CN112033504B

CN112033504B - Liquid quality measuring equipment

Info

Publication number: CN112033504B
Application number: CN202010978157.7A
Authority: CN
Inventors: 谈剑峰; 陈正刚; 易小梅; 杨晓霞; 李洲
Original assignee: Nanning University
Current assignee: Guangxi Wanyou Network Technology Co.,Ltd.
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2022-02-01
Anticipated expiration: 2040-09-17
Also published as: CN112033504A

Abstract

The invention discloses liquid mass metering equipment which comprises a main frame, wherein a metering cylinder is arranged on the main frame in a sliding manner along the vertical direction, a liquid inlet and a liquid outlet are formed in the main frame, and a metering inlet communicated with the liquid inlet and a metering outlet communicated with the liquid outlet are respectively formed in the top end and the bottom of the metering cylinder; the metering inlet and the liquid inlet as well as the metering outlet and the liquid outlet are communicated through corrugated pipes; the body frame is provided with a supporting seat used for supporting the metering cylinder in a sliding manner, and a detection structure used for detecting the stress of the supporting seat is arranged on the body frame. This scheme is through advancing, liquid outlet and measurement export, and the setting of measurement entry for to advance, go out of liquid in the metering cylinder and control, not only can adopt sealed metering cylinder to avoid the liquid leakage of weighing, simultaneously, need not manual control and advance, go out liquid, improved work efficiency greatly, suitable using widely.

Description

Liquid quality measuring equipment

Technical Field

The invention relates to the technical field of liquid weighing, in particular to liquid quality measuring equipment.

Background

At present the metering mode of liquid mainly includes static scale measurement, weighing measurement and flow meter measurement etc, wherein, weighing measurement is because of its metering installation simple structure, use, beneficial effect such as maintenance cost low, received extensive application, but weighing measurement is direct to pour liquid into in the appointed container mostly, measure through the detection poor to the container weight, take out and put into for being convenient for liquid, the container needs to set up alone, can't seal, this just makes when examining poisonous liquid, there is outer hourglass hidden danger in liquid, and simultaneously, must artifically overturn the operations such as pouring liquid to the container at the in-process of business turn over liquid, examine time measuring to big dose liquid, be not convenient for operate.

Disclosure of Invention

The invention aims to: provided is a liquid quality measuring device which can prevent liquid from leaking and does not need manual control of a container.

The technical scheme adopted by the invention is as follows:

a liquid quality measuring device comprises a main frame, wherein a measuring cylinder is arranged on the main frame in a sliding mode along the vertical direction, a liquid inlet and a liquid outlet are formed in the main frame, and a measuring inlet communicated with the liquid inlet and a measuring outlet communicated with the liquid outlet are formed in the top end and the bottom of the measuring cylinder respectively; the metering inlet and the liquid inlet as well as the metering outlet and the liquid outlet are communicated through corrugated pipes; the body frame is provided with a supporting seat used for supporting the metering cylinder in a sliding manner, and a detection structure used for detecting the stress of the supporting seat is arranged on the body frame. Advance, liquid outlet and measurement export, the setting of measurement entry can be under to the inclosed condition of metering cylinder, to the advancing of liquid in the metering cylinder, go out to control, the metering cylinder of slip setting is convenient for load the weight of metering cylinder on the supporting seat to detect the gravity change of metering cylinder through detecting the structure, the setting of bellows then can avoid the poor condition that causes the unstable effect of liquid circulation of the displacement of body frame and metering cylinder, improve the stability of device.

Preferably, be provided with the slide bar on the supporting seat, the slide bar passes the body frame freely sets up, it is in to detect the structure including setting up the piston cylinder of body frame bottom and with the regulation section of thick bamboo of piston cylinder bottom intercommunication, the free end of slide bar be provided with the first piston piece of piston cylinder complex, it is provided with the regulation pole to adjust a section of thick bamboo top, the one end of adjusting the pole is passed adjust a section of thick bamboo and is provided with the second piston piece, the second piston piece with adjust a section of thick bamboo cooperation setting, the other end of adjusting the pole is provided with end block, still be provided with the buffering spring in adjusting a section of thick bamboo, the buffering spring wind adjust the pole setting, the both ends of buffering spring respectively with adjust a section of thick bamboo lateral wall and second piston piece contact setting. Through the arrangement of the piston cylinder and the adjusting cylinder communicated with the bottom end of the piston cylinder, when the weight in the metering cylinder is increased, the supporting seat and the sliding rod are forced to move downwards, the oil in the cavity is extruded through the first piston block, the arrangement of the buffer spring in the adjusting cylinder is realized, when the oil is extruded by the first piston block, the second piston block naturally moves upwards to extrude the buffer spring until the resetting force and the pressure of the spring are balanced, the first piston block and the second piston block stop acting, at the moment, the front-back weight difference can be calculated through the detection of the oil pressure force and the pre-measured section size of the piston cylinder, the scheme is that the weight is converted into the detection mode of the oil pressure force, compared with the traditional mode of directly detecting the weight (the traditional weight detection mode is that the metering container is directly arranged on the pressure sensing module, if the structure of automatically feeding and discharging is adopted, great pressure that the measurement container lasts can lead to the fact the influence to the life of response module), the precision that detects can not only be guaranteed to this scheme, can also avoid applying long-time big pressure (oil hydraulic pressure force detects some pressure in the detectable interval, can not lead to the fact the influence to detection module's normal use), and simultaneously, can also cooperate with the metering cylinder that slides the setting, buffer the feeding liquid of metering cylinder, the impact force of avoiding the feed liquor process leads to the fact the influence to the stability of device, and realize the extrusion of fluid and the automatic re-setting after measuring through the cooperation of buffering spring.

Preferably, the bottom end of the metering cylinder is provided with a guide inclined plane, and the supporting seat is provided with a supporting inclined plane matched with the guide inclined plane. The setting of direction inclined plane and support inclined plane, the gravity with a measuring cylinder that can be fine shifts to the supporting seat on to this conversion effect who guarantees pressure.

Preferably, the supporting seat is symmetrically provided with a plurality of supporting seats along the metering cylinder. A plurality of the setting of supporting seat can support a measuring section of thick bamboo the multiple spot, further improves the supporting effect.

Preferably, a measuring scale is arranged on the main frame along the vertical direction, and the measuring scale is arranged close to the end block. The arrangement of the metering scale can detect the weight of the liquid approximately through the position change of the end block at different scales of the scale when the liquid quality is not required to be detected accurately, and the detection efficiency is greatly improved.

Preferably, a controller is arranged on the main frame, and a pressure gauge electrically connected with the controller is arranged at the communication position of the piston cylinder and the adjusting cylinder. The setting of controller and pressure gauge then is used for carrying out real-time detection to piston cylinder bottom oil pressure force, can upload to the controller with piston cylinder cross-sectional dimension during the in-service use, and the controller then exports the gravity value in real time according to oil pressure force.

Preferably, the metering inlet and the metering outlet are both provided with control switches. The control switch is arranged, so that the liquid inlet and outlet conditions of the metering cylinder can be controlled conveniently, the control effect is improved, and the liquid can be metered and detected in batches conveniently.

Preferably, a first guide plate is vertically arranged in the metering cylinder close to the metering inlet, a second guide plate is arranged at the end part of the first guide plate and inclines downwards towards the metering inlet, and the second guide plate is arranged close to the side wall of the metering cylinder. First, the setting of second baffle can be when liquid gets into a measuring section of thick bamboo, causes measuring section of thick bamboo lateral wall with it, makes it along with the lateral wall landing, avoids liquid directly to drip and causes the fluctuation of gravity great, is difficult to the stable condition, in addition, when partial liquid is measured, can also avoid liquid directly to drop and produce a large amount of bubbles, guarantees the detection effect.

Preferably, the main frame is further provided with an electromagnetic directional valve, an inlet end of the electromagnetic directional valve is respectively communicated with a steam generator and a liquid inlet pump, and an outlet end of the electromagnetic directional valve is communicated with the liquid inlet. The setting of electromagnetic reversing valve can communicate feed liquor pump and inlet when using, will wait to weigh in the leading-in liquid inlet tube of liquid to reach the purpose of weighing, after using the completion, steerable electromagnetic reversing valve intercommunication steam generator and inlet clean the metering tube through high temperature steam, avoid liquid to remain to influence follow-up detection.

Preferably, be provided with the sliding block on the lateral wall of a metering cylinder, vertically on the body frame be provided with sliding block complex sliding track, the cross-section of sliding block is "T" type setting, be provided with the ball groove on the sliding block, the ball inslot is provided with the support ball, support the ball with sliding track contact sets up, the ball groove winds the sliding block lateral wall is provided with a plurality ofly. The T-shaped sliding blocks and the sliding tracks can ensure that the metering drum runs along the tracks, the using effect is improved, and the sliding friction between the sliding blocks and the sliding tracks can be converted into rolling friction by the arrangement of the supporting balls, so that the normal use of the device is prevented from being influenced by large friction force.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. according to the invention, through the arrangement of the liquid inlet, the liquid outlet, the metering outlet and the metering inlet, the inlet and the outlet of liquid in the metering cylinder are controlled, the sealed metering cylinder is adopted to avoid the leakage of the liquid to be weighed, meanwhile, the manual control of the inlet and the outlet is not needed, the working efficiency is greatly improved, and the device is suitable for popularization and use.

2. Compared with the traditional method of directly detecting the weight, the method for detecting the weight of the oil-liquid separator has the advantages that the weight is converted into the oil-liquid pressure, the detection accuracy can be guaranteed, long-time large pressure can be prevented from being applied to the detection module, meanwhile, the method can be matched with the metering cylinder which is arranged in a sliding mode to buffer the liquid inlet of the metering cylinder, the influence of the impact force in the liquid inlet process on the stability of the device is avoided, and the oil-liquid separator can extrude the oil liquid and automatically reset after measurement through the matching of the buffer spring.

3. According to the liquid measuring device, the first guide plate and the second guide plate are arranged, so that liquid can be guided to the side wall of the measuring cylinder when entering the measuring cylinder, and can slide along the side wall, the situation that the liquid directly drops to cause large gravity fluctuation and is difficult to stabilize is avoided, and in addition, when part of liquid is measured, the liquid can be prevented from directly dropping to generate a large amount of bubbles, and the detection effect is ensured.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic cross-sectional structure of the present invention.

Fig. 2 is an enlarged schematic view of region a in fig. 1.

FIG. 3 is a schematic diagram of the sliding block and the sliding track according to the present invention.

The labels in the figure are: 1-main frame, 2-metering cylinder, 3-liquid inlet, 4-liquid outlet, 5-metering inlet, 6-metering outlet, 7-corrugated pipe, 8-supporting seat, 9-sliding rod, 10-piston cylinder, 11-adjusting cylinder, 12-first piston block, 13-adjusting rod, 14-second piston block, 15-end block, 16-buffer spring, 17-guiding inclined plane, 18-supporting inclined plane, 19-metering scale, 20-controller, 21-pressure gauge, 22-control switch, 23-first guide plate, 24-second guide plate, 25-electromagnetic reversing valve, 26-steam generator, 27-sliding block pump, 28-sliding block, 29-sliding track, 30-ball groove and 31-supporting ball.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

As shown in fig. 1-3, a liquid mass metering device includes a main frame 1, a sliding block 28 is disposed on an outer side wall of a metering cylinder 2, a sliding track 29 matched with the sliding block 28 is vertically disposed on the main frame 1, a cross section of the sliding block 28 is arranged in a "T" shape, a ball groove 30 is disposed on the sliding block 28, a supporting ball 31 is disposed in the ball groove 30, the supporting ball 31 is disposed in contact with the sliding track 29, and a plurality of ball grooves 30 are disposed around a side wall of the sliding block 28; a liquid inlet 3 and a liquid outlet 4 are arranged on the main frame 1, and a metering inlet 5 communicated with the liquid inlet 3 and a metering outlet 6 communicated with the liquid outlet 4 are respectively arranged at the top end and the bottom end of the metering cylinder 2; the metering inlet 5 and the liquid inlet 3, and the metering outlet 6 and the liquid outlet 4 are communicated through corrugated pipes 7; the metering inlet 5 and the metering outlet 6 are both provided with a control switch 22; a first guide plate 23 is vertically arranged in the metering cylinder 2 close to the metering inlet 5, a second guide plate 24 is arranged at the end part of the first guide plate 23 and inclines downwards towards the metering inlet 5, and the second guide plate 24 is arranged close to the side wall of the metering cylinder 2; the main frame 1 is provided with a plurality of (two in this example) supporting seats 8 for supporting the metering cylinders 2 in a sliding manner, and the supporting seats 8 are symmetrically arranged along the metering cylinders 2; a guide inclined plane 17 is arranged at the bottom end of the metering cylinder 2, and a support inclined plane 18 matched with the guide inclined plane 17 is arranged on the support seat 8; the supporting seat 8 is provided with a sliding rod 9, the sliding rod 9 passes through the main frame 1 and is freely arranged, the bottom end of the main frame 1 is provided with a piston cylinder 10 and an adjusting cylinder 11 communicated with the bottom end of the piston cylinder 10, the free end of the sliding rod 9 is provided with a first piston block 12 matched with the piston cylinder 10, the main frame 1 is provided with a controller 20, and the communication part of the piston cylinder 10 and the adjusting cylinder 11 is provided with a pressure gauge 21 electrically connected with the controller 20; an adjusting rod 13 is arranged at the top end of the adjusting cylinder 11, a second piston block 14 is arranged at one end of the adjusting rod 13, the second piston block 14 is arranged in a matched mode with the adjusting cylinder 11, an end block 15 is arranged at the other end of the adjusting rod 13, a buffering spring 16 is further arranged in the adjusting cylinder 11, the buffering spring 16 is arranged around the adjusting rod 13, and two ends of the buffering spring 16 are respectively arranged in contact with the side wall of the adjusting cylinder 11 and the second piston block 14; a metering scale 19 is arranged on the main frame 1 along the vertical direction, and the metering scale 19 is arranged close to the end block 15; the main frame 1 is further provided with an electromagnetic directional valve 25, the inlet end of the electromagnetic directional valve 25 is respectively communicated with a steam generator 26 and a liquid inlet pump 27, and the outlet end of the electromagnetic directional valve 25 is communicated with the liquid inlet 3.

In the using process, the liquid inlet pump 27 and the control switch 22 at the metering inlet 5 are firstly opened, liquid is pumped by the liquid inlet pump 27, enters the metering chamber after passing through the electromagnetic directional valve 25, the liquid inlet 3, the corrugated pipe 7 and the metering inlet 5, the liquid is guided by the first guide plate 24 and the second guide plate 24 and then slides from the side wall of the metering cylinder 2 to the bottom end of the metering cylinder 2, at the moment, the metering cylinder 2 descends due to the gravity of the liquid to drive the supporting seat 8 to descend, the first piston block 12 descends synchronously under control, so that the oil flows from the piston cylinder 10 to the adjusting cylinder 11, the second piston block 14 is jacked up to compress the buffer spring 16 until the elastic force of the buffer spring 16 is balanced with the gravity borne by the supporting seat 8, the pressure gauge 21 sends the oil pressure to the controller 20 after stabilization, the controller 20 can calculate the gravity of the metering cylinder 2 according to the oil pressure and the section size of the piston cylinder 10, and the liquid gravity before liquid inlet can be compared with the gravity, after the measurement is finished, the control switch 22 at the position of the metering outlet 6 is controlled to be opened, after the liquid is led out, the electromagnetic reversing valve 25 is controlled to reverse, the steam generator 26 is started, and the metering cylinder 2 is cleaned through high-temperature steam, so that the subsequent use is facilitated.

