CN204831847U - Sampler and sampling tube - Google Patents
Sampler and sampling tube Download PDFInfo
- Publication number
- CN204831847U CN204831847U CN201520608553.5U CN201520608553U CN204831847U CN 204831847 U CN204831847 U CN 204831847U CN 201520608553 U CN201520608553 U CN 201520608553U CN 204831847 U CN204831847 U CN 204831847U
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- Prior art keywords
- pumping piston
- piston
- pumping
- cylindrical shell
- sample tap
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Abstract
The utility model discloses a sampler and sampling tube. The shutoff position has in the sampler barrel among the shift motion of pumping piston in the barrel, the pumping state, by the position, the pumping piston again with the barrel in closure member linkage, like this at the sampler barrel before the input, the sample connection of pumping piston on with the barrel is sealed up, so that the sampler barrel reachs after the appointed liquid level, draw the pumping piston, make the pumping piston switch to the pumping state from the shutoff position, liquid beyond the barrel can get into the stock solution intracavity through the sample connection, target in place and reach by the position until the twitch of pumping piston, reach before the position at the pumping piston simultaneously, with the closure member of pumping piston linkage will the drive of pumping piston down or by the pumping piston relieve spacing afterwards, the pumping piston reachs to be sealed up the sample connection when the position, consequently the utility model discloses in can keep the sealing of barrel before the sample, seal up the stock solution chamber again after the sample is accomplished, avoided taking a sample liquid more than the liquid level around the sample to the pollution of stock solution intracavity appearance liquid.
Description
Technical field
The utility model relates to a kind of sampler and sampler barrel thereof.
Background technology
At present, the subsurface sampler of domestic each field use is inflow formula sampler, due to the type sampler go into the well before sampler barrel be open state, once the liquid touching down-hole liquid level sampler barrel and contact position is full of, in pit shaft, liquid can not replace out the liquid sample in sampler barrel completely, real shaft bottom liquid sample cannot be got, by analysis data, water (gathering) sample that such as water filling (gathering) well down-hole is got reflects that same a bite dispensing well analysis data exists not comparability, like this, liquid sample just can not truly reflect underground water-injection water quality condition, underground water-injection water quality basic data can not be provided.
Chinese patent literature CN201255701Y disclose a kind of can the sampler of measuring multiple types of deep mineral slurry, comprise by depression bar, piston rod, piston, retaining valve, cylinder body composition drawing-in type driving mechanism and by dust collecter, the sampler barrel of retaining valve composition, the wherein depression bar link piston rod of driving mechanism, the end of piston rod connects piston, piston rod and piston are positioned at cylinder body, the bottom of cylinder body arranges retaining valve, the retaining valve of cylinder base is communicated with sampling head by connecting pipe, the float-valve plug that can fluctuate is provided with in the inner chamber of sampling head, the bottom inlet of sampling head connects retaining valve, when sampling, operation depression bar, make to form negative pressure in the cylinder body of driving mechanism, open the retaining valve bottom sampling head, ore pulp enters in the bottom cavity of float-valve plug by by retaining valve, the now depression bar of shut-down operation driving mechanism, promote sampling head, retaining valve on sampling head is closed next time automatically at the Action of Gravity Field of ore pulp, ore pulp can not be leaked from sampling head, ensure that the degree of accuracy extracting material.But immerse in the process of mineral syrup liquid at sampling head, by the surface tension of mineral syrup liquid and the pressure itself effect of ore pulp, the valve block of the retaining valve bottom sampling head will occur that low pressure is greater than the situation of upper pressure, retaining valve is washed open to make ore pulp, and enter in the cavity of sampling head, this just causes whole sampler cannot be drawn into ore pulp underlying liquid sample, also just makes the liquid sample acquired by this sampler can not truly reflect underground water-injection water quality condition, can not provide underground water-injection water quality basic data.
Utility model content
The purpose of this utility model is to provide a kind of top layer liquid of avoiding to the sampler barrel of the impact of liquid sample, and the utility model additionally provides a kind of sampler using this sampler barrel simultaneously.
In order to realize above object, in the utility model, the technical scheme of sampler barrel is as follows:
Sampler barrel, comprise the pumping piston of cylindrical shell and the assembling of interior guiding movement vertically thereof, cylindrical shell is provided with inside and outside sample tap, have directly or indirectly sealed up the shutoff position of sample tap by follower in the shift motion of pumping piston in cylindrical shell, get out of the way the pumping state that sample tap also increases the liquid storage cylinder capacity be communicated with sample tap gradually, twitch cut-off position when putting in place, and closing member is equipped with in cylindrical shell, closing member gets out of the way sample tap when pumping piston is in pumping state, sample tap is sealed up when pumping piston is in and puts cut-off position in place, closing member is used for before pumping piston arrives cut-off position by pumping piston driving or remove spacing, and it is movable to the direction of sealing up sample tap.
Closing member and/or pumping piston are connected with the STATEMENT OF FEDERALLY SPONSORED driving closing member for pumping piston before arriving cut-off position.
STATEMENT OF FEDERALLY SPONSORED comprises along the axially extended linkage pull rod of cylindrical shell, one end of linkage pull rod is connected in the side that in closing member and pumping piston, is gone up, the other end extends through another sample tap dorsad in closing member and pumping piston, the external part of linkage pull rod be provided with for closing member and pumping piston in extended through a block and for the stop section of pumping piston driving closing member movement, the stop section of linkage pull rod is less than to the distance of stiff end and movablely moves to the stroke ending position from shutoff position.
One end of cylindrical shell is sealed up by the first closeouts, the other end is sealed up by the second closeouts, and sample tap is on the barrel of cylindrical shell.
Closing member is that guiding movement is assemblied in the closure piston in cylindrical shell vertically, closure piston is between pumping piston and the first closeouts, and is provided with between sample tap and the first closeouts and dodges container cavity when pumping piston is in shutoff position for what hold closure piston.
The gear train driving the movement vertically of pumping piston is provided with in cylindrical shell.
Gear train comprises that to be installed on the worm drive that the screw that screw mandrel in pumping piston and pumping piston is connected or is wholely set forms vertically secondary, and pumping piston spline is assemblied in cylindrical shell.
The two ends of leading screw are arranged on support portion that cylindrical shell is arranged respectively.
In the utility model, the technical scheme of sampler is as follows:
Sampler, comprise sampler barrel, sampler barrel comprises the pumping piston of cylindrical shell and the assembling of interior guiding movement vertically thereof, cylindrical shell is provided with inside and outside sample tap, have directly or indirectly sealed up the shutoff position of sample tap by follower in the shift motion of pumping piston in cylindrical shell, get out of the way the pumping state that sample tap also increases the liquid storage cylinder capacity be communicated with sample tap gradually, twitch cut-off position when putting in place, and closing member is equipped with in cylindrical shell, closing member gets out of the way sample tap when pumping piston is in pumping state, sample tap is sealed up when pumping piston is in and puts cut-off position in place, closing member is used for before pumping piston arrives cut-off position by pumping piston driving or remove spacing, and it is movable to the direction of sealing up sample tap.
In the shift motion of pumping piston in cylindrical shell, there is shutoff position, pumping state, cut-off position in the utility model, pumping piston links with the closing member in cylindrical shell again, like this at sampler barrel before input, sample tap on cylindrical shell is sealed up by pumping piston, to make sampler barrel transferring to appointment liquid level, specify the liquid of more than liquid level can not flow in cylindrical shell by sample tap, after sampler barrel arrives appointment liquid level, twitch pumping piston, pumping piston is made to be switched to pumping state from shutoff position, and constantly increase along with the liquid storage cylinder capacity in cylindrical shell, liquid beyond cylindrical shell can enter in liquid storage cylinder by sample tap, put in place until pumping piston is twitched and arrive cut-off position, simultaneously before pumping piston arrives cut-off position, the closing member linked with pumping piston will under the drive of pumping piston or by pumping piston remove spacing after, movable to the direction of sealing up sample tap, until sample tap is sealed up during pumping piston arrives cut-off position, therefore closing of cylindrical shell can be kept in the utility model before sampling, again liquid storage cylinder is sealed up after sampling completes, avoid the liquid of more than sampling front and back sampling liquid level to the pollution of sample liquid in liquid storage cylinder, ensure that accuracy and the reliability of got sample liquid.
Accompanying drawing explanation
Fig. 1 is the front sectional view of sampler barrel in the embodiment of sampler of the present utility model;
Fig. 2 is the vertical view cutaway drawing of sampler barrel in Fig. 1;
Fig. 3 is the structural representation of the driving mechanism of sampler of the present utility model.
