CN2537074Y - Electronic safety alarm device with wall monitoring scope - Google Patents

Abstract

The utility model relates to an electronic anti-theft warning device with wall-shaped monitoring and controlling range, comprising a casing, a light hole, an infrared transmission film or a Fresnel lens, a thermal release electric sensor for infrared detection of human body, a printed circuit board, a loudspeaker and a plurality of wiring terminals, wherein, the circuit comprises the circuit of the thermal release electric sensor for human body detection, a magnification trigger circuit, an audible alarm circuit, a controlled switch circuit and a voltage-regulating power supply circuit. The utility model can be used for all day long even with people indoors, and has the advantages of simple structure, convenient utilization, large monitoring and controlling range, broad market prospect, reliable theft protection, no alarm missing, no false alarm and no long alarm, and is more particularly suitable for common families.

Description

Monitoring range is the burglar alarm of wall shape

(1) technical field:

The utility model is that monitoring range is the burglar alarm of wall shape, belongs to panalarm.

(2) background technology:

Present all kinds of burglar alarms that use, though various in style, with regard to the mode of its monitoring range, can reduce three kinds of dot type, wire formula and full solid space shape formulas.These three kinds of modes all respectively have its weak point: the sensitive range that dot type is promptly monitored only is a point (a for example alarm switch), so the effective monitoring scope is too little; The sensitive range that the wire formula is promptly monitored is a line (for example bumps disconnected young lead of just reporting to the police or cover the Infrared correlation alarm of just reporting to the police), the shortcoming of this alarm is that monitoring range is also little, when particularly this wire warning line has only one or two, easily striden across and cause and fail to report from this warning line by the criminal; Full solid space formula, promptly Jian Kong sensitive range often the weak point of this class burglar alarm of an overall space (for example microwave type, ultrasonic type, passive infrared formula etc.) be when the indoor one of own side of having, just can not use, otherwise will false alarm, the long warning.It is the same that its reason is that human body sensitive detection head can illuminate whole room just like the bulb in the room, and the people is influenced by it also must therein.One of this reason that also to be this class alarm be difficult to popularize in general family.

(3) summary of the invention:

The purpose of this utility model be exactly for overcome and solves have now all kinds of alarms exist effective monitoring range too little, easily cause and fail to report, or when the indoor one of own side of having, can produce false alarm, the long warning and be difficult to shortcoming and problem at aspects such as family's penetration and promotion application, and a kind of of development can not walked about by indoor occupant to influence, thereby is more suitable for the actual burglar alarm that uses its monitoring alarm scope as the wall shape of general family.

The utility model is realized by following technical proposals: monitoring range for its contour structures synoptic diagram of burglar alarm of " wall " shape as shown in Figure 1, its circuit block diagram as shown in Figure 2, the circuit theory diagrams of one of embodiment are as shown in Figure 3.In Fig. 1, the utility model is by the narrow square light hole 2 of strip shell 1 Long, infrared transmission film or Fresnel Lenses 3, the human body infrared-sensitive is surveyed pyroelectric sensor 4, the printed circuit board (PCB) 5 of electronic component is housed, alarming horn 6, controlled switch binding post 7 grades connect and compose jointly, the mutual alignment of its structure and annexation are: long flat square or similar strip shell 1, offer long narrow square light hole 2 below the shell 1, infrared transmitting film or Fresnel Lenses 3 are housed on the light hole 2, the printed-wiring board (PWB) 5 that has welded electronic component is housed in the shell box, one or more human body infrared sensitive detection pyroelectric sensors 4 also are housed on the printed-wiring board (PWB) 5, and loudspeaker 6 are installed on a side of shell 1 and are connected with respective point on the printed-wiring board (PWB) 5.Controlled switch binding post 7 is loaded on the side of shell 1 and is connected with respective point on the printed-wiring board (PWB) 5.Its circuit aspect is by the human body pyroelectricity sensor circuit, amplify trigger circuit, the audible alarm circuit, the controlled switch circuit, voltage-stabilized power supply circuits etc. connect and compose jointly, its interconnected relationship is: one or more human body pyroelectricity sensor circuits are electrically connected with the corresponding trigger circuit signal input part that amplifies mutually by its signal output part respectively, each amplifies the trigger circuit output terminal and all is electrically connected mutually with audible alarm circuit signal input end and controlled switch signal input part, loudspeaker are electrically connected mutually with audible alarm circuit signal output terminal, controlled switch circuit signal input end is electrically connected mutually with each output terminal that amplifies trigger circuit, the controlled switch binding post is electrically connected mutually with each respective point in the controlled switch circuit, and voltage-stabilized power supply circuit is electrically connected with each circuit that needs direct current supply mutually by power supply output line respectively.In Fig. 3 of one of embodiment: human body pyroelectricity sensor electrical route human body pyroelectric infrared sensor T1～TN, the common connection of resistance R A1～RAN, capacitor C A1～CAN, CB1～CBN are purchased; Amplify trigger circuit by ic chip A1～ICAN, diode D1～DN, connect and compose jointly; The audible alarm circuit is connected and composed jointly by resistance R B1, triode Q1, warning ic chip B1, resistance R B2, RB3, triode Q2, audible alarm loudspeaker Y.The controlled switch circuit is connected and composed jointly by resistance R B4, triode Q3, Q4, relay coil J, relay controlled switch KJ, post head N 1, N2, N3, and voltage-stabilized power supply circuit is connected and composed jointly by direct supply E, integrated package of pressure-stabilizing ICB2, filter capacitor CC1, CC2.

Simple principle of work of the present utility model is as follows: because the utility model has adopted rectangular flat metal or the long box of plastics to make shell, and human body sensitive element pyroelectric sensor is loaded on the top away from strip box opening, add the effect of blocking of rectangular flat metal or plastic casing, make " wall " that human body monitoring sensitive range can only be formed by the long square strip opening scope of bottom the responsive monitoring range of shape.For example door is gone up or the top, position of window top or other processes that someone will that need monitor in the use this device to be installed on human body the only way which must be passed, when the human body process is somebody's turn to do " wall " shape sensitivity monitoring range, will be detected and export a feeble signal by relevant human body infrared acquisition sensitive element pyroelectric sensor, this signal output one direct current voltage after interlock circuit amplifies makes triode Q1 conducting on the one hand, thereby make audible alarm IC circuit B1 work and through loudspeaker output sound alerting signal, to play to the effect of threatening of warning of gate-crasher with to owner's notice warning effect, and on the other hand, also make triode Q3 by relevant DC voltage of amplifying trigger circuit output, Q4 saturation conduction and make relay coil J get electric adhesive, and make controlled switch KJ action.Utilize this controlled switch to can be used as also that automatic control wireless transmit is reported to the police or the control phone is made multiple uses such as automatic dialing alarm.Thereby reach the purpose of burglar alarm.

The utility model is compared with existing all kinds of burglar alarms, have following advantage and beneficial effect: (1) is because the utility model adopts integrated circuit, so line construction is simple, add the responsive monitoring alarm scope of unique " wall " shape, so also can whole day use when within doors the one of own side being arranged, be particularly suitable for popularizing general family and use; (2) since this device be loaded on human body go into room the only way which must be passed or go into the room must through position top, do not fail to report so can not cause, and because its responsive monitoring range be " wall " shape, so " wall " can be not influenced when promptly having the one of own side to walk about in addition within doors and produce the bad phenomenon of false alarm and long warning yet.(3) except that being particularly suitable for the use of general family, also can utilize a plurality of the utility model devices to be combined into the monitoring of random length " wall " very easily.Or " the electronic monitoring enclosure wall " of the big monitoring range of forming by these monitoring of multiaspect " wall "; For example can be used for the on duty of the orchard stage of ripeness or be located at the transit depot of ward on duty etc.Solved the shortcoming problem that existing alarm exists preferably.

(4) description of drawings:

Below Figure of description is described further as follows: Fig. 1 is that monitoring range is the contour structures synoptic diagram of the burglar alarm of " wall " shape; Fig. 2 is its circuit block diagram; Fig. 3 is the circuit theory diagrams of one of its embodiment.Among Fig. 1; The 1st, strip shell, the 2nd, strip light hole, the 3rd, infrared transmission film or Fresnel Lenses, the 4th, human body infrared-sensitive pyroelectric sensor, the 5th, printed circuit board (PCB), the 6th, alarming horn.The 7th, the controlled switch binding post.

(5) embodiment:

The applicant thinks; It is as follows to realize that optimal way of the present utility model can be: (1) is by shown in Figure 1, length according to required responsive monitoring " wall " is carried out the shell box that Design and Machining is produced this device, for example can select for use sheet metal to shape or select for use engineering plastics by required size and make the long box 1 of shell of corresponding size with injection moulding process, (2) draw printed-wiring board (PWB) shown in Fig. 2 principle or Fig. 3 embodiment.And screen components and parts connection is installed, for example: human body pyroelectricity sensor T1, T2,----TN can select the P2288 type for use, and ic chip A1, ICA2----ICAN can select CK-8 type special module for use; ICB1 can select the alert acoustic alarm special module of HT2812 type for use, and ICB2 can select HT7130 type integrated package of pressure-stabilizing for use; Triode Q1, Q2, Q3, Q4 can select 8050 types for use, and alarming horn can be selected 16 Europe toy trumpets for use, and relay can be selected the JQ-3 type for use; (3) install circuit board and after powering up debugging, just can be installed in the shell 1; (4) by the described position of top instructions annexation connection is installed, infrared transmission film or Fresnel Lenses 3 are loaded on the light hole 2 of shell box 1, and the number of the human body infrared-sensitive pyroelectric sensor 4 of adorning is decided or is supplied to select for use by being prefabricated into plurality of specifications from short to long by the concrete length of required responsive monitoring " wall " fully.Pyroelectric sensor 4 is loaded on the top away from strip opening 2, so just can realize the utility model preferably.(5) this device is installed on the door top of need monitoring or the top, position of window top or other processes that may someone will that need monitor.So just reach research and design purpose of the present utility model fully.

Claims (1)

1, a kind of monitoring range is the burglar alarm of wall shape, it is characterized in that: it is by strip shell 1, strip light hole 2, infrared transmission film or Fresnel Lenses 3, the human body infrared-sensitive is surveyed pyroelectric sensor 4, the printed-wiring board (PWB) 5 of electronic component is housed, alarming horn 6, controlled switch binding post 7 grades connect and compose jointly, the mutual alignment of its structure and annexation are: the light hole 2 that offers strip below the strip shell 1, infrared transmission film or Fresnel Lenses 3 are housed on the light hole 2, the printed-wiring board (PWB) 5 that has welded electronic component also is housed in the shell 1, one or more human body infrared-sensitives also are housed on the printed-wiring board (PWB) 5 survey pyroelectric sensor 4, loudspeaker 6 are installed on a side of shell 1, and controlled switch binding post 7 is installed on the side of shell 1; Its circuit aspect is to be connected and composed jointly by human body pyroelectricity sensor circuit, amplification trigger circuit, audible alarm circuit, controlled switch circuit, voltage-stabilized power supply circuit etc.; Its interconnected relationship is: the signal output part of one or more human body pyroelectricity sensor circuits is electrically connected mutually with the corresponding signal input part that amplifies trigger circuit, each output terminal that amplifies trigger circuit is electrically connected mutually with the input end of audible alarm circuit and controlled switch circuit, loudspeaker are electrically connected mutually with audible alarm circuit signal output terminal, the controlled switch binding post is electrically connected mutually with each respective point in the controlled switch circuit, and voltage-stabilized power supply circuit is electrically connected with each circuit that needs direct current supply mutually by power supply output line respectively.