CN217304813U

CN217304813U - Water filtering time measuring device

Info

Publication number: CN217304813U
Application number: CN202220006400.3U
Authority: CN
Inventors: 张同征; 钟滔; 李雅琳
Original assignee: Situofan Biotechnology Hangzhou Co ltd
Current assignee: Situofan Biotechnology Hangzhou Co ltd
Priority date: 2022-01-04
Filing date: 2022-01-04
Publication date: 2022-08-26
Anticipated expiration: 2032-01-04

Abstract

The utility model discloses a drainage time measuring device. Including installing support, test tube, titration case, sensor module, terminal box, display screen and a plurality of paper awl, the installing support is installed at the up end of titrating the case, the test tube contains a plurality of, and a plurality of test tube evenly arranges on the installing support, the test tube is connected with the front side of installing support, paper awl and sensor module all with the quantity phase-match of test tube, sensor module is connected with the test tube, install the solid fixed ring of a plurality of on the installing support, gu be equipped with the through-hole on the fixed ring, the paper awl is arranged in on the through-hole, the terminal box is arranged at the rear side of installing support and is connected with the titration case, the display screen sets up the side at the installing support, the one end that the display screen is close to the installing support is connected with the regulating block, install adjusting bolt on the regulating block, the regulating block cup joints the side at the installing support. The utility model has the advantages that: the working efficiency is improved.

Description

Water filtering time measuring device

Technical Field

The utility model relates to a chemical analysis filter paper correlation technique field especially indicates a drainage time survey device.

Background

The filter paper is paper with good filtering performance, is loose and has strong liquid absorption performance. Analytical laboratories often use filter paper as the filtration medium to separate the solution from the solid. Filter paper can be generally classified into qualitative and quantitative. In analytical chemistry applications, the residue collected on the filter paper after the inorganic compound had separated the precipitate by filtration can be used to calculate the run-off rate during the experiment. The qualitative filter paper is filtered to generate more cotton fibers, so that the qualitative filter paper is only suitable for qualitative analysis; quantitative filter papers, particularly ashless grade filter papers, are more effective against chemical reactions by special treatment procedures and therefore produce fewer impurities and are useful for quantitative analysis. The general device for testing the quality of the quantitative filter paper comprises a measuring cylinder, a beaker, a stopwatch and a thermometer, has a simple and crude structure, can only measure the sample filter paper one by one, reads the water level line on the beaker, and measures the time of the water passing through the filter paper reaching the specified water level line through the stopwatch, thereby increasing the working time and reducing the working efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model provides an overcome the not enough of filter paper testing arrangement reduction work efficiency among the prior art, provide an improve work efficiency's drainage time survey device.

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

a water filtration time measuring device comprises a mounting support, test tubes, a titration box, a sensor assembly, a junction box, a display screen and a plurality of paper cones, wherein the bottom end of the mounting support is mounted on the upper end face of the titration box, the test tubes comprise a plurality of test tubes which are uniformly arranged on the mounting support at intervals, the test tubes are connected with the front side of the mounting support, the paper cones and the sensor assembly are matched with the number of the test tubes, the sensor assembly is arranged between the mounting support and the test tubes and connected with the test tubes, a plurality of fixing rings are mounted on the mounting support and arranged above the test tubes, through holes are arranged on the fixing rings, the paper cones are arranged on the through holes, the junction box is arranged on the rear side of the mounting support and connected with the titration box, the display screen is arranged beside the mounting support, and one end of the display screen close to the mounting support is connected with an adjusting block, the adjusting block is provided with an adjusting bolt and is sleeved on the side edge of the mounting support, the display screen is provided with a plurality of control buttons, and the control buttons are respectively electrically connected with the sensor assembly and the junction box.

The mounting frame and the titration box are mounted, a plurality of test tubes are uniformly mounted on the mounting bracket at intervals, the sensor assembly is arranged between the mounting frame and the test tubes, the sensor assembly is connected with the test tubes, the junction box is mounted on the titration box, the display screen is connected with the mounting bracket through the adjusting block, the adjusting block is in sliding connection with the mounting bracket, the adjusting bolt is used for adjusting and fastening the position of the adjusting block, the adjusting block and the adjusting bolt are designed to adjust the height of the display screen according to different heights of workers, the use is convenient, the test filter paper is folded into a paper cone and is placed on a through hole of a fixing ring after being wetted, water flows into the test tubes, and the fixing ring is used for placing the test filter paper, so that the titration box replaces a traditional beaker and is used for collecting enough liquid, the water pouring time is omitted, and unnecessary test time is shortened, the sensor assembly is used for sensing the time when the water level reaches a specified target position in the test process, and transmitting time information to the display screen, so that the errors generated by the traditional stopwatch and the visual observation of the water level are replaced, the test rigidness is increased, the test errors are reduced, a plurality of sample filter papers can be tested at the same time, and the purpose of improving the working efficiency is achieved by the design.

As preferred, the installing support front side is equipped with pipe support one and pipe support two, pipe support one sets up the upper end at the test tube, pipe support two sets up the lower extreme at the test tube, the one end and the installing support connection of pipe support one, the other end of pipe support one cup joints with the upper end of test tube, the one end and the installing support connection of pipe support two, the lower extreme of test tube is connected with the rubber tube, the other end and the rubber tube of pipe support two are connected, install electric control valve on the rubber tube, electric control valve is connected with the control button electricity. Pipe support one and pipe support two are convenient for the test tube and are connected with the installing support, and the stability of the test tube of being convenient for finishes pipe support one and pipe support two with the installing support connection back, cup joints test tube and pipe support one, and the rubber tube is connected with pipe support two with the test tube connection back to be connected automatically controlled valve and control button electricity, automatically controlled valve is used for opening and shutting of control rubber tube and tightens up, is convenient for control the flow of the intraductal liquid of test tube.

Preferably, install the sleeve pipe on the pipe support one, sheathed tube diameter is greater than the diameter of test tube, the sleeve pipe cup joints on the outer wall of test tube, the upper and lower both ends of intraductal wall of cover all are connected with annular sand grip, annular sand grip contacts with the outer wall of test tube. The sleeve pipe cup joints at the test tube outer wall, and the annular sand grip in the sleeve pipe is convenient for increase the compactness of being connected with the test tube, prevents that the test tube from receiving the influence of gravity to produce the gliding in the sleeve pipe, increases the steadiness of connecting.

Preferably, sensor assembly includes first sensor, second sensor and third sensor, first sensor, second sensor and third sensor all with the quantity phase-match of test tube, first sensor, second sensor and third sensor assembly from the bottom up arrange in order between installing support and test tube and be connected with the test tube. Sensor assembly divide into first sensor, second sensor and third sensor, all connects first sensor, second sensor and third sensor on every test tube, and first sensor, second sensor and third sensor assembly from the bottom up arrange in order, are convenient for real-time recording water level arrival target liquid level's time.

As preferred, the rear side of installing support is equipped with the bracing piece that a plurality of and test tube match, first sensor, second sensor and third sensor all include sensor body, supporting seat and the lantern ring, the one end of supporting seat is connected with the locking bolt, the position department that is close to the locking bolt on the supporting seat is equipped with the locking hole, the locking is downthehole in arranging in to the bracing piece, the locking bolt passes to be connected with the bracing piece behind the locking hole, the fixing base is installed to the other end of supporting seat, the bottom and the fixing base of sensor body are connected, the one end of the lantern ring is cup jointed on sensor body, the other pot head of the lantern ring is established on the test tube, sensor body passes through the lantern ring and is connected with the test tube, be connected with the sensing line on the sensor body, the sensing line is connected with the terminal box. The bracing piece adopts stainless steel, and locking bolt on the supporting seat is connected with the bracing piece, increases the stability that supporting seat and bracing piece are connected, and can be according to actual required, and the position of control locking bolt regulation supporting seat, and is easy and simple to handle, installs the sensor body on the fixing base, and the lantern ring is connected the sensor body with the test tube, prevents that the sensor body from rocking wantonly, is connected sensing line and terminal box.

Preferably, a plurality of wiring terminals are installed in the wiring box, a plurality of through hole is formed in the wiring box, the sensing line penetrates through the through hole and then is connected with the wiring terminals, and the wiring terminals are electrically connected with the control buttons. The wiring terminals are provided with 230 wiring terminals for connecting each electric control component, the through holes are convenient for the lines to enter the wiring box, and the wiring box is used for gathering various lines to prevent the lines from being crossed and disordered.

As preferred, titrate the case and include installation department and dismantlement portion, the dismantlement portion is including dismantling board one and dismantling board two, dismantle all to install a plurality of screw on board one and the dismantlement board two, dismantle the board one and be connected with the front end of installation department through the screw, dismantle the board two and pass through the side connection of screw and installation department. The first dismounting plate and the second dismounting plate of the titration box are connected with the mounting part through screws, so that the titration box is convenient to dismount and mount, the use flexibility is increased, and subsequent maintenance is facilitated.

As preferred, installation department internally mounted has the water-collecting sheet, the shape of water-collecting sheet is for falling trapezoidal, the top surface of installation department is equipped with the trompil one that a plurality of and rubber tube match, be equipped with the trompil two that matches with trompil one on the water-collecting sheet, trompil one communicates with trompil two, the bottom surface of installation department is connected with the drain pipe, be connected with the water head on the drain pipe, the water head passes and is connected with the bottom of water-collecting sheet behind the bottom surface of installation department. Liquid in the test tube flows to the position of trompil one through the rubber tube, flows into the installation department from trompil one in, and rethread trompil two flow downwards, and the shape of water-collecting sheet is down trapezoidal, the concentration of the liquid of being convenient for to be convenient for liquid flow to on the water-collecting head, rethread drain pipe discharge, simple structure, but the centralized processing of the liquid of being convenient for, save time raises the efficiency.

The utility model has the advantages that: the device is convenient to install, good in structural stability and convenient to detach and maintain, the traditional time-consuming and labor-consuming mode is changed in the testing method, the device is combined, the quality of the filter paper can be tested efficiently, and the purpose of improving the working efficiency is achieved through the design.

Drawings

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

FIG. 2 is a schematic structural view of a mounting bracket;

FIG. 3 is a schematic view of the construction of the bushing;

FIG. 4 is a schematic view of a support base;

FIG. 5 is a connection view of the support base and the mounting bracket;

fig. 6 is a side view of the present invention;

FIG. 7 is a front view of the junction box;

figure 8 is a split view of the titration chamber.

In the figure: 1. the device comprises a display screen, 11 control buttons, 12 adjusting blocks, 13 adjusting bolts, 2 mounting supports, 21 fixing rings, 211 through holes, 22 pipe frame I, 221 sleeve pipes, 222 annular convex strips, 23 pipe frame II, 24 supporting rods, 3 test pipes, 31 rubber pipes, 32 electronic control valves, 4 third sensors, 41 sensor bodies, 411 sensing wires, 42 supporting seats, 421 locking bolts, 422 locking holes, 423 fixing seats, 43 sleeve pipes, 5 second sensors, 6 first sensors, 7 junction boxes, 71 wiring holes, 72 wiring terminals, 8 titration boxes, 81 water collecting plates, 811 opening II, 82 mounting portions, 821 opening I, 83 dismounting plates II, 84 drain pipes, 85 water collecting heads, 86 dismounting plates I, 87 screws and 9 paper cones.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

