KR101634187B1 - Slip ring apparatus having wireless transmitting function for hitting roll - Google Patents

Slip ring apparatus having wireless transmitting function for hitting roll Download PDF

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Publication number
KR101634187B1
KR101634187B1 KR1020150089159A KR20150089159A KR101634187B1 KR 101634187 B1 KR101634187 B1 KR 101634187B1 KR 1020150089159 A KR1020150089159 A KR 1020150089159A KR 20150089159 A KR20150089159 A KR 20150089159A KR 101634187 B1 KR101634187 B1 KR 101634187B1
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KR
South Korea
Prior art keywords
heating roll
slip ring
supporting shaft
temperature
casing
Prior art date
Application number
KR1020150089159A
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Korean (ko)
Inventor
남후일
최한고
Original Assignee
금오공과대학교 산학협력단
남후일
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Application filed by 금오공과대학교 산학협력단, 남후일 filed Critical 금오공과대학교 산학협력단
Priority to KR1020150089159A priority Critical patent/KR101634187B1/en
Application granted granted Critical
Publication of KR101634187B1 publication Critical patent/KR101634187B1/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R39/00—Rotary current collectors, distributors or interrupters
    • H01R39/02—Details for dynamo electric machines
    • H01R39/18—Contacts for co-operation with commutator or slip-ring, e.g. contact brush
    • H01R39/28—Roller contacts; Ball contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R39/00—Rotary current collectors, distributors or interrupters
    • H01R39/64—Devices for uninterrupted current collection
    • H01R39/643—Devices for uninterrupted current collection through ball or roller bearing

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  • Control Of Resistance Heating (AREA)

Abstract

Disclosed is a slip ring device of a heating roll having a wireless transmission and reception function. The present invention relates to the slip ring device of a heating roll having a wireless transmission and reception function capable of stably transferring small signal temperature data of a rotating heating roll. The slip ring device of a heating roll having a wireless transmission and reception function according to the present invention is a slip ring device of a heating roll for supplying a power source to the rotating heating roll. The slip ring device of a heating roll comprises: an insulator supporting shaft which is formed in a hollow shape such that a power source line penetrates therein, and supports the heating roll; a pair of inner rings which are inserted into and fixed on an outer surface of the supporting shaft; bearings which are inserted into the outer surfaces of the inner rings, respectively; outer rings which are inserted into the outer surfaces of the bearings, respectively, and rotated along with the heating roll; an inner source line which penetrates the hollow portion of the supporting shaft, and then penetrates a through hole penetrating the surface of the supporting shaft, and is electrically connected with the inner ring; an outer source line whose one end is electrically connected with the outer ring while the other end thereof extends to the heating roll; a cylindrical insulator casing which is rotated along with the heating roll, wherein the outer rings are inserted into and fixed on an inner portion of the cylindrical insulator casing; a temperature sensor to which the power source supplied by the inner source line and the outer source line is supplied, wherein the temperature sensor detects a temperature of the heating roll by using the power source; and a microcomputer control unit including a wireless transceiver which is connected with the inner power source line and the outer power source line within the casing, receives the power source, and transmits or receives the temperature data detected by the temperature sensor wirelessly. According to the present invention, since the power source is supplied into the heating roll by using two bearings, a structure of the slip ring can be simplified and the slip ring can be manufactured easily.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a slip ring apparatus having a wireless transmitting /

[0001] The present invention relates to a slip ring apparatus for a heating roll having a wireless transmission / reception function, and more particularly, to a slip ring apparatus for a slip ring of a heating roll having a wireless transmission / reception function for stably transmitting small- ≪ / RTI >

Generally, the slip ring refers to a contact that is attached to the rotor shaft to allow current to flow from the outside to the rotor of a motor or a motor, but usually refers to a mechanical component for supplying power to a rotating object. That is, a mechanical part or a mechanical structure for smoothly supplying or receiving power without interrupting the wire when only one of the power supply side and the receiving side rotates. These slip rings are also called rotary joints.

The slip ring used to sense the temperature of the roll in a conventional heating roll was a copper brush. That is, the sensor provides a temperature signal required for measuring the temperature of the heating roll through the copper brush.

However, since the slip ring using the conventional brush according to the prior art has a configuration in which the brush is always in contact with the rotating part to transmit the temperature signal, the temperature of the brush itself is increased due to the rise of the heating roll temperature, It is impossible to control the temperature accurately because the temperature data of the change in resistance is increased more than the actual data.

In addition, there is a problem that abrasion occurs due to thermal friction, which adversely affects noise and other environments.

Conventionally, a slip ring for mercury is used as a slip ring for sensing the temperature of a roll in a heating roll. The slip ring for mercury is a system in which temperature signals are supplied using liquid mercury.

However, the conventional slip ring for mercury is very vulnerable to the heat transfer signal due to ambient temperature, which causes a problem in the temperature sensing of the heating roll and disadvantage that high current can not be passed, and mercury is used. There was a problem.

In other words, slip ring system is used to transmit small signal data (vision image data, color data, micro current, voltage analog data) in rotating equipment. A load phenomenon occurred.

Published Patent 2007-0101928

An object of the present invention is to solve such a problem by providing a pair of bearings on a supporting shaft, supplying control power through a bearing, detecting a temperature from a temperature sensor, To thereby provide a slip ring apparatus for a heating roll.

In order to accomplish the above object, the present invention provides a slip ring apparatus for a heating roll for supplying control power into a rotating heating roll, the apparatus comprising: An insulator supporting shaft; A pair of inner rings inserted and fixed to the outer surface of the supporting shaft; A bearing inserted into the outer surface of the inner ring, respectively; An outer ring inserted into the outer surface of the bearing and rotated together with the heating roll; An inner power line electrically connected to the inner ring through a through hole passing through a hollow of the supporting shaft and then passing through a surface of the supporting shaft; An outer power supply line having one end electrically connected to the outer ring and the other end extended to the heating roll; A cylindrical insulator casing inserted and fixed in the outer ring and rotating together with the heating roll; A temperature sensor to which the power supplied by the inner power line and the outer power line is supplied and which senses the temperature of the heating roll using the power; And a wireless transceiver connected to the inner power line and the outer power line on the inside of the casing and wirelessly transmitting and receiving temperature data sensed by the temperature sensor, the power being supplied to the inner power line and the outer power line.

Preferably, an outer end surface of the outer ring is formed with an end groove along the axial direction, and the outer power line passes through the end groove.

Preferably, a through hole of the supporting shaft is provided between the pair of inner rings.

Preferably, the micom controller includes: a temperature signal detector connected to the temperature sensor and detecting temperature data; And a wireless transceiver for transmitting temperature data detected by the temperature signal detecting unit wirelessly and receiving an external command signal.

Preferably, the microcomputer control unit is installed in an electric box provided inside the casing.

Preferably, a heat insulating material is provided at a portion of the casing connected to the heating roll.

Preferably, the casing is provided with a plurality of fastening holes, a fastening hole is formed at a position corresponding to the outer ring, and the fastening bolt is fastened to the fastening hole, thereby fixing the outer ring to the casing.

Preferably, the supporting shaft is provided with a plurality of fastening holes, and a fastening hole is formed at a position corresponding to the inner ring, so that the fastening bolt is fastened to the fastening hole so that the inner ring is fixed to the supporting shaft do.

The present invention as described above has the following effects.

(1) Since the slip ring apparatus of the heating roll according to the present invention uses two bearings to supply power to the heating roll, the structure is simple and the manufacturing is very easy.

(2) The slip ring apparatus of the heating roll according to the present invention eliminates environmental pollution factors such as mercury and introduces a mechanical structure, thereby providing an environment-friendly device.

(3) The slip ring apparatus of the heating roll according to the present invention is less affected by temperature sensing even when the temperature of the heating roll is raised to a high temperature, thereby improving the accuracy of sensed temperature data.

(4) Since the slip ring apparatus of the heating roll according to the present invention transmits the temperature data collected by the temperature sensor to the outside via the wireless transceiver of the electric part, it is not necessary to produce a separate line for data extraction.

1 is a perspective view of a slip ring apparatus of a heating roll according to the present invention.
2 is an exploded perspective view of a slip ring apparatus of a heating roll according to the present invention.
3 is a partially cutaway perspective view of the slip ring apparatus of the heating roll according to the present invention.
4 is an enlarged detail view of part A shown in Fig.
5 is a partially cutaway perspective view of a slip ring apparatus of a heating roll according to the present invention.
6 is a longitudinal sectional view of the slip ring apparatus of the heating roll according to the present invention.

The objects, features and advantages of the present invention will become more apparent from the following detailed description. Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 to 6, a slip ring apparatus for a heating roll according to a first embodiment of the present invention includes a slip ring apparatus 1 for heating a heating roll 1 for supplying power into a rotating heating roll 1, (100).

The slip ring apparatus 100 of the heating roll according to the present invention includes the supporting shaft 140, the inner rings 123 and 133, the bearings 122 and 132, the outer rings 121 and 131, the inner power lines 20 and 30, 21 and 31, and a casing 101.

Referring to FIG. 1, a part of the heating roll 1 is shown. As described above, the heating roll 1 continues to work by pressing the synthetic resin sheet while rotating in a heated state at a predetermined temperature .

Since the heating roll 1 must be controlled within a certain temperature range by measuring an accurate surface temperature during production of the sheet, it always takes care. For this temperature control, measurement of the surface temperature of the heating roll 1 and transmission and reception of data are essential. The quality of the sheet produced by such temperature control is influenced.

In order to control the temperature of the heating roll 1, a temperature sensor is provided inside the surface of the heating roll 1, and temperature measurement is one of the most accurate methods for measuring the surface temperature. For this purpose, if a temperature sensor is provided inside the surface of the heating roll 1, a power supply must be supplied to the temperature sensor, and a slip ring structure for supplying power to the rotating component must be applied.

The slip ring apparatus 100 of the heating roll according to the present invention provides a configuration for supplying power to a temperature sensor rotating together with the heating roll 1. [

In FIG. 1, the heating roll 1 is connected to the slip ring apparatus 100 through a connecting pipe 10. Referring to FIG. 3, the connecting pipe 10 is manufactured such that the outer surface of the pipe body 12 is reduced in diameter in multiple stages. This is for the purpose of matching the diameter of the heating roll 1 with the casing 101 of the slip ring apparatus 100. The slip ring device 100 may be spaced a certain distance from the heating roll 1 through the connecting pipe 12 to be free from heat transfer to some extent. That is, the heat transferred from the heating roll 1 can be reduced to some extent. The connecting pipe 12 is fastened by a fastening bolt 13 in a state in which the insertion portion 11a is inserted into the end of the heating roll 1 and the fastening portion 11 is covered to seal the portion.

The supporting shaft 140 is hollow in order to allow the power supply lines 20 and 30 to pass therethrough and supports the heating roll 1 and is particularly an insulator. That is, electricity is made of nonconducting material. For example, a material such as synthetic resin may be applied, or an insulator coated with synthetic resin on the outer surface of stainless steel may be applied.

The supporting shaft 140 supports the heating roll 1, but does not rotate. Since the supporting shaft 140 has a hollow pipe shape, referring to FIG. 6, the inner power lines 20 and 30 can pass through the hollow.

A through hole 140a is formed in the supporting shaft 140 and a through hole 140a of the supporting shaft 140 is provided between the pair of inner rings 123 and 133.

Referring to FIG. 6, the pair of inner rings 123 and 133 is inserted and fixed to the outer surface of the supporting shaft 140.

The supporting shaft 140 has a plurality of fastening holes, and the inner rings 123 and 133 are provided with fastening holes for fastening the supporting rings 140 and 133 to the supporting rings 140 and 133, respectively. And the fixing bolts are fastened to the fastening holes so that the inner rings 123 and 133 are fixed to the supporting shaft 140.

Therefore, since the inner rings 123 and 133 are completely fixed to the supporting shaft 140, they do not rotate like the supporting shaft 140.

The bearings 122 and 132 are inserted into the outer surfaces of the inner rings 123 and 133, respectively. That is, the bearings 122 and 132 are inserted between the inner rings 123 and 133 and the outer rings 121 and 131, respectively.

The bearings 122 and 132 are constituted by inner and outer rings and a ball therebetween such as a normal ball bearing and inner rings 123 and 133 and outer rings 121 and 131 are in close contact with the inner and outer rings, And does not transmit the rotation of the heating roll 1 to the inner rings 122 and 132 and the supporting shaft 140.

The outer rings 121 and 131 are inserted into the outer surfaces of the bearings 122 and 132 and are rotated together with the heating roll 1. An end groove 121a is formed in an outer surface of the outer rings 121 and 131 along the axial direction and the outer power line 21 passes through the end groove 121a.

The outer rings 121 and 131 are fixed to the casing 101. The casing 101 has a plurality of fastening holes 101a and a fastening hole is formed at a position corresponding to the outer rings 121 and 131 And the fixing bolts 105 are fastened to the fastening holes so that the outer rings 121 and 131 are fixed to the casing 101. The two inner rings 123 and 133, the outer rings 121 and 131 and the bearings 122 and 132 are installed to form two bearing parts 120 and 130.

The structure in which the outer rings 121 and 131 are fixed to the casing 101 is similar to the structure in which the inner rings 123 and 133 are fixed to the supporting shaft 140 described above.

As a result, the heating roll 1, the casing 101, and the outer rings 121 and 131 rotate, and the inner rings 123 and 133 and the supporting shaft 140 do not rotate.

The inner power supply lines 20 and 30 pass through the hollow of the supporting shaft 140 and then pass through the through holes 140a passing through the surface of the supporting shaft 140 to be electrically connected to the inner rings 123 and 133 .

One end of the outer power lines 21 and 31 is electrically connected to the outer rings 121 and 131, and the other end is connected to the electrical box 110.

Therefore, the external power source is connected to the electric box 110 by the inner power lines 20 and 30 and the outer power lines 21 and 31 to supply electricity.

That is, electricity is transmitted to the inner rings 123 and 133 through the two inner power lines 20 and 30, and electricity is conducted to the outer rings 121 and 131 through the inner rings 123 and 133 and the bearings 122 and 132. Then, the power is transmitted to the electric box 110 through the outer rings 121 and 131 and the outer power lines 21 and 31.

The electric field box 110 is provided with various electric parts including a wireless transceiver. The electric box 110 is also connected to the temperature sensor of the heating roll 1 by a power supply line 40. That is, the power supplied from the inner power supply lines 20 and 30 and the outer power supply lines 21 and 31 supplies power to the temperature sensor for sensing the temperature of the heating roll 1. Of course, the power line 40 must be provided with a data line for receiving data.

The microcomputer control unit is connected to the temperature sensor to detect the temperature data. The microcomputer control unit 110 transmits the temperature data detected by the temperature signal detecting unit wirelessly, And a wireless transceiver for receiving the wireless transceiver.

Accordingly, the temperature data sensed by the temperature sensor is detected by the temperature signal detecting unit, and then transmitted to the outside through the wireless transceiver.

As a result, it is possible to overcome all the problems that occur when the temperature data flows through the wired line as in the conventional copper brush or mercury, and to continuously supply minute and accurate temperature data.

The casing 101 is a cylindrical insulator which is inserted and fixed in the outer rings 121 and 131 and rotates together with the heating roll 1. The casing 101 is fixed to the front end of the connecting pipe 10 by fastening bolts.

A heat insulating plate (102) is provided at a portion of the casing (101) connected to the heating roll (1). To block the heat transmitted to the electric field box 110. The heat insulating plates 102 and 103 may be installed before and after the front box 110 to increase the heat insulating property and prevent the heat transfer from being transmitted to the bearing portions 120 and 130.

A support plate 106 and a support ring 107 for supporting the supporting shaft 140 are provided on the opposite side of the heat insulating plate 102 of the casing 101.

The electric field box 110 is provided with a wireless transceiver for wirelessly transmitting and receiving temperature data sensed by the temperature sensor. Therefore, the temperature-related data collected by the temperature sensor is transmitted by the wireless transceiver and transmits information in real time. So that it is possible to have a feedback structure for controlling the temperature of the heating roll 1 based on this.

Various components may be applied to the wireless transceiver, for example, a Zigbee communication module.

6, the external power source passes through the inner shaft of the supporting shaft 140 and the through hole 140a through the inner power supply lines 20 and 30, Are supplied to the rings (123, 133). The power source is transmitted to the inner rings 123 and 133, the bearings 122 and 132, and the outer rings 121 and 131. Then, power is supplied to the electric box 110 through the outer power supply lines 21 and 31 to be transmitted.

The electric power transmitted to the electric box 110 is transmitted to the temperature sensor which is finally to be aimed along the power line 40 again.

The temperature sensor measures the surface temperature of the heating roll 1 in real time and transmits the measured data to the electric box 110 through a data line. The temperature data is transmitted by the transceiver.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the inventions. It will be apparent to those of ordinary skill in the art.

1: Heating roll
10: connecting pipe 20, 21, 30, 31, 40: power line
100: slip ring device 101: casing
102, 103: insulating plate 110: electric box
120, 1130: bearing part 121, 131: outer ring
122, 132: bearings 123, 133: inner ring
140: Supporting shaft

Claims (8)

A slip ring apparatus for a heating roll for supplying power to a rotating heating roll,
An insulator supporting shaft having a hollow shape for supporting the heating roll so that the power line can pass therethrough;
A pair of inner rings inserted and fixed to the outer surface of the supporting shaft;
A bearing inserted into the outer surface of the inner ring, respectively;
An outer ring inserted into the outer surface of the bearing and rotated together with the heating roll;
An inner power line electrically connected to the inner ring through a through hole passing through a hollow of the supporting shaft and then passing through a surface of the supporting shaft;
An outer power supply line having one end electrically connected to the outer ring and the other end extended to the heating roll;
A cylindrical insulator casing inserted and fixed in the outer ring and rotating together with the heating roll;
A temperature sensor to which the power supplied by the inner power line and the outer power line is supplied and which senses the temperature of the heating roll using the power; And
And a wireless transceiver connected to the inner power supply line and the outer power supply line inside the casing to receive power from the power supply and transmit and receive temperature data sensed by the temperature sensor wirelessly;
And a slip ring device for a heating roll having a wireless transmission / reception function. The method according to claim 1,
Wherein a longitudinal groove is formed in an outer surface of the outer ring along an axial direction of the outer ring, and the outer power line passes through the longitudinal groove. The method according to claim 1,
And a through hole of the supporting shaft is provided between the pair of inner rings. The method according to claim 1,
The microcomputer control unit,
A temperature signal detector connected to the temperature sensor and detecting temperature data;
A wireless transceiver for wirelessly transmitting the temperature data detected by the temperature signal detector and receiving an external command signal;
And a slip ring device for a heating roll having a wireless transmission / reception function. 5. The method of claim 4,
Wherein the microcomputer control unit is installed in an electric box provided inside the casing. The method according to claim 1,
Wherein a heat insulating material is provided at a portion of the casing connected to the heating roll. The method according to claim 1,
Wherein the casing has a plurality of fastening holes, a fastening hole is formed at a position corresponding to the outer ring, and the fastening bolt is fastened to the fastening hole to fix the outer ring to the casing. A slip ring device for a heating roll having a transmission / reception function. The method according to claim 1,
Wherein the supporting shaft is provided with a plurality of fastening holes, a fastening hole is formed at a position corresponding to the inner ring, and the fastening bolt is fastened to the fastening hole so that the inner ring is fixed to the supporting shaft And a slip ring device for a heating roll having a wireless transmission / reception function.
KR1020150089159A 2015-06-23 2015-06-23 Slip ring apparatus having wireless transmitting function for hitting roll KR101634187B1 (en)

Priority Applications (1)

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KR1020150089159A KR101634187B1 (en) 2015-06-23 2015-06-23 Slip ring apparatus having wireless transmitting function for hitting roll

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Application Number Priority Date Filing Date Title
KR1020150089159A KR101634187B1 (en) 2015-06-23 2015-06-23 Slip ring apparatus having wireless transmitting function for hitting roll

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113612091A (en) * 2021-08-02 2021-11-05 北京航空航天大学 Large-current sliding conductive device suitable for self-resistance heating hot stretch bending equipment

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11102494A (en) * 1997-09-26 1999-04-13 Dainippon Printing Co Ltd Rotary joint for measurement information of temperature sensing resistor
KR20070101928A (en) 2006-04-12 2007-10-18 강제원 Slip ring
JP2012014845A (en) * 2010-06-29 2012-01-19 Tokuden Co Ltd Induction heating roller device
KR101239193B1 (en) * 2010-11-30 2013-03-05 안성준 Bicycle bottom bracket capable of power generation

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11102494A (en) * 1997-09-26 1999-04-13 Dainippon Printing Co Ltd Rotary joint for measurement information of temperature sensing resistor
KR20070101928A (en) 2006-04-12 2007-10-18 강제원 Slip ring
JP2012014845A (en) * 2010-06-29 2012-01-19 Tokuden Co Ltd Induction heating roller device
KR101239193B1 (en) * 2010-11-30 2013-03-05 안성준 Bicycle bottom bracket capable of power generation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113612091A (en) * 2021-08-02 2021-11-05 北京航空航天大学 Large-current sliding conductive device suitable for self-resistance heating hot stretch bending equipment
CN113612091B (en) * 2021-08-02 2022-04-01 北京航空航天大学 Large-current sliding conductive device suitable for self-resistance heating hot stretch bending equipment

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