CN212180708U - Column chamber cooling device of gas chromatograph - Google Patents
Column chamber cooling device of gas chromatograph Download PDFInfo
- Publication number
- CN212180708U CN212180708U CN202020748903.9U CN202020748903U CN212180708U CN 212180708 U CN212180708 U CN 212180708U CN 202020748903 U CN202020748903 U CN 202020748903U CN 212180708 U CN212180708 U CN 212180708U
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- Prior art keywords
- gas chromatograph
- column chamber
- holes
- wall
- cooling device
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- 238000001816 cooling Methods 0.000 title claims abstract description 18
- 230000017525 heat dissipation Effects 0.000 claims abstract description 15
- 238000007664 blowing Methods 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 8
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims 4
- 238000003780 insertion Methods 0.000 claims 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 33
- 230000005526 G1 to G0 transition Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000009835 boiling Methods 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model belongs to the field of gas chromatograph, in particular to a cooling device for a column chamber of a gas chromatograph, which mainly adopts a fan arranged in the column chamber aiming at the cooling mechanism of the existing column chamber of the gas chromatograph, the fan can generate hot air to flow into the column chamber when in work, the cooling effect is not good, electronic products are easy to be damaged by heating, and the service life of the gas chromatograph is shortened, the following proposal is provided, which comprises the gas chromatograph, the gas chromatograph is provided with the column chamber, the top of the gas chromatograph is fixedly provided with a heat dissipation block, the bottom of the heat dissipation block is provided with a rectangular groove, the top of the rectangular groove is provided with a plurality of round holes which are arranged in a straight line, the top of the rectangular groove is provided with a plurality of L-shaped holes which are arranged in a straight line, the heat generated by the working fan of the utility model can not remain in the column chamber, so that the inside of the column chamber is always, the service life of the gas chromatograph is prolonged.
Description
Technical Field
The utility model relates to a gas chromatograph technical field especially relates to a gas chromatograph column room heat sink.
Background
The gas chromatograph is a chromatographic analysis device using gas as a mobile phase. The principle is mainly to realize the separation of the mixture by utilizing the differences of the boiling point, the polarity and the adsorption property of the substances. After being gasified in the gasification chamber, the sample to be analyzed is carried into the chromatographic column by inert gas (i.e. carrier gas, also called mobile phase), the column contains liquid or solid stationary phase, and each component in the sample tends to form distribution or adsorption equilibrium between the mobile phase and the stationary phase.
The cooling mechanism majority of current gas chromatograph column room adopts and installs the fan in the inside of column room, and the fan can produce the inside of steam flow to column room at the during operation, and the effect of cooling is not good, and the situation of being heated the damage appears easily in the electronic product, has shortened gas chromatograph's life, so we have proposed a gas chromatograph column room heat sink for solve the above-mentioned problem that proposes.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the cooling mechanism majority that has gas chromatograph column room among the prior art and adopting the inside of installing the fan at the column room, the fan can produce the inside of steam flow to column room at the during operation, and the effect of cooling is not good, and the situation of being heated the damage appears easily in the electronic product, has shortened gas chromatograph's life's shortcoming, and the gas chromatograph column room heat sink that proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a column chamber cooling device of a gas chromatograph comprises the gas chromatograph, wherein a column chamber is arranged on the gas chromatograph, a heat dissipation block is fixedly arranged at the top of the gas chromatograph, a rectangular groove is formed in the bottom of the heat dissipation block, a plurality of round holes which are linearly arranged are formed in the top of the rectangular groove, a plurality of L-shaped holes which are linearly arranged are formed in the top of the rectangular groove, the L-shaped holes are located on one side of the round holes, a box body with an opening formed in the top is fixedly arranged at the top of the heat dissipation block, a box cover is hinged to the top of the box body, two blowing assemblies are fixedly arranged on the inner wall of the bottom of the box body, the bottom of the two blowing assemblies are communicated with a same blowpipe in a sealing manner, a placing groove is formed in the top of the gas chromatograph, and the blowpipe is located in the placing groove, the top of the branch pipe penetrates through the inner wall of the top of the placing groove and is communicated with the interior of the column chamber in a sealing mode.
Preferably, the top inner wall of the rectangular groove is fixedly provided with a radiating fin which is positioned under the plurality of L-shaped holes, the bottom of the radiating fin is fixedly provided with a metal heat conducting fin, the top inner wall of the column chamber is provided with convection holes, and the convection holes are positioned under the metal heat conducting fin.
Preferably, the blowing assembly comprises an inclined channel and a vertical channel which are fixedly mounted on the inner wall of the bottom of the box body, fans are arranged in the inclined channel and the vertical channel, and the bottoms of the inclined channel and the vertical channel respectively penetrate through the inner wall of the bottom of the box body and the top of the heat dissipation block and respectively extend to the inside of the placing groove.
As preferred, two through-holes that the symmetry set up are seted up at the top of case lid, and the equal fixed mounting in inside of two through-holes has the safety cover, and two safety covers are located oblique passageway respectively and erect the passageway directly over, one side of case lid is rotated and is installed the fastener, and one side of fastener has seted up the jack, one side fixed mounting of box has the inserted block, and one side of inserted block runs through the jack and extends to one side of fastener.
Preferably, a plurality of mounting holes which are linearly arranged are formed in the inner portion of the bottom of the column chamber, chalk at the tops of the branch pipes penetrates through the mounting holes and is in sealing fit with the inner wall of the bottom of the column chamber, and the mounting holes and the round holes are located on the same vertical plane.
A gas chromatograph column room heat sink, remedied prior art's not enough, two fans set up respectively in the outside of the inside column room of box, when the fan was bloied and is dispelled the heat, can accelerate the convection velocity in column room inside air and the atmosphere on the one hand, on the other hand, the heat that the fan during operation produced can not remain the inside in column room, make the inside of column room remain lower problem throughout, prolonged gas chromatograph's life.
Drawings
Fig. 1 is a schematic view of a partial structure of the present invention;
fig. 2 is a schematic structural diagram of a gas chromatograph according to the present invention;
fig. 3 is an enlarged schematic view of a portion a of fig. 2 according to the present invention.
In the figure: 1 gas chromatograph, 2 column chambers, 3 radiating blocks, 4 rectangular grooves, 5L-shaped holes, 6 radiating fins, 7 metal heat conducting fins, 8 round holes, 9 convection holes, 10 box bodies, 11 box covers, 12 inclined channels, 13 vertical channels, 14 fans, 15 blowpipes, 16 branch pipes, 17 protective covers, 18 fasteners, 19 insert blocks and 20 jacks.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Example one
Referring to fig. 1-3, a column chamber cooling device for a gas chromatograph comprises a gas chromatograph 1, a column chamber 2 is arranged on the gas chromatograph 1, a heat dissipation block 3 is fixedly arranged at the top of the gas chromatograph 1, a rectangular groove 4 is arranged at the bottom of the heat dissipation block 3, a heat dissipation sheet 6 is fixedly arranged on the inner wall of the top of the rectangular groove 4, the heat dissipation sheet 6 is positioned under a plurality of L-shaped holes 5, a metal heat conduction sheet 7 is fixedly arranged at the bottom of the heat dissipation sheet 6, a convection hole 9 is arranged on the inner wall of the top of the column chamber 2, the convection hole 9 is positioned under the metal heat conduction sheet 7, a plurality of circular holes 8 arranged in a straight line are arranged at the top of the rectangular groove 4, a plurality of L-shaped holes 5 arranged in a straight line are arranged at the top of the rectangular groove 4, the L-shaped holes 5 are positioned at one side of the circular holes 8, a box, two blowing assemblies are fixedly mounted on the inner wall of the bottom of the box body 10, each blowing assembly comprises an inclined channel 12 and a vertical channel 13 which are fixedly mounted on the inner wall of the bottom of the box body 10, fans 14 are arranged in the inclined channel 12 and the vertical channel 13, the bottoms of the inclined channel 12 and the vertical channel 13 respectively penetrate through the inner wall of the bottom of the box body 10 and the top of the radiating block 3 and extend into the placing groove, the bottoms of the two blowing assemblies are hermetically communicated with a same blowing pipe 15, the top of the gas chromatograph 1 is provided with the placing groove, the blowing pipe 15 is positioned in the placing groove, the top of the blowing pipe 15 is hermetically communicated with a plurality of branched pipes 16 which are linearly arranged, the tops of the branched pipes 16 respectively penetrate through the inner wall of the top of the placing groove and are hermetically communicated with the inside of the column chamber 2, the top of the box cover 11 is provided with two through holes which are symmetrically, two safety covers 17 are located oblique passageway 12 and perpendicular passageway 13 respectively directly over, one side of case lid 11 is rotated and is installed fastener 18, and one side of fastener 18 has seted up jack 20, one side fixed mounting of box 10 has inserted block 19, and one side of inserted block 19 runs through jack 20 and extends to one side of fastener 18, set up a plurality of mounting holes that are the straight line and arrange on the bottom of column chamber 2 is inside, the top chalk of a plurality of bleeder 16 run through a plurality of mounting holes and with the sealed laminating of column chamber 2's bottom inner wall, a plurality of mounting holes and a plurality of round hole 8 are located same vertical plane.
In actual operation, the box 10 is installed on the top of the gas chromatograph 1 toward the position shown in fig. 2, the switch of the fan 14 is electrically connected with the start switch of the gas chromatograph 1, when the gas chromatograph 1 is started, the two fans 14 start along with the gas chromatograph 1, the two fans 14 blow the air in the blowpipe 15 to move, the air in the column chamber 2 is blown to move through the plurality of branch pipes 16, the air in the column chamber 2 is blown into the atmosphere through the plurality of convection holes 9 and the plurality of round holes 8, the convection speed of the air and the atmosphere in the column chamber 2 is accelerated, a part of heat in the column chamber 2 flows into the atmosphere through the metal heat conducting fins 7, the heat radiating fins 6 and the L-shaped holes 5, the gas circulation in the column chamber 2 can be accelerated, compared with the cooling mechanism of the fan 14 in the column chamber 2, the fan 14 is placed outside the column chamber 2, the heat that 14 during operations of fan produced can not get into the inside of column chamber 2, utilizes the mode of blowing and fin 6 to the inside convection velocity of accelerating gas of column chamber 2, has promoted the efficiency of cooling in the column chamber 2 greatly, and gas chromatograph 1's electronic component can not be heated and damaged, has prolonged gas chromatograph 1's life.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. A column chamber cooling device of a gas chromatograph comprises the gas chromatograph (1) and is characterized in that a column chamber (2) is arranged on the gas chromatograph (1), a heat dissipation block (3) is fixedly arranged at the top of the gas chromatograph (1), a rectangular groove (4) is formed in the bottom of the heat dissipation block (3), a plurality of round holes (8) which are linearly arranged are formed in the top of the rectangular groove (4), a plurality of L-shaped holes (5) which are linearly arranged are formed in the top of the rectangular groove (4), the L-shaped holes (5) are located on one side of the round holes (8), a box body (10) with an opening formed in the top is fixedly arranged at the top of the heat dissipation block (3), a box cover (11) is hinged to the top of the box body (10), two blowing assemblies are fixedly arranged on the inner wall of the bottom of the box body (10), and the bottoms of the two blowing assemblies are hermetically communicated with, the gas chromatograph (1) top has been seted up the standing groove, blowpipe (15) are located the inside of standing groove, and the sealed intercommunication in top of blowpipe (15) has a plurality of bleeder pipes (16) that are the straight line and arrange, and the top of bleeder pipe (16) all runs through the top inner wall of standing groove and all is linked together with the inside seal of column chamber (2).
2. The column chamber cooling device for the gas chromatograph according to claim 1, wherein a heat sink (6) is fixedly mounted on the inner wall of the top of the rectangular groove (4), the heat sink (6) is located right below the plurality of L-shaped holes (5), a metal heat conducting fin (7) is fixedly mounted at the bottom of the heat sink (6), a convection hole (9) is formed in the inner wall of the top of the column chamber (2), and the convection hole (9) is located right below the metal heat conducting fin (7).
3. The column chamber cooling device for the gas chromatograph according to claim 1, wherein the blowing assembly comprises a slant channel (12) and a vertical channel (13) which are fixedly installed on the inner wall of the bottom of the box body (10), the insides of the slant channel (12) and the vertical channel (13) are provided with a blower (14), and the bottoms of the slant channel (12) and the vertical channel (13) respectively penetrate through the inner wall of the bottom of the box body (10) and the top of the heat dissipation block (3) and extend to the inside of the placing groove.
4. The column chamber cooling device for the gas chromatograph according to claim 1, wherein two through holes are symmetrically formed in the top of the box cover (11), protective covers (17) are fixedly mounted inside the two through holes, the two protective covers (17) are respectively located right above the inclined channel (12) and the vertical channel (13), the fastener (18) is rotatably mounted on one side of the box cover (11), the insertion hole (20) is formed in one side of the fastener (18), the insertion block (19) is fixedly mounted on one side of the box body (10), and one side of the insertion block (19) penetrates through the insertion hole (20) and extends to one side of the fastener (18).
5. The column chamber cooling device for the gas chromatograph according to claim 1, wherein a plurality of mounting holes are formed in the bottom inner portion of the column chamber (2) in a linear arrangement, top chalks of the plurality of branch pipes (16) penetrate through the plurality of mounting holes and are in sealing fit with the bottom inner wall of the column chamber (2), and the plurality of mounting holes and the plurality of round holes (8) are located on the same vertical plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020748903.9U CN212180708U (en) | 2020-05-09 | 2020-05-09 | Column chamber cooling device of gas chromatograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020748903.9U CN212180708U (en) | 2020-05-09 | 2020-05-09 | Column chamber cooling device of gas chromatograph |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212180708U true CN212180708U (en) | 2020-12-18 |
Family
ID=73774380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020748903.9U Expired - Fee Related CN212180708U (en) | 2020-05-09 | 2020-05-09 | Column chamber cooling device of gas chromatograph |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212180708U (en) |
-
2020
- 2020-05-09 CN CN202020748903.9U patent/CN212180708U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201218 |