CN114284116B - Electric switch based on magnetism protection - Google Patents
Electric switch based on magnetism protection Download PDFInfo
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- CN114284116B CN114284116B CN202210209386.1A CN202210209386A CN114284116B CN 114284116 B CN114284116 B CN 114284116B CN 202210209386 A CN202210209386 A CN 202210209386A CN 114284116 B CN114284116 B CN 114284116B
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Abstract
The invention provides an electric switch based on magnetic protection, which comprises: the device comprises a fixed shell, a knob touch piece, a first elastic piece, a limiting assembly and an electromagnet; when the knob contact piece is rotated forward to enable the first clamping portion to be clamped with the limiting assembly, the positive electrode access position is electrically connected with the positive electrode output position through the conductive contact piece, when the current of the positive electrode access position is larger than a preset value, the electromagnet is activated and adsorbs the other end of the limiting assembly to slide towards the electromagnet, so that the first clamping portion is separated from being clamped with one end of the limiting assembly, and the first elastic piece drives the knob contact piece to rotate reversely to break the electrical connection of the positive electrode access position and the positive electrode output position; the damage of external electrical appliances caused by the impact of large current is avoided.
Description
Technical Field
The invention relates to the technical field of electric switches, in particular to an electric switch based on magnetic protection.
Background
The air switch is one kind of electric switch, miniature circuit breaker and miniature circuit breaker, and has overload protection, short circuit protection and other functions.
And among the prior art, the electric switch all is used as the switch-on power supply, and plays the inside mechanism that possesses the protection of then needs of protection circuit effect, adopts the bimetallic strip to carry out overload protection usually among the domestic miniature circuit breaker, when electric current flows through the bimetallic strip, bimetallic strip itself and contact generate heat, cause the bimetallic strip to take place crooked deformation, after the electric current reaches certain degree, crooked deformation makes circuit breaker tripping device move, the power supply is cut off.
However, the bimetal overload protection device has the following problems:
1. the consistency of the action threshold and the action delay is poor because the contact resistance of the contact is difficult to control;
2. the contact resistance and the ambient temperature have a great influence on the action threshold of the circuit breaker, and aging and temperature drift are easy to occur.
For this reason, it is necessary to provide an electric switch based on magnetic protection to solve the above problems.
Disclosure of Invention
In order to solve the above problems, the present invention proposes an electric switch based on magnetic protection to solve the above problems.
The invention is realized by the following technical scheme:
the invention provides an electric switch based on magnetic protection, which comprises:
the fixing shell is provided with a first placing groove, a supporting column and a second placing groove, the supporting column is contained in the first placing groove, one side of the fixing shell is provided with a positive electrode access position and a positive electrode output position, and the positive electrode access position and the positive electrode output position both extend into the first placing groove;
the knob touch piece is rotatably connected with the support column and is partially accommodated in the first accommodating groove, and a conductive contact piece, a first clamping portion and a second clamping portion are arranged on the knob touch piece;
the first elastic piece is wound on the surface of the supporting column, one end of the first elastic piece is fixedly connected with the knob touch piece, and the other end of the first elastic piece is fixedly connected with the supporting column;
the limiting assembly is movably connected with the fixed shell in a lever mode and contained in the second placing groove, and one end of the limiting assembly extends into the first placing groove;
the electromagnet is fixedly accommodated in the second accommodating groove and is aligned with the other end of the limiting assembly, the electromagnet is electrically connected with the positive output position, a negative connecting position is arranged on one side of the fixed shell, and the negative connecting position is electrically connected with the electromagnet;
when the knob touch piece is rotated forward to enable the first clamping portion to be clamped with the limiting assembly, the positive electrode access position is electrically connected with the positive electrode output position through the conductive contact piece, when the current of the positive electrode access position is larger than a preset value, the electromagnet is activated and adsorbs the other end of the limiting assembly to slide towards the electromagnet, the first clamping portion is enabled to be disengaged from the clamping with one end of the limiting assembly, and then the first elastic piece drives the knob touch piece to rotate reversely to break the electrical connection of the positive electrode access position and the positive electrode output position.
Further, spacing subassembly includes fixture block, prying rod, adaptor, slider, second elastic component, the set casing is equipped with the sliding tray, the sliding tray respectively with first standing groove with the second standing groove switches on, the fixture block with the cell wall sliding connection and the part of sliding tray accept in the sliding tray and with first joint portion butt, prying rod one end with the fixture block is articulated, the central point of prying rod with the set casing rotates to be connected, the prying rod other end with adaptor one end is articulated, the adaptor other end with slider sliding connection, the slider with set casing sliding connection and with the electro-magnet aligns, second elastic component one end with slider one end butt, the second elastic component other end with the set casing butt.
Furthermore, the fixture block is provided with an inclined surface for guiding.
Furthermore, the central point of prying pole puts and is equipped with first connecting hole, the stationary housing is equipped with the second connecting hole, first connecting hole with the second connecting hole aligns.
Furthermore, a sliding block is arranged on the adapter piece, a sliding groove is arranged on the sliding piece, the extending direction of the sliding groove is perpendicular to the extending direction of a connecting line of the sliding piece and the electromagnet, and the sliding block is contained in the sliding groove.
Furthermore, be equipped with two guide boards on the set casing, two the guide board accept in the second standing groove, the slider is located two between the guide board and with guide board sliding connection.
Furthermore, an iron block is arranged at one end of the sliding part and faces the electromagnet.
Further, the positive electrode access position comprises a first fixing column, a third elastic piece and a first conducting rod, a first conductive connecting position and a first accommodating groove are formed in the first fixing column, the first conducting rod penetrates through the third elastic piece, the third elastic piece and the first conducting rod are contained in the first accommodating groove, one end of the third elastic piece is abutted against the first fixing column, the other end of the third elastic piece is abutted against the first conducting rod, and the first conducting rod is in sliding connection with the groove wall of the first accommodating groove and is electrically connected with the first conductive connecting position.
Further, the positive output position comprises a second fixing column, a fourth elastic piece and a second conducting rod, a second conductive connecting position and a second accommodating groove are formed in the second fixing column, the second conducting rod penetrates through the fourth elastic piece, the fourth elastic piece and the second conducting rod are contained in the second accommodating groove, one end of the fourth elastic piece is abutted against the second fixing column, the other end of the fourth elastic piece is abutted against the second conducting rod, and the second conducting rod is slidably connected with the groove wall of the second accommodating groove and electrically connected with the second conductive connecting position.
The invention has the beneficial effects that:
the limiting assembly is adsorbed by adopting an electromagnet adsorption mode, and then the knob touch piece is released to disconnect the positive electrode of the conducting wire; when the electric current in the outside conductor wire of the positive pole access position of access was too big, the electro-magnet was activated, the electric current that flows into in the electro-magnet this moment then can make the electro-magnet produce sufficient magnetic force and adsorb the slip with spacing subassembly, because spacing subassembly is on the set casing with the form swing joint of lever, when spacing subassembly one end slided towards the electro-magnet, spacing subassembly's the other end then reverse slip, first joint portion then breaks away from the block with spacing subassembly this moment, knob touchdown piece antiport under the drive of first elastic component, make electrically conductive contact piece break away from the contact with positive pole access position and positive output position, the positive pole of outside conductor wire then breaks off the circular telegram this moment, make outside electrical apparatus then can not suffer the impact of heavy current and damage.
Drawings
Figure 1 is an exploded view of a magnetic protection based electrical switch of the present invention;
figure 2 is a general schematic view of the magnetic protection based electrical switch of the present invention;
FIG. 3 is a schematic diagram of the magnetic protection based electrical switch of the present invention when the positive input and output terminals are connected;
FIG. 4 is a schematic diagram of the magnetic protection based electrical switch of the present invention with the positive input and output terminals disconnected;
figure 5 is a schematic view of a limit stop assembly of the magnetic protection based electrical switch of the present invention;
figure 6 is a schematic view of a stationary case of the magnetic protection based electrical switch of the present invention;
figure 7 is another perspective view of the stationary housing of the magnetic protection based electrical switch of the present invention;
figure 8 is a schematic view of a knob contact of the magnetic protection based electrical switch of the present invention;
FIG. 9 is a schematic view of the pry bar of the magnetic protection based electrical switch of the present invention;
figure 10 is a schematic view of an adapter of the magnetic protection based electrical switch of the present invention;
figure 11 is a schematic view of a slider of the magnetic protection based electrical switch of the present invention;
fig. 12 is a partially enlarged view of reference character a in fig. 1.
The reference numbers are as follows:
the fixing device comprises a fixed shell 1, a first placing groove 11, a support column 12, a second placing groove 13, a positive electrode access position 14, a first fixing column 141, a first conductive connecting position 1411, a first accommodating groove 1412, a third elastic piece 142, a first conductive rod 143, a positive electrode output position 15, a second fixing column 151, a second conductive connecting position 1511, a second accommodating groove 1512, a fourth elastic piece 152, a second conductive rod 153, a sliding groove 16, a second connecting hole 17, a guide plate 18 and a negative electrode connecting position 19;
a knob contact 2, a conductive contact piece 21, a first clamping part 22, a second clamping part 23 and a clamping plate 24;
a first elastic member 3;
the limiting assembly 4, the fixture block 41, the inclined surface 411, the prying rod 42, the first connecting hole 421, the adapter 43, the slider 431, the slider 44, the sliding groove 441, the iron block 442 and the second elastic element 45;
an electromagnet 5;
the cover 6 is fixed.
Detailed Description
In order to more clearly and completely describe the technical scheme of the invention, the invention is further described with reference to the accompanying drawings.
Referring to fig. 1-12, the present invention provides an electric switch based on magnetic protection, which includes:
the fixing device comprises a fixing shell 1, wherein a first placing groove 11, a support column 12 and a second placing groove 13 are arranged on the fixing shell 1, the support column 12 is contained in the first placing groove 11, a positive electrode access position 14 and a positive electrode output position 15 are arranged on one side of the fixing shell 1, and the positive electrode access position 14 and the positive electrode output position 15 both extend into the first placing groove 12;
the knob touch piece 2 is rotatably connected with the support column 12 and is partially accommodated in the first accommodating groove 11, and the knob touch piece 2 is provided with a conductive touch piece 21, a first clamping part 22 and a second clamping part 23;
the first elastic piece 3 is wound on the surface of the supporting column 12, one end of the first elastic piece 3 is fixedly connected with the knob touch piece 2, and the other end of the first elastic piece 3 is fixedly connected with the supporting column 12;
the limiting component 4 is movably connected with the fixed shell 1 in a lever mode and contained in the second placing groove 13, and one end of the limiting component 4 extends into the first placing groove 11;
the electromagnet 5 is fixedly contained in the second containing groove 13 and is aligned with the other end of the limiting component 4, and the electromagnet 5 is electrically connected with the positive electrode output position 15;
when the knob touch piece 2 is rotated forward to enable the first clamping portion 22 to be clamped with the limiting component 4, the positive electrode access position 14 is electrically connected with the positive electrode output position 15 through the conductive contact piece 21, when the current of the positive electrode access position 14 is larger than a preset value, the electromagnet 5 is activated and adsorbs the other end of the limiting component 4 to slide towards the electromagnet 5, the first clamping portion 22 is disengaged from the clamping with one end of the limiting component 4, and then the first elastic piece 3 drives the knob touch piece 2 to rotate reversely to disconnect the electric connection of the positive electrode access position 14 and the positive electrode output position 15.
