Door opening and closing device

Abstract

To provide a door opening / closing device which facilitates wiring with an external device.SOLUTION: The device is provided with a body 3 equipped with a driving device 11 mounted on a door 1 and driving the door 1, a relay box 23 mounted on a fixing part such as a door frame 2, and a third cord 24 electrically connecting the body 3 and the relay box 23, the body 3 is equipped with a first external terminal, the relay box 23 is equipped with a second external terminal 32, the relay box 23 is arranged on a power supply path for supplying power of a commercial power source 9 to the body 3, and the third cord 24 has a power supply line for power supply and a signal line for the second external terminal 32.SELECTED DRAWING: Figure 2

Description

[Technical Field]

[0001] The present invention relates to a door opening and closing device for opening and closing a door. [Background technology]

[0002] The following Patent Document 1 describes a door opening and closing system that includes a door closer and a control device. The door closer is attached to the door, and the control device is placed on the wall. A human detector, an electric lock, and a receiver are connected to the control device.

[0003] However, since the control device is installed on the wall, it is not easy to connect external devices such as a human detector, an electric lock, or a receiver that are installed on the door that opens and closes. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Japanese Patent Application Laid-Open No. 2005-320788 Summary of the Invention [Problem to be solved by the invention]

[0005] An object of the present invention is to provide a door opening and closing device that can be easily connected to an external device. [Means for solving the problem]

[0006] The door opening and closing device according to the present invention comprises a main body attached to a door and equipped with a drive device for driving the door, a fixing device attached to a fixing portion such as a door frame, and a cord for electrically connecting the main body and the fixing device, wherein the main body comprises a first external terminal and the fixing device comprises a second external terminal. Note that the door opening and closing device may be one that performs both door-opening and door-closing operations, or one that performs only door-opening or door-closing operations.

[0007] According to this configuration, the main body and the fixed device are each provided with a first external terminal and a second external terminal, so that an external device can be connected to the first external terminal, and also to the second external terminal. That is, an external device can be connected to either the main body or the fixed device. Therefore, the worker can freely select the connection destination of the external device and can select the connection destination that is easiest to wire. For example, for an external device installed on a fixed part such as a door frame or a wall, work can be facilitated by connecting it to the second external terminal of the fixed device that is also attached to the fixed part. Furthermore, for an external device installed on a door, work can be facilitated by connecting it to the first external terminal of the main body that is also attached to the door.

[0008] In particular, it is preferable that the fixing device be disposed in a power supply path that supplies power from a commercial power source to the main body, and that the cord have a power line for the power supply and a signal line for the second external terminal. With this configuration, the wiring between the main body and the fixing device and the wiring between the main body and the commercial power source are partially shared, making wiring easier. Furthermore, since the cord has both a power line and a signal line, power supply and signal transmission can be performed using a single cord.

[0009] Furthermore, it is preferable that the second external terminal is connected to the first external terminal via a cord, which makes wiring in the main body easier.

[0010] Furthermore, it is preferable that the fixing device includes an AC / DC conversion unit and a case that houses the AC / DC conversion unit and the second external terminal. With this configuration, the AC / DC conversion unit and the second external terminal are housed in the case, so fewer parts are exposed around the door, resulting in an excellent appearance and excellent workability. Furthermore, the workability is also excellent when wiring is hidden in the ceiling or the like. [Effects of the Invention]

[0011] As described above, connection of external devices becomes easy. [Brief explanation of the drawings]

[0012] [Figure 1] 1 is a schematic diagram illustrating a state in which a door opening and closing device according to an embodiment of the present invention is used; [Figure 2] Enlarged view of the main part of Figure 1. [Figure 3] Enlarged view of the main part of Figure 1. [Figure 4] FIG. [Figure 5] FIG. 10 is a schematic configuration diagram showing a state in which a door opening and closing device according to another embodiment of the present invention is used. [Figure 6] FIG. 4 is a front view showing the inside of the fixing device of the door opening and closing device. [Figure 7] FIG. [Figure 8] FIG. DETAILED DESCRIPTION OF THE INVENTION

[0013] A door opening and closing device according to one embodiment of the present invention will be described below with reference to Figs. 1 to 4. The door opening and closing device electrically opens or closes a door 1. The door opening and closing device may be configured to perform only the opening or closing operation of the door 1, or may be configured to perform both the opening and closing operation of the door 1. Fig. 1 shows the overall configuration of the door opening and closing device. Fig. 1 shows a left-opening (left-handed) door 1 as an example, but a right-opening (right-handed) door 1 may also be used.

[0014] In this embodiment, the door 1 rotates. The door 1 is rotatably attached to a door frame 2 via hinges (not shown). The door 1 rotates horizontally around a vertical axis. The door opening and closing device includes a main body 3 attached to the door 1, a link mechanism 4 connecting the main body 3 and the door frame 2, and a power supply device 5 that supplies power from a commercial power source 9 to the main body 3. The main body 3 is attached to the upper front of the door 1, near the hinge. The main body 3 is attached to the door 1 via a mounting plate (not shown). As shown in FIG. 2 , the link mechanism 4 includes an arm 6, a link 7, and a bracket 8.

[0015] <Main body 3> The main body 3 is equipped with a drive shaft 10. The drive shaft 10 rotates around an axis in the vertical direction. One end of an arm 6 is connected to the upper end of the drive shaft 10. The arm 6 rotates integrally with the drive shaft 10. The arm 6 rotates horizontally around the drive shaft 10. The other end of the arm 6 is rotatably connected to one end of a link 7. The other end of the link 7 is rotatably connected to a bracket 8. The bracket 8 is attached to the underside of the upper frame 2a of the door frame 2.

[0016] The main body 3 includes a drive unit 11 that drives the drive shaft 10 to open and close the door 1, a control unit 12 that controls the drive unit 11, and a main body interface 13 for connecting to an external device. The drive unit 11 includes a motor (not shown) that drives the drive shaft 10. The motor is, for example, a brushless DC motor. The control unit 12 controls the motor. The main body interface 13 includes a first external terminal 31 (see FIG. 4) that is connected to an external device. Details of the main body interface 13 will be described later.

[0017] <Power supply device 5> The power supply device 5 is disposed between the main body 3 and a commercial power source 9. The power supply device 5 is a power supply path that supplies power to the main body 3. The commercial power source 9 is, for example, an AC 100V power source wired to a building. One end of the power supply device 5 is connected to the commercial power source 9, and the other end is connected to the main body 3.

[0018] The power supply device 5 includes a first cord 20, an AC adapter 21, a second cord 22, a junction box 23, and a third cord 24. The first cord 20 connects the commercial power source 9 to the AC adapter 21. The first cord 20 includes a power plug 25 at a first end 20a. The power plug 25 is inserted into a socket (outlet) of the commercial power source 9. The socket of the commercial power source 9 is installed on a wall surface of a building. The second end 20b of the first cord 20 is detachably connected to the AC adapter 21. However, the second end 20b of the first cord 20 may be integral with the AC adapter 21. The AC adapter 21 converts AC power input from the commercial power source 9 into DC power and outputs the converted power. For example, it converts AC 100V to DC 12V. The AC adapter 21 is attached to, for example, the vertical frame 2b of the door frame 2 or a wall surface nearby.

[0019] The second cord 22 connects the AC adapter 21 and the relay box 23. A first end 22a of the second cord 22 is detachably connected to the AC adapter 21. However, the first end 22a of the second cord 22 may be integral with the AC adapter 21. A second end 22b of the second cord 22 is detachably connected to the relay box 23. However, the second end 22b of the second cord 22 may be integral with the relay box 23.

[0020] The relay box 23 is attached near the main body 3. For example, the relay box 23 is attached to the upper part of the vertical frame 2b of the door frame 2, the upper frame 2a of the door frame 2, or a wall surface in the vicinity thereof. In other words, the relay box 23 is attached to a fixed part of the door frame 2, a wall surface, etc. The relay box 23 is preferably installed on the vertical frame 2b on the rotation axis side (hinge side) of the door 1, and is preferably installed at approximately the same height as the main body 3.

[0021] In this embodiment, the relay box 23 is the fixed device. The relay box 23 houses a secondary battery 26, a circuit board 27, and a second external terminal 32. The secondary battery 26 is for supplying power to the main body 3 during a power outage. The circuit board 27 controls switching between charging and discharging the secondary battery 26. The circuit board 27 discharges power from the secondary battery 26 during a power outage, and charges the secondary battery 26 during normal operation (when there is no power outage). The relay box 23 preferably has a lid (not shown). The lid of the relay box 23 can be opened to replace or perform maintenance on the secondary battery 26 or the circuit board 27. An external device is connected to the second external terminal 32, the details of which will be described later.

[0022] The secondary battery 26, circuit board 27, and second external terminal 32 may be housed in the AC adapter 21. The secondary battery 26 may be, for example, four AA-size nickel-metal hydride batteries connected in series. Therefore, the voltage of the secondary battery 26 may be 1.2V × 4 = 4.8V. The circuit board 27 may also include a booster that boosts the input voltage and outputs it. For example, if the voltage of the secondary battery 26 is 4.8V and the driving voltage of the motor 11 is 12V as described above, the circuit board 27 boosts the voltage of the secondary battery 26 to output 12V. The relay box 23 may also be provided with an LED or other indicator that notifies the outside when the secondary battery 26 is being discharged or charged. While the present embodiment uses the secondary battery 26, a primary battery such as a dry cell battery may also be used. If the primary battery is used, the circuit board 27 does not need to have a charging function. The battery may also be omitted.

[0023] The third cord 24 connects the relay box 23 and the main body 3. A first end 24a of the third cord 24 is detachably connected to the relay box 23. A second end 24b of the third cord 24 is detachably connected to the main body 3. In this embodiment, an elastic cord, such as a curl cord (spring cord), is preferably used for the third cord 24. The third cord 24 has a power line 40 and a signal line 41. There are two power lines 40, one positive and one negative. The signal lines 41 are for the second external terminals 32, and the number of signal lines 41 corresponds to the number of second external terminals 32.

[0024] The first external terminal 31 and the second external terminal 32 are input / output terminals through which signals are input from and output to external devices. The control device 12 receives signals from the external device and controls the drive device 11. The control device 11 also outputs signals to the external device. The external device may be of various types, but representative examples include a monitoring sensor 50 such as an electric lock or a human detection sensor that monitors the area near the door 1, a manual switch such as a touch sensor or push button that manually opens or closes the door, and a wireless device that receives or transmits wireless media such as radio waves or infrared rays. The monitoring sensor 50 is attached to the door 1 or the door frame 2, but is preferably attached to the door 1. The main body 3 may be equipped with the monitoring sensor 50.

[0025] An external device is connected to either the first external terminal 31 or the second external terminal 32. For example, when two types of external devices are connected, the first external device and the second external device are each connected to either the first external terminal 31 or the second external terminal 32. Both the first external device and the second external device may be connected to the first external terminal 31, or both the first external device and the second external device may be connected to the second external terminal 32, or the first external device may be connected to the first external terminal 31 and the second external device may be connected to the second external terminal 32.

[0026] 4 shows an outline of the wiring diagram of the door opening and closing device. Power supplied from commercial power source 9 is sent from first cord 20 to AC adapter 21, converted there to DC, and sent from second cord 22 to relay box 23. If relay box 23 is equipped with secondary battery 26, the power is stored in secondary battery 26 and sent to main body 3 via power line 40 of third cord 24. If relay box 23 is not equipped with secondary battery 26, the power is sent via relay box 23 to main body 3 via power line 40 of third cord 24. Power line 40 of third cord 24 is connected to control device 12, and DC power is supplied to control device 12 and then from control device 12 to the motor of drive device 11.

[0027] The second external terminal 32 of the relay box 23 is connected to the main body interface 13 via a signal line 41 of the third cord 24. The main body interface 13 includes a first external terminal 31. In this embodiment, the main body interface 13 corresponds to the monitoring sensor 50 that is an option for the main body 3, and the first external terminal 31 includes a main external terminal 33 and a sensor external terminal 34. The main external terminal 33 corresponds to the second external terminal 32, and the number of the main external terminals 33 is the same as the number of the second external terminals 32. However, the number of the main external terminals 33 may be different from the number of the second external terminals 32. The second external terminal 32 is connected to the main external terminal 33 via the signal line 41 of the third cord 24. The main external terminal 33 is connected to the control device 12. That is, the second external terminal 32 is connected to the control device 12 via the main external terminal 33. Note that the second external terminal 32 may be directly connected to the control device 12 without being connected to the first external terminal 31.

[0028] The main body interface 13 is equipped with an ON / OFF switch 35 for the monitoring sensor 50. The ON / OFF switch 35 is a manual selector switch. If the main body 3 is equipped with the monitoring sensor 50, the ON / OFF switch 35 is set to the ON side, and if the main body 3 is not equipped with the monitoring sensor 50, the ON / OFF switch 35 is set to the OFF side. The monitoring sensor 50 is connected to the external sensor terminal 34. The external sensor terminal 34 is connected to the control device 12 via the ON / OFF switch 35.

[0029] In the door opening and closing device configured as described above, the main body 3 and the relay box 23 are provided with the first external terminal 31 and the second external terminal 32, respectively. Therefore, an external device can be connected to the first external terminal 31, and also to the second external terminal 32. The worker can arbitrarily select the connection destination of the external device from the first external terminal 31 or the second external terminal 32, and can select the connection destination that allows for easy wiring. For example, for an external device installed on a fixed portion such as the door frame 2 or a wall, connecting to the second external terminal 32 makes wiring between the external device easier. Furthermore, for an external device installed on the door 1, connecting to the first external terminal 31 makes wiring between the external device easier.

[0030] For example, if a manual switch or the like is provided on a fixed part such as the door frame 2 or a wall, wiring can be made easier by connecting the manual switch or the like to the second external terminal 32. Also, if a monitoring sensor 50 or an electric lock is provided on the door 1, wiring can be made easier by connecting the monitoring sensor 50 or the electric lock to the first external terminal 31. In particular, in this embodiment, the first external terminal 31 is provided with a sensor external terminal 34 dedicated to the monitoring sensor 50 in addition to the main external terminal 33, making wiring to the monitoring sensor 50 easy and also easily adaptable to both the presence and absence of the monitoring sensor 50. This is particularly effective in a configuration in which the main body 3 is provided with the monitoring sensor 50 as an option. Note that external devices other than the monitoring sensor 50, such as an electric lock, can be connected to the main external terminal 33.

[0031] Furthermore, since the second external terminal 32 is connected to the first external terminal 31 via the third cord 24, wiring within the main body 3 is easy, and the configuration of the control device 12 is also easy.

[0032] Furthermore, since the relay box 23 is provided with the second external terminal 32, wiring between the main body 3 and the second external terminal 32 is simplified. Also, since the third cord 24 has the power line 40 and the signal line 41, the number of third cords 24 can be minimized. If the third cord 24 is a curled cord, disconnection of the third cord 24 can be easily prevented. Since the relay box 23 is located close to the main body 3, the third cord 24 can be short. Furthermore, if the external device is a wireless device, it is preferable to store the wireless device circuit board in the relay box 23. This eliminates the need to place the wireless device circuit board in the main body 3, making the main body 3 more compact and improving the aesthetic appeal of the main body 3.

[0033] The fixing device may be the AC adapter 21 instead of the relay box 23, and the AC adapter 21 may be provided with the second external terminal 32. The fixing device may also be provided independently of the power supply path. The control device 12 may be provided in a location other than the main body 3. The relay box 23 may also be provided with a delay circuit (not shown). The delay circuit delays the signal to the main body 3 so that the door opens after the electric lock is released.

[0034] 5 to 8, the AC adapter 21 may be stored in the relay box 23. In this embodiment, the relay box 23 does not store the secondary battery 26. The secondary battery 26 is provided in, for example, the main body 3. As shown in FIG. 7, the relay box 23 includes a case 60. The case 60 includes a mounting plate 61 and a cover 62 that is detachably attached to the mounting plate 61. FIG. 6 shows the state with the cover 62 removed. The mounting plate 61 is attached to, for example, the door frame 2 or the ceiling space. The mounting plate 61 is fastened with, for example, screws. Fixing screws 63 for fastening the mounting plate 61 may be stored in the case 60. In this embodiment, a screw holding portion 64 that holds the fixing screws 63 is provided on the inner surface of the mounting plate 61. The mounting plate 61 is provided with, for example, two through-holes 65, and the fixing screws 63 are inserted into the two screw holes 65 to fasten the mounting plate 61 with the screws. Therefore, when the cover 62 is attached to the mounting plate 61, the head of the fixing screw 63 is located inside the case 60 and is not exposed to the outside of the case 60. Two screw holes 65 are located on both sides of the AC adapter 21.

[0035] An adapter holder 66 that holds the AC adapter 21 is provided on the inner surface of the mounting plate 61. As shown in FIG. 7 , a receptacle 67 is provided on the first side surface 60a of the case 60 for removably inserting the second end portion 20b of the first cord 20 into the AC connection portion 21a of the AC adapter 21. Specifically, the receptacle 67 is provided by forming a notch in the side surface of the cover 62. The AC connection portion 21a of the AC adapter 21 is exposed through the receptacle 67. The second end portion 20b of the first cord 20 can be attached to or detached from the AC adapter 21 through the receptacle 67 without opening the cover 62.

[0036] The third cord 24 extends from the second side surface 60b of the case 60. The second side surface 60b of the case 60 faces the first side surface 60a of the case 60. The AC adapter 21 is elongated along a predetermined direction. The longitudinal direction of the AC adapter 21 is along the first case direction, which is the direction in which the first side surface 60a and the second side surface 60b of the case 60 face each other. The AC connection portion 21a is located at the first longitudinal end 21b of the AC adapter 21.

[0037] A circuit board 27 is attached to the inner surface of the mounting plate 61. The circuit board 27 is attached to the mounting plate 61 at a different mounting location from the AC adapter 21 without overlapping with the AC adapter 21. A second cord 22 connects the AC adapter 21 to the circuit board 27. The second cord 22 is also stored in the case 60 together with the AC adapter 21. A first end 22a of the second cord 22 is located at a second end 21c in the longitudinal direction of the AC adapter 21. The AC connection portion 21a and the first end 22a of the second cord 22 are located at both ends 21b, 21c in the longitudinal direction of the AC adapter 21, respectively.

[0038] The circuit board 27 has a cord connection portion 68. The second end portion 22b of the second cord 22 is detachably connected to the cord connection portion 68. The second cord 22 connects the AC adapter 21 and the circuit board 27 inside the case 60. The second cord 22 is connected to the power line 40 via the circuit board 27. The second end portion 22b of the second cord 22 faces the first side surface 60a of the case 60. The second cord 22 is curved so as to fold back to the opposite side inside the case 60. The second end portion 22b of the second cord 22 is located adjacent to the AC adapter 21 in the short direction.

[0039] The circuit board 27 is provided with a DC power output terminal 69 for outputting DC power converted by the AC adapter 21. DC power is supplied to the DC power output terminal 69 from the second cord 22. The DC power output terminal 69 supplies DC power to an external device such as a wireless device board or a human detection sensor.

[0040] A delay circuit may be provided on the circuit board 27. The delay circuit delays, by a predetermined time, the signal output to the signal line 41 based on the signal input to the second external terminal 32. The delay circuit has an adjustment unit 70, and the delay time can be manually adjusted by operating the adjustment unit 70. The second external terminal 32 is mounted on the circuit board 27. The second external terminal 32 is connected to the signal line 41 via the circuit board 27.

[0041] A signal insertion hole 71 is provided in the case 60. An external signal line (not shown) is inserted through the signal insertion hole 71. The external signal line passes through the signal insertion hole 71 into the case 60 and is connected to the second external terminal 32. The signal insertion hole 71 is preferably provided on the first side surface 60a of the case 60. It is preferable that the insertion hole 67 and the signal insertion hole 71 open in the same direction, but they may open in different directions, and their arrangement, etc. is arbitrary.

[0042] An additional storage space 72 is provided on the inner surface of the mounting plate 61. The additional storage space 72 is provided in parallel with the AC adapter 21 and the circuit board 27 so as not to overlap with them. Other boards, such as a board for a wireless device, are attached to the additional storage space 72. As described above, DC power is supplied to the additional board from the DC power output terminal 69.

[0043] In this way, when the AC adapter 21 is stored in the relay box 23 together with the second external terminal 32, fewer parts are exposed around the door. This results in a superior appearance. It also offers excellent installation workability. Furthermore, it also offers excellent workability when wiring is hidden in the ceiling or the like. [Explanation of symbols]

[0044] 1 door 2 Door frame (fixed part) 2a Upper frame 2b vertical frame 3 Main unit 4 Link mechanism 5 Power supply device (power supply path) 6 Arm 7 Links 8 Bracket 9 Commercial power supply 10 Drive shaft 11 Drive unit 12 Control device 13 Main unit interface 20 First Code 20a First end 20b 2nd end 21 AC adapter (AC / DC conversion unit) 21a AC connection 21b First end 21c 2nd end 22 Second Code 22a First end 22b Second end 23 Relay box (fixed device) 24 Third Code 24a First end 24b Second end 25 Power plug 26 Secondary battery 27 Circuit Board 31 First external terminal 32 Second external terminal 33 Main external terminal 34 External terminal for sensor 35 ON / OFF switch 40 Power Lines 41 Signal line 50 Monitoring Sensors 60 cases 60a First side 60b 2nd side 61 Mounting plate 62 Cover 63 Fixing screw 64 Screw holding part 65 screw holes 66 Adapter holder 67 Insertion hole 68 Cord connection 69 DC power output terminal 70 Adjustment section 71 Signal insertion hole 72 additional storage space

Claims

1. a main body attached to the door and including a drive device for driving the door; a fixing device attached to a fixed portion such as a door frame; a cord electrically connecting the main body and the fixing device; A door opening and closing device, wherein the main body has a first external terminal and the fixing device has a second external terminal.

2. The fixing device is arranged in a power supply path that supplies power from a commercial power source to the main body, The door opening and closing device according to claim 1 , wherein the cord has a power line for supplying power and a signal line for the second external terminal.

3. The door opening and closing device according to claim 2 , wherein the second external terminal is connected to the first external terminal via a cord.

4. 4. The door opening and closing device according to claim 2, wherein the fixing device comprises an AC / DC conversion unit and a case that houses the AC / DC conversion unit and the second external terminal.

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