JPS5924083A - Automatic opening and closing slide door - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an automatic sliding door that opens and closes the sliding door using the driving force of a linear induction motor.

Conventionally, practical IS PIII automatic opening/closing sliding doors have been known, such as those that convert the rotation of a motor into linear motion through a heald, a chain, or the like, and those that use a fluid pressure cylinder. However, these are generally lll1
The grooves are complex and generate noise due to friction when opening and closing, and are prone to breakdowns, and require a considerable amount of force to open and close manually in emergencies, so a special There were some drawbacks, such as the need for manipulation.

The present invention was made in view of the above-mentioned points VC, and uses a sunnier induction motor to directly open and close the sliding door17.There is no noise, there is no problem with breakdowns, and the door can be easily opened and closed by hand even in emergencies. This provides a sliding door that automatically opens and closes. Another object of the present invention is to provide an automatic opening/closing sliding door that allows opening/closing of the sliding door and confirmation of the opening/closing state by remote control.

An embodiment of the present invention will be described based on the drawings. In FIG.
A single-opening sliding door 2 is fitted into an openable/closable VC in an outer frame 1 constituted by d. To explain this more clearly, in Fig. 2 above, a rail 3b is laid along the upper surface of the tip of a rail stand 3a that protrudes horizontally from the lower side of the seam 1a and extends over almost the entire length of the seam 1a. Further, a convex portion 4 is provided on the threshold 1d over almost the entire length. On the other hand, a hanging metal fitting 2a with a hook-shaped cross section attached to the upper part of the sliding door 2 is provided with door wheels 2b, 2b, and a concave groove 2c provided at the lower part of the sliding door 2 has a convex shape. The VC is configured such that the door wheels 2b, 2b run on a rail 3b. On the upper surface of the hanging fitting 2a, a secondary iron core 5a made of a laminated silicon steel plate, etc., and a flat secondary conductor 5b made of copper, aluminum, etc. are installed over almost the entire width of the sliding door 2. placed in the direction. on the other hand,
The primary windings 6a and 6b are arranged at positions facing the secondary conductor 5b with a small gap within the opening/closing movement range of the sliding door 2.
Regardless of i71t, either primary winding 6a or 6b -
- The arrangement Ig is such that one side always faces the secondary conductor 5b. - The next windings 6a and 6b are three-phase windings applied to an iron core made of laminated silicon steel plates, etc., and the support 6c
Therefore, it is fixed at 13 and is fl. - Next winding (ia
, 5b and the secondary conductor 51], it is desirable that the driving force be as small as possible to the extent that they do not come into contact with each other.

However, in this embodiment, in order to increase the accuracy of the secondary conductor 51), the sliding door 2 is suspended from the top, but the sliding door 2 is suspended by increasing the accuracy and strength of the τj method of the sliding door 2. It is also possible to have a structure in which the vehicle runs on the threshold 1d. Moreover, the -th order winding 6a.

6b at the threshold 1d, and the secondary core 5a and secondary conductor 5b can be provided at the bottom of the sliding door 2. In this case, it is better to have a structure in which the sliding door 2 runs on the threshold 1d. It is desirable that it can be opened and closed. Still, rail stand 3ah
Reference numeral K denotes a proximity switch 7a that is activated when the lower end of the hanging fitting 2a approaches the hook 1a.

7b is deployed, and one proximity switch 7a vj
One primary winding 6a and the other proximity switch 7b are arranged to operate when the other primary winding 61) faces the secondary conductor 51, respectively. If the respective primary windings 6a, 6b are energized when the respective proximity switches 7a, 7b are activated, the sliding door 2 will continuously receive the driving force and move open/close. Also, it is a good idea not to excite both the next volumes M6a and 6b.
1 Sliding door 2 has no corner to receive the driving force and the primary winding 6
Since it is not mechanically connected to a, 61), etc., it can be easily opened and closed by human power. This example &
-1,! It is assumed that 3 primary windings are used, but 3
The same applies even if the number of proximity switches is more than one, and an appropriate number of proximity switches may be provided to sequentially switch. Further, a secondary winding may be used instead of the secondary conductor, and a photoelectric switch, a reed switch, a microswitch, etc. may be used instead of the proximity switch.

Next, permanent magnets 8a and 8b for eye detection are provided in the equal areas 2e and 2d of the sliding door 2, and corresponding side frame ICs are installed.

An opening reed switch 9a and a closing reed switch 91) are provided at 1b, which operate in response to the detecting magnets 8a and 8b when the sliding door 2 is in the open or closed position. In addition, the equal area 2d and the side frame 1hJ are each equipped with a locking device 10 in the middle, and a side frame 11
) is provided with a micro switch 1i which operates when the device 10 is in the locked state. To explain this in iiY way, let's take a look at Figure 3 and start with g1'.
A hook part 11a and a slope part 111] are formed on the upper part of M.
A metal fitting 11 protrudes approximately horizontally f'1 from a rectangular hole 2f provided in the middle side of the equal area 2d, and the metal fitting 11
The rear end of the pin is pivoted by the +bin Job, and the tip is urged upward by a spring +Oc.

The bottle 101) protrudes from the front of the sliding door 2 through the iJ vertical part 2d, and has a lever 12 fixed to its tip, so that as the lever 12 rotates, the hook 11 rotates by a certain angle. It is configured. On the other hand, in the side frame 1bl, a metal fitting insertion hole 1e is provided corresponding to the protruding position of the metal fitting 11, and the L side Vc-lower end of the metal fitting insertion hole 1e is formed in a slope shape, and the hook is formed into a hook when the metal fitting 11 enters. A latch J'l' 10 (1) engages with the hook 11a, and an unlocking electromagnet +Oe is provided on the C side to attract the hook 11 and release the above-mentioned engagement. 11 is the hanging piece +O
In the state engaged with d (i.e. locking shape 9),
A microswitch 10FI is provided which is activated by being pushed in one direction from the hook portion 11aMC. Therefore, the third
In the locked state shown in the figure, by energizing the unlocking magnet 7u and pulling the lever 12 to the left, the metal fitting 11 and J! The combination with fdnir 10d is released, and the sliding door 2 can be moved freely. Further, locking is automatically performed when the metal fitting 11 enters the metal fitting insertion hole 1e. In this embodiment, reed switches 9a and 9b were used as detection switches for opening/closing confirmation, but the cholera may be any of proximity switches, photoelectric switches, reed switches, microswitches, etc., and suitable materials may be used depending on the type of these switches. , Next to the shape, we will explain the control circuit for controlling this automatic opening/closing sliding door. In FIG.
B and micro switch LOA are connected to the human power interface section 13 for converting into a total signal according to the operation of the switch, and the human power interface section 13 is connected to the same way as other automatic opening/closing sliding doors. A large number of switches +3a are disconnected. Also temperature, l, 113
A large number of sensors 14a are used to detect the indoor environment such as temperature, dust leakage, etc., as well as the outdoor environment such as presence of rain, wind pressure, brightness, etc.
is connected to the sensor interface section 14, which is converted to F7 according to the detection of the sensor, and both interface sections 13, 14 &;
It is connected to a central processing unit 15 composed of an i-micro processor or the like. The exit interface section 16 is for receiving commands from the central processing section 15 and sending signals to various signal lines, 16a is a sliding door opening command signal line, 16b is a
16c is a command signal line for closing the sliding door, 16c is a command signal line for unlocking, and 16d is a command signal line for other automatic opening/closing sliding doors. 1 in the storage section 17K, indoor and outdoor environmental conditions, and respective switches 9a and 9b.

10a, +3a status, current time and V or keyboard 1
It stores programs that have been pre-prepared to take necessary measures for environmental hygiene and crime prevention according to the conditions manually set by 8. Display section 19-, keyboard 1
B displays the human power conditions, indoor and outdoor environmental conditions, sliding door status, etc., and issues an alarm in the event of an abnormality. The proximity switches 7a and 7b are connected to inhibit elements +9a and 191) to inhibit each other, and are manually operated by an AND element 20. In addition, the sliding door opening/closing command signal lines 16a and +6b are each manually powered by an AND pressure element 2o, and when the ignition circuit 21 selected according to the human power conditions is fully activated, the bidirectional thyristor 22 is turned on and the primary winding 6a,
61). That is, the primary winding 1i116 is activated by the operation of the proximity switches 7a and 7b.
Either a or 6b is selected, and the two phases of the J-phase AC power supply 23 are switched by the signals on the sliding door opening/closing signal lines +6a, 16b, and the opening/closing movement direction of the sliding door 2 is selected.

In addition, VCji/7 is configured to turn on the bidirectional thyristor 22j via the unlocking command signal line +6ciJ ignition circuit 21j and excite the unlocking electromagnet 10e.
,. In this embodiment, the AND element 2 selects the primary windings 6a and 1lrb and changes the 2-phase 9J from the J-phase AC power supply 23.
It may be possible to carry out the calculation by logical operation W using 0, or to prepare this useless program and store it in the storage unit 17, and then have the central processing unit 15 perform further calculations.
It is Noh.

Although the bidirectional thyristor 22 is still used as the power switching element, it is also possible to use an electromagnetic switch, and if the secondary windings 6a and 6b are two-phase windings, the circuit can be changed as appropriate. These seven objects adapt by deforming.

The automatic opening/closing sliding door is configured as follows (11).
In the fully closed and locked state shown in the figure, the closing reed switch 9
1] and microsinch loa? j: ON state, both -
Next winding 6a 6b and electromagnet foe I; I: OF
It is in the F state, which means that the user can use the display section 19 as appropriate. Next, if the various conditions match the conditions programmed in advance and stored in the storage unit 17 for opening the sliding door 2, the central processing Fflf
15 Vi After confirming that the current sliding door 2 is fully closed, locked, and locked, first energize the unlocking electromagnet 10e to attract the metal fitting 11 and release the engagement with the latch piece 10d. . Then, the microswitch 10aii turns OFF. After confirming this, a signal is sent to the sliding door opening command signal line 16a, and the negative windings 6b and 6a are sequentially excited to open the sliding door 2.
drive and fully open. At this time, the closed reed switch 91] is in the OFF state, and the open reed switch 9a
B- becomes ON state, central processing unit +5rJ confirms this, signal line 16a and electromagnet foe are turned OFF.
I'm in F state. In addition, when the conditions for closing the sliding door 2 are met, the central processing unit 15 confirms that the sliding door is fully open, and then sends a signal to the sliding door close command signal line +6b to drive the sliding door 2 in the opposite direction to fully close it. state.

In this case, Vtcif is automatically locked, the microswitch 10a and the close measurement switch 9b are in the ON state, the open measurement switch 9a is in the OFF state, and the central processing unit 1
5. After confirming this, the signal line 16b is turned OFF. In each of the above states, if each switch does not show a normal operating state - 5 Repeat the operation to reach that state by reversing the opening/closing direction of the sliding door 2, and each switch does not show a normal operating state. If not, the display section 19Vc will display a message to that effect and issue an alarm. The following is an example of automatic opening/closing of a sliding door based on a program.
It can be opened and closed as needed. Even during a power outage or emergency, the two sliding doors can be opened and closed easily by operating the lever 12. It is also possible to omit the open side reed switches 9a & 4 and use an appropriate timer signal instead, and by providing an appropriate switch to detect the opening degree of the sliding door 2, the sliding door 2 can be fully automatically adjusted to the appropriate opening degree. It is also iiJ Noh to do so.

As described above, in the present invention, a secondary conductor and a secondary core are attached to the upper or lower part of a sliding door in the horizontal force direction, and a plurality of VC primary windings are attached to the outer frame within the opening/closing movement range of the sliding door. Distribution (6
N so that at least one primary winding always faces the secondary conductor, thereby constituting a linear induction motor together with the secondary conductor and the secondary core, and with the opening/closing movement position winding of the sliding door still attached to the outer frame. Since the sliding door is sequentially switched and excited to open and close the sliding door, there is no noise during automatic opening and closing, and it can be easily opened and closed manually even in the event of a breakdown or emergency. In particular, by sequentially switching and exciting a plurality of primary windings, the exciting current is always effectively converted into driving force, resulting in high efficiency and no risk of burnout of the primary windings. It is still possible to open and close automatically by remote control, and by installing an appropriate detection switch, it is possible to check whether the door is open or closed.Furthermore, by providing a locking device and a detection switch for lock confirmation, entrance doors and windows in buildings can be opened and closed automatically. Alternatively, fully automatic control of shutters, etc. is possible.

[Brief explanation of the drawing]

The drawings show embodiments of the present invention, and FIG. 1 is a front view of the automatic opening/closing sliding door according to the present invention, FIG. 2 is a TI-I+ cross-sectional view of FIG. 1, and FIG. 3 is a cross-sectional view of the main part of the locking device. , FIG. 4d is a block diagram showing a control circuit for controlling the automatic opening/closing sliding door. DESCRIPTION OF SYMBOLS 1...Outer frame, 2...Sliding door, 5...Linear induction motor, 5a...Secondary core, 51)...]-Riku conductor, 5a, 61)...-Secondary winding , 7a, 7b... Proximity switch (position detection switch), $a, 8b...
Permanent magnet for detection (operating piece for opening/closing confirmation), 10...b
N k device, 10a...micro switch (detection switch for locking confirmation).

Claims (1)

[Claims] 8. A secondary conductor and a secondary core are installed horizontally at the top or bottom of the sliding door, and a plurality of primary windings are arranged in the outer frame within the range of opening and closing movement of the sliding door. At least one primary winding always faces the secondary conductor, thereby driving the linear induction motor together with the secondary conductor and the secondary core at t41.
and one or more position detection switches for detecting the opening/closing movement position of the sliding door are provided on the outer frame,
An automatic opening/closing sliding door characterized in that the secondary winding is sequentially switched and energized by a signal from the position detection switch to open and close the sliding door. ! , an operating piece for confirming opening/closing is provided on the sliding door, a detection switch for confirming opening/closing operated by the operating piece is disposed on the outer frame, and the detection switch for confirming opening/closing is activated in response to the open or closed position of the sliding door. An automatic opening/closing sliding door according to claim 1. 3. When the sliding door is in the closed position, Wi, '1:+': is set, and the locking mechanism 114 (having a rain detection switch) is operated by moving the locking door. The automatic opening/closing sliding door described in paragraph 2 or paragraph 2.