CN218298176U

CN218298176U - Nitrogen oxygen sensor that measurement accuracy is high

Info

Publication number: CN218298176U
Application number: CN202221792184.6U
Authority: CN
Inventors: 彭琛; 雷运清
Original assignee: Chengdu Nernst New Material Technology Co ltd
Current assignee: Chengdu Nernst New Material Technology Co ltd
Priority date: 2022-07-12
Filing date: 2022-07-12
Publication date: 2023-01-13
Anticipated expiration: 2032-07-12

Abstract

The utility model relates to a nitrogen oxygen sensor technical field especially relates to a nitrogen oxygen sensor that measurement accuracy is high. The technical scheme comprises the following steps: box body, mount pad and dampproofing box, the plug socket of extension is installed to the inside bottom of box body, and the inside grafting of plug socket is installed and is connected plug, and the detection sensor is installed through the cable in the connection plug bottom, detects the sensor outside and installs the mount pad, and the micro-fan is installed through the fan cover at the mount pad top. The utility model discloses a miniature fan circular telegram operation can produce suction, and suction can be collected the nitrogen oxygen in the air of diffusion, realizes the function of nitrogen oxygen content in the device initiative detection air, is convenient for concentrate the nitrogen oxygen content in the detection air, and the absorption air detects the precision that has not only improved the nitrogen oxygen content in the device detection air, also collects the air in the certain limit simultaneously to enlarged device detection range, improved the precision that the device detected.

Description

Nitrogen-oxygen sensor with high measurement accuracy

Technical Field

The utility model relates to a nitrogen oxygen sensor technical field specifically is a nitrogen oxygen sensor that measurement accuracy is high.

Background

At present, the tail gas of an automobile mostly refers to automobile tail gas, namely, the waste gas discharged from an exhaust pipe of the automobile, the automobile tail gas is another important factor of air pollution, the automobile tail gas contains carbon monoxide and nitrogen oxide and other solid particles which have adverse effects on human bodies, particularly lead-containing gasoline, so that the environment is seriously polluted due to the greater danger to the human bodies and the health of the human bodies is influenced, and a nitrogen oxygen sensor is required to be used for detecting the carbon monoxide and the nitrogen oxide, and the nitrogen oxygen sensor is a key device for measuring the nitrogen oxygen content of the automobile tail gas.

Through the search, patent publication No. CN216350592U discloses a nitrogen oxygen sensor, including the mounting bracket, the control unit, pencil and probe, the control unit passes through the pencil and is connected with the probe, the below of the control unit is equipped with the mounting bracket, the mounting bracket both ends are equipped with a bolt mounting hole that protrudes in the mounting bracket respectively, the below of mounting bracket is equipped with the rubber pad, the central authorities at the outside border of mounting bracket are equipped with bellied L type installation couple that one end is up, the outside border of rubber pad is equipped with the installation arm that has the hole site, the hole site of installation arm is connected on the L type installation couple that corresponds the side, CN216350592U not only collects the function of air at the in-process of use, can't concentrate the nitrogen oxygen in the air and detect, the detection precision of device has been reduced, do not have drying performance, make its inside easy steam that gets into when using in the moist environment, the cable that falls when steam condenses can lead to the circuit short circuit, the corrosion increases the cost of maintenance of device, the steam also leads to the inside metallic structure of device easily simultaneously, thereby shortened the life of device, we propose a problem that the measurement precision is high is solved in view of this.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a nitrogen oxygen sensor that measurement accuracy is high to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a nitrogen oxygen sensor that measurement accuracy is high, includes box body, mount pad and dampproofing box, the lid is installed through screw thread seat and bolt spare cooperation to the box body, the grafting seat of extension is installed to the inside bottom of box body, lid internally mounted has two sets of fasteners, dampproofing box is installed through the locking knob to the inside, the inside grafting of grafting seat is installed and is connected the plug, connect the plug bottom and install the detection sensor through the cable, detect the sensor outside and install the mount pad, the micro-fan is installed through the fan cover in the mount pad top, the receiver is installed to mount pad one side.

Can produce suction through the circular telegram operation of micro-type blower, suction can be collected the nitrogen oxygen in the air of diffusion, realize the function of device initiative detection of nitrogen oxygen content in the air, be convenient for concentrate the nitrogen oxygen content in the detection air, it not only improves the precision of the nitrogen oxygen content in the device detection air to absorb the air that the air not only detected, also collect the air in the certain limit simultaneously, thereby enlarged the device detection range, the precision that the device detected has been improved, it has active carbon and silica gel to fill through dampproofing box inside, utilize the inside active carbon of dampproofing box and the inside drying hole of silica gel accessible dampproofing box to adsorb the inside steam of box body, the aridity of the inside air of box body has been guaranteed, thereby effectively solve the problem that steam condenses and cause circuit short circuit and the corrosion of box body inner structure, the maintenance cost of device has been reduced, the service life of device is prolonged, also be convenient for use in the device humid environment simultaneously, the practicality of device has been improved.

Preferably, the box body internally mounted has the nitrogen oxygen detector, and the inside both sides of box body are provided with the screw thread seat, and the positive both sides pipe mounting of lid has two sets of bolt spare. Can calculate the signal of telecommunication that detects the sensor conveying through the nitrogen oxygen detector to convey the result of calculating to the monitor through the wire, the staff of being convenient for knows the measured data, installs inside the screw thread seat through bolt spare screw thread, and the lid of being convenient for carries out the dismouting, and can make the box body form a inclosed whole through the lid and improved the leakproofness and the waterproof nature of device.

Preferably, the shaft seat is installed inside the storage box through a spring, the installation hole plate is installed inside the shaft seat through a shaft bolt, and a clamping groove is formed in one side of the front face of the storage box. Through tensile installation orifice plate to inside extending the receiver, through the folding installation orifice plate of axle bed, the one end joint of being connected installation orifice plate and axle bed is inside the draw-in groove to realize the regulation of installation orifice plate installation direction, the device of being convenient for is adjusted according to the installation needs, makes the device be applicable to different mounted positions.

Preferably, the bottom end of the detection sensor is provided with a nitrogen and oxygen detection end in a threaded manner, and the top of the nitrogen and oxygen detection end is provided with a threaded sleeve. The nitrogen-oxygen content in the air is detected through a nitrogen-oxygen detection end, a detection electric signal is transmitted to a detection sensor, and the detection sensor transmits the electric signal to a nitrogen-oxygen detector through a cable.

Preferably, the protection casing is installed through the screw thread end to the mount pad bottom, and the protection casing is located the nitrogen oxygen detection end outside. Can protect the nitrogen oxygen sense terminal through the protection casing, prevent that foreign matter or external force from destroying the nitrogen oxygen sense terminal, guarantee the security of nitrogen oxygen sense terminal, prolong the life of nitrogen oxygen sense terminal.

Preferably, two groups of locking knobs are installed on the front surface of the clamping piece, and screw hole side plates are arranged on two sides of the moisture-proof box. Through twisting the locking knob soon to be connected with dampproofing box both sides screw curb plate, realize the installation to dampproofing box, make things convenient for the staff to carry out the dismouting to dampproofing box and change inside active carbon and the silica gel of filling.

Compared with the prior art, the beneficial effects of the utility model are that:

1. can produce suction through micro-fan circular telegram operation, suction can be collected the nitrogen oxygen in the air of diffusion, realizes the function that the device initiatively detected nitrogen oxygen content in the air, is convenient for concentrate the nitrogen oxygen content in the detection air, absorbs the air and detects the precision that has not only improved the nitrogen oxygen content in the device detection air, also collects the air of while within a certain range to enlarge device detection range, improved the precision that the device detected.

2. Through the inside packing of dampproofing box there are active carbon and silica gel, utilize the inside active carbon of dampproofing box and the inside dry hole of the dampproofing box of silica gel accessible to adsorb the inside steam of box body, the aridity of the inside air of box body has been guaranteed, thereby effectively solve steam condensation and cause the problem of circuit short circuit and the corrosion of box body inner structure, the cost of maintenance of device has been reduced, the life of device has been prolonged, use in the device humid environment of also being convenient for simultaneously, the practicality of device has been improved.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic sectional view of the mounting base of the present invention;

fig. 4 is a schematic view of a local structure of the storage box of the present invention.

In the figure: 1. a box body; 101. a box cover; 102. a bolt member; 103. a nitrogen-oxygen detector; 104. a socket; 105. a threaded seat; 2. a cable; 201. a connecting plug; 202. a detection sensor; 203. a nitrogen-oxygen detection terminal; 3. a mounting base; 301. a threaded end; 302. a protective cover; 4. a fan guard; 401. a micro fan; 5. a storage box; 501. a spring; 502. a shaft seat; 503. installing a pore plate; 504. a card slot; 6. a moisture-proof box; 601. a fastener; 602. and locking the knob.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.

Example one

As fig. 1, fig. 2, fig. 3 and fig. 4 show, the utility model provides a high nitrogen oxygen sensor of measurement accuracy, including box body 1, mount pad 3 and dampproofing box 6, box body 1 is installed lid 101 through screw thread seat 105 and bolt piece 102 cooperation, 1 internally mounted of box body has nitrogen oxygen detector 103, the grafting seat 104 of extension is installed to the inside bottom of box body 1, lid 101 internally mounted has two sets of fastener 601, fastener 601 is inside installs dampproofing box 6 through locking knob 602, the inside grafting of grafting seat 104 installs connecting plug 201, connecting plug 201 installs detection sensor 202 through cable 2 in the bottom, nitrogen oxygen detection end 203 is installed to detection sensor 202 bottom screw thread, and nitrogen oxygen detection end 203 top is provided with the thread bush, mount pad 3 is installed in the detection sensor 202 outside, micro fan 401 is installed through fan cover 4 at mount pad 3 top, receiver 5 is installed to mount pad 3 one side.

The high-measurement-precision nitrogen-oxygen sensor based on the embodiment 1 has the working principle that: the utility model discloses a moisture-proof device, including a micro-fan 401, LH-50S model, can produce suction through micro-fan 401 power-on operation, suction can collect the nitrogen oxygen in the air of diffusion, the air of collection gets into inside protection casing 302, detect the nitrogen oxygen content in the air through nitrogen oxygen sense terminal 203, and will detect electric signal transmission to detection sensor 202, detection sensor 202 passes through cable 2 with electric signal transmission to nitrogen oxygen detector 103, can calculate the electric signal that detects sensor 202 conveying through nitrogen oxygen detector 103, and convey the result of calculation to the monitor through the wire, be convenient for the staff to know the detection data, can produce suction through micro-fan 401 power-on operation and realize the device initiative and detect the function of nitrogen oxygen content in the air, be convenient for concentrate nitrogen oxygen content in the detection air, the absorption air detects not only to improve the precision that the nitrogen oxygen content in the device detection air, also collect the air in the certain scope simultaneously, thereby the device detection range has been enlarged, the precision that the device detected has improved, it has also has carried out the moisture-proof device to reduce the inside packing of moisture and has caused by moisture-proof box 6, thereby the effective use cost of the device is reduced, the moisture-proof device is convenient for use, moisture-proof device, the problem of moisture-proof device is solved, the moisture-proof device, the utility model.

Example two

As shown in fig. 1, fig. 2, and fig. 4, the present invention provides a nitrogen oxygen sensor with high measurement accuracy, compared to the first embodiment, the present embodiment further includes: the inside both sides of box body 1 are provided with screw thread seat 105, and the positive both sides pipe-line of lid 101 installs two sets of bolt spare 102, 5 inside spring 501 that pass through of receiver installs axle bed 502, axle bed 502 is inside installs mounting hole board 503 through the pintle, and 5 openly one side of receiver is provided with draw-in

groove

504, 3 bottoms of mount pad are installed protection casing 302 through screw thread end 301, and protection casing 302 is located the nitrogen oxygen detection end 203 outside, two sets of locking knobs 602 are openly installed to fastener 601, and dampproofing 6 both sides of box are provided with the screw curb plate.

In the embodiment, as shown in fig. 2, the screw bolt 102 is screwed into the screw seat 105, so that the box cover 101 can be conveniently disassembled and assembled, and the box body 1 can form a closed whole through the box cover 101, thereby improving the sealing property and the water resistance of the device; as shown in fig. 4, the installation hole plate 503 is stretched to extend out of the storage box 5, the installation hole plate 503 is folded through the shaft seat 502, and one end of the installation hole plate 503, which is connected with the shaft seat 502, is clamped in the clamping groove 504, so that the installation direction of the installation hole plate 503 is adjusted, the device can be conveniently adjusted according to installation requirements, and the device is suitable for different installation positions; as shown in fig. 1 and 2, the protective cover 302 can protect the nitrogen and oxygen detecting end 203, prevent foreign matters or external force from damaging the nitrogen and oxygen detecting end 203, ensure the safety of the nitrogen and oxygen detecting end 203, and prolong the service life of the nitrogen and oxygen detecting end 203; as shown in fig. 2, the moisture-proof box 6 is installed by screwing the locking knob 602 to be connected with the side plates of the screw holes on the two sides of the moisture-proof box 6, so that the moisture-proof box 6 can be conveniently disassembled and replaced by workers with activated carbon and silica gel filled inside.

The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations to the above embodiments based on the technical solution of the present invention and the related teachings of the above embodiments.

Claims

1. The utility model provides a nitrogen oxygen sensor that measurement accuracy is high, includes box body (1), mount pad (3) and dampproofing box (6), its characterized in that: box lid (101) are installed through screw thread seat (105) and bolt spare (102) cooperation in box body (1), bayonet socket (104) of extending are installed to the inside bottom of box body (1), box lid (101) internally mounted has two sets of fastener (601), dampproofing box (6) are installed through locking knob (602) to fastener (601) inside, connecting plug (201) are installed to inside grafting of bayonet socket (104), connecting plug (201) bottom is installed through cable (2) and is detected sensor (202), mount pad (3) are installed in the detection sensor (202) outside, micro-fan (401) are installed through fan cover (4) at mount pad (3) top, receiver (5) are installed to mount pad (3) one side.

2. The nitrogen-oxygen sensor with high measurement precision as claimed in claim 1, wherein: the box body (1) is internally provided with a nitrogen-oxygen detector (103), two sides inside the box body (1) are provided with threaded seats (105), and pipelines on two sides of the front surface of the box cover (101) are provided with two groups of bolt pieces (102).

3. The nitrogen-oxygen sensor with high measurement precision as claimed in claim 1, wherein: an axle seat (502) is installed inside the storage box (5) through a spring (501), an installation hole plate (503) is installed inside the axle seat (502) through an axle bolt, and a clamping groove (504) is formed in one side of the front face of the storage box (5).

4. The nitrogen-oxygen sensor with high measurement precision as claimed in claim 1, wherein: the bottom end of the detection sensor (202) is provided with a nitrogen and oxygen detection end (203) in a threaded manner, and the top of the nitrogen and oxygen detection end (203) is provided with a threaded sleeve.

5. The nitrogen-oxygen sensor with high measurement precision as claimed in claim 1, wherein: protection casing (302) are installed through threaded end (301) in mount pad (3) bottom, and protection casing (302) are located the nitrogen oxygen detection end (203) outside.

6. The nitrogen-oxygen sensor with high measurement precision as claimed in claim 1, wherein: two groups of locking knobs (602) are installed on the front surface of the clamping piece (601), and screw hole side plates are arranged on two sides of the moisture-proof box (6).