CN108429231A - A kind of relay loop short circuit protection system - Google Patents
A kind of relay loop short circuit protection system Download PDFInfo
- Publication number
- CN108429231A CN108429231A CN201810258902.3A CN201810258902A CN108429231A CN 108429231 A CN108429231 A CN 108429231A CN 201810258902 A CN201810258902 A CN 201810258902A CN 108429231 A CN108429231 A CN 108429231A
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- China
- Prior art keywords
- short circuit
- electric current
- relay
- circuit protection
- module
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
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- Emergency Protection Circuit Devices (AREA)
Abstract
A kind of relay loop short circuit protection system belongs to power equipment maintenance technology field.Including protection power source,Control module,Relay,General supply line and short circuit protection module,The control module input terminal is connected with external power supply,The external power supply and control module is electrically connected with relay input terminal,The relay output end is electrically connected with short circuit protection module by general supply line,It is additionally provided with data memory module in the control module,Power supply output line road is connected in the protection power source,The power supply output line road is connected with electric loading input terminal,The electric loading output end is connected with power input circuit,The power input circuit is connected with short circuit protection module,Solve the problems, such as that existing short circuit protection system is low,It can effectively realize the automatic protection after short circuit and prompting,It can install part batch according to actual needs simultaneously,Reduce the risk of short circuit,Substantially increase practicability.
Description
Technical field
The present invention relates to a kind of relay loop short circuit protection systems, belong to power equipment maintenance technology field.
Background technology
With the raising that power supply reliability requires, anti-accident measures are gradually improved, more and more sophisticated equipment applications
Into power supply system, but due to complex circuit, heavy workload, when going wrong or overhauling, staff is easy error and makes
At the short circuit of circuit, electronic device damage, even more serious consequence are in turn resulted in.In the prior art, staff usually adopts
Short circuit, but complex steps are avoided with modes such as voltage test pencils, systematicness is low, automatic protection is can not achieve, to actual production work
It brings inconvenience.
For above-mentioned prior art situation, present invention applicant has done a large amount of beneficial explorations repeatedly, and final products take
Effective achievement was obtained, and forms technical solution described below.
Invention content
In view of the above-mentioned deficiencies, the present invention provides a kind of relay loop short circuit protection systems, after effectively can realizing short circuit
Automatic protection and prompting, while can according to actual needs part batch install, reduce the risk of short circuit, substantially increase reality
The property used.
The present invention is achieved by the following technical solutions：A kind of relay loop short circuit protection system, including protection power source,
Control module, relay, general supply line and short circuit protection module, the control module input terminal are connected with external power supply, institute
The external power supply and control module stated are electrically connected with relay input terminal, and the relay output end passes through general supply line
It is electrically connected with short circuit protection module, data memory module is additionally provided in the control module.
The short circuit protection module includes protecting crust, current detecting block and driving mounting blocks, inside the protecting crust
Equipped with cavity, and cavity both ends are respectively equipped with electric current outflow end and electric current flows into end, and the electric current flows into end side and electric current
Detection block input terminal is in series, and the current detecting block is equipped with data analysis module, and defeated by the signal that side is arranged
Outlet is electrically connected with general supply line, and the current detecting block output end has also been electrically connected short circuit protective wire and major flow
Line, the short circuit protective wire are equipped with load alarm and load warning lamp, distinguish on the short circuit protective wire and major flow line
Equipped with connection contact, the connection contact is separately fixed in the fixed link on the inside of protecting crust.
The driving mounting blocks are arranged inside protecting crust close to electric current outflow end side, and are internally provided with fractional motor,
The signal input line that the fractional motor input terminal is arranged by side is electrically connected with general supply line, and output end is connected with deceleration
Device, the retarder are connected with driving swivel, and driving swivel bottom is respectively equipped with two and turns towards different drivings
Bar, the driving bull stick bottom inside are respectively equipped with bull stick contact, connection contact setting on the inside of driving bull stick and
Corresponding with bull stick contact respectively, connection contact is in contact with corresponding bull stick contact at the top of the major flow line, and described turns
Bar contact is also connected with electric current outflow end respectively, and the electric current outflow end is extended to from bull stick contact on the outside of protecting crust, institute
Electric current outflow end and the protection power source stated are electrically connected, and power supply output line road, the electricity are connected in the protection power source
Electric loading input terminal is connected on the outlet line of source, the electric loading output end is connected with power input circuit, the electricity
Source incoming line flows into end with electric current and is connected.
Further, corresponding load alarm and load warning lamp position set that there are one acousto-optic is transparent on the protecting crust
Plate.
Further, the driving swivel top is additionally provided with the rotation sliding slot for extending electric current outflow end.
Further, the driving mounting blocks inner wall both sides further respectively have limiting plate, the driving bull stick top
Outside further respectively has locating piece corresponding with limiting plate.
Further, the electric current outflow end is also associated with the self- recoverage insurance being arranged outside short circuit protection module
Silk, the self-recovery fuse are electrically connected with protection power source.
Beneficial effects of the present invention：
The device can effectively realize the automatic protection after short circuit and prompting, while part batch can pacify according to actual needs
Dress, reduces the risk of short circuit, substantially increases practicability；It can be served as a warning, be saved with the Alternative load after short circuit
About cost, improves practicability；It can be advantageously connected on each power supply, effectively act as short circuit protective effect.
Description of the drawings
Fig. 1 is the overall system structure schematic diagram of the present invention；
Fig. 2 is the installation principle schematic of short circuit protection module in the present invention；
Fig. 3 is the internal structure schematic diagram of short circuit protection module in the present invention；
Fig. 4 is the structural schematic diagram that rotor sections are driven in the present invention.
In figure, control module 1, data memory module 11, relay 12, external power supply 2, general supply line 21, short circuit protection
Module 3, protecting crust 31, acousto-optic transparent panel 311, signal output line 321, current detecting block 32, short circuit protective wire 33, major flow line
34, alarm 35, load warning lamp 36, connection contact 37, data analysis module 4, driving mounting blocks 5, limiting plate 51, driving are loaded
Swivel 6, driving bull stick 61, locating piece 62, signal input line 63, bull stick contact 64, rotation sliding slot 65, fractional motor 7, retarder
71, self-recovery fuse 8, protection power source 9, power supply output line road 91, electric loading 92, power input circuit 93, electric current outflow end
931, electric current flows into end 932.
Specific implementation mode
As shown in Figures 1 to 4, a kind of relay loop short circuit protection system, including control module 1, data memory module 11,
Relay 12, external power supply 2, general supply line 21, short circuit protection module 3, data analysis module 4, self-recovery fuse 8, protection
Power supply 9, power supply output line road 91, electric loading 92, power input circuit 93,1 input terminal of control module are connected with outside
Power supply 2, the external power supply 2 and control module 1 are electrically connected with 12 input terminal of relay, the relay 12 output
End is electrically connected with short circuit protection module 3 by general supply line 21, and data memory module 11 is additionally provided in the control module 1.
The short circuit protection module 3 includes protecting crust 31, acousto-optic transparent panel 311, signal output line 321, current detecting
Block 32, short circuit protective wire 33, major flow line 34, load alarm 35, load warning lamp 36, connection contact 37, driving mounting blocks 5,
Limiting plate 51, driving bull stick 61, locating piece 62, signal input line 63, bull stick contact 64, rotates sliding slot 65, is small driving swivel 6
Motor 7, retarder 71, electric current outflow end 931 and electric current flow into end 932, and the protecting crust 31 is internally provided with cavity, and empty
Chamber both ends are respectively equipped with electric current outflow end 931 and electric current flows into end 932, and the electric current flows into 932 side of end and current detecting
32 input terminal of block is in series, and the current detecting block 32 is equipped with data analysis module 4, and defeated by the signal that side is arranged
Outlet 321 is electrically connected with general supply line 21, and 32 output end of current detecting block has also been electrically connected short circuit protective wire
33 and major flow line 34, the short circuit protective wire 33 is equipped with load alarm 35 and load warning lamp 36, the protecting crust 31
Upper corresponding load alarm 35 and 36 position of load warning lamp are set there are one acousto-optic transparent panel 311, can be with spare negative after short circuit
Load serves as a warning, and has saved cost, improves practicability, distinguishes on the short circuit protective wire 33 and major flow line 34
Equipped with connection contact 37, the connection contact 37 is separately fixed in the fixed link of 31 inside of protecting crust.
The setting of driving mounting blocks 5 is internally provided with small in close 931 side of electric current outflow end in 31 inside of protecting crust
Motor 7, the signal input line 63 that 7 input terminal of fractional motor is arranged by side are electrically connected with general supply line 21, output
End is connected with retarder 71, and the retarder 71 is connected with driving swivel 6, and the driving turns 6 bottoms and is respectively equipped with two
It is a towards different driving bull sticks 61,61 bottom inside of driving bull stick is respectively equipped with bull stick contact 64, the connection
The setting of contact 37 is on the inside of driving bull stick 61 and corresponding with bull stick contact 64 respectively, and the 34 top connection of major flow line is touched
Piece 37 is in contact with corresponding bull stick contact 64, and the bull stick contact 64 is also connected with electric current outflow end 931 respectively, described
Electric current outflow end 931 passes through the rotation sliding slot 65 at 6 top of driving swivel from bull stick contact 64, and finally extends to outside protecting crust 31
Side, the 5 inner wall both sides of driving mounting blocks further respectively have limiting plate 51, and 61 top outer of driving bull stick is also distinguished
Equipped with locating piece corresponding with limiting plate 51 62.
The electric current outflow end 931 is also associated with the self-recovery fuse 8 being arranged outside short circuit protection module 3, institute
The self-recovery fuse 8 stated is electrically connected with protection power source 9, and power supply output line road 91, institute are connected in the protection power source 9
92 input terminal of electric loading is connected on the power supply output line road 91 stated, 92 output end of electric loading is connected with power input line
Road 93, the power input circuit 93 flow into end 932 with electric current and are connected, which can effectively realize the automatic guarantor after short circuit
It protects and reminds, while can install part batch according to actual needs, reduce the risk of short circuit, substantially increase practicability.
The device flows into end 932 when in use, by the electric current outflow end 931 of 3 both sides of short circuit protection module and electric current and accesses
The power input circuit 93 of protection power source 9, when power supply output line road 91 and the generation short circuit of power input circuit 93, current detecting
Block 32 detects that electric current increases rapidly, and signal is passed to control module 1 immediately, and control module 1 is controlled by relay 12
Fractional motor 7 rotate, and then drive driving swivel 6 rotation, driving swivel 6 one side bottoms driving bull stick 61 on bull stick contact 64 with
34 top connection contact 37 of major flow line detaches, and power supply, which disconnects, realizes protection, the 6 further rotation, and other side bottom of driving swivel
Bull stick contact 64 on portion's driving bull stick 61 is in contact with the connection contact 37 at 33 top of short circuit protective wire, loads alarm 35 and bears
It carries warning lamp 36 and sends out alarm, that is, short circuit occurs, you can.
For the ordinary skill in the art, introduction according to the present invention, do not depart from the principle of the present invention with
In the case of spirit, changes, modifications, replacement and modification that embodiment is carried out still fall within protection scope of the present invention it
It is interior.
Claims (5)
1. a kind of relay loop short circuit protection system, including protection power source, it is characterised in that：Further include control module, relay,
General supply line and short circuit protection module, the control module input terminal are connected with external power supply, the external power supply and control
Molding block is electrically connected with relay input terminal, and the relay output end is electrically connected with short circuit by general supply line and protects
Module is additionally provided with data memory module in the control module；
The short circuit protection module includes that protecting crust, current detecting block and driving mounting blocks, the protecting crust are internally provided with
Cavity, and cavity both ends are respectively equipped with electric current outflow end and electric current flows into end, the electric current flows into end side and current detecting
Block input terminal is in series, and the current detecting block is equipped with data analysis module, and the signal output line being arranged by side
It being electrically connected with general supply line, the current detecting block output end has also been electrically connected short circuit protective wire and major flow line,
The short circuit protective wire is equipped with load alarm and load warning lamp, is respectively equipped on the short circuit protective wire and major flow line
Connection contact, the connection contact are separately fixed in the fixed link on the inside of protecting crust；
The driving mounting blocks are arranged inside protecting crust close to electric current outflow end side, and are internally provided with fractional motor, described
The signal input line that is arranged by side of fractional motor input terminal be electrically connected with general supply line, output end is connected with retarder,
The retarder is connected with driving swivel, and the driving turns bottom and is respectively equipped with two towards different driving bull sticks,
The driving bull stick bottom inside is respectively equipped with bull stick contact, and the connection contact is arranged on the inside of driving bull stick and difference
Corresponding with bull stick contact, connection contact is in contact with corresponding bull stick contact at the top of the major flow line, and the bull stick touches
Piece is also connected with electric current outflow end respectively, and the electric current outflow end is extended to from bull stick contact on the outside of protecting crust, described
Electric current outflow end is electrically connected with protection power source, and power supply output line road is connected in the protection power source, and the power supply is defeated
Outlet road is connected with electric loading input terminal, and the electric loading output end is connected with power input circuit, and the power supply is defeated
Enter circuit with electric current inflow end to be connected.
2. a kind of relay loop short circuit protection system as described in claim 1, characterized in that corresponding negative on the protecting crust
It carries alarm and load warning lamp position sets that there are one acousto-optic transparent panels.
3. a kind of relay loop short circuit protection system as described in claim 1, characterized in that the driving swivel top is also
Equipped with the rotation sliding slot for extending electric current outflow end.
4. a kind of relay loop short circuit protection system as described in claim 1, characterized in that the driving mounting blocks inner wall
Both sides further respectively have limiting plate, and the driving bull stick top outer further respectively has locating piece corresponding with limiting plate.
5. a kind of relay loop short circuit protection system as described in claim 1, characterized in that the electric current outflow end also connects
It is connected to the self-recovery fuse being arranged outside short circuit protection module, the self-recovery fuse is mutually electrically connected with protection power source
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810258902.3A CN108429231B (en) | 2018-03-27 | 2018-03-27 | A kind of relay loop short circuit protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810258902.3A CN108429231B (en) | 2018-03-27 | 2018-03-27 | A kind of relay loop short circuit protection system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108429231A true CN108429231A (en) | 2018-08-21 |
| CN108429231B CN108429231B (en) | 2019-06-14 |
Family
ID=63159938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810258902.3A Expired - Fee Related CN108429231B (en) | 2018-03-27 | 2018-03-27 | A kind of relay loop short circuit protection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108429231B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102280864A (en) * | 2011-08-10 | 2011-12-14 | 江苏省电力公司苏州供电公司 | Post-failure live treatment method for protection device of distribution network system and portable protection device |
| US20150092305A1 (en) * | 2013-10-02 | 2015-04-02 | Astronics Advanced Electronic Systems Corp. | Virtual Circuit Breaker |
| CN204333897U (en) * | 2014-12-19 | 2015-05-13 | 浙江亚龙教育装备股份有限公司 | Short circuit protective device |
| CN106569077A (en) * | 2016-11-01 | 2017-04-19 | 中科电力装备（安徽）智能化科技有限公司 | Short circuit and detection dual-purpose device used for relay protection |
| US20180069388A1 (en) * | 2016-09-07 | 2018-03-08 | Samsung Sdi Co., Ltd. | Battery protection circuit and battery pack including same |
-
2018
- 2018-03-27 CN CN201810258902.3A patent/CN108429231B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102280864A (en) * | 2011-08-10 | 2011-12-14 | 江苏省电力公司苏州供电公司 | Post-failure live treatment method for protection device of distribution network system and portable protection device |
| US20150092305A1 (en) * | 2013-10-02 | 2015-04-02 | Astronics Advanced Electronic Systems Corp. | Virtual Circuit Breaker |
| CN204333897U (en) * | 2014-12-19 | 2015-05-13 | 浙江亚龙教育装备股份有限公司 | Short circuit protective device |
| US20180069388A1 (en) * | 2016-09-07 | 2018-03-08 | Samsung Sdi Co., Ltd. | Battery protection circuit and battery pack including same |
| CN106569077A (en) * | 2016-11-01 | 2017-04-19 | 中科电力装备（安徽）智能化科技有限公司 | Short circuit and detection dual-purpose device used for relay protection |
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| Publication number | Publication date |
|---|---|
| CN108429231B (en) | 2019-06-14 |
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Granted publication date: 20190614 Termination date: 20200327 |
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