CN2133826Y - Water-measuring relay - Google Patents

Abstract

The utility model relates to a water measuring relay, which comprises a metal outer shell, a support metal board, an insulation base board, a plastic protection shell, a rotation coil, a magnetic iron, a silver sheet spring, a rotation push rod, a silver sheet, a rotation mechanism, etc. The rotation coil is arranged between the south pole and the north pole of the magnetic iron and thus when the direct current passes through the coil, the rotation coil drives the rotation push rod to rotate and the rotation push rod can push the silver sheet spring to enable the silver sheet spring to contact or disconnect with the other silver sheet in order to obtain the switching purpose. The utility model can work in the bad working environment with less power consumption, rapid reaction speed and reliable motion and is especially suitable for the detection of the water level.

Description

Water-measuring relay

The utility model relates to a kind of relay, particularly a kind of survey water relay.

The detection of current water level generally all is to adopt transistor as the search switch device, but semiconductor devices is responsive to the variation of operating ambient temperature, can not stably work, and also durable inadequately.

The utility model purpose is to avoid above-mentioned the deficiencies in the prior art part and provides a kind of still stably to work under the bad working environment condition, and the survey water relay that power consumption is little, reaction velocity is fast.

The purpose of this utility model can reach by following measure: the utility model comprises metal shell, supporting metal sheets, insulation seat board, rotating coil energising the end of a thread, plastics containment vessel; it is characterized in that: also have rotating mechanism, rotating coil, magnet, silver strip spring, rotating push-rod, silver strip; rotating coil is contained on the rotating mechanism; and be between the magnet; rotating push-rod is contained on the rotating coil, and can stir the silver strip spring.

The purpose of this utility model can also reach by following measure: rotating mechanism comprises bearing washer, screw bearing, insulating mat, bearing seat, hairspring, and rotating coil and hairspring are contained on the screw bearing.

Fig. 1 is the utility model structural representation;

Fig. 2 is the utility model (A-A) cut-open view.

The utility model is described in further detail below in conjunction with accompanying drawing (embodiment):

With reference to Fig. 1, Fig. 2, compositions such as the utility model metal shell 1, supporting metal sheets 2, insulation seat board 3, rotating coil energising the end of a thread 4, plastics containment vessel 5, rotating coil 11, magnet 12,13, silver strip spring 14, rotating push-rod 15, silver strip 16, rotating mechanism 18; And rotating mechanism 18 comprises bearing washer 6, screw bearing 7, insulating mat 8, bearing seat 9, hairspring 10.17 is silver strip switch connector lug in addition.

Rotating coil 11 is contained on the screw bearing 7, and is between the magnet 12,13; Two blocks of magnet 12 are contained in the upper and lower of plastics containment vessel 5 respectively, and magnet 13 is contained on the bearing seat 9, are positioned at the centre of rotating coil 11.Rotating push-rod 15 links to each other with rotating coil 11, and can be driven by rotating coil 11, thereby stirs silver strip spring 14.

During real work, by rotating coil energising the end of a thread 4 input power supplys, as direct current when being contained in the rotating coil 11 of magnet S, N interpolar, the just related rotating push-rod 15 of rotating coil (frame) rotates, rotating push-rod 15 just promotes silver strip spring 14, make it contact or leave (silver strip spring 14 can be normally closed shape or normal open form formula with silver strip 16) with another silver strip 16, to reach the switch purpose.

Because rotatable coil 11 is between the magnetic pole of permanent magnet, therefore, relay leaves when 1.2V, 1.2mA(silver strip spring 14 and silver strip 16 are flat) or 1.4V, 0.8mA(silver strip spring 14 and silver strip 16 contact when flat) like this under the situation of low-voltage, little electric current, produce strong rotating force pull switch and connect or dialysis.When the utility model is used to survey water level, can ceaselessly be in the monitoring state for a long time, required voltage is very low, and whether also not power consumption has water logging to probe very strong recognition capability to be arranged all to surveying probe or circuit humidity.

The utility model has following advantage compared to existing technology: can stably work under the condition that operating ambient temperature alters a great deal, and little power consumption, reaction speed are fast, highly sensitive reliable in action; Very simple, the easy manufacturing of structure, practical value height are specially adapted to the detection to water level.

Claims (2)

1, a kind of survey water relay; comprise metal shell 1, supporting metal sheets 2, insulation seat board 3, rotating coil energising the end of a thread 4, plastics containment vessel 5; it is characterized in that: also have rotating mechanism 18, rotating coil 11, magnet 12,13, silver strip spring 14, rotating push-rod 15, silver strip 16; rotating coil 11 is contained on the rotating mechanism 18; and be between the magnet 12,13; rotating push-rod 15 is contained on the rotating coil 11, and can stir silver strip spring 14.

2, relay according to claim 1 is characterized in that: rotating mechanism 18 comprises bearing washer 6, screw bearing 7, insulating mat 8, bearing seat 9, hairspring 10, and rotating coil 11 and hairspring 10 are contained on the screw bearing 7.

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