CN205665241U - Appearance is patrolled and examined in filtering pond - Google Patents
Appearance is patrolled and examined in filtering pond Download PDFInfo
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- CN205665241U CN205665241U CN201620584469.9U CN201620584469U CN205665241U CN 205665241 U CN205665241 U CN 205665241U CN 201620584469 U CN201620584469 U CN 201620584469U CN 205665241 U CN205665241 U CN 205665241U
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Abstract
Appearance is patrolled and examined in filtering pond. The utility model relates to an appearance is patrolled and examined in filtering pond. The sample case and bag draw together sample outer box, winding displacement box, winding displacement, electronic sample valve and sampling bottle, the upper end of sampling bottle connect the outlet pipe, the lower extreme of sampling bottle connect the inlet tube, outlet pipe and inlet tube on be connected the sampling bottle ooff valve respectively, enter the water piping connection filtering pond, the sampling bottle in the turbidity sensor that packs into, the upper end of sampling bottle pass turbidity sensor's electric wire, the outlet pipe on connect electronic sample valve, electronic sample valve in the top of sampling bottle ooff valve, turbidity sensor's electric wire collect in the winding displacement box, winding displacement box, sampling bottle ooff valve, electronic sample valve and sampling bottle all to take a sample the outer container internal. The utility model is used for appearance is patrolled and examined in filtering pond.
Description
Technical field
This utility model relates to a kind of filter tank logging.
Background technology
One-storey house water treatment plant of Harbin City is indoor urban district, large-scale cold ground self reliance type water supply water factory, at field Nei Haer of the same trade
Safety and reliability requirement that production system and equipment are run by shore one-storey house water treatment plant are higher.For now, inside water factory
The continuous service year of equipment is long, and a lot of equipment have entered into the operation fatigue phase from steady operation period, in addition by northeast winter
Low temperature environment factor affects, and the operating condition of equipment component is the most severe, the aging and abrasion of this equipment more aggravated.Companion
The most aging along with equipment, the operating condition of equipment and process-monitor need further to be optimized day is just effectively ensured
The smooth sequential often produced.The potential risk just current production technology and the equipment of production existed by this kind of situation one-storey house water treatment plant
Carry out deep-cutting, undermining, complete two autonomous innovations work, equipment working condition significantly optimized, the equipment that improves run and
The reliability of daily production.
Present filter tank logging is each filter tank of people's handheld machine and patrols and examines, and owing to people can only be in filter tank
It is sampled on limit, the evenness of sample can be affected, and can easily not extract sample efficiently, and owing to each filter tank is patrolled
Have time difference during inspection, make each filter tank detection time difference cause the incomplete accuracy of sample, testing result is caused shadow
Ring, affect total quality.
Summary of the invention
The purpose of this utility model is to provide a kind of filter tank logging, helps to solve the problems referred to above, can close on different filter
Pond samples, and sample randomness is higher, will not produce time difference during detection, can be according to surveyed turbidity random monitoring filter tank operating mode.
Above-mentioned purpose is realized by following technical scheme:
A kind of filter tank logging, its composition includes: sampling cabinet, described sampling cabinet include sampling outer case 1, winding box 2,
Winding displacement, electronic sampling valve 3 and sampling bottle 4, the upper end of described sampling bottle 4 connects outlet pipe 5, the lower end of described sampling bottle 4
Connect water inlet pipe 6, described outlet pipe 5 be connected sampling bottle switch valve 7 on water inlet pipe 6 respectively, described water inlet pipe 6 connects to be filtered
Pond, loads turbidity transducer in described sampling bottle 4, and the upper end of described sampling bottle 4 is through the electric wire 9 of turbidity transducer, institute
Connecting electronic sampling valve 3 on the outlet pipe 5 stated, described electronic sampling valve 3 is above sampling bottle switch valve 7, and described is turbid
The electric wire of degree sensor collects in winding box 2, described winding box 2, sampling bottle switch valve 7, electronic sampling valve 3 and sampling bottle
4 all sample in outer case 1.
