CN211553890U

CN211553890U - Sample injection automatic triggering workstation device

Info

Publication number: CN211553890U
Application number: CN201922469100.XU
Authority: CN
Inventors: 王晟瑜; 刘伟伟; 朱冬洋
Original assignee: Dalian Lantian Zhongyi Technology Co ltd
Current assignee: Dalian Lantian Zhongyi Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-22
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a sample injection automatic triggering workstation device, which belongs to the field of gas chromatograph, and comprises a gas chromatograph, wherein a sample injection groove is arranged at the top of the gas chromatograph, a sample injection port is arranged on the inner bottom wall of the sample injection groove at the top of the gas chromatograph, a support plate is arranged inside the sample injection groove, a plurality of support slide bars are fixedly arranged at the inner bottom of the sample injection groove, the top of each support slide bar penetrates through the support plate and extends to the top of the support plate, the sample injection triggering device is extruded by the support plate, a triggering signal of the sample injection triggering device is transmitted to a control chip, the control chip processes the signal, then the control chip instantly gives a signal for starting work to the workstation and then disconnects, the workstation starts to work after receiving the signal without manually pressing a button to trigger the workstation to record and analyze and calculate, realize advancing the automatic triggering workstation of appearance, reduced the trouble in the operation.

Description

Sample injection automatic triggering workstation device

Technical Field

The utility model relates to a gas chromatograph field, more specifically say, relate to advance kind automatic triggering workstation device.

Background

A gas chromatograph is a tool for separating and analyzing multi-component mixture, which utilizes the different distribution coefficients of each component between the mobile phase and the stationary phase, when a sample is carried into a chromatographic column by a carrier gas through a sample injector to run, the components are repeatedly distributed between two phases of the sample, because the running speeds of the components in the chromatographic column are different, the components are separated from each other after a certain column length, and leave the chromatographic column in sequence to enter a detection system, and the generated ion current signals are amplified, and then the chromatographic peaks of the components are drawn on a recorder.

The existing gas chromatograph is used for sampling samples by pulling a valve or inserting a needle and then triggering a workstation to record and analyze the samples by a manual button, so that the problem of operation is caused because the workstation can be triggered to record by manually or automatically pulling the valve by the sampling valve.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a advance kind automatic triggering workstation device possesses automated inspection and advances kind operation triggering workstation and take notes, makes things convenient for the advantage that operating personnel used, has solved current gas chromatograph and has advanced the appearance and all pull the valve or insert needle then manual button and trigger the workstation and take notes and the analysis calculation, can't realize that the valve is manual or automatic to pull the valve and can trigger the workstation simultaneously and take notes, causes the trouble problem in the operation.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A sample injection automatic triggering workstation device comprises a gas chromatograph, wherein a sample injection groove is formed in the top of the gas chromatograph, a sample injection port is formed in the inner bottom wall, located in the sample injection groove, of the top of the gas chromatograph, a supporting plate is arranged inside the sample injection groove, a plurality of supporting slide bars are fixedly mounted at the inner bottom of the sample injection groove, the tops of the supporting slide bars penetrate through the supporting plate and extend to the tops of the supporting plate, the supporting slide bars are connected with the supporting plate in a sliding mode, supporting springs are sleeved outside the supporting slide bars, the bottoms of the supporting springs are fixedly mounted on the inner bottom wall of the sample injection groove, the tops of the supporting springs are fixedly connected with the bottoms of the supporting plate, a needle cylinder is arranged at the top of the supporting plate, the bottom of the needle cylinder is communicated with a needle head, and the bottom, the top of the supporting plate is fixedly provided with an annular fixing plate outside the needle cylinder, the inside of the gas chromatograph is provided with a work station at the bottoms of the left side and the right side of the sample injection groove, the inside of the sample injection triggering groove is provided with a sample injection triggering device, the inside of the gas chromatograph is provided with a control chip, the sample injection triggering device is electrically connected with the control chip, the control chip is electrically connected with the work station, when in use, the needle cylinder is firstly inserted into the sample injection groove, the needle cylinder is fixed by the annular fixing plate, meanwhile, the needle head extends into the sample injection port, so that the sample injection is convenient, when in sample injection work, the solution in the needle cylinder is pressed to enter the gas chromatograph through the sample injection port, simultaneously, the strength of the needle cylinder is pressed to drive the supporting plate to move downwards, the supporting plate extrudes the sample, the control chip processes the signals, then the control chip instantly gives a signal for starting working to the workstation and then is disconnected, the workstation starts working after receiving the signal, a button does not need to be pressed manually to trigger the workstation for recording and analyzing calculation, the automatic sample injection triggering workstation is realized, and the operation trouble is reduced.

Preferably, the inside fixed mounting who advances the kind groove has a plurality of cylinder supports, the cylinder support all contacts with the lateral wall of cylinder, supports the cylinder through cylinder support edgewise, makes the cylinder remain stable, has avoided advancing the kind time because the operator hand rocks, leads to the cylinder to rock, and then leads to the damage of syringe needle, influences the work of advancing the kind.

Preferably, the sampling trigger device comprises a trigger rotating shaft, the trigger rotating shaft is fixedly arranged inside the sampling trigger groove, a rotating block is sleeved outside the sampling trigger groove, the rotating block is rotatably connected with the trigger rotating shaft, one end of the rotating block, far away from the trigger rotating shaft, is contacted with the bottom of the support plate, a microswitch is fixedly arranged on the inner wall of the sampling trigger groove and is electrically connected with the control chip, a reset rod is fixedly connected with one end of the rotating block, far away from the support plate, a reset mounting frame is fixedly arranged on the side wall of the sampling trigger groove, far away from the direction of the support plate, the reset mounting frame is rotatably connected with a reset spring, one end of the reset spring, far away from the reset mounting frame, is rotatably connected with the reset rod, the needle cylinder moves downwards during sampling, the support plate is extruded to move downwards, the support plate is contacted with the, rotate certain angle back turning block and micro-gap switch and contact, trigger micro-gap switch and send electric signal to control chip, can the auto-trigger workstation when making the device advance kind, reduced the trouble in the operation, when stopping advancing kind, through reset spring's elasticity pulling release link, the release link drives the turning block and rotates, makes the turning block reset, makes advance kind trigger device can prepare the auto-trigger workstation once more, has ensured the normal operating of device.

Preferably, the surface spraying of turning block has the polytetrafluoroethylene coating, has reduced the frictional force on turning block surface, reduces the friction with the backup pad when turning block rotates, makes advance a kind trigger device more sensitive.

Preferably, the microswitch is a microswitch of 12.8 Wx 5.8 Dx 6.5H, so that the sampling trigger device is more sensitive on the premise of reducing false touch, and the normal operation of the device is guaranteed.

Preferably, the inner wall fixed mounting of annular fixed plate has the elasticity fixed bed, the inner wall and the cylinder on elasticity fixed bed closely laminate, can fix the cylinder through the elasticity fixed bed, reduce the cylinder and rock, and because the operator hand rocks when having avoided advancing the appearance, lead to the cylinder to rock, and then lead to the damage of syringe needle, the influence advances kind work.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) when this scheme uses at first insert the cylinder in the sample introduction groove, fix the cylinder through annular fixed plate, the syringe needle stretches into in the sample introduction simultaneously, conveniently advance the appearance, advance kind during operation, press down cylinder solution and get into gas chromatograph through the sample introduction port in, the strength of pressing the cylinder simultaneously drives the backup pad downstream, the backup pad extrusion advances kind trigger device, advance kind trigger device trigger signal and transmit to control chip, control chip handles the signal, then control chip can give a signal that begins work in the workstation in the twinkling of an eye then the disconnection, the workstation begins work after receiving the signal, need not manually to press the button and trigger the workstation and take notes and the analysis and calculation, it advances kind automatic trigger workstation to have realized, the trouble in the operation has been reduced.

(2) This scheme passes through cylinder support frame edgewise support cylinder, makes the cylinder remain stable, has avoided advancing the appearance because the operator hand rocks, leads to the cylinder to rock, and then leads to the damage of syringe needle, influences kind work.

(3) This scheme advances kind a needle section of thick bamboo downstream, the extrusion backup pad makes its downstream, backup pad and turning block contact, make the turning block rotate around triggering the pivot, turning block and micro-gap switch contact after rotating certain angle, trigger micro-gap switch and send electric signal to control chip, can the auto-triggering workstation when making the device advance kind, the trouble in the operation has been reduced, when stopping advancing kind, elasticity pulling release link through reset spring, the release link drives the turning block and rotates, make the turning block reset, make advance kind trigger device can prepare the auto-triggering workstation once more, the normal operating of device has been ensured.

(4) The surface spraying of turning block has the polytetrafluoroethylene coating in this scheme, has reduced the frictional force on turning block surface, reduces the turning block and rotates the time and the friction of backup pad, makes advance a kind trigger device more sensitive.

(5) The micro-gap switch in this scheme adopts 12.8W 5.8D 6.5H's micro-gap switch, under the prerequisite that reduces the mistake and touch, makes advance kind trigger device more sensitive, has ensured the normal operating of device.

(6) This scheme can be fixed the cylinder through the elastic fixation layer, reduces the cylinder and rocks, because the operator hand rocks when having avoided advancing the appearance, leads to the cylinder to rock, and then leads to the damage of syringe needle, influences kind work.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1 according to the present invention;

FIG. 3 is a schematic structural view of the sample injection triggering device of the present invention;

FIG. 4 is a sectional view of the syringe supporting frame according to the present invention;

fig. 5 is a block diagram of the control chip structure of the present invention.

The reference numbers in the figures illustrate:

1. a gas chromatograph; 2. a sample feeding groove; 3. a sample inlet; 4. a support plate; 5. supporting the sliding rod; 6. a support spring; 7. a needle cylinder; 8. a needle head; 9. an annular fixed plate; 10. a sample introduction trigger slot; 11. a sample introduction trigger device; 12. a control chip; 13. a workstation; 201. a needle cylinder support; 111. triggering the rotating shaft; 112. rotating the block; 113. a microswitch; 114. a reset lever; 115. a mounting bracket is reset; 116. a return spring; 901. an elastic fixing layer.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-5, a sample injection automatic triggering workstation device comprises a gas chromatograph 1, a sample injection slot 2 is disposed at the top of the gas chromatograph 1, a sample injection port 3 is disposed at the inner bottom wall of the sample injection slot 2 at the top of the gas chromatograph 1, a support plate 4 is disposed inside the sample injection slot 2, a plurality of support slide bars 5 are fixedly mounted at the inner bottom of the sample injection slot 2, the tops of the support slide bars 5 all penetrate through the support plate 4 and extend to the top of the support plate 4, the support slide bars 5 are slidably connected with the support plate 4, a support spring 6 is sleeved outside the support slide bars 5, the bottom of the support spring 6 is fixedly mounted on the inner bottom wall of the sample injection slot 2, the top of the support spring 6 is fixedly connected with the bottom of the support plate 4, a syringe 7 is disposed at the top of the support plate 4, a needle 8 is communicated with the bottom of the syringe 7, the bottom, the top of the supporting plate 4 is fixedly provided with an annular fixing plate 9 outside the needle cylinder 7, the inside of the gas chromatograph 1 is provided with sample injection trigger grooves 10 at the bottoms of the left side and the right side of the sample injection groove 2, the inside of the sample injection trigger grooves 10 is provided with a sample injection trigger device 11, the inside of the gas chromatograph 1 is provided with a control chip 12, the inside of the gas chromatograph 1 is provided with a workstation 13, the sample injection trigger device 11 is electrically connected with the control chip 12, the control chip 12 is electrically connected with the workstation 13, when in use, the needle cylinder 7 is firstly inserted into the sample injection groove 2, the needle cylinder 7 is fixed through the annular fixing plate 9, meanwhile, the needle head 8 extends into the sample injection port 3, sample injection is convenient, when sample injection work is carried out, the solution in the needle cylinder 7 enters the gas chromatograph 1 through the sample injection port 3, meanwhile, the force for pressing, the sampling trigger device 11 triggers the signal to be transmitted to the control chip 12, the control chip 12 processes the signal, then the control chip 12 instantly gives a signal for starting working to the workstation 13 and then cuts off the signal, the workstation 13 starts working after receiving the signal without manually pressing a button to trigger the workstation to record, analyze and calculate, thereby realizing the sampling automatic trigger workstation and reducing the trouble in operation.

Further, the inside fixed mounting who advances kind groove 2 has a plurality of cylinder support frames 201, and cylinder support frame 201 all contacts with the lateral wall of cylinder 7, supports cylinder 7 through cylinder support frame 201 from the side, makes cylinder 7 remain stable, has avoided advancing kind time because the operator hand rocks, leads to cylinder 7 to rock, and then leads to syringe needle 8's damage, influences and advances kind work.

Furthermore, the sampling trigger device 11 includes a trigger rotating shaft 111, the trigger rotating shaft 111 is fixedly installed inside the sampling trigger tank 10, a rotating block 112 is sleeved outside the sampling trigger tank 10, the rotating block 112 is rotatably connected with the trigger rotating shaft 111, one end of the rotating block 112 far away from the trigger rotating shaft 111 contacts with the bottom of the support plate 4, a micro switch 113 is fixedly installed on the inner wall of the sampling trigger tank 10, the micro switch 113 is electrically connected with the control chip 12, one end of the rotating block 112 far away from the support plate 4 is fixedly connected with a reset rod 114, a reset mounting frame 115 is fixedly installed on the side wall of the sampling trigger tank 10 far away from the direction of the support plate 4, the reset mounting frame 115 is rotatably connected with a reset spring 116, one end of the reset spring 116 far away from the reset mounting frame 115 is rotatably connected with the reset rod 114, the syringe 7 moves downwards during sampling, the support plate 4 is pressed to, make turning block 112 rotate around triggering pivot 111, turning block 112 contacts with micro-gap switch 113 after rotating certain angle, trigger micro-gap switch 113 and send electric signal to control chip 12, can the auto-triggering workstation when making the device advance a kind, the trouble in the operation has been reduced, when stopping advancing a kind, through reset spring 116's elasticity pulling release link 114, release link 114 drives turning block 112 and rotates, make turning block 112 reset, make advance a kind trigger device 11 and can prepare the auto-triggering workstation once more, the normal operating of device has been ensured.

Furthermore, the surface of the rotating block 112 is coated with a polytetrafluoroethylene coating, so that the friction force on the surface of the rotating block 112 is reduced, and the friction between the rotating block 112 and the support plate 4 during rotation is reduced, so that the sample injection trigger device 11 is more sensitive.

Furthermore, the microswitch 113 is a microswitch with a voltage of 12.8 Wx 5.8 Dx 6.5H, so that the sampling trigger device 11 is more sensitive on the premise of reducing false touch, and the normal operation of the device is guaranteed.

Further, the inner wall fixed mounting of annular fixed plate 9 has elastic fixing layer 901, and elastic fixing layer 901's inner wall and cylinder 7 closely laminate can fix cylinder 7 through elastic fixing layer 901, reduce cylinder 7 and rock, and because the operator hand rocks when having avoided advancing the appearance, lead to cylinder 7 to rock, and then lead to syringe needle 8's damage, influence and advance kind work.

The working principle is as follows: when the automatic trigger device is used, firstly, the needle cylinder 7 is inserted into the sample injection groove 2, the needle cylinder 7 is fixed through the annular fixing plate 9, meanwhile, the needle head 8 extends into the sample injection port 3, sample injection is facilitated, when sample injection is carried out, a solution in the needle cylinder 7 is pressed to enter the gas chromatograph 1 through the sample injection port 3, meanwhile, the force of pressing the needle cylinder 7 drives the support plate 4 to move downwards, the support plate 4 is contacted with the rotating block 112, the rotating block 112 rotates around the trigger rotating shaft 111, the rotating block 112 is contacted with the micro switch 113 after rotating for a certain angle, the micro switch 113 is triggered and sends an electric signal to the control chip 12, when sample injection is stopped, the reset rod 114 is pulled through the elastic force of the reset spring 116, the reset rod 114 drives the rotating block 112 to rotate, the rotating block 112 is reset, the sample injection trigger device 11 can be prepared for the automatic trigger work station again, the control chip 12 processes the signal, then the control chip, the workstation 13 starts to work after receiving the signal, need not to manually press the button to trigger the workstation and carry out record and analysis calculation, has realized advancing kind automatic triggering workstation, has reduced the trouble in the operation, has solved current gas chromatograph and has advanced the appearance and all to pull the valve or insert the needle then the manual button triggers the workstation and carry out record and analysis calculation, can't realize that advance the manual or automatic valve of appearance and pull the workstation and carry out the record simultaneously, causes the trouble problem in the operation.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. Advance kind automatic triggering workstation device, including gas chromatograph (1), its characterized in that: a sample injection groove (2) is formed in the top of the gas chromatograph (1), a sample injection port (3) is formed in the inner bottom wall, located in the sample injection groove (2), of the top of the gas chromatograph (1), a support plate (4) is arranged inside the sample injection groove (2), a plurality of support slide rods (5) are fixedly mounted at the inner bottom of the sample injection groove (2), the tops of the support slide rods (5) penetrate through the support plate (4) and extend to the tops of the support plate (4), the support slide rods (5) are slidably connected with the support plate (4), a support spring (6) is sleeved outside the support slide rods (5), the bottom of the support spring (6) is fixedly mounted on the inner bottom wall of the sample injection groove (2), the top of the support spring (6) is fixedly connected with the bottom of the support plate (4), and a needle cylinder (7) is arranged at the top of the support plate (, the bottom intercommunication of cylinder (7) has syringe needle (8), the bottom of syringe needle (8) runs through backup pad (4) and introduction port (3) in proper order and extends to the inside of introduction port (3), the outside fixed mounting that the top of backup pad (4) is located cylinder (7) has annular fixed plate (9), the inside of gas chromatograph (1) is located the left and right sides bottom of introduction groove (2) and has all seted up introduction trigger groove (10), the inside of introduction trigger groove (10) all is provided with introduction trigger device (11), the inside of gas chromatograph (1) is provided with control chip (12), the inside of gas chromatograph (1) is provided with workstation (13), introduction trigger device (11) is connected with control chip (12) electricity, control chip (12) are connected with workstation (13) electricity.

2. The sample injection automatic triggering workstation device according to claim 1, characterized in that: a plurality of needle cylinder support frames (201) are fixedly installed inside the sample injection groove (2), and the needle cylinder support frames (201) are all in contact with the side wall of the needle cylinder (7).

3. The sample injection automatic triggering workstation device according to claim 1, characterized in that: the sample injection trigger device (11) comprises a trigger rotating shaft (111), the trigger rotating shaft (111) is fixedly installed in the sample injection trigger groove (10), a rotating block (112) is sleeved outside the sample injection trigger groove (10), the rotating block (112) is rotatably connected with the trigger rotating shaft (111), one end, far away from the trigger rotating shaft (111), of the rotating block (112) is contacted with the bottom of the support plate (4), a micro switch (113) is fixedly installed on the inner wall of the sample injection trigger groove (10), the micro switch (113) is electrically connected with the control chip (12), a reset rod (114) is fixedly connected with one end, far away from the support plate (4), of the rotating block (112), a reset mounting frame (115) is fixedly installed on the side wall, far away from the direction of the support plate (4), of the sample injection trigger groove (10), and a reset spring (116) is rotatably connected with the reset mounting frame (115), one end, far away from the reset mounting frame (115), of the reset spring (116) is rotatably connected with the reset rod (114).

4. The sample injection automatic triggering workstation device according to claim 3, characterized in that: the surface of the rotating block (112) is sprayed with a polytetrafluoroethylene coating.

5. The sample injection automatic triggering workstation device according to claim 3, characterized in that: the microswitch (113) is a microswitch with the voltage of 12.8W multiplied by 5.8D multiplied by 6.5H.

6. The sample injection automatic triggering workstation device according to claim 1, characterized in that: an elastic fixing layer (901) is fixedly arranged on the inner wall of the annular fixing plate (9), and the inner wall of the elastic fixing layer (901) is tightly attached to the needle cylinder (7).