CN218676963U - Energy-saving module of alternating current contactor - Google Patents
Energy-saving module of alternating current contactor Download PDFInfo
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- CN218676963U CN218676963U CN202223310654.3U CN202223310654U CN218676963U CN 218676963 U CN218676963 U CN 218676963U CN 202223310654 U CN202223310654 U CN 202223310654U CN 218676963 U CN218676963 U CN 218676963U
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- diode
- contactor
- electromagnet
- alternating current
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Abstract
The utility model discloses an ac contactor's energy-conserving module, including ac contactor, dc-electric magnet, regulating switch, first diode, second diode, third diode, fourth diode, ac contactor's first end is connected with the first end in ac power supply source, ac contactor's second end with the second end in ac power supply source is connected, ac contactor still is used for being connected with the locking mechanism of main loop switch, dc-electric magnet is used for being connected with the locking mechanism of main loop switch, regulating switch with ac contactor connects, regulating switch still with dc-electric magnet connects. The utility model discloses an alternating current contactor's energy-conserving module need not reform transform the contactor, just can accomplish contactor machinery auto-lock to can automatic unblock, the contactor coil need not inhale for a long time and with, reduced the energy consumption, the noise abatement.
Description
Technical Field
The utility model relates to a low-voltage apparatus technical field, in particular to ac contactor's energy-conserving module.
Background
The AC contactor is a switch device for controlling large current by small current, is widely applied to low-voltage circuits, and is an industrial necessity with safe use, convenient control, large quantity and wide range. When the electric equipment works, the electromagnetic system of the contactor is always in the attraction state, not only energy is consumed, but also much heat is generated, and the coil is damaged.
In response to these problems, developers have been struggling to develop energy efficient contactor products. At present, a mechanical self-locking alternating current contactor is reliable, but the mechanical self-locking structure needs manual operation or is externally provided with a power supply and a coil to unlock the mechanical structure so as to reset the contactor, and the complexity of control is increased. The other permanent magnetic contactor adopts a permanent magnetic core, and the other soft magnetic core is wound with a coil for generating reverse magnetic flux; when the AC contactor needs to be restored to the initial state, the coil in the other iron core is electrified to generate reverse magnetic flux to generate repulsion with the permanent magnet core, and the AC contactor overcomes the spring force and returns to the original position. Its advantages are high cost, easy demagnetization of permanent magnet, easy generation of residual magnetism of soft magnet, and low reliability of AC contactor.
Therefore, the energy-saving products are not accepted and used by the engineers.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem of the prior art, the utility model provides an ac contactor's energy-conserving module can automatic control contactor contact closure and disconnection, lets the contactor coil keep the major loop circular telegram, greatly reduced contactor energy consumption under the power consumptive condition not simultaneously. The utility model discloses a concrete technical scheme as follows:
the utility model provides an ac contactor's energy-conserving module, include:
the first end of the alternating current contactor is connected with the first end of an alternating current power supply source, the second end of the alternating current contactor is connected with the second end of the alternating current power supply source, and the alternating current contactor is further used for being connected with a locking mechanism of a main loop switch;
the direct current electromagnet is used for being connected with a locking mechanism of the main loop switch;
the adjusting switch is connected with the alternating current contactor and the direct current electromagnet;
a first diode, a first end of the first diode being connected to a second end of the AC power supply, a second end of the first diode being connected to a first end of the DC electromagnet;
a second diode, a first end of the second diode being connected to a second end of the dc electromagnet, a second end of the second diode being connected to a second end of the ac power supply;
a first end of the third diode is connected with the first end of the alternating current contactor, and a second end of the third diode is connected with the first end of the direct current electromagnet;
and a first end of the fourth diode is connected with the second end of the direct current electromagnet, and a second end of the fourth diode is connected with the first end of the alternating current contactor.
Further, the first end of the direct current electromagnet is connected to the circuit through the first connector, and/or the second end of the direct current electromagnet is connected to the circuit through the second connector.
Further, the adjusting switch is a microswitch.
Furthermore, the microswitch comprises a microswitch ejector rod, the microswitch ejector rod is arranged at the position of the direct current electromagnet, a contact piece is arranged at one end, close to the microswitch ejector rod, of the direct current electromagnet, and the position of the contact piece corresponds to that of the microswitch ejector rod.
Further, the contact member is an ejector pin.
Furthermore, the energy-saving module further comprises a light-emitting diode, a first end of the light-emitting diode is connected with a second end of the alternating current power supply, and a second end of the light-emitting diode is connected with a first end of the first diode.
Further, the energy-saving module further comprises a voltage dividing resistor, and the voltage dividing resistor is arranged between the second end of the alternating current power supply and the first end of the light-emitting diode.
Further, one end of the regulating switch is connected with the first end of the first diode, and the other end of the regulating switch is connected with the second end of the second diode.
The utility model provides a beneficial effect that technical scheme brought as follows:
the energy-saving module using the energy-saving circuit can complete mechanical self-locking of the contactor without transforming the contactor, can automatically unlock the contactor, and reduces energy consumption and noise because the coil of the contactor does not need to absorb the energy for a long time. Meanwhile, the diodes and the micro switches are skillfully utilized, the rectification of alternating current is realized, and the circuit completes the switching of full-wave rectification and half-wave rectification according to the characteristics that the electromagnet absorbs large current and keeps small current, so that the energy consumption is further reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic diagram of a circuit portion of an energy saving module according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a partial mechanical structure of an energy saving module provided by an embodiment of the present invention.
Wherein the reference numerals include: 1-alternating current contactor, 2-direct current electromagnet, 21-first connector assembly, 22-second connector assembly, 23-electromagnet coil, 24-electromagnet moving core, 25-electromagnet armature, 31-first diode, 32-second diode, 33-third diode, 34-fourth diode, 4-light emitting diode, 5-voltage dividing resistor, 6-microswitch and 61-microswitch ejector rod.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
In an embodiment of the present invention, an energy saving module of an ac contactor is provided, referring to fig. 1 and 2, including:
the alternating current contactor comprises an alternating current contactor 1, wherein a first end of the alternating current contactor 1 is connected with a first end of an alternating current power supply source, a second end of the alternating current contactor 1 is connected with a second end of the alternating current power supply source, the alternating current contactor 1 is further used for being connected with a locking mechanism of a main loop switch, when the alternating current contactor 1 is closed, the main loop switch is triggered to be closed, the locking mechanism is locked, and the locking mechanism can be a mechanical locking mechanism;
the direct current electromagnet 2 is used for being connected with a locking mechanism of the main loop switch, when the direct current electromagnet 2 is electrified, magnetic force is generated to drive the electromagnet armature 25 to provide locking holding force for the locking mechanism, and therefore continuous actuation of the main loop switch is maintained;
and the adjusting switch is connected with the alternating current contactor 1 and the direct current electromagnet 2. The regulating switch is a normally closed switch, the alternating current contactor 1 is also closed when the regulating switch is closed, the alternating current contactor 1 is also opened when the regulating switch is opened, and the direct current electromagnet 2 is electrified to trigger the regulating switch to open the regulating switch so as to open the alternating current contactor 1;
a first diode 31, a first end of the first diode 31 being connected to a second end of the ac power supply, a second end of the first diode 31 being connected to a first end of the dc electromagnet 2;
a second diode 32, a first end of the second diode 32 being connected to the second end of the dc electromagnet 2, and a second end of the second diode 32 being connected to the second end of the ac power supply;
a third diode 33, a first end of the third diode 33 is connected to the first end of the ac contactor 1, and a second end of the third diode 33 is connected to the first end of the dc electromagnet 2;
a fourth diode 34, wherein a first end of the fourth diode 34 is connected to the second end of the dc electromagnet 2, and a second end of the fourth diode 34 is connected to the first end of the ac contactor 1.
In an embodiment of the present invention, the first end of the dc electromagnet 2 is connected to the circuit through the first connector 21, and/or the second end of the dc electromagnet 2 is connected to the circuit through the second connector 22, and the connectors are arranged to facilitate replacement of the dc electromagnet 2 once it is damaged.
In an embodiment of the present invention, the adjusting switch is a micro switch 6.
In an embodiment of the present invention, the micro switch 6 includes a micro switch post rod 61, the micro switch post rod is disposed at the position of the dc electromagnet 2, the dc electromagnet 2 is close to the one end of the micro switch post rod 61 is provided with a contact, and the position of the contact corresponds to the position of the micro switch post rod 61.
In an embodiment of the present invention, the contact member is a thimble, referring to fig. 2, the dc electromagnet 2 is powered on, that is, the electromagnet coil 23 is powered on, the electromagnet moving core 24 moves towards the micro switch post rod 61, and the thimble at the tail of the electromagnet moving core 24 contacts the micro switch post rod 61 to make the micro switch 6 become open from closed.
In an embodiment of the present invention, the energy saving module further includes a light emitting diode 4, a first end of the light emitting diode 4 is connected to the second end of the ac power supply, and a second end of the light emitting diode 4 is connected to the first end of the first diode 31.
In an embodiment of the present invention, the energy saving module further includes a voltage dividing resistor 5, wherein the voltage dividing resistor 5 is disposed between the second end of the ac power supply and the first end of the light emitting diode 4.
In an embodiment of the present invention, one end of the adjusting switch is connected to the first end of the first diode 31, and the other end of the adjusting switch is connected to the second end of the second diode 32.
When the control circuit sends a power-on instruction, the energy-saving module energy-saving circuit firstly powers on the coil of the alternating current contactor 1, the main loop is powered on, the four diodes provide full-wave rectification current, the direct current electromagnet 2 of the energy-saving module is attracted at the moment, the direct current electromagnet 2 keeps required current reduction after attraction, the direct current electromagnet 2 jacks the microswitch 6, the coil of the alternating current contactor 1 is powered off, meanwhile, the diodes provide half-wave rectification current, and the current value is half of that during attraction. When the control circuit sends a power-off command, the direct current electromagnet 2 loses power, and the electromagnet reset spring resets the electromagnet armature 25, so that the mechanical locking mechanism is unlocked, and the purpose of automatic control is achieved.
Specific examples are described in detail below with reference to the accompanying drawings.
After the energy-saving module is electrified, the alternating current contactor 1 is electrified, the contactor coil is attracted, the power utilization main loop is closed, and meanwhile, the contactor moving contact support drives the mechanical part of the energy-saving module to be locked.
Meanwhile, the forward current passes through the second diode 33, the direct current electromagnet 2 passes through the second diode 32, the reverse current passes through the first diode 31, the direct current electromagnet 2 passes through the fourth diode 34, the full-wave rectification of the alternating current is completed, the direct current electromagnet 2 is attracted, and the electromagnet armature 25 provides a small locking retaining force for the mechanical locking mechanism.
After the direct current electromagnet 2 is attracted, the mechanical locking mechanism is locked, the electromagnet moving core 24 drives the microswitch ejector rod 61 to eject the normally closed microswitch 6, the alternating current contactor 1 is powered off, and the contactor presses a contactor moving contact support by the energy-saving module mechanical locking mechanism to keep a main loop electrified.
After the normally closed micro-switch 6 is opened, the forward current passes through the second diode 33, the direct current electromagnet 2 passes through the second diode 32, and the reverse current cannot pass, so that the half-wave rectification of the alternating current is completed, at this time, the current value is half of that before the attraction, and the direct current electromagnet 2 keeps attracting.
When the power is cut off, the armature 25 of the direct current electromagnet resets, the mechanical locking mechanism is released, the moving contact and the static contact of the contactor are separated, and the main loop is cut off.
The existing energy-saving contactor products have the defects of large improvement on the original contactor, poor reliability, manual operation and operation complexity increase, and are not widely applied. And the technical scheme of the utility model energy-conserving module that has used this kind of energy-conserving circuit need not reform transform the contactor, just can accomplish contactor machinery auto-lock to can automatic unblock, the contactor coil need not inhale for a long time and with, reduced the energy consumption, the noise abatement. Meanwhile, according to the characteristics that the electromagnet needs large power consumption when attracted and needs small power consumption when kept, the energy-saving circuit has the functions that the electromagnet is large in attraction current and small in current when kept, and therefore energy consumption is further reduced.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (8)
1. An energy-saving module of an AC contactor is characterized by comprising:
the alternating current contactor (1), wherein a first end of the alternating current contactor (1) is connected with a first end of an alternating current power supply source, a second end of the alternating current contactor (1) is connected with a second end of the alternating current power supply source, and the alternating current contactor (1) is further used for being connected with a locking mechanism of a main loop switch;
the direct current electromagnet (2), the said direct current electromagnet (2) is used for locking the mechanism connection with main circuit switch;
the adjusting switch is connected with the alternating current contactor (1) and the direct current electromagnet (2);
a first diode (31), a first end of the first diode (31) is connected with a second end of the alternating current power supply, and a second end of the first diode (31) is connected with a first end of the direct current electromagnet (2);
a second diode (32), a first end of the second diode (32) being connected to a second end of the DC electromagnet (2), a second end of the second diode (32) being connected to a second end of the AC power supply;
a third diode (33), a first end of the third diode (33) being connected to the first end of the ac contactor (1), a second end of the third diode (33) being connected to the first end of the dc electromagnet (2);
a fourth diode (34), wherein a first end of the fourth diode (34) is connected with a second end of the direct current electromagnet (2), and a second end of the fourth diode (34) is connected with a first end of the alternating current contactor (1).
2. Energy saving module according to claim 1, characterized in that the first end of the dc electromagnet (2) is connected to the circuit via a first connector (21) and/or that the second end of the dc electromagnet (2) is connected to the circuit via a second connector (22).
3. Energy saving module according to claim 1, characterized in that the regulating switch is a microswitch (6).
4. The energy saving module according to claim 3, characterized in that the microswitch (6) comprises a microswitch mandril (61), the microswitch mandril (61) is arranged at the DC electromagnet (2), one end of the DC electromagnet (2) close to the microswitch mandril (61) is provided with a contact piece, and the position of the contact piece corresponds to the position of the microswitch mandril (61).
5. The energy efficient module of claim 4 wherein said contact member is a thimble.
6. Energy saving module according to claim 1, characterized in that the energy saving module further comprises a light emitting diode (4), a first terminal of the light emitting diode (4) being connected to the second terminal of the ac power supply, a second terminal of the light emitting diode (4) being connected to the first terminal of the first diode (31).
7. Energy saving module according to claim 6, characterized in that the energy saving module further comprises a voltage dividing resistor (5), the voltage dividing resistor (5) being arranged between the second terminal of the AC power supply and the first terminal of the light emitting diode (4).
8. Energy saving module according to claim 1, characterized in that one terminal of the regulating switch is connected to a first terminal of the first diode (31) and the other terminal of the regulating switch is connected to a second terminal of the second diode (32).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2021234501047 | 2021-12-31 | ||
| CN202123450104 | 2021-12-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218676963U true CN218676963U (en) | 2023-03-21 |
Family
ID=85549347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223310654.3U Active CN218676963U (en) | 2021-12-31 | 2022-12-08 | Energy-saving module of alternating current contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218676963U (en) |
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2022
- 2022-12-08 CN CN202223310654.3U patent/CN218676963U/en active Active
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