CN2775930Y - AC servo motor power adaptor circuit - Google Patents
AC servo motor power adaptor circuit Download PDFInfo
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- CN2775930Y CN2775930Y CN 200420098629 CN200420098629U CN2775930Y CN 2775930 Y CN2775930 Y CN 2775930Y CN 200420098629 CN200420098629 CN 200420098629 CN 200420098629 U CN200420098629 U CN 200420098629U CN 2775930 Y CN2775930 Y CN 2775930Y
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- servo motor
- alternating current
- rectifier
- phase alternating
- zero line
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Abstract
The utility model relates to an adapter circuit for a power supply of an alternating current servo motor. Each phase of a three phase alternating current is respectively connected with a rectifying diode to form a three phase half-wave rectification circuit; the output terminal of the three phase half-wave rectification circuit is connected with two input terminals of a bridge rectifier circuit inside a servo controller of the alternating current servo motor; a zero line of the three phase alternating current is connected with the other input terminal of the bridge rectifier circuit inside the servo controller of the alternating current servo motor; in addition, a voltage dependent resistor is arranged between the output terminal of the three phase half-wave rectification circuit and the zero line of the three-phase alternating current. Compared with the original type of adopting an industrial frequency transformer, the utility model has the advantages of high reliability, no noise, small size and low cost.
Description
Technical field
The utility model relates to the power supply adaptor that is used for AC servo motor, specifically is meant the circuit structure of AC servo motor power supply adaptor.
Background technology
The rotor of servomotor inside is a permanent magnet, the three-phase alternating current electric forming electromagnetic field of servo controller control, rotor rotates under the effect in this magnetic field, the encoder feedback signal that the while motor carries is given servo controller, servo controller compares according to value of feedback and desired value, adjusts the angle of rotor rotation.Because AC servo motor manufacturer both domestic and external produces by international practice, input power supply that the AC servo motor of its production is required and domestic three-phase alternating current are not complementary, therefore, its servo controller power input needs to be electrically connected with three-phase alternating current by power supply adaptor.
Known method is to adopt the servo controller step-down power supply of Industrial Frequency Transformer to AC servo motor, yet the Industrial Frequency Transformer cost is higher, bulky, is not easy to install, particularly for the equipment of some compact conformations, caused certain puzzlement installing.
The utility model content
The utility model provides a kind of AC servo motor power supply adaptor circuit, and its main purpose is to overcome at present owing to adopt Industrial Frequency Transformer to carry out transformation thereby shortcomings such as cost is higher, bulky, inconvenience installation.
The utility model adopts following technical scheme: AC servo motor power supply adaptor circuit, each connects a rectifier diode mutually respectively three-phase alternating current, form three-plase half wave rectifier circuit, two inputs of bridge rectifier in the output termination AC servo motor servo controller of this three-plase half wave rectifier circuit, the zero line of three-phase alternating current connects another input of bridge rectifier in the AC servo motor servo controller, and, be connected to piezo-resistance between the output of aforementioned three-plase half wave rectifier circuit and the zero line of three-phase alternating current.
Aforementioned AC servo motor power supply adaptor circuit can have following several concrete scheme:
The positive pole of one, three rectifier diode connects three-phase alternating current respectively, negative pole mutually and connect, should and contact be connected with two inputs of bridge rectifier in the AC servo motor servo controller, described piezo-resistance is connected in this also between contact and the zero line.
The negative pole of two, three rectifier diodes connects three-phase alternating current respectively, anodal mutually and connect, should and contact be connected with two inputs of bridge rectifier in the AC servo motor servo controller, described piezo-resistance is connected in this also between contact and the zero line.
Three, the positive pole of three rectifier diodes connects three-phase alternating current respectively, wherein second, the negative pole of the 3rd rectifier diode mutually and connect, also contact is connected with second input of bridge rectifier in the AC servo motor servo controller, the negative pole of first rectifier diode is connected with the first input end of bridge rectifier in the AC servo motor servo controller, the zero line of three-phase alternating current is connected with the 3rd input of bridge rectifier in the AC servo motor servo controller, between zero line and aforementioned and the contact, be connected to a piezo-resistance between the negative pole of the zero line and first rectifier diode respectively.
Four, the negative pole of three rectifier diodes connects three-phase alternating current respectively, wherein second, the 3rd rectifier diode anodal mutually and connect, also contact is connected with second input of bridge rectifier in the AC servo motor servo controller, the positive pole of first rectifier diode is connected with the first input end of bridge rectifier in the AC servo motor servo controller, the zero line of three-phase alternating current is connected with the 3rd input of bridge rectifier in the AC servo motor servo controller, between zero line and aforementioned and the contact, be connected to a piezo-resistance between the positive pole of the zero line and first rectifier diode respectively.
Five, B in the three-phase alternating current, the C two-phase connects the negative pole of a rectifier diode respectively, these two rectifier diodes anodal mutually and connect, also contact is connected with second input of bridge rectifier in the AC servo motor servo controller, the A of three-phase alternating current directly is connected with the first input end of bridge rectifier in the AC servo motor servo controller mutually, the zero line of three-phase alternating current is connected with the 3rd input of bridge rectifier in the AC servo motor servo controller, between the A phase and zero line of three-phase alternating current, be connected to a piezo-resistance respectively between aforementioned and contact and the zero line.
Six, B in the three-phase alternating current, the C two-phase connects the positive pole of a rectifier diode respectively, the negative pole of these two rectifier diodes mutually and connect, also contact is connected with second input of bridge rectifier in the AC servo motor servo controller, the A of three-phase alternating current directly is connected with the first input end of bridge rectifier in the AC servo motor servo controller mutually, the zero line of three-phase alternating current is connected with the 3rd input of bridge rectifier in the AC servo motor servo controller, between the A phase and zero line of three-phase alternating current, be connected to a piezo-resistance respectively between aforementioned and contact and the zero line.
By above-mentioned description to the utility model structure as can be known, the utlity model has following advantage: reliability height, noiselessness, volume is little, cost is low.
Description of drawings
Fig. 1 is the circuit diagram of existing AC servo motor servo controller;
Fig. 2 is the circuit diagram of the utility model embodiment one;
Fig. 3 is the circuit diagram of the utility model embodiment two;
Fig. 4 is the circuit diagram of the utility model embodiment three;
Fig. 5 is the circuit diagram of the utility model embodiment four;
Fig. 6 is the circuit diagram of the utility model embodiment five;
Fig. 7 is the circuit diagram of the utility model embodiment six.
Specific embodiment
With reference to Fig. 1, for existing by international practice produce the circuit diagram of AC servo motor servo controller, this circuit comprises three-phase bridge rectifier of being made up of six rectifier diodes 5,6,7,8,9,10 and the energy storage filter capacitor 14 that is connected to this three-phase bridge rectifier output, and the three-phase power input end of three-phase bridge rectifier is 11,12,13.In the prior art, the 380V three-phase alternating current is a three-phase 200V alternating current through the Industrial Frequency Transformer step-down, and inserting power input is 11,12,13, and behind bridge rectifier, the voltage that outputs to energy storage filter capacitor 14 two ends is about 300V.
Embodiment one of the present utility model, with reference to Fig. 2, each connects the positive pole of a rectifier diode 1,2,3 mutually respectively mutually for three-phase alternating current A phase, B phase, C, the negative pole of rectifier diode 1,2,3 mutually and connect, also contact is connected with two power inputs 11,12 of bridge rectifier in the aforementioned existing AC servo motor servo controller, the zero line of three-phase alternating current connects another power input 13 of bridge rectifier in the aforementioned existing AC servo motor servo controller, is connected to a piezo-resistance 4 between aforementioned and contact and the zero line.The magnitude of voltage of this piezo-resistance can be between 350V to 400V.As calculated and the actual measurement, in this circuit, the voltage at energy storage filter capacitor 14 two ends is 310V, as seen, the circuit that present embodiment provided can provide required power supply for the AC servo motor servo controller.
Embodiment two of the present utility model, with reference to Fig. 3, with the difference of embodiment one be the negative pole of three rectifier diodes 1,2,3 connect respectively three-phase alternating current A mutually, B phase, C phase, anodal mutually and connect, also contact is connected with two inputs 11,12 of bridge rectifier in the aforementioned existing AC servo motor servo controller, piezo-resistance 4 is connected between this and contact and the zero line, and all the other structures are identical with embodiment one.In this circuit, the voltage at energy storage filter capacitor 14 two ends is 310V also, meets the requirements.
