TW201432239A - Portable leak detection apparatus - Google Patents

Abstract

A portable leak detection apparatus is provided, which includes a sensor unit and a measurement unit, wherein the sensor unit includes a flexible non-conductive substrate, a first conductive material and a second conductive material. The first conductive material and the second conductive material are disposed on the flexible non-conductive substrate to form arbitrary shape. An interval is between the first conductive material and the second conductive material. The measurement unit is electrically connected to the first conductive material and the second conductive material.

Description

Portable leakage sensing device

The present invention relates to a liquid leakage sensing device, and more particularly to a portable liquid leakage sensing device.

When piping equipment is repaired, it is often caused by the occurrence of liquid leakage and secondary pollution of other equipment. Especially in large and complicated equipment, the space occupied by the equipment is large. The manpower to monitor the leakage is a huge personnel cost, and the liquid leakage cannot be found immediately. Usually, when the liquid leakage is found, it may often cause a major Work safety accidents or expensive equipment damage.

In order to monitor the occurrence of liquid leakage, in the past, the leak detection line was fixed under the device for monitoring. However, the use of the liquid leakage detection line has the following problems: the liquid leakage detection line must be fixed and fixed on the device. Below, if you want to change the monitoring position, you must re-install it, so you must spend more human resources; the sensing area of the leak detection line depends on the density installed under the device. If the installation density is low, the sensing area is small. Therefore, it is impossible to immediately monitor the occurrence of liquid leakage, and if the installation density is high, the cost and human resources are increased. In addition, the conventional liquid leakage detection line has only a function of monitoring liquid leakage, and cannot prevent rapid diffusion of liquid leakage.

In order not to cause major work safety accidents or expensive equipment damage due to leakage, the operator needs a sensing device capable of both monitoring and protection functions.

The invention provides a portable liquid leakage sensing device, which aims to prevent rapid diffusion of liquid leakage when a pipeline device leaks, thereby preventing equipment damage caused by liquid leakage and accidents of work safety, and sensing immediately Leakage, and thus achieve monitoring results.

The invention provides a portable liquid leakage sensing device, comprising: a sensing unit and a measuring unit, wherein the sensing unit comprises: a flexible non-conductor substrate, a first conductor material and a second conductor material, the first conductor material And the second conductor material is disposed on the flexible non-conductor substrate in an arbitrary shape. There is a gap between the first conductor material and the second conductor material. The measuring unit is electrically connected to the first conductor material and the second conductor material, respectively.

In an embodiment of the invention, the arbitrary shape comprises a square spiral or a circular spiral.

In an embodiment of the invention, the flexible non-conducting substrate comprises a flexible non-conducting substrate having a liquid absorbing property.

In an embodiment of the invention, the liquid-impermeable flexible non-conductor substrate comprises at least one selected from the group consisting of cloth, paper, and plastic sheets.

In an embodiment of the invention, the material of the flexible non-conductor substrate comprises at least one selected from the group consisting of polyvinyl chloride, polypropylene, polytetrafluoroethylene, and polyvinylidene fluoride.

In an embodiment of the invention, the first conductor material and the second conductor material comprise at least one selected from the group consisting of metal wires, metal particle glues, metal alloy wires, or metal alloy particle glues.

In an embodiment of the invention, the spacing has a width of from 3 mm to 20 mm.

In an embodiment of the invention, an adhesive layer is further disposed, the adhesive layer being disposed between the flexible non-conductor substrate and the first conductor material and the second conductor material.

In an embodiment of the invention, an alerter is further included, and the alerter is electrically connected to the measuring unit.

In an embodiment of the invention, the type of the alerter comprises a wired transmission type or a wireless transmission type.

Based on the above, the portable liquid leakage sensing device of the present invention has flexibility, and when used for maintenance of pipeline equipment, it has no space limitation, and can prevent rapid diffusion of liquid leakage when liquid leakage occurs. This prevents equipment damage and accidents caused by liquid leakage. In addition, the portable leakage sensing device of the present invention has a large degree of sensitivity and a wide sensing area, and is different from the detection line fixed in the lower part of the device in the past, and can be moved to the position to be sensed for sensing and saved. Time and effort for disassembly and assembly.

