CN201935740U - Multipoint temperature detecting device with liquid level measurement function - Google Patents
Multipoint temperature detecting device with liquid level measurement function Download PDFInfo
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- CN201935740U CN201935740U CN2010206637896U CN201020663789U CN201935740U CN 201935740 U CN201935740 U CN 201935740U CN 2010206637896 U CN2010206637896 U CN 2010206637896U CN 201020663789 U CN201020663789 U CN 201020663789U CN 201935740 U CN201935740 U CN 201935740U
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Abstract
The utility model relates to a temperature detecting device, particularly to a multipoint temperature detecting device with the liquid level measurement function. The multipoint temperature detecting device comprises a temperature sensing unit, a liquid level sensing unit and a processing unit, wherein the temperature sensing unit is electrically connected with the liquid level sensing unit and the processing unit. The processing unit is used for measuring, displaying and outputting temperature and liquid level information. The multipoint temperature detecting device is characterized in that the temperature sensing unit is multipoint temperature sensors distributed in different liquid level positions, and the multipoint temperature sensors are electrically connected with the processing unit. The utility model provides the multipoint temperature detecting device which has the liquid level measurement function and can independently output multipoint temperature.
Description
Technical field
The utility model relates to temperature-detecting device, particularly a kind of multi-point temp pick-up unit with level gauging.
Background technology
Current be used for multipoint temperature monitor that oil, chemical industry tank temperature detect both at home and abroad generally can not independent output temperature data, but by supporting with it liquid level instrument or jar other indicator output temperature data, configuration one cover multipoint temperature monitor system price is very expensive like this, has limited the use of multipoint temperature monitor; What have promptly enables the output temperature data, also can only export under the liquid and the medial temperature of all temperature spots on the liquid, and this temperature data is nonsensical.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned prior art shortcoming, and a kind of multi-point temp pick-up unit with level gauging that can independently export multi-point temp is provided.
The purpose of this utility model is achieved in that the multi-point temp pick-up unit with level gauging, it comprises temperature sensing unit, level sensing unit and processing unit, temperature sensing unit and level sensing unit are electrically connected with processing unit, processing unit is used for measurement, demonstration, output temperature and liquid level information, it is characterized in that: temperature sensing unit is the multi-point temp sensor that is distributed in different liquid levels position, and the multi-point temp sensor is electrically connected with processing unit.
It is independent respectively the electrical connection that described multi-point temp sensor is electrically connected with processing unit.
It is to be electrically connected with universal serial bus that described multi-point temp sensor is electrically connected with processing unit.
Processing unit comprises: temperature collect module, liquid level sampling thief, isolated amplifier, A/D conversion module, data processing module, output module and housing, on temperature collect module, liquid level sampling thief, isolated amplifier, A/D conversion module, data processing module, the circuit board of output module in housing, temperature sensing unit is electrically connected with temperature collect module, the level sensing unit is electrically connected with the liquid level sampling thief, the liquid level sampling thief is electrically connected with isolated amplifier, isolated amplifier is electrically connected with the A/D conversion module, and the A/D conversion module is electrically connected with data processing module again.
Advantage of the present invention is: owing at the diverse location of liquid level temperature sensor is arranged, the temperature data of a plurality of temperature spots can independently be exported or export by universal serial bus in it of temperature sensor; When data processing module receives liquid level signal, in independent each temperature spot temperature signal of output, can also export the gentle phase average temperature of liquid phase medial temperature, reach rough or accurate liquid level, do not influence the normal transmission of liquid level instrument liquid level data again.Reduce the cost of multipoint temperature monitor, enlarge use face.
Description of drawings
The invention will be further described below in conjunction with the embodiment accompanying drawing:
Fig. 1 is the multi-point temp theory diagram that a plurality of temperature sensors transmit respectively;
Fig. 2 is the multi-point temp theory diagram of a plurality of temperature sensor bus transfer.
In the accompanying drawing, 1, temperature collect module; 2, liquid level sampling thief; 3, isolated amplifier; 4, A/D conversion module; 5, data processing module; 6, output module; 7, housing; 8, temperature sensor; 9, processing unit; 10, level sensing unit.
Embodiment
Embodiment 1
As shown in Figure 1, temperature sensing unit is the multi-point temp sensor 8 that is distributed in different liquid levels position, as the T among Fig. 1
1, T
2, T
N, T
1, T
2, T
NBe electrically connected with processing unit 9.Processing unit 9 comprises: temperature collect module 1, liquid level sampling thief 2, isolated amplifier 3, A/D conversion module 4, data processing module 5, output module 6 and housing, on temperature collect module 1, liquid level sampling thief 2, isolated amplifier 3, A/D conversion module 4, data processing module 5, the circuit board of output module 6 in housing 7, T
1, T
2, T
NBe electrically connected with temperature collect module 1 respectively, temperature collect module 1 is gathered the fluid temperature of temperature sensor 8 perception of diverse location in the liquid, sends the data processing module 5 that is electrically connected with it then to and carries out processes and displays or output.Level sensing unit 10 is electrically connected with liquid level sampling thief 2, liquid level sampling thief 2 is electrically connected with isolated amplifier 3, isolated amplifier 3 is electrically connected with A/D conversion module 4, A/D conversion module 4 is electrically connected with data processing module 5 again, the liquid level signal of level sensing unit amplifies through isolated amplifier 3, convert digital signal to by A/D conversion module 4 and give data processing module 5, carry out processes and displays or output by data processing module 5.
As shown in Figure 2, temperature sensing unit is the multi-point temp sensor 8 that is distributed in different liquid levels position, as the T among Fig. 1
1, T
2, T
N, T
1, T
2, T
NBe electrically connected with processing unit 9.Processing unit 9 comprises: temperature collect module 1, liquid level sampling thief 2, isolated amplifier 3, A/D conversion module 4, data processing module 5, output module 6 and housing, on temperature collect module 1, liquid level sampling thief 2, isolated amplifier 3, A/D conversion module 4, data processing module 5, the circuit board of output module 6 in housing 7, T
1, T
2, T
NBe electrically connected on the bus respectively, be electrically connected with temperature collect module 1 by bus, temperature collect module 1 is gathered the fluid temperature of temperature sensor 8 perception of diverse location in the liquid, sends the data processing module 5 that is electrically connected with it then to and carries out processes and displays or output.Level sensing unit 10 is electrically connected with liquid level sampling thief 2, liquid level sampling thief 2 is electrically connected with isolated amplifier 3, isolated amplifier 3 is electrically connected with A/D conversion module 4, A/D conversion module 4 is electrically connected with data processing module 5 again, the liquid level signal of level sensing unit amplifies through isolated amplifier 3, convert digital signal to by A/D conversion module 4 and give data processing module 5, carry out processes and displays or output by data processing module 5.
During work, temperature collect module 1 receives by bus or the simulating signal that is distributed in each temperature sensor on the diverse location sent here separately, is converted into digital signal; Liquid level sampling thief 2 is gathered the sub-fraction of liquid level signals, does not influence the normal transmission of liquid level signal; Isolated amplifier 3 amplifies the liquid level signal of gathering, and carries out Signal Spacing, and liquid level control system and temperature system are independent of each other; A/D conversion module 4 can be selected as required: adopt low accuracy A/D transducer when not needing the high-precision liquid level signal, adopt high-precision A/D transducer during as needs high-precision liquid level signal; There is CPU data processing module 5 inside, receive multi-point temp and liquid level signal aftertreatment respectively and go out to be distributed in the temperature of the each point on the diverse location and the gas phase medial temperature of following each temperature spot liquid phase medial temperature of liquid level and above each temperature spot of liquid level, as do not have liquid level signal, only handle out the temperature signal of single temperature spot; All temps and liquid level signal that output module 6 reception data processing modules 5 are handled well are presented at it on LCD display, simultaneously by 4-20mA HART mouth and the output of RS-485 mouth; The multi-point temp sensor is sealed in the stainless steel hard tube or has in the stainless steel ripple flexible pipe of protective coat, and electronic unit is installed in the wrought aluminum housing with explosion insulation performance.Electron devices such as isolated amplifier, CPU, A/D transducer adopt low energy-consumption electronic device.Satisfy the requirement of explosion proof of GB3836.1, GB3836.2, GB3836.4 essential safety and flame proof.
Claims (4)
1. the multi-point temp pick-up unit that has level gauging, it comprises temperature sensing unit, level sensing unit and processing unit, temperature sensing unit and level sensing unit are electrically connected with processing unit, processing unit is used for measurement, demonstration, output temperature and liquid level information, it is characterized in that: temperature sensing unit is the multi-point temp sensor that is distributed in different liquid levels position, and the multi-point temp sensor is electrically connected with processing unit.
2. the multi-point temp pick-up unit with level gauging according to claim 1 is characterized in that: it is independent respectively the electrical connection that described multi-point temp sensor is electrically connected with processing unit.
3. the multi-point temp pick-up unit with level gauging according to claim 1 is characterized in that: it is to be electrically connected with universal serial bus that described multi-point temp sensor is electrically connected with processing unit.
4. the multi-point temp pick-up unit with level gauging according to claim 1, it is characterized in that: processing unit comprises: temperature collect module, liquid level sampling thief, isolated amplifier, A/D conversion module, data processing module, output module and housing, on temperature collect module, liquid level sampling thief, isolated amplifier, A/D conversion module, data processing module, the circuit board of output module in housing, temperature sensing unit is electrically connected with temperature collect module; The level sensing unit is electrically connected with the liquid level sampling thief, and the liquid level sampling thief is electrically connected with isolated amplifier, isolated amplifier is electrically connected with the A/D conversion module, and the A/D conversion module is electrically connected with data processing module again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206637896U CN201935740U (en) | 2010-12-16 | 2010-12-16 | Multipoint temperature detecting device with liquid level measurement function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206637896U CN201935740U (en) | 2010-12-16 | 2010-12-16 | Multipoint temperature detecting device with liquid level measurement function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201935740U true CN201935740U (en) | 2011-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206637896U Expired - Fee Related CN201935740U (en) | 2010-12-16 | 2010-12-16 | Multipoint temperature detecting device with liquid level measurement function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102507026A (en) * | 2011-11-09 | 2012-06-20 | 江苏弘润光电科技控股集团有限公司 | Method and device for measuring average temperature of multiple points |
-
2010
- 2010-12-16 CN CN2010206637896U patent/CN201935740U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102507026A (en) * | 2011-11-09 | 2012-06-20 | 江苏弘润光电科技控股集团有限公司 | Method and device for measuring average temperature of multiple points |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: LI WENJIE Effective date: 20120423 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120423 Address after: The eastern city of Handan province Hebei Xuechi road 056005 Patentee after: Hebei Zhufeng Instrument & Meter Co., Ltd. Address before: The eastern city of Handan province Hebei Xuechi road 056005 Co-patentee before: Li Wenjie Patentee before: Hebei Zhufeng Instrument & Meter Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110817 Termination date: 20181216 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |