CN210665646U - Column box for liquid chromatograph - Google Patents
Column box for liquid chromatograph Download PDFInfo
- Publication number
- CN210665646U CN210665646U CN201921320601.5U CN201921320601U CN210665646U CN 210665646 U CN210665646 U CN 210665646U CN 201921320601 U CN201921320601 U CN 201921320601U CN 210665646 U CN210665646 U CN 210665646U
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- China
- Prior art keywords
- column box
- box body
- air
- mounting plate
- heating wire
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- Expired - Fee Related
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- 239000007788 liquid Substances 0.000 title claims abstract description 14
- 238000005485 electric heating Methods 0.000 claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims description 18
- 238000007664 blowing Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 abstract description 12
- 230000008859 change Effects 0.000 abstract description 11
- 238000009423 ventilation Methods 0.000 abstract description 4
- 230000001105 regulatory effect Effects 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000013375 chromatographic separation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a column box for liquid chromatograph, the middle part of the lower surface of the column box body is provided with a bottom fixed plate, the upper surface of the bottom fixed plate is equidistantly provided with four placing grooves, the upper surface of the column box body is provided with placing holes corresponding to the placing grooves, the rear side wall of the column box body is equidistantly provided with ventilation holes, a blower base is provided with a blower, the air outlet of the blower is respectively connected with the air inlet end of an air pipe, the air outlet end of the air pipe is respectively communicated with the inside of the column box body, the inside of the column box body is provided with two electric heating wire brackets, the two ends of the electric heating wire brackets are respectively fixedly connected with the column box body, an S-shaped electric heating wire is arranged between the two electric heating wire brackets, can guarantee that the sample cell is placed steadily, guarantee the normal clear of detection, can the change of automatically regulated post incasement temperature, guarantee can not lead to the testing result inaccurate because of external environment's change when detecting.
Description
Technical Field
The utility model relates to a chromatograph technical field specifically is a column box for liquid chromatograph.
Background
The chromatograph is a device for chromatographic separation analysis, including a sample introduction system, a detection system, a recording and data processing system, a temperature control system, a column box, a mobile phase control system, etc., the modern chromatograph has the characteristics of stability, sensitivity, versatility and high automation degree, etc., and includes a gas chromatograph, a liquid chromatograph, a gel chromatograph, etc., which are widely used for chemical products, analysis of a certain content of a high molecular material, and the gel chromatograph can also measure the molecular weight and distribution of the high molecular material.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide a column box for liquid chromatograph, can the change of the interior temperature of automatically regulated column box, guarantee can not lead to the testing result inaccurate because of external environment's change when detecting, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a column box for a liquid chromatograph comprises a mounting plate, a placing unit and a blowing unit;
mounting a plate: the mounting plate is a cuboid, the four corners of the lower surface of the mounting plate are provided with supports, and the lower ends of the supports are provided with bases;
a placing unit: the placing unit comprises a bottom fixing plate, a column box body and ventilation holes, the column box body is placed on the upper surface of the mounting plate, the bottom fixing plate is arranged in the middle of the lower surface of the column box body, four placing grooves are formed in the upper surface of the bottom fixing plate at equal intervals, placing holes corresponding to the placing grooves are formed in the upper surface of the column box body, and the ventilation holes are formed in the rear side wall of the column box body at equal intervals;
a blower unit: the air blowing unit comprises air pipes, two air blowers and two air blower bases, the two air blower bases are respectively arranged at the left end and the right end of the front side of the upper surface of the mounting plate, the air blowers are respectively arranged on the air blower bases, air outlets of the air blowers are respectively connected with air inlet ends of the air pipes, air outlet ends of the air pipes are respectively communicated with the interior of the column box body, two electric heating wire supports are arranged in the column box body, two ends of each electric heating wire support are respectively fixedly connected with the column box body, and an S-shaped electric heating wire is arranged between the two electric heating wire supports;
wherein: the electric heating wire heating device is characterized by also comprising a control switch group, wherein the control switch group is arranged on the upper surface of the mounting plate, the input end of the control switch group is electrically connected with the output end of an external power supply, and the output end of the control switch group is electrically connected with the input ends of the blower and the electric heating wire;
when in use, the sample tube is placed in the column box body, the lower end of the sample tube is placed in the placing groove on the bottom fixing plate, the middle part of the sample tube is placed in the placing hole, under the action of the placing groove and the placing hole, the placing stability of the sample tube can be ensured, the normal operation of detection can be ensured, when the outside temperature is too high, the blower is turned on, the blower can blow air to the interior of the column box body, thereby accelerating the air flow in the column box body and achieving the purpose of rapid cooling, when the external temperature is too low, the blower is turned on, the blower can blow air into the column box body, the electric heating wire is turned on, the electric heating wire is electrified to start heating, thereby heat the inside air of post case body to reach rapid heating up's purpose, can the change of automatically regulated post incasement temperature, guarantee can not lead to the testing result inaccurate because of external environment's change when detecting.
