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Monitoring device

A technology for monitoring devices and supporting devices, which is applied in the direction of measuring devices, calorimeters, instruments, etc., and can solve problems such as large-scale supporting devices, large thickness of dynamometer plates, and damage of dynamometers

Active Publication Date: 2018-12-21
DENSO CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, if a large load is applied to the strain gauge from the support member, the load cell may be damaged.
In addition, generally, the plate thickness of the load cell is large, so there is a possibility of increasing the size of the supporting device
In this way, in the method of monitoring the supporting state of the object by the support device with the dynamometer, there are problems in various aspects such as the strength, size, and cost of the dynamometer.
[0006] In addition, the above-mentioned problems of the monitoring device are not limited to the case of the supporting device used for cutting the monitoring object.

Method used

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Experimental program
Comparison scheme
Effect test

no. 1 approach

[0046] This embodiment will be described with reference to the drawings. picture figure 1 As exemplified in , the monitoring device 1 of this embodiment is attached to the supporting device 50 . The monitoring device 1 monitors the support state of the object 2 supported by the support device 50 .

[0047] First, the support device 50 will be described.

[0048] The support device 50 has a movable member 51 , a fixed member 60 , and an elastic member 70 . The movable member 51 in this embodiment is the piston rod 53 included in the air cylinder 52 . The piston rod 53 and the fixing member 60 are arranged to sandwich the object 2 . Both the piston rod 53 as the movable member 51 and the fixed member 60 correspond to an example of the "support member" described in the claims.

[0049] The air cylinder 52 has a cylinder body 54, a piston 55, the above-mentioned piston rod 53, and the like. The air cylinder 52 reciprocates the piston 55 and the piston rod 53 using air pressu...

no. 2 approach

[0121] This embodiment will be described with reference to the drawings. In addition, the second to fifth embodiments described later differ from the first embodiment in the structure of the support device 50 and the method of attaching the heat flux sensor 10 . Other than that, it is the same as the first embodiment. Therefore, only the parts different from the first embodiment will be described below.

[0122] picture Figure 14 As illustrated in , in the support device 50 of this embodiment, the elastic member 70 is provided on the object 2 side of the piston rod 53 as the movable member 51 .

[0123] The fixing portion 62 included in the fixing member 60 functions as a stopper that restricts movement of the object 2 . Therefore, the object 2 is supported between the elastic member 70 provided on the piston rod 53 and the fixing member 60 .

[0124] The heat flux sensor 10 included in the monitoring device 1 is provided between the piston rod 53 and the elastic member 7...

no. 3 approach

[0128] This embodiment will be described with reference to the drawings. picture Figure 15 As illustrated in , in this embodiment, the support device 50 has two movable members 51 and an elastic member 70. The two movable members 51 correspond to an example of the "support member" described in the claims.

[0129] Both of the two movable members 51 are piston rods 531 and 532 respectively provided by the two air cylinders 52 . The two piston rods 531 and 532 are arranged to sandwich the object 2 . In the description of the present embodiment, one piston rod 53 arranged with the object 2 in between is referred to as a first piston rod 531 . Also, the other piston rod 53 is referred to as a second piston rod 532 .

[0130] In this embodiment, as in the second embodiment, the elastic member 70 is provided on the object 2 side of the first piston rod 531 . Therefore, the object 2 is supported between the elastic member 70 provided on the first piston rod 531 and the second pis...

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PUM

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Abstract

A support device 50 is provided with a piston rod 53 and a fixed member 60, which are disposed with a target object 2 interposed therebetween, and an elastic member 70 disposed on the target object 2side of the fixed member 60. A monitoring device 1 is provided with a heat flux sensor 10 and a detection unit 20. When the target object 2 is supported between the piston rod 53 and the fixed member60 by the movement of the piston rod 53, the heat flux sensor 10 outputs a signal corresponding to the heat flux flowing between the fixed member 60 and the elastic member 70 compressed by a load applied from the piston rod 53. On the basis of the signal outputted by the heat flux sensor 10, the detection unit 20 outputs the size of the target object 2 or the support state of the target object 2 produced by the support device 50.

Description

technical field [0001] The present invention relates to a technique for monitoring the support state of an object supported by a support device. Background technique [0002] For example, Patent Document 1 discloses a heat flux sensor that outputs a signal based on heat flux. [0003] Patent Document 1: Japanese Patent No. 5376086 [0004] There is known a support device that supports an object by a plurality of support members arranged to sandwich the object. This support device is used to support an object at a predetermined position when cutting the object or the like, for example. At this time, when the position supporting the object is shifted from the original position, machining failure occurs when the object is cut. Furthermore, when the object falls off from the support member, cutting of the object cannot be performed. Usually, the presence or absence of a processing defect is determined through an inspection process after the object is processed. Therefore, w...

Claims

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Application Information

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IPC IPC(8): G01N25/18
CPCG01K17/00G01L1/005G01N25/18G01K17/08G01K3/04
Inventor 原田敏一坂井田敦资谷口敏尚乡古伦央冈本圭司斋藤启太
Owner DENSO CORP