CN212389549U - Water shortage protection device for conduit type - Google Patents
Water shortage protection device for conduit type Download PDFInfo
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- CN212389549U CN212389549U CN202020388835.XU CN202020388835U CN212389549U CN 212389549 U CN212389549 U CN 212389549U CN 202020388835 U CN202020388835 U CN 202020388835U CN 212389549 U CN212389549 U CN 212389549U
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- guide pipe
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Abstract
The utility model provides a be used for water shortage protection device of pipe formula, includes the aqueduct of non-metallic material, be provided with two convex metal conductive sleeves on the outer wall of aqueduct, one of them tip of every metal conductive sleeve is provided with the electrode, and two electrodes are connected with automatically controlled board, detect the capacitance value data between two electrodes through automatically controlled board and judge that the aqueduct is in there is water state or water shortage state. This water shortage protection device simple structure, stable performance, strong adaptability, with low costs, detecting element and water complete separation prevent the power consumption safety problem of water equipment, under the condition of aqueduct water supply water pressure not enough or lack of water, stop water pump and the heating device work in the water equipment, can improve the security and the life of water pump to play the dry combustion method effect of preventing to heatable water equipment.
Description
Technical Field
The utility model relates to a water equipment field specifically is a be used for lacking water protection device of pipe formula.
Background
Most all are equipped with the water shortage protection device who is used for preventing the electric heater from burning futilely in the water equipment, current water shortage protection device adopts temperature detect switch or liquid level float switch or level sensor and control circuit associated mode to control the electric heater mostly, this kind of water shortage protection device uses easy scale deposit under high temperature state for a long time and leads to sensitivity to reduce, and under the water tank low water level condition, the water supply water pressure to the water pump is not enough, cause the water pump to damage easily, reduce its life, and this kind of scheme involves that electronic component and control circuit are complicated, and application cost is higher.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve above-mentioned current problem, provide a simple structure, reasonable a lack of water protection device for pipe formula, its effect is through detecting the various logical water state that the capacitance value of aqueduct judges the water tank.
The utility model discloses a following structure realizes:
the utility model provides a be used for water shortage protection device of pipe formula, includes the aqueduct of non-metallic material, be provided with two convex metal conductive sleeves on the outer wall of aqueduct, one of them tip of every metal conductive sleeve is provided with the electrode, and two electrodes are connected with automatically controlled board, detect the capacitance value data between two electrodes through automatically controlled board and judge that the aqueduct is in there is water state or water shortage state.
The utility model discloses can also adopt following technical measure to solve:
the water guide pipe is in a water-free state, the electric control board detects that the basic capacitance value between the two electrodes is an A value, and when the capacitance value is the A value or is close to the A value in use, the water guide pipe is judged to be in a water-deficient state;
the water guide pipe is in a full water state, the electric control board detects that the basic capacitance value between the two electrodes is a value B, and when the water guide pipe is used, the capacitance value is between the value A and the value B, and the water guide pipe is judged to be in a water state.
The electric control board comprises a processing chip for analyzing capacitance value change and a detection module connected with the processing chip, the detection module is connected with the two electrodes through a circuit, and the detection module is further connected with a power supply.
The outer end face of the aqueduct is concavely provided with an annular groove matched with the width of the metal conductive sleeve, the metal conductive sleeve is tightly installed in the annular groove, and the outer surface of the metal conductive sleeve is flush with the outer end face of the aqueduct.
An annular groove is formed in the outer end face of the water guide pipe, and the metal conductive sleeve is sleeved behind the annular groove and is packaged in the pipe wall of the water guide pipe through an injection molding integral type.
The water guide pipe is provided with an electric control board mounting box, an electric control board is mounted in the electric control board mounting box, and two end parts of the metal conductive sleeve extend into the electric control board mounting box and are connected with the electric control board.
And after the electric control board is installed in the electric control board installation box, the electric control board installation box is filled with packaging glue for fixing the electric control board.
The metal conductive sleeve is made of conductive metal materials or conductive alloy materials.
The utility model has the advantages as follows:
the utility model relates to a water shortage protection device for pipe formula, this water shortage protection device simple structure, stable performance, strong adaptability, with low costs, detecting element separates completely with the water, prevents the power consumption safety problem of water equipment, under the condition that water equipment supplies water pressure not enough or lack of water, stops water pump and heating device work in the water equipment, can improve the security and the life of water pump to play the dry combustion method effect of preventing to water equipment.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is the utility model discloses an automatically controlled board mounting box and automatically controlled plate structure sketch map.
Fig. 3 is a schematic sectional structure diagram of a second embodiment of the present invention.
Fig. 4 is a schematic sectional structure view of a third embodiment of the present invention.
Fig. 5 is a schematic sectional structure view of a fourth embodiment of the present invention.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
The first embodiment: as shown in fig. 1 and 2, a conduit-type water shortage protection device includes a water conduit 2 made of a non-metallic material, two metal conductive sleeves 3 in a circular arc shape are arranged on an outer wall of the water conduit 2, one end of each metal conductive sleeve 3 is provided with an electrode 4, the two electrodes 4 are connected with an electric control board 5, and the electric control board 5 detects capacitance data between the two electrodes 4 to determine that the water conduit is in a water-existing state or a water shortage state.
This water shortage protection device simple structure, stable performance, strong adaptability, with low costs, detecting element and water complete separation prevent the power consumption safety problem of water equipment, under the condition of aqueduct 2 water supply water pressure is not enough or lack of water, stop water pump and the heating device work in the water equipment, can improve the security and the life of water pump to play the dry combustion method effect of preventing to water equipment.
The water guide pipe 2 is in a water-free state, the electric control board 5 detects that the basic capacitance value between the two electrodes 4 is an A value, and when the capacitance value is the A value or is close to the A value in use, the water guide pipe is judged to be in a water shortage state;
the water guide pipe 2 is in a full water state, the electric control board 5 detects that the basic capacitance value between the two electrodes 4 is a value B, and when the water guide pipe is used, the capacitance value is between the value A and the value B, and the water guide pipe is judged to be in a water state.
The basic capacitance value A and the capacitance value B are a threshold value due to the influence of factors of the material of the aqueduct 2, the thickness of the pipe wall, the diameter of the pipeline and the diameter of a pipeline channel, and during assembly, different aqueducts 2 need a manufacturer to detect the aqueducts for limited times to obtain the capacitance value ranges of the aqueducts in an anhydrous state and a full water state;
in actual use, when the electric control board 5 detects that the capacitance value between the two electrodes 4 is a, the water conduit 2 is in a water-free state, when the electric control board 5 detects that the capacitance value between the two electrodes 4 is B, the water conduit 2 is in a full water state and is not started to be used, and the water body is in a static flowing state, when the electric control board 5 starts to be used, the water level in the water conduit 2 is in a high water level, so that the water pressure of the water body flowing into the water conduit 2 is high, the flow rate is high, and the flow rate is high, so that the electric control board 5 detects that the capacitance value between the two electrodes 4 is in a range of B or close to the capacitance value B, the water level in the water conduit 2 gradually decreases along with the increase of the use time, when the water level of the water conduit 2 is in a low water level, the water pressure of the water body flowing into the water conduit 2 decreases, the flow rate is slowed, and, then the electric control board informs the user of adding water or connecting structures such as a water inlet valve and the like to realize automatic water adding.
The electric control board 5 comprises a processing chip 51 for analyzing the change of the capacitance value and a detection module 52 connected with the processing chip 51, the detection module 52 is connected with the two electrodes 4 through a circuit, and the detection module 52 is further connected with a power supply 53.
Second embodiment: an annular groove 201 which is matched with the width of the metal conductive sleeve 3 is concavely arranged on the outer end face of the water guide pipe 2, the metal conductive sleeve 3 is tightly installed in the annular groove 201 (shown in figure 3), and the outer surface of the metal conductive sleeve 3 is flush with the outer end face of the water guide pipe 2; the structure is convenient and fast to install and fix, the assembly efficiency can be improved, the distance between the metal conductive sleeve 3 and the water body is shortened, and after the structure is assembled, the whole aqueduct can be kept smooth.
The third embodiment: an annular groove 201 is formed in the outer end face of the water guide pipe 2, and the metal conductive sleeve 3 is sleeved in the annular groove 201 and then integrally encapsulated in the pipe wall of the water guide pipe 2 through injection molding (see fig. 4); can prevent that wearing and tearing from appearing in metal conducting sleeve 3 and the outer terminal surface of metal conducting sleeve 3 oxidation from appearing, make the data that detect more stable accurate, reduce the influence that the air bed between metal conducting sleeve 3 and aqueduct 2 caused.
Fourth embodiment: the injection-molded fixing can also be used to form limiting parts 202 (shown in fig. 5) for limiting the metal conductive sleeve 3 at two ends of the annular groove 201, and the limiting parts 202 are pressed against two side edges of the metal conductive sleeve 3.
As shown in fig. 2, an electric control board mounting box 6 is arranged on the water conduit 2, an electric control board 5 is mounted in the electric control board mounting box 6, and two end portions of the metal conductive sleeve 3 extend into the electric control board mounting box 6 and are connected with the electric control board 5; this structure can reduce the volume of lack of water protection device, shortens the transmission distance of circuit to data, better protects automatically controlled board 5.
As shown in fig. 3, after the electronic control board 5 is mounted on the electronic control board mounting box 6, the electronic control board mounting box 6 is filled with the packaging adhesive 7 for fixing the electronic control board 5; packaging adhesive 7 can better protect the internal structure of the electric control board 5 and the connection structure of the circuit, play a role in buffering and damping, and carry out heat insulation treatment on heat emitted by a high-temperature water body in the water guide pipe, so that the influence of heat transfer on the circuit board on the use and detection effect is avoided.
The metal conductive sleeve 3 is made of conductive metal materials or alloy materials; the metal conductive sleeve 3 made of the material has good conductivity, high detection precision and corrosion resistance, and can be placed for long-term use to generate rusting to influence the detected capacitance value data.
The water conduit 2 is made of a non-conductive material, and includes glass, plastic, rubber, or ceramic, and is preferably made of a plastic material.
The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, but rather that various changes and modifications may be made without departing from the spirit and scope of the invention, the scope of which is defined by the appended claims and their equivalents.
Claims (8)
1. A water shortage protection device for a guide pipe type is characterized in that: the water guide pipe comprises a water guide pipe (2) made of a non-metal material, wherein two arc-shaped metal conductive sleeves (3) are arranged on the outer wall of the water guide pipe (2), one end of each metal conductive sleeve (3) is provided with an electrode (4), the two electrodes (4) are connected with an electric control board (5), and the electric control board (5) is used for detecting capacitance value data between the two electrodes (4) to judge that the water guide pipe is in a water-containing state or a water-deficient state.
2. A ducted water deficit protection device according to claim 1, in which: the water guide pipe (2) is in a water-free state, the electric control board (5) detects that the basic capacitance value between the two electrodes (4) is an A value, and when the capacitance value is the A value or is close to the A value in use, the water guide pipe is judged to be in a water-deficient state;
the water guide pipe (2) is in a full water state, the electric control board (5) detects that the basic capacitance value between the two electrodes (4) is a value B, and when the water guide pipe is used, the capacitance value is between the value A and the value B, and the water guide pipe is judged to be in a water state.
3. A ducted water deficit protection device according to claim 1, in which: the electric control board (5) comprises a processing chip (51) for analyzing the change of the capacitance value and a detection module (52) connected with the processing chip (51), the detection module (52) is connected with the two electrodes (4) through a circuit, and the detection module (52) is further connected with a power supply (53).
4. A ducted water deficit protection device according to claim 1, in which: the outer end face of the water guide pipe (2) is concavely provided with an annular groove (201) matched with the width of the metal conductive sleeve (3), the metal conductive sleeve (3) is tightly installed in the annular groove (201), and the outer surface of the metal conductive sleeve (3) is flush with the outer end face of the water guide pipe (2).
5. A ducted water deficit protection device according to claim 1, in which: an annular groove (201) is formed in the outer end face of the water guide pipe (2), and the metal conductive sleeve (3) is sleeved in the annular groove (201) and then is packaged in the pipe wall of the water guide pipe (2) through injection molding.
6. A ducted water deficit protection device according to claim 1, in which: an electric control board mounting box (6) is arranged on the water guide pipe (2), an electric control board (5) is mounted in the electric control board mounting box (6), and two end parts of the metal conductive sleeve (3) extend into the electric control board mounting box (6) and are connected with the electric control board (5).
7. A ducted water deficit protection device according to claim 6, in which: and after the electric control board (5) is installed on the electric control board installation box (6), the electric control board installation box (6) is filled with packaging glue (7) for fixing the electric control board (5).
8. A ducted water deficit protection device according to claim 1, in which: the metal conductive sleeve (3) is made of conductive metal materials or conductive alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020388835.XU CN212389549U (en) | 2020-03-24 | 2020-03-24 | Water shortage protection device for conduit type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020388835.XU CN212389549U (en) | 2020-03-24 | 2020-03-24 | Water shortage protection device for conduit type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212389549U true CN212389549U (en) | 2021-01-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020388835.XU Active CN212389549U (en) | 2020-03-24 | 2020-03-24 | Water shortage protection device for conduit type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212389549U (en) |
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2020
- 2020-03-24 CN CN202020388835.XU patent/CN212389549U/en active Active
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