CN203053500U - Stored or released hydrogen amount online measuring device of metal hydride hydrogen storing device - Google Patents
Stored or released hydrogen amount online measuring device of metal hydride hydrogen storing device Download PDFInfo
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- CN203053500U CN203053500U CN 201320027862 CN201320027862U CN203053500U CN 203053500 U CN203053500 U CN 203053500U CN 201320027862 CN201320027862 CN 201320027862 CN 201320027862 U CN201320027862 U CN 201320027862U CN 203053500 U CN203053500 U CN 203053500U
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Abstract
The utility model relates to a stored or released hydrogen amount online measuring device of a metal hydride hydrogen storing device, and belongs to the technical field of hydrogen detection. The stored or released hydrogen amount online measuring device is characterized by comprising a digital pressure gauge, a digital flow meter, a temperature sensor and a data processor, wherein the digital pressure gauge is connected with an inlet and an outlet of the hydrogen storing device, the digital flow meter is respectively connected with the inlet and the outlet of the hydrogen storing device, the temperature sensor and the metal hydride hydrogen storing device are connected, and the digital pressure gauge, the digital flow meter, the temperature sensor and the data processor are connected through circuits. The stored or released hydrogen amount online measuring device has the advantages of being simple in measurement, convenient to use, fast, efficient, accurate in data, stable, reliable, low in manufacturing cost, economical, and capable of being widely used in online measurement of stored or released hydrogen amounts of various metal hydride hydrogen storing devices.
Description
Technical field
The utility model belongs to hydrogen detection technique field, particularly relates to a kind of metal hydride hydrogen-storing device storage/release hydrogen amount on-line measurement device.
Background technology
At present, the storing mode of hydrogen has a lot, comprising: 1) High Pressure Hydrogen gas cylinder method; 2) low-temperature liquefaction hydrogen method; 3) the solid-state hydrogen storing method of metal hydride.High Pressure Hydrogen gas cylinder method and low-temperature liquefaction hydrogen method all exist use and transportation in cost greatly, shortcoming such as poor stability; The solid-state hydrogen storing method of metal hydride is to utilize hydrogen bearing alloy reversible this characteristic of absorption/release hydrogen under certain temperature and pressure condition to come storage of hydrogen, it has the hydrogen purity height (99.999%) of release, the volume hydrogen storage content is big, security is good, advantages such as the life-span is long, be present comparatively desirable hydrogen storage method, at fuel cell, hydrogen energy automobile, numerous areas widespread usage such as regenerative resource energy storage.
Metal hydride hydrogen-storing device in use needs real-time measurement can store/the release hydrogen amount, because metal hydride hydrogen-storing device is solid-state storage hydrogen, hydrogen storage content and external pressure do not have direct relation, so can't obtain storing up in the hydrogen device amounts of hydrogen that can store/discharge by pressure detection as gas cylinder.Patent ZL02125832.5 discloses a kind of indirect metal hydride hydrogen-storing device remaining hydrogen quantity measuring method, it is to utilize the generated energy of measurement fuel cell when being connected with fuel cell to come the residual hydrogen tolerance of inverse in metal hydride hydrogen-storing device, this measuring method (needs to set fuel cell consumption hydrogen efficiency) indirectly, error is bigger, especially when hydrogen storage system does not connect fuel cell, the storing of metal hydride hydrogen-storing device/release hydrogen amount can't detect.
Summary of the invention
The utility model provides a kind of metal hydride hydrogen-storing device storage/release hydrogen amount on-line measurement device for solving the technical matters that exists in the known technology.
The utility model is based on following principle:
When metal hydride hydrogen-storing device filled hydrogen or puts hydrogen, can fill the maximum hydrogen tolerance that maybe can put was the function of pressure and temperature, namely
V
max＝f
(P，T)
The pressure and temperature of measuring metal hydride hydrogen-storing device can calculate the maximum hydrogen tolerance V that maybe can put that fills of metal hydride hydrogen-storing device at that time
Max, the accumulation of surveying at that time according to hydrogen flowmeter has been filled or has been put amounts of hydrogen V again
t, filling of metal hydride hydrogen-storing device maybe can be put amounts of hydrogen Δ V
tAvailable following formula calculates and obtains:
ΔV
t＝V
max-V
t＝f
(P，T)-V
t
Wherein
The pressure of P---metal hydride hydrogen-storing device
The temperature of T---metal hydride hydrogen-storing device
Δ V
t----can fill maybe can put amounts of hydrogen
V
Max----can fill the maximum hydrogen tolerance that maybe can put
V
t----accumulation has been filled or has been put amounts of hydrogen.
The utility model comes detected pressures by digital pressure gauge, come detected temperatures by temperature sensor, detect hydrogen flowing quantity by mass flowmeter, and detected data are passed to single-chip microcomputer, single-chip microcomputer calculates the maximum hydrogen tolerance that maybe can put of filling of metal hydride hydrogen-storing device at that time by pressure and temperature, and has filled or put amounts of hydrogen by the accumulation that hydrogen flowmeter is surveyed and calculated filling maybe of metal hydride hydrogen-storing device and can put amounts of hydrogen; Single-chip microcomputer outputs to display with the gained data then.
It is of the present utility model that to relate to a kind of measurement simple, easy to use, quickness and high efficiency, data are accurate, reliable and stable, can be effectively to metal hydride hydrogen-storing device can store/the release hydrogen amount carries out the metal hydride hydrogen-storing device storage/release hydrogen amount On-line Measuring Method of characteristics such as on-line measurement.
The technical scheme that the utility model metal hydride hydrogen-storing device storage/release hydrogen amount On-line Measuring Method is taked is:
Metal hydride hydrogen-storing device storage/release hydrogen amount On-line Measuring Method, be characterized in: data processor is gathered storage/release hydrogen pressure, temperature and the flow of metal hydride hydrogen-storing device, on-line measurement shows metal hydride hydrogen-storing device storage/release hydrogen amount, and its measuring process comprises:
1. import the relation data of metal hydride storage/release hydrogen amount and temperature/pressure in the data processor;
2. measure metal hydride hydrogen-storing device and fill hydrogen/put hydrogen pressure, fill hydrogen/put hydrogen integrated flow, storage hydrogen device internal temperature;
3. data processor calculates the amounts of hydrogen that stores/discharge of metal hydride hydrogen-storing device;
4. data processor shows the amounts of hydrogen that metal hydride hydrogen-storing device can store/discharge.
The utility model metal hydride hydrogen-storing device storage/release hydrogen amount On-line Measuring Method can also adopt following technical scheme:
Described metal hydride hydrogen-storing device storage/release hydrogen amount On-line Measuring Method, be characterized in: the data processor collection is installed in the digital pressure gauge on the metal hydride hydrogen-storing device signal piping, digital hydrogen flowmeter data message, directly measures metal hydride hydrogen-storing device and fills hydrogen/put hydrogen pressure and fill hydrogen/put hydrogen flow.
The purpose of this utility model provides a kind of simple in structure, easy to use, quickness and high efficiency, data are reliable, low cost of manufacture, design science is reasonable, and is economic and practical, applied widely, can store/the metal hydride hydrogen-storing device storage/release hydrogen amount On-line Measuring Method of the characteristics such as on-line measurement of conveniently carrying out of release hydrogen amount metal hydride hydrogen-storing device.
The technical scheme that the utility model metal hydride hydrogen-storing device storage/release hydrogen amount on-line measurement device is taked is:
A kind of metal hydride hydrogen-storing device storage/release hydrogen amount on-line measurement device, be characterized in: the on-line measurement device comprises digital pressure gauge, digital flowmeter, temperature sensor, data processor, digital pressure gauge are connected with outlet with the import of storage hydrogen device respectively, and digital flowmeter is connected with outlet with the import of storage hydrogen device respectively, temperature sensor is connected with metal hydride hydrogen-storing device, and digital pressure gauge, digital flowmeter, temperature sensor are connected by circuit with data processor.
The utility model metal hydride hydrogen-storing device storage/release hydrogen amount on-line measurement device can also adopt following technical scheme:
Described metal hydride hydrogen-storing device storage/release hydrogen amount on-line measurement device is characterized in: temperature sensor is installed in storage hydrogen device middle part, and the measurement range of temperature sensor is 0 ℃-100 ℃.
Described metal hydride hydrogen-storing device storage/release hydrogen amount on-line measurement device, be characterized in: the measurement range of digital pressure gauge is 0.01MPa-5MPa.
Described metal hydride hydrogen-storing device storage/release hydrogen amount on-line measurement device, be characterized in: digital flow is counted the hydrogen quality digital flowmeter.
Described metal hydride hydrogen-storing device storage/release hydrogen amount on-line measurement device, be characterized in: data processor is made of recording controller and display, and recording controller is connected with Output Display Unit by circuit.
Described metal hydride hydrogen-storing device storage/release hydrogen amount on-line measurement device, be characterized in: data processing controller is single-chip microcomputer or PLC, single-chip microcomputer or PLC are connected with output LED or LCD display by circuit.
Advantage and the good effect that the utlity model has are:
Metal hydride hydrogen-storing device storage/release hydrogen amount on-line measurement device is owing to adopted the utility model brand-new technology scheme, compared with prior art, the utlity model has and measure simply, easy to use, quickness and high efficiency, data are accurate, and are reliable and stable, low cost of manufacture, design science is reasonable, economic and practical, advantage such as applied widely can be widely used in various metal hydride hydrogen-storing devices can store/on-line measurement of release hydrogen amount.
Description of drawings
Fig. 1 is metal hydride hydrogen-storing device storage/release hydrogen amount on-line measurement apparatus structure synoptic diagram;
Fig. 2 metal hydride hydrogen-storing device temperature and pressure-storage/hydrogen desorption capacity concerns synoptic diagram.
Among the figure, the 1-tensimeter; The 2-flowmeter; The 3-hydrogen container; The 4-temperature sensor; The 5-single-chip microcomputer; The 6-display.
Embodiment
For further understanding utility model content of the present utility model, characteristics and effect, exemplify following examples now, and conjunction with figs. is described in detail as follows:
Consult accompanying drawing 1 and Fig. 2.
Embodiment 1
A kind of metal hydride hydrogen-storing device storage/release hydrogen amount on-line measurement device, comprise digital pressure gauge 1, digital flowmeter 2, temperature sensor 4, data processor, digital pressure gauge 1 are connected with outlet with the import of storage hydrogen device respectively, and digital flowmeter 2 is connected with outlet with the import of storage hydrogen device respectively, temperature sensor 4 is connected with metal hydride hydrogen-storing device, and digital pressure gauge, digital flowmeter, temperature sensor are connected by circuit with data processor.
Temperature sensor 4 is installed in hydrogen container 3 middle parts, and the measurement range of temperature sensor 4 is 0 ℃-100 ℃; The measurement range of digital pressure gauge 1 is 0.01MPa-5MPa.
Digital flowmeter 2 is the hydrogen quality digital flowmeter.Data processor is made of single-chip microcomputer 5 and light-emitting diode display 6, and single-chip microcomputer 5 is connected with light-emitting diode display 6.
The concrete operations measuring process of present embodiment:
1. preset initial value
According to known hydrogen bearing alloy and Chu Qing device structure, experiment records the relation of the temperature and pressure-storage/hydrogen desorption capacity of metal hydride hydrogen-storing device, and its preset value is stored in the single-chip microcomputer.
2. detect in real time, compare, calculate and to fill the maximum hydrogen tolerance that maybe can put
Come detected pressures by digital pressure gauge, come detected temperatures by temperature sensor, detect hydrogen flowing quantity by mass flowmeter, and detected data are passed to single-chip microcomputer, single-chip microcomputer calculates the maximum hydrogen tolerance that maybe can put of filling of metal hydride hydrogen-storing device at that time by pressure and temperature.
3. relatively show and to fill the amounts of hydrogen that maybe can put
Relatively calculate filling of gained and maybe can put maximum hydrogen tolerance and filled with the accumulation of surveying by hydrogen flowmeter or put amounts of hydrogen, can obtain and show that filling maybe of metal hydride hydrogen-storing device can put amounts of hydrogen;
4. above step repeats to measure in real time and shows that filling maybe of metal hydride hydrogen-storing device can put amounts of hydrogen.
Embodiment 2
Metal hydride hydrogen-storing device storage/release hydrogen amount On-line Measuring Method: data processor is gathered storage/release hydrogen pressure, temperature and the flow of metal hydride hydrogen-storing device, on-line measurement shows metal hydride hydrogen-storing device storage/release hydrogen amount, its measuring process:
1. import the relation data of metal hydride storage/release hydrogen amount and temperature/pressure in the data processor;
2. measure metal hydride hydrogen-storing device and fill hydrogen/put hydrogen pressure, fill hydrogen/put hydrogen integrated flow, storage hydrogen device internal temperature;
3. data processor calculates the amounts of hydrogen that stores/discharge of metal hydride hydrogen-storing device;
4. data processor shows the amounts of hydrogen that metal hydride hydrogen-storing device can store/discharge.
During the online detection of present embodiment, the data processor collection is installed in the digital pressure gauge on the metal hydride hydrogen-storing device signal piping, digital hydrogen flowmeter data message, directly measures metal hydride hydrogen-storing device and fills hydrogen/put hydrogen pressure and fill hydrogen/put hydrogen flow.
Claims (6)
1. metal hydride hydrogen-storing device storage/release hydrogen amount on-line measurement device, it is characterized in that: the on-line measurement device comprises digital pressure gauge, digital flowmeter, temperature sensor, data processor, digital pressure gauge are connected with outlet with the import of storage hydrogen device respectively, and digital flowmeter is connected with outlet with the import of storage hydrogen device respectively, temperature sensor is connected with metal hydride hydrogen-storing device, and digital pressure gauge, digital flowmeter, temperature sensor are connected by circuit with data processor.
2. metal hydride hydrogen-storing device storage/release hydrogen amount on-line measurement device according to claim 1 is characterized in that: temperature sensor is installed in storage hydrogen device middle part, and the measurement range of temperature sensor is 0 ℃-100 ℃.
3. metal hydride hydrogen-storing device storage/release hydrogen amount on-line measurement device according to claim 1, it is characterized in that: the measurement range of digital pressure gauge is 0.01MPa-5MPa.
4. metal hydride hydrogen-storing device storage/release hydrogen amount on-line measurement device according to claim 1, it is characterized in that: digital flow is counted the hydrogen quality digital flowmeter.
5. metal hydride hydrogen-storing device storage/release hydrogen amount on-line measurement device according to claim 1, it is characterized in that: data processor is made of recording controller and display, and recording controller is connected with Output Display Unit by circuit.
6. metal hydride hydrogen-storing device storage/release hydrogen amount on-line measurement device according to claim 5, it is characterized in that: data processing controller is single-chip microcomputer or PLC, single-chip microcomputer or PLC are connected with output LED or LCD display by circuit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320027862 CN203053500U (en) | 2013-01-17 | 2013-01-17 | Stored or released hydrogen amount online measuring device of metal hydride hydrogen storing device |
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|---|---|---|---|
| CN 201320027862 CN203053500U (en) | 2013-01-17 | 2013-01-17 | Stored or released hydrogen amount online measuring device of metal hydride hydrogen storing device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115649A (en) * | 2013-01-17 | 2013-05-22 | 中国计量学院 | Online measurement method and device of hydrogen gas storage or release amount of metal hydride hydrogen storage container |
| CN106123984A (en) * | 2016-07-08 | 2016-11-16 | 南通科技职业学院 | Hydrogen Fuel-cell Vehicles hydrogen-consuming volume real-time displaying device and detection method thereof |
| CN110357034A (en) * | 2019-07-22 | 2019-10-22 | 河北工业大学 | A kind of hydrogen retrieval system and method based on metal hydride |
-
2013
- 2013-01-17 CN CN 201320027862 patent/CN203053500U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115649A (en) * | 2013-01-17 | 2013-05-22 | 中国计量学院 | Online measurement method and device of hydrogen gas storage or release amount of metal hydride hydrogen storage container |
| CN106123984A (en) * | 2016-07-08 | 2016-11-16 | 南通科技职业学院 | Hydrogen Fuel-cell Vehicles hydrogen-consuming volume real-time displaying device and detection method thereof |
| CN110357034A (en) * | 2019-07-22 | 2019-10-22 | 河北工业大学 | A kind of hydrogen retrieval system and method based on metal hydride |
| CN110357034B (en) * | 2019-07-22 | 2022-06-17 | 河北工业大学 | Hydrogen recovery system and method based on metal hydride |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20150117 |
|
| EXPY | Termination of patent right or utility model |