A VOC concentration tester

Abstract

The utility model discloses a VOC concentration tester, including a base, an upper cover, a detection sensor and a circuit board, wherein the detection sensor is fixed on the base, the circuit board is installed above the detection sensor, the detection sensor has a UV lamp, a sampling port and an exhaust port are arranged on one side of the base, the sampling port and the exhaust port are respectively connected to the two sides of the detection sensor, and the upper cover is covered on the base. The VOC concentration tester is used to detect the VOC components in the battery liquid, and whether the battery has leakage is known through the VOC concentration in the gas, thereby improving the safety of battery use and reducing the accidental occurrence of battery leakage. The structure is light and simple, and can be used in the assembly process of the battery to test whether the battery has microporous leakage, avoid bad and safety hazards, and achieve high-quality production of the battery.

Description

Technical Field

[0001] The utility model relates to the technical field of testers, in particular to a VOC concentration tester. Background Art

[0002] The electrolyte of lithium batteries mainly contains a large amount of volatile organic compounds, which are called Volatile Organic Compounds, or VOCs. When a battery leaks, VOCs will be emitted into the surrounding gas, so detecting the concentration of VOCs in the gas around the battery has become an important indicator of battery leakage. Utility Model Content

[0003] One purpose of the utility model is to provide a VOC concentration tester, which collects the gas around the battery to detect the VOC concentration, meets the safety requirements, occupies a small space as a whole, and can be adapted to different environments.

[0004] To achieve this purpose, the utility model adopts the following technical solutions:

[0005] A VOC concentration tester comprises a base, an upper cover, a detection sensor and a circuit board, wherein the detection sensor is fixed on the base, the circuit board is installed above the detection sensor, the detection sensor is provided with a UV lamp, a sampling port and an exhaust port are arranged on one side of the base, the sampling port and the exhaust port are respectively connected to two sides of the detection sensor, and the upper cover is covered on the base.

[0006] As a preferred technical solution, a power connector is provided on a side of the base away from the sampling port, and the power connector is electrically connected to the detection sensor.

[0007] As a preferred technical solution, a micro sampling pump is installed in the base, the inlet of the micro sampling pump is connected to the sampling port, and the outlet of the micro sampling pump is connected to the exhaust port.

[0008] As a preferred technical solution, fans are installed on both sides of the base.

[0009] As a preferred technical solution, a signal light is arranged on the inner side of the upper cover, the signal light passes through the upper cover and extends upward, and the signal light is connected to the circuit board signal.

[0010] As a preferred technical solution, a mounting hole for fixing is provided on the outer side of the base.

[0011] The beneficial effects of the utility model are as follows: providing a VOC concentration tester, which is used to detect the VOC components in the battery liquid. Whether the battery is leaking can be determined by the VOC concentration in the gas, thereby improving the safety of battery use and reducing the accidental occurrence of battery leakage. The utility model has a light and simple structure and can be used in the battery assembly process to test whether the battery has microporous leakage, avoid defects and safety hazards, and achieve high-quality battery production. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The utility model is further described in detail below based on the drawings and embodiments.

[0013] Figure 1 This is a schematic diagram of the overall structure of a VOC concentration tester described in an embodiment;

[0014] Figure 2 This is a diagram of the internal structure of a VOC concentration tester described in an embodiment.

[0015] Figure 1 to Figure 2 middle:

[0016] 1. Base; 2. Top cover; 3. Detection sensor; 4. Circuit board; 5. Sampling port; 6. Exhaust port; 7. Power connector; 8. Micro sampling pump; 9. Fan; 10. Signal light; 11. Mounting hole. DETAILED DESCRIPTION

[0017] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0018] like Figure 1 to Figure 2 As shown, in this embodiment, a VOC concentration tester includes a base 1, an upper cover 2, a detection sensor 3 and a circuit board 4, the detection sensor 3 is fixed on the base 1, the circuit board 4 is installed above the detection sensor 3, the detection sensor 3 has a UV lamp, a sampling port 5 and an exhaust port 6 are provided on one side of the base 1, the sampling port 5 and the exhaust port 6 are respectively connected to the two sides of the detection sensor 3, and the upper cover 2 covers the base 1.

[0019] If the battery leaks, the VOC concentration in the gas will increase, and the gas enters the detection sensor 3 from the sampling port 5. After the signal is collected by the circuit board 4, it is fed back to the upper cover 2 for display. The detected gas is discharged from the detection sensor 3 through the exhaust port 6 to the outside, and the detection signal is indicated by the light of the signal lamp 10.

[0020] A power connector 7 is provided on one side of the base 1 away from the sampling port 5 . The power connector 7 is electrically connected to the detection sensor 3 . The power connector 7 is used to provide power to the internal detection sensor 3 and the circuit board 4 .

[0021] A micro sampling pump 8 is installed in the base 1 , the inlet of the micro sampling pump 8 is connected to the sampling port 5 , and the outlet of the micro sampling pump 8 is connected to the exhaust port 6 . The micro sampling pump 8 draws gas from the outside of the base 1 and enters the detection sensor 3 after passing through the sampling port 5 .

[0022] Fans 9 are installed on both sides of the base 1, and the fans 9 are used for internal cooling to maintain the accuracy of detection.

[0023] A signal light 10 is provided on the inner side of the upper cover 2. The signal light 10 extends upward after passing through the upper cover 2. The signal light 10 is connected to the circuit board 4 by signal. The power supply, device status, testing and signal output of the tester can be intuitively indicated from the signal light 10.

[0024] The outer side of the base 1 is provided with a mounting hole 11 for fixing, through which the portable tester can be mounted at a suitable position for testing.

[0025] It should be stated that the above-mentioned specific implementation methods are only preferred embodiments of the present utility model and the technical principles used. Within the technical scope disclosed by the present utility model, any changes or substitutions that can be easily thought of by technicians familiar with this technical field should be included in the protection scope of the present utility model.

Claims

1. A VOC concentration tester, characterized in that: The invention comprises a base, an upper cover, a detection sensor and a circuit board, wherein the detection sensor is fixed on the base, the circuit board is installed above the detection sensor, the detection sensor is provided with a UV lamp, a sampling port and an exhaust port are arranged on one side of the base, the sampling port and the exhaust port are respectively connected to two sides of the detection sensor, and the upper cover is covered on the base.

2. A VOC concentration tester according to claim 1, characterized in that: A power connector is provided on one side of the base away from the sampling port, and the power connector is electrically connected to the detection sensor.

3. A VOC concentration tester according to claim 1, characterized in that: A micro sampling pump is installed in the base, the inlet of the micro sampling pump is connected to the sampling port, and the outlet of the micro sampling pump is connected to the exhaust port.

4. A VOC concentration tester according to claim 1, characterized in that: Fans are installed on both sides of the base.

5. A VOC concentration tester according to claim 1, characterized in that: A signal light is arranged on the inner side of the upper cover. The signal light passes through the upper cover and extends upward. The signal light is connected to the circuit board signal.

6. A VOC concentration tester according to claim 1, characterized in that: The outer side of the base is provided with a mounting hole for fixing.

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