CN216720897U

CN216720897U - Solar power supply energy-saving protection circuit for ship

Info

Publication number: CN216720897U
Application number: CN202220006118.5U
Authority: CN
Inventors: 吴荣进; 郭国军; 吴前鹏
Original assignee: Guangdong Ronghang Marine Equipment Co ltd
Current assignee: Guangdong Ronghang Marine Equipment Co ltd
Priority date: 2022-01-04
Filing date: 2022-01-04
Publication date: 2022-06-10
Anticipated expiration: 2032-01-04

Abstract

The utility model relates to the technical field of ship power supply, and particularly discloses a solar power supply energy-saving protection circuit for a ship. According to the solar energy power supply management system, the power supply is effectively distributed by arranging the PLC control circuit and the current relay circuit, the overload of the inverter is protected by arranging the overload protection circuit, the safe and effective power supply management of solar energy power supply is realized, the safety performance is good, the energy is saved, the environment is protected, the whole circuit structure is simple, and the cost is low.

Description

Solar power supply energy-saving protection circuit for ship

Technical Field

The utility model relates to the technical field of ship power supply, in particular to a solar power supply energy-saving protection circuit for a ship.

Background

With the rapid development of foreign economic trade and the continuous expansion of ocean resource development and space utilization scale in China, the demand on marine equipment is continuously improved. Modern ships, especially large ships, usually use solar panels to generate electricity, and provide auxiliary energy for ships through solar energy to ensure that the ships have enough power for navigation. However, the existing ship power supply circuit does not perform safe and effective power supply management on solar power supply, has great potential safety hazard, is complex in circuit structure and high in energy consumption, and does not meet the environmental protection requirement.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a solar power supply energy-saving protection circuit for a ship, aiming at the defects of the prior art, the power supply is effectively distributed by arranging a PLC control circuit and a current relay circuit, and the overload of an inverter is protected by arranging an overload protection circuit, so that the safe and effective power supply management of solar power supply is realized, the safety performance is good, the energy is saved more, the environment is protected, the whole circuit structure is simpler, and the cost is lower.

In order to solve the technical problems, the technical scheme of the utility model is as follows:

the utility model provides a solar energy power supply energy-saving protection circuit for boats and ships, includes power input circuit, clock control circuit, PLC control circuit, current relay circuit and overload protection circuit, power input circuit respectively with clock control circuit, PLC control circuit, current relay circuit and overload protection circuit electric connection, PLC control circuit respectively with clock control circuit and current relay circuit electric connection.

Preferably, the power input circuit comprises a fuse F1, a fuse F2, a switching power supply U3 and a power indicator LED1, and the switching power supply U3 is connected to the fuse F1, the fuse F2 and the power indicator LED1 respectively.

Preferably, the PLC control circuit includes a PLC controller U1, the clock control circuit includes a clock PR10, the positive electrode of the switching power supply U3 and one end of the power indicator LED1 are respectively connected to the input terminals of the PLC controller U1 and the clock PR10, and the negative electrode of the switching power supply U3 and the other end of the power indicator LED1 are respectively connected to the output terminals of the PLC controller U1 and the clock PR 10.

Preferably, the current relay circuit comprises a current relay a, a current relay B and a current relay C, one end of the current relay a, one end of the current relay B and one end of the current relay C are all connected with the fuse F1, and the other end of the current relay a, the other end of the current relay B and the other end of the current relay C are all connected with the fuse F2.

Preferably, the overload protection circuit comprises a relay U2, a contactor KM1, a contactor KM2, a contactor KM3, a contactor KM4, a contactor KM5, a contactor KM6 and a contactor KM7, wherein the relay U2 is respectively connected with the PLC controller U1, a clock PR10, a contactor KM1, a contactor KM2, a contactor KM3, a contactor KM4, a contactor KM5, a contactor KM6 and a contactor KM7, and the contactors KM1, KM2, a contactor KM3, a contactor KM4, a contactor KM5, a contactor KM6 and a contactor KM7 are all connected with the switching power supply U3.

Preferably, the overload protection circuit further comprises a fault indicator light LED2, and the fault indicator light LED2 is connected with the relay U2.

By adopting the technical scheme, the solar power supply energy-saving protection circuit for the ship provided by the utility model has the following beneficial effects: this power input circuit among solar energy power supply energy-saving protection circuit for boats and ships respectively with clock control circuit, PLC control circuit, current relay circuit and overload protection circuit electric connection, PLC control circuit respectively with clock control circuit and current relay circuit electric connection, come to effectively distribute power supply through setting up PLC control circuit and current relay circuit, it transships to protect the dc-to-ac converter through setting up overload protection circuit, the realization carries out safe effectual power management to the solar energy power supply, the security performance is good, reduce the energy consumption, it is more energy-concerving and environment-protective, overall circuit structure is comparatively simple, reduce manufacturing cost, the cost is lower.

Drawings

Fig. 1 is a schematic circuit diagram of the present invention.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

As shown in fig. 1, in the circuit schematic diagram of the present invention, the solar power supply energy-saving protection circuit for a ship includes a power input circuit, a clock control circuit, a PLC control circuit, a current relay circuit and an overload protection circuit, the power input circuit is electrically connected to the clock control circuit, the PLC control circuit, the current relay circuit and the overload protection circuit, respectively, and the PLC control circuit is electrically connected to the clock control circuit and the current relay circuit, respectively. It can be understood that the solar power supply energy-saving protection circuit for the ship can be applied to the ship for managing the power supply, the power supply input circuit is used for accessing the input power supply, which can be 220V or the like, and the overload protection circuit can be connected with an inverter or other loads or the like.

Specifically, the power input circuit includes a fuse F1, a fuse F2, a switching power supply U3 and a power indicator LED1, and the switching power supply U3 is connected to the fuse F1, the fuse F2 and the power indicator LED1 respectively; the PLC control circuit comprises a PLC controller U1, the clock control circuit comprises a clock PR10, the anode of the switch power supply U3 and one end of the power indicator LED1 are respectively connected with the input ends of the PLC controller U1 and the clock PR10, and the cathode of the switch power supply U3 and the other end of the power indicator LED1 are respectively connected with the output ends of the PLC controller U1 and the clock PR 10; the current relay circuit comprises a current relay A, a current relay B and a current relay C, wherein one end of the current relay A, one end of the current relay B and one end of the current relay C are connected with the fuse F1, and the other end of the current relay A, the other end of the current relay B and the other end of the current relay C are connected with the fuse F2; the overload protection circuit comprises a relay U2, a contactor KM1, a contactor KM2, a contactor KM3, a contactor KM4, a contactor KM5, a contactor KM6 and a contactor KM7, wherein the relay U2 is respectively connected with a PLC U1, a clock PR10, a contactor KM1, a contactor KM2, a contactor KM3, a contactor KM4, a contactor KM5, a contactor KM6 and a contactor KM7, and the contactor KM1, the contactor KM2, the contactor KM3, the contactor KM4, the contactor KM5, the contactor KM6 and the contactor KM7 are connected with a switch power supply U3; the overload protection circuit also includes a fault indicator LED2, the fault indicator LED2 being connected to the relay U2. It is understood that the current relay a, the current relay B and the current relay may be GR1801 current relay, etc., the clock PR10 may be PCF8563 clock chip, etc., and the PLC controller U1 may be a general PLC programmable controller, etc.

The solar energy power supply management system is reasonable in design and unique in structure, the power supply is effectively distributed by arranging the PLC control circuit and the current relay circuit, the overload of the inverter is protected by arranging the overload protection circuit, the solar energy power supply is safely and effectively managed, the safety performance is good, the energy consumption is reduced, the energy is saved, the environment is protected, the whole circuit structure is simple, the manufacturing cost is reduced, and the cost is lower.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, and the scope of protection is still within the scope of the utility model.

Claims

1. The utility model provides a solar energy power supply energy-saving protection circuit for boats and ships which characterized in that: the power input circuit is electrically connected with the clock control circuit, the PLC control circuit, the current relay circuit and the overload protection circuit respectively, and the PLC control circuit is electrically connected with the clock control circuit and the current relay circuit respectively.

2. The solar power supply energy-saving protection circuit for the ship according to claim 1, characterized in that: the power supply input circuit comprises a fuse F1, a fuse F2, a switching power supply U3 and a power indicator LED1, wherein the switching power supply U3 is connected with the fuse F1, the fuse F2 and the power indicator LED1 respectively.

3. The solar power supply energy-saving protection circuit for the ship according to claim 2, characterized in that: the PLC control circuit comprises a PLC controller U1, the clock control circuit comprises a clock PR10, the anode of the switch power supply U3 and one end of the power indicator LED1 are respectively connected with the input ends of the PLC controller U1 and the clock PR10, and the cathode of the switch power supply U3 and the other end of the power indicator LED1 are respectively connected with the output ends of the PLC controller U1 and the clock PR 10.

4. The solar power supply energy-saving protection circuit for the ship according to claim 2, characterized in that: the current relay circuit comprises a current relay A, a current relay B and a current relay C, one end of the current relay A, one end of the current relay B and one end of the current relay C are connected with the fuse F1, and the other end of the current relay A, the other end of the current relay B and the other end of the current relay C are connected with the fuse F2.

5. The solar power supply energy-saving protection circuit for the ship according to claim 3, wherein: the overload protection circuit comprises a relay U2, a contactor KM1, a contactor KM2, a contactor KM3, a contactor KM4, a contactor KM5, a contactor KM6 and a contactor KM7, wherein the relay U2 is respectively connected with a PLC controller U1, a clock PR10, a contactor KM1, a contactor KM2, a contactor KM3, a contactor KM4, a contactor KM5, a contactor KM6 and a contactor KM7, and the contactor KM1, the contactor KM2, the contactor KM3, the contactor KM4, the contactor KM5, the contactor KM6 and the contactor KM7 are connected and connected with the switching power supply U3.

6. The solar power supply energy-saving protection circuit for the ship according to claim 5, characterized in that: the overload protection circuit also includes a fault indicator LED2, the fault indicator LED2 being connected to the relay U2.