CN208921199U - A kind of coal steam-electric plant smoke flow soft measurement device - Google Patents

Abstract

The utility model relates to technical field of electronic equipment, and disclose a kind of coal steam-electric plant smoke flow soft measurement device, including flow measurement host, it is characterized by: the front of the flow measurement host offers data port, the flow measurement host is connected with data transmission system by data port telecommunications, and the data transmission system is connected with particulate matter sensors, temperature sensor, NO sensor, NO by route telecommunications₂Sensor, SO₂Sensor, CO sensor and flue gas flow meter.The coal steam-electric plant smoke flow soft measurement device, and the button on flow measurement host regulates and controls unit by host and regulates and controls to TMS320LF2407A chip, to obtain desired data, data memory module is recycled to be stored, and the data for keeping data comparison module registration normal compare, and check NO, NO₂、SO₂, CO and flue gas flow concentration it is whether normal, have the function that measure flue gas ingredient.

Description

A kind of coal steam-electric plant smoke flow soft measurement device

Technical field

The utility model relates to technical field of electronic equipment, specially a kind of coal steam-electric plant smoke flow soft measurement device.

Background technique

The measurement of flue gas mass flow is for the heat Balance Calculation of power plant boiler combustion system, and efficiency of combustion is evaluated and combustion It burns numerous industry such as mechanism study and asks with particularly important meaning, but is a large amount of due to containing in Flow Field Distribution complexity and flue gas The unfavorable factors such as soot particle, so that all kinds of speed instrument, flow instrument can not be applied effectively, and still without one, " kind can be long-term so far The on-Line Monitor Device of the flue gas mass flow of stable operation seriously affects the safety and economical operation of power plant.

Flue gas flow measuring device is mounted on boiler flue at present, measures flue gas flow with this, however existing flue gas Flow measurement equipment can only detect gas flow, and without the ingredient being capable of measuring in gas, we have proposed one kind thus Coal steam-electric plant smoke flow soft measurement device.

Utility model content

In view of the deficiencies of the prior art, the utility model provides a kind of coal steam-electric plant smoke flow soft measurement device, has The advantages of measuring the ingredient of flue gas, gas flow can only be detected by solving existing flue gas flow measuring device, without The problem of being capable of measuring ingredient in gas.

The utility model provides the following technical solutions: a kind of coal steam-electric plant smoke flow soft measurement device, including flow measurement Host, it is characterised in that: the front of the flow measurement host offers data port, and the flow measurement host passes through data Port telecommunications is connected with data transmission system, and the data transmission system is connected with particulate matter sensors, temperature by route telecommunications Spend sensor, NO sensor, NO₂Sensor, SO₂Sensor, CO sensor and flue gas flow meter, the flow measurement host Inside includes signal conditioning module, A/D converter, TMS320LF2407A chip, screen display module, data memory module, number Regulate and control unit according to contrast module and host, the data port is connect with signal conditioning module telecommunications, the signal conditioning module It is connect with A/D converter telecommunications, the A/D converter is connect with TMS320LF2407A chip telecommunications, described TMS320LF2407A chip is connect with screen display module telecommunications, the TMS320LF2407A chip and screen display module, Data memory module, data comparison module and host regulation unit are bi-directionally connected.

Preferably, the particulate matter sensors, temperature sensor, NO sensor, NO₂Sensor, SO₂Sensor, CO sensing Device and flue gas flow meter are installed in inside boiler flue.

Preferably, the A/D converter is double 12 A/D converters.

Be compared with the prior art, the utility model have it is following the utility model has the advantages that

The coal steam-electric plant smoke flow soft measurement device, passes through NO sensor, NO₂Sensor, SO₂Sensor and CO sensor Flue gas in boiler flue is detected, and NO, NO₂、SO₂It is the pernicious gas of the insufficient generation of boiler combustion with CO, needs Emphasis detection, the numerical value that cooperation flue gas flow meter, particulate matter sensors and temperature sensor generate, and pass through flow measurement host Calculate NO, NO₂、SO₂, CO concentration, particle concentration and flue gas flow, using flow measurement Framework computing particulate matter in flue gas stream Content in amount, consequently facilitating obtaining the exact numerical of flue gas flow, signal conditioning module pre-processes data, then matches It closes A/D converter to be acquired signal, TMS320LF2407A chip handles signal, and processes and show by screen Module is shown on the screen of flow measurement host, and the button on flow measurement host regulates and controls unit pair by host TMS320LF2407A chip is regulated and controled, to obtain desired data, recycles data memory module to be stored, and make The normal data of data comparison module registration compare, and check NO, NO₂、SO₂, CO and flue gas flow concentration it is whether normal, reach Measure the effect of the ingredient of flue gas.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the system diagram of Fig. 1.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

A kind of coal steam-electric plant smoke flow soft measurement device referring to FIG. 1-2, including flow measurement host, it is characterised in that: The front of flow measurement host offers data port, and flow measurement host is connected with data transmission system by data port telecommunications System, data transmission system are connected with particulate matter sensors, temperature sensor, NO sensor, NO by route telecommunications₂Sensor, SO₂Sensor, CO sensor and flue gas flow meter, particulate matter sensors, temperature sensor, NO sensor, NO₂Sensor, SO₂ Sensor, CO sensor and flue gas flow meter are installed in inside boiler flue, and the inside of flow measurement host includes signal tune Manage module, A/D converter, TMS320LF2407A chip, screen display module, data memory module, data comparison module and master Machine regulates and controls unit, and data port is connect with signal conditioning module telecommunications, and signal conditioning module is connect with A/D converter telecommunications, A/D Converter is double 12 A/D converters, can accurately realize the acquisition to high sensitivity signal, A/D converter with The connection of TMS320LF2407A chip telecommunications, TMS320LF2407A chip are connect with screen display module telecommunications, TMS320LF2407A chip and screen display module, data memory module, data comparison module and host regulate and control the two-way company of unit It connects, passes through NO sensor, NO₂Sensor, SO₂Sensor and CO sensor detect the flue gas in boiler flue, and NO, NO₂、SO₂It is the pernicious gas of the insufficient generation of boiler combustion with CO, emphasis is needed to detect, cooperation flue gas flow meter, particulate matter passes The numerical value that sensor and temperature sensor generate, and pass through flow measurement Framework computing NO, NO₂、SO₂, CO concentration, particle concentration And flue gas flow, using content of the flow measurement Framework computing particulate matter in flue gas flow, consequently facilitating obtaining flue gas flow Exact numerical, signal conditioning module pre-processes data, then A/D converter is cooperated to be acquired signal, TMS320LF2407A chip handles signal, and processes through screen display module on the screen of flow measurement host It has been shown that, and the button on flow measurement host regulates and controls unit by host and regulates and controls to TMS320LF2407A chip, thus To desired data, data memory module is recycled to be stored, and the data for keeping data comparison module registration normal compare, Check NO, NO₂、SO₂, CO and flue gas flow concentration it is whether normal, have the function that measure flue gas ingredient.

Working principle: NO sensor, NO₂Sensor, SO₂Sensor, CO sensor, flue gas flow meter, particulate matter sensors The flue gas in boiler flue is detected with temperature sensor, is later transmitted to the data of generation by data transmission system The data port of flow measurement host, then data port is pre-processed data by signal conditioning module, so that electric current Signal becomes voltage signal, and is acquired with A/D converter to signal, then passes through TMS320LF2407A chip for signal It is handled, and processes and shown on the screen of flow measurement host by screen display module, finally by flow measurement master Button on machine regulates and controls unit by host and regulates and controls to TMS320LF2407A chip, keeps data comparison module registration normal Data compare, to obtain desired data, data memory module are recycled to be stored.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (3)

1. a kind of coal steam-electric plant smoke flow soft measurement device, including flow measurement host, it is characterised in that: the flow measurement master The front of machine offers data port, and the flow measurement host is connected with data transmission system by data port telecommunications, institute It states data transmission system and particulate matter sensors, temperature sensor, NO sensor, NO is connected with by route telecommunications₂Sensor, SO₂ Sensor, CO sensor and flue gas flow meter, the inside of the flow measurement host include signal conditioning module, A/D converter, TMS320LF2407A chip, screen display module, data memory module, data comparison module and host regulate and control unit, the number It is connect according to port with signal conditioning module telecommunications, the signal conditioning module is connect with A/D converter telecommunications, the A/D conversion Device is connect with TMS320LF2407A chip telecommunications, and the TMS320LF2407A chip is connect with screen display module telecommunications, institute It states TMS320LF2407A chip and screen display module, data memory module, data comparison module and host regulation unit is two-way Connection.

2. a kind of coal steam-electric plant smoke flow soft measurement device according to claim 1, it is characterised in that: the particulate matter passes Sensor, temperature sensor, NO sensor, NO₂Sensor, SO₂Sensor, CO sensor and flue gas flow meter are installed in boiler Inside flue.

3. a kind of coal steam-electric plant smoke flow soft measurement device according to claim 1, it is characterised in that: the A/D conversion Device is double 12 A/D converters.