CN205881836U - Electronic type time relay switching -on device that delays - Google Patents

Electronic type time relay switching -on device that delays Download PDF

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Publication number
CN205881836U
CN205881836U CN201620860459.3U CN201620860459U CN205881836U CN 205881836 U CN205881836 U CN 205881836U CN 201620860459 U CN201620860459 U CN 201620860459U CN 205881836 U CN205881836 U CN 205881836U
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China
Prior art keywords
terminal
time relay
electronical
time
delay
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Application number
CN201620860459.3U
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Chinese (zh)
Inventor
张军达
邵胜
郑则诚
李雯
李一雯
姚天
姚天一
陈梁豪
刘帅
胡奕挺
陈明旭
付小平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Net Huangyan District Taizhou City Of Zhejiang Province Electric Co Of State
State Grid Corp of China SGCC
Taizhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
Net Huangyan District Taizhou City Of Zhejiang Province Electric Co Of State
State Grid Corp of China SGCC
Taizhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
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Application filed by Net Huangyan District Taizhou City Of Zhejiang Province Electric Co Of State, State Grid Corp of China SGCC, Taizhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd filed Critical Net Huangyan District Taizhou City Of Zhejiang Province Electric Co Of State
Priority to CN201620860459.3U priority Critical patent/CN205881836U/en
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Publication of CN205881836U publication Critical patent/CN205881836U/en
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Abstract

The utility model discloses an electronic type time relay switching -on device that delays belongs to low voltage electric safety device technical field, include base (101) and fix the electronic type time relay on base (101), electronic type time relay sets up to two, set up two terminal rows on base (101), be terminal row A (104) and terminal row B (105), the terminal of terminal row A (104) and the terminal pair of terminal row B (105) should be connected, terminal row A (104) are connected with electronic type time relay by the wire, terminal row B (105) are connected with power and switching knob respectively, the utility model discloses the power transmission of can closing a floodgate automatically improves power transmission efficiency, has improved service reliability, the utility model discloses a judge whether the low pressure master switch reliably trips, carry out automation coincidence or not automatic coincidence again, avoid causing the influence to user and power distribution station equipment, avoid causing accident.

Description

Electronical time relay time-delay closing device
Technical field
This utility model belongs to low-voltage electrical safety equipment technical field, in particulars relate to a kind of for working as distribution transformer Low pressure main switch, after decompression disconnects, has the electronical time relay time-delay closing device of automatic reclosing effect.
Background technology
Power distribution station equipment operation management, stop the heavy complexity of task such as power transmission management, accident handling, interruption maintenance, wherein Have a power failure, power transmission management is always one of operating weak link of electric power system.Account for the distribution transformer low pressure main switch of 85% No-voltage release is installed, trips after circuit breaks down, but these no-voltage releases do not possess automatic switching-in function, The defect that in actually used, some circuit can not close a floodgate after there is mistrip and tripping operation in time, therefore after there is mistrip, needs Wanting staff to go on-the-spot combined floodgate power transmission, staff must arrive each switchgear house power transmission one by one, so on the one hand adds work Making the labor intensity of personnel, on the other hand, as a example by 10kV main line, after power failure, full recovery is powered needs 2-3 hour, due to Extend power off time, reduce power supply reliability, and power off time is long, brings inconvenience to user, give and produce life Live in causing and have big impact.
In order to realize automatic closing, filing date on 09 29th, 2012, in Application No. 201220503254.1 State's utility model discloses a kind of automatic recloser residual current circuit breaker, including RCCB body, with RCCB body The motor operation mechanism connected, the microcontroller being connected with motor operation mechanism, and earth detector, described leakage, breaking Being also associated with on device body definiting time-lag time-delay mechanism, described specified time time-delay mechanism is electro-delay system.Above-mentioned automatic reclosing RCCB, by using electro-delay system, has specified time deferred action function, it is possible to achieve automatic closing,
But said apparatus can not judge that distribution transformer low pressure main switch normally trips or mistrip, if after Tiao Zha all Automatic reclosing at once, so all can impact user and power distribution station equipment, the most also can cause contingency.
Utility model content
The purpose of this utility model is to overcome in prior art when distribution transformer low pressure main switch is after decompression disconnects, No-voltage release can not the technical problem of automatic closing, it is provided that a kind of when no-voltage release can the electricity of automatic reclosing after mistrip Electronical time relay time-delay closing device.
In order to solve above-mentioned technical problem, this utility model provides a kind of electronical time relay time-delay closing dress Putting, including base, electronical time relay, electronical time relay is fixed on base, and described electronic time continues Electrical equipment is set to two, i.e. electronical time relay A and electronical time relay B;Electronical time relay A and electronics Formula time relay B is connected in series, and arranges two terminal block, i.e. terminal block A and terminal block B, the terminal of terminal block A on base Corresponding with the terminal of terminal block B connect, terminal block A is connected with electronical time relay by wire, terminal block B respectively with power supply Connect with switch knob.
Above-mentioned electronical time relay time-delay closing device, described electronical time relay A arranges eight and connects Line terminals, i.e. terminal 1, terminal 2, terminal 3, terminal 4, terminal 5, terminal 6, terminal 7, terminal 8;
Described electronical time relay B arranges eight binding posts, i.e. terminal 1, terminal 2, terminal 3, terminal 4, end Son 5, terminal 6, terminal 7, terminal 8;
Terminal block A arranged on base is provided with tetra-terminals of S11, S22, P11, P22, and terminal block B is provided with combined floodgate Pulse output terminal S1, closing pulse lead-out terminal S2, power supply terminal P1, tetra-terminals of power supply terminal P2;Closing pulse exports Terminal S1 with S11 is connected, closing pulse lead-out terminal S2 with S22 is connected, power supply terminal P1 with P11 is connected, power supply terminal P2 with P22 connects;
The terminal 6 of electronical time relay A is connected with the S11 of terminal block A, the terminal of electronical time relay B 5 with The S22 of terminal block A connects;
The terminal 7 of electronical time relay A is connected with the P11 of terminal block A, the terminal of electronical time relay A 1 with The P22 of terminal block A connects;
The terminal 8 of electronical time relay A is connected by wire with the terminal 8 of electronical time relay B;
Above-mentioned electronical time relay time-delay closing device, the closing pulse lead-out terminal S1 of terminal block B is with manual Switch knob one end connects, and the closing pulse lead-out terminal S2 of terminal block B is connected with the closing by hand button other end;
The power supply terminal P1 of terminal block B is any one with step down side busbar A, B, C to be connected;The power supply of terminal block B Terminals P 2 is connected with step down side busbar zero line N.
Above-mentioned electronical time relay time-delay closing device, the whole setting of described electronical time relay can be prolonged surely The rotatable dial plate of time, surely prolongs time range and is set to 0~30 second, the time delay of adjusting of described electronical time relay A The time delay time of adjusting less than electronical time relay B.
Above-mentioned electronical time relay time-delay closing device, the setting time of described electronical time relay A For more than 6~28 seconds, delay time the adjusting than electronical time relay B of adjusting of described electronical time relay A Few 2 seconds of delay time.
Above-mentioned electronical time relay time-delay closing device, arranges draw-in groove, described electronic time on base Relay is arranged on draw-in groove.
Above-mentioned electronical time relay time-delay closing device, arranges transparent area outside electronical time relay Cover, described transparent face mask is fixing with base to be connected.
Above-mentioned electronical time relay time-delay closing device, arranges instruction on described electronical time relay Lamp, described display lamp is set to two, i.e. display lamp one and display lamp two.
Operation principle of the present utility model is: when distribution transformer have a power failure again recover power transmission time, power supply terminal P1 and P2 detects that step down side busbar is the most charged, then closing device automatically begins to time delay, through 6s to 30s time delay it After, closing device exports a broad-adjustable closing pulse by lead-out terminal S1 and S2, and this closing pulse acts on manually Closing circuit controls low pressure main switch automatic closing, and simulation hand push button is pressed (connection) and upspring again the process of (disconnection), reaches The purpose of automatic closing.
Compared with prior art, the beneficial effects of the utility model are: low pressure main switch automatic closing 1, can be made to send Electricity, improves power transmission efficiency, improves power supply reliability.
2, using the mode that two electronical time relays carry out contacting, the delay time that can adjust is wider, is suitable for Scope is wide.
3, this utility model low cost of manufacture, and the power consumption of electronic time relay is lower, and reliability is high.
4, this utility model volume is little, and volume is the half of electromagnetic type relay closing device, easy for installation.
5, this utility model is by judging low pressure main switch whether reliable trip, then carries out automatic reclosing or the most automatically weigh Close, it is to avoid user and power distribution station equipment are impacted, it is to avoid cause contingency.
Accompanying drawing explanation
Fig. 1 is axonometric chart of the present utility model.
Fig. 2 is this utility model top view.
Fig. 3 is this utility model circuit connection diagram.
Accompanying drawing mark explanation: 101-base, 102-electronical time relay A102,103-electronical time relay B, 104-terminal block A, 105-terminal block B, 106-draw-in groove, 107-face shield, 108-display lamp one, 109-display lamp two.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is further described.
A kind of electronical time relay time-delay closing device as shown in Figure 1 to Figure 3, including, electronic time relay Device, the time relay is used on the circuit of relatively low voltage or smaller current, can switch on or off high voltage, larger current Circuit, the conventional time relay has electromagnetic type, air damp type, electrodynamic type, electronic type, in this utility model, use Electronical time relay, has the advantages such as precision is high, volume is little, reliable operation, reference time delay width.Electronic time relay Device is fixed on base 101, such as, arrange draw-in groove 106 on base 101, and electronical time relay is fixed on draw-in groove 106, It is screwed again, is so possible to prevent electronical time relay to occur loosening phenomenon.In this utility model, electronic time Relay is set to two, i.e. electronical time relay A102 and electronical time relay B103, electronic time relay Device A102 and electronical time relay B103 is connected in series;Base 101 is arranged two terminal block, i.e. terminal block A104 and Terminal block B105, the terminal of terminal block A104 is corresponding with the terminal of terminal block B105 to be connected, and terminal block A104 is by wire and electronics The formula time relay connects, and terminal block B105 is connected with power supply and switch knob respectively.
As it is shown on figure 3, electronical time relay A102 arranges eight binding posts, i.e. terminal 1, terminal 2, terminal 3, end Son 4, terminal 5, terminal 6, terminal 7, terminal 8;Electronical time relay B103 arranges eight binding posts, i.e. terminal 1, terminal 2, terminal 3, terminal 4, terminal 5, terminal 6, terminal 7, terminal 8;On base 101 arrange terminal block A104 be provided with S11, Tetra-terminals of S22, P11, P22, terminal block B105 is provided with closing pulse lead-out terminal S1, closing pulse lead-out terminal S2, electricity Source terminal P1, tetra-terminals of power supply terminal P2;Closing pulse lead-out terminal S1 with S11 is connected, closing pulse lead-out terminal S2 with S22 connects, power supply terminal P1 with P11 is connected, power supply terminal P2 with P22 is connected;The terminal 6 of electronical time relay A102 with The S11 of terminal block A104 connects, and the terminal 5 of electronical time relay B103 is connected with the S22 of terminal block A104;During electronic type Between the terminal 7 of relay A102 be connected with the P11 of terminal block A104, the terminal 1 of electronical time relay A102 and terminal block The P22 of A104 connects;The terminal 8 of electronical time relay A102 and the terminal 8 of electronical time relay B103 are by wire Connect;Electronical time relay A102 and electronical time relay B103 thus can be made to be connected in series.
The closing pulse lead-out terminal S1 of terminal block B105 is connected with closing by hand button one end, the combined floodgate of terminal block B105 Pulse output terminal S2 is connected with the closing by hand button other end;The power supply terminal P1 of terminal block B105 is female with step down side Row's (any one phase of A, B, C) connects;The power supply terminal P2 of terminal block B105 is connected with step down side busbar zero line (N phase).
Electronical time relay is whole arranges the rotatable dial plate that can determine between time delay, surely prolongs time range and is set to 0~30 Second, table cover is set to lamella lucida, so can check the setting time of rotatable dial plate.In this utility model, during electronic type Between the delay time of adjusting of relay A102 less than the delay time of adjusting of electronical time relay B103.Make one preferably to arrange Executing, the setting time of electronical time relay A102 is more than 6~28 seconds, the time delay of adjusting of electronical time relay A102 Few 2 seconds of the time delay time of adjusting than electronical time relay B103.
By arranging above-mentioned electronical time relay time-delay closing device, when circuit normal service has a power failure, transformator Decompression, low pressure main switch can reliable trip, when mains side is sent a telegram here, the power supply terminal P1 of terminal block B105 and terminal block B105 Power supply terminal P2 and power on, through setting time after, low pressure main switch automatic reclosing.
When line facility breaks down, low pressure main switch reliable trip, electronical time relay time-delay closing device Not automatic reclosing.
When the most separately low pressure main switch, low pressure main switch reliable trip, electronical time relay time-delay closing fills Put not automatic reclosing.
When operating handle and beating afield, manual control circuit disconnects, and now relay control circuit is unaffected, still Can action message.
Thus can reach the security performance requirement of closing device, can avoid because false switching causes sending out of accident of power supply Raw.
As further improvement of the utility model measure, transparent face mask 107 is set outside electronical time relay, Transparent face mask 107 is fixing with base 101 to be connected, and so can observe the delay time rotating dial plate intuitively.
As further improvement of the utility model measure, electronical time relay arranges display lamp, display lamp It is set to two.I.e. display lamp 1 and display lamp 2 109, when power supply terminal P1 and power supply terminal P2 receives 220V alternating current Time on source, display lamp 1 is bright, illustrates that electronical time relay has been energized;When electronical time relay reaches to adjust Delay time time, display lamp 2 109 is bright, illustrates that the delay time adjusted has arrived, electronical time relay time-delay closing Device starts closing function.
Using method of the present utility model: after disconnecting the high-voltage switch gear controlling transformator, first passing through 4 bolts will This closing device is fixed to low pressure main switch cabinet linear quadratic control room, wiring subsequently: it is female that power supply terminal P1 receives step down side Row's live wire (any one phase of A, B, C), power supply terminal P2 receive step down side busbar zero line (N phase);Closing pulse outfan Sub-S1, receives one end of closing by hand button, closing pulse lead-out terminal S2, receives the other end of closing by hand button, i.e. close Lead-out terminal S1 and S2 of brake gear is in parallel with the closing circuit of hand push button, then install.This utility model is not changing On the premise of existing equipment, when the power failure of 10kV main line needs to recover power transmission when, this closing device is capable of low pressure and always opens The automatic time delay Guan Bi closed.
Above in conjunction with accompanying drawing, this utility model embodiment is explained in detail, but on this utility model is not limited to State embodiment, to those skilled in the art, it is also possible to make some under without departing from premise of the present utility model Modification and improvement, these also should be regarded as belonging to protection domain of the present utility model.

Claims (8)

1. an electronical time relay time-delay closing device, including base (101), electronical time relay, electronic type The time relay is fixed on base (101), it is characterised in that: described electronical time relay is set to two, i.e. electricity Electronical time relay A(102) and electronical time relay B(103);Electronical time relay A(102) and during electronic type Between relay B(103) be connected in series, base (101) arranges two terminal block, i.e. terminal block A(104) and terminal block B (105), terminal block A(104) terminal and terminal block B(105) terminal corresponding connect, terminal block A(104) by wire and electronics The formula time relay connects, terminal block B(105) it is connected with power supply and switch knob respectively.
Electronical time relay time-delay closing device the most according to claim 1, it is characterised in that: described electronic type Time relay A(102) eight binding posts are set, i.e. terminal 1, terminal 2, terminal 3, terminal 4, terminal 5, terminal 6, terminal 7, Terminal 8;
Described electronical time relay B(103) eight binding posts, i.e. terminal 1, terminal 2, terminal 3, terminal 4, end are set Son 5, terminal 6, terminal 7, terminal 8;
In upper terminal block A(104 arranged of base (101)) it is provided with S11、S22、P11、P22Four terminals, terminal block B(105) set It is equipped with closing pulse lead-out terminal S1, closing pulse lead-out terminal S2, power supply terminal P1, power supply terminal P2Four terminals;Combined floodgate arteries and veins Rush lead-out terminal S1With S11 Connection, closing pulse lead-out terminal S2With S22Connection, power supply terminal P1With P11Connection, power supply terminal P2 With P22Connect;
Electronical time relay A(102) terminal 6 and terminal block A(104) S11Connect, electronical time relay B (103) terminal 5 and terminal block A(104) S22Connect;
Electronical time relay A(102) terminal 7 and terminal block A(104) P11Connect, electronical time relay A (102) terminal 1 and terminal block A(104) P22Connect;
Electronical time relay A(102) terminal 8 and electronical time relay B(103) terminal 8 be connected by wire.
Electronical time relay time-delay closing device the most according to claim 2, it is characterised in that: terminal block B(105) Closing pulse lead-out terminal S1Be connected with closing by hand button one end, terminal block B(105) closing pulse lead-out terminal S2With The closing by hand button other end connects;
Terminal block B(105) power supply terminal P1Any one with step down side busbar A, B, C it is connected;Terminal block B(105) Power supply terminal P2It is connected with step down side busbar zero line N.
Electronical time relay time-delay closing device the most according to claim 1, it is characterised in that: described electronic type The time relay is whole arranges the rotatable dial plate that can determine between time delay, surely prolongs time range and is set to 0 ~ 30 second, described electronic type Time relay A(102) delay time of adjusting less than electronical time relay B(103) delay time of adjusting.
Electronical time relay time-delay closing device the most according to claim 4, it is characterised in that: described electronic type Time relay A(102) setting time be more than 6 seconds~28 seconds, described electronical time relay A(102) adjust Delay time is than electronical time relay B(103) few 2 seconds of delay time of adjusting.
Electronical time relay time-delay closing device the most according to claim 1, it is characterised in that: in base (101) On draw-in groove (106) is set, described electronical time relay is arranged on draw-in groove (106).
Electronical time relay time-delay closing device the most according to claim 1, it is characterised in that: at electronic time Arranging transparent face mask (107) outside relay, described transparent face mask (107) is fixing with base (101) to be connected.
Electronical time relay time-delay closing device the most according to claim 1, it is characterised in that: at described electronics Arranging display lamp on the formula time relay, described display lamp is set to two, i.e. display lamp one (108) and display lamp two (109).
CN201620860459.3U 2016-08-10 2016-08-10 Electronic type time relay switching -on device that delays Active CN205881836U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620860459.3U CN205881836U (en) 2016-08-10 2016-08-10 Electronic type time relay switching -on device that delays

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620860459.3U CN205881836U (en) 2016-08-10 2016-08-10 Electronic type time relay switching -on device that delays

Publications (1)

Publication Number Publication Date
CN205881836U true CN205881836U (en) 2017-01-11

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107026424A (en) * 2017-04-01 2017-08-08 国网浙江台州市黄岩区供电公司 A kind of distribution low-voltage master switch automatic time delay closing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107026424A (en) * 2017-04-01 2017-08-08 国网浙江台州市黄岩区供电公司 A kind of distribution low-voltage master switch automatic time delay closing device

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