CN114002531A - A drainage terminal is hit in lightning protection for power transmission and transformation installation - Google Patents
A drainage terminal is hit in lightning protection for power transmission and transformation installation Download PDFInfo
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- CN114002531A CN114002531A CN202111278530.9A CN202111278530A CN114002531A CN 114002531 A CN114002531 A CN 114002531A CN 202111278530 A CN202111278530 A CN 202111278530A CN 114002531 A CN114002531 A CN 114002531A
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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
- 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
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
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Abstract
The invention provides a lightning protection drainage terminal for power transmission and transformation installation, which comprises a terminal body, wherein a conductive outer box is arranged outside the terminal body, the top of the conductive outer box can be also detachably provided with a top cover, conductive columns are fixedly arranged at four bottom corners of the top cover, a lightning guide needle is fixedly arranged at the top of the top cover, the lightning guide needle is connected with the conductive columns through a conductive rod, and the conductive columns are contacted with the conductive outer box. When the terminal body is used outdoors, the conductive outer box protects the terminal body, when thunderstorm weather occurs, the lightning guiding needle guides thunder, current is transmitted to the conductive column body through the conductive rod and then is transmitted to the conductive outer box through the conductive column body, and finally the current is transmitted to the grounding assembly through the substrate and is transmitted to the ground through the grounding assembly.
Description
Technical Field
The invention relates to the technical field of drainage terminals, in particular to a lightning protection drainage terminal for power transmission and transformation installation.
Background
The transmission of electric current often leads to because of the circuit generates heat and causes the loss, so all rise voltage through the transformer when carrying, let the electric current diminish in order to reduce the loss that generates heat, high-tension electricity has very high danger, and target electrical apparatus also need not so high pressure, this just needs to reduce voltage through the transformer, owing to need multiple power transformation at the in-process of current transmission, so call the transmission and transformation of electric current, the transmission and transformation in-process need be through the drainage terminal drainage.
The prior art has the following defects: current drainage terminal sets up in the open air usually, because there is not lightning protection in the drainage terminal use to be handled, can lead to the inside components and parts of drainage terminal to damage when receiving the thunderbolt to lead to whole power transmission system paralyses.
Disclosure of Invention
The invention provides a lightning protection drainage terminal for power transmission and transformation installation, aiming at the defects of the prior art, when the terminal body is used outdoors, a conductive outer box protects the terminal body, when thunderstorm weather occurs, a lightning guiding needle guides lightning, current is transmitted to a conductive column body through a conductive rod, then is transmitted to the conductive outer box through the conductive column body, finally is transmitted to a grounding assembly through a substrate, and is transmitted to the ground through the grounding assembly.
The invention solves the technical problems through the following technical means: the lightning protection drainage terminal for power transmission and transformation installation comprises a terminal body, and is different from the prior art in that a conductive outer box is arranged outside the terminal body, a top cover is detachably arranged on the top of the conductive outer box, conductive columns are fixedly arranged at four bottom corners of the top cover, a lightning-guiding needle is fixedly arranged on the top of the top cover and is connected with the conductive columns through conductive rods, the conductive columns are in contact with the conductive outer box, a base plate is fixedly arranged at the bottom of the conductive outer box, grounding assemblies are fixedly arranged at the four bottom corners of the base plate, and the conductive outer box, the conductive columns, the conductive rods and the base plate are all made of conductive materials;
when the outdoor use of terminal body, the protection processing is done to the terminal body to electrically conductive outer container, when meetting thunderstorm weather, draws thunder needle and draws the thunder and lightning, and the electric current passes through the conducting rod and transmits to electrically conductive cylinder, is conducted to electrically conductive outer container by electrically conductive cylinder again on, and the electric current passes through the base plate at last and transmits to ground connection subassembly, by ground connection subassembly with electric current conduction to ground, this drainage terminal has the lightning protection and hits the processing, and the security performance is good, and the holistic protective properties in drainage terminal is good, long service life.
Preferably, the grounding assembly comprises a ground pin, a first grounding wire, a second grounding wire and a guide core, the first grounding wire and the second grounding wire are symmetrically distributed and fixedly arranged on two sides of the ground pin, the guide core is fixedly arranged at the top end of the ground pin, the first grounding wire and the second grounding wire are both connected with the guide core, and the guide core is in contact with the substrate;
when the grounding assembly is used, the substrate is fixed on the ground through the ground inserting pin, the first grounding wire and the second grounding wire are buried underground, and when lightning strikes are carried out, current on the substrate is transmitted to the first grounding wire and the second grounding wire through the guide core and is finally transmitted to the ground through the first grounding wire and the second grounding wire.
As shown in the figure, an insulating inner box is further fixedly arranged inside the conductive outer box, an insulating tray is fixedly arranged at the bottom of an inner cavity of the insulating inner box, the terminal body is fixedly connected with the insulating tray through bolts, and when the conductive outer box conducts lightning current, the insulating inner box and the insulating tray are used for insulating the terminal body, so that the current on the conductive outer box is prevented from being conducted to the terminal body, and the lightning protection effect of the terminal body is further improved.
Preferably, all be equipped with binding post behind the front side of terminal body, the front side and the outside of electrically conductive outer container all fix and are equipped with the insulating cover corresponding with binding post position, just binding post runs through insulating cover to extend to the outside of electrically conductive outer container, the terminal body passes through binding post and power transmission and transformation cable switch-on, and when the thunderbolt phenomenon took place in the drainage process, insulating cover was insulating processing for binding post, further improved the lightning protection effect of terminal body.
Preferably, a cavity is formed between the insulating inner box and the conductive outer box, heat conducting members are arranged on two sides of the cavity, each heat conducting member is composed of a heat conducting portion, a heat absorbing portion and a heat radiating portion, the heat absorbing portion is arranged on two sides of the heat conducting portion and extends to the inner side of the insulating inner box, the heat radiating portion extends to the outer side of the conductive outer box, after the top cover is taken down, cooling liquid can be added into the cavity, in the using process, the heat absorbing portion absorbs heat generated by the terminal body, the heat is conducted to the cooling liquid through the heat conducting portion to be radiated to the heat exchanging portion and the heat radiating portion, the terminal body is provided with double heat radiating treatment in a sealed state, and the service life is long.
Preferably, a liquid drainage component is further fixedly arranged at the bottom of one side of the conductive outer box and used for discharging cooling liquid in the cavity.
Preferably, the bottom of top hood still fixedly is equipped with sealed frame, and sealed frame embedding is on the top of die cavity, the thunder guide needle passes through bearing pad fixed connection with the top hood, and sealed frame is the sealed processing of die cavity seat, and the thunder guide needle has been consolidated to the bearing pad.
The invention has the beneficial effects that:
when the terminal body is used outdoors, the conductive outer box protects the terminal body, when thunderstorm weather occurs, the lightning guiding needle guides thunder, current is transmitted to the conductive column body through the conductive rod and then is transmitted to the conductive outer box through the conductive column body, and finally the current is transmitted to the grounding assembly through the substrate and is transmitted to the ground through the grounding assembly.
The heat absorption portion absorbs heat generated by the terminal body, the heat is conducted to the cooling liquid for heat exchange and is dissipated through the heat conduction portion, the terminal body is provided with double heat dissipation processing in a sealed state, and the service life is long.
The substrate is fixed on the ground through the ground pin, the first ground wire and the second ground wire are buried underground, and when in lightning stroke, the current on the substrate is transmitted to the first ground wire and the second ground wire through the guide core and finally transmitted to the ground through the first ground wire and the second ground wire.
Drawings
FIG. 1 is a longitudinal cross-sectional view of the present invention;
FIG. 2 is a diagram illustrating the explosion effect of the outer case of the present invention;
FIG. 3 is a schematic view of a partial structure of the canopy of the present invention;
FIG. 4 is a partial schematic view of a grounding assembly according to the present invention;
fig. 5 is a partial structural view of the heat-conducting member of the present invention.
In the figure: 1. a terminal body; 2. a conductive outer box; 3. a top cover; 4. a sealing frame; 5. a conductive post; 6. a lightning-guiding needle; 7. a conductive rod; 8. a support pad; 9. a substrate; 10. a ground component; 11. a ground pin is inserted; 12. a first ground line; 13. a second ground line; 14. a guide core; 15. an insulating inner box; 16. an insulating saddle; 17. a wiring terminal; 18. an insulating sleeve; 19. a cavity; 20. a heat conductive member; 21. a heat conducting portion; 22. a heat absorbing part; 23. a heat dissipating section; 24. a drainage assembly.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. 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.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Examples
Referring to fig. 1, the lightning protection drainage terminal for power transmission and transformation installation according to the present embodiment includes a terminal body 1, and is different from the prior art in that a conductive outer box 2 is disposed outside the terminal body 1, a top cover 3 is detachably disposed on the top of the conductive outer box 2, conductive columns 5 are fixedly disposed at four bottom corners of the top cover 3, a lightning rod 6 is fixedly disposed at the top of the top cover 3, the lightning rod 6 is connected to the conductive columns 5 through a conductive rod 7, the conductive columns 5 are in contact with the conductive outer box 2, a substrate 9 is further fixedly disposed at the bottom of the conductive outer box 2, grounding assemblies 10 are fixedly disposed at four bottom corners of the substrate 9, and the conductive outer box 2, the conductive columns 5, the conductive rod 7 and the substrate 9 are made of conductive materials;
when terminal body 1 is used outdoors, protection processing is done to terminal body 1 to electrically conductive outer container 2, when meetting thunderstorm weather, lightning is drawn to lightning-drawing needle 6, the electric current transmits to electrically conductive cylinder 5 through conducting rod 7, conduct to electrically conductive outer container 2 by electrically conductive cylinder 5 again on, the electric current passes through base plate 9 at last and transmits to ground connection subassembly 10, conduct to ground with the electric current by ground connection subassembly 10, this drainage terminal has the lightning protection and hits the processing, the security performance is good, and the holistic protective properties in drainage terminal is good, long service life.
Referring to fig. 4, the grounding assembly 10 includes a ground pin 11, a first grounding wire 12, a second grounding wire 13 and a guide core 14, the first grounding wire 12 and the second grounding wire 13 are symmetrically distributed and fixedly disposed on two sides of the ground pin 11, the guide core 14 is fixedly disposed on the top end of the ground pin 11, the first grounding wire 12 and the second grounding wire 13 are both connected to the guide core 14, and the guide core 14 is in contact with the substrate 9;
when the grounding assembly 10 is used, the substrate 9 is fixed on the ground through the ground pin 11, the first grounding wire 12 and the second grounding wire 13 are buried underground, and when lightning strikes are carried out, the current on the substrate 9 is transmitted to the first grounding wire 12 and the second grounding wire 13 through the guide core 14 and is finally transmitted to the ground through the first grounding wire 12 and the second grounding wire 13.
Referring to fig. 1, an insulating inner box 15 is further fixedly disposed inside the conductive outer box 2, an insulating tray 16 is fixedly disposed at the bottom of an inner cavity of the insulating inner box 15, and the terminal body 1 and the insulating tray 16 are fixedly connected by a bolt, so that when the conductive outer box 2 conducts lightning current, the insulating inner box 15 and the insulating tray 16 perform insulating treatment on the terminal body 1, the current on the conductive outer box 2 is prevented from being conducted to the terminal body 1, and the lightning protection effect of the terminal body 1 is further improved.
Referring to fig. 2, the front side and the rear side of the terminal body 1 are both provided with a connection terminal 17, the front side and the outer side of the conductive outer box 2 are both fixedly provided with an insulation sleeve 18 corresponding to the connection terminal 17, the connection terminal 17 penetrates through the insulation sleeve 18 and extends to the outer side of the conductive outer box 2, the terminal body 1 is connected with a power transmission and transformation cable through the connection terminal 17, when a lightning strike occurs in the drainage process, the insulation sleeve 18 conducts insulation treatment for the connection terminal 17, and the lightning protection effect of the terminal body 1 is further improved.
Referring to fig. 1, a cavity 19 is formed between the insulating inner box 15 and the conductive outer box 2, heat conducting members 20 are disposed on both sides of the cavity 19, each heat conducting member 20 is composed of a heat conducting portion 21, a heat absorbing portion 22 and a heat dissipating portion 23, the heat absorbing portion 22 extends to the inner side of the insulating inner box 15, the heat dissipating portion 23 extends to the outer side of the conductive outer box 2, after the top cover 3 is removed, a cooling liquid can be added into the cavity 19, in the using process, the heat absorbing portion 22 absorbs heat generated by the terminal body 1, the heat is conducted to the cooling liquid through the heat conducting portion 21 to exchange heat and the heat dissipating portion 23 to dissipate heat, and the terminal body 1 has double heat dissipation processing in a sealed state and has a long service life.
Referring to fig. 1, a liquid drainage assembly 24 is further fixedly disposed at a bottom of one side of the outer conductive box 2, and the liquid drainage assembly 24 is used for draining the cooling liquid inside the cavity 19.
Referring to fig. 3, a sealing frame 4 is further fixedly arranged at the bottom of the top cover 3, the sealing frame 4 is embedded at the top end of the cavity 19, the lightning rod 6 is fixedly connected with the top cover 3 through a bearing pad 8, the sealing frame 4 is used for sealing the cavity 19, and the bearing pad 8 reinforces the lightning rod 6.
