CN115938697B - Cable safety protection type resistor - Google Patents
Cable safety protection type resistor Download PDFInfo
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- CN115938697B CN115938697B CN202310188975.0A CN202310188975A CN115938697B CN 115938697 B CN115938697 B CN 115938697B CN 202310188975 A CN202310188975 A CN 202310188975A CN 115938697 B CN115938697 B CN 115938697B
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- 230000001681 protective effect Effects 0.000 abstract description 25
- 238000002844 melting Methods 0.000 abstract description 14
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- 230000002829 reductive effect Effects 0.000 abstract description 3
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- 238000004891 communication Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
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- 230000005855 radiation Effects 0.000 description 2
- 244000208734 Pisonia aculeata Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention relates to the technical field of resistors, in particular to a cable safety protection type resistor which comprises a resistor body and a protection frame, wherein the resistor body is arranged in the protection frame. According to the invention, the passive heat dissipation and active heat dissipation mechanism is arranged in the protective frame, so that the resistor in the protective frame is kept in a normal working environment, adverse effects of temperature on the operation of the resistor are avoided, meanwhile, the connection between the connecting terminal of the resistor and the connecting post is also provided with the movable control clamping piece, the connection between the cable line and the resistor is cut off by utilizing the separation between the clamping piece and the cable, the problem that a melting layer is generated between the connecting post and the connecting terminal due to overhigh heat is solved, the influence on the resistance value of the resistor body is reduced, meanwhile, the heat in the protective frame is discharged by matching with the radiator, the melting layer is avoided between the connecting post and the connecting terminal, and the accuracy of the resistance value of the resistor is ensured.
Description
Technical Field
The invention relates to the technical field of resistors, in particular to a cable safety protection type resistor.
Background
Resistors are commonly referred to directly as resistors in daily life; the resistor is a current limiting element, after the resistor is connected in the circuit, the resistance value of the resistor is fixed, and is generally two pins, the resistor can limit the current passing through a branch connected with the resistor, and the ideal resistor is linear, namely the instantaneous current passing through the resistor is in direct proportion to the applied instantaneous voltage; a variable resistor for voltage division is characterized in that one to two movable metal contacts are pressed on an exposed resistor body, and the positions of the contacts determine the resistance between any end of the resistor body and the contacts.
The invention provides a resistor with high stability by referring to the prior Chinese patent CN112927873A, the resistor comprises a resistor, a connecting block and a fixing nail, the fixing nail is in threaded connection with the upper end of the resistor, the resistor is welded with the inner side of the connecting block, and the resistor stretches back and forth along an outer frame through a pin, so that an impact rod can impact the inner wall of a plate body along with inertia force, and the plate body can transmit vibration to a wiring ring, so that an inner extending plate can stretch back and forth along an external ring under the cooperation of a transition block and a pull-back strip, and the inner extending plate can shake a copper melting layer on the inner side of the inner extending plate after repeatedly stretching, thereby solving the problem that the resistance value of the resistor is deviated due to the fact that a copper melting layer is generated between a connecting terminal and a connecting wire of the prior resistor.
At present, in order to improve the use safety of the resistor, the resistor is installed in a protection frame for use, meanwhile, a large-capacity resistor is connected in series in a cable line for effectively inhibiting the influence of direct current magnetic bias, so that the heat of the resistor is greatly increased, sparks are easily generated, the service life of the resistor is easily influenced, however, the resistor is usually subjected to passive heat dissipation in the prior art, the heat dissipation effect is poor, the internal heat of the resistor is high, meanwhile, the normal communication of the cable line is influenced by Wen Youhui, a melting layer is easily generated at a connecting terminal of the cable and the resistor, the resistance value of the resistor is deviated, and the use safety of the resistor is reduced due to the fact that the melting layer exists.
