Intelligent power monitoring control terminal

Abstract

The utility model discloses an intelligent electric power monitoring control terminal, and belongs to the technical field of instrument terminals. The intelligent power monitoring control terminal comprises a shell and a cover plate detachably connected with the shell, a display screen is arranged in front of the shell, an interface panel is arranged at the bottom of the shell, a PCB is arranged in the shell, and the PCB is detachably connected with the display screen and the interface panel; the control terminal has the advantages that the disassembly and assembly steps of the control terminal are simplified, and the maintenance efficiency of the PCB is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to instrument terminal technical field especially relates to intelligent electric power monitoring control terminal. BACKGROUND

[0002] The intelligent electric power monitoring control terminal is a kind of intelligent measurement and control terminal that can measure, monitor and control three-phase electric quantity and have 4G and wireless WIFI networking function, can realize the measurement to three-phase voltage, three-phase current, active power, reactive power, apparent power, power factor and frequency, control instruction issue and switch equipment state monitoring to the control of various control switches, and can be widely applied in substation automation monitoring and control, distribution automation monitoring and control, intelligent distribution room monitoring and control, intelligent distribution box monitoring and control, enterprise internal electric energy measurement and other fields.

[0003] The control terminal of the prior art is generally removed as a whole when needing to be repaired, and then the shell is opened to detect and repair the internal components. However, since the control terminal needs to be connected to transmit signals between various types of wires and external devices during use, the wires need to be plugged in and unplugged first, and then the terminal is removed from the device as a whole, and finally the terminal shell is opened. The whole disassembly and assembly process is complicated and inconvenient for quick repair work. UTILITARY MODEL

[0004] The utility model discloses an intelligent electric power monitoring control terminal to solve the problem of inconvenient disassembly and assembly of the electric power control terminal in the prior art.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] The intelligent electric power monitoring control terminal comprises a shell and a cover plate detachably connected with the shell, the front face of the shell is provided with a display screen, the bottom of the shell is provided with an interface panel, the inside of the shell is provided with a PCB circuit board, and the PCB circuit board is detachably connected with the display screen and the interface panel.

[0007] Further, the shell comprises a front shell and a rear shell integrally formed with the front shell, the front face of the front shell is provided with a display screen, the side face of the front shell is provided with an ear plate, and the cover plate is detachably installed on the back face of the rear shell through a plug-in structure.

[0008] Further, the inside of the rear shell is provided with a component mounting groove, the plug-in structure comprises a second insertion groove arranged above the component mounting groove and a first insertion groove arranged below the component mounting groove, and the cover plate is detachably slidably inserted on the component mounting groove through the first insertion groove and the second insertion groove.

[0009] Further, one side of the component mounting slot is provided with a wiring seat, and the other side is an open structure, a plurality of elastic contact pieces are arranged side by side on the rear end face of the wiring seat, and the elastic contact pieces are electrically connected between the display screen and the interface panel.

[0010] The cover plate comprises a rear baffle, the PCB circuit board is fixedly installed on the end face of the baffle close to the component mounting slot, and one side of the PCB circuit board is electrically connected with a sliding contact piece corresponding to the elastic contact piece.

[0011] Further, the rear baffle is located above and below the PCB circuit board, and a second insertion block corresponding to the second insertion slot and a first insertion block corresponding to the first insertion slot are arranged, respectively.

[0012] Further, the first insertion block and the first insertion slot are slidably connected.

[0013] The second insertion block is provided with an insertion block screw hole, and the second insertion slot is provided with an insertion slot screw hole corresponding to the insertion block screw hole.

[0014] Further, the side surface of the rear baffle is provided with a side baffle corresponding to the open structure of the component mounting slot, and the top surface of the rear shell, the outer side surface of the wiring seat and the side baffle are all provided with heat dissipation holes.

[0015] Compared with the prior art, the intelligent power monitoring control terminal has the following beneficial effects:

[0016] When the intelligent power monitoring control terminal is used, the external equipment and the terminal are connected through the wiring plug and the interface panel, when maintenance is needed, the cover plate and the PCB circuit board can be removed, the terminal does not need to be removed as a whole, and the connection plug between the interface panel and the external equipment does not need to be pulled out, so that the disassembly steps during maintenance are reduced, the maintenance process is simplified, and the maintenance efficiency is improved.

[0017] Other advantages, objects and features of the present application will be described in the subsequent description; and to some extent, based on the study of the following text, it will be obvious to those skilled in the art; or, it can be taught from the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present application from the right front perspective;

[0019] Figure 2 It is a schematic diagram of the overall structure of the present application from the right rear perspective;

[0020] Figure 3 It is a schematic diagram of the overall structure of the present application from the right lower perspective;

[0021] Figure 4 It is the whole structure three-dimensional left rear view angle schematic diagram of the utility model;

[0022] Figure 5 It is the rear shell structure schematic diagram of the utility model;

[0023] Figure 6 It is the utility model's Figure 5 It is the A part structure amplification schematic diagram of the utility model;

[0024] Figure 7 It is the utility model's Figure 5 It is the B part structure amplification schematic diagram of the utility model;

[0025] Figure 8 It is the cover plate structure schematic diagram of the utility model;

[0026] Figure 9 It is the microcontroller connection control block diagram of the utility model.

[0027] In the drawing,

[0028] 1, shell, 101, front shell, 102, rear shell, 103, display screen, 104, ear plate, 105, interface panel, 106, heat dissipation hole, 107, wiring seat, 108, elastic electric contact piece, 109, component installation slot, 2, cover plate, 201, rear baffle, 202, side baffle, 203, sliding electric contact piece, 204, PCB circuit board, 205, first plug block, 206, second plug block, 207, plug block screw hole, 3, plug-in structure, 301, first insertion slot, 302, second insertion slot, 303, insertion slot screw hole, 304, outer insertion slot, 305, inner insertion slot. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0030] With reference to Figures 1-9 The utility model intelligent electric power monitoring control terminal, including shell 1 and with shell 1 detachable connection's cover plate 2, the overall appearance of this terminal is cuboid shape, the overall profile of shell 1 is also similar cuboid structure.

[0031] The front of the shell 1 is embedded with a display screen 103, which is a touch display screen, and the bottom of the shell 1 is provided with an interface panel 105, which is provided with power supply, signal transmission, network transmission, data transmission and other interfaces, and the inside of the shell 1 is provided with a PCB circuit board 204, which is integrated with various low-voltage instrument components, and the PCB circuit board 204 is detachably connected with the display screen 103 and the interface panel 105. When in use, the mounting mode of the terminal is similar to that of conventional similar products.

[0032] When maintenance is required, only the cover plate 2 and the PCB circuit board 204 need to be removed to achieve maintenance of the PCB circuit board 204, without the need to remove the terminal as a whole or to pull out and reconnect the plug connection between the external device and the interface panel 105.

[0033] Among them, the PCB circuit board 204 is provided with a microcontroller, a voltage transformer, a current transformer, a signal conditioning module, an electric energy metering module, an isolation module, a storage module, a 4G module, a relay module, a switching value module, an isolated RS485 module, etc.

[0034] The microcontroller adopts a high-performance microcontroller based on ARM Cortex-M7 core, which is convenient for fast calculation and efficient transmission of a large amount of data; the signal conditioning module mainly filters the input signals of the voltage transformer or the current transformer to avoid high-frequency interference signals from entering the electric energy metering module, which may reduce the data acquisition reliability; the electric energy metering module mainly acquires electric energy related data through a multi-channel ADC module; the storage module adopts a multi-bit storage chip with large capacity and high access speed to store electric energy related parameter history records, which is convenient for subsequent electric power failure tracing due to some reasons; the isolated RS485 module adopts an electrical isolation mode to communicate with the upper computer to improve the communication quality and avoid transmission of other interference signals to the terminal device; the 4G module adopts the latest Cat1 module to improve the high reliability of wireless communication.

[0035] The voltage transformer and the current transformer respectively acquire each-phase voltage signals and current signals from the power grid end, filter out interference signals through the signal conditioning module, and transmit them to the electric energy metering module, which converts the voltage signals and current signals into digital signals through multi-channel ADC acquisition and then transmits them to the microcontroller.

[0036] The microcontroller is internally provided with related control algorithms and control logic to reasonably schedule data flow and related control modes to realize electric power monitoring and control functions.

[0037] The 4G module transmits electric power data processed by the microcontroller to a cloud server in a wireless manner, and high-reliability hardware encryption measures are adopted in the transmission process to avoid unnecessary losses caused by malicious acquisition of data.

[0038] At the same time, the relevant instructions can be issued to the control terminal through the cloud server, so as to realize the remote control function, make the power operation more intelligent and more convenient, and avoid the complicated work of human on-site processing.

[0039] The shell 1 includes a front shell 101 and a rear shell 102 integrally formed with the front shell 101, and the front face of the front shell 101 is embedded with a display screen 103, which adopts a high-resolution IPS screen and is more delicate and vivid in displaying content, and is more likely to make the operator feel highly friendly.

[0040] The display screen 103 has the functions of displaying power data parameters and controlling physical function buttons, and under certain setting conditions, the address, parameters, working mode, and state of the relay of the terminal device can be set.

[0041] The two side surfaces of the front shell 101 are integrally formed with an ear plate 104, and the ear plate 104 is processed with mounting holes for mounting the terminal on the external device to be measured, and in use, the terminal is mounted on the external device through the ear plate 104.

[0042] The cover plate 2 is detachably mounted on the back of the rear shell 102 through the plug-in structure 3, and during maintenance, the cover plate 2 and the PCB circuit board 104 are mounted and detached between the shell 1 and the display screen 103 through the plug-in structure 3.

[0043] The rear shell 102 is internally provided with a component mounting groove 109, and the main body parts of various jacks on the PCB circuit board 104 and the interface panel 105 are located in the component mounting groove 109, the plug-in structure 3 includes a second insertion groove 302 arranged above the component mounting groove 109 and a first insertion groove 301 arranged below the component mounting groove 109, and the cover plate 2 is detachably slidably inserted into the component mounting groove 109 through the first insertion groove 301 and the second insertion groove 302, and the PCB circuit board 104 is encapsulated in the interior of the rear shell 102 through the cover plate 2.

[0044] One side of the component mounting groove 109 is provided with a terminal block 107, and the other side is an open structure, and the rear end face of the terminal block 107 is provided with elastic contact pieces 108 side by side, the elastic contact pieces 108 are elastic metal conductive pieces, and the elastic contact pieces 108 are electrically connected between the display screen 103 and each interface of the interface panel 105.

[0045] The cover plate 2 comprises a back baffle 201, and a PCB circuit board 204 is fixedly installed on the end face of the baffle 201 close to the component mounting groove 109. When the back baffle 201 covers the rear shell 102, the PCB circuit board 204 is located inside the component mounting groove 109. One side of the PCB circuit board 204 is electrically connected with a sliding contact piece 203 corresponding to the elastic contact piece 108. The sliding contact piece 203 is electrically connected with the integrated instrument components corresponding to each socket on the PCB circuit board 204. When the cover plate 2 is slidably installed on the rear shell 102 at a predetermined position, the sliding contact piece 203 and the elastic contact piece 108 are slidably connected together. The instrument components on the PCL circuit board 204 are in communication with the interfaces on the interface panel 105. The plug of an external device is in communication with the external device.

[0046] The back baffle 201 is located above and below the PCB circuit board 204, and a second insertion block 206 corresponding to the second insertion groove 302 and a first insertion block 205 corresponding to the first insertion groove 301 are arranged at the positions, that is, the first insertion block 205 is inserted into the first insertion groove 301 and the second insertion block 206 is inserted into the second insertion groove 302 during installation.

[0047] The first insertion block 205 and the first insertion groove 301 are slidably connected. Specifically, the first insertion groove 301 comprises an outer insertion groove 304 and an inner insertion groove 305. The outer insertion groove 304 is provided with the inner insertion groove 305 on one side. The inner insertion groove 305 is open at the end close to the outer insertion groove 304.

[0048] The outer insertion groove 304 is a sink groove with an opening facing backward. The outer insertion groove 304 is equal in length and height to the first insertion block 205. The depth of the outer insertion groove 304 is greater than the width of the first insertion block 205. After the first insertion block 205 is inserted into the outer insertion groove 304, the first insertion block 205 is slid toward the inner insertion groove 305, so that the end of the first insertion block 205 close to the inner insertion groove 305 is inserted into the inner insertion groove 305, and the other end remains in the outer insertion groove 304.

[0049] The second insertion block 206 is provided with an insertion block screw hole 207, and the second insertion groove 302 is provided with an insertion groove screw hole 303 corresponding to the insertion block screw hole 207. After the second insertion block 206 is slid toward the inner insertion groove 305, the insertion block screw hole 207 is aligned with the insertion groove screw hole 303, and then a bolt is screwed in to screw the rear shell 102 and the front shell 101 together.

[0050] The side surface of the back baffle 201 is integrally formed with a side baffle 202 corresponding to the opening structure of the component mounting groove 109. The top surface of the rear shell 102, the outer side surface of the terminal block 107, and the side baffle 202 are all provided with heat dissipation holes 106 to meet the heat dissipation needs of the terminal during use.

[0051] Working principle: when using, the device is installed on the external equipment to be measured through the ear plate 104, and the interface panel 105 of the terminal is connected with the external equipment through the wiring plug;

[0052] When the PCB circuit board needs to be repaired, only the cover plate 2 needs to be disassembled, and the PCB circuit board can be checked without disassembling the wiring plug and the terminal as a whole.

[0053] After the repair is completed, the first plug block 205 is aligned with the first plug slot 301, the second plug block 206 is aligned with the second plug slot 302 and is inserted, then the rear baffle 201 is slid to make the end of the first plug block 205 inserted into the inner plug slot 305, the plug block screw hole 207 is aligned with the plug slot screw hole 303, the electric contact piece 203 is slid to slide and contact the elastic electric contact piece 108, and the bolt is screwed into the plug block screw hole 207 and the plug slot screw hole 303.

[0054] The above is only a preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

[0055] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are contained in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms is not necessarily for the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, the person skilled in the art can combine and combine the different embodiments or examples described in the present application and the features of the different embodiments or examples without contradiction.

[0056] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limiting the present application, and the person skilled in the art can change, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. A smart power monitoring control terminal, characterized in that, The shell (1) and the cover plate (2) are detachably connected, the front of the shell (1) is provided with a display screen (103), the bottom of the shell (1) is provided with an interface panel (105), and the inside of the shell (1) is provided with a PCB circuit board (204), and the PCB circuit board (204) is detachably connected with the display screen (103) and the interface panel (105).

2. The intelligent power monitoring control terminal according to claim 1, characterized in that, The shell (1) includes a front shell 4 (101) and a rear shell (102) integrally formed with the front shell 4 (101), the front of the front shell 4 (101) is provided with a display screen (103), the side of the front shell 4 (101) is provided with an ear plate (104), and the cover plate (2) is detachably mounted on the back of the rear shell (102) through the plug-in structure (3).

3. The intelligent power monitoring and control terminal according to claim 2, wherein, The inside of the rear shell (102) is provided with a component mounting groove (109), the plug-in structure (3) includes a second slot (302) arranged above the component mounting groove (109) and a first slot (301) arranged below the component mounting groove (109), and the cover plate (2) is detachably slidably plugged into the component mounting groove (109) through the first slot (301) and the second slot (302).

4. The intelligent power monitoring and control terminal according to claim 3, wherein, One side of the component mounting groove (109) is provided with a wiring seat (107), and the other side is an open structure, the rear end face of the wiring seat (107) is provided with a plurality of elastic contact pieces (108) arranged side by side, and the elastic contact pieces (108) are electrically connected between the display screen (103) and the interface panel (105); The cover plate (2) includes a rear baffle (201), the PCB circuit board (204) is fixedly installed on the end face of the baffle (201) close to the component mounting groove (109), and one side of the PCB circuit board (204) is electrically connected with a sliding contact piece (203) corresponding to the elastic contact piece (108).

5. The intelligent power monitoring control terminal according to claim 4, characterized in that, The rear baffle (201) is located above and below the PCB circuit board (204), and is respectively provided with a second insertion block (206) and a first insertion block (205) corresponding to the second slot (302) and the first slot (301).

6. The intelligent power monitoring control terminal according to claim 5, wherein, The first insertion block (205) and the first slot (301) are slidably connected; The second insertion block (206) is provided with an insertion block screw hole (207), and the second slot (302) is provided with a slot screw hole (303) corresponding to the insertion block screw hole (207).

7. The intelligent power monitoring control terminal according to claim 6, characterized in that, The side of the rear baffle (201) is provided with a side baffle (202) corresponding to the open structure of the component mounting groove (109), and the top surface of the rear shell (102), the outer side surface of the wiring seat (107) and the side baffle (202) are all provided with heat dissipation holes (106).

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