It is noted that, in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. The utility model provides a drainage terminal is hit in lightning protection for power transmission and transformation installation, includes terminal body (1), its characterized in that: the terminal comprises a terminal body (1), a conductive outer box (2) is arranged outside the terminal body (1), the top of the conductive outer box (2) can be detachably provided with a top cover (3), conductive columns (5) are fixedly arranged at four bottom corners of the top cover (3), a lightning-guiding needle (6) is fixedly arranged at the top of the top cover (3), the lightning-guiding needle (6) is connected with the conductive columns (5) through conductive rods (7), the conductive columns (5) are in contact with the conductive outer box (2), a base plate (9) is fixedly arranged at the bottom of the conductive outer box (2), and grounding assemblies (10) are fixedly arranged at the four bottom corners of the base plate (9);
lightning is led by the lightning leading needle (6), current is transmitted to the conductive column body (5) through the conductive rod (7), then is transmitted to the conductive outer box (2) through the conductive column body (5), and finally the current is transmitted to the grounding assembly (10) through the substrate (9), and is transmitted to the ground through the grounding assembly (10).
2. The lightning protection drainage terminal for electric transmission and transformation installation according to claim 1, wherein: the conductive outer box (2), the conductive column body (5), the conductive rod (7) and the substrate (9) are all made of conductive materials.
3. The lightning protection drainage terminal for electric transmission and transformation installation according to claim 1, wherein: the grounding assembly (10) comprises a ground pin (11), a first grounding wire (12), a second grounding wire (13) and a guide core (14), the first grounding wire (12) and the second grounding wire (13) are symmetrically distributed and fixedly arranged on two sides of the ground pin (11), the guide core (14) is fixedly arranged on the top end of the ground pin (11), the first grounding wire (12) and the second grounding wire (13) are connected with the guide core (14), and the guide core (14) is in contact with the substrate (9).
4. The lightning protection drainage terminal for electric transmission and transformation installation according to claim 3, wherein: the inside of electrically conductive outer container (2) is still fixed and is equipped with insulating inner box (15), the fixed insulating saddle (16) that is equipped with in inner chamber bottom of insulating inner box (15), and terminal body (1) and insulating saddle (16) pass through bolt fixed connection, and when electrically conductive outer container (2) conduction thunder and lightning electric current, insulating processing is done for terminal body (1) in insulating inner box (15) and insulating saddle (16), prevents that the electric current on the electrically conductive outer container (2) from conducting to terminal body (1).
5. The lightning protection drainage terminal for electric transmission and transformation installation according to claim 4, wherein: the front side and the back of terminal body (1) all are equipped with binding post (17), the front side and the outside of electrically conductive outer container (2) all fixed be equipped with binding post (17) position corresponding insulating cover (18), just binding post (17) run through insulating cover (18) to extend to the outside of electrically conductive outer container (2), terminal body (1) is through binding post (17) and power transmission and transformation cable switch-on, when the thunderbolt phenomenon takes place among the drainage process, insulating processing is done for binding post (17) in insulating cover (18).
6. The lightning protection drainage terminal for electric transmission and transformation installation according to claim 4 or 5, wherein: a cavity (19) is formed between the insulating inner box (15) and the conductive outer box (2), heat conducting pieces (20) are arranged on two sides of the cavity (19), each heat conducting piece (20) consists of a heat conducting portion (21), heat absorbing portions (22) and heat radiating portions (23), the heat absorbing portions (22) are arranged on two sides of the heat conducting portions (21), the heat radiating portions (23) extend to the inner side of the insulating inner box (15), the heat radiating portions (23) extend to the outer side of the conductive outer box (2), and the top cover (3) can be taken down to add cooling liquid length to the inside of the cavity (19).
7. The lightning protection drainage terminal for electric transmission and transformation installation according to claim 1, wherein: and a liquid drainage component (24) is fixedly arranged at the bottom of one side of the conductive outer box (2), and the liquid drainage component (24) is used for discharging cooling liquid in the cavity (19).
8. The lightning protection drainage terminal for electric transmission and transformation installation according to claim 7, wherein: the bottom of the top cover (3) is also fixedly provided with a sealing frame (4), the sealing frame (4) is embedded into the top end of the cavity (19), and the lightning guide needle (6) is fixedly connected with the top cover (3) through a bearing pad (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111278530.9A CN114002531A (en) | 2021-10-30 | 2021-10-30 | A drainage terminal is hit in lightning protection for power transmission and transformation installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111278530.9A CN114002531A (en) | 2021-10-30 | 2021-10-30 | A drainage terminal is hit in lightning protection for power transmission and transformation installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114002531A true CN114002531A (en) | 2022-02-01 |
Family
ID=79925764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111278530.9A Withdrawn CN114002531A (en) | 2021-10-30 | 2021-10-30 | A drainage terminal is hit in lightning protection for power transmission and transformation installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114002531A (en) |
-
2021
- 2021-10-30 CN CN202111278530.9A patent/CN114002531A/en not_active Withdrawn
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20220201 |
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| WW01 | Invention patent application withdrawn after publication |