It is worth mentioning that if weighing is used for continuous production, the approximate weight can be observed directly by the measuring scale 19 without detecting by the pressure gauge 21 (the same weight can compress the buffer spring 16 to the same position), so that the measuring efficiency is further improved, and the weighing device is suitable for popularization and use.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a liquid mass measurement equipment, includes body frame (1), its characterized in that, it is provided with a metering cylinder (2) to slide along vertical direction on body frame (1), wherein:

a liquid inlet (3) and a liquid outlet (4) are formed in the main frame (1), and a metering inlet (5) communicated with the liquid inlet (3) and a metering outlet (6) communicated with the liquid outlet (4) are respectively formed in the top end and the bottom of the metering cylinder (2);

the metering inlet (5) and the liquid inlet (3) as well as the metering outlet (6) and the liquid outlet (4) are communicated through a corrugated pipe (7);

the main frame (1) is provided with a supporting seat (8) used for supporting the metering cylinder (2) in a sliding manner, and the main frame (1) is provided with a detection structure used for detecting the stress of the supporting seat (8);

the detection device is characterized in that a sliding rod (9) is arranged on the supporting seat (8), the sliding rod (9) penetrates through the main frame (1) to be freely arranged, the detection structure comprises a piston cylinder (10) arranged at the bottom end of the main frame (1) and an adjusting cylinder (11) communicated with the bottom end of the piston cylinder (10), a first piston block (12) matched with the piston cylinder (10) is arranged at the free end of the sliding rod (9), an adjusting rod (13) is arranged at the top end of the adjusting cylinder (11), a second piston block (14) is arranged at one end of the adjusting rod (13) after penetrating through the adjusting cylinder (11), the second piston block (14) is matched with the adjusting cylinder (11), an end block (15) is arranged at the other end of the adjusting rod (13), a buffering spring (16) is further arranged in the adjusting cylinder (11), and the buffering spring (16) winds around the adjusting rod (13), two ends of the buffer spring (16) are respectively contacted with the side wall of the adjusting cylinder (11) and the second piston block (14).

2. A liquid mass metering device according to claim 1, characterized in that the bottom end of the metering cylinder (2) is provided with a guide slope (17), and the support seat (8) is provided with a support slope (18) cooperating with the guide slope (17).

3. A liquid mass metering device according to claim 2, wherein said support seat (8) is provided in plurality symmetrically along said metering cylinder (2).

4. A liquid mass metering device according to claim 1, characterized in that a metering scale (19) is arranged on the main frame (1) in the vertical direction, said metering scale (19) being arranged close to the end block (15).

5. A liquid mass metering device according to claim 1, characterized in that a controller (20) is arranged on the main frame (1), and a pressure gauge (21) electrically connected with the controller (20) is arranged at the communication position of the piston cylinder (10) and the adjusting cylinder (11).

6. A liquid mass metering device according to claim 1, characterized in that both the metering inlet (5) and the metering outlet (6) are provided with a control switch (22).

7. A liquid mass metering device according to claim 1, characterized in that a first guide plate (23) is vertically arranged inside the metering drum (2) close to the metering inlet (5), a second guide plate (24) is arranged with the end of the first guide plate (23) inclined downwards towards the metering inlet (5), the second guide plate (24) being arranged close to the side wall of the metering drum (2).

8. A liquid quality measuring device according to claim 1, characterized in that the main frame (1) is further provided with an electromagnetic directional valve (25), the inlet end of the electromagnetic directional valve (25) is respectively communicated with a steam generator (26) and a liquid inlet pump (27), and the outlet end of the electromagnetic directional valve (25) is communicated with the liquid inlet (3).

9. A liquid quality measuring device according to any one of claims 1-8, wherein a sliding block (28) is arranged on the outer side wall of the measuring cylinder (2), a sliding track (29) matched with the sliding block (28) is vertically arranged on the main frame (1), the section of the sliding block (28) is arranged in a T shape, a ball groove (30) is arranged on the sliding block (28), a supporting ball (31) is arranged in the ball groove (30), the supporting ball (31) is arranged in contact with the sliding track (29), and a plurality of ball grooves (30) are arranged around the side wall of the sliding block (28).