In the present embodiment:
the fixed shell 1 is used for providing a stable supporting structure for the knob touch piece 2, the first elastic piece 3, the limiting component 4 and the electromagnet 5;
the first placement groove 11 is used to provide a placement space for the knob touch 2;
the support column 12 is used to provide a support structure for the knob contact 2 when it is turned;
the second placing groove 13 is used for providing a placing space for the limiting component 4 and the electromagnet 5;
the positive electrode access position 14 is used for being electrically connected with a positive electrode conducting wire of an external power supply;
the positive output bit 15 is used for electrically connecting with a positive conducting wire of an external device;
the knob touch piece 2 is used for rotating and driving the conductive contact piece 21 to be in contact with the positive electrode access position 14 and the positive electrode output position 15, so that the positive electrode access position 14 is electrically connected with the positive electrode output position 15, and the knob touch piece 2 is provided with a clamping plate 24 used for providing a user with rotation of the knob touch piece 2;
the conductive contact piece 21 is made of a solid metal material and is used for connecting the positive electrode access position 14 and the positive electrode output position 15;
the first clamping part 22 is used for clamping the limiting component 4, so that the knob touch piece 2 always stays at the position where the conductive touch piece 21 is contacted with the positive electrode access position 14 and the positive electrode output position 15;
the second clamping portion 23 is also used for clamping with the limiting component 4, after the electromagnet 5 adsorbs the limiting component 4 to enable the first clamping portion 22 to be separated from being clamped with the limiting component 4, the knob touch piece 2 is driven by the first elastic piece 3 to rotate reversely, when the knob touch piece rotates to the end, the second clamping portion 23 is clamped with the limiting component 4, and the knob touch piece 2 stops rotating;
the first elastic piece 3 is a spring and is used for driving the knob touch piece 2 to rotate reversely after the limiting component 4 is not clamped with the first clamping part 22;
the limiting component 4 is used for limiting the rotating position of the knob touch piece 2, so that the conductive contact piece 21 on the knob touch piece 2 can be continuously contacted with the positive electrode access position 14 and the positive electrode output position 15;
the electromagnet 5 is used for adsorbing one end of the limiting component 4, so that the other end of the limiting component 4 can be disengaged from the first clamping part 22;
specifically, the electric switch based on magnetic protection further comprises a fixed cover 6, wherein the fixed cover 6 is of an annular structure and is fixedly connected to the upper surface of the fixed shell 1, and one part of the fixed cover shields the outer ring of the knob contact 2, so that the knob contact 2 is stably accommodated in the first accommodating groove 11;
when the conductive contact piece 21 is contacted with the positive electrode access position 14 and the positive electrode output position 15, the positive electrode of the external conductive wire is connected, and a loop is formed after the connection;
when the current in the external conducting wire connected to the positive electrode access position 14 is normal current, the magnetic force generated by the electromagnet 5 is not enough to adsorb and slide the limiting component 4, and at the moment, the external electric appliance also operates normally;
when the current that inserts in the outside conductor wire of positive pole access position 14 is too big, electro-magnet 5 is activated, the current that flows into in electro-magnet 5 this moment then can make electro-magnet 5 produce sufficient magnetic force and adsorb slip with spacing subassembly 4, because spacing subassembly 4 is on set casing 1 with lever form swing joint, when spacing subassembly 4 one end slided towards electro-magnet 5, the other end of spacing subassembly 4 then reverse slip, first joint portion 22 then breaks away from the block with spacing subassembly 4 this moment, knob touch piece 2 reverse rotation under the drive of first elastic component 3, make conductive contact piece 21 break away from the contact with positive pole access position 14 and positive pole output position 15, the positive pole of outside conductor wire then breaks off the circular telegram this moment, outside electrical apparatus then can not suffer the impact of heavy current and damage.
Further, the limiting assembly 4 includes a fixture block 41, a prying rod 42, an adaptor 43, a slider 44, and a second elastic member 45, the fixing shell 1 is provided with a sliding groove 16, the sliding groove 16 is respectively communicated with the first placing groove 11 and the second placing groove 13, the fixture block 41 is slidably connected with a groove wall of the sliding groove 16 and is partially accommodated in the sliding groove 16 and abutted against the first clamping portion 22, one end of the prying rod 42 is hinged to the fixture block 41, the central position of the prying rod 42 is rotatably connected with the fixing shell 1, the other end of the prying rod 42 is hinged to one end of the adaptor 43, the other end of the adaptor 43 is slidably connected to the slider 44, the slider 44 is slidably connected with the fixing shell 1 and aligned with the electromagnet 5, one end of the second elastic member 45 is abutted against one end of the slider 44, and the other end of the second elastic member 45 is abutted against the fixing shell 1; the fixture block 41 is provided with a slope 411 for guiding; a first connecting hole 421 is formed in the center of the pry rod 42, a second connecting hole 17 is formed in the fixed shell 1, and the first connecting hole 421 is aligned with the second connecting hole 17; the adapter 431 is provided with a slide block 431, the sliding piece 44 is provided with a sliding groove 441, the extending direction of the sliding groove 441 is vertical to the extending direction of a connecting line of the sliding piece 44 and the electromagnet 5, and the slide block 431 is accommodated in the sliding groove 441; the fixed shell 1 is provided with two guide plates 18, the two guide plates 18 are accommodated in the second accommodating groove 13, and the sliding piece 44 is positioned between the two guide plates 18 and is connected with the guide plates 18 in a sliding manner; the slider 44 has an iron block 442 at one end, and the iron block 442 faces the electromagnet 5.
In the present embodiment:
the fixture block 41 is used for clamping with the first clamping part 22 or the second clamping part 23 in the knob contact piece 2;
the inclined surface 411 is used for providing a guiding structure for the fixture block 41 to slide along the reverse direction of the knob contact 2 when the knob contact 2 is rotated to make the conductive contact piece 21 contact with the positive electrode access position 14 and the positive electrode output position 15;
the prying rod 42 is used for driving the clamping block 41 to slide;
the first connection hole 421 is used for providing a connection structure for the pry bar 42 to be rotatably connected to the fixed case 1, and the first connection hole 421 is connected to the second connection hole 17 through an external latch;
the adaptor 43 is used for converting the sliding force of the slider 44 into a rotating force that drives the pry rod 42 to rotate;
the slider 431 is used for providing a structure for the adaptor 43 to be slidably connected with the slider 44;
the slider 44 is used for transmitting a rotating force to the pry bar 42 through the adaptor 43;
the sliding groove 441 is used for providing a sliding space for the sliding block 431;
the iron block 442 is used for providing a structure for the sliding member 44 to be attracted by the electromagnet 5;
the number of the second elastic pieces 45 is 2, the sliding piece 44 is located between the two second elastic pieces 45 and used for pushing the sliding piece 44 to be away from the electromagnet 5 when the electromagnet 5 does not generate magnetism after the positive electrode access position 14 is electrically disconnected with the positive electrode output position 15, namely, the sliding piece 44 is pushed to reset;
the sliding groove 16 is used for providing a sliding space for the fixture block 41;
the second connection hole 17 is used for aligning the first connection hole 421 and providing an insertion fixing structure for the external plug;
the guide plates 18 are 2 in number and are used for preventing the sliding piece 44 from being separated from the sliding connection with the fixed shell 1, and simultaneously enabling the sliding piece 44 to keep the aligned state with the electromagnet 5;
specifically, when the current of the external conducting wire connected to the positive electrode connecting position 14 is too large, the electromagnet 5 can generate enough magnetic force to attract the iron block 442, the sliding member 44 slides towards the electromagnet 5 when the iron block 442 is attracted, the sliding member 44 slides towards the electromagnet 5 to drive the adaptor 43 to move together, the adaptor 43 is hinged to the prying bar 42, when the adaptor 43 moves towards the electromagnet 5, one end of the prying bar 42 is driven to rotate towards the electromagnet 5 by using the first connecting hole 421 as a rotation center, at this time, the other end of the prying bar 42 pulls the fixture block 41 to slide towards the reverse direction of the knob contact 2, when the iron block 442 contacts with the electromagnet 5, the fixture block 41 is disengaged from the first engaging portion 22, at this time, the knob contact 2 is driven to rotate in the reverse direction by the first elastic member 3, the conducting contact piece 21 is disengaged from the contact with the positive electrode connecting position 14 and the positive electrode output position 15, the electromagnet 5 is powered off and demagnetized, the sliding member 44 slides in the opposite direction of the electromagnet 5 under the pushing of the second elastic member 45, the latch 41 slides in the direction of the knob contact 2, when the second engaging portion 23 engages with the latch 41, the sliding member 44 is at the farthest distance from the electromagnet 5, and the knob contact 2 stops rotating.
Further, the positive electrode access position 14 includes a first fixed column 141, a third elastic member 142, and a first conductive rod 143, the first fixed column 141 is provided with a first conductive connection position 1411 and a first accommodating groove 1412, the first conductive rod 143 penetrates through the third elastic member 142, the third elastic member 142 and the first conductive rod 143 are both accommodated in the first accommodating groove 1412, one end of the third elastic member 142 abuts against the first fixed column 141, the other end of the third elastic member 142 abuts against the first conductive rod 143, and the first conductive rod 143 is slidably connected with a groove wall of the first accommodating groove 1412 and is electrically connected with the first conductive connection position 1411; the positive output position 15 includes a second fixing column 151, a fourth elastic member 152, and a second conductive rod 153, the second fixing column 151 is provided with a second conductive connection position 1511 and a second accommodating groove 1512, the second conductive rod 153 penetrates through the fourth elastic member 152, the fourth elastic member 152 and the second conductive rod 153 are both accommodated in the second accommodating groove 1512, one end of the fourth elastic member 152 abuts against the second fixing column 151, the other end of the fourth elastic member 152 abuts against the second conductive rod 153, and the second conductive rod 153 is slidably connected with a groove wall of the second accommodating groove 1512 and is electrically connected with the second conductive connection position 1511.
In the present embodiment:
the first fixing post 141 is used for providing a stable supporting structure for the first conductive rod 143 and the third elastic element 142;
the first conductive connection site 1411 is used for connecting an external wire;
the first receiving groove 1412 is used for providing a placing space for the third elastic member 142 and the first conductive rod 143;
the third elastic member 142 is a spring for providing an elastic support structure for the first conductive rod 143;
the first conductive rod 143 is made of a solid metal material and is used for contacting the conductive contact piece 21;
the second fixing post 151 is used for providing a stable supporting structure for the second conductive rod 153 and the fourth elastic element 152;
the second conductive connection site 1511 is for connecting an external conductive line;
the second receiving groove 1512 is used for providing a space for placing the fourth elastic element 152 and the second conductive rod 153;
the fourth elastic member 152 is a spring for providing an elastic supporting structure for the second conductive rod 153;
the second conductive rod 153 is made of a solid metal material and is used for contacting the conductive contact piece 21;
specifically, when the conductive contact piece 21 is simultaneously abutted against the first conductive rod 143 and the second conductive rod 153, the third elastic member 142 and the fourth elastic member 152 are compressed, so that the contact stability between the first conductive rod 143 and the second conductive rod 153 and the conductive contact piece 21 can be enhanced, and the first conductive rod 143 and the second conductive rod 153 are prevented from temporarily coming out of contact with the conductive contact piece 21 due to external vibration.
Furthermore, a negative electrode connecting position 19 is arranged on one side of the fixed shell 1, and the negative electrode connecting position 19 is electrically connected with the electromagnet 5.
In the present embodiment:
the negative electrode connecting position 19 is used for connecting a negative electrode of an external power supply, so that the electromagnet 5 can normally operate.
Of course, the present invention may have other embodiments, and based on the embodiments, those skilled in the art can obtain other embodiments without any creative effort, and all of them are within the protection scope of the present invention.
Claims (9)
1. An electrical switch based on magnetic protection, comprising:
the fixing shell is provided with a first placing groove, a supporting column and a second placing groove, the supporting column is contained in the first placing groove, one side of the fixing shell is provided with a positive electrode access position and a positive electrode output position, and the positive electrode access position and the positive electrode output position both extend into the first placing groove;
the knob touch piece is rotatably connected with the support column and is partially accommodated in the first accommodating groove, and a conductive contact piece, a first clamping portion and a second clamping portion are arranged on the knob touch piece;
the first elastic piece is wound on the surface of the supporting column, one end of the first elastic piece is fixedly connected with the knob touch piece, and the other end of the first elastic piece is fixedly connected with the supporting column;
the limiting assembly is movably connected with the fixed shell in a lever mode and contained in the second placing groove, and one end of the limiting assembly extends into the first placing groove;
the electromagnet is fixedly accommodated in the second accommodating groove and is aligned with the other end of the limiting assembly, the electromagnet is electrically connected with the positive output position, a negative connecting position is arranged on one side of the fixed shell, and the negative connecting position is electrically connected with the electromagnet;
when the knob touch piece is rotated forward to enable the first clamping portion to be clamped with the limiting assembly, the positive electrode access position is electrically connected with the positive electrode output position through the conductive contact piece, when the current of the positive electrode access position is larger than a preset value, the electromagnet is activated and adsorbs the other end of the limiting assembly to slide towards the electromagnet, the first clamping portion is enabled to be disengaged from the clamping with one end of the limiting assembly, and then the first elastic piece drives the knob touch piece to rotate reversely to break the electrical connection of the positive electrode access position and the positive electrode output position.
2. The magnetic protection based electrical switch of claim 1 wherein the limit stop assembly comprises a latch, a pry bar, an adapter, a slider, a second spring, the fixed shell is provided with a sliding groove which is respectively communicated with the first placing groove and the second placing groove, the clamping block is connected with the groove wall of the sliding groove in a sliding way, is partially accommodated in the sliding groove and is abutted against the first clamping part, one end of the prying rod is hinged with the clamping block, the central position of the prying rod is rotationally connected with the fixed shell, the other end of the prying rod is hinged with one end of the adapter, the other end of the adapter is connected with the sliding piece in a sliding manner, the sliding piece is connected with the fixed shell in a sliding mode and aligned with the electromagnet, one end of the second elastic piece is abutted to one end of the sliding piece, and the other end of the second elastic piece is abutted to the fixed shell.
3. The magnetic protection based electrical switch of claim 2, wherein the latch is provided with a ramp for guiding.
4. The magnetic protection based electric switch of claim 2, wherein the lever is provided with a first connection hole at a central position thereof, and the stationary case is provided with a second connection hole, and the first connection hole is aligned with the second connection hole.
5. The magnetic protection-based electric switch according to claim 2, wherein the adapter piece is provided with a sliding block, the sliding piece is provided with a sliding groove, the extending direction of the sliding groove is perpendicular to the extending direction of the connecting line of the sliding piece and the electromagnet, and the sliding block is accommodated in the sliding groove.
6. The magnetic protection-based electric switch according to claim 2, wherein the fixed housing is provided with two guide plates, the two guide plates are accommodated in the second placement groove, and the sliding member is located between the two guide plates and is slidably connected with the guide plates.
7. The magnetic protection based electrical switch of claim 2 wherein the sliding member has an iron block at one end, the iron block facing the electromagnet.
8. The magnetic protection-based electric switch according to claim 1, wherein the positive electrode access position comprises a first fixed column, a third elastic member, and a first conductive rod, the first fixed column is provided with a first conductive connection position and a first receiving groove, the first conductive rod penetrates through the third elastic member, the third elastic member and the first conductive rod are both received in the first receiving groove, one end of the third elastic member abuts against the first fixed column, the other end of the third elastic member abuts against the first conductive rod, and the first conductive rod is slidably connected with a groove wall of the first receiving groove and electrically connected with the first conductive connection position.
9. The magnetic protection-based electric switch according to claim 1, wherein the positive output position comprises a second fixed column, a fourth elastic member, and a second conductive rod, the second fixed column is provided with a second conductive connection position and a second receiving groove, the second conductive rod penetrates through the fourth elastic member, the fourth elastic member and the second conductive rod are both received in the second receiving groove, one end of the fourth elastic member abuts against the second fixed column, the other end of the fourth elastic member abuts against the second conductive rod, and the second conductive rod is slidably connected with a groove wall of the second receiving groove and electrically connected with the second conductive connection position.
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| CN202210209386.1A CN114284116B (en) | 2022-03-04 | 2022-03-04 | Electric switch based on magnetism protection |
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| CN202210209386.1A CN114284116B (en) | 2022-03-04 | 2022-03-04 | Electric switch based on magnetism protection |
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| CN114284116B true CN114284116B (en) | 2022-05-03 |
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| US20030043011A1 (en) * | 2001-08-30 | 2003-03-06 | Renne Scott W. | Advanced electrical circuit breaker system and method |
| DE102005037437A1 (en) * | 2005-08-09 | 2007-02-15 | Moeller Gmbh | Electric circuit breaker with protective function |
| CN102427000A (en) * | 2011-03-17 | 2012-04-25 | 浙江中凯科技股份有限公司 | Operation mechanism for control and protective switching device |
| CN110416033A (en) * | 2019-06-20 | 2019-11-05 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | A kind of step-by-step movement electric operation mechanism for breaker with plastics casing |
| CN215496596U (en) * | 2021-08-17 | 2022-01-11 | 雷米德电气（江苏）有限公司 | Power supply cut-off mechanism for automatic air circuit breaker |
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| CN114284116A (en) | 2022-04-05 |
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Effective date of registration: 20230808 Address after: 518000, Building A, High tech Industrial Park, Huafeng Zhigu, Sanwei Community, Hangcheng Street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN TENGAO ELECTRONIC TECHNOLOGY Co.,Ltd. Address before: 518104 floor 4, building C, Dagang Dadi Industrial Zone, Dagang community, Shajing street, Bao'an District, Shenzhen, Guangdong Province Patentee before: SHENZHEN HENGXUNTONG ELECTRONICS Co.,Ltd. |