CN204241463U - Underground pipe network gas monitoring apparatus - Google Patents
Underground pipe network gas monitoring apparatus Download PDFInfo
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- CN204241463U CN204241463U CN201420809091.9U CN201420809091U CN204241463U CN 204241463 U CN204241463 U CN 204241463U CN 201420809091 U CN201420809091 U CN 201420809091U CN 204241463 U CN204241463 U CN 204241463U
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Abstract
The utility model discloses a kind of underground pipe network gas monitoring apparatus, comprise casing, gas collection pump, off-gas pump, detection cavity, gas detection sensor and controller, in casing, be vertically provided with a dividing plate, casing be divided into casing and rear box before complementary connection by this dividing plate; In rear box, be also provided with a moisture trap, the inlet end of described off-gas pump is connected with a pump-line, and its outlet side is connected with a gas outlet by a reducer union; Also comprise a wireless communication module, described wireless communication module is installed in rear box, and described gas collection pump, off-gas pump, gas detection sensor and wireless communication module are all connected with controller.The utility model can more effectively detect underground pipe network gas and control, and in time gas information is sent to Surveillance center, and gas detect precision is higher.
Description
Technical field
The utility model relates to a kind of gas monitoring apparatus, particularly relates to a kind of underground pipe network gas monitoring apparatus.
Background technology
In recent years, Urban Buried Pipeline Network gas burst or personnel's intoxication accident happen occasionally, its reason is underground pipe network humid environment, relative closure, waste water, blowdown thing decompose in a large number inflammable and explosive, toxic and harmful as CH4, H2S, CO etc., this kind of accumulated gases is in the space of underground pipe network, if can not dispose by pump drainage in time, once concentration over-standard, just likely cause blast or the poisoning accident of personnel; Meanwhile, because urban pipe network is in area, Cities with Great Population, once occur that accident will bring massive losses to people's lives and properties.
At present, underground pipe network gas detect mainly still adopts manual inspection, carries out pump drainage according to patrolling and examining result.This mode, on the one hand patrol officer works heavy, can not carry out Real-Time Monitoring on the other hand to monitoring point, can not Timeliness coverage removing a hidden danger, and avoid the generation of accident, and detection efficiency is low.For addressing this problem, part manufacturer or scientific research institutions are also proposed some gas monitoring apparatus, but traditional supervising device can only be monitored gas, can not Timeliness coverage removing a hidden danger; Further, Surveillance center can not grasp the Detection Information of each supervising device in time.
In addition, existing gas monitoring apparatus is after having detected a gas, when detecting next time, all suck new gas to be detected while discharging the gas detected, like this, gas to be detected will be formed mix with to detect gas, thus affects gas-monitoring result, accuracy of detection is poor, is unfavorable for the analysis to gas.Meanwhile, the water in air also can impact the detection of gas, reduces the degree of accuracy of gas detect further.
Utility model content
For prior art above shortcomings, the purpose of this utility model is how to solve, and provides a kind of underground pipe network gas monitoring apparatus, can more effectively detect underground pipe network gas and control, and in time gas information is sent to Surveillance center, and gas detect precision is higher.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is such: a kind of underground pipe network gas monitoring apparatus, comprise casing, gas collection pump, off-gas pump, detection cavity, gas detection sensor and controller, it is characterized in that: in casing, be vertically provided with a dividing plate, casing is divided into casing and rear box before complementary connection by this dividing plate; Described gas collection pump, detection cavity and controller are all positioned at front casing, and described off-gas pump is in rear box, and wherein, gas collection pump, detection cavity and controller are installed on dividing plate; The outlet side of described detection cavity is connected with the inlet end of gas collection pump, and the outlet side of gas collection pump is connected with escape pipe, and one end of this escape pipe is connected with gas collection pump, and the other end stretches in rear box through after dividing plate, and stretches out from bottom half; Described gas detection sensor is installed in detection cavity;
A moisture trap is also provided with in rear box, this moisture trap is installed on dividing plate, the inlet end of described moisture trap is connected with a draft tube, outlet side is connected with the inlet end of detection cavity through after dividing plate by a connecting pipe, one end of described draft tube is connected with gas collection pump, and the other end stretches out from bottom half;
The inlet end of described off-gas pump is connected with a pump-line, and its outlet side is connected with a gas outlet by a reducer union; One end of described pump-line is connected with off-gas pump, and the other end stretches out from the bottom of casing; The lower end of this gas outlet is connected with reducer union, and upper end extends to casing top, and is connected with vent port;
Also comprise a wireless communication module, described wireless communication module is installed in rear box, and described gas collection pump, off-gas pump, gas detection sensor and wireless communication module are all connected with controller.
Further, be provided with a three-way solenoid valve between moisture trap and detection cavity, described three-way solenoid valve is installed with in front casing, and its inlet side is connected with the inlet end of detection cavity, and one of three-way solenoid valve goes out end and is connected with moisture trap, and another goes out end and puts sky; The control end of this three-way solenoid valve is connected with controller.
Further, on the sidewall of casing, before correspondence, casing and rear box are equipped with some air vents.
Further, be provided with a radiator fan in front casing, described radiator fan is installed on the top of dividing plate, and corresponding with the position of air vent.
Further, be also provided with a ground rod at bottom half, one end of this ground rod is connected with casing.
Further, described controller is closed in a box body be arranged on dividing plate.
Compared with prior art, the utility model tool has the following advantages:
1, structure is simple, after arranging wireless communication module, the gas information detected can be sent to Surveillance center in time, thus make monitoring efficiency higher; Meanwhile, wireless communication module and detection cavity lay respectively at the both sides of dividing plate, thus the work of the signal disturbing gas detection sensor produced when can effectively avoid wireless communication module to work, thus make detection degree of accuracy higher.
2, detected after the moisture removal in gas again by moisture trap, thus the degree of accuracy of gas detect can be improved further.
3, off-gas pump can be controlled in time after detecting hazardous gas is discharged, thus effectively Accident prevention occurs.
4, after one-time detection completes, three-way solenoid valve is controlled by controller, make the inlet side of three-way solenoid valve and put dead end and be connected, then open gas collection pump, like this, gas collection pump by detection cavity with while detecting gas discharge, air is passed in detection cavity, thus realize the on-line cleaning of detection cavity, impact detecting next time to avoid detecting gas, thus effectively can improve the precision of gas detect.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of front casing.
In figure: 1-casing, 2-gas collection pump, 3-off-gas pump, 4-detection cavity, 5-gas detection sensor, 6-controller, 7-dividing plate, 8-moisture trap, 9-reducer union, 10-gas outlet, 11-vent port, 12-three-way solenoid valve, 13-radiator fan.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Embodiment: see Fig. 1, a kind of underground pipe network gas monitoring apparatus, comprises casing 1, gas collection pump 2, off-gas pump 3, detection cavity 4, gas detection sensor 5 and controller 6.In casing 1, be vertically provided with a dividing plate 7, casing 1 be divided into casing and rear box before complementary connection by this dividing plate 7; Before corresponding on the sidewall of casing 1, casing and rear box are equipped with some air vents, so that the heat radiation of the circulation of air and casing 1 inside.In front casing, be provided with a radiator fan 13, described radiator fan 13 is installed on the top of dividing plate 7, and corresponding with the position of air vent, makes the radiating effect of front casing better.Described gas collection pump 2, detection cavity 4 and controller 6 are all positioned at front casing, and described off-gas pump 3 is in rear box, and wherein, gas collection pump 2, detection cavity 4 and controller 6 are installed on dividing plate 7; Described controller 6 is closed in a box body be arranged on dividing plate 7, thus protection controller 6 better, avoid the damages such as being corroded property of controller 6 gas.The outlet side of described detection cavity 4 is connected with the inlet end of gas collection pump 2, and the outlet side of gas collection pump 2 is connected with escape pipe, and one end of this escape pipe is connected with gas collection pump 2, and the other end stretches in rear box through after dividing plate 7, and stretches out bottom casing 1.Described gas detection sensor 5 is installed in detection cavity 4; Described gas detection sensor 5 is one or more in CH4 sensor, H2S sensor, CO sensor, SO2 sensor, O2 sensor, NH3 sensor and oil gas sensor, thus more fully detect the composition of gas, with the danger of analytical gas better.
A moisture trap 8 is also provided with in rear box, this moisture trap 8 is installed on dividing plate 7, the inlet end of described moisture trap 8 is connected with a draft tube, outlet side is connected with the inlet end of detection cavity 4 through after dividing plate 7 by a connecting pipe, one end of described draft tube is connected with gas collection pump 2, and the other end stretches out bottom casing 1.A three-way solenoid valve 12 is provided with between moisture trap 8 and detection cavity 4, described three-way solenoid valve 12 is installed with in front casing, its inlet side is connected with the inlet end of detection cavity 4, and one of three-way solenoid valve 12 goes out end and is connected with moisture trap 8, and another goes out end and puts sky (being namely connected with air); The control end of this three-way solenoid valve 12 is connected with controller 6; Like this, after one-time detection completes, three-way solenoid valve 12 is controlled by controller 6, make the inlet side of three-way solenoid valve 12 and put dead end and be connected, then open gas collection pump 2, gas collection pump 2 by detection cavity 4 with while detecting gas discharge, air is passed in detection cavity 4, thus realize the on-line cleaning of detection cavity 4, impact detecting next time to avoid detecting gas, thus effectively can improve the precision of gas detect.
The inlet end of described off-gas pump 3 is connected with a pump-line, and its outlet side is connected with a gas outlet 10 by a reducer union 9; One end of described pump-line is connected with off-gas pump 3, and the other end stretches out from the bottom of casing 1; The lower end of this gas outlet 10 is connected with reducer union 9, and upper end extends to casing 1 top, and is connected with vent port 11; When detecting that gas hazard degree is higher, off-gas pump 3 can be controlled in time hazardous gas is got rid of, thus effectively Accident prevention occurring.
Also comprise a wireless communication module, described wireless communication module is installed in rear box, and described gas collection pump 2, off-gas pump 3, gas detection sensor 5 and wireless communication module are all connected with controller 6.
Bottom casing 1, be also provided with a ground rod, one end of this ground rod is connected with casing 1; During use, by ground rod ground connection, thus avoid casing 1 to conduct electricity, security is higher.
During use, stretch in underground pipe network by pump-line and admission line, outlet pipe can stretch in underground pipe network as required, also can not stretch in underground pipe network; Then undertaken bleeding to carry out gas detect by controller 6 domination set air pump 2, and gas information is sent to Surveillance center by wireless communication module; When gas hazard degree is higher, controller 6 controls off-gas pump 3 and works, by outside for the gas in underground pipe network pump drainage; After one-time detection completes, three-way solenoid valve 12 is controlled by controller 6, make the inlet side of three-way solenoid valve 12 and put dead end and be connected, then gas collection pump 2 is opened, gas collection pump 2 by detection cavity 4 with detect gas discharge while, air is passed in detection cavity 4, thus realizes the on-line cleaning of detection cavity 4, impact detecting next time to avoid detecting gas, thus effectively can improve the precision of gas detect.
Finally it should be noted that, above embodiment is only in order to illustrate the technical solution of the utility model but not restriction technologies scheme, those of ordinary skill in the art is to be understood that, those are modified to the technical solution of the utility model or equivalent replacement, and do not depart from aim and the scope of the technical program, all should be encompassed in the middle of right of the present utility model.
Claims (6)
1. a underground pipe network gas monitoring apparatus, comprise casing, gas collection pump, off-gas pump, detection cavity, gas detection sensor and controller, it is characterized in that: in casing, be vertically provided with a dividing plate, casing is divided into casing and rear box before complementary connection by this dividing plate; Described gas collection pump, detection cavity and controller are all positioned at front casing, and described off-gas pump is in rear box, and wherein, gas collection pump, detection cavity and controller are installed on dividing plate; The outlet side of described detection cavity is connected with the inlet end of gas collection pump, and the outlet side of gas collection pump is connected with escape pipe, and one end of this escape pipe is connected with gas collection pump, and the other end stretches in rear box through after dividing plate, and stretches out from bottom half; Described gas detection sensor is installed in detection cavity;
A moisture trap is also provided with in rear box, this moisture trap is installed on dividing plate, the inlet end of described moisture trap is connected with a draft tube, outlet side is connected with the inlet end of detection cavity through after dividing plate by a connecting pipe, one end of described draft tube is connected with gas collection pump, and the other end stretches out from bottom half;
The inlet end of described off-gas pump is connected with a pump-line, and its outlet side is connected with a gas outlet by a reducer union; One end of described pump-line is connected with off-gas pump, and the other end stretches out from the bottom of casing; The lower end of this gas outlet is connected with reducer union, and upper end extends to casing top, and is connected with vent port;
Also comprise a wireless communication module, described wireless communication module is installed in rear box, and described gas collection pump, off-gas pump, gas detection sensor and wireless communication module are all connected with controller.
2. underground pipe network gas monitoring apparatus according to claim 1, it is characterized in that: between moisture trap and detection cavity, be provided with a three-way solenoid valve, described three-way solenoid valve is installed with in front casing, its inlet side is connected with the inlet end of detection cavity, one of three-way solenoid valve goes out end and is connected with moisture trap, and another goes out end and puts sky; The control end of this three-way solenoid valve is connected with controller.
3. underground pipe network gas monitoring apparatus according to claim 1, is characterized in that: before corresponding on the sidewall of casing, casing and rear box are equipped with some air vents.
4. underground pipe network gas monitoring apparatus according to claim 3, it is characterized in that: in front casing, be provided with a radiator fan, described radiator fan is installed on the top of dividing plate, and corresponding with the position of air vent.
5. underground pipe network gas monitoring apparatus according to claim 1, it is characterized in that: be also provided with a ground rod at bottom half, one end of this ground rod is connected with casing.
6. underground pipe network gas monitoring apparatus according to claim 1, is characterized in that: described controller is closed in a box body be arranged on dividing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420809091.9U CN204241463U (en) | 2014-12-19 | 2014-12-19 | Underground pipe network gas monitoring apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420809091.9U CN204241463U (en) | 2014-12-19 | 2014-12-19 | Underground pipe network gas monitoring apparatus |
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| Publication Number | Publication Date |
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| CN204241463U true CN204241463U (en) | 2015-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420809091.9U Active CN204241463U (en) | 2014-12-19 | 2014-12-19 | Underground pipe network gas monitoring apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105588804A (en) * | 2015-12-15 | 2016-05-18 | 重庆梅安森科技股份有限公司 | Gas monitoring device suitable for mining environment |
| CN110609122A (en) * | 2019-09-17 | 2019-12-24 | 国网山东省电力公司烟台市福山区供电公司 | Cable pit gas monitoring equipment |
-
2014
- 2014-12-19 CN CN201420809091.9U patent/CN204241463U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105588804A (en) * | 2015-12-15 | 2016-05-18 | 重庆梅安森科技股份有限公司 | Gas monitoring device suitable for mining environment |
| CN110609122A (en) * | 2019-09-17 | 2019-12-24 | 国网山东省电力公司烟台市福山区供电公司 | Cable pit gas monitoring equipment |
| CN110609122B (en) * | 2019-09-17 | 2022-04-12 | 国网山东省电力公司烟台市福山区供电公司 | Cable pit gas monitoring equipment |
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