CN109889035A - A kind of emergency maintenance automatic voltage dropping silicon chain device of power supply - Google Patents
A kind of emergency maintenance automatic voltage dropping silicon chain device of power supply Download PDFInfo
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- CN109889035A CN109889035A CN201811649747.4A CN201811649747A CN109889035A CN 109889035 A CN109889035 A CN 109889035A CN 201811649747 A CN201811649747 A CN 201811649747A CN 109889035 A CN109889035 A CN 109889035A
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Abstract
The invention discloses a kind of emergency to overhaul the automatic voltage dropping silicon chain device of power supply, it include secondary battery unit, output bus end, direct current silicon chain voltage reduction module, DC voltage sampling module, relay driving module and display, the first voltage regulator controllers, the second voltage regulator controllers, hand/automatic button and manual adjustment knob.Beneficial effects of the present invention: the device integrates two kinds of control systems, and structure is simple, and accessory is few, light-weight；Access power-supply system is judged using voltage sample module, automatic switching control system is easy to operate, and device reliability is high；Human cost and equipment making cost are reduced to reduce the relative cost of device.
Description
Technical field
The present invention relates to the regulators in a kind of power industry DC power system, and in particular to a kind of emergency maintenance electricity
The automatic voltage dropping silicon chain device in source.
Background technique
At present in domestic electrical system DC power cabinet, when charging module charges to battery group, output voltage
The load voltage value of control loop can be higher than, voltage regulating device is exactly to be serially connected between combined floodgate power bus and control bus,
Automatically change its voltage value, to guarantee the voltage of control bus in normal range (NR).Transforming station direct current system voltage is generally
DC110V and DC220V.When replacing direct current system, transforming station direct current system has a power failure in order to prevent, and it is straight to need to access emergency maintenance
Galvanic electricity source device temporarily gives forthright load supplying, in order to overhaul and repair the direct current system of substation, guarantees transforming plant DC
System does not power off, and needs original load to be transferred on emergency maintenance charging equipment, emergency maintenance charging equipment is for side
Portable belt is designed to two faces, on one side charging screen, a face feed panel.The setting of charging screen is on direct current emergency tool car, feed panel
The control room for being placed on electric substation is moved from emergency tool car, charging screen and feed panel are by cable connection, in order to be applicable in two kinds of voltages
System is arranged two groups of automatic voltage dropping silicon chains on feed panel to adjust voltage, is used according to different electrical voltage system switchings corresponding
Automatic voltage dropping silicon chain, due to needing the two kinds of electrical voltage systems designed to cause, equipment volume is excessive, structure is complicated, weight penalty, by
In control room generally all in second floor, feed panel moves the control room for being placed on electric substation from emergency tool car, and service personnel carries inconvenient；
Automatic voltage dropping silicon chain inside feed panel can only lean on service personnel's manual switching according to the electrical voltage system of access, increase workload,
Cause device relative cost higher due to increasing human cost and equipment making cost.
Chinese patent, publication number: publication date: 203596749 U of CN on May 14th, 2014, discloses a kind of electrodeless formula
Control bus automatic pressure regulating device, including silicon chain device, closing bus bar end, control bus end, execution relay, IGBT pipe, silicon
Chain voltage regulator controllers, negative busbar end.The invention has the advantages that: line arrangement is simple, reliable, realizes voltage dropping silicon chain line
Property pressure regulation effect, solve the problems, such as in Traditional DC power supply panel that silicon chain is depressured non-linear pressure regulation, there is o-volt protection and report
Alert function, using effect is good, is conducive to promote, and the apparatus structure is simple, can not achieve the reduction regulation of two kinds of voltage, realizes function
It is single.
Summary of the invention
Mesh of the invention is to solve the problems, such as that existing automatic voltage dropping silicon chain cannot access two kinds of electrical voltage systems and adjust voltage, is ground
A kind of self-checking device for being applicable in two kinds of electrical voltage systems is made, using one group of voltage dropping silicon chain, two groups of control modules are adopted by voltage
Egf block judgement access power-supply system, voltage transformation, decision circuitry starting relay automatic Regulation make the voltage on control bus
It is maintained at setting valve, achievees the purpose that stability contorting busbar voltage.
To realize the above-mentioned technical purpose, a kind of technical solution provided by the invention is, a kind of emergency maintenance power supply drops automatically
Press silicon chain device, including secondary battery unit, output bus end, direct current silicon chain voltage reduction module, DC voltage sampling module, relay
Module and display, it is characterised in that: further include have the first voltage regulator controllers, the second voltage regulator controllers, change-over switch and
Manual adjustment knob, change-over switch are electrically connected with first voltage regulator controllers and the second voltage regulator controllers respectively, the storage
The output end of battery unit is electrically connected with the input terminal of the direct current silicon chain voltage reduction module, the direct current silicon chain voltage reduction module it is defeated
Outlet is electrically connected with output bus end is told, and the input terminal of the DC voltage sampling module exports bus with described respectively respectively
The output end of end and the secondary battery unit is electrically connected, and the output end of the DC voltage sampling module is adjusted with described first respectively
Pressure controller and the second voltage regulator controllers electrical connection, tell the first voltage regulator controllers and the second voltage regulator controllers respectively with it is described after
The input terminal of electrical appliance module is electrically connected, the driving end of the control terminal of the relay module and the direct current silicon chain voltage reduction module
Electrical connection, the manual adjustment knob is electrically connected with the relay module, the display respectively with the first pressure regulation control
The electrical connection of the driving end of device processed and the second voltage regulator controllers.In the present solution, the working condition of change-over switch determining device, direct current
Pressure sampling module determines which controller is started to work, when manual mode, adjust manual adjustment knob adjust it is corresponding after
The on state of electric appliance group realizes decompression；When automatic catch, corresponding controller control relay group realizes the pressure drop of silicon chain, when defeated
When entering voltage and continuously declining from maximum value, automatic pressure regulating device makes the voltage on control bus be maintained at setting valve, power always
When busbar voltage gradually rises to maximum value from minimum value, automatic voltage dropping silicon chain device can also be such that the voltage on control bus keeps
Setting valve, equipment control is simple, and antihypertensive effect is good.
The direct current silicon chain voltage reduction module includes seven section silicon chains.In the present solution, the drop of configuration isolation diode composition
Press silicon chain that there is PN to tie the advantages that forward characteristic consistency is good, and step-down voltage is stablized, and dynamic electric resistor is small, silicon chain is provided with seven sections
Corresponding seven grades of pressure regulation and Pyatyi pressure regulation, can satisfy required decompression demand.
The relay module include there are two relay group, the relay group respectively with first Regulation Control
The electrical connection of the control terminal of device and the second voltage regulator controllers.
Described two relay groups include Pyatyi relay group and seven grades of relay groups, the Pyatyi relay group and seven
The input terminal of grade relay group is electrically connected with the control terminal of first voltage regulator controllers and the second voltage regulator controllers respectively.
First voltage regulator controllers are 110VDC voltage regulator controllers, and second voltage regulator controllers are 220VDC pressure regulation control
Device processed, the 110VDC voltage regulator controllers have Pyatyi silicon chain regulatory function, and the 220VDC voltage regulator controllers have seven grades of silicon chain tune
Save function.In the present solution, simultaneously any combination can be carried out according to customer demand, it is ensured that the reliability and superiority of complete product, most
Limits optimize power system design, reach perfect, reliable reasonable application.
It is respectively first order silicon chain 1-3, second level silicon chain 1-4, that the 110VDC voltage regulator controllers, which correspond to Pyatyi silicon chain,
Three-level silicon chain 1-5, fourth stage silicon chain 1-6 and level V silicon chain 1-7.
The corresponding seven grades of grade silicon chains of the 220VDC voltage regulator controllers be respectively first order silicon chain 1-1, second level silicon chain 1-2,
Third level silicon chain 1-3, fourth stage silicon chain 1-4, level V silicon chain 1-5, the 6th grade of silicon chain 1-6 and the 7th grade of silicon chain 1-7.
The DC voltage sampling module includes sampling relay, and the sampling relay is according to the combined floodgate measured
Bus value is made comparisons with setting value, determines whether to act, so that it is determined that using Pyatyi decompression or seven grades of decompressions.In the present solution,
Relay decision circuitry is sampled by DC voltage, judges to access voltage, automatically selects DC110V controller or DC220V control
Device processed, applicable power bus voltage DC110V system or DC220V system.
The manual adjustment knob includes Pyatyi manual adjustment knob S1 and seven grades of manual adjustment knob S2, and described five
Grade manual adjustment knob S1 is electrically connected with Pyatyi relay group, and the normally open end of the Pyatyi relay group is respectively at the Pyatyi silicon
One end of chain is electrically connected；Seven grades of manual adjustment knob S2 are electrically connected with seven grades of relay groups, seven grades of relay groups
Normally open end respectively at seven grades of silicon chains one end be electrically connected.
Beneficial effects of the present invention: 1, device integrates two kinds of control systems, and structure is simple, and accessory is few, light-weight；2, it uses
Voltage sample module judgement access power-supply system, automatic switching control system is easy to operate, and device reliability is high；3, people is reduced
Power cost and equipment making cost are to reduce the relative cost of device.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of emergency maintenance automatic voltage dropping silicon chain device of power supply of the invention.
Fig. 2 is a kind of schematic diagram of emergency maintenance automatic voltage dropping silicon chain device of power supply of the invention.
Fig. 3 is a kind of manual adjustment knob make and break contact of emergency maintenance automatic voltage dropping silicon chain device of power supply of the invention
Figure.
Description of symbols in figure: 1- secondary battery unit, 2- export bus end, 3- direct current silicon chain voltage reduction module, 4- DC voltage
Sampling module, 5- relay module, 6- display, the first voltage regulator controllers of 7-, the second voltage regulator controllers of 8-, 9- change-over switch,
10- manual adjustment knob.
Specific embodiment
It is right with reference to the accompanying drawings and examples for the purpose of the present invention, technical solution and advantage is more clearly understood
The present invention is described in further detail, it should be appreciated that the specific embodiments described herein are only one kind of the invention
Most preferred embodiment, only to explain the present invention, and the scope of protection of the present invention is not limited, and those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, shall fall within the protection scope of the present invention.
Embodiment: as shown in Figure 1, a kind of emergency overhauls the automatic voltage dropping silicon chain device of power supply, including secondary battery unit 1, defeated
Bus end 2, direct current silicon chain voltage reduction module 3, DC voltage sampling module 4, relay module 5 and display 6 out, feature exists
In: it further include having the first voltage regulator controllers 7, the second voltage regulator controllers 8, change-over switch 9 and manual adjustment knob 10, conversion is opened
It closes 9 to be electrically connected with first voltage regulator controllers 7 and the second voltage regulator controllers 8 respectively, the output end of the secondary battery unit 1
It is electrically connected with the input terminal of the direct current silicon chain voltage reduction module 3, the output end of the direct current silicon chain voltage reduction module 3 and tells output
Bus end 2 is electrically connected, and the input terminal of the DC voltage sampling module 4 exports bus end 2 and the storage with described respectively respectively
The output end of battery unit 1 is electrically connected, the output end of the DC voltage sampling module 4 respectively with first voltage regulator controllers
7 and second voltage regulator controllers 8 be electrically connected, tell the first voltage regulator controllers 7 and the second voltage regulator controllers 8 respectively with the relay
The input terminal of module 5 is electrically connected, the driving end of the control terminal of the relay module 5 and the direct current silicon chain voltage reduction module 3
Electrical connection, the manual adjustment knob 10 are electrically connected with the relay module 5, and the display 6 is adjusted with described first respectively
The electrical connection of the driving end of pressure controller 7 and the second voltage regulator controllers 8.In the present solution, the work shape of 9 determining device of change-over switch
State, DC voltage sampling module 4 determines which controller is started to work, and when manual mode, adjusts manual adjustment knob 10
The on state of corresponding relay group is adjusted, realizes decompression；When automatic catch, corresponding controller control relay group realizes silicon
Chain pressure drop, when input voltage continuously declines from maximum value, automatic pressure regulating device is always maintained at the voltage on control bus
Setting valve, when power bus voltage gradually rises to maximum value from minimum value, automatic voltage dropping silicon chain device can also make control bus
On voltage keep setting valve, equipment control is simple, and antihypertensive effect is good.
As shown in Fig. 2, the direct current silicon chain voltage reduction module 3 includes seven section silicon chains.In the present solution, configuration isolation second level
The advantages that voltage dropping silicon chain of pipe composition has PN knot forward characteristic consistency good, and step-down voltage is stablized, and dynamic electric resistor is small, silicon chain
It is provided with the corresponding seven grades of pressure regulation of seven sections and Pyatyi pressure regulation, can satisfy required decompression demand.
The relay module 5 include there are two relay group, the relay group respectively with the first pressure regulation control
The electrical connection of the control terminal of device 7 processed and the second voltage regulator controllers 8.
Described two relay groups include Pyatyi relay group and seven grades of relay groups, the Pyatyi relay group and seven
The input terminal of grade relay group is electrically connected with the control terminal of first voltage regulator controllers 7 and the second voltage regulator controllers 8 respectively.
First voltage regulator controllers 7 are 110VDC voltage regulator controllers, and second voltage regulator controllers 8 are 220VDC pressure regulation
Controller, the 110VDC voltage regulator controllers have Pyatyi silicon chain regulatory function, and the 220VDC voltage regulator controllers have seven grades of silicon chains
Regulatory function.In the present solution, simultaneously any combination can be carried out according to customer demand, it is ensured that the reliability and superiority of complete product,
Optimize power system design to greatest extent, reaches perfect, reliable reasonable application.
It is respectively first order silicon chain 1-3, second level silicon chain 1-4, that the 110VDC voltage regulator controllers, which correspond to Pyatyi silicon chain,
Three-level silicon chain 1-5, fourth stage silicon chain 1-6 and level V silicon chain 1-7.
The corresponding seven grades of grade silicon chains of the 220VDC voltage regulator controllers be respectively first order silicon chain 1-1, second level silicon chain 1-2,
Third level silicon chain 1-3, fourth stage silicon chain 1-4, level V silicon chain 1-5, the 6th grade of silicon chain 1-6 and the 7th grade of silicon chain 1-7.
The DC voltage sampling module 4 includes sampling relay, and the sampling relay is according to the conjunction measured
Lock bus value is made comparisons with setting value, determines whether to act, so that it is determined that using Pyatyi decompression or seven grades of decompressions.This programme
In, relay decision circuitry is sampled by DC voltage, judges to access voltage, automatically selects DC110V controller or DC220V
Controller, applicable power bus voltage DC110V system or DC220V system.
The manual adjustment knob 10 includes Pyatyi manual adjustment knob 10S1 and seven grades of manual adjustment knob 10S2, institute
The Pyatyi manual adjustment knob 10S1 stated is electrically connected with Pyatyi relay group, and the normally open end of the Pyatyi relay group is respectively at institute
State one end electrical connection of Pyatyi silicon chain；Seven grades of manual adjustment knob 10S2 are electrically connected with seven grades of relay groups, and described seven
The normally open end of grade relay group is electrically connected respectively at one end of seven grades of silicon chains.
The working principle of the device is as follows.
When device work is in auto state, change-over switch 9 is placed in " automatic " position, the emergency maintenance automatic voltage dropping silicon of power supply
Chain apparatus, work in " automatic " state, DC voltage sample relay (ZK) detection closing bus bar (HM) voltage, and with setting
Value DC187V compares, and when busbar voltage is higher than the upper limit (lower limit) of (being lower than) setting value, DC voltage samples relay (ZK)
Movement, if closing bus bar access is DC110V system, relay is failure to actuate, DC110V voltage class Regulation Control part work
Make, if closing bus bar access is DC220V system, relay normally open contact closure, DC220V voltage class Regulation Control portion
The division of labor is made；Automatic circuit can accurately detect silicon chain output voltage and (control in DC110V controller or DC220V controller
4 voltage of bus) and compared with setting value, when the upper limit (lower limit) of high (being lower than) setting value of 4 voltage of control bus, controller hair
Driving signal out drives high power relay (K1 ~ K5 or K6 ~ K13), is changed by executing disjunction or the closure of relay
The step-down value of silicon chain, so that it is guaranteed that 4 voltage value of control bus is within the scope of standard value.
When device work is in manual mode, change-over switch 9 is placed in " manual " position, is opened by external manual direction conversion
The disjunction or closure for closing 9 controls high power relay (K1 ~ K5 or K6 ~ K13) make voltage dropping silicon chain grouping investment or are shorted,
To change the output voltage (controlling female mother voltage KM) of silicon chain.
It is illustrated in figure 3 the 10 make and break contact figure of manual adjustment knob of the device, adjusting knob touches rotary switch, makes
Power bus voltage value is constant, and one grade of each manual voltage regulation makes 4 voltage change of control bus once until being adjusted to 4 electricity of control bus
Until pressure is equal with power bus voltage, revers voltage adjusting can also be carried out, the installation of change-over switch 9 may be provided at voltage dropping silicon chain peace
It in loading board, also may be mounted on direct current system instrument door, realize " automatic " and " manual " switching, DC110V system uses 5 grades
5*5=25V voltage is adjusted in change-over switch 9S1；DC220V system uses 7 grades of change-over switch 9S2, and 7*5=35V voltage is adjusted.
The specific embodiment of the above is a kind of the preferable of emergency maintenance automatic voltage dropping silicon chain device of power supply of the present invention
Embodiment, limits specific implementation range of the invention not with this, and the scope of the present invention includes being not limited to this specific implementation
Mode, equivalence changes made by all shape, structures according to the present invention are within the scope of the invention.
Claims (9)
1. a kind of emergency overhauls the automatic voltage dropping silicon chain device of power supply, including secondary battery unit (1), output bus end (2), direct current silicon
Chain voltage reduction module (3), DC voltage sampling module (4), relay module (5) and display (6), it is characterised in that: also wrap
The first voltage regulator controllers (7), the second voltage regulator controllers (8), change-over switch (9) and manual adjustment knob (10) have been included, has been converted
It switchs (9) to be electrically connected with first voltage regulator controllers (7) and the second voltage regulator controllers (8) respectively, the secondary battery unit
(1) output end is electrically connected with the input terminal of the direct current silicon chain voltage reduction module (3), the direct current silicon chain voltage reduction module (3)
Output end with tell output bus end (2) be electrically connected, the input terminal of the DC voltage sampling module (4) respectively with the difference
Export the output end electrical connection of bus end (2) and the secondary battery unit (1), the output of the DC voltage sampling module (4)
End is electrically connected with first voltage regulator controllers (7) and the second voltage regulator controllers (8) respectively, tells the first voltage regulator controllers (7)
It is electrically connected respectively with the input terminal of the relay module (5) with the second voltage regulator controllers (8), the relay module (5)
Control terminal is electrically connected with the driving end of the direct current silicon chain voltage reduction module (3), the manual adjustment knob (10) and it is described after
Electrical appliance module (5) electrical connection, the display (6) respectively with first voltage regulator controllers (7) and the second voltage regulator controllers (8)
Driving end electrical connection.
2. a kind of emergency according to claim 1 overhauls the automatic voltage dropping silicon chain device of power supply, it is characterised in that: described is straight
Flowing silicon chain voltage reduction module (3) includes seven section silicon chains.
3. a kind of emergency according to claim 1 overhauls the automatic voltage dropping silicon chain device of power supply, it is characterised in that: the relay
Device module (5) includes there are two relay group, and the relay group is adjusted with first voltage regulator controllers (7) and second respectively
The control terminal of pressure controller (8) is electrically connected.
4. a kind of emergency according to claim 3 overhauls the automatic voltage dropping silicon chain device of power supply, it is characterised in that: described two
Relay group includes Pyatyi relay group and seven grades of relay groups, the input of the Pyatyi relay group and seven grades of relay groups
End is electrically connected with the control terminal of first voltage regulator controllers (7) and the second voltage regulator controllers (8) respectively.
5. a kind of emergency according to claim 1 overhauls the automatic voltage dropping silicon chain device of power supply, it is characterised in that: described first
Voltage regulator controllers (7) are 110VDC voltage regulator controllers, and second voltage regulator controllers (8) are 220VDC voltage regulator controllers, described
110VDC voltage regulator controllers have Pyatyi silicon chain regulatory function, and the 220VDC voltage regulator controllers have seven grades of silicon chain regulatory functions.
6. a kind of emergency according to claim 5 overhauls the automatic voltage dropping silicon chain device of power supply, it is characterised in that: described
110VDC voltage regulator controllers correspond to Pyatyi silicon chain be respectively first order silicon chain 1-3, second level silicon chain 1-4, third level silicon chain 1-5,
Fourth stage silicon chain 1-6 and level V silicon chain 1-7.
7. a kind of emergency according to claim 5 overhauls the automatic voltage dropping silicon chain device of power supply, it is characterised in that: described
The corresponding seven grades of grade silicon chains of 220VDC voltage regulator controllers are respectively first order silicon chain 1-1, second level silicon chain 1-2, third level silicon chain 1-
3, fourth stage silicon chain 1-4, level V silicon chain 1-5, the 6th grade of silicon chain 1-6 and the 7th grade of silicon chain 1-7.
8. a kind of emergency according to claim 1 overhauls the automatic voltage dropping silicon chain device of power supply, it is characterised in that: described is straight
It includes sampling relay that galvanic electricity, which presses sampling module (4), and the sampling relay is according to the closing bus bar value and setting measured
Value is made comparisons, and determines whether to act, so that it is determined that using Pyatyi decompression or seven grades of decompressions.
9. a kind of emergency according to claim 4 overhauls the automatic voltage dropping silicon chain device of power supply, it is characterised in that: the hand
Dynamic adjusting knob (10) include Pyatyi manual adjustment knob S1 and seven grades of manual adjustment knob S2, and the Pyatyi manually adjusts rotation
Button S1 is electrically connected with Pyatyi relay group, and the normally open end of the Pyatyi relay group is electrically connected respectively at one end of the Pyatyi silicon chain
It connects；Seven grades of manual adjustment knob S2 are electrically connected with seven grades of relay groups, the normally open end difference of seven grades of relay groups
It is electrically connected in one end of seven grades of silicon chains.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811649747.4A CN109889035B (en) | 2018-12-30 | 2018-12-30 | Automatic voltage reduction silicon chain device for emergency maintenance power supply |
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|---|---|---|---|
| CN201811649747.4A CN109889035B (en) | 2018-12-30 | 2018-12-30 | Automatic voltage reduction silicon chain device for emergency maintenance power supply |
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| CN109889035B CN109889035B (en) | 2021-01-05 |
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| CN207134990U (en) * | 2017-07-18 | 2018-03-23 | 国网浙江省电力公司衢州供电公司 | Adjustable type voltage dropping silicon chain |
| CN208156541U (en) * | 2018-05-10 | 2018-11-27 | 河北银华电气有限公司 | Hand/automatic silicon chain regulator |
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| CN201335995Y (en) * | 2009-01-20 | 2009-10-28 | 河南新乡蓝森科技有限责任公司 | Intelligent silicon chain voltage regulating controller |
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