck converter U2 is IP2365.
Preferably, the direct current output unit comprises a first buck chip U4 and a second buck chip U5; the positive electrode of the energy storage unit is respectively and electrically connected with one end of a resistor R31 and a pin 6 of the first voltage reduction chip U4, and the other end of the resistor R31 is respectively and electrically connected with a pin 1, a pin 7 and a pin 8 of the first voltage reduction chip U4; the pin 4 of the first buck chip U4 is grounded, the pin 3 of the first buck chip U4 is electrically connected with one end of the capacitor C14, and the other end of the capacitor C14 is grounded; the pin 2 of the first buck chip U4 is electrically connected with the cathode of the diode D5 and one end of the inductor L3, the anode of the diode D5 is grounded, the other end of the inductor L3 is electrically connected with one end of the capacitor C15 and one end of the resistor R33 respectively, the other end of the resistor R33 is electrically connected with the pin 5 of the first buck chip U4 and one end of the resistor R32 respectively, and the other end of the resistor R32 is grounded; the other end of the inductor L3 also independently outputs a 12V voltage signal to the second voltage reduction chip U5; the pin 3 of the second buck chip U5 is electrically connected with one end of the capacitor C16, the pin 2 of the second buck chip U5 is electrically connected with one end of the capacitor C17, and the other end of the capacitor C16, the other end of the capacitor C17 and the pin 1 of the second buck chip U5 are commonly grounded; the second buck chip U5 converts an input 12V voltage signal into a 5V voltage signal and outputs the 5V voltage signal; the first buck chip U4 is MC33063; the second buck chip U5 is PW6206-5.
Preferably, the inversion output unit is a 12VDC-220VAC alternating current inverter.
Preferably, the power display unit includes a voltage comparator U3; the positive electrode of the energy storage unit is electrically connected with one end of a current limiting resistor R19, one end of a voltage dividing resistor R20, one end of a current limiting resistor R27, one end of a current limiting resistor R28, one end of a current limiting resistor R29, one end of a current limiting resistor R30 and the power input end of a voltage comparator U3; the voltage comparator U3 comprises a first voltage comparison unit, a second voltage comparison unit, a third voltage comparison unit and a fourth voltage comparison unit which are independent, wherein one end of the divider resistor R20 is respectively and electrically connected with the inverting input end of the first voltage comparison unit, the inverting input end of the second voltage comparison unit, the inverting input end of the third voltage comparison unit, the inverting input end of the fourth voltage comparison unit and one end of the resistor R21; the other end of the current limiting resistor R19 is respectively and electrically connected with the cathode of the voltage stabilizing diode D4, one end of the capacitor C13 and one end of the resistor R22, the other end of the resistor R22 is electrically connected with the non-inverting input end of the first voltage comparing unit and one end of the resistor R23, the other end of the resistor R23 is electrically connected with the non-inverting input end of the second voltage comparing unit and one end of the resistor R24, the other end of the resistor R24 is electrically connected with the non-inverting input end of the third voltage comparing unit and one end of the resistor R25, and the other end of the resistor R25 is electrically connected with the non-inverting input end of the fourth voltage comparing unit and one end of the resistor R26; the other end of the capacitor C13, the anode of the zener diode D4, the other end of the resistor R26 and the other end of the resistor R21 are commonly grounded;
the output end of the first voltage comparison unit is electrically connected with the cathode of the Light Emitting Diode (LED) 4, and the anode of the Light Emitting Diode (LED) 4 is electrically connected with the other end of the current limiting resistor R27; the output end of the second voltage comparison unit is electrically connected with the cathode of the Light Emitting Diode (LED) 5, and the anode of the Light Emitting Diode (LED) 5 is electrically connected with the other end of the current limiting resistor R28; the output end of the third voltage comparison unit is electrically connected with the cathode of the Light Emitting Diode (LED) 6, and the anode of the Light Emitting Diode (LED) 6 is electrically connected with the other end of the current limiting resistor R29; the output end of the fourth voltage comparison unit is electrically connected with the cathode of the light emitting diode (LED 7), and the anode of the light emitting diode (LED 7) is electrically connected with the other end of the current limiting resistor (R30).
Preferably, the lighting unit comprises at least one LED serial branch and a switch KEY, wherein the positive electrode of the energy storage unit is electrically connected with one end of the switch KEY, the other end of the switch KEY is electrically connected with one end of the at least one LED serial branch, and the other end of the at least one LED serial branch is electrically connected with the negative electrode of the energy storage unit.
Based on the technical scheme, preferably, the energy storage unit is a lithium iron phosphate battery, and the model is IFR39139-20Ah.
Compared with the prior art, the outdoor portable energy storage power supply provided by the utility model has the following beneficial effects:
(1) According to the scheme, the first end cover and the second end cover are embedded, so that the whole wiring terminal on the end cover is offset to the inside of the box body by a certain distance, the wiring terminal in a non-use state cannot exceed the outline of the box body, the defect that the terminal is easy to collide and deform can be overcome, and the reliability and the service life of the wiring terminal are improved;
(2) The lighting unit and the first end cover are embedded at the first window to form a sealing structure and can further provide a lighting function;
(3) The handle part further lifts the end face of the box body, so that the box body has certain protection capability and prevents foreign objects from directly contacting with the electric quantity display unit;
(4) The charging unit can adapt to photovoltaic solar energy input and also can adapt to the wide voltage range input of the direct current charger;
(5) The energy storage unit can realize direct-current voltage or alternating-current voltage output of different voltage classes according to the requirement.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a perspective view of an outdoor portable energy storage power supply of the present utility model;
FIG. 2 is a top view of an outdoor portable energy storage power supply of the present utility model;
FIG. 3 is a schematic view of the cross-section view of FIG. 2 in the direction A-A;
FIG. 4 is a perspective view of an outdoor portable energy storage power supply in a cut-away state according to the present utility model;
FIG. 5 is a block diagram of a circuit portion of an outdoor portable energy storage power supply of the present utility model;
FIG. 6 is a wiring diagram of a photovoltaic input module of an outdoor portable energy storage power supply of the present utility model;
FIG. 7 is a wiring diagram of a DC input module of an outdoor portable energy storage power supply of the present utility model;
FIG. 8 is a wiring diagram of an electric quantity display unit of an outdoor portable energy storage power supply according to the present utility model;
FIG. 9 is a wiring diagram of a DC output unit of an outdoor portable energy storage power supply according to the present utility model;
fig. 10 is a wiring diagram of a lighting unit of an outdoor portable energy storage power supply of the present utility model.
Reference numerals: 1. a case; 2. a first end cap; 3. a second end cap; 100. a first window; 200. a second window; 300. an energy storage unit; 400. a charging unit; 500. a direct current output unit; 600. an inversion output unit; 401. a photovoltaic input module; 402. a direct current input module; 700. a lighting unit; 800. and an electric quantity display unit.
Detailed Description
The following description of the embodiments of the present utility model will clearly and fully describe the technical aspects of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, are intended to fall within the scope of the present utility model.
As shown in FIGS. 1-5, the present utility model provides an outdoor portable energy storage power supply comprising
Two opposite end surfaces of the hollow box body 1 are provided with a through first window 100 and a through second window 200; the case 1 may be opened through the first window 100 or the second window 200.
The first end cover 2 is embedded in the first window 100 and partially seals the first window 100; the first end cap is used for placing each wiring terminal besides closing the first window.
The second end cap 3 is embedded in the second window 200 and closes the second window 200.
The energy storage unit 300 is positioned in the box body 1 between the first end cover 2 and the second end cover 3 and is fixedly connected with the inner surface of one side of the box body 1 close to the ground; the energy storage unit 300 is used to store or supply electric energy to the outside.
The charging unit 400 is arranged in the box body 1 at one side of the energy storage unit 300, which is far away from the ground, the input end of the charging unit 400 is embedded on the first end cover 2, and the input end is electrically connected with the energy storage unit 300; the charging unit 400 can be used for outdoor charging through a portable photovoltaic panel, and also can be used for charging through converting 220VAC into 5-25V direct current through an adapter so as to meet the requirement of long-term outdoor use.
The input end of the direct current output unit 500 is electrically connected with the energy storage unit 300, and the output end of the direct current output unit is embedded on the first end cover 2; the direct current output unit is used for outputting direct current signals with different voltage levels and is used for different direct current electronic equipment.
The inversion output unit 600 is also arranged at one side of the energy storage unit 300 away from the ground, the input end of the inversion output unit 600 is electrically connected with the energy storage unit 300, and the output end is embedded on the first end cover 2; the inverter output unit 600 is used for outputting 220VAC ac signals for outdoor ac electronic devices.
