Apparatus and method for testing off-line performance of magnetostrictive displacement sensor
A technology of displacement sensor and magnetostriction, which is applied in the direction of measuring devices, electrical devices, instruments, etc., can solve problems that affect the maintenance cycle, increase maintenance costs, and fail to grasp fault information, etc., to ensure the pass rate of the machine, eliminate The effect of the nature of the failure
Active Publication Date: 2014-08-20
BAOSHAN IRON & STEEL CO LTD
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Problems solved by technology
Therefore, there is no way to test the magnetostrictive displacement sensor offline, which not only causes an increase in maintenance costs, but also directly affects the execution of the maintenance cycle if the spare parts are lacking.
For maintenance professionals, if the original fault information cannot be grasped, the real source of the problem between the actual characteristics of the steam regulating door and the conversion characteristics of the displacement sensor cannot be separated at the first moment.
Method used
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[0022] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0023] see figure 1 As shown in Fig. 3, an off-line performance testing device for a magnetostrictive displacement sensor, including a magnetic ring supporting part, a sensor supporting part, an electronic ruler 5 and an off-line testing device body;
[0024] The magnetic ring support part includes an upper support rod 23, a lower support rod 24 and a mounting bracket 6, referring to Fig. 3 , the mounting bracket 6 is T-shaped, and the upper support rod 23 and the lower support rod 24 are fixedly installed on the mounting bracket 2 through locking screws 2. The two ends of the T-shaped shoulder of the bracket 6, and the T-shaped feet of the mounting bracket 6 are inserted into the mounting buckle 3 located in front of the electronic ruler 5. The mounting buckle 3 is a ferrule-type mounting buckle. The upper part of the 23 can be fixedly instal...
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The invention relates to an apparatus and method for testing the off-line performance of a magnetostrictive displacement sensor. According to the testing apparatus, a magnet ring unit (1) is fixed installed at the top of an upper support rod (23); a universal joint assembly (7) is fixedly installed at the lower portion of a lower support rod (24); an installing support frame (6) is inserted into an installing buckle (3) arranged in front of an electronic ruler (5); and the electronic ruler is fixedly installed at a work bench (14) by a positioning bolt (4). An air cylinder (10) is installed below the work bench by a cylinder fixed support frame (11); an air cylinder piston output shaft (8) is connected with the universal joint assembly; and the air cylinder drives the lower support rod to make linear motion. A detected magnetostrictive displacement sensor (21) is installed at a sensor installing support frame (19); the displacement sensor is connected to a current display (16) by a data transmission cable (17); and a long rod of the displacement sensor passes through the magnet ring unit (1).
Description
technical field [0001] The invention relates to an off-line performance testing device and method of a displacement sensor. Background technique [0002] In the field of automation control, the on-site actuator is an important driving link of the factory automation circuit. The response sensitivity and action characteristics of the on-site actuator are directly related to the content of the quality of the adjustment parameters. In the steam regulating door of the steam turbine in the power plant, the equipment that performs the feedback of these important performances and provides the control system to judge whether the working condition of the steam regulating door is good or bad is the displacement sensor installed on the top of the steam regulating door, such as BTL5 of Ballov - Displacement sensor of the E17-M-0300-K-K02 series. Ballov's BTL5-E17-M-0300-K-K02 series displacement sensor is a magnetostrictive displacement sensor, and its installation form is built int...
Claims
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IPC IPC(8): G01B7/02
Inventor 洪华
Owner BAOSHAN IRON & STEEL CO LTD