CN110611293A - Portable automatic alarm power-off protection device - Google Patents
Portable automatic alarm power-off protection device Download PDFInfo
- Publication number
- CN110611293A CN110611293A CN201910934045.9A CN201910934045A CN110611293A CN 110611293 A CN110611293 A CN 110611293A CN 201910934045 A CN201910934045 A CN 201910934045A CN 110611293 A CN110611293 A CN 110611293A
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- Prior art keywords
- module
- alarm
- power
- control module
- contactor
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- 238000001514 detection method Methods 0.000 claims abstract description 12
- 230000009466 transformation Effects 0.000 claims abstract description 7
- 238000012544 monitoring process Methods 0.000 abstract description 5
- 238000012360 testing method Methods 0.000 description 15
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 206010014357 Electric shock Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/0202—Child monitoring systems using a transmitter-receiver system carried by the parent and the child
- G08B21/0261—System arrangements wherein the object is to detect trespassing over a fixed physical boundary, e.g. the end of a garden
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
- G08B3/1008—Personal calling arrangements or devices, i.e. paging systems
- G08B3/1016—Personal calling arrangements or devices, i.e. paging systems using wireless transmission
- G08B3/1025—Paging receivers with audible signalling details
- G08B3/1033—Paging receivers with audible signalling details with voice message alert
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/02—Details
- H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
- H02H5/12—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to undesired approach to, or touching of, live parts by living beings
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Child & Adolescent Psychology (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Electromagnetism (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention discloses a portable automatic alarm power-off protection device, which comprises: the output end of the detection module is connected with the input interface of the control module, the output end of the control module is connected with the input end of the alarm module, alternating voltage passes through the AC/DC voltage transformation module and the power input interface of the control module, the control output end of the alternating current control module is connected with the alternating current output interface, and the control input end of the alternating current control module is connected with the alarm module through the contact of the alarm module. The invention detects whether a preset monitoring area has a person to enter by arranging the detection module, triggers the control module to output a control signal, controls the high-voltage output of the main loop by utilizing the alternating current control module, and simultaneously gives out a sound alarm.
Description
Technical Field
The invention relates to the technical field of electric power, in particular to a portable automatic alarm power-off protection device.
Background
The high-voltage test is one of necessary links for operation and maintenance of the power system, and is performed at different places and different times, and meanwhile, the voltage grades of the electrical equipment are different, so that the voltages are different when the high-voltage test is performed, so that each high-voltage electrical test has the particularity and uncertainty, potential safety hazards are easily formed under the conditions, and the personal safety and the equipment safety are threatened. Therefore, it is necessary to ensure the safety of high-voltage test work, and various safety guarantee measures are important guarantees for protecting the life safety of first-line test workers and the stable and long-term operation of electrical equipment.
The high-voltage electrical test needs a special monitoring system. However, in a high-voltage test, some sites are complex under most conditions, and the high-voltage test can be carried out in a site with noisy personnel or serious noise, the monitoring work difficulty of a guardian is greatly increased when the test work such as alternating current/direct current withstand voltage is carried out in a site with more personnel, and personal injury accidents caused by emergencies such as rushing into the test site by other workers even irrelevant to the test in the test process can be caused.
Therefore, a device capable of detecting that a person enters a test field area and immediately disconnecting a power supply of a high-voltage test instrument needs to be developed, so that the risk of electric shock of the person is reduced, and the personal safety of the person is guaranteed.
Disclosure of Invention
The invention provides a portable automatic alarm power-off protection device for overcoming the defect of high safety protection difficulty caused by complex environment of a high-voltage test area in the prior art.
The primary objective of the present invention is to solve the above technical problems, and the technical solution of the present invention is as follows:
a portable automatic alarm power-off protection device comprising: the output end of the detection module is connected with the input interface of the control module, the output end of the control module is connected with the input end of the alarm module, alternating voltage passes through the AC/DC voltage transformation module and the power input interface of the control module, the control output end of the alternating current control module is connected with the alternating current output interface, and the control input end of the alternating current control module is connected with the alarm module through the contact of the alarm module.
Further, the alternating current control module comprises: the first pilot lamp, second pilot lamp, ac contactor C, outage button TA, circular telegram button QA, the specific relation of connection is:
the live wire of the alternating current output interface is respectively connected to one end of the first indicator light, one end of a third normally open contact C3 of the alternating current contactor C, one end of a power-off button TA, the other end of the power-off button TA is connected to one end of a contact J1 of the alarm module, the other end of the contact J1 of the alarm module is respectively connected to one end of a power-on button QA, one end of a second normally open contact C2 of the AC contactor C, the other end of the power-on button QA and the other end of the second normally open contact C2 of the AC contactor C are both connected to one end of the AC contactor C, the other end of the AC contactor C is connected to the zero line of the external AC output interface through the first normally open contact C1 of the AC contactor C, the other end of the third normally open contact C3 of the AC contactor C is connected to one end of a second indicator light, the other end of the first indicator light and the other end of the second indicator light are both connected to a zero line of the alternating current output interface.
Further, the alarm module includes: the direct current relay J and the alarm horn have the following specific connection relations: the positive output end of the control module is connected to one end of the direct current relay J and one end of the alarm horn respectively, and the negative output end of the control module is connected to the other end of the direct current relay J and the other end of the alarm horn respectively.
Further, the AC/DC transformation module is a 220V/20V transformer.
Further, the detection module is an infrared detector.
Furthermore, the device also comprises an antenna connected with the control module.
Compared with the prior art, the technical scheme of the invention has the beneficial effects that:
the invention detects whether a preset monitoring area has a person to enter by arranging the detection module, triggers the control module to output a control signal, controls the high-voltage output of the main loop by utilizing the alternating current control module, and simultaneously gives out a sound alarm.
Drawings
Fig. 1 is a schematic block diagram of the present invention.
Fig. 2 is a schematic diagram of a specific circuit of the present invention.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
Example 1
As shown in fig. 1, a portable automatic alarm power-off protection device includes: the output end of the detection module is connected with the input interface of the control module, the output end of the control module is connected with the input end of the alarm module, alternating voltage passes through the AC/DC voltage transformation module and the power input interface of the control module, the control output end of the alternating current control module is connected with the alternating current output interface, and the control input end of the alternating current control module is connected with the alarm module through the contact of the alarm module.
The AC/DC transformation module is a 220V/20V transformer. The alternating current output interface is used for outputting alternating current voltage. The detection module is an infrared detector.
As shown in fig. 2, the ac control module includes: the first pilot lamp, second pilot lamp, ac contactor C, outage button TA, circular telegram button QA, the specific relation of connection is:
the live wire of the alternating current output interface is respectively connected to one end of the first indicator light, one end of a third normally open contact C3 of the alternating current contactor C, one end of a power-off button TA, the other end of the power-off button TA is connected to one end of a contact J1 of the alarm module, the other end of the contact J1 of the alarm module is respectively connected to one end of a power-on button QA, one end of a second normally open contact C2 of the AC contactor C, the other end of the power-on button QA and the other end of the second normally open contact C2 of the AC contactor C are both connected to one end of the AC contactor C, the other end of the AC contactor C is connected to the zero line of the AC output interface through the first normally open contact C1 of the AC contactor C, the other end of the third normally open contact C3 of the AC contactor C is connected to one end of a second indicator light, the other end of the first indicator light and the other end of the second indicator light are both connected to a zero line of the alternating current output interface.
The first normally open contact C1 is a main normally open contact of the ac contactor C, and when a coil of the ac contactor C is electrified, the C1 is closed to connect or disconnect a main circuit (ac output interface); the second normally open contact C2 is an auxiliary normally open contact of the AC contactor C and is used as a self-holding contact, when the power-on button QA is pressed to be connected, a coil of the AC contactor C is electrified, the second normally open contact C2 is closed to replace a contact of the power-on button QA (after the QA button is released, the contact is disconnected), the coil of the AC contactor C is kept electrified, and the work is continuously maintained; the third normally-open contact C3 is another auxiliary normally-open contact of the alternating current contactor C, and after a coil of the alternating current contactor C is electrified, the C3 is also closed, and a second indicator light loop is connected to be used as a closing indication.
In addition, the power-on button QA is a normally open contact and is in an off state under normal conditions, after the power-on button QA is pressed, the contact is closed, the coil of the alternating current contactor C is electrified, the first normally open contact C1 on the main loop is closed to connect the main loop, meanwhile, the second normally open contact C2 is also closed and is used as a self-holding contact, the coil of the alternating current contactor C is kept electrified, and after the power-on button QA is released, the contact is opened again; the power-off button TA is a normally closed contact and is in a closed state under normal conditions, after the power-off button TA is pressed down, the contact is opened, the coil C of the alternating current contactor is tripped in a power-off mode, and after the power-off button TA is released, the contact is closed again.
In this embodiment, the first indicator light may be a green light, and the second indicator light may be a red light.
Further, the alarm module includes: the direct current relay J and the alarm horn have the following specific connection relations: the positive output end of the control module is connected to one end of the direct current relay J and one end of the alarm horn respectively, and the negative output end of the control module is connected to the other end of the direct current relay J and the other end of the alarm horn respectively.
It should be noted that the operating voltage of the control module is a dc low voltage not higher than 20V, the operating voltage of the ac contactor is 220V, and the opening and closing of the ac contactor C are controlled only by the power-off button TA and the power-on button QA.
Furthermore, the device also comprises an antenna connected with the control module. The antenna may be configured to receive a setting instruction of the control module. For example, the setting instruction may be to set the present invention to a "disarmed" state or a "disarmed" state.
The working principle of the invention is as follows: the device switch on power supply, the detection module measures the time of launching infrared ray to receiving the object and reflecting back infrared ray, if someone or unknown thing get into in the predetermined monitoring area, then the time that the detection module received the infrared ray that returns changes, trigger the detection module this moment and send alarm signal for control module, preset procedure through control module, output 12V direct current voltage, alarm module's warning loudspeaker sound alarm, direct current relay J's coil is electrified, the normally closed contact J1 who concatenates at control loop breaks off, make ac contactor C's coil power-off tripping, break off all normally open contact first normally open contact C1, second normally open contact C2, third normally open contact C3, alternating current loop breaks off simultaneously, stop the high-voltage output of alternating current output interface.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (6)
1. A portable automatic alarm power-off protection device is characterized by comprising: the output end of the detection module is connected with the input interface of the control module, the output end of the control module is connected with the input end of the alarm module, alternating voltage passes through the AC/DC voltage transformation module and the power input interface of the control module, the control output end of the alternating current control module is connected with the alternating current output interface, and the control input end of the alternating current control module is connected with the alarm module through the contact of the alarm module.
2. The portable automatic alarm power-off protection device according to claim 1, wherein the AC control module comprises: the first pilot lamp, second pilot lamp, ac contactor C, outage button TA, circular telegram button QA, the specific relation of connection is:
the live wire of the alternating current output interface is respectively connected to one end of the first indicator light, one end of a third normally open contact C3 of the alternating current contactor C, one end of a power-off button TA, the other end of the power-off button TA is connected to one end of a contact J1 of the alarm module, the other end of the contact J1 of the alarm module is respectively connected to one end of a power-on button QA, one end of a second normally open contact C2 of the AC contactor C, the other end of the power-on button QA and the other end of the second normally open contact C2 of the AC contactor C are both connected to one end of the AC contactor C, the other end of the AC contactor C is connected to the zero line of the external AC output interface through the first normally open contact C1 of the AC contactor C, the other end of the third normally open contact C3 of the AC contactor C is connected to one end of a second indicator light, the other end of the first indicator light and the other end of the second indicator light are both connected to a zero line of the alternating current output interface.
3. The portable automatic alarm power-off protection device according to claim 1, wherein the alarm module comprises: the direct current relay J and the alarm horn have the following specific connection relations: the positive output end of the control module is connected to one end of the direct current relay J and one end of the alarm horn respectively, and the negative output end of the control module is connected to the other end of the direct current relay J and the other end of the alarm horn respectively.
4. The portable automatic alarm power-off protection device according to claim 1, wherein the AC/DC voltage transformation module is a 220V/20V transformer.
5. The portable automatic alarm power-off protection device according to claim 1, wherein the detection module is an infrared detector.
6. The portable automatic alarm power-off protection device according to claim 1, further comprising an antenna connected to the control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910934045.9A CN110611293A (en) | 2019-09-29 | 2019-09-29 | Portable automatic alarm power-off protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910934045.9A CN110611293A (en) | 2019-09-29 | 2019-09-29 | Portable automatic alarm power-off protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110611293A true CN110611293A (en) | 2019-12-24 |
Family
ID=68893888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910934045.9A Pending CN110611293A (en) | 2019-09-29 | 2019-09-29 | Portable automatic alarm power-off protection device |
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| Country | Link |
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| CN (1) | CN110611293A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114664039A (en) * | 2022-02-22 | 2022-06-24 | 国网河南省电力公司安阳供电公司 | False-entry-prevention charged area detection device based on laser grating alarm |
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|---|---|---|---|---|
| CN202260392U (en) * | 2011-09-30 | 2012-05-30 | 钱锡颖 | Safety protection system for high voltage test |
| CN203242118U (en) * | 2012-12-12 | 2013-10-16 | 衡水供电公司 | Voice alarming device specialized for isolation switch maintaining |
| CN203786254U (en) * | 2014-04-15 | 2014-08-20 | 国家电网公司 | Power-frequency voltage-withstand test protection system |
| CN206893064U (en) * | 2017-07-06 | 2018-01-16 | 北京华电中试电力工程有限责任公司 | A kind of High-Voltage Experimentation safety device |
| CN210327004U (en) * | 2019-09-29 | 2020-04-14 | 广东电网有限责任公司 | Portable automatic alarm power-off protection device |
-
2019
- 2019-09-29 CN CN201910934045.9A patent/CN110611293A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202260392U (en) * | 2011-09-30 | 2012-05-30 | 钱锡颖 | Safety protection system for high voltage test |
| CN203242118U (en) * | 2012-12-12 | 2013-10-16 | 衡水供电公司 | Voice alarming device specialized for isolation switch maintaining |
| CN203786254U (en) * | 2014-04-15 | 2014-08-20 | 国家电网公司 | Power-frequency voltage-withstand test protection system |
| CN206893064U (en) * | 2017-07-06 | 2018-01-16 | 北京华电中试电力工程有限责任公司 | A kind of High-Voltage Experimentation safety device |
| CN210327004U (en) * | 2019-09-29 | 2020-04-14 | 广东电网有限责任公司 | Portable automatic alarm power-off protection device |
Non-Patent Citations (1)
| Title |
|---|
| 仲崇山 等: "高压试验人身安全防护***的研制", 华中电力, vol. 22, no. 5, 20 October 2009 (2009-10-20), pages 25 - 28 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114664039A (en) * | 2022-02-22 | 2022-06-24 | 国网河南省电力公司安阳供电公司 | False-entry-prevention charged area detection device based on laser grating alarm |
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