KR20220036798A - Jig for manufacturing temperature measuring device and manufacturing method of the temperature measuring device - Google Patents

Abstract

A jig for manufacturing a temperature measurement apparatus according to an embodiment of the present invention comprises: a jig panel; and a plurality of guides which protrude from one surface of the jig panel, have a cylindrical shape, and are disposed apart from each other. The guides are configured to wind an optical fiber cable provided in the temperature measurement apparatus on outer peripheries of the guides. By winding the optical fiber cable on the guide of the jig, the optical fiber cable maintains a constant shape to reduce error, improves manufacturing speed, and improves reliability of the temperature measurement apparatus.

Description

JIG FOR MANUFACTURING TEMPERATURE MEASURING DEVICE AND MANUFACTURING METHOD OF THE TEMPERATURE MEASURING DEVICE

The present invention relates to a jig for manufacturing a temperature measuring device for measuring the temperature of an electric power device module and a method for manufacturing the temperature measuring device.

In general, an energy storage system (ESS) refers to a device that stores energy using a physical medium. Energy storage can be largely divided into a physical energy storage method and a chemical energy storage method according to the storage method. Representative physical energy storage includes pumping-up power generation, compressed air storage, and flywheel. Chemical energy storage mainly uses batteries, such as lithium-ion batteries and lead-acid batteries. , and sodium sulfur (NaS) batteries. Here, the battery type ESS is referred to as a BESS (Battery Energy Storage System), and in general, the ESS refers to the BESS.

Energy storage devices using batteries generate a lot of heat, so it is important to manage heat to prevent fires. For this purpose, the energy storage device is usually provided with a temperature sensor therein.

Reference will be made to an energy storage device (ESS) according to the prior art. An energy storage device using a battery is usually composed of a cell, a module, and a rack unit. Certification for energy storage devices using batteries is configured in units of racks. The energy storage device using the battery is formed in the form of a rack (1). The rack 1 is configured in a form in which the battery module 2 is stacked in multiple stages on a structure such as a beam. Here, each battery module 2 is composed of a combination of a plurality of battery cells (not shown). At this time, it is common that a temperature sensor (not shown) for self-temperature measurement is provided inside each battery module 2 .

However, when the temperature sensor fails, the temperature measurement of the battery module 2 becomes impossible. In addition, since the temperature sensor is provided inside the battery module 2 , it is not possible to measure the temperature between adjacent battery modules 2 . That is, since the temperature measurement around the battery module (2) is not made, the temperature management for the rack (1) is not made.

An object of the present invention is to provide a jig for manufacturing a highly reliable temperature measuring device, and a method for manufacturing a temperature measuring device using the same.

A jig for manufacturing a temperature measuring device according to an embodiment of the present invention includes: a jig panel; and a plurality of guides protruding from one surface of the jig panel and having a cylindrical shape or a cylindrical shape having an outer circumference of a circular arc and disposed to be spaced apart from each other. The guide may be configured such that an optical fiber cable provided in the temperature measuring device is wound around the outer periphery of the guide.

The diameter of the guide may be 3 to 20 times the cross-sectional diameter of the optical fiber cable.

An area of the jig panel may be the same as or similar to an area of an upper surface or a lower surface of the power device module.

The jig panel may include a pair of long sides and a pair of short sides. The plurality of guides may include: a plurality of one-side guides disposed adjacent to any one of the pair of long sides; and a plurality of other guides disposed adjacent to the other one of the pair of long sides.

The plurality of one side guides and the plurality of other side guides may be arranged symmetrically with respect to a central axis parallel to the long side and crossing the center of the jig panel.

Each of the plurality of one-side guides and the plurality of other-side guides may include: a first guide spaced apart from the central axis by a first distance; and a second guide spaced apart from the central axis by a second distance closer than the first distance.

A circumferential length of the guide may be longer than a unit distance between a plurality of sensing spots included in the optical fiber cable.

The jig for manufacturing the temperature measuring device may further include a sub-panel that is seated on the jig panel and is attached to the optical fiber cable while maintaining a wound state on the plurality of guides.

A method of manufacturing a temperature measuring device according to an embodiment of the present invention comprises: disposing a cable fixing unit on a jig panel; Winding an optical fiber cable to the plurality of guides for a plurality of guides projecting from the jig panel and disposed on both sides of the cable fixing unit and having a cylindrical shape or a cylindrical shape having an outer circumference of an arc; maintaining the optical fiber cable wound around the plurality of guides and fixing the optical fiber cable to the cable fixing unit; and separating the cable fixing unit from the jig panel so that the optical fiber cable is separated from the plurality of guides.

The plurality of guides may include: a plurality of one-side guides arranged in a line on one side of the cable fixing unit; and a plurality of other guides arranged in a line on the other side of the cable fixing unit.

A width of the jig panel may be wider than a width of the cable fixing unit.

A method of manufacturing a temperature measuring device according to an embodiment of the present invention comprises: winding the optical fiber cable at least one turn on a guide protruding from a jig panel and having a cylindrical shape or a cylindrical shape having an outer circumference of a circular arc; fixing the optical fiber cable so that a ring shape formed by winding the optical fiber cable on the guide is maintained; It may include separating the optical fiber cable from the guide.

A circumferential length of the guide may be longer than a unit distance between a plurality of sensing spots included in the optical fiber cable.

The power device module may be a battery module.

According to a preferred embodiment of the present invention, since the optical fiber cable is wound on the guide of the jig, it can be bent or wound to always maintain a constant shape. Accordingly, operation errors may be reduced, manufacturing speed may be improved, and reliability of the temperature measuring device may be increased.

In addition, the optical fiber cable can be easily fixed to the cable fixing unit while maintaining a bent or wound state in a predetermined shape.

In addition, since the optical fiber cable maintains a bent or wound state in a predetermined shape, the temperature verification operation according to the distance of the optical fiber cable performed before installing the temperature measuring device in the energy storage device may be facilitated.

1 is a perspective view of an energy storage device according to the prior art.
2 is a diagram of a temperature measuring device and an energy storage device including the same according to an embodiment of the present invention.
3 is a cross-sectional view taken along line A-A' of FIG. 2 .
4 is a view showing an unfolded state of an optical fiber cable according to an embodiment of the present invention.
5 is a perspective view showing a temperature measuring device according to an embodiment of the present invention.
6 is a view showing a jig and cable fixing unit for manufacturing a temperature measuring device according to an embodiment of the present invention.
7 is a plan view illustrating a jig and a cable fixing unit for manufacturing a temperature measuring device according to an embodiment of the present invention.
8 is a plan view showing a jig for manufacturing a temperature measuring device according to another embodiment of the present invention.
9 is a flowchart illustrating a method of manufacturing a temperature measuring device according to an embodiment of the present invention.
10 is a plan view showing a jig for manufacturing a temperature measuring device according to another embodiment of the present invention.
11 is a flowchart illustrating a method of manufacturing a temperature measuring device according to another embodiment of the present invention.

Hereinafter, specific embodiments of the present invention will be described in detail with drawings.

Hereinafter, when an element is described as being "fastened" or "connected" to another element, it means that two elements are directly fastened or connected, or a third element exists between the two elements and two elements are connected by the third element. It may mean that elements are connected or fastened to each other. On the other hand, when it is described that one element is "directly fastened" or "directly connected" to another element, it may be understood that a third element does not exist between the two elements.

2 is a diagram of a temperature measuring device and an energy storage device including the same according to an embodiment of the present invention, FIG. 3 is a cross-sectional view taken along line A-A' of FIG. 2, and FIG. 4 is an optical fiber according to an embodiment of the present invention. It is a diagram showing a state in which the cable is unfolded.

The energy storage device 10 according to an embodiment of the present invention may include a rack 11 , a plurality of power device modules 20 , and a plurality of temperature measuring devices 25 .

The rack 11 may be configured such that a plurality of power device modules 20 are installed in multiple stages. Hereinafter, a case in which the power device module 20 is a battery module will be described as an example, and the same reference numerals are used for convenience.

In more detail, the rack 11 may include an upper plate 12 , a lower plate 13 , and a plurality of frames 14 that connect the upper plate 12 and the lower plate 13 and extend vertically.

A plurality of battery modules 20 may be installed in multiple stages with respect to the vertical direction in the rack (11). Each battery module 20, operates like a drawer (drawer), can be installed in the rack 11 in the horizontal direction.

To this end, the rack 11 may be provided with a module guide for guiding the installation of the battery module (20). For example, the module guide may be a support plate supporting the battery module 20 . As another example, the module guide may be a rail or a rail counterpart for guiding the insertion of the battery module 20 .

The temperature measuring device 25 may detect the temperature of the battery module 20 and its surroundings. The temperature measuring device 25 measures the surface temperature of the battery module 20 or the space temperature between the battery modules 20 .

In more detail, the temperature measuring device 25 may include a cable fixing unit 30 and an optical fiber cable 40 .

The cable fixing unit 30 may be disposed to be in surface contact with one surface (eg, an upper surface) of the battery module 20 or may be installed to have a predetermined gap with the one surface.

The cable fixing unit 30 may fix the optical fiber cable 40 . In more detail, the cable fixing unit 30 may fix the optical fiber cable 40 in a bent state along a preset path.

The cable fixing unit 30 may have a panel or frame shape. The configuration of the cable fixing unit 30 will be described in detail later.

The plurality of cable fixing units 30 may be positioned between the plurality of battery modules 20 . In more detail, each cable fixing unit 30 may be positioned between a pair of battery modules 20 adjacent to each other. However, the cable fixing unit 30 located at the uppermost end may be located above the battery module 20 located at the uppermost end.

Each cable fixing unit 30 may be inserted and installed between a pair of battery modules 20 adjacent to each other by operating like a drawer.

To this end, the rack 11 or the battery module 20 may be provided with a unit guide for guiding the installation of the cable fixing unit (30). For example, the unit guide may be a support plate for supporting the cable fixing unit 30 . As another example, the unit guide may be a rail or a rail counterpart for guiding the insertion of the cable fixing unit 30 .

However, it is of course possible that a separate unit guide is not provided, and the upper and lower surfaces of the battery module 20 guide the insertion and installation of the cable fixing unit 30 .

The fiber optic cable 40 may be a single cable. However, the present invention is not limited thereto.

The method of measuring the temperature using the optical fiber cable 40 is applied to temperature measurement of conventional electric power underground lines and oil refinery chemical pipelines, and is also called Distributed Temperature Sensing (DTS). Dispersion temperature measurement utilizes the proportional characteristic of temperature and wavelength, which is one of the unique characteristics of optical fibers.

There are three types of scattered waves reflected by the quartz constituting the optical fiber. These are a Rayleigh-scattering wave, a Raman-scattering wave, and a Brillouin-scattering wave. Among them, the Raman wave represents a wavelength that is directly proportional to the temperature. This can be used to measure the temperature (converting the measured wavelength to temperature according to the size).

Referring to FIG. 4 , the optical fiber cable 40 is linearly formed, and the scattering frequency is measured at regular unit intervals L to measure the temperature. That is, the optical fiber cable 40 includes a plurality of sensing spots 45 for sensing temperature, and the plurality of sensing spots 45 are spaced apart from each other by a predetermined unit interval L along the optical fiber cable 40 . can be spaced apart.

일 수 있다. 즉, 광섬유 케이블(40)은 50cm당 0.01

의 해상도로 온도를 측정할 수 있다. 광섬유 케이블(40)의 단위 간격 및 해상도는 필요에 따라 달라질 수 있다.For example, the unit interval L may be 50 cm, and the resolution of each sensing spot 45 is 0.01

can be That is, the fiber optic cable 40 is 0.01 per 50 cm.

Temperature can be measured with a resolution of The unit spacing and resolution of the optical fiber cable 40 may be changed as needed.

The optical fiber cable 40 includes a plurality of inner sections 41 located between the plurality of battery modules 20 and at least one outer section 42 connecting the plurality of inner sections 41 in series with each other. can do.

Each inner section 41 may be fixed to the cable fixing unit 30 and positioned between a pair of adjacent battery modules 20 . Accordingly, each inner section 41 may sense the temperature of one surface (eg, an upper surface) of each battery module 20 .

In more detail, one surface (eg, an upper surface) of the battery module 20 may be divided into a plurality of regions. Each region may be a region in which battery cells inside the battery module 20 are physically separated, such as a partition or partition wall, or a virtual region in which the upper surface of the battery module 20 is divided into a predetermined area.

In order to measure the temperature of each of the plurality of regions, the inner section 41 of the optical fiber cable 40 may have a plurality of sensing spots 45 . The arrangement shape of the optical fiber cable 40 may be determined so that the plurality of sensing spots 45 may be appropriately arranged in each area.

In order to secure a plurality of sensing spots 45 within a limited area corresponding to the one surface of the battery module 20, the inner section 41 of the optical fiber cable 40 may be bent at least once. That is, each cable fixing unit 30 may fix each inner section 41 in a bent state along a preset path.

The plurality of inner sections 41 may have shapes and lengths corresponding to each other. Each inner section 41 may include a plurality of sensing spots 45 . That is, the length L1 of each inner section 41 may be longer than twice the unit interval L between a pair of adjacent sensing spots 45 .

Accordingly, each inner section 41 can reliably detect the temperature distribution on the one surface of the battery module 20 .

Each outer section 42 may be located outside the space between the plurality of batteries 20 . Each outer section 42 may be located adjacent to one circumferential surface of the battery module 20 . In the present embodiment, the at least one outer section 42 may be located adjacent to the front surface 21 of the battery module 20 .

When a plurality of outer sections 42 are provided, the plurality of outer sections 42 may have shapes and lengths corresponding to each other. Each outer section 42 may include at least one sensing spot 45 . That is, the length L2 of each outer section 42 may be longer than the unit interval L between a pair of adjacent sensing spots 45 .

Accordingly, each outer section 42 may sense the peripheral surface of each battery module 20 or the ambient temperature of each battery module 20 . In addition, since the length of the outer section 42 has a margin, the inspection and replacement of the battery module 20 or the temperature measuring device 25 can be facilitated.

The length L1 of each inner section 41 may be longer than the length L2 of each outer section 42 . That is, the number of sensing spots 45 positioned in each inner section 41 may be greater than the number of sensing spots 45 positioned in each outer section 42 . For example, each inner section 41 may include four sensing spots 45 , and each outer section 42 may include one sensing spot 45 .

In order to secure at least one sensing spot 45 within a limited area corresponding to the circumferential surface (eg, front surface) of the battery module 20, the outer section 42 of the optical fiber cable 40 is at least It may include a curling part 43 having a shape rolled once. The curling part 43 may form a ring shape. The curling unit 43 may include at least one sensing spot 45 .

The radius of curvature of the curling part 43 may be 20 times or more of the cross-sectional diameter d1 of the optical fiber cable 40 . This is in consideration of the material properties of the optical fiber cable 40 . In the optical fiber cable 40 , the reliability of temperature sensing can be ensured when the radius of curvature of each point over the entire section is maintained at least 20 times the cross-sectional diameter of the optical fiber cable 40 .

The curling part 43 may be positioned to overlap one circumferential surface of the battery module 20 in a horizontal direction. In more detail, the height H2 of each curling part 43 may be lower than the height H1 of each battery module 20 .

Accordingly, it is possible to prevent the temperature measurement regions of the plurality of curling parts 43 from interfering with or overlapping each other. That is, the plurality of curling units 43 have the advantage of reliably measuring the temperature around the plurality of battery modules 20 , respectively.

The plurality of curling units 43 may be arranged in a line. In more detail, the plurality of curling parts 43 may be arranged in a line in a vertical direction. Accordingly, the plurality of curling units 43 may consistently measure the temperature of the same region with respect to the plurality of battery modules 20 .

Meanwhile, the energy storage device 10 may further include a controller 60 having at least one processor.

One end of the optical fiber cable 40, more specifically, the optical fiber cable 40 may be connected to the controller 60. The controller 60 may receive a plurality of temperature information sensed by the plurality of sensing spots 45 included in the optical fiber cable 40 . For example, the controller 60 may be configured as a DTS server.

The controller 60 may display or notify a warning alarm on the output interface when there is temperature information out of a preset limit temperature range among a plurality of temperature information in the plurality of sensing spots 45 . For example, the output interface may include a display 61 .

Alternatively, the controller 60 includes a communication module that communicates with a terminal and the like, and of course it is also possible to display or notify the warning alarm to the operator through the terminal.

5 is a perspective view of a temperature measuring device according to an embodiment of the present invention, FIG. 6 is a view showing a jig and a cable fixing unit for manufacturing a temperature measuring device according to an embodiment of the present invention, and FIG. 7 is an embodiment of the present invention It is a plan view showing a jig and a cable fixing unit for manufacturing a temperature measuring device according to an example.

The cable fixing unit 30 according to the present embodiment may have a polygonal frame shape (eg, a square frame). In this case, compared with the case where the cable fixing unit 30 has a panel shape, an area covering one surface (eg, an upper surface) of the battery module 20 is reduced and there is an advantage of excellent ventilation.

In this case, the frame constituting the cable fixing unit 30 may have a material having strong heat resistance and high thermal conductivity, such as synthetic resin or metal material. Accordingly, the cable fixing unit 30 may perform heat dissipation of the battery module 20 while in contact with the upper surface of the battery module 20 .

In more detail, the cable fixing unit 30 includes a pair of long frames 30a extending in parallel with each other, and a pair of short frames 30b connecting both ends of the pair of long frames 30a to each other. may include

The long frame 30a may extend in a direction parallel to a depth direction (eg, a front-rear direction) of each battery module 20 . The short frame 30b may extend in a direction parallel to a width direction (eg, a left-right direction) of each battery module 20 .

The long frame 33a may be formed to be longer than the depth of the battery module 20 , that is, the long side. The short frame 33b may be formed shorter than the width of the battery module 20 , that is, the short side.

The cable fixing unit 30 may include a lower frame 31 and an upper frame 32 that are detachably coupled to each other. The lower frame 31 and the upper frame 32 may have the same size and shape as each other. That is, each of the lower frame 31 and the upper frame 32 may include a long frame 30a and a short frame 30b.

In at least one of the long frame 30a of the lower frame 31 and the long frame 30a of the upper frame 32, there is a cable fixing groove 34, 35 into which the optical fiber cable 40 is inserted or inserted and fixed. can be formed.

For example, in the lower frame 31, a plurality of lower fixing grooves 34 spaced apart from each other along the pair of long frames 30a are formed, and the upper frame 32 has a pair of long frames 30a. A plurality of upper fixing grooves 35 spaced apart from each other may be formed along the .

Each side cross-section of the lower fixing groove 34 and the upper fixing groove 35 may have a semicircular shape. The lower fixing groove 34 and the upper fixing groove 35 may be formed to be long in the width direction of the long frame 30a or in a direction oblique to the width direction.

The lower fixing groove 34 and the upper fixing groove 35 may be formed at positions corresponding to each other. In more detail, when the lower frame 31 and the upper frame 32 are combined, the lower fixing groove 34 and the upper fixing groove 35 communicate with each other to form a hole through which the optical fiber cable 40 passes. .

Accordingly, the inner section 41 of the optical fiber cable 40 may be fixed between the lower frame 31 and the upper frame 32 .

However, the present invention is not limited thereto, and a configuration in which the cable fixing unit 30 includes only one of the lower frame 31 and the upper frame 32 is also possible. For example, when the cable fixing unit 30 does not include the upper frame 32 , the side cross-section of the lower fixing groove 34 may have a shape in which a portion of a circle is cut out. In more detail, the inlet of the lower fixing groove 34 may be formed smaller than the diameter of the optical fiber cable 40 . Accordingly, the optical fiber cable 40 is fixed to the cable fixing groove 34 in an interference fit manner, and may not be separated from the cable fixing groove 34 without the upper frame 32 .

Meanwhile, the optical fiber cable 40 may be disposed in the cable fixing unit 30 in a rolled or bent shape. That is, the optical fiber cable 40 may be disposed while a single cable is continuously wound. The fiber optic cables 40 may be overlapped when bent.

That is, the optical fiber cable 40 may include a plurality of straight portions 41a and a plurality of curved portions 41b.

For example, the optical fiber cable 40 may advance in the extension direction of the long frame 30a while being wound in any one of a clockwise direction or a counterclockwise direction. The optical fiber cable 40 may be wound in a spring form a plurality of times and then disposed in a form that is collapsed to one side. The optical fiber cable 40 may be wound in an elliptical shape. The optical fiber cable 40 may be disposed so that portions overlapping each other are formed while being wound.

However, in order for the sensing spot 45 of the optical fiber cable 40 to be accurately positioned at a preset position with respect to the battery module 20, the rolled or bent shape of the optical fiber cable 40 must be uniformly maintained. do. That is, the length of each of the plurality of straight portions 41a and the plurality of curved portions 41b should be kept constant.

However, when bending or winding the optical fiber cable 40 for this purpose is performed manually, there is a risk that a working error occurs and the reliability of the temperature measuring device 25 decreases. In order to solve this concern, the temperature measuring device 25 may be manufactured using a jig 70 for manufacturing the temperature measuring device (hereinafter, referred to as a 'jig').

Hereinafter, the jig 70 will be described in detail.

The jig 70 may include a jig panel 71 and a guide 72 .

The jig panel 71 may be horizontally disposed. The jig panel 71 may have a square plate shape. In more detail, the jig panel 71 may include a pair of long sides 71a and a pair of short sides 72b.

The jig panel 71 may support the cable fixing unit 31 during the manufacturing process of the temperature measuring device 25 .

The width W2 of the jig panel 71 may be wider than the width W1 of the cable fixing unit 30 . That is, the short side 71b of the jig panel 71 may be longer than the short frame 30b of the cable fixing unit 30 .

An area of the jig panel 71 may be the same as or similar to an area of one surface (eg, an upper surface) of the battery module 20 . In more detail, the long side 71a of the jig panel 71 may have a depth corresponding to the depth of the battery module 20 , that is, the long side. The short side 71b of the jig panel 71 may have a width corresponding to the width of the battery module 20 , that is, the short side.

Therefore, when the cable fixing unit 31 is placed on the jig panel 71, the operator assumes that the cable fixing unit 31 is placed on one surface of the battery module 20 and manufactures the temperature measuring device 25. can Thereby, the workability of an operator can be increased. In addition, the manufactured temperature measuring device 25 may have a size and shape suitable for the battery module 20 .

The guide 72 may be formed to protrude from one surface (eg, an upper surface) of the jig panel 71 . The guide 72 may have a cylindrical shape. The cylindrical shape may encompass a hollow cylindrical shape.

However, the present invention is not limited thereto, and it is of course possible for the guide 72 to have a cylindrical shape having an outer circumference of a circular arc. In more detail, some of the outer circumference of the guide 72 may form an arc shape.

The optical fiber cable 40 may be wound around the outer periphery of the guide 72 . This includes a case in which the optical fiber cable 40 is bent along the outer circumference of the guide 72 , that is, it is wound in less than one turn.

The diameter d2 of the guide 72 may be 3 to 20 times the cross-sectional diameter d1 of the optical fiber cable 40 (FIG. 7 shows that the diameter of the optical fiber cable 40 is much larger than the actual diameter for convenience of explanation. Note that it is shown in bold). That is, the diameter d2 of the guide 72 may be variously selected at a level of 3 to 20 times the cross-sectional diameter d1 of the optical fiber cable 40 in accordance with the manufacturing standard of the temperature measuring device.

Accordingly, it is possible to prevent the optical fiber cable 40 from being excessively bent while being wound around the guide 20 .

A plurality of guides 72 may be provided to be spaced apart from each other. In more detail, the plurality of guides 72 includes a plurality of one-side guides 72a arranged in a line adjacent to any one of a pair of long sides 71a of the jig panel 71 and one of the jig panel 71 . It may include a plurality of other guides (72b) arranged in a line adjacent to the other one of the pair of long sides (71a).

The plurality of one side guides 72a and the plurality of other side guides 72b may be symmetrically disposed with respect to the central axis (X). The central axis X may mean a virtual axis that is parallel to the long side 71a of the jig panel 71 and crosses the center of the jig panel 71 .

However, the present invention is not limited thereto, and the plurality of one-side guides 72a and the plurality of other-side guides 72b may be arranged alternately with each other in a direction parallel to the short side 71b of the jig panel 71, of course.

The cable fixing unit 30 may be disposed between the plurality of one side guides 72a and the plurality of other side guides 72b. That is, the plurality of one side guides 72a may be located on one side of the cable fixing unit 30 , and the plurality of other side guides 72b may be located on the other side of the cable fixing unit 30 .

The optical fiber cable 40 may be wound alternately between at least one guide 72a and at least one other guide 72b, and may be fixed to the cable fixing unit 30 in this process.

In more detail, the lower frame 31 of the cable fixing unit 30 may be mounted on the jig panel 71 in a state in which the upper frame 32 is separated, and the optical fiber cable 40 is provided with one guide 72a and It is alternately wound on the other side guide (72b) and may pass through the upper side of the lower frame (31). At this time, the optical fiber cable 40 may be fitted or inserted into the lower fixing groove 34 .

After the winding operation of the optical fiber cable 40 is completed, the upper frame 32 may be coupled to the lower frame 31 . Accordingly, the optical fiber cable 40 may be fixed to the cable fixing unit 30 in a rolled or bent form.

Meanwhile, the order in which the optical fiber cable 40 is wound around the plurality of one side guides 72a and the plurality of other side guides 72b may follow a predetermined rule.

For example, in a direction parallel to the long side 71a of the jig panel 71, the plurality of one-side guides 72a are sequentially a first one-side guide 72a-1 and a second one-side guide 72a-2. It can be named ....., and the plurality of other guides (72b) can be sequentially named as the first other side guide (72b-1), the second other side guide (72b-2) ...... there is.

At this time, the optical fiber cable 40 is a k-th one-side guide, (k-1) one-side guide, (k-1) other-side guide, (k+1)-th other guide, (k+1) one-side guide? can be sequentially wound on ? (k is a natural number greater than or equal to 2).

In more detail, the optical fiber cable 40 includes a second one side guide 72a-2, a first one side guide 72a-1, a first other side guide 72b-1, a third other side guide 72b-3, The third one side guide (72a-3), the second one side guide (72a-2), the second other side guide (72b-2), the fourth other side guide (72b-4), the fourth one side guide (72a-4), The third one-side guide (72a-3), the third other-side guide (72b-3), the fifth other-side guide (72b-5), the fifth one-side guide (72a-5), the fourth one-side guide (72a-4), The fourth other side guide (72b-4), the sixth other side guide (72b-6), the sixth one side guide (72a-6), the fifth one side guide (72a-5), the fifth other side guide (72b-5), The seventh other side guide (72b-7), the seventh one side guide (72a-7), the sixth one side guide (72a-6), the sixth other side guide (72b-6), the eighth other side guide (72b-8), The eighth side guide (72a-8), the seventh side guide (72a-7) ?? may be wound in the order.

However, the rules for the order in which the optical fiber cable 40 is wound may be changed as needed.

8 is a plan view showing a jig for manufacturing a temperature measuring device according to another embodiment of the present invention.

Hereinafter, for the overlapping configuration, the above-described contents are cited.

The jig 70 according to the present embodiment further includes a sub-panel 73 that is seated on the jig panel 71 and is attached to the optical fiber cable 40 while maintaining the wound state on the plurality of guides 72 . can do.

The sub-panel 73 may be positioned between the plurality of one side guides 72a and the plurality of other side guides 72b. The width of the sub-panel 73 may be narrower than the width of the jig panel 71 .

That is, the sub-panel 73 may be mounted on the jig panel 71 instead of the cable fixing unit 30 . The optical fiber cable 40 may be alternately wound on at least one side guide 72a and at least one other side guide 72b, and in this process, an adhesive member 74 such as a tape or the like is placed on the upper surface of the sub-panel 73. can be attached by

After the optical fiber cable 40 is separated from the plurality of guides 72 while attached to the sub-panel 73 , the cable fixing unit 30 , more specifically, the upper fixing groove 35 of the upper frame 32 . can be inserted into Thereafter, the attachment between the sub-panel 73 and the optical fiber cable 40 may be released.

That is, the jig 70 according to this embodiment can be temporarily fixed to the sub-panel 73 instead of directly fixed to the cable fixing unit 30 in the process of winding the optical fiber cable 40 to the guide 72 . . Thereafter, the optical fiber cable 40 temporarily fixed to the sub-panel 73 may be separated from the sub-panel 73 after being fixed to the cable fixing unit 30 .

Accordingly, the optical fiber cable 40 may be fixed to the cable fixing unit 30 in a rolled or bent form.

On the other hand, each of the plurality of one-side guides 72a and the plurality of other-side guides 72b of the jig 70 according to the present embodiment may be alternately disposed in a direction parallel to the long side 71a of the jig panel 71. there is.

In more detail, each of the plurality of one side guides 72a and the plurality of other side guides 72b includes at least one first guide 72c spaced apart from the central axis X by a first distance G1, and the At least one second guide 72d spaced apart from the central axis X by a second distance G2 may be included. The second distance G2 may be closer than the first distance G1.

The first guide 72c and the second guide 72d may be alternately disposed in a direction parallel to the long side 71a of the jig panel 71 . However, the present invention is not limited thereto.

Accordingly, the degree of freedom of selection of the guide 72 on which the optical fiber cable 40 is wound can be increased. That is, there is an advantage that the shape of the optical fiber cable 40 fixed to the cable fixing unit 30 can be designed and manufactured more freely.

9 is a flowchart illustrating a method of manufacturing a temperature measuring device according to an embodiment of the present invention.

The manufacturing method (hereinafter, 'manufacturing method') of the temperature measuring device according to the present embodiment may include a step (S11) of arranging the cable fixing unit 30 on the jig panel 71 .

In more detail, the cable fixing unit 30 may be mounted on the jig panel 71 to be disposed between the plurality of one side guides 72a and the plurality of other side guides 72b.

The manufacturing method may include winding the optical fiber cable 40 around the plurality of guides 72 ( S12 ).

In more detail, the fiber optic cable 40 may be wound alternately between a plurality of one side guides 72a and a plurality of other side guides 72b according to a predetermined rule, and in this process, the cable fixing unit 30, more In detail, it may pass through the upper side of the lower frame 31 .

The manufacturing method may include fixing the optical fiber cable 40 to the cable fixing unit 30 while maintaining the state in which the optical fiber cable 40 is wound around the plurality of guides 72 ( S13 ).

In more detail, the optical fiber cable 40 passing through the upper side of the lower frame 31 may be fitted or inserted into the lower fixing groove 34 .

The manufacturing method may include separating the cable fixing unit 30 from the jig panel 71 so that the optical fiber cable 40 is separated from the plurality of guides 72 ( S14 ).

In more detail, in a state in which the optical fiber cable 40 is fixed to the cable fixing unit 30 , the cable fixing unit 30 may be lifted. Thus, the fiber optic cable can be removed from the guide while remaining curled or bent.

Accordingly, the rolled or bent shape of the optical fiber cable 40 is uniformly maintained and fixed to the cable fixing unit 30 , and a plurality of straight parts 41a included in the inner section 41 of the optical fiber cable 40 . ) and the length of each of the plurality of curved portions 41b may be kept constant.

From the description of the manufacturing method, a person skilled in the art can easily understand an embodiment in which the sub-panel 73 is used instead of the cable fixing unit 30 .

10 is a plan view showing a jig for manufacturing a temperature measuring device according to another embodiment of the present invention.

Hereinafter, for the overlapping configuration, the above-described contents are cited.

The jig 70 according to the present embodiment, the guide 72, the optical fiber cable 40 is wound at least one turn (turn) can form a ring shape. That is, the jig 70 according to the present embodiment may be a jig for forming the outer section 42 of the optical fiber cable 40 , more specifically, the curling part 43 .

However, the present invention is not limited thereto, and it is of course possible to form the inner section 41 of the optical fiber cable 40 using the jig 70 according to the present embodiment.

Accordingly, the circumferential length, that is, the circumference, of the guide 72 may be longer than the unit distance L (see FIG. 4 ) between the plurality of sensing spots 45 included in the optical fiber cable 40 . Accordingly, at least one sensing spot 45 may be included in the ring shape formed by winding the optical fiber cable 40 on the guide 72 .

In addition, unlike the previous embodiment, since the cable fixing unit 30 or the sub-panel 73 does not need to be disposed, each guide 72 can be formed to be sufficiently large as compared to the jig panel 71 . For example, the diameter of the guide 72 may be 0.25 times or more of the width W of the jig panel 71 .

11 is a flowchart illustrating a method of manufacturing a temperature measuring device according to another embodiment of the present invention.

The manufacturing method (hereinafter, 'manufacturing method') according to the present embodiment may include the step (S21) of winding at least one turn of the optical fiber cable 40 to the guide 72.

When a plurality of guides 72 are provided, the optical fiber cable 40 may be sequentially wound on the plurality of guides 72 according to a predetermined rule.

The manufacturing method may include fixing the optical fiber cable 40 so that the ring shape formed by winding the optical fiber cable 40 on the guide 72 is maintained (S22).

In more detail, the optical fiber cable 40 wound around each guide 72 may be fixed to maintain the ring shape by a fixing member (not shown) such as a tape or a fixing tie.

The manufacturing method may include separating the optical fiber cable 40 from the guide 72 (S23).

In more detail, by the fixing member, the optical fiber cable 40 can be separated from the guide 72 while maintaining the ring shape.

Accordingly, the ring shape of the optical fiber cable 40 can be maintained uniformly, and the measurement reliability of the outer section 42 , more specifically, the curling part 43 can be improved.

The above description is merely illustrative of the technical spirit of the present invention, and various modifications and variations will be possible without departing from the essential characteristics of the present invention by those skilled in the art to which the present invention pertains.

Therefore, the embodiments disclosed in the present invention are not intended to limit the technical spirit of the present invention, but to explain, and the scope of the technical spirit of the present invention is not limited by these embodiments.

The protection scope of the present invention should be construed by the following claims, and all technical ideas within the scope equivalent thereto should be construed as being included in the scope of the present invention.

Claims (14)

In the jig for manufacturing a temperature measuring device provided with an optical fiber cable and measuring the temperature of a power device module,
jig panel; and
A plurality of guides protruding from one surface of the jig panel and having a cylindrical shape or a cylindrical shape having an outer circumference of a circular arc and disposed to be spaced apart from each other,
The guide is configured such that the optical fiber cable is wound around the outer periphery of the guide.
Jig for manufacturing temperature measuring device. The method of claim 1,
The diameter of the guide is 3 to 20 times the cross-sectional diameter of the optical fiber cable.
Jig for manufacturing temperature measuring device. The method of claim 1,
The area of the jig panel is the same as or similar to the area of the upper surface or the lower surface of the power device module
Jig for manufacturing temperature measuring device. The method of claim 1,
The jig panel includes a pair of long sides and a pair of short sides,
The plurality of guides,
a plurality of one-side guides disposed adjacent to any one of the pair of long sides; and
Comprising a plurality of other guides disposed adjacent to the other one of the pair of long sides,
Jig for manufacturing temperature measuring device. 5. The method of claim 4,
The plurality of one side guides and the plurality of other side guides are arranged symmetrically with respect to a central axis parallel to the long side and crossing the center of the jig panel.
Jig for manufacturing temperature measuring device. 6. The method of claim 5,
Each of the plurality of one-side guides and the plurality of other-side guides,
a first guide spaced apart from the central axis by a first distance; and
and a second guide spaced apart from the central axis by a second distance closer than the first distance.
Jig for manufacturing temperature measuring device. The method of claim 1,
The circumferential length of the guide is longer than a unit distance between a plurality of sensing spots included in the optical fiber cable.
Jig for manufacturing temperature measuring device. The method of claim 1,
It is seated on the jig panel, the optical fiber cable further comprising a sub-panel configured to be attached while maintaining a wound state on the plurality of guides
Jig for manufacturing temperature measuring device. In the manufacturing method of a temperature measuring device provided with an optical fiber cable and measuring the temperature of a power device module,
disposing the cable fixing unit on the jig panel;
Winding the optical fiber cable to the plurality of guides protruding from the jig panel and disposed on both sides of the cable fixing unit and having a cylindrical shape or a cylindrical shape having an outer circumference of an arc;
maintaining the optical fiber cable wound around the plurality of guides and fixing the optical fiber cable to the cable fixing unit; and
Separating the cable fixing unit from the jig panel so that the optical fiber cable is separated from the plurality of guides
A method for manufacturing a temperature measuring device. 10. The method of claim 9,
The plurality of guides,
a plurality of one-side guides arranged in a line on one side of the cable fixing unit; and
Comprising a plurality of other guides arranged in a line on the other side of the cable fixing unit
A method for manufacturing a temperature measuring device. 10. The method of claim 9,
The width of the jig panel is wider than the width of the cable fixing unit
A method for manufacturing a temperature measuring device. In the manufacturing method of a temperature measuring device provided with an optical fiber cable and measuring the temperature of a power device module,
Winding the optical fiber cable at least one turn on a guide protruding from the jig panel and having a cylindrical shape or a cylindrical shape with an outer circumference of a circular arc;
fixing the optical fiber cable so that a ring shape formed by winding the optical fiber cable on the guide is maintained;
separating the fiber optic cable from the guide
A method for manufacturing a temperature measuring device. 13. The method of claim 12,
The circumferential length of the guide is longer than a unit distance between a plurality of sensing spots included in the optical fiber cable.
A method for manufacturing a temperature measuring device. 13. The method according to claim 9 or 12,
The power device module is a battery module
A method for manufacturing a temperature measuring device.

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