CN203368428U - Electronic switch equipment - Google Patents
Electronic switch equipment Download PDFInfo
- Publication number
- CN203368428U CN203368428U CN 201320382208 CN201320382208U CN203368428U CN 203368428 U CN203368428 U CN 203368428U CN 201320382208 CN201320382208 CN 201320382208 CN 201320382208 U CN201320382208 U CN 201320382208U CN 203368428 U CN203368428 U CN 203368428U
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- pull circuit
- push
- coupled device
- electrical switchgear
- signal
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Abstract
The utility model relates to an electronic switch equipment and belongs to the technical field of electric control equipment. The electronic switch equipment comprises a plurality of identical switch units which are connected in parallel, wherein the switch units comprise four parts of a power source module, a high speed optical coupler, a push-pull circuit and a field effect transistor, the power source module respectively provides a power source for the high speed optical coupler and the push-pull circuit, the power sources of the two are mutually independent, and the high speed optical coupler has functions of temperature, current and voltage compensation and can realize input/output isolation. The electronic switch equipment can realize electrical isolation with a control system and a controlled system which are connected with the electronic switch equipment, and can further settle a problem that the controlled system is difficult to guarantee fast response when the controlled system is driven by heavy current.
Description
Technical field
The utility model relates to a kind of electrical switchgear of realizing the control circuit break-make, belongs to the control panel technical field.
Background technology
In Mechatronic Systems, control system is generally little electric current (total current is less than 10A) system, and be generally large electric current (total current is greater than 100A) system by the control system, and needing between the two to be connected by specific connection device, this type of the most frequently used connection device is exactly electronic switch at present.
Electronic switch refers to the operational outfit that utilizes power electric component to realize connecting and disconnecting of the circuit, and commonly used have relay and a reverse-blocking tetrode thyristor etc.Although relay can be controlled the system of larger electric current, its response speed is slow, and switching time is long, and control system and had electrical connection by the control system, easily makes the former be subject to the latter's interference, even the large current direction of the latter the former cause the former device destruction; And the quilt control system power that reverse-blocking tetrode thyristor connects is less.Therefore, guarantee electrical isolation, there is again the switching time short and larger electrical switchgear of controlled system electric current simultaneously and urgently propose.
Utilize the switching characteristic of field effect transistor, be aided with other electronic components, design a kind of switch element, compose in parallel electrical switchgear by some switch elements, connect the control system of little electric current and large electric current by the control system, by the isolation of both electrical relation, guarantee by quick response and the larger current capacity of the system of control simultaneously, meet the requirement of Mechatronic Systems, there is very high engineering using value.
The utility model content
The purpose of this utility model is to provide a kind of electrical switchgear of realizing that connecting and disconnecting of the circuit is controlled, for the control system that connects little electric current and large electric current by the control system, the electrical contact of isolating both, solve by the control system high-current simultaneously and but be difficult to guarantee the problem of response fast.
In order to achieve the above object, the technical solution of the utility model is as follows:
A kind of electrical switchgear, is characterized in that, described equipment comprises m identical switch element, m=1,2,3,4,, this m switch element is parallel with one another, and each switch element comprises: power module, High-Speed Coupled Device, push-pull circuit and fet switch group;
Described power module is powered to described High-Speed Coupled Device and described push-pull circuit, and both power units are separate in power module, so can avoid interfering with each other because common source causes signal, thereby cause the on off state disorder;
Described High-Speed Coupled Device comprises light-emitting diode, photodetector and amplifier three parts, the upper level equipment input electrical signal be connected with described electrical switchgear is to described light-emitting diode, drive this light-emitting diode to send light signal, this optical signals photodetector receives and converts to the signal of telecommunication, and this signal of telecommunication exports push-pull circuit to after described amplifier amplifies;
Described push-pull circuit comprises recommends two connected triodes, under the Current Control of exporting at the amplifier of described High-Speed Coupled Device, the power unit of described push-pull circuit changes the base voltage of described two triodes, make two triode alternations, two triodes are all the time in contrary "on" position, another cut-off of conducting;
Described fet switch group is by described push-pull circuit output voltage control, comprise the first fet switch and the second fet switch, the operating state of two field effect transistor is identical, i.e. conducting simultaneously or disconnection simultaneously, control the next stage equipment be connected with described electrical switchgear.
Adopt above technical scheme can make the utility model obtain following excellent effect, utilize the switching characteristic of field effect transistor, be aided with other electronic components, design a kind of switch element, compose in parallel electrical switchgear by some switch elements, connect the control system of little electric current and large electric current by the control system, be little electric current (total current is less than 10A) control system can by described electrical switchgear control large electric current (total current is greater than 100A) by the control system, make by the control system and there is larger current capacity, and both are isolated by described electrical switchgear and without any connection on electrical relation, be less than 1 μ s the switching time of Simultaneous Switching, guarantee by the quick response of the system of control, can solve the problem that but is difficult to guarantee fast response time by the control system high-current, meet the requirement of Mechatronic Systems, there is very high engineering using value.
The accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of electronic switch unit described in the utility model.
Fig. 2 is that the utility model be take the overall structure schematic diagram of m=9 as the electrical switchgear of i.e. 9 the switch element parallel connections of example.
Fig. 3 is the overall structure schematic diagram that adopts moving iron type planar motor coil array power drive distributor of the present utility model.
Wherein, 1-power module; 2-High-Speed Coupled Device module; 3-push-pull circuit module; 4-fet switch module; The 5-protective circuit; The 6-switch element; The electrical switchgear that 7-comprises 9 switch element parallel connections; The 8-mover; The 9-magnetic steel array; 10-operating state zone; 11-transition state zone; The 12-coil array; The 13-stator; The 14-line cord; The electrical switchgear that 15-comprises 144 switch elements; The 16-drive array.
Embodiment
Structure and principle below in conjunction with accompanying drawing to electrical switchgear described in the utility model are specifically described.
The utility model provides a kind of electrical switchgear of controlling for the quick break-make of circuit, with reference to figure 2, take m=9 as example, be that described electrical switchgear comprises 9 identical switch elements, with reference to figure 1, each switch element is by forming with lower module: power module 1, High-Speed Coupled Device 2, push-pull circuit 3 and fet switch group 4.
Described power module 1 power supply is to described High-Speed Coupled Device and described push-pull circuit, and both power units are separate in power module, can avoid interfering with each other because common source causes signal, then cause the on off state disorder.
Described High-Speed Coupled Device 2 comprises light-emitting diode, photodetector and amplifier three parts, the upper level equipment input electrical signal be connected with described electrical switchgear is to described light-emitting diode, drive this light-emitting diode to send light signal, this optical signals photodetector receives and converts to the signal of telecommunication, and this signal of telecommunication exports push-pull circuit 3 to after described amplifier amplifies.
Described push-pull circuit 3 is recommended connected by two triodes, the output of described High-Speed Coupled Device 2 is connected with the base stage of described two triodes, under the control of exporting at the amplifier of described High-Speed Coupled Device 2, two triode alternations, two triodes are all the time in contrary "on" position, another cut-off of conducting.
Described fet switch group 4 is controlled by described push-pull circuit 3, comprise the first fet switch and the second fet switch, the output of described push-pull circuit 3 is connected with the base stage of this fet switch group, the operating state of two field effect transistor is identical, i.e. conducting simultaneously or disconnection simultaneously, control the next stage equipment be connected with described electrical switchgear.
Described High-Speed Coupled Device completes the conversion of electricity-light-electricity, and to play input and output be control system and the effect of being controlled the system electrical isolation, make electric signal transmission there is one-way, thereby there is good electrical isolation capabilities and antijamming capability, input due to described High-Speed Coupled Device is the low resistance element that belongs to current mode again, thereby there is very strong common mode inhibition capacity, can greatly improve signal to noise ratio; Introduce the push-pull type output stage in the electronic switch design, both improved the load capacity of circuit, improve again switching speed, the operating state switching of whole electronic switch is no more than 1 μ s; The alternation of two triodes can reduce conduction loss, effectively improves every pipe ability to bear; Described fet switch group can be by the electric current more than 100A, and therefore described electrical switchgear can guarantee the large current capacity of the system of being controlled.
Embodiment:
With reference to figure 3, demonstration drives at the moving iron type planar coil of stator of motor process that adopts electrical switchgear described in the utility model in distribution, in order to the function of electrical switchgear described in the utility model is described better.
Described moving iron type planar motor coil array power drive distributor mainly comprises moving iron type planar motor, drive array 16 and electrical switchgear 7; Described moving iron type planar motor comprises stator 13 and mover with matching 8, and stator 13 comprises the stator coil array 12 be comprised of 144 coils, and the mover lower surface is provided with magnetic steel array 9; Described electrical switchgear 15 is comprised of 144 identical switch elements 6; The stator of described moving iron type planar motor is divided into 9 zones, each zoning comprises operating state zone and transition state zone, in the coil array power drive distributor course of work, the operating state of 4 actuating coils of 16 pairs in running order regional 10 of demand motive device arrays and 12 transition coils of in an interim state regional 11 is controlled by electrical switchgear 15.
Described electrical switchgear 15 is connected drive array 16 by line cord 14 with stator coil array 12, each switch element is connected with a coil, described electronic equipment 15 was determined with being connected by control strategy of drive array 16, guarantee that each driver is connected with the coil of correspondence position in each zoning, and only corresponding with one coil of driver of synchronization is communicated with.
Described power module 1 power supply is to described High-Speed Coupled Device 2 and described push-pull circuit 3, and both power units are separate in power module, described High-Speed Coupled Device 2 comprises light-emitting diode, photodetector and amplifier three parts, upper level equipment is that drive array 16 input electrical signals are to described light-emitting diode, drive this light-emitting diode to send light signal, this optical signals photodetector receives and converts to the signal of telecommunication, and this signal of telecommunication exports push-pull circuit 3 to after described amplifier amplifies, described push-pull circuit 3 is recommended connected by two triodes, under the control of the amplifier of described High-Speed Coupled Device 2 output, and two triode alternations, two triodes are all the time in contrary "on" position, another cut-off of conducting, described fet switch group 4 is controlled by described push-pull circuit 3, comprise the first fet switch and the second fet switch, the operating state of two field effect transistor is identical, i.e. conducting simultaneously or disconnection simultaneously, controlling next stage equipment is stator coil array 12, thereby make the disconnection that is connected of the coil that exits transition state zone 11 and institute respective drivers, enter the coil in transition state zone 11 and connecting of institute's respective drivers, the coil that enters operating state zone 10 from transition state zone 11 switches to operating current from zero current, the coil current that enters into transition state zone 11 from operating state zone 10 switches to zero, to realize the power division of moving iron type planar motor coil array.
By above-mentioned steps, in the situation that guarantee the large current work of moving iron type planar motor coil, ensure the quick response of this motor to drive command, and the isolation on electric avoids driver to be subject to the interference of stator coil, guarantees the driver normal operation.
Claims (1)
1. an electrical switchgear, it is characterized in that, described equipment comprises m identical switch element, m=1,2,3,4,, this m switch element is parallel with one another, and each switch element comprises: power module (1), High-Speed Coupled Device (2), push-pull circuit (3) and fet switch group (4);
Described power module (1) power supply is to described High-Speed Coupled Device (2) and described push-pull circuit (3), and both power units are separate in power module (1);
Described High-Speed Coupled Device (2) comprises light-emitting diode, photodetector and amplifier three parts, the upper level equipment input electrical signal be connected with described electrical switchgear is to described light-emitting diode, drive this light-emitting diode to send light signal, the described photodetector of this optical signals receives and converts to the signal of telecommunication, and this signal of telecommunication is output to push-pull circuit (3) after described amplifier amplifies;
Described push-pull circuit (3) comprises recommends two connected triodes, under the Current Control of exporting at the amplifier of described High-Speed Coupled Device (2), the power unit of described push-pull circuit (3) changes the base voltage of described two triodes, make two triode alternations, two triodes are all the time in contrary "on" position, another cut-off of conducting;
Described fet switch group (4) is by described push-pull circuit (3) output voltage control, comprise the first fet switch and the second fet switch, the operating state of two field effect transistor is identical, i.e. conducting simultaneously or disconnection simultaneously, control the next stage equipment be connected with described electrical switchgear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320382208 CN203368428U (en) | 2013-06-28 | 2013-06-28 | Electronic switch equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320382208 CN203368428U (en) | 2013-06-28 | 2013-06-28 | Electronic switch equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203368428U true CN203368428U (en) | 2013-12-25 |
Family
ID=49816140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320382208 Withdrawn - After Issue CN203368428U (en) | 2013-06-28 | 2013-06-28 | Electronic switch equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203368428U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103346767A (en) * | 2013-06-28 | 2013-10-09 | 清华大学 | Electronic switch device |
| CN103701403A (en) * | 2013-12-31 | 2014-04-02 | 清华大学 | Multichannel coil current switching device |
| CN103760795A (en) * | 2013-12-31 | 2014-04-30 | 清华大学 | Multi-channel coil current switching device based on broadcast communication |
-
2013
- 2013-06-28 CN CN 201320382208 patent/CN203368428U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103346767A (en) * | 2013-06-28 | 2013-10-09 | 清华大学 | Electronic switch device |
| CN103346767B (en) * | 2013-06-28 | 2016-03-30 | 清华大学 | A kind of electrical switchgear |
| CN103701403A (en) * | 2013-12-31 | 2014-04-02 | 清华大学 | Multichannel coil current switching device |
| CN103760795A (en) * | 2013-12-31 | 2014-04-30 | 清华大学 | Multi-channel coil current switching device based on broadcast communication |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131225 Effective date of abandoning: 20160330 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |