CN218549308U - Power distribution terminal with current display function - Google Patents
Power distribution terminal with current display function Download PDFInfo
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- CN218549308U CN218549308U CN202222716068.2U CN202222716068U CN218549308U CN 218549308 U CN218549308 U CN 218549308U CN 202222716068 U CN202222716068 U CN 202222716068U CN 218549308 U CN218549308 U CN 218549308U
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Abstract
The application discloses distribution terminal who possesses current display function belongs to the technical field that electric power detected, including the panel, be provided with current detection module and display mechanism on the panel, current detection module is connected with display mechanism, and display mechanism responds to current detection module's current detection signal and shows the electric current quantity. When the multi-path current is required to be detected, the current detection module respectively detects the currents of the circuits, the display mechanism responds to the current detection signal of the current detection module to display the current magnitude, and then the current value of each phase circuit can be displayed through one display mechanism, so that the quantity of the mechanical current meters required in multi-phase current detection is saved. In the installation process, an operator only needs to install one current detection module and one display mechanism, a plurality of ampere meters do not need to be installed, and the space occupied by the installation of the ampere meters is saved.
Description
Technical Field
The application relates to the technical field of electric power detection, in particular to a power distribution terminal with a current display function.
Background
In the electrolysis and metallurgy chemical industry, process control personnel need to strictly control the production process and master various process parameters, in particular need to master the current parameters output by rectifying equipment in real time in order to improve the production efficiency, reduce the energy consumption and improve the productivity.
The prior publication No. CN202711619U discloses a current-voltage LED display screen, which includes an isolator, a multiplexer, an analog-to-digital conversion circuit, a single chip microcomputer control unit, and an LED display panel, wherein a dc voltage signal is connected to the multiplexer through the isolator, two paths of dc current signals are directly input to the multiplexer, an output of the multiplexer is connected to the single chip microcomputer control unit through the analog-to-digital conversion circuit, the single chip microcomputer control unit is connected to control the multiplexer and the analog-to-digital conversion circuit, and an output of the single chip microcomputer control unit is connected to the LED display panel.
To above-mentioned correlation technique, at present, the ampere meter that uses on most distribution terminal all is external mechanical ampere meter, when needs examine multichannel electric current, and a plurality of ampere meters are inlayed simultaneously on the outer cabinet panel of distribution terminal, need occupy a large amount of panel installation space.
SUMMERY OF THE UTILITY MODEL
This application is not enough to prior art existence, provides a distribution terminal who possesses electric current display function, when needs examine multichannel electric current, only need install a distribution terminal who is used for showing electric current, can accomplish the detection achievement to multichannel electric current.
The technical scheme for solving the technical problems is as follows:
the utility model provides a distribution terminal who possesses current display function, includes the panel, be provided with current detection module and display mechanism on the panel, current detection module with display mechanism connects, display mechanism responds to current detection module's current detection signal and display current volume.
By adopting the technical scheme, when a plurality of paths of currents need to be detected, an operator installs the current detection module and the display mechanism on the panel, when the circuits are electrified, the current detection module respectively detects the currents of a plurality of circuits, the current detection module generates and sends current detection signals, the display mechanism responds to the current detection signals of the current detection module to display the current amount, and then the current value of each phase circuit can be displayed through one display mechanism, so that the number of required mechanical ammeters during multi-phase current detection is saved, in the installation process, the operator only needs to install one current detection module and one display mechanism, does not need to install a plurality of ammeters, and saves the space occupied by ammeter installation; in the ammeter wiring process, operating personnel do not need to carry out wiring operation to a plurality of ammeters simultaneously, and manpower and material resources required to be consumed in the installation process are also greatly saved.
Further, the display mechanism comprises a current value display board and a plurality of current identification lamps, and when the current identification lamps are turned on, the current value display board displays current values corresponding to the current identification lamps.
Further, the plurality of current indicator lamps are lighted in turn.
Furthermore, one side of each current identification lamp is provided with a sensing module, the sensing module is connected with the current identification lamp, and the current identification lamp is lightened in response to a sensing signal of the sensing module.
Further, the response module includes response button and pressure sensor, the setting of response button is in on the panel, pressure sensor set up in the response button, pressure sensor is used for feeling pressure and generates the sensing signal.
Further, the current detection module comprises an analog-to-digital converter and a plurality of current transformers, the current transformers are used for connecting a circuit, the plurality of current transformers are all connected with the analog-to-digital converter, and the analog-to-digital converter receives current signals of the current transformers and generates corresponding digital signals; the analog-to-digital converter is connected with the display module, and the display module responds to the digital signal of the analog-to-digital converter to display the current quantity.
In conclusion, compared with the prior art, the technical scheme has the beneficial effects that:
when a plurality of paths of currents need to be detected, an operator installs the current detection module and the display mechanism on the panel, when the circuits are electrified, the current detection module respectively detects the currents of a plurality of circuits, the current detection module generates and sends current detection signals, the display mechanism responds to the current detection signals of the current detection module to display the current magnitude, and then the current value of each phase circuit can be displayed through one display mechanism, so that the number of mechanical ammeters needed during multi-phase current detection is saved, in the installation process, the operator only needs to install one current detection module and one display mechanism, does not need to install a plurality of ammeters, and saves the space occupied by ammeter installation; in the ammeter wiring process, an operator does not need to perform wiring operation on a plurality of ammeters simultaneously, and manpower and material resources consumed in the installation process are saved to a great extent.
Drawings
Fig. 1 is a schematic overall structure diagram of a first embodiment of the present application;
FIG. 2 is a schematic structural diagram of a display mechanism according to an embodiment of the present disclosure;
FIG. 3 is a block diagram of modules in an embodiment of the present application;
fig. 4 is a schematic overall structure diagram of a second embodiment of the present application.
Description of reference numerals: 1. a panel; 2. a display mechanism; 21. a current value display panel; 22. a current marker light; 3. an induction button; 4. an analog-to-digital converter; 5. a current transformer; 6. an FPGA module; 7. MC74AC273DT latch chip; 8. and a unit identification lamp.
Detailed Description
The principles and features of the present application are described below in conjunction with the accompanying fig. 1-4, which are provided by way of example only to illustrate the present application and not to limit the scope of the present application.
The embodiment of the application discloses distribution terminal who possesses current display function.
Example 1
Referring to fig. 1, a power distribution terminal having a current display function includes a panel 1, a current detection module and a display mechanism 2 are disposed on the panel 1, the current detection module is connected to the display mechanism 2, and the display mechanism 2 displays a current amount in response to a current detection signal of the current detection module.
When the multi-path current needs to be detected, an operator installs the current detection module and the display mechanism 2 on the panel 1, when the circuit is electrified, the current detection module can respectively detect the currents of a plurality of circuits, the current detection module generates a current detection signal and sends the current detection signal, the display mechanism 2 responds to the current detection signal of the current detection module to display the current magnitude, and then the current value of each phase circuit can be displayed through one display mechanism 2.
Therefore, the number of the mechanical ammeters required in the process of multi-phase current detection is saved, in the installation process, an operator only needs to install one current detection module and the display mechanism 2, and does not need to install a plurality of ammeters, so that the space occupied by the installation of the ammeters is saved; in the ammeter wiring process, an operator does not need to perform wiring operation on a plurality of ammeters simultaneously, and manpower and material resources consumed in the installation process are saved to a great extent.
Referring to fig. 2, the display mechanism 2 includes a current value display board 21 and a plurality of current indicator lamps 22, the current value display board 21 is connected to the current indicator lamps 22, the current value display board 21 and the current indicator lamps 22 are both connected to the current detection module, the current value display board 21 and the current indicator lamps 22 both operate in response to a current detection signal of the current detection module, and when the current indicator lamps 22 are turned on, the current value display board 21 displays a current value corresponding to the current indicator lamps 22.
When detecting the multi-path current, the current detecting module respectively detects the currents of the plurality of circuits, the current detecting module correspondingly generates and transmits a current detecting signal according to the amount of the multi-phase current, the current value display panel 21 operates in response to each current detecting signal of the current detecting module, and the current indicator lamp 22 operates only in response to the current detecting signal corresponding to the circuit indicated by the current value display panel.
When the current indicator lamp 22 operates in response to the current detection signal corresponding to the circuit represented by the current indicator lamp 22, the current indicator lamp 22 lights up, which indicates that the data displayed on the current value display panel 21 is the current value of the circuit corresponding to the current indicator lamp 22, and at this time, the current value display panel 21 operates in response to the current detection signal of the current detection module, and the current value display panel 21 displays the current value corresponding to the current indicator lamp 22.
