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Jingmin digital releases small solar charging and discharging controller editor's note: Jingmin digital releases small solar charging and discharging controller. The energy-saving and environmental friendly solar energy is charged and discharged by the solar controller through the solar photovoltaic panel and battery

professional research and development of intelligent motion control and data acquisition products manufacturers - precision digital machine launched a new product controller: jmdm-sc160

with the global energy crisis and environmental deterioration, solar energy will replace the traditional non renewable energy and become an inexhaustible low-cost environmental protection clean energy for human society with its unique advantages of no pollution, no noise, easy disassembly and movement, no damage to the city appearance and environment, and no geographical restrictions. Solar power generation will enter the daily lives of ordinary people, save electricity and energy, and protect the environment, Benefit mankind

solar power generation mainly has the following advantages:

1. Independent power supply, no geographical restrictions, no fuel consumption, no mechanical rotating parts, short construction cycle, arbitrary scale

2. Safe and reliable, no pollution, no noise, environmental protection and beauty, low failure rate and long service life

3. It is easy to disassemble and assemble, easy to move, and low in engineering installation cost. It can be easily combined with buildings, and there is no need to embed high transmission lines, which can avoid the damage to vegetation and environment and engineering costs when laying cables from a long distance

4. It is widely used in all kinds of lighting appliances, and is very suitable for electronic electricity in remote places such as villages, mountains, islands, highways, etc. to implement preferential tariff and lighting through the negotiated tax rate and preferential tax situation

brief introduction of jmdm small-scale solar control power generation system

Shenzhen Jingmin digital machine Co., Ltd. specializes in independently developing and producing a variety of industrial control products such as jmdm brand solar controllers, single-chip controllers, PLC controllers, and developing various single-chip based solar control power generation systems

a set of jmdm small solar power generation system is composed of four parts: jmdm-sc160 solar controller, solar silicon photovoltaic panel, maintenance free battery and LED lamp. If you need to use AC 220V or 110V voltage, just connect an inverter outside the jmdm-sc160 solar controller. All components have the best performance in the industry, are stable and reliable, and the power generation varies from 5W to 160W. They can be used for learning, testing, civil and industrial purposes of solar power generation

jmdm small power generation system components introduction:

1) solar silicon photovoltaic panel: Kyocera solar panel is adopted. This solar panel is the solar wafer with the best weak light in the world, and the outer layer is sealed with glass, which can work stably for 20 years. Solar silicon photovoltaic panel is the core part of the solar power generation system, and it is also the most expensive part of the solar power generation system. Its function is to convert the light energy of the sun into electric energy, send it to the battery for storage, or promote the load to work

2) battery: maintenance free battery, which can be used directly without adding electrolyte, etc. Its function is to store the electric energy emitted by the solar panel when there is light, and release it when necessary

3) give a 12v/1w LED lamp as a gift

4) solar controller:

the jmdm-sc160 intelligent solar controller, which is independently developed and produced by Shenzhen Jingmin digital machine Co., Ltd. and has relatively strong functions, is the most important command and control center of the solar power generation system. Its role is to control the working state of the entire solar power generation system, and to protect the battery from overcharge and over discharge, as well as the optical switch Time control switch and other unique special functions; It controls the charge and discharge of solar photovoltaic panels and batteries according to their characteristics, and is suitable for solar automatic control in power generation occasions with power below 160W

5) inverter: the direct output of solar energy is generally 12VDC, 24VDC, 48VDC. In order to provide power to 220VAC electrical appliances, it is necessary to convert the DC power generated by the solar power generation system into AC power, so DC-AC inverter is required

III. product quality improvement technology and performance parameters:

1. Functional characteristics of jmdm solar controller:

1) multifunctional, low-power 8-bit single chip microcomputer intelligent control

2) 12v/24v automatic identification

3) the voltage of solar cells and batteries shall be controlled in sections to improve the conversion efficiency of solar cells and the service life of batteries

4) after the battery is connected, the PWM pulse charging method can improve the conversion efficiency of solar energy and ensure the charging effect of the battery

5) automatically detect the capacity of the battery, and automatically stop charging when it is full, so as to prevent the battery from overcharging, overheating and accelerating aging

6) adopt contactless switch technology

7) single and multiple output control options

8) score is still a time output control option that is widely used at present and can not be replaced by other materials

9) there is only light control function during the non discussion period, and it also has the function of forced opening and closing load output

10) internal watchdog protection and software reset function

11) intelligent real-time battery capacity display to accurately control power generation

12) lightning protection, overcharge, overcurrent, load short circuit protection

13) aluminum shell is adopted, which can dissipate heat quickly and resist strong electromagnetic interference

14) fully sealed design, good moisture resistance

2. Technical parameters (Note: technical parameters of 24V battery and photoelectric board in brackets):

1) rated working voltage: 12V (24V)

2) static working current: 6mA

3) rated charging current: 8A

4) rated load current: 8a

5) working temperature: -20~65 ℃

6) environmental humidity: 90%

7) pulse charging voltage: 14V (28V)

8) recovery charging voltage: 13.4v (26.8v)

9) battery off charge voltage: 14.8V (29.6v)

10) over discharge voltage: 10.8V (21.6v)

11) recovery discharge voltage: 12.4V (24.8v)

12) lighting voltage: 2.5V (5V)

13) off voltage: 3.5V (7V)

14) self power consumption: 0.2~0.3w

15) overall dimension: 71mm*105mm*46mm

16) installation size: 118mm*16mm

about Jingmin digital

Shenzhen Jingmin digital machine Co., Ltd. is located on the 5th floor of huameiju District B, Bao'an 82 District, Shenzhen, Guangdong Province. It has always adhered to the purpose of "customer-oriented, independent innovation and sustainable development", always paid attention to the most practical needs of customers, focused on the field of automatic control and digital control, and developed a variety of products that meet customer needs, are cost-effective Industrial controllers and control systems with excellent performance have greatly improved the economic benefits of customers, and are widely used in mainland provinces, Hong Kong, Macao and Taiwan, and are exported to many countries at home and abroad. Our products have won the trust and praise of many companies, universities and scientific research institutes at home and abroad with their excellent performance of stable, reliable, anti-interference and high cost performance, and have established a long-term and friendly win-win cooperative relationship

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