CN111192751A - Overload overtemperature protection device for high-voltage dust-collecting step-up transformer - Google Patents
Overload overtemperature protection device for high-voltage dust-collecting step-up transformer Download PDFInfo
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- CN111192751A CN111192751A CN202010138452.1A CN202010138452A CN111192751A CN 111192751 A CN111192751 A CN 111192751A CN 202010138452 A CN202010138452 A CN 202010138452A CN 111192751 A CN111192751 A CN 111192751A
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- 238000004891 communication Methods 0.000 claims abstract description 27
- 238000002955 isolation Methods 0.000 claims abstract description 23
- 239000000428 dust Substances 0.000 claims abstract description 19
- 238000001514 detection method Methods 0.000 claims abstract description 17
- 239000000523 sample Substances 0.000 claims abstract description 9
- 238000000746 purification Methods 0.000 abstract description 6
- 230000006378 damage Effects 0.000 abstract description 4
- 230000007774 longterm Effects 0.000 abstract description 2
- 239000003517 fume Substances 0.000 description 5
- 239000000779 smoke Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
- H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
- H02H5/047—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature using a temperature responsive switch
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/04—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for transformers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
- H01F2027/406—Temperature sensor or protection
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electrostatic Separation (AREA)
Abstract
The invention discloses an overload overtemperature protection device for a high-voltage dust collection step-up transformer. The low-voltage communication detection control system is connected with the high-voltage driving system through an electromagnetic isolation relay, the high-voltage transformer boosting system is connected with the dust collector structure through different high-voltage wires, the high-voltage driving system is electrically connected with the high-voltage transformer boosting system through a driving signal wire, and the temperature sensing component is arranged on a magnetic core of the high-voltage transformer. The device effectively ensures that the high-voltage boosting unit cannot be damaged due to overload high temperature in long-term use, improves the reliability of the purification system, adopts the temperature probe and the isolation controller for control between the low-voltage communication detection control system and the high-voltage dust collection system, and effectively removes the interference and damage of high-voltage pulse of the high-voltage circuit system on the low-voltage communication detection control system.
Description
Technical Field
The invention relates to an overload overtemperature protection device for a high-voltage dust-collecting booster transformer, which can be used in the technical field of oil fume purification systems.
Background
The oil smoke pollution belongs to sticky particles, and the traditional filter screen is not suitable for filtering oil smoke due to the fact that the traditional filter screen is easily blocked by oil stains, so that the oil smoke pollution can achieve satisfactory effects in the aspects of purification effect and service life by adopting high-voltage electrostatic adsorption.
However, when the high-voltage electrostatic oil fume purifier is used for a long time without cleaning and maintenance, the temperature of the step-up transformer can be gradually raised due to the fact that a large amount of oil stains are adsorbed by the dust collector unit, and if the temperature is continuously raised and cannot be effectively controlled, the high-voltage purification system is prone to failure.
When the high-voltage electrostatic oil fume purifier is used for a long time and is not cleaned, the dust collector unit can cause the electric power input to the dust collector unit by the transformer boosting unit to be gradually increased due to excessive oil dirt collection, the temperature of the boosting unit is increased along with the electric power, and the high-voltage driving system and the boosting unit can be possibly broken down due to the continuous increase of the temperature.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides an overload and overtemperature protection device for a high-voltage dust-collecting step-up transformer.
The purpose of the invention is realized by the following technical scheme: the utility model provides an overload overtemperature prote device for high-pressure collection dirt step-up transformer, this overload overtemperature prote device includes that low pressure communication detects control system, temperature-sensing part, high-pressure actuating system, electromagnetism isolation relay, high-pressure transformer and dust arrester structure, low pressure communication detects control system and passes through the electromagnetism isolation relay with high-pressure actuating system and be connected, and step-up system contains high-pressure transformer, and high-pressure transformer step-up system passes through the high-voltage line connection of difference with the dust arrester structure, and high-pressure actuating system passes through drive signal line electric connection with high-pressure transformer step-up system, and temperature-sensing part sets up on high-pressure transformer.
Preferably, the temperature sensing component is a temperature probe, and the temperature probe is in an external contact type.
Preferably, the low-voltage communication detection control system continuously collects temperature signals of the temperature sensing component in real time, can monitor the working temperature of the high-voltage transformer in real time, and cuts off a power supply circuit of the high-voltage driving system through the isolation controller when the temperature is too high.
Preferably, the electromagnetic isolation relay comprises a low-voltage control coil and a high-voltage load end, the low-voltage control coil is connected with the low-voltage communication detection control system, and the high-voltage load end is connected with the high-voltage driving system.
Preferably, the low-voltage communication detection control system judges whether the high-voltage transformer is overloaded or overheated according to the temperature collected by the temperature sensing component, and then sends a control signal to a control coil of the electromagnetic isolation relay: if the temperature is overheated, the control relay is switched off to cut off the power supply of the high-voltage driving system, and if the temperature is reduced after the power failure, the control relay is switched on to recover the power supply of the high-voltage driving system.
Preferably, the temperature is greater than or equal to 90 ℃, the relay is controlled to be switched off, the power supply of the high-voltage driving system is cut off, the temperature is reduced to 60 ℃ after the power failure, the relay is controlled to be switched on, and the power supply of the high-voltage driving system is recovered.
Preferably, the high-voltage transformer boosting system further comprises a high-voltage transformer and a high-voltage pack, the high-voltage pack is arranged at the output end of the high-voltage transformer, and the output end of the high-voltage transformer boosting system is the output end of the high-voltage pack.
Preferably, the output end of the high-voltage transformer boosting system is respectively connected with the dust collector structure through three high-voltage wires, the first high-voltage wire is HV0, the first high-voltage wire is 0V, the second high-voltage wire is HV1, the second high-voltage wire is half high voltage and 8KV, the third high-voltage wire is HV2, and the third high-voltage wire is highest high voltage and 11000 KV.
Preferably, the high voltage transformer step-up system comprises an output end, the high voltage driving system comprises an input end, and the output end of the high voltage transformer step-up system is electrically connected with the input end of the high voltage driving system.
The technical scheme of the invention has the advantages that: the device can monitor the temperature rise condition of the step-up transformer in the oil fume purification equipment at any time through the sensitive temperature probe, and the transformer is turned off to supply power when the temperature of the transformer is too high, so that the phenomenon that the oil fume purifier is not cleaned and maintained due to long-time continuous work, the load of the dust collector is increased, the load of the step-up transformer is increased, and the transformer is damaged due to the temperature rise is avoided.
The device simple structure, convenient operation, cost economy is fit for using widely in the industry.
Drawings
Fig. 1 is a schematic structural diagram of an overload and overtemperature protection device for a high-voltage dust-collecting step-up transformer according to the invention.
Detailed Description
Objects, advantages and features of the present invention will be illustrated and explained by the following non-limiting description of preferred embodiments. The embodiments are merely exemplary for applying the technical solutions of the present invention, and any technical solution formed by replacing or converting the equivalent thereof falls within the scope of the present invention claimed.
The invention discloses an overload overtemperature protection device for a high-voltage dust-collecting booster transformer, which comprises a low-voltage communication detection control system 1, a temperature sensing component 2, a high-voltage driving system 5, an electromagnetic isolation relay 4, a high-voltage transformer and a dust collector structure 6, as shown in figure 1.
The low pressure communication detects control system 1 and is connected through electromagnetic isolation relay 4 with high pressure actuating system 5, and specifically, low pressure communication detects control system 1 and is more sensitive to interference signal, low pressure communication detects control system 1 and includes signal output part, and low pressure communication detects control system 1 and passes through signal output part and is connected with the low pressure control coil of electromagnetic isolation relay 4, and high pressure actuating system 5 includes power input end, and high pressure actuating system 5 passes through power input end and is connected with the load end of electromagnetic isolation relay 4.
The electromagnetic isolation relay 4 is specifically an electromagnetic isolation control, the electromagnetic isolation relay 4 comprises a low-voltage control coil and a high-voltage load end, the low-voltage control coil is connected with the low-voltage communication detection control system 1, and the high-voltage load end is connected with the high-voltage driving system 5.
The high-voltage transformer boosting system 3 comprises a high-voltage transformer package and a high-voltage package, wherein the high-voltage package is arranged at the output end of the high-voltage transformer, and the output end of the high-voltage transformer boosting system 3 is the output end of the high-voltage package. The high voltage package is used for voltage stabilization and is a capacitor array. The high-voltage package includes three output, and the three output of high-voltage package and dust arrester structure electrical connection.
The high-voltage driving system 5 is electrically connected with the high-voltage transformer boosting system 3 through a driving signal line, the high-voltage transformer boosting system 3 is connected with the dust collector structure 6 through different high-voltage lines, specifically, in the technical scheme, the output end of the high-voltage transformer boosting system 3 is respectively connected with the dust collector structure 6 through three high-voltage lines, the first high-voltage line is HV0, the first high-voltage line is 0V, the second high-voltage line is HV1, the second high-voltage line is half high voltage and is 8KV, the third high-voltage line is HV2, and the third high-voltage line is highest high voltage and is 11000 KV. The high-voltage driving system 5 is electrically connected to the high-voltage transformer boosting system 3, and specifically, in the present technical solution, an output end of the high-voltage transformer boosting system 3 is electrically connected to an input end of the high-voltage driving system 5.
Temperature sensing part 2 sets up on high voltage transformer's magnetic core, in this technical scheme, temperature sensing part 2 is preferred to be temperature probe, and temperature probe is external contact, can effectively block interference and destruction of high voltage pulse to the system in the actual work process, does not have electrical signal connection for gather temperature signal, and the working method belongs to thermoelectric conversion, does not intervene the connection of high voltage circuit signal, has avoided the high voltage pulse among the high voltage system to pass through the signal of telecommunication interference and damages low pressure communication monitoring control system.
The low-voltage communication detection control system continuously collects the temperature signal of the temperature sensing component 2 in real time, so that the working temperature of the high-voltage transformer can be monitored in real time, when the temperature is too high, specifically, the temperature rises to be more than or equal to 90 ℃, and the low-voltage communication detection control system cuts off a power supply circuit of the high-voltage driving system through the isolation controller so as to protect the boosting system of the high-voltage transformer from being burnt out by high temperature. When the temperature is reduced, particularly when the temperature falls back to less than or equal to 60 ℃, the low-voltage communication detection control system switches on a power supply circuit of the high-voltage driving system through the isolation controller, and the purifying equipment starts dust removal. Specifically, in this technical solution, the low-voltage communication detection control system 1 determines whether the high-voltage transformer 3 is overloaded or overheated according to the temperature collected by the temperature sensing component 2, and then sends a control signal to the control coil of the electromagnetic isolation relay 4: and if the temperature is more than or equal to 90 ℃, the relay is controlled to be disconnected, and the power supply of the high-voltage driving system 5 is cut off. And if the temperature falls back to be less than or equal to 60 ℃ after the power failure, the relay is controlled to be switched on, and the power supply of the high-voltage driving system 5 is recovered.
The device effectively ensures that the high-voltage boosting unit is not damaged due to overload high temperature in long-term use, improves the reliability of the purification system, adopts the temperature probe and the isolation controller for control between the low-voltage communication detection control system and the high-voltage dust collection system, effectively removes the interference and damage of high-voltage pulse of the high-voltage circuit system on the low-voltage communication detection control system, greatly improves the reliability of communication control, reduces the production cost of products, and is suitable for industrial popularization and use.
The invention has various embodiments, and all technical solutions formed by adopting equivalent transformation or equivalent transformation are within the protection scope of the invention.
Claims (9)
1. The utility model provides an overload overtemperature prote device for high pressure collection dirt step up transformer which characterized in that: this overload overtemperature protection device includes that low pressure communication detects control system (1), temperature-sensing part (2), high-voltage drive system (5), electromagnetism isolation relay (4), high voltage transformer (3) and dust arrester structure (6), low pressure communication detects control system (1) and is connected through electromagnetism isolation relay (4) with high-voltage drive system (5), and boost system (3) contain high voltage transformer, and high voltage transformer boost system (3) are connected through the high-tension line of difference with dust arrester structure (6), and high voltage drive system (5) and high voltage transformer boost system (3) pass through drive signal line electric connection, and temperature-sensing part (2) set up on high voltage transformer's magnetic core.
2. The overload overtemperature protection device for the high-voltage dust-collecting step-up transformer as claimed in claim 1, is characterized in that: the temperature sensing component (2) is a temperature probe, and the temperature probe is in an external contact type.
3. The overload overtemperature protection device for the high-voltage dust-collecting step-up transformer as claimed in claim 2, is characterized in that: the low-voltage communication detection control system continuously collects temperature signals of the temperature sensing component (2) in real time, can monitor the working temperature of the high-voltage transformer in real time, and cuts off a power supply circuit of the high-voltage driving system through the isolation controller when the temperature is too high.
4. The overload overtemperature protection device for the high-voltage dust-collecting step-up transformer as claimed in claim 1, is characterized in that: the electromagnetic isolation relay (4) comprises a low-voltage control coil and a high-voltage load end, the low-voltage control coil is connected with the low-voltage communication detection control system (1), and the high-voltage load end is connected with the high-voltage driving system (5).
5. The overload overtemperature protection device for the high-voltage dust-collecting step-up transformer as claimed in claim 1, is characterized in that: the low-voltage communication detection control system (1) judges whether the high-voltage transformer (3) is overloaded or overheated according to the temperature collected by the temperature sensing component (2), and then sends a control signal to a control coil of the electromagnetic isolation relay (4): if the temperature is overheated, the control relay is switched off to cut off the power supply of the high-voltage driving system (5), and if the temperature is reduced after the power failure, the control relay is switched on to recover the power supply of the high-voltage driving system (5).
6. The overload overtemperature protection device for the high-voltage dust-collecting step-up transformer as claimed in claim 5, is characterized in that: and when the temperature is more than or equal to 90 ℃, the relay is controlled to be switched off, the power supply of the high-voltage driving system (5) is cut off, the temperature is reduced to fall back to 60 ℃ after the power failure, the relay is controlled to be switched on, and the power supply of the high-voltage driving system (5) is recovered.
7. The overload overtemperature protection device for the high-voltage dust-collecting step-up transformer as claimed in claim 1, is characterized in that: the high-voltage transformer boosting system further comprises a high-voltage transformer and a high-voltage pack, the high-voltage pack is arranged at the output end of the high-voltage transformer, and the output end of the high-voltage transformer boosting system is the output end of the high-voltage pack.
8. The overload overtemperature protection device for the high-voltage dust-collecting step-up transformer as claimed in claim 1, is characterized in that: the output end of the high-voltage transformer boosting system (3) is respectively connected with the dust collector structure (6) through three high-voltage wires, the first high-voltage wire is HV0, the first high-voltage wire is 0V, the second high-voltage wire is HV1, the second high-voltage wire is half high voltage and 8KV, the third high-voltage wire is HV2, and the third high-voltage wire is the highest high voltage and 11000 KV.
9. The overload overtemperature protection device for the high-voltage dust-collecting step-up transformer as claimed in claim 1, is characterized in that: the high-voltage transformer boosting system (3) comprises an output end, the high-voltage driving system comprises an input end, and the output end of the high-voltage transformer boosting system (3) is electrically connected with the input end of the high-voltage driving system (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010138452.1A CN111192751A (en) | 2020-03-03 | 2020-03-03 | Overload overtemperature protection device for high-voltage dust-collecting step-up transformer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010138452.1A CN111192751A (en) | 2020-03-03 | 2020-03-03 | Overload overtemperature protection device for high-voltage dust-collecting step-up transformer |
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| CN111192751A true CN111192751A (en) | 2020-05-22 |
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| CN202010138452.1A Pending CN111192751A (en) | 2020-03-03 | 2020-03-03 | Overload overtemperature protection device for high-voltage dust-collecting step-up transformer |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000042446A (en) * | 1998-07-30 | 2000-02-15 | Nippon Air Filter Kk | Control circuit of electric precipitator |
| KR20000011346U (en) * | 1998-12-01 | 2000-07-05 | 구자홍 | Overheat prevention device of high voltage transformer |
| CN203227564U (en) * | 2013-04-26 | 2013-10-09 | 广东美的制冷设备有限公司 | Handheld-type air cleaning device |
| CN106403062A (en) * | 2016-10-28 | 2017-02-15 | 北京航天新风机械设备有限责任公司 | Intelligent automatic-cleaning electrostatic dust collection type air purifier |
| CN107774450A (en) * | 2017-11-21 | 2018-03-09 | 北京航天新风机械设备有限责任公司 | A kind of electrostatic precipitation formula air purifier control circuit |
| CN212136223U (en) * | 2020-03-03 | 2020-12-11 | 苏州贝艾尔净化科技有限公司 | Overload overtemperature protection device for high-voltage dust-collecting step-up transformer |
-
2020
- 2020-03-03 CN CN202010138452.1A patent/CN111192751A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000042446A (en) * | 1998-07-30 | 2000-02-15 | Nippon Air Filter Kk | Control circuit of electric precipitator |
| KR20000011346U (en) * | 1998-12-01 | 2000-07-05 | 구자홍 | Overheat prevention device of high voltage transformer |
| CN203227564U (en) * | 2013-04-26 | 2013-10-09 | 广东美的制冷设备有限公司 | Handheld-type air cleaning device |
| CN106403062A (en) * | 2016-10-28 | 2017-02-15 | 北京航天新风机械设备有限责任公司 | Intelligent automatic-cleaning electrostatic dust collection type air purifier |
| CN107774450A (en) * | 2017-11-21 | 2018-03-09 | 北京航天新风机械设备有限责任公司 | A kind of electrostatic precipitation formula air purifier control circuit |
| CN212136223U (en) * | 2020-03-03 | 2020-12-11 | 苏州贝艾尔净化科技有限公司 | Overload overtemperature protection device for high-voltage dust-collecting step-up transformer |
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