CN220254090U

CN220254090U - Bus duct connector and bus duct device

Info

Publication number: CN220254090U
Application number: CN202321845808.0U
Authority: CN
Inventors: 孙爱勤
Original assignee: Shanghai Guangheli Enterprise Consulting Management Partnership LP; Shanghai Zhenda Complete Sets Of Electrical Co ltd
Current assignee: Shanghai Guangheli Enterprise Consulting Management Partnership LP; Shanghai Zhenda Complete Sets Of Electrical Co ltd
Priority date: 2023-07-13
Filing date: 2023-07-13
Publication date: 2023-12-26
Anticipated expiration: 2033-07-13

Abstract

The application discloses a bus duct device and a bus duct connector, and relates to the technical field of power transmission and distribution equipment; the bus duct connectors are connected between adjacent bus ducts, each bus duct connector comprises a connector main body and a connector cover plate, each adjacent bus duct is inserted into the corresponding connector main body and is communicated with the corresponding connector main body, and the corresponding connector cover plate is connected with each bus duct; the connector main body comprises an insulating partition board, a temperature sensor for detecting the temperature of the bus duct is arranged on the insulating partition board, a temperature display in signal connection with the temperature sensor is arranged on the connector cover plate, and the temperature display is used for displaying the temperature detected by the temperature sensor. Above-mentioned bus duct connector can carry out visual monitoring to the temperature of bus duct after with the bus duct installation, need not to change the mounting process of bus duct connector and bus duct, has simple and practical, characteristics that the commonality is strong.

Description

Bus duct connector and bus duct device

Technical Field

The application relates to the technical field of power transmission and distribution equipment, in particular to a bus duct connector. And to a busway apparatus including a busway connector.

Background

The bus duct is as a novel distribution device, can replace the cable to satisfy high-capacity, modular transmission demand, and adjacent bus duct needs to use the bus duct connector when connecting for general bus duct connector is through the screw that rotates its surface for locking between screw and the nut, and then with bus duct connection fastening.

The bus duct device needs to safely run at rated temperature, and one mode in the current market is to add a bus duct temperature detection device on the bus duct device, and the bus duct device is further installed on the basis of the bus duct device, so that the problems of high cost and complicated arrangement exist; yet another way is to use a temperature label to display and identify the temperature, but the temperature label is irreversible and is a disposable product; meanwhile, the temperature label has limited display capability, cannot be recognized remotely, and is easily invisible at a dark position or after dust falls on the temperature label. Therefore, the bus duct device has poor temperature monitoring effect and low operation safety.

Disclosure of Invention

The utility model aims at providing a bus duct connector can carry out visual monitoring to the temperature of bus duct after installing with the bus duct, need not to change the mounting process of bus duct connector and bus duct, has simple and practical, characteristics that the commonality is strong. It is another object of the present application to provide a busway apparatus that includes a busway connector.

In order to achieve the above object, the present application provides a bus duct connector connected between adjacent bus ducts, the bus duct connector including a connector body into which adjacent bus ducts are inserted and conducted, and a connector cover connected with the bus ducts; the connector main body comprises an insulating partition board, a temperature sensor for detecting the temperature of the bus duct is arranged on the insulating partition board, a temperature display in signal connection with the temperature sensor is arranged on the connector cover plate, and the temperature display is used for displaying the temperature detected by the temperature sensor.

In some embodiments, the temperature display includes a first indicator light for emitting light when the temperature detected by the temperature sensor is below a first preset value, a second indicator light for emitting light when the temperature detected by the temperature sensor is between the first preset value and a second preset value, and a third indicator light for emitting light when the temperature detected by the temperature sensor is above the second preset value.

In some embodiments, the temperature display further comprises a buzzer alarm.

In some embodiments, the temperature sensor is a thermocouple having two thermocouple temperature measurement points on the insulating partition.

In some embodiments, a temperature measuring point wiring hole is formed in one side edge of the insulating partition board, a connecting wire is arranged in the temperature measuring point wiring hole in a penetrating mode, and the temperature sensor is connected with the temperature display through the connecting wire.

In some embodiments, the temperature sensor is disposed at a position: the temperature detected by the temperature sensor is as follows: and the A phase temperature of the bus duct and/or the B phase temperature of the bus duct and/or the C phase temperature of the bus duct.

In some embodiments, a clip is provided on the temperature display for changing the mounting position of the temperature display.

The utility model also provides a bus duct device, including bus duct and above-mentioned bus duct connector, the bus duct is passed through the bus duct connector switches on.

Compared with the background art, the bus duct connector is connected between adjacent bus ducts, the bus duct connector comprises a connector main body and a connector cover plate, the adjacent bus ducts are inserted into the connector main body and are communicated, and the connector cover plate is connected with the bus ducts; the connector main body comprises an insulating partition board, a temperature sensor for detecting the temperature of the bus duct is arranged on the insulating partition board, a temperature display connected with the temperature sensor in a signal mode is arranged on the connector cover plate, and the temperature display is used for displaying the temperature detected by the temperature sensor.

The bus duct connector can visually monitor the temperature of the bus duct after being installed with the bus duct, does not need to change the installation process of the bus duct connector and the bus duct, and has the characteristics of simplicity, practicability and strong universality.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present application, and that other drawings may be obtained according to the provided drawings without inventive effort to a person skilled in the art.

Fig. 1 is a schematic diagram illustrating a disassembly of a bus duct device according to an embodiment of the present disclosure;

fig. 2 is a schematic structural view of a bus duct device provided in an embodiment of the present application with a connector cover plate removed;

fig. 3 is a schematic structural diagram of an insulating separator according to an embodiment of the present disclosure;

fig. 4 is a schematic structural view of an insulating spacer and a connecting sheet according to an embodiment of the present application.

Wherein:

11-bus duct connector, 12-bus duct, 111-connector body, 112-connector cover plate, 113-temperature sensor, 114-temperature display, 1111-insulating partition, 1112-connecting piece, 1131-first thermocouple temperature measuring point, 1132-second thermocouple temperature measuring point, 1141-first indicator lamp, 1142-second indicator lamp, 1143-third indicator lamp, 11111-temperature measuring point wiring hole.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

In order to better understand the aspects of the present application, a further detailed description of the present application will be provided below with reference to the accompanying drawings and detailed description.

The bus duct is an important branch of power transmission and distribution equipment, is power transmission equipment for realizing high capacity and modularization by replacing cables, has irreplaceable characteristics in terms of transmission capacity, short-time tolerance capacity, later expansibility and product updating and maintenance, but is insufficient in terms of operation management, installation quality detection and the like along with the vigorous popularization of the bus duct, so that short-circuit explosion happens in the bus duct after operation for several years or even in the early stage, the main reason is that the bus duct is in overload operation, the connector is in place due to the fact that the temperature of the connector is higher, insulation aging is broken down alternately, and short-circuit explosion happens; the safe operation of the bus duct system mainly ensures that the product is not corroded by conductive fluid and the product is protected from operating at rated temperature, and the most important concentrated point of the bus duct operation heating part is a connecting part-connector, so that the safe operation of the bus duct can be ensured by monitoring the temperature in the connector. In the current market, the bus duct monitoring module is implemented by a manufacturer, and is difficult to implement due to the conditions of high manufacturing cost, complicated arrangement and the like, and the manufacturer adopts a temperature display tag area for identification, but the temperature tag is irreversible and a disposable product is produced; also, the tag is invisible in a dark place or cannot be recognized remotely after dust falls on the tag.

In order to solve the technical problem, the application provides a bus duct connector, and the universality is strong, has a temperature detection display function, and is a necessary guarantee for solving the problem of low-cost safe operation of the bus duct. Meanwhile, the bus duct connector can be installed along with the bus duct, professional personnel are not required to install and debug, and installation and maintenance costs are reduced.

