Solar refrigerator control device directly driven by solar panel

Abstract

The utility model belongs to the technical field of solar panel driving, and particularly relates to a solar panel direct-driven solar refrigerator control device which comprises a control box and further comprises a control main board fixedly installed in the control box, an inverter is electrically installed on the top of the control main board, and the inverter is electrically connected with the control main board. A current signal isolation transmitter is electrically installed on one side of the inverter, a current sensor is electrically installed on one side of the current signal isolation transmitter, electric energy is converted into alternating-current electric energy through the inverter, and then alternating-current and direct-current voltage is converted into alternating-current and direct-current electric energy through the current signal isolation transmitter. The current is converted into voltage which is electrically isolated from each other according to a linear proportion to be converted and transmitted, then the current is transmitted through the current sensor, and then the refrigerator motor is driven through the motor driving module, so that the solar panel can drive the solar refrigerator in a stable voltage and current mode, and the current cutoff condition cannot occur in the driving process; therefore, the driving stability is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of solar panel driving, and in particular relates to a solar panel directly driven solar refrigerator control device. Background Art

[0002] Solar photovoltaic refrigeration refrigerators mainly include solar photovoltaic refrigerators and solar semiconductor refrigerators. Solar photovoltaic refrigerators are developed based on ordinary traditional compression refrigerators and are composed of solar cells, controllers, batteries and refrigerator components. Solar semiconductor refrigerators mainly include solar cell arrays, controllers, batteries and semiconductor refrigeration devices. The solar cell array is located on the sun-irradiated side or the top surface of the refrigerator. Through a connecting line, one end is connected to the controller set on the front side of the refrigerator, and is connected to the hot end of the semiconductor refrigeration device set on the other side of the refrigerator through the controller. The other end is directly connected to the cold end of the semiconductor refrigeration device. One end of the battery set in the refrigerator is connected to the controller, and the other end is connected between the solar cell array and the controller.

[0003] For example, the Chinese patent with authorization announcement number CN204425029U discloses a solar refrigerator power supply control device, including a first input end of a mains power supply, a second input end of a battery energy storage inverter, and an output end, the output end is connected to the output end motor, and the first input end is connected to a power switching unit, the second input end is connected to a battery energy storage inverter unit, the power switching unit is connected to the battery energy storage inverter unit and the output end, a DC / AC inverter unit is provided between the battery energy storage unit and the power switching unit, and a control unit is also provided, an energy storage control unit is provided between the control unit and the battery energy storage unit, an inverter drive unit is provided between the control unit and the DC / AC inverter unit, an output control unit is provided between the power switching unit and the control unit, and a voltage / current sampling unit is provided between the power switching unit and the output end.

[0004] This patent has the following problems:

[0005] The prior art documents do not allow for stable voltage driving of solar refrigerators via solar panels, resulting in current interruptions during operation, which reduces the stability of the drive. Furthermore, the prior art documents do not allow for remote control of the drive, which reduces the intelligent operation of the drive. In view of this, we propose a control device for a solar refrigerator directly driven by solar panels. Utility Model Content

[0006] The purpose of this utility model is to address the above-mentioned technical problems and provide a solar panel direct-driven solar refrigerator control device to improve the driving stability and achieve the intelligent operation of the driving device.

[0007] In view of this, the utility model provides a solar panel direct-driven solar refrigerator control device, comprising a control box, and also comprising: a control mainboard fixedly installed inside the control box, an inverter electrically installed on the top of the control mainboard, a current signal isolation transmitter electrically installed on one side of the inverter, a current sensor electrically installed on one side of the current signal isolation transmitter, a motor drive module electrically installed on one side of the current sensor, an intelligent mainboard fixedly installed on the bottom of the control mainboard, an intelligent control module electrically installed on the top of the intelligent mainboard, a networking module electrically installed on one side of the intelligent control module, and a detection module electrically installed on one side of the networking module.

[0008] Based on the above structure, the electric energy is converted into AC electric energy through the inverter, and then the AC and DC voltages and currents are converted into electrically isolated voltages in linear proportion by the current signal isolation transmitter for current conversion and transmission. Then the current is transmitted by the current sensor, and then the refrigerator motor is driven by the motor drive module. The solar panel can drive the solar refrigerator with stable voltage and current, thereby improving the stability of the drive. Then the intelligent control module is used to automate the operation of the module, and then the networking module is used for networking. Then the detection module is used to detect the operating status of the module, and the drive device can be remotely controlled and operated, thereby improving the intelligence of the drive device operation.

[0009] Preferably, heat dissipation grooves are provided on both sides of the control box, and heat dissipation mesh plates are fixedly installed inside the heat dissipation grooves. A control door is installed on the surface of the control box through a hinge, and a control handle is fixedly installed on the surface of the control door. A wiring pipe is installed on the top of the control box, a battery box is fixedly installed on the bottom of the control box, and a storage frame is fixedly installed on one side of the control box.

[0010] Preferably, the wire threading pipes are all made of metal material, and a protective rubber sleeve is fixedly installed inside the wire threading pipes.

[0011] Preferably, a storage door is movably installed on the surface of the storage box through a hinge, and a storage handle is fixedly installed on the surface of the storage door. A connecting plate is fixedly installed on one side of the storage box, and a buffer plate is fixedly installed on one side of the connecting plate. A push-pull plate is fixedly installed on the other side of the storage box, and a movable frame is fixedly installed on the other side of the push-pull plate. A placement frame is fixedly installed inside the storage box, and a base plate is fixedly installed on the bottom of the storage box.

[0012] Preferably, a storage pad is fixedly installed inside the storage frame, and the storage pad is made of rubber material.

[0013] Preferably, a buffer frame is fixedly installed inside the placement frame, and a battery is movably installed inside the buffer frame.

[0014] Preferably, the base plate is made of metal, and universal wheels are fixedly installed on the bottom of the base plate.

[0015] The beneficial effects of the utility model are:

[0016] 1. The solar panel directly drives the solar refrigerator control device, which converts electrical energy into AC power through an inverter, and then uses a current signal isolation transmitter to convert AC and DC voltages and currents into mutually electrically isolated voltages in linear proportion for current conversion and transmission. Then, a current sensor is used to transmit the current, and the motor drive module is used to drive the refrigerator motor. This enables the solar panel to drive the solar refrigerator with stable voltage and current, and there will be no current interruption during the drive, thereby improving the stability of the drive.

[0017] 2. The solar panel directly drives the solar refrigerator control device, which operates the module automatically through the intelligent control module, and then uses the networking module to connect to the network. Then, the detection module is used to detect the operating status of the module. It can remotely control the operation of the drive device, which is convenient for the operator to remotely control, thereby improving the intelligence of the drive device operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is an overall three-dimensional diagram of the utility model;

[0019] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the partial structure of the control mainboard in the present utility model;

[0021] Figure 4 It is a partial three-dimensional diagram of the control box in the utility model;

[0022] Figure 5 It is a partial three-dimensional diagram of the power storage box in the present utility model.

[0023] The marks in the figure are:

[0024] 1. Control box; 101. Control door; 102. Control handle; 103. Heat sink; 104. Heat dissipation mesh; 2. Wiring pipe; 201. Protective rubber tube; 3. Storage frame; 301. Storage mat; 4. Battery box; 401. Battery door; 402. Battery handle; 5. Connecting plate; 501. Buffer plate; 6. Bottom plate; 601. Universal wheel; 7. Push-pull plate; 701. Mobile rack; 8. Control mainboard; 801. Inverter; 802. Current signal isolation transmitter; 803. Current sensor; 804. Motor drive module; 9. Intelligent mainboard; 901. Intelligent control module; 902. Networking module; 903. Detection module; 10. Placement frame; 1001. Buffer frame; 1002. Battery. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] The present application discloses a solar panel direct drive solar refrigerator control device. Figure 1-Figure 5 , including a control box 1, and also including: a control mainboard 8 is fixedly installed inside the control box 1, an inverter 801 is electrically installed on the top of the control mainboard 8, a current signal isolation transmitter 802 is electrically installed on one side of the inverter 801, a current sensor 803 is electrically installed on one side of the current signal isolation transmitter 802, a motor drive module 804 is electrically installed on one side of the current sensor 803, an intelligent mainboard 9 is fixedly installed on the bottom of the control mainboard 8, an intelligent control module 901 is electrically installed on the top of the intelligent mainboard 9, a networking module 902 is electrically installed on one side of the intelligent control module 901, and a detection module 903 is electrically installed on one side of the networking module 902.

[0027] Based on the above structure, the electric energy is converted into AC electric energy through the inverter 801, and then the AC and DC voltages and currents are converted into electrically isolated voltages in a linear proportion by the current signal isolation transmitter 802 for current conversion and transmission. Then the current is transmitted by the current sensor 803, and then the refrigerator motor is driven by the motor drive module 804. The solar panel can drive the solar refrigerator with stable voltage and current, and there will be no current interruption during the drive, thereby improving the stability of the drive. Then the intelligent control module 901 is used to automatically operate the module, and then the networking module 902 is used for networking. Then the detection module 903 is used to detect the operating status of the module, and the drive device can be remotely controlled and operated, which is convenient for the operator to remotely control. This improves the intelligence of the drive device's operation. The working principle of the inverter 801 mainly relies on the switching characteristics of semiconductor devices. The current signal isolation transmitter 802 is a measuring device that converts various signals into electrically isolated voltage, current signals or digitally encoded signals in a linear proportion. The current sensor 803 is a device that senses the measured current information. The motor drive module 804 converts it into a drive signal suitable for the power amplifier circuit through the control circuit, and then drives the motor to run. The intelligent control module 901 can continuously adjust the output signal to achieve closed-loop control, so that the system can automatically adjust and correct. The principle of the networking module 902 is to transmit data through radio waves to achieve wireless network connection. The detection module 903 is a device that can sense light intensity and convert it into a measurable electrical signal.

[0028] In one embodiment, heat dissipation grooves 103 are provided on both sides of the control box 1, and heat dissipation mesh plates 104 are fixedly installed inside the heat dissipation grooves 103. A control door 101 is movably installed on the surface of the control box 1 through a hinge, and a control handle 102 is fixedly installed on the surface of the control door 101. A wiring pipe 2 is installed on the top of the control box 1, a battery box 4 is fixedly installed on the bottom of the control box 1, and a storage frame 3 is fixedly installed on one side of the control box 1.

[0029] Specifically, heat dissipation slots 103 are provided on both sides of the control box 1 , and heat dissipation mesh panels 104 are fixedly installed inside the heat dissipation slots 103 .

[0030] In this embodiment, the control handle 102 can be used to pull the control door 101 to open and close, and then the heat dissipation slots 103 can be used to dissipate heat inside, thereby improving the safety of module operation.

[0031] In one embodiment, the wire threading pipes 2 are made of metal, and a protective rubber sleeve 201 is fixedly installed inside the wire threading pipes 2 .

[0032] Specifically, a protective rubber sleeve 201 is fixedly installed inside the threading pipe 2.

[0033] In this embodiment, the wire harness can be connected by utilizing the wire threading pipe 2 and the internal protective rubber sleeve 201, thereby improving the convenience of the wire harness connection control.

[0034] In one embodiment, a storage door 401 is movably installed on the surface of the storage box 4 through a hinge, a storage handle 402 is fixedly installed on the surface of the storage door 401, a connecting plate 5 is fixedly installed on one side of the storage box 4, a buffer plate 501 is fixedly installed on one side of the connecting plate 5, a push-pull plate 7 is fixedly installed on the other side of the storage box 4, a movable frame 701 is fixedly installed on the other side of the push-pull plate 7, a placement frame 10 is fixedly installed inside the storage box 4, and a base plate 6 is fixedly installed on the bottom of the storage box 4.

[0035] Specifically, a power storage door 401 is movably mounted on the surface of the power storage box 4 via a hinge, and a power storage handle 402 is fixedly mounted on the surface of the power storage door 401 .

[0036] In this embodiment, the power storage handle 402 can be used to pull the power storage door 401 to open and close, and then the power storage box 4 can be used to facilitate the placement of the backup battery, thereby improving the stability of the backup battery placement.

[0037] In one embodiment, a storage pad 301 is fixedly installed inside the storage frame 3, and the storage pad 301 is made of rubber material.

[0038] Specifically, the storage frame 3 is fixedly installed on the top of the power storage box 4 and one side of the control box 1 .

[0039] In this embodiment, the storage frame 3 and the internal storage pad 301 can be used to flexibly store components, thereby improving the convenience of component storage.

[0040] In one embodiment, a buffer frame 1001 is fixedly installed inside the placement frame 10 , and a battery 1002 is movably installed inside the buffer frame 1001 .

[0041] Specifically, the placement frame 10 and the internal buffer frame 1001 are fixedly installed inside the electricity storage box 4 .

[0042] In this embodiment, the buffer frame 1001 can be used to stably place the battery 1002, and then the battery 1002 can be used to provide backup power for the solar refrigerator, thereby improving the stability of the operation of the control device.

[0043] In one embodiment, the base plate 6 is made of metal, and universal wheels 601 are fixedly installed on the bottom of the base plate 6 .

[0044] Specifically, the bottom plate 6 is fixedly installed on the bottom of the electricity storage box 4 .

[0045] In this embodiment, the universal wheels 601 can be used in conjunction with the mobile frame 701 to move the device, thereby improving the convenience of controlling the movement of the device.

[0046] When in use, a solar panel direct-driven solar refrigerator control device of this embodiment converts electric energy into AC electric energy through inverter 801, and then uses current signal isolation transmitter 802 to convert AC and DC voltages and currents into mutually electrically isolated voltages in linear proportion for current conversion and transmission, then uses current sensor 803 to transmit current, then uses motor drive module 804 to drive refrigerator motor, then uses intelligent control module 901 to automate module operation, then uses networking module 902 to connect to the network, then uses detection module 903 to detect the operating status of the module, and then uses control to control the refrigerator. Hand 102 pulls the control door 101 to open and close, then uses the heat dissipation slot 103 to dissipate heat inside, then uses the wire conduit 2 and the internal protective rubber tube 201 to pass through and connect the wiring harness, then uses the power storage handle 402 to pull the power storage door 401 to open and close, then uses the power storage box 4 to facilitate the placement of the backup battery, then uses the storage frame 3 and the internal storage pad 301 to movably store the components, then uses the buffer frame 1001 to stably place the battery 1002, then uses the battery 1002 to provide backup power for the solar refrigerator, and then uses the universal wheel 601 and the mobile frame 701 to move the equipment.

[0047] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A solar panel directly driven solar refrigerator control device, comprising a control box (1), characterized in that: Also includes: A control mainboard (8) is fixedly installed inside the control box (1); an inverter (801) is electrically installed on the top of the control mainboard (8); a current signal isolation transmitter (802) is electrically installed on one side of the inverter (801); a current sensor (803) is electrically installed on one side of the current signal isolation transmitter (802); a motor drive module (804) is electrically installed on one side of the current sensor (803); an intelligent mainboard (9) is fixedly installed on the bottom of the control mainboard (8); an intelligent control module (901) is electrically installed on the top of the intelligent mainboard (9); a networking module (902) is electrically installed on one side of the intelligent control module (901); and a detection module (903) is electrically installed on one side of the networking module (902).

2. The solar panel direct-driven solar refrigerator control device according to claim 1, characterized in that: Both sides of the control box (1) are provided with heat dissipation grooves (103) extending through them, and heat dissipation mesh plates (104) are fixedly installed inside the heat dissipation grooves (103). A control door (101) is movably installed on the surface of the control box (1) via a hinge, and a control handle (102) is fixedly installed on the surface of the control door (101). A wire threading pipe (2) is provided extending through the top of the control box (1), and a power storage box (4) is fixedly installed on the bottom of the control box (1). A storage frame (3) is fixedly installed on one side of the control box (1).

3. The solar panel direct-driven solar refrigerator control device according to claim 2, characterized in that: The wire threading pipes (2) are all made of metal material, and a protective rubber sleeve (201) is fixedly installed inside the wire threading pipes (2).

4. The solar panel direct-driven solar refrigerator control device according to claim 2, characterized in that: A storage door (401) is movably mounted on the surface of the storage box (4) via a hinge, a storage handle (402) is fixedly mounted on the surface of the storage door (401), a connecting plate (5) is fixedly mounted on one side of the storage box (4), a buffer plate (501) is fixedly mounted on one side of the connecting plate (5), a push-pull plate (7) is fixedly mounted on the other side of the storage box (4), a movable frame (701) is fixedly mounted on the other side of the push-pull plate (7), a placement frame (10) is fixedly mounted inside the storage box (4), and a base plate (6) is fixedly mounted on the bottom of the storage box (4).

5. The solar panel direct-driven solar refrigerator control device according to claim 2, characterized in that: A storage pad (301) is fixedly installed inside the storage frame (3), and the storage pad (301) is made of rubber material.

6. The solar panel directly driven solar refrigerator control device according to claim 4, characterized in that: A buffer frame (1001) is fixedly installed inside the placement frame (10), and a storage battery (1002) is movably installed inside the buffer frame (1001).

7. The solar panel directly driven solar refrigerator control device according to claim 4, characterized in that: The bottom plate (6) is made of metal material, and a universal wheel (601) is fixedly mounted on the bottom of the bottom plate (6).

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