JP2010049893A - Attaching arrangement of carbon lamp heater, heater unit, and heating cooker equipped with the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an attaching arrangement of a carbon lamp heater, along with a heater unit which is the attaching arrangement equipped with a heater and a heating cooker equipped with the heater unit, for easy attaching of a carbon lamp heater and for sure connection between a heater wire and an external power supply circuit. <P>SOLUTION: The present invention relates to the attaching arrangement 12 of the carbon lamp heater 11 where an insulator 9 is provided to the end part of a glass tube 8 and a heater terminal 10 is protruded from the insulator 9. The attaching arrangement 12 of the carbon lamp heater 11 is characterized in that a connection receptacle 19 for electrically connecting to the heater terminal 10 is provided on the body side of the attaching arrangement 12, and the connection receptacle 19 comprises a receiving part 23 where a connection hole 22 in which the heater terminal 10 is inserted is formed, a receiving terminal 24 provided to the connection hole 22, and a holding means 25 for holding, by clamping, the heater terminal 10 in the receiving terminal 24. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention is a mounting device for electrically connecting a heater terminal of a heater used as a heating source of an electric device such as a heating cooker or a heat-retaining device to the electric device, and the heater is set in the mounting device. The present invention relates to a heater unit and a heating cooker further provided with a heater unit.

A carbon lamp heater has a structure in which a heating element made of a carbon-based material is enclosed in a quartz glass tube, and a heater wire led out of the glass tube from the end of the heating element is connected to an external power supply circuit to supply power to the heating element. Is supplied. The connection is made by pulling out the lead wire from the end of the heater and connecting it to the external power supply circuit, and the heater terminal protruding from the end of the heater and fitting it to the plug terminal of the power supply circuit There is a socket type (see Patent Document 1).
JP 2008-98135 A

  However, in the case of the lead wire type, the replacement work of the heater becomes troublesome during maintenance of the carbon lamp heater. In the case of socket type, the terminal rod is connected to the external power supply circuit by inserting it into the hole of the plug, so it is easy to replace the heater during maintenance. There is a possibility of loosening of the terminal rod and loosening of the terminal rod, which may cause wobbling of the terminal rod.

  In view of the above, the present invention provides a carbon lamp heater mounting device that can easily connect a carbon lamp heater and can reliably connect a heater wire and an external power supply circuit, and a heater unit in which the heater is set in the mounting device. And it aims at provision of the heating cooker provided with the heater unit.

  In order to achieve the above object, the present invention provides a carbon lamp heater mounting device in which an insulator is provided at an end of a glass tube and a heater terminal protrudes from the insulator, and the heater terminal and the electric A connection receptacle is provided, and the connection receptacle includes a receiving portion in which a connection hole into which the heater terminal can be inserted is formed, a receiving terminal provided in the connection hole, and a pressure between the heater terminal and the receiving terminal. An apparatus for attaching a carbon lamp heater, comprising a holding means for holding.

  By inserting the heater terminal into the connection hole of the receiving portion, bringing the heater terminal into contact with the receiving terminal in the connection hole, and holding the pressure with the holding means, the heater terminal and the receiving terminal can be reliably connected. . Further, since work such as welding is not necessary, connection work is easy.

  The holding means is configured such that the receiving portion including the connection hole is divided into a plurality of divided receiving portions, the connection hole is configured to be expandable / contractable, and a tightening portion for tightening the connection hole to the reduced diameter side is provided. Can do.

  Further, as the tightening portion, means for pressing the divided receiving portion from the back side to the connection hole diameter reducing side, specifically, a screw can be provided.

  The carbon lamp heater may be provided with a heater terminal on both ends of the glass tube, or may be a one-sided terminal connection type in which a pair of heater terminals is provided on one end of the glass tube and the other end of the glass tube is sealed. . In the case of the one-side terminal connection type, the other end sealing portion of the glass tube may be engaged and placed on the receiving tool.

  The carbon lamp heater is not limited to this, but includes a glass tube having an inner / outer double structure including an inner glass tube and an outer glass tube, a heating element disposed in the inner glass tube, and a heating element. And a reflection plate that reflects heat generated from the heating element, and the reflection plate is electrically connected to the heating element so as to form part of a power supply circuit to the heating element. can do.

  Thus, a heater unit comprising a carbon lamp heater in which an insulator is provided at the end of the glass tube and the heater terminal protrudes from the insulator, and a mounting device that electrically connects the heater terminal to an external power supply circuit, It can be incorporated into an electric device such as a heating cooker.

  As described above, according to the present invention, the heater terminal is inserted into the connection hole of the receiving part, the heater terminal and the receiving terminal in the connection hole are brought into contact with each other, and held by the holding means. Work is not required and connection work is easy. In addition, by holding and holding by the holding means, the heater terminal and the receiving terminal can be reliably connected.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view of a heating cooker according to the present invention, FIG. 2 is an exploded perspective view of the heating cooker, FIG. 3 is a view showing a heater unit according to the present invention, and FIG. b) is an exploded perspective view, FIG. 4 is a view showing a carbon lamp heater according to the present invention, (a) is a plan view, (b) is a side view, (c) is a left side view, and FIG. It is a figure which shows the connection receptacle which concerns on invention, Comprising: (a) is a top view, (b) is a front view.

  As shown in FIGS. 1 and 2, the heating cooker 1 in the present embodiment is a box-shaped housing 2 having an upper surface opened, and a receiving plate 3 that is placed on the upper surface opening of the housing 2 and has an opening 3 a. A heating body 4 such as a heating plate or a heating pan that is detachably mounted in the opening 3a of the receiving plate 3, a heater unit support portion 5 that is formed in the housing 2 and supports the heater unit 6, and heating means A plurality of heater units 6, a drain pan 7 arranged below the heater unit 6 and freely drawable from the front surface of the housing 2, and an operation unit (not shown) provided below the drain pan 7. I have.

  The heating body 4 includes a heating plate and a cooking pan. Examples of the heating plate include a takoyaki plate, a large-format plate, an okonomiyaki plate, a teppanyaki plate, a plate with a lid for cooking shumai and gyoza grill, a plate for cooking grilled rice balls, grilled salmon, and mitarashi. Examples of cooking pots include cooking pots for boiling noodles and oden pots for cooking and keeping oden. 1 and 2 illustrate a takoyaki plate 4.

  The heater unit support portion 5 is formed in a long plate shape, and is provided between the left and right side walls 2 a at an upper position inside the housing 2. A pair of heater unit support portions 5 are provided on the front and rear sides of the housing 2 to support both ends of the heater unit 6.

  The heater unit 6 is provided horizontally across the front and rear heater unit support portions 5 and is arranged in a plurality in the left-right direction. As shown in FIG. 3, the heater unit 6 includes an insulator 9 provided at the end of a transparent glass tube 8, and a carbon lamp heater 11 in which a heater terminal 10 protrudes from the insulator 9 and the heater terminal 10. And an attachment device 12 that is electrically connected to the device.

  As shown in FIG. 4, the carbon lamp heater 11 includes a pair of heater terminals 10 protruding from the insulator 9 on one end side of the glass tube 8, and a one-side terminal connection type in which the other end side of the glass tube 8 is sealed. It is. Specifically, the carbon lamp heater 11 has a glass tube 8 having an inner / outer double structure composed of an inner glass tube 8a and an outer glass tube 8b, and a carbon system having a high far-infrared emissivity in the inner glass tube 8a. A long thin plate-shaped heating element 13 made of a material is enclosed. Both ends of the heating element 13 are sandwiched between the connection fittings 14 and lead wires 15 are drawn from the connection fitting 14 to the outside of the inner glass tube 8a. In addition, a conductive reflector 16 is provided along the heating element 13 between the inner glass tube 8a and the outer glass tube 8b. The reflection plate 16 is disposed on one side of the heating element 13 and reflects radiant heat from the heating element 13.

  Of the lead wires 15 drawn from the heating element 13, the lead wire 15 on the insulator side is connected to the heater terminal 10. The lead wire 15 on the sealing side is connected to the end portion on the sealing side of the reflection plate 16 via another lead wire 17. Then, another lead wire 18 is connected to the end of the reflector 16 on the insulator side, and further connected to the heater terminal 10. As described above, the reflecting plate 16 and the heating element 13 are electrically connected so that the reflecting plate 16 forms a part of a power supply circuit to the heating element 13.

  As shown in FIG. 3, the mounting device 12 includes a connection receiver 19 that is electrically connected to the heater terminal 10 and a receiver with a receiving recess 20 a on which the other end sealing portion 11 a of the glass tube 8 is placed. The tool 20 is provided. The connection receiver 19 is fixed to the rear heater unit support 5 and the receiver 20 is fixed to the front heater unit support 5. Note that the attachment positions of the connection receiver 19 and the receiver 20 may be reversed.

  As shown in FIGS. 3 and 5, the connection receiver 19 is connected to a metal case 21, a receiving portion 23 that is housed in the case 21 and has a connection hole 22 into which the heater terminal 10 can be inserted. A receiving terminal 24 provided in the hole 22 and a holding means 25 for holding and holding the heater terminal 10 in the terminal 24 are provided. The receiving terminal 24 is connected to an electrode (not shown) of the main body of the heating cooker 1.

  The case 21 includes an upper case 26 and a lower case 27 having a U-shaped cross section, and the upper case 26 is fitted on the lower case 27 so that the concave sides face each other. The upper case 26 includes a top plate 26a and left and right side plates 26b. A screw hole is provided in the top plate 27a, and a screw groove is formed on the inner wall surface thereof. The lower case 27 includes a bottom plate 27a and left and right side plates 27b. The bottom plate 27a extends rearward, and a fixing hole is provided in the extended portion. The fixing hole is used to fix the heater unit support portion 5 with screws 28.

  The receiving part 23 is made of an insulator and has a rectangular parallelepiped shape. The receiving part 23 is divided into upper and lower parts with an intermediate position of the connection hole 22 as a boundary to form an upper divided receiving part 23a and a lower divided receiving part 23b. That is, a part of the connection hole 22 is formed on each facing surface of the upper division receiving portion 23a and the lower division receiving portion 23b. By adjusting the distance between the upper division receiving portion 23a and the lower division receiving portion 23b, the connection hole 22 is configured to be expandable / contractable.

  The receiving terminal 24 is vertically divided, the upper receiving terminal 24a is fixed to the connection hole 22 of the upper divided receiving portion 23a, and the lower receiving terminal 24b is fixed to the connecting hole 22 of the lower divided receiving portion 23b. Further, the receiving terminal has a spring property, so that the heater terminal 10 can be held more reliably. In addition, although the receiving part 23 was divided | segmented up and down on the boundary of the connection hole 22, it is not limited to this, You may make it divide | segment into right and left. In accordance with this, the receiving terminal 24 may be divided into left and right.

  The holding means 25 has a tightening portion 29 that tightens the connection hole 22 to the reduced diameter side. As the tightening portion 29, a screw 29a that presses the upper division receiving portion 23a from the back side (upper side) to the connection hole 22 reduced diameter side (lower side), and a pressing plate placed on the upper surface of the upper division receiving portion 23a 29b. The screw 29 a is screwed into the screw hole of the upper case 26. By moving the screw 29a forward, the upper division receiving portion 23a is pressed toward the lower division receiving portion 23b via the pressing plate 29b. By advancing the pressing, the diameter of the connection hole 22 can be reduced. On the other hand, the diameter of the connection hole 22 can be increased by loosening the screw 29a.

  As shown in FIG. 3, the receiving device 20 has a receiving recess 20 a at the upper end, and can place the other end sealing portion 11 a of the carbon lamp heater 11. In addition, it is not limited to this, A hole may be formed instead of a recessed part, and you may make it insert and hold | maintain the other end sealing part 11a of the carbon lamp heater 11 there.

  In the above configuration, when the carbon lamp heater 11 is mounted in the housing 2, the other end sealing portion 11a is placed in the recess 20a of the receiving device, and the heater terminal 10 of the carbon lamp heater 11 is connected to the receiving portion. Insert into hole 22. Then, by tightening the screw 29a and moving it upward, the upper division receiving portion 23a is pressed toward the lower division receiving portion 23b via the holding plate 29b, the diameter of the connection hole 22 is reduced, and the heater terminal 10 is reduced. The receiving terminal 24 can be held with an appropriate pressure.

  Further, when removing the carbon lamp heater 11, the screw 29a is loosened and moved backward to loosen the pressure of the upper division receiving portion 23a toward the lower division receiving portion 23b, and the connection hole 22 is expanded in diameter. What is necessary is just to extract the heater terminal 10 from 22.

  Thus, since the carbon lamp heater 11 can be easily attached and detached only by the operation of the screw 29a, even a person who does not have a specialized technique can easily incorporate it into the heating cooker 1. In addition, since the heater terminal 10 is clamped and held on the receiving terminal 24 while adjusting the clamping force by operating the screw 29a, the connection stability is high.

  In addition, this invention is not limited to the said embodiment, Of course, many correction changes can be added within the scope of the present invention. For example, in the above embodiment, the heater unit 6 is provided on the lower side of the heating body 4 and the heating body 4 is heated from below, but the heater unit 6 may be provided on the upper side of the heating body 4. In that case, the heater unit 6 may be installed by rotating 180 °.

  Moreover, in the said embodiment, although the one side terminal connection type carbon lamp heater was used, you may use the carbon lamp heater provided with the heater terminal at the both ends of a glass tube. In that case, the attachment device 12 may be configured such that the connection receptacles 19 that are electrically connected to the heater terminals 10 are provided at both ends of the glass tube 8 and the receptacles 20 are omitted.

The perspective view of the heating cooker which concerns on this invention Similarly, an exploded perspective view of a heating cooker It is a figure which shows the heater unit which concerns on this invention, Comprising: (a) is a perspective view, (b) is a disassembled perspective view. It is a figure which shows the carbon lamp heater which concerns on this invention, Comprising: (a) is a top view, (b) is a side view, (c) is a left view. It is a figure which shows the connection receptacle which concerns on this invention, Comprising: (a) is a top view, (b) is a front view.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Heating cooker 2 Case 3 Base plate 4 Heating body 5 Heater unit support part 6 Heater unit 7 Drain pan 8 Glass tube 8a Inner glass tube 8b Outer glass tube 9 Insulator 10 Heater terminal 11 Carbon lamp heater 11a The other end sealing part DESCRIPTION OF SYMBOLS 12 Mounting apparatus 13 Heating element 16 Reflector 19 Connection receiving member 20 Receiving member 21 Case 22 Connection hole 23 Receiving portion 23a Upper division receiving portion 23b Lower division receiving portion 24 Receiving terminal 25 Holding means 26 Upper case 27 Lower case 28 Screw 29 Tightening Appendix

Claims (7)

In the carbon lamp heater mounting device in which an insulator is provided at the end of the glass tube, and the heater terminal protrudes from the insulator, a connection receptacle that is electrically connected to the heater terminal is provided on the main body side of the mounting device. And
The connection receiver includes a receiving portion in which a connection hole into which a heater terminal can be inserted is formed, a receiving terminal provided in the connection hole, and a holding unit that holds the heater terminal by pressure. A carbon lamp heater mounting device characterized by the above. The holding means includes a receiving portion including the connection hole that is divided into a plurality of divided receiving portions, the connection hole is configured to be expandable and contractable, and a tightening portion that tightens the connection hole to the reduced diameter side is provided. The carbon lamp heater mounting device according to claim 1. 3. The carbon lamp heater mounting device according to claim 2, wherein the tightening portion is provided with a screw that presses the split receiving portion from the back side to the connection hole diameter reducing side. The carbon lamp heater has a pair of heater terminals on one end side of a glass tube and is a one-sided terminal connection type in which the other end side of the glass tube is sealed, and the other end sealing portion of the glass tube serves as a receiving tool. The carbon lamp heater mounting device according to any one of claims 1 to 3, wherein the mounting device is engaged. The carbon lamp heater includes a glass tube having an inner and outer double structure composed of an inner glass tube and an outer glass tube, a heating element disposed in the inner glass tube, and a heating element disposed on one side along the heating element. 5. A reflection plate that reflects heat generated from the heating element, and the reflection plate is electrically connected to the heating element so as to form part of a power supply circuit to the heating element. The carbon lamp heater mounting device according to any one of the above. An insulator is provided at an end of the glass tube, and a carbon lamp heater in which a heater terminal protrudes from the insulator, and the heater terminal is electrically connected to an external power supply circuit. A heater unit comprising an attachment device. A heating cooker comprising the heater unit according to claim 6.

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