CN110690081A - Coil rack with adjustable height position and high-voltage direct-current relay thereof - Google Patents
Coil rack with adjustable height position and high-voltage direct-current relay thereof Download PDFInfo
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- CN110690081A CN110690081A CN201910799331.9A CN201910799331A CN110690081A CN 110690081 A CN110690081 A CN 110690081A CN 201910799331 A CN201910799331 A CN 201910799331A CN 110690081 A CN110690081 A CN 110690081A
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- retaining wall
- coil rack
- winding post
- coil
- convex
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/44—Magnetic coils or windings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
- H01H50/04—Mounting complete relay or separate parts of relay on a base or inside a case
- H01H50/041—Details concerning assembly of relays
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/44—Magnetic coils or windings
- H01H2050/446—Details of the insulating support of the coil, e.g. spool, bobbin, former
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
Abstract
The invention discloses a coil rack with adjustable height position and a high-voltage direct-current relay thereof, wherein the coil rack comprises retaining walls at the upper end and the lower end and a winding post which is connected between the upper retaining wall and the lower retaining wall in an upright state; the upper retaining wall and the lower retaining wall are approximately flat plate-shaped and square; the upper retaining wall, the lower retaining wall and the winding post are enclosed to form a winding window surrounding the winding post; at least one convex part for supporting and adjusting the height position is respectively arranged at the positions close to the edges of the two opposite sides of the bottom surface of the lower retaining wall. Through the structural improvement, the height position of the coil rack can be adjusted, and the defects caused by the mismatching of the sizes of the internal parts containing the coil rack and the iron cup in the prior art are avoided.
Description
Technical Field
The invention relates to the technical field of relays, in particular to a coil rack with adjustable height and position and a high-voltage direct-current relay thereof.
Background
A relay is an electronic control device having a control system (also called an input loop) and a controlled system (also called an output loop), which is commonly used in automatic control circuits, and which is actually an "automatic switch" that uses a small current to control a large current. Therefore, the circuit plays the roles of automatic regulation, safety protection, circuit conversion and the like.
A square epoxy sealed high-voltage direct-current relay in the prior art is usually to pack coil former and coil former wound enameled wire, yoke iron plate, interior internals such as support cover into the inner chamber of square iron cup, and the coil former is in the bottom position of iron cup, the iron cup is the opening up, because there is tolerance in the degree of depth of iron cup, when the overall height dimension of internals is less than with iron cup matched with degree of depth size, there is certain space between the inboard one side of the diapire of bottom surface and iron cup of coil former, will lead to internals to have a sinkage force, influence the performance of coil former, when the overall height dimension of internals is greater than with iron cup matched with degree of depth size, will influence the cooperation between interior support cover and the iron cup.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a coil rack with adjustable height position and a high-voltage direct-current relay thereof.
The technical scheme adopted by the invention for solving the technical problems is as follows: a coil rack with adjustable height position comprises retaining walls at the upper and lower ends and a winding post connected between the upper and lower retaining walls in an upright state; the upper retaining wall and the lower retaining wall are approximately flat plate-shaped and square; the upper retaining wall, the lower retaining wall and the winding post are enclosed to form a winding window surrounding the winding post; at least one convex part for supporting and adjusting the height position is respectively arranged at the positions close to the edges of the two opposite sides of the bottom surface of the lower retaining wall.
The convex parts are convex bracts, and two convex bracts are respectively arranged at the positions close to the edges of two opposite sides of the bottom surface of the lower retaining wall; the four protrusions are respectively located at positions near the edges corresponding to the four corners of the bottom surface of the lower blocking wall of the bobbin.
The convex part is a rib.
The winding post is circular; and the upper retaining wall and the lower retaining wall face to one side of the winding window and are also convexly extended with platforms.
The platform is a circular ring surrounding the periphery of the winding post and corresponds to the thickness of an enameled wire wound by the coil rack.
The edge of the platform also extends to the outside of the region of the thickness dimension of the enameled wire wound by the coil rack and is provided with an inclined surface.
A high-voltage direct-current relay comprises an inner support cover, an iron cup and a coil rack; the iron cup is square and is provided with an inner cavity with an upward opening; the coil rack is connected below the inner support cover; the periphery of the top end of the inner support cover is provided with an edge part protruding towards the horizontal direction; the side wall of the inner support cover and the coil rack are matched in the inner cavity of the iron cup, and the coil rack is positioned at the bottom position of the iron cup; the edge part of the inner support cover is lapped on the top end surface of the opening part of the iron cup; the coil rack comprises retaining walls at the upper end and the lower end and a winding post connected between the upper retaining wall and the lower retaining wall in an upright state; the upper retaining wall and the lower retaining wall are approximately flat plate-shaped and square; the relative both sides of the bottom surface of barricade are close to the border position and are equipped with at least one convex part respectively down, two at least convex parts support respectively in the inboard one side of the diapire of iron cup to when the clearance appears in the border portion of interior support cover and the top face of the opening of iron cup, through pushing down, receive the effect of convex part, the centre of the lower barricade of coil former sinks, and the edge of barricade upwards sticks up down, makes the clearance between the border portion of interior support cover and the top face of the opening of iron cup closed.
The upper retaining wall, the lower retaining wall and the winding post are encircled to form a winding window surrounding the winding post; and a coil pin connecting part is arranged on the upper surface of the upper retaining wall.
The convex parts are convex bracts, and two convex bracts are respectively arranged at the positions close to the edges of two opposite sides of the bottom surface of the lower retaining wall; the four protrusions are respectively located at positions close to the edges corresponding to the four corners of the bottom surface of the lower blocking wall of the coil frame.
The convex part is a rib.
The winding post is circular; and the upper retaining wall and the lower retaining wall face to one side of the winding window and are also convexly extended with platforms.
The platform is a circular ring surrounding the periphery of the winding post and corresponds to the thickness of an enameled wire wound by the coil rack.
The edge of the platform also extends to the outside of the region of the thickness dimension of the enameled wire wound by the coil rack and is provided with an inclined surface.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention adopts the structure that at least one convex part is respectively arranged at the positions close to the edges of the two opposite sides of the bottom surface of the lower retaining wall, the at least two convex parts are respectively propped against one surface of the inner side of the bottom wall of the iron cup, so that when a gap appears between the edge part of the inner supporting cover and the top end surface of the opening part of the iron cup, the middle of the lower retaining wall of the coil rack sinks under the action of the convex parts through pressing, the edge of the lower retaining wall is upwards and reversely tilted, and the gap between the edge part of the inner supporting cover and the top end surface of the opening part of the iron cup is closed. The invention adds the convex part capable of adjusting the height position of the coil rack at the bottom of the coil rack, thereby avoiding the defects caused by the unmatched sizes of the internal parts containing the coil rack and the iron cup in the prior art.
2. The invention adopts the upper and lower retaining walls, one surface of which faces the winding window is also convexly provided with a platform, the platform is in a ring shape surrounding the periphery of the winding post and corresponds to the thickness dimension of the enameled wire wound by the coil rack, and the edge of the platform is also provided with an inclined surface extending to the outside of the area of the thickness dimension of the enameled wire wound by the coil rack. According to the structure, the deformation of the upper and lower retaining walls in the process of recessing can be compensated by utilizing the inclined surfaces of the edges of the platform, so that on one hand, the close arrangement of the enameled wires can be ensured, and on the other hand, the enameled wires cannot be scratched in the winding process.
The invention is further explained in detail with the accompanying drawings and the embodiments; however, the height position adjustable coil bobbin and the high-voltage dc relay according to the present invention are not limited to the embodiments.
Drawings
Fig. 1 is a schematic configuration diagram of a bobbin of an embodiment of the present invention;
fig. 2 is a schematic view (turned over by an angle) of the configuration of the bobbin of the embodiment of the present invention;
fig. 3 is a front view of a bobbin of an embodiment of the present invention;
FIG. 4 is an enlarged schematic view of section A of FIG. 3;
fig. 5 is a schematic diagram of a partial structure of a high-voltage direct-current relay of an embodiment of the invention;
FIG. 6 is an enlarged schematic view of section B of FIG. 5;
fig. 7 is a schematic view of a state in which a bobbin of the embodiment of the present invention is compressed;
FIG. 8 is a first schematic view showing the fitting of the inner support cap, bobbin and iron cup of the comparative example;
FIG. 9 is a second schematic view showing the fitting of the inner support cap, bobbin and iron cup of the comparative example;
fig. 10 is a first schematic view of the fit of the inner support cap, bobbin and iron cup of an embodiment of the present invention;
fig. 11 is a second schematic view of the fit of the inner support cap, bobbin, and iron cup of the embodiment of the present invention.
Detailed Description
Examples
Referring to fig. 1 to 4, a height position adjustable coil bobbin of the present invention, the coil bobbin 1 includes retaining walls 11, 12 at upper and lower ends and a winding post 13 connected between the upper and lower retaining walls 11, 12 in an upright state; the upper and lower retaining walls 11, 12 are respectively in the shape of a substantially flat plate and are square; the upper and lower retaining walls 11, 12 and the winding post 13 enclose a winding window 14 surrounding the winding post; the upper surface of the upper wall 11 is provided with a coil pin connecting part 15, and the positions close to the edges of the two opposite sides of the bottom surface of the lower wall 12 are respectively provided with at least one convex part for supporting and adjusting the height position.
In this embodiment, the convex part is a convex bud 16, two convex buds 16 are respectively arranged at the positions close to the edges of two opposite sides of the bottom surface of the lower retaining wall, and the number of the two sides is four; four protrusions 16 are respectively provided at positions near the edges corresponding to four corners of the bottom surface of the lower blocking wall 12 of the bobbin 1.
In this embodiment, the winding post 13 is circular; and a platform 17 is also convexly arranged on one surface of the upper and lower retaining walls 11 and 12 facing the winding window.
In this embodiment, the platform 17 is a circular ring surrounding the periphery of the winding post 13, and corresponds to the thickness of the enameled wire wound on the coil rack.
In this embodiment, the edge of the platform 17 is further provided with a slope 171 extending outside the area of the thickness dimension of the enamel wire wound on the coil former.
The convex part in this embodiment is the convex bud 16, and of course, the convex part may be a rib.
Referring to fig. 1 to 7, the high-voltage direct-current relay of the invention comprises an inner support cover 2, an iron cup 3 and a coil rack 1; the iron cup 2 is square and is provided with an inner cavity with an upward opening; the inner support cover 2 is provided with an inner cavity with a downward opening; the coil rack 1 is connected below the inner support cover 2, a guide plate 4 and a yoke plate 5 are further arranged between the inner support cover 2 and the top surface of the coil rack 1, and magnetic steel 6 is further arranged in the guide plate 4; the high-voltage direct-current relay further comprises static contact leading-out ends 71, movable springs 72, a push rod part 73, a movable iron core 74 and the like, wherein the two static contact leading-out ends 71 are fixed at the top of the inner support cover 2, the bottom ends of the two static contact leading-out ends 71 are arranged in an inner cavity of the inner support cover 2, the movable springs 72 are accommodated in the inner cavity of the inner support cover 2, the two ends of the movable springs 72 respectively correspond to the bottom ends of the two static contact leading-out ends 71, the upper end of the push rod part 73 is connected with the movable springs 72, and the lower end of the push rod part 73 is connected with the; the periphery of the top end of the inner support cover 2 is provided with an edge part 21 protruding towards the horizontal direction; the side wall of the inner support cover 2 and the coil rack 1 are fitted in the inner cavity of the iron cup 3, and the coil rack 1 is positioned at the bottom of the iron cup 3; the edge part 21 of the inner support cover 2 is lapped on the top end surface 31 of the opening part of the iron cup 3; the coil rack 1 comprises retaining walls 11, 12 at the upper and lower ends and a winding post 13 connected between the upper and lower retaining walls 11, 12 in an upright state; the upper and lower retaining walls 11, 12 are respectively in the shape of a substantially flat plate and are square; at least one convex part is respectively arranged at the positions close to the edges of two opposite sides of the bottom surface of the lower retaining wall 12, in the embodiment, the convex parts are convex bracts 16, two convex bracts 16 are respectively arranged at the positions close to the edges of two opposite sides of the bottom surface of the lower retaining wall, and the number of the two convex bracts is four; the four protrusions 16 are respectively located at positions close to the edges corresponding to the four corners of the bottom surface of the lower baffle wall of the bobbin, so that when a gap occurs between the edge portion 21 of the inner support cover 2 and the top end surface 31 of the opening of the iron cup 3, the protrusions are pressed downward and are acted by the protrusions 16, the protrusions receive a reaction force F from the bottom wall of the iron cup 3, the middle of the lower baffle wall 12 of the bobbin 1 sinks, the edge of the lower baffle wall 12 is turned upward and is turned upward (as shown by arrows in fig. 7), and the gap between the edge portion 21 of the inner support cover 2 and the top end surface 13 of the opening of the iron cup is closed.
In this embodiment, the upper and lower retaining walls 11, 12 and the winding post 13 enclose a winding window 14 surrounding the winding post; a coil pin connection part 15 is provided on the upper surface of the upper wall 11.
In this embodiment, the winding post 13 is circular; and a platform 17 is also convexly arranged on one surface of the upper and lower retaining walls 11 and 12 facing the winding window.
In this embodiment, the platform 17 is a circular ring surrounding the periphery of the winding post, and corresponds to the thickness of the enameled wire wound by the coil rack.
In this embodiment, the edge of the platform 17 is further provided with a slope 171 extending outside the area of the thickness dimension of the enamel wire wound on the coil former.
As shown in fig. 8 and 9, when no protrusion is provided at the bottom of the bobbin 1, due to the tolerance of the depth of the iron cup 3, when the overall height dimension of the internal parts (including the inner support cap 2, the bobbin 1, etc.) is smaller than the depth dimension of the iron cup 3, a certain gap H1 exists between the bottom surface of the bobbin 1 and the inner side surface of the bottom wall of the iron cup 3, which will result in a sinking force of the internal parts and affect the performance of the bobbin, and when the overall height dimension of the internal parts is larger than the depth dimension of the iron cup 3, a gap H2 will appear between the edge portion 21 of the inner support cap 2 and the top end surface 31 of the opening portion of the iron cup 3.
As shown in fig. 10 and 11, the present invention provides a protruding bract 16 at the bottom of the coil frame 1, when the overall height dimension of the internal components (including the internal support cover 2, the coil frame 1, etc.) is smaller than the depth dimension matching with the iron cup 3, the protruding bract at the bottom of the coil frame 1 plays a role of filling the gap H1, and the bottom of the coil frame 1 contacts with the inner side surface of the bottom wall of the iron cup 3 through the protruding bract 16; when the overall height dimension of the internal parts is larger than the depth dimension matched with the iron cup 3, the middle of the lower baffle wall 12 of the coil rack 1 sinks under the action of the convex bracts 16 through pressing, the edge of the lower baffle wall 12 tilts upwards, the inner support cover 2 also sinks, the edge part 21 of the inner support cover 2 is contacted with the top end surface 31 of the opening part of the iron cup 3, and the gap H2 is closed.
The invention relates to a coil rack capable of adjusting height position and a high-voltage direct-current relay thereof, wherein at least one convex part is respectively arranged at the positions close to the edges of the two opposite sides of the bottom surface of a lower retaining wall 12, the convex parts are convex bracts, four convex bracts 16 are respectively arranged at the positions close to the edges of the four corners of the bottom surface of the lower retaining wall of the coil rack and respectively abut against one side of the inner side of the bottom wall of an iron cup 3, when a gap appears between the edge part 21 of an inner supporting cover 2 and the top end surface 31 of the opening part of the iron cup 3, the middle of the lower retaining wall 12 of the coil rack 1 sinks under the action of the convex bracts 16 through pressing, the edge of the lower retaining wall 12 is upwards and reversely tilted, and the gap between the edge part 21 of the inner supporting cover and the top end surface of the opening part of the. According to the invention, the convex bract capable of adjusting the height position of the coil rack is additionally arranged at the bottom of the coil rack, so that the defect caused by the fact that the sizes of the internal part containing the coil rack and the iron cup are not matched in the prior art is avoided.
The coil rack with the adjustable height position and the high-voltage direct-current relay thereof adopt the surfaces, facing the winding window, of the upper and lower baffle walls 11 and 12, and are also convexly provided with the platform 17, and the platform 17 is designed into a circular ring shape surrounding the periphery of a winding post and corresponds to the thickness dimension of an enameled wire wound by the coil rack; and the edge of the stage 17 is further extended with a slope 171 outside the area of the thickness dimension of the enamel wire wound on the bobbin. According to the structure, the inclined surface 171 at the edge of the platform 17 can be used for compensating the deformation of the upper and lower retaining walls during recessing, so that on one hand, the close arrangement of the enameled wires can be ensured, and on the other hand, the enameled wires cannot be scratched during winding.
The foregoing is considered as illustrative of the preferred embodiments of the invention and is not to be construed as limiting the invention in any way. Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make many possible variations and modifications to the disclosed embodiments, or equivalent modifications, without departing from the scope of the disclosed embodiments. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the protection scope of the technical scheme of the present invention, unless the technical spirit of the present invention departs from the content of the technical scheme of the present invention.
Claims (11)
1. A coil rack with adjustable height position comprises retaining walls at the upper and lower ends and a winding post connected between the upper and lower retaining walls in an upright state; the upper retaining wall and the lower retaining wall are approximately flat plate-shaped and square; the upper retaining wall, the lower retaining wall and the winding post are enclosed to form a winding window surrounding the winding post; the method is characterized in that: at least one convex part for supporting and adjusting the height position is respectively arranged at the positions close to the edges of the two opposite sides of the bottom surface of the lower retaining wall.
2. A height adjustable position coil former according to claim 1, wherein: the convex parts are convex bracts, and two convex bracts are respectively arranged at the positions close to the edges of two opposite sides of the bottom surface of the lower retaining wall; the four protrusions are respectively located at positions near the edges corresponding to the four corners of the bottom surface of the lower blocking wall of the bobbin.
3. A height adjustable position coil former according to claim 1, wherein: the convex part is a rib.
4. A height adjustable position coil former according to claim 1, 2 or 3, wherein: the winding post is circular; and the upper retaining wall and the lower retaining wall face to one side of the winding window and are also convexly extended with platforms.
5. A height adjustable position coil former according to claim 4, wherein: the platform is a circular ring surrounding the periphery of the winding post and corresponds to the thickness of an enameled wire wound by the coil rack; the edge of the platform also extends to the outside of the region of the thickness dimension of the enameled wire wound by the coil rack and is provided with an inclined surface.
6. A high-voltage direct-current relay comprises an inner support cover, an iron cup and a coil rack; the iron cup is square and is provided with an inner cavity with an upward opening; the coil rack is connected below the inner support cover; the method is characterized in that: the periphery of the top end of the inner support cover is provided with an edge part protruding towards the horizontal direction; the side wall of the inner support cover and the coil rack are matched in the inner cavity of the iron cup, and the coil rack is positioned at the bottom position of the iron cup; the edge part of the inner support cover is lapped on the top end surface of the opening part of the iron cup; the coil rack comprises retaining walls at the upper end and the lower end and a winding post connected between the upper retaining wall and the lower retaining wall in an upright state; the upper retaining wall and the lower retaining wall are approximately flat plate-shaped and square; the relative both sides of the bottom surface of barricade are close to the border position and are equipped with at least one convex part respectively down, two at least convex parts support respectively in the inboard one side of the diapire of iron cup to when the clearance appears in the border portion of interior support cover and the top face of the opening of iron cup, through pushing down, receive the effect of convex part, the centre of the lower barricade of coil former sinks, and the edge of barricade upwards sticks up down, makes the clearance between the border portion of interior support cover and the top face of the opening of iron cup closed.
7. The high-voltage direct current relay according to claim 6, characterized in that: the upper retaining wall, the lower retaining wall and the winding post are encircled to form a winding window surrounding the winding post; and a coil pin connecting part is arranged on the upper surface of the upper retaining wall.
8. The high-voltage direct current relay according to claim 7, characterized in that: the convex parts are convex bracts, and two convex bracts are respectively arranged at the positions close to the edges of two opposite sides of the bottom surface of the lower retaining wall; the four protrusions are respectively located at positions close to the edges corresponding to the four corners of the bottom surface of the lower blocking wall of the coil frame.
9. The high-voltage direct current relay according to claim 7, characterized in that: the convex part is a rib.
10. The high-voltage direct current relay according to claim 7, characterized in that: the winding post is circular; and the upper retaining wall and the lower retaining wall face to one side of the winding window and are also convexly extended with platforms.
11. The high-voltage direct current relay according to claim 10, characterized in that: the platform is a circular ring surrounding the periphery of the winding post and corresponds to the thickness of an enameled wire wound by the coil rack; the edge of the platform also extends to the outside of the region of the thickness dimension of the enameled wire wound by the coil rack and is provided with an inclined surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910799331.9A CN110690081A (en) | 2019-08-27 | 2019-08-27 | Coil rack with adjustable height position and high-voltage direct-current relay thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910799331.9A CN110690081A (en) | 2019-08-27 | 2019-08-27 | Coil rack with adjustable height position and high-voltage direct-current relay thereof |
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| Publication Number | Publication Date |
|---|---|
| CN110690081A true CN110690081A (en) | 2020-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910799331.9A Pending CN110690081A (en) | 2019-08-27 | 2019-08-27 | Coil rack with adjustable height position and high-voltage direct-current relay thereof |
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| CN (1) | CN110690081A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022253103A1 (en) * | 2021-06-03 | 2022-12-08 | 厦门宏发汽车电子有限公司 | Coil rack structure |
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2019
- 2019-08-27 CN CN201910799331.9A patent/CN110690081A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022253103A1 (en) * | 2021-06-03 | 2022-12-08 | 厦门宏发汽车电子有限公司 | Coil rack structure |
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