CN85200873U - Cryptographic warning device of steal and fire precaution - Google Patents
Cryptographic warning device of steal and fire precaution Download PDFInfo
- Publication number
- CN85200873U CN85200873U CN 85200873 CN85200873U CN85200873U CN 85200873 U CN85200873 U CN 85200873U CN 85200873 CN85200873 CN 85200873 CN 85200873 U CN85200873 U CN 85200873U CN 85200873 U CN85200873 U CN 85200873U
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- warning device
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- detection system
- smoke detection
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Abstract
The utility model discloses a cryptographic warning device of steal and fire precaution belonging to the warning device of steal and fire precaution which can send out warning signal and can speak automatically and talk back wirelessly, and is aimed to obtain the functions of anti-theft and fireproof, stop false warning effectively, send out warning signal, and speak automatically and talk back wirelessly to the related departments. The utility model comprises an anti-theft coding circuit, a fireproof smoke detection system, a sound warning system, an automatically speaking and talking back wirelessly device and a power source. The probe of the fireproof smoke detection system is a line type smoke probe, and the power source is provided with an AC and DC automatically changing-over device.
Description
The utility model belongs to the indoor anti-theft fireproof warning device that can send alerting signal and can give orders or instructions to carry out wireless talkback automatically.
Existing indoor burglar alarm is generally various contactless gauge tap harmony (light) panalarm on the door and window that is installed in the room that need be guarded against, as long as when someone (anyone) opens door and window, can start contactless gauge tap harmony (light) warning system, send alerting signal, just belong to the burglar alarm of this form as " house dog " formula alarm in the window curtain type burglar alarm of Germany and Hong Kong.Though the burglar alarm of this form is simple in structure, cheap, it can not differentiate owner and robber, thereby very easily causes false alarm, and must have special Security Services on duty.In order to solve the problem of false alarm, can adopt the method for mould/number conversion, certain information (for example owner's fingerprint) of owner is stored as distinguished symbol, when detection system detects the information identical with canned data, can send the instruction of opening door, the cost of this way is very high.Also having a kind of way is to adopt so-called space-time code electronic lock (electronics newspaper in 1984), and the repetition rate of this electronic lock can be done very lowly, but can not work when mains failure, even thereby the owner in room also can't open door.
Existing indoor fire safety warning device is nothing more than explosion-proof, the anti-jet of inflammable gas molecular conecentration in a warm type and some smoke-type warning device and the monitoring air, this class device generally all adopts heat-sensitive type or air-sensitive formula temperature sensor as a type probe, with regard to its used testing circuit nothing more than the alternating current-direct current feedback amplifier that is various classics.The shortcoming of this class device is that the monitoring range of some type probe is very little, and the circuit working instability is subject to outside electromagnetic interference and causes false alarm.
The purpose of this utility model is to design a kind ofly to have burglar alarm and two kinds of functions of fireproof alarming concurrently, the fireproof monitoring scope is big and can prevents the indoor anti-theft fireproof warning device of false alarm effectively, this warning device audible alarm takes place in can also with public security organ or the fire department wireless talkback of giving orders or instructions automatically, even and also can operate as normal under the situation of mains failure.
Above-mentioned indoor anti-theft fireproof warning device is by antitheft coding circuit, fire prevention smoke detection system, audible alarm system, five parts of wireless interspeaker and power supply of giving orders or instructions are formed automatically, and its principle of work block scheme as shown in drawings.Antitheft coding circuit comprises contactless gauge tap (1), single bistable trigger-action circuit (2), cipher key (3) and cipher key socket (4).Contactless gauge tap (1) is installed on the door and window in the room that need be guarded against, and its safe stroke can adapt to various forms of door and windows and weather conditions.When door and window was opened, contactless gauge tap (1) was promptly to pulse signal of single bistable trigger-action circuit (2) output or step signal.Cipher key (3) is 13 special contact self-locking cipher keys, and password is packed into when dispatching from the factory in the key.Cipher key socket (4) is installed on the doorframe in the room that needs warning, with the safety in the dual pulpit of original door lock.When cipher key inserted socket, trigger circuit (2) can not be triggered by any pulse signal of contactless gauge tap (1) output, if but when having the people to prize socket or unrest to key, then can produce pulse enable signal trigger circuit once inside out.The fire prevention smoke detection system comprises line style smog probe (5) and Smoke Detection circuit (6), line style smog probe (5) is made up of spot light lamp bulb and photoelectric device, spot light lamp bulb is installed on the wall of an indoor side, and photoelectric device then is installed on the wall on spot light lamp bulb opposite and with the light that spot light lamp bulb is taken place and aims at.If there is smog to produce (when promptly the condition of a fire taking place) in the air between spot light lamp bulb and the photoelectric device, then cause photoelectric device photocurrent variation and to Smoke Detection circuit (6) output one electric signal.The monitoring distance of this line style smog probe can reach 100 meters, and this has just expanded its monitoring range greatly than a smoke-type probe.The output signal of antitheft coding circuit and fire prevention smoke detection system all is input to audible alarm system (7) and the wireless interspeaker (8) of giving orders or instructions automatically, and the sound equipment of audible alarm system can send the intermittence acoustic alarm signal of intensity greater than 200dB.Automatically the wireless interspeaker of giving orders or instructions can be launched the carrier wave of two kinds of frequencies, can be transmitted into public security organ or fire department according to stealing the automatic station address amplitude modulation of selecting wherein a kind of carrier wave to record in advance of the feelings or the condition of a fire, make public security organ or fire department in time obtain stealing feelings or condition of a fire report, and accurately know the incidence of criminal offenses place, carry out the preparation of setting out.Automatically the wireless interspeaker of giving orders or instructions also is equipped with change-over switch, change by microphone for the user cuts off tape input and to import, so that, promptly quote the user's of prior agreement secret numbering just in case in time make an explanation under the situation of generation false alarm to public security department or fire department.If nobody makes explanations or interrupts suddenly reporting to the police in the time of agreement, then public security organ or fire department can be set out immediately according to the newspaper address.The effective radius of this wireless interspeaker of giving orders or instructions automatically can reach 3 kilometers.Power supply is equipped with the alternating current-direct current automatic switching control equipment in (9), adopts mains-supplied generally speaking, can automatically switch to direct supply (battery) power supply when mains failure, continues to keep the operate as normal of warning device.
Above-mentioned warning device is owing to including antitheft coding circuit and fire prevention smoke detection system, so have concurrently antitheft and two kinds of functions of fire prevention; Again owing to being equipped with cipher key and the socket that matches with coding circuit, so it can prevent false alarm effectively; Adopt line style smog probe to put the scope that the smog probe has been expanded monitoring greatly; Owing to be equipped with the audible alarm system and the wireless interspeaker of giving orders or instructions automatically, not only acoustic alarm signal be can send on the spot, and can in time public security organ or fire department be reported respectively stealing the feelings or the condition of a fire, also can make an explanation in case of necessity to relevant department; After having adopted the alternating current-direct current switching device shifter, even warning device still can operate as normal under the situation of mains failure.
Cipher anti theft fireproof alarming device can be widely used in warehouse, bank, factory building, dwelling house and other the indoor place that need guard against.
Claims (4)
1, a kind of indoor anti-theft fireproof warning device of being made up of contactless gauge tap, smoke detection system and audible alarm system is characterized in that it comprises an antitheft coding circuit that is made of cipher key, cipher key socket and single bistable trigger-action circuit.
2, a kind of according to the said warning device of claim 1, it is characterized in that it comprises the wireless interspeaker of giving orders or instructions automatically that can launch two kinds of different frequency carrier waves.
3, a kind ofly it is characterized in that being provided with in the power supply alternating current-direct current automatic switching control equipment, when mains failure, can automatically switch to DC power supply according to claim 1 and 2 said warning devices.
4, a kind of according to the said smoke detection system of claim 1, it is characterized in that the line style smog probe that the smog probe is made up of spot light lamp bulb and photoelectric device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 85200873 CN85200873U (en) | 1985-04-22 | 1985-04-22 | Cryptographic warning device of steal and fire precaution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 85200873 CN85200873U (en) | 1985-04-22 | 1985-04-22 | Cryptographic warning device of steal and fire precaution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN85200873U true CN85200873U (en) | 1985-12-20 |
Family
ID=4797070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 85200873 Ceased CN85200873U (en) | 1985-04-22 | 1985-04-22 | Cryptographic warning device of steal and fire precaution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN85200873U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103781270A (en) * | 2014-02-28 | 2014-05-07 | 四川为民科技有限公司 | Automatic high/low voltage disarming switching circuit and automatic high/low voltage disarming switching method of high voltage electron pulse detector |
| CN108792867A (en) * | 2018-06-21 | 2018-11-13 | 江苏百舟安全科技有限公司 | A kind of talkback unit for ship's fire fighting |
-
1985
- 1985-04-22 CN CN 85200873 patent/CN85200873U/en not_active Ceased
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103781270A (en) * | 2014-02-28 | 2014-05-07 | 四川为民科技有限公司 | Automatic high/low voltage disarming switching circuit and automatic high/low voltage disarming switching method of high voltage electron pulse detector |
| CN103781270B (en) * | 2014-02-28 | 2016-06-29 | 四川为民科技有限公司 | The high-low pressure of high-voltage electronic pulse detector is withdrawn a garrison automatic switch-over circuit and changing method |
| CN108792867A (en) * | 2018-06-21 | 2018-11-13 | 江苏百舟安全科技有限公司 | A kind of talkback unit for ship's fire fighting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C14 | Grant of patent or utility model | ||
| C17 | Cessation of patent right | ||
| CE01 | Termination of patent right |
Termination date: 19860625 |
|
| CE01 | Termination of patent right |