WO2016074431A1 - 一种压缩机油温控制装置及油温控制方法 - Google Patents

一种压缩机油温控制装置及油温控制方法 Download PDF

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Publication number
WO2016074431A1
WO2016074431A1 PCT/CN2015/076427 CN2015076427W WO2016074431A1 WO 2016074431 A1 WO2016074431 A1 WO 2016074431A1 CN 2015076427 W CN2015076427 W CN 2015076427W WO 2016074431 A1 WO2016074431 A1 WO 2016074431A1
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Prior art keywords
oil
pipe
outlet pipe
temperature control
cold
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English (en)
French (fr)
Inventor
肖福佳
苗志强
顾裕林
刘加春
马宁芳
练浩民
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/02—Lubrication; Lubricant separation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/04—Heating; Cooling; Heat insulation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N39/00—Arrangements for conditioning of lubricants in the lubricating system
    • F16N39/02—Arrangements for conditioning of lubricants in the lubricating system by cooling

Definitions

  • the present invention relates to the field of compressor technology, and in particular, to a compressor oil temperature control device and an oil temperature control method using the oil temperature control device.
  • the oil temperature control In the open screw refrigeration compressor group, the oil temperature control generally adopts the oil temperature control automatic regulating valve.
  • This automatic oil temperature regulating valve has the following disadvantages:
  • the oil temperature value is uncontrollable, sometimes high, sometimes low, it is difficult to reach the required temperature setting.
  • a new oil temperature control method and adjustment method are redesigned, which is simple and practical, and can be controlled and adjusted according to its own temperature setting value.
  • An object of the present invention is to provide a compressor oil temperature control device capable of achieving controllable oil discharge temperature
  • Still another object of the present invention is to provide a compressor oil temperature control device which is precise in oil discharge temperature control.
  • Still another object of the present invention is to provide an oil temperature control method capable of achieving controllable compressor oil discharge temperature.
  • the present invention employs the following technical solutions:
  • a compressor oil temperature control device includes an oil cooler having a hot oil inlet and a cold oil outlet, wherein the hot oil inlet is connected to a hot oil inlet pipe, and the cold oil outlet is connected a cold oil outlet pipe, the hot oil inlet pipe is provided with a bypass hot oil pipe, the bypass hot oil pipe and the cold oil outlet pipe are both connected to the total outlet pipe, and further includes a first regulating valve, the first A regulating valve is used to regulate the flow of hot oil from the bypass hot oil pipe to the total outlet pipe.
  • a second regulating valve is further included, wherein the second regulating valve is configured to regulate a flow of cold oil that is introduced into the total outlet pipe by the cold oil outlet pipe.
  • the first outlet pipe is provided with a first temperature sensor.
  • the controller further includes a controller, the first regulating valve and the second regulating valve are both electromagnetic valves, and the controller is respectively connected to the first regulating valve, the second regulating valve and the first Temperature Sensor.
  • the bypass hot oil pipe is provided with a second temperature sensor
  • the cold oil outlet pipe is provided with a third temperature sensor
  • the second temperature sensor and the third temperature sensor are both connected to the controller connection.
  • the first regulating valve and the second regulating valve are both shut-off valves.
  • the invention employs the following technical solutions:
  • An oil temperature control method for a compressor oil temperature control device as described above wherein a flow rate of hot oil introduced into the total outlet pipe by the bypass hot oil pipe is adjusted by the first regulating valve, so that the cold oil is The cold oil flowing out of the outlet pipe and the hot oil flowing out of the bypass hot oil pipe are mixed in the total outlet pipe to reach a target oil temperature.
  • the controller adjusts the hot oil flow of the bypass hot oil pipe into the total outlet pipe and the cold oil outlet pipe according to the hot oil temperature in the bypass hot oil pipe, the cold oil temperature in the cold oil outlet pipe, and the target oil temperature. The flow of cold oil from the total outlet pipe.
  • the compressor oil temperature control device has a bypass hot oil pipe on the hot oil inlet pipe of the oil cooler, and the bypass hot oil pipe and the cold oil outlet pipe are both connected to the total outlet pipe, and are adjusted by the first regulating valve.
  • the hot oil pipe is passed into the hot oil flow of the total outlet pipe, thereby adjusting the mixing ratio of the hot oil and the cold oil in the total outlet pipe, so that the hot oil drawn from the bypass hot oil pipe and the cold oil outlet pipe are discharged.
  • the cold oil is mixed to achieve the desired oil discharge temperature, and the structure is simple and the adjustment is convenient.
  • the oil temperature control method of the compressor oil temperature control device provided by the present invention adjusts the opening degree of the first regulating valve to adjust the flow rate of the hot oil flowing into the total outlet pipe by the bypass hot oil pipe, so that the hot and cold oil is mixed to achieve the required
  • the target oil temperature is convenient to adjust and effectively improve the performance of the compressor.
  • FIG. 1 is a front elevational view of a compressor oil temperature control device according to a first embodiment of the present invention
  • FIG. 2 is a plan view of a compressor oil temperature control device according to a first embodiment of the present invention
  • FIG 3 is a plan view of a compressor oil temperature control device according to a third embodiment of the present invention.
  • oil cooler 11, hot oil inlet; 12, cold oil outlet; 2, hot oil inlet pipe; 3, cold oil outlet pipe; 4, bypass hot oil pipe; 5, tee pipe; Total outlet pipe; 7, first regulating valve; 8, second regulating valve; 9, first temperature sensor; 10, second temperature sensor; 13, third temperature sensor.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • the embodiment provides a compressor oil temperature control device, as shown in FIG. 1 and FIG. 2, which includes an oil cooler 1, and two ends of the oil cooler 1 respectively have a hot oil inlet 11 and a cold oil outlet 12,
  • the hot oil inlet 11 is connected to the hot oil inlet pipe 2, and the cold oil outlet 12 is connected to the cold oil outlet pipe 3.
  • a bypass hot oil pipe 4 is taken out from the hot oil inlet pipe 2, and the bypass hot oil pipe 4 and the cold oil outlet pipe 3 are connected to the total outlet pipe 6 through the tee pipe 5.
  • a first regulating valve 7 is provided between the three-way pipe 5 and the bypass hot oil pipe 4, and the first regulating valve 7 is for regulating the flow rate of the hot oil that is introduced into the total outlet pipe 6 by the bypass hot oil pipe 4.
  • a second regulating valve 8 may be disposed between the cold oil outlet 12 and the cold oil outlet pipe 3, and the cold oil flow rate from the cold oil outlet pipe 3 to the total outlet pipe 6 may be adjusted through the second regulating valve 8 to cooperate
  • the first regulating valve 7 together adjusts the ratio of cold oil to hot oil in the total outlet pipe 6.
  • a first temperature sensor 9 is further disposed on the total outlet pipe 6, and the first regulating valve 7 and the second regulating valve 8 are both shut-off valves, which can be detected in the total outlet pipe 6 according to the observed first temperature sensor 9.
  • the oil temperature is adjusted by manually adjusting the first regulator valve 7 and the second regulator valve 8 until the target oil temperature is obtained.
  • the first regulating valve is not limited to be disposed between the tee pipe and the bypass hot oil pipe, and may be disposed on the bypass hot oil pipe or between the bypass hot oil pipe and the hot oil inlet;
  • the second regulating valve is also It is not limited to being disposed between the cold oil outlet and the cold oil outlet pipe, and may be disposed on the cold oil outlet pipe or between the cold oil outlet pipe and the tee pipe.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • the embodiment provides a compressor oil temperature control device, which has the same structure as that of the first embodiment, and includes an oil cooler.
  • the oil cooler has a hot oil inlet and a cold oil outlet respectively, and the hot oil inlet is connected.
  • the hot oil inlet pipe and the cold oil outlet are connected with a cold oil outlet pipe.
  • a bypass hot oil pipe is led out on the hot oil inlet pipe, and the bypass hot oil pipe and the cold oil outlet pipe are connected to the total outlet pipe through the tee pipe.
  • a first regulating valve is disposed between the tee pipe and the bypass hot oil pipe, and a second regulating valve is disposed between the cold oil outlet and the cold oil outlet pipe, and the first temperature sensor is disposed on the total outlet pipe.
  • the difference is that the first regulating valve and the second regulating valve in this embodiment are both solenoid valves, and the first regulating valve, the second regulating valve and the first temperature sensor are all connected to the controller.
  • the control method is that the target temperature is preset in the controller, and the controller compares the actual oil temperature detected by the first temperature sensor with the target temperature in real time, and adjusts the opening degree of the first regulating valve and the second regulating valve according to the comparison result. Until the actual oil temperature is equal to the target oil temperature.
  • the compressor oil temperature control device of the embodiment realizes automatic control of the oil temperature through the controller. Saved human resources.
  • Embodiment 3 is a diagrammatic representation of Embodiment 3
  • the embodiment provides a compressor oil temperature control device, as shown in FIG. 3, the structure of which is basically the same as that of the second embodiment, including an oil cooler 1, and the oil cooler 1 has a hot oil inlet 11 and two ends respectively.
  • the cold oil outlet 12 is connected to the hot oil inlet 11 to the hot oil inlet pipe 2, and the cold oil outlet 12 is connected to the cold oil outlet pipe 3.
  • a bypass hot oil pipe 4 is taken out from the hot oil inlet pipe 2, and the bypass hot oil pipe 4 and the cold oil outlet pipe 3 are connected to the total outlet pipe 6 through the tee pipe 5.
  • a first regulating valve 7 is disposed between the tee pipe 5 and the bypass hot oil pipe 4, and a second regulating valve 8 is disposed between the cold oil outlet 12 and the cold oil outlet pipe 3, and the first outlet pipe 6 is provided with a first Temperature sensor 9.
  • the first regulating valve 7 and the second regulating valve 8 are both solenoid valves, and the first regulating valve 7, the second regulating valve 8 and the first temperature sensor 9 are all connected to the controller.
  • the second temperature sensor 10 is disposed on the bypass hot oil pipe 4, and the third temperature sensor 13 is disposed on the cold oil outlet pipe 3, and the second temperature sensor 10 and the third temperature sensor 13 are also disposed.
  • the controller is pre-set with a target temperature, a diameter of the cold oil outlet pipe 3, and a diameter of the bypass hot oil pipe 4, and the controller can detect the temperature of the hot oil according to the second temperature sensor 10 and the third temperature sensor 13 and The cold oil temperature is combined with the diameter of the bypass hot oil pipe 4, the diameter of the cold oil outlet pipe 3, and the target thermometer to calculate the opening degrees of the first regulator valve 7 and the second regulator valve 8, thereby quickly reaching the desired target temperature.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Compressor (AREA)

Abstract

一种压缩机油温控制装置，包括油冷却器（1），油冷却器（1）上开有热油入口（11）和冷油出口（12），热油入口（11）连接热油入口管（2），冷油出口（12）连接冷油出口管（3），热油入口管（2）上引出旁通热油管（4），旁通热油管（4）和冷油出口管（3）均接入总出口管（6），还包括第一调节阀（7），第一调节阀（7）用于调节由旁通热油管（4）通入总出口管（6）的热油流量。利用该压缩机油温控制装置的油温控制方法。该压缩机油温控制装置通过第一调节阀调节旁通热油管通入总出口管的热油流量，从而调节总出口管内热油和冷油的混合比例，使得旁通热油管引出的热油与冷油出口管流出的冷油混合从而达到所需的出油温度，结构简单，调节方便。

Description

一种压缩机油温控制装置及油温控制方法 技术领域
本发明涉及压缩机技术领域，尤其涉及一种压缩机油温控制装置以及使用该油温控制装置的油温控制方法。
背景技术
开启式螺杆制冷压缩机组中，油温控制一般都采用油温控制自动调节阀，这个自动油温调节阀存在如下弊端：
1)、出油温度值不可控，有时偏高，有时偏低，很难达到需要的温度设定值。
2)、由于没有外置调节机构，一旦自动油温调节阀失效，机组将无法开启，直接影响整个机组运行效率。
为了解决如上缺点，重新设计一种油温控制方式及调节方法，简单实用，而且能根据自己的温度设定值进行可控调节。
发明内容
本发明的一个目的是提出一种能够实现出油温度可控的压缩机油温控制装置；
本发明的再一个目的是提出一种出油温度控制精确的压缩机油温控制装置。
本发明的还一个目的是提出一种能够实现压缩机出油温度可控的油温控制方法。
为达此目的，一方面，本发明采用以下技术方案：
一种压缩机油温控制装置，包括油冷却器，所述油冷却器上开有热油入口和冷油出口，所述热油入口连接热油入口管，所述冷油出口连接 冷油出口管，所述热油入口管上引出有旁通热油管，所述旁通热油管和所述冷油出口管均接入总出口管，还包括第一调节阀，所述第一调节阀用于调节由所述旁通热油管通入所述总出口管的热油流量。
优选的，还包括第二调节阀，所述第二调节阀用于调节由所述冷油出口管通入所述总出口管的冷油流量。
优选的，所述总出口管上设置有第一温度传感器。
优选的，还包括控制器，所述第一调节阀和所述第二调节阀均为电磁阀，所述控制器分别连接所述第一调节阀、所述第二调节阀和所述第一温度传感器。
优选的，所述旁通热油管上设置有第二温度传感器，所述冷油出口管上设置有第三温度传感器，所述第二温度传感器和所述第三温度传感器均与所述控制器连接。
优选的，所述第一调节阀和所述第二调节阀均为截止阀。
另一方面，本发明采用以下技术方案：
一种如上所述压缩机油温控制装置的油温控制方法，通过所述第一调节阀调节由所述旁通热油管通入所述总出口管的热油流量，使得由所述冷油出口管流出的冷油以及由所述旁通热油管流出的热油在所述总出口管内混合后达到目标油温。
优选的，控制器根据旁通热油管内的热油温度、冷油出口管内的冷油温度以及目标油温分别调节旁通热油管通入总出口管的热油流量和冷油出口管通入总出口管的冷油流量。
本发明的有益效果为：
本发明提供的压缩机油温控制装置在油冷却器的热油入口管上引出有旁通热油管，旁通热油管和冷油出口管均接入总出口管，通过第一调节阀调节旁通热油管通入总出口管的热油流量，从而调节总出口管内热油和冷油的混合比例，使得旁通热油管引出的热油与冷油出口管流出的 冷油混合从而达到所需的出油温度，结构简单，调节方便。
本发明提供的上述压缩机油温控制装置的油温控制方法通过调节第一调节阀的开度来调节由旁通热油管流入总出口管的热油流量，使得冷热油混合后达到所需的目标油温，调节方便，有效提高压缩机的性能。
附图说明
图1是本发明实施例一提供的压缩机油温控制装置的主视图；
图2是本发明实施例一提供的压缩机油温控制装置的俯视图；
图3是本发明实施例三提供的压缩机油温控制装置的俯视图。
图中，1、油冷却器；11、热油入口；12、冷油出口；2、热油入口管；3、冷油出口管；4、旁通热油管；5、三通管；6、总出口管；7、第一调节阀；8、第二调节阀；9、第一温度传感器；10、第二温度传感器；13、第三温度传感器。
具体实施方式
下面结合附图并通过具体实施方式来进一步说明本发明的技术方案。
实施例一：
本实施例提供了一种压缩机油温控制装置，如图1和图2所示，其包括油冷却器1，油冷却器1的两端分别开有热油入口11和冷油出口12，热油入口11连接有热油入口管2，冷油出口12连接有冷油出口管3。在热油入口管2上引出有旁通热油管4，旁通热油管4和冷油出口管3通过三通管5接入总出口管6。
在三通管5与旁通热油管4之间设置有第一调节阀7，第一调节阀7用于调节由旁通热油管4通入总出口管6的热油流量。通过调节第一调节阀7的开度以改变旁通热油管4通入总出口管6的热油流量，从而调节总出口管6内热油和冷油的混合比例，使得旁通热油管4引出的热油 与冷油出口管3流出的冷油混合从而达到所需的出油温度，结构简单，调节方便。
进一步的，可在冷油出口12与冷油出口管3之间设置第二调节阀8，通过第二调节阀8可调节由冷油出口管3通入总出口管6的冷油流量，配合第一调节阀7一起调节总出口管6内冷油和热油的比例。
在总出口管6上还设置有第一温度传感器9，第一调节阀7和第二调节阀8均为截止阀，可根据观察到的第一温度传感器9检测到的总出口管6内的油温，通过手动调节第一调节阀7和第二调节阀8来调节直至获得目标油温。
其中，第一调节阀不局限于设置于三通管与旁通热油管之间，也可以设置在旁通热油管上或者设置于旁通热油管与热油入口之间；第二调节阀也不局限于设置在冷油出口与冷油出口管之间，也可以设置在冷油出口管上或者设置在冷油出口管与三通管之间。
实施例二：
本实施例提供了一种压缩机油温控制装置，其结构与实施例一基本相同，包括油冷却器，油冷却器的两端分别开有热油入口和冷油出口，热油入口连接有热油入口管，冷油出口连接有冷油出口管。在热油入口管上引出有旁通热油管，旁通热油管和冷油出口管通过三通管接入总出口管。在三通管与旁通热油管之间设置有第一调节阀，冷油出口与冷油出口管之间设置有第二调节阀，总出口管上设置有第一温度传感器。
不同之处在于，本实施例中的第一调节阀和第二调节阀均为电磁阀，第一调节阀、第二调节阀和第一温度传感器均连接控制器。其控制方法为，控制器内预设有目标温度，控制器将第一温度传感器实时检测到的实际油温与目标温度对比，根据对比结果来调节第一调节阀和第二调节阀的开度，直至实际油温与目标油温相等。
本实施例的压缩机油温控制装置通过控制器实现了油温的自动控制， 节约了人力资源。
实施例三：
本实施例提供了一种压缩机油温控制装置，如图3所示，其结构与实施例二基本相同，包括油冷却器1，油冷却器1的两端分别开有热油入口11和冷油出口12，热油入口11连接有热油入口管2，冷油出口12连接有冷油出口管3。在热油入口管2上引出有旁通热油管4，旁通热油管4和冷油出口管3通过三通管5接入总出口管6。在三通管5与旁通热油管4之间设置有第一调节阀7，冷油出口12与冷油出口管3之间设置有第二调节阀8，总出口管6上设置有第一温度传感器9。第一调节阀7和第二调节阀8均为电磁阀，第一调节阀7、第二调节阀8和第一温度传感器9均连接控制器。
不同之处在于，本实施例在旁通热油管4上设置有第二温度传感器10，在冷油出口管3上设置有第三温度传感器13，第二温度传感器10和第三温度传感器13也与控制器连接，控制器内预设有目标温度、冷油出口管3直径以及旁通热油管4直径，控制器可根据第二温度传感器10和第三温度传感器13检测到的热油温度和冷油温度结合旁通热油管4直径、冷油出口管3直径以及目标温度计算出第一调节阀7和第二调节阀8的开度，从而快速达到所需的目标温度。
以上结合具体实施例描述了本发明的技术原理。这些描述只是为了解释本发明的原理，而不能以任何方式解释为对本发明保护范围的限制。基于此处的解释，本领域的技术人员不需要付出创造性的劳动即可联想到本发明的其它具体实施方式，这些方式都将落入本发明的保护范围之内。

Claims (9)

  1. 一种压缩机油温控制装置，包括油冷却器(1)，所述油冷却器(1)上开有热油入口(11)和冷油出口(12)，所述热油入口(11)连接热油入口管(2)，所述冷油出口(12)连接冷油出口管(3)，其特征在于：在所述热油入口管(2)上引出有旁通热油管(4)，所述旁通热油管(4)和所述冷油出口管(3)均接入总出口管(6)，所述压缩机油温控制装置还包括第一调节阀(7)，所述第一调节阀(7)用于调节由所述旁通热油管(4)通入所述总出口管(6)的热油流量。
  2. 根据权利要求1所述的压缩机油温控制装置，其特征在于：所述压缩机油温控制装置还包括第二调节阀(8)，所述第二调节阀(8)用于调节由所述冷油出口管(3)通入所述总出口管(6)的冷油流量。
  3. 根据权利要求1所述的压缩机油温控制装置，其特征在于：所述总出口管(6)上设置有第一温度传感器(9)。
  4. 根据权利要求2所述的压缩机油温控制装置，其特征在于：所述总出口管(6)上设置有第一温度传感器(9)。
  5. 根据权利要求4所述的压缩机油温控制装置，其特征在于：所述压缩机油温控制装置还包括控制器，所述第一调节阀(7)和所述第二调节阀(8)均为电磁阀，所述控制器分别连接所述第一调节阀(7)、所述第二调节阀(8)和所述第一温度传感器(9)。
  6. 根据权利要求5所述的压缩机油温控制装置，其特征在于：所述旁通热油管(4)上设置有第二温度传感器(10)，所述冷油出口管(3)上设置有第三温度传感器(13)，所述第二温度传感器(10)和所述第三温度传感器(13)均与所述控制器连接。
  7. 根据权利要求2所述的压缩机油温控制装置，其特征在于：所述第一调节阀(7)和所述第二调节阀(8)均为截止阀。
  8. 一种如权利要求1至7中任一项所述的压缩机油温控制装置的油温控制方法，其特征在于：通过所述第一调节阀(7)调节由所述旁通热油管(4)通入所述总出口管(6)的热油流量，使得由所述冷油出口管(3)流出的冷油以及由所述旁通热油管(4)流出的热油在所述总出口管(6)内混合后达到目标油温。
  9. 根据权利要求8所述的油温控制方法，其特征在于：控制器根据所述旁通热油管(4)内的热油温度、所述冷油出口管(3)内的冷油温度以及目标油温分别调节旁通热油管(4)通入所述总出口管(6)的热油流量和所述冷油出口管(3)通入所述总出口管(6)的冷油流量。
PCT/CN2015/076427 2014-11-14 2015-04-13 一种压缩机油温控制装置及油温控制方法 Ceased WO2016074431A1 (zh)

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