Embodiment three of the present utility model, with reference to Fig. 4, three rectifier diodes 1,2,3 positive pole connects three-phase alternating current A phase respectively, the B phase, the C phase, wherein second, the 3rd rectifier diode 2,3 negative pole mutually and connect, also contact is connected with the second source input 12 of bridge rectifier in the aforementioned existing AC servo motor servo controller, the negative pole of first rectifier diode 1 is connected with the first input end 11 of bridge rectifier in the aforementioned existing AC servo motor servo controller, the zero line of three-phase alternating current is connected with the 3rd input 13 of bridge rectifier in the aforementioned existing AC servo motor servo controller, between zero line and aforementioned and the contact, be connected to piezo-resistance 4 between the negative pole of the zero line and first rectifier diode 1 respectively, 15, piezo-resistance 4,15 magnitude of voltage also is 310V.In this circuit, the voltage at energy storage filter capacitor 14 two ends is 310V also, meets the requirements.
Embodiment four of the present utility model, with reference to Fig. 5, its primary structure is identical with embodiment three, and the main distinction is that the connection of its three rectifier diodes 1,2,3 is opposite with connection direction among the embodiment three, and all the other structures are identical with embodiment three.In this circuit, the voltage at energy storage filter capacitor 14 two ends is 310V also, meets the requirements.
Embodiment five of the present utility model, with reference to Fig. 6, B in the three-phase alternating current, the C two-phase connects rectifier diode 2 respectively, 3 negative pole, these two rectifier diodes 2,3 anodal mutually and connect, also contact is connected with the second source input 12 of bridge rectifier in the aforementioned existing AC servo motor servo controller, the A of three-phase alternating current directly is connected with first power input 11 of bridge rectifier in the aforementioned existing AC servo motor servo controller mutually, the zero line of three-phase alternating current is connected with the 3rd power input 13 of bridge rectifier in the aforementioned existing AC servo motor servo controller, between the A phase and zero line of three-phase alternating current, be connected to piezo-resistance 4 respectively between aforementioned and contact and the zero line, 15, piezo-resistance 4,15 magnitude of voltage also is 310V.In this circuit, the voltage at energy storage filter capacitor 14 two ends is 310V also, meets the requirements.
Embodiment six of the present utility model, with reference to Fig. 7, its basic structure is identical with embodiment five, and difference is that the connection of two rectifier diode 2,3 is opposite with connection direction among the embodiment five, and all the other structures are identical with embodiment five.In this circuit, the voltage at energy storage filter capacitor 14 two ends is 310V also, meets the requirements.
Among above-mentioned several embodiment, the rectifier diode positive pole connects three-phase alternating current, be forward type circuit, the rectifier diode negative pole connects three-phase alternating current, be the flyback type circuit, the best AC servo motor with an employing flyback type circuit of the AC servo motor of this forward type circuit of employing is connected in the three-phase alternating current simultaneously and uses, and can make full use of two half-waves of three-phase alternating current like this, can not reduce the power factor of AC servo motor system.
Above-mentioned only is specific embodiment of the utility model, but design concept of the present utility model is not limited thereto, and allly utilizes this design that the utility model is carried out the change of unsubstantiality, all should belong to the behavior of invading the utility model protection range.
Claims (7)
1, AC servo motor power supply adaptor circuit, it is characterized in that: each connects a rectifier diode mutually respectively three-phase alternating current, form three-plase half wave rectifier circuit, two inputs of bridge rectifier in the output termination AC servo motor servo controller of this three-plase half wave rectifier circuit, the zero line of three-phase alternating current connects another input of bridge rectifier in the AC servo motor servo controller, and, be connected to piezo-resistance between the output of aforementioned three-plase half wave rectifier circuit and the zero line of three-phase alternating current.
2, as claim 1 AC servo motor power supply adaptor circuit, it is characterized in that: the positive pole of described three rectifier diodes connects three-phase alternating current respectively, negative pole mutually and connect, should and contact and AC servo motor servo controller in two inputs of bridge rectifier be connected, described piezo-resistance is connected in this also between contact and the zero line.
3, as claim 1 AC servo motor power supply adaptor circuit, it is characterized in that: the negative pole of described three rectifier diodes connects three-phase alternating current respectively, anodal mutually and connect, should and contact and AC servo motor servo controller in two inputs of bridge rectifier be connected, described piezo-resistance is connected in this also between contact and the zero line.
4, as claim 1 AC servo motor power supply adaptor circuit, it is characterized in that: the positive pole of described three rectifier diodes connects three-phase alternating current respectively, wherein second, the negative pole of the 3rd rectifier diode mutually and connect, also contact is connected with second input of bridge rectifier in the AC servo motor servo controller, the negative pole of first rectifier diode is connected with the first input end of bridge rectifier in the AC servo motor servo controller, the zero line of three-phase alternating current is connected with the 3rd input of bridge rectifier in the AC servo motor servo controller, between zero line and aforementioned and the contact, be connected to a piezo-resistance between the negative pole of the zero line and first rectifier diode respectively.
5, as claim 1 AC servo motor power supply adaptor circuit, it is characterized in that: the negative pole of described three rectifier diodes connects three-phase alternating current respectively, wherein second, the 3rd rectifier diode anodal mutually and connect, also contact is connected with second input of bridge rectifier in the AC servo motor servo controller, the positive pole of first rectifier diode is connected with the first input end of bridge rectifier in the AC servo motor servo controller, the zero line of three-phase alternating current is connected with the 3rd input of bridge rectifier in the AC servo motor servo controller, between zero line and aforementioned and the contact, be connected to a piezo-resistance between the positive pole of the zero line and first rectifier diode respectively.
6, AC servo motor power supply adaptor circuit, it is characterized in that: the B in the three-phase alternating current, the C two-phase connects the negative pole of a rectifier diode respectively, these two rectifier diodes anodal mutually and connect, also contact is connected with second input of bridge rectifier in the AC servo motor servo controller, the A of three-phase alternating current directly is connected with the first input end of bridge rectifier in the AC servo motor servo controller mutually, the zero line of three-phase alternating current is connected with the 3rd input of bridge rectifier in the AC servo motor servo controller, between the A phase and zero line of three-phase alternating current, be connected to a piezo-resistance respectively between aforementioned and contact and the zero line.
7, AC servo motor power supply adaptor circuit, it is characterized in that: the B in the three-phase alternating current, the C two-phase connects the positive pole of a rectifier diode respectively, the negative pole of these two rectifier diodes mutually and connect, also contact is connected with second input of bridge rectifier in the AC servo motor servo controller, the A of three-phase alternating current directly is connected with the first input end of bridge rectifier in the AC servo motor servo controller mutually, the zero line of three-phase alternating current is connected with the 3rd input of bridge rectifier in the AC servo motor servo controller, between the A phase and zero line of three-phase alternating current, be connected to a piezo-resistance respectively between aforementioned and contact and the zero line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420098629 CN2775930Y (en) | 2004-12-10 | 2004-12-10 | AC servo motor power adaptor circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420098629 CN2775930Y (en) | 2004-12-10 | 2004-12-10 | AC servo motor power adaptor circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2775930Y true CN2775930Y (en) | 2006-04-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420098629 Expired - Fee Related CN2775930Y (en) | 2004-12-10 | 2004-12-10 | AC servo motor power adaptor circuit |
Country Status (1)
| Country | Link |
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| CN (1) | CN2775930Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101369784B (en) * | 2008-06-24 | 2011-02-09 | 何川江 | Electronic servo transformer and servo system |
| CN105099227A (en) * | 2014-05-23 | 2015-11-25 | 广东美的暖通设备有限公司 | Three-phase half-wave voltage-doubled rectifying device, motor driving device and air conditioner |
-
2004
- 2004-12-10 CN CN 200420098629 patent/CN2775930Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101369784B (en) * | 2008-06-24 | 2011-02-09 | 何川江 | Electronic servo transformer and servo system |
| CN105099227A (en) * | 2014-05-23 | 2015-11-25 | 广东美的暖通设备有限公司 | Three-phase half-wave voltage-doubled rectifying device, motor driving device and air conditioner |
| CN105099227B (en) * | 2014-05-23 | 2017-12-19 | 广东美的暖通设备有限公司 | Three-phase semiwave times voltage commutation device and motor driver and air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |