CN212134299U

CN212134299U - Appearance is cleared up to quality of water

Info

Publication number: CN212134299U
Application number: CN202020840011.1U
Authority: CN
Inventors: 王相; 田聪聪; 卢中奎; 庞喜龙; 王钟轩
Original assignee: Weihai Jingxun Changtong Electronic Technology Co Ltd
Current assignee: Weihai Jingxun Changtong Electronic Technology Co Ltd
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2020-12-11
Anticipated expiration: 2030-05-19

Abstract

The utility model provides a water quality digestion instrument, which belongs to the technical field of water quality detection. The technical scheme is as follows: the water quality digestion instrument is characterized by comprising a shell, wherein a heating cavity enclosed by heat insulation materials is arranged in the shell, a heating structure is arranged in the heating cavity, the heating structure comprises a digestion aluminum block, a plurality of test tube placing openings are formed in the top of the digestion aluminum block, a plurality of heating body placing openings are formed in the digestion aluminum block and positioned below the test tube placing openings, heating bodies are arranged in the heating body placing openings, and the digestion aluminum block is arranged in the heating cavity; the heating device also comprises a control system arranged on the shell, and the control system is electrically connected with the heating body through a lead. The utility model has the advantages that: novel structure, can guarantee sufficient heat.

Description

Appearance is cleared up to quality of water

Technical Field

The utility model relates to a water quality testing technical field especially relates to an appearance is cleared up to quality of water.

Background

With the attention of the country to environmental protection in recent years, the industry of water quality detectors has been rapidly developed. The water quality measuring instruments on the current market are various in brand and are not good. Among the various water quality testing indicators, there are conventional comprehensive water quality indicators such as: when indexes such as COD, total phosphorus, total nitrogen and the like are detected, digestion pretreatment is needed to determine the result. The digestion instrument is used for carrying out digestion pretreatment on a water sample. The general testing procedure was: taking a quantitative water sample to be measured into a special digestion tube, then putting the special digestion tube into a heating body of a digestion instrument, carrying out timing heating treatment at a specified constant temperature, and finally measuring a result. Therefore, the water quality digestion instrument has the function of providing a constant-temperature heating device for the water sample testing process. The digestion instrument needs to output an accurate and constant temperature for water sample digestion.

The appearance is cleared up to current quality of water in the market, because appearance and inner structure design are not enough, can't guarantee sufficient heat.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel structure can guarantee sufficient thermal quality of water and clear up the appearance.

The utility model discloses a realize through following technical scheme: the water quality digestion instrument is characterized by comprising a shell, wherein a heating cavity enclosed by heat insulation materials is arranged in the shell, a heating structure is arranged in the heating cavity, the heating structure comprises a digestion aluminum block, a plurality of test tube accommodating openings are formed in the top of the digestion aluminum block, a plurality of heating body accommodating openings are formed in the digestion aluminum block and positioned below the test tube accommodating openings, heating bodies are arranged in the heating body accommodating openings, and the digestion aluminum block is arranged in the heating cavity;

the heating device also comprises a control system arranged on the shell, and the control system is electrically connected with the heating body through a lead. It adopts integrated into one piece to clear up the aluminium pig, the test tube is laid mouthful and is used for putting into the water sample, the heating member is the heater strip, the heater strip passes through the screw setting and is in clear up on the aluminium pig.

Clear up on the aluminium pig and be located it is provided with the asbestos board to clear up the periphery of aluminium pig, it is slightly higher than to clear up the aluminium pig the asbestos board, clear up the aluminium pig with be provided with the heat insulating board between the casing, the casing supports on the heat insulating board, on the heat insulating board with the test tube is laid mouthful corresponding position and all is provided with the opening. The heat insulation plate is made of a PTFE plate. Thus, the heat can be conveniently stored and the internal heat preservation can be realized.

The casing includes the detachable bottom plate, the bottom plate is provided with a plurality of rubber foot pad, the side of casing is provided with the louvre.

The lower end of the digestion aluminum block is provided with a plurality of heat insulation columns, and the lower ends of the heat insulation columns are arranged on the shell. The heat insulation column adopts a tetrafluoro column.

The test tube placing openings are uniformly distributed in a plurality of rows, and each row is correspondingly provided with one heating body placing opening. Thus, each test tube accommodating port can be conveniently heated.

The control system comprises a display screen and a temperature acquisition probe, the temperature acquisition probe and the display screen are electrically connected with the single chip microcomputer, and the temperature acquisition probe is positioned on the upper part of the digestion aluminum block. Be provided with the sticker on the display screen, be provided with power socket and control switch on the casing, control switch pass through the wire with the singlechip is connected, the singlechip is through passing the wire in heating chamber the heating member with the temperature acquisition probe electricity is connected. Any 16 pins of the single chip microcomputer are recombined into a new group, the new group is linked with the data bits of the display screen for data exchange, and the NC pin is set into two input modes for controlling whether the data bits adopt 8 bits or 16 bits. The display screen is used for setting to realize the desired constant temperature time and the desired constant temperature. After the constant temperature is set, the single chip microcomputer can control the heating body to realize heating, and the interface display state of the display screen is heating; when the temperature reaches the rated temperature, the display state of the interface is constant temperature; and starting countdown at constant temperature until the countdown is zero resolution, and ending the interface display state.

The heating body is connected with a relay in series, the single chip microcomputer can control the on-off of the relay, for constant temperature treatment, when constant temperature is reached, heating can be stopped, the temperature can also rise by 0.5-1 ℃, the temperature can slowly fall along with the lapse of time, when the temperature drops below the constant temperature by 0.5 ℃, the relay is conducted, heating is carried out until the constant temperature is reached, the process is stopped, and the process is repeated repeatedly until the rated time is reached. The single chip microcomputer is also electrically connected with a buzzer, and the buzzer can generate 3-second prompt sound after digestion is finished.

The temperature acquisition probe comprises a PT100 platinum thermal resistor and a 10 omega resistor connected with the Pt100 platinum thermal resistor in series. The resistance of the PT100 is acquired through series flow voltage division, and therefore the current temperature is calculated.

And the negative backlight end of the display screen adopts a triode as a switch. For use in adjusting backlight brightness.

The lower end of the digestion aluminum block is provided with a plurality of threaded holes, and the heat insulation columns are arranged on the digestion aluminum block through threaded connection.

And fireproof flexible materials are filled in the heating cavity and around the digestion aluminum block. The fireproof flexible material is fireproof cotton, and the fireproof cotton surrounds the digestion aluminum block, so that the effect of heat preservation after heating can be achieved, and heat is prevented from being dissipated.

The content that is not described in detail in this application can be implemented by using the prior art, and is not described in detail herein.

The utility model has the advantages that: the heating structure and the single chip microcomputer are structurally separated through a heating cavity, so that the interference of a heating part on the single chip microcomputer is prevented; the tetrafluoro plate separates the shell from the heating cavity, so that the temperature of the shell is not increased under the influence of heating under the condition of ensuring the temperature in the heating cavity; the asbestos pad ensures the temperature of the internal environment of the heating cavity and plays a role in heat preservation; the heating body in the heating cavity adopts a heating wire, the heating wire is positioned in the heating body placing port at the bottom of the digestion aluminum block, heat is conducted to the whole digestion aluminum block after heating, and the digestion aluminum block plays a role in integral heating, so that the digestion solution is ensured to be uniformly heated; the digestion aluminum block is arranged on the tetrafluoro column, so that the influence of the heating structure on the bottom plate can be isolated; the heating chamber is filled with fireproof cotton, and the fireproof cotton can play a role in heat preservation after heating and does not dissipate heat.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural view with the housing removed.

Fig. 3 is a schematic diagram of the internal structure.

FIG. 4 is a schematic structural diagram of the digestion aluminum block.

Fig. 5 is a circuit diagram of the display panel.

Fig. 6 is a circuit diagram of a temperature acquisition probe.

Wherein the reference numerals are: 1. a housing; 2. a heating structure; 3. a control system; 4. a heat insulation plate; 5. a heating cavity; 6. an asbestos sheet; 101. heat dissipation holes; 102. a base plate; 103. a rubber foot pad; 201. digesting the aluminum block; 202. a test tube placement port; 203. a heating body placement opening; 204. a probe mounting port; 205. screw holes; 206. a heat insulating column; 301. a display screen; 302. pasting a paper; 303. a single chip microcomputer; 304. a power outlet; 305. and controlling the switch.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.

Referring to fig. 1-6, the utility model relates to a water quality digestion instrument, which comprises a shell 1, wherein a heating cavity 5 enclosed by heat insulating materials is arranged in the shell 1, a heating structure 2 is arranged in the heating cavity 5, the heating structure 2 comprises a digestion aluminum block 201, the top of the digestion aluminum block 201 is provided with a plurality of test tube accommodating openings 202, a plurality of heating body accommodating openings 203 are arranged on the digestion aluminum block 201 and below the test tube accommodating openings 202, heating bodies are arranged in the heating body accommodating openings 203, and the digestion aluminum block 201 is arranged in the heating cavity 5;

the heating device also comprises a control system 3 arranged on the shell 1, and the control system 3 is electrically connected with the heating body through a lead. Clear up aluminium piece 201 and adopt integrated into one piece, mouth 202 is laid to the test tube is used for putting into the water sample, and the heating member is the heater strip, and the heater strip is through the screw setting on clearing up aluminium piece 201, clears up and is provided with screw hole 205 on the aluminium piece 201.

Clear up on aluminium piece 201 and be located the periphery of clearing up aluminium piece 201 and be provided with asbestos board 6, clear up aluminium piece 201 and be a little higher than asbestos board 6, clear up and be provided with heat insulating board 4 between aluminium piece 201 and the casing 1, casing 1 supports on heat insulating board 4, lays the corresponding position of mouthful 202 with the test tube on heat insulating board 4 and all is provided with the opening. The heat insulation plate 4 is made of a PTFE plate. Thus, the heat can be conveniently stored and the internal heat preservation can be realized.

The casing 1 comprises a detachable bottom plate 102, the bottom plate 102 is provided with a plurality of rubber foot pads 103, and heat dissipation holes 101 are formed in the side face of the casing 1.

The lower end of the digestion aluminum block 201 is provided with a plurality of heat insulation columns 206, and the lower ends of the heat insulation columns 206 are arranged on the shell 1. The heat insulation column 206 is a tetrafluoro column.

The test tube placing openings 202 are uniformly distributed with a plurality of rows, and each row is correspondingly provided with a heating body placing opening 203. This facilitates heating of each test tube seating port 201. Four heating body placing ports 203 are provided, and 4 × 4 test tube placing ports 202 are provided.

The control system 3 comprises a display screen 301 and a temperature acquisition probe, the temperature acquisition probe and the display screen 301 are electrically connected with a single chip microcomputer 303, and the temperature acquisition probe is positioned on the upper part of the digestion aluminum block 201. Clear up the upper portion of aluminium pig 201 and be provided with probe mounting hole 204, temperature acquisition probe stretches into in probe mounting hole 204, and this design can improve heating efficiency, guarantees the accuracy of temperature.

The display screen 301 is provided with a paster 302, the shell 1 is provided with a power socket 304 and a control switch 305, the control switch 305 is connected with a single chip microcomputer 303 through a wire, and the single chip microcomputer 303 is electrically connected with a temperature acquisition probe through a wire heating body penetrating through the heating cavity 5. Any 16 pins of the singlechip 303 are recombined into a new group, the new group is linked with the data bits of the display screen 301 for data exchange, and the NC pin is set into two input modes for controlling whether the data bits adopt 8 bits or 16 bits. The desired constant temperature time and temperature are achieved by setting through the display 301. After the constant temperature is set, the single chip microcomputer 303 can control the heating body to realize heating, and the interface display state of the display screen 301 is heating; when the temperature reaches the rated temperature, the display state of the interface is constant temperature; and starting countdown at constant temperature until the countdown is zero resolution, and ending the interface display state.

The heating body is connected with a relay in series, the single chip microcomputer 303 can control the on-off of the relay, for constant temperature treatment, when constant temperature is reached, heating can be stopped, the temperature can also rise by 0.5-1 ℃, the temperature can slowly fall along with the lapse of time, when the temperature drop degree is lower than the constant temperature by 0.5 ℃, the relay is conducted, heating is carried out until the constant temperature is reached, the process is stopped, and the process is repeated repeatedly until the rated time is reached. The single chip microcomputer 303 is also electrically connected with a buzzer, and the buzzer can generate a 3-second prompt sound after digestion is finished.

The temperature acquisition probe comprises a PT100 platinum thermal resistor and a 10 omega resistor connected in series with the Pt100 platinum thermal resistor. The resistance of the PT100 is acquired through series flow voltage division, and therefore the current temperature is calculated.

The negative side of the backlight of the display screen 301 uses a triode as a switch. For use in adjusting backlight brightness.

Clear up the lower extreme of aluminium piece 201 and be provided with a plurality of screw hole, thermal-insulated post 206 sets up through threaded connection on clearing up aluminium piece 201.

Fireproof flexible materials are filled in the heating cavity 5 and around the digestion aluminum block 201. The fireproof flexible material is fireproof cotton, and the fireproof cotton surrounds the digestion aluminum block, so that the effect of heat preservation after heating can be achieved, and heat is prevented from being dissipated.

The use method comprises the following steps: to clear up solution and put into and clear up the container, clear up the container and place in test tube safety mouth 201, start pipe control switch 305, the heating wire heats solution of clearing up, monitors the temperature in real time through the temperature acquisition probe, after reaching display screen 301's settlement temperature, singlechip 303 control relay disconnection, after the temperature drops, singlechip 303 control relay is closed, the heater strip continues to heat and breaks off after reaching the settlement temperature, makes the device remain constant temperature throughout.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, unless otherwise specified, "a plurality" means two or more.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning 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 creation of the present invention can be understood by those of ordinary skill in the art through specific situations.

The technical features that the utility model has not been described can be realized through or adopt prior art, and no longer give unnecessary details here, and of course, the above-mentioned explanation is not right the utility model discloses a restriction, the utility model discloses also not only be limited to the above-mentioned example, ordinary skilled person in this technical field is in the utility model discloses a change, modification, interpolation or replacement made in the essential scope also should belong to the utility model discloses a protection scope.

Claims

1. The water quality digestion instrument is characterized by comprising a shell, wherein a heating cavity enclosed by heat insulation materials is arranged in the shell, a heating structure is arranged in the heating cavity, the heating structure comprises a digestion aluminum block, a plurality of test tube accommodating openings are formed in the top of the digestion aluminum block, a plurality of heating body accommodating openings are formed in the digestion aluminum block and positioned below the test tube accommodating openings, heating bodies are arranged in the heating body accommodating openings, and the digestion aluminum block is arranged in the heating cavity;

the heating device also comprises a control system arranged on the shell, and the control system is electrically connected with the heating body through a lead.

2. The water quality digestion instrument according to claim 1, characterized in that the periphery of the digestion aluminum block is provided with an asbestos plate, the digestion aluminum block is slightly higher than the asbestos plate, a heat insulation plate is arranged between the digestion aluminum block and the shell, the shell abuts against the heat insulation plate, and the positions of the heat insulation plate corresponding to the test tube placing openings are provided with through openings.

3. The water quality digestion apparatus according to the claim 1, characterized in that the housing comprises a detachable bottom plate, the bottom plate is provided with a plurality of rubber foot pads, and the side of the housing is provided with heat dissipation holes.

4. The water quality digestion instrument according to the claim 1, characterized in that the lower end of the digestion aluminum block is provided with a plurality of heat insulation columns, and the lower ends of the heat insulation columns are arranged on the shell.

5. The water quality digestion instrument according to claim 1, wherein a plurality of rows of the test tube placing ports are uniformly distributed, and each row is correspondingly provided with one heating body placing port.

6. The water quality digestion instrument according to claim 1, wherein the control system comprises a display screen and a temperature acquisition probe, the temperature acquisition probe and the display screen are both electrically connected with a single chip microcomputer, and the temperature acquisition probe is positioned at the upper part of the digestion aluminum block.

7. The water quality digestion instrument according to claim 6, wherein the temperature collection probe comprises a PT100 platinum thermistor and a 10 Ω resistor in series with the PT100 platinum thermistor.

8. The water quality digestion instrument according to claim 6, characterized in that the negative end of the backlight of the display screen adopts a triode as a switch.

9. The water quality digestion instrument according to claim 4, characterized in that the lower end of the digestion aluminum block is provided with a plurality of threaded holes, and the heat insulation column is arranged on the digestion aluminum block through threaded connection.

10. The water quality digestion instrument according to claim 1, wherein the fire-proof flexible material is filled in the heating cavity and around the digestion aluminum block.