In this embodiment, the number of the current indicator lamps 22 is specifically three and is arranged in sequence along the vertical direction, the three current indicator lamps 22 are all located at one end of the current value display board 21, and when the multi-path current detection operation is performed, the three current indicator lamps 22 are turned on in turn.
When the multi-path current is detected, the three current identification lamps 22 are lighted in turn, and at the moment, the display numerical values on the current numerical value display panel 21 represent the current quantities of the circuits corresponding to the current identification lamps 22 in turn, so that the functions of sequentially detecting and displaying the current quantities of a plurality of circuits in turn are realized.
Further, the display mechanism 2 may further include a unit identification lamp 8 for displaying a current unit identifier, the unit identification lamp 8 is connected to the current value display board 21, when the current value display board 21 is lighted, the unit identification lamp 8 is lighted together with the current value display board 21, and the unit identification lamp 8 is used for identifying a current unit corresponding to the current, so that an operator can clearly determine the actual magnitude of the current in the reading process.
Referring to fig. 2 and 3, the current detection module includes an analog-to-digital converter 4 and three current transformers 5, the current transformers 5 are used for connecting circuits corresponding to the current transformers 5, the three current transformers 5 are all connected with the analog-to-digital converter 4, and the analog-to-digital converter 4 receives current signals of the current transformers 5 and generates corresponding digital signals.
The digital-to-analog converter converts a continuous current signal at an input end into a discrete signal, converts a continuous-time continuous analog signal into a discrete-time continuous signal, converts the discrete-time signal and the discrete-time signal into a discrete-time digital signal through a quantization process, and finally converts the discrete-time signal and the discrete-time digital signal into a binary digital signal through encoding, wherein the binary digital signal is the current signal at the corresponding input time.
The analog-to-digital converter 4 is connected to the current value display board 21 and the three current indicator lamps 22 through the FPGA module 6, and the current value display board 21 and the current indicator lamps 22 both operate in response to the control signal of the analog-to-digital converter 4. One end of the FPGA module 6 is provided with two MC74AC273DT latch chips 7, the FPGA module 6 is respectively connected with the two MC74AC273DT latch chips 7 through two chip selection signals, one end of the FPGA module 6 is also connected with an 8-bit data line, and the FPGA module 6 is respectively connected with the two MC74AC273DT latch chips 7 through the 8-bit data line.
When detecting the multi-path current, the FPGA module 6 latches the anode signal and the cathode signal required for displaying by the display mechanism 2 through chip selection and 8-bit data lines, for example, the three current identification lamps 22 respectively detect the IA current, the IB current and the IC current, when the display mechanism 2 needs to display the IA current, the FPGA module 6 controls the MC74AC273DT latch chip 7 to latch the anode signal and the cathode signal required for lighting the current identification lamp 22 corresponding to the IA current, and the current value display panel 21 displays the specific current value corresponding to the IA current.
The implementation principle of the embodiment 1 is as follows: when a plurality of paths of currents need to be detected, an operator installs the current detection module and the display mechanism 2 on the panel 1, when the circuits are electrified, the current detection module respectively detects the currents of a plurality of circuits, the current detection module generates and sends a current detection signal, the display mechanism 2 responds to the current detection signal of the current detection module to display the current quantity, when the current identification lamp 22 responds to the current detection signal corresponding to the circuit represented by the current identification lamp and operates, the current identification lamp 22 lights up to indicate that the data displayed on the current value display panel 21 is the current value of the circuit corresponding to the current identification lamp 22, at the moment, the current value display panel 21 responds to the current detection signal of the current detection module to operate, the current value display panel 21 displays the current value corresponding to the current identification lamp 22, and then the current value of each phase circuit can be displayed through one display mechanism 2, so that the number of mechanical current meters needed in the multiphase current detection is saved, in the installation process, the operator only needs to install one current detection module and one display mechanism 2, and does not need to install a plurality of current meters, and the occupied space for installing current meters is saved.
Example 2
Referring to fig. 4, the present embodiment is different from embodiment 1 in that the current indicator lamps 22 are lighted differently, one side of each current indicator lamp 22 is provided with a sensing module, the sensing module is connected to the current indicator lamp 22, and the current indicator lamp 22 is lighted in response to a sensing signal of the sensing module.
When an operator needs to check the current amount in a certain circuit, the operator operates the induction module to further control the corresponding current indicator lamp 22, when the current indicator lamp 22 is turned on, a current value is displayed on the current value display panel 21, and at the moment, the data displayed on the current value display panel 21 is the current value of the circuit corresponding to the current indicator lamp 22 which is turned on at present.
Display mechanism 2 can show the electric current quantity of corresponding electric current according to operating personnel's the demand of looking over at the in-process that carries out the electric current quantity demonstration, and when operating personnel need not look over the electric current quantity, display module can be wore the screen standby, controls electric current marker light 22 through the response module, has not only realized display mechanism 2's the function of can regulating and control, has practiced thrift power resource to a certain extent simultaneously.
The response module is including setting up response button 3 and the pressure sensor on panel 1, and response button 3 sets up the one end of keeping away from electric current numerical value display panel 21 at electric current marker light 22, and pressure sensor sets up in response button 3, and pressure sensor is used for feeling pressure and generates the sensing signal.
For example, when the operator needs to check the IA current, the operator presses the sensor button 3 close to the IA current corresponding to the current identification lamp 22, and at this time, the pressure sensor located in the sensor button 3 senses the pressure, generates a sensing signal and sends the sensing signal, so that the display module can start to operate under the action of the sensing signal, specifically, the current identification lamp 22 corresponding to the IA current is turned on, and the current value display panel 21 displays the specific current value corresponding to the IA current.
The implementation principle of the embodiment 2 is as follows: when an operator needs to check the current amount in a certain circuit, the operator presses the sensing button 3 close to the corresponding current identification lamp 22 of the circuit, and at this time, the pressure sensor located in the sensing button 3 senses the pressure, generates a sensing signal and sends the sensing signal, so that the display module can start to operate under the action of the sensing signal, specifically, the current identification lamp 22 corresponding to the circuit is turned on, and meanwhile, the specific current value corresponding to the circuit is displayed on the current value display panel 21. The current indicator lamp 22 is controlled by the induction module, so that the adjustable function of the display mechanism 2 is realized, and meanwhile, the power resource is saved to a certain extent.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (6)
1. The utility model provides a distribution terminal who possesses current display function, includes panel (1), characterized in that, be provided with current detection module and display mechanism (2) on panel (1), current detection module with display mechanism (2) are connected, display mechanism (2) respond to current detection module's current detection signal shows the electric current quantity.
2. The power distribution terminal with current display function according to claim 1, wherein: the display mechanism (2) comprises a current value display board (21) and a plurality of current indicator lamps (22), and when the current indicator lamps (22) are turned on, the current value display board (21) displays current values corresponding to the current indicator lamps (22).
3. The power distribution terminal with current display function according to claim 2, wherein: the plurality of current indicator lamps (22) are lighted in turn.
4. The power distribution terminal with current display function according to claim 2, wherein: one side of each current marker lamp (22) is provided with an induction module, the induction module is connected with the current marker lamps (22), and the current marker lamps (22) are lighted in response to induction signals of the induction modules.
5. The power distribution terminal with current display function according to claim 4, wherein: the sensing module comprises a sensing button (3) and a pressure sensor, the sensing button (3) is arranged on the panel (1), the pressure sensor is arranged in the sensing button (3), and the pressure sensor is used for sensing pressure and generating a sensing signal.
6. The power distribution terminal with a current display function according to claim 1, wherein: the current detection module comprises an analog-to-digital converter (4) and a plurality of current transformers (5), the current transformers (5) are used for being connected with a circuit, the plurality of current transformers (5) are connected with the analog-to-digital converter (4), and the analog-to-digital converter (4) receives current signals of the current transformers (5) and generates corresponding digital signals; the analog-to-digital converter (4) is connected with the display mechanism (2), and the display mechanism (2) responds to the digital signal of the analog-to-digital converter (4) to display the current quantity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222716068.2U CN218549308U (en) | 2022-10-14 | 2022-10-14 | Power distribution terminal with current display function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222716068.2U CN218549308U (en) | 2022-10-14 | 2022-10-14 | Power distribution terminal with current display function |
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| Publication Number | Publication Date |
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| CN218549308U true CN218549308U (en) | 2023-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222716068.2U Active CN218549308U (en) | 2022-10-14 | 2022-10-14 | Power distribution terminal with current display function |
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- 2022-10-14 CN CN202222716068.2U patent/CN218549308U/en active Active
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