CN2752489Y - Non-stage frequency changeable screw type refrigerant compressor and control device - Google Patents
Non-stage frequency changeable screw type refrigerant compressor and control device Download PDFInfo
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- CN2752489Y CN2752489Y CN 200420116012 CN200420116012U CN2752489Y CN 2752489 Y CN2752489 Y CN 2752489Y CN 200420116012 CN200420116012 CN 200420116012 CN 200420116012 U CN200420116012 U CN 200420116012U CN 2752489 Y CN2752489 Y CN 2752489Y
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- motor
- compressor
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- temperature inductor
- controller
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Abstract
The utility model relates to a non-stage frequency changeable screw type refrigerant compressor and a controller and comprises a compressor body. A motor and a screw type compressing assembly are arranged in the compressor body, wherein the motor can be controlled by the non-stage frequency changeable controller. The frequency changeable controller comprises an induction signal unit, and the induction signal unit comprises a temperature inductor and a humidity inductor arranged on the work detection place. The induction signal unit also comprises an ice-water supply refrigerator set inlet / inlet water temperature inductor connected with an evaporator ice-water pipe line, and the temperature inductor, the humidity inductor and the ice-water supply refrigerator set inlet / inlet water temperature inductor can respectively provide signals to cause the non-stage frequency changeable controller to control the rotational speed of the motor. The non-stage frequency changeable screw type refrigerant compressor and the controller can achieve the purposes of energy saving and efficiency optimization.
Description
Technical field
The utility model is spiral cold medium compressor and the control gear about a kind of section of nothing frequency conversion, refers in particular to the no section frequency-variable controller and the matable assembly thereof of the motor rotary speed of a kind of may command compressor block inside.
Background technique
The screw compressor group includes assemblies such as compressor block, condenser, vaporizer, connect with pipeline each other, aforesaid pipeline inside is provided with refrigerant, refrigerant is output as the gaseous state of High Temperature High Pressure by the compressor block end, lower the temperature through condenser, the refrigerant that becomes gaseous state through vaporizer heat absorption enters gaseous state that the compressor block internal compression is output as High Temperature High Pressure again again constituting circulation again, and adjusts vaporizer frozen water water temperature in this way and use the temperature of operational site is lowered the temperature.
As shown in Figure 5, be a kind of known screw compressor and control gear, it includes: a compressor block (60), its inside is provided with induction type motor (61), this motor (61) is arranged at the outrigger shaft (62) of spiral compression assembly (63), because this motor (61) be induction type motor, the rotating speed of this outrigger shaft (62) and spiral compression assembly (63) is a fixed value and can not adjusting;
Spiral compression assembly (63) is provided with oil separator (65) in the refrigerant outlet, make the refrigerant can be through the centrifugation of oil separator (65), so that refrigeration oil (66) is separated by oil separator (65) and filters in compressor block (60) inner lower;
But, can be arranged at compressor block (60) inside by a capacity regulating mechanism (70) in order to regulate the amount of refrigerant output; Capacity regulating mechanism (70) is provided with spring (71), regulating lever (72) and is positioned at the slide block (73) that regulating lever (72) one ends are provided with, and this slide block (73) can be adjusted bar (72) and promote or pull back, with the amount of control refrigerant output.
Its shortcoming is: because motor (61) is a kind of induction type motor, the fixing related speed that makes spiral compression assembly (63) export refrigerant of its rotating speed is identical, when the operational site has reached required cooling effect, promptly by adjusting the inlet end place that is back to spiral compression assembly (63) after capacity regulating mechanism (70) compresses refrigerant again again, and can cause the problem of doing virtual work, on efficient, also can't effectively promote.
Novel content
Task to be solved in the utility model provides a kind of spiral cold medium compressor and control gear of the section of nothing frequency conversion, do virtual work to improve above-mentioned the existence because of using capacity regulating mechanism to cause refrigerant compression back to reflux, the problem that efficient is unclear, the utility model mainly can make temperature inductor and humidity sensor and frozen water unit go out/the inlet water temperature inductor can provide signal to make the rotating speed of frequency-variable controller control induction type motor respectively, can reach energy-conservation and efficient optimization purpose, and can make refrigeration oil spray the mode that compression assembly is reached better heat radiation that enters with multipoint system, so that delivery temperature is constant at lower temperature, efficiengy-increasing; When the rotating speed of motor is low, cold medium flux is little, when motor temperature rises, utilizes the cooling medium liquid injection controller to cool off according to motor rotary speed or temperature.
In order to achieve the above object, the utility model takes following technological means to be reached, and wherein the utility model comprises:
One compressor block, its inside is provided with an induction type motor, and motor is arranged at the outrigger shaft of spiral compression assembly;
One does not have the section frequency-variable controller, the controllable motor rotating speed, not having the section frequency-variable controller is with compositions such as induced signal unit, and the induced signal unit comprises that temperature inductor, humidity sensor that is arranged at the operational site and the frozen water unit that is connected with vaporizer frozen water pipeline go out/the inlet water temperature inductor;
One solenoid valve can be controlled by the cooling medium liquid injection controller, and solenoid valve is sentenced pipeline the refrigerant that inside is provided with is connected to the motor place;
One refrigeration oil pressure reduction regulating device, can the row of utilization, the height pressure reduction of suction end, the multi-point injection of control refrigeration oil is in the freezing oil mass at spiral compression assembly place, when the lower operating mode of motor rotary speed, reduce the oil mass of being sprayed, make oil separator reach deoiling effect preferably.
