CN206906406U - A kind of automatic sampler and kjeldahl apparatus detecting system - Google Patents

Abstract

The utility model discloses a kind of automatic sampler and kjeldahl apparatus detecting system, belong to Instrument Control Technology field, wherein automatic sampler includes feeding rotating disk device, rotary electric machine device, lifting motor device and digest tube pin-lift arrangement, feeding rotating disk device is connected with rotary electric machine device, and digest tube pin-lift arrangement is connected with lifting motor device；Feeding rotating disk device is used to load digest tube；Rotary electric machine device is used to drive feeding rotating disk device to rotate, and work digest tube is turned at lifting position；The connection of digest tube pin-lift arrangement is below feeding rotating disk device, at the lifting position, for driving the work digest tube to carry out rising or falling motion；Lifting motor device is used to drive digest tube pin-lift arrangement to rise or fall motion.The utility model has the advantages of low energy consumption, small volume.

Description

A kind of automatic sampler and kjeldahl apparatus detecting system

Technical field

It the utility model is related to Instrument Control Technology field, and in particular to a kind of automatic sampler and kjeldahl apparatus detection System.

Background technology

Kjeldahl apparatus be according to the principle of the content constant of nitrogen in protein, by the content of nitrogen in determination sample so as to Calculate the instrument of protein content.Because the method for its protein content survey calculation is called Kjeldahl's method, therefore it is referred to as kelvin Azotometer, also known as azotometer, protein testing instrument, crude protein analyzer.Current kjeldahl apparatus is substantially to be entered using craft Sample loading mode carries out sample introduction operation to sample, but manual sample introduction is inconvenient for operation, and efficiency is low, and the problems such as occupying tester is convex It is aobvious, and analyze worker and inevitably touch high temperature and strong acid and strong base, so there is very big danger.

Therefore, in order to solve problem present in above-mentioned manual input mode, some automatic samplers are currently provided, in fact The auto injection of existing sample.For example, a kind of automatic sampler of kjeldahl apparatus is disclosed in Chinese patent CN203465284U, Including parts such as lifting platform, left and right travel(l)ing rest, controllers, lifting platform is controlled to disappear what is placed on lifting platform by controller Pipe entirety lifting is boiled, with auto injection.But this input mode can only be that all disappear on lifting platform is boiled into pipe progress entirety Only need to use one when rising or falling motion, and actually sampling to disappear and boil pipe, cause a large amount of wastes of energy, high energy consumption.

Enter automatically for example, disclosing a kind of disk carry post rod type flame spectrum instrument in Chinese patent CN203259535U Sample device, for example be loaded, sample is usually placed on a specific immovable position, sample is drawn in sample needle movement in the past This, sample-adding removes sample after terminating, when sample size is more, it is necessary to strings out all sample levels, is loaded Pin can just be accurately positioned and is loaded, therefore the volume shared by the structure of the above can be bigger, and then cause the body of whole instrument Product is larger.

The content of the invention

Therefore, the utility model embodiment technical problems to be solved are automatic sampler energy consumption of the prior art Height, volume are big.

Therefore, a kind of automatic sampler of the utility model embodiment, including feeding rotating disk device, rotary electric machine device, Lifting motor device and digest tube pin-lift arrangement, feeding rotating disk device are connected with rotary electric machine device, digest tube pin-lift arrangement with Lifting motor device connects；

The feeding rotating disk device, for loading digest tube；

The rotary electric machine device, for driving feeding rotating disk device to rotate, work digest tube is set to turn to lifting position Place；

The digest tube pin-lift arrangement, connection is below feeding rotating disk device, at the lifting position, for driving Work digest tube is stated to carry out rising or falling motion；

The lifting motor device, for driving digest tube pin-lift arrangement to rise or fall motion.

Preferably, the feeding rotating disk device includes rotating disk, digest tube loads position, hole position label and label sensor, disappears Change pipe and load position connection on rotating disk, the connection of hole position label loads position periphery positioned at digest tube and loads position one by one with digest tube It is corresponding；

The hole position label, for showing the positional information of each digest tube loading position on rotating disk；

The label sensor, connection is at the lifting position, for that can identify the positional information of hole position label.

Preferably, in addition to：

Digest tube is in level sensor, and connection is above feeding rotating disk device, at the lifting position, for the work The situation that enters for making digest tube is detected.

Preferably, in addition to：

Carry over facility, it is sheathed on above work digest tube openend, including the hollow structure for being available for work digest tube to pass through, For passing through when the digest tube that works carries out rising or falling motion for it.

Preferably, in addition to：

Removable reagent barrel storage platform, connection is located at automatic sampler enclosure, for placing reagent barrel, including cunning Wheel.

A kind of kjeldahl apparatus detecting system of the utility model embodiment, including above-mentioned automatic sampler and kelvin are determined Nitrogen instrument；

The automatic sampler is used for kjeldahl apparatus auto injection.

The technical scheme of the utility model embodiment, has the following advantages that：

1. the automatic sampler that the utility model embodiment provides, by setting digest tube pin-lift arrangement, can only drive The digest tube that works carries out elevating movement, to realize auto injection, the integral elevating of digest tube when avoiding each sample introduction, so as to Energy consumption is reduced, avoids the waste of resource.And after the amount of movement for reducing digest tube, can greatly it avoid because of digest tube moving belt The accident such as solution is excessive come, it is the dangerous high solution of strong acid and strong base in such as digest tube, the safety coefficient of experiment can be improved. By setting feeding rotating disk device and rotary electric machine device, without sample needle move can sample introduction, and due to existing every time Sample introduction at lifting position, therefore, not only improve because need sample needle mobile and caused by equipment instrument it is big the defects of, and lift Position, which is fixed, make it that the sample introduction degree of accuracy is high, can also improve sample introduction efficiency.

2. the automatic sampler that the utility model embodiment provides, by setting hole position label and label sensor, utilize Number-mark and positioning identify, and the numbering of digest tube on rotating disk can be recognized accurately, it is accurate that and can carries out work digest tube Positioning, improves sample introduction accuracy.

3. the sample injection method that the utility model embodiment provides, the step of by identifying hole position label, only identify institute When being consistent of need, i.e., after contraposition accurately at lifting position, work digest tube position is increased, realize sample introduction, improve carry Accuracy and security.

Brief description of the drawings

, below will be to specific embodiment party in order to illustrate more clearly of the technical scheme in the utility model embodiment The required accompanying drawing used is briefly described in formula description, it should be apparent that, drawings in the following description are the utility model Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can be with root Other accompanying drawings are obtained according to these accompanying drawings.

Fig. 1 is the structural representation of a specific example of automatic sampler in the utility model embodiment 1；

Fig. 2 is the top view of a specific example of automatic sampler in the utility model embodiment 1.

Reference：

1- feeding rotating disk devices, 11- label sensors, 2- rotary electric machine devices, 3- lifting motor devices, 4- digestion tube tops Lever apparatus, 5- digest tubes may move reagent barrel storage platform, 71- pulleys, 72- reagents in level sensor, 6- carrys over facility, 7- Bucket, 8- shells, 9- slide lower margin.

Embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described Embodiment is the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, sheet The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality Novel protected scope.

, it is necessary to illustrate in description of the present utility model, the instruction such as term " top ", " lower section ", " interior ", " outer " Orientation or position relationship are based on orientation shown in the drawings or position relationship, are for only for ease of description the utility model and simplification Description, rather than the device or element of instruction or hint meaning must have specific orientation, with specific azimuth configuration and behaviour Make, therefore it is not intended that to limitation of the present utility model.

, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model Dress ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, can be with It is the connection of two element internals.For the ordinary skill in the art, it can understand that above-mentioned term exists with concrete condition Concrete meaning in the utility model.

In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other Conflict can is not formed to be combined with each other.

Embodiment 1

The present embodiment provides a kind of automatic sampler, can be with the supporting any test apparatus for being applicable to sample introduction, especially Suitable for kjeldahl apparatus, as shown in figure 1, automatic sampler overall package is in shell 8, automatic sampler bottom and shell 8 It is connected with and slides lower margin 9, enclosed inside has including feeding rotating disk device 1, rotary electric machine device 2, lifting motor device 3 and digestion Tube top lever apparatus 4, it is divided into four regions inside shell 8, as shown in figure 1, have feeding rotating disk device 1 in top left region, area of sitting down There are removable reagent barrel storage platform, rotary electric machine device 2 and digest tube pin-lift arrangement 4 etc. in domain, there is reagent in lower right area Bucket, feeding rotating disk device 1 are connected with rotary electric machine device 2, and digest tube pin-lift arrangement 4 is connected with lifting motor device 3.

Feeding rotating disk device 1 is used to load digest tube；Preferably, digest tube is equidistantly to arrange on feeding rotating disk device 1 Row.

Rotary electric machine device 2 is used to drive feeding rotating disk device 1 to rotate, and work digest tube is turned at lifting position； Work digest tube is the digest tube that charging is selected in all digest tubes being loaded on feeding rotating disk device 1.

The connection of digest tube pin-lift arrangement 4 is at the lower section of feeding rotating disk device 1, lifting position, for driving work to digest Pipe carries out rising or falling motion, that is to say, that digest tube pin-lift arrangement 4 aligns with work digest tube, digest tube pin-lift arrangement 4 Lifting only drive work digest tube to lift, such as ejection work digest tube realizes inspection to sample into kjeldahl apparatus upwards Survey, other digest tubes on feeding rotating disk device 1 are motionless.

Lifting motor device 3 is used to drive digest tube pin-lift arrangement 4 to rise or fall motion.The number of work digest tube can Selected according to being actually needed, can be one or two or more.

Above-mentioned automatic sampler, by setting digest tube pin-lift arrangement, work digest tube can be only driven to carry out lifting fortune It is dynamic, to realize auto injection, the integral elevating of digest tube when avoiding each sample introduction, so as to reduce energy consumption, avoid resource Waste.And after the amount of movement for reducing digest tube, the accident such as solution is excessive come by digest tube moving belt can be greatly avoided, It is the dangerous high solution of strong acid and strong base in such as digest tube, the safety coefficient of experiment can be improved.By setting feeding rotating disk to fill Put with rotary electric machine device, without sample needle move can sample introduction, and due to the sample introduction at lifting position every time, because This, not only improve because need sample needle mobile and caused by equipment instrument it is big the defects of, and lifting position is fixed and causes sample introduction The degree of accuracy is high, can also improve sample introduction efficiency.

Preferably, as shown in Fig. 2 feeding rotating disk device 1 includes rotating disk, digest tube loads position, hole position label and label and passed Sensor 11, digest tube load position connection on rotating disk, and the connection of hole position label loads position periphery and and digest tube positioned at digest tube Position is loaded to correspond.Preferably, rotating disk can be circular that digest tube loading position is uniform, is equally spacedly arranged at round turntable Outward flange.

Hole position label is used to show the positional information of each digest tube loading position on rotating disk, it is preferable that the positional information bag Include number-mark and positioning identifies, positioning mark available for help judges whether work digest tube is gone at lifting position, can be with It is pattern identification or symbol logo, such as "+" shape.

The connection of label sensor 11 is at lifting position, for that can identify the positional information of hole position label.Preferably, mark It can be imaging sensor to sign sensor.

Above-mentioned automatic sampler, by setting hole position label and label sensor, identified using number-mark and positioning, both The numbering of digest tube on rotating disk can be recognized accurately, work digest tube is accurately positioned by and can, improves sample introduction accuracy.

Preferably, as shown in figure 1, automatic sampler also includes digest tube in level sensor 5, digest tube is in level sensor 5 Connection is at the top of feeding rotating disk device 1, lifting position, for being detected to a situation that enters for the digest tube that works.It is preferred that Ground, digest tube are located at openend in the connection of level sensor 5, proximity switch can be selected to realize, when work digest tube When in place, proximity switch just can detect whether that work digest tube enters position, so as to carry out subsequent operation again, then be controlled if any position is entered Rise, then do not retract and alarm.Work digest tube detection function in place, Neng Goubao can be realized in level sensor by digest tube Protect the normal operation of instrument.

Preferably, as shown in figure 1, automatic sampler also includes carry over facility 6, it is sheathed on work digest tube openend Side, including the hollow structure for being available for work digest tube to pass through, for supplying it when the digest tube that works carries out rising or falling motion Pass through.The hollow structure of carry over facility 6 is only for work digest tube longitudinally through the lateral displacement of limitation work digest tube, is work Make to provide an auxiliary fulcrum during digest tube elevating movement, ensure its catenary motion, avoid work digest tube from being moved through Tilted in journey or side is fallen, and then liquid leakage in pipe can be prevented, improve the safety and reliability of instrument.

Preferably, as shown in figure 1, automatic sampler also includes removable reagent barrel storage platform 7, it is connected positioned at automatic Injector enclosure, for placing reagent barrel, including pulley 71.As shown in figure 1, multiple reagent barrels 72 can be placed in shell 8, Alkali lye, distilled water and boric acid solution etc. can be stored respectively, and power is provided to multichannel water influent pipeline by peristaltic pump, membrane pump, A kind of acid of a passage is realized, avoids reagent cross pollution.By may move reagent barrel storage platform 7, convenience in transport and installation.

Embodiment 2

The present embodiment provides a kind of sample injection method of automatic sampler, can be applied to the automatic sampler of above-described embodiment 1, Comprise the following steps：

S1, when receive comprising work digest tube digest tube load position positional information sample introduction message when, control rotate Electric machine 2 drives the rotating disk of feeding rotating disk device 1 to be rotated；Into step S2；

The hole position label that S2, the identification of abstract factory sensor 11 enter in identification region；Into step S3；

S3, judge enter identification region in hole position label whether with work digest tube digest tube load position positional information It is consistent；When being consistent into the hole position label in identification region with the digest tube loading position positional information for the digest tube that works, enter Step S4；When not being consistent with the digest tube loading position positional information for the digest tube that works into the hole position label in identification region, Maintain the statusquo；

S4, control rotary electric machine device 2 stop driving, stall rotating disk；

S5, control lifting motor device 3 drive digest tube pin-lift arrangement 4 to carry out ascending motion, push the work forward on digest tube Rise, with sample introduction.Preferably, the digest tube that works passes through sample introduction after carry over facility 6, and digest tube is toppled over during preventing sample introduction.

When any step in above-mentioned steps S1-S5 breaks down, stop instrument and alarm, after trouble shooting, then Carry out in next step.

Above-mentioned sample injection method, the step of by identifying hole position label, only identify it is required when being consistent, i.e., in lifting position After putting place's contraposition accurately, work digest tube position is increased, realize sample introduction, improve carry accuracy and security.

Preferably, step S3 judgement enter identification region in hole position label whether with work digest tube digest tube fill Carrying the step of position positional information is consistent includes：

S31, judge enter identification region in hole position label number-mark whether with work digest tube digest tube fill The number-mark for carrying position positional information is consistent；When the number-mark for entering the hole position label in identification region and work digest tube When the number-mark that digest tube loads position positional information is consistent, into step S32；When the hole position label in entrance identification region When number-mark is not consistent with the number-mark of the digest tube loading position positional information for the digest tube that works, into step S34；

S32, the hole position label for judging to enter in identification region positioning identify whether to fill with the digest tube of work digest tube The positioning mark for carrying position positional information is consistent；When the positioning mark and work digest tube that enter the hole position label in identification region When the positioning mark that digest tube loads position positional information is consistent, into step S33；When the hole position label in entrance identification region When positioning mark is not consistent with the positioning mark of the digest tube loading position positional information for the digest tube that works, control rotating disk carries out micro Adjustment is rotated, untill positioning mark is consistent.

S33, the digest tube loading position positional information phase for obtaining the hole position label entered in identification region and the digest tube that works The judged result of symbol.

S34, obtain the digest tube loading position positional information of the hole position label and work digest tube entered in identification region not The judged result being consistent.

Above-mentioned sample injection method, by judge respectively number-mark and positioning identify the step of, distinguished be not aligned be by It is that digest tube numbering is not consistent caused by which kind of reason, or the no accurate positioning of positioning, so as to improve location efficiency, enter And improve sample introduction accuracy.

Preferably, after step S4, before step S5, also comprise the following steps：

S4-1, control digest tube sense work digest tube in level sensor 5 and whether there is；

S4-2, when sensing work digest tube, into step S5.

By above-mentioned steps S4-1 and S4-2, can determine whether out work digest tube whether actual installation in position, so as to enter One step avoids sample introduction mistake, improves sample introduction accuracy and security.

Embodiment 3

The present embodiment provides a kind of kjeldahl apparatus detecting system, includes the automatic sampler and kjeldahl determination of embodiment 1 Instrument；Automatic sampler is used for kjeldahl apparatus auto injection, the full-automatic sample introduction of sample batch is realized, automatically by the sample of batch It is delivered in kjeldahl apparatus and carries out sample detection, fully achieves the automation and unattended of whole process, mitigate operator's Working strength and operator is avoided to be contacted with excessive hazardous agents.

Obviously, above-described embodiment is only intended to clearly illustrate example, and is not the restriction to embodiment.It is right For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or Among the protection domain that variation is created still in the utility model.

Claims (6)

1. a kind of automatic sampler, it is characterised in that including feeding rotating disk device（1）, rotary electric machine device（2）, lifting motor Device（3）With digest tube pin-lift arrangement（4）, feeding rotating disk device（1）With rotary electric machine device（2）Connection, digest tube push rod dress Put（4）With lifting motor device（3）Connection；

The feeding rotating disk device（1）, for loading digest tube；

The rotary electric machine device（2）, for driving feeding rotating disk device（1）Rotate, work digest tube is turned to lifting position Put place；

The digest tube pin-lift arrangement（4）, connect and be located at feeding rotating disk device（1）At lower section, the lifting position, for driving The work digest tube carries out rising or falling motion；

The lifting motor device（3）, for driving digest tube pin-lift arrangement（4）Rise or fall motion.

2. automatic sampler according to claim 1, it is characterised in that the feeding rotating disk device（1）Including rotating disk, disappear Change pipe and load position, hole position label and label sensor（11）, digest tube, which loads position and connected, to be located on rotating disk, hole position label connection position Load position periphery in digest tube and load position with digest tube and correspond；

The hole position label, for showing the positional information of each digest tube loading position on rotating disk；

The label sensor（11）, connection is at the lifting position, for that can identify the positional information of hole position label.

3. automatic sampler according to claim 2, it is characterised in that also include：

Digest tube is in level sensor（5）, connect and be located at feeding rotating disk device（1）At top, the lifting position, for described A situation that enters for work digest tube is detected.

4. automatic sampler according to claim 3, it is characterised in that also include：

Carry over facility（6）, it is sheathed on above work digest tube openend, including the hollow structure for being available for work digest tube to pass through, For passing through when the digest tube that works carries out rising or falling motion for it.

5. according to the automatic sampler described in claim any one of 1-4, it is characterised in that also include：

Removable reagent barrel storage platform（7）, connection is located at automatic sampler enclosure, for placing reagent barrel, including cunning Wheel（71）.

6. a kind of kjeldahl apparatus detecting system, it is characterised in that including the auto injection described in claim any one of 1-5 Device；

The automatic sampler is used for kjeldahl apparatus auto injection.