CN221929376U - A vibration micro-energy voltage-stabilized power supply system - Google Patents
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Abstract
本实用新型涉及一种稳压供电系统，尤其涉及一种振动微能量稳压供电系统。包括整流滤波模块、升压模块、储能模块、稳压模块，所述整流滤波模块的输出与升压模块输入相连，所述升压模块输出与储能模块相连，储能模块与稳压模块相连。其能够有效的保护电池，可以为振动能量收集系统提供整套的电源供给方案。
The utility model relates to a voltage-stabilized power supply system, and in particular to a vibration micro-energy voltage-stabilized power supply system. It includes a rectifier filter module, a boost module, an energy storage module, and a voltage stabilization module. The output of the rectifier filter module is connected to the input of the boost module, the output of the boost module is connected to the energy storage module, and the energy storage module is connected to the voltage stabilization module. It can effectively protect the battery and provide a complete power supply solution for the vibration energy collection system.
Description
技术领域Technical Field
本实用新型涉及一种稳压供电系统，尤其涉及一种振动微能量稳压供电系统。The utility model relates to a voltage-stabilized power supply system, in particular to a vibration micro-energy voltage-stabilized power supply system.
背景技术Background Art
目前，能源短缺问题已经是一个热门话题之一。环境中的机械振动、太阳能、风能等形式的能源逐渐进入大家视野。其中机械振动所含有的振动微能量由于分布较广，不受天气环境影响、绿色无污染等优点，已经成为了能量采集领域的研究热点。现在的振动能量收集技术就是将环境中废弃的振动能量通过能量收集器收集起来，再通过储能电路将收集器的能量储存在超级电容器或者锂电池中，并加以利用的一项技术。目前大多数移动设备均使用可充电锂电池进行供电，通过一系列的方法降低系统损耗用来延长电池的使用时间。但是无论降低多少功耗，电池电量是有限的。总会有电量耗尽的时候。然而往往这些应用并不适合进行频繁更换电池。At present, the problem of energy shortage has become one of the hot topics. Energy in the form of mechanical vibration, solar energy, wind energy, etc. in the environment has gradually entered everyone's field of vision. Among them, the vibration micro-energy contained in mechanical vibration has become a research hotspot in the field of energy harvesting due to its wide distribution, unaffected by the weather environment, green and pollution-free. The current vibration energy harvesting technology is a technology that collects the waste vibration energy in the environment through an energy collector, and then stores the collector's energy in a supercapacitor or lithium battery through an energy storage circuit and utilizes it. At present, most mobile devices are powered by rechargeable lithium batteries, and a series of methods are used to reduce system losses to extend the battery life. However, no matter how much the power consumption is reduced, the battery power is limited. There will always be a time when the power is exhausted. However, these applications are often not suitable for frequent battery replacement.
随着振动能量收集技术的进步，能量收集器产生的电能足够被很多的低功耗的系统所使用，因此使用振动能量收集器为某些移动设备供电是可行的。但是能量收集器产生的一般是交流电，存在难以直接应用的问题，所以需要设计一种新的电池充电稳压技术来解决无法直接应用，以及能量存储的问题。With the advancement of vibration energy harvesting technology, the power generated by energy harvesters is sufficient to be used by many low-power systems, so it is feasible to use vibration energy harvesters to power some mobile devices. However, energy harvesters generally generate alternating current, which is difficult to apply directly, so a new battery charging voltage regulation technology needs to be designed to solve the problem of direct application and energy storage.
发明内容Summary of the invention
本实用新型就是针对现有技术存在的缺陷，提供一种振动微能量稳压供电系统。其能够有效的保护电池，可以为振动能量收集系统提供整套的电源供给方案。The utility model aims to solve the defects of the prior art and provides a vibration micro-energy voltage-stabilized power supply system, which can effectively protect the battery and provide a complete power supply solution for the vibration energy collection system.
为实现上述目的，本实用新型采用如下技术方案，包括整流滤波模块、升压模块、储能模块、稳压模块，其特征在于，所述整流滤波模块的输出与升压模块输入相连，所述升压模块输出与储能模块相连，储能模块与稳压模块相连。To achieve the above-mentioned purpose, the utility model adopts the following technical scheme, including a rectifier and filter module, a boost module, an energy storage module, and a voltage stabilizing module, characterized in that the output of the rectifier and filter module is connected to the input of the boost module, the output of the boost module is connected to the energy storage module, and the energy storage module is connected to the voltage stabilizing module.
进一步地，所述整流滤波模块包括与振动能量收集器的输出相连的整流单元、与整流单元输出相连的滤波单元，其中，整流单元由四个二极管构成；滤波单元包括由两个电容器C5、C6、电感L3所构成的π型LC滤波单元；桥式整流单元的输出与滤波单元的输入相连，所述滤波单元的输出作为整流滤波模块的输出与升压模块输入相连。Furthermore, the rectification and filtering module includes a rectification unit connected to the output of the vibration energy collector and a filtering unit connected to the output of the rectification unit, wherein the rectification unit is composed of four diodes; the filtering unit includes a π-type LC filtering unit composed of two capacitors C5 and C6 and an inductor L3; the output of the bridge rectifier unit is connected to the input of the filtering unit, and the output of the filtering unit is connected to the input of the boost module as the output of the rectification and filtering module.
进一步地，所述升压模块包括芯片BQ25504，芯片BQ25504的2脚与整流滤波模块的输出相连，整流滤波模块的输出还分别通过电感L1与芯片BQ25504的16脚、通过电阻R2与芯片BQ25504的3脚相连；芯片BQ25504的4脚经电容C3与芯片BQ25504的5脚相连，芯片BQ25504的5脚经电容C4连接至整流滤波模块的输出；同时，芯片BQ25504的5脚接地；电阻R4与R5串联后作为支路一，电阻R7与R8串联后作为支路二，支路一与支路二并联后一端接入芯片BQ25504的7脚，并联后另一端经由电阻R1与R3组成的串联电路后作为串联输出端VOC；该串联输出端VOC接入芯片BQ25504的3脚；同时，该由电阻R1与R3组成的串联电路远离串联输出端VOC的一端接地；芯片BQ25504的6脚连接至电阻R4与5的连接公共端，芯片BQ25504的8脚连接至电阻R7与R8的连接公共端；芯片BQ25504的15脚经由电容C1与电容C2组成的并联电路后接地，芯片BQ25504的11脚与二极管D1正极相连，二极管D1负极经电阻R6接地；芯片BQ25504的14脚与储能模块输入端相连，芯片BQ25504的17、12、1、13脚相连后经过由电阻R9、R10、R11组成的串联电路后接入芯片BQ25504的7脚芯片BQ25504的10脚连接至电阻R9与R10的连接公共端，芯片BQ25504的9脚连接至电阻R11与R10的连接公共端。Furthermore, the boost module includes a chip BQ25504, wherein the 2nd pin of the chip BQ25504 is connected to the output of the rectifier and filter module, and the output of the rectifier and filter module is also connected to the 16th pin of the chip BQ25504 through the inductor L1 and to the 3rd pin of the chip BQ25504 through the resistor R2; the 4th pin of the chip BQ25504 is connected to the 5th pin of the chip BQ25504 through the capacitor C3, and the 5th pin of the chip BQ25504 is connected to the output of the rectifier and filter module through the capacitor C4; at the same time, the 5th pin of the chip BQ25504 is grounded; the resistors R4 and R5 are connected in series as branch one, and the resistors R7 and R8 are connected in series as branch two, and one end of the branch one and the branch two are connected in parallel to the 7th pin of the chip BQ25504, and the other end of the branch one and the branch two are connected in parallel to the series circuit composed of the resistors R1 and R3 as the series output terminal VOC; the series output terminal VOC is connected to the 3rd pin of the chip BQ25504; at the same time, the resistors R4 and R5 are connected in series as branch one, and the resistors R7 and R8 are connected in series as branch two. The end of the series circuit composed of resistors R1 and R3 away from the series output terminal VOC is grounded; the 6th pin of the chip BQ25504 is connected to the common end of the resistors R4 and 5, and the 8th pin of the chip BQ25504 is connected to the common end of the resistors R7 and R8; the 15th pin of the chip BQ25504 is grounded after passing through the parallel circuit composed of capacitors C1 and C2, the 11th pin of the chip BQ25504 is connected to the positive electrode of the diode D1, and the negative electrode of the diode D1 is grounded through the resistor R6; the 14th pin of the chip BQ25504 is connected to the input end of the energy storage module, the 17th, 12th, 1st, and 13th pins of the chip BQ25504 are connected and then connected to the 7th pin of the chip BQ25504 through the series circuit composed of resistors R9, R10, and R11; the 10th pin of the chip BQ25504 is connected to the common end of the resistors R9 and R10, and the 9th pin of the chip BQ25504 is connected to the common end of the resistors R11 and R10.
进一步地，所述稳压模块包括芯片RT6150BGQW，芯片RT6150BGQW的5脚、8脚、6脚、7脚均连接至储能模块输出端，芯片RT6150BGQW的4脚与2脚之间连接有电感L2，芯片RT6150BGQW的1脚作为输出，通过电容C9接地；芯片RT6150BGQW的1脚通过电阻R17分别与芯片RT6150BGQW的10脚、电阻R18的第一端相连，电阻R18的另一端与芯片RT6150BGQW的3脚相连；芯片RT6150BGQW的3脚、9脚、11脚均接地。Furthermore, the voltage stabilizing module includes a chip RT6150BGQW, wherein pins 5, 8, 6, and 7 of the chip RT6150BGQW are all connected to the output end of the energy storage module, an inductor L2 is connected between pins 4 and 2 of the chip RT6150BGQW, and pin 1 of the chip RT6150BGQW is used as an output and is grounded through a capacitor C9; pin 1 of the chip RT6150BGQW is respectively connected to pin 10 of the chip RT6150BGQW and a first end of a resistor R18 through a resistor R17, and the other end of the resistor R18 is connected to pin 3 of the chip RT6150BGQW; pins 3, 9, and 11 of the chip RT6150BGQW are all grounded.
进一步地，所述储能模块包括超级电容器、锂聚合物电池、锂电池中任意一种。Furthermore, the energy storage module includes any one of a supercapacitor, a lithium polymer battery, and a lithium battery.
与现有技术相比本实用新型有益效果。Compared with the prior art, the utility model has beneficial effects.
1本实用新型将振动能量收集器产生的交流电，储存并且应用。1 The utility model stores and uses the alternating current generated by the vibration energy collector.
2、本实用新型可以直接为系统提供3.3v电源。2. The utility model can directly provide 3.3V power to the system.
3、本实用新型所有应用的芯片都采用最小体积封装，适合对体积有要求的小功率电子器件。3. All chips used in the utility model are packaged in the smallest volume, which is suitable for small-power electronic devices with volume requirements.
附图说明BRIEF DESCRIPTION OF THE DRAWINGS
下面结合附图和具体实施方式对本实用新型做进一步说明。本实用新型保护范围不仅局限于以下内容的表述。The utility model is further described below in conjunction with the accompanying drawings and specific implementation methods. The protection scope of the utility model is not limited to the following descriptions.
图1是振动微能量稳压供电系统的原理框图。FIG1 is a block diagram of the principle of a vibration micro-energy voltage-stabilizing power supply system.
图2是整流滤波模块的电路图。FIG2 is a circuit diagram of a rectifier and filter module.
图3是升压模块的电路图。FIG3 is a circuit diagram of a boost module.
图4是稳压模块的电路图。FIG4 is a circuit diagram of a voltage stabilizing module.
具体实施方式DETAILED DESCRIPTION
为使本实用新型实施例的目的、技术方案和有益效果更加清楚，下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本实用新型一部分实施例，而不是全部的实施例。In order to make the purpose, technical scheme and beneficial effects of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all of the embodiments.
