CN201274093Y - Alarm - Google Patents
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- Publication number
- CN201274093Y CN201274093Y CNU2008200953676U CN200820095367U CN201274093Y CN 201274093 Y CN201274093 Y CN 201274093Y CN U2008200953676 U CNU2008200953676 U CN U2008200953676U CN 200820095367 U CN200820095367 U CN 200820095367U CN 201274093 Y CN201274093 Y CN 201274093Y
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- alarm
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- control chip
- circuit
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Abstract
The utility model relates to an alarm, comprising a shell, a panel, a protecting cover, functional keys and a circuit board; wherein, the circuit board is provided with a detecting alarm testing circuit; the functional keys are connected with the detecting alarm testing circuit which comprises a power supply, a rectifying voltage-stabilizing circuit, a main control chip, a magnetic control tube, a power amplifier circuit, a loudspeaker, an alarm LED circuit, and a setting LED circuit; wherein the power is connected with the main control chip by the rectifying voltage-stabilizing circuit; the main control chip is also connected with the magnetic control tube, the alarm LED circuit, the setting LED circuit and the power amplifier circuit respectively and is connected with the loudspeaker by the power amplifier circuit; wherein, the magnetic control tube is magnetically controlled by a corresponding magnetic paste so as to realize the switching on or off state.
Description
Technical field
The utility model relates to electronic alarm technique, is meant that mainly a kind of change in resistance by detection magnetic signal or infrared signal realizes the alarm of reporting to the police.
Background technology
At present, the usable range of alarm is more and more wider, in the door of buildings, window and vehicle antitheft.Chinese patent notification number CN2842586Y discloses a kind of door and window alarm, this alarm comprises a warning circuit that is made of hummer, magnetic control trigger switch assembly, music ic, K switch 1, wherein magnetic control trigger switch assembly is formed by a magnetic element with the metallic elastic switch that this magnetic element is oppositely arranged, at magnetic element during near the metallic elastic switch, contact contact or disconnection in the metallic elastic switch realize warning function.Chinese patent notification number CN2891121Y discloses a kind of magnetic control door and window alarm, this alarm mainly is made up of the permanent magnet duplicate that the main part that has tongue tube and being used to is controlled tongue tube, tongue tube is drawn from the inside of main part housing, be movably connected on the outside surface of main part housing, make tongue tube on the basis that with the main part housing is carrier, enlarge its scope of activities, guaranteed that tongue tube is in effective range of control of permanent magnet.
Above-mentioned public technology function singleness, circuit is too simple, does not have measuring ability, can not Long-distance Control, circuit is damaged easily, does not therefore have burglar alarm effect well.
Summary of the invention
The purpose of this utility model provides a kind of alarm method and alarm thereof, by the detection alarm test circuit is set, whether the resistance that can detect input resistance is normal, can effectively prevent artificially to damage of circuit, realize many occasions, multi-functional, long-distance alarm effect, overcome the deficiency that existing alarm exists effectively.
Realize that method of the present utility model is: this method relates to the resistance that detects input resistance, and this method comprises:
The detection alarm test circuit is set;
Magnetic control inductive switch or infrared switch are set in the detection alarm test circuit;
Under magnetic force or infrared induction, magnetic control inductive switch or infrared switch in the detection alarm test circuit are switched on or switched off;
Whether the resistance that the detection alarm test circuit detects input resistance is normal;
When the input resistance departs from the scope of standard value setting, report to the police or demonstration.
This method also comprises:
The action push switch, circuit activates, and enters show state, and circuit begins scanning sample;
When the detection input resistance met the requirements, green light was lighted, and prompting is normal;
When the detection input resistance was undesirable, green light extinguished, and expression is unusual.With
When show state is worked, the action push switch, circuit enters alarm condition;
Meet the requirements when detecting input resistance, red light is in blink states;
Input resistance is undesirable when detecting, circuit alarm, and hummer sounds, and red light is lighted, and alarm relay output is normally opened track circuit by normally closed changing into.At this moment, input resistance returned to required value after, press reset switch again, system just stops to report to the police, and recovers normal condition.
The realization the technical solution of the utility model is: this alarm comprises housing, panel, protecting cover, function button and wiring board, wherein wiring board is provided with the detection alarm test circuit, function button joint detection ann test circuit, described detection alarm test circuit comprises power supply, regulator rectifier circuit, main control chip, magnetron, power amplifier, loudspeaker, the warning led circuit, led circuit is set, wherein power supply connects main control chip through regulator rectifier circuit, this main control chip also connects magnetron respectively, connect the warning led circuit, connect led circuit is set, connect loudspeaker through power amplifier, the magnetic force that wherein said magnetron is pasted by corresponding magnetic is controlled, and realizes disconnecting or on-state.
This technical scheme also comprises:
Described detection alarm test circuit is provided with external magnetron signal input part and external magnetron signal output part, and this external magnetron signal input part ann test circuit after testing connects external magnetron signal output part.
Described function button is provided with the Bypass Control state position, the state position is set, alarm condition position and off-state position.
The resistance of described magnetron is identical with the resistance that corresponding controlled magnetic pastes.
When described function button was pinned 5 seconds continuously, main control chip was rung and emergency alarm relay output is normally opened track circuit by normally closed changing into through the power amplifier control loudspeaker.
Described magnetron and magnetic paste and can replace with infrared ray reception and power valve.
Described detection alarm test circuit is provided with the external direct current power supply port.
Described detection alarm test circuit is provided with built-in magnetron contact.
Described detection alarm test circuit is provided with external magnetron contact.
Described detection alarm test circuit is provided with the magnetic resistance value and adjusts contact.
Described detection alarm test circuit is provided with the adjustment contact that the alarm condition pilot lamp is opened or closed.
In the described detection alarm test circuit, magnetic signal magnetron one end connects battery through resistance R 2 and rectifying and voltage-stabilizing module U1, its other end respectively through diode D1 connect main control chip IC1 pin 5 and through parallel connection switch S 1 is set and resistance R 2 connects main control chip IC1 pin 2, main control chip IC1 pin 4 connects battery through capacitor C 1 and rectifying and voltage-stabilizing module U1, main control chip IC1 pin 6 connects triode Q6 base stage through resistance R 10, triode Q6 collector is connected across relay K 1 coil two ends through diode D5, relay K 1 switch connects magnetic signal output, main control chip IC1 pin 8, pin 9, pin 10 meets flasher S3 respectively, reset switch S2, power switch S5, main control chip IC1 pin 12 is through capacitor C 5, resistance R 7, triode Q1 and transformer T1 meet loudspeaker SP, main control chip IC1 pin 13 is through resistance R 9, triode Q3, resistance R 5, triode Q5 and resistance R 3 sending and receiving optical diode D3, main control chip IC1 pin 14 is through resistance R 8, triode Q2, resistance R 4, triode Q4 and resistance R 6 sending and receiving optical diode D2.
In the described detection alarm test circuit, main control chip IC1 pin 4 connects external power supply through capacitor C 1, rectifying and voltage-stabilizing module U1 and rectifying and voltage-stabilizing module U2, diode D4.
The beneficial effect that the utlity model has: can plug into single or a plurality of inductors of connecting; Can external any resistance value loop or normally closed circuit; Built-in interchangeable lithium type battery or external power supply; Can do the output of pulling of bypass and emergency alarm; The warning system of can plugging into; The full room face of pulling is integrated; Concealed replacement button, the installation of raising safe effect is simple and function is complete.
Description of drawings
Fig. 1 is a general structure assembling decomposing schematic representation of the present utility model.
Fig. 2 is a wiring board synoptic diagram among Fig. 1.
Fig. 3 is the circuit theory diagrams of Fig. 2.
Among the figure: 1 protecting cover, 2 function buttons, 3 panels, 4 wiring boards, 40LED lamp, 41 hummers, 42 are reset and are pulled, 43 alarm condition nodes, the normally closed node of 44 inputs, 455 seconds warning nodes, 46 signal output node, 47 dry cells, 48 external inductive switch nodes, 49 external power supply nodes, 5 housings.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further:
As shown in the figure, this alarm can have two kinds of versions according to different purposes, a kind of is mini, another kind is the face type of pulling, what this accompanying drawing was described is the face type of pulling, this face type alarm of pulling is mainly by protecting cover 1, function button (face of pulling-resilience button) 2, panel 3, wiring board 4 and 5 housings are formed, on wiring board 4, also be provided with LED lamp 40, hummer 41, replacement pulls 42, alarm condition node 43, import normally closed node 44,5 seconds warning nodes 45, signal output node 46, dry cell 47, external inductive switch node 48 and external power supply node 49, wherein: function button 2 clicks the function into BYPASS (bypass), by second time is SET (setting) function, by the 3rd time is ALARM (warning) function, is OFF (turning off) by the 4th time; In establish RESET (replacement pulls 42); Alarm condition node 43, controlling the ALARM shape of pulling is OFF (turning off); In establish RESET (replacement pulls 42); Whether alarm condition node 43, control pull under the ALARM state red lamp flass; Import normally closed node 44, controlling 2 inputs is normally closed NC or 2K (also can be other value) the normally closed loop of resistance value; 45,2 urgent signal outputs of 5 seconds warning nodes often will be exported emergency alarm signal NC-NO by 5 seconds; External power supply node 49 can be imported by external permanent power source 12V direct current; External inductive switch node 48, normally closed NC of external magnetic control inductive switch or 2K resistance loop; Signal output 46 is used for external magnetic control inductive switch.
The circuit working principle:
This circuit is the detection alarm test circuit, fundamental purpose is the resistance whether normal (being defaulted as the 2K resistance) that detects input resistance, change detection by built-in switch and be input as 0 ohm still 2000 ohm, the 3V battery is adopted in power supply, burning voltage output is arranged in the wiring board, and circuit is by constantly sampling to the importation, and whether the continuous monitoring of microprocessor meets the requirements, depart from standard value when the importation and surpass 20%, system alarm or demonstration.Reporting to the police or showing changes by push switch, powers at off-mode, and system is in power down mode, and electric current is less than 1UA, when the action push switch, system activates, and enters show state, and system begins scanning sample, meet the requirements when detecting input resistance, green light is lighted, and prompting is normal.When undesirable, green light extinguishes, and expression is unusual.
In the time of show state work, the action push switch, system enters alarm condition, meet the requirements when detecting input resistance, whether red light is blink states (can glimmer by short circuiting switch control), and input resistance is undesirable when detecting, system alarm, hummer sounds, and red light is lighted, at this moment, after input resistance must being returned to required value, press reset switch again, system just stops to report to the police, and recovers normal condition.
In alarm condition, action push switch, system closedown.
Characteristics:
The face type of pulling OFF----〉BYPASS----〉SET----〉ALARM.
Mini OFF----〉SET----〉ALARM.
1. can select to respond to the circuit of 2K or other resistance value;
2. can be before 2 kinds of warning horns are set predetermined or check whether the normally closed circuit of normally closed/2K is got ready and just open alarm by the SET position earlier to the ALARM state of setting up defences;
3. simultaneously can be on an alarm with the circuit of built-in magnetron or external other inductor;
4. the face type of pulling alarm has two group alarm switches to recognize to examine output;
1) the external inductor output when reporting to the police of plugging into;
2) emergency alarm output;
When long by carrying the emergency alarm output meeting of pulling when reaching 5 seconds by NC (normally closed)--NO (often opening);
6. when alarm is set to BYPASS (bypass) pattern, the 1st) group output can be to keep normally closed NC;
7. two kinds of alarms all need replacement just can stop alarm;
8. but the face type of pulling alarm external power supply power supply.
Claims (12)
1, a kind of alarm, comprise housing, panel, protecting cover, function button and wiring board, wherein wiring board is provided with the detection alarm test circuit, function button joint detection ann test circuit, it is characterized in that described detection alarm test circuit comprises power supply, regulator rectifier circuit, main control chip, magnetron, power amplifier, loudspeaker, the warning led circuit, led circuit is set, wherein power supply connects main control chip through regulator rectifier circuit, this main control chip also connects magnetron respectively, connect the warning led circuit, connect led circuit is set, connect loudspeaker through power amplifier, the magnetic force that wherein said magnetron is pasted by corresponding magnetic is controlled, and realizes disconnecting or on-state.
2, alarm as claimed in claim 1, it is characterized in that described detection alarm test circuit is provided with external magnetron signal input part and external magnetron signal output part, this external magnetron signal input part ann test circuit after testing connects external magnetron signal output part.
3, alarm as claimed in claim 1 is characterized in that described function button is provided with the bypass condition position, the state position is set, off-state position and alarm condition position.
4, alarm as claimed in claim 1, the resistance that it is characterized in that described magnetron is identical with the resistance that corresponding controlled magnetic pastes.
5, alarm as claimed in claim 1, when it is characterized in that described function button is pinned 5 seconds continuously, main control chip is rung and alarm relay output was opened by normally closed often transferring to through the power amplifier control loudspeaker.
6, alarm as claimed in claim 1 is characterized in that the subsides of described magnetron and magnetic can replace with infrared and receiving tube.
7, alarm as claimed in claim 1 is characterized in that described detection alarm test circuit is provided with the external direct current power supply port.
8, alarm as claimed in claim 1 is characterized in that described detection alarm test circuit is provided with built-in magnetron contact.
9, alarm as claimed in claim 1 is characterized in that described detection alarm test circuit is provided with external magnetron contact.
10, alarm as claimed in claim 1 is characterized in that described detection alarm test circuit is provided with the magnetic resistance value and adjusts contact.
11, alarm as claimed in claim 1, it is characterized in that in the described detection alarm test circuit, magnetic signal magnetron one end connects battery through resistance R 2 and rectifying and voltage-stabilizing module U1, its other end respectively through diode D1 connect main control chip IC1 pin 5 and through parallel connection switch S 1 is set and resistance R 2 connects main control chip IC1 pin 2, main control chip IC1 pin 4 connects battery through capacitor C 1 and rectifying and voltage-stabilizing module U1, main control chip IC1 pin 6 connects triode Q6 base stage through resistance R 10, triode Q6 collector is connected across relay K 1 coil two ends through diode D5, relay K 1 switch connects magnetic signal output, main control chip IC1 pin 8, pin 9, pin 10 meets flasher S3 respectively, reset switch S2, power switch S5, main control chip IC1 pin 12 is through capacitor C 5, resistance R 7, triode Q1 and transformer T1 meet loudspeaker SP, main control chip IC1 pin 13 is through resistance R 9, triode Q3, resistance R 5, triode Q5 and resistance R 3 sending and receiving optical diode D3, main control chip IC1 pin 14 is through resistance R 8, triode Q2, resistance R 4, triode Q4 and resistance R 6 sending and receiving optical diode D2.
12,, it is characterized in that in the described detection alarm test circuit that main control chip IC1 pin 4 connects external power supply through capacitor C 1, rectifying and voltage-stabilizing module U1 and rectifying and voltage-stabilizing module U2, diode D4 as claim 1 or 11 described alarms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200953676U CN201274093Y (en) | 2008-07-11 | 2008-07-11 | Alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200953676U CN201274093Y (en) | 2008-07-11 | 2008-07-11 | Alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201274093Y true CN201274093Y (en) | 2009-07-15 |
Family
ID=40884436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200953676U Expired - Fee Related CN201274093Y (en) | 2008-07-11 | 2008-07-11 | Alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201274093Y (en) |
-
2008
- 2008-07-11 CN CNU2008200953676U patent/CN201274093Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090715 Termination date: 20110711 |