CN216979902U - Experimental isolating device of electric power system - Google Patents
Experimental isolating device of electric power system Download PDFInfo
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- CN216979902U CN216979902U CN202122908877.9U CN202122908877U CN216979902U CN 216979902 U CN216979902 U CN 216979902U CN 202122908877 U CN202122908877 U CN 202122908877U CN 216979902 U CN216979902 U CN 216979902U
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Abstract
The utility model discloses a test isolation device of an electric power system, which comprises a controller, high-voltage test equipment, electrical equipment to be tested, a power supply and at least three grating detectors, wherein the controller is used for controlling the high-voltage test equipment to be tested; the high-voltage test equipment, the electrical equipment to be tested and the power supply are electrically connected with the controller respectively; at least two grating detectors in the at least three grating detectors are respectively electrically connected with the controller; the electrical equipment to be tested is electrically connected with the high-voltage test equipment; the at least three grating detectors are not positioned on the same straight line, the at least three grating detectors enclose an isolation area, and the electrical equipment to be tested is arranged in the middle of the isolation area. The application provides an isolating device can enclose the electrical equipment that awaits measuring in the isolation region that is formed by grating detector's infrared light, replaces the manual monitoring among the correlation technique by the infrared light, is sheltered from when infrared light, cuts off high-voltage testing equipment's power immediately, avoids getting into the personnel in high-voltage testing region and has electrocuted risk, has improved the security greatly.
Description
Technical Field
The utility model relates to the technical field of power systems, in particular to a power system test isolation device.
Background
The power equipment in the iron and steel enterprises plays a vital role in the normal operation of the iron and steel processing equipment. The high-voltage test of the power equipment can provide necessary guarantee for the safe operation of the power system, and generally, only the power equipment passing the high-voltage test can be applied to the power system.
In order to ensure that electrical equipment can still be operated safely at high voltages, it is necessary to conduct high voltage tests on the material of the equipment and the associated parts before it is put into use. In the later stage of the electric power high-voltage test, the insulation effect of the equipment is required to be detected, so that the damaged parts can be updated timely, and the service life of the electric power equipment is prolonged. In the operation process of the power equipment, a high-voltage prevention test can be carried out, which is mainly to judge whether the equipment can meet corresponding requirements or not by observing the bearing capacity of the equipment after overvoltage so as to ensure that the power equipment continuously and stably plays a role in the whole working process. That is to say, the high-voltage test work is an important index for guaranteeing the performance stability of the power equipment, and the high-voltage test work is directly related to the normal and safe operation condition of the whole substation system.
However, when the high-voltage test is actually carried out, an isolation area is formed by manually arranging alarm ring lines, and whether people mistakenly enter the isolation area is monitored manually, so that the mode has great potential safety hazard and lower safety.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides an experimental isolating device of electric power system, has solved artifical control isolation region among the prior art, and the lower technical problem of security has realized the automatic control isolation region, improves the technological effect of isolation region's security.
The application provides a test isolation device of an electric power system, which comprises a controller, high-voltage test equipment, electrical equipment to be tested, a power supply and at least three grating detectors;
the high-voltage test equipment, the electrical equipment to be tested and the power supply are electrically connected with the controller respectively; at least two grating detectors in the at least three grating detectors are respectively electrically connected with the controller;
the electrical equipment to be tested is electrically connected with the high-voltage test equipment;
the at least three grating detectors are not positioned on the same straight line, the at least three grating detectors enclose an isolation area, and the electrical equipment to be tested is arranged in the middle of the isolation area.
Further, each of the at least three grating detectors includes a light projector and a light receiver.
Furthermore, the number of light projectors of each grating detector in the at least three grating detectors is equal to the number of light receivers, and the number of the light projectors and the number of the light receivers are integers which are not less than 2.
Further, the distance between the two light projectors which are farthest away on each of the at least three grating detectors is not less than 10 cm.
Further, if the at least three grating detectors only include the first grating detector, the second grating detector and the third grating detector, the first light projector of the first grating detector is connected to the second light receiver of the second grating detector through infrared rays, the second light projector of the second grating detector is connected to the third light receiver of the third grating detector through infrared rays, and the third light projector of the third grating detector is connected to the first light receiver of the first grating detector through infrared rays.
Furthermore, each grating detector in at least three grating detectors still includes the battery, and the battery is connected with light projector and photic ware electricity respectively.
Furthermore, each grating detector in the at least three grating detectors further comprises a first wireless transmission module, the controller comprises a second wireless transmission module, and the first wireless transmission module is in wireless connection with the second wireless transmission module.
Furthermore, the device also comprises an alarm which is electrically connected with the controller.
Furthermore, the alarm comprises an audible and visual alarm and a voice alarm, and the audible and visual alarm and the voice alarm are respectively and electrically connected with the controller.
Further, the shortest distance between the electrical equipment to be tested and the infrared rays emitted by the grating detector is at least 10 m.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
the isolation device comprises a controller, high-voltage test equipment, electrical equipment to be tested, a power supply and at least three grating detectors, wherein the high-voltage test equipment, the electrical equipment to be tested, the power supply and the at least three grating detectors are electrically connected with the controller respectively; the electrical equipment to be tested and the power supply are respectively electrically connected with the high-voltage test equipment; at least three grating detectors form an isolation area through infrared rays, and the electrical equipment to be tested is arranged in the middle of the isolation area. The application provides an isolating device can enclose the electrical equipment that awaits measuring in the isolation region that is formed by grating detector's infrared light, replaces the manual monitoring among the correlation technique by the infrared light, and when infrared light was sheltered from, cut off high-voltage testing equipment's power immediately, the personnel of avoiding getting into the high-voltage testing region have the risk of electrocution, have improved the security greatly. The application provides an isolating device has improved the current situation of guardianship disappearance among the high voltage test construction operation among the prior art, has avoided testing personnel, irrelevant personnel, operating personnel to take place the risk of electric shock accident.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an electrical power system test isolation device provided in the present application;
FIG. 2 is a schematic view of an isolation region enclosed by a plurality of grating detectors as provided herein;
FIG. 3 is a schematic diagram of the cooperation of a light projector and a light receiver between grating detectors provided herein;
fig. 4 is an electrical diagram of a practical application of the power system test isolation device provided by the present application.
Detailed Description
The embodiment of the application provides an experimental isolating device of electric power system, has solved artifical control isolation region among the prior art, the lower technical problem of security.
In order to solve the technical problems, the general idea of the embodiment of the application is as follows:
a test isolation device for an electric power system comprises a controller, high-voltage test equipment, electrical equipment to be tested, a power supply and at least three grating detectors; the high-voltage test equipment, the electrical equipment to be tested and the power supply are electrically connected with the controller respectively; at least two grating detectors in the at least three grating detectors are respectively electrically connected with the controller; the electrical equipment to be tested is electrically connected with the high-voltage test equipment; the at least three grating detectors are not positioned on the same straight line, the at least three grating detectors enclose an isolation area, and the electrical equipment to be tested is arranged in the middle of the isolation area.
The isolating device provided by the embodiment can enclose the electrical equipment to be tested in the isolating area formed by the infrared light of the grating detector, replaces manual monitoring in the related art by the infrared light, and cuts off the power supply of the high-voltage test equipment immediately when the infrared light is shielded, so that the personnel entering the high-voltage test area are prevented from electric shock risks, and the safety is greatly improved. The present embodiment has improved the current situation of guardianship disappearance among the high voltage test construction operation among the prior art, has avoided testing personnel, irrelevant personnel, operating personnel to take place the risk of electric shock accident.
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
First, it is stated that the term "and/or" appearing herein is merely one type of associative relationship that describes an associated object, meaning that three types of relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
The embodiment provides a power system test isolation device as shown in fig. 1, and the device comprises a controller, high-voltage test equipment, electrical equipment to be tested, a power supply and at least three grating detectors; the high-voltage test equipment, the electrical equipment to be tested and the power supply are electrically connected with the controller respectively; at least two grating detectors in the at least three grating detectors are respectively electrically connected with the controller; the electrical equipment to be tested is electrically connected with the high-voltage test equipment; the at least three grating detectors are not positioned on the same straight line, the at least three grating detectors enclose an isolation area, the electrical equipment to be tested is arranged in the middle of the isolation area, namely the at least three grating detectors form the isolation area (the area enclosed by the dotted line in fig. 1) through infrared rays; the electrical equipment to be tested is arranged in the middle of the isolation area. For convenience of drawing, only one grating detector is connected to the controller in fig. 1, but this does not mean that the other grating detectors are not connected to the controller.
The electrical equipment to be tested is equipment needing high-voltage test; the high-voltage test equipment is used for detecting the insulation performance of the electrical equipment to be tested, and whether the electrical equipment to be tested is allowed to be continuously used or not is judged by adjusting the voltage of the high-voltage test equipment. The power supply supplies power to the controller and the high-voltage test equipment, the controller and the high-voltage test equipment share 220V alternating current, and when the controller is electrified, the grating detector is immediately started, namely, infrared light is emitted, and an isolation area is formed. The grating detector uses infrared rays to form an isolation area, and the electrical equipment to be tested is placed in the isolation area so as to distinguish a safe area from the isolation area where electric shock danger may occur.
When the infrared ray of the grating detector is blocked or shielded, the grating detector sends a signal to the controller to inform the controller that the infrared ray is blocked. The controller is connected with the high-voltage test device through a hard wire, and after the controller receives a blocking signal of the grating detector, the controller stops the operation of the high-voltage test device through the hard wire, so that electric shock accidents of personnel entering an isolation area are avoided. The shortest distance between the electrical equipment to be tested and the infrared rays emitted by the grating detector is at least 10 m.
Wherein each grating detector comprises a light projector and a light receiver. When the number of the grating detectors is three, as shown in fig. 2 (the dotted line in fig. 2 indicates infrared rays), each grating detector includes a first grating detector, a second grating detector, and a third grating detector, a first light projector of the first grating detector is connected to a second light receiver of the second grating detector through infrared rays, a second light projector of the second grating detector is connected to a third light receiver of the third grating detector through infrared rays, and a third light projector of the third grating detector is connected to a first light receiver of the first grating detector through infrared rays.
The number of the light projectors of the grating detector is equal to that of the light receivers, and the number of the light projectors and the number of the light receivers are integers which are not less than 2 and can be one of 2, 3, 4, 6, 8 and 10. When the quantity of light projector and photic ware is more, the infrared ray quantity that can produce is also more, and the infrared ray can monitor broader region, and whether the effect that detects the infrared ray and is sheltered from can be better.
For example, when only a bunch of infrared ray, because personnel's height is inequality, can't shelter from the infrared ray when leading to some personnel to get into isolation region, also can't close high-voltage testing equipment, have the potential safety hazard. When the number of the infrared beams is larger, the coverage range of the beams is wider, and the safety of the isolation device can be improved. As shown in fig. 3 (the dotted line in fig. 3 is an infrared ray), when the number of the light projector and the light receiver is 4, four beams of infrared rays can be generated between the first grating detector and the second grating detector, and the four beams of light can detect whether most people enter the isolation area.
When the number of the light emitters and the light receivers exceeds two, the distance between two light emitters which are farthest from each other among the plurality of light emitters on the same grating detector may be set to be not less than 10cm, or may be 33cm, 53cm, 73cm, 113cm, 153cm, 193cm, or the like. The number of beams and the distance between beams are selected according to different fields. The number of beams and the beam distance can be matched in the following manner, namely 33cm for two beams, 53cm for three beams, 73cm for four beams, 113cm for six beams, 153cm for eight beams and 193cm for ten beams.
Each grating detector also comprises a storage battery, and the storage battery is electrically connected with the light projector and the light receiver respectively. The storage battery supplies power to the light projector and the light receiver, so that the grating detector can be moved conveniently, and the convenience of the isolation device is improved.
Each grating detector further comprises a first wireless transmission module, the controller comprises a second wireless transmission module, and the first wireless transmission module is in wireless connection with the second wireless transmission module. The grating detector and the controller are communicated in a wireless mode, wiring complexity of the isolation device can be reduced, wiring confusion of a high-voltage test field is avoided, the probability that personnel are stumbled on the field is reduced, and safety is further improved.
The device also comprises an alarm which is electrically connected with the controller. When the controller receives the blocking signal sent by the grating detector, the controller controls the alarm to give an alarm, timely reminds people entering the isolation area to enter the isolation area, and timely reminds surrounding workers to expel the people entering the isolation area from the isolation area.
The alarm can also be directly electrically connected with the grating detector. When the grating detector generates a blocking signal, the grating detector sends a trigger signal to the alarm, so that the alarm gives an alarm prompt to remind people entering the isolation area of entering the isolation area in time, and surrounding workers can be reminded to expel the people entering the isolation area from the isolation area in time. Compare and be connected with the controller electricity in the alarm, the alarm is direct to be connected with the grating detector electricity, and its alarm efficiency is higher, to the personnel that the isolation region was gone into to the mistake, and the warning effect is more direct, more is favorable to warning the personnel in the isolation region, improves the security.
The alarm can comprise an audible and visual alarm and a voice alarm, and the audible and visual alarm and the voice alarm are respectively and electrically connected with the controller. The audible and visual alarm can improve the vigilance of personnel entering the isolation area, and the audible alarm can make the personnel entering the isolation area clearly know that the personnel have entered the isolation area.
The working process of the power system test isolation device provided by the embodiment is as follows:
the method comprises the steps that an electronic infrared grating detector is arranged in a high-voltage test area and is placed around the electrical equipment to be tested before the high-voltage test starts, after a main power supply of the high-voltage test equipment is switched on, the electrical equipment to be tested is in a pressurizing or pressurizing state, and the grating detector works to emit infrared light to form a light wall.
When the electronic infrared grating detector outputs, namely infrared light is shielded, and a blocking signal is generated, the fact that a person enters an isolation area is indicated, the alarm gives an alarm immediately, meanwhile, the controller immediately cuts off a power supply of the high-voltage test equipment, and the test is stopped.
After the power supply of the high-voltage test equipment is cut off, the high-voltage test equipment can operate again only when a worker manually closes the switch.
In conclusion, the isolating device provided by the embodiment can enclose the electrical equipment to be tested in the isolating area formed by the infrared light of the grating detector, manual monitoring in the related technology is replaced by the infrared light, when the infrared light is shielded, the power supply of the high-voltage test equipment is cut off, the risk of electric shock of personnel entering the high-voltage test area is avoided, and the safety is greatly improved. The present embodiment has improved the current situation of guardianship disappearance among the high voltage test construction operation among the prior art, has avoided testing personnel, irrelevant personnel, operating personnel to take place the risk of electric shock accident.
As shown in fig. 4, for a simple top view of the isolation device provided in this embodiment, there are four ir grating detectors, each grating detector is 120cm high, and a light projector and a light receiver for detecting 30 meters of light beam with three beams of 53cm are installed, and the grating detectors are powered by a DC12V battery and perform data transmission through a wireless transmission module. When someone enters the isolation area (namely the test area shown in figure 4), the infrared light beam is necessarily shielded, the grating detector immediately sends a signal to the controller (namely the host PC shown in figure 4), and when the controller receives the signal, the controller reminds by voice and outputs an alarm signal to the high-voltage test device, cuts off the power supply of the high-voltage test device, and stops the test. When the test operator confirms that no person exists in the isolation area and the site is in a safe state, the high-voltage test equipment is manually reset, and the high-voltage test is allowed to be carried out.
The power system test isolation device provided by the embodiment is provided with the grating detector, whether personnel exist in an isolation area around the electrical equipment to be tested is detected, and the grating detector is arranged between the high-voltage test equipment and the electrical equipment to be tested. When the grating detector detects that a person enters the isolation area in the high-voltage test process, the alarm gives an alarm, the high-voltage test equipment is controlled to be powered off, the high-voltage test equipment is stopped to increase the voltage to the electrical equipment to be tested, and the personal safety in the isolation area is ensured. Adopt the isolating device that this embodiment provided, just also need not artifical guardianship in the high-voltage testing process, practiced thrift the labour, improved the current situation of guardianship disappearance in the high-voltage testing construction operation among the prior art simultaneously, avoided testing personnel, irrelevant personnel, operating personnel to take place the risk of electric shock accident.
