CN215262636U - Automatic sample introduction instrument - Google Patents
Automatic sample introduction instrument Download PDFInfo
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- CN215262636U CN215262636U CN202121502167.XU CN202121502167U CN215262636U CN 215262636 U CN215262636 U CN 215262636U CN 202121502167 U CN202121502167 U CN 202121502167U CN 215262636 U CN215262636 U CN 215262636U
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- cleaning device
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- sampling
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Abstract
The utility model discloses an automatic sample introduction instrument, which comprises a shell, a sample introduction needle, a cleaning device and a control part, the top of the shell is provided with a placing frame and a rocker arm, the rocker arm is connected with a driving device, the placing frame is provided with a plurality of placing holes, used for placing a sample bottle, one end of the sample injection needle penetrates through the top end of the swing arm and is positioned above the placing rack, the other end penetrates through the top wall of the shell, the cleaning device is arranged on the shell, the control part is arranged on the shell, the utility model injects the water in the clear water pool into the sample injection needle through the cleaning peristaltic pump by adjusting the three-way electromagnetic valve in the switching cleaning device, and then pour into and wash the pond, make water spill the syringe needle in wasing the pond, realize reaching when wasing the interior pipe wall of syringe needle and going on abluent purpose to syringe needle outer pipe wall, when avoiding the secondary sampling, cause the pollution, improve the accuracy of sampling data.
Description
Technical Field
The utility model relates to a water quality monitoring technology field specifically is an autoinjection appearance.
Background
In the field of wastewater monitoring, the method for collecting the sample plays a very important role in objectively determining whether the content of pollutants in water can be measured, and the sample is distorted due to improper collection method, so that the accuracy of subsequent measurement is greatly influenced. The application of the automatic sampler is a leap of a sample collection method and is also a requirement for the development of environment monitoring work.
When the existing sampler is used for continuously sampling for multiple times, the inner and outer pipelines of the sampling head cannot be timely cleaned, secondary pollution is easily caused, the error of sampling experiment data is large, and the accuracy of the experiment data is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an autoinjection appearance that can avoid the secondary sampling pollution to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: automatic sampling appearance, including shell, syringe, belt cleaning device and control part, rack and rocking arm are installed to the shell top, the rocking arm is connected with drive arrangement, seted up a plurality of holes of placing on the rack for place the sample bottle, syringe one end is run through the swing arm top and is located the rack top, and the other end runs through the shell roof, belt cleaning device is used for wasing the interior outer tube wall of syringe, belt cleaning device installs on the shell, control part is used for sending the order to each drive arrangement, control part installs on the shell.
Preferably, the cleaning device comprises a supporting plate fixed inside the shell, a clean water tank fixedly connected with the bottom wall of the shell is arranged on one side of the supporting plate, a supporting block is fixed on the supporting plate, a three-way electromagnetic valve is fixed on the supporting block and is communicated with one end of the sample injection needle, the three-way electromagnetic valve is communicated with the sample injection peristaltic pump and the cleaning peristaltic pump, one end of the sample injection peristaltic pump penetrates through the shell and is communicated with the analyzer, one end, away from the three-way electromagnetic valve, of the cleaning peristaltic pump is located in the clean water tank, a cleaning assembly used for cleaning is installed on the shell, after sampling is completed, the three-way electromagnetic valve is adjusted, water in the clean water tank is injected into the sample injection needle through the cleaning peristaltic pump, and then is injected into the cleaning assembly, and the inner pipe wall of the sample injection needle is cleaned.
Preferably, wash the subassembly include with shell fixed connection's leading truck, the wash port has been seted up on the leading truck, the wash tank with rack fixed connection is installed to the wash port below, the bottom intercommunication in wash tank has the connecting pipe, the intercommunication has two-way solenoid valve on the connecting pipe, washs the back of accomplishing when the appearance needle, takes out the appearance needle and carries out sampling next time, opens two-way solenoid valve simultaneously and will wash the waste liquid in the tank and pass through the connecting pipe and flow in the waste liquid case.
Preferably, a waste liquid tank is fixed on one side of the shell, and an opening of the waste liquid tank is positioned below the connecting pipe, so that waste liquid is convenient to collect.
Preferably, the control part comprises a display screen, the display screen is connected with the driving circuit board through a line, and the display screen is used for displaying the system state, setting the sampling mode, setting the system setting and the like.
Preferably, the sampling needle is a hollow tube body, has certain flexibility and is convenient to sample.
Preferably, the diameter of the cleaning hole is larger than that of the sampling needle, so that the sampling needle can be conveniently inserted into the cleaning pool.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a tee bend solenoid valve among the belt cleaning device is switched in the adjustment, injects the syringe through the water injection that washs the peristaltic pump in with the clear water pond, and then injects and washs the pond, makes water cross the syringe in wasing the pond, realizes reaching when going on wasing to the interior pipe wall of syringe and carries out abluent purpose to syringe outer pipe wall, when avoiding secondary sampling, causes the pollution, improves the accuracy of sampling data.
2. The utility model discloses a diameter of purge orifice sets to the diameter that is greater than the syringe, makes things convenient for the syringe to insert in the washing pond.
3. The utility model discloses the sampling needle is the cavity body, has certain pliability, the convenient sample.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the cleaning assembly of the present invention;
FIG. 3 is a schematic view of the structure of the cleaning device of the present invention;
fig. 4 is an enlarged view of the area a in fig. 3.
In the figure: 1-a housing; 2, placing a rack; 3-a rocker arm; 4-placing the holes; 5-a sample injection needle; 6-a cleaning device; 7-a control part; 8-a support plate; 9-a clean water tank; 10-a support block; 11-three-way solenoid valve; 12-a sampling peristaltic pump; 13-cleaning the peristaltic pump; 14-a cleaning assembly; 15-a guide frame; 16-cleaning holes; 17-a cleaning pool; 18-a connecting tube; 19-waste liquid tank; 20-a display screen; 21-two-way solenoid valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example one
Referring to fig. 1-4, the present invention provides a technical solution: autoinjection appearance, including shell 1, syringe 5, belt cleaning device 6 and control section 7, rack 2 and rocking arm 3 are installed at 1 top of shell, rocking arm 3 is connected with drive arrangement, a plurality of holes 4 of placing have been seted up on rack 2 for place the sample bottle, 5 one end of syringe runs through the swing arm top and is located rack 2 top, and the other end runs through 1 roof of shell, belt cleaning device 6 is used for wasing the interior outer tube wall of syringe 5, belt cleaning device 6 is installed on shell 1, control section 7 is used for sending the order to each drive arrangement, control section 7 installs on shell 1.
Wherein the moving part of the driving device (not shown) is: lead screw motor installs in shell 1, threaded connection has the bearing frame on lead screw motor's the lead screw, one side of bearing frame is fixed with step motor, start lead screw motor and drive the lead screw and rotate, and then drive the bearing frame linear motion from top to bottom on the lead screw, realize the lift adjustment of rocking arm 3, install the step motor rotation of bearing frame one side, drive rocking arm 3 and rotate, and then drive 3 terminal sampling needles 5 of rocking arm and rotate corresponding sample bottle top, sample, lead screw motor also can adopt lift cylinder to replace in addition.
The control part 7 comprises a display screen 20, the display screen 20 is connected with the driving circuit board through a line, and the display screen 20 is used for displaying the system state, setting the sampling mode, setting the system and the like.
In addition, the sampling needle 5 is a hollow tube body, has certain flexibility and is convenient for sampling.
In this scheme, the washing principle of syringe 5: after sampling of the sampling needle 5 is completed, the driving device drives the rocker arm 3 to move the sampling needle 5 to the upper part of the cleaning device 6, and the sampling needle 5 is placed into the cleaning device 6 to clean the inner and outer tube walls of the sampling needle 5.
Example two
Referring to fig. 3-4, the present embodiment is a further description of the first embodiment, and the automatic sample injector includes a housing 1, a sample injection needle 5, a cleaning device 6, and a control part 7, a placing rack 2 and a rocker arm 3 are installed on the top of the housing 1, the rocker arm 3 is connected with a driving device, a plurality of placing holes 4 are formed in the placing rack 2 for placing sample bottles, one end of the sample injection needle 5 penetrates through the top end of the rocker arm and is located above the placing rack 2, the other end penetrates through the top wall of the housing 1, the cleaning device 6 is used for cleaning the inner and outer tube walls of the sample injection needle 5, the cleaning device 6 is installed on the housing 1, the control part 7 is used for sending commands to the driving devices, and the control part 7 is installed on the housing 1.
Wherein, the cleaning device 6 comprises a supporting plate 8 fixed inside the shell 1, one side of the supporting plate 8 is provided with a clean water tank 9 fixedly connected with the bottom wall of the shell 1, a supporting block 10 is fixed on the supporting plate 8, a three-way electromagnetic valve 11 is fixed on the supporting block 10, the three-way electromagnetic valve 11 is communicated with one end of the sample injection needle 5, the three-way electromagnetic valve 11 is communicated with a sampling peristaltic pump 12 and a cleaning peristaltic pump 13, one end of the sampling peristaltic pump 12 penetrates through the shell 1 to be communicated with the analyzer, one end of the cleaning peristaltic pump 13, which is far away from the three-way electromagnetic valve 11, is positioned in the clean water tank 9, the shell 1 is provided with a cleaning component 14 for cleaning, after sampling is finished, the three-way electromagnetic valve 11 is adjusted, and water in the clean water tank 9 is injected into the sampling needle 5 through the cleaning peristaltic pump 13 and then injected into the cleaning assembly 14, so that the inner pipe wall of the sampling needle 5 is cleaned.
In this scheme, the washing principle of syringe 5: after sampling of the sampling needle 5 is completed, the driving device drives the rocker arm 3 to move the sampling needle 5 to the upper part of the cleaning device 6, the sampling needle 5 is placed into the cleaning assembly 14, the three-way electromagnetic valve 11 is adjusted, water in the clean water tank 9 is injected into the sampling needle 5 through the cleaning peristaltic pump 13, and then the water is injected into the cleaning assembly 14, and the inner pipe wall of the sampling needle 5 is cleaned to clean the inner pipe wall and the outer pipe wall of the sampling needle 5.
EXAMPLE III
Please refer to fig. 2, this embodiment is a further description of other embodiments, and the automatic sample injector includes a housing 1, a sample injection needle 5, a cleaning device 6 and a control part 7, a placing rack 2 and a rocker arm 3 are installed on the top of the housing 1, the rocker arm 3 is connected with a driving device, a plurality of placing holes 4 are formed on the placing rack 2 for placing sample bottles, one end of the sample injection needle 5 penetrates through the top end of the rocker arm and is located above the placing rack 2, the other end penetrates through the top wall of the housing 1, the cleaning device 6 is used for cleaning the inner and outer tube walls of the sample injection needle 5, the cleaning device 6 is installed on the housing 1, the control part 7 is used for sending commands to the driving devices, and the control part 7 is installed on the housing 1.
Wherein, the cleaning device 6 comprises a supporting plate 8 fixed inside the shell 1, one side of the supporting plate 8 is provided with a clean water tank 9 fixedly connected with the bottom wall of the shell 1, a supporting block 10 is fixed on the supporting plate 8, a three-way electromagnetic valve 11 is fixed on the supporting block 10, the three-way electromagnetic valve 11 is communicated with one end of the sample injection needle 5, the three-way electromagnetic valve 11 is communicated with a sampling peristaltic pump 12 and a cleaning peristaltic pump 13, one end of the sampling peristaltic pump 12 penetrates through the shell 1 to be communicated with the analyzer, one end of the cleaning peristaltic pump 13, which is far away from the three-way electromagnetic valve 11, is positioned in the clean water tank 9, the shell 1 is provided with a cleaning component 14 for cleaning, after sampling is finished, the three-way electromagnetic valve 11 is adjusted, and water in the clean water tank 9 is injected into the sampling needle 5 through the cleaning peristaltic pump 13 and then injected into the cleaning assembly 14, so that the inner pipe wall of the sampling needle 5 is cleaned.
Wherein, wash subassembly 14 include with shell 1 fixed connection's leading truck 15, wash hole 16 has been seted up on the leading truck 15, wash hole 16 below install with rack 2 fixed connection's washing pond 17, the bottom intercommunication that washs pond 17 has connecting pipe 18, the intercommunication has two-way solenoid valve 21 on the connecting pipe 18, washs the completion back when syringe 5, takes out syringe 5 and carries out sampling next time, opens two-way solenoid valve 21 simultaneously and will wash the waste liquid in the pond 17 and pass through connecting pipe 18 inflow waste liquid case 19.
In addition, a waste liquid tank 19 is fixed on one side of the shell 1, and an opening of the waste liquid tank 19 is positioned below the connecting pipe 18, so that waste liquid can be conveniently collected. To facilitate the insertion of the injection needle 5 into the cleaning tank 17, the diameter of the cleaning hole 16 is larger than the diameter of the injection needle 5.
In this scheme, the washing principle of syringe 5: when the sampling needle 5 samples, the sampling peristaltic pump 12 is started, the liquid in the sample bottle is sampled by the sampling needle 5, after the sampling of the sampling needle 5 is completed, the rocker arm 3 is driven by the driving device to move the sample injection needle 5 to the upper part of the cleaning device 6, and the sample injection needle 5 passes through the cleaning hole 16 and is put into the pool, the three-way electromagnetic valve 11 is adjusted and switched, water in the clean water tank 9 is injected into the sample injection needle 5 through the cleaning peristaltic pump 13, then injecting the water into the cleaning pool 17 to enable the water to permeate the sample injection needle 5 in the cleaning pool 17, cleaning the inner pipe wall of the sample injection needle 5 and simultaneously cleaning the outer pipe wall of the sample injection needle 5, taking out the sample injection needle 5 for next sampling after the cleaning is finished, and meanwhile, the two-way electromagnetic valve 21 is switched to enable the waste water in the cleaning pool 17 to flow into the waste liquid tank 19 through the connecting pipe 18, so that pollution is avoided during secondary sampling, and the accuracy of sampling data is improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. Autoinjection appearance, including shell (1), rack (2) and rocking arm (3) are installed at shell (1) top, rocking arm (3) are connected with drive arrangement, rack (2) are last to have seted up a plurality of holes (4) of placing, and its characterized in that still includes:
one end of the sample injection needle (5) penetrates through the top end of the swing arm and is positioned above the placing rack (2), and the other end of the sample injection needle (5) penetrates through the top wall of the shell (1);
the cleaning device (6) is used for cleaning the inner and outer tube walls of the sample injection needle (5), and the cleaning device (6) is arranged on the shell (1);
a control section (7) for sending commands to the respective drive means, said control section (7) being mounted on the housing (1).
2. The autosampler of claim 1, wherein: cleaning device (6) is including fixing backup pad (8) inside shell (1), one side of backup pad (8) is equipped with clean water basin (9) with shell (1) diapire fixed connection, be fixed with supporting shoe (10) on backup pad (8), be fixed with three solenoid valve (11) on supporting shoe (10), three solenoid valve (11) and the one end intercommunication of syringe (5), three solenoid valve (11) intercommunication has sample peristaltic pump (12) and washing peristaltic pump (13), the one end of sample peristaltic pump (12) is run through shell (1) and analysis appearance intercommunication, the one end that three solenoid valve (11) were kept away from in washing peristaltic pump (13) is located clean water basin (9), install on shell (1) and be used for abluent cleaning assembly (14).
3. The autosampler of claim 2, wherein: wash subassembly (14) including with shell (1) fixed connection's leading truck (15), wash hole (16) have been seted up on leading truck (15), wash hole (16) below install with rack (2) fixed connection's washing pond (17), the bottom intercommunication in washing pond (17) has connecting pipe (18), the intercommunication has two to lead to solenoid valve (21) on connecting pipe (18).
4. The autosampler of claim 1, wherein: a waste liquid tank (19) is fixed on one side of the shell (1), and an opening of the waste liquid tank (19) is located below the connecting pipe (18).
5. The autosampler of claim 1, wherein: the control part (7) comprises a display screen (20), and the display screen (20) is connected with the driving circuit board through a line.
6. The autosampler of claim 1, wherein: the sample injection needle (5) is a hollow tube body.
7. The autosampler of claim 3, wherein: the diameter of the cleaning hole (16) is larger than that of the sampling needle (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121502167.XU CN215262636U (en) | 2021-07-03 | 2021-07-03 | Automatic sample introduction instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121502167.XU CN215262636U (en) | 2021-07-03 | 2021-07-03 | Automatic sample introduction instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215262636U true CN215262636U (en) | 2021-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121502167.XU Active CN215262636U (en) | 2021-07-03 | 2021-07-03 | Automatic sample introduction instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215262636U (en) |
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2021
- 2021-07-03 CN CN202121502167.XU patent/CN215262636U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 310000 Room 201, 2 / F, building 7, No. 63, Jiuhuan Road, Jianggan District, Hangzhou City, Zhejiang Province Patentee after: Zhejiang Luheng Environmental Technology Co.,Ltd. Address before: 310000 Room 201, 2 / F, building 7, No. 63, Jiuhuan Road, Jianggan District, Hangzhou City, Zhejiang Province Patentee before: HANGZHOU LOHAND BIOLOGICAL Co.,Ltd. |