CN112781397B - Water film type cooling unit - Google Patents
Water film type cooling unit Download PDFInfo
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- CN112781397B CN112781397B CN202010032838.4A CN202010032838A CN112781397B CN 112781397 B CN112781397 B CN 112781397B CN 202010032838 A CN202010032838 A CN 202010032838A CN 112781397 B CN112781397 B CN 112781397B
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- water
- pipe
- stuffing box
- water tank
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C1/00—Direct-contact trickle coolers, e.g. cooling towers
- F28C1/14—Direct-contact trickle coolers, e.g. cooling towers comprising also a non-direct contact heat exchange
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
- F28F25/02—Component parts of trickle coolers for distributing, circulating, and accumulating liquid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
- F28F25/02—Component parts of trickle coolers for distributing, circulating, and accumulating liquid
- F28F25/08—Splashing boards or grids, e.g. for converting liquid sprays into liquid films; Elements or beds for increasing the area of the contact surface
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
- F28F25/10—Component parts of trickle coolers for feeding gas or vapour
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
- F28F27/003—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus specially adapted for cooling towers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/54—Free-cooling systems
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a water film type cooling unit which has good heat dissipation effect and does not frost; the water cooling device comprises a stuffing box, a water film type surface cooler, a wind passing barrel and a water tank, wherein the stuffing box, the water film type surface cooler and the wind passing barrel are arranged above the water tank, water is stored in the water tank, a water pump is also arranged in the water tank, an inlet of the water pump is communicated with one end of a water inlet pipe, and the other end of the water inlet pipe is communicated with water in the water tank; the outlet of the water pump is communicated with one end of the water injection pipe, the other end of the water injection pipe is communicated with the water inlet of the water distributor, the water distributor is used for uniformly distributing water on the water distribution net at the top of the stuffing box, the first hole net and the second hole net are respectively arranged on the outer side of the stuffing box and one side close to the water film type surface cooler, and the stuffing box is filled with filler; the water film type surface cooler is provided with fin pages, air flow entering the stuffing box contacts with water in the stuffing box to carry water drops, the water drops carried by the air flow contact with the fin pages of the water film type surface cooler, and a water film is formed on the surfaces of the fin pages.
Description
Technical Field
The invention relates to water-cooling heat exchange equipment, in particular to a water film type cooling unit.
Background
The existing unit is a water film type cooling unit, no surface cooler is adopted, liquid flows through the unit to be cooled by 5 ℃ at maximum (recognized in the industry and belongs to the problem which is difficult to solve in the industry), the surface cooler is adopted, the surface cooler is utilized to release and carry heat to the atmosphere, and the heat exchange efficiency is low (only through heat radiation and heat dissipation, and natural heat exchange efficiency is low).
In addition, in order to increase the number of fin pages of the heat dissipation effect in the existing water film type cooling unit, the direct gap between every two fin pages is too small, frosting is easy to occur, the heat dissipation effect is seriously affected after the fin pages are frosted, and back blowing is needed after frosting, so that the energy consumption is greatly increased, and the water floating rate is high after frosting.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, the present invention is to provide a water film type cooling unit with good heat dissipation effect and no frosting.
The invention provides a water film type cooling unit which comprises a stuffing box, a water film type surface cooler, a wind passing barrel and a water tank, wherein the stuffing box, the water film type surface cooler and the wind passing barrel are arranged above the water tank, water is stored in the water tank, a water pump is further arranged in the water tank, an inlet of the water pump is communicated with one end of a water inlet pipe, and the other end of the water inlet pipe is communicated with water in the water tank; the outlet of the water pump is communicated with one end of the water injection pipe, the other end of the water injection pipe is communicated with the water inlet of the water distributor, the water distributor is used for uniformly distributing water on the water distribution net at the top of the stuffing box, the first hole net and the second hole net are respectively arranged on the outer side of the stuffing box and one side close to the water film type surface cooler, and the stuffing box is filled with filler; the water film type surface cooler is provided with fin pages, air flow entering the stuffing box contacts with water in the stuffing box to carry water drops, the water drops carried by the air flow contact with the fin pages of the water film type surface cooler, and a water film is formed on the surfaces of the fin pages.
Preferably, the filler is pumice, and the particle size of the pumice is 3-5 cm.
Preferably, S-shaped water pipes which are installed in a serpentine manner are installed in the fin pages, and fluid which needs to be cooled flows in the S-shaped water pipes.
Preferably, an air inlet groove and a negative pressure cavity are formed in the air passing cylinder, a fan is mounted at the top of the negative pressure cavity, negative pressure is formed to the negative pressure cavity after the fan is started, external air flow is pumped to the stuffing box by the negative pressure, and the air flow enters the negative pressure cavity after passing through the stuffing box and the wing pages.
Preferably, the top of the stuffing box is also provided with a water supplementing groove, the water supplementing groove is used for leading water from the water injection pipe through a branch pipe, and the branch pipe and the water distributor are used for dividing the water sent from the water injection pipe in proportion; the water supplementing tank bottom is communicated with the water supplementing pipe top, the water supplementing pipe bottom is communicated with the connecting pipe, the water supplementing pipe is internally provided with tapered holes with gradually smaller diameters from top to bottom, and a plurality of water supplementing holes are formed in the water supplementing pipe along the axial direction of the water supplementing pipe.
Preferably, a plurality of staggered water blocking plates are sequentially arranged in the taper hole from top to bottom along the axial direction of the taper hole.
Preferably, one end of the connecting pipe is closed, the other end of the connecting pipe is respectively communicated with one end of the suction pipe and one end of the return pipe, the other end of the return pipe is connected into the water tank, and the other end of the suction pipe is led into the fin page; the water in the water tank submerges the bottom of the return pipe and is not higher than the inside of the connecting pipe.
Preferably, the highest water level at the top of the water tank is communicated with one end of an overflow pipe, and the other end of the overflow pipe is led out of the water tank.
Preferably, a detection shell is fixed on the outer side of the water tank, a floating cavity and a communication groove are respectively arranged in the detection shell, the communication groove is used for communicating the floating cavity with water in the water tank, a floating body is arranged in the floating cavity, a first magnet block and a connecting shaft are arranged at the top of the floating body, and a detection assembly is respectively arranged at the highest and lowest water level in the water tank outside the detection shell;
the top of the connecting shaft passes through the detection shell and the guide groove and then is assembled and fixed with the conductive block, the guide groove is arranged in the insulation seat, the insulation seat is also internally provided with the insulation groove and the adjusting sliding hole respectively, the insulation groove is internally provided with the conductive sheet, the conductive sheet and the conductive block are both made of conductive materials, the conductive block is in conductive connection with one end of the first wire, one end of the conductive sheet is in conductive connection with one end of the second wire, and the conductive sheet and the conductive block are pressed and contacted with each other to be conductive;
the other end of the first lead is connected in series with the ammeter and then connected to the positive electrode of the constant voltage direct current power supply, the other end of the second lead is connected to the negative electrode of the constant voltage direct current power supply, and the signal end of the ammeter is connected with the signal end of the controller in a communication way; the conducting strip is fixed with one end assembly, the other end of the adjusting shaft is arranged in the adjusting slide hole and is fixed with the sliding ring assembly, the sliding ring is axially slidably arranged in the adjusting slide hole, the opening end of the adjusting slide hole is closed by the closing plug, and a wave spring is arranged in the adjusting slide hole, between the sliding ring and the closing plug and used for generating elastic force for the sliding ring to move towards the conducting strip.
Preferably, the detection assembly comprises a detection shell fixed on the detection shell, a hollow detection chute is formed in the detection shell, a second magnet block is clamped in the detection chute and is slidably arranged in the detection chute, the second magnet block is fixedly assembled with one end of a trigger rod, the other end of the trigger rod passes through a trigger spring and the detection shell and is fixedly assembled with the trigger block, the trigger block is opposite to a trigger end of a micro-switch, and a signal end of the micro-switch is in communication connection with a signal end of a controller; the first magnet block and the second magnet block are magnetic and have the same poles opposite to each other.
