CN215574799U - Liquid conductivity tester based on alternating current bridge - Google Patents
Liquid conductivity tester based on alternating current bridge Download PDFInfo
- Publication number
- CN215574799U CN215574799U CN202120721795.0U CN202120721795U CN215574799U CN 215574799 U CN215574799 U CN 215574799U CN 202120721795 U CN202120721795 U CN 202120721795U CN 215574799 U CN215574799 U CN 215574799U
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- China
- Prior art keywords
- liquid storage
- storage tank
- liquid
- water tank
- storage pot
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000007788 liquid Substances 0.000 title claims abstract description 82
- 239000008236 heating water Substances 0.000 claims abstract description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000000741 silica gel Substances 0.000 claims abstract description 7
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000012544 monitoring process Methods 0.000 claims description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 6
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims 1
- 238000012806 monitoring device Methods 0.000 claims 1
- 229920001296 polysiloxane Polymers 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- 238000000691 measurement method Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 5
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Abstract
The utility model discloses a liquid conductivity tester based on an alternating current bridge, which comprises a liquid conductivity tester based on the alternating current bridge, and the liquid conductivity tester comprises a shell cover, a shell bottom, machine legs, a heating water tank, a liquid storage tank pressing plate, a liquid storage tank I, a liquid storage tank II, a hand-screwed screw, a cushion cover, a silica gel gasket, a sensor, a temperature controller, a wiring converter, a liquid container and electrodes.
Description
Technical Field
The utility model relates to an electromagnetic liquid conductivity quantitative measuring device, in particular to a liquid conductivity measuring instrument based on an alternating current bridge.
Background
The accurate quantitative measurement of the liquid conductivity has important significance in many aspects such as marine scientific investigation, experimental teaching and the like. The conductivity measurement method generally comprises three measurement modes, namely an ultrasonic conductivity measurement method, an electrode conductivity measurement method and an electromagnetic conductivity measurement method, wherein the latter two measurement methods are more commonly used, and the electrode conductivity measurement method adopting an alternating current balance bridge is an effective method for measuring the conductivity of the liquid. In the prior art, a temperature control system is imperfect, a laboratory thermometer can monitor the temperature, but the temperature is not accurately controlled, and a temperature control box, a temperature control pool and other experimental equipment are additionally matched; the electrode is made of stainless steel, generally, the stainless steel electrode can only be used as a cathode and can not be used as an anode, the corrosion of the stainless steel electrode can be accelerated by the anode, and the service life of the electrode is short by adopting an alternating current bridge method in an experimental method; the position of the electrodes is fixed, the electrode distance cannot be changed, and the influence of the distance on the conductivity measurement is researched; the integrated degree of the experimental system is poor, the basic system building can be completed only by additionally matching experimental equipment such as a temperature control system, a wiring converter and the like, and the storage is not facilitated.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a liquid conductivity meter based on an alternating current bridge.
In order to achieve the purpose, the utility model adopts the following technical scheme: a liquid conductivity tester based on an alternating current bridge comprises a shell cover, a shell bottom, machine legs, a heating water tank, a liquid storage tank pressing plate, a liquid storage tank I, a liquid storage tank II, a hand-screwed screw, a cushion cover, a silica gel gasket, a sensor, a temperature controller and a wiring converter, wherein the shell cover is connected with the shell bottom through a rotating shaft, the machine legs are fixed at the bottom of the shell bottom, and the temperature controller is arranged at the front end of the shell bottom;
the liquid storage tank I and the liquid storage tank II are placed in the heating water tank and used for storing liquid to be detected, a liquid storage tank pressing plate is placed above the liquid storage tank I and the liquid storage tank II and fixed in the heating water tank 4 through hand-screwed screws, the liquid storage tank pressing plate is provided with an opening, the tops of the liquid storage tank I and the liquid storage tank II can extend out through the opening, the sensor is arranged at the bottom of the heating water tank and used for monitoring real-time temperature in the water tank, the contact part of the sensor and the wall of the water tank is sealed by a silica gel gasket, the wiring converter is arranged above the heating water tank and connected with an electrode of the liquid storage tank through one end of a wire from the wiring converter, the other end of the wiring converter is connected with an external circuit, and the gasket is used for supporting the wiring converter;
liquid storage pot I and liquid storage pot II include liquid container, electrode and sensor, and the electrode adopts the platinum sheet electrode, sets up respectively in the liquid storage pot both ends, and the sensor sets up in liquid storage pot one end for the real-time temperature in the monitoring liquid storage pot.
The utility model has the following beneficial effects:
compared with the prior device, the device has a perfect temperature control system, consists of a temperature control pool and a temperature controller, can adjust the temperature of the temperature control pool and measure the conductivity of liquid at different temperatures while realizing accurate temperature control; the stainless steel electrode is changed into a platinum sheet electrode, so that the practical service life of the experimental equipment is prolonged; liquid storage tanks with different specifications are arranged, the influence of different factors on the conductivity measurement is explored, and the practical applicability of the equipment is enhanced; and an integrated design is adopted, the human-computer effect is enhanced, and the accurate quantitative measurement of the conductivity is realized.
Drawings
FIG. 1 is a block diagram of an AC bridge based liquid conductivity meter according to the present invention;
FIG. 2 is a partial schematic view of an AC bridge based liquid conductivity meter according to the present invention;
fig. 3 is a perspective view of a liquid conductivity meter based on an ac bridge according to the present invention.
Fig. 4 is a partial structural view of a liquid conductivity meter based on an ac bridge according to the present invention.
Illustration of the drawings:
1. a housing cover 1; 2. a housing bottom; 3. a machine leg; 4. a heating water tank; 5. a liquid storage tank pressing plate; 6. a liquid storage tank I; 7. a liquid storage tank II; 8. screwing the screw by hand; 9. a cushion cover; 10. a silica gel gasket; 11. a sensor; 12. a temperature controller; 13. a wiring converter; 14. a liquid container; 15. an electrode; 16. a sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, one embodiment of the present invention is provided: the utility model provides a liquid conductivity apparatus based on AC bridge, this apparatus includes shell lid 1, shell bottom 2, machine foot 3, adds hot water tank 4, liquid storage pot clamp plate 5, liquid storage pot I6, liquid storage pot II 7, hand screw 8, cushion cover 9, silica gel washer 10, sensor 11, temperature controller 12, wiring converter 13.
The shell cover 1 is connected with the shell bottom 2 through a rotating shaft and can be opened or closed, and the machine foot 3 is fixed at the bottom of the shell bottom 2. The temperature controller 12 is disposed at the front end of the tester.
Liquid storage pot I6 and liquid storage pot II 7 set up in heating water tank 4 for store the liquid that awaits measuring, and liquid storage pot clamp plate 5 is arranged in the liquid storage pot top, and accessible hand screw 8 fixes in heating water tank 4, and liquid storage pot clamp plate 5 sets up the trompil, and the liquid storage pot top accessible trompil stretches out.
The sensor 11 is arranged at the bottom of the heating water tank 4 and used for monitoring the real-time temperature in the water tank, and a contact part of the sensor and the wall of the water tank is sealed by a silica gel gasket 10.
The wiring converter 13 is arranged above the heating water tank 4, one end of the wiring converter 13 is connected with the electrode of the liquid storage tank through a lead, the other end of the wiring converter is connected with an external circuit, and the cushion cover 9 is used for supporting the wiring converter.
The reservoir comprises a fluid container 14, electrodes 15 and sensors 16. The electrodes 15 are respectively arranged at two ends of the liquid storage tank, the sensor 16 is arranged at one end of the liquid storage tank, and the sensor is used for monitoring the real-time temperature in the liquid storage tank.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (1)
1. The utility model provides a liquid conductivity apparatus based on exchange electric bridge, includes shell lid (1), at the bottom of the shell (2), machine foot (3), heating basin (4), liquid storage pot clamp plate (5), liquid storage pot I (6), liquid storage pot II (7), hand screw (8), cushion cover (9), silicone gasket (10), sensor (11), temperature controller (12), wiring converter (13), its characterized in that: the shell cover (1) is connected with the shell bottom (2) through a rotating shaft, the machine foot (3) is fixed at the bottom of the shell bottom (2), and the temperature controller (12) is arranged at the front end of the shell bottom (2);
the liquid storage tank I (6) and the liquid storage tank II (7) are placed in the heating water tank (4), used for storing liquid to be measured, a liquid storage tank pressure plate (5) is arranged above a liquid storage tank I (6) and a liquid storage tank II (7), is fixed in the heating water tank (4) through a hand-screwed screw (8), a pressure plate (5) of the liquid storage tank is provided with an opening, the tops of the liquid storage tank I (6) and the liquid storage tank II (7) can extend out through the opening, a sensor (11) is arranged at the bottom of the heating water tank (4), the temperature monitoring device is used for monitoring real-time temperature in the water tank, a silica gel gasket (10) is arranged at the contact part of the sensor (11) and the wall of the water tank for sealing, the wiring converter (13) is arranged above the heating water tank (4), one end of the wiring converter (13) is connected with electrodes of the liquid storage tank I (6) and the liquid storage tank II (7) through wires, the other end of the wiring converter is connected with an external circuit, and the cushion cover (9) is used for supporting the wiring converter;
liquid storage pot I (6) and liquid storage pot II (7) include liquid container (14), electrode (15) and sensor (16), and platinum piece electrode is adopted in electrode (15), sets up respectively in liquid storage pot I (6) and II (7) both ends of liquid storage pot, and sensor (16) set up in I (6) of liquid storage pot and II (7) one end of liquid storage pot for the real-time temperature in the monitoring liquid storage pot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120721795.0U CN215574799U (en) | 2021-04-09 | 2021-04-09 | Liquid conductivity tester based on alternating current bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120721795.0U CN215574799U (en) | 2021-04-09 | 2021-04-09 | Liquid conductivity tester based on alternating current bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215574799U true CN215574799U (en) | 2022-01-18 |
Family
ID=79855861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120721795.0U Expired - Fee Related CN215574799U (en) | 2021-04-09 | 2021-04-09 | Liquid conductivity tester based on alternating current bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215574799U (en) |
-
2021
- 2021-04-09 CN CN202120721795.0U patent/CN215574799U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220118 |