The experimental isolating device of electric power system that this embodiment provided can form the isolation region through setting up the grating detector in high-voltage testing region, and the grating detector just places around the electrical equipment that awaits measuring before high-voltage testing begins, and when high-voltage testing equipment's main power closing back, isolating device puts into operation, and when the grating detector had output, the explanation someone got into high-voltage dangerous area, reports to the police immediately, cuts off high-voltage testing equipment's power simultaneously, the termination test.
According to the experimental isolation device for the power system, when a power supply of high-voltage test equipment is switched on, electrical equipment to be tested in an isolation area is in a pressurizing state or a pressurizing state, when test wiring needs to be changed and a worker enters a high-voltage test dangerous area, when a grating detector detects the worker, a power supply switch-on button of the high-voltage test equipment does not work, switch-on boosting is avoided, and electric shock risks are generated.
Since the electronic device described in this embodiment is an electronic device used for implementing the method for processing information in this embodiment, a person skilled in the art can understand the specific implementation manner of the electronic device of this embodiment and various variations thereof based on the method for processing information described in this embodiment, and therefore, how to implement the method in this embodiment by the electronic device is not described in detail here. Electronic devices used by those skilled in the art to implement the method for processing information in the embodiments of the present application are all within the scope of the present application.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including the preferred embodiment and all changes and modifications that fall within the scope of the utility model.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A test isolation device for an electric power system is characterized by comprising a power supply, a controller, high-voltage test equipment, electrical equipment to be tested and at least three grating detectors;
the high-voltage test equipment, the electrical equipment to be tested and the power supply are electrically connected with the controller respectively; at least two grating detectors in the at least three grating detectors are respectively electrically connected with the controller;
the electrical equipment to be tested is electrically connected with the high-voltage test equipment;
the at least three grating detectors are not located on the same straight line, an isolation area is enclosed by the at least three grating detectors, and the electrical equipment to be tested is arranged in the middle of the isolation area.
2. The apparatus of claim 1, wherein each of the at least three grating detectors comprises a light projector and a light receptor.
3. The apparatus of claim 2, wherein the number of light projectors and the number of light receivers for each of the at least three grating detectors are equal, and the number of light projectors and the number of light receivers are integers that are not less than 2.
4. The apparatus of claim 2, wherein the distance between the two most distant light projectors on each of the at least three grating detectors is no less than 10 cm.
5. The apparatus of claim 2, wherein if the at least three grating detectors include only a first grating detector, a second grating detector, and a third grating detector, the first light projector of the first grating detector is connected to the second light receiver of the second grating detector by infrared light, the second light projector of the second grating detector is connected to the third light receiver of the third grating detector by infrared light, and the third light projector of the third grating detector is connected to the first light receiver of the first grating detector by infrared light.
6. The apparatus of claim 2, wherein each of the at least three grating detectors further comprises a battery, the battery being electrically connected to the light projector and the light receptor, respectively.
7. The apparatus of claim 2, wherein each of the at least three grating detectors further comprises a first wireless transmission module, the controller comprises a second wireless transmission module, and the first wireless transmission module and the second wireless transmission module are wirelessly connected.
8. The device of claim 1, further comprising an alarm, wherein the alarm is electrically connected to the controller.
9. The device of claim 8, wherein the alarm comprises an audible and visual alarm and a voice alarm, the audible and visual alarm and the voice alarm being electrically connected to the controller, respectively.
10. The apparatus of claim 1, wherein a shortest distance between the electrical device under test and the infrared light emitted by the grating detector is at least 10 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122908877.9U CN216979902U (en) | 2021-11-24 | 2021-11-24 | Experimental isolating device of electric power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122908877.9U CN216979902U (en) | 2021-11-24 | 2021-11-24 | Experimental isolating device of electric power system |
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| Publication Number | Publication Date |
|---|---|
| CN216979902U true CN216979902U (en) | 2022-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122908877.9U Active CN216979902U (en) | 2021-11-24 | 2021-11-24 | Experimental isolating device of electric power system |
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| CN (1) | CN216979902U (en) |
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2021
- 2021-11-24 CN CN202122908877.9U patent/CN216979902U/en active Active
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