CN109813464B - Wireless temperature measurement terminal for overhead line - Google Patents
Wireless temperature measurement terminal for overhead line Download PDFInfo
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- CN109813464B CN109813464B CN201910283159.1A CN201910283159A CN109813464B CN 109813464 B CN109813464 B CN 109813464B CN 201910283159 A CN201910283159 A CN 201910283159A CN 109813464 B CN109813464 B CN 109813464B
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Abstract
The invention discloses a wireless temperature measurement terminal of an overhead line, which comprises a rectangular box body, wherein the upper end surface of the rectangular box body is provided with a temperature sensing probe positioning box body and a block-shaped temperature sensing probe arranged in the temperature sensing probe positioning box body, and a wireless temperature measurement host and a power supply are arranged in the rectangular box body; two positioning hanging rings are symmetrically arranged above the rectangular box body positioned at the left side and the right side of the temperature sensing probe positioning box body respectively through automatic wire clamping structures, the tops of the two positioning hanging rings are contacted to form a semicircular closed ring, and a wire pressing clamp used for tightly clamping the power transmission line when the automatic wire clamping structures are closed is arranged on the two automatic wire clamping structures respectively. The temperature measuring device can be installed only by contact pressing of the power transmission line, so that the problems of unsafe and overlarge labor capacity of the conventional temperature measuring device by fastening the anchor ear are avoided, and the installation efficiency is greatly improved. The invention adopts an electrified installation mode, is flexible and convenient, and thoroughly solves the trouble of power failure installation of users.
Description
Technical Field
The invention relates to the technical field of motor manufacturing, in particular to a wireless temperature measurement terminal for an overhead line.
Background
The transmission line is used as a transmission channel in a power system, and at present, the transmission line in China works in long-term overload, and under the condition, the connection of the line, whether a wire connecting pipe or a drainage joint, is a weak link of the power line. In addition, due to poor construction, climate cold and heat change influence, sudden increase of load, vibration and other reasons of the wire connection point, screw loosening at the connection point or contact resistance increase caused by contact surface metal oxidation can be promoted, and the above factors can finally cause line accidents due to overhigh temperature. Therefore, the temperature of the strain clamp, the drainage plate, the drainage parallel groove clamp, the linear splicing sleeve and the loose strand (back strand) of the lead on the power transmission line is monitored at all times, and the lead can be reasonably checked by operators, and meanwhile, accidents can be predicted and prevented.
But current temperature measuring device can't direct joint to the transmission line on, need fix the staple bolt on the temperature measuring device to the transmission line on, need adopt the screw to fasten the staple bolt, because the height of transmission line is very high, carry out the fastening operation of screw very unsafe in the high altitude, undoubtedly increased staff's work load and danger, and the operating efficiency is very slow, leads to unable large-scale installation to temperature measuring device, influences installation effectiveness.
In addition, when the existing temperature measuring device is installed, power failure operation is needed to be carried out on the power transmission line, so that normal power utilization of a user is affected, and living inconvenience is brought to the user.
Disclosure of Invention
The invention aims to solve the technical problems that the installation is unsafe and the operation efficiency is very low due to the fact that an existing temperature measuring device is fastened through a hoop, and power failure is required to be conducted during the installation, so that the temperature measuring terminal is safely and quickly installed, and the temperature on a power transmission line is monitored in real time.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows.
The wireless temperature measurement terminal of the overhead line comprises a rectangular box body, wherein a temperature sensing probe positioning box body is arranged on the upper end face of the rectangular box body, a block-shaped temperature sensing probe with the top end face higher than the top end face of the temperature sensing probe positioning box body is embedded in the temperature sensing probe positioning box body, and is used for detecting the temperature on a power transmission line, and a wireless temperature measurement host machine used for receiving detection signals of the block-shaped temperature sensing probe and transmitting temperature information detected by the block-shaped temperature sensing probe and a power supply used for providing electric energy for the whole device are arranged in the rectangular box body; the upper parts of the rectangular box bodies positioned at the left side and the right side of the temperature sensing probe positioning box body are symmetrically provided with two positioning hanging rings which are used for being hung on a power transmission line when the automatic wire clamping structure is closed so as to detect the temperature of the power transmission line in real time, the tops of the two positioning hanging rings are contacted to form a semicircular closed ring, and the two automatic wire clamping structures are respectively provided with a wire clamp used for tightly clamping the power transmission line when the automatic wire clamping structure is closed.
Further optimizing the technical scheme, the top end surface of the temperature sensing probe positioning box body is of a concave V-shaped structure, and a channel for the block-shaped temperature sensing probe to move up and down in the temperature sensing probe positioning box body is formed in the middle of the top end surface of the temperature sensing probe positioning box body; the top end face of the block-shaped temperature sensing probe is correspondingly arranged to be of a concave V-shaped structure.
Further optimizing technical scheme, automatic card line structure is including setting up respectively on the rectangle box up end of temperature sensing probe location box left and right sides and with location link ring through movable rotating shaft swing joint's locating support, the suit sets up in movable rotating shaft and is located the clamping connecting plate of both sides around the location link ring, set up on the locating support and with clamping connecting plate looks joint locking locating plate and be connected with locking locating plate and cubic temperature sensing probe respectively, be used for making locking locating plate and clamping connecting plate break away from the bottom connecting plate of joint when the cubic temperature sensing probe of power transmission line downwardly extrusion, the bottom of bottom connecting plate still is provided with and is used for making locking locating plate break away from locking locating plate and resumes the locking locating plate reset structure of normal position after the joint, be connected through location structure between location link ring and the clamping connecting plate, the movable rotating shaft at both ends around the clamping connecting plate is provided with first torsional spring and second torsional spring respectively in the suit, the one end of first torsional spring and second torsional spring is fixed connection with the line clamp respectively.
The positioning hanging ring comprises two mounting side plates respectively sleeved on the movable rotating shaft, an arc plate connected with the two mounting side plates and a top contact plate arranged at the top of the arc plate, wherein the arc plate is also provided with a positioning hanging ring resetting structure for resetting after the positioning hanging ring rotates around the movable rotating shaft, and the two mounting side plates are respectively provided with a positioning column mounting hole in a same line; the positioning hanging ring resetting structure comprises a third torsion spring which is sleeved on the movable rotating shaft and is contacted with the outer wall of the arc-shaped plate by the torsion arm.
According to a further optimized technical scheme, the clamping connecting plate comprises a front side plate b and a rear side plate b which are respectively sleeved on the movable rotating shaft and positioned on the front side and the rear side of the mounting side plate, the front side plate b and the rear side plate b are connected through the connecting plate, and clamping positioning heads are correspondingly arranged on the front side plate b and the rear side plate b; the locking positioning plate is of an inverted trapezoid structure, and a clamping opening matched with the clamping positioning head is formed in the inner side of the locking positioning plate; and the front side plate b and the rear side plate b are respectively and transversely provided with a transverse positioning plate which is contacted with the line pressing clamp and limits the position of the line pressing clamp.
Further optimizing technical scheme, location structure is including seting up the arc slide hole on preceding curb plate b and posterior lateral plate b and passing the reference column mounting hole on two installation curb plates in proper order and sliding the reference column that sets up in the arc slide hole, has certain clearance of activity between the top of arc slide hole and the reference column.
Further optimizing technical scheme, the locating support includes preceding curb plate a, posterior lateral plate a and connects the middle part connecting plate that sets up between preceding curb plate a and posterior lateral plate a, forms the horizontal contact portion that contacts with the location link ring bottom between the top of middle part connecting plate and preceding curb plate a and posterior lateral plate a, has seted up the vertical sliding hole that is used for making locking locating plate reciprocate on preceding curb plate a and the posterior lateral plate a.
Further optimizing technical scheme, locking locating plate reset structure is including setting up the spring fixed column in bottom connecting plate bottom and the fixed reset spring who sets up between spring fixed column and bottom connecting plate.
Further optimizing technical scheme, temperature sensing probe location box is including the V type contact portion that is used for storing the power transmission line, set up the cubic temperature sensing probe mounting hole on temperature sensing probe location box top and set up the bottom connecting plate that is used for making the bottom connecting plate stretch out the hole in temperature sensing probe location box left and right sides, the surface cover of V type contact portion is equipped with one deck insulating guard shield, insulating guard shield's surface linearity is provided with a plurality of semispherical archs that are used for increasing with the friction between the power transmission line surface in order to prevent the secant.
Further optimizing technical scheme, the bottom mounting of rectangle box is provided with and is used for connecting the insulating rod in order to promote the dismouting ring that highly is convenient for install on the transmission line as a whole.
By adopting the technical scheme, the invention has the following technical progress.
According to the invention, the block-shaped temperature sensing probes can be pressed by the power transmission line, so that the two line pressing lines are driven by the automatic line clamping structure to clamp and fasten the power transmission line, and the two positioning hanging rings are closed and hung on the power transmission line, the block-shaped temperature sensing probes detect temperature information on the power transmission line in real time and feed back the temperature information to the singlechip in the wireless temperature measuring host, and the temperature information is transmitted to the temperature measuring cloud server through the GPRS wireless communication module and the 4G network, so that the monitoring of the temperature on the power transmission line is realized. The temperature measuring device can be installed only by contact pressing of the power transmission line, so that the problems of unsafe and overlarge labor capacity of the conventional temperature measuring device by fastening the anchor ear are avoided, and the installation efficiency is greatly improved. The invention adopts an electrified installation mode, is flexible and convenient, and thoroughly solves the trouble of power failure installation of users.
According to the temperature sensing probe positioning box, the surface of the V-shaped contact part is sleeved with the insulating shield, the surface of the insulating shield is linearly provided with the hemispherical protrusions, and the hemispherical protrusions are used for increasing friction with the outer surface of the power transmission line so as to prevent a cutting line.
The middle part of the top end of the block-shaped temperature sensing probe is of a V-shaped concave structure, and the block-shaped temperature sensing probe is higher than the top end face of the temperature sensing probe positioning box body, so that the block-shaped temperature sensing probe is contacted with the power transmission line when the power transmission line is clamped, and the aim of extruding the block-shaped temperature sensing probe by the power transmission line is fulfilled.
The dismounting ring fixedly arranged at the bottom end of the rectangular box body can enable the insulating rod to be hooked on the dismounting ring so as to improve the overall height of the device and facilitate the device to be mounted on a power transmission line. So make this device need not to carry out the power failure with whole shaft tower when the installation and install again, can be directly under the condition that the shaft tower was circular telegram, can install on the transmission line through the insulator spindle, improved the practicality of this device greatly.
The positioning hanging ring and the clamping connecting plate in the automatic wire clamping structure can enable the clamping positioning head and the clamping opening on the clamping connecting plate to be clamped after rotating around the movable rotating shaft, so that the aim of locking is achieved, and when the locking is released, the first torsion spring and the second torsion spring restore to the original positions.
According to the invention, a certain movable gap is arranged between the top end of the arc-shaped sliding hole on the clamping connecting plate and the positioning column, so that the positioning hanging ring can move outwards along the arc-shaped sliding hole when the power transmission line is too thick, and the positioning hanging ring can be suitable for the too thick power transmission line.
Drawings
FIG. 1 is a schematic view of the structure of the present invention in a closed position of the hitch ring;
FIG. 2 is a second schematic view of the present invention in a closed position of the positioning hitch ring;
FIG. 3 is a third schematic view of the present invention in a closed position of the positioning hitch ring;
FIG. 4 is a schematic view of the structure of the present invention when the hitching ring is positioned in an open and closed state;
FIG. 5 is a schematic diagram of FIG. 4;
FIG. 6 is a left side view of FIG. 4;
FIG. 7 is a schematic view of a structure of the snap-on connection board according to the present invention;
FIG. 8 is a schematic view of a positioning hitch ring according to the present invention;
fig. 9 is a schematic view of a part of the structure of the present invention.
Wherein: 1. positioning hanging rings 11, arc plates 12, mounting side plates 13, top contact plates 14 and positioning column mounting holes; 2. a rectangular box body; 3. a block-shaped temperature sensing probe; 4. the temperature sensing probe locates the box, 41, V-shaped contact part, 43, hemispherical bulge, 44, bottom connecting plate and extends out of the hole; 5. the automatic wire clamping structure comprises an automatic wire clamping structure 51, a positioning bracket 511, a vertical sliding hole 513, a transverse contact part 514, a front side plate a,515, a rear side plate a,516, a middle connecting plate 52, a movable rotating shaft 53, a clamping connecting plate 531, a front side plate b,532, a rear side plate b,533, a connecting plate 534, an arc sliding hole 537, a transverse positioning plate 538, a clamping positioning head 54, a locking positioning plate 541, a clamping opening 55, a bottom connecting plate 56, a first torsion spring 57, a second torsion spring 58, a third torsion spring 59, a positioning column 510, a locking positioning plate reset structure 5101, a reset spring 5102 and a spring fixing column; 6. disassembling and assembling the ring; 7. the wire clamp, 71, the first wire clamp, 72, the second wire clamp.
Detailed Description
The present invention will be described in further detail with reference to the following specific embodiments.
The utility model provides an overhead line wireless temperature measurement terminal, combines the fig. 1 to 9 to show, includes rectangle box 2, temperature sensing probe location box 4, cubic temperature sensing probe 3, wireless temperature measurement host computer, power, location articulates ring 1 and line ball clamp 7.
The middle part of the top end of the temperature sensing probe positioning box body 4 is of a concave V-shaped structure and is arranged on the upper end face of the rectangular box body 2. The temperature sensing probe positioning box 4 comprises a V-shaped contact part 41, a block-shaped temperature sensing probe mounting hole and a bottom connecting plate extending hole 44. The V-shaped contact portion 41 has a V-shaped concave structure for storing the power line; the block-shaped temperature sensing probe mounting hole is formed in the top end of the temperature sensing probe positioning box body 4, so that the block-shaped temperature sensing probe 3 is convenient to mount; the bottom connecting plate extending holes 44 are formed in the left and right sides of the temperature sensing probe positioning box 4 for extending the bottom connecting plate 55. The middle part of the top end surface of the temperature sensing probe positioning box body 4 is provided with a channel for the block-shaped temperature sensing probe 3 to move up and down in the temperature sensing probe positioning box body 4. The surface of the V-shaped contact portion 41 is sleeved with an insulation shield, and a plurality of hemispherical protrusions 43 are linearly arranged on the surface of the insulation shield, and the hemispherical protrusions 43 are used for increasing friction with the outer surface of the power transmission line so as to prevent a cutting line.
The block-shaped temperature sensing probe 3 is arranged in the temperature sensing probe positioning box 4, the block-shaped temperature sensing probe 3 is connected with the automatic wire clamping structure 5 and used for detecting the temperature on a power transmission wire, the middle of the top end of the block-shaped temperature sensing probe 3 is of a concave V-shaped structure, and the block-shaped temperature sensing probe 3 is higher than the top end face of the temperature sensing probe positioning box 4, so that the block-shaped temperature sensing probe 3 is contacted with the power transmission wire when the power transmission wire is clamped, and the extrusion purpose of the power transmission wire to the block-shaped temperature sensing probe 3 is achieved. The block-shaped temperature sensing probe 3 is a wireless temperature sensor, and a ZTPWT-2002 wireless temperature sensor is adopted, so that the temperature range is-40 to +360 ℃.
The wireless temperature measurement host is arranged in the rectangular box body 2 and is used for receiving detection signals of the block-shaped temperature sensing probes 3 and transmitting temperature information detected by the block-shaped temperature sensing probes 3. The wireless temperature measurement host comprises a singlechip and a GPRS wireless communication module. The singlechip is used for receiving the temperature information of the wireless temperature sensor, the singlechip is 51, the GPRS wireless communication module is used for transmitting the temperature data received by the singlechip to the temperature measurement cloud server through a 4G network, and meanwhile, the device can also transmit the temperature data through a 5G network, and the model of the GPRS wireless communication module is H7118 DTU.
The power supply is used for providing electric energy for the whole device, and can be a rechargeable lithium battery or a solar panel arranged on the outer surface of the rectangular box body 2.
In addition, the power supply is not required to be arranged in the rectangular box body 2, only the two closed positioning hanging rings are required to be arranged to be CT power taking rings, and when the CT power taking rings are sleeved on a power transmission line, the CT power taking of the device can be realized, no additional power supply is required, the range of applicable voltage levels is wide, and the device is applicable to alternating current 15-10000A.
The bottom end mounting of rectangle box 2 is provided with dismouting ring 6, and dismouting ring 6 is used for connecting the insulator spindle, can make insulator spindle hook joint on dismouting ring 6 to hoisting device overall height, be convenient for carry out this device and install on the transmission line, so make this device need not to install again after having a power failure whole shaft tower when the installation, can be directly under the condition of shaft tower at the circular telegram, can install on the transmission line through the insulator spindle, improved the practicality of this device widely.
The wire clamp 7 is provided with two wire clamps, is respectively arranged on the two automatic wire clamping structures 5, and comprises a first wire clamp 71 and a second wire clamp 72, and is used for tightly clamping the power transmission line when the automatic wire clamping structures 5 are closed. In the invention, when the two positioning hanging rings are in a closed state, the first wire pressing clamp 71 and the second wire pressing clamp 72 are respectively clamped on the top end surface of the temperature sensing probe positioning box body 4 downwards, so that when the temperature sensing probe positioning box body is positioned at the position of a power transmission line, the first wire pressing clamp 71 and the second wire pressing clamp 72 can tightly clamp the power transmission line. In the invention, when the two positioning hanging rings are in an open state, the first wire pressing clamp 71 and the second wire pressing clamp 72 are both in vertical positions, so that the storage position of the temperature sensing probe positioning box body 4 on the top end face of the power transmission line is opened, and the power transmission line is conveniently led in.
The automatic wire clamping structure 5 comprises a positioning bracket 51, a clamping connecting plate 53, a locking positioning plate 54 and a bottom connecting plate 55. The two positioning brackets 51 are respectively arranged on the upper end surfaces of the rectangular box body 2 at the left side and the right side of the temperature sensing probe positioning box body 4 and are movably connected with the positioning hanging ring 1 through a movable rotating shaft 52. The clamping connection plates 53 are sleeved on the movable rotating shaft 52 and are positioned at the front side and the rear side of the positioning hanging ring 1. The locking positioning plate 54 is arranged on the positioning bracket 51 and is clamped with the clamping connecting plate 53. The bottom connecting plate 55 is respectively connected with the locking and positioning plate 54 and the block-shaped temperature sensing probe 3, and is used for enabling the locking and positioning plate 54 to be separated from the clamping connecting plate 53 when the power transmission line downwards extrudes the block-shaped temperature sensing probe 3.
The bottom of the bottom connecting plate 55 is further provided with a locking positioning plate resetting structure 510, and the locking positioning plate resetting structure 510 is used for enabling the locking positioning plate 54 to be restored to the original position after being out of clamping connection.
The movable rotating shafts 52 positioned at the front end and the rear end of the clamping connecting plate 53 are respectively sleeved with a first torsion spring 56 and a second torsion spring 57, one ends of the first torsion spring 56 and the second torsion spring 57 are respectively fixedly connected with the line pressing clamp 7, and one ends of the first torsion spring 56 and the second torsion spring 57 are respectively fixedly connected with the positioning bracket 51. The first torsion spring 56 and the second torsion spring 57 are arranged, so that when the clamping connection plate 53 and the positioning hanging ring 1 rotate around the movable rotating shaft 52, the clamping connection plate 53 and the positioning hanging ring 1 can be restored to the original positions, and the purpose that the two positioning hanging rings are clamped on a power transmission line is achieved.
The clamping connection plate 53 comprises a front side plate b531, a rear side plate b53 and a connection plate 533, wherein the front side plate b531 and the rear side plate b53 are respectively sleeved on the movable rotating shaft 52 and are positioned on the front side and the rear side of the mounting side plate 12, the front side plate b531 and the rear side plate b532 are connected through the connection plate 533, and the front side plate b531 and the rear side plate b532 are respectively provided with a clamping positioning head 538 correspondingly. A lateral positioning plate 537 is transversely arranged on the front side plate b531 and the rear side plate b532, and the lateral positioning plate 537 is contacted with the wire pressing clamp 7 and limits the position of the wire pressing clamp 7.
The locking positioning plate 54 has an inverted trapezoid structure, and a clamping notch 541 matched with the clamping positioning head 538 is formed on the inner side of the locking positioning plate 54. After the positioning hanging ring 1 and the clamping connecting plate 53 rotate around the movable rotating shaft 52, the clamping positioning head 538 on the clamping connecting plate 53 can be clamped with the clamping notch 54, so that the locking purpose is achieved.
The positioning hanging rings 1 are positioned above the rectangular box body 2 on the left side and the right side of the temperature sensing probe positioning box body 4, and are symmetrically arranged in two through an automatic wire clamping structure 5 respectively and are used for being hung on a power transmission line when the automatic wire clamping structure 5 is closed so as to detect the temperature of the power transmission line in real time. The tops of the two positioning hanging rings 1 are contacted to form a semicircular closed ring, and after the two positioning hanging rings 1 are closed, a closed annular structure for storing a power transmission line is formed with the temperature sensing probe positioning box body 4 and the block-shaped temperature sensing probe 3.
The positioning hanging ring 1 comprises two mounting side plates 12, an arc-shaped plate 11, a top contact plate 13, a positioning hanging ring resetting structure and a positioning column mounting hole 14. The two installation side plates 12 are respectively sleeved on the movable rotating shaft 52, the arc-shaped plate 11 is connected with the two installation side plates 12, and the top contact plate 13 is arranged at the top of the arc-shaped plate 11. The two positioning column mounting holes 14 are respectively arranged on the two mounting side plates 12 in a same line.
The positioning hanging ring resetting structure is arranged on the arc-shaped plate 11 and is used for resetting after the positioning hanging ring 1 rotates around the movable rotating shaft 52. The positioning hanging ring resetting structure comprises a third torsion spring 58, the third torsion spring 58 is sleeved on the movable rotating shaft 52, and the torsion arm is contacted with the outer wall of the arc-shaped plate 11.
The positioning hanging ring 1 is connected with the clamping connecting plate 53 through a positioning structure. The positioning structure includes an arcuate slide aperture 534 and a positioning post 59. Arc-shaped slide holes 534 are opened on the front side plate b531 and the rear side plate b 532. The positioning column 59 sequentially passes through the positioning column mounting holes 14 on the two mounting side plates 12 and is arranged in the arc-shaped sliding hole 534 in a sliding manner, and a certain movable gap is reserved between the top end of the arc-shaped sliding hole 534 and the positioning column 59, so that the positioning hanging ring 1 can move outwards along the arc-shaped sliding hole 534 when the power transmission line is too thick, and the positioning hanging ring can be suitable for the too thick power transmission line.
The positioning bracket 51 includes a front side plate a514, a rear side plate a515, and a middle connection plate 516 connected between the front side plate a514 and the rear side plate a 515. A transverse contact part 513 contacting with the bottom end of the positioning hanging ring 1 is formed between the middle connecting plate 516 and the top ends of the front side plate a514 and the rear side plate a515, vertical sliding holes 511 are formed in the front side plate a514 and the rear side plate a515, and the vertical sliding holes 511 are used for enabling the locking positioning plate 54 to move up and down.
The locking positioning plate resetting structure 510 comprises a spring fixing column 5102 arranged at the bottom of the bottom connecting plate 55 and a reset spring 5101 fixedly arranged between the spring fixing column 5102 and the bottom connecting plate 55, and the reset spring 5101 is arranged, so that when the block-shaped temperature sensing probe 3 is extruded by a power transmission line, the bottom connecting plate 55 can be driven to move downwards, and then the locking positioning plate 54 is driven to move downwards, so that the locking positioning plate 54 is separated from the clamping connecting plate 53.
The working principle of the invention is as follows.
Step one, the two positioning hanging rings are opened by hands. The thumb of the hand is propped against the connecting plate of the left clamping connecting plate, and the four fingers pull the left positioning hanging ring anticlockwise, so that the left positioning hanging ring and the clamping connecting plate rotate anticlockwise around the movable rotating shaft 52, and meanwhile, the first wire pressing clamp 71 positioned at the left rotates anticlockwise. When the clamping positioning head on the left clamping connecting plate is rotated to be in contact with the clamping opening on the left locking positioning plate, the left clamping connecting plate and the left locking positioning plate are clamped and locked, and the left first wire pressing clamp 71 is in a vertical state.
Then, the thumb of the hand is propped against the connecting plate of the clamping connecting plate on the right side, and the four fingers pull the positioning and hanging ring on the right side clockwise, so that the positioning and hanging ring on the right side and the clamping connecting plate rotate clockwise around the movable rotating shaft on the right side, and meanwhile, the second wire pressing clamp 72 on the right side rotates anticlockwise. When the clamping positioning head on the right clamping connecting plate is rotated to be in contact with the clamping opening on the right locking positioning plate, the right clamping connecting plate and the right locking positioning plate are clamped and locked, and the right second wire pressing clamp 72 is in a vertical state. At this time, the two positioning hitching rings are in an open state.
And step two, installing the device. The insulating rod is hooked on the dismounting ring 6 below the rectangular box body 2 through the mounting tool, so that the height of the device is improved, and the device is more convenient to mount.
And step three, the device is installed on a power transmission line. The insulating rod is held by a hand, the transmission line is led into the opening of the two positioning hanging rings of the device, the transmission line is positioned at the V-shaped contact part 41 of the temperature sensing probe positioning box body 4 and the V-shaped concave structure of the block-shaped temperature sensing probe 3, the insulating rod is continuously moved upwards by a hand and is jacked upwards by force, the block-shaped temperature sensing probe 3 contacted with the transmission line is subjected to downward acting force, the block-shaped temperature sensing probe 3 is moved downwards, the bottom connecting plates on the left side and the right side connected with the block-shaped temperature sensing probe are driven to move downwards, the two locking positioning plates connected with the left side and the right side are driven to move downwards along the vertical sliding holes, the clamping connecting plates on the left side and the right side are enabled to be separated from the locking positioning plates, and the clamping connecting plates, the positioning hanging rings and the pressing clamps recover to the initial position under the action of the first torsion spring and the second torsion spring, and then the clamping and clamping the first pressing clamp 71 and the second pressing clamp 72 are enabled to clamp the transmission line, and the device is enabled to be installed to the specific heating point position of the transmission line. Because there is certain clearance between the top of arc sliding hole and the reference column this moment to make the location articulate the ring and can outwards remove along arc sliding hole when the power transmission line is too thick, can be adapted to too thick power transmission line.
And step four, detecting the temperature of the power transmission line. The temperature of a heating point on the power transmission line is detected in real time by the block-shaped temperature sensing probe 3 which is in contact with the power transmission line, detected information is fed back to a singlechip in the wireless temperature measuring host, and after the information is processed and analyzed by the singlechip, the temperature information is transmitted to a temperature measuring cloud server through the GPRS wireless communication module, so that the remote monitoring of the temperature is realized.
Claims (7)
1. The wireless temperature measurement terminal of overhead line, its characterized in that: the device comprises a rectangular box body (2), wherein a temperature sensing probe positioning box body (4) is arranged on the upper end face of the rectangular box body (2), a block-shaped temperature sensing probe (3) with the top end face higher than the top end face of the temperature sensing probe positioning box body (4) and used for detecting the temperature on a power transmission line is embedded in the temperature sensing probe positioning box body (4), and a wireless temperature measuring host used for receiving detection signals of the block-shaped temperature sensing probe (3) and transmitting temperature information detected by the block-shaped temperature sensing probe (3) and a power supply used for integrally providing electric energy for the device are arranged in the rectangular box body (2); two positioning hanging rings (1) which are used for being hung on a power transmission line when the automatic wire clamping structure (5) is closed so as to be convenient for detecting the temperature of the power transmission line in real time are symmetrically arranged above the rectangular box body (2) at the left side and the right side of the temperature sensing probe positioning box body (4) respectively through automatic wire clamping structures (5) which are connected with the block-shaped temperature sensing probes (3), the tops of the two positioning hanging rings (1) are contacted to form a semicircular closed ring, and a wire pressing clamp (7) which is used for tightly clamping the power transmission line when the automatic wire clamping structure (5) is closed is respectively arranged on the two automatic wire clamping structures (5);
the top end surface of the temperature sensing probe positioning box body (4) is of a concave V-shaped structure, and a channel for the block-shaped temperature sensing probe (3) to move up and down in the temperature sensing probe positioning box body (4) is formed in the middle of the top end surface of the temperature sensing probe positioning box body (4); the top end face of the block-shaped temperature sensing probe (3) is correspondingly provided with a concave V-shaped structure;
the automatic wire clamping structure (5) comprises a positioning bracket (51) which is respectively arranged on the upper end surfaces of the rectangular box body (2) at the left side and the right side of the temperature sensing probe positioning box body (4) and is movably connected with the positioning hanging ring (1) through a movable rotating shaft (52), clamping connecting plates (53) which are sleeved on the movable rotating shaft (52) and are positioned at the front side and the rear side of the positioning hanging ring (1), locking positioning plates (54) which are arranged on the positioning bracket (51) and are clamped with the clamping connecting plates (53), a first torsion spring (56) which is respectively connected with the locking positioning plates (54) and the block temperature sensing probe (3) and is used for enabling the locking positioning plates (54) to be separated from bottom connecting plates (55) of the clamping connecting plates (53) in a downward extrusion mode, a locking positioning plate reset structure (510) which is used for enabling the locking positioning plates (54) to be separated from the clamping connection and then restored to the original position is further arranged at the bottom of the positioning hanging ring (55), a second torsion spring (56) which is respectively connected with the first torsion spring (56) and the second torsion spring (57) which are respectively arranged at the front side of the clamping connecting plates (53) and the second torsion spring (56) are respectively fixed at the two ends of the torsion spring (57), one end of the first torsion spring (56) and one end of the second torsion spring (57) are fixedly connected with the positioning bracket (51) respectively;
the positioning hanging ring (1) comprises two mounting side plates (12) which are respectively sleeved on the movable rotating shaft (52), an arc plate (11) which is connected with the two mounting side plates (12) and a top contact plate (13) which is arranged at the top of the arc plate (11), the arc plate (11) is also provided with a positioning hanging ring resetting structure which is used for resetting after the positioning hanging ring (1) rotates around the movable rotating shaft (52), and the two mounting side plates (12) are respectively provided with a positioning column mounting hole (14) in the same line; the positioning hanging ring resetting structure comprises a third torsion spring (58) which is sleeved on the movable rotating shaft (52) and contacts the outer wall of the arc-shaped plate (11).
2. The overhead line wireless temperature measurement terminal according to claim 1, wherein: the clamping connection plate (53) comprises a front side plate b (531) and a rear side plate b (532) which are respectively sleeved on the movable rotating shaft (52) and positioned at the front side and the rear side of the installation side plate (12), the front side plate b (531) and the rear side plate b (532) are connected through a connection plate (533), and clamping positioning heads (538) are correspondingly arranged on the front side plate b (531) and the rear side plate b (532); the locking positioning plate (54) is of an inverted trapezoid structure, and a clamping notch (541) matched with the clamping positioning head (538) is formed in the inner side of the locking positioning plate (54); and a transverse locating plate (537) which is contacted with the wire pressing clamp (7) and limits the position of the wire pressing clamp (7) is transversely arranged on the front side plate b (531) and the rear side plate b (532) respectively.
3. The overhead line wireless temperature measurement terminal according to claim 2, wherein: the positioning structure comprises arc-shaped sliding holes (534) formed in the front side plate b (531) and the rear side plate b (532) and positioning columns (59) which sequentially penetrate through positioning column mounting holes (14) in the two mounting side plates (12) and are arranged in the arc-shaped sliding holes (534) in a sliding mode, and a certain movable gap is reserved between the top ends of the arc-shaped sliding holes (534) and the positioning columns (59).
4. The overhead line wireless temperature measurement terminal according to claim 1, wherein: the positioning bracket (51) comprises a front side plate a (514), a rear side plate a (515) and a middle connecting plate (516) connected between the front side plate a (514) and the rear side plate a (515), wherein a transverse contact part (513) contacted with the bottom end of the positioning hanging ring (1) is formed between the middle connecting plate (516) and the top ends of the front side plate a (514) and the rear side plate a (515), and vertical sliding holes (511) used for enabling the locking positioning plate (54) to move up and down are formed in the front side plate a (514) and the rear side plate a (515).
5. The overhead line wireless temperature measurement terminal according to claim 1, wherein: the locking positioning plate reset structure (510) comprises a spring fixing column (5102) arranged at the bottom of the bottom connecting plate (55) and a reset spring (5101) fixedly arranged between the spring fixing column (5102) and the bottom connecting plate (55).
6. The overhead line wireless temperature measurement terminal according to claim 1, wherein: the temperature sensing probe positioning box body (4) comprises a V-shaped contact part (41) which is of a V-shaped concave structure and is used for storing a power transmission line, a block-shaped temperature sensing probe mounting hole formed in the top end of the temperature sensing probe positioning box body (4) and a bottom connecting plate extending hole (44) formed in the left side and the right side of the temperature sensing probe positioning box body (4) and used for enabling a bottom connecting plate (55) to extend out, an insulating shield is sleeved on the surface of the V-shaped contact part (41), and a plurality of hemispherical protrusions (43) used for increasing friction between the surface of the insulating shield and the outer surface of the power transmission line to prevent a secant are linearly arranged on the surface of the insulating shield.
7. The overhead line wireless temperature measurement terminal according to claim 1, wherein: the bottom end fixing of the rectangular box body (2) is provided with a dismounting ring (6) which is used for connecting the insulating rod to promote the height so that the device is integrally mounted on the power transmission line.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910283159.1A CN109813464B (en) | 2019-04-10 | 2019-04-10 | Wireless temperature measurement terminal for overhead line |
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| CN201910283159.1A CN109813464B (en) | 2019-04-10 | 2019-04-10 | Wireless temperature measurement terminal for overhead line |
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| CN109813464B true CN109813464B (en) | 2024-04-02 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110487429B (en) * | 2019-08-05 | 2021-05-25 | 深圳亚鼎金科技有限公司 | Wireless temperature measuring device for switch cabinet and mounting method thereof |
| CN113310598A (en) * | 2021-05-31 | 2021-08-27 | 福建中电合创电力科技有限公司 | Wireless temperature measurement sensor |
| CN113280934A (en) * | 2021-06-08 | 2021-08-20 | 安徽华希电力科技有限公司 | Overhead line presss from both sides temperature real-time supervision alarm device |
| CN114235179B (en) * | 2022-01-14 | 2024-08-16 | 国网福建省电力有限公司福州供电公司 | Mounting device of through-flow node temperature measuring device |
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