CN203799965U - Pulse polarity conversion module of composite switch - Google Patents
Pulse polarity conversion module of composite switch Download PDFInfo
- Publication number
- CN203799965U CN203799965U CN201420007852.9U CN201420007852U CN203799965U CN 203799965 U CN203799965 U CN 203799965U CN 201420007852 U CN201420007852 U CN 201420007852U CN 203799965 U CN203799965 U CN 203799965U
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- Prior art keywords
- control
- contact unit
- transfer contact
- coil
- electrically connected
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- 238000006243 chemical reaction Methods 0.000 title abstract description 14
- 239000002131 composite material Substances 0.000 title abstract 2
- 239000000853 adhesive Substances 0.000 description 8
- 230000001070 adhesive effect Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
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- Relay Circuits (AREA)
Abstract
The utility model discloses a pulse polarity conversion module of a composite switch; a polarity conversion circuit comprises a control chip, a first control relay, a second control relay, a diode and a magnetic latching relay; the magnetic latching relay comprises a magnetic latching coil and a normally open contact electrically connected with AC current; the first control relay comprises a no. 1 control coil, a first conversion contact unit and a second conversion contact unit; the no.1 control coil is connected in parallel with the control chip through the diode; the magnetic latching coil is connected in series between the first conversion contact unit and the second conversion contact unit; the first and second conversion contact units are electrically connected relative to the other end of the magnetic latching coil and respectively connected with an anode and a cathode of DC power supply; the second control relay comprises a no.2 control coil and a no.2 normally open contact; the no.2 control coil is connected in parallel with the control chip through the diode and then electrically connected with the no.2 normally open contact for linkage. The module is small in power consumption, and more humanized and intelligentized in control.
Description
Technical field
The utility model relates to a kind of switchgear of drop-out current, and more particularly, it relates to a kind of combination switch.
Background technology
Combination switch refers to and can under the condition of normal galvanic circle, close, the switchgear of carrying and drop-out current.Combination switch is selected thyristor switch and the parallel running of magnetic maintained switch, and it has advantages of silicon control zero-cross switching in the moment switching on and off, and has advantages of magnetic maintained switch zero-power during normal connection.Combination switch has without remarkable advantages such as impact, low-power consumption, high life, and alternative contactor or thyristor switch, be widely used in low-pressure reactive compensation field.In the time requiring very low power consumption, can adopt magnetic latching relay.It does not need continuous power supply, and enough large pulse voltage only need to be provided, and just can ensure product adhesive.But when line design, need provide forward and reverse voltage, thereby change its contacts status, this respect also urgently improves.
Utility model content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of pulse polarity modular converter of combination switch, and this modular circuit is simplified, and power consumption is little, controls hommization intellectuality more.
For achieving the above object, the utility model provides following technical scheme:
A kind of pulse polarity modular converter of combination switch, comprise polarity switching, described polarity switching comprises control chip, the first control relay, the second control relay, diode and magnetic latching relay, described magnetic latching relay comprises retaining coil magnetic and the normally opened contact for being electrically connected with alternating current, described the first control relay comprises control coil No. one, the first transfer contact unit and the second transfer contact unit, a described control coil is in parallel with control chip by diode, described retaining coil magnetic is series between the first transfer contact unit and the second transfer contact unit, after the other end electrical connection of described the first transfer contact unit and the second relative retaining coil magnetic in transfer contact unit, be connected to the both positive and negative polarity of DC power supply, described the second control relay comprises No. two control coils and No. two normally opened contacts, described No. two controller coils are electrically connected interlock with No. two normally opened contacts by diodes in parallel after control chip.
By adopting technique scheme, first, the operating voltage of the second control relay is all 5V direct current, therefore do not need to increase in addition drive circuit, directly controlled by control chip, effectively simplify circuit and reduced power consumption, the second control relay is set and strengthens the controllability to DC circuit, the main element of the first control relay as the conversion of magnetic latching relay polarity is set, No. one control coil is used for accepting the pulse signal from control chip, the first transfer contact unit is set and is connected retaining coil magnetic with the second transfer contact unit, and DC power supply is connected, at the polarity chron that need to change magnetic latching relay, only need control chip output pulse signal to change first, the connection state of the second transfer contact unit, can reach the object of magnetic latching relay conversion, adopt control chip to reach and control the hommization more of magnetic latching relay polarity by control relay, intelligent.
Further improvement as technique scheme: described the first transfer contact unit and the second transfer contact unit include a normally opened contact and a normally-closed contact, described retaining coil magnetic is series between the common port of two normally opened contacts, the normally opened contact of described any transfer contact unit is electrically connected on a utmost point of DC power supply after being electrically connected with the normally-closed contact of another transfer contact unit, after normally-closed contact is electrically connected with the normally-closed contact of another transfer contact unit, be electrically connected with another utmost point of DC power supply.
By adopting technique scheme, after No. two control coil adhesives, make DC power supply circuit conducting, if No. one control coil obtains after low level adhesive, the normally opened contact of two transfer contact unit all electric closure, retaining coil magnetic obtains electric rear forward adhesive, its normally opened contact closure, AC power circuit conducting; If No. one control coil obtains high level, the normally-closed contact of two transfer contact unit connects retaining coil magnetic, is negative direct voltage like this to what apply on retaining coil magnetic, after retaining coil magnetic dead electricity, disconnects, and its contact dead electricity disconnects.
The utility model is further set to: between the both positive and negative polarity of described DC power supply, be in series with diode, the negative pole of described diode is towards the positive pole of DC power supply.
By adopting technique scheme, thereby between the both positive and negative polarity of DC power supply, series diode effectively prevents that DC power supply reverse-conducting from affecting the normal work of change-over circuit.
The utility model is further set to: described control chip is HT46R232.
By adopting technique scheme, this kind of chip is eight high-performance reduced instruction set computer control chips, special in needing the product design of mould/number conversion, is widely used powerful.
Brief description of the drawings
Fig. 1 is the structural representation of the pulse polarity modular converter embodiment of the utility model combination switch.
Reference numeral:
1, control chip; 2, a control coil; 3, No. two control coils; 4, retaining coil magnetic; S1, the first transfer contact unit; S2, the second transfer contact unit; KM1, the first control relay; KM2, the second control relay; J1, magnetic latching relay.
Embodiment
With reference to Fig. 1, the pulse polarity modular converter embodiment of the utility model combination switch is described further.
A kind of pulse polarity modular converter of combination switch, comprise polarity switching, described polarity switching comprises control chip 1, the first control relay KM1, the second control relay KM2, diode and magnetic latching relay J1, described magnetic latching relay J1 comprises retaining coil magnetic 4 and the normally opened contact for being electrically connected with alternating current, described the first control relay KM1 comprises control coil 2 No. one, the first transfer contact unit s1 and the second transfer contact unit s2, a described control coil 2 is in parallel with control chip 1 by diode, described retaining coil magnetic 4 is series between the first transfer contact unit s1 and the second transfer contact unit s2, after the other end electrical connection of described the first transfer contact unit s1 and the relative retaining coil magnetic 4 of the second transfer contact unit s2, be connected to the both positive and negative polarity of DC power supply, described the second control relay KM2 comprises No. two control coils 3 and No. two normally opened contacts, described No. two controller coils are electrically connected interlock with No. two normally opened contacts by diodes in parallel after control chip 1.
By adopting technique scheme, first, the operating voltage of the second control relay KM2 is all 5V direct current, therefore do not need to increase in addition drive circuit, directly controlled by control chip 1, effectively simplify circuit, the second control relay KM2 is set and strengthens the controllability to DC circuit, the main element of the first control relay KM1 as the conversion of magnetic latching relay J1 polarity is set, No. one control coil 2 is used for accepting the pulse signal from control chip 1, the first transfer contact unit s1 is set and is connected retaining coil magnetic 4 with the second transfer contact unit s2, and DC power supply is connected, at the polarity chron that need to change magnetic latching relay J1, only need control chip 1 output pulse signal to change first, the connection state of the second transfer contact unit s2, can reach the object of magnetic latching relay J1 conversion, adopt control chip 1 to reach and control the hommization more of magnetic latching relay J1 polarity by control relay, intelligent.
Described the first transfer contact unit s1 comprises the normally opened contact and the normally-closed contact that are made up of contact 2,3,4, described the second transfer contact unit s2 includes a normally opened contact and a normally-closed contact of contact 7,6,5 compositions, described retaining coil magnetic 4 is series at the common port of two normally opened contacts, be between contact 2 and contact 7, under reset condition, moving contact 2 and fixed contact 3 and contact 7 and contact 6 are all in closure state, contact 3 is connected with the negative pole of DC power supply with after 5 electrical connections of contact, and contact 4 is connected with the positive pole of DC power supply with after 6 electrical connections of contact.After No. two control coil 3 adhesives, make DC power supply circuit conducting, if No. one control coil 2 obtains after low level adhesive, the normally opened contact of two transfer contact unit all electric closure, retaining coil magnetic 4 electric rear forward adhesive, its normally opened contact closure, AC power circuit conducting; If No. one control coil 2 obtains high level, the normally-closed contact of two transfer contact unit connects retaining coil magnetic 4, is negative direct voltage like this to what apply on retaining coil magnetic 4, after retaining coil magnetic 4 dead electricity, disconnects, and its contact dead electricity disconnects.
The present embodiment is taking 12V direct current as example, under normality, the normally-closed contact of two transfer contact unit is all closed, normally opened contact all disconnects, in the situation of control coil 2 not adhesives, magnetic latching relay J1 is in forward on-state, in the time that magnetic latching relay J1 contact needs closure, the PC1 end of shilling control chip 1 is output as 0, and the normally-closed contact of the first control relay KM1 is linked on retaining coil magnetic 4; Making PA3 end be output as 1, No. two control coil 3 must be electric again, thereby makes the normally opened contact closure of the second control relay KM2, make the DC loop conducting of 12V, this adds positive 12V direct voltage to retaining coil magnetic 4, and the closing of contact of magnetic latching relay J1, when after the steady closure of contact, make PA3 end be output as 0, K2 coil blackout, disconnects its contact, then makes PC1 end be output as 0, the first control relay KM1 coil blackout, makes contact reply normality.In the time that magnetic latching relay J1 contact need to disconnect, the PC1 end of Schilling control chip 1 is output as 1, the normally opened contact of the first control relay KM1 is linked on retaining coil magnetic 4, make again PA3 end be output as 1, No. two control coils 3 must be electric, thereby make the normally opened contact closure of the second control relay KM2, makes the conducting of 12V DC loop, give like this add-12V of retaining coil magnetic 4 direct voltage, make its disconnection.After magnetic latching relay J1 contact disconnects, make equally the first control relay KM1, K2 coil blackout, contact returns to normal.
Between the both positive and negative polarity of described DC power supply, be in series with diode, the negative pole of described diode is towards the positive pole of DC power supply, thereby between the both positive and negative polarity of DC power supply, series diode effectively prevents that DC power supply reverse-conducting from affecting the normal work of change-over circuit.
It should be noted that described control chip 1 is HT46R232, this kind of chip is eight high-performance reduced instruction set computer control chips 1, special in needing the product design of mould/number conversion, is widely used powerful.
The above is only preferred implementation of the present utility model, and protection range of the present utility model is also not only confined to above-described embodiment, and all technical schemes belonging under the utility model thinking all belong to protection range of the present utility model.It should be pointed out that for those skilled in the art, in the some improvements and modifications that do not depart under the utility model principle prerequisite, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (4)
1. the pulse polarity modular converter of a combination switch, it is characterized in that: comprise polarity switching, described polarity switching comprises control chip, the first control relay, the second control relay, diode and magnetic latching relay, described magnetic latching relay comprises retaining coil magnetic and the normally opened contact for being electrically connected with alternating current, described the first control relay comprises control coil No. one, the first transfer contact unit and the second transfer contact unit, a described control coil is in parallel with control chip by diode, described retaining coil magnetic is series between the first transfer contact unit and the second transfer contact unit, after the other end electrical connection of described the first transfer contact unit and the second relative retaining coil magnetic in transfer contact unit, be connected to the both positive and negative polarity of DC power supply, described the second control relay comprises No. two control coils and No. two normally opened contacts, described No. two controller coils are electrically connected interlock with No. two normally opened contacts by diodes in parallel after control chip.
2. the pulse polarity modular converter of combination switch according to claim 1, it is characterized in that: described the first transfer contact unit and the second transfer contact unit include a normally opened contact and a normally-closed contact, described retaining coil magnetic is series between the common port of two normally opened contacts, the normally opened contact of described any transfer contact unit is electrically connected on a utmost point of DC power supply after being electrically connected with the normally-closed contact of another transfer contact unit, after normally-closed contact is electrically connected with the normally-closed contact of another transfer contact unit, be electrically connected with another utmost point of DC power supply.
3. the pulse polarity modular converter of combination switch according to claim 2, is characterized in that: between the both positive and negative polarity of described DC power supply, be in series with diode, the negative pole of described diode is towards the positive pole of DC power supply.
4. according to the pulse polarity modular converter of the combination switch described in claim 1 or 2 or 3, it is characterized in that: described control chip is HT46R232.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420007852.9U CN203799965U (en) | 2014-01-04 | 2014-01-04 | Pulse polarity conversion module of composite switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420007852.9U CN203799965U (en) | 2014-01-04 | 2014-01-04 | Pulse polarity conversion module of composite switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203799965U true CN203799965U (en) | 2014-08-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420007852.9U Expired - Fee Related CN203799965U (en) | 2014-01-04 | 2014-01-04 | Pulse polarity conversion module of composite switch |
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| CN (1) | CN203799965U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105206475A (en) * | 2015-10-28 | 2015-12-30 | 哈尔滨工业大学 | A switch-controlled magnetic latching relay drive circuit |
| CN106229218A (en) * | 2016-08-26 | 2016-12-14 | 江苏智峰电气科技有限公司 | A kind of single twin coil drive circuit of magnetic latching relay |
| CN106298364A (en) * | 2016-08-26 | 2017-01-04 | 江苏智峰电气科技有限公司 | A kind of single twin coil magnetic latching relay driving method |
| CN111239618A (en) * | 2020-03-09 | 2020-06-05 | 天津市捷威动力工业有限公司 | Module polarity detection method and detection tool |
| CN113053696A (en) * | 2019-12-26 | 2021-06-29 | 施耐德电气工业公司 | Control circuit for contactor and control method thereof |
-
2014
- 2014-01-04 CN CN201420007852.9U patent/CN203799965U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105206475A (en) * | 2015-10-28 | 2015-12-30 | 哈尔滨工业大学 | A switch-controlled magnetic latching relay drive circuit |
| CN106229218A (en) * | 2016-08-26 | 2016-12-14 | 江苏智峰电气科技有限公司 | A kind of single twin coil drive circuit of magnetic latching relay |
| CN106298364A (en) * | 2016-08-26 | 2017-01-04 | 江苏智峰电气科技有限公司 | A kind of single twin coil magnetic latching relay driving method |
| CN113053696A (en) * | 2019-12-26 | 2021-06-29 | 施耐德电气工业公司 | Control circuit for contactor and control method thereof |
| CN111239618A (en) * | 2020-03-09 | 2020-06-05 | 天津市捷威动力工业有限公司 | Module polarity detection method and detection tool |
| CN111239618B (en) * | 2020-03-09 | 2022-05-10 | 天津市捷威动力工业有限公司 | A kind of module polarity detection method and detection tool |
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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: 20140827 Termination date: 20170104 |