CN104577965B - The discharge protector of high pressure electric furnace - Google Patents
The discharge protector of high pressure electric furnace Download PDFInfo
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- CN104577965B CN104577965B CN201510041415.8A CN201510041415A CN104577965B CN 104577965 B CN104577965 B CN 104577965B CN 201510041415 A CN201510041415 A CN 201510041415A CN 104577965 B CN104577965 B CN 104577965B
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- heating
- sensing means
- electric furnace
- current sensing
- circuit
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Abstract
The embodiments of the invention provide a kind of discharge protector of high pressure electric furnace.Including：The heating circuit being made up of control circuit, current sensing means, switch and heating resistor unit, the current transformer of the current sensing means, current transformer output connects connection control circuit, and the switch is controlled by control circuit, the two ends of the switch connect high voltage power supply and heating resistor unit respectively；Described current sensing means, for detecting the current value in the heating circuit, when the current value fluctuates the threshold value more than setting, alert；Described switch, for after the current sensing means alert, disconnecting the heating circuit.The embodiment of the present invention in every heating circuit by setting switch and current sensing means, when in heating resistor unit some electrothermal device break down disconnection after, alarm signal, the power supply of timely cutoff high electric furnace can be sent in time, send alarm signal, it is ensured that the safety of high pressure electric furnace system.
Description
Technical field
The present invention relates to high pressure electric furnace technical field, more particularly to a kind of discharge protector of high pressure electric furnace.
Background technology
High pressure electric furnace refers to the high pressure electric furnace of 6KV and 10KV voltage class, if the hair of high pressure electric furnace in use
Heating wire broken string in thermal, can produce electrion at broken string, and produce excessive temperature, by the storage bodies of high pressure electric furnace
Melt, if it find that not in time body of heater can be burnt down, produce extremely serious consequence.
The content of the invention
The embodiment provides a kind of discharge protector of high pressure electric furnace, so as to protect the peace of high pressure electric furnace
Row for the national games.
A kind of discharge protector of high pressure electric furnace, including：It is made up of current sensing means, switch and heating resistor unit
Heating circuit, the two ends of the switch connect the high voltage power supply and heating resistor unit of the high pressure electric furnace respectively；
Described current sensing means, for detecting the current value in the heating circuit, when current value fluctuation is big
When the threshold value of setting, alert；
Described switch, for after the current sensing means alert, disconnecting the heating circuit.
Preferably, described device also includes controller, the controller and the switch, the connection of current sensing means circuit；
Described current sensing means, for when threshold value of the current value fluctuation more than setting in the heating circuit detected
When, to the controller alert；
Described controller, for receiving after the warning message that the current sensing means is sent, sends out to the switch
Go out shut-off instruction；
Described switch, for receiving after the shut-off instruction that the controller is sent, disconnects the heating circuit.
Preferably, the total quantity of the heating resistor unit is multiple, and each heating resistor unit is connected in series, often
The total quantity of heating resistor unit in the heating circuit of road is according to the maximum operating voltage and heating electric of each heating resistor unit
The total voltage on road is determined.
Preferably, each heating resistor unit includes multiple electrothermal devices being connected in parallel.
Preferably, the electrothermal device includes：Ribbon heater or heating wire or electrothermal tube.
Preferably, the current sensing means includes current transformer.
Preferably, described device includes three heating circuits, and every heating circuit connects the one of high pressure electric furnace respectively
Phase high voltage power supply, every heating circuit includes current sensing means, switch and heating resistor unit.
Preferably, described controller, for connecting respectively with the current sensing means in every heating circuit, on-off circuit
Connect, receive after the warning message that the current sensing means in any bar heating circuit is sended over, into every heating circuit
Switch send shut-off instruction, to disconnect all heating circuits.
The embodiment of the present invention passes through in every heating it can be seen from the technical scheme that embodiments of the invention described above are provided
Switch and current sensing means are set in circuit, when in heating resistor unit some electrothermal device break down disconnection after, can be with
Alarm signal is sent in time, the power supply of timely cutoff high electric furnace sends alarm signal, so as to ensure the two of heating resistor unit
Terminal voltage is not increased to more than 800V, it is ensured that whole high pressure electric furnace low pressure operation, it is ensured that the safety of high pressure electric furnace system.
The additional aspect of the present invention and advantage will be set forth in part in the description, and these will become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, being used required in being described below to embodiment
Accompanying drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this
For the those of ordinary skill of field, without having to pay creative labor, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is a kind of structure chart of the electro-heat equipment of high pressure electric furnace provided in an embodiment of the present invention；
Fig. 2 is the structure chart of the electro-heat equipment of another high pressure electric furnace provided in an embodiment of the present invention；
Fig. 3 is the structure chart of the electro-heat equipment of another high pressure electric furnace provided in an embodiment of the present invention；
In figure, heating resistor unit 1, switch 2, current sensing means 3 and controller 4.
Embodiment
Embodiments of the present invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, is only used for explaining the present invention, and is not construed as limiting the claims.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singulative " one " used herein, " one
It is individual ", " described " and "the" may also comprise plural form.It is to be further understood that what is used in the specification of the present invention arranges
Diction " comprising " refer to there is the feature, integer, step, operation, element and/or component, but it is not excluded that in the presence of or addition
Other one or more features, integer, step, operation, element, component and/or their group.It should be understood that when we claim member
Part is " connected " or during " coupled " to another element, and it can be directly connected or coupled to other elements, or can also exist
Intermediary element.In addition, " connection " used herein or " coupling " can include wireless connection or coupling.Wording used herein
"and/or" includes one or more associated any cells for listing item and all combined.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art
Language and scientific terminology) with the general understanding identical meaning with the those of ordinary skill in art of the present invention.Should also
Understand, those terms defined in such as general dictionary, which should be understood that, to be had and the meaning in the context of prior art
The consistent meaning of justice, and unless defined as here, will not be explained with idealization or excessively formal implication.
For ease of the understanding to the embodiment of the present invention, done below in conjunction with accompanying drawing by taking several specific embodiments as an example further
Explanation, and each embodiment does not constitute the restriction to the embodiment of the present invention.
The broken string electric discharge of high pressure electric furnace is solved the problems, such as, high pressure electric furnace low pressure operation carries out breaking protection to each heating unit,
So as to protect the body of heater of high pressure electric furnace not to be damaged.
The embodiments of the invention provide a kind of structural representation of the discharge protector of high pressure electric furnace as shown in figure 1, bag
Include the heating circuit being made up of heating resistor unit, switch, current sensing means, the output end connection of the current sensing means
The switch, the two ends of the switch connect high voltage power supply and heating resistor unit respectively.
Described current sensing means, for detecting the current value in the heating circuit, when current value fluctuation is big
When the threshold value of setting, alert, above-mentioned threshold value is according to the total voltage of heating circuit, per the heating in the heating circuit of road
The many factors such as the total quantity of resistance unit, the maximum operating voltage of each heating resistor unit, the performance parameter of high pressure electric furnace
And preset.
Described switch, for after the current sensing means alert, disconnecting the heating circuit.This
Disconnection process can disconnect switch and heating electric by hand after staff knows that current sensing means have issued warning message
Road.
High pressure electric furnace is become multiple low pressure electric furnace units and is in series by the embodiment of the present invention, the hair in a heating circuit
The total quantity of thermal resistance unit is multiple, and each heating resistor unit is connected in series, per the heating electric in the heating circuit of road
The total quantity for hindering unit is determined according to the maximum operating voltage of each heating resistor unit and the total voltage of heating circuit.Such as,
The maximum operating voltage of heating resistor unit is 400V.
Each heating resistor unit includes multiple electrothermal devices being connected in parallel, and the electrothermal device includes：Ribbon heater
Or heating wire or electrothermal tube.
The current sensing means is current transformer.
