Inclination and offset detection device

The alignment system according to any of the preceding claims, wherein the output device (24) and/or the processing unit (22) is/are formed on a mobile device (26) and/or in the casing (12) and/or on the receiver unit (18).

The alignment system according to any of the preceding claims, wherein the data connections between the electronic accelerometer unit (14) with the processing unit (22) and the receiver unit (18) with the processing unit (22) are wireless transmission channels.

The alignment system according to any of the preceding claims, wherein the electronic accelerometer unit (14) comprises at least two accelerometer sensors (141, 142), which are attached with a mutual offset and may further comprise a connection module (143), a microcontroller (144) and/or a power supply (145).

The alignment system according to any of the preceding claims, wherein the electronic accelerometer unit (14) is rotatable together with the casing (12) and in particular is rotatable between four different pre-defined measurement positions manually.

The alignment system according to any of the preceding claims, wherein the receiver unit (18) is adjustably attached to the base plate (20) by means of adjustment means (181).

The alignment system according to any of the preceding claims, wherein the receiver unit (18) comprises a housing (180) for covering:

• a fresnel lens (182) for collecting and focusing the received laser beam,
• an image sensor (183) and
• wherein the receiver unit (18) comprises a levelling means (184) for levelling the receiver unit (18) so that it is aligned perpendicular to the earths gravitational field vector.

A casing (12) for use in an alignment system according to any of the system claims above, wherein the casing (12) cases:

• an electronic accelerometer unit (14) and
• a pendulum unit (16) being attached at a bottom part of the electronic accelerometer unit (14) so that the pendulum unit (16) can swing with two degrees of freedom around a pivot point, and wherein at the bottom part of a pendulum support structure (165), a laser emitter (164) is attached which is configured to emit a laser beam.

The method according to any of directly preceding method claims, wherein the method comprises executing a decision algorithm (DA) on the processing unit (22) for differentiating between an inclination error and an offset error, and in particular wherein the alignment dataset (ADS) comprises:

• a roll error portion (rep), indicating a misalignment of the constructive component (P), in particular an inclination error due to a roll error,
• a pitch error portion (pep), indicating a misalignment of the constructive component (P) in particular an inclination error due to a pitch error;
• an offset error portion (oep), indicating a misalignment of the constructive component (P) in particular due to a lateral offset.

The method according to the directly preceding method claim, wherein the rotating instructions (ri) are calculated dynamically in reply to position signals, received by sensors, indicating an angular position of the electronic accelerometer unit (14) with respect to the constructive component (P).

The method according to any of directly preceding method claims, wherein one alignment dataset (ADS) is calculated each at two or more positions of the constructive component (P), which may be fed in a validation algorithm (VA).

A computer program comprising a computer program code, the computer program code when executed by a processing unit (22) causing the processing unit (22) or an alignment system (100) to execute the steps of the method of any of the preceding method claims.