CN203896243U - Control loop for permanent magnet motor, and permanent magnet motor - Google Patents
Control loop for permanent magnet motor, and permanent magnet motor Download PDFInfo
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- CN203896243U CN203896243U CN201320863543.7U CN201320863543U CN203896243U CN 203896243 U CN203896243 U CN 203896243U CN 201320863543 U CN201320863543 U CN 201320863543U CN 203896243 U CN203896243 U CN 203896243U
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- magneto
- relay
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- control loop
- switch
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Abstract
The application discloses a control loop form a permanent magnet motor, and the permanent magnet motor. The control loop comprises a control switch and winding coils 1, 2, 3...N, wherein each two of the winding coils are connected in series through a relay. When the relays control the loop to work, a user controls the on/off of the relays according to the power acquired by a load, and further controls the number of winding coils connected to a power output loop of the permanent magnet motor, thereby guaranteeing in real time that the permanent magnet motor provided by the utility model is in a high-efficiency and energy-saving state, and reducing the waste of energy.
Description
Technical field
The application relates to electric machines control technology field, more particularly, relates to a kind of magneto control loop and a kind of magneto.
Background technology
The advantages such as magneto is low with its copper loss, power factor is high, efficiency is high, overload capacity is strong, control performance is excellent replace rapidly conventional asynchronous motor, and leading position dominates the market.
The current research for efficient permanent magnet motor, mainly concentrate on the material of motor use, the optimal design aspect of the mode of slot number cooperation, control method, motor, it is certain that the power output of common described efficient permanent magnet motor keeps conventionally, no matter the load power demand of described efficient permanent magnet motor is how many, described efficient permanent magnet motor all keeps a kind of power stage state, causes energy waste.
Utility model content
In view of this, the application provides a kind of magneto control loop and magneto, to solve that the power stage state of efficient permanent magnet motor of the prior art immobilizes and the technical problem of the energy waste that causes.
To achieve these goals, the existing scheme proposing is as follows:
A magneto control circuit, comprising:
The control switch that Chang Kaiduan is connected with three-phase electricity, opens or cuts out for controlling magneto;
First of the first switches set series connection by relay to N winding coil between any two, and described N is not less than 2 positive integer;
One end that described N coil windings is not connected with relay is connected with the normal-closed end of described control switch;
One end that described the first winding coil is not connected with relay adopts star connection;
The second switch group of described each relay is connected with described control switch.
Preferably, above-mentioned magneto control loop, can also comprise:
Between described control switch and described N winding, be provided with overcurrent protector.
Preferably, above-mentioned magneto control loop, can also comprise:
Between described control switch and described N winding, be provided with fuse.
Preferably, in above-mentioned magneto control loop, described the first coil turn to N winding coil can be identical.
Preferably, above-mentioned magneto control loop, can also comprise:
The controller being connected with second switch group with the first switches set of described each relay, for controlling described the first switches set of each relay and the conducting state of second switch group according to control signal.
Preferably, above-mentioned magneto control loop, can also comprise:
Be arranged on the operating mode detector between described controller and load, for the operating mode according to load, to described controller, send corresponding control signal.
Preferably, above-mentioned magneto control loop, can also comprise:
The gearshift display device being connected with described controller, for showing the gear information of described magneto according to described control signal.
Preferably, above-mentioned magneto control loop, described relay can also comprise:
With the first linked switch of the first switches set interlock, with the second linked switch of second switch group interlock.
A magneto, can comprise above-mentioned any one power magneto control circuit.
Preferably, in above-mentioned magneto, the pitch of described magneto is 1.
From above-mentioned technical scheme, can find out, in the disclosed magneto control loop of the application, user can be according to the size of load power demand, by the first switches set of control relay and the conducting state of second switch group, control the quantity of the winding coil in access magneto power stage loop, in the time need to adjusting the power output of magneto, the first switches set of controlling corresponding relay is closed, second switch group disconnects, or the first switches set of controlling corresponding relay disconnects, second switch group is closed, thereby increase or reduce the quantity of the winding coil in magneto power stage loop, in the embodiment that visible the application provides, can be according to the size of load power demand, adjust at any time the quantity of the winding coil in access magneto power stage loop, the magneto that real-time ensuring the application provides is in energy-efficient state, reduce energy waste.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiment of the application, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structure chart of the disclosed a kind of magneto control loop of the embodiment of the present application;
The electric efficiency figure of the magneto control loop that Fig. 2 provides for another embodiment of the application;
The structure chart of the winding mode of the magneto A phase winding coil that the pitch that Fig. 3 provides for the embodiment of the present application is 1.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present application, the technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only the application's part embodiment, rather than whole embodiment.Embodiment based in the application, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the application's protection.
The power stage state that is directed to the load of efficient permanent magnet motor of the prior art remains unchanged and the problem of the energy waste that causes always, and the application provides a kind of magneto control circuit.
The structure chart of a kind of magneto control circuit that Fig. 1 provides for the embodiment of the present application.
Referring to Fig. 1, the present embodiment provides a kind of magneto control circuit, and described magneto control circuit can comprise: control switch QS, first to N winding coil, be arranged on the relay between every two winding coils;
Wherein, described control switch can comprise three-phase electricity control switch, three Chang Kaiduan of described three-phase electricity control switch respectively with the A of three-phase electricity mutually electricity, B mutually electricity, C mutually electricity be connected, for controlling magneto unlatching or closing;
Wherein, described first can connect by the first switches set of relay between winding coil between two to N winding coil, for example, referring to Fig. 1, between the first winding coil 1 in the application and the second winding coil 2, by the first switches set of the first relay K 1, connect, between the second winding coil 2 and tertiary winding coil 3, by the second relay K 2, be connected, this analogizes example, between described N-1 winding coil N-1 and N winding coil N, by N-1 relay K N-1, be connected, described N is not less than 2 positive integer;
One end that described N coil windings N is not connected with KN-1 relay is connected with the normal-closed end of described control switch QS;
One end that described the first winding wire 1 circle is not connected with K1 relay adopts star connection;
The second switch group of described each relay is connected with the normal-closed end of described control switch QS.
When the control relay circuit providing in above-described embodiment is worked, control described control switch QS closed, now by 1 pair of described the first winding coil 1 of described the first relay K, power, magneto is exported the power output of described the first winding coil 1 correspondence, it is larger when load needs the power output of magneto, the first switches set that can control described the first relay K 1 is closed, second switch group disconnects, now described the first winding coil 1 and the second winding coil 2 series connection, described the first winding coil 1 and described the second winding coil 2 have power stage, now described magneto is exported described the first winding coil and power output sum corresponding to the second winding coil, by that analogy, when load needs magneto Maximum Power Output, the first winding coil of controlling described N-1 relay K N-1 is closed, the second winding coil disconnects, electric current flows through described N to the first winding coil successively, now the power output of described magneto is described first to power output sum corresponding to N winding coil.
Visible by above-described embodiment, user can be according to the size of load power demand, by the first switches set of control relay and the conduction status of second switch group, control the quantity of the winding coil in access magneto power stage loop, when needs magneto output high-power, the first switches set of controlling corresponding relay is closed, second switch group disconnects, in the embodiment that visible the application provides, can be according to the size of load power demand, adjust at any time the quantity of the winding coil in access magneto power stage loop, the magneto that real-time ensuring the application provides is in energy-efficient state, reduce energy waste.
What certainly can understand is, described each relay first switches set in the above embodiments of the present application can be the normal open switch group of relay, described second switch group can be relay normally closed switch group, described normal open switch group and normally closed switch group can be in linkage status, when the normal open switch group in described relay being controlled, be also equivalent to described normally closed switch group to control, for example, while controlling described normal open switch group closure, described normally closed switch group disconnects.
Be understandable that; in order to prevent described magneto from breaking down, cause electric current excessive and then burn described magneto; the magneto control circuit that the application provides can also comprise overcurrent protector; when described overcurrent protector detects electric current in the control circuit of described magneto and surpasses preset value, control described magneto control circuit and open circuit.
Certainly can understand, what described overcurrent protector can be concrete is fuse, and when electric current in described magneto control loop is excessive, the blown fuse in described fuse, controls described magneto and quit work.
Be understandable that, user can arrange described the first coil turn to N winding coil according to actual needs, and the umber of turn of described winding coil can be identical, also can be different.
For example: described first to power output corresponding to N winding coil be 2KW, when described control switch is closed, described magneto power output is 2KW, when the first switches set closure, the second switch group of the relay between the first winding coil and the second winding coil disconnect, the power output of described magneto is 4KW, when the first switches set closure, the second switch group of the relay between described N-1 winding coil and N winding coil disconnect, the power output of described magneto is 2*NKW.
Certainly, be understandable that, the power output that each winding coil is corresponding can need to be set according to user, for example: can Local Phase with, also whole difference.
Certainly for user-friendly, in the technical scheme that the embodiment of the present application provides, can also be provided with controller, described in described controller, the first switches set of each relay is connected with second switch group, user is by controlling and send control signal to described controller, and described controller is controlled the first switches set of each relay and the conducting state of second switch group after getting described control signal.
Be understandable that, in the above embodiments of the present application, described control signal can be that user sends, can also detect by operating mode detector, if described control signal detects by described operating mode detector, , described magneto control circuit in the application can also comprise operating mode detector, described operating mode detector is arranged between load and described controller, for obtaining the work information of described load, work information according to described load, to described controller, send control signal, described controller is controlled the first switches set of relevant relay and the conduction status of second switch group according to described control signal, in wherein said controller, can set in advance the control law corresponding with described control information.
For example: when described N equals 3, the corresponding 3.0KW of the first winding coil power output, the corresponding 2.5KW of the second winding coil power output, the corresponding 2.0KW of tertiary winding coil power output, when load behavior changes between 3KW-7.KW, referring to Fig. 2, the electric efficiency figure of the magneto control loop that Fig. 2 provides for another embodiment of the application, if described operating mode detector detects load behavior near 5.5KW time, described operating mode detector sends the first control signal to described controller, described controller gets after described the first control signal, the first switches set of controlling the relay between described the first winding coil and the second winding coil is closed, second switch group disconnects, make the first winding coil and the second winding coil seal in work, when load behavior being detected near 7.5KW time, to described controller, send the second control signal, described controller gets after the second control signal, the first switches set of controlling the relay between the first winding coil and the second winding coil is closed, second switch group disconnects, the first switches set of controlling the relay between the second winding coil and tertiary winding coil is closed, second switch group disconnects, make described the first winding coil, the second winding coil and tertiary winding coil seal in work.
What certainly can understand is, in order to facilitate user to check the size of the power output of described magneto, in above-described embodiment, can also be provided with gearshift display device, described gearshift display device is connected with described controller, for show the gear information of described magneto according to described control signal.
What certainly can understand is, when described controller damages, user also can control the conducting state of described each relay easily, and each relay in the application can also comprise the first linked switch with the first switches set interlock, the second linked switch with the interlock of second switch group
The first linked switch of described a plurality of relays and the second linked switch can be co-located on a control board, the first linked switch and second linked switch of each relay of take is one group, and every group of sign that is all provided with its corresponding relay, this sign is for identifying the winding coil of its control.
Corresponding to the control circuit of above-mentioned magneto, the present embodiment also provides a kind of magneto of applying above-mentioned magneto control circuit.
Be understandable that, the pitch of the magneto that above-described embodiment provides can be 1,, when the pitch of the concentrated winding of described magneto is 1, many group winding coils can be set on stator tooth.
Referring to Fig. 3, the structure chart of the winding mode of the magneto A phase winding coil that the pitch that Fig. 3 provides for the embodiment of the present application is 1.
Described K1 value KN is corresponding with K1 to the KN relay in Fig. 1, controls the number of the winding coil of described access power output loop by the break-make of control relay.B wherein, C phase winding coil and A phase winding coil are symmetrical.
For solution be greater than 1 across tooth around many groups winding coil, break-make between coil adopts relay to realize.
Finally, also it should be noted that, in this article, relational terms such as the first and second grades is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply and between these entities or operation, have the relation of any this reality or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby the process, method, article or the equipment that make to comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or be also included as the intrinsic key element of this process, method, article or equipment.The in the situation that of more restrictions not, the key element being limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiment, between each embodiment identical similar part mutually referring to.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the application.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can be in the situation that do not depart from the application's spirit or scope, realization in other embodiments.Therefore, the application will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a magneto control loop, is characterized in that, comprising:
The control switch that Chang Kaiduan is connected with three-phase electricity, opens or cuts out for controlling magneto;
Between any two first of the first switches set series connection by relay to N winding coil, described N is not less than 2 positive integer successively;
One end that described N coil windings is not connected with relay is connected with the normal-closed end of described control switch;
One end that described the first winding coil is not connected with relay adopts star connection;
The second switch group of described each relay is connected with described control switch.
2. according to the described magneto control loop in claim 1, it is characterized in that, also comprise:
Between described control switch and described N winding, be provided with overcurrent protector.
3. according to the described magneto control loop in claim 1, it is characterized in that, also comprise:
Between described control switch and described N winding, be provided with fuse.
4. according to the described magneto control loop in claim 1, it is characterized in that:
Described first identical to the coil turn of N winding coil.
5. according to the described magneto control loop in claim 1, it is characterized in that, also comprise:
The controller being connected with second switch group with the first switches set of described each relay, for controlling described the first switches set of each relay and the conducting state of second switch group according to control signal.
6. according to the described magneto control loop in claim 5, it is characterized in that, also comprise:
Be arranged on the operating mode detector between described controller and load, for the operating mode according to load, to described controller, send corresponding control signal.
7. according to the magneto control loop described in claim 5-6 any one, it is characterized in that, also comprise:
The gearshift display device being connected with described controller, for showing the gear information of described magneto according to described control signal.
8. according to the magneto control loop described in claim 1, it is characterized in that, also comprise:
With the first linked switch of the first switches set interlock, with the second linked switch of second switch group interlock.
9. a magneto, is characterized in that, comprises the magneto control loop described in claim 1-8 any one claim.
10. according to the described magneto in claim 9, it is characterized in that, the pitch of described magneto is 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320863543.7U CN203896243U (en) | 2013-12-25 | 2013-12-25 | Control loop for permanent magnet motor, and permanent magnet motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320863543.7U CN203896243U (en) | 2013-12-25 | 2013-12-25 | Control loop for permanent magnet motor, and permanent magnet motor |
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| Publication Number | Publication Date |
|---|---|
| CN203896243U true CN203896243U (en) | 2014-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320863543.7U Expired - Fee Related CN203896243U (en) | 2013-12-25 | 2013-12-25 | Control loop for permanent magnet motor, and permanent magnet motor |
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| CN (1) | CN203896243U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103647497A (en) * | 2013-12-25 | 2014-03-19 | 苏州大学 | Permanent magnet motor control circuit and permanent magnet motor |
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2013
- 2013-12-25 CN CN201320863543.7U patent/CN203896243U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103647497A (en) * | 2013-12-25 | 2014-03-19 | 苏州大学 | Permanent magnet motor control circuit and permanent magnet motor |
| CN103647497B (en) * | 2013-12-25 | 2016-09-28 | 苏州大学 | A kind of magneto controls loop and magneto |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141022 Termination date: 20161225 |