Cost control circuit structure based on reclosing
By designing a fee control circuit structure based on reclosing, and using the main control module and motor module to realize remote intelligent control of the reclosing, the problem that traditional reclosing is difficult to meet the requirements of intelligent control circuits is solved, and efficient and reliable operation of the circuit is achieved.
Patent Information
- Application Number
- CN202422657364.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-31
- Publication Date
- 2025-09-19
- Estimated Expiration
- 2034-10-31
AI Technical Summary
Traditional reclosing circuit breakers cannot meet the requirements of intelligent control circuits, especially in terms of remote control and automatic fault recovery.
A fee control circuit structure based on reclosing is designed, which includes a power supply module, a main control module, a motor module, a limit switch and an indicator light module. The main control module controls the motor module to realize remote intelligent control of the reclosing, and the limit switch and indicator light module provide in-place signals and status prompts.
It realizes remote intelligent control of the reclosing switch, avoids motor burnout, extends the service life of the reclosing switch, and reduces maintenance costs.
Smart Images

Figure CN223363817U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of circuit technology, in particular to a fee control circuit structure based on reclosing. Background Art
[0002] The reclosing switch is an important component used in power systems. It is used to deal with the problem of circuit tripping due to instantaneous faults. The reclosing switch closes the circuit to quickly restore power supply and reduce power outage time. Traditional reclosing switches use a structure where relays adsorb contacts to restore power. If the reclosing switch is disconnected for a long time, the relay cannot be re-attracted and manual reclosing is required. With the popularization of intelligent power systems, traditional reclosing switches are difficult to meet the needs of current intelligent control circuits. Summary of the Invention
[0003] In order to overcome the shortcomings of the background technology, the technical solution adopted by the utility model is: a fee control circuit structure based on reclosing, including a power supply module, a main control module, a motor module, a limit switch and an indicator light module. The power supply module is electrically connected to the main control module and the motor module and provides power. The main control module is electrically connected to the motor module for controlling the motor drive, and the limit switch for feedback that the reclosing switch is in place, and the indicator light module for status prompt. The limit switch includes a status prompt open position limit switch and a closed position limit switch.
[0004] With the above technical solution, the power supply module is connected to the mains, and the AC power is rectified, filtered, and stabilized into DC power through the power supply module. The main control module and the motor module are connected in parallel and supply power. The main control module controls the operation of the motor through the motor module, thereby controlling the opening or closing of the reclosing switch to meet the needs of remote intelligent control circuits; the opening position limit switch and the closing position limit switch are respectively located on both sides of the reclosing signal pole. When the reclosing switch is in the opening or closing state, the opening position limit switch / closing position limit switch is triggered, and a position signal is provided to the main control module. The motor stops working and the corresponding opening / closing signal light is on, thereby avoiding motor burnout and improving the service life of the reclosing switch.
[0005] The present invention is further configured as follows: the motor module is provided with a power supply end, a signal receiving end, and an output end for controlling the motor drive; the power supply module is electrically connected to the motor module through the power supply end and provides power; the main control module is electrically connected to the motor module through the signal receiving end; the motor module is a PN7705 two-channel driver chip, wherein pin 1 is a fault detection port, pins 2 and 3 are signal input ends for controlling the forward and reverse rotation of the motor, and are connected to the control module; pins 5 and 8 are power input ends of the chip, and are connected to the power supply module; pins 6 and 7 are signal output ends for controlling the forward and reverse rotation of the motor, and are configured in push-pull output mode with the IO port of the external MCU; and the chip itself also has undervoltage, overtemperature and other functions to meet the requirements for smooth control action of the reclosing switch.
[0006] The utility model is further configured such that the limit switch also includes a manual switch and handle feedback. The manual switch is used to select manual control or automatic control mode, and the handle feedback is used to detect the position status of the handle, freely switching the reclosing manual or automatic control mode, and is suitable for a variety of usage environments.
[0007] The utility model is further configured such that the main control module is provided with a detection end for detecting the input power supply, the detection end is used to verify the power supply quality of the input power supply, ensure the normal and stable operation of the control chip and the motor chip, extend the service life of the control circuit, and is displayed by the power light of the indicator light module to provide the user with intuitive feedback on the working status of the control circuit.
[0008] The present invention is further configured such that the main control module is provided with a signal interface for an external electric meter. When a fault occurs in the main power transmission circuit, the electric meter gives a reclosing signal to the main control module, thereby controlling the reclosing switch to perform an opening and closing action to deal with transient faults such as lightning and local circuit short circuits. There is no need for an electrician to be present to deal with circuit problems, thus saving maintenance costs.
[0009] The present invention is further configured to include a Bluetooth module, the power supply module is provided with a DC regulated power supply, the DC regulated power supply is electrically connected to the power supply module and the Bluetooth module and provides power, the main control module is provided with a communication terminal for electrically connecting to the Bluetooth module, when a fault occurs in the main power transmission circuit, the background can remotely give a reclosing signal to the main control module via Bluetooth, thereby controlling the reclosing switch to perform an opening and closing action to deal with transient faults such as lightning and local circuit short circuit, without the need for an electrician to be on site to deal with circuit problems, saving maintenance costs.
[0010] Compared with the prior art, the beneficial effects of the present invention are:
[0011] 1. The power supply module is connected to the mains electricity. The AC power is rectified, filtered, and stabilized into DC power through the power supply module. The main control module and motor module are connected in parallel and supply power. The main control module controls the motor through the motor module, thereby controlling the opening or closing of the reclosing switch to meet the needs of remote intelligent control circuits.
[0012] 2. The opening position limit switch and closing position limit switch are located on both sides of the reclosing signal pole respectively. When the reclosing switch is in the opening or closing state, the opening position limit switch / closing position limit switch is triggered and provides an in-position signal to the main control module. The motor stops working and the corresponding opening / closing signal light lights up, thereby preventing the motor from burning out and extending the service life of the reclosing switch.
[0013] The embodiments of the present invention will be further described below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic structural diagram of the circuit diagram of the first embodiment of the present utility model;
[0015] Figure 2 This is a schematic diagram of the structure of the motor module external motor circuit diagram of the utility model
[0016] Figure 3 This is a schematic structural diagram of the circuit diagram of the second embodiment of the present utility model;
[0017] Among them: 1-power supply module, 2-main control module, 3-motor module, 4-limit switch, 5-indicator module, 6-Bluetooth module, 21-detection terminal, 22-signal interface, 23-communication terminal, 31-power terminal, 32-signal receiving terminal, 33-output terminal, 41-opening position limit switch, 42-closing position limit switch, 43-manual switch, 44-handle feedback; DETAILED DESCRIPTION
[0018] like Figure 1 、 2As shown, this embodiment provides a first embodiment of a fee control circuit structure based on reclosing provided by the utility model, including a power supply module 1, a main control module 2, a motor module 3, a limit switch 4 and an indicator light module 5. The power supply module 1 is electrically connected to the main control module 2 and the motor module 3 and provides power for them. The main control module 2 is electrically connected to the motor module 3 for controlling the motor drive, and the limit switch 4 for feedback that the reclosing switch is in place, and the indicator light module 5 for status prompt. The limit switch 4 includes an opening position limit switch 41, a closing position limit switch 42, a manual switch 43 and a handle feedback 44. The motor module 3 is provided with a power supply terminal 31, a signal receiving terminal 32, and an output terminal 33 for controlling the motor drive. The power supply module 1 is electrically connected to the motor module 3 through the power supply terminal 31 and provides power for it. The main control module 2 is electrically connected to the motor module 3 through the signal receiving terminal 32. The main control module 2 is provided with a detection terminal 21 for detecting the input power supply, and a signal interface 22 for an external electric meter.
[0019] Combine Figure 2 、 3 As shown, the utility model also provides a second embodiment of the fee control circuit structure based on reclosing, including a power supply module 1, a main control module 2, a motor module 3, a limit switch 4, an indicator light module 5 and a Bluetooth module 6. The power supply module 1 is electrically connected to the motor module 3 and provides power for it, and the power supply module 1 is provided with a DC regulated power supply, which is electrically connected to the power supply module 1 and the Bluetooth module 6 and provides power for them. The main control module 2 is electrically connected to the motor module 3 for controlling the motor drive and the limit switch 4 for feedback of the reclosing switch being in place, so as to And an indicator light module 5 for status prompts, the main control module 2 is provided with a communication terminal 23 for electrically connecting to the Bluetooth module 6 and a detection terminal 21 for detecting the input power supply, the limit switch 4 includes an open position limit switch 41, a closed position limit switch 42, a manual switch 43 and a handle feedback 44, the motor module 3 is provided with a power supply terminal 31, a signal receiving terminal 32, and an output terminal 33 for controlling the motor drive, the power supply module 1 is electrically connected to the motor module 3 through the power supply terminal 31 and provides power for it, and the main control module 2 is electrically connected to the motor module 3 through the signal receiving terminal 32.
[0020] The working principle of the present utility model is that the power supply module 1 is connected to the mains electricity and converted into direct current to power the main control module 2, the motor module 3 and the Bluetooth module 6. The electric meter or the background gives the main control module 2 a reclosing signal, the main control module 2 inputs the motor forward and reverse logic, and the motor module 3 controls the motor forward and reverse signal output terminal 33, and configures the push-pull output mode with the IO port of the external MCU to control the motor forward and reverse, thereby controlling the reclosing switch to enter the opening or closing action state. The opening position limit switch 41 and the closing position limit switch 42 are respectively located on both sides of the reclosing signal pole. When the reclosing switch is in the opening or closing state, the opening position limit switch 41 / closing position limit switch 42 is triggered, and a position signal is provided to the main control module 2, the motor stops working, and the corresponding opening / closing signal light is on.
[0021] In addition to the above embodiments, the present invention may also have other implementation methods. Any technical solutions formed by equivalent replacement or equivalent transformation fall within the scope of protection required by the present invention.
Claims
1. A charge control circuit structure based on reclosing, characterized in that: The invention comprises a power supply module (1), a main control module (2), a motor module (3), a limit switch (4) and an indicator light module (5); the power supply module (1) is electrically connected to the main control module (2) and the motor module (3) and provides power thereto; the main control module (2) is electrically connected to the motor module (3) for controlling the motor drive, the limit switch (4) for feeding back whether the reclosing switch is in position, and the indicator light module (5) for status prompting; the limit switch (4) comprises a status prompting open position limit switch (41) and a closed position limit switch (42).
2. A reclosing-based fee control circuit structure according to claim 1, characterized in that: The motor module (3) is provided with a power supply terminal (31), a signal receiving terminal (32), and an output terminal (33) for controlling the motor drive; the power supply module (1) is electrically connected to the motor module (3) via the power supply terminal (31) and provides power thereto; and the main control module (2) is electrically connected to the motor module (3) via the signal receiving terminal (32).
3. The reclosing-based fee control circuit structure according to claim 1, characterized in that: The limit switch (4) further comprises a manual switch (43) and a handle feedback (44).
4. The reclosing-based fee control circuit structure according to claim 1, characterized in that: The main control module (2) is provided with a detection terminal (21) for detecting input power.
5. A reclosing-based fee control circuit structure according to any one of claims 1 to 4, characterized in that: The main control module (2) is provided with a signal interface (22) for connecting to an external electric meter.
6. A reclosing-based fee control circuit structure according to any one of claims 1 to 4, characterized in that: The device further comprises a Bluetooth module (6), wherein the power supply module (1) is provided with a DC regulated power supply, the DC regulated power supply is electrically connected to the power supply module (1) and the Bluetooth module (6) and provides power thereto, and the main control module (2) is provided with a communication terminal (23) for electrically connecting to the Bluetooth module (6).