CN208206890U - A kind of dedicated head-space sampler of detection - Google Patents
A kind of dedicated head-space sampler of detection Download PDFInfo
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- CN208206890U CN208206890U CN201820520142.4U CN201820520142U CN208206890U CN 208206890 U CN208206890 U CN 208206890U CN 201820520142 U CN201820520142 U CN 201820520142U CN 208206890 U CN208206890 U CN 208206890U
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Abstract
The utility model discloses a kind of dedicated head-space samplers of detection, including body (1), it is characterized by: being equipped with heating layer (2) in the body (1), heater strip (3) are equipped in heating layer (2), volatile layer (4) are equipped in body (1), sampling layer (6) is equipped in body (1), sampling, layer (6) are interior to be equipped with injection port (7) and outlet (8), sampling, layer (6) are interior to be equipped with sampling chamber (11), sampling, chamber (11) are interior to be equipped with movable post (12), movable post (12) is to be slidably connected with sampling chamber (11), layer of sampling is interior to be equipped with motor (14), motor (14) and movable post (12) are to be driven to heart crank block, the utility model compared with prior art the advantages of be: detect dedicated head-space sampler it is easy to operate efficiently, it avoids interfering when print is pumped, it protects Demonstrate,prove sample detection accuracy.
Description
Technical field
The utility model relates to sample detection technical field, in particular to a kind of dedicated head-space samplers of detection.
Background technique
Higher and higher for sample detection technology with the promotion of economic level, head-space sampler is a kind of convenient and efficient
Sample-pretreating method, principle be by sample to be tested be placed in a closed container in, volatility group is made by heat temperature raising
Divide and evaporated from sample matrices, reach balance in gas-liquid (or gas-solid) two-phase, directly extraction top gas carries out chromatography
Analysis, thus in sample survey volatile component ingredient and content, current head-space sampler is mostly manual sample mode, by
It is affected in the purity that manual uncertain factor will lead to sample, although whole operation process is simple, also affects
Certain working efficiency, therefore headspace sampling machine is improved.
Utility model content
The technical problems to be solved in the utility model is to overcome the above technological deficiency, and providing one kind, work efficiency is high, operation
Efficient head-space sampler.
In order to solve the above technical problems, technical solution provided by the utility model are as follows: a kind of dedicated head-space sampler of detection,
Including body, heating layer is equipped in the body, heater strip is equipped in heating layer, is equipped with volatile layer in body, volatile layer with
Heating layer connection and junction are equipped with partition, and sampling layer is equipped in body, is equipped with injection port and outlet, injection port in sampling layer
It is connect with volatile layer and junction is equipped with unidirectional trapezoidal valve, body is equipped with outlet, and outlet is connected and connected with outlet
Place is equipped with unidirectional trapezoidal valve, and sampling chamber is equipped in layer of sampling, and samples intracavitary equipped with movable post, and movable post is to be slidably connected with sampling chamber,
Layer of sampling is interior to be equipped with cylindrical guide, and movable post is to be slidably connected with cylindrical guide, and equipped with motor in sampling layer, motor and movable post are pair
The transmission of heart crank block, for motor equipped with crank one, movable post is equipped with crank two, and crank two and movable post are to be rotatablely connected and connect
It meets place and is equipped with oscillating bearing, crank two and crank one are that rotation connection, motor and movable post are passed by crank one and the cooperation of crank two
Dynamic, motor rotation drives movable post along cylindrical guide in intracavitary reciprocating motion of sampling.
The utility model compared with prior art the advantages of be: detect dedicated head-space sampler and include heating layer, wave
Layer, sampling layer and movable post are sent out, test sample in layer will volatilize by heating layer heating and volatilize, sample evaporate into thermal balance
When state, drives movable post to be sampled processing by motor, only need operation motor on-off that can sample, it is easy to operate efficient, it waves
Hair sample can be shed by sampling chamber from outlet, will be exported connecting detection equipment, reduced the disturbing factor that sample is subject to, guarantee
The accuracy of detection.
As an improvement, the partition is set as aluminum alloy materials, guarantee that homogeneous heating is efficient in volatile layer.
As an improvement, movable post one end close with sampling chamber is equipped with sealing ring, guarantee intracavitary air-tightness of sampling.
As an improvement, the motor is set as stepper motor, so that pumping with more operability for volatile samples, is improved
Working efficiency.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram for detecting dedicated head-space sampler of the utility model.
Fig. 2 is a kind of structural schematic diagram detected when dedicated head-space sampler is sampled of the utility model.
It is as shown in the figure: 1, body, 2, heating layer, 3, heater strip, 4, volatile layer, 5, partition, 6, sampling layer, 7, injection port,
8, outlet, 9, unidirectional trapezoidal valve, 10, outlet, 11, sampling chamber, 12, movable post, 13, cylindrical guide, 14, motor, 15, crank
One, 16, crank two, 17, oscillating bearing, 18, sealing ring.
Specific embodiment
The following describes the utility model in further detail with reference to the accompanying drawings.
A kind of dedicated head-space sampler of detection, including body 1, the body 1 is interior to be equipped with heating layer 2, sets in heating layer 2
There is heater strip 3, volatile layer 4 is equipped in body 1, volatile layer 4 is connect with heating layer 2 and junction is equipped with partition 5, is set in body 1
There is sampling layer 6, injection port 7 and outlet 8 is equipped in layer 6 of sampling, injection port 7 is connect with volatile layer 4 and junction is equipped with list
To trapezoidal valve 9, body 1 is equipped with outlet 10, and outlet 8 is connect with outlet 10 and junction is equipped with unidirectional trapezoidal valve 9, sampling
It is equipped with sampling chamber 11 in layer 6, movable post 12 is equipped in sampling chamber 11, movable post 12 is to be slidably connected with sampling chamber 11, is set in layer 6 of sampling
There is cylindrical guide 13, movable post 12 is to be slidably connected with cylindrical guide 13, is equipped with motor 14 in sampling layer, motor 14 is with movable post 12
Heart crank block is driven, motor 14 is equipped with crank 1, and movable post 12 is equipped with crank 2 16, and crank 2 16 is with movable post 12
It is rotatablely connected and junction is equipped with oscillating bearing 17, crank 2 16 and crank 1 are rotation connection, motor 14 and movable post 12
It is driven by crank 1 and the cooperation of crank 2 16, the rotation of motor 14 drives movable post 12 past in sampling chamber 11 along cylindrical guide 13
Multiple movement.
The partition 5 is set as aluminum alloy materials.
The movable post 12 one end close with sampling chamber 11 is equipped with sealing ring 18.
The motor 14 is set as stepper motor.
The utility model mainly for detection of, when specifically used, prime minister will test dedicated head-space sampler position and fix,
Connecting detection equipment will be exported by hose, sample is put into evaporation chamber, heater strip is opened and is heated, detected in volatile layer
Reach thermal equilibrium state to sample volatilization and pass through motor at once and pump sample, is taken out after the completion of detection and close heater strip, it will be remaining
Sample takes out and cleans to evaporation chamber and sampling chamber.
The utility model and embodiments thereof are described above, this description is no restricted, shown in attached drawing
Be also one of the embodiments of the present invention, actual structure is not limited to this.All in all if this field
Those of ordinary skill is enlightened by it, without deviating from the purpose of the present invention, not inventively design with
The similar frame mode of the technical solution and embodiment, all should belong to the protection range of the utility model.
Claims (4)
1. a kind of dedicated head-space sampler of detection, including body (1), it is characterised in that: be equipped with heating layer in the body (1)
(2), heater strip (3) are equipped in heating layer (2), are equipped with volatile layer (4) in body (1), volatile layer (4) is connect with heating layer (2)
And junction is equipped with partition (5), and sampling layer (6) is equipped in body (1), is equipped with injection port (7) and outlet in sampling layer (6)
(8), injection port (7) is connect with volatile layer (4) and junction is equipped with unidirectional trapezoidal valve (9), and body (1) is equipped with outlet
(10), outlet (8) is connect with outlet (10) and junction is equipped with unidirectional trapezoidal valve (9), and sampling chamber is equipped in sampling layer (6)
(11), movable post (12) are equipped in sampling chamber (11), movable post (12) is to be slidably connected with sampling chamber (11), is equipped in sampling layer (6)
Cylindrical guide (13), movable post (12) and cylindrical guide (13) are to be slidably connected, and are equipped with motor (14) in sampling layer, motor (14) with
Movable post (12) is to be driven to heart crank block, and motor (14) is equipped with crank one (15), and movable post (12) is equipped with crank two (16),
Crank two (16) and movable post (12) are rotation connection and junction is equipped with oscillating bearing (17), crank two (16) and crank one
It (15) is rotation connection, motor (14) and movable post (12) are driven by crank one (15) and crank two (16) cooperation, motor (14)
Rotation drives movable post (12) to move back and forth in sampling chamber (11) along cylindrical guide (13).
2. a kind of dedicated head-space sampler of detection according to claim 1, it is characterised in that: the partition (5) is set as
Aluminum alloy materials.
3. a kind of dedicated head-space sampler of detection according to claim 1, it is characterised in that: the movable post (12) and pumping
The close one end of sample chamber (11) is equipped with sealing ring (18).
4. a kind of dedicated head-space sampler of detection according to claim 1, it is characterised in that: the motor (14) is set as
Stepper motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820520142.4U CN208206890U (en) | 2018-04-13 | 2018-04-13 | A kind of dedicated head-space sampler of detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820520142.4U CN208206890U (en) | 2018-04-13 | 2018-04-13 | A kind of dedicated head-space sampler of detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208206890U true CN208206890U (en) | 2018-12-07 |
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ID=64523016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820520142.4U Active CN208206890U (en) | 2018-04-13 | 2018-04-13 | A kind of dedicated head-space sampler of detection |
Country Status (1)
| Country | Link |
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| CN (1) | CN208206890U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111272606A (en) * | 2020-01-21 | 2020-06-12 | 山东大学 | Manual static headspace sampling device and sampling method of injector |
| CN113533601A (en) * | 2021-09-07 | 2021-10-22 | 河北智德检验检测股份有限公司 | Headspace sample injector |
-
2018
- 2018-04-13 CN CN201820520142.4U patent/CN208206890U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111272606A (en) * | 2020-01-21 | 2020-06-12 | 山东大学 | Manual static headspace sampling device and sampling method of injector |
| CN111272606B (en) * | 2020-01-21 | 2020-12-08 | 山东大学 | Manual static headspace sampling device and sampling method of injector |
| CN113533601A (en) * | 2021-09-07 | 2021-10-22 | 河北智德检验检测股份有限公司 | Headspace sample injector |
| CN113533601B (en) * | 2021-09-07 | 2022-10-04 | 河北智德检验检测股份有限公司 | Headspace sample injector |
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