CN112103148A - Single-pole circuit breaker - Google Patents
Single-pole circuit breaker Download PDFInfo
- Publication number
- CN112103148A CN112103148A CN202011038274.1A CN202011038274A CN112103148A CN 112103148 A CN112103148 A CN 112103148A CN 202011038274 A CN202011038274 A CN 202011038274A CN 112103148 A CN112103148 A CN 112103148A
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- CN
- China
- Prior art keywords
- circuit breaker
- main body
- voltage detection
- bottom wall
- hole
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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
- H01H71/04—Means for indicating condition of the switching device
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0084—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring voltage only
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Distribution Board (AREA)
- Breakers (AREA)
Abstract
The invention discloses a single-pole circuit breaker, which comprises a circuit breaker main body, a circuit breaker control unit and a circuit breaker control unit, wherein the circuit breaker main body is provided with a main loop input terminal, a main loop output terminal and a switch assembly connected between the main loop input terminal and the main loop output terminal; the bottom of the breaker main body is provided with a clamping groove for mounting the breaker main body on a guide rail; the circuit control board is arranged in the circuit breaker main body and is provided with a first voltage detection end and a second voltage detection end, and the first voltage detection end is electrically connected between the main loop input terminal and the switch assembly; and the power taking part is arranged on the circuit breaker main body, one end of the power taking part is electrically connected with the second voltage detection end, the other end of the power taking part is arranged in the clamping groove, so that when the circuit breaker main body is arranged on the guide rail, the power taking part is electrically connected with the guide rail, and the guide rail is grounded and connected with the other pole of the power supply, so that a voltage difference is formed between the first voltage detection end and the second voltage detection end. The invention provides a single-pole circuit breaker which can conveniently realize voltage detection.
Description
Technical Field
The invention relates to the technical field of single-pole circuit breakers, in particular to a single-pole circuit breaker.
Background
The voltage detection must have two terminals to realize positive and negative pressure difference, and the single-pole circuit breaker in the prior art has only one power line, so that the voltage detection is difficult to realize.
Disclosure of Invention
The invention mainly aims to provide a single-pole circuit breaker which can conveniently realize voltage detection.
To achieve the above object, the present invention provides a single-pole circuit breaker including:
the circuit breaker comprises a circuit breaker main body and a circuit breaker, wherein the circuit breaker main body is provided with a main loop input terminal, a main loop output terminal and a switch assembly, the switch assembly is connected between the main loop input terminal and the main loop output terminal, and the switch assembly is used for controlling the connection or disconnection between the main loop input terminal and the main loop output terminal; the bottom of the breaker main body is provided with a clamping groove for the breaker main body to be mounted on a guide rail;
the circuit control board is arranged in the circuit breaker main body and provided with a first voltage detection end and a second voltage detection end, and the first voltage detection end is electrically connected between the main loop input terminal and the switch assembly; and
the power acquisition part is arranged on the circuit breaker main body, one end of the power acquisition part is electrically connected with the second voltage detection end, and the other end of the power acquisition part is arranged in the clamping groove, so that the circuit breaker main body is arranged on the guide rail and is electrically connected with the guide rail, and a voltage difference is formed between the first voltage detection end and the second voltage detection end.
In one embodiment, the electricity-taking piece is a conductive elastic piece.
In an embodiment, the clamping groove has a bottom wall and two opposite side walls connected to the bottom wall, an opening is formed at one end of each of the two side walls far away from the bottom wall, and the opening is opposite to the bottom wall.
In an embodiment, a first through hole through which the conductive elastic sheet passes is formed in a position, close to one of the side walls, of the bottom wall, a second through hole is formed in the side wall, close to the first through hole, of the bottom wall, one end of the conductive elastic sheet is fixed to the circuit control board, and the other end of the conductive elastic sheet passes through the first through hole and then is inserted into the second through hole.
In an embodiment, the slot is disposed in a trapezoidal shape in a direction from the opening to the bottom wall or the two side walls are disposed in a relatively close manner in a direction from the bottom wall to the opening.
In one embodiment, the bottom of the breaker main body is provided with a first mounting seat and a second mounting seat, the first mounting seat and the second mounting seat are arranged oppositely, and the clamping groove is defined between the first mounting seat, the second mounting seat and the bottom of the breaker main body; the electricity taking piece is arranged close to the first mounting seat or the second mounting seat.
In one embodiment, the circuit breaker main body is provided with a mounting post, the conductive elastic sheet is provided with a fixing hole, and the conductive elastic sheet passes through the fixing hole through a screw and then is in threaded connection with the mounting post so as to fasten the conductive elastic sheet on the mounting post.
In one embodiment, one end of the mounting post is fixed on one side wall of the breaker main body, the other end of the mounting post penetrates through the circuit control board, and the other end of the mounting post is provided with a screw hole in threaded connection with the screw.
In an embodiment, the conductive elastic sheet is provided with a mounting plate, the mounting plate is vertically connected with the conductive elastic sheet, the fixing hole is formed in the mounting plate, the surface of the conductive elastic sheet faces the side wall of the mounting plate, and the mounting plate is attached to one end, away from the circuit control board, of the mounting column.
In an embodiment, the bottom of the circuit breaker main body further has an arc outlet, and the arc outlet is opened on the bottom wall of the card slot.
According to the technical scheme, a first voltage detection end on a circuit control board is electrically connected between a main loop input terminal and a switch assembly to form one of a positive electrode and a negative electrode of voltage detection, a first electricity taking piece of a second voltage detection end on the circuit control board is connected with a guide rail of power distribution equipment through the electricity taking piece to form the other of the positive electrode and the negative electrode of the voltage detection, and the guide rail is grounded and connected with the other of a power supply, so that two terminals of the voltage detection form a voltage difference, and the voltage detection of the circuit breaker is realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic perspective view of a single-pole circuit breaker according to an embodiment of the present invention;
FIG. 2 is another perspective view of FIG. 1;
fig. 3 is a schematic view illustrating an installation structure of the single pole circuit breaker and the guide rail according to the present invention;
FIG. 4 is another perspective view of FIG. 3;
fig. 5 is a schematic view of an installation structure of an embodiment of a conductive elastic sheet.
The objects, features and advantages of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides a single-pole circuit breaker.
Referring to fig. 1 to 4, in an embodiment, a single-pole circuit breaker according to the present invention includes:
a circuit breaker main body 100 having a main circuit input terminal, a main circuit output terminal 110, and a switch assembly 120, the switch assembly 120 being connected between the main circuit input terminal and the main circuit output terminal 110, the switch assembly 120 being for controlling on/off between the main circuit input terminal and the main circuit output terminal 110; the bottom of the breaker main body 100 is provided with a card slot 101 for mounting on a guide rail 50 of power distribution equipment;
a circuit control board (not shown) provided in the circuit breaker main body 100, the circuit control board having a first voltage detection terminal and a second voltage detection terminal, the first voltage detection terminal being electrically connected between the main circuit input terminal and the switch assembly 120; and
the power acquisition part 200 is arranged on the circuit breaker main body 100, one end of the power acquisition part 200 is electrically connected with the second voltage detection end, and the other end of the power acquisition part 200 is arranged in the clamping groove 101, so that the circuit breaker main body 100 is arranged on the guide rail 50 and electrically connected with the guide rail 50, and a voltage difference is formed between the first voltage detection end and the second voltage detection end.
In this embodiment, the switch assembly 120 is mainly a manual switch, and switching on and off is realized by manual control, and of course, an automatic switching on and off is realized by including a driving assembly. The circuit board may be installed along a sidewall of the breaker body 100 to reduce space occupation. The circuit control board may be provided with a voltage sampling circuit, a current sampling circuit, an electric quantity metering circuit, an overcurrent protection circuit, a wireless module, a motor driving circuit, and the like, without limitation. The first voltage detection end and the second voltage detection end are two voltage detection ends on the circuit control board, are connected with a circuit sampling circuit on the circuit control board and are used as detection signal input ports.
Since this embodiment is to the voltage detection of single-pole circuit breaker, single-pole circuit breaker can be single-pole direct current circuit breaker or single-pole alternating current circuit breaker, all can adopt the scheme of this embodiment. For unipolar detection, two terminals (different polarities) are required to realize positive and negative voltage difference, namely, a positive electrode and a ground reference signal, so that voltage detection can be realized. In this embodiment, the first detection terminal is connected to the main circuit to form one polarity, and then the power-taking element 200 connected to the second detection terminal is provided to implement connection of the other polarity. It should be noted that the circuit breaker is generally used in power distribution equipment such as an electric cabinet, power supply equipment, and a power distribution cabinet, and the power distribution equipment is generally provided with a guide rail 50 for installing the circuit breaker or other electrical switches. The guide rail 50 is connected to one of the positive and negative poles of the power distribution equipment, for example, the dc positive pole of the power distribution power supply is generally grounded in dc power distribution, and therefore, the guide rail 50 itself is generally grounded and connected to the dc positive pole of the power distribution power supply. The electric cabinet is the grounding of the guide rail 50, and forms a reference ground. Therefore, after the first and second detection terminals are mounted on the rail 50, it is ensured that the first and second detection terminals have different voltage polarities, and a voltage difference can be formed. When the circuit breaker is installed on the guide rail 50 in the distribution equipment, the power taking part 200 is connected with one of the positive electrode and the negative electrode of the power supply in the distribution equipment through the guide rail 50, so that a voltage difference is formed between the first voltage detection end and the second voltage detection end on the circuit control board, and the voltage of the circuit breaker is detected. It should be further noted that, in practice, the positive and negative polarities of the voltages of the first detection terminal and the second detection terminal are not limited, and the positive and negative polarities can be selected, because the voltage is the voltage difference between the two terminals.
The power receiving element 200 may be a conductive wire, a metal sheet, or an elastic contact that can be telescopically arranged, and is not limited herein as long as the second voltage detecting terminal can be electrically connected to the guide rail 50. The electricity taking part 200 is preferably arranged in the embodiment and is a conductive elastic sheet, the conductive elastic sheet is easy to process and install, the occupied space is small, the elasticity is realized, and the installation difficulty of the circuit breaker on the guide rail 50 cannot be increased due to larger rigidity. In this embodiment, the power extractor 200 may be soldered on a circuit board or fixed by a mounting base. In one embodiment, the conductive elastic piece is detachably mounted on the breaker main body 100. This kind of mounting means, electrically conductive shell fragment can be dismantled, can change when electrically conductive shell fragment is relatively poor, the maintenance of being convenient for, compare in moreover and weld on the circuit control board, the installation back does not have direct rigid connection with the circuit control board, avoids causing the influence or receive stress extrusion desoldering to the circuit control board when slip, installation.
It can be understood that, the first voltage detection end on the circuit control board is electrically connected between the main circuit input terminal and the switch assembly 120 to form one of the positive and negative voltage detection poles, the second voltage detection end on the circuit control board is connected to the power taking part 200, and the power taking part 200 is grounded, so that the two voltage detection terminals form a voltage difference, and thus, the detection of the voltage of the circuit breaker is realized.
In an embodiment, referring to fig. 5 in combination, the breaker body 100 is provided with a mounting plate 150 (not shown), and the conductive dome is provided with a fixing hole, and is screwed with the mounting plate 150 after passing through the fixing hole by a screw, so as to fasten the conductive dome to the mounting plate 150. In this embodiment, the mounting plate 150 and the screws are used for matching, so that the conductive elastic sheet can be simply and effectively detachably mounted on the circuit breaker main body 100.
Further, one end of the mounting plate 150 is fixed to one side wall of the circuit breaker main body 100, the other end of the mounting plate passes through the circuit control board, and the other end of the mounting plate 150 is provided with a screw hole in threaded connection with the screw. In this embodiment, the conductive elastic sheet is located between the circuit control board and a side wall of the circuit breaker main body 100 adjacent to the circuit control board. In this manner, the mounting plate 150 also positions the circuit panel and avoids interfering with the mounting of other components of the circuit breaker body 100, such as the switch assembly 120, the arc striking assembly, and the like.
Further, the conductive elastic sheet is provided with a mounting plate 210, the mounting plate 210 is vertically connected with the conductive elastic sheet, the fixing hole is formed in the mounting plate 210, the surface of the conductive elastic sheet faces the side wall of the mounting plate 150, and the mounting plate 210 is attached to one end, far away from the circuit control board, of the mounting plate 150. This kind of mounting means, electrically conductive shell fragment can be dismantled, can change when electrically conductive shell fragment is relatively poor, the maintenance of being convenient for, compare in moreover and weld on the circuit control board, the installation back does not have direct rigid connection with the circuit control board, avoids causing the influence or receive stress extrusion desoldering to the circuit control board when slip, installation.
In an embodiment, the clamping groove 101 has a bottom wall and two opposite side walls connected to the bottom wall, and an opening is formed at one end of each of the two side walls away from the bottom wall, and the opening is opposite to the bottom wall. The card slot 101 of the present embodiment penetrates the breaker body 100 in the thickness direction thereof, and thus the breaker body 100 can be easily attached to the guide rail 50. In this embodiment, the power extractor 200 may be disposed to extend from the bottom wall into the slot 101.
In this embodiment, a first through hole through which the conductive elastic piece passes is formed in a position of the bottom wall close to one of the side walls, a second through hole is formed in the side wall close to the first through hole, one end of the conductive elastic piece is fixed on the circuit control board, and the other end of the conductive elastic piece passes through the first through hole and then is inserted into the second through hole. Wherein, both ends of the conductive elastic sheet are located in the circuit breaker main body 100.
In this embodiment, further, the slot 101 is disposed in a trapezoidal shape from the opening to the bottom wall or the two side walls are disposed close to each other from the bottom wall to the opening. It can be understood that, in this embodiment, when the circuit breaker main body 100 is slidably mounted on the guide rail 50, the bottom wall and the two side walls are located at two sides of the guide rail 50 relatively, so as to form a limit position, and should not be separated, thereby ensuring the reliability after mounting.
In an embodiment, the power extractor 200 is disposed at an edge of the card slot 101, so that the power extractor 200 can be prevented from interfering with the installation of the breaker main body 100 and the guide rail 50 or causing poor sliding after installation.
In an embodiment, the bottom of the circuit breaker main body 100 has a first mounting seat and a second mounting seat, the first mounting seat and the second mounting seat are oppositely disposed, and the first mounting seat, the second mounting seat and the bottom of the circuit breaker main body 100 define the card slot 101 therebetween.
The power taking part 200 is arranged close to the first mounting seat or the second mounting seat, so that the power taking part 200 can be prevented from obstructing the installation of the breaker main body 100 and the guide rail 50, or the power taking part can not slide smoothly after being installed.
In an embodiment, the bottom of the circuit breaker main body 100 further has an arc outlet, and the arc outlet is opened on the bottom wall of the card slot 101. The arc discharge hole is formed in the clamping groove 101, so that the arc can be discharged onto the guide rail 50 and flows into the ground wire, and the influence on other elements caused by the arrangement of other side surfaces of the circuit breaker main body 100 is avoided.
The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A single-pole circuit breaker, comprising:
the circuit breaker comprises a circuit breaker main body and a circuit breaker, wherein the circuit breaker main body is provided with a main loop input terminal, a main loop output terminal and a switch assembly, the switch assembly is connected between the main loop input terminal and the main loop output terminal, and the switch assembly is used for controlling the connection or disconnection between the main loop input terminal and the main loop output terminal; the bottom of the breaker main body is provided with a clamping groove for the breaker main body to be arranged on a guide rail of distribution equipment;
the circuit control board is arranged in the circuit breaker main body and provided with a first voltage detection end and a second voltage detection end, and the first voltage detection end is electrically connected between the main loop input terminal and the switch assembly; and
the power acquisition part is arranged on the circuit breaker main body, one end of the power acquisition part is electrically connected with the second voltage detection end, and the other end of the power acquisition part is arranged in the clamping groove, so that the circuit breaker main body is arranged on the guide rail and is electrically connected with the guide rail, and a voltage difference is formed between the first voltage detection end and the second voltage detection end.
2. The single pole circuit breaker as in claim 1, wherein said current pick-up member is a conductive spring.
3. The single pole circuit breaker as in claim 2, wherein said notch has a bottom wall and opposing side walls connecting said bottom wall, an end of said side walls distal from said bottom wall defining an opening, said opening facing said bottom wall.
4. The single-pole circuit breaker according to claim 3, wherein a first through hole is formed in a position of the bottom wall close to one of the side walls, through which the conductive elastic piece is inserted, and a second through hole is formed in the side wall close to the first through hole, one end of the conductive elastic piece is fixed to the circuit control board, and the other end of the conductive elastic piece is inserted into the second through hole after passing through the first through hole.
5. A single pole circuit breaker as claimed in claim 3, wherein said slot is trapezoidal in a direction from said opening to said bottom wall or said side walls are relatively close together in a direction from said bottom wall to said opening.
6. The single pole circuit breaker as in any one of claims 1-5, wherein the bottom of the circuit breaker body has a first mounting seat and a second mounting seat, the first and second mounting seats being oppositely disposed, the first and second mounting seats and the bottom of the circuit breaker body defining the card slot therebetween; the electricity taking piece is arranged close to the first mounting seat or the second mounting seat.
7. The single-pole circuit breaker according to claim 2, wherein the circuit breaker body is provided with a mounting post, and the conductive resilient piece is provided with a fixing hole, and is screwed with the mounting post after passing through the fixing hole by a screw, so as to fasten the conductive resilient piece to the mounting post.
8. The single pole circuit breaker as claimed in claim 2, wherein one end of said mounting post is fixed to a side wall of said breaker body, and the other end is disposed through said circuit control board, said other end of said mounting post being provided with a screw hole to which said screw is screw-coupled.
9. The single-pole circuit breaker according to claim 8, wherein the conductive clip is provided with a mounting plate, the mounting plate is vertically connected to the conductive clip, the fixing hole is formed in the mounting plate, a surface of the conductive clip faces a side wall of the mounting plate, and the mounting plate is attached to an end of the mounting post away from the circuit board.
10. The single-pole circuit breaker as claimed in claim 1, wherein the circuit breaker main body further has an arc-striking exit hole at a bottom wall thereof, the arc-striking exit hole being opened on the bottom wall of the card slot.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011038274.1A CN112103148A (en) | 2020-09-27 | 2020-09-27 | Single-pole circuit breaker |
| CN202011471061.8A CN112397354A (en) | 2020-09-27 | 2020-12-14 | Single-pole circuit breaker |
| PCT/CN2020/138113 WO2022062214A1 (en) | 2020-09-27 | 2020-12-21 | Single-pole circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011038274.1A CN112103148A (en) | 2020-09-27 | 2020-09-27 | Single-pole circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112103148A true CN112103148A (en) | 2020-12-18 |
Family
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011038274.1A Pending CN112103148A (en) | 2020-09-27 | 2020-09-27 | Single-pole circuit breaker |
| CN202011471061.8A Pending CN112397354A (en) | 2020-09-27 | 2020-12-14 | Single-pole circuit breaker |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011471061.8A Pending CN112397354A (en) | 2020-09-27 | 2020-12-14 | Single-pole circuit breaker |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN112103148A (en) |
| WO (1) | WO2022062214A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022062214A1 (en) * | 2020-09-27 | 2022-03-31 | 深圳曼顿科技有限公司 | Single-pole circuit breaker |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE112006004149A5 (en) * | 2006-09-21 | 2009-09-03 | Siemens Aktiengesellschaft | Switchgear with integrated main current tap |
| CN205003255U (en) * | 2015-07-31 | 2016-01-27 | 天津中电华利电器科技集团有限公司 | Detection protection device of electric leakage circuit breaker |
| CN205283089U (en) * | 2016-01-13 | 2016-06-01 | 北京兴天通电讯科技有限公司 | A alternating current -direct current lightning prevention box for photovoltaic power plant of family |
| CN105513915B (en) * | 2016-02-15 | 2017-09-12 | 佳一电气有限公司 | A kind of intelligent breaker combination unit |
| CN108597962B (en) * | 2018-03-22 | 2020-09-08 | 华为技术有限公司 | Miniature circuit breaker and control method and system thereof |
| CN112103148A (en) * | 2020-09-27 | 2020-12-18 | 深圳曼顿科技有限公司 | Single-pole circuit breaker |
-
2020
- 2020-09-27 CN CN202011038274.1A patent/CN112103148A/en active Pending
- 2020-12-14 CN CN202011471061.8A patent/CN112397354A/en active Pending
- 2020-12-21 WO PCT/CN2020/138113 patent/WO2022062214A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022062214A1 (en) * | 2020-09-27 | 2022-03-31 | 深圳曼顿科技有限公司 | Single-pole circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112397354A (en) | 2021-02-23 |
| WO2022062214A1 (en) | 2022-03-31 |
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