CN218514037U - Medium-voltage cable transfer box - Google Patents
Medium-voltage cable transfer box Download PDFInfo
- Publication number
- CN218514037U CN218514037U CN202221611758.5U CN202221611758U CN218514037U CN 218514037 U CN218514037 U CN 218514037U CN 202221611758 U CN202221611758 U CN 202221611758U CN 218514037 U CN218514037 U CN 218514037U
- Authority
- CN
- China
- Prior art keywords
- temperature
- cable
- phase
- box body
- box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Patch Boards (AREA)
Abstract
The utility model particularly relates to a medium voltage cable transfer box, which comprises a box body frame, a front door lock cover, a box body front door, a box body top cover, a box body outer wall, a temperature and humidity controller and a heater; a box top cover is welded at the top of the box frame, and the outer surface of the box frame is welded with the outer wall of the box; the front side of the box body frame is connected with a front door of the box body through a hinge; a front door lock cover is welded on the front door of the box body; the temperature and humidity controller and the heater are both arranged on the outer wall of the box body; the input end of the temperature and humidity controller is connected with an alternating current power supply, and the output end of the temperature and humidity controller is connected to the heater through a low-voltage cable; the start and stop of the heater are controlled by a temperature and humidity controller. The utility model discloses a medium voltage cable transfer box has humiture automatically regulated function, solves the corrosion problem that medium voltage cable transfer box internal component leads to because of the moisture gets into, extension equipment life.
Description
Technical Field
The utility model relates to a medium voltage cable switching technical field especially relates to a medium voltage cable transfer box.
Background
In a power engineering project in which a piezoelectric cable transmits power in a long distance in use, a medium-voltage cable transfer box is often used for transferring cables in order to realize a transfer function of the medium-voltage cable or meet the requirement of setting a maintenance node. Under the general condition, medium voltage cable transfer box installs outdoors, and in the actual motion in-process, the inside invasion that receives moisture of medium voltage cable transfer box easily can appear condensation phenomenon inside the box, leads to in-cabinet component and component corrosion, damage problem, especially the damage of cable joint and electrified display, and this problem is more severe in coastal, moist areas such as rainy, cable ground connection short circuit appears under the severe condition, influences electric power safety transmission. At present, the design that totally enclosed or be furnished with the ventilation hole is adopted to current middling pressure cable transfer box, does not have the configuration of the inside humiture of initiative regulation box, can't solve the inside corrosion problem that wets of the cabinet body at all.
SUMMERY OF THE UTILITY MODEL
Based on this, it is necessary to lead to the inside problem of the corrosion that wets of box to the unable inside humiture of adjusting the box to current middling pressure cable transfer box, provides a middling pressure cable transfer box, and this middling pressure cable transfer box has humiture automatically regulated function, solves the corrosion problem that middling pressure cable transfer box internal member leads to because of moisture gets into, extension equipment life.
In order to achieve the above object, the present invention provides the following technical solutions:
a medium-voltage cable transfer box comprises a box body frame, a front door lock cover, a box body front door, a box body top cover, a box body outer wall, a temperature and humidity controller and a heater; a box top cover is welded to the top of the box frame, and the outer surface of the box frame is welded to the outer wall of the box; the front side of the box body frame is connected with a front door of the box body through a hinge; a front door lock cover is welded on the front door of the box body; the temperature and humidity controller and the heater are both arranged on the outer wall of the box body; the input end of the temperature and humidity controller is connected with an alternating current power supply, and the output end of the temperature and humidity controller is connected to the heater through a low-voltage cable; the start and stop of the heater are controlled by a temperature and humidity controller.
Further, the temperature and humidity controller can set a starting value and a return value, when the ambient temperature is lower than the temperature starting value set by the temperature and humidity controller or the ambient humidity is higher than the humidity starting value set by the temperature and humidity controller, the output end of the temperature and humidity controller provides power for the heater, and the heater starts a heating function; when the ambient temperature is higher than the temperature return value set by the temperature and humidity controller or the ambient humidity is lower than the humidity return value set by the temperature and humidity controller, the output end of the temperature and humidity controller stops providing power for the heater, and the heater stops heating.
Furthermore, the medium-voltage cable transfer box also comprises a lifting lug; and a box body lifting lug is welded on the box body top cover.
Furthermore, the medium-voltage cable transfer box further comprises a live display peep window, a bus copper bar, a supporting insulator, a capacitive voltage divider, a live display, an outgoing cable and an incoming cable; a live display peep window is arranged on the front door of the box body, and the live display is arranged at the live display peep window; the upper end of the capacitive voltage divider is connected with the top cover of the box body through a bolt, and the lower end of the capacitive voltage divider is connected with the bus copper bar through a bolt; the upper end of the supporting insulator is connected with the top cover of the box body through a bolt, and the lower end of the supporting insulator is connected with the bus copper bar through a bolt; the incoming cable and the outgoing cable are respectively connected with the bus copper bar through bolts; be equipped with the pilot lamp on the electrified display, the generating line copper bar pass through capacitive voltage divider after the partial pressure to electrified display input voltage, whether the indicating lamp through electrified display lights the condition of going out and shows the generating line copper bar and be in charged state.
Furthermore, the incoming cable is plugged through the incoming cable plugging component, and the outgoing cable is plugged through the outgoing cable plugging component.
Furthermore, the supporting insulators comprise a phase A supporting insulator, a phase B supporting insulator and a phase C supporting insulator which are transversely arranged in parallel, the capacitive voltage divider comprises a phase A capacitive voltage divider, a phase B capacitive voltage divider and a phase C capacitive voltage divider which are transversely arranged in parallel, and the bus copper bar comprises a phase A bus copper bar, a phase B bus copper bar and a phase C bus copper bar which are transversely arranged in parallel; the phase A bus copper bar is connected with an incoming cable and an outgoing cable and is connected with the input end of a phase A capacitance voltage divider, the output end of the phase A capacitance voltage divider is connected with the input end of a charged display, and whether the phase A incoming cable of the bus copper bar is in a charged state or not is displayed by displaying the on-off condition of an indicator lamp through charging; the B-phase bus copper bar is connected with the incoming cable and the outgoing cable and is connected with the input end of a B-phase capacitance voltage divider, the output end of the B-phase capacitance voltage divider is connected with the input end of a charged display, and whether the B-phase incoming cable of the bus copper bar is in a charged state or not is displayed through the on-off condition of a charged display indicator lamp; the C-phase bus copper bar is connected with the incoming cable and the outgoing cable and is connected with the input end of the C-phase capacitance voltage divider, the output end of the C-phase capacitance voltage divider is connected with the input end of the electrified display, and whether the C-phase incoming cable of the bus copper bar is in an electrified state or not is displayed through the on-off condition of the electrified display indicator lamp.
Further, the temperature and humidity controller and the installation position meet the electrical safety distance.
Furthermore, the temperature and humidity controller is externally connected with a V alternating current power supply.
The utility model has the advantages of:
the utility model discloses a medium voltage cable transfer box has humiture automatically regulated function, has had more than 2 years of operation at the scene, and maintainer does not discover the condensation phenomenon at the in-process of patrolling and examining, and the box is inside to keep dry state, does not see the corrosion phenomenon, and equipment operation is reliable, effectively prolongs the life of equipment.
Drawings
Fig. 1 is a front view of a medium voltage cable transfer box of the present invention;
fig. 2 is a left sectional view of the medium voltage cable transfer box of the present invention;
fig. 3 is a right sectional view of the medium voltage cable transfer box of the present invention;
FIG. 4 is a schematic diagram of a heater controlled by a temperature and humidity controller;
fig. 5 is a schematic diagram of a charged display.
In the figure, 1, a box frame; 2. a front door lock cover; 3. a front door of the box body; 4. a top cover of the box body; 5. the outer wall of the box body; 6. a charged display peep window; 7. a box body lifting lug; 8. an in-out cable plugging assembly; 9. a temperature and humidity controller; 10. a bus copper bar; 11. a support insulator; 12. an incoming cable plugging component; 13. a heater; 14. a capacitive voltage divider; 15. a charged display; 16. an outgoing cable; 17. and (6) leading in a cable.
Detailed Description
In the description of the present invention, it should be understood that the terms "left end", "right end", "above", "below", "outside", "inside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Example 1
Referring to fig. 1-5, the utility model provides a medium voltage cable transfer box, including box frame 1, qianmen locking closure 2, box qianmen 3, box top cap 4, box outer wall 5, electrified display peep window 6, box lug 7, business turn over line cable shutoff subassembly 8, atmospheric control ware 9, generating line copper bar 10, support insulator 11, incoming line cable shutoff subassembly 12, heater 13, capacitive voltage divider 14, electrified display 15, outgoing line cable 16 and incoming line cable 17.
A box top cover 4 is welded to the top of the box frame 1, and a box outer wall 5 is welded to the outer surface of the box frame 1; the front side of the box body frame 1 is connected with a box body front door 3 through a hinge, so that the box body front door 3 can be normally opened and closed; the box front door 3 realizes the locking function of the cabinet door through the front door lock cover 2 and the box frame 1; a box body lifting lug 7 is welded on the box body top cover 4, so that the box body lifting operation requirement is met; an electrified display peep window 6 is arranged at the left upper part of the front door 3 of the box body, and the electrified display 15 is arranged in the electrified display peep window 6; the upper end of the capacitive voltage divider 14 is connected with the box body top cover 4 through a bolt, and the lower end of the capacitive voltage divider 14 is connected with the bus copper bar 10 through a bolt; the upper end of the supporting insulator 11 is connected with the box body top cover 4 through a bolt, the lower end of the supporting insulator 11 is connected with the bus copper bar 10 through a bolt, and the bus copper bar 10 is fixedly supported.
The incoming cable 17 and the outgoing cable 16 are respectively connected with the bus copper bar 10 through bolts, the incoming cable 17 is blocked through the incoming cable blocking component 12, and the outgoing cable 16 is blocked through the outgoing cable blocking component 8; be equipped with the pilot lamp on the electrified display 15, bus copper bar 10 through 14 partial pressures of capacitive voltage divider to electrified display 15 input voltage, whether the indicator lamp through electrified display lights out the condition and shows bus copper bar 10 and be in charged state.
The temperature and humidity controller 9 and the heater 13 are both arranged on the outer wall 5 of the box body; the input end of the temperature and humidity controller 9 is connected with an alternating current power supply, and the output end of the temperature and humidity controller 9 is connected to the heater 13 through a low-voltage cable; the start and stop of the heater 13 are controlled by the temperature and humidity controller 9.
The temperature and humidity controller 9 can set a starting value and a return value, when the ambient temperature is lower than the temperature starting value set by the temperature and humidity controller 9 or the ambient humidity is higher than the humidity starting value set by the temperature and humidity controller 9, the output end of the temperature and humidity controller 9 provides power for the heater 13, and the heater 13 starts a heating function; when the ambient temperature is higher than the temperature return value set by the temperature and humidity controller 9 or the ambient humidity is lower than the humidity return value set by the temperature and humidity controller 9, the output end of the temperature and humidity controller 9 stops providing power for the heater 13, the heater 13 stops heating, and the inside of the box body is ensured to be in a dry state.
The supporting insulator 11 comprises an A-phase supporting insulator, a B-phase supporting insulator and a C-phase supporting insulator which are transversely arranged in parallel, the capacitive voltage divider 14 comprises an A-phase capacitive voltage divider, a B-phase capacitive voltage divider and a C-phase capacitive voltage divider which are transversely arranged in parallel, and the bus copper bar 10 comprises an A-phase bus copper bar, a B-phase bus copper bar and a C-phase bus copper bar which are transversely arranged in parallel; the phase A bus copper bar is connected with an incoming cable 17 and an outgoing cable 16 and is connected with the input end of a phase A capacitor voltage divider, the output end of the phase A capacitor voltage divider is connected with the input end of a charged display, and whether the phase A incoming cable of the bus copper bar 10 is in a charged state or not is displayed through the on-off condition of a charged display indicator lamp; the B-phase bus copper bar is connected with an incoming cable 17 and an outgoing cable 16 and is connected with the input end of a B-phase capacitance voltage divider, the output end of the B-phase capacitance voltage divider is connected with the input end of a charged display, and whether the B-phase incoming cable of the bus copper bar 10 is in a charged state or not is displayed through the on-off condition of a charged display indicator lamp; the C-phase bus copper bar is connected with the incoming cable 17 and the outgoing cable 16 and is connected with the input end of the C-phase capacitor voltage divider, the output end of the C-phase capacitor voltage divider is connected with the input end of the electrified display, and whether the C-phase incoming cable of the bus copper bar 10 is in an electrified state or not is displayed through the on-off condition of the electrified display indicator lamp.
The temperature and humidity controllers 9 and 13 are arranged at positions which meet the requirements that the electrical safety distance is not less than 90mm in the voltage class of 6kV, and the safety distance is not less than 125mm in the voltage class of 10kV.
The temperature and humidity controller 9 is externally connected with a 220V alternating current power supply;
the box front door 3 realizes the locking function of the cabinet door through the front door lock cover 2 and the box frame 1;
and a box lifting lug 7 is welded on the box top cover 4, so that the box hoisting operation requirement is met.
When the medium-voltage cable transfer box is used, the method comprises the following steps:
1. the medium-voltage cable transfer box is lifted to a use place through the box body lifting lug 7 and fixed.
2. The busbar 10 is subjected to insulation and voltage withstand tests in order to check the insulation of the capacitive voltage divider 14 and the support insulator 11 and the functional integrity of the live display 15.
3. And the incoming cable 17 passes through the incoming cable plugging component 12 and is tightly connected with the bus copper bar 10 through a bolt.
4. And leading the outgoing cable 16 to pass through the outgoing cable plugging component 8 and be tightly connected with the bus copper bar 10 through a bolt.
5. The temperature and humidity controller 9 is connected to a 220V alternating current power supply.
6. And setting a starting value and a return value of the temperature and humidity controller 9 according to the environment condition of the medium-voltage cable transfer box.
7. The inside clean inspection that carries out of middling pressure cable transfer box ensures that middling pressure cable transfer box is inside to be free from foreign matter and leaves over.
8. And closing the front door 3 of the box body and locking, wherein the medium-voltage cable transfer box has the service conditions of power transmission and commissioning.
The utility model discloses a medium voltage cable transfer box has humiture automatically regulated function, solves the corrosion problem that medium voltage cable transfer box internal component leads to because of the moisture gets into, extension equipment life.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (8)
1. A medium-voltage cable transfer box is characterized by comprising a box body frame (1), a front door lock cover (2), a box body front door (3), a box body top cover (4), a box body outer wall (5), a temperature and humidity controller (9) and a heater (13); a box top cover (4) is welded at the top of the box frame (1), and a box outer wall (5) is welded on the outer surface of the box frame (1); the front side of the box body frame (1) is connected with a box body front door (3) through a hinge; a front door lock cover (2) is welded on the front door (3) of the box body; the temperature and humidity controller (9) and the heater (13) are both arranged on the outer wall (5) of the box body; the input end of the temperature and humidity controller (9) is connected with an alternating current power supply, and the output end of the temperature and humidity controller (9) is connected to the heater (13) through a low-voltage cable; the start and stop of the heater (13) are controlled by a temperature and humidity controller (9).
2. The medium-voltage cable junction box according to claim 1, wherein the temperature and humidity controller (9) can set a start value and a return value, when the ambient temperature is lower than the temperature start value set by the temperature and humidity controller (9) or the ambient humidity is higher than the humidity start value set by the temperature and humidity controller (9), the output end of the temperature and humidity controller (9) provides power for the heater (13), and the heater (13) starts a heating function; when the ambient temperature is higher than the temperature return value set by the temperature and humidity controller (9) or the ambient humidity is lower than the humidity return value set by the temperature and humidity controller (9), the output end of the temperature and humidity controller (9) stops supplying power to the heater (13), and the heater (13) stops heating.
3. The medium-voltage cable transfer box according to claim 1, further comprising a live display peep window (6), a bus bar copper bar (10), a support insulator (11), a capacitive voltage divider (14), a live display (15), an outgoing cable (16) and an incoming cable (17); an electrified display peep window (6) is arranged on the front door (3) of the box body, and the electrified display (15) is arranged at the electrified display peep window (6); the upper end of the capacitive voltage divider (14) is connected with the box body top cover (4) through a bolt, and the lower end of the capacitive voltage divider (14) is connected with the bus copper bar (10) through a bolt; the upper end of the supporting insulator (11) is connected with the box body top cover (4) through a bolt, and the lower end of the supporting insulator (11) is connected with the bus copper bar (10) through a bolt; the incoming cable (17) and the outgoing cable (16) are respectively connected with the bus copper bar (10) through bolts; be equipped with the pilot lamp on electrified display (15), bus copper bar (10) through capacitive voltage divider (14) partial pressure after electrified display (15) input voltage, the pilot lamp through electrified display lights the condition of going out and shows bus copper bar (10) whether be in charged state.
4. The medium voltage cable junction box according to claim 3, wherein the incoming cable (17) is plugged by an incoming cable plugging component (12) and the outgoing cable (16) is plugged by an outgoing cable plugging component (8).
