Wireless automobile cooling liquid temperature and brake air pressure acquisition device

Abstract

The utility model discloses a wireless automobile cooling liquid temperature and brake air pressure acquisition device, which comprises an acquisition device with a cuboid shell; a first rubber handle is arranged on the upper surface of the collecting device; the plurality of first heat dissipation holes, the plurality of pressure sensor aviation plug interfaces and the plurality of thermocouple interfaces are respectively arranged on different side surfaces of the acquisition device shell; the first antenna interface, the 24V power supply aviation plug interface and the thermocouple interface are arranged on the same side surface of the acquisition device shell; the first guide rail is fixedly mounted at the bottom in the collecting device; the first LoRa wireless module and the thermocouple temperature acquisition card module are mounted on the first guide rail along the axial direction of the first guide rail; wherein the thermocouple interface is connected with one end of the thermocouple temperature acquisition card module; one end of the first LoRa wireless module is connected with the first antenna interface and the 24V power supply aviation plug interface, and the other end of the first LoRa wireless module is connected with the other end of the thermocouple temperature acquisition card module and the pressure sensor aviation plug interface.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of automobile detection equipment, especially relates to a wireless automobile cooling liquid temperature and brake air pressure acquisition device. BACKGROUND

[0002] In the automobile wireless cooling liquid temperature and brake pressure acquisition process, a plurality of sensors, wireless acquisition modules, data acquisition cards and other equipment are usually needed. In the traditional way, these devices are in a scattered state, and when collecting work is carried out, the staff needs to carry a large number of equipment to the test site, which not only increases the difficulty and workload of carrying, but also in the installation, debugging and transportation process of the equipment, the equipment is easy to lose, damage or connection confusion and other problems, which seriously affects the efficiency and accuracy of the collection work, and brings great inconvenience to the automobile detection work. UTILITY MODEL CONTENTS

[0003] The utility model discloses a kind of wireless automobile cooling liquid temperature and brake air pressure acquisition device to solve the problem of inconvenient equipment carrying when automobile wireless cooling liquid temperature and brake pressure acquisition.

[0004] The technical scheme provided by the utility model is as follows:

[0005] A kind of wireless automobile cooling liquid temperature and brake air pressure acquisition device, comprising:

[0006] The acquisition device is a cuboid;The upper surface of the acquisition device is provided with a first rubber handle;

[0007] A plurality of first heat dissipation holes, a plurality of pressure sensor aviation connectors, a plurality of thermocouple connectors are respectively arranged on different sides of the acquisition device shell;

[0008] First antenna interface, 24V power supply aviation connector, which is arranged on the same side of the acquisition device shell with the thermocouple connector;

[0009] First guide rail, which is fixedly installed at the bottom in the acquisition device;

[0010] First LoRa wireless module, thermocouple temperature acquisition card module, which is installed on the first guide rail along the axial direction of the first guide rail;

[0011] Wherein, one end of the thermocouple connector is connected with the thermocouple temperature acquisition card module;One end of the first LoRa wireless module is connected with the first antenna interface and the 24V power supply aviation connector, and the other end is connected with the other end of the thermocouple temperature acquisition card module and the pressure sensor aviation connector.

[0012] Preferably, the number of pressure sensor aviation connectors and thermocouple connectors is four.

[0013] Preferably, the first antenna interface and the 24V power supply interface are diagonally arranged on the side of the collection device.

[0014] Preferably, the plurality of first heat dissipation holes are arranged on the front and back of the collection device, and each side is provided with 3 rows of first heat dissipation holes.

[0015] Preferably, it further comprises:

[0016] The shell of the wireless receiving device is a cuboid; the upper surface of the wireless receiving device is provided with a second rubber handle;

[0017] A plurality of second heat dissipation holes, a charging interface, a second antenna interface, a USB interface, and a power switch are arranged on different sides of the shell of the wireless receiving device;

[0018] The charging interface and the second antenna interface are arranged on the same side, and the USB interface and the power switch are arranged on the same side;

[0019] A second guide rail is fixedly installed at the bottom of the wireless receiving device;

[0020] A second LoRa wireless module and a lithium battery pack are installed on the second guide rail;

[0021] The lithium battery pack is connected with the power switch, the charging interface, and the second LoRa wireless module, and the second LoRa wireless module is also connected with the second antenna interface and the USB interface.

[0022] Preferably, the wireless receiving device further comprises:

[0023] A charging connector fixing device is arranged on the side of the wireless receiving device; the charging connector fixing device is composed of a first U-shaped fixing device and a second U-shaped fixing device; the U-shaped head of the first U-shaped fixing device is fixedly installed on the side of the wireless receiving device, and the second U-shaped fixing device is fixedly installed on the U-shaped bottom of the first U-shaped fixing device, forming a wire containing hole after assembly, which corresponds to the position of the charging interface.

[0024] Preferably, the wireless receiving device further comprises:

[0025] A 485-to-USB converter is arranged between the second LoRa wireless module and the USB interface;

[0026] A 485-to-USB converter fixing plate is arranged at the bottom of the wireless receiving device close to the charging connector fixing device.

[0027] Preferably, the wireless receiving device further comprises:

[0028] The fixed pipe columns are four in number and symmetrically arranged on both sides of the second guide rail.

[0029] Preferably, the lithium battery pack is in the shape of a cuboid; the lithium battery pack is provided with fixing pieces at four corners; the lithium battery pack is fixedly installed in the wireless receiving device through cooperation of the fixing pieces and the fixed pipe columns.

[0030] Preferably, the plurality of second heat dissipation holes are arranged on the front and back surfaces of the wireless receiving device, and each side surface is provided with 2 rows of the second heat dissipation holes.

[0031] The wireless automobile cooling liquid temperature and brake air pressure collecting device has the advantages of compact structure, high integration and strong portability. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 It is a left side structure schematic view of the collecting device shell.

[0033] Figure 2 It is a right side structure schematic view of the collecting device shell.

[0034] Figure 3 It is an internal structure schematic view of the collecting device shell.

[0035] Figure 4 It is a left side structure schematic view of the wireless receiving device shell.

[0036] Figure 5 It is a right side structure schematic view of the wireless receiving device shell.

[0037] Figure 6 It is an internal structure schematic view of the wireless receiving device shell.

[0038] Figure 7 It is a structure schematic view of the charging connector fixing device.

[0039] Figure 8 It is a physical map of the collecting device.

[0040] Figure 9 It is a physical map of the wireless receiving device. DETAILED DESCRIPTION

[0041] The utility model makes further detailed description in combination with the drawings, so that the person skilled in the art can implement according to the description.

[0042] As Figures 1-3 shown, the utility model provides a wireless automobile cooling liquid temperature and brake air pressure acquisition device, it contains wireless automobile cooling liquid temperature and brake air pressure acquisition device and wireless receiving device. The acquisition device includes: acquisition device casing 110, it is the cuboid that four panels and two panels of front and back left and right are made up, the cooperation fixed connection of screw and screw hole is used between the panel, the contour size of acquisition device casing 110 is 200mm * 250mm * 100mm, the first rubber handle 120 is equipped on the upper surface of acquisition device casing 110, make the acquisition device carry more convenient, a plurality of first heat dissipation hole 130 are arranged on the front and back panel of acquisition device casing 110, in this embodiment, the first heat dissipation hole 130 on each panel is distributed in 3 rows 17 columns, and the equipment inside the acquisition device is convenient for heat dissipation, pressure sensor aviation plug interface 140 is arranged in the middle part of left panel of acquisition device casing 110, and is arranged in a line, four pressure sensor aviation plug interfaces 140 are arranged in this embodiment, and at most four pressure sensors are connected simultaneously, the pressure sensor is connected with pressure sensor aviation plug interface 140 through the aviation plug extension line of both ends are male, thermocouple interface 150 is arranged in the middle part of right panel of acquisition device casing 110, and is arranged in a line, four thermocouple interfaces 150 are arranged in this embodiment, and at most four thermocouples are connected simultaneously, the thermocouple is directly connected with thermocouple interface 150 or is connected with thermocouple extension line, first antenna interface 160, 24V power supply aviation plug interface 170 are arranged on the same side panel of acquisition device casing 110 with thermocouple interface 150, the first antenna interface 160 and the 24V power supply aviation plug interface 170 are diagonally arranged on the right side panel of acquisition device casing 110, and are respectively arranged on the upper and lower sides of thermocouple interface 150, the first antenna interface 160 is connected with the antenna that can be magnetically fixed, realizes the communication with wireless receiving device, the 24V power supply aviation plug interface 170 is connected with the 24V low-voltage electricity of the vehicle to be tested through power line and exports, and the acquisition device, pressure sensor and thermocouple are powered, the width of first guide rail 180 is 35mm, the first guide rail 180 is fixedly connected with acquisition device casing 110 using welding mode or using screw and screw hole cooperation mode, and is fixedly installed on the bottom in the acquisition device, first LoRa wireless module, thermocouple temperature acquisition card module, along the axial fixed installation of first guide rail 180 on first guide rail 180, so that first LoRa wireless module and thermocouple temperature acquisition card module can be fixed in the acquisition device inside.

[0043] As Figures 4-6As shown, the wireless receiving device includes: a wireless receiving device housing 210, which is a rectangular cuboid composed of four front and back panels and two upper and lower panels; the panels are fixedly connected by screws and threaded holes; the contour size of the wireless receiving device housing 210 is 250mm*235mm*75mm; a second rubber handle 220 is arranged on the upper surface of the wireless receiving device housing 210, so that the wireless receiving device is more convenient to carry; a plurality of second heat dissipation holes 230 are arranged on the front and rear panels of the wireless receiving device housing 210, in this embodiment, the second heat dissipation holes 230 on each panel are distributed in 2 rows and 17 columns, facilitating heat dissipation of the internal equipment of the wireless receiving device; a charging interface 240 and a second antenna interface 250 are arranged on the left panel of the wireless receiving device housing 210; the entire wireless receiving device is charged through the charging interface 240 connected with a charger, and the charger indicator light turns from green to red when it is full; the second antenna interface 250 is connected with a magnetically attractable antenna to realize communication with the collecting device; a USB interface 260 and a power switch 270 are arranged on the right panel of the wireless receiving device housing 210; the wireless receiving device is connected with a computer through the USB interface 260 to communicate; the power switch 270 controls the opening and closing of the entire wireless receiving device; a second guide rail 280 with a width of 35mm is fixedly connected with the wireless receiving device housing 210 by welding or screw and threaded hole cooperation, and is fixedly installed at the bottom inside the wireless receiving device; a second LoRa wireless module and a lithium battery pack 290 are fixedly installed on the second guide rail 280 along the axial direction of the second guide rail 280, so that the second LoRa wireless module and the lithium battery pack 290 can be fixed inside the wireless receiving device; the lithium battery pack 290 is a rectangular cuboid; the lithium battery pack 290 is provided with a fixing piece 311 at each corner; a charging connector fixing device 241 is arranged on the left panel inside the wireless receiving device; the charging connector fixing device 241 is composed of a first U-shaped fixing device 241a and a second U-shaped fixing device 241b; the U-shaped head of the first U-shaped fixing device 241a is fixedly installed on the left panel inside the wireless receiving device, and the second U-shaped fixing device 241b is fixedly installed on the U-shaped bottom of the first U-shaped fixing device 241a, forming a wire containing hole after assembly, which is used for connecting the wire of the lithium battery pack 290 with the charging interface 240, and the wire containing hole corresponds to the position of the charging interface 240; the charging connector fixing device 241 is used for fixing the charging connector of the lithium battery pack 290; a 485 to USB converter is arranged between the second LoRa wireless module and the USB interface;485 USB converter fixed plate 291, which is arranged at the bottom of the wireless receiving device close to the charging connector fixing device 241; the 485 USB converter fixed plate 291 is used to fix the 485 USB converter, so as to prevent the 485 USB converter from being deviated, shaken or dropped due to external factors such as vibration and impact during movement, transportation or use of the wireless receiving device, and to ensure stable data transmission; the fixed pipe column 292 is a threaded pipe column, one end of the fixed pipe column 292 is fixedly connected with the bottom of the wireless receiving device, and the other end is provided with threads; the number of the fixed pipe column 292 is four, and the fixed pipe columns 292 are symmetrically arranged on both sides of the second guide rail 280; the lithium battery pack 290 is fixedly installed in the wireless receiving device through the cooperation of the fixed sheet 311 and the fixed pipe column 292 through the nut.

[0044] As shown in Figure 8 The thermocouple interface 150 is connected with one end of the thermocouple temperature acquisition card module; one end of the first LoRa wireless module is connected with the first antenna interface 160 and the 24V power supply D-sub connector 170, and the other end is connected with the other end of the thermocouple temperature acquisition card module and the pressure sensor D-sub connector 140; one end of the thermocouple is arranged in the measured area, and the other end is connected with the thermocouple interface 150; one end of the pressure sensor is connected with the brake air pressure pipeline of the measured vehicle, and the other end is connected with the pressure sensor D-sub connector 140.

[0045] The wires corresponding to the D-sub connector are as follows: blue wire: 24V+ or +Vs or OUT+; gray wire: 24V- or GND or OUT-; brown wire: 485-A or TES+ or 485 / A+; brown wire: 485-B or TES- or 485 / B-; the thermocouple temperature acquisition card module is configured with eight thermocouple input channels, each channel needs to be configured according to the type of connected thermocouple, and each thermocouple is connected with two pins; at the same time, the RS-485 module is connected with the 485-A and 485-B pins of the thermocouple temperature acquisition card module, and the 24V DC power supply is connected with the GND and +Vs pins of the thermocouple temperature acquisition card module; the first LoRa wireless module is provided with 485 / A+, 485 / B-, 0V and 24V+ pins, which are respectively connected with the brown wire, black wire, gray wire and blue wire of the D-sub connector.

[0046] The thermocouple is placed in the measured area, each pressure sensor is fixed near the measured area of the real vehicle by two clamps, one end of the pressure sensor is connected with the brake air pressure pipeline of the measured vehicle through pipeline and stainless steel quick plug tee joint, the other end of the pressure sensor and the thermocouple are connected with the wireless automobile cooling liquid temperature and brake air pressure collecting device, the collected data is transmitted to the first LoRa wireless module, the first LoRa wireless module is transmitted to the wireless receiving device through the magnetically attractable antenna.

[0047] As shown in Figure 9 The wireless receiving device considers the internal center of gravity distribution problem, and arranges all the devices except the lithium battery pack 290 close to the front panel.

[0048] The second LoRa wireless module is provided with 485 / A+, 485 / B-, 0V and 24V+ pins, which are respectively connected with the brown wire, black wire, gray wire and blue wire of the navigation interface; wherein, the lithium battery pack 290 is connected with the power switch 270, the charging interface 240 and the second LoRa wireless module, and the second LoRa wireless module is further connected with the second antenna interface 250 and the USB interface 260.

[0049] The wireless receiving device is arranged at any position within 3km of the wireless automobile cooling liquid temperature and brake air pressure collecting device, receives the data collected by the wireless automobile cooling liquid temperature and brake air pressure collecting device in real time, and transmits the data to the computer in real time through the USB connecting line.

[0050] The wireless automobile cooling liquid temperature and brake air pressure acquisition device provided by the utility model includes a wireless automobile cooling liquid temperature and brake air pressure acquisition device and a wireless receiving device; the acquisition device is placed on a measured vehicle during work, the temperature and pressure of a measured area are collected in real time through connecting a thermocouple and a pressure sensor, and are transmitted to the wireless receiving device through an antenna; the wireless receiving device is connected with a computer, and after receiving data through the antenna, the data is transmitted to the computer in real time. The wireless automobile cooling liquid temperature and brake air pressure acquisition device provided by the utility model highly integrates temperature collection, pressure collection and a wireless data collection module in one installation box, the size is reasonably designed and is provided with a rubber handle, the portability is greatly improved, the problem that a large number of scattered equipment needs to be carried in the traditional collection mode is solved, and the work efficiency is improved; the heat dissipation holes arranged on the front and rear panels effectively solve the equipment heat dissipation problem, the acquisition device can be connected with a 24V power supply of a vehicle, the wireless receiving device can be charged, and stable and continuous operation of the equipment is ensured; the modules are conveniently installed and fixed through guide rails and other components inside, the magnetic type antenna is convenient to operate; the acquisition device can collect data in real time and transmit the data to the wireless receiving device, the wireless receiving device can receive and transmit to the computer in real time within 3km of the acquisition device, the efficiency of data collection and transmission is ensured, and strong support is provided for automobile performance monitoring and analysis.

[0051] Although the embodiments of the utility model have been disclosed as above, it is not limited to the application listed in the specification and the embodiments, it can be fully applied to various fields suitable for the utility model, and other modifications can be easily realized by those skilled in the art, therefore, the utility model is not limited to specific details and the figures shown and described herein without departing from the general concept defined by the claims and equivalent scope.

Claims

1. A wireless automobile coolant temperature and brake air pressure acquisition device, characterized by, include: The data collection device has a rectangular shell; a first rubber handle is provided on the upper surface of the data collection device. Multiple heat dissipation holes, multiple pressure sensor connectors, and multiple thermocouple interfaces are respectively located on different sides of the housing of the data acquisition device. The first antenna interface and the 24V power supply connector are located on the same side of the housing of the data acquisition device as the thermocouple interface. The first guide rail is fixedly installed at the bottom of the acquisition device; The first LoRa wireless module and the thermocouple temperature acquisition card module are mounted on the first guide rail along the axial direction of the first guide rail. The thermocouple interface is connected to one end of the thermocouple temperature acquisition card module; one end of the first LoRa wireless module is connected to the first antenna interface and the 24V power supply connector, and the other end is connected to the other end of the thermocouple temperature acquisition card module and the pressure sensor connector.

2. The wireless automobile coolant temperature and brake air pressure acquisition device according to claim 1, characterized by, The number of pressure sensor connectors and thermocouple connectors are both four.

3. The wireless automobile coolant temperature and brake air pressure acquisition device of claim 1, wherein, The first antenna interface and the 24V power connector are diagonally positioned on the side of the acquisition device.

4. The wireless automobile coolant temperature and brake air pressure acquisition device of claim 1, wherein, The plurality of first heat dissipation holes are arranged on the front and rear sides of the acquisition device, and each side has 3 rows of the first heat dissipation holes.

5. The wireless automobile coolant temperature and brake air pressure acquisition device of claim 1, wherein, Also includes: A wireless receiver has a rectangular housing; a second rubber handle is provided on the upper surface of the wireless receiver. Multiple secondary heat dissipation holes, a charging port, a second antenna port, a USB port, and a power switch are respectively located on different sides of the housing of the wireless receiver. The charging interface and the second antenna interface are located on the same side, and the USB interface and the power switch are located on the same side. The second guide rail is fixedly installed at the bottom of the wireless receiver; The second LoRa wireless module and the lithium battery pack are mounted on the second guide rail; The lithium battery pack is connected to the power switch, the charging interface and the second LoRa wireless module. The second LoRa wireless module is also connected to the second antenna interface and the USB interface.

6. The wireless coolant temperature and brake air pressure acquisition device of claim 5, wherein, The wireless receiving device further includes: A charging connector fixing device is disposed on the side inside the wireless receiver; the charging connector fixing device consists of a first U-shaped fixing device and a second U-shaped fixing device; the U-shaped head of the first U-shaped fixing device is fixedly installed on the side inside the wireless receiver, and the second U-shaped fixing device is fixedly installed on the U-shaped bottom of the first U-shaped fixing device, forming a cable receiving hole after assembly, the cable receiving hole corresponding to the position of the charging interface.

7. The wireless automobile coolant temperature and brake air pressure acquisition device of claim 6, wherein, The wireless receiving device further includes: A 485 to USB converter is disposed between the second LoRa wireless module and the USB interface; A 485 to USB converter fixing plate is disposed at the bottom of the wireless receiver near the charging connector fixing device.

8. The wireless automobile coolant temperature and brake air pressure acquisition device of claim 5, wherein, The wireless receiving device further includes: There are four fixed tubular columns, which are symmetrically arranged on both sides of the second guide rail.

9. The wireless coolant temperature and brake air pressure acquisition device of claim 8, wherein, The shape of the lithium battery pack is cuboid; the lithium battery pack is provided with fixing sheets at four corners; the lithium battery pack is fixedly installed in the wireless receiving device through cooperation of the fixing sheets and the fixing pipe columns.

10. The wireless automobile coolant temperature and brake air pressure acquisition device of claim 5, wherein, The plurality of second heat dissipation holes are arranged on the front and back surfaces of the wireless receiving device, and each side surface is provided with two rows of the second heat dissipation holes.

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