CN-224233355-U - Convenient power supply system

Abstract

The utility model discloses a convenient power supply system which comprises a plurality of photovoltaic plates, a charging control circuit, a storage battery, an inverter, a microprocessor, a first acquisition circuit, a second acquisition circuit, a third acquisition circuit and a charging circuit, wherein the photovoltaic plates are detachably connected with a surrounding wall body through mounting brackets, the charging control circuit is electrically connected with the photovoltaic plates, the storage battery is electrically connected with the charging control circuit, the inverter is electrically connected with the storage battery, the charging control circuit comprises the microprocessor, the first acquisition circuit is used for measuring the voltage of the storage battery, the second acquisition circuit is used for measuring the current of the storage battery, the third acquisition circuit is used for measuring the voltage of the photovoltaic plates, and the charging circuit is electrically connected with the microprocessor, the photovoltaic plates and the storage battery. According to the scheme, during construction of the enclosure, the photovoltaic plate can be installed on the upper portion of the enclosure wall body through the installation support, the storage battery is powered through the photovoltaic plate and the charging control circuit, and the power utilization tool can be powered through the storage battery and the inverter.

Inventors

• YU WEIJIN
• ZHENG XIAOJUN

Assignees

• 北京众能力电科技有限公司

Dates

Publication Date

20260512

Application Date

20250403

Claims (5)

