阅读说明：本技术 一种用于多参数水质分析仪的检定设备 (Verification equipment for multi-parameter water quality analyzer ) 是由 卓文钦 徐聪恩 王一民 单佳盈 施旭丹 于 2020-12-14 设计创作，主要内容包括：本发明公开了一种用于多参数水质分析仪的检定设备,包括一底座,底座上开设有恒温水槽,恒温水槽具有一开口的储水腔；一面板,面板覆盖在储水腔上,且面板上开设有多个用于搁置烧杯的搁置孔；一操作台,操作台固定在底座上；一酸度计检定仪,酸度计检定仪设置在操作台上,且酸度计检定仪具有一检测探头；一交流电阻箱,交流电阻箱设置在操作台上,且交流电阻箱具有多个裸露在外的接线柱；一翻转板,翻转板通过翻转机构设置在底座上,翻转机构的下端设置有多个与搁置孔相对应的夹持机构；一散热腔,散热腔开设在底座的侧壁上,且散热腔内可移动设置有用于放置烧杯的放置板；优点是能进行整合检定且操作较为方便。(The invention discloses a calibrating device for a multi-parameter water quality analyzer, which comprises a base, wherein a constant-temperature water tank is arranged on the base and is provided with a water storage cavity with an opening; the panel covers the water storage cavity and is provided with a plurality of placing holes for placing the beakers; the operating platform is fixed on the base; the acidimeter calibrating instrument is arranged on the operating table and is provided with a detection probe; the alternating current resistance box is arranged on the operating platform and is provided with a plurality of exposed binding posts; the turnover plate is arranged on the base through the turnover mechanism, and the lower end of the turnover mechanism is provided with a plurality of clamping mechanisms corresponding to the placing holes; the heat dissipation cavity is formed in the side wall of the base, and a placing plate for placing the beaker is movably arranged in the heat dissipation cavity; the advantage is that can integrate the examination and operate comparatively conveniently.)

1. The utility model provides a verification equipment for multi-parameter water quality analyzer which characterized in that: comprises that

The water storage device comprises a base, a water storage cavity and a water outlet, wherein the base is provided with a constant-temperature water tank which is provided with an opening;

the panel covers the water storage cavity and is provided with a plurality of placing holes for placing the beakers;

the operating platform is fixed on the base;

the acidimeter calibrating instrument is arranged on the operating platform and is provided with a detection probe;

the alternating current resistance box is arranged on the operating platform and is provided with a plurality of exposed binding posts;

the turnover plate is arranged on the base through a turnover mechanism, and a plurality of clamping mechanisms corresponding to the placing holes are arranged at the lower end of the turnover mechanism;

the heat dissipation cavity is arranged on the side wall of the base, and a placing plate used for placing the beaker is movably arranged in the heat dissipation cavity.

2. A certification equipment for a multi-parameter water quality analyzer according to claim 1, wherein: the turnover mechanism comprises a motor, a rotating gear and a sector gear meshed with the rotating gear, wherein a first shaft connecting plate and a second shaft connecting plate are respectively fixed on two sides of the base in an upward inclining manner, a first rotating shaft and a second rotating shaft are respectively fixed on two sides of the turnover plate, the first rotating shaft is connected to the first shaft connecting plate in a shaft-to-shaft manner, one end of the first rotating shaft penetrates through the first shaft connecting plate and then is fixed with the sector gear, the rotating gear is coaxially fixed with an output shaft of the motor, the motor is fixed on one side of the operating platform, the second rotating shaft is connected to the second shaft connecting plate in a shaft-to-shaft manner, one end of the second rotating shaft penetrates through the second shaft connecting plate and then is connected with a guide plate, a guide shaft is fixed on the inner side of the guide plate, and an arc-shaped guide groove is formed between the operating platform and the base, one end of the guide shaft is slidably arranged in the arc-shaped guide groove.

3. A certification equipment for a multi-parameter water quality analyzer according to claim 2, wherein: fixture include the hinge bar and with the upper end fixed clamping head mutually of hinge bar, the lower extreme of returning face plate seted up a plurality of holding tanks, the lower extreme coupling of hinge bar be in the holding tank in, the clamping head on set up a plurality of with the centre gripping hole of test tube looks adaptation, every the centre gripping hole be equipped with respectively with the inlet port of external intercommunication.

