SE412289B - DEVICE FOR BACK WARNING - Google Patents
DEVICE FOR BACK WARNINGInfo
- Publication number
- SE412289B SE412289B SE7804270A SE7804270A SE412289B SE 412289 B SE412289 B SE 412289B SE 7804270 A SE7804270 A SE 7804270A SE 7804270 A SE7804270 A SE 7804270A SE 412289 B SE412289 B SE 412289B
- Authority
- SE
- Sweden
- Prior art keywords
- vehicle
- switching means
- area
- reversing
- transmitter
- Prior art date
Links
- 238000012544 monitoring process Methods 0.000 claims 2
- 239000002184 metal Substances 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/08—Active safety systems predicting or avoiding probable or impending collision or attempting to minimise its consequences
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
- G08G1/161—Decentralised systems, e.g. inter-vehicle communication
- G08G1/162—Decentralised systems, e.g. inter-vehicle communication event-triggered
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
- G08G1/168—Driving aids for parking, e.g. acoustic or visual feedback on parking space
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- Automation & Control Theory (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Radar Systems Or Details Thereof (AREA)
Description
15 20 25 30 35 7804270-2 Förutom en strömtillförselanordning till central- enheten är anordningen - i det visade exemplet via den med 6 betecknade kabeln - ansluten till fordonets backljus- strömkrets. 15 20 25 30 35 7804270-2 In addition to a power supply device to the central unit, the device - in the example shown via the cable marked with 6 - is connected to the vehicle's reversing light circuit.
Omkopplingsorganet 3 är avsett att omkoppla sändare- mottagareenheten mellan ett läge varvid ett område med större utsträckning avkännes och ett läge varvid ett om- råde med mindre utsträckning avkännes.The switching means 3 is intended to switch the transceiver unit between a position in which an area to a greater extent is sensed and a position in which an area to a lesser extent is sensed.
Läget motsvarande omrâdet med större utsräckning ut- nyttjas när fordonet backas på platser med relativt sett fritt utrymme och har till ändamål att göra föraren upp- märksam på föremål, personer eller dylikt som kommer i vägen för fordonet. ' Läget som motsvarar omrâdet med mindre utsträckning utnyttjas när fordonet exempelvis skall backas intill en lastkaj eller liknande och ges föraren därvid en uppfatt- ning om hur lång sträcka som står till buds innan fordonet stöter mot kajen eller dylikt.The position corresponding to the area to a greater extent is utilized when the vehicle is reversed in places with relatively free space and has the purpose of making the driver aware of objects, persons or the like that get in the way of the vehicle. The position corresponding to the area to a lesser extent is used when the vehicle is to be backed next to a loading dock or the like, for example, and the driver is then given an idea of how long the distance is available before the vehicle strikes the quay or the like.
Omkoppling mellan lägena för de båda områdena sker med hjälp av omkopplingsorganet.Switching between the positions of the two areas takes place by means of the switching means.
För att hindra att efter utnyttjande av läget för avkänningsområdet med mindre utsträckning backvarnar- anordningens omkopplingsorgan av misstag skall låtas kvarstå i läget för avkänning av området med mindre ut- sträckning, är omkopplingsorganet försett med ett ställdon, som så snart fordonets backväxel lägges ur, d v s back- strâlkastarens strömkrets brytes, återför omkopplings- organet till det avkänning av området med större utsträck- ning motsvarande inställningsläget.In order to prevent, after utilizing the position of the sensing area to a lesser extent, the switching means of the reversing device from being accidentally left in the position of sensing the area to a lesser extent, the switching means is provided with an actuator which, as soon as the vehicle's reverse gear is disengaged. the backlight of the backlight is broken, the switching means returns to the sensing of the area to a greater extent corresponding to the setting position.
Konstruktivt kan detta ske genom att omkopplings- organet förses med ett hållrelä eller liknande, som så länge ström genomflyter detsammas lindning förmår motverka en âterställningsfjäder eller dylikt.Constructively, this can be done by providing the switching means with a holding relay or the like, which as long as current flows through its winding is able to counteract a resetting spring or the like.
I det föredragna utförandet består sändar-mottagare- enheten av ett dopplerradaraggregat, med en räckvidd på cirka två meter när det gäller indikering av exempelvis personer eller föremål med likartad reflexionsförmåga och cirka tre gånger så lång räckvidd när det gäller 7804270-2 exempelvis metallväggar och dylikt.In the preferred embodiment, the transmitter-receiver unit consists of a Doppler radar unit, with a range of about two meters in terms of indicating, for example, persons or objects with similar reflectivity and about three times as long in terms of 7804270-2, for example, metal walls and the like. .
Genom utnyttjande av omkopplingsorganet kan man med bibehållen säkerhet erhålla önskad indikering av exempel- vis lastkajer och dylikt där - om den längre räckvidden 5 utnyttjades - eljest varningssignal skulle erhållas på ett icke ändamålsenligt stort avstånd.By utilizing the switching means, it is possible to obtain with desired safety the desired indication of, for example, loading docks and the like, where - if the longer range 5 was used - otherwise a warning signal would otherwise be obtained at an inappropriately large distance.
K Uppfinningen får ej anses begränsad till det. be- skrivna och på ritningen visade, utan kan modifieras på ett flertal sätt inom ramen för efterföljande patentkrav.K The invention must not be construed as limited thereto. described and shown in the drawing, but can be modified in a number of ways within the scope of the appended claims.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7804270A SE412289B (en) | 1978-04-14 | 1978-04-14 | DEVICE FOR BACK WARNING |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7804270A SE412289B (en) | 1978-04-14 | 1978-04-14 | DEVICE FOR BACK WARNING |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7804270L SE7804270L (en) | 1979-10-15 |
SE412289B true SE412289B (en) | 1980-02-25 |
Family
ID=20334620
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7804270A SE412289B (en) | 1978-04-14 | 1978-04-14 | DEVICE FOR BACK WARNING |
Country Status (1)
Country | Link |
---|---|
SE (1) | SE412289B (en) |
-
1978
- 1978-04-14 SE SE7804270A patent/SE412289B/en unknown
Also Published As
Publication number | Publication date |
---|---|
SE7804270L (en) | 1979-10-15 |
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