CN213579712U

CN213579712U - Weighing unit and combined weighing system thereof

Info

Publication number: CN213579712U
Application number: CN202023054612.9U
Authority: CN
Inventors: 张铂虎
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-06-29
Anticipated expiration: 2030-12-17

Abstract

The utility model discloses a weighing unit and combination formula weighing system thereof belongs to the field of weighing. The utility model discloses a weighing unit includes the shell of weighing, and the shell inner chamber of weighing is separated into two intervals through the baffle, has placed weighing sensor and biography power body in the first interval, and weighing sensor sets up on the baffle, and biography power body one end is located this interval, and one end extends outside the shell of weighing; a power supply part and a front circuit are arranged in the second interval, and a weighing sensor is connected with the front circuit; the combined weighing system comprises at least one group of weighing units and a display unit, and the weighing units are in wireless communication connection with the display unit. The utility model overcomes weighing device portable's current situation not among the prior art plans to provide a weighing unit and combination formula weighing system thereof, and this weighing unit structure is small and exquisite, portable, and its combination formula weighing system can realize the nimble combination of dismantling between each part to portable uses conveniently.

Description

Weighing unit and combined weighing system thereof

Technical Field

The utility model relates to a combination technical field that weighs, more specifically say, relate to a weighing unit and combination formula weighing system thereof.

Background

At present, various weighing devices such as a weight scale, a baby scale, a kitchen scale and the like are widely applied to daily life of residents, so that the life quality is improved, and the weight scale contributes to improving the body health level of the residents. However, these weighing devices are not suitable for carrying and using due to the adoption of the structure design of integrating the scale body, the sensor and the display wholly or partially. And the measuring range of the single weighing device is fixed, and the measuring range can not be adjusted according to different measuring objects, so that the portable application is more difficult.

Through search, patent application publication No. CN 111521251 a proposes a weight scale with a foldable weighing mechanism, which has a reduced occupied area in a contracted state, but has a complex structure, is inconvenient to use, and has a large volume for carrying and use; the portable weighing scale proposed in the patent publication No. CN206339288U has a built-in lifting frame to realize sitting measurement. But the volume and the weight of the scale body are not reduced, so the scale body is not convenient to carry and use. The patent with publication number CN 205940740U proposes a body weight scale with a folded housing by using a hinge, which can reduce the maximum area occupation during carrying, but the thickness of the body of the scale is doubled.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

The utility model aims to overcome the current situation that weighing device is not portable among the prior art, plan to provide a weighing unit and combination formula weighing system thereof, this weighing unit structure is small and exquisite, portable, and its combination formula weighing system can realize the nimble combination of dismantling between each part to portable uses conveniently.

2. Technical scheme

In order to achieve the above purpose, the utility model provides a technical scheme does:

the utility model discloses a weighing unit, this weighing unit includes the weighing shell, and the weighing shell inner chamber is separated into two intervals through the baffle, wherein place weighing sensor and biography power body in the first interval, and weighing sensor sets up on the baffle, and biography power body one end is located this interval, and one end extends outside the weighing shell; a power supply part and a front circuit are arranged in the second interval, and the weighing sensor is connected with the front circuit. The partition board is provided with a through hole for connecting the first interval and the second interval.

Furthermore, a partition plate and a sealing cover are respectively arranged at two ends of the second interval, and a height gap is formed between the sealing cover and the end part of the weighing shell on the same side.

Furthermore, the partition board is provided with a through hole for communicating the first interval and the second interval.

Furthermore, the first interval is an upper interval, the force transmission body is positioned above the weighing sensor, and the top of the force transmission body extends out of the weighing shell; the second interval is the lower part interval to seal through sealed lid, can dismantle between sealed lid and the shell of weighing and be connected, and have certain height clearance between sealed lid bottom and the shell bottom surface of weighing.

Furthermore, the first interval is a lower interval, the weighing sensor is arranged below the partition plate and connected with the front circuit, the force transmission body is positioned below the weighing sensor, and the bottom of the force transmission body extends out of the weighing shell; the second interval is an upper interval and is sealed by a sealing cover, and the height of the sealing cover is lower than that of the top surface of the weighing shell.

The utility model discloses a modular weighing system, including at least a set of as above the weighing unit, still include the display element, be connected through wireless communication between weighing unit and the display element.

Furthermore, the intelligent mobile terminal is further included, the display unit is in wireless connection with the weighing unit on the one hand, and is in wireless connection with the intelligent mobile terminal on the other hand, and data are transmitted to a cloud end or a background.

Furthermore, the display unit adopts an intelligent mobile terminal which is directly in wireless connection with the weighing unit.

3. Advantageous effects

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:

(1) the utility model discloses a weighing unit, the interval tip of second is equipped with baffle and sealed lid, wherein sealed lid and the homonymy shell tip of weighing between have a high clearance for sealed lid does not bear the effort that the measured object weight produced when weighing, thereby helps improving the precision of weighing, reduces the error.

(2) The utility model discloses a combined weighing system, display element and weighing unit wireless communication are connected, accomplish weight measurement, demonstration and data upload function; all the parts can be stored and carried independently, can be directly combined for use, and is very convenient to carry and flexible to apply.

(3) The utility model discloses a modular weighing system, display element can directly adopt intelligent Mobile terminal direct and weighing unit wireless connection, accomplish data transmission, calculation and demonstration, or adopt conventional display element and through wireless and intelligent Mobile terminal wireless connection, reach high in the clouds or backstage with data, conveniently carry out visual display more during the use, convenient to use.

(4) The utility model discloses a modular weighing system is equipped with the setting element on the terminal surface that weighing unit and bearing platform contacted, and the last correspondence of bearing platform is equipped with matched with installation position, realizes weighing unit and bearing unit's location installation, and cooperation mounted position keeps fixed when the guarantee is installed at every turn and is used, helps improving the precision of weighing.

Drawings

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

FIG. 2 is a schematic top view of FIG. 1;

FIG. 3 is a schematic structural view of a weighing unit of the present invention;

FIG. 4 is a top view of FIG. 3;

fig. 5 is a schematic structural view of the combined weighing system of the present invention during weighing;

fig. 6 is a schematic view of the split combined weighing system of the present invention;

fig. 7 is a schematic diagram of the display unit according to the present invention.

The reference numerals in the schematic drawings illustrate:

100. a load bearing unit; 101. a load-bearing platform; 102. an installation position; 200. a weighing unit; 300. a display unit;

201. weighing the shell; 202. a partition plate; 203. a weighing sensor; 204. a force transmission body; 205. a first force-bearing surface; 206. a positioning member; 207. a power supply element; 208. a front-end circuit; 209. a sealing cover; 210. and a second force-bearing surface.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The present invention will be further described with reference to the following examples.

Example 1

As shown in fig. 1-4, the weighing unit 200 of the embodiment includes a weighing casing 201, an inner cavity of the weighing casing 201 is divided into two sections by a partition 202, wherein a weighing sensor 203 and a force transmission body 204 are disposed in a first section, the weighing sensor 203 is disposed on the partition 202, one end of the force transmission body 204 is disposed in the section, and the other end extends out of the weighing casing 201; in the second section, a power source 207 and a front-end circuit 208 are disposed, and the load cell 203 is connected to the front-end circuit 208. The two ends of the second interval are respectively provided with a clapboard 202 and a sealing cover 209, wherein a height gap is arranged between the sealing cover 209 and the end part of the weighing shell 201 on the same side. Wherein, the partition plate 202 is provided with a through hole for communicating the first interval with the second interval, thereby facilitating the installation and the wiring connection arrangement of the weighing sensor 203.

In this embodiment, the weighing casing 201 may adopt a cylindrical structure, as shown in fig. 1, which is a schematic structural view when the force transmission body 204 is upward, at this time, the first interval is an upper interval, the force transmission body 204 is located above the weighing sensor 203, and the top of the force transmission body 204 extends out of the weighing casing 201; specifically, the force transmission body 204 comprises a lower embedded part and an upper extending part, the diameter of the embedded part is larger than that of the extending part, and the top end of the weighing shell 201 extends inwards to form an inner wall with a certain length so as to be matched with the lower embedded part of the force transmission body 204 to block the force transmission body from being separated from the weighing shell 201; the extension of the force transmission body 204 continues to extend outwards from the top end of the weighing shell 201, and the top surface of the extension is the first force bearing surface 205. The embedded part at the lower part of the force transmission body 204 can be arranged in the weighing shell 201 in various ways such as a clamping groove or elastic suspension, and can maintain a certain height gap with the weighing sensor 203 or contact with the surface of the weighing sensor 203. When weighing, the force is applied to the weighing sensor 203 through the force transmission body 204, and the accurate measurement of the weight of the measured object is realized.

Correspondingly, as shown in fig. 1, the second interval is a lower interval and is closed by a sealing cover 209, and the sealing cover 209 and the weighing shell 201 are detachably connected, and various conventional connection manners in the industry such as threaded connection and the like can be specifically adopted, which is not described herein again; and have certain altitude clearance between sealed lid 209 bottom and the shell 201 bottom surface of weighing, sealed lid 209 bottom is unsettled promptly, is higher than the shell 201 bottom surface of weighing, and the bottom surface of shell 201 of weighing is placed subaerial during actual weighing, and the bottom anchor ring of shell 201 of weighing is second stress surface 210, and sealed lid 209 is unsettled then not contact ground, does not bear the effort that the measured object weight produced to help improving the precision of weighing, reduce the error.

In practical application, the corresponding display unit 300 can be arranged in a matching manner, and the weighing unit 200 is in wireless communication connection with the display unit 300 during working, so that the functions of weight measurement, display and data uploading are completed; when not in work, each unit can be independently stored and carried. It should be noted that the front-end circuit 208 includes a weighing circuit, a microprocessor and a wireless communication circuit, the display unit 300 includes a calculation circuit, a wireless communication circuit, a display screen, a control power supply and a display housing, the wireless communication circuit of the front-end circuit 208 is connected with the wireless communication circuit of the display unit 300 and performs data transmission, on one hand, the display unit 300 is wirelessly connected with the front-end circuit 208 to complete data transmission, calculation and display, on the other hand, the display unit can also be wirelessly connected with an intelligent mobile terminal to transmit data to a cloud end or a background; or the display unit 300 may directly adopt an intelligent mobile terminal such as a mobile phone, a tablet computer, an intelligent watch, etc., and the intelligent mobile terminal is directly wirelessly connected with the weighing unit 200 to complete data transmission, calculation and display. In this embodiment, the application of the weighing sensor 203, the design principle of the front-end circuit 208 and the display unit 300, the wireless connection technology, and the like all belong to the conventional technologies well-established in the industry, and are not described herein again.

In this embodiment, the single weighing unit 200 is adopted to realize portable weighing, and the object to be measured can be directly placed on the weighing unit 200, that is, the first force-bearing surface 205 of the force-transmitting body 204 is used for measurement, if the object to be measured is a bulk particle or a liquid, the object to be measured can be placed in a certain container for measurement, and the container mass is subtracted after the measurement is completed. When in use, a user only needs to carry the weighing unit 200 with a small volume at any time, and the weighing unit can be matched with a mobile phone which is carried about to complete the weighing function, so that the weighing device is simple and easy to use, is extremely convenient to carry, and can greatly expand the application range.

Example 2

A weighing unit of this embodiment is substantially the same as embodiment 1, except that in this embodiment, the weighing unit 200 is designed such that the force transmission body 204 is directed downward, that is, as shown in fig. 3 and 4, an inner cavity of the weighing housing 201 is divided into two sections by the partition 202, the first section is a lower section, the weighing sensor 203 is disposed below the partition 202 and connected to the front circuit 208, the force transmission body 204 is disposed below the weighing sensor 203, and the bottom of the force transmission body 204 extends beyond the weighing housing 201; at this time, the bottom surface of the force transmission body 204 is a first force bearing surface 205, and when the force transmission body is used, the first force bearing surface 205 is in contact with the ground, and the weighing sensor 203 plays a supporting role. The second interval is an upper interval and is closed by a sealing cover 209, and the height of the sealing cover 209 is lower than that of the top surface of the weighing shell 201, namely the top annular surface of the weighing shell 201 is a second stress surface 210. When weighing, the stress is applied to the weighing sensor 203 through the weighing shell 201 and the partition plate 202, and the accurate measurement of the weight of the measured object is realized.

Example 3

The combined weighing system of the embodiment adopts at least one group of weighing units 200 in the above embodiments, and further comprises a display unit 300, wherein the weighing units 200 and the display unit 300 are connected through wireless communication during working, so that the functions of weight measurement, display and data uploading are completed; when the device is not in operation, the device and the device can be carried and stored independently. Specifically, as mentioned in embodiment 1, the front-end circuit 208 of the weighing unit 200 includes a weighing circuit, a microprocessor, and a wireless communication circuit, the display unit 300 includes a calculation circuit, a wireless communication circuit, a display screen, a control power supply, and a display housing, the wireless communication circuit of the front-end circuit 208 is connected to the wireless communication circuit of the display unit 300 and performs data transmission, on one hand, the display unit 300 is wirelessly connected to the front-end circuit 208 to complete data transmission, calculation, and display, on the other hand, the display unit can also be wirelessly connected to the intelligent mobile terminal to transmit data to a cloud or a background; or the display unit 300 may directly adopt an intelligent mobile terminal such as a mobile phone, a tablet computer, an intelligent watch, etc., and the intelligent mobile terminal is directly wirelessly connected with the weighing unit 200 to complete data transmission, calculation and display.

Example 4

The combined weighing system of the present embodiment is substantially the same as embodiment 3, and further, the weighing system of the present embodiment further includes a load bearing unit 100 matched with the weighing unit 200, the weighing unit 200 is disposed below the load bearing unit 100, the load bearing unit 100 is made of a rigid material, an upper surface of the load bearing unit is in contact with a measured object, a lower surface of the load bearing unit is in contact with the weighing unit 200, and the weight of the measured object is transferred to the weighing unit 200.

As shown in fig. 5 and 6, the load-bearing unit 100 includes a load-bearing platform 101, and a mounting position 102 for cooperatively mounting the weighing unit 200 is arranged at the bottom of the load-bearing platform 101; when the weighing device is used, the weighing units 200 are correspondingly arranged below the installation positions 102, one or more groups of the bearing platforms 101 can be arranged, when the groups of the bearing platforms are arranged, the bearing platforms 101 are detachably connected, and specifically, various conventional detachable connection modes such as section slot matching or hinge can be adopted, which is not described herein. So can realize depositing alone and carrying after the stack of multiunit bearing platform 101, can assemble into whole during the use, it is very convenient. Correspondingly, the weighing units 200 may also be one or more sets, and one or more mounting locations 102 are disposed on the load-bearing platform 101, as shown in fig. 5, three sets of load-bearing platforms 101 are used in cooperation with four sets of weighing units 200, wherein two sets of load-bearing platforms 101 are respectively and correspondingly matched with two sets of weighing units 200 to form a conventional weighing scale structure. The number of the weighing units 200 can be adjusted according to different measuring objects during use, for example, only one group of weighing units 200 is used during measuring light objects, and four groups of weighing units 200 can be adopted when the weighing scale is used as the embodiment.

Correspondingly, in this embodiment, a positioning member 206 for positioning and matching with the load-bearing platform 101 is disposed on the top wall of the weighing enclosure 201, and the installation position 102 of the load-bearing platform 101 is correspondingly matched with the positioning member 206. Specifically, when the force transmission body 204 is designed to face upward, as shown in fig. 1, a positioning member 206 for positioning and matching with the load-bearing platform 101 is disposed at the top of the force transmission body 204, and the installation site 102 of the load-bearing platform 101 correspondingly matches with the positioning member 206. The matching form of the positioning element 206 and the mounting position 102 can adopt various positioning forms common in the industry, such as the matching of a protrusion and a recess, the matching of a positioning column and a positioning hole, and the like, specifically, as shown in fig. 1, the positioning element 206 can be arranged in a protrusion shape, a matching groove is correspondingly arranged in the mounting position 102 of the bearing platform 101, the positioning and mounting of the weighing unit 200 and the bearing unit 100 are realized through the matching of the positioning element 206 and the mounting position 102, and the weighing precision is improved; particularly, when a plurality of sets of weighing units 200 are used in cooperation, the corresponding weighing units 200 and the corresponding mounting positions 102 can be marked correspondingly by the same reference numbers, so that the corresponding mounting positions can be kept fixed in cooperation with each mounting application.

If the force transmission body 204 is designed downwards, as shown in fig. 3, the positioning member 206 may be an annular protrusion protruding from the top surface of the weighing casing 201, and the mounting position 102 of the load-bearing platform 101 is correspondingly disposed in a matching annular groove, so as to achieve positioning and mounting. Similarly, other positioning structures commonly used in the industry may also be adopted, and are not further described herein.

The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims

1. A weighing cell, characterized by: the weighing unit (200) comprises a weighing shell (201), the inner cavity of the weighing shell (201) is divided into two sections by a partition plate (202), wherein a weighing sensor (203) and a force transmission body (204) are placed in the first section, the weighing sensor (203) is arranged on the partition plate (202), one end of the force transmission body (204) is positioned in the section, and the other end of the force transmission body extends out of the weighing shell (201); a power supply member (207) and a front-end circuit (208) are arranged in the second interval, and the weighing sensor (203) is connected with the front-end circuit (208).

2. A weighing cell according to claim 1, wherein: a partition plate (202) and a sealing cover (209) are respectively arranged at two ends of the second interval, and a height gap is formed between the sealing cover (209) and the end part of the weighing shell (201) on the same side.

3. A weighing cell according to claim 1, wherein: the partition plate (202) is provided with a through hole for communicating the first interval and the second interval.

4. A weighing cell according to claim 2, wherein: the first interval is an upper interval, the force transmission body (204) is positioned above the weighing sensor (203), and the top of the force transmission body (204) extends out of the weighing shell (201); the second interval is the lower part interval to seal through sealed lid (209), can dismantle between sealed lid (209) and the shell of weighing (201) and be connected, and have certain height clearance between sealed lid (209) bottom and the shell of weighing (201) bottom surface.

5. A weighing cell according to claim 2, wherein: the first interval is a lower interval, the weighing sensor (203) is arranged below the partition plate (202) and is connected with the front-end circuit (208), the force transmission body (204) is positioned below the weighing sensor (203), and the bottom of the force transmission body (204) extends out of the weighing shell (201); the second interval is an upper interval and is closed by a sealing cover (209), and the height of the sealing cover (209) is lower than the height of the top surface of the weighing shell (201).

6. Combined weighing system comprising at least one set of weighing cells (200) according to any one of claims 1 to 5, characterized in that: the weighing system also comprises a display unit (300), and the weighing unit (200) is connected with the display unit (300) through wireless communication.

7. The modular weighing system of claim 6, wherein: the intelligent mobile terminal is further included, the display unit (300) is in wireless connection with the weighing unit (200) on the one hand, and is in wireless connection with the intelligent mobile terminal on the other hand, and data are transmitted to a cloud end or a background.

8. The modular weighing system of claim 6, wherein: the display unit (300) adopts an intelligent mobile terminal, and the intelligent mobile terminal is directly in wireless connection with the weighing unit (200).