一种便于检测抛射装置电路的测试装置
By designing retractable, foldable, and bendable sensing components combined with an LED display, the problem of contact difficulties in traditional multimeters during projectile testing was solved, achieving efficient and accurate voltage detection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Filing Date
- 2025-05-20
- Publication Date
- 2026-07-17
AI Technical Summary
Traditional multimeters have difficulty accurately contacting the positive and negative electrodes within the barrel-shaped structure of the propellant device, resulting in inaccurate test results and complex operation.
A test device for easy testing of the projectile device circuit was designed. It uses a retractable, foldable and bendable sensing component, combined with an LED bulb and a display screen, to achieve accurate detection of the projectile device voltage.
It improves the accuracy and convenience of detection, simplifies the operation process, reduces reading errors, has a wide range of applications, and extends service life.
Smart Images
Figure CN224518896U_ABST
Abstract
Claims
1. A testing device for easily testing the circuitry of a projectile device, characterized in that, The housing (1) includes a circuit voltage sensing circuit board, a virtual voltage regulating sensor, and a control circuit board connected by circuit connection lines inside the housing (1). The housing (1) also includes a display screen (2) and multiple LED bulbs (3) electrically connected to the control circuit board on the outside. The bottom of the housing (1) has a first storage slot (11) and a second storage slot (12) on the left and right sides respectively. A telescopic folding rod is installed inside the first storage slot (11), and a sensing head (6) is installed at the bottom of the telescopic folding rod. The sensing head (6) has a hemispherical structure. A bendable telescopic rod is installed inside the second storage slot (12), and a negative electrode plate (10) is connected to the bottom of the bendable telescopic rod. Both the sensing head (6) and the negative electrode plate (10) are electrically connected to the circuit voltage sensing circuit board.
2. The test device for facilitating detection of a projectile device circuit of claim 1, wherein: The display screen (2) is located on the upper part of the front end face of the housing (1), the LED bulb (3) is located below the display screen (2), and the display screen (2) can display voltage from 00 to 28V in segments.
3. The test apparatus of claim 2, wherein: the test apparatus is configured to apply a test signal to the projectile device circuit; and the test apparatus is configured to detect a change in the test signal indicative of a change in the projectile device circuit. 5 The LED bulbs (3) are provided in four units, and the four LED bulbs (3) can emit blue light, yellow light, green light and red light from left to right.
4. The testing device for facilitating the testing of the projectile device circuit as described in claim 3, characterized in that: The four LED bulbs (3) correspond from left to right to 00V fault, 01-19V low voltage, 20-26V normal voltage and 27-28V high voltage.
5. The test device for facilitating detection of a projectile device circuit of claim 1, wherein: It also includes a power supply module, which includes a battery compartment (4) located at the bottom of the outer casing (1), and a storage battery installed inside the battery compartment (4), which is electrically connected to the circuit connection line.
6. The test device for facilitating detection of a projectile device circuit of claim 1, wherein: The negative electrode (10) is made of copper, and the negative electrode (10) has a height of 1.5cm, a width of 1cm, and a thickness of 1mm.
7. The test device for facilitating detection of a circuit of a projectile device of claim 1, wherein: The telescopic folding rod includes a first rotating seat rotatably installed inside the first storage slot (11), a telescopic rod (5) is connected to the first rotating seat, and the sensing head (6) is connected to the telescopic end of the telescopic rod (5).
8. The testing apparatus for facilitating the testing of the projectile device circuit as described in claim 7, characterized in that: The telescopic rod (5) and the sensor head (6) can be stored inside the first storage slot (11). The total telescopic length of the telescopic rod (5) is 25cm. The telescopic rod (5) is made of steel pipe.
9. The test device for facilitating detection of a circuit of a projectile device of claim 1, wherein: The bendable telescopic rod includes a second rotating seat rotatably installed inside the first storage slot (11), an upper telescopic tube (7) is connected to the second rotating seat, a flexible tube (8) is connected to the telescopic end of the upper telescopic tube (7), a lower telescopic tube (9) is connected to the end of the flexible tube (8) away from the upper telescopic tube (7), and the negative electrode plate (10) is connected to the end of the lower telescopic tube (9) away from the flexible tube (8).
10. The test device for facilitating detection of a projectile device circuit of claim 9, wherein: Both the bendable telescopic rod and the negative electrode plate (10) can be stored inside the second storage slot (12), and the total telescopic length of the bendable telescopic rod is 4cm.