CN203788044U - Direct-current system and control device therefor - Google Patents
Direct-current system and control device therefor Download PDFInfo
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- CN203788044U CN203788044U CN201320588518.2U CN201320588518U CN203788044U CN 203788044 U CN203788044 U CN 203788044U CN 201320588518 U CN201320588518 U CN 201320588518U CN 203788044 U CN203788044 U CN 203788044U
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- disconnecting link
- sky
- current system
- storage battery
- direct current
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- 238000010586 diagram Methods 0.000 description 4
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- 238000012986 modification Methods 0.000 description 1
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The main objective of the utility model lies in providing a direct-current system and a control device thereof. The control device comprises a switch which is disposed in a locking loop of the direct-current system; and an electric control mechanism which is disposed in the direct-current system and used for controlling the switch. Through the system and device which are provided by the utility model, a problem that the manual operation of a knife switch in the prior art is liable to cause the misoperation of the direct-current system is solved, and the operation automation of the knife switch of the direct-current system is achieved, thereby achieving an effect that the direct-current operates safely and stably.
Description
Technical field
The utility model relates to control field, in particular to a kind of direct current system and control device thereof.
Background technology
Transformer station direct current system provides effective power-supply system for the interior secondary device of standing, and therefore, guarantees that direct current system moves most important with security and stability.The safety that the correctness of transformer station direct current system switch operation is directly connected to direct current system operation whether.
At present, on market, also there is not the design for the control device of transformer station direct current system switch operation, all adopt manual type to carry out to the switch operation of direct current system.Because all adopt manual type to carry out to the switch operation of direct current system, so human factor has played decisive role in operating process, easily like this cause direct current system misoperation, be unfavorable for that direct current system moves with security and stability.
Easily cause the problem of direct current system misoperation for manual operation disconnecting link in correlation technique, not yet propose at present effective solution.
Utility model content
Main purpose of the present utility model is to provide a kind of direct current system and control device thereof, easily causes the problem of direct current system misoperation to solve manual operation disconnecting link.
To achieve these goals, according to one side of the present utility model, provide a kind of control device of direct current system, having comprised: switch, has been arranged in the locked loop of direct current system; And electric control mechanism, be arranged in direct current system, for control switch.
Further, switch comprises total output disconnecting link, storage battery disconnecting link, and mother disconnecting link, charger output sky opens and the sky that discharges is opened.
Further, total output disconnecting link comprises: first total output disconnecting link and second total output disconnecting link, storage battery disconnecting link comprises: the first storage battery disconnecting link and the second storage battery disconnecting link, charger output sky leaves and comprises: the first charger output sky is opened with the second charger output sky and opened, and electric discharge sky is opened and comprised: the first electric discharge sky is opened with the second electric discharge sky and opened.
Further, direct current system comprises the first bus, the second bus, the first charger, the second charger, the first storage battery, the second storage battery and Intelligent discharge load, mother disconnecting link one end connects the first bus and first total output disconnecting link, and the mother disconnecting link other end connects the second bus and second total output disconnecting link; First total output disconnecting link one end connects mother disconnecting link and the first bus, and first total output disconnecting link other end connects that the first charger output sky is opened, the first storage battery and the first electric discharge sky are opened; Second total output disconnecting link one end connects mother disconnecting link and the second bus, and second total output disconnecting link other end connects that the second charger output sky is opened, the second storage battery and the second electric discharge sky are opened; The first charger output sky is opened one end and is connected the first charger, and the first charger output sky is opened the total output disconnecting link of other end connection first, the first storage battery disconnecting link and the first electric discharge sky and opened; The second charger output sky is opened one end and is connected the second charger, and the second charger output sky is opened the other end and connected second total output disconnecting link, the second storage battery disconnecting link, and the second electric discharge sky is opened; First storage battery disconnecting link one end connects the first storage battery, and the first storage battery disconnecting link other end connects first total output disconnecting link, the first charger output sky is opened with the first electric discharge sky and opened; Second storage battery disconnecting link one end connects the second storage battery, and the second storage battery disconnecting link other end connects second total output disconnecting link, the second charger output sky is opened with the second electric discharge sky and opened; The first electric discharge sky opens that one end connects Intelligent discharge load and the second electric discharge sky is opened, and the first electric discharge sky is opened the other end and connected that the first charger output sky is opened, the first total output disconnecting link and the first storage battery; And second electric discharge sky open that one end connects Intelligent discharge load and the first electric discharge sky is opened, the second electric discharge sky is opened the other end and is connected that the second charger output sky is opened, the second total output disconnecting link and the second storage battery.
Further, electric control mechanism comprises: the first control piece, for controlling separating brake and the combined floodgate of mother disconnecting link; The second control piece, for controlling separating brake and the combined floodgate of first total output disconnecting link; The 3rd control piece, for controlling the second total output disconnecting link separating brake and combined floodgate; The 4th control piece, opens separating brake and combined floodgate for controlling the first electric discharge sky; And the 5th control piece, open separating brake and combined floodgate for controlling the second electric discharge sky.
Further, switch comprises: first pair of auxiliary contact, for controlling the electric blocking relation of direct current system; And second pair of auxiliary contact, for controlling the logic blocking relation of direct current system.
To achieve these goals, according on the other hand of the present utility model, provide a kind of direct current system, this direct current system comprises the control device of any direct current system that the utility model foregoing provides.
Pass through the utility model, adopt switch and electric control mechanism, wherein, switch is arranged in the locked loop of direct current system, and electric control mechanism is arranged in direct current system, electric control mechanism is according to the separating brake of control command control switch and combined floodgate, solve the problem that in prior art, manual operation disconnecting link easily causes direct current system misoperation, realized the automation of direct current system switch operation, and then reached the effect that direct current system is moved with security and stability.
Brief description of the drawings
The accompanying drawing that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is according to the structure chart of the direct current system control device of the utility model embodiment;
Fig. 2 is according to the circuit diagram of the locked loop of the utility model embodiment;
Fig. 3 is according to the schematic diagram of the control loop of the utility model embodiment; And
Fig. 4 is according to the structure chart of the direct current system of the utility model embodiment.
Embodiment
It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the application can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
The utility model embodiment provides a kind of control device of direct current system, and the control device of this direct current system has the function of controlling disconnecting link automatic operation.The control device of the direct current system below the utility model embodiment being provided is specifically introduced:
Fig. 1 is according to the structure chart of the control device of the direct current system of the utility model embodiment.
As shown in Figure 1, the control device of the direct current system of the present embodiment comprises switch 10 and electric control mechanism 20.Switch 10 is arranged in the locked loop of direct current system, and electric control mechanism 20 is arranged in direct current system, for control switch 10.
By adopting switch 10, and switch is arranged in the locked loop of direct current system, form multiple latching relation, also adopt electric control mechanism 20 simultaneously, and electric control mechanism 20 is arranged in direct current system, separating brake and the combined floodgate of the control command control switch 10 that electric control mechanism 20 sends according to remote controller.By adopting this kind of structure, in the multiple latching relation of direct current system, separating brake and the combined floodgate of the control command control switch 10 that electric control mechanism 20 sends according to remote controller, realize the automation of direct current system switch operation, solve manual operation disconnecting link and easily occurred the problem of misoperation, and then reached the effect that direct current system is moved with security and stability.
The switch 10 that the utility model embodiment adopts is with two pairs of auxiliary contacts, and two pairs of auxiliary contacts are respectively first pair of auxiliary contact and second pair of auxiliary contact.First pair of auxiliary contact, for controlling the electric blocking relation of direct current system, realized the execute-in-place of disconnecting link, and second pair of auxiliary contact, for controlling the logic blocking relation of direct current system, realized the simulated operation of disconnecting link.Wherein, the execute-in-place of disconnecting link is corresponding one by one with simulated operation.
The switch 10 of the utility model embodiment can comprise total output disconnecting link, storage battery disconnecting link, and mother disconnecting link 103, charger output sky opens and the sky that discharges is opened.Wherein, always export disconnecting link and can also comprise first total output disconnecting link 1011 and second total output disconnecting link 1012; Storage battery disconnecting link can also comprise the first storage battery disconnecting link 1021 and the second storage battery disconnecting link 1022; Charger output sky open can also comprise the first charger output sky open 1041 and second charger output sky open 1042; Electric discharge sky open can also comprise the first electric discharge sky open 1051 and second electric discharge sky open 1052.
By adopting total output disconnecting link, storage battery disconnecting link, mother disconnecting link 103, charger output sky opens and the sky that discharges is opened, and is arranged in circuit, can in direct current system, form multiple electric blocking relation.
Fig. 2 is according to the circuit diagram of the locked loop of the utility model embodiment.
As shown in Figure 2, the locked loop of the utility model embodiment comprises switch 10, the first bus L1, the second bus L2, the first charger U1, the second charger U2, the first storage battery C1, the second storage battery C2 and Intelligent discharge load L, and its annexation is as follows:
Mother disconnecting link 103 one end connect the first bus L1 and first total output disconnecting link 1011, and mother disconnecting link 103 other ends connect described the second bus L2 and second total output disconnecting link 1012; First total output disconnecting link 1011 one end connect mother disconnecting links 103 and the first bus L1, and first total output disconnecting link 1011 other ends connect that the first charger output sky opens 1041, the first storage battery disconnecting link 1021 and the first electric discharge sky open 1051; Second total output disconnecting link 1012 one end connect mother disconnecting links 103 and the second bus L2, and second total output disconnecting link 1012 other ends connect that the second charger output sky opens 1042, the second storage battery disconnecting link 1022 and the second electric discharge sky open 1052; The first charger output sky is opened 1041 one end and is connected the first charger U1, and the first charger output sky is opened the total output disconnecting link 1011 of 1041 other ends connection first, the first storage battery disconnecting link 1021 and the first electric discharge sky and opened 1051; The second charger output sky is opened 1042 one end and is connected the second charger U2, and the second charger output sky is opened the total output disconnecting link 1012 of 1042 other ends connection second, the second storage battery disconnecting link 1022 and the second electric discharge sky and opened 1052; First storage battery disconnecting link 1021 one end connect the first storage battery C1, first storage battery disconnecting link 1021 other ends connect first total output disconnecting link 1011, the first charger output sky open 1041 and first electric discharge sky open 1051; Second storage battery disconnecting link 1022 one end connect the second storage battery C2, second storage battery disconnecting link 1022 other ends connect second total output disconnecting link 1012, the second charger output sky open 1042 and second electric discharge sky open 1052; The first electric discharge sky is opened 1051 one end and is connected Intelligent discharge load L and the second electric discharge sky and open 1052, the first electric discharge skies and open 1051 other ends and connect that the first charger output sky opens 1041, the first total output disconnecting link 1011 and the first storage battery disconnecting link 1021; And second electric discharge sky open 1052 one end and connect Intelligent discharge load L and the first electric discharge sky and open 1051, the second electric discharge skies and open 1052 other ends and connect that the second charger output sky opens 1042, the second total output disconnecting link 1012 and the second storage battery disconnecting link 1022.
Foregoing circuit by the present embodiment connects, and switch 10 is with auxiliary contact, therefore in direct current system, can form multiple latching relation.These latching relations can comprise the latching relation of mother disconnecting link 103, first total output disconnecting link 1011 and second total output disconnecting link 1012, also can comprise that the first electric discharge sky opens 1051, the second electric discharge emptyly opens 1052, first total output disconnecting link 1011, the first charger output are empty opens 1041 and the latching relation of the first storage battery disconnecting link 1021, can also comprise that the first electric discharge sky opens 1051, the second electric discharge is empty opens that 1,052 second total output disconnecting links 1012, the second charger output are empty opens 1042 and the latching relation of the second storage battery disconnecting link 1022.
Preferably, the above-mentioned latching relation of the present embodiment can be set to barring condition as shown in the table:
The latching relation adopting by upper table and barring condition can be found out:
The first latching relation: when mother disconnecting link 103 is carried out separating brake or closed a floodgate, first total output disconnecting link 1011 and second total output disconnecting link 1012 must be in "on" position.The second latching relation: when first total output disconnecting link 1011 is carried out separating brake or closed a floodgate, mother disconnecting link 103 and second total output disconnecting link 1012 must be in "on" position.The 3rd latching relation: when second total output disconnecting link 1012 is carried out separating brake or closed a floodgate, first total output disconnecting link 1011 and mother disconnecting link 103 must be in "on" position.The 4th latching relation: when the first electric discharge sky is opened 1051 separating brake and closed a floodgate, the second electric discharge sky opens 1052, first total output disconnecting link 1011 separating brakes and the first charger output sky are opened 1041 separating brakes, and the first storage battery disconnecting link 1021 closes a floodgate.The 5th latching relation: when the second electric discharge sky is opened 1052 separating brakes or closed a floodgate, the first electric discharge sky opens 1051, second total output disconnecting link 1012 and the second charger output sky are opened 1042 separating brakes, and the second storage battery disconnecting link 1022 closes a floodgate.
By adopting above-mentioned latching relation, in the time of direct current system normal power supply, can avoid because the misoperation of mother disconnecting link 103, first total output disconnecting link 1011 and second total output disconnecting link 1012 causes the dead electricity of the first bus L1 and the second bus L2, and then reach the effect that direct current system safely and steadily runs.By adopting above-mentioned latching relation, in the time of storage battery power supply, can avoid always exporting that disconnecting link, storage battery disconnecting link, charger output are empty opens and misoperation that the sky that discharges is opened causes the dead electricity of direct current system intelligent discharge load L, and then reach the effect that direct current system is moved with security and stability.
Fig. 3 is according to the schematic diagram of the control loop of the utility model embodiment.
As shown in Figure 3, the control loop of the present embodiment can by+KM/-KM (+KM/-KM represents power supply positive/negative), fusible link R1 and fusible link R2, switch 10, remote controller and electric control mechanism 20 be formed by connecting.+ KM/-KM (+KM/-KM represents power supply positive/negative) can provide power supply for control circuit.In the situation such as overcurrent, overvoltage, fusible link R1 and fusible link R2 can open circuit with the safety of protective circuit.Switch 10 is for the connecting and disconnecting of circuit.In circuit, switch 10 can form multiple latching relation.Remote controller YK is used for sending control command, and wherein, remote controller YK can be one, is used for controlling many locked loops, and remote controller YK can be also multiple, and each remote controller YK controls a locked loop.Electric control mechanism 20 can comprise the first control piece 201, the second control piece 202, the 3rd control piece 203, the 4th control piece 204 and the 5th control piece 205.
Control loop by the present embodiment can be found out:
The first locked loop: only have and send the control command of opening a sluice gate or close a floodgate when remote controller, and first total output disconnecting link 1011 and second total output disconnecting link 1012 be while closing a floodgate simultaneously, the first control piece 201 could be controlled separating brake or the combined floodgate of mother disconnecting link 103.The second locked loop: only have and send the control command of opening a sluice gate or close a floodgate when remote controller, and mother disconnecting link 103 and second total output disconnecting link 1012 be while closing a floodgate simultaneously, the second control piece 202 could be controlled the first separating brake or combined floodgate of always exporting disconnecting link 1011.The 3rd locked loop: only have and send the control command of opening a sluice gate or close a floodgate when remote controller, and first total output disconnecting link 1011 and mother disconnecting link 103 be while closing a floodgate simultaneously, the 3rd control piece 203 could be controlled the second separating brake or combined floodgate of always exporting disconnecting link 1012.The 4th locked loop: only have and send the control command of opening a sluice gate or close a floodgate when remote controller, and the second electric discharge sky opens 1052, first total output disconnecting link 1011 and the first charger output sky are opened 1041 separating brakes, when the first storage battery disconnecting link 1021 closes a floodgate, the 4th control piece 204 could be controlled empty 1051 separating brake and the combined floodgate opened of the first electric discharge.The 5th locked loop: only have and send the control command of opening a sluice gate or close a floodgate when remote controller, and the first electric discharge sky opens 1051, second total output disconnecting link 1012 and the second charger output sky are opened 1042 separating brakes, when the second storage battery disconnecting link 1022 closes a floodgate, the 5th control piece 205 could be controlled empty 1052 separating brake and the combined floodgate opened of the second electric discharge.
By above-mentioned control loop, the control command that each control piece of electric control mechanism 20 receives and sends according to remote controller YK is carried out separating brake and combined floodgate to the switch 10 on corresponding control loop, realize the automation of direct current system switch operation, while having avoided direct current system manual operation disconnecting link, easily produce the problem of misoperation, and then reached the effect that direct current system is moved with security and stability.
Embodiment of the present utility model also provides a kind of direct current system.The controllability with operation of this direct current system, controllability and in control property.
Fig. 4 is according to the structure chart of the direct current system of the utility model embodiment.
As shown in Figure 4, the direct current system of the utility model embodiment comprises the control device of above-mentioned direct current system, and the control device of direct current system is arranged in direct current system, for controlling automatic brake separating or the combined floodgate of disconnecting link of direct current system.
By adopting the direct current system of the present embodiment, automatic brake separating or the combined floodgate of the disconnecting link of the control device control direct current system of direct current system, realize the automation control of direct current system switch operation, guarantee the controllability safely and steadily running of direct current system, improve the reliability of direct current system, and then reached the effect that direct current system safely and steadily runs.
The modules of mentioning in the utility model and/or unit are module and/or the unit determining shape structure and occupy certain space.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (7)
1. a control device for direct current system, is characterized in that, comprising:
Switch (10), is arranged in the locked loop of direct current system; And
Electric control mechanism (20), is arranged in described direct current system, for controlling described switch (10).
2. the control device of direct current system according to claim 1, is characterized in that, described switch (10) comprises total output disconnecting link, storage battery disconnecting link, and mother disconnecting link (103), charger output sky opens and the sky that discharges is opened.
3. the control device of direct current system according to claim 2, is characterized in that,
Described total output disconnecting link comprises: first total output disconnecting link (1011) and second total output disconnecting link (1012),
Described storage battery disconnecting link comprises: the first storage battery disconnecting link (1021) and the second storage battery disconnecting link (1022),
Described charger output sky is opened and is comprised: the first charger output sky opens (1041) and the second charger output sky is opened (1042),
Described electric discharge sky is opened and is comprised: the first electric discharge sky opens (1051) and the second electric discharge sky is opened (1052).
4. the control device of direct current system according to claim 3, described direct current system comprises the first bus (L1), the second bus (L2), the first charger (U1), the second charger (U2), the first storage battery (C1), the second storage battery (C2) and Intelligent discharge load (L), is characterized in that:
Described mother disconnecting link (103) one end connects described the first bus (L1) and described first total output disconnecting link (1011), and described mother disconnecting link (103) other end connects described the second bus (L2) and described second total output disconnecting link (1012);
Described first total output disconnecting link (1011) one end connects described mother disconnecting link (103) and described the first bus (L1), and described first total output disconnecting link (1011) other end connects described the first charger output sky and opens (1041), described the first storage battery (C1) and described first sky that discharges and open (1051);
Described second total output disconnecting link (1012) one end connects described mother disconnecting link (103) and described the second bus (L2), and described second total output disconnecting link (1012) other end connects described the second charger output sky and opens (1042), described the second storage battery (C2) and described second sky that discharges and open (1052);
Described the first charger output sky is opened (1041) one end and is connected the first charger (U1), and described the first charger output sky is opened (1041) other end and connected described first total output disconnecting link (1011), described the first storage battery disconnecting link (1021) and described first sky that discharges and open (1051);
Described the second charger output sky is opened (1042) one end and is connected the second charger (U2), described the second charger output sky is opened (1042) other end and is connected the described second total output disconnecting link (1012), described the second storage battery disconnecting link (1022), and described the second electric discharge sky is opened (1052);
Described first storage battery disconnecting link (1021) one end connects the first storage battery (C1), and described first storage battery disconnecting link (1021) other end connects described first total output disconnecting link (1011), described the first charger output sky opens (1041) and the first electric discharge sky is opened (1051);
Described second storage battery disconnecting link (1022) one end connects the second storage battery (C2), and described second storage battery disconnecting link (1022) other end connects described second total output disconnecting link (1012), described the second charger output sky opens (1042) and the second electric discharge sky is opened (1052);
Described the first electric discharge sky opens that (1051) one end connects Intelligent discharge load (L) and the second electric discharge sky is opened (1052), and described the first electric discharge sky is opened (1051) other end and connected described the first charger output sky and open (1041), described first and always export disconnecting link (1011) and described first storage battery (C1); And
Described the second electric discharge sky opens that (1052) one end connects Intelligent discharge load (L) and the first electric discharge sky is opened (1051), and described the second electric discharge sky is opened (1052) other end and connected described the second charger output sky and open (1042), described second and always export disconnecting link (1012) and described second storage battery (C2).
5. the control device of direct current system according to claim 4, described electric control mechanism (20) comprising:
The first control piece (201), for controlling separating brake and the combined floodgate of mother disconnecting link (103);
The second control piece (202), for controlling separating brake and the combined floodgate of first total output disconnecting link (1011);
The 3rd control piece (203), for controlling the second total output disconnecting link (1012) separating brake and combined floodgate;
The 4th control piece (204), opens (1051) separating brake and combined floodgate for controlling the first electric discharge sky; And
The 5th control piece (205), opens (1052) separating brake and combined floodgate for controlling the second electric discharge sky.
6. the control device of direct current system according to claim 1, is characterized in that, described switch comprises:
First pair of auxiliary contact, for controlling the electric blocking relation of described direct current system; And
Second pair of auxiliary contact, for controlling the logic blocking relation of described direct current system.
7. a direct current system, is characterized in that, comprises the control device of the direct current system described in any one in claim 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320588518.2U CN203788044U (en) | 2013-09-23 | 2013-09-23 | Direct-current system and control device therefor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320588518.2U CN203788044U (en) | 2013-09-23 | 2013-09-23 | Direct-current system and control device therefor |
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| Publication Number | Publication Date |
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| CN203788044U true CN203788044U (en) | 2014-08-20 |
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| CN201320588518.2U Expired - Fee Related CN203788044U (en) | 2013-09-23 | 2013-09-23 | Direct-current system and control device therefor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104467172A (en) * | 2013-09-23 | 2015-03-25 | 国家电网公司 | Direct current system and control device thereof |
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2013
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104467172A (en) * | 2013-09-23 | 2015-03-25 | 国家电网公司 | Direct current system and control device thereof |
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