CN108511280B - Miniature circuit breaker with power-taking switch node - Google Patents
Miniature circuit breaker with power-taking switch node Download PDFInfo
- Publication number
- CN108511280B CN108511280B CN201810563931.0A CN201810563931A CN108511280B CN 108511280 B CN108511280 B CN 108511280B CN 201810563931 A CN201810563931 A CN 201810563931A CN 108511280 B CN108511280 B CN 108511280B
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- switch node
- pole
- circuit breaker
- operating mechanism
- node
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- 239000004020 conductor Substances 0.000 claims abstract description 13
- 230000005611 electricity Effects 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 8
- 230000000149 penetrating effect Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- H01H71/08—Terminals; Connections
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- Breakers (AREA)
Abstract
The invention relates to a miniature circuit breaker with an electricity taking switch node, which comprises an operating mechanism, a circuit board, an electricity taking pole and a contact spring piece, wherein the electricity taking pole comprises an outer electricity taking pole and an inner electricity taking pole, the outer end of the outer electricity taking pole is connected to a wire inlet end conductor of the circuit breaker, the inner end of the inner electricity taking pole is connected to the circuit board, the contact spring piece is connected to the operating mechanism and synchronously acts along with the operating mechanism, the inner end of the outer electricity taking pole and the outer end of the inner electricity taking pole form an outer switch node and an inner switch node respectively, the outer switch node and the inner switch node are both arranged on a movement track of the contact spring piece in the closing process of the operating mechanism, and the contact of the contact spring piece and the outer switch node and the inner switch node is prior to the closing contact of the operating mechanism in the closing process of the operating mechanism. The invention has 0 power consumption when the breaker is opened, and can supply power to the processing circuit before the breaker is manually closed.
Description
Technical Field
The invention relates to a special miniature circuit breaker for a prepaid electric meter, in particular to a miniature circuit breaker with a power taking switch node.
Background
The special miniature circuit breaker for the prepaid electric meter is an electric switch for controlling the action of a release in the miniature circuit breaker to realize automatic opening according to signals of the prepaid electric meter, a built-in processing circuit of the special miniature circuit breaker for the prepaid electric meter needs power supply, and particularly when the prepaid electric meter is opened by power failure, in order to prevent the manual closing and electricity stealing of a user, the release needs to be started before the user closes to prevent closing, so that the processing circuit still supplies power when the conventional miniature circuit breaker for the prepaid electric meter is opened, and unnecessary energy waste is caused.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the small circuit breaker with the power taking switch node, which has the power consumption of 0 when the breaker is opened, can supply power to the processing circuit and control the release before the manual closing of the circuit breaker.
In order to achieve the purpose, the miniature circuit breaker with the power taking switch node comprises an operating mechanism, a circuit board, a power taking pole and a contact spring piece, wherein the power taking pole comprises an outer power taking pole and an inner power taking pole, the outer end of the outer power taking pole is connected to a wire inlet end conductor of the circuit breaker, the inner end of the inner power taking pole is connected to the circuit board, the contact spring piece is connected to the operating mechanism to synchronously act along with the operating mechanism, the inner end of the outer power taking pole and the outer end of the inner power taking pole form the outer switch node and the inner switch node respectively, the outer switch node and the inner switch node are arranged on a movement track of the contact spring piece in the closing process of the operating mechanism, and the contact spring piece contacts the outer switch node and the inner switch node before the closing process of the operating mechanism.
The circuit board has the beneficial effects that the contact spring sheet which synchronously acts with the operating mechanism is arranged on the operating mechanism, and the circuit board is powered on from the conductor at the wire inlet end through the simultaneous contact conduction of the contact spring sheet, the outer switch node and the inner switch node, because the power taking conduction of the circuit board is before the closing of the operating mechanism, the circuit board can be electrified before the closing of the operating mechanism to control the release to release, and the arrearage closing of the miniature circuit breaker is prevented; the contact spring plate is disconnected with the outer switch node and the inner switch node simultaneously when the miniature circuit breaker is disconnected, the circuit board is disconnected with the conductor at the wire inlet end, the circuit board does not consume electric quantity, 0 power consumption in the disconnected state is realized, and electric energy is saved; two switch nodes are arranged to be opened and closed with the contact spring plate, so that the voltage withstand capability is improved, and the switch nodes are prevented from being broken down by voltage.
The invention further provides that the operating mechanism comprises a contact support, the contact spring plate is connected to the contact support, the contact spring plate comprises a spring plate part and a fixing part, the fixing part is in a frame shape and sleeved on the contact support, and the spring plate part is integrally connected to the fixing part and extends outwards.
According to the technical scheme, the contact spring plate is arranged on the contact support, so that the contact spring plate and the moving contact synchronously move, and the contact spring plate and the switch node are ensured to be closed before the moving contact and the fixed contact are closed.
The invention further provides that the outer switch node is correspondingly arranged at one side of the moving direction of the fixed part of the contact spring, and the inner switch node is correspondingly arranged at one side of the moving direction of the spring part of the contact spring.
According to the technical scheme, the outer switch node and the inner switch node are respectively contacted with the two ends of the elastic sheet correspondingly, so that the gap between the inner switch node and the outer switch node is ensured, breakdown between the switch nodes is prevented, and the voltage endurance capability is improved.
The invention further provides that the connection parts of the outer power take-off pole and the inner power take-off pole with the wire inlet end conductor and the circuit board of the circuit breaker respectively form spring sections, and the spring sections are respectively pressed on the wire inlet end conductor and the circuit board to realize tight electric connection.
The technical scheme realizes electric connection through the spring section, and the connection is stable.
The contact support is further provided with a quick-closing end, a clamping groove is formed in the quick-closing end, a protruding locating point is formed on the side face of the quick-closing end, the fixing portion of the contact spring plate comprises a fixing base and a fixing buckle plate, the fixing base is connected with the spring plate portion, a locating hole is formed in the fixing base corresponding to the locating point, one side of the fixing base is connected with the fixing buckle plate, a buckle is formed on the other side of the fixing base, the fixing base is connected to the quick-closing end of the contact support, fixing is achieved through the cooperation of the locating hole and the locating point, the fixing buckle plate is covered in the clamping groove, and the top end of the fixing buckle plate is in buckling connection with the buckle of the fixing base.
The technical scheme provides a specific structure of the contact spring plate, the contact spring plate is fixed on the quick-closing end of the contact support through the fixed buckle plate, and the connection is stable and reliable.
The invention further provides that the outer switch node and the inner switch node are respectively a section of conductor which is bent inwards on the outer power take-off pole and the inner power take-off pole.
The invention further provides that the outer switch node is correspondingly arranged above the fixed buckle plate of the contact spring, and the inner switch node is correspondingly arranged above the top end of the spring part of the contact spring.
According to the technical scheme, the outer switch node corresponds to the fixed buckle plate, the position and conductivity of the fixed buckle plate are fully utilized, the inner switch node corresponds to the top end of the elastic piece part, and the distance between the inner switch node and the outer switch node is ensured.
The invention further provides that the contact spring is synchronously connected with the outer switch node and the inner switch node when the operating mechanism moves to 35-45 degrees.
The invention further provides a shell which comprises a P-pole shell and an N-pole shell, wherein an outer power taking pole and an inner power taking pole are arranged between the P-pole shell and the N-pole shell, the outer sides of the P-pole shell and the N-pole shell correspond to the inner power taking pole and the outer power taking pole respectively to form an inner power taking pole groove and an outer power taking pole groove, the P-pole shell and the N-pole shell correspond to an inner switch node and an outer switch node and a spring section respectively to form a node hole and a spring hole, the inner power taking pole and the outer power taking pole are respectively arranged in the inner power taking pole groove and the outer power taking pole groove respectively, and the inner switch node and the outer switch node and the spring section correspondingly penetrate through the node hole and the spring hole.
Above-mentioned technical scheme sets up and gets pole groove and hole adaptation and get the pole on the casing, will get the pole setting outside the casing, realizes getting the insulation of pole and casing inside.
The miniature circuit breaker further comprises a handle and a release, wherein the outer switch node is arranged between the operating mechanism and the handle, the inner switch node is arranged between the circuit breaker handle and the release, and the outer part of the elastic piece part is bent inwards and extends continuously along the parallel direction.
The technical scheme ensures that the contact spring plate is more firmly and stably contacted with the inner and outer switch nodes, and ensures the reliability.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention.
Fig. 2 is an exploded view of an embodiment of the present invention.
FIG. 3 is a schematic view of an N-pole housing according to an embodiment of the present invention.
FIG. 4 is a schematic illustration of an operating mechanism according to an embodiment of the present invention.
Fig. 5 is a schematic view of a contact spring according to an embodiment of the invention.
Detailed Description
As shown in fig. 1 to 5, a specific embodiment of the present invention is a miniature circuit breaker with a power taking switch node, comprising a P-pole housing 1, an N-pole housing 2, an operating mechanism 3, a handle 4, a release 5, a circuit board 6, a power taking pole, a contact spring 7, wherein the operating mechanism 3, the handle 4, the release 5 and the circuit board 6 are arranged in the N-pole housing 2, the power taking pole is arranged between the P-pole housing 1 and the N-pole housing 2, the power taking pole comprises an outer power taking pole 8 and an inner power taking pole 9,P, an outer power taking pole groove 11 and an inner power taking pole groove 12 are formed at the outer side of the pole housing 1, two ends of the outer power taking pole groove 11 are respectively arranged above a wire inlet end and the operating mechanism 3, the outer power taking pole groove 11 is formed at the wire inlet end to penetrate through an outer spring hole 13 of the P-pole housing 1, an outer node hole 21 penetrating through the N-pole housing 2 is formed above the operating mechanism 3, the two ends of the inner power taking pole groove 12 are respectively arranged below the handle 4 and at the circuit board 6, the inner power taking pole groove 12 forms an inner spring hole 23 penetrating through the N pole shell 2 at the circuit board 6, an inner node hole 22 penetrating through the N pole shell 2 is formed below the handle 4, the two ends of the outer power taking pole 8 respectively form an outer switch node 81 and an outer spring section 82, the outer power taking pole 8 is arranged in the outer power taking pole groove 11, the outer spring section 82 penetrates through the outer spring hole 13 to be in compression connection with a wire inlet end conductor 10 in the P pole shell 1, the outer switch node 81 penetrates through the outer node hole 21 to be between the operating mechanism 3 in the N pole shell 2 and the handle 4, the two ends of the inner power taking pole 9 respectively form an inner switch node 91 and an inner spring section 92, the inner spring section 92 penetrates through the inner spring hole 23 to be in compression connection on the circuit board 6, the inner switch node 91 penetrates through the inner node hole 22 to be between the handle 4 and the release 5 in the N pole shell 2, the outer switch node 81 and the inner switch node 91 are a section of conductor bent inwards on the outer power take-off pole 8 and the inner power take-off pole 9 respectively, the operating mechanism 3 comprises a contact support 31, the contact spring 7 is connected to the contact support 31, the contact spring 7 comprises a spring part 71 and a fixing part 72, the fixing part 72 is in a frame shape, the fixing part 72 is sleeved on the contact support 31, and the spring part 71 is integrally connected to the fixing part 72 and extends outwards.
As shown in fig. 4 and 5, the specific connection between the contact spring 7 and the contact bracket 31 is: the contact support 31 is provided with a quick-closing end 32, a clamping groove 33 is formed in the quick-closing end 32, a convex locating point 34 is formed on the side face of the quick-closing end 32, a fixing portion 72 of the contact spring 7 comprises a fixing base 73 and a fixing buckle plate 74, the fixing base 73 is connected with the spring plate portion 71, a locating hole 75 is formed in the fixing base 73 corresponding to the locating point 34, one side of the fixing base 73 is connected with the fixing buckle plate 74, a buckle 76 is formed on the other side of the fixing base 73, the fixing base 73 is connected to the quick-closing end 32 of the contact support 31, fixing is achieved through the cooperation of the locating hole 75 and the locating point 34, the fixing buckle plate 74 is covered in the clamping groove 33, the top end of the fixing buckle plate 74 is buckled and connected with the buckle 76 of the fixing base 73, and the outer portion of the spring plate portion 71 is bent inwards and extends continuously in the parallel direction. The outer switch node 81 is correspondingly arranged above the fixed buckle 74 of the contact spring 7, and the inner switch node 91 is correspondingly arranged above the top end of the spring part 71 of the contact spring 7.
In the specific embodiment of the invention, the outer switch node 81 and the inner switch node 91 are both arranged on the movement track of the contact spring piece 7 in the closing process of the operating mechanism, the outer switch node 81 and the inner switch node 91 are synchronously contacted with and separated from the contact spring piece 7, the contact between the contact spring piece 7 and the outer switch node 81 and the inner switch node 91 is controlled to be contacted with the fixed contact before the closing of the moving contact by the operating mechanism 3 in the closing process of the operating mechanism 3, particularly when the operating mechanism 3 moves to 35-45 degrees, the contact spring piece 7 is synchronously connected with the outer switch node 81 and the inner switch node 91, when the operating mechanism moves to 70 degrees, the moving contact and the fixed contact are mutually contacted, and when the moving contact moves to 90 degrees, the moving contact is completely closed.
The above and below the representative directions in the above embodiments refer to the corresponding directions in the drawings, and the corresponding directions are changed by changing the directions of the drawings, but such changes are also within the protection scope of the present invention,
The above examples are preferred embodiments of the present invention, and other obvious modifications are within the scope of the present invention.
Claims (10)
1. The utility model provides a take miniature circuit breaker of electricity switching node which characterized in that: the miniature circuit breaker with the power taking switch node comprises an operating mechanism, a circuit board, a power taking pole and a contact spring piece, wherein the power taking pole comprises an outer power taking pole and an inner power taking pole, the outer end of the outer power taking pole is connected to a wire inlet end conductor of the circuit breaker, the inner end of the inner power taking pole is connected to the circuit board, the contact spring piece is connected to the operating mechanism to synchronously act with the operating mechanism, the outer ends of the outer power taking pole and the inner power taking pole form an outer switch node and an inner switch node respectively, the outer switch node and the inner switch node are all arranged on a movement track of the contact spring piece in the closing process of the operating mechanism, and the contact spring piece and the outer switch node and the inner switch node are in contact prior to the closing contact of the operating mechanism in the closing process of the operating mechanism.
2. The miniature circuit breaker with a power take-off switching node of claim 1, wherein: the operating mechanism comprises a contact support, the contact spring plate is connected to the contact support, the contact spring plate comprises a spring plate portion and a fixing portion, the fixing portion is in a frame shape and is sleeved on the contact support, and the spring plate portion is integrally connected to the fixing portion and extends outwards.
3. The miniature circuit breaker with a power take-off switching node of claim 2, wherein: the outer switch node is correspondingly arranged at one side of the moving direction of the fixed part of the contact spring, and the inner switch node is correspondingly arranged at one side of the moving direction of the spring part of the contact spring.
4. A miniature circuit breaker with a power take-off switching node according to claim 1 or 2 or 3, characterized in that: the connection parts of the outer power take-off pole and the inner power take-off pole with the incoming line end conductor of the circuit breaker and the circuit board respectively form spring sections, and the spring sections are respectively pressed on the incoming line end conductor and the circuit board to realize tight electric connection.
5. A miniature circuit breaker with a power take-off switching node according to claim 2 or 3, characterized in that: the contact support is provided with a quick-closing end, a clamping groove is formed in the quick-closing end, a convex positioning point is formed on the side face of the quick-closing end, a fixing portion of the contact spring plate comprises a fixing base and a fixing buckle plate, the fixing base is connected with the spring plate portion, a positioning hole is formed in the fixing base corresponding to the positioning point, one side of the fixing base is connected with the fixing buckle plate, a buckle is formed on the other side of the fixing base, the fixing base is connected to the quick-closing end of the contact support, fixation is achieved through the cooperation of the positioning hole and the positioning point, the fixing buckle plate is covered in the clamping groove, and the top end of the fixing buckle plate is buckled and connected with the buckle of the fixing base.
6. The miniature circuit breaker with a power take-off switching node of claim 5, wherein: the outer switch node and the inner switch node are respectively a section of conductor which is bent inwards on the outer power take-off pole and the inner power take-off pole.
7. The miniature circuit breaker with a power take-off switching node of claim 6, wherein: the outer switch node is correspondingly arranged above the fixed buckle plate of the contact spring plate, and the inner switch node is correspondingly arranged above the top end of the spring plate part of the contact spring plate.
8. A miniature circuit breaker with a power take-off switching node according to claim 1 or 2 or 3, characterized in that: when the operating mechanism moves to 35-45 degrees, the contact spring plate is synchronously connected with the outer switch node and the inner switch node.
9. The miniature circuit breaker with a power take-off switching node of claim 4, wherein: still include the casing, the casing includes P utmost point casing and N utmost point casing, outer pole and interior pole setting of getting are got between P utmost point casing and N utmost point casing, P utmost point casing and N utmost point casing outside correspond inside and outside pole and are got the pole groove and get the pole groove outward respectively, correspond inside and outside switch node and spring section on P utmost point casing and the N utmost point casing respectively correspond and form node hole and spring hole, inside and outside pole correspond respectively and set up inside and outside pole inslot of getting, inside and outside switch node and spring section correspond and pass node hole and spring hole.
10. The miniature circuit breaker with a power take-off switching node of claim 7, wherein: the miniature circuit breaker with the power taking switch node further comprises a handle and a release, the outer switch node is arranged between the operating mechanism and the handle, and the inner switch node is arranged between the circuit breaker handle and the release.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810563931.0A CN108511280B (en) | 2018-06-04 | 2018-06-04 | Miniature circuit breaker with power-taking switch node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810563931.0A CN108511280B (en) | 2018-06-04 | 2018-06-04 | Miniature circuit breaker with power-taking switch node |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108511280A CN108511280A (en) | 2018-09-07 |
| CN108511280B true CN108511280B (en) | 2024-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810563931.0A Active CN108511280B (en) | 2018-06-04 | 2018-06-04 | Miniature circuit breaker with power-taking switch node |
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| Country | Link |
|---|---|
| CN (1) | CN108511280B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101144585B1 (en) * | 2011-01-28 | 2012-05-09 | 엘에스산전 주식회사 | Trip alarm mechanism for small circuit breaker |
| CN204189731U (en) * | 2014-10-05 | 2015-03-04 | 浙江正泰电器股份有限公司 | Circuit breaker matching used with IC-card pre payment watthour meter |
| CN104979142A (en) * | 2014-04-11 | 2015-10-14 | 施耐德电器工业公司 | Release and breaker with release |
| CN106653509A (en) * | 2015-10-30 | 2017-05-10 | 浙江正泰电器股份有限公司 | Remote control small circuit breaker |
| CN208189491U (en) * | 2018-06-04 | 2018-12-04 | 浙江德菱科技股份有限公司 | Miniature circuit breaker with electricity-getting switch node |
-
2018
- 2018-06-04 CN CN201810563931.0A patent/CN108511280B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101144585B1 (en) * | 2011-01-28 | 2012-05-09 | 엘에스산전 주식회사 | Trip alarm mechanism for small circuit breaker |
| CN104979142A (en) * | 2014-04-11 | 2015-10-14 | 施耐德电器工业公司 | Release and breaker with release |
| CN204189731U (en) * | 2014-10-05 | 2015-03-04 | 浙江正泰电器股份有限公司 | Circuit breaker matching used with IC-card pre payment watthour meter |
| CN106653509A (en) * | 2015-10-30 | 2017-05-10 | 浙江正泰电器股份有限公司 | Remote control small circuit breaker |
| CN208189491U (en) * | 2018-06-04 | 2018-12-04 | 浙江德菱科技股份有限公司 | Miniature circuit breaker with electricity-getting switch node |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108511280A (en) | 2018-09-07 |
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