CN216015108U - Permanent magnet explosion-proof switch for protective transformer - Google Patents
Permanent magnet explosion-proof switch for protective transformer Download PDFInfo
- Publication number
- CN216015108U CN216015108U CN202122629935.4U CN202122629935U CN216015108U CN 216015108 U CN216015108 U CN 216015108U CN 202122629935 U CN202122629935 U CN 202122629935U CN 216015108 U CN216015108 U CN 216015108U
- Authority
- CN
- China
- Prior art keywords
- explosion
- proof switch
- shell
- protective
- permanent magnet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a permanent magnet explosion-proof switch for a protective transformer, which comprises an explosion-proof switch shell, wherein a protection plate is arranged in the explosion-proof switch shell, a permanent magnet switch body is arranged on the protection plate, and a first jack and a second jack are arranged on the protection plate and the explosion-proof switch shell; further comprising: the monitoring device is arranged inside the protection plate; the indicating lamp is arranged on the permanent magnet switch body; the control device is arranged on the explosion-proof switch shell; and the fixing plates are symmetrically distributed about the center of the explosion-proof switch shell. This protection permanent magnetism explosion-proof switch for transformer through protective housing alright realize carrying out dustproof protection to permanent magnetism switch body, first jack and second jack, can realize carrying out the shock attenuation between protective housing and the explosion-proof switch shell through promoting spring and shock attenuation board to avoid when closing protective housing, and take place great collision between the explosion-proof switch shell, thereby cause explosion-proof switch shell and protective housing's damage.
Description
Technical Field
The utility model relates to a permanent magnetism switch technical field specifically is a protection type permanent magnetism explosion-proof switch for transformer.
Background
The permanent magnet switch is a device which can control whether a circuit is switched on or off through whether a magnet is close to the permanent magnet switch, and the permanent magnet switch is widely applied to a transformer and controls the transformer through the permanent magnet switch because the permanent magnet switch is good in stability and can effectively prevent explosion.
The publication number is: CN 103715618B's an explosion-proof electricity box, the electric connection contact of tongue tube is in the tongue tube sealed environment (especially vacuum tongue tube, non-ferromagnetic metal shell tongue tube), and external world is isolated, the tongue tube itself is explosion-proof, supply socket is in the outage state when the plug inserts supply socket or pulls out from supply socket, just so can not produce the electric spark, thereby reach the effect of this ampere of explosion-proof, adopt the magnetic control switch mode of tongue tube control bidirectional thyristor, bidirectional thyristor is the contactless switch of high-power, can realize that high-power gets the electricity. A zero-crossing detection trigger module is further added, so that the possibility of electric sparks caused by power on and power off is further eliminated.
However, there are some problems in the use of the above-mentioned device, for example, in the use of the above-mentioned magnetic switch, an external protection device is lacked, so that dust is easily attached to the upper end of the magnetic switch when the magnetic switch is not used for a long time, thereby affecting the use effect thereof, and a cover plate made of PVC is added to a part of the magnetic switch, so that the magnetic switch is easily damaged and can be easily opened, which is very unsafe.
Disclosure of Invention
An object of the utility model is to provide a protection permanent magnetism explosion-proof switch for transformer to provide the dust easily when not using for a long time and adhere to in solving above-mentioned background art in the upper end of magnetic control switch, the problem that the apron of part magnetic control switch installed the PVC material additional very easily takes place to damage.
In order to achieve the above object, the utility model provides a following technical scheme: a permanent magnet explosion-proof switch for a protective transformer comprises an explosion-proof switch shell, wherein a protection plate is arranged in the explosion-proof switch shell, a permanent magnet switch body is arranged on the protection plate, and a first jack and a second jack are respectively arranged on the protection plate and the explosion-proof switch shell;
further comprising:
the monitoring device is arranged inside the protection plate;
the indicating lamp is arranged on the permanent magnet switch body;
the control device is arranged on the explosion-proof switch shell and is provided with a connecting wire;
the fixing plates are symmetrically distributed about the center of the explosion-proof switch shell, and first reeds are symmetrically arranged on the fixing plates;
and the protective shell is mutually attached to the fixed plate, and the inner surface of the protective shell is mutually attached to the outer surface of the explosion-proof switch shell.
Preferably, the last first locating lever that has run through of protective housing, just the last first spring of installing of protective housing, and first spring mounting is in on the first locating lever, simultaneously first locating lever surface sets up to smooth, and through above-mentioned structure, it is fixed to laminate through first locating lever to protective housing's position to be convenient for.
Preferably, a second positioning rod penetrates through a plate-shaped structure arranged on the protective shell, the second positioning rod is attached to a groove formed in the first positioning rod, a second spring is installed between the protective shell and the second positioning rod, and the first positioning rod is clamped and fixed through the second positioning rod.
Preferably, the explosion-proof switch shell is symmetrically provided with the receiving sliding plates, the outer surfaces of the receiving sliding plates are smooth, the receiving sliding plates are in sliding connection with the protective shell through grooves formed in the protective shell, the receiving sliding plates are mutually attached to the first positioning rods through the grooves formed in the upper ends of the receiving sliding plates, and the movement range of the protective shell is limited by the receiving sliding plates through the structure.
Preferably, a second reed is installed in a groove formed in the upper end of the protective shell, the second reed and the first reed are attached to each other, a pushing spring is installed at the upper end of the protective shell, and the damping plate is pushed conveniently through the pushing spring through the structure.
Preferably, the damping plate is installed to the promotion spring lower extreme, just the symmetry is provided with the guide bar on the damping plate, and the guide bar passes through the platelike structure that sets up on the protective housing with protective housing constitutes sliding connection, through above-mentioned structure, is convenient for restrict the position of damping plate through the guide bar.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the permanent magnet explosion-proof switch for the protective transformer is provided with the protective shell and the first positioning rod, the permanent magnet switch body, the first jack and the second jack can be protected against dust through the protective shell, so that effective protection can be realized when the permanent magnet explosion-proof switch is not used for a long time, and the position of the protective shell is fixed through the first positioning rod and the second positioning rod, so that the protective shell is prevented from being easily moved;
(2) this protection permanent magnetism explosion-proof switch for transformer is provided with push spring and shock attenuation board, can realize carrying out the shock attenuation between protective housing and the explosion-proof switch shell through push spring and shock attenuation board to avoid when closing protective housing, and take place great collision between the explosion-proof switch shell, thereby cause explosion-proof switch shell and protective housing's damage.
Drawings
FIG. 1 is a schematic view of the front view cross-sectional structure of the protective casing of the present invention in an open state;
FIG. 2 is a schematic view of the sectional structure of the protective casing in a closed state;
fig. 3 is a schematic side view of the permanent magnet switch of the present invention;
FIG. 4 is a schematic view of the sectional structure of the shock absorbing plate of the present invention;
fig. 5 is a schematic view of the bottom cross-section structure of the protective housing of the present invention.
In the figure: 1. an explosion-proof switch housing; 2. a protection plate; 3. a monitoring device; 4. a permanent magnet switch body; 5. an indicator light; 6. a control device; 7. connecting a lead; 8. a first jack; 9. a second jack; 10. a fixing plate; 11. a first reed; 12. a protective housing; 13. a first positioning rod; 14. a first spring; 15. a second positioning rod; 16. a second spring; 17. carrying the sliding plate; 18. a second reed; 19. a push spring; 20. a damper plate; 21. a guide rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings 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 work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a permanent magnet explosion-proof switch for a protective transformer comprises an explosion-proof switch shell 1, wherein a protection plate 2 is arranged in the explosion-proof switch shell, a permanent magnet switch body 4 is arranged on the protection plate 2, and a first jack 8 and a second jack 9 are respectively arranged on the protection plate 2 and the explosion-proof switch shell 1;
further comprising:
a monitoring device 3 installed inside the shielding plate 2;
the indicator light 5 is arranged on the permanent magnet switch body 4;
the control device 6 is arranged on the explosion-proof switch shell 1, and a connecting lead 7 is arranged on the control device 6;
the fixing plate 10 is symmetrically distributed about the center of the explosion-proof switch shell 1, and the fixing plate 10 is symmetrically provided with first reeds 11;
the protective shell 12 is attached to the fixing plate 10, and the inner surface of the protective shell 12 is attached to the outer surface of the explosion-proof switch shell 1;
in this example, a first positioning rod 13 penetrates through the protective casing 12, a first spring 14 is mounted on the protective casing 12, the first spring 14 is mounted on the first positioning rod 13, and the outer surface of the first positioning rod 13 is smooth; a second positioning rod 15 penetrates through a plate-shaped structure arranged on the protective shell 12, the second positioning rod 15 is mutually attached to a groove formed in the first positioning rod 13, and a second spring 16 is arranged between the protective shell 12 and the second positioning rod 15; the explosion-proof switch shell 1 is symmetrically provided with bearing sliding plates 17, the outer surfaces of the bearing sliding plates 17 are smooth, the bearing sliding plates 17 are in sliding connection with the protective shell 12 through grooves formed in the protective shell 12, and the bearing sliding plates 17 are attached to the first positioning rods 13 through the grooves formed in the upper ends of the bearing sliding plates 17;
when the protective casing 12 needs to be closed, the second positioning rod 15 is pulled to move the second positioning rod 15 in the direction away from the first positioning rod 13, at this time, the second spring 16 begins to be stretched and deformed, then the first spring 14 in a compressed state begins to recover and deform, so that the first positioning rod 13 is pushed to move in the direction away from the protective casing 12 until the first positioning rod 13 is no longer attached to the groove formed on the connecting wire 7, then the protective casing 12 can be pushed downwards, namely the protective casing 12 is convenient to slide before receiving the sliding plate 17, when the protective casing 12 slides to the lowest end, the second positioning rod 15 is pulled to start to move upwards, then the first positioning rod 13 is pushed until the first positioning rod 13 is attached to the groove formed on the receiving sliding plate 17, at this time, the first spring 14 mounted on the first positioning rod 13 begins to be compressed and deformed, then, the second positioning rod 15 is loosened, and under the action of the second spring 16 recovering deformation, the second positioning rod 15 begins to be attached to the groove formed in the first positioning rod 13, and the position of the first positioning rod 13 can be fixed;
a second reed 18 is arranged in a groove formed in the upper end of the protective shell 12, the second reed 18 is attached to the first reed 11, and a pushing spring 19 is arranged at the upper end of the protective shell 12; the lower end of the pushing spring 19 is provided with a damping plate 20, guide rods 21 are symmetrically arranged on the damping plate 20, and the guide rods 21 are in sliding connection with the protective shell 12 through a plate-shaped structure arranged on the protective shell 12;
along with protective housing 12 moves down, laminate each other this moment until shock attenuation board 20 and explosion-proof switch shell 1's upper end, push spring 19 begins by compression deformation, along with push spring 19 resumes deformation, just begin to promote shock attenuation board 20, alright carry out the shock attenuation this moment between protective housing 12 and explosion-proof switch shell 1, along with protective housing 12 is promoted downwards, second reed 18 of installation just begins to extrude deformation each other with first reed 11 of installation on the fixed plate 10 on protective housing 12, through realize carrying out the block between explosion-proof switch shell 1 and protective housing 12 at second reed 18 and first reed 11 and fix.
The working principle is as follows: when needs use this device, install explosion-proof switch shell 1 in the assigned position, and make connecting wire 7 and transformer terminal interconnect, when needs are controlled the circuit break-make condition, press permanent magnet switch body 4, the magnet that sets up on permanent magnet switch body 4 this moment is close to each other with controlling means 6, magnet and controlling means 6 laminate each other promptly, thereby can make controlling means 6 begin to switch on, the circuit is switched on promptly, thereby the realization is controlled the break-make condition of circuit, and through protecting sheathing 12 to the inside permanent magnet switch body 4 that sets up of explosion-proof switch shell 1, first jack 8 carries out dustproof protection with second jack 9, this is exactly this protection type transformer permanent magnet explosion-proof switch's theory of operation.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A permanent magnet explosion-proof switch for a protective transformer comprises an explosion-proof switch shell (1), a protection plate (2) is installed inside the explosion-proof switch shell, a permanent magnet switch body (4) is installed on the protection plate (2), and a first jack (8) and a second jack (9) are formed in the protection plate (2) and the explosion-proof switch shell (1);
it is characterized by also comprising:
a monitoring device (3) mounted inside the protection plate (2);
the indicating lamp (5) is arranged on the permanent magnet switch body (4);
the control device (6) is arranged on the explosion-proof switch shell (1), and a connecting wire (7) is arranged on the control device (6);
the fixing plate (10) is symmetrically distributed about the center of the explosion-proof switch shell (1), and first reeds (11) are symmetrically arranged on the fixing plate (10);
the protection shell (12) is attached to the fixing plate (10), and the inner surface of the protection shell (12) is attached to the outer surface of the explosion-proof switch shell (1).
2. The permanent magnet explosion-proof switch for the protective transformer as claimed in claim 1, wherein: first locating rod (13) runs through on protective housing (12), just install first spring (14) on protective housing (12), and first spring (14) are installed on first locating rod (13), simultaneously first locating rod (13) surface sets up to smooth.
3. The permanent magnet explosion-proof switch for the protective transformer as claimed in claim 2, wherein: a second positioning rod (15) penetrates through a plate-shaped structure arranged on the protective shell (12), the second positioning rod (15) is attached to a groove formed in the first positioning rod (13), and a second spring (16) is arranged between the protective shell (12) and the second positioning rod (15).
4. The permanent magnet explosion-proof switch for the protective transformer as claimed in claim 3, wherein: the explosion-proof switch is characterized in that the explosion-proof switch shell (1) is symmetrically provided with bearing sliding plates (17), the outer surfaces of the bearing sliding plates (17) are smooth, the bearing sliding plates (17) are in sliding connection with the protective shell (12) through grooves formed in the protective shell (12), and the bearing sliding plates (17) are mutually attached to the first positioning rods (13) through the grooves formed in the upper ends of the bearing sliding plates (17).
5. The permanent magnet explosion-proof switch for the protective transformer as claimed in claim 1, wherein: and a second reed (18) is arranged in a groove formed in the upper end of the protective shell (12), the second reed (18) is attached to the first reed (11), and a pushing spring (19) is arranged at the upper end of the protective shell (12).
6. The permanent magnet explosion-proof switch for the protective transformer as claimed in claim 5, wherein: the damping plate (20) is installed to push spring (19) lower extreme, just damping plate (20) are gone up the symmetry and are provided with guide bar (21), and guide bar (21) pass through the platelike structure that sets up on protective housing (12) with protective housing (12) constitute sliding connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122629935.4U CN216015108U (en) | 2021-10-30 | 2021-10-30 | Permanent magnet explosion-proof switch for protective transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122629935.4U CN216015108U (en) | 2021-10-30 | 2021-10-30 | Permanent magnet explosion-proof switch for protective transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216015108U true CN216015108U (en) | 2022-03-11 |
Family
ID=80526530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122629935.4U Active CN216015108U (en) | 2021-10-30 | 2021-10-30 | Permanent magnet explosion-proof switch for protective transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216015108U (en) |
-
2021
- 2021-10-30 CN CN202122629935.4U patent/CN216015108U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210628621U (en) | Communication interface mechanism of direct current wall-mounted power supply system | |
| CN211480117U (en) | Graphene battery protection device with buffering effect | |
| CN216015108U (en) | Permanent magnet explosion-proof switch for protective transformer | |
| CN113328423A (en) | Surge protector for high-voltage power | |
| CN209947755U (en) | DC contactor with built-in auxiliary circuit | |
| CN210297282U (en) | Mining power supply device | |
| CN207459298U (en) | One kind is used for tablet computer safety socket | |
| CN215645146U (en) | Novel response thunder protection device | |
| CN209929085U (en) | Outdoor transformer with cable through hole | |
| CN111654983A (en) | Novel intelligent power supply with protection against electric shock | |
| CN208423296U (en) | A kind of dust guard of Direct Plug-In charger plug iron plate | |
| CN101901704A (en) | Power-off protector and lighting device using same | |
| CN214122291U (en) | Low-voltage transformer area branch power consumption monitoring and alarming device | |
| CN115117527B (en) | Composite EPP battery cover plate with ventilation, flame retardance and moisture resistance effects | |
| CN210298265U (en) | Low-voltage apparatus leakage protection device | |
| CN215069680U (en) | Automatic change power switch | |
| CN210136798U (en) | Explosion-proof wall switch | |
| CN213906017U (en) | Multistage buffering explosion-proof type 10kV high-voltage metering cabinet | |
| CN211252908U (en) | Battery pack of electric bicycle | |
| CN212486404U (en) | Vacuum electromagnetic starter with electric leakage locking protection circuit | |
| CN212456920U (en) | Boiler flue negative pressure protection device | |
| CN219498733U (en) | Magnetic control normal pressure cabinet | |
| CN204441214U (en) | A kind of single deck tape-recorder board mounting structure of circuit breaker | |
| CN208806610U (en) | A kind of steady electric appliance of Intelligent purifying | |
| CN208903934U (en) | High-voltage large current relay |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |