CN111127787A - Intelligent alarm device for preventing object from invading electrical equipment - Google Patents
Intelligent alarm device for preventing object from invading electrical equipment Download PDFInfo
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- CN111127787A CN111127787A CN202010048658.5A CN202010048658A CN111127787A CN 111127787 A CN111127787 A CN 111127787A CN 202010048658 A CN202010048658 A CN 202010048658A CN 111127787 A CN111127787 A CN 111127787A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
- G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
- G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
- G08B5/38—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources using flashing light
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
- G08B13/24—Electrical actuation by interference with electromagnetic field distribution
- G08B13/2491—Intrusion detection systems, i.e. where the body of an intruder causes the interference with the electromagnetic field
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
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Abstract
The invention provides an intelligent warning device for preventing an object from invading electrical equipment, and relates to the technical field of distance sensing warning devices. The alarm device comprises a shell, an upper cover, a sensor, warning lamps, a player, a control panel and a sensor protection cover, wherein the warning lamps are uniformly distributed on the outer side of the shell, the player is installed outside an alarm, the control panel is installed inside the alarm, and the control panel controls and triggers the alarm system. The intelligent warning device is suitable for being installed around a transformer box body, a high-voltage power tower and other electrical equipment needing safety warning, is light in structure and concise in appearance, can play a warning role after being installed, and can also play a decorative role.
Description
Technical Field
The invention relates to the technical field of early warning equipment, in particular to an intelligent warning device for preventing an object from invading electrical equipment.
Background
The intelligent warning device is mainly applied to the power industry, is temporarily or permanently placed in areas such as urban ring main units, power distribution cabinets, transformer areas and the like, and prompts and warns people and vehicles entering a warning area by means of flashing of warning lamps and warning voice prompt. The traditional warning sign belongs to an active warning passive cognition type and can only play a warning role under the condition that people notice. Because various warning signs are hung more at present, people are conscious and numb, and therefore various electrical equipment external damage and people's accidental electric shock accidents caused by neglecting warning are forbidden.
The invention discloses a transformer substation interval maintenance anti-mistaken-entry live interval safety warning device (an authorization notice number is CN 205899732U). the transformer substation interval maintenance anti-mistaken-entry live interval safety warning device comprises a shell, an LED liquid crystal display, a voice alarm, an audible and visual alarm, a power switch, a human body detection module, a controller and a power module; the controller is respectively connected with the LED liquid crystal display, the voice alarm, the audible and visual alarm, the human body detection module and the output end of the power supply module, the input end of the power supply module is connected with the power supply interface, and the power supply module is connected with the power supply switch; the transformer substation interval maintenance anti-mistaken-entering electrified interval safety warning device detects human body signals through the human body detection module, sequentially passes through the filter and the amplifier and then is transmitted to the controller, and when detecting that a worker approaches the operating equipment, the controller controls the voice alarm and the audible and visual alarm to send out audible and visual alarms to remind the detector of paying attention; the safety warning device displays the running state of the device through the LED liquid crystal display and reminds workers of safety all the time.
However, the invention has the following disadvantages: 1. the warning device sensor and the warning system are only arranged in front of the warning device, the sensor cannot be expanded, and the structure of the warning device cannot be combined and changed along with an application scene, so that the warning device cannot give an alarm to objects intruding from different directions all around. 2. The alarm has synchronous sound and light alarm, so the alarm is not suitable for being installed in public places with large pedestrian volume.
Disclosure of Invention
Aiming at the technical defects of fixed sensing direction, fixed structure and inextensible sensor of the existing warning indicator, the invention provides the intelligent warning device for preventing the intrusion of the object into the electrical equipment, which has the advantages of light and handy structure, concise appearance and flexible configuration of the mounting structure and can sense and warn objects around.
The invention is realized by the following technical scheme:
an intelligent alarm device for preventing an object from invading electrical equipment is characterized in that the structure comprises:
a housing having a continuous length and a containment space; the top of the shell is provided with a movably detachable upper cover, any side surface of the shell is provided with a light trough for mounting a warning light, and the bottom of the shell is provided with a plurality of sensor fixing holes;
a sensor mounted in the sensor fixing hole;
the warning lamp strip consists of a light trough arranged on the shell, a warning lamp arranged in the light trough and the warning lamp;
a player disposed outside the housing;
and the control panel is arranged in the shell and is respectively connected with the sensor, the warning lamp and the player.
Furthermore, the upper cover is connected with the side wall of the shell through a screw, and a plurality of mounting holes are formed in the surface, right opposite to the warning lamp groove, of the upper cover and used for fixing the intelligent warning device for preventing the electrical equipment from invading into an application object.
Further, the upper cover and the side wall structure are designed so that the upper cover is not separated from the side wall of the housing when upward force is applied to the upper cover. The upper cover is provided with a plurality of mounting holes and used for mounting the intelligent warning device for preventing the electrical equipment from invading into an application object.
Further, the warning lamp is an LED warning lamp or a xenon lamp.
Further, the player is installed in or around the application object, and the player selects a proper position according to the use environment of the product, and is required to be installed at a position for shielding rain.
Further, the sensor is an infrared distance measurement sensor or an infrared digital induction switch sensor, or a combination of the infrared distance measurement sensor and the infrared digital induction switch sensor.
Further, the sensor is fixed at the bottom of the shell through a sensor shield, and the sensor shield is fixedly connected with the bottom of the shell in a detachable mode.
Further, the control panel is installed inside the warning indicator or in the control panel installation box.
There are each part and module through circuit connection on the control panel, include: a power interface for connecting an external power supply; the indicating lamp is used for indicating the power on of the main control panel; a sensor power supply to supply power to the sensor; a trigger channel for receiving the output signal of the sensor; a voice controller; a warning light controller; an audio memory; and the central processing template receives the transmission signal of the trigger channel, judges the signal and sends an instruction signal to the voice controller and the warning light controller.
Be provided with integrated control port on the control panel, include: a power supply port connected with an external power supply; the audio output port of the player is connected; a warning lamp control port connected with the warning lamp;
further, an analog quantity triggering channel port of the sensor is connected; a 5V power supply pin port for supplying power to the sensor; an indicator light port.
Further, the integrated control port is an extensible port.
Further, the trigger channel is an analog trigger channel or a digital trigger channel or a combination of the analog trigger channel and the digital trigger channel, and each trigger channel is triggered independently.
Further, the analog trigger channel receives a voltage signal output by the infrared distance measuring sensor and converts the voltage signal into a distance signal.
Further, the digital trigger channel receives a digital signal output by the infrared digital inductive switch sensor.
After the intelligent warning device for preventing the intrusion of the object into the electrical equipment is applied to a specific object, the periphery of the applied object can sense approaching personnel and vehicles at equal intervals, and the periphery can give an alarm to the personnel and the vehicles entering a warning area.
Compared with the existing warning device, the scheme provided by the invention has the advantages that the volume is smaller, the warning device is suitable for power distribution cabinets, ring main units and other positions needing safety warning objects in urban districts, the structure is light, the appearance is simple, the warning device can play a role in decoration after installation, the sensors are arranged at a plurality of positions at the lower end of the shell at intervals, so that pedestrians can realize early warning no matter which direction the pedestrians approach to the objects provided with the warning device after the product is installed on the periphery of a power distribution box body or other application objects, the length of the shell and the length of the warning lamp strip can be adjusted according to the installation environment, the warning device is free and flexible, and the.
According to the intelligent warning device for preventing the intrusion of the object into the electrical equipment, when the external object enters the set warning area of the application device, the warning lamp band flickers, the voice system does not give an alarm, after the external object leaves, the warning lamp band stops flickering, and only when the external object lasts for several seconds in the warning area, the warning lamp band flickers and simultaneously starts voice warning, so that unnecessary voice warning in public places is avoided, and the intelligent warning device can be applied to public places with large pedestrian volume.
