CN204044035U - Waterproof antipollution dust concentration detection device - Google Patents
Waterproof antipollution dust concentration detection device Download PDFInfo
- Publication number
- CN204044035U CN204044035U CN201420497477.0U CN201420497477U CN204044035U CN 204044035 U CN204044035 U CN 204044035U CN 201420497477 U CN201420497477 U CN 201420497477U CN 204044035 U CN204044035 U CN 204044035U
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- upper shell
- waterproof
- display screen
- antipollution
- joint pin
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- Expired - Lifetime
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- 239000000428 dust Substances 0.000 title claims abstract description 69
- 238000001514 detection method Methods 0.000 title abstract description 9
- 239000002184 metal Substances 0.000 claims abstract description 38
- 239000000523 sample Substances 0.000 claims abstract description 32
- 238000007789 sealing Methods 0.000 claims description 24
- 238000012360 testing method Methods 0.000 claims description 15
- 239000012530 fluid Substances 0.000 claims description 9
- 239000000565 sealant Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000003068 static effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 16
- 230000009286 beneficial effect Effects 0.000 description 13
- 230000006698 induction Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 238000002356 laser light scattering Methods 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 206010035653 pneumoconiosis Diseases 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model discloses a waterproof antipollution dust concentration detection device, include: an upper shell 12, a lower shell 7 and a connecting column 8; the upper shell 12 is connected with the lower shell 7 through a connecting column 8; the lower case 7 includes: the device comprises a metal cylinder 16, an insulating cylinder 39, a metal ring probe 17 and a waterproof cylinder 18; the lower shell 7 is cylindrical, the metal cylinder 16, the insulating cylinder 39, the metal ring probe 17 and the waterproof cylinder 18 are sequentially and tightly sealed from outside to inside, and the length of the metal ring probe 17 and the length of the waterproof cylinder 18 are shorter than that of the metal cylinder 16.
Description
Technical field
The utility model relates to instrument and sensor field, particularly a kind of mining dust concentration continuous on-line detection sensor.
Background technology
Dust can cause on the one hand the generation of pneumoconiosis, and on the other hand, dust accumulation to a certain extent and kick up, may cause dust explosion, cause CR Critical consequence, so be very important to the monitoring of the dust concentration in industrial and mineral place.And be exactly the sensor of dust concentration of the continuous on-line detection device of dust concentration to the major equipment that dust detects.
The detection of dust concentration mainly adopts laser light scattering principle to realize at present, in testing process, optical sensor and laser instrument are inevitably subject to the pollution of dust, water smoke, thus the result that impact detects, produce larger deviation, even lost efficacy, therefore in actual use, maintenance is large, maintenance cost is high, particularly in process of coal mining, environmental baseline compared with severe, dust concentration is large, water smoke is large, shorter to the maintenance period of the sensor of dust concentration of laser light scattering principle, maintenance cost is higher.
Recent domestic has also occurred adopting electrostatic induction principle to carry out the dust of testing pipes, factory, but due to the difference in the process of structure, can not work under humidity, high concentrate dust environment for a long time.So, the dust concentration continuous detecting equipment of this principle wind is not also adopted at present at underground coal mine.
Utility model content
The utility model is intended at least solve the technical matters existed in prior art, especially innovatively proposes a kind of waterproof antipollution dust concentration pick-up unit.
In order to realize above-mentioned purpose of the present utility model, the utility model provides a kind of waterproof antipollution dust concentration pick-up unit, and its key is, comprising: upper shell 12, lower house 7, joint pin 8; Described upper shell 12 connects lower house 7 by joint pin 8;
Described lower house 7 comprises: metallic cylinder 16, insulating cylinder 39, metal ring probe 17, waterproof drum 18; Described lower house 7 is cylindrical, described metallic cylinder 16, insulating cylinder 39, metal ring probe 17, waterproof drum 18 tight big envelope successively from outside to inside, the described metal ring probe length of 17 and the length being shorter in length than metallic cylinder 16 of waterproof drum 18.
The beneficial effect of technique scheme is: arrange described metallic cylinder 16, insulating cylinder 39, metal ring probe 17, waterproof drum 18 tight big envelope successively from outside to inside, can ensure not easily to enter dust, reduce error during measurement.
Described waterproof antipollution dust concentration pick-up unit, preferably, described lower house 7 also comprises: bolt 15, nut 19, air intake opening sealing gasket 41, air intake opening 42, becket 43, air hole 44, air intake opening becket lock screw 45;
The external thread of described bolt 15 matches with the internal thread of nut 19, described air intake opening 42 embeds metallic cylinder 16, by becket 43, air intake opening is coated, offer air hole 44 in the middle part of described becket 43, becket 43 is fixed on insulating cylinder 39 by described air intake opening becket lock screw 45.
The beneficial effect of technique scheme is: by the setting of bolt 15, nut 19, air intake opening sealing gasket 41, air intake opening 42, becket 43, air hole 44, air intake opening becket lock screw 45, can ensure interior metal annulus probe 17, waterproof drum 18 difficult drop-off, becket 43 is more firmly durable simultaneously.
Described waterproof antipollution dust concentration pick-up unit, preferably, described upper shell 12 comprises: display screen sealing gasket 21, display screen fixed leg 22, display screen 23, display screen lock screw 24, division board gib screw 25, I shape nut the 30, a 2nd I shape nut 26, sealing gasket 27, upper shell cover plate 29, fixed leg lock-screw 32, division board 34, upper shell sealing gasket 35, testing circuit 36, hold-down nut 37;
Opening is offered in described upper shell 12 side, described opening places display screen 23, described display screen 23 offers opening surrounding around display screen sealing gasket 21 with described upper shell 12 side, display screen 23 and upper shell 12 are locked by display screen lock screw 24, described display screen fixed leg 22 is fixed on display screen 23 backboard, display screen fixed leg 22 is locked through division board 34 by fixed leg lock-screw 32, described division board 34 is fixed by display screen fixed leg 22 and division board fixed leg 25, upper shell cover plate 29 and upper shell 12 are fixed through upper shell cover plate 29 by a described I shape nut and the 2nd I shape nut, testing circuit 36 is inner at upper shell 12, tile between described testing circuit 36 and upper shell cover plate 29 upper shell sealing gasket 35, upper shell inside is entered for preventing external dust, described testing circuit 36 is fixed by a described I shape nut and the 2nd I shape nut, opening is offered at the sidewall of described upper shell 12 inner casing side, joint pin 8 is penetrated, outside described joint pin 8 part is exposed to, described joint pin 8 part penetrates the sidewall of described upper shell 12 inner casing side, the external diameter penetrating the joint pin 8 of the sidewall of described upper shell 12 inner casing side is narrower than and is exposed to outer joint pin 8, the joint pin 8 penetrating the sidewall of described upper shell 12 inner casing side arranges external thread, with the screw-internal thread fit of hold-down nut 37, upper shell 12 and joint pin 8 are fixed, described hold-down nut 37 basis rest sealing gasket 27.
The beneficial effect of technique scheme is: whole firmwares of I shape nut the 30, a 2nd I shape nut 26 fixed leg upper shell inside, display screen lock screw 24, division board gib screw 25 can more firmly fix display screen and division board.
Described waterproof antipollution dust concentration pick-up unit, preferably, also comprises: handle 1, line hook 2, line hook gib screw 10, support column 11, pilot lamp 5;
Described handle 1 is fixed on the sidewall of upper shell 12 side by two support columns 11, and by line hook gib screw 10 static line hook 12 on a support column 11, described line hook 12 is for fixed data line, and pilot lamp 5 is placed on the sidewall of upper shell 12 opposite side.
The beneficial effect of technique scheme is: make apparatus for measuring dust concentration by handle 1, line hook 2, line hook gib screw 10, support column 11, pilot lamp 5, takes conveniently, and the setting of pilot lamp is used for reporting to the police and indication information.
Described waterproof antipollution dust concentration pick-up unit, preferably, also comprises: big envelope 6;
Described big envelope 6 is sealed on lower house 7 side, pops one's head in 17, waterproof drum 18 skids off from side for preventing insulating cylinder 39 described in lower house 7, metal ring.
The beneficial effect of technique scheme is: big envelope can prevent described metallic cylinder 16, insulating cylinder 39, metal ring probe 17, waterproof drum 18 comes off from opposite side.
Described waterproof antipollution dust concentration pick-up unit, preferably, also comprises: fluid sealant 38;
Described fluid sealant 38 seals the outward flange of waterproof drum 18, for preventing liquid or dust from entering between waterproof drum 18 and metal ring probe 17, prevents from causing measuring error.
The beneficial effect of technique scheme is: arrange fluid sealant and enter between waterproof drum 18 and metal ring probe 17 to prevent liquid or dust, prevent from causing measuring error.
Described waterproof antipollution dust concentration pick-up unit, preferably, also comprises: data string holes 13;
Described data string holes 13 runs through joint pin 8, and the data line for upper shell 12 enters in lower house 7 through data string holes 13.
In sum, owing to have employed technique scheme, the beneficial effects of the utility model are:
Described metallic cylinder 16, insulating cylinder 39, metal ring probe 17, waterproof drum 18 tight big envelope successively is from outside to inside set, can ensures not easily to enter dust, during measurement, reduce error.
By the setting of bolt 15, nut 19, air intake opening sealing gasket 41, air intake opening 42, becket 43, air hole 44, air intake opening becket lock screw 45, can ensure interior metal annulus probe 17, waterproof drum 18 difficult drop-off, becket 43 is more firmly durable simultaneously.
Whole firmwares of the one I shape nut the 30, the 2nd I shape nut 26 fixed leg upper shell inside, display screen lock screw 24, division board gib screw 25 can more firmly fix display screen and division board.
Make apparatus for measuring dust concentration by handle 1, line hook 2, line hook gib screw 10, support column 11, pilot lamp 5, take conveniently, the setting of pilot lamp is used for reporting to the police and indication information.
Big envelope can prevent described metallic cylinder 16, insulating cylinder 39, metal ring probe 17, waterproof drum 18 comes off from opposite side.
Arranging fluid sealant to enter between waterproof drum 18 and metal ring probe 17 to prevent liquid or dust, preventing from causing measuring error.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the utility model waterproof antipollution dust concentration pick-up unit overall schematic;
Fig. 2 is the utility model waterproof antipollution dust concentration pick-up unit lower house schematic diagram;
Fig. 3 is the utility model waterproof antipollution dust concentration pick-up unit tangent plane schematic diagram;
Fig. 4 is the utility model waterproof antipollution dust concentration pick-up unit lower house tangent plane schematic diagram.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not being interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In description of the present utility model, unless otherwise prescribed and limit, it should be noted that, term " installation ", " being connected ", " connection " should be interpreted broadly, such as, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be directly be connected, also indirectly can be connected by intermediary, for the ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
As shown in Figure 1, the utility model provides a kind of waterproof antipollution dust concentration pick-up unit, and its key is, comprising: upper shell 12, lower house 7, joint pin 8; Described upper shell 12 connects lower house 7 by joint pin 8;
Described lower house 7 comprises: metallic cylinder 16, insulating cylinder 39, metal ring probe 17, waterproof drum 18; Described lower house 7 is cylindrical, described metallic cylinder 16, insulating cylinder 39, metal ring probe 17, waterproof drum 18 tight big envelope successively from outside to inside, the described metal ring probe length of 17 and the length being shorter in length than metallic cylinder 16 of waterproof drum 18.
The beneficial effect of technique scheme is: arrange described metallic cylinder 16, insulating cylinder 39, metal ring probe 17, waterproof drum 18 tight big envelope successively from outside to inside, can ensure not easily to enter dust, reduce error during measurement.
As shown in Figure 4, described waterproof antipollution dust concentration pick-up unit, preferably, described lower house 7 also comprises: bolt 15, nut 19, air intake opening sealing gasket 41, air intake opening 42, becket 43, air hole 44, air intake opening becket lock screw 45;
The external thread of described bolt 15 matches with the internal thread of nut 19, described air intake opening 42 embeds metallic cylinder 16, by becket 43, air intake opening is coated, offer air hole 44 in the middle part of described becket 43, becket 43 is fixed on insulating cylinder 39 by described air intake opening becket lock screw 45.
The beneficial effect of technique scheme is: by the setting of bolt 15, nut 19, air intake opening sealing gasket 41, air intake opening 42, becket 43, air hole 44, air intake opening becket lock screw 45, can ensure interior metal annulus probe 17, waterproof drum 18 difficult drop-off, becket 43 is more firmly durable simultaneously.
As shown in Figure 2, described waterproof antipollution dust concentration pick-up unit, preferably, described upper shell 12 comprises: display screen sealing gasket 21, display screen fixed leg 22, display screen 23, display screen lock screw 24, division board gib screw 25, I shape nut the 30, a 2nd I shape nut 26, sealing gasket 27, upper shell cover plate 29, fixed leg lock-screw 32, division board 34, upper shell sealing gasket 35, testing circuit 36, hold-down nut 37;
Opening is offered in described upper shell 12 side, described opening places display screen 23, described display screen 23 offers opening surrounding around display screen sealing gasket 21 with described upper shell 12 side, display screen 23 and upper shell 12 are locked by display screen lock screw 24, described display screen fixed leg 22 is fixed on display screen 23 backboard, display screen fixed leg 22 is locked through division board 34 by fixed leg lock-screw 32, described division board 34 is fixed by display screen fixed leg 22 and division board fixed leg 25, upper shell cover plate 29 and upper shell 12 are fixed through upper shell cover plate 29 by a described I shape nut and the 2nd I shape nut, testing circuit 36 is inner at upper shell 12, tile between described testing circuit 36 and upper shell cover plate 29 upper shell sealing gasket 35, upper shell inside is entered for preventing external dust, described testing circuit 36 is fixed by a described I shape nut and the 2nd I shape nut, opening is offered at the sidewall of described upper shell 12 inner casing side, joint pin 8 is penetrated, outside described joint pin 8 part is exposed to, described joint pin 8 part penetrates the sidewall of described upper shell 12 inner casing side, the external diameter penetrating the joint pin 8 of the sidewall of described upper shell 12 inner casing side is narrower than and is exposed to outer joint pin 8, the joint pin 8 penetrating the sidewall of described upper shell 12 inner casing side arranges external thread, with the screw-internal thread fit of hold-down nut 37, upper shell 12 and joint pin 8 are fixed, described hold-down nut 37 basis rest sealing gasket 27.
The beneficial effect of technique scheme is: whole firmwares of I shape nut the 30, a 2nd I shape nut 26 fixed leg upper shell inside, display screen lock screw 24, division board gib screw 25 can more firmly fix display screen and division board.
As shown in Figure 1, described waterproof antipollution dust concentration pick-up unit, preferably, also comprises: handle 1, line hook 2, line hook gib screw 10, support column 11, pilot lamp 5;
Described handle 1 is fixed on the sidewall of upper shell 12 side by two support columns 11, and by line hook gib screw 10 static line hook 12 on a support column 11, described line hook 12 is for fixed data line, and pilot lamp 5 is placed on the sidewall of upper shell 12 opposite side.
The beneficial effect of technique scheme is: make apparatus for measuring dust concentration by handle 1, line hook 2, line hook gib screw 10, support column 11, pilot lamp 5, takes conveniently, and the setting of pilot lamp is used for reporting to the police and indication information.
As shown in Figure 3, described waterproof antipollution dust concentration pick-up unit, preferably, also comprises: big envelope 6;
Described big envelope 6 is sealed on lower house 7 side, pops one's head in 17, waterproof drum 18 skids off from side for preventing insulating cylinder 39 described in lower house 7, metal ring.
The beneficial effect of technique scheme is: big envelope can prevent described metallic cylinder 16, insulating cylinder 39, metal ring probe 17, waterproof drum 18 comes off from opposite side.
Described waterproof antipollution dust concentration pick-up unit, preferably, also comprises: fluid sealant 38;
Described fluid sealant 38 seals the outward flange of waterproof drum 18, for preventing liquid or dust from entering between waterproof drum 18 and metal ring probe 17, prevents from causing measuring error.
The beneficial effect of technique scheme is: arrange fluid sealant and enter between waterproof drum 18 and metal ring probe 17 to prevent liquid or dust, prevent from causing measuring error.
Described waterproof antipollution dust concentration pick-up unit, preferably, also comprises: data string holes 13;
Described data string holes 13 runs through joint pin 8, and the data line for upper shell 12 enters in lower house 7 through data string holes 13.
The utility model object is: for above-mentioned Problems existing, based on electrostatic induction dust Cleaning Principle, a kind of brand-new induction type dust concentration detection architecture of utility model, have devised on this basis and a kind ofly can adapt to common industrial and mineral environment, can meet again the dust concentration continuous on-line detection device that colliery rugged surroundings dust concentration detects simultaneously.Thoroughly solve the shortcoming that convention dust concentration detection apparatus easily pollutes, difficulty is safeguarded, accomplish almost non-maintaining.
This structure comprises the cavity and dust sensing structure two large divisions installed as circuit.
The utility model relates generally to dust sensing arrangement:
1 this structure comprises the metal out cylinder of electromagnetic screen,
2 pop one's head in for the metal ring of dust induction of signal,
3 insulating cylinders insulated with electromagnetic screen metallic cylinder for metal ring probe,
4 for metal ring probe waterproof nonmetal waterproof drum,
5 for the formation such as direct current generator of dust suction.
Metal ring probe welding binding post, is connected with testing circuit by probe connecting line.
Change structure air channel except blower fan without any barrier, the blocking of dust can not be caused; There is waterproof drum in detection probe ring and air channel, can carry out air fluss or washing, and it is extremely convenient to safeguard.
Technical requirement
1, design by the regulation of GB3836.1-2010, GB3836.4-2010, Q/MKC1159-2014;
2, power supply: (18-24) V, electric current≤140mA;
3, enclosure material is stainless steel 304, and its barrier propterty reaches the regulation of IP54 in GB4208.
In the description of this instructions, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and aim, scope of the present utility model is by claim and equivalents thereof.
Claims (7)
1. a waterproof antipollution dust concentration pick-up unit, is characterized in that, comprising: upper shell (12), lower house (7), joint pin (8); Described upper shell (12) connects lower house (7) by joint pin (8);
Described lower house (7) comprising: metallic cylinder (16), insulating cylinder (39), metal ring probe (17), waterproof drum (18); Described lower house (7) is for cylindrical, described metallic cylinder (16), insulating cylinder (39), metal ring probe (17), waterproof drum (18) tight big envelope successively from outside to inside, the described metal ring probe length of (17) and the length being shorter in length than metallic cylinder (16) of waterproof drum (18).
2. waterproof antipollution dust concentration pick-up unit according to claim 1, it is characterized in that, described lower house (7) also comprises: bolt (15), nut (19), air intake opening sealing gasket (41), air intake opening (42), becket (43), air hole (44), air intake opening becket lock screw (45);
The external thread of described bolt (15) matches with the internal thread of nut (19), described air intake opening (42) embeds metallic cylinder (16), by becket (43), air intake opening is coated, air hole (44) is offered at described becket (43) middle part, and becket (43) is fixed on insulating cylinder (39) by described air intake opening becket lock screw (45).
3. waterproof antipollution dust concentration pick-up unit according to claim 1, it is characterized in that, described upper shell (12) comprising: display screen sealing gasket (21), display screen fixed leg (22), display screen (23), display screen lock screw (24), division board gib screw (25), one I shape nut (30), 2nd I shape nut (26), sealing gasket (27), upper shell cover plate (29), fixed leg lock-screw (32), division board (34), upper shell sealing gasket (35), testing circuit (36), hold-down nut (37),
Opening is offered in described upper shell (12) side, described opening places display screen (23), opening surrounding is offered around display screen sealing gasket (21) in described display screen (23) and described upper shell (12) side, display screen (23) and upper shell (12) are locked by display screen lock screw (24), described display screen fixed leg (22) is fixed on display screen (23) backboard, display screen fixed leg (22) is locked through division board (34) by fixed leg lock-screw (32), described division board (34) is fixed by display screen fixed leg (22) and division board fixed leg (25), upper shell cover plate (29) and upper shell (12) are fixed through upper shell cover plate (29) by a described I shape nut and the 2nd I shape nut, testing circuit (36) is inner at upper shell (12), tile between described testing circuit (36) and upper shell cover plate (29) upper shell sealing gasket (35), upper shell inside is entered for preventing external dust, described testing circuit (36) is fixed by a described I shape nut and the 2nd I shape nut, opening is offered at the sidewall of described upper shell (12) inner casing side, joint pin (8) is penetrated, outside described joint pin (8) part is exposed to, described joint pin (8) part penetrates the sidewall of described upper shell (12) inner casing side, the external diameter penetrating the joint pin (8) of the sidewall of described upper shell (12) inner casing side is narrower than and is exposed to outer joint pin (8), the joint pin (8) penetrating the sidewall of described upper shell (12) inner casing side arranges external thread, with the screw-internal thread fit of hold-down nut (37), upper shell (12) and joint pin (8) are fixed, described hold-down nut (37) basis rest sealing gasket (27).
4. waterproof antipollution dust concentration pick-up unit according to claim 1, it is characterized in that, also comprise: handle (1), line hook (2), line hook gib screw (10), support column (11), pilot lamp (5);
Described handle (1) is fixed on the sidewall of upper shell (12) side by two support columns (11), by line hook gib screw (10) static line hook (12) on a support column (11), described line hook (12) is for fixed data line, and pilot lamp (5) is placed on the sidewall of upper shell (12) opposite side.
5. waterproof antipollution dust concentration pick-up unit according to claim 1, is characterized in that, also comprise: big envelope (6);
Described big envelope (6) is sealed on lower house (7) side, and for preventing, lower house (7) described insulating cylinder (39), metal ring from popping one's head in (17), waterproof drum (18) skids off from side.
6. waterproof antipollution dust concentration pick-up unit according to claim 1, is characterized in that, also comprise: fluid sealant (38);
Described fluid sealant (38) seals the outward flange of waterproof drum (18), for preventing liquid or dust from entering between waterproof drum (18) and metal ring probe (17), prevents from causing measuring error.
7. waterproof antipollution dust concentration pick-up unit according to claim 1, is characterized in that, also comprise: data string holes (13);
Described data string holes (13) runs through joint pin (8), and the data line for upper shell (12) enters in lower house (7) through data string holes (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420497477.0U CN204044035U (en) | 2014-08-29 | 2014-08-29 | Waterproof antipollution dust concentration detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420497477.0U CN204044035U (en) | 2014-08-29 | 2014-08-29 | Waterproof antipollution dust concentration detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204044035U true CN204044035U (en) | 2014-12-24 |
Family
ID=52244686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420497477.0U Expired - Lifetime CN204044035U (en) | 2014-08-29 | 2014-08-29 | Waterproof antipollution dust concentration detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204044035U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104155223A (en) * | 2014-08-29 | 2014-11-19 | 中煤科工集团重庆研究院有限公司 | Waterproof anti-pollution dust concentration detection device |
| CN109459352A (en) * | 2018-12-13 | 2019-03-12 | 江西众安职业危害评价检测有限公司 | Household prevention type dust investigating |
-
2014
- 2014-08-29 CN CN201420497477.0U patent/CN204044035U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104155223A (en) * | 2014-08-29 | 2014-11-19 | 中煤科工集团重庆研究院有限公司 | Waterproof anti-pollution dust concentration detection device |
| CN104155223B (en) * | 2014-08-29 | 2017-02-15 | 中煤科工集团重庆研究院有限公司 | Waterproof anti-pollution dust concentration detection device |
| CN109459352A (en) * | 2018-12-13 | 2019-03-12 | 江西众安职业危害评价检测有限公司 | Household prevention type dust investigating |
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