CN212543353U - Intelligent comprehensive leakage protection device based on phase synchronization circuit - Google Patents
Intelligent comprehensive leakage protection device based on phase synchronization circuit Download PDFInfo
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- CN212543353U CN212543353U CN202021137359.0U CN202021137359U CN212543353U CN 212543353 U CN212543353 U CN 212543353U CN 202021137359 U CN202021137359 U CN 202021137359U CN 212543353 U CN212543353 U CN 212543353U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/40—Display of information, e.g. of data or controls
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Abstract
The utility model discloses a device is protected to hourglass is synthesized to intelligence based on phase synchronization circuit, including shell, signal conditioning module, clock circuit, central processing unit MCU, action execution module, zigBee communication module, alarm module, display screen, control key, power, inlet wire end and leading-out terminal, signal conditioning module still includes electric leakage detection circuit, phase current sampling circuit, looks voltage sampling circuit, phase synchronization circuit. Electric leakage detection circuit, phase current sampling circuit, looks voltage sampling circuit, phase synchronization circuit, clock circuit, action execution module, zigBee communication module, warning module, display screen and control key electricity respectively connect in central processing unit MCU, through the utility model discloses an implementation has realized excessive pressure, under-voltage, overload protection function, and the cost of labor reduces with equipment cost relatively, and later maintenance's convenience obtains improving, has certain use value and spreading value.
Description
Technical Field
The utility model relates to an earth leakage protection technical field especially relates to an intelligent integrated leakage protection device based on phase synchronization circuit.
Background
Current intelligent earth leakage protection device in market, itself has the electric leakage, overload, excessive pressure, functions such as under-voltage, but every intelligent earth leakage protection device all is the autonomous working, and do not have data acquisition and upload function, bring inconvenience for maintenance person when leading to breaking down, some earth leakage protection devices are equipped with RS232, wired modes such as RS422 or RS485 serial ports, need keep apart the signal line, and the loaded down with trivial details difficulty of wiring, different manufacturers' communication protocol is also different, the cost of labor has been increased and equipment cost, and later maintenance is inconvenient. Therefore, an intelligent integrated leakage protection device based on a phase synchronization circuit is needed to solve the defects in the prior art.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides an intelligence is synthesized and is leaked and protect device based on phase synchronization circuit aims at solving the above-mentioned loaded down with trivial details difficulty of wiring, cost of labor and equipment cost increase and the inconvenient problem of later maintenance.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an intelligent comprehensive leakage protection device based on phase synchronization circuit, includes shell, signal conditioning module, clock circuit, central processing unit MCU, action execution module, zigBee communication module, alarm module, display screen, control key, power, inlet wire end and leading-out terminal, signal conditioning module still includes electric leakage detection circuit, phase current sampling circuit, looks voltage sampling circuit, phase synchronization circuit.
The electric leakage detection circuit, the phase current sampling circuit, the phase voltage sampling circuit, the phase synchronization circuit, the clock circuit, the action execution module, the ZigBee communication module, the alarm module, the display screen and the control key are respectively and electrically connected with the MCU.
Preferably, the signal conditioning module, the clock circuit, the central processing unit (MCU), the action execution module, the ZigBee communication module, the power supply, the wire inlet end and the wire outlet end are all arranged inside the shell.
Preferably, the action execution module comprises a low-voltage circuit breaker and a drive circuit.
Preferably, the display screen and the control key are arranged on the outer wall of the shell, and the control key comprises a device test key, two parameter setting keys and a working state adjusting key.
Preferably, the display screen and the control key form a man-machine interaction interface of the intelligent comprehensive leakage protection device.
Preferably, the wire inlet end is connected to the front end of the electric equipment in series, and the wire outlet end is connected to the input end of the electric equipment in series.
Preferably, an A, B, C, N three-phase four-wire system power grid input end interface is reserved at the incoming line end.
The utility model has the advantages that:
1. the utility model discloses in, increased zigBee communication module to intelligent earth leakage protection device to and clock circuit, be used for data acquisition storage and wireless transmission function, comparatively accord with modern complicated distribution electric wire netting requirement, simultaneously, for the later stage electric wire netting to intelligent development provide required hardware basis;
2. in the utility model, under the condition of completely replacing the traditional mechanical leakage protection device, phase voltage and current sampling circuits, phase synchronization circuits and the like are added, so that the intelligent comprehensive leakage protection device also has the protection functions of overvoltage, undervoltage, overload and the like;
3. the utility model discloses in, through the display screen and the control key that increase for the electric leakage action current and the time isoparametric of device are protected to the hourglass can set up, use under being applicable to different occasion circumstances, through zigBee communication module under the condition that does not have extra wiring, far reach acquisition terminal with data, carry out unified management to different consumer in the region, including consumer voltage, electric energy data acquisition such as electric current, equipment report an emergency and ask for help or increased vigilance and report, equipment upgrading, the practicality is stronger, has certain use value and spreading value.
Drawings
Fig. 1 is a schematic diagram of the circuit structure of the present invention.
Fig. 2 is a schematic diagram of the external structure of the present invention.
In the figure: the intelligent control system comprises a shell 1, a signal conditioning module 2, a clock circuit 3, a central processing unit MCU4, an action execution module 5, a ZigBee communication module 6, an alarm module 7, a display screen 8, a control key 9, a power supply 10, a wire inlet end 11, a wire outlet end 12, a leakage detection circuit 201, a phase current sampling circuit 202, a phase voltage sampling circuit 203 and a phase synchronization circuit 204.
Detailed Description
As shown in fig. 1 and 2, the intelligent comprehensive leakage protection device based on the phase synchronization circuit comprises a shell 1, a signal conditioning module 2, a clock circuit 3, a central processing unit MCU4, an action execution module 5, a ZigBee communication module 6, an alarm module 7, a display screen 8, a control key 9, a power supply 10, a wire inlet end 11 and a wire outlet end 12, wherein the signal conditioning module 2 further comprises a leakage detection circuit 201, a phase current sampling circuit 202, a phase voltage sampling circuit 203 and a phase synchronization circuit 204.
The electric leakage detection circuit 201, the phase current sampling circuit 202, the phase voltage sampling circuit 203, the phase synchronization circuit 204, the clock circuit 3, the action execution module 5, the ZigBee communication module 6, the alarm module 7, the display screen 8 and the control key 9 are respectively and electrically connected with the central processing unit MCU 4.
Example (b):
when the intelligent comprehensive leakage protection device based on the phase synchronization circuit is installed, firstly, the front end of an incoming line end 11 is ensured to be powered off, the incoming line end 11 is connected in series with the front end of electric equipment, an outgoing line end 12 is connected in series with the input end of the electric equipment, the leakage protection device is ensured to be connected in series with the electric equipment circuit and is required to be connected with the front end of the electric equipment, before power is supplied, no short circuit exists in a connection, a connection node is not loosened, after the connection is completed, the equipment is powered on, the intelligent comprehensive leakage protection device based on the phase synchronization circuit is set, a set key is pressed, a set interface is entered, a leakage action threshold value is set, leakage action time, an overvoltage threshold value and an undervoltage threshold value are manually closed, the electric equipment normally works, a simulation action key is manually pressed, the simulation test is carried out on the intelligent comprehensive leakage protection device, at the moment, the low-voltage circuit breaker, the low-voltage circuit breaker is then closed manually.
The utility model discloses: the whole device needs to be connected into a power grid in series, and an input end interface of a three-phase four-wire system power grid of A, B, C and N is reserved at an input end 11; the signal conditioning module comprises a leakage detection circuit 201, a phase current sampling circuit 202, a phase voltage sampling circuit 203 and a phase synchronization circuit 204, wherein the signal conditioning module 2 is used for sampling voltage, current and leakage current in a power grid, and inputting the voltage, current and leakage current into an A/D interface of the MCU4 after filtering and amplification; the power supply 10 takes power from a wire inlet end 11, and supplies power to the whole device after rectification, filtering and voltage stabilization; the clock circuit 3 is electrically connected with the central processing unit MCU4, and when the device acts or fails, the time of the device is recorded, so that reference is provided for subsequent maintenance personnel; the display screen 8 displays the information of the current voltage, current, power factor, leakage current action threshold value, action time and the like in the power grid; the ZigBee communication module 6 uploads the data acquired by the device or receives a command sent by a terminal; 7-the key is used for setting a leakage current action threshold value, action time and a simulation action effect; 8-a central processing unit MCU; 9-the action execution module is used for cutting off the power supply of the electric equipment to achieve the leakage protection effect; the outlet terminal 12 is connected to the input terminal of the electric equipment.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.
Claims (7)
1. An intelligent comprehensive leakage protection device based on a phase synchronization circuit comprises a shell (1), a signal conditioning module (2), a clock circuit (3), a central processing unit (MCU) (4), an action execution module (5), a ZigBee communication module (6), an alarm module (7), a display screen (8), a control key (9), a power supply (10), a wire inlet end (11) and a wire outlet end (12), and is characterized in that the signal conditioning module (2) further comprises a leakage detection circuit (201), a phase current sampling circuit (202), a phase voltage sampling circuit (203) and a phase synchronization circuit (204);
the leakage detection circuit (201), the phase current sampling circuit (202), the phase voltage sampling circuit (203), the phase synchronization circuit (204), the clock circuit (3), the action execution module (5), the ZigBee communication module (6), the warning module (7), the display screen (8) and the control key (9) are respectively and electrically connected with the central processing unit MCU (4).
2. The intelligent comprehensive leakage protection device based on the phase synchronization circuit is characterized in that the signal conditioning module (2), the clock circuit (3), the central processing unit (MCU) (4), the action execution module (5), the ZigBee communication module (6), the power supply (10), the wire inlet end (11) and the wire outlet end (12) are all arranged inside the shell (1).
3. The intelligent comprehensive leakage protection device based on the phase synchronization circuit is characterized in that the action execution module (5) comprises a low-voltage circuit breaker and a driving circuit.
4. The intelligent comprehensive leakage protection device based on the phase synchronization circuit as claimed in claim 1, wherein the display screen (8) and the control key (9) are arranged on the outer wall of the shell (1), and the control key (9) comprises a device test key, two parameter setting keys and an operating state adjusting key.
5. The intelligent comprehensive leakage protection device based on the phase synchronization circuit as claimed in claim 1, wherein the display screen (8) and the control key (9) form a human-computer interaction interface of the intelligent comprehensive leakage protection device.
6. The intelligent comprehensive leakage protection device based on the phase synchronization circuit is characterized in that the incoming line end (11) is connected to the front end of the electric equipment in series, and the outgoing line end (12) is connected to the input end of the electric equipment in series.
7. The intelligent comprehensive leakage protection device based on the phase synchronization circuit is characterized in that an A, B, C, N three-phase four-wire system power grid input end interface is reserved at the incoming line end (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021137359.0U CN212543353U (en) | 2020-06-18 | 2020-06-18 | Intelligent comprehensive leakage protection device based on phase synchronization circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021137359.0U CN212543353U (en) | 2020-06-18 | 2020-06-18 | Intelligent comprehensive leakage protection device based on phase synchronization circuit |
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| Publication Number | Publication Date |
|---|---|
| CN212543353U true CN212543353U (en) | 2021-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021137359.0U Active CN212543353U (en) | 2020-06-18 | 2020-06-18 | Intelligent comprehensive leakage protection device based on phase synchronization circuit |
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| Country | Link |
|---|---|
| CN (1) | CN212543353U (en) |
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2020
- 2020-06-18 CN CN202021137359.0U patent/CN212543353U/en active Active
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An intelligent integrated leakage protection device based on phase synchronization circuit Effective date of registration: 20211202 Granted publication date: 20210212 Pledgee: Bank of Jiangsu Limited by Share Ltd. Hangzhou branch Pledgor: HANGZHOU DECHENG ELECTRIC POWER TECHNOLOGY CO.,LTD. Registration number: Y2021980013685 |