CN100337121C - Radar set in use for backing trailer - Google Patents
Radar set in use for backing trailer Download PDFInfo
- Publication number
- CN100337121C CN100337121C CNB2004100031699A CN200410003169A CN100337121C CN 100337121 C CN100337121 C CN 100337121C CN B2004100031699 A CNB2004100031699 A CN B2004100031699A CN 200410003169 A CN200410003169 A CN 200410003169A CN 100337121 C CN100337121 C CN 100337121C
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- trailer
- alarm unit
- power supply
- demonstration
- control module
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Abstract
The present invention relates to a radar device for backups, which is composed of a display / control unit and one or more than one warning unit, wherein each warning unit comprises four groups of ultrasonic transceivers, a storage battery and a charging circuit. The display / control unit is arranged in the operation seat of a trailer, and the warning units are arranged at optional positions of an additional carriage of the trailer. The warning units are connected with the display / control unit through wired or wireless interfaces so as to provide the function of warning obstacles when the trailer reversely runs. The storage batteries in the warning units can be charged by a lamp power supply of the additional carriage through a charging circuit so as to supplement charging capacity and maintain the power supply needed by the normal work of the warning units.
Description
Technical field
The invention relates to a kind of trailer astern radar device, refer to a kind of astern radar device that trailer is carried additionally the compartment and can effectively be solved electrical problem that is easily installed in especially.
Background technology
Radar for backing car has been that quite general automobile is equipped with at present, and common people think that radar for backing car is that car is using mostly, and in fact, oversize vehicle is because vehicle body is long, and it is on the low side relatively to control dirigibility, and it more needs the auxiliary of radar for backing car.Even yet there is the auxiliary demand of radar for backing car in some specific vehicle, the trailer of for example carrying additionally the compartment is wherein a kind of, and the work of this kind radar for backing car and power supply mode have very big association:
Radar for backing car utilizes the power supply of backup lamp power supply as radar for backing car usually, but for the trailer of carrying additionally the compartment, there is no general backup lamp owing to carry additionally the compartment afterbody, so make the radar for backing car can be with working because of non-transformer.
A kind of feasible solution is that battery is installed in radar for backing car, by battery radar for backing car is powered, this practice has no doubt solved electrical problem, but still other situation of having derived, it must consider the service time of battery electric quantity and the installation site of battery, naturally exhaust but for known to the driver as battery, then the function of radar for backing car is all gone, and will cause driver's puzzlement.
So from the above, the trailer of carrying additionally the compartment is subject to can't power or power supply mode is desirable to the greatest extent and need to be further reviewed, and seeks feasible solution.
Summary of the invention
Therefore, fundamental purpose of the present invention is providing a kind of trailer astern radar device that can effectively solve powerup issue, and makes radar for backing car effectively be installed in carrying additionally on the compartment of trailer, and when reversing, by the auxiliary smooth execution of radar for backing car.
For reaching major technique means that aforementioned purpose takes is to make aforementioned trailer be installed in demonstration/control module in the trailer driver's seat and at least one with astern radar device by one be installed in trailer and carry additionally the Alarm Unit in compartment and form, one of them demonstration/control module can cooperate one or more Alarm Units, both can pass through the wireless mode swap date between Alarm Unit and the demonstration/control module, also can be by wired mode swap date; Demonstration/control module is the testing result of receiving alarm unit then, and judges whether to produce alarm according to testing result; Wherein:
Be arranged with a controller, array ultrasonic transceiver, an accumulator and a charging circuit in the Alarm Unit, this accumulator is charged by charging circuit by the night-light power supply of carrying additionally on the compartment, to keep charge capacity the element in the unit is powered;
Whether whether aforementioned means connected the decision Alarm Unit and worked by carrying additionally brake lamp power supply on the compartment, by wired or wireless mode data transferred to demonstration/control module again, the auxiliary information when providing the driver to move backward.That utilizes that previous designs can be installed in radar for backing car trailer easily carrys additionally the compartment afterbody, and provides reversing auxiliary.
Description of drawings
Fig. 1 is a system schematic of the present invention;
Fig. 2 is the circuit block diagram of Alarm Unit of the present invention;
Fig. 3 is the schematic appearance of Alarm Unit of the present invention;
Fig. 4 is the circuit block diagram of the present invention's demonstration/control module.
