JPH03228988A - Discriminating device for closing and opening door - Google Patents

Abstract

PURPOSE:To open and close a door securely by receiving the electric wave when a person carrying a discriminating member to transmit a specific discriminating electric wave approaches the door, comparing it with a registered code, and opening the door when the both codes are coincident. CONSTITUTION:A discriminating member 2 which consists of a nonvolatile memory chip 13 housing a discriminating code, and an electromagnetic coil 14 to transmit the discriminating code through radio is provided, and a person who has got the permission to enter and exit carries the discriminating member 2. And when a person approaches a door 5, the electric wave is received through an antenna 3, and converted to a discriminating code by a reading head 17. Then, the code and a registered code stored in a memory 18 beforehand are com pared, and when they are coincident, a power is applied to an opening/ closing driving circuit of the door 5 to open the door. And after the person passes, the door is closed by using a perceiving sensor 21, a timer, or the like. Consequently, the passer can be discriminated securely without contacting, and an accurate and sanitary opening and closing of door can be carried out in an operation room in a hospital, a pharmacy, and the like.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an identification device for identifying a target person and opening/closing a door.

[Conventional technology and its problems]

In hospitals, there are many areas such as operating rooms, pharmacies, and drug storage areas that are closed to outsiders and only certain people are allowed to enter.

Conventional methods for controlling the entrance and exit of people in such places include keeping the entrance door closed with a lock and only allowing authorized people to have the key, or placing a guard at the entrance. There is a way to monitor the situation.

However, the former method requires a lot of effort to operate as it requires unlocking and locking the door every time you go in and out, and has the disadvantage that you will not be able to go in or out if you lose the key. On the other hand, the latter method has the disadvantage that it imposes a heavy burden on the supervisor, and furthermore, relies on human supervision, making perfect surveillance impossible at all times.

Furthermore, strict disinfection is required when entering and exiting operating rooms, pharmacies, etc. for hygiene reasons, and for this reason, there is a need for a door opening/closing structure that allows people to freely enter and exit without touching the door.

Therefore, the object of this invention is to provide an identification device that can reliably identify people going in and out, and can also open and close doors without contact.

[Means to solve the problem]

In order to solve the above problems, the identification device of this invention includes an identification member that is carried by a person and includes a storage section that stores a unique identification code, and a transmitting section that transmits the identification code instead of radio waves; an antenna that is attached to a wall near the door and receives radio waves from the transmitter; a controller that compares the identification code received by the antenna with a registration code stored in advance and outputs a signal when the two match; Consisting of
The output signal of the controller is used as the opening signal of the door opening device.

[Effect]

A person who is allowed to enter and exit is allowed to carry an identification member, and a code corresponding to the identification code of the identification member is registered in advance in a controller.

In the above state, when a person carrying an identification member approaches the door, the antenna receives the signal transmitted by the identification member, and the controller compares the received identification code with the registered code. , activates the door opening/closing device and opens the door.

〔Example〕

Hereinafter, embodiments of this invention will be described based on the accompanying drawings.

FIG. 1 shows an example in which an identification device is attached to a horizontally sliding door 5, and an opening/closing device 6 for opening and closing the horizontally sliding door 5 is attached.

This opening/closing device 6 includes a solenoid 7 as shown in FIG.
an opening/closing cylinder 9 connected to the hydraulic pump 8 via;
The control circuit 10 controls the operation of the solenoid 7, and as the cylinder 9 expands and contracts, the door 5 slides laterally to open and close the entrance.

As shown in FIG. 1, the identification device 1 includes an identification member 2 carried by a person, an antenna 3 that receives radio waves from the identification member 2, and a controller 4 connected to a control circuit 10 of a door opening/closing device 6. It consists of

The identification member 2 has a clip 11 on the back as shown in FIG.
It is attached to a badge-like member 12 comprising a badge-like member 12, and is detachably attached to clothing worn by a person.

This identification member 2 has a built-in nonvolatile memory chip 13 such as EEFROM, and an electromagnetic coil 14 that transmits the information stored in the memory chip 13 instead of radio waves, and the memory chip 13 stores a predetermined identification code. be done.

As shown in FIGS. 2 and 5, the antenna 3 is made by crimping a conductor 16 such as copper foil between two glass plates 15 and 15 that cover almost the entire surface of the door 5. is formed by winding a rectangular loop extending over the entire glass plate 15.15 multiple times within the same plane.

As shown in FIG. 3, the receiving directivity of the antenna 3 having the above-mentioned structure has a shape that greatly expands in the front-rear direction of the antenna, making it possible to receive radio waves over a wide angular range. Therefore, even if the person carrying the identification member 2 does not face exactly the front of the door 5 and comes to a position laterally shifted from the antenna 3, the antenna 3 can effectively receive the radio waves emitted from the identification member 2. be able to.

As shown in FIG. 1, the controller 4 connected to the antenna 3 includes a reading head 17 that converts the radio wave signal received by the antenna 3 into an identification code, and an external code setting device 20 to input an arbitrary registration code. It consists of a storage section 18 that can be stored in a writable or erasable manner, and a comparison section 19 that inputs signals from the storage section 18 and the reading head 17 and compares the read identification code and registration code. This comparison part 1
9 is connected to the control circuit 10 of the door opening/closing device 6, and when the identification code and registration code match, a signal is sent to the control circuit 10.
Output to.

When the control circuit 10 receives a signal from the comparator 19, it opens the upper port of the solenoid 7 and opens the opening/closing cylinder 9.
The hydraulic oil is discharged from the cylinder S, the cylinder S is contracted, and the door 5 is opened.

On the other hand, an object detection sensor 21 is provided near the opening of the door 5 to detect the presence of a person or an article. This sensing sensor 21 is activated when the door 5 is opened and senses a person or an object near the door 5, and when the sensing state is interrupted,
A signal is output to the control circuit 10. The control circuit 10 is
When that signal is input, the lower port of the solenoid 7 is opened, the opening/closing cylinder 9 is extended, and the door 5 is closed.

Note that the door 5 may be closed not by the signal from the object detection sensor 21, but by using a timer, and the door 5 may be closed when a predetermined period of time has elapsed after the door was opened.

In the embodiment configured as described above, the identification member 2
A unique identification code is stored in advance in the memory chip 13 of
A person who is allowed to go in and out of the door 5 is made to carry an identification member 2. For example, when the door 5 is a door of an operating room, the identification member 2 is attached via a clip 11 to the clothes of a doctor or nurse who will perform the surgery.

Further, the same code as the identification code of the identification member 2 is registered and stored in the storage section 18 of the controller 4 through the code setting device 20.

After the above settings, when a person equipped with the identification member 2 comes close to the door 5, a signal to generate a radio wave is sent from the antenna 3 toward the identification member 2, and an identification code is outputted as a radio wave from the identification member 2. It is received by antenna 3.

This received radio wave signal is converted into an identification code by the reading head 17, and then compared with the registration code in the storage unit 18 by the comparison unit 19. If they match, the control circuit 1 of the door opening/closing device 6
Outputs a signal to 0. This signal causes the door opening/closing device 6 to open the door 5.

When the door 5 is opened, the detection sensor 21 is activated to detect the presence of a person or article, and when the person or article disappears from the sensing range, a signal is output to the control circuit 10 and the opening/closing device 6 is activated.
closes door 5.

On the other hand, if a person does not have an identification member or carries an identification member with a different identification code, the antenna 3
Since the signal received by the controller 4 does not match the registration code, no signal is output from the controller 4 and the door 5 is kept closed.

In addition, in operating rooms and pharmacies, it is necessary to disinfect not only the human body but also the items carried.
Identification member 2 including electromagnetic coil 14 and memory chip 13
This can be dealt with by covering the outer periphery with a corrosion-resistant layer. That is, since radio wave transmission is possible even through a resin layer, by covering the entire identification member 2 in a watertight manner with a resin layer that is not affected by disinfectant, it is possible to disinfect the identification member 2 by immersing it in disinfectant. .

〔Effect of the invention〕

As explained above, the identification device of the present invention reads an identification code using radio waves from an identification member carried by a person, and when the identification code matches the registered code, it issues a signal to open the door. Because it is a device, it is possible to reliably identify a target person in a non-contact state, and the opening and closing of the door can be controlled reliably at all times.

Therefore, if this identification device is used to open and close doors in hospital operating rooms and pharmacies, it will be possible to completely block access to restricted areas by outsiders, allowing accurate and sanitary door opening and closing. There are effects that can be done.

[Brief explanation of drawings]

Figure 1 shows the structure of the identification device according to this invention, Figure 2 shows the structure of the identification device according to this invention.
Figure 3 shows the door opening/closing device, Figure 3 shows the receiving range of the antenna, and Figure 4 shows how the identification member is installed and is a top view. DESCRIPTION OF SYMBOLS 1...Identification device, 3...Antenna, 5...Door, 9...Opening/closing cylinder, 13...Memory chip, 15 . . . Glass plate, 17 . . . Reading head, 19 . . . Comparison section. Figure 5 shows antenna and door locations 2...Identification member, 4...Controller, 6...Switching device 10...Control circuit, 14. ... Electromagnetic coil, 16 ... Conductor, 18 ... Memory section,

Claims (1)

[Claims] (1) An identification member that is carried by a person and includes a storage unit that stores a unique identification code and a transmitter that transmits the identification code in place of radio waves; The transmitter is attached to a door or a wall near the door; an antenna that receives radio waves from the antenna; a controller that compares the identification code received by the antenna with a registration code stored in advance and outputs a signal when the two match; , an identification device for opening and closing a door, characterized in that the signal is an opening signal for a door opening device.