CN207457430U - A kind of relay protection circuit integrity tester - Google Patents
A kind of relay protection circuit integrity tester Download PDFInfo
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- CN207457430U CN207457430U CN201721149447.0U CN201721149447U CN207457430U CN 207457430 U CN207457430 U CN 207457430U CN 201721149447 U CN201721149447 U CN 201721149447U CN 207457430 U CN207457430 U CN 207457430U
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- relay protection
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Abstract
The utility model discloses a kind of relay protection circuit integrity testers; including micro-chip processor, relay test module; relay test module is electrically connected with protective relaying device; it is acted by contact/breakpoint of relay test module; with reference to the indicator light of relay protection circuit, input quantity and output quantity; the integrity of relay protection circuit is detected, relay test module is electrically connected with micro-chip processor.The course of work is as follows：1. relay test module is electrically connected with protective relaying device；2. micro-chip processor control relay test module carries out contact/breakpoint action, and the duration of control contact/breakpoint action；3. combining indicator light, input quantity and the output quantity of relay protection circuit, the integrity of relay protection circuit is observed.The utility model can individually control relay tip/breakpoint action of any phase and maintain the time of corresponding actions；The action of relay can also be controlled, the workload of staff is alleviated, improves work efficiency.
Description
Technical field
The utility model is related to relay protection electric installation field, more particularly, to a kind of relay protection circuit integrity
Tester.
Background technology
The method of the transition effect of existing sense channel switching handle is to increase test pressing plate by protection screen, passes through pressing plate
Throwing moves back to simulate the related actuating of relay of protective device to examine.Only have one side to be equipped with the circuit bypassed for circuit, there is side
" route protection transmits " and " bypass protection transmits " two test loops are added in the one side on road；Offside is added " route protection transmits "
One test loop；The circuit of bypass is equipped with for circuit both sides：Both sides are both needed to add " route protection transmits " and " bypass is protected
Two test loops of hair care letter ".Test pressing plate is increased by protection screen, moves back to examine circuit integrity by pressing plate throwing.The control
Measure processed has the following problems：
1. constructional difficulties
Requirement of the control measure to protection screen cabinet is that have spare pressing plate, by taking the four directions of Beijing as an example, at least to there is four pieces
Spare pressing plate, it is understood that there may be the spare insufficient situation of pressing plate.
2. the lane testing time is long
Operations staff is needed to throw when examining circuit integrity and moves back pressing plate, circuit offside also needs operations staff and carries out pressing plate
Throwing is moved back, and both sides need telephonic communication to coordinate, this need of work 10 to 20 minutes.
3. add dispatcher, operations staff's workload.
4. circuit is added significantly to without main protection run time.
Utility model content
The utility model overcomes the defects of above-mentioned existing pressing plate throwing moves back to examine circuit integrity, provides a kind of new
Relay protection circuit integrity tester.The utility model can individually control relay tip/breakpoint of any one phase
Action and the time of maintenance corresponding actions, the action of automatic control relay alleviate the workload of staff.
In order to solve the above technical problems, the technical solution of the utility model is as follows：
A kind of relay protection circuit integrity tester, including micro-chip processor and relay test module, wherein,
The relay test module is electrically connected with protective relaying device, by the contact of relay test module/disconnected
Point action with reference to the indicator light of relay protection circuit, input quantity and output quantity, detects the integrity of relay protection circuit, relay
Device detection module is electrically connected with micro-chip processor.
The course of work of utility model is as follows：
S1：The relay test module is electrically connected with protective relaying device；
S2：The micro-chip processor control relay test module carries out contact/breakpoint and acts, and control contact/disconnected
The duration of point action；
S3：With reference to the indicator light of relay protection circuit, input quantity and output quantity, the integrity of relay protection circuit is observed.
In a kind of preferred scheme, the relay test module include 4 group relays, 4 group relays respectively with
Micro-chip processor is electrically connected, and 2 relay circuits is included per group relay, and the control terminal of 2 relay circuits is electrically connected mutually
It connects, micro-chip processor control is carried out at the same time contact/breakpoint action per group relay；Three group relays successively with protective relaying device
A phases, B phases and C be electrically connected, if protective relaying device include three jump phases, the 4th group relay with three jumps be electrically connected；Often
2 relay circuits in group relay are electrically connected successively with the receiving end of protective relaying device with transmitting end.This preferred embodiment
It is suitble to the protective relaying device using Beijing four directions.
In a kind of preferred scheme, the relay circuit includes relay, triode, diode and current limliting electricity
Resistance, wherein,
Control terminal of the other end of the current-limiting resistance as relay circuit, the other end and microprocessor of current-limiting resistance
One end electrical connection of chip；
One end of the current-limiting resistance is electrically connected with the base stage of triode；
The emitter grounding of the triode；
The collector of the triode is electrically connected with one end of the coil of relay；
Another termination power of the coil of the relay；
One end of the coil is electrically connected with the anode of diode；
The other end of the coil is electrically connected with the cathode of diode.
In this preferred embodiment, when micro-chip processor exports high level, triode ON, relay tip；Work as microprocessor
When chip exports low level, triode cut-off, relay breakpoint.Diode shields.
In a kind of preferred scheme, the relay protection circuit integrity tester further includes state lamp module, shape
State lamp module is intuitively showed the integrity of protective relaying device by the state that turns on/off of status lamp.
In a kind of preferred scheme, the state lamp module include 4 LED circuits, 4 LED circuits respectively with it is micro-
Processing chip is electrically connected, and 4 LED circuits are corresponding with 4 group relays respectively；When micro-chip processor control relay is connect
During point/breakpoint action, corresponding LED circuit carries out turning on/off action.
In a kind of preferred scheme, the relay protection circuit integrity tester further includes LCD display, LCD
Display screen is electrically connected with micro-chip processor, and LCD display is used to showing the current action per group relay and respective action
Duration.
In a kind of preferred scheme, the relay protection circuit integrity tester further includes power circuit, power supply
Circuit is used to power to relay protection circuit integrity tester.
In a kind of preferred scheme, the power circuit includes power supply chip, transient voltage diode, temperature-sensitive electricity
Resistance, varistor and capacitance, wherein,
The transient voltage diode is electrically connected with power supply chip by way of in parallel, when transient voltage is more than circuit
Operating voltage when, avalanche effect occurs for transient voltage diode, and access is provided for transient current, makes power supply chip will not be because of
Overvoltage and it is breakdown；
The thermistor is electrically connected with power supply chip by way of series connection, is inhibited power-on surge current, is made power supply
Chip is from the influence of power-on surge current；
The varistor is electrically connected with power supply chip by way of in parallel, when voltage is more than the threshold value of varistor
When, the resistance value rapid decrease of varistor, guiding electric current passes through varistor so that power supply chip is not affected.
In a kind of preferred scheme, the micro-chip processor is microcontroller.
In a kind of preferred scheme, the relay protection circuit integrity tester further includes UART interface, UART
Interface and monolithic mechatronics, UART interface can carry out programming to the program in microcontroller.
Compared with prior art, the advantageous effect of technical solutions of the utility model is：
1. it individually controls relay tip/breakpoint action of any one phase and maintains the time of corresponding actions.2. from
The action of dynamic control relay, alleviates the workload of staff, improves work efficiency.
3. can not only test protection passage integrity, other various normally opened node circuit integrity can also be tested.
Description of the drawings
Fig. 1 is example structure figure.
Fig. 2 is embodiment power circuit diagram.
Fig. 3 is embodiment relay circuit figure.
Fig. 4 positions embodiment LCD display circuit diagram.
Fig. 5 is embodiment LED circuit diagram.
Fig. 6 is embodiment micro-chip processor and UART interface circuit diagram.
Fig. 7 is 1 collection of letters schematic diagram of embodiment.
Fig. 8 transmits schematic diagram for embodiment 1.
Fig. 9 is 2 collection of letters schematic diagram of embodiment.
Figure 10 transmits schematic diagram for embodiment 2.
Specific embodiment
Attached drawing is only for illustration, it is impossible to be interpreted as the limitation to this patent；
To those skilled in the art, it is to be appreciated that some known features and its explanation, which may be omitted, in attached drawing
's.
The technical solution of the utility model is described further with reference to the accompanying drawings and examples.
Embodiment 1
As shown in Figure 1, a kind of relay protection circuit integrity tester, including microcontroller, power supply, LCD display, first
Group relay, the second group relay, the 3rd group relay, the 4th group relay, the first LED circuit, the second LED circuit, the 3rd
LED circuit, the 4th LED circuit and UART interface, wherein,
Power supply and monolithic mechatronics, the circuit diagram of power supply is as shown in Fig. 2, power circuit includes power supply chip, transient state electricity
Pressure diode, thermistor, varistor and capacitance, transient voltage diode are electrically connected with power supply chip by mode in parallel
It connects；Thermistor is electrically connected with power supply chip by way of series connection；Varistor passes through mode electricity in parallel with power supply chip
Connection.
Include 2 relays per group relay, and the control terminal of 2 relay circuits is electrically connected to each other, relay and list
Piece mechatronics, micro-chip processor control are carried out at the same time contact/breakpoint action, circuit diagram such as Fig. 3 of relay per group relay
Shown, relay circuit includes relay, triode, diode and current-limiting resistance, and the other end of current-limiting resistance is as relay
The control terminal of circuit, the other end of current-limiting resistance are electrically connected with one end of micro-chip processor；One end of current-limiting resistance and triode
Base stage electrical connection；The emitter grounding of triode；The collector of triode is electrically connected with one end of the coil of relay；Relay
Coil another termination power；One end of coil is electrically connected with the anode of diode；The other end of coil and the moon of diode
Pole is electrically connected.
LCD display and monolithic mechatronics, the circuit diagram of LCD display are as shown in Figure 4；
LED circuit and monolithic mechatronics, the circuit diagram of LED circuit are as shown in Figure 5；
UART interface and monolithic mechatronics, UART interface are as shown in Figure 6 with single chip circuit.
1 workflow of embodiment：
The collection of letters schematic diagram of embodiment 1 and Beijing four directions CSC-101 and CSC-102 is as shown in Figure 7；
Embodiment 1 and Beijing four directions CSC-101 and CSC-102 to transmit schematic diagram as shown in Figure 8；
Four group relays in embodiment 1（K1、K2、K3、K4）It jumps and is electrically connected with A phase, B phase, C phase and three respectively, often
Two relays are electrically connected respectively with collecting mail and transmitting in group.Four LED circuits correspond to one of which relay respectively.One group after
Electrical work, corresponding LED circuit luminescence display.Microcontroller individually control the contact of each group relay/breakpoint action and
Maintain the time of corresponding actions.With reference to the indicator light of relay protection circuit, input quantity and output quantity, relay protection circuit is observed
Integrity.LCD display is current per the action of group relay and the duration of respective action for showing.UART interface
Program in programming microcontroller.Embodiment 1 is used to test the protection passage integrity in Beijing four directions.
Embodiment 2
As shown in Figure 1, a kind of relay protection circuit integrity tester, including microcontroller, power supply, LCD display, first
Group relay, the second group relay, the 3rd group relay, the 4th group relay, the first LED circuit, the second LED circuit, the 3rd
LED circuit, the 4th LED circuit and UART interface, wherein,
Power supply and monolithic mechatronics, the circuit diagram of power supply is as shown in Fig. 2, power circuit includes power supply chip, transient state electricity
Pressure diode, thermistor, varistor and capacitance, transient voltage diode are electrically connected with power supply chip by mode in parallel
It connects；Thermistor is electrically connected with power supply chip by way of series connection；Varistor passes through mode electricity in parallel with power supply chip
Connection.
Include 2 relays per group relay, and the control terminal of 2 relay circuits is electrically connected to each other, relay and list
Piece mechatronics, micro-chip processor control are carried out at the same time contact/breakpoint action, circuit diagram such as Fig. 3 of relay per group relay
Shown, relay circuit includes relay, triode, diode and current-limiting resistance, and the other end of current-limiting resistance is as relay
The control terminal of circuit, the other end of current-limiting resistance are electrically connected with one end of micro-chip processor；One end of current-limiting resistance and triode
Base stage electrical connection；The emitter grounding of triode；The collector of triode is electrically connected with one end of the coil of relay；Relay
Coil another termination power；One end of coil is electrically connected with the anode of diode；The other end of coil and the moon of diode
Pole is electrically connected.
LCD display and monolithic mechatronics, the circuit diagram of LCD display are as shown in Figure 4；
LED circuit and monolithic mechatronics, the circuit diagram of LED circuit are as shown in Figure 5；
UART interface and monolithic mechatronics, UART interface are as shown in Figure 6 with single chip circuit.
2 workflow of embodiment：
Embodiment 2 and the collection of letters schematic diagram of the auspicious relay protection RCS-902 and FOX-41 in south are as shown in Figure 9；
Embodiment 2 and the auspicious relay protection RCS-902 and FOX-41 in south to transmit schematic diagram as shown in Figure 10；
Four group relays in embodiment 2（K1、K2、K3）It is electrically connected respectively with A phase, B phase, C phase, two relays in every group
Device is electrically connected respectively with collecting mail and transmitting.Four LED circuits correspond to one of which relay respectively.One group relay works, right
The LED circuit luminescence display answered.Microcontroller individually controls contact/breakpoint action of each group relay and remains corresponding dynamic
The time of work.With reference to the indicator light of relay protection circuit, input quantity and output quantity, the integrity of relay protection circuit is observed.LCD
Display screen is current per the action of group relay and the duration of respective action for showing.UART interface programming microcontroller
In program.Embodiment 2 is used to test the protection passage integrity of the auspicious relay protection in south.
The same or similar label correspond to the same or similar components；
The terms describing the positional relationship in the drawings are only for illustration, it is impossible to be interpreted as the limitation to this patent；
Obviously, above-described embodiment of the utility model is only intended to clearly illustrate the utility model example, and
It is not the restriction to the embodiment of the utility model.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
It is exhaustive.All any modification, equivalent and improvement made within the spirit and principle of the utility model etc., should be included in
Within the protection domain of the utility model claims.
Claims (10)
- A kind of 1. relay protection circuit integrity tester, which is characterized in that the protective relaying device integrity tester Including micro-chip processor and relay test module, wherein,The relay test module is electrically connected with protective relaying device, is moved by contact/breakpoint of relay test module Make, with reference to the indicator light of relay protection circuit, input quantity and output quantity, detect the integrity of relay protection circuit, relay inspection Module is surveyed to be electrically connected with micro-chip processor.
- 2. relay protection circuit integrity tester according to claim 1, which is characterized in that the relay test Module includes 4 group relays, and 4 group relays are electrically connected respectively with micro-chip processor, and 2 relay electricity are included per group relay Road, and the control terminal of 2 relay circuits is electrically connected to each other, micro-chip processor control are carried out at the same time contact/disconnected per group relay Point action；Three group relays are electrically connected successively with the A phases, B phases and C of protective relaying device, if protective relaying device includes three Phase is jumped, then the 4th group relay is jumped with three and is electrically connected；2 relay circuits in per group relay fill successively with relay protection The receiving end put is electrically connected with transmitting end.
- 3. relay protection circuit integrity tester according to claim 2, which is characterized in that the relay circuit Including relay, triode, diode and current-limiting resistance, wherein,Control terminal of the other end of the current-limiting resistance as relay circuit, the other end and micro-chip processor of current-limiting resistance One end electrical connection；One end of the current-limiting resistance is electrically connected with the base stage of triode；The emitter grounding of the triode；The collector of the triode is electrically connected with one end of the coil of relay；Another termination power of the coil of the relay；One end of the coil is electrically connected with the anode of diode；The other end of the coil is electrically connected with the cathode of diode.
- 4. the relay protection circuit integrity tester according to Claims 2 or 3, which is characterized in that the relay is protected Protection circuit integrity tester further includes state lamp module, and state lamp module intuitively will be after by the state that turns on/off of status lamp The integrity of electrical protective device shows.
- 5. relay protection circuit integrity tester according to claim 4, which is characterized in that the state lamp module Including 4 LED circuits, 4 LED circuits are electrically connected respectively with micro-chip processor, and 4 LED circuits respectively with 4 group relays pair It should；When micro-chip processor control relay carries out contact/breakpoint action, corresponding LED circuit carries out turning on/off action.
- 6. the relay protection circuit integrity tester according to claim 1,2,3 or 5, which is characterized in that it is described after Electric protection circuit integrity tester further includes LCD display, and LCD display is electrically connected with micro-chip processor.
- 7. relay protection circuit integrity tester according to claim 6, which is characterized in that the relay protection electricity Road integrity tester further includes power circuit, and power circuit is used to power to relay protection circuit integrity tester.
- 8. relay protection circuit integrity tester according to claim 7, which is characterized in that the power circuit bag Power supply chip, transient voltage diode, thermistor, varistor and capacitance are included, wherein,The transient voltage diode is electrically connected with power supply chip by way of in parallel；The thermistor is electrically connected with power supply chip by way of series connection；The varistor is electrically connected with power supply chip by way of in parallel.
- 9. the relay protection circuit integrity tester according to claim 1,2,3,5,7 or 8, which is characterized in that described Micro-chip processor be microcontroller.
- 10. relay protection circuit integrity tester according to claim 9, which is characterized in that the relay protection Circuit integrity tester further includes UART interface, UART interface and monolithic mechatronics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721149447.0U CN207457430U (en) | 2017-09-08 | 2017-09-08 | A kind of relay protection circuit integrity tester |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721149447.0U CN207457430U (en) | 2017-09-08 | 2017-09-08 | A kind of relay protection circuit integrity tester |
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| Publication Number | Publication Date |
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| CN207457430U true CN207457430U (en) | 2018-06-05 |
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| CN201721149447.0U Active CN207457430U (en) | 2017-09-08 | 2017-09-08 | A kind of relay protection circuit integrity tester |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109116228A (en) * | 2018-10-15 | 2019-01-01 | 广州铭族科技有限公司 | A kind of relay protection channel performance test methods and system |
-
2017
- 2017-09-08 CN CN201721149447.0U patent/CN207457430U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109116228A (en) * | 2018-10-15 | 2019-01-01 | 广州铭族科技有限公司 | A kind of relay protection channel performance test methods and system |
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