CN217468237U - Electromagnetic lock device for preventing misoperation of load switch - Google Patents
Electromagnetic lock device for preventing misoperation of load switch Download PDFInfo
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- CN217468237U CN217468237U CN202221417563.7U CN202221417563U CN217468237U CN 217468237 U CN217468237 U CN 217468237U CN 202221417563 U CN202221417563 U CN 202221417563U CN 217468237 U CN217468237 U CN 217468237U
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Abstract
The utility model provides a load switch prevents electromagnetic lock device of maloperation, install the electromagnetic lock on the face of load switch's ground connection operating device one side, and the electromagnetic lock moves the iron core under the power-off state and fixes a position the ground connection arbor among the ground connection operating device, detecting element is fixed in on the mounting panel on load switch's the frame body, detecting element's input is connected with the generating line row that load switch is connected, and detecting element's output is connected with the input of electrified display, the output of electrified display is connected with the input of electromagnetic lock, and make the pilot lamp that lies in on the electrified display in the detection return circuit that electrified display and detecting element formed light under the electrified state of generating line row, and the return circuit outage that electrified display and electromagnetic lock formed. The utility model discloses avoid the user to cause the internals to damage or bring the potential safety hazard because of the maloperation, can fine prevent high tension switchgear electrical misoperation, have mandatory characteristics, very big convenience of customers joins in marriage the cabinet installation, improve product performance.
Description
Technical Field
The utility model belongs to the technical field of the high-voltage board, concretely relates to load switch prevents electromagnetic lock device of maloperation.
Background
The load switch has the advantages of small volume, compact structure, integration of the isolating switch, the load switch, the grounding switch and the fuse into a whole, comprehensive high-voltage electrical appliance product, short arc extinguishing time and convenient replacement of the fusion tube, and can well protect the transformer and be accepted by the market.
The grounding switch is not allowed to be closed under the condition that the switch is electrified, the grounding switch is allowed to be closed after the load switch is opened, and then the cabinet door is opened for maintenance; in the current FZN25 type load switch, an operating handle can still be inserted into an operating hole of a grounding shaft in a closing state to carry out grounding knife closing operation, so that potential safety hazards exist; normally, manufacturers can install a padlock head at a grounding cutter shaft, and avoid misoperation of a user by installing a padlock at the shaft end, but the scheme has the following problems in actual use:
firstly, the operation of closing and separating the grounding switch is inconvenient, and the using process is complicated;
secondly, the scheme is only purely mechanical anti-false lock and does not have an electrical function;
the actual use effect is not ideal, and the requirement of misoperation prevention cannot be well solved;
in order to avoid the problems encountered in the practical use of the above scheme, the anti-misoperation function of the product needs to be optimized and improved, and the potential safety hazard caused by misoperation is avoided, so that improvement is necessary.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem: the utility model provides a load switch prevents electromagnetic lock device of maloperation, through set up including the electromagnetic lock on load switch, electrified display and detecting element's automatically controlled mechanism electromagnetic lock device, avoid the user to cause the internals to damage or bring the potential safety hazard because of the maloperation, can finely prevent the electric maloperation of high tension switchgear, mandatory characteristics have, install detecting element on load switch, very big convenience of customers joins in marriage the cabinet installation, make product performance promote, prevent that the maloperation is effectual.
The utility model adopts the technical proposal that: load switch prevents electromagnetic lock device of maloperation, including preventing that load switch from operating with load's electromagnetic lock, electrified display and being used for detecting whether there is electric detecting element on the load switch generating line row, electrified display is connected with the power, and the power source of electromagnetic lock is connected with load switch's supplementary normally closed contact, the electromagnetic lock is installed on the face of load switch's ground connection operating device one side, and the electromagnetic lock moves the ground connection arbor of iron core in to ground connection operating device under the outage state and fix a position, detecting element is fixed in on the mounting panel on load switch's the frame body, detecting element's input is connected with the generating line row that load switch is connected, and detecting element's output and electrified display's input are connected, the output of electrified display is connected with the input of electromagnetic lock to make electrified display and detecting element form under the electrified state of generating line row in the detection return circuit on the electrified display indicator lamp that lies in the electrified display And the circuit formed by the charged display and the electromagnetic lock is powered off when the electromagnetic lock is turned on.
The detection unit is a grounded sensor, the input end of the sensor is correspondingly connected with A, B, C three phases of the bus bar, and the output end of the sensor is connected with terminals of input ends c, b and a of the electrified display.
Further, the sensor adopts a CG103-12 sensor.
Further, the charged display adopts a DXN-Q indoor high-voltage charged display.
Further, the charged display is mounted on an instrument room cabinet door or a load switch frame body or a control panel convenient for observation.
The utility model has the advantages compared with the prior art:
1. according to the technical scheme, the load switch is provided with the electromagnetic lock device of the electric control mechanism, wherein the electromagnetic lock device comprises the electromagnetic lock, the electrified display and the detection unit, so that the damage of internal parts or potential safety hazards caused by misoperation of a user is avoided, the electric misoperation of the high-voltage switch equipment can be well prevented, and the load switch has the mandatory characteristic;
2. according to the technical scheme, the sensor is arranged on the load switch, so that great convenience is brought to a user for cabinet matching and installation, the service performance of a product is improved, and an operator can see the power-on and power-off states of the load switch by observing the indicator lamp on the electrified display under the cooperation of the electrified display;
3. this technical scheme simple structure, the installation is reliable, effectively protects components and parts and operating personnel's personal safety in the high-voltage board, and it is effectual to prevent the maloperation, and fail safe nature is high.
Drawings
FIG. 1 is a front view of the mounting structure of the present invention;
FIG. 2 is a right side view of the mounting structure of the present invention;
fig. 3 is a wiring schematic diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1-3 in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements" does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
The electromagnetic lock device for preventing the misoperation of the load switch comprises an electromagnetic lock 1 for preventing the load switch 3 from being operated with load, a charged display 2 and a detection unit for detecting whether electricity exists on a busbar of the load switch 3, wherein the charged display 2 is connected with a power supply, and a power interface of the electromagnetic lock 1 is connected with an auxiliary normally closed contact of the load switch 3, wherein the power supply of the electromagnetic lock 1 is connected with the auxiliary normally closed contact of the load switch 1, the electromagnetic lock 1 can be electrified only under the opening state of the load switch 3 to meet the unlocking requirement, the electromagnetic lock 1 is installed on a plate surface on one side of a grounding operation mechanism of the load switch 3, a movable iron core of the electromagnetic lock 1 is positioned on a grounding cutter shaft in the grounding operation mechanism under the power-off state, the detection unit is fixed on a mounting plate on a frame body of the load switch 3, and the input end of the detection unit is connected with the busbar connected with the load switch 3, the output end of the detection unit is connected with the input end of the charged display 2, the output end of the charged display 2 is connected with the input end of the electromagnetic lock 1, and an indicator lamp positioned on the charged display 2 in a detection loop formed by the charged display 2 and the detection unit is lightened under the charged state of the bus bar, while the loop formed by the charged display 2 and the electromagnetic lock 1 is powered off; in the structure, the electric control mechanism electromagnetic lock device comprising the electromagnetic lock 1, the electrified display 2 and the detection unit is arranged on the load switch 3, so that the damage of internal parts or potential safety hazards caused by misoperation of a user is avoided, the electric misoperation of the high-voltage switch equipment can be well prevented, and the forced characteristic is realized;
the detection unit specifically comprises the following components: the detection unit is a grounded sensor 4, the input end of the sensor 4 is correspondingly connected with A, B, C three phases of the bus bar, and the output end of the sensor 4 is connected with the terminals of the input ends c, b and a of the charged display 2; specifically, the sensor 4 adopts a CG103-12 sensor; specifically, the electrified display 2 adopts a DXN-Q indoor high-voltage electrified display.
In order to conveniently observe the state of the indicator lamp on the charged display 2, the charged display 2 can be installed on a cabinet door of an instrument room or a frame body or a control panel of the load switch 3.
This technical scheme installs sensor 4 on load switch 3, and very big convenience of customers joins in marriage the cabinet installation, makes product performance obtain promoting to under electrified display 2's cooperation, make operating personnel through observing the pilot lamp on electrified display 2, to load switch's break-make electricity state surveyability.
The electromagnetic lock 1 is simple to use and convenient to operate, and the grounding cutter shaft is unlocked through the action of a movable iron core of the electromagnetic lock 1 on the device; under normal conditions, the toggle switch of the electromagnetic lock 1 needs to be manually toggled to a working position, and the operating handle cannot be inserted into the operating hole of the grounding shaft due to the limit of the movable iron core, so that the interlocking reliability of the load switch 3 is ensured; after the device circular telegram, the electro-magnet coil of electromagnetic lock 1 receives the electrical activity, and movable iron core breaks away from the set bar dog, and electrified display 2 unblanks the pilot lamp and lights, shows to allow to unblank, can carry out ground connection arbor operation after the device unblock.
This technical scheme simple structure, the installation is reliable, effectively protects components and parts and operating personnel's personal safety in the high-voltage board, and it is effectual to prevent the maloperation, and fail safe nature is high.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.
Claims (5)
1. Load switch prevents electromagnetic lock device of maloperation, its characterized in that: the electromagnetic lock comprises an electromagnetic lock (1) for preventing a load switch (3) from being operated under a load, a charged display (2) and a detection unit for detecting whether electricity exists in a bus bar of the load switch (3), wherein the charged display (2) is connected with a power supply, a power interface of the electromagnetic lock (1) is connected with an auxiliary normally closed contact of the load switch (3), the electromagnetic lock (1) is installed on a plate surface on one side of a grounding operation mechanism of the load switch (3), a movable iron core of the electromagnetic lock (1) is positioned on a grounding cutter shaft in the grounding operation mechanism under a power-off state, the detection unit is fixed on a mounting plate on a frame body of the load switch (3), the input end of the detection unit is connected with the bus bar connected with the load switch (3), the output end of the detection unit is connected with the input end of the charged display (2), the output end of the charged display (2) is connected with the input end of the electromagnetic lock (1), and in the charged state of the bus bar, an indicator lamp positioned on the charged display (2) in a detection loop formed by the charged display (2) and the detection unit is lightened, and the loop formed by the charged display (2) and the electromagnetic lock (1) is powered off.
2. The load switch misoperation prevention electromagnetic lock device according to claim 1, wherein: the detection unit is a grounded sensor (4), the input end of the sensor (4) is correspondingly connected with A, B, C three phases of the bus bar, and the output end of the sensor (4) is connected with terminals of input ends c, b and a of the electrified display (2).
3. The load switch misoperation prevention electromagnetic lock device according to claim 2, wherein: the sensor (4) adopts a CG103-12 sensor.
4. The load switch misoperation prevention electromagnetic lock device according to claim 1, 2 or 3, wherein: the electrified display (2) adopts a DXN-Q indoor high-voltage electrified display.
5. The load switch misoperation prevention electromagnetic lock device according to claim 4, wherein: the electrified display (2) is arranged on a cabinet door of an instrument room or a frame body or a control panel of the load switch (3) which is convenient for observation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221417563.7U CN217468237U (en) | 2022-06-08 | 2022-06-08 | Electromagnetic lock device for preventing misoperation of load switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221417563.7U CN217468237U (en) | 2022-06-08 | 2022-06-08 | Electromagnetic lock device for preventing misoperation of load switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217468237U true CN217468237U (en) | 2022-09-20 |
Family
ID=83235402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221417563.7U Active CN217468237U (en) | 2022-06-08 | 2022-06-08 | Electromagnetic lock device for preventing misoperation of load switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217468237U (en) |
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2022
- 2022-06-08 CN CN202221417563.7U patent/CN217468237U/en active Active
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