CN201956663U - Infrared induction automatic power off alarm device - Google Patents
Infrared induction automatic power off alarm device Download PDFInfo
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- CN201956663U CN201956663U CN2011200701658U CN201120070165U CN201956663U CN 201956663 U CN201956663 U CN 201956663U CN 2011200701658 U CN2011200701658 U CN 2011200701658U CN 201120070165 U CN201120070165 U CN 201120070165U CN 201956663 U CN201956663 U CN 201956663U
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Abstract
The utility model relates to the technical field of safety devices in high-voltage test occasions, in particular to an infrared induction automatic power off alarm device. The utility model adopts the following technical scheme: the infrared induction automatic power off alarm device comprises an infrared sensor, a main controller, a release, a low-voltage power supply and a three-phase power supply source, wherein the sensing signal output end of the infrared sensor and the drive coil end of the release are respectively connected with the I/O (input/output) end of the main controller; releasing switch groups of the release are connected in series to all power lines of the three-phase power supply source; and the low-voltage power supply is connected to the three-phase power supply source so as to provide working voltage for the infrared sensor, the main controller and drive coils of the release. By adopting the technical scheme, when an experimenter or others enter a test region by mistake, the release of the device can automatically release to cut off the power, thus, the personal safety of persons who enter the test region by mistake is ensured.
Description
Technical field
The utility model relates to the technical field of safety devices in Hi-pot test place, relates in particular to the automatic power failure alarm device of a kind of infrared induction.
Background technology
At the voltage of power test site, because of the convenience of test need, the joint of various power circuits mostly is the open-wire line that exposes, at the circuit of power test repeatedly in the process of reconfiguration, open-wire line joint reconfiguration is convenient, but also there is great potential safety hazard: when experimenter oneself or other people mistake is rushed the test section, get an electric shock with regard to meeting these open-wire line joints most probably, perhaps in the high-voltage test district that has high voltage electric field, as long as anyone enters this place,, also may get an electric shock by electric arc even do not touch the open-wire line that exposes, therefore, remain to be improved for the safeguard procedures of personal safety in existing power voltage tester place.
The utility model content
At the deficiency of prior art scheme, the utility model proposes a kind of automatic power failure alarm device of a kind of infrared induction that is used for the Hi-pot test place.
The technical solution adopted in the utility model is as follows:
The automatic power failure alarm device of a kind of infrared induction, comprise: infrared sensor, master controller, release, low-tension supply and three phase supply power supply, wherein, the drive coil end of the transducing signal output of described infrared sensor, described release connects the I/O end of master controller respectively, the dropout switches set of release is serially connected with on each power line of above-mentioned three phase supply power supply, and described low-tension supply is connected to above-mentioned three phase supply power supply and provides direct-current working volts for the drive coil of above-mentioned infrared sensor, master controller, release.
Further, the automatic power failure alarm device of above-mentioned infrared induction also comprises: the voltage sensor, a current sensor, a Temperature Humidity Sensor and the LCDs that are connected to described master controller respectively, this voltage sensor, current sensor are located at respectively on the described three phase supply power line, and this Temperature Humidity Sensor is arranged on the voltage tester place.
Further, described voltage sensor is to be connected and composed by a voltage transformer and an amplifying circuit, and described current sensor is to be connected and composed by a current transformer and an amplifying circuit.
Further, described amplifying circuit comprises the first amplifier OP1, the second amplifier OP2, the first diode D1, the second diode D2, first resistance R 1, second resistance R 2, the 3rd resistance R 3, the 4th resistance R 4, wherein, first resistance R 1 is connected the first amplifier OP1 with second resistance R 2 and constitutes first voltage follower, the positive pole of the first diode D1 connects the output of the first amplifier OP1, its negative pole connects the reverse input end of the first amplifier OP1, the 3rd resistance R 3, the 4th resistance R 4 connects the second amplifier OP1 and constitutes second voltage follower, the output of first voltage follower connects the inverting input of the second amplifier OP2 in second voltage follower, the in-phase input end parallel connection of the in-phase input end of first voltage follower and second voltage follower by the second diode D2.
The utility model is by adopting technique scheme, and the beneficial effect that has is:
1, when experimenter oneself or other people mistake was rushed the test section, the infrared sensor of the automatic power failure alarm device of infrared induction produced triggering signal after monitoring human body, threads off via the main controller controls release, cuts off electric power then, ensured the mistake person of rushing personal safety;
2, can detect the temperature and humidity of power voltage line, electric current and test environment in real time, and show, the convenient observation of tester test environment by LCDs.
Description of drawings
Fig. 1 is the system configuration schematic diagram of the utility model embodiment.
Fig. 2 is the schematic diagram of amplifying circuit in the utility model voltage/current sensor.
Embodiment
Now with embodiment the utility model is further specified in conjunction with the accompanying drawings.
The automatic power failure alarm device of a kind of infrared induction, be to constitute by infrared sensor 1, master controller 2, release 3, low-tension supply 4 and three phase supply power supply 5, wherein, the transducing signal output of described infrared sensor 1, the drive coil end of described release 3 connect the I/O end of master controller 2 respectively, the dropout switches set of release 3 is serially connected with on each power line of above-mentioned three phase supply power supply 5, and described low-tension supply 4 is connected to above-mentioned three phase supply power supply 5 and provides direct-current working volts as+5V for the drive coil of above-mentioned infrared sensor 1, master controller 2, release 3.
As one preferred embodiment, the automatic power failure alarm device of above-mentioned infrared induction also has: the voltage sensor 6, a current sensor 7, a Temperature Humidity Sensor 8 and the LCDs 9 that are connected to described master controller respectively, this voltage sensor 6, current sensor 7 are located at respectively on described three phase supply power supply 5 power lines, and this Temperature Humidity Sensor 8 is arranged on the voltage tester place.
As one preferred embodiment, described voltage sensor 6 is to be connected and composed by a voltage transformer and an amplifying circuit, and described current sensor 7 is to be connected and composed by a current transformer and an amplifying circuit.
As one preferred embodiment, described amplifying circuit comprises the first amplifier OP1, the second amplifier OP2, the first diode D1, the second diode D2, first resistance R 1, second resistance R 2, the 3rd resistance R 3, the 4th resistance R 4, wherein, first resistance R 1 is connected the first amplifier OP1 with second resistance R 2 and constitutes first voltage follower, the positive pole of the first diode D1 connects the output of the first amplifier OP1, its negative pole connects the reverse input end of the first amplifier OP1, the 3rd resistance R 3, the 4th resistance R 4 connects the second amplifier OP1 and constitutes second voltage follower, the output of first voltage follower connects the inverting input of the second amplifier OP2 in second voltage follower, the in-phase input end parallel connection of the in-phase input end of first voltage follower and second voltage follower by the second diode D2.
The release 3 of the automatic power failure alarm device of infrared induction of the present utility model is connected on the three phase supply power supply 5 in voltage tester place, the low-tension supply 4 of this device is connected to the end of incoming cables of release 3 on the three phase supply power supply 5, the infrared sensor 1 of this device is arranged on the inlet in voltage tester place, when experimenter oneself or other people mistake is rushed the test section, infrared sensor 1 produces triggering signal, this triggering signal is after master controller 2 is handled, master controller 2 control releases take off 3 buttons, cut off electric power to ensure the mistake person of rushing personal safety, in addition, the voltage sensor 6 of this device, current sensor 7, Temperature Humidity Sensor 8 test condition of monitoring voltage test site in real time also shows by LCDs 9, make the tester outside the deathtrap of test site, just can observe test condition, further ensured tester's personal safety.
In addition, the amplifying circuit of the voltage/current sensor of the automatic power failure alarm device of infrared induction of the present utility model, the prime of its first voltage follower be one by 50 times voltage transformer or current transformer, the first diode D1, the second diode D2 play rectified action in circuit, second voltage follower output galvanic current is pressed and electric current, and first resistance R 1, second resistance R 2, the 3rd resistance R 3, the 4th resistance R 4 play impedance matching.If (explanation of this partial content has problem, please inventor's detailed modification.）
Although specifically show and introduced the utility model in conjunction with preferred embodiment; but the those skilled in the art should be understood that; in the spirit and scope of the present utility model that do not break away from appended claims and limited; can make various variations to the utility model in the form and details, be protection range of the present utility model.
Claims (5)
1. automatic power failure alarm device of infrared induction, it is characterized in that, comprise: infrared sensor, master controller, release, low-tension supply and three phase supply power supply, wherein, the drive coil end of the transducing signal output of described infrared sensor, described release connects the I/O end of master controller respectively, the dropout switches set of release is serially connected with on each power line of above-mentioned three phase supply power supply, and described low-tension supply is connected to above-mentioned three phase supply power supply and provides direct-current working volts for the drive coil of above-mentioned infrared sensor, master controller, release.
2. the automatic power failure alarm device of infrared induction as claimed in claim 1, it is characterized in that: also comprise the voltage sensor, a current sensor, a Temperature Humidity Sensor and the LCDs that are connected to described master controller respectively, this voltage sensor, current sensor are located at respectively on the described three phase supply power line, and this Temperature Humidity Sensor is arranged on the voltage tester place.
3. the automatic power failure alarm device of infrared induction as claimed in claim 2 is characterized in that: described voltage sensor is to be connected and composed by a voltage transformer and an amplifying circuit.
4. the automatic power failure alarm device of infrared induction as claimed in claim 2 is characterized in that: described current sensor is to be connected and composed by a current transformer and an amplifying circuit.
5. as claim 3 or the automatic power failure alarm device of 4 described infrared inductions, it is characterized in that: described amplifying circuit comprises the first amplifier OP1, the second amplifier OP2, the first diode D1, the second diode D2, first resistance R 1, second resistance R 2, the 3rd resistance R 3, the 4th resistance R 4, wherein, first resistance R 1 is connected the first amplifier OP1 with second resistance R 2 and constitutes first voltage follower, the positive pole of the first diode D1 connects the output of the first amplifier OP1, its negative pole connects the reverse input end of the first amplifier OP1, the 3rd resistance R 3, the 4th resistance R 4 connects the second amplifier OP1 and constitutes second voltage follower, the output of first voltage follower connects the inverting input of the second amplifier OP2 in second voltage follower, the in-phase input end parallel connection of the in-phase input end of first voltage follower and second voltage follower by the second diode D2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200701658U CN201956663U (en) | 2011-03-17 | 2011-03-17 | Infrared induction automatic power off alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200701658U CN201956663U (en) | 2011-03-17 | 2011-03-17 | Infrared induction automatic power off alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201956663U true CN201956663U (en) | 2011-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200701658U Expired - Fee Related CN201956663U (en) | 2011-03-17 | 2011-03-17 | Infrared induction automatic power off alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201956663U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103178493A (en) * | 2013-03-27 | 2013-06-26 | 国家电网公司 | Relay protection test monitoring alarm device |
| CN103366507A (en) * | 2013-07-19 | 2013-10-23 | 国家电网公司 | Automatic infrared deploying and controlling power-down method used for mutual inductor verification test area |
| CN107645130A (en) * | 2017-08-25 | 2018-01-30 | 合肥智鼎电控自动化科技有限公司 | A kind of high-low pressure cabinet anticreeper |
-
2011
- 2011-03-17 CN CN2011200701658U patent/CN201956663U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103178493A (en) * | 2013-03-27 | 2013-06-26 | 国家电网公司 | Relay protection test monitoring alarm device |
| CN103366507A (en) * | 2013-07-19 | 2013-10-23 | 国家电网公司 | Automatic infrared deploying and controlling power-down method used for mutual inductor verification test area |
| CN107645130A (en) * | 2017-08-25 | 2018-01-30 | 合肥智鼎电控自动化科技有限公司 | A kind of high-low pressure cabinet anticreeper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110831 Termination date: 20130317 |