CN201498901U - Heat dissipating system of mining explosion-proof power variable-frequency speed-reducing device - Google Patents
Heat dissipating system of mining explosion-proof power variable-frequency speed-reducing device Download PDFInfo
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- CN201498901U CN201498901U CN 200920098686 CN200920098686U CN201498901U CN 201498901 U CN201498901 U CN 201498901U CN 200920098686 CN200920098686 CN 200920098686 CN 200920098686 U CN200920098686 U CN 200920098686U CN 201498901 U CN201498901 U CN 201498901U
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- heat dissipating
- heat
- circulating pump
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Abstract
The utility model relates to a heat dissipating system of a mining explosion-proof power variable-frequency speed-reducing device. The side walls of an explosion-proof box are respectively distributed with mounting through holes which are respectively and fixedly provided with a mounting base plate in a sealing manner; the outer side walls of the each mounting base plate are respectively and fixedly distributed with heat dissipating supporting pieces; all the mounting base plates and the heat dissipating supporting pieces of the side walls of the explosion-proof box are externally, respectively and fixedly provided with a heat dissipating water tank in a sealing manner; all the mounting base plates and the heat dissipating supporting pieces are respectively soaked in the heat dissipating water tank; the inlet of the heat dissipating water tank is connected with a circulating pump, and the outlet thereof is connected with an air-cooling heat dissipater by a pipeline; and the outlet of the air-cooling heat dissipater is connected with the circulating pump, and an evaporator of an auxiliary refrigerating system is connected by a three-way cock electromagnetic valve and the pipelines. The heat dissipating system can lead the heat in the explosion-proof box to be quickly dissipated, thus avoiding the variable-frequency speed-reducing device therein from being damaged due to heating, guaranteeing the normal work operation thereof and greatly prolonging the service life thereof. In addition, the heat dissipating device has the advantages of convenient installation and disassembly, strong practicability, little investment, low maintenance cost, no limitation by the water-deficiency condition and the like.
Description
Technical field
The utility model relates to the heat abstractor field, especially a kind of cooling system of mine explosion-suppression power frequency-variable speed-regulating device.
Background technology
At present, in the mine production process, need to use various heavy-duty motors, drive the RHVC that these motors need corresponding rated voltage and rated power.Owing to there is the danger of gas (methane) and fine coal dust explosion under the coal mine, then require employed RHVC must have flame proof and essential safety performance, therefore existing RHVC must be installed in the casing with explosion insulation performance, thereby the ventilation condition that causes RHVC descends (even without any ventilating), cause heat not distribute; And the high-power frequency conversion speed regulating device this when full load move, can produce very big caloric value, also can constantly gather heat in the flameproof cabinet and elevate the temperature, its power model is overheated to be damaged above the temperature extremes that can bear and make, and influences operate as normal.In addition, some mines also exist down-hole ambient temperature too high and lack the problem of cooling water, and the heat radiation of high-power frequency conversion speed regulating device has been proposed more harsh requirement.Therefore the heat dissipation problem of these high-power frequency conversion speed regulating device is vital.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of special usefulness to solve the novel mine heat radiating device special of the interior high-power frequency conversion speed regulating device heat dissipation problem of Flameproof box under the coal mine.That this heat abstractor has is simple in structure, reasonable in design, good heat dissipation effect, maintenance cost is low and be not subjected to advantages such as lack of water condition restriction.
The utility model solves its technical problem and is achieved through the following technical solutions:
A kind of cooling system of mine explosion-suppression power frequency-variable speed-regulating device, it is characterized in that: all sealing is fixed with an installation base plate on the uniform made installation through hole of Flameproof box sidewall, the uniform heat radiation sheet that is fixed with on the lateral wall of each installation base plate, all sealing installs a cooling water tank outside all installation base plates of Flameproof box sidewall and a sheet that dispels the heat, all installation base plates and a heat radiation sheet all are soaked in this cooling water tank, the import of cooling water tank connects circulating pump, outlet connects an air-cooled radiator by pipeline, and this air-cooled radiator is connected by pipeline with circulating pump.
And the made installation through hole of described Flameproof box sidewall has 1～8.
And described air-cooled radiator comprises fan and radiator.
And, be connected an auxiliary cooling system by the three-way cock electromagnetically operated valve between described air-cooled radiator and the circulating pump.
