CN203631429U - Mute energy-saving low-voltage contactor - Google Patents
Mute energy-saving low-voltage contactor Download PDFInfo
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- CN203631429U CN203631429U CN201320754472.7U CN201320754472U CN203631429U CN 203631429 U CN203631429 U CN 203631429U CN 201320754472 U CN201320754472 U CN 201320754472U CN 203631429 U CN203631429 U CN 203631429U
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- contactor
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- moving contact
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Abstract
The utility model discloses a mute energy-saving low-voltage contactor, which comprises a shell body, wherein the shell body is internally provided with a static contact and a moving contact which can be in contact with the static contact, the moving contact is connected with a transmission device, the transmission device is driven by a motor, and the motor is connected with a controller controlling the motor; and the static contact is provided with a groove, and the moving contact is provided with a projection matched with the groove. In the implementation of the mute energy-saving low-voltage contactor, when compared with the prior art, the mute energy-saving low-voltage contactor has the beneficial effects that the moving contact is driven by using the motor and a mechanical driving device, so that the moving contact is engaged with the static contact to conduct the power supply, and the power supply for the motor does not need to be continued when the power supply is conducted by the moving contact and the static contact, thereby saving the energy consumption of the traditional contactor since the electromagnet of the contactor needs to be powered in the power supplying process, and having no current noise in the power supplying process of the contactor.
Description
Technical field
The utility model relates to a kind of lv contactor, particularly a kind of mute energy-saving lv contactor.
Background technology
Contactor of the prior art as shown in Figure 1, its operation principle is to switch on to contactor coil 11 by the alternating current from power supply 10 or direct current, coil 11 electric currents produce magnetic field, make static iron core 12 produce electromagnetic attraction by the magnetic field producing and attract moving iron core 13, moving iron core 13 drives the contact 14 of contactor, normally-closed contact disconnects, normally opened contact closure.In the time of coil 11 power-off, electromagnetic attraction disappears, and moving iron core 13 discharges under the effect of back-moving spring 15, and contact is restored, and normally opened contact disconnects, normally-closed contact closure.
In prior art, the defect of direct current or A.C. contactor is: the first, and this class contactor adopts the easily electric component of consumption of the rapid wears such as electrochemical capacitor, controllable silicon, coil, magnet conventionally, makes its complex structure; The second, contactor switches on power to maintain contact condition always, produce larger current sound, and the energy consumption of contactor is higher between static iron core and moving iron core.
Summary of the invention
The technical problems to be solved in the utility model is, for the defect that current sound in prior art is large, energy consumption is higher, provides in a kind of use and there is no current noise and the lower mute energy-saving lv contactor of energy.
The technical scheme that the utility model mute energy-saving lv contactor adopts is: comprise housing, the moving contact that fixed contact is installed in housing and can contacts with fixed contact, moving contact is connected with drive unit, and drive unit is driven by motor, and motor is connected with the controller of controlling motor; On fixed contact, be provided with groove, on moving contact, be provided with the projection with groove fit.
In the utility model mute energy-saving lv contactor, drive unit comprises gear and tooth bar; Gear is arranged on the output shaft of motor; Tooth bar one end is connected on moving contact and rack and pinion engagement, and tooth bar is also gone up the positioner that is also provided with the constraint tooth bar direction of motion.
In the utility model mute energy-saving lv contactor, positioner comprises that two ends are connected at least one supporting bracket of housing both sides, is provided with the hole of passing through for tooth bar in supporting bracket.
In the utility model mute energy-saving lv contactor, the groove on fixed contact comprises at least one rectangular channel, and the length of rectangular channel is less than or equal to the length of fixed contact and the height of rectangular channel is less than the height of fixed contact; Projection on moving contact is the rectangular sheet matching with rectangular channel.
In the utility model mute energy-saving lv contactor, the cross section of the groove on fixed contact can also be spill sawtooth, and the cross section on moving contact is the convex sawtooth coordinating with it.
In the utility model mute energy-saving lv contactor, the porch of rectangular channel is provided with primary importance transducer, and the bottom of rectangular channel is provided with second place transducer.
Implement the utility model, compared with the prior art, its beneficial effect is: utilize motor and mechanical actuation device to drive moving contact, make moving contact engage with fixed contact and switch on power, when dynamic/static contact is powered to motor not continuing after power connection, in power supply process, also need to the energy consumption of the electromagnet power supply of contactor thereby saved traditional contactor, and in contactor power supply process, also there is no current noise.
Accompanying drawing explanation
Fig. 1 is contactor schematic diagram in prior art;
Fig. 2 is the schematic diagram of the utility model mute energy-saving lv contactor;
Fig. 3 is the schematic diagram of a kind of embodiment of drive unit in the utility model mute energy-saving lv contactor;
Fig. 4 is the schematic diagram of a kind of embodiment of contact in the utility model mute energy-saving lv contactor;
Fig. 5 is the schematic diagram of the utility model mute energy-saving lv contactor Position Sensor installation site;
Fig. 6 is the schematic diagram of the another kind of embodiment of contact in the utility model mute energy-saving lv contactor;
Fig. 7 is the schematic top plan view of supporting bracket in the utility model mute energy-saving lv contactor;
Fig. 8 is the schematic diagram of control section in the utility model mute energy-saving lv contactor.