Please refer to fig. 1 to fig. 4, wherein fig. 1 is a schematic diagram of a disassembly of a bus duct device provided in an embodiment of the present application, fig. 2 is a schematic diagram of a structure of the bus duct device provided in an embodiment of the present application with a connector cover removed, fig. 3 is a schematic diagram of a structure of an insulating partition provided in an embodiment of the present application, and fig. 4 is a schematic diagram of a structure of an insulating partition and a connecting piece provided in an embodiment of the present application.

As shown in fig. 1, the bus duct connector 11 is connected between adjacent bus ducts 12, and the bus duct connector 11 functions to connect and conduct the adjacent bus ducts 12.

The bus duct connector 11 includes a connector body 111 and a connector cover plate 112.

Adjacent bus ducts 12 are inserted into the connector body 111 and are conducted, and the connector body 111 plays a role of conducting the bus duct 12, and this part of conduction belongs to the prior art and is not described here again. The connector cover 112 is connected to the bus duct 12, where the connector cover 112 is located on the outer side of the connector body 111, the connector cover 112 serves to cover the connector body 111, and a sealing structure should be formed between the connector cover 112, the connector body 111 and the bus duct 12, and this sealing part belongs to the prior art and is not described herein.

As shown in fig. 2, the connector body 111 includes insulating spacers 1111 with spaces left between the plurality of insulating spacers 1111, through which the bus duct 12 is inserted; the insulating partition 1111 is provided with a temperature sensor 113, and the temperature sensor 113 is used to detect the temperature of the bus duct 12. As shown in fig. 1, a temperature display 114 is disposed on the connector cover 112, the temperature display 114 is in signal connection with the temperature sensor 113, and the temperature display 114 is used for displaying the temperature detected by the temperature sensor 113.

It should be noted that, the temperature display 114 can display the temperature, but the display mode of the temperature is not limited to the only one, and may be, for example, numerical display of a numerical value corresponding to the temperature in real time, or signal display of a condition corresponding to the temperature in real time, which falls within the scope of the present embodiment.

In this embodiment, the temperature sensor 113 and the temperature display 114 are integrated on the bus duct connector 11, so that the bus duct connector 11 has the functions of detecting and displaying the temperature, and the bus duct connector 11 can be used as a product with the functions of temperature monitoring and displaying. Based on this, can carry out visual monitoring to the temperature of bus duct 12 after bus duct connector 11 and bus duct 12 are installed, need not to change the mounting process of bus duct connector 11 and bus duct 12, have simple and practical, the strong characteristics of commonality.

In a specific embodiment, in the structure of the bus duct connector 11, connection pieces 1112 are arranged between the insulating spacers 1111, the connection pieces 1112 are copper bars with customized shapes, and the bus duct connector 11 connector body 111 is formed by combining the insulating spacers 1111 formed by punching, shearing and compression molding with other accessories (including accessories such as bolts, nuts and the like). When the bus bar of the bus duct 12 is inserted into the bus duct connector 11 during use, the two ends of the connecting sheet 1112 are in contact with the bus duct 12 at the corresponding end sides, the connecting sheet 1112 plays a role of conducting the bus duct 12, and the temperature can be quickly conducted to each corner of the connecting sheet 1112 due to the fact that the contact resistance exists and can be increased when high current passes through, so that the temperature sensor 113 can accurately acquire the temperature at the moment, and the temperature of the bus duct 12 can be visually monitored, and the safety operation range is ensured.

In a specific embodiment, in the arrangement of the insulating partition 1111 and the temperature sensor 113, a temperature probe (temperature sensor 113) is embedded on the surface of the insulating partition 1111 to detect the temperature of the connector connection site, i.e., the temperature of the bus duct 12. The material of the insulating partition 1111 is DMC (unsaturated bulk molding compound), the manufacturing process is that DMC with proper weight is weighed and placed in an insulating partition mold, the mold is placed on a punch press, a heating device is arranged on the whole body of the mold, DMC is placed in the mold to close an upper mold and a lower mold, DMC is solidified and molded after a period of time, an insulating partition 1111 is formed, and grooves for placing connecting sheets 1112 are formed on two sides of the insulating partition 1111.

In some embodiments, the temperature display 114 includes a first indicator light 1141, a second indicator light 1142, and a third indicator light 1143, the first indicator light 1141 is configured to emit light when the temperature detected by the temperature sensor 113 is lower than a first preset value, the second indicator light 1142 is configured to emit light when the temperature detected by the temperature sensor 113 is between the first preset value and a second preset value, and the third indicator light 1143 is configured to emit light when the temperature detected by the temperature sensor 113 is higher than the second preset value.

In addition, the temperature display 114 is provided with a controller that can receive and process temperature information from the temperature sensor 113 and send a control command to the indicator lamp.

In this embodiment, the first preset value is set to 70 ℃, the second preset value is set to 80 ℃, and the third preset value is set to 90 ℃. When the bus duct 12 is fully loaded, the difference between the temperature of the internal conductor of the connector and the ambient temperature does not exceed the requirement of 70 ℃, a temperature threshold is set, normal operation is performed within 80 ℃, full-load operation is performed at 80-90 ℃, and overload operation is performed at more than 90 ℃. The first indicator light 1141, the second indicator light 1142 and the third indicator light 1143 are displayed in colors of green, orange and red, which are visually recognized by the inspector.

In some embodiments, the temperature display 114 also includes a buzzer alarm that alerts the inspector in the manner of a buzzer alarm.

Besides, a gradual change color band, an LED numerical display screen and the like can be adopted, 485 wired transmission or wireless transmission such as power carrier, LORA/MODBUS and the like can be provided, the 485 wired transmission can be realized by arranging a 485 transmission line on a shell in advance according to requirements when a bus duct leaves a factory, and after the installation of the band is completed, a jumper wire is used for connecting 485 lines of two sections of buses with a connector temperature measuring line.

Optionally, 485 wired transmission or wireless data collection such as power carrier, LORA/MODBUS and the like can be provided for automatic data collection, and the wireless data collection can be combined with the existing central integrated control system, so that the conditions of threshold setting, data summarization analysis and the like can be performed on an upper computer.

In some embodiments, temperature sensor 113 is a thermocouple having two thermocouple temperature points (first thermocouple temperature point 1131 and second thermocouple temperature point 1132 in fig. 3) on insulating barrier 1111.

In the embodiment, the temperature probe is preferably a K-type thermocouple, and has the characteristics of low cost and complete matched components; the thermocouple temperature measuring points are dissolved into a square shape through a flash welding process, the temperature measuring points are embedded on the groove surface of the insulating partition 1111 for installing the connecting sheet 1112, and the connecting wires are arranged on the upper end of the insulating partition 1111, and are connected with the temperature display 114 on the connector cover plate 112 after the connector main body 111 and the bus duct 12 are installed.

As shown in fig. 3, in some embodiments, a temperature measuring point wiring hole 11111 is formed at one side edge of the insulating partition 1111, and a connection wire is inserted into the temperature measuring point wiring hole 11111, and the temperature sensor 113 is connected to the temperature display 114 through the connection wire.

It should be noted that the temperature display 114 is not limited to the above-mentioned embodiments, and may be fixed by a fastener or a fastener, for example.

In some embodiments, a clip is provided on the temperature display 114 for changing the installation position of the temperature display 114, in which case the temperature display 114 can be moved in a small range; because the busway 12 is typically mounted in a remote location or in a location that is not easily viewable, the temperature display 114 can be mounted in any location that is directly opposite the convenient location for viewing using the clip.

In some embodiments, the temperature sensor 113 is disposed at a position: the temperature detected by the temperature sensor 113 is the following temperature, which is the insulating partition 1111 adjacent to the a phase of the bus duct 12 and/or the insulating partition 1111 adjacent to the B phase of the bus duct 12 and/or the insulating partition 1111 adjacent to the C phase of the bus duct 12: the a-phase temperature of the busway 12 and/or the B-phase temperature of the busway 12 and/or the C-phase temperature of the busway 12.

In this embodiment, the bus duct connector 11 can measure the temperature of any one of the a/B/C three phases of the bus duct 12 or both of them as required, and can be implemented by providing the temperature sensor 113 on the insulating partition 1111 at different positions.

Since the three-phase temperatures are not uniform when the three-phase loads of the bus duct 12 are unbalanced, the difference is not large, and only the B phase is detected from the economical point of view, that is, the temperature sensor 113 is provided only in the insulating partition 1111 adjacent to the B phase of the bus duct 12, and the local temperature is regarded as the temperature of the entire bus duct 12.

The application also provides a bus duct device, which comprises a bus duct 12 and the bus duct connector 11, wherein the bus duct 12 is communicated through the bus duct connector 11.

The busway device should have all the benefits of the busway connector 11 described above. By arranging the temperature sensor 113 and the temperature display 114 on the bus duct connector 11, the general configuration is simple, practical and low in cost, the universality is strong, and the current product does not need to be changed; by pre-embedding the temperature sensor 113 on the insulating partition 1111, the cost is increased little, the installation process is unchanged, the insulating partition 1111 of the pre-embedded temperature sensor 113 can be installed on the bus duct connector 11 in batch, the connector cover plate 112 with the temperature display 114 can be directly installed when required in the later period, and the insulating partition 1111 of the pre-embedded temperature sensor 113 can be used in the bus duct connector 11 as a standard product.

It should be noted that many of the components mentioned in this application are common standard components or components known to those skilled in the art, and the structures and principles thereof are known to those skilled in the art from technical manuals or by routine experimental methods.

It should be noted that in this specification relational terms such as first and second are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

The bus duct device and the bus duct connector provided by the application are described in detail above. Specific examples are set forth herein to illustrate the principles and embodiments of the present application, and the description of the examples above is only intended to assist in understanding the methods of the present application and their core ideas. It should be noted that it would be obvious to those skilled in the art that various improvements and modifications can be made to the present application without departing from the principles of the present application, and such improvements and modifications fall within the scope of the claims of the present application.

Claims

1. A bus duct connector connected between adjacent bus ducts, the bus duct connector comprising a connector body and a connector cover plate, adjacent bus ducts being inserted into the connector body and conducted, the connector cover plate being connected with the bus ducts; the bus duct temperature sensor is characterized in that the connector main body comprises an insulating partition board, a temperature sensor for detecting the bus duct temperature is arranged on the insulating partition board, a temperature display connected with the temperature sensor through signals is arranged on the connector cover plate, and the temperature display is used for displaying the temperature detected by the temperature sensor.

2. The busway connector of claim 1, wherein the temperature display comprises a first indicator light for emitting light when the temperature detected by the temperature sensor is below a first preset value, a second indicator light for emitting light when the temperature detected by the temperature sensor is between the first preset value and a second preset value, and a third indicator light for emitting light when the temperature detected by the temperature sensor is above the second preset value.

3. The busway connector of claim 2, wherein the temperature display further comprises a buzzer alarm.

4. The busway connector of claim 1, wherein the temperature sensor is a thermocouple having two thermocouple temperature measuring points on the insulating spacer.

5. The bus duct connector of claim 4, wherein a temperature measuring point wiring hole is formed in one side edge of the insulating partition board, a connecting wire is penetrated in the temperature measuring point wiring hole, and the temperature sensor is connected with the temperature display through the connecting wire.

6. The bus duct connector of claim 1, wherein the temperature sensor is disposed at a position: the temperature detected by the temperature sensor is as follows: and the A phase temperature of the bus duct and/or the B phase temperature of the bus duct and/or the C phase temperature of the bus duct.

7. The bus duct connector of claim 1, wherein a clip is provided on the temperature display, the clip being used to change the mounting position of the temperature display.

8. A bus duct apparatus comprising a bus duct and a bus duct connector as claimed in any one of claims 1 to 7, the bus duct being conductive through the bus duct connector.