CN211374674U

CN211374674U - Heavy-duty vehicle oxynitride rapid tester

Info

Publication number: CN211374674U
Application number: CN201921870629.6U
Authority: CN
Inventors: 李耀强
Original assignee: Xiamen Tong Chuang Testing Technology Co ltd
Current assignee: Xiamen Tong Chuang Testing Technology Co ltd
Priority date: 2019-11-01
Filing date: 2019-11-01
Publication date: 2020-08-28
Anticipated expiration: 2029-11-01

Abstract

The utility model discloses a heavy-duty car oxynitrides rapid tester, frame, quick-witted case handle, instrument upper cover plate, air pump, can change wifi module, sensor connecting piece, coulomb meter connecting piece, battery module, mounting panel, instrument bottom plate, air inlet, exhaust interface and quick sampling probe before the plastic, its the tester shell is constituteed jointly to frame, instrument back plate, instrument upper cover plate, mounting panel and instrument bottom plate before the plastic, one side fixed surface of frame is connected with the filtration drinking cup before the plastic, the below of data pilot lamp is provided with the air pump switch, the below of air pump switch is provided with the mouth that charges, one side of air pump switch is provided with the master switch. Be provided with battery module among this heavy-duty car oxynitride rapid tester to with detection module integration, portable design, convenient removal, light in weight, small have solved field test power supply problem.

Description

Heavy-duty vehicle oxynitride rapid tester

Technical Field

The utility model relates to an oxynitrides tests technical field, specifically is a heavy-duty car oxynitride rapid tester.

Background

In people's life, the car is more and more, and the instrument that detects is carried out to the car is more and more, and oxynitride rapid test appearance is one of them, and NOx is very important parameter in the engine combustion process.

However, the nitrogen oxide tester of heavy vehicles on the market is basically an experimental-grade instrument, has heavy weight and large volume, is not easy to move, is difficult to realize quick detection, generates little NOx under the high-temperature combustion of the heavy vehicles under the working conditions of idle speed and low load of the vehicles, and is difficult to measure the real level of the NOx of the heavy vehicles, so the improvement of the nitrogen oxide tester is urgently needed to perfect the equipment.

Disclosure of Invention

An object of the utility model is to provide a heavy-duty car oxynitride rapid tester to solve the problem of the heavy-duty car oxynitride tester on the present market that proposes in the above-mentioned background art when using.

In order to achieve the above object, the utility model provides a following technical scheme: a heavy-duty vehicle oxynitride rapid tester comprises a plastic front frame, a chassis handle, an instrument upper cover plate, an air pump, a can-wifi module, a sensor connecting piece, a coulometer connecting piece, a battery module, a mounting plate, an instrument bottom plate, an air inlet interface, an exhaust interface and a rapid sampling probe, wherein the plastic front frame, the instrument rear plate surface, the instrument upper cover plate, the mounting plate and the instrument bottom plate jointly form a tester shell,

the surface of one side of the plastic front frame is fixedly connected with a filtering water cup, an antenna is arranged on one side of the filtering water cup, a coulometer is arranged on the inner wall of the other side of the plastic front frame, a power indicator lamp, a network indicator lamp and a data indicator lamp are arranged on one side of the coulometer, an air pump switch is arranged below the data indicator lamp, a charging port is arranged below the air pump switch, and a main switch is arranged on one side of the air pump switch.

Preferably, the case handle is arranged on the upper plate surface of the upper cover plate of the instrument, the sensor and the sample gas collecting device are arranged inside the shell of the tester, the sensor and the sample gas collecting device are connected with the filtering water cup, and the sensor and the sample gas collecting device are connected with the main board through the sensor connecting piece.

Preferably, the sensor and the sensing element in the sensor in the sample gas collecting device are composed of ceramic, electrolytic zirconia and platinum electrodes.

Preferably, one side of sensor and appearance gas collection device is connected with the air pump, can change the wifi module is installed to one side of air pump, can change one side of wifi module and be provided with battery module.

Preferably, a coulometer is connected to one side of the battery module through a coulometer connector, and a DC voltage reduction module is connected to the other side of the battery module.

Preferably, the rapid sampling probe is connected with an air guide pipe, the air guide pipe penetrates through the clamping device and is connected with an air delivery pipe, the air delivery pipe is connected with an air inlet interface, and an exhaust interface is arranged below the air inlet interface.

Compared with the prior art, the beneficial effects of the utility model are that: the fast nitrogen oxide tester for the heavy-duty vehicle is mainly designed for NOX: the battery module is arranged in the device, the detection module is integrated, the portable design is convenient to move, the weight is light, the size is small, the field test power supply problem is solved, the quick sampling probe is arranged in the device, tail gas can be directly extracted from the exhaust pipe in the running process of the automobile through the arrangement, the road actual working condition test is realized, and the true level of the heavy vehicle NOX of the automobile under the normal running condition can be tested.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a left side schematic view of the present invention;

FIG. 3 is a right side schematic view of the present invention;

fig. 4 is the schematic structural diagram of the rapid sampling probe of the present invention.

In the figure: 1. frame before the plastic, 2, instrument back plate face, 3, filter drinking cup, 4, antenna, 5, machine case handle, 6, instrument upper cover plate, 7, sensor and appearance gas collection device, 8, the air pump, 9, can change wifi module, 10, the sensor connecting piece, 11, coulometer connecting piece, 12, battery module, 13, DC step-down module, 14, coulometer, 15, power indicator, 16, network indicator, 17, data indicator, 18, air pump switch, 19, master switch, 20, the mouth that charges, 21, the mounting panel, 22, the instrument bottom plate, 23, the interface that admits air, 24, the exhaust interface, 25, quick sampling probe, 26, the air duct, 27, clamping device, 28, the gas-supply pipe.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a heavy-duty vehicle oxynitride rapid tester comprises a plastic front frame 1, an instrument rear panel 2, a filtering water cup 3, an antenna 4, a case handle 5, an instrument upper cover plate 6, a sensor and sample gas collecting device 7, an air pump 8, a can-to-wifi module 9, a sensor connecting piece 10, a coulometer connecting piece 11, a battery module 12, a DC voltage reduction module 13, a coulometer 14, a power indicator 15, a network indicator 16, a data indicator 17, an air pump switch 18, a master switch 19, a charging port 20, a mounting plate 21, an instrument bottom plate 22, an air inlet port 23, an air outlet port 24, a rapid sampling probe 25, an air guide tube 26, a clamping device 27 and an air guide tube 28, wherein the plastic front frame 1, the instrument rear panel 2, the instrument upper cover plate 6, the mounting plate 21 and the instrument bottom plate 22 jointly form a tester shell,

the surface of one side of the plastic front frame 1 is fixedly connected with a filtering water cup 3, one side of the filtering water cup 3 is provided with an antenna 4, the inner wall of the other side of the plastic front frame 1 is provided with a coulometer 14, one side of the coulometer 14 is provided with a power indicator 15, a network indicator 16 and a data indicator 17, an air pump switch 18 is arranged below the data indicator 17, a charging port 20 is arranged below the air pump switch 18, and a main switch 19 is arranged on one side of the air pump switch 18;

further, the case handle 5 is arranged on the upper plate surface of the upper cover plate 6 of the tester, the sensor and sample gas collecting device 7 is arranged inside the shell of the tester, the sensor and sample gas collecting device 7 is connected with the filtering water cup 3, and the sensor and sample gas collecting device 7 is connected with the main board through the sensor connecting piece 10.

Further, the sensor and the sensor internal sensing element in the sample gas collecting device 7 are composed of ceramic, electrolytic zirconia and platinum electrodes.

Further, one side of sensor and sample gas collection device 7 is connected with air pump 8, can change wifi module 9 is installed to one side of air pump 8, can change wifi module 9's one side and be provided with battery module 12.

Furthermore, a coulometer 14 is connected to one side of the battery module 12 through a coulometer connector 11, and a DC voltage reduction module 13 is connected to the other side of the battery module 12, so as to supply power for field testing.

Further, the rapid sampling probe 25 is connected with an air duct 26, the air duct 26 penetrates through a clamping device 27 to be connected with an air duct 28, the air duct 28 is connected with the air inlet connector 23, an exhaust connector 24 is arranged below the air inlet connector 23, tail gas can be directly extracted from the exhaust pipe in the running process of the automobile, the actual working condition test of a road is realized, and the true level of NOx of the heavy-duty automobile under the normal running condition of the automobile can be tested.

The working principle is as follows: when in use, the device is firstly placed in an automobile, then the rapid sampling probe 25 is placed in an exhaust pipe of the automobile, then the rapid sampling probe 25 is fixed on the exhaust pipe of the automobile by the clamping device 27, then the main switch 19 and the air pump switch 18 are opened, tail gas enters the rapid sampling probe 25 under the action of the air pump 8, then enters the filtering water cup 3 from the air inlet interface 23 through the air duct 26 and the air pipe 28 for filtering, then is sampled through the sampling pump in the sensor and the sample gas collecting device 7, then a sample enters the NOX sensor in the sensor and the sample gas collecting device 7, NOX and oxygen concentration are converted into weak electric signals in the NOX sensor according to the chemical principle, data are wirelessly transmitted to a tablet personal computer through the CAN communication and the CAN wifi module 9, and an operator CAN check related test data on the tablet computer, the actual NOX concentration and the test result are printed by the bluetooth micro printer, and then the sample gas is exhausted from the exhaust port 24, the coulometer 14 can monitor the electric quantity in the battery module 12, and the DC voltage reduction module 13 can enable the battery module 12 to provide stable voltage for each component.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a heavy-duty car oxynitrides rapid tester, frame (1), quick-witted case handle (5), instrument upper cover plate (6), air pump (8), can change wifi module (9), sensor connecting piece (10), coulometer connecting piece (11), battery module (12), mounting panel (21), instrument bottom plate (22), admit air interface (23), exhaust interface (24) and quick sampling probe (25) before the plastic, its characterized in that: the plastic front frame (1), the instrument rear panel surface (2), the instrument upper cover plate (6), the mounting plate (21) and the instrument bottom plate (22) jointly form a tester shell, wherein,

the surface of one side of the plastic front frame (1) is fixedly connected with a filtering water cup (3), an antenna (4) is arranged on one side of the filtering water cup (3), a coulometer (14) is arranged on the inner wall of the other side of the plastic front frame (1), a power indicator lamp (15), a network indicator lamp (16) and a data indicator lamp (17) are arranged on one side of the coulometer (14), an air pump switch (18) is arranged below the data indicator lamp (17), a charging port (20) is arranged below the air pump switch (18), and a main switch (19) is arranged on one side of the air pump switch (18).

2. The heavy vehicle oxynitride rapid tester of claim 1, characterized in that: case handle (5) set up the last face at instrument upper cover plate (6), and tester shell is inside to be provided with sensor and sample gas collection device (7), sensor and sample gas collection device (7) are connected with filtration drinking cup (3), sensor and sample gas collection device (7) are connected with the mainboard through sensor connecting piece (10).

3. The heavy vehicle oxynitride rapid tester of claim 2, characterized in that: the sensor and the sensing element inside the sensor in the sample gas collecting device (7) are composed of ceramic, electrolytic zirconia and platinum electrodes.

4. The heavy vehicle oxynitride rapid tester of claim 2, characterized in that: one side of sensor and sample gas collection device (7) is connected with air pump (8), can change wifi module (9) is installed to one side of air pump (8), can change one side of wifi module (9) and be provided with battery module (12).

5. The heavy vehicle oxynitride rapid tester of claim 1, characterized in that: one side of the battery module (12) is connected with a coulometer (14) through a coulometer connecting piece (11), and the other side of the battery module (12) is connected with a DC voltage reduction module (13).

6. The heavy vehicle oxynitride rapid tester of claim 1, characterized in that: be connected with air duct (26) on quick sampling probe (25), air duct (26) pass clamping device (27) and are connected with air-supply pipe (28), air-supply pipe (28) are connected with air inlet interface (23), air inlet interface (23)'s below is provided with exhaust interface (24).