The features and advantages of the present invention will be more apparent from the following description.

The portable liquid leakage sensing device of the present invention can be used for maintenance of pipeline equipment, and prevents rapid diffusion of liquid leakage when liquid leakage occurs, thereby preventing equipment damage and accidents caused by liquid leakage. Moreover, the portable leakage sensing device of the present invention has a configuration configured as an open circuit. The conductor material serves as a sensing unit and has a measuring unit capable of supplying a voltage and measuring the resistance, so that the liquid leaking from the piping device can be sensed, thereby achieving the effects of monitoring and protection. The invention will be described in more detail below with reference to the drawings.

FIG. 1 is a schematic diagram of a portable liquid leakage sensing device according to an embodiment of the invention. Figure 2 is a cross-sectional view taken along line A-A' of Figure 1. FIG. 3 is a schematic diagram of a portable liquid leakage sensing device according to another embodiment of the invention. In the respective drawings, the same components are denoted by the same reference numerals.

Referring to FIG. 1 and FIG. 2 , the portable leakage sensing device 100 of the present invention includes a sensing unit 110 , a measuring unit 120 , and a warning device 130 . The sensing unit 110 includes a flexible non-conductor substrate 140, a first conductor material 151, a second conductor material 152, and an adhesive layer 170. The first conductor material 151 and the second conductor material 152 are disposed on the flexible non-conductor base 140 so as to have a square spiral shape. There is a gap 160 between the first conductor material 151 and the second conductor material 152. The adhesive layer 170 is disposed between the flexible non-conductor substrate 140 and the first conductor material 151 and the second conductor material 152. The measuring unit 120 is electrically connected to the first conductor material 151 and the second conductor material 152, respectively. The indicator 130 is electrically connected to the measuring unit 120.

In one embodiment, the first conductor material 151 and the second conductor material 152 are disposed on the flexible non-conductor substrate 140 in a square spiral shape, but the invention is not limited thereto, as long as the first conductor material 151 and the first There is a gap 160 between the two conductor materials 152, and the first conductor material 151 And the second conductor material 152 can be disposed on the flexible non-conductor substrate 140 in an arbitrary shape. As shown in FIG. 3, the first conductor material 351 and the second conductor material 352 in the sensing unit 310 of the portable liquid leakage sensing device 300 of the present invention may also have a circular spiral shape. The manner is configured on the flexible non-conductor substrate 140. In any of the above shapes, from the viewpoint of the sensing area and the sensitivity, it is preferably spiral.

The method of disposing the first conductor material 151 and the second conductor material 152 on the flexible non-conductor substrate 140 in an arbitrary shape is not limited. For example, the adhesive layer 170 formed of an adhesive is first formed into an arbitrary shape. The method is disposed on the flexible non-conductor substrate 140, and then the first conductor material 151 and the second conductor material 152 are disposed on the adhesive layer 170. If the first conductor material 151 and the second conductor material 152 are inherently viscous, the adhesive layer 170 may not be needed, for example, by coating silver or silver on the flexible non-conductor substrate 140 in an arbitrary shape. Copper paint, and dry silver or silver copper paint.

The adhesive layer 170 is not particularly limited as long as the first conductor material 151 and the second conductor material 152 can be adhered to the flexible non-conductor substrate 140, and is not particularly limited.

The spacing 160 between the first conductor material 151 and the second conductor material 152 determines the sensing area and the sensitivity of the portable liquid leakage sensing device 100. As shown in FIG. 2, the smaller the value of the width L of the interval 160, the higher the sensitivity of the portable liquid leakage sensing device 100; the larger the value of the width L of the interval 160, the portable leakage sensing The wider the sensing area of device 100. However, if the value of the width L is too small, it may be due to the first conductor material 151 and the second conductor. The distance between the body materials 152 is too small to cause a false detection. On the other hand, if the value of the width L is too large, the liquid leakage may not be detected immediately, so the width L of the preferred interval 160 is 3 mm to 20 Mm.

In addition, the width of the space 160 need not be kept constant, for example, the first conductor material 151 and the second conductor material 152 are disposed such that the width of the space 160 gradually widens from the center of the surface of the flexible non-conductor substrate 140 to the end side. Or in such a manner that the width of the space 160 is gradually narrowed from the center of the surface of the flexible non-conductor substrate 140 to the end side, or the width of the space 160 is made from the center of the surface of the flexible non-conductor substrate 140. It can be configured in any way that changes to the end.

The flexible non-conductor substrate 140 is not particularly limited as long as it can carry a liquid, and is preferably liquid-absorbent from the viewpoint of preventing rapid diffusion of liquid leakage, in addition to flexibility and electrical insulation. Flexible non-conductor substrate. The deflectable non-conducting substrate having a liquid absorbing property may include at least one selected from the group consisting of cloth, paper, and plastic sheets. The material of the flexible non-conductor substrate 140 may include at least one selected from the group consisting of polyvinyl chloride, polypropylene, polytetrafluoroethylene, and polyvinylidene fluoride, but the invention is not limited thereto, and is flexible. The material of the non-conductor substrate 140 can be appropriately selected according to the liquid used in the piping apparatus. For example, when the liquid used in the piping apparatus is an acid-base solution, the material of the flexible non-conductor substrate 140 is preferably resistant. Acid-alkaline material.

The first conductor material 151 and the second conductor material 152 are not particularly limited as long as they have conductivity, and the materials of the first conductor material 151 and the second conductor material 152 may be the same or different, and the reference resistors will be described later. Qualitatively, the materials of the first conductor material 151 and the second conductor material 152 are preferably the same material.

The first conductor material 151 and the second conductor material 152 may include at least one selected from the group consisting of a metal wire, a metal particle glue, a metal alloy wire, and a metal alloy particle glue. Specifically, the first conductor material 151 and the second conductor material 152 may be, for example, a commercially available stainless steel wire (trade name: SUS316L), or a commercially available silver paste or silver copper paint.

The measuring unit 120 is not particularly limited as long as it can measure the resistance and transmit a signal to the device of the alerter 130 based on the measurement result. The type of the alerter 130 may include a wired transmission type or a wireless transmission type. The wired transmission type is, for example, an alarm bell or an indicator light. The wireless transmission type is, for example, a wireless network, ZigBee or any module with wireless communication function. The present invention is not limited thereto, and any device that can issue an alarm corresponding to the message can be used as long as it receives the signal from the measurement unit 120. When the equivalent measuring unit 120 measures the resistance, a message is sent to the warning device 130, and after receiving the message, the warning device 130 issues an alarm to inform the online personnel.

The measurement unit 120 is electrically connected to the first conductor material 151 and the second conductor material 152 in the sensing unit 110, respectively, because there is a gap 160 between the first conductor material 151 and the second conductor material 152. Together with the first conductor material 151 and the second conductor material 152 in the sensing unit 110, an open circuit is formed. That is, because of the presence of the interval 160, current cannot flow from the first conductor material 151 to the second conductor material 152 or from the second conductor material 152 to the first conductor material 151 after the voltage is applied from the measurement unit 120. In such a case, the measuring unit The resistance measured at 120 is infinite.

When the pipeline equipment leaks, the droplets drip on the portable liquid leakage sensing device 100 disposed under the pipeline equipment. When the dropped droplets are sufficient to make the first conductor material 151 and the second conductor material 152 conductive, the resistance can be measured at the measuring unit 120, in other words, whether it is measured from the measuring unit 120. The resistance is used to determine if there is any leakage. In addition, any liquid, first conductor material and second conductor material are selected as a reference and the reference resistance is measured. When the unknown leakage is sensed, the measured resistance can be compared with the reference resistance. Know the type of liquid that is missing the leak.

The leakage liquid that can be sensed by the portable liquid leakage sensing device 100 of the present invention is, for example, water, but is not limited thereto, and the acid-base solution can also be sensed. However, if the liquid leakage is an acid-base solution, the material of the first conductor material 151 and the second conductor material 152 must be selected from an acid-base resistant conductor material.

The portable liquid leakage sensing device of the present invention has flexibility and liquid impermeability, and is less restrictive when used for maintenance of pipeline equipment, and can prevent rapid liquid leakage when liquid leakage occurs. Diffusion to prevent equipment damage and accidents caused by liquid leakage. In addition, the portable leakage sensing device of the present invention has a large degree of sensitivity, a wide sensing area, and is different from the detection line fixed in the lower part of the device, and can be moved to the position to be sensed for sensing. It can save time and effort in re-disassembly.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the invention, and any one of ordinary skill in the art can make some modifications and refinements without departing from the spirit and scope of the invention. this The scope of the invention is defined by the scope of the appended claims.

100, 300‧‧‧ portable leak sensing device

110‧‧‧Sensor unit

120‧‧‧Measurement unit

130‧‧‧ warning device

140‧‧‧Flexible non-conductor substrate

151, 351‧‧‧ first conductor material

152, 352‧‧‧Second conductor material

160‧‧‧ interval

170‧‧‧Adhesive layer

L‧‧‧Width

FIG. 1 is a schematic diagram of a portable liquid leakage sensing device according to an embodiment of the invention.

Figure 2 is a cross-sectional view taken along line A-A' of Figure 1.

FIG. 3 is a schematic diagram of a portable liquid leakage sensing device according to another embodiment of the invention.

100‧‧‧Portable liquid leakage sensing device

110‧‧‧Sensor unit

120‧‧‧Measurement unit

130‧‧‧ warning device

140‧‧‧Flexible non-conductor substrate

151‧‧‧First conductor material

152‧‧‧Second conductor material

160‧‧‧ interval

Claims (10)

A portable leakage sensing device includes: a sensing unit and a measuring unit, wherein the sensing unit comprises: a flexible non-conductor substrate; and a first conductor material and a second conductor material to become An arbitrary shape is disposed on the flexible non-conductor substrate, wherein a gap exists between the first conductor material and the second conductor material, and the measuring unit and the first conductor material and the second conductor respectively The material is electrically connected. The portable liquid leakage sensing device of claim 1, wherein the arbitrary shape comprises a square spiral shape or a circular spiral shape. The portable liquid leakage sensing device of claim 1, wherein the flexible non-conductor substrate comprises a liquid permeable flexible non-conductor substrate. The portable liquid leakage sensing device of claim 3, wherein the liquid-absorbable flexible non-conductor substrate comprises at least one selected from the group consisting of cloth, paper, and plastic sheets. The portable liquid leakage sensing device of claim 1, wherein the flexible non-conductor substrate comprises a material selected from the group consisting of polyvinyl chloride, polypropylene, polytetrafluoroethylene, and polyvinylidene fluoride. At least one of the constituent ethnic groups. Portable leakage sensing device as described in claim 1 And wherein the first conductor material and the second conductor material comprise at least one selected from the group consisting of a metal wire, a metal particle glue, a metal alloy wire, and a metal alloy particle glue. The portable liquid leakage sensing device of claim 1, wherein the interval has a width of 3 mm to 20 mm. The portable liquid leakage sensing device of claim 1, further comprising an adhesive layer disposed on the flexible non-conductor substrate and the first conductor material and the second conductor material between. The portable leakage sensing device of claim 1, further comprising an alarm, the warning device being electrically connected to the measuring unit. The portable leakage sensing device of claim 9, wherein the type of the warning device comprises a wired transmission type or a wireless transmission type.