CN213875549U - Gas chromatography mass spectrometer with detachable temperature control shell - Google Patents
Gas chromatography mass spectrometer with detachable temperature control shell Download PDFInfo
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- CN213875549U CN213875549U CN202022272491.9U CN202022272491U CN213875549U CN 213875549 U CN213875549 U CN 213875549U CN 202022272491 U CN202022272491 U CN 202022272491U CN 213875549 U CN213875549 U CN 213875549U
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Abstract
A gas chromatograph mass spectrometer with a detachable temperature control shell comprises a sample feeding device for extracting a sample to carry out gas chromatograph mass spectrum detection, a storage device for placing the sample and transferring the sample to the sample feeding device, and a temperature control shell sleeved on the sample feeding device and the storage device, wherein the temperature control shell comprises a temperature control bin detachably arranged on the storage device, a seal bin arranged on the sample feeding device and communicated with the temperature control bin, a connecting piece arranged between the temperature control bin and the seal bin for fixing the temperature control bin and a temperature control device arranged at the top of the temperature control bin for controlling the temperature of a test environment, the temperature of the storage environment of the sample in the test process is ensured to be unchanged, the result precision of the gas chromatograph mass spectrometer for analyzing the sample in batches for a long time is improved, the stability and the validity of the test result are greatly improved, the temperature control shell is in a modular design, and the sample feeding device can be rapidly detached to maintain, convenient and fast, the practicality of the device is improved.
Description
Technical Field
The utility model belongs to auxiliary fabric detection device field specifically is a gas chromatography mass spectrograph with can dismantle temperature control shell.
Background
The gas chromatography-mass spectrometer generally refers to a gas chromatography-mass spectrometer, is widely applied to the textile industry, is mainly used for detecting harmful substances in textiles, the principle is that a multi-component mixture is gasified and separated by gas chromatography, each component enters a mass spectrometer in turn according to the retention time sequence, gas molecules of each component are ionized in an ion source to generate ions with different mass-charge ratios and positive charges, an ion beam is formed under the action of an accelerating electric field, the ions enter a mass analyzer and are separated according to the mass-charge ratio, finally a detector detects an electric signal converted from an ion beam current and the electric signal is sent into a computer, the signals are processed by a computer to obtain a chromatogram, a mass spectrogram and other various information, the molecular ion peak, the isotope peak and the characteristic fragment ion peak of the mass spectrogram of the component are related to the molecular structure of the component, and the component can be characterized and the structure of the component can be determined by comparing the component with a standard mass spectrogram library;
the automatic sample injector for the gas chromatography mass spectrometer is an open sample injection device on the market, harmful substances in a sample injection bottle are easy to volatilize in the air under the condition of room temperature, long-term invisible damage is caused to human bodies, and in consideration of the fact that sample injection solutions aimed at the gas chromatography mass spectrometer are easy to volatilize and deteriorate under the condition of room temperature, samples need to be injected one by one when the sample injection bottle is used for analyzing a large number of samples, the sample injection solutions cannot be stored for a long time within a long time, and the sample injection results are inaccurate due to easy deterioration and need to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the shortcoming of prior art, provide a gas chromatography mass spectrograph with can dismantle temperature control shell.
The utility model adopts the following technical scheme:
the utility model provides a gas chromatography mass spectrometer with can dismantle temperature control shell, including drawing the sample and carrying out the sampling device that gas chromatography mass spectrometry detected, a temperature control shell for placing the sample and transporting the sample to sampling device's strorage device and cover are established on sampling device and strorage device, the temperature control shell is including dismantling the temperature control storehouse of setting on strorage device, the seal chamber that sets up on sampling device and control by temperature change storehouse intercommunication, the setting is used for fixing connecting piece between them and setting up the temperature control device who is used for controlling experimental environment temperature at temperature control storehouse top between control by temperature change storehouse and seal chamber.
Preferably, the temperature control device comprises a refrigeration mechanism arranged in the temperature control bin, an exhaust fan arranged at the top of the temperature control bin and used for discharging heat out of the device, a temperature sensor arranged in the temperature control bin, a controller respectively connected with the exhaust fan, the refrigeration mechanism and the temperature sensor, and a display operation panel connected with the controller and arranged on the temperature control shell.
Preferably, a partition board is arranged in the temperature control bin, a placing hole used for placing the refrigerating mechanism is formed in the partition board and is opposite to the exhaust fan, and a ventilation grid window is further arranged at the top of the temperature control bin.
Preferably, a sealing ring is further arranged between the placing hole and the refrigerating mechanism.
Preferably, the refrigerating mechanism is a semiconductor refrigerating piece, a refrigerating end of the semiconductor refrigerating piece is opposite to the temperature control bin, and a heat dissipation end of the semiconductor refrigerating piece is opposite to the exhaust fan.
The exhaust fan is positioned in the center of the top of the temperature control cabin.
Preferably, the device also comprises an exhaust device, wherein the exhaust device comprises an air outlet pipe which is arranged in the temperature control bin and can collect and treat internal gas and an air inlet pipe which is arranged in the sealed bin and can be opened to allow external gas to enter.
Preferably, the connecting piece includes the buckle that sets up on the sealed storehouse and setting up the draw-in groove on the control by temperature change storehouse, buckle and draw-in groove cooperation are connected sealed with sealed storehouse and control by temperature change storehouse.
Preferably, the temperature control bin is further provided with a bin door for storing samples in the storage device conveniently.
Preferably, the storage device comprises a sample tray capable of holding a plurality of samples and a transfer mechanism movably arranged for grasping and moving the samples to the sample introduction device.
It can be known from the above description of the present invention, compared with the prior art, the beneficial effects of the present invention are: when the test is carried out, the sample is placed in the storage device and is moved into the sample introduction device through the storage device for inspection, the temperature control shell is sleeved on the storage device and the sample introduction device, the temperature of the storage environment of the sample in the test process is guaranteed to be unchanged, the result precision of the long-time batch analysis of the sample by the gas chromatography mass spectrometer is improved, the stability and the effectiveness of the test result are greatly improved, and the temperature control shell is in a modular design, can be quickly disassembled to maintain the sample introduction device, is convenient and quick, and improves the practicability of the device;
the temperature sensor is arranged in the temperature control bin to monitor the temperature in the temperature control bin and feed back a signal to the controller, and the controller controls whether the refrigerating mechanism and the exhaust fan work or not after comparing the current temperature with the preset temperature on the display operation panel;
the refrigerating mechanism is arranged in the placing hole on the partition plate, the exhaust fan discharges heat generated by heat exchange of the refrigerating mechanism to the outside of the instrument, and a closed space is formed between the partition plate and the top surface of the temperature control bin, so that the ventilation grid window is required to ensure air circulation when the exhaust fan works;
the sealing ring is arranged between the placing hole and the refrigerating mechanism and used for sealing a gap possibly existing between the placing hole and the refrigerating mechanism so as to prevent heat loss and influence on the refrigerating effect;
the exhaust fan is positioned in the center of the top of the temperature control bin, the heat dissipation effect can be improved to the maximum extent, and the refrigeration mechanism and the exhaust fan are also positioned in the center of the partition plate relatively, so that the temperature control bin can be uniformly refrigerated, and the refrigeration effect is improved;
after experimental completion, take away and collect the harmful gas that produces in with experimental environment through the outlet duct, and because experimental environment is sealed space, the air circulation nature when collecting harmful gas can be guaranteed to the intake pipe, and the intake pipe can be opened or closed, should close when experimental and prevent that waste gas from leaking.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is a schematic structural view of the temperature control bin of the present invention;
fig. 4 is a schematic structural view of the temperature control bin of the present invention;
fig. 5 is a third schematic structural view of the temperature control bin of the present invention;
fig. 6 is a schematic structural diagram of the sealed bin of the present invention;
fig. 7 is a schematic structural view of the sealed bin of the present invention;
FIG. 8 is a schematic structural view of the storage device and the sample injection device of the present invention;
in the figure: 1-sample introduction device, 2-storage device, 21-sample tray, 22-transfer mechanism, 3-temperature control shell, 31-temperature control bin, 311-bin door, 32-sealing bin, 33-connecting piece, 331-buckle, 332-clamping slot, 34-temperature control device, 341-clapboard, 342-placing hole, 343-refrigeration mechanism, 344-sealing ring, 345-exhaust fan, 346-ventilating grid window, 347-display operation panel, 4-exhaust device, 41-air outlet pipe and 42-air inlet pipe.
Detailed Description
The present invention will be further described with reference to the following detailed description.
A gas chromatograph mass spectrometer with a detachable temperature control shell 3 comprises a sample feeding device 1, a storage device 2, a temperature control shell 3 and an exhaust device 4.
The storage device 2 comprises a sample tray 21 capable of placing a plurality of samples and a transfer mechanism 22 movably arranged and used for grabbing and moving the samples to the sample feeding device 1, specifically, the transfer mechanism 22 is a mechanical arm capable of grabbing articles, and further description is not given to the structure and the selection of the transfer mechanism 22.
The temperature control shell 3 is sleeved on the sample feeding device 1 and the storage device 2 and comprises a temperature control bin 31 which is detachably arranged on the storage device 2, a sealing bin 32 which is detachably arranged on the sample feeding device 1 and is communicated with the temperature control bin 31, a connecting piece 33 which is arranged between the temperature control bin 31 and the sealing bin 32 and is used for fixing the temperature control bin and the sealing bin, and a temperature control device 34 which is arranged at the top of the temperature control bin 31 and is used for controlling the temperature of the test environment, when in test, a sample is placed in the storage device 2 and is moved into the sample feeding device 1 through the storage device 2 for test, the temperature control shell 3 is sleeved on the storage device 2 and the sample feeding device 1, the temperature of the storage environment of the sample in the test process is ensured to be unchanged, the result precision of the long-time batch analysis of the sample of the gas chromatograph mass spectrometer is improved, the stability and the validity of the test result are greatly improved, and the temperature control shell 3 is in a modular design, can dismantle fast and maintain sampling device 1, convenient and fast has improved the practicality of device, and is concrete, still be provided with the door 311 of being convenient for access sample in strorage device 2 on the control by temperature change storehouse 31.
Connecting piece 33 includes rotatable buckle 331 and the draw-in groove 332 of setting on temperature control storehouse 31 of setting on sealed storehouse 32, and buckle 331 rotates and is connected sealed storehouse 32 and temperature control storehouse 31 with draw-in groove 332 cooperation and sealed, can realize the dismouting of control by temperature change shell 3 fast, easy access.
The temperature control device 34 includes a partition 341, a placing hole 342, a refrigerating mechanism 343, a sealing ring 344, an exhaust fan 345, an air-permeable grill window 346, and a control system, the partition 341 being provided in the temperature-controlled compartment 31 to divide the temperature-controlled compartment 31 into a temperature-controlled section and a sample-placing section; the placement hole 342 is formed in the partition 341 and located at the center thereof, and the placement hole is located at the center thereof to help the uniform refrigeration of the interior of the temperature control chamber 31; the refrigeration mechanism 343 is disposed in the placement hole 342, the refrigeration mechanism 343 is specifically a semiconductor cooling fin, and is a common refrigeration device in the field of refrigeration devices, and further description is not given here for the structure and the working principle thereof, the refrigeration end of the semiconductor cooling fin performs refrigeration opposite to the temperature control bin 31, and the cooling end is opposite to the temperature control bin 31 to discharge heat; the sealing ring 344 is disposed between the placing hole 342 and the refrigerating mechanism 343, and is used for sealing a gap which may exist between the placing hole 342 and the refrigerating mechanism 343, so as to prevent heat loss and influence on a refrigerating effect; the exhaust fan 345 is arranged at the top of the temperature control bin 31 and is also positioned at the center position relative to the placing hole 342, so that the heat dissipation effect can be improved to the maximum extent, and the heat generated by the heat exchange of the refrigerating mechanism 343 is discharged upwards out of the temperature control bin 31; the ventilation grating window 346 is arranged on the side surface of the temperature control chamber 31 and is positioned on the temperature control part, and because the temperature control part is arranged in a sealing way, the ventilation grating window 346 ensures the air circulation of the temperature control part when the exhaust fan 345 works, and ensures the heat dissipation effect of the exhaust fan 345.
The control system comprises a temperature sensor arranged in the temperature control bin 31, a controller respectively connected with the exhaust fan 345, the refrigerating mechanism 343 and the temperature sensor, and a display operation panel 347 connected with the controller and arranged on the temperature control shell 3, wherein the temperature sensor is arranged in the temperature control bin 31 to monitor the temperature in the temperature control bin 31 and feed back signals to the controller, and the controller displays the current temperature on the display operation panel 347 and compares the current temperature with the preset temperature on the display operation panel 347 to control whether the refrigerating mechanism 343 and the exhaust fan 345 work or not.
During the experiment, close intake pipe 42, open door 311, put into to await measuring the sample and place door 311 after the dish, control temperature control device 34 through showing operating panel 347 and begin work, the sample transports to sampling device 1 through transport mechanism 22 and carries out the gas chromatography mass spectrum test, open intake pipe 42 after the experiment finishes, take away and collect the harmful gas that produces by the sample in the temperature control storehouse 31, open door 311 at last and take out the sample that has detected, and temperature control storehouse 31 and sealed storehouse 32 are modular design, but quick disassembly maintains sampling device 1, high convenience and high speed, the practicality of device has effectively been improved.
The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited thereby, and all equivalent changes and modifications made within the scope of the claims and the specification should be considered within the scope of the present invention.
The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited thereby, and all equivalent changes and modifications made within the scope of the claims and the specification should be considered within the scope of the present invention.
Claims (10)
1. The utility model provides a gas chromatography mass spectrometer with can dismantle temperature control shell which characterized in that: including drawing the sample and carrying out gas chromatography mass spectrometry's sampling device, be used for placing the sample and transport the strorage device and the cover that sampling device and strorage device are established the temperature control shell on sampling device and strorage device with the sample, the temperature control shell is including dismantling the temperature control storehouse of setting on strorage device, the seal chamber of setting on sampling device with the intercommunication of temperature control storehouse, the setting is used for fixing connecting piece between them and the temperature control device who sets up at the temperature control storehouse top and be used for controlling experimental environment temperature between temperature control storehouse and seal chamber.
2. The gas chromatograph-mass spectrometer with the detachable temperature-controlled housing of claim 1, characterized in that: the temperature control device comprises a refrigerating mechanism arranged in the temperature control bin, an exhaust fan arranged at the top of the temperature control bin and used for discharging heat out of the temperature control bin, a temperature sensor arranged in the temperature control bin, a controller respectively connected with the exhaust fan, the refrigerating mechanism and the temperature sensor, and a display operation panel connected with the controller and arranged on the temperature control shell.
3. The gas chromatograph-mass spectrometer with the detachable temperature-controlled housing of claim 2, characterized in that: the temperature control cabin is internally provided with a partition plate, the partition plate is provided with a placing hole opposite to the exhaust fan for placing the refrigerating mechanism, and the top of the temperature control cabin is also provided with a ventilating grid window.
4. A gas chromatograph-mass spectrometer with a removable temperature-controlled housing according to claim 3, characterized in that: and a sealing ring is also arranged between the placing hole and the refrigerating mechanism.
5. A gas chromatograph-mass spectrometer with a detachable temperature-controlled housing according to any one of claims 2 to 4, characterized in that: the refrigerating mechanism is a semiconductor refrigerating piece, a refrigerating end of the semiconductor refrigerating piece is opposite to the temperature control bin, and a radiating end of the semiconductor refrigerating piece is opposite to the exhaust fan.
6. The gas chromatograph-mass spectrometer with the detachable temperature-controlled housing of claim 5, characterized in that: the exhaust fan is positioned in the center of the top of the temperature control cabin.
7. The gas chromatograph-mass spectrometer with the detachable temperature-controlled housing of claim 1, characterized in that: the gas-liquid separator is characterized by further comprising an exhaust device, wherein the exhaust device comprises an air outlet pipe and an air inlet pipe, the air outlet pipe is arranged in the temperature control bin and can collect and treat internal gas, and the air inlet pipe is arranged in the sealed bin and can be opened to enable external gas to enter.
8. The gas chromatograph-mass spectrometer with the detachable temperature-controlled housing of claim 1, characterized in that: the connecting piece is in including setting up buckle on the sealed storehouse and setting are in draw-in groove on the control by temperature change storehouse, buckle and draw-in groove cooperation are connected sealed storehouse and control by temperature change storehouse.
9. The gas chromatograph-mass spectrometer with the detachable temperature-controlled housing of claim 1, characterized in that: the temperature control bin is also provided with a bin door which is convenient for storing samples in the storage device.
10. The gas chromatograph-mass spectrometer with the detachable temperature-controlled housing of claim 1, characterized in that: the storage device comprises a sample tray capable of placing a plurality of samples and a transfer mechanism which is movably arranged and used for grabbing and moving the samples to the sample feeding device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022272491.9U CN213875549U (en) | 2020-10-13 | 2020-10-13 | Gas chromatography mass spectrometer with detachable temperature control shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022272491.9U CN213875549U (en) | 2020-10-13 | 2020-10-13 | Gas chromatography mass spectrometer with detachable temperature control shell |
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| Publication Number | Publication Date |
|---|---|
| CN213875549U true CN213875549U (en) | 2021-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022272491.9U Active CN213875549U (en) | 2020-10-13 | 2020-10-13 | Gas chromatography mass spectrometer with detachable temperature control shell |
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| CN (1) | CN213875549U (en) |
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