Further, still include the thermometer, the lower surface of column box body is placed in to the thermometer, and the inside of column box body is placed in to the lower extreme of thermometer, can monitor the inside temperature of column box body at any time.
Further, still include the slipmat, the slipmat is four, and is the ring shape, and the slipmat is arranged in respectively and is placed downtheholely, and fixed connection between slipmat and the lateral wall of placing the hole can be used for preventing that the sample from sliding.
The lifting device comprises a mounting plate, a handle and a lifting device, wherein the mounting plate is provided with a left end and a right end, the left end and the right end of the mounting plate are respectively provided with the left end and the right end, and the handle is fixedly connected with the mounting plate and can be used for facilitating the lifting device.
Further, still including going out the fan housing, it is two to go out the fan housing, and arrange respectively in the inside lateral wall of post case body on, go out fixed connection between fan housing and the post case body, the rear end that goes out the fan housing communicates the air inlet end of tuber pipe respectively, can be used for making things convenient for the air-blower to drum the air and get into inside the post case body.
Compared with the prior art, the beneficial effects of the utility model are that: this column box for liquid chromatograph has following benefit:
1. the placing unit is arranged, and the placing groove and the placing hole can ensure that the sample tube is placed stably and the normal detection is ensured;
2. the air blower unit is further arranged, the air flow inside the column box body is accelerated through the air blower to cool, the temperature of the air inside the column box body is increased through the heating wire to heat, so that the temperature in the column box can be automatically adjusted, and the condition that the detection result is inaccurate due to the change of the external environment when the detection is carried out is guaranteed.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the internal structure of the present invention.
In the figure: the device comprises a mounting plate 1, a support 2, a base 3, a placement unit 4, a bottom fixing plate 41, a column box body 42, a ventilation hole 43, an air blowing unit 5, an air duct 51, an air blower 52, an air blower base 53, a thermometer 6, a placement hole 7, an anti-skid pad 8, a control switch group 9, a handle 10, an air outlet cover 11, an electric heating wire 12 and an electric heating wire support 13.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a column box for a liquid chromatograph comprises a mounting plate 1, a placing unit 4 and a blowing unit 5;
mounting plate 1: the mounting plate 1 is a cuboid, the four corners of the lower surface of the mounting plate 1 are provided with brackets 2, and the lower ends of the brackets 2 are provided with bases 3;
the placing unit 4: the placing unit 4 comprises a bottom fixing plate 41, a column box body 42 and vent holes 43, the column box body 42 is placed on the upper surface of the mounting plate 1, the bottom fixing plate 41 is arranged in the middle of the lower surface of the column box body 42, four placing grooves are equidistantly arranged on the upper surface of the bottom fixing plate 41, placing holes 7 corresponding to the placing grooves are arranged on the upper surface of the column box body 42, the vent holes 43 are equidistantly arranged on the rear side wall of the column box body 42, when the placing unit is used, a sample tube is placed into the column box body 42, the lower end of the sample tube is placed in the placing groove on the bottom fixing plate 41, the middle of the sample tube is placed in the placing hole 7, and under the action of the placing grooves and the placing holes 7, the sample tube can be placed stably, and normal detection;
the blower unit 5: the air blowing unit 5 comprises an air pipe 51, an air blower 52 and an air blower base 53, the number of the air blower bases 53 is two, and the two air blower bases are respectively arranged at the left end and the right end of the front side of the upper surface of the mounting plate 1, the air blower 52 is arranged on each air blower base 53, the air outlet end of each air blower 52 is respectively connected with the air inlet end of the air pipe 51, the air outlet end of each air pipe 51 is respectively communicated with the interior of the column box body 42, the interior of the column box body 42 is provided with two electric heating wire supports 13, the two ends of each electric heating wire support 13 are respectively and fixedly connected with the column box body 42, an S-shaped electric heating wire 12 is arranged between the two electric heating wire supports 13, when the external temperature is too high, the air blower 52 is turned on, the air blower 52 blows air to the interior of the column box body 42, so that the air flow in the interior of the column box, when the electric heating wire 12 is turned on, the electric heating wire 12 is electrified to start heating, so that the air in the column box body 42 is heated, the aim of quickly heating is fulfilled, the change of the temperature in the column box can be automatically adjusted, and the condition that the detection result is not accurate due to the change of the external environment during detection is ensured;
wherein: the heating wire heating device further comprises a control switch group 9, wherein the control switch group 9 is arranged on the upper surface of the mounting plate 1, the input end of the control switch group 9 is electrically connected with the output end of an external power supply, and the output end of the control switch group 9 is electrically connected with the input ends of the blower 52 and the heating wire 12.
The temperature measuring device further comprises a thermometer 6, wherein the thermometer 6 is arranged on the lower surface of the column box body 42, the lower end of the thermometer 6 is arranged in the column box body 42, and the temperature in the column box body 42 can be monitored at any time.
The anti-slip device comprises four anti-slip pads 8, the anti-slip pads 8 are all circular rings, the anti-slip pads 8 are arranged in the placing holes 7 respectively, and the anti-slip pads 8 are fixedly connected with the side walls of the placing holes 7 and can be used for preventing samples from sliding.
The lifting device comprises a mounting plate 1, and is characterized by further comprising two handles 10, wherein the two handles 10 are respectively arranged at the left end and the right end of the mounting plate 1, and the handles 10 are fixedly connected with the mounting plate 1 and can be used for facilitating the lifting device.
Wherein, still including going out the fan housing 11, it is two to go out fan housing 11, and arranges respectively in the inside lateral wall of post case body 42 on, goes out fixed connection between fan housing 11 and the post case body 42, goes out the rear end of fan housing 11 and communicates the air inlet end of tuber pipe 51 respectively, can be used for making things convenient for the air-blower to drum the air and get into inside the post case body 42.
When in use: the sample tube is placed in the column box body 42, the lower end of the sample tube is placed in the placing groove on the bottom fixing plate 41, the middle part of the sample tube is placed in the placing hole 7, under the action of the placing groove and the placing hole 7, the placing stability of the sample tube can be ensured, the normal operation of detection can be ensured, when the outside temperature is too high, the blower 52 is turned on, the blower 52 blows air to the inside of the column box body 42, thereby accelerating the air flow in the column box body 42 and achieving the purpose of rapid cooling, when the external temperature is too low, when the blower 52 is turned on, the blower 52 blows air into the trunk body 42, the heating wire 12 is turned on, the heating wire 12 is electrified to start heating, thereby heating the air in the column box body 42, achieving the purpose of rapid temperature rise, the change of temperature in the column box can be automatically adjusted, and the condition that the detection result is inaccurate due to the change of the external environment is guaranteed when the detection is carried out.
It should be noted that the blower 52 disclosed in this embodiment may be of a type VW-3/7, the heating wire 12 may be of a type Cr20Ni80, the core chip of the control switch group 9 is a PLC single chip microcomputer, specifically of a type siemens S7-200, and the control switch group 9 controls the blower 52 and the heating wire 12 to operate by a method commonly used in the prior art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a column box for liquid chromatograph which characterized in that: comprises a mounting plate (1), a placing unit (4) and a blower unit (5);
mounting plate (1): the mounting plate (1) is a cuboid, the four corners of the lower surface of the mounting plate (1) are provided with brackets (2), and the lower ends of the brackets (2) are provided with bases (3);
placing unit (4): the placing unit (4) comprises a bottom fixing plate (41), a column box body (42) and vent holes (43), the column box body (42) is placed on the upper surface of the mounting plate (1), the bottom fixing plate (41) is arranged in the middle of the lower surface of the column box body (42), four placing grooves are formed in the upper surface of the bottom fixing plate (41) at equal intervals, placing holes (7) corresponding to the placing grooves are formed in the upper surface of the column box body (42), and the vent holes (43) are formed in the rear side wall of the column box body (42) at equal intervals;
blower unit (5): the air blowing unit (5) comprises an air pipe (51), an air blower (52) and an air blower base (53), the number of the air blower bases (53) is two, the air blower bases are respectively arranged at the left end and the right end of the front side of the upper surface of the mounting plate (1), the air blower base (53) is provided with the air blower (52), the air outlet of the air blower (52) is respectively connected with the air inlet end of the air pipe (51), the air outlet end of the air pipe (51) is respectively communicated with the interior of the column box body (42), two electric heating wire supports (13) are arranged in the column box body (42), the two ends of each electric heating wire support (13) are respectively and fixedly connected with the column box body (42), and an S-shaped electric heating wire (12) is arranged between the two;
wherein: the heating wire heating device is characterized by further comprising a control switch group (9), wherein the control switch group (9) is arranged on the upper surface of the mounting plate (1), the input end of the control switch group (9) is electrically connected with the output end of an external power supply, and the output end of the control switch group (9) is electrically connected with the input ends of the air blower (52) and the heating wire (12).
2. The column box for a liquid chromatograph according to claim 1, characterized in that: the column box comprises a column box body (42) and is characterized by further comprising a thermometer (6), wherein the thermometer (6) is arranged on the lower surface of the column box body (42), and the lower end of the thermometer (6) is arranged inside the column box body (42).
3. The column box for a liquid chromatograph according to claim 1, characterized in that: still include slipmat (8), slipmat (8) are four, and are the ring shape, and in slipmat (8) were arranged in respectively placing hole (7), fixed connection between slipmat (8) and the lateral wall of placing hole (7).
4. The column box for a liquid chromatograph according to claim 1, characterized in that: the novel bicycle handlebar is characterized by further comprising two handles (10), wherein the two handles (10) are respectively arranged at the left end and the right end of the mounting plate (1), and the handles (10) are fixedly connected with the mounting plate (1).
5. The column box for a liquid chromatograph according to claim 1, characterized in that: still including going out fan housing (11), it is two to go out fan housing (11), and arrange in respectively on the inside lateral wall of post case body (42), goes out fixed connection between fan housing (11) and post case body (42), and the rear end that goes out fan housing (11) communicates the air inlet end of tuber pipe (51) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921320601.5U CN210665646U (en) | 2019-08-15 | 2019-08-15 | Column box for liquid chromatograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921320601.5U CN210665646U (en) | 2019-08-15 | 2019-08-15 | Column box for liquid chromatograph |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210665646U true CN210665646U (en) | 2020-06-02 |
Family
ID=70815906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921320601.5U Expired - Fee Related CN210665646U (en) | 2019-08-15 | 2019-08-15 | Column box for liquid chromatograph |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210665646U (en) |
-
2019
- 2019-08-15 CN CN201921320601.5U patent/CN210665646U/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: 20200602 |