Embodiment
The embodiment of sampler in the utility model: as shown in Figure 1 to Figure 3, this sampler is a kind of suction-type sampling device being applicable to oil well and well sampling, be made up of sampler barrel and drive unit two parts, sampler barrel is for sinking to the designated depth of oil well to be measured or well, then sampler barrel is driven to sample oil well or well by drive unit, subsequently whole sampler is proposed from oil well or well, realize oil well or well sampling.
Sampler barrel comprises cylindrical shell 10, and the lower end of cylindrical shell 10 is equipped with lower sub 1, and lower sub 1 is for being threaded in the joint body on cylindrical shell 10; The upper end of cylindrical shell 10 is equipped with top connection 11, and top connection 11 is threaded in the upper plugging block in the upper end of cylindrical shell 10; The position that lower sub 1 is closed in the inside of cylindrical shell 10 is equipped with fixed block 2, and this fixed block 2 is fixed on the lower occluding body in cylindrical shell 10 by pin 17, to make the two ends up and down of this cylindrical shell 10 respectively by top connection 11 and fixed block 2 shutoff.On fixed block 2 along cylindrical shell 10 be axially arranged with by the leading screw that forms of leading screw 7 and lower leading screw 6, the lower end of lower leading screw 6 is installed in fixed block 2, the upper end of upper leading screw 7 is arranged in top connection 11, and lower leading screw 6 is connected with fixed block 2 by lower bearing component 16, upper leading screw 7 is connected with top connection 11 by the upper surface bearing assembly 14 in bearing gland 12, the upper end of upper leading screw 7 connects shaft coupling 13, to form the support portion of leading screw being carried out to both-end support by fixed block 2 and top connection 11 in cylindrical shell 10.The barrel of cylindrical shell 10 offers the sample tap 5 being in bottom, closure piston 4 is provided with near the end of lower sub 1 in the inside of cylindrical shell 10, closure piston 4 is also enclosed within lower leading screw 6, and be provided with in the bottom of cylindrical shell 10 to be in and dodge container cavity between fixed block 2 and sample tap 5, this is dodged container cavity and can hold closure piston 4 and make closure piston 4 get out of the way sample tap 5.Pull bar honeycomb pad 9 is established in the inner upper end near top connection 11 of cylindrical shell 10, close on closure piston 4 place between closure piston 4 in cylindrical shell 10 inside and pull bar honeycomb pad 9 and be provided with pumping piston 8, when sampling initial, closure piston 4 is in dodges in container cavity, pumping piston 8 and closure piston 4 close on, pull bar honeycomb pad 9 is closer to top connection 11, pumping piston 8 is threaded connection on upper leading screw 7, pumping piston 8 is tightly connected by piston seal 15 and cylindrical shell 10, the rotation of leading screw can drive pumping piston 8 to move, to be formed worm drive pair by the screw be wholely set in leading screw and pumping piston 8, this worm drive pair again with fixed block 2, top connection 11, piston guide rod 3 forms the gear train driving pumping piston 8 to move up and down in cylindrical shell 10.Four linkage pull rods 18 are provided with between pull bar honeycomb pad 9 and closure piston 4, the bottom of linkage pull rod 18 is fixed on closure piston 4, top is stretched out from the top of pumping piston 8, linkage pull rod 18 is fixed by nut 19 with pull bar honeycomb pad 9, linkage pull rod 18 moves it for pulling closure piston 4, so that the stop section that pull bar honeycomb pad 9 is formed in the upper end of linkage pull rod 18 when being pulled by pumping piston 8, coordinates with pumping piston 8 block.Fixed block 2 on the periphery of leading screw and be fixed with two piston guide rods 3 between top connection 11, for the mobile guide of closure piston 4 and pumping piston 8, is assemblied in cylindrical shell 10 to make pumping piston 8 and closure piston 4 spline.The present embodiment in order to ensure obtaining real shaft bottom sample liquid, the inwall of leading screw and pumping piston 8, pumping piston 8 and cylindrical shell 10, pumping piston 8 and its radial gag lever post (not shown), pumping piston 8 with linkage pull rod 18, closure piston 4 with its radial gag lever post (not shown), all adopt liquid sealing to be connected between closure piston 4 with cylindrical shell 10.
Drive unit is a kind of electric control gear, this electric control gear comprises the motor bin shell 24 being provided with motor, be provided with the circuit board main body shell 25 of control circuit board and be provided with the battery sleeve shell 27 of electric battery, circuit board main body shell 25 one end is connected by thread seal with motor bin shell 24, circuit board main body shell 25 other end is connected by thread seal with battery sleeve shell 27, circuit board main body shell 25 and battery sleeve shell 27 junction surrounding symmetry establish O-ring seal 33 everywhere, like this, achieve the sealing of whole electric control gear, simultaneously, owing to being threaded, easily dismounting and installation between each parts.To be tightly connected machine shaft 20 at the other end of motor bin shell 24, wherein, machine shaft 20 and motor bin shell 24 are tightly connected by seal pressure cap 21, drive train seals 22, transmission fixed block 23, be threaded connection between seal pressure cap 21 and drive train seals 22, drive train seals 22 and motor bin shell 24 junction are established and are sealed O and enclose 34, establish five teflon circles 35 between drive train seals 22 and seal pressure cap 21, machine shaft 20 cover is through in seal pressure cap 21 and transmission fixed block 23.Electric battery is connected with motor, control circuit board; realize the power supply to motor, control circuit board; electric battery is arranged in the built-in battery sleeve of battery sleeve shell 27 30; electric battery is fixed by insulation fixed cover 29, interior pressure cap 2821; interior pressure cap 2821 is connected with battery sleeve 30 inner thread; achieve being connected in series of multiple batteries, battery sleeve shell 27 protects battery and communication connector, prevents the water in oil pipe and oil from entering in battery sleeve inner casing.Electric battery is crossed 31, two, core by positive pole and was connected that core 32 is motor, control circuit board is powered, and positive pole is crossed core 31 and is threaded with the fixed cover 29 that insulate, and connects core 32 and is connected with battery sleeve 30 inner thread.Control circuit board is connected with motor, realizes the rotation of motor.Connect at circuit board main body shell 25 internal thread and establish communication plug holder 26, communication plug holder 26 establishes power switch, for the switch from external control power supply through circuit board main body shell 25 sealing.Machine shaft 20 in the present embodiment in electric control gear is connected with the shaft coupling 13 in sampler barrel, and the rotation of machine shaft 20 drives shaft coupling 13 to rotate.
Before using, first motor, control circuit board, electric battery are arranged on respectively in motor bin shell 24, circuit board main body shell 25, battery sleeve shell 27, motor bin shell 24, circuit board main body shell 25, battery sleeve shell 27 are screwed, machine shaft 20 is connected on the shaft coupling 13 of sampler barrel in sampler again.Go into the well before sampling, need guarantee that pumping piston 8 in sampler barrel is in minimum point.After treating each parts connection, start power supply, suction-type sampling device electric control gear together with sampler barrel dive in oil well, in the process that sampler barrel is transferred with sampler, sampler barrel is in closed condition always, namely now closure piston 4 and pumping piston 8 are all in the left end of sample tap 5, avoid instrument impurity, wet goods impurity in transferring and enter in sample cylinder.When transferring to sampling horizon in the present embodiment, after reaching the time set by control circuit board, the motor in electric control gear rotates, and drive shaft coupling 13 to rotate, closure piston 4 opens sample tap 5, and liquid sample is entered in sampler barrel by sample tap 5.Along with the rotation of screw mandrel, pumping piston 8 is close to pull bar honeycomb pad 9 along screw mandrel, and after pumping piston 8 touches pull bar honeycomb pad 9, liquid sample enters in sampler barrel completely.Along with the continuation of pumping piston 8 moves forward, pull bar honeycomb pad 9 moves with pumping piston 8, closure piston 4 is driven to move by linkage pull rod 18 when pull bar honeycomb pad 9 moves, closure piston 4 will be sealed between closure piston 4 and pumping piston 8 by sample tap 5 sample liquid entered in cylindrical shell 10, namely realizes liquid sample and closes.Like this, sampler impurity, wet goods impurity in transferring just can be avoided to enter in sample cylinder, guarantee to obtain real shaft bottom liquid sample, then by the sample assay to sampling, just truly can understand the state of down-hole water quality, for geologic development provides reliable fundamental research data.On probation through trial-production, can both liquid sample to optional position, down-hole in the present embodiment, maximum temperature can be born and reach 150C, maximum pressure 60MPa.
In the above-described embodiments, the STATEMENT OF FEDERALLY SPONSORED that pumping piston and closure piston are formed by linkage pull rod and pull bar honeycomb pad transmits action, in other embodiments, this linkage pull rod also can be fixed on pumping piston, the lower end of corresponding linkage pull rod is stretched out from the downside of closure piston, to be arranged on the lower end of linkage pull rod by pull bar honeycomb pad, and pull bar honeycomb pad also can with the replacement such as block nut, back-up ring be connected on linkage pull rod.STATEMENT OF FEDERALLY SPONSORED also can be the stay cord, drag-line etc. of the flexibility be connected between pumping piston and closure piston, to transmit power by opening of compliant member.In addition, this STATEMENT OF FEDERALLY SPONSORED also can be removed, with by pumping piston to the compressing of the rigidity of closure piston, elasticity or magnetic, realize closure piston position control, as pumping piston closure piston rigidity is oppressed time, the lower end of closure piston can be pushed up and be filled an elastic component (as cylindrically coiled spring), when pumping piston removes compressing to closure piston, closure piston can under the pressing of elastic component on bullet and seal up sample tap; When pumping piston is oppressed closure piston magnetic, the magnet that the lower end of pumping piston and the lower of closure piston can be installed homopolarity respectively and arrange in opposite directions, during to move on pumping piston, promotes closure piston moves by the magnet below closure piston and seals up sample tap.
In the above-described embodiments, after sampling completes, in cylindrical shell, sample tap is closed by closure piston, in other embodiments, this closure piston also can be assemblied in plugging block in cylindrical shell with guiding movement, rotate the closing members such as the plugging sheet be assemblied in cylindrical shell replaces, as closing member be plugging block time, the slideway slided for plugging block guiding can be offered on the inwall of cylindrical shell, this slideway is through sample tap, with when pumping piston driving plugging block moves, plugging block is slided and seals up sample tap in the slideway of setting.
The embodiment of sampler barrel in the utility model: in the present embodiment, the structure of sampler barrel is identical with the structure of sampler barrel in above-described embodiment, therefore repeats no more.
Claims (9)
1. sampler barrel, comprise the pumping piston of cylindrical shell and the assembling of interior guiding movement vertically thereof, cylindrical shell is provided with inside and outside sample tap, it is characterized in that, have directly or indirectly sealed up the shutoff position of sample tap by follower in the shift motion of pumping piston in cylindrical shell, get out of the way the pumping state that sample tap also increases the liquid storage cylinder capacity be communicated with sample tap gradually, twitch cut-off position when putting in place, and closing member is equipped with in cylindrical shell, closing member gets out of the way sample tap when pumping piston is in pumping state, sample tap is sealed up when pumping piston is in and puts cut-off position in place, closing member is used for before pumping piston arrives cut-off position by pumping piston driving or remove spacing, and it is movable to the direction of sealing up sample tap.
2. sampler barrel according to claim 1, is characterized in that, closing member and/or pumping piston are connected with the STATEMENT OF FEDERALLY SPONSORED driving closing member for pumping piston before arriving cut-off position.
3. sampler barrel according to claim 2, it is characterized in that, STATEMENT OF FEDERALLY SPONSORED comprises along the axially extended linkage pull rod of cylindrical shell, one end of linkage pull rod is connected in the side that in closing member and pumping piston, is gone up, the other end extends through another sample tap dorsad in closing member and pumping piston, the external part of linkage pull rod be provided with for closing member and pumping piston in extended through a block and for the stop section of pumping piston driving closing member movement, the stop section of linkage pull rod is less than to the distance of stiff end and movablely moves to the stroke ending position from shutoff position.
4. the sampler barrel according to claim 1 or 2 or 3, is characterized in that, one end of cylindrical shell is sealed up by the first closeouts, the other end is sealed up by the second closeouts, and sample tap is on the barrel of cylindrical shell.
5. sampler barrel according to claim 4, it is characterized in that, closing member is that guiding movement is assemblied in the closure piston in cylindrical shell vertically, closure piston is between pumping piston and the first closeouts, and is provided with between sample tap and the first closeouts and dodges container cavity when pumping piston is in shutoff position for what hold closure piston.
6. the sampler barrel according to claim 1 or 2 or 3, is characterized in that, is provided with the gear train driving the movement vertically of pumping piston in cylindrical shell.
7. sampler barrel according to claim 6, is characterized in that, gear train comprises that to be installed on the worm drive that the screw that screw mandrel in pumping piston and pumping piston is connected or is wholely set forms vertically secondary, and pumping piston spline is assemblied in cylindrical shell.
8. sampler barrel according to claim 7, is characterized in that, the two ends of leading screw are arranged on support portion that cylindrical shell is arranged respectively.
9. sampler, comprise sampler barrel, sampler barrel comprises the pumping piston of cylindrical shell and the assembling of interior guiding movement vertically thereof, cylindrical shell is provided with inside and outside sample tap, it is characterized in that, have directly or indirectly sealed up the shutoff position of sample tap by follower in the shift motion of pumping piston in cylindrical shell, get out of the way the pumping state that sample tap also increases the liquid storage cylinder capacity be communicated with sample tap gradually, twitch cut-off position when putting in place, and closing member is equipped with in cylindrical shell, closing member gets out of the way sample tap when pumping piston is in pumping state, sample tap is sealed up when pumping piston is in and puts cut-off position in place, closing member is used for before pumping piston arrives cut-off position by pumping piston driving or remove spacing, and it is movable to the direction of sealing up sample tap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520608553.5U CN204831847U (en) | 2015-08-13 | 2015-08-13 | Sampler and sampling tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520608553.5U CN204831847U (en) | 2015-08-13 | 2015-08-13 | Sampler and sampling tube |
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| Publication Number | Publication Date |
|---|---|
| CN204831847U true CN204831847U (en) | 2015-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520608553.5U Expired - Fee Related CN204831847U (en) | 2015-08-13 | 2015-08-13 | Sampler and sampling tube |
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| CN (1) | CN204831847U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420099A (en) * | 2017-09-20 | 2017-12-01 | 河间市科信油田技术服务有限公司 | Downhole instrument and underground work system |
| CN107687962A (en) * | 2017-10-23 | 2018-02-13 | 西安思坦科技有限公司 | A kind of individual well undisturbed sampler |
| CN107991136A (en) * | 2017-11-30 | 2018-05-04 | 徐州果姿电子商务有限公司 | A kind of food processing rod bone quality inspection device |
| CN110220752A (en) * | 2019-07-11 | 2019-09-10 | 中国人民解放军总医院 | Loose stools sample capturing apparatus |
| CN111175247A (en) * | 2020-01-20 | 2020-05-19 | 通标标准技术服务有限公司 | Traditional Chinese medicine quality determination system based on near infrared spectrum |
| CN111665090A (en) * | 2020-07-08 | 2020-09-15 | 南京美世特自动化工程有限公司 | A thermoelectric desulfurization absorption tower thick liquid sampler for pH meter |
| CN113862124A (en) * | 2021-08-19 | 2021-12-31 | 王晓丽 | Probiotic sampling instrument and sampling method thereof |
-
2015
- 2015-08-13 CN CN201520608553.5U patent/CN204831847U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420099A (en) * | 2017-09-20 | 2017-12-01 | 河间市科信油田技术服务有限公司 | Downhole instrument and underground work system |
| CN107420099B (en) * | 2017-09-20 | 2023-11-10 | 河间市科信油田技术服务有限公司 | Downhole instrument and downhole operation system |
| CN107687962A (en) * | 2017-10-23 | 2018-02-13 | 西安思坦科技有限公司 | A kind of individual well undisturbed sampler |
| CN107991136A (en) * | 2017-11-30 | 2018-05-04 | 徐州果姿电子商务有限公司 | A kind of food processing rod bone quality inspection device |
| CN110220752A (en) * | 2019-07-11 | 2019-09-10 | 中国人民解放军总医院 | Loose stools sample capturing apparatus |
| CN111175247A (en) * | 2020-01-20 | 2020-05-19 | 通标标准技术服务有限公司 | Traditional Chinese medicine quality determination system based on near infrared spectrum |
| CN111665090A (en) * | 2020-07-08 | 2020-09-15 | 南京美世特自动化工程有限公司 | A thermoelectric desulfurization absorption tower thick liquid sampler for pH meter |
| CN113862124A (en) * | 2021-08-19 | 2021-12-31 | 王晓丽 | Probiotic sampling instrument and sampling method thereof |
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| 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: 20151202 Termination date: 20180813 |