Monitoring instrument assembly

Abstract

The utility model relates to the field of instruments, in particular to a monitoring instrument assembly which comprises an upper cover, the interior of the upper cover is in a cavity shape, a lens is arranged on the upper top face of the upper cover, a lower cover is arranged on the lower bottom face of the upper cover, a middle partition plate and a PCBA board are arranged in the upper cover, a power source is arranged below the middle partition plate, and the monitoring instrument assembly further comprises a capacitor. The capacitor is connected with the power supply, a display screen cover is arranged on the PCBA board, a display screen is fixedly arranged on the display screen cover, and the display screen cover is installed in the upper cover. At least two wire harnesses are arranged on the side wall of the upper cover, one end of each wire harness is connected with the upper cover, a connector is installed at the other end of each wire harness, and the problem that the loading condition and the pressure in the tank cannot be monitored in the loading and unloading link at the present stage is solved.

Description

Technical Field

[0001] The utility model relates to the field of instruments, in particular to a monitoring instrument assembly. Background Art

[0002] With the development of modern industry, loading and transporting goods by tank trucks and tank containers has become a common transportation method. In order to ensure the safety of the transportation process and improve the intelligence level of vehicles, monitoring the status information of the medium in the tank is an urgent need of the industry. By monitoring the liquid level / temperature / pressure information of the medium in the tank and combining the tank parameter information, the current vehicle load is calculated in real time.

[0003] In order to ensure safety during the loading and unloading of many media, the vehicle needs to be in a power-off state. The loading status and the pressure inside the tank cannot be monitored during the loading and unloading process. A monitoring instrument assembly is now proposed to solve the problem that the loading status and the pressure inside the tank cannot be monitored during the current loading and unloading process. Utility Model Content

[0004] The purpose of the utility model is to provide a monitoring instrument assembly with an explosion-proof battery to solve the problem that the loading and unloading process cannot monitor the loading situation and the pressure inside the tank. The technical solution adopted by the utility model is as follows:

[0005] A monitoring instrument assembly includes an upper cover, the interior of the upper cover is in a cavity shape, a lens is arranged on the upper top surface of the upper cover, a back cover is arranged on the lower bottom surface, a middle partition and a PCBA board are arranged inside the upper cover, a power supply is arranged below the middle partition, and a capacitor is also included, the capacitor is connected to the power supply, a display screen cover is arranged on the PCBA board, a display screen is fixedly arranged on the display screen cover, and the display screen cover is installed in the upper cover. At least two wire harnesses are arranged on the side wall of the upper cover, one end of the wire harness is connected to the upper cover, and the other end is installed with a connector.

[0006] It is further defined that a button hole is also provided on the upper top surface of the upper cover, a button cover is fixedly installed inside the upper cover by screws, the button cover is located in the button hole, and a silicone cap is coated on the button cover.

[0007] It is further defined that there are two wiring harnesses, one is a charging cable, and the other is a connecting cable. One end of the connecting cable is connected to the upper cover through a waterproof connector and a bolt, and the other end is equipped with a connector for connecting to the entire vehicle. One end of the charging cable is connected to the upper cover through a waterproof connector and a bolt, and the other end is equipped with a charging head for charging the power supply.

[0008] It is further defined that the power supply is an explosion-proof rechargeable battery, the explosion-proof rechargeable battery is glued to the lower end surface of the middle partition by foam glue, the capacitor is located between the middle partition and the PCBA board, the back cover is mounted on the lower bottom surface of the upper cover by screws, a sealing gasket is provided between the back cover and the upper cover, and the lens is glued to the upper top surface of the upper cover by glue.

[0009] The beneficial effects of the utility model compared with the current technology are:

[0010] 1. Built-in explosion-proof battery, and the battery can be charged using the vehicle power supply (or solar charging panel / special charger), which can achieve long-term battery life.

[0011] 2. The monitoring instrument assembly is connected to the entire vehicle, and the medium information (liquid level / temperature / pressure) in the tank is monitored in real time through the overall design circuit and communication protocol. According to the overall parameters of the tank, combined with the medium temperature and temperature information, the algorithm displays the current load information of the tank in real time on the display screen, and the parameter information can be switched through the button cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is an exploded view of the utility model;

[0013] Figure 2 It is a main schematic diagram of the utility model;

[0014] Figure 3 for Figure 2 AA section view in.

[0015] The markings in the figure correspond to: 1-upper cover, 2-lens mounting slot, 3-button hole, 4-lens, 5-back cover, 6-sealing pad, 7-button cover, 8-display, 9-display cover, 10-PCBA board, 11-middle partition, 12-rechargeable battery, 13-capacitor, 14-silicon cap, 15-charging cable, 16-connecting cable, 17-waterproof connector, 18-DT04-4P connector, 19-P13 waterproof aviation plug female. DETAILED DESCRIPTION

[0016] In order to enable those skilled in the art to better understand the technical solution of the utility model, the technical solution of the utility model is further described below in conjunction with the accompanying drawings and embodiments. Example

