CN211537818U - Portable auxiliary temperature control device for calibrating conductivity meter - Google Patents
Portable auxiliary temperature control device for calibrating conductivity meter Download PDFInfo
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- CN211537818U CN211537818U CN201922030428.1U CN201922030428U CN211537818U CN 211537818 U CN211537818 U CN 211537818U CN 201922030428 U CN201922030428 U CN 201922030428U CN 211537818 U CN211537818 U CN 211537818U
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Abstract
The utility model discloses a portable auxiliary temperature control device for calibrating a conductivity meter, which comprises a box body, wherein a heat preservation layer is arranged in the box body, and a U-shaped groove is arranged on the heat preservation layer; the measuring device comprises a connecting pipe, a first measuring bottle and a second measuring bottle, wherein the first measuring bottle and the second measuring bottle are arranged at two ends of the connecting pipe; the through holes comprise a first through hole and a second through hole which respectively correspond to the drainage port of the first measuring bottle and the output port of the second measuring bottle; the external connecting pipeline comprises a first water delivery pipe and a second water delivery pipe, the first water delivery pipe is communicated with the drainage port of the first measuring bottle and extends out of the first through hole, and the second water delivery pipe is communicated with the output port of the second measuring bottle and extends out of the second through hole. The device is a closed system, improves the precision and the stability of temperature during detection, can operate different standard solutions by one person, and improves the working efficiency.
Description
Technical Field
The utility model relates to a conductivity meter examination and conductivity measurement's technical field, more specifically say, the utility model relates to a novel portable examination is supplementary temperature regulating device for conductivity meter.
Background
The conductivity meter is a necessary instrument for measuring the conductivity of the aqueous solution in a laboratory, and is widely applied to petroleum, chemical engineering, biology, medicine, sewage treatment, environmental monitoring, mining smelting, universities and colleges, scientific research units and the like, and the reading accuracy of the instrument is very important to the experimental result. The JJG337-2007 conductivity meter metrological verification regulation is issued by the State inspection and quarantine Bureau and is the basis for verifying the conductivity meter. Protocol 7.1.1 the requirements for environmental conditions during the assay are specified in table 2, wherein the allowable fluctuation range of the standard solution temperature is critical, the fluctuation range of the standard solution temperature is 4.0 grade at the lowest instrument level, the fluctuation range of the standard solution temperature is ± 0.5 ℃, the fluctuation range of the standard solution temperature is 0.2 grade at the highest instrument level, and the fluctuation range of the standard solution temperature is ± 0.05 ℃. In general, a precise low-temperature constant-temperature device is adopted to control the temperature of a standard solution in verification, but in daily verification, a constant-temperature groove on the precise low-temperature constant-temperature device needs to be opened for verification in a verification process, so that the actually-measured temperature is relatively low, and the constant-temperature groove is opened to ensure that the constant-temperature groove exchanges heat with the ambient temperature and the temperature of the constant-temperature groove is difficult to reach a constant state, so that the temperature of the standard solution is not constant, the reading of a conductivity meter is unstable, and the reading is difficult. In addition, the constant temperature bath cannot fix the standard solution in the detection, the operation is inconvenient, and two persons are required to be matched to complete the detection. In view of the above situation, there is an urgent need for a more closed temperature control device, which can control temperature more stably and is convenient to operate. The device can also be popularized to the measurement of the conductivity, so that the measurement result is more stable and accurate.
Disclosure of Invention
It is an object of the present invention to solve at least the above problems and to provide at least the advantages which will be described later.
The utility model also has the advantage of providing a portable examination is supplementary temperature regulating device for conductivity meter, is the improvement on original basis, and the material is easy, and is economical and practical.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided an auxiliary temperature control device for portable calibration of a conductivity meter, comprising:
the box body is of a hollow structure with an opening at the top end, a heat insulation layer matched with the box body is arranged in the box body, and a U-shaped groove is formed in the heat insulation layer;
the measuring device comprises a connecting pipe, a first measuring bottle and a second measuring bottle, the first measuring bottle and the second measuring bottle are arranged at two ends of the connecting pipe, the top ends of the first measuring bottle and the second measuring bottle are respectively provided with a convex part which is concave inwards, the first measuring bottle and the second measuring bottle are respectively provided with a drainage port close to the bottom end, and the position opposite to the drainage port close to the top end is provided with an output port; the first end of the connecting pipe is connected to the output port of the first measuring bottle, and the second end of the connecting pipe is connected to the drainage port of the second measuring bottle;
the through holes comprise a first through hole and a second through hole, and the first through hole and the second through hole are arranged on the side face of the box body and respectively correspond to the drainage port of the first measuring bottle and the output port of the second measuring bottle;
and the external connecting pipeline is connected with the measuring device and comprises a first water delivery pipe and a second water delivery pipe, the first end of the first water delivery pipe is connected to the drainage port of the first measuring bottle, the second end of the first water delivery pipe penetrates through and extends out of the first through hole, the first end of the second water delivery pipe is connected to the output port of the second measuring bottle, and the second end of the second water delivery pipe penetrates through and extends out of the second through hole.
Preferably, the opening is provided with a detachable cover body, and the size of the cover body is matched with that of the opening.
Preferably, the detachable mode of the cover body is specifically set as follows: the fixing pins are symmetrically arranged on one side of the opening, the fixing pins correspond to the hollow pipes which are arranged on the cover body and matched with the fixing pins in size, and the fixing pins are connected in the hollow pipes in a pulling mode.
Preferably, a lock catch is arranged on one side of the cover body, which is far away from the detachable end, and a lock ring matched with the lock catch is arranged on the box body corresponding to the lock catch.
Preferably, a buffer layer is fixedly arranged on the inner side of the cover body, and the size of the buffer layer is matched with that of the inner side of the cover body; the middle part of the outer side of the cover body is provided with a handle.
Preferably, the first measuring bottle and the second measuring bottle are vertically clamped in the U-shaped groove, and the height of the first measuring bottle and the height of the second measuring bottle are matched with the depth of the U-shaped groove in the vertical direction.
Preferably, the length of the convex part is set to 65.0cm-70.0cm, and the diameter is set to 20.0cm-21.0 cm.
Preferably, the first through hole and the second through hole have the same size, and the size of the first through hole and the size of the second through hole are respectively matched with the diameter of the corresponding first water pipe and the diameter of the corresponding second water pipe.
Preferably, the first water pipe and the second water pipe are sleeved with insulating layers with matched lengths.
The utility model discloses at least, include following beneficial effect:
the utility model has the advantages that firstly, the box body is used for heat preservation, the heat preservation material matched with the box body is laid in the box body, the heat exchange between the circulating constant temperature water and the external environment is stopped, so as to maintain the constancy of the temperature, secondly, in order to be stored, the cover body which can be flexibly disassembled is arranged on one side of the opening of the box body, the measurement is convenient to take down, and the storage is convenient to install; thirdly, the device is portable, and the whole device can be conveniently moved at any time and any place.
First measuring flask, second measuring flask and connecting pipe are inlayed in U type recess, reducible thermostatic water is the heat exchange in the circulation, the setting position and the connected mode of drainage mouth and delivery outlet on the measuring flask, all be the stable cycle of assurance thermostatic water, the inside sunken bulge parcel of measuring flask is in circulation thermostatic water, the uniformity of conductivity standard solution temperature has been guaranteed, and the setting of bulge can hold the standard solution that waits to detect inside it, conveniently directly insert the electrode wherein, liberation both hands, convenient operation alone, the survey to different conductivity standard solutions on JJG337-2007 has still been satisfied in the setting of two measuring flasks, also can survey two conductivity meters simultaneously, the efficiency of examination is improved.
The setting of through-hole is for linking pipeline and measuring device intercommunication outward, and external pipeline contains first raceway and second raceway, connect measuring device and the accurate low temperature thermostatic equipment who detects standard solution conductivity through first raceway and second raceway, so that the thermostatted water circulates between measuring device and accurate low temperature thermostatic equipment through external pipeline, form a confined fluid passage, after the constant temperature tank on the accurate low temperature thermostatic equipment must be opened among the change prior art, put into the constant temperature tank again with the detection bottle among the splendid attire standard solution and detect, the thermal scattering and disappearing has been realized reducing, the temperature of better assurance thermostatted water, do benefit to the stability of conductivity meter registration, the accurate nature of conductivity examination has been improved. The utility model discloses a device sets up simply, easily operates, and more importantly can realize one-man operation, and the heat that reduces constant temperature water scatters and disappears, has improved the accurate examination of work efficiency and conductivity, obtains accurate data to enterprise or scientific research unit and provides more reliable technical support.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic structural view of the novel auxiliary temperature control device for portable calibration of the conductivity meter according to the present invention;
fig. 2 is a schematic structural diagram of the measuring device of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1 and 2, an auxiliary temperature control device for conveniently calibrating a conductivity meter comprises:
the box body 100 is of a hollow structure with an open top end, a heat insulation layer matched with the box body 100 is arranged in the box body 100, and a U-shaped groove is formed in the heat insulation layer;
the measuring device is matched with the U-shaped groove and comprises a connecting pipe 201 and a first measuring bottle 113 and a second measuring bottle 114 which are arranged at two ends of the connecting pipe, the top ends of the first measuring bottle 113 and the second measuring bottle 114 are respectively provided with a convex part 200 which is concave inwards, the bottom ends of the first measuring bottle 113 and the second measuring bottle 114 are respectively provided with a drainage port 202, and the part, close to the top end, opposite to the drainage port 202 is provided with an output port 203; the first end of the connecting pipe 201 is connected to the output port 203 of the first measuring bottle 113, and the second end of the connecting pipe 201 is connected to the drainage port 202 of the second measuring bottle 114;
through holes, including a first through hole 115 and a second through hole 116, the first through hole 115 and the second through hole 116 are disposed on the side surface of the box body 100, and respectively correspond to the drainage port of the first measuring bottle 113 and the output port of the second measuring bottle 114;
the external connecting pipeline is connected with the measuring device and comprises a first water conveying pipe 117 and a second water conveying pipe 118, the first end of the first water conveying pipe 117 is connected to the drainage port 204 of the first measuring bottle 113, the second end of the first water conveying pipe 117 penetrates through and extends out of the first through hole 115, the first end of the second water conveying pipe 118 is connected to the output port 205 of the second measuring bottle 114, and the second end of the second water conveying pipe 118 penetrates through and extends out of the second through hole 116.
In the above scheme, set up U type recess 112 in the box 100, can fix first measuring flask 113 second measuring flask 11 and connecting pipe 201 in U type recess 112, because U type recess 112 sets up on heat preservation 111, can also keep warm to the constant temperature water that circulates in connecting pipe 201, first measuring flask 113, the second measuring flask 114, prevent that the heat from scattering and disappearing, help reducing the constant temperature water temperature change and bring the reading unstability, the probability of great deviation appears in the conductivity examination.
The measuring device comprises a connecting pipe 201, a first measuring bottle 113 and a second measuring bottle 114 which are arranged at two ends of the connecting pipe 201, wherein the connecting pipe 201 is a rubber pipe used in a conventional laboratory, and two ends of the connecting pipe are respectively detachably connected to an output port 203 of the first measuring bottle 113 and a drainage port 202 of the second measuring bottle 114, a drainage port 204 of the first measuring bottle 113 is externally connected to one output port of the precise constant temperature equipment through a first water pipe 117, an output port 205 of the second measuring bottle 114 is connected to the other input port of the precise constant temperature equipment through a second water pipe 118, so that the constant temperature water can circulate between the precise constant temperature equipment and the measuring device, the constant temperature water can circulate in a closed liquid circulation environment, the heat preservation effect of the standard solution contained in a bulge 200 of the measuring device can be realized, and after a constant temperature groove on the precise constant temperature equipment needs to be opened in the prior art, the detection bottle is placed into the thermostatic bath for detection in the standard solution, so that heat loss is reduced, the temperature of thermostatic water is better guaranteed, the stability of conductivity is facilitated, and the accuracy of conductivity detection is improved. The utility model discloses a device sets up simply, easily operates, and more importantly can realize one-man operation, and the heat that reduces constant temperature water scatters and disappears, has improved the accurate examination of work efficiency and conductivity, obtains accurate data to enterprise or scientific research unit and provides more reliable technical support. The device can also be applied to the measurement of the sample in the enterprise or the laboratory of the scientific research unit, the control of the temperature of the sample is ensured, and the reading of the conductivity meter is stabilized.
The utility model discloses the portable examination conductivity meter of setting is with supplementary temperature regulating device, need connect respectively on accurate cryostat's output input port through holding first raceway 117 second end and second raceway 118 second end when using to and the conductivity standard solution that awaits measuring is packed into respectively into to two bulges 200, the constant temperature water is through first raceway 117, second raceway 118, first measuring bottle 113, second measuring bottle 114 and the inside circulation of connecting pipe 201. The electrodes of the conductivity meter are directly put into the standard solution, and the conductivity can be detected by connecting the power supplies of all the devices. In order to prove that the method can reduce heat loss and better improve the temperature accuracy and temperature stability, the same purified water is added into a constant temperature groove and a measuring bottle of the precise low-temperature constant-temperature equipment by using a rod type standard digital thermometer for temperature measurement, the temperature is measured for 10 times respectively, and the set temperature of the precise low-temperature constant-temperature equipment is 25.00 ℃. The results show that: the temperature measured by the thermostatic bath of the thermostatic device has an average value of 24.548 ℃, a standard deviation of 0.0057 ℃ and an error of 0.452 ℃ from the set value. The average temperature of the measuring flask was 24.952 deg.C, the standard deviation was 0.0003 deg.C, and the error from the set value was 0.048 deg.C. As can be seen from the data, the use of the measuring device is superior in heat retention and temperature stability, both in terms of deviation of temperature from a set value and in terms of discreteness of temperature data.
In a preferable scheme, the opening is provided with a detachable cover body 119, and the size of the cover body 119 is matched with that of the opening.
In the above scheme, the detachable cover 119 is provided for convenience during the experiment, and the cover 119 can be detached without affecting the operation; when the experiment ended, can accomodate the portable examination for conductivity meter auxiliary temperature control device that this application set up again, do not occupy the experimental space.
In a preferred embodiment, the detachable manner of the cover 119 is specifically set as follows: the open-ended one side symmetry sets up the fixed pin, the fixed pin corresponds set up respectively on the lid 119 with fixed pin size assorted hollow tube 121, the fixed pin with the pull mode connect in the hollow tube 121.
In the above scheme, set up the fixed pin on one side of the opening, set up on the lid 119 that the fixed pin corresponds with fixed pin size assorted hollow tube 121, can realize pegging graft of fixed pin, when the experiment, mode through past taking out makes fixed pin and hollow tube 121 break away from, and can be through propulsive mode again after the experiment, make the fixed pin peg graft in hollow tube 121, this kind of mode that sets up both conveniently dismantles lid 119, can realize the rotation of fixed pin in hollow tube 121 again, conveniently open and shut lid 119.
In a preferred embodiment, a lock catch is disposed on a side of the cover 119 away from the detachable end, and a lock ring 122 adapted to the lock catch is disposed on the case 100 corresponding to the lock catch.
In the above scheme, the lock catch and the lock ring 122 are configured to be matched with each other, so that the cover 119 can be locked on the box 100 after the cover 119 is closed, and the box 100 can be moved or pulled conveniently.
In a preferred embodiment, a buffer layer 120 is fixedly disposed on the inner side of the cover 119, and the size of the buffer layer 120 is adapted to the inner side of the cover 119.
In the above scheme, because first measuring flask 113 and second measuring flask 114 are all glass materials, for better protection measuring device, set up buffer layer 120 in lid 119 inboard, prevent lid 119 direct contact measuring device on the one hand, the lid 119 that opens and shuts that the time has long made a round trip can wear and tear measuring device, on the other hand when lid 119 back is closed to the lid, buffer layer 120 can directly support in the measuring flask top, when preventing to remove or incline, causes rocking of measuring flask, destroys or the measuring flask that wears out.
In a preferable scheme, the first measuring bottle 113 and the second measuring bottle 114 are vertically clamped in the U-shaped groove 112, and the heights of the first measuring bottle 113 and the second measuring bottle 114 are matched with the vertical depth of the U-shaped groove 112.
In the above scheme, the first measuring bottle 113 and the second measuring bottle 114 are vertically clamped in the U-shaped groove 112, so as to fix the measuring bottles, and prevent the standard liquid from being placed in the protrusion 200 and then being inclined, and the liquid is spilled out or inconvenient to operate; the height of the measuring bottle is matched with the depth of the U-shaped groove 112 in the vertical direction, and the measuring bottle is convenient to take out after being fixed, and is cleaned after being tested.
In a preferred embodiment, the length of the protrusion 200 is 65.0cm to 70.0cm, and the diameter is 20.0cm to 21.0 cm.
In the above solution, the length of the protrusion 200 is set to 65.0cm-70.0cm, and the diameter is set to 20.0cm-21.0cm, which are set according to the size of the conductivity meter electrode after a lot of research, and the length and diameter can meet the requirements of most conductivity meter electrodes currently on the market.
In a preferred embodiment, the first through hole 115 and the second through hole 116 have the same size, and the size of the first through hole 115 and the size of the second through hole 116 are respectively matched with the diameter of the corresponding first water pipe 117 and the diameter of the corresponding second water pipe 118.
In the above solution, the first through hole 115 and the second through hole 116 are sized to ensure that the first water pipe 117 and the second water pipe 118 can smoothly penetrate through and extend out of the through holes to be externally communicated with the precise low-temperature and constant-temperature device.
In a preferred embodiment, the first water pipe 117 and the second water pipe 118 are sleeved with an insulating layer 111 having a length matching with each other.
In the above scheme, the arrangement of the insulating layer 111 can ensure that when constant-temperature water flows through the first water pipe 117 and the second water pipe 118, the dissipation of heat can be reduced, the measurement device is assisted to better ensure the constant temperature of the constant-temperature water in the circulation process, a better environment is provided for detecting the conductivity, and the accuracy of detecting the conductivity is improved.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (9)
1. The utility model provides a portable examination is supplementary temperature regulating device for conductivity meter which characterized in that includes:
the box body is of a hollow structure with an opening at the top end, a heat insulation layer matched with the box body is arranged in the box body, and a U-shaped groove is formed in the heat insulation layer;
the measuring device comprises a connecting pipe, and a first measuring bottle and a second measuring bottle which are arranged at two ends of the connecting pipe, wherein the first measuring bottle and the second measuring bottle are clamped in the U-shaped groove, the top ends of the first measuring bottle and the second measuring bottle are respectively provided with a convex part which is concave inwards, the first measuring bottle and the second measuring bottle are respectively provided with a drainage port close to the bottom end, and the drainage port is opposite to the position close to the top end and is used for outputting; the first end of the connecting pipe is connected to the output port of the first measuring bottle, and the second end of the connecting pipe is connected to the drainage port of the second measuring bottle;
the through holes comprise a first through hole and a second through hole, and the first through hole and the second through hole are arranged on the side face of the box body and respectively correspond to the drainage port of the first measuring bottle and the output port of the second measuring bottle;
the external connecting pipeline comprises a first water delivery pipe and a second water delivery pipe, the first end of the first water delivery pipe is connected to the drainage port of the first measuring bottle, the second end of the first water delivery pipe penetrates through and extends out of the first through hole, the first end of the second water delivery pipe is connected to the output port of the second measuring bottle, and the second end of the second water delivery pipe penetrates through and extends out of the second through hole.
2. The auxiliary temperature control device for a portable assay conductivity meter as claimed in claim 1, wherein said opening is provided with a removable cover, said cover being sized to fit said opening.
3. An auxiliary temperature control device for a portable assay conductivity meter as claimed in claim 2, wherein said removable cover is provided in the form of: the fixing pins are symmetrically arranged on one side of the opening, the fixing pins correspond to the hollow pipes which are arranged on the cover body and matched with the fixing pins in size, and the fixing pins are connected in the hollow pipes in a pulling mode.
4. The auxiliary temperature control device for portable assay of conductivity meters as claimed in claim 2, wherein a lock catch is provided on the side of said cover body away from the detachable end, and a lock ring adapted to said lock catch is provided on the case body corresponding to said lock catch.
5. The auxiliary temperature control device for portable assay of a conductivity meter as claimed in claim 2, wherein a buffer layer is fixedly arranged on the inner side of said cover body, and the size of said buffer layer is adapted to the inner side of said cover body; the middle part of the outer side of the cover body is provided with a handle.
6. The auxiliary temperature control device for portable assay conductivity meter as claimed in claim 1, wherein said first measuring flask and said second measuring flask are vertically clamped in said U-shaped groove, and the height of said first measuring flask and said second measuring flask is adapted to the vertical depth of said U-shaped groove.
7. The auxiliary temperature control device for portable assay conductivity meters as claimed in claim 1, wherein said protrusions are provided with a length of 65.0cm to 70.0cm and a diameter of 20.0cm to 21.0 cm.
8. The auxiliary temperature control device for portable verification of a conductivity meter as claimed in claim 1, wherein the first through hole and the second through hole have the same size, and the size of the first through hole and the size of the second through hole are respectively matched with the diameter of the corresponding first water pipe and the diameter of the corresponding second water pipe.
9. The auxiliary temperature control device for portable verification of a conductivity meter as claimed in claim 1, wherein the first water pipe and the second water pipe are sleeved with insulating layers with matched lengths.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922030428.1U CN211537818U (en) | 2019-11-22 | 2019-11-22 | Portable auxiliary temperature control device for calibrating conductivity meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922030428.1U CN211537818U (en) | 2019-11-22 | 2019-11-22 | Portable auxiliary temperature control device for calibrating conductivity meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211537818U true CN211537818U (en) | 2020-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922030428.1U Active CN211537818U (en) | 2019-11-22 | 2019-11-22 | Portable auxiliary temperature control device for calibrating conductivity meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211537818U (en) |
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- 2019-11-22 CN CN201922030428.1U patent/CN211537818U/en active Active
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