图1为原理框图，由雨水收集功能的水循环振动发电装置的拾取线圈输出端连接到振动微能量稳压供电系统的输入端CN1、CN2来收集外界振动能量。通过整流模块将产生的交流电转化为直流电。通过滤波模块将电能更平稳的输入到升压模块。通过升压模块将电压达到储能模块的充电电压。再通过稳压模块来管理储能模块的放电过程，确保储能模在安全范围内工作，最后供给负载。Figure 1 is a block diagram of the principle. The pickup coil output end of the water circulation vibration power generation device with rainwater collection function is connected to the input ends CN1 and CN2 of the vibration micro-energy voltage-stabilized power supply system to collect external vibration energy. The generated AC power is converted into DC power through the rectifier module. The electric energy is input to the boost module more smoothly through the filter module. The voltage is increased to the charging voltage of the energy storage module through the boost module. The discharge process of the energy storage module is then managed through the voltage stabilizing module to ensure that the energy storage module works within a safe range and finally supplies the load.
如图1-4所示，具体实施例：包括振动能量收集器、整流电路、滤波电路、BQ25504升压芯片、锂聚合物电池及RT6150BGQW稳压芯片。通过振动能量收集器将环境中振动能量转化为交流电，通过整流滤波电路将直流电输送到BQ25504升压芯片进行升压，升压到4.2V。经过BQ25504升压芯片将升压后的电能送入到可充电锂聚合物电池中，可充电锂聚合物电池通过RT6150BGQW稳压芯片将电压降至3.3V，为之后低功耗器件供电。具体的振动能量收集器的输出端接到CN1和VAC引脚接到整流滤波电路，通过VIN输出，接到BQ25504芯片的VIN_DC引脚，BQ25504升压芯片的LBST引脚通过22uH电感L1直接与BQ25504升压芯片的VIN_DC引脚直接相连。BQ25504升压芯片的VOC_SAMP引脚通过4M42电阻R2与BQ25504升压芯片的VIN_DC引脚直接相连。BQ25504升压芯片的VREF_SAMP引脚与10nF电容C3与BQ25504升压芯片的OT_PROG引脚直接相连。BQ25504升压芯片的VIN_DC引脚通过4.7uF电容C4与BQ25504升压芯片的OT_PROG引脚直接相连。BQ25504升压芯片的VOC_SAMP引脚连接10M电阻R1、5M62电阻R3与BQ25504升压芯片的OT_PROG引脚直接相连并接入GND接地端。BQ25504升压芯片的VRDIV引脚通过5M62电阻R5、4M42电阻R4形成串联电路并接入GND接地端，5M62电阻R5、4M42电阻R4之间连接到BQ25504升压芯片的BAT_OV引脚。6M19电阻R8、3M83电阻R7与5M62电阻R5、4M42电阻R4形成并联电路，另一端接GND接地端。6M19电阻R8、3M83电阻R7之间连接到BQ25504升压芯片的BAT_UV。536k电阻R9、6M19电阻R10、3M32电阻11形成串联电路分别与BQ25504升压芯片的EP、AVSS、VSS以及接地端GND连接。536k电阻R9与6M19电阻R10之间与BQ25504升压芯片的OK_PROG引脚直接相连。6M19电阻R10与3M32电阻11之间与BQ25504升压芯片的OK_HYST引脚直接相连。BQ25504升压芯片的VBAT_OK引脚通过发光二极管连接20k电阻R6接入GND接地端。BQ25504升压芯片的VSTOR引脚分别连接4.7uF电容C1、100nF电容C2，4.7uF电容C1和100nF电容C2形成并联电路接入接地端。BQ25504升压芯片的VBAT引脚是电源输出引脚，连接到可充电锂聚合物电池上。As shown in Figures 1-4, the specific embodiment includes a vibration energy collector, a rectifier circuit, a filter circuit, a BQ25504 boost chip, a lithium polymer battery and a RT6150BGQW voltage regulator chip. The vibration energy in the environment is converted into alternating current through the vibration energy collector, and the direct current is transmitted to the BQ25504 boost chip for boosting to 4.2V through the rectifier and filter circuit. The boosted electric energy is sent to the rechargeable lithium polymer battery through the BQ25504 boost chip, and the rechargeable lithium polymer battery reduces the voltage to 3.3V through the RT6150BGQW voltage regulator chip to power the subsequent low-power devices. The output end of the specific vibration energy collector is connected to the CN1 and VAC pins to the rectifier and filter circuit, and is output through VIN to the VIN_DC pin of the BQ25504 chip. The LBST pin of the BQ25504 boost chip is directly connected to the VIN_DC pin of the BQ25504 boost chip through the 22uH inductor L1. The VOC_SAMP pin of the BQ25504 boost chip is directly connected to the VIN_DC pin of the BQ25504 boost chip through the 4M42 resistor R2. The VREF_SAMP pin of the BQ25504 boost chip is directly connected to the OT_PROG pin of the BQ25504 boost chip through the 10nF capacitor C3. The VIN_DC pin of the BQ25504 boost chip is directly connected to the OT_PROG pin of the BQ25504 boost chip through the 4.7uF capacitor C4. The VOC_SAMP pin of the BQ25504 boost chip is connected to the 10M resistor R1, the 5M62 resistor R3, and the OT_PROG pin of the BQ25504 boost chip and connected to the GND ground terminal. The VRDIV pin of the BQ25504 boost chip forms a series circuit through the 5M62 resistor R5 and the 4M42 resistor R4 and is connected to the GND ground terminal. The 5M62 resistor R5 and the 4M42 resistor R4 are connected to the BAT_OV pin of the BQ25504 boost chip. The 6M19 resistor R8 and the 3M83 resistor R7 form a parallel circuit with the 5M62 resistor R5 and the 4M42 resistor R4, and the other end is connected to the GND ground terminal. The 6M19 resistor R8 and the 3M83 resistor R7 are connected to the BAT_UV of the BQ25504 boost chip. The 536k resistor R9, the 6M19 resistor R10, and the 3M32 resistor 11 form a series circuit and are connected to the EP, AVSS, VSS and ground terminal GND of the BQ25504 boost chip respectively. The 536k resistor R9 and the 6M19 resistor R10 are directly connected to the OK_PROG pin of the BQ25504 boost chip. The 6M19 resistor R10 and the 3M32 resistor 11 are directly connected to the OK_HYST pin of the BQ25504 boost chip. The VBAT_OK pin of the BQ25504 boost chip is connected to the GND ground terminal through a light-emitting diode connected to the 20k resistor R6. The VSTOR pin of the BQ25504 boost chip is connected to the 4.7uF capacitor C1 and the 100nF capacitor C2 respectively. The 4.7uF capacitor C1 and the 100nF capacitor C2 form a parallel circuit connected to the ground terminal. The VBAT pin of the BQ25504 boost chip is a power output pin, which is connected to a rechargeable lithium polymer battery.
RT6150BGQW稳压芯片外围电路包括487k电阻R17、86k6电阻R18、22uF电容C8、22uF电容C9、2.2uH电感L2。锂聚合物电池连接RT6150BGQW稳压芯片VIN引脚、VINA、EN、PS,另一端接入GND接地端。RT6150BGQW稳压芯片LX1通过2.2uH电感L2与RT6150BGQW稳压芯片LX2直接连接。RT6150BGQW稳压芯片VOUT引脚通过22uF电容C9与GND接地端相连。RT6150BGQW稳压芯片VOUT引脚再通过487K电阻R17分别连接到FB引脚、86K6电阻R18相连，86K6电阻R18另一端接GND接地端。VDD为输出引脚，连接负载。The peripheral circuit of the RT6150BGQW voltage regulator chip includes 487k resistor R17, 86k6 resistor R18, 22uF capacitor C8, 22uF capacitor C9, and 2.2uH inductor L2. The lithium polymer battery is connected to the RT6150BGQW voltage regulator chip VIN pin, VINA, EN, PS, and the other end is connected to the GND ground terminal. The RT6150BGQW voltage regulator chip LX1 is directly connected to the RT6150BGQW voltage regulator chip LX2 through the 2.2uH inductor L2. The RT6150BGQW voltage regulator chip VOUT pin is connected to the GND ground terminal through the 22uF capacitor C9. The RT6150BGQW voltage regulator chip VOUT pin is then connected to the FB pin and the 86K6 resistor R18 through the 487K resistor R17, and the other end of the 86K6 resistor R18 is connected to the GND ground terminal. VDD is the output pin and is connected to the load.