[0017] like Figure 1-Figure 3As shown, a monitoring instrument assembly includes an upper cover, the interior of the upper cover is in a cavity shape, a lens mounting groove 2 and a button hole 3 are opened on the upper top surface of the upper cover, a lens 4 is glued to the lens mounting groove 2 by glue, a rear cover 5 is provided on the lower bottom surface of the upper cover 1, the rear cover 5 is mounted on the lower bottom surface of the upper cover 1 by screws, a sealing gasket 6 is provided between the rear cover 5 and the upper cover 1, a button cover 7, a display screen 8, a display screen cover 9, a PCBA board 10, a middle partition 11 and an explosion-proof rechargeable battery 12 are arranged in sequence from top to bottom inside the upper cover 1, the explosion-proof rechargeable battery 12 is glued to the lower end surface of the middle partition 11 by foam glue, a capacitor 13 is provided between the PCBA board 10 and the middle partition 11, the capacitor 13 and the explosion-proof rechargeable battery 12 are connected, the display screen cover 9 is fixedly mounted on the inside of the upper cover 1 by screws, the display screen 8 is fixedly mounted on the display screen cover 9, the button cover 7 is fixedly mounted on the inside of the upper cover 1 by screws, and is located In the button hole 3, a silicone cap 14 is coated on the button cover 7 to prevent dust. A charging line 15 and a connecting line 16 are arranged on the side wall of the upper cover 1. One end of the connecting line 16 is connected to the upper cover 1 through a waterproof connector 17 and a bolt, and the other end is installed with a DT04-4P connector 17. The DT04-4P connector 17 is connected to the whole vehicle. According to the CAN bus and the overall circuit design, the traction head protocol can communicate with each other, and the medium information in the tank is displayed in real time on the display screen 8. One end of the charging line 15 is connected to the upper cover 1 through a waterproof connector 17 and a bolt, and the other end is provided with a P13 waterproof aviation plug female head 18. The P13 waterproof aviation plug female head 18 is used to charge the explosion-proof rechargeable battery 12. The overall structure of the monitoring instrument assembly uses 304 stainless steel, has food grade GB4806.9-2016 certification, can be used for transportation of various food media, and the explosion-proof certification level is Ex ib IIC T6 Gb, which can be applied to most of the conventional hazardous chemicals on the market. At the same time, the built-in explosion-proof rechargeable battery has a total of 20Ah, with a theoretical continuous battery life of 240h. According to current operating habits, it can be effectively used for one year without charging; and the rechargeable battery can be charged using the vehicle power supply, which can achieve long-term battery life and is used to monitor the medium information (liquid level / temperature / pressure) in the tank in real time. According to the overall parameters of the tank, combined with the medium temperature and temperature information, the algorithm displays the current load information of the tank in real time, which solves the problem that the loading and unloading process cannot monitor the loading situation and the pressure in the tank at this stage.

[0018] In the description of the present invention, it should be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0019] The above is a detailed introduction to a monitoring instrument assembly provided by the utility model. The description of the specific embodiment is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the utility model, several improvements and modifications can be made to the utility model, and these improvements and modifications also fall within the protection scope of the claims of the utility model.

Claims

1. A monitoring instrument assembly, comprising an upper cover (1), the interior of the upper cover (1) being in a cavity shape, a lens (4) being arranged on the upper top surface of the upper cover (1), and a rear cover (5) being arranged on the lower bottom surface, characterized in that: A middle partition (11) and a PCBA board (10) are arranged inside the upper cover (1), a power supply is arranged below the middle partition (11), and a capacitor (13) is also included, the capacitor (13) is connected to the power supply, a display screen cover (9) is arranged on the PCBA board (10), a display screen (8) is fixedly arranged on the display screen cover (9), the display screen cover (9) is installed in the upper cover (1), and at least two wire harnesses are arranged on the side wall of the upper cover (1), one end of the wire harness is connected to the upper cover (1), and the other end is installed with a connector.

2. A monitoring instrument assembly according to claim 1, characterized in that: The upper top surface of the upper cover (1) is also provided with a button hole (3), and a button cover (7) is fixedly installed inside the upper cover (1) by means of screws. The button cover (7) is located inside the button hole (3), and a silicone cover cap (14) is coated on the button cover (7).

3. A monitoring instrument assembly according to claim 1, characterized in that: The wiring harness has two wires, one is a charging wire (15), and the other is a connecting wire (16). One end of the connecting wire (16) is connected to the upper cover (1) via a waterproof connector (17) and a bolt, and the other end is equipped with a connector for connecting to the entire vehicle. One end of the charging wire (15) is connected to the upper cover (1) via a waterproof connector (17) and a bolt, and the other end is equipped with a charging head for charging the power supply.

4. A monitoring instrument assembly according to claim 1, characterized in that: The power source is an explosion-proof rechargeable battery (12), and the explosion-proof rechargeable battery (12) is glued to the lower end surface of the middle partition (11) by foam glue. The capacitor (13) is located between the middle partition (11) and the PCBA board (10). The back cover (5) is mounted on the lower bottom surface of the upper cover (1) by screws. A sealing gasket (6) is arranged between the back cover (5) and the upper cover (1). A lens mounting groove (2) is opened on the upper top surface of the upper cover (1), and the lens (4) is glued in the lens mounting groove (2) by glue.

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