As shown in figures 1 and 6, a water filtering time measuring device comprises a mounting bracket 2, test tubes 3, a titration box 8, a sensor assembly, a junction box 7, a display screen 1 and a paper cone 9, wherein the bottom end of the mounting bracket 2 is mounted on the upper end surface of the titration box 8, the test tubes 3 comprise a plurality of test tubes 3, the test tubes 3 are uniformly arranged on the mounting bracket 2 at intervals, the test tubes 3 are connected with the front side of the mounting bracket 2, the paper cones 9 and the sensor assemblies are matched with the number of the test tubes 3, the sensor assembly is arranged between the mounting bracket 2 and the test tubes 3 and connected with the test tubes 3, the mounting bracket 2 is provided with a plurality of fixing rings 21, the fixing rings 21 are arranged above the test tubes 3, the fixing rings 21 are provided with through holes 211, the paper cones 9 are arranged on the through holes 211, the junction box 7 is arranged on the rear side of the mounting bracket 2 and connected with the titration box 8, the display screen 1 is arranged on the side of the mounting bracket 2, one end of the display screen 1 close to the mounting bracket is connected with an adjusting block 12, an adjusting bolt 13 is installed on the adjusting block 12, the adjusting block 12 is sleeved on the side edge of the mounting bracket 2, a plurality of control buttons 11 are installed on the display screen 1, and the control buttons 11 are respectively electrically connected with the sensor assembly and the junction box 7.

2 front sides of installing support are equipped with pipe support 22 and pipe support two 23, pipe support 22 sets up the upper end at test tube 3, two 23 settings of pipe support are at the lower extreme of test tube 3, the one end and the installing support 2 of pipe support 22 are connected, the other end of pipe support 22 cup joints with the upper end of test tube 3, the one end and the installing support 2 of pipe support two 23 are connected, the lower extreme of test tube 3 is connected with rubber tube 31, the other end and the rubber tube 31 of pipe support two 23 are connected, install automatically controlled valve 32 on the rubber tube 31, automatically controlled valve 32 is connected with control button 11 electricity.

Install sleeve pipe 221 on pipe support 22, the diameter of sleeve pipe 221 is greater than the diameter of test tube 3, and sleeve pipe 221 cup joints on the outer wall of test tube 3, and the upper and lower both ends of sleeve pipe 221 inner wall all are connected with annular sand grip 222, and annular sand grip 222 contacts with the outer wall of test tube 3.

The sensor assembly comprises a first sensor 6, a second sensor 5 and a third sensor 4, the first sensor 6, the second sensor 5 and the third sensor 4 are matched with the number of the test tubes 3, and the first sensor 6, the second sensor 5 and the third sensor 4 are sequentially arranged between the mounting bracket 2 and the test tubes 3 and connected with the test tubes 3 from bottom to top.

The rear side of installing support 2 is equipped with the bracing piece 24 that a plurality of and test tube 3 match, first sensor 6, second sensor 5 and third sensor 4 all include sensor body 41, supporting seat 42 and lantern ring 43, the one end of supporting seat 42 is connected with locking bolt 421, the position department that is close to locking bolt 421 on the supporting seat 42 is equipped with locking hole 422, bracing piece 24 is arranged in locking hole 422, locking bolt 421 passes behind locking hole 422 and is connected with bracing piece 24, fixing base 423 is installed to the other end of supporting seat 42, the bottom and the fixing base 423 of sensor body 41 are connected, the one end of lantern ring 43 is cup jointed on sensor body 41, the other end cover of lantern ring 43 is established on test tube 3, sensor body 41 is connected with test tube 3 through lantern ring 43, be connected with sensing line 411 on the sensor body 41, sensing line 411 is connected with terminal box 7.

Install a plurality of binding post 72 in the terminal box 7, be equipped with a plurality of logical line hole on the terminal box 7, sensing line 411 passes to be connected with binding post 72 behind the logical line hole, and binding post 72 is connected with control button 11 electricity.

Titration box 8 includes installation department 82 and dismantlement portion, and the dismantlement portion all installs a plurality of screw 87 including dismantling first 86 of board and dismantling second 83 on dismantling first 86 of board and the dismantling second 83 of board, and dismantling first 86 of board is connected with the front end of installation department 82 through screw 87, and dismantling second 83 of board is connected with the side of installation department 82 through screw 87. The water collecting plate 81 is arranged inside the mounting portion 82, the water collecting plate 81 is inverted trapezoid in shape, a plurality of first holes 821 matched with the rubber pipes 31 are formed in the top surface of the mounting portion 82, second holes 811 matched with the first holes 821 are formed in the water collecting plate 81, the first holes 821 are communicated with the second holes 811, the bottom surface of the mounting portion 82 is connected with a drain pipe 84, a water collecting head 85 is connected to the drain pipe 84, and the water collecting head 85 penetrates through the bottom surface of the mounting portion 82 and then is connected with the bottom of the water collecting plate 81.

The specific determination method comprises the following steps:

the method comprises the following steps: folding the sample filter paper in half, folding the sample filter paper into a paper cone 9, then placing the paper cone 9 into an external glass funnel, wetting the paper cone with water, taking the paper cone 9 out of the glass funnel, suspending the paper cone 9 in a through hole 211 on a fixing ring 21, and enabling the water to flow into the test tube 3 from the through hole, wherein the electric control valve 32 is in a closed state;

step two: pouring 25ml of water with the temperature of 23 +/-2 ℃ into the position where the first sensor 6 is located, keeping the water fresh at the temperature of 23 +/-2 ℃, if the temperature does not reach 23 +/-2 ℃, adding and subtracting seconds according to the actual condition of the water filtering time, automatically timing by the device after the water level reaches the position where the second sensor 5 is located, automatically stopping timing when the water level reaches the position where the third sensor 4 is located, and automatically transmitting the time to the display screen 1 by the first sensor 6, the second sensor 5 and the third sensor 4 through the wiring terminal 72;

step three: the test result is picked and recorded from the display screen 1 by using an external controller or manually, the control button 11 for draining is clicked manually to control the electric control valve 32, the rubber tube 31 is loosened when the electric control valve 32 is opened, water in the test tube 3 is discharged downwards, the water in the test tube 3 is discharged into the titration box 8 through the first opening 811, the reset control button 11 is clicked manually, the electric control valve 32 is closed, the rubber tube 31 is clamped tightly, the water in the test tube 3 does not flow, and when the water level is restored to the position of the first sensor 6, the next round of test can be started; after the test results are extracted from the display screen 1, the calculation is carried out, the results are expressed by the average value of the water filtering time of a plurality of sample paper cones 9, and the reagent dosage and the reagent temperature adopted in the test are both specified by national standards.

Claims

1. A water filtration time measuring device is characterized by comprising a mounting support (2), test tubes (3), a titration box (8), a sensor assembly, a junction box (7), a display screen (1) and a plurality of paper cones (9), wherein the bottom end of the mounting support (2) is mounted on the upper end surface of the titration box (8), the test tubes (3) comprise a plurality of test tubes (3), the test tubes (3) are uniformly arranged on the mounting support (2) at intervals, the test tubes (3) are connected with the front side of the mounting support (2), the paper cones (9) and the sensor assembly are both matched with the number of the test tubes (3), the sensor assembly is arranged between the mounting support (2) and the test tubes (3) and connected with the test tubes (3), a plurality of fixing rings (21) are mounted on the mounting support (2), and the fixing rings (21) are arranged above the test tubes (3), the utility model discloses a set up the side of installing support (2), including solid fixed ring (21), paper awl (9), through-hole (211) are arranged in on the paper awl (9), terminal box (7) are arranged in the rear side of installing support (2) and are connected with titration case (8), display screen (1) set up the side at installing support (2), the one end that display screen (1) is close to installing support (2) is connected with regulating block (12), install adjusting bolt (13) on regulating block (12), regulating block (12) cup joint the side at installing support (2), install a plurality of control button (11) on display screen (1), control button (11) are connected with sensor module and terminal box (7) electricity respectively.

2. The water filtering time measuring device according to claim 1, wherein a first pipe frame (22) and a second pipe frame (23) are arranged on the front side of the mounting support (2), the first pipe frame (22) is arranged at the upper end of the test tube (3), the second pipe frame (23) is arranged at the lower end of the test tube (3), one end of the first pipe frame (22) is connected with the mounting support (2), the other end of the first pipe frame (22) is sleeved with the upper end of the test tube (3), one end of the second pipe frame (23) is connected with the mounting support (2), the lower end of the test tube (3) is connected with a rubber tube (31), the other end of the second pipe frame (23) is connected with the rubber tube (31), an electric control valve (32) is arranged on the rubber tube (31), and the electric control valve (32) is electrically connected with a control button (11).

3. A water filtration time measuring apparatus according to claim 2, wherein the pipe frame (22) is provided with a sleeve (221), the diameter of the sleeve (221) is larger than that of the test tube (3), the sleeve (221) is sleeved on the outer wall of the test tube (3), the upper end and the lower end of the inner wall of the sleeve (221) are connected with annular ribs (222), and the annular ribs (222) are in contact with the outer wall of the test tube (3).

4. Water filtration time measuring device according to claim 1, wherein the sensor assembly comprises a first sensor (6), a second sensor (5) and a third sensor (4), the first sensor (6), the second sensor (5) and the third sensor (4) being arranged in sequence from bottom to top between the mounting bracket (2) and the test tube (3) and being connected to the test tube (3).

5. The water filtering time measuring device according to claim 4, wherein a plurality of support rods (24) matched with the test tube (3) are arranged at the rear side of the mounting bracket (2), each of the first sensor (6), the second sensor (5) and the third sensor (4) comprises a sensor body (41), a support seat (42) and a sleeve ring (43), one end of the support seat (42) is connected with a locking bolt (421), a locking hole (422) is arranged on the support seat (42) at a position close to the locking bolt (421), the support rods (24) are arranged in the locking holes (422), the locking bolts (421) pass through the locking holes (422) and are connected with the support rods (24), a fixed seat (423) is arranged at the other end of the support seat (42), and the bottom end of the sensor body (41) is connected with the fixed seat (423), the one end of lantern ring (43) is cup jointed on sensor body (41), the other end cover of lantern ring (43) is established on test tube (3), sensor body (41) are connected with test tube (3) through lantern ring (43), be connected with sensing line (411) on sensor body (41), sensing line (411) are connected with terminal box (7).

6. A water filtration time measuring device according to claim 5, wherein a plurality of connecting terminals (72) are installed in the junction box (7), a plurality of through holes are arranged on the junction box (7), the sensing wire (411) is connected with the connecting terminals (72) after passing through the through holes, and the connecting terminals (72) are electrically connected with the control button (11).

7. The water filtration time measuring device according to claim 1, wherein the titration box (8) comprises an installation part (82) and a disassembly part, the disassembly part comprises a first disassembly plate (86) and a second disassembly plate (83), a plurality of screws (87) are installed on the first disassembly plate (86) and the second disassembly plate (83), the first disassembly plate (86) is connected with the front end of the installation part (82) through the screws (87), and the second disassembly plate (83) is connected with the side end of the installation part (82) through the screws (87).

8. The water filtering time measuring device according to claim 7, wherein a water collecting plate (81) is installed inside the installation portion (82), the water collecting plate (81) is in an inverted trapezoid shape, a plurality of first open holes (821) matched with the rubber pipes (31) are formed in the top surface of the installation portion (82), a second open hole (811) matched with the first open holes (821) is formed in the water collecting plate (81), the first open holes (821) are communicated with the second open holes (811), a water drainage pipe (84) is connected to the bottom surface of the installation portion (82), a water collecting head (85) is connected to the water drainage pipe (84), and the water collecting head (85) penetrates through the bottom surface of the installation portion (82) and then is connected with the bottom of the water collecting plate (81).