For convenience of use, the input end of the charging unit 400, the output end of the dc output unit 500, and the output end of the inverter output unit 600 are sequentially disposed on the first end cover 2 at intervals, and do not protrude from the end surface of the case 1 where the first window 100 is located. The end face of the box body 1 is not extended, so that the end structure of the wiring terminal is protected, deformation or damage caused by direct contact with foreign objects is prevented, and the normal use of the outdoor portable energy storage power supply is influenced. The energy storage unit 300 of the present embodiment is preferably a lithium iron phosphate battery, and is of the type IFR39139-20Ah.
In order to facilitate the heat dissipation inside the box body 1, through grids are arranged on the first end cover 2 and the second end cover 3, and a heat dissipation fan can be further arranged on the inner side of the second end cover 3 to perform forced heat exchange.
In order to better adapt to outdoor environment and provide illumination function, as shown in fig. 1-4, the first window 100 of the present utility model is further provided with an illumination unit 700, and the illumination unit 700 is also embedded in the first window 100 and abuts against the first end cover 2.
In order to better carry outdoor portable energy storage power sources, the two ends of the box body 1 extending along the radial direction of the first window 100 or the second window 200 are respectively provided with a handle part 4, the handle parts 4 are staggered on the side surface of the box body 1, and extend out of the surface of the box body 1 along the radial direction of the first window 100; the surface of the case 1 between the handle portions 4 is also provided with an electric quantity display unit 800. The two handle parts 4 are arranged in an X-shaped cross manner, can stably attach to a larger area on the side surface of the box body 1, further extend out of the bottom surface and the upper surface of the box body 1, form a double-hand holding part on one side, and raise the box body 1 on the other side, so that the bottom of the box body is provided with a heat dissipation space and is not directly contacted with sundries on the ground.
As shown in fig. 5 in combination with fig. 6, the charging unit 400 includes a photovoltaic input module 401. The input end of the photovoltaic input module 401 is detachably connected with an external solar photovoltaic panel, which is not shown. The photovoltaic input module 401 includes a first charging chip U1, an output end of the solar photovoltaic panel is electrically connected to an anode of the schottky diode D1, one end of the resistor R1 and one end of the decoupling capacitor C1 respectively, and the other end of the decoupling capacitor C1 is grounded, a cathode of the schottky diode D1 is electrically connected to a pin 1 of the first charging chip U1, an anode of the light emitting diode LED1 and an anode of the light emitting diode LED2 respectively, a cathode of the light emitting diode LED1 is electrically connected to a pin 4 of the first charging chip U1, and a cathode of the light emitting diode LED2 is electrically connected to a pin 5 of the first charging chip U1; the other end of the resistor R1 is electrically connected with the 2 of the first charging chip U1 and one end of the resistor R2 respectively, the other end of the resistor R2 is electrically connected with the pin 3 of the first charging chip U1 and one end of the resistor R3, and the other end of the resistor R3 is grounded; the pin 6 of the first charging chip U1 is electrically connected with one end of the capacitor C2, and the other end of the capacitor C2 is grounded; the pin 8 of the first charging chip U1 is electrically connected with one end of the NTC resistor R4, and the other end of the NTC resistor R4 is grounded; the pin 9 of the first charging chip U1 is respectively and electrically connected with one end of a resistor R5, one end of a resistor R8, one end of the resistor R9 and the positive electrode of the energy storage unit 300, the other end of the resistor R5 is respectively and electrically connected with one end of a resistor R6 and one end of a resistor R7, the other end of the resistor R6 is grounded, and the other end of the resistor R7 is electrically connected with the pin 7 of the first charging chip U1; the pin 10 of the first charging chip U1 is electrically connected with the other end of the resistor R8, the other end of the resistor R9 and one end of the inductor L1, the other end of the inductor L1 is electrically connected with the cathode of the Schottky diode D3, one end of the capacitor C3 and the pin 12 of the first charging chip U1 respectively, the other end of the capacitor C3 is electrically connected with the pin 11 of the first charging chip U1 and the cathode of the diode D2 respectively, and the anode of the diode D2 is electrically connected with the pin 10 of the first charging chip U1; the anode of the Schottky diode D3 is grounded; the photovoltaic input module charges the energy storage unit 300 through an external solar photovoltaic panel; in this embodiment, the first charging chip U1 is LT3652HVEDD. The schottky diode D1 can prevent voltage surge to the solar photovoltaic panel after unexpected turn-off. The light emitting diodes LED1 and LED2 indicate the charging and failure state of the first charging chip U1. The resistors R1, R2 and R3 form a continuous voltage dividing circuit, the resistors R1 and R2 provide input voltage stabilizing reference voltage for the first charging chip U1 after voltage division, the resistors R2 and R3 provide high-level signals for a threshold turn-off signal after voltage division, and if the pin 3 of the first charging chip U1 inputs low level, the power-off mode is entered. The pin 6 of the first charging chip U1 provides a timing function of the charging time of the energy storage unit 300, and if not used, the capacitor C2 is not used, but is directly grounded. The pin 8 of the first charging chip U1 is a thermistor, i.e. a sampling input terminal of the NTC resistor R4, and the charging timing is paused or the first charging chip U1 is turned off by acquiring whether the temperature at the energy storage unit 300 is abnormal. The pin 7 of the first charging chip U1 is a feedback input end, and is used for indicating whether the electric quantity of the energy storage unit 300 is full or not by acquiring the voltage signal of VBAT of the positive electrode of the energy storage unit 300 and inputting the voltage signal into the first charging chip U1 after the voltage is divided and the current is limited by the resistors R5, R6 and R7.
Further, if the weather is bad, the solar photovoltaic panel is not applicable, and the charging unit 400 can also be charged through the configured dc input module 402. As shown in fig. 5 and 7, the dc input module 402 includes a buck converter U2; the external direct current input is respectively and electrically connected with the pin 22, the pin 23, the pin 24 and one end of the resistor R10 of the buck converter U2, the other end of the resistor R10 is respectively and electrically connected with one end of the resistor R11 and the pin 1 of the buck converter U2, and the other end of the resistor R11 is grounded; pin 3 of buck converter U2 is electrically connected to one end of resistor R12, the other end of resistor R12 is grounded, pin 4 of buck converter U2 is electrically connected to one end of resistor R13, and the other end of resistor R13 is grounded; the pin 8 of the buck converter U2 is electrically connected with one end of a resistor R14, the other end of the resistor R14 is electrically connected with the anode of the light-emitting diode LED3, and the cathode of the light-emitting diode LED3 is grounded; the pin 10 of the buck converter U2 is electrically connected with one end of a resistor R15 and one end of an NTC resistor R16, and the other end of the resistor R15 and the other end of the NTC resistor R16 are grounded; the pin 13 of the buck converter U2 is electrically connected with one end of a resistor R17, the other end of the resistor R17 is respectively electrically connected with one end of a resistor R18 and the pin 12 of the buck converter U2, and the other end of the resistor R18 is grounded; the pin 15 and the pin 16 of the buck converter U2 are respectively and electrically connected with one end of the capacitor C10 and one end of the inductor L2, the other end of the inductor L2 is electrically connected with the positive electrode of the energy storage unit 300, and the other end of the capacitor C10 is electrically connected with the pin 14 of the buck converter U2; in this scheme, the buck converter U2 is IP2365.IP2365 is a buck converter integrated with synchronous switch, the switching frequency is 250kHz, and the conversion efficiency is as high as 95%. The input voltage range is 5-2V, which can meet the charging requirement of the energy storage unit 300. As shown in fig. 6, the externally connected charge input is first filtered by the capacitors C6 and C7, and then divided by the resistors R10 and R11, and then input to the pin 1 of the buck converter U2. The pin 3 and the pin 4 of the buck converter U2 are a charging current setting pin and an input current limiting setting pin respectively, and the charging current and the input current limiting size are set respectively through external resistors R12 and R13. Pin 8 of buck converter U2 is a charge state indication, i.e., the state of illumination of light emitting diode LED3 indicates that buck converter U2 is charging energy storage unit 300. The pin 8 of the buck converter U2 is an NTC temperature detection function, the scheme adopts a scheme that two resistors R15 and an NTC resistor R16 are connected in parallel, and the temperature of the energy storage unit 300 exceeds 45 ℃, so that the charging current is halved. If the NTC function is not used, instead of NTC resistors, a 51K resistor is used to ground. Pin 14 of buck converter U2 is the bootstrap terminal, and pin 15 and pin 16 are DC/DC switching nodes, directly connected with inductance L2. The voltage output via the buck converter U2 is slightly lower than the terminal voltage of the full state of the energy storage unit 300.
As shown in fig. 9, the dc output unit 500 includes a first buck chip U4 and a second buck chip U5; the positive electrode of the energy storage unit 300 is respectively and electrically connected with one end of a resistor R31 and a pin 6 of the first voltage reduction chip U4, and the other end of the resistor R31 is respectively and electrically connected with a pin 1, a pin 7 and a pin 8 of the first voltage reduction chip U4; the pin 4 of the first buck chip U4 is grounded, the pin 3 of the first buck chip U4 is electrically connected with one end of the capacitor C14, and the other end of the capacitor C14 is grounded; the pin 2 of the first buck chip U4 is electrically connected with the cathode of the diode D5 and one end of the inductor L3, the anode of the diode D5 is grounded, the other end of the inductor L3 is electrically connected with one end of the capacitor C15 and one end of the resistor R33 respectively, the other end of the resistor R33 is electrically connected with the pin 5 of the first buck chip U4 and one end of the resistor R32 respectively, and the other end of the resistor R32 is grounded; the other end of the inductor L3 also independently outputs a 12V voltage signal to the second voltage reduction chip U5; the pin 3 of the second buck chip U5 is electrically connected with one end of the capacitor C16, the pin 2 of the second buck chip U5 is electrically connected with one end of the capacitor C17, and the other end of the capacitor C16, the other end of the capacitor C17 and the pin 1 of the second buck chip U5 are commonly grounded; the second buck chip U5 converts an input 12V voltage signal into a 5V voltage signal and outputs the 5V voltage signal; the first buck chip U4 is MC33063; the second buck chip U5 is PW6206-5. As shown in the figure, the first buck chip U4 is also a STEP-DOWN Converter, and the output voltage thereof is determined to be 1.25 x (1+r33/R32), i.e. 12VDC, and if a low voltage dc signal needs to be further output, the second buck chip U5 is further used to STEP DOWN and then output a 5VDC signal.
As a preferred embodiment, the inverter output unit 600 of the present embodiment is a commercially available 12VDC-220VAC ac inverter product. Such as sinusoidal inverter products from Zhejiang power technologies, inc.
As shown in fig. 8, the power display unit 800 includes a voltage comparator U3; the positive electrode of the energy storage unit 300 is electrically connected with one end of a current limiting resistor R19, one end of a voltage dividing resistor R20, one end of a current limiting resistor R27, one end of a current limiting resistor R28, one end of a current limiting resistor R29, one end of a current limiting resistor R30 and the power input end of a voltage comparator U3; the voltage comparator U3 comprises a first voltage comparing unit U3.1, a second voltage comparing unit U3.2, a third voltage comparing unit U3.3 and a fourth voltage comparing unit U3.4 which are independent, wherein one end of the voltage dividing resistor R20 is respectively and electrically connected with the inverting input end of the first voltage comparing unit U3.1, the inverting input end of the second voltage comparing unit U3.2, the inverting input end of the third voltage comparing unit U3.3, the inverting input end of the fourth voltage comparing unit U3.4 and one end of the resistor R21; the other end of the current limiting resistor R19 is respectively and electrically connected with the cathode of the voltage stabilizing diode D4, one end of the capacitor C13 and one end of the resistor R22, the other end of the resistor R22 is electrically connected with the non-inverting input end of the first voltage comparing unit U3.1 and one end of the resistor R23, the other end of the resistor R23 is electrically connected with the non-inverting input end of the second voltage comparing unit U3.2 and one end of the resistor R24, the other end of the resistor R24 is electrically connected with the non-inverting input end of the third voltage comparing unit U3.3 and one end of the resistor R25, and the other end of the resistor R25 is electrically connected with the non-inverting input end of the fourth voltage comparing unit U3.4 and one end of the resistor R26; the other end of the capacitor C13, the anode of the zener diode D4, the other end of the resistor R26 and the other end of the resistor R21 are commonly grounded;
the output end of the first voltage comparison unit U3.1 is electrically connected with the cathode of the light emitting diode LED4, and the anode of the light emitting diode LED4 is electrically connected with the other end of the current limiting resistor R27; the output end of the second voltage comparison unit U3.2 is electrically connected with the cathode of the light emitting diode LED5, and the anode of the light emitting diode LED5 is electrically connected with the other end of the current limiting resistor R28; the output end of the third voltage comparison unit U3.3 is electrically connected with the cathode of the light-emitting diode LED6, and the anode of the light-emitting diode LED6 is electrically connected with the other end of the current-limiting resistor R29; the output end of the fourth voltage comparing unit U3.4 is electrically connected with the cathode of the light emitting diode LED7, and the anode of the light emitting diode LED7 is electrically connected with the other end of the current limiting resistor R30. When the voltage of the non-inverting input end of a certain voltage comparison unit is higher than the reference voltage of the inverting input end of the voltage comparison unit, the state of the output end of the voltage comparison unit is inverted, namely, a low level is output, and the LED with the output end connected reversely is lighted; on the contrary, if the voltage of the non-inverting input end of a certain voltage comparison unit is lower than the reference voltage of the inverting input end of the voltage comparison unit, the output end of the voltage comparison unit outputs a high level, and the light emitting diode of the output end of the voltage comparison unit cannot be lightened. The four-section LED lamp is adopted in the scheme, and the corresponding terminal voltage change condition of the energy storage unit 300 is respectively indicated. When the terminal voltage of the energy storage unit 300 becomes gradually smaller in the 14.6-14V interval, the number of the lighted LED lamps is sequentially reduced.
As shown in fig. 10, the lighting unit 700 includes at least one LED serial branch and a switch KEY, the positive electrode of the energy storage unit 300 is electrically connected with one end of the switch KEY, the other end of the switch KEY is electrically connected with one end of the at least one LED serial branch, and the other end of the at least one LED serial branch is electrically connected with the negative electrode of the energy storage unit 300. Each LED serial branch comprises a plurality of Light Emitting Diodes (LEDs) 8 which are connected in sequence, the anode of each head end LED8 of at least one LED serial branch is electrically connected with the other end of the switch KEY, and the cathode of each tail end LED8 of at least one LED serial branch is electrically connected with the cathode of the energy storage unit 300. When the switch KEY is pressed, the light emitting diodes LED8 are always on. The individual light emitting diodes LED8 may be arranged in an array.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (9)
1. An outdoor portable energy storage power supply, which is characterized by comprising
The box comprises a hollow box body (1), wherein two opposite end surfaces of the box body (1) are provided with a through first window (100) and a through second window (200);
a first end cap (2) embedded in the first window (100) and partially closing the first window (100);
the second end cover (3) is embedded in the second window (200) and seals the second window (200);
the energy storage unit (300) is positioned in the box body (1) between the first end cover (2) and the second end cover (3) and is fixedly connected with the inner surface of one side, close to the ground, of the box body (1);
the charging unit (400) is arranged in the box body (1) at one side of the energy storage unit (300) far away from the ground, the input end of the charging unit (400) is embedded on the first end cover (2), and the input end is electrically connected with the energy storage unit (300);
the input end of the direct current output unit (500) is electrically connected with the energy storage unit (300), and the output end of the direct current output unit is embedded on the first end cover (2);
the inversion output unit (600) is also arranged on one side, far away from the ground, of the energy storage unit (300), the input end of the inversion output unit (600) is electrically connected with the energy storage unit (300), and the output end is embedded on the first end cover (2);
the input end of the charging unit (400), the output end of the direct current output unit (500) and the output end of the inversion output unit (600) are sequentially arranged on the first end cover (2) at intervals, and do not extend out of the end face of the box body (1) where the first window (100) is located.
2. An outdoor portable power storage according to claim 1, characterized in that the first window (100) is further provided with a lighting unit (700), the lighting unit (700) being also embedded in the first window (100) and abutting against the first end cap (2).
3. An outdoor portable energy storage power supply according to claim 2, characterized in that two ends of the box body (1) extending along the radial direction of the first window (100) or the second window (200) are respectively provided with a handle part (4), and the handle parts (4) are staggered on the side surface of the box body (1) and extend out of the surface of the box body (1) along the radial direction of the first window (100); the surface of the box body (1) between the lifting handle parts (4) is also provided with an electric quantity display unit (800).
4. An outdoor portable energy storage power supply according to claim 3, characterized in that the charging unit (400) comprises a photovoltaic input module (401); the input end of the photovoltaic input module (401) is detachably connected with an external solar photovoltaic panel, the photovoltaic input module (401) comprises a first charging chip U1, the output end of the solar photovoltaic panel is respectively grounded with the anode of a Schottky diode D1, one end of a resistor R1 and the other end of a decoupling capacitor C1, which are electrically connected, respectively, with the other end of the decoupling capacitor C1, the cathode of the Schottky diode D1 is electrically connected with a pin 1 of the first charging chip U1, the anode of a light emitting diode LED1 and the anode of a light emitting diode LED2, the cathode of the light emitting diode LED1 is electrically connected with a pin 4 of the first charging chip U1, and the cathode of the light emitting diode LED2 is electrically connected with a pin 5 of the first charging chip U1; the other end of the resistor R1 is electrically connected with the 2 of the first charging chip U1 and one end of the resistor R2 respectively, the other end of the resistor R2 is electrically connected with the pin 3 of the first charging chip U1 and one end of the resistor R3, and the other end of the resistor R3 is grounded; the pin 6 of the first charging chip U1 is electrically connected with one end of the capacitor C2, and the other end of the capacitor C2 is grounded; the pin 8 of the first charging chip U1 is electrically connected with one end of the NTC resistor R4, and the other end of the NTC resistor R4 is grounded; the pin 9 of the first charging chip U1 is respectively and electrically connected with one end of a resistor R5, one end of a resistor R8, one end of the resistor R9 and the positive electrode of the energy storage unit (300), the other end of the resistor R5 is respectively and electrically connected with one end of a resistor R6 and one end of a resistor R7, the other end of the resistor R6 is grounded, and the other end of the resistor R7 is electrically connected with the pin 7 of the first charging chip U1; the pin 10 of the first charging chip U1 is electrically connected with the other end of the resistor R8, the other end of the resistor R9 and one end of the inductor L1, the other end of the inductor L1 is electrically connected with the cathode of the Schottky diode D3, one end of the capacitor C3 and the pin 12 of the first charging chip U1 respectively, the other end of the capacitor C3 is electrically connected with the pin 11 of the first charging chip U1 and the cathode of the diode D2 respectively, and the anode of the diode D2 is electrically connected with the pin 10 of the first charging chip U1; the anode of the Schottky diode D3 is grounded; the photovoltaic input module charges the energy storage unit (300) through an external solar photovoltaic panel; the first charging chip U1 is LT3652HVEDD.
5. An outdoor portable power supply according to claim 4, wherein said charging unit (400) further comprises a dc input module (402); the direct current input module (402) comprises a buck converter U2; the external direct current input is respectively and electrically connected with the pin 22, the pin 23, the pin 24 and one end of the resistor R10 of the buck converter U2, the other end of the resistor R10 is respectively and electrically connected with one end of the resistor R11 and the pin 1 of the buck converter U2, and the other end of the resistor R11 is grounded; pin 3 of buck converter U2 is electrically connected to one end of resistor R12, the other end of resistor R12 is grounded, pin 4 of buck converter U2 is electrically connected to one end of resistor R13, and the other end of resistor R13 is grounded; the pin 8 of the buck converter U2 is electrically connected with one end of a resistor R14, the other end of the resistor R14 is electrically connected with the anode of the light-emitting diode LED3, and the cathode of the light-emitting diode LED3 is grounded; the pin 10 of the buck converter U2 is electrically connected with one end of a resistor R15 and one end of an NTC resistor R16, and the other end of the resistor R15 and the other end of the NTC resistor R16 are grounded; the pin 13 of the buck converter U2 is electrically connected with one end of a resistor R17, the other end of the resistor R17 is respectively electrically connected with one end of a resistor R18 and the pin 12 of the buck converter U2, and the other end of the resistor R18 is grounded; the pin 15 and the pin 16 of the buck converter U2 are respectively and electrically connected with one end of the capacitor C10 and one end of the inductor L2, the other end of the inductor L2 is electrically connected with the positive electrode of the energy storage unit (300), and the other end of the capacitor C10 is electrically connected with the pin 14 of the buck converter U2; buck converter U2 is IP2365.
6. An outdoor portable power supply according to claim 3, wherein said dc output unit (500) comprises a first buck chip U4 and a second buck chip U5; the positive electrode of the energy storage unit (300) is respectively and electrically connected with one end of a resistor R31 and a pin 6 of the first voltage reduction chip U4, and the other end of the resistor R31 is respectively and electrically connected with a pin 1, a pin 7 and a pin 8 of the first voltage reduction chip U4; the pin 4 of the first buck chip U4 is grounded, the pin 3 of the first buck chip U4 is electrically connected with one end of the capacitor C14, and the other end of the capacitor C14 is grounded; the pin 2 of the first buck chip U4 is electrically connected with the cathode of the diode D5 and one end of the inductor L3, the anode of the diode D5 is grounded, the other end of the inductor L3 is electrically connected with one end of the capacitor C15 and one end of the resistor R33 respectively, the other end of the resistor R33 is electrically connected with the pin 5 of the first buck chip U4 and one end of the resistor R32 respectively, and the other end of the resistor R32 is grounded; the other end of the inductor L3 also independently outputs a 12V voltage signal to the second voltage reduction chip U5; the pin 3 of the second buck chip U5 is electrically connected with one end of the capacitor C16, the pin 2 of the second buck chip U5 is electrically connected with one end of the capacitor C17, and the other end of the capacitor C16, the other end of the capacitor C17 and the pin 1 of the second buck chip U5 are commonly grounded; the second buck chip U5 converts an input 12V voltage signal into a 5V voltage signal and outputs the 5V voltage signal; the first buck chip U4 is MC33063; the second buck chip U5 is PW6206-5.
7. An outdoor portable power supply according to claim 3, characterized in that said power level display unit (800) comprises a voltage comparator U3; the positive electrode of the energy storage unit (300) is electrically connected with one end of a current-limiting resistor R19, one end of a voltage dividing resistor R20, one end of a current-limiting resistor R27, one end of a current-limiting resistor R28, one end of a current-limiting resistor R29, one end of a current-limiting resistor R30 and the power input end of a voltage comparator U3; the voltage comparator U3 comprises a first voltage comparison unit, a second voltage comparison unit, a third voltage comparison unit and a fourth voltage comparison unit which are independent, wherein one end of the divider resistor R20 is respectively and electrically connected with the inverting input end of the first voltage comparison unit, the inverting input end of the second voltage comparison unit, the inverting input end of the third voltage comparison unit, the inverting input end of the fourth voltage comparison unit and one end of the resistor R21; the other end of the current limiting resistor R19 is respectively and electrically connected with the cathode of the voltage stabilizing diode D4, one end of the capacitor C13 and one end of the resistor R22, the other end of the resistor R22 is electrically connected with the non-inverting input end of the first voltage comparing unit and one end of the resistor R23, the other end of the resistor R23 is electrically connected with the non-inverting input end of the second voltage comparing unit and one end of the resistor R24, the other end of the resistor R24 is electrically connected with the non-inverting input end of the third voltage comparing unit and one end of the resistor R25, and the other end of the resistor R25 is electrically connected with the non-inverting input end of the fourth voltage comparing unit and one end of the resistor R26; the other end of the capacitor C13, the anode of the zener diode D4, the other end of the resistor R26 and the other end of the resistor R21 are commonly grounded;
the output end of the first voltage comparison unit is electrically connected with the cathode of the Light Emitting Diode (LED) 4, and the anode of the Light Emitting Diode (LED) 4 is electrically connected with the other end of the current limiting resistor R27; the output end of the second voltage comparison unit is electrically connected with the cathode of the Light Emitting Diode (LED) 5, and the anode of the Light Emitting Diode (LED) 5 is electrically connected with the other end of the current limiting resistor R28; the output end of the third voltage comparison unit is electrically connected with the cathode of the Light Emitting Diode (LED) 6, and the anode of the Light Emitting Diode (LED) 6 is electrically connected with the other end of the current limiting resistor R29; the output end of the fourth voltage comparison unit is electrically connected with the cathode of the light emitting diode (LED 7), and the anode of the light emitting diode (LED 7) is electrically connected with the other end of the current limiting resistor (R30).
8. An outdoor portable power supply according to claim 3, wherein the lighting unit (700) comprises at least one LED series branch and a switch KEY, the positive electrode of the power storage unit (300) is electrically connected to one end of the switch KEY, the other end of the switch KEY is electrically connected to one end of the at least one LED series branch, and the other end of the at least one LED series branch is electrically connected to the negative electrode of the power storage unit (300).
9. An outdoor portable power storage according to claim 1, wherein the energy storage unit (300) is a lithium iron phosphate battery, type IFR39139-20Ah.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320234083.5U CN219372064U (en) | 2023-02-16 | 2023-02-16 | Outdoor portable energy storage power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320234083.5U CN219372064U (en) | 2023-02-16 | 2023-02-16 | Outdoor portable energy storage power supply |
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| Publication Number | Publication Date |
|---|---|
| CN219372064U true CN219372064U (en) | 2023-07-18 |
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| CN202320234083.5U Active CN219372064U (en) | 2023-02-16 | 2023-02-16 | Outdoor portable energy storage power supply |
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| CN (1) | CN219372064U (en) |
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