CN205091023U

CN205091023U - Water tank sensor

Info

Publication number: CN205091023U
Application number: CN201520908571.5U
Authority: CN
Inventors: 王建林
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-11-13
Filing date: 2015-11-13
Publication date: 2016-03-16
Anticipated expiration: 2025-11-13

Abstract

The utility model provides a water tank sensor, it is little influenced by quality of water electric conductivity, and the structure is comparatively simple, less, the light in weight of volume, and it is including arranging the outer detection circuitry of water tank in, and still including installing pole (1), electrode support (2) and many conducting rod (3), installation pole (1) is connected with electrode support (2) for it, and the one end and the electrode support (2) of many conducting rod (3) are connected, the equal electricity of one end of many conducting rods (3) be connected with a conductor of being connected with the detection circuitry electricity, have one conduct public copolar common pole (3.1) in many conducting rod (3).

Description

Tank sensor

Technical field

The utility model relates to sensor technical field, is specifically a kind of tank sensor.

Background technology

Current tank sensor is generally divided into two large classes, one only includes a test rod, multiple conducting position is sequentially provided with along test rod axis, test rod is also called inductive rod, such as Authorization Notice No. is the water-temperature water-level signal transducer of the resistor individual packages of CN201522313U, Authorization Notice No. is solar water heater sensor of CN202339221U etc., another kind of then multiple test rods be set up in parallel with public pole, such as Authorization Notice No. is the sensor of CN201318965Y, Authorization Notice No. is solar water heater sensor of CN202339217U etc., but no matter which kind of, one on test rod section or end is all required to be arranged to conductive part, other parts of test rod then do insulation processing, for the first, public pole is generally located at the end of test rod, like this, from end more away from conductive segment larger by the impact of water quality electric conductivity, that is, conductive segment is far away apart from public pole, water quality poorly conductive, detection sensitivity then can be caused to reduce, water level detecting is by inaccurate, for the second, although less by water quality impact, but structure is comparatively complicated, volume is larger, Heavy Weight, in addition, above-mentioned two kinds all exist easily aging, the phenomenon such as to leak, easily cause testing circuit malfunctioning, permanance, stability and reliability have much room for improvement.

Utility model content

Technical problem to be solved in the utility model is, overcomes the defect of prior art, and provide a kind of water quality Conductivity that is subject to little, structure is comparatively simple, small volume, lightweight tank sensor, and permanance, stability and reliability are better simultaneously.

For solving the problems of the technologies described above, the utility model proposes a kind of tank sensor, it comprises the testing circuit be placed in outside water tank, it also comprises mounting rod, electrode tip holder and Duo Gen conducting rod, mounting rod is connected with electrode tip holder, same one end of many conducting rods is connected with electrode tip holder, and one end of many described conducting rods is all electrically connected with a conductor be electrically connected with testing circuit, has one as the common pole of public pole in many conducting rods.

After adopting said structure, compared with prior art, the utility model has the following advantages: owing to there being many conducting rods, one is had as the common pole of public pole in many conducting rods, other conducting rod arranges around common pole or is set up in parallel, conducting rod entirety is all conductions, so no matter the depth of water is how, as long as the spacing arranged around common pole determines or the spacing that is set up in parallel is determined, distance of so conducting electricity is the spacing between other conducting rod to common pole, and conductive area enlarges markedly compared to existing technology, electric conductivity also strengthens, little by water quality Conductivity, due to without the need to doing insulation system, so structure is comparatively simple, small volume, lightweight, comprehensively above-mentioned, the utility model has by water quality Conductivity little, structure is comparatively simple, small volume, lightweight advantage, permanance simultaneously, stability and reliability better.

As improvement, common pole is positioned at centre, other conducting rod is outside radial setting around common pole, like this, be connected side with electrode tip holder, between each conducting rod, spacing can be nearer, then electrode tip holder can do less, i.e. electrode tip holder miniaturization, lightweight, make the utility model structure more compact.

As improvement, common pole is connected side and is provided with the first thermal shrinkable sleeve with electrode tip holder, take surface level as reference field, first thermal shrinkable sleeve lower end is greater than the distance of lower end to surface level of the shortest conducting rod to the distance of surface level, like this, because between each conducting rod, spacing is nearer, first thermal shrinkable sleeve can connect side at electrode tip holder on the one hand and delay to form the materials such as incrustation scale between other conducting rod and common pole, on the other hand, even if form the materials such as incrustation scale, first thermal shrinkable sleeve can play insulating effect, the materials such as incrustation scale are avoided surprisingly other conducting rod and common pole conducting to be caused detecting inaccurate, more be conducive to the utility model permanance, the raising of stability and reliability.

As improvement; common pole is the hollow stem of both ends open; in this hollow stem, encapsulating is packaged with temperature sensor; hollow stem is connected with the nut for closing this opening away from the opening of one end of electrode tip holder; temperature sensor is electrically connected with a conductor be electrically connected with testing circuit; this structure makes the utility model have temperature sensing function, and provide structural guarantee to the protection of temperature sensor and the raising of permanance, said structure is also convenient to encapsulating encapsulation temperature sensor simultaneously.

As improvement, one end of many conducting rods is all welded with a conducting strip, one end and each conducting strip of each conducting rod are all encapsulated in electrode tip holder, one end of many described conducting rods is all electrically connected with a conductor be electrically connected with testing circuit and refers to that each conducting strip is all electrically connected with a conductor be electrically connected with testing circuit, like this, first aspect to be connected with electrode tip holder conducting rod carries out strengthening action, second aspect when other conducting rod around common pole in outwards radial arrange time, the degree of depth of each conducting rod electrode insertion seat can not be too large, conducting strip plays prolongation effect, and conducting strip can be arranged to be parallel to each other, the mistake avoiding each conducting strip to suffer is near and inconvenience is assembled or produce the problems such as interference, be applicable to actual production, otherwise produce just very difficult, inefficiency.

As improvement, it also comprises L shape adapter sleeve, described mounting rod is connected with electrode tip holder and refers to that one end of L shape adapter sleeve and the pyrocondensation of mounting rod one end are socketed, the other end and the electrode tip holder pyrocondensation of L shape adapter sleeve are socketed, like this, when mounting rod is horizontally disposed with, conducting rod naturally lets droop together with electrode tip holder and puts, when being arranged on after in water tank, just in time in hanging like, there is not the power of bend resistance between mounting rod and electrode tip holder, avoid easy problems of crack, be more conducive to the raising of the utility model permanance, stability and reliability.

As improvement, electrode tip holder is round table-like, round table-like large end is positioned at conducting rod side, large end is provided with annular protrusion, the diameter of the other end after pyrocondensation socket of L shape adapter sleeve is less than the diameter of annular protrusion, like this, on the one hand, annular protrusion realizes location to the other end of L shape adapter sleeve, the other end of L shape adapter sleeve is hided after annular protrusion simultaneously, prevent water vapor in water tank from pouring between L shape adapter sleeve and electrode tip holder along electrode tip holder surface, and then avoid entering in the passage that passes through for conductor in L shape adapter sleeve and mounting rod, protect conductor, on the other hand, electrode tip holder is the other end pyrocondensation socket of round table-like L shape adapter sleeve of being more convenient for, pyrocondensation socket laminating is effective.

As improvement, each conductor enters mounting rod through L shape adapter sleeve and passes from the mounting rod other end, like this, is more conducive to protecting conductor, avoids the water vapor in the conductor contact external world, sunlight etc.

As improvement, mounting rod is socketed with a mounting fixing parts, mounting rod other end thermal shrinkable sleeve is connected to for by this other end with pass wire from this other end and carry out being close to the second coated thermal shrinkable sleeve, the axial limiting between mounting fixing parts and the second thermal shrinkable sleeve of mounting rod is socketed with a nylon mounting box, in nylon mounting box, described testing circuit is set, like this, first aspect, be more convenient for the utility model is installed, because water tank is equipped with snorkel, so it is also more convenient the utility model to be used for existing water tank, second aspect, second thermal shrinkable sleeve fixing cord, make it to relatively rotate with mounting rod and to cause wearing and tearing, the third aspect, nylon mounting box has better permanance, testing circuit can be protected better, fourth aspect, realize above-mentioned three aspect advantages simultaneously, the utility model structure is also compacter.

