CN214794337U - Portable light-tight smoke meter - Google Patents

Abstract

The utility model relates to a light-tight smoke meter for detect motor vehicle tail gas smoke intensity content. The smoke intensity concentration of the tail gas of the motor vehicle is measured by utilizing a light transmission attenuation rate technology, and the air curtain technology is adopted, so that the optical lens is protected from being polluted by smoke, and negative pressure can be generated, and the aim of enabling the smoke to automatically enter a measuring channel is fulfilled; a large-capacity lithium battery is arranged to replace the original 220V commercial power interface; a set of APP software has been developed simultaneously, contains and detects the flow, gathers light tight smoke meter host computer numerical value through wireless WIFI technique, uses the dynamic graph to show measured data in real time, adopts real-time dynamic test method or free acceleration method to measure motor vehicle flue gas concentration, gathers engine speed data through connecting the OBD tachometer, and the testing result can be printed with the bluetooth printer, perhaps passes to traffic environmental protection department on the internet.

Description

Portable light-tight smoke meter

Technical Field

The utility model belongs to the environmental protection field mainly relates to a portable light-tight smokemeter.

Background

With the continuous development of economy, the automobile industry is increasing, and the pollution caused by automobile exhaust emission is increasing, so that the state has come out corresponding policies for managing the automobile exhaust emission, and the automobile exhaust must meet certain standards. The smoke emission is not only an important index for evaluating the air pollution degree of the diesel engine, but also an important parameter for evaluating whether the combustion process of the diesel engine is complete. The opaque smoke meter is an instrument for measuring the smoke intensity in the exhaust gas of an automobile and is mainly used for measuring the exhaust gas of a diesel engine.

Traditional light tight smoke meter adopts split type structure, comprises measuring unit and display element, and the design is complicated, is unfavorable for carrying, types vehicle information process loaded down with trivial details, needs to insert the commercial power 220 power supply simultaneously, and the 220V inverter is worn on-vehicle to the need when way inspection is examined.

A data connecting line is needed between the two devices, and due to the limitation of the length of the connecting line, when a longer freight diesel vehicle needs to be measured, the display unit needs to be moved and is far away from a cab, so that an operator cannot observe and use the freight diesel vehicle conveniently in the cab. When the automobile safety inspection or the road inspection is carried out, an operator needs to take the vehicle running license to manually input the vehicle information, after the detection is finished, the measurement result needs to be manually input, and then the measurement result is uploaded to the platform, so that the process is complex, and the error is easy to occur.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the problem that current smokemeter exists, provide a convenient to carry, simple to use's portable light tight smokemeter.

The scheme of the utility model is that:

a portable light-tight smoke meter consists of a light-tight smoke meter host, a smoke sampling device, a tablet personal computer, an OBD tachometer with a Bluetooth function, a Bluetooth printer and a direct-current high-capacity lithium battery,

further, the light-tight smoke meter host comprises a shell, a smoke intensity measuring unit is arranged in the shell, a handle is arranged at the top of the shell, supporting and fixing legs are arranged at the bottom of the shell,

furthermore, a direct-current high-capacity lithium battery and a WIFI antenna are arranged outside the shell,

furthermore, the smoke intensity measuring unit comprises a smoke inlet, a measuring light channel, a photoelectric detection device and a circuit board, the periphery of the measuring light channel is wrapped with a channel heating insulation layer, the photoelectric detection device comprises a light emitter and a light receiver which are respectively fixed at two ends of the measuring light channel, the top of the measuring unit is provided with a fan,

furthermore, the smoke sampling device consists of a sampling probe, a sampling handle and a sampling hose, wherein the sampling probe is fixed in the exhaust pipe of the vehicle for sampling smoke, the sampling hose is connected with the sampling probe and the smoke inlet, the sampling handle is connected with the sampling probe,

furthermore, the tablet personal computer is provided with control software APP, and is communicated with the opaque smoke meter host through WIFI signals to realize smoke degree measurement,

furthermore, the OBD tachometer is inserted into an OBD interface of the motor vehicle, acquires the rotating speed data, comprises a Bluetooth module, is wirelessly connected with the OBD tachometer through the Bluetooth module, reads the rotating speed data of the vehicle,

furthermore, the tablet personal computer control software APP has a license plate recognition function, a tablet personal computer camera scans a license plate or an automobile running license to input vehicle information,

further, control software APP has two kinds of measurement mode measurement diesel vehicle smoke intensity numerical value of real-time test and free acceleration method, uses dynamic curve real-time display measured data, and is further, panel computer access 4G network, measured data directly upload the platform through the internet, transmit for the bluetooth printer through bluetooth module and print

Drawings

FIG. 1 is a light-tight smoke meter main unit 1 and a handle

2. Direct-current high-capacity lithium battery 3 and light emitter

4. Support the fixed leg 5 and the smoke inlet

6. Heating heat preservation layer 7 and shell

8. Fan with cooling device

9. Signal processing module 10, WIFI antenna 11, optical receiver

FIG. 2 shows a smoke sampling device 13, a sampling probe 14, a sampling handle 15, and a sampling hose

Detailed Description

A portable light-tight smoke meter comprises a light-tight smoke meter host, a smoke degree sampling device, a tablet personal computer, an OBD (on-board diagnostics) tachometer with a Bluetooth function and a Bluetooth printer.

The light-tight smoke meter host comprises a shell 7, a smoke intensity measuring unit 16 is arranged in the shell, a handle 1 is arranged at the top of the shell, supporting and fixing legs 4 are arranged at the bottom of the shell, furthermore, the smoke intensity measuring unit comprises a smoke inlet 5, a measuring light channel 12, a light emitter 3, a light receiver 11 and a signal processing module 9, a channel heating layer heat-insulating layer is coated on the periphery of the measuring light channel, a fan 8 is arranged at the top of the measuring unit,

furthermore, the smoke sampling device consists of a sampling probe 13, a sampling handle 14 and a sampling hose 15, wherein the sampling probe is fixed in the exhaust pipe of the vehicle for sampling smoke, the sampling hose is connected with the sampling probe and a smoke inlet and guides the smoke into the measuring light channel, the sampling handle is used for fixing the sampling probe on the exhaust pipe,

furthermore, the signal processing module comprises a WIFI communication module to realize the function of communicating with the tablet computer,

further, the light-tight smoke intensity host comprises a direct-current high-capacity lithium battery and a WIFI antenna, the high-capacity lithium battery is used for supplying power to the equipment,

furthermore, the OBD tachometer is inserted into an OBD interface of the motor vehicle, comprises a Bluetooth module, is communicated with the tablet personal computer through the Bluetooth module to realize the transmission of the rotating speed signal,

further, the tablet personal computer comprises a WIFI module, and is communicated with the opaque smoke meter host through a WIFI signal to realize the collection of the smoke intensity signal,

furthermore, the tablet personal computer comprises a Bluetooth device, the Bluetooth device is communicated with the OBD tachometer to extract the rotating speed signal, the rotating speed signal is transmitted to the Bluetooth device through Bluetooth to be printed so as to print the measured data,

furthermore, the tablet personal computer control software APP has a license plate recognition function, and vehicle information is directly input through scanning of a license plate and the automobile running license through a tablet personal computer camera.

The working principle is as follows:

the fan at measuring unit top drives clean air and reachs the air outlet, respectively form an air curtain at measurement passageway both ends, because the high-speed of air flows, produce the negative pressure in the measurement light passageway, because the attraction of negative pressure when measuring fume emission, get into the measurement light passageway by advancing the mouth of cigarette, the light that the light emitter sent passes through the sheltering from of smoke intensity in the measurement light passageway, produce and reach light receiver after the decay, signal processing module is through the signal of telecommunication of handling light receiver, convert the smoke intensity value into, transmit signal to panel computer through the WIFI module.

The software APP of the tablet personal computer reads data from the measuring unit through a WIFI signal, a camera is used for photographing a license plate, vehicle information is recorded in the license plate, the automobile smoke content is measured by a free acceleration method, a measuring result is transmitted to a Bluetooth printer for printing, and the automobile smoke content is transmitted to a traffic environmental protection department through the Internet.

Claims (8)

1. The utility model provides a portable opaque smokemeter which characterized in that:

the smokemeter comprises:

the opaque smoke meter host is used for analyzing the smoke concentration;

the smoke intensity sampling device is connected with the opaque smoke intensity meter host and is used for collecting smoke;

the OBD tachometer is used for acquiring an engine speed signal;

the Bluetooth printer is used for printing the measurement result;

the tablet personal computer is provided with control software APP and is connected with the OBD tachometer through a Bluetooth signal to collect a rotating speed signal; the system is connected with a light-tight smoke meter host through a WIFI signal, and a smoke concentration signal is collected; a smoke content acquisition process; is connected with a Bluetooth printer through a Bluetooth signal and is used for printing a measuring result.

2. The portable, light-tight smoke meter of claim 1, wherein: the light tight smoke meter host computer includes the casing, the handle is equipped with at the casing top, the casing bottom has to be equipped with and supports fixed leg, the casing contains into smoke mouth, measurement light passageway, photoelectric detection device, the peripheral cladding of measurement light passageway establishes passageway zone of heating heat preservation, photoelectric detection device contains light emitter, photoreceiver, is fixed in respectively the both ends of measurement light passageway.

3. The portable light-proof smoke meter as claimed in claim 1, wherein the light-proof smoke meter main unit comprises a direct current high capacity lithium battery.

4. The portable opaque smoke meter according to claim 1, wherein the smoke sampling device comprises a sampling probe and a sampling hose, the sampling probe is fixed in the vehicle exhaust pipe for sampling smoke, and the sampling hose is connected with the sampling probe and the smoke inlet.

5. The portable, light-tight smoke meter of claim 1, wherein: the OBD tachometer inserts motor vehicle OBD interface, contains bluetooth module, through bluetooth module and panel computer communication, realizes the transmission of rotational speed signal.

6. The portable, light-tight smoke meter of claim 1, wherein: the panel computer contains the WIFI module, through the communication of WIFI signal and light tight smoke meter host computer, realizes the collection of smoke intensity signal.

7. The portable, light-tight smoke meter of claim 1, wherein: the panel computer contains the bluetooth device, realizes the drawing of rotational speed signal through bluetooth device and OBD tachometer communication, transmits through the bluetooth and prints and carry out measured data and print for the bluetooth.

8. The portable, light-tight smoke meter of claim 1, wherein: the control software APP has a license plate recognition function, and vehicle information is recorded by scanning a license plate or a vehicle running license through a tablet personal computer camera.

Images