CN2456301Y - Arcless communicating contactor - Google Patents

Arcless communicating contactor Download PDF

Info

Publication number
CN2456301Y
CN2456301Y CN 00266366 CN00266366U CN2456301Y CN 2456301 Y CN2456301 Y CN 2456301Y CN 00266366 CN00266366 CN 00266366 CN 00266366 U CN00266366 U CN 00266366U CN 2456301 Y CN2456301 Y CN 2456301Y
Authority
CN
China
Prior art keywords
contactor
circuit
ptc
arc
parallel
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.)
Expired - Lifetime
Application number
CN 00266366
Other languages
Chinese (zh)
Inventor
陆俭国
王晓宏
郭卉
张云峰
李志刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hebei University of Technology
Hebei Polytechnic University
Original Assignee
Hebei University of Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hebei University of Technology filed Critical Hebei University of Technology
Priority to CN 00266366 priority Critical patent/CN2456301Y/en
Application granted granted Critical
Publication of CN2456301Y publication Critical patent/CN2456301Y/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Landscapes

  • Relay Circuits (AREA)

Abstract

The utility model relates to an arcless breaking-off communication contactor. The utility model is characterized in that the arcless breaking-off communication contactor is composed of an alternating current contactor CJ which is connected with a circuit in a control box; the circuit of the control box comprises a current detection circuit, an SCM main control circuit, a communication interface, an executive circuit, an executive unit, a regulated power supply and a PTC control circuit; the PTC control circuit and the executive unit are respectively connected with a contact terminal of the contactor. Besides the functions of a traditional contactor are retained, the arcless breaking-off communication contactor also has the arcless breaking-off function, the both-way communication of a running parameter can be realized by using the arcless breaking-off communication contactor, and the arcless breaking-off communication contactor can accept a remote on-off command of a computer.

Description

The communication contactor but non-arc breaking breaks
The utility model belongs to a kind of electric equipment products, but the disconnected communication contactor of particularly a kind of non-arc breaking.
Along with development of modern industry, the raising of industrial control system level, to the demands for higher performance of contactor, developing multi-functional, high performance contactor has become developing direction.Owing to the updating of mechanical structure, improve and the application gradually of new material, reached the mechanical endurance of A.C. contactor 1000 to 1,500 ten thousand times.The electric life that solves probe of contactor has been the key that improves the A.C. contactor bulk life time.Produce electric arc when electrical wear that the secondary spring that collision caused when the several main factors that influences the contact electric life was contact material, adhesive produces and disjunction to scaling loss of contact or the like.At present, domestic and international many manufacturers are all taking the whole bag of tricks to improve the contact electric life.For example, select more are-tight material for use, improve arc-extinguish chamber, adopt electronic circuit to realize inhaling counter-force best fit minimizing contact secondary spring in attracting process or the like, but these measures are all failed to solve effectively root problem and are promptly failed to solve the electric arc that produces when contact the disconnects scaling loss to contact on the one hand, thereby can not increase substantially electric life, do not have bidirectional communication function on the other hand, can not satisfy pressing for of current industrial field bus system development.
The purpose of this utility model is to overcome weak point of the prior art and the burning problems of a kind of electric arc that produces can solve contact and disconnect the time to contact is provided, but and has a disconnected communication contactor of non-arc breaking of bidirectional communication function.
Technical solution of the present utility model is as follows:
But the structure of the disconnected communication contactor of non-arc breaking is, but the disconnected communication contactor of non-arc breaking is to be formed by connecting by the circuit in A.C. contactor CJ and the control cabinet (1).Time-delay is housed on the front plate of control cabinet (1) regulates band switch (2), communication interface socket (3), working station indicator (4) and control binding post (5) are housed on the side panel.A.C. contactor CJ is made up of contactor shell (6) and contactor arc-extinguish chamber (7), the binding post (9) of magnetizing coil terminal (8) and bridge-type double break point main contact is housed on the contactor shell, in the contactor arc-extinguish chamber arc control device are arranged, the grid sheet that subdividing the arc is arranged in the arc control device has the spray arc hole (10) of arc control device on the arc-extinguish chamber.The annexation of the interior circuit of A.C. contactor CJ and control cabinet (1) is contactor major loop L 1, L 2, L 3On be coupled current transformer CT 1, CT 2, CT 3The output of current transformer connects the input of current detection circuit ITC respectively, the output termination of ITC is by A/D converter, the input of the single-chip microcomputer governor circuit MC that multicircuit switch and single-chip microcomputer are formed, MC connects communication interface DCP and on-off control circuit KC, the input of the output termination executive circuit SC of MC, DCP is connected with fieldbus, the output of SC is connected with the input of PTC control circuit RM with performance element SD, the output of SD connects the coil terminals of CJ, the input termination master control electrical apparatus MK of KC, stabilized voltage power supply P connects the L1 of major loop respectively, zero line N, ITC and MC, the output of PTC control circuit RM connects the terminals of the contact of CJ respectively.
A kind of form of PTC control circuit RM is, RM comprises three identical single-phase PTC bang-bang circuits, wherein the annexation of a phase PTC bang-bang circuit is, two positive temperature coefficient resistor PTC are with in parallel with another relay tip J again after two relay tip J connect respectively, form a series-parallel circuit, one end of this circuit is connected in series an end that connects the phase contact of contactor CJ behind another positive temperature coefficient resistor PTC again, the other end of the phase contact of another termination contactor CJ of series-parallel circuit, the annexation of other two-phase is mutually identical with first.
The another kind of form of PTC control circuit RM is, RM comprises three identical single-phase PTC bang-bang circuits, wherein the annexation of a phase PTC bang-bang circuit is, positive temperature coefficient resistor PTC is with in parallel with another relay tip J again after relay tip J connects, circuit after the parallel connection another positive temperature coefficient resistor PTC that connects again forms a parallel series circuit, two identical parallel series circuits again the two ends after the parallel connection respectively with contactor CJ one mutually the two ends of contact connect.
Above-mentioned in PTC control circuit RM, can 2～10 relay tip J in parallel and positive temperature coefficient resistor PTC series connection after circuit, in parallel with another relay tip J again.
Above-mentioned in PTC control circuit RM, can there be 2～10 identical series-parallel circuits that connect into by positive temperature coefficient resistor PTC and relay tip J to be in parallel.
Above-mentioned PTC control circuit RM repeat circuit contact J also can adopt solid switch element K or the two to mix and use.
The utility model compared with prior art has following advantage:
But the disconnected communication contactor of non-arc breaking also has following characteristics except that the function that keeps traditional contactor:
1, the utility model adopts one chip microcomputer to detect control circuit, and when being implemented in prime minister's electric current near zero passage, the disjunction probe of contactor makes the contact electric current of at first disjunction as far as possible little.
2, adopt the PTC control circuit in the utility model, can realize that the non-arc breaking of probe of contactor is disconnected.
3, bang-bang circuit in parallel, interior solid switch element control circuit in parallel, loong shunt bang-bang circuit and loong shunt solid switch element control circuit in the utility model can adopt guarantee that circuit reliably disconnects.
4, the utility model is provided with communication interface, adopts mechanics of communication, realizes that contactor can carry out the both-way communication of operational factor with computer in the bus at the scene, and can accept the instruction of computer remote break-make.
The drawing of accompanying drawing is described as follows:
But Fig. 1 disconnected communication contactor construction schematic diagram that is the utility model non-arc breaking;
But Fig. 2 is the control cabinet and the A.C. contactor circuit connecting relation schematic diagram of the disconnected communication contactor of the utility model non-arc breaking;
Fig. 3 is a bang-bang circuit schematic diagram in parallel in the utility model PTC;
Fig. 4 is a solid switch element control circuit schematic diagram in parallel in the utility model PTC;
Fig. 5 is the utility model PTC loong shunt bang-bang circuit schematic diagram;
Fig. 6 is the utility model PTC loong shunt solid switch element control circuit schematic diagram.
Below in conjunction with accompanying drawing the utility model embodiment is described in further detail:
But Fig. 1 is the structural representation of the disconnected communication contactor of 250A non-arc breaking, but the disconnected communication contactor of non-arc breaking is to be connected A.C. contactor CJ formation by containing the control cabinet (1) of single-chip microcomputer with the PTC element.Time-delay is housed on the front plate of control cabinet (1) regulates band switch (2), communication interface socket (3), working station indicator (4) and control binding post (5) are housed on the side panel, A.C. contactor CJ is made up of contactor shell (6) and contactor arc-extinguish chamber (7), the binding post (9) of magnetizing coil terminal (8) and bridge-type double break point main contact is housed on the contactor shell, six arc control device are arranged in the contactor arc-extinguish chamber, the grid sheet that several subdividing the arcs are arranged in the arc control device has the spray arc hole (10) of six arc control device on the arc-extinguish chamber.
Circuit in the control cabinet (1) and the annexation of A.C. contactor CJ as shown in Figure 2, contactor major loop L 1, L 2, L 3Be coupled current transformer CT 1, CT 2, CT 3, CT 1, CT 2, CT 3Output port receive 1,2,3,4,5,6 ends of current detection circuit ITC respectively, 8 ends of ITC and 2 ends of MC join, MC is made up of A/D converter, multicircuit switch and single-chip microcomputer, 5 ends of MC link to each other with 1 end of communication interface DCP, 2 ends of DCP link to each other with fieldbus IB, 1 end of MC is connected with 1 end of executive circuit SC, and 2 ends of executive circuit SC are connected with 2 ends of performance element SD, and 1 end of SD connects the coil terminals of contactor CJ.4 ends of MC link to each other with 2 ends of on-off control circuit KC, and 1 end of KC links to each other with master control electrical apparatus MK.1 end of stabilized voltage power supply P and 2 ends are connected the L1 and the zero line N of major loop respectively.3 ends of P link to each other with 7 ends of ITC and 3 ends of MC respectively with 4 ends.1,2,3,4,5,6 ends of custom-designed PTC control circuit RM connect 1,2,3,4,5,6 ends of CJ respectively, and 7 ends of RM link to each other with 3 ends of SC.
First kind of form of implementation of PTC control circuit RM as shown in Figure 3, RM comprises bang-bang circuit in parallel in three identical single-phase PTC, 1 among the figure, 2,3,4,5,6 ends are 1,2,3,4,5,6 ends of RM among Fig. 2.Be that example describes with bang-bang circuit in parallel in the phase PTC wherein below.Positive temperature coefficient resistor PTC 12, PTC 13With relay tip J 12, J 13Respectively the series connection after again with relay tip J 11Compose in parallel series-parallel circuit, the R of this circuit 11Termination positive temperature coefficient resistor PTC 11Left end, PTC 11Right-hand member map interlinking 2 in 1 end of CJ; The R of this circuit 122 ends of CJ among termination Fig. 2.The annexation of other two-phase is identical therewith.
Second kind of form of implementation of PTC control circuit RM as shown in Figure 4, RM comprises in three identical single-phase PTC Parallel Control circuit in the solid switch element in parallel, 1 among the figure, 2,3,4,5,6 ends are 1,2,3,4,5,6 ends of RM among Fig. 2.Be that example describes with solid switch element control circuit in parallel in the phase PTC wherein below.Positive temperature coefficient resistor PTC 42, PTC 43Respectively with solid switch element K 42, K 43After the series connection again with solid switch element K 41Compose in parallel series-parallel circuit, the R of this circuit 41Termination positive temperature coefficient resistor PTC 41Left end, PTC 41Right-hand member map interlinking 2 in 1 end of CJ; The R of this circuit 422 ends of CJ among termination Fig. 2.The annexation of other two-phase is identical therewith.
The third form of implementation of PTC control circuit RM as shown in Figure 5, RM comprises three identical single-phase PTC loong shunt bang-bang circuits, 1 among the figure, 2,3,4,5,6 ends are 1,2,3,4,5,6 ends of RM among Fig. 2.Be that example describes with a phase PTC loong shunt bang-bang circuit wherein below.Positive temperature coefficient resistor PTC 73With relay tip J 73Series connection back and relay tip J 71Parallel connection, and then with positive temperature coefficient resistor PTC 71Series connection forms a parallel series circuit; Positive temperature coefficient resistor PTC 74With relay tip J 74Series connection back and relay tip J 72Parallel connection, after the parallel connection again with positive temperature coefficient resistor PTC 72Series connection forms another parallel series circuit, and two parallel series circuits are the R after the parallel connection again 711 end of CJ among termination Fig. 2; R after the parallel connection again 722 ends of CJ among termination Fig. 2.The annexation of other two-phase is identical therewith.
The 4th kind of form of implementation of PTC control circuit RM as shown in Figure 6, RM comprises three identical single-phase PTC loong shunt solid switch element control circuits, 1 among the figure, 2,3,4,5,6 ends are 1,2,3,4,5,6 ends of RM among Fig. 2.Be that example describes with a phase PTC loong shunt solid switch element control circuit wherein below.Positive temperature coefficient resistor PTC 103With solid switch element K 103Series connection back and solid switch element K 101Parallel connection, and then with positive temperature coefficient resistor PTC 101Series connection forms a parallel series circuit; Positive temperature coefficient resistor PTC 104With solid switch element K 104Series connection back and solid switch element K 102Parallel connection, and then with positive temperature coefficient resistor PTC 102Series connection forms another parallel series circuit, and two parallel series circuits are the R after the parallel connection again 1011 end of CJ among termination Fig. 2; Contact R after the parallel connection again 1022 ends of CJ in the map interlinking 2.The annexation of other two-phase is identical therewith.
Operation principle is: when contactor was received the disjunction instruction, single-chip microcomputer governor circuit MC obtained sampled signal by current detection circuit ITC, judged control executive circuit SC and performance element SD disjunction main circuit near current zero-crossing point the time by analysis; Absorb the main circuit energy by PTC control circuit RM, realize that non-arc breaking is disconnected; Single-chip microcomputer is realized the two-way data communication of operational factor by communication interface DCP and industrial field bus IB.-

Claims (6)

1, the communication contactor but a kind of non-arc breaking breaks, be time-delay to be housed regulate band switch (2) on the front plate of control cabinet (1), communication interface socket (3) is housed on the side panel, working station indicator (4) and control binding post (5), A.C. contactor CJ is made up of contactor shell (6) and contactor arc-extinguish chamber (7), the binding post (9) of magnetizing coil terminal (8) and bridge-type double break point main contact is housed on the contactor shell, in the contactor arc-extinguish chamber arc control device are arranged, the grid sheet that subdividing the arc is arranged in the arc control device, have the spray arc hole (10) of arc control device on the arc-extinguish chamber, it is characterized in that: but the disconnected communication contactor of non-arc breaking is to be formed by connecting by the circuit in A.C. contactor CJ and the control cabinet (1), and its annexation is contactor major loop L 1, L 2, L 3On be coupled current transformer CT 1, CT 2, CT 3The output of current transformer connects the input of current detection circuit ITC respectively, the input of the single-chip microcomputer governor circuit MC that the output termination of ITC is made up of A/D converter, multicircuit switch and single-chip microcomputer, the output of MC is connected the input of communication interface DCP, executive circuit SC and on-off control circuit KC, the output of DCP is connected with fieldbus, the output of SC is connected with the input of PTC control circuit RM with performance element SD, the output of SD connects the coil terminals of CJ, the output termination master control electrical apparatus MK of KC, stabilized voltage power supply P connects the L of major loop respectively 1, zero line N, ITC and MC, the output of PTC control circuit RM connects the terminals of the contact of CJ respectively.
2, but according to the disconnected communication contactor of the said non-arc breaking of claim 1, it is characterized in that: a kind of form of PTC control circuit RM is, RM comprises three identical single-phase PTC bang-bang circuits, wherein the annexation of a phase PTC bang-bang circuit is, two positive temperature coefficient resistor PTC are with in parallel with another relay tip J again after two relay tip J connect respectively, form a series-parallel circuit, one end of this circuit is connected in series an end that connects the phase contact of contactor CJ behind another positive temperature coefficient resistor PTC again, the other end of the phase contact of another termination contactor CJ of series-parallel circuit, the annexation of other two-phase is mutually identical with first.
3, but according to the disconnected communication contactor of the said non-arc breaking of claim 1, it is characterized in that: a kind of form of PTC control circuit RM is, RM comprises three identical single-phase PTC bang-bang circuits, wherein the annexation of a phase PTC bang-bang circuit is, positive temperature coefficient resistor PTC is with in parallel with another relay tip J again after relay tip J connects, circuit after the parallel connection another positive temperature coefficient resistor PTC that connects again forms a parallel series circuit, two identical parallel series circuits again the two ends after the parallel connection respectively with contactor CJ one mutually the two ends of contact connect.
But 4,, it is characterized in that according to the disconnected communication contactor of the said non-arc breaking of claim 2: in PTC control circuit RM, can 2～10 relay tip J in parallel and positive temperature coefficient resistor PTC series connection after circuit, in parallel with another relay tip J again.
But 5,, it is characterized in that: in PTC control circuit RM, can have 2～10 identical series-parallel circuits that connect into by positive temperature coefficient resistor PTC and relay tip J to be in parallel according to the disconnected communication contactor of the said non-arc breaking of claim 3.
But 6, according to the disconnected communication contactor of the said non-arc breaking of claim 2 to 5, it is characterized in that: PTC control circuit RM repeat circuit contact J also can adopt solid switch element K or the two to mix and use.
CN 00266366 2000-12-28 2000-12-28 Arcless communicating contactor Expired - Lifetime CN2456301Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 00266366 CN2456301Y (en) 2000-12-28 2000-12-28 Arcless communicating contactor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 00266366 CN2456301Y (en) 2000-12-28 2000-12-28 Arcless communicating contactor

Publications (1)

Publication Number Publication Date
CN2456301Y true CN2456301Y (en) 2001-10-24

Family

ID=33620463

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 00266366 Expired - Lifetime CN2456301Y (en) 2000-12-28 2000-12-28 Arcless communicating contactor

Country Status (1)

Country Link
CN (1) CN2456301Y (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101151910B (en) * 2005-12-29 2010-12-08 3M创新有限公司 A telecommunications module and an assembly including at least one telecommunications module
CN103558777A (en) * 2013-10-29 2014-02-05 郭辉 Coal mine power supply control device capable of being stopped when not used
CN106571686A (en) * 2015-10-13 2017-04-19 施耐德电气美国股份有限公司 Communicating circuit breaker structure with automatic load center position identification

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101151910B (en) * 2005-12-29 2010-12-08 3M创新有限公司 A telecommunications module and an assembly including at least one telecommunications module
CN103558777A (en) * 2013-10-29 2014-02-05 郭辉 Coal mine power supply control device capable of being stopped when not used
CN103558777B (en) * 2013-10-29 2016-06-08 郭辉 Namely the non-use in colliery have a power failure source control device
CN106571686A (en) * 2015-10-13 2017-04-19 施耐德电气美国股份有限公司 Communicating circuit breaker structure with automatic load center position identification
CN106571686B (en) * 2015-10-13 2021-07-20 施耐德电气美国股份有限公司 Communication circuit breaker structure with automatic load center position identification

Similar Documents

Publication Publication Date Title
CN102072997A (en) Spare automatic switching logic test method for checking main transformer mutual switching mode
CN202888081U (en) AC contactor intelligent control apparatus with energy saving effect
CN219576637U (en) Multi-protection control system for urban rail distribution box and distribution box
CN2938529Y (en) Automatic change-over switch electrical equipment with overcurrent, short-circuit detection function
CN105470930A (en) Radar intelligent power distribution system
CN2456301Y (en) Arcless communicating contactor
CN2626098Y (en) An Intelligent box type transformer substation
CN205141820U (en) Exchange incessant system monitoring device
CN208506206U (en) A kind of test device of circuit-breaker switching on-off time
CN202997699U (en) Intelligent breaker controller
CN113640734A (en) Current automatic switching device and high-voltage electric energy metering equipment inspection device
CN208819818U (en) Miniature circuit breaker
CN206698020U (en) A kind of tele-control system of breaker
CN2166514Y (en) Non-arc discharging apparatus for AC contactor
CN212258819U (en) Remote control motor soft start cabinet system based on Internet of things
CN213520731U (en) Intelligent power distribution cabinet control system
CN2197744Y (en) Remote electrically controlling and frequently operating breaker
CN217822576U (en) Novel 0 current breaking relay circuit
CN218633339U (en) High-voltage direct current switching device
CN215267766U (en) Dual-redundancy power supply circuit
CN2645337Y (en) Power supply converter
CN1359122A (en) Circuit for eliminating spark in relay contact
CN215813141U (en) Line concentration and selection integrated tester for high-voltage circuit breaker
CN221282893U (en) Magnetic control switch emergency circuit breaker device
CN221150968U (en) Harmonic wave resisting sub-compensation capacitor device and power supply grid system

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CX01 Expiry of patent term

Expiration termination date: 20101228

Granted publication date: 20011024