Direct-current charging pile control guide circuit based on linear optocoupler
Direct-current charging pile control guide circuit based on linear optocoupler
- Neue Suche nach: ZHANG HONGKUN
- Neue Suche nach: HUANG TINGSHAN
- Neue Suche nach: ZHANG HONGKUN
- Neue Suche nach: HUANG TINGSHAN
The invention discloses a direct-current charging pile control guide circuit based on a linear optocoupler, wherein the circuit comprises a control guide voltage dividing module, an operational amplifier voltage-to-current module, a linear optocoupler isolation module, an operational amplifier current-to-voltage module, and an MCUADC detection module; the control guide voltage dividing module is connected with the operational amplifier voltage-to-current module, the operational amplifier voltage-to-current module is connected with the linear optocoupler isolation module, the linear optocoupler isolation module is connected with the operational amplifier current-to-voltage module, and the operational amplifier current-to-voltage module is connected with the MCU ADC detection module. Compared to prior art, the circuit has the beneficial effects that linearization is controlled and guided, and sampling and control are isolated; dependability is high, the MCU is isolated from the ground, and the anti-interference capability is improved; and the linearization is realized, the voltage jump of the guide loop can be measured in real time, and the product stability is improved.
本发明公开了一种基于线性光耦的直流充电桩控制导引电路，包括控制导引电压分压模块、运算放大器电压转电流模块、线性光耦隔离模块、运算放大器电流转电压模块、MCUADC检测模块，所述控制导引电压分压模块连接运算放大器电压转电流模块，运算放大器电压转电流模块连接线性光耦隔离模块，线性光耦隔离模块连接运算放大器电流转电压模块，运算放大器电流转电压模块连接MCU ADC检测模块，与现有技术相比，本发明的有益效果是：本发明控制引导线性化，且实现采样与控制实现隔离；可靠性强，MCU实现与大地隔离，抗干扰能力提高；实现线性化，引导回路的电压跳动都能实时测量出来，提高了产品稳定性。
Dokumentinformationen
Direct-current charging pile control guide circuit based on linear optocoupler
一种基于线性光耦的直流充电桩控制导引电路
2021-06-08
Patent
Elektronische Ressource
Chinesisch
| IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / H03K PULSE TECHNIQUE , Impulstechnik |
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