CN202748912U - Red line equipment warning device - Google Patents
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- CN202748912U CN202748912U CN 201220456677 CN201220456677U CN202748912U CN 202748912 U CN202748912 U CN 202748912U CN 201220456677 CN201220456677 CN 201220456677 CN 201220456677 U CN201220456677 U CN 201220456677U CN 202748912 U CN202748912 U CN 202748912U
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Abstract
The utility model provides a red line equipment warning device, which comprises a sensor, a microcontroller, an acoustic alarm module, and a storage module provided with preset audio files, wherein the sensor is connected with the microcontroller, and used for sensing a target object getting close to red line equipment and transmitting electric induction signals produced after sensing the target object to the microcontroller; the microcontroller is connected with the acoustic alarm module and the storage module, and used for receiving induction signals sent by the sensor, reading the audio files, which are stored in the storage module, corresponding to the induction signals according to the induction signals, and driving the acoustic alarm module to give out a warning sound by using the read audio files. The technical solution provided by the utility model can realize auditory alarm.
Description
Technical field
The utility model relates to the T ﹠ D Technology field, particularly a kind of red-line instrumentation alarming device.
Background technology
In the T ﹠ D Technology field, owing to relating to the reasons such as high pressure, long-distance transmissions, there is potential danger in power transmission and transforming equipment.In addition, the technical merit that is limited to this area, may there be congenital design defect in power transmission and transforming equipment, perhaps, be limited to the existing ability of maintenance, go wrong in the power transmission and transforming equipment operational process and fail to obtain on-call maintenance, under above-mentioned these situations, all may threaten to the object near red-line instrumentation or damage red-line instrumentation.This object that approaches is produced threatens or because the approaching power transmission and transforming equipment that causes damaging of object is commonly referred to " red-line instrumentation ", need to be paid special attention to or protect.For the staff's that guarantees to contact red-line instrumentation life safety, perhaps other objects near red-line instrumentation damage red-line instrumentations, must warn, in order to note during maintenance or keep clear of red-line instrumentation.
The mode that provides caution in the prior art is: paste warning sign at red-line instrumentation, note when reminding maintenance personal's operation of red-line instrumentation, or near the pedestrian of red-line instrumentation as far as possible away from red-line instrumentation.Although this mode can play certain warning function, yet, because this mode is mainly by people's visual reception prompting, do not recognize or light under the situation at weak (as: dim weather or night) the operating personnel, can't play warning function, still may cause life harm.In addition, for non-artificial object, warning sign can not play a role.
The utility model content
Because prior art can not solve the caution problem of red-line instrumentation preferably, the utility model provides a kind of red-line instrumentation alarming device, can provide sound or sound and light alarm by this device, thereby effectively prevent power transmission and transforming equipment that object is caused potential danger or do not damage red-line instrumentation.
The red-line instrumentation alarming device that the utility model provides comprises: sensor, microcontroller harmony alarm module, and the memory module that presets audio file, wherein:
Described sensor is connected with microcontroller, is used for induction near the object of red-line instrumentation, and sends the electro-induction signal that produces behind the induction targets thing to microcontroller;
Described microcontroller is connected with acoustic alarm module, memory module respectively, be used for the electro-induction signal that receiving sensor sends, and according to the audio file corresponding with this electro-induction signal of storing in this electro-induction signal-obtaining memory module, utilize the audio file that reads to drive described acoustic alarm module and send alarming sound.
Preferably, described sensor comprises Fresnel Lenses system and infrared induction unit, wherein:
Described Fresnel Lenses system comprises a plurality of lens units, the lens field of the adjacent lens cells blind area that is separated by, and object movement in the Fresnel Lenses system ken can produce interrupted transmission signal;
Described infrared induction unit forms the electro-induction signal by detecting described interrupted transmission signal, and this electro-induction signal is sent to microcontroller.
Preferably, described microcontroller comprises: operational amplifier, two-way amplitude discriminator and relay, wherein:
Described operational amplifier is connected with two-way amplitude discriminator, and the electro-induction signal that is used for the sensor that will receive amplifies, and the signal after will amplifying sends to two-way amplitude discriminator;
Described two-way amplitude discriminator is connected with relay, identifies trigger pip for the signal after amplification, and this trigger pip is sent to relay to drive the relay conducting.
Further preferably, described microcontroller also comprises state controller, time delay timer and blocking time timer, described state controller respectively with time delay timer, blocking time timer be connected, then: described two-way amplitude discriminator is connected with relay by state controller.
Preferably, described device also comprises power amplifier, with the alarming sound that amplifies the acoustic alarm module and send.
Preferably, described device comprises power module, and this power module comprises mu balanced circuit, the input capacitance element that is connected with mu balanced circuit, the inductance element that is connected with mu balanced circuit, and the diode and the output capacitance element that become the π type to be connected with inductance element.
Preferably, described device also comprises display device, is used for showing word content corresponding to audio file.
Further preferably, the display screen of described display device is comprised of printing opacity fluorescent screen material.
Preferably, the sensor of described device comprises a plurality of, and then: described microcontroller also comprises the logical OR module, is used for the electro-induction signal of a plurality of sensors is carried out the logical OR operation, and the result of logical OR operation is sent to microcontroller.
Preferably, described device places in the closed box.
The red-line instrumentation alarming device that the utility model embodiment provides reads the audio file that preset by microcontroller by the existence of sensor sensing object after sensing object, and utilizes this audio file to drive the acoustic alarm module sound.Compared with prior art, but the automatic detection of the utility model realize target thing can be sent alarming sound automatically after detecting object, thereby plays the effect that sound sensation is reported to the police, and then avoids red-line instrumentation or object are caused unnecessary harm.In addition, the utility model embodiment can also have display device, and after detecting destination object, the word content that alarming sound is corresponding shows, thereby plays the effect of visual alarm.
Description of drawings
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, the accompanying drawing that the following describes only is some embodiment that put down in writing among the application, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structured flowchart of the utility model embodiment;
Fig. 2 is a kind of circuit structure diagram of the microcontroller of the utility model embodiment;
Fig. 3 is a kind of circuit structure diagram of the acoustic alarm module of the utility model embodiment;
Fig. 4 is a kind of circuit structure diagram of the power amplifier of the utility model embodiment;
Fig. 5 is a kind of circuit structure diagram of the power module of the utility model embodiment.
Embodiment
In order to make those skilled in the art person understand better technical scheme among the application, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment only is the application's part embodiment, rather than whole embodiment.Based on the embodiment among the application, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all should belong to the scope of the application's protection.
For above-mentioned purpose, the feature and advantage that make the application can become apparent more, below in conjunction with the drawings and specific embodiments the application is described in further detail.
Embodiment one
Referring to Fig. 1, the figure shows the composition structured flowchart of the red-line instrumentation alarming device of an embodiment of the utility model.This alarming device 100 comprises: sensor 101, microcontroller 102 harmony alarm modules 103, and the memory module 104 that presets audio file, wherein:
The principle of work of this device embodiment is: when object is arranged near red-line instrumentation, be installed on the red-line instrumentation or red-line instrumentation near sensor sensing to object, and producing the electro-induction signal corresponding with this object, this inductive signal is sent to microcontroller; After microcontroller receives this electro-induction signal, in memory module, read the audio file corresponding with this induced signal, then the audio file that reads is sent to the acoustic alarm module with electrical signal form, drive the acoustic alarm module and send alarming sound.
The red-line instrumentation alarming device that the present embodiment provides reads the audio file that preset by microcontroller by the existence of sensor sensing object after sensing object, and utilizes this audio file to drive the acoustic alarm module sound.Compared with prior art, but the automatic detection of the utility model realize target thing, after detecting object, can automatically send alarming sound, thereby carrying out sound sensation reports to the police, especially dim in sight line or night, more can play the effect of pointing out by the sound sensation warning, and then avoid red-line instrumentation or object are caused unnecessary harm.
Need to prove: owing to red-line instrumentation is in can be placed in special house, more common situation is arranged on the open air, therefore, the present embodiment described " object " can be the people, also can be other toys, even can be such as objects such as vehicles, correspondingly, the sound that " audio file " comprises can be human language sound, also can be the terrified sound etc. of other dispersing property.When maintenance of equipment personnel, other holdees near or during through red-line instrumentation, in a single day sensor detects human body, the sound driver acoustic alarm module that then reads in the corresponding audio file by microcontroller is sent caution sound.Such as, alarming sound can for: " red-line instrumentation is taken care! ".When the close red-line instrumentations such as toy, in a single day sensor detects the toy health, and the sound driver acoustic alarm module that then reads in the corresponding audio file by microcontroller is sent caution sound.Such as, alarming sound can be ear-piercing mixed and disorderly sound, terrified sound etc.Although the present invention can adopt for different object objects a kind of sound caution form, but the such storage space of conserve memory, the reaction velocity of raising device.But based on the characteristics that arrange (placing outdoor situation more) of red-line instrumentation, the present embodiment preferred pin presets different audio files to dissimilar object.(volume such as the people is usually larger for the volume of the object that the type that audio file presets can detect according to sensor, the toy small volume), highly (height such as the people is usually higher, toy is usually shorter), influence degree to induced signal, the distribution of electro-induction signal (such as, people's face, knee, the infrared radiations such as arm are strong, there is significant difference in distribution at induced signal) etc. factor corresponding signal strength scale is set, the bases for estimation such as signal shape, thereby according to signal strength scale, corresponding audio file is read in the judgements such as signal shape, realizes targetedly caution.
Embodiment two
For technical scheme of the present invention is described in more detail, provide second embodiment of the embodiment of the present application below in conjunction with accompanying drawing.The device of the present embodiment comprises: sensor, microcontroller harmony alarm module, and the memory module and the power module that preset audio file.Each building block has respectively following structure:
The sensor of the present embodiment is released the unit by Fresnel Lenses system and two opposite electric heating of polarised direction and is formed.The Fresnel Lenses system is a kind of optical system of precision, is generally used for releasing the unit with electric heating and supports the use.The Fresnel Lenses system comprises a plurality of lens units, and each lens unit has a visual field, and is also not overlapping since the lens field of adjacent two unit is discontinuous, forms a blind area.When thermal source (such as: when the people) before lens combination, moving, enter from the lens field of a certain lens unit, then withdraw from and enter into next lens field, interrupted transmission signal one by one occurs thus.According to the practical application needs, different settings can be carried out in the visual field of lens unit, such as, can the alarm level field angle being set to greater than 90 °, vertical field of view angle maximum is set to 90 °, and operating distance is set to 10-15m.Release the unit for electric heating, because it is just in time opposite that two electric heating are released the element polarised direction, when not having object to enter induction range, ambient background radiation is released element to two heat and is almost had same function, the electrical effect of releasing of its generation is cancelled each other, will can not export the signal that needs.In case object enters induction zone, the partial mirror of the infrared radiation of object by the Fresnel Lenses system focuses on, and released the unit by two electric heating and receives, and the heat that the unit receives is different, heat is released the effect difference but two electric heating is released, can not cancel out each other, thus the signal that output needs.
Referring to Fig. 2, the figure shows the internal circuit configuration of the microcontroller of the present embodiment.This microcontroller comprises: preamplifier OP1, two-level operating amplifier OP2, the two-way amplitude discriminator that is formed by the first voltage comparator COP1 and second voltage comparator C OP2 and OR circuit U1, state controller, time delay timer and blocking time timer, and the composition such as relay (not shown), the annexation between them is as shown in the figure.Its course of work is:
When infrared induction unit (such as PIR) detects from the infrared radiation of human body with cordless and convert thereof into the electro-induction signal, this electro-induction signal is by the input port (IN+ of input microcontroller, IN-) be imported into preposition fortune amplifier OP1, carry out the secondary amplification through being coupled to two-level operating amplifier OP2 by resistance-capacitance network again after the preamplifier OP1 amplification, DC potential is raised as delivering to behind the built-in voltage Vm by the first voltage comparator COP1, the two-way amplitude discriminator that second voltage comparator C OP2 and OR circuit U1 form is by detecting effective trigger pip Vs the signal of two-way amplitude discriminator after amplifying.In actual application, can be with the built-in voltage V of two-way amplitude discriminator
HBe set to 0.7V
DD, V
LBe set to 0.3V
DDIf, V
DDBe set to 5V, then can effectively suppress ± the interior noise of 1V scope.In addition, microcontroller when comprising condition comparator C OP3 and AND circuit U2, the input V of condition comparator C OP3
CControlled by photoresistance, photoresistance is a kind of circuit devcie that thereupon changed by the different resistances of intensity of illumination, such as, daylight intensity is large, and the photoresistance cell resistance is less, passes through V
CTo condition comparer input low level; Evening, intensity of illumination was little, and the photoresistance cell resistance is larger, passes through V
CTo condition comparer input high level.V when the initial conditions comparer
CLess than built-in voltage V
R(V in actual application
RCan be set to 0.2V
DD) time, condition comparer output low level seals effective trigger pip Vs and sends to subordinate; V when the initial conditions comparer
CGreater than built-in voltage V
RThe time, condition comparer output high level is opened AND circuit U2, and effectively trigger pip Vs can send to subordinate, and at this moment trigger pip Vs starts back off timer or blocking time controller by state controller, exports simultaneously high level and is used for pilot relay.
