CN114414351A - Nitrogen blowing instrument - Google Patents
Nitrogen blowing instrument Download PDFInfo
- Publication number
- CN114414351A CN114414351A CN202210036053.3A CN202210036053A CN114414351A CN 114414351 A CN114414351 A CN 114414351A CN 202210036053 A CN202210036053 A CN 202210036053A CN 114414351 A CN114414351 A CN 114414351A
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- Prior art keywords
- nitrogen
- nitrogen blowing
- gas
- gas pipeline
- support frame
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 358
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 160
- 238000007664 blowing Methods 0.000 title claims abstract description 118
- 239000007789 gas Substances 0.000 claims abstract description 77
- 229910001873 dinitrogen Inorganic materials 0.000 claims abstract description 39
- 238000010438 heat treatment Methods 0.000 claims description 19
- 238000001514 detection method Methods 0.000 claims description 17
- 230000001105 regulatory effect Effects 0.000 claims description 17
- 230000009471 action Effects 0.000 claims description 5
- 230000001276 controlling effect Effects 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 239000002699 waste material Substances 0.000 abstract description 4
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 238000004904 shortening Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/40—Concentrating samples
- G01N1/4022—Concentrating samples by thermal techniques; Phase changes
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention provides a nitrogen blowing instrument, which comprises a support frame, a nitrogen blowing needle group, a gas pipeline and a control valve, wherein the support frame is provided with a support frame; the nitrogen blowing needle groups are arranged on the supporting frame, and each nitrogen blowing needle group comprises a plurality of nitrogen blowing needles which are arranged along the vertical direction and the upper ends of which are communicated with each other; a plurality of connecting branches which can be respectively connected with each nitrogen blowing needle group are arranged at the first end of the gas pipeline, and the second end of the gas pipeline is used for being connected with a nitrogen source; the control valve is arranged on the connecting branch and used for controlling the on-off state of each connecting branch. So set up, in the use, can control corresponding control valve respectively according to the quantity and the distribution condition of sample, to the nitrogen that need not to blow out nitrogen gas blow the needle group, can avoid the nitrogen gas supply to this nitrogen gas needle group through the control valve to avoid the waste of nitrogen gas, be favorable to guaranteeing the flow of the nitrogen gas in the connecting branch road that is in the connected state, be favorable to shortening nitrogen and blow the time, raise the efficiency.
Description
Technical Field
The invention relates to the technical field of instruments and equipment, in particular to a nitrogen blowing instrument.
Background
The nitrogen blowing instrument is used for concentrating a sample by blowing nitrogen into the surface of the heated sample, has the characteristics of time saving, convenient operation, easy control and the like, and can quickly obtain an expected result.
The 96-hole nitrogen blowing instrument in the prior art is provided with 96 nitrogen blowing needles, and the 96 nitrogen blowing needles are connected with a nitrogen source through gas pipelines. However, in the working process of the 96-hole nitrogen blowing instrument, 96 nitrogen blowing needles simultaneously blow nitrogen. When the number of samples to be blown with nitrogen gas is smaller than the number of nitrogen blowing needles, nitrogen gas is blown by the nitrogen blowing needle corresponding to the sample, and at the same time, nitrogen gas is blown by the nitrogen blowing needle not corresponding to the sample. The waste of nitrogen gas is caused, and under the condition that the pressure of the total nitrogen gas is fixed, the flow rate of the nitrogen gas blown out by the nitrogen blowing needle is reduced, so that the nitrogen blowing time is increased, and the efficiency is reduced.
Disclosure of Invention
The invention provides a nitrogen blowing instrument, which is used for solving the defects.
The invention provides a nitrogen blowing instrument, which comprises a support frame, a nitrogen blowing needle group, a gas pipeline and a control valve, wherein the support frame is provided with a support frame;
the nitrogen blowing needle groups are arranged on the supporting frame, and each nitrogen blowing needle group comprises a plurality of nitrogen blowing needles which are arranged along the vertical direction and the upper ends of which are communicated with each other;
a plurality of connecting branches which can be respectively connected with each nitrogen blowing needle group are arranged at the first end of the gas pipeline, and the second end of the gas pipeline is used for being connected with a nitrogen source;
the control valve is arranged on the connecting branch and used for controlling the on-off state of each connecting branch.
The nitrogen blowing instrument further comprises a control device, and the control device is electrically connected with the control valve to control the action of the control valve.
According to the nitrogen blowing instrument provided by the invention, the supporting frame comprises:
a support frame body;
the mounting seat is connected with the support frame body in a sliding mode, the sliding direction is arranged along the vertical direction, and the nitrogen blowing needle group is arranged on the mounting seat;
and the driving device is used for driving the mounting seat to slide relative to the support frame body, and the driving device is electrically connected with the control device.
According to the nitrogen blowing instrument provided by the invention, the support frame body is provided with a position sensing element, the position sensing element is used for sensing the sliding position of the mounting seat on the support frame body, and the position sensing element is electrically connected with the control device.
According to the nitrogen blowing instrument provided by the invention, the upper end of the nitrogen blowing needle is embedded at the lower end of the mounting seat, a plurality of gas channels are arranged inside the mounting seat, the gas channels correspond to the nitrogen blowing needle groups one by one, the gas channels are communicated with the upper ends of the nitrogen blowing needles of the nitrogen blowing needle groups, and the upper end of the mounting seat is provided with pipeline interfaces which correspond to the gas channels one by one.
According to the nitrogen blowing instrument provided by the invention, the gas pipeline is provided with a first detection element for measuring the nitrogen flow in the gas pipeline and a regulating valve for regulating the nitrogen flow in the gas pipeline, and the first detection element and the regulating valve are both electrically connected with the control device.
According to the nitrogen blowing instrument provided by the invention, the gas pipeline is provided with the heating assembly for heating the nitrogen in the gas pipeline, and the heating assembly is electrically connected with the control device.
According to the nitrogen blowing instrument provided by the invention, the gas pipeline is internally provided with a second detection element, and the second detection element is used for detecting the temperature of nitrogen in the gas pipeline.
According to the nitrogen blowing instrument provided by the invention, the gas pipeline is internally provided with the filter element, and the filter element is used for filtering impurities in nitrogen in the gas pipeline.
According to the nitrogen blowing instrument provided by the invention, the control device comprises a controller and a control panel, wherein the control panel is electrically connected with the controller, and the control panel is set to be capable of displaying the running state information of the nitrogen blowing instrument and allowing a user to input instructions.
In the nitrogen blowing instrument provided by the invention, the nitrogen blowing needles are divided into a plurality of nitrogen blowing needle groups, and the nitrogen blowing needles of each nitrogen blowing needle group are communicated with each other and are connected with a nitrogen source through a connecting branch and a gas pipeline. And each connecting branch is provided with a corresponding control valve, and the on-off state of each connecting branch can be independently controlled by using a plurality of control valves, so that the nitrogen supply condition of each nitrogen blowing needle group is independently controlled. So set up, in the use, can control corresponding control valve respectively according to the quantity and the distribution condition of sample, to the nitrogen that need not to blow out nitrogen gas blow the needle group, can make corresponding connecting branch switch to the state of cutting through the control valve, avoid the nitrogen gas supply to this nitrogen gas needle group to avoid the waste of nitrogen gas. In addition, after the part of the connecting branch is cut off, the flow of nitrogen in the connecting branch in a communicated state is guaranteed, the nitrogen blowing time is shortened, and the efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a nitrogen blowing apparatus provided by the present invention;
FIG. 2 is a schematic view of a connection structure between a gas pipeline and a connecting branch provided by the present invention;
FIG. 3 is a schematic view of the installation position of the nitrogen blowing needle and the pipeline interface on the installation seat;
FIG. 4 is a schematic structural diagram of a driving device provided in the present invention;
FIG. 5 is a schematic diagram of the nitrogen blowing apparatus provided by the present invention.
Reference numerals:
1: nitrogen blowing needle; 2: a gas line; 3: connecting the branch circuits; 4: a control valve; 5: a support frame body; 6: a mounting seat; 7: a position sensing element; 8: a pipeline interface; 9: a first detection element; 10: adjusting a valve; 11: a heating assembly; 12: a second detection element; 13: a touch screen; 14: a housing; 15: a lead screw; 16: a sample holder placing table; 17: and a single chip microcomputer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The nitrogen blowing apparatus of the present invention will be described with reference to fig. 1 to 5, in which the gas line and the connecting branch are not shown in fig. 1, the thick solid line in fig. 5 indicates the gas line connection, and the thin solid line indicates the electrical connection.
As shown in fig. 1 to 5, the nitrogen blowing instrument provided by the embodiment of the invention comprises a support frame, a nitrogen blowing needle group, a gas pipeline 2 and a control valve 4. Specifically, the nitrogen blowing needle group is arranged on a support frame, and the support frame is used for supporting the nitrogen blowing needle group. The nitrogen blows the needle group and is provided with a plurality ofly, and every nitrogen blows needle group and includes a plurality of nitrogen and blows needle 1, and the axis of each nitrogen blows needle 1 and all sets up along vertical direction. The upper ends of the nitrogen blowing needles 1 in each nitrogen blowing needle group are communicated with each other.
The gas pipeline 2 is used for connecting the nitrogen blowing needle group and the nitrogen source, the second end of the gas pipeline is used for being connected with the nitrogen source, and the first end of the gas pipeline is provided with a plurality of connecting branches 3. The quantity of connecting branch 3 is unanimous with the quantity of nitrogen blowing needle group, and connecting branch 3 blows needle group one-to-one and connecting branch 3 and nitrogen blowing needle group link, and the nitrogen gas of nitrogen gas source is carried respectively to each nitrogen blowing needle group through gas pipeline 2 and each connecting branch 3.
Each connecting branch 3 is provided with the control valve 4, and the control valve 4 is used for controlling the on-off state of each connecting branch 3. The corresponding control valve 4 is arranged for each connecting branch 3, and the on-off state of each connecting branch 3 can be independently controlled by using a plurality of control valves 4, so that the nitrogen supply condition to each nitrogen blowing needle group is independently controlled.
So set up, in the use, can control corresponding control valve 4 respectively according to the quantity and the distribution condition of sample, to the nitrogen that need not to blow out nitrogen gas blow the needle group, can make corresponding connecting branch 3 switch to the truncation state through control valve 4, avoid the nitrogen gas supply to this nitrogen gas needle group to avoid the waste of nitrogen gas. In addition, after part of the connecting branch 3 is cut off, the flow of nitrogen in the connecting branch 3 in a communicated state is guaranteed, the nitrogen blowing time is shortened, and the efficiency is improved.
In a specific embodiment, 8 nitrogen blowing needle groups can be provided, each nitrogen blowing needle group comprises 12 nitrogen blowing needles 1, and correspondingly, 8 nitrogen blowing needle groups are provided for the control valve 4 and the connecting branch 3. The 12 nitrogen blow needles 1 of each nitrogen blow needle group can blow out nitrogen gas simultaneously, and the supply of nitrogen gas to each nitrogen blow needle group is controlled by the control valve 4.
The nitrogen blowing instrument in the embodiment of the invention also comprises a control device, and the control device is electrically connected with each control valve 4 so as to realize automatic control of the action of each control valve 4.
In this embodiment, the control device includes a controller and a control panel, and the control panel is electrically connected to the controller. The control panel can display the running state information of the nitrogen blowing instrument and can be used for a user to input instructions.
In a specific embodiment, the control panel may be a touch screen 13, the controller may be a single chip microcomputer 17, and the touch screen 13 is electrically connected to the single chip microcomputer 17. The operation state of the nitrogen blowing instrument, such as the state of each control valve 4, the nitrogen gas supply condition to each nitrogen blowing needle 1, and the like, can be displayed on the touch screen 13. A control program for controlling the action of the control valve 4 is preset in the singlechip 17, an instruction for a user to select or confirm can be displayed on the touch screen 13, and the user can finish the input of the instruction by clicking the position corresponding to the instruction on the touch screen 13.
The control valve 4 may be a solenoid valve.
In a specific embodiment, the control device further includes a housing 14 for accommodating the controller, the touch screen 13 is disposed on the housing 14, and the control valve 4 is disposed inside the housing 14. The gas line 2 connected to the gas inlet of the control valve 4 extends outside the housing 14 for connection to a nitrogen source. Each connecting branch 3 connected to the gas outlet of the control valve 4 extends outside the sub-housing 14 for connection with each nitrogen needle group.
The above-mentioned electric connection between the single chip 17 and the touch screen 13 and the information processing process are mature prior arts for those skilled in the art, and are not described herein again.
In the embodiment of the invention, the support frame comprises a support frame body 5, a mounting seat 6 and a driving device, wherein the mounting seat 6 is connected with the support frame body 5 in a sliding manner, and the sliding direction is arranged along the vertical direction. The driving device is used for driving the mounting seat 6 to slide relative to the support frame body 5.
The nitrogen blowing needle set is arranged on the mounting seat 6, and the mounting seat 6 can drive the nitrogen blowing needle set to lift. The support frame body 5 is provided with a sample holder placing table 16, and the sample holder placing table 16 is positioned below the mounting base 6.
Before placing the sample frame on sample frame placing table 16, need control drive arrangement to order about mount pad 6 to drive nitrogen and blow the needle group and rise, increase the lower extreme that nitrogen blows the needle group and the distance between sample frame placing table 16, make things convenient for placing of sample frame, can avoid producing the problem that the mistake bumped, damaged to sample frame or nitrogen blow needle 1 when placing the sample frame.
After the sample rack is placed on the sample rack placing table 16, the driving device is controlled to drive the mounting seat 6 to drive the nitrogen blowing needle group to descend, so that the nitrogen blowing needle 1 is close to the surface of the sample. In the nitrogen-blowing process, along with the reduction of moisture in the sample, sample surface position can descend, so, at the nitrogen-blowing in-process, can blow the height of needle group through drive arrangement to nitrogen and adjust to ensure that the lower extreme of nitrogen-blowing needle 1 keeps at optimum distance with the sample surface, be favorable to shortening nitrogen-blowing time, raise the efficiency.
The driving device is electrically connected with the control device to realize automatic control of the position adjustment of the nitrogen blowing needle group. Specifically, the driving device is electrically connected to the single chip microcomputer 17.
The driving device is a linear transmission mechanism, specifically, the driving device can be set to be a screw nut transmission mechanism driven by a motor, the screw nut transmission mechanism comprises a screw 15 and a nut, and the screw 15 is arranged along the vertical direction and is rotationally connected with the support frame body 5. The nut is in threaded fit with the lead screw 15 and is in sliding connection with the support frame body 5. Above-mentioned mount pad 6 and nut relatively fixed, the shell and the 5 relatively fixed of support frame body of motor, the output of motor is connected with the one end transmission of lead screw 15, and the motor operation can order about lead screw 15 and rotate for support frame body 5 to make the nut drive mount pad 6 and go up and down.
In this embodiment, a position sensing element 7 is disposed on the supporting frame body 5 for sensing a sliding position of the mounting seat 6 on the supporting frame body 5. The position sensing element 7 is electrically connected to the control device. The position sensing elements 7 are respectively arranged at the upper limit position and the lower limit position of the mounting seat 6, when the mounting seat 6 moves to the position sensing elements 7, the position sensing elements 7 send signals to the control device, the control device generates corresponding signals and sends the signals to the driving device, and the driving device is controlled to stop running, so that the mounting seat 6 stops moving. Therefore, the installation seat 6 can be ensured to drive the nitrogen blowing needle group to move in a proper range, and damage caused by movement transition is avoided.
In a specific embodiment, the position sensing element 7 may be a photoelectric switch electrically connected to the single chip 17.
In the embodiment of the invention, the upper end of the nitrogen blowing needle 1 is embedded at the lower end of the mounting seat 6, a plurality of gas channels are arranged in the mounting seat 6, and the number of the gas channels is consistent with that of the nitrogen blowing needle groups. The gas channels correspond to the nitrogen blowing needle groups one by one, and the gas channels are communicated with the upper ends of the nitrogen blowing needles 1 of the nitrogen blowing needle groups. The upper end of the mounting seat 6 is provided with a pipeline interface 8 for connecting the gas pipeline 2, so that the connection between the gas pipeline 2 and the nitrogen blowing needle 1 is realized. The line connection 8 communicates with the gas channel for the nitrogen gas in the gas line 2 to flow into the gas channel.
In the embodiment of the present invention, a filter element is disposed in the gas pipeline 2, and specifically, the filter element may be a filter membrane for filtering impurities in the nitrogen gas in the gas pipeline 2.
In the embodiment of the present invention, a first detecting element 9 and a regulating valve 10 are disposed on the gas pipeline 2, the first detecting element 9 is used for measuring the flow rate of nitrogen in the gas pipeline 2, and the regulating valve 10 is used for regulating the flow rate of nitrogen in the gas pipeline 2. The first detection element 9 and the regulating valve 10 are both electrically connected to the control device.
In the nitrogen blowing process, the first detection element 9 detects the flow of the nitrogen in the gas pipeline 2 and sends a signal to the control device, when the flow of the nitrogen in the gas pipeline 2 is determined to increase or decrease, the control device generates a corresponding signal and sends the signal to the regulating valve 10, and the flow of the nitrogen in the gas pipeline 2 is regulated by regulating the opening degree of the regulating valve 10, so that the stability of the flow of the nitrogen in the gas pipeline 2 is ensured.
When only part of the nitrogen gas is supplied to the nitrogen gas blowing needle set, the flow rate of the nitrogen gas in the gas pipeline 2 can be controlled within a proper range through the first detection element 9 and the regulating valve 10, and the flow rate of the nitrogen gas is prevented from being too low or too high.
Specifically, the first detecting element 9 may be a flow sensor, and the regulating valve 10 is a flow regulating valve.
In the embodiment of the invention, the heating assembly 11 is arranged on the gas pipeline 2 and used for heating the nitrogen in the gas pipeline 2, and the nitrogen blowing time can be shortened and the efficiency can be improved by increasing the temperature of the nitrogen.
The heating component 11 is electrically connected with the control device, and whether the heating component 11 is started or not can be controlled according to requirements.
In this embodiment, a second detecting element 12 is further disposed in the gas pipeline 2 for detecting the temperature of the nitrogen gas in the gas pipeline 2. The second detection element 12 is electrically connected with the control device, a nitrogen temperature value is preset in the control device, and nitrogen is heated according to the preset temperature, so that the nitrogen blowing time can be shortened, and the efficiency can be improved.
The second detecting element 12 detects the temperature of the nitrogen gas in the gas pipeline 2 and sends a signal to the control device, and when the temperature of the nitrogen gas in the gas pipeline 2 is determined to reach the preset temperature, the control device generates a corresponding signal and sends the signal to the heating assembly 11, so that the heating assembly 11 stops heating. When it is determined that the temperature of the nitrogen gas in the gas line 2 decreases, the control device generates a corresponding signal, which is sent to the heating assembly 11, causing the heating assembly 11 to start heating. Thereby ensuring the stability of the temperature of the nitrogen gas in the gas pipeline 2.
In a specific embodiment, the heating assembly 11 includes a heater, a temperature detection circuit and a temperature protection circuit. The heater may be a spiral heater for heating the nitrogen gas in the gas pipeline 2.
The temperature detection circuit is used for detecting the temperature of the heater, and the temperature protection circuit is used for controlling the power supply of the power supply to the heater. The temperature of the heater is monitored through the temperature detection circuit, and when the temperature of the heater is too high, the temperature protection circuit cuts off the power supply of the power supply to the heater to stop the heater to prevent the temperature of the heater from being too high and eliminate potential safety hazards.
It should be noted that, for those skilled in the art, the structural principles of the temperature detection circuit and the temperature protection circuit are not described herein again for the mature prior art.
The control device also has a timing function, and when the nitrogen blowing time reaches the preset time, the control device can control the action of the control valve 4 to cut off the connecting branch 3 and stop supplying nitrogen to the nitrogen blowing needle group.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A nitrogen blowing instrument is characterized by comprising a support frame, a nitrogen blowing needle group, a gas pipeline and a control valve;
the nitrogen blowing needle groups are arranged on the supporting frame, and each nitrogen blowing needle group comprises a plurality of nitrogen blowing needles which are arranged along the vertical direction and the upper ends of which are communicated with each other;
a plurality of connecting branches which can be respectively connected with each nitrogen blowing needle group are arranged at the first end of the gas pipeline, and the second end of the gas pipeline is used for being connected with a nitrogen source;
the control valve is arranged on the connecting branch and used for controlling the on-off state of each connecting branch.
2. The nitrogen blowing apparatus of claim 1, further comprising a control device electrically connected to the control valve to control the action of the control valve.
3. The nitrogen blowing apparatus of claim 2, wherein the support frame comprises:
a support frame body;
the mounting seat is connected with the support frame body in a sliding mode, the sliding direction is arranged along the vertical direction, and the nitrogen blowing needle group is arranged on the mounting seat;
and the driving device is used for driving the mounting seat to slide relative to the support frame body, and the driving device is electrically connected with the control device.
4. The nitrogen blowing instrument as claimed in claim 3, wherein a position sensing element is arranged on the supporting frame body, the position sensing element is used for sensing the sliding position of the mounting seat on the supporting frame body, and the position sensing element is electrically connected with the control device.
5. The nitrogen blowing instrument according to claim 3, wherein the upper end of the nitrogen blowing needle is embedded in the lower end of the mounting seat, a plurality of gas channels are arranged inside the mounting seat, the gas channels correspond to the nitrogen blowing needle groups one by one, the gas channels are communicated with the upper ends of the nitrogen blowing needles of the nitrogen blowing needle groups, and pipeline interfaces are arranged on the upper end of the mounting seat and correspond to the gas channels one by one.
6. The nitrogen blowing instrument according to claim 2, wherein a first detection element for measuring a flow rate of nitrogen gas in the gas pipeline and a regulating valve for regulating the flow rate of nitrogen gas in the gas pipeline are provided on the gas pipeline, and both the first detection element and the regulating valve are electrically connected to the control device.
7. The nitrogen blowing instrument according to claim 2, wherein a heating component for heating the nitrogen gas in the gas pipeline is arranged on the gas pipeline, and the heating component is electrically connected with the control device.
8. The nitrogen blowing instrument according to claim 7, wherein a second detection element is arranged in the gas pipeline and used for detecting the temperature of the nitrogen in the gas pipeline.
9. The nitrogen blowing instrument according to claim 1, wherein a filter element is arranged in the gas pipeline and is used for filtering impurities in the nitrogen in the gas pipeline.
10. The nitrogen blowing instrument of claim 2, wherein the control device comprises a controller and a control panel, the control panel is electrically connected with the controller, and the control panel is configured to display the operation state information of the nitrogen blowing instrument and provide instructions for a user to input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210036053.3A CN114414351A (en) | 2022-01-10 | 2022-01-10 | Nitrogen blowing instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210036053.3A CN114414351A (en) | 2022-01-10 | 2022-01-10 | Nitrogen blowing instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114414351A true CN114414351A (en) | 2022-04-29 |
Family
ID=81273066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210036053.3A Pending CN114414351A (en) | 2022-01-10 | 2022-01-10 | Nitrogen blowing instrument |
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| Country | Link |
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| CN (1) | CN114414351A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204255743U (en) * | 2014-12-10 | 2015-04-08 | 四川正龙机械设备制造有限公司 | The uniform Nitrogen evaporator of a kind of air feed |
| CN205749089U (en) * | 2016-05-17 | 2016-11-30 | 睿科仪器（厦门）有限公司 | A kind of Nitrogen evaporator |
| CN108680426A (en) * | 2018-05-16 | 2018-10-19 | 天津博纳艾杰尔科技有限公司 | A kind of nitrogen evaporator |
| CN110132708A (en) * | 2019-05-30 | 2019-08-16 | 中山市农产品质量监督检验所 | A kind of new type auto lifting nitrogen evaporator |
| CN209559615U (en) * | 2019-01-24 | 2019-10-29 | 上海谱芬生物科技有限公司 | A kind of nitrogen evaporator |
-
2022
- 2022-01-10 CN CN202210036053.3A patent/CN114414351A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204255743U (en) * | 2014-12-10 | 2015-04-08 | 四川正龙机械设备制造有限公司 | The uniform Nitrogen evaporator of a kind of air feed |
| CN205749089U (en) * | 2016-05-17 | 2016-11-30 | 睿科仪器（厦门）有限公司 | A kind of Nitrogen evaporator |
| CN108680426A (en) * | 2018-05-16 | 2018-10-19 | 天津博纳艾杰尔科技有限公司 | A kind of nitrogen evaporator |
| CN209559615U (en) * | 2019-01-24 | 2019-10-29 | 上海谱芬生物科技有限公司 | A kind of nitrogen evaporator |
| CN110132708A (en) * | 2019-05-30 | 2019-08-16 | 中山市农产品质量监督检验所 | A kind of new type auto lifting nitrogen evaporator |
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