CN206725721U - Alarm relay protection device - Google Patents
Alarm relay protection device Download PDFInfo
- Publication number
- CN206725721U CN206725721U CN201720495457.3U CN201720495457U CN206725721U CN 206725721 U CN206725721 U CN 206725721U CN 201720495457 U CN201720495457 U CN 201720495457U CN 206725721 U CN206725721 U CN 206725721U
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- Prior art keywords
- voltage
- alarm
- protection device
- light emitting
- emitting diode
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Abstract
It the utility model is related to a kind of alarm relay protection device, including electromagnetic trip killer switch, voltage-regulator diode, optocoupler, loudspeaker, patch jack, warning light, indicator lamp, voltage-stabilized power supply, current transformer, electrothermal relay and voltage alarms based on pattern recognition；End of incoming cables connection three-phase power line, each phase power line of leading-out terminal of described electromagnetic trip killer switch both pass through the coil of described current transformer and connect load, electrothermal relay, secondary side ground connection described in the primary side connection of each current transformer.The upper end of the patch jack is provided with loudspeaker, and adjusting knob is provided with the left of the patch jack, and the lower position of the adjusting knob is fixed with supporting plate；The utility model has the advantages that applied widely, small volume, safety and stability can be strong, and it is simple using installation, it is easy to operate, reduce electrical equipment damage, it is ensured that personal safety.
Description
Technical field
Protective relaying device technical field is the utility model is related to, specially a kind of alarm relay protection device.
Background technology
As administrative transformer station increases year by year, secondary professional examination, debugging, all schools, maintenance show project it is more, work
Measure the characteristics of big.In device experiment project, test voltage electric current need to be passed through to protective relaying device, generally with two people,
One man operation microcomputer test instrument, a people carry out test connection, and staff will change in face of frequently test connection.When a people exists
Protection screen front observation protection device side operation reaying protection test instrument, another people changes test connection after screen, if coordinating not
When, echo it is not in place, can cause the latter is powered to touch test connection by mistake, cause testing crew person low-voltage electric shock and relay protection
Test instrument and the damage of protection device plug-in unit.By upper analysis, it is known that exist in the device experiment project of prior art following characteristics and
Defect：Testing crew mismate is likely to result in testing crew personal injury；Reaying protection test equipment is easily damaged.
The existing U of the file of issued patents CN 205193186 and the U of CN 205861821 disclose a kind of relay protection
Warning device, it is different from the utility model structure, and relay protector protecting effect is more excellent disclosed in the utility model.
Utility model content
The purpose of this utility model is to solve the above problems, there is provided a kind of new alarm relay protection device.
To achieve the above object, the utility model provides following technical scheme：
A kind of alarm relay protection device, including electromagnetic trip killer switch, voltage-regulator diode, optocoupler, loudspeaker, connect
Line jack, warning light, indicator lamp, voltage-stabilized power supply, current transformer, electrothermal relay and voltage alarms based on pattern recognition；
Further, described electromagnetic trip killer switch end of incoming cables connection three-phase power line, leading-out terminal it is each
Phase power line both passes through the coil of described current transformer and connects load, described in the primary side connection of each current transformer
Electrothermal relay, secondary side ground connection.
Further, the upper end of the patch jack is provided with loudspeaker, and regulation is provided with the left of the patch jack
Knob, the lower position of the adjusting knob are fixed with supporting plate；
Further, display screen is connected with the right side of the loudspeaker, and control button is provided with below display screen, institute
State power switch is installed on the right side of control button, and power switch is fixedly arranged above USB interface；
Further, the outside connection organism of the warning light, the body are internally provided with circuit case, and circuit
Temperature sensor is installed above case；
Further, breaker is fixed with the right side of the temperature sensor, is connected with above the voltage alarms based on pattern recognition
Breaker, earth leakage protective device is provided with the right side of the voltage alarms based on pattern recognition.
Further, the voltage alarms based on pattern recognition includes 3 voltage alarm test wires and 1 zero line；In the voltage alarm
The end set of test wire has plug；The top of the plug is provided with contact pin, and the plug inside is in series with light emitting diode
With the backward dioded for preventing from puncturing the light emitting diode.
Further, the input of the breaker is connected with the negative input end of optocoupler, and the output end of breaker passes through
Resistance and voltage-regulator diode are connected with the positive input terminal of optocoupler；The output end of optocoupler is connected with one end of electrothermal relay, heat
The other end of relay is connected with the output end of voltage-stabilized power supply, and the electrothermal relay is connected with one end of loudspeaker, loudspeaker
The other end of the other end and indicator lamp connects；The output end of optocoupler is connected with the ground terminal of voltage-stabilized power supply simultaneously；It is described
Two inputs of voltage-stabilized power supply are connected with any two input of breaker respectively.
Further, the lamp holder of the light emitting diode is set in a manner of being exposed to the plug exterior；In the hair
The electric current report of the protective resistance and multiple split-phases for protection circuit is additionally provided between optical diode and the backward dioded
Alert device, the current alarm is open-core transformer structure, is connected using buckle-type.
Further, light emitting diode and the use in parallel with the light emitting diode are provided with the current alarm
In the backward dioded for preventing from causing the current alarm secondary side open circuit in reversal periods；The lamp of the light emitting diode
Head is set in a manner of being exposed to outside the current alarm.
Further, the voltage alarms based on pattern recognition is the voltage alarms based on pattern recognition of three-phase.
Further, the adjusting knob is using display screen as symmetrical structure, and rotating range is 0-360 degree.
Further, the light emitting diode of the voltage alarms based on pattern recognition and the pin of backward dioded are also wrapped on heat-shrink tube.
Further, the circuit case and voltage alarms based on pattern recognition connect for electrically input.
The beneficial effects of the utility model are：
The utility model design is simple and reliable, can effectively prevent voltage circuit short circuit and current loop open circuit, its work
Scope disclosure satisfy that the personal safety that secondary work is further ensured needed for relay protection routine work and equipment safety, from skill
Art angle avoids risk.The electronic component power energy consumption additionally related to is small, and experiment will not be impacted；The relay protection report
Alarm device, itself can be moved, easy to carry, be not limited to certain and carried out circuit protection, versatile, and 360 degree of rotations
The adjusting knob turned, is locked, coordinates anti-skidding supporting plate, can be supported well, the warning light of rotary luminous, gone out
During existing failure, strength alarm is sent, while loudspeaker sounds the alarm, the effect of alarm is good, reminds staff to come in time
Failure is detected, multiple patch jacks of antistatic, the power system that can be monitored is more, possesses electric leakage protector, overall
It is safe, self-operating situation can be monitored when monitoring power system, it is ensured that it will not break down, and by outer
Memory is put, carries out the analysis of power system.
Instead of the electrothermal relay of existing big load loop, cost reduces, for medium-sized and small enterprises provide it is a reliably and
Economic product.Applied widely, small volume, safety and stability can be strong, simple using installation, easy to operate, reduce
Electrical equipment damages, it is ensured that personal safety.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment technical scheme, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only the utility model in order to more clearly
Illustrate the utility model embodiment or technical scheme of the prior art, below by institute in p- embodiment or description of the prior art
The accompanying drawing needed to use is briefly described, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is overall structure diagram of the present utility model；
Fig. 2 is current alarm partial schematic diagram of the present utility model；
Fig. 3 is operation principle circuit diagram of the present utility model.
Embodiment
A kind of alarm relay protection device, including electromagnetic trip killer switch 1, voltage-regulator diode 2, optocoupler 3, loudspeaker
9th, patch jack 4, warning light 10, indicator lamp 11, voltage-stabilized power supply 5, current transformer 6, electrothermal relay 7 and voltage alarms based on pattern recognition 8；
Further, described electromagnetic trip killer switch 1 end of incoming cables connection three-phase power line, leading-out terminal it is each
Phase power line both passes through the coil of described current transformer 6 and connects load, described in the primary side connection of each current transformer 6
Electrothermal relay 7, secondary side ground connection；
Further, the upper end of the patch jack 4 is provided with loudspeaker 12, and the left side of the patch jack 4 is provided with
Adjusting knob 13, the lower position of the adjusting knob 13 are fixed with supporting plate 14；
Further, the right side of the loudspeaker 12 is connected with display screen 15, and the lower section of display screen 15 is provided with control
Button 16, the right side of the control button 16 be provided with power switch 17, and power switch 17 is fixedly arranged above USB interface
18；
Further, the outside connection organism 19 of the warning light 10, the body 19 are internally provided with circuit case
20, and the top of circuit case 20 is provided with temperature sensor 21；
Further, the right side of the temperature sensor 21 is fixed with breaker 22, and the top of the voltage alarms based on pattern recognition 8 connects
Breaker 22 is connected to, the right side of the voltage alarms based on pattern recognition 8 is provided with earth leakage protective device 23.
Further, the voltage alarms based on pattern recognition 8 includes 3 voltage alarm test wires 81 and 1 zero line 82；In the voltage
The end set of alarm test wire 81 has plug 24；The top of the plug 24 is provided with contact pin, and the plug inside is in series with
Light emitting diode 25 and the backward dioded 26 for preventing from puncturing the light emitting diode 25.
Further, the input of the breaker 22 is connected with the negative input end of optocoupler 3, the output end of breaker 22
It is connected by resistance and voltage-regulator diode 2 with the positive input terminal of optocoupler 3；The output end of optocoupler 3 and one end phase of electrothermal relay 7
Connection, the other end of electrothermal relay 7 are connected with the output end of voltage-stabilized power supply 5, one end phase of the electrothermal relay 7 and loudspeaker 9
Connection, the other end of the other end and indicator lamp 11 of loudspeaker 9 connect；The output end of optocoupler 3 while the ground with voltage-stabilized power supply 5
Line end is connected；Two inputs of the voltage-stabilized power supply 5 are connected with any two input of breaker 22 respectively.
Further, the lamp holder of the light emitting diode 25 is set in a manner of being exposed to the plug exterior；Described
The protective resistance for protection circuit and multiple split-phases are additionally provided between light emitting diode 25 and the backward dioded 26
Current alarm 27, the current alarm 27 are open-core transformer structure, are connected using buckle-type.
Further, be provided with the current alarm 27 light emitting diode 25 and with the light emitting diode 25 simultaneously
The backward dioded 26 for being used to prevent to cause the secondary side of current alarm 27 open circuit in reversal periods of connection；It is described luminous
The lamp holder of diode 25 is set in a manner of being exposed to the outside of current alarm 27.
Preferably, the voltage alarms based on pattern recognition 8 is the voltage alarms based on pattern recognition of three-phase.
Preferably, the adjusting knob 13 is symmetrical structure with display screen 15, and rotating range is 0-360 degree.
Further, the light emitting diode 25 of the voltage alarms based on pattern recognition 8 and the pin of backward dioded 26 are also wrapped on heat
The draw.
Further, the circuit case 20 and voltage alarms based on pattern recognition 8 connect for electrically input.
Lock experiment is pressed off again for the experiment that some need to be passed through voltage, such as sampling, band, before the test by voltage alarm
4 plugs access core test wire tail end of relay protection four of device, inserts corresponding end by the core test wire of relay protection four again afterwards
Son row, experimental rig are passed through voltage light emitting diode and light alarm.
For through-flow test, such as sampling, excessively stream, zero sequence experiment, corresponding phase line is caught in electric current alarm before the test
Device.Alarm is lighted when experimental rig is passed through galvanoluminescence diode to protection device.But for three-phase equilibrium electric current,
Variation rate of magnetic flux and be zero, then will not show, then answer split-phase to use current alarm.But current alarm is for asymmetry
Electric current can be with sensitive instruction, so can also be used for monitoring experimental rig current open.
Voltage alarms based on pattern recognition of the present utility model and current alarm can effectively prevent operating personnel from plugging experiment
Line, reduce the personal injury to operating personnel；Loss of the hot plugging test wire to equipment can be reduced, increases the use of equipment
Life-span；The working range of voltage alarms based on pattern recognition and the working range of current alarm are extensive, can effectively meet current work need
Will.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in
Protection domain within.
Claims (8)
1. a kind of alarm relay protection device, including electromagnetic trip killer switch（1）, voltage-regulator diode（2）, optocoupler（3）、
Loudspeaker（9）, patch jack（4）, warning light（10）, indicator lamp（11）And voltage-stabilized power supply（5）, it is characterised in that also include：Electric current
Transformer（6）, electrothermal relay（7）And voltage alarms based on pattern recognition（8）；
Described electromagnetic trip killer switch（1）End of incoming cables connection three-phase power line, each phase power line of leading-out terminal it is equal
Through described current transformer（6）Coil and connect load, each current transformer（6）The described heat of primary side connection after
Electrical equipment（7）, secondary side ground connection；
The patch jack（4）Upper end be provided with loudspeaker（12）, the patch jack（4）Left side adjusting knob is installed
（13）, the adjusting knob（13）Lower position be fixed with supporting plate（14）；
The loudspeaker（12）Right side be connected with display screen（15）, and display screen（15）Lower section be provided with control button
（16）, the control button（16）Right side power switch is installed（17）, and power switch（17）The USB that is fixedly arranged above connect
Mouthful（18）；
The warning light（10）Outside connection organism（19）, the body（19）Be internally provided with circuit case（20）, and
Circuit case（20）Top temperature sensor is installed（21）；
The temperature sensor（21）Right side be fixed with breaker（22）, the voltage alarms based on pattern recognition（8）Top be connected with it is disconnected
Road device（22）, the voltage alarms based on pattern recognition（8）Right side be provided with earth leakage protective device（23）；
The voltage alarms based on pattern recognition（8）Including 3 voltage alarm test wires（81）With 1 zero line（82）；Tried in the voltage alarm
Test line（81）End set have plug（24）；The plug（24）Top be provided with contact pin, the plug inside is in series with
Light emitting diode（25）With for preventing from puncturing the light emitting diode（25）Backward dioded（26）；
The breaker（22）Input and optocoupler（3）Negative input end be connected, breaker（22）Output end pass through electricity
Resistance and voltage-regulator diode（2）With optocoupler（3）Positive input terminal be connected；Optocoupler（3）Output end and electrothermal relay（7）One end
It is connected, electrothermal relay（7）The other end and voltage-stabilized power supply（5）Output end be connected, the electrothermal relay（7）With loudspeaker
（9）One end be connected, loudspeaker（9）The other end and indicator lamp（11）The other end connect；Optocoupler（3）Output end it is same
When and voltage-stabilized power supply（5）Ground terminal be connected.
A kind of 2. alarm relay protection device according to claim 1, it is characterised in that the voltage-stabilized power supply（5）'s
Two inputs respectively with breaker（22）Any two input be connected.
A kind of 3. alarm relay protection device according to claim 1, it is characterised in that the light emitting diode（25）
Lamp holder set in a manner of being exposed to the plug exterior；In the light emitting diode（25）With the backward dioded（26）
Between be additionally provided with the current alarm of protective resistance and multiple split-phases for protection circuit（27）, the current alarm
（27）For open-core transformer structure, connected using buckle-type.
4. a kind of alarm relay protection device according to claim 3, it is characterised in that in the current alarm
（27）Inside it is provided with light emitting diode（25）With with the light emitting diode（25）It is in parallel to be used to prevent from making in reversal periods
Into the current alarm（27）The backward dioded of secondary side open circuit（26）；The light emitting diode（25）Lamp holder to expose
In the current alarm（27）Outside mode is set.
A kind of 5. alarm relay protection device according to claim 1, it is characterised in that the voltage alarms based on pattern recognition（8）
For the voltage alarms based on pattern recognition of three-phase.
A kind of 6. alarm relay protection device according to claim 1, it is characterised in that the adjusting knob（13）With
Display screen（15）For symmetrical structure, and rotating range is 0-360 degree.
A kind of 7. alarm relay protection device according to claim 1, it is characterised in that the circuit case（20）And electricity
Press alarm（8）For electrically input connection.
A kind of 8. alarm relay protection device according to any one of claim 1 to 7, it is characterised in that the voltage
Alarm（8）Light emitting diode（25）And backward dioded（26）Pin be also wrapped on heat-shrink tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720495457.3U CN206725721U (en) | 2017-05-06 | 2017-05-06 | Alarm relay protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720495457.3U CN206725721U (en) | 2017-05-06 | 2017-05-06 | Alarm relay protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206725721U true CN206725721U (en) | 2017-12-08 |
Family
ID=60508816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720495457.3U Expired - Fee Related CN206725721U (en) | 2017-05-06 | 2017-05-06 | Alarm relay protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206725721U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109980620A (en) * | 2019-04-03 | 2019-07-05 | 大唐东营发电有限公司 | A kind of protective relaying device with change relay parameter function |
-
2017
- 2017-05-06 CN CN201720495457.3U patent/CN206725721U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109980620A (en) * | 2019-04-03 | 2019-07-05 | 大唐东营发电有限公司 | A kind of protective relaying device with change relay parameter function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171208 Termination date: 20180506 |
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| CF01 | Termination of patent right due to non-payment of annual fee |