实施例1、其中，振动能量收集器可以为一种具有雨水收集功能的水循环振动发电装置专利申请号为CN201910504213.0，具体装置包括超磁致伸缩材料薄片、拾取线圈、流水板、固定板、保持架、滤水装置、花洒、漏斗、送水管、上水通道、水箱、定滑轮、钢丝、托水板、滑块、连杆、曲柄、阶梯轴和叶轮。提供了一种以超磁致伸缩材料薄片为核心元件的振动收集装置，通过雨水拍打使超磁致伸缩薄片振动，雨水存储到水箱中，再通过叶轮的回转运动带动滑块作直线往复运动带动托水板上下运动，把雨水传递到漏斗中实现循环供水，缠有拾取线圈的超磁致伸缩材料薄片将振动能量收集起来，并通过拾取线圈将雨滴的振动能量转换为电能输出。雨水收集功能的水循环振动发电装置的拾取线圈的两端，作为振动微能量稳压供电电路的输入端。Embodiment 1, wherein the vibration energy collector can be a water circulation vibration power generation device with rainwater collection function. The patent application number is CN201910504213.0. The specific device includes a giant magnetostrictive material sheet, a pickup coil, a water flow plate, a fixed plate, a retaining frame, a water filter, a shower, a funnel, a water supply pipe, a water supply channel, a water tank, a fixed pulley, a steel wire, a water support plate, a slider, a connecting rod, a crank, a stepped shaft and an impeller. A vibration collection device with a giant magnetostrictive material sheet as a core element is provided. The giant magnetostrictive sheet is vibrated by the beating of rainwater, and the rainwater is stored in the water tank. Then, the rotary motion of the impeller drives the slider to make a linear reciprocating motion to drive the water support plate to move up and down, and the rainwater is transferred to the funnel to realize circulating water supply. The giant magnetostrictive material sheet wrapped with a pickup coil collects the vibration energy, and converts the vibration energy of the raindrops into electrical energy output through the pickup coil. The two ends of the pickup coil of the water circulation vibration power generation device with rainwater collection function serve as the input ends of the vibration micro-energy voltage-stabilizing power supply circuit.
实施例2、连接关系说明及工作原理说明：Example 2, connection relationship description and working principle description:
AC/DC整流模块为整流桥D2由四个二极管所构成的桥式整流电路。滤波模块包括两个电容器C5、C6、电感L3所构成的π型LC滤波电路。升压模块包括BQ25504升压芯片以及外围电路。The AC/DC rectifier module is a bridge rectifier circuit composed of four diodes in the rectifier bridge D2. The filter module includes a π-type LC filter circuit composed of two capacitors C5 and C6 and an inductor L3. The boost module includes a BQ25504 boost chip and peripheral circuits.
BQ25504升压芯片外围的电路包括电感L1、电感L2、电容C1、电容C2、电容C3、电容C4、电容C7、电容C8、电容C9、电阻1、电阻2、电阻3、电阻4、电阻5、电阻6、电阻7、电阻8、电阻9、电阻10、电阻11、电阻12、电阻13、电阻14、电阻15、电阻16、电阻17、电阻18。通过设置对外围电路的电阻电容实现最大功率点跟踪功能。给储能元件供电。The circuits around the BQ25504 boost chip include inductor L1, inductor L2, capacitor C1, capacitor C2, capacitor C3, capacitor C4, capacitor C7, capacitor C8, capacitor C9, resistor 1, resistor 2, resistor 3, resistor 4, resistor 5, resistor 6, resistor 7, resistor 8, resistor 9, resistor 10, resistor 11, resistor 12, resistor 13, resistor 14, resistor 15, resistor 16, resistor 17, resistor 18. The maximum power point tracking function is achieved by setting the resistance and capacitance of the peripheral circuit. Power is supplied to the energy storage element.
电能存储元件包括超级电容器、锂聚合物电池、锂电池等。实现将水收集功能的水循环振动发电装置拾取线圈产生的电能储存起来。The electric energy storage element includes supercapacitors, lithium polymer batteries, lithium batteries, etc. The water circulation vibration power generation device with water collection function can store the electric energy generated by the pickup coil.
稳压芯片模块包括RT6150BGQW稳压芯片及外围电路。RT6150BGQW稳压芯片的外围电路包括电阻R17、R18，电容C8、C9，电感L2。通过VDD输出3.3V稳定电压。The voltage regulator chip module includes the RT6150BGQW voltage regulator chip and peripheral circuits. The peripheral circuits of the RT6150BGQW voltage regulator chip include resistors R17 and R18, capacitors C8 and C9, and inductor L2. A 3.3V stable voltage is output through VDD.
水循环振动发电装置拾取线圈两端接到电路输入引脚CN1和CN2，输入引脚CN1和CN2与整流桥D1两个引脚相连，GND引脚接地。电容C5、电容C6一段接地另一端与电感L3串联形成π型LC滤波电路。The two ends of the pickup coil of the water circulation vibration power generation device are connected to the circuit input pins CN1 and CN2, the input pins CN1 and CN2 are connected to the two pins of the rectifier bridge D1, and the GND pin is grounded. One end of the capacitor C5 and the other end of the capacitor C6 are grounded and the other end is connected in series with the inductor L3 to form a π-type LC filter circuit.
通过滤波电路输出引脚VIN直接与BQ25504升压芯片的VIN_DC引脚直接相连。BQ25504升压芯片的LBST引脚通过电感L1直接与BQ25504升压芯片的VIN_DC引脚直接相连。BQ25504升压芯片的VOC_SAMP引脚通过电阻R2与BQ25504升压芯片的VIN_DC引脚直接相连。BQ25504升压芯片的VREF_SAMP引脚与电容C3与BQ25504升压芯片的OT_PROG引脚直接相连。BQ25504升压芯片的VIN_DC引脚通过C4与BQ25504升压芯片的OT_PROG引脚直接相连。BQ25504升压芯片的VOC_SAMP引脚连接电阻R1、电阻R3与BQ25504升压芯片的OT_PROG引脚直接相连并接入GND接地端。BQ25504升压芯片的VRDIV引脚通过电阻R5、电阻R4形成串联电路并接入GND接地端，电阻R5、电阻R4之间连接到BQ25504升压芯片的BAT_OV引脚。电阻R8、电阻R7与电阻R5、电阻R6形成并联电路，另一端接GND接地端。电阻R8、电阻R7之间连接到BQ25504升压芯片的BAT_UV。电阻R9、电阻R10、电阻11形成串联电路分别与BQ25504升压芯片的EP、AVSS、VSS以及接地端GND连接。电阻R9与电阻R10之间与BQ25504升压芯片的OK_PROG引脚直接相连。电阻R10与电阻11之间与BQ25504升压芯片的OK_HYST引脚直接相连。BQ25504升压芯片的VBAT_OK引脚通过发光二极管连接电阻R6接入GND接地端。BQ25504升压芯片的VSTOR引脚分别连接电容C1、电容C2，电容C1和电容C2形成并联电路接入接地端。BQ25504升压芯片的VBAT引脚是电源输出引脚，连接到可充电锂聚合物电池上。The output pin VIN of the filter circuit is directly connected to the VIN_DC pin of the BQ25504 boost chip. The LBST pin of the BQ25504 boost chip is directly connected to the VIN_DC pin of the BQ25504 boost chip through the inductor L1. The VOC_SAMP pin of the BQ25504 boost chip is directly connected to the VIN_DC pin of the BQ25504 boost chip through the resistor R2. The VREF_SAMP pin of the BQ25504 boost chip and the capacitor C3 are directly connected to the OT_PROG pin of the BQ25504 boost chip. The VIN_DC pin of the BQ25504 boost chip is directly connected to the OT_PROG pin of the BQ25504 boost chip through C4. The VOC_SAMP pin of the BQ25504 boost chip is connected to the resistor R1, the resistor R3 is directly connected to the OT_PROG pin of the BQ25504 boost chip and connected to the GND ground terminal. The VRDIV pin of the BQ25504 boost chip forms a series circuit through resistors R5 and R4 and is connected to the GND ground terminal. The resistors R5 and R4 are connected to the BAT_OV pin of the BQ25504 boost chip. Resistors R8 and R7 form a parallel circuit with resistors R5 and R6, and the other end is connected to the GND ground terminal. Resistors R8 and R7 are connected to the BAT_UV of the BQ25504 boost chip. Resistors R9, R10, and 11 form a series circuit and are respectively connected to the EP, AVSS, VSS, and ground terminal GND of the BQ25504 boost chip. Resistors R9 and R10 are directly connected to the OK_PROG pin of the BQ25504 boost chip. Resistors R10 and 11 are directly connected to the OK_HYST pin of the BQ25504 boost chip. The VBAT_OK pin of the BQ25504 boost chip is connected to the GND ground terminal through a light-emitting diode connected to the resistor R6. The VSTOR pin of the BQ25504 boost chip is connected to capacitors C1 and C2 respectively, and capacitors C1 and C2 form a parallel circuit connected to the ground terminal. The VBAT pin of the BQ25504 boost chip is a power output pin, which is connected to a rechargeable lithium polymer battery.
RT6150BGQW稳压芯片外围电路包括电阻R17、电阻R18、电容C8、电容C9、电感L2。锂聚合物电池连接RT6150BGQW稳压芯片VIN引脚、VINA、EN、PS,另一端接入GND接地端。RT6150BGQW稳压芯片LX1通过电感L2与RT6150BGQW稳压芯片LX2直接连接。RT6150BGQW稳压芯片VOUT引脚通过电容C9与GND接地端相连。RT6150BGQW稳压芯片VOUT引脚再通过电阻R17分别连接到FB引脚、电阻R18相连，电阻R18另一端接GND接地端。The peripheral circuit of the RT6150BGQW voltage regulator chip includes resistor R17, resistor R18, capacitor C8, capacitor C9, and inductor L2. The lithium polymer battery is connected to the VIN pin, VINA, EN, and PS of the RT6150BGQW voltage regulator chip, and the other end is connected to the GND ground terminal. The RT6150BGQW voltage regulator chip LX1 is directly connected to the RT6150BGQW voltage regulator chip LX2 through the inductor L2. The VOUT pin of the RT6150BGQW voltage regulator chip is connected to the GND ground terminal through the capacitor C9. The VOUT pin of the RT6150BGQW voltage regulator chip is then connected to the FB pin and the resistor R18 through the resistor R17, and the other end of the resistor R18 is connected to the GND ground terminal.
以上实施例仅用以说明本实用新型的技术方案，而非对其限制；尽管参照前述实施例对本实用新型进行了详细的说明，本领域的普通技术人员应当理解；其依然可以对前述实施例所记载的技术方案进行修改，或者对其中部分或者全部技术特征进行等同替换；因而这些修改或者替换，并不使相应技术方案的本质脱离本实用新型权利要求所限定的范围。The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some or all of the technical features thereof may be replaced by equivalents. Therefore, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope defined by the claims of the present invention.
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