CN201994244U - Contactor - Google Patents
Contactor Download PDFInfo
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- CN201994244U CN201994244U CN2011200961015U CN201120096101U CN201994244U CN 201994244 U CN201994244 U CN 201994244U CN 2011200961015 U CN2011200961015 U CN 2011200961015U CN 201120096101 U CN201120096101 U CN 201120096101U CN 201994244 U CN201994244 U CN 201994244U
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- phase sequence
- contactor
- acquisition module
- contact
- main contact
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Abstract
The utility model discloses a contactor. The contactor comprises a casing, an AC power supply control switch, a coil, a main contact and an auxiliary contact, an AC power supply wiring terminal and an electrical parameter detecting unit, wherein the AC power supply control switch, the coil, the main contact and the auxiliary contact are arranged in the casing; the AC power supply wiring terminal and the electrical parameter detecting unit are arranged outside the casing; one end of the coil is connected with the casing, and the other end is sequentially connected with the main contact and the auxiliary contact; and the electrical parameter detecting unit is respectively connected with the AC power supply control switch and the auxiliary contact. The contactor provided by the utility model can overcome the shortcomings in the prior art, such as simplex function, large application volume, high application cost, poor application reliability and poor application stability, and has the advantages of rich functions, compact structure, low cost, high reliability and high stability.
Description
Technical field
The utility model relates to power consumption equipment, particularly, relates to a kind of contactor.
Background technology
Contactor (Contactor) is meant that utilizing coil to flow through electric current in the industrial electro produces magnetic field, makes contact closure, to reach the electrical equipment of control load.Contactor is made up of electromagnetic system (being made of iron core, fixed core and solenoid), contact system (comprising normally open contact and normally closed interlock) and arc-control device.The operation principle of contactor is, after the solenoid energising of contactor, can produce very strong magnetic field, and make fixed core produce electromagnetic attraction and attract armature, and drive the contact action: normally closed interlock disconnects, the normally open contact closure, and both link; When coil blackout, electromagnetic attraction disappears, and armature discharges under the effect of retracting spring, and contact is restored: the normally closed interlock closure, normally open contact disconnects.
The control capacity of contactor is big, is applicable to frequent operation and far distance controlled, all is widely used in all trades and professions.For example; on electrotechnics; because but fast shut-off exchanges with the direct current major loop and can connect device with big Current Control (some electric current can reach 800A) circuit continually; so often apply to motor as controlling object; also can be used as electrical loads such as control shop equipment, electric heater, machine-tool and various kinds electric power unit; circuit can not only be connected and cut off to contactor, but also have the effect of low-voltage release guard.And for example, in industrial electric, the model of contactor is a lot, and electric current does not wait at 5A-1000A, and its use is quite extensive.
But above-mentioned contactor only can be realized on-off function; And, not only to use the on-off function of contactor in many important electricity consumption places, go back information such as GPRS electric current, voltage, frequency, power factor, electric energy and phase sequence simultaneously.In the prior art,, can dispose corresponding electrical quantity collection and supervisory control system to contactor in order to realize these functions, like this, the line construction complexity, it is big to take volume, poor reliability, cost height simultaneously.
In sum, in realizing process of the present utility model, the inventor finds to exist at least in the prior art following defective:
⑴ function singleness: contactor of the prior art only can be realized on-off function;
⑵ it is big that use volume: use inconvenient: need to be grasped the electricity consumption place of information such as electric current, voltage, frequency, power factor, electric energy and phase sequence at some, need dispose corresponding electrical quantity collection and supervisory control system to contactor, the volume that takies is big;
⑶ application cost height: to contactor configuration electrical quantity collection and supervisory control system, hardware cost is higher;
⑷ application reliability is poor: to contactor configuration electrical quantity collection and supervisory control system, reliability can not get ensureing;
⑸ use poor stability: to contactor configuration electrical quantity collection and supervisory control system, stability also can not get ensureing.
Summary of the invention
The purpose of this utility model is, at the problems referred to above, proposes a kind of contactor, with the advantage that realizes feature richness, compact conformation, cost is low, reliability is high and stability is high.
For achieving the above object, the technical solution adopted in the utility model is: a kind of contactor, comprise shell, be arranged on AC power control switch, coil, main contact and the auxiliary contact of described enclosure, and ac power supply terminal and electrical parameters detection unit that are arranged on described housing exterior; Wherein, an end of described coil is connected with shell, and the other end is connected with main contact and auxiliary contact successively; Described electrical parameters detection unit is connected with AC power control switch and auxiliary contact respectively.
Further, described electrical parameters detection unit comprises voltage and/or current signal acquisition module, main contact folding condition acquisition module, phase sequence acquisition module, A/D modular converter, microcontroller MCU, communication module and phase sequence output module, wherein: described AC power control switch is connected with the input of voltage and/or current signal acquisition module and the input of phase sequence acquisition module respectively; Described auxiliary contact is connected with the input of main contact folding condition acquisition module away from an end of main contact; The output of described phase sequence acquisition module, the output of voltage and/or current signal acquisition module, and the output of main contact folding condition acquisition module are connected with the A/D modular converter respectively; Described A/D modular converter, communication module and phase sequence output module are connected with microcontroller MCU respectively.
Further, on described phase sequence output module, be provided with the phase sequence output port.
Further, on described communication module, be provided with RS2332 and RS485 PORT COM based on MODBUS communication protocol.
Further, described main contact is a positive phase sequence control contact.
Further, described auxiliary contact is negative phase sequence auxiliary contact SW-SPST.
The contactor of each embodiment of the utility model owing to comprise shell, is arranged on AC power control switch, coil, main contact and the auxiliary contact of enclosure, and ac power supply terminal and electrical parameters detection unit that are arranged on housing exterior; Wherein, an end of coil is connected with shell, and the other end is connected with main contact and auxiliary contact successively; The electrical parameters detection unit is connected with AC power control switch and auxiliary contact respectively; Electrical parameters detection unit by the external cabling simplification, can gather current signal and voltage signal in real time, by A/D conversion back input microcontroller, after microcontroller is handled, can can also require the work phase sequence of output contactor according to phase sequence by MODBUS communication protocol with testing results such as RS232/RS485 output current value, magnitude of voltage, active energy, frequency, power factor and phase sequences; Thereby can overcome function singleness in the prior art, use that volume is big, application cost is high, application reliability difference and the defective of using poor stability, with realize feature richness, compact conformation, cost is low, reliability the is high advantage high with stability.
Other features and advantages of the utility model will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the utility model.The purpose of this utility model and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Accompanying drawing is used to provide further understanding of the present utility model, and constitutes the part of specification, is used from explanation the utility model with embodiment one of the present utility model, does not constitute restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the operation principle schematic diagram according to the utility model contactor.
In conjunction with the accompanying drawings, Reference numeral is as follows among the utility model embodiment:
The 1-shell; The 2-coil; 3-electrical parameters detection unit; 301-voltage and/or current signal acquisition module; 302-main contact folding condition acquisition module; 303-phase sequence acquisition module; The 304-A/D modular converter; The 305-communication module; 306-microcontroller (MCU); 307-phase sequence output module; The 4-main contact; The 5-auxiliary contact.
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the utility model, and be not used in qualification the utility model.
According to the utility model embodiment, provide a kind of contactor.As shown in Figure 1, present embodiment comprises shell 1, is arranged on AC power control switch, coil 2, the main contact 4 and auxiliary contact 5 of shell 1 inside, and ac power supply terminal and electrical parameters detection unit 3 that are arranged on shell 1 outside; Wherein, an end of coil 2 is connected with shell 1, and the other end is connected with main contact 4 and auxiliary contact 5 successively; Electrical parameters detection unit 3 is connected with AC power control switch and auxiliary contact 5 respectively.
Here, main contact 4 is positive phase sequence control contact, and auxiliary contact 5 is negative phase sequence auxiliary contact 5SW-SPST.
Further, in the above-described embodiments, electrical parameters detection unit 3 comprises voltage and/or current signal acquisition module 301, main contact 4 folding condition acquisition modules 302, phase sequence acquisition module 303, A/D modular converter 304, microcontroller 306MCU, communication module 305 and phase sequence output module 307, wherein: the AC power control switch is connected with the input of voltage and/or current signal acquisition module 301 and the input of phase sequence acquisition module 303 respectively; Auxiliary contact 5 is connected with the input of main contact 4 folding condition acquisition modules 302 away from an end of main contact 4; The output of phase sequence acquisition module 303, the output of voltage and/or current signal acquisition module 301, and the output of main contact 4 folding condition acquisition modules 302 are connected with A/D modular converter 304 respectively; A/D modular converter 304, communication module 305 and phase sequence output module 307 are connected with microcontroller 306MCU respectively.
Here, on phase sequence output module 307, be provided with the phase sequence output port; On communication module 305, be provided with RS2332 and RS485 PORT COM based on MODBUS communication protocol.
In the above-described embodiments,, electric parameter measurement and phase sequence detection can be integrated in one, the external cabling of contactor is simplified by electrical parameters detection unit 3, the convenient use, and volume is little, cost is low, helps improving the reliability and stability of contactor work.
In sum, the contactor of each embodiment of the utility model, owing to comprise shell, be arranged on AC power control switch, coil, main contact and the auxiliary contact of enclosure, and ac power supply terminal and electrical parameters detection unit that are arranged on housing exterior; Wherein, an end of coil is connected with shell, and the other end is connected with main contact and auxiliary contact successively; The electrical parameters detection unit is connected with AC power control switch and auxiliary contact respectively; Electrical parameters detection unit by the external cabling simplification, can gather current signal and voltage signal in real time, by A/D conversion back input microcontroller, after microcontroller is handled, can can also require the work phase sequence of output contactor according to phase sequence by MODBUS communication protocol with testing results such as RS232/RS485 output current value, magnitude of voltage, active energy, frequency, power factor and phase sequences; Thereby can overcome function singleness in the prior art, use that volume is big, application cost is high, application reliability difference and the defective of using poor stability, with realize feature richness, compact conformation, cost is low, reliability the is high advantage high with stability.
It should be noted that at last: the above only is preferred embodiment of the present utility model, be not limited to the utility model, although the utility model is had been described in detail with reference to previous embodiment, for a person skilled in the art, it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (6)
1. a contactor is characterized in that, comprises shell, is arranged on AC power control switch, coil, main contact and the auxiliary contact of described enclosure, and ac power supply terminal and electrical parameters detection unit that are arranged on described housing exterior; Wherein, an end of described coil is connected with shell, and the other end is connected with main contact and auxiliary contact successively; Described electrical parameters detection unit is connected with AC power control switch and auxiliary contact respectively.
2. contactor according to claim 1, it is characterized in that, described electrical parameters detection unit comprises voltage and/or current signal acquisition module, main contact folding condition acquisition module, phase sequence acquisition module, A/D modular converter, microcontroller MCU, communication module and phase sequence output module, wherein:
Described AC power control switch is connected with the input of voltage and/or current signal acquisition module and the input of phase sequence acquisition module respectively;
Described auxiliary contact is connected with the input of main contact folding condition acquisition module away from an end of main contact;
The output of described phase sequence acquisition module, the output of voltage and/or current signal acquisition module, and the output of main contact folding condition acquisition module are connected with the A/D modular converter respectively;
Described A/D modular converter, communication module and phase sequence output module are connected with microcontroller MCU respectively.
3. contactor according to claim 2 is characterized in that, on described phase sequence output module, is provided with the phase sequence output port.
4. contactor according to claim 2 is characterized in that, on described communication module, is provided with RS2332 and RS485 PORT COM based on MODBUS communication protocol.
5. according to each described contactor among the claim 1-4, it is characterized in that described main contact is a positive phase sequence control contact.
6. according to each described contactor among the claim 1-4, it is characterized in that described auxiliary contact is negative phase sequence auxiliary contact SW-SPST.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200961015U CN201994244U (en) | 2011-04-02 | 2011-04-02 | Contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200961015U CN201994244U (en) | 2011-04-02 | 2011-04-02 | Contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201994244U true CN201994244U (en) | 2011-09-28 |
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ID=44670724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200961015U Expired - Fee Related CN201994244U (en) | 2011-04-02 | 2011-04-02 | Contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201994244U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105632840A (en) * | 2016-01-07 | 2016-06-01 | 温州大学 | Switch-off phase control based intelligent alternating current contactor and operating method therefor |
-
2011
- 2011-04-02 CN CN2011200961015U patent/CN201994244U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105632840A (en) * | 2016-01-07 | 2016-06-01 | 温州大学 | Switch-off phase control based intelligent alternating current contactor and operating method therefor |
| CN105632840B (en) * | 2016-01-07 | 2018-07-24 | 温州大学 | A kind of intelligent AC contactor and its operating method based on disjunction phase controlling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: LANZHOU HAIHONG TECHNOLOGY CO., LTD. Free format text: FORMER NAME: LANZHOU HAIHONG COMMUNICATION EQUIPMENT CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 730000 Gansu Province Chengguan District of Lanzhou City Road No. 18 Yan Patentee after: Lanzhou Haihong Technology Co., Ltd. Address before: 730000, Gansu Province, Lanzhou city high tech Development Zone, South Beach, 268 Innovation Park research building, 2 floor Patentee before: Lanzhou Haihong Communication Equipment Co., Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An installation device of the contactor Effective date of registration: 20150714 Granted publication date: 20110928 Pledgee: China bank Limited by Share Ltd Lanzhou Jinlun Plaza Branch Pledgor: Lanzhou Haihong Technology Co., Ltd. Registration number: 2015620000010 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20170306 Granted publication date: 20110928 Pledgee: China bank Limited by Share Ltd Lanzhou Jinlun Plaza Branch Pledgor: Lanzhou Haihong Technology Co., Ltd. Registration number: 2015620000010 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CP02 | Change in the address of a patent holder |
Address after: 730000 788 Pengjiaping West Road, Qilihe District, Lanzhou City, Gansu Province Patentee after: Lanzhou Haihong Technology Co., Ltd. Address before: 730000 No. 18 Yannan Road, Chengguan District, Lanzhou City, Gansu Province Patentee before: Lanzhou Haihong Technology Co., Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110928 Termination date: 20190402 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |