CN203132495U - Position detection device of actuator - Google Patents
Position detection device of actuator Download PDFInfo
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- CN203132495U CN203132495U CN 201220725617 CN201220725617U CN203132495U CN 203132495 U CN203132495 U CN 203132495U CN 201220725617 CN201220725617 CN 201220725617 CN 201220725617 U CN201220725617 U CN 201220725617U CN 203132495 U CN203132495 U CN 203132495U
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- actuator
- revolving shaft
- output revolving
- magnetic
- detected
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Abstract
The utility model discloses a position detection device of an actuator. The position detection device comprises the following components of: a gear which transmits a change rotation quantity of a position where a detected actuator output rotation shaft is currently located to a magnetic encoder, wherein one end of the gear is connected with the detected actuator output rotation shaft, and the other end of the gear is connected with the magnetic encoder; the magnetic encoder which detects and obtains a position where the detected actuator output rotation shaft is currently located according to the change rotation quantity of the position where the detected actuator output rotation shaft is currently located, wherein the change rotation quantity is transmitted by the gear; and a center processing unit which is connected with the magnetic encoder and is used for reading the position where the detected actuator output rotation shaft is currently located. The magnetic encoder can obtain the position where the detected actuator output rotation shaft is currently located through calculating magnetic declination, and in detection process, mechanical contact is avoided, and no mechanical wear is produced; and at the same time, the magnetic encoder can perform detection back and forth in a 360-degree range, and therefore, 360-degree seamless connection can be realized.
Description
Technical field
The utility model relates to automatic field, relates to a kind of position detecting device of actuator in particular.
Background technology
At present, the device that is applied to the position probing aspect of actuator has potentiometer, differential winding, absolute encoder and Hall orthogonal encoder.
Potentiometer when actuator is carried out position probing, employing be mechanical action, can produce mechanical wear in the course of work; And can't in 360 degree, detect back and forth, namely can't accomplish 360 degree seamless links.Differential winding also can't be accomplished 360 degree seamless links when actuator is carried out position probing.Absolute encoder is mechanical, also can produce mechanical wear when actuator is carried out position probing.
This shows, be applied to the device of the position probing aspect of actuator in the prior art, in the course of the work, can not realize not having machinery contact and 360 degree seamless links simultaneously.
The utility model content
In view of this, the utility model provides a kind of position detecting device of actuator, to overcome the device of the position probing aspect that is applied to actuator in the prior art, in the course of the work, can not realize not having the problem of machinery contact and 360 degree seamless links simultaneously.
For achieving the above object, the utility model provides following technical scheme:
A kind of position detecting device of actuator comprises:
One end is connected with detected actuator output revolving shaft, and the other end is connected with magnetic coder, described detected actuator output revolving shaft present located change in location rotation amount is sent to the gear of described magnetic coder;
According to the described detected actuator output revolving shaft present located change in location rotation amount that described gear transmits, detect and obtain the magnetic coder of described detected actuator output revolving shaft present located position;
Be connected with described magnetic coder, be used for reading the central processing unit of the detected described detected actuator output revolving shaft present located of described magnetic coder position.
Preferably, in the position detecting device of above-mentioned actuator, described magnetic coder comprises:
Be connected with described gear, the described detected actuator output revolving shaft present located change in location rotation amount of described gear transmission converted to the magnetic cylinder of magnetic declination;
Be connected with described magnetic cylinder, detect the testing circuit of the described magnetic declination size that described magnetic cylinder obtains;
Be connected with described testing circuit, the described magnetic declination size conversion that described testing circuit is obtained becomes described detected actuator output revolving shaft present located position digital signal, and is sent to the Serial Peripheral Interface (SPI) of described central processing unit.
Preferably, described detected actuator comprises:
Output revolving shaft in+360 degree scopes, comes the actuator of back rotation at-360 degree.
Preferably, described detected actuator comprises:
Output revolving shaft is spent in 360 degree scopes 0, only the actuator that rotates to same direction.
Via above-mentioned technical scheme as can be known, compared with prior art, the utility model openly provides a kind of position detecting device of actuator, by the gear that is connected with detected actuator output revolving shaft, described detected actuator output revolving shaft present located change in location rotation amount is sent to magnetic coder, described magnetic coder converts the described detected actuator output revolving shaft present located change in location rotation amount that described gear transmits to magnetic declination, by calculating magnetic declination, obtain described detected actuator output revolving shaft present located position.As seen, described magnetic coder is by calculating magnetic declination, obtain described detected actuator output revolving shaft present located position, do not have the machinery contact in the testing process, can not producing mechanical wear in the position probing process of actuator; Simultaneously, magnetic coder can move back and forth in 360 degree scopes and detect, and also can accomplish 360 degree seamless links.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to the accompanying drawing that provides.
Fig. 1 is the position detecting device structural representation of the utility model embodiment one disclosed a kind of actuator;
Fig. 2 is the utility model embodiment two disclosed magnetic coder structural representations.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model embodiment discloses a kind of position detecting device of actuator, to overcome the device of the position probing aspect that is applied to actuator in the prior art, in the course of the work, can not realize not having the problem of machinery contact and 360 degree seamless links simultaneously.
Concrete structure is elaborated by following examples:
Embodiment one
The position detecting device of a kind of actuator that present embodiment one provides, its structure mainly comprises as shown in Figure 1: gear A 1, magnetic coder A2 and central processing unit A3.
One end is connected with detected actuator 1 output revolving shaft, and the other end is connected with magnetic coder A2, described detected actuator 1 output revolving shaft present located change in location rotation amount is sent to the gear A 1 of described magnetic coder A2;
Described detected actuator 1 output revolving shaft present located change in location rotation amount according to described gear A 1 transmission, detect and obtain the magnetic coder A2 of described detected actuator 1 output revolving shaft present located position, it is the magnetic coder of AEAT-6012 that described magnetic coder A2 adopts model, precision is 12, but is not limited to the scrambler of this model;
Be connected with described magnetic coder A2, be used for reading the central processing unit A3 of the detected described detected actuator of described magnetic coder A2 1 output revolving shaft present located position.
Structure based on the position detecting device of the disclosed a kind of actuator of above-mentioned the utility model when the position detecting device that utilizes this actuator carries out position probing to actuator, is specially:
At first, detected actuator 1 drive motor work, the motor-driven output shaft rotates, output shaft driven gear A1 rotation, gear A 1 other end is connected with magnetic coder A2, and described detected actuator 1 output revolving shaft present located change in location rotation amount is sent to described magnetic coder A2.
Then, described magnetic coder A2 converts the described detected actuator 1 output revolving shaft present located change in location rotation amount that described gear A 1 transmits to magnetic declination, by calculating magnetic declination, obtains described detected actuator 1 output revolving shaft present located position.Described magnetic coder A2 is that the no dead band of 360 degree is detected, and can convert the magnetic declination that calculates to code value, code value is converted into detected actuator 1 output revolving shaft present located position again.
At last, magnetic coder A2 is converted into digital signal with the detected actuator 1 output revolving shaft present located positional information that detection obtains, read by the central processing unit A3 that is connected with described magnetic coder A2, and then learn described detected actuator 1 output revolving shaft present located position.
The utility model adopts the device employing magnetic coder A2 that actuator is carried out position probing, and described magnetic coder A2 volume is little, installation, easy to carry, and low price, and electricity is being arranged, do not having under the electric situation and can both carry out position probing to actuator.
This embodiment of the utility model is by arranging the gear A 1 that is connected with detected actuator 1 output revolving shaft, described detected actuator 1 output revolving shaft present located change in location rotation amount is sent to magnetic coder A2, described magnetic coder A2 converts the described detected actuator 1 output revolving shaft present located change in location rotation amount that described gear A 1 transmits to magnetic declination, by calculating magnetic declination, obtain described detected actuator 1 output revolving shaft present located position.As seen, described magnetic coder A2 is by calculating magnetic declination, obtain described detected actuator 1 output revolving shaft present located position, do not have the machinery contact in the testing process, can not producing mechanical wear in the position probing process of actuator; Simultaneously, magnetic coder A2 can also can accomplish 360 degree seamless links by code-disc operation detection back and forth in 360 degree scopes.
Embodiment two
Concrete, as shown in Figure 2, based on the position detecting device structure of disclosed a kind of actuator among above-mentioned the utility model embodiment, described magnetic coder A2 comprises: magnetic cylinder A21, testing circuit A22 and Serial Peripheral Interface (SPI) A23.
Be connected with described gear A 1, the described detected actuator 1 output revolving shaft present located change in location rotation amount of described gear A 1 transmission converted to the magnetic cylinder A21 of magnetic declination;
Be connected with described magnetic cylinder A21, detect the testing circuit A22 of the described magnetic declination size that described magnetic cylinder A21 obtains;
Be connected with described testing circuit A22, the described magnetic declination size conversion that described testing circuit A22 is obtained becomes described detected actuator 1 output revolving shaft present located position digital signal, and is sent to the Serial Peripheral Interface (SPI) A23 of described central processing unit A3.
Based on the structure of the disclosed magnetic coder A2 of above-mentioned the utility model, when utilizing the actuator of this magnetic coder A2 to carry out position probing, be specially:
At first, the magnetic cylinder A21 that is connected with described gear A 1, the described detected actuator 1 output revolving shaft present located change in location rotation amount that described gear A 1 is transmitted converts magnetic declination to by the rotation of code-disc.
Then, by the testing circuit A22 that is connected with described magnetic cylinder A21, the size of the described magnetic declination that detection magnetic cylinder A21 obtains.
At last, by the Serial Peripheral Interface (SPI) A23 that is connected with described testing circuit A22, the described magnetic declination size conversion that described testing circuit A22 is obtained becomes described detected actuator 1 output revolving shaft present located position digital signal, and described position digital signal is sent to described central processing unit A3.
This embodiment of the utility model carries out position probing by utilizing the actuator of magnetic coder A2, at first, the magnetic cylinder A21 among the described magnetic coder A2 converts the described detected actuator 1 output revolving shaft present located change in location rotation amount that described gear transmits to magnetic declination.Then, calculate the magnetic declination size by the testing circuit A22 that is connected with described magnetic cylinder A21.At last, through Serial Peripheral Interface (SPI) A23 the described magnetic declination size conversion that described testing circuit A22 obtains is become the position digital signal, be sent to described central processing unit A3.As seen, described magnetic coder A2 is by calculating magnetic declination, obtain described detected actuator 1 output revolving shaft present located position, do not have the machinery contact in the testing process, can not producing mechanical wear in the position probing process of actuator; Simultaneously, magnetic coder A2 can also can accomplish 360 degree seamless links by the operation detection back and forth in 360 degree scopes of the code-disc in the magnetic cylinder A21.
Concrete, described detected actuator 1 comprises:
Output revolving shaft in+360 degree scopes, comes the actuator of back rotation at-360 degree.
Since the code-disc of magnetic coder A2 can be in 360 degree scopes back and forth operation detect, come the actuator of back rotation so described magnetic coder A2 can detect output revolving shaft in+360 degree scopes at-360 degree.
Concrete, described detected actuator 1 comprises:
Output revolving shaft is spent in 360 degree scopes 0, only the actuator that rotates to same direction.
Rotate in no dead band because magnetic coder A2 is 360 degree, can detect at 0 degree in 360 degree scopes, only the actuator that rotates to same direction.
In sum:
The utility model openly provides a kind of position detecting device of actuator, by the gear that is connected with detected actuator output revolving shaft, described detected actuator output revolving shaft present located change in location rotation amount is sent to magnetic coder, described magnetic coder converts the described detected actuator output revolving shaft present located change in location rotation amount that described gear transmits to magnetic declination, by calculating magnetic declination, obtain described detected actuator output revolving shaft present located position.As seen, described magnetic coder is by calculating magnetic declination, obtain described detected actuator output revolving shaft present located position, do not have the machinery contact in the testing process, can not producing mechanical wear in the position probing process of actuator; Simultaneously, magnetic coder can also can be accomplished 360 degree seamless links by code-disc operation detection back and forth in 360 degree scopes.
Each embodiment adopts the mode of going forward one by one to describe in this instructions, and what each embodiment stressed is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.For the disclosed device of embodiment, because it is corresponding with the embodiment disclosed method, so description is fairly simple, relevant part partly illustrates referring to method and gets final product.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments herein.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the wideest scope consistent with principle disclosed herein and features of novelty.
Claims (4)
1. the position detecting device of an actuator is characterized in that, comprising:
One end is connected with detected actuator output revolving shaft, and the other end is connected with magnetic coder, described detected actuator output revolving shaft present located change in location rotation amount is sent to the gear of described magnetic coder;
According to the described detected actuator output revolving shaft present located change in location rotation amount that described gear transmits, detect and obtain the magnetic coder of described detected actuator output revolving shaft present located position;
Be connected with described magnetic coder, be used for reading the central processing unit of the detected described detected actuator output revolving shaft present located of described magnetic coder position.
2. device according to claim 1 is characterized in that, described magnetic coder comprises:
Be connected with described gear, the described detected actuator output revolving shaft present located change in location rotation amount of described gear transmission converted to the magnetic cylinder of magnetic declination;
Be connected with described magnetic cylinder, detect the testing circuit of the described magnetic declination size that described magnetic cylinder obtains;
Be connected with described testing circuit, the described magnetic declination size conversion that described testing circuit is obtained becomes described detected actuator output revolving shaft present located position digital signal, and is sent to the Serial Peripheral Interface (SPI) of described central processing unit.
3. device according to claim 1 is characterized in that, described detected actuator comprises:
Output revolving shaft in+360 degree scopes, comes the actuator of back rotation at-360 degree.
4. device according to claim 1 is characterized in that, described detected actuator comprises:
Output revolving shaft is spent in 360 degree scopes 0, only the actuator that rotates to same direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220725617 CN203132495U (en) | 2012-12-25 | 2012-12-25 | Position detection device of actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220725617 CN203132495U (en) | 2012-12-25 | 2012-12-25 | Position detection device of actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203132495U true CN203132495U (en) | 2013-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220725617 Expired - Lifetime CN203132495U (en) | 2012-12-25 | 2012-12-25 | Position detection device of actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203132495U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109142936A (en) * | 2017-06-28 | 2019-01-04 | 宁波正奇电子有限公司 | A kind of actuator shipment automatic detection system |
-
2012
- 2012-12-25 CN CN 201220725617 patent/CN203132495U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109142936A (en) * | 2017-06-28 | 2019-01-04 | 宁波正奇电子有限公司 | A kind of actuator shipment automatic detection system |
| CN109142936B (en) * | 2017-06-28 | 2021-01-19 | 宁波正奇电子有限公司 | Automatic detection equipment for delivery of actuator |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130814 |