CN208988789U - One kind being used for dish-washing machine sink leakage inspector - Google Patents
One kind being used for dish-washing machine sink leakage inspector Download PDFInfo
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- CN208988789U CN208988789U CN201821406319.4U CN201821406319U CN208988789U CN 208988789 U CN208988789 U CN 208988789U CN 201821406319 U CN201821406319 U CN 201821406319U CN 208988789 U CN208988789 U CN 208988789U
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Abstract
The utility model provides one kind for dish-washing machine sink leakage inspector, belongs to field of mechanical technique.It solves the problems, such as that scullery basin leak water detdction is ineffective in the prior art.This is used to be mounted on the water-supporting disc below dish-washing machine sink for dish-washing machine sink leakage inspector, including rectangular shell, the bottom opening of shell, water notch was offered in shell one side wall, circuit board is installed in shell, it is integrated with detection circuit on circuit board and is equipped with towards and withstands on the probe of water-supporting disc, probe and detection circuit electrical connection.This leakage inspector overall structure is simple, small in size, is easily installed and fast response time, drainage is reflected it is sensitive, without considering the insufficient factor of buoyancy.
Description
Technical field
The utility model belongs to field of mechanical technique, especially a kind of to be used for dish-washing machine sink leakage inspector.
Background technique
Existing dish-washing machine and water basin dish-washing machine leak protection mainly press microswitch by buoy buoyancy, generate
One signal feeds back to master chip, realizes spilling water and leak water detdction.
Such as a kind of float module of use in dishwasher [Authorization Notice No. CN202604760U of Chinese patent；Application number
CN201220198512.X ,] disclosed in following technical solution: the float module of use in dishwasher, including buoy, float holder, chassis
Lid and microswitch, it is characterised in that the float holder is in cover shape, and the open end of float holder is mounted in chassis lid, in float holder
It is equipped with a positioning groove, the microswitch is mounted in locating slot and fixes；The buoy is located in the cavity of float holder simultaneously
It is axially movable, when buoy moves axially upwards, the contact on buoy can touch the contact of microswitch.And Chinese patent
A kind of float module and dish-washing machine [application publication number CN107411679A；Application number CN201710849355.1] it is disclosed such as
Lower technical solution: float module, including chassis, buoy, microswitch and float holder, which is characterized in that the chassis includes disk
Ontology and a pair are convexly equipped in the disk ontology upper disk surface and spaced first positioning link, the float holder include with
The mounting base of microswitch connection, two be connected to the mounting base and in the connecting fork branch of fork branch structure and it is a pair of respectively
It is connected to second positioning link connecting fork branch and snapped connection respectively with first positioning link, it is described
Mounting base is fallen between two first positioning links in the upright projection on the disk ontology, the disk ontology, described floating
Mark, the microswitch and the mounting base are set gradually from top to bottom.
Dish-washing machine is detected in above-mentioned patent, and whether the mode of leak is detected by components such as buoy and microswitches,
Complicated in mechanical structure, occupied space is big, is unfavorable for installing, and the reaction speed that buoy floats is slow, also by the depth shadow of ponding
It rings, testing result often has delay, causes entire detection device reliability low.
Summary of the invention
The purpose of this utility model is the presence of the above problem in view of the prior art, is proposed a kind of for dish-washing machine sink
Leakage inspector, to overcome the problems, such as that leak water detdction is not prompt enough, less reliable in dish-washing machine in the prior art.
The purpose of this utility model can be realized by the following technical scheme: one kind is filled for dish-washing machine sink leak water detdction
It sets, the water-supporting disc for being mounted below dish-washing machine sink, including rectangular shell, which is characterized in that the bottom of the shell
Face is open, and offers water notch in the shell one side wall, and circuit board is equipped in the shell, is integrated on the circuit board
There is detection circuit and is equipped with towards and withstands on the probe of water-supporting disc, the probe and detection circuit electrical connection.
The leakage inspector of the utility model is opening down to be mounted on water-supporting disc, due to being mounted on shell interior circuit board
On probe towards and withstand on water-supporting disc, therefore after the sink leak of dish-washing machine, water gathers in water-supporting disc, and passes through water
Notch is flowed into shell, and probe meets its resistance value of water and changes at this time, and detection circuit is judged according to the resistance change
Sink, it is more rapidly more reliable than float-ball type as long as the process water-supporting disc has water that can precisely detect.
In above-mentioned one kind in dish-washing machine sink leakage inspector, the detection circuit to include resistance R1, resistance
R2, resistance R3, resistance R4, capacitor C, triode Q and MCU, the probe respectively with the first end of resistance R1, the resistance R2
First end is connected with the first end of the capacitor C, and the second end of the resistance R1 is connected with the base stage of the triode Q, described
The emitter of the second end of resistance R2, the second end of the capacitor C and the triode Q is grounded, and the first of the resistance R3
Terminate 5v power supply, the collector of the second termination triode of the resistance R3, the first termination described three of the resistance R4
The collector of pole pipe, the signal input part of the second termination MCU of the resistance R4.
In above-mentioned one kind in dish-washing machine sink leakage inspector, the probe outer surface to be electroplate with nickel or gold.
In above-mentioned one kind in dish-washing machine sink leakage inspector, the cross sectional shape of the probe be it is round or
Ellipse.
In above-mentioned one kind in dish-washing machine sink leakage inspector, the inner surface of the upper side wall of the shell up to
It is equipped with an erecting bed less, the circuit board is mounted on erecting bed.
In above-mentioned one kind in dish-washing machine sink leakage inspector, there are two the erecting beds, two erecting beds
It is located at one group of diagonal angle of shell upper bottom surface.
In above-mentioned one kind for also being set on the inner surface of the shell upper side wall in dish-washing machine sink leakage inspector
There is the convex block for holding circuit board, the height of the convex block is identical with the erecting bed, and the convex block is close to the shell
One side wall.
It is used in dish-washing machine sink leakage inspector in above-mentioned one kind, one group of side wall of the shell, which is equipped with, to be used for
The fixed part shell being fixed on water-supporting disc.
In above-mentioned one kind in dish-washing machine sink leakage inspector, the fixed part to be for being buckled in water-supporting disc
Hook, the hook part of the hook is protruded to hull outside.Corresponding slot is set on water-supporting disc, setting gear edge and card in slot
It is buckle-shaped at cooperation, so that shell is firmly fixed on water-supporting disc.This outer fixing portion can also be the structures such as screw, pin.
Compared with prior art, technical solutions of the utility model for dish-washing machine sink leakage inspector have it is following
Advantage:
1, overall structure is simple, small in size, is easily installed；
2, probe in detecting fast response time, it is sensitive to drainage reflection, without considering the insufficient factor of buoyancy.
Detailed description of the invention
Fig. 1 is that the structural schematic diagram circuit board of the utility model embodiment and probe are not shown.
Fig. 2 is the cross-sectional view of the utility model embodiment.
Fig. 3 is the detection circuit schematic diagram of the utility model embodiment.
Fig. 4 is the use state cross-sectional view of the utility model embodiment.
In figure, 1, water-supporting disc；2, shell；2a, water notch is crossed；2b, erecting bed；2c, convex block；2d, fixed part；3, circuit
Plate；4, probe.
Specific embodiment
The example of embodiment described below is shown in the accompanying drawings, and in which the same or similar labels are throughly indicated identical
Or similar element or element with the same or similar functions.Embodiment below with reference to attached drawing description is exemplary
, it is intended to it is used to explain the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " length ", " width ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom" "inner" and "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to limit of the invention
System.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
As depicted in figs. 1 and 2, this is used for dish-washing machine sink leakage inspector, for being mounted below dish-washing machine sink
Water-supporting disc 1 on, including rectangular shell 2, which is characterized in that the bottom opening of shell 2 offered in 2 one side wall of shell
Water notch 2a, sets that there are two erecting bed 2b, two erecting bed 2b to be located on shell 2 on the inner surface of the upper side wall of shell 2
One group of diagonal angle of bottom surface.Circuit board 3 is installed on erecting bed 2b, detection circuit is integrated on circuit board 3 and direction is installed
And the probe 4 of water-supporting disc 1 is withstood on, probe 4 and detection circuit electrical connection.
Specifically, probe 4 uses cross sectional shape for circular stick-like structure, and outer surface is electroplate with nickel or gold, certainly
It the section of probe 4 can also be using the structure of ellipse.In production, salt spray test is also needed 48 hours to ensure that its is corrosion-resistant
Property.
The convex block 2c for holding circuit board 3, the height and installation of convex block 2c are additionally provided on the inner surface of 2 upper side wall of shell
Platform 2b is identical, one side wall of the convex block 2c close to shell 2.
One group of side wall of shell 2 is equipped with for the shell 2 to be fixed on the fixed part 2d on water-supporting disc 1, this is fixed
Portion 2d is hook for being buckled on water-supporting disc 1, and the hook part of hook is to protruding on the outside of shell 2.Corresponding insert is set on water-supporting disc 1
Slot, the interior setting gear edge of slot and buckle formation cooperation, enable shell 2 to be firmly fixed on water-supporting disc 1.This outer fixing portion 2d
It can also be the structures such as screw, pin.
As shown in figure 3, detection circuit includes resistance R1, resistance R2, resistance R3, resistance R4, capacitor C, triode Q and MCU,
Probe 4 is connected with the first end of resistance R1, the first end of resistance R2 with the first end of capacitor C respectively, the second end of resistance R1 and
The base stage of triode Q connects, and the emitter of the second end of resistance R2, the second end of capacitor C and triode Q is grounded, resistance R3
First termination 5v power supply, resistance R3 second termination triode collector, resistance R4 first termination triode current collection
Pole, the signal input part of the second termination MCU of resistance R4.
The testing principle of the utility model is as follows:
Do not have pure water in nature substantially, so general water all can have certain conductive capability containing some substances, electricity
Resistance performance is generally hundred K grades, but the exposed resistance then showed in air in 4 the two poles of the earth of metal probe is hundred M grades, passes through this
Whether the place that characteristic can effectively find that probe 4 contacts has water.
As shown in figure 4, shell 2 is mounted on water-supporting disc 1 by leakage inspector by the fixed part 2d on shell 2, by
In the probe 4 being mounted on 2 interior circuit board 3 of shell towards and withstand on water-supporting disc 1, therefore after the sink leak of dish-washing machine,
Water gathers in water-supporting disc 1, and passes through water notch 2a and be flowed into shell 2, and probe 4 meets its resistance value of water and changes at this time,
The potential change of triode Q collector may be implemented in the resistance fed back by probe 4, triode Q in the case where Ji Youshui
The current potential of collector is 0V, and the current potential of triode Q collector is 5V when without water.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (9)
1. one kind is used for dish-washing machine sink leakage inspector, the water-supporting disc (1) for being mounted below dish-washing machine sink, packet
Include rectangular shell (2), which is characterized in that the bottom opening of the shell (2) offered in shell (2) one side wall
Water notch (2a), the shell (2) is interior to be equipped with circuit board (3), is integrated with detection circuit on the circuit board (3) and is equipped with
Direction and the probe (4) for withstanding on water-supporting disc (1), the probe (4) and detection circuit electrical connection.
2. according to claim 1 a kind of for dish-washing machine sink leakage inspector, which is characterized in that the detection electricity
Road includes resistance R1, resistance R2, resistance R3, resistance R4, capacitor C, triode Q and MCU, the probe (4) respectively with resistance R1
First end, the first end of the resistance R2 connected with the first end of the capacitor C, the second end of the resistance R1 and described three
The base stage of pole pipe Q connects, and the emitter of the second end of the resistance R2, the second end of the capacitor C and the triode Q connects
Ground, the first termination 5v power supply of the resistance R3, the collector of the second termination triode of the resistance R3, the resistance
The collector of the first termination triode of R4, the signal input part of the second termination MCU of the resistance R4.
3. according to claim 1 or 2 a kind of for dish-washing machine sink leakage inspector, which is characterized in that the spy
Needle (4) outer surface is electroplate with nickel or gold.
4. according to claim 1 or 2 a kind of for dish-washing machine sink leakage inspector, which is characterized in that the spy
The cross sectional shape of needle (4) is round or ellipse.
5. according to claim 1 or 2 a kind of for dish-washing machine sink leakage inspector, which is characterized in that the shell
At least provided with an erecting bed (2b) on the inner surface of the upper side wall of body (2), the circuit board (3) is mounted on erecting bed (2b)
On.
6. according to claim 5 a kind of for dish-washing machine sink leakage inspector, which is characterized in that the erecting bed
There are two (2b), and two erecting beds (2b) are located at one group of diagonal angle of shell (2) upper bottom surface.
7. according to claim 5 a kind of for dish-washing machine sink leakage inspector, which is characterized in that the shell
(2) it is additionally provided with the convex block (2c) for holding circuit board (3) on the inner surface of upper side wall, the height of the convex block (2c) and described
Erecting bed (2b) is identical, one side wall of the convex block (2c) close to the shell (2).
8. according to claim 1 or 2 a kind of for dish-washing machine sink leakage inspector, which is characterized in that the shell
One group of side wall of body (2) is equipped with the fixed part (2d) for being fixed on the shell (2) on water-supporting disc (1).
9. according to claim 8 a kind of for dish-washing machine sink leakage inspector, which is characterized in that the fixed part
(2d) is the hook for being buckled on water-supporting disc (1), and the hook part of the hook is protruded to shell (2) outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821406319.4U CN208988789U (en) | 2018-08-29 | 2018-08-29 | One kind being used for dish-washing machine sink leakage inspector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821406319.4U CN208988789U (en) | 2018-08-29 | 2018-08-29 | One kind being used for dish-washing machine sink leakage inspector |
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| Publication Number | Publication Date |
|---|---|
| CN208988789U true CN208988789U (en) | 2019-06-18 |
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ID=66799153
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821406319.4U Active CN208988789U (en) | 2018-08-29 | 2018-08-29 | One kind being used for dish-washing machine sink leakage inspector |
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| CN (1) | CN208988789U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110285929A (en) * | 2019-07-25 | 2019-09-27 | 珠海格力电器股份有限公司 | Water leakage detection circuit |
| CN110389155A (en) * | 2019-08-23 | 2019-10-29 | 田丽莉 | A kind of mounting structure and water gauge of detection electrode |
| CN110635314A (en) * | 2019-10-25 | 2019-12-31 | 管彩灵 | Socket with improved structure |
-
2018
- 2018-08-29 CN CN201821406319.4U patent/CN208988789U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110285929A (en) * | 2019-07-25 | 2019-09-27 | 珠海格力电器股份有限公司 | Water leakage detection circuit |
| CN110389155A (en) * | 2019-08-23 | 2019-10-29 | 田丽莉 | A kind of mounting structure and water gauge of detection electrode |
| CN110635314A (en) * | 2019-10-25 | 2019-12-31 | 管彩灵 | Socket with improved structure |
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