CN216017600U - DCS device with quick elimination alternating current induction function - Google Patents
DCS device with quick elimination alternating current induction function Download PDFInfo
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- CN216017600U CN216017600U CN202122335828.0U CN202122335828U CN216017600U CN 216017600 U CN216017600 U CN 216017600U CN 202122335828 U CN202122335828 U CN 202122335828U CN 216017600 U CN216017600 U CN 216017600U
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Abstract
The utility model relates to an automatic control technical field, concretely relates to DCS device with quick elimination alternating current induction electric function, include: a plurality of DPU cabinets, control station, DCS power cabinet and total power, the DCS power cabinet includes: total air switch, power bus, power supply terminal row, multiunit power intermediate line, response electricity elimination subassembly and DCS power cabinet ground connection copper bar, carry out the ligature between the multiunit power intermediate line and form the pencil, the response electricity elimination subassembly includes: induction coil and coil earth connection, induction coil is the heliciform structure cover and locates the outside of pencil, induction coil's top end is unsettled, induction coil's below end is connected with the coil earth connection, the other end of coil earth connection with DCS power cabinet ground connection copper bar is connected, the DPU rack is used for realizing process monitoring and control function, the DPU rack includes: DPU power module, DPU treater and detection card piece.
Description
Technical Field
The utility model relates to an automatic control technology field, concretely relates to DCS device with quick elimination alternating current induction electric function.
Background
DCS is an English abbreviation of distributed control system, and is also called as distributed control system in the domestic automatic control industry. The system is a novel computer control system relative to a centralized control system, is developed and evolved on the basis of the centralized control system, adopts the basic design idea of control dispersion, operation and management centralization and adopts a structural form of multilayer grading and cooperative autonomy, and the DCS generally comprises: the DCS comprises a field control unit and an operation station, wherein the field control unit is generally far away from a control center and is installed at a place close to the field, the high-degree modular structure of the DCS can be configured into process control units with different scales from a plurality of monitoring points to hundreds of monitoring points according to the requirements of process monitoring and control, the operation station is used for displaying and recording process data from all the control units, and the DCS is an operation interface for information interaction between people and a production process, and is widely applied to the power industry at present.
Among the present DCS device, generally be provided with DCS power rack, the total power cord passes through behind the DCS power rack, subdivide into during the multiunit power cord stretches out the DPU power module that the branch received each site control unit, in the DCS power rack, need carry out the ligature arrangement with tens group lines, can cause the circuit confusion in this process, this circuit generally uses conventional power cord, there is insulating ageing, the not enough scheduling problem of shielding strength, can produce great response potential, safety to constructor, all cause very big threat to precision equipment's safety.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes prior art exists not enough, provides a DCS device with quick elimination alternating current response electric function.
In order to solve the technical problem, the utility model discloses a technical scheme do:
a DCS apparatus with a function of quickly eliminating an ac induction power, comprising: a plurality of DPU cabinets, control station, DCS power cabinet and total power, the DCS power cabinet includes: total air switch, power bus, power supply terminal row, multiunit power intermediate line, response electricity elimination subassembly and DCS power cabinet ground copper bar, the power supply terminal row includes: the main power source interface is connected with the main power source through the power bus, a main air switch is arranged on the power bus, the power source interfaces are connected with power source intermediate lines, the other end of each power source intermediate line extends out of the DCS power cabinet and is connected with the DPU cabinet, binding is carried out among the multiple groups of power source intermediate lines to form a wire harness, and the induction electricity eliminating assembly comprises: the induction coil is sleeved outside the wire harness in a spiral structure, the number of turns of the induction coil can be set according to actual conditions, the upper end of the induction coil is suspended, the lower end of the induction coil is connected with a coil grounding wire, and the other end of the coil grounding wire is connected with a DCS power cabinet grounding copper bar;
the DPU cabinet is used for realizing the process monitoring and control function, and the DPU cabinet comprises: DPU power module, DPU treater and detection card piece, DPU power module includes: power connection, transformer A, transformer B, switch A, switch B, output terminal A and output terminal B, power connection's incoming end with the power intermediate line that DCS power cabinet stretches out is connected, power connection's output is connected with switch A's input and switch B's input, and switch A's output has connected gradually transformer A and output terminal A, and switch B's output has connected gradually transformer B and output terminal B, output terminal A be used for doing the DPU treater power supply, output terminal B is used for supplying power for detecting the fastener, the DPU treater with signal transmission to the control station, the control station can set up in the total control room of power plant according to actual conditions, the staff of being convenient for operates.
Further, the DCS device further includes: the grounding device is arranged in each DPU cabinet, the grounding copper bars of the DCS power cabinet and the grounding devices in the DPU cabinets are connected with the grounding main cabinet, and the grounding main cabinet is connected with an electric grounding network.
Further, the DPU power module further includes: the fuse is arranged between the switch and the transformer and between the transformer and the output terminal, protects the circuit and prevents the electric elements from being damaged due to overhigh voltage.
Further, the DPU power module further includes: the DPU power switch is arranged on a power supply intermediate line connected with the access end of the power supply connector and used for controlling the power supply condition of the whole DPU cabinet.
Further, the main power supply adopts a 220V alternating current security power supply, the transformer A is a 24V transformer, and the transformer B is a 48V transformer.
Further, a diode is arranged between the transformer and the output terminal and used for feeding back the power transmission working condition of the output terminal.
The working principle of the utility model is as follows:
the utility model discloses well mains supplies power for whole DCS device, mains is connected with the power supply terminal row through power bus, be provided with a plurality of power supply interfaces that divide on the power supply terminal row, it supplies power for a plurality of DPU cabinets through the power intermediate line to divide the power interface, the DPU cabinet is used for realizing process monitoring and control function, every DPU cabinet all corresponds a set of power intermediate line, multiunit power intermediate line carries out the ligature and forms the pencil, the process can cause the circuit confusion here, the power intermediate line generally uses conventional power cord, there is insulating ageing, shielding strength not enough scheduling problem, can produce great induction potential, induction coil can be used for eliminating the response electricity of its production.
Compared with the prior art, the utility model following beneficial effect has.
The utility model is provided with an induced electricity elimination assembly which can be used for eliminating induced electricity generated by a power supply intermediate line, thereby ensuring the installation of constructors and simultaneously preventing induced potential from damaging precision equipment;
two, the utility model discloses a set up the DCS power cabinet, for the total cabinet of power in this DCS device, later distribute to each DPU rack by the total cabinet of power, can effectually manage the power supply work of device.
Drawings
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic view of the present invention.
Fig. 2 is the utility model discloses the structural schematic of DCS power cabinet.
Fig. 3 is a circuit diagram of the DPU power module of the present invention.
In the figure: the power supply system comprises a DPU cabinet 1, a power connector 11, a transformer A12, a transformer B13, a switch A14, a switch B15, an output terminal A16, an output terminal B17, a fuse 18, a DPU power switch 19, a diode 10, a main power supply 2, a DCS power cabinet 3, a main air switch 31, a power bus 32, a power supply terminal row 33, a power intermediate line 34, a DCS power cabinet grounding copper bar 35, an induction coil 36, a coil grounding wire 37 and a grounding main cabinet 4.
Detailed Description
The following is a further description with reference to specific examples.
A DCS apparatus with a function of quickly eliminating an ac induction power, comprising: a plurality of DPU rack 1, control station, total power supply 2 and DCS power cabinet 3, DCS power cabinet 3 includes: total air switch 31, power bus 32, power supply terminal row 33, multiunit power intermediate line 34, response electricity elimination subassembly and DCS power cabinet ground connection copper bar 35, power supply terminal row 33 includes: the main power supply interface is connected with the main power supply 2 through the power bus 32, a main air switch 31 is arranged on the power bus 32, the power supply interfaces are connected with power intermediate lines, the other end of each power intermediate line extends out of the DCS power cabinet 2 to be connected with the DPU cabinet 1, binding is carried out among the multiple groups of power intermediate lines 34 to form a wire harness, and the induction electricity eliminating assembly comprises: the induction coil 36 is sleeved outside the wire harness in a spiral structure, the upper end of the induction coil 36 is suspended, the lower end of the induction coil 36 is connected with a coil grounding wire 37, and the other end of the coil grounding wire 37 is connected with the DCS power cabinet grounding copper bar 35;
the DPU cabinet 1 includes: DPU power module, DPU treater and detection card piece, DPU power module includes: power connection 11, transformer A12, transformer B13, switch A14, switch B15, output terminal A16 and output terminal B17, power connection 11's incoming end with the power intermediate line that DCS power cabinet 2 stretches out is connected, power connection 11's output is connected with switch A14's input and switch B15's input, and switch A14's output has connected gradually transformer A12 and output terminal A16, and switch B15's output has connected gradually transformer B13 and output terminal B17, output terminal A16 is used for the DPU treater power supply, output terminal B17 is used for supplying power for detecting the fastener, the DPU treater with signal transmission to the control station.
The DCS device further comprises: the main grounding cabinet 4, all be provided with earthing device in the DPU rack 1, the earthing device in DCS power cabinet ground connection copper bar 35 and a plurality of DPU racks all is connected with the main grounding cabinet 4, the main grounding cabinet 4 of ground connection is connected with electric grounding net.
The DPU power module further comprises: the fuse 18 is provided between the switch and the transformer and between the transformer and the output terminal.
The DPU power module further comprises: and the DPU power switch 19 is arranged on a power supply intermediate line connected with the access end of the power supply connector.
The main power supply adopts a 220V alternating current security power supply, the transformer A is a 24V transformer, and the transformer B is a 48V transformer.
A diode 10 is also provided between the transformer and the output terminal.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. It will be apparent to those skilled in the art that modifications and improvements can be made to the above-described embodiments without departing from the spirit and scope of the invention. Accordingly, it will be appreciated that those skilled in the art, upon attaining an understanding of the foregoing may readily produce alterations to, variations of, and equivalents to these embodiments without departing from the spirit and scope of the present invention as defined by the appended claims.
Claims (6)
1. A DCS device with function of quickly eliminating AC induction power is characterized by comprising: a plurality of DPU rack (1), control station, total power supply (2) and DCS power cabinet (3), DCS power cabinet (3) include: total air switch (31), power bus (32), power supply terminal row (33), multiunit power intermediate line (34), response electricity elimination subassembly and DCS power cabinet ground connection copper bar (35), power supply terminal row (33) includes: the utility model provides a digital power supply (DCS) system, including main power source interface and a plurality of power supply interface that divides, main power source interface pass through power bus (32) with main power source (2) are connected, be provided with total air switch (31) on power bus (32), it all is connected with the power intermediate line to divide power source interface, the other end of power intermediate line stretches out DCS power cabinet (3) and is connected with DPU rack (1), carries out the ligature between multiunit power intermediate line (34) and forms the pencil, the response electricity elimination subassembly includes: the induction coil (36) is sleeved outside the wire harness in a spiral structure, the upper end of the induction coil (36) is suspended, the lower end of the induction coil (36) is connected with a coil grounding wire (37), and the other end of the coil grounding wire (37) is connected with the DCS power cabinet grounding copper bar (35);
the DPU cabinet (1) comprises: DPU power module, DPU treater and detection card piece, DPU power module includes: power connection (11), transformer A (12), transformer B (13), switch A (14), switch B (15), output terminal A (16) and output terminal B (17), the incoming end of power connection (11) with the power intermediate line that DCS power cabinet (3) stretches out is connected, the output of power connection (11) is connected with the input of switch A (14) and the input of switch B (15), and the output of switch A (14) has connected gradually transformer A (12) and output terminal A (16), and the output of switch B (15) has connected gradually transformer B (13) and output terminal B (17), output terminal A (16) are used for doing the DPU treater power supply, output terminal B (17) are used for detecting the power supply, the DPU treater with signal transmission to the control station fastener.
2. The DCS device of claim 1, further comprising: the power distribution cabinet is characterized by comprising a grounding main cabinet (4), wherein grounding devices are arranged in the DPU cabinets (1), the DCS power cabinet grounding copper bars (35) and the grounding devices in the DPU cabinets are connected with the grounding main cabinet (4), and the grounding main cabinet (4) is connected with an electric grounding network.
3. The DCS device with the function of rapidly eliminating ac induction power of claim 1, wherein the DPU power module further comprises: and the fuse (18) is arranged between the switch and the transformer and between the transformer and the output terminal.
4. The DCS device with the function of quickly eliminating the alternating current induction power as claimed in claim 3, wherein the DPU power supply module further comprises: and the DPU power switch (19) is arranged on a power supply intermediate line connected with the access end of the power supply connector.
5. The DCS device with the function of quickly eliminating alternating current induction power as claimed in claim 1, wherein the main power supply adopts a safety power supply with 220V alternating current, the transformer A is a 24V transformer, and the transformer B is a 48V transformer.
6. DCS device with function of fast eliminating AC induction power as claimed in claim 3, wherein a diode (10) is further provided between the transformer and the output terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122335828.0U CN216017600U (en) | 2021-09-26 | 2021-09-26 | DCS device with quick elimination alternating current induction function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122335828.0U CN216017600U (en) | 2021-09-26 | 2021-09-26 | DCS device with quick elimination alternating current induction function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216017600U true CN216017600U (en) | 2022-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122335828.0U Active CN216017600U (en) | 2021-09-26 | 2021-09-26 | DCS device with quick elimination alternating current induction function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216017600U (en) |
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2021
- 2021-09-26 CN CN202122335828.0U patent/CN216017600U/en active Active
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