CN103728076B - A kind of shell lid opening and closing forces detection method of air sample transporting shell - Google Patents
A kind of shell lid opening and closing forces detection method of air sample transporting shell Download PDFInfo
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- CN103728076B CN103728076B CN201410032220.2A CN201410032220A CN103728076B CN 103728076 B CN103728076 B CN 103728076B CN 201410032220 A CN201410032220 A CN 201410032220A CN 103728076 B CN103728076 B CN 103728076B
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- 238000001514 detection method Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 22
- 230000008569 process Effects 0.000 claims abstract description 19
- 230000001052 transient effect Effects 0.000 claims abstract description 17
- 239000013078 crystal Substances 0.000 claims abstract description 9
- 238000003780 insertion Methods 0.000 claims abstract description 9
- 230000037431 insertion Effects 0.000 claims abstract description 9
- 230000010355 oscillation Effects 0.000 claims abstract description 9
- 230000003028 elevating effect Effects 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 2
- 238000005070 sampling Methods 0.000 abstract description 5
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000000203 mixture Substances 0.000 description 4
- 230000008439 repair process Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000007717 exclusion Effects 0.000 description 2
- 230000008447 perception Effects 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 210000001138 tear Anatomy 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
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- 238000009628 steelmaking Methods 0.000 description 1
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Abstract
The invention discloses a kind of shell lid opening and closing forces detection method of air sample transporting shell, belong to wind and send shell lid opening and closing forces detection field.In the present invention, the same sidewall outer setting of closing device casing has lower caliper, upper caliper and base plate, lift pressure handle drives to uncap force column or closing lid force column, upper caliper thereupon elevating movement completes and uncaps or closing lid, pressure transducer is fixed in the jack on interior web joint, and contact with the insertion end of force column of uncapping, pressure transducer is connected with dynamometry control box; Dynamometry control box comprises single-chip microcomputer, display module, signal holding circuit module, A/D modular converter, alarm module, external crystal-controlled oscillation and reseting module and start-up circuit module.The present invention uses the transient spikes Signal sampling and processing of chip microcontroller low cost to show, solve current sample presentation shell lid and sample presentation shell body opening and closing forces size cannot be controlled, cause the difficult problem that in air sample transporting process, sample is easily lost, improve the reliability of quality management.
Description
Patented claim of the present invention is: the divisional application of 2012103518009, and the applying date of original application is: 2012-09-21, and invention and created name is: a kind of shell lid opening and closing forces detection system of air sample transporting shell and detection method.
Technical field
The invention belongs to shell lid opening and closing forces detection technique field in steelworks air sample transporting system, more particularly, relate to a kind of shell lid opening and closing forces detection method of air sample transporting shell, the opening and closing forces being particularly suitable for clamp-close type air sample transporting shell detects.
Background technology
At present, detect in sampling process at steelworks molten steel, staff needs the steel sample slag specimen being about to collect when smelting complete coming out of the stove to load a shell (container of splendid attire sample), then this shell is passed through air sample transporting piping system, be sent to rapidly laboratory to detect, the empty shell after having detected is transmitted back to converter other transmission cabinet through air sample transporting piping system again.Air sample transporting is the energy by air in pipeline, make a kind of mode of movement that sample runs by the route of specifying, air sample transporting technology development in recent years is very rapid, and be widely used at home, it is mainly as a kind of technological means, meet ironmaking preferably, the technological processs such as steel-making and external refining are to quick sample presentation, express-analysis, the requirement of rapid feedback, this is for shortening the heat, ensure product quality, improve the economic benefit important in inhibiting of enterprise, saved a large amount of manpower simultaneously, alleviate labour intensity, in the industries such as metallurgy, there is promotional value.
But, sample presentation shell is prolonged and repeatedly opening, in closed process, sample presentation shell lid can constantly be worn, when serious wear, very possible in sample presentation process, cause closing tight power because the wearing and tearing of sample presentation shell lid are loosening not and automatically to open, cause sample to lose, had a strong impact on the stable control of product quality.Shell lid can only manually be opened or cover by current shell lid closing device, perception detection display cannot open the strength size of shell lid, therefore often occur when the wearing and tearing of shell lid loosen, because operating personnel cannot recognize in perception in time, can not Replacement and Repair in time, cause steel sample to be put into after shell to be hit by a bullet lid loose or dislocation in sample presentation system, steel sample loss accident occurs.
According to incomplete statistics, each steelworks has tens of cover air sample transporting system, hundreds of steel sample (slag specimen) shells, annual approximately occur tens of because of the wearing and tearing of shell lid excessive, in air sample transporting process, there is bullet lid loose or dislocation, steel sample loss accident, to such an extent as to greatly reduce the controllability of product quality.
If before normal sample presentation operation starts, while opening shell lid, can detect in real time and demonstrate the power opened needed for shell lid, power is fited when namely sample presentation shell lid and sample presentation shell body cover tightly, then when this power little to certain setting value time, this shell sample presentation is used if continue, just easily there is bullet lid to come off, cause losing sample accident to occur, show that just needs are changed or keeped in repair this shell, can provide feasible and force data of uncapping accurately for line operating personnel like this, prevent from losing sample accident to occur, therefore, be badly in need of a set of shell lid opening and closing forces detection system, to solve the problems of the prior art.
Summary of the invention
the technical matters that invention will solve
The opening and closing forces that the object of the invention is to overcome sample presentation shell lid in prior art cannot detection senses, cause the problem that the sample in sample presentation shell is easily lost, provide a kind of shell lid opening and closing forces detection method of air sample transporting shell, power of the uncapping maximal value of air sample transporting shell is gathered by technical scheme of the present invention, can realize uncapping the timely detection of power and display to sample presentation shell, thus avoid the sample loss accident in sample presentation shell to occur to greatest extent.
technical scheme
For achieving the above object, technical scheme provided by the invention is:
The shell lid opening and closing forces detection system of a kind of air sample transporting shell of the present invention, it comprises closing device casing, base plate, lower caliper, upper caliper, outside link plate, interior web joint, to uncap force column, closing lid force column, handle, pressure transducer and dynamometry control box, wherein: the same sidewall outer setting of described closing device casing has lower caliper, upper caliper and base plate, this lower caliper, upper caliper and base plate are all horizontally disposed with, described base plate is fixed on the bottom of closing device casing, described lower caliper and upper caliper are all with U-shaped draw-in groove, lower caliper is used for the bottom of fixing sample presentation shell body, upper caliper is used for fixing sample presentation shell lid, described lower caliper is connected mutually with the bottom of closing device wall box, be positioned at the top of base plate, described upper caliper is connected mutually with the outside link plate vertically arranged, web joint is positioned at the outside of closing device casing, this outside link plate and interior web joint are fixed together by two vertical setting of types connecting links, interior web joint is positioned at the inside of closing device casing, described interior web joint and outside link plate arranged in parallel, above-mentioned connecting link can slide in two vertical chutes of closing device casing one sidewall, the one end portion of described uncap force column and closing lid force column is not fixed in the jack on interior web joint, above-mentioned force column and the closing lid force column of uncapping is horizontally disposed with, handle is through uncapping force column and closing lid force column, chain connection between its stiff end and closing device casing, lift pressure handle drives to uncap force column or closing lid force column, uncap force column or closing lid force column drive in web joint move up and down, upper caliper thereupon elevating movement completes and uncaps or closing lid action, described pressure transducer is fixed in the jack on interior web joint, this pressure transducer contacts with the insertion end of force column of uncapping, and pressure transducer is positioned at the top of the insertion end of force column of uncapping, described pressure transducer is connected with dynamometry control box, described dynamometry control box comprises single-chip microcomputer, display module, signal holding circuit module, A/D modular converter, alarm module, external crystal-controlled oscillation and reseting module and start-up circuit module, described pressure transducer output terminal is connected with the input end of signal holding circuit module, this signal holding circuit module is connected with A/D modular converter, A/D modular converter access single-chip microcomputer, the output interface of single-chip microcomputer is connected with alarm module and display module, and described external crystal-controlled oscillation and reseting module are connected with single-chip microcomputer with start-up circuit module.
Further improve as the present invention, the below of described closing lid force column is also provided with pressure transducer, this pressure transducer is fixed in the jack on interior web joint, and this pressure transducer contacts with the insertion end of closing lid force column, and this pressure transducer is connected with dynamometry control box.
Further improve as the present invention, the switch-linear hybrid of described start-up circuit module is on base plate or handle.
The shell lid opening and closing forces detection method of a kind of air sample transporting shell of the present invention, the steps include:
I) detected pressures signal:
Open the switch of start-up circuit module, to the shell lid opening and closing forces detection system power transmission of air sample transporting shell and start detection system works, the bottom of sample presentation shell body to be opened is fixed in lower caliper, sample presentation shell lid is fixed in upper caliper, lift handle, this handle drives is uncapped force column, in force column of uncapping drives, web joint moves upward, upper caliper has risen thereupon uncaps, and the pressure transducer contacted with force column of uncapping detects the transient pressure signal in sample presentation shell cover opening procedure;
II) detected pressures signal maximum:
By step I) in the transient pressure signal access signal holding circuit module that detects of pressure transducer, this signal holding circuit module is by the maximal value F of above-mentioned pressure signal
maxdetect and maintain;
III) A/D conversion:
By step II) the maximal value F of pressure signal that detects
maxaccess A/D modular converter, is converted to digital quantity by pressure signal by analog quantity;
IV) single-chip microcomputer process:
By step III) digital quantity maximum pressure signal F
maxaccess single-chip microcomputer, the maximum pressure signal F that single-chip microcomputer will detect
maxcontrast with the safe pressure value F of setting;
V) output alarm display:
Single-chip microcomputer is by step IV) the middle maximum pressure signal F accessed
maxshown by display module, this maximum pressure signal F
maxbe the power of uncapping of air sample transporting shell, automatic distinguishing after display 30s, single-chip microcomputer sends a road signal to signal holding circuit module simultaneously, discharges this time and detects and the maximum pressure signal F kept
max, prepare for detecting next time; When step IV) in the maximum pressure signal F that detects
maxwhen being less than the safe pressure value F of setting, Single-chip Controlling alarm module sends alarm.
beneficial effect
Adopt technical scheme provided by the invention, compared with existing known technology, there is following remarkable result:
(1) the shell lid opening and closing forces detection method of a kind of air sample transporting shell of the present invention, achieve sample presentation shell by pressure transducer to uncap the reliable easy detection of power, make operating personnel to the wind comprehensive grasp of having sent the safe condition of shell to have in using, understanding shell can be grasped at any time and cover abrasion condition, to change in time or to repair shell, prevent from occurring automatically to open because of the excessive wear of sample presentation shell lid in air sample transporting process, the accident causing steel sample to lose, improves the reliability of quality management;
(2) the shell lid opening and closing forces detection method of a kind of air sample transporting shell of the present invention, uncap in the transient signal sampling process of power for sample presentation shell, the present invention adopts signal holding circuit module to catch and collects this transient signal maximal value, expensive high speed data acquisition system need not be adopted to carry out high-speed data acquisition, greatly reduce equipment cost, and reliable and practical.
Accompanying drawing explanation
Fig. 1 is the using state schematic diagram of the shell lid opening and closing forces detection system of a kind of air sample transporting shell of the present invention;
Fig. 2 is the gear train schematic diagram of shell lid closing device in the present invention;
Fig. 3 is the circuit block diagram of dynamometry control box inside in the present invention;
Fig. 4 is the circuit diagram of dynamometry control box inside in embodiment 1.
Label declaration in schematic diagram:
1, closing device casing; 2, base plate; 301, lower caliper; 302, upper caliper; 401, sample presentation shell body; 402, sample presentation shell lid; 501, outside link plate; 502, interior web joint; 601, to uncap force column; 602, closing lid force column; 7, handle; 8, pressure transducer; 9, dynamometry control box; 10, single-chip microcomputer; 11, display module; 12, signal holding circuit module; 13, A/D modular converter; 14, alarm module; 15, external crystal-controlled oscillation and reseting module; 16, start-up circuit module.
Embodiment
For understanding content of the present invention further, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.
embodiment 1
Composition graphs 1 and Fig. 2, the shell lid opening and closing forces detection system of a kind of air sample transporting shell of the present embodiment, it is made up of closing device casing 1, base plate 2, lower caliper 301, upper caliper 302, outside link plate 501, interior web joint 502, force column 601 of uncapping, closing lid force column 602, handle 7, pressure transducer 8 and dynamometry control box 9 etc.
The structural representation of shell lid opening and closing forces detection system as shown in Figure 1, in the present embodiment, the same sidewall outer setting of closing device casing 1 has lower caliper 301, upper caliper 302 and base plate 2, this lower caliper 301, upper caliper 302 and base plate 2 are all horizontally disposed with, described base plate 2 is fixed on the bottom of closing device casing 1, described lower caliper 301 is connected mutually with the bottom of closing device casing 1 sidewall, be positioned at the top of base plate 2, described upper caliper 302 is connected mutually with the outside link plate 501 vertically arranged, in the present embodiment, lower caliper 301 and upper caliper 302 are all with U-shaped draw-in groove, lower caliper 301 is for the bottom of fixing sample presentation shell body 401, upper caliper 302 is for fixing sample presentation shell lid 402.Web joint 501 in the present embodiment is positioned at the outside of closing device casing 1, this outside link plate 501 is fixed together by connecting link with interior web joint 502, interior web joint 502 is positioned at the inside of closing device casing 1, described interior web joint 502 is arranged in parallel with outside link plate 501, specifically in the present embodiment, outside link plate 501 and interior web joint 502 are fixed together by two vertical setting of types connecting links, the vertical chute of closing device casing 1 one sidewall is provided with two, and above-mentioned connecting link can slide in the vertical chute of closing device casing 1 one sidewall.The one end portion of force column 601 and closing lid force column 602 of uncapping in the present embodiment is not fixed in the jack on interior web joint 502, above-mentioned force column 601 and the closing lid force column 602 of uncapping is horizontally disposed with, handle 7 is through uncapping force column 601 and closing lid force column 602, with chain connection between its stiff end and closing device casing 1 inwall, lift pressure handle 7 and drive uncap force column 601 or closing lid force column 602, uncap force column 601 or closing lid force column 602 drives interior web joint 502 to move up and down, upper caliper 302 thereupon elevating movement completes and uncaps or closing lid, the gear train schematic diagram of the shell lid closing device in the present embodiment as shown in Figure 2.In the present embodiment, pressure transducer 8 is fixed in the jack on interior web joint 502, this pressure transducer 8 contacts with the insertion end of force column 601 of uncapping, and pressure transducer 8 is positioned at the top of the insertion end of force column 601 of uncapping, actually uncap in process, the power that handle 7 is lifted is delivered to pressure transducer 8 by force column 601 of uncapping, pressure transducer 8 detects the size of this power of uncapping, described pressure transducer 8 is connected with dynamometry control box 9, pressure transducer 8 in the present embodiment adopts Shenzhen Odyssey to create the AUTO-CFBHZ-B series of exact instrument company limited, this pressure transducer 8 adopts combined type S beam as elastic body, there is precision high, delayed little, highly versatile, the features such as delicate structure, its rated load can select 3kg according to the situation of actual sample presentation shell, 5kg, 10kg or 20kg equal-specification.What deserves to be explained is, due to the steel sample loss accident that usually occurs mainly sample presentation shell lid 402 wear and tear excessive, cause required power of uncapping too small, the shell sample presentation shell lid 402 in air sample transporting transmitting procedure having filled sample is come off, so the size of strength of mainly uncapping that operating personnel are concerned about most, instead of the size of closing lid strength, therefore the transient state power of uncapping designed in native system when pressure transducer 8 detection is uncapped can play good preventive effect, but the closing lid power of air sample transporting shell is detected as needed, then pressure transducer 8 can be set at the lower of closing lid force column 602, this pressure transducer 8 is fixed in the jack on interior web joint 502, this pressure transducer 8 contacts with the insertion end of closing lid force column 602, for detecting when closing lid force column 602 moves downward in closing lid process the pressure that pressure transducer 8 produces, this pressure transducer 8 is connected with dynamometry control box 9, can detect when closing lid and show the closing lid power of air sample transporting shell, such effect is better.
The power of uncapping during owing to uncapping is a transient force duration only having Millisecond, and what need accurately to detect is maximum transient force when uncapping, if when therefore directly carrying out data acquisition, just high-speed data acquistion system must be adopted, and the cost of high-speed data acquisition is very high, in order to reduce costs, the present invention adopts a kind of special processing way, namely signal holding circuit module 12 is adopted, the peak value retention time of the signal of high speed transient is extended and keeps a period of time, common low speed signal so just can be adopted to sample this transient peak is collected, as shown in Figure 3 and Figure 4, in the present embodiment, dynamometry control box 9 comprises single-chip microcomputer 10, display module 11, signal holding circuit module 12, A/D modular converter 13, alarm module 14, external crystal-controlled oscillation and reseting module 15 and start-up circuit module 16, described pressure transducer 8 output terminal is connected with the input end of signal holding circuit module 12, signal holding circuit module 12 in the present embodiment is by resistance, operational amplifier, electric capacity, the composition such as diode and triode, signal hold mode can be connected into according to the method for attachment of operational amplifier, be connected with inverting input by output terminal, the effect of the resistance of input end makes operational amplifier input resistant matching, increase the size of operational amplifier input impedance, to reduce the voltage difference of positive and negative input end, reduce output error, resistance effect in the middle of two operational amplifiers is current limliting, prevent that operational amplifier is overheated to be burnt out, the effect of diode is when pressure transducer 8 input signal has reached after maximal value starts to decline, diode can end and prevents charging capacitor from discharging, the effect of electric capacity is the maximal value that charging keeps input signal, and after given discharge signal, pass through resistance rapid discharge in parallel, for next Job readiness.In the present embodiment, signal holding circuit module 12 is connected with A/D modular converter 13, A/D modular converter 13 accesses AT80S52 single-chip microcomputer 10, this A/D modular converter 13 is made up of ADC0808 converter, ADC0808 has eight road analog signals inputs, be connected by eight terminals of 8 output terminals with the port P2 of single-chip microcomputer 10, analog voltage signal is converted to digital signal for single-chip microcomputer process, the output interface of single-chip microcomputer 10 is connected with alarm module 14 and display module 11, in the present embodiment, alarm module 14 is by hummer, two resistance are connected with a PNP triode, the emitter of triode connects high level, collector is connected with hummer, base stage is connected with single-chip microcomputer 10, display module 11 is connected with eight exclusions by group of four figures pipe, because charactron is connected to the P0 interface of single-chip microcomputer, needs to arrange pull-up resistor, and its eight exclusions serve as the effect of pull-up resistor.External crystal-controlled oscillation and reseting module 15 are connected with single-chip microcomputer 10 with start-up circuit module 16, and external crystal-controlled oscillation and reseting module 15 are parts of composition single-chip microcomputer 10 minimum system, for single-chip microcomputer work provides clock signal and reset; The switch of start-up circuit module 16 can be arranged on a base plate 2, when the air sample transporting shell preparing to uncap is positioned on base plate 2, the switch of auto-stitching start-up circuit module 16, automatic start detection system works, power of uncapping is detected in time in the process of uncapping, in addition, the switch of start-up circuit module 16 also can be arranged on handle 7, when operating personnel hold with a firm grip handle 7 prepare uncap operation time, the switch of auto-stitching start-up circuit module 16, start detection system works, detects power of uncapping in time in the process of uncapping.
Composition graphs 3, the shell lid opening and closing forces detection method of a kind of air sample transporting shell in the present embodiment, its concrete treatment step is:
I) detected pressures signal: the power-cutting switch in the present embodiment can be arranged on handle 7, or be arranged on base plate 2, put power-cutting switch on a base plate 2 when sample presentation shell automatically to close, open the power-cutting switch in start-up circuit module 16, to the shell lid opening and closing forces detection system power transmission of air sample transporting shell and start detection system works, the bottom of sample presentation shell body 401 to be opened is fixed after in lower caliper 301, sample presentation shell lid 402 is fixed in upper caliper 302, lift handle 7, this handle 7 drives force column 601 of uncapping, force column 601 of uncapping drives interior web joint 502 to move upward, upper caliper 302 has risen thereupon uncaps, the pressure transducer 8 contacted with force column 601 of uncapping detects the transient pressure signal that sample presentation shell lid 402 is opened in process, pressure transducer 8 changes transient pressure signal when uncapping the current signal of 4 ~ 20mA into, and this current signal is converted to voltage signal through resistance,
II) detected pressures signal maximum: by step I) in the transient pressure signal access signal holding circuit module 12 that detects of pressure transducer 8, this signal holding circuit module 12 is by the maximal value F of above-mentioned pressure signal
maxdetect and maintain;
III) A/D conversion: by step II) the maximal value F of pressure signal that detects
maxaccess A/D modular converter 13, is converted to digital quantity by pressure signal by analog quantity;
IV) single-chip microcomputer process: by step III) digital quantity maximum pressure signal F
maxthe P2 mouth of access single-chip microcomputer 10, the maximum pressure signal F that single-chip microcomputer 10 will detect
maxcontrast with the safe pressure value F of setting;
V) output alarm display: single-chip microcomputer 10 is by step IV) the middle maximum pressure signal F accessed
maxdisplay is given 30 seconds, this maximum pressure signal F by display module 11
maxbe the power of uncapping of air sample transporting shell, after 30 seconds, the charactron of display module 11 closes display, and single-chip microcomputer 10 sends control signal, and signal holding circuit module 12 is reset, for next time measures ready; When step IV) in the maximum pressure signal F that detects
maxwhen being less than the safe pressure value F of setting, single-chip microcomputer 10 controls alarm module 14 and sends alarm, drive buzzer warning 30 seconds, illustrate that sample presentation shell lid 402 weares and teares excessive, power of fiting when sample presentation shell lid 402 and sample presentation shell body 401 cover tightly is too small, uses this shell sample presentation, then may automatically open in sample presentation process if continue, cause the loss of sample, prompting staff changes in time or keeps in repair this shell.
The present invention is to the collection of transient signal, need not by means of the high-speed data acquistion system with high-speed sampling function, and only use single-chip microcomputer 10 can realize the transient spikes Signal sampling and processing display of low cost by low-speed DAQ, and with the ingenious combination of sample presentation shell lid 402 closing device of the present invention, form the shell lid opening and closing forces detection system of the air sample transporting shell of low cost, the opening and closing forces solving sample presentation shell lid 402 in prior art cannot detection senses, the difficult problem causing the sample in sample presentation shell easily to be lost, improves the reliability of quality management.
Schematically above be described the present invention and embodiment thereof, this description does not have restricted, and also just one of the embodiments of the present invention shown in accompanying drawing, actual structure is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from the invention aim, designing the frame mode similar to this technical scheme and embodiment without creationary, all should protection scope of the present invention be belonged to.
Claims (1)
1. the shell lid of air sample transporting shell is uncapped a power detection method, the steps include:
I) detected pressures signal:
Open the switch of start-up circuit module (16), to the shell lid opening and closing forces detection system power transmission of air sample transporting shell and start detection system works, the bottom of sample presentation shell body (401) to be opened is fixed in lower caliper (301), sample presentation shell lid (402) is fixed in upper caliper (302), lift handle (7), this handle (7) drives force column (601) of uncapping, in force column (601) of uncapping drives, web joint (502) moves upward, upper caliper (302) has risen thereupon uncaps, the pressure transducer (8) contacted with force column of uncapping (601) detects the transient pressure signal that sample presentation shell lid (402) is opened in process, wherein, the shell lid opening and closing forces detection system of air sample transporting shell comprises closing device casing (1), base plate (2), lower caliper (301), upper caliper (302), outside link plate (501), interior web joint (502), force column of uncapping (601), closing lid force column (602), handle (7), pressure transducer (8) and dynamometry control box (9), wherein:
The same sidewall outer setting of described closing device casing (1) has lower caliper (301), upper caliper (302) and base plate (2), this lower caliper (301), upper caliper (302) and base plate (2) are all horizontally disposed with, described base plate (2) is fixed on the bottom of closing device casing (1), described lower caliper (301) and upper caliper (302) are all with U-shaped draw-in groove, lower caliper (301) is for the bottom of fixing sample presentation shell body (401), upper caliper (302) is for fixing sample presentation shell lid (402), described lower caliper (301) is connected mutually with the bottom of closing device casing (1) sidewall, be positioned at the top of base plate (2), described upper caliper (302) is connected mutually with the outside link plate (501) vertically arranged, web joint (501) is positioned at the outside of closing device casing (1), this outside link plate (501) and interior web joint (502) are fixed together by two vertical setting of types connecting links, interior web joint (502) is positioned at the inside of closing device casing (1), described interior web joint (502) is arranged in parallel with outside link plate (501), above-mentioned connecting link can slide in two vertical chutes of closing device casing (1) sidewall, the one end portion of described force column of uncapping (601) and closing lid force column (602) is not fixed in the jack on interior web joint (502), above-mentioned force column of uncapping (601) and closing lid force column (602) are horizontally disposed with, handle (7) is through force column of uncapping (601) and closing lid force column (602), chain connection between its stiff end and closing device casing (1), lift pressure handle (7) and drive uncap force column (601) or closing lid force column (602), uncap force column (601) or closing lid force column (602) drive in web joint (502) move up and down, upper caliper (302) thereupon elevating movement completes and uncaps or closing lid action, described pressure transducer (8) is fixed in the jack on interior web joint (502), this pressure transducer (8) contacts with the insertion end of force column of uncapping (601), and pressure transducer (8) is positioned at the top of the insertion end of force column of uncapping (601), described pressure transducer (8) is connected with dynamometry control box (9),
Described dynamometry control box (9) comprises single-chip microcomputer (10), display module (11), signal holding circuit module (12), A/D modular converter (13), alarm module (14), external crystal-controlled oscillation and reseting module (15) and start-up circuit module (16), described pressure transducer (8) output terminal is connected with the input end of signal holding circuit module (12), this signal holding circuit module (12) is connected with A/D modular converter (13), A/D modular converter (13) access single-chip microcomputer (10), the output interface of single-chip microcomputer (10) is connected with alarm module (14) and display module (11), described external crystal-controlled oscillation and reseting module (15) are connected with single-chip microcomputer (10) with start-up circuit module (16),
II) detected pressures signal maximum:
By step I) in pressure transducer (8) detect transient pressure signal access signal holding circuit module (12), this signal holding circuit module (12) is by the maximal value F of above-mentioned pressure signal
maxdetect and maintain;
III) A/D conversion:
By step II) the maximal value F of pressure signal that detects
maxaccess A/D modular converter (13), is converted to digital quantity by pressure signal by analog quantity;
IV) single-chip microcomputer process:
By step III) digital quantity maximum pressure signal F
maxaccess single-chip microcomputer (10), the maximum pressure signal F that single-chip microcomputer (10) will detect
maxcontrast with the safe pressure value F of setting;
V) output alarm display:
Single-chip microcomputer (10) is by step IV) the middle maximum pressure signal F accessed
maxshown by display module (11), this maximum pressure signal F
maxbe the power of uncapping of air sample transporting shell, automatic distinguishing after display 30s, single-chip microcomputer (10) sends a road signal to signal holding circuit module (12) simultaneously, discharges this time and detects and the maximum pressure signal F kept
max, prepare for detecting next time; When step IV) in the maximum pressure signal F that detects
maxwhen being less than the safe pressure value F of setting, single-chip microcomputer (10) controls alarm module (14) and sends alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410032220.2A CN103728076B (en) | 2012-09-21 | 2012-09-21 | A kind of shell lid opening and closing forces detection method of air sample transporting shell |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210351800.9A CN102840943B (en) | 2012-09-21 | 2012-09-21 | Shell cover opening and closing force detection system for pneumatic sample-transporting shells and detection method |
| CN201410032220.2A CN103728076B (en) | 2012-09-21 | 2012-09-21 | A kind of shell lid opening and closing forces detection method of air sample transporting shell |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210351800.9A Division CN102840943B (en) | 2012-09-21 | 2012-09-21 | Shell cover opening and closing force detection system for pneumatic sample-transporting shells and detection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103728076A CN103728076A (en) | 2014-04-16 |
| CN103728076B true CN103728076B (en) | 2015-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410032220.2A Expired - Fee Related CN103728076B (en) | 2012-09-21 | 2012-09-21 | A kind of shell lid opening and closing forces detection method of air sample transporting shell |
| CN201210351800.9A Expired - Fee Related CN102840943B (en) | 2012-09-21 | 2012-09-21 | Shell cover opening and closing force detection system for pneumatic sample-transporting shells and detection method |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210351800.9A Expired - Fee Related CN102840943B (en) | 2012-09-21 | 2012-09-21 | Shell cover opening and closing force detection system for pneumatic sample-transporting shells and detection method |
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| CN (2) | CN103728076B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114193485B (en) * | 2021-11-02 | 2024-08-20 | 广东汇博机器人技术有限公司 | Manipulator and stand type power assisting arm with power assisting function |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3921653A1 (en) * | 1989-06-30 | 1991-01-10 | Siemens Ag | Force measurement during ultrasonic welding - using piezoceramic sensor between two plates connected to moving tool, allowing calculation of exact force between two welded components |
| CN201016823Y (en) * | 2007-03-08 | 2008-02-06 | 上海士贤精密电子设备有限公司 | Nondestructive plastic bottle cap opening torsion-testing instrument |
| CN201053916Y (en) * | 2007-06-11 | 2008-04-30 | 郑贺予 | Loading type valve spring on-line measuring system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09318468A (en) * | 1996-05-31 | 1997-12-12 | Toshiba Fa Syst Eng Kk | Contact-pressure measuring device and switch |
| CN2864637Y (en) * | 2006-01-10 | 2007-01-31 | 沈阳兴华模具开发有限公司 | Detecting tool for catch force of contacting object |
| CN202092812U (en) * | 2011-05-03 | 2011-12-28 | 苏州工业园区高登威科技有限公司 | Car sunvisor stand torque testing device |
| CN202836847U (en) * | 2012-09-21 | 2013-03-27 | 安徽工业大学 | Shell cover opening-closing force detection system of a pneumatic sample-transporting shell |
-
2012
- 2012-09-21 CN CN201410032220.2A patent/CN103728076B/en not_active Expired - Fee Related
- 2012-09-21 CN CN201210351800.9A patent/CN102840943B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3921653A1 (en) * | 1989-06-30 | 1991-01-10 | Siemens Ag | Force measurement during ultrasonic welding - using piezoceramic sensor between two plates connected to moving tool, allowing calculation of exact force between two welded components |
| CN201016823Y (en) * | 2007-03-08 | 2008-02-06 | 上海士贤精密电子设备有限公司 | Nondestructive plastic bottle cap opening torsion-testing instrument |
| CN201053916Y (en) * | 2007-06-11 | 2008-04-30 | 郑贺予 | Loading type valve spring on-line measuring system |
Non-Patent Citations (1)
| Title |
|---|
| 基于精密称重传感器的易开盖拉力测量分析仪的研制;党安明;《山东理工大学学报(自然科学版)》;20060930;第20卷(第5期);74-77 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103728076A (en) | 2014-04-16 |
| CN102840943A (en) | 2012-12-26 |
| CN102840943B (en) | 2014-06-04 |
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