Hydraulic oil tank liquid level and density alarming device
A technology of hydraulic oil tank and alarm device, which is applied in the direction of fluid pressure actuation device, fluid pressure actuation system safety, fluid pressure actuation system components, etc. components and other issues, to achieve the effect of small size, relatively low cost, and convenient installation
Inactive Publication Date: 2014-07-02
ANHUI ZHONGDING FEICAI VEHICLE
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Problems solved by technology
[0002] At present, for some loaders used in the domestic market, the liquid level of the hydraulic oil tank and the oil pollution display are mostly the oil window indication method of the oil mark. Because the hydraulic oil is often used, the oil quality is continuously polluted, and the oil mark is gradually difficult to see. At the same time, the driver Fatigue from working all day or because novices tend to ignore the observation of the hydraulic oil level and oil quality. When the hydraulic oil level is low or insufficient, or the oil quality is polluted or aged, or the hydraulic components are damaged, the hydraulic system cannot work normally; The present invention has solved this problem exactly
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[0016] Examples, see attached figure 1 , 2 , hydraulic oil tank liquid level and density warning device, comprise oil tank body 10, described oil tank body has filling port 3, oil return port 4 and oil outlet 13, and support frame 6 is fixed in the described oil tank body, and described support frame A sensor assembly 5 is installed on it, and the induction output wiring harness 1 of the sensor assembly is connected with the signal amplification and alarm 2 located outside the fuel tank body.
[0017] The sensor assembly 5 is mainly composed of a-sensor 9 , b-sensor 8 and c-sensor 11 which are fixed on the support frame and arranged sequentially from bottom to top.
[0018] The c sensor exposes the hydraulic oil level line 7 in the oil tank.
[0019] A liquid level oil mark 12 is fixed on the side wall of the oil tank body.
[0020] The a sensor, the b sensor and the c sensor are differential pressure capacitance or piezoelectric ceramic sensors.
[0021] Working principle...
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The invention discloses a hydraulic oil tank liquid level and density alarming device which comprises an oil tank body which is provided with an oil adding opening, an oil returning opening and an oil outlet. A supporting frame is fixedly arranged in the oil tank body, and a sensor assembly is installed on the supporting frame. A sensing output harness of the sensor assembly is connected with a signal amplifying alarm located outside the oil tank body. According to the hydraulic oil tank liquid level and density alarming device, a sensor is additionally arranged in the oil tank to monitor the oil level and the oil stain degree of the hydraulic oil tank in real time, when the oil level is insufficient or hydraulic oil is contaminated severely, alarming can be performed in time, and a prompting function is achieved. Pure hydraulic oil is added or used for replacing original hydraulic oil in time, the operation state of a hydraulic system is improved, and normal operation of the hydraulic system is guaranteed. A sensing manner is simple in structure, effects are obvious, installation is convenient, selected elements are high in universality, the structure is safe and high in reliability, and the hydraulic oil tank liquid level and density alarming device is convenient to use.
Description
Technical field: [0001] The invention relates to an alarm device for the change of liquid level and oil density of a hydraulic oil tank of a loader. Background technique: [0002] At present, for some loaders used in the domestic market, the liquid level of the hydraulic oil tank and the oil pollution display are mostly the oil window indication method of the oil mark. Because the hydraulic oil is often used, the oil quality is continuously polluted, and the oil mark is gradually difficult to see. At the same time, the driver Fatigue from working all day or because novices tend to ignore the observation of the hydraulic oil level and oil quality. When the hydraulic oil level is low or insufficient, or the oil quality is polluted or aged, or the hydraulic components are damaged, the hydraulic system cannot work normally; The present invention solves this problem exactly. Invention content: [0003] The purpose of the present invention is to realize that the hydraulic oil t...
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IPC IPC(8): F15B20/00F15B21/04
Inventor 马俊齐发利唐凌霄琚琛吴政张红芬
Owner ANHUI ZHONGDING FEICAI VEHICLE
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