CN212207081U

CN212207081U - Atomic absorption spectrophotometer

Info

Publication number: CN212207081U
Application number: CN202020704326.3U
Authority: CN
Inventors: 余光明; 吴文套
Original assignee: Fujian Jingan Energy Saving Monitoring & Control Technology Co ltd
Current assignee: Fujian Jingan Energy Saving Monitoring & Control Technology Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2020-12-22
Anticipated expiration: 2030-04-30

Abstract

The utility model relates to an elemental analysis instrument technical field just discloses an atomic absorption spectrophotometer, including atomic absorption spectrophotometer body, the outer wall fixedly connected with of atomic absorption spectrophotometer body stores up an oxygen section of thick bamboo, and the inner wall swing joint who stores up an oxygen section of thick bamboo has rubber piston, and circular recess has been seted up to rubber piston's lateral wall, and the cell wall fixedly connected with supporting shoe of circular recess, and rubber piston's one end fixedly connected with guide arm is kept away from to the supporting shoe, and the one end fixedly connected with dog of supporting shoe is kept away from to the guide arm. The utility model discloses can ensure that the material fully burns in equipment experiment storehouse, and then ensure atomic absorption spectrophotometer test data's accuracy, also can effectively improve atomic absorption spectrophotometer's radiating efficiency, avoid atomic absorption spectrophotometer to have improved the reliability that atomic absorption spectrophotometer used because of the condition that long-time inside electron device damaged because of the high temperature of using.

Description

Atomic absorption spectrophotometer

Technical Field

The utility model relates to an elemental analysis instrument technical field especially relates to an atomic absorption spectrophotometer.

Background

The atomic absorption spectrophotometer can be used for carrying out trace (content is ug/l) determination on various metal elements by using a flame atomization method, and the trace (content is ng/l) determination on the elements is often required in the detection work, and a graphite furnace atomization method is used for determination. Some elements such as mercury and trace elements such as arsenic and selenium are difficult to directly and effectively measure by using a flame atomization method and a graphite atomization method, so that a hydride generating device is required to be used on an atomic absorption spectrophotometer, and the hydride generating device is matched with the atomic absorption spectrophotometer to achieve the purpose when in use.

When the existing atomic absorption spectrophotometer is used, the defect of insufficient oxygen supply exists due to the fact that an experiment bin is closed, materials cannot be sufficiently combusted in the experiment bin, and accuracy of element detection data is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art atomic absorption spectrophotometer and comparatively sealing the defect that has the oxygen suppliment not enough because of the experiment storehouse when using, lead to the unable abundant burning of material in the experiment storehouse, and then influence the problem of element detection data accuracy, and the atomic absorption spectrophotometer that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an atomic absorption spectrophotometer comprises an atomic absorption spectrophotometer body, wherein an oxygen storage cylinder is fixedly connected to the outer wall of the atomic absorption spectrophotometer body, a rubber piston is movably connected to the inner wall of the oxygen storage cylinder, a circular groove is formed in the side wall of the rubber piston, a supporting block is fixedly connected to the groove wall of the circular groove, a guide rod is fixedly connected to one end, away from the rubber piston, of the supporting block, a stop block is fixedly connected to one end, away from the supporting block, of the guide rod, a return spring is movably sleeved on the rod wall of the guide rod, two ends of the return spring are respectively fixedly connected with the outer wall of the oxygen storage cylinder and the outer wall of the stop block, a control valve is fixedly communicated with the side wall of the oxygen storage cylinder, an air pipe is fixedly communicated with the output end of the control valve, a check valve is fixedly communicated with the bottom end of the air pipe, and the bottom end of the, the upper surface of the atomic absorption spectrophotometer body is fixedly connected with a heat dissipation mechanism.

Preferably, heat dissipation mechanism includes the bellows with atomic absorption spectrophotometer body upper surface fixed connection, the top inner wall fixedly connected with of bellows supports the otter board, the last fixed surface who supports the otter board is connected with driving motor, driving motor's output passes the lower surface and the fixedly connected with flabellum that support the otter board, the equal fixedly connected with connecting pipe of both ends lateral wall of bellows, two the bottom of connecting pipe communicates with the both sides outer wall of atomic absorption spectrophotometer body is fixed respectively.

Preferably, a plurality of heat dissipation holes are formed in the outer wall of the atomic absorption spectrophotometer body, and the hole walls of the heat dissipation holes are fixedly connected with dust screens.

Preferably, the side wall of the oxygen storage cylinder is fixedly communicated with an oxygen adding valve.

Preferably, four corners of the lower surface of the atomic absorption spectrophotometer body are fixedly connected with cushion blocks.

Compared with the prior art, the utility model provides an atomic absorption spectrophotometer possesses following beneficial effect:

1. the atomic absorption spectrophotometer comprises an oxygen storage cylinder, a return spring, a rubber piston and a one-way valve, when the atomic absorption spectrophotometer body is used for analyzing materials, firstly, the control valve is opened, the oxygen quantity is controlled, the oxygen enters the air pipe from the oxygen storage cylinder, then the oxygen enters the experiment bin of the atomic absorption spectrophotometer body through the one-way valve, oxygen supplement is carried out on the experimental chamber so that the material can be fully combusted in the experimental chamber, the condition that the detection data is influenced due to insufficient combustion of the material is avoided, when the pressure of the oxygen in the oxygen storage cylinder is insufficient, the elasticity of the return spring pushes the rubber piston to move through the stop block, the guide rod and the supporting block, the rubber piston pushes the oxygen in the oxygen storage cylinder to enter the air pipe, the mechanism can ensure that the material is fully combusted in the equipment experiment chamber, and further ensure the accuracy of the detection data of the atomic absorption spectrophotometer.

2. This atomic absorption spectrophotometer, through being provided with driving motor, flabellum and connecting pipe, when atomic absorption spectrophotometer body uses for a long time, through starting driving motor, driving motor makes the flabellum rotate, inside the flabellum makes the air in the bellows pass through the connecting pipe and carries the atomic absorption spectrophotometer body, accelerate the inside air flow of atomic absorption spectrophotometer body, and make its inside heat discharge from the louvre fast, this mechanism can effectively improve atomic absorption spectrophotometer's radiating efficiency, avoid atomic absorption spectrophotometer because of the condition that uses inside electron device to damage because of the high temperature for a long time, and then improved the reliability that atomic absorption spectrophotometer used.

The device does not relate to the part all the same with prior art or can adopt prior art to realize, the utility model discloses can ensure that the material fully burns in the equipment experiment storehouse, and then ensure atomic absorption spectrophotometer test data's accuracy, also can effectively improve atomic absorption spectrophotometer's radiating efficiency, avoid atomic absorption spectrophotometer because of the condition that long-time use inside electron device damaged because of the high temperature, improved the reliability that atomic absorption spectrophotometer used.

Drawings

Fig. 1 is a schematic structural diagram of an atomic absorption spectrophotometer according to the present invention;

fig. 2 is a schematic structural diagram of a portion a of an atomic absorption spectrophotometer according to the present invention.

In the figure: 1. an atomic absorption spectrophotometer body; 2. an oxygen storage cylinder; 3. a rubber piston; 4. a support block; 5. a guide bar; 6. a stopper; 7. a return spring; 8. a control valve; 9. a heat dissipation mechanism; 91. an air box; 92. supporting the screen plate; 93. a drive motor; 94. a fan blade; 95. a connecting pipe; 10. an air tube; 11. a one-way valve; 12. a dust screen; 13. an oxygen valve; 14. and a cushion block.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, an atomic absorption spectrophotometer comprises an atomic absorption spectrophotometer body 1, an oxygen storage cylinder 2 is fixedly connected to the outer wall of the atomic absorption spectrophotometer body 1, a rubber piston 3 is movably connected to the inner wall of the oxygen storage cylinder 2, a circular groove is formed in the side wall of the rubber piston 3, a supporting block 4 is fixedly connected to the groove wall of the circular groove, a guide rod 5 is fixedly connected to one end of the supporting block 4, which is far away from the rubber piston 3, a stop block 6 is fixedly connected to one end of the guide rod 5, which is far away from the supporting block 4, a return spring 7 is movably sleeved on the rod wall of the guide rod 5, two ends of the return spring 7 are respectively and fixedly connected to the outer wall of the oxygen storage cylinder 2 and the outer wall of the stop block 6, a control valve 8 is fixedly communicated to the side wall of the oxygen storage cylinder 2, an air pipe 10 is fixedly communicated to the output end of the control valve 8, a check valve 11 is fixedly communicated, the mechanism can ensure that the material is fully combusted in the equipment experiment chamber, and further ensure the accuracy of the detection data of the atomic absorption spectrophotometer.

The upper surface of the atomic absorption spectrophotometer body 1 is fixedly connected with a heat dissipation mechanism 9, the heat dissipation mechanism 9 comprises an air box 91 fixedly connected with the upper surface of the atomic absorption spectrophotometer body 1, the inner wall of the top end of the air box 91 is fixedly connected with a supporting screen plate 92, the upper surface of the supporting screen plate 92 is fixedly connected with a driving motor 93, the driving motor 93 is electrically connected with an external power supply through a control switch, the electrical connection is the prior art and belongs to the conventional technical means of people in the field, therefore, the description is omitted, the output end of the driving motor 93 penetrates through the lower surface of the supporting screen plate 92 and is fixedly connected with a fan blade 94, the side walls of the two ends of the air box 91 are fixedly connected with connecting pipes 95, the bottom ends of the two connecting pipes 95 are respectively and fixedly communicated with the outer walls of the two sides of the atomic absorption spectrophotometer, the condition that the atomic absorption spectrophotometer is damaged due to high temperature caused by long-time use of internal electronic devices is avoided, and the use reliability of the atomic absorption spectrophotometer is further improved.

A plurality of louvres have been seted up to atomic absorption spectrophotometer body 1's outer wall, and the pore wall fixedly connected with dust screen 12 of louvre, and inside dust screen 12 can prevent that the dust from entering into atomic absorption spectrophotometer body 1, the inside cleanness of guarantee atomic absorption spectrophotometer body 1.

The side wall of the oxygen storage cylinder 2 is fixedly communicated with an oxygen adding valve 13, and the oxygen adding valve 13 can supplement oxygen inside the oxygen storage cylinder 2.

Cushion blocks 14 are fixedly connected to four corners of the lower surface of the atomic absorption spectrophotometer body 1.

In the utility model, when the atomic absorption spectrophotometer body 1 is used for analyzing materials, firstly, the control valve 8 is opened, the oxygen amount is controlled, the oxygen enters the air pipe 10 from the oxygen storage cylinder 2, then the oxygen enters the experiment bin of the atomic absorption spectrophotometer body 1 through the one-way valve 11, the oxygen is supplemented to the experiment bin, so that the materials can be fully combusted in the experiment bin, the condition that the material is insufficiently combusted to influence the detection data is avoided, when the oxygen pressure in the oxygen storage cylinder 2 is insufficient, the elasticity of the reset spring 7 pushes the rubber piston 3 to move through the baffle 6, the guide rod 5 and the supporting block 4, the rubber piston 3 pushes the oxygen in the oxygen storage cylinder 2 to enter the air pipe 10, the mechanism can ensure the materials to be fully combusted in the equipment experiment bin, the accuracy of the detection data of the atomic absorption spectrophotometer is further ensured, when the atomic absorption spectrophotometer body 1 is used for a long time, through starting driving motor 93, driving motor 93 makes flabellum 94 rotate, flabellum 94 makes the air in bellows 91 carry atomic absorption spectrophotometer body 1 inside through connecting pipe 95, accelerate the internal air flow of atomic absorption spectrophotometer body 1, and make its inside heat discharge from the louvre fast, this mechanism can effectively improve atomic absorption spectrophotometer's radiating efficiency, avoid atomic absorption spectrophotometer because of the condition that uses inside electron device for a long time and damage because of the high temperature, and then improved the reliability that atomic absorption spectrophotometer used.

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

1. An atomic absorption spectrophotometer comprises an atomic absorption spectrophotometer body (1) and is characterized in that an oxygen storage cylinder (2) is fixedly connected to the outer wall of the atomic absorption spectrophotometer body (1), a rubber piston (3) is movably connected to the inner wall of the oxygen storage cylinder (2), a circular groove is formed in the side wall of the rubber piston (3), a supporting block (4) is fixedly connected to the groove wall of the circular groove, a guide rod (5) is fixedly connected to one end, far away from the rubber piston (3), of the supporting block (4), a stop block (6) is fixedly connected to one end, far away from the supporting block (4), of the guide rod (5), a reset spring (7) is movably sleeved on the rod wall of the guide rod (5), two ends of the reset spring (7) are fixedly connected with the outer wall of the oxygen storage cylinder (2) and the outer wall of the stop block (6) respectively, a control valve (8) is fixedly communicated with the side wall, the output end of control valve (8) is fixed the intercommunication and is had trachea (10), the bottom mounting intercommunication of trachea (10) has check valve (11), the bottom of check valve (11) and the fixed intercommunication of experiment storehouse outer wall of atomic absorption spectrophotometer body (1), the last fixed surface of atomic absorption spectrophotometer body (1) is connected with heat dissipation mechanism (9).

2. The atomic absorption spectrophotometer according to claim 1, wherein the heat dissipation mechanism (9) comprises a wind box (91) fixedly connected with the upper surface of the atomic absorption spectrophotometer body (1), a supporting screen (92) is fixedly connected with the inner wall of the top end of the wind box (91), a driving motor (93) is fixedly connected with the upper surface of the supporting screen (92), the output end of the driving motor (93) penetrates through the lower surface of the supporting screen (92) and is fixedly connected with fan blades (94), connecting pipes (95) are fixedly connected with the side walls of the two ends of the wind box (91), and the bottom ends of the two connecting pipes (95) are respectively fixedly communicated with the outer walls of the two sides of the atomic absorption spectrophotometer body (1).

3. The atomic absorption spectrophotometer according to claim 1, wherein the atomic absorption spectrophotometer body (1) has a plurality of heat dissipation holes formed on the outer wall thereof, and a dust screen (12) is fixedly connected to the wall of each heat dissipation hole.

4. An atomic absorption spectrophotometer according to claim 1, wherein the side wall of the oxygen storage cylinder (2) is fixedly communicated with an oxygen adding valve (13).

5. An atomic absorption spectrophotometer according to claim 1, characterized in that said atomic absorption spectrophotometer body (1) has pads (14) fixedly attached to four corners of its lower surface.