CN216347139U - Frequency conversion water chilling unit for laser - Google Patents
Frequency conversion water chilling unit for laser Download PDFInfo
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- CN216347139U CN216347139U CN202122518737.0U CN202122518737U CN216347139U CN 216347139 U CN216347139 U CN 216347139U CN 202122518737 U CN202122518737 U CN 202122518737U CN 216347139 U CN216347139 U CN 216347139U
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Abstract
The utility model relates to a variable-frequency water chilling unit for a laser, which comprises a refrigeration circulating system and a cold water tank, wherein the refrigeration circulating system comprises a variable-frequency compressor, a condenser and an evaporator, the condenser comprises a heat exchange tube and a variable-frequency fan, the inlet of the heat exchange tube is connected with the outlet of the variable-frequency compressor, the outlet of the heat exchange tube is connected with the inlet of a refrigerant pipeline of the evaporator, an electronic expansion valve is connected on a connecting pipeline between the outlet of the heat exchange tube and the inlet of the refrigerant pipeline of the evaporator, the outlet of the refrigerant pipeline of the evaporator is connected with the inlet of the variable-frequency compressor, the evaporator also comprises a cooling water pipeline, the inlet of the cooling water pipeline is connected with a cooling water inlet tube, the outlet of the cooling water pipeline is connected with the cold water tank, the cold water tank is connected with a cold water discharge tube, the variable-frequency water chilling unit for the laser has a large temperature adjusting range and high temperature adjusting precision, and the power consumption is low, thereby achieving the purpose of energy conservation.
Description
Technical Field
The utility model relates to a water chilling unit, in particular to a variable-frequency water chilling unit for a laser.
Background
Laser instrument cold water machine group is mainly that laser generator to laser equipment carries out water circulative cooling, and control laser generator's service temperature, make laser generator keep normal work for a long time, laser equipment is at long-time operation in-process, laser generator can constantly produce high temperature, the normal work that laser generator will be influenced to the high temperature, so need laser cold water machine to carry out water circulative cooling accuse temperature, traditional laser instrument cold water machine group, adopt the steam bypass mode to adjust the temperature mostly, the regulation precision of temperature can reach 1 ℃ greatly, adjust the precision low, and power consumption is big.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned shortcomings of the prior art, it is an object of the present invention to provide a variable frequency chiller for a laser, which solves one or more problems of the prior art.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
the utility model provides a frequency conversion cooling water set for laser instrument, includes refrigeration cycle system and cold water storage cistern, refrigeration cycle system includes frequency conversion compressor, condenser and evaporimeter, the condenser includes heat exchange tube and frequency conversion fan, heat exchange tube import and frequency conversion compressor exit linkage, the refrigerant pipeline access connection of heat exchange tube export and evaporimeter, just the heat exchange tube export with connect electronic expansion valve on the connecting tube between the refrigerant pipeline import of evaporimeter, the refrigerant pipeline exit linkage frequency conversion compressor import of evaporimeter, the evaporimeter still includes cooling water pipeline, cooling water pipeline access connection cooling water inlet tube, cooling water pipeline exit linkage cold water storage cistern, the cold water discharge pipe is connected to the cold water storage cistern.
As a further improvement of the above technical solution:
the water heater is characterized by further comprising a normal-temperature water tank, the normal-temperature water tank is connected with a normal-temperature water inlet pipe and a normal-temperature water outlet pipe, the normal-temperature water inlet pipe is connected with a cold water tank through a first branch pipe, the normal-temperature water outlet pipe is connected with the normal-temperature water tank through a second branch pipe, the normal-temperature water inlet pipe is connected with a ball valve and a stop valve, the first branch pipe is connected with an electromagnetic valve, the normal-temperature water outlet pipe is connected with a ball valve, a water pressure gauge and a normal-temperature water pump, the second branch pipe is connected with an ion tank and the stop valve, and the cold water tank is connected with the normal-temperature water tank through an overflow pipe.
A first water temperature probe and a first heating pipe are arranged in the normal-temperature water tank, a second water temperature probe and a second heating pipe are arranged in the cold water tank, and a liquid level switch is further arranged in the normal-temperature water tank.
And an oil-water separator is connected on a pipeline between the variable frequency compressor and the heat exchange pipe of the condenser.
The variable frequency compressor is also provided with a ventilation exhaust pipe connected with the oil-water separator, and the exhaust pipe is connected with an exhaust temperature sensor and a high-pressure sensor.
And a connecting pipeline between the outlet of the heat exchange pipe and the inlet of the refrigerant pipeline of the evaporator is also connected with a liquid reservoir, a liquid adding valve, a drying filter and a liquid viewing mirror.
And a low-pressure sensor, a suction temperature sensor, a liquid adding valve and a gas-liquid separator are connected to a pipeline between a refrigerant pipeline outlet of the evaporator and the variable-frequency compressor.
And a pipeline between the outlet of the cooling water pipeline and the cold water tank is connected with a flow regulating switch.
And the cold water discharge pipe is connected with a ball valve, a low-temperature water pump, a water filter and a water pressure gauge.
The cold water discharge pipe is also connected with the cooling water inlet pipe through a return pipe, and the return pipe is connected with a stop valve.
Compared with the prior art, the utility model has the following beneficial technical effects:
1) the temperature of the cold water can be adjusted by adjusting the variable frequency compressor, the variable frequency fan and the electronic expansion valve, the temperature adjusting range is large, the temperature control precision can reach less than +/-0.3 ℃, the power consumption of a cold water unit can be reduced, and the purpose of energy conservation is achieved;
2) the normal temperature water tank is arranged, the water in the normal temperature water tank and the water in the cold water tank can be communicated, and the temperature adjusting function can be achieved;
3) the heating pipes and the water temperature probes are arranged in the normal-temperature water tank and the cold water tank, and the water temperature in the normal-temperature water tank and the water temperature in the cold water tank can be adjusted through the heating pipes;
4) the normal temperature water tank is connected with the second branch pipe, and water in the normal temperature water tank can form soft water after passing through the ion tank;
5) the cold water discharge pipe is also connected with the cooling water inlet pipe through a return pipe, so that water in the cold water tank can circularly enter the evaporator for circulating cooling according to conditions.
Drawings
Fig. 1 shows a schematic structural diagram of a variable frequency water chilling unit for a laser according to the present invention.
In the drawings, the reference numbers:
1. a variable frequency compressor; 11. an oil-water separator; 12. an exhaust pipe; 121. an exhaust gas temperature sensor; 122. a high pressure sensor; 2. a condenser; 21. a heat exchange pipe; 22. a variable frequency fan; 23. an electronic expansion valve; 24. a liquid charging valve; 25. drying the filter; 26. a liquid viewing mirror; 27. a reservoir; 3. an evaporator; 31. a cooling water inlet pipe; 32. a low pressure sensor; 33. an intake air temperature sensor; 35. a gas-liquid separator; 4. a cold water tank; 41. a cold water discharge pipe; 411. a low-temperature water pump; 412. a water filter; 42. an overflow pipe; 43. a second water temperature probe; 44. a second heating pipe; 45. a flow regulating switch; 46. a return pipe; 5. a normal temperature water tank; 51. a normal temperature water inlet pipe; 52. a normal temperature water outlet pipe; 521. a normal temperature water pump; 53. a first branch pipe; 531. an electromagnetic valve; 54. a second branch pipe; 541. an ion tank; 55. a first water temperature probe; 56. a first heating pipe; 57. a liquid level switch.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description. The advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are all used in a non-precise scale for the purpose of facilitating and distinctly aiding in the description of the embodiments of the present invention. To make the objects, features and advantages of the present invention comprehensible, reference is made to the accompanying drawings. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the implementation of the present invention, so that the present invention has no technical significance, and any structural modification, ratio relationship change or size adjustment should fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention.
As shown in fig. 1, the variable frequency water chiller for a laser according to the embodiment includes a refrigeration cycle system and a cold water tank 4, the refrigeration cycle system includes a variable frequency compressor 1, a condenser 2 and an evaporator 3, the condenser 2 includes a heat exchange tube 21 and a variable frequency fan 22, an outlet of the heat exchange tube 21 is connected to an inlet of a refrigerant pipeline of the evaporator 3, an electronic expansion valve 23 is connected to a connecting pipeline between an outlet of the heat exchange tube 21 and the inlet of the refrigerant pipeline of the evaporator 3, an inlet of the variable frequency compressor 1 is connected to an outlet of the refrigerant pipeline of the evaporator 3, the evaporator 3 further includes a cooling water pipeline, an inlet of the cooling water pipeline is connected to a cooling water inlet tube 31, an outlet of the cooling water pipeline is connected to the cold water tank 4, a flow regulating switch 45 is connected to a pipeline between the outlet of the cooling water pipeline and the cold water tank 4, a cold water discharge pipe 41 is connected to the cold water discharge pipe 41, a ball valve is connected to the cold water discharge pipe 41, and a low temperature water pump 411, The water filter 412, the water pressure gauge, the cooling water inlet pipe 31 and the cooling water outlet pipe 41 are connected with a circulating water system of the laser.
An inlet of the heat exchange tube 21 is connected with an outlet of the variable frequency compressor 1, an oil-water separator 11 is connected on a pipeline between the variable frequency compressor 1 and the heat exchange tube 21 of the condenser 2, the variable frequency compressor 1 is also connected with an air exhaust tube 12 and the oil-water separator 11, the exhaust tube 12 is connected with an exhaust temperature sensor 121 and a high-pressure sensor 122, a liquid reservoir 27, a liquid adding valve 24, a drying filter 25 and a liquid viewing mirror 26 are further connected on a connecting pipeline between an outlet of the heat exchange tube 21 and a refrigerant pipeline inlet of the evaporator 3, a low-pressure sensor 32 is connected on a pipeline between the refrigerant pipeline outlet of the evaporator 3 and the variable frequency compressor 1, an air suction temperature sensor 33, the liquid adding valve 24 and a gas-liquid separator 35.
Still include normal temperature water tank 5, normal temperature water inlet pipe 51 and normal temperature water outlet pipe 52 are connected to normal temperature water tank 5, cold water tank 4 is connected through first branch pipe 53 to normal temperature water inlet pipe 51, normal temperature water outlet pipe 52 connects through second branch pipe 54 and connects normal temperature water tank 5, ball valve and stop valve are connected to normal temperature water inlet pipe 51, connect solenoid valve 531 on the first branch pipe 53, the ball valve is connected to normal temperature water outlet pipe 52, the water pressure gauge, normal temperature water pump 521, connect ionic tank 541 and stop valve on the second branch pipe 54, cold water tank 5 is connected through overflow pipe 42 to cold water tank 4.
Set up first temperature probe 55 and first heating pipe 56 in the normal temperature water tank 5, can detect out the temperature in the normal temperature water tank 5 through first temperature probe 55, and the temperature in the adjustable normal temperature water tank 5 of accessible first heating pipe 56, set up second temperature probe 43 and second heating pipe 44 in the cold water tank 4, can detect out the temperature in the cold water tank 4 through second temperature probe 43, and the temperature in the adjustable cold water tank 4 of accessible second heating pipe 44, still set up level switch 57 in the normal temperature water tank 5, the liquid level in the detectable normal temperature water tank 5, in time, replenish or discharge the water in the normal temperature water tank 5.
The cold water outlet pipe 41 is also connected with the cooling water inlet pipe 31 through a return pipe 46, and a stop valve is connected to the return pipe 46, so that part of water in the cold water tank 4 can be circulated into the evaporator 3 through the return pipe 46 for circulating cooling.
The electronic equipment of the refrigeration cycle system, the cold water tank 4 and the normal temperature water tank 5 are electrically connected with the PLC control cabinet, and the refrigeration cycle system, the cold water tank 4 and the normal temperature water tank 5 are controlled by the PLC control cabinet to be started or closed, and stepless frequency conversion adjustment can be realized by controlling the frequency converter.
When the variable-frequency water chilling unit for the laser is used, a refrigerant is compressed by the variable-frequency compressor 1 to form a high-temperature high-pressure refrigerant, the refrigerant is separated by the oil-water separator 11 and then enters the heat exchange pipe 21 of the condenser 2, the variable-frequency fan 22 is started to perform air cooling on the high-temperature high-pressure refrigerant, the high-temperature high-pressure refrigerant is sent into the refrigerant pipeline of the evaporator 3 through the electronic expansion valve 23 after being cooled by air cooling and exchanges heat with water entering the cooling water pipeline of the evaporator 3, the water is cooled after being exchanged heat and then sent into the cold water tank 4, cold water in the cold water tank 4 can be discharged through the cold water discharge pipe 41 and sent into the circulating water system of the laser for circulating cooling in the laser, the cold water after being circularly cooled in the laser is sent into the evaporator 3 through the cooling water inlet pipe 31 again, the cold water can be continuously exchanged heat with the refrigerant to form the cold water supply tank 4, and the refrigerant forms a low-temperature refrigerant after being exchanged heat by the evaporator 3, the refrigerant is recycled to the inverter compressor 1 to be compressed continuously, the refrigerant is recycled in the refrigeration cycle system, and a liquid charging valve 24 is arranged to supplement the refrigerant in the refrigeration cycle system.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the spirit of the present invention, and these changes and modifications should fall within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The utility model provides a frequency conversion cooling water set for laser which characterized in that: including refrigeration cycle system and cold water storage cistern, refrigeration cycle system includes frequency conversion compressor, condenser and evaporimeter, the condenser includes heat exchange tube and frequency conversion fan, heat exchange tube import and frequency conversion compressor exit linkage, the refrigerant pipeline access connection of heat exchange tube export and evaporimeter, just the heat exchange tube export with connect electronic expansion valve on the connecting tube between the refrigerant pipeline import of evaporimeter, the refrigerant pipeline access connection frequency conversion compressor import of evaporimeter, the evaporimeter still includes cooling water pipeline, cooling water pipeline access connection cooling water inlet tube, cooling water pipeline access connection cold water storage cistern, the cold water discharge pipe is connected to the cold water storage cistern.
2. The variable frequency chiller for lasers of claim 1 wherein: the water heater is characterized by further comprising a normal-temperature water tank, the normal-temperature water tank is connected with a normal-temperature water inlet pipe and a normal-temperature water outlet pipe, the normal-temperature water inlet pipe is connected with a cold water tank through a first branch pipe, the normal-temperature water outlet pipe is connected with the normal-temperature water tank through a second branch pipe, the normal-temperature water inlet pipe is connected with a ball valve and a stop valve, the first branch pipe is connected with an electromagnetic valve, the normal-temperature water outlet pipe is connected with a ball valve, a water pressure gauge and a normal-temperature water pump, the second branch pipe is connected with an ion tank and the stop valve, and the cold water tank is connected with the normal-temperature water tank through an overflow pipe.
3. The variable frequency water chiller for lasers of claim 2 wherein: a first water temperature probe and a first heating pipe are arranged in the normal-temperature water tank, a second water temperature probe and a second heating pipe are arranged in the cold water tank, and a liquid level switch is further arranged in the normal-temperature water tank.
4. The variable frequency chiller for lasers of claim 1 wherein: and an oil-water separator is connected on a pipeline between the variable frequency compressor and the heat exchange pipe of the condenser.
5. The variable frequency water chiller for lasers of claim 4 wherein: the variable frequency compressor is also provided with a ventilation exhaust pipe connected with the oil-water separator, and the exhaust pipe is connected with an exhaust temperature sensor and a high-pressure sensor.
6. The variable frequency chiller for lasers of claim 1 wherein: and a connecting pipeline between the outlet of the heat exchange pipe and the inlet of the refrigerant pipeline of the evaporator is also connected with a liquid reservoir, a liquid adding valve, a drying filter and a liquid viewing mirror.
7. The variable frequency chiller for lasers of claim 1 wherein: and a low-pressure sensor, a suction temperature sensor, a liquid adding valve and a gas-liquid separator are connected to a pipeline between a refrigerant pipeline outlet of the evaporator and the variable-frequency compressor.
8. The variable frequency chiller for lasers of claim 1 wherein: and a pipeline between the outlet of the cooling water pipeline and the cold water tank is connected with a flow regulating switch.
9. The variable frequency chiller for lasers of claim 1 wherein: and the cold water discharge pipe is connected with a ball valve, a low-temperature water pump, a water filter and a water pressure gauge.
10. The variable frequency chiller for lasers of claim 9 wherein: the cold water discharge pipe is also connected with the cooling water inlet pipe through a return pipe, and the return pipe is connected with a stop valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122518737.0U CN216347139U (en) | 2021-10-19 | 2021-10-19 | Frequency conversion water chilling unit for laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122518737.0U CN216347139U (en) | 2021-10-19 | 2021-10-19 | Frequency conversion water chilling unit for laser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216347139U true CN216347139U (en) | 2022-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122518737.0U Active CN216347139U (en) | 2021-10-19 | 2021-10-19 | Frequency conversion water chilling unit for laser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216347139U (en) |
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2021
- 2021-10-19 CN CN202122518737.0U patent/CN216347139U/en active Active
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