Method, fluid supply unit and measuring device for a level indicator
A measuring device and liquid supply technology, applied in liquid level indicators for physical variable measurement, printing, etc., can solve problems such as large structural dimensions of double-sided support blocks
Active Publication Date: 2009-03-25
PHOENIX CONTACT GMBH & CO KG
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Problems solved by technology
A disadvantage of this type of ink circuit is the enormous structural size of the two-sided support blocks, which makes it impossible to use it in the printers considered, especially in the inkjet printers that are common on the market
Method used
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Embodiment Construction
[0020] figure 1 A not-shown liquid supply unit 1 of an inkjet printer for applying liquid 22 to a printing material is shown in sectional view. The liquid supply unit 1 comprises a storage container 2 which is connected via a fluidic device 3 and optionally via a liquid line 4 to a printing device 5 . The printing device 5 has a housing 6 with an input opening 7 and an output opening 10 and includes a memory 8 and a print head 9 arranged below the memory 8 . A measuring device 11 is connected to the outlet 10 by means of an inlet flange 13 which leads via an inlet 14 to a chamber 15 arranged inside the measuring device 1 . On its housing, the chamber 15 has an overflow flange 16 with an overflow opening 17 on the side opposite the inlet flange 13 . A valve 18 is connected to the overflow opening 17 . The valve 18 serves in particular to prevent contamination of the liquid or ink located in the chamber 15 .
[0021] Measuring device 1 consists of an in particular multi-part...
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The invention relates to a method for a pressure machine having a pressure device (5), in particular an inkjet printer, for applying fluid (22) onto a recording material, said method including the monitoring of the quantity of fluid in a fluid supply unit (1) by measuring the fluid level (23) with follow-up control, wherein the measurement of the fluid level (23) is carried out by a device (11) that detects the presence of fluid at the exit of the pressure device (5). The invention also relates to a fluid supply unit (1), a pressure machine having a pressure device (5), in particular an inkjet printer, for applying fluid (22) onto a recording material, said method including the monitoring of the quantity of fluid in a fluid supply unit (1) by measuring the fluid level (23) with follow-up control, wherein the measuring device (11) is suitable for measuring a filling level (23) and controlling the fluid device (3). Furthermore, a measuring device (11), particularly for a fluid supply unit (1), is disclosed, at least a part of the measuring device (11) consisting of printed circuit board material.
Description
technical field [0001] The present invention relates generally to the field of printers and in particular to a method, a liquid supply unit and a liquid level indicator for inkjet printers according to the preamble features of claims 1, 8 and 22. measuring device. Background technique [0002] An inkjet printer is characterized by the selective ejection of jets of liquid, especially ink, onto a print material, here an inkjet printer is a matrix printer in which an image is created on the surface of ink droplets by firing and deflecting small ink droplets as required. A liquid supply unit is required for applying liquid for printing letters or images. The liquid supply unit basically consists of a liquid pressure system, which conveys the liquid from the storage container to the printing device by means of the flow device, wherein the printing device can additionally be equipped with a reservoir for the liquid. In order to function flawlessly, the printing device of the liq...
Claims
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IPC IPC(8): B41J2/175
CPCB41J2/17513G01F23/26B41J2/17566B41J2/17509
Inventor H·菲特勒D·施特尔马赫
Owner PHOENIX CONTACT GMBH & CO KG