CN213879064U - Ring main unit with cable joint temperature monitoring function - Google Patents
Ring main unit with cable joint temperature monitoring function Download PDFInfo
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- CN213879064U CN213879064U CN202022755567.3U CN202022755567U CN213879064U CN 213879064 U CN213879064 U CN 213879064U CN 202022755567 U CN202022755567 U CN 202022755567U CN 213879064 U CN213879064 U CN 213879064U
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Abstract
The utility model relates to a ring main unit with cable joint temperature monitoring, which solves the problems of the prior art and has the technical proposal that a switch interval is positioned at the inner side of a cabinet body and is an air chamber filled with sulfur hexafluoride as an insulating medium, a bus interval is positioned above the switch interval, buses extend on the same horizontal plane in the bus interval, the cable interval is positioned at the inner side of the cabinet body, the cable interval is positioned below the switch interval, a plurality of cable joints for cable connection are arranged in the cable interval, a voltage transformer and/or a current transformer and a fuse are arranged on the cable, a joint temperature sensor is arranged at the cable joint, an operating mechanism interval is positioned at the front of the cabinet body, an operating mechanism for operating a grounding switch and a disconnecting switch is arranged in the operating mechanism interval, a control protection interval is positioned at the top of the cabinet body, and a low-voltage control protection device is arranged in the control protection interval, and the joint temperature sensor is electrically connected with the low-voltage control protection device.
Description
Technical Field
The utility model belongs to a regulator cubicle relates to a looped netowrk cabinet with cable joint temperature monitoring.
Background
The Ring Main Unit (Ring Main Unit) is a group of electric equipment (high-voltage switch equipment) which is arranged in a metal or nonmetal insulating cabinet body or is made into an assembled interval Ring Main power supply Unit, and the core part of the Ring Main Unit adopts a load switch and a fuse, so that the Ring Main Unit has the advantages of simple structure, small volume, low price, capability of improving power supply parameters and performance, power supply safety and the like. The transformer substation is widely applied to distribution stations and box-type substations of load centers of urban residential districts, high-rise buildings, large public buildings, factory enterprises and the like.
For example, chinese patent No. CN201721814449.7 discloses a dust-proof ring main unit, which includes a ring main unit main body, wherein a ring main unit main cover is fixedly disposed at the top end of the ring main unit main body by welding, a ring main unit side door is disposed on the surface of the ring main unit main body, filter protection net placement grooves are disposed at two ends of the filter protection net, and the filter protection net placement grooves are fixedly connected by a groove clamp; the utility model discloses the filtration protection network of well design can be at looped netowrk cabinet during operation, carries out effectual blockking with the dust in the air, prevents that it from getting into the inside in scattered wind gap, and here utility model discloses the fixed mounting panel of well design can pull out the connection when the required mounting area is great when the installation, and the great reduction of limitation, the rotation axis connection of this design place the recess when connecting for the rotation axis can not be outstanding on the surface of looped netowrk cabinet, and more pleasing to the eye is got up in the installation, and can not take place to become flexible when long-term the use. But such techniques suffer from the problem of inadequate temperature detection at the cable joint.
SUMMERY OF THE UTILITY MODEL
The utility model provides a there is cable joint department temperature detection problem not in place, have certain potential safety hazard in prior art, provide a looped netowrk cabinet with cable joint temperature monitoring.
The utility model provides a technical scheme that its technical problem adopted is: a ring main unit with cable joint temperature monitoring comprises a cabinet body, wherein a switch interval, a bus interval, a wiring interval, an operating mechanism interval and a control protection interval which are mutually insulated are arranged on the cabinet body, the switch interval is positioned on the inner side of the cabinet body and is an air chamber filled with sulfur hexafluoride as an insulating medium, a grounding switch and/or an isolating switch is arranged in the switch interval, the bus interval is positioned on the inner side of the cabinet body and is positioned above the switch interval, the bus extends on the same horizontal plane in the bus interval, the cable interval is positioned on the inner side of the cabinet body and is positioned below the switch interval, a plurality of cable joints for cable connection are arranged in the cable interval, a voltage transformer and/or a current transformer and a fuse are arranged on the cable, and a joint temperature sensor is arranged at the cable joint, the operating mechanism is arranged on the front side of the cabinet body at intervals, the operating mechanism for controlling the grounding switch and the isolating switch is arranged in the operating mechanism at intervals, the control protection interval is arranged at the top of the cabinet body, a low-voltage control protection device is arranged in the control protection interval, and the joint temperature sensor is electrically connected with the low-voltage control protection device; connect temperature sensor to include the casing of platelike complete encapsulation, the anterior segment of casing is ring joint circle, the back end of casing is the extension board, the front side opening of ring joint circle divide into two overlap joint portions, the overlap joint about the overlap joint portion, the rear side of ring joint circle is opened and is equipped with the detection groove, it is equipped with the thermistor that is used for with the cable joint butt to detect the inslot intussuseption, it is equipped with the epoxy isolation layer to detect to fill in the gap between groove and the thermistor, the thermistor connecting wire stretches out from the tank bottom that detects the groove and is connected with the connection port electricity on plate-shaped casing surface after plate-shaped casing passes. The utility model discloses add the temperature sensor of cable joint portion on the basis of general looped netowrk cabinet, given this temperature sensor's concrete structure simultaneously, this structure can adapt to the inner structure of the cabinet body, and cable joint's cooperation is comparatively perfect.
Preferably, two of the overlapping parts are both overlapping parts with semicircular end parts, and the right overlapping part of the two overlapping parts is positioned above the left overlapping part.
Preferably, each cable joint in the cabinet body is provided with a joint temperature sensor, and a ring clamping ring in the joint temperature sensor is clamped at the cap body of the cable joint. The ring clamping ring is clamped at the cap body of the cable joint, the structure is simple and convenient to realize, and the clamping is firm. The utility model discloses well thermistor's output needs to be exported temperature signal through the detection circuitry including AD converting circuit, and temperature signal exports after latching through the latch.
Preferably, the extension plate is provided with a wiring groove on the upper surface of the extension plate for placing a thermistor connecting wire, the extension plate is configured with a sleeving plate corresponding to the rear section position, the sleeving plate is C-shaped, the sleeving plate is provided with a connecting contact corresponding to a connecting port on the shell, the connecting contact is abutted to the connecting port, and the lower surface of the sleeving plate is flush with and abutted to the upper surface of the extension plate. The utility model discloses used the design of cup jointing the board, can make the cover joint board and extension board will walk the line fixed, can extend port and contact simultaneously, further, be provided with a plurality of reference column on the cover joint board, and be provided with the locating hole that a plurality of corresponds on the extension board, through the setting of reference column and locating hole, the cover joint board is connected with the extension board.
Preferably, a data display screen is arranged in the operating mechanism interval, the input end of the data display screen is electrically connected with the low-voltage control protection device, a plurality of observation holes are formed in the front face of the cabinet body, and the positions of the observation holes are aligned with the switch interval.
The utility model discloses a substantive effect is: the utility model discloses add the temperature sensor of cable joint portion on the basis of general looped netowrk cabinet, given this temperature sensor's concrete structure simultaneously, this structure can adapt to the inner structure of the cabinet body, and cable joint's cooperation is comparatively perfect.
Drawings
Fig. 1 is a schematic view of the overall arrangement of the present invention;
FIG. 2 is a schematic view of a connection arrangement of the middle joint temperature sensor of the present invention;
fig. 3 is a schematic structural diagram of the middle joint temperature sensor of the present invention;
in the figure: 1. switch interval, 2, generating line interval, 3, wiring interval, 4, control protection interval, 5, operating device interval, 6, joint temperature sensor, 7, overlap joint portion, 8, epoxy isolation layer, 9, thermistor, 10, connection port, 11, locating hole, 12, cup joint board, 13, reference column, 14, connection contact.
Detailed Description
The technical solution of the present invention is further specifically described below by way of specific examples.
Example 1:
a ring main unit with cable joint temperature monitoring (see attached figures 1, 2 and 3) comprises a cabinet body, wherein a switch interval 1, a bus interval 2, a wiring interval 3, an operating mechanism interval 5 and a control protection interval 4 which are insulated from each other are arranged on the cabinet body, the switch interval is positioned on the inner side of the cabinet body and is an air chamber filled with sulfur hexafluoride as an insulating medium, a grounding switch and/or an isolating switch are arranged in the switch interval, the bus interval is positioned on the inner side of the cabinet body and is positioned above the switch interval, the buses extend on the same horizontal plane in the bus interval, the cable interval is positioned on the inner side of the cabinet body and is positioned below the switch interval, a plurality of cable joints for cable connection are arranged in the cable interval, and a voltage transformer and/or a current transformer are mounted on each cable, The cable joint is provided with a joint temperature sensor 6, the operating mechanism is arranged on the front face of the cabinet body at intervals, the operating mechanism for controlling the grounding switch and the disconnecting switch is arranged in the operating mechanism at intervals, the control protection interval is arranged at the top of the cabinet body, the control protection interval is internally provided with a low-voltage control protection device, and the joint temperature sensor outputs signals to the low-voltage control protection device; connect temperature sensor to include the casing of platelike complete encapsulation, the anterior segment of casing is ring joint circle, the back end of casing is the extension board, the front side opening of ring joint circle divide into two overlap joint portions 7, the overlap joint about the overlap joint portion, the rear side of ring joint circle is opened and is equipped with the detection groove, it is equipped with the thermistor 9 that is used for with the cable joint butt to detect the inslot intussuseption, it is equipped with epoxy isolation layer 8 to detect to fill in the gap between groove and the thermistor, the thermistor connecting wire stretches out from the tank bottom that detects the groove and is connected with plate casing surface's connection port 10 electricity after plate casing walks. In this embodiment, two overlap joint portion be the tip for semicircular overlap joint portion, the right side overlap joint portion is located the top of left side overlap joint portion in two overlap joint portions. Every cable joint in the cabinet body all disposes a joint temperature sensor, and the ring joint clamping ring joint in the joint temperature sensor is in cable joint's cap body department. The ring clamping ring is clamped at the cap body of the cable joint, the structure is simple and convenient to realize, and the clamping is firm. The wiring groove has been seted up at the upper surface of extension board to the extension board for placing the thermistor connecting wire, corresponds back end position extension board and disposes a cover fishplate bar, the cover fishplate bar is the C font, and the connection port that the cover fishplate bar corresponds on the casing is provided with connection contact 14, connect the contact point with the connection port butt, the lower surface of cover fishplate bar and the upper surface parallel and level and the butt of extension board. The utility model discloses used the design of cup jointing board 12, can make the socket jointing board and extension board will walk the line fixed, can extend port and contact simultaneously, further, be provided with a plurality of reference column 13 on the socket jointing board, and be provided with the locating hole 11 that a plurality of corresponds on the extension board, through the setting of reference column and locating hole, the socket jointing board is connected with the extension board. Dispose the data display screen in the operating device interval, the input and the low pressure control protection device electricity of data display screen are connected, a plurality of observation hole has been seted up in the front of the cabinet body, the position alignment switch interval in observation hole. In this embodiment, the output of the thermistor needs to output a temperature signal through a detection circuit including an AD conversion circuit, and the temperature signal is latched by a latch and then output.
This embodiment has add the temperature sensor of cable joint portion on the basis of general looped netowrk cabinet, has given this temperature sensor's concrete structure simultaneously, and this structure can adapt to the inner structure of the cabinet body, and cable joint's cooperation is comparatively perfect.
The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the scope of the claims.
Claims (5)
1. The utility model provides a looped netowrk cabinet with cable joint temperature monitoring which characterized in that: the intelligent cabinet comprises a cabinet body, wherein a switch interval, a bus interval, a wiring interval, an operating mechanism interval and a control protection interval which are mutually insulated are arranged on the cabinet body, the switch interval is positioned at the inner side of the cabinet body and is an air chamber filled with sulfur hexafluoride as an insulating medium, a grounding switch and/or an isolating switch are arranged in the switch interval, the bus interval is positioned at the inner side of the cabinet body and is positioned above the switch interval, the bus extends on the same horizontal plane in the bus interval, the wiring interval is positioned at the inner side of the cabinet body and is positioned below the switch interval, a plurality of cable joints for cable connection are arranged in the wiring interval, a voltage transformer and/or a current transformer and a fuse are arranged on a cable, a joint temperature sensor is arranged at the cable joint, and the operating mechanism interval is positioned at the front of the cabinet body, an operating mechanism for controlling the grounding switch and the isolating switch is arranged in the operating mechanism interval, the control protection interval is positioned at the top of the cabinet body, a low-voltage control protection device is arranged in the control protection interval, and the joint temperature sensor is electrically connected with the low-voltage control protection device; connect temperature sensor to include the casing of platelike complete encapsulation, the anterior segment of casing is ring joint circle, the back end of casing is the extension board, the front side opening of ring joint circle divide into two overlap joint portions, the overlap joint about the overlap joint portion, the rear side of ring joint circle is opened and is equipped with the detection groove, it is equipped with the thermistor that is used for with the cable joint butt to detect the inslot intussuseption, it is equipped with the epoxy isolation layer to detect to fill in the gap between groove and the thermistor, the thermistor connecting wire stretches out from the tank bottom that detects the groove and is connected with the connection port electricity on plate-shaped casing surface after plate-shaped casing passes.
2. The ring main unit with cable joint temperature monitoring of claim 1, wherein: two the overlap joint portion be the tip and be semicircular overlap joint portion, the right side overlap joint portion is located the top of left side overlap joint portion in two overlap joint portions.
3. The ring main unit with cable joint temperature monitoring of claim 2, wherein: every cable joint in the cabinet body all disposes a joint temperature sensor, and the ring joint clamping ring joint in the joint temperature sensor is in cable joint's cap body department.
4. The ring main unit with cable joint temperature monitoring of claim 3, wherein: the wiring groove has been seted up at the upper surface of extension board to the extension board for placing the thermistor connecting wire, corresponds back end position extension board and disposes a cover fishplate bar, the cover fishplate bar is the C font, and the connection port that the cover fishplate bar corresponds on the casing is provided with the connection contact, connect the contact point with the connection port butt, the lower surface of cover fishplate bar and the upper surface parallel and level and the butt of extension board.
5. The ring main unit with cable joint temperature monitoring of claim 4, wherein: dispose the data display screen in the operating device interval, the input and the low pressure control protection device electricity of data display screen are connected, a plurality of observation hole has been seted up in the front of the cabinet body, the position alignment switch interval in observation hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022755567.3U CN213879064U (en) | 2020-11-25 | 2020-11-25 | Ring main unit with cable joint temperature monitoring function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022755567.3U CN213879064U (en) | 2020-11-25 | 2020-11-25 | Ring main unit with cable joint temperature monitoring function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213879064U true CN213879064U (en) | 2021-08-03 |
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ID=77038909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022755567.3U Active CN213879064U (en) | 2020-11-25 | 2020-11-25 | Ring main unit with cable joint temperature monitoring function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213879064U (en) |
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2020
- 2020-11-25 CN CN202022755567.3U patent/CN213879064U/en active Active
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