CN204130289U - The highly efficient cooling device of highly pressurised liquid resistance - Google Patents
The highly efficient cooling device of highly pressurised liquid resistance Download PDFInfo
- Publication number
- CN204130289U CN204130289U CN201420615740.1U CN201420615740U CN204130289U CN 204130289 U CN204130289 U CN 204130289U CN 201420615740 U CN201420615740 U CN 201420615740U CN 204130289 U CN204130289 U CN 204130289U
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- water tank
- plate electrode
- movable plate
- water pump
- liquid resistance
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Abstract
A highly efficient cooling device for highly pressurised liquid resistance, comprises cool cycles unit, mechanical transmission unit, movable plate electrode, static plate electrode; Cool cycles unit comprises outer water tank, inner water tank, cooling water, outer water tank is established water inlet pipe, outlet pipe, outlet pipe is connected with water inlet pipe through cooling bay, and there is water pump at water inlet pipe place, water pump is connected with water pump driving motor, and water pump driving motor and water pump drive frequency conversion to be connected.Mechanical transmission unit comprises servomotor, belt, belt pulley, the power transmission shaft be connected with belt pulley, the screw-in nut that is threaded with power transmission shaft, and screw in nut and be connected with movable plate electrode pedestal upper end, movable plate electrode pedestal lower end is connected with movable plate electrode; The utility model solves the problem of the too high number of starts restriction of temperature in the liquid resistance short time, by the flowing of outer low temperature recirculated water, utilize temperature difference heat transfer principle to take away liquid resistance and start the heat produced, thus ensure that the water resistance started is in a lower temperature all the time, can put into efficiently in the electric motor starting of next time.
Description
Technical field
The utility model is a kind of highly efficient cooling device of the highly pressurised liquid resistance for electric power system power transformation technology field.
Background technology
In electric power system, motor liquid resistance starting device is applicable to the soft-start by lowering voltage of the big-and-middle-sized AC asynchronous motor of three-phase alternating current 3kV, 6kV, 10kV or synchronous motor.Its principle is the resistance by changing the liquid resistance be serially connected with in stator loop, makes the starting voltage of motor increase with the reduction of motor slip ratio.Starting current maintains about three times of rated current, thus realizes the soft start of motor.Its advantage is little to the impact of electrical network when being to use, and starting success rate is high, is the ideal equipment of alternative reactance, auto-induction voltage-reduced starting.Be widely used in the starting of the blower fan of the industries such as building materials, metallurgy, chemical industry, water pump, compressor, simple to operate, easy to use and reliable.
But produce amount of heat in the process of electric motor starting and make water tank temperature rising sharply, only, boiling overheated to liquid temperature, volatilization, and start and once need cooling could continue for a long time to start afterwards, if time unallowed words may also need electrolyte again, certain puzzlement is all caused to the workload in the efficiency of producing and operation.
Summary of the invention
The purpose of this utility model is to provide a kind of highly efficient cooling device of highly pressurised liquid resistance, it can solve the problem of number of starts restriction in the liquid resistance short time effectively, by the flowing of outer low temperature recirculated water, utilize temperature difference heat transfer principle to take away liquid resistance and start the heat produced, thus ensure that the water resistance started is in a lower temperature, can put into efficiently in the electric motor starting of next time.
The technical solution of the utility model is: comprise cool cycles unit, mechanical transmission unit, movable plate electrode, with the static plate electrode of movable plate electrode cooperating; Described cool cycles unit comprises outer water tank, is loaded on more than one inner water tank in outer water tank, the cooling water between outer water tank and each inner water tank, described outer water tank is provided with water inlet pipe, outlet pipe, outlet pipe is connected with water inlet pipe through cooling bay, water pump is equipped with at water inlet pipe place, water pump is connected with water pump driving motor, and water pump driving motor and water pump drive frequency conversion to be connected; Described mechanical transmission unit comprises servomotor, belt, belt pulley, the power transmission shaft be connected with belt pulley, screws in nut; Power transmission shaft is provided with threaded portion, screws in the threaded portion that nut sleeve is loaded on power transmission shaft, and screw in nut and be connected with movable plate electrode pedestal upper end, inner water tank is stretched in movable plate electrode support bottom; Described movable plate electrode support comprises a transverse slat, is connected to two risers at transverse slat two ends, and two riser overcoats have insulating sleeve; Movable plate electrode is connected to two riser lower ends; Static plate electrode is fixed on inner water tank inner bottom part.
Described servomotor is loaded on electric machine support.
The lower end warp beam of described power transmission shaft takes up on electric machine support.
Also comprise one and control driver element, described control driver element comprises more than one the outer water tank temperature sensor be loaded in outer water tank, more than one is loaded on the inner water tank temperature sensor in outer water tank, and the Temperature numerical for gathering according to inner water tank temperature sensor, outer water tank temperature sensor controls the CPU element of pump capacity; CPU element drives frequency conversion to be connected with outer water tank temperature sensor, inner water tank temperature sensor, water pump respectively.
Described insulating sleeve, outer water tank, inner water tank are made by PVC, are welded in outer water tank after the PVC of inner water tank is softening.
The heat exchange principle that the utility model utilizes, what the speed of current finally embodied is the interior outer water tank temperature difference, when the temperature difference is larger, the process of energy exchange is faster, the required time is shorter, and the heat taken away is more, thus realizes liquid resistance and start and remain at certain temperature.
Accompanying drawing explanation
Fig. 1 is one of structural representation of the present utility model.
Fig. 2 is structural representation two of the present utility model.
Embodiment
In Fig. 1,2, the utility model comprise cool cycles unit, mechanical transmission unit 2, movable plate electrode 4, with the static plate electrode 5 of movable plate electrode cooperating.Cool cycles unit comprises an outer water tank 13, is loaded on three inner water tanks 14 in outer water tank 13, the cooling water 15 between outer water tank 13 and each inner water tank 14, outer water tank 13 is provided with water inlet pipe 16, outlet pipe 17, outlet pipe 17 is connected with water inlet pipe 16 through cooling bay 18, water pump 19 is equipped with at water inlet pipe 16 place, water pump 19 is connected with water pump driving motor 20, and water pump driving motor 20 and water pump drive frequency conversion 21 to be connected.Mechanical transmission unit 2 comprises servomotor 6, belt 7, belt pulley 8, the power transmission shaft 9 be connected with belt pulley 8, screws in nut 11, power transmission shaft 9 is provided with threaded portion 12, screw in the threaded portion 12 that nut 11 is set in power transmission shaft, movable plate electrode support 10 upper end is connected with screw-in nut 11, inner water tank 14 is stretched in movable plate electrode support 10 bottom, and movable plate electrode support 10 lower end is connected with movable plate electrode 4.Movable plate electrode support 10 comprises a transverse slat, is connected to two risers at transverse slat two ends, and two riser overcoats have insulating sleeve 22, and movable plate electrode 4 is connected to two riser lower ends.Movable plate electrode 4, static plate electrode 5 are all positioned at the in-built water electrolyte medium of inner water tank 14, and static plate electrode 5 is positioned at inner water tank 14 inner bottom part.Servomotor 6 is loaded on electric machine support 23.The lower end of power transmission shaft 9 is loaded on electric machine support 23 through bearing 24.The utility model also can comprise control driver element, control driver element and comprise multiple outer water tank temperature sensor 26 be loaded in outer water tank, multiple inner water tank temperature sensor 25 be loaded in outer water tank, the Temperature numerical for gathering according to inner water tank temperature sensor 25, outer water tank temperature sensor 26 controls the CPU element 1 of pump capacity.The producer of CPU element 1 is Siemens, and model is 6ES7 214-1BD23-0XB8+6ES7 235-0KD22-0XA8.Water pump, water pump driving motor, water pump drive frequency conversion composition variable frequency drive unit.The osculating element of the exchange heat of interior outer water tank and cooling bay composition.The temperature difference in the instruction that variable frequency drive unit execution CPU element sends realizes between outer water tank controls within the specific limits.Be specially: the temperature sensor being installed on interior outer water tank by two groups gathers the analog signal of two temperature gaps, pass through analog-to-digital conversion, send digital quantity to CPU element, the digital quantity again CPU calculated, be converted to the analog quantity that variable frequency drive unit can identify, control the speed of frequency conversion drive, reach outer tank current and flow through with different speed, thus take away the object of heat, the temperature difference in realizing between outer water tank controls within the specific limits.
During use, inner water tank temperature sensor 25, outer water tank temperature sensor 26 is connection control device respectively, CPU element 1 connects water pump and drives frequency conversion 21, water pump drives frequency conversion 21 by driving the speed of water pump 20, thus the time of the temperature generation heat exchange in cool cycles unit can be made to change, when the temperature that inner water tank temperature sensor 25 collects is too high time, after CPU element 1 detects the value of feedback of transducer, accelerate to drive water pump 19 speed, the temperature of outer water tank is made to be in low level all the time, like this, the temperature difference of outer water tank just remains on a high numerical value, temperature transmission speed between two water tanks is than very fast.
Claims (5)
1. a highly efficient cooling device for highly pressurised liquid resistance, is characterized in that: comprise cool cycles unit, mechanical transmission unit (2), movable plate electrode (4), with the static plate electrode (5) of movable plate electrode cooperating;
Described cool cycles unit comprises outer water tank (13), more than one inner water tank (14) be loaded in outer water tank (13), be positioned at cooling water (15) between outer water tank (13) and each inner water tank (14), described outer water tank (13) is provided with water inlet pipe (16), outlet pipe (17), outlet pipe (17) is connected with water inlet pipe (16) through cooling bay (18), water pump (19) is equipped with at water inlet pipe (16) place, water pump (19) is connected with water pump driving motor (20), and water pump driving motor (20) and water pump drive frequency conversion (21) to be connected;
Described mechanical transmission unit (2) comprises servomotor (6), belt (7), belt pulley (8), the power transmission shaft (9) be connected with belt pulley (8), screws in nut (11); Power transmission shaft (9) is provided with threaded portion (12), screws in the threaded portion (12) that nut (11) is set in power transmission shaft, and screw in nut (11) and be connected with movable plate electrode support (10) upper end, inner water tank (14) is stretched in movable plate electrode support (10) bottom; Described movable plate electrode support (10) comprises a transverse slat, is connected to two risers at transverse slat two ends, and two riser overcoats have insulating sleeve (22); Movable plate electrode (4) is connected to two riser lower ends;
Static plate electrode (5) is fixed on inner water tank (14) inner bottom part.
2. the highly efficient cooling device of highly pressurised liquid resistance according to claim 1, is characterized in that: described servomotor (6) is loaded on electric machine support (23).
3. the highly efficient cooling device of highly pressurised liquid resistance according to claim 2, is characterized in that: the lower end of described power transmission shaft (9) is loaded on electric machine support (23) through bearing (24).
4. the highly efficient cooling device of highly pressurised liquid resistance according to claim 1, it is characterized in that: also comprise one and control driver element, described control driver element comprises more than one the outer water tank temperature sensor (26) be loaded in outer water tank, more than one is loaded on the inner water tank temperature sensor (25) in outer water tank, and the Temperature numerical for gathering according to inner water tank temperature sensor (25), outer water tank temperature sensor (26) controls the CPU element (1) of pump capacity; CPU element (1) drives frequency conversion (21) to be connected with outer water tank temperature sensor (26), inner water tank temperature sensor (25), water pump respectively.
5. the highly efficient cooling device of highly pressurised liquid resistance according to claim 1, is characterized in that: described insulating sleeve (22), outer water tank (13), inner water tank (14) are made by PVC, and inner water tank (14) is welded in outer water tank (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420615740.1U CN204130289U (en) | 2014-10-23 | 2014-10-23 | The highly efficient cooling device of highly pressurised liquid resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420615740.1U CN204130289U (en) | 2014-10-23 | 2014-10-23 | The highly efficient cooling device of highly pressurised liquid resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204130289U true CN204130289U (en) | 2015-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420615740.1U Expired - Fee Related CN204130289U (en) | 2014-10-23 | 2014-10-23 | The highly efficient cooling device of highly pressurised liquid resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204130289U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109379000A (en) * | 2018-10-12 | 2019-02-22 | 襄阳市建盛工业控制有限公司 | A kind of liquid resistance soft-start cabinet |
| CN112702882A (en) * | 2019-10-22 | 2021-04-23 | 湖北中盛电气有限公司 | Secondary cooling and heat dissipation method for SYQT intelligent dynamic liquid resistance speed regulator |
-
2014
- 2014-10-23 CN CN201420615740.1U patent/CN204130289U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109379000A (en) * | 2018-10-12 | 2019-02-22 | 襄阳市建盛工业控制有限公司 | A kind of liquid resistance soft-start cabinet |
| CN112702882A (en) * | 2019-10-22 | 2021-04-23 | 湖北中盛电气有限公司 | Secondary cooling and heat dissipation method for SYQT intelligent dynamic liquid resistance speed regulator |
| CN112702882B (en) * | 2019-10-22 | 2024-01-09 | 湖北中盛电气有限公司 | Two-stage cooling and heat dissipation method of SYQT intelligent dynamic liquid resistance speed regulator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150128 Termination date: 20161023 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |