CN203707030U - Magnetic maintaining relay drive circuit - Google Patents
Magnetic maintaining relay drive circuit Download PDFInfo
- Publication number
- CN203707030U CN203707030U CN201320869049.1U CN201320869049U CN203707030U CN 203707030 U CN203707030 U CN 203707030U CN 201320869049 U CN201320869049 U CN 201320869049U CN 203707030 U CN203707030 U CN 203707030U
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- CN
- China
- Prior art keywords
- capacitor
- coil
- energy
- triggering
- triode
- 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
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- 239000003990 capacitor Substances 0.000 claims abstract description 29
- 238000004146 energy storage Methods 0.000 claims abstract description 14
- 230000005389 magnetism Effects 0.000 claims description 15
- 229910052710 silicon Inorganic materials 0.000 claims description 9
- 239000010703 silicon Substances 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 208000012839 conversion disease Diseases 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model discloses a magnetic maintaining relay drive circuit, and belongs to the technical field of relays. The circuit comprises a DC pulse generation and energy storage unit Y1, and a triggering and energy releasing unit Y2. The DC pulse generation and energy storage unit Y1 comprises a diode D and a capacitor C2. The diode D and the capacitor C2 are connected in series. The triggering and energy releasing unit Y2 comprises a saturation breakover component T, an audion BG, resistors R1 and R2, and a capacitor C1. The circuit uses charge and discharge characteristics of the capacitor, and the DC pulse generation and energy storage unit and the triggering and energy releasing unit circuit are added in a magnetic maintaining relay coil. When the coil is powered on, a relay contact is converted to a state, and when the coil is powered off, the relay contact is converted to another state, thereby achieving effect of simplifying control.
Description
Technical field
The utility model belongs to relay technical field, relates to a kind of self-locking type relay circuit, especially relates to a kind of magnetism holding type relay drive circuit.
Background technology
Magnetic latching relay is a kind of new type of relay growing up in recent years, also be a kind of automatic switch, the same with other electromagnetic relays, circuit is played a part to automatic connection and cut-out, difference is, normally closed or the normally open of magnetic latching relay is to provide maintenance by permanent-magnet steel completely, and the conversion of its on off state is to have triggered by the pulse electrical signal of certain width.Due to its design feature, coil does not need energising at ordinary times, in the time that contact state need to be changed, only need apply a pulsed dc voltage to coil, complete the conversion of contacting or disconnection by the positive and negative polarity of conversion coil both end voltage, such type of drive makes, in the time of such self-locking type product of application, need in peripheral control circuit, increase a lot of change-over circuits, this had both increased the complexity of control circuit, had increased again cost.Existing magnetism holding type relay general circuit structure as shown in Figure 1, when 1,2 ends of coil J apply a direct impulse direct voltage, main contacts 3,4 ends and auxiliary contact NO, NC, COM connect or transfer disconnection to from connecting from disconnecting transferring to, after 1, the 2 end power supplys of coil J remove, the state of main contacts 3,4 ends is kept by permanent magnetic steel; When 1,2 ends of coil J apply a reverse impulse direct voltage, main contacts 3,4 ends and auxiliary contact NO, NC, COM just disconnect or transfer on-state to from disconnecting from connecting to transfer to, after 1, the 2 end power supplys of coil J remove, the state of main contacts 3,4 ends is still kept by permanent magnetic steel.Its Drive and Control Circuit had both needed to produce pulsed dc voltage, need again to have the function of and convertible polarity corresponding with relay contact status, compared with traditional electrical electromagnetic relay control mode, this has just increased the complexity of applying this series products greatly.
Utility model content
In order to address the above problem, the utility model provides a kind of magnetism holding type relay drive circuit, simplifies thereby reach the effect of controlling.
The utility model is achieved by following technical solution.
A kind of magnetism holding type relay drive circuit, comprise that DC pulse produces and energy-storage units Y1 and triggering and energy releasing unit Y2, described DC pulse produces and energy-storage units circuit Y1 comprises diode D and capacitor C 2, diode D connects with capacitor C 2, one end is connected in control end "+" end, the other end is connected with coil J, triggering and energy releasing unit Y2 comprise saturation conduction elements T, triode BG, resistance R 1, R2 and capacitor C 1, saturation conduction elements T one end and R2 one end are parallel to the output of diode D and the input contact of capacitor C 2, the other end is in parallel with relay coil J and be connected to control end "-" end, the collector electrode of the trigger end of saturation conduction elements T and resistance R 2 other ends and triode BG, one end of capacitor C 1 connects, the other end of the emitter of triode BG and capacitor C 1 is connected in parallel in control end "-" end, resistance R 1 one end connects control end "+" end, another section is connected in the base stage of triode BG.
Described triggering and energy releasing unit Y2, its saturation conduction elements T is one of controllable silicon or triode that can saturation conduction, IGBT element.
The beneficial effects of the utility model are:
A kind of magnetism holding type relay drive circuit described in the utility model, utilize the charge-discharge characteristic of electric capacity, by increasing DC pulse generation and energy-storage units and triggering and energy releasing unit circuit to magnetism holding type relay coil, make such self-latching relay the same in the common electromagnetic type relay control mode of application neutralization, coil electricity, relay contact is transformed into a kind of state, coil blackout, relay contact is just transformed into another kind of state, and without extra pulse-generating circuit and the polarity switching of increasing, reached and simplified the effect of controlling.
Brief description of the drawings
Fig. 1 is the general drive circuit figure of existing magnetism holding type relay;
Fig. 2 is drive circuit figure of the present utility model.
In figure: 1,2-control end, 3,4-relay contact, Y1-DC pulse produces and energy-storage units, and Y2-triggers and energy releasing unit, Y3-magnetism holding type relay.
Embodiment
Further describe the technical solution of the utility model below in conjunction with accompanying drawing, but described in claimed scope is not limited to.
As shown in Figure 2, a kind of magnetism holding type relay drive circuit described in the utility model, comprise that DC pulse produces and energy-storage units Y1 and triggering and energy releasing unit Y2, described DC pulse produces and energy-storage units circuit Y1 comprises diode D and capacitor C 2, diode D connects with capacitor C 2, one end is connected in control end "+" end, the other end is connected with coil J, triggering and energy releasing unit Y2 comprise saturation conduction elements T, triode BG, resistance R 1, R2 and capacitor C 1, saturation conduction elements T one end and R2 one end are parallel to the output of diode D and the input contact of capacitor C 2, the other end is in parallel with relay coil J and be connected to control end "-" end, the collector electrode of the trigger end of saturation conduction elements T and resistance R 2 other ends and triode BG, one end of capacitor C 1 connects, the other end of the emitter of triode BG and capacitor C 1 is connected in parallel in control end "-" end, resistance R 1 one end connects control end "+" end, another section is connected in the base stage of triode BG.
Described triggering and energy releasing unit Y2, its saturation conduction elements T is one of controllable silicon or triode that can saturation conduction, IGBT element.
DC pulse produce and energy-storage units Y1 for providing magnetism holding type relay coil J to work needed DC pulse voltage and storage for the required electric energy of relay coil J reverse operation; Triggering and energy releasing unit Y2, for making the conducting of saturation conduction elements T when the triggering signal that after control end power-off, trigger end provides, provide working inverse voltage by storage capacitor C2 to relay coil J; Magnetism holding type relay Y3, for connection, the disconnection of control relay contact 3,4, connection, the off-state of relay contact 3,4 keep by permanent-magnet steel.
Wherein DC pulse generation and energy-storage units Y1 have utilized the charge characteristic of electric capacity to produce pulse voltage and have put on drive coil work on coil, and in the exemplary embodiments of this circuit, diode D selects 1N4005, and capacitor C 2 is 2200 μ F; Trigger and energy releasing unit Y2 has utilized the flash-over characteristic of electric capacity to apply reverse impulse voltage to coil to carry out drive coil work, in the exemplary embodiments of this circuit, saturation conduction elements T is selected controllable silicon BT151, triode BG selects 3DG12A, resistance R 1 resistance is 6.8-10k Ω, resistance R 2 resistances are 2.4-6.8k Ω, and capacitor C 1 is 1 μ F.
In the time that control end switches on power by 1 termination power "+", 2 termination powers "-", power supply applies a pulse voltage to relay coil J by diode D, capacitor C 2, makes relay coil J work, and product contact completes and is switched on or switched off conversion, now, triode BG conducting, by the trigger end ground connection of controllable silicon T, not conducting of controllable silicon T, power supply charges to C2 by D simultaneously, for relay coil J upset next time storage power, after capacitor C 2 is full of, whole circuit does not consume electric energy substantially; In the time that product needed disconnects, while being control end deenergization, due to triode BG cut-off, make the trigger end of controllable silicon T become high potential, controllable silicon T triggering and conducting, now, capacitor C 2 will be by controllable silicon T and the electric discharge of coil J loop, apply a reverse voltage so just to relay coil J, make relay coil J work, again completed the disconnection of product contact or connected conversion.
Because the technical program has been used suitable DC pulse generation and accumulator and triggering and energy release circuit, the collocation holding water by two unit, capacitor C 2 on the one hand adjustable DC pulse generation and accumulator unit meets the requirement of the coil working electric current of different relays, can meet again on the other hand the requirement of controlling magnetism holding type relay by common electromagnetic relay simple control mode, reach the control requirement of the specific bidirectional pulse of magnetism holding type relay coil.DC pulse generation in the technical program and energy-storage units and triggering and energy releasing unit also can be used for other self-locking type direct current relays, and main contacts often can be and opens, normally closed, conversion hysteria, and main contacts also can be with auxiliary contact.
Claims (2)
1. a magnetism holding type relay drive circuit, comprise that DC pulse produces and energy-storage units Y1 and triggering and energy releasing unit Y2, it is characterized in that: described DC pulse produces and energy-storage units circuit Y1 comprises diode D and capacitor C 2, diode D connects with capacitor C 2, one end is connected in control end "+" end, the other end is connected with coil J, triggering and energy releasing unit Y2 comprise saturation conduction elements T, triode BG, resistance R 1, R2 and capacitor C 1, saturation conduction elements T one end and R2 one end are parallel to the output of diode D and the input contact of capacitor C 2, the other end is in parallel with relay coil J and be connected to control end "-" end, the collector electrode of the trigger end of saturation conduction elements T and resistance R 2 other ends and triode BG, one end of capacitor C 1 connects, the other end of the emitter of triode BG and capacitor C 1 is connected in parallel in control end "-" end, resistance R 1 one end connects control end "+" end, another section is connected in the base stage of triode BG.
2. a kind of magnetism holding type relay drive circuit as claimed in claim 1, is characterized in that: described triggering and energy releasing unit Y2, its saturation conduction elements T be controllable silicon, can saturation conduction triode or one of IGBT element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320869049.1U CN203707030U (en) | 2013-12-26 | 2013-12-26 | Magnetic maintaining relay drive circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320869049.1U CN203707030U (en) | 2013-12-26 | 2013-12-26 | Magnetic maintaining relay drive circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203707030U true CN203707030U (en) | 2014-07-09 |
Family
ID=51057430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320869049.1U Expired - Lifetime CN203707030U (en) | 2013-12-26 | 2013-12-26 | Magnetic maintaining relay drive circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203707030U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105206475A (en) * | 2015-10-28 | 2015-12-30 | 哈尔滨工业大学 | Switch-controlled drive circuit for magnetic latching relay |
| CN105336541A (en) * | 2015-10-28 | 2016-02-17 | 哈尔滨工业大学 | Control circuit of magnetic latching relay |
-
2013
- 2013-12-26 CN CN201320869049.1U patent/CN203707030U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105206475A (en) * | 2015-10-28 | 2015-12-30 | 哈尔滨工业大学 | Switch-controlled drive circuit for magnetic latching relay |
| CN105336541A (en) * | 2015-10-28 | 2016-02-17 | 哈尔滨工业大学 | Control circuit of magnetic latching relay |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |