Control and protection switch electrical appliance

Abstract

The present invention discloses a control and protection switch electrical appliance, which includes a first housing and a first base. The first housing is detachably connected to the first base. It is characterized in that: an auxiliary module, an electromagnetic module and an operation module are provided inside the first housing. The control and protection switch electrical appliance provided by the present invention is more convenient to assemble, has a simpler and more stable structure, the module actions are labor-saving, fast, accurate, have a lower cost, are convenient for exhausting air, have a longer service life and stronger applicability.

Description

Technical Field

[0001] The present invention relates to the field of low-voltage electrical appliances, and particularly to a control and protection switch electrical appliance. Background Art

[0002] At present, the control and protection switch electrical appliances provided on the market have the following defects:

[0003] The auxiliary module has a complex structure, a cumbersome assembly process, is not easy to maintain later, and the connection structure stability between the auxiliary module and the base and the housing is poor;

[0004] The linkage structures of the electromagnetic module are set separately according to relevant functions, making the electromagnetic module structure too complex and not convenient for assembly. Moreover, the reset of the moving iron core is achieved through a tension spring, with a long force arm and large elastic force loss, a large suction voltage, which is not conducive to power saving and reduces the service life of the tension spring;

[0005] The operation module has multiple layers, a large volume, a complex structure and a high material cost;

[0006] The base and the cover plate are difficult to disassemble, and the base is easily damaged during the disassembly process. In addition, the wire is located inside the base, and the temperature of the arc extinguishing chamber of the base rises during operation, which easily damages the wire, thereby shortening the service life of the base;

[0007] The arc extinguishing cover inside the base is not resistant to high temperature, wear and corrosion, and is easily burned, penetrated or deformed by the arc, greatly reducing the service life of the base of the control and protection switch electrical appliance;

[0008] Most of the contact supports are of an integral structure, and the contact supports are made of plastic. Such contact supports are easily melted by heat and curled and deformed during actual use, thereby affecting the action accuracy of the contact bridge and the moving contact. Moreover, such contact supports will cause vibration of the moving contact during closing, and vibration or bounce during suction, which easily burns the moving contact, thereby greatly reducing the service life;

[0009] When the control and protection switch electrical appliance is short-circuited, the energy of the arc in the left arc extinguishing chamber and the right arc extinguishing chamber is very large, and it is easy to explode and rupture, thereby damaging the left arc extinguishing chamber, the right arc extinguishing chamber and other components inside. The base is provided with air vents communicating with the left arc extinguishing chamber and the right arc extinguishing chamber, and the air vents are used for discharging the arc. The dust in the arc extinguishing chamber of such a control and protection switch electrical appliance easily enters the base through the air vents, causing the parts inside the base to accumulate dust, thereby resulting in poor contact or inaccurate action of the parts;

[0010] The base can be installed on other devices (such as distribution boxes, power distribution cabinets, etc.), but this base has a complex structure, a cumbersome assembly process and a relatively single applicability. Summary of the Invention

[0011] In view of the deficiencies of the background art, the technical problem to be solved by the present invention is to provide a control and protection switch electrical appliance that is more convenient to assemble, has a simpler and more stable structure, has labor-saving, fast, accurate module actions, lower costs, is convenient for exhaust, has a longer service life, and stronger applicability.

[0012] To this end, the present invention is implemented by the following technical solutions:

[0013] The control and protection switch electrical appliance includes a first housing and a first base, and the first housing is detachably connected to the first base. The feature is that: an auxiliary module, an electromagnetic module, and an operation module are provided in the first housing.

[0014] Furthermore, the auxiliary module includes an upper cover, a first contact support, and a second base. The first contact support is movably arranged between the upper cover and the second base. One side of the upper cover and the second base is detachably provided with a first circuit board through a plurality of first bolts, and the other side is detachably provided with a second circuit board through a plurality of second bolts. A plurality of static contacts are provided on the first circuit board and the second circuit board. A moving contact aligned with the static contacts is provided on the first contact support. A circular groove is provided at the upper end of the first contact support. A first column aligned with the circular groove is provided on the upper cover. A first spring inserted into the circular groove is sleeved on the first column. At least one limiting block is provided on both sides of the first contact support. A first strip-shaped through hole for the limiting block to insert and move is provided on the first circuit board and the second circuit board. First vertical plates are provided on both sides of the second base. A buckle for buckling with the first base is provided on the outer side of the first vertical plate. An elastic buckle for buckling with the first housing is provided at the upper end of the upper cover. A plurality of positioning holes for the first base to insert are provided at the bottom of the second base. Positioning opening grooves for the first housing to insert are provided on both sides of the upper cover. A first wiring rack and a second wiring rack are provided on the upper cover. The first wiring rack is connected to the first circuit board, and the second wiring rack is connected to the second circuit board. A number of wiring ports are provided on both the first wiring rack and the second wiring rack.

[0015] Furthermore, the electromagnetic module includes a second shell and a first bracket that are detachably connected, a coil skeleton is provided between the second shell and the first bracket, and a static iron core is provided between the second shell and the coil skeleton, a moving iron core is movably provided between the first bracket and the coil skeleton, a pressure frame is hingedly provided at the lower portion of the first bracket, the upper end of the pressure frame can be linked with the moving iron core, and lower compression spring seats are provided on both sides of the outer end of the pressure frame, an upper compression spring seat is provided on the first bracket, and an upper compression spring seat is aligned with the lower compression spring seat, a compression spring is provided between the upper compression spring seat and the lower compression spring seat, the upper compression spring seat is provided with an oblique groove for accommodating the compression spring to be inserted, and the lower compression spring seat is provided with an arc-shaped protrusion for accommodating the compression spring to abut, and when the moving iron core and the static iron core are attracted, the compression spring vertically abuts against the lower compression spring seat, and the lower portion of the second shell is hinged with a first push spring The cam is provided with a plurality of connecting rods, each of which is provided with a plurality of connecting rods, and the connecting rods are provided with a plurality of connecting rods at the plurality of connecting rods.

[0016] Further, the operation module includes an upper housing and a lower housing that are detachably connected. An installation frame and a tripping device are detachably provided on the upper housing. A handle shaft inserted into the lower housing is movably passed through the installation frame and the upper housing. The upper end of the handle shaft penetrates out of the first housing. A tripping cam is hinged in the lower housing through a first pin shaft, and the tripping cam is equipped with a first tension spring that urges it to rotate counterclockwise. A protrusion that can abut against the tripping cam is provided at the lower end of the handle shaft, and a torsion spring is sleeved on the handle shaft. A linkage block sleeved on the handle shaft is movably passed through the installation frame. A second pin shaft is provided between the installation frame and the upper housing, and a stop hook linked with the linkage block is sleeved on the second pin shaft. A first microswitch and a first arc-shaped through hole are provided on the installation frame. A fourth column that is inserted into the first arc-shaped through hole and can turn on the first microswitch is provided on one side of the stop hook, and the other side of the stop hook can abut against the tripping cam. The upper housing is provided with a second strip-shaped through hole through which the tripping cam penetrates and moves. A second microswitch aligned with the second strip-shaped through hole is provided on the installation frame, and the tripping cam can turn on the second microswitch. The first pin shaft is longitudinally passed through the lower housing, and a third pin shaft and a fourth pin shaft are also longitudinally passed through the lower housing. A fifth pin shaft is longitudinally passed through the tripping cam. One end of the first tension spring is hooked on the third pin shaft and the other end is hooked on the fifth pin shaft. A lock catch and a swing arm are sleeved on the fourth pin shaft. A first clamping block that is buckled with the lock catch is provided on the tripping cam, and a protrusion that can abut against the second push rod is provided on the tripping cam. A second clamping block and a flat plate are provided on one side of the lock catch. The second clamping block abuts against the second push rod of the tripping device. A limit shaft that penetrates out of the lower housing is provided on the flat plate. A second arc-shaped through hole for the limit shaft to move is provided on the lower housing. A second tension spring that urges the lock catch to rotate clockwise is provided between the flat plate and the lower housing. A connecting plate is provided at the lower end of the lower housing, and a first support seat connected to the first base is provided under the connecting plate. A plurality of opening grooves are provided in the first support seat, and yokes are provided in the opening grooves. A swing hook that can hook the lower end of the swing arm is hinged at the upper end of the first support seat, and an armature is provided at the lower end of the swing hook. A second bracket is hinged on the stop hook, and a third tension spring is provided between the stop hook and the installation frame. A first arc-shaped convex block and a second arc-shaped convex block are connected to the outer ring of the linkage block. One end of the second bracket can abut against the outer ring of the linkage block or the first arc-shaped convex block. A second spring is provided between the other end of the second bracket and the stop hook, and a rotating shaft that abuts against the second arc-shaped convex block is also passed through the second bracket. One end of the torsion spring is inserted into the installation frame and the other end is inserted into the linkage block. The upper housing is installed on the lower housing through a plurality of third bolts, and a positioning plate that bends downward is provided on the right side of the upper housing. A second through hole for the positioning plate to be inserted is provided on the lower housing. A plurality of fourth bolts that are screwed with the upper housing and the lower housing are screwed on the installation frame. The tripping device is installed on the positioning plate through a fifth bolt. The connecting plate and the first support seat are detachably connected through a sixth bolt. A sixth pin shaft is passed through the first support seat. A fourth tension spring is provided between the swing arm and the connecting plate.A fifth tension spring is provided between the sixth pin shaft and the swing hook.

[0017] Further, a cover plate is detachably provided on the first base through a plurality of screws. Second vertical plates are provided on both the front and rear sides of the cover plate. Third through holes are provided on the second vertical plates. A seventh pin shaft inserted into the third through hole is provided between the two first vertical plates. A third vertical plate aligned with the second vertical plate is provided on the first base. A sixth through hole that can be aligned with the third through hole and allows the seventh pin shaft to pass through is provided on the third vertical plate. Fourth vertical plates and fifth vertical plates are further provided on both the front and rear sides of most of the cover plates. Fourth through holes are provided on the fourth vertical plates. An eighth pin shaft inserted into the fourth through hole is provided between the two fourth through holes. Fifth through holes are provided on the fifth vertical plates. A ninth pin shaft inserted into the fifth through hole is provided between the two fifth vertical plates. A plurality of wiring frames are provided on both sides of the first base. Wires located on the cover plate are connected to the inner sides of the wiring frames.

[0018] Further, an arc extinguishing chamber and multiple groups of contact bridges are provided in the first base. The arc extinguishing chamber is composed of a left arc extinguishing chamber and a right arc extinguishing chamber. Multiple groups of static contact pieces are provided in both the left arc extinguishing chamber and the right arc extinguishing chamber. Static contact points are provided on the static contact pieces. The wires pass through the cover plate and are connected to the static contact pieces in the first base. Moving contact points aligned with the static contact points are provided on the contact bridges. Electrician ceramic arc separating plates are provided on both the front and rear sides of each group of the contact bridges and the static contact pieces. Vertical slots for inserting the electrician ceramic arc separating plates are provided in the first base. Second openings aligned with the contact bridges and the static contact pieces are provided in the vertical slots. A plurality of second supports that abut against the lower ends of the electrician ceramic arc separating plates are provided at the bottom of the vertical slots.

[0019] Further, a third base and a second contact support that can penetrate the first base are provided in the first base. The contact bridge passes through the second contact support, and one end of the contact bridge extends into the left arc extinguishing chamber and the other end extends into the right arc extinguishing chamber. A circular column is provided on the third base. A third spring that extends into the second contact support and abuts against the lower end of the contact bridge is sleeved outside the circular column. An annular groove is provided on the circular column. A fourth spring that extends into the second contact support and abuts against the lower end of the contact bridge is provided in the annular groove.

[0020] Further, the second contact support includes a third bracket and a pillar. A fifth column is provided at the upper end of the third bracket. A guiding groove for inserting the fifth column is provided at the bottom surface of the pillar. The pillar is made of plastic. The third bracket is made of metal, and a plurality of positioning blocks that can abut against the contact bridge are provided on the inner walls of both sides of the third bracket.

[0021] Further, explosion-proof holes are provided on both the front and rear sides of the left arc extinguishing chamber and the right arc extinguishing chamber. A sector-shaped groove communicating with the explosion-proof holes is provided on the first base. The arc edge of the sector-shaped groove corresponding to the left arc extinguishing chamber faces left and upward, and the arc edge of the sector-shaped groove corresponding to the right arc extinguishing chamber faces right and upward. A guiding slope is provided in the sector-shaped groove. An air outlet channel communicating with the left arc extinguishing chamber is provided on the left side of the first base, and an air outlet channel communicating with the right arc extinguishing chamber is provided on the right side of the first base. A first groove is provided at the upper end of the inner wall of the air outlet channel. An air curtain capable of shielding the air outlet channel is inserted in the first groove. Vertical strip-shaped openings are provided on the left and right sides of the upper part of the air curtain.

[0022] Further, a plurality of longitudinal card slots are provided at the bottom of the first base. Third openings are provided on both the front and rear sides of the longitudinal card slots. A slope is provided on one side of the inner wall of the longitudinal card slot. The longitudinal card slot includes a first slot, a second slot, and a third slot. The slopes of the first slot are opposite to those of the second slot and the third slot. A limiting member capable of being inserted into the first slot is movably provided at the bottom of the first base. A plurality of third locking blocks capable of being inserted into the first slot are provided on one side of the limiting member, and a plurality of bending portions are provided on the limiting member. A spring wire for urging the limiting member to move to the right is provided on the base. The spring wire abuts within the bending portion. Mounting plates are movably provided at the four corners of the base. Mounting holes are provided on the outer side of the mounting plates, and active spring latches are provided on the inner side. Latch grooves for inserting the active spring latches are provided on the base.

[0023] The present invention has the following advantages:

[0024] The first contact support is movably arranged between the upper cover and the second base. A first circuit board is detachably provided on one side of the upper cover and the second base through a plurality of first bolts, and a second circuit board is detachably provided on the other side through a plurality of second bolts. The structure is simpler and the assembly is more convenient, facilitating later maintenance; the circular groove, the first column, and the first spring are arranged to make the movement of the first contact support more stable, and thus the static contact and the moving contact are more firmly in contact; the buckles on the first vertical plates on both sides of the second base can be buckled with the first base, and the elastic buckle on the upper end of the upper cover is buckled with the first housing, making the disassembly more convenient; a plurality of positioning holes for inserting the first base are provided at the bottom of the second base, making the structural stability of the connection between the auxiliary module and the first base better; positioning opening grooves for inserting the first housing are provided on both sides of the upper cover, making the structural stability of the connection between the auxiliary module and the first housing better;

[0025] The compression spring is arranged at the hinge axis close to the pressure frame, and the force arm is short, so that the attraction voltage of the moving iron core and the static iron core is smaller, and it is more energy-saving. In addition, an arc-shaped protrusion is arranged in the lower compression spring seat against which the compression spring abuts, so that when the pressure frame rotates, it is convenient for the compression spring to adjust the angle to ensure the attraction characteristics. In the process of the moving iron core being adsorbed to the static iron core, the moving iron core drives the pressure frame and the indicator rod to rotate through the first connecting rod, and at the same time, the pressure frame drives the first push rod to rotate through the pull rod and the hook, wherein the pressure frame is linked with the first base, the mark of the indicator rod is used to indicate the state, and the first push rod is linked with the auxiliary module, and the linkage structure is simpler and convenient for assembly and later maintenance. In addition, first baffles are arranged on both sides of the first push rod to prevent the pull rod from falling off, so that the structure of the electromagnetic module is more stable. When the moving iron core and the static iron core are attracted, the compression spring vertically abuts on the lower compression spring seat, and at this time, the compression spring is close to the hinge axis of the pressure frame, and the force arm is short, so that the attraction voltage of the moving iron core and the static iron core is smaller, and it is more energy-saving. In addition, when the compression spring is released, the force arm increases, and the vertical elastic force loss is small, which is more labor-saving.

[0026] The operating mechanism has normal state, fault (overload, phase loss, leakage) tripping state, short circuit fault tripping state, manual disconnection state and re-tripping state after tripping. The upper shell has a control structure on the top and a tripping structure on the bottom. It has fewer layers, smaller volume, simple structure, differentiated functions and lower cost.

[0027] Place the cover plate on the first base, with the first through hole aligned with the second through hole, then insert the first pin into the third through hole and the fourth through hole, and tighten a plurality of screws. After the first housing and the first base are assembled, the two ends of the seventh pin are against the inner wall of the housing to prevent the seventh pin from falling out, making the first base easier to assemble and easier to maintain later. The eighth and ninth pins are used to assemble the electromagnetic module, making the first base easier to assemble with the electromagnetic module. In addition, most of the wire is located on the cover plate, and the other end of the wire passes through the cover plate and is connected to the static contact in the first base, effectively preventing the wire from being damaged due to the temperature increase in the arc extinguishing chamber of the first base when it is working, and extending the service life of the base.

[0028] An electrical ceramic arc-isolating plate is arranged on both sides of the front and rear of each set of contact bridges and static contact pieces. The electrical ceramic arc-isolating plate has good high temperature resistance, wear resistance and corrosion resistance, effectively avoiding burning, breakdown or deformation by electric arc, greatly improving the service life of the base contact system of the control and protection switch electrical appliance. In addition, a vertical slot for inserting the electrical ceramic arc-isolating plate is arranged in the first base, and a plurality of second supports abutting against the lower end of the electrical ceramic arc-isolating plate are arranged at the bottom of the vertical slot, so that the connection structure between the electrical ceramic arc-isolating plate and the base is more stable;

[0029] The second contact support adopts a split structure of a bracket and a pillar, and the two are connected by a fifth column and a guide groove, making the structure more stable. Since the pillar is less affected by the arc, the pillar is made of plastic, reducing the production cost. The third bracket is more affected by the arc and is connected to the contact bridge, so the bracket is made of metal, making the contact support not prone to curling deformation, and thus making the actions of the contact bridge and the moving contact more accurate. In addition, a plurality of positioning blocks that can abut against the contact bridge are provided on both inner walls of the third bracket, making the connection structure between the third bracket and the contact bridge more stable. The up and down movements of the second contact support and the contact bridge are both supported by a third spring and a fourth spring. The setting of the double springs can eliminate the vibration when the moving contact closes, reduce the vibration or bounce when the moving contact is attracted, and the burning of the moving contact is very small, thereby increasing the service life of the second contact support. In addition, the connection structure between the circular column and the third spring is more stable, and the connection structure between the circular groove and the fourth spring is more stable, making the expansion and contraction of the third spring and the fourth spring more stable;

[0030] Explosion-proof through holes are provided on the front and back sides of the left arc extinguishing chamber and the right arc extinguishing chamber. When the control and protection switch electrical appliance is short-circuited, the internal energy of the left arc extinguishing chamber and the right arc extinguishing chamber can be ejected from the explosion-proof through holes, effectively preventing explosion and rupture from damaging the left arc extinguishing chamber, the right arc extinguishing chamber and other components inside them. Moreover, a sector-shaped groove communicating with the explosion-proof through hole is provided on the first base. The arc edge of the sector-shaped groove corresponding to the left arc extinguishing chamber faces left and upward, and the arc edge of the sector-shaped groove corresponding to the right arc extinguishing chamber faces right and upward, which can well direct the energy in the arc extinguishing chamber to two different directions, prevent counter-jet, and will not be ejected downward to damage other components. A guiding slope is provided in the sector-shaped groove to guide the ejected energy. In addition, a first groove is provided at the upper end of the inner wall of the air outlet channel of the left arc extinguishing chamber and the right arc extinguishing chamber. A gas curtain that can shield the air outlet channel is inserted in the first groove, which can effectively prevent dust from entering the first base, better protect the parts inside the first base, and avoid the phenomenon of poor contact or inaccurate action of the parts caused by dust accumulation on the parts. In addition, vertical strip-shaped openings are provided on both sides of the gas curtain, making the gas curtain easier to be blown up by the arc of the arc extinguishing chamber for exhaust;

[0031] In the present invention, the first base has the following two installation methods: First, it can be clamped with the TH-35 guide rail through the cooperation of the first groove, the second groove and the limiting member, and can be clamped with the TH-75 guide rail through the first groove, the third groove and the limiting member. When clamping, first pull the limiting member to make the third clamping block disengage from the first groove. After the TH-35 guide rail is clamped into the second groove or the TH-75 guide rail is clamped into the third groove, release the limiting member. The limiting member moves to the right and resets under the elastic force of the spring wire, so that the third clamping block and the first base can clamp the guide rail. Second, pull out the four mounting plates outward to make the active spring buckle inserted into the locking groove to complete the positioning of the mounting plate, and then install it on other equipment by inserting screws into the mounting holes. The above first base has a simple structure, is easy to install and has stronger applicability. In addition, one side of the inner wall of the longitudinal card slot is provided with a slope, so that the contact surface is larger during installation and the structural stability is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] The present invention has the following drawings:

[0033] Figure 1 is a three-dimensional structural schematic diagram of the present invention;

[0034] Figure 2 is a three-dimensional structural schematic diagram of the auxiliary module in the present invention;

[0035] Figure 3 is a three-dimensional structural schematic diagram of the auxiliary module in another viewing direction in the present invention;

[0036] Figure 4 is a structural schematic diagram of the auxiliary module in the present invention with the second circuit board removed;

[0037] Figure 5 is a connection structural schematic diagram of the auxiliary module, the base and a part of the first housing in the present invention;

[0038] Figure 6 is a three-dimensional structural schematic diagram of the electromagnetic module in the present invention;

[0039] Figure 7 is Figure 6 a three-dimensional structural schematic diagram of the medium pressure frame, the pull rod and the first push rod;

[0040] Figure 8 is a three-dimensional structural schematic diagram of the operation module in the present invention;

[0041] Figure 9 is a partial structural schematic diagram of the operation module in the present invention in a normal state;

[0042] Figure 10 is a partial structural schematic diagram of the operation module in the present invention in a fault (overload, open phase, leakage) tripping state;

[0043] Figure 11Schematic diagram of the partial structure of the operation module in the short-circuit fault tripping state in the present invention;

[0044] Figure 12 Schematic diagram of the partial structure of the operation module in the manually disconnected state in the present invention;

[0045] Figure 13 Schematic diagram of the partial structure of the operation module in the re-latching state after tripping in the present invention;

[0046] Figure 14 is Figure 8 Schematic three-dimensional structure diagram of the suspension hook, linkage block and tripping cam;

[0047] Figure 15 is Figure 8 Schematic three-dimensional structure diagram of the middle connecting plate, support, swing arm and swing hook

[0048] Figure 16 Schematic three-dimensional structure diagram of the first base in the present invention;

[0049] Figure 17 Schematic diagram of the internal structure of the first base in the present invention;

[0050] Figure 18 Top view of the first base, a set of contact bridges and the electrical porcelain arc separator in the present invention;

[0051] Figure 19 Schematic three-dimensional structure diagram of the third base, contact bridge and second contact support in the present invention;

[0052] Figure 20 Schematic three-dimensional structure diagram of the first base from another viewing direction in the present invention.

[0053] Reference Numerals: 1. First outer shell; 2. First base; 3. Upper cover; 4. First contact support; 5. Second base; 6. First bolt; 7. First circuit board; 8. Second bolt; 9. Second circuit board; 10. Static contact; 11. Moving contact; 12. Circular groove; 13. First upright column; 14. First spring; 15. Limit block; 16. First strip-shaped through hole; 17. First vertical plate; 18. Buckle; 19. Elastic buckle; 20. Positioning hole; 21. Positioning opening groove; 22. First wiring bracket; 23. Second wiring bracket; 24. Wiring port; 25. Second outer shell; 26. First bracket; 27. Coil bobbin; 28. Static iron core; 29. Moving iron core; 30. Pressing frame; 31. Lower spring seat; 32. Upper spring seat; 33. Compression spring; 34. Oblique groove; 35. Arc-shaped protrusion; 36. First push rod; 37. Second upright column; 38. Third upright column; 39. Pull rod; 40. Hook; 41. Horizontal through hole; 42. First connecting rod; 43. First opening; 44. Indicator rod; 45. Indicator window; 46. First through hole; 47. Mark; 48. First baffle; 49. Upper housing; 50. Lower housing; 51. Mounting bracket; 52. Release; 53. Handle shaft; 54. First pin shaft; 55. Release cam; 56. First tension spring; 57. Protrusion; 58. Torsion spring; 59. Linking block; 60. Second pin shaft; 61. Stop hook; 62. First micro switch; 63. Fourth upright column; 64. Second strip-shaped through hole; 65. Second micro switch; 66. Third pin shaft; 67. Fourth pin shaft; 68. Fifth pin shaft; 69. Lock; 70. Swing arm; 71. First clamping block; 72. Protrusion; 73. Second push rod; 74. Second clamping block; 75. Flat plate; 76. Limit shaft; 77. Second tension spring; 78. Connecting plate; 79. First support; 80. Opening groove; 81. Yoke; 82. Swing hook; 83. Armature; 84. Second bracket; 85. Third tension spring; 86. First arc-shaped convex block; 87. Second arc-shaped convex block; 88. Second spring; 89. Rotating shaft; 90. Third bolt; 91. Positioning plate; 92. Second through hole; 93. Fourth bolt; 94. Fifth bolt; 95. Sixth bolt; 96. Sixth pin shaft; 97. Fourth tension spring; 98. Fifth tension spring; 99. Cover plate; 100. Second vertical plate; 101. Third through hole; 102. Seventh pin shaft; 103. Third vertical plate; 104. Sixth through hole; 105. Fourth vertical plate; 106. Fifth vertical plate; 107. Fourth through hole; 108. Eighth pin shaft; 109. Fifth through hole; 110. Ninth pin shaft; 111. Wiring frame; 112. Wire; 113. Contact bridge; 114. Left arc chute; 115. Right arc chute; 116. Static contact piece; 117. Static contact point; 118. Moving contact point; 119. Electrical ceramic arc separator; 120. Vertical slot; 121. Second opening; 122. Second support; 123. Third base; 124. Second contact support; 125. Circular upright column; 126. Third spring; 127. Annular groove128. Fourth spring; 129. Third bracket; 130. Fifth column; 131. Guide groove; 132. Positioning block; 133. Explosion-proof hole; 134. Sector groove; 135. Guide ramp; 136. Air outlet channel; 138. Air curtain; 139. Vertical strip-shaped opening; 140. First groove; 141. Third opening; 142. Ramp; 143. Second groove; 144. Third groove; 145. Limiting part; 146. Third clamping block; 147. Bent part; 148. Spring wire; 149. Mounting plate; 150. Mounting hole; 151. Active spring catch; 152. Locking groove.; Detailed implementation mode

[0054] As shown in the above-mentioned drawings, the control and protection switch device provided by the present invention includes a first housing 1 and a first base 2. The first housing 1 is detachably connected to the first base 2. An auxiliary module, an electromagnetic module and an operating module are provided inside the first housing 1. The auxiliary module includes an upper cover 3, a first contact support 4 and a second base 5. The first contact support 4 is movably arranged between the upper cover 3 and the second base 5. One side of the upper cover 3 and the second base 5 is detachably provided with a first circuit board 7 through a plurality of first bolts 6, and the other side is detachably provided with a second circuit board 9 through a plurality of second bolts 8. A plurality of static contacts 10 are provided on the first circuit board 7 and the second circuit board 9. A moving contact 11 aligned with the static contact 10 is provided on the first contact support 4. A circular groove 12 is provided at the upper end of the first contact support 4. A first upright post 13 aligned with the circular groove 12 is provided on the upper cover 3. A first spring 14 inserted into the circular groove 12 is sleeved on the first upright post 13. At least one limiting block 15 is provided on both sides of the first contact support 4. A first strip-shaped through hole 16 for the limiting block 15 to insert and move is provided on the first circuit board 7 and the second circuit board 9. First upright plates 17 are provided on both sides of the second base 5. A buckle 18 for buckling with the first base 2 is provided on the outer side of the first upright plate 17. An elastic buckle 19 for buckling with the first housing 1 is provided at the upper end of the upper cover 3. A plurality of positioning holes 20 for the first base 2 to insert are provided at the bottom of the second base 5. Positioning opening grooves 21 for the first housing 1 to insert are provided on both sides of the upper cover 3. A first wiring rack 22 and a second wiring rack 23 are provided on the upper cover 3. The first wiring rack 22 is connected to the first circuit board 7, and the second wiring rack 23 is connected to the second circuit board 9. A plurality of wiring ports 24 are provided on both the first wiring rack 22 and the second wiring rack 23. The electromagnetic module includes a second housing 25 and a first bracket 26 which are detachably connected. A coil bobbin 27 is provided between the second housing 25 and the first bracket 26, and a static iron core 28 is provided between the second housing 25 and the coil bobbin 27. A moving iron core 29 is movably arranged between the first bracket 26 and the coil bobbin 27. A pressing frame 30 is hinged at the lower part of the first bracket 26. The upper end of the pressing frame 30 can be linked with the moving iron core 29, and lower pressing spring seats 31 are provided on both sides of the outer end of the pressing frame 30. An upper pressing spring seat 32 aligned with the lower pressing spring seat 31 is provided on the first bracket 26. A pressing spring 33 is provided between the upper pressing spring seat 32 and the lower pressing spring seat 31. An inclined groove 34 for the pressing spring 33 to insert is provided on the upper pressing spring seat 32. An arc-shaped protrusion 35 for the pressing spring 33 to abut against is provided on the lower pressing spring seat 31. When the moving iron core 29 is attracted to the static iron core 28, the pressing spring 33 vertically abuts against the lower pressing spring seat 31. A first push rod 36 is hinged at the lower part of the second housing 25. Second upright posts 37 are provided on both sides of the lower end of the pressing frame 30. Third upright posts 38 are provided on both sides of the first push rod 36. Tie rods 39 are provided on both sides of the pressing frame 30 and the first push rod 36. Hooks 40 are provided at both ends of the tie rod 39.A hook 40 at one end of the pull rod 39 is sleeved on the second column 37, and the other end is sleeved on the third column. A first connecting rod 42 is penetrated on the moving iron core 29. Both ends of the first connecting rod 42 pass through the upper end of the pressure frame 30 and pass through the first bracket 26. A transverse through hole 41 is provided on the first bracket 26 to allow the first connecting rod 42 to move. The shell is provided with a first opening 43 aligned with the transverse through hole 41. An indicator rod 44 is hinged on the first bracket 26. An indicator window 45 is provided on the first shell 1. A first through hole 46 is provided at the lower end of the indicator rod 44 to allow the first connecting rod 42 to be inserted, and a mark 47 that can be aligned with the indicator window 45 is provided at the upper end of the indicator rod 44. First baffles 48 are provided on both sides of the first push rod 36 to prevent the pull rod 39 from falling off. The module includes an upper shell 49 and a lower shell 50 that are detachably connected. The upper shell 49 is detachably provided with a mounting frame 51 and a release 52. A handle shaft 53 inserted into the lower shell 50 is movably penetrated through the mounting frame 51 and the upper shell 49. The upper end of the handle shaft 53 penetrates the first shell 1. A release cam 55 is hinged in the lower shell 50 through a first pin shaft 54, and the release cam 55 is equipped with a first tension spring 56 that causes it to rotate counterclockwise. A protrusion 57 that can abut against the release cam 55 is provided at the lower end of the handle shaft 53, and a torsion spring 58 is sleeved on the handle shaft 53. A linkage block 59 sleeved on the handle shaft 53 is movably penetrated through the mounting frame 51. A second pin shaft 60 is provided between the mounting frame 51 and the upper shell 49. A stop hook 61 linked with the linkage block 59 is sleeved on the pin shaft 60, a first micro switch 62 and a first arc-shaped through hole are provided on the mounting frame 51, a fourth column 63 inserted into the first arc-shaped through hole and capable of opening the first micro switch 62 is provided on one side of the stop hook 61, and the other side of the stop hook 61 can abut against the tripping cam 55, the upper shell 49 is provided with a second strip-shaped through hole 64 for allowing the tripping cam 55 to pass through and move, a second micro switch 65 aligned with the second strip-shaped through hole 64 is provided on the mounting frame 51, and the tripping cam 55 can open the second micro switch 65, the first pin shaft 54 ​​is longitudinally penetrated on the lower shell 50, and the lower shell 50 is also longitudinally penetrated with a third pin shaft 66 and a fourth pin shaft 67, and the tripping cam 55 is longitudinally penetrated on the A fifth pin 68 is penetrated in the direction, one end of the first tension spring 56 is hooked on the third pin 66, and the other end is hooked on the fifth pin 68, a lock buckle 69 and a swing arm 70 are sleeved on the fourth pin 67, a first clamping block 71 that is buckled with the lock buckle 69 is provided on the release cam 55, and a protrusion 72 that can abut against the second push rod 73 is provided on the release cam 55, a second clamping block 74 and a flat plate 75 are provided on one side of the lock buckle 69, the second clamping block 74 abuts against the second push rod 73 of the releaser 52, a limiting shaft 76 that passes through the lower shell 50 is provided on the flat plate 75, and a second arc-shaped through hole that allows the limiting shaft 76 to move is provided on the lower shell 50, and a second tension spring 77 that prompts the lock buckle 69 to rotate clockwise is provided between the flat plate 75 and the lower shell 50.A connecting plate 78 is provided at the lower end of the lower housing 50. A first support 79 connected to the first base 2 is provided below the connecting plate 78. A plurality of opening grooves 80 are provided in the first support 79. A yoke 81 is provided in the opening grooves 80. A swing hook 82 capable of hooking the lower end of the swing arm 70 is hinged to the upper end of the first support 79. An armature 83 is provided at the lower end of the swing hook 82. A second support 84 is hinged to the stop hook 61, and a third tension spring 85 is provided between the stop hook 61 and the mounting bracket 51. A connected first arc-shaped convex block 86 and second arc-shaped convex block 87 are provided on the outer ring of the linkage block 59. One end of the second support 84 can abut against the outer ring of the linkage block 59 or the first arc-shaped convex block 86. A second spring 88 is provided between the other end of the second support 84 and the stop hook 61. A rotating shaft 89 abutting against the second arc-shaped convex block 87 is also passed through the second support 84. One end of the torsion spring 58 is inserted into the mounting bracket 51 and the other end is inserted into the linkage block 59. The upper housing 49 is mounted on the lower housing 50 through a plurality of third bolts 90. A positioning plate 91 bent downward is provided on the right side of the upper housing 49. A second through hole 92 for inserting the positioning plate 91 is provided on the lower housing 50. A plurality of fourth bolts 93 for screwing the upper housing 49 and the lower housing 50 are screwed on the mounting bracket 51. The release 52 is mounted on the positioning plate 91 through a fifth bolt 94. The connecting plate 78 and the first support 79 are detachably connected through a sixth bolt 95. A sixth pin shaft 96 is passed through the first support 79. A fourth tension spring 97 is provided between the swing arm 70 and the connecting plate 78. A fifth tension spring 98 is provided between the sixth pin shaft 96 and the swing hook 82. A cover plate 99 is detachably provided on the first base 2 through a plurality of screws. Second vertical plates 100 are provided on both the front and rear sides of the cover plate 99. Third through holes 101 are provided on the second vertical plates 100. A seventh pin shaft 102 inserted into the third through holes 101 is provided between the two first vertical plates 17. A third vertical plate 103 aligned with the second vertical plate 100 is provided on the first base 2. A sixth through hole 104 capable of aligning with the third through hole 101 and allowing the seventh pin shaft 102 to pass through is provided on the third vertical plate 103. Fourth vertical plates 105 and fifth vertical plates 106 are further provided on both the front and rear sides of most of the cover plates 99. Fourth through holes 107 are provided on the fourth vertical plates 105. An eighth pin shaft 108 inserted into the fourth through holes 107 is provided between the two fourth through holes 107. Fifth through holes 109 are provided on the fifth vertical plates 106. A ninth pin shaft 110 inserted into the fifth through holes 109 is provided between the two fifth vertical plates 106. A plurality of wiring frames 111 are provided on both sides of the first base 2. Wires 112 located on the cover plate 99 are connected to the inner sides of the wiring frames 111. An arc extinguishing chamber and multiple groups of contact bridges 113 are provided in the first base 2. The arc extinguishing chamber is composed of a left arc extinguishing chamber 114 and a right arc extinguishing chamber 115. A plurality of static contact pieces 116 are provided in both the left arc extinguishing chamber 114 and the right arc extinguishing chamber 115. Static contact points 117 are provided on the static contact pieces 116. The wires 112 pass through the cover plate 99 and are connected to the static contact pieces 116 in the first base 2.The moving contact 118 aligned with the static contact 117 is provided on the contact bridge 113. Electrician's ceramic arc isolation plates 119 are provided on the front and back sides of each group of the contact bridge 113 and the static contact piece 116. A vertical slot 120 for inserting the electrician's ceramic arc isolation plate 119 is provided in the first base 2. A second opening 121 aligned with the contact bridge 113 and the static contact piece 116 is provided in the vertical slot 120. A plurality of second supports 122 abutting against the lower end of the electrician's ceramic arc isolation plate 119 are provided at the bottom of the vertical slot 120. A third base 123 and a second contact support 124 that can penetrate the first base 2 are provided in the first base 2. The contact bridge 113 passes through the second contact support 124, and one end of the contact bridge 113 extends into the left arc extinction chamber 114 and the other end extends into the right arc extinction chamber 115. A circular column 125 is provided on the third base 123. A third spring 126 that extends into the second contact support 124 and abuts against the lower end of the contact bridge 113 is sleeved outside the circular column 125. An annular groove 127 is provided on the circular column 125. A fourth spring 128 that extends into the second contact support 124 and abuts against the lower end of the contact bridge 113 is provided in the annular groove 127. The second contact support 124 includes a third support 129 and a pillar. A fifth column 130 is provided at the upper end of the third support 129. A guiding groove 131 for inserting the fifth column 130 is provided on the bottom surface of the pillar. The pillar is made of plastic. The third support 129 is made of metal, and a plurality of positioning blocks 132 that can abut against the contact bridge 113 are provided on both inner walls of the third support 129. Explosion-proof holes 133 are provided on the front and back sides of the left arc extinction chamber 114 and the right arc extinction chamber 115. A fan-shaped groove 134 communicated with the explosion-proof hole 133 is provided on the first base 2. The arc edge of the fan-shaped groove 134 corresponding to the left arc extinction chamber 114 faces left and upward. The arc edge of the fan-shaped groove 134 corresponding to the right arc extinction chamber 115 faces right and upward. A guiding slope 135 is provided in the fan-shaped groove 134. An air outlet channel 136 communicated with the left arc extinction chamber 114 is provided on the left side of the first base 2. An air outlet channel 136 communicated with the right arc extinction chamber 115 is provided on the right side of the first base 2. A first groove is provided at the upper end of the inner wall of the air outlet channel 136. An air curtain 138 that can shield the air outlet channel 136 is inserted in the first groove. Vertical strip-shaped openings 139 are provided on the left and right sides of the upper part of the air curtain 138. A plurality of longitudinal card slots are provided at the bottom of the first base 2. Third openings 141 are provided on the front and back sides of the longitudinal card slots. A slope 142 is provided on one side of the inner wall of the longitudinal card slot. The longitudinal card slot includes a first slot 140, a second slot 143, and a third slot 144. The slope 142 of the first slot 140 is opposite to the slopes 142 of the second slot 143 and the third slot 144. A limiting member 145 that can be inserted into the first slot 140 is movably provided at the bottom of the first base 2. A plurality of third locking blocks 146 that can be inserted into the first slot 140 are provided on one side of the limiting member 145, and a plurality of bending portions 147 are provided on the limiting member 145.A spring wire 148 for urging the limiting member 145 to move rightward is provided on the base. The spring wire 148 abuts against the bent portion 147. Mounting plates 149 are movably provided at the four corners of the base. Mounting holes 150 are provided on the outer sides of the mounting plates 149, and active spring latches 151 are provided on the inner sides. A latch groove 69 for inserting the active spring latch 151 is provided on the base.

[0055] In this embodiment, the first contact support 4 is movably arranged between the upper cover 3 and the second base 5. On one side of the upper cover 3 and the second base 5, a first circuit board 7 is detachably arranged through a plurality of first bolts 6, and on the other side, a second circuit board 9 is detachably arranged through a plurality of second bolts 8. The structure is simpler and the assembly is more convenient, facilitating later maintenance. The settings of the circular groove 12, the first upright column 13, and the first spring 14 make the movement of the first contact support 4 more stable, thereby making the contact between the static contact 117 and the moving contact 118 more reliable. The buckles 18 on the first upright plates 17 on both sides of the second base 5 can be fastened with the first base 2, and the elastic buckle 19 at the upper end of the upper cover 3 is buckled with the first housing 1, making the disassembly more convenient. There are a plurality of positioning holes 20 at the bottom of the second base 5 for the first base 2 to be inserted, making the connection structure between the auxiliary module and the first base 2 more stable. The positioning opening grooves 21 for the first housing 1 to be inserted are provided on both sides of the upper cover 3, making the connection structure between the auxiliary module and the first housing 1 more stable. The compression spring 33 is arranged near the hinge shaft of the pressure frame 30, with a short force arm, making the suction voltage between the moving iron core 29 and the static iron core 28 smaller and more power-saving. Moreover, an arc-shaped protrusion 35 against which the compression spring 33 abuts is provided inside the lower compression spring seat 31, facilitating the adjustment of the angle of the compression spring 33 to ensure the suction characteristics when the pressure frame 30 rotates. During the process of the moving iron core 29 being adsorbed to the static iron core 28, the moving iron core 29 drives the pressure frame 30 and the indicating rod 44 to rotate through the first connecting rod 42. At the same time, the pressure frame 30 drives the first push rod 36 to rotate through the pull rod 39 and the hook 40. Among them, the pressure frame 30 is linked with the first base 2, the identifier 47 of the indicating rod 44 is used to indicate the state, and the first push rod 36 is linked with the auxiliary module. The linkage structure is simpler and is convenient for assembly and later maintenance. In addition, first baffles 48 for preventing the pull rod 39 from falling off are provided on both sides of the first push rod 36, making the electromagnetic module structure more stable. When the moving iron core 29 is attracted to the static iron core 28, the compression spring 33 vertically abuts on the lower compression spring seat 31. At this time, the compression spring 33 is close to the hinge shaft of the pressure frame 30, with a short force arm, making the suction voltage between the moving iron core 29 and the static iron core 28 smaller and more power-saving. Moreover, when the compression spring 33 is released, the force arm increases, and the elastic force loss in the vertical direction is small and it is more labor-saving. The operating mechanism has a normal state, a fault (overload, open phase, leakage) tripping state, a short-circuit fault tripping state, a manual disconnection state, and a reclosing state after tripping. The upper shell 49 has a control structure on the upper surface and a tripping structure on the lower surface, with fewer layers, a smaller volume, a simple structure, functional differentiation, and lower cost.Place the cover plate 99 on the first base 2. At this time, the first through hole 46 is aligned with the second through hole 92. Then insert the first pin shaft 54 into the third through hole 101 and the fourth through hole 107, and tighten multiple screws. When the first housing 1 is assembled with the first base 2, both ends of the seventh pin shaft 102 abut against the inner wall of the housing, preventing the seventh pin shaft 102 from falling out, making the assembly of the first base 2 more convenient and facilitating later maintenance. The settings of the eighth pin shaft 108 and the ninth pin shaft 110 are used for assembling the electromagnetic module, making the assembly of the first base 2 and the electromagnetic module more convenient. In addition, most of the wire 112 is located on the cover plate 99, and the other end of the wire 112 passes through the cover plate 99 and is connected to the static contact piece 116 in the first base 2, effectively preventing the wire 112 from being damaged due to the temperature rise when the arc extinguishing chamber in the first base 2 works, and making the service life of the base longer; Electrician ceramic arc isolation plates 119 are arranged on the front and back sides of each set of contact bridges 113 and static contact pieces 116. The electrician ceramic arc isolation plates 119 have good high-temperature resistance, wear resistance, and corrosion resistance, effectively avoiding being burned, penetrated, or deformed by the arc, greatly improving the service life of the contact system of the base of the control and protection switch electrical appliance. In addition, a vertical slot 120 for inserting the electrician ceramic arc isolation plate 119 is provided in the first base 2, and a plurality of second supports 122 that abut against the lower end of the electrician ceramic arc isolation plate 119 are provided at the bottom of the vertical slot 120, making the connection structure between the electrician ceramic arc isolation plate 119 and the base more stable; The second contact support 124 adopts a split structure of a bracket and a pillar, and the two are connected through the fifth column 130 and the guide groove 131, and the structure is more stable. Since the pillar is less affected by the arc, the pillar is made of plastic, reducing the production cost. The third bracket 129 is more affected by the arc, and the third bracket 129 is connected to the contact bridge 113, so the bracket is made of metal, making the contact support not prone to curling and deformation, and further making the actions of the contact bridge 113 and the moving contact 118 more accurate. In addition, a plurality of positioning blocks 132 that can abut against the contact bridge 113 are provided on the inner walls of both sides of the third bracket 129, making the connection structure between the third bracket 129 and the contact bridge 113 more stable. The up and down movements of the second contact support 124 and the contact bridge 113 are both supported by the third spring 126 and the fourth spring 128. The setting of the double springs can eliminate the vibration when the moving contact 118 is closed, reduce the vibration or bounce when the moving contact 118 is attracted, and the burning of the moving contact 118 is very small, thereby increasing the service life of the second contact support 124. In addition, the connection structure between the circular column 125 and the third spring 126 is more stable, and the connection structure between the circular groove 12 and the fourth spring 128 is more stable, making the third spring 126 and the fourth spring 128 more stable when stretching and contracting;Explosion-proof through holes are provided on both the front and rear sides of the left arc extinguishing chamber 114 and the right arc extinguishing chamber 115. When the control and protection switch electrical appliance is short-circuited, the internal energy of the left arc extinguishing chamber 114 and the right arc extinguishing chamber 115 can be ejected from the explosion-proof through holes, effectively preventing explosion and rupture from damaging the left arc extinguishing chamber 114, the right arc extinguishing chamber 115 and other components inside them. Moreover, a sector-shaped groove 134 communicating with the explosion-proof through hole is provided on the first base 2. The arc edge of the sector-shaped groove 134 corresponding to the left arc extinguishing chamber 114 faces left and upward, and the arc edge of the sector-shaped groove 134 corresponding to the right arc extinguishing chamber 115 faces right and upward, which can well guide the energy in the arc extinguishing chamber to two different directions, prevent counter-jet, and will not be ejected downward to damage other components. A guiding slope 135 is provided in the sector-shaped groove 134, which can guide the ejected energy. In addition, a first groove is provided at the upper end of the inner wall of the air outlet channel 136 of the left arc extinguishing chamber 114 and the right arc extinguishing chamber 115. An air curtain 138 that can shield the air outlet channel 136 is inserted into the first groove, which can effectively prevent dust from entering the first base 2, better protect the parts inside the first base 2, and avoid the phenomenon of poor contact or inaccurate operation of the parts caused by dust accumulation on the parts. In addition, vertical strip-shaped openings 139 are provided on both the left and right sides of the air curtain 138, making it easier for the air curtain 138 to be blown up by the arc of the arc extinguishing chamber, facilitating exhaust; in the present invention, the first base 2 has the following two installation methods: First, it can be mutually clamped with the TH-35 guide rail through the cooperation of the first groove 140, the second groove 143 and the limiting member 145, and can be mutually clamped with the TH-75 guide rail through the first groove 140, the third groove 144 and the limiting member 145. When clamping, first pull the limiting member 145 to make the third latch 146 disengage from the first groove 140. After the TH-35 guide rail is inserted into the second groove 143 or the TH-75 guide rail is inserted into the third groove 144, release the limiting member 145. The limiting member 145 moves to the right and resets under the elastic force of the spring wire 148, so that the third latch 146 and the first base 2 clamp the guide rail; Second, pull out the four mounting plates 149 outward to make the active spring buckle 151 inserted into the slot of the lock 69 to complete the positioning of the mounting plate 149, and then install it on other equipment by inserting screws into the mounting holes 150; the above-mentioned first base 2 has a simple structure, is convenient to install and has stronger applicability. In addition, a slope 142 is provided on one side of the inner wall of the longitudinal card slot, and the contact surface is larger during installation, and the structural stability is better.

[0056] Refer to Figure 9 As shown, it is a partial structural schematic diagram of the operation module in the normal state in the present invention. At this time, the first latch 71 of the release cam 55 is latched with the lock 69, and the upper end of the release cam 55 abuts against the action reed of the second microswitch 65 to make the second microswitch 65 in the on state. At the same time, under the action of the third tension spring 85, the stop hook 61 makes the column abut against the action reed of the first microswitch 62 to make the first microswitch 62 in the on state.

[0057] Refer to Figure 10As shown, it is a partial structural schematic diagram of the operating module in the fault (overload, open phase, leakage) tripping state in the present invention. When changing from Figure 9 state to Figure 10 state, when the device has a fault (overload, open phase, leakage), the tripping device 52 trips, causing the push rod to move leftward to push the latch 69 to rotate counterclockwise, thereby enabling the first latch 71 to disengage from the latch 69. At the same time, the upper end of the tripping cam 55 disengages from the second microswitch 65, the second microswitch 65 disconnects to release the tripping signal, and at the same time, the tripping cam 55 pushes the electromagnetic pressure plate downward.

[0058] Refer to Figure 11 As shown, it is a partial structural schematic diagram of the operating module in the short - circuit fault tripping state in the present invention. When changing from Figure 9 state to Figure 11 state, since the wire 112 passes through the opening slot 80, when the device has a short - circuit, a large current passes through the wire 112, causing the armature 83 to be attracted to the magnet, the armature 83 drives the swing hook 82 to rotate clockwise, the swing hook 82 drives the swing arm 70 and the latch 69 to rotate counterclockwise, enabling the latch 69 to disengage from the first latch 71, the tripping cam 55 rotates counterclockwise under the torque of the first tension spring 56, the upper end of the tripping cam 55 disengages from the second microswitch 65, the second microswitch 65 disconnects to release the tripping signal, and at the same time, the tripping cam 55 pushes the electromagnetic pressure plate downward.

[0059] Refer to Figure 12 As shown, it is a partial structural schematic diagram of the operating module in the manual disconnection state in the present invention. When changing from Figure 9 state to Figure 12 state, rotating the handle shaft 53 clockwise drives the linkage block 59 to rotate clockwise. The linkage block 59 cooperates with the rotating shaft 89 to make the stop hook 61 rotate clockwise, causing the column to disengage from the first microswitch 62, and the first microswitch 62 controls the energization of the electromagnetic system.

[0060] Refer to Figure 13 and Figure 15 As shown, it is a partial structural schematic diagram of the operating module in the re - latching state after tripping in the present invention. When changing from Figure 10 or Figure 11 to Figure 13 state, rotating the handle shaft 53 counterclockwise drives the protrusion 57 to rotate counterclockwise. The protrusion 57 pushes the tripping cam 55 to rotate clockwise. The protrusion 72 of the tripping cam pushes the push rod to move rightward to reset and store energy. The latch 69 rotates clockwise to reset under the torque of the second tension spring 77. At the same time, the first latch 71 of the tripping cam 55 is latched with the latch 69. The swing arm 70 rotates clockwise to reset under the action of the fourth tension spring 97, and the swing hook 82 rotates counterclockwise to reset under the action of the fifth tension spring 98, causing the armature 83 to disengage from the yoke 81.

[0061] Refer to Figure 14As shown, the outer ring of the linkage block 59 or the first arc-shaped convex block 86 can be in contact with the bracket, and the second arc-shaped convex block 87 of the linkage block 59 can be in contact with the rotating shaft 89. The bracket being in contact with three parts of the linkage block 59 respectively represents three positions of the stop hook 61, and a spring is provided between the bracket and the stop hook 61 to ensure that the bracket can firmly abut against the outer ring of the linkage block 59, the first arc-shaped convex block 86 or the second arc-shaped convex block 87, making the movement of the stop hook 61 more accurate and stable.

Claims

1. Control and protection switch electrical appliance, including a first housing and a first base, the first housing and the first base are detachably connected, characterized in that: An auxiliary module, an electromagnetic module and an operation module are arranged in the first housing, the auxiliary module comprises an upper cover, a first contact support and a second base, the first contact support is movably arranged between the upper cover and the second base, a first circuit board is detachably arranged on one side of the upper cover and the second base through a plurality of first bolts, and a second circuit board is detachably arranged on the other side through a plurality of second bolts, a plurality of groups of static contacts are arranged on the first circuit board and the second circuit board, a movable contact aligned with the static contact is arranged on the first contact support, a circular groove is arranged on the upper end of the first contact support, a first column aligned with the circular groove is arranged on the upper cover, a first spring inserted into the circular groove is sleeved on the first column, at least one limit block is arranged on both sides of the first contact support, the The first circuit board and the second circuit board are provided with a first strip-shaped through hole for allowing the limit block to be inserted and movable, first vertical plates are provided on both sides of the second base, and buckles that are buckled with the first base are provided on the outer side of the first vertical plate, and elastic buckles that are buckled with the first shell are provided on the upper end of the upper cover, and a plurality of positioning holes for inserting the first base are provided at the bottom of the second base, and positioning opening grooves for inserting the first shell are provided on both sides of the upper cover, and a first wiring frame and a second wiring frame are provided on the upper cover, the first wiring frame is connected to the first circuit board, and the second wiring frame is connected to the second circuit board, and a plurality of wiring ports are provided on the first wiring frame and the second wiring frame, and the electromagnetic module includes a detachably connected second shell and a first bracket, and a The cam frame has the advantages that one or more of the following: said cam frame has the advantages of being able to move relative to each other, and it is suitable for being used in various fields to move relative to each other, and it is suitable for being used in various fields to move relative to each other, and it is suitable for being used in various fields to move relative to each other, and it is suitable for being used in various fields to move relative to each other, and it is suitable for being used in various fields to move relative to each other, and it is suitable for being used in various fields to move relative to each other, and it is suitable for being used in various fields to move relative to each other, A pull rod is provided on the side, and hooks are provided at both ends of the pull rod. The hook at one end of the pull rod is sleeved on the second column, and the other end is sleeved on the third column. A first connecting rod is passed through the moving iron core, and both ends of the first connecting rod pass through the upper end of the pressure frame and pass through the first bracket. A transverse through hole for accommodating the movement of the first connecting rod is provided on the first bracket, and a first opening aligned with the transverse through hole is provided on the shell. An indicator rod is hinged on the first bracket, and an indicator window is provided on the first shell. The lower end of the indicator rod is provided with a first through hole for accommodating the insertion of the first connecting rod, and the upper end of the indicator rod is provided with a mark that can be aligned with the indicator window. First baffles are provided on both sides of the first push rod to prevent the pull rod from falling off. The operating module includes an upper shell and a lower shell that are detachably connected, and a mounting frame and a releaser are detachably provided on the upper shell.A handle shaft inserted into the lower housing is movably disposed on the mounting bracket and the upper housing. The upper end of the handle shaft passes through the first outer shell. A release cam is hinged in the lower housing through a first pin shaft, and the release cam is equipped with a first tension spring that urges it to rotate counterclockwise. A protrusion that can abut against the release cam is provided at the lower end of the handle shaft, and a torsion spring is sleeved on the handle shaft. A linkage block sleeved on the handle shaft is movably disposed on the mounting bracket. A second pin shaft is provided between the mounting bracket and the upper housing. A stop hook linked with the linkage block is sleeved on the second pin shaft. A first microswitch and a first arc-shaped through hole are provided on the mounting bracket. A fourth column that is inserted into the first arc-shaped through hole and can turn on the first microswitch is provided on one side of the stop hook. The other side of the stop hook can abut against the release cam. A second strip-shaped through hole through which the release cam passes through and moves is provided on the upper housing. A second microswitch aligned with the second strip-shaped through hole is provided on the mounting bracket. The release cam can turn on the second microswitch. The first pin shaft is longitudinally disposed on the lower housing, and a third pin shaft and a fourth pin shaft are also longitudinally disposed on the lower housing. A fifth pin shaft is longitudinally disposed on the release cam. One end of the first tension spring is hooked on the third pin shaft and the other end is hooked on the fifth pin shaft. A lock catch and a swing arm are sleeved on the fourth pin shaft. A first latch block that is latched with the lock catch is provided on the release cam, and a protrusion that can abut against the second push rod is provided on the release cam. A second latch block and a flat plate are provided on one side of the lock catch. The second latch block abuts against the second push rod of the release device. A limit shaft passing through the lower housing is provided on the flat plate. A second arc-shaped through hole for the limit shaft to move is provided on the lower housing. A second tension spring that urges the lock catch to rotate clockwise is provided between the flat plate and the lower housing. A connecting plate is provided at the lower end of the lower housing. A first support seat connected to the first base is provided below the connecting plate. A plurality of opening grooves are provided in the first support seat, and yokes are provided in the opening grooves. A swing hook that can hook the lower end of the swing arm is hinged at the upper end of the first support seat. An armature is provided at the lower end of the swing hook. A second bracket is hinged on the stop hook, and a third tension spring is provided between the stop hook and the mounting bracket. A first arc-shaped convex block and a second arc-shaped convex block are connected to the outer ring of the linkage block. One end of the second bracket can abut against the outer ring of the linkage block or the first arc-shaped convex block. A second spring is provided between the other end of the second bracket and the stop hook, and a rotating shaft abutting against the second arc-shaped convex block is also provided on the second bracket. One end of the torsion spring is inserted into the mounting bracket and the other end is inserted into the linkage block. The upper housing is installed on the lower housing through a plurality of third bolts, and a positioning plate bent downward is provided on the right side of the upper housing. A second through hole for the positioning plate to be inserted is provided on the lower housing. A plurality of fourth bolts that are screwed to the upper housing and the lower housing are screwed on the mounting bracket. The release device is installed on the positioning plate through a fifth bolt. The connecting plate and the first support seat are detachably connected through a sixth bolt. A sixth pin shaft is provided on the first support seat. A fourth tension spring is provided between the swing arm and the connecting plate. A fifth tension spring is provided between the sixth pin shaft and the swing hook., 2. The control and protection switch device according to claim 1, characterized in that: A cover plate is detachably provided on the first base through a plurality of screws. Second vertical plates are provided on both the front and rear sides of the cover plate. Third through holes are provided on the second vertical plates. A seventh pin shaft inserted into the third through holes is provided between the two first vertical plates. A third vertical plate aligned with the second vertical plate is provided on the first base. A sixth through hole that can be aligned with the third through hole and allows the seventh pin shaft to pass through is provided on the third vertical plate. Fourth vertical plates and fifth vertical plates are further provided on both the front and rear sides of most of the cover plates. Fourth through holes are provided on the fourth vertical plates. An eighth pin shaft inserted into the fourth through holes is provided between the two fourth through holes. Fifth through holes are provided on the fifth vertical plates. A ninth pin shaft inserted into the fifth through holes is provided between the two fifth vertical plates. A plurality of wiring frames are provided on both sides of the first base. Wires located on the cover plate are connected to the inner sides of the wiring frames.

3. The control and protection switch device according to claim 2, characterized in that: An arc extinguishing chamber and multiple groups of contact bridges are provided in the first base. The arc extinguishing chamber is composed of a left arc extinguishing chamber and a right arc extinguishing chamber. Multiple groups of static contact pieces are provided in both the left arc extinguishing chamber and the right arc extinguishing chamber. Static contact points are provided on the static contact pieces. The wires pass through the cover plate and are connected to the static contact pieces in the first base. Moving contact points aligned with the static contact points are provided on the contact bridges. Electrician ceramic arc dividing plates are provided on both the front and rear sides of each group of the contact bridges and the static contact pieces. Vertical slots for inserting the electrician ceramic arc dividing plates are provided in the first base. Second openings aligned with the contact bridges and the static contact pieces are provided in the vertical slots. A plurality of second supports that abut against the lower ends of the electrician ceramic arc dividing plates are provided at the bottom of the vertical slots.

4. The control and protection switch device according to claim 3, characterized in that: A third base and a second contact support that can penetrate the first base are provided in the first base. The contact bridge passes through the second contact support, and one end of the contact bridge extends into the left arc extinguishing chamber and the other end extends into the right arc extinguishing chamber. A circular column is provided on the third base. A third spring that extends into the second contact support and abuts against the lower end of the contact bridge is sleeved outside the circular column. An annular groove is provided on the circular column. A fourth spring that extends into the second contact support and abuts against the lower end of the contact bridge is provided in the annular groove.

5. The control and protection switch device according to claim 4, characterized in that: The second contact support includes a third bracket and a pillar. A fifth column is provided at the upper end of the third bracket. A guide groove for inserting the fifth column is provided on the bottom surface of the pillar. The pillar is made of plastic. The third bracket is made of metal, and a plurality of positioning blocks that can abut against the contact bridge are provided on the inner walls of both sides of the third bracket.

6. The control and protection switch device according to claim 3, characterized in that: Explosion-proof holes are provided on both the front and rear sides of the left arc extinguishing chamber and the right arc extinguishing chamber. A fan-shaped groove communicated with the explosion-proof holes is provided on the first base. The arc edge of the fan-shaped groove corresponding to the left arc extinguishing chamber faces left and upward. The arc edge of the fan-shaped groove corresponding to the right arc extinguishing chamber faces right and upward. A guiding slope is provided in the fan-shaped groove. An air outlet channel communicated with the left arc extinguishing chamber is provided on the left side of the first base. An air outlet channel communicated with the right arc extinguishing chamber is provided on the right side of the first base. A first groove is provided at the upper end of the inner wall of the air outlet channel. An air curtain that can shield the air outlet channel is inserted into the first groove. Vertical strip-shaped openings are provided on the left and right sides of the upper part of the air curtain.

7. The control and protection switch disconnector according to claim 2, characterized in that: The bottom of the first base is provided with a plurality of longitudinal card slots, and third openings are provided on the front and rear sides of the longitudinal card slots. One side of the inner wall of the longitudinal card slot is provided with a slope. The longitudinal card slot includes a first slot, a second slot, and a third slot. The slopes of the first slot are opposite to the slopes of the second slot and the third slot. A limiting member that can be inserted into the first slot is movably provided at the bottom of the first base. A plurality of third locking blocks that can be inserted into the first slot are provided on one side of the limiting member, and a plurality of bending portions are provided on the limiting member. A spring wire for urging the limiting member to move to the right is provided on the base, and the spring wire abuts within the bending portion. Mounting plates are movably provided at the four corners of the base. Mounting holes are provided on the outer side of the mounting plate, and active spring latches are provided on the inner side. Latch slots for inserting the active spring latches are provided on the base.

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