CN209014507U - Electrochemistry measurement instrument calibrating installation - Google Patents

Electrochemistry measurement instrument calibrating installation Download PDF

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Publication number
CN209014507U
CN209014507U CN201821881698.2U CN201821881698U CN209014507U CN 209014507 U CN209014507 U CN 209014507U CN 201821881698 U CN201821881698 U CN 201821881698U CN 209014507 U CN209014507 U CN 209014507U
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Prior art keywords
flow tube
round
bottomed flask
bottle stopper
calibrating
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CN201821881698.2U
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周中木
王龙
王耀弘
邹倩
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Chongqing Academy of Metrology and Quality Inspection
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Chongqing Academy of Metrology and Quality Inspection
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Abstract

The utility model relates to a kind of electrochemistry measurement instrument calibrating installations, including round-bottomed flask, round-bottomed flask includes bottleneck and body, the bottom of body offers leakage fluid dram to be opened/closed, bottle stopper is equipped in bottleneck, round-bottomed flask connects one end of fluid flow tube by bottle stopper and fluid flow tube and round-bottomed flask inside are connected to, and the other end of fluid flow tube is connected to first flow tube and second flow tube respectively, first flow tube connects titer chamber volume, and second flow tube connects cleaning solution chamber volume;Fluid flow tube is equipped with water pump, is equipped with open and close valve in first flow tube and second flow tube;There is bottle stopper perforative through-hole to be inserted into inside round-bottomed flask for the electrode of electrochemical apparatus to be examined and determine.The utility model construction is compact, each chamber volume and the round-bottomed flask of calibrating are effectively connected into a set of overall structure for facilitating operation, calibrating efficiency is effectively improved while optimizing operation sequence, and can carry out calibrating operation to scene in addition, avoids the inconvenience that electrochemical apparatus is integrally carried out to inspection.

Description

Electrochemistry measurement instrument calibrating installation
Technical field
The utility model belongs to general chemistry or physics laboratory's equipment technical field, and in particular to a kind of electrochemistry metering Utensil calibrating installation.
Background technique
Electrochemistry measurement instrument (electrochemical apparatus) is used after a certain period of time, to ensure that its measurement result is accurate and reliable, It needs effectively to trace to the source to it and (examine and determine), be that instrument uses under normal conditions due to the particularity of electrochemistry measurement instrument Unit is passed to the measurement technology mechanism for implementing of calibrating qualification.In the complete machine metering performance calibrating to electrochemistry measurement instrument When, first instrument auxiliary electrode is sufficiently cleaned with distilled water, then with after the multiple rinse of standard solution under constant temperature conditions to mark Quasi- solution measures, and is repeatedly examined and determine to obtain verification result, is intended to repeat when the standard solution of replacement measurement every time above-mentioned Cleaning process.At present in the calibrating operating process of the measurement technology mechanism with calibrating qualification, general operating process is exactly By manually repeatedly shower, the operation such as clean, dry, process is various, and efficiency is lower, while solution is easy leakage and splashes, and influences work Environment, and operational instrument dispersion is examined and determine, it is not easy to carry out relevant work to scene in addition, be undoubtedly also added to not to inspection process Just.
Summary of the invention
For the above-mentioned deficiency of the prior art, the technical problem to be solved by the present invention is to provide it is a kind of construct it is compact Electrochemistry measurement instrument calibrating installation, avoids that calibrating operational instrument is not easy to carry out on-site proving in addition and calibrating efficiency is low asks Topic improves calibrating efficiency by cleaning automatically, for functions such as sample detections.
In order to solve the above technical problems, the utility model adopts the following technical solution:
Electrochemistry measurement instrument calibrating installation, including round-bottomed flask, the round-bottomed flask include bottleneck and body, the bottle The bottom of body offers leakage fluid dram to be opened/closed, is equipped with bottle stopper in the bottleneck, the round-bottomed flask connects liquid stream by bottle stopper Be connected to inside one end of pipe and fluid flow tube and round-bottomed flask, the other end of fluid flow tube respectively with first flow tube and second flow tube Connection, first flow tube connect titer chamber volume, and second flow tube connects cleaning solution chamber volume;The fluid flow tube It is equipped with water pump, first flow tube is equipped with the first open and close valve, and second flow tube is equipped with the second open and close valve;It is described There is bottle stopper perforative through-hole to be inserted into inside round-bottomed flask for the electrode of electrochemical apparatus to be examined and determine through the through-hole.
The calibrating installation of the utility model can load standard solution in titer chamber volume, in cleaning solution chamber volume Cleaning solution is loaded, before calibrating, the electrode for examining and determine electrochemical apparatus is inserted into inside round-bottomed flask through the through-hole on bottle stopper, the row of closing Liquid mouth, the first open and close valve of standard of closure liquid chamber volume open the second open and close valve of cleaning solution chamber volume, will be cleaned by water pump Cleaning solution in liquid chamber volume is pumped into flask through fluid flow tube, reaches and capacity (generally 2/3 volume of flask) is needed to close water afterwards It pumps, after cleaning electrode, opens leakage fluid dram, closed after the cleaning solution being discharged in round-bottomed flask, repeated aforesaid operations at least 2 times, To guarantee that electrode sufficiently cleans up.Then it is formally detected with after titer rinse electrode 2 times again according to aforesaid operations.Just When formula is examined and determine, leakage fluid dram is closed, closes the second open and close valve of cleaning solution chamber volume, opens the first opening and closing of titer chamber volume Standard solution in titer chamber volume is pumped into flask through fluid flow tube by water pump, reaches and close water after needing capacity by valve Pump, the register instrument indicating value after being stablized by test examination instrument indicating value repeat above-mentioned cleaning, rinse and detection process, take calibrating average value. If also needing to detect other standard solution, can correspond to molten in the other end increase connection Zhi Liuguan of fluid flow tube and corresponding standard Liquid chamber volume, and being rinsed 3 times with cleaning solution according to the method described above, with implementing after standard solution rinse 2 times to be measured to measure.All surveys It needs with cleaning solution after the completion of amount to electrode washing at least 2 times.The utility model construction is compact, provides accommodating standard solution and clear The chamber volume of washing lotion and the round-bottomed flask of calibrating, and a set of overall structure for facilitating operation is effectively connected into, operation letter It is single, calibrating efficiency can be effectively improved, and the calibrating mode of former inspection can be broken through, the calibrating installation of the utility model can be used to fill After filling in related liquid, calibrating operation is carried out to scene in addition, avoids the inconvenience of electrochemical apparatus entirety inspection.
Above-mentioned technical proposal is further improved, the through-hole is set on the central axes of bottle stopper, is equipped in bottle stopper and is led to described The coaxial annular ponding room in hole, the upper surface of bottle stopper offer the connection entrance being connected to the annular ponding room and by described Connection entrance is connect with one end of the fluid flow tube, and the lower surface of bottle stopper offers be connected to the annular ponding room several and is in The spray water distributing pore of diffusion type is with to water distribution inside round-bottomed flask.
In this way, the connection that the electrode of electrochemical apparatus passes through bottle stopper is reliable, and will not be with liquid that may be present in bottle stopper Body is in contact, and guarantees calibrating accuracy;And the spray water distributing pore of diffusion type can simplify cleaning operation process, can make in cleaning clear Washing lotion diffusion sprays, and flows and cleans along round-bottomed flask inner wall, and operation is rocked in reduction, guarantees cleaning effect.
Further, the leakage fluid dram is set on the central axes of round-bottomed flask, and the bottom of the body is also provided at least Two air inlets, all air inlets are uniformly distributed by center equal part of the central axes of round-bottomed flask, and all air inlets pass through air-flow respectively Pipe connects air feed pump, and gas flow tube is equipped with flow controller, and the inlet end of air feed pump is connected with air cleaning drier.
In this way, blowback can be carried out to standard solution before calibrating, play the role of stirring evenly, it is accurate to improve calibrating Property;Blowback can be carried out in cleaning to obtain better cleaning effect, simplify cleaning operation process.
Compared with prior art, the utility model has the following beneficial effects:
1, the utility model construction is compact, provides the chamber volume and calibrating for accommodating standard solution and cleaning solution Round-bottomed flask, and a set of overall structure for facilitating operation is effectively connected into, it is easy to operate, solution is filled by water pump automatically respectively With bottom of bottle low level drain, calibrating efficiency can be effectively improved while optimizing operation sequence.
2, the utility model small volume and less weight can break through the calibrating mode of former inspection, can fill correlation in each chamber volume After liquid, calibrating operation is carried out to scene in addition, avoids the inconvenience that electrochemical apparatus is integrally carried out to inspection.
3, the utility model can effectively improve calibrating efficiency, improve the degree of automation, when effectively avoiding manual operation pair The influence of verification result, at the same when reducing manual operation human contact's liquid injury risk.
4, the convenient and reliable operation of the utility model can effectively ensure that verification result is accurate and reliable.
Detailed description of the invention
The structural schematic diagram of the electrochemistry measurement instrument calibrating installation of Fig. 1-specific embodiment one;
The structural schematic diagram of the electrochemistry measurement instrument calibrating installation of Fig. 2-specific embodiment two;
The structural schematic diagram that bottle stopper is individually illustrated in Fig. 3-specific embodiment two;
Wherein, round-bottomed flask 1, bottleneck 11, bottle stopper 111, annular ponding room 112 spray water distributing pore 113, and through-hole 114 connects Access port 115, body 12, leakage fluid dram 121, plug 122, air inlet 123, fluid flow tube 2, water pump 21, first flow tube 22, first Open and close valve 23, titer chamber volume 24, second flow tube 25, the second open and close valve 26, cleaning solution chamber volume 27, gas flow tube 3, gas supply Pump 31, flow controller 32, air cleaning drier 33, electrode 4.
Specific embodiment
Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawing.
Embodiment one
Referring to Fig. 1, the electrochemistry measurement instrument calibrating installation of specific embodiment, including round-bottomed flask 1, the round-bottomed flask 1 includes bottleneck 11 and body 12, and the bottom of the body 12 offers leakage fluid dram 121, and the leakage fluid dram 121 is connected with plug 122 to play sealing process, and bottle stopper 111 is connected in the bottleneck 11, and the bottle stopper 111 can be bottle closure of rubber.This calibrating Device further includes fluid flow tube 2, one end of fluid flow tube 2 pass through the bottle stopper 111 and be connected to inside round-bottomed flask 1, fluid flow tube 2 The other end is connected to first flow tube 22 and second flow tube 25 respectively, and first flow tube 22 connects titer chamber volume 24, second flow tube 25 connects cleaning solution chamber volume 27;The fluid flow tube 2 is equipped with water pump 21, first flow tube 22 are equipped with the first open and close valve 23, and second flow tube 25 is equipped with the second open and close valve 26;The bottle stopper 111 also has another A perforative through-hole is inserted into inside round-bottomed flask 1 for the electrode 4 of electrochemical apparatus to be examined and determine through the through-hole, because of bottle stopper 111 be bottle closure of rubber, the diameter of through-hole variable-size due to flexible deformation, to be inserted into the electrode 4 of different-diameter.
Wherein, the leakage fluid dram 121 is set on the central axes of round-bottomed flask 1, institute coaxial with the central axes of round-bottomed flask 1 The bottom for stating body 12 is also provided with two air inlets 123, and two air inlets 123 are in revolution with the central axes of round-bottomed flask 1 The heart is uniformly distributed in equal part, and two air inlets 123 connect air feed pump 31 by gas flow tube 3 respectively, and the gas flow tube 3 is equipped with flow control Device 32 processed, the inlet end of air feed pump 31 are connected with air cleaning drier 33.
For ease of understanding, use process is described below:
The constant temperature that verification process needs is provided by water-bath, water is added in water-bath, by heating device to water Bath, which carries out heating, makes the water in water-bath keep constant temperature;Titer chamber volume 24 and cleaning solution chamber volume 27 can be placed in constant temperature To provide constant temperature (water pump 21 and each open and close valve are not interposing in water-bath to operate), titer chamber volume 24 in water-bath It is inside filled with standard solution, cleaning solution is filled in cleaning solution chamber volume 27, before calibrating, the electrode 4 of electrochemical apparatus will be examined and determine Inside the through-hole insertion round-bottomed flask 1 on bottle stopper 111, leakage fluid dram 121 is in close state, and is closed the first open and close valve 23, is beaten The second open and close valve 26 is opened, is pumped into the cleaning solution in cleaning solution chamber volume 27 in round-bottomed flask 1 through fluid flow tube 2 by water pump 21, Reach and switch off the pump 21 after needing capacity, after cleaning electrode 4, opens leakage fluid dram 121, the cleaning solution in round-bottomed flask 1 is discharged After close, repeat aforesaid operations at least twice, to guarantee that electrode 4 sufficiently cleans up.Then standard is used again according to aforesaid operations Liquid rinse electrode 4 is formally detected after twice.When formal calibrating, leakage fluid dram 121 is closed using plug 122, by round-bottomed flask 1 Body 12 be placed in water-bath to provide constant temperature, close the second open and close valve 26, open the first open and close valve 23, pass through water pump 21 are pumped into the standard solution in titer chamber volume 24 in round-bottomed flask 1 through fluid flow tube 2, reach and switch off the pump after needing capacity 21, the register instrument indicating value after being stablized by test examination instrument indicating value repeats above-mentioned cleaning, rinse and detection process, takes calibrating average value. It is all be measured after need with cleaning solution to electrode 4 cleaning at least twice.In use process, air feed pump can be passed through before calibrating 31 and air inlet 123 to standard solution carry out blowback, play the role of stirring evenly, to improve calibrating accuracy;In cleaning, profit Can also be carried out when washing blowback preferably to be cleaned, rinse effect, simplify operating process, air inlet is adjusted in flow controller 32 It measures and prevents liquid from flowing backwards.
The utility model construction is compact, provides the chamber volume of accommodating standard solution and cleaning solution and the circle of calibrating Bottom flask, and a set of overall structure for facilitating operation is effectively connected into, it is easy to operate, calibrating efficiency can be effectively improved, and can dash forward The calibrating mode of broken original inspection, can be used the calibrating installation of the utility model after filling related liquid, be connected to water-bath and Heating device composition verification system carries out calibrating operation to scene in addition, avoids the inconvenience of electrochemical apparatus entirety inspection.
Embodiment two
Referring to fig. 2, Fig. 3, embodiment two and implement one the difference is that bottle stopper 111 construction, in embodiment two, institute Through-hole 114 is stated on the central axes of bottle stopper 111, the annular ponding room 112 coaxial with the through-hole 114 is equipped in bottle stopper 111, The upper surface of bottle stopper 111 offers the connection entrance 115 being connected to the annular ponding room 112 and by the connection entrance 115 connect with one end of the fluid flow tube 2, the lower surface of bottle stopper 111 offer be connected to the annular ponding room 112 it is several In the spray water distributing pore 113 of diffusion type with to 1 inside water distribution of round-bottomed flask.In this way, the electrode 4 of electrochemical apparatus passes through bottle stopper 111 connection is reliable, and will not be in contact with liquid that may be present in bottle stopper 111, guarantees calibrating accuracy;And diffusion type Spray water distributing pore 113 can simplify cleaning operation process, cleaning when can make cleaning solution diffusion spray, along 1 inner wall of round-bottomed flask It flows and cleans, operation is rocked in reduction, guarantees cleaning effect.
When implementation, changeable multichannel one-way pump is can be used in water pump 21, to be examined and determine according to different electrochemistry measurement instruments It needs, corresponding increase and decrease Zhi Liuguan and standard solution chamber volume are to expand the scope of application, and the volume of water pump is preferably small, such as HCKG Micro-air compressor, such as the 00H220H020 type of nidec, the body of pump can be used in 24W12M28R29B type etc., air feed pump 31 Product is small, convenient for implementing calibrating in addition;First open and close valve 23 and the simple shut-off valve of 26 preferred structure of the second open and close valve reduce manufacture Cost also can choose reliable ball valve, as long as realizing opening and closing function;Flow controller 32 can also be substituted by check valve, Enter gas can in round-bottomed flask 1, and the liquid in round-bottomed flask 1 will not flow to air feed pump 31, and air inlet Amount can be adjusted by air feed pump 31.
The opening and closing of the leakage fluid dram 121 of the present embodiment realized by plug 122, can also be using outside leakage fluid dram 121 when implementation The structure of open and close valve is connect, is implemented so that the operating process of drain and closing is more convenient.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model It encloses, should all cover in the scope of the claims of the utility model.

Claims (3)

1. electrochemistry measurement instrument calibrating installation, including round-bottomed flask, the round-bottomed flask include bottleneck and body, feature exists In: the bottom of the body offers leakage fluid dram to be opened/closed, is equipped with bottle stopper in the bottleneck, the round-bottomed flask passes through bottle stopper One end of fluid flow tube and fluid flow tube and round-bottomed flask inside is connected to be connected to, the other end of fluid flow tube respectively with first flow tube and the Two flow tube connections, first flow tube connect titer chamber volume, and second flow tube connects cleaning solution chamber volume;Institute Fluid flow tube is stated equipped with water pump, first flow tube is equipped with the first open and close valve, and second flow tube is equipped with second and opens Valve closing;The bottle stopper has electrode of the perforative through-hole for electrochemical apparatus to be examined and determine through in through-hole insertion round-bottomed flask Portion.
2. electrochemistry measurement instrument calibrating installation according to claim 1, it is characterised in that: the through-hole is set in bottle stopper On axis, the annular ponding room coaxial with the through-hole is equipped in bottle stopper, the upper surface of bottle stopper offers and the annular ponding The connection entrance of room connection is simultaneously connect with one end of the fluid flow tube by the connection entrance, the lower surface of bottle stopper offer and It is described annular ponding room connection several spray water distributing pores in diffusion type with to round-bottomed flask inside water distribution.
3. electrochemistry measurement instrument calibrating installation according to claim 1 or claim 2, it is characterised in that: the leakage fluid dram is set to circle On the central axes of bottom flask, the bottom of the body is also provided at least two air inlets, and all air inlets are with round-bottomed flask Central axes are uniformly distributed for center equal part, and all air inlets connect air feed pump by gas flow tube respectively, and gas flow tube is equipped with flow control Device, the inlet end of air feed pump are connected with air cleaning drier.
CN201821881698.2U 2018-11-15 2018-11-15 Electrochemistry measurement instrument calibrating installation Active CN209014507U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821881698.2U CN209014507U (en) 2018-11-15 2018-11-15 Electrochemistry measurement instrument calibrating installation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821881698.2U CN209014507U (en) 2018-11-15 2018-11-15 Electrochemistry measurement instrument calibrating installation

Publications (1)

Publication Number Publication Date
CN209014507U true CN209014507U (en) 2019-06-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821881698.2U Active CN209014507U (en) 2018-11-15 2018-11-15 Electrochemistry measurement instrument calibrating installation

Country Status (1)

Country Link
CN (1) CN209014507U (en)

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