Need to prove: generally, for economical with materials and reflection efficient is provided, can not arrange such as the state controller in the above-mentioned microcontroller, the time delay device such as timer and blocking time controller.But in actual application, in order to improve better the performance of alarming device, the present invention can preferably arrange components and parts as above.Can be microcontroller two kinds of triggering modes are provided by delay timer is set: the one: not reproducible triggering mode, this mode is behind induction output high level, time-delay a period of time finishes, and the electric signal that is used for the driving relay of output will become low level from high level automatically; The one, but the repeated trigger mode, this mode is behind induction output high level, in the delay time section, if object is movable in its induction range, the electric signal that is used for the driving relay of output will keep high level always, until object leaves rear ability high level is become low level, these two kinds of triggering modes can be selected by wire jumper.By being set, the blocking time controller can make microcontroller have the induction blocking time, this blocking time controller can be after induction output, immediately following a blocking time section (this time period can arrange in the scope at 1/10th seconds to tens seconds) is set, at this moment between in the section microcontroller do not accept any induced signal.By this one side is set and realizes " induction output time " and " blocking time " both interval work, make the embodiment of the present application be applied to the interval and survey product; The various interference that produce when but the establishment load is switched on the other hand.
Referring to accompanying drawing 3, the figure shows the acoustic alarm module of the present embodiment and the internal circuit configuration of memory module.In the present embodiment, this circuit that comprises acoustic alarm module and memory module is comprised of recording and playback ic, and recording and playback ic can have the function of recording, storage, playback simultaneously.When REC switch (by microprocessor controls relay or manual control) is connected, the work that writes of beginning audio file, i.e. recording.Light emitting diode (such as the D1 among the figure) can be set according to actual needs, when D1 is in illuminating state, indicate and record.The present embodiment can also be regulated typing voice speed by the potentiometer that changes ROSC end in the recording and playback ic, and the typing time, more minor matter was better, and the typing time, more long matter was poorer.The present embodiment is owing to AGC automatic gain control and the bandpass filter of audio file through this recording and playback ic, and its tonequality is better than common microphone amplifier, and the loudspeaker overload situations can not occur.After in this manner audio file being write, playable when the microprocessor controls relay is connected circuit.The playback modes of the present embodiment comprises two kinds: (1) edging trigger playback, when the microprocessor controls relay is connected PE key place circuit, realize the full section recording of disposable broadcast by the edging trigger of trigger pip; (2) level triggers playback, when the microprocessor controls relay was connected PL key place circuit, by the stable level triggering playback of trigger pip, playback finished when stable level finished.Except these two kinds triggering playbacks, can also make the sound loop play of broadcast, as carrying out loop playback by microprocessor controls CYC switch connection in the present embodiment.
Although generally can directly drive sound horn by recording and playback ic described above, because red-line instrumentation many places outdoor environment, volume needs enough could normally play a role greatly.For this reason, the present embodiment preferably arranged power amplifier before driving sound horn, was used for sound is amplified.Referring to Fig. 4, the figure shows the circuit structure of the power amplifier of the present embodiment.This circuit structure system mainly is comprised of the TDA2050 power amplifier chips, from the voice signal of aforementioned recording and playback ic output SP+(or the SP-by recording and playback ic) be coupled to an end of this power amplifier as input end Audio in, the SP-(of recording and playback ic or SP+) unsettled, earth-free.Volume by this power amplifier structure output can be regulated by potentiometer R7.In actual application, also can increase heat radiator at the package body of this circuit structure, the heat that produces to distribute this circuit guarantees the normal operation of circuit.
Referring to Fig. 5, the figure shows the circuit structure of the power module of the embodiment of the present application.Power module comprises mu balanced circuit LM2596, the input filter capacitor Cin that is connected with mu balanced circuit and the inductance L 1 that is connected with mu balanced circuit, and the diode D that is connected with 1 one-tenth of inductance L " π type " and the output filter capacitor Cout(inductance element top rail branch circuit that is the π type, diode and output filter capacitor are the left and right sides branch circuit of π type), in the present embodiment, power module also comprises the led circuit of indication power supply light on and off.In concrete the application, can the selecting according to following mode of each ingredient:
For the resistance value of inductance L 1, can select according to parameters such as the output voltage of LM2596, maximum input voltage, maximum load current: calculate " voltage microsecond constant (ET) " according to following formula first:
E·T=(Vin-Vout)×Vout/Vin×1000/f
In the following formula: Vin is the maximum input voltage of LM2596, and Vout is the output voltage of LM2596, and f is the working oscillation frequency value (150kHz) of LM2596.
After " voltage microsecond constant (ET) " determined, corresponding " voltage microsecond constant (ET) " and load current curve that the comparable data handbook provides were searched required inductance value.
Capacitance for input filter capacitor and output filter capacitor: input filter capacitor Cin generally should be more than or equal to 100uF, and as far as possible near the input pin of LM2596, its withstand voltage should be complementary with the maximum input voltage value during installation; Output filter capacitor Cout value can be calculated according to following formula (uF of unit), and its withstand voltage should greater than 1.5-2 times of rated output voltage, for the 5V Voltage-output, preferably use withstand voltage to be the capacitor of 16V:
Cout≥13300Vin/Vout×L
In the following formula: Vin is the maximum input voltage of LM2596, and Vout is the output voltage of LM2596, and L is for as calculated and the value of the inductance L 1 selected of tabling look-up, and unit is uH.In the present embodiment, for reducing the height of circuit board component, input filter capacitor Cin is comprised of three electric capacity, is respectively C1, C2, C3; Output filter capacitor Cout represents with C4.
Selection for diode: diode D generally can use the schottky diode of 1N582x series, its load current value is selected 1.2 times greater than maximum load current, consider the situation of load short circuits in the practical application, the load current value of diode is more preferably greater than the maximum current limit of LM2596.The reverse voltage of diode D is selected 1.25 times greater than maximum input voltage.
The present embodiment except the technique effect that can obtain embodiment one, also have be quick on the draw, volume is small and exquisite, easy for installation, safeguard the characteristics such as simple, can really realize the all-weather safety warning function, do not increase operations staff's extra work burden simultaneously.
Need to prove: for for purpose of brevity, in the above-mentioned all kinds of circuit structure diagrams of the present embodiment, different with focus according to actual needs, whole pins of relevant chip or all components of circuits are not all given introduction, those of ordinary skills should be able to know relative part in conjunction with the disclosed content of foregoing circuit.
Exemplary two embodiment that provided the application of foregoing, in actual application, based on above-described embodiment, those of ordinary skills can also make one or more distortion.Such as: according to actual needs, above-described embodiment is made following improvement process:
(1) components and parts that respectively form with the embodiment of the present application alarming device are integrated among one or a small amount of circuit board, the volume of alarming device is greatly reduced, both made things convenient for the workman to install, can save cost again, lay a good foundation for alarming device carries out penetration and promotion in a large amount of red-line instrumentations.
(2) in the embodiment of the present application alarming device, increase display device, be used for the word content that audio file is corresponding and show.The display screen of display device can adopt printing opacity fluorescent screen material.After having the people to arrive near red-line instrumentation, by sensor sensing, when sending caution sound by microcontroller triggering acoustic alarm module, also light inner light, caveat is projected display screen, thereby realize the sense of hearing, vision double knock, really realize round-the-clock warning.
(3) the embodiment of the present application alarming device integral body is placed in the closed box, thereby realize waterproof, protection against the tide, dustproof, adapted to a large amount of red-line instrumentations and be arranged at outdoor application needs.
(4) power module of the embodiment of the present application alarming device is except can adopting common power supply (dry cell, accumulator, electric consumption on lighting), also can adopt photovoltaic cell etc. to utilize the supply unit supply power of sun power, reduce like this loss to common electric weight, strengthened the serviceable life of alarming device reality.
(5) the application does not all limit the face shaping of alarming device of the present invention, mounting means, number of sensors etc.Such as: the outward appearance of alarming device can be set to rectangular parallelepiped, square or right cylinder according to the installation needs of red-line instrumentation.The fixed form of alarming device can be directly to be bundled on the red-line instrumentation, also can be fixed on red-line instrumentation near.When alarming device is bundled on the red-line instrumentation, available ring-type anchor ear is fixed on the respective strut of red-line instrumentation, under this kind situation, sensor can comprise a plurality of, the probe of these sensors evenly is embedded in the anchor ear, by the logical OR module a plurality of sensors are carried out logical OR operation, thereby realize 360 degree inductions, without the dead band; In the time of near alarming device is fixed on red-line instrumentation, can two or more supports be set at alarming device, this support is built near red-line instrumentation ground with cement, under this kind situation, sensor also can comprise a plurality of, the probe of these sensors is installed on the red-line instrumentation four sides, by the logical OR module a plurality of sensors is carried out the logical OR operation, thereby realizes omnibearing inducing function.
Above-described the utility model embodiment, and exemplary improvement do not consist of the restriction to the utility model protection domain.Any modification of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the claim protection domain of the present utility model.
Claims (10)
1. a red-line instrumentation alarming device is characterized in that, this device comprises: sensor, microcontroller harmony alarm module, and the memory module that presets audio file, wherein:
Described sensor is connected with microcontroller, is used for induction near the object of red-line instrumentation, and sends the electro-induction signal that produces behind the induction targets thing to microcontroller;
Described microcontroller is connected with acoustic alarm module, memory module respectively, be used for the electro-induction signal that receiving sensor sends, and according to the audio file corresponding with this electro-induction signal of storing in this electro-induction signal-obtaining memory module, utilize the audio file that reads to drive described acoustic alarm module and send alarming sound.
2. device according to claim 1 is characterized in that, described sensor comprises Fresnel Lenses system and infrared induction unit, wherein:
Described Fresnel Lenses system comprises a plurality of lens units, the lens field of the adjacent lens cells blind area that is separated by, and object movement in the Fresnel Lenses system ken can produce interrupted transmission signal;
Described infrared induction unit forms the electro-induction signal by detecting described interrupted transmission signal, and this electro-induction signal is sent to microcontroller.
3. device according to claim 1 is characterized in that, described microcontroller comprises: operational amplifier, two-way amplitude discriminator and relay, wherein:
Described operational amplifier is connected with two-way amplitude discriminator, and the electro-induction signal that is used for the sensor that will receive amplifies, and the signal after will amplifying sends to two-way amplitude discriminator;
Described two-way amplitude discriminator is connected with relay, identifies trigger pip for the signal after amplification, and this trigger pip is sent to relay to drive the relay conducting.
4. device according to claim 3, it is characterized in that, described microcontroller also comprises state controller, time delay timer and blocking time timer, described state controller respectively with time delay timer, blocking time timer be connected, then: described two-way amplitude discriminator is connected with relay by state controller.
5. device according to claim 1 is characterized in that, described device also comprises power amplifier, with the alarming sound that amplifies the acoustic alarm module and send.
6. device according to claim 1, it is characterized in that, described device comprises power module, this power module comprises mu balanced circuit, the input capacitance element that is connected with mu balanced circuit, the inductance element that is connected with mu balanced circuit, and the diode and the output capacitance element that become the π type to be connected with inductance element.
7. any one described device in 6 according to claim 1 is characterized in that, described device also comprises display device, is used for showing word content corresponding to audio file.
8. device according to claim 7 is characterized in that, the display screen of described display device is comprised of printing opacity fluorescent screen material.
9. device according to claim 1, it is characterized in that, the sensor of described device comprises a plurality of, and then: described microcontroller also comprises the logical OR module, be used for the electro-induction signal of a plurality of sensors is carried out the logical OR operation, and the result of logical OR operation is sent to microcontroller.
10. device according to claim 1 is characterized in that, described device places in the closed box.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220456677 CN202748912U (en) | 2012-09-07 | 2012-09-07 | Red line equipment warning device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220456677 CN202748912U (en) | 2012-09-07 | 2012-09-07 | Red line equipment warning device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102819931A (en) * | 2012-09-07 | 2012-12-12 | 宁波电业局 | Red line equipment caution device |
| CN108831107A (en) * | 2018-07-17 | 2018-11-16 | 河南森源电气股份有限公司 | A kind of hazard detection system and a kind of substation |
-
2012
- 2012-09-07 CN CN 201220456677 patent/CN202748912U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102819931A (en) * | 2012-09-07 | 2012-12-12 | 宁波电业局 | Red line equipment caution device |
| CN108831107A (en) * | 2018-07-17 | 2018-11-16 | 河南森源电气股份有限公司 | A kind of hazard detection system and a kind of substation |
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