1. 1. A portable power supply system is characterized by comprising: The photovoltaic panels (10) are detachably connected with the enclosure wall body through mounting brackets; a charge control circuit (20) electrically connected to the photovoltaic panel (10); a storage battery (30) electrically connected to the charge control circuit (20); An inverter (40) electrically connected to the battery (30); wherein the charge control circuit (20) includes: a microprocessor (U1); a first acquisition circuit (21) for measuring the voltage of the battery (30), the first acquisition circuit (21) being electrically connected to the microprocessor (U1) and to the battery (30); a second acquisition circuit (22) for measuring the current of the battery (30), the second acquisition circuit (22) being electrically connected to the microprocessor (U1) and to the battery (30); A third acquisition circuit (23) measuring the voltage of the photovoltaic panel (10), the third acquisition circuit (23) being electrically connected to the microprocessor (U1) and to the photovoltaic panel (10); -a charging circuit (24), said charging circuit (24) being electrically connected to said microprocessor (U1), to said photovoltaic panel (10) and to said accumulator (30); Wherein, enclose the barricade body and include: the frame structure is formed by sequentially connecting two upright posts (51) and two cross beams (52) end to end; A baffle (53) is connected inside the frame structure; Protruding parts (55) are formed at the upper ends of the two upright posts (51), and the protruding parts (55) are detachably connected with the mounting bracket; The bottoms of the two upright posts (51) are provided with connecting lug seats (54); Wherein, the installing support includes: the connecting seat is detachably connected with the protruding part (55); The support column (12), the said support column (12) is connected with said connection seat; The bearing frame (11), the bearing frame (11) is connected with the supporting column (12), and the photovoltaic panel (10) is arranged on the upper surface of the bearing frame (11); A plurality of reinforcing rods (13), wherein the plurality of reinforcing rods (13) are connected between the bearing frame (11) and the supporting columns (12); wherein, the connection seat includes: the plug-in socket (14) is internally provided with a plug-in cavity, and the plug-in cavity is in plug-in fit with the protruding part (55); a threaded hole (15) is formed in the surface of the plug seat (14) in a penetrating manner, and a fastening bolt is connected with the threaded hole (15) in a threaded manner; the charging circuit (24) includes: A grid electrode of the eighth MOS tube (Q8) is electrically connected with a EPWM A pin of the microprocessor (U1) through a tenth resistor (R10), a ninth resistor (R9) is electrically connected between the grid electrode and the source electrode of the eighth MOS tube (Q8), the source electrode of the eighth MOS tube (Q8) is electrically connected with the positive electrode of the photovoltaic panel (10) through a fourteenth capacitor (C14), the drain electrode of the eighth MOS tube (Q8) is electrically connected with the negative electrode of the photovoltaic panel (10), a seventh capacitor (C7), an eighth capacitor (C8), a ninth capacitor (C9), a tenth capacitor (C10) and an eleventh capacitor (C11) are all connected in parallel with the fourteenth capacitor (C14), a twelfth resistor (R12) is electrically connected between the positive electrode and the negative electrode of the photovoltaic panel (10), the thirteenth resistor (R13) and the fourteenth resistor (R14) are all connected in parallel with the twelfth resistor (R12), and the positive electrode of the photovoltaic panel (10) is electrically connected with the positive electrode of the storage battery (30); The MOS device comprises a first MOS tube (Q1), wherein a source electrode of the first MOS tube (Q1) is electrically connected with a source electrode of an eighth MOS tube (Q8), a drain electrode of the first MOS tube (Q1) is electrically connected with an anode of a storage battery (30) through a first diode (D1), a drain electrode of the first MOS tube (Q1) is electrically connected with an anode of the storage battery (30) through a first capacitor (C1) and a first resistor (R1), a third capacitor (C3) and a third resistor (R3) are electrically connected between the source electrode and the drain electrode of the first MOS tube (Q1), a fourth resistor (R4) is connected with the third resistor (R3) in parallel, and a grid electrode of the first MOS tube (Q1) is electrically connected with a EPWM A pin of a microprocessor (U1) through a seventh resistor (R7); the source electrode of the second MOS tube (Q2) is electrically connected with the source electrode of the eighth MOS tube (Q8), the drain electrode of the second MOS tube (Q2) is electrically connected with the anode of the storage battery (30) through a second diode (D2), the drain electrode of the second MOS tube (Q2) is electrically connected with the anode of the storage battery (30) through a second capacitor (C2) and a second resistor (R2), a fourth capacitor (C4) and a fifth resistor (R5) are electrically connected between the source electrode and the drain electrode of the second MOS tube (Q2), a sixth resistor (R6) is connected with the fifth resistor (R5) in parallel, and the grid electrode of the second MOS tube (Q2) is electrically connected with a EPWM A pin of the microprocessor (U1) through the eighth resistor (R8); The first pin of the first inductor (L1) is electrically connected with the drain electrode of the first MOS tube (Q1) and the drain electrode of the second MOS tube (Q2), the second pin of the first inductor (L1) is electrically connected with the anode of the storage battery (30) through a fifth capacitor (C5), and a sixth capacitor (C6) is connected with the fifth capacitor (C5) in parallel; The source electrode of the third MOS tube (Q3) is electrically connected with the second pin of the first inductor (L1) through a first load resistor (LR 1), the second load resistor (LR 2) and the third load resistor (LR 3) are connected with the first load resistor (LR 1) in parallel, the grid electrode of the third MOS tube (Q3) is electrically connected with the anode of the storage battery (30) through an eleventh resistor (R11), the drain electrode of the third MOS tube (Q3) is electrically connected with the cathode of the storage battery (30) through a first fuse (F1), the second fuse (F2) and the third fuse (F3) are connected with the first fuse (F1) in parallel, the drain electrode of the third MOS tube (Q3) is electrically connected with the anode of the storage battery (30) through a twelfth capacitor (C12), and the drain electrode of the third MOS tube (Q3) is grounded.
2. 2. Portable power supply system according to claim 1, characterized in that the first acquisition circuit (21) comprises: The power supply circuit comprises a first operational amplifier (U2), wherein a VCC+ pin of the first operational amplifier (U2) is electrically connected with a VDD pin of a microprocessor (U1), a GND pin of the first operational amplifier (U2) is grounded, a 2IN+ pin of the first operational amplifier (U2) is electrically connected with a positive electrode of a storage battery (30) through a twenty-ninth resistor (R29) and a thirty-eighth resistor (R30), a twenty-first capacitor (C20) is electrically connected between a2 IN-pin and a 2IN+ pin of the first operational amplifier (U2), a2 IN-pin of the first operational amplifier (U2) is grounded through a twenty-seventh resistor (R27) and a twenty-eighth resistor (R28), a twenty-sixth resistor (R26) is electrically connected between a 2OUT pin and a2 IN-pin of the first operational amplifier (U2), and a 2OUT pin of the first operational amplifier (U2) is electrically connected with a ADCINA pin of the microprocessor (U1) through a twenty-fifth resistor (R25).
3. 3. The portable power supply system according to claim 1, wherein the second acquisition circuit (22) comprises: The VCC+ pin of second operational amplifier (U3) is connected with the VDD pin of microprocessor (U1), the GND pin of second operational amplifier (U3) connects casing ground, the 2IN+ pin of second operational amplifier (U3) through thirty-ninth resistance (39) with the junction of first load resistance (LR 1) and the source of third MOS pipe (Q3) is connected, be connected with twenty-sixth electric capacity (C26) between the 2 IN-pin of second operational amplifier (U3) and the 2IN+ pin, the 2 IN-pin of second operational amplifier (U3) through thirty-eighth resistance (R38) with the junction of first load resistance (LR 1) and first inductance (L1) is connected with thirty-seventh resistance (R37) between the 2OUT pin of second operational amplifier (U3) and 2 IN-pin, the 2 IN-pin of second operational amplifier (U3) is connected with microprocessor ADCINA through thirty-eighth resistance (R38) and thirty-sixth resistance (U3).
4. 4. Portable power supply system according to claim 1, characterized in that the third acquisition circuit (23) comprises: The VCC+ pin of the third operational amplifier (U4) is electrically connected with the VDD pin of the microprocessor (U1), the GND pin of the third operational amplifier (U4) is grounded, the 1IN+ pin of the third operational amplifier (U4) is electrically connected with the positive electrode of the photovoltaic panel (10) through a forty-fifth resistor (R45) and a forty-sixth resistor (R46), a thirty-first capacitor (C31) is electrically connected between the 1 IN-pin and the 1IN+ pin of the third operational amplifier (U4), the 1 IN-pin of the third operational amplifier (U4) is electrically connected with the negative electrode of the photovoltaic panel (10) through a forty-third resistor (R43) and a forty-fourth resistor (R44), the twenty-eighth capacitor (C28) is electrically connected between the 1OUT pin and the 1 IN-pin of the third operational amplifier (U4), and the 1OUT pin of the third operational amplifier (U4) is electrically connected with the microprocessor (ADCINA) through the forty-third resistor (R43) and the forty-fourth resistor (R44).
5. 5. Portable power supply system according to claim 1, characterized in that the carrying frame (11) is arranged obliquely.

Description

Convenient power supply system Technical Field The utility model relates to the technical field of engineering construction electricity consumption, in particular to a convenient power supply system. Background In the construction process, the fence and the like are needed to enclose the construction site in order to ensure the surrounding safety, the matched electricity is imperfect in the construction process, the temporary electricity is needed in the construction process, the temporary electricity cost is high in a mode of wire drawing power distribution, the wire drawing process is time-consuming and labor-consuming, the time length of the electricity is uncertain for the temporary electricity, the frequent wire drawing and wire collection operation is needed, the construction efficiency is affected, and the construction cost is increased. Disclosure of utility model The utility model provides a convenient power supply system, wherein a photovoltaic panel can be installed on the upper part of a fence wall body through an installation bracket during construction of the fence, and a storage battery is powered through the photovoltaic panel and a charging control circuit. The electric tool can be powered through the storage battery and the inverter, temporary power requirements of different positions can be met through installation in a plurality of places, the operation is simple and convenient, the construction efficiency is improved, and the construction cost is reduced. In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides a convenient power supply system, which comprises: The photovoltaic panels are detachably connected with the enclosure wall body through the mounting brackets; a charge control circuit electrically connected to the photovoltaic panel; a storage battery electrically connected to the charge control circuit; An inverter electrically connected to the battery; The charge control circuit includes: A microprocessor; The first acquisition circuit is used for measuring the voltage of the storage battery and is electrically connected with the microprocessor and the storage battery; The second acquisition circuit is used for measuring the current of the storage battery and is electrically connected with the microprocessor and the storage battery; The third acquisition circuit is used for measuring the voltage of the photovoltaic panel and is electrically connected with the microprocessor and the photovoltaic panel; the charging circuit is electrically connected with the microprocessor, the photovoltaic panel and the storage battery; the enclosing wall body comprises: A frame structure formed by sequentially connecting two upright posts and two cross beams end to end; A baffle is connected inside the frame structure; protruding parts are formed at the upper ends of the two upright posts and are detachably connected with the mounting bracket; the bottoms of the two upright posts are provided with connecting lug seats; the mounting bracket includes: the connecting seat is detachably connected with the protruding part; The support column is connected with the connecting seat; The bearing frame is connected with the supporting column, and the photovoltaic panel is arranged on the upper surface of the bearing frame; the plurality of reinforcing rods are connected between the bearing frame and the support columns; the connecting seat comprises: the plug-in base is internally provided with a plug-in cavity which is in plug-in fit with the protruding part; The surface of the socket is provided with a threaded hole in a penetrating way, and a fastening bolt is connected with the interior of the threaded hole in a threaded way; The charging circuit includes: The system comprises a microprocessor, an eighth MOS tube, a seventh capacitor, an eighth capacitor, a ninth capacitor, a tenth capacitor and an eleventh capacitor, wherein the grid electrode of the eighth MOS tube is electrically connected with a EPWM A pin of the microprocessor through a tenth resistor, a ninth resistor is electrically connected between the grid electrode and the source electrode of the eighth MOS tube, the source electrode of the eighth MOS tube is electrically connected with the anode of a photovoltaic panel through a fourteenth capacitor, the drain electrode of the eighth MOS tube is electrically connected with the cathode of the photovoltaic panel; The source electrode of the first MOS tube is electrically connected with the source electrode of the eighth MOS tube, the drain electrode of the first MOS tube is electrically connected with the anode of the storage battery through a first diode, the drain electrode of the first MOS tube is electrically connected with the anode of the storage battery through a first capacitor and a first resistor, a third capacitor and a third resistor are electrically connected between the source electrode and the drain electro