CN214336584U - Utmost point post casing and protective apparatus - Google Patents
Utmost point post casing and protective apparatus Download PDFInfo
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- CN214336584U CN214336584U CN202120037462.6U CN202120037462U CN214336584U CN 214336584 U CN214336584 U CN 214336584U CN 202120037462 U CN202120037462 U CN 202120037462U CN 214336584 U CN214336584 U CN 214336584U
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- sensor
- pole
- pole housing
- housing
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Abstract
The utility model provides a pole housing and a protection device, which comprises a sensor embedded in the pole housing; a receiving cavity for receiving a fuse is formed in the pole housing. The utility model discloses the advantage: the operation condition in the distribution line is monitored in real time through the multiple combined power sensors, and if an insulation ground short circuit fault occurs in the distribution line, the fault type can be conveniently and reliably determined and researched according to the monitored electric energy signal, so that the fault point can be quickly isolated, the power failure area is reduced, and the adverse effect caused by large-area power failure is reduced; the adoption buries the sensor in utmost point post casing's inside underground, can play the guard action to the sensor, avoids adverse effect to the sensor is caused to adverse circumstances, improves life, ensures safe in utilization.
Description
[ technical field ] A method for producing a semiconductor device
The utility model discloses distribution protection equipment field, in particular to utmost point post casing and protective apparatus.
[ background of the invention ]
The boundary switch equipment is a protection equipment for a distribution branch line, and when a distribution line branch or a user side has a fault, if the relay protection action time limit of the boundary switch equipment is not matched with the relay protection action time limit of a substation outgoing line switch of a power supply company, the outgoing line switch of the substation can be switched off. Because the traditional demarcation switchgear can not judge the fault fast, a large amount of manpower and material resources are needed to be consumed when the fault is eliminated and maintained. In view of the above problems, the present inventors have conducted extensive studies and have made the present invention.
[ Utility model ] content
The to-be-solved technical problem of the utility model lies in providing a utmost point post casing and protective apparatus for realize electric energy signal and gather in real time, study and judge the trouble fast for control terminal.
The utility model discloses a realize like this: a pole housing comprises a sensor embedded in the pole housing; a receiving cavity for receiving a fuse is formed in the pole housing.
Further, the sensor includes a current sensor.
Further, the current sensor is a feed-through current transformer.
Furthermore, the current sensor is embedded in the middle of the pole housing.
Further, the current sensor has a first connection terminal extending to the outside of the pole housing.
Further, the sensor also comprises a voltage sensor.
Further, the voltage sensor is a capacitance voltage-dividing sensor or a resistance-capacitance voltage-dividing sensor.
Further, the voltage sensor is embedded in the lower portion of the pole housing.
Further, the pole housing further comprises a first conductive sleeve disposed at an upper portion of the receiving chamber and a second conductive sleeve disposed at a lower portion of the receiving chamber.
Further, one end of the voltage sensor is provided with a second connecting terminal connected with the second conductive sleeve, and the other end of the voltage sensor is provided with a third connecting terminal extending to the outside of the pole housing.
Further, the cavity inlet of the receiving cavity is located at the bottom of the pole housing.
Further, a through hole through which the fuse passes is formed in the middle of the second conductive sleeve.
Further, the sensor also comprises a power-taking sensor.
Further, the electricity-taking sensor is a capacitance voltage-dividing sensor or a resistance-capacitance voltage-dividing sensor.
Furthermore, the electricity-taking sensor is embedded in the lower part of the pole casing.
Further, the voltage sensor and the electricity taking sensor are embedded in the same side of the pole casing.
Furthermore, one end of the electricity-taking sensor is provided with a fourth connecting terminal connected with the second conductive sleeve, and the other end of the electricity-taking sensor is provided with a fifth connecting terminal extending to the outside of the pole housing.
Furthermore, the pole housing is formed by pouring engineering plastics.
Furthermore, the pole housing is a housing formed by pouring an epoxy resin material or a composite nylon material.
Furthermore, the current sensor, the voltage sensor, the electricity taking sensor, the first conductive sleeve, the second conductive sleeve and the pole casing are cast into a whole.
The protection equipment comprises the pole housing and the fuse protector; the fuse is mounted within the receiving chamber of the post housing.
The utility model has the advantages that:
firstly, the method comprises the following steps: the utility model discloses well adoption buries the sensor underground in utmost point post casing, specifically can set up multiple sensor for the operational aspect in the power sensor real-time supervision distribution lines of specific during operation through multiple combination, if when taking place insulating ground short-circuit fault in the distribution lines, can be convenient for study and judge the affirmation fault type according to the electric energy signal monitored fast reliably, so that quick isolation fault point reduces the area of having a power failure and reduces the harmful effects that the large tracts of land has a power failure brought. Meanwhile, the sensor is embedded in the pole housing, so that the sensor can be protected, adverse effects on the sensor caused by severe environment are avoided, the service life is prolonged, and the use safety is ensured; in addition, the sensor is embedded in the pole shell, so that the structure is more compact, and the occupied space is reduced.
Secondly, the method comprises the following steps: with current sensor, voltage sensor, get the electric sensor, first electrically conductive external member, the electrically conductive external member of second and utmost point post casing is whole to be poured into a whole, have following beneficial effect: 1. the casting process is used for integral casting molding, so that the assembly process is simplified, the production efficiency is improved, and the firmness is good; meanwhile, the insulation performance of the cast pole shell is good, the insulation and voltage resistance level can be improved, and the use safety of high-voltage power distribution is ensured; 2. the sealing performance can be ensured, the influence of the external severe environment on a current sensor, a voltage sensor, a power taking sensor, a first conductive external member, a second conductive external member and the like can be avoided, and the service life is prolonged; 3. the current sensor and the voltage sensor can conveniently acquire electric energy signals and the electricity-taking sensor can take electricity, so that the use is more stable and reliable; 4. can ensure compact and beautiful integral structure and reduce occupied space.
[ description of the drawings ]
The invention will be further described with reference to the following examples with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a pole housing according to the present invention when a fuse is not installed;
fig. 2 is a schematic structural diagram of a pole housing when a fuse is installed in the utility model;
fig. 3 is a schematic structural diagram of a second conductive sleeve according to the present invention.
Description of reference numerals:
1-pole housing, 11-receiving chamber, 111-cavity inlet, 12-insulating housing, 2-fuse, 3-current sensor, 31-first connection terminal, 4-voltage sensor, 41-second connection terminal, 42-third connection terminal, 5-first conductive kit, 6-second conductive kit, 61-through hole, 7-control terminal, 8-electricity sensor, 81-fourth connection terminal, 82-fifth connection terminal, 9-incoming cable, 10-outgoing cable.
[ detailed description ] embodiments
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Detailed description of the preferred embodiment 1
Referring to fig. 1 to 3, a preferred embodiment of a pole housing 1 of the present invention includes a sensor (not shown) embedded in the pole housing 1; a receiving chamber 11 for receiving the fuse 2 is formed in the pole housing 1. The utility model discloses a bury the sensor underground at utmost point post casing 1, specifically can set up multiple sensor for the operational aspect in the power sensor real-time supervision distribution lines of specific during operation through multiple combination, if when taking place insulating ground short-circuit fault in the distribution lines, can be convenient for study and judge the affirmation fault type fast reliably according to the electric energy signal who monitors, so that quick isolation fault point reduces the area of having a power failure and reduces the harmful effects that the large tracts of land has a power failure brought. Meanwhile, the utility model adopts the technical scheme that the sensor is embedded in the pole housing 1, so that the sensor can be protected, the adverse effect on the sensor caused by the severe environment is avoided, the service life is prolonged, and the use safety is ensured; in addition, the sensor is embedded in the pole housing 1, so that the structure is more compact, and the occupied space is reduced.
In the present embodiment, the sensor includes a current sensor 3. When the device works, the current sensor 3 collects current signals in real time to provide judgment basis for fault study and judgment.
In a preferred embodiment, the current sensor 3 is a feedthrough current transformer.
In this embodiment, the current sensor 3 is embedded in the middle of the pole housing 1 to realize real-time acquisition of current signals flowing through the fuse 2.
In this embodiment, the current sensor 3 has a first connection terminal 31 extending to the outside of the pole housing 1, so that the first connection terminal 31 can be connected to the control terminal 7 during specific use, and the current signal collected by the current sensor 3 is transmitted to the control terminal 7 for fault study and judgment.
In this embodiment, the sensor further comprises a voltage sensor 4. When the device works, the voltage sensor 4 collects voltage signals in real time, and a more reliable judgment basis is provided for fault research and judgment.
In this embodiment, the voltage sensor 4 is a capacitive voltage division sensor or a resistive-capacitive voltage division sensor, so as to convert high voltage into a low voltage signal.
In this embodiment, the voltage sensor 4 is embedded in the lower portion of the pole housing 1, so as to collect the voltage signal output by the fuse 2 in real time.
In this embodiment, the pole housing 1 further comprises a first conductive sleeve 5 arranged at an upper portion of the receiving chamber 11 and a second conductive sleeve 6 arranged at a lower portion of the receiving chamber 11. When the high-voltage fuse protector works, the upper end of the fuse 2 is in conductive contact with the first conductive sleeve 5, and the lower end of the fuse 2 is in conductive contact with the second conductive sleeve 6, so that current of high voltage firstly flows through the fuse 2 before entering a user side, and the protection effect is achieved.
