CN218765614U - Enclosed bus and electric flexible connection temperature on-line monitoring device - Google Patents
Enclosed bus and electric flexible connection temperature on-line monitoring device Download PDFInfo
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- CN218765614U CN218765614U CN202222533613.4U CN202222533613U CN218765614U CN 218765614 U CN218765614 U CN 218765614U CN 202222533613 U CN202222533613 U CN 202222533613U CN 218765614 U CN218765614 U CN 218765614U
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Abstract
The utility model discloses a closed bus and electric flexible connection temperature on-line monitoring device, which is characterized in that a temperature measuring device is arranged at the flexible connection part of the closed bus, the temperature measuring device is connected with a local control box through a signal cable, a temperature display device is arranged on the local control box, and the local control box is connected with a DCS (distributed control system), wherein the temperature measuring device is used for monitoring the temperature at the flexible connection part of the closed bus and converting the temperature into an electric signal; the signal cable is used for transmitting the electric signal to the local control box; the temperature display device is used for displaying the temperature monitored by the temperature measuring device; the local control box is used for supplying power to the temperature measuring device and transmitting the monitored temperature to the DCS. Through the device, the temperature of the closed bus and the electric soft connection part can be monitored at any time, so that the hidden danger of equipment is avoided.
Description
Technical Field
The utility model relates to an online monitoring technology field of temperature especially relates to a seal generating line and electric flexible coupling temperature on-line monitoring device.
Background
In a large thermal power plant, a closed bus is an important device for connecting a generator and a main transformer. The enclosed bus is mainly composed of a bus conductor, a supporting insulator and a protective shielding shell, and is connected with the generator and the main transformer through flexible connection. At present 1000MW level generator under rated operating mode, generator export and enclosed bus can pass through the electric current more than twenty thousand amperes, and so big electric current flows through the flexible coupling connecting bolt, leads to the flexible coupling very easily to generate heat, arouses the emergence of trouble. If the temperature at the flexible connection position of the closed bus can be monitored in real time on line, the hidden danger of equipment can be found in advance, and the occurrence of accidents is avoided. However, the flexible connection of the enclosed bus has the following problems in monitoring the temperature on line: firstly, the temperature is difficult to monitor when the installation position of the part is higher; secondly, the voltage level of the part is high, and manual monitoring is dangerous; thirdly, the temperature can not be measured at any time by common monitoring means, which is not beneficial to finding out the defects of the equipment in time. Fourthly, because the current of the part is very large, strong electromagnetic fields are generated around the part, and a common temperature measuring instrument is often interfered and cannot be normally used.
Therefore, how to provide an online monitoring device capable of monitoring the flexible connection temperature of the enclosed bus at any time so as to avoid the hidden equipment danger is a technical problem to be solved by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model provides a seal bus and electric flexible coupling temperature on-line monitoring device for thereby solve and to monitor the technical problem that there is the equipment hidden danger in the temperature of seal bus flexible coupling department at any time among the prior art.
In order to realize the aim, the utility model provides an on-line temperature monitoring device for the connection between a closed bus and an electric soft switch, wherein a temperature measuring device is arranged at the soft connection position of the closed bus, the temperature measuring device is connected with a local control box through a signal cable, a temperature display device is arranged on the local control box, the local control box is connected with a DCS system, wherein,
the temperature measuring device is used for monitoring the temperature of the flexible connection part of the closed bus and converting the temperature into an electric signal;
the signal cable is used for transmitting the electric signal to the local control box;
the temperature display device is used for displaying the temperature monitored by the temperature measuring device;
the local control box is used for supplying power to the temperature measuring device and transmitting the monitored temperature to the DCS.
Preferably, still include rain-proof cover, rain-proof cover is installed the top of temperature measurement device.
Preferably, the temperature measuring device is an anti-electromagnetic interference infrared temperature measuring probe.
Preferably, the signal cable is a shielded cable.
Preferably, the temperature display device is a temperature display instrument.
Preferably, the temperature measuring device is connected to the local control box through the shielded cable by an aviation plug.
Preferably, the temperature measuring device further comprises an epoxy resin plate, and the epoxy resin plate is installed between the temperature measuring device and the closed bus metal shell.
Compared with the prior art, the utility model discloses possess following beneficial effect:
the utility model discloses a closed bus and electric flexible coupling temperature on-line monitoring device, install the temperature measuring device in the soft junction of closed bus, the temperature measuring device passes through the signal cable and connects the local control box, install the temperature display device on the local control box, the local control box connects DCS system, wherein, the temperature measuring device, is used for monitoring the temperature of the soft junction of closed bus, and will the temperature converts into the electrical signal; the signal cable is used for transmitting the electric signal to the local control box; the temperature display device is used for displaying the temperature monitored by the temperature measuring device; the local control box is used for supplying power to the temperature measuring device and transmitting the monitored temperature to the DCS. Through the device, the temperature of the closed bus and the electric soft connection part can be monitored at any time, so that the hidden danger of equipment is avoided.
Drawings
Fig. 1 shows a schematic structural diagram of a closed bus and an electrical flexible connection temperature online monitoring device according to an embodiment of the present invention;
in the figure, 1, a rain cover; 2. soft connection of a closed bus; 3. an infrared temperature measuring probe; 4. a shielded cable; 5. a local control box; 6. a temperature display instrument; 7. a DCS system.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present application.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in this application will be understood to be a specific case for those of ordinary skill in the art.
The utility model provides an on-line temperature monitoring device for the connection between a closed bus and an electric soft switch, wherein a temperature measuring device is arranged at the soft connection position of the closed bus, the temperature measuring device is connected with a local control box through a signal cable, a temperature display device is arranged on the local control box, the local control box is connected with a DCS system, wherein,
the temperature measuring device is used for monitoring the temperature of the soft connection part of the closed bus and converting the temperature into an electric signal;
the signal cable is used for transmitting the electric signal to the local control box;
the temperature display device is used for displaying the temperature monitored by the temperature measuring device;
the local control box is used for supplying power to the temperature measuring device and transmitting the monitored temperature to the DCS.
In order to prevent the temperature measuring device from being wetted by rainwater, in some embodiments of the present application, a rain shield is further included, and the rain shield is mounted above the temperature measuring device.
In order to prevent electromagnetic interference and ensure the accuracy of temperature measurement, in some embodiments of the present application, the temperature measurement device is an electromagnetic interference resistant infrared temperature measurement probe.
In order to ensure that the temperature measuring device transmits the electrical signal for measuring the temperature conversion to the local control box and that the temperature control box supplies power to the temperature measuring device, in some embodiments of the present application, the signal cable is a shielded electrical cable.
In order to ensure the accuracy of the temperature display, in some embodiments of the present application, the temperature display device is a temperature display instrument.
To further enhance protection against electromagnetic interference, in some embodiments of the present application, the temperature measurement device is connected to the local control box via the shielded cable via an air plug.
In order to further improve the anti-electromagnetic interference capability, simultaneously isolate the enclosed bus casing heat, improve measurement accuracy, in some embodiments of the present application, still include the epoxy board, the epoxy board is installed between temperature measuring device and enclosed bus metal casing.
The working mode of the enclosed bus and the electrical flexible connection temperature on-line monitoring device according to the embodiment of the present application will be described with reference to fig. 1, as shown in fig. 1, an electromagnetic interference resistant infrared temperature measuring probe 3 is installed at the enclosed bus flexible connection 2, and the infrared temperature measuring probe 3 converts the temperature signal into 4-20mA current and transmits the current to the local control box 5. The infrared temperature measuring probe 3 is connected with the local control box 5 through the shielded cable 4 by using an aviation plug, the local control box 5 can supply power to the infrared temperature measuring probe 3 and receive the semaphore transmitted by the infrared temperature measuring probe 3, and the local control box 5 is provided with the temperature display instrument 6 which can display the measured temperature on site. Meanwhile, the local control box 5 uploads the signal quantity to the DCS system 7, so that operators can conveniently check real-time temperature and historical temperature curves at any time. Rain cover 1 is arranged above infrared temperature probe 3 to prevent temperature measuring device from being wetted by rainwater. The epoxy resin plate is arranged between the infrared temperature measuring probe 3 and the closed bus metal shell, so that the anti-electromagnetic interference capability of the temperature measuring device is further enhanced, and meanwhile, the heat of the closed bus shell is isolated through the epoxy resin plate, so that the measuring precision is improved.
By applying the technical scheme, the temperature online monitoring device is connected with the closed bus and the electric flexible connector, the temperature measuring device is arranged at the flexible connector of the closed bus and is connected with the local control box through a signal cable, the temperature display device is arranged on the local control box, and the local control box is connected with the DCS system, wherein the temperature measuring device is used for monitoring the temperature at the flexible connector of the closed bus and converting the temperature into an electric signal; the signal cable is used for transmitting the electric signal to the local control box; the temperature display device is used for displaying the temperature monitored by the temperature measuring device; the local control box is used for supplying power to the temperature measuring device and transmitting the monitored temperature to the DCS. Through the device, the temperature of the closed bus and the electrical flexible connection part can be monitored at any time, so that the hidden danger of equipment is avoided.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (7)
1. The on-line temperature monitoring device for the connection between the enclosed bus and the electric soft connector is characterized in that a temperature measuring device is arranged at the soft connection position of the enclosed bus, the temperature measuring device is connected with an on-site control box through a signal cable, a temperature display device is arranged on the on-site control box, the on-site control box is connected with a DCS (distributed control system), wherein,
the temperature measuring device is used for monitoring the temperature of the soft connection part of the closed bus and converting the temperature into an electric signal;
the signal cable is used for transmitting the electric signal to the local control box;
the temperature display device is used for displaying the temperature monitored by the temperature measuring device;
the local control box is used for supplying power to the temperature measuring device and transmitting the monitored temperature to the DCS.
2. The monitoring device of claim 1, further comprising a rain shield mounted above the temperature measuring device.
3. The monitoring device of claim 1, wherein the temperature measuring device is an anti-electromagnetic interference infrared temperature probe.
4. The monitoring device of claim 1, wherein the signal cable is a shielded electrical cable.
5. The monitoring device of claim 1, wherein the temperature display device is a temperature display meter.
6. A monitoring device in accordance with claim 4, wherein the temperature measuring device is connected to the local control box by the shielded cable via an air plug.
7. The monitoring device of any one of claims 1-6, further comprising an epoxy board mounted between the temperature measuring device and a closed bus metal housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222533613.4U CN218765614U (en) | 2022-09-23 | 2022-09-23 | Enclosed bus and electric flexible connection temperature on-line monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222533613.4U CN218765614U (en) | 2022-09-23 | 2022-09-23 | Enclosed bus and electric flexible connection temperature on-line monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218765614U true CN218765614U (en) | 2023-03-28 |
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ID=85697346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222533613.4U Active CN218765614U (en) | 2022-09-23 | 2022-09-23 | Enclosed bus and electric flexible connection temperature on-line monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218765614U (en) |
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2022
- 2022-09-23 CN CN202222533613.4U patent/CN218765614U/en active Active
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