CN111162470A - Transformer substation's protection clamp plate inspection device - Google Patents
Transformer substation's protection clamp plate inspection device Download PDFInfo
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- CN111162470A CN111162470A CN202010005295.7A CN202010005295A CN111162470A CN 111162470 A CN111162470 A CN 111162470A CN 202010005295 A CN202010005295 A CN 202010005295A CN 111162470 A CN111162470 A CN 111162470A
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- pressing plate
- control chip
- electricity testing
- inspection device
- insulating
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
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- Power Engineering (AREA)
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Abstract
The invention discloses a transformer substation protection pressing plate inspection device which comprises an insulating rod, an expansion joint fixedly connected to the upper end of the insulating rod, an electricity testing seat fixedly installed on the expansion joint and a detection probe fixedly installed on the electricity testing seat, wherein the expansion joint is fixedly connected to the upper end of the insulating rod; the electricity testing seat is internally provided with an electricity testing circuit and a control chip, the detection probe is electrically connected with the electricity testing circuit, and the electricity testing circuit is electrically connected with the control chip. Can realize gathering in real time the clamp plate state through the device, check whether the clamp plate is thrown and move back correctly and the function such as suggestion clamp plate switch-on disconnection, can improve transformer substation's switching operation, equipment inspection efficiency of patrolling, reduce the risk that the protection mistake was thrown and is moved back, improve electric wire netting operational reliability, it is very practical under big electric wire netting overhauls the background. The invention has wide application range: for the hard pressing plate of the conventional and intelligent transformer substations, the device is convenient to apply, simple to install, and free of protection misoperation. The invention is an assembly, and the overall cost is low.
Description
Technical Field
The invention relates to the technical field of transformer substation inspection, in particular to a transformer substation protection pressing plate inspection device.
Background
Electric power is an energy source using electric energy as power. The primary energy in the nature is converted into electric power by a mechanical energy device, and then the electric power is supplied to each user through power transmission, power transformation and power distribution. The transmission of electric energy, transformation, distribution and utilization of electricity together form the whole function of the electric power system. By transmitting electricity, power plants and load centers which are far apart (up to thousands of kilometers) are connected, so that the development and utilization of electric energy exceed the regional limit. Compared with the transmission of other energy sources (such as coal transmission, oil transmission and the like), the transmission of electricity has the advantages of small loss, high benefit, flexibility, convenience, easy regulation and control and less environmental pollution; the power transmission can also connect power plants at different places to realize peak-valley regulation. Transmission is an important embodiment of the superiority of electric energy utilization, and is an important energy artery in modern society.
At present, the real-time state of a secondary equipment pressing plate of transformer substation equipment must be checked on site, the real-time state cannot be checked remotely through a mobile phone or a computer end, sometimes, the real-time state of one pressing plate is required to be checked on site specially for one time, and therefore, the efficiency is not high, and time, manpower and material resources are wasted; meanwhile, the pressing plates of the transformer substation are correspondingly changed according to the operation mode of primary equipment in the transformer substation, and if the mode of the primary equipment in the transformer substation is changed, the corresponding pressing plates are not changed in time, so that protection misoperation or failure operation can be caused; the protective pressure plate is not provided with an obvious mark when being switched on or switched off, and the state of the pressure plate can be observed only by naked eyes.
Therefore, the device which can check the state of the pressing plate in real time, judge whether the position of the pressing plate accords with the operation mode and prompt the pressing plate to be connected or disconnected is urgently needed, and meanwhile, the requirement of regularly protecting the pressing plate for routing inspection can be met.
Disclosure of Invention
The invention aims to solve the technical problems that the state of a pressing plate is acquired in real time, the operation mode of primary equipment corresponds to the state of the corresponding pressing plate, and the pressing plate is prompted on site after being switched on or switched off so as to improve the working efficiency and the working quality and ensure the safe work.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a transformer substation protection pressing plate inspection device comprises an insulating rod, an expansion joint fixedly connected to the upper end of the insulating rod, an electricity testing seat fixedly installed on the expansion joint, and a detection probe fixedly installed on the electricity testing seat;
the electricity testing seat is internally provided with an electricity testing circuit and a control chip, the detection probe is electrically connected with the electricity testing circuit, and the electricity testing circuit is electrically connected with the control chip.
As a further improvement of the invention, an on-off switch button is arranged on the outer side of the electricity testing seat and used for connecting or disconnecting an electricity testing circuit.
As a further improvement of the invention, a voltage grade display screen is arranged on the outer side of the electricity testing seat, the voltage grade display screen is electrically connected on the electricity testing circuit, and when the on-off switch button is switched on the electricity testing circuit, the voltage grade display screen displays the voltage value measured by the detection probe.
As a further improvement of the invention, a voltage level shift switch is arranged outside the electricity testing seat, and the voltage level shift switch is electrically connected to the electricity testing circuit and is used for adjusting the detection voltage level of the electricity testing circuit.
As a further improvement of the invention, the control chip comprises a battery for supplying power to the control chip and a red indicator light and a green indicator light which are electrically connected with the output end of the control chip,
and the red indicator light and the green indicator light are both positioned outside the electricity testing seat.
As a further improvement of the invention, the detection probe acquires the voltage of the protection pressing plate of the transformer substation and transmits the voltage to the control chip, and the control chip judges whether the position of the pressing plate is switched on or switched off; when the control chip judges that the position of the pressing plate is switched on, the red indicator light is on; when the control chip judges that the position of the pressing plate is disconnected, the green indicating lamp is turned on.
As a further improvement of the invention, the control chip is electrically connected with a communication module, and the state of the transformer substation protection pressing plate judged by the control chip is remotely transmitted to a remote computer through the communication module.
As a further improvement of the invention, the detection probe is a straight copper rod vertically connected to the upper end of the electroscope.
As a further improvement of the invention, the detection probe is an L-shaped copper rod, and one side of the L-shaped copper rod is vertically connected to the upper end of the electroscope seat.
As a further improvement of the invention, an insulating sheath is fixedly sleeved at the lower part of the insulating rod;
the insulating sheath comprises an insulating sleeve body and an insulating baffle piece which is arranged at the upper end of the insulating sleeve body and is turned outwards;
a sleeve inner cavity sleeved outside the insulating rod is formed inside the insulating sleeve body;
and inner side spiral threads for increasing the friction force with the outer side of the insulating rod are arranged on the inner side wall of the inner cavity of the sleeve.
Compared with the prior art, the invention has the following beneficial effects:
the simple protective hard pressing plate inspection device is arranged, the functions of acquiring the state of the pressing plate in real time, checking whether the pressing plate is correctly switched on or off, prompting the pressing plate to be switched on or off and the like can be realized through the device, the switching operation and equipment inspection efficiency of a transformer substation can be improved, the risk of mistaken switching on or off is reduced, the operation reliability of a power grid is improved, and the device is very practical under the large power grid maintenance background.
The invention has wide application range: for the hard pressing plate of the conventional and intelligent transformer substations, the device is convenient to apply, simple to install, and free of protection misoperation.
The invention is an assembly, and the overall cost is low.
Drawings
FIG. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a second embodiment of the present invention;
FIG. 3 is a schematic view of the construction of the insulating sheath of the present invention;
FIG. 4 is a schematic structural view of the inside spiral of the insulating sheath of the present invention;
fig. 5 is a block diagram of the working principle of the present invention.
In the drawings, there is shown in the drawings,
the device comprises a detection probe 1, a voltage grade display screen 2, an on-off switch button 3, an electricity testing seat 4, a voltage grade gear switch 5, an insulating rod 6, an expansion joint 7, an insulating sheath 8, an insulating sleeve body 81, an insulating baffle 82, a sleeve inner cavity 83 and spiral threads on the inner side of the sleeve 84.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.
Example one
As shown in figures 1 and 3-5,
a transformer substation protection pressing plate inspection device comprises an insulating rod 6, an expansion joint 7 fixedly connected to the upper end of the insulating rod 6, an electricity testing seat 4 fixedly installed on the expansion joint 7 and a detection probe 1 fixedly installed on the electricity testing seat 4;
the inside electroscope seat 4 that is provided with of electroscope circuit and control chip, test probe 1 is connected with electroscope circuit electricity, electroscope circuit is connected with the control chip electricity.
The electroscopic circuit is an existing electroscope circuit, a conventional circuit known to those skilled in the electrical arts.
Further, an on-off switch button 3 is arranged on the outer side of the electricity testing seat 4, and the on-off switch button 3 is used for connecting or disconnecting an electricity testing circuit.
Further, the outer side of the electricity testing seat 4 is provided with a voltage grade display screen 2, the voltage grade display screen 2 is electrically connected to an electricity testing circuit, and when the on-off switch button 3 is connected to the electricity testing circuit, the voltage grade display screen 2 displays the voltage value measured by the detection probe 1.
Further, the voltage level gear switch 5 that is provided with in the electricity testing seat 4 outside, voltage level gear switch 5 electricity is connected on testing the electric circuit for adjust test electric circuit detection voltage level.
Furthermore, the control chip comprises a battery for supplying power to the control chip, and a red indicator light and a green indicator light which are electrically connected with the output end of the control chip,
the red indicator light and the green indicator light are both positioned outside the electroscope base 4.
Further, the detection probe 1 collects the voltage of the transformer substation protection pressing plate and transmits the voltage to the control chip, and the control chip judges whether the pressing plate is switched on or switched off; when the control chip judges that the position of the pressing plate is switched on, the red indicator light is on; when the control chip judges that the position of the pressing plate is disconnected, the green indicating lamp is turned on.
Furthermore, the control chip is electrically connected with a communication module, and the control chip judges that the obtained state of the transformer substation protection pressing plate is remotely transmitted to a far-end computer through the communication module.
Further, the detection probe 1 is a straight copper rod vertically connected to the upper end of the electroscope seat 4.
Further, an insulating sheath 8 is fixedly sleeved at the lower part of the insulating rod 6;
the insulating sheath 8 comprises an insulating sheath body 81 and an insulating barrier 82 which is arranged at the upper end of the insulating sheath body 81 and is turned outwards;
a sleeve inner cavity 83 sleeved outside the insulating rod 6 is formed inside the insulating sleeve body 81;
the inner side wall of the inner cavity 83 of the sleeve is provided with an inner spiral thread 84 for increasing the friction force with the outer side of the insulating rod 6.
The embodiment judges whether the position of the pressing plate is on or off by collecting the voltage of the pressing plate, and simultaneously turns on the red indicating lamp and turns off the green indicating lamp; adopt the setting function, set up the clamp plate position to normal operating mode down and set up to normal condition, not always with this position, the device sends out an alarm, and the suggestion operation personnel check whether the clamp plate is thrown to move back and is fit. Add the clamp plate intelligence and patrol and examine the function, it is prefabricated with normal operating mode clamp plate access state, patrol and examine through total powerstation protection clamp plate state, check the contrast with prefabricated state, detect whether total powerstation clamp plate has the mistake to throw back, improve artifical check contrast efficiency. Meanwhile, the protection pressing plate is switched into a private network in a switching state, multi-site query can be performed at a remote computer end, and daily maintenance and checking are facilitated.
Example two
As shown in fig. 2 to 5, the difference between the first embodiment and the second embodiment is that the detection probe 1 adopts an L-shaped copper rod to deal with the situation that the transformer substation protection pressing plate is located in a special space that cannot be detected by the straight rod, specifically, the technical solution of the first embodiment is as follows: a transformer substation protection pressing plate inspection device comprises an insulating rod 6, an expansion joint 7 fixedly connected to the upper end of the insulating rod 6, an electricity testing seat 4 fixedly installed on the expansion joint 7 and a detection probe 1 fixedly installed on the electricity testing seat 4;
the inside electroscope seat 4 that is provided with of electroscope circuit and control chip, test probe 1 is connected with electroscope circuit electricity, electroscope circuit is connected with the control chip electricity.
Further, an on-off switch button 3 is arranged on the outer side of the electricity testing seat 4, and the on-off switch button 3 is used for connecting or disconnecting an electricity testing circuit.
Further, the outer side of the electricity testing seat 4 is provided with a voltage grade display screen 2, the voltage grade display screen 2 is electrically connected to an electricity testing circuit, and when the on-off switch button 3 is connected to the electricity testing circuit, the voltage grade display screen 2 displays the voltage value measured by the detection probe 1.
Further, the voltage level gear switch 5 that is provided with in the electricity testing seat 4 outside, voltage level gear switch 5 electricity is connected on testing the electric circuit for adjust test electric circuit detection voltage level.
Furthermore, the control chip comprises a battery for supplying power to the control chip, and a red indicator light and a green indicator light which are electrically connected with the output end of the control chip,
the red indicator light and the green indicator light are both positioned outside the electroscope base 4.
Further, the detection probe 1 collects the voltage of the transformer substation protection pressing plate and transmits the voltage to the control chip, and the control chip judges whether the pressing plate is switched on or switched off; when the control chip judges that the position of the pressing plate is switched on, the red indicator light is on; when the control chip judges that the position of the pressing plate is disconnected, the green indicating lamp is turned on.
Furthermore, the control chip is electrically connected with a communication module, and the control chip judges that the obtained state of the transformer substation protection pressing plate is remotely transmitted to a far-end computer through the communication module.
Further, the detecting probe 1 is an L-shaped copper rod, and one side of the L-shaped copper rod is vertically connected to the upper end of the electroscope seat 4.
Further, an insulating sheath 8 is fixedly sleeved at the lower part of the insulating rod 6;
the insulating sheath 8 comprises an insulating sheath body 81 and an insulating barrier 82 which is arranged at the upper end of the insulating sheath body 81 and is turned outwards;
a sleeve inner cavity 83 sleeved outside the insulating rod 6 is formed inside the insulating sleeve body 81;
the inner side wall of the inner cavity 83 of the sleeve is provided with an inner spiral thread 84 for increasing the friction force with the outer side of the insulating rod 6.
The foregoing examples, while indicating preferred embodiments of the invention, are given by way of illustration and description, but are not intended to limit the invention solely thereto; it is specifically noted that those skilled in the art or others will be able to make local modifications within the system and to make modifications, changes, etc. between subsystems without departing from the structure of the present invention, and all such modifications, changes, etc. fall within the scope of the present invention.
Claims (10)
1. The utility model provides a transformer substation's protection clamp plate inspection device which characterized in that: comprises an insulating rod (6), an expansion joint (7) fixedly connected with the upper end of the insulating rod (6), an electroscope seat (4) fixedly arranged on the expansion joint (7) and a detection probe (1) fixedly arranged on the electroscope seat (4);
the electricity testing seat (4) is internally provided with an electricity testing circuit and a control chip, the detection probe (1) is electrically connected with the electricity testing circuit, and the electricity testing circuit is electrically connected with the control chip.
2. The substation protection pressing plate inspection device according to claim 1, characterized in that: an on-off switch button (3) is arranged on the outer side of the electricity testing seat (4), and the on-off switch button (3) is used for connecting or disconnecting an electricity testing circuit.
3. The substation protection pressing plate inspection device according to claim 2, characterized in that: the electricity testing seat (4) is provided with a voltage level display screen (2) on the outer side, the voltage level display screen (2) is electrically connected on an electricity testing circuit, and when the on-off switch button (3) is connected to test the electricity testing circuit, the voltage level display screen (2) displays the voltage value measured by the detection probe (1).
4. The substation protection pressing plate inspection device according to claim 3, characterized in that: the voltage class gear switch (5) that test seat (4) outside was provided with, voltage class gear switch (5) electricity is connected on testing the electric circuit for adjust test electric circuit detection voltage class.
5. The substation protection pressing plate inspection device according to claim 4, characterized in that: the control chip comprises a battery for supplying power to the control chip, a red indicator light and a green indicator light which are electrically connected with the output end of the control chip,
the red indicator light and the green indicator light are both positioned outside the electroscope base (4).
6. The substation protection pressing plate inspection device according to claim 5, characterized in that: the detection probe (1) collects the voltage of a transformer substation protection pressing plate and transmits the voltage to the control chip, and the control chip judges whether the pressing plate is switched on or switched off; when the control chip judges that the position of the pressing plate is switched on, the red indicator light is on; when the control chip judges that the position of the pressing plate is disconnected, the green indicating lamp is turned on.
7. The substation protection pressing plate inspection device according to claim 6, characterized in that: the control chip is electrically connected with a communication module, and the control chip judges that the obtained state of the transformer substation protection pressing plate is remotely transmitted to a far-end computer through the communication module.
8. The substation protection pressing plate inspection device according to claim 1, characterized in that: the detection probe (1) is a straight copper rod vertically connected to the upper end of the electroscope seat (4).
9. The substation protection pressing plate inspection device according to claim 1, characterized in that: the detection probe (1) is an L-shaped copper rod, and one side of the L-shaped copper rod is vertically connected to the upper end of the electroscope (4).
10. The substation protection pressure plate inspection device according to any one of claims 1 to 9, wherein: an insulating sheath (8) is fixedly sleeved at the lower part of the insulating rod (6);
the insulating sheath (8) comprises an insulating sleeve body (81) and an insulating baffle plate (82) which is arranged at the upper end of the insulating sleeve body (81) and is outwards folded;
a sleeve inner cavity (83) sleeved outside the insulating rod (6) is formed inside the insulating sleeve body (81);
the inner side wall of the inner cavity (83) of the sleeve is provided with inner side spiral threads (84) for increasing the friction force with the outer side of the insulating rod (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010005295.7A CN111162470A (en) | 2020-01-03 | 2020-01-03 | Transformer substation's protection clamp plate inspection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010005295.7A CN111162470A (en) | 2020-01-03 | 2020-01-03 | Transformer substation's protection clamp plate inspection device |
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| CN111162470A true CN111162470A (en) | 2020-05-15 |
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| CN202010005295.7A Pending CN111162470A (en) | 2020-01-03 | 2020-01-03 | Transformer substation's protection clamp plate inspection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113219371A (en) * | 2021-05-19 | 2021-08-06 | 广东电网有限责任公司 | Take protection clamp plate that break-make detected |
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| CN113219371A (en) * | 2021-05-19 | 2021-08-06 | 广东电网有限责任公司 | Take protection clamp plate that break-make detected |
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Application publication date: 20200515 |
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