CN104835700A - Control and protection switch - Google Patents
Control and protection switch Download PDFInfo
- Publication number
- CN104835700A CN104835700A CN201510250179.0A CN201510250179A CN104835700A CN 104835700 A CN104835700 A CN 104835700A CN 201510250179 A CN201510250179 A CN 201510250179A CN 104835700 A CN104835700 A CN 104835700A
- Authority
- CN
- China
- Prior art keywords
- contact
- control
- driving member
- moving
- moving contact
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 29
- 230000004888 barrier function Effects 0.000 claims abstract description 18
- 230000001681 protective effect Effects 0.000 claims description 25
- 230000003068 static effect Effects 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 9
- 238000010030 laminating Methods 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 5
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001447 compensatory effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
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
- H01H73/04—Contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Breakers (AREA)
- Electromagnets (AREA)
Abstract
The invention discloses a control and protection switch which comprises a shell which is internally provided with a contactor unit for realizing automatic control, an operation unit for manually controlling switch-on and switch-off, and a contact unit which communicates with a circuit. The contactor unit comprises a moving iron core and an electromagnet. The operation unit comprises a driving member and a support member. The contact unit comprises a moving contact, a static contact and a reset spring. The control and protection switch is characterized in that one end of the driving member and the moving iron core are in linkage, the other end is connected to the support member, the supporting member is provided with a cavity with openings at two ends, the moving contact goes through the cavity which is close to the side of the driving member and presses against the moving contact, the reset spring is installed between the side wall of the cavity far from the driving member and the moving contact, and a barrier plate is arranged between the moving contact and the reset spring. The invention aims to provide the control and protection switch with close fit of moving and static contacts, rapid separation, low temperature rise, and long service life.
Description
Technical field
The present invention relates to a kind of parts of control and protective switch, more particularly, it relates to a kind of control and protective switch.
Background technology
Control and protective switch product adopts modular single product structural shape; be integrated with the major function of traditional circuit breaker (fuse), contactor, overload (or overcurrent, disconnected phase) protection relay, starter, isolator etc.; there is far distance automatic controlling and direct manpower controlling functions on the spot; there is panel instruction and dynamoelectric signal warning function; there is over-and under-voltage defencive function; there is disconnected phase default-phase protection function, have cooperation time m-current protection characteristic (there is inverse time lag, specified time and instantaneous three section protection characteristic).Match functional module or annex as required, the control and scheduling co-design to all kinds of motor load, distribution load can be realized.
At present, (application number is that the Chinese patent of CN201420607766.1 discloses a kind of three-phase compensatory control and protection switch electrical equipment) on market, comprise pedestal, two relative arc-extinguish chambers and flow restricter coil is provided with in described pedestal, the fixed contact and moving contact that contact with each other is provided with between described two arc-extinguish chambers, described fixed contact is fixed on pedestal, described current-limiting inductor is provided with short circuit releasing structure, described moving contact is connected with a strutting piece, described strutting piece passes pedestal and is connected with short circuit tripping mechanism, described pedestal is provided with fixed support plate, described fixed support plate is connected by a flexible member with moving contact, compensating element, is provided with before described moving contact and contact supporter.
Be such as disclose a kind of control and protective switch in the Chinese invention patent application of CN201210188882.X at application number again, include mount pad, end cap, be located at the longitudinal two ends of mount pad binding post, to be between the binding post of mount pad longitudinal both sides and the breaker unit, relay unit and the contact unit that are electrically connected with binding post respectively, relay unit includes electromagnetic link mechanism, is connected between breaker unit and electromagnetic link mechanism by dropout shut-off mechanism; Be connected by trip assembley therefor between contact unit and breaker unit; Breaker unit includes and is located at shell bottom mount pad, be located at fixed contact in shell and moving contact, and moving contact is connected respectively by STATEMENT OF FEDERALLY SPONSORED with between dropout shut-off mechanism and trip assembley therefor.
In the structure of said structure or general control and protection switch, its fixed contact is all be arranged between housing and moving contact, and by being fixed on spring between the two as force piece, the elastic force of spring is relied on to make moving contact and fixed contact conflict to be formed and be electrically connected, when needs Long-distance Control breaking-off contact connects, again by the dynamic iron core action on A.C. contactor, apply pressure to moving contact moving contact to be separated with fixed contact realize separating brake, but this structure only relies on the elastic force of spring when closing a floodgate, laminating defective tightness in making process between fixed contact and moving contact, and when fixed contact is separated with moving contact, moving contact needs to compress this spring, cause between fixed contact with moving contact be separated rapid not, cause contact action efficiency low, the defect of temperature rise.
Summary of the invention
For the deficiency that prior art exists, the object of the present invention is to provide a kind of dynamic/static contact to fit closely, be separated rapidly, temperature rise is low, the control and protective switch of long service life.
For achieving the above object, the invention provides following technical scheme: a kind of control and protective switch, comprise housing, the contact unit realizing automatically controlling is provided with in described housing, the operating unit of Non-follow control divide-shut brake, the contact unit of connection circuit, described contact unit comprises dynamic iron core, electromagnet, described operating unit comprises driving member, supporter, described contact unit comprises moving contact, fixed contact, back-moving spring, wherein: described driving member one end and dynamic iron core link, the other end is connected with supporter, described supporter is provided with the cavity of both ends open, described moving contact is located in cavity, and cavity is conflicted near the sidewall of driving member and moving contact, described back-moving spring is arranged on described cavity away between the sidewall of driving member and moving contact, barrier flaps is provided with between described moving contact and back-moving spring.
By adopting technique scheme, described contact supporter is arranged in control and protective switch, dynamic iron core in its driver plate and switch links comprehensively, when dynamic iron core is attracted mobile by magnetic coil, supporter is driven to move by described driver plate, thus the moving contact in supporter and the fixed contact be fixed in switch case are conflicted, magnetic coil is utilized to replace originally less spring force to the suction of dynamic iron core, make the laminating of moving contact and fixed contact rapider, closely, simultaneously in the laminating process of moving contact and fixed contact, dynamic iron core compression reseting spring, on magnetic coil, magnetic force disappears, during dynamic plunger return, described back-moving spring makes moving contact be separated from fixed contact rapidly, thus replace the resistance of spring when script moving contact is separated with fixed contact, make to move, the speed that fixed contact disconnects is accelerated, thus effectively reduce dynamic, the temperature rise that fixed contact produces when disjunction, moving contact and back-moving spring separate by described barrier flaps, prevent the electric current on moving contact, temperature conduction to back-moving spring, avoid back-moving spring therefore produce aging, distortion, lost efficacy, greatly improve the security performance of this contact system, extend the useful life of this contact system.
The present invention is set to further: the two ends of described barrier flaps are provided with limiting section, the opening clamping of described limiting section and cavity.
By adopting such scheme, making described barrier flaps firmly be fixed in cavity, between moving contact and back-moving spring, preventing barrier flaps from surprisingly dropping in moving contact reciprocatory movement.
The present invention is set to further: described barrier flaps is arranged in " work " shape.
By adopting technique scheme, making the clamping of described barrier flaps and cavity more comprehensive, fastening, effectively preventing barrier flaps from dropping.
The present invention is set to further: described supporter is provided with 3, and described supporter is disposed in parallel on driving member successively.
By adopting technique scheme, the three-phase circuit in corresponding control and protective switch, makes the scope of application of this supporter wider.
The present invention is set to further: the opening direction of described cavity is vertical with the jointed shaft direction of supporter.
By adopting technique scheme, facilitating the installation of three adjacent moving contacts, effectively utilizing space.
The present invention is set to further: described driving member is provided with two fixed supports near the side of moving contact, and described fixed support is separately positioned on the both sides of dynamic iron core, and described fixed support and dynamic iron core are equipped with connecting rod
By adopting technique scheme, described driving member being linked with dynamic iron core securely, making that the transmission efficiency of described driving member is higher, performance is more stable.
Accompanying drawing explanation
Fig. 1 is the perspective view of control and protective switch embodiment of the present invention;
Fig. 2 is the schematic perspective view of A.C. contactor unit, contact unit, breaker unit structure in control and protective switch embodiment of the present invention;
Fig. 3 is the schematic perspective view of A.C. contactor unit, contact unit structure in control and protective switch embodiment of the present invention;
Fig. 4 is the generalized section of control and protective switch embodiment of the present invention;
Fig. 5 is the perspective view of supporter in control and protective switch embodiment of the present invention.
Reference numeral: 1, housing; 2, contact unit; 21, dynamic iron core; 22, electromagnet; 3, contact unit; 31, fixed contact; 32, moving contact; 33, back-moving spring; 4, breaker unit; 5, operating unit; 51, driving member; 52, supporter; 6, cavity; 7, barrier flaps; 8, binding post; 9, fixed support; 10, connecting rod.
Embodiment
Referring to figs. 1 through Fig. 5, control and protective switch embodiment of the present invention is described further.
A kind of control and protective switch, comprise housing 1, the contact unit 2 realizing automatically controlling is provided with in described housing 1, the operating unit 5 of Non-follow control divide-shut brake, the contact unit 3 of connection circuit, detect the breaker unit 4 of leakage current and connect the binding post 8 of external power source, described contact unit 2 comprises dynamic iron core 21, electromagnet 22, described operating unit 5 comprises driving member 51, supporter 52, described contact unit 3 comprises moving contact 32, fixed contact 31, back-moving spring 33, wherein: described driving member 51 one end and dynamic iron core 21 link, the other end is connected with supporter 52, described supporter 52 is provided with the cavity 6 of both ends open, described moving contact 32 is located in cavity 6, and cavity 6 is conflicted near the sidewall of driving member 51 and moving contact 32, described back-moving spring 33 is arranged on described cavity 6 away between the sidewall of driving member 51 and moving contact 32, barrier flaps 7 is provided with between described moving contact 32 and back-moving spring 33, the two ends of described barrier flaps 7 are provided with limiting section, the opening clamping of described limiting section and cavity 6, described barrier flaps 7 is arranged in " work " shape.
By adopting technique scheme, described contact supporter 52 is arranged in control and protective switch, dynamic iron core 21 in its driver plate and switch links comprehensively, when dynamic iron core 21 is attracted mobile by magnetic coil, supporter 52 is driven to move by described driver plate, thus the moving contact 32 in supporter 52 is conflicted with the fixed contact 31 be fixed in switch case 1, magnetic coil is utilized to replace originally less spring force to the suction of dynamic iron core 21, make moving contact 32 rapider with the laminating of fixed contact 31, closely, simultaneously at moving contact 32 with the laminating process of fixed contact 31, dynamic iron core 21 compression reseting spring 33, on magnetic coil, magnetic force disappears, when dynamic iron core 21 resets, described back-moving spring 33 makes moving contact 32 be separated from fixed contact 31 rapidly, thus replace the resistance of spring when script moving contact 32 is separated with fixed contact 31, make to move, the speed that fixed contact 31 disconnects is accelerated, thus effectively reduce dynamic, the temperature rise that fixed contact 31 produces when disjunction, moving contact 32 and back-moving spring 33 separate by described barrier flaps 7, prevent the electric current on moving contact 32, temperature conduction to back-moving spring 33, avoid back-moving spring 33 therefore produce aging, distortion, lost efficacy, greatly improve the security performance of this contact system, extend the useful life of this contact system.
As another kind of embodiment of the present invention, a kind of control and protective switch, comprise housing 1, the contact unit 2 realizing automatically controlling is provided with in described housing 1, the operating unit 5 of Non-follow control divide-shut brake, the contact unit 3 of connection circuit, detect the breaker unit 4 of leakage current and connect the binding post 8 of external power source, described contact unit 2 comprises dynamic iron core 21, electromagnet 22, described operating unit 5 comprises driving member 51, supporter 52, described contact unit 3 comprises moving contact 32, fixed contact 31, back-moving spring 33, wherein: described driving member 51 one end and dynamic iron core 21 link, the other end is connected with supporter 52, described supporter 52 is provided with the cavity 6 of both ends open, described moving contact 32 is located in cavity 6, and cavity 6 is conflicted near the sidewall of driving member 51 and moving contact 32, described back-moving spring 33 is arranged on described cavity 6 away between the sidewall of driving member 51 and moving contact 32, barrier flaps 7 is provided with between described moving contact 32 and back-moving spring 33, described supporter 52 is provided with 3, and described supporter 52 is disposed in parallel on driving member 51 successively, the opening direction of described cavity 6 is vertical with the jointed shaft direction of supporter 52.Described driving member 51 is provided with two fixed supports 9 near the side of moving contact 32, described fixed support 9 is separately positioned on the both sides of dynamic iron core 21, described fixed support 9 and dynamic iron core 21 are equipped with connecting rod 10, preferably, the structure of described supporter 52 upper plenum 6 can also be arranged to Demountable, by this cavity 6 along its in the middle part of horizontal direction separately, by cavity 6 up and down two by the clamping of fixture block structure, this moving contact 32 can be changed into common structure easily, make its structure more flexibly, the scope of application is wider.
By the three-phase circuit in 3 corresponding control and protective switchs of supporter 52, make the scope of application of this supporter 52 wider.The opening direction of described cavity 6 is vertical with the jointed shaft direction of supporter 52, facilitate the installation of three adjacent moving contacts 32, effectively utilize space, described driving member 51 links with dynamic iron core 21 with the structure of connecting rod 10 by described fixed support 9 securely, makes that the transmission efficiency of described driving member 51 is higher, performance is more stable.
The above is only the preferred embodiment of the present invention, protection scope of the present invention be not only confined to above-described embodiment, and all technical schemes belonged under thinking of the present invention all belong to protection scope of the present invention.It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. a control and protective switch, comprise housing, the contact unit realizing automatically controlling is provided with in described housing, the operating unit of Non-follow control divide-shut brake, the contact unit of connection circuit, described contact unit comprises dynamic iron core, electromagnet, described operating unit comprises driving member, supporter, described contact unit comprises moving contact, fixed contact, back-moving spring, it is characterized in that: described driving member one end and dynamic iron core link, the other end is connected with supporter, described supporter is provided with the cavity of both ends open, described moving contact is located in cavity, and cavity is conflicted near the sidewall of driving member and moving contact, described back-moving spring is arranged on described cavity away between the sidewall of driving member and moving contact, barrier flaps is provided with between described moving contact and back-moving spring.
2. control and protective switch according to claim 1, is characterized in that: the two ends of described barrier flaps are provided with limiting section, the opening clamping of described limiting section and cavity.
3. control and protective switch according to claim 2, is characterized in that: described barrier flaps is arranged in " work " shape.
4. control and protective switch according to claim 1, is characterized in that: described supporter is provided with 3, and described supporter is disposed in parallel on driving member successively.
5. control and protective switch according to claim 4, is characterized in that: the opening direction of described cavity is vertical with the jointed shaft direction of supporter.
6. control and protective switch according to claim 1; it is characterized in that: described driving member is provided with two fixed supports near the side of moving contact; described fixed support is separately positioned on the both sides of dynamic iron core, and described fixed support and dynamic iron core are equipped with connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510250179.0A CN104835700B (en) | 2015-05-15 | 2015-05-15 | Control and protective switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510250179.0A CN104835700B (en) | 2015-05-15 | 2015-05-15 | Control and protective switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104835700A true CN104835700A (en) | 2015-08-12 |
| CN104835700B CN104835700B (en) | 2017-12-08 |
Family
ID=53813515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510250179.0A Expired - Fee Related CN104835700B (en) | 2015-05-15 | 2015-05-15 | Control and protective switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104835700B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105448612A (en) * | 2015-12-30 | 2016-03-30 | 雷顿电气科技有限公司 | Control and protection switch |
| CN105470063A (en) * | 2015-12-30 | 2016-04-06 | 雷顿电气科技有限公司 | Control and protection switch |
| CN107591298A (en) * | 2016-07-08 | 2018-01-16 | 施耐德电器工业公司 | Module for the interconnection of the breaker and contactor of electric component |
| CN109888720A (en) * | 2019-02-28 | 2019-06-14 | 云南升华电梯有限公司 | A phase loss protection device |
| WO2021012540A1 (en) * | 2019-07-25 | 2021-01-28 | 迅达（中国）电梯有限公司 | Contact switch and elevator control circuit |
| CN113284773A (en) * | 2021-05-26 | 2021-08-20 | 上海电器科学研究所（集团）有限公司 | Switch with built-in current-limiting fuse |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2308162Y (en) * | 1995-12-04 | 1999-02-17 | 机械工业部上海电器科学研究所 | Combined modular switch electrical equipment with control and protection functions |
| US20010011651A1 (en) * | 2000-02-07 | 2001-08-09 | Jun Oyama | Contact shoe device for circuit breaker |
| CN2558060Y (en) * | 2002-04-19 | 2003-06-25 | 上海电器科学研究所 | Arc extinguisher for ac contactor |
| CN104078288A (en) * | 2014-07-18 | 2014-10-01 | 佳一电气有限公司 | Electromagnetic operating mechanism |
-
2015
- 2015-05-15 CN CN201510250179.0A patent/CN104835700B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2308162Y (en) * | 1995-12-04 | 1999-02-17 | 机械工业部上海电器科学研究所 | Combined modular switch electrical equipment with control and protection functions |
| US20010011651A1 (en) * | 2000-02-07 | 2001-08-09 | Jun Oyama | Contact shoe device for circuit breaker |
| CN2558060Y (en) * | 2002-04-19 | 2003-06-25 | 上海电器科学研究所 | Arc extinguisher for ac contactor |
| CN104078288A (en) * | 2014-07-18 | 2014-10-01 | 佳一电气有限公司 | Electromagnetic operating mechanism |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105448612A (en) * | 2015-12-30 | 2016-03-30 | 雷顿电气科技有限公司 | Control and protection switch |
| CN105470063A (en) * | 2015-12-30 | 2016-04-06 | 雷顿电气科技有限公司 | Control and protection switch |
| CN107591298A (en) * | 2016-07-08 | 2018-01-16 | 施耐德电器工业公司 | Module for the interconnection of the breaker and contactor of electric component |
| CN107591298B (en) * | 2016-07-08 | 2020-07-10 | 施耐德电器工业公司 | Module for the interconnection of a circuit breaker and a contactor of an electrical assembly |
| CN109888720A (en) * | 2019-02-28 | 2019-06-14 | 云南升华电梯有限公司 | A phase loss protection device |
| CN109888720B (en) * | 2019-02-28 | 2021-08-06 | 云南升华电梯有限公司 | A phase loss protection device |
| WO2021012540A1 (en) * | 2019-07-25 | 2021-01-28 | 迅达（中国）电梯有限公司 | Contact switch and elevator control circuit |
| CN113284773A (en) * | 2021-05-26 | 2021-08-20 | 上海电器科学研究所（集团）有限公司 | Switch with built-in current-limiting fuse |
| CN113284773B (en) * | 2021-05-26 | 2022-12-20 | 上海电器科学研究所（集团）有限公司 | Switch with built-in current-limiting fuse |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104835700B (en) | 2017-12-08 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |