DE112014005496T5 - Detection device, system and detection method of a rotation range - Google Patents

Abstract

The present invention relates to the field of mechanical detection technology, in particular to a detection device, a rotation range, a system and a detection method of a rotation range. A detecting device of a rotating portion comprises a first brush body, a second brush body, a first layer of the slip ring, and a second layer of the slip ring, wherein the two layers of the slip ring and the brush bodies simultaneously have a relative sliding, and wherein the first layer of the slip ring and the first Brush body form a single point contact, the second layer of the slip ring and the second brush body form a single point contact, and wherein the first layer of the slip ring and the second layer of the slip ring have a structure with alternating conductor sections and insulator sections, and wherein the first layer of the slip ring and the second Layer of the slip ring have different structures. The device solves the technical problem that a user can realize the detection of a rotation range without the installation of additional sensors such as a proximity switch or an encoder.

Description

Technical area

The present invention relates to the field of mechanical detection technology, in particular to a detection system and to a detection method of a rotation range.

State of the art

Many work tools include a full turn-over mechanism, and in terms of control, various control strategies are to be used for the front, back, left, and right sides. The existing detections of a turning range, which are often used in Germany and abroad, are mainly based on installing a proximity switch or an encoder at the turning point. The method in which a proximity switch is installed at the turning point for detecting a rotation range has a relatively complicated installation mechanism, further, the detection is not sufficiently reliable. Installing an encoder is reliable and easy, but costs a lot more.

Content of the invention

In order to solve the technical problems of the prior art, it is an object of the present invention to provide a detection device, system and detection method of a rotation range in order to solve the technical problem that a user without the installation of additional sensors such a proximity switch or an encoder can realize the detection of a rotation range.

In order to solve the above technical problems, the present invention uses the following technical solution:
A detecting device of a rotation region, characterized in that it comprises a first brush body, a second brush body, a first layer of the slip ring and a second layer of the slip ring, wherein the two layers of the slip ring and the brush body simultaneously have a relative sliding, and wherein the first layer the slip ring and the first brush body form a single point contact, and the second layer of the slip ring and the second brush body form a single point contact, and wherein the first layer of the slip ring and the second layer of the slip ring have a structure with alternating conductor portions and insulator portions, and wherein the first layer of the Slip ring and the second layer of the slip ring have different structures.

Preferably, the conductor portion is filled with conductive material, wherein the insulator portion is filled with no conductive material.

Preferably, the conductor sections and the insulator sections are distributed in equal proportions.

Preferably, the conductor sections and the insulator sections are not distributed in equal proportions.

A detection system of a rotation range, characterized in that it comprises a first brush body, a second brush body, a first layer of the slip ring, a second layer of the slip ring and a control device, wherein the two layers of the slip ring and the brush body have at the same time a relative sliding, and wherein the first layer of the slip ring and the first brush body form a single point contact, and the second layer of the slip ring and the second brush body form a single point contact, and wherein the first layer of the slip ring and the second layer of the slip ring have a structure with alternating conductor portions and insulator portions, and wherein the first layer of the slip ring and the second layer of the slip ring have different structures, and wherein the controller via a first through-hole of the slip ring and the first brush body closed circuit and a through forms a closed circuit with the second layer of the slip ring and the second brush body.

• (1) dass bei einer Relativgleitung der ersten Schicht des Pinselkörpers und der ersten Schicht des Schleifrings, die erste Schicht des Pinselkörpers geht am Leiterabschnitt der ersten Schicht des Schleifrings vorbei, die Schaltung ist angeschaltet, und ein Hochpegel-Signal wird ans Steuergerät überträgt; und die erste Schicht des Pinselkörpers geht am Isolatorabschnitt der ersten Schicht des Schleifrings vorbei, die Schaltung ist nicht angeschaltet und ein Niederpegel-Signal wird ans Steuergerät überträgt;
• (2) dass in ähnlicher Weise bei einer Relativgleitung der zweiten Schicht des Pinselkörpers und der zweiten Schicht des Schleifrings das Steuergerät gleichzeitig das durch die zweite Schicht des Pinselkörpers und die zweite Schicht des Schleifrings ausgegebene Hochpegel-Signal und Niederpegel-Signal erfasst;
• (3) dass anhand der strukturellen Eigenschaften des Leitabschnitts und Isolationsabschnitts der ersten Schicht des Schleifrings und der zweiten Schicht des Schleifrings eine Kombination der Sorten der Übertragungspegel des Bereiches, in dem die Drehung sich befindet, im Voraus ermittelt wird;
• (4) dass anhand eines Vergleichs zwischen der Kombination der Sorten der durch das Steuergerät ausgegebenen tatsächlichen Pegel und der Kombination der Sorten der Übertragungspegel des Bereiches, in dem die Drehung sich befindet, der Bereich, in dem die Drehung sich befindet, detektiert werden kann.

A detection method of a rotation range, characterized by comprising the steps of:

• (1) that upon relative sliding of the first layer of the brush body and the first layer of the slip ring, the first layer of the brush body passes the conductor portion of the first layer of the slip ring, the circuit is turned on, and a high level signal is transmitted to the controller; and the first layer of the brush body passes the insulator portion of the first layer of the slip ring, the circuit is not turned on and a low level signal is transmitted to the controller;
• (2) similarly, in a relative sliding of the second layer of the brush body and the second layer of the slip ring, the controller simultaneously detects the high level signal and the low level signal output through the second layer of the brush body and the second layer of the slip ring;
• (3) that, based on the structural characteristics of the leading portion and isolation portion of the first layer of the slip ring and the second layer of the slip ring, a combination of the types of transmission levels of the area in which the rotation is located is determined in advance;
• (4) that, based on a comparison between the combination of the kinds of the actual levels output by the controller and the combination of the varieties, the transmission level of the area in which the rotation is located, the area where the rotation is located can be detected.

Advantages:

• (1) With the above solution, a user can detect four ranges of rotation through two switching quantity signals, so that the program control is relatively easy.
• (2) The redesign of the electric brush with this method is relatively simple and executable, thereby concrete conductor sections and insulation portions of the slip ring are determined based on the control requirements, so that there is a wide range of applications.
• (3) In the case of needing to determine the rotation range, the method can replace the use of an encoder or proximity switch, with low cost and very good reliability.
• (4) The method interferes with the ordinary use of the other layers of the electric brush while realizing the detection of a rotation range.

Brief description of the drawings

1 shows a structural view of the electrical brush of the slip ring of the prior art.

2 shows a structural view of the detection device of a rotation range according to the present invention.

3 shows a schematic structural view of the first layer of the slip ring and the second layer of the slip ring in the first embodiment.

4 shows an application of the second embodiment of the present invention in the anti-tipper control of a truck crane.

5 shows a schematic structural view of the first layer of the slip ring and the second layer of the slip ring in the second embodiment.

LIST OF REFERENCE NUMBERS

1

 outer shell

2

 slip ring

3

 Base

4

 release fork

5

 body brush

6

 Execution of the slip ring

7

 cable

8th

 Execution of the brush body

Detailed embodiments

As in 1 shown, the existing brush body mechanism of the slip ring comprises an outer shell 1 , a slip ring 2 , One Base 3 , a release fork 4 , a brush body 5 , an implementation 6 of the slip ring, a cable connection 7 and an implementation 8th of the brush body. The implementation 6 of the slip ring is led out of the center of the slip ring and the bushing 8th of the brush body gets out of the cable connection 7 led out on the outer shell, this is the base 3 , the outer shell 1 and the brush body 5 formed in one piece, and the release fork 4 and the slip ring 2 are formed in one piece, over the respective attachment of the base 3 and the release fork 4 with the relatively rotating components of a tool becomes a relative sliding of the brush body 5 and the slip ring 2 that press each other firmly, realized in the full turnaround process.

In the detecting device of a rotating portion according to the present invention, in any two adjacent layers of the slip ring and the brush body, the first layer of the slip ring and the first layer of the brush body form a single point contact, and the second layer of the slip ring and the second layer of the brush body form a single point contact. wherein the first layer of the slip ring and the second layer of the slip ring have a structure with alternating conductors and insulators, and wherein the first layer of the slip ring and the second layer of the slip ring have different structures. When the brush body 5 at the conductor section of the slip ring 2 has a relative sliding, an electrical signal is turned on; when the brush body 5 at the isolation section of the slip ring 2 has a relative sliding, an electrical signal is switched off.

A detection system of a rotating area comprises: any two adjacent layers of the slip ring and the brush body, wherein the first layer of the slip ring and the first layer of the brush body form a single point contact, and the second layer of the slip ring and the second layer of the brush body form a single point contact, and wherein the first layer of the slip ring and the second layer of the slip ring have a structure with alternating conductors and insulators, and wherein the first layer of the slip ring and the second layer of the slip ring have different structures. If the two layers of the brush body 5 at the conductor section of the slip ring 2 have a relative sliding, an electrical signal is turned on; when the brush body 5 at the isolation section of the slip ring 2 has a relative sliding, an electrical signal is switched off. The control unit is electrically connected to the implementation of the first and second layers of the slip ring and the implementation of the first and second layers of the brush body, wherein the controller respectively the connection and disconnection information of the first layer of the slip ring and the brush body and the connection and disconnection information the second layer of the slip ring and the brush body detected.

A detection method of a rotation range: in a relative sliding of the first layer of the brush body 5 and the first layer of the slip ring 2 , the first layer of the brush body 5 goes past the conductor portion of the first layer of the slip ring, the circuit is turned on, and a high level signal recorded as 1 is transmitted to the controller, and the first layer of the brush body 5 goes on the insulator portion of the first layer of the slip ring 2 over, the circuit is not turned on and a low level signal recorded as 0 is transmitted to the controller; similarly, upon relative sliding of the second layer of the brush body and the second layer of the slip ring, the controller simultaneously detects the high level signal and the low level signal output through the second layer of the brush body and the second layer of the slip ring; from the structural characteristics of the leading portion and isolation portion of the first layer of the slip ring and the second layer of the slip ring, a combination of the grades of the transmission levels of the area in which the rotation is located is determined in advance; from the combination of the types of actual levels output by the controller, the area where the rotation is located can be detected.

First embodiment:

As in 3 1, the conductive circuit filled black slip ring circuit is referred to as a lead portion, and the slip ring circuit filled with no conductive material is referred to as an insulation portion. During a relative sliding of the brush body 5 and the slip ring 2 becomes the brush body 5 Turned on by the circuit of the black conductor portion of the slip ring and transmits recorded as 1 high level signal to the controller, and the brush body 5 is due to the circuit of the unfilled isolation portion of the slip ring 2 does not turn on and transmits a low level signal recorded as 0 to the controller. At first slip ring and second slip ring in 3 For example, the rotating portions at the front, rear, left and right sides are distributed in equal proportions, with the first slip ring being disposed at the front and rear as the guide portion and at the left and right sides as the insulating portion. The second slip ring is disposed on the right side and rear side as a guide portion and on the left side and front side as an insulating portion. As shown in Table 1, the signals of the first and second slip rings detected by the controller form different level signal combinations. Based on the information of the level signal combinations, the area in which the turning device is located can be determined. No. Signal of the first layer of the slip ring Signal of the second layer of the slip ring rotation range 1 1 0 front 2 1 1 back 3 0 0 Left side 4 0 1 right side

Second embodiment:

Below is a brief explanation with an example of the anti-tipper control of a truck crane. In the present embodiment, the installation position of the truck crane is adjacent to the rear of the cab of the truck, as in FIG 4 shown. In order to realize a tilt protection of the truck crane, a control unit needs to capture the information of the external sensors. For the 90 ° range of the head, the 60 ° range of the rear, the 105 ° range of the left side and the 105 ° range of the right side, different control functions f1 (x, m), f2 (x, m ), f3 (x, m) and f4 (x, m) are used for operations and limitations of the moments. When the structure of the first layer of the slip ring and the second layer of the slip ring according to 5 is used, the controller detects the signals of the first and second slip rings to form different level signal combinations. On the basis of the information of the level signal combinations, the area in which the turning device is located, it can further correspond to the control function of the area used, in order to facilitate a control by means of various control functions in different areas. The correspondence relationship is as shown in Table 2:
when the slip ring signal detected by the controller is (1, 0), it is shown that the hanging hook is at the head, using the function f1 (x, m);
if the slip ring signal (1, 1) detected by the controller is shown, it is shown that the hanger hook is at the stern, using the function f2 (x, m);
when the slip ring signal detected by the controller is (0, 0), it is shown that the hanging hook is on the left side, using the function f3 (x, m);
if the slip ring signal detected by the controller is (0, 1), it is shown that the hanger hook is on the right side, using the function f4 (x, m); No. Signal of the first layer of the slip ring Signal of the second layer of the slip ring rotation range control function 1 1 0 head f1 (x, m) 2 1 1 Rear f2 (x, m) 3 0 0 Left side f3 (x, m) 4 0 1 right side f4 (x, m) Table 2 Table of logical evaluation of the range of rotation

The above content is only the detailed embodiment of the present invention, however, the scope of the present invention is not limited thereto. The changes or substitutions which are easily made by a person skilled in the art familiar with the present technical field within the disclosed technical scope of the present invention should be considered as within the scope of the present invention. Due to the scope of the present invention should be defined by the claims.

Claims (9)

Detection device of a rotation range, characterized in that it comprises a first brush body, a second brush body, a first layer of the slip ring and a second layer of the slip ring, wherein the two layers of the slip ring and the brush body at the same time a relative sliding and wherein the first layer of the slip ring and the first brush body form a single point contact, the second layer of the slip ring and the second brush body form a single point contact, and wherein the first layer of the slip ring and the second layer of the slip ring have a structure with alternating conductor portions and insulator portions and wherein the first layer of the slip ring and the second layer of the slip ring have different structures. The detection device of a rotation region according to claim 1, wherein the conductor portion is filled with conductive material, and wherein the insulator portion is filled with no conductive material. A detection device of a rotation region according to claim 1 or 2, wherein the conductor portions and the insulator portions are distributed in equal proportions. A detection device of a rotation range according to claim 1 or 2, wherein the conductor portions and the insulator portions are not distributed in equal proportions. Detection system of a rotation range, characterized in that it comprises a first brush body, a second brush body, a first layer of the slip ring, a second layer of the slip ring and a control unit, wherein the two layers of the slip ring and the brush body have at the same time a relative sliding, and wherein the the first layer of the slip ring and the first brush body form a single point contact, the second layer of the slip ring and the second brush body form a single point contact, and wherein the first layer of the slip ring and the second layer of the slip ring have a structure with alternating conductor sections and insulator sections, and wherein first layer of the slip ring and the second layer of the slip ring have different structures, and wherein the controller via a passage with the first layer of the slip ring and the first brush body a closed circuit, and via a through forms a closed circuit with the second layer of the slip ring and the second brush body. The detection system of a rotation region according to claim 5, wherein the conductor portion is filled with conductive material, and wherein the insulator portion is filled with no conductive material. A detection system of a rotation range according to claim 4 or 5, wherein the conductor portions and the insulator portions are distributed in equal proportions. A detection system of a rotation range according to claim 4 or 5, wherein the conductor portions and the insulator portions are not distributed in equal proportions. Detection method of a rotation range, characterized in that it comprises the following steps: (1) in a relative sliding of the first layer of the brush body and the first layer of the slip ring, the first layer of the brush body passes the conductor portion of the first layer of the slip ring, the circuit is turned on and a high level signal is transmitted to the controller; and the first layer of the brush body passes the insulator portion of the first layer of the slip ring, the circuit is not turned on, and a low level signal is transmitted to the controller; (2) similarly, with relative sliding of the second layer of the brush body and the second layer of the slip ring, the controller simultaneously detects the high level signal and the low level signal output through the second layer of the brush body and the second layer of the slip ring; (3) Based on the structural characteristics of the leading portion and the insulating portion of the first layer of the slip ring and the second layer of the slip ring, a combination of the types of transmission levels of the area in which the rotation is located is determined in advance; (4) Based on a comparison between the combination of the kinds of the actual levels output by the controller and the combination of the kinds of the transmission levels of the area where the rotation is, the area where the rotation is located can be detected.

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