CN112326364A - System for automatically adding reagent to maintain sample liquid balance - Google Patents
System for automatically adding reagent to maintain sample liquid balance Download PDFInfo
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- CN112326364A CN112326364A CN202011402910.4A CN202011402910A CN112326364A CN 112326364 A CN112326364 A CN 112326364A CN 202011402910 A CN202011402910 A CN 202011402910A CN 112326364 A CN112326364 A CN 112326364A
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- pump
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/38—Diluting, dispersing or mixing samples
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/28—Electrolytic cell components
- G01N27/30—Electrodes, e.g. test electrodes; Half-cells
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/16—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using titration
-
- 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
- G01N2001/1418—Depression, aspiration
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/38—Diluting, dispersing or mixing samples
- G01N2001/386—Other diluting or mixing processes
Abstract
The invention discloses a system for automatically adding a reagent to maintain the balance of sample liquid, which automatically collects a sample through a peristaltic pump, automatically detects the sample through a detector, magnetically stirs the sample, and finishes the detection of the sample through the automatic actions; the sample pool is connected in the reactor through the first pump, the first pump is used for conveying sample solution in the sample pool into the reactor, the reactant container is connected in the reactor through the second pump, the second pump is used for adding reactant in the reactor into the reactor, the waste liquid barrel is connected in the reactor through the third pump, the third pump is used for discharging solution after testing in the reactor into the waste liquid barrel, the detection terminal of the detector is plugged into the reactor, the reagent A container and the reagent B container are connected in the sample pool through the fourth pump and the fifth pump respectively, the fourth pump and the fifth pump are used for adding the reagent A container and the reagent A and the reagent B in the reagent B container into the sample pool respectively, and the detected indexes in the sample pool are balanced.
Description
Technical Field
The invention discloses a system for automatically adding a reagent to maintain sample liquid balance, and belongs to the technical field of automatic equipment.
Background
In the fields of laboratories, aquaria and the like, the content of a certain element in a sample is detected, the sample needs to be manually taken out, then a reactant is added into the taken out sample, a chemical reaction is generated between the reactant and the sample, the color change or the electrochemical change is reflected, the color change can be observed by naked eyes, the electrochemical change can be detected by a corresponding electrode, and the content of the certain element in the sample is judged according to the adding amount of the reactant and the electrochemical reaction degree;
if a certain index of the sample pool is detected to be low, a reagent needs to be added into the sample pool, so that the index is improved;
if a certain index of the sample pool is detected to be higher, other reagents need to be added into the sample pool, and the index is reduced;
these steps are basically performed manually, and there is a possibility that the operation may be deviated.
Disclosure of Invention
The invention overcomes the defects of the prior art and provides a system for automatically adding a reagent to maintain the balance of sample liquid.
In order to solve the technical problems, the invention adopts the technical scheme that: a system for automatically adding a reagent to maintain sample liquid balance comprises a sample pool, a reagent container, a waste liquid barrel, a magnetic stirring device, a detector, a reactor, a control system, a reagent A container, a reagent B container, a cloud server, a first pump, a second pump, a third pump, a fourth pump and a fifth pump, wherein the sample pool is connected into the reactor through the first pump, the first pump is used for conveying sample solution in the sample pool into the reactor, the reagent container is connected into the reactor through the second pump, the second pump is used for adding the reagent in the reactor into the reactor, the waste liquid barrel is connected into the reactor through the third pump, the third pump is used for discharging solution tested in the reactor into the waste liquid barrel, a detection terminal of the detector is plugged into the reactor, the detector is used for detecting electrochemical indexes of the sample and the reagent after reaction in the reactor, the reagent A container and the reagent B container are respectively connected into the sample pool through a fourth pump and a fifth pump, and the fourth pump and the fifth pump are respectively used for adding the reagent A and the reagent B in the reagent A container and the reagent B container into the sample pool and balancing the detected indexes in the sample pool;
the control system is respectively electrically connected with the detector, the cloud server, the first pump, the second pump, the third pump, the fourth pump and the fifth pump, controls the work of each pump through the control system, and transmits the detection result of the detector to the cloud server;
the reactor is arranged on a magnetic stirring device, and the sample and the reactant in the reactor are stirred by the magnetic stirring device, so that the sample and the reactant are fully reacted.
The first pump, the second pump, the third pump, the fourth pump and the fifth pump are all peristaltic pumps, metering devices are arranged on the peristaltic pumps, and the peristaltic pumps are in the structure that: the synchronous disc comprises a driving motor, a pump head seat, a sleeve, a main shaft, a synchronous disc, bearings, a pump pipe, a pressure pipe buckle shell and an end cover, wherein a machine body of the driving motor is fixedly arranged at one end of the pump head seat, the other end of the pump head seat is provided with the sleeve, the main shaft is movably arranged in the sleeve, the axial section of the main shaft is in an I shape, one end of the main shaft is connected with a power output end of the driving motor penetrating through the pump head seat, a plurality of bearings are sleeved in an annular groove of the main shaft, the synchronous disc is of a needle bearing structure, the needle bearings are circumferentially arrayed at the minimum noninterference interval, the synchronous disc is sleeved on the bearings in the annular groove of the main shaft, the outer sides of the bearings are attached to the inner sides of the synchronous disc, the two ends of the synchronous disc are respectively and fixedly arranged at the inner sides of the two ends of the annular groove of the main shaft, so that, the end cover is fixedly arranged at the end part of the sleeve, the synchronous disc is sealed in the sleeve, a semicircular through hole is formed in the upper side of the sleeve, so that the needle roller bearing positioned on the upper side of the sleeve is exposed, and one or more pump pipes are tightly pressed on the needle roller bearing through a pressure pipe buckle shell;
one end of the pressure pipe buckling shell is hinged to the pump head seat through a buckling shell closing pin, the other end of the pressure pipe buckling shell is provided with a vertical through hole or a semicircular opening vertical groove, a switch pin bushing is arranged on the lower side of the vertical through hole or the semicircular opening vertical groove, a switch pin spring bushing is arranged on the upper side of the vertical through hole or the semicircular opening vertical groove, the switch pin spring bushing is vertically arranged, one side of the switch pin spring bushing is fixedly arranged on the pump head seat, a spring is arranged in the switch pin spring bushing, a hand-screwed screw with a cap is inserted in the spring, the hand-screwed screw penetrates through the switch pin spring bushing and the vertical through hole or the semicircular opening vertical groove and then is in threaded connection with a threaded hole on the upper side of the switch pin bushing, and the degree of the pressure pipe buckling shell pressing the pump pipe is adjusted by; the pump pipe is located telescopic both ends and all overlaps and is equipped with the tube clamping seat, the upper portion of tube clamping seat is provided with the U type groove of horizontal setting, the pump pipe stretches out from the U type groove of tube clamping seat, the outside of tube clamping seat is provided with the regulating plate, the side of regulating plate is fixed on the pump head seat, the vertical slotted hole that is provided with on the regulating plate, the tube clamping seat compresses tightly through the annular knurl hand screw that runs through regulating plate slotted hole and fixes on the sleeve, annular knurl hand screw is used for adjusting the upper and lower position of tube clamping seat.
The first pump, the second pump, the third pump, the fourth pump and the fifth pump are all diaphragm pumps, and metering devices are arranged on the diaphragm pumps.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the peristaltic pump and the online detection electrode are adopted, so that the sampling of the sample, the addition of the reactant and the change detection of electrochemistry after reaction are all automatically completed, wherein the reaction process of the sample and the reactant is also promoted by magnetic stirring, the detection time is reduced, the error of manual operation is reduced, and the labor is also saved; the related automatic detection system is provided with a control system, and the control system can send a test result to the cloud end of the server, so that the historical data can be conveniently recorded and consulted.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic flow chart of the present invention.
Fig. 3 is a schematic view showing the structure of the peristaltic pump of the present invention.
In the figure: 1 is a sample cell, 2 is a reagent container, 3 is a waste liquid barrel, 4 is a magnetic stirring device, 5 is a detector, 6 is a reactor, 7 is a control system, 8 is a reagent A container, 9 is a reagent B container, 10 is a cloud server, 11 is a first pump, 12 is a second pump, 13 is a third pump, 14 is a fourth pump, 15 is a fifth pump, 111 is a driving motor, 112 is a pump head seat, 113 is a sleeve, 114 is a main shaft, 115 is a synchronous disc, 116 is a bearing, 117 is a pump pipe, 118 is a pressure pipe buckle shell, 119 is an end cover, 1110 is a buckle shell closing pin, 1111 is a vertical through hole or a semicircular opening vertical groove, 1112 is a switch pin spring bushing, 1113 is a spring, 1114 is a hand-screwed screw, 1115 is a clamping pipe seat, 1116 and 1117 is a knurled hand-screwed screw.
Detailed Description
As shown in fig. 1, 2 and 3, the system for automatically adding a reagent to maintain a sample liquid balance according to the present invention includes a sample cell 1, a reagent container 2, a waste liquid tank 3, a magnetic stirring apparatus 4, a detector 5, a reactor 6, a control system 7, a reagent a container 8, a reagent B container 9, a cloud server 10, a first pump 11, a second pump 12, a third pump 13, a fourth pump 14 and a fifth pump 15, wherein the sample cell 1 is connected to the reactor 6 by the first pump 11, the first pump 11 is used for transporting a sample solution in the sample cell 1 to the reactor 6, the reagent container 2 is connected to the reactor 6 by the second pump 12, the second pump 12 is used for adding a reagent in the reactor 6 to the reactor 6, the waste liquid tank 3 is connected to the reactor 6 by the third pump 13, the third pump 13 is used for discharging a solution after a test in the reactor 6 to the waste liquid tank 3, the detection terminal of the detector 5 is inserted into the reactor 6, the detector 5 is used for detecting the electrochemical index after the reaction of the sample and the reactant in the reactor 6, the reagent A container 8 and the reagent B container 9 are respectively connected into the sample cell 1 through a fourth pump 14 and a fifth pump 15, the fourth pump 14 and the fifth pump 15 are respectively used for adding the reagent A and the reagent B in the reagent A container 8 and the reagent B container 9 into the sample cell 1, and the detected index in the sample cell 1 is balanced;
the control system 7 is respectively electrically connected with the detector 5, the cloud server 10, the first pump 11, the second pump 12, the third pump 13, the fourth pump 14 and the fifth pump 15, the work of each pump is controlled by the control system 7, and the detection result of the detector 5 is transmitted to the cloud server 10;
the reactor 6 is arranged on the magnetic stirring device 4, and the sample and the reactant in the reactor 6 are stirred by the magnetic stirring device 4, so that the sample and the reactant are fully reacted.
The first pump 11, the second pump 12, the third pump 13, the fourth pump 14 and the fifth pump 15 are all peristaltic pumps, a metering device is arranged on each peristaltic pump, and the peristaltic pumps are structurally characterized in that: the oil pump comprises a driving motor 111, a pump head base 112, a sleeve 113, a main shaft 114, a synchronous disc 115, bearings 116, a pump pipe 117, a pressure pipe buckle shell 118 and an end cover 119, wherein a machine body of the driving motor 111 is fixedly arranged at one end of the pump head base 112, the other end of the pump head base 112 is provided with the sleeve 113, the main shaft 114 is movably arranged in the sleeve 113, the axial section of the main shaft 114 is in an I shape, one end of the main shaft 114 is connected with a power output end of the driving motor 111 penetrating through the pump head base 112, a plurality of bearings 116 are sleeved in an annular groove of the main shaft 114, the synchronous disc 115 is of a needle bearing structure, the plurality of needle bearings are circumferentially arrayed at the smallest non-interference interval, the synchronous disc 115 is sleeved on the bearings 116 in the annular groove of the main shaft 114, the outer side of the bearings 116 is attached to the inner side of the synchronous disc 115, two ends of the synchronous disc 115, the synchronous disc 115 can synchronously rotate along with the main shaft 114, and simultaneously, the needle roller bearing of the synchronous disc 115 is supported by the bearing 116 and can rotate, the end cover 119 is fixedly arranged at the end part of the sleeve 113, the synchronous disc 115 is sealed in the sleeve 113, the upper side of the sleeve 113 is provided with a semicircular through hole, so that the needle roller bearing positioned at the upper side of the sleeve 113 is exposed, and one or more pump pipes 117 are pressed on the needle roller bearing through the pressure pipe buckle shell 118;
one end of the crimp buckle 118 is hinged to the pump head base 112 via a buckle closing pin 1110, the other end of the pressure pipe buckle shell 118 is provided with a vertical through hole or a semicircular opening vertical groove 1111, the underside of the vertical through hole or semi-circular open vertical slot 1111 is provided with a switch pin bushing 1112, the upper side of the vertical through hole or the semi-circular opening vertical groove 1111 is provided with a switch pin spring bushing 1112, the switch pin spring bushing 1112 is vertically arranged, and one side of the switch pin spring bushing 1112 is fixedly arranged on the pump head base 112, a spring 1113 is arranged in the switch pin spring bushing 1112, a hand screw 1114 with a cap is inserted in the spring 1113, the hand screw 1114 penetrates through the switch pin spring bushing 1112 and the vertical through hole or the semicircular opening vertical groove 1111 to be in threaded connection with a threaded hole at the upper side of the switch pin bushing 1112, the degree to which the pump tube 117 is pressed by the crimp housing 118 is adjusted by turning the thumb screw 1114; the pump tube 117 is located the both ends of sleeve 113 and all overlaps and is equipped with card pipe seat 1115, the upper portion of card pipe seat 1115 is provided with the U type groove of horizontal setting, pump tube 117 stretches out from the U type groove of card pipe seat 1115, the outside of card pipe seat 1115 is provided with regulating plate 1116, the side of regulating plate 1116 is fixed on pump head seat 112, the vertical slotted hole that is provided with on regulating plate 1116, card pipe seat 1115 is compressed tightly on sleeve 113 through the knurling hand screw 1117 that runs through regulating plate 1116 slotted hole, knurling hand screw 1117 is used for adjusting the upper and lower position of card pipe seat 1115.
The first pump 11, the second pump 12, the third pump 13, the fourth pump 14 and the fifth pump 15 are all diaphragm pumps, and metering devices are arranged on the diaphragm pumps.
The needle roller bearings of the synchronous disc 115 are tightly arranged, the pulsation frequency of the pump pipe 117 is reduced, the medium in the pump pipe 117 is easier to control and more accurate to control, and because the side surfaces of the needle roller bearings are not resistant, the bearings 116 are arranged in the needle roller bearings and used for supporting the needle roller bearings and reducing the damage of the needle roller bearings.
The needle bearing is fixed by the main shaft (pin), the deep groove bearing, the shaft cover, the flange and other parts, the Teflon hose, the needle bearing and the pressure pipe joint buckle shell are wriggle and rub to drive the fluid by the motor driving rotation, the needle bearing is fixed by the main shaft (pin), the deep groove bearing, the shaft cover, the flange and other parts, 1112 needle rollers are driven by the motor driving the needle bearing to rotate to drive the fluid, the pulsation is small, the flow is low, and the precision is high.
The functions of the components of the invention are as follows:
1. a sample cell: a sample pool to be detected;
2. the reaction agent: the reactant is used for reacting with a sample to be detected;
the pump 1: drawing a quantity of sample into the reactor;
and (3) a pump 2: adding a reactant into the reactor, and recording the added amount for calculating a detection result;
and (3) a pump: after the whole detection process is finished, discharging the solution tested in the reactor to a waste liquid barrel to wait for the next detection;
and (4) a pump: adding reagents to the sample cell to increase certain indices of the sample cell;
and (5) a pump: adding a reagent to the sample cell to reduce a certain indicator of the sample cell;
besides the pump 4 and the pump 5, a plurality of pumps for changing the indexes of the sample pool can be provided, the principle is the same, and the pumps are not listed here;
3. the pipeline is connected with a waste liquid barrel: after the detection is finished, discharging the sample in the automatic reactor to a waste liquid barrel for waiting for the next detection;
4. magnetic stirring; the device is used for stirring the mixed liquid of the sample and the reactant in the 6-reactor, so that the reaction is accelerated, and the detection time is shortened;
5. a detector; the electrochemical index after the reaction of the sample and the reactant is detected, and an electrochemical signal is fed back to the control system, and the control system controls the operation and the stop of the pump through the detected index;
6. a reactor: a container for reacting the sample and the reagent;
7. the control system comprises: receiving liquid titrated by a titration pump;
8. reagent A: reagents (such as acidic media) that adjust the elevation of the sample cell index;
9. and (3) reagent B: reagents (such as alkaline media) for adjusting the index drop of the sample cell;
10. cloud server: recording detection data sent by a control system through a network;
the system has several key points:
1. the whole automatic operation, namely the sampling of a sample, the addition of a detection reagent, the stirring, the detection of a reaction result of the reagent and the sample, the calculation and the recording of data and the regulation of indexes of a sample pool are automatically completed;
2. the magnetic stirring is adopted, so that the cleaning and maintenance are convenient;
3. the reagent A and the reagent B are examples, and in actual use, the number of the reagents for adjusting the sample can be 1, or a plurality of the reagents can be provided, which respectively correspond to 1 pump and a plurality of pumps, and several reagents and pumps are needed according to actual requirements.
Through the supporting closed-loop use of pump and infrared detection module, have following several advantages:
1. the index detection of the sample can be automatically completed;
2. the system automatically adjusts the indexes of the sample according to the detection result;
3. the data can be recorded to the cloud server, so that historical data can be conveniently checked
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (3)
1. A system for automatically adding a reagent to maintain sample liquid balance is characterized by comprising a sample cell (1), a reagent container (2), a waste liquid barrel (3), a magnetic stirring device (4), a detector (5), a reactor (6), a control system (7), a reagent A container (8), a reagent B container (9), a cloud server (10), a first pump (11), a second pump (12), a third pump (13), a fourth pump (14) and a fifth pump (15), wherein the sample cell (1) is connected in the reactor (6) through the first pump (11), the first pump (11) is used for conveying a sample solution in the sample cell (1) into the reactor (6), the reagent container (2) is connected in the reactor (6) through the second pump (12), and the second pump (12) is used for adding a reagent in the reactor (6) into the reactor (6), the waste liquid barrel (3) is connected into the reactor (6) through a third pump (13), the third pump (13) is used for discharging a solution tested in the reactor (6) into the waste liquid barrel (3), a detection terminal of the detector (5) is inserted into the reactor (6), the detector (5) is used for detecting an electrochemical index after a sample and a reactant react in the reactor (6), the reagent A container (8) and the reagent B container (9) are respectively connected into the sample pool (1) through a fourth pump (14) and a fifth pump (15), and the fourth pump (14) and the fifth pump (15) are respectively used for adding the reagent A and the reagent B in the reagent A container (8) and the reagent B container (9) into the sample pool (1) and balancing the detected index in the sample pool (1);
the control system (7) is respectively electrically connected with the detector (5), the cloud server (10), the first pump (11), the second pump (12), the third pump (13), the fourth pump (14) and the fifth pump (15), the work of each pump is controlled through the control system (7), and the result detected by the detector (5) is transmitted to the cloud server (10);
the reactor (6) is arranged on the magnetic stirring device (4), and the sample and the reactant in the reactor (6) are stirred by the magnetic stirring device (4) to fully react.
2. The system for automatically adding the reagent to maintain the balance of the sample liquid according to claim 1, wherein the first pump (11), the second pump (12), the third pump (13), the fourth pump (14) and the fifth pump (15) are all peristaltic pumps, a metering device is arranged on each peristaltic pump, and the peristaltic pumps are structured as follows: the novel oil pump comprises a driving motor (111), a pump head base (112), a sleeve (113), a main shaft (114), a synchronous disc (115), a bearing (116), a pump pipe (117), a pressure pipe buckle shell (118) and an end cover (119), wherein a machine body of the driving motor (111) is fixedly arranged at one end of the pump head base (112), the sleeve (113) is arranged at the other end of the pump head base (112), the main shaft (114) is movably arranged in the sleeve (113), the axial section of the main shaft (114) is in an I shape, one end of the main shaft (114) is connected with a power output end of the driving motor (111) penetrating through the pump head base (112), a plurality of bearings (116) are sleeved in an annular groove of the main shaft (114), the synchronous disc (115) is of a needle roller bearing structure, the plurality of needle roller bearings are circumferentially arrayed at the smallest non-interference interval, the synchronous disc (115) is sleeved on the bearing (116) in the annular groove of, the outer side of the bearing (116) is attached to the inner side of the synchronous disc (115), two ends of the synchronous disc (115) are fixedly arranged on the inner sides of two ends of an annular groove of the main shaft (114) respectively, so that the synchronous disc (115) can synchronously rotate along with the main shaft (114), needle bearings of the synchronous disc (115) are supported by the bearing (116) and can rotate, the end cover (119) is fixedly arranged at the end part of the sleeve (113), the synchronous disc (115) is sealed in the sleeve (113), a semicircular through hole is formed in the upper side of the sleeve (113), the needle bearings positioned on the upper side of the sleeve (113) are exposed, and one or more pump pipes (117) are pressed on the needle bearings through the pressing pipe buckling shell (118);
the one end of pressing pipe knot shell (118) articulates on pump head seat (112) through detaining shell shut round pin (1110), press the other end of pressing pipe knot shell (118) to be provided with vertical through-hole or semi-circular opening vertical slot (1111), the downside of vertical through-hole or semi-circular opening vertical slot (1111) is provided with switch round pin bush (1112), the upside of vertical through-hole or semi-circular opening vertical slot (1111) is provided with switch round pin spring bushing (1112), switch round pin spring bushing (1112) vertical setting, just one side of switch round pin spring bushing (1112) is fixed to be set up on pump head seat (112), be provided with spring (1113) in switch round pin spring bushing (1112), hand screw (1114) interpolation of taking the cap is equipped with hand screw (1114), hand screw (1114) run through behind switch round pin spring bushing (1112) and vertical through-hole or semi-circular opening vertical slot (1111) and the screw hole threaded connection of switch round pin bush (1112) upside, the degree of the pressing pipe buckle shell (118) pressing the pump pipe (117) is adjusted by turning a hand screw (1114); pump line (117) are located the both ends of sleeve (113) and all are equipped with cartridge (1115), the upper portion of cartridge (1115) is provided with the U type groove of horizontal setting, pump line (117) stretch out from the U type groove of cartridge (1115), the outside of cartridge (1115) is provided with regulating plate (1116), the side of regulating plate (1116) is fixed on pump head seat (112), the vertical trompil hole that is provided with on regulating plate (1116), cartridge (1115) compresses tightly through knurling hand screw (1117) that runs through regulating plate (1116) trompil hole and fixes on sleeve (113), knurling hand screw (1117) are used for adjusting the upper and lower position of cartridge (1115).
3. The system for automatically adding a reagent to maintain the balance of a sample solution according to claim 1, wherein the first pump (11), the second pump (12), the third pump (13), the fourth pump (14) and the fifth pump (15) are all diaphragm pumps, and a metering device is arranged on each diaphragm pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011402910.4A CN112326364A (en) | 2020-12-04 | 2020-12-04 | System for automatically adding reagent to maintain sample liquid balance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011402910.4A CN112326364A (en) | 2020-12-04 | 2020-12-04 | System for automatically adding reagent to maintain sample liquid balance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112326364A true CN112326364A (en) | 2021-02-05 |
Family
ID=74302128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011402910.4A Pending CN112326364A (en) | 2020-12-04 | 2020-12-04 | System for automatically adding reagent to maintain sample liquid balance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112326364A (en) |
-
2020
- 2020-12-04 CN CN202011402910.4A patent/CN112326364A/en active Pending
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