CN112255030A - Food detection sampling device for liquid and working method thereof - Google Patents
Food detection sampling device for liquid and working method thereof Download PDFInfo
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- CN112255030A CN112255030A CN202010989746.5A CN202010989746A CN112255030A CN 112255030 A CN112255030 A CN 112255030A CN 202010989746 A CN202010989746 A CN 202010989746A CN 112255030 A CN112255030 A CN 112255030A
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- aspirator
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
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Abstract
The invention relates to a food detection sampling device for liquid and a working method thereof, which are characterized by comprising the following steps: the interior of the holding rod is hollow; the holding rod is provided with a control panel, the control panel is connected with the control processor, and the control panel is used for controlling the sampling device; the top end of the holding rod is provided with an installation opening, and the bottom of the holding rod is provided with a placing opening; the upper part of the memory is a storage part, the lower part of the memory is a suction part, and the suction part extends out of a placing opening at the bottom of the holding rod; the storage part extends out of the top of the mounting opening; a fixed cover is arranged on the mounting opening and used for covering the mounting opening, and the fixed cover is movably connected with the holding rod; an aspirator is arranged in the fixing cover and connected with the control processor, and the control processor outputs an opening signal to the aspirator so as to open the aspirator; the top end of the storage part of the storage device is provided with a vent valve, the vent valve is used for contacting with the suction device, and if the suction device is opened, the suction device draws air in the storage device through the vent valve.
Description
Technical Field
The invention relates to the field of food detection, in particular to a food detection sampling device for liquid and a working method thereof.
Background
In industries closely related to daily life of people, food safety is most concerned by the masses, whether food safety directly relates to the body health and even life safety of people or not, in order to ensure food safety, national food safety supervision departments can irregularly sample and detect food circulating in the market, and the sampling process is particularly important for liquid food.
The sampling of current many sampling device is inconvenient, and the storage device specification is different and owing to need use sampling device and storage device respectively in the sampling process, need shift the sample, can cause the pollution of sample during this period, and it is inconvenient to take a sample moreover.
Disclosure of Invention
The purpose of the invention is as follows:
in order to solve the problems mentioned in the background technology, the invention provides a food detection sampling device for liquid and a working method thereof.
The technical scheme is as follows:
a food testing sampling device for liquids, comprising: the interior of the holding rod is hollow; the holding rod is provided with a control panel, the control panel is connected with the control processor, and the control panel is used for controlling the sampling device;
the top end of the holding rod is provided with an installation opening, and the bottom of the holding rod is provided with a placing opening;
a storage device is arranged in the holding rod, the upper part of the storage device is a storage part, the lower part of the storage device is a suction part, and the suction part extends out of a placing opening at the bottom of the holding rod; the storage part extends out of the top of the mounting opening;
a fixed cover is arranged on the mounting opening and used for covering the mounting opening, and the fixed cover is movably connected with the holding rod; an aspirator is arranged in the fixing cover and connected with the control processor, and the control processor outputs an opening signal to the aspirator so that the aspirator is opened;
and a vent valve is arranged at the top end of the storage part of the storage device and is used for contacting with the aspirator, and if the aspirator is opened, the aspirator sucks air in the storage device through the vent valve.
In a preferred aspect of the present invention, the reservoir further includes a connection portion provided on a surface of a lower end of the suction portion at a lower portion of the reservoir, and a locking member provided with the connection portion therein and movably connected to a lower end of the suction portion through the connection portion.
As a preferred mode of the present invention, an installation groove is provided inside the holding rod, the installation groove includes a plurality of installation positions, and the memory is installed in the installation positions; the mounting groove is used for placing a plurality of storages.
In a preferred aspect of the present invention, a moving device is provided inside the fixed cover, the moving device is connected to the control processor, the suction unit is provided in the moving device, and the suction unit is brought into contact with a vent valve of a different storage unit by movement of the moving device.
As a preferable mode of the present invention, a marking device is provided in the fixing cover, and the marking device is used for marking the surface of the memory; the marker is a unique marker.
As a preferred mode of the present invention, the marking device is connected to the control processor; the control panel is also used for inputting marking information, the control processor outputs the marking information to the marking device, and the marking device marks the marking information on the memory.
A working method of a food detection sampling device for liquid comprises the following steps:
the control panel outputs a control starting signal to the control processor;
the control processor outputs a starting signal to the suction apparatus;
if the aspirator is connected with the vent valve, the aspirator is opened, and the aspirator extracts air in the storage through the vent valve.
The method comprises the following steps:
the mobile device corresponds to the mounting groove;
the control panel outputs a starting signal and a corresponding installation position number to the control processor;
the control processor outputs a mounting position number to the mobile device, and the mobile device moves to the mounting position of the number;
after the mobile device is in place, the control processor outputs a starting signal to the suction apparatus;
the aspirator is opened and draws air from the interior of the reservoir in the installation site through the vent valve.
The method comprises the following steps:
the control panel inputs the marking information and outputs the marking information to the control processor;
the control processor outputs the marking information to the marking device;
the marking device marks the marking information on the surface of the memory.
The invention realizes the following beneficial effects:
the sampling device can be stored in the sampling device after sampling, the storage bottle can be directly taken out to be used as a storage sample, the sample does not need to be transferred, the sampling device and the sampling process are saved, the working efficiency is improved, and the sample pollution risk is reduced.
The internal partition is used for storing, a plurality of memories can be placed, the storage capacity of the sampling device is improved, and the times of replacing the memories are reduced.
Negative pressure sampling is carried out through a vent valve at the top of the storage, so that the pollution probability is reduced, and the sampling efficiency is improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
FIG. 1 is a schematic view of a sampling device for detecting liquid food provided by the present invention;
FIG. 2 is a system diagram of a sampling device for liquid food testing according to the present invention;
FIG. 3 is a schematic cross-sectional view of a holding rod of a sampling device for detecting liquid food provided by the invention;
FIG. 4 is a system diagram of a second sampling device for liquid food testing provided by the present invention;
fig. 5 is a system connection diagram of a third food detection and sampling device for liquid provided by the invention.
1. The device comprises a holding rod, 11 control panels, 12 mounting ports, 13 placing ports, 2 storage devices, 21 storage portions, 22 suction portions, 23 vent valves, 3 fixing covers, 31 suction devices, 4 control processors, 5 mounting grooves, 51 mounting positions, 52 moving devices and 53 marking devices.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments; in the following description, numerous specific details are provided to give a thorough understanding of embodiments of the disclosure; one skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, components, devices, steps, etc.; in other instances, well-known technical solutions have not been shown or described in detail to avoid obscuring aspects of the present disclosure.
Furthermore, the drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale; the same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted; the structures shown in the drawings are illustrative only and do not necessarily include all of the elements; for example, some components may be split and some components may be combined to show one device.
The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The method disclosed by the embodiment corresponds to the system disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the system part for description.
Example one
A food testing sampling device for liquids, comprising: the holding rod 1 is hollow inside the holding rod 1. The holding rod 1 is provided with a control panel 11, the control panel 11 is connected with the control processor 4, and the control panel 11 is used for controlling the sampling device.
The control panel 11 may include a keyboard and buttons for controlling the sampling device, and an operator may input instructions to the control panel 11.
The control panel 11 may comprise a screen for displaying operating instructions and sampling procedures, such as: number of sampling operations, sampling time, etc.
The top end of the holding rod 1 is provided with a mounting port 12, and the bottom of the holding rod 1 is provided with a placing port 13.
The mounting opening 12 is used for placing the storage device 2 into the holding rod 1, and the placing opening 13 is used for extending the bottom of the storage device 2 from the placing opening 13.
The inside of the holding rod 1 is provided with a memory 2, the upper part of the memory 2 is a storage part 21, the lower part of the memory 2 is a suction part 22, and the suction part 22 extends out of the placing opening 13 at the bottom of the holding rod 1. The storage part 21 protrudes from the top of the mounting opening 12.
The suction part 22 is used for sampling the liquid, and the storage part 21 is used for storing the sampled liquid.
The fixing cover 3 is arranged on the mounting opening 12, the fixing cover 3 is used for covering the mounting opening 12, and the fixing cover 3 is movably connected with the holding rod 1. An aspirator 31 is arranged in the fixing cover 3, the aspirator 31 is connected with the control processor 4, and the control processor 4 outputs an opening signal to the aspirator 31 to open the aspirator 31.
The fixing cover 3 may be connected to the top of the holding rod 1 by a screw or other means. The reservoir 2 in the holding rod 1 can be replaced by opening the fixing cover 3.
Fixed lid 3 can be provided with the observation window or fixed lid 3 can be the transparent lid, is convenient for observe the sample process, memory 2 can also be transparent, is favorable to observing the degree of sample.
A vent valve 23 is provided at a top end of the storage portion 21 of the reservoir 2, the vent valve 23 is in contact with the aspirator 31, and when the aspirator 31 is opened, the aspirator 31 draws air in the reservoir 2 through the vent valve 23.
The suction unit 31 is used for vacuum suction of the reservoir 2, and the suction unit 31 is matched with the vent valve 23 on the top of the reservoir 2. The vent valve 23 is opened after contacting the aspirator 31 and the aspirator 31 is opened, and otherwise the vent valve 23 is closed.
When the sample liquid in the reservoir 2 needs to be discharged, the gas is discharged into the vent valve 23 through the aspirator 31, and the sample liquid in the reservoir 2 is discharged.
The control panel 11 outputs a control on signal to the control processor 4.
The control processor 4 outputs an on signal to the attractor 31.
If the suction unit 31 is connected to the vent valve 23, the suction unit 31 is opened, and the suction unit 31 draws air from the inside of the reservoir 2 through the vent valve 23.
In a preferred embodiment of the present invention, a connection portion is provided on a surface of a lower end of the suction portion 22 of the lower portion of the reservoir 2, and the reservoir 2 further includes a locking member having a connection portion therein, the locking member being movably connected to a lower end of the suction portion 22 through the connection portion.
The connection may be a screw thread or other connection means. The closing member of the reservoir 2 closes the suction portion 22 of the reservoir 2 when sampling is not required, avoiding contamination of the interior of the reservoir 2.
In a preferred embodiment of the present invention, an installation groove 5 is formed in the holding rod 1, the installation groove 5 includes a plurality of installation positions 51, and the memory 2 is installed in the installation positions 51. The mounting slot 5 is used for placing a plurality of storages 2.
The mounting positions 51 of the mounting grooves 5 can be distributed in an array, including a ring shape and a longitudinal and transverse distribution. The mounting bit 51 corresponds to the placement of the memory 2.
In a preferred embodiment of the present invention, a moving device 52 is provided inside the fixed cover 3, the moving device 52 is connected to the control processor 4, the suction unit 31 is provided on the moving device 52, and the suction unit 31 is brought into contact with the vent valve 23 of the different memory 2 by the movement of the moving device 52.
The moving means 52 corresponds to the mounting groove 5. The moving means 52 correspond to the mounting positions 51 of the mounting groove 5, and if the mounting positions 51 are distributed annularly, the moving means 52 are also distributed annularly, and if the mounting positions 51 are distributed vertically and horizontally, the moving means 52 are also distributed vertically and horizontally.
The suction unit 31 is moved by the moving device 52, and the suction unit 31 can be connected to the vent valve 23 of the different storage units 2 according to the movement of the moving device 52.
Specifically, the installation site 51 may be provided with a number, the control panel 11 enters the number of the installation site 51, and the moving device 52 moves the aspirator 31 to a specified position according to the number of the installation site 51.
The control panel 11 outputs an on signal to the control processor 4, and the corresponding mounting bit 51 number.
The control processor 4 outputs the number of the mounting location 51 to the moving device 52, and the moving device 52 moves to the mounting location 51 having the number.
After the moving device 52 is in place, the control processor 4 outputs an on signal to the aspirator 31.
The aspirator 31 is opened and the aspirator 31 draws air from the inside of the reservoir 2 in the installation site 51 through the vent valve 23.
In a preferred embodiment of the present invention, a marking device 53 is disposed in the fixing cover 3, and the marking device 53 is used for marking the surface of the memory 2. The marker is a unique marker.
The marking device 53 can directly mark the surface of the memory 2 or print a label to be attached to the surface of the memory 2.
The marking information of the marking device 53 may be pre-stored information, such as the current time.
In a preferred embodiment of the present invention, the marking device 53 is connected to the control processor 4. The control panel 11 is further configured to input mark information, the control processor 4 outputs the mark information to the marking device 53, and the marking device 53 marks the mark information on the memory 2.
The control panel 11 inputs specific mark information, and the control processor 4 outputs the specific mark information to the marking device 53. If no mark information is recorded on the control panel 11, the control processor 4 controls the marking device 53 to mark the pre-stored mark information.
The control panel 11 enters the label information, and the control panel 11 outputs the label information to the control processor 4.
The control processor 4 outputs the marking information to the marking device 53.
The marking device 53 marks the marking information on the surface of the memory 2.
Example two
A working method of a food detection sampling device for liquid comprises the following steps:
the control panel 11 outputs a control on signal to the control processor 4.
The control processor 4 outputs an on signal to the attractor 31.
If the suction unit 31 is connected to the vent valve 23, the suction unit 31 is opened, and the suction unit 31 draws air from the inside of the reservoir 2 through the vent valve 23.
The method comprises the following steps:
the moving means 52 corresponds to the mounting groove 5.
The control panel 11 outputs an on signal to the control processor 4, and the corresponding mounting bit 51 number.
The control processor 4 outputs the number of the mounting location 51 to the moving device 52, and the moving device 52 moves to the mounting location 51 having the number.
After the moving device 52 is in place, the control processor 4 outputs an on signal to the aspirator 31.
The aspirator 31 is opened and the aspirator 31 draws air from the inside of the reservoir 2 in the installation site 51 through the vent valve 23.
The method comprises the following steps:
the control panel 11 enters the label information, and the control panel 11 outputs the label information to the control processor 4.
The control processor 4 outputs the marking information to the marking device 53.
The marking device 53 marks the marking information on the surface of the memory 2.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and are intended to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention. All equivalent changes or modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (9)
1. A food testing sampling device for liquids, comprising: the interior of the holding rod is hollow; the holding rod (1) is provided with a control panel (11), the control panel (11) is connected with the control processor (4), and the control panel (11) is used for controlling the sampling device;
the top end of the holding rod (1) is provided with a mounting opening (12), and the bottom of the holding rod (1) is provided with a placing opening (13);
a storage device (2) is arranged in the holding rod (1), the upper part of the storage device (2) is a storage part (21), the lower part of the storage device (2) is a suction part (22), and the suction part (22) extends out of a placing opening (13) at the bottom of the holding rod (1); the storage part (21) extends out of the top of the mounting opening (12);
a fixed cover (3) is arranged on the mounting opening (12), the fixed cover (3) is used for covering the mounting opening (12), and the fixed cover (3) is movably connected with the holding rod (1); an aspirator (31) is arranged in the fixing cover (3), the aspirator (31) is connected with the control processor (4), and the control processor (4) outputs an opening signal to the aspirator (31), so that the aspirator (31) is opened;
a vent valve (23) is arranged at the top end of a storage part (21) of the storage device (2), the vent valve (23) is used for contacting with the aspirator (31), and if the aspirator (31) is opened, the aspirator (31) draws air in the storage device (2) through the vent valve (23).
2. The food detection and sampling device for liquid according to claim 1, characterized in that the surface of the lower end of the suction part (22) of the lower part of the storage (2) is provided with a connecting part, the storage (2) further comprises a fastening part, the inside of the fastening part is provided with a connecting part, and the fastening part is movably connected with the lower end of the suction part (22) through the connecting part.
3. Food detection sampling device for liquids according to claim 1, characterized in that the holding rod (1) is internally provided with a mounting slot (5), said mounting slot (5) comprises a plurality of mounting locations (51), said memory (2) is mounted in said mounting locations (51); the mounting groove (5) is used for placing a plurality of storages (2).
4. Food detection sampling device for liquids according to claim 3, characterized in that inside said fixed cover (3) there are provided moving means (52), said moving means (52) being connected to said control processor (4), said aspirator (31) being provided to said moving means (52), said aspirator (31) being in contact with the vent valve (23) of the different reservoir (2) by the movement of said moving means (52).
5. Food detection sampling device for liquids according to claim 1, characterized in that in the fixed cover (3) there are provided marking means (53), said marking means (53) being intended to mark the surface of the reservoir (2); the marker is a unique marker.
6. A food detection and sampling device for liquids according to claim 5, characterized in that said marking means (53) are connected to said control processor (4); the control panel (11) is further used for inputting marking information, the control processor (4) outputs the marking information to the marking device (53), and the marking device (53) marks the marking information on the memory (2).
7. The method of operating a food testing and sampling device for liquids as claimed in any of claims 1 to 6, comprising the steps of:
the control panel (11) outputs a control starting signal to the control processor (4);
the control processor (4) outputs a starting signal to the suction apparatus (31);
if the aspirator (31) is connected to the ventilation valve (23), the aspirator (31) is opened, and the aspirator (31) draws air from the inside of the reservoir (2) through the ventilation valve (23).
8. The method of claim 7, comprising the steps of:
the moving device (52) corresponds to the mounting groove (5);
the control panel (11) outputs an opening signal and the number of the corresponding mounting position (51) to the control processor (4);
the control processor (4) outputs a mounting position (51) number to the moving device (52), and the moving device (52) moves to the mounting position (51) with the number;
after the mobile device (52) is in place, the control processor (4) outputs a starting signal to the suction apparatus (31);
the suction unit (31) is opened, and the suction unit (31) draws air from the interior of the reservoir (2) in the installation location (51) through the ventilation valve (23).
9. The method of claim 7, comprising the steps of:
the control panel (11) inputs the mark information, and the control panel (11) outputs the mark information to the control processor (4);
the control processor (4) outputs the marking information to the marking device (53);
the marking device (53) marks the marking information on the surface of the memory (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010989746.5A CN112255030B (en) | 2020-09-18 | 2020-09-18 | Food detection sampling device for liquid and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010989746.5A CN112255030B (en) | 2020-09-18 | 2020-09-18 | Food detection sampling device for liquid and working method thereof |
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| CN112255030A true CN112255030A (en) | 2021-01-22 |
| CN112255030B CN112255030B (en) | 2022-12-23 |
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| CN210923172U (en) * | 2019-11-06 | 2020-07-03 | 白雪松 | Sampling device for food inspection |
| CN211148173U (en) * | 2019-12-18 | 2020-07-31 | 新疆维吾尔自治区产品质量监督检验研究院 | Liquid food detects uses sampler |
| CN211179142U (en) * | 2019-12-18 | 2020-08-04 | 厦门唯康食品科技有限公司 | Liquid food detects uses sampler |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208333976U (en) * | 2018-07-16 | 2019-01-04 | 李珍珍 | Food Inspection sampler |
| CN208780515U (en) * | 2018-09-11 | 2019-04-23 | 新疆维吾尔自治区产品质量监督检验研究院 | A kind of food inspection rapid sampling attachment |
| CN210923172U (en) * | 2019-11-06 | 2020-07-03 | 白雪松 | Sampling device for food inspection |
| CN110672383A (en) * | 2019-11-21 | 2020-01-10 | 上海美旗环保技术工程有限公司 | Negative pressure water absorption type automatic sampler |
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