CN215297281U - Potentiometric titrator - Google Patents
Potentiometric titrator Download PDFInfo
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- CN215297281U CN215297281U CN202121054722.7U CN202121054722U CN215297281U CN 215297281 U CN215297281 U CN 215297281U CN 202121054722 U CN202121054722 U CN 202121054722U CN 215297281 U CN215297281 U CN 215297281U
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Abstract
The utility model relates to the field of electronic equipment, and discloses a potentiometric titrator, which comprises a base, a bracket, a beaker, an electrode support frame, a height adjusting mechanism, a detector, a weight sensor and a controller, wherein the bracket is vertically arranged at the top of the base; the weight sensor is arranged at the top of the base and is positioned right below the electrode supporting frame, and the controller is respectively electrically connected with the height adjusting mechanism and the detector switch; the weight sensor is used for detecting whether the beaker is placed on the base or not and sending a request signal to the controller; the controller is used for receiving a request signal sent by the weight sensor and controlling the height adjusting mechanism to work according to the request signal, so that the electrode supporting frame is controlled to move towards the base, and the detector is controlled to start working; effectively solves the problems of complex operation and inconvenient use of users of the existing potentiometric titrators.
Description
Technical Field
The utility model belongs to the technical field of electronic equipment and specifically relates to a potentiometric titrator.
Background
The electrode potential is measured by measuring the electromotive force of a galvanic cell composed of the electrode to be measured and the reference electrode. The potentiometric measuring instrument is a circuit formed by a reference electrode, an indicating electrode and the measuring instrument to measure the electrode potential. Potential measuring instruments are divided into two types: direct potentiometric measuring instruments and potentiometric titration measuring instruments. The direct potentiometric instrument includes a PH meter for determining acidity using a PH glass electrode as an indicating electrode and an ion meter for measuring various ion concentrations using an ion selective electrode as an indicating electrode. Because many electrodes have extremely high resistance, the PH meter and the ion meter both need high input impedance and have automatic temperature measurement and compensation functions. Such an instrument can give directly the acidity or ion concentration by simple calibration.
Among the prior art, when the staff need use the automatic potentiometre, need pack into specific bottle with the solution that awaits measuring, then place in automatic potentiometre top, manual adjustment electrode height makes in the electrode inserts the solution that awaits measuring, later start switch, then just can begin to measure, operating procedure is very loaded down with trivial details, inconvenient user uses.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the utility model provides a potentiometric titrator, solves current potentiometric titrator complex operation, the inconvenient problem that the user used.
The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:
a potentiometric titrator comprises a base, a support, a beaker, an electrode supporting frame, a height adjusting mechanism, a detector, a weight sensor and a controller, wherein the support is vertically arranged at the top of the base; the weight sensor is arranged at the top of the base and is positioned under the electrode supporting frame, and the controller is respectively electrically connected with the height adjusting mechanism and the detector switch;
the weight sensor is used for detecting whether the beaker is placed on the base or not and sending a request signal to the controller;
the controller is used for receiving a request signal sent by the weight sensor and controlling the height adjusting mechanism to work according to the request signal, so that the electrode supporting frame is controlled to move towards the base, and the detector is controlled to start working.
Through the technical scheme, the user is using the utility model discloses a potentiometric titrator, the beaker that will be equipped with the solution that awaits measuring is placed on the base, and weight sensor sends request signal to the controller after detecting the weight of beaker, and the controller receives behind the request signal control height regulating mechanism and begins work to adjust the height of electrode support frame, make the detection electrode on the electrode support frame insert in the solution in the beaker, later controller control detector begins work and carries out potentiometric titration, the utility model discloses a potentiometric titrator has reduced user's work load effectively, and it is more simple and convenient to operate.
Furthermore, the height adjusting mechanism comprises a screw rod, a motor and a sliding block, the screw rod is vertically arranged on the base in a rotating mode, the motor is arranged at one end of the screw rod, an output shaft of the motor is coaxially connected with the screw rod, the sliding block is sleeved on the screw rod in a threaded mode, the sliding block is sleeved on the support in a vertically sliding mode, the electrode supporting frame is fixedly connected with the sliding block, and the motor is electrically connected with the controller.
Through the scheme, the controller controls the motor output shaft to rotate, the motor output shaft rotates to drive the screw to rotate, the screw rotates to drive the sliding block to slide upwards or downwards along the support, and the device is simple in result and convenient for a user to use.
Further, potentiometric titrator still includes distance sensor, distance sensor sets up perpendicularly electrode support frame bottom is used for gathering electrode support frame distance the distance between the base, distance sensor with the controller electricity is connected.
Through above-mentioned scheme, gather the distance between electrode support frame bottom and the base through distance sensor, reduce the distance undersize between electrode support frame and the base and cause detection electrode collision damage.
Furthermore, a positioning groove is formed in the base and located under the electrode supporting frame, and the weight sensor is arranged in the positioning groove.
Through the scheme, the placement position of the beaker is limited through the positioning groove, and the beaker is convenient for a user to use.
Furthermore, the electrode support frame comprises a bottom plate, and a through hole for fixing the detection electrode and the titration head is formed in the bottom plate.
Through the scheme, the detection electrode and the titration head are arranged on the through hole in a penetrating mode, and a user can fix the titration head conveniently.
Furthermore, a reinforcing clamp is arranged on the bottom plate and matched with the through hole.
Through above-mentioned scheme, press from both sides through the reinforcement and consolidate detection electrode and titration head, prevent that detection electrode and titration head are not hard up.
The utility model has the advantages as follows:
the user is using the utility model discloses a during potentiometric titrator, the beaker that will be equipped with the solution that awaits measuring is placed on the base, and weight sensor sends the request signal to the controller after detecting the weight of beaker, and the controller receives behind the request signal control height adjusting mechanism and begins work to adjust the height of electrode support frame, make the detection electrode on the electrode support frame insert in the solution in the beaker, later controller control detector begins work and carries out potentiometric titration, the utility model discloses a potentiometric titrator has reduced user's work load effectively, and the operation is simple and convenient more.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Reference numerals: 1. a base; 2. a support; 3. a beaker; 4. an electrode support frame; 41. a base plate; 42. a through hole; 43. reinforcing clips; 5. a height adjustment mechanism; 51. a screw; 52. a motor; 53. a slider; 6. a detector; 7. a weight sensor; 8. a controller; 9. a distance sensor; 11. and (6) positioning a groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
As shown in fig. 1, the embodiment provides a potentiometric titrator, which includes a base 1, a support 2, a beaker 3, an electrode support frame 4, a height adjusting mechanism 5, a detector 6, a weight sensor 7, and a controller 8, wherein the support 2 is vertically disposed on the top of the base 1, the height adjusting mechanism 5 controls the electrode support frame 4 to move upwards or downwards along the support 2, and the electrode support frame 4 is used for supporting and fixing a detection electrode and a titration head; the weight sensor 7 is arranged at the top of the base 1 and is positioned under the electrode support frame 4, and the controller 8 is respectively electrically connected with the height adjusting mechanism 5 and the detector 6 through switches;
the weight sensor 7 is used for detecting whether the beaker 3 is placed on the base 1 and sending a request signal to the controller 8;
the controller 8 is used for receiving the request signal sent by the weight sensor 7 and controlling the height adjusting mechanism 5 to work according to the request signal, so that the electrode supporting frame 4 is controlled to move towards the base, and the detector 6 is controlled to start working.
The user is using the utility model discloses a during potentiometric titrator, the beaker 3 that will be equipped with the solution that awaits measuring is placed on base 1, and weight sensor 7 sends request signal to controller 8 after detecting beaker 3's weight, and controller 8 receives behind the request signal control height adjusting mechanism 5 and begins work to adjust electrode support frame 4's height, in the solution that makes on the electrode support frame 4 detection electrode insert beaker 3, later 8 control detector 6 begins work and carries out potentiometric titration.
The potentiometric titrator further comprises a distance sensor 9, the distance sensor 9 is vertically arranged at the bottom of the electrode support frame 4 and used for collecting the distance between the electrode support frame 4 and the base 1, and the distance sensor 9 is electrically connected with the controller 8. The distance between the bottom of the electrode support frame 4 and the base 1 is collected through the distance sensor 9, and the collision damage of the detection electrode caused by the fact that the distance between the electrode support frame 4 and the base 1 is too small is reduced.
As shown in fig. 1, the height adjusting mechanism 5 includes a screw 51, a motor 52 and a slider 53, the screw 51 is vertically and rotatably disposed on the base 1, the motor 52 is disposed at one end of the screw 51, an output shaft of the motor 52 is coaxially connected with the screw 51, the slider 53 is threadedly disposed on the screw 51, the slider 53 is slidably disposed on the bracket 2 up and down, the electrode support frame 4 is fixedly connected with the slider 53, and the motor 52 is electrically connected with the controller 8.
The controller 8 controls the output shaft of the motor 52 to rotate, the output shaft of the motor 52 rotates to drive the screw 51 to rotate, and the screw 51 rotates to drive the sliding block 53 to slide upwards or downwards along the bracket 2.
Locating slot 11 has been seted up under electrode support frame 4 on the base 1, and weight sensor 7 is attached in locating slot 11, carries on spacingly through locating slot 11 to the position of placing of beaker 3.
The electrode support frame 4 comprises a bottom plate 41, a through hole 42 used for fixing the detection electrode and the titration head is formed in the bottom plate 41, a reinforcing clamp 43 is arranged on the bottom plate 41 and matched with the through hole 42, the detection electrode and the titration head are arranged on the through hole 42 in a penetrating mode, and the detection electrode and the titration head are reinforced through the reinforcing clamp 43.
The implementation principle is as follows: the utility model discloses a potentiometric titrator, the utility model discloses a potentiometric titrator is when using, the beaker 3 that will be equipped with the solution that awaits measuring is placed on base 1, weight sensor 7 sends request signal to controller 8 after detecting beaker 3's weight, controller 8 receives behind the request signal control height adjustment mechanism 5 and begins work, thereby adjust electrode support frame 4's height, controller 8 gathers the distance between 4 bottoms of electrode support frame and the base 1 according to distance sensor 9, control height adjustment mechanism 5 stop work, make in the solution of detection electrode insertion beaker 3 on the electrode support frame 4, and 3 diapalls of collision beaker, later 8 control detector 6 of controller begin work and carry out the potentiometric titration.
Claims (6)
1. A potentiometric titrator is characterized in that: the device comprises a base (1), a support (2), a beaker (3), an electrode support frame (4), a height adjusting mechanism (5), a detector (6), a weight sensor (7) and a controller (8), wherein the support (2) is vertically arranged at the top of the base (1), the height adjusting mechanism (5) controls the electrode support frame (4) to move upwards or downwards along the support (2), and the electrode support frame (4) is used for supporting and fixing a detection electrode and a titration head; the weight sensor (7) is arranged at the top of the base (1) and is positioned under the electrode supporting frame (4), and the controller (8) is electrically connected with the height adjusting mechanism (5) and the detector (6) through a switch respectively;
the weight sensor (7) is used for detecting whether the beaker (3) is placed on the base (1) or not and sending a request signal to the controller (8);
the controller (8) is used for receiving a request signal sent by the weight sensor (7) and controlling the height adjusting mechanism (5) to work according to the request signal, so that the electrode supporting frame (4) is controlled to move towards the base, and the detector (6) is controlled to start working.
2. The potentiometric titrator as claimed in claim 1, wherein the height adjusting mechanism (5) comprises a screw (51), a motor (52) and a slider (53), the screw (51) is vertically and rotatably arranged on the base (1), the motor (52) is arranged at one end of the screw (51), an output shaft of the motor (52) is coaxially connected with the screw (51), the slider (53) is in threaded fit with the screw (51), the slider (53) is in up-and-down sliding fit with the bracket (2), the electrode support frame (4) is fixedly connected with the slider (53), and the motor (52) is electrically connected with the controller (8).
3. The potentiometric titrator according to claim 1, further comprising a distance sensor (9), wherein the distance sensor (9) is vertically arranged at the bottom of the electrode support frame (4) and is used for collecting the distance between the electrode support frame (4) and the base (1), and the distance sensor (9) is electrically connected with the controller (8).
4. A potentiometric titrator according to claim 1, wherein a positioning slot (11) is provided on the base (1) under the electrode support frame (4), and the weight sensor (7) is disposed in the positioning slot (11).
5. The potentiometric titrator as claimed in claim 1, wherein the electrode support frame (4) comprises a bottom plate (41), and a through hole (42) for fixing the detection electrode and the titration head is formed on the bottom plate (41).
6. A potentiometric titrator according to claim 5, wherein a reinforcing clip (43) is provided on the base plate (41) in cooperation with the through hole (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121054722.7U CN215297281U (en) | 2021-05-17 | 2021-05-17 | Potentiometric titrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121054722.7U CN215297281U (en) | 2021-05-17 | 2021-05-17 | Potentiometric titrator |
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| Publication Number | Publication Date |
|---|---|
| CN215297281U true CN215297281U (en) | 2021-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121054722.7U Active CN215297281U (en) | 2021-05-17 | 2021-05-17 | Potentiometric titrator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116087301A (en) * | 2023-02-16 | 2023-05-09 | 徐州瑞马智能技术有限公司 | Device for detecting reaction end point of hydrogen peroxide and ferrous ions |
-
2021
- 2021-05-17 CN CN202121054722.7U patent/CN215297281U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116087301A (en) * | 2023-02-16 | 2023-05-09 | 徐州瑞马智能技术有限公司 | Device for detecting reaction end point of hydrogen peroxide and ferrous ions |
| CN116087301B (en) * | 2023-02-16 | 2023-10-20 | 徐州瑞马智能技术有限公司 | Device for detecting reaction end point of hydrogen peroxide and ferrous ions |
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Effective date of registration: 20221110 Address after: 710016 Floor 8, Hesheng International Food Trading Center, Weiyang District, Xi'an, Shaanxi Patentee after: Shaanxi Keyi Sunshine Testing Technology Service Co.,Ltd. Address before: 710000 No. 09, No. 1, Taibai North Road, Beilin District, Xi'an City, Shaanxi Province Patentee before: Chen Jiang |