CN207281948U - The disconnecting device that safety alarm system triggering is kept - Google Patents
The disconnecting device that safety alarm system triggering is kept Download PDFInfo
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- CN207281948U CN207281948U CN201721205341.8U CN201721205341U CN207281948U CN 207281948 U CN207281948 U CN 207281948U CN 201721205341 U CN201721205341 U CN 201721205341U CN 207281948 U CN207281948 U CN 207281948U
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- relay
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- kept
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Abstract
The disconnecting device that safety alarm system triggering is kept, including self-resetting switch (1), DC power supply (2), alarm triggering wire connection terminal (4), relay (5) and contact switch (6)；DC power supply (2) interface passes sequentially through power cord connection self-resetting switch (1) and relay (5) between triggering wire connection terminal (4) to alarm, and, coil on relay (5) is connected on cathode circuit, and the contact switch (6) on relay (5) is connected across between the positive and negative electrode circuit on front side of alarm triggering wire connection terminal (4).As long as after causing alarm switch amount signal output because of trigger event, no matter following alarm signal has or nothing, one is formed after warning output end and starts holding circuit, in the case of no artificially cut-out, whole circuit is by one system of self-contained, continual alarm is carried out, improves the safety and stability of alarm system.
Description
Technical field
It the utility model is related to the structure improved technology of the auxiliary protection device of security protection alarm system, especially security protection
The disconnecting device that alarm system triggering is kept.
Background technology
Anti-theft alarm system is to use physical method or electronic technology, and the intrusion in monitoring region of deploying troops on garrison duty occurs for automatic detection
Behavior, produces alarm signal, and the region portion for prompting operator on duty to alarm, shows the system that may be taken some countermeasures.It is anti-
Steal the critical facility that alarm system is the accidents such as pre- rob-proof, theft.Once generation accident, can just pass through acousto-optic report
Alert signal accurately shows the site of an accident in security control centre, then takes emergency measures rapidly.Anti-theft alarm system is with coming in and going out
Mouth control system, closed-circuit TV monitoring system, caller interphone system and electronic patrol system etc. together form safety precaution system
System.
At present, all alarm back-end device of in the market is most use switching value warning output, but majority warning device
The alarm triggered time is all provided with, there is time of fire alarming limitation in common alarm system rear end, once more than once time warning output
It can be automatically stopped, can not keep alarming for a long time, such case will certainly cause safety alarm system operational failure.
Utility model content
The purpose of this utility model is to provide the disconnecting device that safety alarm system triggering is kept, and solves the prior art and asks
Topic, can keep warning output, in the case of no human intervention, keep alarm condition；And it can realize in human intervention
In the case of stop alarm function, make safety alarm system safer.
The purpose of this utility model will be realized by following technical measures：Including self-resetting switch, DC power supply, alarm
Trigger wire connection terminal, relay and contact switch；Dc power interface passes sequentially through power supply between triggering wire connection terminal to alarm
Line connects self-resetting switch and relay, moreover, the coil on relay is connected on cathode circuit, the contact on relay is opened
Close and be connected across between the positive and negative electrode circuit that alarm is triggered on front side of wire connection terminal.
Especially, serial chain is connected to reset switch, runback in dc power interface to the cathode circuit between relay
Bit switch is normally closed switch.
Especially, DC power supply is 12V power supplys.
Especially, dc power interface triggers link sound-light alarm of connecting on the cathode traces between wire connection terminal to alarm
Device.
Especially, the contact switch on relay is normal open switch.
The advantages of the utility model and effect：As long as after causing alarm switch amount signal output because of trigger event, no matter connect
Alarm signal of getting off has or nothing, and one is formed after warning output end and starts holding circuit, in the feelings artificially do not cut off
Under condition, one system of self-contained is carried out continual alarm, improves the safety and stability of alarm system by whole circuit.
Brief description of the drawings
Fig. 1 is 1 structure diagram of the utility model embodiment.
Reference numeral includes：Self-resetting switch 1, DC power supply 2, audible-visual annunciator 3, alarm triggering wire connection terminal 4, relay
Device 5, contact switch 6.
Embodiment
The utility model principle is, relay (English name：Relay it is) a kind of electric control device, is to work as input quantity
Or the change of energizing quantity makes controlled volume that one kind of predetermined Spline smoothing occur when reaching regulation requirement in electric output circuit
Electric appliance.It has control system, that is, input circuit and by the interactive relationship between control system, that is, output loop.Relay is usual
Applied in automation control circuit, it is actually one kind " automatic switch " that control high current running is gone with low current.
Therefore the effect such as automatic adjustment, safeguard protection, conversion circuit is played in circuit.For the contact dynamic circuit connector type coil of relay normally open
Two contacts are to disconnect during no power, and after energization, two contacts just close.Electromagnetic relay generally by iron core, coil, armature,
The compositions such as contact reed.As long as adding certain voltage at coil both ends, certain electric current is will pass through in coil, so as to produce
Raw galvanomagnetic-effect, armature will overcome the pulling force of return spring to be drawn to iron core under the action of electromagnetic attracting force, so as to drive rank
The movable contact of iron is attracted with stationary contact, that is, normally opened contact.After coil blackout, the suction of electromagnetism also disappears therewith, and armature will be
The reaction force of spring returns to original position, movable contact is discharged with original stationary contact i.e. normally-closed contact.So it is attracted, releases
Put, so as to achieve the purpose that conducting in circuit, cut-out.For " normally opened, normally closed " contact of relay, can so come
Distinguish：The stationary contact being off when relay coil is not powered on, is known as " normally opened contact "；Stationary contact in an ON state
Point is known as " normally-closed contact ".Relay generally has two strands of circuits, is low-voltage control circuit and high-pressure work circuit.
The utility model includes：Self-resetting switch 1, DC power supply 2, alarm triggering wire connection terminal 4, relay 5 and contact
Switch 6.
The utility model is described in further detail with reference to the accompanying drawings and examples.
Embodiment 1：As shown in Figure 1,2 interface of DC power supply passes sequentially through power supply between triggering wire connection terminal 4 to alarm
Line connects self-resetting switch 1 and relay 5, moreover, the coil on relay 5 is connected on cathode circuit, touching on relay 5
Point switch 6 is connected across between the positive and negative electrode circuit of 4 front side of alarm triggering wire connection terminal.
In foregoing, serial chain is connected to reset switch 1 on 2 interface of DC power supply to the cathode circuit between relay 5, from
Reset switch 1 is normally closed switch.When hold mode of alarming needs human intervention, opening self-resetting switch 1 can terminate to alarm,
Then disappear in triggering alarm switch amount alarm signal, after alarm release, 1 automatic time delay return of self-resetting switch.
In foregoing, DC power supply 2 is 12V power supplys.
In foregoing, 2 interface of DC power supply triggers link acousto-optic report of connecting on the cathode traces between wire connection terminal 4 to alarm
Alert device 3.
In foregoing, single unit system is encapsulated using integral structure.
In foregoing, the contact switch 6 on relay 5 is normal open switch.
When the present embodiment works, DC power supply 2 is 12V power supplys；When alarm triggering wire connection terminal 4 receives what alarm was sent
After switching value alarm signal, 5 coil conductive armature of trigger relay action, contact switch 6 is formed into a loop after being attracted conducting closure,
Make power supply 2 keep powering to relay 5 and audible-visual annunciator 3, remain closed contact switch 6, audible-visual annunciator 3 is kept report
Alert state, when needing to cut off alarm sound-light alarm, need to only press 1 people of self-resetting switch and alarm for cut-out.
The utility model realizes the holding of the alarm triggering of alarm, can be used for appointing by the design of alarm circuit
The rear end of the alarm system of what output switch parameter.Single unit system is encapsulated using integrated design, and self-resetting switch 1 can be cut off entirely
Loop power supply.
In the embodiment above, not and other necessary technologies for being related to implementation etc. of narration use the prior art, no longer according to
It is secondary to enumerate detailed description.
Claims (6)
1. the disconnecting device that safety alarm system triggering is kept, including self-resetting switch (1), DC power supply (2), triggering of alarming connect
Line terminals (4), relay (5) and contact switch (6)；It is characterized in that, DC power supply (2) interface triggers wire connection terminal to alarm
(4) power cord connection self-resetting switch (1) and relay (5) are passed sequentially through between, moreover, the coil series connection on relay (5)
On cathode circuit, the contact switch (6) on relay (5) is connected across the positive and negative electrode electricity on front side of alarm triggering wire connection terminal (4)
Between road.
2. the disconnecting device that safety alarm system triggering as claimed in claim 1 is kept, it is characterised in that in DC power supply
(2) interface is connected to reset switch (1) to serial chain on the cathode circuit between relay (5), and self-resetting switch (1) is opened to be normally closed
Close.
3. the disconnecting device that safety alarm system triggering as claimed in claim 1 is kept, it is characterised in that DC power supply (2)
For 12V power supplys.
4. the disconnecting device that safety alarm system triggering as claimed in claim 1 is kept, it is characterised in that DC power supply (2)
Interface links audible-visual annunciator (3) to series connection on the cathode traces between alarm triggering wire connection terminal (4).
5. the disconnecting device that safety alarm system triggering as claimed in claim 1 is kept, it is characterised in that single unit system uses
Integral structure encapsulates.
6. the disconnecting device that safety alarm system triggering as claimed in claim 1 is kept, it is characterised in that on relay (5)
Contact switch (6) be normal open switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721205341.8U CN207281948U (en) | 2017-09-15 | 2017-09-15 | The disconnecting device that safety alarm system triggering is kept |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721205341.8U CN207281948U (en) | 2017-09-15 | 2017-09-15 | The disconnecting device that safety alarm system triggering is kept |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207281948U true CN207281948U (en) | 2018-04-27 |
Family
ID=61982299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721205341.8U Active CN207281948U (en) | 2017-09-15 | 2017-09-15 | The disconnecting device that safety alarm system triggering is kept |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207281948U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109917211A (en) * | 2019-03-29 | 2019-06-21 | 江苏核电有限公司 | A kind of direct current supply module Alarm Monitor Unit |
-
2017
- 2017-09-15 CN CN201721205341.8U patent/CN207281948U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109917211A (en) * | 2019-03-29 | 2019-06-21 | 江苏核电有限公司 | A kind of direct current supply module Alarm Monitor Unit |
| CN109917211B (en) * | 2019-03-29 | 2023-12-15 | 江苏核电有限公司 | Alarm monitoring device for direct current power supply module |
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