External power supply device for gas meter detection
A technology for external power supply and gas meter, which is applied in the direction of measuring device, test/calibration device, test/measurement connector, etc. It can solve the problems of inconvenient operation, cumbersome process of installing and taking out the battery, and affecting the detection efficiency of the gas meter. The effect of simplicity, low manufacturing cost, and simple operation
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Embodiment 1
[0022] Such as figure 1 As shown, an external power supply device for gas meter detection includes a left splint 1 and a right splint 2. Rotating shaft installation hole, the rotating shaft 3 is plugged into the rotating shaft installation holes of the left splint 1 and the right splint 2, the torsion spring 4 is sleeved on the rotating shaft 3, and one end of the torsion spring 4 is connected with the left splint 1, and the other end of the torsion spring 4 It is connected with the right splint 2.
[0023] Specifically, in this embodiment, a hook hole is provided on the lower surface of the right splint 2, and a hook hole is also provided on the side of the left splint 1 facing the right splint 2, and the two ends of the torsion spring 4 are J-shaped, twisted The two J-shaped ends of the spring 4 are respectively hooked on the hook holes of the right splint 2 or the left splint 1. In practice, other connection methods can be selected to connect the torsion spring 4 to the le...
Embodiment 2
[0030] Such as figure 2 As shown, an external power supply device for gas meter detection. The difference between the external power supply device for gas meter detection in this embodiment and the external power supply device for gas meter detection in Embodiment 1 is that the external power supply device for gas meter detection in this embodiment The device is equipped with a power supply 18, and in this embodiment, the first electric wire 9 is connected to the positive output end of the power supply 18, and the second electric wire 10 is connected to the negative output end of the power supply 18. When in use, it can be directly connected with the detection of the smart gas meter. The power supply voltage can be configured.
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