5. The medium voltage cable transfer box according to claim 3, wherein the support insulator (11) comprises a phase A support insulator, a phase B support insulator and a phase C support insulator which are arranged in parallel in a transverse direction, the capacitive voltage divider (14) comprises a phase A capacitive voltage divider, a phase B capacitive voltage divider and a phase C capacitive voltage divider which are arranged in parallel in the transverse direction, and the busbar (10) comprises a phase A busbar copper bar, a phase B busbar copper bar and a phase C busbar copper bar which are arranged in parallel in the transverse direction; the A-phase bus copper bar is connected with an incoming cable (17) and an outgoing cable (16) and is connected with the input end of an A-phase capacitor voltage divider, the output end of the A-phase capacitor voltage divider is connected with the input end of a charged display, and whether the A-phase incoming cable of the bus copper bar (10) is in a charged state or not is displayed by displaying the on-off condition of an indicator lamp in a charged state; the B-phase bus copper bar is connected with an incoming cable (17) and an outgoing cable (16) and is connected with the input end of a B-phase capacitor voltage divider, the output end of the B-phase capacitor voltage divider is connected with the input end of a charged display, and whether the B-phase incoming cable of the bus copper bar (10) is in a charged state or not is displayed by displaying the on-off condition of an indicator lamp through charging; the C-phase bus copper bar is connected with the incoming cable (17) and the outgoing cable (16) and is connected with the input end of the C-phase capacitor voltage divider, the output end of the C-phase capacitor voltage divider is connected with the input end of the electrified display, and whether the C-phase incoming cable of the bus copper bar (10) is in an electrified state or not is displayed through the on-off condition of the electrified display indicator lamp.
6. Medium voltage cable junction box according to any of claims 1 to 5, characterized in that the temperature and humidity controller (9) and the heater (13) are installed at a position that satisfies an electrical safety distance.
7. The medium voltage cable transfer box according to any one of claims 1 to 5, wherein the temperature and humidity controller (9) is externally connected with a 220V alternating current power supply.
8. Medium voltage cable transition box according to any of claims 1 to 5, characterized in that it further comprises lifting lugs (7); and a box body lifting lug (7) is welded on the box body top cover (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221611758.5U CN218514037U (en) | 2022-06-24 | 2022-06-24 | Medium-voltage cable transfer box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221611758.5U CN218514037U (en) | 2022-06-24 | 2022-06-24 | Medium-voltage cable transfer box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218514037U true CN218514037U (en) | 2023-02-21 |
Family
ID=85205170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221611758.5U Active CN218514037U (en) | 2022-06-24 | 2022-06-24 | Medium-voltage cable transfer box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218514037U (en) |
-
2022
- 2022-06-24 CN CN202221611758.5U patent/CN218514037U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2019042093A1 (en) | Floor-standing isolating switch cabinet for contact system | |
| US20210210941A1 (en) | Load center | |
| CN104348107A (en) | All condition intelligent armored moving-type alternating current metal closed switch equipment | |
| CN218514037U (en) | Medium-voltage cable transfer box | |
| CN109980543A (en) | A kind of self-relieving KYN28A-12 high-tension switch cabinet | |
| CN108565754A (en) | A kind of box-type substation of intelligent monitoring | |
| CN207303687U (en) | A kind of contact net console mode isolating switch cabinet | |
| CN205509350U (en) | Novel intelligence high tension switchgear | |
| CN212182780U (en) | Automatically controlled cabinet information acquisition device | |
| CN204835223U (en) | High pressure sets of switches device | |
| CN209046115U (en) | A kind of combined type pole type transformer platform | |
| CN114883966A (en) | Integrated medium-voltage cabinet and vertical box transformer substation | |
| CN207039038U (en) | Miniature integrated transformer substation on a kind of post | |
| CN211629636U (en) | Box-type photovoltaic transformer substation | |
| CN109193434A (en) | A kind of combined type pole type transformer platform | |
| CN218334842U (en) | Outdoor looped netowrk cabinet with ventilation dehumidification function | |
| CN220874117U (en) | Resident power distribution high-voltage switch cabinet | |
| CN210640582U (en) | Waterproof dirt-proof high tension switchgear | |
| CN212412711U (en) | Novel intelligence bus duct jack box | |
| CN211908175U (en) | Inversion boosting device | |
| CN208385993U (en) | A kind of solid insulation intelligent vacuum ring network cabinet | |
| CN220273140U (en) | Outdoor switch station | |
| CN204216474U (en) | The intelligent armoured removable type alternating of a kind of full working scope | |
| CN213214409U (en) | Circulation control temperature control cabinet in granary | |
| CN201325346Y (en) | Electric railway box-type AT chamber |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |