CN211237462U - Power protection short circuiter for teaching purpose - Google Patents
Power protection short circuiter for teaching purpose Download PDFInfo
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- CN211237462U CN211237462U CN201922329563.6U CN201922329563U CN211237462U CN 211237462 U CN211237462 U CN 211237462U CN 201922329563 U CN201922329563 U CN 201922329563U CN 211237462 U CN211237462 U CN 211237462U
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Abstract
The utility model discloses a power protection short circuiter of teaching usage, include the casing, insert mouth, lid, connect export and current detection circuit, the central point of casing bottom puts the department and installs current detection circuit, and the casing bottom of current detection circuit both sides all is equipped with heat radiation structure to install drive control circuit on the casing inner wall of current detection circuit top, drive control circuit's input and current detection circuit's output electric connection, the casing inner wall of drive control circuit one side is installed high power switch, and high power switch's input and drive control circuit's output electric connection, and high power switch keeps away from and is equipped with on the shells inner wall of drive control circuit one side and connect the export. The utility model discloses not only improve the convenience when the short circuiter uses, the inside circuit of casing receives the phenomenon of erosion when having avoided the short circuiter to use, has prolonged the life of short circuiter moreover.
Description
Technical Field
The utility model relates to a power protection short circuiter technical field specifically is a power protection short circuiter of teaching purpose.
Background
The power protection short circuiter is suitable for course experiments such as colleges and universities, middle-time schools, technical and technical colleges, technical and electrical engineering principles and the like, is an important tool for practice and teaching, and can be used in all industries due to good comprehensive performance.
The types of short-circuiting devices on the market are various and can basically meet the use requirements of people, but certain defects still exist, and the specific problems are as follows.
(1) The existing short-circuiting device is inconvenient to disassemble and assemble quickly, so that the efficiency is general and the short-circuiting device is very inconvenient to explain;
(2) the existing short-circuiting device is inconvenient for dust prevention treatment, so that external dust easily enters the interior of the shell through the air vent and erodes the circuit in the shell;
(3) the existing short-circuiting device is inconvenient for efficient heat dissipation treatment, so that the phenomenon of burning out easily occurs due to high temperature, and the service life is short.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a power protection short circuiter of teaching usage to it decomposes, is not convenient for carry out dustproof processing and is not convenient for carry out the problem of high-efficient heat dissipation processing not to provide the quick assembly disassembly of short circuiter in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a power protection short-circuiting device for teaching comprises a shell, an access port, a cover body, an access port and a current detection circuit, wherein the current detection circuit is arranged at the center of the bottom of the shell, the bottom of the shell at the two sides of the current detection circuit is provided with a heat dissipation structure, a drive control circuit is arranged on the inner wall of the shell above the current detection circuit, the input end of the drive control circuit is electrically connected with the output end of the current detection circuit, a high-power switch is arranged on the inner wall of the shell at one side of the drive control circuit, the input end of the high-power switch is electrically connected with the output end of the drive control circuit, an access port is arranged on the inner wall of the shell at one side of the high-power switch, the end of the access port extends to the outside of the shell, the other end of the access port is electrically connected with the outer wall of the high-power, the one end of accessing the mouth extends to the outside of casing, and the other end of accessing the mouth passes through the wire and is connected with current detection circuit's top electricity, the lid is installed at the top of casing, and the turning position department of lid bottom all is equipped with the dismouting structure to the both sides on lid top all are equipped with the blow vent, and the bottom of blow vent extends to the inside of casing, and the lid top of blow vent position department all is equipped with dustproof construction.
Preferably, the inside of dismouting structure is equipped with in proper order and presses handle, briquetting, carriage, dovetail groove, piston piece, L type block, a location section of thick bamboo, composite spring, discount, catching groove and expanding spring, all be fixed with two sets of carriages on two inside walls at casing top, and be equipped with the catching groove on the inner wall of carriage one side to the internally mounted of carriage has L type block, and the top of L type block extends to the outside of carriage and with the bottom fixed connection of lid, is equipped with the dovetail groove on the outer wall of L type block one side.
Preferably, be fixed with a location section of thick bamboo on the inner wall of dovetail groove one side, the inside one side of a location section of thick bamboo is equipped with the piston piece, and is equipped with compound spring on the outer wall of piston piece one side, and compound spring keeps away from the one end of piston piece and the inner wall fixed connection of a location section of thick bamboo to be equipped with the discount on the outer wall of compound spring one side is kept away from to the piston piece, the one end that the discount was kept away from the piston piece extends to the inside of catching groove.
Preferably, the inside briquetting that is equipped with of catching groove of discount one side, and the briquetting is kept away from and is fixed with the pressure handle on the outer wall of discount one side, and the one end that the briquetting was kept away from to the pressure handle extends to the outside of casing to all be equipped with expanding spring on the briquetting outer wall of pressure handle both sides, expanding spring keeps away from the one end of pressing the handle and the inner wall fixed connection of catching groove.
Preferably, dustproof mesh, fan-shaped locating frame and fan-shaped groove of agreeing with are equipped with in proper order to dustproof construction's inside, the top of blow vent is equipped with dustproof mesh, and the lid top in the dustproof mesh outside is equipped with equidistant fan-shaped locating frame to all be equipped with fan-shaped groove of agreeing with on the dustproof mesh outer wall between the adjacent fan-shaped locating frame.
Preferably, the heat radiation structure is internally provided with a heat collection plate, a heat radiation fin ring and a heat radiation fin column in sequence, the bottom of the shell on two sides of the current detection circuit is provided with the heat radiation fin ring, the outer wall of the heat radiation fin ring on the side far away from the current detection circuit is provided with two groups of heat radiation fin columns, one end of the heat radiation fin column far away from the heat radiation fin ring extends to the outside of the shell, and the surface of the heat radiation fin column is sleeved with two groups of heat collection plates.
Compared with the prior art, the beneficial effects of the utility model are that: the power protection short-circuiting device for teaching not only improves the convenience of the short-circuiting device in use, avoids the phenomenon that a circuit in a shell is corroded in use of the short-circuiting device, but also prolongs the service life of the short-circuiting device;
(1) by arranging the pressing handle, the pressing block, the bearing frame, the trapezoidal groove, the piston piece, the L-shaped block body, the positioning barrel, the composite spring, the buckle head, the buckle groove and the telescopic spring, the pressing handle is pressed to drive the pressing block to translate and push the buckle head due to the telescopic action of the telescopic spring, and meanwhile, the composite spring has good elastic action, so that the piston piece translates in the positioning barrel and the buckle head is separated from the inside of the buckle groove;
(2) by arranging the dustproof mesh, the fan-shaped positioning frame and the fan-shaped matching groove, calibrating the fan-shaped matching groove on the fan-shaped positioning frame, and then pressing and rotating the dustproof mesh, the dustproof mesh can be arranged at the top end of the shell at the position of the vent hole, so that the phenomenon that external dust enters the shell from the vent hole is reduced, and the circuit in the shell is corroded when the short-circuiting device is used is avoided;
(3) the heat collecting plate, the radiating fin ring and the radiating fin column are arranged, the radiating fin ring is used for collecting heat energy inside the shell, after the heat collecting plate is used for amplifying the heat conducting performance of the radiating fin column, the radiating fin column is used for guiding the heat energy collected by the radiating fin ring out of the shell, so that efficient radiating treatment is carried out on the heat energy, the phenomenon that the short-circuit device is burnt due to high temperature is reduced, and the service life of the short-circuit device is prolonged.
Drawings
Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;
FIG. 2 is a schematic view of the sectional view of the detachable structure of the present invention;
FIG. 3 is a schematic view of the dustproof structure of the present invention showing an enlarged structure from above;
fig. 4 is a schematic view of the heat dissipation structure of the present invention with a cross-sectional view and an enlarged structure.
In the figure: 1. a housing; 2. an access port; 3. a disassembly and assembly structure; 301. pressing the handle; 302. briquetting; 303. a bearing frame; 304. a trapezoidal groove; 305. a piston plate; 306. an L-shaped block body; 307. a positioning cylinder; 308. a compound spring; 309. buckling a head; 310. buckling grooves; 311. a tension spring; 4. a cover body; 5. a dust-proof structure; 501. a dust-proof mesh sheet; 502. a fan-shaped positioning frame; 503. a fan-shaped fit groove; 6. a vent; 7. a receiving port; 8. a heat dissipation structure; 801. a heat collecting plate; 802. a heat dissipation fin ring; 803. a heat dissipation fin column; 9. a high power switch; 10. a current detection circuit; 11. a drive control circuit.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides an embodiment: a power protection short-circuit device for teaching purpose comprises a shell 1, an access port 2, a cover body 4, an access port 7 and a current detection circuit 10, wherein the current detection circuit 10 is installed at the central position of the bottom of the shell 1, heat dissipation structures 8 are arranged at the bottoms of the shell 1 on two sides of the current detection circuit 10, heat collection plates 801, heat dissipation fin rings 802 and heat dissipation fins 803 are sequentially arranged inside the heat dissipation structures 8, the bottoms of the shell 1 on two sides of the current detection circuit 10 are provided with the heat dissipation fin rings 802, two groups of heat dissipation fins 803 are arranged on the outer wall of one side, away from the current detection circuit 10, of the heat dissipation fin rings 802, one end, away from the heat dissipation fin rings 802, of the heat dissipation fin 803 extends to the outside of the shell 1, and two groups of heat collection plates 801 are;
the heat energy in the shell 1 is collected through the heat dissipation fin ring 802, after the heat collection plate 801 amplifies the heat conduction performance of the heat dissipation fin column 803, the heat energy collected by the heat dissipation fin ring 802 is led out to the outside of the shell 1 through the heat dissipation fin column 803, so that the efficient heat dissipation treatment is performed on the heat energy, the phenomenon that the heat energy is burnt due to high temperature is reduced, and the service life of the short-circuit device is prolonged;
a drive control circuit 11 is arranged on the inner wall of the shell 1 above the current detection circuit 10, the input end of the drive control circuit 11 is electrically connected with the output end of the current detection circuit 10, a high-power switch 9 is arranged on the inner wall of the shell 1 at one side of the drive control circuit 11, the input end of the high-power switch 9 is electrically connected with the output end of the drive control circuit 11, an outlet 7 is arranged on the inner wall of the shell 1 at one side of the high-power switch 9 away from the drive control circuit 11, one end of the outlet 7 extends to the outside of the shell 1, the other end of the outlet 7 is electrically connected with the outer wall of the high-power switch 9 through a lead, an access port 2 is arranged on the inner wall of the shell 1 at one side of the drive control circuit 11 away from the high-power switch 9, one end of the access port 2 extends to the outside, the top of the shell 1 is provided with a cover 4, the corners of the bottom of the cover 4 are all provided with a dismounting structure 3, the dismounting structure 3 is internally provided with a pressing handle 301, a pressing block 302, a bearing frame 303, a trapezoidal groove 304, a piston sheet 305, an L-shaped block 306, a positioning cylinder 307, a compound spring 308, a buckle 309, a buckle 310 and a telescopic spring 311 in sequence, two groups of bearing frames 303 are fixed on two inner side walls of the top of the shell 1, the inner wall of one side of the bearing frame 303 is provided with the buckle 310, the bearing frame 303 is internally provided with the L-shaped block 306, the top end of the L-shaped block 306 extends to the outside of the bearing frame 303 and is fixedly connected with the bottom of the cover 4, the outer wall of one side of the L-shaped block 306 is provided with the trapezoidal groove 304, the inner wall of one side of the trapezoidal groove 304 is fixed with the positioning cylinder 307, one side of the inside of the positioning cylinder 307 is provided with, one end of the composite spring 308, which is far away from the piston plate 305, is fixedly connected with the inner wall of the positioning cylinder 307, a buckle 309 is arranged on the outer wall of one side, which is far away from the composite spring 308, of the piston plate 305, one end, which is far away from the piston plate 305, of the buckle 309 extends into the buckle groove 310, a press block 302 is arranged inside the buckle groove 310 on one side of the buckle 309, a press handle 301 is fixed on the outer wall of one side, which is far away from the buckle 309, of the press block 302, one end, which is far away from the press block 302, of the press handle 301 extends to the outside of the shell 1, telescopic springs 311 are arranged on the outer walls of the press blocks 302 on the two sides of the press handle 301;
by pressing the pressing handle 301, the pressing handle 301 drives the pressing block 302 to translate and push the buckle 309 due to the telescopic action of the telescopic spring 311, and meanwhile, due to the good elastic action of the composite spring 308, the piston sheet 305 translates inside the positioning cylinder 307, the buckle 309 is separated from the inside of the buckle groove 310, and the cover body 4 is lifted up, so that the L-shaped block 306 can be quickly detached inside the bearing frame 303, the L-shaped block can be quickly detached, disassembled and disassembled, the teaching efficiency during teaching is improved, and the convenience during use of the short-circuiting device is improved;
through with fan-shaped fit groove 503 calibration in fan-shaped locating frame 502, press and rotate dustproof net piece 501 afterwards, can install dustproof net piece 501 in the casing 1 top of air vent 6 position department to reduce the inside that external dust got into casing 1 by air vent 6, the phenomenon that the inside circuit of casing 1 received the erosion when avoiding the short circuiter to use.
The working principle is as follows: when the short-circuit device is used, firstly, an external power supply is connected through the inlet 2, and is connected to external equipment through the outlet 7, the power supply is transmitted to the current detection circuit 10 through a conducting wire, the current detection circuit 10 detects the magnitude of current, then the current is sequentially transmitted to the driving control circuit 11 and the high-power switch 9, and is transmitted to the external equipment through the outlet 7, if the current value is high, the high-power switch 9 automatically cuts off the current so as to automatically protect the current, then the heat energy in the shell 1 is collected through the heat dissipation fin ring 802, after the heat conduction performance of the heat dissipation fin column 803 is amplified through the heat collection plate 801, the heat energy collected by the heat dissipation fin ring 802 is led out of the shell 1 through the heat dissipation fin column 803 so as to carry out efficient heat dissipation treatment on the heat dissipation fin column 803, the phenomenon of burning due to high temperature is reduced, and the service life of the short-circuit device is prolonged, then, the fan-shaped fitting groove 503 is calibrated on the fan-shaped positioning frame 502, then the dustproof mesh sheet 501 is pressed and rotated, so that the dustproof mesh sheet 501 can be installed at the top end of the shell 1 at the position of the vent 6, the external dust is prevented from entering the interior of the shell 1 through the vent 6, the phenomenon that a circuit inside the shell 1 is corroded when the short-circuit device is used is avoided, finally, the pressing handle 301 is pressed, the pressing handle 301 drives the pressing block 302 to translate and push the button head 309 under the telescopic action of the telescopic spring 311, meanwhile, the piston sheet 305 translates inside the positioning cylinder 307 under the good elastic action of the composite spring 308, the button head 309 is separated from the interior of the buckle groove 310, the cover body 4 is lifted up, the L-shaped block 306 can be quickly separated from the inside of the bearing frame 303, so as to carry out quick disassembly and disassembly treatment on the bearing frame 303, the teaching efficiency during teaching is enhanced, and the convenience during use of the short-circuit device is improved, thereby completing the use of the crowbar.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a power protection short circuiter of teaching purpose, includes casing (1), inserts mouth (2), lid (4), connects export (7) and current detection circuit (10), its characterized in that: the shell is characterized in that a current detection circuit (10) is installed at the center of the bottom of the shell (1), heat dissipation structures (8) are arranged at the bottoms of the shells (1) on two sides of the current detection circuit (10), a drive control circuit (11) is installed on the inner wall of the shell (1) above the current detection circuit (10), the input end of the drive control circuit (11) is electrically connected with the output end of the current detection circuit (10), a high-power switch (9) is installed on the inner wall of the shell (1) on one side of the drive control circuit (11), the input end of the high-power switch (9) is electrically connected with the output end of the drive control circuit (11), a connection outlet (7) is arranged on the inner wall of the shell (1) on the side, far away from the drive control circuit (11), one end of the connection outlet (7) extends to the outside of the shell (1), and the other end of the connection outlet (7) is electrically connected with the outer wall of the high-power switch (9, and be equipped with on drive control circuit (11) keep away from casing (1) inner wall on one side of high-power switch (9) and insert mouthful (2), the one end of inserting mouthful (2) extends to the outside of casing (1), and the other end that inserts mouthful (2) passes through the wire to be connected with the top electricity of current detection circuit (10), lid (4) are installed at the top of casing (1), and the turning position department of lid (4) bottom all is equipped with dismouting structure (3) to the both sides on lid (4) top all are equipped with blow vent (6), and the bottom of blow vent (6) extends to the inside of casing (1), and lid (4) top of blow vent (6) position department all is equipped with dustproof construction (5).
2. A teaching-purpose power protection crowbar as recited in claim 1, wherein: the inside of dismouting structure (3) is equipped with in proper order and presses handle (301), briquetting (302), carriage (303), dovetail groove (304), piston plate (305), L type block (306), a location section of thick bamboo (307), compound spring (308), discount (309), catching groove (310) and expanding spring (311), all be fixed with two sets of carriages (303) on two inside walls at casing (1) top, and be equipped with catching groove (310) on the inner wall of carriage (303) one side to the internally mounted of carriage (303) has L type block (306), and the top of L type block (306) extends to the outside of carriage (303) and with the bottom fixed connection of lid (4), is equipped with dovetail groove (304) on the outer wall of L type block (306) one side.
3. A teaching-purpose power protection crowbar as claimed in claim 2, wherein: be fixed with a location section of thick bamboo (307) on the inner wall of dovetail groove (304) one side, the inside one side of a location section of thick bamboo (307) is equipped with piston piece (305), and be equipped with compound spring (308) on the outer wall of piston piece (305) one side, compound spring (308) keep away from the one end of piston piece (305) and the inner wall fixed connection of a location section of thick bamboo (307), and be equipped with discount (309) on the outer wall of compound spring (308) one side is kept away from in piston piece (305), the one end that discount (309) kept away from piston piece (305) extends to the inside of catching groove (310).
4. A teaching-purpose power protection crowbar as claimed in claim 3, wherein: inside briquetting (302) of being equipped with of catching groove (310) of discount (309) one side, and briquetting (302) are kept away from and are fixed with on the outer wall of discount (309) one side and press handle (301), press handle (301) to keep away from the outside that the one end of briquetting (302) extended to casing (1) to all be equipped with expanding spring (311) on briquetting (302) outer wall of pressing handle (301) both sides, expanding spring (311) are kept away from the one end of pressing handle (301) and the inner wall fixed connection of catching groove (310).
5. A teaching-purpose power protection crowbar as recited in claim 1, wherein: the dustproof structure is characterized in that a dustproof mesh piece (501), a fan-shaped positioning frame (502) and a fan-shaped conjunction groove (503) are sequentially arranged inside the dustproof structure (5), the dustproof mesh piece (501) is arranged above the air vent (6), the top end of the cover body (4) on the outer side of the dustproof mesh piece (501) is provided with the fan-shaped positioning frame (502) at equal intervals, and the fan-shaped conjunction groove (503) is formed in the outer wall of the dustproof mesh piece (501) between the adjacent fan-shaped positioning frames (502).
6. A teaching-purpose power protection crowbar as recited in claim 1, wherein: the heat dissipation structure (8) is internally provided with heat collection plates (801), heat dissipation wing rings (802) and heat dissipation fins (803) in sequence, the bottoms of the shells (1) at the two sides of the current detection circuit (10) are respectively provided with the heat dissipation wing rings (802), the heat dissipation wing rings (802) are far away from the outer wall of one side of the current detection circuit (10) and are provided with two sets of heat dissipation fins (803), one end of each heat dissipation fin (803), far away from the heat dissipation wing rings (802), extends to the outside of the shell (1), and the surface of each heat dissipation fin (803) is sleeved with two sets of heat collection plates (801).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922329563.6U CN211237462U (en) | 2019-12-23 | 2019-12-23 | Power protection short circuiter for teaching purpose |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922329563.6U CN211237462U (en) | 2019-12-23 | 2019-12-23 | Power protection short circuiter for teaching purpose |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211237462U true CN211237462U (en) | 2020-08-11 |
Family
ID=71937637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922329563.6U Active CN211237462U (en) | 2019-12-23 | 2019-12-23 | Power protection short circuiter for teaching purpose |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211237462U (en) |
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2019
- 2019-12-23 CN CN201922329563.6U patent/CN211237462U/en active Active
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