CN210516634U - Sealed high-voltage direct-current relay - Google Patents
Sealed high-voltage direct-current relay Download PDFInfo
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- CN210516634U CN210516634U CN201921404680.8U CN201921404680U CN210516634U CN 210516634 U CN210516634 U CN 210516634U CN 201921404680 U CN201921404680 U CN 201921404680U CN 210516634 U CN210516634 U CN 210516634U
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Abstract
The utility model discloses a sealed high-voltage direct-current relay, which comprises a stationary contact leading-out end, an inner support cover, a movable reed, a pushing rod component, an iron cup, a movable iron core and a coil rack; the two stationary contact leading-out ends are arranged at the top of the inner support cover, the inner support cover is arranged at the upper part of the iron cup, and a closed cavity is formed by the inner support cover and the iron cup; two ends of the movable reed are matched below the leading-out ends of the two static contacts in the cavity; the pushing rod component is connected between the movable reed and the movable iron core; the coil frame is arranged at the bottom of the iron cup, the coil frame is provided with vertically distributed iron core holes, the iron core holes are convexly provided with flanges from the hole wall to the hole center, the top end of the movable iron core is provided with a flange extending towards the horizontal direction, and the flange of the movable iron core is lapped on the flanges of the iron core holes of the coil frame; at least one groove for enlarging the gap between the flange and the flange is arranged on the flange of the iron core hole of the coil frame. The utility model discloses can improve the efficiency of bleeding and aerifing of product greatly.
Description
Technical Field
The utility model relates to a relay technical field especially relates to a sealed high voltage direct current relay.
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.
In the epoxy sealed high-voltage direct-current relay in the prior art, parts such as a contact part, a push rod part, a magnetic circuit part and the like of a contact part are sealed in a cavity, and the high-voltage direct-current relay is sealed by epoxy, so that gas in the cavity needs to be pumped out firstly after sealing, and then, gas such as nitrogen or hydrogen which is beneficial to arc extinction is filled in. Due to the structure, the cavity is roughly divided into an upper area and a lower area by the matching part of the passive iron core and the coil frame, the upper area is mainly the space around the contact component, the gap between the yoke and the pushing rod component is larger, so the space between the top surface of the movable iron core and the yoke also belongs to the upper area, and the lower area is mainly the space below the bottom surface of the movable iron core and the space around the coil. In the prior art, the coil frame is provided with an iron core hole used for matching with the movable iron core to move, a flange is convexly extended from the hole wall to the hole center in the iron core hole, a flange is arranged at the upper end of the movable iron core, and the flange of the movable iron core is lapped on the flange of the iron core hole of the coil frame so as to limit the position of the movable iron core when the movable iron core is restored under the action of the reset spring. Because the flange of the movable iron core is pressed on the flange of the iron core hole of the coil frame, the upper area and the lower area realize the circulation of air mainly by the gap between the flange and the flange, the lower area is difficult to achieve the effect of air suction or air inflation in a short time, and the efficiency of air suction and air inflation of a product is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a sealed high voltage direct current relay, through institutional advancement, can improve pumping and the gas filled efficiency of product greatly.
The utility model provides a technical scheme that its technical problem adopted is: a sealed high-voltage direct-current relay comprises a stationary contact leading-out end, an inner support cover, a movable reed, a pushing rod component, an iron cup, a movable iron core and a coil rack; two stationary contact leading-out terminals are arranged at the top of the inner support cover, and the bottom end of the stationary contact leading-out terminals is accommodated in the cover of the inner support cover; the inner support cover is arranged at the upper part of the iron cup and forms a closed cavity together with the iron cup; two ends of the movable reed are matched below the leading-out ends of the two static contacts in the cavity; the pushing rod component is connected between the movable reed and the movable iron core; the coil frame is arranged at the bottom of the iron cup, the coil frame is provided with vertically distributed iron core holes, the iron core holes are convexly provided with flanges from hole walls to the center of the holes, the top end of the movable iron core is provided with a flange extending towards the horizontal direction, and the flange of the movable iron core is lapped on the flanges of the iron core holes of the coil frame; at least one groove for enlarging the gap between the flange and the flange is arranged on the flange of the iron core hole of the coil frame.
The three grooves are uniformly arranged on the blocking edge of the iron core hole of the ring frame.
And in all hole walls of the iron core hole of the coil frame, which correspond to the positions above the flanges matched with the movable iron core, abdicating spaces extending towards the wall body direction of the hole walls are also arranged, so that the diameter of the hole walls above the flanges of the coil frame is larger than that of the flanges of the movable iron core.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses owing to adopted still to be equipped with at least one recess that is used for increasing gap between flange and the flange above the flange in the iron core hole of coil former. The utility model discloses a this kind of structure for the gap of the department of meeting of flange of the flange of moving the iron core and the iron core hole of coil former increases, makes the air between region and the lower region can realize the circulation betterly, can realize bleeding or aerifing the lower region in the short time, thereby can improve bleeding and the gas filled efficiency of product greatly.
2. The utility model discloses owing to adopted and increaseed the diameter size of the pore wall above the flange of coil former, make the gap increase between the pore wall on the side of movable iron core's flange and the flange of coil former, be favorable to reinforcing the circulation of air between region and the lower region, make the lower region can realize bleeding or aerifing in the short time to further improve bleeding and the gas filled efficiency of product.
The present invention will be described in further detail with reference to the accompanying drawings and examples; however, the present invention is not limited to the embodiment.
Drawings
Fig. 1 is a sectional view of a part of the structure of an embodiment of the present invention;
fig. 2 is a schematic configuration diagram of a bobbin of an embodiment of the present invention;
fig. 3 is a sectional view of a coil bobbin of an embodiment of the present invention;
fig. 4 is a schematic view of the distribution of the upper and lower regions of an embodiment of the invention;
FIG. 5 is a cross-sectional view of a portion of the structure (with the rib groove in the cross-sectional position) of an embodiment of the present invention;
fig. 6 is an enlarged schematic view of a portion a in fig. 5.
Detailed Description
Examples
Referring to fig. 1 to 6, the sealed high-voltage direct-current relay of the present invention includes a stationary contact leading-out terminal 1, an inner support cover 2, a movable reed 3, a push rod component 4, an iron cup 5, a movable iron core 6, and a coil rack 7; two stationary contact leading-out terminals 1 are arranged at the top of the inner support cover 2, and the bottom ends of the stationary contact leading-out terminals 1 are accommodated in the cover of the inner support cover 2; the inner support cover 2 is arranged at the upper part of the iron cup 5 and forms a closed cavity 10 with the iron cup 5 in an enclosing way; two ends of the movable reed 3 are matched below the two stationary contact leading-out ends 1 in the cavity 10; the push rod part 4 is connected between the movable reed 3 and the movable iron core 6; the coil rack 7 is arranged at the bottom of the iron cup 5; the coil rack 7 is provided with vertically distributed iron core holes 71, the iron core holes 71 are convexly provided with flanges 72 from the hole walls to the hole center, the top end of the movable iron core 6 is provided with a flange 61 extending towards the horizontal direction, and the flange 61 of the movable iron core is lapped on the flanges 72 of the iron core holes of the coil rack 7; the relay further comprises a yoke 81, a guide plate 82, a pumping and exhausting pipe 83, magnetic steel 84 and other components, wherein the yoke 81 is positioned on the coil rack 7, the guide plate 82 is positioned on the yoke 81, the pumping and exhausting pipe 83 is arranged at the top of the inner support cover 2 and used for pumping and exhausting the cavity 10, and the magnetic steel 84 is arranged in the guide plate 82; the space above the yoke 81 and the guide plate 82 is the peripheral space of the contact member, the space below the yoke 81 and the guide plate 82 is the coil peripheral space, because the gap between the yoke 81 and the push rod member 4 is large, the space between the top surface of the movable iron core 6 and the yoke 81 and the peripheral space of the contact member belong to an upper region M, the upper region M is directly communicated with the exhaust pipe 83, air suction or exhaust can be realized quickly, the space below the bottom surface of the movable iron core 6 and the space around the coil form a lower region N, and at least one groove 73 for enlarging the gap between the flange and the flange is further arranged on the flange 72 of the core hole of the coil frame 7, thereby enhancing the air flow between the upper region M and the lower region N.
In this embodiment, there are three grooves 73, and the three grooves 73 are uniformly formed on the rib 72 of the core hole of the bobbin.
In this embodiment, in all the hole walls of the core hole of the bobbin above the rib corresponding to the flange fitted to the movable core, a relief space 74 extending toward the wall body of the hole wall is further provided, so that the diameter of the hole wall above the rib of the bobbin is larger than the diameter of the flange 61 of the movable core 6.
The utility model discloses a sealed high-voltage direct-current relay has adopted still to be equipped with at least one recess 73 that is used for increasing the gap between flange and the flange above the flange 72 in the iron core hole of coil former. The utility model discloses a this kind of structure for the gap of the department of meeting of flange 61 of moving the iron core and the flange 72 in the iron core hole of coil former strengthens, makes the air between region M and the lower region N can realize the circulation betterly, can realize bleeding or aerifing the lower region in the short time, thereby can improve bleeding and the gas filled efficiency of product greatly. The utility model discloses still adopted the diameter size of the pore wall on the flange 72 with the coil former to strengthen, made the gap increase between the pore wall on the side of the flange 61 of movable iron core and the flange of coil former, be favorable to reinforcing the circulation of air between regional M and the lower regional N, made lower regional N can realize bleeding or aerifing in the short time to further improve bleeding and the gas filled efficiency of product, it is bled the route and is shown as the arrow in figure 5.
The foregoing is illustrative of the preferred embodiment of the present 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 limit the present invention. The technical solutions disclosed above can be used by those skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the present invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the technical solution of the present invention.
Claims (3)
1. A sealed high-voltage direct-current relay comprises a stationary contact leading-out end, an inner support cover, a movable reed, a pushing rod component, an iron cup, a movable iron core and a coil rack; two stationary contact leading-out terminals are arranged at the top of the inner support cover, and the bottom end of the stationary contact leading-out terminals is accommodated in the cover of the inner support cover; the inner support cover is arranged at the upper part of the iron cup and forms a closed cavity together with the iron cup; two ends of the movable reed are matched below the leading-out ends of the two static contacts in the cavity; the pushing rod component is connected between the movable reed and the movable iron core; the coil frame is arranged at the bottom of the iron cup, the coil frame is provided with vertically distributed iron core holes, the iron core holes are convexly provided with flanges from hole walls to the center of the holes, the top end of the movable iron core is provided with a flange extending towards the horizontal direction, and the flange of the movable iron core is lapped on the flanges of the iron core holes of the coil frame; the method is characterized in that: at least one groove for enlarging the gap between the flange and the flange is arranged on the flange of the iron core hole of the coil frame.
2. The sealed high-voltage direct-current relay according to claim 1, characterized in that: the three grooves are uniformly arranged on the blocking edge of the iron core hole of the ring frame.
3. Sealed high-voltage direct current relay according to claim 1 or 2, characterized in that: and in all hole walls of the iron core hole of the coil frame, which correspond to the positions above the flanges matched with the movable iron core, abdicating spaces extending towards the wall body direction of the hole walls are also arranged, so that the diameter of the hole walls above the flanges of the coil frame is larger than that of the flanges of the movable iron core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921404680.8U CN210516634U (en) | 2019-08-27 | 2019-08-27 | Sealed high-voltage direct-current relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921404680.8U CN210516634U (en) | 2019-08-27 | 2019-08-27 | Sealed high-voltage direct-current relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210516634U true CN210516634U (en) | 2020-05-12 |
Family
ID=70544856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921404680.8U Active CN210516634U (en) | 2019-08-27 | 2019-08-27 | Sealed high-voltage direct-current relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210516634U (en) |
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2019
- 2019-08-27 CN CN201921404680.8U patent/CN210516634U/en active Active
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