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Instant vacuum providing device

A technology of vacuum and vacuum degree, which is applied in the field of instant vacuum supply devices, can solve the problems of slow vacuum acquisition, difficult and precise control, uncontrollable vacuum degree, etc., and achieve the effect of precise vacuum degree, precise control and low cost

Active Publication Date: 2016-08-24
VIGOR GAS PURIFICATION TECHNOLOGIES (SUZHOU) CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Generally, vacuum is obtained by using different vacuum pumps or pump groups, or by using vacuum generators, etc., but vacuum pumps are connected to equipment through thin pipelines, and vacuum control valves are added to the pipelines, so that the vacuum is obtained slowly. Moreover, the control is difficult to be precise, and it is easy to overshoot, which cannot meet the requirements of some scientific research or production processes that require instant vacuum and precise control.
In addition, it is realized by increasing the large vacuum pump group, but the cost is too high and the vacuum degree is uncontrollable

Method used

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Embodiment Construction

[0026] Preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0027] In order to achieve the purpose of the present invention, as figure 1 As shown, in some embodiments of the instant vacuum providing device of the present invention, it includes: a plurality of chambers 1, which communicate with the chamber body 2 of the vacuum object, and there is also a set between the chambers 1 and the chamber body 2 There is an opening and closing unit 3, and the opening and closing unit 3 can be valves such as flapper valves or butterfly valves, or can be a cover, and the flapper valve can also be specifically set as a large-diameter vacuum flapper valve; the vacuum pump 4, which passes through the pipe The road 41 connects the chamber 1; the vacuum degree measuring part 42, which is arranged on the pipeline 41, is used to measure the vacuum degree in the chamber 1; the vacuum degree adjustment part 43, which is a...

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Abstract

The invention discloses an instant vacuum providing device. The instant vacuum providing device comprises at least one chamber communicated with a cavity to be vacuumed, wherein an on-off unit is further arranged between the chamber and the cavity; a vacuum pump connected with the chamber through a pipeline; a vacuum degree measuring part and a vacuum degree adjusting part which are respectively arranged on the pipeline, the chamber and / or the cavity; a processing control part which is electrically connected with the vacuum degree measuring part and the vacuum degree adjusting part. The vacuum degree measuring part measures the vacuum degree in the chamber in real time and feeds the vacuum degree back to the processing control part, the processing control part compares the vacuum degree measured in real time with a required vacuum degree, and if the vacuum degree measured in real time is not consistent with the required vacuum degree, the processing control part control the vacuum degree adjusting part to adjust the vacuum degree in the chamber to the required vacuum degree. Compared with the prior art, on the premise of low cost and high efficiency, an instant vacuum environment is obtained for the cavity needing the vacuum environment, and the control of the vacuum degree is more precise.

Description

technical field [0001] The invention relates to a vacuum providing device, in particular to an instant vacuum providing device. Background technique [0002] In the process of scientific research and production, many research experiments and processes are carried out in vacuum equipment. Generally, vacuum is obtained by using different vacuum pumps or pump groups, or by using vacuum generators, etc., but vacuum pumps are connected to equipment through thin pipelines, and vacuum control valves are added to the pipelines, so that the vacuum is obtained slowly. Moreover, the control is difficult to be precise, and it is easy to overshoot, which cannot meet the requirements of some scientific research or production processes that require instant vacuum and precise control. In addition, it is realized by increasing the large-scale vacuum pump group, but the cost is too high and the vacuum degree is uncontrollable. Contents of the invention [0003] In order to solve the above...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/042
CPCG05B19/042G05B2219/25338
Inventor 张德龙
Owner VIGOR GAS PURIFICATION TECHNOLOGIES (SUZHOU) CO LTD
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