CN115791001A - Water leakage contactless detection device of central soft water filtering system - Google Patents
Water leakage contactless detection device of central soft water filtering system Download PDFInfo
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- CN115791001A CN115791001A CN202211647231.2A CN202211647231A CN115791001A CN 115791001 A CN115791001 A CN 115791001A CN 202211647231 A CN202211647231 A CN 202211647231A CN 115791001 A CN115791001 A CN 115791001A
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- supporting head
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Abstract
The invention relates to a detection device, in particular to a water leakage contactless detection device of a central soft water filtering system. It includes a support head. The support head is made of insulating material and is provided with a detection circuit. The detection circuit comprises a control unit and an induction capacitor, wherein the control unit is connected with the induction capacitor in an adaptive mode. The induction capacitor is vertically arranged, at least two pole pieces of the induction capacitor are arranged from top to bottom, so that a detection point position is formed and faces to one side, in contact with liquid, of the support head, and the detection point position is in adaptive connection with the control unit. And the induction capacitor is used for sending a liquid level signal to the control unit when the liquid level reaches the detection point position. The control unit is used for converting the liquid level signal into an electric signal and transmitting the electric signal to an external control device. The detection device has the advantages that the problem of detection failure cannot occur.
Description
Technical Field
The invention relates to a detection device, in particular to a water leakage contactless detection device of a central soft water filtering system for detecting water leakage.
Background
Along with the continuous improvement of the living standard of people, the central soft water system is applied more and more, and the loading capacity is larger and larger. In the actual use process, the water leakage problem caused by various reasons such as sudden power failure, aging and the like in the installation, cleaning and regeneration processes is more and more. In order to reduce the loss caused by water leakage, a water leakage detection device is installed in the central soft water system.
Currently, there are three detection devices for the existing central soft water filtration system, which are a probe detection device, a resistance detection device and a TDS detection device. The probe detection device, the resistance detection device and the TDS detection device are all contact detection devices, namely detection heads of the probe detection device, the resistance detection device and the TDS detection device are all required to be in direct contact with water to send signals. However, the probe is directly contacted with water and is easily oxidized, and the surface of the probe is also easily scaled, thereby causing a problem of detection failure.
Disclosure of Invention
The invention aims to solve the technical problem of providing a contactless water leakage detection device of a central soft water filtering system, which does not have the problem of detection failure.
In order to solve the problems, the following technical scheme is provided:
the invention relates to a water leakage contactless detection device of a central soft water filtering system. The support head is made of insulating material and is provided with a detection circuit. The detection circuit comprises a control unit and an induction capacitor, wherein the control unit is connected with the induction capacitor in an adaptive mode. The induction capacitor is vertically arranged, at least two pole pieces of the induction capacitor are arranged from top to bottom, so that a detection point position is formed and faces to one side, in contact with liquid, of the support head, and the detection point position is in adaptive connection with the control unit.
The inductive capacitor is used for sending a liquid level signal to the control unit when the liquid level reaches the detection point position.
The control unit is used for converting the liquid level signal into an electric signal and transmitting the electric signal to an external control device.
The support head is in a cylindrical shape, a cover plate is fixed at the opening of the support head, the detection circuit is positioned in the support head, the induction capacitor abuts against one side wall of the support head, the detection point abuts against the inner side wall of the support head, and the support head is filled with an insulating block, so that the detection circuit is fixed in the support head.
The support head is in a cylindrical shape, the opening of the support head faces upwards, the detection circuit is fixed on the outer side wall of the support head, the induction capacitor abuts against one side wall of the support head, and the detection point abuts against the outer side wall of the support head.
The support head is in a cylindrical shape, the mouth of the support head faces downwards, the detection circuit is fixed on the outer side wall of the support head, the induction capacitor is abutted to one side wall of the support head, and the detection point is abutted to the outer side wall of the support head.
The detection circuit is provided with a PCB, the control unit is an MCU, the MCU and the induction capacitor are integrated on the PCB, detection points of the induction capacitor are connected with the MCU through a resistor R, and one end of the resistor R connected with the MCU is grounded through a filter capacitor.
The PCB is provided with a plug connector, and the VCC pin, the TXD pin and the RXD pin of the MCU are all connected with the plug connector through wires.
The lower end of the supporting head is provided with an annular outer flange, and a fixing hole is formed in the annular outer flange.
By adopting the scheme, the method has the following advantages:
the support head of the water leakage contactless detection device of the central soft water filtering system is made of insulating materials, a detection circuit is arranged on the support head, the detection circuit comprises a control unit and an induction capacitor, the control unit is in adaptive connection with a lead, the capacitor is vertically arranged, at least two pole pieces are arranged from top to bottom, so that detection point positions are formed, the detection point positions face to one side, in contact with liquid, of the support head, and the detection point positions are in adaptive connection with the control unit. When in use, the support head is arranged at the water leakage monitoring point of the central soft water system. When leaking, the water level of the water leakage monitoring point rises, when the liquid level reaches the position of the detection point, the detection point detects a liquid level signal and sends the liquid level signal to the control unit, and the control unit converts the liquid level signal into an electric signal and transmits the electric signal to the external control device, so that the water leakage detection can be realized. The non-contact detection device detects the water level by using the induction capacitor, and the detection head does not need to be in direct contact with water, so that the problem of oxidation or scaling of the detection head is completely avoided, the detection is ensured not to be invalid, and the detection result is always accurate.
Drawings
FIG. 1 is a schematic view showing a configuration of a water leakage non-contact detecting apparatus of a central soft water filtering system according to the present invention in a state of being implemented;
FIG. 2 is a schematic view showing the construction of a non-contact detecting device for water leakage in a central soft water filtering system according to the present invention in two states;
FIG. 3 is a schematic structural diagram of a water leakage contactless detection device of the central soft water filtering system of the invention in three states of implementation;
FIG. 4 is a circuit diagram of a detection circuit in the water leakage non-contact detecting apparatus of the central soft water filtering system of the present invention.
Detailed Description
The invention is described in further detail below with reference to the figures and examples.
Example one
As shown in fig. 1 and 4, the water leakage non-contact detecting apparatus of the central soft water filtering system of the present invention includes a support head 1. The support head 1 is made of an insulating material and has a detection circuit thereon. The detection circuit comprises a control unit and an induction capacitor, wherein the control unit is connected with the induction capacitor in an adaptive mode. The induction capacitors are vertically arranged, at least two pole pieces of the induction capacitors are arranged from top to bottom, so that detection point positions are formed and face to one side, in contact with liquid, of the support head 1, and the detection point positions are in adaptive connection with the control unit. And the induction capacitor is used for sending a liquid level signal to the control unit when the liquid level reaches the detection point position. The control unit is used for converting the liquid level signal into an electric signal and transmitting the electric signal to the external control device 2. The water level detection is carried out by utilizing the induction capacitor, and the detection point position does not need to be in direct contact with water, so that the problem of probe oxidation or scaling is completely avoided, the detection is ensured not to fail, and the detection result is always accurate.
The detection circuit is provided with a PCB 6, the control unit is an MCU, the MCU and the induction capacitor are integrated on the PCB, detection points of the induction capacitor are connected with the MCU through a resistor R, and one end of the resistor R connected with the MCU is grounded through a filter capacitor.
In order to facilitate the external connection of the control device 2, the PCB is provided with a plug connector, and the VCC pin, the TXD pin and the RXD pin of the MCU are all connected with the plug connector through wires. The plug is connected with a VCC pin of the MCU and used for realizing the transmission of power supply voltage.
The support head 1 is cylindrical, a cover plate 3 is fixed at the opening of the support head 1, the detection circuit is located in the support head 1, the induction capacitor abuts against one side wall of the support head 1, the detection point abuts against the inner side wall of the support head 1, and the support head 1 is filled with an insulating block, so that the detection circuit is fixed in the support head 1. The insulating block is manufactured by pouring sealant into the supporting head 1.
In order to be connected with a detection position of a central soft water filtering system conveniently, the lower end of the support head 1 is provided with an annular outer flange 4, and a fixing hole 5 is formed in the annular outer flange 4.
In this embodiment, there are four detection points, which are divided into a, B, C and D from top to bottom.
When in use, the support head 1 is arranged at a water leakage monitoring point of a central soft water system. The plug is connected with an external control device 2 through a lead. When leaking and taking place, the water level of monitoring point that leaks rises, from the top and over support head 1, when the liquid level arrived detection point location D's position, detection point location D detected liquid level signal and sent for MCU, MCU turned into the signal of telecommunication with water level signal and sent for controlling means 2 through the lead wire, the water level continues to rise, then from D, C, B, A sense the water level in proper order, and MCU is different signal of telecommunication and sends for controlling means 2 in proper order and all in proper order with liquid level signal conversion. The control device 2 can obtain the current water leakage state according to the received electric signal, and then corresponding treatment measures are taken.
The water leakage contactless detection device of the central soft water filtering system of the embodiment is suitable for water leakage detection of water level rise.
Example two
As shown in fig. 2 and 4, the water leakage non-contact detecting apparatus of the central soft water filtering system of the present invention includes a support head 1. The support head 1 is made of an insulating material and has a detection circuit thereon. The detection circuit comprises a control unit and an induction capacitor, wherein the control unit is connected with the induction capacitor in an adaptive mode. The induction capacitor is vertically arranged, at least two pole pieces of the induction capacitor are arranged from top to bottom, so that a detection point position is formed and faces to one side, in contact with liquid, of the support head 1, and the detection point position is in adaptive connection with the control unit. The inductive capacitor is used for sending a liquid level signal to the control unit when the liquid level reaches the detection point position. The control unit is used for converting the liquid level signal into an electric signal and transmitting the electric signal to the external control device 2. The water level detection is carried out by utilizing the induction capacitor, and the detection point position does not need to be in direct contact with water, so that the problem of probe oxidation or scaling is completely avoided, the detection is ensured not to fail, and the detection result is always accurate.
The detection circuit is provided with a PCB 6, the control unit is an MCU, the MCU and the induction capacitor are integrated on the PCB, detection points of the induction capacitor are connected with the MCU through a resistor R, and one end of the resistor R connected with the MCU is grounded through a filter capacitor.
In order to facilitate the external connection of the control device 2, the PCB is provided with a plug connector, and the VCC pin, the TXD pin and the RXD pin of the MCU are all connected with the plug connector through wires. The plug is connected with a VCC pin of the MCU and used for realizing the transmission of power supply voltage.
The support head 1 is in a cylindrical shape, the opening of the support head is upward, the detection circuit is fixed on the outer side wall of the support head 1, the induction capacitor abuts against one side wall of the support head 1, and the detection point abuts against the outer side wall of the support head 1.
In order to be connected with a detection position of a central soft water filtering system conveniently, the lower end of the support head 1 is provided with an annular outer flange 4, and a fixing hole 5 is formed in the annular outer flange 4.
In this embodiment, there are four detection points, which are divided into a, B, C, and D from top to bottom.
When the PCB 6 is installed, a gap is formed in one side wall of the supporting head 1, then the PCB 6 is placed, and sealant is filled.
When in use, the support head 1 is arranged at a water leakage monitoring point of the central soft water system, and the mouth part of the support head 1 faces to a leakage position. The plug is connected with an external control device 2 through a lead. When water leakage occurs, the liquid level exceeds the leakage position and flows into the support head 1 from the top, and the liquid level in the support head 1 gradually rises. When the liquid level arrived the position of detection position D, detection position D detected the liquid level signal and sent for MCU, and MCU changes the water level signal into the signal of telecommunication and sends for controlling means 2 through the lead wire, and the water level continues to rise, then senses the water level from D, C, B, A in proper order, and MCU is in proper order and all is in proper order with the liquid level signal conversion and is different signal of telecommunication and send for controlling means 2. The control device 2 can obtain the current water leakage state according to the received electric signal, and then corresponding treatment measures are taken.
The water leakage contactless detection device of the central soft water filtering system of the embodiment is suitable for water leakage detection of water level leakage.
EXAMPLE III
As shown in fig. 3 and 4, the water leakage non-contact detecting apparatus of the central soft water filtering system of the present invention includes a support head 1. The support head 1 is made of an insulating material and has a detection circuit thereon. The detection circuit comprises a control unit and an induction capacitor, wherein the control unit is connected with the induction capacitor in an adaptive mode. The induction capacitor is vertically arranged, at least two pole pieces of the induction capacitor are arranged from top to bottom, so that a detection point position is formed and faces to one side, in contact with liquid, of the support head 1, and the detection point position is in adaptive connection with the control unit. The inductive capacitor is used for sending a liquid level signal to the control unit when the liquid level reaches the detection point position. The control unit is used for converting the liquid level signal into an electric signal and transmitting the electric signal to the external control device 2. The water level detection is carried out by utilizing the induction capacitor, and the detection point position does not need to be in direct contact with water, so that the problem of probe oxidation or scaling is completely avoided, the detection is ensured not to fail, and the detection result is always accurate.
The detection circuit is provided with a PCB 6, the control unit is an MCU, the MCU and the induction capacitor are integrated on the PCB, detection points of the induction capacitor are connected with the MCU through a resistor R, and one end of the resistor R connected with the MCU is grounded through a filter capacitor.
In order to facilitate the external connection of the control device 2, the PCB is provided with a plug connector, and the VCC pin, the TXD pin and the RXD pin of the MCU are all connected with the plug connector through wires. The plug is connected with a VCC pin of the MCU and used for realizing the transmission of power supply voltage.
In order to be connected with a detection position of a central soft water filtering system conveniently, the lower end of the support head 1 is provided with an annular outer flange 4, and a fixing hole 5 is formed in the annular outer flange 4.
When the PCB 6 is installed, a gap is formed in one side wall of the supporting head 1, then the PCB 6 is placed, and sealant is filled.
When in use, the support head 1 is arranged at the leakage position of the water leakage monitoring point of the central soft water system. The plug is connected with an external control device 2 through a lead. When water leakage occurs, the liquid level exceeds the highest point and flows into the leakage position from top to bottom, the inner liquid level at the leakage position gradually rises, and the liquid level enters from the opening part of the support head 1. When the liquid level reached the position of detection position D, detection position D detected the liquid level signal and sent for MCU, and MCU changes the water level signal into the signal of telecommunication and sends for controlling means 2 through the lead wire, and the water level continues to rise, then senses the water level from D, C, B, A in proper order, and MCU is in proper order and all is the signal of telecommunication of difference with the liquid level signal conversion in proper order and sends for controlling means 2. The control device 2 can obtain the current water leakage state according to the received electric signal, and then corresponding treatment measures are taken.
The water leakage contactless detection device of the central soft water filtering system of the embodiment is suitable for water leakage detection of water level leakage.
Claims (7)
1. A water leakage contactless detection device of a central soft water filtering system comprises a support head; the support head is made of insulating material and is provided with a detection circuit; the detection circuit comprises a control unit and an induction capacitor, and the control unit is in adaptive connection with the induction capacitor; the induction capacitors are vertically arranged, at least two pole pieces of the induction capacitors are arranged from top to bottom, so that detection points are formed and face to the side, in contact with the liquid, of the support head, and the detection points are in adaptive connection with the control unit;
the induction capacitor is used for sending a liquid level signal to the control unit when the liquid level reaches the detection point position;
the control unit is used for converting the liquid level signal into an electric signal and transmitting the electric signal to an external control device.
2. The contactless detection device for water leakage of central soft water filtering system as claimed in claim 1, wherein the supporting head is cylindrical, a cover plate is fixed to the mouth of the supporting head, the detection circuit is located in the supporting head, the sensing capacitor is abutted against one side wall of the supporting head, the detection point is abutted against the inner side wall of the supporting head, and the supporting head is filled with an insulating block so that the detection circuit is fixed in the supporting head.
3. The contactless detection device for water leakage of central soft water filtering system as claimed in claim 1, wherein the supporting head is cylindrical with its mouth portion facing upward, the detection circuit is fixed on the outer sidewall of the supporting head, and the sensing capacitor is abutted against one sidewall of the supporting head, and the detection point is abutted against the outer sidewall of the supporting head.
4. The contactless detection device for water leakage of central soft water filtering system as claimed in claim 1, wherein the supporting head is cylindrical with its mouth facing downward, the detection circuit is fixed on the outer sidewall of the supporting head, the sensing capacitor is against one sidewall of the supporting head, and the detection point is against the outer sidewall of the supporting head.
5. The non-contact detection device for water leakage in a central soft water filtration system according to any one of claims 2 to 4, wherein the detection circuit has a PCB board, the control unit is an MCU, the MCU and the sensing capacitor are integrated on the PCB board, the detection points of the sensing capacitor are connected to the MCU through a resistor R, and one end of the resistor R connected to the MCU is grounded through a filter capacitor.
6. The contactless detection device for water leakage of central soft water filtration system of claim 5, wherein the PCB has a plug, and the VCC pin, TXD pin and RXD pin of the MCU are all connected to the plug by wires.
7. The non-contact detection device for water leakage in central soft water filtration system of claim 5, wherein the lower end of the support head has an external annular flange with fixing holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211647231.2A CN115791001A (en) | 2022-12-21 | 2022-12-21 | Water leakage contactless detection device of central soft water filtering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211647231.2A CN115791001A (en) | 2022-12-21 | 2022-12-21 | Water leakage contactless detection device of central soft water filtering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115791001A true CN115791001A (en) | 2023-03-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211647231.2A Pending CN115791001A (en) | 2022-12-21 | 2022-12-21 | Water leakage contactless detection device of central soft water filtering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115791001A (en) |
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2022
- 2022-12-21 CN CN202211647231.2A patent/CN115791001A/en active Pending
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