Described filter tank logging, described sampling cabinet connects detection case by winding displacement, and described detection case includes detection
Outer case 9, the fuselage 10 of Turbidity measurement instrument, soft-touch control 11 detect switch 12, the machine of described Turbidity measurement instrument with detector
Body 10 coordinates turbidity transducer to use, and the inner upper of described detection outer case 9 arranges data wire wiring casing 13, and described is turbid
The fuselage 10 of degree detector is arranged on the upper left-hand of detection outer case 9, and the output lead 14 of described Turbidity measurement instrument is concluded and arrived
In data wire wiring casing 13, the upper right of described detection outer case 9 arranges soft-touch control 11, described detection outer case 9
Bottom connect detector detection switch 12, the fuselage of described detector detection switch 12 and Turbidity measurement instrument 10 1 a pair
Should, described detection outer case 9 connects the outer case lid 15 of detection by rotating shaft, and the outer case lid 15 of described detection arranges screen 16,
The right side of described screen 16 arranges button 17, and the lower end of described screen 16 arranges filter tank display lamp 18, outside described detection
Case lid 15 obtains left side and is provided with lock 19.
Described filter tank logging, includes circuit board, described circuit board bag in the fuselage 10 of described Turbidity measurement instrument
Including turbidity transducer, the signal of tested filter tank water in described turbidity transducer reception sampling bottle, described turbidity transducer will
Signal passes to i-v change-over circuit, and signal is passed to amplifying circuit by described i-v change-over circuit, and described amplifying circuit will
Signal passes to filter circuit, and signal is passed to analog to digital conversion circuit, described analog to digital conversion circuit by described filter circuit
Signal passes to single-chip microcomputer, described single-chip microcomputer and RS232 interface bi-directional signal, and described RS232 interface is with upper
Machine bi-directional signal, described single-chip microcomputer receives the signal of real-time clock and keyboard, and signal is passed to by described single-chip microcomputer
Photoelectric isolating circuit, signal is passed to D/A converting circuit by described photoelectric isolating circuit, and described D/A converting circuit will
Signal passes to modulate circuit, and signal is passed to outfan, described outfan linkage record machine by described modulate circuit.
Described filter tank logging, described turbidity transducer includes pre-amplification circuit, described pre-amplification circuit
No. 1 pin including the interface J1 of turbidity transducer, the interface J1 of described turbidity transducer connects one end of resistance R1, described
One end of one end and electric capacity C1 of other end parallel resistance R2 of resistance R1, the other end parallel connection turbidity of described electric capacity C1 passes
No. 2 pins of the interface J1 of sensor and the outfan of amplifier A1, the other end of described resistance R2 connects the negative input of amplifier A1
End, the positive input terminal of described amplifier A1 connects the 3rd end of slide rheostat R7, and the VCC end of described amplifier A1 connects resistance
One end of R3, one end of other end parallel resistance R8 of described resistance R3, one end of diode D1, the 3rd end of diode D1
With one end of resistance R11, the other end of described resistance R8 connects one end of slide rheostat R7, described slide rheostat R7
The other end connect one end of resistance R9, the other end ground connection of described diode D1, the other end of described resistance R11 connects
One end of resistance R12, the other end of described resistance R12 connects the other end of resistance R9；3rd end of described resistance R12 is even
Connect the negative input end of amplifier A3；
One end of No. 3 pins in parallel resistance R4, one end of electric capacity C2 and the amplifier of the interface J1 of described turbidity transducer
The negative input end of A2, the positive input terminal ground connection of described amplifier A2, another of outfan parallel resistance R4 of described amplifier A2
End, the other end of electric capacity C2 and one end of resistance R13, the other end of described resistance R13 connects the positive input terminal of amplifier A3, institute
One end of outfan parallel resistance R14 of connection amplifier A3 stated and one end of slide rheostat R10, described slide rheostat
3rd end of the other end parallel connection slide rheostat R10 of R10 and one end of resistance R6, the other end of described resistance R6 connects electricity
One end of resistance R5, the other end ground connection of described resistance R5；
One end of the other end shunt capacitance C3 of described resistance R14 and one end of resistance R15, described resistance R15's
One end of other end shunt capacitance C4 and the positive input terminal of amplifier A4, the other end ground connection of described electric capacity C4, described electric capacity
The negative input end of other end parallel connection amplifier A4 of C3 and the outfan of amplifier A4.
Beneficial effect:
Sampling bottle switch valve the most of the present utility model is two, is separately mounted on outlet pipe and water inlet pipe, two samplings
Bottle switch valve all coordinates sampling bottle to use, and helps the turbidity transducer work in sampling bottle, enters according to different detection demands
Row regulation.
Electronic sampling valve the most of the present utility model coordinates sampling bottle to use, and installs, according to difference on each sampling bottle
Detection mode control sample extraction time in each filter tank, extract capacity, with extraction speed.
The output lead of Turbidity measurement instrument the most of the present utility model is the most conveniently checked in all concluding data wire wiring casing 13
The screen of Turbidity measurement instrument and convenient arrangement are changed with maintenance.
Filter tank the most of the present utility model display lamp coordinates sampling cabinet to use with service chamber, helps staff conveniently
Understand detection state.
Standard and modular design concept the most of the present utility model does product, highly integrated, and reserved and factory PLC is long-range
Link, rolls into a ball large-scale production lay the foundation for two workshops or even complete or collected works in the future, be equipped with recording instrument without paper, instrument record can be coordinated each
Plant technological parameter.
Accompanying drawing illustrates:
Accompanying drawing 1 is the structural representation of this utility model sampling cabinet.
Accompanying drawing 2 is the structural representation of this utility model detection case.
Accompanying drawing 3 is the structural representation that this utility model detects outer case lid.
Accompanying drawing 4 is the electric flow chart of logging of the present utility model.
Accompanying drawing 5 is turbidity transducer pre-amplification circuit of the present utility model.
Accompanying drawing 6 is electronic sampling valve schematic diagram of the present utility model.
Accompanying drawing 7 is the elementary diagram of this utility model detection case.
Detailed description of the invention:
Embodiment 1
A kind of filter tank logging, its composition includes: sampling cabinet, described sampling cabinet include sampling outer case 1, winding box 2,
Winding displacement, electronic sampling valve 3 and sampling bottle 4, the upper end of described sampling bottle 4 connects outlet pipe 5, the lower end of described sampling bottle 4
Connect water inlet pipe 6, described outlet pipe 5 be connected sampling bottle switch valve 7 on water inlet pipe 6 respectively, described water inlet pipe 6 connects to be filtered
Pond, loads turbidity transducer in described sampling bottle 4, and the upper end of described sampling bottle 4 is through the electric wire 9 of turbidity transducer, institute
Connecting electronic sampling valve 3 on the outlet pipe 5 stated, described electronic sampling valve 3 is above sampling bottle switch valve 7, and described is turbid
The electric wire of degree sensor collects in winding box 2, described winding box 2, sampling bottle switch valve 7, electronic sampling valve 3 and sampling bottle
4 all sample in outer case 1.
Embodiment 2
Filter tank logging described in embodiment 1, described sampling cabinet connects detection case, described detection case and bag by winding displacement
Include detection outer case 9, the fuselage 10 of Turbidity measurement instrument, soft-touch control 11 and detector detection switch 12, described Turbidity measurement
The fuselage 10 of instrument coordinates turbidity transducer to use, and the inner upper of described detection outer case 9 arranges data wire wiring casing 13, institute
The fuselage 10 of the Turbidity measurement instrument stated is arranged on the upper left-hand of detection outer case 9, the output lead 14 of described Turbidity measurement instrument
Concluding in data wire wiring casing 13, the upper right of described detection outer case 9 arranges soft-touch control 11, outside described detection
The bottom of casing 9 connects detector detection switch 12, described detector detection switch 12 and the fuselage 10 1 of Turbidity measurement instrument
One is corresponding, and described detection outer case 9 connects the outer case lid 15 of detection by rotating shaft, and the outer case lid 15 of described detection arranges screen
16, the right side of described screen 16 arranges button 17, and the lower end of described screen 16 arranges filter tank display lamp 18, described detection
Outer case lid 15 obtains left side and is provided with lock 19.The bottom of described detection outer case 9 has cabling port 20, described cabling port 20
Interior through data wire and electric wire.
Embodiment 3
Filter tank logging described in embodiment 1, includes circuit board, described electricity in the fuselage 10 of described Turbidity measurement instrument
Road plate includes turbidity transducer, and the signal of tested filter tank water in described turbidity transducer reception sampling bottle, described turbidity passes
Signal is passed to i-v change-over circuit by sensor, and signal is passed to amplifying circuit, described amplification by described i-v change-over circuit
Signal is passed to filter circuit by circuit, and signal is passed to analog to digital conversion circuit by described filter circuit, and described modulus turns
Change circuit and signal is passed to single-chip microcomputer, described single-chip microcomputer and RS232 interface bi-directional signal, described RS232 interface
With host computer bi-directional signal, described single-chip microcomputer receives the signal of real-time clock and keyboard, and described single-chip microcomputer is by signal
Passing to photoelectric isolating circuit, signal is passed to D/A converting circuit, described digital-to-analogue conversion by described photoelectric isolating circuit
Signal is passed to modulate circuit by circuit, and signal is passed to outfan by described modulate circuit, and described outfan connects note
Record machine.
Embodiment 4
Filter tank logging described in embodiment 3, described turbidity transducer includes pre-amplification circuit, described front storing
Big circuit includes that No. 1 pin of the interface J1, the interface J1 of described turbidity transducer of turbidity transducer connects the one of resistance R1
End, one end of other end parallel resistance R2 of described resistance R1 and one end of electric capacity C1, the other end of described electric capacity C1 is also
No. 2 pins of the interface J1 of connection turbidity transducer connect amplifier A1 with the outfan of amplifier A1, the other end of described resistance R2
Negative input end, the positive input terminal of described amplifier A1 connects the 3rd end of slide rheostat R7, the VCC end of described amplifier A1
Connect one end of resistance R3, one end of other end parallel resistance R8 of described resistance R3, one end of diode D1, diode D1
One end of the 3rd end and resistance R11, the other end of described resistance R8 connects one end of slide rheostat R7, described slip
The other end of rheostat R7 connects one end of resistance R9, and the other end ground connection of described diode D1, described resistance R11's is another
One end connects one end of resistance R12, and the other end of described resistance R12 connects the other end of resistance R9；Described resistance R12's
The negative input end of three-terminal link amplifier A3；
One end of No. 3 pins in parallel resistance R4, one end of electric capacity C2 and the amplifier of the interface J1 of described turbidity transducer
The negative input end of A2, the positive input terminal ground connection of described amplifier A2, another of outfan parallel resistance R4 of described amplifier A2
End, the other end of electric capacity C2 and one end of resistance R13, the other end of described resistance R13 connects the positive input terminal of amplifier A3, institute
One end of outfan parallel resistance R14 of connection amplifier A3 stated and one end of slide rheostat R10, described slide rheostat
3rd end of the other end parallel connection slide rheostat R10 of R10 and one end of resistance R6, the other end of described resistance R6 connects electricity
One end of resistance R5, the other end ground connection of described resistance R5；
One end of the other end shunt capacitance C3 of described resistance R14 and one end of resistance R15, described resistance R15's
One end of other end shunt capacitance C4 and the positive input terminal of amplifier A4, the other end ground connection of described electric capacity C4, described electric capacity
The negative input end of other end parallel connection amplifier A4 of C3 and the outfan of amplifier A4.
Embodiment 5
Filter tank logging described in embodiment 1, the circuit diagram of described electronic sampling valve includes executor, described execution
Device includes that stand-by power supply, control circuit and motor, described stand-by power supply connect control circuit, and described control circuit connects
Motor, described control circuit is also connected with switching SW, described switch SW and connects executor internal controller IS.
Embodiment 6
Filter tank logging described in embodiment 1, loads Turbidity measurement instrument, described turbidity check meter in described detection case
One end of No. 1 pins in parallel single-pole double-throw switch (SPDT) K2 of KZ1 and No. 4 pins of turbidity check meter KZ1, described turbidity check meter
One end of No. 5 pins connection relay J 1-1 of KZ1, one end of No. 6 pin J1-2 of described turbidity check meter KZ1, described
No. 7 pins of turbidity check meter KZ1 connect one end of relay J 1-3, No. 8 pins of described turbidity check meter KZ1 connect
One end of relay J 1-4, No. 9 pins of described turbidity check meter KZ1 connect one end of relay J 1-5, described turbidity
No. 10 pins of check meter KZ1 connect one end of relay J 1-6, the other end of described relay J 1-1, relay J 1-2
The other end, the other end of relay J 1-3, relay J 1-4 the other end the most in parallel with the other end of relay J 1-5 described in
No. 2 pins of turbidity check meter KZ1 and zero line N, described single-pole double-throw switch (SPDT) K2 the 3rd end parallel connection single-pole double-throw switch (SPDT) K1's
One end and one end of 24V power supply, the three-terminal link of described single-pole double-throw switch (SPDT) K1 crosses line L, described single-pole double-throw switch (SPDT)
The other end of K2 connects No. 1 pin of soft-touch control C1 and No. 1 pin of soft-touch control C2, No. 2 of described soft-touch control C1
Pin is all connected with No. 3 pins of zero line N, described soft-touch control C1 by connecting after J1-1 with No. 2 pins of soft-touch control C2
Zero line N, No. 4 pins of soft-touch control C1 connect by after J1-3 by connecting No. 5 pins of zero line N, soft-touch control C1 after J1-2
No. 3 pins of connecting to neutral line N, described soft-touch control C2 are passed through by connection zero line N, No. 4 pins of soft-touch control C2 after J1-4
No. 5 pins of zero line N, soft-touch control C2 are connected by connecting zero line N, the other end of described 24V power supply after J1-6 after J1-5
Connect zero line N, described 24V power supply SRE J1-1 and F1, described relay J 1-1 relay J 1-in parallel with F1
2 and F2, relay J 1-3 and F3, relay J 1-4 and F4, relay J 1-5 and F5 and relay J 1-6 and F6.
Certainly, described above is not to restriction of the present utility model, and this utility model is also not limited to the example above,
Change that those skilled in the art are made in essential scope of the present utility model, retrofit, add or replace, also should
Belong to protection domain of the present utility model.
Claims (4)
1. a filter tank logging, its composition includes: sampling cabinet, it is characterized in that: described sampling cabinet includes sampling outer case
(1), winding box (2), winding displacement, electronic sampling valve (3) and sampling bottle (4), the upper end connection outlet pipe of described sampling bottle (4)
(5), the lower end of described sampling bottle (4) connects water inlet pipe (6), and described outlet pipe (5) takes with being connected respectively on water inlet pipe (6)
Sample bottle switch valve (7), described water inlet pipe (6) loads turbidity transducer in connecting filter tank, described sampling bottle (4), described
The upper end of sampling bottle (4) is through the electric wire (8) of turbidity transducer, and described outlet pipe (5) is upper connects electronic sampling valve (3), institute
The electronic sampling valve (3) stated is in the top of sampling bottle switch valve (7), and the electric wire of described turbidity transducer collects in winding box
(2), in, described winding box (2), sampling bottle switch valve (7), electronic sampling valve (3) and sampling bottle (4) all sample outer case (1)
In.
Filter tank the most according to claim 1 logging, is characterized in that: described sampling cabinet connects detection case by winding displacement,
Described detection case includes that detection outer case (9), the fuselage (10) of Turbidity measurement instrument, soft-touch control (11) are opened with detector detection
Closing (12), the fuselage (10) of described Turbidity measurement instrument coordinates turbidity transducer to use, the inside of described detection outer case (9)
Being provided above data wire wiring casing (13), the fuselage (10) of described Turbidity measurement instrument is arranged on the top of detection outer case (9)
Left side, it is interior that the output lead (14) of described Turbidity measurement instrument concludes data wire wiring casing (13), described detection outer case (9)
Upper right soft-touch control (11) is set, the bottom of described detection outer case (9) connects detector detection switch (12), institute
Detector detection switch (12) stated and fuselage (10) one_to_one corresponding of Turbidity measurement instrument, described detection outer case (9) is passed through
Rotating shaft connects the outer case lid of detection (15), and the outer case lid (15) of described detection arranges screen (16), the right side of described screen (16)
Side arranges button (17), and the lower end of described screen (16) arranges filter tank display lamp (18), the outer case lid (15) of described detection
Left side is provided with lock (19).
Filter tank the most according to claim 1 logging, is characterized in that: include in the fuselage (10) of described Turbidity measurement instrument
Circuit board, described circuit board includes turbidity transducer, the letter of tested filter tank water in described turbidity transducer reception sampling bottle
Number, signal is passed to i-v change-over circuit by described turbidity transducer, and signal is passed to amplify by described i-v change-over circuit
Circuit, signal is passed to filter circuit by described amplifying circuit, and signal is passed to analog digital conversion electricity by described filter circuit
Road, signal is passed to single-chip microcomputer, described single-chip microcomputer and RS232 interface bi-directional signal by described analog to digital conversion circuit,
Described RS232 interface and host computer bi-directional signal, described single-chip microcomputer receives the signal of real-time clock and keyboard, described
Single-chip microcomputer signal is passed to photoelectric isolating circuit, signal is passed to D/A converting circuit by described photoelectric isolating circuit,
Signal is passed to modulate circuit by described D/A converting circuit, and signal is passed to outfan by described modulate circuit, described
Outfan linkage record machine.
Filter tank the most according to claim 3 logging, is characterized in that: described turbidity transducer includes preposition amplification electricity
Road, described pre-amplification circuit includes the interface J1 of turbidity transducer, No. 1 pin of the interface J1 of described turbidity transducer
Connect one end of resistance R1, one end of other end parallel resistance R2 of described resistance R1 and one end of electric capacity C1, described electricity
Holding No. 2 pins of the interface J1 of the other end parallel connection turbidity transducer of C1 and the outfan of amplifier A1, described resistance R2's is another
One end connects the negative input end of amplifier A1, and the positive input terminal of described amplifier A1 connects the 3rd end of slide rheostat R7, described
Amplifier A1 VCC end connect resistance R3 one end, one end of other end parallel resistance R8 of described resistance R3, diode D1
One end, one end of the 3rd end and resistance R11 of diode D1, the other end of described resistance R8 connects slide rheostat R7's
One end, the other end of described slide rheostat R7 connects one end of resistance R9, the other end ground connection of described diode D1, institute
The other end of the resistance R11 stated connects one end of resistance R12, and the other end of described resistance R12 connects the other end of resistance R9；
The negative input end of three-terminal link amplifier A3 of described resistance R12；
One end of No. 3 pins in parallel resistance R4 of the interface J1 of described turbidity transducer, one end and amplifier A2 of electric capacity C2
Negative input end, the positive input terminal ground connection of described amplifier A2, the other end of outfan parallel resistance R4 of described amplifier A2, electricity
Holding the other end of C2 and one end of resistance R13, the other end of described resistance R13 connects the positive input terminal of amplifier A3, described
Connect one end of outfan parallel resistance R14 of amplifier A3 and one end of slide rheostat R10, described slide rheostat R10
One end of the 3rd end and resistance R6 of other end parallel connection slide rheostat R10, the other end of described resistance R6 connects resistance
One end of R5, the other end ground connection of described resistance R5；
One end of the other end shunt capacitance C3 of described resistance R14 and one end of resistance R15, another of described resistance R15
One end of end shunt capacitance C4 and the positive input terminal of amplifier A4, the other end ground connection of described electric capacity C4, described electric capacity C3's
The negative input end of other end parallel connection amplifier A4 and the outfan of amplifier A4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620584469.9U CN205665241U (en) | 2016-06-16 | 2016-06-16 | Appearance is patrolled and examined in filtering pond |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620584469.9U CN205665241U (en) | 2016-06-16 | 2016-06-16 | Appearance is patrolled and examined in filtering pond |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205665241U true CN205665241U (en) | 2016-10-26 |
Family
ID=57154948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620584469.9U Expired - Fee Related CN205665241U (en) | 2016-06-16 | 2016-06-16 | Appearance is patrolled and examined in filtering pond |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205665241U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105929125A (en) * | 2016-06-16 | 2016-09-07 | 哈尔滨供水集团有限责任公司 | Itinerant detector for filter |
-
2016
- 2016-06-16 CN CN201620584469.9U patent/CN205665241U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105929125A (en) * | 2016-06-16 | 2016-09-07 | 哈尔滨供水集团有限责任公司 | Itinerant detector for filter |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161026 Termination date: 20190616 |