CN214474604U - Power supply monitoring device of DCS system - Google Patents
Power supply monitoring device of DCS system Download PDFInfo
- Publication number
- CN214474604U CN214474604U CN202120314949.4U CN202120314949U CN214474604U CN 214474604 U CN214474604 U CN 214474604U CN 202120314949 U CN202120314949 U CN 202120314949U CN 214474604 U CN214474604 U CN 214474604U
- Authority
- CN
- China
- Prior art keywords
- relay
- power supply
- control station
- normally closed
- value input
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Landscapes
- Direct Current Feeding And Distribution (AREA)
Abstract
The utility model provides a power monitoring device of DCS system relates to DCS system power supply field, can real time monitoring power whether trouble. The monitoring system comprises a first monitoring module, a second monitoring module and a third monitoring module, wherein the first monitoring module is connected between a power supply unit of a first control station and a second switching value input module of a second control station, the second monitoring module is connected between the power supply unit of the second control station and a third switching value input module of a third control station, and the third monitoring module is connected between the power supply unit of the third control station and a first switching value input module of the first control station; and monitoring whether the power supply unit of the control station fails by using any other control station, wherein the first display module, the second display module, the third display module and the fourth display module of the first control station, the second control station and the third control station are all arranged on the operation station, so that the power supply units of all the control stations are displayed on the operation station, and an operator and a DCS (distributed control system) maintainer can monitor whether each power supply unit fails in real time through a picture of the operation station.
Description
Technical Field
The present disclosure relates to the field of power supply of DCS systems, and in particular, to a power supply monitoring device for a DCS system.
Background
Production and operation of large enterprises are controlled by a Distributed Control System (DCS), and usually, power supplies of the DCS are all configured redundantly to ensure safety and reliability of power supply of the DCS.
In actual operation, due to the reasons of untimely inspection and the like, the shutdown of the DCS system caused by the power loss of the power supply still occurs. In addition, since the operator can only check the DCS power supply periodically, it is difficult to monitor the quality of the power supply of the DCS system in real time.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a power supply monitoring device of DCS system, whether the electrical unit who utilizes the second control station to keep watch on first control station breaks down, whether the electrical unit who utilizes the third control station to keep watch on the second control station breaks down, whether the electrical unit who utilizes the first control station to keep watch on the third control station breaks down, because first to third display module to the third control station all installs at the operation station, the event shows the electrical unit of all control stations to the operation station, whether picture real time monitoring each electrical unit of operation personnel and DCS maintainer through the operation station breaks down, thereby improve DCS control system's supervision level and safety and stability.
In order to achieve the above object, the embodiments of the present invention adopt the following technical solutions:
a power supply monitoring apparatus of a DCS system, comprising:
the first monitoring module is connected between a power supply unit of a first control station and a second switching value input module of a second control station, a second display module of the second control station is connected with the second switching value input module, and the second display module displays whether the power supply unit of the first control station fails or not;
a second monitoring module connected between the power supply unit of the second control station and a third switching value input module of a third control station, a third display module of the third control station connected with the third switching value input module, the third display module displaying whether the power supply unit of the second control station is failed;
a third monitoring module connected between a power supply unit of a third control station and the first switching value input module of the first control station; and a first display module of the first control station is connected with the first switching value input module, and the first display module displays whether a power supply unit of the third control station is in fault or not.
In some embodiments, the power supply unit of the first control station comprises a first power supply and a second power supply, the first monitoring module comprises: a first relay K1 connected in parallel at two ends of a first power supply, a second relay K2 connected in parallel at two ends of a second power supply, a first fuse FU1 connected with the first relay K1, and a second fuse FU2 connected with the second relay K2;
the positive pole of the first power supply is connected with the positive coil terminal of the first relay K1 after being connected with the first fuse FU1 in series, the negative coil terminal of the first relay K1 is connected with the negative pole of the first power supply, the normally closed positive contact of the first relay K1 is connected with the first positive contact of the second switching value input module, and the normally closed negative contact of the first relay K1 is connected with the first negative contact of the second switching value input module;
the positive electrode of the second power supply is connected with the positive coil terminal of the second relay K2 after being connected with the second fuse FU2 in series, the negative coil terminal of the second relay K2 is connected with the negative electrode of the second power supply, the normally closed positive contact of the second relay K2 is connected with the second positive contact of the second switching value input module, and the normally closed negative contact of the second relay K2 is connected with the second negative contact of the second switching value input module;
and the second display module is connected with the second switching value input module and displays whether the first power supply and the second power supply are in failure or not.
In some embodiments, the power supply unit of the second control station comprises a third power supply and a fourth power supply, and the second monitoring module comprises: a third relay K3 connected in parallel at both ends of the third power supply, a fourth relay K4 connected in parallel at both ends of the fourth power supply, a third fuse FU3 connected with the third relay K3, and a fourth fuse FU4 connected with the fourth relay K4;
the positive electrode of the third power supply is connected with the positive coil terminal of the third relay K3 after being connected with the third fuse FU3 in series, the negative coil terminal of the third relay K3 is connected with the negative electrode of the third power supply, the normally closed positive contact of the third relay K3 is connected with the first positive contact of the third switching value input module, and the normally closed negative contact of the third relay K3 is connected with the first negative contact of the third switching value input module;
the positive electrode of the fourth power supply is connected with the positive coil terminal of the fourth relay K4 after being connected with the fourth fuse FU4 in series, the negative coil terminal of the fourth relay K4 is connected with the negative electrode of the fourth power supply, the normally closed positive contact of the fourth relay K4 is connected with the second positive contact of the third switching value input module, and the normally closed negative contact of the fourth relay K4 is connected with the second negative contact of the third switching value input module;
and the third display module is connected with the third switching value input module and displays whether the third power supply and the fourth power supply are in failure or not.
In some embodiments, the power supply unit of the third control station comprises a fifth power supply and a sixth power supply, and the second monitoring module comprises: a fifth relay K5 connected in parallel to both ends of the fifth power supply, a sixth relay K6 connected in parallel to both ends of the sixth power supply, a fifth fuse FU5 connected to the fifth relay K5, and a sixth fuse FU6 connected to the sixth relay K6;
the positive electrode of the fifth power supply is connected with the positive coil terminal of the fifth relay K5 after being connected with the fifth fuse FU5 in series, the negative coil terminal of the fifth relay K5 is connected with the negative electrode of the fifth power supply, the normally closed positive contact of the fifth relay K5 is connected with the first positive contact of the third switching value input module, and the normally closed negative contact of the fifth relay K5 is connected with the first negative contact of the third switching value input module;
the positive electrode of the sixth power supply is connected with the positive coil terminal of the sixth relay K6 after being connected with the sixth fuse FU6 in series, the negative coil terminal of the sixth relay K6 is connected with the negative electrode of the sixth power supply, the normally closed positive contact of the sixth relay K6 is connected with the second positive contact of the first switching value input module, and the normally closed negative contact of the sixth relay K6 is connected with the second negative contact of the first switching value input module;
the first display module is connected with the first switching value input module, and the first display module displays whether the fifth power supply and the sixth power supply are in fault or not.
In some embodiments, a first alarm module of the first control station is connected with a first switching value input module, and the first alarm module alarms when a power supply unit of the third control station fails;
a second alarm module of the second control station is connected with a second switching value input module, and the second alarm module alarms when a power supply unit of the first control station fails;
and a third alarm module of the third control station is connected with a third switching value input module, and the third alarm module alarms when a power supply unit of the second control station fails.
In some embodiments, the first power supply of the first control station, the first fuse FU1 and the coil of the first relay K1 form a first loop, the first loop is switched on when the first power supply is normal, and the first loop is switched off when the first power supply fails;
a first group of contacts of the second switching value input module and the normally closed contact of the first relay K1 form a first monitoring circuit, when the coil of the first relay K1 is electrified, the normally closed contact of the first relay K1 is closed, and the first monitoring circuit is connected; when the coil of the first relay K1 loses power, the normally closed contact of the first relay K1 is opened, and the first monitoring circuit is opened;
a second power supply of the first control station, a second fuse FU2 and a coil of a second relay K2 form a second loop, the second loop is connected when the second power supply is normal, and the second loop is disconnected when the second power supply fails;
a second group of contacts of the second switching value input module and the normally closed contact of the second relay K2 form a second monitoring circuit, when the coil of the second relay K2 is electrified, the normally closed contact of the second relay K2 is closed, and the second monitoring circuit is connected; when the coil of the second relay K2 loses power, the normally closed contact of the second relay K2 is opened, and the second monitoring circuit is opened.
