CN207937441U - Water quality detecting device and the hidden water danger source positioning system of coal mine - Google Patents
Water quality detecting device and the hidden water danger source positioning system of coal mine Download PDFInfo
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- CN207937441U CN207937441U CN201820117193.2U CN201820117193U CN207937441U CN 207937441 U CN207937441 U CN 207937441U CN 201820117193 U CN201820117193 U CN 201820117193U CN 207937441 U CN207937441 U CN 207937441U
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Abstract
The utility model provides a kind of water quality detecting device and the hidden water danger source positioning system of coal mine, is related to the technical field of mine water disaster prevention, which includes：First box body and detector, wherein the bottom of the open top of the first box body, the first box body is equipped with multiple holes that are filled with water, and not connected between multiple holes that are filled with water；Detector includes transducer beam, and transducer beam includes multiple sensors, and a sensor is for being detected a kind of water quality ion of the Kong Zhongshui that is filled with water, and the water quality ion that multiple sensors are detected is different.Water quality detecting device in the utility model can be placed on progress water quality detection at the aperture of drilling, wherein, each water being filled with water in hole is static condition, and the detection between various water quality ions is independent of each other, to alleviate the technical problem that traditional water quality detecting device is relatively low to the accuracy of detection of water quality ion and detection efficiency is poor.
Description
Technical field
The utility model is related to the technical fields of mine water disaster prevention, more particularly, to a kind of water quality detecting device and coal mine
Hidden water danger source positioning system.
Background technology
China's coal-mine water damage takes place frequently, and all causes hundreds of personnel death every year, and water inrush quantity is maximum, it is most fast to flood well,
The water damage of disaster degree most serious is as caused by the hidden water danger source of seat earth.
Currently, coal mine has carried out water damage study of warning, the index of early warning is limited to water, the i.e. water level to ground peephole more
Real-time radio telemetering is carried out, real-time cable monitoring carried out to the regimen in borehole observation hole and EXIT POINT, then by the information of each substation
It is transmitted to ground monitoring center.Even if individual coal mines study the chemical early warning of water damage, but in view of traditional water quality detection
Device it is complicated and huge, water bursting in mine water source detection method is only limitted to carry out in special laboratory, and this method is needed well
Lower water sample taking-up is sent to laboratory assay, and speed is slow, and the period is long, and detection efficiency is poor, it is difficult to the burning issue in production is solved,
The purpose of early warning is not achieved.
Although the prior art has traditional water quality detecting device the improvement of some shape, structures etc., make its detection
Probe can directly be insinuated into mine laneway or drilling orifice and carry out water quality detection, but due to mine laneway or drilling orifice
Water can mostly flow, and water body is unstable, and the fluctuation for the water quality ion that probes sense arrives is larger, pop one's head in water quality ion in flow
Accuracy of detection is relatively low.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of water quality detecting device and the hidden water danger source of coal mine are fixed
Position system, is asked with alleviating the technology that traditional water quality detecting device is relatively low to the accuracy of detection of water quality ion and detection efficiency is poor
Topic.
In a first aspect, the utility model embodiment provides a kind of water quality detecting device, including：First box body and detection
Instrument, wherein
The bottom of the open top of first box body, first box body is equipped with multiple holes that are filled with water, and multiple Shengs
It is not connected between water hole；
The detector includes transducer beam, and the transducer beam includes multiple sensors, and a sensor is used for
A kind of water quality ion for the Kong Zhongshui that is filled with water described in one is detected, and the water quality ion that multiple sensors are detected is each
It differs.
With reference to first aspect, the utility model embodiment provides the first possible embodiment of first aspect,
In, the water quality ion of each sensor detection include it is following any one：Na+、K+、Ca2+、Mg2+、Fe2+、Cl-、HCO3-、
With reference to first aspect, the utility model embodiment provides second of possible embodiment of first aspect,
In, the detector includes：Electrode socket, transmitter and secondary meter, wherein
The electrode socket is for fixing multiple sensors；
The transmitter is connected with the sensor, and the analog signal for acquiring the sensor is converted to digital letter
Number, and the digital signal is sent to the secondary meter；
The secondary meter is connected with the transmitter, for according to reception sequence to the digital signal that receives into
Row water analysis.
Second of possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect
Three kinds of possible embodiments, wherein
The electrode socket lid closes the top open part in first box body, so that the transducer beam is filled with water to described
The water quality of Kong Zhongshui is detected；And
It is corresponded between the position of multiple sensors and the position in multiple holes that are filled with water, so that a biography
The test side of sensor is filled with water described in being insinuated into one in hole.
The third possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect
Four kinds of possible embodiments, wherein the side of the electrode socket includes：First edge and the second edge, wherein
When the electrode socket lid is closed in the top open part of first box body, first edge is embedded into described
In the side of first box body, second edge is stuck on the side of first box body.
The third possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect
Five kinds of possible embodiments, wherein the difference of the radius in the hole that is filled with water and the radius of the test side of the sensor is in pre-
If in range, wherein the preset range is 3mm-5mm.
With reference to first aspect, the utility model embodiment provides the 6th kind of possible embodiment of first aspect,
In, described device further includes substrate, and the substrate is fixedly connected with the bottom of first box body, and the substrate is equipped with multiple
The hole that is filled with water.
With reference to first aspect, the utility model embodiment provides the 7th kind of possible embodiment of first aspect,
In, first box body is the box body made by transparent material.
With reference to first aspect, the utility model embodiment provides the 8th kind of possible embodiment of first aspect,
In, described device further includes babinet, wherein
The babinet is the babinet strengthened organic glass and be fabricated to；
The babinet is built-in with the second box body, and the bottom of second box body is equipped with multiple jacks, the internal diameter of the jack
It is bigger 0.5mm-1mm than the outer diameter of the test side of the sensor, so as to when the water quality detecting device is without water quality detection,
The storage sensor in the jack.
Second aspect, the utility model embodiment also provide a kind of hidden water danger source positioning system of coal mine, including：It calculates
Machine, hydraulic pressure sensor, water temperature sensor and above-mentioned water quality detecting device, wherein
The hydraulic pressure sensor is used to detect the hydraulic pressure at water source；
The water temperature sensor is used to detect the water temperature at water source；
The water quality detecting device is used to detect the water quality at water source；
The computer is connected with the hydraulic pressure sensor, the water temperature sensor, the water quality detecting device respectively, is used
According to the progress water danger source positioning of the water quality at the hydraulic pressure at the water source, the water temperature at water source, water source.
The utility model embodiment brings following advantageous effect：The multiple holes that are filled with water being equipped with by the bottom of the first box body
The water source of water quality to be detected is held, by multiple sensors included by transducer beam the water being filled with water in hole is carried out respectively
Water quality detection, not connected between multiple holes that are filled with water, the water quality ion that multiple sensors are detected is different, thus, this reality
It can be placed at the aperture of drilling with the water quality detecting device in new embodiment and carry out water quality detection, wherein be each filled with water hole
In water be static condition, and the detection between various water quality ions is independent of each other, to alleviate traditional water quality detection dress
Set matter ion accuracy of detection is relatively low and the poor technical problem of detection efficiency.
Other feature and advantage of the utility model will illustrate in the following description, also, partly from specification
In become apparent, or understood by implementing the utility model.The purpose of this utility model and other advantages are illustrating
Specifically noted structure is realized and is obtained in book, claims and attached drawing.
To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, preferred embodiment cited below particularly, and
The appended attached drawing of cooperation, is described in detail below.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific implementation mode or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, other drawings may also be obtained based on these drawings.
Fig. 1 is a kind of structural schematic diagram for water quality detecting device that the utility model embodiment one provides；
Fig. 2 is a kind of structural schematic diagram for detector that the utility model embodiment one provides；
Fig. 3 is a kind of structural schematic diagram for second box body that the utility model embodiment one provides；
Fig. 4 is a kind of structural representation for the hidden water danger source positioning system of coal mine that the utility model embodiment two provides
Figure.
Icon：The first box bodys of 11-；The second box bodys of 12-；21- is filled with water hole；22- jacks；3- sensors；4- electrode sockets；
The first edges 41-；The second edges 42-；5- transmitters；6- secondary meters；7- substrates；8- keyways；9- keys；10- hydraulic pressure sensors；
20- water temperature sensors；30- water quality detecting devices；40- computers.
Specific implementation mode
To keep the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with attached drawing to this
The technical solution of utility model is clearly and completely described, it is clear that described embodiment is that the utility model part is real
Example is applied, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making
The every other embodiment obtained under the premise of creative work, shall fall within the protection scope of the present invention.
The accuracy of detection of traditional water quality detecting device is relatively low, and detection efficiency is poor, is based on this, the utility model embodiment
A kind of water quality detecting device and the hidden water danger source positioning system of coal mine provided, can alleviate traditional water quality detecting device pair
The accuracy of detection of water quality ion is relatively low and the poor technical problem of detection efficiency.
For ease of understanding the present embodiment, a kind of water quality detection disclosed in the utility model embodiment is filled first
It sets and describes in detail.
Embodiment one
The utility model embodiment provides a kind of water quality detecting device, as shown in Figure 1, including：First box body 11 and inspection
Survey instrument, wherein
The bottom of the open top of first box body 11, the first box body 11 is equipped with multiple holes 21 that are filled with water, and multiple holes 21 that are filled with water
Between it is not connected；
Detector includes transducer beam, and transducer beam includes multiple sensors 3, and a sensor 3 is for being filled with water to one
A kind of water quality ion of water is detected in hole 21, and the water quality ion that multiple sensors 3 are detected is different.
It should be noted that when carrying out water quality detection to multiple water that are filled with water in hole 21 using multiple sensors 3, Mei Gesheng
Water in water hole 21 must not overflow the hole 21 that is filled with water, in order to avoid the shaking for the water in hole 21 of causing to be filled with water, to influence the essence of water quality detection
Degree.
In the utility model embodiment, the multiple holes 21 that are filled with water being equipped with by the bottom of the first box body 11 are to be detected to hold
The water source of water quality carries out water quality detection respectively by multiple sensors 3 included by transducer beam to the water being filled with water in hole 21,
Not connected between multiple holes 21 that are filled with water, the water quality ion that multiple sensors 3 are detected is different, thus, the utility model
Water quality detecting device in embodiment can be placed on progress water quality detection at the aperture of drilling, wherein each be filled with water in hole 21
Water is static condition, and the detection between various water quality ions is independent of each other, to alleviate traditional water quality detecting device pair
The accuracy of detection of water quality ion is relatively low and the poor technical problem of detection efficiency.
In a kind of optional embodiment in the utility model embodiment, the water quality ion of each sensor detection include with
Descend any one：Na+、K+、Ca2+、Mg2+、Fe2+、Cl-、HCO3-、
It is emphasized that each sensor only detects a kind of ion in above-mentioned water quality ion, and different sensors are examined
Survey the different ions in above-mentioned water quality ion, included by transducer beam for detect water quality number of sensors and need to detect
Ion species number it is identical.
Specifically, sensor detection be water quality ion concentration value, by the mutation of the concentration value of different ions come pair
The hidden water danger source of seat earth causes calamity to realize chemical early warning, to realize coal by different Drilling Water intermediate ion concentration
The positioning of the hidden water danger source of layer bottom plate.
In the utility model embodiment, selection is detected the above-mentioned common ion in water, can preferably reflect water quality
Variation, to preferably to the hidden water danger source of seat earth cause calamity realize chemical early warning and to hidden water danger source it is fixed
Position.
In another optional embodiment in the utility model embodiment, as shown in Fig. 2, detector includes：Electrode is inserted
Seat 4, transmitter 5 and secondary meter 6, wherein
Electrode socket 4 is for fixing sensor 3；
Transmitter 5 and sensor 3 connect, and the analog signal for acquiring sensor 3 is converted to digital signal, and will count
Word signal is sent to secondary meter 6；
Secondary meter 6 and transmitter 5 connect, touring for carrying out water quality to the digital signal received according to reception sequence
Analysis.
In the utility model embodiment, sensor 3 is fixed on electrode socket 4, passes through the i.e. replaceable biography of electrode socket 4
Sensor 3.In addition, secondary meter 6 carries out the touring analysis of water quality according to reception sequence to the digital signal received, pass through one two
The realization of secondary instrument 6 handles multiple-quality water ion concentration value.
In another optional embodiment in the utility model embodiment, electrode socket lid closes at the top of the first box body
Opening, so that transducer beam is detected the water quality for the Kong Zhongshui that is filled with water；And
It is corresponded between the position of multiple sensors and the position in multiple holes that are filled with water, so that the test side of a sensor
One is insinuated into be filled with water in hole.
In the utility model embodiment, transducer beam is fixed on electrode socket, and electrode socket lid is closed in the first box body
Top open part, and corresponded between the position of multiple sensors and the position in multiple holes that are filled with water, so that a biography
The water quality of the Kong Zhongshui that is filled with water of sensor pair is detected.
In another optional embodiment in the utility model embodiment, as shown in Fig. 2, the side packet of electrode socket 4
It includes：First edge 41 and the second edge 42, wherein
When the lid of electrode socket 4 is closed in the top open part of the first box body, the first edge 41 is embedded into the side of the first box body
In side, the second edge 42 is stuck on the side of the first box body.
In the utility model embodiment, the connection relation between electrode socket 4 and the first box body is relatively stable, further makes
When must be detected to the water being filled with water in hole, the stabilization of the stability and the water being filled with water in hole of the test side of sensor 3 ensure that
Property, be conducive to the raising of water quality ion detection precision.
In another optional embodiment in the utility model embodiment, the radius in the hole that is filled with water and the test side of sensor
The difference of radius be in preset range, wherein preset range 3mm-5mm.
In the utility model embodiment, hole is filled with water under the premise of satisfaction holds the test side of sensor, is more advantageous to increasing
The distribution density in the big hole that is filled with water, while it being also beneficial to the distribution density of sensor, to be conducive to the small-sized of water quality detecting device
Change so that the placing area that water quality detecting device occupies is smaller, easy to carry and use.
In another optional embodiment in the utility model embodiment, as shown in Figure 1, water quality detecting device further includes
Substrate 7, substrate 7 are fixedly connected with the bottom of the first box body 11, and substrate 7 is equipped with multiple holes 21 that are filled with water, and substrate 7 is whole as one piece
Body material, be arranged above the multiple holes 21 that are filled with water advantageously ensure that it is not connected between multiple holes 21 that are filled with water.
In another optional embodiment in the utility model embodiment, the first box body is the box made by transparent material
Body, to which when sensor carries out water quality detection to the Kong Zhongshui that is filled with water, staff is it will be clear that sensor and be filled with water
Position relationship between hole, so as to make a sensor pair one be filled with water Kong Zhongshui carry out water quality detection.
In another optional embodiment in the utility model embodiment, as shown in figure 3, water quality detecting device further includes
Babinet, babinet are the babinet strengthened organic glass and be fabricated to；
Babinet is built-in with the second box body 12, and the bottom of the second box body 12 is equipped with multiple jacks 22, and the internal diameter of jack 22 is than passing
The big 0.5mm-1mm of outer diameter of the test side of sensor, when water quality detecting device is without water quality detection, to be stored in jack 22
Sensor.
It should be noted that above-mentioned reinforcing organic glass refers to the organic glass by strengthening process, organic glass
High 10 times or so of the stretch-proof of itself and shock proof ability ratio simple glass, have the advantages that non-breakable.Add by strengthening
The organic glass of work process further improves the intensity of glass, makees to play preferably protection to the sensor in babinet
With.
Specifically, it when water quality detecting device is without water quality detection, is held in jack 22 and protection work is played to sensor
Then sensor is placed in jack 22, and detector is also disposed in babinet by titer, examined to water quality to play
Survey the effect that device is protected.And mobile or when carrying babinet, the aperture of jack 22 is should ensure that upward, to avoid standard
Liquid stream goes out or the titer in different jacks 22 is avoided mutually to mix.
In the utility model embodiment, compared with the hole 21 shown in FIG. 1 that is filled with water, jack 22 has smaller aperture.Into one
Step, in order to protect sensor, the depth of jack 22 that the test side of sensor should be able to be allowed to be totally immersed into the titer of jack 22.
Also, sealing ring can be arranged in the test side of sensor, and sealing ring is set in the test side of sensor in " O " type, is sensing
After device is inserted into jack 22, sealing ring is buckled at the aperture of jack 22, so that the titer in jack 22 is not easy to flow out jack 22.
In addition, referring to Figure 1 and Figure 3, after jack 22 is inserted into the test side of sensor 3, in order to make sensor 3 and jack 22
Between position relationship fix, can keyway 8 be set on the first edge 41 and is passed through in the side wall set key 9 of the second box body 12
Key 9 is inserted into keyway 8 and realizes the purpose that the above-mentioned position made between sensor 3 and jack 22 is fixed to each other.
Embodiment two
The utility model embodiment provides a kind of hidden water danger source positioning system of coal mine, as shown in figure 4, including：Meter
Water quality detecting device 30 in calculation machine 40, hydraulic pressure sensor 10, water temperature sensor 20 and embodiment one, wherein
Hydraulic pressure sensor 10 is used to detect the hydraulic pressure at water source；
Water temperature sensor 20 is used to detect the water temperature at water source；
Water quality detecting device 30 is used to detect the water quality at water source；
Computer 40 is connected with hydraulic pressure sensor 10, water temperature sensor 20, water quality detecting device 30 respectively, for according to water
The hydraulic pressure in source, the water temperature at water source, the water quality at water source carry out water danger source positioning.
Specifically, the hidden tomography of seat earth and the strong conduit pipe of karst collapse col umn so that flow is across floor sandstone or thin
Generation is more flowed when layer limestone aquifer, hydraulic theory under base area, hydraulic pressure, water will occur for water-bearing layer in seat earth
The mutation of mild water quality, thus by being detected and analyzed to the hydraulic pressure at water source, water temperature and water quality, then can further orient
The water damage region of generation hydraulic pressure, water temperature, water quality geologic consequence, and at the same time carrying out the detection of hydraulic pressure, water temperature and water quality is beneficial to
The precision of water damage zone location improves.
In the utility model embodiment, multiple it is filled with water by what the bottom of the first box body in water quality detecting device 30 was equipped with
Hole holds the water source of water quality to be detected, by multiple sensors included by transducer beam come to the water being filled with water in hole respectively into
Row water quality detection, not connected between multiple holes that are filled with water, the water quality ion that multiple sensors are detected is different, thus, this
Water quality detecting device 30 in utility model embodiment can be placed on progress water quality detection at the aperture of drilling, wherein Mei Gesheng
Water in water hole is static condition, and the detection between various water quality ions is independent of each other, to alleviate traditional water quality inspection
The technical problem that device is relatively low to the accuracy of detection of water quality ion and detection efficiency is poor is surveyed, the hidden water of coal mine is further conducive to
The precision that danger source positioning system positions water damage.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description
It with the specific work process of device, can refer to corresponding processes in the foregoing method embodiment, details are not described herein.
In addition, in the description of the utility model embodiment unless specifically defined or limited otherwise, term " installation ",
" connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, can also be electrical connection；It can be directly connected, can also indirectly connected through an intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned term with concrete condition
Concrete meaning in the present invention.
It is in the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
The utility model and simplifying describes for ease of description, do not indicate or imply the indicated device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for description purposes only, and are not understood to indicate or imply relative importance.
Finally it should be noted that：Embodiment described above, only specific embodiment of the present utility model, to illustrate this
The technical solution of utility model, rather than its limitations, the scope of protection of the utility model is not limited thereto, although with reference to aforementioned
The utility model is described in detail in embodiment, it will be understood by those of ordinary skill in the art that：It is any to be familiar with this skill
The technical staff in art field within the technical scope disclosed by the utility model, still can be to the skill recorded in previous embodiment
Art scheme modify or can readily occur in variation or equivalent replacement of some of the technical features；And these modifications,
Variation is replaced, the spirit and model of the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution
It encloses, should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model is answered described is wanted with right
Subject to the protection domain asked.
Claims (10)
1. a kind of water quality detecting device, which is characterized in that including：First box body and detector, wherein
The bottom of the open top of first box body, first box body is equipped with multiple holes that are filled with water, and multiple holes that are filled with water
Between it is not connected；
The detector includes transducer beam, and the transducer beam includes multiple sensors, and a sensor is used for one
A kind of water quality ion of a Kong Zhongshui that is filled with water is detected, and each not phase of the water quality ion that is detected of multiple sensors
Together.
2. the apparatus according to claim 1, which is characterized in that the water quality ion of each sensor detection includes following
Any one：Na+、K+、Ca2+、Mg2+、Fe2+、Cl-、HCO3-、
3. the apparatus according to claim 1, which is characterized in that the detector includes：Electrode socket, transmitter and secondary
Instrument, wherein
The electrode socket is for fixing multiple sensors；
The transmitter is connected with the sensor, and the analog signal for acquiring the sensor is converted to digital signal,
And the digital signal is sent to the secondary meter；
The secondary meter is connected with the transmitter, for carrying out water to the digital signal received according to reception sequence
Matter is analyzed.
4. device according to claim 3, which is characterized in that
The electrode socket lid closes the top open part in first box body, so that the transducer beam is filled with water to described in hole
The water quality of water is detected；And corresponded between the position and the position in multiple holes that are filled with water of multiple sensors,
So that the test side of a sensor be insinuated into one described in be filled with water in hole.
5. device according to claim 4, which is characterized in that the side of the electrode socket includes：First edge and
Two edges, wherein
When the electrode socket lid is closed in the top open part of first box body, first edge is embedded into described first
In the side of box body, second edge is stuck on the side of first box body.
6. device according to claim 4, which is characterized in that the test side of the radius and the sensor in the hole that is filled with water
The difference of radius be in preset range, wherein the preset range is 3mm-5mm.
7. the apparatus according to claim 1, which is characterized in that described device further includes substrate, the substrate and described
The bottom of one box body is fixedly connected, and the substrate is equipped with multiple holes that are filled with water.
8. the apparatus according to claim 1, which is characterized in that first box body is the box body made by transparent material.
9. the apparatus according to claim 1, which is characterized in that described device further includes babinet, wherein
The babinet is the babinet strengthened organic glass and be fabricated to；
The babinet is built-in with the second box body, and the bottom of second box body is equipped with multiple jacks, and the internal diameter of the jack compares institute
The big 0.5mm-1mm of outer diameter for stating the test side of sensor, it is described so as to when the water quality detecting device is without water quality detection
The storage sensor in jack.
10. a kind of hidden water danger source positioning system of coal mine, which is characterized in that including：Computer, hydraulic pressure sensor, water temperature pass
Water quality detecting device described in any one of sensor and claim 1-9, wherein
The hydraulic pressure sensor is used to detect the hydraulic pressure at water source；
The water temperature sensor is used to detect the water temperature at water source；
The water quality detecting device is used to detect the water quality at water source；
The computer is connected with the hydraulic pressure sensor, the water temperature sensor, the water quality detecting device respectively, is used for root
Water danger source positioning is carried out according to the hydraulic pressure at the water source, the water temperature at the water source, the water quality at the water source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820117193.2U CN207937441U (en) | 2018-01-23 | 2018-01-23 | Water quality detecting device and the hidden water danger source positioning system of coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820117193.2U CN207937441U (en) | 2018-01-23 | 2018-01-23 | Water quality detecting device and the hidden water danger source positioning system of coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207937441U true CN207937441U (en) | 2018-10-02 |
Family
ID=63649596
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820117193.2U Expired - Fee Related CN207937441U (en) | 2018-01-23 | 2018-01-23 | Water quality detecting device and the hidden water danger source positioning system of coal mine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111624321A (en) * | 2020-06-08 | 2020-09-04 | 深圳延浩科技有限公司 | Integrated multi-interface multi-parameter water quality analyzer |
-
2018
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111624321A (en) * | 2020-06-08 | 2020-09-04 | 深圳延浩科技有限公司 | Integrated multi-interface multi-parameter water quality analyzer |
| CN111624321B (en) * | 2020-06-08 | 2021-06-15 | 深圳延浩科技有限公司 | Integrated multi-interface multi-parameter water quality analyzer |
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