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Flow sensor

A flow sensor and flow technology, applied in the field of flow sensors, can solve the problems such as the inability to combine the flow sensor main body 102 and the flow detection part 122, the high cost, and the inability to form a flow sensor.

Inactive Publication Date: 2016-06-01
SAGINOMIYA SEISAKUSHO INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0025] Therefore, in such a structure in which the flow sensor main body 102 and the flow detection unit 122 for flow measurement are integrated, even if one of the flow sensor main body 102 and the flow detection unit 122 fails, the flow sensor has to be replaced. Both the main body 102 and the flow detection unit 122 (the flow sensor 100 itself), thus increasing the cost
[0026] In addition, in such a structure in which the flow sensor body 102 and the flow detection unit 122 for flow measurement are integrated, for example, when the performance of the flow sensor body 102 and the flow detection unit 122 is checked in advance, it cannot Combining the flow sensor main body 102 and the flow detection part 122 cannot constitute the flow sensor 100 most suitable for its use environment.

Method used

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Experimental program
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Embodiment 1

[0127] figure 1 is a front view of the flow sensor 10 of the present invention, figure 2 is a longitudinal sectional view of the flow sensor 10 of the present invention, image 3 is a perspective view of the flow sensor 10 of the present invention, Figure 4 It is a perspective view explaining the state where the flow detection part 54 is attached to the side part of the flow sensor main body 12 in the flow sensor 10 of this invention, Figure 5 is description Figure 4 Partial enlarged cross-sectional view of the installed state.

[0128] Figure 1 ~ Figure 4 In , the symbol 10 as a whole represents the flow sensor 10 of the present invention.

[0129] Such as Figure 1 ~ Figure 4 As shown, the flow sensor 10 of the present invention includes a flow sensor main body 12 including a flow sensor piping main body 12 a having a substantially circular pipe shape through which a fluid flows. Such as Figure 1 ~ Figure 4 As shown, the flow sensor piping main body 12 a include...

Embodiment 2

[0210] Figure 14 is a diagram showing another embodiment of the flow sensor 10 of the present invention, Figure 14 (A) is a longitudinal sectional view of the flow sensor 10 of the present invention, Figure 14 (B) is a plan view of the flow sensor unit 24 of the flow sensor 10 of the present invention.

[0211] The flow sensor 10 of this embodiment is with Figure 1 to Figure 10 The flow sensor 10 according to the first embodiment shown basically has the same structure, and the same components are given the same reference numerals, and their detailed descriptions are omitted.

[0212] exist Figure 1 to Figure 10 In the flow sensor 10 of the illustrated first embodiment, the flow sensor unit 24 is inserted into the flow sensor main body housing portion 20 from the outlet-side piping portion 16 side of the flow sensor piping main body 12 a.

[0213] Then, the flow sensor unit 24 is disposed on the flow sensor body by making the vortex generating vane member 30 side abut ...

Embodiment 3

[0224] Figure 16 is a diagram showing another embodiment of the flow sensor 10 of the present invention, Figure 16 (A) is a plan view of the flow sensor unit 24 of the flow sensor 10 of the present invention, Figure 16 (B) is a longitudinal sectional view of the flow sensor 10 of the present invention.

[0225] The flow sensor 10 of this embodiment is with Figure 1 to Figure 10 The flow sensor 10 according to the first embodiment shown basically has the same structure, and the same components are given the same reference numerals, and their detailed descriptions are omitted.

[0226] In the flow sensor 10 of this embodiment, as Figure 16 (A)~ Figure 16 As shown in (B), a protruding locking portion 28 a is formed so that the inlet 36 side on the upstream side of the housing 28 protrudes toward the outer peripheral direction.

[0227] In addition, a step portion 22 a opposite to the step portion 22 is formed on the inner peripheral wall of the flow sensor body housing...

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PUM

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Abstract

A flow sensor for measuring the flowing quantity of a fluid, in which the flow sensor main body and the flow rate detection portion for performing the flow measurement is easily detachable, comprising: a flow sensor main body 12 in which the fluid is flowed and which is provided with a flow measurement rotating blade member 32 that is rotated by fluid flow, and a flow rate detection portion 54 in which flow measurement is performed by rotating of the flow measurement rotating blade member 32, wherein on a peripheral side of the flow sensor main body 12, a flexible engaging portion 62 and an engaging space portion 72 formed by the engaging portion 62 are formed, and wherein in the engaging space portion 72 of the flow sensor main body 12, the flow rate detection portion 54 is provided to elastically deform the flexible engaging portion 62, and whereby by the restoring force of the flexible engaging portion 62, the flow rate detection portion 54 is detachably engaged with the peripheral side of the flow sensor main body 12.

Description

technical field [0001] The present invention relates to a flow sensor for measuring the flow rate of a fluid flowing in a pipe, for example, to a flow sensor for measuring the flow rate of liquid fluids such as instantaneous water heaters, boilers, hot water supply equipment, and electric water heaters. Background technique [0002] Conventionally, as a flow sensor for measuring the flow rate of such a fluid, a sensor in the form of generating a pulse signal corresponding to the detected flow rate has been developed. This flow sensor is used, for example, for feedforward control of an instantaneous water heater, ignition control of a burner, etc., and is widely used as a sensor for detecting the integrated flow rate of a bathtub, the remaining hot water amount of a boiler, and the like. [0003] As a flow sensor for measuring the flow rate of such a fluid, there is a flow sensor having a structure disclosed in Patent Document 1 (Japanese Unexamined Patent Application Publica...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01F1/05G01F15/00
CPCG01F15/14G01F1/115G01F15/18
Inventor 儿玉怜士
Owner SAGINOMIYA SEISAKUSHO INC