4. A certification equipment for a multi-parameter water quality analyzer according to claim 1, wherein: the top in heat dissipation chamber be provided with one be used for with steam exhaust to the base outside fan, place the board with the heat dissipation chamber between be provided with sliding assembly, place the board on still set up a plurality of standing grooves that are used for placing the beaker.

5. A certification equipment for a multi-parameter water quality analyzer according to claim 1, wherein: the bottom of constant temperature basin be fixed with the heating pipe, the heating pipe be connected with the power electricity, the water storage intracavity be provided with temperature probe, the operation panel on be fixed with temperature monitor, temperature probe with temperature monitor electricity be connected.

6. A certification equipment for a multi-parameter water quality analyzer according to claim 5, wherein: the side wall of the base or the operating platform is connected with an air pressure gauge of an empty box.

7. A certification equipment for a multi-parameter water quality analyzer according to claim 4, wherein: constant temperature basin in be provided with microbubble and take place the mechanism, microbubble take place the mechanism and include aeration dish and air pump, the aeration dish fix constant temperature basin's bottom, just the aeration dish on be provided with the trachea of a plurality of vertical distributions, tracheal one end stretch into the water storage chamber, the gas outlet of air pump be connected with first pipeline, first pipeline on be provided with the check valve, the aeration dish pass through the second pipeline with first pipeline be linked together.

8. A certification equipment for a multi-parameter water quality analyzer according to claim 7, wherein: the base in still be provided with the water pump, the water pump on connect in third pipeline and fourth pipeline, the third pipeline with the second pipeline be linked together, the fourth pipeline stretch out the base after be connected with the valve.

9. A certification equipment for a multi-parameter water quality analyzer according to claim 7, wherein: the constant-temperature water tank is internally provided with a detachable partition board, the partition board divides the water storage cavity into a first area and a second area, and the aeration disc is positioned in the first area.

10. A certification equipment for a multi-parameter water quality analyzer according to claim 1, wherein: and universal wheels are respectively fixed at four corners of the base.

Technical Field

The invention relates to the field of multi-parameter water quality analyzers, in particular to a calibrating device for a multi-parameter water quality analyzer.

Background

With the rapid development of social economy and the acceleration of the urbanization and industrialization process, a large amount of urban domestic sewage and industrial wastewater is discharged into rivers, lakes and reservoirs, so that the problems of serious pollution of surface water and underground water and water pollution are increasingly prominent, and daily water and domestic water of people face serious threats and challenges. The quality of water resources is continuously reduced, the water environment is continuously deteriorated, water shortage and accidents caused by pollution are continuously caused, not only is the factory stopped, the agriculture reduced and even totally harvested, but also the ecological environment is greatly damaged, the sustainable development of the society is seriously threatened, the survival of human beings is seriously threatened, and the water quality monitoring industry which is used as the field of environmental protection and subdivision is also valued by all levels of government departments.

The traditional water quality detecting instrument detects some toxic substances, such as: phenol, cyanogen, arsenic, lead, chromium, cadmium, mercury, organic pesticides and the like can only detect a single parameter, namely, one instrument can only detect one parameter, and various parameters cannot be detected on the same instrument. When a complex water sample is encountered, if part of industrial and mining enterprises steal and discharge wastewater and sewage, the water body becomes more and more complex, and the instruments cannot rapidly carry out effective quantitative analysis on the water body, so that a multi-parameter water quality analyzer appears on the market, and can detect various parameters such as pH, ORP, dissolved oxygen, conductivity, turbidity, temperature and the like of the water solution on the same instrument.

However, the accuracy of the multi-parameter water quality analyzer may vary after the multi-parameter water quality analyzer is used for a period of time, and thus, the multi-parameter water quality analyzer needs to be periodically verified. At present, during verification, because the multi-parameter water quality analyzer has more verification parameters, a plurality of different standard detection instruments are usually needed to verify the multi-parameter water quality analyzer, for example, an acidimeter verification instrument can perform verification on the multi-parameter water quality analyzer in the aspect of a pH module electrometer, and a pH standard solution, for example: the mixed phosphate, borax and potassium hydrogen phthalate can be used for detecting the aspect of a pH module electrode; the special alternating current resistance box can be used for detecting the electronic unit of the conductivity module of the multi-parameter water quality analyzer; the standard substance of the potassium chloride conductivity solution can be used for detecting the aspect of the conductivity module electrode; the water turbidity standard substance can be used for carrying out turbidity detection on a multi-parameter water quality analyzer; the constant temperature water tank meets the requirement of the verification regulation of the dissolved oxygen analyzer, and the value of the saturated dissolved oxygen in water is calculated by an interpolation method through the temperature provided by a standard mercury thermometer and the atmospheric pressure provided by an empty box barometer, so that the dissolved oxygen module of the multi-parameter water quality analyzer can be verified.

In actual work, the modules of the multi-parameter water quality analyzer are respectively verified by adopting various metering devices, frequent cable disassembly and assembly are needed, verification work is complicated, and the required metering devices cannot be aligned at one time sometimes, so that the verification work cannot be carried out.

Disclosure of Invention

In order to solve the defects in the prior art, the invention provides a calibration device for a multi-parameter water quality analyzer, which can perform integrated calibration and is convenient to operate.

The technical scheme adopted by the invention for solving the technical problems is as follows: a verification device for a multi-parameter water quality analyzer comprises

The water storage device comprises a base, a water storage cavity and a water outlet, wherein the base is provided with a constant-temperature water tank which is provided with an opening;

the panel covers the water storage cavity and is provided with a plurality of placing holes for placing the beakers;

the operating platform is fixed on the base;

the acidimeter calibrating instrument is arranged on the operating platform and is provided with a detection probe;

the alternating current resistance box is arranged on the operating platform and is provided with a plurality of exposed binding posts;

the turnover plate is arranged on the base through a turnover mechanism, and a plurality of clamping mechanisms corresponding to the placing holes are arranged at the lower end of the turnover mechanism;

the heat dissipation cavity is arranged on the side wall of the base, and a placing plate used for placing the beaker is movably arranged in the heat dissipation cavity.

The turnover mechanism comprises a motor, a rotating gear and a sector gear meshed with the rotating gear, wherein a first shaft connecting plate and a second shaft connecting plate are respectively fixed on two sides of the base in an upward inclining manner, a first rotating shaft and a second rotating shaft are respectively fixed on two sides of the turnover plate, the first rotating shaft is connected to the first shaft connecting plate in a shaft-to-shaft manner, one end of the first rotating shaft penetrates through the first shaft connecting plate and then is fixed with the sector gear, the rotating gear is coaxially fixed with an output shaft of the motor, the motor is fixed on one side of the operating platform, the second rotating shaft is connected to the second shaft connecting plate in a shaft-to-shaft manner, one end of the second rotating shaft penetrates through the second shaft connecting plate and then is connected with a guide plate, a guide shaft is fixed on the inner side of the guide plate, and an arc-shaped guide groove is formed between the operating platform and the base, one end of the guide shaft is slidably arranged in the arc-shaped guide groove. In this structure, when motor drive rotating gear rotates, also synchronous rotation with rotating gear engaged's sector gear, because sector gear and first pivot are fixed connection, consequently can finally drive the returning face plate and rotate around first pivot, when the returning face plate is in the horizontality, the realization is covered on the panel, can have the space to place like this and treat the multi-parameter water quality analyzer or other article of examination, when the returning face plate is in vertical state, can cover operating panel's operation interface, prevent the maloperation, adopt gear drive still to have good auto-lock performance, difficult upset under the condition that does not have external force, the guiding axle cooperatees with the arc guide way, on the one hand has the guide effect, on the other hand still plays limiting displacement, prevent that rotation angle is too big.

Fixture include the hinge bar and with the upper end fixed clamping head mutually of hinge bar, the lower extreme of returning face plate seted up a plurality of holding tanks, the lower extreme coupling of hinge bar be in the holding tank in, the clamping head on set up a plurality of with the centre gripping hole of test tube looks adaptation, every the centre gripping hole be equipped with respectively with the inlet port of external intercommunication. In this structure, when the returning face plate is in vertical state, overturn the hinge rod from holding the groove for the centre gripping test tube of being convenient for like this is located the top of thermostatic bath, thereby need not artifical long-time centre gripping, makes things convenient for operating personnel.

The top in heat dissipation chamber be provided with one be used for with steam exhaust to the base outside fan, place the board with the heat dissipation chamber between be provided with sliding assembly, place the board on still set up a plurality of standing grooves that are used for placing the beaker. In this structure, the setting of fan does benefit to and arranges the hot-air escape of base to the heat dissipation chamber, owing to place the board and place placing the intracavity, can fast drying be located the beaker of placing on the board like this, simple structure and practicality.

The bottom of constant temperature basin be fixed with the heating pipe, the heating pipe be connected with the power electricity, the water storage intracavity be provided with temperature probe, the operation panel on be fixed with temperature monitor, temperature probe with temperature monitor electricity be connected. In this structure, heat the constant temperature basin after the heating pipe circular telegram, the hydroenergy that makes the water storage chamber can reach required temperature, temperature probe is used for the temperature of real-time detection water storage intracavity water, and feed back to temperature monitor, temperature probe, temperature monitor and heating pipe are connected with the controller electricity respectively, in case temperature probe detects when the temperature of water storage intracavity water does not reach required temperature, feed back to the controller, the controller is then the work of control heating pipe, in case reach required temperature after, temperature probe feeds back to the controller once more, the controller then controls the heating pipe stop heating, from this realize the constant temperature of water storage intracavity water.

The side wall of the base or the operating platform is connected with an air pressure gauge of an empty box. In this structure, the air pressure gauge of the empty box is the prior art, and is used for detecting the air pressure value of the current environment.

Constant temperature basin in be provided with microbubble and take place the mechanism, microbubble take place the mechanism and include aeration dish and air pump, the aeration dish fix constant temperature basin's bottom, just the aeration dish on be provided with the trachea of a plurality of vertical distributions, tracheal one end stretch into the water storage chamber, the gas outlet of air pump be connected with first pipeline, first pipeline on be provided with the check valve, the aeration dish pass through the second pipeline with first pipeline be linked together. In this structure, the setting of microbubble emergence mechanism is used for producing the bubble, on the one hand can make the hydrologic cycle in the water storage cavity quicker, thereby make the temperature reach required temperature when examining and determine fast, on the other hand is because under the uniform temperature and certain atmospheric pressure environment, the saturated dissolved oxygen numerical value of aquatic is invariable, adopt the form of tympanic bulla, make the saturated dissolved oxygen of aquatic reach the saturation, start microbubble emergence mechanism stirring water, it is even to make the saturated dissolved oxygen distribution of aquatic, be convenient for measure, the process that its bubble produced is, air pump work, the gas that produces loops through first pipeline, the check valve, enter into the water storage cavity behind second pipeline and the trachea, wherein the setting of check valve only allows gaseous one-way flow, avoid water to flow backward among the air pump.

The base in still be provided with the water pump, the water pump on connect in third pipeline and fourth pipeline, the third pipeline with the second pipeline be linked together, the fourth pipeline stretch out the base after be connected with the valve. In this structure, the setting of water pump does benefit to the water in quick discharge water storage chamber, and when the water pump during operation, air pump stop work, the water of water pump extraction loops through discharge behind trachea, second pipeline, third pipeline and the fourth pipeline to make the drainage comparatively convenient, also can carry out the water injection operation with the external water receiving pipe in addition.

The constant-temperature water tank is internally provided with a detachable partition board, the partition board divides the water storage cavity into a first area and a second area, and the aeration disc is positioned in the first area. In the structure, the partition board is connected with the constant-temperature water tank in an inserting mode, the aeration disc is located in the first area, oxygen in water in the first area can be saturated, the other part of the water is used for measuring pH and conductivity parameters, the constant temperature is only needed for the measurement, the aeration disc is not needed, when water is drained to the outside, the partition board is moved away, the first area and the second area are in a communicated state, and therefore water is drained conveniently.

And universal wheels are respectively fixed at four corners of the base. In this structure, the setting of universal wheel is convenient for remove wholly.

Compared with the prior art, the invention has the advantages that: the constant-temperature water tank is arranged to provide a constant-temperature environment so as to meet the temperature required by the regulation requirement; the panel is arranged to cover the water storage cavity, so that on one hand, heat exchange between water in the water storage cavity and the outside can be reduced to slow down temperature drop, and on the other hand, the beaker can be placed in a space and is contacted with the water in the water storage cavity through the placing hole arranged on the panel; the acidimeter calibrating instrument is arranged for measuring the pH module electrode of the multi-parameter water quality analyzer, and when the acidimeter calibrating instrument is used, only the detection probe is connected to the pH module end of the multi-parameter water quality analyzer; the alternating current resistance box is the prior art, the main multi-parameter water quality analyzer is used for detecting the electronic unit of the conductivity module, and when the alternating current resistance box is used, only the end of the conductivity module of the multi-parameter water quality analyzer is connected with a corresponding binding post through a lead; the turnover plate is arranged on the base through the turnover mechanism, so that the turnover plate can be covered on a panel or an operation interface of an operation table, when the turnover plate is covered on the panel, a multi-parameter water quality analyzer to be detected can be placed on the turnover plate, the risk of falling into a constant-temperature water tank is avoided, manual holding is not needed, when the turnover plate is in a vertical state, the operation interface of the operation table can be covered, misoperation is prevented, a clamping mechanism is arranged for clamping a test tube, manual clamping is not needed, and convenience is brought to operators; the arrangement of the heat dissipation cavity is beneficial to timely discharging hot gas in the base, and in addition, the heat dissipation cavity can be used for storing and placing the beaker, the beaker can be quickly dried, and the structure is more practical; the invention can carry out integration verification and is convenient to operate.

Drawings

FIG. 1 is a schematic perspective view of the roll-over panel of the present invention in a horizontal position;

FIG. 2 is a schematic perspective view of the roll-over panel of the present invention in a vertical position;

FIG. 3 is a schematic perspective view of the clamping mechanism of the present invention when it is turned out of the accommodating groove;

FIG. 4 is a schematic structural view of the heating pipe and the thermostatic water tank in the invention;

FIG. 5 is a schematic perspective view of an aeration plate according to the present invention;

fig. 6 is a schematic structural view of a microbubble generation mechanism according to the present invention;

fig. 7 is a schematic perspective view of the exploded embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and examples, but the present invention is not limited thereto.

The first embodiment is as follows: as shown in the figure, the calibrating device of the multi-parameter water quality analyzer comprises

A base 1, wherein a constant temperature water tank 11 is arranged on the base 1, and the constant temperature water tank 11 is provided with an open water storage cavity 12;

the panel 2 covers the water storage cavity 12, and a plurality of placing holes 21 for placing the beakers are formed in the panel 2;

the operation table 3 is fixed on the base 1;

the acidimeter calibrating instrument 4 is arranged on the operating platform 3, and the acidimeter calibrating instrument 4 is provided with a detection probe 41;

an AC resistance box 5, the AC resistance box 5 is arranged on the operation table 3, and the AC resistance box 5 is provided with a plurality of exposed binding posts 51;

the turnover plate 91 is arranged on the base through a turnover mechanism 92, and the lower end of the turnover mechanism 92 is provided with a plurality of clamping mechanisms 96 corresponding to the placing holes;

the heat dissipation cavity 16 is arranged on the side wall of the base, and a placing plate 17 for placing the beaker is movably arranged in the heat dissipation cavity 16.

When the device is used for detecting the pH electric meter module of the multi-parameter water quality analyzer, the pH module probe of the multi-parameter water quality analyzer can be connected with the detection probe 41 of the acidimeter detecting instrument 4, and the detection work in the relevant aspect is carried out. When the electronic unit of the conductivity module is detected, the terminal of the conductivity module of the multi-parameter water quality analyzer is connected with the binding post 51 of the corresponding alternating current resistance box 5 through a lead, and the related detection work is carried out.

When the electrodes of each module of the multi-parameter water quality analyzer are detected, the water in the water storage cavity 12 is heated to the required temperature, and then different standard solutions are placed in a beaker. For example, when performing the detection on the pH module electrode of the multi-parameter water quality analyzer, it is also possible to use a method of placing a pH standard solution in a beaker, such as: mixing phosphate, borax or potassium hydrogen phthalate solution, extending a pH module probe of the multi-parameter water quality analyzer into a beaker, and if the error between the displayed numerical value and the indicating value of the standard solution meets the metering requirement, indicating that the analyzer can be normally used.

When the electrode of the conductivity module of the multi-parameter water quality analyzer is detected, a standard potassium chloride conductivity solution standard substance is placed in a beaker, a probe of the conductivity module is extended into the solution, and if the error between the numerical value displayed by the multi-parameter water quality analyzer and the indication value of the standard solution meets the measurement requirement, the instrument can be normally used.

When a turbidity module of the multi-parameter water quality analyzer is detected, a standard water turbidity solution is placed in the beaker, and when the turbidity module is detected, a probe of the multi-parameter water quality analyzer turbidity module is stretched into the solution, and if the numerical value displayed by the multi-parameter water quality analyzer and the indication value error of the standard solution meet the measurement requirement, the instrument can be normally used.

