Car Park Vehicle Detection Dual Loop Ground Sensor Processor

Description

Detailed parameters

Equipment Name:Dual Loop Ground Sense Processor
Model:Parkinglpr-DYXQ-2
Number of coils:2
Output interface 2 relays
Output signal presence, pulse
Frequency adjustment :4
Sensitivity level :4
Output delay None
Dimension :78*40*108
Working voltage: AC/12V

Precautions for the pre-burial of inductance coil

1. coil buried loose: when the local sense of the coil can not be firmly fixed in the slot, the vibration of the car over the road will cause deformation of the coil in the slot, changing the initial inductance of the ground sense, the sensor must be reset to work properly, resulting in vehicle detector detection failure. The solution is to pour the melted asphalt into it to make it fixed.
2. it is best to have LC inductance measuring instrument to measure the size of the inductance of the ground sensing coil, used to confirm the number of turns of the ground sensing coil, to ensure that the inductance of the coil between 100uH-300uH (180 uH or so of the most secure), so that the vehicle detector can be a stable work in its use range.
3. The ground sensing line shall not break the protective layer, with a digital meter to ground resistance is greater than or equal to 10MΩ, DC resistance is 4-6Ω; ground sensing line shall not break the protective layer, with a digital meter to ground resistance is greater than or equal to 10MΩ, DC resistance is 4-6Ω.
4. 50cm around the range can not have a lot of metal, such as manhole covers, rainwater ditch covers.
5. There should be no more than 220V power supply line within 1m.
6. When making several coils, the distance between coils should be more than 2 metres, otherwise they will interfere with each other.
7. 45 degree chamfering on the four corners, and grinding smooth to prevent the sharp corners from damaging the coil cable.
8. the length of the cable should be calculated in advance and reserve enough margin (including the coil lead), it is strictly prohibited in the middle of the coil laying intermediate joints, the cable must not have broken skin, broken, etc.
9. as far as possible in the bottom of the groove, and cable arrangement in order, there should be no cross, overlap and so on.
10. coil to the “ground sensing processor” lead wire, should be twisted according to 20 weeks / per metre, and the lead wire to the ground sensing processor distance between the processor should be as short as possible (such as the end of the lead wire is too long, will lead to ground sensing sensitivity reduction), it is recommended that the section of the 1 metre or less, the maximum should not exceed 5 metres.
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