Embodiment
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Be exemplary below by the embodiment being described with reference to the drawings, only for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, orientation or the position relationship of the indications such as term " " center ", " on ", D score, 'fornt', 'back', " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward " be based on orientation shown in the drawings or position relationship; be only the utility model and simplified characterization for convenience of description; rather than the device of indication or hint indication or element must have specific orientation, with specific orientation structure with operate, therefore can not be interpreted as restriction of the present utility model.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " setting " should be interpreted broadly, and for example, can be to be fixedly linked, to arrange, also can be to removably connect, arrange, or connect integratedly, arrange.For the ordinary skill in the art, can concrete condition understand the concrete meaning of above-mentioned term in the utility model.
As shown in Figure 2, the utility model mute energy-saving lv contactor comprises fixed contact 32, moving contact 31 and housing 20, and fixed contact 32 and moving contact 31 are arranged in housing 20, thereby moving contact 31 can move two fixed contacts 32 of connection.The bottom of moving contact 31 is connected with drive unit, thereby drive unit drives mobile moving contact 31 by motor 40, and motor 40 is connected with the controller 60 of controlling motor 40, and motor 40 can be arranged on bearing 42.Controller 60 is for controlling the positive and negative rotation of motor 40, and controls initial time, the duration that motor 40 rotates.On fixed contact 32, be provided with groove, and on moving contact 31, be provided with projection, the shape of groove and projection is worked in coordination, and groove and projection increased the contact area between moving contact 31 and fixed contact 32, makes contact more stable.
As shown in Figure 3, drive unit comprises gear 52 and tooth bar 51, gear 52 and the tooth bar 51 formation meshing relation of working in coordination, and gear 52 is aggressive devices, and tooth bar 51 is slave units, when gear 52 is during around A direction rotation, tooth bar 51 moves to B direction.Gear 52 is arranged on the output shaft 41 of motor 40; One end of tooth bar is connected to the bottom of moving contact 31, and the other end coordinates with gear 52 and is with carry-over bar 51 to turn round by gear 52.
The execution mode of the utility model mute energy-saving lv contactor contact has two kinds:
The first, the mode that adopts rectangular channel 71 and rectangular sheet 72 to coordinate.As shown in Figure 4, be provided with at least one groove on fixed contact 32, the utility model mute energy-saving lv contactor is three grooves preferably, and these three grooves are rectangular channels 71.The length of rectangular channel 71 equals the length of fixed contact 32, and the width of rectangular channel 71 is 2mm, and the height of rectangular channel 71 is less than the height of fixed contact 32.Three groove intervals arrange, the preferred 10mm of spacing.On moving contact 31, be provided with at least one projection, the utility model mute energy-saving lv contactor is three projections preferably, and these three projections are rectangular sheets 72, and the length of rectangular sheet 72 and rectangular channel 71 is with wide all the same but be highly less than the height of rectangular channel 71.
The second, the mode that adopts spill sawtooth 73 and convex sawtooth 74 to coordinate.As shown in Figure 6, the groove arranging on fixed contact 32 comprises the groove of at least one spill sawtooth 73, and the cross section of groove is zigzag, and the projection arranging on moving contact 31 comprises at least one convex sawtooth 74, and the cross section of projection is also zigzag.Spill sawtooth 73 and convex sawtooth 74 are coordinating in shape, and in the time that fixed contact 32 contacts with moving contact 31, spill sawtooth 73 coordinates fixed contact 32 is contacted with moving contact 31 with convex sawtooth 74.
As shown in Figure 5, whether the utility model mute energy-saving lv contactor is surveyed fixed contact 32 and moving contact 31 by position transducer and is thoroughly engaged.Primary importance transducer 33 is arranged on the porch of rectangular channel 71, and second place transducer 34 is arranged on the bottom of rectangular channel.In the time that moving contact 31 engages with fixed contact 32 in the porch of fixed contact 32, primary importance transducer 33 senses that moving contact 31 starts with contacting of fixed contact 32; In the time that moving contact 31 arrives the bottom of fixed contact 32, second place transducer 34 senses that moving contact 31 and fixed contact 32 thoroughly engage.Distance between primary importance transducer 33 and second place transducer 34 is H1, and the distance that tooth bar 51 moves is H2, and H1 equals H2.
Alternately, deposit the empirical value of moving contact 31 displacements in controller 60, directly control the running stroke of motor 40 by empirical value.
The control section of the utility model mute energy-saving lv contactor as shown in Figure 8.Switch 61 is connected with controller 60, and the signal opening or closing is transferred to controller 60 by switch 61.Controller 60 is controlled the running of motor 40, is the positive and negative rotation of motor 40 on the one hand; Be the duration of runs of motor on the other hand, comprise time, the duration of running and the time of closing that motor 40 starts of controlling.Primary importance transducer 33 and second place transducer 34 are connected to respectively controller 60.
Mute energy-saving lv contactor is in normally open, in the time that switch 61 sends enabled instruction, primary importance transducer 33 contacts moving contact 31 signal with fixed contact 32 is sent to controller 60, controller 60 is controlled motor 40 and is remained in operation, in the time that second place transducer 34 is induced to moving contact 31 and arrives stroke end, endpoint signal is transferred to controller 60, controller 60 shuts down motor 40, thus current sound and the energy efficient while avoiding traditional contactor to move, sent.In the time that switch 61 sends out code to controller 60, controller 60 is controlled motor 40 antiports, will leave signal and be sent to controller 60 when primary importance transducer 33 is induced to when moving contact 31 leaves fixed contact, and controller 60 shuts down motor 40.
Although illustrated and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: in the situation that not departing from principle of the present utility model and aim, can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present utility model is limited by claim and equivalent thereof.
Claims (6)
1. a mute energy-saving lv contactor, comprises housing (20), and the moving contact (31) that fixed contact (32) is installed in described housing (20) and can contacts with described fixed contact (32), is characterized in that:
Described moving contact (31) is connected with drive unit, and described drive unit is driven by motor (40), and described motor (40) is connected with the controller (60) of controlling described motor (40);
Described fixed contact is provided with groove on (32), is provided with the projection with described groove fit on described moving contact (31).
2. mute energy-saving lv contactor according to claim 1, is characterized in that, described drive unit comprises gear (52) and tooth bar (51); Described gear (52) is arranged on the output shaft (41) of described motor (40); One end of described tooth bar (51) is connected to described moving contact (31) above and described tooth bar (51) engages with described gear (52), is also provided with the positioner of constraint described tooth bar (51) direction of motion on described tooth bar (51).
3. mute energy-saving lv contactor according to claim 2, it is characterized in that, described positioner comprises that two ends are connected at least one supporting bracket (21) of described housing (20) both sides, is provided with the hole (22) of passing through for tooth bar (51) in described supporting bracket (21).
4. according to the arbitrary described mute energy-saving lv contactor of claims 1 to 3, it is characterized in that, groove on described fixed contact (32) comprises at least one rectangular channel (71), the length of described rectangular channel (71) is less than or equal to the length of described fixed contact (32), and the height of described rectangular channel (71) is less than the height of described fixed contact (32); Projection on described moving contact (31) is the rectangular sheet (72) matching with described rectangular channel (71).
5. according to the arbitrary described mute energy-saving lv contactor of claims 1 to 3, it is characterized in that, the cross section of the groove on described fixed contact (32) is spill sawtooth (73), and the cross section on described moving contact (31) is the convex sawtooth (74) matching with described spill sawtooth (73).
6. mute energy-saving lv contactor according to claim 4, is characterized in that, the porch of described rectangular channel (71) is provided with primary importance transducer (33), and the bottom of described rectangular channel (71) is provided with second place transducer (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320754472.7U CN203631429U (en) | 2013-11-25 | 2013-11-25 | Mute energy-saving low-voltage contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320754472.7U CN203631429U (en) | 2013-11-25 | 2013-11-25 | Mute energy-saving low-voltage contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203631429U true CN203631429U (en) | 2014-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320754472.7U Expired - Fee Related CN203631429U (en) | 2013-11-25 | 2013-11-25 | Mute energy-saving low-voltage contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203631429U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105355514A (en) * | 2015-12-14 | 2016-02-24 | 宁波市镇海华泰电器厂 | Power-saving low-heat silencing alternating-current contactor |
| CN107359081A (en) * | 2017-08-24 | 2017-11-17 | 珠海美地科技有限公司 | A kind of method and switching device of motor driving bridging contact on-load switch |
| CN107833796A (en) * | 2017-09-22 | 2018-03-23 | 西安科技大学 | The control structure and control method of a kind of A.C. contactor |
-
2013
- 2013-11-25 CN CN201320754472.7U patent/CN203631429U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105355514A (en) * | 2015-12-14 | 2016-02-24 | 宁波市镇海华泰电器厂 | Power-saving low-heat silencing alternating-current contactor |
| CN105355514B (en) * | 2015-12-14 | 2018-03-27 | 宁波市镇海华泰电器厂 | The A.C. contactor of economize on electricity low-heat noise elimination |
| CN107359081A (en) * | 2017-08-24 | 2017-11-17 | 珠海美地科技有限公司 | A kind of method and switching device of motor driving bridging contact on-load switch |
| CN107833796A (en) * | 2017-09-22 | 2018-03-23 | 西安科技大学 | The control structure and control method of a kind of A.C. contactor |
| CN107833796B (en) * | 2017-09-22 | 2019-04-09 | 西安科技大学 | A control structure and control method of an AC contactor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20161125 |