CN213455714U - Volume measuring device - Google Patents
Volume measuring device Download PDFInfo
- Publication number
- CN213455714U CN213455714U CN202022317952.XU CN202022317952U CN213455714U CN 213455714 U CN213455714 U CN 213455714U CN 202022317952 U CN202022317952 U CN 202022317952U CN 213455714 U CN213455714 U CN 213455714U
- Authority
- CN
- China
- Prior art keywords
- tray
- measuring device
- volume
- balance
- volume measuring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a volume measuring device, which comprises a frame, a balance, a groove and a tray, wherein the balance is arranged on the frame; the tank is placed on the balance and used for containing liquid; the tray is suspended in the liquid and used for bearing the object to be detected; after the object to be measured is placed on the tray, the data variable quantity of the balance is acquired so as to obtain the volume of the object to be measured. The utility model discloses volume measurement device has replaced traditional drainage method side volume, overcomes because the tension of water leads to measuring inaccurate problem, also need not to wait for in addition and carries out the reading again after the liquid level is steady, and the measurement volume is not only fast but also accurate.
Description
Technical Field
The utility model relates to a volume measurement device's technical field especially relates to a volume measurement device.
Background
From ancient times to present, volume measurement is always necessary for experiments and life, for example, volume expansion of a lithium ion battery can occur in the processes of charge and discharge cycles and high-temperature storage, so that the volume of a battery cell can be changed to different degrees. Especially, the large soft package battery cell is mostly a material system exploration type, the volume change in the test process has no reference, and the volume increase rate of the soft package battery cell is also an important index for judging the electrical property of the battery cell. Therefore, in the research and development test process of the soft-package lithium battery, the volume of the battery core needs to be monitored and measured for a long time.
The most common measurement method is a drainage method, an object to be measured is placed in water, the volume of the drained water is the volume of the object to be measured, but the water has tension, so that certain tension is easily formed on the wall of a container and the object to be measured, certain errors are caused to measurement data, and in addition, the reading can be performed after the liquid level is calm.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a volume measuring device is in order to solve the technical problem of the volume measuring accuracy degree of awaiting measuring.
In order to realize the purpose, the utility model adopts the following technical scheme: there is provided a volume measuring device including:
a frame;
the balance is placed on the frame;
the tank is placed on the balance and used for containing liquid;
the tray is suspended in the liquid and used for bearing an object to be detected;
after the object to be measured is placed on the tray, the data variable quantity of the balance is acquired so as to obtain the volume of the object to be measured.
Optionally, the volume measuring device further comprises a fixing frame, the fixing frame is placed on the rack, and the fixing frame is connected with the tray.
Optionally, the number of the fixing frames is multiple, the fixing frames are symmetrically arranged, and the tray is located at the symmetrical center lines of the fixing frames.
Optionally, the fixing frame includes a base, a bridge, and a connecting member, the base is placed on the rack, the bridge is connected to the base and extends to a position right above the tray, one end of the connecting member is connected to the bridge, and the other end of the connecting member is connected to the tray.
Optionally, the bridge member includes a first rod vertically disposed on the base and a second rod vertically connected to the first rod and extending right above the tray, and the connecting member is connected to the second rod.
Optionally, the connecting member includes an intermediate rod and a first transition rod, a second transition rod, a third transition rod and a fourth transition rod, the intermediate rod is connected with the bridging member, and the first transition rod, the second transition rod, the third transition rod and the fourth transition rod are respectively connected with the intermediate rod and divergently connected with the tray in an equalizing manner.
Optionally, the connecting piece is made of a cold-rolled carbon steel plate, and an outer layer of the connecting piece is wrapped with insulating teflon.
Optionally, the material of the groove is a cold-rolled carbon steel plate, and an outer layer of the groove is wrapped with insulating teflon.
Optionally, the frame comprises a marble slab and a plurality of posts vertically overlapped to form an integral frame for the marble slab to be placed.
Optionally, the tray is made of a cold-rolled carbon steel plate, an outer layer of the tray is wrapped with insulating teflon, and the bottom of the tray is provided with a through groove.
