CN215644341U - Signal acquisition device of intelligent miniature circuit breaker - Google Patents
Signal acquisition device of intelligent miniature circuit breaker Download PDFInfo
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- CN215644341U CN215644341U CN202121951751.3U CN202121951751U CN215644341U CN 215644341 U CN215644341 U CN 215644341U CN 202121951751 U CN202121951751 U CN 202121951751U CN 215644341 U CN215644341 U CN 215644341U
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Abstract
The utility model discloses a signal acquisition device of an intelligent miniature circuit breaker, which comprises a shell, a current transformer, a residual current transformer, a temperature sensor, a signal acquisition circuit board and a signal switching circuit board, wherein two ends of the shell are respectively provided with an external communication terminal and an external communication pin header, and the external communication pin header can be spliced with other components to acquire voltage and communicate externally. The device integrated level is high, the manufacturability is good, with low costs, can solve among the prior art intelligent empty signal acquisition device bulky, the structure is complicated, practical application is limited more and the cost is higher scheduling problem. The current transformer, the residual current transformer, the temperature sensor and the signal transfer circuit board are designed by means of limiting the degree of freedom of the shell structure, and each component only needs to be placed on the designed position correctly without adding other fixing parts. The device has the advantages of compact structure, difficult looseness, good product consistency, simple production process and working procedure and the like.
Description
Technical Field
The utility model relates to a signal acquisition device of an intelligent miniature circuit breaker, which can be used in the technical field of miniature circuit breakers.
Background
The miniature circuit breaker is widely applied to various fields such as families, businesses, industries and the like, and along with the development of intellectualization, the circuit breaker is also developed to miniaturization and intellectualization. The acquisition of measurement signals in the intelligent miniature circuit breaker is very important, and the measurement accuracy, stability and reliability of the circuit breaker are directly influenced.
The common intelligent air-switch signal acquisition device in the market at present has the advantages of large volume, complex structure, more limited practical application and higher cost. Therefore, it is an urgent need to solve the above problems in the background art by researching an intelligent air switch signal acquisition device with simple and efficient operation, high integration level, good manufacturability and low cost.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides a signal acquisition device of an intelligent miniature circuit breaker.
The purpose of the utility model is realized by the following technical scheme: a signal acquisition device of an intelligent miniature circuit breaker comprises a shell, a current transformer, a residual current transformer, a temperature sensor, a signal acquisition circuit board and a signal transfer circuit board, wherein two ends of the shell are respectively provided with an external communication terminal and an external communication pin header, and the external communication pin header can be spliced with other components to acquire voltage and communicate externally;
be provided with a N wiring hole post on the casing, the number of wiring hole post and miniature circuit breaker's number of poles phase-match, with current transformer suit on the output cable wiring hole post of wearing the live wire, the cable passes output cable wiring hole post and installs on miniature circuit breaker, and the cable just can pass current transformer, current transformer measures the electric current on the cable, and residual current transformer suit is on all output cable wiring hole posts, and residual current transformer need surround all output cable wiring hole posts.
Preferably, when all live wire and zero line cables pass through the output cable wiring hole column and are installed on the miniature circuit breaker, the surplus residual current transformer can be passed through, and the residual current of the cables can be measured by the surplus current transformer.
Preferably, the casing is provided with a temperature sensor's mounting hole site, temperature sensor sets up in the mounting hole site, and the mounting hole site sets up in the upper end of output cable wiring hole post.
Preferably, the temperature sensor comprises a detection part, and the detection part of the temperature sensor is in contact with the cable connected to the output cable wiring hole column to measure the temperature of the cable.
Preferably, the signal acquisition circuit board is fixed on the shell in a threaded manner, measurement output signal lines of the current transformer, the leakage transformer and the temperature sensor are connected to the signal acquisition circuit board, and the signal acquisition circuit board receives and processes measurement signals sent by the sensors.
Preferably, the signal acquisition circuit board is provided with a connection interface which is connected with the miniature circuit breaker controller and is used for communicating with the circuit breaker controller and interacting measurement information and control signals,
preferably, the signal switching circuit board is clamped on the shell, and the signal switching circuit board and the signal acquisition circuit board are electrically connected with the measurement acquisition board through the pin header to exchange data.
Preferably, the external communication terminals are arranged at two ends of the signal transfer circuit board, and the two external communication terminals are connected with other circuit breakers, communication modules and voltage measurement module equipment through external communication pins. The technical scheme of the utility model has the advantages that: the device integrated level is high, the manufacturability is good, with low costs, can solve among the prior art intelligent empty signal acquisition device bulky, the structure is complicated, practical application is limited more and the cost is higher scheduling problem.
The current transformer, the residual current transformer, the temperature sensor and the signal transfer circuit board are designed by means of limiting the degree of freedom of the shell structure, and each component only needs to be placed on the designed position correctly without adding other fixing parts. The device has the advantages of compact structure, difficult looseness, good product consistency, simple production process, simple working procedures and the like, saves the material cost and reduces the processing cost. The two ends of the signal transfer circuit board are provided with external communication terminals (namely the two ends of the shell), and the terminals can be in butt joint with other products such as circuit breakers, communication modules and voltage measurement modules, so that the circuit breakers, the communication modules and the voltage measurement modules can be flexibly combined, and the requirements of different use scenes can be met. Two ends of the signal switching circuit board are provided with external communication terminals (namely two ends of the shell), and the sampling pin header are connected in a female mode. When the multiple modules are assembled and installed, tool-free quick installation can be realized, the installation convenience is greatly improved, and the installation cost is saved.
Drawings
Fig. 1 is a front view of a signal collecting apparatus of an intelligent miniature circuit breaker according to the present invention.
Fig. 2 is a perspective view of a signal collecting device of an intelligent miniature circuit breaker according to the present invention.
Fig. 3 is a front view of an internal structure of a signal collecting device of an intelligent miniature circuit breaker according to the present invention.
Fig. 4 is a perspective view of an internal structure of a signal collection device of an intelligent miniature circuit breaker according to the present invention.
Fig. 5 is a front view of a signal collecting apparatus of an intelligent miniature circuit breaker according to the present invention.
Fig. 6 is a perspective view of a signal collecting device of an intelligent miniature circuit breaker according to the present invention.
Fig. 7 is a front view of a signal collecting apparatus of an intelligent miniature circuit breaker according to the present invention.
Fig. 8 is a perspective view of a signal collecting device of an intelligent miniature circuit breaker according to the present invention.
Fig. 9 is a front view of a signal collecting apparatus of an intelligent miniature circuit breaker according to the present invention.
Fig. 10 is a perspective view of a signal collecting apparatus of an intelligent miniature circuit breaker according to the present invention.
Fig. 11 is a perspective view of a signal collecting device of an intelligent miniature circuit breaker according to the present invention.
Detailed Description
Objects, advantages and features of the present invention will be illustrated and explained by the following non-limiting description of preferred embodiments. The embodiments are merely exemplary for applying the technical solutions of the present invention, and any technical solution formed by replacing or converting the equivalent thereof falls within the scope of the present invention claimed.
The utility model discloses a signal acquisition device of an intelligent miniature circuit breaker, which comprises a shell 1, a current transformer 2, a residual current transformer 3, a temperature sensor 4, a signal acquisition circuit board 5 and a signal transfer circuit board 6, as shown in figures 1, 2, 3, 4 and 5. The both ends of casing are provided with external communication terminal 7 and external communication row needle 9 respectively, other parts can be spliced to external communication row needle 9, gather voltage temperature.
Be provided with a N wiring hole post on the casing 1, the number of wiring hole post and miniature circuit breaker's number of poles phase-match is with 2 suits of current transformer on the output cable wiring hole post of wearing the live wire. The cable passes output cable wiring hole post and installs on miniature circuit breaker 10, and the cable just can pass current transformer 2, and current transformer measures the electric current on the cable, and the suit of residual current transformer 3 is on all output cable wiring hole posts, and residual current transformer 3 need surround all output cable wiring hole posts.
All live wire, zero line's cable pass output cable wiring hole post and just pass residual current transformer 3 when installing on miniature circuit breaker, and residual current transformer 3 can measure the residual current of cable. The temperature sensor is arranged in an installation hole position of the temperature sensor on the shell, and the hole position is arranged at the upper end of the output cable wiring hole column.
After the temperature sensor is installed in place, the detection part of the temperature sensor is in contact with the cable connected to the output cable wiring hole column to measure the temperature of the cable. The signal acquisition circuit board 5 is fixed on the shell 1 through two fixing screws, and measurement output signal lines of the current transformer 2, the residual current transformer 3 and the temperature sensor are connected to the signal acquisition circuit board (the measurement output signal lines are not shown in the figure) to receive and process measurement signals sent by the sensors.
The signal acquisition circuit board is provided with a connection interface 8 with the miniature circuit breaker controller, and is used for communicating with the circuit breaker controller, and interacting measurement information, control signals and the like. The signal switching circuit board 6 is fixed on the shell 1 through a clamping groove on the shell, and the signal switching circuit board 6 and the signal acquisition circuit board 5 are electrically connected with the measurement acquisition board through a pin header to exchange data. The electrical connection mode of the signal transfer circuit board 6 and the signal acquisition circuit board 5 is not limited to pin header connection.
Two ends of the signal transfer circuit board are provided with external communication terminals 7, and the two external communication terminals are connected with other circuit breakers, communication modules, voltage measurement modules and other equipment through external communication pins 9, so that different combinations and multi-model splicing can be met to meet various scene applications.
The current transformer 2, the residual current transformer 3, the temperature sensor 4 and the signal transfer circuit board 6 are designed in a mode of limiting the degree of freedom by means of a shell structure, all parts are required to be placed on the designed positions correctly, other fixing parts are not required to be added, and the installation mode is simple.
Example 1: the utility model provides a 4 utmost point intelligence miniature circuit breaker signal pickup assembly, contains the casing of 1 intelligent miniature circuit breaker of 4P of adaptation, 3 current transformer, 1 residual current transformer, 3 temperature sensor, 1 signal switching circuit board, 1 measurement acquisition circuit board.
With current transformer 2 suit on the output cable wiring hole post of wearing the live wire, the cable passes output cable wiring hole post and installs on the circuit breaker, the cable just can pass current transformer 2, current transformer measures the electric current on each live wire cable of three-phase, residual current transformer suit is on all output cable wiring hole posts, residual current transformer need surround all output cable wiring hole posts.
And all the live wires and the zero wires penetrate through the residual current transformers which are arranged on the circuit breaker and can penetrate through the output cable wiring hole columns, and the residual current transformers can measure the residual currents of the cables. The temperature sensor 4 is arranged in a temperature sensor mounting hole position on the shell, the hole position is arranged at the upper end of the output cable wiring hole column, and the detection part of the temperature sensor is in close contact with a cable connected into the output cable wiring hole column to measure the temperature of the cable.
The measurement acquisition circuit board is fixed on the shell 1 through screws, measurement output signal lines of the current transformer 2, the residual current transformer and the temperature sensor 4 are connected to the measurement acquisition circuit board (the measurement output signal lines are not shown), the measurement acquisition circuit board receives and processes measurement signals sent by the sensors, and a connection interface with the miniature circuit breaker controller 11 is arranged on the acquisition board and used for communicating with the circuit breaker controller and interacting with measurement information, control signals and the like.
The signal switching circuit board 6 is fixed on the shell 1 through a clamping groove on the shell, and the signal switching board and the sampling board are electrically connected with the measurement acquisition board through a pin header to exchange data. Two ends of the signal transfer circuit board are provided with external communication terminals 7, and the two external communication terminals are connected with other circuit breakers, communication modules, voltage measurement modules and other equipment through pins, so that functions of communication, acquisition, joint control and the like are realized.
Example 2: the utility model provides a 3 utmost point intelligence miniature circuit breaker signal pickup assembly, contains the casing of 1 intelligent miniature circuit breaker of 3P of adaptation, 3 current transformer, 1 residual current transformer, 3 temperature sensor, 1 signal switching circuit board, 1 measurement acquisition circuit board.
And sleeving the current transformer on the output cable wiring hole column penetrating the live wire. The cable passes through the output cable wiring hole column and is installed on the circuit breaker, the cable can pass through the current transformer, and the current transformer measures the current on each live wire cable of the three phases; the residual current transformers are sleeved on all the output cable wiring hole columns, and the residual current transformers need to surround all the output cable wiring hole columns.
The residual current transformer that just passed when the cable of all live wires passed output cable wiring hole post and installed on the circuit breaker, residual current transformer can measure the residual current of cable. The temperature sensor is arranged in a temperature sensor mounting hole on the shell. The hole site sets up in the upper end of output cable wiring hole post, and temperature sensor's detection portion and the cable in close contact with who inserts output cable wiring hole post measure the cable temperature. The measurement acquisition circuit board is fixed on the shell through screws, and measurement output signal wires of the current transformer, the residual current transformer and the temperature sensor are connected to the measurement acquisition circuit board (the measurement output signal wires are not shown)
The measurement acquisition circuit board receives and processes measurement signals sent by the sensors, and the acquisition board is provided with a connection interface for communicating with the circuit breaker controller and interacting measurement information, control signals and the like. The signal switching circuit board is fixed on the shell through a clamping groove in the shell, and the signal switching board and the sampling board are electrically connected with the measurement acquisition board through the pin header to exchange data.
Two ends of the signal transfer circuit board are provided with external communication terminals, and the two external communication terminals are connected with other circuit breakers, communication modules, voltage measurement modules and other equipment through pins, so that functions of communication, acquisition, joint control and the like are realized.
Example 3: the utility model provides a 2 utmost point intelligence miniature circuit breaker signal pickup assembly, contains the casing of 1P intelligence miniature circuit breaker of adaptation, 1 current transformer, 1 residual current transformer, 1 temperature sensor, 1 signal switching circuit board, 1 measurement collection circuit board.
And sleeving the current transformer on the output cable wiring hole column penetrating the live wire. The cable passes through the output cable wiring hole column and is installed on the circuit breaker, the cable can pass through the current transformer, and the current transformer measures the current on the live wire cable; the residual current transformers are sleeved on all the output cable wiring hole columns, and the residual current transformers need to surround all the output cable wiring hole columns.
And all the live wires and the zero wires penetrate through the residual current transformers which are arranged on the circuit breaker and can penetrate through the output cable wiring hole columns, and the residual current transformers can measure the residual currents of the cables. The temperature sensor is arranged in a temperature sensor mounting hole position on the shell, the hole position is arranged at the upper end of the output cable wiring hole column, and the detection part of the temperature sensor is in close contact with a cable connected into the output cable wiring hole column to measure the temperature of the cable.
The measurement acquisition circuit board is fixed on the shell through screws, measurement output signal lines of the current transformer, the residual current transformer and the temperature sensor are connected to the measurement acquisition circuit board (the measurement output signal lines are not shown in the figure), the measurement acquisition circuit board receives and processes measurement signals sent by the sensors, and a connection interface for communicating with the circuit breaker controller and interacting measurement information, control signals and the like is arranged on the acquisition board.
The signal switching circuit board is fixed on the shell through a clamping groove in the shell, and the signal switching board and the sampling board are electrically connected with the measurement acquisition board through the pin header to exchange data. Two ends of the signal transfer circuit board are provided with external communication terminals, and the two external communication terminals are connected with other circuit breakers, communication modules, voltage measurement modules and other equipment through pins, so that functions of communication, acquisition, joint control and the like are realized.
Example 4: the utility model provides a 1 utmost point intelligence miniature circuit breaker signal pickup assembly, contains the casing of 1P intelligence miniature circuit breaker of adaptation, 1 current transformer, 1 temperature sensor, 1 signal switching circuit board, 1 measurement acquisition circuit board.
And sleeving the current transformer on the output cable wiring hole column penetrating the live wire. The cable passes through the output cable wiring hole column and is installed on the circuit breaker, the cable can pass through the current transformer, and the current transformer measures the current on the cable; the temperature sensor is arranged in a temperature sensor mounting hole position on the shell, the hole position is arranged at the upper end of the output cable wiring hole column, and the detection part of the temperature sensor is in close contact with a cable connected into the output cable wiring hole column to measure the temperature of the cable.
The measurement acquisition circuit board is fixed on the shell through screws, measurement output signal lines of the current transformer and the temperature sensor are connected to the measurement acquisition circuit board (the measurement output signal lines are not shown), the measurement acquisition circuit board receives and processes measurement signals sent by the sensors, and a connection interface for communicating with the circuit breaker controller and interacting measurement information, control signals and the like is arranged on the acquisition board.
The signal switching circuit board is fixed on the shell through a clamping groove in the shell, and the signal switching board and the sampling board are electrically connected with the measurement acquisition board through the pin header to exchange data. Two ends of the signal transfer circuit board are provided with external communication terminals, and the two external communication terminals are connected with other circuit breakers, communication modules, voltage measurement modules and other equipment through pins, so that functions of communication, acquisition, joint control and the like are realized.
The current transformer, the residual current transformer, the temperature sensor and the signal transfer circuit board are designed by means of limiting the degree of freedom of the shell structure, and each component only needs to be placed on the designed position correctly without adding other fixing parts. The device has the advantages of compact structure, difficult looseness, good product consistency, simple production process, simple working procedures and the like, saves the material cost and reduces the processing cost. The two ends of the signal transfer circuit board are provided with external communication terminals (namely the two ends of the shell), and the terminals can be in butt joint with other products such as circuit breakers, communication modules and voltage measurement modules, so that the circuit breakers, the communication modules and the voltage measurement modules can be flexibly combined, and the requirements of different use scenes can be met. Two ends of the signal switching circuit board are provided with external communication terminals (namely two ends of the shell), and the sampling pin header are connected in a female mode. When the multiple modules are assembled and installed, tool-free quick installation can be realized, the installation convenience is greatly improved, and the installation cost is saved.
The utility model has various embodiments, and all technical solutions formed by adopting equivalent transformation or equivalent transformation are within the protection scope of the utility model.
Claims (8)
1. The utility model provides a signal pickup assembly of intelligence miniature circuit breaker which characterized in that: the signal acquisition device comprises a shell (1), a current transformer (2), a residual current transformer (3), a temperature sensor (4), a signal acquisition circuit board (5) and a signal transfer circuit board (6), wherein two ends of the shell are respectively provided with an external communication terminal (7) and an external communication pin header (9), and the external communication pin header (9) can be spliced with other components to acquire voltage and communicate externally;
be provided with a N wiring hole post on casing (1), the number of wiring hole post and miniature circuit breaker (10) the number phase-match of utmost point, with current transformer (2) suit on the output cable wiring hole post of wearing the live wire, the cable passes on output cable wiring hole post installs miniature circuit breaker (10), current transformer (2) just can be passed to the cable, the current on the current transformer measurement cable, residual current transformer (3) suit is on all output cable wiring hole posts, residual current transformer (3) need surround all output cable wiring hole posts.
2. The signal collecting device of an intelligent small-sized circuit breaker according to claim 1, wherein: when the cables of all live wires and zero lines pass through the output cable wiring hole column and are installed on the miniature circuit breaker, the excess current transformers (3) can be passed through, and the residual currents of the cables can be measured by the excess current transformers (3).
3. The signal collecting device of an intelligent small-sized circuit breaker according to claim 1, wherein: the temperature sensor is arranged in the mounting hole, and the mounting hole is arranged at the upper end of the output cable wiring hole column.
4. The signal collecting device of an intelligent small-sized circuit breaker according to claim 3, wherein: the temperature sensor comprises a detection part, and the detection part of the temperature sensor is in contact with the cable connected into the output cable wiring hole column to measure the temperature of the cable.
5. The signal collecting device of an intelligent small-sized circuit breaker according to claim 3, wherein: the signal acquisition circuit board (5) is fixed on the shell (1) in a threaded manner, measurement output signal lines of the current transformer (2), the residual current transformer (3) and the temperature sensor are connected onto the signal acquisition circuit board (5), and the signal acquisition circuit board receives and processes measurement signals sent by the sensors.
6. The signal collecting device of an intelligent small-sized circuit breaker according to claim 1, wherein: the signal acquisition circuit board is provided with a connection interface (8) connected with the miniature circuit breaker controller, and the connection interface is used for communicating with the circuit breaker controller and interacting measurement information and control signals.
7. The signal collecting device of an intelligent small-sized circuit breaker according to claim 1, wherein: the signal switching circuit board (6) is clamped on the shell (1), and the signal switching circuit board (6) and the signal acquisition circuit board (5) are electrically connected with the measurement acquisition board through the pin header to exchange data.
8. The signal collecting device of an intelligent small-sized circuit breaker according to claim 1, wherein: the external communication terminals (7) are arranged at two ends of the signal transfer circuit board, and the two external communication terminals are connected with other circuit breakers, communication modules and voltage measurement module equipment through external communication pins (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121951751.3U CN215644341U (en) | 2021-08-19 | 2021-08-19 | Signal acquisition device of intelligent miniature circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121951751.3U CN215644341U (en) | 2021-08-19 | 2021-08-19 | Signal acquisition device of intelligent miniature circuit breaker |
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| Publication Number | Publication Date |
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| CN215644341U true CN215644341U (en) | 2022-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121951751.3U Active CN215644341U (en) | 2021-08-19 | 2021-08-19 | Signal acquisition device of intelligent miniature circuit breaker |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114783836A (en) * | 2022-04-22 | 2022-07-22 | 福建鑫博亿电力科技有限公司 | Primary and secondary circuit separation method of low-voltage circuit breaker |
-
2021
- 2021-08-19 CN CN202121951751.3U patent/CN215644341U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114783836A (en) * | 2022-04-22 | 2022-07-22 | 福建鑫博亿电力科技有限公司 | Primary and secondary circuit separation method of low-voltage circuit breaker |
| CN114783836B (en) * | 2022-04-22 | 2023-12-26 | 福建鑫博亿电力科技有限公司 | Secondary circuit separation method of low-voltage circuit breaker |
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