CN211204634U - Control device for forced oil return of comprehensive refrigeration house - Google Patents
Control device for forced oil return of comprehensive refrigeration house Download PDFInfo
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- CN211204634U CN211204634U CN201921787997.4U CN201921787997U CN211204634U CN 211204634 U CN211204634 U CN 211204634U CN 201921787997 U CN201921787997 U CN 201921787997U CN 211204634 U CN211204634 U CN 211204634U
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Abstract
The utility model discloses a synthesize controlling means of freezer forced oil return, including unit, barrel pump device, controller and air-cooler, unit upper right side movable mounting has ambient temperature sensor, the controller is installed to the inside left side below electric connection of unit, the inside left side movable mounting of unit has oil level photoelectric sensor, there is the barrel pump device unit the place ahead through pipeline swing joint, install system pressure transmitter between barrel pump device and the unit, unit outside electric connection has the control monitoring line, control monitoring line other end electric connection has the air-cooler, air-cooler outside electric connection has the motorised valve, air-cooler top electric connection has the storehouse temperature sensor. The utility model discloses the device of the control of forced oil return can reach the automatic data adjustment correction according to gathering, has avoided unnecessary unit oil return trouble, leads to freezing unit shut down, the unnecessary economic loss who brings for the customer.
Description
Technical Field
The utility model relates to a freezer technical field specifically is a synthesize freezer and force controlling means of oil return.
Background
For a set of large-scale freezer system, according to the utilization rate of the freezer, under the condition of lower utilization rate, the number of the whole system freezer rooms is large, the poor system oil return can occur when the number of the freezer rooms is lower than 3, the oil exists in the end equipment air cooler due to the small circulation quantity of the system, the viscosity of the oil is high especially in winter, the oil return quantity of a small amount of air cooler meets the oil supply quantity of a compressor unit, and the oil supply quantity of the compressor is insufficient, so that the phenomenon generally exists in the market.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that the oil return of the refrigerating unit is not good in the operation process (especially in winter) of the large-sized cold storage in the prior art, the utility model provides a control device for forced oil return of the comprehensive cold storage.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model relates to a synthesize controlling means of freezer forced oil return, including unit, barrel pump device, controller and air-cooler, unit upper right side movable mounting has ambient temperature sensor, the inside left side below electric connection of unit installs the controller, the inside left side movable mounting of unit has oil level photoelectric sensor, there is barrel pump device unit the place ahead through pipeline swing joint, install system pressure transmitter between barrel pump device and the unit, unit outside electric connection has the control monitoring line, control monitoring line other end electric connection has the air-cooler, air-cooler outside electric connection has the motorised valve, air-cooler top electric connection has the storehouse temperature sensor.
Further, the quantity of air-cooler is provided with 8, and the model of air-cooler is D L1200, the quantity of storehouse temperature sensor is provided with 8, and the model of storehouse temperature sensor is PT 500-950.
Further, the controller is electrically connected with an ambient temperature sensor, an electric valve, an air cooler, an oil level photoelectric sensor, a system pressure transmitter, a barrel pump device and a unit through a control monitoring line, wherein the model of the controller is ECB-5060CN, the model of the ambient temperature sensor is PT100, and the model of the oil level photoelectric sensor is EE-SX 670-WR.
Furthermore, the warehouse temperature sensors are provided with 8 sensors, and the uniformly distributed and installed positions of the sensors are arranged on the outer sides of the corresponding air coolers.
Furthermore, the control monitoring line is provided with one set, and forms a complete control system with the novel other related electrical components.
Compared with the prior art, the utility model discloses following beneficial effect has: the method and the device can be widely applied to the refrigeration house equipment, solve the problems of insufficient oil return of the compressor, insufficient collection points, insufficient control logic and solution schemes thereof, and cannot automatically adjust and guarantee the oil return of the compressor unit. The forced oil return control device can automatically adjust and correct according to the acquired data, and avoids unnecessary oil return faults of the unit, so that the refrigeration unit stops running and unnecessary economic loss is brought to customers.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
In the figure: 1. an electrically operated valve; 2. an air cooler; 3. an oil level photoelectric sensor; 4. a system pressure transmitter; 5. an ambient temperature sensor; 6. a control monitoring line; 7. a reservoir temperature sensor; 8. a unit; 9. a barrel pump device; 10. and a controller.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Please refer to fig. 1, a control device for forced oil return of a comprehensive refrigeration storage comprises a unit 8, a barrel pump device 9, a controller 10 and an air cooler 2, wherein an environment temperature sensor 5 is movably mounted at the upper right side of the unit 8, the controller 10 is installed at the lower left side of the inside of the unit 8, an oil level photoelectric sensor 3 is movably mounted at the left side of the inside of the unit 8, the barrel pump device 9 is movably connected in front of the unit 8 through a pipeline, a system pressure transmitter 4 is installed between the barrel pump device 9 and the unit 8, a control monitoring line 6 is electrically connected at the outer side of the unit 8, the air cooler 2 is electrically connected at the other end of the control monitoring line 6, an electric valve 1 is electrically connected at the outer side of the air cooler 2, and a storage temperature sensor 7 is electrically connected at the upper.
The quantity of air-cooler 2 is provided with 8, and the model of air-cooler 2 is D L1200, the quantity of storehouse temperature sensor 7 is provided with 8, and the model of storehouse temperature sensor 7 is PT 500-950.
Wherein, it is required to explain that the quantity of air-cooler 2 is provided with 8, is this neotype demand, can change the quantity of air-cooler 2 according to the demand of difference in practical application, and what storehouse temperature sensor 7 adopted is wireless transmission signal's mode, and it is comparatively convenient to use.
The controller 10 is electrically connected with the ambient temperature sensor 5, the electric valve 1, the air cooler 2, the oil level photoelectric sensor 3, the system pressure transmitter 4, the barrel pump device 9 and the unit 8 through a control monitoring line 6, and adopts a serial or parallel connection mode according to the use requirement or the installation position.
The control monitoring line 6 is provided with a set of control monitoring line, and forms a complete control system with other related electrical components.
The working principle is as follows: the device is used according to the specification and the attached drawings, the control system is additionally provided with acquisition equipment (an acquired oil level photoelectric sensor 3, a warehouse temperature sensor 7, a system pressure transmitter 4, an environment temperature sensor 5, a controller 10 and a system running state) for comprehensive analysis and judgment, the 1-time air cooler which does not reach the offline temperature is forcibly started, the forced running returns oil to the system, other cold storages are continuously started if the oil level is still alarmed, the oil can reach a certain circulation amount, the oil return amount is ensured to ensure the stable running of the whole system, and the cold storages can be adjusted to be started and closed according to the real-time warehouse temperature inspection acquisition and the change condition of the detected oil level. The automatic adjustment and correction according to the data that gather have avoided unnecessary unit oil return trouble, lead to the refrigeration unit to stop operation.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited by the above embodiments, and that the orientations indicated by the terms "upper", "lower", "left" and "right" are based on the orientation shown in the drawings, and are only for convenience of description rather than requiring that the present invention must be operated in a specific orientation, and therefore should not be construed as limiting the present invention, and that the above embodiments and the description are only illustrative of the principles of the present invention, and that the present invention may be subject to various changes and modifications without departing from the spirit and scope of the present invention, and that such changes and modifications fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a synthesize controlling means of freezer forced oil return, includes unit (8), barrel pump device (9), controller (10) and air-cooler (2), its characterized in that: unit (8) upper right side movable mounting has ambient temperature sensor (5), controller (10) are installed to the inside left side below electric connection of unit (8), the inside left side movable mounting of unit (8) has oil level photoelectric sensor (3), there is barrel pump device (9) unit (8) the place ahead through pipeline swing joint, install system pressure transmitter (4) between barrel pump device (9) and unit (8), unit (8) outside electric connection has control monitoring line (6), control monitoring line (6) other end electric connection has air-cooler (2), air-cooler (2) outside electric connection has motorised valve (1), air-cooler (2) top electric connection has storehouse temperature sensor (7).
2. The control device for forced oil return of the comprehensive refrigeration house according to claim 1, wherein the number of the air coolers (2) is 8, the types of the air coolers (2) are D L1200, the number of the storage temperature sensors (7) is 8, and the types of the storage temperature sensors (7) are PT 500-950.
3. The control device for forced oil return of the comprehensive refrigeration house according to claim 1, characterized in that: controller (10) are through control monitoring line (6) and ambient temperature sensor (5), motorised valve (1), air-cooler (2), oil level photoelectric sensor (3), system pressure transmitter (4), barrel pump device (9) and unit (8) electric connection, wherein, the model of controller (10) is ECB-5060CN, the model of ambient temperature sensor (5) is PT100, the model of oil level photoelectric sensor (3) is EE-SX 670-WR.
4. The control device for forced oil return of the comprehensive refrigeration house according to claim 1, characterized in that: the control monitoring line (6) is provided with a set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921787997.4U CN211204634U (en) | 2019-10-23 | 2019-10-23 | Control device for forced oil return of comprehensive refrigeration house |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921787997.4U CN211204634U (en) | 2019-10-23 | 2019-10-23 | Control device for forced oil return of comprehensive refrigeration house |
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| Publication Number | Publication Date |
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| CN211204634U true CN211204634U (en) | 2020-08-07 |
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| CN201921787997.4U Active CN211204634U (en) | 2019-10-23 | 2019-10-23 | Control device for forced oil return of comprehensive refrigeration house |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608577A (en) * | 2019-10-23 | 2019-12-24 | 江苏精英冷暖设备工程有限公司 | Control device for forced oil return of comprehensive refrigeration house |
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2019
- 2019-10-23 CN CN201921787997.4U patent/CN211204634U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608577A (en) * | 2019-10-23 | 2019-12-24 | 江苏精英冷暖设备工程有限公司 | Control device for forced oil return of comprehensive refrigeration house |
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Inventor after: Shi Changqing Inventor before: Shi Changqing |