Disclosure of Invention
(One) solving the technical problems
Aiming at the defects of the prior art, the invention provides a cable safety protection type resistor, which solves the problems that the passive radiating effect adopted by the resistor in the prior art is poor, the safety protection performance of the resistor is low, the normal communication of a cable line is adversely affected by the rising of the heat of the resistor, and the connecting terminal of the resistor generates a melting layer to cause the deviation of the resistance value of the resistor.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a cable safety protection type resistor, includes resistor body and protection frame, the resistor body sets up in the inside of protection frame, the both sides of protection frame all activity is provided with the curb plate, two the bottom of curb plate all is provided with the cooling module, and one side of two cooling module all with the inside sliding connection of protection frame, the cooling module includes the rotating turret, and the top of rotating turret is connected with the bottom rotation of curb plate, the rotating turret is close to the side of protection frame and is provided with two cooling frames around symmetry, and one side of two cooling frames respectively with the both sides sliding connection of protection frame inner wall, a plurality of louvre that is used for the exhaust has been seted up to the inside of cooling frame, and the bilateral symmetry at protection frame top is provided with two radiators that are used for initiative heat dissipation;
The inside one side of protection frame still is provided with coupling assembling, coupling assembling includes mount and connecting block, and the mount is located the inside one side of setting at the resistor body of protection frame, the inside slip of mount is provided with the connecting block, and the inside both sides of mount all are provided with movable sleeve, the inside upper and lower side of connecting block all is provided with the clamping piece, and one side of connecting block is provided with the mounting bracket, upper and lower two one side of clamping piece respectively with the upper and lower side sliding connection of mounting bracket one side, the connecting block is provided with the spliced pole near one side of resistor body, and the both ends of spliced pole are connected respectively with the inside of connecting terminal and the inside of mounting bracket.
Preferably, the resistor body comprises a resistor body, two frameworks and two connecting terminals, wherein the frameworks are symmetrically arranged on two sides of the resistor body, the connecting terminals are arranged on two sides of the surface of the resistor body, and the connecting terminals on the right side are arranged on the surface of the resistor body in a sliding mode.
Preferably, the bottom of protection frame is provided with the bottom plate, the both sides and the inside both sides joint of bottom plate of protection frame bottom, and the draw-in groove has all been seted up to the inside both sides of bottom plate, the recess with skeleton matched with is all seted up to the both sides of protection frame bottom, and one side of two skeletons all extends to the outside of protection frame.
Preferably, the top of rotating frame is provided with the axis of rotation, and the both ends of axis of rotation are connected with the both sides rotation of protection frame inner wall respectively, one side of protection frame inner wall is provided with the steering motor, and the surface of steering motor output shaft all is provided with the connecting gear that meshes with the one end of axis of rotation.
Preferably, the top of two the radiator is provided with a baffle in a sliding manner, one side of the two baffles is connected with the inside of the protection frame in a sliding manner, and one side of the two baffles is driven by an electric push rod arranged inside the protection frame.
Preferably, the top and the bottom of connecting block all are provided with control assembly, control assembly includes the fixed block, and one side of fixed block and one side fixed connection of connecting block, the inside slip of fixed block is provided with the fly leaf, and one side of fly leaf and one side of fixed block inner wall all are provided with the electro-magnet.
Preferably, the inside of fixed block still slides and is provided with the control frame, and is provided with the spring between one side of control frame and the one side of fly leaf, one side of control frame extends to the inside of connecting block, and one side of control frame and one side fixed connection of clamping piece.
Preferably, the inside symmetry of mount is provided with two lag, and the inside both sides of mount all are provided with fixed cover, two one side of lag extends to the inside of two fixed covers respectively, and the inside of two fixed covers all is connected with the one end that is provided with the elastic component, the one end of elastic component and the one end of lag, and wherein the one end of cable is located the inside of two lag.
Preferably, the inside upside of connecting block all is provided with the fixture block, and the both sides of two fixture blocks are connected with the surface of two lag respectively, and two fixture blocks are used for being connected between two lag, and two clamping pieces are located the inside slip setting of two fixture blocks respectively simultaneously.
Preferably, an electric sliding table is arranged on one side of the inside of the fixing frame, a connecting plate is arranged on one side of the connecting block, which is close to the electric sliding table, and one side of the connecting plate is fixedly connected with one side of the electric sliding table.
(III) beneficial effects
The invention provides a cable safety protection type resistor. Compared with the prior art, the method has the following beneficial effects:
(1) The invention is provided with a rotating frame and radiating frames, wherein two radiating frames are symmetrically arranged on one side of the rotating frame, which is close to a protecting frame, and one side of the two radiating frames is respectively connected with two sides of the inner wall of the protecting frame in a sliding way; simultaneously all set up the radiator in the both sides at protection frame top, carry out real-time supervision through temperature sensor a to the inside temperature of protection frame, after the inside temperature of protection frame reaches the temperature threshold value, send operating signal to steering motor, electric putter and radiator, two radiators are discharged the inside heat of protection frame through the louvre of heat dissipation frame inside, realize the initiative heat dissipation to the inside heat of resistor body, improve the radiating effect to the resistor body, the cable line work anomaly's that the resistor body heat is too high problem has been solved, and carry out real-time supervision through temperature sensor a to the inside temperature of protection frame, let the inside heat of protection frame open initiative heat dissipation automatically after reaching certain height and handle, further improve the security that the resistor was used, when detecting the inside temperature of protection frame reaches low temperature threshold value through temperature sensor a, utilize rotating frame and baffle to separate the low temperature of external world, ensure that the resistor body does not receive outside temperature's influence, let cable line can normally work, the security of resistor is strong, because set up the resistor body at the inside of protection frame, the resistor is destroyed, the resistor is further avoided receiving the factor of external safety protection, the resistor is further improved.
(2) The invention is provided with the connecting component, two clamping pieces which move up and down are arranged in the connecting component, the two clamping pieces are used for connecting a cable, then a connecting column at one side of the clamping pieces is used for connecting with a connecting terminal on a resistor, one end of the connecting column is connected with the movable connecting terminal, in addition, the two clamping pieces in the connecting block are connected with the cable, so that the cable is electrically connected with the resistor body, meanwhile, one end of the cable is provided with the temperature sensor b, the temperature of the cable is monitored in real time by the temperature sensor b, the inside of the temperature sensor b is provided with a high-temperature threshold value in advance, after the temperature of one end of the cable is detected to reach the high-temperature threshold value, the two clamping pieces are separated from the surface of the cable at the same time, so that the connection between the cable and the resistor body is cut off, the problem that a melting layer is generated between the connecting column and the connecting terminal due to overhigh heat is solved, the influence on the resistance value of the resistor body is reduced, meanwhile, the heat in the inside of the protecting frame is discharged by matching with the radiator, the melting layer is avoided, and the accuracy of the resistance value of the resistor is guaranteed.
(3) The invention is provided with the control assembly, wherein the control assembly has different effects of two electromagnets with the same polarity in the electrified state and the outage state, when the cable system and the resistor body are used normally, the two electromagnets are electrified at the same time, the movable plate is pushed to slide to one side of the control frame, one side of the movable plate pushes the control frame to slide to the outside of the fixed block through the spring, the clamping piece is pushed to clamp the surface of the cable by one side of the control frame, after the temperature sensor b detects that the temperature of one end of the cable reaches a high temperature threshold value, the electromagnet on one side of the movable plate is powered off, the electromagnet on one side of the movable plate is attracted by the electromagnet on one side of the inner wall of the fixed block, so that one side of the control frame slides into the fixed block, the clamping piece is driven to be separated from the surface of the cable by one side of the control frame, the connection between the cable and the resistor body is cut off, and the melting layer generated between the connecting post and the connecting terminal and the clamping piece and the cable due to overhigh heat is avoided, and the use safety of the resistor is ensured.
(4) The invention is provided with the protective sleeves and the fixed sleeves, the protective sleeves are utilized to protect the surface of the cable in the protective frame, the electric slipway is matched with the electric slipway arranged on one side of the fixed frame, and the electric slipway drives the connecting block to slide in the fixed frame through the connecting plate, so that the connecting column is controlled to drive the connecting terminal to slide on the surface of the resistor body, the effect of changing the resistance value of the resistor in the cable line is realized, the two protective sleeves are connected and limited in the connecting block through the clamping blocks, the cable is protected in the protective frame through the protective sleeves, and the normal work of the cable line and the connection stability of the clamping piece to the cable and the resistor are prevented from being influenced by dust attached to the surface of the cable in the protective frame.
Drawings
FIG. 1 is a schematic diagram of a cable safety protection resistor structure according to the present invention;
FIG. 2 is a schematic view of the structure of the protection frame, side plates and turret according to the present invention;
FIG. 3 is a schematic diagram of a cable safety protection resistor according to the present invention;
FIG. 4 is an enlarged view of the structure of FIG. 3A in accordance with the present invention;
FIG. 5 is a schematic view of the structure of the turret, side plates and heat sink of the present invention;
FIG. 6 is a schematic view of a steering motor, a rotating shaft and a connecting gear structure according to the present invention;
FIG. 7 is a schematic view of the structure of the connecting block and clip of the present invention;
FIG. 8 is a cross-sectional view of the structure of the connecting block and the fixing block of the present invention;
Fig. 9 is a schematic diagram of the structure of the connecting block and the electric sliding table of the present invention.
In the figure, 10, resistor body; 20. a protective frame; 30. a side plate; 40. a bottom plate; 101. a resistor; 102. a skeleton; 103. a connection terminal; 201. a rotating frame; 202. a rotating shaft; 203. a steering motor; 204. a connecting gear; 205. a heat dissipation frame; 206. a heat radiation hole; 207. a heat sink; 208. a partition plate; 301. a fixing frame; 302. a connecting block; 303. a movable sleeve; 304. a clamping piece; 305. a mounting frame; 306. a connecting column; 401. a fixed block; 402. a movable plate; 403. an electromagnet; 404. a control rack; 405. a spring; 501. a protective sleeve; 502. a fixed sleeve; 503. an elastic member; 504. a clamping block; 505. an electric sliding table; 506. and (5) connecting a plate.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples
Referring to fig. 1 to 6, a cable safety protection type resistor includes a resistor body 10 and a protection frame 20, wherein the resistor body 10 is disposed inside the protection frame 20;
the resistor body 10 comprises a resistor body 101, two frameworks 102 and two connecting terminals 103, wherein the frameworks 102 are symmetrically arranged on two sides of the resistor body 101, the connecting terminals 103 are arranged on two sides of the surface of the resistor body 101, and the connecting terminals 103 on the right side are arranged on the surface of the resistor body 101 in a sliding manner;
The two sides of the protection frame 20 are movably provided with the side plates 30, the bottom of the protection frame 20 is provided with the bottom plate 40, the two sides of the bottom of the protection frame 20 are clamped with the two sides of the inside of the bottom plate 40, the two sides of the inside of the bottom plate 40 are provided with clamping grooves, the two sides of the bottom of the protection frame 20 are provided with grooves matched with the frameworks 102, one sides of the two frameworks 102 extend to the outside of the protection frame 20, the protection frame 20 is conveniently split through the movable clamping between the protection frame 20 and the bottom plate 40, the resistor body 10 is conveniently installed in the protection frame 20, and meanwhile when the resistor body 10 fails, the resistor body 10 can be quickly dismounted through the split between the protection frame 20 and the bottom plate 40, so that the overhaul operation on the resistor body 10 is quickly completed;
The bottom of two curb plates 30 all is provided with the radiator module, and the inside sliding connection of one side of two radiator module and protection frame 20, the radiator module includes rotating turret 201, and the top of rotating turret 201 rotates with the bottom of curb plate 30 and is connected, the top of rotating turret 201 is provided with axis of rotation 202, and the both ends of axis of rotation 202 rotate with the both sides of protection frame 20 inner wall respectively and be connected, one side of protection frame 20 inner wall is provided with steering motor 203, and the surface of steering motor 203 output shaft all is provided with engaged with connecting gear 204 with the one end of axis of rotation 202, drive connecting gear 204 through steering motor 203 output shaft and rotate, utilize the meshing relationship of two connecting gear 204, let axis of rotation 202 rotate, axis of rotation 202 drives the top of rotating turret 201 along the bottom of curb plate 30 to the outside of protection frame 20, increase the inside space of protection frame 20, thereby let the inside heat of protection frame 20 obtain dispersing, ensure cable line's normal work.
Two heat dissipation frames 205 are symmetrically arranged around one side of the rotating frame 201, which is close to the protection frame 20, one side of each heat dissipation frame 205 is respectively in sliding connection with two sides of the inner wall of the protection frame 20, a plurality of heat dissipation holes 206 for exhausting are formed in the heat dissipation frames 205, the rotating frame 201 rotates towards the outer side of the protection frame 20, the two heat dissipation frames 205 on one side of the rotating frame 201 slide out of the protection frame 20, at the moment, the bottoms of the two heat dissipation frames 205 are in contact with the top surface of the bottom plate 40, meanwhile, the heat dissipation holes 206 in the heat dissipation frames 205 are communicated with the inner part and the outer part of the protection frame 20, and heat in the protection frame 20 is exhausted through the heat dissipation holes 206, so that passive heat dissipation of the heat of the resistor body 10 is realized.
Two radiators 207 for active heat radiation are symmetrically arranged on two sides of the top of the protection frame 20, partition plates 208 are slidably arranged on the tops of the two radiators 207, one sides of the two partition plates 208 are slidably connected with the inside of the protection frame 20, one sides of the two partition plates 208 are driven by an electric push rod arranged inside the protection frame 20, a temperature sensor a is further arranged on one side of the inner wall of the protection frame 20, the temperature sensor a is electrically connected with the steering motor 203, the electric push rod and the inside of the radiator 207, the temperature inside the protection frame 20 is monitored in real time according to the temperature sensor a, a high temperature threshold value and a low temperature threshold value are set inside the temperature sensor a, after the temperature inside the protection frame 20 reaches the temperature threshold value, working signals are sent to the steering motor 203, the electric push rod and the radiator 207, an electric push rod driving shaft drives the partition plates 208 to slide into the inside the protection frame 20, the two radiators 207 start working, the output shaft of the steering motor 203 rotates the top of the rotating frame 201 to the outer side of the protecting frame 20 along the bottom of the side plate 30 through the two connecting gears 204 and the rotating shaft 202, the two radiating frames 205 on one side of the rotating frame 201 slide out of the inner part of the protecting frame 20, the two radiators 207 discharge the heat in the protecting frame 20 through the radiating holes 206 in the radiating frames 205, the active heat dissipation of the heat in the resistor body 10 is realized, the heat dissipation effect of the resistor body 10 is improved, the problem of abnormal operation of a cable circuit caused by overhigh heat of the resistor body 10 is solved, the temperature in the protecting frame 20 is monitored in real time through the temperature sensor a, the active heat dissipation treatment is automatically started after the heat in the protecting frame 20 reaches a certain height, when the temperature inside the protective frame 20 is detected to reach the low-temperature threshold value through the temperature sensor a, the rotating frame 201 and the partition plate 208 are utilized to block the external low temperature, the resistor body 10 is guaranteed not to be affected by the external temperature, the cable line can work normally, the safety protection of the resistor is strong, and the resistor body 10 is prevented from being damaged by external factors due to the fact that the resistor body 10 is arranged inside the protective frame 20, and the safety protection performance of the resistor is further improved.
Examples
Referring to fig. 1 to 9, in order to solve the problem that the resistance of the resistor is biased due to the adhesion of the melting layer generated by the excessive heat to the connection terminal 103, a connection assembly is further provided at one side of the inside of the protection frame 20, the connection assembly includes a fixing frame 301 and a connection block 302, and the fixing frame 301 is located inside the protection frame 20 and is disposed at one side of the resistor body 10, the inside of the fixing frame 301 is slidably provided with a connection block 302, and the two sides of the inside of the fixed frame 301 are respectively provided with a movable sleeve 303, the upper side and the lower side of the inside of the connecting block 302 are respectively provided with a clamping piece 304, and a mounting frame 305 is provided on one side of the connection block 302, one sides of the upper and lower clamping pieces 304 are respectively slidably connected with the upper and lower sides of one side of the mounting frame 305, a connection post 306 is provided on one side of the connection block 302 close to the resistor body 10, and both ends of the connection post 306 are connected to the connection terminal 103 and one side of the mounting frame 305, wherein the mounting frame 305 and the clamping piece 304 are both communication guide pieces, so as to realize the electrical connection between the cable and the resistor, and one end of the connecting post 306 is connected with the movable connecting terminal 103, in addition, two clips 304 inside the connection block 302 are connected to the cable, allowing electrical connection between the cable and the resistor body 10, meanwhile, a temperature sensor b is arranged at one end of the cable, the temperature of the cable is monitored in real time by the temperature sensor b, a high temperature threshold value is preset in the temperature sensor b, upon detecting that the temperature at one end of the cable reaches the high temperature threshold, the two clips 304 are simultaneously separated from the cable surface, thereby cutting off the connection between the cable and the resistor body 10, solving the problem of producing a melting layer between the connecting post 306 and the connecting terminal 103 due to excessive heat, and reducing the influence on the resistance value of the resistor body 10.
As a further aspect of the above embodiment of the present invention: the top and the bottom of the connecting block 302 are respectively provided with a control component, the control components comprise a fixed block 401, one side of the fixed block 401 is fixedly connected with one side of the connecting block 302, the inside of the fixed block 401 is provided with a movable plate 402 in a sliding manner, one side of the movable plate 402 and one side of the inner wall of the fixed block 401 are respectively provided with an electromagnet 403, the inside of the fixed block 401 is also provided with a control frame 404 in a sliding manner, a spring 405 is arranged between one side of the control frame 404 and one side of the movable plate 402, one side of the control frame 404 extends to the inside of the connecting block 302, one side of the control frame 404 is fixedly connected with one side of the clamping piece 304, when the cable system and the resistor body 10 are in normal operation, two electromagnets 403 are electrified at the same polarity at the same time, the movable plate 402 is pushed to slide towards one side of the control frame 404, one side of the movable plate 402 pushes the control frame 404 to slide to the outside of the fixed block 401 through the spring 405, one side of the control frame 404 pushes the clamping piece 304 to clamp the surface of the cable, after the temperature sensor b detects that the temperature of one end of the cable reaches a high temperature threshold value, the electromagnet 403 on one side of the movable plate 402 is powered off, the electromagnet 403 on one side of the movable plate 402 is attracted by the electromagnet 403 on one side of the inner wall of the fixed block 401, thereby one side of the control frame 404 slides into the fixed block 401, one side of the control frame 404 is utilized to drive the clamping piece 304 to be separated from the surface of the cable, the connection between the cable and the resistor body 10 is cut off, and a melting layer is avoided between the connecting column 306 and the connecting terminal 103 and between the clamping piece 304 and the cable due to overhigh heat, so that the use safety of the resistor is ensured.
As a further aspect of the above embodiment of the present invention: the inside symmetry of mount 301 is provided with two lag 501, and the inside both sides of mount 301 all are provided with fixed cover 502, one side of two lag 501 extends to the inside of two fixed covers 502 respectively, and the inside of two fixed covers 502 all is connected with the one end that is provided with elastic component 503, the one end of elastic component 503 is located the inside of two lag 501, the inside upper and lower side of connecting block 302 all is provided with fixture block 504, and the both sides of two fixture block 504 are connected with the surface of two lag 501 respectively, utilize fixture block 504 to connect spacingly in the inside of connecting block 302 to two lag 501, protect the inside of protection frame 20 through lag 501 to the cable, avoid the cable to influence the normal work of cable path and the connection stability between clamping piece 304 to cable and the resistor at the inside surface adhesion dust of protection frame 20.
As a further aspect of the above embodiment of the present invention: an electric slipway 505 is arranged on one side of the inside of the fixing frame 301, a connecting plate 506 is arranged on one side of the connecting block 302, which is close to the electric slipway 505, and one side of the connecting plate 506 is fixedly connected with one side of the electric slipway 505, and the electric slipway 505 is utilized to drive the connecting block 302 to slide in the inside of the fixing frame 301 through the connecting plate 506, so that the connecting post 306 is controlled to drive the connecting terminal 103 to slide on the surface of the resistor body 101, and the effect of changing the resistance value of the resistor in a cable circuit is realized.
Examples
Referring to fig. 1-9, a cable safety protection resistor operates as follows:
When the resistor is used, the connecting gears 204 are driven to rotate by the output shafts of the steering motors 203, the rotating shafts 202 are rotated by utilizing the meshing relationship of the two connecting gears 204, the rotating shafts 202 drive the tops of the rotating frames 201 to rotate towards the outer sides of the protective frames 20 along the bottoms of the side plates 30, the space inside the protective frames 20 is increased, meanwhile, the two heat dissipation frames 205 on one side of the rotating frames 201 slide out of the interior of the protective frames 20, at the moment, the bottoms of the two heat dissipation frames 205 are in contact with the top surface of the bottom plate 40, meanwhile, the heat dissipation holes 206 inside the heat dissipation frames 205 are communicated with the interior and the exterior of the protective frames 20, and the heat inside the protective frames 20 is discharged through the heat dissipation holes 206, so that the passive heat dissipation of the heat inside the resistor body 10 is realized;
The temperature inside the protective frame 20 is monitored in real time according to the temperature sensor a, a high temperature threshold value and a low temperature threshold value are set in the temperature sensor a, after the temperature inside the protective frame 20 reaches the temperature threshold value, working signals are sent to the steering motor 203, the electric push rod and the radiator 207, the electric push rod drive shaft drives the baffle 208 to slide into the inside of the protective frame 20, the two radiators 207 start to work, meanwhile, the output shaft of the steering motor 203 rotates the top of the rotating frame 201 to the outside of the protective frame 20 along the bottom of the side plate 30 through the two connecting gears 204 and the rotating shaft 202, the two radiating frames 205 on one side of the rotating frame 201 slide out of the inside of the protective frame 20, and the two radiators 207 discharge heat inside the protective frame 20 through the radiating holes 206 inside the radiating frames 205, so that active heat dissipation of the heat inside the resistor body 10 is realized;
through connecting one end of the connecting post 306 with the movable connecting terminal 103, in addition, two clamping pieces 304 in the connecting block 302 are connected with the cable, so that the cable is electrically connected with the resistor body 10, meanwhile, a temperature sensor b is arranged at one end of the cable, the temperature of the cable is monitored in real time by the temperature sensor b, a high-temperature threshold value is preset in the temperature sensor b, after the temperature of one end of the cable reaches the high-temperature threshold value, the electromagnet 403 at one side of the movable plate 402 is powered off, the electromagnet 403 at one side of the movable plate 402 is attracted by the electromagnet 403 at one side of the inner wall of the fixed block 401, one side of the control frame 404 slides into the fixed block 401, the clamping pieces 304 are driven to be separated from the surface of the cable by one side of the control frame 404, and the connection between the cable and the resistor body 10 is cut off, and a melting layer caused by overhigh heat between the connecting post 306 and the connecting terminal 103 and the clamping pieces 304 and the cable is avoided;
When the resistance of the cable line is regulated, the electric slipway 505 is utilized to drive the connecting block 302 to slide in the fixing frame 301 through the connecting plate 506, so that the connecting post 306 is controlled to drive the connecting terminal 103 to slide on the surface of the resistor body 101, and the effect of changing the resistance of the resistor in the cable line is realized.
And all that is not described in detail in this specification is well known to those skilled in the art.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a cable safety protection formula resistor, includes resistor body (10) and protection frame (20), resistor body (10) set up in the inside of protection frame (20), its characterized in that: the two sides of the protection frame (20) are movably provided with side plates (30), two heat dissipation components are arranged at the bottoms of the side plates (30), one sides of the two heat dissipation components are slidably connected with the inside of the protection frame (20), the heat dissipation components comprise rotating frames (201), the tops of the rotating frames (201) are rotatably connected with the bottoms of the side plates (30), two heat dissipation frames (205) are symmetrically arranged on one side, close to the protection frame (20), of the rotating frames (201), one side of each heat dissipation frame (205) is slidably connected with two sides of the inner wall of the protection frame (20), a plurality of heat dissipation holes (206) for exhausting are formed in the heat dissipation frames (205), and two heat dissipaters (207) for active heat dissipation are symmetrically arranged on two sides of the tops of the protection frame (20).
The inside one side of protection frame (20) still is provided with coupling assembling, coupling assembling includes mount (301) and connecting block (302), and mount (301) are located the inside one side of just setting at resistor body (10) of protection frame (20), the inside slip of mount (301) is provided with connecting block (302), and the inside both sides of mount (301) all are provided with movable sleeve (303), the inside upside down side of connecting block (302) all is provided with clamping piece (304), and one side of connecting block (302) is provided with mounting bracket (305), upper and lower two one side of clamping piece (304) respectively with the upper and lower sliding connection of mounting bracket (305) one side, one side that connecting block (302) is close to resistor body (10) is provided with spliced pole (306), and the inside with inside of connecting terminal (103) and mounting bracket (305) are connected respectively to the both ends of spliced pole (306).
The resistor body (10) comprises a resistor body (101), two frameworks (102) and two connecting terminals (103), wherein the frameworks (102) are symmetrically arranged on two sides of the resistor body (101), the connecting terminals (103) are arranged on two sides of the surface of the resistor body (101), and the connecting terminals (103) on the right side are arranged on the surface of the resistor body (101) in a sliding mode.
2. A cable safety protection resistor according to claim 1, wherein: the bottom of protection frame (20) is provided with bottom plate (40), the both sides of protection frame (20) bottom and the inside both sides joint of bottom plate (40), and the draw-in groove has all been seted up to the both sides of bottom plate (40) inside, the recess with skeleton (102) matched with is all seted up to the both sides of protection frame (20) bottom, and one side of two skeletons (102) all extends to the outside of protection frame (20).
3. A cable safety protection resistor according to claim 1, wherein: the top of rotating frame (201) is provided with axis of rotation (202), and the both ends of axis of rotation (202) are connected with the both sides rotation of protection frame (20) inner wall respectively, one side of protection frame (20) inner wall is provided with steering motor (203), and the surface of steering motor (203) output shaft all is provided with linking gear (204) that mesh with one end of axis of rotation (202).
4. A cable safety protection resistor according to claim 1, wherein: the top of two radiator (207) all slides and is provided with baffle (208), two one side of baffle (208) all with the inside sliding connection of protection frame (20), and one side of two baffles (208) all is through setting up at the inside electric putter drive of protection frame (20).
5. A cable safety protection resistor according to claim 1, wherein: the top and the bottom of connecting block (302) all are provided with control assembly, control assembly includes fixed block (401), and one side of fixed block (401) and one side fixed connection of connecting block (302), the inside slip of fixed block (401) is provided with fly leaf (402), and one side of fly leaf (402) and one side of fixed block (401) inner wall all are provided with electro-magnet (403).
6. The cable safety protection resistor of claim 5, wherein: the inside of fixed block (401) is provided with control frame (404) still in a sliding way, and is provided with spring (405) between one side of control frame (404) and one side of fly leaf (402), one side of control frame (404) extends to the inside of connecting block (302), and one side of control frame (404) and one side fixed connection of clamping piece (304).
7. A cable safety protection resistor according to claim 1, wherein: the inside symmetry of mount (301) is provided with two lag (501), and the inside both sides of mount (301) all are provided with fixed cover (502), two one side of lag (501) extends to the inside of two fixed covers (502) respectively, and the inside of two fixed covers (502) all with be provided with elastic component (503), the one end of elastic component (503) is connected with the one end of lag (501), and wherein the one end of cable is located the inside of two lag (501).
8. The cable safety protection resistor of claim 7, wherein: the inside upside of connecting block (302) is provided with fixture block (504) down, and the both sides of two fixture blocks (504) are connected with the surface of two lag (501) respectively, and two fixture blocks (504) are used for being connected between two lag (501), and two clamping pieces (304) are located the inside slip setting of two fixture blocks (504) respectively simultaneously.
9. A cable safety protection resistor according to claim 1, wherein: an electric sliding table (505) is arranged on one side of the inside of the fixing frame (301), a connecting plate (506) is arranged on one side, close to the electric sliding table (505), of the connecting block (302), and one side of the connecting plate (506) is fixedly connected with one side of the electric sliding table (505).
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| CN202310188975.0A CN115938697B (en) | 2023-03-02 | 2023-03-02 | Cable safety protection type resistor |
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| CN202310188975.0A CN115938697B (en) | 2023-03-02 | 2023-03-02 | Cable safety protection type resistor |
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| CN115938697B true CN115938697B (en) | 2024-04-30 |
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| KR960003305U (en) * | 1994-06-25 | 1996-01-22 | 동아전기부품 주식회사 | Resistor for adjusting motor rotation speed |
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| CN115938697A (en) | 2023-04-07 |
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