CN2256564Y - Indoor radio remote controlled safety alarm device - Google Patents

Abstract

The utility model discloses an indoor radio remote controlled safety alarm device, relating to a receiver matched with an emitter which can be carried by users or hidden. The utility model is composed of a receiving end, a decoder, an encoder, a modulation power amplifier, and a buffer amplifier, wherein, the receiving end adopts a modular circuit of TWH631; the decoder is composed of a TWH9257 integrated element, triodes Q1-Q4, and relays J1-J4; the encoder adopts the TWH9256 integrated element; the input terminal of the modulation power amplifier is connected with the seventeenth foot of the encoder, and the output terminal of the modulation power amplifier is led to a center host computer monitoring system by the buffer amplifier and circuit transmission lines. The utility model can make indoor personnel quickly and reliably send out a recourse alarm signal to a security department when the indoor personnel encounters emergency accidents.

Description

Indoor wireless electrical remote control guard and alarm device

The utility model belongs to electronic technology field, relate to a kind of electronic monitoring warning device, particularly a kind ofly can be used for realizing that places such as residential neighborhoods and/or office buildings and hotel, restaurant concentrate the indoor wireless electrical remote control guard and alarm device of guard monitor management.

The interrelated data that provides according to public security department shows that most criminal offences are all in indoor generation.In the actual life, although a lot of people have installed advanced communication and panalarm such as phone, sonic alarm in office or room, the somebody also is equipped with portable modern communication instruments such as portable phone, intercom with oneself, but for those unexpected special circumstances, be subjected to as the person under hand-held lethal weapon ruffian's the threat even injury situation, the litigant wants almost cannot by phone or sonic alarm realization emergency alarm in moment or a few second.In addition, meaning from social security, along with the raising day by day of living standards of the people and the progressively decline of birthrate of population, the problem of social population's aging is outstanding, to such an extent as to have many young and middle-aged people possibly a people (or a couple) bear the responsibility of taking care of and supporting the multidigit old man simultaneously.Obviously and since take into account less than etc. factor, the old man that the orphan who divides with children occupies a residence has mishaies such as class such as sudden illness unavoidably and takes place, this moment be if can not outwards send the calling for help of requiring assistance in time, will cause affecting adversely even bringing accident to life of the state of an illness.In sum, for taking precautions against crime and helping the needs of aspect things such as society's rescue, develop a cover indoor guard and alarm devices practical, convenient, that be fit to national conditions as early as possible and be undoubtedly extremely useful.

The purpose of this utility model is to provide a kind of indoor wireless electrical remote control guard and alarm device that is applicable to that places such as residential neighborhoods and office are installed, and can set up into the indoor radio remote control alarming system (net) that a cover is suitable for general regional centralized guarding management by connected same central host supervising device by the such warning device of many pairs in the enforcement.In actual applications, utilize warning device provided by the utility model can make indoor occupant can be fast when running into sudden emergency, simply, send the alerting signal of seeking help to public security or social insurance rescue department reliably, so that obtain the relevant personnel's relief as soon as possible.

Be used to realize that the technical solution of foregoing invention purpose is such: this guard and alarm device is a receiver that the small-sized accent sign indicating number transmitter of carrying or be placed on indoor a certain specific place with the user is used, this receiver generally is installed on user's indoor wall or the roof snugly, and by circuited transmission and the central host supervising device connection that is located in security defence department or the social insurance relief department, it can and be sent to the central host supervising device with pulse code alerting signal demodulation that transmitter sent in the work.

Below with reference to accompanying drawing the utility model content is elaborated.

Fig. 1 is the principle of work block diagram that contains the indoor wireless electrical remote control security alarming system (net) of guard and alarm device described in the utility model.

Fig. 2 is the physical circuit figure of transmitter portion among Fig. 1.

Fig. 3 is that receiver partly is the physical circuit figure of guard and alarm device described in the utility model among Fig. 1.

Indoor wireless electrical remote control security alarming system (net) shown in Figure 1 is made up of transmitter 1, receiver 2 and central host monitoring (computer interface and signal Processing) part 3, wherein receiver 2 constitutes indoor wireless electrical remote control guard and alarm device described in the utility model, and transmitter 1 is supporting with it.Contain many group alarms device 2 and transmitter 1 at a cover security alarming system (net).

The project organization of transmitter 1 is (this structure is not as the claimed particular content of the utility model application case) as shown in Figure 2, includes eight four attitude scramblers of a TWH9256 type and a TWH630 pattern piece circuit that contains emitting antenna in it.The 1st～8 pin of TWH9256 type scrambler is the device code end.On the 10th～13 pin of TWH9256 type scrambler, respectively be connected with post a letter switch A, B, C, a D, the 10th～13 pin of scrambler also respectively inserts power end the 18th pin by a diode D1～D4 simultaneously, make it form a kind of four lines 16 attitude working mechanisms like this, promptly according to respectively post a letter switch A～D and diode D ₁～D ₄Connection whether 16 kinds of duties can be set at least, wherein by next switch, a kind of predetermined state work is arranged just.In the work, with TWH9256 scrambler modulation TWH630 carrier-frequency circuit, and by concealed antenna to spatial emission, transmitter current 4mA, 50～100 meters of transmitting ranges.Transmitter 1 is allotted to individual subscriber (full chamber people shared one or indoor all personnel respectively hold one) according to the concrete condition of indoor occupant by the security personnel, its volume is very little, half size of generally having only TV remote controller is suitable for that the user carries or in the hidden placement in indoor specific place.

The structure of receiver 2 is the claimed emphasis of the utility model application, and its principle as shown in Figure 3.It by receive 21, demoder 22, scrambler 23, modulation power amplifier follower 24 and buffering amplifier 25 form, wherein reception 21 is a TWH631 pattern piece circuit that includes receiving antenna; Demoder 22 comprises that a model is the integrated component of TWH9257, and the 1st～8 pin of this element is the device code end, and the 14th pin connects with the output terminal of TWH631 circuit, the 10th～13 pin triode Q that respectively stimulates the menstrual flow ₁～Q ₄Respectively with relay J ₁～J ₄The corresponding connection; Scrambler is made of a TWH9256 type element, its 10th～13 pin respectively with relay J ₁～J ₄Normally opened contact connect, other the 10th～13 pin is simultaneously also respectively by a diode D ₅～D ₈Enter power end the 18th pin, the 1st～8 pin welding system line of codes of TWH9256 element; The input end of modulation power amplifier follower 24 and 17 pin of scrambler 23 are connected, and output terminal is connected to circuited transmission 26 through buffer amplifier 25, lead to central host supervising device 3 then again.In the project organization of receiver 2, four output terminal T corresponding to post a letter in the transmitter 1 switch A, B, C, D are arranged in the demoder 22 ₁, T ₂, T ₃, T ₄(being the 10th～13 pin of TWH9257 element), like this when signal be provided with correct after, if after pressing the switch A key of TWH9256 circuit in the transmitter 1, the T of demoder 22 in the receiver 2 (TWH9257 circuit) ₁The current potential of end promptly changes, and transfers high level to by low level, other three output terminal T ₂～T ₄Keep ortho states constant.After transmitter 1 other three switch B～C key action, receiver 2 corresponding work states are analogized according to above-mentioned.Posting a letter, to divide the purpose of opening use mainly be not disturb (because the transmitter 1 that each household uses only works to own indoor receiver 2, other neighbours all not being had effect) when making user between different residences chamber or the Lou Yulou use transmitter 1 mutually for switch A, B, C, D.In receiver, use eight four attitude scramblers of TWH9256 again user's address code is determined, so that this sign indicating number is deposited in the computer software exactly by transmission line 26.In concrete the enforcement, receiver 2 is contained in (as long as be convenient to install, more hidden better) on the user indoor wall or roof, powers to 6V by the alternating current 220V rectifying and voltage-stabilizing that throws light at ordinary times.In order to prevent to have a power failure, should design the power supply plan of rechargeable battery, circuit will transfer powered battery automatically to behind the mains failure, so that receiver 2 remains on the accepting state of awaiting orders from start to finish.

Comprise parts such as code translator 31, storer 32, voice guard 33, display 34 and printer 35 in the central host supervising device 3, store the address code software that all hold transmitter 1 user in the storer, the pulse code signal of being sent here by warning device 2 transmission lines in the work is after host apparatus is handled, start the voice guard 33 of total control and monitor console on the one hand, on display 34, demonstrate warning people's place on the other hand, rush towards the site of the accident rapidly to transfer the relevant personnel.In the practical application, central host supervising device 3 can select for use single-chip microcomputer as commander's maincenter, and this technology is very ripe comparatively speaking, and this paper does not do at this and gives unnecessary details.

The concrete course of work of the present utility model is as described below.

When the user hold transmitter 1 press the A key (in fact in transmitter 1 by switch A～D and the diode D of will posting a letter ₁～D ₄The synthetic preassigned pattern of wiring group, make a button is only arranged on the transmitter of holding in each user's hand 1), the power connection of eight four attitude scramblers of TWH9256 in the transmitter 1, transmitter 1 is started working, then the pulse code by the line of codes defined removes to modulate the TWH630 carrier-frequency circuit, and by concealed antenna to the spatial emission signal.Because eight four attitude scramblers can be compiled out thousands of groups of unduplicated numbers, have so just strengthened the confidentiality of warning device command information.When receive in the receiver 2 21 receive the modulated codes signal of spatial transmission after, after amplifying shaping, inner demodulation exports by output terminal, decode for the TWH9257 circuit, when the coded order information in the transmitter 1 therewith circuit set digital consistent the time, the T of this circuit ₁Output terminal becomes high level, so Q ₁The triode conducting, J ₁The relay adhesive, thereby the TWH9255 element in the receiver 2 is started working, and the coding that sets by line of codes exports modulation power amplifier follower 24 to again through buffer amplifier 25 from 17 pin, and alerting signal is admitted to transmission line 26 then, finishes whole transmitting-receiving process.Here it needs to be noted: be that the TWH9256 circuit code is in order to prevent mutual interference mutually between the user with set sign indicating number for the TWH9257 circuit in receiver 2 in transmitter 1, so it is consistent with the setting sign indicating number that the coding of transmitter 2 should be noted coding, promptly need receiver 2 and transmitter 1 to complement one another, otherwise receiver 2 can't be worked; And utilize the coding that elements T WH9256 done (coding for the second time) in receiver 2 is user's warning address code, really is transferred in the central host supervising device and what placed on record by public security or insurance rescue department is this pulse code.

In the initial design scheme of said structure, the utility model applicant is as the transmission line of device with the lead of telephone wire class.In fact, according to the enlightenment of some existing mature technology, it also is fully feasible utilizing the indoor power power lead to transmit effective carrier communication signal.Notional result is indicated as the reliability that guarantees in power lead transmitting data communication, and the signal transmission rate of warning device should be less than 1.5Kbit/ second, and best transmission signal f is in 150～450KHz scope.For this reason, when adopting power lead as the warning device transmission line, intend the above-mentioned apparatus structure of reply and carry out following modification, it is the Carrier that modulation power amplifier follower 24 in the receiver 2 shown in Figure 3 adopts a kind of f=150～300KHz, and the back level buffer amplifier 25 of receiver 2 removed, replace a kind of suitable coupling mechanism, the input end of Carrier connects with the 17th pin of TWH9256 element in the scrambler 23, output terminal is transferred on indoor first wife's the power lead through coupling mechanism, and then leads to the central host supervisory system.Utilize power lead will make the installation of receiver 2 become quite simple (as a socket is installed) as the scheme of device transmission line, simultaneously also make receiver 2 used power supplys become very convenient, it can be directly with the 220V alternating current through bridge rectifier filtering with through the voltage stabilizing of first order stabilivolt, then again after 7806 voltage stabilizings of second level three-terminal regulator block, use on the power supply road.So because the general V Standby of receiver 2 is given a kind of uninterrupted power source of receiver 2 designs less than 2mA also is very necessary, when alternating current, the supplying apparatus circuit uses on the one hand like this, gives the rechargeable battery makeup energy on the other hand; And when no alternating current, device then can be converted into powered battery automatically.

Utilize device described in the utility model to realize that indoor warning is very easily for the user in fact, owing to transmitter 1 is carried for the user or placed in specific place, and as the receiver 2 of warning device be provided with more hidden, so just make the user might be in emergency circumstances alerting signal being sent to public security organ stealthily that criminal's act of violence tool is forced mutually; Even when indoor occupant is subjected to criminal's injury or meets sudden acute disease, as long as mind remains, the telepilot switch of carrying is pressed, his residing position and alerting signal just arrive on the control and monitor console of relevant department by transmission line rapidly, so the security personnel can the fastest speed rush towards the site of an accident, the discrepancy thoroughfare of blocking the site of the accident is to catch criminal or to enter the room and carry out personnel's rescue.

Claims (3)

1, a kind of indoor wireless electrical remote control guard and alarm device, it is a receiver (2) that the small-sized accent sign indicating number transmitter (1) of carrying or be placed on indoor a certain specific place with the user is used, it is characterized in that described receiver (2) by receiving head (21), a demoder (22), scrambler (23), modulation power amplifier follower (24) and cushion amplifier (25) and form, the reception head (21) in interior is a TWH631 pattern piece circuit that includes receiving antenna; Demoder (22) comprises that a model is the integrated component of TWH9257, and the 14th pin of this element connects with the output terminal of TWH631 circuit, the 10th～13 pin triode Q that respectively stimulates the menstrual flow ₁～Q ₄Respectively with relay J ₁～J ₄The corresponding connection; Scrambler (23) is made of a TWH9256 type element, its 10th～13 pin respectively with relay J ₁～J ₄Normal opened contact connect, other the 10th～13 pin is simultaneously also respectively by a diode D ₅～D ₈Enter the 18th pin; The input end of modulation power amplifier follower (24) and 17 pin of scrambler (23) are connected, and output terminal is connected on the circuited transmission (26) through buffer amplifier (25).

2, guard and alarm device as claimed in claim 1, it is characterized in that receiver (2) forms by receiving head (21), a demoder (22), scrambler (23), Carrier and coupling mechanism, the input end of Carrier connects with the 17th pin of TWH9256 element in the scrambler (23), and output terminal is connected on the indoor power line through coupling mechanism.

3, guard and alarm device as claimed in claim 1 or 2 is characterized in that receiver (2) is installed on indoor wall or the roof snugly.

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