CN110133057A - A kind of multi-parameter water quality detection device shell mechanism and its assembly method - Google Patents
A kind of multi-parameter water quality detection device shell mechanism and its assembly method Download PDFInfo
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- CN110133057A CN110133057A CN201910413973.0A CN201910413973A CN110133057A CN 110133057 A CN110133057 A CN 110133057A CN 201910413973 A CN201910413973 A CN 201910413973A CN 110133057 A CN110133057 A CN 110133057A
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- 230000007246 mechanism Effects 0.000 title claims abstract description 40
- 238000001514 detection method Methods 0.000 title claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 38
- 229910052802 copper Inorganic materials 0.000 claims abstract description 38
- 239000010949 copper Substances 0.000 claims abstract description 38
- 239000000523 sample Substances 0.000 claims abstract description 27
- 230000001681 protective effect Effects 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 238000003780 insertion Methods 0.000 claims abstract description 5
- 230000037431 insertion Effects 0.000 claims abstract description 5
- 238000001914 filtration Methods 0.000 claims description 18
- 238000009434 installation Methods 0.000 claims description 17
- 239000012530 fluid Substances 0.000 claims description 7
- 239000004519 grease Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 229920001296 polysiloxane Polymers 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 238000012360 testing method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 10
- 238000013461 design Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/08—Protective devices, e.g. casings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
- G01K13/02—Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
- G01K13/02—Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow
- G01K13/026—Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow of moving liquids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/14—Housings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/14—Housings
- G01L19/148—Details about the circuit board integration, e.g. integrated with the diaphragm surface or encapsulation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/14—Housings
- G01L19/149—Housings of immersion sensor, e.g. where the sensor is immersed in the measuring medium or for in vivo measurements, e.g. by using catheter tips
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/06—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a liquid
- G01N27/07—Construction of measuring vessels; Electrodes therefor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/06—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a liquid
- G01N27/08—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a liquid which is flowing continuously
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- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a kind of multi-parameter water quality detection device shell mechanism and its assembly methods, the hollow cylindrical shell of screw interface is equipped with including both ends, screw interface is set on the upper end cover of shell and for connecting the hickey of watertight part, it is connected between the screw interface of shell and the screw interface of upper end cover by screw, additionally it is located at the intracorporal part setting copper post buried via hole of shell in upper end cover and places the seal groove of sealing O circle, the intracorporal circuit fixed plate of shell is fixed on upper end cover by the copper post in insertion copper post buried via hole.Shell mechanism disclosed in this invention; upper and lower end cap with shell in addition to connecting; both ends are also respectively connected with protective cover and pod, are used to water conservancy diversion and protection probe and watertight part, protective cover are identical with the structure of pod; side wall has notch; and the size of notch opening is sufficient to accommodate the finger of adult male, and it is on the one hand symmetrical above and below in this way, keep shell mechanism more beautiful; on the other hand protective cover and pod is made to play the role of handle, it is easy to carry.
Description
Technical field
The invention belongs to ocean field of water quality detection, in particular to outside one of field multi-parameter water quality detection device
Shell structure and its assembly method.
Background technique
In recent years because the needs of socio-economic development, increase to the development and utilization of marine resources, bring economic benefit
While also caused a series of marine eco-environment problem, so that living marine resources is seriously damaged.With ocean ring
Border protection increasingly by country attention, as marine environmental protection subdivision field ocean environment monitoring industry, also by
The attention of government agencies at all levels.
The common most overall structure of multi-parameter water quality detection device shell mechanism is single currently on the market, reusability is low,
It is expensive, assembling process is complicated, it is difficult to there is stronger limitation in the independent assembly for carrying out shell, the later period when in use
Working service higher cost, especially in marine environment, there is the attachment of serious marine organisms and shell pollution problem, energy
Enough convenient maintenances for carrying out low-cost and high-quality are the premises that detection device works normally, and such as maintenance not in time also can be very big
The accuracy of acquisition data is influenced in degree.
Summary of the invention
The technical problem to be solved by the invention is to provide a kind of structures, and multi-parameter water quality simple, easy to assembly detects
Device housings structure and its assembly method.
The present invention adopts the following technical scheme:
A kind of multi-parameter water quality detection device shell mechanism, thes improvement is that: being equipped with the hollow of screw interface including both ends
Screw interface is arranged and on the upper end cover of shell for connecting the hickey of watertight part, the screw of shell in cylindrical housings
It is connected between interface and the screw interface of upper end cover by screw, is additionally located at the intracorporal part setting copper of shell in upper end cover
Column buried via hole and the seal groove for placing sealing O circle, are fixed the intracorporal circuit fixed plate of shell by the copper post in insertion copper post buried via hole
On upper end cover, it is located at the setting of the part outside shell hickey in upper end cover, the protective cover with notch is connect by the screw thread
Mouthful be connected with upper end cover, screw interface is set on the lower cover of shell and the ring flange interface popped one's head in for fixed test and
Hickey is connected, additionally in lower cover position by screw between the screw interface of shell and the screw interface of lower cover
It is used to place the seal groove of sealing O circle in the intracorporal part setting of shell, is located at the setting screw thread of the part outside shell in lower cover and connects
Mouthful, the side of connector is connected by the hickey with lower cover, the other side setting internal thread interface of connector with outside
Hickey, the filter screen stand with water conservancy diversion circular hole is connected by its hickey with the internal thread interface of connector, in mistake
Fovea superior circle and recessed circle is respectively set in the both ends of filter screen bracket, open end and water conservancy diversion circle with filtration gauze covering filter screen stand
Kong Hou is arranged a rubber ring rubber band across filtration gauze on the recessed circle of per pass, and the pod with notch passes through its screw thread
Interface is connected with the external screw joint of connector.
Further, pass through 316L screw phase between the screw interface of shell and the screw interface of upper end cover and lower cover
Connection.
Further, the protective ring mistake of the copper post fixation hole in circuit fixed plate equipped with fixing circuit board and fixed route
L-type component is additionally installed close to one end two sides of upper end cover in circuit fixed plate in hole respectively, and the copper post across L-type component is inserted
Enter in the copper post buried via hole of upper end cover, so that circuit fixed plate is fixed on upper end cover.
Further, circuit board includes main control board and each detection cell circuit plate, and copper post fixation hole every 6 are one group
One piece of circuit board is fixed, the quantity of protective ring via hole is 2 groups, and the quantity of L-type component is 4, each in the two sides of circuit fixed plate
Installation 2.
Further, the quantity of ring flange interface is 2, is respectively intended to installation pressure detecting probe and temperature detection is visited
Head；The quantity of hickey is 3, and secondary excision body is equipped on the hickey of installation conductivity detection probe.
Further, the quantity of fovea superior circle is 2, and the quantity of recessed circle is 1.
Further, shell and its upper and lower end cap are all made of POM plastic processing, and circuit fixed plate material uses stainless steel.
A kind of assembly method, for above-mentioned multi-parameter water quality detection device shell mechanism, it is improved in that including
Following steps:
(1) circuit board is individually fixed in the copper post fixation hole in circuit fixed plate with copper post, so that circuit board is fixed on
In circuit fixed plate, line related is fixed to protective ring via hole；
(2) each detection probe is fitted into the ring flange interface and hickey of lower cover, watertight part is connected by hickey
It is connected to upper end cover, is connected between each detection probe and circuit board by conducting wire；
(3) L-type component is screwed in circuit fixed plate, the copper post for passing through L-type component is embedded to epoxide-resin glue
In the copper post buried via hole of upper end cover, to circuit fixed plate is fixed on upper end cover, the installation sealing O in the seal groove of upper end cover
After enclosing and smearing grease of silicone fluid, upper end cover is fixedly connected with screw with shell, then protective cover is installed by hickey supreme
On end cap；
(4) after installation sealing O is enclosed and smeared grease of silicone fluid in the seal groove of lower cover, lower cover and shell are fixed into company with screw
It connects, then connector is installed by hickey to lower cover；
(5) filter screen stand is installed on the internal thread interface of connector by its hickey, was covered with filtration gauze
Behind the open end of filter screen bracket and water conservancy diversion circular hole, a rubber is arranged on the recessed circle of per pass of filter screen stand across filtration gauze
Cushion rubber rubber band so that by filtration gauze banding, pod is installed on the external screw joint of connector by its hickey,
Assembly finishes.
The beneficial effects of the present invention are:
Shell mechanism disclosed in this invention, for upper and lower end cap in addition to connecting with shell, both ends are also respectively connected with protective cover and water conservancy diversion
Cover is used to water conservancy diversion and protection probe and watertight part, and protective cover is identical with the structure of pod, and side wall has notch, and notch
The size of opening is sufficient to accommodate the finger of adult male, on the one hand symmetrical above and below in this way, keeps shell mechanism more beautiful, another party
Face makes protective cover and pod plays the role of handle, easy to carry.
It will appear marine organisms attachment issue under the detection environment of ocean, to influence the measurement accuracy and use of probe
Service life, shell mechanism disclosed in this invention have filter screen stand, with filtration gauze covering filter screen stand open end and
It can play the role of filtering marine organisms after water conservancy diversion circular hole, ensure that the measurement accuracy of probe.It was fixed with rubber ring rubber band
The fixed effect of filter gauze is fabulous and operating process is simple, and filtration gauze is only needed to change when needing to be updated maintenance,
It produces low with maintenance cost.Pod is set outside filter screen stand, makes shell mechanism more under the premise of guaranteeing diversion effect
For beauty.
Shell mechanism disclosed in this invention, circuit fixed plate are overcome with upper end cover by being embedded to the fixed form of copper post
The softer deficiency of plastic material ensure that circuit is solid under the premise of not changing material and low cost in a simple manner
The fixing intensity of fixed board；Circle notch type spiral shell in circuit fixed plate and the design and L-type component of upper end cover is connected using L-type component
The design of nail hole keeps the process of shell mechanism simpler, and installation process is also more flexible, and does not influence it and fix by force
Degree.
Protective ring via hole in presently disclosed shell mechanism in circuit fixed plate, on the one hand can advise route
It is whole, also route can easily be attached and be checked while avoiding short circuit；On the other hand route can be protected,
It avoids route from wearing in use, influences measurement accuracy.
Design and circuit fixed plate of the lower cover for each detection probe installation interface in presently disclosed shell mechanism
There is versatility for the design of copper post fixation hole, can freely replace the sensor detection probe of different parameters and its correspond to electricity
Road plate makes shell mechanism have high reusability.
Shell mechanism disclosed in this invention, whole in addition to circuit fixed plate material is using stainless steel, remaining is all made of POM
Plastic processing, have antirust, anticorrosion, advantage at low cost, easy to process, then using stainless steel material processing circuit fixed plate
It can guarantee installation strength.Shell is processed using profile, convenient for the specification of shell is adjusted flexibly as needed.
Assembly method disclosed in this invention finishes assembly by grease of silicone fluid and sealing O circle with the use of watertight is carried out
Shell mechanism has good watertightness.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of shell mechanism disclosed in the embodiment of the present invention 1；
Fig. 2 is the structural schematic diagram of shell in shell mechanism disclosed in the embodiment of the present invention 1；
Fig. 3 is the structural schematic diagram of upper end cover in shell mechanism disclosed in the embodiment of the present invention 1；
Fig. 4 is the structural schematic diagram of circuit fixed plate in shell mechanism disclosed in the embodiment of the present invention 1；
Fig. 5 is the structural schematic diagram of protective cover in shell mechanism disclosed in the embodiment of the present invention 1；
Fig. 6 is the overlooking structure diagram of lower cover in shell mechanism disclosed in the embodiment of the present invention 1；
Fig. 7 is the present invention looks up structural representation of lower cover in shell mechanism disclosed in the embodiment of the present invention 1；
Fig. 8 is the structural schematic diagram of lower cover in shell mechanism disclosed in the embodiment of the present invention 1；
Fig. 9 is the structural schematic diagram of connector in shell mechanism disclosed in the embodiment of the present invention 1；
Figure 10 is the structural schematic diagram of filter screen stand in shell mechanism disclosed in the embodiment of the present invention 1；
Figure 11 is the structural schematic diagram of pod in shell mechanism disclosed in the embodiment of the present invention 1.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, right below in conjunction with drawings and examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Embodiment 1, as shown in Figure 1, present embodiment discloses a kind of multi-parameter water quality detection device shell mechanism, such as Fig. 2
It is shown, the hollow cylindrical shell 1 of screw interface 31 is equipped with including both ends, as shown in figure 3, being arranged on the upper end cover 3 of shell
Screw interface 13 and for connecting the hickey 16 of watertight part leads between the screw interface of shell and the screw interface of upper end cover
It crosses screw to be connected, be additionally located at the intracorporal part setting copper post buried via hole 15 of shell in upper end cover and place the sealing of sealing O circle
The intracorporal circuit fixed plate 17 of shell is fixed on upper end cover, in upper end cover position by slot 18 by the copper post in insertion copper post buried via hole
Hickey 14 is set in the part outside shell, as shown in figure 5, the protective cover 2 with notch passes through the hickey and upper end
Lid is connected, and as shown in figs 6-8, screw interface 19 and the flange for fixed test probe is arranged on the lower cover 6 of shell
Disk interface 36 and hickey 21 are connected between the screw interface of shell and the screw interface of lower cover by screw, furthermore
Also it is located at the seal groove 20 that the intracorporal part setting of shell is used to place sealing O circle in lower cover, is located at outside shell in lower cover
Part setting hickey 33, as shown in figure 9, the side of connector 41 is connected by the hickey with lower cover, connection
The other side setting internal thread interface 24 and external screw joint 23 of part, as shown in Figure 10, the filter screen stand 7 with water conservancy diversion circular hole 27
It is connected by its hickey 29 with the internal thread interface of connector, fovea superior circle 26 is respectively set at the both ends of filter screen stand
It is recessed in per pass across filtration gauze after the open end of filtration gauze covering filter screen stand and water conservancy diversion circular hole with recessed circle 42
A rubber ring rubber band is arranged on circle, as shown in figure 11, the pod 8 with notch passes through its hickey and connector
External screw joint is connected.
In the present embodiment, pass through 316L spiral shell between the screw interface of shell and the screw interface of upper end cover and lower cover
Nail is connected.
As shown in figure 4, the shield of copper post fixation hole 10 and fixed route in circuit fixed plate 17 equipped with fixing circuit board
Coil via hole 9, the protective ring via hole can carry out regular and protection to circuit connection route.It is additionally close in circuit fixed plate
L-type component 32 is installed in one end two sides of upper end cover respectively, and L-type component is fixed in circuit fixed plate by screw, passes through L-type structure
The copper post of part is embedded in the copper post buried via hole of upper end cover with epoxide-resin glue, so that circuit fixed plate is fixed on upper end cover.
Circuit board includes main control board and each detection cell circuit plate, and copper post fixation hole every 6 are fixed one piece for one group
Circuit board, the quantity of protective ring via hole are 2 groups, and the quantity of L-type component is 4, respectively install 2 in the two sides of circuit fixed plate.
The quantity of ring flange interface is 2, is respectively intended to installation pressure detecting probe and temperature measuring probe；Hickey
Quantity be 3, for fixing remaining parameter detecting probe, due to the mounting means of conductivity detection probe from inside to outside, need
Secondary excision body 35 is set on the hickey of installation conductivity detection probe.
The quantity of fovea superior circle is 2, and the quantity of recessed circle is 1.
Shell and its upper and lower end cap are all made of POM plastic processing, and circuit fixed plate material uses stainless steel.
The present embodiment also discloses a kind of assembly method, for above-mentioned multi-parameter water quality detection device shell mechanism, packet
Include following steps:
(1) circuit board is individually fixed in the copper post fixation hole in circuit fixed plate with copper post, so that circuit board is fixed on
In circuit fixed plate, line related is fixed to protective ring via hole, so as to using protective ring via hole to line related carry out it is regular,
Protection；
(2) each detection probe is fitted into the ring flange interface and hickey of lower cover, watertight part is connected by hickey
It is connected to upper end cover, is electrically connected between each detection probe and circuit board by conducting wire；
(3) L-type component is screwed in circuit fixed plate, the copper post for passing through L-type component is embedded to epoxide-resin glue
In the copper post buried via hole of upper end cover, so that circuit fixed plate is fixed on upper end cover, and the fixing intensity of circuit fixed plate is improved,
After installation sealing O is enclosed and smeared grease of silicone fluid in the seal groove of upper end cover, upper end cover is fixedly connected with shell with screw, then will
Protective cover is installed by hickey to upper end cover；
(4) after installation sealing O is enclosed and smeared grease of silicone fluid in the seal groove of lower cover, lower cover and shell are fixed into company with screw
It connects, then connector is installed by hickey to lower cover；
(5) filter screen stand is installed on the internal thread interface of connector by its hickey, was covered with filtration gauze
Behind the open end of filter screen bracket and water conservancy diversion circular hole, a rubber is arranged on the recessed circle of per pass of filter screen stand across filtration gauze
Cushion rubber rubber band so that by filtration gauze banding, pod is installed on the external screw joint of connector by its hickey,
Pod can play the role of detection probe on water conservancy diversion and protection lower cover.Assembly finishes.
Alternatively, in step (1), the conducting wire that circuit board is connected to detection probe is left to one
Determine surplus and access connector connector, subsequent installation is facilitated with this；In step (2), each detection probe is connected to circuit board
Conducting wire be left to certain surplus and be followed by connector receptable, subsequent installation is facilitated with this；In step (4), first connector is connect
Head is connected to connector receptable, then is fixedly connected with lower cover with shell with screw.
Claims (8)
1. a kind of multi-parameter water quality detection device shell mechanism, it is characterised in that: be equipped with the open circles of screw interface including both ends
Cylindrical shell, is arranged screw interface on the upper end cover of shell and for connecting the hickey of watertight part, the screw of shell is connect
It is connected between mouth and the screw interface of upper end cover by screw, is additionally located at the intracorporal part setting copper post of shell in upper end cover
The intracorporal circuit fixed plate of shell, is fixed on by buried via hole and the seal groove for placing sealing O circle by the copper post in insertion copper post buried via hole
On upper end cover, it is located at the setting of the part outside shell hickey in upper end cover, the protective cover with notch passes through the hickey
It is connected with upper end cover, screw interface and ring flange interface and spiral shell for fixed test probe is set on the lower cover of shell
Line interface is connected by screw between the screw interface of shell and the screw interface of lower cover, is additionally located in lower cover
The intracorporal part setting of shell is used to place the seal groove of sealing O circle, is located at the setting of the part outside shell hickey in lower cover,
The side of connector is connected by the hickey with lower cover, the other side setting internal thread interface and external screw thread of connector
Interface, the filter screen stand with water conservancy diversion circular hole is connected by its hickey with the internal thread interface of connector, in filter screen
Fovea superior circle and recessed circle is respectively set in the both ends of bracket, open end and water conservancy diversion circular hole with filtration gauze covering filter screen stand
Afterwards, a rubber ring rubber band is arranged on the recessed circle of per pass across filtration gauze, the pod with notch is connect by its screw thread
Mouth is connected with the external screw joint of connector.
2. multi-parameter water quality detection device shell mechanism according to claim 1, it is characterised in that: the screw interface of shell
It is connected by 316L screw between upper end cover and the screw interface of lower cover.
3. multi-parameter water quality detection device shell mechanism according to claim 1, it is characterised in that: in circuit fixed plate
The protective ring via hole of copper post fixation hole and fixed route equipped with fixing circuit board, additionally in circuit fixed plate close to upper end cover
One end two sides L-type component is installed respectively, across L-type component copper post insertion upper end cover copper post buried via hole in, thus by circuit
Fixed plate is fixed on upper end cover.
4. multi-parameter water quality detection device shell mechanism according to claim 3, it is characterised in that: circuit board includes master control
Circuit board and each detection cell circuit plate, copper post fixation hole every 6 are fixed one piece of circuit board, the quantity of protective ring via hole for one group
It is 2 groups, the quantity of L-type component is 4, respectively installs 2 in the two sides of circuit fixed plate.
5. multi-parameter water quality detection device shell mechanism according to claim 1, it is characterised in that: the number of ring flange interface
Amount is 2, is respectively intended to installation pressure detecting probe and temperature measuring probe；The quantity of hickey is 3, in installation conductance
The hickey of rate detection probe is equipped with secondary excision body.
6. multi-parameter water quality detection device shell mechanism according to claim 1, it is characterised in that: the quantity of fovea superior circle is
2, the quantity of recessed circle is 1.
7. multi-parameter water quality detection device shell mechanism according to claim 1, it is characterised in that: shell and its upper and lower side
Lid is all made of POM plastic processing, and circuit fixed plate material uses stainless steel.
8. a kind of assembly method is used for multi-parameter water quality detection device shell mechanism as claimed in claim 3, which is characterized in that
Include the following steps:
(1) circuit board is individually fixed in the copper post fixation hole in circuit fixed plate with copper post, so that circuit board is fixed on
In circuit fixed plate, line related is fixed to protective ring via hole；
(2) each detection probe is fitted into the ring flange interface and hickey of lower cover, watertight part is connected by hickey
It is connected to upper end cover, is connected between each detection probe and circuit board by conducting wire；
(3) L-type component is screwed in circuit fixed plate, the copper post for passing through L-type component is embedded to epoxide-resin glue
In the copper post buried via hole of upper end cover, to circuit fixed plate is fixed on upper end cover, the installation sealing O in the seal groove of upper end cover
After enclosing and smearing grease of silicone fluid, upper end cover is fixedly connected with screw with shell, then protective cover is installed by hickey supreme
On end cap；
(4) after installation sealing O is enclosed and smeared grease of silicone fluid in the seal groove of lower cover, lower cover and shell are fixed into company with screw
It connects, then connector is installed by hickey to lower cover；
(5) filter screen stand is installed on the internal thread interface of connector by its hickey, was covered with filtration gauze
Behind the open end of filter screen bracket and water conservancy diversion circular hole, a rubber is arranged on the recessed circle of per pass of filter screen stand across filtration gauze
Cushion rubber rubber band so that by filtration gauze banding, pod is installed on the external screw joint of connector by its hickey,
Assembly finishes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910413973.0A CN110133057B (en) | 2019-05-17 | 2019-05-17 | Multi-parameter water quality detection equipment shell structure and assembling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910413973.0A CN110133057B (en) | 2019-05-17 | 2019-05-17 | Multi-parameter water quality detection equipment shell structure and assembling method thereof |
Publications (2)
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| CN110702151A (en) * | 2019-10-23 | 2020-01-17 | 杭州电子科技大学 | Probe protection rod and assembly method thereof |
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| CN110133057B (en) | 2021-06-04 |
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