CN219778627U - Single-phase isolation transformer - Google Patents
Single-phase isolation transformer Download PDFInfo
- Publication number
- CN219778627U CN219778627U CN202321300610.4U CN202321300610U CN219778627U CN 219778627 U CN219778627 U CN 219778627U CN 202321300610 U CN202321300610 U CN 202321300610U CN 219778627 U CN219778627 U CN 219778627U
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- Prior art keywords
- cover
- isolation
- output port
- shell
- assembly
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- 238000002955 isolation Methods 0.000 title claims abstract description 70
- 230000007246 mechanism Effects 0.000 claims description 19
- 238000009423 ventilation Methods 0.000 claims description 18
- 238000009434 installation Methods 0.000 claims description 7
- 239000000428 dust Substances 0.000 abstract description 11
- 239000012535 impurity Substances 0.000 abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 230000009545 invasion Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The utility model discloses a single-phase isolation transformer in the technical field of isolation transformers, which comprises: the shell assembly and the top cover assembly comprise a top cover arranged on the shell, an output port arranged at the top of the top cover and connecting blocks symmetrically arranged at one side, close to the output port, of the top cover, and the connecting blocks are distributed at two sides of the output port; the isolation cover assembly comprises an isolation cover, a connecting shaft which is symmetrically arranged on the side wall of the isolation cover and connected with the connecting block, and a caulking groove which is formed in the side wall of the isolation cover, wherein the isolation cover is covered on the outer side of the output port, and the single-phase isolation transformer protects the output port through the isolation cover, so that dust impurities and water are prevented from invading the output port to cause electrical short circuit, and the service life of equipment is guaranteed.
Description
Technical Field
The utility model relates to the technical field of isolation transformers, in particular to a single-phase isolation transformer.
Background
The isolating transformer belongs to a safe power supply, is generally used for machine maintenance, and has the functions of protection, lightning protection and filtering. Isolation transformers are first commonly used with ac power supply voltages, one line connected to ground, and the other line connected to ground at a 220V potential difference. Human contact can produce an electric shock. While the secondary of the isolation transformer is not connected with the ground, and no potential difference exists between any two lines of the isolation transformer and the ground. The contact of a person with any wire can not generate electric shock, so that the safety is ensured. And the output end and the input end of the isolation transformer are completely isolated in an open circuit mode, so that a good filtering effect is effectively achieved on the input end (the power supply voltage supplied by a power grid) of the transformer. Thereby providing a pure supply voltage to the powered device.
Another use is tamper-proof. The system can be widely applied to the places such as subways, high-rise buildings, airports, stations, wharfs, industrial and mining enterprises, power transmission and distribution of tunnels and the like. The isolating transformer is a transformer with input winding and output winding electrically isolated from each other, and is used to avoid danger caused by accidental contact with live body (or metal parts possibly live due to insulation damage) and ground, and its principle is the same as that of common dry-type transformer, and electromagnetic induction principle is also utilized to isolate primary power circuit mainly, and secondary circuit floats to ground to ensure electricity safety.
The output port on the existing isolation transformer is arranged upwards, dust impurities and water are very easy to embed into the output port, so that a short circuit phenomenon occurs, and the service life of equipment is seriously influenced.
Disclosure of Invention
The utility model aims to provide a single-phase isolation transformer, which solves the problems that the prior isolation transformer has an upward output port, dust impurities and water are easy to embed into the output port, short circuit phenomenon occurs, and the service life of equipment is seriously influenced.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a single-phase isolation transformer, comprising:
a housing assembly including a shell;
the top cover assembly comprises a top cover arranged on the shell, an output port arranged at the top of the top cover and connecting blocks symmetrically arranged at one side of the top cover close to the output port, and the connecting blocks are distributed at two sides of the output port;
the isolation cover assembly comprises an isolation cover, a connecting shaft which is symmetrically arranged on the side wall of the isolation cover and connected with the connecting block, and a caulking groove which is formed in the side wall of the isolation cover, and the isolation cover covers the outer side of the output port.
Preferably, the shell assembly further comprises supporting legs arranged at four corners of the bottom of the shell, ventilation grooves formed in the outer side wall of the shell, and a rain cover arranged on the outer side wall of the shell and corresponding to the ventilation grooves.
Preferably, the cap assembly further includes a handle disposed at the top cap top input port and symmetrically disposed at the top cap top edge.
Preferably, a mounting plate is arranged at the bottom of the outer side wall of the shell, a telescopic mechanism is mounted at the top of the mounting plate, and a telescopic component on the telescopic mechanism penetrates through the bottom of the mounting plate.
Preferably, universal wheels are arranged on telescopic components on the telescopic mechanism, and the universal wheels are arranged at the lower end of the mounting plate.
Preferably, a filter screen is arranged on one side, facing the ventilation groove, of the rainproof cover, and the filter screen covers the outer side of the ventilation groove.
Compared with the prior art, the utility model has the beneficial effects that: this kind of single-phase isolation transformer covers on output port through the isolation lid, protects output port through the isolation lid, avoids dust impurity and water to invade the inside of output port and causes the appearance of electric short circuit phenomenon, has ensured the life of equipment.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the top cover assembly of the present utility model;
FIG. 3 is a schematic view of an isolation cover assembly of the present utility model;
FIG. 4 is a schematic view of the housing assembly of the present utility model;
FIG. 5 is a schematic view of the installation of the housing and mounting plate of the present utility model;
FIG. 6 is a schematic view of the mounting plate and telescoping mechanism of the present utility model;
FIG. 7 is a schematic view of the installation of the rain cover and filter screen of the present utility model;
fig. 8 is a schematic view of a filter according to the present utility model.
In the figure: 100 shell assemblies, 110 shells, 111 mounting plates, 112 telescopic mechanisms, 120 support legs, 130 ventilation grooves, 140 rain covers, 141 filter screens, 200 top cover assemblies, 210 top covers, 220 input ports, 230 output ports, 240 connecting blocks, 250 handles, 300 isolation cover assemblies, 310 isolation covers, 320 connecting shafts and 330 caulking grooves.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a single-phase isolation transformer, which is covered on an output port through an isolation cover, and the output port is protected through the isolation cover, so that the phenomenon of electrical short circuit caused by invasion of dust impurities and water into the output port is avoided, the service life of equipment is ensured, and referring to fig. 1, the single-phase isolation transformer comprises: a housing assembly 100, a top cover assembly 200, and an isolation cover assembly 300;
referring to fig. 1 to 4, the housing assembly 100 includes a housing 110, the cap assembly 200 includes a cap 210 disposed on the housing 110, an output port 230 disposed at the top of the cap 210, and a connection block 240 symmetrically disposed at the top of the cap 210 adjacent to one side of the output port 230, the connection block 240 being disposed at both sides of the output port 230, the cap assembly 300 includes a cap 310, a connection shaft 320 symmetrically disposed at the sidewall of the cap 310 and connected with the connection block 240, and a caulking groove 330 formed at the sidewall of the cap 310, the cap 310 covers the outside of the output port 230, the cap 210 is detachably mounted at the top opening of the housing 110 by bolts, sealing between the cap 210 and the housing 110, mounting holes are formed in the connection block 240, the connection shaft 320 is matched with the mounting holes, the connection shaft 320 is mounted at the inner side of the mounting holes by bearings, the isolation cover 310 is installed between the two connection blocks 240 through the cooperation of the connection shaft 320 and the installation hole, the connection shaft 320 can rotate in the installation hole through the bearing, the isolation cover 310 can turn over between the two connection blocks 240 through the connection shaft 320, the output port 230 is composed of two sockets, an air knife and a switch, when the isolation cover 310 is turned over through the connection shaft 320 when the isolation cover is not used, the isolation cover 310 is enabled to be in contact with the top of the top cover 210, the isolation cover 310 covers the outer side of the output port 230, the output port 230 is protected, the phenomenon that dust and water invade into the output port 230 to cause short circuit is avoided, when the isolation cover is used, the isolation cover 310 is turned over through the connection shaft 320, the bottom of the isolation cover 310 is far away from the top cover 210, the plug is inserted into the socket, the isolation cover 310 is turned over through the connection shaft 320, the isolation cover 310 is enabled to be covered on the top cover 210, the caulking groove 330 is clamped on a lead of a plug, the output port 230 is protected through the isolation cover 310, the phenomenon of electrical short circuit caused by invasion of dust impurities and water into the output port is avoided, the service life of equipment is guaranteed, in order to enable the isolation cover 310 to be automatically reset and covered on the top cover 210, the utility model is also provided with the coil spring, the connecting shaft 320 is connected with the connecting block 240 through the coil spring, when in use, a worker manually overturns the isolation cover 310, the bottom of the isolation cover 310 is far away from the top cover 210, the isolation cover 310 overturns to drive the connecting shaft 320 to rotate, the connecting shaft 320 drives the coil spring to shrink, then the plug is inserted into a socket, the worker loosens the isolation cover 310, the connecting shaft 320 is driven to rotate under the elastic force of the coil spring, and the isolation cover 310 is driven to overturne and reset through the connecting shaft 320, so that the isolation cover 310 is covered on the top cover 210, the isolation cover 310 can be automatically reset, the worker forgets to reset the isolation cover 310, and the output port 230 can be effectively protected;
referring to fig. 1 and 4, the housing assembly 100 further includes legs 120 disposed at four corners of the bottom of the housing 110, ventilation slots 130 disposed on the outer side walls of the housing 110, and a rain cover 140 disposed on the outer side walls of the housing 110 and corresponding to the ventilation slots 130, the ventilation slots 130 are communicated with the inner cavities of the housing 110, external air can enter the inner cavities of the housing 110 through the ventilation slots 130 to exchange heat with the inner cavities of the housing 110, so as to reduce the temperature of the inner cavities of the housing 110, and simultaneously, air in the inner cavities of the housing 110 can be discharged into the external air through the ventilation slots 130, thereby achieving the purpose of reducing the temperature of the inner cavities of the housing 110, the rain cover 140 is welded on the outer side walls of the housing 110, the rain cover 140 is semi-arc-shaped, the rain is prevented from entering the inner cavities of the housing 110 through the ventilation slots 130, the legs 120 are welded at the four corners of the bottom of the housing 110, the housing 110 is contacted with the ground, and the contact surfaces of the legs 120 and the ground are embedded with anti-skid rubber, so that the housing 110 can be stably placed on the ground;
referring to fig. 1-2, the top cover assembly 200 further includes a handle 250 disposed at the top input port 220 of the top cover 210 and symmetrically disposed at the top edge of the top cover 210, the top cover 210 is detachably mounted at the top opening of the housing 110 by bolts, the equipment can be carried by the handle 250, and the input port 220 is connected with the input port 220V power supply;
referring to fig. 1 and 4-6, a mounting plate 111 is disposed at the bottom of the outer sidewall of a housing 110, a telescopic mechanism 112 is mounted at the top of the mounting plate 111, telescopic members on the telescopic mechanism 112 penetrate the bottom of the mounting plate 111, universal wheels are mounted on telescopic members on the telescopic mechanism 112, the universal wheels are disposed at the lower end of the mounting plate 111, in order to facilitate the transportation of the equipment, the utility model further provides the mounting plate 111 and the telescopic mechanism 112, the mounting plate 111 is welded at four corners of the outer sidewall of the housing 110, the mounting plate 111 is disposed adjacent to a supporting leg 120, the telescopic mechanism 112 is detachably mounted at the top of the mounting plate 111 through bolts, the telescopic mechanism 112 includes but is not limited to a cylinder, a hydraulic cylinder and an electric push rod, preferably, the electric push rod is adopted, the universal wheel is detachably arranged on a telescopic component of the telescopic mechanism 112 through a bolt, the telescopic mechanism 112 drives the universal wheel to move up and down along the direction vertical to the ground, when the electric push rod is required to be transported, the telescopic mechanism 112 drives the universal wheel to move towards the ground, the universal wheel is contacted with the ground, the shell 110 is supported through the cooperation of the telescopic mechanism 112 and the universal wheel, the supporting leg 120 is far away from the ground, the shell 110 is transported through the universal wheel, after the shell 110 is transported to a specified position, the telescopic mechanism 112 drives the universal wheel to move towards the direction far away from the ground until the supporting leg 120 is contacted with the ground, and the shell 110 is stably placed on the ground;
referring to fig. 1 and 7-8, a filter screen 141 is disposed on a side of the rain cover 140 facing the ventilation slot 130, the filter screen 141 covers the outside of the ventilation slot 130, in order to prevent dust and impurities from entering into the inner cavity of the housing 110, the utility model also provides a filter screen 141, the filter screen 141 is detachably mounted on the housing 110 and the rain cover 140 through bolts, the filter screen 141 covers the outer side wall of the ventilation slot 130, the dust and impurities in the air are filtered through the filter screen 141, the damage of the transformer caused by the dust and impurities in the air entering into the inner cavity of the housing 110 is avoided, the service life of the transformer is ensured, and meanwhile, the filter screen 141 is detachably mounted on the housing 110 and the rain cover 140, so that the filter screen 141 is detached and cleaned, and the long-time use of the pollution of the dust and impurities is prevented from influencing the temperature reduction of the inner cavity of the housing 110.
Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner so long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of brevity and resource saving. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (6)
1. A single-phase isolation transformer, characterized in that: comprising the following steps:
a housing assembly (100), the housing assembly (100) comprising a housing (110);
the top cover assembly (200), the top cover assembly (200) comprises a top cover (210) arranged on the shell (110), an output port (230) arranged at the top of the top cover (210) and connecting blocks (240) symmetrically arranged at one side, close to the output port (230), of the top cover (210), and the connecting blocks (240) are distributed at two sides of the output port (230);
the isolation cover assembly (300), the isolation cover assembly (300) comprises an isolation cover (310), a connecting shaft (320) symmetrically arranged on the side wall of the isolation cover (310) and connected with the connecting block (240), and a caulking groove (330) formed in the side wall of the isolation cover (310), and the isolation cover (310) covers the outer side of the output port (230).
2. A single-phase isolation transformer according to claim 1, wherein: the shell assembly (100) further comprises supporting legs (120) arranged at four corners of the bottom of the shell (110), ventilation grooves (130) formed in the outer side walls of the shell (110), and rain covers (140) arranged on the outer side walls of the shell (110) and corresponding to the ventilation grooves (130).
3. A single-phase isolation transformer according to claim 2, characterized in that: the cap assembly (200) further includes a handle (250) disposed at a top input port (220) of the cap (210) and symmetrically disposed at a top edge of the cap (210).
4. A single-phase isolation transformer according to claim 3, wherein: the shell is characterized in that an installation plate (111) is arranged at the bottom of the outer side wall of the shell (110), a telescopic mechanism (112) is installed at the top of the installation plate (111), and a telescopic component on the telescopic mechanism (112) penetrates through the bottom of the installation plate (111).
5. The single-phase isolation transformer according to claim 4, wherein: and universal wheels are arranged on telescopic components on the telescopic mechanism (112), and the universal wheels are arranged at the lower end of the mounting plate (111).
6. A single-phase isolation transformer according to claim 5, wherein: a filter screen (141) is arranged on the rain cover (140) towards one side of the ventilation groove (130), and the filter screen (141) covers the outer side of the ventilation groove (130).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321300610.4U CN219778627U (en) | 2023-05-26 | 2023-05-26 | Single-phase isolation transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321300610.4U CN219778627U (en) | 2023-05-26 | 2023-05-26 | Single-phase isolation transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219778627U true CN219778627U (en) | 2023-09-29 |
Family
ID=88133636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321300610.4U Active CN219778627U (en) | 2023-05-26 | 2023-05-26 | Single-phase isolation transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219778627U (en) |
-
2023
- 2023-05-26 CN CN202321300610.4U patent/CN219778627U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |