CN206235898U - A kind of temperature-control circuit and temperature control system for heavy oil electric heating - Google Patents
A kind of temperature-control circuit and temperature control system for heavy oil electric heating Download PDFInfo
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- CN206235898U CN206235898U CN201621197823.9U CN201621197823U CN206235898U CN 206235898 U CN206235898 U CN 206235898U CN 201621197823 U CN201621197823 U CN 201621197823U CN 206235898 U CN206235898 U CN 206235898U
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Abstract
The utility model belongs to field of electrical control, there is provided a kind of temperature-control circuit and temperature control system for heavy oil electric heating, the temperature-control circuit includes multiple electric heaters, multiple A.C. contactors, one power regulating eqiupment, and the joint control module being connected with the input of power regulating eqiupment, joint control module makes some or all of heating of multiple electric heaters by controlling multiple A.C. contactors, and controls power regulating eqiupment out of service when the temperature of at least one electric heater reaches preset value so that electric heater stops heating.Thus achieving multiple electric heaters being heated by only need a power regulating eqiupment, its electrical structure is simple, greatly reduces production cost；And disconnect the heating to whole electric heaters automatically when the temperature of at least one electric heater reaches preset value, it is to avoid unnecessary loss.
Description
Technical field
The utility model belongs to field of electrical control, more particularly to a kind of temperature-control circuit for heavy oil electric heating
And temperature control system.
Background technology
Currently, now for three electric heaters of melting furnaces heavy oil electric heating, each electric heater is required for individually using one
Individual power regulating eqiupment is heated, and is so accomplished by using three power regulating eqiupments, relatively costly, and cannot be in the temperature mistake of electric heater
Automatically the heating to electric heater is disconnected when high, electric heater is easily burnt out.
Therefore, cannot be realized in the existing temperature control technology for heavy oil electric heating only need a power regulating eqiupment by it is right
Multiple electric heaters are heated, and cannot automatically be disconnected when the temperature of electric heater is too high the heating of electric heater is led
Cause the easy problem for burning out electric heater.
Utility model content
The utility model purpose is to provide a kind of temperature regulation circuit and humidity control system for heavy oil electric heating,
Aim to solve the problem that and cannot realize in the existing temperature control technology for heavy oil electric heating and only need by a power regulating eqiupment to multiple
Electric heater is heated, and cannot automatically be disconnected when the temperature of electric heater is too high to the heating of electric heater cause hold
The problem of easy burn-out electric heater.
The utility model provides a kind of temperature-control circuit for heavy oil electric heating, and the temperature-control circuit includes
Multiple electric heaters, multiple A.C. contactors, a power regulating eqiupment, and the joint control mould being connected with the input of the power regulating eqiupment
Block；
Multiple electric heaters correspond with the first connection end of multiple A.C. contactors be connected respectively, many
Second connection end of the individual A.C. contactor corresponds with multiple output ends of the power regulating eqiupment be connected respectively；
The joint control module makes multiple electric heaters some or all of by controlling multiple A.C. contactors
Heating, and control the power regulating eqiupment out of service so that multiple when the temperature of electric heater described at least one reaches preset value
The wholly off heating of electric heater.
The utility model additionally provides a kind of temperature control system for heavy oil electric heating, the temperature control system bag
Include temperature-control circuit as described above.
The utility model provides a kind of temperature-control circuit and temperature control system for heavy oil electric heating, the temperature
Control circuit includes multiple electric heaters, multiple A.C. contactors, a power regulating eqiupment, and be connected with the input of power regulating eqiupment
Joint control module, joint control module makes some or all of heating of multiple electric heaters by controlling multiple A.C. contactors, and extremely
Control power regulating eqiupment is out of service so that the electric heater stops heating when the temperature of a few electric heater reaches preset value.By
This realizing by only need a power regulating eqiupment and multiple electric heaters being heated, and its electrical structure is simple, greatly reduces life
Produce cost；And disconnect the heating to whole electric heaters automatically when the temperature of at least one electric heater reaches preset value,
Unnecessary loss is avoided, to solve realize in the existing temperature control technology for heavy oil electric heating only needs one
Power regulating eqiupment can be heated to multiple electric heaters, and cannot automatically be disconnected when the temperature of electric heater is too high and added to electric
The heating of hot device causes easily to burn out the problem of electric heater.
Brief description of the drawings
A kind of structural representation of temperature-control circuit for heavy oil electric heating that Fig. 1 is provided for the utility model embodiment
Figure.
A kind of electrical principle of temperature-control circuit for heavy oil electric heating that Fig. 2 is provided for the utility model embodiment
Figure.
Specific embodiment
In order that the technical problems to be solved in the utility model, technical scheme and beneficial effect become more apparent, below
With reference to drawings and Examples, the utility model is further elaborated.It should be appreciated that specific implementation described herein
Example is only used to explain the utility model, is not used to limit the utility model.
Fig. 1 shows a kind of knot of temperature-control circuit for heavy oil electric heating that the utility model embodiment is provided
Structure, for convenience of description, illustrate only the part related to the embodiment of the present invention, and details are as follows：
A kind of temperature-control circuit for heavy oil electric heating, the temperature-control circuit includes multiple electric heaters 103, many
Individual A.C. contactor 102, a power regulating eqiupment 101, and the joint control module 104 being connected with the input of power regulating eqiupment 101.
Multiple electric heaters 103 correspond with the first connection end of multiple A.C. contactors 102 be connected respectively, multiple
Second connection end of A.C. contactor 102 corresponds with multiple output ends of power regulating eqiupment 101 be connected respectively.
By controlling multiple A.C. contactors 102 to make, multiple electric heaters 103 are some or all of to be added joint control module 104
Heat, and control the power regulating eqiupment 101 out of service so that whole when the temperature of at least one electric heater 103 reaches preset value
Electric heater 103 stops heating.
Fig. 2 shows a kind of the electric of temperature-control circuit for heavy oil electric heating that the utility model embodiment is provided
Principle, for convenience of description, illustrate only the part related to the embodiment of the present invention, and details are as follows：
Multiple A.C. contactors include the first A.C. contactor KM1, the second A.C. contactor KM2 and the 3rd ac contactor
Device KM3, joint control module 104 includes start unit 1041 and cut-off unit 1042, and the start unit 1041 includes：
For the first A.C. contactor starting switch KM1 ' for closing the first A.C. contactor KM1, for making the second friendship
3rd friendship of the second A.C. contactor starting switch KM2 ' and the 3rd A.C. contactor the KM3 closure of stream contactor KM2 closures
Stream Contactor Starting switch KM3 '；
The first normally closed switch SB1 being connected with the first end of the first A.C. contactor starting switch KM1 '；
The second normally closed switch SB2 being connected with the first end of the second A.C. contactor starting switch KM2 '；
The 3rd normally closed switch SB3 being connected with the first end of the 3rd A.C. contactor starting switch KM3 '；
The first ac contactor coil KM1-1 being connected with second end of the first A.C. contactor starting switch KM1 '；
The second ac contactor coil KM2-1 being connected with second end of the second A.C. contactor starting switch KM2 '；
The 3rd ac contactor coil KM3-1 being connected with second end of the 3rd A.C. contactor starting switch KM3 '；
The first reset switch SB4 being connected in parallel with the first A.C. contactor starting switch KM1 '；
The second reset switch SB5 being connected in parallel with the second A.C. contactor starting switch KM2 '；
The 3rd reset switch SB6 being connected in parallel with the 3rd A.C. contactor starting switch KM3 '；
Wherein, the first normally closed switch SB1, the second normally closed switch SB2 and the 3rd normally closed switch SB3 connect power regulating eqiupment simultaneously
101 input.
Multiple electric heaters 103 include the first electric heater MS1, the second electric heater MS2 and the 3rd electric heater
MS3, the cut-off unit 1042 includes：
The first temperature detect switch (TDS) T1 that temperature according to the first electric heater MS1 is acted；
The second temperature detect switch (TDS) T2 that temperature according to the second electric heater MS2 is acted；
The 3rd temperature detect switch (TDS) T3 that temperature according to the 3rd electric heater MS3 is acted；
The first AC contact control switch KM1 being connected with the first end of the first temperature detect switch (TDS) T1 "；
The second AC contact control switch KM2 being connected with the first end of the second temperature detect switch (TDS) T2 "；
The 3rd AC contact control switch KM3 being connected with the first end of the 3rd temperature detect switch (TDS) T3 "；
Of the second end, second end of the second temperature detect switch (TDS) T2 and the 3rd temperature detect switch (TDS) T3 with the first temperature detect switch (TDS) T1
First auxiliary reclay coil KA1-1 of two ends connection；
Change-over switch SA1；
It is connected with change-over switch, the breakdown switch ZCA responded when power regulating eqiupment 101 breaks down；
It is connected with breakdown switch OCA, according to the first auxiliary reclay that the first auxiliary reclay coil KA1-1 is acted
Switch KA1；
It is connected with the first auxiliary reclay switch KA1, the second auxiliary reclay coil that control power regulating eqiupment 101 is stopped
KA2-1。
Used as the embodiment of the utility model one, the temperature-control circuit that this kind is used for heavy oil electric heating may also include temperature controller
Table, the temperature control instrument checks the outlet heavy oil temperature of multiple heaters by temp probe, and is actually needed heating with setting
To temperature contrasted.Meanwhile, the temperature control instrument adjusts the control signal for exporting 4MA~20MA to Power Regulation by intelligent PID
Device, so as to realize automatically adjusting the effect of the watt level of power regulating eqiupment.
Below in conjunction with Fig. 2, the operation principle to a kind of temperature-control circuit for heavy oil electric heating is described：
First, close breaker 3DK, then presses the first reset switch SB4, and now the first reset switch SB4 two ends obtain
Electricity, therefore the first A.C. contactor starting switch KM1 ' being connected in parallel with the first reset switch SB4 obtains electric so that the first exchange
Loop conducting where contactor coil KM1-1, then the first A.C. contactor KM1 closures, such power regulating eqiupment 101 is begun to the
One electric heater MS1 is heated.Similarly, in a manner mentioned above it is also possible that 101 couples of the second electric heater MS2 of power regulating eqiupment
Heated with the 3rd electric heater MS3.It is thereby achieved that being added to multiple electric heaters by only needing a power regulating eqiupment
Heat, its electrical structure is simple, greatly reduces production cost.
Secondly, when the temperature of wherein one or more in multiple electric heaters 103 reaches preset value, for example：First
When the temperature of electric heater MS1 reaches 150 °, then the first temperature detect switch (TDS) T1 starts action so that the first exchange of closure originally connects
Tentaculum controlling switch KM1 " time delay adhesives, and then cause that the first auxiliary reclay coil KA1-1 controls the first auxiliary reclay to open
Close KA1 to disconnect, the second auxiliary reclay coil KA2-1 being at this moment connected with the first auxiliary reclay switch KA1 controls to adjust immediately
Work(device 101 is stopped, so that multiple electric heaters 103 are stopped simultaneously.Meanwhile, when power regulating eqiupment 101 breaks down
When, breakdown switch OCA pulls up a horse and responds, again such that the second auxiliary reclay coil KA2-1 controls power regulating eqiupment 101 to stop immediately
Only work.Thus achieve and disconnected to whole electric heaters automatically when the temperature of at least one electric heater reaches preset value
Heating, it is to avoid unnecessary loss.
Wherein, HR1 is the first electric heater MS1 work displays, and HR2 is the second electric heater MS2 work displays, and HR3 is
3rd electric heater MS3 work displays, HL1 is that the first electric heater MS1 stops display, and HL2 stops for the second electric heater MS2
It has been shown that, HL3 stops display for the 3rd electric heater MS3, and HR ' shows for power regulating eqiupment 101 works, and HL ' is that power regulating eqiupment 101 stops showing
Show.
The utility model embodiment provides a kind of temperature-control circuit and temperature control system for heavy oil electric heating,
The temperature-control circuit includes multiple electric heaters, multiple A.C. contactors, a power regulating eqiupment, and the input with power regulating eqiupment
The joint control module of connection, joint control module makes some or all of heating of multiple electric heaters by controlling multiple A.C. contactors,
And control power regulating eqiupment out of service so that the electric heater stops when the temperature of at least one electric heater reaches preset value
Heating.Thus achieving multiple electric heaters being heated by only need a power regulating eqiupment, its electrical structure is simple, drops significantly
Low production cost；And disconnected to whole electric heaters automatically when the temperature of at least one electric heater reaches preset value
Heating, it is to avoid unnecessary loss, solves and cannot realize only in the existing temperature control technology for heavy oil electric heating
Needing a power regulating eqiupment can heat to multiple electric heaters, and cannot automatically be disconnected when the temperature of electric heater is too high
Heating to electric heater causes easily to burn out the problem of electric heater.
Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the utility model, it is all at this
Any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (4)
1. a kind of temperature-control circuit for heavy oil electric heating, it is characterised in that the temperature-control circuit includes multiple electricity
Heater, multiple A.C. contactors, a power regulating eqiupment, and the joint control module being connected with the input of the power regulating eqiupment；
Multiple electric heaters correspond with the first connection end of multiple A.C. contactors be connected respectively, Duo Gesuo
The second connection end for stating A.C. contactor is connected with multiple output ends one-to-one corresponding of the power regulating eqiupment respectively；
The joint control module makes multiple some or all of heating of the electric heater by controlling multiple A.C. contactors,
And control the power regulating eqiupment out of service when the temperature of electric heater described at least one reaches preset value so that multiple described
The wholly off heating of electric heater.
2. temperature-control circuit as claimed in claim 1, it is characterised in that multiple A.C. contactors include the first exchange
Contactor KM1, the second A.C. contactor KM2 and the 3rd A.C. contactor KM3, the joint control module include start unit and cut
Stop element, the start unit includes：
For the first A.C. contactor starting switch KM1 ' for closing the first A.C. contactor KM1, for connecing the second exchange
3rd exchange of the second A.C. contactor starting switch KM2 ' and the 3rd A.C. contactor the KM3 closure of tentaculum KM2 closures connects
Tentaculum starting switch KM3 '；
The first normally closed switch SB1 being connected with the first end of the first A.C. contactor starting switch KM1 '；
The second normally closed switch SB2 being connected with the first end of the second A.C. contactor starting switch KM2 '；
The 3rd normally closed switch SB3 being connected with the first end of the 3rd A.C. contactor starting switch KM3 '；
The first ac contactor coil KM1-1 being connected with second end of the first A.C. contactor starting switch KM1 '；
The second ac contactor coil KM2-1 being connected with second end of the second A.C. contactor starting switch KM2 '；
The 3rd ac contactor coil KM3-1 being connected with second end of the 3rd A.C. contactor starting switch KM3 '；
The first reset switch SB4 being connected in parallel with the first A.C. contactor starting switch KM1 '；
The second reset switch SB5 being connected in parallel with the second A.C. contactor starting switch KM2 '；
The 3rd reset switch SB6 being connected in parallel with the 3rd A.C. contactor starting switch KM3 '；
Wherein, the first normally closed switch SB1, the second normally closed switch SB2 and the 3rd normally closed switch SB3 connect simultaneously
The input of the power regulating eqiupment.
3. temperature-control circuit as claimed in claim 2, it is characterised in that multiple electric heaters include the first electrical heating
Device MS1, the second electric heater MS2 and the 3rd electric heater MS3, the cut-off unit include：
The first temperature detect switch (TDS) T1 that temperature according to the first electric heater MS1 is acted；
The second temperature detect switch (TDS) T2 that temperature according to the second electric heater MS2 is acted；
The 3rd temperature detect switch (TDS) T3 that temperature according to the 3rd electric heater MS3 is acted；
The first AC contact control switch KM1 being connected with the first end of the first temperature detect switch (TDS) T1 "；
The second AC contact control switch KM2 being connected with the first end of the second temperature detect switch (TDS) T2 "；
The 3rd AC contact control switch KM3 being connected with the first end of the 3rd temperature detect switch (TDS) T3 "；
The second end, second end of the second temperature detect switch (TDS) T2 and the 3rd temperature control with the first temperature detect switch (TDS) T1 are opened
Close the first auxiliary reclay coil KA1-1 of the second end connection of T3；
Change-over switch SA1；
It is connected with the change-over switch, the breakdown switch OCA responded when the power regulating eqiupment breaks down；
Be connected with the breakdown switch OCA, according to the first auxiliary reclay coil KA1-1 acted first in the middle of after
Electric switch KA1；
It is connected with first auxiliary reclay switch KA1, the second auxiliary reclay line for controlling the power regulating eqiupment to be stopped
Circle KA2-1.
4. a kind of temperature control system for heavy oil electric heating, it is characterised in that the temperature control system includes such as right
It is required that the temperature-control circuit described in any one of 1-3.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621197823.9U CN206235898U (en) | 2016-11-04 | 2016-11-04 | A kind of temperature-control circuit and temperature control system for heavy oil electric heating |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621197823.9U CN206235898U (en) | 2016-11-04 | 2016-11-04 | A kind of temperature-control circuit and temperature control system for heavy oil electric heating |
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| CN206235898U true CN206235898U (en) | 2017-06-09 |
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| CN201621197823.9U Active CN206235898U (en) | 2016-11-04 | 2016-11-04 | A kind of temperature-control circuit and temperature control system for heavy oil electric heating |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108759069A (en) * | 2018-08-01 | 2018-11-06 | 湖南智热技术股份有限公司 | Keep flowing out the method and device of fluid constant temperature when wide flow material flow mutation |
| CN108827016A (en) * | 2018-08-31 | 2018-11-16 | 内蒙古通威高纯晶硅有限公司 | A kind of synthetic furnace Heater Control System |
| CN114115386A (en) * | 2021-11-24 | 2022-03-01 | 湖南凯美特气体股份有限公司 | Electric heater control method, system and device |
-
2016
- 2016-11-04 CN CN201621197823.9U patent/CN206235898U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108759069A (en) * | 2018-08-01 | 2018-11-06 | 湖南智热技术股份有限公司 | Keep flowing out the method and device of fluid constant temperature when wide flow material flow mutation |
| CN108827016A (en) * | 2018-08-31 | 2018-11-16 | 内蒙古通威高纯晶硅有限公司 | A kind of synthetic furnace Heater Control System |
| CN108827016B (en) * | 2018-08-31 | 2024-07-09 | 内蒙古通威高纯晶硅有限公司 | Synthetic furnace heater control system |
| CN114115386A (en) * | 2021-11-24 | 2022-03-01 | 湖南凯美特气体股份有限公司 | Electric heater control method, system and device |
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