When the dissolved oxygen module of the multi-parameter water quality analyzer is detected, because the value of the saturated dissolved oxygen in water is constant under a certain temperature and a certain atmospheric pressure environment, the probe of the dissolved oxygen module of the multi-parameter water quality analyzer is stretched into the water storage cavity 12 based on a certain temperature, and if the numerical value displayed by the multi-parameter water quality analyzer and the indication error of the value of the saturated dissolved oxygen in water obtained by the interpolation method under the current environment meet the measurement requirement, the instrument can be normally used.

Example two: as shown in the figures, the other structure is the same as the first embodiment, and the difference is that the turnover mechanism 92 includes a motor 921, a rotating gear 922 and a sector gear 923 engaged with the rotating gear 922, two sides of the base are respectively fixed with a first axial plate 18 and a second axial plate 19 in an upward inclined manner, two sides of the turnover plate 91 are respectively fixed with a first rotating shaft 911 and a second rotating shaft 912, the first rotating shaft 911 is coupled to the first axial plate 18, one end of the first rotating shaft 911 passes through the first axial plate 18 and then is fixed with the sector gear 923, the rotating gear 922 is coaxially fixed with an output shaft of the motor 921, the motor 921 is fixed at one side of the console, the second rotating shaft 912 is coupled to the second axial plate 19, one end of the second rotating shaft 912 passes through the second axial plate 19 and then is connected with a guide plate 93, a guide shaft 94 is fixed at the inner side of the guide plate 93, an arc-shaped guide, one end of the guide shaft 94 is slidably disposed in the arc-shaped guide groove 95. In this structure, when motor 921 drive rotating gear 922 rotates, sector gear 923 with rotating gear 922 meshing also rotates in step, because sector gear 923 and first pivot 911 are fixed connection, consequently, can finally drive returning face plate 91 and rotate around first pivot 911, when returning face plate 91 is in the horizontality, the realization is covered on the panel, can have the space to place like this and treat the multi-parameter water quality analyzer or other article of examination, when returning face plate 91 is in vertical state, can cover operating panel's operation interface, prevent the maloperation, adopt gear drive still to have good auto-lock performance, difficult upset under the condition that does not have external force, guiding axle 94 cooperatees with arc guide way 95, on the one hand has the guide effect, on the other hand still plays limiting displacement, prevent that turnover angle is too big.

Fixture 96 includes articulated rod 961 and the clamping head 962 fixed mutually with articulated rod 961's upper end, and a plurality of holding tanks 913 have been seted up to the lower extreme of returning face plate 91, and articulated rod 961's lower extreme coupling is in holding tank 913, sets up a plurality of clamping holes 963 with test tube looks adaptation on the clamping head 962, and every clamping hole 963 is equipped with the inlet port 964 with external intercommunication respectively. In this structure, when the returning face plate 91 is in vertical state, overturn out hinge bar 961 from holding tank 913 for holding head 962 is located the top of thermostatic water groove, the centre gripping test tube of being convenient for like this, thereby need not artifical long-time centre gripping, makes things convenient for operating personnel.

The top of the heat dissipation cavity 16 is provided with a fan 101 for discharging hot air out of the base, a sliding assembly 102 is arranged between the placing plate 17 and the heat dissipation cavity 16, and the placing plate 17 is further provided with a plurality of placing grooves for placing beakers. In this structure, fan 101's setting does benefit to the hot-air outgoing of base to heat dissipation chamber 16, owing to place board 17 and place placing the intracavity, can fast drying be located the beaker of placing on board 17 like this, simple structure and practicality.

A heating pipe 13 is fixed at the bottom of the constant temperature water tank 11, and the heating pipe 13 is electrically connected with a power supply. In this structure, the heating pipe 13 is powered on to heat the constant temperature water tank 11, so that the water in the water storage cavity 12 can reach the required temperature.

A temperature probe 61 is arranged in the water storage cavity 12, a temperature display 62 is fixed on the operation table 3, and the temperature probe 61 is electrically connected with the temperature display 62. In this structure, temperature probe 61 is used for the temperature of real-time detection water storage chamber 12 water, and feed back to temperature monitor 62, temperature probe 61, temperature monitor 62 and heating pipe 13 are connected with the controller electricity respectively, in case temperature probe 61 detects the temperature of water storage chamber 12 water and does not reach required temperature when, feed back to the controller, the controller is then the work of control heating pipe 13, in case reach required temperature after, temperature probe 61 feeds back to the controller once more, the controller then controls heating pipe 13 and stops heating, realize the constant temperature of water storage chamber 12 water from this.

The base 1 can be internally provided with a totally-enclosed compressor refrigerating system which acts on the constant-temperature water tank 11, the totally-enclosed compressor refrigerating system is in the prior art, and the totally-enclosed compressor refrigerating system is provided with multiple overload protection devices such as overheating and overcurrent, and can realize the constant temperature of water in the water storage cavity. When the water in the constant-temperature water tank 11 needs to be rapidly cooled, the heating pipe 13 stops heating, and the totally-enclosed compressor refrigerating system is started to cool the water in the constant-temperature water tank 11, so that multiple groups of data verification can be performed in a short time.

An air pressure gauge 14 of an empty box is connected to the side wall of the base 1 of the operating platform 3. In this configuration, the empty box barometer 14 is a prior art device that is used to detect the air pressure value of the current environment.

Example three: as shown in the figure, the other structures are the same as those of the embodiment, and the difference is that a microbubble generation mechanism 7 is arranged in the constant temperature water tank 11, the microbubble generation mechanism 7 includes an aeration disc 71 and an air pump 72, the aeration disc 71 is fixed at the bottom end of the constant temperature water tank 11, a plurality of vertically distributed air pipes 73 are arranged on the aeration disc 71, one end of each air pipe 73 extends into the water storage cavity 12, an air outlet of the air pump 72 is connected with a first pipeline 74, a one-way valve 75 is arranged on the first pipeline 74, and the aeration disc 71 is communicated with the first pipeline 74 through a second pipeline 76. In this structure, the setting of mechanism 7 is taken place to the microbubble is used for producing the bubble, can make the hydrologic cycle in the water storage chamber 12 quicker on the one hand to make the temperature reach required temperature when examining and determine fast, on the other hand because under certain temperature and certain atmospheric pressure environment, the aquatic saturation dissolved oxygen numerical value is invariable, starts 7 stirring waters of microbubble generation mechanism, can make the aquatic saturation dissolved oxygen distribute evenly. The bubbling mode is adopted, the saturated dissolved oxygen in water can be saturated, the measurement is convenient, the bubble generation process is that the air pump 72 works, the generated air sequentially passes through the first pipeline 74, the one-way valve 75, the second pipeline 76 and the air pipe 73 and then enters the water storage cavity 12, the one-way valve 75 only allows the air to flow in one direction, and the water is prevented from flowing backwards into the air pump 72.

A sealing ring (not shown) is provided between the air pipe 73 and the bottom of the thermostatic water bath 11. In this structure, the sealing ring is provided to enhance the sealing between the air pipe 73 and the constant temperature water tank 11, thereby preventing water from overflowing.

The base 1 is also internally provided with a water pump 81, the water pump 81 is connected with a third pipeline 82 and a fourth pipeline 83, the third pipeline 82 is communicated with the second pipeline 76, and the fourth pipeline 83 extends out of the base 1 and is connected with a valve 84. In this structure, the water pump 81 sets up and does benefit to the water of quick discharge water storage chamber 12, and when the water pump 81 during operation, air pump 72 stop work, and the water that the water pump 81 extracted loops through second pipeline 76, third pipeline 82 and fourth pipeline 83 back discharge to it is comparatively convenient to make the drainage, and the water injection operation also can be carried out to other water receiving pipes in addition.

Example four: as shown in the figure, the other structure is the same as that of the embodiment, but the difference is that a detachable partition plate 103 is arranged in the constant temperature water tank, the partition plate 103 divides the water storage cavity into a first area 104 and a second area 105, and the aeration disc is positioned in the first area 104. In the structure, the partition plate 103 is connected with the constant-temperature water tank in an inserting mode, the aeration disc 71 is located in the first area 104, so that oxygen in water in the first area can be saturated, the other part of the water is subjected to measurement of pH and conductivity parameters, the temperature is only required to be constant according to the detection requirement, the aeration disc is not needed, when water needs to be drained to the outside, the partition plate 103 is removed, and the first area 104 and the second area 105 are in a communicated state, so that the water is convenient to drain.

Universal wheels 15 are respectively fixed at four corners of the base 1. In this structure, the universal wheel 15 is provided to facilitate the movement of the whole.

It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereby, and the present invention may be modified in materials and structures, or replaced with technical equivalents, in the constructions of the above-mentioned various components. Therefore, structural equivalents made by using the description and drawings of the present invention or by directly or indirectly applying to other related arts are also encompassed within the scope of the present invention.