In this embodiment, one end of the voltage sensor 4 has a second connection terminal 41 connected to the second conductive sleeve 6, so as to collect a voltage signal; the other end is provided with a third connecting terminal 42 extending to the outside of the pole housing 1, so that the third connecting terminal 42 can be connected to the control terminal 7 during specific use, and the voltage signal acquired by the voltage sensor 4 is transmitted to the control terminal 7 for fault research and judgment.
In this embodiment, the cavity entrance 111 of the receiving chamber 11 is located at the bottom of the pole housing 1 for ease of installation and use.
In the present embodiment, in order to facilitate the installation and conductive connection of the fuse 2, a through hole 61 through which the fuse 2 passes is formed in the middle of the second conductive sleeve 6.
In this embodiment, the sensor further includes a power-taking sensor 8. When the power supply device works, electricity can be taken from the output end of the fuse 2 through the electricity taking sensor 8 so as to be supplied to the control terminal 7 for use, and the power supply requirement of the control terminal 7 is met.
In this embodiment, the electricity-taking sensor 8 is a capacitive voltage-dividing sensor or a resistive-capacitive voltage-dividing sensor, so that high-voltage electricity is converted into low-voltage electric energy, and the power supply condition of the control terminal 7 is met. In specific implementation, the electricity-taking sensor 8 can adopt a large-capacity capacitor to store more electric energy, so that a guarantee is provided for power supply of the control terminal 7.
In this embodiment, the electricity-taking sensor 8 is embedded in the lower portion of the pole housing 1 so as to take electricity from the output end of the fuse 2.
In this embodiment, the voltage sensor 4 and the power-taking sensor 8 are embedded in the same side of the pole housing 1. Because when concrete implementation, voltage sensor 4 and get electric sensor 8 and all pour into a mould in utmost point post casing 1's inside through the mode of engineering plastics pouring, through with voltage sensor 4 and get electric sensor 8 parallel arrangement in utmost point post casing 1 same one side, can make things convenient for actual pouring work.
In this embodiment, one end of the electricity-taking sensor 8 has a fourth connection terminal 81 connected to the second conductive kit 6, so as to take electricity from the output end of the fuse 2; the other end is provided with a fifth connecting terminal 82 extending to the outside of the pole housing 1, so that the fifth connecting terminal 82 can be connected to the control terminal 7 in specific use, and the stored electric energy can be supplied to the control terminal 7 for use.
In this embodiment, the pole housing 1 is a housing formed by casting engineering plastics. The pole housing 1 is formed by pouring engineering plastics, so that the pole housing 1 can be ensured to have good insulativity, and the use safety is ensured.
As a best embodiment, in order to achieve better insulation effect and ensure reliability, the pole housing 1 is a housing formed by casting epoxy resin material or composite nylon material.
In this embodiment, the current sensor 3, the voltage sensor 4, the electricity-taking sensor 8, the first conductive sleeve 5, the second conductive sleeve 6 and the pole housing 1 are cast into a whole. When the method is specifically implemented, the current sensor 3, the voltage sensor 4, the electricity-taking sensor 8, the first conductive sleeve 5 and the second conductive sleeve 6 are placed in a mold, and the pole housing 1 is poured through a pouring process, so that the current sensor 3, the voltage sensor 4, the electricity-taking sensor 8, the first conductive sleeve 5 and the second conductive sleeve 6 are all fixedly combined together by the pole housing 1. For example, when an epoxy material is used, the casting may be performed by an APG casting process, which is mainly applied to the production of medium and high voltage epoxy insulation products.
The utility model discloses a with current sensor 3, voltage sensor 4, get electric sensor 8, first electrically conductive external member 5, the electrically conductive external member 6 of second and utmost point post casing 1 all pour into a mould integratively, have following beneficial effect: 1. the casting process is used for integral casting molding, so that the assembly process is simplified, the production efficiency is improved, and the firmness is good; meanwhile, the insulation performance of the cast pole housing 1 is good, the insulation and voltage resistance level can be improved, and the use safety of high-voltage power distribution is ensured; 2. the sealing performance can be ensured, the current sensor 3, the voltage sensor 4, the electricity taking sensor 8, the first conductive sleeve 5, the second conductive sleeve 6 and the like are prevented from being influenced by the external severe environment, and the service life is prolonged; 3. the current sensor 3 and the voltage sensor 4 can conveniently acquire electric energy signals and the electricity taking sensor 8 can take electricity, so that the use is more stable and reliable; 4. can ensure compact and beautiful integral structure and reduce occupied space.
In this embodiment, the outer surface of the pole casing 1 is coated with the insulating casing 12, since the protection device is installed on a distribution branch line and needs to be exposed to a severe environment for a long time, the influence of the severe environment on the boundary protection device can be reduced and the service life can be prolonged by coating the insulating casing 12 on the outer part of the pole casing 1; and the insulation of the boundary protection device can be improved, and the use safety is ensured. The insulating shell 12 is a silica gel shell, and in specific implementation, after the pole casing 1 is molded by casting, silica gel can be cast on the outer surface of the pole casing 1 to form the insulating shell, so that the silica gel shell 1 can well resist the external severe environment and improve the insulating effect.
Specific example 2
Referring to fig. 1 to 3, a preferred embodiment of a protection device of the present invention includes the above-mentioned pole housing 1 and the fuse 2; the fuse 2 is mounted in the receiving chamber 11 of the pole housing 1. The specific structure of the pole housing 1 refers to the description of embodiment 1, and the description is not repeated here.
In this embodiment, the protection device further includes an incoming cable 9 and an outgoing cable 10, where the incoming cable 9 is connected with the first conductive kit 5 in the post housing 1, and the outgoing cable 10 is connected with the second conductive kit 6 in the post housing 1; in specific implementation, the incoming cable 9 and the outgoing cable 10 are also cast with the pole housing 1 into a whole, so that the wiring safety is ensured.
In this embodiment, the protection device further includes a control terminal 7, the first connection terminal 31, the third connection terminal 42 and the fifth connection terminal 82 in the pole housing 1 are all connected with the control terminal 7, so as to supply power to the control terminal 7 through the power-taking sensor 8, and transmit the current signal collected by the current sensor 3 and the voltage signal collected by the voltage sensor 4 to the control terminal 7, so that the control terminal 7 can quickly and reliably study and judge faults.
Although specific embodiments of the present invention have been described, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the claims appended hereto.
Claims (12)
1. A pole housing is characterized in that: the pole comprises a sensor embedded in the pole shell; a receiving chamber for receiving a fuse is formed in the pole housing; the sensor comprises a current sensor, a voltage sensor and a power-taking sensor, wherein the current sensor is embedded in the middle of the pole column shell, the voltage sensor is embedded in the lower part of the pole column shell, the power-taking sensor is embedded in the lower part of the pole column shell, and the voltage sensor and the power-taking sensor are embedded in the same side of the pole column shell; the pole housing further comprises a first conductive sleeve arranged at the upper part of the receiving chamber and a second conductive sleeve arranged at the lower part of the receiving chamber; the current sensor, the voltage sensor, the electricity taking sensor, the first conductive sleeve, the second conductive sleeve and the pole shell are cast into a whole.
2. A pole housing as claimed in claim 1, wherein: the current sensor is a straight-through current transformer.
3. A pole housing as claimed in claim 1, wherein: the current sensor has a first connection terminal extending to an exterior of the pole housing.
4. A pole housing as claimed in claim 1, wherein: the voltage sensor is a capacitance voltage division type sensor or a resistance-capacitance voltage division type sensor.
5. A pole housing as claimed in claim 1, wherein: one end of the voltage sensor is provided with a second connecting terminal connected with the second conductive sleeve, and the other end of the voltage sensor is provided with a third connecting terminal extending to the outside of the pole housing.
6. A pole housing as claimed in claim 1, wherein: the cavity inlet of the receiving cavity is positioned at the bottom of the pole housing.
7. A pole housing as claimed in claim 6, wherein: and a through hole for the fuse to pass through is formed in the middle of the second conductive sleeve.
8. A pole housing as claimed in claim 1, wherein: the electricity taking sensor is a capacitance voltage division type sensor or a resistance-capacitance voltage division type sensor.
9. A pole housing as claimed in claim 1, wherein: one end of the electricity-taking sensor is provided with a fourth connecting terminal connected with the second conductive sleeve, and the other end of the electricity-taking sensor is provided with a fifth connecting terminal extending to the outside of the pole housing.
10. A pole housing as claimed in claim 1, wherein: the pole column shell is a shell formed by pouring engineering plastics.
11. A pole housing as claimed in claim 10, wherein: the pole column shell is a shell formed by pouring an epoxy resin material or a composite nylon material.
12. A protective device, characterized by: the protection device comprises a pole housing and a fuse as claimed in any one of claims 1 to 11; the fuse is mounted within the receiving chamber of the post housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120037462.6U CN214336584U (en) | 2021-01-07 | 2021-01-07 | Utmost point post casing and protective apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120037462.6U CN214336584U (en) | 2021-01-07 | 2021-01-07 | Utmost point post casing and protective apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214336584U true CN214336584U (en) | 2021-10-01 |
Family
ID=77905248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120037462.6U Active CN214336584U (en) | 2021-01-07 | 2021-01-07 | Utmost point post casing and protective apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214336584U (en) |
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2021
- 2021-01-07 CN CN202120037462.6U patent/CN214336584U/en active Active
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