CN219498930U - Metering type reclosing protector - Google Patents

Abstract

The utility model relates to a metering reclosing protector which comprises a shell, wherein an input port is formed on a first side of the shell, an input terminal is arranged in the input port, a load connection port is formed on a second side of the shell, a load access terminal is arranged in the load connection port, a first plugboard is arranged at the input port, a second plugboard is arranged at the load connection port, an RS485 access port is further arranged on the second side of the shell, an RS485 terminal is arranged in the RS485 access port, a third plugboard is arranged at the RS485 access port, and the first plugboard, the second plugboard and the third plugboard are spliced on the shell. According to the utility model, corresponding plug boards are arranged at the RS485 access port, the input port and the load connection port so as to meet the effect of the protection terminal.

Description

Metering type reclosing protector

Technical Field

The utility model belongs to the technical field of reclosure protectors, and relates to a metering type reclosure protector.

Background

Reclosing, namely closing the circuit breaker in a short time after the fault of the overhead line is cleared, and calling the reclosing or reclosing; in practice, most overhead line faults are instantaneous or temporary, so reclosing is one of the self-recovery power supply methods commonly adopted in operation, the shortest interval time allowed by reclosing is 0.15-0.5 seconds, few cases belong to permanent faults, the automatic reclosing device is tripped by relay protection action after action, the cause is ascertained, and then power is removed and supplied, wherein the reclosing circuit is used for electric leakage detection.

The existing reclosing protector is generally provided with an input end and a load end, the input end and the load end are connected by adopting terminals, but before the reclosing protector is used, the protection to the terminals is lacking, water is easy to enter or ash is easy to accumulate in the storage, transportation and transportation process, and the subsequent reclosing protector cannot be used.

Disclosure of Invention

The utility model aims to provide a metering type reclosing protector for protecting terminals.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a measurement formula reclosure protector, its characterized in that, includes the casing, the first side of casing forms the input port, be provided with input terminal in the input port, the second side of casing is formed with the load connector, be provided with load access terminal in the load connector, input port department is provided with first plugboard, load connector department is provided with the second plugboard, the second side of casing still is provided with the RS485 access port, be provided with the RS485 terminal in the RS485 access port, RS485 access port department is provided with the third plugboard, first plugboard, second plugboard and third plugboard are pegged graft on the casing.

The utility model further provides that a circuit board is arranged in the shell, a controller is arranged on the circuit board, the controller is connected with a metering module, an electric leakage sampling module, a current sampling module and a voltage sampling module, the electric leakage sampling module is used for sampling electric leakage and outputting signals to the controller, the input end of the voltage sampling module is connected with a zero line and a live wire, the output end of the voltage sampling module is connected with the metering module, the voltage sampling module is used for sampling voltage, reducing the voltage and filtering the voltage and outputting the voltage to the metering module, and the output end of the current sampling module is connected with the controller and the metering module.

The utility model further provides that the circuit board is also provided with an alarm module, the alarm module is an audible and visual alarm, the alarm module is connected with the controller, and when the sampling information of the electric leakage sampling module, the current sampling module and the voltage sampling module is inconsistent with a preset value, the controller controls the alarm module to give an alarm.

The utility model has the beneficial effects that: according to the utility model, corresponding plug boards are arranged at the RS485 access port, the input port and the load connection port so as to meet the effect of the protection terminal.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present utility model.

Fig. 2 is a perspective view of an embodiment of the present utility model.

Fig. 3 is a control schematic diagram of an embodiment of the present utility model.

Reference numerals; 10. a housing; 20. an input port; 30. an input terminal; 40. a load connection port; 50. a load access terminal; 60. a first plugboard; 70. a second plugboard; 80. an RS485 access port; 90. an RS485 terminal; 100. a third plugboard; 110. a controller; 120. a metering module; 130. the electric leakage sampling module; 140. a current sampling module; 150. an alarm module; 160. a voltage sampling module;

Detailed Description

The following will describe the embodiments of the present application in detail by way of examples, and therefore, how the present application applies technical means to solve the technical problems and achieve the implementation process of the technical effects can be fully understood and implemented accordingly.

As shown in fig. 1-3, the present utility model is a metering reclosing protector, including a housing 10, wherein a first side of the housing 10 forms an input port 20, an input terminal 30 is disposed in the input port 20, a second side of the housing 10 forms a load connection port 40, a load access terminal 50 is disposed in the load connection port 40, a first plug board 60 is disposed at the input port 20, a second plug board 70 is disposed at the load connection port 40, an RS485 access port 80 is further disposed at the second side of the housing 10, an RS485 terminal 90 is disposed in the RS485 access port 80, a third plug board 100 is disposed at the RS485 access port 80, and the first plug board 60, the second plug board 70 and the third plug board 100 are plugged on the housing 10.

The shell 10 is internally provided with a circuit board, the circuit board is provided with a controller 110, the controller 110 is connected with a metering module 120, a leakage sampling module 130, a current sampling module 140 and a voltage sampling module 160, the leakage sampling module 130 is used for leakage sampling and outputting signals to the controller 110, the input end of the voltage sampling module 160 is connected with a zero line and a live line, the output end of the voltage sampling module 160 is connected with the metering module 120, the voltage sampling module 160 is used for voltage sampling and outputting signals to the metering module 120 after voltage reduction and filtering, and the output end of the current sampling module 140 is connected with the controller 110 and the metering module 120.

The circuit board is further provided with an alarm module 150, the alarm module 150 is an audible and visual alarm, the alarm module 150 is connected with the controller 110, and when the sampling information of the leakage sampling module 130, the current sampling module 140 and the voltage sampling module 160 is inconsistent with a preset value, the controller 110 controls the alarm module 150 to send out an alarm.

The utility model meets the function of the protection terminal by arranging the corresponding plug boards at the position of the RS485 access port 80, the position of the input port 20 and the position of the load connection port 40.

Certain terms are used throughout the description and claims to refer to particular components. Those of skill in the art will appreciate that a hardware manufacturer may refer to the same component by different names. The description and claims do not take the form of an element differentiated by name, but rather by functionality. As used throughout the specification and claims, the word "comprise" is an open-ended term, and thus should be interpreted to mean "include, but not limited to. By "substantially" is meant that within an acceptable error range, a person skilled in the art is able to solve the technical problem within a certain error range, substantially achieving the technical effect.

It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a product or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such product or system. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a commodity or system comprising such elements.

While the foregoing description illustrates and describes the preferred embodiments of the present utility model, it is to be understood that the utility model is not limited to the forms disclosed herein, but is not to be construed as limited to other embodiments, and is capable of numerous other combinations, modifications and environments and is capable of changes or modifications within the scope of the inventive concept as described herein, either as a result of the foregoing teachings or as a result of the knowledge or technology in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the utility model are intended to be within the scope of the appended claims.

Claims (3)

1. The utility model provides a measurement formula reclosure protector, its characterized in that, includes the casing, the first side of casing forms the input port, be provided with input terminal in the input port, the second side of casing is formed with the load connector, be provided with load access terminal in the load connector, input port department is provided with first plugboard, load connector department is provided with the second plugboard, the second side of casing still is provided with the RS485 access port, be provided with the RS485 terminal in the RS485 access port, RS485 access port department is provided with the third plugboard, first plugboard, second plugboard and third plugboard are pegged graft on the casing.

2. The metering reclosing protector according to claim 1, wherein a circuit board is arranged in the shell, a controller is arranged on the circuit board, the controller is connected with a metering module, an electric leakage sampling module, a current sampling module and a voltage sampling module, the electric leakage sampling module is used for sampling electric leakage and outputting signals to the controller, an input end of the voltage sampling module is connected with a zero line and a live line, an output end of the voltage sampling module is connected with the metering module, the voltage sampling module is used for sampling voltage and outputting signals to the metering module after voltage reduction and filtering, and an output end of the current sampling module is connected with the controller and the metering module.

3. The metering reclosing protector according to claim 2, wherein the circuit board is further provided with an alarm module, the alarm module is an audible and visual alarm, the alarm module is connected with the controller, and when sampling information of the leakage sampling module, the current sampling module and the voltage sampling module is inconsistent with a preset value, the controller controls the alarm module to give an alarm.