ES2292881T3 - ENVIRONMENT CONTROL SYSTEM, IN PARTICULAR TO CONTROL ACCESS TO ESTABLISHMENTS. - Google Patents

Abstract

An environment control system (1) comprising: - means for issuing access permits (4, 5) configured to issue access permits to the controlled environment, each access permit including access information; - a means of reading the access permission configured to read the access information of said access permits; - an access control means (6) configured to control the passage through inputs / outputs of the controlled environment; and - an access management means (3) connected to said access permission issuing means (4, 5) and to said access control means (6); said access control means including a plurality of access control devices (6) located, in use, at the respective inputs or outputs of said controlled environment, the access control devices (6) comprising, in use, comprising the respective entries to said controlled environment the respective readers of the access permissions configured to read the access information of said access permissions; and said access management means including a central control unit (3) connected to said access control devices (6) and said access permission issuing means (4, 5) and configured to control the issuance of said permits of access; characterized in that said central control unit (3) is connected to said access control devices (6) through the respective wireless connections and is configured to be able to access remotely via the Internet; and because said central control unit (3) is further configured to identify the access control device (6) comprising the access permission reader that has read the access information of an access permission, and enables / denies the passing through the entrance controlled by the identified access control device (6) based on the access information read and on the identity of said access control device (6).

Description

Environment control system, in particular to control access to establishments.

The present invention relates to a system of environment control that can be used, for example, in establishments for public meetings, shows or exhibitions (theaters, museums, stadiums, concert halls, cinemas,  etc.) or in other types of structures (parking spaces, etc.) or in establishments with limited access subject to appointments (government offices, etc.), to control access and traffic of public, and monitor the environmental conditions of establishments

As you know, it has been done and is still being done enough research to improve access control and traffic from public at public meetings, shows, events or exhibitions in general.

For example, the document US-A-5 585 614 describes a access control device that includes a device local control connected to a central control device and that It contains a local computer, a card issuing station control, and an entry facility that can be locked. In the portable broadcast station control cards are issued with a electronic identification number stored in each issue. A transmitter device attached to the input facility transmits a continuous series of signals corresponding to the numbers of Identification recognized by the local computer as valid. So soon as the comparator circuit finds a correspondence between stored and transmitted identification numbers, the control circuit transmission circuit is activated to send a release signal to open the installation of input, therefore the power to transmit the signal from release is taken from the signals transmitted by the device of transmission.

WO 97/40475 describes a system of electronically controlled monitoring / access in accordance with the preamble of claim 1.

Despite the numerous efforts made in the last five years, however, there is still a space considerable to improve.

In particular, the highlight of the many drawbacks associated with environment control systems known is undoubtedly the high cost of installation involved in terms of time and money, what makes the known unrealizable systems for events other than those of Long term, well taken care of.

Another drawback of the control systems of known environment is its limited ability to analyze and control the so-called "risk factors" and provide this way an appropriate emergency action, in particular the Eviction of establishments in the case of fire.

It is an object of the present invention provide an environment control system, which is highly flexible and easily transportable for use in Any establishment.

In accordance with the present invention, provides an environment control system as claimed in claim 1.

By way of example, an embodiment will be described preferred, non-limiting of the present invention with reference to the attached drawings, in which:

Figure 1 shows a block diagram of a environment control system in accordance with this invention;

Figure 2 shows a manual payment station which is part of the environment control system of Figure one;

Figure 3 shows a tourniquet that forms part of the environment control system of Figure 1;

Figure 4 shows a device of information and environment monitoring that is part of the system of environment control of Figure 1;

Figures 5-8 show flowcharts of the operation of the control system environment of Figure 1.

The number 1 in Figure 1 indicates the system of global environment control in accordance with the present invention.

For simplicity purposes, and purely by way of non-limiting example, referenced in the following description to control access and public traffic within of a museum. What is said about this application of the The present invention, however, also clearly applies to access control and public traffic of establishments any kind.

The environment control system 1 comprises several removable, easy to transport subsystems that are communicate with each other over a wireless connection.

More specifically, the wireless connection can be conveniently defined by a radio transmission, shown schematically in Figure 1 and indicated globally by 2, although other types of connections can obviously be used current or future wireless devices equally suitable for this finish.

The environment control system 1 comprises substantially:

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a central control unit 3;

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one or more manual payment stations 4;

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one or more automatic payment stations 5;

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one or more museum 6 input / output control devices commonly called "turnstiles".

The number of manual payment stations 4, of 5 automatic payment stations, and control devices of entry / exit 6 obviously depends on the type of establishments in that the environment control system 1 be installed in accordance with the invention, and, in the example shown, of the number of rooms of controlled access in the museum.

The central control unit 3 is defined by a central processing unit commonly known as "server", which can be accessed remotely through the 2 wireless connection to perform various functions, for example, administration, control, reservations. Preferably, although not necessarily, the central control unit 3 can be accessed remotely via the Internet - shown schematically in Figure 1 and indicated globally by 10 - which is also would provide to perform any of the "activities" which in the language of computers are known as "Attractions of the network".

More specifically, to the control unit central can, for example, be accessed remotely through Internet by museum administrators to monitor the real-time assistance, and by private users and agencies trip to book visits to the museum, for example through a personal computer.

Each manual payment station 4, in addition to the routine functions such as controlling admission to the museum, Making reservations, and issuing tickets, also provides assistance from audio / video to the public inside the museum, as explained to continuation more clearly.

To do this, each manual payment station 4 It is equipped with a personal computer with a printer reservations and tickets, a radio antenna, a video screen, a Video camera, and a microphone.

For ease of transport and installation, Each manual payment station comprises an operator platform folding 120 x 80 cm. (standard size of a pallet) that can transported by a forklift. Figure 2 shows shows a manual payment station purely by way of example no limiting

Each automatic payment station 5, in addition to Routine functions such as receiving coins, banknotes bank or bank cards, give change, and issue notes, too provides video surveillance and audio functions in both directions, as explained more clearly below.

To do this, each paid station Automatic 5 is equipped with a processing unit for process user requests, a ticket printer, a radio antenna, a video camera and a microphone.

Control devices 6 are located at the entrances and exits of controlled access rooms - both inside as outside - the museum, and in addition to routine functions of allowing, or not, entering or leaving to or from the rooms in which are installed, also provide video surveillance and audio functions in both directions, as explained in more clarity below.

To do this, each control device 6 it comprises a banknote reader - preferably a banknote reader barcodes to read the printed barcodes on the bills when issued - a radio antenna, a camera Video and a microphone.

For ease of transport and installation, each device is at most 120 x 80 size (pallet standard). Figure 3 shows a control device of the previous type purely by way of non-limiting example.

According to an additional aspect of the present invention, the environment control system 1 also understands:

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one or more information devices and environment monitoring interior 7; Y

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one or more information devices and environment monitoring exterior 8.

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More specifically, the devices of information and monitoring of the indoor environment 7 are installed in locations selected appropriately in the inside the museum rooms, and each one provides the measurement of microclimate parameters, such as temperature and humidity of the air, air velocity, and atmospheric pressure, as well as surveillance of video and audio functions in both directions as Explain more clearly below.

To do this, each information device and monitoring of the interior environment 7 comprises a sensor of temperature, a humidity sensor, an anemometer, a sensor pressure, an information monitor connected to a computer staff, a radio antenna, a video camera, and a microphone.

Each information and monitoring device Internal 7 includes volumetric sensors for monitoring room security, and can be accessed externally through of the Internet, for example to allow central monitoring from the museum by special groups of firefighters. For example, continuously monitoring the temperature of the rooms in the museum, a fire can be detected immediately based on the rapid rise in temperature

Information and monitoring devices from outside environment 8 are installed in selected locations properly outside the museum rooms, and each provides measurements of microclimate parameters, such as the air temperature and humidity, air speed, and pressure atmospheric as well as video and audio surveillance functions in the two directions as explained more clearly to continuation.

To do this, each information device and external monitoring 8 comprises a temperature sensor, a humidity sensor, an anemometer, a pressure sensor, a monitor of information connected to a personal computer, a camera Video, and a microphone.

Each information and monitoring device outside environment 8 is conveniently also equipped with solar panels for powering all devices electronics with which it is equipped.

Each information and monitoring device of the interior and exterior environment 7 and 8 also includes a input / output interface for connection to other devices peripherals, and by which devices are controlled peripherals both depending on the microclimate parameters monitored as in response to operator orders.

More specifically, the interface of input / output includes:

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a analog input for local acquisition of any value analog supplied to the interface input (readings of the air temperature and humidity, air speed, and pressure atmospheric, etc.);

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a digital input to read the status (On / Off) of any digital control;

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a analog output to control any peripheral device connected to it through a controlled current output or voltage; Y

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a digital output to control any peripheral device connected to it by changing the On / Off status of the peripheral device.

More specifically, according to one aspect In addition to the present invention, each information device and monitoring of indoor and outdoor environment 7 and 8 provides through its input / output interface:

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on / off control of lights of the respective rooms;

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on / off control of lights of the showcases of the respective rooms;

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on / off control of alarms of the respective rooms;

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activation of power relays for the power supply of user devices in the room  respective;

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motor activation and power electrical through said power relays, for example, the electric motors that control the respective shutters and window blinds in the rooms, etc .; Y

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visual and / or audio control of the room by the video camera with which it is equipped.

The input / output interface of each information device and monitoring of the indoor environment and exterior 7 and 8 can be connected to peripheral devices and previous electrical / electronic devices on it wireless connection that connects the various subsystems of the environment control system 1, as shown in Figure 1, or for reasons of cost, by cable, in particular over a network of Ethernet / Intranet / Internet.

Figure 4 shows a device for information and monitoring of the environment of the previous type - be interior or exterior - purely by way of non-limiting example.

Finally, the environment control system 1 you can conveniently also use one or more area 9 guards, each equipped with a handheld computer (PDA), to perform various functions in addition to or in place of those performed by previous devices, for example, monitoring and opening or closing inputs / outputs, validating tickets, and monitoring the weather.

Figure 5 shows a flow chart of the operations performed by the operators of the payment station manual 4 or users of automatic payment station 5 for buy museum entrance tickets, and operations performed by the central control unit 3 in response to the operator or user action.

As shown in Figure 5, to begin with, the operator or user selects a ticket from those who are currently available as a function of the day, time and conditions of the weather (block 100).

A check is made to determine if the selected ticket is for a controlled access room inside or outside the museum (block 110). If not (exit NO from block 110), then this type of ticket is always available, and a check is made to determine if the type of ticket selected requires a specification (block 120). If the guy of selected ticket requires a specification or description for statistical purposes (exit SI in block 120), the operator or user selects one of the available descriptions (block 130), and enter a print command to print the ticket selected (block 140). On the contrary, if the type of ticket selected does not require a specification or description to statistical purposes (output NOT in block 120), the operator or user enter the ticket printing command directly (block 140).

Before the ticket is issued, a check to determine if, from the beginning of the sequence of buying the ticket, the ticket is still available, and if it is relevant, the climatic conditions are still favorable (block 150). If they are (SI exit of block 150), the ticket is issued (block 160) and the ticket purchase sequence ends. For him opposite (NO output of block 150), the purchase sequence of the ticket ends without issuing the ticket (block 170).

If the selected ticket is for a room controlled access, for example a room in which the entry to a maximum number of visitors at the time (IF departure from block 110), then the first available hour is searched with at minus one place (block 180), and a check is made to determine that the time exists (block 190).

More specifically, visitors can be of two types:

guided, ie visitor groups organized; or unguided, that is, admitted visitors individually. In the first case, availability depends on the number of tickets left for the selected time; at second case, the current availability depends on the capacity of the room minus the number of tickets sold and admitted, plus the number of tickets sold and not yet accepted, and less the number of tickets that have entered and left. In this case, the devices Control 6 does not simply validate tickets for the rooms individual, but also count the number of those who enter and leave to keep an accurate account of the number of visitors

If the searched time does not exist (exit NO from block 190), the ticket purchase sequence is terminated without issue the ticket (block 170).

On the contrary, if the time exists (exit YES of block 190), the operator or user is asked if it requires more of a ticket (block 200). If yes (exit SI of block 200), the operator or user is requested to enter the number of tickets required (block 210), the first available hour is searched with the number of tickets required (block 220), and a Check to determine if the time exists (block 230).

If the time does not exist (NO output of block 230), Ticket purchase is completed without issuing tickets (block 170).

On the contrary, if the time exists (exit YES of block 230), the user is asked whether or not to accept the time proposal (block 240). The same also applies in the event that only one ticket is required (exit NO of block 200).

If the user accepts the proposed time (departure IF from block 240), continue the sequence with the operations described above in relation to block 120; for him Otherwise, if the user does not accept the proposed time (departure NO from block 240), another time is searched with the required number of tickets (block 250), and a check is made to determine if the time exists (block 260).

If the time does not exist (exit NO of block 260), the ticket purchase sequence is finished without issuing the ticket (block 170); on the contrary (SI output of block 260), the operator or user type the new time (block 270), and continue the sequence with the operations described above in relation to to block 120.

Figure 6 shows a flow chart of the operations performed by central control unit 3 on the database of weather data provided by the devices external information and monitoring 8.

As shown in Figure 6, to begin with, it interrogate the various information and monitoring devices  outer 8 (block 300), and the values are acquired cyclically the air temperature, humidity and speed supplied by the 8 devices (block 310).

The average value of the air velocity (block 320) and is compared with a set threshold in the central control unit 3 (block 330).

If the average air velocity value is below or at most equal to the threshold set, a operation status check (deactivated / activated) of ticket devices (manual payment stations 4 and 5) automatic payment stations and control devices entrance / exit 6 to the museum (block 340).

If disabled, the devices control 6 are activated (block 350); and, if not disabled, the central control unit 3 is put on hold for a period of predetermined time (block 360), after which, the sequence with the operations described above with reference to block 300.

On the contrary, if the average value of the air speed is above the set threshold, it is determined the risk outside the museum rooms, for example, with a strong wind and excessively high temperature or humidity (block 370), manual payment stations 4 and payment stations automatic 5 are deactivated from the issuance of tickets for those private rooms (block 380), and control devices 6 that control the entrance to those particular rooms are deactivated to prevent access by the public (block 390).

The central control unit 3 goes to then wait for a predetermined period of time (block 360), after which, the sequence continues with the operations described above with reference to the block 300

Figure 7 shows a flow chart of the operations performed by central control unit 3 to control the museum's input / output control devices 6.

As shown in Figure 7, to begin with, it read the ticket inserted in the barcode reader of the control device 6 (block 400), and control device 6 identified (block 410).

A check is made to determine if the ticket inserted in the barcode reader is a public ticket or a museum operator's pass (block 420).

If it is determined to be an operator's pass, the operator is identified (block 430). If identification fails of the operator, the control device 6 is deactivated to prevent that the operator use that particular entrance / exit of the museum (block 440), a photo of the operator is taken by the surveillance system of video of the control device 6 and is recorded (block 450), and the attempt to enter / exit the operator is also recorded through of that particular input / output (block 460).

On the contrary, if it is identified, it is checked the operator's employment status - suspended / active work - (block 470).

If the operator is suspended, the device control is deactivated to prevent the operator from using that particular entrance / exit of the museum (block 480), and the sequence continue with the operations described above in relation to blocks 450 and 460. On the contrary, if you are in active work, the operator's access permission is checked (block 490).

If the operator is not authorized to access the room controlled by the device, the device is deactivated to prevent the operator from using that particular input / output of the museum (block 500), and the sequence continues with the operations described above with reference to blocks 450 and 460. By On the contrary, if the operator is authorized to access the room, the activated / deactivated operating status of the control device 6 (block 510). If previously deactivated for some reason, the control device 6 is activated (block 520), and the operator input / output is recorded (block 530).

On the contrary, if the ticket inserted in the barcode reader is a public ticket, a check to determine if it refers to an interior room or limited or unlimited capacity exterior (block 540).

If the ticket refers to a room of one unlimited capacity a check is made on the day refer the ticket (block 550).

If the ticket is not valid, for example the day on the ticket does not correspond to the current day, it is deactivated the control device 6 to prevent the bill bearer use that particular entrance / exit of the museum (block 560), it is taken a photo of the ticket holder by the surveillance system of video of the control device 6 and is recorded (block 570), and it also records the attempted entry / exit of the ticket holder (block 580).

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On the contrary, if the ticket is valid, it is say the day of the ticket corresponds to the current day, it Check the used / unused status of the ticket (block 590).

If the ticket has already been used, the control device 6 to prevent the ticket holder use that particular museum entrance / exit (block 600), and the sequence continues with the operations described above with relation to blocks 570, 580; while, if the ticket is not has still used, the access covered by the ticket is checked (block 610).

If the ticket does not cover access to the room controlled by device 6, the device is deactivated to prevent the ticket holder from using that entry / exit particular of the museum (block 620), and continues the sequence with the operations described above with reference to blocks 570 and 580. On the contrary, if the ticket covers access to the hall controlled by device 6, the status of device on / off operation (block 630). If it was previously deactivated for any reason, the device control 6 is activated (block 640), and the input / output of the ticket holder (block 650).

If the ticket refers to a capacity room limited, a check is made of the day to which the banknote (block 660).

If the ticket is not valid, that is the day of ticket does not correspond to the current day, the control device 6 to prevent the ticket holder use that particular entrance / exit of the museum (block 670), it is taken a photo of the ticket holder by the surveillance system of video of the control device 6 and is recorded (block 680), and the attempt of entry / exit of the bearer of the ticket (block 690).

On the contrary, if the ticket is valid, it is say the day of the ticket corresponds to the current day, it check the ticket time (block 700).

If the ticket is not valid, that is the time of the ticket does not correspond to the current time, the control device 6 to prevent the ticket holder use that particular entrance / exit of the museum (block 710), and continue the sequence with the operations described above with reference to blocks 680 and 690; while, if the ticket It is valid, that is, the time of the ticket corresponds to the time current, the used / unused status of the ticket is checked (block 720).

If the ticket has already been used, the control device 6 to prevent the ticket holder use that particular entrance / exit of the museum (block 730), and continue the sequence with the operations described above with reference to blocks 680 and 690, while, if the ticket has not been used yet, the access covered by the ticket is checked (block 740).

If the ticket does not cover access to the room controlled by device 6, the device is deactivated to prevent the ticket holder from using that entry / exit particular of the museum (block 750), and the sequence continues with the operations described above with reference to the blocks 680 and 690. On the contrary, if the ticket covers access to the room controlled by device 6, the status of device on / off operation (block 760). If it was previously deactivated for any reason, the device control is activated (block 770), and the input / output of the ticket holder (block 780).

Figure 8 shows a flow chart of the operations performed by operators or users on the input / output control devices of museum 6 and over outdoor and indoor information and monitoring devices 7 and 8 to communicate with the operators of the payment stations manual 4, and the operations performed by the control unit central 3 in response to the actions of the operator or user to allow interaction between previous devices and Operators of payment stations.

As shown in Figure 8, to begin with, the operator or user calls an operator of a paid station manual 4 from the museum input / output control device 6 or from an external monitoring and information device or interior 7 and 8 (block 800).

Next, the peripheral device from which the call is made (block 810), and a free manual payment station 4 is sought (block 820).

If a manual payment station is not found 4 free, it indicates that there are no operators available (block 830), the calling peripheral device is vacated (block 840), and it record the call (block 850).

On the contrary, if at least one is found free manual payment station 4, this one is occupied (block 860), and enable audio / video communication in the two directions between the peripheral device and manual payment station 4 (block 870) to enable the caller to contact the operator of the busy payment station (block 880).

At the end of the call, the operator of the manual payment station 4 cuts off communication with the device calling peripheral (block 890); the calling peripheral device and the manual payment station is vacated (blocks 900 and 910); and record the call (block 920).

The advantages of the present invention will result evident from the previous description.

In particular, when using communications wireless between the various control system subsystems according to the present invention its use is possible for Control access to any establishment. System according to the present invention, in fact, it is not only easy to transport, highly flexible, and adaptable to any establishment, but it can also be easily installed not requiring virtually wiring.

Obviously changes can be made in the control system described and illustrated in this document without depart, however, from the scope of the present invention as It is defined in the attached claims.

For example, given the rapid increase in e-commerce network sites, and those designed specifically to attract visitors and audience to the museums, theaters, concerts, etc., a paid station can be established "virtual" defined by an Internet site next to the manual and automatic payment stations in the museum, and allow user access to book and buy museum tickets for Half of a personal computer.

In this case, the museum ticket can defined by a virtual ticket obtained electronically, thus enabling the purchase of fully remote tickets at any time and from any place, at the discretion of the Username.

More specifically, the virtual ticket can defined substantially by a computer or an access permit electronic (duly encrypted for obvious security reasons), that can be received on the same means used to buy the ticket, for example, a personal computer or handheld (PDA), landline or mobile phone, or any other appropriate means.

Assuming the payment is insured, you can generate the permission to access the museum and send for the service from the reservation office, which can be an agency of its own museum, or an authorized agency capable of providing the service of general reservations, and that handles reservations, check the coverage, the payment of tickets, as well as the generation and transmission of virtual tickets to buyers using a proper protocol.

The museum access permit can be stored on a portable storage medium, and displayed or presented  at the entrance of the museum.

More specifically, the storage medium of the access permit can be conveniently defined by a contact or contactless "smart card" or a phone mobile.

The access permission stored on the medium storage can be presented in the same way as for the quick access to high traffic locations such as underground railways, chairlifts, highways (tele-toll), etc., that is to say by the interaction between the storage medium and a reader or access port electronic established at the entrance of the museum and / or various room tickets, and by which the check is checked and canceled access permit, and access by visual communication is allowed or appropriate audio.

Alternatively, the access permission can defined simply by an access code, which you type in a permission check device at the museum entrance or in the various entrances of the rooms, can be requested by a SMS message (Short System Message) and automatically obtained by an SMS reply message, and can be memorized or written on a piece of paper, that is, it does not need to be stored on a portable storage medium.

In addition, the central control unit can even connect to the Internet over the normal landline or mobile, and can be integrated directly into the payment stations, to Unlike those defined by an independent server.

Claims (15)

1. An environment control system (1) that understands: - means of issuing access permits (4, 5) configured to issue access permissions to the environment controlled, including each access permission information from access; - a means of reading the access permit configured to read the access information of these permissions of access; - an access control means (6) configured to control the passage through inputs / outputs of the environment checked; Y - a means of access management (3) connected to said means of issuing access permits (4, 5) and said access control means (6); said access control means including a plurality of access control devices (6) located, in use, at the respective inputs or outputs of said environment controlled, comprising access control devices (6) located, in use, in the respective entrances to said environment controlled the respective access permission readers configured to read the access information of these permissions of access; and including said access management means a central control unit (3) connected to said devices of access control (6) and to said means of issuing permits from access (4, 5) and configured to control the emission of said Access permits; characterized in that said central control unit (3) is connected to said access control devices (6) through the respective wireless connections and is configured to be able to access remotely via the Internet; and because said central control unit (3) It is also configured to identify the control device of accesses (6) comprising the access permission reader that has read the access information of an access permit, and enables / denies the passage through the entrance controlled by the identified access control device (6) based on the access information read and in the identity of said device access control (6). 2. A system according to claim 1, wherein said means of issuing access permits (4, 5) are connected to said central control unit (3) through a wireless connection (2). 3. A system according to claim 1 or 2, wherein said means of issuing access permits (4, 5) are located, in use, remotely to that environment checked. 4. A system according to claim 3, characterized in that said means of issuing access permits (4, 5) are on an Internet site. 5. A system according to claim 1 or 2, wherein said means of issuing access permits (4, 5) comprise payment means (4, 5) connected to said unit central control (3) via a wireless connection (2). 6. A system according to claim 5, wherein said means of payment comprises at least one station of manual payment (4). 7. A system according to claim 5 or 6, wherein said means of payment comprises at least one station automatic payment (5). 8. A system according to any one of the preceding claims, wherein said control means Access includes a turnstile means (6). 9. A system according to claim 8, wherein said tourniquet means comprises a tourniquet (6) for each controlled input / output of the controlled environment. 10. A system according to any one of the preceding claims, further comprising: - a means of monitoring the environment (7, 8); Y - an information medium (7, 8) configured to provide information regarding said controlled environment and / or its contents. 11. A system according to claim 10, wherein said means for monitoring the environment (7, 8) are configured to modify a state of that environment checked. 12. A system according to claim 11, wherein said means for monitoring the environment (7, 8) They are also configured to visually monitor and / or acoustically said controlled environment. 13. A system according to claim 11 or 12, wherein said means for monitoring the environment (7, 8) are also configured to monitor parameters of the microclimate of said controlled environment, comprising the temperature and air humidity, air speed, and pressure atmospheric 14. A system according to the claims 11 and 13, wherein said monitoring means of the environment (7, 8) are also configured to modify said status of said controlled environment based on the parameters of the microclimate monitored or in commands received. 15. A system according to any one of the preceding claims 10 to 14, wherein said means of environment monitoring (7, 8) and said information means (7, 8) are connected to said central control unit (3) through of a wireless connection.