KR20170056322A - A tire sensor installing structure comprising a vaccum suction plate and chamber - Google Patents

A tire sensor installing structure comprising a vaccum suction plate and chamber Download PDF

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Publication number
KR20170056322A
KR20170056322A KR1020150159851A KR20150159851A KR20170056322A KR 20170056322 A KR20170056322 A KR 20170056322A KR 1020150159851 A KR1020150159851 A KR 1020150159851A KR 20150159851 A KR20150159851 A KR 20150159851A KR 20170056322 A KR20170056322 A KR 20170056322A
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KR
South Korea
Prior art keywords
tire
inner liner
adsorption
sensor module
suction
Prior art date
Application number
KR1020150159851A
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Korean (ko)
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KR101781697B1 (en
Inventor
소순홍
김정헌
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한국타이어 주식회사
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Priority to KR1020150159851A priority Critical patent/KR101781697B1/en
Publication of KR20170056322A publication Critical patent/KR20170056322A/en
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Publication of KR101781697B1 publication Critical patent/KR101781697B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/0061—Accessories, details or auxiliary operations not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B60C23/02—Signalling devices actuated by tyre pressure
    • B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B60C23/02—Signalling devices actuated by tyre pressure
    • B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
    • B60C23/0408—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
    • B60C23/0422—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver characterised by the type of signal transmission means
    • B60C23/0433—Radio signals
    • B60C23/0447—Wheel or tyre mounted circuits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B60C23/02—Signalling devices actuated by tyre pressure
    • B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
    • B60C23/0491—Constructional details of means for attaching the control device
    • B60C23/0493—Constructional details of means for attaching the control device for attachment on the tyre
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B60C23/06—Signalling devices actuated by deformation of the tyre, e.g. tyre mounted deformation sensors or indirect determination of tyre deformation based on wheel speed, wheel-centre to ground distance or inclination of wheel axle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/0061—Accessories, details or auxiliary operations not otherwise provided for
    • B29D2030/0077—Directly attaching monitoring devices to tyres before or after vulcanization, e.g. microchips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/0061—Accessories, details or auxiliary operations not otherwise provided for
    • B29D2030/0083—Attaching monitoring devices to tyres before or after vulcanization by inserting them inside tyre cavities

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tires In General (AREA)
  • Measuring Fluid Pressure (AREA)

Abstract

The present invention relates to a tire sensor installation structure and, more specifically, to a tire sensor installation structure comprising: one or more adsorption plates attaching a sensor module to the surface in a tire; and an adsorption groove unit formed on part of the surface in the tire, having the adsorption plate installed to cover an inlet and increasing adsorption power of the adsorption plate to the surface in the tire. The ire sensor installation structure has excellent workability of installing and removing a sensor module, can be applied to various sensors and attachment positions, and increases installation reliability of the sensor module.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a tire sensor mounting structure comprising a suction plate and a vacuum adsorption space,

The present invention relates to a tire sensor mounting structure, and more particularly, to a tire sensor mounting structure having at least one suction plate for attaching a sensor module to an inner surface of a tire, a suction plate formed at a predetermined area on the inner surface of the tire, And a suction groove having a function of increasing the attraction force with respect to the tire inner surface of the suction plate. This makes it possible to apply various sensors and various mounting positions, and to improve the mounting reliability of the sensor module. The present invention provides a tire sensor installation structure having an advantage of increasing the size of the tire.

Recently, a system has been developed and applied, in which a sensor module capable of collecting air pressure, temperature, and acceleration data is installed in a tire, processing data collected from these sensor modules, and providing various information to the driver.

When a sensor module for a tire is installed inside a tire, the sensor module is exposed to lateral forces and rotational moments in various directions under such installation conditions because the tire rotates at a high speed at the time of vehicle operation and experiences a rapid depreciation. to be. Therefore, a technique for constructing a sensor module in a tough and reliable manner is being developed.

Attachment of a sensor module to a tire has been variously developed. For example, in the case of a bonding type using an adhesive, the adhesion performance is further lowered due to heat generation of the tire during traveling. In addition, the structure in which sensors are attached to the inside of the tire material and the rim portion such as the bead and the tread pile may be a factor that adversely affects the safety of the vehicle occupant due to low reliability of the attachment, There is a high possibility of problems.

In the pneumatic tire monitor of US-A-2001-870569, a tire, a transponder provided on a tire and equipped with an antenna, one or more receivers fixedly mounted on a vehicle, and a processing unit for processing a received signal And the circuit of the transponder is formed on a printed circuit board and is located inside a protective housing coaxial with the wheel hub axis and the antenna can be a partial loop antenna, a helical antenna, a circular dipole antenna, a small couple A pneumatic tire condition monitor system is disclosed which is one of the ringcoats.

US 2001-870569 A

In the prior art 1, a circuit board is fixed to a wheel hub shaft via a separate supporting structure and a mechanical element. When a mechanical element is used to couple the circuit board, various types, magnitudes of vibrations, The second problem is that it is impossible to install the sensor module at various positions inside the tire because the circuit board is limited to being located at the hub of the wheel hub. A third problem is that it is not possible to apply a sensor that performs the function of the sensor.

In order to solve the above-described problems, the present invention provides a tire comprising: at least one adsorption plate each having a function of attaching a sensor module to an inner surface of a tire; an adsorption plate formed at a predetermined position on an inner surface of the tire, And the suction groove portion increases the attraction force of the suction plate against the inner surface of the tire.

According to an embodiment of the present invention, when the adsorption plate is installed on the adsorption groove, a vacuum is formed inside the adsorption groove, and the adsorption groove is formed on the inner liner of the tire .

Further, according to an embodiment of the present invention, the depth of the adsorption groove portion may be 20 to 40 percent of the inner liner thickness.

Further, according to one embodiment of the present invention, the area of the adsorption groove portion may be 80 to 400 percent of the area of the bottom of the sensor module.

In addition, according to an embodiment of the present invention, the sensor module may further include a cover housing for receiving the sensor module therein to protect the sensor module, and a cover housing coupled to a part of the attracting plate.

Further, according to one embodiment of the present invention, the cover housing is made of at least one homopolymer selected from the group consisting of ethylene-vinyl acetate copolymer (EVA), synthetic rubber, natural rubber and urethane or a copolymer of these monomers Lt; / RTI >

According to one embodiment of the present invention, the adsorption plate is made of a copolymer of ethylene homopolymer (EVA), at least one homopolymer selected from the group consisting of synthetic rubber, natural rubber and urethane, or a copolymer of these monomers .

Further, according to an embodiment of the present invention, the coupling between the cover housing and the adsorption plate may be performed by one of an adhesion process, a deposition process, and a vulcanization process.

Further, according to an embodiment of the present invention, the cover housing and the attracting plate may be integrally formed.

According to an embodiment of the present invention, the integral molding of the cover housing and the adsorption plate may be performed by an injection process or a molding process.

In addition, the present invention provides a method of manufacturing a suction groove for a tire sensor installation structure, comprising the step of removing the shape of the suction groove to the inner liner to form the suction groove.

The method further includes the steps of preparing an additional inner liner, piercing the additional inner liner to further include a piercing portion that reflects the shape of the suction groove, adhering the pierced additional inner liner to the inner liner, The present invention also provides a manufacturing method of a suction groove for a tire sensor mounting structure.

Preparing an additional inner liner, puncturing the additional inner liner so that the additional inner liner has a piercing portion that reflects the shape of the suction groove, padding the pierced additional inner liner to the inner liner in a non- And a step of vulcanizing the entire inner liner and the inner liner, which are padded with each other, to produce an adsorption groove portion.

Further, according to an embodiment of the present invention, the additional inner liner may have the same area as the inner liner, or may have an initial area of 120 to 150 percent of the pore area.

Further, it is also possible to prepare a green tire provided with an inner liner, a step of mounting the green tire on the vulcanizing die, and a method of applying pressure to the surface of the inner liner using a bladder having a projection having a predetermined shape And the protruding portion has a reverse shape of the shape of the suction groove portion. The present invention also provides a method of manufacturing a suction groove for a tire sensor mounting structure.

The method may further include preparing a sensor module having a suction plate coupled thereto, positioning the suction plate so that the upper portion of the suction groove is completely covered, and forming a vacuum in the suction groove. Provides instructions on how to use the installation structure.

According to an embodiment of the present invention, there is provided a method of using a tire sensor mounting structure, which comprises forming a vacuum using a vacuum chamber.

Further, there is provided a tire having the tire sensor installation structure of the present invention.

Also, according to an embodiment of the present invention, two or more tire sensor installation structures may be provided.

The first effect of the present invention is that it is not necessary to damage the surface of the inner liner for the installation of the sensor module, the sensor installation structure is formed during the tire manufacturing process, so that no additional process is required and mass production is possible. A third effect that various types of sensor module installation points and sensor module types can be applied, and a second effect that the workability of the sensor module can be improved. The fourth effect can be obtained.

1 is a sectional schematic view of a tire sensor installation structure according to an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional view of a structure for installing a suction groove and a tire sensor formed on an inner liner of a tire according to an embodiment of the present invention.
3 is a cross-sectional schematic diagram of a tire sensor installation structure having two suction plates according to an embodiment of the present invention.
4 is a schematic view for explaining a method of manufacturing a groove for adsorption using an additional inner liner according to an embodiment of the present invention.
5 is a schematic view for explaining a method of manufacturing a groove for adsorption using the shape of a projecting portion of a brassiere according to an embodiment of the present invention.

While the invention is susceptible to various modifications and alternative forms, specific embodiments thereof are shown by way of example in the drawings and will herein be described in detail. It should be understood, however, that the invention is not intended to be limited to the particular embodiments, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention. Like reference numerals are used for like elements in describing each drawing.

It is to be understood that when an element is referred to as being "connected" or "connected" to another element, it may be directly connected or connected to the other element, . On the other hand, when an element is referred to as being "directly connected" or "directly connected" to another element, it should be understood that there are no other elements in between.

The terminology used in this application is used only to describe a specific embodiment and is not intended to limit the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise.

In the present application, the terms "comprises" or "having" and the like are used to specify that there is a feature, a number, a step, an operation, an element, a component or a combination thereof described in the specification, But do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof.

The present invention relates to a sensor installation structure for installing a sensor module (10) for collecting a state of a tire on the inner surface of the tire, comprising a suction plate having a function of attaching the sensor module (10) And a suction groove (30) formed in a predetermined area on the inner surface of the suction plate (20) so as to cover the inlet and performing a function of increasing the suction force of the suction plate (20) Respectively.

Hereinafter, each component will be described in detail.

The present invention relates to an installation structure on the inner surface of a tire of a sensor module 10 and a sensor module 10 is mounted on a cover housing (not shown) 13, and the cover housing 13 is combined with the attracting plate 20, so that the sensor module 10 can be regarded as a constituent element of the present invention.

1, the sensor module 10 in the present invention includes at least one sensor element and a substrate on which the sensor element 10 is mounted, and receives signals from an external controller, / Road surface data, etc., and an antenna. The information collected by the sensor element 11 may include information such as the internal pressure of the tire, the internal temperature, the road surface condition, the degree of wear of each tire portion, the running state of the vehicle, and the longitudinal / But is not limited to.

The sensor module 10 can be directly coupled with the suction plate 20 to be described later by a predetermined coupling method and the sensor module 10 at this time is not packaged but mounted on the inner surface of the tire. However, it is also possible to further include a cover housing 13, which is installed inside the sensor module 10 to protect the sensor module 10 and is coupled to a part of the suction plate 20. [ An embodiment of such a cover housing 13 is shown in Fig. That is, the sensor module 10 is mounted in the cover housing 13 and the combination of the sensor module 10 coupled to the cover housing 13 and the cover housing 13 is again referred to as a sensor module 10 .

The shape of the cover housing 13 is not definite. The internal sensor module 10 may be closed, but it is not excluded that the sensor module 10 has a specific structure such as a predetermined air flow path depending on the type of the sensor module 10. However, when the weight of the cover housing 13 is increased, the center of gravity of the sensor module 10 and the cover housing 13 is increased, so that the rotational moment due to the impact force from the tire can be increased. ) And the adsorption plate 20 or the adhesion site of the adsorption plate 20 and the inner surface of the tire may be lowered.

The material of the cover housing 13 can be made of the same material as or different from that of the adsorption plate 20 described later.

In particular, the inner liner may be made of the same or similar material. For example, at least one homopolymer selected from the group consisting of ethylene-vinyl acetate copolymer (EVA), synthetic rubber, natural rubber and urethane, . Of course, it is not excluded to include other polymers or the like.

The purpose of the cover housing 13 is to provide the sensor module 10 on the inner surface of the tire so that the cover housing 13 can be manufactured integrally with the sensor module 10 (or the cover housing 13) At one end of the housing 13, a coupling structure with the suction plate 20 should be provided. The former will be described first.

The cover housing 13 and the suction plate 20 can be integrally formed and in such an embodiment the cover housing 13 can minimize the rotational movement and the linear displacement movement (vibration, etc.) relative to the suction plate 20 .

The integral molding of the cover housing 13 and the attracting plate 20 may be performed by one of an injection process and a molding process. In the injection process, a molten injected material is injected into an injection mold, In the molding process, a mold material is poured into a mold having a predetermined shape and solidified to form an object.

1, in the case of a system having a coupling structure formed to correspond to one end of the cover housing 13 and one end of the attracting plate 20, the coupling structure is formed between the attracting plate 20 and the sensor module 10, In particular, when the sensor module 10 is installed with an acceleration sensor, a force sensor, or the like, the sensor module 10 may be mounted on the suction plate 20 It is needless to say that the relative motion (linear motion, rotational motion) is not performed.

In one embodiment of the coupling structure between the attracting plate 20 and the cover housing 13, a projecting portion / groove portion is provided on the attracting plate 20 and a projecting portion / groove is formed on a part of the sensor module 10 And a method of joining them together (using a special coupling structure). In the case of using the special coupling structure, it is also possible to form not only a method of engaging and fitting a protruding portion in a groove portion but also a threading corresponding to each of the groove portion and the protruding portion to improve the assemblability. However, it is possible to consider setting the fitting tolerance so as to prevent the relative movement between the attracting plate 20 and the sensor module 10, or further applying an adhesive to the groove portion and the convex portion have. In the use of the special coupling structure, the shape of the protruding portion and the groove portion can be set to a simple cylindrical shape and a circular sectional hole. When the material of the protrusion is elastic, the protrusion 91 is added to the tip of the protrusion, and an additional space is provided at the bottom of the protrusion. When the insertion of the protrusion into the groove is completed, 91 in the insertion direction (axial direction) can be prevented through positioning in the additional space of the groove portion.

As another embodiment related to the coupling structure between the attracting plate 20 and the cover housing 13, there is a face-to-face bonding method. The bonding method using an adhesive and the fusion bonding method in which a part of the elements are melted and mutually attached But the present invention is not limited thereto.

1, the suction plate 20 has a dome shape or a bowl shape or a saucer shape. After the dome-like bottom edge of the whole body is brought into close contact with the object to be attached, the dome shape is pressed, So that the pressure inside the dome becomes lower than the pressure outside the dome shape, thereby using the principle that the adhesion of the adsorption plate 20 is maintained on the object to be adhered.

However, at the time of applying the adsorption groove 30 to be described later, since the adsorption force can be provided by forming a vacuum inside the adsorption groove 30, the deformation of the adsorption plate 20 itself is not necessary. .

The lower edge of the attracting plate 20 may have various shapes such as a circle, an ellipse, and a (polygonal) shape. However, the entire bottom edge in contact with the object to be adhered may be deformed It is most preferable to have a circular shape in consideration of keeping the contact with the object to be attached.

The larger the size of the attracting plate 20 is, the larger the pressure difference between the inside and the outside of the attracting plate 20 is increased after the installation, and the size of the final adhering force may be increased.

The material of the adsorption plate 20 should be determined in consideration of the material to be adhered, but may be formed of the same material as the material to be adhered, but is not limited thereto. Particularly, when the attracting plate 20 is provided on the inner liner 2 inside the tire, it can be made of the same or similar material as the inner liner 2. [ For example, it may be composed of at least one homopolymer selected from the group consisting of ethylene-vinyl acetate copolymer (EVA), synthetic rubber, natural rubber and urethane, or a copolymer of these monomers. Of course, it is not excluded that other polymers or the like are formed. Further, it can be made of the same material as the cover housing 13 described above.

3, at least two suction plates 20 may be formed for one sensor module 10 (cover housing 13), through which the sensor module 10 (the cover housing 13) ) Can be increased with respect to the inner surface of the tire. The intervals between the two or more suction plates 20 may be determined in consideration of the size of the sensor module 10 (cover housing 13) and the like.

In addition, a structure may be additionally provided on the part of the adsorption plate 20 to implement a function of releasing the contact state of a part of the bottom edge of the adsorption plate 20 with the inner surface of the tire to stop the adsorption of the adsorption plate 20 as a whole . This can be called an ejector. The ejector may be formed by forming a protrusion 91 having a predetermined shape on a part of the attracting plate 20, but the present invention is not limited thereto.

2, the suction groove 30 is a component for the purpose of increasing the attraction force of the suction plate 20 with respect to the inner surface of the tire. Generally, the adsorption plate 20 discharges the air inside the adsorption plate 20 through the deformation of the adsorption plate 20 and secures the adhesion with the target object by using the difference in air pressure inside and outside the adsorption plate 20. However, In order to increase the adhesiveness, the size of the attracting plate 20 must be increased, and as a result, the center of gravity of the sensor module 10 is increased. As a result, the rotation moment of the sensor module 10 due to the impact force acting on the tire or other external force becomes large, and the adhesion between the sensor module 10 (cover housing 13) and the inner surface of the tire is destroyed Or the degree of attachment thereof may be lowered.

The inner space of the suction plate 20 and the space of the suction groove 30 may be formed at a lower portion of the adsorption plate 20, When the inside of the suction groove 30 is vacuum-formed, the inside of the suction plate 20 is also vacuum-formed, so that the adhesive force due to the difference in the inner and outer air pressures is provided. This eliminates the need for the suction plate 20 to be deformed in order to vacuum the interior of the suction plate 20 and eliminates the variation in the installation state (posture) of the sensor module 10 due to the deformation variation of the suction plate 20 The additional benefit of being able to obtain.

The adsorption groove 30 is formed in a space defined by a space in which a vacuum is formed and a top surface where a bottom edge of the adsorption plate 20 is seated and which is formed to extend from a groove portion inlet portion and a groove portion inlet portion, An inner liner 2 of a tire according to an embodiment, and, in another embodiment, an upper surface of an additional inner liner).

Since the suction groove 30 is formed at the installation point of the sensor module 10, the suction groove 30 may be formed on the side inner wall. Preferably, the suction groove 30 is formed on the horizontal plane (inner liner 2) As shown in FIG. Particularly, a method of forming the adsorption groove 30 in the inner liner 2 will be described later.

The shape of the adsorption groove 30 may be various shapes such as a circle, an ellipse, and a polygon, but it is needless to say that the shape of the adsorption groove 30 should be determined according to the shape of the adsorption plate 20 to be installed on the upper side.

The size of the adsorption groove 30 can be expressed by the depth and the area. When the adsorption groove 30 is formed in the inner liner 2, the depth of the adsorption groove 30 can be determined within a range of 20 to 40 percent of the thickness of the inner liner 2. [ When the thickness of the inner liner 2 of the 16-inch passenger tire is formed to be 1.5 mm or less, when the thickness is less than 20%, the depth of the adsorption groove 30 becomes too small, The inner liner 2 is too thin, or the mass increase of the portion is negligible after attachment or attachment of the additional inner liner 3 described later It should be noted that a centrifugal force that is not uniformized locally occurs, which may cause problems such as causing uneven wear of the tire.

The area of the suction groove 30 should be selected within a range of 80 to 400 percent of the bottom area of the sensor module 10 (or the cover housing 13). When the area of the adsorption groove 30 is determined to be less than 80 percent of the area under the sensor module 10, the bottom edge of the adsorption plate 20 invades the inside of the inlet interface of the adsorption groove 30, There is a risk that the sensor module 10 will be detached from the sensor mounting point, and if the sensor module 10 is set to exceed 400 percent, the size of the attracting plate 20 becomes excessively large.

Hereinafter, a method of manufacturing the adsorption groove 30 will be described.

≪ Embodiment 1 - Excavation method >

There is an advantage that the additional liner described later is not required as a method of forming the adsorption groove 30 by removing the shape of the adsorption groove 30 with respect to the inner liner 2, The depth of the adsorption grooves 30 is set to 20 to 40 percent of the thickness of the inner liner 2 in the case where the grooved grooves 30 are formed in the inner liner 2, There is a possibility that the remaining thickness of the inner liner 2 becomes thin depending on the depth.

?

≪ Second Embodiment - Additional inner liner bonding method >

Referring to FIG. 3, in order to explain each step, first, an additional inner liner 3 is prepared. The additional inner liner 3 is preferably made of the same or similar material as the inner liner. The additional inner liner 3 can be prepared in the same area as the inner liner 2 attached thereto, but it can have an initial area of 120 to 150 percent of the area of the perforation area 4 described later. In the case of the former, it is possible to minimize the occurrence of local weight unbalance on the inner surface of the tire due to the presence of the adsorption groove 30. In the latter case, when the area of the additional inner liner 3 is set to less than 120% of the other area, the attachment area between the additional inner liner 3 and the inner liner 2 is small, There is a risk that the adhesion between the inner liner 2 is destroyed. If it is set to exceed 150%, a local weight unbalance exists on the inner surface of the tire, which may cause problems such as tire wear and vibration. .

Second, the additional inner liner 3 is pierced so that the additional inner liner 3 is provided with the puncture site 4 that reflects the shape of the suction groove 30. The perforation can be performed by applying a press process or the like, but is not limited thereto.

Third, the additional inner liner (3) punched in the second step is adhered to the inner liner (2) to prepare the adsorption groove (30). The inner surface of the piercing hole 4 of the additional inner liner 3 becomes the inner surface of the suction groove 30 and the surface of the inner liner 2 becomes the bottom surface of the suction groove 30. [ The type of adhesive, the amount used, the area of the welded portion, and the like should be determined in consideration of the possibility that the adhesive surface may be destroyed by vibration generated during operation of the tire, .

?

≪ Third Embodiment? Additional inner liner vulcanization method>

In this embodiment, the inner liner 3 is attached and vulcanized when the green tire 9 is manufactured. However, the possibility of deformation due to heat is small, the basic performance of the tire is not affected, There is an advantage that the adhesiveness can be secured even more when the additional inner liner 3 is used.

First, an additional inner liner 3 is prepared. The additional inner liner 3 is preferably made of the same or similar material as the inner liner. The additional inner liner 3 can be prepared in the same area as the inner liner 2 attached thereto, but it can have an initial area of 120 to 150 percent of the area of the perforation area 4 described later. In the case of the former, it is possible to minimize the occurrence of local weight unbalance on the inner surface of the tire due to the presence of the adsorption groove 30. In the latter case, when the area of the additional inner liner 3 is set to less than 120% of the other area, the attachment area between the additional inner liner 3 and the inner liner 2 is small, There is a risk that the adhesion between the inner liner 2 is destroyed. If it is set to exceed 150%, a local weight unbalance exists on the inner surface of the tire, which may cause problems such as tire wear and vibration. .

Second, the additional inner liner (3) is pierced, and the additional inner liner (3) has a piercing portion (4) reflecting the shape of the suction groove (30). The perforation can be performed by applying a press process or the like, but is not limited thereto.

Thirdly, the additional inner liner 3, which is formed in the second step, is attached to the inner liner 2 in a non-adhesive manner. Of course, it is not excluded that the additional inner liner 3 and the inner liner 2 perform the abutment on the smallest portion so that the mutual position can be determined.

Fourth, in the third step, the additional inner liner 3 and the entire inner liner 2 are vulcanized to manufacture the adsorption groove 30. Since the additional inner liner 3 is made of the same or similar material as the inner liner 2, the additional inner liner 3 and the inner liner 2 do not form an interface after the vulcanization process is completed, It is possible to further increase the durability.

?

≪ Fourth Embodiment? Special shape bladder application>

With reference to Fig. 5, this embodiment has the advantage that a general tire can be used as it is, and additional components such as additional inner liner 3 are not required.

First, a green tire 9 provided with an inner liner 2 is prepared, and secondly, a green tire 9 is mounted on a vulcanizing die. Third, a bladder (90) (bladder) having a protruding portion (91) having a predetermined shape is used to vulcanize while applying pressure to the surface of the inner liner (2). At this time, the projecting portion 91 has a reverse shape of the shape of the suction groove 30. That is, the projecting portion 91 is prepared in an embossed state and the adsorption groove 30 is formed with a depressed shape. Since the shape of the adsorption groove portion 30 is reflected in the brader 90 itself, It is possible to minimize the local imbalance of the pressure applied to the gasket.

Hereinafter, a method of using the tire sensor installation structure of the present invention will be described.

First, the sensor module 10 to which the attracting plate 20 is coupled is prepared. As described above, the sensor module 10 can be mounted inside the cover housing 13. Also, the cover housing 13 and the suction plate 20 may be separately manufactured and combined or integrally molded from the beginning.

Second, the attracting plate 20 is positioned so that the upper portion of the attracting groove 30 is completely covered. The bottom edge of the suction groove 30 and the suction plate 20 are arranged to be located at similar intervals in all parts if possible. This minimizes the possibility that a part of the bottom edge of the suction plate (20) invades the entrance edge of the suction groove (30) to break the internal vacuum.

Third, a vacuum is formed in the adsorption groove 30. Vacuum formation may be performed by disposing a separate piping in an internal space of the vacuum decompression vacuum pump and the absorption grooves 30, but it may be considered to perform the vacuum formation in the vacuum chamber from the first step. In addition, it is also possible to apply a downward pressure to the adsorption plate 20 to cause deformation of the adsorption plate 20, thereby allowing the air inside the adsorption plate 20 to flow out to provide additional adsorption force. However, Since the vacuum is formed in the suction grooves 30 when the vacuum is formed in the suction grooves 30, a vacuum is formed in the suction spaces of the suction plates 20. Therefore, not.

The tire sensor installation structure of the present invention may have only one tire sensor installation structure, but a plurality of tire sensor installation structures may be provided. Generally, the state information of the tire collected through the tire, such as the lateral force acting on the inner surface of the tire and the acceleration, varies depending on the lateral position of the tire. Therefore, when a plurality of tire sensor installation structures are provided, The installation structure is preferably arranged on a circumference connecting one transverse position, but is not limited thereto. In addition, in a case where a plurality of tire sensor mounting structures are provided, it is preferable that each of the tire sensor mounting structures forms an equiangular interval with each other. This is because the tire sensor mounting structure has a rotation moment of inertia This is because the asymmetrically installed tire installation structure can prevent the balance of the tire from being ensured. When two tire mounting structures are applied, 180 degrees may be formed to each other, and when three tire mounting structures are applied, 120 degrees may be formed. However, if a plurality of tire mounting structures are identical to each other And even if a plurality of tire installation structures are identical to each other, they are not necessarily arranged at equal intervals.

The description sets forth the best mode of the invention, and is provided to illustrate the invention and to enable those skilled in the art to make and use the invention. The written description is not intended to limit the invention to the specific terminology presented.

Thus, while the present invention has been described in detail with reference to the above examples, those skilled in the art will be able to make adaptations, modifications, and variations on these examples without departing from the scope of the present invention. In other words, in order to attain the intended effect of the present invention, all the functions shown in the drawings are separately included or all the steps shown in the drawings are not necessarily followed in the order shown, and the technical scope of the present invention In the following description.

1: Tire
2: Inner liner
3: Additional inner liner
4: piercing site
9: Green tire
10: Sensor module
11: Sensor element
12: substrate
13: Cover housing
20: Suction plate
30:
90: bladder
91:

Claims (21)

A sensor installation structure for installing a sensor module for collecting a state of a tire on an inner surface of a tire,
One or more adsorption plates each having a function of attaching the sensor module to the inner surface of the tire;
A suction groove formed in a predetermined portion of the inner surface of the tire and having the suction plate installed to cover the inlet;
, ≪ / RTI >
And the attraction groove increases the attraction force of the attraction plate against the inner surface of the tire. The method according to claim 1,
Wherein the suction groove has a vacuum formed therein when the suction plate is installed on the upper portion. The method according to claim 1,
Wherein the suction groove is formed on an inner liner of the tire. The method of claim 3,
And the depth of the suction groove portion is 20 to 40 percent of the thickness of the inner liner.
The method of claim 3,
Wherein an area of the suction groove is 80 to 400 percent of a bottom area of the sensor module.
The method according to claim 1,
Wherein the sensor module further includes a cover housing for receiving the sensor module therein to protect the sensor module, and a cover housing coupled to a portion of the absorption plate.
The method of claim 6,
Wherein the cover housing is made of at least one homopolymer selected from the group consisting of ethylene-vinyl acetate copolymer (EVA), synthetic rubber, natural rubber and urethane, or a copolymer of these monomers.
The method according to claim 1,
Wherein the adsorption plate is made of a copolymer of at least one homopolymer selected from the group consisting of ethylene-vinyl acetate (EVA), synthetic rubber, natural rubber and urethane, or a copolymer of these monomers. The method of claim 6,
Wherein the coupling between the cover housing and the adsorption plate is performed by one of an adhesion process, a deposition process, and a vulcanization process. The method of claim 6,
Wherein the cover housing and the suction plate are integrally formed. The method of claim 10,
Wherein the integral molding of the cover housing and the suction plate is performed by an injection process or a molding process. A manufacturing method of a suction groove for a tire sensor installation structure according to claim 1,
Forming a suction groove portion by removing the shape of the suction groove portion with respect to the inner liner;
Wherein the tire sensor mounting structure comprises:
A manufacturing method of a suction groove for a tire sensor installation structure according to claim 1,
(i) preparing an additional inner liner;
(ii) puncturing the additional inner liner, wherein the additional inner liner has a puncture site that reflects the shape of the adsorption concave portion;
(iii) bonding the additional inner liner formed in the step (ii) to the inner liner to manufacture the adsorption groove;
Wherein the step of attaching the tire comprises the steps of:
A manufacturing method of a suction groove for a tire sensor installation structure according to claim 1,
(a) preparing an additional inner liner;
(b) puncturing the additional inner liner, wherein the additional inner liner has a puncture site that reflects the shape of the adsorption concave portion;
(c) attaching the additional inner liner perforated in the step (b) to the inner liner in a non-adhesive manner;
(d) cascading the additional inner liner and the entire inner liner, which are mutually padded in step (c), to manufacture the adsorption groove;
Wherein the step of attaching the tire comprises the steps of:
The method according to claim 13 or 14,
And the additional inner liner has the same area as that of the inner liner.
The method according to claim 13 or 14,
Wherein the additional inner liner has an initial area of 120 to 150 percent of the area of the piercing site.
A manufacturing method of a suction groove for a tire sensor installation structure according to claim 1,
(A) preparing a green tire provided with an inner liner;
(B) attaching the green tire to a vulcanizer mold;
(C) vulcanizing while applying pressure to the surface of the inner liner using a bladder having protrusions having a predetermined shape;
, ≪ / RTI >
Wherein the projecting portion has a shape reverse to the shape of the suction groove.
A method of using a tire sensor mounting structure according to claim 1,
(I) preparing a sensor module to which the adsorption plate is coupled;
(II) positioning the adsorption plate such that the upper portion of the adsorption concave portion is completely covered;
(III) forming a vacuum inside the groove for adsorption;
Wherein the tire is mounted on the vehicle body.
19. The method of claim 18,
Wherein the vacuum in the step (III) is formed by using a vacuum chamber.
A tire having the tire sensor installation structure according to any one of claims 1 to 12. The method of claim 20,
A tire having at least two tire sensor installation structures.
KR1020150159851A 2015-11-13 2015-11-13 A tire sensor installing structure comprising a vaccum suction plate and chamber KR101781697B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
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US11613146B2 (en) 2017-11-30 2023-03-28 Hankook Tire Co., Ltd. Container structure for attaching sensors to tires and method of manufacturing tire container structure

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Publication number Priority date Publication date Assignee Title
KR200489733Y1 (en) 2017-11-30 2019-07-29 한국타이어앤테크놀로지 주식회사 Tire having combination for sensor
KR101925775B1 (en) * 2017-11-30 2018-12-06 한국타이어 주식회사 Container structure for attaching sensors to tires
KR102536159B1 (en) * 2021-04-16 2023-05-26 넥센타이어 주식회사 Sound absorbing material attachment unit and tire comprising the same

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JP2007331293A (en) * 2006-06-16 2007-12-27 Bridgestone Corp Manufacturing method of pneumatic tire

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11613146B2 (en) 2017-11-30 2023-03-28 Hankook Tire Co., Ltd. Container structure for attaching sensors to tires and method of manufacturing tire container structure

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