CN202994754U - Gas measuring device - Google Patents
Gas measuring device Download PDFInfo
- Publication number
- CN202994754U CN202994754U CN 201220344667 CN201220344667U CN202994754U CN 202994754 U CN202994754 U CN 202994754U CN 201220344667 CN201220344667 CN 201220344667 CN 201220344667 U CN201220344667 U CN 201220344667U CN 202994754 U CN202994754 U CN 202994754U
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- hole
- channel
- chamber
- drying agent
- accommodation chamber
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Abstract
The utility model discloses a gas measuring device, comprising a drying agent accommodating chamber, a sensor accommodating chamber, an air inlet chamber and an air outlet chamber, which are arranged in the main body of the gas measuring device. A first channel, a second channel and a third channel, which are communicated with the sensor accommodating chamber, are respectively in the drying agent accommodating chamber, the air inlet chamber and the air outlet chamber. The gas measuring device further comprises a storage tank which is arranged throughout the first channel, the second channel and the third channel. A shaft switch is arranged in the storage tank. A first ball valve, a second ball valve and a third valve, which are respectively corresponding to the first channel, the second channel and the third channel and abut against with each other, are arranged on the shaft switch. A first through hole, a second through hole and a third through hole are respectively arranged on the ball valves, wherein the axial direction of the second through hole and the third through hole are perpendicular to that of the first through hole. The gas measuring device of the utility model has advantages of simple and compact structure, fast measuring speed and high precision.
Description
Technical field
The utility model relates to the gasmetry device, refers in particular to a kind of gas measurement device that has simultaneously measurement gas and storage sensors function.
Background technology
Gas measurement device commonly used, its function is comparatively single, only possesses the measurement function to gas, when carrying out gasmetry, first to extract the air in measuring chamber out, make the air ambient coincidence measurement requirement in measuring chamber, just can measure gas, the surveying instrument ubiquity measuring speed of this class formation is slow, the problem that measuring accuracy is low.For improving speed and the precision of measuring, some gasmetry instruments are arranged at present, a lot of relevant monitoring assemblies are set in measuring chamber, this design is comparatively complicated, cause the cost of measurement also very high, but measuring speed is still slower.
Summary of the invention
For the precision and the speed that improve gasmetry, the purpose of this utility model is to provide a kind of gas measurement device, and this measurement mechanism is not only simple in structure, compact, can also improve measuring speed and precision to gas.
In order to realize the foregoing invention purpose, gas measurement device of the present utility model has following technical scheme:
design a kind of gas measurement device, comprise being arranged at the intrinsic drying agent accommodation chamber of measurement mechanism, sensor accommodation chamber, inlet chamber and outlet chamber, the drying agent accommodation chamber, inlet chamber and outlet chamber are respectively equipped with the first passage that is communicated with the sensor accommodation chamber, second channel, third channel, also comprise one laterally through first passage, second channel, the storage tank of third channel, place an axle switch in storage tank, have on this axle switch respectively and first passage, second channel, corresponding the first spherical valve that also contacts each other of third channel, the second spherical valve, the 3rd spherical valve, be respectively arranged with the first through hole on spherical valve, the second through hole, third through-hole, wherein, the hole of the second through hole and third through-hole and the first through hole is to vertical each other.
In certain embodiments, in order to reach better sealing effectiveness, also for the ease of picking and placeing drying agent, at the drying agent accommodation chamber, gland bonnet is set, gland bonnet wherein can be for being threaded and O-ring seal realization sealing both with the drying agent accommodation chamber.
In certain embodiments, to have better sealing effectiveness in measurement mechanism in order making, to be filled with encapsulant between storage tank and axle switch gap.
In certain embodiments, axle switch one end has a limited step, and the other end has knob, is for the ease of operator conversion and accurately positioning action fast between storage and measuring position.
Adopt technique scheme, when gas is measured, by the turning axle switch, make its second through hole and second channel be in corresponding connected state, third through-hole and third channel are in corresponding connected state.Because the hole of the first through hole and the second through hole, third through-hole is an angle of 90 degrees setting to vertical each other, the first through hole and first passage are in not connected state when the time comes, and the two ends of first passage and spherical valve surface contact each other, and first passage is in closed condition; The sensor accommodation chamber is communicated with each other with inlet chamber and outlet chamber when the time comes, drying agent accommodation chamber and sensor accommodation chamber are airtight, just form a gas, measure to the sensor accommodation chamber through the gas that the inlet chamber input will check, discharge from outlet chamber through the gas of measuring.
Measure when complete, the turning axle switch, make its first through hole be in corresponding connected state with first passage again, and second channel and third channel and the second spherical valve and the 3rd spherical valve surface contact each other when the time comes, and second channel and third channel are in closed condition.Only have the drying agent accommodation chamber to be communicated with each other with the sensor accommodation chamber, inlet chamber and outlet chamber and sensor accommodation chamber are airtight, form the locker room of a sensor, drying agent can in time adsorb to fall the residual gas in the sensor accommodation chamber, guarantee test chamber inner drying environment, by the adjusting of axle switch, can realize quick conversion between measuring chamber and locker room, be conducive to improve precision and the speed of measurement.
Description of drawings
Fig. 1 is the schematic diagram of the utility model one embodiment axle switch;
Fig. 2 is the section result schematic diagram of the utility model one embodiment;
Fig. 3 is another section result schematic diagram of the utility model one embodiment.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 schematically shows the schematic diagram of the utility model axle switch 5 structures, be provided with the first spherical valve 510, the second spherical valve 520, the 3rd spherical valve 530 on axle switch 5, be respectively arranged with the first through hole 51, the second through hole 52, third through-hole 53 at the middle part of the first spherical valve 510, the second spherical valve 520, the 3rd spherical valve 530.Wherein, the second through hole 52 and third through-hole 53 are arranged on same axis its hole to consistent, and the hole of the first through hole 51 and the second through hole 52 and third through-hole 53 namely is an angle of 90 degrees to vertical each other.For the ease of operator conversion and accurately positioning action fast between storage and measuring position, have a limited step 55 at axle switch 5 one ends, the other end has knob 50.
in conjunction with Fig. 2 and shown in Figure 3, structural representation for gas measurement device 1 duty of the present utility model, comprise the drying agent accommodation chamber 2 and inlet chamber 3 and the outlet chamber 4 that are arranged at gas measurement device 1 top, drying agent accommodation chamber 2, the bottom of inlet chamber 3 and outlet chamber 4 is respectively equipped with the first passage 8 that is communicated with sensor accommodation chamber 6, second channel 9, third channel 12, wherein, also comprised one laterally through first passage 8, second channel 8, the storage tank 13 of third channel 12, storage tank 13 is embedded in an axle switch 5, have on this axle switch 5 respectively and first passage 8, second channel 9, corresponding the first spherical valve 510 that also contacts each other of third channel 12, the second spherical valve 520, the 3rd spherical valve 530, spherical valve 510, 520, be respectively arranged with the first through hole 51 on 530, the second through hole 52, third through-hole 53, wherein, the second through hole 52 and third through-hole 53 are arranged on same axis its hole to consistent, and the hole of the first through hole 51 and the second through hole 52 and third through-hole 53 namely is an angle of 90 degrees to vertical each other.Be placed with drying agent 21 in drying agent accommodation chamber 2 in addition, in order to reach better sealing effectiveness, also for the ease of picking and placeing drying agent 21, adopt a gland bonnet 22 to be threaded with drying agent accommodation chamber 2 use and both airtight of O-ring seal realization.In order to improve the leakproofness between storage tank 13 and axle switch 5, be filled with encapsulant 54 between storage tank 13 and axle switch 5 gaps.
As shown in Figure 2; When gas 10 is measured, by knob 50 turning axle switches 5, axle switch 5 is subject to limited step 55 to be stopped, the second through hole 52 is in corresponding and connected state just with second channel 9 when the time comes, and third through-hole 53 also is in corresponding and connected state just with third channel 12.Due to the first through hole 51 and the second through hole 52 and third through-hole 53 vertical setting each other, the two ends of first passage 8 and spherical valve 510 surfaces contact each other when the time comes, first passage 8 is in closed condition, the drying agent air 11 of drying agent accommodation chamber 2 can't enter in sensor accommodation chamber 6, sensor accommodation chamber 6 is communicated with inlet chamber 3 and outlet chamber 4, drying agent accommodation chamber 2 is airtight with sensor accommodation chamber 6, just form the measuring chamber of a gas 10, measure to sensor accommodation chamber 6 through inlet chamber 3 input gases 10, the gas through measuring is discharged by outlet chamber 4.
As shown in Figure 3; Measure when complete, by knob 50 turning axle switch 5 again, axle switch 5 is subject to limited step 55 to be stopped, its first through hole 51 is in corresponding and connected state just with first passage 8, second channel 9 and third channel 12 contact each other with the second spherical valve 520 and the 3rd spherical valve 530 surfaces respectively when the time comes, and second channel 9 and third channel 12 are in closed condition.Drying agent accommodation chamber 2 is communicated with sensor accommodation chamber 6, make the drying agent air 11 of drying agent accommodation chamber 2 enter in sensor accommodation chamber 6, be in air-tight state between inlet chamber 3 and outlet chamber 4 and sensor accommodation chamber 6, just form the locker room of a sensor, drying agent 21 can in time adsorb to fall the residual gas 10 in sensor accommodation chamber 6, the storage condition of a drying is provided for sensor, adjusting by axle switch 5, quick conversion be can realize between measuring chamber and locker room, precision and the speed measured improved.
Above-described is only embodiments more of the present utility model.For the person of ordinary skill of the art, under the prerequisite that does not break away from the utility model creation design, can also make some distortion and improvement, these all belong to protection category of the present utility model.
Claims (5)
1. a gas measurement device, is characterized in that, comprise and be arranged at the intrinsic drying agent accommodation chamber of measurement mechanism, the sensor accommodation chamber, inlet chamber and outlet chamber, described drying agent accommodation chamber, inlet chamber and outlet chamber are respectively equipped with the first passage that is communicated with the sensor accommodation chamber, second channel, third channel, comprise that also one laterally runs through first passage, second channel, the storage tank of third channel, place an axle switch in described storage tank, have on this axle switch respectively and first passage, second channel, corresponding the first spherical valve that also contacts each other of third channel, the second spherical valve, the 3rd spherical valve, be respectively arranged with the first through hole on described spherical valve, the second through hole, third through-hole, wherein, the hole of the second through hole and third through-hole and the first through hole is to vertical each other.
2. gas measurement device according to claim 1, is characterized in that; Described drying agent accommodation chamber is provided with gland bonnet.
3. gas measurement device according to claim 2, is characterized in that; Described gland bonnet and drying agent accommodation chamber are for being threaded and the O-ring seal sealing.
4. gas measurement device according to claim 1 and 2, is characterized in that; Be filled with encapsulant between described storage tank and axle switch gap.
5. gas measurement device according to claim 1 and 2, is characterized in that; Described axle switch one end has a limited step, and the other end has knob.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220344667 CN202994754U (en) | 2012-07-17 | 2012-07-17 | Gas measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220344667 CN202994754U (en) | 2012-07-17 | 2012-07-17 | Gas measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202994754U true CN202994754U (en) | 2013-06-12 |
Family
ID=48565924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220344667 Expired - Fee Related CN202994754U (en) | 2012-07-17 | 2012-07-17 | Gas measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202994754U (en) |
-
2012
- 2012-07-17 CN CN 201220344667 patent/CN202994754U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20210717 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |