CN112509884A - Electric power is with current protector that opens circuit - Google Patents
Electric power is with current protector that opens circuit Download PDFInfo
- Publication number
- CN112509884A CN112509884A CN202011510447.5A CN202011510447A CN112509884A CN 112509884 A CN112509884 A CN 112509884A CN 202011510447 A CN202011510447 A CN 202011510447A CN 112509884 A CN112509884 A CN 112509884A
- Authority
- CN
- China
- Prior art keywords
- mounting box
- cover
- screw
- contact
- fixedly connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
- H01H71/0207—Mounting or assembling the different parts of the circuit breaker
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/08—Terminals; Connections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/14—Electrothermal mechanisms
- H01H71/20—Electrothermal mechanisms with fusible mass
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/08—Terminals; Connections
- H01H2071/088—Terminals for switching devices which make the devices interchangeable, e.g. with fuses
Landscapes
- Fuses (AREA)
Abstract
The invention discloses an open-circuit current protector for electric power, which comprises a mounting box and a fixed cover, wherein the mounting box is provided with a mounting hole; the invention can effectively ensure the stable transmission of current when the contact is electrified, can effectively ensure the high-voltage cutoff protection by connecting the fuse with the contact and the guide rod so as to realize overload protection, can effectively adjust the contact tightness of the contact by driving the screw rod through the turntable, thereby being capable of adapting to the on-off control of the circuit required by the user and simultaneously reasonably ensuring the on-off effectiveness of each connection, the four fixed covers are arranged on the periphery of the mounting box, and the adjacent ends of the contact blades and the guide rods in the fixed covers can effectively improve the transmission stability of electric signals through springs and iron beads and can realize further stable current transmission effect under the external impact, and the insulation board that utilizes the threaded rod to be equipped with through utilizing on fixed cover can make things convenient for the user independent control each way current break-make simultaneously make things convenient for circuit adjustment control.
Description
Technical Field
The invention relates to the technical field of current protectors, in particular to an open-circuit current protector for electric power.
Background
The electricity consumption for life is various for the service of social life, including the electricity consumption of resident family life, various utilities, resident life service industry and the electricity consumption of the public demand organization, etc., and the earth leakage protection circuit breaker has been called as earth leakage circuit breaker, it is a kind of switching apparatus in order to prevent the human body from electrocuting or the electric leakage causes the fire, explosion accident in the low voltage circuit, its function is when the human body electrocutes or the equipment electric leakage, cut off the supply circuit rapidly, thus avoid human body and equipment to receive the harm, and there is certain deficiency in the broken circuit current protector in the prior art when actually controlling, for example:
the open-circuit current protector in the prior art can not meet the requirements of the prior art because the structural defects of the open-circuit current protector cause interference when the open-circuit current protector controls the on-off of current, so that the current effectiveness is reduced, and certain potential safety hazards exist due to the fact that an internal cavity is burnt during current protection.
Disclosure of Invention
The present invention is directed to a circuit breaking current protector for electric power, which solves the above problems of the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a circuit breaking current protector for electric power comprises a mounting box and a fixed cover, wherein screw rods are movably inserted in the middle parts of two sides of the periphery of the mounting box near two ends, one end of each screw rod penetrates through the mounting box and is rotatably sleeved with a fixed block through a bearing, one side of each fixed block is fixedly connected with the mounting box through a screw, the peripheries of the four screw rods are all in threaded sleeve connection with connecting blocks, one side of the connecting block is fixedly connected with an installation cover through a screw, the middle part of one side of the inner wall of the installation cover is fixedly connected with a contact through a screw, a guide rod is movably inserted at the middle part of the other side of the mounting cover close to one end through a bolt, one end of the guide rod penetrates through the mounting cover and is fixedly connected with a fuse through a screw, fuse one end is through screw and contact fixed connection, the guide rod other end runs through the installation cover and fixes pegging graft with the mounting box, the positive middle part of mounting box is through screw fixed connection apron.
Preferably, the mounting box further comprises a connecting pipe, the connecting pipe is inserted in the middle of two sides of the periphery of the mounting box in a threaded manner, a sealing cover is sleeved at one end of the periphery of the connecting pipe in a threaded manner, and the interior of the connecting pipe is communicated with the interior of the mounting box.
Preferably, the mounting box further comprises a contact piece, two sides of the middle of two sides of the periphery of the mounting box are fixedly connected with a fixed cover through bolts, the middle of one end of the fixed cover is fixedly inserted with the contact piece, springs are embedded in the middle of the adjacent ends of the contact piece and the guide rod, iron beads are fixedly welded at the adjacent ends of the two springs, and the adjacent ends of the two iron beads are connected in a sliding mode.
Preferably, the middle part of one side of the fixed cover is movably inserted with an insulating plate, the insulating plate is of an L-shaped structure, the middle part of the insulating plate close to one end is inserted with a threaded rod in a threaded manner, and one end of the threaded rod is rotatably connected with the fixed cover through a bearing.
Preferably, the apron is the rectangle structure, and the apron comprises transparent organic glass, installation cover length dimension is the half of apron length dimension, and installation cover width dimension is the half of apron width dimension.
Preferably, the mounting box is a cavity type box structure, an aluminum foil layer is fixedly adhered to the inner wall of the mounting box through a colloid, paint is coated on the periphery of the mounting cover, and a fireproof layer is coated on the inner wall of the mounting cover.
Preferably, the contact is the link type structure, insulation board one end is V type structure, the mounting box inner wall all inlays all around has the gasbag, and the gasbag intussuseption is filled with dry powder agent, the peripheral one side of gasbag is located the coplanar with the mounting box inner wall.
Preferably, the contacts are in a T-shaped structure, the axial leads of two adjacent contacts are located on the same straight line, and the contacts are made of conductor materials.
Preferably, the peripheral both sides of installation cover are at mounting box inner wall sliding connection, the installation cover inner wall is L type structure, four the installation cover constitutes the quadrangular prism of closed cavity formula, and arbitrary adjacent two the adjacent face edge of installation cover all inlays and has the sealing strip.
Preferably, the other side of the screw rod penetrates through the mounting box and is fixedly connected with a turntable through a bolt, the turntable is of a disc-shaped structure, and a bearing is embedded between the periphery of the screw rod and the adjacent surface of the mounting box.
Compared with the prior art, the invention has the beneficial effects that:
the invention can effectively drive the four mounting covers to directionally slide by limiting the driving connecting block by the four screw rods arranged in the mounting box and the fixing blocks, thereby fixing the guide rod in the mounting box and simultaneously limiting the displacement of the mounting covers, effectively ensuring the stable transmission of current when the contact is electrified by the arranged contacts, effectively ensuring the high-voltage cut-off protection by connecting the fuse with the contacts and the guide rod so as to realize overload protection, effectively adjusting the contact tightness of the contacts by driving the screw rods by the turntable, reasonably ensuring the on-off effectiveness of each connection while adapting the on-off control of circuits required by users, effectively improving the transmission stability of electric signals by the four fixing covers arranged at the periphery of the mounting box and the adjacent ends of the contact pieces and the guide rods in the fixing covers by the springs and iron beads, and further realizing the stable current transmission effect when the external impact is applied, and the insulation board that utilizes the threaded rod to be equipped with through on fixed cover can make things convenient for the each way electric current break-make of convenience of customers independent control simultaneously circuit adjustment control, thereby can in time maintain through the apron that openly is equipped with at the mounting box and tear open the maintenance of changing interior device convenience of customers and then effectually remedy the not enough among the prior art.
Drawings
FIG. 1 is a schematic view of an overall half-section configuration of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 3 is a schematic front view of the present invention;
FIG. 4 is a rear view of the present invention;
FIG. 5 is a schematic top view of the present invention.
In the figure: 1-mounting a box; 11-a screw rod; 12-a turntable; 13-fixing block; 14-connecting blocks; 15-mounting a cover; 16-contacts; 17-a guide rod; 18-a fuse; 19-a connecting tube; 2-fixing the cover; 21-contact piece; 22-a spring; 23-iron beads; 24-an insulating plate; 25-a threaded rod; and 3, covering the plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1-5, the present invention provides a technical solution: an electric power circuit breaking current protector comprises a mounting box 1 and a fixed cover 2, wherein the mounting box 1 is of a cavity type box structure, an aluminum foil layer is fixedly adhered to the inner wall of the mounting box 1 through a colloid, the aluminum foil layer can effectively play a heat insulation effect to avoid the condition that internal components are easy to age due to overhigh external temperature, lead screws 11 are movably inserted in the middle parts of two sides of the periphery of the mounting box 1 close to two ends, bearings are embedded between the periphery of the lead screws 11 and the adjacent surfaces of the mounting box 1, so that the lead screws 11 can freely rotate at the connecting positions in the mounting box 1, the other side of the lead screws 11 penetrates through the mounting box 1 and is fixedly connected with a rotary disc 12 through bolts, the rotary disc 12 is of a disc-shaped structure, users can conveniently drive the lead screws 11 through the rotary disc 12, one ends of the lead screws 11 are sleeved with fixed blocks, one side of the fixed block 13 is fixedly connected with the mounting box 1 through a screw;
the periphery of the four screw rods 11 is in threaded sleeve connection with a connecting block 14, one side of the connecting block 14 is fixedly connected with an installation cover 15 through screws, two sides of the periphery of the installation cover 15 are in sliding connection with the inner wall of the installation box 1, so that the installation cover 15 can be effectively driven to slide directionally through the connecting block 14, the inner wall of the installation cover 15 is of an L-shaped structure, the four installation covers 15 form a quadrangular prism with a closed cavity, so that a secondary protection effect is achieved, sealing strips are inlaid at the edges of adjacent surfaces of any two installation covers 15, the sealing performance of the quadrangular prism with the closed cavity can be further improved through the sealing strips, paint is smeared on the periphery of the installation cover 15, an effective protection effect can be achieved through the paint, a fireproof layer is smeared on the inner wall of the installation cover 15, and a contact 16 is fixedly connected to the middle of one side, the current can be stably transmitted through the contacts 16, the contacts 16 are of a T-shaped structure, the axial leads of two adjacent contacts 16 are located on the same straight line, each contact 16 is made of a conductor material, a guide rod 17 is movably inserted into the middle part of the other side of the mounting cover 15 close to one end through a bolt, each guide rod 17 is made of a conductor material, one end of each guide rod 17 penetrates through the mounting cover 15 and is fixedly connected with a fuse 18 through a screw, one end of each fuse 18 is fixedly connected with the corresponding contact 16 through a screw, the overvoltage breaking protection effect can be effectively achieved through the corresponding fuse 18, the other end of each guide rod 17 penetrates through the mounting cover 15 and is fixedly inserted into the mounting box 1, the middle part of the front face of the mounting box 1 is fixedly connected with the cover plate 3 through a screw, the cover plate 3 is of a rectangular structure, the cover plate 3 is made of transparent organic glass, and the length of the mounting cover 15, and the mounting cover 15 has a width dimension which is one-half of the width dimension of the cover plate 3.
Example two:
referring to fig. 1-5, the present invention provides a technical solution: an electric power circuit breaking current protector comprises a mounting box 1 and a fixed cover 2, wherein the mounting box 1 is of a cavity type box structure, an aluminum foil layer is fixedly adhered to the inner wall of the mounting box 1 through a colloid, the aluminum foil layer can effectively play a heat insulation effect to avoid the condition that internal components are easy to age due to overhigh external temperature, lead screws 11 are movably inserted in the middle parts of two sides of the periphery of the mounting box 1 close to two ends, bearings are embedded between the periphery of the lead screws 11 and the adjacent surfaces of the mounting box 1, so that the lead screws 11 can freely rotate at the connecting positions in the mounting box 1, the other side of the lead screws 11 penetrates through the mounting box 1 and is fixedly connected with a rotary disc 12 through bolts, the rotary disc 12 is of a disc-shaped structure, users can conveniently drive the lead screws 11 through the rotary disc 12, one ends of the lead screws 11 are sleeved with fixed blocks, one side of the fixed block 13 is fixedly connected with the mounting box 1 through a screw;
the periphery of the four screw rods 11 is in threaded sleeve connection with a connecting block 14, one side of the connecting block 14 is fixedly connected with an installation cover 15 through screws, two sides of the periphery of the installation cover 15 are in sliding connection with the inner wall of the installation box 1, so that the installation cover 15 can be effectively driven to slide directionally through the connecting block 14, the inner wall of the installation cover 15 is of an L-shaped structure, the four installation covers 15 form a quadrangular prism with a closed cavity, so that a secondary protection effect is achieved, sealing strips are inlaid at the edges of adjacent surfaces of any two installation covers 15, the sealing performance of the quadrangular prism with the closed cavity can be further improved through the sealing strips, paint is smeared on the periphery of the installation cover 15, an effective protection effect can be achieved through the paint, a fireproof layer is smeared on the inner wall of the installation cover 15, and a contact 16 is fixedly connected to the middle of one side, the current is stably transmitted through the contacts 16, the contacts 16 are in a T-shaped structure, the axial leads of two adjacent contacts 16 are located on the same straight line, the contacts 16 are made of conductor materials, the guide rod 17 is movably inserted through a bolt at the position, close to one end, of the middle part of the other side of the mounting cover 15, the guide rod 17 is made of conductor materials, the fixed cover 2 is fixedly connected to the two sides of the middle part of the periphery of the mounting box 1 through bolts, the contact piece 21 is fixedly inserted in the middle part of one end of the fixed cover 2, the contact piece 21 is in a hanging ring type structure, springs 22 are embedded in the middle parts of the adjacent ends of the contact piece 21 and the guide rod 17, iron beads 23 are fixedly welded at the adjacent ends of the two springs 22, the adjacent ends of the two iron beads 23 are connected in a sliding mode, the two iron beads 23 are mutually extruded through the springs 22, the tightness of current conduction is improved, an insulating plate 24 is movably, the insulation board 24 is of an L-shaped structure, the insulation board 24 can effectively isolate the contact between two adjacent iron beads 23 to realize circuit breaking protection, one end of the insulation board 24 is of a V-shaped structure, the V-shaped structure can further promote the contact effect of isolating the two adjacent iron beads 23, the middle part of the insulation board 24 close to one end is provided with a threaded rod 25 in a threaded insertion mode, one end of the threaded rod 25 is rotatably connected with the fixed cover 2 through a bearing, the movable position of the insulation board 24 can be effectively driven and adjusted through the threaded rod 25 to achieve the effect of blocking and adjusting, one end of the guide rod 17 penetrates through the installation cover 15 and is fixedly connected with the fuse 18 through a screw, one end of the fuse 18 is fixedly connected with the contact 16 through a screw, the fuse 18 can effectively play the role of overvoltage circuit breaking protection, and the other end of the guide rod 17 penetrates through the installation cover, the utility model discloses a mounting box, including mounting box 1, apron 3, installation cover 15, installation cover 3, the installation cover is characterized in that the positive middle part of mounting box 1 passes through screw fixedly connected with apron 3, apron 3 is the rectangle structure, and apron 3 comprises transparent organic glass, the installation cover 15 length dimension is the half of 3 length dimensions of apron, and the installation cover 15 width dimension is the half of 3 width dimensions of apron.
Example three:
referring to fig. 1-5, the present invention provides a technical solution: an electric power circuit breaking current protector comprises a mounting box 1 and a fixed cover 2, wherein the mounting box 1 is of a cavity type box structure, an aluminum foil layer is fixedly adhered to the inner wall of the mounting box 1 through a colloid, the aluminum foil layer can effectively play a heat insulation effect to avoid the condition that internal components are easy to age due to overhigh external temperature, lead screws 11 are movably inserted in the middle parts of two sides of the periphery of the mounting box 1 close to two ends, bearings are embedded between the periphery of the lead screws 11 and the adjacent surfaces of the mounting box 1, so that the lead screws 11 can freely rotate at the connecting positions in the mounting box 1, the other side of the lead screws 11 penetrates through the mounting box 1 and is fixedly connected with a rotary disc 12 through bolts, the rotary disc 12 is of a disc-shaped structure, users can conveniently drive the lead screws 11 through the rotary disc 12, one ends of the lead screws 11 are sleeved with fixed blocks, one side of the fixed block 13 is fixedly connected with the mounting box 1 through a screw;
the periphery of the four screw rods 11 is in threaded sleeve connection with a connecting block 14, one side of the connecting block 14 is fixedly connected with an installation cover 15 through screws, two sides of the periphery of the installation cover 15 are in sliding connection with the inner wall of the installation box 1, so that the installation cover 15 can be effectively driven to slide directionally through the connecting block 14, the inner wall of the installation cover 15 is of an L-shaped structure, the four installation covers 15 form a quadrangular prism with a closed cavity, so that a secondary protection effect is achieved, sealing strips are inlaid at the edges of adjacent surfaces of any two installation covers 15, the sealing performance of the quadrangular prism with the closed cavity can be further improved through the sealing strips, paint is smeared on the periphery of the installation cover 15, an effective protection effect can be achieved through the paint, a fireproof layer is smeared on the inner wall of the installation cover 15, and a contact 16 is fixedly connected to the middle of one side, the current can be stably transmitted through the contacts 16, the contacts 16 are of a T-shaped structure, the axial leads of two adjacent contacts 16 are located on the same straight line, each contact 16 is made of a conductor material, a guide rod 17 is movably inserted into the middle part of the other side of the mounting cover 15 close to one end through a bolt, each guide rod 17 is made of a conductor material, one end of each guide rod 17 penetrates through the mounting cover 15 and is fixedly connected with a fuse 18 through a screw, one end of each fuse 18 is fixedly connected with the corresponding contact 16 through a screw, the overvoltage breaking protection effect can be effectively achieved through the corresponding fuse 18, the other end of each guide rod 17 penetrates through the mounting cover 15 and is fixedly inserted into the mounting box 1, the middle part of the front face of the mounting box 1 is fixedly connected with the cover plate 3 through a screw, the cover plate 3 is of a rectangular structure, the cover plate 3 is made of transparent organic glass, and the length of the mounting cover 15, and the width dimension of the mounting cover 15 is one half of the width dimension of the cover plate 3, connecting pipes 19 are inserted in the middle parts of two peripheral sides of the mounting box 1 in a threaded manner, protective gas is conveniently filled in the mounting box 1 through the connecting pipes 19, a sealing cover is sleeved at one peripheral end of each connecting pipe 19 in a threaded manner, the sealing cover is convenient to plug and promote air tightness, the connecting pipes 19 are communicated with the inside of the mounting box 1, air bags are all embedded in the periphery of the inner wall of the mounting box 1, dry powder is filled in the air bags, the dry powder arranged in the air bags can effectively play a spark extinguishing effect, so that the safety is improved, and one peripheral side of each air bag and the inner wall of the mounting.
The working principle is as follows: when the installation box is used, the four lead screws 11 arranged in the installation box 1 limit the driving connecting blocks 14 by means of the fixed blocks 13, so that the four installation covers 15 can effectively drive the contacts 16 to perform directional sliding, the guide rods 17 can fix in the installation box 1 and limit the displacement of the installation covers 15, the contacts 16 arranged can effectively ensure the stable transmission of current when in contact power-on, the fuse 18 is connected with the contacts 16 and the guide rods 17 to effectively ensure high-voltage cut-off protection so as to realize overload protection, and meanwhile, the contact tightness of the contacts 16 can be effectively adjusted by driving the lead screws through the rotary disc 12, so that the on-off effectiveness of each connection can be reasonably ensured while the on-off control of circuits required by users can be adapted, and the transmission stability of electric signals can be effectively improved by the four fixed covers 2 arranged on the periphery of the installation box 1 and the contact pieces 21 in the fixed covers 2 and the adjacent ends of the guide rods 17 through the springs 22 and the iron balls 23 Enough realize further firm current transmission effect receiving external impact, and make things convenient for circuit adjustment control when the insulation board 24 that utilizes the threaded rod 25 to be equipped with can each way electric current break-make of convenience of customers independent control through on fixed cover 2, thereby can in time maintain through apron 3 that openly is equipped with at mounting box 1 and tear open the maintenance of trading inside device convenience of customers.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. An open circuit current protector for electric power, comprising:
a mounting box (1);
a stationary cover (2);
the middle parts of two sides of the periphery of the mounting box (1) close to two ends are movably inserted with screw rods (11), one end of each screw rod (11) penetrates through the mounting box (1) and is rotatably sleeved with a fixed block (13) through a bearing, and one side of each fixed block (13) is fixedly connected with the mounting box (1) through a screw;
four equal screw thread of lead screw (11) periphery has cup jointed connecting block (14), connecting block (14) one side is through screw fixedly connected with installation cover (15), installation cover (15) inner wall one side middle part is through screw fixedly connected with contact (16), installation cover (15) opposite side middle part is close to one end department and has been pegged graft through the bolt activity and have guide bar (17), guide bar (17) one end is run through installation cover (15) and is passed through screw fixedly connected with fuse (18), fuse (18) one end is passed through screw and contact (16) fixed connection, guide bar (17) other end runs through installation cover (15) and is pegged graft with mounting box (1) fixed, mounting box (1) openly middle part is passed through screw fixedly connected with apron (3).
2. A circuit breaker according to claim 1 wherein: the mounting box (1) further comprises:
a connecting pipe (19);
connecting pipes (19) are inserted in the middle parts of two peripheral sides of the mounting box (1) in a threaded manner, a sealing cover is sleeved at one peripheral end of each connecting pipe (19) in a threaded manner, and the inside of each connecting pipe (19) is communicated with the inside of the mounting box (1).
3. A circuit breaker according to claim 1 wherein: the mounting box (1) further comprises:
a contact piece (21);
the mounting box is characterized in that two sides of the middle of two peripheral sides of the mounting box (1) are fixedly connected with fixing covers (2) through bolts, the middle of one end of each fixing cover (2) is fixedly inserted with a contact piece (21), springs (22) are embedded in the middle of the adjacent ends of the contact piece (21) and the guide rod (17), iron beads (23) are fixedly welded at the adjacent ends of the two springs (22), and the adjacent ends of the two iron beads (23) are in sliding connection.
4. A circuit breaker according to claim 3 in which: the insulation board (24) is movably inserted in the middle of one side of the fixed cover (2), the insulation board (24) is of an L-shaped structure, a threaded rod (25) is inserted in the middle of the insulation board (24) close to one end of the insulation board in a threaded mode, and one end of the threaded rod (25) is rotatably connected with the fixed cover (2) through a bearing.
5. A circuit breaker according to claim 1 wherein: the cover plate (3) is of a rectangular structure, the cover plate (3) is made of transparent organic glass, the length of the installation cover (15) is half of the length of the cover plate (3), and the width of the installation cover (15) is half of the width of the cover plate (3).
6. A circuit breaker according to claim 1 wherein: the mounting box (1) is a cavity type box body structure, an aluminum foil layer is fixedly adhered to the inner wall of the mounting box (1) through glue, paint is smeared on the periphery of the mounting cover (15), and a fireproof layer is smeared on the inner wall of the mounting cover (15).
7. An open circuit current protector for electric power as claimed in claim 4, wherein: contact (21) are link type structure, insulation board (24) one end is V type structure, mounting box (1) inner wall all inlays all around has the gasbag, and the gasbag intussuseption is filled with dry powder agent, the peripheral one side of gasbag is located the coplanar with mounting box (1) inner wall.
8. A circuit breaker according to claim 1 wherein: the contact (16) is of a T-shaped structure, the axial leads of two adjacent contacts (16) are located on the same straight line, and the contacts (16) are made of conductor materials.
9. A circuit breaker according to claim 1 wherein: installation cover (15) peripheral both sides are at mounting box (1) inner wall sliding connection, installation cover (15) inner wall is L type structure, four installation cover (15) constitute the quadrangular prism of closed cavity formula, and arbitrary adjacent two installation cover (15) looks proximal face edge all inlays and has the sealing strip.
10. A circuit breaker according to claim 1 wherein: the other side of the screw rod (11) penetrates through the mounting box (1) and is fixedly connected with a turntable (12) through a bolt, the turntable (12) is of a disc-shaped structure, and a bearing is embedded between the periphery of the screw rod (11) and the adjacent surface of the mounting box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011510447.5A CN112509884A (en) | 2020-12-18 | 2020-12-18 | Electric power is with current protector that opens circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011510447.5A CN112509884A (en) | 2020-12-18 | 2020-12-18 | Electric power is with current protector that opens circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112509884A true CN112509884A (en) | 2021-03-16 |
Family
ID=74922773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011510447.5A Withdrawn CN112509884A (en) | 2020-12-18 | 2020-12-18 | Electric power is with current protector that opens circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112509884A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113189380A (en) * | 2021-05-05 | 2021-07-30 | 韩芳 | Application method of intelligent electric meter |
-
2020
- 2020-12-18 CN CN202011510447.5A patent/CN112509884A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113189380A (en) * | 2021-05-05 | 2021-07-30 | 韩芳 | Application method of intelligent electric meter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112509884A (en) | Electric power is with current protector that opens circuit | |
| CN104752984A (en) | Environmentally-friendly gas insulated switching cabinet and operation method thereof | |
| CN110932141A (en) | Intelligent cooling device for electric power high-voltage switch cabinet and use method thereof | |
| CN207732322U (en) | A kind of fule shut-off valve cabinet | |
| CN105633849A (en) | SF6 insulating vacuum boundary switch cabinet | |
| CN105071277A (en) | Environment-friendly inflatable ring main unit | |
| CN107508156A (en) | A kind of moistureproof elimination electric arc loop-network switch cabinet | |
| CN107833811B (en) | A kind of moulded case circuit breaker | |
| CN208751732U (en) | A kind of system for monitoring temperature of high voltage equipment | |
| CN211016892U (en) | Circuit breaker device for high-voltage electric equipment | |
| CN205985929U (en) | Indoor box floatless switch cabinet | |
| CN107863757B (en) | Switch the emergency protection method of divide-shut brake | |
| CN210378874U (en) | Insulation can applied to sulfur hexafluoride circuit breaker and convenient to disassemble and assemble | |
| CN109148207B (en) | Main loop transmission structure for outdoor pole switch | |
| CN103236369B (en) | Solid insulation disconnecting switch | |
| CN208094172U (en) | A kind of humidity relay protector for power transformation box | |
| CN207637659U (en) | A kind of arrester arcing protective device | |
| CN108010757B (en) | Switch the emergency protecting equipment of divide-shut brake | |
| CN206774463U (en) | A kind of breaker of dust-proof radiating | |
| CN214227499U (en) | Distribution box with auxiliary heat dissipation mechanism | |
| CN212625353U (en) | Switch-off device of operating mechanism of circuit breaker of gas-insulated switchgear | |
| CN203747287U (en) | Solid insulation ring network cabinet | |
| CN214099488U (en) | Self-driven vacuum double-arc-extinguishing-chamber cut-off circuit breaker | |
| CN211376574U (en) | Circuit breaker moving contact mounting structure | |
| CN217848682U (en) | High-radiating high-voltage power distribution cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210316 |