CN204463344U - A kind of fire detector isolation timer - Google Patents
A kind of fire detector isolation timer Download PDFInfo
- Publication number
- CN204463344U CN204463344U CN201420742713.0U CN201420742713U CN204463344U CN 204463344 U CN204463344 U CN 204463344U CN 201420742713 U CN201420742713 U CN 201420742713U CN 204463344 U CN204463344 U CN 204463344U
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- circuit
- fire detector
- detector
- singlechip chip
- utility
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Abstract
The utility model discloses a kind of fire detector isolation timer, comprise singlechip chip, described singlechip chip is connected with sound light alarming circuit, timing circuit, crystal oscillating circuit, reset circuit and detection circuit; Described detection circuit is connected with power-switching circuit by connection terminal.The beneficial effects of the utility model: by described fire detector isolation timer, can isolate fire detector before construction, the detector being in isolation can not carry out the work of fire detection, forecast, and when regularly terminate or this isolation timer of manual-lock time, fire detector can restart work again, these device Installation and Debugging are simple, easy to operate, do not need isolate detector on controller main frame and contact isolated operation.
Description
Technical field
The utility model relates to alarm technique field, specifically, relates to a kind of fire detector isolation timer.
Background technology
As everyone knows, fire alarm system can give people's warning before fire occurs, but its arrange smoke detector, heat detector etc. can detection of fires occur detector there is a kind of mechanicalness, such as, in work progress, occasional produces smog, and these smog can be sensed by smoke detector, thus wrong report fire alarm.
So, develop a kind of device regularly can isolating fire detector, become the problem that insider needs solution badly.
Utility model content
For the above-mentioned technical matters in correlation technique, the utility model proposes a kind of fire detector isolation timer, regularly can isolate fire detector, avoid the situation that fire alarm wrong report occurs.
For realizing above-mentioned technical purpose, the technical solution of the utility model is achieved in that
A kind of fire detector isolation timer, comprise singlechip chip, described singlechip chip is connected with sound light alarming circuit, timing circuit, crystal oscillating circuit, reset circuit and detection circuit; Described detection circuit is connected with power-switching circuit by connection terminal.
Further, detection circuit comprises the pick-up unit be connected with described connection terminal, and the other end of described pick-up unit connects the collector of triode, and the base series of described triode has resistance, and described resistance is connected with singlechip chip; Described pick-up unit is parallel with diode, and described pick-up unit and diode are all connected with described power supply.
Further, described timing circuit is provided with some keyswitches parallel with one another, is in series with resistance between described keyswitch and described singlechip chip.
Further, described sound light alarming circuit comprises some LED parallel with one another, one end of described LED is connected and is connected with described singlechip chip by control chip one, the other end of described LED is in series with resistance, described resistance is connected with power supply and hummer, and described control chip is connected with hummer.
The beneficial effects of the utility model: by described fire detector isolation timer, can isolate fire detector before construction, the detector being in isolation can not carry out the work of fire detection, forecast, and when regularly terminate or this isolation timer of manual-lock time, fire detector can restart work again, these device Installation and Debugging are simple, easy to operate, do not need isolate detector on controller main frame and contact isolated operation.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the circuit diagram of a kind of fire detector isolation timer according to the utility model embodiment;
Fig. 2 is the pcb board schematic diagram of a kind of fire detector isolation timer according to the utility model embodiment.
In figure:
1, singlechip chip; 2, sound light alarming circuit; 3, timing circuit; 4, crystal oscillating circuit; 5, reset circuit; 6, detection circuit; 7, connection terminal; 8, power-switching circuit.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain, all belongs to the scope of the utility model protection.
As shown in Figure 1-2, a kind of fire detector isolation timer according to the utility model embodiment, comprise singlechip chip 1, described singlechip chip 1 is connected with sound light alarming circuit 2, timing circuit 3, crystal oscillating circuit 4, reset circuit 5 and detection circuit 6; Described detection circuit 6 is connected with power-switching circuit 8 by connection terminal 7.
In one embodiment, detection circuit 6 comprises the pick-up unit be connected with described connection terminal 7, and the other end of described pick-up unit connects the collector of triode, and the base series of described triode has resistance, and described resistance is connected with singlechip chip; Described pick-up unit is parallel with diode, and described pick-up unit and diode are all connected with described power supply.
In one embodiment, described timing circuit 3 is provided with some keyswitches parallel with one another, is in series with resistance between described keyswitch and described singlechip chip.
In one embodiment, described sound light alarming circuit 2 comprises some LED parallel with one another, one end of described LED is connected and is connected with described singlechip chip by control chip one, the other end of described LED is in series with resistance, described resistance is connected with power supply and hummer, and described control chip is connected with hummer.
Conveniently understand technique scheme of the present utility model, below by way of in concrete use-pattern, technique scheme of the present utility model is described in detail.
When specifically using, according to fire detector isolation timer described in the utility model, this device can connect the direct current of 24V, and electric current is by power-switching circuit 8, and the direct current converting 5V to is powered to described device, under normal circumstances, detector is directly linked into signal input module through the normally closed contact of relay, detection of fires situation, when pressing the corresponding button on described timing circuit 3, 30 minutes can be set according to different key, one hour, two hours, three hours, the timing of four hours, work as start by set date, corresponding light emitting diode lights, relay power, relay normally closed contact disconnects, the line that signal input module received by detector disconnects, relay normally open contact closes, terminal resistance is linked into load module, the alert operation state of this device is isolated, if timing only surplus five minutes, buzzer warning, when timing terminates or manually press stopping key on described keypad circuit, corresponding light emitting diode knocks out, relay electric-loss, the normally closed contact of relay closes, normally opened contact disconnects, automatically terminate the isolation to detector, detector is made again to access signal input module, loop detection device normal operating conditions.
In sum, by means of technique scheme of the present utility model, by described fire detector isolation timer, can isolate fire detector before construction, the detector being in isolation can not carry out the work of fire detection, forecast, and when regularly terminate or this isolation timer of manual-lock time, fire detector can restart again work, these device Installation and Debugging are simple, easy to operate, do not need isolate detector on controller main frame and contact isolated operation.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (4)
1. a fire detector isolation timer, comprise singlechip chip (1), it is characterized in that, described singlechip chip (1) is connected with sound light alarming circuit (2), timing circuit (3), crystal oscillating circuit (4), reset circuit (5) and detection circuit (6); Described detection circuit (6) is connected with power-switching circuit (8) by connection terminal (7).
2. fire detector isolation timer according to claim 1, it is characterized in that, detection circuit (6) comprises the pick-up unit be connected with described connection terminal (7), the collector of the other end connecting triode of described pick-up unit, the base series of described triode has resistance, and described resistance is connected with singlechip chip; Described pick-up unit is parallel with diode, and described pick-up unit and diode are all connected with described power supply.
3. fire detector isolation timer according to claim 1, it is characterized in that, described timing circuit (3) is provided with some keyswitches parallel with one another, is in series with resistance between described keyswitch and described singlechip chip.
4. fire detector isolation timer according to claim 1, it is characterized in that, described sound light alarming circuit (2) comprises some LED parallel with one another, one end of described LED is connected with described singlechip chip by control chip one, the other end of described LED is in series with resistance, described resistance is connected with power supply and hummer, and described control chip is connected with hummer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420742713.0U CN204463344U (en) | 2014-12-01 | 2014-12-01 | A kind of fire detector isolation timer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420742713.0U CN204463344U (en) | 2014-12-01 | 2014-12-01 | A kind of fire detector isolation timer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204463344U true CN204463344U (en) | 2015-07-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420742713.0U Expired - Fee Related CN204463344U (en) | 2014-12-01 | 2014-12-01 | A kind of fire detector isolation timer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204463344U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109345759A (en) * | 2018-11-12 | 2019-02-15 | 聂士雪 | A kind of ion type smog alarm |
| CN112147908A (en) * | 2019-06-28 | 2020-12-29 | 青岛海尔智能技术研发有限公司 | Method for debugging electric equipment, controller and electric equipment |
-
2014
- 2014-12-01 CN CN201420742713.0U patent/CN204463344U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109345759A (en) * | 2018-11-12 | 2019-02-15 | 聂士雪 | A kind of ion type smog alarm |
| CN109345759B (en) * | 2018-11-12 | 2020-08-14 | 江苏河马自动化设备有限公司 | Ion type smoke alarm |
| CN112147908A (en) * | 2019-06-28 | 2020-12-29 | 青岛海尔智能技术研发有限公司 | Method for debugging electric equipment, controller and electric equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20191201 |