CN202275077U - Explosion-proof analyzer - Google Patents
Explosion-proof analyzer Download PDFInfo
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- CN202275077U CN202275077U CN201120404392XU CN201120404392U CN202275077U CN 202275077 U CN202275077 U CN 202275077U CN 201120404392X U CN201120404392X U CN 201120404392XU CN 201120404392 U CN201120404392 U CN 201120404392U CN 202275077 U CN202275077 U CN 202275077U
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Abstract
The utility model discloses an explosion-proof analyzer, which comprises an instrument case, a window, a control module circuit board and an operation and control press key, wherein the window is arranged on the instrument case, the control module circuit board is arranged between the instrument case and the window, the operation and control press key comprises an infrared emitting tube and an infrared receiving tube and is positioned between the control module circuit board and the window, a press key operation and control region corresponding to operation and control press keys is arranged on the window, a control module comprises a power supply unit, a data input unit, a data output unit, a display unit, an operation and control unit and a main control unit, the signal input end of the infrared emitting tube in the operation and control press key is connected with the signal output end of the operation and control unit, the signal output end of the infrared receiving tube is connected with the signal input end of the operation and control unit, and the control requirement can be met through touching the operation and control region arranged on the window. According to the utility model, the operation and control press keys are isolated from the work site, so that the operation and control performance is ensured, and simultaneously, the condition that the instrument is easy to damaged during the working process so as to cause production safety problems can be avoided.
Description
Technical field
The utility model relates to the explosion-proof technology field of electronic instrument etc., particularly a kind of explosion-proof analyser.
Background technology
Along with fast development of national economy; China has stepped into the ranks of oil, electric power, chemical industrial product big producing country; In industrial environments such as inflammable and explosive chemical substance; Because instrumentation is in hazardous gas, the careless slightly accident of blasting that just is prone to very easily causes great economic loss and casualties.The application in process of production of explosion-proof analyser is more next general, because the technical requirement of explosion-proof analyser itself is high, consumption is few; Difficulty is big; The technology that needs input, fund, factors such as the talent; The explosion-proof analyser of domestic only several moneys also can only be used for the less demanding occasion of production run, and middle and high-end market is monopolized by external analytical instrument manufacturer basically now.
At present, the explosion-proof analyser of only several moneys on the home market, type and spec does not have unified standard, function singleness; Basically be an a specification, if measuring sonde damages, though explosion-proof display instrument can also use for many years; But because of matching problem can not solve, major part has also just been scrapped, and explosion-proof in addition analyser costs an arm and a leg; If select several measurement parameters, will increase a plurality of analytical instrument, the very big like this cost that increases the client.The analyser manufacturer that has does not just have explosion-proof display instrument, and perhaps because of external explosion-proof display instrument price is extremely expensive, the client does not select, and can only select not have the display instrument of explosion prevention function, has increased potential safety hazard, does not meet the technical indicator of security.If hope one or several measurement parameters that increase in the use afterwards more, perhaps find improper this operating mode of certain tame product, concerning existing process analysis system, to design again basically, otherwise possibly realize safety in production hardly.
Summary of the invention
The utility model provides a kind of explosion-proof analyser, and it is effectively isolated the hazardous gas in operational and controlled key button and the working environment, and instrument is damaged when preventing working environment generation detonation, guarantees the life-span and the production safety of instrument itself.
For realizing above-mentioned purpose, the technical scheme that the utility model is taked is: a kind of explosion-proof analyser, comprise meter housing, form, control module circuit board and operational and controlled key button, and form is installed on the meter housing, and the control module circuit board is installed between meter housing and the form; Operational and controlled key button comprises infrared transmitting tube and infrared receiving tube, and both are between control module circuit board and form; The signal input part of infrared transmitting tube and the signal output part of infrared receiving tube be the link control module circuit board respectively; Form is provided with the key controlled zone of corresponding infrared transmitting tube and infrared receiving tube position;
The control module of carrying on the control module circuit board comprises power supply unit, data input cell, data output unit, display unit, controls unit and main control unit; Power supply unit is that main control unit provides working current; Data input cell, the signal output part of controlling the unit connect the signal input part of main control unit respectively; The signal input part of data output unit, display unit connects the signal output part of main control unit respectively;
The signal input part of infrared transmitting tube connects the signal output part of controlling the unit in the operational and controlled key button; The signal output part of infrared receiving tube connects the signal input part of controlling the unit.
Because there is the interference of visible light and other IR in the working site, so as a kind of improvement, the operational and controlled key button of the utility model also comprises the bias light test cell, be used for jamming light source is filtered out, in order to avoid produce maloperation.The bias light test cell is a phototriode, is installed between control module circuit board and the form; The emitter and collector of phototriode is all controlled the unit on the link control module circuit board.
As a kind of improvement, control module also comprises alarm unit, and the signal input part of alarm unit connects the signal output part of main control unit.Be provided with the warning output terminal in the main control unit, alert program can realize that main control unit is judged when detected value surpasses limit value to the alarm unit output alarm signal through the software in the main control unit.
Preferably, said main control unit adopts chip microcontroller.Single-chip microcomputer can adopt existing ripe single-chip microcomputer product; The single-chip microcomputer relative program can combine the function of the required realization of the utility model, utilizes existing ripe software programming technique to accomplish.
As a kind of improvement, comprise 1 above data acquisition channel in the data input cell, comprise 1 above data output channel in the data output unit; The quantity of operational and controlled key button is identical with the quantity of data acquisition channel, data output channel; 1 corresponding 1 parameter that the data output channel is exported of parameter that the data acquisition channel is gathered; Corresponding respectively collection and the output of controlling a kind of parameter of each operational and controlled key button.Preferably, in the quantity of operational and controlled key button, the data input cell in the quantity of data acquisition channel, the data output unit quantity of data output channel be all 4, form is provided with the corresponding zone of controlling of each operational and controlled key button.
During application; Control unit modulation signal of infrared transmitting tube output to operation push-button; Infrared transmitting tube is emitted to the form direction with this modulation signal, and when the zone was controlled in staff's touching, modulation signal reflexed to infrared receiving tube; Infrared receiving tube receives modulation signal, and demodulation exports to and controls in the unit.Control the unit signal of infrared receiving tube and the input of bias light test cell is analyzed, after excluding the interference signal, controlling the corresponding instruction input port of controlling that command signal exports the main control unit single-chip microcomputer to; Single-chip microcomputer receives to control and instructs back and control corresponding data acquisition passage and data output channel to carry out the collection and the output of relevant parameter; The output of data can realize through ripe display product of the prior art, so that observe parameter value more intuitively.After the parameter value that data acquisition channel collects transfers to single-chip microcomputer; Single-chip microcomputer starts relative program detected value and relevant parameters setting value is compared; As exceed; Then the single-chip microcomputer output alarm signal so that the staff in time carries out relevant treatment to the scene, avoids accident to take place to alarm unit.
Beneficial effect
The utility model is kept apart the operational and controlled key button switch and the working site of instrument, when guaranteeing handling, has solved the explosion-proof analyser production safety problem brought because of on-the-spot deflagration accident having explosion easily of meter housing and form in the course of the work.The utility model is in the present situation of fully having analyzed domestic explosion-proof analyser; With reference on the basis of external advanced instrumental technique; Be applicable to the actual conditions of China's industrial processes more; Help breaking of the monopolization of external high-end instrument manufacturer, improve market share from major product in some high-end field; Simultaneously,, also reduced the use threshold of this instrument, reduced the enterprise production cost owing to the improvement of the utility model on structure function.
Description of drawings
Shown in Figure 1 is the structural principle synoptic diagram of the utility model;
The schematic diagram of controlling for operational and controlled key button in the utility model shown in Figure 2.
Embodiment
For the content that makes the utility model is more obviously understandable, combine accompanying drawing and embodiment to be described further down.
The explosion-proof analyser of the utility model comprises meter housing, form and control module circuit board, and form is installed on the meter housing, and the control module circuit board is installed between form and the meter housing.In conjunction with Fig. 1, the control module 1 of carrying on the control module circuit board comprises power supply unit, data input cell, data output unit, controls unit and main control unit; Power supply unit is that main control unit provides working current; Data input cell, the signal output part of controlling the unit connect the signal input part of main control unit respectively; The signal input part of data output unit connects the signal output part of main control unit respectively.
In conjunction with Fig. 2, operational and controlled key button 2 comprises infrared transmitting tube 21 and infrared receiving tube 22, and both are between control module circuit board and form; Form is provided with key controlled regional 23 of corresponding infrared transmitting tube and infrared receiving tube position; The signal input part of infrared transmitting tube 21 connects the signal output part of controlling the unit in the operational and controlled key button 2; The signal output part of infrared receiving tube 22 connects the signal input part of controlling the unit.Also comprise bias light test cell 24 in the operational and controlled key button 2, it utilizes a phototriode to realize, be used for filtering other light interference of environment: phototriode is installed between control module circuit board and the form; The emitter and collector of phototriode is all controlled the unit on the link control module circuit board.
When using; Control unit modulation signal of infrared transmitting tube output to operation push-button; Infrared transmitting tube is emitted to the form direction with this modulation signal, and when the zone was controlled in staff's touching, modulation signal reflexed to infrared receiving tube; Infrared receiving tube receives modulation signal, and demodulation exports to and controls in the unit.Control the unit signal of infrared receiving tube and the input of bias light test cell is analyzed, after excluding the interference signal, controlling the corresponding instruction input port of controlling that command signal exports the main control unit single-chip microcomputer to; Single-chip microcomputer receives to control and instructs back and control corresponding data acquisition passage and data output channel to carry out the collection and the output of relevant parameter; The output of data can realize through ripe display product of the prior art, so that observe parameter value more intuitively.After the parameter value that data acquisition channel collects transfers to single-chip microcomputer; Single-chip microcomputer starts relative program detected value and relevant parameters setting value is compared; As exceed; Then the single-chip microcomputer output alarm signal so that the staff in time carries out relevant treatment to the scene, avoids accident to take place to alarm unit.
The case of practical implementation described in the utility model is merely the preferable case study on implementation of the utility model, is not the practical range that is used for limiting the utility model.Be that all equivalences of doing according to the content of the utility model claim change and modification, all should be as the technological category of the utility model.
Claims (6)
1. an explosion-proof analyser comprises meter housing, form, control module circuit board and operational and controlled key button, and form is installed on the meter housing, and the control module circuit board is installed between meter housing and the form; It is characterized in that operational and controlled key button comprises infrared transmitting tube and infrared receiving tube, both are between control module circuit board and form; The signal input part of infrared transmitting tube and the signal output part of infrared receiving tube be the link control module circuit board respectively; Form is provided with the key controlled zone of corresponding infrared transmitting tube and infrared receiving tube position;
Control module on the control module circuit board comprises power supply unit, data input cell, data output unit, controls unit and main control unit; Power supply unit is that main control unit provides working current; Data input cell, the signal output part of controlling the unit connect the signal input part of main control unit respectively; The signal input part of data output unit connects the signal output part of main control unit respectively;
The signal input part of infrared transmitting tube connects the signal output part of controlling the unit in the operational and controlled key button; The signal output part of infrared receiving tube connects the signal input part of controlling the unit.
2. explosion-proof analyser according to claim 1 is characterized in that operational and controlled key button also comprises the bias light test cell, and it is a phototriode, is installed between control module circuit board and the form; The emitter and collector of phototriode is all controlled the unit on the link control module circuit board.
3. explosion-proof analyser according to claim 1 is characterized in that control module also comprises alarm unit, and the signal input part of alarm unit connects the signal output part of main control unit.
4. according to claim 1 or 3 described explosion-proof analysers, it is characterized in that said main control unit adopts chip microcontroller.
5. explosion-proof analyser according to claim 1 is characterized in that, comprises 1 above data acquisition channel in the data input cell, comprises 1 above data output channel in the data output unit; The quantity of operational and controlled key button is identical with the quantity of data acquisition channel, data output channel; 1 corresponding 1 parameter that the data output channel is exported of parameter that the data acquisition channel is gathered; Corresponding respectively collection and the output of controlling a kind of parameter of each operational and controlled key button.
6. explosion-proof analyser according to claim 1 is characterized in that, in the quantity of operational and controlled key button, the data input cell in the quantity of data acquisition channel, the data output unit quantity of data output channel be all 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120404392XU CN202275077U (en) | 2011-10-21 | 2011-10-21 | Explosion-proof analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120404392XU CN202275077U (en) | 2011-10-21 | 2011-10-21 | Explosion-proof analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202275077U true CN202275077U (en) | 2012-06-13 |
Family
ID=46195425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120404392XU Expired - Lifetime CN202275077U (en) | 2011-10-21 | 2011-10-21 | Explosion-proof analyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202275077U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104406621A (en) * | 2014-12-11 | 2015-03-11 | 哈尔滨东方报警设备开发有限公司 | Anti-explosion wireless analyzer |
-
2011
- 2011-10-21 CN CN201120404392XU patent/CN202275077U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104406621A (en) * | 2014-12-11 | 2015-03-11 | 哈尔滨东方报警设备开发有限公司 | Anti-explosion wireless analyzer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120613 |
|
| CX01 | Expiry of patent term |