CN204988348U - Novel intelligence temperature liquid level detection device - Google Patents
Novel intelligence temperature liquid level detection device Download PDFInfo
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- CN204988348U CN204988348U CN201520577389.6U CN201520577389U CN204988348U CN 204988348 U CN204988348 U CN 204988348U CN 201520577389 U CN201520577389 U CN 201520577389U CN 204988348 U CN204988348 U CN 204988348U
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- temperature sensor
- pressure transducer
- liquid level
- sensor
- temperature
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Abstract
The utility model discloses a novel intelligence temperature liquid level detection device, including at least one temperature sensor and at least one pressure sensor, temperature sensor and pressure sensor fix respectively in container bottom that is equipped with the liquid that awaits measuring or bottom lateral wall position, temperature sensor and pressure sensor are connected with the treatment circuit electricity respectively, and the treatment circuit was received temperature sensor and pressure sensor's signal is handled, obtains real -time temperature and liquid level value, shows on display element.
Description
Technical field
The utility model relates to observation and control technology field, particularly, relates to a kind of novel intelligent temperature liquid level pick-up unit, by the detection to fluid temperature, the Current Temperatures of liquid can be reflected really, thus, according to the actual requirements, liquid can be heated up or process of lowering the temperature; By the detection to liquid bottom pressure, can current level be drawn, thus, according to the actual requirements, liquid can be imported or discharges process.
Background technology
Material can be divided into solid, liquids and gases.Liquid, as one of three kinds of forms of material, has and uses widely in production, scientific research, life.The change of temperature, can cause the change of material performance parameter, is one of our physical quantity of paying close attention to.Platinum resistance and thermistor are the elements of present stage the most frequently used two kinds of detected temperatures, and platinum resistance device precision is high, but expensive; Thermistor element, low price, but low precision.Liquid level is used for express liquid height, is also one of our physical quantity of paying close attention to.Existing liquid level sensor is difficult to the liquid level change identifying millimeter magnitude, and volume is excessive, is difficult to meet the high-precision demand of miniaturized intelligentization.Therefore, a kind of novel intelligent temperature liquid level of active demand pick-up unit, for the detection of fluid temperature and liquid level.
Utility model content
The purpose of this utility model is, for the problems referred to above, proposes a kind of novel intelligent temperature liquid level pick-up unit, the temperature that accurate display liquid is current and liquid level.
The technical solution of the utility model is: a kind of novel intelligent temperature liquid level pick-up unit, comprise at least one temperature sensor and at least one pressure transducer, described temperature sensor and pressure transducer are separately fixed at container bottom or bottom sidewall locations that testing liquid is housed, described temperature sensor and pressure transducer are electrically connected with treatment circuit respectively, treatment circuit receives the signal of described temperature sensor and pressure transducer, process, obtain real time temperature and level value, display on the display unit.
Preferably, described temperature sensor and pressure transducer are one or more being decorated in array.
Preferably, described temperature sensor is fixedly connected with container by O-ring seal with pressure transducer.
Preferably, the position being provided with temperature sensor and pressure transducer in described container is provided with protection network.
Preferably, described temperature sensor is MEMS temperature sensor, and described pressure transducer is MEMS pressure sensor.
Preferably, described temperature sensor is single-chip integration formula temperature sensor, and described pressure transducer is single-chip integration formula pressure transducer.
The beneficial effects of the utility model:
(1) the utility model adopts MEMS temperature sensor and MEMS pressure sensor, makes the size of pick-up unit less;
(2) temperature sensing unit of the utility model MEMS temperature sensor does not directly contact with detected solution, but conducted heat by the silicon base of high thermal conductivity coefficient, avoid the mutual pollution between MEMS temperature sensor front and detected solution, make Total Product reliability, security higher;
(3) back side of the sensitive membrane of the utility model MEMS pressure sensor contacts with detected solution, avoids the mutual pollution between MEMS pressure sensor front and detected solution, makes Total Product reliability, security higher;
(4) by treatment circuit by the transmitting measured values of temperature sensor and pressure transducer on display, understand temperature and the liquid level of liquid in real time.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model intelligent temperature liquid level detection device;
Fig. 2 is the MEMS temperature sensor encapsulation schematic diagram of a kind of embodiment in the utility model;
Fig. 3 is the MEMS pressure sensor encapsulation schematic diagram of a kind of embodiment in the utility model;
Fig. 4 is the structural representation of a kind of embodiment of the utility model;
In figure: 1, temperature sensor encapsulating package; 2, temperature sensor chip; 3, metal lead wire; 4, pressure sensor package shell; 5, pressure sensor chip; 10, MEMS temperature sensor; 11, MEMS pressure sensor; 12, treatment circuit; 13, display unit; 14, signal transmssion line; 15, protection network; 16, O-ring seal; 17, container; 18, solution.
Embodiment
By reference to the accompanying drawings the embodiment that the utility model provides is described in further detail:
A kind of novel intelligent temperature liquid level pick-up unit, comprise at least one temperature sensor and at least one pressure transducer, described temperature sensor and pressure transducer are separately fixed at container bottom or bottom sidewall locations that testing liquid is housed, described temperature sensor and pressure transducer are electrically connected with treatment circuit respectively, treatment circuit receives the signal of described temperature sensor and pressure transducer, process, obtain real time temperature and level value, display on the display unit.
Wherein, further, described temperature sensor and pressure transducer are one or more being decorated in array.
Further, described temperature sensor is fixedly connected with container by O-ring seal with pressure transducer.
Further, the position being provided with temperature sensor and pressure transducer in described container is provided with protection network.
Further, described temperature sensor is MEMS temperature sensor, and be microelectromechanical systems temperature sensor, described pressure transducer is MEMS pressure sensor.
Further, described temperature sensor is single-chip integration formula temperature sensor, and described pressure transducer is single-chip integration formula pressure transducer.
Embodiment: as shown in Figure 4, novel intelligent temperature liquid level pick-up unit, comprises temperature sensor, pressure transducer, O-ring seal, protection network, treatment circuit and display unit.
Temperature sensor adopts the MEMS temperature sensor of high-accuracy wide-range, can adopt single temperature sensor detected temperatures, multiple temperature sensor also can be adopted to carry out array detection.It is single MEMS temperature sensor 10 in the present embodiment, temperature sensor comprises temperature sensor chip 2, temperature sensor chip 2 to be encapsulated in temperature sensor encapsulating package 1 and to be connected by metal lead wire 3, and temperature sensor is fixed on bottom container 17 or bottom sidewall locations by O-ring seal 16; Guarantee that temperature sensor is closely connected with container, solution leakage does not occur.The signal that the outer treatment circuit 12 pairs of temperature sensors export amplifies and digitized processing, and passes to display unit 13 by signal transmssion line 14, makes the real-time monitoring (as shown in Figure 1) that staff accomplishes solution 18 temperature.
As Figure 2-3, pressure transducer adopts high-precision MEMS pressure sensor 11, single pressure sensor can be adopted to detect liquid level, multiple pressure transducer also can be adopted to carry out array detection.It is single MEMS pressure sensor 11 in the present embodiment, pressure transducer comprises pressure sensor chip 5, pressure sensor chip 5 is encapsulated in pressure sensor package shell 4 and is connected by metal lead wire 3, and pressure transducer is fixed on bottom container 17 or bottom sidewall locations by O-ring seal 16; Guarantee that pressure transducer is closely connected with container 17, solution leakage does not occur.Outer treatment circuit 12 passes to display unit 13 by signal transmssion line 14 after the signal that pressure transducer exports being carried out process digitizing, makes the real-time monitoring (as shown in Figure 1) that staff accomplishes liquid level.
Temperature sensor and pressure transducer outside all have protection network 15 to cover, and prevent the large granular impurity in solution and sediment etc. from entering sensor, affect the normal work of sensor; Meanwhile, reduction temperature sensor and pressure transducer are by the probability of outside destroy.
In this description, the utility model is described with reference to its specific embodiment.But, still can make various amendment and conversion obviously and not deviate from spirit and scope of the present utility model.Therefore, instructions and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (6)
1. a novel intelligent temperature liquid level pick-up unit, it is characterized in that, comprise at least one temperature sensor and at least one pressure transducer, described temperature sensor and pressure transducer are separately fixed at container bottom or bottom sidewall locations that testing liquid is housed, described temperature sensor and pressure transducer are electrically connected with treatment circuit respectively, treatment circuit receives the signal of described temperature sensor and pressure transducer, process, obtain real time temperature and level value, display on the display unit.
2. novel intelligent temperature liquid level pick-up unit according to claim 1, is characterized in that, described temperature sensor and pressure transducer are one or more in array layout.
3. novel intelligent temperature liquid level pick-up unit according to claim 1 and 2, it is characterized in that, described temperature sensor is fixedly connected with container by O-ring seal with pressure transducer.
4. novel intelligent temperature liquid level pick-up unit according to claim 1 and 2, it is characterized in that, the position being provided with temperature sensor and pressure transducer in described container is provided with protection network.
5. novel intelligent temperature liquid level pick-up unit according to claim 1 and 2, is characterized in that, described temperature sensor is MEMS temperature sensor, and described pressure transducer is MEMS pressure sensor.
6. novel intelligent temperature liquid level pick-up unit according to claim 1 and 2, is characterized in that, described temperature sensor is single-chip integration formula temperature sensor, and described pressure transducer is single-chip integration formula pressure transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520577389.6U CN204988348U (en) | 2015-08-04 | 2015-08-04 | Novel intelligence temperature liquid level detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520577389.6U CN204988348U (en) | 2015-08-04 | 2015-08-04 | Novel intelligence temperature liquid level detection device |
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| Publication Number | Publication Date |
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| CN204988348U true CN204988348U (en) | 2016-01-20 |
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| CN201520577389.6U Active CN204988348U (en) | 2015-08-04 | 2015-08-04 | Novel intelligence temperature liquid level detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106123964A (en) * | 2016-08-05 | 2016-11-16 | 浙江陆特能源科技股份有限公司 | Ground source rock soil layer vertical temperature distribution test and underground water level measurement device |
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2015
- 2015-08-04 CN CN201520577389.6U patent/CN204988348U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106123964A (en) * | 2016-08-05 | 2016-11-16 | 浙江陆特能源科技股份有限公司 | Ground source rock soil layer vertical temperature distribution test and underground water level measurement device |
| CN106123964B (en) * | 2016-08-05 | 2018-06-26 | 浙江陆特能源科技股份有限公司 | Ground source rock soil layer vertical temperature distribution test and underground water level measurement device |
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