66kv cable connecting device with temperature measurement function and control switch cabinet

Abstract

The utility model belongs to the technical field of control switch cabinets, and particularly relates to a 66kv cable connecting device with a temperature measurement function and a control switch cabinet, and the 66kv cable connecting device comprises an accommodating part which is internally provided with an accommodating cavity; the insulating part is connected to the opening at one end of the accommodating cavity in a sealing manner; a mounting groove is formed in the insulating part; the mounting groove is communicated with the accommodating cavity; a bus structure, wherein the bus structure is arranged in the accommodating cavity; one end of the bus structure extends to the mounting groove; the temperature sensing component is connected to the interior of the mounting groove; and the temperature sensing part is arranged between one end of the bus structure and the insulating part. According to the utility model, real-time rapid detection can be carried out, and cable faults and potential safety hazards caused by over-high temperature can be effectively avoided; therefore, the use safety and stability can be improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of control switch cabinets, and particularly relates to a 66kv cable connection device with a temperature measurement function and a control switch cabinet. Background Art

[0002] In the field of offshore power generation, the stable operation of cables is crucial. Due to the harsh offshore environment, the temperature at the cable joints is likely to be too high. If not discovered and dealt with in time, it may lead to cable failures, affecting power generation efficiency and even posing safety hazards.

[0003] However, most of the existing cable joints do not have the function of monitoring temperature, so the stability and safety of use are relatively low. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a 66kv cable connection device with a temperature measurement function to solve any of the above technical problems in view of the deficiencies of the prior art.

[0005] To achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A 66kv cable connection device with a temperature measurement function, comprising:

[0007] A containing component, in which a containing cavity is provided;

[0008] An insulating component, which is hermetically connected to one end opening of the containing cavity; and an installation groove is provided on the insulating component; the installation groove communicates with the containing cavity; wherein, the insulating component is made of epoxy resin material;

[0009] A bus structure, which is arranged inside the containing cavity; and one end of the bus structure extends to the installation groove;

[0010] A temperature sensing component, which is connected to the installation groove; and the temperature sensing component is arranged between one end of the bus structure and the insulating component.

[0011] Preferably, a chip is provided in the installation groove; the chip is electrically connected to the temperature sensing component.

[0012] Preferably, the 66kv cable connection device with a temperature measurement function further comprises a wireless power transmitter and a signal collector; the wireless power transmitter is electrically connected to the signal collector; the wireless power transmitter is used to charge the temperature sensing component; and the wireless power transmitter is electrically connected to the temperature sensing component.

[0013] Preferably, a filling layer is further provided in the installation groove; the filling layer is arranged between one end of the bus structure and the insulating component and between one end of the bus structure and the temperature sensing component.

[0014] Preferably, the filling layer is made of a filling material of epoxy resin.

[0015] Preferably, the accommodating component includes an outer protective shell and an inner protective layer which are stacked in sequence from outside to inside; the accommodating cavity is arranged inside the inner protective layer.

[0016] Preferably, the inner protective layer is made of a protective material of epoxy resin

[0017] Preferably, the insulating component includes a supporting part and a sealing part which are connected to each other; the supporting part is hermetically connected to the opening of the accommodating cavity; the sealing part is closely attached to the inner wall of the accommodating cavity.

[0018] Preferably, the bus structure includes a bus body, a cable terminal and a first positioning post; the cable terminal is connected to one end of the bus body; the first positioning post passes through the cable terminal and the bus body and is respectively connected to one end of the bus body and the cable terminal; and the bus body is arranged in the accommodating cavity; the first positioning post is arranged in the accommodating cavity.

[0019] Preferably, a control switch cabinet includes the above-mentioned 66kv cable connection device with a temperature measurement function.

[0020] The beneficial effect of the present utility model is that, through the temperature sensing component, the operating temperature of the bus structure can be detected in real time and quickly, which can effectively avoid cable failures and potential safety hazards caused by excessive temperature; thus, the safety and stability of use can be improved; in addition, by installing the temperature sensing component into the installation groove, the temperature value can be directly and quickly detected and sensed, the overall space can be effectively utilized, and the convenience of installation and disassembly and maintenance can also be improved; at the same time, by selecting an insulating component made of epoxy resin material, it can be used in electrical equipment with a voltage of 66kv, improving the safety of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The following will refer to the attached Figures 1 to 5 to describe the features, advantages and technical effects of the exemplary embodiments of the present utility model.

[0022] Figure 1 It is a schematic structural diagram of a 66kv cable connection device with a temperature measurement function according to an embodiment of the present utility model;

[0023] Figure 2Explosion diagram of a 66 kV cable connection device with temperature measurement function according to an embodiment of the present utility model;

[0024] Figure 3 Partial structural schematic diagram of a 66 kV cable connection device with temperature measurement function according to an embodiment of the present utility model;

[0025] Figure 4 Structural schematic diagram of an insulating component of a 66 kV cable connection device with temperature measurement function according to an embodiment of the present utility model;

[0026] Figure 5 Schematic diagram of a busbar structure of a 66 kV cable connection device with temperature measurement function according to an embodiment of the present utility model.

[0027] In the figure: 1 - accommodating component; 11 - outer protective shell; 12 - inner protective layer; 101 - accommodating cavity; 102 - first channel; 103 - third channel; 104 - second channel; 105 - assembly groove; 2 - insulating component; 21 - installation groove; 22 - filling layer; 201 - supporting part; 202 - sealing part; 203 - assembly inclined surface; 3 - busbar structure; 31 - busbar body; 33 - first positioning post; 4 - cable terminal; 5 - temperature sensing component; 51 - chip; 6 - wireless power transmitter; 61 - signal transmission module; 7 - signal collector. Detailed implementation manners

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which this application belongs; the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above drawings are intended to cover non-exclusive inclusion.

[0029] In the description of the embodiments of this application, technical terms such as "first" and "second" are only used to distinguish different objects and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity, specific order or primary-secondary relationship of the indicated technical features. In the description of the embodiments of this application, the meaning of "a plurality" is two or more unless otherwise specifically defined.

[0030] Referring to "embodiments" herein means that specific features, structures or characteristics described in connection with the embodiments can be included in at least one embodiment of this application. The phrase appears at various positions in the specification and does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment mutually exclusive with other embodiments. Those skilled in the art will explicitly and implicitly understand that the embodiments described herein can be combined with other embodiments.

[0031] In the description of the embodiments of the present application, the term "and / or" is only used to describe the association relationship of associated objects, indicating that there can be three relationships. For example, A and / or B can mean: A exists alone, A and B exist simultaneously, or there are multiple separate situations. In addition, the character " / " in this text generally indicates that the associated objects before and after are in an "or" relationship.

[0032] In the description of the embodiments of the present application, unless otherwise clearly specified and limited, technical terms such as "installation", "connection", "connection", "fixation", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can also be a mechanical connection or an electrical signal connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to specific situations.

[0033] The following will further elaborate on the present utility model in conjunction with the attached Figures 1 to 5 This is not a limitation to the present utility model.

[0034] As Figure 1 shown, in an embodiment of the present utility model, the 66 kV cable connection device with temperature measurement function includes:

[0035] A housing component 1, within which there is a housing cavity 101;

[0036] An insulating component 2, which is sealingly connected to one end opening of the housing cavity 101; and there is an installation groove 21 on the insulating component 2; the installation groove 21 communicates with the housing cavity 101; wherein, the insulating component 2 is made of epoxy resin material;

[0037] A bus structure 3, which is arranged inside the housing cavity 101; and one end of the bus structure 3 extends to be arranged in the installation groove 21;

[0038] A temperature sensing component 5, which is connected in the installation groove 21; and the temperature sensing component 5 is arranged between one end of the bus structure 3 and the insulating component 2.

[0039] The technical solution of the present utility model can quickly and real-time detect the operating temperature of the busbar structure through the temperature sensing component, effectively avoiding cable failures and potential safety hazards caused by excessive temperature, thereby improving the safety and stability of use. In addition, by installing the temperature sensing component in the installation groove, the temperature value can be directly and quickly detected and sensed, the overall space can be effectively utilized, and the convenience of installation and disassembly and maintenance can be improved.

[0040] Among them, the epoxy resin material of the insulating component 2 has the model number HE-2856 / HH-2856.

[0041] Specifically, in some embodiments, such as Figure 1 , 2 and as shown in FIG. 5, the busbar structure 3 includes a busbar body 31, a cable terminal 4, and a first positioning post 33; the cable terminal 4 is connected to one end of the busbar body 31; the first positioning post 33 passes through the cable terminal 4 and the busbar body 31, and is respectively connected to one end of the busbar body 31 and the cable terminal 4 (that is, the cable terminal 4 is arranged between one end of the busbar body 31 and the first positioning post 33); and the busbar body 31 is arranged in the accommodating cavity 101 (in the second channel 104); the first positioning post 33 is arranged in the accommodating cavity 101 (in the first channel 102). Among them, the first positioning post 33 is a positioning screw; the positioning screw is used for connecting with a positioning bolt. Among them, as Figure 1 and 2 shown, the busbar body 31 includes a busbar copper part, a busbar tube, and stress cones; the busbar tube is sleeved and connected to the outer surface of the busbar copper part; two stress cones are selected and respectively connected to the left and right ends of the busbar tube, and the stress cones are connected to the inside of the second channel 104; a copper part installation portion is provided on the busbar copper part, and the copper part installation portion is used for installation in the first channel 102. Among them, a grounding ring is further provided on the busbar tube; the grounding ring passes through the busbar tube and is arranged between the stress cones; and the grounding ring is used for connecting with a grounding installation wire to improve the use safety of the busbar structure.

[0042] Specifically, in some embodiments, the temperature sensing component 5 is selected as a temperature sensor; an RFID temperature sensing module can be selected, specifically EPCID20C20.

[0043] Specifically, in some embodiments, such as Figure 1 and 2As shown, a chip 51 is provided in the installation groove 21; the chip 51 is electrically connected to the temperature sensing component 5. Among them, a data transmission module (which can be a TX118S wireless transmission module) is provided in the chip 51. Among them, the chip 51 can be an RFID chip, such as a 13.56MHz high-frequency chip model. And the chip 5 abuts against one end of the bus bar structure 3 (the first positioning post 33)

[0044] Specifically, in some embodiments, such as Figure 1 and 2 As shown, the 66kv cable connection device with temperature measurement function further includes a wireless power transmitter 6 and a signal collector 7; the wireless power transmitter 6 is electrically connected to the signal collector 7; the wireless power transmitter 6 is used to charge the temperature sensing component 5; and the wireless power transmitter 6 is electrically connected to the chip 51. Among them, as Figure 2As shown, a signal transmission module 61 is provided inside the wireless power transmitter 6; the signal transmission module 61 is electrically connected to the data transmission module; the signal transmission module 61 is electrically connected to the signal collector 7. That is to say, the wireless power transmitter 6 transmits energy to the temperature sensing component 5 in the form of electromagnetic waves, enabling the temperature sensing component 5 to work properly, and returning the temperature sensed by the temperature sensing component 5 to the wireless power transmitter in the form of an electromagnetic signal through the chip 51. The wireless power transmitter 6 then transmits the received temperature signal to the signal collector in the background, realizing real-time monitoring of the temperature of the cable joint. Among them, the signal collector 7 can be an RFID collector without a display function, and the data can be uploaded wirelessly to a third-party display (such as an instrument, a gateway, a background, etc.) through RS485 or Lora; the signal collector 7 can also be an RFID collector with a display function. The data can also be uploaded wirelessly to a third-party display (such as an instrument, a gateway, a background, etc.) through RS485 or Lora. The wireless power transmitter 6 is a device that can transmit electrical energy without physical wires. It usually includes a transmitter that can convert electrical energy into other forms of energy (such as electromagnetic field energy, laser, microwave, or mechanical wave), then propagate a certain distance through space, and finally convert this energy back into electrical energy through another device (receiver). Further, the wireless power transmitter 6 includes a transmitter, a receiver, a coupling device, a power supply, etc. The transmitter is a key device that converts electrical energy into other forms of relay energy (such as electromagnetic field energy, laser, microwave, and mechanical wave, etc.). It converts the input power into an oscillating electromagnetic field through a certain type of "antenna" device. The receiver is a device that receives electricity and converts the oscillating field into current. It usually includes an antenna or a coupling device similar to that in the transmitter for converting electromagnetic energy into electrical energy. The coupling device is used to transfer energy between the transmitter and the receiver, and can be a coil, a metal plate, or other forms of coupling devices. The power supply provides power for the entire system and can be a battery, a power cord, or other forms of power supply.