Drawings
FIG. 1: top-mounted electrical equipment prevents that object from invading intelligent alarm device explosion diagram
FIG. 2: top-mounted electrical equipment prevents that object from invading intelligent alarm device explosion diagram
FIG. 3: explosion diagram of intelligent alarm device for preventing object from invading side-mounted electrical equipment
FIG. 4: explosion diagram of intelligent alarm device for preventing object from invading side-mounted electrical equipment
FIG. 5: schematic diagram of intelligent warning device for preventing object from invading top-mounted electrical equipment
FIG. 6: main view of intelligent alarm device for preventing object from invading electrical equipment
FIG. 7: bottom view of intelligent alarm device for preventing object from invading electrical equipment
FIG. 8: FIG. 1 left side view of the intelligent alarm device for preventing the intrusion of objects into the electrical equipment
FIG. 9: FIG. 2 left side view of the intelligent alarm device for preventing the intrusion of objects into the electrical equipment
FIG. 10: FIG. 3 left side view of the intelligent alarm device for preventing the intrusion of objects into the electrical equipment
FIG. 11: FIG. 4 left side view of the intelligent alarm device for preventing the intrusion of objects into the electrical equipment
FIG. 12: schematic diagram of intelligent warning device for preventing object from invading for mounting electric equipment of transformer box
In the figure: the intelligent warning device comprises a shell 1, an upper cover 1-1, a lamp trough 1-2, a sensor fixing hole 1-3, a mounting hole 1-4, a mounting hole 1-5 of the upper cover, a sensor 2, a warning lamp 3, a sensor protecting cover 4, a warning lamp belt 5, a sensor connecting port 6 and an intelligent warning device 7 for preventing objects from invading into the electrical equipment.
Detailed Description
The first embodiment is as follows:
an intelligent alarm device for preventing an object from invading electrical equipment is characterized in that the structure comprises:
a housing 1 having a continuous length and having a holding space; the top of the shell 1 is provided with a movably detachable upper cover 1-1, any side surface is provided with a light trough 1-2 for mounting a warning light, and the bottom is provided with a plurality of sensor fixing holes 1-3;
a sensor 2 installed in the sensor fixing hole 1-3;
the warning lamp 3 is arranged in a lamp groove 1-2 of the shell 1, the warning lamp is an LED warning lamp or a xenon lamp, and the warning lamp 3 forms a warning lamp strip 5;
the player is arranged outside the shell 1, the player can be placed in a box body of an application object, and a shutter window is arranged at the corresponding position of the box body.
And the control panel is arranged inside the shell 1 and is respectively connected with the sensor 2, the warning lamp 3 and the player, and the control panel is arranged inside the warning indicator or in the control panel mounting box.
The upper cover 1-1 covers the top of the side wall of the top of the shell 1 and is connected with the side wall of the shell 1 through a screw, the upper cover of the warning indicator can be detached, internal components of the warning indicator can be conveniently mounted and detached, and a plurality of mounting holes are formed in the surface right opposite to the warning lamp groove and used for fixing the warning indicator on an application object. The mounting hole corresponds to the mounting position of the application object, and the warning indicator is connected with the application object through the mounting hole by using a screw. The intelligent warning device for preventing the intrusion of objects into the electrical equipment shown in fig. 3 and 4. Fig. 3 shows that the joint between the housing 1 and the upper cover 1-1 is designed to be an inclined plane, which is convenient for sheet metal processing and easier in the sheet metal processing process.
The sensor is infrared distance measuring sensor, and the link of sensor sets up to the serial ports, makes things convenient for dismantlement, installation, replacement and the maintenance of sensor.
The sensor 2 is fixed at the bottom of the shell 1 through a sensor shield 6, and the sensor shield 6 is fixedly connected with the bottom of the shell 1 in a detachable mode. The sensor protection cover is in a 'n' -shaped shape and is fixed with the shell in a buckling mode or fixed with the shell by screws.
There are each part and module through circuit connection on the control panel, include: a power interface for connecting an external power supply; the indicating lamp is used for indicating the power on of the main control panel; a sensor power supply to supply power to the sensor; a trigger channel for receiving the output signal of the sensor; a voice controller; a warning light controller; an audio memory; and the central processing module is used for receiving the transmission signal of the trigger channel, judging the signal and sending an instruction signal to the voice controller and the warning lamp controller.
The central processing module includes: the warning lamp control module outputs 5V high-frequency power for controlling an external relay when the alarm is triggered; the analog trigger module is used for acquiring an analog voltage signal output by the infrared distance measuring sensor and converting the analog voltage into a distance; an audio decoding module; the audio storage chip can download audio files and support typical audio formats such as mp3 and the like; the power amplification chip provides a pin for directly connecting and driving the sound equipment, and does not need an external power amplifier and external power supply; and a loudspeaker output interface. The central processing template can download a deployment program, and the program is electrified and automatically operated after deployment; the control panel integrates a control port and controls the audio decoding module to output alarm sound in a matching way.
Be provided with integrated control port on the control panel, include: a power supply port connected with an external power supply, wherein the port is a USB and DC standard connector; the audio output port of the player is connected; a warning lamp control port connected with the warning lamp; an analog quantity triggering channel port connected with the sensor; a 5V power supply pin port for supplying power to the sensor; an indicator light port.
The integrated control port is an expandable port, the analog trigger channel supports expansion, and the external AD module can be hung to realize the triggering of more channels; various sensors such as noise, vibration, temperature, humidity and the like are supported to be connected, the acquisition and analysis of various signals are facilitated, and the comprehensive acquisition and analysis edge calculation center can be upgraded; the device is provided with a serial port expansion interface, various sensors can be externally hung to realize data acquisition and analysis, and subsequent expansion, upgrading and revision design is facilitated.
The trigger channel is an analog trigger channel, and the analog trigger channel receives a voltage signal output by the infrared distance measuring sensor and converts the voltage signal into a distance signal.
The electric equipment prevents that the object from invading the intellectual alarm device and reporting to the police and realizing the way is: after the intelligent warning device is installed at the cover eaves of the box-type substation, and after the intelligent electrical equipment is opened by electrifying to prevent an object from invading the intelligent warning device, the infrared transmitter of the infrared sensor transmits infrared beams according to a certain angle, and after the infrared beam meets a human body, the beam can be reflected back. The infrared ray that reflects back is detected by infrared sensor's CCD detector after, can obtain an deviant, utilizes the trigonometry to confirm launch angle, offset distance, central moment to and the focus of filter, calculate the distance of sensor to the human body, infrared simulation range finding sensor measures actual object reflection distance to convert the distance into analog voltage signal output, different voltage value correspond different distances. The actual distance is obtained by collecting the voltage value and then converting.
When the intelligent alarm device for preventing the intrusion of the object into the electrical equipment detects that the distance between the human body and the box-type substation is smaller than the safety distance set by the intelligent alarm device for preventing the intrusion of the object into the electrical equipment, the channel trigger is simulated, after the channel trigger is triggered for 1 second, the warning lamp control module of the central processing module alarms and outputs 5V high-frequency power to control the relay to be turned on, the warning lamp flashes to alarm, when the sensor detects that the human body leaves the warning distance, the warning lamp control module of the core control panel controls the relay to be turned off, and the warning lamp flashes; after the human body lasts for more than 5 seconds in the warning distance, namely the simulation trigger channel triggers for 5 seconds, the core control panel controls the audio decoding module to start, the audio files in the storage chip are decoded, the audio files are processed through the power amplifier chip, the player outputs voice alarm, the warning lamp flickers and simultaneously carries out voice alarm until the human body leaves the warning distance, the warning lamp flickers and stops, and the voice alarm stops.
Example two
The difference between this embodiment and the first embodiment is: the upper cover 1-1 and the side wall of the intelligent warning device for preventing the intrusion of the object into the electrical equipment are structurally designed in such a way that the upper cover 1-1 is not separated from the side wall when upward acting force is applied to the upper cover 1-1, the upper cover 1-1 is provided with a plurality of mounting holes for mounting the warning device on an application object, the mounting holes correspond to the mounting positions of the application object, the warning device and the application object are connected through the mounting holes by screws, and when the warning device is dismounted or maintained, the shell can be directly dismounted in a pulling mode, and devices inside and outside the shell can be replaced and maintained. The electrical equipment of fig. 1 and 2 prevents the intrusion of objects into the intelligent warning device. In fig. 1, the shell 1 and the upper cover 1-1 are designed into inclined planes, so that the sheet metal processing is convenient.
The sensor 2 is an infrared digital inductive switch sensor, the trigger channel is a digital trigger channel, and the output of the infrared digital inductive switch is a switch level signal.
