CN209198016U - A kind of portable car-mounted air-tightness detection device - Google Patents
A kind of portable car-mounted air-tightness detection device Download PDFInfo
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- CN209198016U CN209198016U CN201822109350.8U CN201822109350U CN209198016U CN 209198016 U CN209198016 U CN 209198016U CN 201822109350 U CN201822109350 U CN 201822109350U CN 209198016 U CN209198016 U CN 209198016U
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Abstract
The utility model provides a kind of portable car-mounted air-tightness detection device, comprising: at least two pressure sensors, integrated measuring and control data acquisition unit, characteristic value output module；Wherein, an at least pressure sensor is respectively set outside train and in train, the pressure sensor is used to monitor outside the train or barometric information in train；The integrated measuring and control data acquisition unit is electrically connected with the pressure sensor, the barometric information monitored for acquiring the pressure sensor, and is output to the characteristic value output module；The characteristic value output module is electrically connected with the integrated measuring and control data acquisition unit, for according to the barometric information output pressure characteristic value.Using the utility model, the sealing performance of rail train carriage can be accurately measured.
Description
Technical field
The utility model relates to train air-tightness fields, especially track train air-tightness technology, and in particular to Yi Zhongbian
Take the vehicle-mounted air-tightness detection device of formula.
Background technique
With the raising of train speed, in bullet train operational process, locating dynamic environment changes very fast, track
In the process of moving, the air pressure in compartment generally will appear train process of passing through tunnel, the bridge of variation, especially high-speed cruising to train
When, can occur apparent air pressure change suddenly in compartment.If the air-tightness of railway carriage is bad, gas can be caused to the ear-drum of people
Pressure impact, brings certain sense of discomfort.Therefore, whether the air-tightness of rail train carriage in the process of moving is good, is related to
The service quality that communications and transportation unit provides.Current track compartment leakproofness inspection Check is generally using the side inflated to train
Method, these detection methods can only qualitatively judge the sealing situation in compartment, it is difficult to accurately reflect the sealing performance of rail train carriage.
Therefore, lack a kind of monitoring device that can be sealed with Quantitative Monitoring compartment at present.
Utility model content
The utility model provides a kind of portable car-mounted air-tightness detection device, which can accurately measure track column
The sealing performance in vehicle compartment.
To achieve the goals above, the utility model embodiment provides a kind of portable car-mounted air-tightness detection device,
A kind of portable car-mounted air-tightness detection device includes:
At least two pressure sensors, integrated measuring and control data acquisition unit, characteristic value output module；Wherein,
An at least pressure sensor is respectively set outside train and in train, the pressure sensor is for monitoring institute
State that train is outer or train in barometric information；
The integrated measuring and control data acquisition unit is electrically connected with the pressure sensor, for acquiring the pressure sensor
The barometric information monitored, and it is output to the characteristic value output module；
The characteristic value output module is electrically connected with the integrated measuring and control data acquisition unit, for according to the air pressure number
According to output pressure characteristic value.
In one embodiment, portable car-mounted air-tightness detection device further include: wireless module；The wireless module with it is described
Characteristic value output module and user terminal are wirelessly connected, and for the gas pressure characteristic value to be transmitted to the user terminal, are received
The control instruction is simultaneously transferred to the integrated measuring and control data acquisition unit by the control instruction of the user terminal.
In one embodiment, wireless module is Bluetooth communication modules, radio-frequency communication module, Wi-Fi transmission module, FM is wireless
One of transmission module, wireless infrared transmitting module and ZigBee protocol transmission module or multiple combinations.
In one embodiment, portable car-mounted air-tightness detection device further include: human-computer interaction module, it is defeated with the characteristic value
Module is electrically connected out, for showing gas pressure characteristic value and the control integrated measuring and control data acquisition unit working condition.
In one embodiment, human-computer interaction module includes:
Display screen, for showing the working condition of the gas pressure characteristic value and the integrated measuring and control data acquisition unit；
Microcontroller submodule: the work of the integrated measuring and control data acquisition unit is controlled for the control instruction according to user
State.
In one embodiment, characteristic value output module is provided with USB data interface, special for saving the air pressure for connecting
The movable storage device of value indicative.
In one embodiment, integrated measuring and control data acquisition unit is provided with USB data interface, described for saving for connecting
The movable storage device of barometric information.
In one embodiment, portable car-mounted air-tightness detection device further include: printer, the printer and the feature
It is worth output module electrical connection.
In one embodiment, portable car-mounted air-tightness detection device further include: power supply,
The power supply and the pressure sensor, the integrated measuring and control data acquisition unit and the characteristic value output module
Electrical connection.
Using the utility model, the sealing performance of rail train carriage can be accurately measured.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
The structural schematic diagram of the portable car-mounted air-tightness detection device of Fig. 1 the utility model embodiment.
Before air pressure acquisition tester in the portable car-mounted air-tightness detection device of Fig. 2 the utility model embodiment
Plate schematic diagram.
Behind air pressure acquisition tester in the portable car-mounted air-tightness detection device of Fig. 3 the utility model embodiment
Plate schematic diagram.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Since the portable car-mounted air-tightness detection device of the application needs to work in railcar train, it is desirable that the device can
With the sealing performance of quantitative detection compartment.Based on this, the utility model embodiment provides portable car-mounted air-leakage test
Device.
Fig. 1 is the structural schematic diagram of the portable car-mounted air-tightness detection device of the utility model embodiment, such as Fig. 1 institute
Show that the portable car-mounted air-tightness detection device includes: that two pressure sensors, integrated measuring and control data acquisition unit, characteristic value are defeated
Module out.
An at least pressure sensor is respectively set outside train and in train, the pressure sensor is for monitoring institute
State that train is outer or train in barometric information；
Integrated measuring and control data acquisition unit is electrically connected with the pressure sensor, is supervised for acquiring the pressure sensor
The barometric information measured, and it is output to the characteristic value output module；
Characteristic value output module is electrically connected with the integrated measuring and control data acquisition unit, for defeated according to the barometric information
Air pressure characteristic value out.
In one embodiment, pressure sensor is the pressure sensor of model LL-250.The pressure sensor is a kind of ruler
Very little small, hermetically sealed, with high accuracy pressure sensor.A pressure sensor is respectively set outside compartment and in compartment,
The two pressure sensors are used to monitor outside the train or barometric information in train；
In one embodiment, integrating measuring and control data acquisition unit can be for having a size of 150mm*70mm*200mm, front and back panel
Using plastic material, left and right and top and bottom use the metal decking for the baking finish process that dusts, and the air pressure acquisition for being provided with heat release hole is surveyed
Try instrument.
Preferably, as shown in Fig. 2, air pressure acquisition tester front panel is provided with human-computer interaction module and sensor connector
1, the LCD display of human-machine interface module is used to show the working condition of integrated measuring and control data acquisition unit, human-machine interface mouth mold
The microcontroller submodule of block can integrate measuring and control data acquisition unit by the display content and setting of key change LCD display
Working condition；As shown in figure 3, the rear panel of air pressure acquisition tester is equipped with the USB interface of connection U disk, it to be used for real-time storage
The pressure sensor data of acquisition, USB flash disk have corresponding condition prompting on the LCD of front panel in write-in.There are also power supplys for rear panel
Interface 2 and power change-over switch.
Characteristic value output module is electrically connected with integrated measuring and control data acquisition unit, for exporting gas according to the barometric information
Press characteristic value.
It is understood that characteristic value output module can wrap containing characteristic value computing unit, which can be at one
Device is managed, which generates the gas pressure characteristic value of the train using well known calculation method, and calculation formula is as follows:
Characteristic value=Max (sensor pressure values)-min (sensor pressure values)
Wherein, Max is the maximum value in several data, and min is the minimum value in above-mentioned several data.
In one embodiment, as shown in Figure 1, the portable car-mounted air-tightness detection device further include: wireless module；The nothing
Wire module and characteristic value output module and the mobile phone of user are wirelessly connected by Bluetooth transfer techniques, for passing gas pressure characteristic value
The mobile phone for transporting to user receives the control instruction of the mobile phone of user and control instruction is transferred to integrated measuring and control data acquisition list
Member.
The portable car-mounted air-tightness detection device further include: human-computer interaction module is electrically connected with characteristic value output module,
For showing gas pressure characteristic value and controlling integrated measuring and control data acquisition unit working condition, as shown in Figure 1.
In one embodiment, as shown in Figure 1, human-computer interaction module includes:
LCD is shown, for showing the working condition of gas pressure characteristic value and integrated measuring and control data acquisition unit；
Microcontroller submodule: the work of the integrated measuring and control data acquisition unit is controlled for the control instruction according to user
State.
In one embodiment, as shown in Figure 1, characteristic value output module is provided with USB data interface, for connecting for saving
The movable storage device of gas pressure characteristic value.
In one embodiment, as shown in Figure 1, integrated measuring and control data acquisition unit is provided with USB data interface, used for connecting
In the movable storage device for saving the barometric information.
In one embodiment, as shown in Figure 1, the portable car-mounted air-tightness detection device further include: printer, printer with
The characteristic value output module electrical connection.
Preferably, which is portable printer, and using thermal printing technique, it is 80mm's that width, which can be used,
Printing paper.
In one embodiment, as shown in Figure 1, the portable car-mounted air-tightness detection device further include: power supply, power supply and pressure
Sensor, integrated measuring and control data acquisition unit and the electrical connection of characteristic value output module.
It is understood that power supply may include external power supply and external power supply converter, external power supply converter will
The alternating current of 220V is converted to stable low noise 12V DC, to supply integrated measuring and control data acquisition unit, avoids voltage fluctuation pair
The interference of sensor data acquisition bring.Power adapter is designed using high-precision linear regulated power supply design method, output electricity
12V, maximum output current 1A are pressed, out-put supply ripple is less than 100mV.
Using the utility model, the sealing performance of rail train carriage can be accurately measured.
Specific embodiment is applied in the utility model to be expounded the principles of the present invention and embodiment, with
The explanation of upper embodiment is merely used to help understand the method and its core concept of the utility model；Meanwhile for this field
Those skilled in the art, based on the idea of the present invention, there will be changes in the specific implementation manner and application range, comprehensive
Upper described, the content of the present specification should not be construed as a limitation of the present invention.
Claims (9)
1. a kind of portable car-mounted air-tightness detection device, which is characterized in that the device include: at least two pressure sensors,
Integrated measuring and control data acquisition unit, characteristic value output module；Wherein,
An at least pressure sensor is respectively set outside train and in train, the pressure sensor is for monitoring the column
Vehicle is outer or train in barometric information；
The integrated measuring and control data acquisition unit is electrically connected with the pressure sensor, is supervised for acquiring the pressure sensor
The barometric information measured, and it is output to the characteristic value output module；
The characteristic value output module is electrically connected with the integrated measuring and control data acquisition unit, for defeated according to the barometric information
Air pressure characteristic value out.
2. portable car-mounted air-tightness detection device according to claim 1, which is characterized in that further include: wireless module；
The wireless module and the characteristic value output module and user terminal are wirelessly connected, for the gas pressure characteristic value to be transmitted to
The user terminal receives the control instruction of the user terminal and the control instruction is transferred to the integrated measuring and control data
Acquisition unit.
3. portable car-mounted air-tightness detection device according to claim 2, which is characterized in that the wireless module is indigo plant
Tooth transmission module, radio-frequency communication module, Wi-Fi transmission module, FM wireless transport module, wireless infrared transmitting module and purple honeybee association
Discuss one of transmission module or multiple combinations.
4. portable car-mounted air-tightness detection device according to claim 1, which is characterized in that further include: human-computer interaction
Module is electrically connected with the characteristic value output module, for showing gas pressure characteristic value and the control integrated measuring and control data acquisition
Cell operation state.
5. portable car-mounted air-tightness detection device according to claim 4, which is characterized in that the human-computer interaction module
Include:
Display screen, for showing the working condition of the gas pressure characteristic value and the integrated measuring and control data acquisition unit；
Microcontroller submodule: the work shape of the integrated measuring and control data acquisition unit is controlled for the control instruction according to user
State.
6. portable car-mounted air-tightness detection device according to claim 1, which is characterized in that the characteristic value exports mould
Block is provided with USB data interface, for connecting the movable storage device for saving the gas pressure characteristic value.
7. portable car-mounted air-tightness detection device according to claim 1, which is characterized in that integrated measuring and control data acquisition
Unit is provided with USB data interface, for connecting the movable storage device for saving the barometric information.
8. portable car-mounted air-tightness detection device according to claim 1, which is characterized in that it further include printer, institute
Printer is stated to be electrically connected with the characteristic value output module.
9. portable car-mounted air-tightness detection device according to claim 1, which is characterized in that it further include power supply, it is described
Power supply is electrically connected with the pressure sensor, the integrated measuring and control data acquisition unit and the characteristic value output module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822109350.8U CN209198016U (en) | 2018-12-14 | 2018-12-14 | A kind of portable car-mounted air-tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822109350.8U CN209198016U (en) | 2018-12-14 | 2018-12-14 | A kind of portable car-mounted air-tightness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209198016U true CN209198016U (en) | 2019-08-02 |
Family
ID=67429269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822109350.8U Active CN209198016U (en) | 2018-12-14 | 2018-12-14 | A kind of portable car-mounted air-tightness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209198016U (en) |
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2018
- 2018-12-14 CN CN201822109350.8U patent/CN209198016U/en active Active
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