CN201416453Y - Mine ventilating system with electricity-saving function - Google Patents
Mine ventilating system with electricity-saving function Download PDFInfo
- Publication number
- CN201416453Y CN201416453Y CN2009201002579U CN200920100257U CN201416453Y CN 201416453 Y CN201416453 Y CN 201416453Y CN 2009201002579 U CN2009201002579 U CN 2009201002579U CN 200920100257 U CN200920100257 U CN 200920100257U CN 201416453 Y CN201416453 Y CN 201416453Y
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- frequency converter
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Abstract
The utility model relates to a mine ventilating system with an electricity-saving function, and aims to solve the problems of high power consumption caused by that the prior blower always runs according to maximal given wind production volume. In the system, a first control signal of a first interlocking circuit is used for controlling a first AC contactor, a second control signal is used for controlling a second AC contactor and a third AC contactor at the same time, the dynamic end of the second AC contactor is connected with a power source output end, the static end thereof is connected with a power source signal input end of a first frequency converter, the control signal output end of the first frequency converter is connected with the dynamic end of the third AC contactor, and the static end of the third AC contactor is connected with the power source input end of a primary fan; and a sampled signal output terminal of a first air pressure difference sensing transducer at the tailend of an on-site air duct in a laneway is connected with the air pressure difference signal input end of the first frequency converter. The utility model can be used as a mine ventilating system with an electricity-saving function.
Description
Technical field
The utility model relates to a kind of electricity saving function mining ventilation system that has.
Background technology
Mine ventilator is the capital equipment of mine ventilation system at present, is carried out the gas exchange by the air of pollutions such as dust, pernicious gas and outside air in the subsurface environment when it can be produced mine.Mine ventilator generally comprises main fan and auxilliary fan, and main fan is used for the ventilation of full mine, and auxilliary fan is used for the air quantity of ventilation network branch wind path to be regulated.The design that the power of motor of existing mine ventilator and blower fan produce air quantity is all set the peak demand of wind in 10 years by mine, when operation, adopt fixed operation frequently, air quantity is constant immutable, yet in use, variation along with multiple factor changes mine to the requirement of wind, as the length of mine early stage, mid-term tunnel progress, the actual conditions that produce every day, number, the temperature in four seasons that go into the well every day alternately change, the concentration of pernicious gas and on-the-spot actual wind regime etc.Produce the air quantity operation if press the maximum that mine ventilator sets all the time, certainly lead to too much power consumption, and can bring noise to exceed standard, disadvantage such as equipment failure rate is big.
The utility model content
The purpose of this utility model is to produce the big problem of power consumption that the air quantity operation is caused by the maximum of setting all the time in order to solve present mine ventilator, and a kind of electricity saving function mining ventilation system that has is provided.
The utility model comprises the main fan and first A.C. contactor, the moved end of first A.C. contactor connects power output end, the quiet end of first A.C. contactor connects the power input of main fan, it also comprises first interlock circuit, second A.C. contactor, first frequency converter, the first leeway sensing transducer of the on-the-spot wind path end in the 3rd A.C. contactor and tunnel, the first control signal output of first interlock circuit connects the control signal input of first A.C. contactor, the second control signal output of first interlock circuit connects the control signal input of second A.C. contactor and the control signal input of the 3rd A.C. contactor simultaneously, the moved end of second A.C. contactor connects power output end, the quiet end of second A.C. contactor connects the power supply signal input of first frequency converter, the control signal output of first frequency converter connects the moved end of the 3rd A.C. contactor, and the quiet end of the 3rd A.C. contactor connects the power input of main fan; The sampled signal output of the first leeway sensing transducer of the on-the-spot wind path end in tunnel connects the leeway signal input part of first frequency converter.
The utility model has the advantages that:
The first leeway sensing transducer of the on-the-spot wind path end in tunnel can be transformed into the signal of telecommunication with the actual wind regime at mine laneway scene and is transferred to frequency converter in the utility model, thereby frequency converter changes output frequency change mine ventilator master according to the signal that receives fans rotating speed of motor, and then the product air quantity of change mine ventilator master fan, the product air quantity is matched with on-the-spot actual demand, so not only ensured safety in production but also air quantity unnecessary controlled, reduced the consumption of electric energy, can economize on electricity 20%～60%, reach the purpose of energy-conserving and environment-protective.
Description of drawings
Fig. 1 is an overall structure schematic diagram of the present utility model.
The specific embodiment
The specific embodiment one: present embodiment is described below in conjunction with Fig. 1, present embodiment comprises main fan 1 and first A.C. contactor 11, the moved end of first A.C. contactor 11 connects power output end, the quiet end of first A.C. contactor 11 connects the power input of main fan 1, it is characterized in that it also comprises first interlock circuit 2, second A.C. contactor 12, first frequency converter 3, the first leeway sensing transducer 4 of the on-the-spot wind path end in the 3rd A.C. contactor 13 and tunnel, the first control signal output of first interlock circuit 2 connects the control signal input of first A.C. contactor 11, the second control signal output of first interlock circuit 2 connects the control signal input of second A.C. contactor 12 and the control signal input of the 3rd A.C. contactor 13 simultaneously, the moved end of second A.C. contactor 12 connects power output end, the quiet end of second A.C. contactor 12 connects the power supply signal input of first frequency converter 3, the control signal output of first frequency converter 3 connects the moved end of the 3rd A.C. contactor 13, and the quiet end of the 3rd A.C. contactor 13 connects the power input of main fan 1; The sampled signal output of the first leeway sensing transducer 4 of the on-the-spot wind path end in tunnel connects the leeway signal input part of first frequency converter 3.
Voltage signal that the first leeway sensing transducer 4 of the on-the-spot wind path end in tunnel converts air quantity actual in the mine or blast physical quantity to 1～10V or the current signal of 4～20mA are input to the sampled signal input of first frequency converter 3, make first frequency converter 3 drag main fan 1 work by the tend to act motor of main fan 1 of corresponding output, changed traditional mine ventilator master fan all the time with the state of oepration at full load, can make prolong 1 times the application life of main fan 1, reduce noise during operation more than 5 decibels.
The SVF3000 type frequency converter that first frequency converter 3 selects for use the dark river Electric Co., Ltd of SY3200 type frequency converter or Japan of Shenzhen day industry electric corporation production to produce; these two kinds of frequency converters itself all possess gentle start, gentlely shut down, defencive functions such as under-voltage, overvoltage, overheated, overload and phase shortage; guarantee the reliability service of main fan 1, reduced maintenance cost.
The specific embodiment two: the difference of present embodiment and embodiment one is that it comprises that also the signal output part of first keyboard, 5, the first keyboards 5 connects the manual control signal input of first frequency converter 3.Other composition and annexation are identical with embodiment one.
The output of first frequency converter 3 can manually be set by first keyboard 5, by alternately changing in conjunction with the length of mine early stage, mid-term tunnel progress, the actual conditions that produce every day, number, the temperature in four seasons that go into the well every day and the manually outputs of control first frequency converter 3 such as concentration of pernicious gas, the product air quantity of main fan 1 is matched with on-the-spot actual needs.
The specific embodiment three: present embodiment and embodiment one or twos' difference is that it also comprises the second leeway sensing transducer 9 of second interlock circuit 6, the 4th A.C. contactor 14, auxilliary fan the 7, the 5th A.C. contactor 15, second frequency converter 8, the on-the-spot branch of the 6th A.C. contactor 16 and tunnel wind path end, the moved end of the 4th A.C. contactor 14 connects power output end, and the quiet end of the 4th A.C. contactor 14 connects the power input of auxilliary fan 7; The first control signal output of second interlock circuit 6 connects the control signal input of the 4th A.C. contactor 14, the second control signal output of second interlock circuit 6 connects the control signal input of the 5th A.C. contactor 15 and the control signal input of the 6th A.C. contactor 16 simultaneously, the moved end of the 5th A.C. contactor 15 connects power output end, the quiet end of the 5th A.C. contactor 15 connects the power supply signal input of second frequency converter 8, the control signal output of second frequency converter 8 connects the moved end of the 6th A.C. contactor 16, and the quiet end of the 6th A.C. contactor 16 connects the power input of auxilliary fan 7; The sampled signal output of the second leeway sensing transducer 9 of the on-the-spot branch in tunnel wind path end connects the leeway signal input part of second frequency converter 8.Other composition and annexation are identical with embodiment one or two.
The specific embodiment four: the difference of present embodiment and embodiment three is that it comprises that also the signal output part of second keyboard, 10, the second keyboards 10 connects the manual control signal input of second frequency converter 8.Other composition and annexation are identical with embodiment three.
The SVF3000 type frequency converter that second frequency converter 8 selects for use the dark river Electric Co., Ltd of SY3200 type frequency converter or Japan of Shenzhen day industry electric corporation production to produce equally.
Claims (4)
1, a kind of have an electricity saving function mining ventilation system, it comprises main fan (1) and first A.C. contactor (11), the moved end of first A.C. contactor (11) connects power output end, the quiet end of first A.C. contactor (11) connects the power input of main fan (1), it is characterized in that it also comprises first interlock circuit (2), second A.C. contactor (12), first frequency converter (3), the first leeway sensing transducer (4) of the on-the-spot wind path end in the 3rd A.C. contactor (13) and tunnel, the first control signal output of first interlock circuit (2) connects the control signal input of first A.C. contactor (11), the second control signal output of first interlock circuit (2) connects the control signal input of second A.C. contactor (12) and the control signal input of the 3rd A.C. contactor (13) simultaneously, the moved end of second A.C. contactor (12) connects power output end, the quiet end of second A.C. contactor (12) connects the power supply signal input of first frequency converter (3), the control signal output of first frequency converter (3) connects the moved end of the 3rd A.C. contactor (13), and the quiet end of the 3rd A.C. contactor (13) connects the power input of main fan (1); The sampled signal output of the first leeway sensing transducer (4) of the on-the-spot wind path end in tunnel connects the leeway signal input part of first frequency converter (3).
2, according to claim 1 have an electricity saving function mining ventilation system, it is characterized in that it also comprises first keyboard (5), and the signal output part of first keyboard (5) connects the manual control signal input of first frequency converter (3).
3, according to claim 1 and 2 have an electricity saving function mining ventilation system, it is characterized in that it also comprises the second leeway sensing transducer (9) of second interlock circuit (6), the 4th A.C. contactor (14), auxilliary fan (7), the 5th A.C. contactor (15), second frequency converter (8), the on-the-spot branch of the 6th A.C. contactor (16) and tunnel wind path end, the moved end of the 4th A.C. contactor (14) connects power output end, and the quiet end of the 4th A.C. contactor (14) connects the power input of auxilliary fan (7); The first control signal output of second interlock circuit (6) connects the control signal input of the 4th A.C. contactor (14), the second control signal output of second interlock circuit (6) connects the control signal input of the 5th A.C. contactor (15) and the control signal input of the 6th A.C. contactor (16) simultaneously, the moved end of the 5th A.C. contactor (15) connects power output end, the quiet end of the 5th A.C. contactor (15) connects the power supply signal input of second frequency converter (8), the control signal output of second frequency converter (8) connects the moved end of the 6th A.C. contactor (16), and the quiet end of the 6th A.C. contactor (16) connects the power input of auxilliary fan (7); The sampled signal output of the second leeway sensing transducer (9) of the on-the-spot branch in tunnel wind path end connects the leeway signal input part of second frequency converter (8).
4, according to claim 3 have an electricity saving function mining ventilation system, it is characterized in that it also comprises second keyboard (10), and the signal output part of second keyboard (10) connects the manual control signal input of second frequency converter (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201002579U CN201416453Y (en) | 2009-06-30 | 2009-06-30 | Mine ventilating system with electricity-saving function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201002579U CN201416453Y (en) | 2009-06-30 | 2009-06-30 | Mine ventilating system with electricity-saving function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201416453Y true CN201416453Y (en) | 2010-03-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201002579U Expired - Lifetime CN201416453Y (en) | 2009-06-30 | 2009-06-30 | Mine ventilating system with electricity-saving function |
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| Country | Link |
|---|---|
| CN (1) | CN201416453Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103306701A (en) * | 2013-04-28 | 2013-09-18 | 中国矿业大学(北京) | Automatic control pressure-equalizing fire preventing and extinguishing system in large area |
| CN109932525A (en) * | 2019-02-22 | 2019-06-25 | 辽宁工程技术大学 | A kind of tach signal processing circuit of main fan motor |
-
2009
- 2009-06-30 CN CN2009201002579U patent/CN201416453Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103306701A (en) * | 2013-04-28 | 2013-09-18 | 中国矿业大学(北京) | Automatic control pressure-equalizing fire preventing and extinguishing system in large area |
| CN103306701B (en) * | 2013-04-28 | 2016-01-27 | 中国矿业大学(北京) | Large regions controls pressure balance for air control system automatically |
| CN109932525A (en) * | 2019-02-22 | 2019-06-25 | 辽宁工程技术大学 | A kind of tach signal processing circuit of main fan motor |
| CN109932525B (en) * | 2019-02-22 | 2020-11-24 | 辽宁工程技术大学 | Rotation speed signal processing circuit of main fan motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100303 |