CN220544519U - Electrical cabinet interlocking mechanism capable of preventing mistaken entering of electrified interval and electrical cabinet - Google Patents
Electrical cabinet interlocking mechanism capable of preventing mistaken entering of electrified interval and electrical cabinet Download PDFInfo
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- CN220544519U CN220544519U CN202322208080.7U CN202322208080U CN220544519U CN 220544519 U CN220544519 U CN 220544519U CN 202322208080 U CN202322208080 U CN 202322208080U CN 220544519 U CN220544519 U CN 220544519U
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- lock catch
- connecting rod
- cabinet
- electrical cabinet
- rear cover
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- 230000007246 mechanism Effects 0.000 title claims abstract description 28
- 238000012423 maintenance Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an electrical cabinet interlocking mechanism capable of preventing mistaken entering of an electrified interval and an electrical cabinet, comprising the following components: the PT wire inlet cabinet comprises a first lock catch, a second lock catch, a connecting rod and an elastic piece, wherein the first lock catch is connected with a rear cover of the PT wire inlet cabinet; the second lock catch is rotationally connected to the cabinet body and is matched with the first lock catch; the connecting rod is connected with the second lock catch and is movably connected to the cabinet body, and the connecting rod is positioned on the opening and closing path of the cable room door; the elastic piece is connected between the connecting rod and the cabinet body; when the cable chamber door is closed, the cable chamber door pushes against the connecting rod, the elastic piece deforms, and the second lock catch is locked with the first lock catch so as to fix the rear cover; when the cable room door is opened, the connecting rod is driven to reset by the elastic piece, and the second lock catch is unlocked with the first lock catch so as to cancel the fixation of the rear cover. The electrical cabinet interlocking mechanism and the electrical cabinet capable of preventing the person from entering the electrified interval by mistake can ensure that the PT incoming cabinet is in a voltage-free and electrified state when the rear cover is opened, avoid the risk of the person entering the electrified interval by mistake, and improve the safety performance of the electrical cabinet.
Description
Technical Field
The utility model relates to an electrical cabinet interlocking mechanism, in particular to an electrical cabinet interlocking mechanism capable of preventing mistaken entering of an electrified interval and an electrical cabinet.
Background
The problem that personnel mistakenly enter the electrified interval exists in the ring main unit with the PT incoming line cabinet is solved, because in the ring main unit, the PT incoming line cabinet is used for measuring voltage, detecting faults and other protection and control functions, the electrified interval refers to the distance between a part with voltage and a part without voltage, in the ring main unit, the PT incoming line cabinet and other power equipment and switching equipment commonly form a complex electrical system, and because personnel can open the rear cover of the PT incoming line cabinet and contact the equipment to carry out maintenance, overhaul, operation and other works, if the personnel carelessly enter the electrified interval, the danger of electric shock can be faced, and electric shock accidents can be possibly caused.
In order to prevent personnel from entering the live interval by mistake, the following measures are generally taken: 1. installing a protective cover: a protective cover for sealing or fixing the electrified interval area is arranged to prevent personnel from directly contacting the electrified part; 2. identification warning identification: an obvious warning mark is arranged near the electrified interval to remind people of paying attention to the high-voltage power supply and forbid unauthorized access; 3. training and education: safety training and education are performed on operators, so that safety consciousness of the operators is improved, and the operators are ensured to know the danger of the electrified interval and correct operation steps and notes.
The above solution is not capable of fundamentally ensuring that the PT incoming line cabinet is in a power-off state when personnel enter, and the risk that personnel enter the electrified interval by mistake still exists.
Meanwhile, the cable chamber door of the existing ring main unit commonly realizes the function of opening and cutting off power through a mechanical or electrical device, namely, the cable chamber door can be opened only when the switch is opened and operated to a maintenance position.
Disclosure of Invention
(one) solving the technical problems
The utility model provides an electrical cabinet interlocking mechanism capable of preventing mistaken entering of an electrified interval and an electrical cabinet, which solve the technical problems that: how to ensure that the PT incoming line cabinet is in a power-off state when personnel enter, and avoid the risk that personnel enter the electrified interval by mistake.
(II) technical scheme
In order to solve the technical problems, the utility model provides the following technical scheme:
an electrical cabinet interlock mechanism for preventing false entry into an electrified compartment, comprising:
the first lock catch is connected with the rear cover of the PT incoming line cabinet;
the second lock catch is rotationally connected to the cabinet body and is matched with the first lock catch;
the connecting rod is connected with the second lock catch and is movably connected to the cabinet body, and the connecting rod is positioned on the opening and closing path of the cable room door;
the elastic piece is connected between the connecting rod and the cabinet body;
when the cable chamber door is closed, the cable chamber door pushes against the connecting rod, the elastic piece deforms, and the second lock catch is locked with the first lock catch so as to fix the rear cover; when the cable room door is opened, the connecting rod is driven to reset by the elastic piece, and the second lock catch and the first lock catch are unlocked so as to cancel the fixation of the rear cover.
In some embodiments, the first latch includes two connecting arms and a cross bar, the connecting arms being connected to the rear cover at intervals, the cross bar being connected between the connecting arms and having a gap with the rear cover; the second lock catch comprises a hook part, and when the hook part is hung on the cross rod, the second lock catch is locked with the first lock catch.
In some embodiments, the cabinet further comprises at least two guide members, the guide members are connected to the cabinet body, at least two guide holes are formed in the connecting rod, the guide members penetrate through one guide hole respectively to enable the connecting rod to move and reset in the direction of the guide holes, and a head portion limiting the connecting rod to be separated from the guide members is arranged on the guide members.
In some embodiments, the device further comprises an intermediate lever having one end rotatably connected to the first latch and the other end rotatably connected to the connecting rod, so that the connecting rod is connected to the second latch.
In some embodiments, the connecting rod is horizontally disposed and forms an obtuse angle with the intermediate rod, and the intermediate rod, the first latch and the second latch are located on the same side of the connecting rod.
In some embodiments, the elastic element is a tension spring, one end of the tension spring is connected with the connecting rod, the other end of the tension spring is connected with the guide element, when the cable chamber door is closed, the cable chamber door pushes against the connecting rod, the tension spring stretches and deforms, when the cable chamber door is opened, the tension spring is retracted, and the connecting rod is driven to reset by the tension spring.
The utility model also provides an electrical cabinet, which comprises the electrical cabinet interlocking mechanism capable of preventing the electrical cabinet from being mistakenly inserted into the electrified interval.
(III) beneficial effects
Compared with the prior art, the electrical cabinet interlocking mechanism and the electrical cabinet capable of preventing mistaken entering of the electrified interval have the following beneficial effects:
when the interlocking mechanism of the electrical cabinet for preventing the false entering of the electrified interval works, the first lock catch is connected with the rear cover of the PT incoming line cabinet, the second lock catch is rotationally connected to the cabinet body, when the cable chamber door is closed, the cable chamber door pushes the connecting rod, the elastic piece deforms, the second lock catch is locked with the first lock catch, and the rear cover is fixed at the moment and cannot be opened; before the back cover is opened, the cable chamber door needs to be opened first, when the cable chamber door is opened, the connecting rod is driven to reset by the elastic piece, the second lock catch and the first lock catch are unlocked, so that the fixing of the back cover is canceled, and the back cover can be opened normally at the moment. That is, the back lid of PT inlet wire cabinet passes through this interlocking device and connects cable chamber door, only under the prerequisite that the cable chamber door opened, the back lid just can open, utilizes the cable chamber door to open the characteristic that needs the switch to break the floodgate and operate to the maintenance position, guarantees that PT inlet wire cabinet is in no voltage, uncharged state when the back lid is opened, avoids personnel to go into the risk of electrified interval by mistake, promotes the security performance of regulator cubicle.
Drawings
Fig. 1 is a perspective view of an electrical cabinet interlock mechanism that prevents false entry into an energized compartment in an embodiment.
Fig. 2 is a front view of an electrical cabinet interlock mechanism that prevents false entry of a live interval in an embodiment.
Fig. 3 is a top view of an electrical cabinet interlock mechanism that prevents false entry into an energized compartment in an embodiment.
Reference numerals: the novel door lock comprises a first lock catch 1, a second lock catch 2, a connecting rod 3, an elastic piece 4, a rear cover 5, a cabinet 6, a cable room door 7, a guide piece 8, a middle rod 9, a connecting arm 11, a cross rod 12, a hook part 20 and a guide hole 30.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
The traditional solution measure for preventing personnel from entering the electrified interval by mistake still has the risk of personnel entering the electrified interval by mistake because the PT incoming line cabinet cannot be fundamentally guaranteed to be in a power-off state when the personnel enter.
In order to solve the above-mentioned technical problems, the present embodiment provides an electrical cabinet interlocking mechanism capable of preventing from being mistakenly plugged into an electrical space, please refer to fig. 1 to 3, fig. 1 is a perspective view of the electrical cabinet interlocking mechanism capable of preventing from being mistakenly plugged into the electrical space in the embodiment, fig. 2 is a front view of the electrical cabinet interlocking mechanism capable of preventing from being mistakenly plugged into the electrical space in the embodiment, and fig. 3 is a top view of the electrical cabinet interlocking mechanism capable of preventing from being mistakenly plugged into the electrical space in the embodiment.
Above-mentioned prevent mistake entering electrified spaced looped netowrk cabinet front and back door interlocking device, include: the first lock catch 1, the second lock catch 2, the connecting rod 3 and the elastic piece 4.
The first lock catch 1 is connected with a rear cover 5 of the PT incoming cabinet.
The first lock catch 1 is used for connecting the rear cover 5, so that when the first lock catch 1 is locked, the rear cover 5 is fixed relative to the cabinet 6 and cannot be opened.
The second lock catch 2 is rotatably connected to the cabinet body 6 and is matched with the first lock catch 1.
The second lock catch 2 can be locked with the first lock catch 1, so that the first fastener 1 and the rear cover 5 are fixed on the cabinet body 6, and it can be understood that the first lock catch 1 and the second lock catch 2 are locked and unlocked through the rotation of the second lock catch 2; the second lock catch 2 can be rotationally connected with the cabinet body 6 through a rotating shaft, the cabinet body 6 can be a cabinet body of a PT incoming line cabinet or a cabinet body of an electrical cabinet, and the installation base positions of the PT incoming line cabinet and the cabinet body are fixed relative to the ground during working.
The connecting rod 3 is connected with the second lock catch 2 and is movably connected on the cabinet body 6, and the connecting rod 3 is positioned on the opening and closing path of the cable room door 7.
The connecting rod 3 is used for driving the second lock catch 2 to rotate under the pushing of the cable chamber door 7 when the cable chamber door 7 is closed, so that the first lock catch 1 and the second lock catch 2 are locked; the end of the pull rod 3 facing the cable compartment door 7 may be a free end arranged facing the cable compartment door 7, without being connected to the cable compartment door 7.
The elastic member 4 is connected between the link 3 and the cabinet 6.
The elastic member 4 is used for resetting the pull rod when the cable room door 7 is opened, so that the first lock catch 1 and the second lock catch 2 are unlocked.
When the cable chamber door 7 is closed, the cable chamber door 7 pushes the connecting rod 3, the elastic piece 4 deforms, and the second lock catch 2 is locked with the first lock catch 1, so that the rear cover 5 is fixed; when the cable room door 7 is opened, the connecting rod 3 is driven to reset by the elastic piece 4, and the second lock catch 2 is unlocked with the first lock catch 1 so as to cancel the fixation of the rear cover 5.
When the interlocking mechanism of the front door and the rear door of the ring main unit with the anti-misoperation electrified interval works, the first lock catch 1 is connected with the rear cover 5 of the PT incoming line cabinet, the second lock catch 2 is rotationally connected to the cabinet body 6, when the cable chamber door 7 is closed, the cable chamber door 7 pushes the connecting rod 3, the elastic piece 4 deforms, the second lock catch 2 is locked with the first lock catch 1, and the rear cover 5 is fixed and cannot be opened at the moment; before the back cover 5 is opened, the cable chamber door 7 needs to be opened first, when the cable chamber door 7 is opened, the connecting rod 3 is driven to reset by the elastic piece 4, the second lock catch 2 is unlocked with the first lock catch 1, so that the fixing of the back cover 5 is canceled, and the back cover 5 can be normally opened at the moment. That is, the back lid 5 of PT inlet wire cabinet passes through this interlocking device and connects cable chamber door 7, and under the prerequisite that only cable chamber door 7 opened, back lid 5 just can open, utilizes cable chamber door 7 to open the characteristic that needs the switch to break the floodgate and operate to the maintenance position, guarantees that PT inlet wire cabinet is in no voltage, uncharged state when back lid 5 is opened, avoids personnel to go into the risk of electrified interval by mistake, promotes the security performance of regulator cubicle.
Referring to fig. 1 and 2, in one embodiment of the first latch 1 and the second latch 2, the first latch 1 includes two connection arms 11 and a cross bar 12, the connection arms 11 are connected to the rear cover 5 at intervals, and the cross bar 12 is connected between the connection arms 11 and has a gap with the rear cover 5 so that the second latch 2 can be inserted; the second lock catch 2 comprises a hook part 20, when the cable room door 7 is closed, the second lock catch 2 rotates under the pushing of the connecting rod 3, so that the hook part 20 is hung on the cross rod 12, and the second lock catch 2 is locked with the first lock catch 1; when the cable room door 7 is opened, the second lock catch 2 reversely rotates under the pulling of the connecting rod 3, so that the hook part 20 is separated from the cross rod 12, and the second lock catch 2 is unlocked with the first lock catch 1.
In other embodiments of the first lock 1 and the second lock 2, the first lock 1 and the second lock 2 may be other lock components capable of being locked and unlocked by rotation of the second lock 2.
Referring to fig. 1 and 2, in an embodiment where the link 3 is movably connected to the cabinet 6, the interlocking mechanism further includes at least two guide members 8, the guide members 8 may be pins or bolts and are connected to the cabinet 6, at least two guide holes 30 are formed in the link 3, it is understood that the guide holes 30 are parallel to each other or are located in a straight line, each guide member 8 passes through one guide hole 30, so that the link 3 moves and resets in the direction of the guide hole 30, and a head portion for limiting the link 3 from being separated from the guide member 8 is provided on the guide member 8. In this embodiment, when the link 3 is pushed by the cable room door 7, it can slide along the direction of the guide hole 30, and the guide member 8 plays a role in guiding and supporting the link 3.
In other embodiments where the link 3 is movably connected to the cabinet 6, the cabinet 6 may also be connected to the link 3 by a rail and slide structure, or may be connected to the cabinet 6 by a rotational connection.
Referring to fig. 2 and 3, on the basis that the connecting rod 3 moves along a straight line, the linkage mechanism further includes an intermediate rod 9, one end of the intermediate rod 9 is rotationally connected with the first lock catch 1, and the other end of the intermediate rod is rotationally connected with the connecting rod 3, so that the connecting rod 3 is connected with the second lock catch 2, and thus, the connecting rod 3 drives the second lock catch 2 to rotate through the intermediate rod 9, so that the action is smoother and smoother.
It will be appreciated that the connecting rod 3 may also be provided with a shaft at the end and be connected to the second lock catch 2 by the shaft passing through a movable hole formed in the second lock catch 2, where the shaft may move in the movable hole, so that the pull rod may push and pull the second lock catch 2 to rotate through the shaft.
In this embodiment, connecting rod 3 level sets up to be the obtuse angle with the contained angle of intermediate lever 9, first hasp 1 and second hasp 2 are located connecting rod 3 same one side, so set up, can drive connecting rod 3, intermediate lever 9 and second hasp 2 motion in proper order when connecting rod 3 horizontal movement, realize locking and unlocking action.
Referring to fig. 1 and 2, in one embodiment of the elastic member 4, the elastic member 4 is a tension spring, one end of the tension spring is connected with the connecting rod 3, the other end of the tension spring is connected with the guiding member 8, when the cable chamber door 7 is closed, the cable chamber door 7 pushes against the connecting rod 3, the tension spring stretches and deforms, when the cable chamber door 7 is opened, the tension spring retracts, and the connecting rod 3 is pulled by the tension spring to drive the restoring member.
In other embodiments, the elastic member 4 may also select a corresponding type and an installation position according to a movable manner of the pull rod, for example, a compression spring is selected to replace the tension spring, and the force for restoring the pull rod is obtained by compressing the compression spring, or when the pull rod is rotationally connected to the cabinet 6, the elastic member 4 may also be a torsion spring disposed at a rotational connection position between the pull rod and the cabinet 6, and the force for restoring the pull rod is provided by torsion of the torsion spring.
This embodiment provides a regulator cubicle, including foretell mistake of preventing goes into electrified spaced regulator cubicle interlocking device, through foretell mistake of preventing goes into electrified spaced regulator cubicle interlocking device's application, this regulator cubicle can guarantee that PT inlet wire cabinet is in no voltage, uncharged state when back lid 5 opens, avoids personnel to go into electrified spaced risk by mistake, promotes the security performance of regulator cubicle.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An electrical cabinet interlocking mechanism capable of preventing mistaken entering of an electrified interval, which is characterized by comprising:
the first lock catch is connected with the rear cover of the PT incoming line cabinet;
the second lock catch is rotationally connected to the cabinet body and is matched with the first lock catch;
the connecting rod is connected with the second lock catch and is movably connected to the cabinet body, and the connecting rod is positioned on the opening and closing path of the cable room door;
the elastic piece is connected between the connecting rod and the cabinet body;
when the cable chamber door is closed, the cable chamber door pushes against the connecting rod, the elastic piece deforms, and the second lock catch is locked with the first lock catch so as to fix the rear cover; when the cable room door is opened, the connecting rod is driven to reset by the elastic piece, and the second lock catch and the first lock catch are unlocked so as to cancel the fixation of the rear cover.
2. The electrical cabinet interlocking mechanism for preventing false entry into a live bay of claim 1, wherein the first latch comprises two connecting arms and a cross bar, the connecting arms being connected to the rear cover at intervals, the cross bar being connected between the connecting arms and having a gap with the rear cover; the second lock catch comprises a hook part, and when the hook part is hung on the cross rod, the second lock catch is locked with the first lock catch.
3. The electrical cabinet interlocking mechanism for preventing erroneous entry into a live space according to claim 2, further comprising guide members, the number of the guide members being at least two and being connected to the cabinet body, at least two guide holes being provided in the link, the guide members each passing through one of the guide holes to move and return the link in the direction of the guide hole, and a head portion being provided in the guide members to restrict the link from being separated from the guide members.
4. The electrical cabinet interlocking mechanism for preventing false entry into an electrical compartment according to claim 3 further comprising an intermediate lever having one end rotatably connected to said first latch and the other end rotatably connected to said connecting rod to connect said connecting rod to said second latch.
5. The electrical cabinet interlocking mechanism for preventing false entry into a live bay of claim 4, wherein said connecting rod is horizontally disposed and has an obtuse angle with said intermediate rod, first lock and second lock being on the same side of said connecting rod.
6. The electrical cabinet interlocking mechanism for preventing erroneous entry into a live-line interval according to claim 3, wherein the elastic member is a tension spring, one end of the tension spring is connected with the connecting rod, the other end of the tension spring is connected with the guide member, when the cable chamber door is closed, the cable chamber door pushes against the connecting rod, the tension spring stretches and deforms, and when the cable chamber door is opened, the tension spring retracts, and the connecting rod is driven to reset by the tension spring.
7. An electrical cabinet comprising the electrical cabinet interlock mechanism for preventing erroneous entry into an electrified compartment of any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322208080.7U CN220544519U (en) | 2023-08-16 | 2023-08-16 | Electrical cabinet interlocking mechanism capable of preventing mistaken entering of electrified interval and electrical cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322208080.7U CN220544519U (en) | 2023-08-16 | 2023-08-16 | Electrical cabinet interlocking mechanism capable of preventing mistaken entering of electrified interval and electrical cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220544519U true CN220544519U (en) | 2024-02-27 |
Family
ID=89976639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322208080.7U Active CN220544519U (en) | 2023-08-16 | 2023-08-16 | Electrical cabinet interlocking mechanism capable of preventing mistaken entering of electrified interval and electrical cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220544519U (en) |
-
2023
- 2023-08-16 CN CN202322208080.7U patent/CN220544519U/en active Active
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