The drawing reference numeral explanation:
10, demonstration/control module 11, microprocessor 12, warning horn
13, display 14, wireless telecommunications interface 15, cable communication interface
20, Alarm Unit 201, joint
21～24, ultrasonic transceiver 25, controller 27, cable communication interface
26, wireless telecommunications interface 28, accumulator 29, charging circuit
Embodiment
Relevant concrete structure of the present invention, at first see also shown in Figure 1, mainly form with one or more Alarm Unit 20 by a demonstration/control module 10, wherein demonstration/control module 10 is installed in the trailer driver's seat, can cooperate and one or morely be installed in the Alarm Unit 20 that trailer carrys additionally on the compartment and use simultaneously, this Alarm Unit 10 has wired and wireless transfer channel concurrently simultaneously with demonstrations/control module 20, but and selecting type adopts wired or wireless mode to carry out data to exchange; The testing result of these demonstration/control module 10 receiving alarm unit 20, and judge whether to produce alarm according to testing result, with driver assistance people's reverse action; As for its concrete structure and detailed principle of work, the careful detailed description in detail as the back:
At first see also shown in Figure 2, exposure has the detailed construction of aforementioned Alarm Unit 20 1 possible embodiments, and its ultrasonic transceiver 21～24, a controller 25, a wireless telecommunications interface 26, a cable communication interface 27, an accumulator 28 and charging circuit 29 by plural number is formed; Wherein:
In the present embodiment, make Alarm Unit 20 have four groups of ultrasonic transceivers 21～24, this ultrasonic transceiver 21～24 is launched the ultrasonic pulse under the control of controller 25, ultrasonic in communication process if run into barrier, part ultrasonic signal meeting reflected back ultrasonic transceiver, ultrasonic transceiver 21～24 detection of reflected ripple signals are delivered to controller 25 again and are handled.
This controller 25 is responsible for producing the ultrasonic pulse, is handled the reflection wave signal from ultrasonic transceiver 21～24.Controller 25 is responsible for coordinating the job order of each ultrasonic transceiver 21～24 simultaneously again, and whether the brake lamp power supply that detection is carried additionally on the compartment is connect, when controller 25 detect behind the brake lamp power connection, controller 25 drives 21～24 work a period of times (as 10～30 seconds) of ultrasonic transceiver, will detect distance simultaneously and be delivered to demonstration/control module by wireless telecommunications interface 26 or cable communication interface 27.Ultrasonic transceiver 21～24 will force to enter dormant state to save electric energy by controller 25 after hours.Controller 25 detects the dump energy of accumulator 28 simultaneously in addition, and the data that will detect is given demonstration/control module 10 by 26/27 transmission of wireless/cable communication interface.
Aforesaid cable communication interface 27 is responsible for the data exchange between controller 25 and the demonstration/control module 10: when adopting cable communication interface 27, data transmission between controller 25 and the demonstration/control module 10 can two-wayly carry out, it is sent to demonstration/control module 10 by controller 25 and detects range datas, and show/control module 10 is also to controller 25 transmitting control commands; In addition, also can unidirectionally carry out, promptly by controller 25 uniaxiallies of Alarm Unit 20 demonstration/control module 10 is sent and detect range datas, under this mode of operation, Alarm Unit 20 judges that by controller 25 the brake lamp power supplys are with decision work opportunity.
This wireless telecommunications interface 26 also is responsible for the data exchange between controller 25 and the demonstration/control module 10, and when adopting wireless telecommunications interface 26, data between controller 25 and the demonstration/control module 10 is made one-way transmission, that is controller 25 sends the detection range data to demonstration/control module 10.
This accumulator 28 provides power supply for whole Alarm Unit, and it obtains charge power supply by charging circuit 29 by the night-light power supply of carrying additionally on the compartment.Because brake lamp and night-light are still for carrying additionally the indispensable facility in compartment, so radar for backing car of the present invention can be obtained control signal and power supply smoothly according to this.When the driver stepped on the brake shelves, the brake lamp power supply was switched on, and aforementioned controller 25 detects the brake lamp power supply to judge whether to need to start 21～24 work of ultrasonic transceiver.Fork then will be by 28 chargings of 29 pairs of accumulators of charging circuit when trailer is opened night-light at night running.Because Alarm Unit 20 is in dormant state when not working, and when braking at every turn, the working time of Alarm Unit 20 is limited, so its power consumption is few, multiple with when night-light is lighted, the night-light power supply all can be to accumulator 28 chargings, and accumulator 28 can keep higher charge capacity, thereby keeps the operate as normal of Alarm Unit 20.
See also shown in Figure 3 again, the schematic appearance of aforementioned Alarm Unit 20 1 possible embodiments, it establishes several ultrasonic transceivers 21～24 in a body exterior, controller 25 and circuit thereof are then in body interior, link by a joint 201 as for 27 of power supply and cable communication interfaces, when Alarm Unit 20 adopted cable communication interface 27, the joint 201 of Alarm Unit 20 was used to connect communication cable, brake lamp power supply and night-light power supply; When Alarm Unit used wireless telecommunications interface 26,201 of the joints of Alarm Unit 20 were used to connect brake lamp power supply and night-light power supply.Aforementioned body then screws togather or the gummed mode is fixed to trailer or carrys additionally the compartment afterbody in utilization, no matter its installation or removal are all very convenient.
See also again shown in Figure 4, the composition of aforementioned demonstration/control module 10 structure calcspar, it comprises a microprocessor 11, a warning horn 12, a display 13, a wireless telecommunications interface 14 and a cable communication interface 15 etc.; Wherein:
The detection data of each Alarm Unit 20 is obtained and handled to this microprocessor 11 by wireless/cable communication interface 14/15, thereby obtain the barrier position nearest apart from trailer.Microprocessor 11 is also obtained the dump energy of each Alarm Unit 20 accumulators 28 again, if the dump energy deficiency is promptly alarmed to the driver by display 13.
This warning horn 12 is made of hummer usually, and it is under the control of microprocessor 11, with the distance of different auditory tone cues barriers to vehicle.The obstacle distance vehicle is near more, and sound frequency is high more; The obstacle distance tailstock is far away more, and sound frequency is low more, uses conveniently recognized.When barrier did not constitute a threat to the tailstock, warning horn 12 promptly stopped sounding.
This wireless telecommunications interface 14 is responsible for the data exchange between microprocessor 11 and the Alarm Unit 20: when adopting wireless telecommunications interface 14, data between demonstration/control module 10 and the Alarm Unit 20 is made one-way transmission, and is promptly unidirectional to demonstration/control module 10 uploading detection data and battery capacity information by Alarm Unit 20.
This cable communication interface 15 is responsible for the data exchange between microprocessor 11 and the Alarm Unit 20: when adopting cable communication interface 15, data between this demonstration/control module 10 and the Alarm Unit 20 is made transmitted in both directions, be that Alarm Unit 20 is to demonstration/control module 10 uploading detection data, 10 of demonstration/control modules issue control command to Alarm Unit 20, in addition also can be unidirectional by Alarm Unit 20 to demonstration/control module 10 uploading detection data.
Can find out concrete structure of the present invention and its principle of work by above-mentioned explanation, it is mainly considered trailer and carrys additionally the compartment and do not have backup lamp design, thereby be not suitable for general radar for backing car, by design of the present invention, make the Alarm Unit that is installed on the trailer tailstock or plug-in compartment afterbody except that utilizing the conduct of brake lamp power supply whether to drive the foundation of ultrasonic transceiver, more utilize night-light that the accumulator in the Alarm Unit is charged, to keep the normal operation of Alarm Unit, solve the electrical problem of trailer with radar for backing car with existing effect of these designs; Also provide wired simultaneously in addition and the wireless telecommunications interface, can select the line interface of one by the user as Alarm Unit and demonstration/control module, in utilization, have more elasticity, so these designs have possessed outstanding feature and obvious progress compared to existing trailer with radar for backing car, and meeting the patent of invention important document, application is mentioned in the whence in accordance with the law.
Claims (6)
1. a trailer astern radar device is made up of a demonstration/control module and one or more Alarm Unit; Wherein:
Be provided with a controller in this Alarm Unit, this controller is connected with array ultrasonic transceiver, a wireless telecommunications interface, a cable communication interface, an accumulator respectively, and described accumulator connects a charging circuit; This accumulator is charged by charging circuit by the night-light power supply of the tailstock;
Whereby, both can pass through the wireless mode swap date between Alarm Unit and the demonstration/control module, also can be by wired mode swap date; Demonstration/control module is the testing result of receiving alarm unit then, and judges whether to produce alarm according to testing result.
2. trailer astern radar device as claimed in claim 1 is characterized in that: be provided with a microprocessor in this demonstration/control module, this microprocessor is connected with a warning horn, a display, a wireless telecommunications interface and a cable communication interface respectively.
3. trailer astern radar device as claimed in claim 2 is characterized in that: this warning horn is made of a hummer.
4. trailer astern radar device as claimed in claim 2 is characterized in that: this display can be made of seven-segment display, light emitting diode or LCD.
5. whether trailer astern radar device as claimed in claim 1 is characterized in that: the controller of this Alarm Unit is connected with brake lamp power supply on the car, whether connect the decision Alarm Unit with the brake lamp power supply and work.
6. as claim 1 or 5 described trailer astern radar devices, it is characterized in that: the cable communication interface of this Alarm Unit, controller, charging circuit are connected with cable, brake lamp power supply and night-light power supply respectively by a joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100031699A CN100337121C (en) | 2004-02-24 | 2004-02-24 | Radar set in use for backing trailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100031699A CN100337121C (en) | 2004-02-24 | 2004-02-24 | Radar set in use for backing trailer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1661392A CN1661392A (en) | 2005-08-31 |
| CN100337121C true CN100337121C (en) | 2007-09-12 |
Family
ID=35010817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100031699A Expired - Fee Related CN100337121C (en) | 2004-02-24 | 2004-02-24 | Radar set in use for backing trailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100337121C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5213803B2 (en) * | 2009-07-07 | 2013-06-19 | 日立建機株式会社 | Roadside crash risk monitoring device and transport vehicle |
| US8838353B2 (en) | 2009-07-24 | 2014-09-16 | Robert Bosch Gmbh | Trailer sway mitigation using measured distance between a trailer and a tow vehicle |
| US8326504B2 (en) | 2009-07-30 | 2012-12-04 | Robert Bosch Gmbh | Holistic control for stabilizing vehicle-trailer swaying |
| US8972109B2 (en) * | 2011-04-19 | 2015-03-03 | Ford Global Technologies | Rotatable driver interface for trailer backup assist |
| CN102381322A (en) * | 2011-08-30 | 2012-03-21 | 南车戚墅堰机车有限公司 | Tractor trolley electric control system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5455557A (en) * | 1993-02-10 | 1995-10-03 | Robert Bosch Gmbh | Auxiliary back-up and trailer coupling device for motor vehicles |
| CN1331025A (en) * | 2000-06-22 | 2002-01-16 | 张渊 | Multi-channel scan method and device for car-backing radar |
| CN2500546Y (en) * | 2001-08-29 | 2002-07-17 | 李世雄 | Photosensitive backing car detecting radar capable of convenient assembling |
| CN2518734Y (en) * | 2002-01-11 | 2002-10-30 | 黄国全 | Anticollision device for reverse drive of vehicle |
| CN1472545A (en) * | 2002-08-01 | 2004-02-04 | 李世雄 | Method anjd apparatus for reducing dead detecting angle of radar for back running vehicle |
-
2004
- 2004-02-24 CN CNB2004100031699A patent/CN100337121C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5455557A (en) * | 1993-02-10 | 1995-10-03 | Robert Bosch Gmbh | Auxiliary back-up and trailer coupling device for motor vehicles |
| CN1331025A (en) * | 2000-06-22 | 2002-01-16 | 张渊 | Multi-channel scan method and device for car-backing radar |
| CN2500546Y (en) * | 2001-08-29 | 2002-07-17 | 李世雄 | Photosensitive backing car detecting radar capable of convenient assembling |
| CN2518734Y (en) * | 2002-01-11 | 2002-10-30 | 黄国全 | Anticollision device for reverse drive of vehicle |
| CN1472545A (en) * | 2002-08-01 | 2004-02-04 | 李世雄 | Method anjd apparatus for reducing dead detecting angle of radar for back running vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1661392A (en) | 2005-08-31 |
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Granted publication date: 20070912 Termination date: 20110224 |