CN201018273Y - Three-phase motor phase-lack protection and indication equipment of portable magnetic drill tapping machine - Google Patents
Three-phase motor phase-lack protection and indication equipment of portable magnetic drill tapping machine Download PDFInfo
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- CN201018273Y CN201018273Y CNU2007200009726U CN200720000972U CN201018273Y CN 201018273 Y CN201018273 Y CN 201018273Y CN U2007200009726 U CNU2007200009726 U CN U2007200009726U CN 200720000972 U CN200720000972 U CN 200720000972U CN 201018273 Y CN201018273 Y CN 201018273Y
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Abstract
The utility model provides a portable three-phrase motor lack-phase protecting and indicating device for magnetic drilling and tapping machine, which is composed of a main circuit, a control circuit and a rectification circuit. Wherein, the main circuit is connected with a sensing component in parallel between the phrases, which is connected with the rectification circuit and the control circuit through circuitry between the phrases; a backing component is arranged between the main circuit and the control circuit. With the structure as above, the utility model can monitor the three-phrase power supply to prevent the lack-phrase from happening through the sensing component; besides, even the lack-phrase condition is happened during operation, the utility model can restrict the first and the second solenoid coil excite and limit the first and the second solenoid switch action to prevent the motor to operate continuously under the status of lacking phrase, so as to prolong the motor's service life and lower the maintain cost.
Description
Technical field
This is novel to be three-phase motor phase failure protection and indicating device about a kind of portable type magnetic drilling-tapping machine; particularly; be meant on the utilization main circuit and the brake assemblies that group is established between the detection element that connects and main circuit and the control circuit; make boring/tapping machine learn the three phase mains supply condition via detection element; and prevent motor in owing running under the phase state by brake assemblies in addition; reduce the proportion of goods damageds of motor and then increase the service life, reach best user mode.
Background technology
See also available circuit schematic diagram shown in Figure 1, general boring/tapping machine 10 comprises a main circuit 11, a control circuit 12 and a rectification circuit 13:
This main circuit 11, be provided with power end 111 and receiving end 112, link a power line in power end and supply with three phase mains (R phase, S phase, T phase), link a CD-ROM drive motor 113 in receiving end 112,112 groups of power end 111 and sending end are established first electromagnetic switch 114 of two tool first solenoids 115 connected with each other and second electromagnetic switch 116 of a tool second solenoid 117, and the R of main circuit 11 reaches S mutually and goes up installing one mains switch 118 mutually;
This control circuit 12, reach S mutually by the R of main circuit 11 and supply with the control power supply mutually, and S mutually and connect a motor switch 121, motor switch 121 is provided with tapping make and break contact 122 and boring make and break contact 123, tapping make and break contact 122 is connected in series a just commentaries on classics group 124 and a counter-rotating group 125 connected with each other, forward and backward group 124,125 is respectively equipped with first, second solenoid 115,117 and first, second inching switch 126,127, and this boring make and break contact 123 is connected in series with first solenoid 115;
This rectification circuit 13 reaches T phase supply power mutually by the S of main circuit 11, and this S reaches T mutually and joins and be located at the input of bridge rectifier (131), in the output of bridge rectifier 131 and connect a magnetic coil 132 and cooperate with the electromagnetism seat.
But, use situation in reality, its problem is: because power line uses and certainly will be subjected to aging for a long time and external force weight influences, make power line produce broken string, and produce because of opening circuit and to owe phase, below enumerate and respectively owe the phase state;
A. when S opens circuit mutually, the power supply of T phase can import bridge rectifier 131 one input end of rectification circuit 13, under motor switch 121 and 126, the 127 contact conductings of first and second sensitive switch, this first, second solenoid 115,117 can be conducted with R and produce the loop, make first, second electromagnetic switch 114,116 starts, make R import CD-ROM drive motor 113 and be in the phase state of owing with T power supply mutually;
B. when T opens circuit mutually, the power supply of S phase is under motor switch 121 and 126, the 127 contact conductings of first, second sensitive switch, this first, second solenoid 115,117 can be conducted with R and produce the loop, make first, second electromagnetic switch 114,116 starts, make S import CD-ROM drive motor 113 and be in the phase state of owing with R power supply mutually;
C. by above-mentioned A and B is described learns, CD-ROM drive motor 113 still continues to receive to owe the phase power supply under the phase state when owing, and certainly will cause the overheated and then destruction insulating barrier of Inside coil down in continuing start, shortens the useful life of CD-ROM drive motor 113 greatly.
Novel content
The utility model purpose is to provide the three-phase motor phase failure protection and the indicating device of portable type magnetic drilling-tapping machine; It is made of jointly members such as a main circuit, a control circuit and rectification circuits; Whether but it is normal by display part casual inspection three phase mains supply condition to set detection element on main circuit, and utilize the brake assemblies that is mounted between main circuit and control circuit, make and prevent first, second solenoid excitatory and limit first, second electromagnetic switch and carry out conducting owing phase time, take precautions against CD-ROM drive motor in owing continuous running under the phase state, prolong the three-phase motor useful life of using boring/tapping machine greatly, reach best user mode.
To achieve these goals; the technical scheme of this novel employing is: a kind of three-phase motor phase failure protection and indicating device of portable type magnetic drilling-tapping machine; its boring/tapping machine is provided with a main circuit; one control circuit and a rectification circuit; this main circuit binding group is provided with a mains switch; one rectification circuit; one control circuit; two first electromagnetic switch and second electromagnetic switch and CD-ROM drive motor connected with each other; its rectification circuit is provided with the electromagnetism seat of a bridge rectifier and a tool magnetic coil; control circuit is provided with the motor switch of tool boring make and break contact and tapping make and break contact; this tapping make and break contact binding group is provided with first sensitive switch and second sensitive switch and first solenoid and second solenoid, it is characterized in that:
This boring/tapping machine is organized the detection element of establishing the tool display part between the phase and phase of main circuit, make detection element carry out the power supply supplying monitoring, and group is established a brake assemblies between main circuit and control circuit, makes brake assemblies owe the start of phase time prevention CD-ROM drive motor.
Brake assemblies described in this is novel can be relay, and be provided with an actuating coil and two diverter switches, the S that its actuating coil is connected to main circuit respectively reaches T mutually and goes up mutually, the normal opened contact of one diverter switch and motor switch link, the main contact of this diverter switch is linked to the S phase of main circuit, the normal opened contact of another diverter switch is linked on the circuit between first solenoid and second solenoid, and the main contact of this diverter switch is linked to the R phase of main circuit.
The assembly and the circuit of the main circuit of this boring/tapping machine described in novel, control circuit, rectification circuit can be done withstand voltage adjustment in response to the voltage kind, and can cooperate the voltage kind to install a transformer between the actuating coil of brake assemblies and main circuit to carry out the voltage adjustment.
The display part of described detection element can be pointer-type or digital.
Group is established an involution formula switch between the bridge rectifier of described boring/tapping machine and magnetic coil, and then control the suction magnetic of electromagnetism seat and take off the magnetic start, and brake assemblies connects respectively in the normal opened contact of first, second diverter switch and establishes the two motor make and break contact and do mutually movingly down at first, second solenoid and first, second sensitive switch, carries out CD-ROM drive motor and just changes and reverse.
The novel beneficial effect of basis is: basis is novel organizes the detection element of establishing a tool display part by main circuit between phase and phase, and group is established a brake assemblies between main circuit and control circuit, by this, order boring/tapping machine is indicated by display part when power line is supplied with and is carried out the monitoring of three phase mains, and also can limit solenoid and then prevent electromagnetic switch by brake assemblies under three phase mains is supplied with, the prevention CD-ROM drive motor be being owed continuous running under the phase state.
Description of drawings
Fig. 1 available circuit schematic diagram.
This novel stereo appearance figure of Fig. 2.
This novel circuit diagram of Fig. 3.
This new embodiment of Fig. 42 circuit diagrams.
This new embodiment of Fig. 53 circuit diagrams.
This novel other boring/tapping machine schematic appearance of Fig. 6 A-6D.
[primary clustering symbol description]
In the prior art:
10 boring/tapping machines, 11 main circuits
111 power ends, 112 receiving ends
113 CD-ROM drive motor, 114 first electromagnetic switch
115 first solenoids, 116 second electromagnetic switch
117 second solenoids, 118 mains switches
12 control circuits, 121 motor switch
122 tapping make and break contacts, 123 boring make and break contacts
124 just commentaries on classics organize 125 counter-rotating groups
126 first inching switchs, 127 second inching switchs
13 rectification circuits, 131 bridge rectifiers
132 magnetic coils
During this is novel:
20 main circuits, 21 power ends
22 receiving ends, 23 power lines
24 CD-ROM drive motor, 25 first electromagnetic switch
251 first solenoids, 26 second electromagnetic switch
261 second solenoids, 27 mains switches
28,29 detection element, 281,291 display parts
30 control circuits, 31 brake assemblies
311 actuating coils, 312,313 diverter switches
32,32 ', 32 " motor switch
321 tapping make and break contacts, 322 boring make and break contacts
331 first inching switchs are organized in 33 commentaries on classics
341 second inching switchs are organized in 34 counter-rotatings
40 rectification circuits, 41 bridge rectifiers
42 magnetic coils, 43 electromagnetism seats
44 involution formula switches
50 transformers, 60 boring/tapping machines 7
Embodiment
Relevant this novel technology that adopts, means and other effect are lifted a preferred embodiment now, and cooperate diagram to be described in detail as follows, and believe this novel above-mentioned purpose, feature and other advantage, when can by one deeply specifically understand.
Embodiment 1
See also shown in Figure 2 novel stereo appearance figure (please consulting shown in Figure 3 simultaneously), this novel boring/tapping machine comprises a main circuit 20, a control circuit 30 and a rectification circuit 40:
This main circuit 20, be provided with power end 21 and receiving end 22, link a power line 23 in power end 21 and supply with three phase mains (R phase, the S phase, the T phase), link a CD-ROM drive motor 24 in receiving end 22,22 groups of power end 21 and sending end are established first electromagnetic switch 25 of two tool first solenoids 251 connected with each other and second electromagnetic switch 26 of a tool second solenoid 261, the R of main circuit 20 reaches S mutually and goes up installing one mains switch 27 mutually, and reaching T and S mutually in R reaches T mutually and goes up each mutually and connect a tool display part 281,291 detection element 28,29, display part 281,291 can be pointer-type or digital type;
This control circuit 30, establish a brake assemblies 31 (can be relay) in main circuit 20 and 30 groups of control circuit, this brake assemblies 31 is provided with an actuating coil 311 and two diverter switches 312,313, the S that this actuating coil 311 is connected to main circuit 20 reaches T mutually and goes up mutually, the normal opened contact of this diverter switch 312 and motor switch 32 link, and the main contact and the S of diverter switch 312 are connected, motor switch 32 is provided with a tapping make and break contact 321 and a boring make and break contact 322, its tapping make and break contact 321 is connected in series a just commentaries on classics group 33 and a counter-rotating group 34 connected with each other, just, counter-rotating group 33,34 are respectively equipped with first, second solenoid 251,261 and first, second inching switch 331,341, other establishes one and controls handle 35 and first, second inching switch 331,341 are just linking cooperation mutually, counter-rotating group 33,34 are just carrying out CD-ROM drive motor 24, counter-rotating, just, counter-rotating group 33,34 and link with the normal opened contact of diverter switch 313, and the R that the main contact of diverter switch 313 system is linked to main circuit 20 goes up mutually, and its boring make and break contact 322 is connected in series with first solenoid 251;
This rectification circuit 40 reaches T phase supply power mutually by the S of main circuit 20, reaches T mutually in S and joins and be located at the input of bridge rectifier 41, in output and connect a magnetic coil 42 and link with an electromagnetism seat 43 and cooperate;
The above is the correlation position of this novel each associated component of preferred embodiment and the general introduction of structure thereof.
In order to clearly demonstrate this novel flowing mode and effect done, please cooperate again and consult shown in Figure 3 novel circuit diagram:
A. open through power line 23 when mains switch 27 and supply with boring/tapping machine three phase mains, can be by detection element 28,29 display part 281,291 show that R reach the detecting voltage value that S and S reach the T phase mutually mutually, work as R, S, each normal mutually nothing of T opens circuit down, the actuating coil 311 of brake assemblies 31 reaches the T start that is conducted mutually by S, allow diverter switch 312,313 normal opened contact closure makes R reach S phase power supply mutually respectively and imports control circuit 30, then motor switch 32 is cut and put tapping make and break contact 321, and by controlling handle 35 in response to demand switching first, second inching switch 331,341, when first inching switch 331 and 251 conductings of first solenoid, first electromagnetic switch, 25 starts simultaneously make main line 20 three phase mains import CD-ROM drive motor 24 just to be changeed, otherwise, when second inching switch 341 and 261 conductings of second solenoid, second electromagnetic switch, 26 starts simultaneously make main line 20 three phase mains import CD-ROM drive motor 24 and reverse;
B. when R opens circuit mutually, being connected to R reaches detection element 28 that T goes up mutually mutually and can't display voltage detecting value can differentiate R and open circuit mutually, at this moment, though S reaches the actuating coil 311 of the power supply importing brake assemblies 31 of T phase mutually and makes diverter switch 312,313 normal opened contact closures, non-transformer imports diverter switch 313 but R opens circuit mutually, even, S imports diverter switch 312 mutually also can't make control circuit 30 form the start loop, relatively, can't make CD-ROM drive motor 24 be subjected to phase failure protection under the start in first, second electromagnetic switch 25,26;
C. when S opens circuit mutually, being connected to S reaches detection element 29 that T goes up mutually mutually and simultaneously can't display voltage detecting value can differentiate S and open circuit mutually, at this moment, though the power supply of T phase imports the actuating coil 311 of brake assemblies 31 but can't form the loop mutually with S, to make diverter switch 312,313 all be maintained at normal opened contact under the actuating coil 311 no starts simultaneously and not have start, relatively, can't make CD-ROM drive motor 24 be subjected to phase failure protection under the start in first, second electromagnetic switch 25,26;
D. when T opens circuit mutually; being connected to R reaches T and S mutually and reaches detection element 28,29 that T goes up mutually mutually and simultaneously can't display voltage detecting value can differentiate T and open circuit mutually; at this moment; though the power supply of S phase imports the actuating coil 311 of brake assemblies 31 but can't form the loop mutually with T; to make diverter switch 312,313 all be maintained at normal opened contact under the actuating coil 311 no starts simultaneously and not have start; relatively, can't make CD-ROM drive motor 24 be subjected to phase failure protection under the start in first, second electromagnetic switch 25,26.
Embodiment 2
Originally another novel as shown in Figure 4 embodiment circuit diagram, 42 groups of the bridge rectifier 41 of boring/tapping machine and magnetic coil are established an involution formula switch 44, and then control the suction magnetic of electromagnetism seat 43 and take off the magnetic start, and in brake assemblies 31 in first, second diverter switch 312,313 normal opened contact connects respectively establishes two motor switch 32 ', 32 " contact is first; second solenoid 251; 261 and first; second sensitive switch 331; 341 mutually do movingly down; can carry out CD-ROM drive motor 24 is just changeing and reverse, allow operate and follow one's bent more, reach best user mode.
Embodiment 3
Originally novel as shown in Figure 5 another embodiment circuit diagram, the assembly of the main circuit 20 of boring/tapping machine, control circuit 30 and rectification circuit 40 and circuit can be done withstand voltage adjustment in response to the voltage kind, and 2 of the actuating coil 311 of brake assemblies 31 and main circuits can carry out the voltage adjustment in response to voltage kind installing transformer 50, and then the required operating voltage of actuating coil 311 of brake assemblies 31 is provided.
These novel other boring/tapping machine 60 schematic appearance shown in Fig. 6 A-6D, its occupation mode is identical with aforementioned boring/tapping machine.
In sum, basis is novel organizes the detection element of establishing a tool display part by main circuit between phase and phase, and group is established a brake assemblies between main circuit and control circuit, by this, order boring/tapping machine is indicated by display part when power line is supplied with and is carried out the monitoring of three phase mains, and also can limit solenoid and then prevent electromagnetic switch by brake assemblies under three phase mains is supplied with, the prevention CD-ROM drive motor be being owed continuous running under the phase state.
Claims (5)
1. the three-phase motor phase failure protection and the indicating device of a portable type magnetic drilling-tapping machine; its boring/tapping machine is provided with a main circuit; one control circuit and a rectification circuit; this main circuit binding group is provided with a mains switch; one rectification circuit; one control circuit; two first electromagnetic switch and second electromagnetic switch and CD-ROM drive motor connected with each other; its rectification circuit is provided with the electromagnetism seat of a bridge rectifier and a tool magnetic coil; control circuit is provided with the motor switch of tool boring make and break contact and tapping make and break contact; this tapping make and break contact binding group is provided with first sensitive switch and second sensitive switch and first solenoid and second solenoid, it is characterized in that:
This boring/tapping machine is organized the detection element of establishing the tool display part between the phase and phase of main circuit, make detection element carry out the power supply supplying monitoring, and group is established a brake assemblies between main circuit and control circuit, makes brake assemblies owe the start of phase time prevention CD-ROM drive motor.
2. the three-phase motor phase failure protection and the indicating device of portable type magnetic drilling-tapping machine according to claim 1; it is characterized in that: this brake assemblies can be relay; and be provided with an actuating coil and two diverter switches; the S that its actuating coil is connected to main circuit respectively reaches T mutually and goes up mutually; the normal opened contact of one diverter switch and motor switch link; the main contact of this diverter switch is linked to the S phase of main circuit; the normal opened contact of another diverter switch is linked on the circuit between first solenoid and second solenoid, and the main contact of this diverter switch is linked to the R phase of main circuit.
3. the three-phase motor phase failure protection and the indicating device of portable type magnetic drilling-tapping machine according to claim 2; it is characterized in that: the assembly of the main circuit of this boring/tapping machine, control circuit, rectification circuit and circuit can be done withstand voltage adjustment in response to the voltage kind, and can cooperate the voltage kind to install a transformer between the actuating coil of brake assemblies and main circuit to carry out the voltage adjustment.
4. the three-phase motor phase failure protection and the indicating device of portable type magnetic drilling-tapping machine according to claim 1 is characterized in that: the display part of this detection element can be pointer-type or digital.
5. the three-phase motor phase failure protection and the indicating device of portable type magnetic drilling-tapping machine according to claim 1; it is characterized in that: group is established an involution formula switch between the bridge rectifier of this boring/tapping machine and magnetic coil; and then control the suction magnetic of electromagnetism seat and take off the magnetic start; and brake assemblies connects respectively in the normal opened contact of first, second diverter switch and establishes the two motor make and break contact and do mutually movingly down at first, second solenoid and first, second sensitive switch, carries out CD-ROM drive motor and just changes and reverse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200009726U CN201018273Y (en) | 2007-01-24 | 2007-01-24 | Three-phase motor phase-lack protection and indication equipment of portable magnetic drill tapping machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200009726U CN201018273Y (en) | 2007-01-24 | 2007-01-24 | Three-phase motor phase-lack protection and indication equipment of portable magnetic drill tapping machine |
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| Publication Number | Publication Date |
|---|---|
| CN201018273Y true CN201018273Y (en) | 2008-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200009726U Expired - Fee Related CN201018273Y (en) | 2007-01-24 | 2007-01-24 | Three-phase motor phase-lack protection and indication equipment of portable magnetic drill tapping machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201018273Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114285333A (en) * | 2021-12-23 | 2022-04-05 | 浙江欣兴工具股份有限公司 | Control circuit of automatic feeding magnetic seat drilling machine |
-
2007
- 2007-01-24 CN CNU2007200009726U patent/CN201018273Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114285333A (en) * | 2021-12-23 | 2022-04-05 | 浙江欣兴工具股份有限公司 | Control circuit of automatic feeding magnetic seat drilling machine |
| CN114285333B (en) * | 2021-12-23 | 2024-04-02 | 浙江欣兴工具股份有限公司 | Automatic feeding magnetic base drilling machine control circuit |
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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 |
Granted publication date: 20080206 Termination date: 20150124 |
|
| EXPY | Termination of patent right or utility model |