CN213456765U - Portable concentration detection device of unsym-dimethyl hydrazine - Google Patents
Portable concentration detection device of unsym-dimethyl hydrazine Download PDFInfo
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- CN213456765U CN213456765U CN202022186459.9U CN202022186459U CN213456765U CN 213456765 U CN213456765 U CN 213456765U CN 202022186459 U CN202022186459 U CN 202022186459U CN 213456765 U CN213456765 U CN 213456765U
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Abstract
The utility model discloses a portable concentration detection device of uns-dimethylhydrazine, including uns-dimethylhydrazine concentration detection appearance body, fixed installation piece, slidingtype installation piece, the roof upper end of uns-dimethylhydrazine concentration detection appearance body is equipped with fixed installation piece, slidingtype installation piece, and the existence that fixed installation piece, slidingtype installation piece cooperation are connected for this uns-dimethylhydrazine concentration detection appearance body can realize the poling/embrace the pipe installation, put a top installation and paste the wall installation, can adapt to the demand of the different mounting method under the multiple environment from this. The unsymmetrical dimethylhydrazine concentration detector body is internally provided with a unsymmetrical dimethylhydrazine concentration detection sensor, the unsymmetrical dimethylhydrazine concentration detection sensor part can also be improved, and a sensor element can effectively excite a relatively aged sensor by adding a multi-stage controllable excitation voltage control module, so that the service life of the sensor is prolonged to the maximum extent.
Description
Technical Field
The utility model relates to a uns-dimethylhydrazine check out test set technical field especially relates to portable concentration detection device of uns-dimethylhydrazine.
Background
Partial dimethylHydrazine, or 1, 1-dimethylhydrazine, of the formula (CH)3)2NNH2Or C2H8N2Colorless flammable liquid. Unsymmetrical dimethylhydrazine is the main fuel of launching tests and carrier rockets of missiles, satellites, airships and the like, and the pollution to water bodies is always emphasized.
The existing unsymmetrical dimethylhydrazine concentration detection device needs to be installed in various environments in order to adapt to the requirements of use of various environments, such as a pipe fitting, a wall body or a top plate, however, the existing unsymmetrical dimethylhydrazine concentration detection device is generally installed by arranging an installation plate on an unsymmetrical dimethylhydrazine concentration detector, the installation direction is relatively single, the existing unsymmetrical dimethylhydrazine concentration detection device cannot adapt to the installation requirements of various environments, the existing unsymmetrical dimethylhydrazine concentration detection device is not favorable for quick disassembly, and the use is not convenient and efficient enough.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a portable concentration detection device of uns-dimethylhydrazine.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a portable unsymmetrical dimethylhydrazine concentration detection device comprises:
the unsymmetrical dimethylhydrazine concentration detector comprises a unsymmetrical dimethylhydrazine concentration detector body, wherein an adjusting sliding chute is formed in the top wall of the unsymmetrical dimethylhydrazine concentration detector body;
the mounting block body is fixedly arranged above the rear end of the top wall of the unsymmetrical dimethylhydrazine concentration detector body, a semicircular accommodating groove is formed in the first mounting block body towards the front end direction, a wall-attached mounting hole penetrating through the semicircular accommodating groove is formed in the rear end of the first mounting block body, the first mounting plate is L-shaped, an adjusting threaded hole is formed in a longitudinal plate of the first mounting plate, and a top-placing mounting hole is formed in a transverse plate of the first mounting plate in a penetrating manner;
the sliding type installation block is composed of a second installation block body and a second installation plate integrally connected above the second installation block body, the second installation block body is inverted T-shaped, the second installation block body is matched and connected in a sliding mode in the adjusting sliding groove, a semicircular accommodating groove is formed in the second installation block body towards the rear end direction, an adjusting threaded hole is also formed in the surface of the second installation plate and corresponds to the adjusting threaded hole in the first installation plate, and fixing pieces are arranged on the corresponding adjusting threaded holes of the first installation plate and the second installation plate in a penetrating mode.
Preferably, the adjustment screw hole has a plurality of holes.
Preferably, the mounting device further comprises a rib plate, and the rib plate is arranged on the longitudinal plate of the first mounting plate and on the second mounting plate.
Preferably, the rib has a plurality of pieces.
Preferably, the fixing pieces are bolts and nuts, the first mounting plate and the second mounting plate are connected with bolts in a penetrating and threaded mode corresponding to the adjusting threaded holes, and the bolts are fastened through the nuts.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a portable concentration detection device of uns-dimethylhydrazine can adapt to multiple installation environment to in installing different environment with this uns-dimethylhydrazine concentration detection appearance body, if the poling/embrace the pipe installation, put the installation on top and paste the wall installation, convenient to use and dismantlement, work efficiency is high.
Drawings
FIG. 1 is an overall front view of the present invention;
FIG. 2 is an overall side view of the present invention;
FIG. 3 is a block diagram of a conventional unsymmetrical dimethylhydrazine concentration detection sensor module;
FIG. 4 is a block diagram of the unsymmetrical dimethylhydrazine concentration detecting sensor module of the present invention;
in the figure: 1. unsymmetrical dimethylhydrazine concentration detector body; 2. adjusting the sliding chute; 3. a first mounting block body; 4. a first mounting plate; 5. a semicircular accommodating groove; 6. pasting a wall mounting hole; 7. placing a top mounting hole; 8. a second mounting block; 9. a second mounting plate; 10. a semicircular accommodating groove; 11. A bolt; 12. a nut; 13. a rib plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-2, a portable unsymmetrical dimethylhydrazine concentration detection apparatus includes a unsymmetrical dimethylhydrazine concentration detector body 1, a fixed mounting block and a sliding mounting block.
An adjusting chute 2 is arranged on the top wall of the unsymmetrical dimethylhydrazine concentration detector body 1.
This fixed installation piece comprises first installation piece block 3, first installation piece block 3 top an organic whole first mounting panel 4 of connecting.
As shown in fig. 1, the first mounting block 3 is fixedly arranged above the rear end of the top wall of the unsymmetrical dimethylhydrazine concentration detector body 1, the first mounting block 3 is provided with a semicircular accommodating groove 5 towards the front end direction, and the rear end of the first mounting block 3 is provided with a wall-attached mounting hole 6 penetrating through the semicircular accommodating groove; first mounting panel 4 is "L" shape, has seted up a plurality of adjustment screw holes on the vertical board of first mounting panel 4, has link up on the horizontal board of first mounting panel 4 and has seted up and put a mounting hole 7.
The sliding type mounting block is composed of a second mounting block body 8 and a second mounting plate 9 integrally connected above the second mounting block body 8.
The second mounting block body 8 is in an inverted T shape and is in matched sliding connection with the adjusting chute 2, and a semicircular accommodating groove 10 is formed in the second mounting block body 8 towards the rear end direction; a plurality of adjusting threaded holes are also formed in the plate surface of the second mounting plate 9 and correspond to the adjusting threaded holes in the first mounting plate 4 one by one, bolts 11 penetrate through the corresponding threaded holes in the first mounting plate 4 and the second mounting plate 9, and the bolts 11 are fastened through nuts 12.
Be equipped with floor 13 on this first mounting panel 4's the vertical board and on the second mounting panel 9, floor 13 has the polylith, plays the effect that supports and strengthen intensity.
The utility model discloses a theory of operation does:
as shown in fig. 2, when top mounting is required, the unsymmetrical dimethylhydrazine concentration detector body 1 can be mounted on a top plate through a top mounting hole 7 of a first mounting plate 4, so that top mounting is realized;
as shown in fig. 1, when pipe penetrating or pipe supporting installation is required, the sliding installation block is adjusted in the adjustment sliding groove 2, a pipe fitting penetrates between the two semicircular accommodating grooves 5 and the semicircular accommodating groove 10, a bolt 11 penetrates through the corresponding adjustment threaded hole on the first installation plate 4 and the second installation plate 9, the bolt 11 is fastened by a nut 12, and the pipe fitting is fastened and fixed, so that the pipe penetrating or pipe supporting installation of the unsymmetrical dimethylhydrazine concentration detector body 1 is realized;
as shown in fig. 1, when the detector body 1 needs to be mounted on a wall, a screw or other fastening member is inserted into the wall mounting hole 6 of the first mounting block 3 and screwed into the wall mounting hole, so that the detector body 1 is mounted on the wall.
This uns dimethylhydrazine concentration detector body 1 embeds there is uns dimethylhydrazine concentration detection sensor, and the sensor part can make the improvement.
The sensor module part selects a unsymmetrical dimethylhydrazine sensor independently researched and developed by domestic sensor manufacturers, adopts the PID photoionization principle technology, and consists of a vacuum ultraviolet lamp, a high-sensitivity low-noise detection circuit and a miniature ionization chamber. The sensor can provide a detection range of up to 150ppm and a detection limit of at least 0.05ppm, is in a standard 7-series compact and modular design, is convenient to maintain and replace, and has extremely high response speed, extremely high resolution and long service life.
The unsymmetrical dimethylhydrazine sensor adopts a more advanced ultraviolet lamp technology and adopts the most advanced 10.6eV grid electrode photoionization detector in China, the photoionization detector provides ionization energy through a high-energy ultraviolet lamp, and when a Volatile Organic Compound (VOC) with an Ionization Potential (IP) smaller than the energy of the ultraviolet lamp passes through an ionization cavity, an ultraviolet light source (UV) of PID can break the compound into positive and negative ions which can be detected (the process is ionization). The detector measures the ionized gas charge and converts it to a current signal, which is then amplified and converted to a concentration value.
A preceding-stage modulation circuit is arranged in a sensing element of a traditional PID sensor, the sensing element of the PID sensor can start to work only by supplying a proper power supply, the output of the PID sensor is analog output, and an amplified signal enters an AD converter through a 1-stage amplification circuit. The analog quantity of the sensor sensitive element is converted into digital quantity by the AD converter, and then the digital quantity is led into the CPU, and the module system block diagram is shown in figure 3.
However, as the unsymmetrical dimethylhydrazine sensor is aged along with the working time, the sensitivity is reduced and even lost, the newly designed PID sensor which is relatively aged can be effectively excited by adding the multi-stage controllable excitation voltage control module, the sensitivity of the UV lamp is effectively increased, and the service life of the sensor is prolonged to the maximum extent.
Under normal conditions, the excitation voltage control module only plays a detection role; when the sensitive element of the sensor is aged and the sensitivity is reduced, the excitation voltage control module starts to work, the reference voltage is correspondingly increased through the comparison of the electric signal fed back by the sensor and the data of the early electric signal by the module, and the effects of exciting the sensor and improving the sensitivity are achieved, and the schematic block diagram is shown in fig. 4.
Sensor module and CPU's connector is the IIC bus, transmits into CPU with sensor data in real time, and CPU can show data at the display screen to regularly save data, CPU passes through the calculation and transmits into WIFI wireless module (selection) with data through the UART interface for send to wireless transceiver controller.
Meanwhile, an EEPROM unit is arranged outside the IIC bus and used for storing information such as sensor calibration data, sensor basic information, equipment ID, configuration parameters and the like, and all storage parameters can be stored for a long time when the system is powered off.
Except for the sensor module, other modules are common. Every instrument can realize the detection of different gases through changing the sensor module, the portable gas concentration monitor sensor module of uns-dimethylhydrazine chooses the PID sensor module of our company's autonomous design for use, the sensor chooses the uns-dimethylhydrazine sensor of domestic advanced PID photoionization principle for use, the sensor adopts domestic most advanced 10.6eV grid electrode photoionization detector, photoionization detector provides the energy of ionization through a high-energy ultraviolet lamp, when Ionization Potential (IP) is less than the Volatile Organic Compounds (VOC) of ultraviolet lamp energy through the ionization chamber, PID's ultraviolet source (UV) will break this compound into can be detected positive and negative ions (this process is ionization promptly). The detector measures the ionized gas charge and converts it into a current signal, which is then amplified and converted into a concentration value by the sensor module.
Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.
Claims (5)
1. Portable concentration detection device of uns-dimethylhydrazine, its characterized in that includes:
the unsymmetrical dimethylhydrazine concentration detector comprises a unsymmetrical dimethylhydrazine concentration detector body, wherein an adjusting sliding chute is formed in the top wall of the unsymmetrical dimethylhydrazine concentration detector body;
the mounting block body is fixedly arranged above the rear end of the top wall of the unsymmetrical dimethylhydrazine concentration detector body, a semicircular accommodating groove is formed in the first mounting block body towards the front end direction, a wall-attached mounting hole penetrating through the semicircular accommodating groove is formed in the rear end of the first mounting block body, the first mounting plate is L-shaped, an adjusting threaded hole is formed in a longitudinal plate of the first mounting plate, and a top-placing mounting hole is formed in a transverse plate of the first mounting plate in a penetrating manner;
the sliding type installation block is composed of a second installation block body and a second installation plate integrally connected above the second installation block body, the second installation block body is inverted T-shaped, the second installation block body is matched and connected in a sliding mode in the adjusting sliding groove, a semicircular accommodating groove is formed in the second installation block body towards the rear end direction, an adjusting threaded hole is also formed in the surface of the second installation plate and corresponds to the adjusting threaded hole in the first installation plate, and fixing pieces are arranged on the corresponding adjusting threaded holes of the first installation plate and the second installation plate in a penetrating mode.
2. The portable unsymmetrical dimethylhydrazine concentration detecting device according to claim 1, wherein the adjusting screw hole has a plurality of holes.
3. The portable unsymmetrical dimethylhydrazine concentration detecting device according to claim 1, further comprising a rib provided on the longitudinal plate of the first mounting plate and on the second mounting plate.
4. The portable unsymmetrical dimethylhydrazine concentration detecting device according to claim 3, wherein the rib has a plurality of pieces.
5. The portable unsymmetrical dimethylhydrazine concentration detection device according to claim 1 or 2, wherein the fixing members are bolts and nuts, and the first mounting plate and the second mounting plate are provided with bolts corresponding to the adjustment screw holes in a penetrating manner, and the bolts are fastened by the nuts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022186459.9U CN213456765U (en) | 2020-09-29 | 2020-09-29 | Portable concentration detection device of unsym-dimethyl hydrazine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022186459.9U CN213456765U (en) | 2020-09-29 | 2020-09-29 | Portable concentration detection device of unsym-dimethyl hydrazine |
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| CN213456765U true CN213456765U (en) | 2021-06-15 |
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| CN202022186459.9U Active CN213456765U (en) | 2020-09-29 | 2020-09-29 | Portable concentration detection device of unsym-dimethyl hydrazine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113607801A (en) * | 2021-08-09 | 2021-11-05 | 湖南国天电子科技有限公司 | Technology for prolonging service life of sensor by multistage controllable excitation voltage control module |
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2020
- 2020-09-29 CN CN202022186459.9U patent/CN213456765U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113607801A (en) * | 2021-08-09 | 2021-11-05 | 湖南国天电子科技有限公司 | Technology for prolonging service life of sensor by multistage controllable excitation voltage control module |
| CN113607801B (en) * | 2021-08-09 | 2023-09-29 | 湖南国天电子科技有限公司 | Method for prolonging service life of sensor by multistage controllable excitation voltage control module |
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Denomination of utility model: Portable concentration detection device for unsymmetrical dimethylhydrazine Effective date of registration: 20230323 Granted publication date: 20210615 Pledgee: Guangdong Shunde Rural Commercial Bank Co.,Ltd. science and technology innovation sub branch Pledgor: Guangdong Guotian Space-time Technology Co.,Ltd. Registration number: Y2023980035909 |