CN202772786U - Novel modularized current transformer device - Google Patents
Novel modularized current transformer device Download PDFInfo
- Publication number
- CN202772786U CN202772786U CN 201220466107 CN201220466107U CN202772786U CN 202772786 U CN202772786 U CN 202772786U CN 201220466107 CN201220466107 CN 201220466107 CN 201220466107 U CN201220466107 U CN 201220466107U CN 202772786 U CN202772786 U CN 202772786U
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- unsteady flow
- copper bar
- flow module
- capacitance
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Abstract
The present utility model discloses a novel modularized current transformer device. The device comprises a substrate, and a current transforming module, a copper bar, an absorption capacitor, a radiator and an output current detection mutual inductor arranged on the substrate; the current transforming module is connected with the absorption capacitor through the copper bar, the radiator is connected on the current transforming module, an insulation plate and an energy-storing capacitor set are arranged below the current transforming module; a switch relay, a discharge switch and a discharge resistor are arranged on the insulation plate; the insulation plate is provided with a fuse wire and a charging resistor; the energy-storing capacitor set can be divided into upper and lower layers, energy-storing capacitors of each layer are connected in series or in parallel through the copper bar; the current transforming module is provided with the output current detection mutual inductor, and the current transforming module is also connected with a capacitance detection device and a circuit detection module.
Description
Technical field
The utility model relates to a kind of novel modularized converter device.
Background technology
The device of current transformer mainly contains half control device (thyristor) and full control device (MOSFET, IGBT, IGCT etc.) at present, and uncontrollable diode is generally in order to make common rectifier.By thyristor or entirely control routine that device forms and hand over always that current transformer is divided into voltage-type and current mode two classes.The voltage-type current transformer is applicable to adopt against leading type full-control type device, and current source converter is applicable to adopt inverse-impedance type full-control type device.The full-controlled switch current transformer also can be realized the common switch regulating and controlling modes such as the control of step wave mode, pulse frequency modulated, is applied to multiple circuit conditions.
Because the limitation of the aspects such as manufacture craft and converter structure design, the unsteady flow module is general and the parasitic capacitance spacing distance is far away, produces thus stray inductance, affects the unsteady flow effect, increases loss.Leakage current easily enters into the power consumption equipments such as cable, motor winding by parasitic capacitance.In order to reduce current ripples that electronic switching device causes and noise etc., oneself is improved the switching speed of element, and also oneself improves voltage change ratio, but has also drawn relevant issues.Such as, the flip-flop of voltage to earth generates electromagnetic waves, and disturbs other electronic equipment etc.In addition, the unreasonable cabling mode of current transformer can cause that the circuit distributed constant changes, and forms standing wave and voltage surge is added existing power consumption equipment, causes simultaneously current density and magnetic density skewness.This can produce quite high spreading out and spread out, and in the short time high voltage is added to the part winding at the utmost point, causes winding insulation to worsen.Current transformer all must solve the heat dissipation problem that power device produces because of loss in the unsteady flow process, is operated in the temperature environment of permission to guarantee power device.Finding suitable cooling means, realize cheaply radiating mode, avoid current transformer bulky, all is the part that is worthy of consideration.
For improving above-mentioned shortcoming, can reduce switching speed, but this method has increased switching loss.Increase extra resonance or filter circuit and also can reduce impact, but increased complexity and the cost of manufacture of current transformer.
Summary of the invention
The purpose of this utility model provides a kind of electrical distance that can shorten unsteady flow itself and parasitic capacitance, reduces the modular current transformer of stray inductance.
For achieving the above object, the utility model is by the following technical solutions:
A kind of novel modularized converter device comprises unsteady flow module, copper bar, Absorption Capacitance, radiator, output electric current measure instrument transformer on substrate and the substrate; Described unsteady flow module is connected with Absorption Capacitance by copper bar, connects radiator on the unsteady flow module, is provided with insulation board and energy capacitance set below the unsteady flow module; Described insulation board is provided with switch relay, discharge switch and discharge resistance thereof; Described insulation board is provided with insurance fuse and charging resistor; Described energy capacitance set is divided into two-layer up and down, passes through the copper bar serial or parallel connection between the storage capacitor of each layer; Also be provided with the output electric current measure instrument transformer on the described unsteady flow module; Also connect a capacitance detecting device and an electric circuit inspection module on the described unsteady flow module, described capacitance detecting device is selected the electric circuit constitute by regulating circuit, transistor circuit, diode rectification and load; Described electric circuit inspection module comprises contact modules, both positive and negative polarity detection module and voltage strength detection module, described contact modules comprises two contact pins, described contact pin contacts respectively positive pole and the negative pole of circuit to be detected, described both positive and negative polarity detection module is connected with described contact modules, described voltage strength detection module is connected with described contact modules, and described voltage strength grade is corresponding with default range of voltage values.
Adopt the utility model of technique scheme, converter module structure by innovation is connected by copper bar Absorption Capacitance with the unsteady flow module, shortened the electrical distance of unsteady flow module and parasitic capacitance, greatly reduced stray inductance, reduced the wastage and guarantee power consumption equipment normal operation.Taken into full account the sense of current and cabling form in the converter structure design, improved ubiquitous eddy current effect phenomenon and reduced consequent stray loss.Adopt the copper bar connected mode, the kelvin effect degree greatly low rational modular construction in mill of neck has suppressed the generation that high value is spread out and spread out so that current density and magnetic density are evenly distributed rationally, has reduced the impact of overtension phenomenon on the winding insulating properties.In addition, the modular construction of optimization has improved circuit overcurrent and overvoltage capabilities, the Effective Raise power device life-span.In the situation that do not increase the current transformer volume, realized cheaply radiating mode, make current transformer steady operation in normal temperature range.Simultaneously, look attractive in appearanceization from the front for making current transformer, positive apparent direction is except fin place dress radiator fan, and other does not add any device.The current transformer four sides is without any sealing plate, so that ventilative heat radiation and loading and unloading.
Description of drawings
Figure l is front view of the present utility model.
Embodiment
As scheme shown in the l, a kind of novel modularized converter device comprises unsteady flow module 2, copper bar 3, Absorption Capacitance 4, radiator 5, output electric current measure instrument transformer 6 on substrate 1 and the substrate 1; Described unsteady flow module 2 is connected with Absorption Capacitance 4 by copper bar 3, connects radiator 5 on the unsteady flow module 2, is provided with insulation board 7 and energy capacitance set 8 below unsteady flow module 2; Described insulation board 7 is provided with switch relay 9, discharge switch 10 and discharge resistance 11 thereof; Described insulation board 7 is provided with insurance fuse 12 and charging resistor 13; Described energy capacitance set 8 is divided into two-layer up and down, passes through the copper bar serial or parallel connection between the storage capacitor of each layer; Also be provided with output electric current measure instrument transformer 6 on the described unsteady flow module 2; Also connect a capacitance detecting device 14 and an electric circuit inspection module 15 on the described unsteady flow module, described capacitance detecting device 14 is selected the electric circuit constitute by regulating circuit, transistor circuit, diode rectification and load; Described electric circuit inspection module 15 comprises contact modules, both positive and negative polarity detection module and voltage strength detection module, described contact modules comprises two contact pins, described contact pin contacts respectively positive pole and the negative pole of circuit to be detected, described both positive and negative polarity detection module is connected with described contact modules, described voltage strength detection module is connected with described contact modules, and described voltage strength grade is corresponding with default range of voltage values.
Need to prove, for the circuit connecting relation of the electric component mentioned, be technology well known to those of ordinary skill in the art in the utility model.What in addition, it will be appreciated that is, multiple modification, modification and additional embodiment all are possible, so all modification, revises and establish embodiment and all will regard as within the spiritual scope that is in the present patent application.
Claims (1)
1. novel modularized converter device, it is characterized in that: it comprises unsteady flow module, copper bar, Absorption Capacitance, radiator, output electric current measure instrument transformer on substrate and the substrate; Described unsteady flow module is connected with Absorption Capacitance by copper bar, connects radiator on the unsteady flow module, is provided with insulation board and energy capacitance set below the unsteady flow module; Described insulation board is provided with switch relay, discharge switch and discharge resistance thereof; Described insulation board is provided with insurance fuse and charging resistor; Described energy capacitance set is divided into two-layer up and down, passes through the copper bar serial or parallel connection between the storage capacitor of each layer; Also be provided with the output electric current measure instrument transformer on the described unsteady flow module; Also connect a capacitance detecting device and an electric circuit inspection module on the described unsteady flow module, described capacitance detecting device is selected the electric circuit constitute by regulating circuit, transistor circuit, diode rectification and load; Described electric circuit inspection module comprises contact modules, both positive and negative polarity detection module and voltage strength detection module, described contact modules comprises two contact pins, described contact pin contacts respectively positive pole and the negative pole of circuit to be detected, described both positive and negative polarity detection module is connected with described contact modules, described voltage strength detection module is connected with described contact modules, and described voltage strength grade is corresponding with default range of voltage values.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220466107 CN202772786U (en) | 2012-09-13 | 2012-09-13 | Novel modularized current transformer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220466107 CN202772786U (en) | 2012-09-13 | 2012-09-13 | Novel modularized current transformer device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202772786U true CN202772786U (en) | 2013-03-06 |
Family
ID=47779328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220466107 Expired - Fee Related CN202772786U (en) | 2012-09-13 | 2012-09-13 | Novel modularized current transformer device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202772786U (en) |
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2012
- 2012-09-13 CN CN 201220466107 patent/CN202772786U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130306 Termination date: 20130913 |