CN211375733U - Hydrogen leakage detection terminal and system easy to install - Google Patents
Hydrogen leakage detection terminal and system easy to install Download PDFInfo
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- CN211375733U CN211375733U CN202020397812.5U CN202020397812U CN211375733U CN 211375733 U CN211375733 U CN 211375733U CN 202020397812 U CN202020397812 U CN 202020397812U CN 211375733 U CN211375733 U CN 211375733U
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Abstract
The utility model discloses a hydrogen leakage detection terminal easy to install, including shell (1), data processing module (2) sealed setting on the shell, RJ45 network connector (3) and alarm indicator (4), the data processing module lower extreme is connected with hydrogen sensing module (5), be provided with hydrogen sensor (51) in the hydrogen sensing module, hydrogen sensor is used for detecting the concentration of hydrogen in the environment that awaits measuring, data processing module is used for receiving the hydrogen concentration data that hydrogen sensor detected and compares data with the safe hydrogen concentration threshold value of presetting and then through alarm indicator early warning suggestion; and the RJ45 network connector is used for connecting with an external network. Further still disclose the hydrogen leakage detection system of an easily installation, this system still includes POE switch and surveillance center except that above-mentioned detection terminal, the utility model discloses can realize the detection of hydrogen concentration among the environment that awaits measuring fast, no complicated wiring, use safety can realize internet remote monitoring.
Description
Technical Field
The utility model relates to a hydrogen leakage alarm technical field, concretely relates to hydrogen leakage detection terminal and system of easily installing.
Background
The hydrogen energy is a new energy source which has rich resources, high heat value, storability, reproducibility, cleanness and no pollution, but hydrogen has certain risks in all links such as production, storage and transportation, application and the like, and most accidents are caused by hydrogen leakage without signs, oxyhydrogen wastewater explosion, pipeline and pressure vessel explosion and the like.
The traditional hydrogen leakage alarm terminal adopts the connection mode shown in fig. 1 and fig. 2, generally an RS485 adapter output or a 4-20mA three-wire system output, and the design structure of the terminal has the following disadvantages:
1. the transmission distance is limited, the power receiving end is not detected firstly, no handshake is carried out, and 12V, 24V or 48V power supply is directly carried out.
2. The hydrogen leakage detection terminal generally has no circuit abnormality recognition chip, and after the hydrogen leakage detection terminal passes through 36V voltage, the touch of both hands can have electric shock sensation, and the hidden danger that equipment is easily burnt out, electric shock and short circuit cause fire is generated.
3. Manual wiring is needed on site, and construction is complicated.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem of the existence, the utility model provides a hydrogen leakage detection terminal and system of easily installing.
The utility model adopts the technical proposal that: the hydrogen leakage detection terminal easy to install is provided, and comprises a shell, a data processing module, an RJ45 network connector and an alarm indicator lamp, wherein the data processing module is hermetically arranged on the shell, the lower end of the data processing module is connected with a hydrogen sensing module, a hydrogen sensor is arranged in the hydrogen sensing module and used for detecting the concentration of hydrogen in an environment to be detected, the data processing module is used for receiving hydrogen concentration data detected by the hydrogen sensor, comparing the hydrogen concentration detection data information with a preset safe hydrogen concentration threshold value, and then carrying out early warning prompt through the alarm indicator lamp; the RJ45 network connector is used for connecting with an external network.
Preferably, the hydrogen sensing module is further provided with a hydrogen sensor protective cover, the hydrogen sensor is arranged in the hydrogen sensor protective cover, the hydrogen sensor protective cover is provided with an opening, a mesh-shaped baffle is arranged on the inner side of the opening of the hydrogen sensor protective cover, and the mesh-shaped baffle is arranged under the hydrogen sensor.
Preferably, the surface of the lower end of the hydrogen sensor is provided with a layer of waterproof breathable film, and the waterproof breathable film is mainly used for waterproof protection of the detection tail end of the hydrogen sensor.
Preferably, the alarm indicator light carries out early warning prompt through three colors of yellow, red and green; the yellow color represents a primary warning; red represents secondary early warning; green represents normal.
Of course, according to practical application, the alarm indication may also be provided with 1, 2 or more than 3 colors or other representation forms for early warning indication.
Preferably, when the hydrogen sensor detects that the concentration of hydrogen in the environment to be detected is higher than 25% of a preset safe hydrogen concentration threshold value, the alarm indicator lamp starts first-level early warning;
when the hydrogen sensor detects that the concentration of hydrogen in the environment to be detected is higher than 50% of a preset safe hydrogen concentration threshold value, an alarm indicator lamp is turned on to perform secondary early warning;
when the hydrogen sensor detects that the concentration of hydrogen in the environment to be detected is equal to or lower than a preset safe hydrogen concentration threshold value, the alarm indicator lamp normally operates.
Further, a hydrogen leakage detection system easy to install is provided, which comprises a hydrogen leakage detection terminal easy to install, a POE switch and a monitoring center, wherein the hydrogen leakage detection terminal easy to install comprises a shell, a data processing module hermetically arranged on the shell, an RJ45 network connector and an alarm indicator lamp, the lower end of the data processing module is connected with a hydrogen sensing module, a hydrogen sensor is arranged in the hydrogen sensing module and used for detecting the concentration of hydrogen in an environment to be detected, the data processing module is used for receiving hydrogen concentration data detected by the hydrogen sensor and carrying out early warning prompt through the alarm indicator lamp after comparing the hydrogen concentration detection data information with a preset safe hydrogen concentration threshold value; the RJ45 network connector is used for connecting with an external network; a hydrogen leakage detection terminal and POE switch of easily installing are connected, the hydrogen concentration detection data that monitoring center realized hydrogen leakage detection terminal through the POE switch show and real time monitoring.
The utility model discloses the beneficial effect who brings does:
(1) the hydrogen leakage detection terminal of the utility model has flexible wiring, does not need complex power supply wiring, and is beautiful and simple; the cost can be reduced to the maximum extent, the construction and maintenance expenses of power supply equipment, such as power lines, sockets, line reconstruction and the like, the installation labor cost and the installation time can be saved; the deployment is flexible, the deployment position of the equipment is not limited, and the problems of power lines, socket positions and the like do not need to be considered;
(2) the detection of the hydrogen concentration in the environment to be detected can be rapidly realized, the early warning prompt is carried out through the warning indicator lamp after the detection result of the hydrogen concentration is judged through the data processing module, and the effective acquisition and the safe application of the hydrogen sensor during use can be effectively protected due to the design of each structure in the hydrogen sensing module;
(3) after the hydrogen leakage detection device is communicated with the POE exchanger and the monitoring center to work, stable power supply can be realized, the detection terminal has no strong electricity and no electric leakage danger, and the hydrogen leakage detection device is particularly suitable for hydrogen leakage detection in scenes such as a fuel cell test platform, a hydrogen refueling station, hydrogen storage and transportation and the like; the whole structure has strong anti-interference capability and can realize remote monitoring management.
Drawings
FIG. 1 is a schematic structural diagram of a conventional RS485 adapter output hydrogen leakage alarm terminal described in the background art;
FIG. 2 is a schematic diagram of a conventional 4-20mA three-wire system output hydrogen leakage alarm terminal according to the background art;
fig. 3 is a schematic structural view of an easy-to-install hydrogen leakage detection terminal according to the present invention;
fig. 4 is a schematic structural diagram of an easy-to-install hydrogen leakage detection terminal system.
Detailed Description
As shown in figure 1, for the traditional RS485 adapter output hydrogen leakage alarm terminal, the device needs positive and negative and A/B signal lines to be structurally externally connected, and meanwhile, the outside of the device needs to be connected with a host to work together with the host.
As shown in fig. 2, the conventional 4-20mA three-wire system hydrogen leakage alarm terminal is similar to the device shown in fig. 1, and during actual use, the external host needs to be connected to work together with the host, so that the circuit is complex, the wiring work is complicated, the detection of the hydrogen concentration is not flexible enough, and the rapid detection of the hydrogen concentration in the field environment cannot be realized.
As shown in fig. 3, a hydrogen leakage detection terminal is provided, which comprises a housing 1, a data processing module 2 hermetically disposed on the housing 1, an RJ45 network connector 3 and an alarm indicator 4, a hydrogen sensing module 5 is connected to the lower end of the data processing module 2, a hydrogen sensor 51 is disposed in the hydrogen sensing module 5, a hydrogen sensor protective cover 52, the hydrogen sensor 51 is disposed in the hydrogen sensor protective cover 52, an opening 521 is formed on the lower end face of the hydrogen sensor protective cover 52, a mesh-shaped baffle 53 is disposed at the inner side of the opening 521 of the hydrogen sensor protective cover, the mesh-shaped baffle 53 is disposed under the hydrogen sensor 51, and a waterproof breathable film 54 with a thickness of about 1mm is attached to the lower end surface of the hydrogen sensor 51.
During operation, will hydrogen leakage detection terminal put into hydrogen concentration environment that awaits measuring, RJ45 network connection 3 links to each other with outside internet, inserts the power, hydrogen sensor 51 begins to test hydrogen concentration in the environment that awaits measuring to in data processing module 2 is transmitted with survey data information, data processing module 2 contrasts this hydrogen concentration detection data information and predetermined safe hydrogen concentration threshold value:
if the hydrogen sensor 51 detects that the concentration of hydrogen in the environment to be detected is higher than 25% of a preset safe hydrogen concentration threshold value, the alarm indicator lamp 4 starts primary early warning and gives an alarm prompt in yellow;
if the hydrogen sensor 51 detects that the concentration of hydrogen in the environment to be detected is higher than 50% of a preset safe hydrogen concentration threshold value, the alarm indicator lamp 4 starts secondary early warning and carries out alarm prompt through red;
if the hydrogen sensor 51 detects that the concentration of hydrogen in the environment to be detected is equal to or lower than a preset safe hydrogen concentration threshold value, the alarm indicator lamp 4 operates normally, and alarm prompt is carried out in a green mode;
during operation, waterproof ventilated membrane 54 can effectual protection hydrogen sensor 51 end not receive the higher environment of moisture concentration to use, and netted baffle 53 can be effectively to hydrogen sensor 51 protection and guarantee when carrying out hydrogen concentration detection simultaneously, avoids hydrogen sensor 51 detectivity low, and the error is big, and ambient temperature compensation is difficult, reaches cross sensitive scheduling problem.
As shown in fig. 4, a hydrogen leakage detection system is provided, and a plurality of hydrogen leakage detection terminals shown in fig. 3 are connected with a plurality of POE switches 6 and connected with a monitoring center 7 through the internet, so that the monitoring center 7 realizes the display and real-time monitoring of hydrogen concentration detection data to the hydrogen leakage detection terminals through the POE switches 6. Meanwhile, in order to prevent interruption of main power input, a UPS (uninterruptible power supply) is applied to the system as a standby power supply, so that 24-hour uninterrupted monitoring of scenes such as a hydrogen filling station, hydrogen storage and transportation and the like can be realized.
The above description is provided for the purpose of describing the present invention in more detail with reference to the preferred embodiments, and it should not be construed that the present invention is limited to these descriptions, and it will be apparent to those skilled in the art that the present invention can be implemented by various modifications without departing from the spirit and scope of the present invention.
Claims (6)
1. The utility model provides a hydrogen leak testing terminal of easily installing which characterized in that: the hydrogen concentration monitoring device comprises a shell (1), a data processing module (2) hermetically arranged on the shell (1), an RJ45 network connector (3) and an alarm indicator lamp (4), wherein the lower end of the data processing module (2) is connected with a hydrogen sensing module (5), a hydrogen sensor (51) is arranged in the hydrogen sensing module (5), the hydrogen sensor (51) is used for detecting the concentration of hydrogen in an environment to be detected, the data processing module (2) is used for receiving hydrogen concentration data detected by the hydrogen sensor (51), and after the hydrogen concentration detection data information is compared with a preset safe hydrogen concentration threshold value, early warning prompt is carried out through the alarm indicator lamp (4); the RJ45 network connector (3) is used for connecting with an external network.
2. An easy-to-install hydrogen gas leak detection terminal according to claim 1, characterized in that: the hydrogen sensing module (5) is characterized by further comprising a hydrogen sensor protection cover (52), the hydrogen sensor (51) is arranged in the hydrogen sensor protection cover (52), the hydrogen sensor protection cover (52) is provided with an opening (521), a mesh baffle (53) is arranged on the inner side of the opening (521) of the hydrogen sensor protection cover, and the mesh baffle (53) is arranged under the hydrogen sensor (51).
3. An easy-to-install hydrogen gas leak detection terminal according to claim 1, characterized in that: the lower end surface of the hydrogen sensor (51) is provided with a layer of waterproof breathable film (54).
4. An easy-to-install hydrogen gas leak detection terminal according to claim 1, characterized in that: the alarm indicator lamp (4) carries out early warning prompt through three colors of yellow, red and green; the yellow color represents a primary warning; red represents secondary early warning; green represents normal.
5. An easy-to-install hydrogen gas leak detection terminal according to claim 4, characterized in that:
when the hydrogen sensor (51) detects that the concentration of hydrogen in the environment to be detected is higher than 25% of a preset safe hydrogen concentration threshold value, the alarm indicator lamp (4) starts primary early warning;
when the hydrogen sensor (51) detects that the concentration of hydrogen in the environment to be detected is higher than 50% of a preset safe hydrogen concentration threshold value, the alarm indicator lamp (4) starts secondary early warning;
when the hydrogen sensor (51) detects that the concentration of hydrogen in the environment to be detected is equal to or lower than a preset safe hydrogen concentration threshold value, the alarm indicator lamp (4) normally operates.
6. The utility model provides an easy hydrogen leak testing system who installs which characterized in that: the hydrogen leakage detection terminal easy to install, including claim 1, POE switch and surveillance center, the hydrogen leakage detection terminal easy to install is connected with the POE switch, the hydrogen concentration detection data that the surveillance center realized hydrogen leakage detection terminal through the POE switch shows and real time monitoring.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2023036068A1 (en) * | 2021-09-08 | 2023-03-16 | 林信涌 | Hydrogen water generating device with warning function, and hydrogen production system thereof |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2023036068A1 (en) * | 2021-09-08 | 2023-03-16 | 林信涌 | Hydrogen water generating device with warning function, and hydrogen production system thereof |
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