CN206074077U - A kind of refrigerant tank real-time monitoring device - Google Patents
A kind of refrigerant tank real-time monitoring device Download PDFInfo
- Publication number
- CN206074077U CN206074077U CN201620910843.XU CN201620910843U CN206074077U CN 206074077 U CN206074077 U CN 206074077U CN 201620910843 U CN201620910843 U CN 201620910843U CN 206074077 U CN206074077 U CN 206074077U
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- Prior art keywords
- refrigerant tank
- sensor
- monitoring device
- time monitoring
- machine interface
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- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The utility model proposes a kind of refrigerant tank real-time monitoring device, including refrigerant tank, sensor, PLC control electronic box and man machine interface, the sensor is on refrigerant tank；The sensor is connected with PLC control electronic boxs；The PLC controls electronic box is connected with man machine interface.Sensor on refrigerant tank real-time monitoring device refrigerant tank of the present utility model can detect the real-time pressure of refrigerant tank and can be shown in sensor itself in digital form, and can be shown in man machine interface by circuit, one alarm lamp is set in man machine interface, warning can be sent when the liquid level of refrigerant tank is less than certain value, staff is reminded to carry out replacing coolant, intelligence degree is high, and certainty of measurement is accurate.
Description
Technical field
This utility model is related to refrigerant tank level monitoring, especially a kind of refrigerant tank real-time monitoring device.
Background technology
Using liquid gases as coolant be in the industry now it is relatively common, but although the refrigerant tank of routine has a pressure
Power table can show the pressure value in tank, but error not directly perceived enough is big, and observation is also inconvenient；Or measured with check weighing method, Jing
Often occur that the coolant in refrigerant tank has been vented the problem that still operator still do not have found.
Utility model content
The utility model proposes a kind of refrigerant tank real-time monitoring device, overcomes refrigerant tank measurement error not directly perceived enough greatly,
Observation is also inconvenient, and the coolant in refrigerant tank has been vented the defect of the still problem that operator still do not have found.
What the technical solution of the utility model was realized in：A kind of refrigerant tank real-time monitoring device, including refrigerant tank, biography
Sensor, PLC control electronic boxs and man machine interface, it is characterised in that：The sensor is located on refrigerant tank；The sensor and PLC
Control electronic box connection；The PLC controls electronic box is connected with man machine interface.
Further, the sensor is provided with sample point and lower sample point, the upper sample point and lower sample point difference position
Top and bottom inside refrigerant tank.
Further, PLC control electronic box is provided with expansion module, and the expansion module is to numbers such as the pressure measxurements of sensor
According to carrying out data acquisition and data processing.
Further, the man machine interface is provided with display screen；The display screen is connected with the expansion module of PLC.
Further, the man machine interface is additionally provided with alarm, and the alarm is connected with display screen.
Further, the sensor is pressure measurement sensor, and the pressure measurement sensor is provided with display table.
The beneficial effects of the utility model are：Sensor on refrigerant tank real-time monitoring device refrigerant tank of the present utility model
The real-time pressure of refrigerant tank can be detected and can be shown in sensor itself in digital form, it is possible to be existed by circuit
Show in man machine interface, an alarm lamp is set in man machine interface, can be sent when the liquid level of refrigerant tank is less than certain value
Report to the police, remind staff to carry out replacing coolant, intelligence degree is high, and certainty of measurement is accurate.
Description of the drawings
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or accompanying drawing to be used is briefly described needed for description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is a kind of intention of refrigerant tank real-time monitoring device one embodiment of this utility model；
In accompanying drawing：1- refrigerant tanks；2-PLC controls electronic box；21- expansion modules；3- sensors；31- shows table；Take under 32-
Sampling point；The upper sample points of 33-；4- man machine interfaces；41- display screens；42- alarms.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only this utility model a part of embodiment, rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of this utility model protection.
As shown in figure 1, a kind of refrigerant tank real-time monitoring device, including refrigerant tank 1, sensor 3, PLC control electronic box 2 and people
Machine interface 4, sensor 3 are located on refrigerant tank 1；Sensor 3 is connected with PLC control electronic boxs 2；PLC controls electronic box 2 and man machine interface
4 connections.
Sensor 3 is provided with sample point 33 and lower sample point 32, and upper sample point 33 and lower sample point 32 are located at coolant respectively
Top and bottom inside tank 1.
PLC control electronic boxs 2 are provided with expansion module 22, and expansion module 22 enters line number to data such as the pressure measxurements of sensor 3
According to collection and data processing.
Man machine interface 4 is provided with display screen 41；The expansion module 21 that display screen 41 controls electronic box 2 with PLC is connected.
Man machine interface 4 is additionally provided with alarm 42, and alarm 42 is connected with display screen 41.Operation display alarm is in one, cold
Matchmaker's tank real-time monitoring device is more intelligent.
Sensor 3 is pressure measurement sensor 3, and pressure measurement sensor 3 is provided with display table 31.Not only from man-machine boundary
Data can be seen on face 4, display table 31 also shows that more importantly facilitating coolant to install additional is readily apparent that parameter.
This utility model overcomes of the prior art dangerous and there is big error, and check weighing method wastes time and energy
Shortcoming.Sensor 3 is arranged on the tank mouth of liquid nitrogen container 1, and PLC control electronic boxs 2 and its expansion module 21 are connected by electrical wiring to biography
On sensor 3, then man machine interface 4 is connected to PLC by RS232 data wires and controls on electronic box 2.As long as by design sensor 3
Pressure is arranged on the air inlet of liquid nitrogen container 1, connects 24V power-supply systems and can just detect coolant in the tank of refrigerant tank 1 (liquid nitrogen container)
(liquid nitrogen) surpluses, then sensor 3 is connected to into the expansion module 21 that PLC controls electronic box 2, PLC controls the expansion module of electronic box 2
21 just can carry out the display screen that data acquisition is displayed in man machine interface 4 to refrigerant tank 1 (liquid nitrogen container) residue coolant (liquid nitrogen) amount
On 41.
The following is and further illustrate this utility model principle：
Sensor 3 on refrigerant tank 1 is provided with sample point 33 and lower sample point in sensor 3 using the principle of pressure differential
32, upper sample point 33 and lower sample point 32 top and bottom respectively inside refrigerant tank 1, after switching on power, sensor 3
By sampling two at pressure draw whole refrigerant tank 1 pressure and sensor 3 itself display table 31 in digital form
Show the pressure in refrigerant tank 1；And the data transfer for collecting to PLC is controlled by electronic box 2 and its extension by electric wiring
Module 21, is transferred data in man machine interface 4 by RS232 communication lines after A/D conversions are converted into digital quantity
Shown, and one value of setting, the coolant quantity in refrigerant tank 1 in the program that PLC controls electronic box 2 and its expansion module 21
Less than program behavior when this value, the alarm 42 of co-design man machine interface 4 responds, and reminds operator to change cold
Matchmaker, to realize management and manipulation to coolant.
Preferred embodiment of the present utility model is the foregoing is only, it is not to limit this utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in this utility model
Protection domain within.
Claims (6)
1. a kind of refrigerant tank real-time monitoring device, including refrigerant tank, sensor, PLC control electronic box and man machine interface, its feature exist
In：The sensor is located on refrigerant tank；The sensor is connected with PLC control electronic boxs；The PLC control electronic boxs and man-machine boundary
Face connects.
2. refrigerant tank real-time monitoring device as claimed in claim 1, it is characterised in that：The sensor be provided with sample point and
Lower sample point, the upper sample point and lower sample point are located at the top and bottom inside refrigerant tank respectively.
3. refrigerant tank real-time monitoring device as claimed in claim 2, it is characterised in that：The PLC controls electronic box is provided with extension
Module, the expansion module carry out data acquisition and data processing to data such as the pressure measxurements of sensor.
4. refrigerant tank real-time monitoring device as claimed in claim 3, it is characterised in that：The man machine interface is provided with display screen；
The display screen is connected with the expansion module of PLC.
5. refrigerant tank real-time monitoring device as claimed in claim 4, it is characterised in that：The man machine interface is additionally provided with warning
Device, the alarm are connected with display screen.
6. refrigerant tank real-time monitoring device as claimed in claim 1, it is characterised in that：The sensor is sensed for pressure measxurement
Device, the pressure measurement sensor are provided with display table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620910843.XU CN206074077U (en) | 2016-08-19 | 2016-08-19 | A kind of refrigerant tank real-time monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620910843.XU CN206074077U (en) | 2016-08-19 | 2016-08-19 | A kind of refrigerant tank real-time monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206074077U true CN206074077U (en) | 2017-04-05 |
Family
ID=58430714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620910843.XU Active CN206074077U (en) | 2016-08-19 | 2016-08-19 | A kind of refrigerant tank real-time monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206074077U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107806727A (en) * | 2017-10-24 | 2018-03-16 | 广东美的暖通设备有限公司 | Determination methods, device during to air conditioner heat pump system progress coolant injection |
-
2016
- 2016-08-19 CN CN201620910843.XU patent/CN206074077U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107806727A (en) * | 2017-10-24 | 2018-03-16 | 广东美的暖通设备有限公司 | Determination methods, device during to air conditioner heat pump system progress coolant injection |
| CN107806727B (en) * | 2017-10-24 | 2020-04-03 | 广东美的暖通设备有限公司 | Method and device for judging refrigerant filling of air-conditioning heat pump system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171212 Address after: 510000 Guangdong Guangzhou City, Guangzhou City, Panyu District Bridge South Street clam Chung Industrial Area (A type 1 office building) 301 room Patentee after: Guangzhou fresh source ecological Cold Chain Technology Co., Ltd. Address before: 510000 Guangdong city of Guangzhou province Panyu District Bridge Street Xian Yong Cun Industrial Zone (7 E plant) Patentee before: Guangdong Ruijie Safe Technology Co., Ltd. |
|
| TR01 | Transfer of patent right |