CN112731537B - Water sensor assembly with multi-point detection function - Google Patents
Water sensor assembly with multi-point detection function Download PDFInfo
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- CN112731537B CN112731537B CN202011562852.1A CN202011562852A CN112731537B CN 112731537 B CN112731537 B CN 112731537B CN 202011562852 A CN202011562852 A CN 202011562852A CN 112731537 B CN112731537 B CN 112731537B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
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Abstract
The invention relates to a water sensor assembly with a multi-point detection function, which comprises a main sensor and at least one expansion module, wherein the main sensor comprises a main shell part, a signal processing unit, a floating detection contact assembly and an external interface, the floating detection contact assembly comprises a support, a first insulating sleeve, a first insulator and two first contact conductors, the front ends of the first contact conductors extend out of the main shell part, the rear ends of the first contact conductors are connected with the signal processing unit through leads, the signal processing unit is connected with the external interface, and the external interface is connected with a main cable; the expansion module comprises an auxiliary shell component and an expansion contact assembly, the expansion contact assembly comprises a second insulating sleeve, a second insulator and two second contact conductors, the front ends of the second contact conductors extend out of the auxiliary shell component, the rear ends of the second contact conductors are connected with a matching cable, and the matching cable is connected with the main cable. The invention has the advantages of strong environmental adaptability, convenient installation, low requirement on the coupling surface of the sensor, strong expansibility and the like.
Description
Technical Field
The invention belongs to the technical field of sensors, and particularly relates to a water sensor assembly with a multi-point detection function.
Background
The traditional contact type water sensor mainly fixes a sensor contact (or a coupling surface) at a detected part in a mode of bonding or rigidly crimping the sensor contact, and has the defects of poor environmental vibration adaptability, high requirement on the coupling surface and the like. In addition, the traditional sensor does not have a contact expansion function, one sensor can only detect whether water exists in one position at the same time, the defects of misjudgment, complex monitoring system and the like exist, and inconvenience is brought to installation and use of users.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a water sensor assembly with a multi-point detection function, which can be applied to a vibration environment and can detect whether water exists in a plurality of positions.
The purpose of the invention and the technical problem to be solved are realized by adopting the following technical scheme. The invention provides a water sensor assembly, which comprises a main sensor and at least one expansion module, wherein the main sensor comprises a main shell part, a signal processing unit, a floating detection contact assembly and an external interface, the signal processing unit, the floating detection contact assembly and the external interface are arranged in the main shell part; a first elastic piece is arranged between the first insulating sleeve and the first insulator, the front end of the first contact conductor extends out of the main shell part, the rear end of the first contact conductor is electrically connected with the signal processing unit through a lead, the signal processing unit is electrically connected with an external interface, and the external interface is connected with a main cable;
the expansion module comprises an auxiliary shell component and an expansion contact assembly arranged in the auxiliary shell component, the expansion contact assembly comprises a second insulating sleeve fixed in the auxiliary shell component, a second insulator slidably mounted at the front end of the auxiliary shell component along the front-back direction, and two second contact conductors parallelly penetrating the second insulator, a second elastic part is arranged between the second insulating sleeve and the second insulator, the front end of each second contact conductor extends out of the auxiliary shell component, the rear end of each second contact conductor is connected with a matching cable, and the matching cable penetrates out of the auxiliary shell component and then is electrically connected with the main cable.
The object of the invention is further achieved by the following technical measures.
Further, the main shell component comprises a first shell and a first end cover which covers the front end opening of the first shell; the sub-housing member includes a second housing and a second end cap covering the opening at the front end of the second housing.
Furthermore, a first mounting piece for mounting the main sensor on the detected part is arranged at the front end of the first end cover; the front end of the second end cover is provided with a second mounting piece used for mounting the expansion module on the detected part.
Further, the first mounting part and the second mounting part are both magnetic coupling elements.
Further, the first elastic piece and the second elastic piece both adopt cylindrical springs.
Furthermore, install the support column on the first end cover, be equipped with on the support column the support and be located the signal processing unit on the support, thereby fastening screw passes signal processing unit, support back in proper order and support column threaded connection realizes fixing support and signal processing unit.
Furthermore, the rear end of the first contact conductor is electrically connected with the lead in a welding mode, and a first insulating sleeve is sleeved at the welding position of the first contact conductor and the lead; the rear end of the second contact conductor is electrically connected with the matching cable in a welding mode, and a second insulating sleeve is sleeved at the welding position of the second contact conductor and the matching cable.
Furthermore, the outer walls of the first contact conductor and the second contact conductor are provided with barbs.
Furthermore, a clamping component for clamping the matched cable is arranged on the auxiliary shell component.
Furthermore, a first sliding groove for guiding the first insulator to slide is formed in the rear end face of the first end cover, and a second sliding groove for guiding the second insulator to slide is formed in the rear end face of the second end cover.
By means of the technical scheme, the detection device comprises the main sensor and the expansion module, the detection contacts with the floating function are installed in the main sensor and the expansion module, the contact conductor can be ensured to be in good contact with the installation surface of the detected part in a vibration environment, and the requirement of the sensor on the flatness of the installation surface is lowered; in addition, the expansion module is electrically connected with a main cable of the main sensor through a self-contained matching cable, and processes the acquired signals in the main sensor according to needs, so that water detection on a plurality of parts needing to be detected is realized.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic sectional view of a main sensor according to the present invention.
FIG. 2 is a side view of the primary sensor of the present invention.
Fig. 3 is a schematic bottom view of the primary sensor of the present invention.
Fig. 4 is a schematic top view of the primary sensor of the present invention.
Fig. 5 is a schematic cross-sectional structure diagram of an expansion module according to the present invention.
Fig. 6 is a schematic bottom view of an expansion module of the present invention.
Fig. 7 is a schematic top view of an expansion module of the present invention.
Detailed Description
The following detailed description is to be read in connection with the drawings and the preferred embodiments.
A specific embodiment of a water sensor assembly with multi-point detection function, as shown in fig. 1-7, includes a main sensor and at least one expansion module, with the detection end of the main sensor as its front end and the detection end of the expansion module as its front end; the main sensor comprises a main shell part, a signal processing unit 1 arranged in the main shell part, a floating detection contact assembly and an external interface 2, wherein the main shell part comprises a first shell 3 and a first end cover 4 covering the front end opening of the first shell 3, and the connection form of the first shell and the first end cover is not limited to bolt fixation or buckle connection or thread fit.
The floating detection contact assembly comprises a bracket 5 fixed in the main shell part, a first insulating sleeve 6 arranged at the front end of the bracket, a first insulator 7 arranged at the front end of the main shell part in a sliding manner along the front-back direction, and two first contact conductors 8 parallelly penetrated in the first insulator; a first elastic piece 9 is arranged between the first insulating sleeve and the first insulator; the front end of the first contact conductor 8 extends out of the front end surface of the main shell part, and the rear end is electrically connected with the signal processing unit 1 through a lead 10. In this embodiment, the first elastic member is preferably a cylindrical spring, the rear end of the cylindrical spring is sleeved on the first insulating sleeve, the front end of the cylindrical spring abuts against the rear end step of the first insulator, and the first insulator is pressed against the rear end surface of the first end cover in the non-detection state of the main sensor; with reference to fig. 1, in a free state, a pre-compression force in a front end direction is applied to the first insulator 7 by the pre-compression of the cylindrical spring, so that the first contact conductor 8 can be ensured to be in close contact with the detected surface when the first contact conductor is expanded and contracted along with the fluctuation of the mounting surface or environmental vibration, and the adaptability and the contact reliability of the main sensor to the coupling surface and the vibration environment are improved. The signal processing unit 1 is electrically connected with the external interface 2 through a cable 11, and the external interface 2 is connected with a main cable 12; preferably, the external interface is a socket, one end of the main cable is a plug which is in adaptive plug connection with the external interface, the other end of the main cable can be divided into a plurality of interfaces, and the interfaces can be plug connectors or socket connectors so as to be connected with an external power supply, user monitoring equipment and a plurality of expansion modules, and power supply and signal transmission of the main sensor are achieved.
The expansion module comprises an auxiliary shell component and an expansion contact assembly arranged in the auxiliary shell component, the auxiliary shell component comprises a second shell 13 and a second end cover 14 covering an opening at the front end of the second shell, and the connection form of the second shell and the second end cover is not limited to bolt fixing, buckling connection or threaded fit and the like. The expansion contact assembly comprises a second insulating sleeve 15 fixed in the auxiliary shell component, a second insulator 16 slidably mounted at the front end of the auxiliary shell component in the front-back direction, and two second contact conductors 17 parallelly penetrating the second insulator, wherein a second elastic part 18 is arranged between the second insulating sleeve and the second insulator, the front end of each second contact conductor extends out of the front end face of the auxiliary shell component, the rear end of each second contact conductor is electrically connected with a matched cable 19, the second elastic part 18 is preferably a cylindrical spring, the second elastic part has the same function as the first elastic part, and applies pretightening force to the corresponding insulator so as to ensure that the front end detection end of the corresponding contact conductor can still keep good contact with a detected surface in a vibration environment. Furthermore, the matching cable 19 penetrates out of the rear end of the auxiliary shell component and is electrically connected with the main cable 12, and the connection of the matching cable and the main cable is preferably in a plug-and-socket mutual plugging mode. Specifically, the rear end face of the first end cover is provided with a first sliding groove 20 for guiding the first insulator to slide, the rear end face of the second end cover 14 is provided with a second sliding groove 21 for guiding the second insulator to slide, and each sliding groove plays a guiding role in guiding the corresponding insulator when the insulator axially floats, so that the insulators are prevented from radially swinging as much as possible in the axial floating process.
The front end of the first end cover is provided with a first mounting piece 22 for mounting the main sensor on the corresponding detected part, and the front end of the second end cover is provided with a second mounting piece 23 for mounting the expansion module on the corresponding detected part; preferably, the first mounting part and the second mounting part are both magnetic coupling elements, namely magnets, and the water sensor assembly is quickly mounted by being adsorbed on the detected part through the magnets; of course, in other embodiments, the first/second mounting component may also be a suction component such as a suction cup, or a fastening component such as a bolt or a buckle, which is not limited by the present invention. With reference to fig. 3 and 6, the magnetic coupling elements are uniformly distributed at the front end of the corresponding end cover along the circumferential direction, so as to ensure the stability of installation.
In this embodiment, a supporting column 24 is installed on the first end cover, the supporting column 24 is arranged at the rear end of the first end cover in a threaded connection manner, the support 5 and the signal processing unit 1 located on the support are arranged on the supporting column 24, the signal processing unit 1 is a circuit board element, and the tail end of a fastening screw 25 sequentially penetrates through the signal processing unit and the support and then is in threaded connection with the supporting column, so that the support and the signal processing unit are fixed; in order to prevent the signal processing unit from being damaged due to crushing of the fastening screw during screwing or under a vibration environment, a spring washer 26 positioned between the head end of the screw and the signal processing unit is sleeved on the fastening screw, so that the signal processing unit is protected in a buffering way; furthermore, a flat gasket 27 may be provided between the support column and the first end cap.
Preferably, the rear end of the first contact conductor is electrically connected with the lead in a welding mode, a first insulating sleeve 28 is sleeved at the welding position of the first contact conductor and the lead, the rear end of the second contact conductor is electrically connected with the matching cable in a welding mode, a second insulating sleeve 29 is sleeved at the welding position of the second contact conductor and the matching cable, each insulating sleeve adopts a heat shrink tube to realize insulating protection on welding spots, and the strength of the welding spots is guaranteed when each contact conductor axially floats.
The first contact conductor and the second contact conductor are needle-shaped or columnar structural members, and the outer walls of the first contact conductor and the second contact conductor are provided with a plurality of barbs 30 along the axial direction or the radial direction, so that the fixed assembly of the contact conductors and the corresponding insulators is realized; in other embodiments, the contact conductors may also be in a sheet structure, the shape of each contact conductor is not limited by the present invention, and the fixing form of each contact conductor is not limited to the forced fixing by a barb structure, and may also be in a form of bonding or positioning by a step, etc.
The rear end of the expansion module is provided with a clamping part 31, the clamping part is preferably a cable clamping line pressing plate, the detection contact composed of a second insulator and a second contact conductor is ensured to drag a matched cable 19 at the tail of the module when floating or the expansion module is installed, and the internal wiring of the module and the cable at the tail of the module are prevented from being damaged.
When the water detection device is used, when a detection contact (composed of a first insulator and a first contact conductor) of the main sensor is in contact with water, the main sensor is conducted, two first contact conductors form a closed loop, the signal processing unit is triggered to work, the signal processing unit carries out preprocessing and logic judgment on the acquired signals, and then level signals are output to user monitoring equipment through the external interface and the main cable, so that water detection is realized. When water detection is needed to be carried out on a plurality of positions, whether the number of water positions is matched with a corresponding number of expansion modules is detected according to the need, matched cables of the expansion modules are connected to an end interface of a main cable so as to transmit detection signals acquired by detection contacts (composed of a second insulator and a second contact conductor) of the expansion modules to a signal processing unit in the main sensor, the signal processing unit carries out logic processing on the detection signals according to user requirements so as to output level signals required by users, and therefore when the main sensor is matched with the expansion modules for use, one detection contact of the main sensor can be expanded into N detection contacts so as to realize water detection on N positions at the same time.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art can make any simple modification, equivalent change and modification to the above embodiments according to the technical essence of the present invention without departing from the scope of the present invention, and still fall within the scope of the present invention.
Claims (10)
1. A there is water sensor subassembly with multiple spot detects function which characterized in that: the device comprises a main sensor and at least one expansion module, wherein the main sensor comprises a main shell part, a signal processing unit, a floating detection contact assembly and an external interface, the signal processing unit, the floating detection contact assembly and the external interface are arranged in the main shell part, the floating detection contact assembly comprises a support fixed in the main shell part, a first insulating sleeve arranged at the front end of the support, a first insulator arranged at the front end of the main shell part in a sliding mode along the front-back direction, and two first contact conductors parallelly penetrating into the first insulator; a first elastic piece is arranged between the first insulating sleeve and the first insulator, the front end of the first contact conductor extends out of the main shell part, the rear end of the first contact conductor is electrically connected with the signal processing unit through a lead, the signal processing unit is electrically connected with an external interface, and the external interface is connected with a main cable;
the expansion module comprises an auxiliary shell component and an expansion contact assembly arranged in the auxiliary shell component, the expansion contact assembly comprises a second insulating sleeve fixed in the auxiliary shell component, a second insulator slidably mounted at the front end of the auxiliary shell component along the front-back direction, and two second contact conductors parallelly penetrating the second insulator, a second elastic part is arranged between the second insulating sleeve and the second insulator, the front end of each second contact conductor extends out of the auxiliary shell component, the rear end of each second contact conductor is connected with a matching cable, and the matching cable penetrates out of the auxiliary shell component and then is electrically connected with the main cable.
2. The water sensor assembly with multipoint detection function according to claim 1, wherein: the main shell part comprises a first shell and a first end cover for covering the front end opening of the first shell; the sub-housing member includes a second housing and a second end cap covering the opening at the front end of the second housing.
3. A water sensor assembly with multipoint detection functionality according to claim 2 wherein: the front end of the first end cover is provided with a first mounting piece for mounting the main sensor on a detected part; the front end of the second end cover is provided with a second mounting piece used for mounting the expansion module on the detected part.
4. A water sensor assembly with multipoint detection functionality according to claim 3 wherein: the first installation part and the second installation part are both magnetic coupling elements.
5. The water sensor assembly with multipoint detection function according to claim 1, wherein: the first elastic piece and the second elastic piece are cylindrical springs.
6. A water sensor assembly with multipoint detection functionality according to claim 2 wherein: install the support column on the first end cover, be equipped with on the support column the support and be located the signal processing unit on the support, thereby fastening screw passes signal processing unit, support back in proper order and support column threaded connection realizes fixing support and signal processing unit.
7. The water sensor assembly with multipoint detection function according to claim 1, wherein: the rear end of the first contact conductor is electrically connected with the lead in a welding mode, and a first insulating sleeve is sleeved at the welding position of the first contact conductor and the lead; the rear end of the second contact conductor is electrically connected with the matching cable in a welding mode, and a second insulating sleeve is sleeved at the welding position of the second contact conductor and the matching cable.
8. The water sensor assembly with multipoint detection function according to claim 1, wherein: the outer walls of the first contact conductor and the second contact conductor are provided with barbs.
9. The water sensor assembly with multipoint detection function according to claim 1, wherein: and the auxiliary shell part is provided with a clamping part for clamping a matched cable.
10. A water sensor assembly with multipoint detection function according to any of claims 2-4 or 6 wherein: the rear end face of the first end cover is provided with a first sliding groove for guiding the first insulator to slide, and the rear end face of the second end cover is provided with a second sliding groove for guiding the second insulator to slide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011562852.1A CN112731537B (en) | 2020-12-25 | 2020-12-25 | Water sensor assembly with multi-point detection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011562852.1A CN112731537B (en) | 2020-12-25 | 2020-12-25 | Water sensor assembly with multi-point detection function |
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| Publication Number | Publication Date |
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| CN112731537A CN112731537A (en) | 2021-04-30 |
| CN112731537B true CN112731537B (en) | 2022-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011562852.1A Active CN112731537B (en) | 2020-12-25 | 2020-12-25 | Water sensor assembly with multi-point detection function |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB545692A (en) * | 1940-11-28 | 1942-06-08 | Frank George Gillard | Improvements in or relating to electric couplings |
| US6202980B1 (en) * | 1999-01-15 | 2001-03-20 | Masco Corporation Of Indiana | Electronic faucet |
| CN101187307A (en) * | 2007-12-14 | 2008-05-28 | 北京蔚蓝仕科技有限公司 | Optical fiber multi-point temperature and pressure measuring method for intelligent well and the device therefor |
| CN101783059A (en) * | 2009-01-18 | 2010-07-21 | 董长军 | Violent earthquake predictor of liquid suspended and magnetic suspended insulation heavy seismometer |
| CN105125255A (en) * | 2015-10-12 | 2015-12-09 | 重庆市生耐美科技有限公司 | Ultrasonic transducer separable slip-ring type cable |
-
2020
- 2020-12-25 CN CN202011562852.1A patent/CN112731537B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB545692A (en) * | 1940-11-28 | 1942-06-08 | Frank George Gillard | Improvements in or relating to electric couplings |
| US6202980B1 (en) * | 1999-01-15 | 2001-03-20 | Masco Corporation Of Indiana | Electronic faucet |
| CN101187307A (en) * | 2007-12-14 | 2008-05-28 | 北京蔚蓝仕科技有限公司 | Optical fiber multi-point temperature and pressure measuring method for intelligent well and the device therefor |
| CN101783059A (en) * | 2009-01-18 | 2010-07-21 | 董长军 | Violent earthquake predictor of liquid suspended and magnetic suspended insulation heavy seismometer |
| CN105125255A (en) * | 2015-10-12 | 2015-12-09 | 重庆市生耐美科技有限公司 | Ultrasonic transducer separable slip-ring type cable |
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| Publication number | Publication date |
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| CN112731537A (en) | 2021-04-30 |
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