67results about How to "With real-time temperature monitoring function" patented technology

The invention discloses a clamping fitting for preventing the cable from loosening, which comprises a pressing bolt, a core tube, a crimping assembly and a pressing claw assembly; a radial guiding sliding hole is arranged on the tube wall of the core tube; There is an internal thread area in the middle; the crimping assembly includes a plurality of crimping parts; each crimping part is provided with a pressing plate part and an anti-off connection part; the crimping part is detachably arranged on the core tube through the anti-off connection part; the pressure claw The assembly includes a plurality of pressing jaws; each pressing jaw includes a top plate part, a guide slider part and a driving surface; each guide slider part is inserted into a corresponding radial guide sliding hole; the pressing bolt includes a body, an external thread area and a pressing protrusion The shape of the top pressure boss is conical truncated; the external thread area of ​​the top pressure bolt is adapted to the internal thread area of ​​the core tube; the driving surface of each pressure claw is adapted to the outer peripheral wall of a corresponding top pressure boss; at least one The crimping piece has a mounting screw hole with a built-in temperature sensing device. The installation fastness of the invention is stable and reliable.

The invention discloses a high voltage electricity zero sequence current transformer for an electricity transmission and distribution line. The high voltage electricity zero sequence current transformer comprises a base tube, a stem, a bolt, a current transformer and a clamping plate assembly; the base tube comprises a tube pressing portion and a plate sealing portion which are arranged in a relatively fixed mode; the plate sealing portion is provided with a limit sliding hole and wire penetrating holes; the inner wall of the tube pressing portion is provided with crimping bosses; the peripheral wall of the stem is provided with conical crimping surfaces; the clamping plate assembly comprises wire clamping plates; the inner walls of the wire clamping plates are provided with guide sliding tables; each wire clamping plate is provided with a guide sliding groove; each crimping boss is provided with a limit sliding column matched with the corresponding guide sliding groove; each wire clamping plate is arranged to directly face the corresponding crimping boss; the current transformer comprises an annular induction body; all the wire clamping holes are located in a hole cavity of the annular induction body; the bolt is rotated to push all the wire clamping plates to move in the radial direction of the tube pressing portion; the base tube is provided with an installation bolt hole which penetrates through the wall of the tube pressing portion in the radial direction of the base tube; a temperature sensing device is fixedly arranged in the installation bolt hole. The high voltage electricity zero sequence current transformer has the real-time temperature monitoring function.

The invention discloses a power connection fitting, which comprises a core tube, two sets of pressing jaw assemblies, two flat nuts and at least one crimping piece; the inner peripheral wall of the core tube is provided with a crimping boss, and There is a radial limit slide hole, and the inner peripheral wall of the core tube is provided with a block; each set of pressure claw components includes a plurality of pressure claws; two flat nuts are rotatably arranged in the core tube lumen, and the two flat nuts are separated Both sides of the block; each plane nut includes a fastening portion and a plane threaded portion adapted to each pressure jaw in a corresponding set of pressure jaw assemblies; at least one crimping piece is provided with a mounting screw hole for a built-in temperature sensing device. The invention has the function of real-time temperature monitoring.

The invention discloses a power line clamp for an overhead line. The power line clamp comprises a base tube, a core tube, a set of pressing claw assembly and a plane nut, wherein the inner circumferential wall of the base tube is equipped with a pressing boss, a radial limiting slide hole is formed in the tube wall of the core tube, and the inner circumferential wall of the core tube is equipped with an annular blocking table; the pressing claw assembly comprises multiple pressing claws, and each pressing claw comprises a pressing plate part, a guide slide block part and a driving threaded part; the plane nut is disposed in the tube chamber of the core tube in a rotatable manner; the plane nut comprises a plane threaded part which is meshed and fit with the driving threaded part of each pressing claw; and an installation screw hole equipped with a built-in temperature sensing device is formed in the base tube. The power line clamp disclosed by the invention can effectively prevent loosening.

The invention discloses a zero sequence current transformer applicable to an overhead line. The current transformer comprises a base tube, a core column, a bolt, a current transformer body and a clamping plate assembly, wherein the base tube comprises a tube pressing plate and a plate sealing part; the plate sealing part and the tube pressing part are disposed in a relatively fixed manner; a limiting slide hole and a threading hole are formed in the plate sealing part; the core column is equipped with a top pressing slide groove and a conical pressing joint face; a center screw hole is formed in the center of the core column along the axial direction of the tube pressing part; the clamping plate assembly comprises at least three line clamping plates; each line clamping plate faces a corresponding pressing joint boss; a fastening part of the bolt is located on the outer side of the plate sealing part, and a rod body of the bolt passes through the limiting slide hole and is located in the center screw hole of the core column; the current transformer body comprises an annular induction body; each line clamping hole is located in a hole cavity of the annular induction body; an installation screw hole which passes through the wall part of the tube pressing part along the radial direction of the base tube is formed in the base tube; a temperature sensing device is firmly disposed in the installation screw hole; and the bolt is rotated and the core column is pulled to push and press each line clamping plate, so that the line clamping plates can move outwards along the radial direction of the tube pressing part. The current transformer disclosed by the invention has the advantages of a compact structure and good performance.

The invention discloses a power fitting for overhead lines, which comprises a core tube, a core tube, two sets of pressing jaw assemblies and two flat nuts; the inner peripheral wall of the core tube is provided with a crimping boss, and There is a radial limit slide hole, and the inner peripheral wall of the core tube is provided with a block; each set of pressure claw components includes a plurality of pressure claws; two flat nuts are rotatably arranged in the core tube lumen, and the two flat nuts are separated Both sides of the block; each plane nut includes a fastening portion and a plane threaded portion adapted to each pressure jaw in a corresponding set of pressure jaw assemblies; at least one crimping piece is provided with a mounting screw hole for a built-in temperature sensing device. The invention has the function of real-time temperature monitoring.

The invention discloses a high voltage electricity zero sequence current transformer for an electricity transmission and distribution line. The high voltage electricity zero sequence current transformer comprises a base tube, a stem, a bolt, a current transformer and a clamping plate assembly; the base tube comprises a tube pressing portion and a plate sealing portion which are arranged in a relatively fixed mode; the plate sealing portion is provided with a limit sliding hole and wire penetrating holes; the inner wall of the tube pressing portion is provided with crimping bosses; the peripheral wall of the stem is provided with conical crimping surfaces; the clamping plate assembly comprises wire clamping plates; the inner walls of the wire clamping plates are provided with guide sliding tables; each wire clamping plate is provided with a guide sliding groove; each crimping boss is provided with a limit sliding column matched with the corresponding guide sliding groove; each wire clamping plate is arranged to directly face the corresponding crimping boss; the current transformer comprises an annular induction body; all the wire clamping holes are located in a hole cavity of the annular induction body; the bolt is rotated to push all the wire clamping plates to move in the radial direction of the tube pressing portion; the base tube is provided with an installation bolt hole which penetrates through the wall of the tube pressing portion in the radial direction of the base tube; a temperature sensing device is fixedly arranged in the installation bolt hole. The high voltage electricity zero sequence current transformer has the real-time temperature monitoring function.

The invention discloses a high-voltage zero sequence current transformer. The high-voltage zero sequence current transformer comprises a core tube, a set of press claw assembly, a planar nut, a current transformer and three crimping elements, wherein each crimping element is provided with a press plate part and a disconnection-preventing connection part and is detachably arranged on the core tube by the disconnection-preventing connection part, the press plate parts are arranged outside the core tube, three radial limitation sliding holes are formed in the tube wall of the core tube, the press claw assembly comprises three press claws, each press claw comprises a top plate part, a guide sliding block part and a driving thread part, the guide sliding block part is inserted into the corresponding radial limiting sliding hole, the driving thread parts extend into a tube cavity of the core tube, the planar nut is rotatably arranged in the tube cavity of the core tube and comprises a planar thread part, the current transformer comprises an annular substrate, the annular substrate is arranged outside the crimping elements, an installation screw hole is formed in at least one of the crimping elements, and a temperature sensing device is arranged in the installation screw hole. The high-voltage zero sequence current transformer has a function of monitoring temperature in real time.

The invention discloses a high-voltage power zero sequence current transformer for a power transmission and distribution line. The high-voltage power zero sequence current transformer comprises a base tube, a core column, a bolt, a current transformer and a clamping plate assembly, wherein the base tube comprises a press tube part and a sealing plate part, the sealing plate part and the press tube part are oppositely and fixedly arranged, the sealing plate part is provided with a limitation sliding hole and threading holes, crimping bosses are arranged on an inner wall of the press tube part, a conical crimping surface is arranged on a peripheral wall of the core column, the clamping plate assembly comprises wire clamping plates, a guide sliding table is arranged on an inner wall of each wire clamping plate, a guide sliding groove is formed in each wire clamping plate, a limitation sliding post is arranged on each crimping boss and is adaptive to the guide sliding groove, each wire clamping plate is arranged right opposite to one corresponding crimping boss, the current transformer comprises an annular sensitive body, each wire clamping hole is formed in a hole cavity of the annular sensitive body, each wire clamping plate is pushed to move along a radial direction of the press tube part by rotating the bolt, the base tube is provided with an installation screw hole, the installation screw hole passes through a wall body of the press tube part along the radial direction of the base tube, and a temperature sensitive device is fixedly arranged in the installation screw hole. The high-voltage power zero sequence current transformer has the function of real-time temperature monitoring.

The invention discloses a puncture wire clamp for power transmission and distribution, which comprises a base pipe, a core pipe, a set of pressing jaw assemblies and a flat nut; There is a radial limit sliding hole on the top, and an annular stopper is provided on the inner peripheral wall of the core tube; the pressure claw assembly includes a plurality of pressure claws, and each pressure claw includes a pressure plate part, a guide slider part and a driving thread part; the flat nut rotates It is arranged in the lumen of the core tube; the plane nut includes a plane threaded part which is engaged with the driving threaded part of each pressure claw; the base tube is provided with a mounting screw hole for a built-in temperature sensing device. The invention has excellent anti-loosening effect.

The invention discloses a splicing clamp for overhead lines, which comprises a base pipe, a core pipe, a set of pressing claw assemblies and a flat nut; the inner peripheral wall of the base pipe is provided with a crimping boss, and There is a radial limit sliding hole, and the inner peripheral wall of the core tube is provided with an annular stopper; the pressure claw assembly includes a plurality of pressure claws, and each pressure claw includes a pressure plate part, a guide slider part and a driving thread part; the plane nut is rotated In the lumen of the core tube; the plane nut includes a plane threaded portion that is engaged with the driving threaded portion of each pressure claw; the base tube is provided with a mounting screw hole for a built-in temperature sensing device. The invention has excellent anti-loosening effect.

The invention discloses a connecting fitting for overhead lines, which comprises a core tube, a core tube, two sets of pressing jaw assemblies and two flat nuts; the inner peripheral wall of the core tube is provided with a crimping boss, and There is a radial limit slide hole, and a block is provided on the inner peripheral wall of the core tube; each set of pressure claw components includes a plurality of pressure claws; two flat nuts are rotatably arranged in the core tube lumen, and the two flat nuts are separated On both sides of the block; each plane nut includes a fastening portion and a plane threaded portion adapted to each pressure jaw in a corresponding set of pressure jaw assemblies; at least one crimping piece is provided with a mounting screw hole for a built-in temperature sensing device. The invention has the function of real-time temperature monitoring.

The invention discloses a three-phase zero sequence current transformer. The three-phase zero sequence current transformer comprises a core tube, a set of press claw assemblies, a planar nut, a current transformer and three crimping elements, wherein each crimping element is provided with a press plate part and a disconnection-preventing connection part and is detachably arranged on the core tube by the disconnection-preventing connection part, the press plate parts are arranged outside the core tube, three radial limitation sliding holes are formed in the tube wall of the core tube, the press claw assemblies comprise three press claws, each press claw comprises a top plate part, a guide sliding block part and a driving thread part, the guide sliding block part is inserted into the corresponding radial limiting sliding hole, the driving thread parts extend into a tube cavity of the core tube, the planar nut is rotatably arranged in the tube cavity of the core tube and comprises a planar thread part, the current transformer comprises an annular substrate, the annular substrate is arranged outside the crimping elements, an installation screw hole is formed in at least one of the crimping elements, and a temperature sensing device is arranged in the installation screw hole. The three-phase zero sequence current transformer has a function of monitoring temperature in real time.

The invention discloses a power connection fitting for overhead lines, which comprises a core tube, a core tube, two sets of pressing jaw assemblies and two flat nuts; There is a radial limit sliding hole on the top, and a block is provided on the inner peripheral wall of the core tube; each set of pressure claw components includes a plurality of pressure claws; two flat nuts are rotatably arranged in the core tube cavity, and the two flat nuts The two sides of the block are separated; each plane nut includes a fastening part and a plane thread part adapted to each pressure jaw in a corresponding set of pressure jaw assemblies; at least one crimping part is provided with a mounting screw hole for a built-in temperature sensing device. The invention has the function of real-time temperature monitoring.

The invention discloses an improved type zero-sequence current transformer. The improved type zero-sequence current transformer comprises a base tube, a core tube, two crimping parts and two sets of pressing claw assemblies, wherein multiple wire-clamping lug bosses are arranged on the inner circumferential wall of the base tube; two groups of guiding holes are formed in the tube wall of the core tube; each group of guiding holes comprise multiple radial limiting sliding holes; two internal thread regions are arranged on the inner wall of the core tube; each set of pressing claw assembly comprises multiple pressing claws; each pressing claw comprises a plate pressing part, a guiding sliding block part and a driving surface; each crimping part comprises a body, an external thread region which is arranged on the outer circumferential wall of the body, and a crimping lug boss which is arranged at the inner side end of the columnar body; the external thread region of each crimping part is matched with the internal thread region of the core tube; the driving surface of each pressing claw is matched with the outer circumferential wall of the corresponding crimping lug boss; a mounting screw hole is formed in the base tube, wherein a temperature sensing apparatus is arranged in the mounting screw hole; and when each crimping part rotates in a preset direction, the plate pressing part of corresponding one set of pressing claw assembly is pushed to move outwardly in the radial direction of the core tube. The improved type zero-sequence current transformer is relatively good in performance and capable of improving the intelligent level of the power grid.