The utility model discloses beneficial effect does: the volume measuring device of the present application includes: frame, balance, groove and tray. The balance is placed on the rack and used for weighing, and the balance can be an electronic scale sold in the market and also can be a lever scale sold in the market and the like. The tank is placed on a balance and is used for containing liquid, and the liquid can be pure water or oil. The tray is suspended in the liquid, namely the tray is completely immersed in the liquid or partially immersed in the liquid, the tray is not in any direct contact with the tank, and the tray is used for bearing an object to be measured; after the object to be measured is placed on the tray, the data variable quantity of the balance is acquired so as to obtain the volume of the object to be measured. This application has replaced traditional drainage method side volume, overcomes because the tension of water leads to measuring inaccurate problem, also need not to wait moreover to carry out the reading again after the liquid level is steady, and the measurement volume is not only fast but also accurate.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments or the previous developments of the present invention, the drawings used in the embodiments or the previous developments will be briefly described below, and it is obvious that the drawings in the following descriptions are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic diagram of a volume measuring device provided herein;
FIG. 2 is a schematic cross-sectional view of a volume measuring device provided herein;
FIG. 3 is an enlarged schematic view of area A of FIG. 2 provided herein;
FIG. 4 is a schematic view of a force analysis of the cell and liquid as a whole as provided herein;
fig. 5 is a schematic flow chart of a volume measurement method provided in the present application.
The graphical notation is as follows:
volume measuring device 10 frame 11 marble plate 112 plurality of posts 114
Detailed Description
The description in the present application relating to "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated.
Referring to fig. 1 to 4, fig. 1 is a schematic structural diagram of a volume measuring device 10 provided in the present application, fig. 2 is a schematic cross-sectional diagram of the volume measuring device 10 provided in the present application, fig. 3 is an enlarged schematic view of a region a in fig. 2 provided in the present application, and fig. 4 is a schematic force analysis diagram of a tank 13 and a liquid as a whole provided in the present application.
The volume measuring device 10 of the present application includes: a frame 11, a scale 12, a trough 13 and a tray 14. The balance 12 is placed on the rack 11, the balance 12 is used for weighing, and the balance 12 can be a commercially available electronic scale or a commercially available lever scale. Tank 13 is placed on balance 12 and tank 13 is used to hold a liquid, which may be pure water or oil. The tray 14 is suspended in the liquid, namely the tray 14 is completely immersed in the liquid or partially immersed in the liquid, the tray 14 is not in any direct contact with the tank 13, and the tray 14 is used for bearing an object to be measured; after the object to be measured is placed on the tray 14, the data variation of the balance 12 is obtained to obtain the volume of the object to be measured.
The principle of obtaining the volume of the object to be measured by the data change amount of the balance 12 is explained as follows:
referring specifically to FIG. 4, the water tank 13 is subjected to stress analysis, F1＝G+F2，F1The holding force of balance 12, G the weight of the liquid and tank 13, F2The counterforce of buoyancy on the liquid;
1, after the object to be detected is placed on the tray 14, the mass of the liquid and the groove 13 is unchanged, and the gravity G is unchanged;
2 before the object to be measured is put in, buoyancy F2The buoyancy F is the buoyancy force of the tray 14 in the liquid after the object to be measured is put in2The buoyancy force of the tray 14 and the object to be detected in the liquid;
3 before and after the object to be measured is put in, the change value of 12 support forces of the balance
ΔF1＝F1”-F1’＝(G+F2”)-(G+F2’)＝F2”-F2’＝ΔF2Rho is the liquid density, v is the volume of the object to be measured, and g is the gravity constant;
if the data change amount of the balance 12 before and after the sample is placed is Δ m, Δ F1 is Δ mg, that is, Δ m is ρ v, so the volume of the sample is the ratio of the data change amount of the balance 12 to the density of the liquid, and if the liquid is purified water, the density of the purified water is 1g/ml, Δ m is v, and the volume of the sample can be directly known according to the data change amount of the balance 12. If the balance 12 is zeroed before each test object is placed, the volume of the test object in ml can be obtained more quickly from the readings of the balance 12.
The object to be measured can be a battery or a fermentation bag which can change constantly, the accuracy of the balance 12 determines the accuracy of measuring the volume change, and the volume change of the object to be measured is accurately tracked through the balance 12, so that the real-time state of the object to be measured is known.
This application has replaced traditional drainage method side volume, overcomes because the tension of water leads to measuring inaccurate problem, also need not to wait moreover to carry out the reading again after the liquid level is steady, and the measurement volume is not only fast but also accurate.
The material of tray 14 is cold rolling carbon steel board, and cold rolling carbon steel board material hardness is big, can guarantee that tray 14 can not take place to warp for a long time contact liquid yet. Insulating teflon is wrapped to the outer of tray 14 and is equipped with, and insulating teflon is spouted for the safety consideration to the outer of tray 14, and teflon is insulating material, avoids electric core positive negative pole short circuit risk to appear in the measurement process. Optionally, a through groove 14213 is formed at the bottom of the tray 14, and the through groove 14213 is used for quickly discharging liquid at the lower part of the object to be tested when the object to be tested is placed in the tray 14, so as to prevent the object to be tested from drifting and separating from the tray 14.
The volume measuring device 10 further comprises a fixing frame 15, the fixing frame 15 is placed on the rack 11, the fixing frame 15 does not affect the measurement of the balance 12, the fixing frame 15 is connected with the tray 14, and the fixing frame 15 is used for lifting the tray 14 to enable the tray 14 to be suspended in liquid, so that the phenomenon that the tray 14 moves up and down greatly due to the fact that the object to be measured is too heavy, and the liquid fluctuates violently to cause inaccurate measurement is avoided. Of course, in other embodiments, the tray 14 may be suspended in the liquid by its own buoyancy.
The number of the fixing frames 15 can be a plurality of, two, three, four, etc., the plurality of fixing frames 15 are symmetrically arranged, and the tray 14 is positioned at the symmetrical center line of the plurality of fixing frames 15, so that the tray 14 is uniformly stressed.
The fixing frame 15 includes a base 151, a bridge 152, and a connecting member 153, the base 151 is placed on the frame 11, one end of the connecting member 153 is connected to the bridge 152, and the other end is connected to the tray 14, the bridge 152 is connected to the base 151 and extends to a position right above the tray 14, so that the connecting member 153 hangs down the tray 14 in a direction of a center of gravity. The weight of the base 151 is 50 kg or more to ensure stability of the base 151.
The bridge 152 includes a first rod 154 and a second rod 155, the first rod 154 is vertically disposed on the base 151, the second rod 155 is vertically connected to the first rod 154 and extends to a position just above the tray 14, and the connecting member 153 is connected to the second rod 155. Since the first lever 154 is perpendicular to the base 151 and the second lever 155 is perpendicular to the first lever 154, the link 153 may droop in the direction of the center of gravity when the housing 11 is horizontally placed on the ground.
The connecting member 153 includes an intermediate rod 156 and first, second, third and fourth transition rods 157, 158, 159, 160, the intermediate rod 156 is connected to the bridge 152, and the first, second, third and fourth transition rods 157, 158, 159, 160 are respectively connected to the intermediate rod 156 and diverge to provide balanced connection with the tray 14. The first transition bar 157, the second transition bar 158, the third transition bar 159 and the fourth transition bar 160 are evenly connected with each position of the tray 14 to ensure that the tray 14 is kept stable and does not shake violently.
The connecting piece 153 is made of a cold-rolled carbon steel plate which is high in hardness and can ensure that the connecting piece 153 cannot deform even contacting liquid for a long time. The outer package of connecting piece 153 is equipped with insulating teflon, and insulating teflon is spouted for the safety consideration to the outer of connecting piece 153, and teflon is insulating material, avoids electric core positive negative pole short circuit risk to appear in the measurement process.
The material of the groove 13 is a cold-rolled carbon steel plate which has high hardness and can ensure that the groove 13 does not deform even contacting liquid for a long time. The outer package in groove 13 is equipped with insulating teflon, and insulating teflon is spouted for the safety consideration to the outer in groove 13, and teflon is insulating material, avoids electric core positive negative pole short circuit risk to appear in the measurement process.
With continued reference to fig. 1, the housing 11 includes a marble plate 112 and a plurality of posts 114, the posts 114 being vertically overlapped to form an integral frame for the marble plate 112 to rest on. The posts 114 are perpendicular to each other and support each other to ensure the overall frame levelness. The marble plate 112 is made of marble, and the surface of the marble is easy to polish and is high in density.
Referring to fig. 1 and 5, fig. 5 is a schematic flow chart of a volume measurement method provided in the present application.
The volume measurement method of the present application may be performed in the volume measurement device 10 of any of the above embodiments.
S101: the liquid is poured into a tank 13 on the balance 12, and a tray 14 is suspended in the liquid.
S102: the balance 12 is cleared.
S103: the test object is placed on the tray 14 and immersed in the liquid.
S104: data is acquired from the balance 12 to derive the volume of the test object.
The principle of obtaining the volume of the object to be measured by the data change amount of the balance 12 is explained as follows:
referring specifically to FIG. 4, the water tank 13 is subjected to stress analysis, F1＝G+F2，F1The holding force of balance 12, G the weight of the liquid and tank 13, F2The counterforce of buoyancy on the liquid;
1, after the object to be detected is placed on the tray 14, the mass of the liquid and the groove 13 is unchanged, and the gravity G is unchanged;
2 before the object to be measured is put in, buoyancy F2The buoyancy F is the buoyancy force of the tray 14 in the liquid after the object to be measured is put in2The buoyancy force of the tray 14 and the object to be detected in the liquid;
3 before and after the object to be measured is put in, the change value of 12 support forces of the balance
ΔF1＝F1”-F1’＝(G+F2”)-(G+F2’)＝F2”-F2’＝ΔF2Rho is the liquid density, v is the volume of the object to be measured, and g is the gravity constant;
4 if the data change quantity of the balance 12 is delta m before and after the object to be measured is put in, delta F1Therefore, the volume of the object to be measured is the ratio of the data variation of the balance 12 to the liquid density, and when the liquid is pure water and the density of the pure water is 1g/ml, the volume of the object to be measured can be directly known according to the data variation of the balance 12. If the balance 12 is zeroed before each test object is placed, the volume of the test object in ml can be obtained more quickly from the readings of the balance 12.
The object to be measured can be a battery or a fermentation bag which can change constantly, the accuracy of the balance 12 determines the accuracy of measuring the volume change, and the volume change of the object to be measured is accurately tracked through the balance 12, so that the real-time state of the object to be measured is known.
The above is only the preferred embodiment of the present invention, not limiting the present invention, all the patent ranges of the present invention are included in the claims of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the concept of the present invention, or the equivalent structure changes are directly/indirectly utilized in other related technical fields.
Claims (10)
1. A volume measuring device, characterized in that the volume measuring device comprises:
a frame;
a balance placed on the frame;
a tank placed on the balance, the tank being for holding a liquid;
the tray is suspended in the liquid and used for bearing an object to be detected;
and after the object to be detected is placed on the tray, acquiring the data variable quantity of the balance so as to obtain the volume of the object to be detected.
2. The volume measuring device of claim 1, further comprising a mount, the mount being disposed on the frame, the mount being coupled to the tray.
3. The volume measuring device of claim 2, wherein the number of the fixing frames is plural, the plurality of fixing frames are symmetrically arranged, and the tray is located at a symmetrical center line of the plurality of fixing frames.
4. The volume measuring device of claim 2, wherein the holder comprises a base placed on the frame, a bridge connected to the base and extending directly above the tray, and a connector having one end connected to the bridge and the other end connected to the tray.
5. The volume measuring device of claim 4, wherein the bridge comprises a first rod disposed vertically on the base and a second rod connected vertically to the first rod and extending directly above the tray, the connector being connected to the second rod.
6. The volumetric measuring device of claim 4, wherein the connector comprises an intermediate rod and first, second, third, and fourth transition rods, the intermediate rod being connected to the bridge, the first, second, third, and fourth transition rods being connected to the intermediate rod and diverging to provide balanced connection to the tray, respectively.
7. The volume measuring device according to claim 4, wherein the connecting member is made of a cold-rolled carbon steel plate, and an outer layer of the connecting member is wrapped with insulating Teflon.
8. The volume measuring device according to claim 1, wherein the groove is made of a cold-rolled carbon steel plate, and an outer layer of the groove is coated with insulating teflon.
9. The volume measuring device of claim 1, wherein the frame comprises a marble slab and a plurality of posts vertically overlapping to form a unitary frame for the marble slab to rest on.
10. The volume measuring device according to claim 1, wherein the tray is made of a cold-rolled carbon steel plate, an outer layer of the tray is wrapped with insulating Teflon, and a through groove is formed in the bottom of the tray.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022317952.XU CN213455714U (en) | 2020-10-16 | 2020-10-16 | Volume measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022317952.XU CN213455714U (en) | 2020-10-16 | 2020-10-16 | Volume measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213455714U true CN213455714U (en) | 2021-06-15 |
Family
ID=76292334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022317952.XU Active CN213455714U (en) | 2020-10-16 | 2020-10-16 | Volume measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213455714U (en) |
-
2020
- 2020-10-16 CN CN202022317952.XU patent/CN213455714U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202092926U (en) | Accessory device using electronic scale to measure material density and apparatus including same | |
| CN211262376U (en) | Soft package lithium ion battery gas production testing arrangement | |
| CN209820571U (en) | Volume measuring device | |
| CN204027960U (en) | Block ore density measurement device | |
| CN201203562Y (en) | Density meter | |
| CN108627442A (en) | A kind of celluar concrete porosity device for quick testing | |
| CN204115806U (en) | The saturated wet pole plate volume measurement device of a kind of lead-acid accumulator | |
| CN112414501A (en) | Volume measuring device and volume measuring method | |
| CN213455714U (en) | Volume measuring device | |
| CN201397328Y (en) | Large test loess block disintegration tester | |
| CN211825543U (en) | Solid density measuring device | |
| US2056187A (en) | Specific gravity indicator | |
| CN202109964U (en) | Liquid proportion spring balance | |
| CN206719472U (en) | A kind of heel angle measurement tool based on ship inclination experiment | |
| CN109883512A (en) | Soft-package battery gas production measurement method and soft-package battery gas production measuring device | |
| CN109141569A (en) | A kind of steamed bun volume determining instrument | |
| CN208795314U (en) | A kind of steamed bun volume determining instrument | |
| CN102829836B (en) | Method and device for volume measuring of crack soil | |
| CN202188997U (en) | Detection device adopting densitometric method to measure aluminum and iron contents in steel-cored aluminium | |
| CN220230631U (en) | Soft packet of battery gas production measuring device | |
| CN202403982U (en) | Volumetric Young's modulus measuring instrument | |
| CN109115298A (en) | A kind of method and device measuring catalyst unit volume in irregular shape | |
| CN113504150B (en) | Dynamic detector for specific gravity of liquid and dynamic detection method | |
| CN214702443U (en) | Physical density balance for middle school students | |
| CN217687135U (en) | Electricity core volume measurement device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 518000 1-2 Floor, Building A, Xinwangda Industrial Park, No. 18 Tangjianan Road, Gongming Street, Guangming New District, Shenzhen City, Guangdong Province Patentee after: Xinwangda Power Technology Co.,Ltd. Address before: 518107 Xinwangda Industrial Park, No.18, Tangjia south, Gongming street, Guangming New District, Shenzhen City, Guangdong Province Patentee before: SUNWODA ELECTRIC VEHICLE BATTERY Co.,Ltd. |