CN205562127U - Test probe leaks - Google Patents
Test probe leaks Download PDFInfo
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- CN205562127U CN205562127U CN201620109082.8U CN201620109082U CN205562127U CN 205562127 U CN205562127 U CN 205562127U CN 201620109082 U CN201620109082 U CN 201620109082U CN 205562127 U CN205562127 U CN 205562127U
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Abstract
The utility model provides a test probe leaks, including a casing and master control circuit, master control circuit includes a main control chip, first resistance R1, second resistance R2, third resistance R3 and probe, main control chip's detection makes and to connect first resistance R1 one end by the mouth, an input of another termination probe of first resistance R1, main control chip's AD gathers the mouth and connects second resistance R2 one end, the second resistance R2 other end connects another input and the third resistance one end of probe respectively, third resistance other end ground connection, water inlet solenoid valve, booster pump, the flushing solenoid valve of water purifier are connected respectively to main control chip's control output, main control chip, firstly set up in the casing to third resistance, the probe includes N root metal rod, and N root metal rod is connected respectively in the input of probe, and N root metal rod sets up in housing face, and N is more than or equal to 2's even number. What adopt is the mode that AD gathered, makes the sensitivity that detects of leaking freely control, and the effect does not receive the influence of quality of water.
Description
Technical field
The utility model provides a kind of leak water detdction probe.
Background technology
In current water purification market, leaking is a great hidden danger.But the Cleaning Principle of current leak stop is all
It is the principle using transistor conducting, but there is problems of that the mode of transistor conducting is worth by water resistance
Impact is greatly.When RO machine leaks, the clean water resistance of water quality of RO machine is little the most probably be can't detect.
In Patent No. CN 204044543 U, a kind of leak water detdction circuit disclosing water purifier, physical circuit is former
Reason figure sees Fig. 1.Whether it is turned on by Q1 judges, when the TDS value of water the least (RO water), when water resistance is the least, Q1 cannot lead
Logical, now leak and just can not be detected the sensitivity of technical scheme disclosed in i.e. CN 204044543 U by water clean level
Impact.
Summary of the invention
In view of this, the utility model provides a kind of leak water detdction probe, and the mode gathered with AD detects leaking,
Small voltage change can be detected, regulate the sensitivity of sensing freely.
The utility model realizes by the following technical solutions: a kind of leak water detdction probe, including a housing and governor circuit,
It is characterized in that: described governor circuit includes a main control chip, the first resistance R1, the second resistance R2, the 3rd resistance R3 and probe；
The detection of described main control chip enables mouth and connects first resistance R1 one end；The one of another described probe of termination of described first resistance R1 is defeated
Enter end；The AD acquisition port of described main control chip connects second resistance R2 one end；The described second resistance R2 other end connects described spy respectively
Another input of head and the 3rd resistance one end；3rd resistance other end ground connection；The control output end of described main control chip is respectively
Connect the entering water electromagnetic valve of water purifier, booster pump, scouring electromagnetic valve；Main control chip, the first to the 3rd resistance R1 ~ R3 are arranged on shell
Internal；Described probe includes N root metal bar, and the input of probe connects N root metal bar respectively, and N root metal bar is arranged at housing table
Face, N is the even number more than or equal to 2.
In the utility model one embodiment, described N is 4.
In the utility model one embodiment, described governor circuit also includes an acousto-optic report being connected with described main control chip
Alarm device.
In the utility model one embodiment, described main control chip is a single-chip microcomputer.
In the utility model one embodiment, also include a power module；Described power module includes an AC/DC circuit,
The input of described AC/DC circuit connects civil power, and the output of described AC/DC change-over circuit connects the feeder ear of main control chip.
In the utility model one embodiment, described AC/DC circuit output 5V direct current.
Compared with prior art, leak water detdction circuit of the present utility model uses the mode that AD gathers, by 5V power supply
It is divided equally into 1024 parts.When probe is not by water short circuit, the result that AD gathers is 0；When probe is by water short circuit, phase can be collected
The variable quantity of the voltage answered, even if the minor variations of voltage may also detect that.Employing the technical solution of the utility model makes
The sensitivity of leak water detdction can freely control, and the effect of leak water detdction, is not affected by water quality.
Accompanying drawing explanation
Fig. 1 is the leak water detdction circuit of prior art.
Fig. 2 is schematic block circuit diagram of the present utility model.
Fig. 3 is structural representation of the present utility model.
Fig. 4 is the use flow chart of the utility model one embodiment.
Detailed description of the invention
The utility model is described in further detail with detailed description of the invention below in conjunction with the accompanying drawings.
The utility model provides a kind of leak water detdction probe.This detection probe includes housing 2 and a governor circuit, described
Governor circuit includes a main control chip, the first resistance R1, the second resistance R2, the 3rd resistance R3 and probe；Described main control chip
Detection enables mouth and connects first resistance R1 one end；One input of another described probe of termination of described first resistance R1；Described master control
The AD acquisition port of chip connects second resistance R2 one end；The described second resistance R2 other end connects another input of described probe respectively
And the 3rd resistance one end；3rd resistance other end ground connection；The control output end of described main control chip connects entering of water purifier respectively
Water solenoid valve, booster pump, scouring electromagnetic valve (being not drawn in figure)；Main control chip, the first to the 3rd resistance R1 ~ R3 are arranged on housing
In 2；Described probe includes that N root metal bar 1, N root metal bar 1 are arranged at housing 2 surface, and N is the even number more than or equal to 2.Probe
Input connect N root metal bar respectively.
In the utility model one embodiment, N is 4.
Physical circuit schematic diagram of the present utility model sees Fig. 2, and structural representation sees Fig. 3
In the utility model one embodiment, it also includes an acoustic-optic alarm being connected with described main control chip.
It is also preferred that the left described main control chip is a single-chip microcomputer.Can select according to real needs, can with alternative costs relatively
51 low single-chip microcomputers, it is also possible to select the embedded scm that programing function is more powerful.
Also include a power module；Described power module includes that an AC/DC circuit, the input of described AC/DC circuit meet city
Electricity, the output of described AC/DC change-over circuit connects the feeder ear of main control chip.Described AC/DC circuit output 5V direct current.
The structural representation of the utility model one embodiment sees Fig. 3.AC/DC circuit connects electric main by plug 4,
About 220VAC, output is connected with the feeder ear VDD of main control chip by cable 3.Direct current needed for general chip is 5VDC.
The use flow chart of the utility model one embodiment, sees Fig. 4.During use, this probe is placed horizontally at water purifier
Bottom；When leaking, as long as four metal bars are covered short circuit by water, leak water detdction probe will be sent to control list with regard to short-circuit signal
Unit, main control chip, by the way of AD gathers, judges leaking.If leaked: control unit provides instruction and closes water inlet
The water purifier executing agencies such as magnetic valve, booster pump, scouring electromagnetic valve, in order to protect water purifier, and make corresponding sound and light alarm, carry
Show that user needs repairing machine, point out user of service's on-call maintenance, prevent contingency from occurring, improve the use longevity of water purifier
Life.The mode that the utility model uses AD to gather detects leaks.When probe is not by water short circuit, the result that AD gathers is 0；Work as spy
When head is by water short circuit, the variable quantity of corresponding voltage can be collected, even if the minor variations of voltage may also detect that.So
The advantage done is, the sensitivity of leak water detdction can freely control and the effect of leak water detdction, is not affected by water quality.
It is above preferred embodiment of the present utility model, all changes made according to technical solutions of the utility model, is produced
Function without departing from the scope of technical solutions of the utility model time, belong to protection domain of the present utility model.
Claims (6)
1. a leak water detdction probe, including a housing and governor circuit, it is characterised in that: described governor circuit includes a master control
Chip, the first resistance R1, the second resistance R2, the 3rd resistance R3 and probe；The detection of described main control chip enables mouth and connects the first electricity
Resistance R1 one end；One input of another described probe of termination of described first resistance R1；The AD acquisition port of described main control chip connects
Two resistance R2 one end；The described second resistance R2 other end connects another input and the 3rd resistance one end of described probe respectively；The
Three resistance other end ground connection；The control output end of described main control chip connects the entering water electromagnetic valve of water purifier, booster pump, punching respectively
Wash magnetic valve；Main control chip, the first to the 3rd resistance R1 ~ R3 are arranged in housing；Described probe includes N root metal bar, probe
Input connect N root metal bar respectively, N root metal bar is arranged at surface of shell, and N is the even number more than or equal to 2.
Leak water detdction the most according to claim 1 is popped one's head in, it is characterised in that: described N is 4.
Leak water detdction the most according to claim 1 pop one's head in, it is characterised in that: described governor circuit also include one with described master
The acoustic-optic alarm that control chip connects.
Leak water detdction the most according to claim 1 is popped one's head in, it is characterised in that: described main control chip is a single-chip microcomputer.
Leak water detdction the most according to claim 1 is popped one's head in, it is characterised in that: also include a power module；Described power supply mould
Block includes that an AC/DC circuit, the input of described AC/DC circuit connect civil power, and the output of described AC/DC change-over circuit connects main control chip
Feeder ear.
Leak water detdction the most according to claim 5 is popped one's head in, it is characterised in that: described AC/DC circuit output 5V direct current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620109082.8U CN205562127U (en) | 2016-02-03 | 2016-02-03 | Test probe leaks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620109082.8U CN205562127U (en) | 2016-02-03 | 2016-02-03 | Test probe leaks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205562127U true CN205562127U (en) | 2016-09-07 |
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ID=56821511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620109082.8U Active CN205562127U (en) | 2016-02-03 | 2016-02-03 | Test probe leaks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205562127U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108072495A (en) * | 2016-11-08 | 2018-05-25 | 佛山中科维拉科技有限公司 | A kind of Novel water-leakage detects protective device |
-
2016
- 2016-02-03 CN CN201620109082.8U patent/CN205562127U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108072495A (en) * | 2016-11-08 | 2018-05-25 | 佛山中科维拉科技有限公司 | A kind of Novel water-leakage detects protective device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180315 Address after: 361000 Fujian Province, Xiamen city Tongan Industrial Zone Siming Park No. 305 Patentee after: Xiamen Bailin water purification technology Co. Ltd. Address before: Tianfeng road in Jimei District of Xiamen City, Fujian Province, No. 69 361000 Patentee before: Xiamen Runner Industrial Corporation |