CN209069698U - A kind of micro-wave diminishing pot with pressure-detecting device - Google Patents
A kind of micro-wave diminishing pot with pressure-detecting device Download PDFInfo
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- CN209069698U CN209069698U CN201821876951.5U CN201821876951U CN209069698U CN 209069698 U CN209069698 U CN 209069698U CN 201821876951 U CN201821876951 U CN 201821876951U CN 209069698 U CN209069698 U CN 209069698U
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Abstract
A kind of micro-wave diminishing pot with pressure-detecting device disclosed by the utility model is related to laboratory testing equipment technical field, including micro-wave digestion canister assembly, pressure sensor assembly and support frame 14；The pressure sensor assembly is mounted on the lower part of micro-wave digestion canister assembly, and support frame as described above 14 is mounted on the lower part of pressure sensor assembly；Micro-wave digestion canister assembly is to hold out against stud 1 by micro-wave digestion tank 5, micro-wave diminishing pot cover 3, micro-wave diminishing pot fixed frame 4, micro-wave diminishing pot fixed frame pedestal, micro-wave diminishing pot fixed frame crossbeam 2 and micro-wave diminishing pot to constitute；Pressure sensor assembly is made of sensing post 7, plug screw 8, pressure sensor 9 and pressure sensor fixing seat 10.Have the characteristics that structure is simple, requires lower and measurement accuracy higher the Corrosion Protection of pressure sensor, is used for laboratory testing heavy metal or other harmful substances matter.
Description
Technical field
The utility model relates to laboratory testing equipment technical field, especially a kind of microwave with pressure-detecting device disappears
Solve tank.
Background technique
Currently, laboratory during test sample, is typically necessary the sample by approrpiate wts have been weighed loaded on resolution
In tank, the strong acid, strong oxidizing property reagent such as concentrated nitric acid, perchloric acid, hydrogen peroxide are then added, are then assembled into resolution canister assembly, then
Resolution canister assembly (single or multiple) is placed on counteracting tank Support tray, after allowing the reagent in tank to impregnate a few hours, is retransferred
Into microwave eliminating device, digestion process then is carried out according to the program of setting.In digestion process, microwave eliminating device is generated micro-
Wave is applied in counteracting tank, and strong acid and strong base and sample react in addition, and the temperature in counteracting tank can be promoted constantly, so as to cause
Air pressure enhancing.When the air pressure in tank is more than certain numerical value, it just will appear dangerous situation.Thus, pressure sensor can be used
Air pressure in tank is monitored, to avoid the generation of dangerous situation.In the prior art, pressure sensor is mostly put
It sets in the inner cavity of counteracting tank, thus, structure is more complicated, and more demanding to the anticorrosive property of pressure sensor；Meanwhile
Its low measurement accuracy.
Chinese patent (number of patent application 201620937859.X) it is disclosed " micro-wave diminishing pot, including tank body and with
The cover that tank body is detachably connected, tank body outside are equipped with combined aural and visual alarm, and tank interior is equipped with replaceable bushing pipe, bushing pipe inner wall
Equipped with a circle protrusion, hand-held protrusion when bushing pipe is replaced, the upper end of bushing pipe is equipped with sealed cover, and sealed cover lower part is shelved in protrusion,
It is equipped with upper lower through-hole in the middle part of sealed cover, is threaded with explosion-proof block on cover, explosion-proof block is pressed on sealed cover, and tank interior is set
There is sensor, sensor includes the primary cell type gas sensor for detecting sour gas, temperature sensor and pressure sensor, gas
Body sensor connects the combined aural and visual alarm.
Disclosed in another Chinese patent (number of patent application 201610636715.5) " high-pressure digestion tank ", including outer tank,
Inner canister, interior cover and the outer cover being placed within outer tank, which is characterized in that outer cover is threadedly tightened to outer tank tank mouth and will
Interior cover is pressed to inner canister tank mouth, and the interior cover includes inner canister lid top wall and interior cover skirt wall, and the interior cover skirt wall is from interior
It hangs down to be threaded into sensor intubation in the bottom of cover roof.
There are also the disclosed " height based on temperature and pressure control of Chinese patent (number of patent application 201510440710.0)
Security performance microwave high pressure counteracting tank " comprising have reaction vessel, the upper surface of reaction vessel is provided with reaction end cap；It is described
Pressure protective device is provided in reaction end cap comprising has the pressure sensor that reaction cover internal is set, and by pressing
Force snesor position extends to the guide pipeline outside reaction end cap, the connection position of the pressure sensor and guide pipeline
It installs and is equipped with conducting switch；The high safety performance microwave high pressure based on temperature control with pressure control by adopting the above technical scheme
It is excessive and the damage of its occurrence of equipment is caused even to be exploded that counteracting tank can effectively avoid reaction vessel interior pressure, so that counteracting tank
Safety in utilization is obviously improved；Meanwhile counteracting tank internal-response object is under the action of pressure protective device, can avoid its because
Pressure is excessive and leads to its damage, to reduce the loss of reactant.
Summary of the invention
The technical problem to be solved by the utility model is to provide a kind of structures simply, to the anticorrosive property of pressure sensor
It can require the higher counteracting tank of lower and measurement accuracy.
To achieve the above object, technical solution adopted in the utility model be design it is a kind of with the micro- of pressure-detecting device
Wave counteracting tank, including micro-wave digestion canister assembly, pressure sensor assembly and support frame 14；The pressure sensor assembly is mounted on
The lower part of micro-wave digestion canister assembly, support frame as described above 14 are mounted on the lower part of pressure sensor assembly.
The micro-wave digestion canister assembly includes that micro-wave digestion tank 5, micro-wave diminishing pot cover 3, micro-wave diminishing pot are solid
Determine frame 4, micro-wave diminishing pot fixed frame pedestal, micro-wave diminishing pot fixed frame crossbeam 2 and micro-wave diminishing pot and holds out against stud 1；It is described micro-
Wave resolution tank 5 is mounted in micro-wave diminishing pot fixed frame 4, and micro-wave diminishing pot fixed frame pedestal, upper part are installed in its underpart
Micro-wave diminishing pot cover 3 and micro-wave diminishing pot fixed frame crossbeam 2 are successively installed, and by spinning in micro-wave diminishing pot fixed frame crossbeam
It is fixed that micro-wave diminishing pot on 2 holds out against stud 1.
Upward blind hole is provided among the lower end of the micro-wave digestion tank 5, the top surface of the blind hole is 6 at thin-walled.
The micro-wave diminishing pot fixed frame pedestal includes that micro-wave diminishing pot fixed frame outer base 11 and micro-wave diminishing pot are solid
Determine frame interior base 12, the upper and lower part among the micro-wave diminishing pot fixed frame outer base 11 is respectively provided with internal screw thread step,
The interior step spinning of upper part is fixed in the bottom of micro-wave diminishing pot fixed frame 4, the interior step spinning micro-wave diminishing pot of its underpart
The external screw thread boss on 12 top of frame interior base；The external screw thread boss of the micro-wave diminishing pot fixed frame interior base 12 resists microwave and disappears
The lower end surface of tank 5 is solved, support frame as described above 14 is mounted on the lower part of micro-wave diminishing pot fixed frame interior base 12.
The pressure sensor assembly includes sensing post 7, pressure sensor 9 and pressure sensor fixing seat 10；The pressure
The top of force snesor fixing seat 10 has edge step, is provided with step through-hole among it, the pressure sensor fixing seat 10 peace
In the interior stepped hole among 12 top screw boss of micro-wave diminishing pot fixed frame interior base；The sensing post 7 is mounted on micro-
Wave is cleared up in blind hole upward among 5 lower end of tank, and end face resists 6 at the thin-walled of 5 lower end surface of micro-wave digestion tank thereon,
Its lower end is pressed in the upper surface of pressure sensor 9.
Among 5 lower end of micro-wave digestion tank in upward blind hole, it is also equipped with the " T " shape shape in 8 section of plug screw
Sensing post 7 be installed in the through-hole among plug screw 8 from top to bottom.
Pressure sensor signal line fairlead is also radially provided in the lower part of the micro-wave diminishing pot fixed frame interior base 12
13。
The micro-wave diminishing pot with pressure-detecting device of the utility model is pressure sensor is mounted on to counteracting tank outer
Portion, thus, structure is relatively simple；Simultaneously as pressure sensor is not mounted on equipped with strongly corrosion liquid and gas
Counteracting tank inner cavity in, therefore to the Corrosion Protection of pressure sensor requirement be not very high.In addition, the detection of pressure inside the tank is
By pressure inside the tank variation, to be deformed at the thin-walled for clearing up tank lower end surface, and then pushes sensing post compressive pressure
The piezometric surface of sensor, to obtain the data of pressure change, therefore, the measurement accuracy of pressure is higher.
Detailed description of the invention
Fig. 1 is the main cross-sectional schematic diagram of the utility model.
In figure:
1 is that micro-wave diminishing pot holds out against stud, and 2 be micro-wave diminishing pot fixed frame crossbeam, and 3 be micro-wave diminishing pot cover, and 4 be micro-
Wave counteracting tank fixed frame, 5 be micro-wave digestion tank, and 6 are at thin-walled, and 7 be sensing post, and 8 be plug screw, and 9 be pressure sensor, 10
It is pressure sensor fixing seat, 11 be micro-wave diminishing pot fixed frame outer base, and 12 be micro-wave diminishing pot fixed frame interior base, and 13 are
Pressure sensor signal line fairlead, 14 be support frame, and 15 be support frame fixing screws.
Specific embodiment
Below in conjunction with drawings and examples, the utility model is further described.Following explanation is to use to enumerate
Mode, but the protection scope of the utility model should not be limited to thoses mentioned above.
The micro-wave diminishing pot with pressure-detecting device of the present embodiment is by micro-wave digestion canister assembly, pressure sensor group
Part and support frame 14 are constituted, and pressure sensor assembly is mounted on the lower part of micro-wave digestion canister assembly, and support frame 14 is mounted on pressure
The lower part of sensor module.
Micro-wave digestion canister assembly be by micro-wave digestion tank 5, micro-wave diminishing pot cover 3, micro-wave diminishing pot fixed frame 4,
Micro-wave diminishing pot fixed frame pedestal, micro-wave diminishing pot fixed frame crossbeam 2 and micro-wave diminishing pot hold out against the composition of stud 1.Pressure sensing
Device assembly is made of sensing post 7, plug screw 8, pressure sensor 9 and pressure sensor fixing seat 10.
Micro-wave diminishing pot fixed frame pedestal is by micro-wave diminishing pot fixed frame outer base 11 and micro-wave diminishing pot fixed frame
Pedestal 12 is constituted.Micro-wave diminishing pot fixed frame outer base 11 is a shorter cylindrical body, in-between upper and lower part difference
With internal screw thread step.Micro-wave diminishing pot fixed frame interior base 12 is also a shorter cylindrical body, and upper part outer cylinder has
External screw thread is also provided with radial pressure sensing among it with blind hole in upper and lower double step in the step of its underpart at blind hole
Device signal wire fairlead 13.
It is provided with upward blind hole among the lower end surface of micro-wave digestion tank 5, is provided with internal screw thread in the lower part of the blind hole, uses
The plug screw 8 of through-hole is had among spinning；In the through-hole among the plug screw 8, section is installed in T-shaped sensing post 7；It should
The tank skin of blind hole top surface is relatively thin, is arranged to 6 at thin-walled that is sensitive to pressure inside the tank, being easily deformed.Micro-wave digestion tank 5 is installed
In micro-wave diminishing pot fixed frame 4, upper part successively installs micro-wave diminishing pot cover 3 and micro-wave diminishing pot fixed frame crossbeam 2, and
It is fixed that stud 1 is held out against by micro-wave diminishing pot of the spinning on micro-wave diminishing pot fixed frame crossbeam 2.
The lower end of micro-wave diminishing pot fixed frame 4 has external screw thread, and spinning is in 11 top of micro-wave diminishing pot fixed frame outer base
Internal screw thread step in；The external screw thread spinning on 12 top of micro-wave diminishing pot fixed frame interior base is in micro-wave diminishing pot fixed frame outer bottom
In the internal screw thread step of 11 lower parts of seat.
The top of pressure sensor fixing seat 10 has edge step, is provided among it for installing pressure sensor 9
Step through-hole.Pressure sensor fixing seat 10 is mounted in the top among micro-wave diminishing pot fixed frame interior base 12 in step,
The signal wire of pressure sensor 9 passes through the radial pressure at blind hole in the lower step among micro-wave diminishing pot fixed frame interior base 12
Force sensor signals line fairlead 13 is drawn.Support frame 14 is fixed on micro-wave diminishing pot fixed frame by support frame fixing screws 15
12 bottom surface of interior base.
The upper surface of force snesor 9 periphery is compressed under plug screw 8, the upper surface of sensing post 7 resists 5 lower end of micro-wave digestion tank
6 at the thin-walled in face, the lower end surface of sensing post 7 resists the centre above pressure sensor 9.
Temperature in use process, after the sample in 5 inner cavity of micro-wave digestion tank is reacted with strong acid and strong base reagent, in tank
Degree can be promoted constantly, and reaction itself can generate portion gas in addition, thus, will lead to air pressure in tank enhances, due to micro-wave digestion
6 wall thickness is relatively thin at the thin-walled of 5 lower end surface of tank, is easy to produce deformation, and then the lower end surface of sensing post 7 is pushed to pass pressure
Intermediate application pressure above sensor 9, and pressure sensor 9 then converts electric signal transmission for suffered pressure and comes out, from
And realize the automatic detection to micro-wave digestion pressure inside the tank.
The micro-wave diminishing pot with pressure-detecting device of the utility model is used for laboratory testing heavy metal or other nocuousness
Substance.
Claims (7)
1. a kind of micro-wave diminishing pot with pressure-detecting device, including micro-wave digestion canister assembly, pressure sensor assembly and support
Frame (14)；It is characterized by: the pressure sensor assembly is mounted on the lower part of micro-wave digestion canister assembly, support frame as described above (14)
It is mounted on the lower part of pressure sensor assembly.
2. according to claim 1 with the micro-wave diminishing pot of pressure-detecting device, it is characterised in that: the micro-wave diminishing pot
Component includes that micro-wave digestion tank (5), micro-wave diminishing pot cover (3), micro-wave diminishing pot fixed frame (4), micro-wave diminishing pot are solid
Determine frame pedestal, micro-wave diminishing pot fixed frame crossbeam (2) and micro-wave diminishing pot and holds out against stud (1)；The micro-wave digestion tank (5)
It is mounted in micro-wave diminishing pot fixed frame (4), micro-wave diminishing pot fixed frame pedestal is installed in its underpart, and upper part successively installs microwave
Counteracting tank cover (3) and micro-wave diminishing pot fixed frame crossbeam (2), and by spinning on micro-wave diminishing pot fixed frame crossbeam (2)
It is fixed that micro-wave diminishing pot holds out against stud (1).
3. the micro-wave diminishing pot according to claim 1 or claim 2 with pressure-detecting device, it is characterised in that: disappear in the microwave
It solves and is provided with upward blind hole among the lower end of tank (5), the top surface of the blind hole is at thin-walled (6).
4. according to claim 3 with the micro-wave diminishing pot of pressure-detecting device, it is characterised in that: the micro-wave diminishing pot
Fixed frame pedestal includes micro-wave diminishing pot fixed frame outer base (11) and micro-wave diminishing pot fixed frame interior base (12), the microwave
The intermediate upper and lower part of counteracting tank fixed frame outer base (11) is respectively provided with internal screw thread step, and the interior step spinning of upper part exists
The bottom of micro-wave diminishing pot fixed frame (4), interior step spinning micro-wave diminishing pot fixed frame interior base (12) top of its underpart
External screw thread boss；The external screw thread boss of the micro-wave diminishing pot fixed frame interior base (12) resists micro-wave digestion tank (5)
Lower end surface, support frame as described above (14) are mounted on the lower part of micro-wave diminishing pot fixed frame interior base (12).
5. according to claim 4 with the micro-wave diminishing pot of pressure-detecting device, it is characterised in that: the pressure sensor group
Part includes sensing post (7), pressure sensor (9) and pressure sensor fixing seat (10)；The pressure sensor fixing seat (10)
Top have edge step, be provided with step through-hole among it, which is mounted on micro-wave diminishing pot
In interior stepped hole among the screw boss of fixed frame interior base (12) top；The sensing post (7) is mounted on micro-wave diminishing pot tank
Among body (5) lower end in upward blind hole, end face is resisted at the thin-walled of micro-wave digestion tank (5) lower end surface (6) thereon, under
Side pressure is in the upper surface of pressure sensor (9).
6. according to claim 5 with the micro-wave diminishing pot of pressure-detecting device, it is characterised in that: in the micro-wave diminishing pot
Among tank body (5) lower end in upward blind hole, it is also equipped with plug screw (8), the sensing post (7) of the " T " shape shape in section is from top to bottom
It is installed in the intermediate through-hole of plug screw (8).
7. according to claim 6 with the micro-wave diminishing pot of pressure-detecting device, it is characterised in that: in the micro-wave diminishing pot
The lower part of fixed frame interior base (12) is also radially provided with pressure sensor signal line fairlead (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821876951.5U CN209069698U (en) | 2018-11-15 | 2018-11-15 | A kind of micro-wave diminishing pot with pressure-detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821876951.5U CN209069698U (en) | 2018-11-15 | 2018-11-15 | A kind of micro-wave diminishing pot with pressure-detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209069698U true CN209069698U (en) | 2019-07-05 |
Family
ID=67099060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821876951.5U Active CN209069698U (en) | 2018-11-15 | 2018-11-15 | A kind of micro-wave diminishing pot with pressure-detecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209069698U (en) |
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2018
- 2018-11-15 CN CN201821876951.5U patent/CN209069698U/en active Active
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