CN205881836U - Electronic type time relay switching -on device that delays - Google Patents
Electronic type time relay switching -on device that delays Download PDFInfo
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- 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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- 230000001934 delay Effects 0.000 title abstract 2
- 230000005611 electricity Effects 0.000 claims description 4
- 210000001367 artery Anatomy 0.000 claims 1
- 210000003462 vein Anatomy 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 9
- 230000007246 mechanism Effects 0.000 description 4
- 230000006837 decompression Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000446313 Lamella Species 0.000 description 1
- 241000408521 Lucida Species 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005520 electrodynamics Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000002035 prolonged effect Effects 0.000 description 1
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- 238000004088 simulation Methods 0.000 description 1
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
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).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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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 |
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CN201620860459.3U CN205881836U (en) | 2016-08-10 | 2016-08-10 | Electronic type time relay switching -on device that delays |
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CN205881836U true CN205881836U (en) | 2017-01-11 |
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CN201620860459.3U Active CN205881836U (en) | 2016-08-10 | 2016-08-10 | Electronic type time relay switching -on device that delays |
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Cited By (2)
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 |
CN115332014A (en) * | 2022-08-02 | 2022-11-11 | 中铁建电气化局集团第三工程有限公司 | Railway traction power supply circuit and transformer control device |
-
2016
- 2016-08-10 CN CN201620860459.3U patent/CN205881836U/en active Active
Cited By (3)
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 |
CN115332014A (en) * | 2022-08-02 | 2022-11-11 | 中铁建电气化局集团第三工程有限公司 | Railway traction power supply circuit and transformer control device |
CN115332014B (en) * | 2022-08-02 | 2023-06-20 | 中铁建电气化局集团第三工程有限公司 | Railway traction power supply circuit and transformer control device |
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