CN219121456U - Electrode structure capable of improving accuracy and stability between small flow areas - Google Patents
Electrode structure capable of improving accuracy and stability between small flow areas Download PDFInfo
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- CN219121456U CN219121456U CN202122564674.2U CN202122564674U CN219121456U CN 219121456 U CN219121456 U CN 219121456U CN 202122564674 U CN202122564674 U CN 202122564674U CN 219121456 U CN219121456 U CN 219121456U
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Abstract
The utility model provides an electrode structure that can improve small flow interval precision and stability, includes honeycomb duct and the electrode pole of setting on the honeycomb duct, be provided with the silver wire in the electrode pole, just be located honeycomb duct outer wall side on the electrode pole and be provided with the electrode lead wire, the electrode lead wire can be dismantled with the silver wire and be connected, just be located the inner wall side of honeycomb duct on the electrode pole and still be provided with the stationary dog, the stationary dog is contradicted with the honeycomb duct inner wall and is connected, has simple structure, improves measurement accuracy and stability's beneficial effect.
Description
Technical Field
The utility model belongs to the technical field of metering instruments, and particularly relates to an electrode structure capable of improving accuracy and stability of a small flow interval.
Background
The electromagnetic cold water meter measuring medium is water, and most of electrode materials used in the electromagnetic cold water meter are stainless steel, but the conditions of weak signal, low accuracy and instability are caused when measuring flow because of lower conductivity of water.
Disclosure of Invention
In order to solve the technical problems, the utility model provides an electrode structure capable of improving the accuracy and stability of a small flow interval.
The specific scheme is as follows:
the utility model provides an electrode structure that can improve small flow interval precision and stability, includes honeycomb duct and the electrode pole of setting on the honeycomb duct, be provided with the silver wire in the electrode pole, just be located honeycomb duct outer wall side on the electrode pole and be provided with the electrode lead, the electrode lead can be dismantled with the silver wire and be connected, just be located the inner wall side of honeycomb duct on the electrode pole and still be provided with the stationary dog, the stationary dog is contradicted with the honeycomb duct inner wall and is connected.
And the electrode rod is also provided with a wiring nut, and the electrode lead is detachably connected with the silver wire through the wiring nut.
And a tensioning nut is further arranged on the outer wall side of the flow tube and positioned on the electrode rod, and the tensioning nut is in threaded connection with the electrode rod.
The inner wall of the flow guide pipe is also provided with an electrode bushing, and the fixed claw is matched with the tensioning nut to be in interference connection with the electrode bushing.
The fixed jaw is an anchor jaw.
The electrode rod is fixedly connected with the guide pipe through the sealing block, and the sealing block is a rubber block.
The honeycomb duct is also provided with a shielding cover, and the electrode rod at the outer wall side of the honeycomb duct is fixed in the shielding cover.
The utility model discloses an electrode structure capable of improving the precision and stability of a small flow interval, which is characterized in that a silver wire is added into an electrode rod, an electrode lead is connected with the silver wire, and the silver wire is arranged in the electrode rod, so that the silver wire has high conductivity, the output signal of a water meter is enhanced, the measurement is more stable and accurate, the risk of the silver wire being broken or deformed is avoided.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the present utility model. It will be apparent to those skilled in the art that the described embodiments are only a part, but not all, of the implementations of the utility model, and that all other embodiments, based on which those skilled in the art will come to lie within the scope of the utility model without making any inventive effort.
The electromagnetic cold water meter is a metering device specially designed according to the actual demands of water supply enterprises, and meets the GB/T778-2018 water meter standard. The electromagnetic cold water meter mainly comprises a sensor and a converter, wherein the sensor part comprises a measuring tube with an insulating lining, a flange, a coil for generating a magnetic field and an electrode. When measuring flow, the fluid flows through the magnetic field perpendicular to the flowing direction to cut magnetic force lines, the flowing of the conductive liquid induces a voltage signal proportional to the volume flow, the induced voltage signal is detected by two electrodes in direct contact with the liquid and is transmitted to the converter by the cable, and then the signal is converted into an amplified and tidied output signal to achieve the purpose of metering.
As shown in FIG. 1, an electrode structure capable of improving accuracy and stability of a small flow interval comprises a flow guide pipe 6 and an electrode rod 2 arranged on the flow guide pipe 6, wherein a silver wire 4 is arranged in the electrode rod 2, an electrode lead 10 is arranged on the electrode rod 2 and positioned on the outer wall side of the flow guide pipe 6, the electrode lead 10 is detachably connected with the silver wire 4, a fixed claw 1 is further arranged on the electrode rod 2 and positioned on the inner wall side of the flow guide pipe 6, and the fixed claw 1 is in abutting connection with the inner wall of the flow guide pipe 6.
In this embodiment, a round hole with a hole diameter of 2mm is provided in the electrode rod 2, the silver wire 4 is placed in the round hole, one end of the silver wire 2 is in contact with the inner wall of the electrode rod 2 and in the round hole in the electrode rod 2, and the other end of the silver wire 2 is connected with the electrode lead 10.
The electrode rod 2 is further provided with a wiring nut 8, the electrode lead 10 is detachably connected with the silver wire 4 through the wiring nut 8, the wiring nut 8 is in threaded connection with the electrode rod, the electrode lead 10 and the silver wire 4 are placed into the wiring nut 8 during wiring, meanwhile, the wiring nut 8 is screwed, the electrode lead 10 and the silver wire 4 are connected together through the wiring nut 8, and electric conduction is achieved between the silver wire 4 and the electrode lead 10 through the wiring nut 8 because the wiring nut 8 is an electric conductor.
The outer wall side of the flow tube and the electrode rod 2 are also provided with a tensioning nut 7, and the tensioning nut 7 is in threaded connection with the electrode rod 2.
The inner wall of the flow guide pipe 6 is also provided with an electrode bushing 5, and the fixed claw 1 is matched with a tensioning nut 7 to be in abutting connection with the electrode bushing 5. In the use process, when the tightening nut 7 is screwed, the electrode rod 2 can move towards the outer side direction of the guide pipe 6, so that the fixed claw 1 on the inner wall of the guide pipe 6 is firmly connected with the electrode bushing 5, and the installation stability of the electrode rod 2 is ensured.
The fixed jaw 1 is a fluke.
The sealing block 3 is further arranged in the flow guide pipe 6, the electrode rod 2 is fixedly connected with the flow guide pipe 6 through the sealing block 3, the sealing block 3 is a rubber block, and the sealing block 3 has the sealing beneficial effect.
The honeycomb duct 6 is last still to be provided with shield cover 9, the electrode rod 2 of honeycomb duct 6 outer wall side is fixed in shield cover 9, and shield cover 9 can shield external interference, provides water gauge measurement's stability.
The electrode structure capable of improving the accuracy and stability of a small flow interval is characterized in that when the electrode structure is assembled, the electrode rod 2 penetrates out of the inner wall of the flow guide pipe 6 from the outer wall of the flow guide pipe 6, after the electrode rod 2 stretches out of the flow guide pipe, the tension nut 7 is in threaded connection with the electrode rod 2, the electrode 2 continues to stretch out of the outer side of the flow guide pipe 6, the fixed claw on the electrode rod 2 is ensured to be in close contact with the flow guide tank 6, the silver wire 4 is placed in the electrode rod 2, the wiring nut 8 is screwed, the silver wire 4 is connected with the electrode lead 10, and finally the shielding cover 10 is installed on the electrode rod 2 and the electrode lead 10 is led out of the shielding cover, so that the water flow in the flow guide pipe 6 is measured.
The utility model discloses an electrode structure capable of improving the precision and stability of a small flow interval, which is characterized in that a silver wire is added into an electrode rod, an electrode lead is connected with the silver wire, and the silver wire is arranged in the electrode rod, so that the silver wire has high conductivity, the output signal of a water meter is enhanced, the measurement is more stable and accurate, the risk of the silver wire being broken or deformed is avoided.
The technical means disclosed by the scheme of the utility model is not limited to the technical means disclosed by the embodiment, and also comprises the technical scheme formed by any combination of the technical features. It should be noted that modifications and adaptations to the utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (7)
1. The utility model provides an electrode structure that can improve small flow interval precision and stability, includes honeycomb duct (6) and electrode pole (2) of setting on honeycomb duct (6), its characterized in that: be provided with silver wire (4) in electrode pole (2), electrode pole (2) are gone up and are located honeycomb duct (6) outer wall side and are provided with electrode lead (10), electrode lead (10) are connected with silver wire (4) can be dismantled, electrode pole (2) are gone up and are located honeycomb duct (6) inner wall side and still are provided with stationary dog (1), stationary dog (1) are contradicted with honeycomb duct (6) inner wall and are connected.
2. The electrode structure capable of improving accuracy and stability between small flow rates according to claim 1, characterized in that: the electrode rod (2) is further provided with a wiring nut (8), and the electrode lead (10) is detachably connected with the silver wire (4) through the wiring nut (8).
3. The electrode structure for improving accuracy and stability of small flow intervals according to claim 1, wherein: the outer wall side of the flow tube is also provided with a tensioning nut (7) which is positioned on the electrode rod (2), and the tensioning nut (7) is in threaded connection with the electrode rod (2).
4. An electrode structure capable of improving accuracy and stability between small flow rates according to claim 3, characterized in that: an electrode bushing (5) is further arranged on the inner wall of the guide pipe (6), and the fixed claw (1) is matched with the tensioning nut (7) to be in abutting connection with the electrode bushing (5).
5. The electrode structure capable of improving accuracy and stability between small flow rates according to claim 1, characterized in that: the fixed jaw (1) is a fluke.
6. The electrode structure capable of improving accuracy and stability between small flow rates according to claim 1, characterized in that: the electrode rod (2) is fixedly connected with the guide pipe (6) through the sealing block (3), and the sealing block (3) is a rubber block.
7. The electrode structure capable of improving accuracy and stability between small flow rates according to claim 1, characterized in that: the honeycomb duct (6) is further provided with a shielding cover (9), and the electrode rod (2) on the outer wall side of the honeycomb duct (6) is fixed in the shielding cover (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122564674.2U CN219121456U (en) | 2021-10-25 | 2021-10-25 | Electrode structure capable of improving accuracy and stability between small flow areas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122564674.2U CN219121456U (en) | 2021-10-25 | 2021-10-25 | Electrode structure capable of improving accuracy and stability between small flow areas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219121456U true CN219121456U (en) | 2023-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122564674.2U Active CN219121456U (en) | 2021-10-25 | 2021-10-25 | Electrode structure capable of improving accuracy and stability between small flow areas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219121456U (en) |
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2021
- 2021-10-25 CN CN202122564674.2U patent/CN219121456U/en active Active
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