CN208971247U - The long-range integrated monitoring device of DC power supply - Google Patents
The long-range integrated monitoring device of DC power supply Download PDFInfo
- Publication number
- CN208971247U CN208971247U CN201822007729.8U CN201822007729U CN208971247U CN 208971247 U CN208971247 U CN 208971247U CN 201822007729 U CN201822007729 U CN 201822007729U CN 208971247 U CN208971247 U CN 208971247U
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- triode
- power supply
- battery
- resistance
- monitoring device
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 22
- 238000012544 monitoring process Methods 0.000 claims abstract description 29
- 238000004891 communication Methods 0.000 claims abstract description 10
- 239000003990 capacitor Substances 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007257 malfunction Effects 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
- 230000032258 transport Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/12—Energy storage units, uninterruptible power supply [UPS] systems or standby or emergency generators, e.g. in the last power distribution stages
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/248—UPS systems or standby or emergency generators
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
Abstract
The utility model discloses the long-range integrated monitoring devices of DC power supply, belong to apparatus of electrical monitoring equipment technical field, monitoring device includes monitoring assembly, industrial personal computer and DTU wireless terminal, monitoring assembly includes connecting with the battery crossover assembly of industrial personal computer communication connection and voltage monitoring terminal, the voltage signal inputs of voltage monitoring terminal with the current divider being serially connected on battery DC bus.Operating status using voltage monitoring terminal for the DC power supply at power station scene carries out real-time monitoring, the data monitored can be sent to remote server by DTU wireless terminal, remote personnel is facilitated to understand field condition, once treatment measures can be taken in time by going wrong, guarantee the normal operation in power station.When battery pack open circuit, battery crossover assembly can be connected across on the battery no-delayly automatically, guaranteed battery group uninterrupted power supply, effectively avoided 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 supply remotely integrated monitoring device.
Background technique
DC power supply is that control load, living load, emergency lighting etc. provide working power, is to guarantee that substation normally transports
One of capable important system, is the basis of contemporary electric power system control, protection, and reliability and stability directly influences electric power
The safety and stability of operation.Lead to the case Shi Youfa of electric system major accident because DC power supply goes wrong in recent years
It is raw, it results in significant economic losses and undesirable social influence.All batteries of each battery group are to be connected in series, and are appointed
What battery pack open circuit, where whole battery current circuit will disconnect, DC bus power loss, protection will be caused
The serious consequence of device tripping.Therefore a kind of DC power supply remotely integrated monitoring device is needed.
Summary of the invention
The utility model in order to overcome the drawbacks of the prior art, devises DC power supply remotely integrated monitoring device, far
Range monitoring personnel can use the operating status of the monitoring device real-time monitoring DC power supply, goes wrong to take in time and answer
To measure, more securely and reliably.
The specific technical solution that the utility model is taken is: DC power supply remotely integrated monitoring device, including monitoring
Component, industrial personal computer and the DTU wireless terminal with industrial personal computer communication connection, key is: the monitoring assembly includes and industry control
Machine communication connection battery crossover assembly and voltage monitoring terminal, the voltage signal inputs of voltage monitoring terminal be serially connected in
Current divider connection on battery DC bus.
The monitoring device further includes the charging module connecting with industrial computer communication, the electric energy output end of charging module with
Battery connection.
The battery crossover assembly includes single-chip microcontroller, bridge circuit and circuit for alarming, and the bridge circuit includes
Bridge diode D1 and with bridging the concatenated current sensor of diode D1, the output end of the single-chip microcontroller and current sensor
Electrical connection, the control terminal of the single-chip microcontroller are connect with circuit for alarming.
The circuit for alarming includes driving circuit and alarm, and the driving circuit is controlled by relay KM and alarmed
Device on-off, the driving circuit includes enabled module and switch module, the enabled module include first be sequentially connected in series
Resistance R1, second resistance R2,3rd resistor R3 and the first triode Q1, the first resistor R1 are serially connected in the control of single-chip microcontroller
End, 3rd resistor R3 connect with the base stage of the first triode Q1, second resistance R2 and the 3rd resistor R3 node concatenated and first
The emitter of triode Q1 connects, and the collector of the first triode Q1 is connect with switch module.
The switch module includes the 4th resistance R4, the 5th resistance R5 and the second triode Q2 being sequentially connected in series, and the 4th
Resistance R4 is connect with the collector of the first triode Q1, and the 5th resistance R5 is connect with the base stage of the second triode Q2, the two or three pole
The emitter of pipe Q2 is grounded, and the coil of relay KM is in series between the collector and power supply of the second triode Q2.
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: using voltage monitoring terminal for the operation shape of the DC power supply at power station scene
State carries out real-time monitoring, and the data monitored can be sent to remote server by DTU wireless terminal, facilitate remote personnel pair
Field condition is understood, once treatment measures can be taken in time by going wrong, guarantees the normal operation in power station.Work as battery
When open circuit, battery crossover assembly can be connected across on the battery no-delayly automatically, guarantee battery group uninterrupted power supply,
Effectively avoid the occurrence of DC bus power loss, protective device tripping, more securely and reliably.
Detailed description of the invention
Fig. 1 is the principles of the present invention block diagram.
Fig. 2 is the schematic diagram of bridge circuit in the utility model.
Fig. 3 is the schematic diagram of circuit for alarming in the utility model.
In attached drawing, 1 represents charging module, and 2 represent industrial personal computer, and 3 represent DTU wireless terminal, and 4 represent battery bridging dress
It sets, 5 represent voltage monitoring terminal, and 6 represent current divider, and 7 represent single-chip microcontroller, and 8 represent current sensor, and 9 represent alarm.
Specific embodiment
It elaborates in the following with reference to the drawings and specific embodiments to the utility model:
Specific embodiment, as shown in Figure 1, Figure 2 and Figure 3, DC power supply remotely integrated monitoring device, including monitoring group
Part, industrial personal computer 2 and the DTU wireless terminal 3 communicated to connect with industrial personal computer 2, the monitoring assembly include and 2 communication link of industrial personal computer
The battery crossover assembly 4 and voltage monitoring terminal 5 connect, the voltage signal inputs of voltage monitoring terminal 5 and is serially connected in electric power storage
Current divider 6 on the DC bus of pond connects, and voltage monitoring terminal 5 is the digital voltmeter with serial communication function.This reality
Real-time monitoring is carried out with the novel operating status using voltage monitoring terminal for the DC power supply at power station scene, the number monitored
According to remote server can be sent to by DTU wireless terminal 3, remote personnel is facilitated to understand field condition, once go out
Existing problem can take treatment measures in time, guarantee the normal operation in power station.When battery pack open circuit, battery crossover assembly 4
Can be connected across on the battery no-delayly automatically, guarantee battery group uninterrupted power supply, effectively avoid DC bus power loss,
The occurrence of protective device tripping, more securely and reliably.It is integrated system that the monitoring device is highly integrated by industrial personal computer 2,
It is easy to maintain, greatly improve power station inspection, the ability of maintenance.
As to further improvement of the utility model, monitoring device further includes the charging mould with 2 communication connection of industrial personal computer
The electric energy output end of block 1, charging module 1 is connect with battery.Charging module 1 is the battery charging being equipped with for substation
Machine charges to battery in the insufficient situation of battery electric energy, and the communication interface of industrial personal computer 2 and charging module 1 carries out
Connection, charge information is collected, convenient for monitoring.
As to further improvement of the utility model, battery crossover assembly 4 includes single-chip microcontroller 7, bridge circuit and police
Telegraph circuit, the bridge circuit include bridging diode D1 and with bridging the concatenated current sensor 8 of diode D1, it is described
Single-chip microcontroller 7 is electrically connected with the output end of current sensor 8, and the control terminal of the single-chip microcontroller 7 is connect with circuit for alarming.Work as electric current
Default is bridging diode D1 conducting after sensor 8 detects electric current, illustrates the storage that the battery crossover assembly 4 is bridged at this time
Cell malfunctions, bridging come into force, and after detecting current signal by 7 Cutoff current sensor 8 of single-chip microcontroller, single-chip microcontroller 7 is uploaded
Alarm signal reports remote server to industrial personal computer 2, by industrial personal computer 2, and scene here starts circuit for alarming to scene by single-chip microcontroller 7
Staff prompt, remind staff carry out maintenance and inspection in time, avoid fault spread.Battery crossover assembly 4
Bridge circuit without using individual working power, using diode unilateral conduction, when use, need to only be connected anti-parallel to storage
Battery both ends, once accumulator pole sex reversal, diode are connected automatically, no time slot, securely and reliably.
As to further improvement of the utility model, circuit for alarming includes driving circuit and alarm 9, the driving
Circuit controls 9 on-off of alarm by relay KM, and the driving circuit includes enabled module and switch module, alarm 9
For large-power alarm system, it is ensured that sufficiently large alarm can be issued, hear field personnel in time.
Enabled module includes the first resistor R1 being sequentially connected in series, second resistance R2,3rd resistor R3 and the first triode Q1,
The first resistor R1 is serially connected in the control terminal of single-chip microcontroller 7, and 3rd resistor R3 is connect with the base stage of the first triode Q1, 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 the first triode Q1 with
Switch module connection.
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, the first triode Q1 is excellent between the collector and power supply of the second triode Q2
It is selected as PNP type triode, the second triode Q2 is preferably NPN type triode.
The working principle of driving circuit is: when single-chip microcontroller 7 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 7 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 can either be improved, and improve the controlled accuracy of switch module, in turn ensure relatively high power
Relay KM coil can be connected smoothly, realize no-delay bridging.
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 7 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 (8)
1. the long-range integrated monitoring device of DC power supply, including monitoring assembly, industrial personal computer (2) and communicated to connect with industrial personal computer (2)
DTU wireless terminal (3), it is characterised in that: the monitoring assembly include with industrial personal computer (2) communication connection battery bridge
Device (4) and voltage monitoring terminal (5), voltage signal inputs of voltage monitoring terminal (5) and to be serially connected in battery direct current female
Current divider (6) connection on line.
2. the long-range integrated monitoring device of DC power supply according to claim 1, it is characterised in that: the monitoring device
It further include being connect with the charging module (1) of industrial personal computer (2) communication connection, the electric energy output end of charging module (1) with battery.
3. the long-range integrated monitoring device of DC power supply according to claim 1, it is characterised in that: the battery across
Connection device (4) includes single-chip microcontroller (7), bridge circuit and circuit for alarming, the bridge circuit include bridging diode D1 and with
It bridging the concatenated current sensor of diode D1 (8), the single-chip microcontroller (7) is electrically connected with the output end of current sensor (8),
The control terminal of the single-chip microcontroller (7) is connect with circuit for alarming.
4. the long-range integrated monitoring device of DC power supply according to claim 3, it is characterised in that: the circuit for alarming
Including driving circuit and alarm (9), the driving circuit controls alarm (9) on-off, the drive by relay KM
Dynamic circuit includes enabled module and switch module, the 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 (7), 3rd resistor
R3 is connect with the base stage of the first triode Q1, the hair of second resistance R2 and the 3rd resistor R3 node concatenated and the first triode Q1
Emitter-base bandgap grading connection, the collector of the first triode Q1 are connect with switch module.
5. the long-range integrated monitoring device of DC power supply according to claim 4, it is characterised in that: the switch module
Including the 4th resistance R4, the 5th resistance R5 and the second triode Q2 being sequentially connected in series, the 4th resistance R4 and the first triode Q1's
Collector connection, 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 the two or three
The coil of relay KM is in series between the collector and power supply of pole pipe Q2.
6. the long-range integrated monitoring device of DC power supply according to claim 5, 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.
7. the long-range integrated monitoring device of DC power supply according to claim 4, 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.
8. the long-range integrated monitoring device of DC power supply according to claim 5, 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 |
|---|---|---|---|
| CN201822007729.8U CN208971247U (en) | 2018-12-03 | 2018-12-03 | The long-range integrated monitoring device of DC power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822007729.8U CN208971247U (en) | 2018-12-03 | 2018-12-03 | The long-range integrated monitoring device of DC power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208971247U true CN208971247U (en) | 2019-06-11 |
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ID=66766056
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822007729.8U Active CN208971247U (en) | 2018-12-03 | 2018-12-03 | The long-range integrated monitoring device of DC power supply |
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| CN (1) | CN208971247U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112968494A (en) * | 2021-03-02 | 2021-06-15 | 国网山东省电力公司泰安供电公司 | Automatic bridging device of open circuit storage battery and substation backup power supply |
-
2018
- 2018-12-03 CN CN201822007729.8U patent/CN208971247U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112968494A (en) * | 2021-03-02 | 2021-06-15 | 国网山东省电力公司泰安供电公司 | Automatic bridging device of open circuit storage battery and substation backup power supply |
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