CN218633447U

CN218633447U - Low-voltage power intelligent synchronous switch

Info

Publication number: CN218633447U
Application number: CN202222458670.0U
Authority: CN
Inventors: 吴玮玮; 谢乃康
Original assignee: Quanzhou Baolan Electronics Co ltd
Current assignee: Quanzhou Baolan Electronics Co ltd
Priority date: 2022-09-15
Filing date: 2022-09-15
Publication date: 2023-03-14
Anticipated expiration: 2032-09-15

Abstract

The utility model discloses a low-voltage power intelligent synchronous switch, which comprises a shell, wherein an electronic control system for current and voltage detection and control is arranged in the shell, the electronic control system comprises a central processing unit, a signal acquisition module and a wireless data transmission module, the signal acquisition module is electrically connected with the central processing unit, the shell is also provided with a wiring port, a wired communication socket and a wireless communication antenna interface, the intelligent synchronous switch can be in data communication with an upper computer controller through a communication line; wireless data communication with a control in the same wireless communication system is also possible; the system can be connected with a computer network through an upper computer to realize networking remote monitoring or is merged into an Internet of things platform to realize remote monitoring and control; therefore, the application value of the intelligent synchronous switch is improved, and the guarantee capability of the system is enhanced.

Description

Low-voltage power intelligent synchronous switch

Technical Field

The utility model relates to an electric power system equipment field specifically indicates a low pressure electric power intelligence synchronous switch ware.

Background

Intelligent synchronous switchgears are used in power systems or other electrical applications. The intelligent synchronous switch is used for switching control of electric energy, in a reactive compensation control circuit system, the dynamic states of the current and voltage values, the waveform and the like of power grid electric power are detected in real time, when a switching instruction sent by a reactive compensation controller is received, the intelligent synchronous switch is combined with internal operation to carry out zero-crossing switching control through detected waveform data, so that a switch contact can be switched in or switched off in a state that the voltage or the current at the input end and the output end is relatively zero, and the surge impact is avoided. Thereby achieving the goal of maintaining the power factor in a good state. In application systems of other electrical equipment, the intelligent synchronous switch is used as a power switch unit, and can be automatically adjusted to adapt to the switching requirement of capacitive loads or inductive loads according to the requirement of circuit load characteristics, so that the aim of preventing inrush current from impacting a load device is fulfilled, and the functions of delay switching or timing switching can be set through a panel key. However, the existing synchronous switch can only receive the control of the reactive power controller, is not applied to other electrical equipment, and has no display, no function adjusting key and no wireless communication function. And the installation is generally fixed on the electric control cabinet through screws, so that the assembly and disassembly are inconvenient, and the coordination of installation and line arrangement are inconvenient when the device is combined with other devices in the same system.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned not enough, provide a low pressure electric power intelligence synchronous switch ware.

An intelligent synchronous switch for low-voltage power comprises a shell, wherein an electric energy detection and control circuit is arranged in the shell and comprises a central processing unit, an electric parameter acquisition module and a wireless data transmission module, wherein the electric parameter acquisition module and the wireless data transmission module are electrically connected with the central processing unit; the electric parameter acquisition module is used for detecting and acquiring electric energy parameters of a power grid and transmitting acquired electric energy signals to the central processing unit; the wireless data transmission module is used for wireless data communication with other unit machines in the system; the upper end and the lower end of the shell are respectively provided with a power line input wiring port and a power line output wiring port; the shell is also provided with an instruction signal port, a wired communication socket and a wireless communication antenna interface which are connected with the central processing unit. The wired communication socket is used for wired data transmission, control and networking.

Preferably, the shell comprises a rear shell and a panel connected with the rear shell, and the rear shell is provided with a guide rail mounting groove and a fastening fastener for being matched with the guide rail mounting groove; four mounting holes are respectively formed in the positions of the four corners of the rear shell; the two sides of the panel are provided with mounting clamping grooves for mounting an upper clamping plate and a lower clamping plate, the two sides of the shell are also provided with embedded mounting fastener clamping grooves for mounting embedded mounting movable fastener components, each embedded mounting movable fastener component comprises a left embedded mounting movable fastener component and a right embedded mounting movable fastener component,

the guide rail mounting groove arranged on the rear shell is matched with the fastening fastener for use, so that the synchronous switch can slide on the guide rail, the position of mounting is facilitated to be adjusted, the synchronous switch can be fixed at the determined position of the guide rail through the mechanism action of the buckle assembly, in addition, four screw mounting holes are respectively arranged on four corners of the rear shell for standby, and the rear shell is covered by non-penetrating thin-layer plastic cement when not used; the side of this casing sets up installation draw-in groove and is used for installing punch holder and lower plate, inlays formula installation fastener draw-in groove and is used for installing about two and inlay formula installation activity knot subassemblies to this structure realizes the embedded installation that the synchro switch panel shows.

Preferably, the side surface of the shell is provided with heat dissipation holes for preventing objects from being inserted and dust, the heat dissipation holes are arranged at intervals between the plane section and the concave section to form a plurality of sections of grooves, and the heat dissipation holes are arranged on the side walls of the grooves in a seam shape.

Preferably, a display electrically connected with the central processing unit is arranged on the panel.

Preferably, the panel is provided with a wireless communication antenna interface.

Preferably, the panel is provided with a wired communication interface and a command input wiring port.

Preferably, the fastening fastener consists of a clamping mechanism and an elastic part, and the elastic part is a telescopic spring.

By adopting the technical scheme, the beneficial effects of the utility model are that:

1. the intelligent synchronous switch can be communicated with other intelligent controller devices serving as an upper computer through a communication socket, and can also receive a control instruction of the upper computer through an instruction signal wiring port; if the data information can be mutually transmitted with an upper computer through wired communication or wireless communication, the data information can be connected with a computer to realize networking remote monitoring or realize remote monitoring and control through an Internet of things platform; therefore, the application value of the intelligent synchronous switch is improved, and the guarantee capability of the system is enhanced.

2. When embedded installation is adopted, firstly, the required wiring of the synchronous switch is connected, the lower movable block is buckled in the synchronous switch installation groove and pushed to the position with the lower limit, so that the synchronous switch is taken out to the outside of the electric control cabinet, then the installation opening of the electric control cabinet is extended from the front side of the synchronous switch in the electric control cabinet, a panel of the synchronous switch is arranged on the outer surface of the electric control cabinet, the upper movable block is buckled in along the clamping groove of the side edge of the front side of the synchronous switch, so that the synchronous switch can not be taken out to the inside of the electric control cabinet, then the screw on the lower movable block is screwed tightly, the upper movable block is matched with the side wall of the electric control cabinet under the extrusion action of the screw to clamp and fix the whole synchronous switch on the electric control cabinet, the stabilizing effect is good, and the dismounting and mounting are more convenient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 one or several embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to such drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a synchronous switch according to an embodiment of the present invention;

fig. 2 is a schematic block diagram of a synchronous switch according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a rear housing of a synchronous switch according to an embodiment of the present invention;

fig. 4 is the working wiring schematic diagram of the synchronous switch of the present invention in reactive compensation application.

Description of the main reference numerals: 1 power line input wiring port, 2 wireless communication antenna interfaces, 3 panels, 4 display screens, 5 buttons, 6 command signal ports, 7 power line output wiring ports, 8 installation card grooves, 9 guide rail mounting grooves, 10 embedded installation fastener card grooves, 11 wired communication sockets, 12 heat dissipation holes, 13 mounting holes, 14 left embedded installation movable buckle components, 15 right embedded installation movable buckle components, 16 lower clamping plates, 17 upper clamping plates and 18 fastening fasteners.

Detailed Description

The following detailed description will be made with reference to the accompanying drawings and examples, so as to solve the technical problems by applying technical means to the present invention, and to fully understand and implement the technical effects of the present invention. It should be noted that, as long as no conflict is formed, the embodiments and the features in the embodiments of the present invention may be combined with each other, and the technical solutions formed are all within the scope of the present invention.

In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without these specific details or with a specific form described.

Referring to fig. 1-4, according to the present invention, an electric energy detection and control circuit is disposed in the housing, and the electric energy detection and control circuit includes a central processing unit, an electric parameter acquisition module electrically connected to the central processing unit, and a wireless data transmission module; the electric parameter acquisition module is used for detecting and acquiring electric energy parameters of a power grid and transmitting acquired electric energy signals to the central processing unit; the wireless data transmission module is used for wireless data communication with other unit machines in the system; the upper end and the lower end of the shell are respectively provided with a power line input wiring port 1 and a power line output wiring port 7; the shell is also provided with an instruction signal port 6 connected with the central processing unit, a wired communication socket 11 and a wireless communication antenna interface 2, and the wireless communication antenna interface 2 is used for a wireless data transmission module to receive and send data information in a radio signal mode, so that the function of wireless communication is realized; the intelligent low-voltage power synchronous switch is connected with a power grid side through a power line input wiring port 1, and an electric energy detection circuit and a component, which are connected with the power grid, of an electric parameter acquisition module are installed in a shell.

Specific technical applications of the intelligent synchronous switch include, but are not limited to, the following descriptions: the panel 3 is provided with a display electrically connected with the central processing unit and can display electric energy operation parameters such as current, voltage, reactive power, harmonic component and the like; the switching state, the communication state, the monitored electric energy line fault state and the equipment system fault state of the device per se are displayed, and the operation functions of adjusting working parameters, debugging/working state switching, manual/automatic operation and the like can be conveniently realized through setting of the key 5. The protection function of the circuit can give an alarm when the circuit is abnormal and the equipment is in failure, and the circuit has the functions of overvoltage protection, low-voltage protection, open-phase protection, overcurrent protection, over-temperature protection, harmonic protection and the like; the advance angle of the switching time can be automatically adjusted according to the characteristics of the load device in the switching control, the reactive power is dynamically compensated, the inrush current is eliminated or reduced, and the electric energy quality is improved; in the aspect of communication, the intelligent synchronous switch can realize wired or wireless data communication through the communication socket 11 or an antenna interface, and the two modes can be connected with a computer or an internet of things through the transceiving adapter to realize remote monitoring and control; therefore, the application value of the intelligent synchronous switch is improved, and the guarantee capability of the system is enhanced.

With respect to the housing construction and mounting, the construction functions substantially as described above with reference to the reference numerals; in the description of the main reference numbers, the synchronous switch has three stable installation modes, namely a screw type, a guide rail type and a nested type. In the design of nested installation, the installation steps are as follows: firstly, an installation opening is formed in the surface wall of an electric control cabinet, the caliber of the installation opening is larger than that of a shell panel 3, but the installation opening is smaller than the length and the width of an upper clamping plate 17 and a lower clamping plate 16, then the panel 3 extends out of the outer surface of the electric cabinet from the installation opening after a synchronous switch is connected with a wire in the electric cabinet, and an embedded installation fastener clamping groove 10 on the side surface of the synchronous switch is exposed outside the electric cabinet, then the clamping positions of the upper clamping plate 17 and the lower clamping plate 16 are inserted into an installation groove on the side surface of the synchronous switch, and finally screws respectively arranged on embedded installation movable fastening components on the side surfaces of two sides in the electric cabinet are screwed tightly, so that the embedded installation movable fastening components and the upper clamping plate 17 and the lower clamping plate 16 jointly act to clamp a shell wall plate of the electric cabinet, thus the whole synchronous switch is clamped and fixed on the electric control cabinet, not only the stability effect is good, but also the dismounting is more convenient.

Reference is made to fig. 4 for the wiring of the synchronous switch in working applications. Fig. 4 is only one example of switching of both the co-compensation and the sub-compensation power capacitors in reactive compensation applications, but the connection is suitable for other loaders for delta and wye connections.

It should be noted that in the foregoing description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.

Claims

1. The utility model provides a low pressure electric power intelligence synchronous switch ware, includes the casing, its characterized in that: an electric energy detection and control circuit is arranged in the shell and comprises a central processing unit, an electric parameter acquisition module and a wireless data transmission module, wherein the electric parameter acquisition module and the wireless data transmission module are electrically connected with the central processing unit; the electric parameter acquisition module is used for detecting and acquiring electric energy parameters of a power grid and transmitting acquired electric energy signals to the central processing unit; the wireless data transmission module is used for wireless data communication with other unit machines in the system; the upper end and the lower end of the shell are respectively provided with a power line input wiring port (1) and a power line output wiring port (7); the shell is also provided with an instruction signal port (6) connected with the central processing unit, a wired communication socket (11) and a wireless communication antenna interface (2).

2. The intelligent synchronous low-voltage power switch according to claim 1, characterized in that: the shell comprises a rear shell and a panel connected with the rear shell, and the rear shell is provided with a guide rail mounting groove (9) and a fastening fastener (18) matched with the guide rail mounting groove (9) for mounting; four mounting holes (13) are respectively formed in the positions of the four corners of the rear shell; the both sides of panel are provided with installation draw-in groove (8) that are used for installing punch holder (17) and lower plate (16), still are provided with in casing both sides and are used for installing the formula installation fastener draw-in groove (10) that inlay the formula installation activity and detain subassembly, the formula installation activity is detained the subassembly and is included that the formula installation activity is detained subassembly (14) and the formula installation activity is detained subassembly (15) to the right side of inlaying in the formula installation activity.

3. The intelligent synchronous low-voltage power switch according to claim 1, characterized in that: the wireless communication antenna interface (2) is arranged at the position, close to the panel, of the upper end of the shell.

4. The intelligent synchronous low-voltage power switch according to claim 2, characterized in that: the panel is provided with a display (4) electrically connected with the central processing unit.

5. The intelligent synchronous low-voltage power switch according to claim 2, characterized in that: the panel is provided with a key (5) electrically connected with the central processing unit.

6. The intelligent synchronous low-voltage power switch according to claim 1, characterized in that: a plurality of heat dissipation holes (12) are formed in the two sides of the shell.