CN202057386U - Digital communication gradient sensor - Google Patents
Digital communication gradient sensor Download PDFInfo
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- CN202057386U CN202057386U CN2011201746069U CN201120174606U CN202057386U CN 202057386 U CN202057386 U CN 202057386U CN 2011201746069 U CN2011201746069 U CN 2011201746069U CN 201120174606 U CN201120174606 U CN 201120174606U CN 202057386 U CN202057386 U CN 202057386U
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- sensor
- digital communication
- temperature
- electrode
- capacitance measurement
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
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- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The utility model discloses a digital communication gradient sensor, which belongs to the field of water temperature and water level measurement devices. The sensor comprises a plastic assembly, a measurement controller, a communication line, a temperature sensing probe, a pipeline temperature sensor, a capacity ground electrode, a capacitance measurement electrode and a waterproof seal module, wherein the measurement controller is arranged in the plastic assembly and is connected with an indoor instrument; the temperature sensing probe and the pipeline temperature sensor are connected with the measurement controller; the capacity ground electrode and the capacitance measurement electrode are hermetically connected with the plastic assembly and are connected with the measurement controller; the capacitance measurement electrode comprises a stainless steel tube and an insulation layer coated on the surface of the stainless steel tube; the top end of the capacitance measurement electrode is provided with the waterproof seal module; and the temperature sensing probe is arranged in the capacitance measurement electrode. By adopting the digital communication gradient sensor, the solar water heater gradient water level, water temperature and pipeline temperature measurement and digital signal communication are realized. The digital communication gradient sensor has the advantages of convenience in installation, signal stability, low cost, long service life and the like and is not easy to scale.
Description
Technical field
The utility model relates to Guan Wen, water temperature and level measurement device, particularly a kind of digital communication gradual change type sensor that is used for solar water heater.
Background technology
Sun power belongs to clean reproducible energy, has disposable input, saving, safety, advantage such as reliable, is developed by people gradually.Solar water heater is come into huge numbers of families gradually, and the controller for solar that matches with solar water heater has also obtained popularizing.
Water-temperature water-level sensor is the core in the whole controller for solar, and its stability and life-span have determined the stability and the life-span of controller for solar.Present water-temperature water-level sensor mainly is to measure water level by the resistive voltage simulating signal.
Mainly there is the problem of two aspects in existing sensors:
One, be the precision and the life problems of sensor, because this water-temperature water-level sensor is applied in this hot and humid rugged surroundings of solar water container, and the signal that causes easily after hard water fouling demonstration is unstable, causes shortcomings such as this sensor weak point in serviceable life, job insecurity.
Its two, be the routing problem between sensor and the instrument because sensor when mounted, need be at outdoor very long electric heating wire, pipe temperature line and pickup wire or the like pullled, so brought inconvenience to later maintenance.
Summary of the invention
In order to overcome the above-mentioned problems in the prior art, the utility model embodiment provides a kind of digital communication gradual change type sensor.Described technical scheme is as follows:
A kind of digital communication gradual change type sensor, comprise plastic assembly, measure controller, connection, temperature-sensing probe, Tube Temperature Sensor, the capacity earth electrode, capacitance measurement electrode and waterproof sealing module, described measurement controller is located in the described plastic assembly, and link to each other with indoor instrument by described connection, described temperature-sensing probe and described Tube Temperature Sensor link to each other with described measurement controller by lead respectively, described capacity earth electrode and described capacitance measurement electrode are tightly connected with described plastic assembly respectively, and be connected with described measurement controller by lead, described capacitance measurement electrode comprises stainless-steel tube and is coated on its surperficial insulation course, the top of described capacitance measurement electrode is provided with described waterproof sealing module, wherein, described temperature-sensing probe is located at described capacitance measurement electrode interior.
Particularly, described waterproof sealing module comprises cylindrical body, and the inwall of described cylindrical body is provided with concavo-convex waterproof lines.
Particularly, described waterproof sealing module preferentially adopts silica gel material to make.
Particularly, the described insulation course of described capacitance measurement electrode preferentially adopts teflon to make.
Particularly, described capacity earth electrode preferentially adopts stainless steel material to make.
Particularly, described temperature-sensing probe and described Tube Temperature Sensor all are preferably 0 ℃, 30k thermistor.
Particularly, described Tube Temperature Sensor directly is connected with described measurement controller, and described communication is a digital form, and described connection is three heart yearns.
Particularly, described plastic assembly preferentially adopts nylon to make.
The beneficial effect that the technical scheme that the utility model embodiment provides is brought is: compared to existing technology, the utility model is based on the sensor that capacitance induction principle is measured the solar water heater water level, total is easy single pole measurement structure, it has not only simplified assembling mode from structure, has also reduced production cost to a certain extent; In measuring process, the capacitance measurement electrode that is immersed in the water partly and between the capacity earth electrode can form certain capacitance, and along with the rising of water level, capacitance is approximately linear to be changed, and measures controller comes the perception water level according to capacitance variations height.The sensor of measuring channel temperature is directly received and is measured on the controller, and measure controller water level, water temperature and the pipe temperature signal measured are passed to indoor master controller by three-core conductor with the form of digital signal, so not only overcome instability that simulating signal transmits, easily disturbed and shortcoming such as quantity of information is few, returned later installation and maintenance and bring great convenience.
So digital communication gradual change type sensor described in the utility model, realized that solar water heater gradual change type water level, water temperature and pipe temperature are measured and the communication of digital signal, advantage such as have easy for installation, signal stabilization, cost is low, less scaling and the life-span is long.
Description of drawings
Fig. 1 is the structural representation of the described digital communication gradual change type of the utility model embodiment sensor;
Fig. 2 is the structural representation of the described waterproof sealing module of the utility model embodiment;
Fig. 3 is the structural representation of the described potential electrode of the utility model embodiment;
Among the figure:
1 waterproof sealing module, 1.1 cylindrical body, 1.2 waterproof lines;
2 capacitance measurement electrodes, 2.1 insulation courses, 2.2 stainless-steel tubes;
3 temperature-sensing probes,
4 capacity earth electrodes,
5 plastic assemblies,
6 measure controller,
7 Tube Temperature Sensors,
8 connections.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, the utility model embodiment is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, the described a kind of digital communication gradual change type sensor of the utility model embodiment, comprise plastic assembly 5, measure controller 6, connection 8, temperature-sensing probe 3, Tube Temperature Sensor 7, capacity earth electrode 4, capacitance measurement electrode 2 and waterproof sealing module 1, described measurement controller 6 is located in the described plastic assembly 5, and link to each other with indoor instrument by described connection 8, described temperature-sensing probe 3 and described Tube Temperature Sensor 7 link to each other with described measurement controller 6 by lead respectively, described capacity earth electrode 4 and described capacitance measurement electrode 2 are tightly connected with described plastic assembly 5 respectively, and be connected with described measurement controller 6 by lead, described capacitance measurement electrode 2 comprises stainless-steel tube 2.2 (referring to shown in Figure 3) and is coated on its surperficial insulation course 2.1 (referring to shown in Figure 3), the top of described capacitance measurement electrode 2 is provided with described waterproof sealing module 1, wherein, described temperature-sensing probe 3 is located at described capacitance measurement electrode 2 inside, and described temperature-sensing probe 3 is used to reflect water temperature.Described waterproof sealing module 1 is used to prevent that steam from entering potential electrode, and capacitance measurement electrode 2 and water environment are kept apart.
Level measuring of the present utility model is to measure by the electric capacity that potential electrode, ground-electrode and the aqueous medium between them form.Particularly, referring to Fig. 1, under anhydrous state, measurement controller 6 reads out the initial capacitance value of this moment and exports as anhydrous signal, being full of medium gradually between two electrodes along with the rising electric capacity of water level is water, electric capacity also can be linear change along with the rising of water level, measure controller 6 calculates water level by the measure analog electric capacity height, temperature-sensing probe 3 and Tube Temperature Sensor 7 are measured the temperature of water in the water tank and the temperature on the water tank Outer Tube respectively in addition, pass to simultaneously and measure controller 6, and be transported to the demonstration of Long-distance Control instrument from connection 8 by changing into digital signal after the controller computing.Because the utility model is based on the sensor that capacitance induction principle is measured the solar water heater water level, and adopt easy measurement structure, can realize that solar water heater gradual change type water level is accurately measured and the sensor of digital transmission, have less scaling, the life-span long and the advantage of working stability.
Wherein, between capacitance measurement electrode 4 and the plastic assembly 5, preferably combine and realized waterproof and fixing jointly by encapsulant and plastic assembly 5.The preferred silica gel of described encapsulant has better guaranteed sealing property and ageing resistance.
Particularly, as shown in Figure 2, described waterproof sealing module 1 comprises cylindrical body 1.1, and the inwall of described cylindrical body 1.1 is provided with concavo-convex waterproof lines 1.2, and waterproof lines 1.2 is used for fastening and waterproof.Particularly, the described waterproof sealing module 1 preferential silica gel material that adopts is made, and when specifically implementing, described waterproof sealing structure can adopt any elastomeric material.In this example, waterproof lines 1.2 is for being provided with the screw-shaped structure.Socket and sealing between waterproof sealing module 1 and the described capacitance measurement electrode 2.
Particularly, as shown in Figure 3, in this example, the described insulation course 2.1 preferential teflon that adopt of described capacitance measurement electrode 2 are made, and polytetrafluoroethylmaterial material has very low water-intake rate, and the effect that not only has stable electric capacity can also have good resistive connection dirt effect.
Described insulation course 2.1 can be by any dielectric resin material.In this example, the combination of described insulating material and stainless-steel tube 2.2 adopts injection moulding or pyrocondensation technology.
Particularly, the described capacity earth electrode 4 preferential stainless steel materials that adopt are made.
Particularly, as shown in Figure 1, in this example, described temperature-sensing probe 3 and Tube Temperature Sensor 7 are preferably 0 ℃, 30k thermistor.In this example, temperature-sensing probe 3 be placed on capacitance measurement electrode 2 in position on the lower side, can measure the temperature of water more accurately.
Particularly, as shown in Figure 1, Tube Temperature Sensor 7 is directly drawn from the measurement controller 6 of plastic assembly 5 inside, can reduce the lead-in wire of sensor like this, reduces cost.
Particularly, as shown in Figure 1, described measurement controller 6 and described indoor master controller transmit information by connection 8 in the mode of digital communication.
Particularly, as shown in Figure 1, the described plastic assembly 5 preferential nylon that adopt are made.
As shown in Figure 1, the utility model embodiment is according to the capacitance induction principle sensed water level, and integral measuring water temperature and pipe temperature change, and realizes the measurement of gradual change type water level, water temperature and Guan Wen, and is transferred to far distance instrument with communication modes by connection 8; Temperature-sensing probe 3 be located in the potential electrode in position, better temperature of reaction on the lower side; The potential electrode outside surface uses teflon insulation layer 2.1 as measuring media, and it has high temperature resistant, anticorrosion, less scaling characteristics.Therefore, the utility model can be realized that solar water heater water-temperature, pipe temperature and water level gradual change are measured and by the high-performance sensors that the mode of digital communication is transmitted, efficiently solve the shortcoming that has jitter in present solar energy water heater pipe temperature sensor 7 independences, the easy fouling of water-level and water-temperature sensor, life-span weak point, the analog signal transmission process.
The above only is preferred embodiment of the present utility model, and is in order to restriction the utility model, not all within spirit of the present utility model and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (8)
1. digital communication gradual change type sensor, it is characterized in that, comprise plastic assembly, measure controller, connection, temperature-sensing probe, Tube Temperature Sensor, the capacity earth electrode, capacitance measurement electrode and waterproof sealing module, described measurement controller is located in the described plastic assembly, and link to each other with indoor instrument by described connection, described temperature-sensing probe and described Tube Temperature Sensor link to each other with described measurement controller by lead respectively, described capacity earth electrode and described capacitance measurement electrode are tightly connected with described plastic assembly respectively, and be connected with described measurement controller by lead, described capacitance measurement electrode comprises stainless-steel tube and is coated on its surperficial insulation course, the top of described capacitance measurement electrode is provided with described waterproof sealing module, wherein, described temperature-sensing probe is located at described capacitance measurement electrode interior.
2. digital communication gradual change type sensor as claimed in claim 1 is characterized in that described waterproof sealing module comprises cylindrical body, and the inwall of described cylindrical body is provided with concavo-convex waterproof lines.
3. digital communication gradual change type sensor as claimed in claim 2 is characterized in that, described waterproof sealing module adopts silica gel material to make.
4. digital communication gradual change type sensor as claimed in claim 1 is characterized in that the described insulation course of described capacitance measurement electrode is made by teflon.
5. digital communication gradual change type sensor as claimed in claim 1 is characterized in that, described capacity earth electrode adopts stainless steel material to make.
6. digital communication gradual change type sensor as claimed in claim 1 is characterized in that, describedly states temperature-sensing probe and described Tube Temperature Sensor is 0 ℃, 30k thermistor.
7. digital communication gradual change type sensor as claimed in claim 1 is characterized in that, described Tube Temperature Sensor directly is connected with described measurement controller, and described communication is a digital form, and described connection is three heart yearns.
8. as the described digital communication gradual change type of each claim of claim 1-7 sensor, it is characterized in that described plastic assembly adopts nylon to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201746069U CN202057386U (en) | 2011-05-27 | 2011-05-27 | Digital communication gradient sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201746069U CN202057386U (en) | 2011-05-27 | 2011-05-27 | Digital communication gradient sensor |
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| Publication Number | Publication Date |
|---|---|
| CN202057386U true CN202057386U (en) | 2011-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201746069U Expired - Lifetime CN202057386U (en) | 2011-05-27 | 2011-05-27 | Digital communication gradient sensor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322917A (en) * | 2011-05-27 | 2012-01-18 | 皇明太阳能股份有限公司 | Digital communication gradual-change-type sensor |
| RU2521752C1 (en) * | 2013-02-11 | 2014-07-10 | ООО предприятие "КОНТАКТ-1" | Product temperature and level measuring device |
-
2011
- 2011-05-27 CN CN2011201746069U patent/CN202057386U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322917A (en) * | 2011-05-27 | 2012-01-18 | 皇明太阳能股份有限公司 | Digital communication gradual-change-type sensor |
| RU2521752C1 (en) * | 2013-02-11 | 2014-07-10 | ООО предприятие "КОНТАКТ-1" | Product temperature and level measuring device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111130 |
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| CX01 | Expiry of patent term |