基于太阳能源自给的自供电润滑站控制电路
By using a solar-powered self-powered lubrication station control circuit, the problem of inconvenient power supply for lubrication cabinets in open-air operation areas has been solved, realizing self-powered and safe and reliable operation of the lubrication station, reducing line loss and power distribution costs, and improving the convenience of lubrication operations and equipment safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- YICHANG HONGJIN TECH CO LTD
- Filing Date
- 2025-07-31
- Publication Date
- 2026-07-17
AI Technical Summary
When a separate power supply is provided for the lubrication cabinet in an open-air work area, there are problems such as large line loss, high power distribution cost and inconvenient power supply. In addition, when the traditional lubrication pipeline is blocked, it is easy to damage other electrical components of the line.
The control circuit of the lubrication station adopts a self-powered control circuit based on solar energy. The solar energy is converted into electrical energy through solar panels and stored in batteries. The status of the lubrication station is monitored by photovoltaic controllers, timer controllers and various sensors. Intermediate relays and solid-state relays are used to control the lubrication pressure, liquid level and valve body. The main power circuit breaker and fuse are provided for protection.
It enables the lubrication station to be self-powered, improves the convenience and safety of lubrication operations, reduces line loss and power distribution costs, ensures the reliability of the lubrication system and equipment safety, and extends the service life of the equipment.
Smart Images

Figure CN224516472U_ABST
Abstract
Claims
1. A self-powered lubrication station control circuit based on solar energy self-supply, characterized in that: It includes a solar panel PV, which is electrically connected to the power input terminal of the photovoltaic controller SCC, the battery connection terminal of the photovoltaic controller SCC is electrically connected to the storage battery BAT, the load terminal of the photovoltaic controller SCC is electrically connected to the timer controller MCU, and the output terminal of the timer controller MCU is electrically connected to the lubrication pump M1.
2. The solar energy based self-sufficient self-powered lubrication station control circuit according to claim 1, characterized in that, The load terminal of the photovoltaic controller SCC supplies power to the sensor, which is used to detect the working status of the lubrication station.
3. The solar energy self-sufficient, self-powered lubrication station control circuit of claim 2, wherein, The sensors include a first pressure sensor SP1, a second pressure sensor SP2, and a liquid level sensor SL. The first pressure sensor SP1, the second pressure sensor SP2, and the liquid level sensor SL are respectively connected to the coils of the first pressure detection intermediate relay KA1, the second pressure detection intermediate relay KA2, and the liquid level detection intermediate relay KA3, and control the energization and de-energization of the coils. The auxiliary switches of the first pressure detection intermediate relay KA1, the second pressure detection intermediate relay KA2, and the liquid level detection intermediate relay KA3 are electrically connected to the input terminal of the timing controller MCU. The first pressure sensor SP1 and the second pressure sensor SP2 are used to detect the lubrication pressure of the first lubrication oil circuit and the second lubrication oil circuit in the lubrication station, respectively. The level sensor SL is used to detect the level of grease in the lubrication tank in the lubrication station.
4. The solar energy source based self-sufficient self-powered lubrication station control circuit of claim 3, wherein, The photovoltaic controller SCC is equipped with a main power circuit breaker QK at its load end. The main power circuit breaker QK is used to protect the electrical equipment in the lubrication station.
5. The solar energy self-sufficient, self-powered lubrication station control circuit of claim 4, wherein, The photovoltaic controller SCC is equipped with a DC boost converter CONV at its load end, which is used to supply power to the valve body of the lubrication station distributor.
6. The self-powered lubrication station control circuit based on solar energy as described in claim 5, characterized in that, The first lubrication oil circuit and the second lubrication oil circuit are respectively equipped with a first lubrication valve YV1 and a second lubrication valve YV2.
7. The solar energy source based self-sufficient self-powered lubrication station control circuit of claim 6, wherein, The first lubrication valve YV1 and the second lubrication valve YV2 are respectively controlled by the first solid-state relay KA4 and the second solid-state relay KA5 to provide power.
8. The solar energy source based self-sufficient self-powered lubrication station control circuit of claim 7, wherein, The input terminal of the first solid-state relay KA4 is electrically connected to the output terminal of the timing controller MCU. The positive terminal of the output terminal of the first solid-state relay KA4 is electrically connected to the first lubrication valve YV1. The other end of the first lubrication valve YV1 is connected to the positive DC power supplied by the DC boost converter CONV. The negative terminal of the output terminal of the first solid-state relay KA4 is connected to the negative power supply. The input terminal of the second solid-state relay KA5 is electrically connected to the output terminal of the timing controller MCU. The positive terminal of the output terminal of the second solid-state relay KA5 is electrically connected to the second lubrication valve YV2. The other end of the second lubrication valve YV2 is connected to the positive DC power supplied by the DC boost converter CONV. The negative terminal of the output terminal of the second solid-state relay KA5 is connected to the negative power supply.
9. The solar energy source based self-sufficient self-powered lubrication station control circuit of claim 8, wherein, The first solid-state relay KA4 output terminal positive terminal is provided with sampling resistors R1 and R2 and grounded between the first lubrication valve YV1, and the sampling resistors R1 and R2 are connected to the input terminal of the timing controller MCU. A sampling resistor R3 and R4 are provided between the positive terminal of the output of the second solid-state relay KA5 and the second lubrication valve YV2 and grounded. The sampling resistor R3 and R4 are connected to the input terminal of the timing controller MCU.
10. The solar energy source based self-sufficient self-powered lubrication station control circuit of claim 9, wherein, The negative terminal of the output of the first solid-state relay KA4 is equipped with a first fuse F1. The second solid state relay KA5 output end negative pole is provided with a second fuse F2.