CN209784179U

CN209784179U - Cooling water shortage alarm device of graphite furnace atomic absorption spectrophotometer

Info

Publication number: CN209784179U
Application number: CN201920440547.1U
Authority: CN
Inventors: 孟凤娇
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-03
Filing date: 2019-04-03
Publication date: 2019-12-13
Anticipated expiration: 2029-04-03

Abstract

The utility model provides a cooling water shortage alarm device of a graphite furnace atomic absorption spectrophotometer, which relates to the technical field of detecting instruments, and comprises a photometer and a water tank, wherein a clapboard is clamped inside the water tank, water pumps are riveted on the bottom of the inner wall of the water tank and on both sides of the clapboard, rotary joints are connected on the top and the bottom of the water tank, the cooling water shortage alarm device of the graphite furnace atomic absorption spectrophotometer can detect whether circulating water flows or not, when the photometer is in shortage of circulating water and does not flow, the circulating water can be transmitted to a controller and an alarm by an electric signal mode, the purpose of alarming is achieved, the photometer is effectively prevented from being damaged due to no cooling, a connecting water pipe can be disassembled from a water inlet pipe, and the water inlet pipe can be connected with another water pump, whether the blockage is caused by the water pump is detected quickly, and meanwhile, the water pump is convenient to replace and maintain.

Description

Cooling water shortage alarm device of graphite furnace atomic absorption spectrophotometer

Technical Field

The utility model relates to a detecting instrument technical field specifically is a graphite stove atomic absorption spectrophotometer cooling water lacks water alarm device.

Background

An atomic absorption spectrophotometer is a testing instrument for analyzing metal elements according to the absorption effect of substance ground state atomic steam on characteristic radiation, the atomic absorption spectrophotometer can sensitively and reliably measure trace or trace elements, a pyrolytic graphite furnace is arranged in the graphite furnace atomic absorption spectrophotometer, the elements are heated and atomized in the pyrolytic graphite furnace to become ground state atomic steam, the characteristic radiation emitted by a hollow cathode lamp is selectively absorbed, the absorption intensity of the elements is in direct proportion to the content of the elements to be measured in a test solution in a certain concentration range, when the graphite furnace atomic absorption spectrophotometer is used, cooling water is firstly introduced into a furnace body of the graphite furnace to cool the furnace body outside the graphite furnace, the temperature of the furnace body cannot be excessively increased during working, a cooling water device for the atomic absorption spectrophotometer with application number CN201820981702.6 is cooled in a circulating water mode, but the water shortage alarm effect is avoided, and the photometer cannot be rapidly cooled due to accidents such as pipeline blockage, so that the damage of the instrument is easily caused.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a graphite stove atomic absorption spectrophotometer cooling water lacks water alarm device has solved the comparison file and has not had water shortage alarm effect, because unexpected cooling that leads to the photometer such as pipe blockage easily causes the problem of the damage of instrument.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a cooling water shortage alarm device of a graphite furnace atomic absorption spectrophotometer comprises a photometer and a water tank, wherein a partition plate is clamped in the water tank, water pumps are riveted at the bottom of the inner wall of the water tank and positioned on two sides of the partition plate, rotary connectors are connected at the top and the bottom of the water tank, a connecting water pipe is fixedly installed at one side, away from the water tank, of the rotary connector at the top of the water tank, a solenoid valve is installed inside the connecting water pipe, the end part of the connecting water pipe is connected with a water inlet pipe, one end, away from the water tank, of the water inlet pipe is connected with the water inlet end of the photometer, a flow sensor is installed inside the water inlet pipe, the end part of the rotary connector at the bottom of the water tank extends to the inside of the water tank and is connected with the water inlet end of the water pumps, a storage battery, a controller and an alarm are riveted, the controller is electrically connected with the storage battery through a lead.

Furthermore, the number of the rotary joints is four, and the four rotary joints are symmetrically distributed on two sides of the partition plate.

furthermore, the end part of the connecting water pipe at the bottom side of the water tank is connected with a water delivery pipe, the bottom of the water delivery pipe is connected with a heat dissipation box, the bottom of the heat dissipation box is fixedly connected with a water outlet pipe, and the end part of the water outlet pipe is connected with the water outlet end of the photometer.

Furthermore, the heat dissipation box is flat, and the outer wall joint of heat dissipation box has the heat dissipation fin leaf of densely covered.

Furthermore, the inner wall of the heat dissipation box is provided with densely distributed grooves, and the inner walls of the grooves are smooth.

(III) advantageous effects

The utility model provides a cooling water shortage alarm device of a graphite furnace atomic absorption spectrophotometer. The method has the following beneficial effects:

1. This graphite oven atomic absorption spectrophotometer cooling water lacks water alarm device, whether flow sensor detectable circulating water is flowing, also is when the circulating water does not flow when the photometer lacks water, and accessible electric signal mode transmits for controller and siren, reaches the purpose of reporting to the police, and the effectual photometer of having avoided can not receive the cooling and damage.

2. This graphite stove atomic absorption spectrophotometer cooling water lacks water alarm device connects and to dismantle between water pipe and the inlet tube, can be connected inlet tube and another water pump, and the short-term test is blockked up whether to be caused by the water pump, also conveniently changes the maintenance to the water pump simultaneously.

3. This graphite oven atomic absorption spectrophotometer cooling water lacks water alarm device, the heat dissipation case of having installed between photometer and water tank, the convenience is cooled down the heat dissipation to the circulating water, avoids the too high radiating effect of influence of circulating water temperature to the photometer, has prolonged the number of times of use of circulating water.

Drawings

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

FIG. 2 is a schematic view of the inside of the heat dissipation case of the present invention;

FIG. 3 is an enlarged view of A in FIG. 1;

Fig. 4 is a circuit block diagram of the present invention.

In the figure: the device comprises a photometer 1, a water tank 2, a partition plate 3, a water pump 4, a rotary joint 5, a connecting water pipe 6, an electromagnetic valve 7, a water inlet pipe 8, a flow sensor 9, a water delivery pipe 10, a heat dissipation box 11, heat dissipation fins 12, a groove 13, a water outlet pipe 14, a storage battery 15, a controller 16 and an alarm 17.

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.

The embodiment of the utility model provides a graphite furnace atomic absorption spectrophotometer cooling water shortage warning device, as shown in figure 1-4, including photometer 1 and water tank 2, the inside joint of water tank 2 has baffle 3, the water pump 4 has been riveted to the inner wall bottom of water tank 2 and both sides that lie in baffle 3, the model of water pump 4 is aghb-1, direct current output is 12V \2A, the top and the bottom of water tank 2 are connected with rotary joint 5, one side that rotary joint 5 at the top of water tank 2 keeps away from water tank 2 is fixed with connecting water pipe 6, the internally mounted of connecting water pipe 6 has solenoid valve 7, the end of connecting water pipe 6 is connected with inlet tube 8, threaded connection between connecting water pipe 6 and inlet tube 8, the one end that inlet tube 8 kept away from water tank 2 is connected with the water inlet end of photometer 1, the internally mounted of inlet tube 8 has flow sensor 9, flow sensor 9 has model DN4A, the signal output mode is the pulse, 5 tip extensions to the inside of water tank 2 of rotary joint of 2 bottoms sides of water tank and with the end connection of intaking of water pump 4, the lateral wall riveting of water tank 2 has battery 15, controller 16 and siren 17, whether flow sensor 9 detectable circulating water is flowing, also when the circulating water does not flow when photometer 1 lacks water, accessible electric signal mode transmits controller 16 and siren 17, reach the mesh of reporting to the police, because connect between water pipe 6 and the inlet tube 8 can dismantle, can be connected inlet tube 8 with another water pump 4, whether the short-term test blocks up and causes by water pump 4, siren 17, flow sensor 9, solenoid valve 7 and water pump 4 pass through wire and controller 16 electric connection, controller 16 passes through wire and battery 15 electric connection.

Wherein, the number of rotary joint 5 has four, and four rotary joint 5 symmetric distribution are in the both sides of baffle 3.

Wherein, 6 end connection of connecting pipe of 2 bottom sides of water tank have raceway 10, the bottom of raceway 10 is connected with heat dissipation case 11, the bottom fixedly connected with outlet pipe 14 of heat dissipation case 11, and the tip of outlet pipe 14 is connected with the play water end of photometer 1, heat dissipation case 11 is made for the copper product, has good heat conductivility, and flat heat dissipation case 11 has increased the area of contact with the external world when circulating the bad water and flows, conveniently leads out its inside heat, accelerates the cooling of circulating water.

Wherein, the heat dissipation case 11 is the platykurtic, and the outer wall joint of heat dissipation case 11 has the heat dissipation fin leaf 12 of densely covered, and heat dissipation fin leaf 12 has increased the exterior surface area of heat dissipation case 11, helps improving the radiating effect.

Wherein, the inner wall of the heat dissipation box 11 is provided with densely distributed grooves 13, the inner wall of each groove 13 is smooth, and the grooves 13 increase the contact area between the heat dissipation box 11 and circulating water, so that heat dissipation is accelerated.

The working principle is as follows: during the use, 4 work of water pump is dispelled the heat in 2 inside circulating water of water tank leads photometer 1 through inlet tube 8, the circulating water after the heating is cooled down through outlet pipe flow to the inside of heat dissipation case 11, back circulation through raceway 10 entering photometer 1's inside, solenoid valve 7 seals water tank 2, whether flow sensor 9 detectable circulating water is flowing, also be when the circulating water does not flow when photometer 1 lacks water, accessible electric signal mode transmits for controller 16 and siren 17, reach the mesh of reporting to the police, owing to can dismantle between connecting water pipe 6 and the inlet tube 8, can be connected inlet tube 8 and another water pump 4, whether the short-term test blocks up and causes by water pump 4.

it is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

1. The utility model provides a graphite stove atomic absorption spectrophotometer cooling water lacks water alarm device, its characterized in that, includes photometer (1) and water tank (2), the inside joint of water tank (2) has baffle (3), the inner wall bottom of water tank (2) and the both sides that are located baffle (3) all are riveted there is water pump (4), the top and the bottom of water tank (2) all are connected with rotary joint (5), one side fixed mounting that water tank (2) were kept away from in rotary joint (5) at water tank (2) top has connecting water pipe (6), the internally mounted of connecting water pipe (6) has solenoid valve (7), the end connection of connecting water pipe (6) has inlet tube (8), the one end that water tank (2) were kept away from in inlet tube (8) is connected with the end of intaking of photometer (1), the internally mounted of inlet tube (8) has flow sensor (9), the water pump is characterized in that the end part of a rotary joint (5) at the bottom side of the water tank (2) extends to the inside of the water tank (2) and is connected with the water inlet end of the water pump (4), the side wall of the water tank (2) is riveted with a storage battery (15), a controller (16) and an alarm (17), the flow sensor (9), the electromagnetic valve (7) and the water pump (4) are electrically connected with the controller (16) through wires, and the controller (16) is electrically connected with the storage battery (15) through wires.

2. The graphite furnace atomic absorption spectrophotometer cooling water lack of water alarm device of claim 1, characterized in that: the number of the rotary joints (5) is four, and the four rotary joints (5) are symmetrically distributed on two sides of the partition plate (3).

3. The graphite furnace atomic absorption spectrophotometer cooling water lack of water alarm device of claim 1, characterized in that: the device is characterized in that the end part of a connecting water pipe (6) at the bottom side of the water tank (2) is connected with a water conveying pipe (10), the bottom of the water conveying pipe (10) is connected with a heat dissipation box (11), the bottom of the heat dissipation box (11) is fixedly connected with a water outlet pipe (14), and the end part of the water outlet pipe (14) is connected with the water outlet end of the photometer (1).

4. the graphite furnace atomic absorption spectrophotometer cooling water lack of water alarm device of claim 3, characterized in that: the heat dissipation box (11) is flat, and the outer wall of the heat dissipation box (11) is clamped with densely distributed heat dissipation fin blades (12).

5. The graphite furnace atomic absorption spectrophotometer cooling water lack of water alarm device of claim 3, characterized in that: the inner wall of the heat dissipation box (11) is provided with densely distributed grooves (13), and the inner walls of the grooves (13) are smooth.