CN206272321U - A kind of ring main unit on-pole switch 48V DC power-supply systems - Google Patents
A kind of ring main unit on-pole switch 48V DC power-supply systems Download PDFInfo
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- CN206272321U CN206272321U CN201621357263.9U CN201621357263U CN206272321U CN 206272321 U CN206272321 U CN 206272321U CN 201621357263 U CN201621357263 U CN 201621357263U CN 206272321 U CN206272321 U CN 206272321U
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Abstract
The utility model discloses a kind of ring main unit on-pole switch 48V DC power-supply systems,The first switch power supply exported using 220V inputs 48V,Total charging module of 220V input 12V outputs,220V input 12V output monocell constant voltage constant current charging modules,Monocell constant-current discharge module,12V turns the second switch power supply of 48V,48V loads positive and negative busbar,The total positive bus-bars of 12V and the total negative busbars of 12V,The mono- positive bus-bars of 12V,The part such as single total switching device and four four, batteries of 12V,Realize on the basis of battery consumption is not increased,Being capable of block-by-block unloading detection core appearance to battery,And also add the safety coefficient of back-up source,Extend service lifetime of accumulator,It is in all the time in the conditions of support with back-up source using electric equipment,Stand-by power supply is reached and core has held the non-interfering purpose of detection.
Description
Technical field
The utility model is related to a kind of DC power-supply system, is more particularly, to powered to ring main unit on-pole switch
48V DC power-supply systems.
Background technology
Ring main unit on-pole switch needs to use dc source, general to be changed into the galvanic switch electricity of 48V using by civil power
Source is powered, while being connected as back-up source using the batteries of four section 12V.After battery series connection, if a certain piece
Battery breaks down, and overall power supply capacity will be influenceed, so that back-up source has potential safety hazard.Regular core holds can be with
Each piece of health status of battery of detection, is conducive to eliminating safe hidden trouble.But when core holds, it is necessary to battery is unloaded, this
If sample occurs mains failure during core holds, Switching Power Supply is stopped, and causes on-pole switch to lose power supply, and will thus
Chain type influence is produced, or even produces loss difficult to the appraisal.How above-mentioned difficulty is eliminated on the basis of battery consumption is not increased
Topic, is always the problem of those skilled in the art's expectation solution.
Utility model content
The purpose of this utility model is to provide a kind of ring main unit on-pole switch 48V DC power-supply systems, and the system is not
Increase on the basis of battery consumption, realize and battery block-by-block unloading detection core is held, and also located all the time using electric equipment
In the conditions of support with back-up source, stand-by power supply is reached and core has held the non-interfering purpose of detection.
To achieve these goals, the utility model is adopted the following technical scheme that：
A kind of ring main unit on-pole switch 48V DC power-supply systems, including the first switch of 220V input 48V outputs is electric
Source, total charger module of 220V input 12V outputs, 220V input 12V output monocell constant voltage constant current charging modules, monocell
Constant-current discharge module, 12V turns the second switch power supply of 48V, and 48V load positive and negative busbars, the total positive bus-bars of 12V and 12V are always negative female
Line, the mono- positive bus-bars of 12V, single total switching device and four batteries of 12V, it is characterised in that the first switch power supply
Lead-out terminal is connected with 48V load positive and negative busbars, and the negative pole of four batteries is parallel to the total negative busbars of 12V, four electric power storages
The positive pole in pond is connected with four sub-control units in single total switching device respectively, four sub-control units also respectively with the total positive poles of 12V
Line is connected with the mono- positive bus-bars of 12V, 220V inputs 12V output monocell constant voltage constant current charging module and the monocell constant-current discharge
Module is connected in the total negative busbars of 12V and the mono- positive bus-bars of 12V, and the input of second switch power supply is total with the total positive bus-bars of 12V and 12V
Negative busbar is connected, and output end is connected with 48V load positive and negative busbars, and the sub-control unit realizes battery positive voltage and the total positive poles of 12V
The connection switching of line or the mono- positive bus-bars of 12V, single total switching device is also connected with control unit.
Preferably, four sub-control units are four single-pole double-throw relays, four the four of single-pole double-throw relay
Movable contact is not connected through four resistance identical wires with battery positive voltage respectively, and four normally-closed contacts are respectively through four resistance phases
Same wire is connected to the same point of the total positive bus-bars of 12V, and four normally opened contacts are connected with the mono- positive bus-bars of 12V, four storages
The negative pole of battery is connected to the same point of the total negative busbars of 12V through four resistance identical wires respectively.
Preferably, four batteries are connected with accumulator parameter measurement module respectively, accumulator parameter measurement module
Voltage, internal resistance and temperature parameter for determining battery, and accumulator parameter measurement module is connected with described control unit.
Preferably, it is provided with current-voltage measurement list in the 220V inputs 12V output monocell constant voltage constant current charging modules
Unit, current-voltage measurement unit is connected with described control unit.
Preferably, voltage internal resistance measurement unit is connected with the total positive bus-bars of the 12V and the total negative busbars of 12V, in voltage
Resistance measuring unit is connected with described control unit.
Preferably, in the output end of total charger module and the negative pole of four batteries and the total negative busbars of 12V
Tie point between current sensor is installed, current sensor is connected with described control unit.
Preferably, described control unit is upper managing computer.
The system uses four pieces of battery parallel connections, and introduces the second switch power supply that single always switching device and 12V turn 48V,
Second switch power module is coordinated to be the voltage request that can reach back-up source using one piece of battery, while can also be by other
One piece of battery unloading, and point module is put by 220V input 12V output monocell constant voltage constant current chargings module, monocell constant current
Carry out core appearance, realize back-up source and core hold and meanwhile carry out, non-interfering good result.The system requires some wires electricity
Resistance is identical and with identical contact, and the shortcoming for effectively overcoming cell parallel to be influenceed by conductor resistance preferably improves target
The effect of design.By using control units such as upper managing computers, the system can be controlled, more preferably realize purpose.
Brief description of the drawings
Fig. 1 is the utility model entirety line map；
Fig. 2 is single total switching device line graph；
Fig. 3 is single charge-discharge modules line graph.
Specific embodiment
Below in conjunction with the accompanying drawings, the utility model is described further：
As shown in figure 1, this ring main unit on-pole switch 48V DC power-supply systems, including 220V is input into the first of 48V outputs
Switching Power Supply 1, total charger module 2 of 220V input 12V outputs, 220V input 12V output monocell constant voltage constant current charging moulds
Block 3 and monocell constant-current discharge module 4,12V turn the second switch power supply 5 of 48V, 48V load positive and negative busbars 6, the total positive poles of 12V
Battery 10, the battery 11, electric power storage of line 7 and the total negative busbars 8 of 12V, the mono- positive bus-bars 80 of 12V, single total switching device 9 and 12V
Pond 12, battery 13, totally four.The lead-out terminal of first switch power supply 1 is directly connected with 48V load positive and negative busbars 6, battery
10th, battery 11, battery 12, the negative pole of battery 13 are parallel to the same point in the total negative busbars 8 of 12V, and using electricity
Resistance identical wire, this can eliminate the inconsistent negative effect for bringing of conductor resistance, and then reduce battery parallel connection to system
The unfavorable factor brought.There are four sub-control units in single total switching device, sub-control unit be used to controlling each battery positive voltage with
The connection switching of the total positive bus-bars 7 of 12V or the mono- positive bus-bars 80 of 12V, can be realized with single-pole double-throw relay.Specifically, electric power storage
Pond 10, battery 11, battery 12, battery 13 positive pole respectively with relay 14, relay 15, relay 16, relay
17 each not movable contact is connected by the consistent wire of resistance, and this four normally-closed contacts of relay are respectively through four resistance phases
Same wire is connected to the same point of the total positive bus-bars 7 of 12V, and also four normally opened contacts are connected with the mono- positive bus-bars of 12V, and 220V is defeated
Entering 12V outputs monocell constant voltage constant current charging module 3 and monocell constant-current discharge module 4 can integrate, and inside can be with
Switch over, and leave two binding posts, be connected in the total negative busbars of 12V and the mono- positive bus-bars of 12V.
The input of second switch power supply 5 is connected with the total positive bus-bars 7 of 12V and the total negative busbars 8 of 12V, and output end is loaded with 48V
Positive and negative busbar 6 is connected.Single total switching device 9 is connected with control unit 18, control unit 18 typically using have information reception with
The upper managing computer for processing and sending instruction serves as, and can respectively control four sub-control units to be acted.
In the system, in order to detect the situation of each battery, four batteries are surveyed with respective accumulator parameter respectively
Amount module 19 is connected（Fig. 3 merely illustrates one piece of situation of battery, and other batteries are similar）, accumulator parameter measurement module 19
Voltage, internal resistance and temperature parameter for determining battery, and accumulator parameter measurement module 19 is connected with control unit 18,
The data that will be monitored are uploaded to control unit 18.220V input 12V output monocell constant voltage constant current charging module and monocell
Constant-current discharge module is respectively used to realize the constant voltage constant current charging and monocell constant-current discharge of monocell, 220V input 12V outputs
Current-voltage measurement unit 70 can be also provided with monocell constant voltage constant current charging module, current-voltage measurement unit 70 is single with control
Unit 18 is connected, and can monitor charging voltage and electric current and report control unit 18.It is total just in 12V in order to more fully monitor
Voltage internal resistance measurement unit is connected with bus 7 and the total negative busbars 8 of 12V（It is not drawn into figure）, voltage internal resistance measurement unit also with
Control unit is connected.Total charging module machine 2 output end and four negative poles of battery and the total negative busbars of 12V tie point it
Between current sensor 21 is installed, current sensor 21 is also connected with control unit.
This 48V DC power-supply systems to the 48V such as on-pole switch loads 22 when using, carry out direct current supply, normal Shi Yong cities
Electricity is powered through first switch power supply 1, and the battery that parallel connection is enabled when having a power failure is powered.And can by sub-control unit
Carry out the cores such as discharge and recharge and hold operation to unload out a certain piece of battery from stand-by state, and carry out the monitoring of various parameters,
To realize the assessment to battery health status, the battery that encounters problems can be changed in time.The system is advantageous in that core holds behaviour
Other reserve batteries are not influenceed to play the effect of stand-by power supply when making, even if having a power failure when core holds, other batteries can be with
Work immediately, boosted by power module and produce 48V direct currents to be used for 48V loads 22, and this beneficial effect is not
There is the consumption for increasing battery.Each part used by the utility model is in the prior art of maturation.
In actually used, the actual output voltage of first switch power supply 1 can be slightly above second switch power module, it is ensured that
It is that 48V loads charging first with civil power, but during mains failure, second switch power supply plays a role.Second switch power supply with
Diode can be connected between 48V load positive and negative busbars, it is second switch power source charges to prevent first switch power supply.
The present embodiment is the explanation that the utility model is conceived and realized, is not limited, in this reality
With under new design, the technical scheme without essence conversion is still in protection domain.
Claims (7)
1. a kind of first switch power supply of ring main unit on-pole switch 48V DC power-supply systems, including 220V input 48V outputs,
Total charger module of 220V input 12V outputs, 220V input 12V output monocell constant voltage constant current charging modules, monocell is permanent
Stream discharge module, 12V turns the second switch power supply of 48V, 48V load positive and negative busbars, the total positive bus-bars of 12V and the total negative busbars of 12V,
The mono- positive bus-bars of 12V, single total switching device and four batteries of 12V, it is characterised in that the output of the first switch power supply
Terminal and 48V load positive and negative busbar are connected, and the negative pole of four batteries is parallel to the total negative busbars of 12V, four batteries
Positive pole is connected with four sub-control units in single total switching device respectively, four sub-control units also respectively with the total positive bus-bars of 12V and
The mono- positive bus-bars of 12V are connected, 220V inputs 12V output monocell constant voltage constant current charging module and the monocell constant-current discharge module
It is connected in the total negative busbars of 12V and the mono- positive bus-bars of 12V, input and the total positive bus-bars of 12V and the 12V of second switch power supply always bear mother
Line is connected, and output end and 48V load positive and negative busbar are connected, the sub-control unit realize battery positive voltage and the total positive bus-bars of 12V or
The connection switching of the mono- positive bus-bars of 12V, single total switching device is also connected with control unit.
2. ring main unit on-pole switch 48V DC power-supply systems as claimed in claim 1, it is characterised in that described four points
Control unit be four single-pole double-throw relays, four the four of single-pole double-throw relay not movable contact it is identical through four resistance respectively
Wire be connected with battery positive voltage, four normally-closed contacts are connected to the total positive bus-bars of 12V through four resistance identical wires respectively
Same point, four normally opened contacts are connected with the mono- positive bus-bars of 12V, and the negative pole of four batteries is respectively through four resistance phases
Same wire is connected to the same point of the total negative busbars of 12V.
3. ring main unit on-pole switch 48V DC power-supply systems as described in claim 1 or 2, it is characterised in that described four
Battery is connected with accumulator parameter measurement module respectively, accumulator parameter measurement module be used to determining the voltage of battery,
Internal resistance and temperature parameter, and accumulator parameter measurement module is connected with described control unit.
4. ring main unit on-pole switch 48V DC power-supply systems as claimed in claim 3, it is characterised in that the 220V is defeated
Enter in 12V output monocell constant voltage constant current charging modules and be provided with current-voltage measurement unit, current-voltage measurement unit with it is described
Control unit is connected.
5. ring main unit on-pole switch 48V DC power-supply systems as claimed in claim 4, it is characterised in that total in the 12V
Voltage internal resistance measurement unit, voltage internal resistance measurement unit and described control unit phase are connected with positive bus-bar and the total negative busbars of 12V
Even.
6. ring main unit on-pole switch 48V DC power-supply systems as described in claim 4 or 5, it is characterised in that described total
Electric current biography is installed between the tie point of the total negative busbar of negative pole and 12V of the output end of charger module and four batteries
Sensor, current sensor is connected with described control unit.
7. ring main unit on-pole switch 48V DC power-supply systems as described in claim 1,2,4 or 5, it is characterised in that described
Control unit is upper managing computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621357263.9U CN206272321U (en) | 2016-12-12 | 2016-12-12 | A kind of ring main unit on-pole switch 48V DC power-supply systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621357263.9U CN206272321U (en) | 2016-12-12 | 2016-12-12 | A kind of ring main unit on-pole switch 48V DC power-supply systems |
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| Publication Number | Publication Date |
|---|---|
| CN206272321U true CN206272321U (en) | 2017-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621357263.9U Active CN206272321U (en) | 2016-12-12 | 2016-12-12 | A kind of ring main unit on-pole switch 48V DC power-supply systems |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115313612A (en) * | 2022-08-11 | 2022-11-08 | 山东聊开电气有限公司 | 48V direct current storage integrated power supply system, and charge and discharge control method and application thereof |
-
2016
- 2016-12-12 CN CN201621357263.9U patent/CN206272321U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115313612A (en) * | 2022-08-11 | 2022-11-08 | 山东聊开电气有限公司 | 48V direct current storage integrated power supply system, and charge and discharge control method and application thereof |
| CN115313612B (en) * | 2022-08-11 | 2024-04-26 | 山东聊开电气有限公司 | 48V direct current reserve integrated power supply system, and charging and discharging control method and application thereof |
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