CN223389792U - Micro-grid system stability detection device - Google Patents

Abstract

The present application discloses a microgrid system stability detection device, including a connecting device and a detection component, wherein the two ends of the connecting crossbar are respectively connected to one end of two connecting vertical rods, a contact groove is opened in the middle of the connecting crossbar, and two first contacts are arranged in the contact groove, the first contacts are connected to the wires in the connecting crossbar, and second contacts are respectively arranged on both sides of the connecting block, a voltage sensor is arranged in the shell, and the voltage sensor is electrically connected to the second contacts, the side of the connecting crossbar is connected to the placement table, the rear end of the shell is rotatably connected to the placement table through a rotating shaft, the bottom surface of the shell is connected to one end of a spring, and the other end of the spring is connected to the upper end surface of the placement table; when the shell is pressed down to compress the spring, the two second contacts are respectively contacted and connected with the corresponding first contacts, so that the voltage sensor is connected in parallel with the microgrid circuit to be detected, so as to realize voltage detection of the microgrid circuit, and judge the stability of the microgrid system by the voltage detection data.

Description

Micro-grid system stability detection device

Technical Field

The utility model belongs to the technical field of power grid equipment, and particularly relates to a stability detection device of a micro-grid system.

Background

The micro-grid system (micro) is a small power generation and distribution system which is composed of a distributed power supply, an energy storage device, electric equipment, an energy conversion device, control protection equipment and the like, can be connected with a large power grid for operation, can also independently operate, and can be used as an independently controllable unit, so that the utilization rate of the distributed power supply can be effectively improved, the power supply quality is improved, the line loss is reduced, and the power supply reliability is enhanced.

The voltage is a key index of stable operation of the micro-grid, equipment damage, system instability and even shutdown are caused by too high or too low voltage, and the detection voltage can optimize a control strategy of the micro-grid system, such as adjusting the output power of a distributed power supply, controlling the charge and discharge of an energy storage system and the like, so that the operation efficiency and the stability of the system are improved.

Disclosure of utility model

The application provides a stability detection device of a micro-grid system, which is used for detecting the voltage stability of a micro-grid circuit so as to ensure the stable operation of the micro-grid system.

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

The utility model provides a micro-grid system stability detection device, includes connecting device and detection component, connecting device is including connecting montant and connecting the horizontal pole, connect the horizontal pole both ends respectively with two connect montant one end and be connected, the connection montant other end is provided with the chuck, be provided with the wire that is connected with the chuck in the connection montant, the contact groove has been seted up at the connection horizontal pole middle part, be provided with two first contacts in the contact groove, two first contacts are connected with the wire in the connection horizontal pole respectively, the wire in the connection horizontal pole with the wire in the connection montant is connected, detection component includes the shell, the shell front end is provided with the connecting block, connecting block both sides face is provided with the second contact respectively, be provided with voltage sensor in the shell, voltage sensor's input and second contact electric connection, voltage sensor's output is connected with the treater through the data line, the display screen of treater and shell up end is connected through the data line, the side connection of connecting the horizontal pole has place the platform, the shell bottom surface is connected with the end through rotating the wire, the other end is connected with the spring platform is placed to the end, the end is connected with the end through rotating the spring platform.

In one embodiment of the application, the upper end surface of the placing table is provided with limiting plates, and the limiting plates are arranged on two sides of the shell.

In one embodiment of the application, the front end of the connecting block is provided with a jack, and the outer wall of the contact groove is provided with a through hole.

In one embodiment of the application, the upper end surface of the placement table is connected with the bottom surface of the shell through a plurality of springs.

In one embodiment of the application, the outer walls of the connecting vertical rods and the connecting cross rods are sleeved with insulating shells.

In one embodiment of the application, the connecting vertical rod is detachably connected with the connecting cross rod.

In one embodiment of the application, the side wall of the connecting vertical rod is connected with a fixed block, and the fixed block is provided with a mounting hole.

In summary, the technical scheme provided by the application has the beneficial effects that the shell is supported by the spring in an initial state, the first contact and the second contact are in an open circuit state, when the shell is pressed down to compress the spring, the two second contacts are respectively connected with the corresponding first contacts to enable the voltage sensor to be connected with the micro-grid circuit to be detected in parallel, so that the voltage detection of the micro-grid circuit is realized, the stability of the micro-grid system is judged through the data of the voltage detection, abnormal fluctuation can be found in time through detecting the voltage of each place of the micro-grid system, and corresponding control measures are adopted to ensure the safe and stable operation of the micro-grid system.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of a stability detection device of a micro-grid system according to an embodiment of the present application;

fig. 2 is a schematic perspective view of a stability detection device of a micro-grid system according to an embodiment of the present application;

Fig. 3 is a schematic diagram of an assembly structure of a fixing block of a stability detection device of a micro-grid system according to an embodiment of the present application;

Fig. 4 is a schematic circuit diagram of a stability detection device of a micro-grid system according to an embodiment of the present application;

In the figure, a connecting device-1, a connecting vertical rod-11, a connecting cross rod-12, a chuck-111, a fixed block-112 and a mounting hole-113;

a contact groove-2, a first contact-21;

The device comprises a shell-3, a connecting block-31, a voltage sensor-32, a processor-33, a display screen-34 and a second contact-311;

Placing a table-4, rotating a shaft-41 and a limiting plate-42;

A spring-5;

jack-61, through hole-62.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be clearly and completely described below, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are also within the scope of the application.

It should be noted that in the description of the present application, the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.

The terms "mounted," "connected," "coupled," and "connected" in this disclosure are to be construed broadly, and they may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, directly connected, or indirectly connected via an intermediate medium, or may be a communication between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art in a specific case.

In embodiments of the application, words such as "exemplary" or "such as" are used to mean serving as an example, instance, or illustration. Any embodiment or design described herein as "exemplary" or "e.g." in an embodiment of the present application is not to be taken as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "such as" is intended to present related concepts in a concrete fashion.

The utility model provides a micro-grid system stability detection device, referring to fig. 1-4, including connecting device 1 and detection component, connecting device 1 is including connecting montant 11 and connecting horizontal pole 12, connecting horizontal pole 12 both ends respectively with two connecting montant 11 one end is connected, the connecting montant 11 other end is provided with chuck 111, be provided with the wire that is connected with chuck 111 in the connecting montant 11, connecting horizontal pole 12 middle part has seted up contact tank 2, be provided with two first contacts 21 in the contact tank 2, two first contacts 21 are connected with the wire in the connecting horizontal pole 12 respectively, the wire in the connecting horizontal pole 12 with the wire in the connecting montant 11 is connected, detection component includes shell 3, the shell 3 front end is provided with connecting block 31, connecting block 31 both sides face is provided with second contact 311 respectively, be provided with voltage sensor 32 in the shell 3, voltage sensor 32's input and second contact 311 electric connection, voltage sensor 32's output and processing ware 33 are connected with the terminal surface of a data link 33, the end is placed with the end face of a terminal surface of a desk 4 through the data connection 33 in the data link to the end of a data link to each other in the shell 3, the end face of a desk 4 is placed with the end of a display screen 4, the end of a desk 4 is connected with the end of a display screen 4 through the end of a data link to the end of a data link 4, the end of a 4 is placed on the shell 4.

In the above embodiment, the connecting device 1 includes the connecting vertical rod 11 and the connecting horizontal rod 12, the two ends of the connecting horizontal rod 12 are respectively connected with two ends of the connecting vertical rod 11, and the connecting vertical rod 11 is internally provided with the wires connected with the clamping heads 111, the wires in the connecting horizontal rod 12 are connected with the wires in the connecting vertical rod 11, the middle part of the connecting horizontal rod 12 is provided with the contact groove 2, two first contacts 21 are arranged in the contact groove 2, the first contacts 21 are connected with the wires in the connecting horizontal rod 12, and the wires in the two connecting horizontal rods 12 are respectively connected with the wires in the connecting vertical rod 11. In actual use, the two chucks 111 are respectively clamped on two sides of a circuit of a tested device or a tested circuit element, and the clamping connection of the circuit through the chucks 111 improves stability compared with the connection of a handheld connecting end, so that the contact of a human body with an electrical appliance element is avoided, and the two second contacts 311 are in an open circuit state in an initial state. Further, the detection component comprises a housing 3, a connecting block 31 is arranged at the front end of the housing 3, second contacts 311 are respectively arranged on two side surfaces of the connecting block 31, the two second contacts 311 are respectively connected with the two first contacts 21, a voltage sensor 32 is arranged in the housing 3, and an input end of the voltage sensor 32 is electrically connected with the second contacts 311 and used for detecting voltage between the two second contacts 311 and converting the voltage into a voltage value. The optional voltage sensor 32 is a voltmeter, the output end of the voltage sensor 32 is connected with the processor 33 through a data line, and the processor 33 is used for converting the voltage value into a display signal and transmitting the display signal to the display screen 34 on the upper end face of the shell 3, specifically displaying the voltage value or converting the voltage value into an image, more intuitively observing the voltage value, and storing and recording the voltage value. Optionally, the processor 33 is a microprocessor MCU, the side edge of the connecting cross bar 12 is connected with the placing table 4, the rear end of the housing 3 is rotationally connected with the placing table 4 through the rotating shaft 41, the bottom surface of the housing 3 is connected with one end of the spring 5, the other end of the spring 5 is connected with the upper end surface of the placing table 4, in the initial state, the spring 5 supports the housing 3, the first contact 21 and the second contact 311 are in the open circuit state, when the housing 3 is pressed down, the spring 5 is compressed, the two second contacts 311 are respectively connected with the corresponding first contacts 21 in contact, so that the voltage sensor 32 is connected with a micro-grid circuit to be detected in parallel, voltage detection on the micro-grid circuit is realized, stability of the micro-grid system is judged through voltage detection data, abnormal fluctuation can be found in time through detecting voltage of each place of the micro-grid system, and corresponding control measures are adopted to ensure safe and stable operation of the micro-grid system. In addition, pressing down the housing 3 may try to touch the first contact 21 and the second contact 311, and if the display screen 34 displays an abnormal releasable housing 3, the spring 5 may rapidly lift up the housing 3 to disengage the first contact 21 from the second contact 311, preventing the detection part in the housing 3 from being damaged by an abnormal voltage, so as to protect the detection part in the housing 3.

In one embodiment of the present application, referring to fig. 1, the upper end surface of the placement table 4 is provided with a limiting plate 42, and the limiting plates 42 are disposed at two sides of the housing 3.

In the above embodiment, the limiting plates 42 are disposed at two sides of the housing 3 for limiting the housing 3, so as to prevent the housing 3 from deviating when rotating, so that the connecting block 31 cannot normally enter the contact groove 2, which is beneficial to improving the stability of the detection device.

In one embodiment of the present application, as shown in fig. 1, the front end of the connecting block 31 is provided with an insertion hole 61, and the outer wall of the contact groove 2 is provided with a through hole 62.

In the above embodiment, after the connecting block 31 at the front end of the housing 3 is pressed into the contact groove 2, the display screen 34 is normally displayed, and a pin can be inserted into the through hole 62 at the front end of the connecting block 31 through the through hole 62 at the outer wall of the contact groove 2, so as to fix the connecting block 31 in the contact groove 2, make the first contact 21 contact with the second contact 311, and continuously detect the voltage in the micro-grid, so as to monitor the stability of the micro-grid system during operation.

In one embodiment of the present application, referring to fig. 2, the upper end surface of the placement table 4 is connected to the bottom surface of the housing 3 through a plurality of springs 5.

In the above embodiment, the connection point between the housing 3 and the placement table 4 is increased by the connection of the plurality of springs 5, on the one hand, the stability of the connection between the housing 3 and the placement table 4 is increased, and on the other hand, the plurality of springs 5 support the supporting elastic force applied to the housing 3 more uniformly compared with the single spring 5 support, so that the pressing and bouncing movement of the housing 3 is smoother.

In one embodiment of the present application, the outer walls of the connecting vertical rod 11 and the connecting horizontal rod 12 are sleeved with insulating shells.

In the above embodiment, live working is performed in the process of performing voltage detection on the micro-grid system, and the outer walls of the connecting vertical rod 11 and the connecting cross rod 12 are sleeved with insulating layers, so that the insulation performance of the outer parts of the connecting vertical rod 11 and the connecting cross rod 12 is improved, the electric leakage phenomenon is prevented, and the safety of operators is ensured.

In one embodiment of the application, the connecting vertical rod 11 and the connecting horizontal rod 12 are detachably connected.

In the above embodiment, the connecting vertical rod 11 and the connecting cross rod 12 are detachably connected, and the connecting vertical rod 11 with different shapes and lengths can be replaced according to the actual conditions of different detection circuits, so as to adapt to different measurement circuits and improve the adaptability of the detection device.

In one embodiment of the present application, as shown in fig. 3, a fixing block 112 is connected to a side wall of the connecting vertical rod 11, and a mounting hole 113 is formed on the fixing block 112.

In the above embodiment, some micro-grid circuits are arranged along the direction perpendicular to the bottom surface, so that the detection device cannot be stably supported and fixed during detection, and at this time, the detection device can be fixed on the wall surface or the upright post by hanging the connecting vertical rod 11 through the mounting hole 113 on the fixing block 112 or penetrating the fixing pin, so as to improve the flexibility of the detection device for detecting the circuits at different positions.

In the actual use process of the application, two chucks 111 are respectively held on a circuit of a tested device, two second contacts 311 are in an open circuit state in an initial state, a detection assembly comprises a shell 3, a connecting block 31 is arranged at the front end of the shell 3, second contacts 311 are respectively arranged on two side surfaces of the connecting block 31, the two second contacts 311 are respectively connected with two first contacts 21, a voltage sensor 32 is arranged in the shell 3, the input end of the voltage sensor 32 is electrically connected with the second contacts 311 and is used for detecting voltage between the two second contacts 311, the voltage is converted into a voltage value, the output end of the voltage sensor 32 is connected with a processor 33 through a data wire, the processor 33 is used for converting the voltage value into a display signal which is transmitted to a display screen 34 on the upper end surface of the shell 3, the voltage value is specifically displayed or converted into an image, the voltage value can be more intuitively observed, the voltage history value is stored and recorded and displayed on the display screen 34, the stability of a micro-network system is judged through data of the voltage detection, the voltage at each position of the micro-network system is detected, the corresponding fluctuation and the micro-network system can be controlled in time, and abnormal and stable running can be ensured.

It should be noted that the above embodiments are merely for illustrating the technical solution of the present application, and not for limiting the same, and although the present application has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that the technical solution described in the above embodiments may be modified or some or all of the technical features may be equivalently replaced, and these modifications or substitutions do not deviate the essence of the corresponding technical solution from the scope of the technical solution of the embodiments of the present application.

Claims (7)

1. A microgrid system stability detection device, characterized in that it comprises a connecting device (1) and a detection component, wherein the connecting device (1) comprises a connecting vertical rod (11) and a connecting horizontal rod (12), the two ends of the connecting horizontal rod (12) are respectively connected to one end of the two connecting vertical rods (11), the other end of the connecting vertical rod (11) is provided with a clamp (111), a wire connected to the clamp (111) is provided in the connecting vertical rod (11), a contact groove (2) is provided in the middle of the connecting horizontal rod (12), two first contacts (21) are provided in the contact groove (2), the two first contacts (21) are respectively connected to the wire in the connecting horizontal rod (12), the wire in the connecting horizontal rod (12) is connected to the wire in the connecting vertical rod (11), and the detection component comprises A housing (3) is provided with a connecting block (31) at the front end of the housing (3), and second contacts (311) are respectively provided on both sides of the connecting block (31). A voltage sensor (32) is provided in the housing (3), and the input end of the voltage sensor (32) is electrically connected to the second contact (311). The output end of the voltage sensor (32) is connected to the processor (33) via a data line. The processor (33) is connected to a display screen (34) on the upper end surface of the housing (3) via a data line. The side of the connecting cross bar (12) is connected to a placement table (4). The rear end of the housing (3) is rotatably connected to the placement table (4) via a rotating shaft (41). The bottom surface of the housing (3) is connected to one end of a spring (5), and the other end of the spring (5) is connected to the upper end surface of the placement table (4). 2. The microgrid system stability detection device according to claim 1, characterized in that a limit plate (42) is provided on the upper end surface of the placement platform (4), and the limit plate (42) is provided on both sides of the housing (3). 3. The microgrid system stability detection device according to claim 1, characterized in that a socket (61) is provided at the front end of the connection block (31), and a through hole (62) is provided on the outer wall of the contact groove (2). 4. The microgrid system stability detection device according to claim 1, characterized in that the upper end surface of the placement platform (4) is connected to the bottom surface of the housing (3) through a plurality of springs (5). 5. The microgrid system stability detection device according to claim 1, characterized in that the outer walls of the connecting vertical rod (11) and the connecting horizontal rod (12) are provided with an insulating shell. 6. The microgrid system stability detection device according to claim 5, characterized in that the connecting vertical rod (11) and the connecting horizontal rod (12) are detachably connected. 7. The microgrid system stability detection device according to any one of claims 1 to 6, characterized in that a fixing block (112) is connected to the side wall of the connecting vertical rod (11), and a mounting hole (113) is provided on the fixing block (112).