CN113099635B - Controller for three-power-supply automatic change-over switch - Google Patents
Controller for three-power-supply automatic change-over switch Download PDFInfo
- Publication number
- CN113099635B CN113099635B CN202110337643.5A CN202110337643A CN113099635B CN 113099635 B CN113099635 B CN 113099635B CN 202110337643 A CN202110337643 A CN 202110337643A CN 113099635 B CN113099635 B CN 113099635B
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- China
- Prior art keywords
- controller
- buckle
- shell
- bottom plate
- opening
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/0004—Casings, cabinets or drawers for electric apparatus comprising several parts forming a closed casing
- H05K5/0013—Casings, cabinets or drawers for electric apparatus comprising several parts forming a closed casing assembled by resilient members
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/068—Electronic means for switching from one power supply to another power supply, e.g. to avoid parallel connection
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Power Engineering (AREA)
- Casings For Electric Apparatus (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention discloses a controller for a three-power-supply automatic change-over switch, which comprises a controller shell, wherein the controller shell comprises a bottom shell and a panel shell; the bottom shell comprises a bottom plate and a side wall connected with the bottom plate, the side wall comprises two short side walls and two long side walls, two ends of each short side wall are respectively provided with a buckle opening, and the buckle openings are arranged close to the bottom plate; the bottom plate is provided with four pressing ports which are in one-to-one correspondence with the buckle ports, each pressing port is communicated with the corresponding buckle port, and an unlocking piece with elasticity is arranged in each pressing port; the bottom of panel housing is equipped with four elasticity buckles with buckle mouthful one-to-one, and the bottom of every elasticity buckle is equipped with and corresponds buckle mouthful joint complex joint portion, and the lateral surface of joint portion is the inclined plane, and the tip of deblocking spare upwards extends perpendicularly and forms the inclined plane effect portion corresponding with joint portion. The controller for the three-power-supply automatic change-over switch is convenient to disassemble and assemble, so that electronic components in the controller can be maintained and replaced.
Description
Technical Field
The invention relates to a controller for an automatic transfer switch of three power supplies.
Background
With the rapid development of intelligent power grid construction in China, the reliability requirement of important power supply places such as airports, hospitals, high-rise buildings, high-speed rails and the like which are not allowed to be powered off on continuous power supply of a power supply is higher and higher. In order to ensure the continuity of the load power supply, an emergency power supply system is being widely used. As an indispensable important component of an emergency power supply system, the application demand of an automatic transfer switching device is increasing, and the technical performance requirement is also increasing. Under the general important occasion, the dual-power automatic transfer switch device can meet the continuity of the two paths of power supply at present. But in very important occasions, three power supplies are needed to supply power so as to ensure the absolute safety of the operation of the equipment. The existing three-power-supply automatic transfer switch controller usually comprises a controller shell of an integrated structure, the service life of part of electronic components in the controller shell is short, once the controller has a local fault, the whole controller can only be replaced, the maintenance cost is high, and the production cost is high.
Disclosure of Invention
The invention aims to provide a controller for an automatic three-power-supply change-over switch, which is reasonable in structure and convenient to disassemble and assemble, so that electronic components in the controller can be maintained and replaced conveniently.
In order to achieve the purpose, the technical scheme of the invention is to design a controller for a three-power automatic transfer switch, which comprises a controller shell, wherein the controller shell comprises a bottom shell and a panel shell, an opening is formed in the top of the bottom shell, and the panel shell is detachably covered on the opening of the bottom shell;
the bottom shell comprises a bottom plate and a side wall connected with the bottom plate, the bottom plate is of a rectangular structure, the side wall comprises two short side walls and two long side walls, two ends of each short side wall are respectively provided with a clamping opening, and the clamping openings are arranged close to the bottom plate; the bottom plate is provided with four pressing ports which are in one-to-one correspondence with the buckle ports, each pressing port is communicated with the corresponding buckle port, an unlocking piece is arranged in each pressing port, the unlocking piece is integrally connected with the bottom plate, and the unlocking piece has elasticity;
the bottom of panel housing is equipped with four elasticity buckles with buckle mouth one-to-one, every the bottom of elasticity buckle is equipped with and corresponds buckle mouth joint complex joint portion, and the lateral surface of this joint portion is the inclined plane, the tip of deblocking spare upwards extends perpendicularly and forms the inclined plane effect part corresponding with joint portion, and this inclined plane effect part can contact with the inclined plane of joint portion.
Preferably, every the top of short lateral wall is equipped with the constant head tank, the bottom of panel casing is equipped with two location picture pegs, and these two location picture pegs are pegged graft with the constant head tank of two short lateral walls respectively and are cooperated.
Preferably, two by two of four elasticity buckles are in a group respectively and are set up the inboard at two location picture peg.
Preferably, the top wall of the buckle opening is provided with a limiting groove, and the top of the clamping portion is provided with a triangular limiting block located in the limiting groove.
Preferably, each long side wall is provided with a plurality of strip-shaped heat dissipation holes, and each strip-shaped heat dissipation hole extends to the joint of the long side wall and the bottom plate.
Preferably, the panel shell is provided with a display screen mounting port and a key mounting port.
Preferably, the bottom shell and the panel shell are both injection-molded parts.
The invention has the advantages and beneficial effects that: the controller for the three-power-supply automatic change-over switch is reasonable in structure and convenient to disassemble and assemble, and therefore electronic components inside the controller can be maintained and replaced conveniently.
When the panel shell is used, the panel shell can be locked and fixed on the bottom shell through the clamping and matching of the clamping part of the elastic buckle and the buckle port; when the controller breaks down, need maintain and change the inside electronic components of controller casing, just need dismantle the controller casing this moment, and concrete process is: the application of force presses the unlocking piece, makes the inclined plane effect part of unlocking piece remove to the joint portion of elasticity buckle, later inclined plane effect part will with the inclined plane contact of joint portion and promote joint portion and retreat, break away from the buckle mouth until joint portion to it is fixed to relieve the locking between panel casing and the drain pan, thereby accomplishes the dismantlement of controller casing, and then makes things convenient for the staff to maintain and change the inside electronic components of controller casing.
Drawings
FIG. 1 is a schematic of the present invention.
Fig. 2 is a schematic view of the snap-fit portion of the present invention engaged with the snap-fit opening.
Fig. 3 is a partial schematic view of a panel housing of the present invention.
Fig. 4 is a partial schematic view of the bottom case of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The technical scheme of the specific implementation of the invention is as follows:
as shown in fig. 1 to 4, a controller for a three-power automatic transfer switch includes a controller housing, the controller housing includes a bottom case 1 and a panel housing 2, an opening is disposed at the top of the bottom case 1, and the panel housing 2 is detachably covered on the opening of the bottom case 1;
the bottom shell 1 comprises a bottom plate 3 and side walls connected with the bottom plate 3, the bottom plate 3 is of a rectangular structure, the side walls comprise two short side walls 4 and two long side walls 5, two ends of each short side wall 4 are respectively provided with a buckling port 6, and the buckling ports 6 are arranged close to the bottom plate 3; four pressing openings 7 which correspond to the buckle openings 6 one by one are arranged on the bottom plate 3, each pressing opening 7 is communicated with the corresponding buckle opening 6, an unlocking piece 8 is arranged in each pressing opening 7, the unlocking piece 8 is integrally connected with the bottom plate 3, and the unlocking piece 8 has elasticity;
the bottom of panel housing 2 is equipped with four elastic buckle 9 with 6 one-to-one of buckle mouth, every the bottom of elastic buckle 9 is equipped with and corresponds 6 joint complex joint portions 10 of buckle mouth, and the lateral surface of this joint portion 10 is inclined plane 11, the tip of deblocking spare 8 upwards extends perpendicularly and forms inclined plane effect portion 12 corresponding with joint portions 10, and this inclined plane effect portion 12 can contact with inclined plane 11 of joint portions 10.
The top of each short side wall 4 is provided with a positioning groove 13, the bottom of the panel shell 2 is provided with two positioning insertion plates 14, and the two positioning insertion plates 14 are respectively in insertion fit with the positioning grooves 13 of the two short side walls 4.
The four elastic buckles 9 are respectively arranged at the inner sides of the two positioning insertion plates 14 in pairs and in a group.
The top wall of the buckle opening 6 is provided with a limiting groove 15, and the top of the buckle portion 10 is provided with a triangular limiting block 16 positioned in the limiting groove 15.
Each long side wall 5 is provided with a plurality of strip-shaped heat dissipation holes 17, and each strip-shaped heat dissipation hole 17 extends to the joint of the long side wall 5 and the bottom plate 3.
The panel housing 2 is provided with a display screen mounting port 18 and a key mounting port 19.
The bottom shell 1 and the panel shell 2 are both injection molded parts.
The invention has the advantages and beneficial effects that: the controller for the three-power-supply automatic change-over switch is reasonable in structure and convenient to disassemble and assemble, and therefore electronic components inside the controller can be maintained and replaced conveniently.
When the panel shell is used, the panel shell 2 can be locked and fixed on the bottom shell 1 through the clamping matching of the clamping part 10 of the elastic buckle 9 and the clamping opening 6; when the controller breaks down, need maintain and change the inside electronic components of controller casing, just need dismantle the controller casing this moment, and concrete process is: unlocking piece 8 is pressed to the application of force, make unlocking piece 8's inclined plane effect part 12 remove to the joint portion 10 of elastic buckle 9, later inclined plane effect part 12 will contact with inclined plane 11 of joint portion 10 and promote joint portion 10 and move back, break away from buckle mouth 6 until joint portion 10 to it is fixed to relieve the locking between panel casing 2 and the drain pan 1, thereby accomplish the dismantlement of controller casing, and then make things convenient for the staff to maintain and change the inside electronic components of controller casing.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A controller for an automatic three-power-supply change-over switch comprises a controller shell and is characterized in that the controller shell comprises a bottom shell and a panel shell, an opening is formed in the top of the bottom shell, and the panel shell is detachably covered on the opening of the bottom shell;
the bottom shell comprises a bottom plate and a side wall connected with the bottom plate, the bottom plate is of a rectangular structure, the side wall comprises two short side walls and two long side walls, two ends of each short side wall are respectively provided with a clamping opening, and the clamping openings are arranged close to the bottom plate; the bottom plate is provided with four pressing openings which are in one-to-one correspondence with the buckle openings, each pressing opening is communicated with the corresponding buckle opening, an unlocking piece is arranged in each pressing opening, the unlocking piece is integrally connected with the bottom plate, and the unlocking piece has elasticity;
the bottom of panel housing is equipped with four elasticity buckles with buckle mouth one-to-one, every the bottom of elasticity buckle is equipped with and corresponds buckle mouth joint complex joint portion, and the lateral surface of this joint portion is the inclined plane, the tip of deblocking spare upwards extends perpendicularly and forms the inclined plane effect part corresponding with joint portion, and this inclined plane effect part can contact with the inclined plane of joint portion.
2. The controller for three-power automatic transfer switch according to claim 1, wherein the top of each of the short side walls is provided with a positioning groove, and the bottom of the panel case is provided with two positioning insertion plates which are respectively inserted and matched with the positioning grooves of the two short side walls.
3. The controller for the automatic transfer switch of three power supplies according to claim 2, wherein the four elastic buckles are respectively arranged at the inner sides of the two positioning insertion plates in a group of two by two.
4. The controller according to claim 3, wherein a top wall of the locking opening is provided with a limiting groove, and a top of the locking portion is provided with a triangular limiting block positioned in the limiting groove.
5. The controller according to claim 4, wherein each of the long sidewalls has a plurality of strip-shaped heat dissipation holes extending to a connection point between the long sidewall and the bottom plate.
6. The controller of claim 5, wherein the panel housing has a display mounting opening and a key mounting opening.
7. The controller for a three power automatic transfer switch of claim 6, wherein the bottom case and the panel case are both injection molded parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110337643.5A CN113099635B (en) | 2021-03-30 | 2021-03-30 | Controller for three-power-supply automatic change-over switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110337643.5A CN113099635B (en) | 2021-03-30 | 2021-03-30 | Controller for three-power-supply automatic change-over switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113099635A CN113099635A (en) | 2021-07-09 |
| CN113099635B true CN113099635B (en) | 2022-07-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110337643.5A Active CN113099635B (en) | 2021-03-30 | 2021-03-30 | Controller for three-power-supply automatic change-over switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113099635B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208597210U (en) * | 2018-06-29 | 2019-03-12 | 上海与德通讯技术有限公司 | The buckle structure of shell and cap |
| CN211152468U (en) * | 2020-01-10 | 2020-07-31 | 东莞市吉诺塑胶制品有限公司 | Plastic shell with buckle structure |
| CN112116854A (en) * | 2020-10-09 | 2020-12-22 | 广州新烨数码科技股份有限公司 | Building block type sensor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014155449A1 (en) * | 2013-03-25 | 2014-10-02 | パナソニック株式会社 | Monitor housing apparatus |
-
2021
- 2021-03-30 CN CN202110337643.5A patent/CN113099635B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208597210U (en) * | 2018-06-29 | 2019-03-12 | 上海与德通讯技术有限公司 | The buckle structure of shell and cap |
| CN211152468U (en) * | 2020-01-10 | 2020-07-31 | 东莞市吉诺塑胶制品有限公司 | Plastic shell with buckle structure |
| CN112116854A (en) * | 2020-10-09 | 2020-12-22 | 广州新烨数码科技股份有限公司 | Building block type sensor |
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| Publication number | Publication date |
|---|---|
| CN113099635A (en) | 2021-07-09 |
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