CN213546193U - Electrical interlocking display device for isolating switch - Google Patents
Electrical interlocking display device for isolating switch Download PDFInfo
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- CN213546193U CN213546193U CN202023103637.3U CN202023103637U CN213546193U CN 213546193 U CN213546193 U CN 213546193U CN 202023103637 U CN202023103637 U CN 202023103637U CN 213546193 U CN213546193 U CN 213546193U
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- 238000012544 monitoring process Methods 0.000 claims abstract description 16
- 238000001514 detection method Methods 0.000 claims abstract description 14
- 230000017525 heat dissipation Effects 0.000 claims description 5
- 229910000861 Mg alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000013024 troubleshooting Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000009429 electrical wiring Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model discloses an isolator electrical interlocking display device, include: the intelligent control device comprises a shell, wherein an operation panel is arranged on the front side of the shell, the operation panel is provided with an indicator lamp hole, a first self-checking switch hole and a second self-checking switch hole, and a main control module and a power module are arranged in the shell; the main control module comprises a switch detection circuit and a monitoring locking circuit; the power supply module is connected with the switch detection circuit and the monitoring locking circuit; the switch detection circuit comprises a plurality of isolating switches, a first indicator light and a first self-checking switch; the isolating switches are connected in series with the first indicator lamps in a one-to-one correspondence manner; the first self-checking switch is connected in parallel with the isolating switch; the monitoring locking circuit comprises a second self-checking switch and a second indicator light, and the positive end of the second indicator light is connected with the contact end of the isolating switch; the second self-checking switch is connected with the positive end of the second indicator light. The utility model provides a current unable real-time supervision of electric interlocking return circuit, the long problem of troubleshooting time improve work efficiency.
Description
Technical Field
The utility model relates to an electrical control technical field, concretely relates to isolator electrical interlocking display device.
Background
The principle of the electrical locking of the disconnecting switch is that auxiliary nodes of equipment such as a circuit breaker, the disconnecting switch, a grounding disconnecting switch and the like are conditionally connected in secondary electrical control to form an AND or OR relationship to control the connection and disconnection of a power supply loop, so that the purpose of controlling primary equipment is achieved. The auxiliary node connected into the loop should meet the requirement of reliable on-off, the auxiliary switch should meet the requirement of responding to one-time equipment switching, and the electrical wiring should meet the requirement of preventing electrical misoperation.
The electrical interlocking of the disconnecting switch is a seemingly simple electrical circuit, but the electrical circuit of a circuit breaker and an earthing disconnecting switch is involved, and if the interlocking fails, serious misoperation such as pulling the disconnecting switch with load, connecting an earthing knife with electricity, transmitting electricity with the earthing knife and the like can be caused, so the importance of the electrical interlocking is self-evident.
At the present stage, an electrical interlocking loop relates to a plurality of isolating switches and circuit breakers at intervals, secondary cables are more and complicated, problems and loop errors are not easy to find, the problems are not easy to find, and a large amount of time is usually consumed due to the fact that the related loops are more and are widely distributed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve lies in to the not enough among the above-mentioned prior art, provides isolator electrical interlocking display device.
The utility model provides a technical scheme that its technical problem adopted is:
isolator electric interlocking display device includes:
the intelligent lamp comprises a shell, wherein an operation panel is arranged on the front side of the shell, the operation panel is provided with an indicator lamp hole, a first self-checking switch hole and a second self-checking switch hole, and a main control module and a power supply module are arranged in the shell;
the main control module comprises a switch detection circuit and a monitoring locking circuit; the power supply module is connected with the switch detection circuit and the monitoring locking circuit;
the switch detection circuit comprises a plurality of isolating switches, a first indicator light and a first self-checking switch; the isolating switches are connected in series with the first indicator lamps in a one-to-one correspondence manner; the first self-checking switch is connected in parallel with the isolating switch;
the monitoring locking circuit comprises a second self-checking switch and a second indicator light, wherein the positive end of the second indicator light is connected with the contact end of the isolating switch, and the negative end of the second indicator light is grounded; the second self-checking switch is connected with the positive end of the second indicator light, and the second self-checking switch is connected with the power supply module.
As a further technical solution of the utility model is: and the cathode end of the second indicator light is grounded through a voltage limiting resistor.
As a further technical solution of the utility model is: and the rear side of the shell is provided with a wiring port.
As a further technical solution of the utility model is: handles are respectively arranged on two sides of the shell 1.
As a further technical solution of the utility model is: and heat dissipation holes are formed in two sides of the shell.
As a further technical solution of the utility model is: the shell is made of aluminum-magnesium alloy materials.
As a further technical solution of the utility model is: the wiring port is provided with a high positive terminal row.
As a further technical solution of the utility model is: the first indicator light and the second indicator light are Schneider XB type light emitting diodes.
As a further technical solution of the utility model is: the power supply module adopts a NED-100 type rectification power supply module.
The utility model has the advantages that:
the utility model provides a isolator electric interlocking display device solves the problem that current electric interlocking return circuit can't real-time supervision, troubleshooting time is long, can carry out real-time supervision to the integrity of secondary interlocking isolator electric interlocking display device, can both keep watch on whether primary equipment is in place, can also keep watch on whether the shutting is normal with corresponding secondary auxiliary contact; the time for troubleshooting by maintainers is shortened, and the working efficiency is increased; the device can realize the self-checking, prevents to damage because of components and parts such as pilot lamp and leads to operating personnel misjudgement.
Drawings
Fig. 1 is a front view of an electrical interlock display device of a disconnecting switch according to the present invention;
fig. 2 is a rear view of the isolating switch electric interlocking display device provided by the present invention;
fig. 3 is a left side view of the isolating switch electric interlocking display device provided by the present invention;
fig. 4 is a circuit diagram of a switch detection circuit of the isolating switch electric interlocking display device provided by the utility model;
fig. 5 is a monitoring locking circuit diagram of the isolating switch electrical interlocking display device provided by the utility model.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 5, fig. 1 is a front view of an electrical interlock display device of a disconnecting switch according to the present invention; fig. 2 is a rear view of the isolating switch electric interlocking display device provided by the present invention; fig. 3 is a left side view of the isolating switch electric interlocking display device provided by the present invention; fig. 4 is a circuit diagram of a switch detection circuit of the isolating switch electric interlocking display device provided by the utility model; fig. 5 is a monitoring locking circuit diagram of the isolating switch electric interlocking display device provided by the present invention;
as shown in fig. 1 to 5, the present invention provides an electrical interlock display device for a disconnecting switch, comprising:
the intelligent control device comprises a shell 1, wherein an operation panel 11 is arranged on the front side of the shell 1, the operation panel 11 is provided with an indicator lamp hole, a first self-checking switch hole and a second self-checking switch hole, and a main control module 2 and a power module 3 are arranged in the shell 1;
the main control module 2 comprises a switch detection circuit 21 and a monitoring locking circuit 22; the power module 3 is connected with the switch detection circuit 21 and the monitoring locking circuit 22;
the switch detection circuit 21 comprises a plurality of isolating switches 211, a first indicator lamp 212 and a first self-checking switch 213; the isolating switches 211 are connected in series with the first indicator lamps 212 in a one-to-one correspondence manner; the first self-checking switch 213 is connected in parallel with the isolating switch;
the monitoring locking circuit 22 comprises a second self-checking switch 221 and a second indicator light 222, wherein the positive terminal of the second indicator light 222 is connected with the contact terminal of the isolating switch 211, and the negative terminal of the second indicator light 222 is grounded; the second self-test switch 221 is connected to the positive terminal of the second indicator lamp 222, and the second self-test switch 221 is connected to the power module 3.
The utility model takes the other pair of auxiliary contacts of the corresponding isolating switch (circuit breaker) for locking, designs a loop for monitoring whether the primary equipment is in place or not, can be directly observed according to the on-off of the indicator light, and solves the problem of failure of electric locking caused by the fact that the primary equipment is not in place; a monitoring circuit is added on the basis of the original locking circuit and is used for solving the problem of failure of the electric locking function caused by damage of an auxiliary contact for locking and the like; the self-checking loop is designed, and the self-checking of the device can be realized, so that the misindication and misjudgment caused by the problems of the components of the loop and the like are prevented.
The utility model provides a isolator electric interlocking display device solves the problem that current electric interlocking return circuit can't real-time supervision, troubleshooting time is long, can carry out real-time supervision to the integrity of secondary interlocking isolator electric interlocking display device, can both keep watch on whether primary equipment is in place, can also keep watch on whether the shutting is normal with corresponding secondary auxiliary contact; the time for troubleshooting by maintainers is shortened, and the working efficiency is increased; the device can realize the self-checking, prevents to damage because of components and parts such as pilot lamp and leads to operating personnel misjudgement.
In the embodiment of the present invention, in order to prevent the short circuit of the second indicator light from causing the auxiliary contact connected to the rear side to be shorted, the negative terminal of the second indicator light 222 is grounded through the voltage limiting resistor 223. The auxiliary nodes correspond to the indicating lamps of the operation panel one by one, and the operation panel is accurate and visual.
The LED11 lamp in the first indicator lamp is on to indicate that the 2GD1 disconnecting switch is in place in a separated position, the LED12 lamp is on to indicate that the circuit breaker is in place in a separated position, and the LED13 lamp is on to indicate that the 2GD2 disconnecting switch is in place in a separated position; and the three indicator lamps are fully on by rotating the self-checking switch, otherwise, the indicator lamps need to be replaced or the secondary circuit needs to be checked to determine whether the secondary circuit is in virtual connection or not.
The second indicator lamps LED21, LED22 and LED23 are on to indicate that the auxiliary contacts of the isolating switch (circuit breaker) for locking are normal, the LEDs 21 and LED22 are on, and the LED23 is off to indicate that the auxiliary contacts 2GD2 for locking have problems; the LED21 is turned on, the LED22 and the LED23 are turned off, which indicates that the auxiliary contact DL of the circuit breaker for locking is definitely in a problem, and the auxiliary contact 2GD2 of the disconnecting switch for locking can be in a problem; the lights of the LED21, the LED22, and the LED23 all turn off, indicating that the auxiliary contact 2GD1 for the lockout disconnector is definitely problematic, and that the auxiliary contact DL for the lockout disconnector and the auxiliary contact 2GD2 for the lockout disconnector may be problematic.
The utility model discloses in the concrete implementation in-process, it is intact to show electric shutting function when all pilot lamps are bright entirely, if there is the condition that certain pilot lamp goes out, at first should rotate self-checking switch 1 and self-checking switch 2 (go up the bank of lights and go out rotatory self-checking switch 1, lower bank of lights goes out rotatory self-checking switch 2), if all pilot lamps homoenergetic normal lighting behind the rotatory self-checking switch, then can confirm that electric shutting function is inefficacy, can be according to the preceding the fault location is judged to the pilot lamp principle, and quick recovery electric shutting function should operate primary equipment before the recovery with care.
The utility model provides a rear side of shell 1 sets up wiring mouth 12, and wiring mouth 12 sets up high positive terminal row, and wherein the broken line pulling force is greater than 50 Kg. Handles 13 are respectively arranged on two sides of the shell 1, so that the shell is convenient to move. The heat dissipation holes 14 are formed in both sides of the housing 1, which is advantageous for heat dissipation. The shell 1 is made of aluminum-magnesium alloy materials, and is light in weight, good in heat dissipation and high in mechanical strength.
The first indicator light 212 and the second indicator light 222 are schneider XB type light emitting diodes. The power supply module 3 adopts a NED-100 type rectification power supply module. The controllable rectification power supply outputs stable 12-250V direct current voltage for use.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge of those skilled in the art.
Many other changes and modifications can be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not to be limited to the specific embodiments, and that the scope of the invention is defined by the appended claims.
Claims (9)
1. Isolator electric interlocking display device, its characterized in that: the method comprises the following steps:
the intelligent lamp comprises a shell, wherein an operation panel is arranged on the front side of the shell, the operation panel is provided with an indicator lamp hole, a first self-checking switch hole and a second self-checking switch hole, and a main control module and a power supply module are arranged in the shell;
the main control module comprises a switch detection circuit and a monitoring locking circuit; the power supply module is connected with the switch detection circuit and the monitoring locking circuit;
the switch detection circuit comprises a plurality of isolating switches, a first indicator light and a first self-checking switch; the isolating switches are connected in series with the first indicator lamps in a one-to-one correspondence manner; the first self-checking switch is connected in parallel with the isolating switch;
the monitoring locking circuit comprises a second self-checking switch and a second indicator light, wherein the positive end of the second indicator light is connected with the contact end of the isolating switch, and the negative end of the second indicator light is grounded; the second self-checking switch is connected with the positive end of the second indicator light, and the second self-checking switch is connected with the power supply module.
2. The isolating switch electrical interlock display of claim 1, wherein: and the cathode end of the second indicator light is grounded through a voltage limiting resistor.
3. The isolating switch electrical interlock display of claim 1, wherein: and the rear side of the shell is provided with a wiring port.
4. The isolating switch electrical interlock display of claim 1, wherein: handles are respectively arranged on two sides of the shell.
5. The isolating switch electrical interlock display of claim 1, wherein: and heat dissipation holes are respectively formed in two sides of the shell.
6. The isolating switch electrical interlock display of claim 1, wherein: the shell is made of aluminum-magnesium alloy materials.
7. The isolating switch electrical interlock display of claim 3, wherein: the wiring port is provided with a high positive terminal row.
8. The isolating switch electrical interlock display of claim 1, wherein: the first indicator light and the second indicator light are Schneider XB type light emitting diodes.
9. The isolating switch electrical interlock display of claim 1, wherein: the power supply module adopts a NED-100 type rectification power supply module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023103637.3U CN213546193U (en) | 2020-12-20 | 2020-12-20 | Electrical interlocking display device for isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023103637.3U CN213546193U (en) | 2020-12-20 | 2020-12-20 | Electrical interlocking display device for isolating switch |
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| Publication Number | Publication Date |
|---|---|
| CN213546193U true CN213546193U (en) | 2021-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023103637.3U Active CN213546193U (en) | 2020-12-20 | 2020-12-20 | Electrical interlocking display device for isolating switch |
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| Country | Link |
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| CN (1) | CN213546193U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114236265A (en) * | 2021-11-16 | 2022-03-25 | 广西电网有限责任公司桂林供电局 | Real-time detection system and method based on isolating switch electrical interlocking display device |
-
2020
- 2020-12-20 CN CN202023103637.3U patent/CN213546193U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114236265A (en) * | 2021-11-16 | 2022-03-25 | 广西电网有限责任公司桂林供电局 | Real-time detection system and method based on isolating switch electrical interlocking display device |
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