CN111463078A - Electric connection terminal of plug-in circuit breaker - Google Patents
Electric connection terminal of plug-in circuit breaker Download PDFInfo
- Publication number
- CN111463078A CN111463078A CN201910054674.2A CN201910054674A CN111463078A CN 111463078 A CN111463078 A CN 111463078A CN 201910054674 A CN201910054674 A CN 201910054674A CN 111463078 A CN111463078 A CN 111463078A
- Authority
- CN
- China
- Prior art keywords
- plate
- contact plate
- circuit breaker
- plug
- connection terminal
- 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.)
- Withdrawn
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052802 copper Inorganic materials 0.000 claims abstract description 9
- 239000010949 copper Substances 0.000 claims abstract description 9
- 238000003466 welding Methods 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 abstract description 3
- 239000010935 stainless steel Substances 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 abstract 1
- 238000012856 packing Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000615 nonconductor Substances 0.000 description 1
Images
Classifications
-
- 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
- H01H71/08—Terminals; Connections
Landscapes
- Breakers (AREA)
Abstract
The invention discloses an electric connecting terminal of a plug-in circuit breaker, which comprises a conductive plate (1), a contact plate (2) and a spring piece (3), and is characterized in that: the current conducting plate (1) with contact plate (2) formula as an organic whole, contact plate (2) with spring leaf (3) set up relatively and are fixed together, contact plate (2) with the middle part of spring leaf (3) is drawn in relatively inboard and is formed socket (4). This electric connection terminal, binding post adopt red copper current conducting plate and the mode that the spring leaf combined together, and the packing force of electricity connection has been guaranteed to the stainless steel spring leaf, and the red copper current conducting plate of integral type has guaranteed that circuit breaker resistance is little and stable.
Description
Technical Field
The invention belongs to the technical field of circuit breaker accessories, and particularly relates to an electric connection terminal of a plug-in circuit breaker.
Background
Circuit breakers are classified into high-voltage circuit breakers and low-voltage circuit breakers according to their range of use. The low-voltage circuit breaker is also called an automatic switch, and is an electric appliance which not only has the function of a manual switch, but also can automatically perform voltage loss, undervoltage, overload and short-circuit protection. It can be used to distribute electric energy, start asynchronous motor infrequently, protect power supply circuit and motor, and has been widely used.
The circuit breaker is used for connecting the main circuit and an external circuit. Generally, the wiring terminal is arranged to be connected with an external lead, the wiring terminal of the traditional circuit breaker is in a screw type wiring mode at present, the force application direction of wiring operation is perpendicular to the wiring direction, namely, the direction of external force for wiring operation is not in the same direction as the wiring direction of the lead, at least two directions of space are needed in the wiring process of the wiring terminal to operate, but some circuit breakers need to be installed in a narrow space at present, only the wiring direction of the circuit breaker has space for wiring operation, and the wiring terminal cannot meet the wiring connection of the wiring terminal under the condition at present. When the elastic sheet type wiring mode is used for electric connection with smaller current specification, but when the elastic sheet type wiring mode is used for connecting wires with large current specification, the resistivity of the conductive elastic part is large, welding spots exist between the conductive elastic part and the internal conductive part, the resistance is large and unstable, and the temperature of the circuit breaker rises.
Disclosure of Invention
Aiming at the existing screw type wiring mode, the operation direction is vertical to the wiring direction, and the occupied space is large; the elastic sheet type wiring mode has the technical defects that when the elastic sheet type wiring mode is used for connecting a wire with a large current specification, the resistivity of a conductive elastic part is large, welding spots exist between the conductive elastic part and an internal conductive part, the resistance is large and unstable, and the temperature rise of a circuit breaker is high.
Technical scheme
In order to achieve the above technical object, an electrical connection terminal of a plug-in circuit breaker according to the present invention includes a conductive plate, a contact plate and a spring plate, and is characterized in that: the conductive plate and the contact plate are integrated, the contact plate and the spring piece are oppositely arranged and fixed together, and the middle parts of the contact plate and the spring piece are relatively folded inwards to form a socket.
Further, the contact plate and the spring piece are in close contact or a gap smaller than 1mm exists at the waist part of the socket;
furthermore, the contact plate is comb-shaped and made of a conductive material.
Further, the contact plate is preferably made of red copper.
Furthermore, one end of the spring leaf is in a comb shape corresponding to the contact plate, and the other end of the spring leaf is fixedly arranged on the upper surface of the conductive plate through riveting or welding.
Further, the lower surface of the contact plate is also provided with a supporting plate, and the shape of the supporting plate is opposite to that of the contact plate 2 and is applied to be tightly attached to the contact plate;
further, the supporting plate is an elastic piece;
further, the spring plate can also be a conductive elastic element.
Advantageous effects
According to the electric connection terminal of the plug-in circuit breaker, the connection terminal adopts a mode of combining the red copper conductive plate and the spring piece, the stainless steel spring piece ensures the pressing force of electric connection, and the integrated red copper conductive plate ensures that the circuit breaker is small in resistance and stable.
Drawings
FIG. 1 is a perspective view of embodiment 1 of the present invention;
FIG. 2 is a schematic structural view of embodiment 1 of the present invention;
fig. 3 is a schematic structural diagram of a contact plate in embodiment 1 of the present invention;
fig. 4 is a schematic structural view of a spring plate in embodiment 1 of the present invention.
FIG. 5 is a schematic structural view of embodiment 2 of the present invention;
FIG. 6 is a schematic diagram of the embodiment 2 of the present invention showing the insertion of an external connection wire;
fig. 7 is a schematic view of the installation structure of embodiment 2 of the present invention.
Detailed Description
The invention is further explained below with reference to the figures and examples.
Example one
As shown in fig. 1 and 2, an electrical connection terminal of a plug-in circuit breaker includes a conductive plate 1, a contact plate 2 and a spring plate 3, wherein the conductive plate 1 and the contact plate 2 are conductors, the spring plate 3 is a nonconductor, the conductive plate 1 and the contact plate 2 are integrated, the contact plate 2 and the spring plate 3 are oppositely disposed and fixed together, the middle portions of the contact plate 2 and the spring plate 3 are relatively inwardly folded to form a socket 4, and in this embodiment, the socket 4 is a kidney-shaped opening.
The contact plate and the spring piece are in close contact or a gap smaller than 1mm exists at the waist part 401 of the socket 4;
as shown in fig. 3, the contact plate 2 is comb-shaped, and the contact plate 2 is made of conductive material.
The contact plate 2 is preferably made of red copper.
As shown in fig. 4, one end of the spring plate 3 is comb-shaped corresponding to the contact plate 2, and the other end is fixedly attached to the upper surface of the conductive plate 1 by riveting or welding, in this embodiment, the spring plate is fixedly attached to the upper surface of the conductive plate 1 by using a rivet 6.
Example two
As shown in fig. 5, the lower surface of the contact plate 2 is further provided with a support plate 5, and the support plate 5 is opposite to the contact plate 2 in shape and is applied to be close to the contact plate 2; as shown in fig. 6, when the external wires 7 are inserted into the socket 4, the supporting plate 5 is an elastic member to prevent the contact plate 2 from deforming; as shown in fig. 7, the electrical connection terminal is disposed in the circuit breaker casing a to electrically connect the external lead with the inside.
EXAMPLE III
The spring plate 3 can also be a conductive elastic member which can further reduce the resistance of the terminal.
According to the electric connection terminal of the plug-in circuit breaker, the connection terminal adopts a mode of combining the red copper conductive plate and the spring piece, the stainless steel spring piece ensures the pressing force of electric connection, and the integrated red copper conductive plate ensures that the circuit breaker is small in resistance and stable.
The structure, ratio, size and the like shown in the drawings of the present embodiment are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the limit conditions of the present invention, so that the present invention has no technical essence, and any structural modification, ratio relationship change or size adjustment should still fall within the scope of the present invention without affecting the function and the achievable purpose of the present invention. In addition, the terms such as "upper", "lower", "left", "right", "middle", "clockwise" and "counterclockwise" used in the present specification are for clarity of description only, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not limited by the technical contents of the substantial changes, but also considered to be the scope of the present invention.
Claims (8)
1. The utility model provides an electric connection terminal of plug-in circuit breaker, includes current conducting plate (1), contact plate (2) and spring leaf (3), its characterized in that: the current conducting plate (1) with contact plate (2) formula as an organic whole, contact plate (2) with spring leaf (3) set up relatively and are fixed together, contact plate (2) with the middle part of spring leaf (3) is drawn in relatively inboard and is formed socket (4).
2. An electrical connection terminal of a plug-in circuit breaker according to claim 1, characterized in that: the contact plate and the spring piece are in close contact or have a gap smaller than 1mm at the waist part (401) of the socket (4).
3. An electrical connection terminal of a plug-in circuit breaker according to claim 1, characterized in that: the contact plate (2) is comb-shaped, and the contact plate (2) is made of a conductive material.
4. An electrical connection terminal of a plug-in circuit breaker according to claim 3, characterized in that: the contact plate (2) is preferably made of red copper.
5. An electrical connection terminal of a plug-in circuit breaker according to claim 1, characterized in that: one end of the spring piece (3) is in a comb shape corresponding to the contact plate (2), and the other end of the spring piece is fixedly arranged on the upper surface of the conductive plate (1) through riveting or welding.
6. An electrical connection terminal of a plug-in circuit breaker according to claim 1, characterized in that: the lower surface of the contact plate (2) is also provided with a support plate (5), and the support plate (5) corresponds to the contact plate (2) in shape and is used for tightly adhering to the contact plate (2).
7. An electrical connection terminal of a plug-in circuit breaker according to claim 6, characterized in that: the supporting plate (5) is an elastic piece.
8. An electrical connection terminal of a plug-in circuit breaker according to claim 1, characterized in that: the spring plate (3) can also be an electrically conductive elastic element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910054674.2A CN111463078A (en) | 2019-01-21 | 2019-01-21 | Electric connection terminal of plug-in circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910054674.2A CN111463078A (en) | 2019-01-21 | 2019-01-21 | Electric connection terminal of plug-in circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111463078A true CN111463078A (en) | 2020-07-28 |
Family
ID=71684916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910054674.2A Withdrawn CN111463078A (en) | 2019-01-21 | 2019-01-21 | Electric connection terminal of plug-in circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111463078A (en) |
-
2019
- 2019-01-21 CN CN201910054674.2A patent/CN111463078A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200728 |