CN209748009U - Power distribution terminal testing and control system - Google Patents

Abstract

The utility model provides a power distribution terminal test and control system, a cabinet body comprises a cabinet inner partition plate, a front cabinet door, a walking component and a cooling fan; the distance between the inner partition plates of two adjacent cabinets can be adjusted according to the size and specification of the electrical elements; the heat radiation fan is used for radiating heat of the cabinet body. Through above simple structure, the utility model provides a distribution terminal test and control system can accomplish relevant test operation's colleague smoothly, and its spatial layout flexibility is also higher, is applicable to the occasion of multiple difference, thereby the heat dissipation in time has kept the testing process to distribution terminal reliable and stable.

Description

Power distribution terminal testing and control system

Technical Field

the utility model relates to a distribution equipment's technical field especially relates to a distribution terminal test and control system among automatic testing platform system of distribution terminal.

Background

The distribution network is mainly a 10kv medium voltage system, and generally relates to a range from a main transformer low voltage side of a transformer substation and a low voltage bus to an electric power consumer, and is generally called a medium voltage distribution network. The distribution automation is that the modern electronic technology, communication technology, computer and network technology are utilized to integrate the real-time information, off-line information, user information, power grid structure parameters and geographic information of a distribution network to form a complete automatic management system, so that the monitoring, protection, control and distribution management of the distribution system under the normal operation and accident conditions are realized. The distribution automation terminal is a general name of various remote monitoring and control units installed in a medium-voltage distribution network, completes functions of data acquisition, control, communication and the like, and mainly comprises a feeder terminal, a station terminal and the like.

Along with the development of national economy, the demand of electric power is more and more vigorous, and the requirement on the electric energy quality and the power supply reliability is higher and higher, distribution automation is the inevitable direction of the future power distribution network development, and the reliable operation of a distribution automation system is the important basis of the healthy development of the power distribution network, so that in order to ensure that the distribution terminal equipment has higher operation quality and good interconnection interoperability, the function detection of the distribution terminal equipment before network access is very necessary in the process of constructing or transforming the smart power grid.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a distribution terminal test and control system, simple structure, spatial layout flexibility are higher and reliable and stable to distribution terminal's testing process.

In order to solve the technical problem, the utility model provides a following technical scheme:

A power distribution terminal test and control system comprises a cabinet body, a control module, an access module and a test module, wherein the control module, the access module and the test module are arranged in the cabinet body;

The control module is connected with the access module and the test module, and the access module provides an interface for controlling access for the test cabinet; the test module is equipment for testing a power supply to be tested; the control module is used for uniformly controlling the electrical system;

the test cabinet also comprises a body, and a communication module, a test component and an interface module which are arranged in the body;

The communication module is equipment for transmitting communication signals and is respectively connected with the test component and the power distribution terminal; the testing component is used for outputting voltage and current to test, and is connected with one end of the interface module; the interface module is an expansion port and connected equipment;

The cabinet body comprises a cabinet inner partition plate, a front cabinet door, a walking assembly and a cooling fan;

The cabinet internal baffles are sequentially arranged in the cabinet body at intervals along the longitudinal direction, the distance between two adjacent cabinet internal baffles forms an element arrangement space, and the distance is adjustable according to the size and specification of the electrical element; the front cabinet door is arranged at the front end of the cabinet body; the walking assembly is arranged at the bottom of the cabinet body; the heat radiation fan is used for radiating heat of the cabinet body.

Preferably, the heat dissipation fan further comprises a first fan arranged on the front cabinet door and a second fan arranged at the top of the cabinet body; and the first fan is used for supplying air to the cabinet body, and the second fan is used for exhausting air to the cabinet body.

Preferably, the access module further comprises an air switch, a time synchronization device, a liquid crystal display and a switch;

The air switch protects the electrical circuit; the time synchronization device provides accurate clock signals for each device of the test cabinet; the switch is used for connecting each test cabinet and the control module, so that the control module can control the equipment of each test cabinet; and the circuit state parameters are displayed by the liquid crystal display.

Preferably, the test module further comprises a waveform recorder, a wiring terminal and an electronic load;

The power of the equipment to be tested is connected to the electronic load through the wiring terminal, the electronic load simulates the electric equipment, and the waveform recorder grabs the voltage waveform of the power to be tested and is used for testing the voltage stability of the power of the equipment to be tested under the electric load.

preferably, in the arrangement space arranged along the longitudinal direction, the air switch, the time synchronization device, the switch, the control module, the liquid crystal display, the waveform recorder, the wiring terminal and the electronic load are sequentially arranged from top to bottom.

Preferably, a mouse and keyboard drawer formed by the cabinet internal partition plate is further arranged between the waveform recorder and the wiring terminal, and the mouse and keyboard drawer is connected with the control module.

Preferably, the cabinet body further includes a scan gun charging seat, a rack-type PDU, a load, an ac contactor, and a rail-type fuse.

The utility model provides a power distribution terminal test and control system, a cabinet body comprises a cabinet inner partition plate, a front cabinet door, a walking component and a cooling fan; the distance between the inner partition plates of two adjacent cabinets can be adjusted according to the size and specification of the electrical elements; the heat radiation fan is used for radiating heat of the cabinet body. Through above simple structure, the utility model provides a distribution terminal test and control system can accomplish relevant test operation's colleague smoothly, and its spatial layout flexibility is also higher, is applicable to the occasion of multiple difference, thereby the heat dissipation in time has kept the testing process to distribution terminal reliable and stable.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor. Wherein:

fig. 1 is a schematic view of an overall structure of a cabinet body in a control cabinet according to a first embodiment of the present invention;

Fig. 2 is a schematic view of a front door view-angle lower plane structure of the cabinet body according to the second embodiment of the present invention;

Fig. 3 is a schematic view of a back door viewing angle lower plane structure of the electronic component arrangement in the cabinet body according to the second embodiment of the present invention;

Fig. 4 is a schematic diagram illustrating the connection and communication of electronic components in a cabinet according to a second embodiment of the present invention;

fig. 5 is a schematic overall front view structure diagram of a test cabinet for detecting a power distribution terminal according to a third embodiment of the present invention;

Fig. 6 is a schematic view of the structure of the navigation plug-in hole of the testing cabinet for detecting the power distribution terminal of the present invention;

fig. 7 is a schematic diagram of three types of interface structures of the navigation plug-in hole of the test cabinet for detecting a power distribution terminal according to the present invention;

Fig. 8 is a schematic view of the communication flow of the test cabinet for detecting the power distribution terminal of the present invention;

Fig. 9 is a schematic front view of the expanding device of the testing cabinet for detecting the power distribution terminal of the present invention;

Fig. 10 is a schematic rear view of the expanding device of the testing cabinet for detecting a power distribution terminal according to the present invention;

fig. 11 is a schematic diagram of the overall rear view structure of the test cabinet for detecting the power distribution terminal of the present invention;

fig. 12 is a schematic structural view of a protection switch of the test cabinet for detecting a power distribution terminal of the present invention;

Fig. 13 is a schematic structural view of the test cabinet and the control cabinet for detecting the power distribution terminal according to the present invention;

Fig. 14 is a schematic view of an application structure of the connection device in the control cabinet of the power distribution terminal according to the present invention;

Fig. 15 is a schematic view of an overall structure of the connecting device according to an embodiment of the present invention;

fig. 16 is a schematic view of the overall structure of the outer shell of the male connector according to an embodiment of the present invention;

Fig. 17 is a schematic view of the overall structure of the sealing plate of the male plug according to an embodiment of the present invention;

Fig. 18 is a schematic view of an overall structure of the moving block of the male head according to an embodiment of the present invention;

fig. 19 is a schematic view of the overall structure of the connecting device without the housing according to an embodiment of the present invention;

fig. 20 is a schematic view of an overall structure of the housing of the female head according to an embodiment of the present invention;

Fig. 21 is a schematic view of the overall structure of the female moving block according to an embodiment of the present invention.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person having ordinary skill in the art without creative efforts shall belong to the protection scope of the present invention.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

furthermore, the references herein to "one embodiment" or "an embodiment" refer to a particular feature, structure, or characteristic that may be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Furthermore, the present invention will be described in detail with reference to the drawings, and in the detailed description of the embodiments of the present invention, for convenience of illustration, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

Meanwhile, in the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper, lower, inner and outer" and the like are based on the directions or positional relationships shown in the drawings, and are only for convenience of description of the present invention and simplification of description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. Furthermore, the terms first, second, or third are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The terms "mounted, connected and connected" in the present application are to be understood broadly, unless otherwise explicitly stated or limited, for example: can be fixedly connected, detachably connected or integrally connected; they may be mechanically, electrically, or directly connected, or indirectly connected through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to the schematic diagram of fig. 1, the schematic diagram of the overall structure of the cabinet body in the electrical circuit system of the whole power distribution terminal testing and control system is shown, the control cabinet is used for the installation and configuration of all electronic components in the automatic detection system of the power distribution terminal, the automatic detection of the power distribution terminal is used for the automatic testing of various types of power distribution terminals, and the automatic detection system is suitable for various occasions such as type detection, factory detection, sampling detection, arrival detection and the like. The control system components involved in the automatic detection system for the power distribution terminal are arranged in the cabinet body 100 as required, and the components are connected and communicated to realize the automatic detection of the power distribution terminal. In order to realize reasonable configuration, installation and heat dissipation of each electrical element and improve element performance and service life, in this embodiment, the cabinet body 100 includes a cabinet internal partition 101, a front cabinet door 102, a traveling assembly 103 and a heat dissipation fan 104. Specifically, the cabinet internal baffles 101 are sequentially arranged in the cabinet body 100 at intervals along the longitudinal direction, and the distance between two adjacent cabinet internal baffles 101 forms an element arrangement space S, and the distance is adjustable according to the size specification of the electrical element; the front cabinet door 102 is arranged at the front end of the cabinet body 100; the walking assembly 103 is arranged at the bottom of the cabinet body 100; the heat dissipation fan 104 is used for dissipating heat from the cabinet 100. It should be further noted that fig. 1 only illustrates a frame structure diagram of the cabinet 100, and no electronic component is installed therein, and it is understood by those skilled in the art that the arrangement space S is changed in size by adjusting the distance between the partitions 101 in the cabinet, so as to adapt to the installation of electronic components of different specifications, and for the change in the distance between the partitions 101 in the cabinet, this embodiment may be implemented by referring to the prior art, for example, similar to the size of the space adjusted after the partitions in the refrigerator are changed, and the cabinet 100 may also be provided with upper and lower sliding grooves corresponding to two ends of the partitions 101 in the cabinet, and the partitions 101 in the cabinet are slid into the corresponding sliding grooves for limiting, so as to change the distance. Further, for the installation of electric elements in arrangement space S, as will be known to those skilled in the art, referring to the prior art, the bottom of the electric element has an extended mounting plate, and the mounting plate is detachably installed between the cabinet inner partition plate 101 and the manner of a bolt, so that electronic elements can be selected for installation according to functional requirements in an electric system in arrangement space S, and automatic testing suitable for various types of power distribution terminals is realized.

further, the cabinet body 100 includes that preceding cabinet door 102 and the back cabinet door that sets up relatively are not shown in the figure, as an optimal scheme of this embodiment, radiator fan 104 is the silence fan that exists now, it is through the shock attenuation, reduce the rotational speed, optimize the motor and reach the silence effect, adopt intelligent control by temperature change silence module, the effective control to the fan rotational speed has been realized, with fan rotational speed control within a certain range, ensure the super low rotational speed operation of fan, combine the shock attenuation design, furthest has avoided the vibration noise, thereby the very big situation of improving the fan noise. A heat dissipation grid is added to the rear cabinet door for air circulation in the cabinet body 100; the front cabinet door 102 is a split door, and the two side doors are both provided with the heat dissipation fans 104, so that air can be supplied into the cabinet body 100, but attention needs to be paid to avoid the interference and the influence on the operation of the control module 200 caused by the convection of air blowing formed by the fans in the control module 200. And four silent fans and fan boxes are installed at the top of the cabinet body 100 and used for exhausting air in the cabinet body 100, and heat dissipation of the cabinet body 100 is realized through the modes of air supply at the bottom of the cabinet body 100 and air exhaust at the top. It should be understood by those skilled in the art that the operation of the fan will necessarily include power, cable, motor, and main switch of the power, and the operation is implicitly disclosed in this embodiment. Further, the traveling assembly 103 is disposed at the bottom of the cabinet 100, and may be implemented by referring to existing universal wheels, for example, for moving the cabinet 100.

Example 2

Referring to fig. 2 to 4, schematic diagrams of a plane structure in which each electronic component is disposed in the cabinet 100 in this embodiment are illustrated, and in order to implement automated testing of various types of power distribution terminals, the electrical components in this embodiment include a control module 200, an access module 300, and a test module 400. Specifically, the cabinet 100 includes a cabinet internal partition 101, a front cabinet door 102, a traveling assembly 103, and a cooling fan 104. Specifically, the cabinet internal baffles 101 are sequentially arranged in the cabinet body 100 at intervals along the longitudinal direction, and the distance between two adjacent cabinet internal baffles 101 forms an element arrangement space S, and the distance is adjustable according to the size specification of the electrical element; the front cabinet door 102 is arranged at the front end of the cabinet body 100; the walking assembly 103 is arranged at the bottom of the cabinet body 100; the heat dissipation fan 104 is used for dissipating heat from the cabinet 100. It should be further noted that fig. 1 only illustrates a frame structure diagram of the cabinet 100, and no electronic component is installed therein, and it is understood by those skilled in the art that the arrangement space S is changed in size by adjusting the distance between the partitions 101 in the cabinet, so as to adapt to the installation of electronic components of different specifications, and for the change in the distance between the partitions 101 in the cabinet, this embodiment may be implemented by referring to the prior art, for example, similar to the size of the space adjusted after the partitions in the refrigerator are changed, and the cabinet 100 may also be provided with upper and lower sliding grooves corresponding to two ends of the partitions 101 in the cabinet, and the partitions 101 in the cabinet are slid into the corresponding sliding grooves for limiting, so as to change the distance. Further, for the installation of electric elements in arrangement space S, as will be known to those skilled in the art, referring to the prior art, the bottom of the electric element has an extended mounting plate, and the mounting plate is detachably installed between the cabinet inner partition plate 101 and the manner of a bolt, so that electronic elements can be selected for installation according to functional requirements in an electric system in arrangement space S, and automatic testing suitable for various types of power distribution terminals is realized.

further, the cabinet 100 includes a front cabinet door 102 and a rear cabinet door (not shown in the figure) disposed oppositely, as a preferable solution of this embodiment, the heat dissipation fan 104 further includes a first fan 104a disposed on the front cabinet door 102, and a second fan 104b disposed at the top of the cabinet 100; the first fan 104a is used for blowing air into the cabinet 100, and the second fan 104b is used for exhausting air to the outside of the cabinet 100. The cooling fan 104 is a conventional silent fan, achieves a silent effect by damping, reducing the rotating speed and optimizing the motor, and adopts an intelligent temperature control silent module to effectively control the rotating speed of the fan, so that the rotating speed of the fan is controlled within a certain range, the ultra-low rotating speed operation of the fan is ensured, and vibration noise is avoided to the maximum extent by combining a damping design, thereby greatly improving the noise condition of the fan. A heat dissipation grid is added to the rear cabinet door for air circulation in the cabinet body 100; the front cabinet door 102 is a split door, and the two side doors are both provided with the heat dissipation fans 104, so that air can be supplied into the cabinet body 100, but attention needs to be paid to avoid the interference and the influence on the operation of the control module 200 caused by the convection of air blowing formed by the fans in the control module 200. And four silent fans and fan boxes are installed at the top of the cabinet body 100 and used for exhausting air in the cabinet body 100, and heat dissipation of the cabinet body 100 is realized through the modes of air supply at the bottom of the cabinet body 100 and air exhaust at the top. It should be understood by those skilled in the art that the operation of the fan will necessarily include power, cable, motor, and main switch of the power, and the operation is implicitly disclosed in this embodiment. Further, the traveling assembly 103 is disposed at the bottom of the cabinet 100, and may be implemented by referring to existing universal wheels, for example, for moving the cabinet 100.

Further, the present embodiment includes a control module 200, an access module 300 and a test module 400 disposed in the cabinet 100. More specifically, the control module 200 is connected to the access module 300 and the test module 400, and the access module 300 provides an interface for controlling access to the test cabinet; the test module 400 is a device for testing a power supply to be tested; the control module 200 provides uniform control of the electrical system.

It should be noted that the control module 200 is a control computer, and the control computer refers to a computer which is formed by software and hardware together and is used for completing a control task, and can form a computer control system. The computer is commonly called as computer, is a modern electronic computing machine for high-speed computation, can perform numerical computation and logic computation, has a memory function, and is modern intelligent electronic equipment capable of automatically processing mass data at high speed according to program operation. The computer system consists of hardware system and software system, and the computer without any software is named as bare computer. Its functions are mainly to interpret computer instructions and to process data in computer software. The CPU is composed of an arithmetic unit, a controller, a register, a cache and a bus for realizing the data, control and state of the connection among the arithmetic unit, the controller, the register and the cache. The CPU is also the highest execution unit of the entire system as the core of the entire system. It is understood that the control software of the present embodiment runs on the control module 200, is controlled by the control computer, and is mainly used for performing the power supply load test of the terminal to be tested.

Still further, referring to fig. 2, a schematic plan view of the cabinet 100 at a front door view is shown, wherein the access module 300 further includes an air switch 301, a time synchronization device 302, a liquid crystal display 303, and an exchanger 304; the air switch 301 protects the electrical circuit; the time synchronization device 302 provides accurate clock signals for each device of the test cabinet; the switch 304 is used for connecting each test cabinet with the control module 200, so that the control module 200 can control the equipment of each test cabinet; and the circuit state parameters are displayed by the liquid crystal display 303. The clock synchronization device 302 at the top of the cabinet 100 is a GPS clock synchronization device, can receive satellite clock synchronization signals, and then grants the signals to each test cabinet, so as to ensure clock synchronization, and has a GPS clock synchronization function and clock pulse leading edge deviation (losing satellite signals) of less than or equal to 10 μ s/min. And switch 304, meaning a "switch," is a network device used for forwarding of electrical-to-optical signals. It can provide an exclusive electrical signal path for any two network nodes accessing the switch, the most common switch is an ethernet switch, and other common switches are a telephone voice switch, an optical fiber switch and the like.

the test module 400 further comprises a waveform recorder 401, a connection terminal 402 and an electronic load 403; the power supply of the equipment to be tested is connected to the electronic load 403 through the wiring terminal 402, the electronic load 403 simulates the electric equipment, and the waveform recorder 401 captures the voltage waveform of the power supply to be tested and is used for testing the voltage stability of the power supply of the equipment to be tested under the electric load. The connecting terminal 402 is a conductive terminal arranged on the analog load interface and the output end, and the analog load interface comprises a permanent magnet structure power supply testing interface 402a, an elastic operating mechanism power supply testing interface 402b, an xPON power supply testing interface 402c and a GPRS/CDMA power supply testing interface 403d, and the output end comprises a direct current voltage output end and a direct current output end; the analog load interface is a power terminal interface, and different interfaces shown in the figure are different in testing different kinds of power distribution terminals. It should be further noted that, referring to the above-mentioned overall structural schematic diagram of the cabinet 100, in the installation space S arranged along the longitudinal direction, the air switch 301, the time synchronization device 302, the switch 304, the control module 200, the liquid crystal display 303, the waveform recorder 401, the connection terminal 402 and the electronic load 403 are sequentially arranged from top to bottom. Certainly, a mouse and keyboard drawer 404 formed by the cabinet internal partition board 101 is further arranged between the waveform recorder 401 and the connection terminal 402, and the mouse and keyboard drawer 404 is connected with the control module 200 and is a peripheral of the computer. Referring to fig. 4, the switch 304 adopts a standard 10/100M adaptive ethernet port, the waveform recorder 401 is connected to the switch 304 through an ethernet interface, the ethernet port of the waveform recorder 401 is connected to the switch 304, other test cabinets are also connected to the switch 304 through a network cable, and the switch 304 is connected to a control computer through a network cable, so that the control computer can control all devices after connection; the control computer is connected with the electronic load 403 through a USB interface of the server, the control computer is connected with the serial port converter through a DB9 interface, and the direct current output module (code number 12n) is connected to the serial port of the control computer through a 232-to-485 port, so that the control of the control computer on the power output of the direct current output module is realized; for example, the dc output module may be remotely controlled, for example by setting the voltage output at 10V on software on a control computer, which commands the output of the power supply via the channel.

in this embodiment, referring to fig. 3, a schematic plan view of a rear door of the cabinet 100 is shown, and in the figure, the cabinet 100 further includes a scan gun charging seat 105, a rack PDU106 (Power Distribution Unit), a load 107, an ac contactor 108, and a rail fuse 109 disposed on a back surface thereof. The scanning gun charging seat 105 is a control cabinet provided with a bar code scanning gun, and is connected into a power distribution terminal test system for recording a two-dimensional code of a device to be tested; the rack PDU106 is a socket bank; the ac contactor 108 is also a plug terminal block, and is an interface for facilitating wiring, and is used to connect a required device into the control cabinet; the rail fuse 109 is used to protect the line from overload. It should be understood by those skilled in the art herein that, for the connection cooperation among the electronic components installed in the cabinet 100, the complete electrical system must include line connections, switches, power supplies, etc., for example, the line configuration of the components in the power distribution system is obviously known, and implicitly disclosed in this embodiment, and other similar reasons.

In addition, in order to enable those skilled in the art to better understand the present application, in table 1 below and with reference to fig. 2 to 4, the numbers, names and models of the electronic components are listed in the table, it should be noted that the numbers of the electronic components in the table do not belong to the reference numerals of the present application, and therefore do not conflict with each other, and are merely described by the numbers, so that the following table 1 is illustrated, where JD/2JD is a plug terminal strip, which is a convenient interface for the wiring arrangement. 11n is an auxiliary power supply for supplying power. 26n and 27n are electronic loads 403 with different powers, and the tray is required to be supported and fixed; 1R/2R, etc., to test portions of the power supply of the device under test for different resistances.

The switch board that this embodiment provided is when testing: firstly, a time setting device 302 of the GPS provides accurate clock signals for each device of the test cabinet; signals of all the test cabinets are accessed to the computer through the switch 304 and are uniformly controlled by the computer; when a power supply test is carried out, the control computer controls the waveform recorder 401 and the electronic load 403 to complete the test, and a plurality of electronic loads and interfaces are arranged, so that the test requirements of different devices to be tested are met. The waveform recorder 401 is used in cooperation with two electronic loads 403 below, and the electronic loads 403 can be understood as a programmable resistor (similar to electric equipment) which is used in practice to connect the power supply of the equipment to be tested to the electronic loads 403; the electronic load 403 simulates the resistance change of the electric equipment, and finally, the waveform recorder 401 captures the voltage waveform of the power supply to be tested; the power supply for testing the equipment to be tested can keep the voltage stable when the power load is large, and the testing process is completed.

Table 1:

Code number	name of component	Model number
			1n	Waveform recorder	FTT130-D3
AK	AC air switch	S202-C32
			AK1～2/4	AC air switch	S202-C16
AK3	AC air switch	S202-C3
			28n	Clock time setting device	iPACS-5785-FL-D163203
22n	Switch	SOHO-S1024R-CN
			23n	Control computer	W55-G10 (Rack type)
24n	Liquid crystal display device with a light guide plate	P1917S
			27n	Low-power electronic load instrument	IT8812
26n	High-power electronic load instrument	IT8818B
			11n	Power supply module	DR-3024
12n	direct current output module	MR-AO04
			2n	Permanent magnet switch controller	SYC100
1KA～6KA	AC contactor	CDCH8S4022N
			1R	Gold resistor	RX24
2R	Aluminum shell resistor	RXLG(3.8R)
			3R	aluminum shell resistor	RXLG(5.3R)
CZ1～2	Rack-mounted PDU	NKP-DY-IIIU-16a
			CX3	Serial port converter	485A

Example 3

referring to fig. 5, in this embodiment, an overall structure diagram of a test cabinet for detecting a power distribution terminal is provided, based on the above embodiment, it is understood that the control cabinet establishes communication with the test cabinet through the switch 304, the network cable is connected to the switch 304 through each other test cabinet, the switch 304 connects the network cable to the control module 200, and the time synchronization device 302 in the control cabinet maintains synchronous test on the test cabinet through the switch 304 by acquiring a clock signal, or performs independent test, for example, a typical configuration "1 + 6", i.e., 1 control cabinet plus 6 test cabinets, to implement independent or synchronous test of each test unit.

Further, as shown in fig. 5, a test cabinet is provided, which includes a body 500, and a communication module 600, a test assembly 700 and an interface module 800 which are disposed in the body 500; the communication module 600 is a device for transmitting communication signals, and the communication module 600 is respectively connected with the test assembly 700 and the power distribution terminal; the test component 700 is used for outputting voltage and current to perform testing, and the test component 700 is connected with one end of the interface module 800; and, the interface module 800 is an expansion port and connected device. Specifically, the utility model discloses the major structure includes body 500 and sets up communication module 600 in body 500, test assembly 700 and interface module 800, communication module 600, mutually support between test assembly 700 and the interface module 800, can be simultaneously to the multiloop voltage at distribution terminal, the electric current, open into, open out, a power supply, the consumption test etc. is connected, thereby realize the voltage and current precision to distribution terminal, the effect that multinomial tests such as fault simulation carried out the monitoring, greatly increased its practical performance, and all carried out unified control by the switch board of connecting through switch 304.

the communication module 600 is a device for transmitting communication signals, and the communication modules 600 are connected with the test assembly 700 and the power distribution terminal, so that the test assembly 700 and the power distribution terminal can transmit measurement data to the control device; the test component 700 outputs voltage and current and monitors the output voltage, current and switching value, and the test component 700 is connected with one end of the interface module 800; the interface module 800 is an expansion port and connected device, and plays a role of connecting the power distribution terminal. Further, body 500 includes the cabinet shell, cabinet door and extension board, the cabinet door passes through hinged joint with the cabinet shell, the extension board sets up in the cabinet shell, both accessible welding or bolted connection, its communication module 600, test assembly 700 and interface module 800 are installed respectively on extension board or cabinet shell inner wall, its body 500 adopts stainless steel material to make, and is better, the same heat dissipation fan with the switch board is installed respectively to the body roof and the curb plate of body 500, this internal steam is distributed away to the heat dissipation fan on the roof, and the radiator fan on the curb plate is used for blowing into this internally with cold wind, can refer to the above-mentioned description to the fan on the switch board.

Referring to fig. 5 to 8, the present embodiment is further different from the above embodiments in that: the test assembly 700 includes a programmable power supply 701, a display assembly 702, and a programmable ac power source 703, and functions to output voltage and current and monitor the output voltage and current and the switching value. Specifically, the test module 700 outputs voltage and current, and monitors the output voltage, current, and switching value, and includes a programmable power supply 701, a display module 702, and a programmable ac power supply 703; the programmable power supply 701 has a power supply function, the programmable power supply 701 can output a 1-700V alternating-current power supply with variable amplitude and frequency according to test requirements, the test terminal can measure the telemetering precision under different power supply conditions, the test terminal transmits power to the navigation plug-in hole 801 of the interface module 800, the output end of the programmable power supply 701 is connected with the 4P1 interface input end of the navigation plug-in hole 801, the 4P1 interface output end is connected with the power distribution terminal, power supply for the power distribution terminal can be achieved, the programmable power supply 701 is connected with the serial server 601 of the communication module 600 in a bidirectional transmission mode, and the bidirectional transmission means that a system can send information to a user from the front end, namely downlink transmission, and can also send information to the front end by the user, namely uplink transmission; the program-controlled ac power source 703 is used for providing controllable voltage and current for testing, and has a control board, a voltage board and a current board inside, the control board receives a control signal from the switch 602 of the test cabinet and then distributes an instruction to the voltage board and the current board to control and output voltage and current with different amplitudes, of course, the switch 602 of the test cabinet is disposed on the test cabinet, the switch 304 is disposed on the control cabinet, and the switch communicate with each other to realize connection between the test cabinet and the control cabinet. Specifically, the programmable ac power source 703 is connected to the display module 702 and the expansion module 802 of the interface module 800, and the display module 702 and the expansion module 802 of the interface module 800 are connected in parallel and then connected in series to the programmable ac power source 703.

further, the display module 702 includes an electric energy meter 702a and a test waveform recorder 702b, the electric energy meter 702a is an instrument for measuring electric energy, and specifically, is used for measuring electric energy parameters output by the program-controlled power source 703, and transmits measured data to the control device for approval through the serial server 601 and the test switch 602 of the communication module 600 in sequence, so that the electric quantity generated by the program-controlled alternating-current power source 703 can be regulated and controlled according to actual conditions, and the electric energy meter 702a is connected with the serial server 601 in a serial communication manner (serial communication refers to a communication manner of transmitting data between a peripheral and a computer by bit through a data signal line, a ground line, a control line and the like); the test waveform recorder 702b is used for recording the measured voltage and current waveforms of the program-controlled ac power source 703 and is arranged in parallel with the electric energy meter 702a, and after the recorded data signals are transmitted to the control device through the switch 602, the data signals are compared with the output of the power distribution terminal, and the test waveform recorder 702b and the test switch 602 are transmitted through the ethernet protocol. Among other things, the test switch 602 is a "switch" that is a network device for electrical (optical) signal forwarding. The serial server 602 is a device accessing serial communication and is converted into an Ethernet mode to access the test switch 602.

further, the navigation plug-in hole 801 mainly includes 8 26-core navigation plugs (current and open-close), 1 4-core navigation plug (power supply), and 2 10-core navigation plugs (voltage), and the 8 26-core navigation plugs, 1 4-core navigation plug (power supply), and 2 10-core navigation plugs (voltage) are respectively represented by 26P 1-8, 10P1, and 10P 1-2.

Wherein the 26-core pinout definition, the 4-core pinout, the pinout definition, and the 4-core pinout definition are listed in the following table:

TABLE 1 local interface 26 core avionics interface definition

TABLE 2 local interface 4-core aviation plug definition

TABLE 3 local interface 10-core aviation plug definition

Referring to fig. 9 to 11, the present embodiment is also different from the above embodiments in that: the interface module 800 also includes an expansion component 802, the expansion component 802 providing a basis for expanding port devices to simultaneously multiplex testing of power distribution terminals. Specifically, the interface module 800 further includes an expansion component 802, the expansion component 802 is an expansion port device, and provides a basis for testing the power distribution terminal in multiple ways at the same time, specifically, the expansion component 802 transmits the output of the programmable power source 703 to each loop interval of the power distribution terminal through the navigation plug hole 801 by self-control and switching, the expansion component 802 is connected with the navigation plug hole 801, wherein the expansion component 802 includes an input end 802a, an output end 802b, a switching value port 802c, and a control panel 802d, a start switch and a power interface are disposed on the control panel 802d, so as to control the opening of the expansion component 802, the input end 802a and the output end 802b are respectively connected with the programmable ac power source and the navigation plug hole 801, the expansion component 802 is connected with the programmable ac power source 703 through an ethernet protocol, further, the input end 802a is distinguished as a current interface and a voltage interface, the current interface and the voltage interface are respectively connected with the current interface and the voltage interface of the program-controlled alternating current power source 703 correspondingly, the output end 802b is distinguished as the current interface and the voltage interface, the voltage interface of the output end 802b is connected with the 50P1 and the 50P1 of the navigation plug-in hole 801, the switching value port 802c comprises a switching value input interface 802c-1 and a switching value output interface 802c-2, the switching value input interface 802c-1 is connected with a configuration terminal, the switching value output port 802c-2 and the output port 802b are connected with 25P 1-8 of the navigation plug-in hole 801. it should be noted that the voltage and current of the expansion component 802 are output by switching the expansion port in the form of relay matrix in the expansion component 802 into multiple channels, and the switching value input and the switching value output are realized by expanding a plurality of interfaces in a manner of expanding an internal bus of the expansion component 802.

furthermore, the extension module 802 further includes a communication interface 802e and a power interface 802f, the number of the extension circuits implemented by the extension module 802 is controlled by the programmable ac power source 703, the communication interface 802e is connected to the programmable ac power source 703 through an ethernet protocol, the communication interface 802 is divided into a DB15 bus inlet and a DB15 bus outlet, the DB15 bus inlet and the DB15 bus outlet are respectively connected to the communication outlet and the communication inlet of the programmable ac power source 703, and the power interface 802f is connected to the protection module 901 of the security module 900, it should be noted that, in order to meet the interface requirements for the power distribution terminal equipment, the expanded channel at least meets the following requirements: an opening component: 32 input quantities, passive nodes and short circuits in the public end; an output component: 32 output ports, a passive interface and a short circuit in the public end; voltage components: single-module capacity 4-way voltage; a small current component: measuring the current; sampling precision, and generally connecting a line loss module; and (3) large-current assembly: protecting the current; an alternating current power supply with an output range of 0-40A: two paths of power output interfaces, AC220V, power frequency and platform control output; a direct-current power supply: two-way, power output interface, DC48V and DC 24V.

further, the interface module 800 further includes a power strip 803 and a terminal strip 804, the power strip 803 is used for connecting a plug, and the terminal strip 804 functions as a wire.

Further, serial server 601 is provided with serial server interfaces 601a, the number of serial server interfaces 601a is greater than 2, serial server 601, program-controlled alternating current power source 703 and test waveform recorder 702b are all connected with test switch 602 of communication module 600 by adopting an ethernet protocol, and preferably, serial server interface 601a adopts a DB9 interface.