In some embodiments, the third power supply of the second control station, the third fuse FU3, and the coil of the third relay K3 form a third circuit, the third circuit is on when the third power supply is normal, and the third circuit is off when the third power supply fails;
the first group of contacts of the third switching value input module and the normally closed contact of the third relay K3 form a third monitoring circuit, the normally closed contact of the third relay K3 is closed when the coil of the third relay K3 is electrified, and the third monitoring circuit is connected; when the coil of the third relay K3 loses power, the normally closed contact of the third relay K3 is opened, and the third monitoring circuit is opened;
a fourth circuit is formed by a fourth power supply of the second control station, a fourth fuse FU4 and a coil of a fourth relay K4, the fourth circuit is connected when the fourth power supply is normal, and the fourth circuit is disconnected when the fourth power supply fails;
a second group of contacts of the third switching value input module and the normally closed contact of the fourth relay K4 form a fourth monitoring circuit, the normally closed contact of the fourth relay K4 is closed when the coil of the fourth relay K4 is electrified, and the fourth monitoring circuit is connected; when the coil of the fourth relay K4 loses power, the normally closed contact of the fourth relay K4 is opened, and the fourth monitoring circuit is opened.
In some embodiments, the coils of the fifth power supply, the fifth fuse FU5 and the fifth relay K5 of the third control station form a fifth loop, the fifth loop is switched on when the fifth power supply is normal, and the fifth loop is switched off when the fifth power supply fails;
the first group of contacts of the first switching value input module and the normally closed contact of the fifth relay K5 form a fifth monitoring circuit, the normally closed contact of the fifth relay K5 is closed when the coil of the fifth relay K5 is electrified, and the fifth monitoring circuit is connected; when the coil of the fifth relay K5 loses power, the normally closed contact of the fifth relay K5 is opened, and the fifth monitoring circuit is opened;
a sixth loop is formed by a sixth power supply of the third control station, a sixth fuse FU6 and a coil of a sixth relay K6, the sixth loop is switched on when the sixth power supply is normal, and the sixth loop is switched off when the sixth power supply fails;
a second group of contacts of the first switching value input module and the normally closed contact of the sixth relay K6 form a sixth monitoring circuit, when the coil of the sixth relay K6 is electrified, the normally closed contact of the sixth relay K6 is closed, and the sixth monitoring circuit is connected; when the coil of the sixth relay K6 loses power, the normally closed contact of the sixth relay K6 is opened, and the sixth monitoring circuit is opened.
In the present disclosure, at least the following technical effects or advantages are provided:
1. the embodiment of the utility model discloses an whether power supply unit who utilizes the second control station to keep watch on first control station is trouble, whether power supply unit who utilizes the third control station to keep watch on the second control station is trouble, whether power supply unit who utilizes the first control station to keep watch on the third control station is trouble, because first to third display module to the third control station all install at the operation station, the event shows the power of all control station cabinets to the operation station, whether picture real time monitoring each power supply unit of operation personnel and DCS maintainer through the operation station is trouble, thereby improve DCS control system's supervision level and safety and stability.
2. The embodiment of the utility model discloses a connect a relay in parallel at every power both ends of every control station, connect a fuse before the relay, export to adjacent control station through the normally closed point of relay, through whether the power of operation station picture real time monitoring adjacent control station breaks down to improve the monitoring level and the safety and stability of DCS system power.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments of the present invention or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a functional block diagram of a power monitoring device provided in accordance with some embodiments of the present disclosure;
FIG. 2 is a circuit diagram of a corresponding first monitoring module within a first control station provided in accordance with some embodiments of the present disclosure;
FIG. 3 is a circuit diagram of a corresponding second monitoring module within a second control station provided in accordance with some embodiments of the present disclosure;
FIG. 4 is a circuit diagram of a corresponding third monitoring module within a third control station provided in accordance with some embodiments of the present disclosure;
fig. 5 is a circuit diagram between first through third control stations provided in accordance with some embodiments of the present disclosure.
Detailed Description
The present disclosure is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present disclosure, and those skilled in the art should understand that the functional, methodological, or structural equivalents of these embodiments or substitutions may be included in the scope of the present disclosure.
In the description of the embodiments of the present disclosure, it is to be understood that the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
Unless expressly stated or limited otherwise, the terms "connected," "secured," and the like are intended to be inclusive and mean, for example, that they may be fixedly connected, releasably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1, an embodiment of the present disclosure provides a power monitoring apparatus for a DCS system, including a first monitoring module, a second monitoring module, and a third monitoring module, wherein:
the first monitoring module is connected between a power supply unit of the first control station and a second switching value input module of the second control station, a second display module of the second control station is connected with the second switching value input module, and the second display module displays whether the power supply unit of the first control station fails or not.
The second monitoring module is connected between the power supply unit of the second control station and a third switching value input module of the third control station, a third display module of the third control station is connected with the third switching value input module, and the third display module displays whether the power supply unit of the second control station is in failure or not.
The third monitoring module is connected between the power supply unit of the third control station and the first switching value input module of the first control station; and a first display module of the first control station is connected with the first switching value input module, and the first display module displays whether the power supply unit of the third control station is in failure or not.
In some embodiments, referring to fig. 2, the power supply unit of the first control station includes a first power supply and a second power supply, and the first monitoring module includes: a first relay K1 connected in parallel at two ends of a first power supply, a second relay K2 connected in parallel at two ends of a second power supply, a first fuse FU1 connected with the first relay K1, and a second fuse FU2 connected with the second relay K2; the positive pole of the first power supply is connected with the positive terminal of the coil of the first relay K1 after being connected with the first fuse FU1 in series, the negative terminal of the coil of the first relay K1 is connected with the negative pole of the first power supply, the normally closed positive contact of the first relay K1 is connected with the first positive contact of the second switching value input module, and the normally closed negative contact of the first relay K1 is connected with the first negative contact of the second switching value input module; the positive electrode of the second power supply is connected with the positive terminal of a coil of a second relay K2 after being connected with a second fuse FU2 in series, the negative terminal of the coil of the second relay K2 is connected with the negative electrode of the second power supply, the normally closed positive contact of the second relay K2 is connected with the second positive contact of the second switching value input module, and the normally closed negative contact of the second relay K2 is connected with the second negative contact of the second switching value input module; the second display module is connected with the second switching value input module and displays whether the first power supply and the second power supply are in failure or not.
In some embodiments, referring to fig. 3, the power supply unit of the second control station includes a third power supply and a fourth power supply, and the second monitoring module includes: a third relay K3 connected in parallel at both ends of the third power supply, a fourth relay K4 connected in parallel at both ends of the fourth power supply, a third fuse FU3 connected with the third relay K3, and a fourth fuse FU4 connected with the fourth relay K4; the positive electrode of the third power supply is connected with the positive terminal of a coil of a third relay K3 after being connected with a third fuse FU3 in series, the negative terminal of the coil of the third relay K3 is connected with the negative electrode of the third power supply, the normally closed positive contact of the third relay K3 is connected with the first positive contact of the third switching value input module, and the normally closed negative contact of the third relay K3 is connected with the first negative contact of the third switching value input module; the positive electrode of the fourth power supply is connected with the positive coil terminal of the fourth relay K4 after being connected with the fourth fuse FU4 in series, the negative coil terminal of the fourth relay K4 is connected with the negative electrode of the fourth power supply, the normally closed positive contact of the fourth relay K4 is connected with the second positive contact of the third switching value input module, and the normally closed negative contact of the fourth relay K4 is connected with the second negative contact of the third switching value input module; and the third display module is connected with the third switching value input module and displays whether the third power supply and the fourth power supply are in failure or not.
In some embodiments, referring to fig. 4, the power supply unit of the third control station includes a fifth power supply and a sixth power supply, and the second monitoring module includes: a fifth relay K5 connected in parallel to both ends of the fifth power supply, a sixth relay K6 connected in parallel to both ends of the sixth power supply, a fifth fuse FU5 connected to the fifth relay K5, and a sixth fuse FU6 connected to the sixth relay K6; the positive electrode of the fifth power supply is connected with the positive coil terminal of the fifth relay K5 after being connected with the fifth fuse FU5 in series, the negative coil terminal of the fifth relay K5 is connected with the negative electrode of the fifth power supply, the normally closed positive contact of the fifth relay K5 is connected with the first positive contact of the third switching value input module, and the normally closed negative contact of the fifth relay K5 is connected with the first negative contact of the third switching value input module; the positive electrode of the sixth power supply is connected with the positive terminal of a coil of a sixth relay K6 after being connected with a sixth fuse FU6 in series, the negative terminal of the coil of the sixth relay K6 is connected with the negative electrode of the sixth power supply, the normally closed positive contact of the sixth relay K6 is connected with the second positive contact of the first switching value input module, and the normally closed negative contact of the sixth relay K6 is connected with the second negative contact of the first switching value input module; the first display module is connected with the first switching value input module, and the first display module displays whether the fifth power supply and the sixth power supply are in fault or not.
In some preferred embodiments of the present disclosure, the first alarm module of the first control station is connected to the first switching value input module, and the first alarm module alarms when a power supply unit of the third control station fails; a second alarm module of the second control station is connected with the second switching value input module, and the second alarm module alarms when a power supply unit of the first control station fails; and a third alarm module of the third control station is connected with the third switching value input module, and the third alarm module alarms when a power supply unit of the second control station fails.
Referring to fig. 1 to 5, it can be understood by those skilled in the art that: a first power supply of the first control station, a first fuse FU1 and a coil of a first relay K1 form a first loop, the first loop is connected when the first power supply is normal, and the first loop is disconnected when the first power supply fails; a first group of contacts of the second switching value input module and the normally closed contact of the first relay K1 form a first monitoring loop, when the coil of the first relay K1 is electrified, the normally closed contact of the first relay K1 is closed, and the first monitoring loop is switched on; when the coil of the first relay K1 loses power, the normally closed contact of the first relay K1 is opened, and the first monitoring loop is opened; a second loop is formed by a second power supply of the first control station, a second fuse FU2 and a coil of a second relay K2, the second loop is connected when the second power supply is normal, and the second loop is disconnected when the second power supply fails; a second group of contacts of the second switching value input module and the normally closed contact of the second relay K2 form a second monitoring circuit, when the coil of the second relay K2 is electrified, the normally closed contact of the second relay K2 is closed, and the second monitoring circuit is connected; when the coil of the second relay K2 loses power, the normally closed contact of the second relay K2 is opened, and the second monitoring circuit is opened.
Referring to fig. 1 to 5, it can be understood by those skilled in the art that: a third loop is formed by a third power supply of the second control station, a third fuse FU3 and a coil of a third relay K3, the third loop is connected when the third power supply is normal, and the third loop is disconnected when the third power supply fails; the first group of contacts of the third switching value input module and the normally closed contact of the third relay K3 form a third monitoring circuit, when the coil of the third relay K3 is electrified, the normally closed contact of the third relay K3 is closed, and the third monitoring circuit is connected; when the coil of the third relay K3 loses power, the normally closed contact of the third relay K3 is disconnected, and the third monitoring loop is disconnected; a fourth circuit is formed by a fourth power supply of the second control station, a fourth fuse FU4 and a coil of a fourth relay K4, the fourth circuit is connected when the fourth power supply is normal, and the fourth circuit is disconnected when the fourth power supply fails; a second group of contacts of the third switching value input module and the normally closed contact of the fourth relay K4 form a fourth monitoring circuit, when the coil of the fourth relay K4 is electrified, the normally closed contact of the fourth relay K4 is closed, and the fourth monitoring circuit is connected; when the coil of the fourth relay K4 loses power, the normally closed contact of the fourth relay K4 is opened, and the fourth monitoring circuit is opened.
Referring to fig. 1 to 5, it can be understood by those skilled in the art that: a fifth circuit is formed by a fifth power supply of the third control station, a fifth fuse FU5 and a coil of a fifth relay K5, the fifth circuit is connected when the fifth power supply is normal, and the fifth circuit is disconnected when the fifth power supply fails; the first group of contacts of the first switching value input module and the normally closed contact of the fifth relay K5 form a fifth monitoring circuit, when the coil of the fifth relay K5 is electrified, the normally closed contact of the fifth relay K5 is closed, and the fifth monitoring circuit is connected; when the coil of the fifth relay K5 loses power, the normally closed contact of the fifth relay K5 is disconnected, and the fifth monitoring loop is disconnected; a sixth loop is formed by a sixth power supply of the third control station, a sixth fuse FU6 and a coil of a sixth relay K6, the sixth loop is connected when the sixth power supply is normal, and the sixth loop is disconnected when the sixth power supply fails; a second group of contacts of the first switching value input module and a normally closed contact of the sixth relay K6 form a sixth monitoring circuit, when a coil of the sixth relay K6 is electrified, the normally closed contact of the sixth relay K6 is closed, and the sixth monitoring circuit is connected; when the coil of the sixth relay K6 loses power, the normally closed contact of the sixth relay K6 is opened, and the sixth monitoring circuit is opened.
The embodiment of the utility model discloses an utilize fuse and relay output DCS control station's power state, rethread DCS configuration, with the power display of all control station cabinets to the operator station. The operating personnel and the DCS maintenance personnel can monitor whether the power supply of the DCS system fails in real time through the images of the operator station, so that the monitoring level and the safety and stability of the DCS control system are improved.
The embodiment of the utility model discloses an embodiment connects DCS control station cabinet power all the way in parallel, inserts the relay device, sets up a circuit breaker before the relay, prevents that the relay short circuit from arousing DCS system power short circuit. And then the switching value input clamping piece of the adjacent DCS control station cabinet is accessed by a hard wire through the output of a normally closed point of the relay.
The embodiment of the utility model provides an utilize DCS system's picture configuration, realize following function: 1. all power is shown to the display, green indicating power is normal and red indicating power failure. 2. When the mouse is moved to the current point of the display, the power source name is displayed. 3. When any one of the power supplies fails, a button below the operator station displays a red alarm.
The utility model discloses power monitoring arrangement, its design structure principle is simple. After the intelligent monitoring system is put into use, the effect is very good, and operators and maintenance personnel of the DCS can monitor the power supplies of all control stations of the DCS in real time only by pictures of operator stations, so that the safety and stability of the DCS are greatly guaranteed.
The above-listed detailed description is merely a specific description of possible embodiments of the present disclosure, and is not intended to limit the scope of the disclosure, which is intended to include within its scope equivalent embodiments or modifications that do not depart from the technical spirit of the present disclosure.
It will be evident to those skilled in the art that the disclosure is not limited to the details of the foregoing illustrative embodiments, and that the present disclosure may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the disclosure being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A power supply monitoring apparatus of a DCS system, comprising:
the first monitoring module is connected between a power supply unit of a first control station and a second switching value input module of a second control station, a second display module of the second control station is connected with the second switching value input module, and the second display module displays whether the power supply unit of the first control station fails or not;
a second monitoring module connected between the power supply unit of the second control station and a third switching value input module of a third control station, a third display module of the third control station connected with the third switching value input module, the third display module displaying whether the power supply unit of the second control station is failed;
a third monitoring module connected between a power supply unit of a third control station and the first switching value input module of the first control station; and a first display module of the first control station is connected with the first switching value input module, and the first display module displays whether a power supply unit of the third control station is in fault or not.
2. The power supply monitoring device according to claim 1, wherein the power supply unit of the first control station includes a first power supply and a second power supply, and the first monitoring module includes: a first relay K1 connected in parallel at two ends of a first power supply, a second relay K2 connected in parallel at two ends of a second power supply, a first fuse FU1 connected with the first relay K1, and a second fuse FU2 connected with the second relay K2;
the positive pole of the first power supply is connected with the positive coil terminal of the first relay K1 after being connected with the first fuse FU1 in series, the negative coil terminal of the first relay K1 is connected with the negative pole of the first power supply, the normally closed positive contact of the first relay K1 is connected with the first positive contact of the second switching value input module, and the normally closed negative contact of the first relay K1 is connected with the first negative contact of the second switching value input module;
the positive electrode of the second power supply is connected with the positive coil terminal of the second relay K2 after being connected with the second fuse FU2 in series, the negative coil terminal of the second relay K2 is connected with the negative electrode of the second power supply, the normally closed positive contact of the second relay K2 is connected with the second positive contact of the second switching value input module, and the normally closed negative contact of the second relay K2 is connected with the second negative contact of the second switching value input module;
and the second display module is connected with the second switching value input module and displays whether the first power supply and the second power supply are in failure or not.
3. The power supply monitoring device according to claim 1, wherein the power supply unit of the second control station includes a third power supply and a fourth power supply, and the second monitoring module includes: a third relay K3 connected in parallel at both ends of the third power supply, a fourth relay K4 connected in parallel at both ends of the fourth power supply, a third fuse FU3 connected with the third relay K3, and a fourth fuse FU4 connected with the fourth relay K4;
the positive electrode of the third power supply is connected with the positive coil terminal of the third relay K3 after being connected with the third fuse FU3 in series, the negative coil terminal of the third relay K3 is connected with the negative electrode of the third power supply, the normally closed positive contact of the third relay K3 is connected with the first positive contact of the third switching value input module, and the normally closed negative contact of the third relay K3 is connected with the first negative contact of the third switching value input module;
the positive electrode of the fourth power supply is connected with the positive coil terminal of the fourth relay K4 after being connected with the fourth fuse FU4 in series, the negative coil terminal of the fourth relay K4 is connected with the negative electrode of the fourth power supply, the normally closed positive contact of the fourth relay K4 is connected with the second positive contact of the third switching value input module, and the normally closed negative contact of the fourth relay K4 is connected with the second negative contact of the third switching value input module;
and the third display module is connected with the third switching value input module and displays whether the third power supply and the fourth power supply are in failure or not.
4. The power supply monitoring device according to claim 1, wherein the power supply unit of the third control station includes a fifth power supply and a sixth power supply, and the second monitoring module includes: a fifth relay K5 connected in parallel to both ends of the fifth power supply, a sixth relay K6 connected in parallel to both ends of the sixth power supply, a fifth fuse FU5 connected to the fifth relay K5, and a sixth fuse FU6 connected to the sixth relay K6;
the positive electrode of the fifth power supply is connected with the positive coil terminal of the fifth relay K5 after being connected with the fifth fuse FU5 in series, the negative coil terminal of the fifth relay K5 is connected with the negative electrode of the fifth power supply, the normally closed positive contact of the fifth relay K5 is connected with the first positive contact of the third switching value input module, and the normally closed negative contact of the fifth relay K5 is connected with the first negative contact of the third switching value input module;
the positive electrode of the sixth power supply is connected with the positive coil terminal of the sixth relay K6 after being connected with the sixth fuse FU6 in series, the negative coil terminal of the sixth relay K6 is connected with the negative electrode of the sixth power supply, the normally closed positive contact of the sixth relay K6 is connected with the second positive contact of the first switching value input module, and the normally closed negative contact of the sixth relay K6 is connected with the second negative contact of the first switching value input module;
the first display module is connected with the first switching value input module, and the first display module displays whether the fifth power supply and the sixth power supply are in fault or not.
5. The power supply monitoring device according to claim 1, wherein the first power supply of the first control station, the first fuse FU1, and the coil of the first relay K1 form a first circuit, the first circuit is connected when the first power supply is normal, and the first circuit is disconnected when the first power supply fails;
a first group of contacts of the second switching value input module and the normally closed contact of the first relay K1 form a first monitoring circuit, when the coil of the first relay K1 is electrified, the normally closed contact of the first relay K1 is closed, and the first monitoring circuit is connected; when the coil of the first relay K1 loses power, the normally closed contact of the first relay K1 is opened, and the first monitoring circuit is opened;
a second power supply of the first control station, a second fuse FU2 and a coil of a second relay K2 form a second loop, the second loop is connected when the second power supply is normal, and the second loop is disconnected when the second power supply fails;
a second group of contacts of the second switching value input module and the normally closed contact of the second relay K2 form a second monitoring circuit, when the coil of the second relay K2 is electrified, the normally closed contact of the second relay K2 is closed, and the second monitoring circuit is connected; when the coil of the second relay K2 loses power, the normally closed contact of the second relay K2 is opened, and the second monitoring circuit is opened.
6. The power supply monitoring device according to claim 1, wherein the third power supply of the second control station, the third fuse FU3, and the coil of the third relay K3 form a third circuit, the third circuit is turned on when the third power supply is normal, and the third circuit is turned off when the third power supply fails;
the first group of contacts of the third switching value input module and the normally closed contact of the third relay K3 form a third monitoring circuit, the normally closed contact of the third relay K3 is closed when the coil of the third relay K3 is electrified, and the third monitoring circuit is connected; when the coil of the third relay K3 loses power, the normally closed contact of the third relay K3 is opened, and the third monitoring circuit is opened;
a fourth circuit is formed by a fourth power supply of the second control station, a fourth fuse FU4 and a coil of a fourth relay K4, the fourth circuit is connected when the fourth power supply is normal, and the fourth circuit is disconnected when the fourth power supply fails;
a second group of contacts of the third switching value input module and the normally closed contact of the fourth relay K4 form a fourth monitoring circuit, the normally closed contact of the fourth relay K4 is closed when the coil of the fourth relay K4 is electrified, and the fourth monitoring circuit is connected; when the coil of the fourth relay K4 loses power, the normally closed contact of the fourth relay K4 is opened, and the fourth monitoring circuit is opened.
7. The power supply monitoring device according to claim 1, wherein a fifth power supply of the third control station, a fifth fuse FU5, and a coil of a fifth relay K5 constitute a fifth circuit, the fifth circuit is turned on when the fifth power supply is normal, and the fifth circuit is turned off when the fifth power supply fails;
the first group of contacts of the first switching value input module and the normally closed contact of the fifth relay K5 form a fifth monitoring circuit, the normally closed contact of the fifth relay K5 is closed when the coil of the fifth relay K5 is electrified, and the fifth monitoring circuit is connected; when the coil of the fifth relay K5 loses power, the normally closed contact of the fifth relay K5 is opened, and the fifth monitoring circuit is opened;
a sixth loop is formed by a sixth power supply of the third control station, a sixth fuse FU6 and a coil of a sixth relay K6, the sixth loop is switched on when the sixth power supply is normal, and the sixth loop is switched off when the sixth power supply fails;
a second group of contacts of the first switching value input module and the normally closed contact of the sixth relay K6 form a sixth monitoring circuit, when the coil of the sixth relay K6 is electrified, the normally closed contact of the sixth relay K6 is closed, and the sixth monitoring circuit is connected; when the coil of the sixth relay K6 loses power, the normally closed contact of the sixth relay K6 is opened, and the sixth monitoring circuit is opened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120314949.4U CN214474604U (en) | 2021-02-04 | 2021-02-04 | Power supply monitoring device of DCS system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120314949.4U CN214474604U (en) | 2021-02-04 | 2021-02-04 | Power supply monitoring device of DCS system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214474604U true CN214474604U (en) | 2021-10-22 |
Family
ID=78117698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120314949.4U Active CN214474604U (en) | 2021-02-04 | 2021-02-04 | Power supply monitoring device of DCS system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214474604U (en) |
-
2021
- 2021-02-04 CN CN202120314949.4U patent/CN214474604U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105871059A (en) | 10kV line operating state online monitoring system | |
| CN106054020A (en) | Distributed cable fault detection system | |
| CN202995324U (en) | System self-repairing controller | |
| CN214474604U (en) | Power supply monitoring device of DCS system | |
| CN106646116A (en) | Trouble shooting and locating method for power distribution network | |
| CN111446130A (en) | Monitoring circuit of circuit breaker protection tripping circuit | |
| CN111142059A (en) | Intelligent detection device and method for PT unit of outdoor ring main unit | |
| CN206620159U (en) | Intelligent residential district device status monitoring system | |
| CN110647128B (en) | Integrated automatic monitoring management system for transformer substation | |
| CN112821563A (en) | System and method for monitoring whether power supply is abnormal | |
| CN112990503A (en) | Power equipment maintenance management system | |
| CN219812007U (en) | Automatic monitoring device for power distribution network | |
| CN111223442A (en) | LED display screen power supply control circuit and control method thereof | |
| CN111474439A (en) | Visual device of relay protection secondary circuit | |
| CN205883370U (en) | Telegraphone monitoring alarm device | |
| CN212210601U (en) | Intelligent alarm monitoring system for switching station faults | |
| CN221240171U (en) | Monitoring system for monitoring delivery state of outlet pressing plate | |
| CN215219117U (en) | Abnormal alarm output monitoring device applied to medium-voltage harmonic elimination device | |
| CN217607551U (en) | Distribution automation station terminal equipment's in looped netowrk cabinet guarantee circuit | |
| CN216485433U (en) | Dynamic monitoring system for communication power supply | |
| CN219497160U (en) | Electrical fire monitoring and management system for cabinet of communication machine room | |
| CN203759174U (en) | High-voltage switch cabinet fault comprehensive alarm device | |
| CN208723553U (en) | A kind of modular active electric filter | |
| CN219695373U (en) | 6kV breaker state monitoring device | |
| CN212162011U (en) | BMS system with PACK state prompt function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |