CN219535704U - Power supply change-over switch system - Google Patents

Power supply change-over switch system Download PDF

Info

Publication number
CN219535704U
CN219535704U CN202320510506.1U CN202320510506U CN219535704U CN 219535704 U CN219535704 U CN 219535704U CN 202320510506 U CN202320510506 U CN 202320510506U CN 219535704 U CN219535704 U CN 219535704U
Authority
CN
China
Prior art keywords
adapter
controller
execution switch
communication
switch
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202320510506.1U
Other languages
Chinese (zh)
Inventor
季春华
徐星
钱宽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changshu Switchgear Manufacturing Co Ltd
Original Assignee
Changshu Switchgear Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Changshu Switchgear Manufacturing Co Ltd filed Critical Changshu Switchgear Manufacturing Co Ltd
Priority to CN202320510506.1U priority Critical patent/CN219535704U/en
Application granted granted Critical
Publication of CN219535704U publication Critical patent/CN219535704U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

A power supply change-over switch system belongs to the technical field of low-voltage electrical appliances. Comprises a controller, n adapters and n execution switches, wherein n is more than or equal to 2; a control cable and a communication cable are connected between the controller and each adapter, and a control cable and a communication cable are also connected between each adapter and each execution switch, wherein the control cable is used for transmitting control signals so as to realize the switching-on and switching-off control of the execution switch; the communication cable is used for data transmission among the controller, the adapter and the execution switch. The advantages are that: the system is simple in wiring and high in intelligent degree; the intelligent load unloading can be realized without the need of externally connecting a current transformer by a user, the overall integration level is greatly improved, the comprehensive cost can be reduced while the efficiency is improved, various control modes can be realized, and the operation of the user is convenient.

Description

Power supply change-over switch system
Technical Field
The utility model belongs to the technical field of piezoelectric devices, and particularly relates to a power supply change-over switch system.
Background
The fields of modern architecture, communication, chemical industry, finance, medical treatment, fire protection and the like provide higher and higher requirements on the reliability, the continuity and the versatility of an automatic power supply system in primary and secondary loads, so that more and more occasions adopt a solution scheme of double power supplies with a bus connection, three power supplies and even multiple power supplies with multiple bus connection power supplies, and continuous power supply of the loads is ensured by a system power supply switching mode. At present, the field application of a user needs to realize multi-place operation, intelligent load unloading, self-diagnosis functions and the like, for example, the existing multi-power system needs to collect a main loop current signal through an external current transformer, and a set of current transformers (3) are needed for an execution switch of one power loop, so that the installation and wiring are very complex, and the cost is very high.
For the above problems, it is difficult to form a unified power supply solution integrating multiple functions. Thus, how to provide flexible and reliable solutions for these applications has become a problem to be solved by the person skilled in the art.
Disclosure of Invention
The utility model aims to provide a power supply change-over switch system which can realize quick wiring and system construction, and is simple in wiring and high in integration level and intelligent degree.
The utility model aims at achieving the aim, and the power supply change-over switch system comprises a controller, n adapters and n execution switches, wherein n is more than or equal to 2; a control cable and a communication cable are connected between the controller and each adapter, and a control cable and a communication cable are also connected between each adapter and each execution switch, wherein the control cable is used for transmitting control signals so as to realize the switching-on and switching-off control of the execution switch; the communication cable is used for data transmission among the controller, the adapter and the execution switch.
In a specific embodiment of the present utility model, the controller acquires the power supply voltage signal through a control cable between the adapter and the execution switch and a control cable between the adapter and the controller.
In another specific embodiment of the present utility model, the execution switch includes a position signal feedback unit for detecting an execution switch position signal; the control cable is also used for detecting the transmission of signals, the execution switch sends the detected position signals of the execution switch to the adapter through the control cable, and the adapter sends the signals sent by the execution switch to the controller through the control cable.
In another specific embodiment of the present utility model, the execution switch further includes a closing control device and a separating brake control device, where the closing control device and the separating brake control device acquire a closing control signal or a separating brake control signal sent by the controller and transferred by the adapter through the control cable so as to execute a corresponding closing or separating brake operation.
In still another specific embodiment of the present utility model, the communication between the controller and the adapter and the execution switch is a two-level communication architecture, wherein the communication between the controller and the adapter is a level I, the controller is a master station, the adapter is a slave station, and the adapter sets a communication address; the communication between the adapter and the executive switch is II level, the adapter is the master station, and the executive switch is the slave station.
In a further specific embodiment of the present utility model, the execution switch includes a current detection unit for detecting a loop current, a state detection unit, and a communication module; the execution switch sends the loop current detected by the current detection unit, the energy storage state of the electric operating mechanism of the execution switch detected by the state detection unit and intelligent diagnosis information of the execution switch to the adapter through the communication cable by utilizing the communication module, and then the adapter sends the intelligent diagnosis information to the controller through the communication cable.
In yet another specific embodiment of the present utility model, the communication between the controller and the adapter and the execution switch is a bus communication architecture, the controller is a master station, and the adapter and the execution switch are slave stations, and the adapter and the execution switch set communication addresses.
In still another specific embodiment of the present utility model, the execution switch includes a current detection unit for detecting a loop current, a state detection unit, and a communication module; the execution switch sends the loop current detected by the current detection unit, the energy storage state of the electric operating mechanism of the execution switch detected by the state detection unit and intelligent diagnosis information of the execution switch to the controller through a communication cable by utilizing the communication module.
In a further embodiment of the utility model, the adapter is provided with a local port and a remote port for implementing a local control mode and a remote control mode, respectively; the adapter receives a command sent by the controller to perform mode selection.
Due to the adoption of the structure, compared with the prior art, the utility model has the beneficial effects that: the system wiring is simple, wiring and system construction can be completed quickly, the controller is matched with the adapter and the execution switch in a communication manner to realize interaction with the execution switch, information such as the state of the execution switch and running current is obtained, the execution switch and the adapter are controlled by the control cable to complete corresponding operation, and the intelligent degree of the system is high; the intelligent load unloading can be realized without externally connecting a current transformer by a user, the overall integration level is greatly improved, and the comprehensive cost can be reduced while the efficiency is improved; and can realize multiple control modes, convenient user operation.
Drawings
Fig. 1 is a block diagram of the structure of the present utility model.
Fig. 2 is a schematic diagram of a communication architecture of the present utility model using two wires and a bus.
Fig. 3 is a schematic diagram of another communication architecture of the present utility model using two wires and a bus.
Fig. 4 is a schematic diagram of an intelligent load shedding system of the present utility model.
Detailed Description
The following detailed description of specific embodiments of the utility model, while given in connection with the accompanying drawings, is not intended to limit the scope of the utility model, and any changes that may be made in the form of the inventive concepts described herein, without departing from the spirit and scope of the utility model.
In the following description, all concepts related to the directions (or azimuths) of up, down, left, right, front and rear are directed to the position states where the drawings are being described, so as to facilitate public understanding, and thus should not be construed as being particularly limiting to the technical solutions provided by the present utility model.
Referring to FIG. 1, a power conversion switch system includes a controller, n adapters, n execution switches and a mating connection cable, wherein n is greater than or equal to 2. A control cable and a communication cable are connected between the controller and each adapter, a control cable and a communication cable are also connected between each adapter and each execution switch, the control cable is used for transmitting control signals and detection signals, the controller can acquire power supply voltage through the control cable to monitor the power supply state, and can acquire position information of the execution switch through the control cable and send control signals to realize opening and closing control of the execution switch; the communication cable is used for data transmission among the controller, the adapter and the execution switch.
The controller obtains the power supply voltage signal through the control cable between the adapter and the execution switch and the control cable between the adapter and the controller, and specifically comprises the following steps: the inlet wire end department of execution switch can set up the terminal bar, connects control cable between terminal bar and the adapter, and the adapter passes through foretell control cable and acquires the voltage information of power, then through the control cable between with the controller with power voltage signal transmission to the controller, be provided with voltage signal processing unit in the controller, handle the power voltage signal who acquires.
The controller is also responsible for the functions of human-computer interface operation display, internal and external communication, intelligent load unloading, programmable input/output and the like. The controller controls the execution switches through the control cables according to the monitored power supply state and the monitored execution switch state, and controls the on-off of each execution switch through the control cables according to the execution switch state. The adaptor transfers the executive switch position signal through the control cable, and transmits the executive switch position signal to the controller through the control cable; the adapter also switches the control signal sent by the controller through the control cable.
Specifically, the execution switch comprises a closing control device, a separating brake control device, a position signal feedback unit, a current detection unit and a communication module. The adapter is internally provided with a cable connecting terminal which can be connected with a control cable and is used for transferring control signals; a communication terminal is also provided, connectable with the communication cable, for communication with the execution switch and the controller. The actuating switch is a circuit breaker (of course, other devices with breaking function, such as a contactor, etc. may also be used).
Fig. 2 is a schematic diagram of a communication architecture of the present utility model, taking a two-wire one-bus as an example, in which a two-level communication architecture is adopted: the communication between the controller and the adapter is I level, the communication between the adapter and the execution switch is II level, and the execution switch is a circuit breaker. On one hand, instructions such as conversion control, parameter configuration and the like are sent to each adapter by the controller, so that ordered downlink of the instructions is realized; on the other hand, the communication module sends the loop current detected by the execution switch, the energy storage state of the electric operating mechanism of the execution switch and intelligent diagnosis information (for example, health diagnosis of the execution switch and the like can be realized by adopting various prior art means) to the adapter in a communication manner through a communication cable, and the adapter sends the loop current to the controller in a communication manner through the communication cable so as to realize orderly uplink of data. Specifically, when the controller is in communication with the adapters, the controller is a master station, the adapters are slave stations, communication addresses are arranged in the adapters, the controller only needs one communication port, and the controller is in communication with each adapter in a timing polling mode; when the adapter communicates with the execution switch, the adapter is the master station, the execution switch is the slave station, and one-to-one communication is performed. The communication mode of one path can be extended to n paths if n paths exist in the system.
Fig. 3 is a schematic diagram of another communication architecture of the present utility model using two wires and a bus. The controller, the adapter and the execution switch adopt a bus communication mode and communicate in a polling mode. The controller is a master station, the controller only needs one communication port, the adapter and the execution switch are slave stations, and the adapter and the execution switch are provided with communication addresses. Instructions such as conversion control, parameter configuration and the like are sent to each adapter by the controller; the information of loop current information, intelligent diagnosis and the like detected by the execution switch is directly uploaded to the controller in a communication mode through a communication cable by the execution switch.
Furthermore, the controller obtains the loop current information from the adapter or directly from the execution switch through the communication cable and sends the control mode to the adapter, so that the functions of intelligent load unloading, multi-place operation and the like can be realized. Fig. 4 is a schematic diagram of a system for implementing an intelligent load unloading function in a two-wire-in-one bus system according to the present utility model. The executing switches S1 and S2 are provided with a current detection function, loop current is detected, the adapter acquires the current information in a communication mode with the executing switch communication module, and the current information is sent to the controller in the communication mode; or the controller directly obtains current information from the execution switch in a communication mode, so that the system does not need to arrange an additional current detection circuit, the controller processes according to the obtained current information, the power supply voltage, the execution switch state, the load state information and various parameters, judges whether the incoming current exceeds a preset unloading threshold value, if so, sends an unloading command to the adapter in a communication mode, and is internally provided with control components such as a singlechip, and the adapter receives the command and then unloads corresponding three-level loads, thereby ensuring the power supply continuity of important loads;
in addition, each adapter is also provided with a local port and a remote port which are respectively used for realizing a local control mode and a remote control mode; each adapter is arranged at the site where the execution switch is located, for example, is arranged on a switch cabinet, and can switch the mode according to a command (for example, a mode generation command set by a user) sent by the received controller through a communication cable, switch to an in-situ control mode and use a field button box for in-situ control; the remote control system can also switch to a remote mode, and receive a remote signal to operate the execution switch; the multi-place operation function is realized.
The system has the advantages of greatly improving the overall integration level, reducing the comprehensive cost while improving the efficiency, simplifying wiring and having high intelligent degree.

Claims (9)

1. A power conversion switch system, characterized in that: comprises a controller, n adapters and n execution switches, wherein n is more than or equal to 2; a control cable and a communication cable are connected between the controller and each adapter, and a control cable and a communication cable are also connected between each adapter and each execution switch, wherein the control cable is used for transmitting control signals so as to realize the switching-on and switching-off control of the execution switch; the communication cable is used for data transmission among the controller, the adapter and the execution switch.
2. A power conversion switch system according to claim 1, characterized in that: the controller obtains a power supply voltage signal through a control cable between the adapter and the execution switch and a control cable between the adapter and the controller.
3. A power conversion switch system according to claim 1, characterized in that: the execution switch comprises a position signal feedback unit for detecting a position signal of the execution switch; the control cable is also used for detecting the transmission of signals, the execution switch sends the detected position signals of the execution switch to the adapter through the control cable, and the adapter sends the signals sent by the execution switch to the controller through the control cable.
4. A power transfer switching system according to claim 3, wherein: the execution switch further comprises a closing control device and a separating brake control device, wherein the closing control device and the separating brake control device acquire a closing control signal or a separating brake control signal which is transmitted by the controller and is transferred by the adapter through a control cable so as to execute corresponding closing or separating brake operation.
5. A power conversion switch system according to claim 1, characterized in that: the communication between the controller and the adapter and the execution switch is a two-level communication architecture, wherein the communication between the controller and the adapter is of a level I, the controller is a master station, the adapter is a slave station, and the adapter is provided with a communication address; the communication between the adapter and the executive switch is II level, the adapter is the master station, and the executive switch is the slave station.
6. A power conversion switch system according to claim 5, wherein: the execution switch comprises a current detection unit, a state detection unit and a communication module, wherein the current detection unit is used for detecting loop current; the execution switch sends the loop current detected by the current detection unit, the energy storage state of the electric operating mechanism of the execution switch detected by the state detection unit and intelligent diagnosis information of the execution switch to the adapter through the communication cable by utilizing the communication module, and then the adapter sends the intelligent diagnosis information to the controller through the communication cable.
7. A power conversion switch system according to claim 1, characterized in that: the communication between the controller and the adapter and the execution switch is a bus communication architecture, the controller is a master station, the adapter and the execution switch are slave stations, and the adapter and the execution switch are provided with communication addresses.
8. A power conversion switch system according to claim 7, wherein: the execution switch comprises a current detection unit, a state detection unit and a communication module, wherein the current detection unit is used for detecting loop current; the execution switch sends the loop current detected by the current detection unit, the energy storage state of the electric operating mechanism of the execution switch detected by the state detection unit and intelligent diagnosis information of the execution switch to the controller through a communication cable by utilizing the communication module.
9. A power conversion switch system according to claim 1, characterized in that: the adapter is provided with a local port and a remote port which are respectively used for realizing a local control mode and a remote control mode; the adapter receives a command sent by the controller to perform mode selection.
CN202320510506.1U 2023-03-16 2023-03-16 Power supply change-over switch system Active CN219535704U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320510506.1U CN219535704U (en) 2023-03-16 2023-03-16 Power supply change-over switch system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320510506.1U CN219535704U (en) 2023-03-16 2023-03-16 Power supply change-over switch system

Publications (1)

Publication Number Publication Date
CN219535704U true CN219535704U (en) 2023-08-15

Family

ID=87585595

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320510506.1U Active CN219535704U (en) 2023-03-16 2023-03-16 Power supply change-over switch system

Country Status (1)

Country Link
CN (1) CN219535704U (en)

Similar Documents

Publication Publication Date Title
CN112202571B (en) POE power transmission device, POE switch and POE system
CN219535704U (en) Power supply change-over switch system
CN202794902U (en) Intelligent switch system
CN215221827U (en) Dual-power intelligent control circuit and dual-power intelligent transfer switch
CN214474556U (en) Switch remote control system
CN213846702U (en) Wired control system for power supply on-off of equipment
CN211296561U (en) Reverse connection prevention high-current switching high-voltage box circuit
CN211015116U (en) Equipment switching system
CN215005763U (en) Circuit breaker monitoring device and monitoring system
CN207719792U (en) A kind of overvoltage/undervoltage protective device for electric system
CN112003599A (en) Novel solid-state relay and control method thereof
CN202837897U (en) Intelligent control system and intelligent control device
CN201629565U (en) Switch cabinet arc light protection system with compact structure
CN217983231U (en) Cloud distribution intelligent circuit breaker
CN109873500B (en) Multifunctional power supply adapter and application method thereof
CN219872168U (en) Intelligent switch applied to power distribution system
CN213904112U (en) Device for intelligently transforming traditional mechanical switch
CN213341673U (en) Power supply control device, power supply and traffic monitoring device
CN111293783B (en) Intelligent switch and control method
CN220894749U (en) Intelligent fluid control device
CN113422355B (en) Remote signaling remote control shared circuit for medium-voltage distribution recloser controller
CN209962956U (en) Intelligent switch device
CN218472774U (en) Power supply control device of circuit breaker
CN115236428B (en) Detection device and detection method for DTU power distribution terminal
CN209963484U (en) Hot plug type power distribution terminal

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant