CN202141659U - Instrument for measuring liquid concentration - Google Patents
Instrument for measuring liquid concentration Download PDFInfo
- Publication number
- CN202141659U CN202141659U CN201120238661U CN201120238661U CN202141659U CN 202141659 U CN202141659 U CN 202141659U CN 201120238661 U CN201120238661 U CN 201120238661U CN 201120238661 U CN201120238661 U CN 201120238661U CN 202141659 U CN202141659 U CN 202141659U
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- solution
- measurement unit
- instrument
- temperature measurement
- temperature
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- Expired - Lifetime
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- 239000007788 liquid Substances 0.000 title abstract description 10
- 238000005303 weighing Methods 0.000 claims abstract description 21
- 230000001681 protective effect Effects 0.000 claims abstract description 19
- 239000004677 Nylon Substances 0.000 claims abstract description 13
- 238000004891 communication Methods 0.000 claims abstract description 13
- 229920001778 nylon Polymers 0.000 claims abstract description 13
- 238000009529 body temperature measurement Methods 0.000 claims description 27
- 238000005259 measurement Methods 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 4
- 238000005422 blasting Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000000523 sample Substances 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000012141 concentrate Substances 0.000 abstract 1
- 210000004027 cell Anatomy 0.000 description 21
- 238000005260 corrosion Methods 0.000 description 8
- 230000007797 corrosion Effects 0.000 description 8
- 238000004378 air conditioning Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 4
- 230000003993 interaction Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Landscapes
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The utility model provides an instrument for measuring liquid concentration, which comprises a protective shell, a weighing component, a connecting line, a weighing sensor, a temperature measuring unit and a control unit. A first opening is arranged at the bottom of the protective shell; a protective film is arranged at the first opening; a second opening is arranged at the side wall of the protective shell; a waterproof nylon cable joint is arranged at the second opening; the weighing component is dipped in liquid to be measured; the connecting line penetrates through a small hole arranged on the protective film; the first end of the connecting line is connected with the weighing component; the weighing sensor is arranged inside the protective shell and is connected with the second end of the connecting line; the temperature measuring unit is arranged on the side wall of a liquid slot for containing the liquid to be measured; the temperature detecting end of the temperature measuring unit is dipped in the liquid to be measured and is used for measuring the temperature of the liquid to be measured; and the control unit is used for calculating the concentration of the liquid to be measured and transmitting the concentration to a remote control centre through a communication interface. The technical scheme is beneficial for remotely transmitting the concentrate of the measured corrosive liquid to the control centre conveniently and accurately.
Description
Technical field
The utility model relates to the instrument field, relates to a kind of instrument of measuring solution concentration.
Background technology
Because in the advantage of aspects such as low-grade energy capable of using, energy savings consumption, protection environment, in recent years, the solution type dehumidifying air-conditioning system has obtained paying close attention to comparatively widely.The ultimate principle of this air-conditioning system is to utilize hygroscopic solution directly to contact with air, utilizes the temperature difference of hygroscopic solution and air and the transmittance process that the steam partial pressure difference is carried out heat and quality, thereby realizes the hot procedure for wet processing to air.
Because the isoconcentration line of dehumidifying salt solusion almost overlaps with the equal relative humidity line of soft air, the air air supply parameter and the solution concentration of solution type dehumidifying air-conditioning system have confidential relation, and solution concentration becomes a key control parameter of this air-conditioning system.The solution type dehumidifying air-conditioning system is had relatively high expectations to measurement of concetration, and the one, requirement measurement of concetration signal can be converted into digital signal and supply control system to use, and the 2nd, the requirement surveying instrument possesses certain Corrosion Protection, with the corrosion that prevents that salt solusion from causing.
Tradition measurement of concetration way is to utilize float densimeter measurement solution density, measures solution temperature then, according to solution rerum natura curve, checks in solution concentration.The tradition concentration measuring method is consuming time longer, and can't measuring-signal be converted into digital signal.
Existing electron concentration meter generally is to measure the stressed variation that is immersed in the parts of weighing in the solution, measures the temperature of solution simultaneously, utilizes single-chip microcomputer to calculate solution concentration according to stressed variation and solution temperature then.
In the prior art, to there not being anticorrosive measure, can't realize that the solution concentration problems of measurement of telecommunications functions does not propose effective solution at present as yet.
The utility model content
The fundamental purpose of the utility model provides a kind of instrument of measuring solution concentration, does not have anticorrosive measure to solve in the prior art, can't realize the solution concentration problems of measurement of telecommunications functions.
To achieve these goals, the utility model provides a kind of instrument of measuring solution concentration.
The instrument of the measurement solution concentration of the utility model comprises: guard shield, bottom are provided with first opening, and first opening part is provided with protective film, and sidewall is provided with second opening, and second opening part is provided with the waterproof nylon cable splice; The parts of weighing are immersed in the detected solution; Connecting line passes the aperture that is provided with on the protective film, and first end of connecting line connects the parts of weighing; LOAD CELLS is arranged at the inside of guard shield, connects second end of connecting line, is used for converting the stressed variation of the parts of weighing into change in voltage; Temperature measurement unit is arranged on the solution tank sidewall of splendid attire detected solution, and the temperature end of probe of temperature measurement unit immerses in the detected solution, is used to measure the temperature of detected solution; And control module; Be arranged at the inside of said guard shield, comprise communication interface, control module connects LOAD CELLS and temperature measurement unit respectively; Be used to receive LOAD CELLS and the measured data of temperature measurement unit; And go out the concentration of detected solution according to data computation, and through control module concentration data is sent out, insert remote control center through communication interface; Wherein, the connecting line of temperature measurement unit, communication interface and control module is through the switching of waterproof nylon cable splice.
Further, temperature measurement unit is provided with sealed interface.
Further, temperature measurement unit peripheral hardware plastic-blasting layer is used for the seal temperature measuring unit.
Further, guard shield adopts the anticorrosive property material.
Further, control module also comprises: analog to digital converter, connect temperature measurement unit and LOAD CELLS, and be used for converting the analog information of temperature measurement unit and LOAD CELLS measurement into numerical information; And microcontroller, the connection mode number converter is used for numerical information is calculated, and draws the concentration data of detected solution.
Further, control module also comprises the on-line calibration subelement, is used for symmetrical heavy parts and calibrates.
Further, temperature measurement unit is a temperature sensor.
Technical scheme according to the utility model; The solution density value that control module utilizes the solution temperature signal and calculates through logical calculated, can obtain the solution concentration value.Utilize parts such as protective film, guard shield, waterproof nylon cable splice to realize sealing, receive the corrosion of solution to avoid control module, LOAD CELLS and internal signal circuit etc.Parameters such as the solution concentration in the control module can realize the data interaction with remote control center through the RS-485 communication interface output based on the Modbus-RTU agreement.Therefore, adopt the technical scheme of the utility model, can realize the remote signal transmission convenient, exactly, be applicable to solution concentration in-site measurement environment, can satisfy needing of all kinds of solution concentration tests.
Description of drawings
Figure of description is used to provide the further understanding to the utility model, constitutes the application's a part, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:
Fig. 1 is the concrete structure synoptic diagram according to the instrument of the measurement solution concentration of the utility model embodiment.
Embodiment
Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.Below with reference to accompanying drawing and combine embodiment to specify the utility model.
Fig. 1 is the concrete structure synoptic diagram according to the instrument of the measurement solution concentration of the utility model embodiment.
Referring to shown in Figure 1, the parts 2 of weighing are immersed in the detected solution; First end of connecting line 9 connects the parts 2 of weighing; Second end of connecting line 9 connects LOAD CELLS 8, and the parts 2 of weighing pass protective film 3 through connecting line 9 and are connected with LOAD CELLS 8, and will the weigh stressed variation of parts 2 of LOAD CELLS 8 is converted into change in voltage and is input in the control module 5; Temperature measurement unit 10 is measured solution temperature in the solution tank 1, and temperature measurement unit 10 is provided with sealed interface 11.The instrument of measuring solution concentration also comprises guard shield 4, and guard shield 4 is arranged on the outside of control module 5 and LOAD CELLS 8, and guard shield 4 comprises protective film 3, and this protective film 3 is arranged at the opening part of the bottom of guard shield 4, is used for sealed open.Wherein, protective film 3, guard shield 4, waterproof nylon cable splice 6 constitute sealing, receive the corrosion of solution to avoid control module 5, LOAD CELLS 8 and internal signal circuit etc.The solution temperature signal connects to waterproof nylon cable splice 6 through signal wire, sends control module 5 then to; Control module 5 is based on temperature that obtains and pressure signal; Pass through logical calculated; Calculate solution concentration, the solution concentration signal connects to waterproof nylon cable splice 6 through signal wire, then through based on the RS-485 communication interface 7 of Modbus-RTU agreement parameters such as solution concentration being exported.The instrument of measuring solution concentration also comprises guard shield 4, and this guard shield 4 is arranged at the outside of control module 5 and LOAD CELLS 8, is used to seal control module 5 and LOAD CELLS 8, and wherein the bottom of guard shield 4 is provided with the opening that passes connecting line 9.
Preferably, temperature measurement unit 10 is a temperature sensor.
Preferably, the shell of the parts 2 of weighing uses corrosion-resistant engineering plastics to make, weight material such as the plastic iron sand of inner filling; The parts of weighing are relatively stable in certain pressure, temperature lower volume.The component shape of weighing is generally flat right cylinder or other flat pattern, also can measure when liquid level is low in solution tank.
Preferably, protective film 3 is made by rubber diaphragm, and there is an aperture at the film middle part, and the connecting line 9 that connects the LOAD CELLS 8 and the parts 2 of weighing passes from aperture.The existence of protective film 3 can weaken connecting line and slightly rock the influence to measurement result, and can protect control module 5, LOAD CELLS 8 and internal signal circuit etc. to avoid the corrosion of solution.
Preferably, guard shield 4 is made by PVC plastics or other anticorrosive, seals.
Preferably; Control module 5 uses 24 high-precision AD (analog to digital converter) and high-performance MCU (microcontroller); To the temperature of sensor measurement with receive force signal to carry out Filtering Processing and computing; Calculate parameters such as solution density, concentration, and through measuring based on the RS-485 communication interface 7 of Modbus-RTU agreement and calculating parameter output.
Preferably, waterproof nylon cable splice 6 is a seal member, and temperature measurement unit 10, communication interface 7 are all transferred through waterproof nylon cable splice 6 with the connecting line of control module 5.
Preferably, LOAD CELLS 8 is a LOAD CELLS, is used to obtain weigh parts to the pulling force of sensor, and will receives force signal to be converted into electrical signal transfer to give control module 5.
Preferably, connecting line 9 is used to connect LOAD CELLS 8 and weighs parts 2, is made by high-power line or the strong linear material of the little resistance to tension of other deformation.
Preferably, temperature measurement unit 10 is handled through plastic-blasting, and has sealed interface 11, can be connected easily on the cell body that corrosive solution is housed.
Preferably, control module 5 also comprises the on-line calibration subelement, is used for symmetrical heavy parts 2 and calibrates.
Technical scheme according to the utility model; The solution density value that control module utilizes the solution temperature signal and calculates through logical calculated, can obtain the solution concentration value.Utilize parts such as protective film, guard shield, waterproof nylon cable splice to realize sealing, receive the corrosion of solution to avoid control module, LOAD CELLS and internal signal circuit etc.Parameters such as the solution concentration in the control module can realize the data interaction with remote control center through the RS-485 communication interface output based on the Modbus-RTU agreement.Therefore, adopt the technical scheme of the utility model, can realize the remote signal transmission convenient, exactly, be applicable to solution concentration in-site measurement environment, can satisfy needing of all kinds of solution concentration tests.
Obviously, it is apparent to those skilled in the art that the field instrument that the disclosed solution concentration of the utility model is measured, belong to based on the measurement of concetration technology of mechanics metering with temperature measurement.At first; It is immersed in the stressed variation of the parts of weighing in the solution through measurement; Stressed variation is converted into electric signal through LOAD CELLS sends into control module and handle, because there are linear relationship in detected solution density and stressing conditions, control module can calculate the solution density value; Simultaneously, it is through the temperature sensor measurement solution temperature; The solution density value that control module utilizes the solution temperature signal and calculates through logical calculated, can obtain the solution concentration value.It utilizes parts such as protective film, guard shield, waterproof nylon cable splice to realize sealing, receives the corrosion of solution to avoid control module, LOAD CELLS and internal signal circuit etc.Parameters such as the solution concentration in the control module can realize the data interaction with remote control center through the RS-485 communication interface output based on the Modbus-RTU agreement.
The preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (7)
1. an instrument of measuring solution concentration is characterized in that, comprising:
Guard shield (4), the bottom is provided with first opening, and said first opening part is provided with protective film (3), and sidewall is provided with second opening, and said second opening part is provided with waterproof nylon cable splice (6);
The parts (2) of weighing are immersed in the detected solution (1);
Connecting line (9) passes said protective film (3) and goes up the aperture that is provided with, and first end of said connecting line (9) connects the said parts of weighing (2);
LOAD CELLS (8) is arranged at the inside of said guard shield (4), connects second end of said connecting line (9), is used for converting the stressed variation of the said parts of weighing (2) into change in voltage;
Temperature measurement unit (10) is arranged on the solution tank sidewall of the said detected solution of splendid attire (1), and the temperature end of probe of said temperature measurement unit (10) immerses in the said detected solution (1), is used to measure the temperature of said detected solution (1); And
Control module (5); Be arranged at the inside of said guard shield (4); Comprise communication interface (7); Said control module (5) connects said LOAD CELLS (8) and said temperature measurement unit (10) respectively, is used to receive said LOAD CELLS (8) and the measured data of said temperature measurement unit (10), and goes out the concentration of said detected solution (1) according to said data computation; And through said control module (5) said concentration data is sent out, insert remote control center through said communication interface (7);
Wherein, said temperature measurement unit (10), communication interface (7) are transferred through said waterproof nylon cable splice (6) with the connecting line of said control module (5).
2. the instrument of measurement solution concentration according to claim 1 is characterized in that, said temperature measurement unit (10) is provided with sealed interface (11).
3. the instrument of measurement solution concentration according to claim 2 is characterized in that, said temperature measurement unit (10) peripheral hardware plastic-blasting layer is used to seal said temperature measurement unit (10).
4. the instrument of measurement solution concentration according to claim 1 is characterized in that, said guard shield (4) adopts the anticorrosive property material.
5. the instrument of measurement solution concentration according to claim 1 is characterized in that, said control module (5) also comprises:
Analog to digital converter connects said temperature measurement unit (10) and said LOAD CELLS (8), is used for converting the analog information of said temperature measurement unit (10) and said LOAD CELLS (8) measurement into numerical information; And
Microcontroller connects said analog to digital converter, is used for said numerical information is calculated, and draws the concentration data of said detected solution.
6. the instrument of measurement solution concentration according to claim 1 is characterized in that, said control module (5) also comprises the on-line calibration subelement, is used for the said parts of weighing (2) are calibrated.
7. according to the instrument of claim 1,2,3 or 5 described measurement solution concentrations, it is characterized in that said temperature measurement unit (10) is a temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120238661U CN202141659U (en) | 2011-07-07 | 2011-07-07 | Instrument for measuring liquid concentration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120238661U CN202141659U (en) | 2011-07-07 | 2011-07-07 | Instrument for measuring liquid concentration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202141659U true CN202141659U (en) | 2012-02-08 |
Family
ID=45552714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120238661U Expired - Lifetime CN202141659U (en) | 2011-07-07 | 2011-07-07 | Instrument for measuring liquid concentration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202141659U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102825083A (en) * | 2012-09-17 | 2012-12-19 | 浙江腾龙精线有限公司 | Automatic stainless steel wire drawing coating agent adding system |
| CN105319144A (en) * | 2015-12-09 | 2016-02-10 | 李琛 | Digital display tensile-sensitive hole ratio tester and detecting method thereof |
| CN109470597A (en) * | 2018-12-19 | 2019-03-15 | 山东聊城三阳环保产业有限公司 | Suspending hammer Weighing type liquid densimeter |
| CN114414420A (en) * | 2022-02-14 | 2022-04-29 | 江苏同悦人工环境有限公司 | Concentration on-line monitoring device and monitoring method for high-concentration high-corrosion solution |
-
2011
- 2011-07-07 CN CN201120238661U patent/CN202141659U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102825083A (en) * | 2012-09-17 | 2012-12-19 | 浙江腾龙精线有限公司 | Automatic stainless steel wire drawing coating agent adding system |
| CN105319144A (en) * | 2015-12-09 | 2016-02-10 | 李琛 | Digital display tensile-sensitive hole ratio tester and detecting method thereof |
| CN109470597A (en) * | 2018-12-19 | 2019-03-15 | 山东聊城三阳环保产业有限公司 | Suspending hammer Weighing type liquid densimeter |
| CN114414420A (en) * | 2022-02-14 | 2022-04-29 | 江苏同悦人工环境有限公司 | Concentration on-line monitoring device and monitoring method for high-concentration high-corrosion solution |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhao Jihong Inventor after: Huang Fazhou Inventor after: Zhang Ting Inventor after: Li Haixiang Inventor after: Chen Xiaoyang Inventor before: Chen Xiaoyang Inventor before: Liu Shuanqiang Inventor before: Zhang Ting Inventor before: Huang Fazhou Inventor before: Zhao Jihong Inventor before: Li Haixiang |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: CHEN XIAOYANG LIU SHUANQIANG ZHANG TING HUANG FAZHOU ZHAO JIHONG LI HAIXIANG TO: ZHAO JIHONG HUANG FAZHOU ZHANG TING LI HAIXIANG CHEN XIAOYANG |
|
| ASS | Succession or assignment of patent right |
Owner name: BEIJING HUACHUANG RUIFENG TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: BEIJING SINOREFINE AIR CONDITIONING TECHNOLOGY CO., LTD. Effective date: 20131120 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100084 HAIDIAN, BEIJING TO: 101300 SHUNYI, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20131120 Address after: 101300 Beijing city Shunyi District zhaoquanying Zhaofeng industrial base Dongying Road No. 19 Patentee after: Beijing Huachuang refine Technology Co. Ltd. Address before: 100084, Sohu cyber building, No. 1, Zhongguancun East Road, Beijing, Haidian District 409A Patentee before: Beijing SinoRefine Air Conditioning Technology Co., Ltd. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151029 Address after: 100084, Sohu cyber building, No. 1, Zhongguancun East Road, Beijing, Haidian District 409A Patentee after: Beijing SinoRefine Air Conditioning Technology Co., Ltd. Address before: 101300 Beijing city Shunyi District zhaoquanying Zhaofeng industrial base Dongying Road No. 19 Patentee before: Beijing Huachuang refine Technology Co. Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170921 Address after: 100084, building 9, building 1, Zhongguancun East Road, Beijing, Haidian District, 04-09A Co-patentee after: Tianjin Huachuang Ruifeng air conditioning equipment Co. Patentee after: Beijing SinoRefine Air Conditioning Technology Co., Ltd. Address before: 100084, Sohu cyber building, No. 1, Zhongguancun East Road, Beijing, Haidian District 409A Patentee before: Beijing SinoRefine Air Conditioning Technology Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120208 |