CN208702316U - A kind of project of transmitting and converting electricity site safety door alarm device - Google Patents
A kind of project of transmitting and converting electricity site safety door alarm device Download PDFInfo
- Publication number
- CN208702316U CN208702316U CN201821029524.3U CN201821029524U CN208702316U CN 208702316 U CN208702316 U CN 208702316U CN 201821029524 U CN201821029524 U CN 201821029524U CN 208702316 U CN208702316 U CN 208702316U
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- power module
- relay
- project
- photo resistance
- transmitting
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Abstract
The utility model relates to a kind of project of transmitting and converting electricity site safety door alarm devices, concave mirror including being set in door body and alarm, relay, power module photo resistance and LED light source on doorframe, the coil of relay and photo resistance and power module constitute closed circuit, LED light source and power module constitute closed circuit, photo resistance is the photo resistance of positive light intensity coefficient, the common end of relay and the level-one of power module connect, one input of normally open end and alarm connects, another input terminal of alarm and the other end of power module connect.Compared with prior art, the utility model is by realizing usually relay no power, to extend relay life using the photo resistance of positive light intensity coefficient for the normal-closed end of alarm cut-in relay.
Description
Technical field
The utility model relates to a kind of warning devices, fill more particularly, to a kind of project of transmitting and converting electricity site safety door alarm
It sets.
Background technique
In power construction engineering, there is many regions, these regions on the one hand have in it in equipment need it is thief-proof,
On the other hand, stranger, especially layman, which enter, can wherein face a danger, it is therefore desirable to some doors be arranged to prevent someone
It is strayed into wherein.But unlike that mature building, what some builder's temporary sheds of building site were often temporarily built, room door is generally all
It is shaky, if in these places using some security doors, with the mode of high-intensitive door-plate and lock core etc, although work can be prevented
People enters, but some burglars can enter these danger zones by way of pounding metope, in this way, they can be potentially encountered danger
Danger.
In this regard, technical staff devises some open alarm devices, such as Chinese patent CN105064884B discloses one
Kind is for the safety door in power construction engineering, comprising: doorframe；Door body, side are connect by hinge with doorframe；Further include: report
Alarm device, set on the other side of door body；Alarm triggering device is set on doorframe, and connect with warning device, for beating in door body
When opening, triggering warning device alarm.Compared with prior art, the utility model alarm triggering device can be opened in door body,
Alarm activation is triggered when someone enters these danger zones and is alarmed, and is given a warning, and then other people is avoided to face a danger.Its
Advantage is to realize only to need unilateral power supply by reflective mirror.
Although it connects controlled loop using relay normal-closed end which reduce the workload of maintenance, cause
Relay is chronically at energized state, and the service life is short, and power consumption is more.
Utility model content
The purpose of this utility model is exactly to provide a kind of power transmission and transformation work to overcome the problems of the above-mentioned prior art
Journey site safety door alarm device.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of project of transmitting and converting electricity site safety door alarm device, including the concave mirror being set in door body and on doorframe
Alarm, relay, power module photo resistance and LED light source, the coil and photo resistance and power module of the relay
Closed circuit is constituted, the LED light source and power module constitute closed circuit, and the photo resistance is the photosensitive of positive light intensity coefficient
Resistance, the common end of the relay and the level-one of power module connect, the input connection of normally open end and alarm, described
Another input terminal of alarm and the other end of power module connect.
Described device further includes casing, the alarm, relay, power module photo resistance and LED light source be all provided with
In casing.
The concave mirror is set in door body, and the casing is set in doorframe.
Power circuit is equipped in the doorframe, the input terminal of the power module is connected to city by the power circuit
Electricity.
The power module includes sequentially connected inverter circuit, DC transfer circuit and voltage regulator circuit.
The alarm includes buzzer and the wireless communication module for sending warning message to remote radio equipment.
The doorframe outside is equipped with camera, and indoor is equipped with display screen, and the camera and display screen are and power supply
Module connection.
Compared with prior art, the utility model has the following beneficial effects:
1) by by the normal-closed end of alarm cut-in relay, using the photo resistance of positive light intensity coefficient, realize usually after
Electric appliance no power, to extend relay life.
2) concave mirror and casing be all provided with in doorframe, it is more aesthetically pleasing thus not exposed.
3) it is powered by power circuit, no replacement is required battery.
4) display screen and camera are set, realize relatively sharp opal function.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model circuit part；
Fig. 3 is the circuit diagram of the utility model circuit part；
Fig. 4 is door body schematic side view；
Fig. 5 is door frame portion schematic top plan view；
Wherein: 1, doorframe, 2, door body, 3, casing, 4, concave mirror, 5, camera, 6, display screen, 31, main circuit, 32, control
Circuit processed, 33, power module, 311, alarm, 312, relay switch, 321, LED light source, 322, relay coil, 323,
Photo resistance.
Specific embodiment
The utility model is described in detail in the following with reference to the drawings and specific embodiments.The present embodiment is with the utility model
Implemented premised on technical solution, the detailed implementation method and specific operation process are given, but the guarantor of the utility model
Shield range is not limited to the following embodiments.
A kind of project of transmitting and converting electricity site safety door alarm device, as shown in FIG. 1 to 3, including the concave surface being set in door body 2
311 main body of mirror 4 and alarm, 311 main body of alarm include main circuit 31 and control circuit 32, specifically, including being set to doorframe 1
On alarm 311, relay, 33 photo resistance 323 of power module and LED light source 321, relay coil 322 and photosensitive electricity
Resistance 323 and power module 33 constitute closed circuit, and LED light source 321 and power module 33 constitute closed circuit, photo resistance 323
It is the photo resistance 323 of positive light intensity coefficient, the common end of 312 part of relay switch is connect with the level-one of power module 33, often
One input of beginning and alarm 311 connects, another input terminal of alarm 311 and the other end of power module 33 connect
It connects.
By the way that the normal-closed end of 311 cut-in relay of alarm is realized flat using the photo resistance 323 of positive light intensity coefficient
When relay no power, to extend relay life.
Device further includes casing 3, and alarm 311, relay, 33 photo resistance 323 of power module and LED light source 321 are equal
If in casing 3.
As shown in figure 4, concave mirror 4 is set in door body 2, as shown in figure 5, casing 3 is set in doorframe 1, concave mirror 4 and casing
3 be all provided with in doorframe 1, it is more aesthetically pleasing thus not exposed.
Power circuit is equipped in doorframe 1, the input terminal of power module 33 is connected to alternating current by power circuit, passes through electric power
Line powering, no replacement is required battery.
Power module 33 includes sequentially connected inverter circuit, DC transfer circuit and voltage regulator circuit.
Alarm 311 includes buzzer and the wireless communication module for sending warning message to remote radio equipment.
As shown in figure 5,1 outside of doorframe is equipped with camera 5, indoor is equipped with display screen 6, and camera 5 and display screen 6 are equal
It is connect with power module 33.
In addition, in order to improve stability, can connect a resistance for relay, that is, constitute the resistance and photo resistance
Bleeder circuit, relay coil extract the voltage power supply of partial pressure.
When work, when usually door is closed, photo resistance is illuminated by the light, and resistance is big, relay normal-closed end closure, alarm 311
It does not work, Men Kaishi, illumination reduces, and photo resistance becomes smaller, and relay is attracted, and normally open end closure, alarm 311 works.
Claims (7)
1. a kind of project of transmitting and converting electricity site safety door alarm device, the concave mirror including being set in door body and the report on doorframe
Alert device, relay, power module photo resistance and LED light source, the coil and photo resistance and power module structure of the relay
At closed circuit, the LED light source and power module constitute closed circuit, which is characterized in that the photo resistance is positive light intensity
One of the photo resistance of coefficient, the common end of the relay and the level-one connection of power module, normally open end and alarm is defeated
Enter connection, another input terminal of the alarm and the other end of power module connect.
2. a kind of project of transmitting and converting electricity site safety door alarm device according to claim 1, which is characterized in that described device
Further include casing, the alarm, relay, power module photo resistance and LED light source be all provided with in casing.
3. a kind of project of transmitting and converting electricity site safety door alarm device according to claim 2, which is characterized in that the concave surface
Mirror is set in door body, and the casing is set in doorframe.
4. a kind of project of transmitting and converting electricity site safety door alarm device according to claim 3, which is characterized in that the doorframe
In be equipped with power circuit, the input terminal of the power module is connected to alternating current by the power circuit.
5. a kind of project of transmitting and converting electricity site safety door alarm device according to claim 4, which is characterized in that the power supply
Module includes sequentially connected inverter circuit, DC transfer circuit and voltage regulator circuit.
6. a kind of project of transmitting and converting electricity site safety door alarm device according to claim 1, which is characterized in that the alarm
Device includes buzzer and the wireless communication module for sending warning message to remote radio equipment.
7. a kind of project of transmitting and converting electricity site safety door alarm device according to claim 1, which is characterized in that the doorframe
Outside is equipped with camera, and indoor is equipped with display screen, and the camera and display screen are connect with power module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821029524.3U CN208702316U (en) | 2018-06-29 | 2018-06-29 | A kind of project of transmitting and converting electricity site safety door alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821029524.3U CN208702316U (en) | 2018-06-29 | 2018-06-29 | A kind of project of transmitting and converting electricity site safety door alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208702316U true CN208702316U (en) | 2019-04-05 |
Family
ID=65937220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821029524.3U Active CN208702316U (en) | 2018-06-29 | 2018-06-29 | A kind of project of transmitting and converting electricity site safety door alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208702316U (en) |
-
2018
- 2018-06-29 CN CN201821029524.3U patent/CN208702316U/en active Active
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