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Float switch

一种浮子开关、浮子的技术，应用在永磁簧片开关、机器人漂浮运动致动等方向，能够解决机械结构可靠性不理想、机械开关密封性不佳、产品生产安装复杂等问题，达到防水性能出众、可靠性高、生产安装简单的效果

Active Publication Date: 2010-02-24
GP ENTERPRISES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the prior art, the float switch of the water pump uses a mechanical switch. Usually, the mechanical switch has poor sealing performance, not too long life, and the reliability of the complicated mechanical structure is not ideal. Concerns about the gas entering the product, there will be metal oxidation, the production and installation of the product are complicated, the defect rate and the scrap rate are high, resulting in high product cost

Method used

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Embodiment Construction

[0014] as attached figure 1 As shown, a float switch of the present invention includes a float 106, a float guide rod 105, a reed switch detection device, and a relay 101; the float 106 is sleeved on the float guide rod 105 and can slide freely; The device includes a high-position reed switch 108, a position reed switch 109, and a magnet 107. The inside of the float guide rod 105 is hollow, and the high-position reed switch 108 and the low-position reed switch 109 are respectively arranged at the high and low positions inside the float guide rod. Position, the magnet 107 is set inside the float 106, when the water level is relatively low, the height of the float is also low, the low reed switch 109 is connected due to the attraction of the magnet, and the high reed switch 108 cannot be connected because it is far away from the magnet. At this time, the control relay 101 of the circuit is disconnected; when the outside water is slowly injected, the water level rises slowly, and...

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Abstract

The invention discloses a float switch which comprises a float, a float guide rod, a reed pipe detecting device and a relay, wherein the float is sleeved on the float guide rod, and can freely slide;the reed pipe detecting device comprises a high level reed pipe, a lower level reed pipe and a magnet; the float guide rod is hollow inside, and the high level reed pipe and the lower level reed pipeare respectively arranged at the high position and the low position in the float guide rod; and the magnet is arranged inside the float. The float switch adopts the relay to control a motor. When therelay is switched on, the motor works; when the relay is switched off, the electric motor stops working. The invention has long service life and high reliability, has outstanding waterproof performance by adopting a mode of glue pouring sealing, completely avoids the worry about that hydrosphere enters the interior of a product, avoids the phenomenon of metal oxidation, further strengthens the reliability of the product, has simple production and installation, lower poor rate and rejection rate, and further lowers the cost.

Description

technical field [0001] The invention relates to a float switch, in particular to a float switch for a water pump, which belongs to the technical field of fluid engineering. Background technique [0002] In the prior art, the float switch of the water pump uses a mechanical switch. Usually, the mechanical switch has poor sealing performance, not too long life, and the reliability of the complicated mechanical structure is not ideal. The concern of gas entering the product will cause metal oxidation. The production and installation of the product are complicated, and the defect rate and scrap rate are high, resulting in high product cost. Contents of the invention [0003] In view of the above-mentioned technical problems, the object of the present invention is to propose a long-life and high-reliability float switch. [0004] The technical solution of the present invention is achieved as follows: a float switch, including a float, a float guide rod, a reed switch detection...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H36/02
CPCH01H36/02H01H36/0006H01H36/006
Inventor 王黎明
Owner GP ENTERPRISES CO LTD
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