Spiral compression assembly and the control gear that does not have the section frequency conversion provided by the utility model, the concrete effect enhancement that can obtain comprises:
One, can in addition, cooperate the setting of no displacement-regulating sliding piece by the rotating speed that does not have section frequency-variable controller control motor, refrigerant is not refluxed fully, can not form the virtual work waste fully, more can promote efficient.
Two, according to the frozen water unit go out/inlet water temperature inductor induction is through the frozen water temperature difference of vaporizer, utilizes a rotating speed that does not have section frequency-variable controller control motor, to reach energy-conservation and efficient optimization purpose.
Three, can make the refrigeration oil folk prescription reach the mode of heat radiation to entering compression assembly, changing " multiple spot " into sprays, so that delivery temperature is constant at lower temperature, efficiengy-increasing, and by refrigeration oil pressure reduction regulating device, when the lower operating mode of rotating speed, reduce the oil mass of being sprayed, make oil separator reach deoiling effect preferably.
Four, the rotating speed when motor is low, and cold medium flux is little, when motor temperature rises, utilizes refrigerant " liquid injections " principle to cool off, by the cooling medium liquid injection controller according to motor rotary speed or temperature, the decision straying quatity how much.
Description of drawings
Fig. 1 is the sectional drawing of compressor block of the present utility model.
Fig. 2 is the schematic representation of frequency-variable controller of the present utility model.
Fig. 3 is the schematic flow sheet of system of the present utility model.
Fig. 4 is a freezing oil pressure control unit schematic representation of the present utility model
Fig. 5 is the sectional drawing of known compressor block.
(10) compressor block
(11) motor
(12) outrigger shaft
(13) spiral compression assembly
(14) there is not the section frequency-variable controller
(20) baffler
(30) condenser
(40) vaporizer
(41) the frozen water unit goes out/the inlet water temperature inductor
(50) operational site
(51) temperature inductor
(52) humidity sensor
(53) solenoid valve
(54) cooling medium liquid injection controller
(55) pipeline
(56) freezing oil pressure control unit
(561) high voltage terminal
(562) block
(563) oil outlet tube
(57) pipeline
(58) pipeline
(59) oil separator
(591) refrigeration oil
(60) compressor block
(61) motor
(62) outrigger shaft
(63) spiral compression assembly
(65) oil separator
(66) refrigeration oil
(70) capacity regulating mechanism
(71) spring
(72) regulating lever
(73) slide block
Embodiment
Please referring to shown in Figure 3, be system flow schematic representation of the present utility model, include a compressor block (10), its mat pipeline is connected to baffler (20), baffler (20) mat pipeline is connected to condenser (30), condenser (30) mat pipeline is connected to vaporizer (40), vaporizer (40) is connected to compressor block (10) with pipeline, and vaporizer (40) end configuration frozen water pipeline is connected to the operational site (50) of desire cooling again, aforesaid pipeline inside is provided with refrigerant, refrigerant is output as high-temperature high-pressure state by compressor block (10), through condenser (30) cooling, the refrigerant through vaporizer (40) heat absorption becoming gaseous state enters the gaseous state of compressor block (10) internal compression output High Temperature High Pressure again to constitute circulation again.
As shown in Figure 1, 2, 3, the utility model is screw compressor and control gear that can the frequency conversion of the section of nothing, comprises a compressor block (10), and its inside is provided with a motor (11), and motor (11) is arranged at the outrigger shaft (12) of spiral compression assembly (13);
One does not have section frequency-variable controller (14), the rotating speed of its controllable motor (11), and this nothing section frequency-variable controller (14) is made up of the induced signal unit; Induced signal unit wherein comprises that temperature inductor (51) that is arranged at operational site (50) and the humidity sensor that is arranged at operational site (50) (52) go out/inlet water temperature inductor (41) with comprising the frozen water unit that is connected with vaporizer (40) frozen water pipeline;
One solenoid valve (53) can be controlled by a cooling medium liquid injection controller (54), sentences pipeline (58) in solenoid valve (53) and is communicated to motor (11) and locates;
One refrigeration oil pressure reduction regulating device (56), the multi-point injection of may command refrigeration oil be in the freezing oil mass at spiral compression assembly place, and the refrigeration oil (591) that connects oil separator (59) with pipeline (57) is located with the compression assembly (13) of compressor.
The utility model when using (as Fig. 1,3, shown in 4), mainly can respond to operational site (50) temperature inside and humidity respectively with humidity sensor (52) by being arranged at operational site (50) temperature inside inductor (51), the frozen water unit that is connected with vaporizer (40) frozen water pipeline goes out/and inlet water temperature inductor (41) induction enters and exports the frozen water difference variation of vaporizer (40), and can provide the signal order not have the rotating speed of section frequency-variable controller (14) control motor (11) respectively, that is when needing more refrigerant output, then improve the rotating speed of motor (11), if when only needing less refrigerant output, then can reduce the rotating speed of motor (11), to reach energy-conservation and efficient optimization purpose, so that refrigerant can not be back to spiral compression assembly again and cause the problem of doing virtual work as known configurations, so the utility model can effectively promote efficient.
Be the refrigeration oil folk prescription to be improved to form a plurality of spray-holes around spiral compression assembly to the mode that enters spiral compression assembly (13) form " multiple spot " injection in the utility model, but in addition mat refrigeration oil pressure reduction regulating device (56) high pressure (561) of discharging with spiral compression assembly (13) with enter refrigerant pressure and form pressure reduction, promote block (562) make refrigeration oil can by oil outlet tube (563) by the road (55) enter spiral compression assembly (13) and locate, and can determine what of straying quatity, so that delivery temperature is constant, efficiengy-increasing.
As shown in Figure 1, 2, rotating speed when motor (11) in the utility model is low, cold medium flux is little, when motor (11) temperature rises, utilize refrigerant " liquid injection " principle to cool off, by not having section frequency-variable controller (14) according to motor (11) temperature, by cooling medium liquid injection controller (54) control electromagnetic valve (53), refrigerant (58) by the road inputs to motor (11) and locates, and straying quatity what can determine, to cool off.
Claims (5)
- One kind can the frequency conversion of the section of nothing spiral cold medium compressor and control gear, it is characterized in that, comprising:One compressor block, its inside is provided with motor, and motor is arranged at the outrigger shaft of spiral compression assembly;One does not have section frequency-variable controller, controllable motor rotating speed;One induced signal unit can provide signal to frequency-variable controller;One solenoid valve can be controlled by a motor cooling medium liquid injection controller, and solenoid valve is sentenced a pipeline its inner refrigerant that is provided with is communicated to the motor place;One refrigeration oil pressure reduction regulating device, the multi-point injection of may command refrigeration oil be in the freezing oil mass at spiral compression assembly place, and connect the compression assembly place of oil separator refrigeration oil and compressor with pipeline.
- 2. the spiral cold medium compressor and the control gear of the section of nothing frequency conversion as claimed in claim 1 is characterized in that, described induced signal unit comprises the temperature inductor of responding to the operational site.
- 3. the spiral cold medium compressor and the control gear of the section of nothing frequency conversion as claimed in claim 1 is characterized in that, described induced signal unit comprises the humidity sensor of responding to the operational site.
- 4. the spiral cold medium compressor and the control gear of the section of nothing frequency conversion as claimed in claim 1 is characterized in that, described induced signal unit comprises that the frozen water unit goes out/the inlet water temperature inductor.
- 5. the spiral cold medium compressor and the control gear of the section of nothing frequency conversion as claimed in claim 4 is characterized in that, and described frozen water unit goes out/and the inlet water temperature inductor is connected with vaporizer frozen water pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420116012 CN2752489Y (en) | 2004-12-01 | 2004-12-01 | Non-stage frequency changeable screw type refrigerant compressor and control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420116012 CN2752489Y (en) | 2004-12-01 | 2004-12-01 | Non-stage frequency changeable screw type refrigerant compressor and control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2752489Y true CN2752489Y (en) | 2006-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420116012 Expired - Fee Related CN2752489Y (en) | 2004-12-01 | 2004-12-01 | Non-stage frequency changeable screw type refrigerant compressor and control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2752489Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101379297B (en) * | 2006-01-31 | 2012-03-28 | 艾拉斯科普库空气动力股份有限公司 | Improved compressor device |
| CN104359262A (en) * | 2014-12-08 | 2015-02-18 | 合肥华凌股份有限公司 | Flow regulating device and refrigeration equipment with same |
| CN108799125A (en) * | 2018-05-31 | 2018-11-13 | 江苏雪梅制冷设备有限公司 | A kind of double-screw refrigeration compressor intelligent frequency convertor |
-
2004
- 2004-12-01 CN CN 200420116012 patent/CN2752489Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101379297B (en) * | 2006-01-31 | 2012-03-28 | 艾拉斯科普库空气动力股份有限公司 | Improved compressor device |
| CN104359262A (en) * | 2014-12-08 | 2015-02-18 | 合肥华凌股份有限公司 | Flow regulating device and refrigeration equipment with same |
| CN108799125A (en) * | 2018-05-31 | 2018-11-13 | 江苏雪梅制冷设备有限公司 | A kind of double-screw refrigeration compressor intelligent frequency convertor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Beijing Fusheng Machinery Co., Ltd. Assignor: Fusheng Co., Ltd. Contract fulfillment period: 2008.5.26 to 2016.5.25 Contract record no.: 2009110000051 Denomination of utility model: Non-stage frequency changeable screw type refrigerant compressor and control device Granted publication date: 20060118 License type: Exclusive license Record date: 20090428 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.5.26 TO 2016.5.25; CHANGE OF CONTRACT Name of requester: BEIJING FUZHENG MACHINARY CO., LTD. Effective date: 20090428 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060118 Termination date: 20131201 |