CN109599296A - A kind of starting control circuit and relay - Google Patents
A kind of starting control circuit and relay Download PDFInfo
- Publication number
- CN109599296A CN109599296A CN201910126868.9A CN201910126868A CN109599296A CN 109599296 A CN109599296 A CN 109599296A CN 201910126868 A CN201910126868 A CN 201910126868A CN 109599296 A CN109599296 A CN 109599296A
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- Prior art keywords
- winding
- control unit
- drive module
- driving unit
- relay
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
- H01H47/02—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay
Abstract
The present invention provides a kind of starting control circuit and relays, are related to new energy field.Starting control circuit includes control unit and driving unit, and driving unit is electrically connected with control unit, and driving unit is electrically connected with the first winding and the second winding respectively；Control unit is used to send enabling signal to driving unit, makes driving unit starting relay；Driving unit is also used to after receiving enabling signal, is also turned on the first winding and the second winding, is made contact closure, with starting relay, wherein the number of turns of the second winding is greater than the number of turns of the first winding；Control unit is also used to after relay starts, and sends connection signal to driving unit, remains up driving unit control relay；Driving unit is also used to after receiving connection signal, disconnects the first winding.In the present invention, it keeps contact to be attracted by lesser electric current after contact is attracted, realizes low-power consumption and contact is maintained to be attracted on state, reduce the energy consumption of relay.
Description
Technical field
The present invention relates to new energy fields, in particular to a kind of starting control circuit and relay.
Background technique
The high tension distribution system high Pressure Distribution Ways of new energy pure electric vehicle are real by control high voltage direct current relay on-off
Current electricity distribution, relay during the work time, allow relay around overcurrent high current for a long time, the temperature that relay itself generates
The semiconductor service life can be impacted by rising, while increase the power consumption of product.
Summary of the invention
The purpose of the present invention is to provide a kind of starting control circuits, can reduce energy consumption.
The purpose of the present invention is to provide a kind of relays, can reduce energy consumption.
The present invention provides a kind of technical solution:
A kind of starting control circuit, for controlling the relay starting with the first winding and the second winding, wherein described
First winding is connect with after second winding parallel with the contact of the relay, including control unit and driving unit, institute
It states driving unit to be electrically connected with the control unit, the driving unit and respectively first winding and second winding electricity
Connection；
Described control unit is used to send enabling signal to the driving unit, and the driving unit is made to start the relay
Device；
The driving unit is also used to after receiving the enabling signal, is also turned on first winding and described
Two windings make the contact closure, to start the relay, wherein the number of turns of second winding is greater than first winding
The number of turns；
Described control unit is also used to after the relay starts, and Xiang Suoshu driving unit sends connection signal, makes institute
The driving unit control relay is stated to remain up；
The driving unit is also used to after receiving the connection signal, disconnects first winding.
Further, in preferred embodiments of the present invention, the driving unit includes that the first drive module and second drive
Dynamic model block, first drive module are electrically connected with first winding, second drive module and second winding electricity
Connection is connect with described control unit after first drive module is in parallel with second drive module；
Described control unit is used to send the enabling signal to first drive module and second drive module,
First drive module is connected for controlling first winding after receiving the enabling signal, the second driving mould
Block is used to receive the enabling signal control the second winding connection；
Described control unit is used to send the connection signal to first drive module, and first drive module is used
It is disconnected in controlling second winding after receiving the connection signal.
Further, in preferred embodiments of the present invention, described control unit after sending the enabling signal,
The connection signal is sent after preset time.
Further, in preferred embodiments of the present invention, first drive module includes first switch tube, and described
One switching tube has first end, second end and third end, and the first end is electrically connected with the control unit, second termination
Ground, the third end are connect with first winding, after the first end receives the enabling signal, the second end with
The third end conducting, so that first winding be made to be connected with the contact.
Further, in preferred embodiments of the present invention, first drive module further includes first resistor group, described
First resistor group include the first dropping resistor and the first protective resistance, first protective resistance be connected on described control unit with
Between the first end, first dropping resistor one end is connected between first protective resistance and the first end, separately
One end ground connection.
Further, in preferred embodiments of the present invention, second drive module includes second switch, and described
Two switching tubes have the 4th end, the 5th end and the 6th end, and the 4th end is electrically connected with the control unit, the 5th termination
Ground, the 6th end are connect with second winding, when it is described 4th termination receive the enabling signal after, the 5th end with
The 6th end conducting, so that second winding be made to be connected with the contact.
Further, in preferred embodiments of the present invention, second drive module further includes second resistance group, described
Second resistance group include the second dropping resistor and the second protective resistance, second protective resistance be connected on described control unit with
Between 4th end, second dropping resistor one end is connected between second protective resistance and the 4th end, separately
One end ground connection.
Further, in preferred embodiments of the present invention, the starting control circuit further includes communication unit, described logical
Letter unit is connect with described control unit and an external equipment, for sending the real-time number of the relay to the external equipment
According to.
Further, in preferred embodiments of the present invention, the communication unit has the first communication ends, the second communication
End, the first connecting pin and second connection end, first connecting pin and the second connection end are connect with described control unit,
First communication ends are connect with an external interface respectively with second communication ends.
A kind of relay includes starting control circuit, the starting control circuit, has the first winding and for controlling
The relay of two windings starts, wherein connecting after first winding and second winding parallel with the contact of the relay
It connects, including control unit and driving unit, the driving unit is electrically connected with the control unit, the driving unit and difference
First winding and second winding electrical connection；
Described control unit is used to send enabling signal to the driving unit, and the driving unit is made to start the relay
Device；
The driving unit is also used to after receiving the enabling signal, is also turned on first winding and described
Two windings make the contact closure, to start the relay, wherein the number of turns of second winding is greater than first winding
The number of turns；
Described control unit is also used to after the relay starts, and Xiang Suoshu driving unit sends connection signal, makes institute
The driving unit control relay is stated to remain up；
The driving unit is also used to after receiving the connection signal, disconnects first winding.
Starting control circuit provided by the invention and the beneficial effect of relay are: starting control circuit includes control unit
And driving unit, driving unit are electrically connected with control unit, driving unit is electrically connected with the first winding and the second winding respectively；Control
Unit processed is used to send enabling signal to driving unit, makes driving unit starting relay；Driving unit is also used to receiving
After enabling signal, it is also turned on the first winding and the second winding, makes contact closure, with starting relay, wherein the second winding
The number of turns is greater than the number of turns of the first winding；Control unit is also used to after relay starts, and is sent connection signal to driving unit, is made
Driving unit control relay remains up；Driving unit is also used to after receiving connection signal, disconnects the first winding.
In the present invention, after control unit sends enabling signal to control unit, driving unit is also turned on the first winding
And second winding, pass through biggish electric current, contact closure at contact.After contact closure is stablized, control unit is to driving unit
Connection signal is sent, driving unit disconnects the first winding, and only the electric current at the second winding flows through contact, protects by lesser electric current
Hold contact actuation.In the present invention, it keeps contact to be attracted by lesser electric current after contact is attracted, realizes low-power consumption maintenance
Contact is attracted on state, reduces the energy consumption of relay.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the composition block diagram for the starting control circuit that the embodiment of the present invention one provides.
Fig. 2 is the composition block diagram of the driving unit for the starting control circuit that the embodiment of the present invention one provides.
Fig. 3 is the circuit diagram of the driving unit for the starting control circuit that the embodiment of the present invention one provides.
Fig. 4 is the circuit diagram of the communication unit for the starting control circuit that the embodiment of the present invention one provides.
Icon: 100- starts control circuit；110- control unit；120- driving unit；The first drive module of 122-；
1222- first switch tube；1224- first resistor group；The first dropping resistor of 1226-；The first protective resistance of 1228-；124- second
Drive module；1242- second switch；1244- second resistance group；The second dropping resistor of 1246-；The second protective resistance of 1248-；
130- communication unit.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it is to be understood that, term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, or be somebody's turn to do
Invention product using when the orientation or positional relationship usually put or those skilled in the art orientation or position that usually understand
Relationship is set, is merely for convenience of description of the present invention and simplification of the description, rather than the equipment of indication or suggestion meaning or element are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, it is not understood to indicate or imply
Relative importance.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
Embodiment one
Referring to Fig. 1, a kind of starting control circuit 100 is present embodiments provided, starting control electricity provided in this embodiment
Road 100 can reduce energy consumption.
Starting control circuit 100 provided in this embodiment is mainly used for controlling relay closure, and wherein relay includes the
One winding, the second winding and contact, the first winding are connect with after the second winding parallel with contact, and the contact of relay is being attracted wink
Between need biggish electric current, only need lesser electric current when remaining closed after the completion of being attracted.
