Waterproof dustproof ammeter
A waterproof and dustproof, electric meter technology, applied in the direction of measuring electrical variables, instruments, measuring devices, etc., can solve the problems of poor waterproof performance, accelerated rubber ring aging, rubber molecular chain breakage, etc., to reduce weight, prolong service life, The effect of improving stability
Active Publication Date: 2018-12-07
WENZHOU ELECTRIC POWER DESIGN +1
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Problems solved by technology
Under the long-term strong ultraviolet radiation in summer, the rubber ring will be irradiated directly through the transparent plastic cover, causing the rubber molecular chain to break and accelerating the aging of the rubber ring, so the waterproof performance will deteriorate
Method used
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[0025] The present invention will be described in further detail below in conjunction with the embodiments given in the accompanying drawings.
[0026] refer to figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 , Figure 10 and Figure 11 As shown, a waterproof and dustproof electric meter of this embodiment includes a watch case 1 and a watch cover 2, the watch case 1 is provided with a cavity for placing electronic components, and the watch case 1 is provided with a power supply The wire is inserted into the connection hole 11 connected with the electronic components, the watch cover 2 is installed on the watch case 1 to seal the electronic components inside, the cover 2 is hinged with a shading frame 21, and the shading frame 21 is set There is a shading plate 22 for blocking sunlight, and the shading frame 21 includes a first rod 211 and two second rods 212, the two ends of the first rod 211 are respectively c...
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The invention discloses a waterproof dustproof ammeter. The waterproof dustproof ammeter is advantaged in that second rods are made to rotate, a plane formed by the second rods and a first rod is parallel to a top surface of the ammeter, a clamping block is made to be aligned with a slot, a light shield plate is mounted on a light shield rack, direct UV rays are blocked, the rubber aging rate is slowed down, the service life of the ammeter is prolonged, the first rod is set to connect the two second rods, the stability of the two second rods is improved, the stability of the light shield rackstructure is improved, the light shield plate is arranged in the trapezoidal shape, when the light shield plate is mounted on the light shield rack, an upper bottom of the light shield plate is closeto a surface cover, a lower bottom is away from the surface cover, so the use material of the light shield plate is reduced, energy saving, emission reduction and environmental protection are achieved, the weight of the light shield plate is reduced, the stability of the light shield rack in the use process is improved, moreover, the ammeter is usually mounted on the relatively high place, reflection is generated when a display screen is irradiated by the sunlight, a user is difficult to observe data of the ammeter, so the light shield plate is set to block the sunlight so that the user is allowed to view the reading of the ammeter.
Description
technical field [0001] The invention relates to the field of electric equipment, in particular to a waterproof and dustproof electric meter. Background technique [0002] An electric meter is an instrument used to measure electric energy, which is widely used in homes, communities, municipalities, factories and other places. Ordinary ammeters are often installed at the corners of the corridors of homes, but for some suburban or rural home users, ammeters are generally installed on the outer walls of buildings. The traditional electric meter includes the electric meter casing, which is provided with a cover body. The inside of the casing is hollow to place various electrical components and circuits. The outline is embedded in the groove, and then the casing and the cover are connected by fasteners. [0003] At present, there are some electric meters on the market. In order to prevent rain and snow, water or moisture enters the casing from the connection between the electric...
Claims
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IPC IPC(8): G01R11/04
CPCG01R11/04
Inventor 徐向东周婕张一池吴伟银
Owner WENZHOU ELECTRIC POWER DESIGN