The intelligent alarm device realizes the alarm in the following mode:
after the intelligent warning device is installed at the cover eaves of the box-type substation, and after the intelligent warning device is turned on, an infrared transmitter of the infrared sensor transmits infrared beams according to a certain angle, and after the infrared beams meet a human body, the beams can be reflected. After the reflected infrared light is detected by the CCD detector, an offset value is obtained, and the distance from the sensor to the human body is calculated after the emission angle, the offset distance, the central moment and the focal length of the filter are determined by utilizing the trigonometric relation.
The infrared digital induction switch outputs a switch electrical frequency signal, the switch is connected to a digital trigger channel of the control panel to realize proximity trigger, when a person enters the sensing range of the infrared digital induction switch sensor, the sensor detects the change of the infrared spectrum of the human body, when the digital foot electrical frequency is low, alarm is triggered, the switch is automatically switched on a load, after 1 second of triggering, the alarm control module of the core control panel alarms and triggers, 5V high electrical frequency is output to control an external relay to be turned on, the alarm lamp flashes to alarm, the person does not leave and is moving, the switch is continuously switched on, when the sensor detects that the person leaves the alarm distance, the switch delays to automatically turn off the load, the control module of the core control panel alarm lamp controls the relay to be turned off, and; when the human body lasts for more than 5 seconds in the warning distance, namely the digital channel triggers for 5 seconds, the core control panel controls the audio decoding module to start, the audio files in the storage chip are decoded, the audio files are processed through the power amplifier chip, the player outputs voice alarm, the warning lamp flickers and simultaneously carries out voice alarm until the human body leaves the warning distance, the warning lamp flickers and stops, and the voice alarm stops.
EXAMPLE III
The difference between this embodiment and the first and second embodiments is that the sensor 2 is a combination of an infrared analog distance measuring sensor and an infrared digital inductive switch sensor, the infrared analog distance measuring sensor trigger channel is an analog trigger channel, and the infrared digital inductive switch sensor trigger channel is a digital trigger channel.
The infrared simulation distance measuring sensor measures the reflection distance of an actual object, converts the distance into a simulation voltage signal to be output, different voltage values correspond to different distances, the actual distance can be obtained through collecting voltage values and conversion, when the distance from a human body to the sensor is close enough, the deviation value can be quite large and exceeds the detection range of the CCD, and at the moment, although the object is close, the detection capability of the sensor is weak.
The infrared digital inductive switch sensor is a diffuse reflection type photoelectric switch sensor, the measuring distance is selectable, the typical working condition is met, the output of the sensor is a switch electrical frequency model, the sensor is connected into a digital trigger channel of a control panel to realize proximity trigger, the use is convenient, the performance is stable and reliable, when a person enters a switch induction range, the switch is automatically switched on to load, the person does not leave and moves, the switch is continuously switched on, and after the person leaves, the switch automatically switches off the load.
Because the outdoor environment is complicated changeable, two kinds of sensors respectively have the advantage under the service environment of difference, so can cooperate and use infrared analog range finding sensor and infrared digital sensor switch sensor, the two mutual supplementary schemes that regard as.
In the above embodiment, intelligent alarm device can install around the eaves of high-voltage box-type substation or around the eaves below, also can install around the high-voltage line tower, and electric power operation district is around, security protection temporarily, also can permanent security protection. The intelligent warning device is installed and applied to enable people and vehicles approaching to the intelligent warning device to be sensed at equal intervals around the object, and can give an alarm for the people and vehicles entering the warning area around the object.
In the above embodiment, when the external object got into the application apparatus warning district of setting for in, warning light area scintillation voice system did not report to the police, and the back is left to the external object, and warning light area stops the scintillation, and only when the external object lasts several seconds in the warning district, warning light area scintillation starts pronunciation warning simultaneously, has just so avoided at public place unnecessary audible alarm, can be applied to the big public place of flow of people.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (13)
1. An intelligent alarm device for preventing an object from invading electrical equipment is characterized in that the structure comprises:
a housing (1) having a continuous length and a holding space; the top of the shell (1) is provided with a movably detachable upper cover (1-1), any side surface is provided with a light trough (1-2) for mounting a warning light, and the bottom is provided with a plurality of sensor fixing holes (1-3);
a sensor (2) installed in the sensor fixing hole (1-3);
a warning lamp (3) arranged in a lamp trough (1-2) of the shell (1);
a player disposed outside the casing (1);
and the control panel is arranged in the shell (1) and is respectively connected with the sensor (2), the warning lamp (3) and the player.
2. The intelligent warning device for preventing the intrusion of objects into electrical equipment according to claim 1, wherein a plurality of mounting holes (1-4) are formed on the upper cover (1-1) or the surface opposite to the light trough (1-2).
3. The intelligent alarm according to claim 1, characterised in that the upper cover (1-1) covers the side wall of the top of the housing (1).
4. The intelligent alarm according to claim 3, wherein the upper cover (1-1) and the side wall structure are designed such that the upper cover (1-1) is not separated from the side wall of the housing (1) when an upward force is applied to the upper cover (1-1).
5. The intelligent alarm according to claim 3, characterised in that the upper cover (1-1) is fixed on the side wall of the housing (1) by screws.
6. The intelligent warning device for preventing the intrusion of objects into the electrical equipment as claimed in claim 1, wherein the sensor is an infrared distance measuring sensor or/and an infrared digital inductive switch sensor.
7. The intelligent alarm device for preventing the intrusion of objects into electrical equipment according to claim 1, wherein the sensor (2) is fixed at the bottom of the housing (1) through a sensor shield (4), and the sensor shield (4) is fixedly connected with the bottom of the housing (1) in a detachable manner.
8. The intelligent warning device for preventing the intrusion of objects into the electrical equipment according to claim 1 or 5, wherein each component and module are connected to the control board through a circuit, and the intelligent warning device comprises: a power interface for connecting an external power supply;
the indicating lamp is used for indicating the power on of the main control panel;
a sensor power supply to supply power to the sensor;
a trigger channel for receiving the output signal of the sensor;
a voice controller;
a warning light controller;
an audio memory;
and the central processing template receives the transmission signal of the trigger channel, judges the signal and sends an instruction signal to the voice controller and the warning light controller.
9. The intelligent alarm device for preventing the intrusion of objects into the electrical equipment according to claim 8, wherein the control board is provided with an integrated control port, comprising: a power supply port connected with an external power supply;
the audio output port of the player is connected;
a warning lamp control port connected with the warning lamp;
an analog quantity triggering channel port connected with the sensor;
a 5V power supply pin port for supplying power to the sensor;
an indicator light port.
10. The intelligent warning device for preventing the intrusion of objects into electrical equipment according to claim 9, wherein said integrated control port is an expandable port.
11. The intelligent alarm device for preventing the intrusion of objects into the electrical equipment as claimed in claim 8, wherein the trigger channel is an analog trigger channel or/and a digital trigger channel.
12. The intelligent warning device for preventing the intrusion of the object into the electrical equipment as claimed in claim 11, wherein the analog triggering channel receives the voltage signal output by the infrared distance measuring sensor and converts the voltage signal into the distance signal.
13. The intelligent warning device for preventing the intrusion of objects into electrical equipment as claimed in claim 11, wherein the digital trigger channel receives the digital signal output by the infrared digital inductive switch sensor.
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| CN104196326A (en) * | 2014-09-18 | 2014-12-10 | 国家电网公司 | Infrared safety guard fence for power maintenance |
| CN204060142U (en) * | 2014-09-18 | 2014-12-31 | 国家电网公司 | The infrared safe fence of electric power overhaul |
| CN204390418U (en) * | 2015-01-19 | 2015-06-10 | 衢州光明电力工程有限公司 | A kind of panel box electricity consumption guard system |
| CN206210056U (en) * | 2016-11-22 | 2017-05-31 | 北京和佳铁信科技有限公司 | A kind of safe police timberline |
| CN106846693A (en) * | 2017-02-09 | 2017-06-13 | 国网浙江三门县供电公司 | One kind has electric risk notification device |
| CN207458274U (en) * | 2017-11-06 | 2018-06-05 | 国网四川省电力公司攀枝花供电公司 | For the protection against electric shock active alarm system of distribution transformer equipment |
| CN211319341U (en) * | 2020-01-16 | 2020-08-21 | 国网宁夏电力有限公司 | Intelligent alarm device for preventing object from invading electrical equipment |
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