CN204633461U - Bottom convertor equipment - Google Patents
Bottom convertor equipment Download PDFInfo
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- CN204633461U CN204633461U CN201520351199.2U CN201520351199U CN204633461U CN 204633461 U CN204633461 U CN 204633461U CN 201520351199 U CN201520351199 U CN 201520351199U CN 204633461 U CN204633461 U CN 204633461U
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- bottom convertor
- input interface
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- storage battery
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Abstract
The utility model proposes a kind of bottom convertor equipment, comprising: bottom convertor; The emergency power system of bottom convertor, this system, comprising: storage battery and charging module; Motion control unit, motion control unit has direct current and exchanges input interface, exchanges output interface, direct current input interface is connected with storage battery, exchange input interface to be connected with utility grid, exchange output interface to be connected with the load of bottom convertor, motion control unit also comprises: frequency converter, is the alternating current that variable ratio frequency changer controls by the AC conversion of the direct current inputted from direct current input interface or the input of interchange input interface, and by exchanging output interface output; Control unit, when utility grid power-off, makes storage battery to direct current input interface input dc power, and controls frequency converter and carry out the conversion that direct current exchanges to variable ratio frequency changer, provides emergency power supply and speed governing by exchanging output interface for load.Bottom convertor equipment of the present utility model can provide emergency power supply, and also variable ratio frequency changer drives and main drives motor, the low and feature richness of cost.
Description
Technical field
The utility model relates to metallurgical technology field, particularly a kind of bottom convertor equipment.
Background technology
At present, bottom convertor main drive motor needs EPS as emergency power supply, that is: when after utility grid power-off, EPS can utilize inverter that the direct current of storage battery is converted to alternating current, then for the load relevant to bottom convertor provides emergency power supply.Because existing EPS product provides emergency power supply as independent current source to load, can not external control be participated in, not have the real-time speed regulating control function of bottom convertor main drive motor.Therefore, meet transmission and the control overflow of bottom convertor, just need separately to establish a set of control appliance, cost is higher.
Utility model content
The utility model is intended at least one of solve the problems of the technologies described above.
For this reason, the purpose of this utility model is to propose a kind of bottom convertor equipment.This equipment can provide emergency power supply for bottom convertor etc. on the one hand, and can drive motor to bottom convertor master carries out speed regulating control on the other hand, has the simple and advantage that cost is low of structure
To achieve these goals, the utility model discloses a kind of bottom convertor equipment, comprising: bottom convertor; With the emergency power system of bottom convertor, the emergency power system of described bottom convertor comprises: storage battery and charging module; Motion control unit, described motion control unit has direct current input interface, exchanges input interface and exchange output interface, described direct current input interface is connected with described storage battery, described interchange input interface is connected with utility grid, described interchange output interface is connected with the load of bottom convertor, wherein, described motion control unit also comprises: frequency converter, described frequency converter is used for be the alternating current that variable ratio frequency changer controls from the direct current of described direct current input interface input or the AC conversion of described interchange input interface input, and is exported by described interchange output interface; Control unit, described control unit is for the switching controlling described direct current input interface and exchange between input interface, when utility grid power-off, described control unit switches to described direct current input interface, to make described storage battery to described direct current input interface input dc power, and control described frequency converter and carry out the conversion that direct current exchanges to variable ratio frequency changer, then by described interchange output interface for load provides emergency power supply and speed governing.
According to bottom convertor equipment of the present utility model, on the one hand can provide emergency power supply for bottom convertor etc., can drive motor even load to bottom convertor master carries out speed regulating control on the other hand, has the simple and advantage that cost is low of structure.
In addition, above-mentioned according to the utility model bottom convertor equipment can also have following additional technical characteristic:
Further, the emergency power system of bottom convertor also comprises: ice storing time module, for detecting the dump energy of described storage battery, described charging module, when the dump energy of described storage battery is less than default electricity, controls charging device to described charge in batteries.
Further, the emergency power system of bottom convertor also comprises: alarm module, described alarm module and described control unit with exchange input interface and be connected, for when the electricity of described storage battery is not enough and/or utility grid power-off time, carry out alarm.
Further, described alarm module comprises voice guard and/or light crossing-signal.
Further, described frequency converter also comprises: control switch, and described control switch is used for switching between utility grid and storage battery.
Further, described control switch is hand control switch.
Further, described control switch is contactor, and described contactor is controlled by described control unit.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the structured flowchart of the emergency power system of the bottom convertor of bottom convertor equipment according to the utility model embodiment.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not being interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.
Below in conjunction with accompanying drawing description according to the electrode power control method of the electric furnace of the utility model embodiment and system.
Fig. 1 is the structured flowchart of the emergency power system of the bottom convertor of bottom convertor equipment according to the utility model embodiment.As shown in Figure 1, according to the emergency power system 100 of the bottom convertor of the bottom convertor equipment of the utility model embodiment, comprising: storage battery B, charging module 110 and motion control unit 120.
Wherein, motion control unit 120 has direct current input interface 121, exchanges input interface 122 and exchange output interface 123, direct current input interface 121 is connected with storage battery B, exchange input interface 122 to be connected with utility grid, interchange output interface 123 drives motor M even load with the master of bottom convertor and is connected, wherein, motion control unit 120 also comprises frequency converter 124 and control unit 125.
Frequency converter 124 is the alternating current that variable ratio frequency changer controls for the AC conversion direct current inputted from direct current input interface 121 or interchange input interface 122 inputted, and exports by exchanging output interface 123.Control unit 125 is for the switching controlling direct current input interface 121 and exchange between input interface 122, when utility grid power-off, control unit 125 controls frequency converter 124 and switches to direct current input interface 121, to make storage battery B to direct current input interface 121 input dc power, and control frequency converter 124 and carry out the conversion that direct current exchanges to variable ratio frequency changer, then provide emergency power supply and speed governing by exchanging output interface 123 for load.
According to the bottom convertor equipment of the utility model embodiment, on the one hand can provide emergency power supply for bottom convertor etc., can drive motor even load to bottom convertor master carries out speed regulating control on the other hand, has the simple and advantage that cost is low of structure.
In an embodiment of the present utility model, the emergency power system 100 of bottom convertor also comprises: ice storing time module (not shown in FIG.), ice storing time module is for detecting the dump energy of storage battery B, charging module 110, when the dump energy of storage battery B is less than default electricity, controls charging device (such as charger) accumulators B charging.Thus, this system easily for storage battery B charges, can ensure the flying power of the emergency power system of bottom convertor, for user provides convenience.
Further, the emergency power system 100 of this bottom convertor also comprises: alarm module (not shown in FIG.), alarm module and control unit 125 with exchange input interface 122 and be connected, for when the electricity of storage battery B is not enough and/or utility grid power-off time, carry out alarm.Thus user can be made to understand the situations such as the environment relevant to bottom convertor in time, and user can take measures in time, to ensure that bottom convertor runs normally.
In an embodiment of the present utility model, alarm module includes but not limited to: voice guard and/or light crossing-signal.Voice guard and/or light crossing-signal are but are not limited to loudspeaker and/or flashing lamp etc.Can effectively promote prompting effect, thus promote the Consumer's Experience of the emergency power system of bottom convertor.
In an embodiment of the present utility model, frequency converter 124 also comprises: control switch (not shown in FIG.), and control switch is used for switching between utility grid and storage battery B.
Such as: control switch is hand control switch, user can switch as required voluntarily, such as, after utility grid powers on, utility grid can be switched at any time, thus, facilitate user's choice for use utility grid or storage battery B as the power supply of the emergency power system of bottom convertor, promote the flexibility of the emergency power system of bottom convertor, there is higher versatility.
For another example: control switch is contactor, and contactor is controlled by control unit 125.Like this, when utility grid power-off, control unit 125 can automatically and be switched to storage battery power supply in time, otherwise, automatically can cut and be switched to utility grid in time and power, the automatization level of elevator system, reduce manual operation, there is higher reliability and fail safe.
The emergency power system of the bottom convertor of the bottom convertor equipment of the utility model embodiment utilize frequency converter can speed regulating control again can the characteristic of inversion, the inverter that existing EPS inside was used for alternating current-direct current inversion is originally replaced by frequency converter, continue as while inverter again as the RHVC of load (as bottom convertor main drive motor), present set of device is reduced into by two original covering devices, can repeated configuration be avoided, achieve the integration of device.In addition, in prior art, inverter only has a direct current input interface, and thus existing EPS needs to be first alternating current by the DC inverter device inversion of internal battery, then could use to load by out-put supply after being switched by ATSE and civil power.And after inverter is replaced by frequency converter, the DC power supply of normal civil power and storage battery can be accessed frequency converter simultaneously, thus decrease ATSE switching link.In addition, original and that EPS is irrelevant control unit is fused to EPS inside, and external control instruction directly can access the frequency converter of EPS inside by control unit.
According to the bottom convertor equipment of the utility model embodiment, on the one hand can provide emergency power supply for bottom convertor etc., can drive motor even load to bottom convertor master carries out speed regulating control on the other hand, has the simple and advantage that cost is low of structure.
In addition, according to the bottom convertor equipment of the utility model embodiment other form and effect be all known for a person skilled in the art, in order to reduce redundancy, do not repeat herein.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and aim, scope of the present utility model is by claim and equivalency thereof.
Claims (7)
1. a bottom convertor equipment, is characterized in that, comprising:
Bottom convertor; With
The emergency power system of bottom convertor, wherein, the emergency power system of described bottom convertor comprises:
Storage battery and charging module;
Motion control unit, described motion control unit has direct current input interface, exchanges input interface and exchange output interface, described direct current input interface is connected with described storage battery, described interchange input interface is connected with utility grid, described interchange output interface is connected with the load of bottom convertor, wherein, described motion control unit also comprises:
Frequency converter, described frequency converter is used for be the alternating current that variable ratio frequency changer controls from the direct current of described direct current input interface input or the AC conversion of described interchange input interface input, and is exported by described interchange output interface;
Control unit, described control unit is for the switching controlling described direct current input interface and exchange between input interface, when utility grid power-off, described control unit controls described frequency converter and switches to described direct current input interface, to make described storage battery to described direct current input interface input dc power, and control described frequency converter and carry out the conversion that direct current exchanges to variable ratio frequency changer, then by described interchange output interface for described load provides emergency power supply and speed governing.
2. bottom convertor equipment according to claim 1, is characterized in that, the emergency power system of described bottom convertor also comprises:
Ice storing time module, for detecting the dump energy of described storage battery, described charging module, when the dump energy of described storage battery is less than default electricity, controls charging device to described charge in batteries.
3. bottom convertor equipment according to claim 1, is characterized in that, the emergency power system of described bottom convertor also comprises:
Alarm module, described alarm module and described control unit with exchange input interface and be connected, for when the electricity of described storage battery is not enough and/or utility grid power-off time, carry out alarm.
4. bottom convertor equipment according to claim 3, is characterized in that, described alarm module comprises voice guard and/or light crossing-signal.
5. bottom convertor equipment according to claim 1, is characterized in that, described frequency converter also comprises: control switch, and described control switch is used for switching between utility grid and storage battery.
6. bottom convertor equipment according to claim 5, is characterized in that, described control switch is hand control switch.
7. bottom convertor equipment according to claim 5, is characterized in that, described control switch is contactor, and described contactor is controlled by described control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520351199.2U CN204633461U (en) | 2015-05-27 | 2015-05-27 | Bottom convertor equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520351199.2U CN204633461U (en) | 2015-05-27 | 2015-05-27 | Bottom convertor equipment |
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| CN204633461U true CN204633461U (en) | 2015-09-09 |
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| CN201520351199.2U Active CN204633461U (en) | 2015-05-27 | 2015-05-27 | Bottom convertor equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104852463A (en) * | 2015-05-27 | 2015-08-19 | 中国恩菲工程技术有限公司 | Bottom-blowing furnace equipment |
-
2015
- 2015-05-27 CN CN201520351199.2U patent/CN204633461U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104852463A (en) * | 2015-05-27 | 2015-08-19 | 中国恩菲工程技术有限公司 | Bottom-blowing furnace equipment |
| CN104852463B (en) * | 2015-05-27 | 2018-01-19 | 中国恩菲工程技术有限公司 | Bottom blowing furnace apparatus |
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