In the present embodiment, starting control circuit 100 includes control unit 110 and driving unit 120, driving unit 120
It is electrically connected with control unit 110, driving unit 120 is electrically connected with the first winding and the second winding respectively；
Control unit 110 is used to send enabling signal to driving unit 120, makes 120 starting relay of driving unit；
Driving unit 120 is also used to after receiving enabling signal, is also turned on the first winding and the second winding, is made contact
Closure, with starting relay, wherein the number of turns of the second winding is greater than the number of turns of the first winding；
Control unit 110 is also used to after relay starts, and is sent connection signal to driving unit 120, is made driving unit
120 control relays remain up；
Driving unit 120 is also used to after receiving connection signal, disconnects the first winding.
In the present embodiment, after control unit 110 sends enabling signal to control unit 110, driving unit 120 connects simultaneously
Lead to the first winding and the second winding, passes through biggish electric current, contact closure at contact.After contact closure is stablized, control unit
110 send connection signal to driving unit 120, and driving unit 120 disconnects the first winding, and only the electric current at the second winding flows through touching
Point keeps contact to be attracted by lesser electric current.In the present embodiment, contact is kept by lesser electric current after contact is attracted
It is attracted, realizes low-power consumption and contact is maintained to be attracted on state, reduce the energy consumption of relay.
Please refer to figs. 2 and 3, and in the present embodiment, driving unit 120 includes the first drive module 122 and the second driving
Module 124, the first drive module 122 are electrically connected with the first winding, and the second drive module 124 is electrically connected with the second winding, and first
It is connect with control unit 110 after drive module 122 and 124 parallel connection of the second drive module；
Control unit 110 is used to send enabling signal to the first drive module 122 and the second drive module 124, and first drives
Dynamic model block 122 is used to open receiving for controlling the connection of the first winding, the second drive module 124 after receiving enabling signal
Dynamic signal controls the second winding and connects；
Control unit 110 is used to send connection signal to the first drive module 122, and the first drive module 122 is for connecing
The disconnection of the second winding is controlled after receiving connection signal.
In the present embodiment, control unit 110 is opened to the first drive module 122 and the transmission of the second drive module 124 simultaneously
Dynamic signal, the first drive module 122 connect the first winding after receiving enabling signal, and the second drive module 124 is receiving
After enabling signal, the second winding is connected.First winding and the second winding are also turned on, by contact electric current be the first winding and
The sum of the electric current of second winding, biggish electric current are attracted contact, relay starting.After contact, which is attracted, stablizes.Control unit
110 send connection signal to the first winding, and the first drive module 122 disconnects the first winding, and the electric current of only the second winding enters
Contact remains closed contact by lesser electric current.
In the present embodiment, the number of turns of the number of turns of the first winding less than the second winding, that is to say, that when the first winding and
When two winding parallels, the electric current by the second winding is greater than by the electric current of the first winding.
In the present embodiment, contact is about 2.3A being attracted immediate current, and attracting state is kept only to need 0.3A, when contact is inhaled
After conjunction, the first winding can be disconnected, only the second winding can make contact keep being attracted.
In the present embodiment, control unit 110 sends connection signal after sending enabling signal after preset time.
In the present embodiment, the response delay that contact is attracted and disconnects is longer, when needing to keep default after contact is attracted
Between, it is attracted contact and stablizes.After contact, which is attracted, stablizes, the first winding is disconnected, only makes the second contact with the electric current of the second winding
It keeps being attracted.
In the present embodiment, preset time 100ms.
In the present embodiment, the first drive module 122 includes first switch tube 1222, and first switch tube 1222 has first
End, second end and third end, first end are electrically connected with control unit 110, and second end ground connection, third end is connect with the first winding,
After first end receives enabling signal, second end is connected with third end, so that the first winding be made to be connected with contact.
In the present embodiment, first switch tube 1222 is metal-oxide-semiconductor, wherein first end is the pole G1, and second end is the pole S1, the
Three ends are the pole N1, and when control unit 110 is to the pole G1 input enabling signal, the pole G1 receives high level, to make the pole S1 and the pole N
Conducting, the conducting of the first winding earth.
In the present embodiment, the first drive module 122 further includes first resistor group 1224, and first resistor group 1224 includes the
One dropping resistor 1226 and the first protective resistance 1228, the first protective resistance 1228 be connected on control unit 110 and first end it
Between, 1226 one end of the first dropping resistor is connected between the first protective resistance 1228 and first end, other end ground connection.
In the present embodiment, the first protective resistance 1228 is connected between control unit 110 and the pole G1, can be single in control
It plays a protective role when member 110 is to the pole G1 input high level to the pole G1, prevents voltage spikes, damage the pole G1.
In the present embodiment, one end of the first dropping resistor 1226 be connected to the first protective resistance 1228 and first end it
Between, other end ground connection makes the voltage of the pole G1 be consistently higher than S1 pole tension, enables the pole S1 and the pole N1 when high level is accessed in the pole G1
Enough conductings.
In the present embodiment, the second drive module 124 includes second switch 1242, and second switch 1242 has the 4th
End, the 5th end and the 6th end, the 4th end are electrically connected with control unit 110, and the 5th end ground connection, the 6th end is connect with the second winding,
After the 4th termination receives enabling signal, the 5th end is connected with the 6th end, so that the second winding be made to be connected with contact.
In the present embodiment, second switch 1242 is metal-oxide-semiconductor, wherein the 4th end is the pole G2, and the 5th end is the pole S2, the
Six ends are the pole N2, and when control unit 110 is to the pole G2 input enabling signal, the pole G2 receives high level, to make the pole S2 and the pole N
Conducting, the conducting of the second winding earth.
In the present embodiment, the second drive module 124 further includes second resistance group 1244, and second resistance group 1244 includes the
Two dropping resistors 1246 and the second protective resistance 1248, the second protective resistance 1248 be connected on control unit 110 and the 4th end it
Between, 1246 one end of the second dropping resistor is connected between the second protective resistance 1248 and the 4th end, other end ground connection.
In the present embodiment, the second protective resistance 1248 is connected between control unit 110 and the pole G2, can be single in control
It plays a protective role when member 110 is to the pole G2 input high level to the pole G2, prevents voltage spikes, damage the pole G2.
In the present embodiment, one end of the second dropping resistor 1246 be connected to the second protective resistance 1248 and the 4th end it
Between, other end ground connection makes the voltage of the pole G2 be consistently higher than S2 pole tension, enables the pole S2 and the pole N2 when high level is accessed in the pole G2
Enough conductings.
Referring to Fig. 4, in the present embodiment, starting control circuit 100 further includes communication unit 130, communication unit 130 with
Control unit 110 and external equipment connection, for the real time data to external equipment sending filter, enable external equipment
The working condition of relay is understood in real time.
In the present embodiment, communication unit 130 has the first communication ends, the second communication ends, the first connecting pin and the second company
End is connect, the first connecting pin and second connection end are connect with control unit 110, and the first communication ends and the second communication ends are respectively with one
External interface connection.
In the present embodiment, the first communication ends are CANH, and the second communication ends are CANL.
In the present embodiment, when relay is in running order, the anti-interference ability in view of relay, communication are needed
Unit 130 directly hangs over the relay in the CAN network of peripheral apparatus by the first communication ends and the second communication ends, CAN net
Network interface is exported by common mode inductance, plug-in TVS pipe in bus, and multiple relays of external equipment use identical communication protocols
View carries out independent and synchronously control to each relay by the way of address, data, verification.
In the present embodiment, control unit 110 is the control chip with CAN interface.
In conclusion starting control circuit 100 provided in this embodiment, in the present embodiment, control unit 110 is to control
After unit 110 sends enabling signal, driving unit 120 is also turned on the first winding and the second winding, passes through at contact biggish
Electric current, contact closure.After contact closure is stablized, control unit 110 sends connection signal, driving unit to driving unit 120
120 disconnect the first winding, and only the electric current at the second winding flows through contact, keep contact to be attracted by lesser electric current.In this reality
It applies in example, keeps contact to be attracted by lesser electric current after contact is attracted, realize low-power consumption and contact is maintained to be attracted conducting shape
State reduces the energy consumption of relay.
Embodiment two
A kind of relay is present embodiments provided, relay provided in this embodiment can reduce energy consumption.
In order to briefly describe, the present embodiment does not refer to place, can refer to embodiment one.
In the present embodiment, relay includes opening for contact, the first winding, the second winding, ontology and the offer of embodiment one
Dynamic control circuit 100.Starting control circuit 100 is integrated in ontology.
In the present embodiment, starting control circuit 100 is integrated in body interior, makes have communication and control inside relay
Function reduces cost and improves space utilization rate in use, can save BMS master control on high-tension distribution box.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of starting control circuit, which is characterized in that for controlling the relay starting with the first winding and the second winding,
Wherein first winding is connect with after second winding parallel with the contact of the relay, the starting control circuit packet
Control unit and driving unit are included, the driving unit is electrically connected with the control unit, described in the driving unit and difference
First winding and second winding electrical connection；
Described control unit is used to send enabling signal to the driving unit, and the driving unit is made to start the relay；
The driving unit is also used to after receiving the enabling signal, be also turned on first winding and described second around
Group makes the contact closure, to start the relay, wherein the number of turns of second winding is greater than the circle of first winding
Number；
Described control unit is also used to after the relay starts, and Xiang Suoshu driving unit sends connection signal, makes the drive
Moving cell controls the relay and remains up；
The driving unit is also used to after receiving the connection signal, disconnects first winding.
2. starting control circuit according to claim 1, which is characterized in that the driving unit includes the first drive module
And second drive module, first drive module are electrically connected with first winding, second drive module and described the
The electrical connection of two windings is connect with described control unit after first drive module is in parallel with second drive module；
Described control unit is used to send the enabling signal to first drive module and second drive module, described
First drive module is connected for controlling first winding after receiving the enabling signal, and second drive module is used
In connecting receiving the enabling signal and control second winding；
Described control unit is used to send the connection signal to first drive module, and first drive module is used for
The second winding disconnection is controlled after receiving the connection signal.
3. starting control circuit according to claim 2, which is characterized in that described control unit is sending the starting letter
After number, the connection signal is sent after preset time.
4. starting control circuit according to claim 2, which is characterized in that first drive module includes first switch
Pipe, the first switch tube have first end, second end and third end, and the first end is electrically connected with the control unit, institute
Second end ground connection is stated, the third end is connect with first winding, after the first end receives the enabling signal, institute
It states second end to be connected with the third end, so that first winding be made to be connected with the contact.
5. starting control circuit according to claim 4, which is characterized in that first drive module further includes the first electricity
Resistance group, the first resistor group include the first dropping resistor and the first protective resistance, and first protective resistance is connected on described
Between control unit and the first end, first dropping resistor one end is connected to first protective resistance and described first
Between end, other end ground connection.
6. starting control circuit according to claim 2, which is characterized in that second drive module includes second switch
Pipe, the second switch have the 4th end, the 5th end and the 6th end, and the 4th end is electrically connected with the control unit, institute
The 5th end ground connection is stated, the 6th end is connect with second winding, after the 4th termination receives the enabling signal, institute
It states the 5th end to be connected with the 6th end, so that second winding be made to be connected with the contact.
7. starting control circuit according to claim 6, which is characterized in that second drive module further includes the second electricity
Resistance group, the second resistance group include the second dropping resistor and the second protective resistance, and second protective resistance is connected on described
Between control unit and the 4th end, second dropping resistor one end is connected to second protective resistance and the described 4th
Between end, other end ground connection.
8. starting control circuit according to claim 1, which is characterized in that the starting control circuit further includes communication unit
Member, the communication unit are connect with described control unit and an external equipment, for sending the relay to the external equipment
The real time data of device.
9. starting control circuit according to claim 8, which is characterized in that the communication unit have the first communication ends,
Second communication ends, the first connecting pin and second connection end, first connecting pin and the second connection end with the control
Unit connection, first communication ends are connect with an external interface respectively with second communication ends.
10. a kind of relay, which is characterized in that including the described in any item starting control circuits of such as claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910126868.9A CN109599296A (en) | 2019-02-20 | 2019-02-20 | A kind of starting control circuit and relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910126868.9A CN109599296A (en) | 2019-02-20 | 2019-02-20 | A kind of starting control circuit and relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109599296A true CN109599296A (en) | 2019-04-09 |
Family
ID=65967496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910126868.9A Pending CN109599296A (en) | 2019-02-20 | 2019-02-20 | A kind of starting control circuit and relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109599296A (en) |
-
2019
- 2019-02-20 CN CN201910126868.9A patent/CN109599296A/en active Pending
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