As improvement, mounting fixing parts is the cylindrical sleeve for being socketed with water tank snorkel, and cylindrical sleeve is provided with blow vent, this blow vent higher than nylon mounting box, like this, first aspect, water tank directly can be ventilated by blow vent, without the need to arranging supernumerary structure again, second aspect, water vapor can not directly rush at nylon mounting box, avoid water vapor to injure nylon mounting box, the third aspect, realize above-mentioned two aspect advantages simultaneously, the utility model structure is more compact.

Accompanying drawing explanation

Fig. 1 is the structural representation of the utility model tank sensor.

Fig. 2 is the structural representation of the electrode tip holder of the utility model tank sensor.

Fig. 3 is the left view of the mounting fixing parts of the utility model tank sensor.

Shown in figure, 1, mounting rod, 2, electrode tip holder, 2.1, annular protrusion, 3, conducting rod, 3.1, common pole, the 4, first thermal shrinkable sleeve, 5, nut, 6, L shape adapter sleeve, 7, mounting fixing parts, 7.1, blow vent, the 8, second thermal shrinkable sleeve, 9, nylon mounting box, 10, joint current.

Embodiment

Below the utility model is described in further detail:

The utility model tank sensor, it comprises the testing circuit be placed in outside water tank, it also comprises mounting rod 1, electrode tip holder 2 and Duo Gen conducting rod 3, mounting rod 1 is connected with electrode tip holder 2, one end of many conducting rods 3 is connected with electrode tip holder 2, one end of described many conducting rods 3 is all electrically connected with a conductor be electrically connected with testing circuit, has one as the common pole 3.1 of public pole in many conducting rods 3.

Common pole 3.1 is positioned at centre, and other conducting rod 3 is outside radial setting around common pole 3.1; Can certainly be other distributed architecture, such as, each conducting rod 3 be set up in parallel.

Common pole 3.1 is connected side and is provided with the first thermal shrinkable sleeve 4 with electrode tip holder 2, take surface level as reference field, and the first thermal shrinkable sleeve 4 lower end is greater than the distance of lower end to surface level of the shortest conducting rod 3 to the distance of surface level.

Common pole 3.1 is the hollow stem of both ends open, in this hollow stem, encapsulating is packaged with temperature sensor, hollow stem is connected with the nut 5 for closing this opening away from the opening of one end of electrode tip holder 2, and temperature sensor is electrically connected with a conductor be electrically connected with testing circuit.

One end of many conducting rods 3 is all welded with a conducting strip, one end of each conducting rod 3 and each conducting strip are all encapsulated in electrode tip holder 2, and one end of described many conducting rods 3 is all electrically connected with a conductor be electrically connected with testing circuit and refers to that each conducting strip is all electrically connected with a conductor be electrically connected with testing circuit.

It also comprises L shape adapter sleeve 6, and described mounting rod 1 is connected one end of referring to L shape adapter sleeve 6 with electrode tip holder 2 and mounting rod 1 one end pyrocondensation is socketed, and the other end and electrode tip holder 2 pyrocondensation of L shape adapter sleeve 6 are socketed.

Electrode tip holder 2 is in round table-like, and round table-like large end is positioned at conducting rod 3 side, the large diameter holding the diameter of the other end after pyrocondensation socket being provided with annular protrusion 2.1, L shape adapter sleeve 6 to be less than annular protrusion 2.1.

Each conductor enters mounting rod 1 through L shape adapter sleeve 6 and passes from mounting rod 1 other end.

Mounting rod 1 is socketed with a mounting fixing parts 7, mounting rod 1 other end thermal shrinkable sleeve is connected to for by this other end with pass wire from this other end and carry out being close to the second coated thermal shrinkable sleeve 8, the axial limiting between mounting fixing parts 7 and the second thermal shrinkable sleeve 8 of mounting rod 1 is socketed with a nylon mounting box 9, arranges described testing circuit in nylon mounting box 9.

Mounting fixing parts 7 is the cylindrical sleeve for being socketed with water tank snorkel, and cylindrical sleeve is provided with blow vent 7.1, and this blow vent 7.1 is higher than nylon mounting box 9.

Each conducting rod 3 is stainless steel, and because common pole 3.1 needs set temperature sensor, so comparatively thick, and other conducting rod 3 is all comparatively thin, like this, can reduce volume and lightweight as far as possible; Electrode tip holder 2 adopts silica gel to make, and one end of each conducting rod 3 and each conducting strip and associated tracks all can be encapsulated in electrode tip holder 2 with silica gel in actual production and to form an electrode tip holder 2, permanance, stability and reliability are better; L shape adapter sleeve 6 is also made with silica gel, and can be called curved neck silica gel sheath, permanance, stability and reliability are better; Each conductor pools a joint current 10 and enters in nylon mounting box 9, like this, better to conductor protection.

The above is only better embodiment of the present utility model, therefore all equivalences done according to structure, feature and the principle described in the utility model patent claim change or modify, and are included in the utility model patent claim.

Claims

1. a tank sensor, it comprises the testing circuit be placed in outside water tank, it is characterized in that, it also comprises mounting rod (1), electrode tip holder (2) and many conducting rods (3), mounting rod (1) is connected with electrode tip holder (2), one end of many conducting rods (3) is connected with electrode tip holder (2), one end of described many conducting rods (3) is all electrically connected with a conductor be electrically connected with testing circuit, has a common pole as public pole (3.1) in many conducting rods (3).

2. tank sensor according to claim 1, is characterized in that, common pole (3.1) is positioned at centre, other conducting rod (3) around common pole (3.1) in outside radial setting.

3. tank sensor according to claim 1, it is characterized in that, common pole (3.1) is connected side with electrode tip holder (2) and is provided with the first thermal shrinkable sleeve (4), take surface level as reference field, the first thermal shrinkable sleeve (4) lower end is greater than the distance of lower end to surface level of the shortest conducting rod (3) to the distance of surface level.

4. tank sensor according to claim 1, it is characterized in that, the hollow stem that common pole (3.1) is both ends open, in this hollow stem, encapsulating is packaged with temperature sensor, hollow stem is connected with the nut (5) for closing this opening away from the opening of one end of electrode tip holder (2), and temperature sensor is electrically connected with a conductor be electrically connected with testing circuit.

5. tank sensor according to claim 1, it is characterized in that, one end of many conducting rods (3) is all welded with a conducting strip, one end of each conducting rod (3) and each conducting strip are all encapsulated in electrode tip holder (2), and one end of described many conducting rods (3) is all electrically connected with a conductor be electrically connected with testing circuit and refers to that each conducting strip is all electrically connected with a conductor be electrically connected with testing circuit.

6. tank sensor according to claim 1, it is characterized in that, it also comprises L shape adapter sleeve (6), described mounting rod (1) is connected one end of referring to L shape adapter sleeve (6) with electrode tip holder (2) and mounting rod (1) one end pyrocondensation is socketed, and the other end and electrode tip holder (2) pyrocondensation of L shape adapter sleeve (6) are socketed.

7. tank sensor according to claim 6, it is characterized in that, electrode tip holder (2) is in round table-like, round table-like large end is positioned at conducting rod (3) side, large end is provided with annular protrusion (2.1), and the diameter of the other end after pyrocondensation socket of L shape adapter sleeve (6) is less than the diameter of annular protrusion (2.1).

8. tank sensor according to claim 6, is characterized in that, each conductor enters mounting rod (1) through L shape adapter sleeve (6) and passes from mounting rod (1) other end.

9. tank sensor according to claim 1, it is characterized in that, mounting rod (1) is socketed with a mounting fixing parts (7), mounting rod (1) other end thermal shrinkable sleeve is connected to for by this other end with pass wire from this other end and carry out being close to coated the second thermal shrinkable sleeve (8), the axial limiting between mounting fixing parts (7) and the second thermal shrinkable sleeve (8) that is positioned at of mounting rod (1) is socketed with a nylon mounting box (9), and nylon mounting box arranges described testing circuit in (9).

10. tank sensor according to claim 9, it is characterized in that, mounting fixing parts (7) is the cylindrical sleeve for being socketed with water tank snorkel, and cylindrical sleeve is provided with blow vent (7.1), and this blow vent (7.1) is higher than nylon mounting box (9).