CN112309786A - Compact earth leakage protection module - Google Patents
Compact earth leakage protection module Download PDFInfo
- Publication number
- CN112309786A CN112309786A CN202011162839.7A CN202011162839A CN112309786A CN 112309786 A CN112309786 A CN 112309786A CN 202011162839 A CN202011162839 A CN 202011162839A CN 112309786 A CN112309786 A CN 112309786A
- Authority
- CN
- China
- Prior art keywords
- positioning block
- elastic sheet
- bottom plate
- limiting
- protection module
- 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.)
- Pending
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
- H01H71/0207—Mounting or assembling the different parts of the circuit breaker
Abstract
The invention relates to a compact leakage protection module, which comprises a bottom plate, a circuit board arranged at the bottom of the bottom plate, a first positioning block for arranging a relay, a second positioning block for arranging a piezoresistor and a magnetic ring, a first elastic sheet, a second elastic sheet and a cross bar, wherein clamping blocks are respectively arranged on the side surfaces of the first positioning block and the second positioning block, clamping buckles are arranged on the side surface of the bottom plate corresponding to the clamping blocks, the first positioning block is internally provided with a first containing cavity for containing a relay, the second positioning block is internally provided with a second containing cavity and a third containing cavity for containing a piezoresistor and a magnetic ring, one end of the first elastic sheet and one end of the second elastic sheet are fixed in the second positioning block, the other end of the first elastic sheet and the other end of the second elastic sheet are detachably arranged in the first positioning block, the cross rod is clamped and fixed at the joint of the first positioning block and the second positioning block, and the relay is used for driving the cross rod to act and driving the first elastic sheet or the second elastic sheet to act. This application compact structure, whole small, and be convenient for carry out the dismouting fixed.
Description
Technical Field
The invention relates to an electrical element, in particular to a compact leakage protection module.
Background
The leakage protector, called leakage breaker for short, is mainly used for protecting the electric shock of human body with fatal danger when the equipment has leakage fault, has the functions of overload and short circuit protection, can be used for protecting the overload and short circuit of a circuit or a motor, and can also be used for the infrequent switching and starting of the circuit under normal conditions. However, the existing earth leakage protector has a complex structure, cannot effectively restrict inductive elements such as a relay and a magnetic ring, and has a loose structure and a large integral volume, and the existing earth leakage protector does not conform to the development trend of miniaturization of the existing structure.
Disclosure of Invention
The invention aims to provide a compact leakage protection module which is compact in structure, small in overall size and convenient to disassemble, assemble and fix.
In order to achieve the purpose, the invention adopts the technical scheme that:
the invention provides a compact leakage protection module, which comprises a bottom plate, a circuit board arranged at the bottom of the bottom plate, a first positioning block for arranging a relay, a second positioning block for arranging a piezoresistor and a magnetic ring, a first elastic sheet, a second elastic sheet and a cross bar, wherein clamping blocks are respectively arranged on the side surfaces of the first positioning block and the second positioning block, and a buckle is arranged on the side surface of the bottom plate corresponding to the clamping blocks, wherein a first containing cavity for placing the relay is arranged in the first positioning block, a second containing cavity and a third containing cavity for placing the piezoresistor and the magnetic ring are arranged in the second positioning block, one end of the first elastic sheet and one end of the second elastic sheet are fixed in the second positioning block, the other end of the first elastic sheet and the other end of the second elastic sheet are detachably arranged in the first positioning block, and the cross bar is clamped and fixed at the joint of the first positioning block and the second positioning, the relay is used for driving the transverse rod to move and driving the first elastic sheet or the second elastic sheet to move.
Optionally, an L-shaped first limiting edge is arranged at the edge of the first positioning block, an L-shaped second limiting edge is arranged at the edge of the second positioning block, the first limiting edge and the second limiting edge form a U-shaped limiting groove at the joint of the first positioning block and the second positioning block, and the cross rod is clamped in the limiting groove.
Optionally, an output terminal is fixed to the circuit board.
Optionally, four corners of the bottom plate are respectively provided with a raised limiting column, and the four corners of the limiting columns form a placing cavity for arranging a circuit board on the bottom plate.
Optionally, the four corners of circuit board have the breach of L shape respectively, spacing post is the cuboid column, circuit board four corners breach card is established spacing post department.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
the compact electric leakage protection module is integrally designed at the bottom plate, the circuit board is directly embedded at the bottom of the bottom plate, and in addition, one positioning block for fixing the relay and the other positioning block for fixing the inductance element are detachably fixed above the circuit board at the bottom plate through buckling type buckle and clamping block structures.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic structural diagram of a compact earth leakage protection module according to an embodiment of the invention;
fig. 2 is a schematic diagram of an internal structure of the compact earth leakage protection module shown in fig. 1 in a state where the bottom plate and the circuit board are removed.
Wherein the reference numerals are as follows:
1. the bottom plate, 2, the circuit board, 3, first locating piece, 4, second locating piece, 5, first shell fragment, 6, second shell fragment, 7, horizontal pole, 8, relay, 9, piezo-resistor, 10, magnetic ring, 11, first spacing limit, 12, the spacing limit of second, 13, spacing post, 14, output terminal, 15, the fixture block, 16, buckle.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The embodiment describes a compact leakage protection module, as shown in fig. 1 and fig. 2, which includes a bottom plate 1, a circuit board 2 disposed at the bottom of the bottom plate 1, a first positioning block 3 for disposing a relay 8, a second positioning block 4 for disposing a varistor 9 and a magnetic ring 10, a first elastic sheet 5, a second elastic sheet 6 and a cross bar 7, wherein lateral sides of the first positioning block 3 and the second positioning block 4 are respectively provided with a fixture block 15, a side of the bottom plate 1 is provided with a buckle 16 corresponding to the fixture block 15, wherein a first cavity for disposing the relay 8 is disposed in the first positioning block 3, a second cavity and a third cavity for disposing the varistor 9 and the magnetic ring 10 are disposed in the second positioning block 4, one end of the first elastic sheet 5 and one end of the second elastic sheet 6 are fixed in the second positioning block 4, and the other end thereof is detachably disposed in the first positioning block 3, the cross rod 7 is clamped and fixed at the joint of the first positioning block 3 and the second positioning block 4, and the relay 8 is used for driving the cross rod 7 to move and driving the first elastic sheet 5 or the second elastic sheet 6 to move.
Optionally, an L-shaped first limiting edge 11 is disposed at the edge of the first positioning block 3, an L-shaped second limiting edge 12 is disposed at the edge of the second positioning block 4, the first limiting edge 11 and the second limiting edge 12 form a U-shaped limiting groove at the joint of the first positioning block 3 and the second positioning block 4, and the cross rod 7 is clamped in the limiting groove.
Alternatively, an output terminal 14 is fixed to the wiring board 2.
Optionally, four corners of the bottom plate 1 are respectively provided with a raised limiting column 13, and the four corners of the limiting column 13 form a placing cavity for arranging the circuit board 2 on the bottom plate 1. The four corners of circuit board 2 have the breach of L shape respectively, spacing post 13 is the cuboid column, 2 four corners breach cards of circuit board are established spacing post 13 department.
The compact electric leakage protection module is integrally designed at the bottom plate 1, the circuit board 2 is directly embedded at the bottom of the bottom plate 1, and in addition, a positioning block for fixing the relay 8 and another positioning block for fixing the inductance element are detachably fixed above the circuit board 2 at the bottom plate 1 through a buckled buckle 16 and clamping block 15 structure, so that the compact electric leakage protection module is compact in integral structure and small in size, simplifies the installation structure of each component, is convenient to detach and install, and better meets the requirements of users.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the invention, and not to limit the scope of the invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.
Claims (5)
1. A compact leakage protection module is characterized by comprising a bottom plate, a circuit board arranged at the bottom of the bottom plate, a first positioning block for arranging a relay, a second positioning block for arranging a piezoresistor and a magnetic ring, a first elastic sheet, a second elastic sheet and a cross bar, wherein clamping blocks are respectively arranged on the side surfaces of the first positioning block and the second positioning block, clamping buckles are arranged on the side surfaces of the bottom plate corresponding to the clamping blocks, a first containing cavity for placing the relay is arranged in the first positioning block, a second containing cavity and a third containing cavity for placing the piezoresistor and the magnetic ring are arranged in the second positioning block, one end of the first elastic sheet and one end of the second elastic sheet are fixed in the second positioning block, the other end of the first elastic sheet and the other end of the second elastic sheet are detachably arranged in the first positioning block, and the cross bar is clamped and fixed at the joint of the first positioning block and the second positioning block, the relay is used for driving the transverse rod to move and driving the first elastic sheet or the second elastic sheet to move.
2. The compact earth leakage protection module as claimed in claim 1, wherein an L-shaped first limiting edge is disposed at the edge of the first positioning block, an L-shaped second limiting edge is disposed at the edge of the second positioning block, the first and second limiting edges form a U-shaped limiting groove at the joint of the first and second positioning blocks, and the rail is clamped in the limiting groove.
3. The compact earth leakage protection module according to claim 1, characterized in that an output terminal is fixed to the wiring board.
4. The compact earth leakage protection module as claimed in claim 1, wherein four corners of said bottom plate are respectively provided with a raised limiting pillar, and said limiting pillars at four corners form a placing cavity for placing a circuit board on said bottom plate.
5. The compact earth leakage protection module as claimed in claim 4, wherein said circuit board has L-shaped notches at four corners thereof, said limiting pillar is rectangular column-shaped, and said circuit board notches at four corners thereof are engaged with said limiting pillar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011162839.7A CN112309786A (en) | 2020-10-27 | 2020-10-27 | Compact earth leakage protection module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011162839.7A CN112309786A (en) | 2020-10-27 | 2020-10-27 | Compact earth leakage protection module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112309786A true CN112309786A (en) | 2021-02-02 |
Family
ID=74330841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011162839.7A Pending CN112309786A (en) | 2020-10-27 | 2020-10-27 | Compact earth leakage protection module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112309786A (en) |
-
2020
- 2020-10-27 CN CN202011162839.7A patent/CN112309786A/en active Pending
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