CN209920959U - Automatic inflation and deflation device for electric wheel tire - Google Patents
Automatic inflation and deflation device for electric wheel tire Download PDFInfo
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- CN209920959U CN209920959U CN201920804790.7U CN201920804790U CN209920959U CN 209920959 U CN209920959 U CN 209920959U CN 201920804790 U CN201920804790 U CN 201920804790U CN 209920959 U CN209920959 U CN 209920959U
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Abstract
The utility model discloses an automatic inflation and deflation device of electronic round of tire, include: a gas source; and a control valve connected to the gas source; a wheel-side device assembly connected between the control valve and an electric wheel tire; the wheel edge device assembly comprises: the hub motor shell air passage is arranged inside the hub motor shell, and one end of the hub motor shell air passage is communicated with the control valve; and the rim air passage is arranged inside the rim, one end of the rim air passage is connected with the other end of the hub motor shell air passage, and the other end of the rim air passage is connected with the electric wheel tire.
Description
Technical Field
The utility model relates to an automobile driving technical field, more specifically, the utility model relates to an automatic inflation and deflation device of electronic round of tire.
Background
With the development of the automobile industry, vehicles are gradually applied to more fields, people have higher and higher requirements on the vehicles, the automatic tire inflation and deflation device is initially adopted on military vehicles, the central tire inflation and deflation device is developed for improving the passing performance of military vehicles in the second world war, the device is also gradually applied to civil passenger vehicles and off-road vehicles as the technology is gradually matured, the tire pressure is adjusted to a proper range according to different road conditions in a dynamic angle, the ground adhesion conditions can be utilized to the maximum degree to improve the dynamic performance and the passing performance of the vehicles, and the tire pressure directly influences the oil consumption and the tire wear conditions, so that the control of the tire pressure in the proper range has important significance for improving the passing performance, the fuel economy and the driving safety of the vehicles.
The hub motor driven vehicle is a vehicle driven by an electric wheel, wherein structures such as a motor, a speed reducing device, a braking device and the like are intensively arranged in a wheel hub. The arrangement structure is more compact, the energy conversion rate is higher, the endurance mileage of the electric vehicle is increased, the technical research on electric wheels is more and more concerned in recent years, the high integration of the electric wheel device brings about not little difficulty for the design and integration of automatic tire inflation and deflation, currently, in the field of traditional vehicles, some high-grade vehicle models are generally provided with tire pressure monitoring devices to remind drivers of inflation and deflation operations when the tire pressure is in an unsafe state, the automatic inflation and deflation functions cannot be realized, other parts are additionally arranged on some devices to realize the automatic inflation and deflation functions of the devices, but the devices have the defects that the structure is complex, the integration level is low, and the devices can only be applied to the traditional vehicles with abundant space, but a set of complete automatic tire inflation and deflation device does not exist in the field of electric wheel drive vehicles.
SUMMERY OF THE UTILITY MODEL
The utility model aims at designing and developing an automatic inflation and deflation device of electronic round of tire, be applied to the automatic inflation and deflation device of tire of the high integrated round of edge assembly part of electronic round of driving vehicle, the air flue of its round of edge assembly is whole integrated to the device inside and carry out rational arrangement, the utility model discloses concentrate the setting on the chassis and the tire of electronic round of tire, can highly save space, the car of equipping the device has improved the passing through performance, the economic nature and the security of traveling of car widely.
The utility model provides a technical scheme does:
an automatic inflation and deflation device for an electric wheel tire, comprising:
a gas source; and
a control valve connected to the gas source;
a wheel-side device assembly connected between the control valve and an electric wheel tire;
the wheel edge device assembly comprises:
a hub motor housing disposed outside the hub motor;
the hub motor shell air passage is arranged inside the hub motor shell, and one end of the hub motor shell air passage is communicated with the control valve;
and the rim air passage is arranged inside the rim, one end of the rim air passage is connected with the other end of the hub motor shell air passage, and the other end of the rim air passage is connected with the electric wheel tire.
Preferably, the gas source comprises:
an air compressor; and
an air reservoir connected to the air compressor.
Preferably, the control valve includes:
a pressure increasing control valve connected with the air source;
the charging and discharging control valve is connected with the pressurization control valve and is provided with an air inlet station and an air outlet station;
the two ends of the air passage distribution device are respectively provided with an air inlet and a plurality of air outlets, and the air inlet is connected with the inflation and deflation control valve;
the outlet control valves are respectively and fixedly installed at the air outlets of the air passage distribution device correspondingly;
the air source, the pressure increasing control valve, the inflation and deflation control valve, the air passage distribution device, the outlet control valves and the wheel edge device assembly are all arranged on a chassis device driven by an electric wheel.
Preferably, the method further comprises the following steps:
a control unit which is connected to the pressure increasing control valve, the charge/discharge control valve, and the plurality of outlet control valves at the same time, and which is capable of controlling the pressure increasing control valve, the charge/discharge control valve, and the plurality of outlet control valves, respectively;
a tire pressure monitoring device disposed inside a tire, and the tire pressure monitoring device is connected with the control unit.
Preferably, the method further comprises the following steps:
a first high pressure gas passage connected between the gas source and the pressure increasing control valve,
a second high-pressure air passage connected between the pressure-increasing control valve and the charge and discharge control valve;
the third high-pressure air passage is connected with the charging and discharging control valve and one end of an air inlet of the air passage distribution device;
and the connecting pipelines are respectively connected between the outlet control valves and the other end of the air passage of the shell of the hub motor.
Preferably, the pressure-increasing control valve is a two-position two-way solenoid valve, the charge and discharge control valve is a three-position four-way solenoid valve, and the outlet control valve is a two-position two-way solenoid valve.
Beneficial effect:
the utility model provides an automatic gassing device that fills of electronic round of tire, through install additional improvement electronic round of driving vehicle that can be very big on electronic round of driving vehicle complicated, the ability of going in abominable area, shorten operating duration, improve operating efficiency, fuel saving, the life of extension vehicle, the tire pressure of real-time supervision automobile tire when vehicle operation and parking, inflate the automobile tire, the gassing, the pressure measurement, the pressurize, be applicable to the cross country vehicle that adopts electronic wheel drive, heavy duty car, mining car, the oil field is with the car, engineering machine car etc., can show dynamic and the security that improves the vehicle, better application prospect has.
Drawings
Fig. 1 is a schematic structural diagram of the whole of the present invention.
Fig. 2 is a schematic structural view of the wheel rim assembly of the present invention.
Fig. 3 is a schematic diagram of an external side structure of the device of the present invention.
Fig. 4 is a schematic diagram of the structure of the other side of the device of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
The utility model provides an automatic inflation and deflation device of electronic round of tire, including tire pressure monitoring devices 190, air supply unit, control valve, the control unit 170, many connecting tube 165 and wheel limit device assembly 150, wherein, tire pressure monitoring devices 190 sets up inside four or a plurality of tires of car of electric wheel drive, and air supply unit, control valve, the control unit 170, many connecting tube 165 and wheel limit device assembly 150 all set up on the chassis device of using electric wheel drive.
As shown in fig. 1, in order to provide a general structural schematic diagram of the present invention, the control valve includes: the pressure increasing control valve 110, the charge and discharge control valve 120 and a plurality of outlet control valves 141, 142, 143, 144, wherein, the pressure increasing control valve 110 is a two-position two-way solenoid valve, the charge and discharge control valve 120 is a three-position four-way solenoid valve, the outlet control valve is a two-position two-way solenoid valve, the outlet control valve corresponds to the tire of the automobile driven by the electric motor one by one, the outlet control valve 141 corresponds to the right front wheel, the outlet control valve 142 corresponds to the right rear wheel, the outlet control valve 143 corresponds to the right rear wheel, the outlet control valve 144 corresponds to the right front wheel, the number of the outlet control valves is the same as the number of the tires, the air supply device is arranged on the upper part of the chassis: the air compressor 101 compresses air in the environment into high-pressure gas, the high-pressure gas is conveyed into the air storage tank 102 through the high-pressure pipeline, the pressure inside the air storage tank 102 is kept constant through a pressure gauge, and the filter 103 is connected with the air storage tank 102 through the high-pressure pipeline so as to filter the gas entering the device and improve the service life and the working stability of a control valve and a pipeline; one end of the pressure increasing control valve 110 is connected with the filter 103 of the air source device through a first high-pressure air passage 161, the other end of the pressure increasing control valve 110 is connected with one end of the air charging and discharging control valve 120 through a second high-pressure air passage 162, the air charging and discharging control valve 120 is also connected with the noise reduction valve 180 through a connecting pipeline 165, when the device of the utility model is used for discharging air for tires, no noise is generated, the air charging and discharging control valve 120 is provided with two stations, the first station 121 is an air inlet station, the second station 122 is an air outlet station, the other end of the air charging and discharging control valve 120 is connected with a third high-pressure air passage 130 through a third high-pressure air passage 163, a pressure sensor 164 is arranged on the third high-pressure air passage 163, the pressure value of the third high-pressure air passage 163 is monitored at any time, the third high-pressure air passage 130 is provided with an air inlet and a plurality of air outlets, the number, a plurality of outlet control valves are correspondingly arranged at a plurality of air outlets of the third high-pressure air duct 130, and the other ends of the outlet control valves are correspondingly connected with the wheel-side device assemblies 150 through a plurality of connecting pipelines 165.
As shown in fig. 1, the tire pressure monitoring device 190, the pressurization control valve 110, the first and second stations 121 and 122 of the charge and discharge control valve 120, and the third high pressure air passage 130 are all connected to the control unit 170, the control unit 170 receives a real-time tire pressure signal of the tire pressure monitoring device 190, and the control unit 170 can control the pressurization control valve 110, the first and second stations 121 and 122 of the charge and discharge control valve 120, and the plurality of outlet control valves, respectively.
As shown in fig. 2, for wheel limit device assembly 150's structure schematic diagram, adopt electronic wheel driven car, concentrate on motor, decelerator and arresting gear isotructure and arrange among the automobile wheel hub, automobile tire 151 is connected with rim 152, rim 152 links to each other with wheel hub motor casing 156, wheel hub motor casing 156 is inside for holding the chamber, is the wheel hub motor holding intracavity portion, wheel hub motor shaft 155 drives the rotation of tire, and wheel limit device assembly 150 include: a hub motor housing 156, a hub motor housing air passage 157, and a rim air passage 158; a hub motor housing 156 provided outside the hub motor and surrounding the hub motor; the hub motor housing air passage 157 is arranged inside the hub motor housing 156, one end of the hub motor housing air passage 157 is connected with the outlet control valve through the connecting pipe 165, the other end of the hub motor housing air passage 157 is connected with the rim air passage 158, the rim air passage 158 is arranged inside the rim 11, the other end of the rim air passage 158 is directly connected with the automobile tire 151, air can be conveyed into the automobile tire 151, the sealing performance between the hub motor housing air passage 157 and the rim air passage 158 is improved through the sealing rings 153 and 154, and the air passages of the wheel-side device assembly 150 are all integrated inside the electric wheel device.
As shown in fig. 3 and 4, the whole structure of the automatic inflation and deflation device for electric wheel tires of the present invention has the air passages all concentrated inside the electric wheel device, and other components all installed on the upper portion of the floor device of the vehicle, with high integration of the whole structure.
The utility model provides an automatic gassing device that fills of electronic tire, the distribution pipeline that connects out by third high-pressure gas duct 130 links to each other with wheel hub motor casing air duct 157, wheel hub motor casing air duct 157 links to each other with rim air duct 158, finally is linked together with the tire, according to the pressure sensor 164 of dress in third high-pressure gas duct 163 and the signal of feeding back to the control unit 170 with installing the tire pressure monitoring devices 190 in four tires, through the function that the realization device that the control unit 170 controlled each control valve fills the gassing.
Besides, the device can be disabled by disabling the outlet control valve, the device can also be disabled by changing the connecting position of the rim 152 and the hub motor shaft 155, the hub motor housing air passage 157 is communicated with the rim air passage 158 when the device is in normal operation, and the rim 152 can be rotated by 90 degrees clockwise or anticlockwise relative to the hub motor shaft 155 on the basis of the normal operation position when the device is to be disabled, at the moment, the hub motor housing air passage 157 cannot be communicated with the rim air passage 158, and therefore the purpose of manually disabling the device is achieved.
The utility model provides an automatic inflation and deflation device for electric wheel tires, which can be used for inflating, deflating, measuring pressure and maintaining pressure for automobile tires when parking or driving, and can conveniently and rapidly detect and adjust tire pressure, so that the automobile can select proper tire pressure according to different road surfaces, thereby improving the passing capacity of the automobile; when the automobile runs for a long distance, the tire heats, the device can detect and adjust the tire pressure at any time, and the condition of tire burst can be avoided; when the tire is punctured, the automobile can be inflated and run at the same time, so that the automobile is separated from the dangerous area and runs as far as possible; the device can reduce the air pressure of the tire, thereby reducing the height of the automobile so that the automobile can pass through places with height limitation. Or the tire pressure is reduced, the adhesion force of the tire to the ground is increased, and the vehicle can slip or sink easily on road conditions such as sand beach, snow land, wet land and the like.
The utility model provides a pair of automatic gassing device that fills of electronic round of tire, the working process includes following step:
step 1: monitoring the environment temperature, the road surface temperature and the road surface gradient through a sensor, monitoring the real-time tire pressure of the tire through a tire pressure monitoring device, and transmitting the real-time tire pressure to a control unit;
step 2: comparing the real-time tire pressure with a tire pressure standard in a control unit:
if the real-time tire pressure is smaller than the tire pressure standard, the control unit selects the following inflation mode:
the control unit controls the conduction of air inlet stations of the pressure increasing control valve and the air charging and discharging control valve, simultaneously controls an outlet control valve corresponding to the tire with insufficient tire pressure to be opened, and high-pressure gas sequentially passes through the pressure increasing control valve, the air charging and discharging control valve, the air passage distribution device, the outlet control valve, the air passage of the hub motor shell and the air passage of the rim from an air source and is finally communicated with the tire;
if the real-time tire pressure is larger than the tire pressure standard, the control unit selects the following deflation mode:
the control unit controls the pressurization control valve to be closed, controls the air outlet station of the inflation and deflation control valve to be communicated, controls the outlet control valve corresponding to the tire with the overhigh tire pressure to be opened, and discharges the air into the atmosphere through the inflation and deflation control valve after the air flows out of the tire and sequentially passes through the rim air passage, the hub motor shell air passage, the outlet control valve and the air passage distribution device.
Step 2.1, the tire pressure standard is divided into three modes according to different road conditions:
road mode: the tire pressure standard is 600 KPa;
off-road mode: the tire pressure standard is 450KPa, and the tire pressure standard mainly comprises road conditions of simple roads such as fields, gobi, deserts and the like;
a soft mode: the tire pressure standard is 300KPa, and the tire pressure standard mainly comprises road conditions of sand, snow and muddy road surfaces.
When the tires of the vehicle are punctured or air leaks, the control unit can control the pressurization control valve, the air charging and discharging control valve and the outlet control valve to be opened completely, so that the tires of the vehicle can be ensured to be inflated and run simultaneously, and the vehicle is separated from a dangerous area and runs as far as possible.
The utility model provides a pair of automatic gassing device that fills of electronic round of tire's working process does:
and (3) an inflation mode: the tire information of the vehicle is monitored through the tire pressure monitoring device installed inside the tire and the tire information is sent to the control unit, the judgment is carried out after the comparison with the optimal tire pressure is carried out, when the tire pressure is insufficient, the control unit controls the pressurization control valve to be opened, the first station of the inflation and deflation control valve is controlled to be conducted, the outlet control valve installed on the air passage distribution device corresponding to the tire with insufficient pressure is controlled to be opened, high-pressure gas passing through the outlet control valve is connected with the rim air passage through the hub motor shell air passage, and finally the tire is communicated to inflate the tire with insufficient pressure.
An air release mode: when the air pressure of the tire is too high, the control unit controls the pressurization control valve to be closed, controls the second station of the inflation and deflation control valve to be conducted, simultaneously controls the outlet control valve installed on the air passage distribution device corresponding to the tire with the too high air pressure to be opened for deflation, and the air flows out of the tire, finally discharges into the atmosphere through the inflation and deflation control valve and the silencing valve after sequentially passing through the rim air passage, the hub motor shell air passage, the outlet control valve and the air distribution device, thereby realizing the function of deflating the tire.
The utility model provides an automatic gassing device that fills of electronic tire's working process can make the tire keep different tire pressures under the road conditions of difference according to the tire pressure of electronic tire of concrete road conditions and environment accurate control, improves electronic tire's life, practices thrift the financial resources.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (6)
1. An automatic inflation and deflation device for an electric wheel tire is characterized by comprising:
a gas source; and
a control valve connected to the gas source;
a wheel-side device assembly connected between the control valve and an electric wheel tire;
wherein, wheel limit device assembly includes:
a hub motor housing disposed outside the hub motor;
the hub motor shell air passage is arranged inside the hub motor shell, and one end of the hub motor shell air passage is communicated with the control valve;
and the rim air passage is arranged inside the rim, one end of the rim air passage is connected with the other end of the hub motor shell air passage, and the other end of the rim air passage is connected with the electric wheel tire.
2. The automatic tire inflation and deflation device for electric wheels of claim 1 wherein the air source comprises:
an air compressor; and
an air reservoir connected to the air compressor.
3. The automatic tire inflation and deflation device for electric wheels of claim 1 wherein the control valve comprises:
a pressure increasing control valve connected with the air source;
the charging and discharging control valve is connected with the pressurization control valve and is provided with an air inlet station and an air outlet station;
the two ends of the air passage distribution device are respectively provided with an air inlet and a plurality of air outlets, and the air inlet is connected with the inflation and deflation control valve;
the outlet control valves are respectively and fixedly installed at the air outlets of the air passage distribution device correspondingly;
the air source, the pressure increasing control valve, the inflation and deflation control valve, the air passage distribution device, the outlet control valves and the wheel edge device assembly are all arranged on a chassis device driven by an electric wheel.
4. The automatic tire inflation/deflation device for electric wheels according to claim 3, further comprising:
a control unit which is connected to the pressure increasing control valve, the charge/discharge control valve, and the plurality of outlet control valves at the same time, and which is capable of controlling the pressure increasing control valve, the charge/discharge control valve, and the plurality of outlet control valves, respectively;
a tire pressure monitoring device disposed inside a tire, and the tire pressure monitoring device is connected with the control unit.
5. The automatic tire inflation/deflation device for electric wheels according to claim 3, further comprising:
a first high pressure gas passage connected between the gas source and the pressure increasing control valve,
a second high-pressure air passage connected between the pressure-increasing control valve and the charge and discharge control valve;
the third high-pressure air passage is connected with the charging and discharging control valve and one end of an air inlet of the air passage distribution device;
and the connecting pipelines are respectively connected between the outlet control valves and the other end of the air passage of the shell of the hub motor.
6. The automatic air charging and discharging device for electric wheel tires according to claim 3, wherein the pressure-increasing control valve is a two-position two-way solenoid valve, the air charging and discharging control valve is a three-position four-way solenoid valve, and the outlet control valve is a two-position two-way solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920804790.7U CN209920959U (en) | 2019-05-31 | 2019-05-31 | Automatic inflation and deflation device for electric wheel tire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920804790.7U CN209920959U (en) | 2019-05-31 | 2019-05-31 | Automatic inflation and deflation device for electric wheel tire |
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| Publication Number | Publication Date |
|---|---|
| CN209920959U true CN209920959U (en) | 2020-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920804790.7U Active CN209920959U (en) | 2019-05-31 | 2019-05-31 | Automatic inflation and deflation device for electric wheel tire |
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| CN (1) | CN209920959U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110217056A (en) * | 2019-05-31 | 2019-09-10 | 吉林大学 | A kind of Electric Motor Wheel tire automatic inflatable device of air and its control method |
| CN113263873A (en) * | 2020-02-17 | 2021-08-17 | 建大工业股份有限公司 | Tire assembly and method for improving tire grip |
| CN114261274A (en) * | 2021-12-31 | 2022-04-01 | 吉林大学 | Electric wheel assembly integrated with inflation and deflation functions |
-
2019
- 2019-05-31 CN CN201920804790.7U patent/CN209920959U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110217056A (en) * | 2019-05-31 | 2019-09-10 | 吉林大学 | A kind of Electric Motor Wheel tire automatic inflatable device of air and its control method |
| CN113263873A (en) * | 2020-02-17 | 2021-08-17 | 建大工业股份有限公司 | Tire assembly and method for improving tire grip |
| CN114261274A (en) * | 2021-12-31 | 2022-04-01 | 吉林大学 | Electric wheel assembly integrated with inflation and deflation functions |
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