CN108807102B - Current regulation assembly of leakage circuit breaker - Google Patents
Current regulation assembly of leakage circuit breaker Download PDFInfo
- Publication number
- CN108807102B CN108807102B CN201810942506.2A CN201810942506A CN108807102B CN 108807102 B CN108807102 B CN 108807102B CN 201810942506 A CN201810942506 A CN 201810942506A CN 108807102 B CN108807102 B CN 108807102B
- Authority
- CN
- China
- Prior art keywords
- current
- circuit board
- support base
- combined circuit
- adjusting
- 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.)
- Active
Links
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
- H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
Landscapes
- Breakers (AREA)
Abstract
The current regulation assembly of the electric leakage breaker comprises a combined circuit board, a conducting strip and an adjusting knob, wherein the combined circuit board is fixed in a casing of the electric leakage breaker, a movable contact support is arranged on the combined circuit board, one end of the conducting strip is connected with the movable contact support, the other end of the conducting strip is electrically connected with the combined circuit board, a plurality of adjusting current positioning holes with different gears are formed in the combined circuit board, and the adjusting knob is connected with the movable contact support and is exposed out of the casing of the electric leakage breaker and used for driving the conducting strip to move between the adjusting current positioning holes. The beneficial effects of the invention are as follows: the multi-gear action current adjusting position is provided, so that the multi-gear action current adjusting position is suitable for various environments; the adjusting knob is provided with a limit gear, so that damage to equipment caused by reverse adjustment is prevented, and the service life of the equipment is effectively prolonged; the device has the advantages that the device structure is simplified, traditional circuit parts are replaced by the combined circuit board, all parts can be produced in batches by adopting the die, and the device is convenient and quick to assemble by workers and suitable for batch production.
Description
Technical Field
The invention relates to the field of circuit breakers, in particular to the field of current regulation assemblies of residual current circuit breakers.
Background
Once the action current of the existing miniature leakage breaker is set, the action current cannot be adjusted, and inconvenience is brought to users in normal electricity utilization. Particularly, in a humid and rainy environment in the south, the electric leakage circuit breaker is frequently tripped and powered off, so that the normal life of people is influenced.
The existing miniature residual current circuit breakers realize the function of regulating action current by adding equipment and circuits, have complicated structure and are time-consuming to assemble by workers.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a current regulation assembly of an electric leakage breaker.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the current regulation assembly of the electric leakage breaker comprises a combined circuit board, a conducting strip and an adjusting knob, wherein the combined circuit board is fixed in a casing of the electric leakage breaker, a movable contact support is arranged on the combined circuit board, one end of the conducting strip is connected with the movable contact support, the other end of the conducting strip is electrically connected with the combined circuit board, a plurality of adjusting current positioning holes with different gears are formed in the combined circuit board, and the adjusting knob is connected with the movable contact support and is exposed out of the casing of the electric leakage breaker and used for driving the conducting strip to move between the adjusting current positioning holes.
Preferably, the movable contact support comprises a first fixing piece, a second fixing piece and a support base, wherein the support base is parallel to the combined circuit board, the first fixing piece is connected to the lower end face of the support base, the first fixing piece is connected with the combined circuit board, the second fixing piece is located at the tail end of the support base, the second fixing piece is connected with the conducting strip, the support base is connected with the adjusting knob, and the adjusting knob drives the conducting strip to displace between the adjusting current positioning holes by driving the support base to rotate on the combined circuit board.
Preferably, the combined circuit board is reserved with a mounting hole, the first fixing piece is a hollow sleeve, the top end of the hollow sleeve is connected with the support base, a first opening is formed in the position where the support base is connected with the hollow sleeve, the first opening penetrates through the support base, the first opening is communicated with the hollow sleeve, the rod part of the tapping locking screw sequentially penetrates through the mounting hole, the hollow sleeve and the support base, and the tapping locking screw is self-locked on the movable contact support.
Preferably, the two sides of the first opening are provided with second openings, a pair of mounting rods are connected to the lower end face of the adjusting knob opposite to the second openings, and the second openings are matched with the tail ends of the mounting rods.
Preferably, the second fixing piece is a pair of fixing columns at the tail end of the support base, the fixing columns are perpendicular to the support base, and the conducting strip penetrates through the fixing columns to be welded on the lower end face of the tail end of the support base in a hot riveting mode.
Preferably, the conducting strip is conductive material, and conducting strip upper portion is fixed in the support base end, and conducting strip lower part parallel is equipped with three plectrum, and the plectrum end all is equipped with the contact point, and the plectrum top links to each other with conducting strip upper portion, including a location plectrum and two contact plectrums, and the location plectrum is located between two contact plectrums, and is longer than the contact plectrum.
Preferably, the circle centers of the adjusting knob, the first opening, the hollow sleeve and the mounting hole are positioned on the same straight line.
Preferably, the number of the current adjusting positioning holes is 3, the combined circuit board takes the mounting hole as the center of a circle, the distance from the positioning pulling piece to the mounting hole is the radius, and the first current adjusting positioning hole, the second current adjusting positioning hole and the third current adjusting positioning hole are formed in a counterclockwise sequence.
Preferably, the opposite parts of the two sides of the current adjusting positioning hole on the combined circuit board and the contact point of the contact pulling piece are provided with the current adjusting points in pairs, the two sides of the first current adjusting positioning hole are provided with the first current adjusting points in pairs, the two sides of the second current adjusting positioning hole are provided with the second current adjusting points in pairs, and the two sides of the third current adjusting positioning hole are provided with the third current adjusting points in pairs.
Preferably, the tail end of the bracket base is provided with an oblique angle, the adjusting knob is provided with a limit stop, and when the adjusting knob dials to the limit stop, the oblique angle is propped against the inner wall of the leakage breaker shell.
The beneficial effects of the invention are as follows:
1) The multi-gear action current adjusting position is provided, so that the multi-gear action current adjusting position is suitable for various environments;
2) The adjusting knob is provided with a limit gear, so that damage to equipment caused by reverse adjustment is prevented, and the service life of the equipment is effectively prolonged;
3) The device has the advantages that the device structure is simplified, traditional circuit parts are replaced by the combined circuit board, all parts can be produced in batches by adopting the die, and the device is convenient and quick to assemble by workers and suitable for batch production.
Drawings
Fig. 1 is a schematic structural view of a current regulation assembly of the leakage breaker of the present invention.
Fig. 2 is a side view of a current regulation assembly of the earth leakage breaker of the present invention.
Fig. 3 is a rear view of the current regulation assembly of the earth leakage breaker of the present invention.
Fig. 4 is a schematic view of a movable contact bracket structure of the leakage breaker of the present invention.
Fig. 5 is a bottom view of a conductive sheet of the earth leakage breaker of the present invention.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments.
The current regulation assembly comprises a combined circuit board 1, a conducting strip 3 and an adjusting knob 2, wherein the combined circuit board is fixed in a leakage breaker shell, a movable contact support 5 is arranged on the combined circuit board, one end of the conducting strip is connected with the movable contact support, the other end of the conducting strip is electrically connected with the combined circuit board, a plurality of adjusting current positioning holes 4 with different gears are formed in the combined circuit board, and the adjusting knob is connected with the movable contact support and is exposed out of the leakage breaker shell and used for driving the conducting strip to displace between the adjusting current positioning holes.
The movable contact support comprises a first fixing piece 504, a second fixing piece 505 and a support base 501, wherein the support base is parallel to the combined circuit board, the first fixing piece is connected to the lower end face of the support base, the first fixing piece is connected with the combined circuit board, the second fixing piece is located at the tail end of the support base, the second fixing piece is connected with the conducting strip, the support base is connected with an adjusting knob, and the adjusting knob drives the conducting strip to move between the adjusting current positioning holes by driving the support base to rotate on the combined circuit board.
The current regulation assembly of electric leakage circuit breaker reserves the mounting hole on the integrated circuit board, and first mounting is hollow sleeve pipe, and hollow sleeve pipe's top links to each other with the support base, and support base links to each other with hollow sleeve pipe department and opens there is first opening 503, and first opening runs through the support base, and first opening communicates with each other with hollow sleeve pipe, and the pole portion of self tapping locking screw 6 passes mounting hole, hollow sleeve pipe, support base in proper order, and self tapping locking screw auto-locks in movable contact support. During assembly, the rod part of the self-tapping locking screw penetrates through a combined circuit board fixed in the circuit breaker shell, the first opening of the support base connected with the hollow sleeve is aligned with the rod part of the self-tapping locking screw, the self-tapping locking screw is self-locked in the hollow sleeve after being screwed, and the combined circuit board is clamped between the head part of the self-tapping locking screw and the hollow sleeve.
Further, the self-tapping locking screw is a cross countersunk head self-tapping locking screw, the self-tapping locking screw has higher pretightening force and is more anti-loose, the long-term use accuracy of the adjusting knob is guaranteed, meanwhile, the screwing moment can be reduced by 50%, the assembly process is simpler, and the production and the assembly are easy.
The current adjusting assembly of the leakage breaker is provided with a second opening 502 at two sides of the first opening, a pair of mounting rods are connected at the position of the lower end face of the adjusting knob opposite to the second opening, and the second opening is matched with the tail end of the mounting rods. During assembly, a pair of mounting rods are inserted into the second opening, so that the assembly of the adjusting knob is completed; when in use, the adjusting knob rotates to drive the connected bracket base to rotate, so as to drive the conducting strip to displace.
The second fixing piece is a pair of fixing columns at the tail end of the support base, the fixing columns are perpendicular to the support base, and the conducting strip penetrates through the fixing columns to be welded on the lower end face of the tail end of the support base in a hot riveting mode.
The current regulation assembly of electric leakage circuit breaker, the conducting strip is electrically conductive material, and conducting strip upper portion 301 is fixed in the support base end, and the conducting strip lower part parallel is equipped with three plectrum, and the plectrum end all is equipped with contact 304, and the plectrum top links to each other with conducting strip upper portion, including a location plectrum 303 and two contact plectrums 302, the location plectrum is located between two contact plectrums, and is longer than the contact plectrum.
The current adjusting assembly of the residual current circuit breaker, the circle centers of the adjusting knob, the first opening, the hollow sleeve and the mounting hole are positioned on the same straight line, so that when the adjusting knob rotates, the bracket base and the self-tapping locking screw rotate together,
the current adjusting assembly of the leakage breaker has 3 adjusting current positioning holes, the combined circuit board takes the mounting hole as the center of a circle, the distance from the positioning pulling piece to the mounting hole is the radius, and a first adjusting current positioning hole 401, a second adjusting current positioning hole 402 and a third adjusting current positioning hole 403 are formed in sequence anticlockwise.
The current regulation assembly of the leakage circuit breaker is characterized in that the opposite parts of the two sides of the current regulation positioning hole on the combined circuit board and the contact point of the contact pulling piece are provided with the current regulation points in pairs, the two sides of the first current regulation positioning hole are provided with the first current regulation points in pairs, the two sides of the second current regulation positioning hole are provided with the second current regulation points in pairs, and the two sides of the third current regulation positioning hole are provided with the third current regulation points in pairs. The positioning pulling piece accurately positions the conductive piece in the current positioning hole, two ends of the contact pulling piece are respectively contacted with the adjusting current point, and the action current on the combined circuit board is changed.
Further, the contact points of the current positioning holes and the positioning poking pieces are matched, so that the situation that the conductive pieces are separated out due to vibration or impact of the residual current circuit breaker after the action current is set is prevented, and potential safety hazards caused by poor contact of the contact poking pieces are reduced.
Further, the first adjusting current positioning hole, the second adjusting current positioning hole and the third adjusting current positioning hole respectively correspond to the anticlockwise 0 degree, 90 degrees and 180 degrees of rotation of the adjusting knob, and the action currents corresponding to the adjusting current points are 6mA, 10mA and 30mA respectively.
The current adjusting assembly of the residual current circuit breaker is provided with an oblique angle 506 at the tail end of the bracket base, the adjusting knob is provided with a limit stop, and when the adjusting knob is pulled to the limit stop, the oblique angle is propped against the inner wall of the shell of the residual current circuit breaker.
Further, the 0 degree position of adjust knob locates electric leakage circuit breaker casing near back section department, and adjust knob rotates to 0 degree and is the limit position shelves, and the oblique angle is located the lower part at support base end. The gear of the adjusting knob is sequentially 6mA, 10mA and 30mA in anticlockwise distribution, and when the adjusting knob reversely rotates clockwise to the 0-degree position, the bevel edge is propped against the inner wall of the leakage breaker shell and cannot continue rotating. The limiting angle has the function of protecting the self-tapping locking screw and the combined circuit board, prevents unnecessary friction or damage of the conducting strip combined circuit board caused by the rotation of the support base to other areas, and prolongs the service life of equipment.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (10)
1. The current regulation assembly of the electric leakage breaker comprises a combined circuit board, a conducting strip and an adjusting knob, and is characterized in that the combined circuit board is fixed in a casing of the electric leakage breaker, a movable contact support is arranged on the combined circuit board, one end of the conducting strip is connected with the movable contact support, the other end of the conducting strip is electrically connected with the combined circuit board, a plurality of adjusting current positioning holes with different gears are formed in the combined circuit board, and the adjusting knob is connected with the movable contact support and is exposed out of the casing of the electric leakage breaker and used for driving the conducting strip to displace between the adjusting current positioning holes;
the lower part of the conducting plate is provided with three parallel poking plates, the tail ends of the poking plates are provided with contact points, the top ends of the poking plates are connected with the upper part of the conducting plate, the three poking plates comprise a positioning poking plate and two contact poking plates, the positioning poking plate is positioned between the two contact poking plates, and the positioning poking plate is longer than the contact poking plates;
and the opposite parts of the two sides of the current adjusting positioning hole on the combined circuit board and the contact point of the contact shifting sheet are provided with current adjusting points in pairs.
