Detection bed anti-collision system and anti-collision method

Abstract

An anti-collision system and anti-collision method for a detection bed, the anti-collision system includes: a stress sensor (28), used to measure the stress caused by supporting the surface of the detection bed, and output stress data; The stress sensors (28) are connected to each other for collecting the stress data output by each of the stress sensors (28); the judgment device (32) is connected to the collection device (30) for judging whether the collected stress data is within the preset time monotonically changing; the control device (34) is connected to the judging device (32), and when the stress data collected by the judging device (32) is judged to change monotonically within a preset time, the control device (34) controls the detection The top of the bed stops moving.

Description

technical field [0001] The invention relates to an anti-collision system and method, in particular to an anti-collision system and method applicable to a detection bed used in medical treatment. Background technique [0002] Medical detection equipment such as X-ray, computer tomography (Computer Tomography, CT), magnetic resonance (Magnetic Resonance, MR) and the like have been widely used for disease monitoring. As an important component, the test bed carries the test object. However, during the lifting process of the testing bed, the bed surface may collide with chairs, stretchers, etc., and sometimes even hit the patient, and there is a greater danger. [0003] In order to solve this problem, the prior art proposes a technical solution of using switches to trigger and stop the lifting action. In this solution, micro-switches are installed at multiple positions on the bottom of the bed. When the bed collides, the collision force makes one or more of them The pressure on...

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Problems solved by technology

[0004] However, since the impact force that triggers the release of the micro-switch changes with the load on the bed surface, the judgment of whether the impact occurs is not accurate enough.

For example, compared with zero load, when a heavy patient is carried on the bed, the required trigger force is obviously much larger. That is to say, if the bed collides with the same object at the same speed, no In the case of a patient, the switch may be released, but in the case of a patient with a heavy load, all switches may not be released. At this time, the test bed cannot stop in time, and there is a greater risk

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