JP5501599B2 - Door operation handle - Google Patents

Description

  The present invention relates to a door operation handle.

  As a door operation handle in which an antenna for communication with the outside is housed, one described in Patent Document 1 is known. In this conventional example, the door operation handle is formed by covering the open surface of a handle (door operation handle) storing a printed board on which an antenna coil (antenna) is mounted with a cover.

  However, since the above-described conventional example mounts only the antenna coil with a fixed shape on the printed circuit board, there is no need to consider the fluctuation of the antenna, deformation during assembly, and the like. Although it has suitability for transmission / reception of medium waves, it has a problem in that the use frequency band is limited because the performance with respect to radio waves such as the UHF band is inferior. Incorporation of the communication means into the door operation handle is mainly for the purpose of obtaining an ID signal unique to the portable device possessed by the user, and furthermore, because the output from the portable device is frequently used in the UHF band, In order to use the above conventional example as a communication means for authentication of a portable device, it is necessary to arrange an antenna that has a high gain with respect to radio waves in a shorter frequency band such as the UHF band and can be downsized. However, when forming a small and inexpensive receiving antenna as a linear antenna such as a monopole antenna that is suitable for radio waves in the UHF band, the antenna shake and assembly operations that affect the antenna characteristics Consideration for preventing the occurrence of deformation at the time is necessary, and the assembly workability is lowered.

  This problem can be solved by accommodating the receiving antenna unit and the receiving unit in the antenna case as a unit as shown in Patent Document 2, but in this case, there are the following problems. That is, the above-described receiving unit of Patent Document 2 can be assembled with an antenna without requiring a special antenna mounting operation only by being fixed at a predetermined location, and by using the wall surface of the antenna case as an antenna holding surface. Although it has an advantage that the wobbling of the antenna can be prevented, the antenna is disposed along the inner wall of the antenna case, so that there is a drawback that the antenna length after assembly cannot be adjusted.

  In particular, the door handle has a large volume of the metal handle main body due to the strength requirement considering crime prevention. In order for the antenna located close to the metal handle main body, which is a conductor and serves as a ground plane, to exhibit the desired antenna performance, it is necessary to check and adjust the antenna performance in the mounted state. The invention described in Patent Document 2 that cannot be adjusted reduces the development and design efficiency. Furthermore, the same unit can be used for the door operation handle of another model in which the area and position of the metal handle main body are different. There is a problem that it is inferior in versatility because it cannot be done.

Furthermore, in the door operation handle, a technique for restricting communication with a portable device left indoors by using an LF wave, in which fine adjustment of the electric field strength is relatively easy, is frequently used for transmission to the portable device. In many cases, the antenna is used together with the antenna for LF transmission. As described above, a bar coil antenna is generally used for an LF antenna having a long wavelength, and the presence of a ferromagnetic material such as ferrite, which is a reversible (reciprocity) negative element, greatly affects the characteristics of the receiving antenna. Therefore, the necessity for adjustment to the antenna length or the like becomes larger.
Japanese Patent No. 3579107 JP 2005-45625 A

The present invention has been made to eliminate the above-described drawbacks, and an object of the present invention is to provide a door operation handle that has a simple antenna installation and high communication performance. Another object of the present invention is to provide an antenna unit for a door operation handle .

  The door operation handle A is formed by fixing a linear antenna 5 to a metal handle main body 2 that provides a handle when the door 1 is opened and closed. The linear antenna 5 is used as a receiving antenna that communicates with a portable device possessed by a user and receives an ID signal output from the portable device, and is attached to the wall surface of an antenna case 7 made of synthetic resin in which the receiving unit is accommodated. The antenna unit 13 is formed by being integrated with the antenna case 7 in a state where the mounting posture is supported. As a result, the position and orientation of the linear antenna 5 that affect the reception performance are uniquely determined in relation to the antenna case 7, so that deformation, misalignment, etc. during assembly work can be prevented, and assembly work can be prevented. In addition to improving the performance, it is possible to eliminate variations in reception performance among products.

  Furthermore, one end of the linear antenna 5 is opened and held on the outer peripheral wall 14. For this reason, the open end of the linear antenna 5 is exposed to the outside of the antenna case 7 and can be cut even after the antenna unit 13 is assembled. As a result, while cutting the tip of the linear antenna 5 while measuring the influence of the metal handle main body 2 etc., the antenna length is changed to set the antenna performance to the best, or the shape of the metal handle main body 2 It is possible to cut the linear antenna 5 so as to match different products, etc., and to share the products.

  In addition, since the circuit unit of the antenna unit 13 is accommodated in the antenna case 7 that is waterproof and sealed, it can be incorporated into the door operation handle A exposed to the outside without performing a special waterproof treatment. become.

  As long as the antenna performance does not deteriorate the antenna performance, the linear antenna 5 extends along the entire outer peripheral wall surface of the antenna case 7 or a part thereof, for example, when the antenna case 7 has a rectangular parallelepiped shape, two, three, or four side surfaces orthogonal to each other. By arranging, the antenna length can be earned. Further, since the outer wall surface of the antenna case 7 is merely a means for providing the antenna locking portion 6 with respect to the linear antenna 5, the antenna case 7 needs to have a shape along the laying path of the linear antenna 5. There is no.

The linear antenna 5, a wire, or it Ru can der to use a strip which is formed by the sheet metal, by forming the strip, the stiffness is higher than in the case of forming the wire-like Therefore, since the shape maintaining property (shape retaining property) is good, it is sufficient that the antenna locking portion 6 is disposed so as to support an appropriate portion of the linear antenna 5.

  According to the present invention, since the attitude of the linear antenna can be determined only by fixing the antenna unit at a predetermined position, the antenna can be easily installed and the communication performance can be improved.

  FIG. 1 shows an embodiment of the present invention incorporated in a handle device 16 for an entrance door. An electric lock 18 having a dead bolt 17 driven by an actuator (not shown) is fixed to the entrance door 1 at two places, and is controlled by a controller 19 fixed inside the door 1. The operation of the locking / unlocking control system including the electric lock 18 and the controller 19 is performed using a portable device possessed by the user.

  The portable device has a reception function of a response request signal output from the controller 19 and a transmission function of outputting an ID signal unique to the portable device, and receives the response request signal from the controller 19 or the user's When the locking / unlocking operation for the portable device is detected, the transmission function is activated to transmit the ID signal. When the controller 19 receives the ID signal from the portable device and authentication for the ID signal is established, the electric lock 18 is driven to perform locking or unlocking operation.

  The carrier wave used for response request signal communication and ID signal transmission / reception uses radio waves of different bands for reasons such as prevention of signal interference, LF waves are used for transmission / reception of response request signals, and UHF waves are used for transmission / reception of ID signals. Is used.

  In this embodiment, the handle device 16 is configured as a push-pull handle device having a pair of two fixed to the front and back of the door in order to operate the latch device 20. As shown in FIG. 3, the door operation handle A is connected to the handle base 21 and used as a component of the handle device 16. A bracket 22 is fixed to the handle base 21 and a connection piece 23 is fixed to the door operation handle A. The door operation handle A is a hinge pin 24 that penetrates through the hinge holes 22a and 23a between the bracket 22 and the connection piece 23. Is connected to the handle base 21 so as to be horizontally rotatable. Further, a stopper pin 25 parallel to the hinge pin 24 is fixed to the connecting piece 23, and the rotation angle is regulated by passing through the long hole 22 b of the bracket 22.

  The latch device 20 is a so-called reversal latch device 20 that maintains a closed state by maintaining a locked state with the door 1 by restricting a reversing operation by applying an opening operation force to the door 1 with a latch stopper. When either the front or back door operation handle A is pushed in, or the opposite door operation handle A is pulled, the latch stopper is released by the lever 33 fixed to the door operation handle A, and the door 1 can be operated. Become.

  The door operation handle A is provided with two operation buttons 10 and 10 corresponding to the locking / unlocking operation. When one of these buttons is pressed, a response request signal is transmitted to the portable device and included in the response to this. The electric lock 18 performs the locking / unlocking operation according to the button type on the condition that the authentication for the ID signal is established.

  The details of the door operation handle A are shown in FIGS. The door operation handle A includes a metal handle main body 2 as a strength member that bears an operation force when the door 1 is opened and closed. The metallic handle main body 2 is formed by projecting a connecting projection 27 rearward from one side edge of a rectangular plate-like plate portion 26 that is a handle for operation. Further, as shown in FIG. 5, a piece fitting recess 27 a is formed in the connecting projection 27, and the fixed block portion 23 b of the connecting piece 23 is fitted and fixed.

  A front cover 28 and a back cover 29 made of a synthetic resin material are fixed to the rotation center side edge of the metallic handle main body 2. A light guide bar 31 formed of a synthetic resin material that is transparent over the entire length in the vertical direction is fixed to the boundary between the front cover 28 and the metal handle main body 2, and the operation button 10 (push button) is attached to the front cover 28. The exposure opening 28a of the switch) is opened.

  The front cover 28 and the back cover 29 are fastened together with the metal handle main body 2 by screws 31, and the antenna unit 13 is accommodated in a hollow portion 39 formed by the front cover 28 and the back cover 29. As shown in FIG. 6 and subsequent figures, the antenna unit 13 includes a mounting substrate 8 accommodated in the hollow portion 12 of the antenna case 7 formed by connecting the upper and lower covers 32A and 32B. Mounted on the mounting board 8 are a bar antenna 9 for transmitting a response request signal, a light emitting element 11 (LED) for informing the user of the locking / unlocking operation state, and the push button switch 10. As shown in FIG. 7, a drawer port 32 a through which a harness outside the figure is drawn is formed at the corner of the lower cover 32 </ b> B.

  The upper and lower covers 32A and 32B are formed of a transparent synthetic resin material in order to ensure transmission of the emitted light from the LED 11 to the outside of the antenna case 7 and maintain the antenna performance of the bar antenna 9 and the linear antenna 5 described later. Is done. Further, as shown in FIG. 6B, the opening surface of the lower cover 32B to which the mounting substrate 8 is fixed is made of synthetic rubber in order to prevent water from entering the hollow portion 12 and prevent the mounting substrate 8 from being short-circuited. It is covered with a waterproof packing 34 formed by, for example. For ease of understanding, FIG. 6B shows only the waterproof packing 34 with a cross-sectional indication.

  As shown in FIGS. 8 and 9, the waterproof packing 34 includes a push button switch 10 on the mounting substrate 8, a bar antenna 9, and an uneven portion 34 a into which the LED 11 is fitted, and further, as shown in FIGS. The uneven portion 34 a corresponding to the push button switch 10 is covered with a switch cap 40 and protrudes from the exposed opening 28 a of the front cover 28.

  Furthermore, a linear antenna 5 for receiving an output signal from the portable device is fixed to the antenna unit 13. The linear antenna 5 is formed in a strip shape by cutting a brass thin plate material. As shown in FIGS. 7B and 8, one end of the linear antenna 5 is narrowed and then bent to form a joint terminal portion 5 a, and the joint terminal portion 5 a is formed into a rectangular shape of the mounting substrate 8. After being inserted into the through-hole 8a, the power supply point 36 is formed by soldering to a wiring pattern (not shown) formed on the back surface of the mounting substrate 8 and connected to the sub-substrate 35 on which the receiving circuit 4 is mounted.

  As shown in FIG. 6A, the linear antenna 5 is formed in a rectangular frame shape that is bent so as to substantially surround the outer peripheral shape of the antenna case 7. In order to facilitate the support using the outer peripheral portion 14 of the antenna case 7 to suppress the fluctuation of the linear antenna 5 and to further reduce the mounting space as much as possible, the linear antenna 5 corresponds to the outer peripheral shape of the antenna case 7. It is desirable to form a rectangular frame shape that is bent along the edge of the minimum enclosing rectangle.

  In this embodiment, the linear antenna 5 is drawn from the feeding point 36 to the approximate center of the short side 32b of the surrounding rectangle, and then the short side 32b and the long side 32c adjacent to the short side 32b, It has a straight line portion along another adjacent short side portion 32b, and a bent portion 5b along the outer shape of the antenna case 7 is formed at the free end portion 5c.

  In order to prevent wobbling of the linear antenna 5 configured as described above and to rigidly integrate the entire antenna unit 13, the antenna case 7 is provided with an antenna locking portion 6. The antenna locking portion 6 is formed on the long side portion 32c of the antenna case 7 and the free end corresponding portion of the linear antenna 5, and is disposed on the free end corresponding portion of the linear antenna 5, as shown in FIG. The antenna locking portion 6 is formed by projecting a pressing projection 6a for pressing up the linear antenna 5 from the upper and lower cases 32A and 32B.

  On the other hand, as shown in FIG. 7, the antenna locking portion 6 of the long side portion 32c protrudes from the long side wall surface of the lower case 32B and forms a fitting groove between the long side wall surface and the long side wall 32c. It is formed of a letter-shaped support wall 6b and a narrow protrusion 6c that protrudes from an appropriate portion of the long side wall surface and narrows the width of the fitting groove.

  The mounting substrate 8 to which the linear antenna 5 is connected at the feeding point 36 is first fixed to the lower cover 32B using screws or the like, and the vicinity of the feeding point 36 of the linear antenna 5 is screwed to the lower cover 32B. Prevents stress generation at solder joints. In FIG. 7B, 5d is a screw insertion hole provided in the linear antenna 5, 32e is a female screw portion formed in the lower cover 32B, and 37 in FIG. 7A is for fixing the mounting board 8 to the lower cover 32B. Show screw.

  When fixing the mounting substrate 8 to the lower cover 32B, the linear antenna 5 is positioned so as to be inserted into the antenna locking portion 6, and then the free end portion 5c is fixed by fixing the upper cover 32A. The fluctuation of the linear antenna 5 with respect to 32 is regulated. As shown in FIG. 6 (b), in the state where the antenna unit 13 is assembled, the free end portion 5c of the linear antenna 5 is in a state of protruding from the antenna locking portion 6, and the protruding portion 5e is appropriately set. Can be cut.

  As shown in FIGS. 4 and 5, the antenna unit 13 configured as described above is first screwed to the front cover 28, and is then attached to the back cover 29 and the metal handle main body 2 together with the front cover 28. Fixed. In this state, when communication with the portable device is performed and the desired antenna performance is not exhibited, the protruding portion 5e of the linear antenna 5 described above can be appropriately cut to adjust the antenna length.

In a state where the antenna unit 13 is fixed, the LED 11 in the antenna unit 13 faces the light guide bar 31 to constitute a light emitting unit. When the user performs a locking / unlocking operation, the LED 11 emits light depending on the operation content, and the light guide bar 31 shines, so that the user can be notified of the operating state of the electric lock 18.
(Appendix)
(Appendix 1)
A metal handle main body that is attached to the door and serves as a handle when opening and closing the door,
A door operation handle having a receiving circuit that communicates with a portable device possessed by a user and receives an ID signal output from the portable device, and a communication means including a linear antenna for reception,
The communication means accommodates the receiving circuit in the waterproofed internal space, and has a synthetic resin antenna case provided with an antenna locking portion at an appropriate location on the outer peripheral wall,
A door operation handle in which a communication means is unitized by retaining a linear antenna having one end as a feeding point and the other end as an open end and being retained by an antenna retaining portion of the antenna case.
(Appendix 2)
On the mounting board on which the receiving circuit is mounted, a bar antenna for transmission that outputs a response request signal to the portable device,
The door operation handle according to appendix 1, wherein an operation button for outputting a communication start signal with the portable device is mounted.
(Appendix 3)
The door operation handle according to appendix 1 or 2, wherein the communication means is disposed at one side edge of the metal handle main body.
(Appendix 4)
The antenna case is formed of a transparent material,
The door operation handle according to appendix 1, 2 or 3, wherein a light emitting element is mounted on the mounting substrate.
(Appendix 5)
The door operation handle according to appendix 4, wherein a light emitting portion for displaying a door locking / unlocking operation result is disposed over a whole edge at a boundary edge between the metal handle main body and the synthetic resin cover.
(Appendix 6)
An antenna case formed of a synthetic resin material and containing a mounting substrate in a hollow portion;
A linear antenna having one end connected to the mounting substrate and the other end open;
The linear antenna is an antenna unit in which a shape is retained by being appropriately locked at an antenna locking portion formed on an outer peripheral wall of an antenna case.
(Appendix 7)
The antenna unit according to appendix 6, wherein the linear antenna is formed in a strip shape from a thin metal plate material.
(Appendix 8)
The antenna unit according to appendix 5, 6 or 7, wherein the linear antenna is formed as a receiving antenna for radio waves in the UHF band, and a bar antenna for transmission in the LF band is accommodated in the antenna case.

It is the figure which attached the handle apparatus to the door, (a) is a side view, (b) is a front view. It is a figure which shows the handle | steering-wheel apparatus of this invention, (a) is the sectional view on the 2A-2A line of FIG.1 (b), (b) is a 2B direction arrow directional view of (a). It is a disassembled perspective view of a handle apparatus. It is a disassembled perspective view of a door operation handle. It is the figure which looked at FIG. 4 from the back direction. It is a figure which shows an antenna unit, (a) is a front view, (b) is 6A-6A sectional drawing of (a), (c) is a perspective view. It is a figure which shows the state which removed the upper cover of the antenna unit, (a) is a front view, (b) is a figure which shows attachment of a linear antenna, (c) is the 7C-7C sectional view taken on the line of (b). . It is a figure which shows the assembly | attachment of an antenna unit. It is the figure which looked at FIG. 8 from the back direction.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Door 2 Metal handle main part 4 Receiving circuit 5 Linear antenna 6 Antenna latching part 7 Antenna case 8 Mounting board 9 Bar antenna 10 Operation button 11 Light emitting element (LED)
12 Hollow part 13 Antenna unit 14 Outer peripheral wall A Door operation handle

Claims (6)

A metal handle main body that is attached to the door and serves as a handle when opening and closing the door,
A receiving circuit that communicates with a portable device possessed by a user and receives an ID signal output from the portable device, and a communication means including a linear antenna for reception;
The communication means has an antenna case made of synthetic resin that is unitized with the linear antenna by accommodating the receiving circuit in a waterproof interior space,
A linear antenna with one end serving as a feeding point and the other end as an open end is formed into a strip shape with a thin metal plate, and the shape is retained by appropriately locking the antenna locking portion provided on the outer peripheral wall of the antenna case. And a door operation handle with the open end exposed to the outside of the antenna case, the length of which can be changed by cutting . On the mounting board on which the receiving circuit is mounted, a bar antenna for transmission that outputs a response request signal to the portable device,
The door operation handle according to claim 1, wherein an operation button for outputting a communication start signal with the portable device is mounted. The antenna case is formed of a transparent material,
The door operation handle according to claim 2, wherein a light emitting element is mounted on the mounting substrate. An antenna case that is formed of a synthetic resin material and accommodates a receiving circuit that communicates with a portable device possessed by a user and receives an ID signal output from the portable device, in a waterproof interior;
It is unitized with the antenna case, and has a receiving linear antenna with one end connected to the receiving circuit and the other end open.
By incorporating it into the door operation handle, the door operation handle is provided with a function of receiving an ID signal from the portable device.
The linear antenna is formed in a strip shape from a thin metal plate, and is held in place by being appropriately locked at an antenna locking portion formed on the outer peripheral wall of the antenna case, and the antenna length is changed by cutting. An antenna unit for a door operation handle in which the open end possible is exposed to the outside of the antenna case .   The door operation handle antenna unit according to claim 4, wherein the linear antenna is formed in a rectangular frame shape that is bent so as to substantially surround an outer peripheral shape of the antenna case.   6. The door operating handle antenna unit according to claim 4 or 5, wherein the linear antenna is formed as a receiving antenna for UHF band radio waves, and an LF band transmitting bar antenna is accommodated in the antenna case. .

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