2. The current regulation assembly of a residual current circuit breaker according to claim 1, wherein the movable contact support comprises a first fixing member, a second fixing member and a support base, the support base is parallel to the combined circuit board, the first fixing member is connected to the lower end surface of the support base, the first fixing member is connected to the combined circuit board, the second fixing member is located at the tail end of the support base, the second fixing member is connected to the conductive sheet, the support base is connected to the regulating knob, and the regulating knob drives the conductive sheet to displace between the regulating current positioning holes by driving the support base to rotate on the combined circuit board.
3. The current regulation assembly of a residual current circuit breaker according to claim 2, wherein the assembly circuit board is provided with a mounting hole, the first fixing piece is a hollow sleeve, the top end of the hollow sleeve is connected with the support base, a first opening is formed at the connection part of the support base and the hollow sleeve, the first opening penetrates through the support base and is communicated with the hollow sleeve, the rod part of the self-tapping locking screw sequentially penetrates through the mounting hole, the hollow sleeve and the support base, and the self-tapping locking screw is self-locked on the movable contact support.
4. A current regulating assembly for a residual current circuit breaker according to claim 3, wherein the first opening is provided with second openings on both sides thereof, a pair of mounting bars are connected to the lower end surface of the regulating knob opposite to the second openings, and the second openings are matched with the ends of the mounting bars.
5. The assembly of claim 2, wherein the second fixing member is a pair of fixing posts at the end of the support base, the fixing posts are perpendicular to the support base, and the conductive sheet is heat-staked to the lower end surface of the end of the support base through the fixing posts.
6. The assembly of claim 5, wherein the conductive sheet is made of conductive material and the upper portion of the conductive sheet is fixed to the end of the base of the bracket.
7. A current regulating assembly of an earth leakage breaker according to claim 3, wherein the center of the regulating knob, the first opening, the hollow sleeve, and the mounting hole are located on a straight line.
8. The current regulation assembly of the leakage breaker according to claim 3, wherein the number of the regulating current positioning holes is 3, the combined circuit board uses the mounting hole as a center, the distance from the positioning pulling piece to the mounting hole is a radius, and the first regulating current positioning hole, the second regulating current positioning hole and the third regulating current positioning hole are opened in turn anticlockwise.
9. The current regulation assembly of claim 8, wherein the first regulation current positioning holes are provided with first regulation current points in pairs on both sides, the second regulation current positioning holes are provided with second regulation current points in pairs on both sides, and the third regulation current positioning holes are provided with third regulation current points in pairs on both sides.
10. The assembly of claim 2, wherein the bracket base has a bevel at its end, the knob has a stop, and the bevel abuts against the inner wall of the leakage breaker housing when the knob is moved to the stop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810942506.2A CN108807102B (en) | 2018-08-17 | 2018-08-17 | Current regulation assembly of leakage circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810942506.2A CN108807102B (en) | 2018-08-17 | 2018-08-17 | Current regulation assembly of leakage circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108807102A CN108807102A (en) | 2018-11-13 |
| CN108807102B true CN108807102B (en) | 2023-09-08 |
Family
ID=64080385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810942506.2A Active CN108807102B (en) | 2018-08-17 | 2018-08-17 | Current regulation assembly of leakage circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108807102B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004172042A (en) * | 2002-11-22 | 2004-06-17 | Matsushita Electric Ind Co Ltd | Rotary switch |
| JP4212231B2 (en) * | 2000-11-21 | 2009-01-21 | 独立行政法人科学技術振興機構 | Monochloramine remover |
| CN101859668A (en) * | 2010-06-12 | 2010-10-13 | 台安科技(无锡)有限公司 | Temperature compensation device of circuit breaker |
| CN202855677U (en) * | 2012-10-10 | 2013-04-03 | 张瑞村 | Circuit breaker with adjustable rated breaking current |
| DE102011088838A1 (en) * | 2011-12-16 | 2013-06-20 | Siemens Aktiengesellschaft | Actuating assembly for use in magnetic or thermal tip of electric switch, has involute shaped control cam of operating element that is rotated around rotation axis, where transmission element performs linear movement |
| CN103348428A (en) * | 2010-12-13 | 2013-10-09 | 伊顿电气Ip两合公司 | Additional motorized adjustment of the adjustment knob in remotely controllable electronics systems of industrial switchgear |
| CN203339086U (en) * | 2013-07-26 | 2013-12-11 | 张瑞村 | Electronic phase-failure breaker |
| CN208478268U (en) * | 2018-08-17 | 2019-02-05 | 乐清市美拜电气有限公司 | The current regulation sub-assembly of leakage circuit breakers |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2867721B2 (en) * | 1990-07-19 | 1999-03-10 | 富士電機株式会社 | Circuit breaker trip current adjustment mechanism |
-
2018
- 2018-08-17 CN CN201810942506.2A patent/CN108807102B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4212231B2 (en) * | 2000-11-21 | 2009-01-21 | 独立行政法人科学技術振興機構 | Monochloramine remover |
| JP2004172042A (en) * | 2002-11-22 | 2004-06-17 | Matsushita Electric Ind Co Ltd | Rotary switch |
| CN101859668A (en) * | 2010-06-12 | 2010-10-13 | 台安科技(无锡)有限公司 | Temperature compensation device of circuit breaker |
| CN103348428A (en) * | 2010-12-13 | 2013-10-09 | 伊顿电气Ip两合公司 | Additional motorized adjustment of the adjustment knob in remotely controllable electronics systems of industrial switchgear |
| DE102011088838A1 (en) * | 2011-12-16 | 2013-06-20 | Siemens Aktiengesellschaft | Actuating assembly for use in magnetic or thermal tip of electric switch, has involute shaped control cam of operating element that is rotated around rotation axis, where transmission element performs linear movement |
| CN202855677U (en) * | 2012-10-10 | 2013-04-03 | 张瑞村 | Circuit breaker with adjustable rated breaking current |
| CN203339086U (en) * | 2013-07-26 | 2013-12-11 | 张瑞村 | Electronic phase-failure breaker |
| CN208478268U (en) * | 2018-08-17 | 2019-02-05 | 乐清市美拜电气有限公司 | The current regulation sub-assembly of leakage circuit breakers |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108807102A (en) | 2018-11-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108807102B (en) | Current regulation assembly of leakage circuit breaker | |
| CN212229019U (en) | Electric energy meter connector | |
| CN210806408U (en) | Switch board of fuse type isolating switch | |
| CN113281619B (en) | Distribution lines fault locating device | |
| CN207426228U (en) | A kind of home-use wall type safety socket | |
| CN216055681U (en) | Electric shock prevention power-on board convenient to mount for mining electrical appliance | |
| CN115825492A (en) | A special device for power frequency withstand voltage test and its use method | |
| CN210393716U (en) | Embedded oxygen enrichment device with internal protection | |
| CN205355324U (en) | A revolution mechanic for hidden plug | |
| CN209843624U (en) | A new type of circuit breaker that is convenient and quick to install | |
| CN208478268U (en) | The current regulation sub-assembly of leakage circuit breakers | |
| CN221353622U (en) | Building embedded power equipment mounting structure | |
| CN201038559Y (en) | Wireless electric coupler lower seat | |
| CN206379300U (en) | A kind of electric automatic control switch | |
| CN221148773U (en) | Electric energy meter connector | |
| CN217467003U (en) | Take batch meter of connector | |
| CN220753817U (en) | Flip type single-phase uninterrupted meter-changing connector | |
| CN220272390U (en) | Special contactor is forced to emergent machinery of conveniently maintaining | |
| CN221041709U (en) | Magnetic patch board structure | |
| CN215418875U (en) | Conversion socket | |
| CN213025949U (en) | Rotary timing reset switch panel | |
| CN214428912U (en) | Wall-hanging intelligent measurement accuse electric module | |
| CN221727738U (en) | Distribution box convenient to overhaul | |
| CN2162005Y (en) | Rotating covering power supply socket | |
| CN210401510U (en) | High-voltage electrified display base buckle |
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 |