The beneficial effects of the invention are as follows: the invention solves the problems of high energy consumption, large water floating rate and the like of the traditional water film type cooling unit, adopts the water film type surface cooler, has higher heat exchange efficiency than the unit which purely adopts the fin-page cooler, is less prone to frosting, and avoids the problem of idle work of frosting back blowing of the traditional unit.
According to the water film type surface air cooler, the fin page distance is increased, the negative pressure area is formed in the surface air cooler area by utilizing air flow generated by the fan, and the water film on the surface air cooler is volatilized and vaporized under the negative pressure in an accelerating way, so that a large amount of heat can be carried, and the heat efficiency of the water film type surface air cooler is higher than that of the traditional unit.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is an enlarged view of F1 in fig. 1.
Fig. 3 is an enlarged view of F2 in fig. 1.
Fig. 4 is a schematic view of the structure of the water replenishing pipe of the present invention.
FIG. 5 is a schematic view of the fin and S-shaped water pipe structure of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 1-5, a water film type cooling unit comprises a stuffing box 110, a water film type surface cooler 120, a wind passing barrel 130 and a water tank 140, wherein the stuffing box 110, the water film type surface cooler 120 and the wind passing barrel 130 are arranged above the water tank 140, water 510 is stored in the water tank 140, a water pump 210 is also arranged in the water tank 140, an inlet of the water pump 210 is communicated with one end of a water inlet pipe 211, and the other end of the water inlet pipe 211 is communicated with water in the water tank; the outlet of the water pump 210 is communicated with one end of the water injection pipe 212, the other end of the water injection pipe 212 is communicated with the water inlet of the water distributor 220, the water distributor 220 is used for uniformly distributing water on a water distribution net 810 at the top of the packing box 110, a first hole net 821 and a second hole net 822 are respectively arranged on the outer side of the packing box 110 and one side close to the water film type surface cooler, the packing box 110 is internally filled with a filler 520, the filler 520 is made of a soft material, and the embodiment selects a pumice block, and the particle size of the pumice block is 3-5 cm. This way the air flow can pass through, and the pumice is porous and can absorb water in its pores, so that the air flow carries water droplets when passing through. The water drops carried by the air flow are contacted with the fin pages 121 of the water film type surface air cooler 120, so that a water film is formed on the surfaces of the fin pages 121, and the water film is purged by the air flow to accelerate evaporation, so that heat on the surfaces of the fin pages 121 is taken away rapidly, and the heat exchange efficiency and effect of the fin pages 121 are greatly improved.
S-shaped water pipes 310 which are installed in a serpentine manner are installed in the fin pages 121, and fluid to be cooled flows in the S-shaped water pipes 310, so that the fluid is cooled through the water film type surface cooler 120.
The air inlet groove 131 and the negative pressure cavity 132 are arranged on the air passing barrel 130, the fan 250 is arranged at the top of the negative pressure cavity 132, negative pressure is formed on the negative pressure cavity 132 after the fan 250 is started, external air flow is pumped to the stuffing box 110 by the negative pressure, and the air flow enters the negative pressure cavity 132 after passing through the stuffing box 110 and the fin 121. When the water film type surface air cooler is used, the negative pressure area is formed in the fin area of the water film type surface air cooler 120 by the wind power pumping force generated by the fan, and the water film volatilizes to take away the heat carried by the surface air cooler, so that the water flowing in the S-shaped water pipe is cooled down quickly. The design is superior to the heat exchange efficiency of the traditional machine set, ensures the heat efficiency of the invention, and also decides to reduce the operation energy consumption. The water is sprayed from the water distributor, and the filler disperses and sprays the water down, and finally flows into the water tank 140 for circulating flow.
Preferably, the top of the stuffing box 110 is also provided with a water supplementing groove 360, the water supplementing groove 360 leads water from the water injection pipe 212 through a branch pipe, and the branch pipe and the water distributor divide the water sent from the water injection pipe 212 in proportion; the bottom of the water supplementing groove 360 is communicated with the top of the water supplementing pipe 320, the bottom of the water supplementing pipe 320 is communicated with the connecting pipe 350, the inside of the water supplementing pipe 320 is provided with a taper hole 321 with the diameter gradually decreasing from top to bottom, and the water supplementing pipe 320 is provided with a plurality of water supplementing holes 322 along the axial direction thereof. When in use, water in the water supplementing groove flows into the taper hole 321, and then flows out of the water supplementing hole 322 to supplement water of the filler, so that the wetting effect on air flow is improved. The design of the tapered hole 321 makes use of the feature of water flowing from top to bottom to make the water form a choked flow in the tapered hole 321 so as to increase the water output from the water supplementing hole 322.
Preferably, a plurality of staggered water blocking plates 323 are sequentially arranged in the tapered holes 321 from top to bottom along the axial direction thereof, so as to increase the residence time of water in the tapered holes 321 and increase the output water quantity from the water supplementing holes 322.
The connecting pipe 350 has one closed end and the other end respectively connected with one end of the suction pipe 340 and one end of the return pipe 330, the other end of the return pipe 330 is connected into the water tank 140, and the other end of the suction pipe 340 is led into the fin 121. And the water in the tank floods the bottom of return pipe 330 but is not higher than the inside of connection pipe 350. The design makes the negative pressure at the wing pages act in the suction pipe 340 at the same time, so that the water supplementing pipe 320 is respectively sucked through the connecting pipe 350 to ensure that the water in the conical holes is in a flowing state, and the water entering the connecting pipe 350 is directly discharged into the water tank through the return pipe when flowing to the return pipe 330, and does not form resistance to the suction of the connecting pipe 350 and the suction pipe 340 or block the connecting pipe 350 and the suction pipe 340.
Preferably, the highest water level at the top of the water tank 140 is communicated with one end of the overflow pipe 370, and the other end of the overflow pipe 370 is led out of the water tank 140, so that when the water level in the water tank exceeds the overflow pipe 370, the water in the water tank is discharged through the overflow pipe 370.
Preferably, a detection shell 150 is fixed on the outer side of the water tank 140, a floating cavity 151 and a communication groove 152 are respectively arranged in the detection shell 150, the communication groove 152 is used for communicating the floating cavity 151 with water in the water tank, a floating body 710 is arranged in the floating cavity 151, a first magnet block 720 and a connecting shaft 610 are arranged at the top of the floating body 710, a detection assembly is arranged outside the detection shell 150 and at the highest and lowest positions of the water level in the water tank, the detection assembly comprises a detection shell 730 fixed on the detection shell 150, a hollow detection chute 731 is arranged in the detection shell 730, a second magnet block 740 is clamped in the detection chute 731 and slidably arranged, the second magnet block 740 is fixedly assembled with one end of a trigger rod 750, the other end of the trigger rod 750 passes through a trigger spring 760 and is fixedly assembled with the trigger block 751, the trigger block 751 is opposite to the trigger end of a micro switch 240, the signal end of the micro switch is in communication connection with the signal end of a controller, and the controller can be a PLC, an industrial control computer, an MCU and the like;
the first magnet block 720 and the second magnet block 740 are magnetic and have opposite homopolar polarities. When the first magnet block 720 and the second magnet block 740 are aligned, the second magnet block 740 can be driven by repulsive magnetic force to move towards the micro switch against the elastic force of the trigger spring 760 until the micro switch 240 is triggered, and at this time, the water level is determined to be too high or too low.
The connecting shaft 610 is assembled and fixed with the conductive block 620 after penetrating the detecting shell 150 and the guiding groove 161, the guiding groove 161 is arranged in the insulating seat 160, the insulating seat 160 is also internally provided with the insulating groove 162 and the adjusting sliding hole 163 respectively, the insulating groove 162 is internally provided with the conductive sheet 630, the conductive sheet 630 and the conductive block 620 are made of conductive materials, the conductive block 620 is electrically connected with one end of the first wire 661, one end of the conductive sheet 630 is electrically connected with one end of the second wire 662, and the conductive sheet 630 and the conductive block 620 are tightly pressed and electrically contacted.
The other end of the first wire 661 is connected in series with the ammeter and then connected to the positive electrode of the constant voltage direct current power supply, the other end of the second wire 662 is connected to the negative electrode of the constant voltage direct current power supply, and the signal end of the ammeter is connected with the signal end of the controller in a communication way. When the water level measuring device is used, electrons between the conducting block and the conducting strip can be deduced through the current value of the ammeter and the voltage value of the constant-voltage direct-current power supply, so that the position of the conducting block on the conducting strip can be deduced, and the current water level can be deduced reversely.
The conducting strip is fixed with one end of 630, the other end of the adjusting shaft 630 is installed in the adjusting slide hole 163 and is fixed with the sliding ring 631, the sliding ring 631 can be axially and slidably installed in the adjusting slide hole 163, the opening end of the adjusting slide hole 163 is closed by the closing plug 650, a wave spring 640 is installed in the adjusting slide hole 163 and between the sliding ring 631 and the closing plug 650, and the wave spring 640 is used for generating elastic force for the sliding ring 631 to move towards the conducting strip, so that the conducting strip is always in pressing contact with the conducting strip.
The present invention is not described in detail in the present application, and is well known to those skilled in the art.
The foregoing describes in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the invention by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.
Claims (6)
1. The utility model provides a water film formula cooling unit, includes packing box, water film formula surface cooler, crosses dryer, water tank, characterized by: the packing box, the water film type surface cooler and the air passing cylinder are arranged above the water tank, water is stored in the water tank, a water pump is also arranged in the water tank, an inlet of the water pump is communicated with one end of the water inlet pipe, and the other end of the water inlet pipe is communicated with water in the water tank; the outlet of the water pump is communicated with one end of the water injection pipe, the other end of the water injection pipe is communicated with the water inlet of the water distributor, the water distributor is used for uniformly distributing water on the water distribution net at the top of the stuffing box, the first hole net and the second hole net are respectively arranged on the outer side of the stuffing box and one side close to the water film type surface cooler, and the stuffing box is filled with filler; the water film type surface cooler is provided with fin pages, air flow entering the stuffing box contacts with water in the stuffing box to carry water drops, the water drops carried by the air flow contact with the fin pages of the water film type surface cooler, and a water film is formed on the surfaces of the fin pages;
an air inlet groove and a negative pressure cavity are formed in the air passing cylinder, a fan is arranged at the top of the negative pressure cavity, negative pressure is formed to the negative pressure cavity after the fan is started, external air flow is pumped to the stuffing box by the negative pressure, and the air flow enters the negative pressure cavity after passing through the stuffing box and wing pages;
the top of the stuffing box is also provided with a water supplementing groove, the water supplementing groove is used for leading water from the water injection pipe through a branch pipe, and the branch pipe and the water distributor are proportionally used for dividing the water sent from the water injection pipe; the bottom of the water supplementing groove is communicated with the top of the water supplementing pipe, the bottom of the water supplementing pipe is communicated with the connecting pipe, the inside of the water supplementing pipe is provided with tapered holes with gradually smaller diameters from top to bottom, and the water supplementing pipe is provided with a plurality of water supplementing holes along the axial direction of the water supplementing pipe;
a plurality of staggered water blocking plates are sequentially arranged in the taper hole from top to bottom along the axial direction of the taper hole;
one end of the connecting pipe is closed, the other end of the connecting pipe is respectively communicated with one end of the suction pipe and one end of the return pipe, the other end of the return pipe is connected into the water tank, and the other end of the suction pipe is led into the fin page; the water in the water tank submerges the bottom of the return pipe and is not higher than the inside of the connecting pipe.
2. The water film cooling unit of claim 1, wherein: the filler is pumice, and the particle size of the pumice is 3-5 cm.
3. The water film cooling unit of claim 1, wherein: s-shaped water pipes which are installed in a serpentine manner are installed in the fin pages, and fluid which needs to be cooled flows in the S-shaped water pipes.
4. The water film cooling unit of claim 1, wherein: the highest water level at the top of the water tank is communicated with one end of the overflow pipe, and the other end of the overflow pipe is led out of the water tank.
5. The water film cooling unit of claim 1, wherein: the water tank is characterized in that a detection shell is fixed on the outer side of the water tank, a floating cavity and a communication groove are respectively arranged in the detection shell, the communication groove is used for communicating the floating cavity with water in the water tank, a floating body is arranged in the floating cavity, a first magnet block and a connecting shaft are arranged at the top of the floating body, and a detection assembly is respectively arranged at the highest and lowest water level in the water tank outside the detection shell;
the top of the connecting shaft passes through the detection shell and the guide groove and then is assembled and fixed with the conductive block, the guide groove is arranged in the insulation seat, the insulation seat is also internally provided with the insulation groove and the adjusting sliding hole respectively, the insulation groove is internally provided with the conductive sheet, the conductive sheet and the conductive block are both made of conductive materials, the conductive block is in conductive connection with one end of the first wire, one end of the conductive sheet is in conductive connection with one end of the second wire, and the conductive sheet and the conductive block are pressed and contacted with each other to be conductive;
the other end of the first lead is connected in series with the ammeter and then connected to the positive electrode of the constant voltage direct current power supply, the other end of the second lead is connected to the negative electrode of the constant voltage direct current power supply, and the signal end of the ammeter is connected with the signal end of the controller in a communication way; the conducting strip is fixed with one end assembly, the other end of the adjusting shaft is arranged in the adjusting slide hole and is fixed with the sliding ring assembly, the sliding ring is axially slidably arranged in the adjusting slide hole, the opening end of the adjusting slide hole is closed by the closing plug, and a wave spring is arranged in the adjusting slide hole, between the sliding ring and the closing plug and used for generating elastic force for the sliding ring to move towards the conducting strip.
6. The water film chiller assembly of claim 5 wherein: the detection assembly comprises a detection shell fixed on the detection shell, a hollow detection chute is arranged in the detection shell, a second magnet block is clamped in the detection chute and is slidably arranged in the detection chute, the second magnet block is fixedly assembled with one end of a trigger rod, the other end of the trigger rod passes through a trigger spring and is fixedly assembled with the trigger block after passing through the detection shell, the trigger block is opposite to the trigger end of the micro switch, and the signal end of the micro switch is in communication connection with the signal end of the controller; the first magnet block and the second magnet block are magnetic and have the same poles opposite to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010032838.4A CN112781397B (en) | 2020-01-13 | 2020-01-13 | Water film type cooling unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010032838.4A CN112781397B (en) | 2020-01-13 | 2020-01-13 | Water film type cooling unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112781397A CN112781397A (en) | 2021-05-11 |
| CN112781397B true CN112781397B (en) | 2023-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010032838.4A Active CN112781397B (en) | 2020-01-13 | 2020-01-13 | Water film type cooling unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7815173B2 (en) * | 2008-04-24 | 2010-10-19 | Yi-Hsiung Lin | Cooler |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202101568U (en) * | 2011-04-19 | 2012-01-04 | 宝鸡兴业空调设备（集团）有限公司 | Mixing exchanger |
| CN202955810U (en) * | 2012-12-04 | 2013-05-29 | 西安工程大学 | Forecooling type closed type evaporation cooling water chilling unit with surface air coolers |
| CN104197588A (en) * | 2014-04-17 | 2014-12-10 | 童军 | Surface air cooler with wet films of composite structures |
| CN104964361A (en) * | 2015-06-25 | 2015-10-07 | 陕西优斯达环境科技有限公司 | Combined type water evaporation water chilling unit |
| CN106288853A (en) * | 2016-08-29 | 2017-01-04 | 李其兰 | Low-temperature negative-pressure cross flow cooling tower |
| CN208425085U (en) * | 2018-06-06 | 2019-01-22 | 于向阳 | Data center computer room whole year with antifreezing water tank runs air-conditioning cooling device |
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