The serial server interface 601a adopts DB9 interface, and is configurable for RS232/422/485, and the terminal definition is as follows:

Referring to fig. 11 to 12, the mobile phone further includes a security module 900, the security module 900 is disposed in the body 500, and the security module 900 includes a protection switch 901 and an emergency button 902. Specifically, the security module 900 is disposed in the body 500; the safety module 900 includes a protection component 901, the protection switch 901 is distinguished as a main air switch 901a and a sub-control air switch 901b, an input end of the sub-control air switch 901b is connected with the main air switch 901a, an output end of the sub-control air switch 901b is respectively connected with the communication module 600, the test component 700 and the interface module 800, wherein the air switch is also called an air circuit breaker, and is a kind of circuit breaker, which is a switch that can be automatically disconnected when a current in a circuit exceeds a rated current, and can complete contact and disconnection of the circuit, and can protect a short circuit, a severe overload, an undervoltage and the like of the circuit or electrical equipment. Further, the security module 900 further includes an emergency button 902, and the emergency button 902 is connected to the main air switch 901 a; further, the protection assembly 901 further includes a storage battery 901c, a fuse 901d and a power switch 901e, the power switch 901d and the storage battery 901c are both connected to the main air switch 901a, and the fuse 901c is connected in series in the circuit for protection.

example 4

Referring to fig. 14 to 21, the present invention provides a fourth embodiment, which is different from the above embodiments: in this embodiment, in the process of performing power supply testing, the power line and the power plug are provided with the connecting device 1000, so that the connection sealing performance and the connection stability of the power line are ensured, and meanwhile, in order to meet the requirements of replacing plugs in different load tests, the interface at the connecting terminal 402 is replaced with the connecting device 1000 provided in this embodiment. Specifically, the connection device 1000 is divided into a male head M and a female head N, the male head M and the female head N are symmetrically arranged, the internal structures are also similar, as shown in fig. 14, the male head M serves as a power socket, it is easy to understand that the internal connection relationship between the male head M and the load device can refer to the circuit connection between the socket and the load in the prior art, the female head N is arranged at the output end of the power device to be tested, the connection mode is a conductive wire connection, and thus when the power device to be tested needs to be connected into the load, the connection can be realized only by butting the male head M and the female head N.

Further, in this embodiment, the male tab M is taken as an example to specifically describe. The connecting device 1000 comprises a shell 1001, a moving block 1002 and a terminal 1003, wherein the moving block 1002 and the terminal 1003 are sleeved in the shell 1001 to form port sealing of the terminal.

the wiring terminal 1003 is provided with a wire insertion hole 1003a, in this embodiment, the wire insertion hole 1003a is specifically described by taking two wires as an example, the two inserted wires are divided into a first wire a and a second wire B, a first hollow sleeve 1003B is further provided at the insertion opening of the first wire a, the first hollow sleeve 1003B is made of a conductive material, and the first wire a is connected with the first hollow sleeve 1003B after being inserted into the wire insertion hole 1003 a.

The moving block 1002 is matched with the wiring end 1003, and the inner part of the moving block is sunken to form an accommodating space of a semi-surrounding structure and comprises a second hollow sleeve 1002a, a first protruding block 1002b, a second protruding block 1002c, a guide hole 1002d, a communicating hole 1002e and a clamping hook 1002 f.

The guide hole 1002d and the communication hole 1002e both penetrate through the end surface of the moving block 1002, and the second hollow sleeve 1002a penetrates through the communication hole 1002e and is fixedly connected with the inside of the communication hole 1002 e. When the moving block 1002 is fitted with the terminal 1003, the first hollow sleeve 1003B is inserted into the guide hole 1002d and the second thread B is inserted into the communicating hole 1002e, and at this time, the first thread a and the second thread B pass through the wire insertion hole 1003a, the first thread a is connected with the first hollow sleeve 1003B, and the second thread B is connected with the second hollow sleeve 1002 a.

The first protruding block 1002b is provided on the edge of the outer contour of the moving block 1002 and protrudes from the outer surface of the moving block 1002.

the second protruding piece 1002c is provided inside the moving block 1002, and is formed by being extended from the inner wall of the moving block 1002 in the center direction, and the highest point of the moving block 1002 is the same as the highest point of the second protruding piece 1002 c.

Hooks 1002f extend outward from the inside of the end face of moving mass 1002 and protrude from the surface of moving mass 1002.

Preferably, a first groove 1002g is formed in the moving block 1002, and the position of the first groove 1002g and the position of the hook 1002f are symmetrical with respect to the center of the end surface of the moving block 1002.

Preferably, in order to adapt the first recess 1002g and the hook 1002f to the shape of the moving block 1002, both have circular arc-shaped cross sections.

In this embodiment, the positions of the first recess 1002g and the hook 1002f do not interfere with the first hollow sleeve 1003b and the second hollow sleeve 1002 a.

The housing 1001 is nested with the terminal 1003, so that the housing 1001 and the terminal 1003 have the same diameter and comprise a bottom surface 1001a and a side surface 1001b, the bottom surface 1001a and the side surface 1001b are connected to form a semi-enclosed structure, and the bottom surface 1001a is provided with a second groove 1001a-1, a positioning block 1001a-2, a first positioning groove 1001a-3, a second positioning groove 1001a-4, a hook placing groove 1001a-5, a first through hole 1001a-6 and a second through hole 1001 a-7. Two limiting grooves 1001b-1 are arranged in the side surface 1001b in a centrosymmetric manner, and the limiting grooves 1001b-1 are L-shaped and are mutually buckled with the first protruding blocks 1002 b.

Second recess 1001a-1 is axisymmetrical with respect to bottom surface 1001a, and has a cross-section of "8" type, first through-hole 1001a-6 and second through-hole 1001a-7 are symmetric with respect to the center of bottom surface 1001a, and first through-hole 1001a-6 and second through-hole 1001a-7 are provided in second recess 1001 a-1.

When the male head M and the female head N are matched with each other, the male head M and the female head N are aligned through the positioning blocks 1001a-2 and the first positioning grooves 1001a-3 of the male head M and the female head N, and the male head M and the female head N are convenient to insert.

the first protruding block 1002B on the male head M is matched with the limiting groove 1001B-1' of the female head N, when the two are matched in the vertical direction, the first protruding block 1002B moves along the vertical direction (the direction of a bus) of the limiting groove 1001B-1, the first hollow sleeve 1003B is inserted into the guide hole 1002d, the second wire B is inserted into the communicating hole 1002e, the first wire a and the second wire B penetrate through the wire inserting hole 1003a, the first wire a is connected with the first hollow sleeve 1003B, and the second wire B is connected with the second hollow sleeve 1002 a. At this time, the first hollow sleeve 1003b and the second hollow sleeve 1002a respectively extend out of the first through hole 1001a-6 and the second through hole 1001a-7 to be indirectly connected with the third wire C and the fourth wire D on the female head N. The hook 1002f extends out of the hook receiving slot 1001 a-5.

Then, the male head M is rotated, so that the first protruding block 1002b transversely rotates into the tail end of the limiting groove 1001 b-1', and the male head M and the female head N are mutually buckled and locked to be mutually limited.

Meanwhile, the second protrusion 1002c is clamped by the hook 1002f 'of the female head N and is placed in the third positioning groove 1001 a-4' of the female head N to realize fixed connection, so that the wire is directly connected with the wire.

preferably, the limiting groove 1001b-1 is provided with a spring buckle 1001b-11, and the spring buckle 1001b-11 limits the third protruding block 1002 b' clamped in the limiting groove 1001 b-1.

Preferably, the connecting device 1000 further includes a sealing plate 1004, the sealing plate 1004 is fixed to the bottom surface 1001a and is disposed in the second groove 1001a-1, and both sides of the sealing plate 1004 are provided with bevel edges 1004 a.

In general, the sealing plate 1004 seals the first through-hole 1001a-6 and the second through-hole 1001a-7, and when the male head M and the female head N are fitted to each other, the first hollow sleeve 1003b and the second hollow sleeve 1002a abut against the tapered sides 1001a-11, so that the sealing plate 1004 is rotated in the second groove 1001a-1, and then the first hollow sleeve 1003b and the second hollow sleeve 1002a pass through the first through-hole 1001a-6 and the second through-hole 1001 a-7.

Preferably, a return spring 1002k is arranged in the moving block 1002, and when the male head M and the female head N are matched with each other, the return spring 1002k is in a compressed state and just abuts against the sealing plate 1004, so that when the male head M and the female head N are detached, the first protruding block 1002b can be reset.

it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims (7)

1. a power distribution terminal test and control system characterized in that: the intelligent cabinet comprises a cabinet body (100), and a control module (200), an access module (300) and a test module (400) which are arranged in the cabinet body (100);

the control module (200) is connected with the access module (300) and the test module (400), and the access module (300) provides an interface for controlling access for the test cabinet; the test module (400) is equipment for testing a power supply to be tested; the control module (200) is used for uniformly controlling the electrical system;

The test cabinet also comprises a body (500), and a communication module (600), a test component (700) and an interface module (800) which are arranged in the body (500);

The communication module (600) is a device for transmitting communication signals, and the communication module (600) is respectively connected with the test component (700) and the power distribution terminal; the testing component (700) is used for outputting voltage and current to be tested, and the testing component (700) is connected with one end of the interface module (800); the interface module (800) is an expansion port and connected equipment;

The cabinet body (100) comprises a cabinet inner partition plate (101), a front cabinet door (102), a walking assembly (103) and a cooling fan (104);

The cabinet internal baffles (101) are sequentially arranged in the cabinet body (100) at intervals along the longitudinal direction, the space between two adjacent cabinet internal baffles (101) forms an element arrangement space (S), and the space is adjustable according to the size and specification of electrical elements; the front cabinet door (102) is arranged at the front end of the cabinet body (100); the walking assembly (103) is arranged at the bottom of the cabinet body (100); the heat dissipation fan (104) is used for dissipating heat of the cabinet body (100).

2. The power distribution terminal test and control system of claim 1, wherein: the heat dissipation fan (104) further comprises a first fan (104a) arranged on the front cabinet door (102) and a second fan (104b) arranged at the top of the cabinet body (100); the first fan (104a) is used for supplying air into the cabinet body (100), and the second fan (104b) is used for exhausting air into the cabinet body (100).

3. The power distribution terminal test and control system of claim 2, wherein:

The access module (300) further comprises an air switch (301), a time synchronization device (302), a liquid crystal display (303) and a switch (304);

The air switch (301) protects the electrical circuit; the time synchronization device (302) provides accurate clock signals for each device of the test cabinet; the switch (304) is used for connecting each test cabinet with the control module (200) so that the control module (200) can control the equipment of each test cabinet; and the circuit state parameters are displayed by the liquid crystal display (303).

4. the power distribution terminal test and control system of claim 3, wherein: the test module (400) further comprises a waveform recorder (401), a connection terminal (402) and an electronic load (403);

The power of the equipment to be tested is connected to the electronic load (403) through the wiring terminal (402), the electronic load (403) simulates the electric equipment, and the waveform recorder (401) grabs the voltage waveform of the power to be tested and is used for testing the voltage stability of the power of the equipment to be tested under the electric load.

5. The power distribution terminal test and control system of claim 4, wherein: along vertical range in arrangement space (S), from top to bottom set gradually air switch (301), to time device (302), switch (304), control module (200), LCD (303), waveform recorder (401), binding post (402) and electronic load (403).

6. the power distribution terminal test and control system of claim 5, wherein: a mouse and keyboard drawer (404) formed by the cabinet inner partition plate (101) is further arranged between the waveform recorder (401) and the wiring terminal (402), and the mouse and keyboard drawer (404) is connected with the control module (200).

7. The power distribution terminal test and control system of any of claims 1 to 6, wherein: the cabinet body (100) further comprises a scanning gun charging seat (105), a rack type PDU (106), a load (107), an alternating current contactor (108) and a guide rail type fuse (109) which are arranged on the back face of the cabinet body.