CN110233086B - Terminal strip structure with three-position contacts for drawer-type circuit breaker - Google Patents
Terminal strip structure with three-position contacts for drawer-type circuit breaker Download PDFInfo
- Publication number
- CN110233086B CN110233086B CN201910591714.7A CN201910591714A CN110233086B CN 110233086 B CN110233086 B CN 110233086B CN 201910591714 A CN201910591714 A CN 201910591714A CN 110233086 B CN110233086 B CN 110233086B
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- contact
- plate
- conducting strip
- iii
- butt joint
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- 238000000926 separation method Methods 0.000 claims abstract description 15
- 210000001503 joint Anatomy 0.000 claims description 71
- 238000003825 pressing Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 7
- 238000005452 bending Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012356 Product development Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/173—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal drawer type
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention discloses a terminal strip structure with three-position contacts for a drawer type circuit breaker, which comprises an upper terminal assembly of a contact group fixed on a drawer seat shell, and a lower terminal assembly of the contact group fixed on a drawer type circuit breaker body, wherein a butting groove II of the upper section subassembly comprises a butting female groove I for a secondary circuit and a butting female groove II for position triggering, the butting female groove II at least comprises three groups, a separation position conducting sheet I, a test position conducting sheet II and a connection position conducting sheet III are respectively and fixedly arranged in the three groups of butting female grooves II, the butting groove I comprises a butting male groove I for the secondary circuit and a butting male groove II for position triggering, which correspond to the position of the butting groove II, and when the circuit breaker body moves to the drawer seat, a triggering signal can be uploaded during separation, test and connection positions.
Description
Technical Field
The invention relates to the technical field of low-voltage switch equipment, in particular to a terminal strip structure with a three-position switching triggering function for a drawer-type circuit breaker.
Background
The intelligent universal breaker is used as a power-level protection electric appliance, has the functions of overload, short circuit, phase failure, overvoltage, undervoltage, grounding protection and the like, can protect circuits and electric equipment from damage, and can also be used for protecting the possible grounding faults in the circuits, thereby being trusted and used by vast power users.
The three-position indication is used for indicating the real-time state of the drawer type universal circuit breaker body, and improving the safety and reliability of operation inspection. The three-position indication function on the market is improved on the drawer seat at present, and the relative position of the drawer seat of the body cannot be intuitively indicated due to high cost and insufficient contact capacity in a general structure mode of a travel switch, and a connecting terminal needs to be externally connected.
With the continuous improvement of the degree of automation, the places needing to indicate and upload the three-position state signals are increasingly increased, and the existing three-position triggering structure cannot meet the product development requirement due to cost limitation, insufficient contact capacity, small internal space of the structure and the like.
Disclosure of Invention
In order to solve the technical problems, the invention provides the terminal strip structure with the three-position contacts for the drawer-type circuit breaker, which is used for controlling the production cost, increasing the contact capacity, indicating the three-position state more intuitively, avoiding adding additional auxiliary contacts and improving the safety and the reliability of the circuit breaker.
In order to achieve the aim of the invention, the technical scheme adopted by the invention is as follows:
the utility model provides a three-position contact's for drawer type circuit breaker terminal row structure, it includes the contact group upper terminal subassembly that fixes on drawer seat shell, and the contact group lower terminal subassembly that fixes at drawer type circuit breaker body, contact group lower terminal subassembly includes lower terminal row seat, lower terminal row seat and body fixed connection, it includes wiring slotted hole I that the interval of bottom was arranged, upper end front side is arranged with butt joint groove I at intervals, contact row upper terminal subassembly includes terminal row seat, it is connected with drawer seat fixed, be provided with wiring slotted hole II that arranges, the lower extreme is provided with butt joint groove II that the interval was arranged, it is crisscross with butt joint groove I to arrange, butt joint female groove II for secondary circuit that butt joint groove II includes is with butt joint female groove I and position trigger for butt joint female groove II, butt joint female groove II includes three sets at least, the fixed separation position conducting strip I that sets up respectively in three sets of butt joint female grooves II, test position conducting strip II, connecting position conducting strip III, butt joint groove I includes the secondary circuit that corresponds with butt joint groove II position is with butt joint public groove I and position trigger and is with butt joint public groove II, butt joint public groove II is provided with general conducting strip IV, circuit breaker, when moving to butt joint public strip I and IV is connected with general conducting strip II in the contact position conducting strip I in the separation position of contact; when the body is displaced to the test position, the conductive sheet IV is in contact connection with the conductive sheet II, and the conductive sheet I and the conductive sheet III are not in contact with the conductive sheet IV at the corresponding positions; when the body is displaced to a connecting position, the conducting strip IV is in contact connection with the conducting strip III, the conducting strip I and the conducting strip II are not in contact with the conducting strip IV at the corresponding positions, the conducting strip IV is provided with a contact I, the conducting strip I is provided with a position contact plate I, the conducting strip II is provided with a position contact plate II, the conducting strip III is provided with a position contact plate III, the position contact plate I, the position contact plate II and the position contact plate III are arranged on the advancing path of the contact I, and three groups of conducting strips IV are respectively in contact connection with the position contact plate I, the position contact plate II and the position contact plate III through the contact I.
The separation position conducting strip I, the test position conducting strip II and the connection position conducting strip III are respectively and independently arranged in the independent butt joint mother groove II.
Further, the separation position conducting strip I, the test position conducting strip II and the connection position conducting strip III are arranged in two groups, and the arrangement of multiple groups can improve the electric gap and the reliability of butt joint fit.
The contact I is an elastic contact, and when being connected with the position contact plate I, the position contact plate II and the position contact plate III, the contact I is displaced to one side, and further, the front ends of the position contact plate I, the position contact plate II and the position contact plate III are provided with inclined planes, so that the contact is smooth.
The contact I, the position contact plate II and the position contact plate III are arranged at the same height, the position contact plate I, the position contact plate II and the position contact plate III are arranged at the front and back positions in sequence, and the contact I only contacts the position contact plate I, the position contact plate II and the position contact plate III on the advancing path and does not contact other parts of the fixed plate II.
Butt joint groove I and butt joint groove II staggered arrangement are convenient for lower terminal subassembly and last terminal subassembly butt joint for butt joint groove I and butt joint groove II coincidence are provided with conventional conducting strip group in butt joint female groove I and the public inslot I of butt joint, and after its butt joint, realize that the circuit switches on.
The conducting strip IV include fixed plate I, connecting plate, contact I, the vertical setting of fixed plate I is provided with wiring point I on the fixed plate I, fixed plate I is connected with contact I through the connecting plate, wiring point I is used for connecting the binding post in the wiring slotted hole I, fixed plate I is connected with butt joint public groove II, connecting plate, contact I set up in fixed plate I upper end, be provided with the clearance between contact I and the fixed plate I.
Further, the fixing plate I and the connecting plate are both sheet-shaped and arranged on the same plane, the contact I is a vertically arranged bent plate, the bent part of the contact I is convex, the overlooking cross section is ﹀, and the convex surface of the bent part is a contact surface.
The conducting strip I, the conducting strip II and the conducting strip III all include fixed plate II of the same structure, fixed plate II upper end integral type is connected with wiring point II, the three difference lies in the position difference of position touch plate, position touch plate I integral type is connected in the fixed plate II front side of conducting strip I, position touch plate II connects in the fixed plate II middle side of conducting strip II, position touch plate III connects in the fixed plate II rear side of conducting strip III.
The wiring point II is of a wiring screw structure and comprises a screw, a pressing plate with a through hole and an end plate with a bolt hole, wherein the end plate is integrally connected with the fixing plate II, the screw penetrates through the pressing plate and then is in threaded connection with the bolt hole, and a wire is crimped between the pressing plate and the end plate.
Further, the fixing plate I and the fixing plate II are also provided with clamping plates for installation and positioning, the clamping plates are integrally connected with the fixing plate I or the fixing plate II, a gap is formed between the end of each clamping plate and the fixing plate I or the fixing plate II, and the fixing plate I or the fixing plate II is connected with the inner side of the butt joint male groove II or the butt joint female groove II through the clamping plates; the junction I is provided with the connecting hole.
Further, the conductive parts in the butt joint groove I and the butt joint groove II are added with proper protruding, bending and chamfering structures at the conductive contact positions, so that the reliability of the matching is improved.
When the breaker body moves to the drawer seat, the conductive sheet in the butt joint male groove I of the lower terminal contact assembly can be contacted with the conductive sheet in the butt joint female groove I, so that the circuit conduction for a secondary circuit is completed, namely the effect of a conventional butt joint terminal strip is achieved; in the whole process, the invention is characterized in that three groups of conductive sheets IV in the butt joint male groove II are respectively connected with the separation position conductive sheet I, the test position conductive sheet II and the connection position conductive sheet III in the independent butt joint female groove II in a one-by-one single contact mode according to the advancing degree of the body, so that circuit signal conduction at three positions is realized, and the three-position state signal is uploaded accurately.
The beneficial effects of the invention are as follows:
compared with the existing three-position indicating structural unit, the three-position indicating circuit breaker has the advantages that the production cost is controlled, the contact capacity is increased, the volume of the trigger switch is smaller, more contacts can be installed in the same space, meanwhile, the contact structure is more reasonable and reliable in design, the contact accuracy is high, the synchronism is high, the three-position state signal can be accurately uploaded, the three-position state is more intuitively indicated, and therefore the safety and the reliability of the circuit breaker are improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of the general conductive sheet IV of the present invention;
FIG. 3 is a schematic diagram of the structure of the conductive sheet I;
FIG. 4 is a schematic diagram of a conductive sheet II;
FIG. 5 is a schematic diagram of the structure of a conductive sheet III;
fig. 6 is a schematic view of the structure of the present invention on a drawer-type circuit breaker;
FIG. 7 is a schematic diagram illustrating a separation position connection according to an embodiment of the present invention;
fig. 8 is a three-position state diagram of an embodiment of the present invention.
1-lower terminal strip seat, 2-wiring slot I, 3-butt joint groove I, 4-upper terminal strip seat, 5-wiring slot II, 6-butt joint groove II, 7-conducting strip I, 8-conducting strip II, 9-conducting strip III, 10-conducting strip IV, 11-butt joint male slot II, 12-body, 13-drawer seat, 14-contact I, 15-fixed plate I, 16-connecting plate, 17-position contact plate I, 18-position contact plate II, 19-position contact plate III, 20-wiring point II, 21-wiring point I, 22-clamping plate and 23-fixed plate II.
Detailed Description
The invention is explained in detail below with reference to the accompanying drawings, the terminal strip structure with three-position contacts for the drawer type circuit breaker is shown in the accompanying drawings, the terminal strip structure comprises an upper terminal assembly of a contact group fixed on a shell of a drawer seat 13 and a lower terminal assembly of a contact group fixed on a drawer type circuit breaker body 12, the lower terminal assembly of the contact group comprises a lower terminal strip seat 1, the lower terminal strip seat 1 is fixedly connected with the body 12 and comprises wiring slots I2 which are arranged at the bottom at intervals, a butting slot I3 which is arranged at the front side of the upper end at intervals, the upper terminal assembly of the contact group comprises an upper terminal strip seat 4 which is fixedly connected with the drawer seat 13, the wiring slots II 5 which are arranged, the lower end is provided with butting slots II 6 which are arranged at intervals and are staggered with the butting slots I3, a secondary circuit comprising butting mother slot I and a position triggering mother slot II, the butting mother slot II at least comprises three groups, a separation position conducting sheet I7, a test position conducting sheet II 8 and a connection position conducting sheet III, the butting slot II 3 comprises a butting slot II and a butt joint slot I and a universal conducting sheet 11 which are arranged in the butting slot I and a universal conducting sheet 11, and a universal conducting sheet 11 II are arranged in the butting slot II, and a universal conducting sheet 11 is arranged in the butting slot II is in the butting slot 11 and the butting slot II, and the universal conducting sheet 11 is arranged in the butting slot II and the butt circuit breaker; when the body 12 is displaced to the test position, the conducting strip IV 10 is in contact connection with the conducting strip II 8, and the conducting strip I7 and the conducting strip III 9 are not in contact with the conducting strip IV 10 at the corresponding positions; when the body 12 moves to the connection position, the conducting strip IV 10 is in contact connection with the conducting strip III 9, the conducting strip I7 and the conducting strip II 8 are not in contact with the conducting strip IV 10 at the corresponding positions, the conducting strip IV 10 is provided with a contact I14, the conducting strip I7 is provided with a position contact I17, the conducting strip II 8 is provided with a position contact II 18, the conducting strip III 9 is provided with a position contact III 19, the position contact I17, the position contact II 18 and the position contact III 19 are arranged on the advancing path of the contact I14, and three groups of conducting strips IV 10 are in contact connection with the position contact I17, the position contact II 18 and the position contact III 19 respectively through the contact I14.
The separation position conducting strip I7, the test position conducting strip II 8 and the connection position conducting strip III 9 are respectively and independently arranged in the independent butt joint mother groove II.
Further, the separation position conducting strip I7, the test position conducting strip II 8 and the connection position conducting strip III 9 are arranged in two groups, and the electric gap can be improved by the arrangement of multiple groups, so that the reliability of butt joint fit is improved.
The contact I14 is an elastic contact, and is displaced to one side when being connected with the position contact plate I17, the position contact plate II 18 and the position contact plate III 19, and further, the front ends of the position contact plate I17, the position contact plate II 18 and the position contact plate III 19 are provided with inclined planes, so that smooth contact is facilitated.
The contact I14, the position contact plate I17, the position contact plate II 18 and the position contact plate III 19 are arranged at the same height, the position contact plate I17, the position contact plate II 18 and the position contact plate III 19 are arranged at the front and back positions in sequence, and the contact I14 only contacts the position contact plate I17, the position contact plate II 18 and the position contact plate III 19 on the advancing path and does not contact other parts of the fixed plate II 23.
Butt joint groove I3 and butt joint groove II 6 staggered arrangement are convenient for lower terminal subassembly and last terminal subassembly butt joint for butt joint groove I3 and butt joint groove II 6 coincidence are provided with conventional conducting strip group in butt joint female groove I and the public inslot of butt joint I, and after its butt joint, realize that the circuit switches on.
The conducting strip IV 10 include fixed plate I15, connecting plate 16, contact I14, the vertical setting of fixed plate I15 is provided with wiring point I21 on the fixed plate I15, fixed plate I15 passes through connecting plate 16 and is connected with contact I14, wiring point I21 is used for connecting the binding post in the wiring slotted hole I, fixed plate I15 is connected with butt joint public groove II 11, connecting plate 16, contact I14 set up in fixed plate I15 upper end, be provided with the clearance between contact I14 and the fixed plate I15.
Further, the fixing plate I15 and the connecting plate 16 are both sheet-shaped and arranged on the same plane, the contact I14 is a vertically arranged bent plate, the bent part of the contact I is protruded, the overlooking cross section is ﹀, and the protruded surface of the bent part is a contact surface.
The conducting strip I7, the conducting strip II 8 and the conducting strip III 9 all comprise a fixed plate II 23 with the same structure, the upper end of the fixed plate II 23 is integrally connected with a wiring point II, the three differences are that the positions of the position touch plates are different, the position touch plate I17 is integrally connected to the front side of the fixed plate II 23 of the conducting strip I7, the position touch plate II 18 is connected to the middle side of the fixed plate II 23 of the conducting strip II 8, and the position touch plate III 19 is connected to the rear side of the fixed plate II 23 of the conducting strip III 9.
The wiring point II 20 is of a wiring screw structure and comprises a screw, a pressing plate with a through hole and an end plate with a bolt hole, wherein the end plate is integrally connected with the fixing plate II 23, the screw penetrates through the pressing plate and then is in threaded connection with the bolt hole, and a wire is crimped between the pressing plate and the end plate.
Further, the fixing plate I15 and the fixing plate II 23 are also provided with a clamping plate 22 for installation and positioning, the clamping plate 22 is integrally connected with the fixing plate I15 or the fixing plate II 23, a gap is formed between the end of the clamping plate 22 and the fixing plate I15 or the fixing plate II 23, and the fixing plate I15 or the fixing plate II 23 is connected with the inner side of the butt joint male groove II 11 or the butt joint female groove II through the clamping plate 22; the junction I21 is provided with a connecting hole.
Further, the conductive parts in the butt joint groove I3 and the butt joint groove II 6 are added with proper protruding, bending and chamfering structures at the conductive contact positions, so that the reliability of the matching is improved.
When the breaker body 12 moves to the drawer seat 13, the conductive sheet in the butt joint male groove I of the lower terminal contact assembly is contacted with the conductive sheet in the butt joint female groove I, so that the circuit conduction for a secondary circuit is completed, namely the function of a conventional butt joint terminal strip is achieved; in the whole process, the invention is characterized in that three groups of conductive sheets IV 10 in the butt joint male groove II 11 are respectively connected with the separation position conductive sheet I7, the test position conductive sheet II 8 and the connection position conductive sheet III 9 in the independent butt joint female groove II in a single contact mode according to the advancing degree of the body 12, so that circuit signal conduction at three positions is realized, and a three-position state signal is accurately uploaded.
Claims (6)
1. The utility model provides a terminal strip structure of three position contact in area for drawer type circuit breaker, it includes the contact group upper terminal subassembly of fixing on drawer seat shell, and fix the contact group lower terminal subassembly at drawer type circuit breaker body, contact group lower terminal subassembly includes terminal strip seat down, lower terminal strip seat and body fixed connection, it includes wiring slotted hole I that the interval of bottom was arranged, butt joint groove I that upper end front side interval was arranged, contact row upper terminal subassembly includes terminal strip seat, it and drawer seat fixed connection, be provided with wiring slotted hole II that the interval was arranged, the lower extreme is provided with butt joint groove II that the interval was arranged, its and butt joint groove I staggered arrangement, its characterized in that: the secondary circuit butt joint device comprises a butt joint female groove I and a butt joint female groove II for position triggering, wherein the butt joint female groove II at least comprises three groups, a separation position conducting strip I, a test position conducting strip II and a connection position conducting strip III are respectively and fixedly arranged in the three groups of butt joint female grooves II; when the body is displaced to the test position, the conductive sheet IV is in contact connection with the conductive sheet II, and the conductive sheet I and the conductive sheet III are not in contact with the conductive sheet IV at the corresponding positions; when the body moves to a connecting position, the conducting strip IV is in contact connection with the conducting strip III, the conducting strip I and the conducting strip II are not in contact with the conducting strip IV at the corresponding positions, the conducting strip IV is provided with a contact I, the conducting strip I is provided with a position contact plate I, the conducting strip II is provided with a position contact plate II, the conducting strip III is provided with a position contact plate III, the position contact plate I, the position contact plate II and the position contact plate III are arranged on the advancing path of the contact I, and three groups of conducting strips IV are respectively in contact connection with the position contact plate I, the position contact plate II and the position contact plate III through the contact I;
the contact I, the position contact plate II and the position contact plate III are arranged at the same height, the position contact plate I, the position contact plate II and the position contact plate III are arranged at the front and back positions in sequence, and the advancing path of the contact I only contacts the position contact plate I, the position contact plate II and the position contact plate III and does not contact other parts of the fixed plate II;
the conducting strip IV comprises a fixing plate I, a connecting plate and a contact I, wherein the fixing plate I is vertically arranged, a wiring point I is arranged on the fixing plate I, the fixing plate I is connected with the contact I through the connecting plate, the wiring point I is used for connecting a wiring terminal in a wiring slot I, the fixing plate I is connected with a butt joint male slot II, the connecting plate and the contact I are arranged at the upper end of the fixing plate I, and a gap is formed between the contact I and the fixing plate I;
the conducting strip I, the conducting strip II and the conducting strip III all include fixed plate II of the same structure, fixed plate II upper end integral type is connected with wiring point II, the three difference lies in the position difference of position touch plate, position touch plate I integral type is connected in the fixed plate II front side of conducting strip I, position touch plate II connects in the fixed plate II middle side of conducting strip II, position touch plate III connects in the fixed plate II rear side of conducting strip III.
2. The three-position contact terminal block structure for a drawer-type circuit breaker according to claim 1, wherein: the fixed plate I and the connecting plate are both sheet-shaped and are arranged on the same plane, the contact I is a vertically arranged bent plate, the bent part of the contact I is convex, and the overlooking section of the contact I is ﹀.
3. The three-position contact terminal block structure for a drawer-type circuit breaker according to claim 1, wherein: the wiring point II is of a wiring screw structure and comprises a screw, a pressing plate with a through hole and an end plate with a bolt hole, wherein the end plate is integrally connected with the fixing plate II, the screw penetrates through the pressing plate and then is in threaded connection with the bolt hole, and a wire is crimped between the pressing plate and the end plate.
4. The three-position contact terminal block structure for a drawer-type circuit breaker according to claim 1, wherein: the fixing plate I and the fixing plate II are also provided with clamping plates for installation and positioning, the clamping plates are integrally connected with the fixing plate I or the fixing plate II, a gap is formed between the end of each clamping plate and the fixing plate I or the fixing plate II, and the fixing plate I or the fixing plate II is connected with the inner side of the butt joint male groove II or the butt joint female groove II through the clamping plates; the junction I is provided with the connecting hole.
5. The three-position contact terminal block structure for a drawer-type circuit breaker according to claim 1, wherein: the separation position conducting strip I, the test position conducting strip II and the connection position conducting strip III are respectively and independently arranged in the independent butt joint mother groove II.
6. The three-position contact terminal block structure for a drawer-type circuit breaker according to claim 1, wherein: the separation position conductive sheet I, the test position conductive sheet II and the connection position conductive sheet III are provided with two groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910591714.7A CN110233086B (en) | 2019-07-03 | 2019-07-03 | Terminal strip structure with three-position contacts for drawer-type circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910591714.7A CN110233086B (en) | 2019-07-03 | 2019-07-03 | Terminal strip structure with three-position contacts for drawer-type circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110233086A CN110233086A (en) | 2019-09-13 |
| CN110233086B true CN110233086B (en) | 2024-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910591714.7A Active CN110233086B (en) | 2019-07-03 | 2019-07-03 | Terminal strip structure with three-position contacts for drawer-type circuit breaker |
Country Status (1)
| Country | Link |
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| CN (1) | CN110233086B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102290725A (en) * | 2011-08-25 | 2011-12-21 | 遵义长征电器开关设备有限责任公司 | Three-position switching value output technology for drawer type frame breaker |
| CN204257565U (en) * | 2014-10-21 | 2015-04-08 | 浙江正泰电器股份有限公司 | Universal circuit breaker drawer seat and bridge-shaped contact thereof |
| KR20150059674A (en) * | 2013-11-22 | 2015-06-02 | 주식회사 광명전기 | Motor control center |
| KR101630678B1 (en) * | 2015-09-18 | 2016-06-24 | 윤여관 | Receiving Unit Assembly and Motor Control Center with the same |
| WO2017177914A1 (en) * | 2016-04-13 | 2017-10-19 | 首瑞（天津）电气设备有限公司 | Secondary circuit coupling assembly of circuit breaker and drawer-type circuit breaker |
| CN210110673U (en) * | 2019-07-03 | 2020-02-21 | 山东泰开电工电器有限公司 | Terminal row structure with three-position contact for drawer type circuit breaker |
-
2019
- 2019-07-03 CN CN201910591714.7A patent/CN110233086B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102290725A (en) * | 2011-08-25 | 2011-12-21 | 遵义长征电器开关设备有限责任公司 | Three-position switching value output technology for drawer type frame breaker |
| KR20150059674A (en) * | 2013-11-22 | 2015-06-02 | 주식회사 광명전기 | Motor control center |
| CN204257565U (en) * | 2014-10-21 | 2015-04-08 | 浙江正泰电器股份有限公司 | Universal circuit breaker drawer seat and bridge-shaped contact thereof |
| KR101630678B1 (en) * | 2015-09-18 | 2016-06-24 | 윤여관 | Receiving Unit Assembly and Motor Control Center with the same |
| WO2017177914A1 (en) * | 2016-04-13 | 2017-10-19 | 首瑞（天津）电气设备有限公司 | Secondary circuit coupling assembly of circuit breaker and drawer-type circuit breaker |
| CN210110673U (en) * | 2019-07-03 | 2020-02-21 | 山东泰开电工电器有限公司 | Terminal row structure with three-position contact for drawer type circuit breaker |
Non-Patent Citations (1)
| Title |
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| 一个简易有效的断路器三位显示装置;范尧明;;电工电气(09);全文 * |
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| CN110233086A (en) | 2019-09-13 |
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