CN118522617A - Digital display leakage circuit breaker - Google Patents
Digital display leakage circuit breaker Download PDFInfo
- Publication number
- CN118522617A CN118522617A CN202410977230.7A CN202410977230A CN118522617A CN 118522617 A CN118522617 A CN 118522617A CN 202410977230 A CN202410977230 A CN 202410977230A CN 118522617 A CN118522617 A CN 118522617A
- Authority
- CN
- China
- Prior art keywords
- outer shell
- fixedly arranged
- sliding
- sides
- groups
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
- H01H73/02—Details
- H01H73/18—Means for extinguishing or suppressing arc
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
-
- 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
- H01H71/04—Means for indicating condition of the switching device
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanisms For Operating Contacts (AREA)
- Breakers (AREA)
Abstract
The invention provides a digital display residual current circuit breaker, which relates to the technical field of circuit breakers and comprises: the technical field of circuit breakers; the outer shell is of an assembled structure formed by combination, and a display meter is fixedly arranged at the top of the outer shell; an annular meter with a built-in current transformer is fixedly arranged above the front end of the inner bottom surface of the outer shell; three groups of mounting frames are fixedly arranged above the front side of the inner bottom surface of the outer shell, and the mounting frames are turned backwards; two groups of side guide rods are fixedly arranged behind two sides of the outer shell; the gas storage piston is arranged, an arc-proof function is provided, negative pressure is generated between the T-shaped connecting rod and the electric pile when the T-shaped connecting rod is separated from the electric pile, sulfur hexafluoride in the gas storage piston is sucked, the T-shaped connecting rod and the electric pile are isolated through the sulfur hexafluoride, the arc is thoroughly eliminated, otherwise, when the T-shaped connecting rod is attached to the electric pile on the same side, the sulfur hexafluoride is backfilled into the gas storage piston, the safety protection of the circuit breaker is realized, and the problem that the existing circuit breaker lacks the arc-proof function is solved.
Description
Technical Field
The invention relates to the technical field of circuit breakers, in particular to a digital display leakage circuit breaker.
Background
The circuit breaker mainly provides the function of switching circuit, does not generally possess the function of detecting electric leakage, and the means of using the clamp meter to measure commonly used is that through current transformer detection, ampere loop theorem, the magnetic field intensity that the current through a conductor produced is directly proportional with the electric current, and equipment generally adopts three-phase electricity, and it is comparatively troublesome to detect alone, and the circuit breaker of present use has following shortcoming:
1. The lack of an arc-preventing structure is easy to cause arc discharge due to excessive current when the circuit breaker is disconnected, so that the circuit breaker is damaged due to temperature rise;
2. the lack of a convenient and stable opening and closing control structure is inconvenient to control the opening and closing;
3. A monitoring structure for detecting the arc-preventing gas is lacking.
Disclosure of Invention
In view of the above, the present invention provides a digital leakage breaker having a pressure sensor capable of detecting the pressure of arc-preventing gas and monitoring the total amount of sulfur hexafluoride. The invention provides a digital display residual current circuit breaker, which specifically comprises: the outer shell is of an assembled structure formed by combination, and a display meter is fixedly arranged at the top of the outer shell; an annular meter with a built-in current transformer is fixedly arranged above the front end of the inner bottom surface of the outer shell; three groups of mounting frames are fixedly arranged above the front side of the inner bottom surface of the outer shell, and the mounting frames are turned backwards; two groups of side guide rods are fixedly arranged behind two sides of the outer shell; three groups of gas storage pistons are fixedly arranged on the middle front side of the top of the bottom surface in the outer shell, and sulfur hexafluoride is filled in the gas storage pistons; the front sides of the tops of the mounting frames are fixedly provided with insulating cylinders; three groups of positioning connecting piles are fixedly arranged on the middle rear side of the top of the outer shell, and the positioning connecting piles are the same as the mounting frame in height; the positioning connecting piles are aligned with the mounting frame in front-back direction, and insulating pipes are fixedly arranged between the positioning connecting piles and the upper part of the mounting frame; the sliding frame is driven, two groups of sliding supports are fixedly arranged on two sides of the front end of the driving sliding frame, the lower parts of the sliding supports slide outside the side guide rods, and springs are sleeved on the front sides of the outer parts of the side guide rods.
Optionally, the bottom edges of the air storage pistons are provided with air adjusting holes; a sliding piston is arranged below the inside of the gas storage piston in a sliding way, and the lower part of the sliding piston is in a reverse taper shape; a connecting air row is fixedly connected above the front sides of the three groups of air storage pistons, and a trigger type one-way valve is fixedly arranged on one side of the connecting air row; the outer shell is provided with a through hole for accommodating the trigger type one-way valve; check valves are arranged on the transverse and longitudinal sides of the branches connected with the gas row; the upper parts of the rear sides of the air storage pistons are fixedly connected with pressure sensors, and the pressure sensors are connected with a processor in the middle of the top of the outer shell.
Optionally, a limiting edge is integrally arranged on the front side of the outer part of the insulating cylinder, and an edge angle edge is fused on the front end edge of the insulating cylinder; a sliding cover is arranged between the limiting edge and the corner edge in a sliding manner, and a spring is further arranged on the rear side of the sliding cover; the inside of the insulating cylinder is fixedly provided with a power receiving pile which is positioned at the front end of the inside of the insulating tube; an inflow terminal is fixedly arranged below the front end of the electric pile, and a nose post for installing a wiring nose is integrally arranged above the inflow terminal; the upper part of the front end of the insulating tube is rotatably provided with a movable end cover, and the bottom of the movable end cover is provided with a spring capable of automatically supporting the movable end cover.
Optionally, the inside top of location connection stake is fixed and is provided with the connection sliding sleeve, sets up the circuit in the connection sliding sleeve and pass the bottom rear fixedly connected with outlet terminal of location connection stake, and outlet terminal fixes the top rear side at the shell body inner bottom surface.
Optionally, a T-shaped connecting rod is slidably arranged at the rear inside of the insulating tube, and the front end of the T-shaped connecting rod is contacted with the electric pile; the bottom of the insulating tube is connected with the top of the gas storage piston in a sealing way, and the connecting position is positioned below the contact position of the electric pile and the T-shaped connecting rod.
Optionally, sideslip piles are fixedly arranged in the middle of two sides of the driving sliding frame; three groups of T-shaped joints are arranged at the rear side of the inner part of the driving sliding frame in a sliding way, and springs are sleeved outside the T-shaped joints; the rear end of the T-shaped connecting rod is connected with the front side of the driving sliding frame in a sliding way, and the T-shaped joint is attached to the rear end of the T-shaped connecting rod through the acting force of an external spring.
Optionally, two groups of transmission seats are fixedly arranged at the rear parts of two sides of the top of the bottom surface in the outer shell, a poking rotating rod is rotatably arranged on the adjacent surfaces of the transmission seats at two sides, a through groove structure is arranged in the middle of the poking rotating rod, and the sideslip pile slides in the through groove structure; the driven gear is fixedly arranged at the outer end of the rotating shaft for stirring the rotating rod; the transmission seat is provided with an L-shaped rack outside, the L-shaped rack is in sliding connection with the transmission seat through a sliding rod, and the L-shaped rack is meshed with the driven gear.
Optionally, two groups of electromagnets are fixedly arranged on the two sides of the top of the inner bottom surface of the outer shell near the front, button switches are connected between the electromagnets and the processor, the button switches are fixed in the middle of the two sides of the top of the inner bottom surface of the outer shell, and through holes for accommodating button switches are formed in the two sides of the outer shell.
The beneficial effects are as follows: 1. the gas storage piston is arranged, an arc-proof function is provided, negative pressure is generated between the T-shaped connecting rod and the electric pile when the T-shaped connecting rod is separated from the electric pile, sulfur hexafluoride in the gas storage piston is sucked, the T-shaped connecting rod and the electric pile are isolated through the sulfur hexafluoride, the arc is thoroughly eliminated, otherwise, when the T-shaped connecting rod is attached to the electric pile on the same side, the sulfur hexafluoride is backfilled into the gas storage piston, and the safety protection of the circuit breaker is realized. 2. Utilize stirring the bull stick, provide the natural driving function of switching, backward adsorb L shape rack when the electro-magnet is put through, drive driven gear rotation, stir the bull stick simultaneously and rotate forward, utilize stirring the bull stick and drive the stake that sideslips and move forward with the drive slip frame, cooperation T shape connects and advances the T shape and connect the pole forward, and three T shape connects and advance T shape respectively connect the pole and can carry out automatic adaptation, guarantees the intercommunication of circuit. 3. The pressure sensor is arranged, so that the pressure of arc-proof gas can be detected, sulfur hexafluoride can be filled by utilizing the trigger type one-way valve, the sulfur hexafluoride is filled into the gas storage piston in a synchronous supplementing mode, the arc-proof effect can be ensured, and the total amount of the sulfur hexafluoride is monitored.
Drawings
Fig. 1 shows a schematic perspective view of an embodiment according to the present invention;
FIG. 2 shows a schematic diagram of an isometric structure according to an embodiment of the invention;
FIG. 3 shows a schematic cross-sectional view of a closed state according to an embodiment of the invention;
FIG. 4 illustrates a schematic side cross-sectional structure of FIG. 3, according to an embodiment of the present invention;
FIG. 5 shows a schematic cross-sectional structural view of an open circuit state according to an embodiment of the present invention;
FIG. 6 illustrates another angular structural schematic of FIG. 5, according to an embodiment of the present invention;
FIG. 7 shows a schematic diagram of an energized structure according to an embodiment of the invention;
fig. 8 shows a schematic diagram of a connection structure of an inflow terminal according to an embodiment of the present invention.
List of reference numerals
1. An outer housing; 101. a ring table; 102. a mounting frame; 103. a side guide bar; 2. a gas-storage piston; 201. air holes are adjusted; 202. a sliding piston; 203. connecting an air exhaust; 204. triggering type one-way valve; 205. a non-return valve; 206. a pressure sensor; 3. an insulating cylinder; 301. a limit edge; 302. edge angle edges; 303. a sliding cover; 304. a power connection pile; 305. a current inlet terminal; 306. a movable end cover; 4. positioning the connecting piles; 401. the sliding sleeve is connected; 402. an outlet terminal; 5. an insulating tube; 6. t-shaped connecting rods; 7. driving a sliding frame; 701. a sliding support; 702. sideslip pile; 703. a T-joint; 8. a transmission seat; 801. the rotating rod is poked; 802. a driven gear; 803. an L-shaped rack; 804. a slide bar; 9. an electromagnet; 10. a push button switch.
Detailed Description
In order to make the objects, aspects and advantages of the technical solution of the present invention more clear, the technical solution of the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings of the specific embodiment of the present invention.
Example 1: please refer to fig. 1 to 8: the invention provides a digital display residual current circuit breaker, which comprises: the outer shell 1, the outer shell 1 is an assembled structure formed by combination, and a display meter is fixedly arranged at the top of the outer shell 1; an annular meter 101 with a built-in current transformer is fixedly arranged above the front end of the inner bottom surface of the outer shell 1; three groups of mounting frames 102 are fixedly arranged above the front side of the inner bottom surface of the outer shell 1, and the mounting frames 102 are turned backwards; two groups of side guide rods 103 are fixedly arranged behind two sides of the outer shell 1; three groups of gas storage pistons 2 are fixedly arranged on the middle front side of the top of the inner bottom surface of the outer shell 1, and sulfur hexafluoride is filled in the gas storage pistons 2; the front sides of the tops of the mounting frames 102 are fixedly provided with insulating cylinders 3; three groups of positioning connecting piles 4 are fixedly arranged on the middle rear side of the top of the outer shell 1, and the positioning connecting piles 4 are the same as the mounting frame 102 in height; the positioning connecting pile 4 is aligned with the mounting frame 102 in front-back direction, and an insulating tube 5 is fixedly arranged between the positioning connecting pile 4 and the upper part of the mounting frame 102; the driving sliding frame 7, two groups of sliding brackets 701 are fixedly arranged on two sides of the front end of the driving sliding frame 7, the lower part of the sliding brackets 701 slides outside the side guide rod 103, and a spring is sleeved on the front side outside the side guide rod 103.
Wherein, the bottom edge of the air storage piston 2 is provided with air adjusting holes 201; a sliding piston 202 is arranged below the inside of the gas storage piston 2 in a sliding way, and the lower part of the sliding piston 202 is in an inverse conical shape; a connecting air row 203 is fixedly connected above the front sides of the three groups of air storage pistons 2, and a trigger type one-way valve 204 is fixedly arranged on one side of the connecting air row 203; the outer shell 1 is provided with a through hole for accommodating the trigger type one-way valve 204; check valves 205 are arranged on the lateral and longitudinal sides of the branches connected with the gas row 203; the upper parts of the rear sides of the air storage pistons 2 are fixedly connected with pressure sensors 206, and the pressure sensors 206 are connected with a processor in the middle of the top of the outer shell 1.
Wherein, the front side of the outside of the insulating cylinder 3 is integrally provided with a limit edge 301, and the front end edge of the insulating cylinder 3 is fused with an edge angle edge 302; a sliding cover 303 is arranged between the limit edge 301 and the corner edge 302 in a sliding manner, and a spring is further arranged on the rear side of the sliding cover 303; the inside of the insulating cylinder 3 is fixedly provided with a power receiving pile 304, and the power receiving pile 304 is positioned at the front end of the inside of the insulating tube 5; an inflow terminal 305 is fixedly arranged below the front end of the power receiving pile 304, and a nose post for installing a wiring nose is integrally arranged above the inflow terminal 305; a movable end cover 306 is rotatably arranged above the front end of the insulating tube 5, and a spring capable of automatically supporting the movable end cover 306 is arranged at the bottom of the movable end cover 306.
Wherein, the inside top of location connecting pile 4 is fixed and is provided with connection sliding sleeve 401, sets up the circuit in the connection sliding sleeve 401 and passes the bottom rear fixedly connected with outlet terminal 402 of location connecting pile 4, and outlet terminal 402 is fixed at the top rear side of the inner bottom surface of shell body 1.
Wherein, the T-shaped connecting rods 6 are arranged at the rear of the inside of the insulating tube 5 in a sliding way, and the front ends of the T-shaped connecting rods 6 are contacted with the electric pile 304; the bottom of the insulating tube 5 is connected with the top of the gas storage piston 2 in a sealing way, and the connection part is positioned below the contact position of the electric pile 304 and the T-shaped connecting rod 6.
Side sliding piles 702 are fixedly arranged in the middle of two sides of the driving sliding frame 7; three sets of T-shaped joints 703 are arranged on the rear side of the inner part of the driving sliding frame 7 in a sliding way, and springs are sleeved outside the T-shaped joints 703; the rear end of the T-bar 6 is slidably connected to the front side of the drive slide frame 7, and the T-joint 703 is fitted to the rear end of the T-bar 6 by the force of an external spring.
Wherein, two groups of transmission seats 8 are fixedly arranged at the rear parts of the two sides of the top of the inner bottom surface of the outer shell 1, a poking rotating rod 801 is rotatably arranged on the adjacent surfaces of the transmission seats 8 at the two sides, a through groove structure is arranged in the middle of the poking rotating rod 801, and the sideslip pile 702 slides in the through groove structure; a driven gear 802 is fixedly arranged at the outer end of the rotating shaft of the poking rotating rod 801; an L-shaped rack 803 is arranged outside the transmission seat 8, the L-shaped rack 803 is slidably connected with the transmission seat 8 through a sliding rod 804, and the L-shaped rack 803 is also meshed with the driven gear 802.
Wherein, the top both sides of the inner bottom surface of shell 1 are close to the fixed two sets of electro-magnets 9 of the place ahead, all connect between electro-magnet 9 and the treater and be provided with button switch 10, button switch 10 is fixed in the middle of the top both sides of the inner bottom surface of shell 1, and the through-hole that holds button switch 10 button has been seted up to the both sides of shell 1.
As shown in fig. 1-8, when in use, the outer shell 1 is assembled in the device, the outlet terminal 402 is connected with the contactor, the sliding cover 303 is pushed open, the movable end cover 306 is automatically unfolded through a spring, branch wires separated by three-phase wires are connected through a wire connection nose, the wire connection nose is sleeved outside the inflow terminal 305, then the sliding cover 303 is slid outside the inflow terminal 305, and meanwhile, the sliding cover 303 seals the movable end cover 306; three groups of electric piles 304 are monitored simultaneously through the annular meter 101 and fed back, and current passes through the electric piles 304, the T-shaped connecting rod 6 and the connecting sliding sleeve 401 from the inlet terminal 305 and is output from the outlet terminal 402;
when the electric leakage is detected to be overhauled, the push button switches 10 on two sides are pressed to disconnect the electromagnet 9, at the moment, the spring outside the side guide rod 103 pushes the sliding bracket 701 to drive the sliding frame 7 to move backwards, and the driving sliding frame 7 pulls the three groups of T-shaped connecting rods 6 to synchronously move backwards, so that the T-shaped connecting rods 6 are separated from the electric connection piles 304;
Because the three-phase electricity is directly short-circuited and the electric arc is easily pulled out, the T-shaped connecting rod 6 and the electric pile 304 are easily burnt out due to the high temperature of the electric arc, so that sulfur hexafluoride is filled in the gas storage piston 2, and the pressure of the sulfur hexafluoride is higher than the external air pressure during filling, so that the pressure sensor 206 can detect the change.
Example 2: on the basis of embodiment 1, when the electric energy storage device is electrified, normally closed is utilized to trigger normally open through a contact technology, the electromagnet 9 is connected, the L-shaped rack 803 is adsorbed backwards, the driven gear 802 is driven to rotate, meanwhile, the rotating rod 801 is stirred to rotate forwards, the sideslip pile 702 is driven to move forwards by the rotating rod 801, the sliding frame 7 is driven to move forwards, the T-shaped connecting rod 6 is pushed forwards by matching with the T-shaped connector 703, a passage is formed when the T-shaped connecting rod 6 contacts the electric pile 304, three groups of T-shaped connectors 703 respectively push the T-shaped connecting rod 6 to be automatically adapted, the T-shaped connecting rod 6 is guaranteed to be attached to the electric pile 304 on the same side, and at the moment, sulfur hexafluoride is backfilled into the air storage piston 2.
Example 3: on the basis of embodiment 1, the manual processing mode is adopted to press the button switches 10 on two sides to disconnect the electromagnet 9, the electromagnet 9 cannot be automatically closed after being disconnected, manual signal triggering is needed to be adopted to start the electromagnet 9 by electrifying, and the button switches 10 can be controlled by adopting electric switches and other remote control switches instead.
Specific use and action of the embodiment: in the invention, when in use, the outer shell 1 is assembled in the equipment, the outlet terminal 402 is connected with the contactor, the sliding cover 303 is pushed open, the movable end cover 306 is automatically unfolded through the spring, branch wires separated by three-phase wires are connected through the connecting nose, the connecting nose is sleeved outside the inflow terminal 305, then the sliding cover 303 is slid outside the inflow terminal 305, and meanwhile, the sliding cover 303 seals the movable end cover 306;
Three groups of electric piles 304 are monitored simultaneously through the annular meter 101 and fed back, and current passes through the electric piles 304, the T-shaped connecting rod 6 and the connecting sliding sleeve 401 from the inlet terminal 305 and is output from the outlet terminal 402;
When the electric leakage is detected to be overhauled, the push button switches 10 on two sides are pressed to disconnect the electromagnet 9, at the moment, the spring outside the side guide rod 103 pushes the sliding bracket 701 to drive the sliding frame 7 to move backwards, and the driving sliding frame 7 pulls the three groups of T-shaped connecting rods 6 to synchronously move backwards, so that the T-shaped connecting rods 6 are separated from the electric connection piles 304; at the moment, negative pressure is generated between the T-shaped connecting rod 6 and the electric pile 304, sulfur hexafluoride in the gas storage piston 2 is sucked, the T-shaped connecting rod 6 and the electric pile 304 are isolated through the sulfur hexafluoride, and the electric arc is thoroughly eliminated; if sulfur hexafluoride loss is lost after long-term use, the supplementing tool is utilized to supplement the pressurization of the trigger-type one-way valve 204;
on the contrary, when the electric power is on, normally closed is utilized to trigger normally open through a contact technology, the electromagnet 9 is connected, the L-shaped rack 803 is adsorbed backwards, the driven gear 802 is driven to rotate, meanwhile, the rotating rod 801 is stirred to rotate forwards, the sliding pile 702 is driven to move forwards by the stirring rotating rod 801, the sliding frame 7 is driven to move forwards, the T-shaped connecting rod 6 is pushed forwards in cooperation with the T-shaped joint 703, and a passage is formed when the T-shaped connecting rod 6 contacts the electric pile 304; because the length of the electric pile 304 will generate a certain error after long-term use, three groups of T-shaped connectors 703 are adopted to respectively push the T-shaped connecting rods 6 to automatically adapt, so that the T-shaped connecting rods 6 are guaranteed to be attached to the electric pile 304 on the same side, at the moment, sulfur hexafluoride is backfilled into the air storage piston 2, the sliding piston 202 descends, the sulfur hexafluoride still keeps higher than the external air pressure, and the air storage piston is manually filled when the pressure sensor 206 warns that the pressure is reduced.
Claims (8)
1. A digital display earth leakage breaker is characterized by comprising: the device comprises an outer shell body (1), wherein the outer shell body (1) is an assembled structure formed by combination, and a display meter is fixedly arranged at the top of the outer shell body (1); an annular meter (101) with a built-in current transformer is fixedly arranged above the front end of the inner bottom surface of the outer shell (1); three groups of mounting frames (102) are fixedly arranged above the front side of the inner bottom surface of the outer shell (1), and the mounting frames (102) are turned backwards upwards; two groups of side guide rods (103) are fixedly arranged behind two sides of the outer shell (1); three groups of gas storage pistons (2) are fixedly arranged on the middle front side of the top of the inner bottom surface of the outer shell (1), and sulfur hexafluoride is filled in the gas storage pistons (2); the front sides of the tops of the mounting frames (102) are fixedly provided with insulating cylinders (3); three groups of positioning connecting piles (4) are fixedly arranged on the middle rear side of the top of the outer shell (1), and the positioning connecting piles (4) and the mounting frame (102) are the same in height; the positioning connecting pile (4) is aligned with the mounting frame (102) from front to back, and an insulating tube (5) is fixedly arranged between the positioning connecting pile (4) and the upper part of the mounting frame (102); the sliding frame comprises a driving sliding frame (7), two groups of sliding brackets (701) are fixedly arranged on two sides of the front end of the driving sliding frame (7), the lower parts of the sliding brackets (701) slide outside the side guide rods (103), and springs are sleeved on the front sides of the outer parts of the side guide rods (103).
2. The digital display residual current circuit breaker according to claim 1, characterized in that the bottom edges of the air storage pistons (2) are provided with air adjusting holes (201); a sliding piston (202) is arranged below the inside of the gas storage piston (2) in a sliding way, and the lower part of the sliding piston (202) is in an inverse cone shape; a connecting air row (203) is fixedly connected above the front sides of the three groups of air storage pistons (2), and a trigger type one-way valve (204) is fixedly arranged on one side of the connecting air row (203); a through hole for accommodating the triggering type one-way valve (204) is formed outside the outer shell (1); a check valve (205) is arranged on the transverse and longitudinal sides of the branch connected with the air row (203); the upper parts of the rear sides of the air storage pistons (2) are fixedly connected with pressure sensors (206), and the pressure sensors (206) are connected with a processor in the middle of the top of the outer shell (1).
3. The digital display residual-current circuit breaker according to claim 1, characterized in that a limit edge (301) is integrally arranged on the front side of the outside of the insulating cylinder (3), and an edge angle edge (302) is fused on the front end edge of the insulating cylinder (3); a sliding cover (303) is arranged between the limiting edge (301) and the corner edge (302) in a sliding manner, and a spring is further arranged on the rear side of the sliding cover (303); the inside of the insulating cylinder (3) is fixedly provided with a power receiving pile (304), and the power receiving pile (304) is positioned at the front end of the inside of the insulating tube (5); an inflow terminal (305) is fixedly arranged below the front end of the electric pile (304), and a nose post for installing a wiring nose is integrally arranged above the inflow terminal (305); a movable end cover (306) is rotatably arranged above the front end of the insulating tube (5), and a spring capable of automatically supporting the movable end cover (306) is arranged at the bottom of the movable end cover (306).
4. The digital display residual-current circuit breaker according to claim 1, wherein a connecting sliding sleeve (401) is fixedly arranged above the inside of the positioning connecting pile (4), a circuit is arranged in the connecting sliding sleeve (401) and fixedly connected with an outlet terminal (402) through the rear of the bottom of the positioning connecting pile (4), and the outlet terminal (402) is fixed on the rear side of the top of the inner bottom surface of the outer shell (1).
5. The digital display residual-current circuit breaker according to claim 1, characterized in that the inside rear parts of the insulating pipes (5) are provided with T-shaped connecting rods (6) in a sliding manner, and the front ends of the T-shaped connecting rods (6) are contacted with the electric connection piles (304); the bottom of the insulating tube (5) is connected with the top of the gas storage piston (2) in a sealing way, and the connecting position is positioned below the contact position of the electric pile (304) and the T-shaped connecting rod (6).
6. The digital display residual-current circuit breaker according to claim 5, wherein sideslip piles (702) are fixedly arranged in the middle of two sides of the driving sliding frame (7); three groups of T-shaped joints (703) are arranged at the rear side of the inside of the driving sliding frame (7) in a sliding way, and springs are sleeved outside the T-shaped joints (703); the rear end of the T-shaped connecting rod (6) is connected with the front side of the driving sliding frame (7) in a sliding way, and the T-shaped joint (703) is attached to the rear end of the T-shaped connecting rod (6) through the acting force of an external spring.
7. The digital display residual-current circuit breaker according to claim 1, wherein two groups of transmission seats (8) are fixedly arranged behind two sides of the top of the inner bottom surface of the outer shell (1), a poking rotating rod (801) is rotatably arranged on the adjacent surfaces of the transmission seats (8) on two sides, a through groove structure is arranged in the middle of the poking rotating rod (801), and the sideslip pile (702) slides in the through groove structure; a driven gear (802) is fixedly arranged at the outer end of the rotating shaft of the poking rotating rod (801); an L-shaped rack (803) is arranged outside the transmission seat (8), the L-shaped rack (803) is in sliding connection with the transmission seat (8) through a sliding rod (804), and the L-shaped rack (803) is meshed with the driven gear (802).
8. The digital display residual-current circuit breaker according to claim 1, characterized in that two groups of electromagnets (9) are fixedly arranged near the front of the two sides of the top of the inner bottom surface of the outer shell (1), button switches (10) are connected between the electromagnets (9) and the processor, the button switches (10) are fixed in the middle of the two sides of the top of the inner bottom surface of the outer shell (1), and through holes for accommodating buttons of the button switches (10) are formed in the two sides of the outer shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410977230.7A CN118522617B (en) | 2024-07-22 | 2024-07-22 | Digital display leakage circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410977230.7A CN118522617B (en) | 2024-07-22 | 2024-07-22 | Digital display leakage circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN118522617A true CN118522617A (en) | 2024-08-20 |
| CN118522617B CN118522617B (en) | 2024-09-24 |
Family
ID=92282704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410977230.7A Active CN118522617B (en) | 2024-07-22 | 2024-07-22 | Digital display leakage circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118522617B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2648469A1 (en) * | 1976-10-20 | 1978-04-27 | Svjatoslav Semonovit Nedosekov | CONTACT SYSTEM FOR FAST-ACTING SWITCHING DEVICES |
| JPS5753032A (en) * | 1980-07-18 | 1982-03-29 | Westinghouse Electric Corp | Electric power circuit breaker |
| US4486635A (en) * | 1983-07-05 | 1984-12-04 | Westinghouse Electric Corp. | High-voltage circuit breaker with improved puffer means |
| US5796061A (en) * | 1994-10-18 | 1998-08-18 | Bticino S.P.A. | Miniaturized automatic circuit breaker with a multi-functional terminal and a screen for protection against internal electric arcs |
| JP2003007191A (en) * | 2001-06-26 | 2003-01-10 | Matsushita Electric Works Ltd | Earth leakage circuit breaker having open-phase protection function |
| CN1581396A (en) * | 2003-07-31 | 2005-02-16 | 富士电机机器制御株式会社 | Leakage breaker |
| CN1841616A (en) * | 2005-03-29 | 2006-10-04 | 三菱电机株式会社 | Residual current circuit breaker |
| CN204913084U (en) * | 2015-08-06 | 2015-12-30 | 浙江正泰电器股份有限公司 | Automatic weld system of breaker coil and contact plate |
-
2024
- 2024-07-22 CN CN202410977230.7A patent/CN118522617B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2648469A1 (en) * | 1976-10-20 | 1978-04-27 | Svjatoslav Semonovit Nedosekov | CONTACT SYSTEM FOR FAST-ACTING SWITCHING DEVICES |
| JPS5753032A (en) * | 1980-07-18 | 1982-03-29 | Westinghouse Electric Corp | Electric power circuit breaker |
| US4486635A (en) * | 1983-07-05 | 1984-12-04 | Westinghouse Electric Corp. | High-voltage circuit breaker with improved puffer means |
| US5796061A (en) * | 1994-10-18 | 1998-08-18 | Bticino S.P.A. | Miniaturized automatic circuit breaker with a multi-functional terminal and a screen for protection against internal electric arcs |
| JP2003007191A (en) * | 2001-06-26 | 2003-01-10 | Matsushita Electric Works Ltd | Earth leakage circuit breaker having open-phase protection function |
| CN1581396A (en) * | 2003-07-31 | 2005-02-16 | 富士电机机器制御株式会社 | Leakage breaker |
| CN1841616A (en) * | 2005-03-29 | 2006-10-04 | 三菱电机株式会社 | Residual current circuit breaker |
| CN204913084U (en) * | 2015-08-06 | 2015-12-30 | 浙江正泰电器股份有限公司 | Automatic weld system of breaker coil and contact plate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN118522617B (en) | 2024-09-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2927514A1 (en) | Rapid tri-state bidirectional switching device | |
| CN118522617B (en) | Digital display leakage circuit breaker | |
| EP0913845A1 (en) | Generator circuit breaker with a single mechanical control | |
| CN110932015A (en) | Air conditioner is socket for power convenient to plug and pull out and prevent mistake and pull out | |
| AU652383B2 (en) | Switching device comprising an auxiliary monostable switch coupled to a main switch | |
| US5952739A (en) | Remotely operated meter disconnect switch | |
| CN221994825U (en) | Tripping resetting device of high-power GFCI intelligent leakage protection plug and plug | |
| CN213636499U (en) | Leakage protection plug and test socket capable of testing ground resistance | |
| CN210296215U (en) | Permanent magnet vacuum circuit breaker and gas-filled cabinet | |
| CN210806325U (en) | High tension switchgear interlock with electric shock prevention function | |
| CN109166761A (en) | A kind of vacuum circuit breaker of gas cabinet | |
| CN110988412A (en) | Detection box for detecting current and voltage of circuit | |
| CN212462249U (en) | Leakage protection plug | |
| CN213660225U (en) | Automatic reset leakage protection switch with self-checking function | |
| CN210053230U (en) | Safety power supply charging equipment | |
| CN113917231A (en) | High-voltage electric shock prevention base suitable for direct-current electronic insulation resistance meter | |
| CN207947243U (en) | A kind of control and protective switching device | |
| CN210577359U (en) | Numerical control CPS modular explosion-proof switch | |
| CN219144055U (en) | Can realize quick connect's separating brake closing device with switch on magnetic control post | |
| CN221994406U (en) | Intelligent electromagnetic mechanism | |
| CN110336349B (en) | Safe power supply charging equipment | |
| CN117976463B (en) | High-power quick operating device of switch equipment | |
| CN218241690U (en) | High-voltage circuit breaker with clutch mechanism | |
| CN214797244U (en) | Outdoor high-voltage vacuum circuit breaker | |
| CN222563455U (en) | Wiring device of power system |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |