CN217637472U - Boiler oxygen content multiple spot detection device - Google Patents
Boiler oxygen content multiple spot detection device Download PDFInfo
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- CN217637472U CN217637472U CN202221876027.3U CN202221876027U CN217637472U CN 217637472 U CN217637472 U CN 217637472U CN 202221876027 U CN202221876027 U CN 202221876027U CN 217637472 U CN217637472 U CN 217637472U
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Abstract
The utility model relates to the technical field of control instruments, and discloses a boiler oxygen content multipoint detection device, which comprises a sampling probe module, wherein the sampling probe module comprises at least 2 detection probes for detecting the temperature and the oxygen content in a boiler, and each detection probe is provided with a heater for heating the interior of the boiler; the PLC control box is used for carrying out data processing and program control, is in electrical communication connection with all the detection probes and the heaters, and is provided with a channel in electrical communication connection with the PLC control box, wherein each detection probe and the corresponding heater are isolated from each other; the touch screen is used for displaying data and providing operation for a user, and the touch screen is in electric communication connection with the PLC control box; the utility model has the characteristics of be convenient for the user to judge boiler fault point, the practicality is good, data display is audio-visual.
Description
Technical Field
The utility model relates to a control instrument technical field, concretely relates to boiler oxygen content multiple spot detection device.
Background
At present, oxygen content detection devices are needed in various combustion equipment, such as incinerator, coal-fired boiler and other equipment, and in the combustion monitoring and control process of various industries, and the oxygen content detection devices can obtain considerable energy-saving effect for various industry fields.
Most of the general oxygen content analyzers in the prior art are single-probe single-point detection instruments. The supporting single-point detecting instrument that singly pops one's head in is detecting the single channel, because the restriction of single-point, make this type of detecting instrument when detecting equipment such as boiler break down, the unable accurate fault point of judging the boiler of user, and because the setting of single channel, when making this type of detecting instrument break down, just can't carry out the oxygen content detection work to the boiler, there is the relatively poor problem of practicality, simultaneously, what this type of single-point detecting instrument of singly popping one's head in adopts is LCD and 4 key operating button's mode more, lack sufficient human-computer interaction interface, the parameter information when the user can't audio-visually see the boiler operation, there is not audio-visual problem enough of data display.
In view of this, the utility model provides a boiler oxygen content multiple spot detection device.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the technical scheme of the utility model is that: a multi-point detection device for the oxygen content of a boiler comprises
The sampling probe module comprises at least 2 detection probes for detecting the temperature and the oxygen content in the boiler, and each detection probe is provided with a heater for heating the interior of the boiler;
the PLC control box is used for data processing and program control, the PLC control box is in electrical communication connection with all the detection probes and the heaters, and each detection probe and a channel of the corresponding heater in electrical communication connection with the PLC control box are arranged in an isolated mode;
and the touch screen is used for displaying data and providing operation for a user, and is in electric communication connection with the PLC control box.
Preferably, the PLC control box comprises
The data transmission module is in electric communication connection with all the detection probes and the heater and is used for receiving the temperature parameters, the oxygen content parameters and the transmission control signals in the boiler detected by the detection probes to control the work of the detection probes and the heater;
the data processing module is in electric communication connection with the data transmission module and is used for converting the temperature parameters and the oxygen content parameters in the boiler into information for the identification of the control center module and converting the control commands sent by the control center module into information for the identification of all the detection probes and the heaters;
the control center module is in electric communication connection with the data processing module and is used for calculating and processing temperature parameters and oxygen content parameter information in the boiler and sending a control instruction according to a processing result;
and the human-computer interface module is in electric communication connection with the control center module and the touch screen and is used for enabling the touch screen and the control center module to carry out information interaction.
Preferably, the PLC control box further includes a data storage module, the data storage module is electrically connected to the data processing module and the control center module, and the data storage module is configured to store the temperature parameter and the oxygen content parameter in the boiler obtained after conversion by the data processing module and provide the control center module to retrieve the stored parameter information.
Preferably, the PLC control box still includes data output module, and data output module links together with control center module electricity communication, detection device still includes DCS system collection module, and control center module passes through data output module and sends temperature parameter and oxygen content parameter information in the boiler to DCS system collection module, and DCS system collection module links together with outside power plant centralized control room electricity communication, and DCS system collection module is used for in the boiler received temperature parameter and oxygen content parameter information send outside power plant centralized control indoor.
Preferably, the PLC control box further comprises an alarm module, and the alarm module is in electric communication connection with the control center module and used for sending out an alarm signal.
Compare prior art, the utility model has the advantages of:
the utility model discloses a set up the sampling probe module, the PLC control box, devices such as touch screen, the sampling probe module that is equipped with includes 2 at least test probe, when using, through laying it in the boiler different positions, thereby can realize the detection to the temperature parameter and the oxygen content parameter of multiposition in the boiler, compare in the single-point detection among the prior art, can be more convenient for be used for the accurate fault point who judges the boiler, set up to the mutual isolation setting through every test probe and corresponding heater and PLC control box electric communication connection's passageway, so that the passageway between every test probe does not influence each other, make even if there is a test probe to break down, other test probe still can detect the boiler, the touch screen that is equipped with can provide sufficient human-computer interaction interface, make the user can audio-visually look over the parameter information when the boiler moves, compare in prior art, it judges the boiler fault point to have the user of being convenient for, the practicality is good, the audio-visual advantage of data display.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of the module connection of the present invention;
fig. 2 is a schematic diagram of the module of the PLC control box of the present invention.
Reference numerals are as follows: 1. a sampling probe module; 11. detecting a probe; 12. a heater; 2. a PLC control box; 21. a data transmission module; 22. a data processing module; 23. a control center module; 24. a human-machine interface module; 25. a data storage module; 26. a data output module; 27. an alarm module; 3. a touch screen; 4. a DCS system acquisition module; 5. and an external power plant centralized control room.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Example (b): referring to fig. 1 and fig. 2, the present embodiment provides a multipoint detection device for oxygen content in a boiler, which includes a sampling probe module 1, where the sampling probe module 1 includes at least 2 detection probes 11 for detecting temperature and oxygen content in the boiler, and each detection probe 11 is provided with a heater 12 for heating the interior of the boiler; in this embodiment, the number of the detection probes 11 is 4, when the 4 detection probes 11 are installed on the boiler, the detection probes 11 need to be installed at different positions, specific installation positions can be determined according to actual boiler structures, under most conditions, the detection probes 11 are not installed in dead corners where smoke does not flow or in positions where smoke flows quickly, the 4 detection probes 11 can detect the temperature and oxygen content of different positions of the boiler, so that a user can judge fault points when the boiler fails according to parameters measured by the detection probes 11 at the positions, and it needs to be noted that, in the actual use process, the number of the detection probes 11 can be selected according to the actual size of the boiler and the positions where the boiler is prone to fail; when the detection probe 11 is installed, the heater 12 is installed at the same position along with the corresponding detection probe 11, so as to ensure that the heater 12 at the corresponding point can play an effective heating effect when the detection probe 11 detects that the temperature in the boiler is low; in this embodiment, the detection probe 11 may be a zirconia sampling probe with a signal isolation and filtering function, which is common in the prior art, so as to avoid environmental interference in the detection process and ensure accurate detection, and the heater 12 may be an electric heater 12, which is common in the prior art.
The detection device also comprises a PLC control box 2, the PLC control box 2 is used for data processing and program control, the PLC control box 2 is in electric communication connection with all the detection probes 11 and the heaters 12, and each detection probe 11 and a channel corresponding to the electric communication connection between the heater 12 and the PLC control box 2 are arranged in an isolated mode, so that the channels between the detection probes 11 are not affected by each other, even if one detection probe 11 breaks down, other detection probes 11 can still detect the boiler, and the practicability is guaranteed.
In this embodiment, the PLC control box 2 includes a data transmission module 21, a data processing module 22, a data storage module 25, a control center module 23, a man-machine interface module 24, a data transmission module 21 and an alarm module 27, wherein the data transmission module 21 is electrically connected to all the detection probes 11 and the heater 12, and is configured to receive temperature parameters and oxygen content parameters in the boiler detected by the detection probes 11 and transmit a control signal to control the operation of the detection probes 11 and the heater 12; in this embodiment, the data transmission module 21 may be a 4G communication module commonly used in the prior art;
the data processing module 22 is electrically communicated with the data transmission module 21 and is used for converting the temperature parameter and the oxygen content parameter in the boiler transmitted to the data transmission module 21 into information for being identified by the control center module 23 and converting a control command sent by the control center module 23 into information for being identified by all the detection probes 11 and the heater 12; in this embodiment, since the temperature parameter and the oxygen content parameter in the furnace detected by the detecting probe 11 are both mv signals and the conventional PLC controller cannot identify mv signals, the data processing module 22 adopts a signal converter commonly used in the prior art, which can convert mv signals and ma current signals into each other, so as to convert mv signals into ma current signals that can be identified by the conventional PLC controller;
the data storage module 25 is electrically connected with the data processing module 22 and the control center module 23, and the data storage module 25 is used for storing the temperature parameter and the oxygen content parameter in the boiler obtained by the conversion of the data processing module 22 and the parameter information for the control center module 23 to fetch and store; in this embodiment, the data storage module 25 may be an SSD solid state disk, which is common in the prior art;
the control center module 23 is in electric communication connection with the data processing module 22, and is used for calculating and processing temperature parameters and oxygen content parameter information in the boiler and sending out a control instruction according to a processing result; in this embodiment, the control center module 23 may be a PLC controller commonly found in the prior art;
the human-computer interface module 24 is in electrical communication connection with the control center module 23 and is used for performing information interaction with the control center module 23, and the human-computer interface module 24 is also in electrical communication connection with the touch screen 3 and is used for enabling the touch screen 3 and the control center module 23 to perform information interaction;
and the data output module 26, the data output module 26 is electrically communicated with the control center module 23 for information interaction with the control center module 23.
The alarm module 27 is in electric communication connection with the control center module 23, and the alarm module 27 can send an alarm signal to the outside according to an instruction sent by the control center module 23 to prompt a user of an abnormal condition.
The detection device further comprises a touch screen 3, the touch screen 3 is used for displaying data and providing operation for a user, the touch screen 3 is in electric communication connection with a human-computer interface module 24 to be in electric communication connection with a PLC control box 2, the control center module 23 can send furnace temperature parameters and oxygen content parameters obtained by detection of the detection probe 11 to the touch screen 3 through the human-computer interface module 24 to be displayed, the user can obtain the parameters, the user can send working commands to the control center module 23 through the human-computer interface module 24 by using the touch screen 3, and the control center module 23 is made to send the corresponding working commands.
The detection device further comprises a DCS system acquisition module 4, wherein the DCS system acquisition module 4 is used for data acquisition and transmission, the DCS system acquisition module 4 is in electrical communication connection with a data transmission module 21 to be in electrical communication connection with the PLC control box 2, a control center module 23 can send temperature parameters and oxygen content parameters in the boiler, which are detected by a detection probe 11, to the DCS system acquisition module 4 through a data output module 26, the DCS system acquisition module 4 is also in electrical communication connection with an external power plant centralized control room 5, the DCS system acquisition module 4 can send the received temperature parameters and the received oxygen content parameters in the boiler to the external power plant centralized control room 5, and the external power plant centralized control room 5 can perform centralized monitoring.
In this embodiment, a power module for providing a working current is further provided in the PLC control box 2, and the power module can adopt a common redundant power module in the prior art, so as to effectively avoid a measurement fault caused by power instability.
The working principle of the utility model, when using, install the required position on the boiler with detecting probe 11 and heater 12 earlier, later the user gives the order to control center module 23 through using touch screen 3, make control center module 23 control detecting probe 11 to begin work, the work order that control center module 23 sent is through data processing module 22's conversion and data transmission module 21's transmission to detecting probe 11 on, detecting probe 11 begins detection work after receiving this work order, detect temperature parameter and oxygen content parameter in the boiler, and send the temperature parameter and oxygen content parameter in the boiler that will detect the gained to control center module 23 through data transmission module 21's transmission and data processing module 22's conversion on, control center module 23 calculates and processes gained temperature parameter and oxygen content parameter, and send this temperature parameter and oxygen content parameter to 3 through man-machine interface module 24 and show on touch screen, for the user to obtain, send to on system acquisition module 4 through data output module 26, DCS system acquisition module 4 sends received temperature parameter and oxygen content parameter information to outside power plant centralized control room 5, supply power plant centralized monitoring room 5; meanwhile, when the temperature parameter and the oxygen content parameter in the boiler detected by the detection probe 11 are transmitted to the data processing module 22 through the data transmission module 21, the data processing module 22 stores the converted parameters into the data storage module 25 for storage after the conversion is completed, a user can call the data in the data storage module 25 through the control center module 23 by using the touch screen 3 to look up historical data, meanwhile, the user can set a common deviation correction function into the control center module 23 to enable the control center module 23 to compare the data in the data storage module 25 with a theoretical value and perform adaptive correction according to a deviation value, and the specific correction can be adjusted according to the user requirements; when the control center module 23 processes and calculates that the temperature parameter and the oxygen content parameter in the boiler detected by the detection probe 11 are abnormal, the control center module 23 sends quality to the alarm module 27, and the alarm module 27 sends alarm information to the outside to prompt a user that an abnormal condition occurs and the user needs to check in time.
It should be noted that the functions of the control center module 23 implemented according to the computer program in the present embodiment are all related to the prior art, and there is no improvement on the computer program, and a person skilled in the art can clearly know how to implement them.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
The above is only the typical example of the utility model, in addition, the utility model discloses can also have other multiple detailed implementation manners, all adopt the technical scheme that equivalent replacement or equivalent transform formed, all fall within the scope of the utility model discloses require protection.
Claims (5)
1. The utility model provides a boiler oxygen content multiple spot detection device which characterized in that: comprises that
The boiler heating device comprises a sampling probe module (1), wherein the sampling probe module (1) comprises at least 2 detection probes (11) for detecting the temperature and the oxygen content in a boiler, and each detection probe (11) is provided with a heater (12) for heating the interior of the boiler;
the PLC control box (2) is used for data processing and program control, the PLC control box (2) is in electrical communication connection with all the detection probes (11) and the heaters (12), and channels of the electrical communication connection between each detection probe (11) and the corresponding heater (12) and the PLC control box (2) are arranged in an isolated mode;
and the touch screen (3) is used for displaying data and providing operation for a user, and the touch screen (3) is in electric communication connection with the PLC control box (2).
2. The boiler oxygen content multipoint detection device according to claim 1, characterized in that: the PLC control box (2) comprises
The data transmission module (21) is electrically communicated with all the detection probes (11) and the heater (12) and is used for receiving the temperature parameters and the oxygen content parameters in the boiler detected by the detection probes (11) and transmitting control signals to control the operation of the detection probes (11) and the heater (12);
the data processing module (22) is electrically communicated with the data transmission module (21) and is used for converting the temperature parameter and the oxygen content parameter in the boiler into information for the identification of the control center module (23) and converting a control command sent by the control center module (23) into information for the identification of all the detection probes (11) and the heater (12);
the control center module (23) is electrically connected with the data processing module (22) and is used for calculating and processing the temperature parameter and oxygen content parameter information in the boiler and sending out a control instruction according to the processing result;
and the man-machine interface module (24) is in electric communication connection with the control center module (23) and the touch screen (3) and is used for enabling the touch screen (3) and the control center module (23) to carry out information interaction.
3. The boiler oxygen content multipoint detection device according to claim 2, characterized in that: the PLC control box (2) further comprises a data storage module (25), the data storage module (25) is in electric communication connection with the data processing module (22) and the control center module (23), and the data storage module (25) is used for storing temperature parameters and oxygen content parameters in the boiler obtained after conversion by the data processing module (22) and providing parameter information for the control center module (23) to fetch.
4. The boiler oxygen content multipoint detection device according to claim 2, characterized in that: PLC control box (2) still includes data output module (26), and data output module (26) links together with control center module (23) electricity communication, detection device still includes DCS system acquisition module (4), and control center module (23) send temperature parameter and oxygen content parameter information in the boiler to DCS system acquisition module (4) through data output module (26), and DCS system acquisition module (4) links together with outside power plant centralized control room (5) electricity communication, and DCS system acquisition module (4) are used for sending temperature parameter and oxygen content parameter information in the boiler received to outside power plant centralized control room (5) in.
5. The boiler oxygen content multipoint detection device according to claim 2, characterized in that: the PLC control box (2) further comprises an alarm module (27), and the alarm module (27) is in electric communication connection with the control center module (23) and used for sending out an alarm signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221876027.3U CN217637472U (en) | 2022-07-18 | 2022-07-18 | Boiler oxygen content multiple spot detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221876027.3U CN217637472U (en) | 2022-07-18 | 2022-07-18 | Boiler oxygen content multiple spot detection device |
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| Publication Number | Publication Date |
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| CN217637472U true CN217637472U (en) | 2022-10-21 |
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| CN202221876027.3U Active CN217637472U (en) | 2022-07-18 | 2022-07-18 | Boiler oxygen content multiple spot detection device |
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| CN (1) | CN217637472U (en) |
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- 2022-07-18 CN CN202221876027.3U patent/CN217637472U/en active Active
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