CN205769125U - A kind of power cut off delay power supply source - Google Patents
A kind of power cut off delay power supply source Download PDFInfo
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- CN205769125U CN205769125U CN201620563277.XU CN201620563277U CN205769125U CN 205769125 U CN205769125 U CN 205769125U CN 201620563277 U CN201620563277 U CN 201620563277U CN 205769125 U CN205769125 U CN 205769125U
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- power
- delay
- power supply
- supply source
- relay
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Abstract
The utility model discloses a kind of power cut off delay power supply source, including: key switch, power-off delay relay, the first catalyst, diode, DC source；The relay coil portion of power-off delay relay is linked to be loop by key switch and DC source, the first coil portion of the first catalyst is linked to be loop by the relay contacts portion of power-off delay relay with DC source, the positive pole of diode is connected to one end being connected to relay coil portion of key switch, the negative pole of diode is connected to one end being connected to relay contacts portion of first coil portion, and it is first extreme that the first contact portion of the first catalyst is connected to power cut off delay power supply source.This utility model efficiently solves the technical problem that the circuit reliability of existing control chassis main power power-on and power-off is poor, and then improves the circuit reliability of main power power-on and power-off, normally works meeting each electrical appliance on car.
Description
Technical field
This utility model relates to electronic control technology field, particularly relates to a kind of power cut off delay power supply source.
Background technology
Off-road vehicle chassis many outfits electric-control motor and automatic gear-box, the ECU of electric-control motor at present
(Electronic Control Unit, electronic control unit) and TCU (the Transmission Control of automatic gear-box
Unit, automatic gear-box control unit) there is data storage function, it is desirable to car load after a loss of power can the time delay some time (about
30～about 60s) so that completing data storing work, it is therefore necessary to power-off delay relay is installed.
The main power on chassis is by key controller power-off delay relay coil, time-delay relay contact in power supply circuits
And then control positive and negative electrode contactor coil thus realize car load and twist key to ON shelves and power on, return electricity under OFF shelves time delay some seconds
's.Therefore, time-delay relay is the most crucial to car load main power power-on and power-off, once goes wrong, and can affect car load and power normally
Or the data storage of control unit.
But start back contact because time-delay relay vulnerability to jamming is poor, in use appear in electromotor to disconnect in short-term
200ms～500ms, causes catalyst also power-off, causes car load power supply power-fail 200ms～500ms, thus affects program control power taking dress
Put the phenomenon of automatic flow.Therefore, the circuit reliability only leaning on time-delay relay control chassis main power power-on and power-off is poor.
Utility model content
This utility model embodiment, by providing a kind of power cut off delay power supply source, solves on the main power of existing control chassis
The technical problem that the circuit reliability of lower electricity is poor.
The power cut off delay power supply source that this utility model embodiment provides, including: key switch, power-off delay relay, the
One catalyst, diode, DC source；The relay coil portion of described power-off delay relay passes through described key switch with described
DC source is linked to be loop, the first coil portion of the described first catalyst relay contacts portion by described power-off delay relay
Being linked to be loop with described DC source, what the positive pole of described diode was connected to described key switch is connected to described relay coil
The one end in portion, the negative pole of described diode is connected to one end being connected to described relay contacts portion of described first coil portion, institute
State the first contact portion of the first catalyst and be connected to the first extreme of described power cut off delay power supply source.
Preferably, described power cut off delay power supply source also includes: the second catalyst；Second coil portion of described second catalyst
Being linked to be loop by described relay contacts portion with described DC source, the second contact portion of described second catalyst is connected to described
The second of power cut off delay power supply source is extreme；Wherein, described first when being extremely the positive terminal of described power cut off delay power supply source, described
Second is extremely the negative pole end of described power cut off delay power supply source, and described second is extremely the positive terminal of described power cut off delay power supply source
Time, described first is extremely the negative pole end of described power cut off delay power supply source.
Preferably, described power cut off delay power supply source also includes: the first safeguard；Described first safeguard is connected to described disconnected
The positive terminal of electricity time delay power supply source.
Preferably, described power cut off delay power supply source also includes: the second safeguard；Described second safeguard continues described in being connected to
One end of the positive pole being connected to described DC source in electric contact portion.
Preferably, described power cut off delay power supply source also includes: the 3rd safeguard；Described 3rd safeguard is connected to described key
One end of the positive pole being connected to described DC source of spoon switch.
Preferably, described DC source includes at least one-level accumulator series connection.
Preferably, the negative pole end ground connection of described power cut off delay power supply source.
The one or more technical schemes provided in this utility model embodiment, at least have the following technical effect that or excellent
Point:
This utility model embodiment is connected to the one of relay coil portion by what the positive pole of diode was connected to key switch
End, the circuit of one end being connected to relay contacts portion that the negative pole of diode is connected to first coil portion provides redundant circuit,
Thus the car load power supply that this utility model provides is in addition to DC source is powered to car load by power-off delay relay, directly
Stream power supply can also be powered to car load by key switch, diode place, thus when key switch S1 is in ON shelves, even if
The relay contacts portion of power-off delay relay because of power-off delay relay problem the short time disconnect time, also can by key switch,
Diode circuit is powered to car load, thus continues to power to car load reliably, efficiently solves on the main power of existing control chassis
The technical problem that the circuit reliability of lower electricity is poor, and then improve the circuit reliability of main power power-on and power-off, to meet on car
Each electrical appliance normally works.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, the accompanying drawing in describing below is only
It is embodiment of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawing can be obtained according to the accompanying drawing provided.
Fig. 1 is the circuit diagram of power cut off delay power supply source in this utility model embodiment.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, new below in conjunction with this practicality
Accompanying drawing in type embodiment, is clearly and completely described the technical scheme in this utility model embodiment, it is clear that retouched
The embodiment stated is a part of embodiment of this utility model rather than whole embodiments.Based on the enforcement in this utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into
The scope of this utility model protection.
The power cut off delay power supply source that this utility model embodiment provides is applied to car load and powers, certain specific implementation process
In, the power cut off delay power supply source that this utility model embodiment provides can also be applied to other needs what power cut off delay powered to set
Standby.
Embodiment one
Shown in this reference Fig. 1, the power cut off delay power supply source that the present embodiment one provides includes: key switch S1, power cut off delay
Relay, the first catalyst, diode D1, DC source.
Power-off delay relay includes relay coil portion K11 and relay contacts portion K12, and the first catalyst includes first coil
Portion K21 and the first contact portion K22.
The relay coil portion K11 of power-off delay relay is linked to be loop by key switch S1 with DC source, and first connects
First coil portion K21 of tentaculum is linked to be loop, diode by the relay contacts portion K12 of power-off delay relay with DC source
The positive pole of D1 is connected to one end being connected to relay coil portion K11 of key switch S1, and the negative pole of diode D1 is connected to first
One end being connected to relay contacts portion K12 of coil portion K21, the first contact portion K22 of the first catalyst is connected to power cut off delay
The first of power supply source is extreme.
When key switch S1 is in ON shelves (ON shelves include 1 grade or 2 grades), DC source S1 is to power-off delay relay
Relay coil portion K11 is energized；The relay contacts portion K12 that can make power-off delay relay closes, and DC source S1 also can be through simultaneously
Cross key switch S1 and first coil portion K21 that diode D1 is the first catalyst is powered so that the first of the first catalyst touches
Point portion K22 closes, thus car load powers on；When key switch S1 returns to 0 grade, the relay coil portion K11 of power-off delay relay
Power-off, disconnects after making the relay contacts portion K12 delay adjustments delay time of power-off electric time-delay relay, and then makes the first catalyst
First coil portion K21 dead electricity, the first contact portion K22 of the first catalyst can disconnect, thus under car load electricity.
Concrete, first is extremely positive terminal or the negative pole end of power cut off delay power supply source.
Concrete, the relay coil portion K11 of power-off delay relay is linked to be loop by key switch S1 with DC source
For: the current input terminal of relay coil portion K11 is connected with the static electric shock end of key switch S1, and the electric current of relay coil portion K11 is defeated
Going out end to be connected with the negative pole of DC source, the dynamic electric shock end of key switch S1 is connected with the positive pole of DC source.
Concrete, first coil portion K21 of the first catalyst passes through the relay contacts portion K12 of power-off delay relay with straight
Stream power supply is linked to be loop and is: the current input terminal of first coil portion K21 is connected with the stationary contact end of relay contacts portion K12, relay
The movable contact end of contact portion K12 is connected with the positive pole of DC source, the current output terminal of first coil portion K21 and DC source
Negative pole is connected.
Embodiment two
With reference to shown in Fig. 1, the power cut off delay power supply source that the present embodiment two provides includes: key switch S1, power cut off delay continues
Electrical equipment, the first catalyst, the second catalyst, diode D1, DC source.
The relay coil portion K11 of power-off delay relay is linked to be loop by key switch S1 with DC source, and first connects
First coil portion K21 of tentaculum is linked to be loop, diode by the relay contacts portion K12 of power-off delay relay with DC source
The positive pole of D1 is connected to one end being connected to relay coil portion K11 of key switch S1, and the negative pole of diode D1 is connected to first
One end being connected to relay contacts portion K12 of coil portion K21, the first contact portion K22 of the first catalyst is connected to power cut off delay
The first of power supply source is extreme.
Second coil portion K31 of the second catalyst is linked to be loop by relay contacts portion K12 with DC source, the second contact
It is second extreme that second contact portion K32 of device is connected to power cut off delay power supply source.Wherein, first is extremely power cut off delay power supply source
Positive terminal time, second is extremely the negative pole end of power cut off delay power supply source；First is extremely the negative pole end of power cut off delay power supply source
Time, second is extremely the positive terminal of power cut off delay power supply source.
Power-off delay relay includes relay coil portion K11 and relay contacts portion K12, and the first catalyst includes first coil
Portion K21 and the first contact portion K22, the second catalyst includes the second coil portion K31 and the second contact portion K32.
When key switch S1 is in ON shelves (ON shelves include 1 grade or 2 grades), DC source S1 is to power-off delay relay
Relay coil portion K11 is energized；The relay contacts portion K12 that can make power-off delay relay closes, and DC source S1 also can be through simultaneously
Crossing key switch S1 and diode D1 is that first coil portion K21, the second coil portion K31 power so that the first contact portion K22,
Two contact portion K32 all close, thus car load powers on；When key switch S1 returns to 0 grade, the relay coil of power-off delay relay
Portion's K11 power-off, disconnects after making the relay contacts portion K12 delay adjustments delay time of power-off electric time-delay relay, and then makes first
Coil portion K21, the second equal dead electricity of coil portion K31, thus the first contact portion K22 of the first catalyst can disconnect and make electricity under car load.
Concrete, the relay coil portion K11 of power-off delay relay is linked to be loop by key switch S1 with DC source
For: the current input terminal of relay coil portion K11 is connected with the static electric shock end of key switch S1, and the electric current of relay coil portion K11 is defeated
Going out end to be connected with the negative pole of DC source, the dynamic electric shock end of key switch S1 is connected with the positive pole of DC source.
Concrete, first coil portion K21 of the first catalyst passes through the relay contacts portion K12 of power-off delay relay with straight
Stream power supply is linked to be loop and is: the current input terminal of first coil portion K21 is connected with the stationary contact end of relay contacts portion K12, relay
The movable contact end of contact portion K12 is connected with the positive pole of DC source, the current output terminal of first coil portion K21 and DC source
Negative pole is connected.
Concrete, the second coil portion K31 of the second catalyst passes through the relay contacts portion K12 of power-off delay relay with straight
Stream power supply is linked to be loop and is: the current input terminal of the second coil portion K31 is connected with the stationary contact end of relay contacts portion K12, relay
The movable contact end of contact portion K12 is connected with the positive pole of DC source, the current output terminal of the second coil portion K31 and DC source
Negative pole is connected.
Further, in conjunction with above-described embodiment one or embodiment two, the power cut off delay that this utility model embodiment provides supplies
Power supply also includes that the first safeguard F0, the first safeguard F0 are connected to the positive pole of power cut off delay power supply source, it is achieved provide for car load
Safeguard protection.
Further, in conjunction with above-described embodiment one or embodiment two, the power cut off delay that this utility model embodiment provides supplies
Power supply also includes that the second safeguard F1, the second safeguard F1 are connected to the positive pole being connected to DC source of relay contacts portion K12
One end, it is achieved for first loop, catalyst place provide safeguard protection.
Further, in conjunction with above-described embodiment one or embodiment two, the power cut off delay that this utility model embodiment provides supplies
Power supply also includes that the 3rd safeguard F2, the 3rd safeguard F2 are connected to one end being connected to DC source of key switch S1, for
Loop, key switch S1 place provides safeguard protection.
Concrete, DC source includes that at least one-level accumulator is cascaded, in specific implementation process, such as Fig. 1 institute
Showing, DC source is that two joint accumulator G1, G2 are in series.
Concrete, the negative pole end ground connection of the power cut off delay power supply source that this utility model embodiment provides, to be grounded guarantor
Protect.
The one or more technical schemes provided in this utility model embodiment, at least have the following technical effect that or excellent
Point:
This utility model embodiment is connected to the one of relay coil portion by what the positive pole of diode was connected to key switch
End, the circuit of one end being connected to relay contacts portion that the negative pole of diode is connected to first coil portion provides redundant circuit,
Thus the car load power supply that this utility model provides is in addition to DC source is powered to car load by power-off delay relay, directly
Stream power supply can also be powered to car load by key switch, diode place, thus when key switch S1 is in ON shelves, even if
The relay contacts portion of power-off delay relay because of power-off delay relay problem the short time disconnect time, also can by key switch,
Diode circuit is powered to car load, thus continues to power to car load reliably, efficiently solves on the main power of existing control chassis
The technical problem that the circuit reliability of lower electricity is poor, and then improve the circuit reliability of main power power-on and power-off, to meet on car
Each electrical appliance normally works.
Although having been described for preferred embodiment of the present utility model, but those skilled in the art once knowing substantially
Creative concept, then can make other change and amendment to these embodiments.So, claims are intended to be construed to bag
Include preferred embodiment and fall into all changes and the amendment of this utility model scope.
Obviously, those skilled in the art can carry out various change and modification without deviating from this practicality to this utility model
Novel spirit and scope.So, if of the present utility model these amendment and modification belong to this utility model claim and
Within the scope of its equivalent technologies, then this utility model is also intended to comprise these change and modification.
Claims (7)
1. a power cut off delay power supply source, it is characterised in that including: key switch, power-off delay relay, the first catalyst,
Diode, DC source；
The relay coil portion of described power-off delay relay is linked to be loop by described key switch and described DC source, described
The first coil portion of the first catalyst is linked to be back with described DC source by the relay contacts portion of described power-off delay relay
Road, the positive pole of described diode is connected to one end being connected to described relay coil portion of described key switch, described diode
Negative pole be connected to one end being connected to described relay contacts portion of described first coil portion, the first of described first catalyst touches
It is first extreme that some portion is connected to described power cut off delay power supply source.
2. power cut off delay power supply source as claimed in claim 1, it is characterised in that described power cut off delay power supply source also includes: the
Two catalysts；
Second coil portion of described second catalyst is linked to be loop by described relay contacts portion and described DC source, and described the
It is second extreme that second contact portion of two catalysts is connected to described power cut off delay power supply source；
Wherein, described first when being extremely the positive terminal of described power cut off delay power supply source, and described second extremely prolongs for described power-off
Time power supply source negative pole end, described second when be extremely the positive terminal of described power cut off delay power supply source, and described first is extreme for institute
State the negative pole end of power cut off delay power supply source.
3. power cut off delay power supply source as claimed in claim 2, it is characterised in that described power cut off delay power supply source also includes: the
One safeguard；
Described first safeguard is connected to the positive terminal of described power cut off delay power supply source.
4. power cut off delay power supply source as claimed in claim 2, it is characterised in that described power cut off delay power supply source also includes: the
Two safeguards；
Described second safeguard is connected to one end of the positive pole being connected to described DC source in described relay contacts portion.
5. power cut off delay power supply source as claimed in claim 2, it is characterised in that described power cut off delay power supply source also includes: the
Three safeguards；
Described 3rd safeguard is connected to one end of the positive pole being connected to described DC source of described key switch.
6. power cut off delay power supply source as claimed in claim 2, it is characterised in that described DC source includes at least one-level electric power storage
Connect in pond.
7. power cut off delay power supply source as claimed in claim 2, it is characterised in that the negative pole termination of described power cut off delay power supply source
Ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620563277.XU CN205769125U (en) | 2016-06-12 | 2016-06-12 | A kind of power cut off delay power supply source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620563277.XU CN205769125U (en) | 2016-06-12 | 2016-06-12 | A kind of power cut off delay power supply source |
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| Publication Number | Publication Date |
|---|---|
| CN205769125U true CN205769125U (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620563277.XU Active CN205769125U (en) | 2016-06-12 | 2016-06-12 | A kind of power cut off delay power supply source |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112835314A (en) * | 2021-01-04 | 2021-05-25 | 东风汽车股份有限公司 | Fire engine time delay outage control system |
| CN113820947A (en) * | 2020-06-19 | 2021-12-21 | 北京国电思达科技有限公司 | Control logic of cooling fan of converter module of wind turbine generator |
-
2016
- 2016-06-12 CN CN201620563277.XU patent/CN205769125U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113820947A (en) * | 2020-06-19 | 2021-12-21 | 北京国电思达科技有限公司 | Control logic of cooling fan of converter module of wind turbine generator |
| CN112835314A (en) * | 2021-01-04 | 2021-05-25 | 东风汽车股份有限公司 | Fire engine time delay outage control system |
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| GR01 | Patent grant |