CN220934742U - Energy-saving electric cabinet - Google Patents
Energy-saving electric cabinet Download PDFInfo
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- CN220934742U CN220934742U CN202322885740.5U CN202322885740U CN220934742U CN 220934742 U CN220934742 U CN 220934742U CN 202322885740 U CN202322885740 U CN 202322885740U CN 220934742 U CN220934742 U CN 220934742U
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- 238000001514 detection method Methods 0.000 claims abstract description 26
- 238000001816 cooling Methods 0.000 claims description 31
- 230000003993 interaction Effects 0.000 claims description 11
- 239000004973 liquid crystal related substance Substances 0.000 claims description 5
- 230000002452 interceptive effect Effects 0.000 claims 2
- 238000004804 winding Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 108010089351 KM 8 Proteins 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model discloses an energy-saving electric cabinet, which comprises a cabinet, and a three-phase transformer, an on-off module, a controller and an electric energy detection module which are arranged in the cabinet; the electric energy detection module is electrically connected with the controller; the controller is electrically connected with the three-phase transformer through the on-off module; the on-off module comprises an energy-saving circuit and a bypass circuit; the energy-saving circuit is connected with the bypass circuit in parallel. After the electric energy detection module detects the electric energy information of the power grid, a worker can perform manual or automatic control, and during automatic control, the controller can control the on-off of the energy-saving circuit and the bypass circuit according to the obtained electric energy information of the power grid, so that the output of different windings of the three-phase transformer is controlled, and the energy-saving effect is achieved. During manual control, based on the electric energy information of the power grid, a worker can also control the on-off of the energy-saving circuit and the bypass circuit according to the experience of the worker, so that the output of different windings of the three-phase transformer is controlled, and the energy-saving effect can be achieved.
Description
Technical Field
The utility model relates to the technical field of electric cabinets, in particular to an energy-saving electric cabinet.
Background
The user electricity data is time sequence data, and has great fluctuation and uncertainty, unlike the regional electricity data, the regional electricity data can easily show certain seasonality and periodicity, so that different fluctuation can also appear in the power grid voltage entering a workshop, and if the output voltage of the three-phase transformer of the electric cabinet can not be adaptively adjusted along with the power grid voltage, energy can be wasted.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides an energy-saving electric cabinet.
In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:
An energy-saving electric cabinet comprises a cabinet, and a three-phase transformer, an on-off module, a controller and an electric energy detection module which are arranged in the cabinet;
Wherein,
The electric energy detection module is electrically connected with the controller;
The controller is electrically connected with the three-phase transformer through the on-off module;
the on-off module comprises an energy-saving circuit and a bypass circuit;
the energy-saving circuit is connected with the bypass circuit in parallel.
According to the technical scheme, after the electric energy information of the power grid is obtained through detection of the electric energy detection module, the controller controls the on-off of the energy-saving circuit and the bypass circuit according to the obtained electric energy information of the power grid, so that different winding outputs of the three-phase transformer are controlled, and the energy-saving effect is achieved.
Further, the energy-saving circuit comprises an intermediate relay KM1, an intermediate relay KM2, an intermediate relay KM3, a three-phase alternating-current contactor KM6, a three-phase alternating-current contactor KM7 and a three-phase alternating-current contactor KM8;
Wherein,
The intermediate relay KM1 is electrically connected between the controller and the three-phase alternating current contactor KM6, and the three-phase alternating current contactor KM6 is electrically connected with ends nx1, ny1 and nz1 corresponding to the three-phase transformer;
The intermediate relay KM2 is electrically connected between the controller and the three-phase alternating current contactor KM7, and the three-phase alternating current contactor KM7 is electrically connected with ends nx2, ny2 and nz2 corresponding to the three-phase transformer;
The intermediate relay KM3 is electrically connected between the controller and the three-phase alternating-current contactor KM8, and the three-phase alternating-current contactor KM8 is electrically connected with ends nx3, ny3 and nz3 corresponding to the three-phase transformer.
Further, the bypass circuit comprises an intermediate relay KM4, an intermediate relay KM5 and a vacuum circuit breaker;
The intermediate relay KM4 is electrically connected with a closing coil terminal in the vacuum circuit breaker;
The intermediate relay KM5 is electrically connected with a breaking coil terminal in the vacuum circuit breaker.
Further, an interaction module is also included, and the interaction module is electrically connected with the controller.
Further, the system also comprises a switch, and the interaction module is electrically connected with the controller through the switch.
Further, the device also comprises a temperature controller, and the temperature controller is arranged in the cabinet;
The back of the cabinet is provided with a cooling fan and a cooling window;
the radiating fan and the radiating window are respectively positioned at the upper end and the lower end of the back of the cabinet;
the three-phase transformer, the controller and the electric energy detection module are positioned between the cooling fan and the cooling window;
the temperature controller is electrically connected with the cooling fan.
Further, a manual-automatic change-over switch, an energy-saving change-over switch and an energy-saving gear change-over switch are arranged on the cabinet;
The manual-automatic change-over switch, the energy-saving change-over switch and the energy-saving gear change-over switch are all electrically connected with the controller.
Further, the controller is an FX5U-32MR controller.
Further, the electric energy detection module is an SDT640-RO multifunctional electric energy meter.
Further, the interaction module is a liquid crystal touch display screen.
Compared with the prior art, the technical scheme has the following principle and advantages:
1. After the electric energy information of the power grid is obtained through the detection of the electric energy detection module, the controller controls the on-off of the energy-saving circuit and the bypass circuit according to the obtained electric energy information of the power grid, so that the output of different windings of the three-phase transformer is controlled, and the energy-saving effect is achieved.
2. The cooling fan and the cooling window are respectively positioned at the upper end and the lower end of the back of the cabinet, the three-phase transformer, the controller, the electric energy detection module and the like are positioned between the cooling fan and the cooling window, so that a reasonable cooling air channel is formed, cool air outside the cabinet enters the cabinet from the cooling window positioned at the lower end of the back of the cabinet, and hot air in the cabinet is discharged out of the cabinet from the cooling fan positioned at the upper end of the back of the cabinet, so that the service life of the electric cabinet is prolonged.
3. In the above, the use condition of the cooling fan is controlled by the temperature controller according to the temperature in the cabinet, so that energy saving can be further realized.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the services required in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the figures in the following description are only some embodiments of the present utility model, and that other figures can be obtained according to these figures without inventive effort to a person skilled in the art.
FIG. 1 is an interior view of a cabinet of an energy-efficient electrical cabinet of the present utility model;
FIG. 2 is a front view of a cabinet of the energy-saving electric cabinet of the present utility model;
FIG. 3 is a rear view of a cabinet in an energy-efficient electrical cabinet according to the present utility model;
FIG. 4 is a schematic diagram of the controller in the energy-saving electric cabinet electrically connected with the electric energy detection module and the interaction module (through the switch);
FIG. 5 is a specific circuit diagram of an on-off module in an energy-saving electric cabinet according to the utility model;
fig. 6 is a schematic diagram of the intermediate relay KM1, the intermediate relay KM2, and the intermediate relay KM3, respectively controlling the three-phase ac contactor KM6, the three-phase ac contactor KM7, and the three-phase ac contactor KM 8;
Fig. 7 is a schematic diagram of the control of the closing coil terminal and the opening coil terminal by the intermediate relay KM4 and the intermediate relay KM5, respectively.
Reference numerals:
1-a cabinet; 2-three-phase transformers; 3-a controller; 4-an electric energy detection module; 5-an interaction module; 6-exchanger; 7-a temperature controller; 8-a heat radiation fan; 9-a heat radiation window; 10-a manual-automatic transfer switch; 11-energy-saving change-over switch; 12-energy-saving gear change-over switch.
Detailed Description
The utility model is further described in connection with the following embodiments:
as shown in fig. 1, the energy-saving electric cabinet in this embodiment includes a cabinet 1, an interaction module 5, a temperature controller 7, and a three-phase transformer 2, an on-off module, a controller 3, an electric energy detection module 4, and a switch 6 which are installed in the cabinet 1.
Wherein,
As shown in fig. 2, the panels of the interaction module 5 and the temperature controller 7 are installed on the front cabinet door of the cabinet 1, and meanwhile, a power indicator lamp, an energy-saving indicator lamp, a bypass indicator lamp, a manual-automatic change-over 10, an energy-saving change-over 11 and an energy-saving gear change-over 12 are further arranged on the front cabinet door of the cabinet 1.
As shown in fig. 3, the back of the cabinet 1 is provided with four cooling fans 8 and three cooling windows 9, the four cooling fans 8 and the three cooling windows 9 are respectively located at the upper end and the lower end of the back of the cabinet 1, and the cooling fans 8 are electrically connected with the temperature controller 7.
As shown in fig. 4, the power detection module 4 is electrically connected with the controller 3; the controller 3 is electrically connected with the interaction module 5 through the switch 6 and is electrically connected with the three-phase transformer 2 through the on-off module.
Specifically, in the present embodiment, the present invention,
The controller 3 is FX5U-32MR controller 3 and is respectively and electrically connected with the manual-automatic change-over switch 10, the energy-saving change-over switch 11 and the energy-saving gear change-over switch 12; three voltage thresholds are preset in the controller 3, namely Y1, Y2 and Y3, wherein Y1 is less than Y2 is less than Y3.
The electric energy detection module 4 is an SDT640-RO multifunctional electric energy meter.
The interaction module 5 is a liquid crystal touch display screen.
As shown in fig. 5, the on-off module includes an energy saving circuit and a bypass circuit connected in parallel with the energy saving circuit.
Specifically, in the present embodiment, as shown in fig. 6,
The energy-saving circuit comprises an intermediate relay KM1, an intermediate relay KM2, an intermediate relay KM3, a three-phase alternating-current contactor KM6, a three-phase alternating-current contactor KM7 and a three-phase alternating-current contactor KM8;
Wherein,
The intermediate relay KM1 is electrically connected between the controller 3 and the three-phase alternating-current contactor KM6, and the three-phase alternating-current contactor KM6 is electrically connected with ends nx1, ny1 and nz1 corresponding to the three-phase transformer 2;
The intermediate relay KM2 is electrically connected between the controller 3 and the three-phase alternating-current contactor KM7, and the three-phase alternating-current contactor KM7 is electrically connected with ends nx2, ny2 and nz2 corresponding to the three-phase transformer 2;
The intermediate relay KM3 is electrically connected between the controller 3 and the three-phase ac contactor KM8, and the three-phase ac contactor KM8 is electrically connected to nx3, ny3, nz3 ends corresponding to the three-phase transformer 2.
Specifically, in the present embodiment, as shown in fig. 7,
The bypass circuit comprises an intermediate relay KM4, an intermediate relay KM5 and a vacuum circuit breaker;
The intermediate relay KM4 is electrically connected with a closing coil terminal in the vacuum circuit breaker;
the intermediate relay KM5 is electrically connected with a break coil terminal in the vacuum circuit breaker.
The working principle of this embodiment is as follows:
The electric energy detection module 4 detects electric energy information of the electric network, the liquid crystal touch display screen displays the detected electric energy information of the electric network, and after a worker knows the electric energy information of the electric network through the liquid crystal touch display screen, the electric energy information of the electric network is manually controlled or automatically controlled through the manual-automatic change-over switch 10.
In the manual control, the energy-saving mode or the bypass (normal) mode is controlled by the energy-saving change-over switch 11, and when the energy-saving mode is adopted, the energy-saving gear is controlled by the energy-saving gear change-over switch 12, namely the energy-saving degree is controlled.
When the automatic control is performed, if the electric energy detection module 4 detects that the current power grid voltage value is X;
State (1): when X exceeds the value of Y3, the 1# output end of the controller 3 outputs a control signal to control the intermediate relay KM1, and the intermediate relay KM1 controls the nx1, ny1 and nz1 ends of the three-phase transformer 2 through the three-phase alternating current contactor KM 6.
State (2): when X is between Y2 and Y3, the 2# output end of the controller 3 outputs a control signal to control the intermediate relay KM2, and the intermediate relay KM2 controls the nx2, ny2 and nz2 ends of the three-phase transformer 2 through the three-phase alternating current contactor KM 7.
State (3): when X is between Y1 and Y2, the 3# output end of the controller 3 outputs a control signal to control the intermediate relay KM3, and the intermediate relay KM3 controls the nx3, ny3 and nz3 ends of the three-phase transformer 2 through the three-phase alternating current contactor KM 8.
State (4): when X is lower than the value of Y1, the 4# output end of the controller 3 outputs a closing signal to control the intermediate relay KM4, and the intermediate relay KM4 controls a closing coil terminal in the vacuum circuit breaker.
State (5): when the state (4) is switched to the states (1) - (3), the 5# output end of the controller 3 outputs a switching-off signal to control the intermediate relay KM5, and the intermediate relay KM5 controls a switching-off coil terminal in the vacuum circuit breaker.
In this embodiment, after the electric energy information of the power grid is obtained through detection of the electric energy detection module 4, a worker can perform manual or automatic control, and during automatic control, the controller 3 can control on-off of the energy-saving circuit and the bypass circuit according to the obtained electric energy information of the power grid, so that different windings of the three-phase transformer 2 are controlled to output, and an energy-saving effect is achieved. During manual control, based on the electric energy information of the power grid, a worker can also control the on-off of the energy-saving circuit and the bypass circuit according to the experience of the worker, so that the output of different windings of the three-phase transformer 2 is controlled.
The cooling fan 8 and the cooling window 9 are respectively positioned at the upper end and the lower end of the back of the cabinet 1, and the three-phase transformer 2, the controller 3, the electric energy detection module 4 and the like are positioned between the cooling fan 8 and the cooling window 9 to form a reasonable cooling air channel, so that cold air outside the cabinet 1 enters the cabinet 1 from the cooling window 9 positioned at the lower end of the back of the cabinet 1, and hot air in the cabinet 1 is discharged out of the cabinet 1 from the cooling fan 8 positioned at the upper end of the back of the cabinet 1, thereby prolonging the service life of the electric cabinet. In the above, the temperature controller 7 controls the usage of the cooling fan 8 according to the temperature in the cabinet 1, so as to further realize energy saving.
The above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model, so variations in shape and principles of the present utility model should be covered.
Claims (10)
1. The energy-saving electric cabinet is characterized by comprising a cabinet, and a three-phase transformer, an on-off module, a controller and an electric energy detection module which are arranged in the cabinet;
Wherein,
The electric energy detection module is electrically connected with the controller;
The controller is electrically connected with the three-phase transformer through the on-off module;
the on-off module comprises an energy-saving circuit and a bypass circuit;
the energy-saving circuit is connected with the bypass circuit in parallel.
2. An energy-saving electric cabinet according to claim 1, wherein the energy-saving circuit comprises an intermediate relay KM1, an intermediate relay KM2, an intermediate relay KM3, a three-phase ac contactor KM6, a three-phase ac contactor KM7, and a three-phase ac contactor KM8;
Wherein,
The intermediate relay KM1 is electrically connected between the controller and the three-phase alternating current contactor KM6, and the three-phase alternating current contactor KM6 is electrically connected with ends nx1, ny1 and nz1 corresponding to the three-phase transformer;
The intermediate relay KM2 is electrically connected between the controller and the three-phase alternating current contactor KM7, and the three-phase alternating current contactor KM7 is electrically connected with ends nx2, ny2 and nz2 corresponding to the three-phase transformer;
The intermediate relay KM3 is electrically connected between the controller and the three-phase alternating-current contactor KM8, and the three-phase alternating-current contactor KM8 is electrically connected with ends nx3, ny3 and nz3 corresponding to the three-phase transformer.
3. An energy-saving electric cabinet according to claim 1, wherein the bypass circuit comprises an intermediate relay KM4, an intermediate relay KM5 and a vacuum circuit breaker;
The intermediate relay KM4 is electrically connected with a closing coil terminal in the vacuum circuit breaker;
The intermediate relay KM5 is electrically connected with a breaking coil terminal in the vacuum circuit breaker.
4. The energy efficient electrical cabinet of claim 1, further comprising an interactive module electrically coupled to the controller.
5. The energy efficient electrical cabinet according to claim 4, further comprising a switch through which the interactive module is electrically connected to the controller.
6. The energy-saving electric cabinet according to claim 1, further comprising a temperature controller, wherein the temperature controller is installed in the cabinet;
The back of the cabinet is provided with a cooling fan and a cooling window;
the radiating fan and the radiating window are respectively positioned at the upper end and the lower end of the back of the cabinet;
the three-phase transformer, the controller and the electric energy detection module are positioned between the cooling fan and the cooling window;
the temperature controller is electrically connected with the cooling fan.
7. The energy-saving electric cabinet according to claim 1, wherein the cabinet is provided with a manual-automatic change-over switch, an energy-saving change-over switch and an energy-saving gear change-over switch;
The manual-automatic change-over switch, the energy-saving change-over switch and the energy-saving gear change-over switch are all electrically connected with the controller.
8. An energy efficient electrical cabinet according to claim 1 or 7, wherein the controller is an FX5U-32MR controller.
9. The energy-saving electric cabinet according to claim 1, wherein the electric energy detection module is an SDT640-RO multifunctional electric energy meter.
10. An energy efficient electrical cabinet according to claim 4 or 5, wherein the interaction module is a liquid crystal touch display.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202322885740.5U CN220934742U (en) | 2023-10-26 | 2023-10-26 | Energy-saving electric cabinet |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202322885740.5U CN220934742U (en) | 2023-10-26 | 2023-10-26 | Energy-saving electric cabinet |
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CN220934742U true CN220934742U (en) | 2024-05-10 |
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CN202322885740.5U Active CN220934742U (en) | 2023-10-26 | 2023-10-26 | Energy-saving electric cabinet |
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2023
- 2023-10-26 CN CN202322885740.5U patent/CN220934742U/en active Active
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