CN205620346U - PH acidity meter - Google Patents
PH acidity meter Download PDFInfo
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- CN205620346U CN205620346U CN201620396384.8U CN201620396384U CN205620346U CN 205620346 U CN205620346 U CN 205620346U CN 201620396384 U CN201620396384 U CN 201620396384U CN 205620346 U CN205620346 U CN 205620346U
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Abstract
The utility model discloses a PH acidity meter, including detecting body, support arm, a plurality of detection electrode and electrode support, the support arm has pin joint end and free end, and the pin joint end is rotationally connected in detecting the body, a plurality of detection electrode optionally electricity are connected in the specification and dimension diverse who detects body, a plurality of detection electrode, electrode bearing installation has seted up a plurality of positioning hole, a plurality of positioning hole's aperture and a plurality of detection electrode's specification and dimension one -to -one in the free end of support arm, electrode support, wherein, one of them electricity of a plurality of detection electrode is connected when detecting the body, and detection electrode wears to establish and be positioned a positioning hole rather than specification and dimension is corresponding. The utility model discloses a set up a plurality of specification and dimension diverse's positioning hole on its electrode support, satisfy the PH acidity meter needs and cooperate the electrode that uses different specification and dimension to carry out the requirement that detects.
Description
Technical field
The utility model relates to checking equipment technical field, in particular to a kind of pH acidometer.
Background technology
PH acidometer, i.e. pH (acidity) counts, as the detecting instrument that a kind of laboratory is conventional, it is mainly used in the pH value of accurate measurement liquid medium, selecting the corresponding electrode coordinating also can measure ion electrode current potential MV value for different ions, pH acidometer is widely used in the fields such as environmental protection, sewage disposal, scientific research, pharmacy, fermentation, chemical industry, cultivation, running water.In addition, the indispensable inspection equipment that this pH acidometer is also food factory, drinking water plant to carry out in QS, HACCP certification.
The cardinal principle of pH acidometer can be understood as the potentiometer of precision.During mensuration, electrode is immersed in detected solution, produce different electromotive force owing to the acidity (hydrogen ion concentration) of detected solution is different, this electromotive force is amplified by dc amplifier, is finally indicated the pH value of detected solution by reading indicator (voltmeter).
PH acidometer is on the premise of realizing apparatus measures function, in addition it is also necessary to the operation meeting user requires.Such as pH acidometer needs the electrode with the use of different size type on market, such as combination electrode, ISE or ORP electrode etc., may require that during due to measurement and be used in combination different types of electrode, the structure of existing pH acidometer is arranged while cannot meeting different types of electrode.
Further, since electrode suppor arm is very long very high, and use requiring, electrode suppor arm can rotate in all directions and extend, be convenient for measuring solution.Realize that above-mentioned functions then needs support arm to be stablely supported in detection body (such as instrument base), but the structure of existing pH acidometer cannot meet above-mentioned requirements and easily produce and rock, and the rotation and extension to support arm causes restriction.
Utility model content
A main purpose of the present utility model is to overcome at least one defect of above-mentioned prior art, provides a kind of pH acidometer that simultaneously can arrange for the electrode of different size type.
For achieving the above object, the utility model adopts the following technical scheme that
According to an aspect of the present utility model, provide a kind of pH acidometer, wherein, including detect body, support arm, multiple detecting electrode and electrode support；Described support arm has pivot end and free end, and described pivot end is rotatably connected at described detection body；The plurality of detecting electrode is selectively electrically coupled to described detection body, and the specification of the plurality of detecting electrode is different；Described electrode support is installed on the free end of described support arm, and described electrode support offers multiple positioning through hole, the specification one_to_one corresponding of the aperture of the plurality of positioning through hole and the plurality of detecting electrode；Wherein, when one of them of the plurality of detecting electrode is electrically connected to described detection body, described detecting electrode wears and is positioned a described positioning through hole corresponding with its specification.
According to one of them embodiment of the present utility model, multiple positioning through hole of described electrode support at least include multiple first through hole；The plurality of first through hole is opened in the middle part of described electrode support.
According to one of them embodiment of the present utility model, multiple positioning through hole of described electrode support at least include multiple second through hole；The plurality of second through hole is opened in the sidewall of described electrode support, and the cross section of each described second through hole is all in semi-open shape.
According to one of them embodiment of the present utility model, the pass of described second through hole is circular arc, and radian is more than 180 °.
According to one of them embodiment of the present utility model, multiple positioning through hole of described electrode support at least include at least one third through-hole and at least one fourth hole；At least one third through-hole described is opened in the middle part of described electrode support；At least one fourth hole described is opened in the sidewall of described electrode support, and the cross section of each described fourth hole is all in semi-open shape.
According to one of them embodiment of the present utility model, described electrode support rectangular-blocklike, and there are four sidewalls, one of them described sidewall is connected with described support arm, the described sidewall of its excess-three respectively offers a described fourth hole, and offers a described third through-hole in the middle part of described electrode support.
According to one of them embodiment of the present utility model, the pass of described fourth hole is circular arc, and radian is more than 180 °.
According to one of them embodiment of the present utility model, described detection body includes support, body and fixture；Described support has hinge and is rotatably coupled for described support arm, and described support top has the first sphere protruding upward；Described body is located on described support, has the second sphere upwards caving in, and described second sphere and described first sphere laminating bottom it；Described fixture is located between described support and body to fix both and is connected.
According to one of them embodiment of the present utility model, first sphere of described support is provided with the 3rd sphere of concave downward, second sphere of described body is provided with the 4th downwardly projecting sphere, and when described second sphere and described first sphere laminating, described 3rd sphere and described 4th sphere laminating.
According to one of them embodiment of the present utility model, described base inner is provided with balancing weight.
As shown from the above technical solution, the advantage of the pH acidometer that the utility model proposes and having the active effect that
The pH acidometer that the utility model proposes, by arranging the different positioning through hole of multiple specification on its electrode support, and the specification one_to_one corresponding of each electrode that each positioning through hole is used with pH acidometer, so that electrode support can assemble the electrode of multiple different specification size simultaneously, meet the requirement that pH acidometer needs detect with the use of the electrode of different specification size.
Brief description
By being considered in conjunction with the accompanying the following detailed description to preferred embodiment of the present utility model, various targets of the present utility model, feature and advantage will become apparent from.Accompanying drawing is only exemplary diagram of the present utility model, is not necessarily drawn to scale.In the accompanying drawings, same reference represents same or similar parts all the time.Wherein:
Fig. 1 is the perspective view of a kind of pH acidometer according to an illustrative embodiments；
Fig. 2 is the perspective view of the electrode support of a kind of pH acidometer according to an illustrative embodiments；
Fig. 3 is the perspective exploded view of the detection body of a kind of pH acidometer according to an illustrative embodiments；
Fig. 4 is the perspective exploded view of another angle of the detection body of a kind of pH acidometer according to an illustrative embodiments；
Fig. 5 is the perspective exploded view of the detection body of a kind of pH acidometer according to another exemplary embodiment.
Wherein, description of reference numerals is as follows:
100. detection bodies；110. support；111. hinge；112. first spheres；113. the 3rd spheres；114. projection；115. balancing weight；120. body；121. second spheres；122. the 4th spheres；123. groove；130. fixture；200. support arm；201. pivot end；202. free end；300. detecting electrode；400. electrode support；401. first through holes；402. second through holes；403. third through-hole；404. fourth hole.
Detailed description of the invention
Embody the utility model feature will describe in detail in the following description with the exemplary embodiments of advantage.It should be understood that the utility model can have various changes in different embodiments, it is all without departing from scope of the present utility model, and therein explanation and accompanying drawing inherently illustrative, and be not used to limit the utility model.
In the following description to different illustrative embodiments of the present utility model, carry out referring to the drawings, described accompanying drawing forms a part of the present utility model, and wherein shows different example arrangement, system and the step that can realize many aspects of the present utility model by way of example.It should be understood that, it is possible to use other specified scheme of parts, structure, exemplary means, system and step, and structural and functional modification can be carried out in the case of without departing from the utility model scope.And, although this specification can use term " end ", " top ", " end ", " side " etc. describe different example feature of the present utility model and element, but these terms are with in this article merely for convenient, for example with reference to the accompanying drawings described in the direction of example.In the range of any content in this specification is not necessarily to be construed that the specific three dimensional direction of Structure of need just falls into the utility model.
Refering to Fig. 1, Fig. 1 representatively illustrates the pH acidometer that can embody principle of the present utility model.In this illustrative embodiments, the pH acidometer that the utility model proposes is to illustrate as a example by the detection equipment utilizing electrode detection liquid medium acid-base value.Skilled addressee readily understands that is, for being used for detecting other media or parameter above-mentioned pH acidometer, and multiple remodeling, interpolation, replacement, deletion or other changes is made to following detailed description of the invention, these changes are still in the range of the principle of the pH acidometer that the utility model proposes.
As it is shown in figure 1, in the present embodiment, the pH acidometer that the utility model proposes mainly includes detecting body the 100th, support arm the 200th, multiple detecting electrodes 300 and electrode support 400.Wherein, support arm 200 has pivot end 201 and free end 202, and the pivot end 201 of support arm 200 is rotatably connected at detection body 100.Multiple detecting electrodes 300 are selectively electrically coupled to detect body 100, and the specification of multiple detecting electrodes 300 is different.It should be noted that Fig. 1 illustrate only one of them in above-mentioned multiple detecting electrode 300, and this detecting electrode 300 is to be electrically connected with detection body 100 formation by cable.The pH acidometer that the utility model proposes actually used during, multiple detecting electrode 300 also can be set on electrode support 400 simultaneously, be not limited thereto.Electrode support 400 is installed on the free end 202 of support arm 200, and can realize the pivot joint with free end 202 by the structure of such as hinge and hinge.Multiple positioning through hole is offered on electrode support 400, the aperture of these positioning through hole and the specification one_to_one corresponding of above-mentioned detecting electrode 300, and make multiple detecting electrode 300 any one be electrically connected to detection body 100 when, all can wear and be positioned a positioning through hole corresponding with its specification.Below in conjunction with accompanying drawing, each primary structure of the pH acidometer that the utility model proposes is described in detail.
Coordinating and referring to Fig. 2, representatively illustrate the perspective view of the principle that can embody the pH acidometer that the utility model proposes in Fig. 2, it specifically represents the stereochemical structure of the electrode support 400 of this pH acidometer.
As depicted in figs. 1 and 2, in the present embodiment, electrode support 400 rectangular-blocklike, and there are four sidewalls, one of them sidewall is connected with support arm 200, and its excess-three sidewall respectively offers a fourth hole 404, and offers a third through-hole 403 in the middle part of electrode support 400.I.e. in the present embodiment, multiple positioning through hole of electrode support 400 include a third through-hole 403 and three fourth holes 404.It should be noted that above-mentioned with regard to the description in the middle part of electrode support 400, it is not limited only to the center of electrode support 400, but represent other positions of the sidewall being different from electrode support 400.Specifically, third through-hole 403 has the pass of routine, i.e. cross section is close-shaped, such as but not limited to circle or polygon etc..Fourth hole 404 is owing to being arranged on electrode support 400 sidewall, and it has unconventional pass, i.e. cross section is semi-open shape, such as but not limited to circular arc etc..Further, when the pass of fourth hole 404 is circular arc, its radian can be preferably greater than the shape of 180 °, and can radian be more preferably 180 °～270 °, in order to electrode snaps in fourth hole 404, and realizes the positioning to electrode after snapping in.
Skilled addressee readily understands that is, for making the electrode support 400 of pH acidometer can position the electrode of multiple different specification size, and multiple remodeling, interpolation, replacement, deletion or other changes is made to the structure of above-mentioned electrode support 400, the quantity of each positioning through hole, set-up mode or pass etc., these changes are still in the range of the principle of the pH acidometer that the utility model proposes.For example, in other illustrative embodiments of the present utility model, multiple positioning through hole can only include that multiple first through hole 401, its pass and set-up mode are roughly the same with the third through-hole 403 of present embodiment.Multiple positioning through hole also can only include that multiple second through hole 402, its pass and set-up mode are roughly the same with the fourth hole 404 of present embodiment.During in addition, arrange third through-hole 403 and fourth hole 404 simultaneously, its quantity or pass all can be adjusted flexibly, and are not limited thereto.
Coordinating and referring to Fig. 3 and Fig. 4, representatively illustrate the perspective view of the principle that can embody the pH acidometer that the utility model proposes in Fig. 3, it specifically represents the perspective exploded view of the detection body 100 of this pH acidometer.Representatively illustrating the perspective view of the principle that can embody the pH acidometer that the utility model proposes in Fig. 4, it specifically represents the perspective exploded view of another angle of the detection body 100 of this pH acidometer.
Shown as shown in Figure 1, Figure 3 and Figure 4, in the present embodiment, detection body 100 mainly includes the fixture 130 of body 120 that the 110th, support be located on support 110 and connection support 110 and body 120.Wherein, support 110 top has the first sphere 112 protruding upward, has the second sphere 121 upwards caving in bottom body 120, and this second sphere 121 is fitted with the first sphere 112.Further, first sphere 112 of support 110 is provided with the 3rd sphere 113 of concave downward, and the second sphere 121 of body 120 is provided with the 4th downwardly projecting sphere 122, and when the second sphere 121 and the first sphere 112 are fitted, the 3rd sphere 113 and the 4th sphere 122 are fitted.It should be noted that, first sphere the 112nd, the second sphere the 121st, the 3rd sphere 113 and the 4th sphere 122 all not represent the sphere of whole spheroid, structure and annexation based on support 110 and body 120, above-mentioned each sphere all substantially hemisphere face less than 180 ° in radian, the name of above-mentioned each sphere only for ease of describing and understanding, illustrates hereby.It in addition, the balancing weight 115 of detection body 100 is located in support 110, and is balanced configuration to whole pH acidometer.
Skilled addressee readily understands that is, structure for making the detection body 100 of pH acidometer is more firm, and with the structure of support 110 or connected mode etc., multiple remodeling, interpolation, replacement, deletion or other changes are made to the body 120 of above-mentioned detection body 100, these changes are still in the range of the principle of the pH acidometer that the utility model proposes.For example, in other illustrative embodiments of the present utility model, the first sphere 112 bonded to each other and the second sphere 121 can be only set.
It should be noted here that shown in accompanying drawing and the pH acidometer describing in this manual only can use the many of the principle of the invention to plant one of pH acidometers example.It should be clearly understood that, the principle of the present invention is only limitted to absolutely not any details of the pH acidometer shown in accompanying drawing or described in this specification or any parts of pH acidometer.
For example, being not intended to meet principle of the present utility model, as it is shown on figure 3, in the present embodiment, support 110 has hinge 111 and is rotatably coupled for support arm 200.
But, not in each embodiment of the present utility model, it is necessary to be arranged on above-mentioned hinge 111 on support 110, or utilize the structure of hinge 111 that support arm 200 is rotatably connected at detection body 100.Skilled addressee readily understands that, for realize support arm 200 rotatably arranged with, and said structure is made multiple remodeling, interpolation, replacement, deletion or other change, these change still in the range of the principle of the pH acidometer that the utility model proposes.As shown in Figure 4, hinge 111 can also be arranged on the pivot end 201 of support arm 200, is not limited thereto.
And for example, it is not intended to meet principle of the present utility model, as shown in Figure 3, in the present embodiment, fixture 130 can be preferably fastening bolt, and this fastening bolt is arranged in support 110, and frame is positioned over and on support 110 is, this fastening bolt penetrates bottom frame, and frame and support 110 are fixedly connected to form detection body 100.
But not in each embodiment of the present utility model, it is necessary to the fixture 130 of said structure is set.Skilled addressee readily understands that, being fixing connection frame and support 110, and making multiple remodeling, interpolation, replacement, deletion or other changes to above-mentioned fixing piece 130, these changes are still in the range of the principle of the pH acidometer that the utility model proposes.For example, fastening bolt can be replaced by rivet or other structures.And for example, coordinating refering to Fig. 5, representatively illustrating the perspective view of the principle that can embody the pH acidometer that the utility model proposes in Fig. 5, it specifically represents the perspective exploded view of the detection body 100 in another embodiment of this pH acidometer.Wherein, in this embodiment, detection body 100 is simultaneously not provided with fixture 130, but the projection 114 raising up is set on the 3rd sphere 113, and the groove 123 upwards caving in is set at the 4th sphere 122, this projection 114 is clasped with this groove 123, thus realizes that support 110 is connected with the fixing of body 120.
The pH acidometer that the utility model proposes, by arranging the different positioning through hole of multiple specification on its electrode support 400, and the specification one_to_one corresponding of each electrode that each positioning through hole is used with pH acidometer, so that electrode support 400 can assemble the electrode of multiple different specification size simultaneously, meet the requirement that pH acidometer needs detect with the use of the electrode of different specification size.
In addition, the pH acidometer that the utility model proposes, by the annexation of the sphere laminating between its support 110 detecting body and body 120, improve the suitability that structure connects.Coordinate the setting of balancing weight 115 further, improve the structural stability of pH acidometer.
Illustrative embodiments that is described in detail above and/or that illustrate the pH acidometer that the utility model proposes.But embodiment of the present utility model is not limited to particular implementation as described herein, and on the contrary, the part of each embodiment and/or step independently and can be used separately with other parts as described herein and/or step.Each part of one embodiment and/or each step also can be used in combination with other parts of other embodiments and/or step.When introducing the key element/part/wait of described here and/or diagram, term " one ", " one " and " above-mentioned " etc. in order to represent exist one or more key element/part/etc..Term "comprising", " including " and " having " in order to represent the open meaning being included and referring to also can exist in addition to the key element/part/wait listed other key element/part/etc..It additionally, term " first " in claims and specification and " second " etc. are only used as mark and use, not the numerical limit to its object.
Although the pH acidometer that the utility model proposes being described according to different specific embodiments, but it will be recognized by those skilled in the art and can in the spirit and scope of the claims enforcement of the present utility model be modified.
Claims (10)
1. a pH acidometer, it is characterised in that include:
Detection body；
Support arm (200), has pivot end (201) and free end (202), and described pivot end (201) is rotatably connected at described detection body；
Multiple detecting electrodes (300), are selectively electrically coupled to described detection body, and the specification of the plurality of detecting electrode (300) is different；And
Electrode support (400), it is installed on the free end (202) of described support arm (200), described electrode support (400) offers multiple positioning through hole, the specification one_to_one corresponding of the aperture of the plurality of positioning through hole and the plurality of detecting electrode (300)；
Wherein, when one of them of the plurality of detecting electrode (300) is electrically connected to described detection body, described detecting electrode (300) wears and is positioned a described positioning through hole corresponding with its specification.
2. pH acidometer according to claim 1, it is characterised in that multiple positioning through hole of described electrode support (400) at least include:
Multiple first through holes (401), are opened in described electrode support (400) middle part.
3. pH acidometer according to claim 1, it is characterised in that multiple positioning through hole of described electrode support (400) at least include:
Multiple second through holes (402), are opened in the sidewall of described electrode support (400), and the cross section of each described second through hole (402) are all in semi-open shape.
4. pH acidometer according to claim 3, it is characterised in that the pass of described second through hole (402) is circular arc, and radian is more than 180 °.
5. pH acidometer according to claim 1, it is characterised in that multiple positioning through hole of described electrode support (400) at least include:
At least one third through-hole (403), is opened in described electrode support (400) middle part；And
At least one fourth hole (404), is opened in the sidewall of described electrode support (400), and the cross section of each described fourth hole (404) is all in semi-open shape.
6. pH acidometer according to claim 5, it is characterized in that, described electrode support (400) rectangular-blocklike, and there are four sidewalls, one of them described sidewall is connected with described support arm (200), the described sidewall of its excess-three respectively offers a described fourth hole (404), and described electrode support (400) middle part offers a described third through-hole (403).
7. pH acidometer according to claim 5, it is characterised in that the pass of described fourth hole (404) is circular arc, and radian is more than 180 °.
8. the pH acidometer according to any one of claim 1～7, it is characterised in that described detection body includes:
Support (110), has hinge (111) and is rotatably coupled for described support arm (200), and described support (110) top has the first sphere (112) protruding upward；
Body (120), is located on described support (110), has the second sphere (121) upwards caving in bottom it, and described second sphere (121) is fitted with described first sphere (112)；And
Fixture (130), is located at and is connected both are fixing between described support (110) with body (120).
9. pH acidometer according to claim 8, it is characterized in that, first sphere (112) of described support (110) is provided with the 3rd sphere (113) of concave downward, second sphere (121) of described body (120) is provided with the 4th downwardly projecting sphere (122), and when described second sphere (121) and the laminating of described first sphere (112), described 3rd sphere (113) and described 4th sphere (122) laminating.
10. pH acidometer according to claim 8, it is characterised in that described support (110) is internal is provided with balancing weight (115).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620396384.8U CN205620346U (en) | 2016-05-04 | 2016-05-04 | PH acidity meter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620396384.8U CN205620346U (en) | 2016-05-04 | 2016-05-04 | PH acidity meter |
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| CN205620346U true CN205620346U (en) | 2016-10-05 |
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| CN201620396384.8U Active CN205620346U (en) | 2016-05-04 | 2016-05-04 | PH acidity meter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106645338A (en) * | 2016-12-26 | 2017-05-10 | 重庆铭凯科技发展有限公司 | Multifunctional pH meter |
| GB2567681A (en) * | 2017-10-20 | 2019-04-24 | Palintest Ltd | Instrument |
-
2016
- 2016-05-04 CN CN201620396384.8U patent/CN205620346U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106645338A (en) * | 2016-12-26 | 2017-05-10 | 重庆铭凯科技发展有限公司 | Multifunctional pH meter |
| GB2567681A (en) * | 2017-10-20 | 2019-04-24 | Palintest Ltd | Instrument |
| WO2019077321A1 (en) * | 2017-10-20 | 2019-04-25 | Palintest Limited | Electroanalytical instrument for determining by amperometry the presence or quantity of an analyte in an aqueous sample |
| CN110945348A (en) * | 2017-10-20 | 2020-03-31 | 百灵达有限公司 | Electrical analyzer for determining the presence or amount of an analyte in an aqueous sample by amperometry |
| US20200249192A1 (en) * | 2017-10-20 | 2020-08-06 | Palintest Limited | Electroanalytical instrument for determining by amperometry the presence or quantity of an analyte in an aqueous sample |
| GB2567681B (en) * | 2017-10-20 | 2022-05-04 | Palintest Ltd | Amperometric instrument for an electrochemical sensor |
| CN110945348B (en) * | 2017-10-20 | 2022-09-06 | 百灵达有限公司 | Electrical analyzer for determining the presence or amount of an analyte in an aqueous sample by amperometry |
| AU2018352088B2 (en) * | 2017-10-20 | 2024-02-29 | Palintest Limited | Electroanalytical instrument for determining by amperometry the presence or quantity of an analyte in an aqueous sample |
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