CN208971219U - DC power system battery crossover assembly - Google Patents
DC power system battery crossover assembly Download PDFInfo
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- CN208971219U CN208971219U CN201822007730.0U CN201822007730U CN208971219U CN 208971219 U CN208971219 U CN 208971219U CN 201822007730 U CN201822007730 U CN 201822007730U CN 208971219 U CN208971219 U CN 208971219U
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- 230000005611 electricity Effects 0.000 claims abstract description 4
- 239000003990 capacitor Substances 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 abstract description 4
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 230000008771 sex reversal Effects 0.000 description 1
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Abstract
The utility model discloses DC power system battery crossover assemblies, belong to apparatus of electrical monitoring equipment technical field, after control terminal, that is, I/O port output high level of single-chip microcontroller, second resistance R2 is with 3rd resistor R3 due to partial pressure of connecting, the base voltage of the first triode Q1 is lower than emitter voltage at this time, first triode Q1 conducting, the load capacity of single-chip microcontroller control terminal is improved by the enabled circuit of the part, the base stage of subsequent second triode Q2 powers on, second triode Q2 conducting, so that the coil of relay KM powers on, by the common driving for enabling module and switch module, the load capacity of single-chip microcontroller can either be improved, the controlled accuracy of switch module is improved again, in turn ensure that the relay KM coil of relatively high power can be connected smoothly, realize no-delay bridging, guarantee that battery group uninterruptedly supplies Electricity effectively avoids the occurrence of DC bus power loss, protective device tripping, more securely and reliably.
Description
Technical field
The utility model belongs to apparatus of electrical monitoring equipment technical field, is related to DC power system battery crossover assembly.
Background technique
Battery after running for a period of time, always has Individual cells and the phenomenon that internal resistance is higher, capacity is relatively low occurs, due to
The unsuitable long-time storage of battery, buys replacement from application and generally requires the long period, these deterioration battery long-plays
It even also will cause " inside open circuit ".All batteries of each battery group are to be connected in series, any one battery is opened
Road, where whole battery current circuit will disconnect, by cause DC bus power loss, protective device tripping it is serious
Consequence.Therefore a kind of battery crossover assembly is needed.
Summary of the invention
The utility model in order to overcome the drawbacks of the prior art, devises DC power system battery crossover assembly, when
When battery pack open circuit, battery crossover assembly can be connected across on the battery no-delayly automatically, between guaranteeing battery group not
Cut-off electricity, effectively avoids the occurrence of DC bus power loss, protective device tripping, more securely and reliably.
The specific technical solution that the utility model is taken is: DC power system battery crossover assembly, including monolithic
Machine, bridge circuit and circuit for alarming, the input terminal of single-chip microcontroller and the output end of bridge circuit connect, the control terminal and police of single-chip microcontroller
Telegraph circuit connection, key are: the circuit for alarming includes driving circuit and alarm, and driving circuit is controlled by relay KM
Alarm on-off processed, driving circuit include enabled module and switch module, enabled module include the first resistor R1 being sequentially connected in series,
Second resistance R2,3rd resistor R3 and the first triode Q1, the first resistor R1 are serially connected in the control terminal of single-chip microcontroller, third
Resistance R3 is connect with the base stage of the first triode Q1, second resistance R2 and the 3rd resistor R3 node concatenated and the first triode Q1
Emitter connection, the collector of the first triode Q1 connect with switch module；
Switch module includes the 4th resistance R4, the 5th resistance R5 and the second triode Q2 being sequentially connected in series, the 4th resistance R4
It is connect with the collector of the first triode Q1, the 5th resistance R5 is connect with the base stage of the second triode Q2, the second triode Q2's
Emitter ground connection, is in series with the coil of relay KM between the collector and power supply of the second triode Q2.
The bridge circuit include bridging diode D1 and with bridging the concatenated current sensor of diode D1, it is described
Single-chip microcontroller is electrically connected with the output end of current sensor.
The first triode Q1 is PNP type triode, and the second triode Q2 is NPN type triode.
The second resistance R2 concatenates the series circuit to be formed with 3rd resistor R3 and is also parallel with first capacitor C1.
The 5th resistance R5 connects between the connecting node of the 4th resistance R4 and the emitter of the second triode Q2
There is the second capacitor C2, the coil of relay KM is also parallel with the second diode D2, the conducting direction and relay of the second diode D2
The current direction of device KM is oppositely arranged.
The beneficial effects of the utility model are: list can either be improved by the common driving of enabled module and switch module
The load capacity of piece machine, and the controlled accuracy of switch module is improved, in turn ensure the relay KM coil energy of relatively high power
It is enough smoothly to connect, it realizes no-delay bridging, guarantees battery group uninterrupted power supply, effectively avoid DC bus power loss, protection dress
The occurrence of setting tripping, more securely and reliably.
Detailed description of the invention
Fig. 1 is the schematic diagram of circuit for alarming in the utility model.
Fig. 2 is the schematic diagram of bridge circuit in the utility model.
In attached drawing, 1 represents single-chip microcontroller, and 2 represent current sensor, and 3 represent alarm.
Specific embodiment
It elaborates in the following with reference to the drawings and specific embodiments to the utility model:
Specific embodiment, as depicted in figs. 1 and 2, DC power system battery crossover assembly, including single-chip microcontroller 1, bridging
Circuit and circuit for alarming, the input terminal of single-chip microcontroller 1 and the output end of bridge circuit connect, the control terminal of single-chip microcontroller 1 and alarm electricity
Road connection, the circuit for alarming include driving circuit and alarm 3, and driving circuit is logical by relay KM control alarm 3
Disconnected, driving circuit includes enabled module and switch module, enabled module include the first resistor R1 being sequentially connected in series, second resistance
R2,3rd resistor R3 and the first triode Q1, the first resistor R1 are serially connected in the control terminal of single-chip microcontroller 1,3rd resistor R3
It is connect with the base stage of the first triode Q1, the transmitting of second resistance R2 and the 3rd resistor R3 node concatenated and the first triode Q1
Pole connection, the collector of the first triode Q1 are connect with switch module；
Switch module includes the 4th resistance R4, the 5th resistance R5 and the second triode Q2 being sequentially connected in series, the 4th resistance R4
It is connect with the collector of the first triode Q1, the first triode Q1 is preferably PNP type triode, and the second triode Q2 is preferably
NPN type triode, the 5th resistance R5 are connect with the base stage of the second triode Q2, the emitter ground connection of the second triode Q2, and second
The coil of relay KM is in series between the collector and power supply of triode Q2.
The working principle of driving circuit is: when single-chip microcontroller 1 control terminal i.e. I/O port output high level after, second resistance R2 with
3rd resistor R3 is since series connection divides, and the base voltage of the first triode Q1 is lower than emitter voltage, the first triode Q1 at this time
Conducting, the load capacity of 1 control terminal of single-chip microcontroller, the base stage of subsequent second triode Q2 are improved by the enabled circuit of the part
It powers on, the second triode Q2 conducting, so that the coil of relay KM powers on, by the common drive for enabling module and switch module
It is dynamic, the load capacity of single-chip microcontroller 1 can either be improved, and improve the controlled accuracy of switch module, in turn ensure relatively high power
Relay KM coil can smoothly connect, realize no-delay bridging, guarantee battery group uninterrupted power supply, effectively avoid direct current
The occurrence of bus power loss, protective device tripping, more securely and reliably.
As to further improvement of the utility model, bridge circuit include bridging diode D1 and with bridging diode D1
Concatenated current sensor 2, the single-chip microcontroller 1 are electrically connected with the output end of current sensor 2.When current sensor 2 detects
Default is bridging diode D1 conducting after to electric current, and the battery for illustrating that the bridge circuit is bridged at this time breaks down, bridges
It comes into force, after detecting current signal by 1 Cutoff current sensor 2 of single-chip microcontroller, the upload alarm signal of single-chip microcontroller 1 to industrial personal computer,
Remote server is reported by industrial personal computer, remote personnel is facilitated to understand field condition, scene, which is here started by single-chip microcontroller 1, warns
Telegraph circuit prompts the staff at scene, reminds staff to carry out maintenance and inspection in time, avoids fault spread.Bridging
Circuit is without using individual working power, and using diode unilateral conduction, when use need to only be connected anti-parallel to battery two
End, once accumulator pole sex reversal, diode are connected automatically, no time slot, securely and reliably.
As to further improvement of the utility model, second resistance R2 concatenates the series circuit to be formed with 3rd resistor R3
It is also parallel with first capacitor C1, it is miscellaneous to eliminate control terminal, that is, I/O port output level sharp wave of single-chip microcontroller 1 etc. by first capacitor C1
Wave improves signal quality, and after first capacitor C1 gradually charges, the first triode Q1 is gradually turned on, can be to avoid mutation.
As to further improvement of the utility model, the connecting node and the two or three of the 5th resistance R5 and the 4th resistance R4
It is in series with the second capacitor C2 between the emitter of pole pipe Q2, the coil of relay KM is also parallel with the second diode D2, and the two or two
The conducting direction of pole pipe D2 and the current direction of relay KM are oppositely arranged, the working principle of the second capacitor C2 and first capacitor C1
It is identical, being directly accessed for the high current of control relay KM is avoided, the stability of circuit is improved.
Claims (5)
1. DC power system battery crossover assembly, including single-chip microcontroller (1), bridge circuit and circuit for alarming, single-chip microcontroller (1)
The connection of the output end of input terminal and bridge circuit, the control terminal of single-chip microcontroller (1) are connect with circuit for alarming, it is characterised in that: described
Circuit for alarming include driving circuit and alarm (3), driving circuit controls alarm (3) on-off, driving by relay KM
Circuit includes enabled module and switch module, and enabled module includes first resistor R1, second resistance R2, the third electricity being sequentially connected in series
Resistance R3 and the first triode Q1, the first resistor R1 is serially connected in the control terminal of single-chip microcontroller (1), 3rd resistor R3 and the one or three
The base stage of pole pipe Q1 connects, and second resistance R2 is connect with the node that 3rd resistor R3 is concatenated with the emitter of the first triode Q1,
The collector of first triode Q1 is connect with switch module；
Switch module includes the 4th resistance R4, the 5th resistance R5 and the second triode Q2 being sequentially connected in series, the 4th resistance R4 and
The collector of one triode Q1 connects, and the 5th resistance R5 is connect with the base stage of the second triode Q2, the transmitting of the second triode Q2
Pole ground connection, is in series with the coil of relay KM between the collector and power supply of the second triode Q2.
2. DC power system battery crossover assembly according to claim 1, it is characterised in that: the bridge circuit
Including bridging diode D1 and with the bridging concatenated current sensor of diode D1 (2), the single-chip microcontroller (1) and current sense
The output end of device (2) is electrically connected.
3. DC power system battery crossover assembly according to claim 1, it is characterised in that: the one or three pole
Pipe Q1 is PNP type triode, and the second triode Q2 is NPN type triode.
4. DC power system battery crossover assembly according to claim 1, it is characterised in that: the second resistance
R2 concatenates the series circuit to be formed with 3rd resistor R3 and is also parallel with first capacitor C1.
5. DC power system battery crossover assembly according to claim 1, it is characterised in that: the 5th resistance
The second capacitor C2 is in series between the connecting node of R5 and the 4th resistance R4 and the emitter of the second triode Q2, relay KM's
Coil is also parallel with the second diode D2, and the current direction of the conducting direction and relay KM of the second diode D2 is oppositely arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822007730.0U CN208971219U (en) | 2018-12-03 | 2018-12-03 | DC power system battery crossover assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822007730.0U CN208971219U (en) | 2018-12-03 | 2018-12-03 | DC power system battery crossover assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208971219U true CN208971219U (en) | 2019-06-11 |
Family
ID=66766080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822007730.0U Active CN208971219U (en) | 2018-12-03 | 2018-12-03 | DC power system battery crossover assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208971219U (en) |
-
2018
- 2018-12-03 CN CN201822007730.0U patent/CN208971219U/en active Active
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