The structural representation of the discharge protector of another high pressure electric furnace provided in an embodiment of the present invention as shown in Fig. 2
Device described in Fig. 2 adds controller, the controller and the switch, the connection of current sensing means circuit.
Described current sensing means, for when threshold value of the current value fluctuation more than setting in the heating circuit detected
When, to the controller alert；
Described controller, for receiving after the warning message that the current sensing means is sent, sends out to the switch
Go out shut-off instruction；
Described switch, for receiving after the shut-off instruction that the controller is sent, disconnects the heating circuit.
Device described in Fig. 2 is realized after current sensing means have issued warning message, and system disconnects the hair automatically
Heater circuit, it is not necessary to manual intervention.
When in a heating resistor unit some electrothermal device break down disconnection after, electric current can be from the heating resistor unit
In other electrothermal devices flow through, because each electrothermal device is to be connected in parallel in unit, by the electric heater for disconnection of breaking down
After part is removed, other electrothermal devices will not be impacted.Electrothermal device in heating resistor unit breaks down after disconnection,
The both end voltage of the heating resistor unit will be raised, and the voltage at other heating resistor unit two ends in same heating circuit will drop
Low, the current value of whole heating circuit will reduce, after the current value fluctuation of whole heating circuit reaches the threshold value of setting, system
Whole heating circuit can be disconnected automatically, so as to ensure that the both end voltage of heating resistor unit is not increased to more than 800V, it is ensured that
Whole high pressure electric furnace low pressure operation.
The structural representation of the discharge protector of another high pressure electric furnace provided in an embodiment of the present invention as shown in figure 3,
Fig. 3 device includes three heating circuits, and every heating circuit connects a phase high voltage power supply of high pressure electric furnace, every respectively
Heating circuit includes current sensing means, switch and heating resistor unit.
Described controller, for being connected respectively with the current sensing means in every heating circuit, on-off circuit, is received
After the warning message sended over to the current sensing means in any bar heating circuit, the switch hair into every heating circuit
Go out shut-off instruction, to simultaneously switch off all heating circuits.
When have in heating resistor unit all the way ribbon heater (silk or pipe) R break down disconnection after, the difference meeting of each phase current
Change, current sensing means can send signal and inform which bar heating circuit breaks down, deenergization alarms to repair
Personnel repair.
In summary, the embodiment of the present invention works as hair by setting switch and current sensing means in every heating circuit
After some electrothermal device breaks down disconnection in thermal resistance unit, alarm signal, timely cutoff high electric furnace can be sent in time
Power supply, alarm signal is sent, so as to ensure that the both end voltage of heating resistor unit is not increased to more than 800V, it is ensured that whole
High pressure electric furnace low pressure operation, it is ensured that the safety of high pressure electric furnace system.
The discharge protector of the embodiment of the present invention ensure that after heating tape (silk or pipe) disconnection of breaking down that break point is not
High pressure is produced, so as to protect the body of heater of high pressure electric furnace not to be damaged.
One of ordinary skill in the art will appreciate that：Accompanying drawing be module in the schematic diagram of one embodiment, accompanying drawing or
Flow is not necessarily implemented necessary to the present invention.
As seen through the above description of the embodiments, those skilled in the art can be understood that the present invention can
Realized by the mode of software plus required general hardware platform.Understood based on such, technical scheme essence
On the part that is contributed in other words to prior art can be embodied in the form of software product, the computer software product
It can be stored in storage medium, such as ROM/RAM, magnetic disc, CD, including some instructions are to cause a computer equipment
(can be personal computer, server, or network equipment etc.) performs some of each of the invention embodiment or embodiment
Method described in part.
Each embodiment in this specification is described by the way of progressive, identical similar portion between each embodiment
Divide mutually referring to what each embodiment was stressed is the difference with other embodiment.Especially for device or
For system embodiment, because it is substantially similar to embodiment of the method, so describing fairly simple, related part is referring to method
The part explanation of embodiment.Apparatus and system embodiment described above is only schematical, wherein the conduct
The unit that separating component illustrates can be or may not be it is physically separate, the part shown as unit can be or
Person may not be physical location, you can with positioned at a place, or can also be distributed on multiple NEs.Can root
Some or all of module therein is factually selected to realize the purpose of this embodiment scheme the need for border.Ordinary skill
Personnel are without creative efforts, you can to understand and implement.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, the change or replacement that can be readily occurred in,
It should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with scope of the claims
It is defined.
Claims (3)
1. a kind of discharge protector of high pressure electric furnace, it is characterised in that including：By current sensing means, switch, controller and
The heating circuit of heating resistor unit composition, the two ends of the switch connect high voltage power supply and the heating of the high pressure electric furnace respectively
Resistance unit, the controller and the switch, the connection of current sensing means circuit；Described device includes three heating electrics
Road, every heating circuit connects a phase high voltage power supply of high pressure electric furnace respectively, every heating circuit include current sensing means,
Switch and heating resistor unit；
The total quantity of heating resistor unit in every heating circuit is multiple, and each heating resistor unit is connected in series,
Maximum operating voltage and heating per the total quantity of the heating resistor unit in the heating circuit of road according to each heating resistor unit
The total voltage of circuit determines that each heating resistor unit includes multiple electrothermal devices being connected in parallel；
Described current sensing means, for being fluctuated when the current value in the heating circuit detected during the threshold value more than setting,
To the controller alert, the threshold value is according to the total voltage of heating circuit, per the heating electric in the heating circuit of road
Hinder total quantity, the maximum operating voltage of each heating resistor unit and the performance parameter of high pressure electric furnace of unit and preset；
Described controller, for being connected respectively with the current sensing means in every heating circuit, on-off circuit, reception is taken office
After the warning message that current sensing means in one heating circuit is sended over, the switch into corresponding heating circuit is sent
Shut-off instruction；
Described switch, for receiving after the shut-off instruction that the controller is sent, disconnects corresponding heating circuit.
2. the discharge protector of high pressure electric furnace according to claim 1, it is characterised in that the electrothermal device includes：
Ribbon heater or heating wire or electrothermal tube.
3. the discharge protector of high pressure electric furnace according to claim 2, it is characterised in that the current sensing means bag
Include current transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510041415.8A CN104577965B (en) | 2015-01-27 | 2015-01-27 | The discharge protector of high pressure electric furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510041415.8A CN104577965B (en) | 2015-01-27 | 2015-01-27 | The discharge protector of high pressure electric furnace |
Publications (2)
| Publication Number | Publication Date |
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| CN104577965A CN104577965A (en) | 2015-04-29 |
| CN104577965B true CN104577965B (en) | 2017-10-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510041415.8A Active CN104577965B (en) | 2015-01-27 | 2015-01-27 | The discharge protector of high pressure electric furnace |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202978222U (en) * | 2012-12-18 | 2013-06-05 | 卢源 | High-voltage electric furnace discharge protector |
| CN104238411A (en) * | 2014-09-04 | 2014-12-24 | 辽宁中联能源科技有限公司 | Intelligent device for optimal control over energy storage electric furnace and control method |
-
2015
- 2015-01-27 CN CN201510041415.8A patent/CN104577965B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202978222U (en) * | 2012-12-18 | 2013-06-05 | 卢源 | High-voltage electric furnace discharge protector |
| CN104238411A (en) * | 2014-09-04 | 2014-12-24 | 辽宁中联能源科技有限公司 | Intelligent device for optimal control over energy storage electric furnace and control method |
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| Publication number | Publication date |
|---|---|
| CN104577965A (en) | 2015-04-29 |
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Effective date of registration: 20190711 Address after: 124000 Room 616, 6th Floor, Science and Technology Incubator, No. 30 Xingye Street, Xinglongtai District, Panjin City, Liaoning Province Patentee after: Pan Avid New Energy Technology (Panjin) Co., Ltd. Address before: 100027 SOHOB Block 2105, Sanlitun, Chaoyang District, Beijing Patentee before: Pan Asia new energy technology (Beijing) Co., Ltd. |