CN113109654A - Wiring sleeve and switch cabinet - Google Patents
Wiring sleeve and switch cabinet Download PDFInfo
- Publication number
- CN113109654A CN113109654A CN202110406173.3A CN202110406173A CN113109654A CN 113109654 A CN113109654 A CN 113109654A CN 202110406173 A CN202110406173 A CN 202110406173A CN 113109654 A CN113109654 A CN 113109654A
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- Prior art keywords
- connection
- collection unit
- unit
- data connection
- voltage
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Patch Boards (AREA)
Abstract
The invention relates to the technical field of power grid equipment, and particularly discloses a wiring sleeve and a switch cabinet. The wiring sleeve comprises a sleeve body, a current collecting unit, a voltage collecting unit, a temperature collecting unit, a partial discharge collecting unit and a total management unit, wherein a conductive body is arranged on a middle shaft part of the sleeve body, the current collecting unit, the voltage collecting unit, the temperature collecting unit and the partial discharge collecting unit are respectively sleeved on the outer side of the conductive body at intervals, the current collecting unit, the voltage collecting unit, the temperature collecting unit and the partial discharge collecting unit are respectively in communication connection with the total management unit, and two ends of the conductive body are respectively and electrically connected with a bus and a cable of a switch cabinet. The wiring sleeve has the advantages of small occupied volume, high mounting and dismounting efficiency, high equipment adaptability and low replacement difficulty.
Description
Technical Field
The invention relates to the technical field of power grid equipment, in particular to a wiring sleeve and a switch cabinet.
Background
Along with electric power system's development, will promote the management effect of power supply reliability, reduce the trouble and have a power failure scope, be provided with a large amount of measuring device and sensor in the cubical switchboard usually for carry out data acquisition and protection to the cubical switchboard, lead to the existence of following problem:
the existing measuring device and the sensor are independent when being installed, and occupy large space, on one hand, different measuring devices and sensors cannot be uniformly adapted due to the fact that the design size of a switch cabinet is changed continuously; on the other hand, the size is not uniform, so that the difficulty of replacing the old equipment is increased.
Disclosure of Invention
An object of the embodiments of the present invention is to provide a connection bushing, which has a small occupied volume, high acquisition precision, high installation and disassembly efficiency, high equipment adaptability, and low replacement difficulty.
Another object of the embodiments of the present invention is to provide a switch cabinet, which has a small size, high maintenance efficiency and small maintenance difficulty.
To achieve the purpose, the embodiment of the invention adopts the following technical scheme:
the first aspect provides a wiring sleeve, including sleeve pipe body, current acquisition unit, voltage acquisition unit, temperature acquisition unit, collection unit and total management unit are put in the office, the well axial region of sleeve pipe body is provided with the electric conductor, current acquisition unit voltage acquisition unit temperature acquisition unit with collection unit equal interval cover is put in the office is established the electric conductor outside, just current acquisition unit voltage acquisition unit temperature acquisition unit with collection unit is put in the office all with total management unit communication connection, the both ends of electric conductor are electric connection switch cabinet's generating line and cable respectively.
As a preferable scheme of the connection sleeve, the connection sleeve further comprises a current data connection interface, a voltage data connection interface, a temperature data connection interface and a local discharge data connection interface, wherein the current data connection interface, the voltage data connection interface, the temperature data connection interface and the local discharge data connection interface are respectively in communication connection with the general management unit.
As a preferable scheme of the connection sleeve, the connection sleeve further comprises a data connection line, and the current data connection interface, the voltage data connection interface, the temperature data connection interface and the partial discharge data connection interface can be electrically connected with the data connection line respectively.
The preferred scheme of the connection sleeve also comprises a wireless transmission unit which is in communication connection with the total management unit.
The preferred scheme of the wiring sleeve also comprises a display screen, and the display screen is in communication connection with the total management unit.
As a preferred scheme of the connection sleeve, the sleeve body further comprises a first shell and a second shell, the outer diameter of the first shell is larger than that of the second shell, the total management unit is arranged in the first shell, and the current acquisition unit, the voltage acquisition unit, the temperature acquisition unit and the partial discharge acquisition unit are arranged in the second shell.
As a preferred embodiment of the connection bushing, the first housing, the second housing and the electrical conductor are arranged coaxially and concentrically.
As a preferable scheme of the connection sleeve, the connection sleeve further comprises a connection nut and a connection screw rod, a threaded hole is formed in the end portion of the conductor, the connection screw rod is in threaded connection with the threaded hole, the connection nut is in threaded connection with the connection screw rod, a through hole is formed in the bus, the connection screw rod penetrates through the through hole, and the bus is arranged between the conductor and the connection screw rod.
As a preferred scheme of the wiring sleeve, the wiring sleeve further comprises a connecting screw, a threaded hole is formed in the end portion of the conductor, the connecting screw is in threaded connection with the threaded hole, and the connecting screw is detachably connected with the cable.
In a second aspect, a switch cabinet is provided, which comprises a cabinet body and the wiring sleeve, wherein the wiring sleeve, the bus and the cable are arranged in the cabinet body, and the conductor of the wiring sleeve is electrically connected with the bus and the cable respectively.
The embodiment of the invention has the beneficial effects that:
form the wiring sleeve through setting up the sleeve pipe body, the current acquisition unit, the voltage acquisition unit, the temperature acquisition unit, collection unit and total management unit are put in the office, wherein, the well axial region of sleeve pipe body is provided with the electric conductor, the current acquisition unit, the voltage acquisition unit, the equal interval cover of collection unit is put in temperature acquisition unit and office is established in the electric conductor outside, through the current acquisition unit, the voltage acquisition unit, the current data, the voltage data, the temperature data and the partial discharge data of collecting the electric conductor respectively are put in temperature acquisition unit and office. And the current acquisition unit, the voltage acquisition unit, the temperature acquisition unit and the partial discharge acquisition unit are in communication connection with the total management unit, and the total management unit is used for storing and analyzing current data, voltage data, temperature data and partial discharge data, so that the insulation abnormal state and the discharge fault of the conductor can be judged in time. In addition, the two ends of the conductor are respectively and electrically connected with the bus and the cable of the switch cabinet, so that the bus and the cable are ensured to be electrically connected, the condition that a large number of acquisition sensors are arranged on the bus and the cable to occupy a large volume is avoided, the connection sleeve can be directly mounted or dismounted on different switch cabinets conveniently, the mounting and dismounting efficiency is improved, and the adaptability of the connection sleeve of the embodiment of the invention is also improved. Therefore, the wiring sleeve of the embodiment of the invention has the advantages of small occupied volume, high mounting and dismounting efficiency, high equipment adaptability and low replacement difficulty.
Drawings
The invention is explained in more detail below with reference to the figures and examples.
Fig. 1 is a partially sectional structural view of a connection box according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a connection sleeve according to an embodiment of the present invention.
Fig. 3 is a schematic structural view of a connection bushing according to another embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a data link according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a switch cabinet according to an embodiment of the present invention.
In the figure:
1. a wiring sleeve; 11. a sleeve body; 111. an electrical conductor; 112. a first housing; 113. a second housing; 121. a current collection unit; 122. a current data connection interface; 131. a voltage acquisition unit; 132. a voltage data connection interface; 141. a temperature acquisition unit; 142. a temperature data connection interface; 151. a partial discharge acquisition unit; 152. a partial discharge data connection interface; 16. a total management unit; 17. a data link; 181. a wireless transmission unit; 182. a display screen; 191. a connecting nut; 192. connecting a screw rod; 193. a connecting screw; 2. a cabinet body; 21. a bus bar; 22. an electrical cable.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. 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 invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Referring to fig. 1, an embodiment of the present invention provides a connection sleeve 1, including a sleeve body 11, a current collection unit 121, a voltage collection unit 131, a temperature collection unit 141, a partial discharge collection unit 151, and a total management unit 16, where a conductive body 111 is disposed on a middle shaft portion of the sleeve body 11, the current collection unit 121, the voltage collection unit 131, the temperature collection unit 141, and the partial discharge collection unit 151 are all sleeved outside the conductive body 111 at intervals, the current collection unit 121, the voltage collection unit 131, the temperature collection unit 141, and the partial discharge collection unit 151 are all in communication connection with the total management unit 16, and two ends of the conductive body 111 are respectively electrically connected to a bus 21 and a cable 22 of a switch cabinet.
The embodiment of the invention forms the wiring sleeve 1 by arranging the sleeve body 11, the current acquisition unit 121, the voltage acquisition unit 131, the temperature acquisition unit 141, the partial discharge acquisition unit 151 and the general management unit 16, wherein the middle shaft part of the sleeve body 11 is provided with the conductor 111, the current acquisition unit 121, the voltage acquisition unit 131, the temperature acquisition unit 141 and the partial discharge acquisition unit 151 are all sleeved outside the conductor 111 at intervals, and the current acquisition unit 121, the voltage acquisition unit 131, the temperature acquisition unit 141 and the partial discharge acquisition unit 151 are used for respectively acquiring current data, voltage data, temperature data and partial discharge data of the conductor 111. Moreover, the current collecting unit 121, the voltage collecting unit 131, the temperature collecting unit 141 and the local discharge collecting unit 151 are all in communication connection with the general management unit 16, and the general management unit 16 stores and analyzes current data, voltage data, temperature data and partial discharge data, so that the insulation abnormal state and the discharge fault of the conductor 111 can be judged in time.
In addition, two ends of the conductor 111 are respectively electrically connected with the bus 21 and the cable 22 of the switch cabinet, so that the bus 21 and the cable 22 are ensured to be electrically connected, the occupation of a large volume caused by arranging a large number of acquisition sensors on the bus 21 and the cable 22 is avoided, the direct installation or disassembly of the wiring sleeve 1 on different switch cabinets is facilitated, the assembly and disassembly efficiency is improved, and the adaptability of the wiring sleeve 1 in the embodiment of the invention is also improved.
Moreover, in all the acquisition units are uniformly arranged in the sleeve body 11, the process control of all the acquisition units is facilitated, the mounting accuracy of all the acquisition units is improved, the acquisition accuracy is further improved, and when the electricity stealing condition occurs, the result can be directly obtained from the acquired data of all the acquisition units.
Therefore, the wiring sleeve 1 of the embodiment of the invention has the advantages of small occupied volume, high acquisition precision, high mounting and dismounting efficiency, high equipment adaptability and low replacement difficulty.
In one embodiment, referring to fig. 1, the connection sleeve 1 of the embodiment of the present invention further includes a current data connection interface 122, a voltage data connection interface 132, a temperature data connection interface 142, and an office data connection interface 152, and the current data connection interface 122, the voltage data connection interface 132, the temperature data connection interface 142, and the office data connection interface 152 are respectively connected to the central management unit 16 in a communication manner. The present embodiment can acquire the current data stored in the total management unit 16 by connecting the current data connection interface 122, and can acquire the voltage data stored in the total management unit 16 by connecting the voltage data connection interface 132. Similarly, temperature data and local play data can also be collected via the temperature data connection interface 142 and the local play data connection interface 152. Different data can be effectively distinguished by setting different data connection interfaces, and management is facilitated.
Further, referring to fig. 4, the connection sleeve 1 of the embodiment of the present invention further includes a data connection line 17, and the current data connection interface 122, the voltage data connection interface 132, the temperature data connection interface 142, and the local discharge data connection interface 152 can be electrically connected to the data connection line 17, respectively. The data connection line 17 is provided to facilitate electrical connection with the current data connection interface 122, the voltage data connection interface 132, the temperature data connection interface 142, and the local discharge data connection interface 152.
In a preferred embodiment, the current collecting unit 121 is manufactured by using a low-temperature drift iron core and is wound by using an independent coil, and a corresponding current ratio processing unit can be configured according to actual use requirements; the voltage acquisition unit 131 adopts a composite film capacitor similar to a CVT mutual inductor structure, the maximum error variation is less than 0.25% within the full temperature range of-40-70 ℃, the requirement of a standard-specified 0.5-level sensor on temperature variation index is met, and meanwhile, 220V voltage and 110V voltage can be respectively output.
In another embodiment, referring to fig. 1, the connection sleeve 1 of the embodiment of the present invention further includes a wireless transmission unit 181, wherein the wireless transmission unit 181 is connected to the total management unit 16 in a communication manner, and communicates with a terminal or a server through the wireless transmission unit 181, and wirelessly transmits the current data, the voltage data, the temperature data and the local discharge data. The wireless transmission unit 181 of this embodiment may be a bluetooth module, or may also be a WiFi module or a microwave transmission module, and this embodiment is not limited in particular.
Referring particularly to FIG. 2, the splice enclosure 1 of the present embodiment also includes a display screen 182, the display screen 182 communicatively coupled to the central management unit 16. The collected data and the analysis result of the general management unit 16 are displayed through the display screen 182, so that the operation and maintenance personnel can directly take measures such as power failure, maintenance or current situation maintenance according to the display result.
Optionally, referring to fig. 2, the cannula body 11 further includes a first housing 112 and a second housing 113, an outer diameter of the first housing 112 is larger than an outer diameter of the second housing 113, the total management unit 16 is disposed in the first housing 112, and the current collecting unit 121, the voltage collecting unit 131, the temperature collecting unit 141, and the partial discharge collecting unit 151 are disposed in the second housing 113. The total management unit 16, the current collection unit 121, the voltage collection unit 131, the temperature collection unit 141 and the local amplifier collection unit 151 are distinguished by the first housing 112 and the second housing 113, so that heat dissipation and arrangement of the total management unit 16 are facilitated, and connection of the total management unit 16 and the current collection unit 121, the voltage collection unit 131, the temperature collection unit 141 and the local amplifier collection unit 151 is facilitated.
Preferably, referring to fig. 2, by utilizing the characteristic that the circular area is the largest in the graph with the same circumference, the current collecting unit 121, the voltage collecting unit 131, the temperature collecting unit 141 and the local discharge collecting unit 151 are arranged in the first shell 112 and the second shell 113 with effective volumes, and the first shell 112, the second shell 113 and the conductor 111 are coaxially and concentrically arranged, so that the occupied volume of the connection sleeve 1 of the embodiment of the present invention can be further reduced.
On the other hand, referring to fig. 3, the connection sleeve 1 of the embodiment of the present invention further includes a connection nut 191 and a connection screw 192, the end of the conductor 111 is provided with a threaded hole, the connection screw 192 is in threaded connection with the threaded hole, the connection nut 191 is in threaded connection with the connection screw 192, the bus bar 21 is provided with a through hole, the connection screw 192 is inserted into the through hole, and the bus bar 21 is disposed between the conductor 111 and the connection screw 192. In the present embodiment, the conductor 111 and the bus bar 21 can be fixedly connected and electrically connected, the connection strength between the conductor 111 and the bus bar 21 is improved, and the installation and removal of the conductor 111 and the bus bar 21 are facilitated.
Similarly, referring to fig. 3, the connection sleeve 1 according to the embodiment of the present invention further includes a connection screw 193, the end of the conductor 111 is provided with a threaded hole, the connection screw 193 is in threaded connection with the threaded hole, and the connection screw 193 is detachably connected with the cable 22, so that the connection strength between the conductor 111 and the cable 22 can be improved, and the installation and the removal of the conductor 111 and the cable 22 are also facilitated.
Referring to fig. 5, an embodiment of the present invention further provides a switch cabinet, which includes a cabinet body 2, a bus bar 21, a cable 22, and the connection sleeve 1 of any one of the above embodiments, the connection sleeve 1, the bus bar 21, and the cable 22 are disposed in the cabinet body 2, and the conductor 111 of the connection sleeve 1 is electrically connected to the bus bar 21 and the cable 22, respectively. The connection sleeve 1 in this embodiment may have the same structure and achieve the same effect as the connection sleeve 1 in the above embodiments, and details are not described in this embodiment.
In particular, referring to fig. 5, the display screen 182 may also be disposed on a cabinet door of the cabinet body 2, the display screen 182 is in communication connection with the general management unit 16, and the collected data of the connection sleeve 1 can be directly viewed through the display screen 182 of the cabinet door.
In the description herein, it is to be understood that the terms "upper", "lower", "right", and the like are used in a descriptive sense or a positional relationship based on the orientation shown in the drawings for convenience of description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used merely for descriptive purposes and are not intended to have any special meaning.
In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.
Claims (10)
1. The utility model provides a wiring sleeve, its characterized in that, puts collection unit and total management unit including sleeve pipe body, current collection unit, voltage acquisition unit, temperature collection unit, office, the well axial region of sleeve pipe body is provided with the electric conductor, current collection unit voltage collection unit temperature collection unit with the equal interval cover of collection unit is put in the office is established the electric conductor outside, just current collection unit voltage collection unit temperature collection unit with the collection unit is put in the office all with total management unit communication connection, the both ends of electric conductor are electric connection switch cabinet's generating line and cable respectively.
2. The connection bushing of claim 1, further comprising a current data connection interface, a voltage data connection interface, a temperature data connection interface, and a partial discharge data connection interface, the current data connection interface, the voltage data connection interface, the temperature data connection interface, and the partial discharge data connection interface being in communication connection with the central management unit, respectively.
3. A connection bushing as claimed in claim 2, characterized in that it further comprises a data connection line, to which the current data connection interface, the voltage data connection interface, the temperature data connection interface and the partial discharge data connection interface, respectively, can be electrically connected.
4. The splice enclosure of claim 1, further comprising a wireless transmission unit communicatively coupled to the central management unit.
5. The splice enclosure of claim 1, further comprising a display screen communicatively coupled to the central management unit.
6. The connection bushing of claim 1, wherein the bushing body further includes a first housing and a second housing, an outer diameter of the first housing is larger than an outer diameter of the second housing, the total management unit is disposed in the first housing, and the current collection unit, the voltage collection unit, the temperature collection unit, and the partial discharge collection unit are all disposed in the second housing.
7. The splice enclosure of claim 6, wherein the first housing, the second housing, and the electrical conductor are coaxially concentrically arranged.
8. The connection bushing of claim 1, further comprising a connection nut and a connection screw, wherein a threaded hole is formed at an end of the conductor, the connection screw is in threaded connection with the threaded hole, the connection nut is in threaded connection with the connection screw, a through hole is formed in the bus bar, the connection screw is inserted into the through hole, and the bus bar is disposed between the conductor and the connection screw.
9. The splice enclosure of claim 1, further comprising a connection screw, wherein the end of the electrical conductor is provided with a threaded bore, the connection screw being threadably connected to the threaded bore, the connection screw being removably connected to the cable.
10. A switchgear comprising a cabinet body, a bus bar, a cable and a bushing as claimed in any one of claims 1 to 9, the bushing, bus bar and cable being disposed within the cabinet body, the conductors of the bushing being electrically connected to the bus bar and the cable, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110406173.3A CN113109654A (en) | 2021-04-15 | 2021-04-15 | Wiring sleeve and switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110406173.3A CN113109654A (en) | 2021-04-15 | 2021-04-15 | Wiring sleeve and switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113109654A true CN113109654A (en) | 2021-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110406173.3A Pending CN113109654A (en) | 2021-04-15 | 2021-04-15 | Wiring sleeve and switch cabinet |
Country Status (1)
| Country | Link |
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| CN (1) | CN113109654A (en) |
Citations (9)
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|---|---|---|---|---|
| CN102222870A (en) * | 2011-06-09 | 2011-10-19 | 上海天灵开关厂有限公司 | Integrated cable inlet-outlet sleeve |
| CN102447228A (en) * | 2011-12-26 | 2012-05-09 | 沈阳华德海泰电器有限公司 | High-pressure large-current dry compressed air insulated metal closed switch equipment |
| CN105137152A (en) * | 2015-08-21 | 2015-12-09 | 华北电力大学 | Ground lead current signal monitoring sensor for end screen of transformer bushing |
| WO2016045385A1 (en) * | 2014-09-22 | 2016-03-31 | 北京瑞恒新源投资有限公司 | Combined electrical appliance of multiple set of capacitive screen insulating core |
| CN106353579A (en) * | 2016-08-30 | 2017-01-25 | 浙江图维科技股份有限公司 | Device and method for integrated monitoring of cable current, conductor temperature and internal partial discharge |
| CN106356801A (en) * | 2016-10-28 | 2017-01-25 | 成都盛帮双核科技有限公司 | Connecting sleeve |
| CN110568229A (en) * | 2019-09-10 | 2019-12-13 | 国网安徽省电力有限公司 | 220KV current transformer bushing end screen signal pickup device |
| CN211348502U (en) * | 2019-07-19 | 2020-08-25 | 江苏峰工电气科技有限公司 | Cable joint monitoring data acquisition device and system thereof |
| CN211402430U (en) * | 2019-09-10 | 2020-09-01 | 国网安徽省电力有限公司电力科学研究院 | 220KV current transformer bushing end screen signal pickup device |
-
2021
- 2021-04-15 CN CN202110406173.3A patent/CN113109654A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102222870A (en) * | 2011-06-09 | 2011-10-19 | 上海天灵开关厂有限公司 | Integrated cable inlet-outlet sleeve |
| CN102447228A (en) * | 2011-12-26 | 2012-05-09 | 沈阳华德海泰电器有限公司 | High-pressure large-current dry compressed air insulated metal closed switch equipment |
| WO2016045385A1 (en) * | 2014-09-22 | 2016-03-31 | 北京瑞恒新源投资有限公司 | Combined electrical appliance of multiple set of capacitive screen insulating core |
| CN105137152A (en) * | 2015-08-21 | 2015-12-09 | 华北电力大学 | Ground lead current signal monitoring sensor for end screen of transformer bushing |
| CN106353579A (en) * | 2016-08-30 | 2017-01-25 | 浙江图维科技股份有限公司 | Device and method for integrated monitoring of cable current, conductor temperature and internal partial discharge |
| CN106356801A (en) * | 2016-10-28 | 2017-01-25 | 成都盛帮双核科技有限公司 | Connecting sleeve |
| CN211348502U (en) * | 2019-07-19 | 2020-08-25 | 江苏峰工电气科技有限公司 | Cable joint monitoring data acquisition device and system thereof |
| CN110568229A (en) * | 2019-09-10 | 2019-12-13 | 国网安徽省电力有限公司 | 220KV current transformer bushing end screen signal pickup device |
| CN211402430U (en) * | 2019-09-10 | 2020-09-01 | 国网安徽省电力有限公司电力科学研究院 | 220KV current transformer bushing end screen signal pickup device |
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Application publication date: 20210713 |
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