CN220710155U - Electric interlocking device of sectional cabinet - Google Patents
Electric interlocking device of sectional cabinet Download PDFInfo
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- CN220710155U CN220710155U CN202322359729.5U CN202322359729U CN220710155U CN 220710155 U CN220710155 U CN 220710155U CN 202322359729 U CN202322359729 U CN 202322359729U CN 220710155 U CN220710155 U CN 220710155U
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- 238000000034 method Methods 0.000 description 2
- 239000013641 positive control Substances 0.000 description 2
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- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model discloses an electric interlocking device of a sectional cabinet, which comprises a first electrified display, a first electromagnetic lock group, a first sleeve, a second electrified display, a second electromagnetic lock group, a second sleeve and a working power supply, wherein sensors of the first electrified display and the second electrified display are respectively connected with the first sleeve and the second sleeve, the first sleeve and the second sleeve respectively detect whether the first sectional cabinet and the second sectional cabinet are electrified, a positive binding post and a negative binding post of the first electrified display are connected with the positive pole and the negative pole of the working power supply, a normally open point K2 of the first electrified display is connected with the positive pole of the working power supply, a normally open point K1 of the first electrified display is connected with a normally open point K2 of the second electrified display, a normally open point K1 of the second electrified display is connected with the first electromagnetic lock group, and the other ends of the first electromagnetic lock group and the second electromagnetic lock group are respectively connected with the negative pole of the working power supply, and the technical problem that a cable chamber door of the sectional cabinet 1 and the sectional cabinet 2 cannot be electrified at the same time is solved.
Description
Technical Field
The utility model relates to the technical field of segmented ring main units, in particular to an electric interlocking device of a segmented ring main unit.
Background
With the development of national economy and the progress of technology, factory enterprises, urban residential communities, high-rise buildings, large public buildings and other electric sites have begun to use ring main units in a large range.
The ring main unit is an electric device with a group of power transmission and distribution electric equipment arranged in a metal or nonmetal insulating cabinet body or made into a plurality of sectional cabinet assembled interval ring main power supply units, and has the advantages of simple structure, safe and reliable operation, low maintenance frequency, low operation cost and the like.
Under the condition that live displays of the sectional cabinet 1 and the sectional cabinet 2 in the existing ring main unit are simulated to be electrified, electromagnetic locks for controlling locking of cable doors in the sectional cabinet 1 and the sectional cabinet 2 cannot be powered off at the locking position at the same time, so that the electric locking of the cable doors of the sectional cabinet 1 and the sectional cabinet 2 is unreliable, accidents of live operation or misoperation of workers are easy to occur, and life safety of the workers is endangered.
Disclosure of Invention
The utility model aims to provide an electric interlocking device of a sectional cabinet, which is used for solving the technical problems that in the prior art, because an electromagnetic lock for controlling locking of a cable chamber door in the sectional cabinet 1 and the sectional cabinet 2 is not simultaneously in a locking position due to power failure, the electric locking of the cable chamber doors of the sectional cabinet 1 and the sectional cabinet 2 is unreliable, accidents of live operation or misoperation of workers are easy to occur, and the life safety of the workers is endangered.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
an electric interlocking device of a sectional cabinet comprises a first electrified display, a first electromagnetic lock group, a first sleeve, a second electrified display, a second electromagnetic lock group, a second sleeve and a working power supply;
the first electrified display, the first electromagnetic lock group and the first sleeve are arranged in a first sectional cabinet;
the second electrified display, the second electromagnetic lock group and the second sleeve are arranged in a second sectional cabinet;
the sensor of the first electrified display is connected with one end of the first sleeve, the other end of the first sleeve is connected with a bus positioned in the first sectional cabinet, a positive wiring terminal and a normally open point K2 of the first electrified display are both connected with the positive electrode of the working power supply, a negative wiring terminal of the first electrified display is connected with the negative electrode of the working power supply, and a normally open point K1 of the first electrified display is connected with a normally open point K2 of the second electrified display;
the sensor of the second electrified display is connected with one end of the second sleeve, the other end of the second sleeve is connected with a bus positioned in the second sectional cabinet, the positive wiring column of the second electrified display is connected with the positive electrode of the working power supply, the negative wiring column of the second electrified display is connected with the negative electrode of the working power supply, and the normally open point K1 of the second electrified display is respectively connected with the first electromagnetic lock group and the second electromagnetic lock group;
the other ends of the first electromagnetic lock group and the second electromagnetic lock group are connected with the negative electrode of the working power supply.
In the electrical interlocking device of the sectional cabinet, the first electromagnetic lock group comprises a first mechanism electromagnetic lock and a first cable chamber door electromagnetic lock, and the second electromagnetic lock group comprises a second mechanism electromagnetic lock and a second cable chamber door electromagnetic lock;
the first mechanism electromagnetic lock is connected with the first cable chamber door electromagnetic lock in parallel, namely, one end of each of the first mechanism electromagnetic lock and the first cable chamber door electromagnetic lock is connected with a normally open point K1 of the second electrified display, the other end of each of the first mechanism electromagnetic lock and the first cable chamber door electromagnetic lock is connected with a negative electrode of the working power supply, the first mechanism electromagnetic lock is used for locking a grounding operation hole of the first sectional cabinet so as to prevent electrified misoperation, and the first cable chamber door electromagnetic lock is used for locking a cable chamber door of the first sectional cabinet so as to prevent electrified misoperation;
the second mechanism electromagnetic lock is connected with the second cable chamber door electromagnetic lock in parallel, namely, one end of each of the second mechanism electromagnetic lock and the second cable chamber door electromagnetic lock is connected with a normally open point K1 of the second electrified display, the other end of each of the second mechanism electromagnetic lock and the second cable chamber door electromagnetic lock is connected with a negative electrode of the working power supply, the second mechanism electromagnetic lock is used for locking a grounding operation hole of the second sectional cabinet so as to prevent electrified misoperation, and the second cable chamber door electromagnetic lock is used for locking a cable chamber door of the second sectional cabinet so as to prevent electrified misoperation.
In the electrical interlocking device of the sectional cabinet, an interlocking control circuit is further arranged between the positive electrode of the working power supply and the normally open point K2 of the first charged display, and the interlocking control circuit comprises a first load position micro switch and a second load position micro switch;
the first load position micro switch is arranged on the first sectional cabinet, and the second load position micro switch is arranged on the second sectional cabinet;
the first normally closed point of the first load position micro switch is connected with the positive electrode of the working power supply, the second normally closed point of the first load position micro switch is connected with the first normally closed point of the second load position micro switch, and the second normally closed point of the second load position micro switch is connected with the normally open point K2 of the first electrified display.
In the electrical interlocking device of the sectional cabinet, the interlocking control circuit further comprises a travel switch group, wherein the travel switch group comprises a first travel switch, a second travel switch, a third travel switch and a fourth travel switch;
the first travel switch and the third travel switch are arranged beside the cable chamber door of the first sectional cabinet and used for controlling the cable chamber door of the first sectional cabinet, and the second travel switch and the fourth travel switch are arranged beside the cable chamber door of the second sectional cabinet and used for controlling the cable chamber door of the second sectional cabinet to be locked;
the first travel switch and the second travel switch are connected in series to form a first series structure, one end of the first series structure is connected with a second normally closed point of the first load position micro switch, and the other end of the first series structure is connected with the negative electrode of the working power supply;
the third travel switch and the fourth travel switch are connected in series to form a second series structure, one end of the second series structure is connected with a second normally closed point of the second load position micro switch, and the other end of the second series structure is connected with the negative electrode of the working power supply.
The electrical interlocking device of the sectional cabinet further comprises a first miniature circuit breaker, a second miniature circuit breaker, a third miniature circuit breaker and a fourth miniature circuit breaker;
one end of the first miniature circuit breaker is connected with the positive electrode of the working power supply, and the other end of the first miniature circuit breaker is respectively connected with the positive wiring column of the first electrified display and the normally open point K2 of the first electrified display;
one end of the second miniature circuit breaker is connected with the negative electrode of the working power supply, and the other end of the second miniature circuit breaker is respectively connected with the negative binding post of the first electrified display and the other end of the first electromagnetic lock group;
one end of the third miniature circuit breaker is connected with the positive electrode of the working power supply, and the other end of the third miniature circuit breaker is connected with the positive wiring column of the second electrified display;
one end of the fourth miniature circuit breaker is connected with the negative electrode of the working power supply, and the other end of the fourth miniature circuit breaker is respectively connected with the negative binding post of the second electrified display and the other end of the second electromagnetic lock group.
In the electrical interlocking device of the sectional cabinet, the working power supply is DC110V.
Compared with the prior art, the utility model has the following beneficial effects:
according to the technical scheme, whether the bus in the first sectional cabinet is electrified or not through utilizing the first electrified display to detect the bus in the second sectional cabinet, whether the bus in the second sectional cabinet is electrified or not is detected by the second electrified display, meanwhile, when the bus in the first sectional cabinet is electrified or the bus in the second sectional cabinet is electrified or the bus in the first sectional cabinet is electrified, the normally open point K1 of the first electrified display in the first sectional cabinet is connected with the normally open point K2 of the second electrified display in the second sectional cabinet, one end of the first electromagnetic lock group and one end of the second electromagnetic lock group are connected with the normally open point K1 of the second electrified display, the other end of the first electromagnetic lock group and the other end of the second electromagnetic lock group are connected with the negative electrode of the working power supply, and when the bus in the first sectional cabinet is electrified or the second electrified display is detected by the first electrified display, the bus in the first sectional cabinet is electrified or the bus in the second sectional cabinet is not electrified, the first sectional cabinet is not in the same position as the first sectional cabinet, the second sectional cabinet is not in the same place as the first sectional cabinet, and the second sectional cabinet is not in the same place as the first electromagnetic lock group, and the second electromagnetic lock group is not in the current position with the second sectional cabinet, and the first electromagnetic door is not in the current door is in the open state, and the second electromagnetic lock is not in the emergency door.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly introduced below, the drawings are not intended to be drawn to scale, and in the interest of clarity, not every component is labeled in every drawing. The drawings in the following description are only examples of embodiments of the present application and other drawings may be made from these drawings by those skilled in the art without undue burden. Wherein:
fig. 1 is a circuit diagram of embodiment 1 of the present utility model.
Fig. 2 is a circuit diagram of embodiment 2 of the present utility model.
Fig. 3 is a panel diagram of a first sectional cabinet and a second sectional cabinet in embodiment 1 of the present utility model.
Fig. 4 is a panel diagram of a first sectional cabinet and a second sectional cabinet in embodiment 2 of the present utility model.
Reference numerals illustrate:
1-first charged display 2-first sleeve 3-second charged display
4-second sleeve 5-first sectional cabinet 6-second sectional cabinet
7-first mechanism electromagnetic lock 8-first cable room door electromagnetic lock 9-second mechanism electromagnetic lock
10-second cable room door electromagnetic lock 11-first load position micro switch 12-second load position micro switch
13-first travel switch 14-second travel switch 15-third travel switch
16-fourth travel switch 17-first miniature circuit breaker 18-second miniature circuit breaker
19-third miniature circuit breaker 20-fourth miniature circuit breaker
Detailed Description
According to the electric interlocking device of the sectional cabinet, the technical problems that in the prior art, because an electromagnetic lock for controlling locking of a cable chamber door in the sectional cabinet 1 and the sectional cabinet 2 cannot be simultaneously powered off in a locking position, the electric locking of the cable chamber door of the sectional cabinet 1 and the cable chamber door of the sectional cabinet 2 is unreliable, the accidents of live operation or misoperation of workers occur easily, and the life safety of the workers is endangered are solved.
The conception of this embodiment is that the circuit is designed through simple electrical principle to utilize and rely on various electric elements, realize that two sets of electromagnetic locks of two segmentation cabinets can lose electricity simultaneously and lock, specifically be through the normally open point K1 that is located the first electrified display in the first segmentation cabinet and the normally open point K2 that is located the second electrified display in the second segmentation cabinet pass through the wire connection, the first electromagnetic lock group that is located the first segmentation cabinet and the second electromagnetic lock group that is located the second segmentation cabinet all pass through the wire connection with the normally open point K1 of second electrified display, make first electromagnetic lock group and second electromagnetic lock group can lose electricity simultaneously and lock or get the electricity and open, because of the electromagnetic lock that is arranged in control cable chamber door locking in segmentation cabinet 1 and the segmentation cabinet 2 loses electricity simultaneously in the position, lead to the electrical locking of segmentation cabinet 1 and the cable chamber door of segmentation cabinet 2 unreliable, the accident of staff live operation or mistake easily appears, simultaneously, the safety and safety of staff is compromised, the safety and safety problem of staff is further guaranteed in the interlock circuit that adds between the positive control point K2 of first electrified display and the segmentation cabinet and the positive control chamber of the electrical cabinet 2.
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," etc. indicate or are based on the orientation or positional relationship shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
In this application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by way of additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The following disclosure provides many different embodiments or examples for implementing different structures of the present application. In order to simplify the disclosure of the present application, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present application. Furthermore, the present application may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not in themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present application provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize the application of other processes and/or the use of other materials.
Example 1
The embodiment 1 of the application provides an electric interlocking device of a sectional cabinet, as shown in fig. 1 and 3, including a first electrified display 1, a first electromagnetic lock group, a first sleeve 2, a second electrified display 3, a second electromagnetic lock group, a second sleeve 4 and a working power supply.
Wherein, the first sleeve 2 and the second sleeve 4 are 202 sleeves.
Wherein, the working power supply is DC110V.
The first electrified display 1, the first electromagnetic lock group and the first sleeve 2 are arranged in the first sectional cabinet 5, and the second electrified display 3, the second electromagnetic lock group and the second sleeve 4 are arranged in the second sectional cabinet 6.
The sensor of the first electrified display 1 is connected with one end of a first sleeve 2, the other end of the first sleeve 2 is connected with a bus inside a first sectional cabinet 5, a positive wiring column and a normally open point K2 of the first electrified display 1 are both connected with the positive electrode of a working power supply, a negative wiring column of the first electrified display 1 is connected with the negative electrode of the working power supply, and the normally open point K1 of the first electrified display 1 is connected with the normally open point K2 of a second electrified display 3.
The sensor of the first electrified display 1 is used for detecting whether a bus inside the first sectional cabinet 5 is electrified, and when the bus inside the first sectional cabinet 5 is electrified, an open circuit is formed between a normally open point K2 and a normally open point K1 of the first electrified display 1.
The positive terminal of the first charged display 1 and the normally open point K2 may be connected to the positive electrode of the working power supply through the first miniature circuit breaker 17, and the negative terminal of the first charged display 1 may be connected to the negative electrode of the working power supply through the second miniature circuit breaker 18.
The sensor of the second electrified display 3 is connected with one end of a second sleeve 4, the other end of the second sleeve 4 is connected with a bus inside a second sectional cabinet 6, a positive wiring column of the second electrified display 3 is connected with a positive electrode of a working power supply, a negative wiring column of the second electrified display 3 is connected with a negative electrode of the working power supply, a normally open point K1 of the second electrified display 3 is connected with a first electromagnetic lock group and a second electromagnetic lock group respectively, and the other end of the first electromagnetic lock group and the other end of the second electromagnetic lock group are connected with the negative electrode of the working power supply.
The sensor of the second electrified display 3 is used for detecting whether the bus inside the second sectional cabinet 6 is electrified, and when the bus inside the second sectional cabinet 6 is electrified, a circuit break is arranged between a normally open point K2 and a normally open point K1 of the second electrified display 3.
The first electromagnetic lock group comprises a first mechanism electromagnetic lock 7 and a first cable chamber door electromagnetic lock 8, specifically, the first mechanism electromagnetic lock 7 and the first cable chamber door electromagnetic lock 8 are connected in parallel, namely, one ends of the first mechanism electromagnetic lock 7 and the first cable chamber door electromagnetic lock 8 are connected with a normally open point K1 of the second electrified display 3, the other ends of the first mechanism electromagnetic lock 7 and the first cable chamber door electromagnetic lock 8 are connected with a negative electrode of a working power supply, the first mechanism electromagnetic lock 7 is used for locking a grounding operation hole of the first sectional cabinet 5 so as to prevent electrified misoperation, and the first cable chamber door electromagnetic lock 8 is used for locking a cable chamber door of the first sectional cabinet 5 so as to prevent electrified misoperation.
The second electromagnetic lock group comprises a second mechanism electromagnetic lock 9 and a second cable chamber door electromagnetic lock 10, the second mechanism electromagnetic lock 9 is connected with the second cable chamber door electromagnetic lock 10 in parallel, namely, one ends of the second mechanism electromagnetic lock 9 and the second cable chamber door electromagnetic lock 10 are connected with a normally open point K1 of the second electrified display 3, the other ends of the second mechanism electromagnetic lock 9 and the second cable chamber door electromagnetic lock 10 are connected with a negative electrode of a working power supply, the second mechanism electromagnetic lock 9 is used for locking a grounding operation hole of the second section cabinet 6 so as to prevent electrified misoperation, and the second cable chamber door electromagnetic lock 10 is used for locking the cable chamber door of the second section cabinet 6 so as to prevent electrified misoperation.
The positive terminal of the second live display 3 may be connected to the positive electrode of the working power supply through the third miniature circuit breaker 19, and the negative terminal of the second live display 3 may be connected to the negative electrode of the working power supply through the fourth miniature circuit breaker 20.
The other ends of the first mechanism electromagnetic lock 7 and the first cable room door electromagnetic lock 8 can be connected with the negative electrode of the working power supply through the second miniature circuit breaker 18, and the other ends of the second mechanism electromagnetic lock 9 and the second cable room door electromagnetic lock 10 can be connected with the negative electrode of the working power supply through the fourth miniature circuit breaker 20.
When the sensor of the first electrified display 1 detects that the bus in the first sectional cabinet 5 is electrified or the sensor of the second electrified display 3 detects that the bus in the second sectional cabinet 6 is electrified or the bus in the first sectional cabinet 5 and the bus in the second sectional cabinet 6 are electrified, the first mechanism electromagnetic lock 7, the first cable chamber door electromagnetic lock 8, the second mechanism electromagnetic lock 9 and the second cable chamber door electromagnetic lock 10 are in the locking position when the power is lost simultaneously, and at this time, the cable chamber doors of the first sectional cabinet 5 and the second sectional cabinet 6 cannot be opened.
Example 2
As shown in fig. 2 and 4, embodiment 2 of the present application is different from embodiment 1 in that an interlock control circuit is further included between the positive pole of the working power supply and the normally open point K2 of the first charged display 1, that is, the normally open point K2 of the first charged display 1 is connected with the positive pole of the working power supply through the interlock control circuit, and the interlock control circuit includes a first load position micro switch 11, a second load position micro switch 12, and a travel switch group, and the travel switch group includes a first travel switch 13, a second travel switch 14, a third travel switch 15, and a fourth travel switch 16.
The first load position micro switch 11 is arranged on the first sectional cabinet 5, the second load position micro switch 12 is arranged on the second sectional cabinet 6, a first normally closed point of the first load position micro switch 11 is connected with the positive electrode of the working power supply, a second normally closed point of the first load position micro switch 11 is connected with a first normally closed point of the second load position micro switch 12, and a second normally closed point of the second load position micro switch 12 is connected with a normally open point K2 of the first electrified display 1.
When the first load position micro switch 11 is in a closing state, the first load position micro switch 11 is disconnected, and at this time, the first mechanism electromagnetic lock 7, the first cable chamber door electromagnetic lock 8, the second mechanism electromagnetic lock 9 and the second cable chamber door electromagnetic lock 10 are simultaneously powered down and are in a locking position, and the cable chamber doors of the first sectional cabinet 5 and the second sectional cabinet 6 cannot be opened.
When the second load position micro switch 12 is in a closing state, the second load position micro switch 12 is disconnected, and at this time, the first mechanism electromagnetic lock 7, the first cable chamber door electromagnetic lock 8, the second mechanism electromagnetic lock 9 and the second cable chamber door electromagnetic lock 10 are simultaneously powered down and are in a locking position, and the cable chamber doors of the first sectional cabinet 5 and the second sectional cabinet 6 cannot be opened.
The first travel switch 13 and the third travel switch 15 are arranged beside a cable chamber door of the first sectional cabinet 5 and used for controlling the locking of the cable chamber door of the first sectional cabinet 5, the second travel switch 14 and the fourth travel switch 16 are arranged beside a cable chamber door of the second sectional cabinet 6 and used for controlling the locking of the cable chamber door of the second sectional cabinet 6, the first travel switch 13 and the second travel switch 14 are connected in series to form a first series structure, one end of the first series structure is connected with a second normally closed point of the first load position micro switch 11, the other end of the first series structure is connected with a negative electrode of a working power supply, the third travel switch 15 and the fourth travel switch 16 are connected in series to form a second series structure, one end of the second series structure is connected with a second normally closed point of the second load position micro switch 12, and the other end of the second series structure is connected with the negative electrode of the working power supply.
When the first load position micro switch 11 and the second load position micro switch 12 are all opened and the first charged display 1 and the second charged display 3 do not detect current, at this time, the first load position micro switch 11, the second load position micro switch 12, the normally open point K1 and the normally open point K2 of the first charged display 1 and the normally open point K2 of the second charged display 3 are all conducted, the first electromagnetic lock group, the second electromagnetic lock group, the first travel switch 13, the second travel switch 14, the third travel switch 15 and the fourth travel switch 16 are opened simultaneously, and then the cable doors of the first sectional cabinet 5 and the second sectional cabinet 6 are opened, when one of the first load position micro switch 11 or the second load position micro switch 12 is closed, the first lock group and the second lock group are all simultaneously deenergized at the locking position, the first sectional cabinet 5 and the second sectional cabinet 6 are both unable to open, and at least one cable door locking chamber exists on the first sectional cabinet 5 and the second sectional cabinet 6, and the electromagnetic door is prevented from being opened by misoperation.
In summary, in the electrical interlocking device for the sectional cabinet provided by the embodiment of the application, whether the bus in the first sectional cabinet 5 is electrified is detected by using the first electrified display 1, whether the bus in the second sectional cabinet 6 is electrified is detected by the second electrified display 3, meanwhile, the normally open point K2 of the first electrified display 1 positioned in the first sectional cabinet 5 is connected with the positive pole of the working power supply, the normally open point K1 of the first electrified display 1 positioned in the first sectional cabinet 5 is connected with the normally open point K2 of the second electrified display 3 positioned in the second sectional cabinet 6, one end of the first electromagnetic lock group and one end of the second electromagnetic lock group are connected with the normally open point K1 of the second electrified display 3, the other end of the first electromagnetic lock group and the other end of the second electromagnetic lock group are connected with the negative pole of the working power supply, when the first electrified display 1 detects that the bus in the first sectional cabinet 5 is electrified or the second electrified display 3 detects that the bus in the second sectional cabinet 6 is electrified or both the bus of the first sectional cabinet 5 and the bus of the second sectional cabinet 6 are electrified, the first electromagnetic lock group in the first sectional cabinet 5 and the second electromagnetic lock group in the second sectional cabinet 6 can be powered down at the same time to be in a locking position, so that the cable doors of the first sectional cabinet 5 and the second sectional cabinet 6 can not be opened, the technical problems that in the prior art, because the electromagnetic locks in the sectional cabinets 1 and the sectional cabinets 2 for controlling the locking of the cable doors are not powered down at the locking position at the same time, the electric locking of the cable doors of the sectional cabinets 1 and the sectional cabinets 2 is unreliable, accidents of live operation or misoperation of workers easily occur, and the life safety of workers is endangered are solved, meanwhile, an interlocking control circuit is added between a normally-open point K2 of the first electrified display 1 and a positive electrode of a first working power supply, further improves the reliability of the electric locking of the cable chamber doors of the sectional cabinet 1 and the sectional cabinet 2, and ensures the life safety of staff.
While the utility model has been described with reference to preferred embodiments, it is not intended to be limiting. Those skilled in the art will appreciate that various modifications and adaptations can be made without departing from the spirit and scope of the present utility model. Accordingly, the scope of the utility model is defined by the appended claims.
Claims (6)
1. The electric interlocking device of the sectional cabinet is characterized by comprising a first electrified display, a first electromagnetic lock group, a first sleeve, a second electrified display, a second electromagnetic lock group, a second sleeve and a working power supply;
the first electrified display, the first electromagnetic lock group and the first sleeve are arranged in a first sectional cabinet;
the second electrified display, the second electromagnetic lock group and the second sleeve are arranged in a second sectional cabinet;
the sensor of the first electrified display is connected with one end of the first sleeve, the other end of the first sleeve is connected with a bus positioned in the first sectional cabinet, a positive wiring terminal and a normally open point K2 of the first electrified display are both connected with the positive electrode of the working power supply, a negative wiring terminal of the first electrified display is connected with the negative electrode of the working power supply, and a normally open point K1 of the first electrified display is connected with a normally open point K2 of the second electrified display;
the sensor of the second electrified display is connected with one end of the second sleeve, the other end of the second sleeve is connected with a bus positioned in the second sectional cabinet, the positive wiring column of the second electrified display is connected with the positive electrode of the working power supply, the negative wiring column of the second electrified display is connected with the negative electrode of the working power supply, and the normally open point K1 of the second electrified display is respectively connected with the first electromagnetic lock group and the second electromagnetic lock group;
the other ends of the first electromagnetic lock group and the second electromagnetic lock group are connected with the negative electrode of the working power supply.
2. The electrical interlock of claim 1 wherein said first set of electromagnetic locks comprises a first mechanical electromagnetic lock and a first cable chamber door electromagnetic lock and said second set of electromagnetic locks comprises a second mechanical electromagnetic lock and a second cable chamber door electromagnetic lock;
the first mechanism electromagnetic lock is connected with the first cable chamber door electromagnetic lock in parallel, namely, one end of each of the first mechanism electromagnetic lock and the first cable chamber door electromagnetic lock is connected with a normally open point K1 of the second electrified display, the other end of each of the first mechanism electromagnetic lock and the first cable chamber door electromagnetic lock is connected with a negative electrode of the working power supply, the first mechanism electromagnetic lock is used for locking a grounding operation hole of the first sectional cabinet so as to prevent electrified misoperation, and the first cable chamber door electromagnetic lock is used for locking a cable chamber door of the first sectional cabinet so as to prevent electrified misoperation;
the second mechanism electromagnetic lock is connected with the second cable chamber door electromagnetic lock in parallel, namely, one end of each of the second mechanism electromagnetic lock and the second cable chamber door electromagnetic lock is connected with a normally open point K1 of the second electrified display, the other end of each of the second mechanism electromagnetic lock and the second cable chamber door electromagnetic lock is connected with a negative electrode of the working power supply, the second mechanism electromagnetic lock is used for locking a grounding operation hole of the second sectional cabinet so as to prevent electrified misoperation, and the second cable chamber door electromagnetic lock is used for locking a cable chamber door of the second sectional cabinet so as to prevent electrified misoperation.
3. The electrical interlock of a sectional cabinet of claim 1 further comprising an interlock control circuit between the positive pole of the operating power source and the normally open point K2 of the first powered display, the interlock control circuit comprising a first load position microswitch and a second load position microswitch;
the first load position micro switch is arranged on the first sectional cabinet, and the second load position micro switch is arranged on the second sectional cabinet;
the first normally closed point of the first load position micro switch is connected with the positive electrode of the working power supply, the second normally closed point of the first load position micro switch is connected with the first normally closed point of the second load position micro switch, and the second normally closed point of the second load position micro switch is connected with the normally open point K2 of the first electrified display.
4. The electrical interlock of claim 3 wherein said interlock control circuit further comprises a travel switch group comprising a first travel switch, a second travel switch, a third travel switch, and a fourth travel switch;
the first travel switch and the third travel switch are arranged beside the cable chamber door of the first sectional cabinet and used for controlling the cable chamber door of the first sectional cabinet, and the second travel switch and the fourth travel switch are arranged beside the cable chamber door of the second sectional cabinet and used for controlling the cable chamber door of the second sectional cabinet to be locked;
the first travel switch and the second travel switch are connected in series to form a first series structure, one end of the first series structure is connected with a second normally closed point of the first load position micro switch, and the other end of the first series structure is connected with the negative electrode of the working power supply;
the third travel switch and the fourth travel switch are connected in series to form a second series structure, one end of the second series structure is connected with a second normally closed point of the second load position micro switch, and the other end of the second series structure is connected with the negative electrode of the working power supply.
5. The electrical interlock of claim 1 further comprising a first miniature circuit breaker, a second miniature circuit breaker, a third miniature circuit breaker, and a fourth miniature circuit breaker;
one end of the first miniature circuit breaker is connected with the positive electrode of the working power supply, and the other end of the first miniature circuit breaker is respectively connected with the positive wiring column of the first electrified display and the normally open point K2 of the first electrified display;
one end of the second miniature circuit breaker is connected with the negative electrode of the working power supply, and the other end of the second miniature circuit breaker is respectively connected with the negative binding post of the first electrified display and the other end of the first electromagnetic lock group;
one end of the third miniature circuit breaker is connected with the positive electrode of the working power supply, and the other end of the third miniature circuit breaker is connected with the positive wiring column of the second electrified display;
one end of the fourth miniature circuit breaker is connected with the negative electrode of the working power supply, and the other end of the fourth miniature circuit breaker is respectively connected with the negative binding post of the second electrified display and the other end of the second electromagnetic lock group.
6. An electrical interlock for a sectional cabinet as defined in claim 1 wherein said operating power source is DC110V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322359729.5U CN220710155U (en) | 2023-08-31 | 2023-08-31 | Electric interlocking device of sectional cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322359729.5U CN220710155U (en) | 2023-08-31 | 2023-08-31 | Electric interlocking device of sectional cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220710155U true CN220710155U (en) | 2024-04-02 |
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ID=90450031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322359729.5U Active CN220710155U (en) | 2023-08-31 | 2023-08-31 | Electric interlocking device of sectional cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220710155U (en) |
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2023
- 2023-08-31 CN CN202322359729.5U patent/CN220710155U/en active Active
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