[0045] Specifically, in some embodiments, such as Figure 2 and 3 As shown, a filling layer 22 is further provided in the installation groove 21; the filling layer 22 is arranged between one end of the bus structure 3 and the insulating component 2 and between one end of the bus structure 3 and the temperature sensing component 5. Among them, the filling material selected for the filling layer 22 is a filling material made of epoxy resin. This structure can ensure the installation stability of each component through the filling material of epoxy resin, and can also ensure the heat transfer speed and improve the accuracy of induction detection.

[0046] Specifically, in some embodiments, such as Figure 1 and 2As shown, the accommodating component 1 includes an outer protective shell 11 and an inner protective layer 12 which are stacked in sequence from outside to inside; the accommodating cavity 101 is arranged inside the inner protective layer 12. Among them, the outer protective shell 11 is a metal shell; the inner protective layer 12 is made of a protective material of epoxy resin; this structure can improve the protection performance of the busbar structure 3 and enhance the stability and safety in use.

[0047] Specifically, in some embodiments, as Figure 1 and 2 shown, the accommodating cavity 101 includes a first channel 102, a third channel 103 and a second channel 104; the first channel 102 is arranged above the third channel 103; the second channel 104 is arranged on the side of the first channel 102; the first channel 102 communicates with the third channel 103; the third channel 103 and the second channel 104 communicate; the first channel 102 and the second channel 104 communicate; and the busbar structure 3 (the middle busbar body 31) is arranged inside the second channel 104; the insulating component 2 is arranged inside the first channel 102.

[0048] Specifically, in some embodiments, as Figure 2 and 4 shown, the insulating component 2 includes a support part 201 and a sealing part 202 which are connected to each other; the support part 201 is hermetically connected to the opening of the accommodating cavity 101 (the first channel 102 therein); the sealing part 202 is closely connected to the inner wall of the accommodating cavity 101 (the first channel 102 therein). Among them, as Figure 4 shown, the projection of the support part 201 towards the sealing part 202 covers the sealing part 202. This structure improves the installation flexibility and the installation sealing performance. Further, an assembly inclined surface 203 is provided on the side surface of the sealing part 202, and the assembly inclined surface 203 is closely connected to the inner wall of the accommodating cavity 101 (the first channel 102 therein); and the inclination angle of the assembly inclined surface 203 is selected to be an inclined structure greater than 5 degrees and less than 15 degrees. Still further, an assembly groove 105 is provided at the opening of the accommodating cavity 101 (the first channel 102 therein); the support part 201 (closely) is hermetically connected to the inside of the assembly groove 105. This structure can further improve the installation flexibility and the installation sealing performance.

[0049] The present utility model also provides a control switchgear cabinet, which includes a 66 kV cable connection device with temperature measurement function. The specific structure of the 66 kV cable connection device with temperature measurement function refers to the above-mentioned embodiments. Since this control switchgear cabinet adopts all the technical solutions of the above-mentioned embodiments, it has at least all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, which will not be elaborated one by one here.

[0050] Among them, the control switchgear cabinet can be a ring main unit; a ring network refers to a ring-shaped distribution network, that is, the power supply trunk forms a closed ring, and the power supply supplies power to this ring-shaped trunk, and then each circuit distributes power outward through a high-voltage switch one by one from the trunk. Each distribution branch of the ring main unit can obtain power from the left trunk or the right trunk. When the left trunk fails, it continues to obtain power from the right trunk, and when the right trunk fails, it continues to obtain power from the left trunk.

[0051] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

[0052] According to the disclosure and teachings of the above specification, those skilled in the art of the present utility model can also make changes and modifications to the above-mentioned embodiments. Therefore, the present utility model is not limited to the above specific embodiments, and any obvious improvements, substitutions or variations made by those skilled in the art based on the present utility model belong to the protection scope of the present utility model. In addition, although some specific terms are used in this specification, these terms are only for convenience of description and do not constitute any limitation to the present utility model.

Claims

1. A 66 kV cable connection device with temperature measurement function, characterized in that: Comprising: A containing component, within which there is a containing cavity; An insulating component, which is hermetically connected to an opening at one end of the containing cavity; and there is an installation groove on the insulating component; the installation groove communicates with the containing cavity; wherein, the insulating component is made of epoxy resin material; A busbar structure, which is arranged inside the containing cavity; and one end of the busbar structure extends to be arranged in the installation groove; A temperature sensing component, which is connected in the installation groove; and the temperature sensing component is arranged between one end of the busbar structure and the insulating component.

2. The 66 kV cable connection device with temperature measurement function according to claim 1, characterized in that: There is a chip in the installation groove; the chip is electrically connected to the temperature sensing component.

3. The 66 kV cable connection device with temperature measurement function according to claim 1 or 2, characterized in that: The 66kv cable connection device with temperature measurement function further comprises a wireless power transmitter and a signal collector; the wireless power transmitter is electrically connected to the signal collector; the wireless power transmitter is used to charge the temperature sensing component; and the wireless power transmitter is electrically connected to the temperature sensing component.

4. The 66 kV cable connection device with temperature measurement function according to claim 1, characterized in that: There is also a filling layer in the installation groove; the filling layer is arranged between one end of the busbar structure and the insulating component and between one end of the busbar structure and the temperature sensing component.

5. The 66 kV cable connection device with temperature measurement function according to claim 4, characterized in that: The filling layer is made of a filling material of epoxy resin.

6. The 66 kV cable connection device with temperature measurement function according to claim 1, characterized in that: The containing component includes an outer protective shell and an inner protective layer that are stacked in sequence from outside to inside; the containing cavity is arranged inside the inner protective layer.

7. The 66 kV cable connection device with temperature measurement function according to claim 6, characterized in that: The inner protective layer is made of a protective material of epoxy resin.

8. The 66 kV cable connection device with temperature measurement function according to claim 1, characterized in that: The insulating component includes a support part and a sealing part that are connected to each other; the support part is hermetically connected to the opening of the containing cavity; the sealing part is closely connected to the inner wall of the containing cavity.

9. The 66 kV cable connection device with temperature measurement function according to claim 1, characterized in that: The busbar structure includes a busbar body, a cable terminal and a first positioning post; the cable terminal is connected to one end of the busbar body; the first positioning post passes through the cable terminal and the busbar body and is respectively connected to one end of the busbar body and the cable terminal; and the busbar body is arranged in the containing cavity; the first positioning post is arranged in the containing cavity.

10. A control switchgear, characterized in that: Including the 66kv cable connection device with temperature measurement function according to any one of claims 1 to 9 above.

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