CN102668003A - Direct current contactor - Google Patents
Direct current contactor Download PDFInfo
- Publication number
- CN102668003A CN102668003A CN2011800002887A CN201180000288A CN102668003A CN 102668003 A CN102668003 A CN 102668003A CN 2011800002887 A CN2011800002887 A CN 2011800002887A CN 201180000288 A CN201180000288 A CN 201180000288A CN 102668003 A CN102668003 A CN 102668003A
- Authority
- CN
- China
- Prior art keywords
- static contact
- contact
- contactor
- moving contact
- detection terminal
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
- H01H1/36—Contacts characterised by the manner in which co-operating contacts engage by sliding
- H01H1/365—Bridging contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/0015—Means for testing or for inspecting contacts, e.g. wear indicator
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
- H01H11/0062—Testing or measuring non-electrical properties of switches, e.g. contact velocity
Abstract
A direct current contactor includes a first stationary contact (20), a second stationary contact (21), a movable contact (22) and at least two testing terminals (23). Said first stationary contact and said second stationary contact are connected in the main loop of a circuit. Said movable contact is provided between said first stationary contact and said second stationary contact to connect or disconnect the main loop in which said first stationary contact and said second stationary contact are. Said testing terminals are provided in the main loop in which said first stationary contact and said second stationary contact are, and a current testing circuit is formed by the combination of said testing terminals and said movable contact. The integration of a power system is improved effectively by the direct current contactor.
Description
A kind of D.C. contactor technical field
The present embodiments relate to the communications field, more particularly to a kind of D.C. contactor.
Background technology
With the development of power automation technology, miniaturization and cost degradation turn into the development trend of current power-supply system.
D.C. contactor and current divider are the devices for applying more in current power-supply system, Fig. 1 show the top view of the common connected mode of D.C. contactor and current divider in the power supply system, as seen from the figure, D.C. contactor 11 is connected by a connection conductor 12 with current divider 13, signal connecting terminal 14 on D.C. contactor is used to be connected with external control circuit, play a part of disjunction in the presence of control signal or connect major loop, simultaneously, when D.C. contactor connects major loop, main circuit current flows through current divider, foreign current detection device by connect the connection terminal 15 on the current divider just it is measurable go out flow through the D.C. contactor main circuit current size.
Although D.C. contactor can realize detection and disjunction to main circuit current simultaneously with the mating connection of current divider, connect the function of major loop, but as seen from Figure 1, both need to occupy more physical space, and multigroup module as shown in Figure 1 is usually contained in a power-supply system, this necessarily causes the space that whole power-supply system takes to become huge, so as to be unfavorable for the development of power-supply system miniaturization.
The content of the invention
The embodiments of the invention provide a kind of D.C. contactor, the integrated level for improving power-supply system.D.C. contactor provided in an embodiment of the present invention includes：
First static contact, the second static contact is moved and touched and at least two detection terminal；Wherein, the first static contact and the second static contact are connected in the major loop of a circuit；
Wherein, moving contact is arranged between the first static contact and the second static contact, to the major loop where electrical communication or the first static contact of disconnection and the second static contact；
Wherein, detection terminal（23) it is arranged in the major loop where the first static contact and the second static contact, and combines moving contact and constitutes a current measurement circuit.
As can be seen from the above technical solutions, the embodiment of the present invention has advantages below：
In the embodiment of the present invention, the embodiment of the present invention by being improved to moving contact and/or static contact,
It is provided for detecting the detection terminal for the electric current for flowing through moving contact on moving contact and/or static contact, so that external detection equipment can go out flow through the electric current of the moving contact by connecting detection terminal test, so as to save the current divider being independently connected in circuit with D.C. contactor, the integrated level of system is improved, the development for being conducive to power supply to minimize.
Brief description of the drawings
Fig. 1 is the common connected mode schematic diagram of D.C. contactor and current divider in the power supply system in the embodiment of the present invention；
Fig. 2 be the embodiment of the present invention in D.C. contactor a kind of structure top view；
Fig. 3 be the embodiment of the present invention in D.C. contactor another structure top view；
Fig. 4 be the embodiment of the present invention in D.C. contactor yet another construction top view；
Fig. 5 be the embodiment of the present invention in D.C. contactor yet another construction top view；
Fig. 6 be the embodiment of the present invention in D.C. contactor structural side view.
Embodiment
The embodiments of the invention provide a kind of D.C. contactor.
To enable goal of the invention, feature, the advantage of the present invention more obvious and understandable, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only a part of embodiment of the invention, and not all embodiments.
A kind of D.C. contactor in the embodiment of the present invention is described below, the D.C. contactor in the embodiment of the present invention includes：
First static contact, the second static contact, moving contact and at least two detection terminal.
Can be as shown in Figure 2, first static contact 20 and the second static contact 21 are connected in the major loop of a circuit, and, moving contact 22 is arranged between the first static contact 20 and the second static contact 21, to the major loop where electrical communication or the first static contact 20 of disconnection and the second static contact 21.
Detection terminal is arranged in the major loop where the first static contact and the second static contact, and is combined moving contact and constituted a current measurement circuit, and the electric current of above-mentioned moving contact is flowed through for detecting.Specifically, as shown in Fig. 2 the electric current that detection terminal 23 may be disposed at moving contact 22 flows into end and electric current outflow end；Or, detection terminal may also be arranged on moving contact and any static contact, as shown in Figure 3, detection terminal 33 is separately positioned on moving contact 32 on one end of the second static contact 30 and the first static contact 31, also can be as shown in figure 4, detection terminal 43 be separately positioned on moving contact 42 adjacent to one end of the first static contact 40 and the second static contact 41
On；Or, detection terminal can be also arranged on the first static contact and the second static contact, as shown in figure 5, being provided for detecting the detection terminal 53 for the electric current for flowing through moving contact 52 on the first static contact 50 and the second static contact 51 respectively.Certainly, the other positions that detection terminal also may be disposed in the major loop where the first static contact and the second static contact, to be constituted a current measurement circuit with reference to moving contact, are not construed as limiting herein.
In actual applications, foreign current detection device can realize the detection of the electric current to flowing through above-mentioned moving contact by connecting above-mentioned detection terminal, the electric current of moving contact is flowed through to make foreign current detection device more accurately to measure, above-mentioned moving contact can be substituted by current divider, it can be made of precision resistance material, it can such as be made up, be not construed as limiting herein of copper-manganese, manganin manganin alloy or brass material.
In practical application scene, as shown in Fig. 2 the signal access terminal 24 that external control circuit can be connected on D.C. contactor, when D.C. contactor receives control signal, its Inside coil（Not shown in figure）It is powered and produces magnetic field, magnetic force drives moving contact 22 to move, it is connected the major loop where the first static contact 20 and the second static contact 21（Normally opened contact）, electric current flows through moving contact 22, and foreign current detection device can flow through the electric current of moving contact 22 by connecting the detection terminal 23 that be arranged on moving contact 22 and measuring.
In practical application scene, moving contact is alternatively normally-closed contact, i.e. before D.C. contactor receives control signal, it connects the major loop where the first static contact and the second static contact, then now, foreign current detection device can flow through the electric current of moving contact by connecting above-mentioned detection terminal and measuring, when D.C. contactor receives control signal, its Inside coil（Not shown in figure）It is powered and produces magnetic field, magnetic force drives moving contact movement, it is disconnected the major loop where the first static contact and the second static contact, so that the loop where D.C. contactor disconnects.
It is appreciated that, in actual applications, above-mentioned detection terminal can direct be exposed to D.C. contactor outer surface, in order to which foreign current detection device is preferably attached with detection terminal, certainly, above-mentioned detection terminal can be also respectively led on D.C. contactor shell body by inner conductive cable or other conductors（Some copper posts can be such as set on the shell body of D.C. contactor, detection terminal is led in the copper post）, it is not construed as limiting herein.
The side view of D.C. contactor provided in an embodiment of the present invention is illustrated in figure 6, foreign current detection device can be measured by connecting detection terminal 60 (or having the outside terminal 60 of annexation with detection terminal) to the electric current for flowing through the moving contact.
It should be noted that the D.C. contactor in the embodiment of the present invention can be applied to various power-supply systems or
It is other to be applied in the system of D.C. contactor and current divider, it is not construed as limiting herein.
It should be noted that it is appreciated that the shape and structure of each part shown in the present embodiment be only for ease of draw, should not be understood as unique restriction to each component shape structure.Based on the description in above method embodiment to the functional characteristic of each part, the shape and structure of its each part can change, no longer be described in detail one by one herein.
In the embodiment of the present invention, the embodiment of the present invention to moving contact and/or static contact by being improved, it is provided for detecting the detection terminal for the electric current for flowing through moving contact on moving contact and/or static contact, so that external detection equipment can go out flow through the electric current of the moving contact by connecting detection terminal test, so as to save the current divider being independently connected in circuit with D.C. contactor, the integrated level of system is improved, the development for being conducive to power supply to minimize.
D.C. contactor provided by the present invention is described in detail above, for those of ordinary skill in the art, according to the thought of the embodiment of the present invention, it will change in specific embodiments and applications, to sum up, this specification content should not be construed as limiting the invention.
Claims (5)
- Claim1st, a kind of D.C. contactor, it is characterised in that including：First static contact（20), the second static contact（21), moving contact（And at least two detection terminal 22)（23 );First static contact and second static contact are connected in the major loop of a circuit；The moving contact is arranged between first static contact and second static contact, to the major loop where electrical communication or disconnection first static contact and second static contact；The detection terminal（23) it is arranged in the major loop where first static contact and second static contact, and a current measurement circuit is constituted with reference to the moving contact.2nd, D.C. contactor according to claim 1, it is characterised in thatThe detection terminal（23) it is arranged on：The electric current of the moving contact flows into end and electric current outflow end, or, the moving contact is on one end of the second static contact and first static contact, or, the moving contact is on one end of the first static contact and second static contact, or, on first static contact and second static contact.3rd, the D.C. contactor described in claim 1 or 2, it is characterised in thatThe moving contact（22) it is made up of precision resistance material.4th, the D.C. contactor described in claim 3, it is characterised in thatThe moving contact（22) it is made up of copper-manganese, manganin manganin alloy or brass.5th, D.C. contactor as claimed in claim 1 or 2, it is characterised in thatThe moving contact（22) it is a current divider.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2011/073166 WO2011110120A2 (en) | 2011-04-22 | 2011-04-22 | Direct current contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102668003A true CN102668003A (en) | 2012-09-12 |
Family
ID=44563902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011800002887A Pending CN102668003A (en) | 2011-04-22 | 2011-04-22 | Direct current contactor |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102668003A (en) |
| WO (1) | WO2011110120A2 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4618906A (en) * | 1984-07-16 | 1986-10-21 | Westinghouse Electric Corp. | Hybrid solid state/mechanical switch with failure protection |
| CN1514452A (en) * | 2003-05-24 | 2004-07-21 | 黄维枢 | Isolation type current mutual inductor |
| CN1830599A (en) * | 2006-04-07 | 2006-09-13 | 桂林金格电工电子材料科技有限公司 | Silver composite tin oxide contact material and its preparation technology |
| JP2006294540A (en) * | 2005-04-14 | 2006-10-26 | Matsushita Electric Ind Co Ltd | Electromagnetic contactor |
| CN201386894Y (en) * | 2009-04-15 | 2010-01-20 | 西安陕鼓动力股份有限公司 | Startup circuit for emergency DC oil pump in lubricant station |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201113500Y (en) * | 2007-07-31 | 2008-09-10 | 比亚迪股份有限公司 | Electric power device |
| JP2010114053A (en) * | 2008-11-04 | 2010-05-20 | Ikeda Yoshihisa | Contactor with insulation resistance measuring contact and terminal |
| CN201662587U (en) * | 2010-03-10 | 2010-12-01 | 中兴通讯股份有限公司 | Connecting structure of current detection circuit |
-
2011
- 2011-04-22 WO PCT/CN2011/073166 patent/WO2011110120A2/en active Application Filing
- 2011-04-22 CN CN2011800002887A patent/CN102668003A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4618906A (en) * | 1984-07-16 | 1986-10-21 | Westinghouse Electric Corp. | Hybrid solid state/mechanical switch with failure protection |
| CN1514452A (en) * | 2003-05-24 | 2004-07-21 | 黄维枢 | Isolation type current mutual inductor |
| JP2006294540A (en) * | 2005-04-14 | 2006-10-26 | Matsushita Electric Ind Co Ltd | Electromagnetic contactor |
| CN1830599A (en) * | 2006-04-07 | 2006-09-13 | 桂林金格电工电子材料科技有限公司 | Silver composite tin oxide contact material and its preparation technology |
| CN201386894Y (en) * | 2009-04-15 | 2010-01-20 | 西安陕鼓动力股份有限公司 | Startup circuit for emergency DC oil pump in lubricant station |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011110120A2 (en) | 2011-09-15 |
| WO2011110120A3 (en) | 2011-11-03 |
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| PB01 | Publication | ||
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Application publication date: 20120912 |