Battery protection system of double-temperature-control vehicle-mounted refrigerator

Abstract

The utility model belongs to the technical field of vehicle-mounted refrigerators, and particularly relates to a battery protection system of a double-temperature-control vehicle-mounted refrigerator. The device comprises a single-chip microcomputer, a power supply module, a DC12 / 24V power supply, a compressor control circuit, an electromagnetic valve driving circuit, a display panel, a heating wire driving circuit, and a battery voltage detection and three-gear battery protection circuit. A DC12 / 24V power supply is connected to the power supply module and is connected with the single-chip microcomputer, and the output control end of the single-chip microcomputer is connected with a compressor control circuit, an electromagnetic valve drive circuit and a heating wire drive circuit. The detection end of the single-chip microcomputer is connected with a battery voltage detection and three-gear battery protection circuit, and the display panel is connected with the single-chip microcomputer for data interaction and control. The double-temperature and double-control refrigerator has the double-temperature and double-control function, and the diversified requirements of cold storage and heat preservation partitioned storage are met; meanwhile, a battery detection battery protection circuit is integrated, the automobile battery voltage is detected in real time, and the running state of the refrigerator is regulated in real time.

Description

Technical Field

[0001] The utility model belongs to the technical field of vehicle-mounted refrigerators, and in particular relates to a battery protection system of a dual-temperature-controlled vehicle-mounted refrigerator. Background Art

[0002] Cars are now a common choice for people to travel. When traveling long distances or going out for fun, people often carry a lot of food. If the food they carry has temperature requirements, they will need a car refrigerator to store it. With the development of car refrigerators, they are required to have cooling and heating functions, which require more space in the car and power supply guarantee. Traditional car refrigerators lack battery detection and protection control, and cannot control and adjust the temperature according to the changes in battery load when driving or parking. Therefore, a battery protection system for a dual-temperature controlled car refrigerator is provided. Utility Model Content

[0003] In order to solve the defects and shortcomings of the prior art, the purpose of the utility model is to provide a battery protection system for a dual-temperature controlled car refrigerator with a simple structure, reasonable design and easy use. It has the functions of dual temperature and dual control to meet the diverse needs of refrigeration and heat preservation partition storage; at the same time, it integrates a battery detection and battery protection circuit to detect the car battery voltage in real time and adjust the operating status of the refrigerator in real time.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: it includes a single-chip microcomputer, a power module, a DC12 / 24V power supply, a compressor control circuit, an electromagnetic valve drive circuit, a display board, a heating wire drive circuit, a battery voltage detection and a three-speed battery protection circuit; the DC12 / 24V power supply is connected to the power module and connected to the single-chip microcomputer, and the output control end of the single-chip microcomputer is connected to the compressor control circuit, the electromagnetic valve drive circuit and the heating wire drive circuit; the detection end of the single-chip microcomputer is connected to the battery voltage detection and the three-speed battery protection circuit, and the display board is connected to the single-chip microcomputer for data interaction and control.

[0005] Preferably, the battery voltage detection and three-speed battery protection circuit includes a lithium battery board communication circuit, an error detection circuit, a power detection circuit, a left and right box NTC detection circuit, and a protection voltage setting circuit.

[0006] Preferably, the battery voltage detection and the three-speed battery protection circuit 8 detection status are wirelessly interacted through a Bluetooth communication module integrated with the extension on the display panel.

[0007] Preferably, the battery voltage detection and three-speed battery protection circuit adopts SC92F73A1 chip, and the single-chip microcomputer adopts SC95F8615 chip.

[0008] Preferably, the display panel is composed of a plurality of digital tubes.

[0009] After adopting the above structure, the utility model has the following beneficial effects:

[0010] It has dual temperature and dual control functions to meet the diverse needs of refrigerated and heat preservation zone storage;

[0011] It integrates battery detection and battery protection circuits to detect the car battery voltage in real time and adjust the operating status of the refrigerator in real time. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the utility model is described in detail through the following specific implementations and drawings.

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 It is a circuit diagram of a single chip microcomputer 1 of the utility model;

[0015] Figure 3 This is a circuit diagram of the power module 2 of the utility model;

[0016] Figure 4 It is a schematic diagram of the solenoid valve driving circuit 5 of the utility model;

[0017] Figure 5 It is the display board 6 digital tube display circuit of the utility model;

[0018] Figure 6 The battery voltage detection and three-speed battery protection circuit 8 of the utility model is partially schematically shown. Figure 1 :

[0019] Figure 7 The battery voltage detection and three-speed battery protection circuit 8 of the utility model is partially schematically shown. Figure 2 :

[0020] Explanation of the accompanying drawings: single-chip microcomputer 1, power module 2, DC12 / 24V power supply 3, compressor control circuit 4, solenoid valve drive circuit 5, display panel 6, heating wire drive circuit 7, battery voltage detection and three-speed battery protection circuit 8. Implementation

[0021] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is described below by specific embodiments shown in the accompanying drawings. However, it should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0022] It should also be noted that, in order to avoid obscuring the present invention due to unnecessary details, only structures and / or processing steps closely related to the scheme according to the present invention are shown in the accompanying drawings, while other details that are not closely related to the present invention are omitted.

[0023] See Figure 1-Figure 7 As shown, this specific implementation adopts the following technical scheme: it includes a single-chip microcomputer 1, a power module 2, a DC12 / 24V power supply 3, a compressor control circuit 4, a solenoid valve drive circuit 5, a display panel 6, a heating wire drive circuit 7, and a battery voltage detection and three-speed battery protection circuit 8; the DC12 / 24V power supply 3 is connected to the power module 2 and connected to the single-chip microcomputer 1, and the output control end of the single-chip microcomputer 1 is connected to the compressor control circuit 4, the solenoid valve drive circuit 5, and the heating wire drive circuit 7; the detection end of the single-chip microcomputer 1 is connected to the battery voltage detection and three-speed battery protection circuit 8, and the display panel 6 is connected to the single-chip microcomputer 1 for data interaction and control.

[0024] The display panel 6 is integrated with a Bluetooth communication module for wireless interaction and control; the single chip microcomputer 1 adopts the SC95F8615 chip. The display panel 6 is composed of a plurality of digital tubes.

[0025] In addition, the battery voltage detection and three-speed battery protection circuit 8 adopts the SC92F73A1 chip, and the battery voltage detection and three-speed battery protection circuit 8 includes a lithium battery board communication circuit, an error detection circuit, a power detection circuit, a left and right box NTC detection circuit and a protection voltage setting circuit.

[0026] The utility model has the functions of dual temperature and dual control, and meets the diverse needs of refrigeration and heat preservation zone storage; at the same time, it integrates a battery detection and battery protection circuit, detects the car battery voltage in real time, and adjusts the operating status of the refrigerator in real time.

[0027] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention.

[0028] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A battery protection system for a dual temperature control vehicle refrigerator, characterized in that: It includes a single chip microcomputer, a power module, a DC12 / 24V power supply, a compressor control circuit, an electromagnetic valve drive circuit, a display panel, a heating wire drive circuit, a battery voltage detection and a three-speed battery protection circuit; the DC12 / 24V power supply is connected to the power module and connected to the single chip microcomputer, the output control end of the single chip microcomputer is connected to the compressor control circuit, the electromagnetic valve drive circuit and the heating wire drive circuit; the detection end of the single chip microcomputer is connected to the battery voltage detection and the three-speed battery protection circuit, and the display panel is connected to the single chip microcomputer for data interaction and control.

2. The battery protection system of a dual temperature control vehicle refrigerator according to claim 1, characterized in that: The battery voltage detection and three-speed battery protection circuit includes a lithium battery board communication circuit, an error detection circuit, a power detection circuit, a left and right box NTC detection circuit, and a protection voltage setting circuit.

3. The battery protection system of a dual temperature control vehicle refrigerator according to claim 2, characterized in that: The battery voltage detection and the three-speed battery protection circuit detection status are wirelessly interacted through a Bluetooth communication module integrated with Extension on the display panel.

4. The battery protection system of a dual temperature control vehicle refrigerator according to claim 2, characterized in that: The battery voltage detection and three-speed battery protection circuit adopts the SC92F73A1 chip, and the single-chip microcomputer adopts the SC95F8615 chip.

5. The battery protection system of a dual temperature control vehicle refrigerator according to claim 3, characterized in that: The display panel is composed of a plurality of digital tubes.

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