阅读说明：本技术 一种监测系统 (Monitoring system ) 是由 张旻 刘晓杰 仇浩 许娴 贾子彦 薛波 罗印升 吴全玉 王田虎 崔渊 束强 宋 于 2020-06-29 设计创作，主要内容包括：本发明提供了一种监测系统,包括信息采集单元、信息处理单元、信息集中单元和远程控制单元,其中,信息采集单元,所述信息采集单元采集脉冲袋压力状态信息；信息处理单元,所述信息处理单元将所述信息采集单元采集的脉冲袋压力状态信息进行处理；信息集中单元,所述信息集中单元将所述信息处理单元处理过的信息进行集中；远程控制单元,所述远程控制单元将所述信息集中单元所集中的信息进行控制,解决了传统技术中没有用于对脉冲袋收尘器的压力进行实时监测的系统,有效地实时监测控制脉冲袋收尘器滤袋内外侧的压差,保证脉冲袋收尘器的清灰系统正常运行,提供生产过程中的全过程压力监测管理。(The invention provides a monitoring system which comprises an information acquisition unit, an information processing unit, an information concentration unit and a remote control unit, wherein the information acquisition unit acquires pressure state information of a pulse bag; the information processing unit is used for processing the pulse bag pressure state information acquired by the information acquisition unit; an information centralizing unit that centralizes the information processed by the information processing unit; the remote control unit controls the information concentrated by the information concentration unit, solves the problem that a system for monitoring the pressure of the pulse bag dust collector in real time does not exist in the prior art, effectively monitors and controls the pressure difference of the inner side and the outer side of a filter bag of the pulse bag dust collector in real time, ensures the normal operation of an ash cleaning system of the pulse bag dust collector, and provides the whole-process pressure monitoring management in the production process.)

1. A monitoring system, comprising:

the information acquisition unit acquires pressure state information of the pulse bag;

the information processing unit is used for processing the pulse bag pressure state information acquired by the information acquisition unit;

an information centralizing unit that centralizes the information processed by the information processing unit;

a remote control unit which analyzes and manages the information concentrated by the information concentration unit;

the information acquisition unit of each point establishes a data link with the information concentration unit through the information processing unit, the information concentration unit can identify the address and the data of the information processing unit, and the information concentration unit transmits the identified address and the data of the information processing unit to the remote control unit for analysis.

2. A monitoring system according to claim 1, wherein the information collecting unit comprises a pressure sensor.

3. A monitoring system according to claim 2, wherein the information processing unit comprises:

the signal processing circuit is used for converting the analog signal acquired by the pressure sensor into a reference signal range value acquired by the analog-to-digital converter;

the A/D interface circuit converts the output signal of the signal processing circuit into a digital signal through an A/D analog-to-digital converter and inputs the digital signal to the singlechip;

the singlechip is used for receiving the digital signal input by the A/D interface circuit and outputting a control signal input by the remote control unit;

the data transmission module is used for completing data transmission between the information processing unit and the information centralized unit;

and the address coding circuit is used for coding in advance, so that the information centralized unit and the remote control unit can quickly identify the information processing unit.

4. A detection system according to claim 3, further comprising:

an independent key circuit for setting function selection;

and the output signal circuit outputs a control signal to control the pulse bag to carry out manual dust removal.

5. A monitoring system according to claim 3, wherein said data transmission module is a WIFI module.

6. A monitoring system according to claim 2, wherein the pressure sensor is replaced by a temperature sensor or a humidity sensor.

7. A test system as claimed in claim 1, wherein the information processing unit, the information concentration unit and the remote control unit all use DATA communication protocol.

8. A monitoring system according to claim 3, characterised in that the single-chip microcomputer is STM 32.

Technical Field

The invention relates to the technical field of real-time monitoring, in particular to a remote monitoring system for the pressure state of a pulse bag.

Background

The environmental protection department in China has a strict emission policy on atmospheric pollutants, so that the gas box pulse bag dust collector is widely applied to dust collecting systems of crushing, packaging, warehouse top, clinker cooler, various mills and the like in cement plants, coal power plants and the like so as to reduce the pollution of the atmosphere caused by the gas emitted in the production process. Compared with other bag filters, the air box pulse bag dust collector has the advantages of simple structure, high dust cleaning force, good effect, high filtering efficiency of over 99 percent, capability of treating large air quantity and high-concentration dust-containing gas, small system occupation area, low cost, easiness in maintenance, reliability in operation and the like, so that the air box pulse bag dust collector has wide application in the field of industrial production.

But the deashing system quality of air box pulse bag dust collector directly influences the life-span length of filter bag, if the deashing effect is not good, the dust layer will be more and more thick, the atmospheric pressure resistance that leads to removing dust can be bigger and bigger, can influence the normal operating of pulse bag dust collector when serious, the system that does not have the pressure that is used for carrying out real-time supervision to pulse bag dust collector among the conventional art yet, consequently the pressure differential of real-time supervision control pulse bag dust collector filter bag inside and outside effectively, guarantee that the deashing system normal operating of pulse bag dust collector becomes the technical problem who waits urgently to solve.

Disclosure of Invention

The invention discloses a monitoring system, which solves the problem that no system for monitoring the pressure of a pulse bag dust collector in real time exists in the prior art, effectively monitors and controls the pressure difference of the inner side and the outer side of a filter bag of the pulse bag dust collector in real time, ensures the normal operation of an ash removal system of the pulse bag dust collector, provides the whole-process pressure monitoring management in the production process, can construct multipoint remote monitoring and has lower cost.

In order to achieve the purpose, the technical scheme of the invention is realized as follows:

the invention discloses a monitoring system which comprises an information acquisition unit, an information processing unit, an information concentration unit and a remote control unit, wherein the information acquisition unit acquires pressure state information of a pulse bag; the information processing unit processes the pulse bag pressure state information acquired by the information acquisition unit; the information centralizing unit centralizes the information processed by the information processing unit; the remote control unit analyzes and manages the information concentrated by the information concentration unit;

the information acquisition unit of each point establishes a data link with the information concentration unit through the information processing unit, the information concentration unit can identify the address and the data of the information processing unit, and the information concentration unit transmits the identified address and the data of the information processing unit to the remote control unit for analysis.

Further, the information acquisition unit comprises a pressure sensor.

Furthermore, the information processing unit comprises a signal processing circuit, an A/D interface circuit, a single chip microcomputer, a data transmission module and an address coding circuit, wherein the signal processing circuit converts an analog signal acquired by the pressure sensor into a reference signal range value acquired by an analog-to-digital converter; the A/D interface circuit converts the output signal of the signal processing circuit into a digital signal through an A/D analog-to-digital converter and inputs the digital signal to the singlechip; the singlechip is used for receiving the digital signal input by the A/D interface circuit and controlling and outputting the control signal transmitted by the remote control unit; the data transmission module is used for completing data transmission between the information processing unit and the information centralized unit; the address coding circuit is used for coding in advance through the address coding circuit, so that the information concentration unit can rapidly identify the information processing unit;

furthermore, the information processing unit also comprises an independent key circuit and an output signal circuit, wherein the independent key circuit is used for setting function selection; the output signal circuit outputs a control signal to control the pulse bag to manually remove dust.

Further, the data transmission module is a WIFI module.

Further, the pressure sensor may be replaced with a humidity sensor.

Further, DATA communication among the information processing unit, the information centralizing unit and the remote control unit uses a DATA communication protocol.

Further, the single chip microcomputer is STM 32.

The beneficial technical effects are as follows:

1. the invention discloses a monitoring system which comprises an information acquisition unit, an information processing unit, an information concentration unit and a remote control unit, wherein the information acquisition unit acquires pressure state information of a pulse bag; the information processing unit processes the pulse bag pressure state information acquired by the information acquisition unit; the information centralizing unit centralizes the information processed by the information processing unit; the remote control unit controls the information concentrated by the information concentration unit, the information acquisition unit of each point establishes a data link with the information concentration unit through the information processing unit, the information concentration unit can identify the address and data of the information processing unit, and the information concentration unit transmits the identified address and data of the information processing unit to the remote control unit for analysis, so that the problem that a low-cost system for remotely monitoring the pressure of the pulse bag dust collector in real time does not exist in the traditional technology is solved, the pressure difference of the inner side and the outer side of a filter bag of the pulse bag dust collector is effectively monitored and controlled in real time, the normal operation of an ash cleaning system of the pulse bag dust collector is ensured, and the whole-process pressure monitoring management in the production process is provided;

2. in the invention, an address coding circuit is coded in advance through the address coding circuit, so that the information concentration unit can rapidly identify the information processing unit;

3. in the invention, the communication DATA among the information processing unit, the information concentration unit and the remote control unit all use a DATA communication protocol, and the format is characterized in that a DATA packet start mark is 4 bits, the type of a sensor is 4 bits, the address of a sensor integration acquisition unit is 8 bits, a DATA transmission unit is 24 bits, and a check unit is 8 bits, so that the intelligent identification and transmission of multiple DATA types of different sensors are realized;

4. in the invention, a data transmission module is transmitted to a remote control unit in real time through an access point of an information concentration unit to complete the real-time analysis and monitoring management of the pressure of a pulse bag;

5. the monitoring system of the invention has low manufacturing cost and can construct multipoint remote monitoring.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.

FIG. 1 is a schematic diagram of a filter bag pressure monitoring system of an air box pulse bag dust collector according to an embodiment of the present invention;

fig. 2 is a schematic system structure diagram of a monitoring system according to an embodiment of the present invention;

fig. 3 is a schematic system structure diagram of an information processing unit in a monitoring system according to an embodiment of the present invention;

fig. 4 is a schematic diagram of a data communication protocol among an information processing unit, an information concentrating unit, and a remote control unit in a monitoring system according to an embodiment of the present invention.

The system comprises an air compressor, a blowing pipeline, a gas purifying chamber, a gas purifying outlet, a 5-electric butterfly valve, a 6-baffle, a 7-dust-containing gas inlet, a box body, a 9-information processing unit, a 10-ash bucket, an 11-ash unloading valve and an information centralizing unit, wherein the air compressor is arranged at 1 part, the blowing pipeline is arranged at 2 part, the gas purifying chamber is arranged at 3 part, the gas purifying outlet is arranged at 4 part, the electric butterfly valve is.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

The information processing unit in the remote monitoring system for the pressure state of the filter bag of the air box pulse bag dust collector is arranged at the upper position and the lower position of each filter bag, see fig. 1, namely, the upper end information processing unit and the lower end information processing unit, and a plurality of filter bag devices, namely a plurality of information processing units are arranged in the air box body, so that multipoint remote monitoring can be constructed, and the cost is low.

A filter bag pressure monitoring system of an air box pulse bag dust collector is shown in figure 2, a plurality of collecting points are arranged in an on-site air box pulse bag dust collector device, each collecting point is composed of a pressure sensor and an information processing unit, the information processing unit collects signals of the pressure sensors, each information processing unit is controlled and managed by an information centralized unit, information collected by each information processing unit is transmitted to the information centralized unit through a data transmission module, and the information is remotely transmitted to a remote control unit for analysis and management through a server in the information centralized unit.

When the remote control unit monitors and analyzes that emergency conditions such as filter bag pressure overload occur in the production process, the emergency manual dust removal switch module device is used for transmitting the emergency manual dust removal switch module device back to the server of the information concentration unit through the network interface, the server analyzes a specific information processing unit according to transmitted address information, an emergency control signal is output through an output interface circuit, the PLC is controlled to perform manual dust removal processing, dust removal monitoring is effectively achieved, and overall process pressure monitoring management in the production process is provided.

The invention discloses a monitoring system which comprises an information acquisition unit, an information processing unit, an information concentration unit and a remote control unit, wherein the information acquisition unit acquires pressure state information of a pulse bag; the information processing unit processes the pulse bag pressure state information acquired by the information acquisition unit; the information centralizing unit centralizes the information processed by the information processing unit; the remote control unit controls the information concentrated by the information concentration unit, the information acquisition unit of each point establishes a data link with the information concentration unit through the information processing unit, the information concentration unit can identify the address and data of the information processing unit, and the information concentration unit transmits the identified address and data of the information processing unit to the remote control unit for analysis and management, so that the problem that a system for monitoring the pressure of the pulse bag dust collector in real time is not available in the traditional technology is solved, the pressure difference of the inner side and the outer side of a filter bag of the pulse bag dust collector is effectively monitored and controlled in real time, and the normal operation of an ash cleaning system of the pulse bag dust collector is ensured.

As an embodiment of the present invention, referring to fig. 3, the information processing unit includes a signal processing circuit, an a/D interface circuit, a single chip, a data transmission module, and an address coding circuit, the signal processing circuit converts an analog signal acquired by the pressure sensor into a reference signal range value acquired by the analog-to-digital converter; the A/D interface circuit converts the output signal of the signal processing circuit into a digital signal through an A/D analog-to-digital converter and inputs the digital signal to the singlechip; the singlechip is used for receiving digital signals input by the A/D interface circuit and outputting control signals input by the remote control unit, preferably, the singlechip selects STM32, particularly, the working frequency of STM32 is 72Mhz, the singlechip is internally provided with a high-speed memory, contains abundant enhanced I/O ports and peripherals connected to two APB buses, and comprises 2 12-bit ADCs, 3 universal 16-bit timers and a PWM timer, and preferably comprises a standard and advanced communication interface, two I2C and SPI, 3 USARTs, a USB and a CAN; the data transmission module is used for completing data transmission between the information processing unit and the information concentration unit, preferably, the data transmission module is a WIFI module, and certainly, as long as simultaneous bidirectional communication can be realized, and a data transmission module for one-to-many point bidirectional communication is available, the specific form of the data transmission module is not limited herein; the address coding circuit is coded in advance by the address coding circuit so that the information concentration unit can quickly identify the information processing unit.

As an embodiment of the present invention, the information processing unit further includes an independent key circuit and an output signal circuit, wherein the independent key circuit is configured to set a function selection; the output signal circuit outputs a control signal to control the pulse bag to manually remove dust.

As a preferred embodiment of the present invention, the information processing unit, the information concentration unit, and the remote control unit all use a DATA communication protocol, the information processing unit uses a specified DATA communication protocol to define the sensor types, 00 is defined as a humidity sensor, 01 is defined as a temperature sensor, 02 is defined as a pressure sensor, 03 is defined as a smoke sensor, 04 is defined as a rotation speed sensor, 05 is defined as a vortex street flow sensor, 06 is defined as an acceleration sensor, 07 is defined as a wind speed sensor, etc., and can implement the specification definition of 15 different sensors, thereby implementing the intelligent identification and transmission of DATA of different sensor types, the DATA communication protocol format is composed of a DATA packet start flag 4bit, a sensor type 4bit, a sensor integration collection unit address 8bit, a transmission DATA unit 24bit, and an end check unit 8bit, see fig. 4, therefore, intelligent identification and transmission of data of different sensor types are realized.

The monitoring system firstly sets an address coding circuit (0-254) in advance according to a planned position during installation, thus determining the code of each information processing unit, the pressure sensor transmits a collected signal to a signal processing circuit in the information processing unit, an analog signal collected by the pressure sensor is converted into a digital signal in a standard sampling voltage range through the signal processing circuit, the accuracy of an A/D interface circuit collecting range is met, namely the standard reference voltage of the A/D interface circuit is 4.096V, namely the analog signal collected by the pressure sensor is converted into the range of 0-4.096V of the A/D interface circuit, the AD mathematical accuracy is ensured, after the singlechip receives the digital signal of the A/D interface circuit, the digital signal is transmitted to a WIFI module through a driving interface and is sent to a remote control unit for analysis and management through an information concentration unit, the remote comprehensive analysis of information such as pressure state data of the filter bag is facilitated for managers, and the next operation and management are determined; when the remote control unit monitors and analyzes that emergency conditions such as filter bag pressure overload occur in the production process, the emergency manual dust removal switch module device is used for transmitting the emergency manual dust removal switch module device back to the server of the information concentration unit through the network interface, the server analyzes a specific information processing unit according to transmitted address information, and outputs an emergency control signal through the output interface circuit to control the PLC to manually remove dust, so that dust removal monitoring is effectively realized.

It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above examples are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.