CN205080030U - Online static measurement system of wind powder blending transportation medium concentration and velocity of flow - Google Patents
Online static measurement system of wind powder blending transportation medium concentration and velocity of flow Download PDFInfo
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- CN205080030U CN205080030U CN201520877918.4U CN201520877918U CN205080030U CN 205080030 U CN205080030 U CN 205080030U CN 201520877918 U CN201520877918 U CN 201520877918U CN 205080030 U CN205080030 U CN 205080030U
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- electrostatic
- conditioning circuit
- signal conditioning
- wind powder
- bearing plate
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Abstract
The utility model discloses an online static measurement system of wind powder blending transportation medium concentration and velocity of flow, include: the data acquisition device and with the data processing device that the data acquisition device is connected, the data acquisition device is electrostatic transducer, electrostatic transducer includes shielded enclosure and sets up the lower apron and the setting of shielded enclosure's lower extreme are in the bearing plate of shielded enclosure's upper end, the inside open cavity from top to bottom that sets up of shielded enclosure, be connected through elastic recovery spare between bearing plate and the shielded enclosure, set up the static subassembly in the cavity, data processing device includes data collection card, signal conditioning circuit and computer, electrostatic transducer and signal conditioning circuit's signal input part are connected, signal conditioning circuit's signal output part connects gradually data collection card and computer. Online static measurement system of wind powder blending transportation medium concentration and velocity of flow simple structure, the cost is lower, can effectively improve buggy static measuring -signal's stability and accuracy, reduces measuring device's cost.
Description
Technical field
The utility model relates to the online electrostatic measuring system of concentration and flow velocity in a kind of wind powder blending transportation.
Background technology
In the outer large-scale thermal power machine group of Present Domestic, generally all adopt unit pulverized-coal system, measure power station powder process induction system coal powder density, mass rate is significant to the adjustment of wind powder ratio in the equilibrium assignment of each burner internal coal dust and burner.Although the electrostatic sensing measuring method sensitivity grown up in recent years is better, install complicated, structure is loaded down with trivial details, and cost is higher, and the scope of application is narrower.
Utility model content
For above-mentioned technical matters, the utility model discloses the online electrostatic measuring system of concentration and flow velocity in a kind of wind powder blending transportation, comprising: data collector and the data processing equipment be connected with described data collector; Described data collector is electrostatic transducer, described electrostatic transducer comprise shield shell and be arranged on described shield shell lower end lower cover and be arranged on the bearing plate of upper end of described shield shell; Described inside of shield casings arranges the chamber opened wide up and down; Described bearing plate is connected by elastic recovery part with between shield shell; In described chamber, electrostatic component is set, described electrostatic component is by electrostatic portion and lay respectively at the first insulating part of described electrostatic portion upper surface and lower surface and the second insulating part forms, described electrostatic portion comprises the first electrostatic portion and the second electrostatic portion that are separated from each other setting from top to bottom, described first electrostatic portion is fixedly installed on the lower surface of bearing plate by the first insulating part, described second electrostatic portion is fixedly installed on the upper surface of lower cover by the second insulating part; Described data processing equipment comprises data collecting card, signal conditioning circuit and computing machine, and described electrostatic transducer is connected with the signal input part of signal conditioning circuit, signal output part connection data capture card and the computing machine successively of described signal conditioning circuit.
Preferably, described elastic recovery part is extruded gasket.
The beneficial effects of the utility model are that the online electrostatic measuring system structure of concentration and flow velocity in described wind powder blending transportation is simple, and cost is lower, effectively can improve stability and the accuracy of coal dust electrostatic measurement signal, and reduce the cost of measurement mechanism.
Accompanying drawing explanation
Fig. 1 is the structural representation of the online electrostatic measuring system of concentration and flow velocity in wind powder blending transportation described in the utility model;
In figure: 1, shield shell; 2, lower cover; 3, bearing plate; 4, elastic recovery part; 5, electrostatic component; 6, data collecting card; 7, signal conditioning circuit; 8, computing machine.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail, can implements according to this with reference to instructions word to make those skilled in the art.
As shown in the figure, the utility model discloses the online electrostatic measuring system of concentration and flow velocity in a kind of wind powder blending transportation, comprising: data collector and the data processing equipment be connected with described data collector; Described data collector is electrostatic transducer, described electrostatic transducer comprise shield shell 1 and be arranged on described shield shell 1 lower end lower cover 2 and be arranged on the bearing plate 3 of upper end of described shield shell 1; Described shield shell 1 inside arranges the chamber opened wide up and down; Described bearing plate 3 is connected by elastic recovery part 4 with between shield shell 1; Electrostatic component 5 is set in described chamber, described electrostatic component 5 is by electrostatic portion and lay respectively at the first insulating part of described electrostatic portion upper surface and lower surface and the second insulating part forms, described electrostatic portion comprises the first electrostatic portion and the second electrostatic portion that are separated from each other setting from top to bottom, described first electrostatic portion is fixedly installed on the lower surface of bearing plate by the first insulating part, described second electrostatic portion is fixedly installed on the upper surface of lower cover by the second insulating part; Described data processing equipment comprises data collecting card 6, signal conditioning circuit 7 and computing machine 8, described electrostatic transducer is connected with the signal input part of signal conditioning circuit 7, signal output part connection data capture card 6 and the computing machine 8 successively of described signal conditioning circuit 7.Described elastic recovery part 4 is extruded gasket.In described wind powder blending transportation, the online electrostatic measuring system structure of concentration and flow velocity is simple, and cost is lower, effectively can improve stability and the accuracy of coal dust electrostatic measurement signal, and reduce the cost of measurement mechanism.
Although embodiment of the present utility model is open as above, but it is not restricted to listed in instructions and embodiment utilization, it can be applied to various applicable field of the present utility model completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend described.
Claims (2)
1. the online electrostatic measuring system of concentration and flow velocity in wind powder blending transportation, is characterized in that, comprising: data collector and the data processing equipment be connected with described data collector; Described data collector is electrostatic transducer, described electrostatic transducer comprise shield shell and be arranged on described shield shell lower end lower cover and be arranged on the bearing plate of upper end of described shield shell; Described inside of shield casings arranges the chamber opened wide up and down; Described bearing plate is connected by elastic recovery part with between shield shell; In described chamber, electrostatic component is set, described electrostatic component is by electrostatic portion and lay respectively at the first insulating part of described electrostatic portion upper surface and lower surface and the second insulating part forms, described electrostatic portion comprises the first electrostatic portion and the second electrostatic portion that are separated from each other setting from top to bottom, described first electrostatic portion is fixedly installed on the lower surface of bearing plate by the first insulating part, described second electrostatic portion is fixedly installed on the upper surface of lower cover by the second insulating part; Described data processing equipment comprises data collecting card, signal conditioning circuit and computing machine, and described electrostatic transducer is connected with the signal input part of signal conditioning circuit, signal output part connection data capture card and the computing machine successively of described signal conditioning circuit.
2. the online electrostatic measuring system of concentration and flow velocity in wind powder blending transportation according to claim 1, is characterized in that: described elastic recovery part is extruded gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520877918.4U CN205080030U (en) | 2015-11-04 | 2015-11-04 | Online static measurement system of wind powder blending transportation medium concentration and velocity of flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520877918.4U CN205080030U (en) | 2015-11-04 | 2015-11-04 | Online static measurement system of wind powder blending transportation medium concentration and velocity of flow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205080030U true CN205080030U (en) | 2016-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520877918.4U Expired - Fee Related CN205080030U (en) | 2015-11-04 | 2015-11-04 | Online static measurement system of wind powder blending transportation medium concentration and velocity of flow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205080030U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113466110A (en) * | 2021-07-19 | 2021-10-01 | 中山大学 | Cell electrophysiological signal discrete in-situ long-time measurement and recording system and method |
-
2015
- 2015-11-04 CN CN201520877918.4U patent/CN205080030U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113466110A (en) * | 2021-07-19 | 2021-10-01 | 中山大学 | Cell electrophysiological signal discrete in-situ long-time measurement and recording system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160309 Termination date: 20201104 |