CN201699423U - Three-phase power voltage stabilizer with three-phase simultaneous output function and three-single-phase independent output function - Google Patents
Three-phase power voltage stabilizer with three-phase simultaneous output function and three-single-phase independent output function Download PDFInfo
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- CN201699423U CN201699423U CN2010202283182U CN201020228318U CN201699423U CN 201699423 U CN201699423 U CN 201699423U CN 2010202283182 U CN2010202283182 U CN 2010202283182U CN 201020228318 U CN201020228318 U CN 201020228318U CN 201699423 U CN201699423 U CN 201699423U
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Abstract
The utility model discloses a three-phase power voltage stabilizer with three-phase simultaneous output function and three-single-phase independent output function, which can meet the requirements of power utilization equipment on the output function of the voltage stabilizer. The three-phase power voltage stabilizer comprises a main circuit (1) and a control circuit (2). The main circuit (1) comprises an air switch (11), a voltage stabilizing circuit (12), a three-phase independent output circuit (13) and a three-phase simultaneous output circuit (14). The control circuit (2) comprises coils (21) of AC contactors KM, KMA, KMB and KMC, an allowable output electric relay (22) and an auxiliary contact (23). The control circuit (2) controls the main circuit (1) to realize three-phase simultaneous output function and three-single-phase independent output function, thereby meeting the requirements of power utilization equipment on the output function of the voltage stabilizer. The three-phase power voltage stabilizer provided by the utility model can be widely used in the field of power voltage stabilizers.
Description
Technical field
The utility model relates to the electric power voltage stabilizer field, and particularly behind the three-phase power voltage regulator in the level power consumption equipment, a part of power consumption equipment has three phase mains and imports requirement simultaneously, can three the single-phase electricity consumption places of input respectively of another part power consumption equipment.
Background technology
Back level three-phase power consumption equipment in the power supply load of three-phase power voltage regulator, as: three-phase air-conditioning, water pump, blower fan etc., all require three phase mains to import simultaneously and do not allow phase shortage, otherwise the three-phase power consumption equipment can damage because of phase-deficient operation.In order to prevent to burn the three-phase power consumption equipment because of the power supply phase shortage, pressurizer is equipped with " phase shortage " defencive function, and pressurizer disconnects voltage stabilizing output when phase shortage appears in power supply, cuts off three phase mains simultaneously and prevents that the three-phase power consumption equipment from damaging because of single phasing.
Though it is three phase mains inputs that some electricity consumption place power consumption equipments are arranged, when power supply lacks a phase even lacks the normal operation that two phase times do not influence power consumption equipment.As in electricity consumption places such as communication base station, microwave base station, telecommunications room, export the rectifier power source cabinet by the three phase mains input to through the three-phase pressurizer, by the rectifier power source cabinet backward a level power consumption equipment provide DC power supply and to batteries charging, when the three-phase alternating-current supply phase shortage of input, do not influence back level power consumption equipment operation.The open-phase protection function is unnecessary under above-mentioned power utilization environment; pressurizer cuts off the continuity that three-phase output meeting reduces power supply greatly because of phase shortage; especially in important electricity consumption places such as above-mentioned unattended communication base station, microwave base station, telecommunications room, can not satisfy requirement to the sharp reliability of power supply continuity.
In sum, when both having had the equipment (as the three-phase air-conditioning) that does not allow phase shortage in the level three-phase power consumption equipment behind the pressurizer, when having three the single-phase equipment that can import respectively (as the rectifier power source cabinet) again, three-phase power voltage regulator of the prior art has just demonstrated defective, can not satisfy the requirement of power consumption equipment to the pressurizer output function simultaneously.
The utility model content
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, provides a kind of and has that three-phase is exported simultaneously and the three-phase power voltage regulators of three single-phase respectively output functions, satisfies the requirement of power consumption equipment to the pressurizer output function.
The technical scheme that the utility model adopted is: the utility model comprises main circuit, described main circuit comprises air switch, voltage stabilizing circuit, it also comprises three-phase output circuit respectively, three-phase is output circuit simultaneously, described voltage stabilizing circuit comprises A phase voltage stabilizing circuit, B phase voltage stabilizing circuit, the C voltage stabilizing circuit, described three-phase output circuit respectively comprises the main contact of on-load switch KMA, the main contact of on-load switch KMB, the main contact of on-load switch KMC, described three-phase while output circuit comprises three main contact KM-1 of on-load switch KM, KM-2, KM-3, three inputs of described air switch are connected respectively with three phase lines of three phase mains, three outputs of described air switch connect described A phase voltage stabilizing circuit respectively, B phase voltage stabilizing circuit, the input of C voltage stabilizing circuit, described A phase voltage stabilizing circuit, B phase voltage stabilizing circuit, the described on-load switch KMA main contact of the corresponding respectively connection of the output of C voltage stabilizing circuit, on-load switch KMB main contact, the input of on-load switch KMC main contact, described on-load switch KMA main contact, on-load switch KMB main contact, the output of on-load switch KMC main contact connects the load equipment that does not need three-phase to power simultaneously respectively, described A phase voltage stabilizing circuit, B phase voltage stabilizing circuit, also corresponding respectively three the main contact KM-1 that connect described on-load switch KM of the output of C voltage stabilizing circuit, KM-2, the input of KM-3, described three main contact KM-1, KM-2, the output of KM-3 connects the load equipment that needs three-phase to power simultaneously.
The utility model also comprises control circuit, described on-load switch KM, KMA, KMB, KMC is A.C. contactor, described control circuit comprises circuit main board and described A.C. contactor KM, KMA, KMB, the coil of KMC, allow output relay and auxiliary contact, described permission output relay comprises relay K A, KB, KC, corresponding respectively control three-phase is exported described auxiliary contact and is comprised described A.C. contactor KMA, KMB, the auxiliary contact KMA-a of KMC, KMB-a, KMC-a, described A.C. contactor KMA, KMB, the described relay K A of the corresponding respectively series connection of the coil of KMC, KB, be parallel to respectively again behind the normally open contact of KC between the corresponding phase line and zero line of voltage stabilizing output, the coil of described A.C. contactor KM and described auxiliary contact KMA-a, KMB-a, be parallel between arbitrary phase line zero line of voltage stabilizing output described relay (KA) after the KMC-a series connection, (KB), (KC) coil and control circuit device thereof are on described circuit main board (24).
The beneficial effects of the utility model are: it comprises main circuit owing to the utility model, described main circuit comprises air switch, voltage stabilizing circuit, it also comprises three-phase output circuit respectively, three-phase is output circuit simultaneously, described voltage stabilizing circuit comprises A phase voltage stabilizing circuit, B phase voltage stabilizing circuit, the C voltage stabilizing circuit, described three-phase output circuit respectively comprises the main contact of on-load switch KMA, the main contact of on-load switch KMB, the main contact of on-load switch KMC, described three-phase while output circuit comprises three main contact KM-1 of on-load switch KM, KM-2, KM-3, three inputs of described air switch are connected respectively with three phase lines of three phase mains, three outputs of described air switch connect described A phase voltage stabilizing circuit respectively, B phase voltage stabilizing circuit, the input of C voltage stabilizing circuit, described A phase voltage stabilizing circuit, B phase voltage stabilizing circuit, the described on-load switch KMA main contact of the corresponding respectively connection of the output of C voltage stabilizing circuit, on-load switch KMB main contact, the input of on-load switch KMC main contact, described on-load switch KMA main contact, on-load switch KMB main contact, the output of on-load switch KMC main contact connects the load equipment that does not need three-phase to power simultaneously respectively, described A phase voltage stabilizing circuit, B phase voltage stabilizing circuit, also corresponding respectively three the main contact KM-1 that connect described on-load switch KM of the output of C voltage stabilizing circuit, KM-2, the input of KM-3, described three main contact KM-1, KM-2, the output of KM-3 connects the load equipment that needs three-phase to power simultaneously.The utility model also comprises control circuit, described on-load switch KM, KMA, KMB, KMC is A.C. contactor, described control circuit comprises circuit main board and described A.C. contactor KM, KMA, KMB, the coil of KMC, allow output relay and auxiliary contact, described permission output relay comprises relay K A, KB, KC, the output of corresponding respectively control three-phase, described auxiliary contact comprises described A.C. contactor KMA, KMB, the auxiliary contact KMA-a of KMC, KMB-a, KMC-a, described A.C. contactor KMA, KMB, the described relay K A of the corresponding respectively series connection of the coil of KMC, KB, be parallel to respectively again behind the normally open contact of KC between the corresponding phase line and zero line of voltage stabilizing output, the coil of described A.C. contactor KM and described auxiliary contact KMA-a, KMB-a, be parallel between arbitrary phase line and zero line of voltage stabilizing output described relay (KA) after the KMC-a series connection, (KB), (KC) coil and control circuit device thereof are on described circuit main board.So the utility model is a kind ofly to have that three-phase is exported simultaneously and the three-phase power voltage regulators of three single-phase respectively output functions, can satisfy the requirement of power consumption equipment to the pressurizer output function.
Description of drawings
Fig. 1 is the utility model main circuit structure schematic diagram;
Fig. 2 is the utility model control circuit structural representation.
Embodiment
As Fig. 1, shown in Figure 2, it comprises main circuit 1 the utility model, described main circuit 1 comprises air switch 11, voltage stabilizing circuit 12, it also comprises three-phase output circuit 13 respectively, three-phase is output circuit 14 simultaneously, described voltage stabilizing circuit 12 comprises voltage stabilizing circuit A, voltage stabilizing circuit B, voltage stabilizing circuit C, described three-phase output circuit 13 respectively comprises the main contact of on-load switch KMA, the main contact of on-load switch KMB, the main contact of on-load switch KMC, described three-phase while output circuit 14 comprises three main contact KM-1 of on-load switch KM, KM-2, KM-3, three inputs of described air switch 11 are connected respectively with three phase lines of three phase mains, three outputs of described air switch 11 connect described voltage stabilizing circuit A respectively, voltage stabilizing circuit B, the input of voltage stabilizing circuit C, described voltage stabilizing circuit A, voltage stabilizing circuit B, the described on-load switch KMA main contact of the corresponding respectively connection of the output of voltage stabilizing circuit C, on-load switch KMB main contact, the input of on-load switch KMC main contact, described on-load switch KMA main contact, on-load switch KMB main contact, the output of on-load switch KMC main contact connects the load equipment that does not need three-phase to power simultaneously respectively, described voltage stabilizing circuit A, voltage stabilizing circuit B, also corresponding respectively three the main contact KM-1 that connect described on-load switch KM of the output of voltage stabilizing circuit C, KM-2, the input of KM-3, described three main contact KM-1, KM-2, the output of KM-3 connects the load equipment that needs three-phase to power simultaneously.
The utility model also comprises control circuit 2, described on-load switch KM, KMA, KMB, (KMC) be A.C. contactor, described control circuit 2 comprises circuit main board 24 and described A.C. contactor KM, KMA), (KMB, the coil 21 of KMC, allow output relay 22 and auxiliary contact 23, described permission output relay 22 comprises relay K A, KB, KC, the output of corresponding respectively control three-phase, described shop helps contact 23 to comprise described A.C. contactor KMA, KMB, the auxiliary contact KMA-a of KMC, KMB-a, KMC-a, described A.C. contactor KMA, KMB, the described relay K A of the corresponding respectively series connection of the coil of KMC, KB, be parallel to respectively again behind the normally open contact of KC between the corresponding phase line and zero line of voltage stabilizing output, the coil of described A.C. contactor KM and described auxiliary contact KMA-a, KMB-a, be parallel between arbitrary phase line and zero line of voltage stabilizing output described relay (KA) after the KMC-a series connection, (KB), (KC) coil and control circuit device thereof are on described circuit main board (24).
The circuit theory of present embodiment:
One, three single-phase outputs respectively: comprise the sharp control circuit of main circuit, three A.C. contactor KMA, KMB in the main circuit, the main contact of KMC are connected on respectively between A, B, C three-phase circuit output end of pressure-stabilizing and the load.Control circuit comprises the coil of o controller and above-mentioned three contactors, o controller comprises KA, KB, three pairs of output of KC control interface, KA, KB, three pairs of output of KC control interface correspondence respectively are connected on described contactor coil and control in the electric power loop, and the control power supply of three A.C. contactors is taken from the voltage stabilizing output of corresponding phase respectively.When a certain phase in the three phase mains or two-phase phase shortage occurred or break down, a pressurizer disengagement failure was exported mutually, and non-fault still can keep voltage stabilizing output mutually, when fault recovers just often to recover automatically voltage stabilizing output mutually.
Two, three-phase while output: main circuit is made up of a three-phase ac contactor KM, and the three-phase main contact of KM is connected on output end of pressure-stabilizing and three-phase is used between the electric loading.Control circuit comprises auxiliary normally open contact KMA-a, KMB-a, the KMC-a of three A.C. contactor KMA, KMB, KMC, be connected on A.C. contactor KM coil respectively and control in the electric power loop, the control power supply of three-phase ac contactor KM is taken from the voltage stabilizing output of any phase.
Three phase mains three-phase output just often control interface KA, KB, KC are converted to closure state by often opening, the coil of A.C. contactor KMU, KMV, KMW gets electric adhesive, the auxiliary normally open contact of A.C. contactor KMU, KMV, KMW is converted to closure state by often opening, and this moment, the path of KM coil was: U2 → KMU (normally closed) → KMV (normally closed) → KMW (normally closed) → KM (coil) → N.The closed three phase mains of the main contact of three-phase ac contactor KM is exported simultaneously.
When a certain phase in the three phase mains or two-phase phase shortage occurs or break down, A.C. contactor KMA, the KMB of corresponding phase or the voltage stabilizing that the KMC main contact disconnects this phase output, the auxilliary head of often opening of this cross streams contactor returns to normally open by closure state simultaneously, and this moment, three-phase ac contactor KM coil blackout cut off three-phase output.Promptly when three phase mains all just often A.C. contactor KM coil could switch on inhale with, realized three-phase while output function.
The utility model can be widely used in the electric power voltage stabilizer field, be adapted to especially behind the three-phase power voltage regulator in the level power consumption equipment, part power consumption equipment has three phase mains and imports requirement simultaneously, and another part power consumption equipment can three single-phase electricity consumption places of input respectively.
Claims (2)
1. one kind has three-phase and three single-phase three-phase power voltage regulators of output function respectively, it comprises main circuit (1), described main circuit (1) comprises air switch (11), voltage stabilizing circuit (12), it is characterized in that: it also comprises three-phase output circuit (13) respectively, three-phase is output circuit (14) simultaneously, described voltage stabilizing circuit (12) comprises voltage stabilizing circuit A, voltage stabilizing circuit B, voltage stabilizing circuit C, described three-phase difference output circuit (13) comprises the main contact of on-load switch KMA, the main contact of on-load switch KMB, the main contact of on-load switch KMC, described three-phase while output circuit (14) comprises three main contact KM-1 of on-load switch KM, KM-2, KM-3, three inputs of described air switch (11) are connected respectively with three phase lines of three phase mains, three outputs of described air switch (11) connect described voltage stabilizing circuit A respectively, voltage stabilizing circuit B, the input of voltage stabilizing circuit C, described voltage stabilizing circuit A, voltage stabilizing circuit B, the described on-load switch KMA main contact of the corresponding respectively connection of the output of voltage stabilizing circuit C, on-load switch KMB main contact, the input of on-load switch KMC main contact, described on-load switch KMA main contact, on-load switch KMB main contact, the output of on-load switch KMC main contact connects the load equipment that does not need three-phase to power simultaneously respectively, described voltage stabilizing circuit A, voltage stabilizing circuit B, also corresponding respectively three the main contact KM-1 that connect described on-load switch KM of the output of voltage stabilizing circuit C, KM-2, the input of KM-3, described three main contact KM-1, KM-2, the output of KM-3 connects the load equipment that needs three-phase to power simultaneously.
2. the three-phase power voltage regulators with three-phase and three single-phase difference output functions according to claim 1, it is characterized in that: it also comprises control circuit (2), described on-load switch KM, KMA, KMB, KMC is A.C. contactor, described control circuit (2) comprises circuit main board (24) and described A.C. contactor KM, KMA, KMB, the coil of KMC (21), allow output relay (22) and auxiliary contact (23), described permission output relay (22) comprises relay K A, KB, KC, corresponding respectively control three-phase voltage stabilizing output, described auxiliary contact (23) comprises described A.C. contactor KMA, KMB, the auxiliary contact KMA-a of KMC, KMB-a, KMC-a, described A.C. contactor KMA, KMB, the described relay K A of the corresponding respectively series connection of the coil of KMC, KB, be parallel to respectively again behind the normally open contact of KC between the corresponding phase line and zero line of voltage stabilizing output, the coil of described A.C. contactor KM and described auxiliary contact KMA-a, KMB-a, be parallel between arbitrary phase line and zero line of voltage stabilizing output described relay K A after the KMC-a series connection, KB, the coil of KC and control circuit device thereof are on described circuit main board (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202283182U CN201699423U (en) | 2010-06-13 | 2010-06-13 | Three-phase power voltage stabilizer with three-phase simultaneous output function and three-single-phase independent output function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010202283182U CN201699423U (en) | 2010-06-13 | 2010-06-13 | Three-phase power voltage stabilizer with three-phase simultaneous output function and three-single-phase independent output function |
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| CN201699423U true CN201699423U (en) | 2011-01-05 |
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| CN2010202283182U Expired - Fee Related CN201699423U (en) | 2010-06-13 | 2010-06-13 | Three-phase power voltage stabilizer with three-phase simultaneous output function and three-single-phase independent output function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101888089A (en) * | 2010-06-13 | 2010-11-17 | 珠海科达信电子科技有限公司 | Three-phase power voltage stabilizer with three-phase and three respective single-phase output function |
| CN105720593A (en) * | 2016-01-04 | 2016-06-29 | 东莞市宝英机电有限公司 | Novel three-phase induction type voltage balance voltage stabilizer |
-
2010
- 2010-06-13 CN CN2010202283182U patent/CN201699423U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101888089A (en) * | 2010-06-13 | 2010-11-17 | 珠海科达信电子科技有限公司 | Three-phase power voltage stabilizer with three-phase and three respective single-phase output function |
| CN105720593A (en) * | 2016-01-04 | 2016-06-29 | 东莞市宝英机电有限公司 | Novel three-phase induction type voltage balance voltage stabilizer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110105 Termination date: 20150613 |
|
| EXPY | Termination of patent right or utility model |