CN220872291U

CN220872291U - Water sample measuring balance

Info

Publication number: CN220872291U
Application number: CN202322745142.8U
Authority: CN
Inventors: 齐志龙; 倪境泽; 臧宏展; 吴乐昆
Original assignee: Hebei Synergy Water Treatment Technology Co ltd
Current assignee: Hebei Synergy Water Treatment Technology Co ltd
Priority date: 2023-10-12
Filing date: 2023-10-12
Publication date: 2024-04-30
Anticipated expiration: 2033-10-12

Abstract

The utility model relates to a water sample measuring balance, which comprises a balance body, wherein a weighing platform of the balance body is provided with a tray, rails are arranged on two sides of the weighing platform, a shell is arranged on the weighing platform and can move along the rails, and the front end of the shell is provided with a door plate capable of opening and closing; a heat source is arranged on the weighing table and is controlled by a temperature control device; a tray support is arranged on the tray; the tray support comprises an annular plate and a plurality of vertical rods, the plurality of vertical rods are arranged at equal intervals on the periphery of the tray, the annular plate is connected with the plurality of vertical rods through a plurality of connecting rods, and the annular plate is arranged above the tray. According to the water sample measuring balance provided by the utility model, through the movable shell, the interference of external environment can be avoided to a certain extent when the water sample measuring balance is dried, and the filter membrane is heated uniformly and the water evaporation is faster when the filter membrane is dried through the arrangement of the tray support.

Description

Water sample measuring balance

Technical Field

The utility model relates to the technical field of water quality detection equipment, in particular to a water sample measuring balance.

Background

The current method for detecting suspended matters adopts the standard of 'GB/T11901-1989 weight determination method for water suspended matters', and the process is approximately as follows: and drying the filter membrane, putting the dried filter membrane into a filter, filtering a water sample to be detected, and weighing the filtered filter membrane by using a balance.

The standard for measuring the TDS is GB/T14415-2007 determination of solid substances in industrial circulating cooling water and boiler water, and the process is approximately as follows: 1. and filtering the water sample to be detected by using a slow quantitative filter paper or a glass sand core funnel with the aperture of a filter plate of 2-5 um. 2. And (3) transferring a proper amount of filtered water sample, and placing the water sample in a container which is dried to constant weight at 105-110 ℃.3. The vessel was evaporated to dryness on a boiling water bath and dried to constant weight at 105-110 ℃.

The problems with the above method are:

1. And when the content of the water sample is low, the measurement repeatability is poor, and the water sample is easily influenced by the weighing environment.

2. Only one surface of the filter membrane contacts with air during drying, and the whole drying process is long in time consumption, so that the timeliness of data is low.

Disclosure of utility model

In order to solve the problems in the prior art, the utility model provides a water sample measuring balance, which comprises a balance body, wherein a tray is arranged on a weighing platform of the balance body, rails are arranged on two sides of the weighing platform, a shell is arranged on the weighing platform, the shell can move along the rails, and a door plate capable of opening and closing is arranged at the front end of the shell; a heat source is arranged on the weighing table and is controlled by a temperature control device; a tray support is arranged on the tray; the tray support comprises an annular plate and a plurality of vertical rods, the vertical rods are arranged at equal intervals on the circumference of the outer edge of the tray, the annular plate is connected with the vertical rods through a plurality of connecting rods, and the annular plate is arranged above the tray.

Wherein a plurality of cross bars are arranged in the opening in the middle of the annular plate.

Wherein the annular plates comprise an upper annular plate and a lower annular plate which are identical and vertically stacked; the connecting rod is connected with the lower annular plate, and one end of the connecting rod, which is close to the lower annular plate, is provided with an L-shaped plate; the upper surface of the lower annular plate is radially provided with a plurality of sliding grooves, the cross rod slides along the sliding grooves, and the top of one end of the cross rod, which is far away from the center of the lower annular plate, is provided with a bulge; the circumference of the upper annular plate is equidistantly provided with a plurality of strip-shaped holes, the bulges extend into the strip-shaped holes, and the strip-shaped holes and the corresponding cross bars are mutually inclined; the horizontal section of the L-shaped plate is mutually abutted with the top surface of the upper annular plate.

Wherein the connecting rod is connected with the middle part of the vertical rod.

Wherein, balance body bottom sets up leveling knob.

The front end of the top surface of the shell is provided with a strip-shaped through groove, and the door plate is arranged in the strip-shaped through groove in a sliding manner; the bottom of the door plate is provided with a magnetic attraction strip, and the magnetic attraction strip can magnetically attract the top surface of the shell.

Wherein, set up the gas pocket on the casing.

The beneficial effects of the utility model are as follows: according to the water sample measuring balance provided by the utility model, through the movable shell, the interference of external environment can be avoided to a certain extent when the water sample measuring balance is dried, and the filter membrane is heated uniformly and the water evaporation is faster when the filter membrane is dried through the arrangement of the tray support.

Drawings

The utility model will be described in further detail with reference to the drawings and the detailed description.

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a perspective view of another view of the present utility model;

fig. 3 is an enlarged view of the portion of fig. 2A of the present utility model.

Description of the reference numerals

1. Balance body, 11, weighing platform, 12, leveling knob, 13, tray, 14, track, 2, heat source, 3, annular plate, 31, montant, 32, connecting rod, 321, L shaped plate, 33, lower annular plate, 331, spout, 34, upper annular plate, 341, bar hole, 35, horizontal pole, 351, arch, 4, casing, 41, gas pocket, 5, door plant, 51, magnetism inhale the strip.

Detailed Description

The technical solutions in the embodiments of the present utility model are clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

As shown in fig. 1, fig. 2 and fig. 3, a water sample measuring balance provided in the embodiment includes a balance body 1, which may be an electronic balance, a weighing platform 11 of the balance body 1 is provided with a tray 13, two sides of the weighing platform 11 are provided with mutually parallel rails 14 along the front-back direction, which are specifically inverted T-shaped sliding grooves, a cubic shell 4 with an open bottom is provided on the weighing platform 11, the shell 4 can move along the front-back direction by matching with the rails 14, and the front end of the shell 4 is provided with a door plate 5 which can be opened and closed;

The weighing table 11 is provided with a heat source 2, the heat source 2 can be a heating wire, the heat source 2 is controlled by a temperature control device, and the temperature control device is in the prior art and is electrically connected with the heat source 2;

a tray bracket is arranged on the tray 13;

the tray support comprises an annular plate 3 and a plurality of vertical rods 31, the plurality of vertical rods 31 are arranged at equal intervals on the periphery of the tray 13, the annular plate is connected with the plurality of vertical rods 31 through a plurality of connecting rods 32, the annular plate 3 is arranged above the tray 13, and the connecting rods 32 are connected with the middle parts of the vertical rods 31.

When the water filter is used, the door plate 5 is opened, the shell 4 is pulled backwards until the tray support is exposed, when an object to be measured is a filter membrane, the filter membrane is placed on the annular plate, when the object to be measured is a bowl or a plate containing filtered water samples, the filter membrane is placed on the tray support, the outer edges of the bottoms of the filter membrane are supported by the plurality of vertical rods 31, the shell 4 is pulled back, the door plate 5 is closed, the heat source 2 is opened for drying, at the moment, the water evaporation is faster because the water container or the filter membrane is supported, the drying is continued until the weight is not changed any more, the record is carried out, and the difference between the weight of the filter membrane or the container and the original weight of the filter membrane or the container is calculated.

Since the filter membrane is not fixed in size, when the diameter of the filter membrane is smaller than the diameter of the central opening of the annular plate 3, the filter membrane cannot be supported, so that a plurality of cross bars 35 can be arranged in the opening in the middle of the annular plate 3 to solve the problem.

Further, since the container for receiving the filtered water sample may sometimes be a test tube, in order for the rack to be able to fit the test tube, the design is made such that the annular plate 3 comprises the same and vertically stacked coaxial upper and lower annular plates 34 and 33 as shown in fig. 3;

the connecting rod 32 is connected with the lower annular plate 33, and an L-shaped plate 321 is arranged at one end of the connecting rod 32 close to the lower annular plate 33;

The upper surface of the lower annular plate 33 is radially provided with a plurality of sliding grooves 331, a cross rod 35 slides along the sliding grooves 331, and a protrusion 351 is arranged at the top of one end of the cross rod 35 far from the center of the lower annular plate 33;

A plurality of strip-shaped holes 341 are formed in the upper annular plate 34 at equal intervals in the circumference, the protrusions 351 extend into the strip-shaped holes 341, and the strip-shaped holes 341 and the corresponding cross bars 35 are inclined;

The horizontal section of the L-shaped plate 321 abuts against the top surface of the upper annular plate 34.

The upper annular plate 34 is limited on the top surface of the lower annular plate 33 through the L-shaped plate 321, the protrusion 351 is matched with the strip-shaped hole 341, the upper annular plate 34 is rotated, the cross rod 35 can extend into the middle opening of the annular plate 3 or retract into the annular plate 3, when the container is a test tube, the cross rod 35 is retracted, the test tube is vertically inserted into the opening in the middle of the annular plate 3, the test tube can be kept vertical, and then the heating, drying and side-weighting are started.

In addition, a leveling knob 12 is arranged at the bottom of the balance body 1 for leveling.

The door plate 5 is specifically arranged, a strip-shaped through groove (not marked) is arranged at the front end of the top surface of the shell 4, and the door plate 5 is slidably arranged in the strip-shaped through groove;

The bottom of the door plate 5 is provided with the magnetic attraction strip 51, and the magnetic attraction strip 51 can magnetically attract the top surface of the shell 4, so that when the door plate 5 is opened, the door plate 5 is lifted upwards, the magnetic attraction strip 51 is adsorbed on the top surface of the shell 4, and when the door plate needs to be closed, the door plate 5 is directly pressed down.

In addition, for the escape of steam, air holes 41 may be provided in both the top surface and the lower portion of the side wall of the housing 4.

It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Claims

1. The water sample measuring balance comprises a balance body, wherein a tray is arranged on a weighing platform of the balance body, and is characterized in that rails are arranged on two sides of the weighing platform, a shell is arranged on the weighing platform, the shell can move along the rails, and a door plate capable of opening and closing is arranged at the front end of the shell;

a heat source is arranged on the weighing table and is controlled by a temperature control device;

a tray support is arranged on the tray;

The tray support comprises an annular plate and a plurality of vertical rods, the vertical rods are arranged at equal intervals on the circumference of the outer edge of the tray, the annular plate is connected with the vertical rods through a plurality of connecting rods, and the annular plate is arranged above the tray.

2. A water sample measuring balance according to claim 1 wherein a plurality of cross bars are disposed in the central opening of the annular plate.

3. A water sample measuring balance according to claim 2, wherein the annular plates comprise upper and lower annular plates which are identical and vertically stacked;

the connecting rod is connected with the lower annular plate, and one end of the connecting rod, which is close to the lower annular plate, is provided with an L-shaped plate;

the upper surface of the lower annular plate is radially provided with a plurality of sliding grooves, the cross rod slides along the sliding grooves, and the top of one end of the cross rod, which is far away from the center of the lower annular plate, is provided with a bulge;

The circumference of the upper annular plate is equidistantly provided with a plurality of strip-shaped holes, the bulges extend into the strip-shaped holes, and the strip-shaped holes and the corresponding cross bars are mutually inclined;

The horizontal section of the L-shaped plate is mutually abutted with the top surface of the upper annular plate.

4. A water sample measuring balance according to claim 3, wherein the connecting rod is connected to the middle of the vertical rod.

5. A water sample measurement balance according to any one of claims 1 to 4 wherein a levelling knob is provided at the bottom of the balance body.

6. The water sample measurement balance according to any one of claims 1 to 4, wherein a strip-shaped through groove is formed in the front end of the top surface of the shell, and the door plate is slidably arranged in the strip-shaped through groove;

The bottom of the door plate is provided with a magnetic attraction strip, and the magnetic attraction strip can magnetically attract the top surface of the shell.

7. A water sample measurement balance according to any one of claims 1 to 4 wherein the housing is provided with air holes.