And described auxiliary cooling system comprises evaporator, compressor, condenser and expansion valve, and the refrigerant outlet of evaporator connects compressor, condenser and expansion valve successively, and the outlet of expansion valve connects the refrigerant inlet of evaporator.
And when being connected auxiliary cooling system between air-cooled radiator and the circulating pump, the outlet of air-cooled radiator connects the import of evaporator, and the outlet of evaporator connects circulating pump.
And the madial wall of described installation base plate is equipped with one group of semiconductor refrigerating piece, and the thermal conductive surface of this semiconductor refrigerating piece and the madial wall of installation base plate fit tightly.
Advantage of the present utility model and beneficial effect are:
1, this cooling system is by being installed in heater element on the installation base plate, adopt and force boiler water circulation cooling and wind-cooling heat dissipating that installation base plate is carried out cooling heat dissipation, thereby can transmit that the Flameproof box internal cause can't be ventilated and the heat assembled, heat is in time distributed, and prevent that effectively condensation causes the equipment short circuit in the case.
The caloric value that is produced when 2, this cooling system can effectively move the high-power frequency conversion speed regulating device is delivered in the external environment condition, thereby avoided the power model generation damage of high temperature, efficiently solved the problem that causes the huge heat of RHVC generation to distribute because of the mine ventilation inclement condition RHVC.
3, can connect an auxiliary cooling system between air-cooled radiator of this cooling system and the circulating pump, this auxiliary cooling system as auxiliary heat dissipation in order to the too high situation that causes wind-cooling heat dissipating to worsen of compensate for ambient temperature, only adopt wind-cooling heat dissipating can not satisfy heat radiation during needs when ambient temperature is too high, can adopt this auxiliary cooling system to carry out the secondary heat radiation, therefore avoided causing the situation of wind-cooling heat dissipating deterioration because of ambient temperature is too high, and solved the Problem of System Reliability of simple refrigerating system heat radiation, thereby improved the security reliability of this heat abstractor operation.This auxiliary cooling system adopts modular designs, with when circulation waterway is connected, also is convenient to dismounting and change convenient.
4, this cooling system has adopted circulation, has solved some mines and can not adopt the problem of water cooling system because of water shortage problem, and reduced the waste of water resources greatly.
5, on the installation base plate of this cooling system the semiconductor refrigerating piece is installed, for the heat of assembling in the flameproof cabinet, can adopt the adjusting of freezing of the huyashi-chuuka (cold chinese-style noodles) of semiconductor refrigerating piece, realize thermostatic control to a certain degree, the hot side of semiconductor refrigerating piece spreads out of heat by installation base plate, finally is dispersed in the ambient air outside.
6, the utility model is a kind of mine heat radiating device special of simple in structure, reasonable in design, good heat dissipation effect, this heat abstractor can make the heat in the Flameproof box distribute fast, avoid the RHVC in it to damage because of being heated, guarantee its normal operation, and greatly prolonged its useful life.In addition, this heat abstractor also have easy installation and removal, practical, small investment, maintenance cost low, be not subjected to advantages such as lack of water condition restriction.
Description of drawings
Fig. 1 is front view of the present utility model (broken section);
Fig. 2 is the A portion enlarged diagram of Fig. 1;
Fig. 3 is the structural representation of radiator in the utility model air-cooled radiator.
Embodiment
The utility model is described in further detail below by specific embodiment, and following examples are descriptive, is not determinate, can not limit protection range of the present utility model with this.
A kind of cooling system of mine explosion-suppression power frequency-variable speed-regulating device, special in the heat dissipation problem that solves the interior high-power frequency conversion speed regulating device of Flameproof box under the coal mine.Innovative point of the present utility model is: comprise the sidewall 5 that is installed in Flameproof box 1 and with the installation base plate 3 of Flameproof box internal communication, the mounting structure of this installation base plate and Flameproof box is: be shaped on 1～8 on the sidewall of Flameproof box through hole is installed, installation base plate is installed on the lateral wall of Flameproof box, and each can be installed through hole sealing covering.Can adopt a bigger installation base plate of area that all are installed through hole during production and hide sealing, also can install an installation base plate is installed respectively on the through hole at each.The madial wall of installation base plate is equipped with the heater element 7 of caloric value maximum, as power model, rectifying device or the like; The uniform heat radiation sheet 4 that installs of the lateral wall of installation base plate.
All installation base plates and a heat radiation sheet all are soaked in the cooling water tank 6, and this cooling water tank is packed on the sidewall of Flameproof box.The import of cooling water tank connects circulating pump 8, and the outlet of this cooling water tank connects an air-cooled radiator 12 by pipeline, and this air-cooled radiator comprises fan 10 and radiator 11, is dispelled the heat by fan, and this air-cooled radiator is connected by pipeline with circulating pump.
In order to strengthen radiating effect, avoid causing wind-cooling heat dissipating can not satisfy the cooling requirement because of ambient temperature is too high, between air-cooled radiator and circulating pump, be connected an auxiliary cooling system by three-way cock electromagnetically operated valve 9.This auxiliary cooling system comprises evaporator 13, compressor 14, condenser 16 and expansion valve (capillary) 15, and the refrigerant outlet of evaporator connects compressor, condenser and expansion valve successively, and the outlet of expansion valve connects the refrigerant inlet of evaporator.When being connected auxiliary cooling system between air-cooled radiator and the circulating pump, wherein the import of evaporator connects the outlet of radiator in the air-cooled radiator, and the outlet of evaporator connects circulating pump.
The heat of assembling in order to reduce in the Flameproof box, make and keep constant temperature in the casing, madial wall at installation base plate is equipped with one group of semiconductor refrigerating piece 2, the thermal conductive surface of this semiconductor refrigerating piece and the madial wall of installation base plate fit tightly, so the heat in the casing can be distributed by an installation base plate and a heat radiation sheet.
Operation principle of the present utility model is:
RHVC is installed in the Flameproof box, the heating face of the power model of caloric value maximum and rectifying device and semiconductor refrigerating piece is close to installation base plate, installation base plate is installed in the cooling water tank, circulating water pipework connects cooling water tank and air-cooled radiator, by circulating pump refrigerating medium is recycled to the entire heat dissipation system, the radiator fan active heat removal.
For reaching better heat radiation purpose, the water route of water passage circulation system flows to and should enter the cooling water tank of installation power module from the below by outlet of circulating pump (diagram pump vertical outlet), flow to the upper inlet of radiator in the air-cooled radiator then by the upper outlet of cooling water tank, flow back to the water inlet (the diagram direction of arrow is water (flow) direction) of circulating pump at last by the following outlet of radiator.
In order to the too high situation that causes wind-cooling heat dissipating to worsen of compensate for ambient temperature, whether the circulation waterway of controlling auxiliary cooling system by installation three-way cock electromagnetically operated valve in the circulation waterway system inserts in the cooling system auxiliary cooling system as auxiliary heat dissipation equipment.
By the caloric value of rated output module, reasonably select to force the discharge (being pump flow) in the hydrologic cycle cooling system, the area of dissipation and the air quantity of fan of radiator, solve the fault that power model causes module to burn because of heat distributes; The heat transferred that power model and rectifying device produced of caloric value maximum is delivered to outer radiator by refrigerating medium then to the cooling water tank of water circulation cooling device in the RHVC, by fan and outer radiator heat is dispersed into external environment condition at last.
If ambient temperature raises, cause the temperature of RHVC to surpass its normal working temperature, auxiliary cooling system is started working, and is used for the compensation water cycle cooling system.Owing to be bucking-out system, refrigeration work consumption can be smaller, and circulation waterway existed cooling water tank and circulating pump, and the auxiliary cooling system module needn't contain cooling water tank and circulating pump again, so that its volume can be done is littler, weight is lighter.
Adopt temperature and humidity monitoring system during system start-up, guarantee that water temperature is higher than dew point temperature in the Flameproof box, preheating simultaneously prevents that condensation from causing short circuit to damage.
Other strengthen the positive effective way of heat radiation:
1. cooling water tank inside is divided into many runners with dividing plate, and the cross section of these runners is equated, the water velocity in the runner is equated everywhere, reach the purpose of equably heat of each power model generation being taken away.
The installation base plate material that 2. each power model is installed adopts higher fine copper or the pure aluminum material of thermal conductivity ratio, and sheet (as shown in Figure 2) is propped up in the heat radiation of inlaying multi-disc fine copper matter or fine aluminium matter on installation base plate, with abundant increase area of dissipation, reach better cooling effect.
3. air-cooled radiator adopts and to advance the coil pipe that has more more and add heat radiation sheet-supporting structure mode (as shown in Figure 3), and total area of dissipation that sheet is propped up in heat radiation should reach the heat radiation needs.
4. the sealing of all interface sections, water route in the cooling system all should be adopted the refractory seals glue of import, to guarantee the sealing of water-cooling system.
Claims (7)
1. the cooling system of a mine explosion-suppression power frequency-variable speed-regulating device, it is characterized in that: all sealing is fixed with an installation base plate on the uniform made installation through hole of Flameproof box sidewall, the uniform heat radiation sheet that is fixed with on the lateral wall of each installation base plate, all sealing installs a cooling water tank outside all installation base plates of Flameproof box sidewall and a sheet that dispels the heat, all installation base plates and a heat radiation sheet all are soaked in this cooling water tank, the import of cooling water tank connects circulating pump, outlet connects an air-cooled radiator by pipeline, and this air-cooled radiator is connected by pipeline with circulating pump.
2. the cooling system of mine explosion-suppression power frequency-variable speed-regulating device according to claim 1 is characterized in that: the made installation through hole of described Flameproof box sidewall has 1～8.
3. the cooling system of mine explosion-suppression power frequency-variable speed-regulating device according to claim 1 is characterized in that: described air-cooled radiator comprises fan and radiator.
4. the cooling system of mine explosion-suppression power frequency-variable speed-regulating device according to claim 1 is characterized in that: be connected an auxiliary cooling system by the three-way cock electromagnetically operated valve between described air-cooled radiator and the circulating pump.
5. the cooling system of mine explosion-suppression power frequency-variable speed-regulating device according to claim 4, it is characterized in that: described auxiliary cooling system comprises evaporator, compressor, condenser and expansion valve, the refrigerant outlet of evaporator connects compressor, condenser and expansion valve successively, and the outlet of expansion valve connects the refrigerant inlet of evaporator.
6. the cooling system of mine explosion-suppression power frequency-variable speed-regulating device according to claim 1, it is characterized in that: when being connected auxiliary cooling system between air-cooled radiator and the circulating pump, the outlet of air-cooled radiator connects the import of evaporator, and the outlet of evaporator connects circulating pump.
7. the cooling system of mine explosion-suppression power frequency-variable speed-regulating device according to claim 1, it is characterized in that: the madial wall of described installation base plate is equipped with one group of semiconductor refrigerating piece, and the thermal conductive surface of this semiconductor refrigerating piece and the madial wall of installation base plate fit tightly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920098686 CN201498901U (en) | 2009-09-09 | 2009-09-09 | Heat dissipating system of mining explosion-proof power variable-frequency speed-reducing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920098686 CN201498901U (en) | 2009-09-09 | 2009-09-09 | Heat dissipating system of mining explosion-proof power variable-frequency speed-reducing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201498901U true CN201498901U (en) | 2010-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920098686 Expired - Fee Related CN201498901U (en) | 2009-09-09 | 2009-09-09 | Heat dissipating system of mining explosion-proof power variable-frequency speed-reducing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201498901U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102412706A (en) * | 2011-11-29 | 2012-04-11 | 广州高澜节能技术股份有限公司 | Cooling system for peak-clipping-type direct-current transmission converter valve |
| CN102421276A (en) * | 2011-11-29 | 2012-04-18 | 广州高澜节能技术股份有限公司 | Peak-clipping closed circulating pure water cooling system |
| CN108541180A (en) * | 2017-03-03 | 2018-09-14 | 潍坊科技学院 | A kind of electric machine control system |
-
2009
- 2009-09-09 CN CN 200920098686 patent/CN201498901U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102412706A (en) * | 2011-11-29 | 2012-04-11 | 广州高澜节能技术股份有限公司 | Cooling system for peak-clipping-type direct-current transmission converter valve |
| CN102421276A (en) * | 2011-11-29 | 2012-04-18 | 广州高澜节能技术股份有限公司 | Peak-clipping closed circulating pure water cooling system |
| CN108541180A (en) * | 2017-03-03 | 2018-09-14 | 潍坊科技学院 | A kind of electric machine control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 8 No. 300385 Tianjin Saida century Xiqing economic and Technological Development Zone Avenue Patentee after: Tianjin Huaning Electronics Co., Ltd. Address before: 300171 No. seven, No. 101, No. 5, Hedong District, Tianjin Patentee before: Tianjin Huaning Electronics Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100602 Termination date: 20170909 |