CN217876578U

CN217876578U - Automatic control system for starting and stopping of number of refrigerators

Info

Publication number: CN217876578U
Application number: CN202221188336.1U
Authority: CN
Inventors: 杨卫超; 谭宗坤; 陈剑龙; 熊健
Original assignee: Guangzhou Naqi Technology Co ltd
Current assignee: Guangzhou Naqi Technology Co ltd
Priority date: 2022-05-18
Filing date: 2022-05-18
Publication date: 2022-11-22
Anticipated expiration: 2032-05-18

Abstract

The utility model discloses a number of refrigerators opens and stops automatic control system, including the switch board, the upper left side of switch board is fixed with the display screen, and the front side below the display screen is equipped with button A, is equipped with button B behind the button A, and the right side of switch board is fixed with four evenly arranged refrigerators, and the right side of refrigerator is equipped with cooling water pump crowd A, and the right side of cooling water pump crowd A is equipped with cooling water pump crowd B; the automatic control system for starting and stopping the number of the refrigerators has the advantages of automation, simplicity, easy operation and resource saving.

Description

Automatic control system for starting and stopping of number of refrigerators

Technical Field

The utility model relates to a refrigerator board intelligent control technical field specifically is refrigerator number opens and stops automatic control system.

Background

The automobile assembly plant uses more industry refrigerated water units, and the current start-stop control mode is basically in the form of a team, and is opened and closed by the operation of an operator on duty, and the following problems exist:

1. the opening and closing time of the refrigerator is manually controlled, is basically fixed, is not matched with the heat load caused by production, and cannot be controlled in real time.

2. When the number of refrigerators is large, the refrigerating capacity is excessive, and the energy consumption is serious.

3. When the number of the refrigerators is insufficient, the refrigerating capacity is insufficient, and the production is influenced.

Based on the above problems, a new control system is needed to improve the production efficiency and reduce the waste of resources, and the existing problems can be solved by the automatic control system for starting and stopping the number of refrigerators.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a refrigerator number opens stops automatic control system, has the advantage of automatic, simple easy operation, resources are saved, has solved the problem among the prior art.

In order to achieve the above purpose, the utility model provides a following technical scheme: refrigerator platform number opens and stops automatic control system, including the switch board, the switch board upper left side is fixed with the display screen, display screen below front side is equipped with button A, button A rear is equipped with button B, the right-hand refrigerator that is fixed with four align to grid of switch board, the right-hand cold water pump crowd A that is equipped with of refrigerator, the right-hand cold water pump crowd B that is equipped with of cold water pump crowd A.

Preferably, the display screen is a touch screen display screen, a server fixed by screws is arranged in the control cabinet, control system configuration software is arranged in the server and used for calculating real-time heat load, and an electrical control system is further integrated in the server and used for automatically controlling the number of the refrigerating machines in starting and stopping.

Preferably, the button A is a starting button when being clicked once, the button A is a closing button when being pressed for five seconds, the button B is an emergency stop button, and a transparent protective cover is arranged on the outer side of the button B to prevent a user from mistakenly pressing the button.

Preferably, the refrigerator is a refrigerator, no. two refrigerators, no. three refrigerators, no. four refrigerators from the front to the back in proper order, inside condenser, evaporimeter, the compressor of being equipped with of refrigerator, and still be equipped with on the pipeline through fixed flow sensor of cassette, temperature sensor for acquire the basic data of refrigerator real-time temperature, flow.

Preferably, the cold water pump group A is a primary secondary cold water pump group, the cold water pump group B is a secondary cold water pump group, the cold water pump group A and the cold water pump group B are composed of a pump body and a pipeline, and the cold water pump group A, the cold water pump group B and the refrigerator are connected in a pipeline mode.

Preferably, the interface displayed by the display screen is divided into two levels, one level of interface: the first refrigerator, the second refrigerator, the third refrigerator, the fourth refrigerator and the running/stopping state of the cooling tower, the abnormal display, the temperature value of the cold water tank, and the secondary interface: the refrigerator numbers are selected respectively, and the detailed monitoring screen of each refrigerator is entered.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. this refrigerator platform number opens and stops automatic control system through increasing temperature and flow sensor on the refrigerator pipeline, is favorable to acquireing real-time accurate cold volume data, calculates through using the configuration system to through electrical control system's integration, guaranteed to the refrigerator open and stop the automatic control of platform number, simultaneously according to the production situation, dynamic adjustment refrigeration volume reduces energy resource consumption, brings economic benefits.

Drawings

Fig. 1 is a schematic view of the overall structure of the automatic control system for starting and stopping the number of refrigerators according to the present invention;

FIG. 2 is a schematic top view of the automatic start/stop control system for the number of refrigerators according to the present invention;

FIG. 3 is a schematic side view of the automatic start/stop control system for the number of refrigerators according to the present invention;

fig. 4 is a schematic view of the control system of the automatic control system for starting and stopping the number of refrigerators according to the present invention.

Fig. 5 is a schematic view of the control conditions of the automatic control system for starting and stopping the number of refrigerators according to the present invention.

The figures are labeled as follows: 1. a control cabinet; 2. a display screen; 3. a button A; 4. a button B; 5. a freezer; 6. a cold water pump group A; 7. and a cold water pump group B.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1:

referring to fig. 1, 2, 3 and 4, the automatic control system for starting and stopping the number of refrigerators comprises a control cabinet 1, a display screen 2 is fixed on the upper left of the control cabinet 1, a button A3 is arranged on the front side below the display screen 2, a button B4 is arranged behind the button A3, four refrigerators 5 which are uniformly arranged are fixed on the right of the control cabinet 1, a cold water pump group A6 is arranged on the right of the refrigerators 5, a cold water pump group B7 is arranged on the right of the cold water pump group A6, the display screen 2 is a touch screen display screen, a server which is fixed by screws is arranged in the control cabinet 1, control system configuration software is arranged in the server for calculating the real-time heat load, the server is further integrated with an electrical control system for realizing the automatic control of the number of starting and stopping the refrigerators, the button a start button is arranged when the button A3 is clicked once, and the close button is arranged when the button is pressed for five seconds, button B4 is the scram button, and the outside is equipped with transparent guard shield, prevent that the user from pressing this button by mistake, refrigerator 5 is a refrigerator from the front to the back in proper order, no. two refrigerators, no. three refrigerators, no. four refrigerators, refrigerator 5 is inside to be equipped with the condenser, the evaporimeter, the compressor, and still be equipped with the flow sensor who fixes through the cassette tape on the pipeline, a weighing sensor, for obtain refrigerator 5 real-time temperature, the basic data of flow, cold water pump crowd A6 is one-level secondary cold water pump crowd, cold water pump crowd B7 is second grade secondary cold water pump crowd, cold water pump crowd A6, cold water pump crowd B7 comprises the pump body and pipeline, and cold water pump crowd A6, cold water pump crowd B7, connect with the mode of pipeline between the refrigerator 5 three, the interface that display screen 2 shows divide into the two-stage, the one-level interface: the first refrigerator, the second refrigerator, the third refrigerator, the fourth refrigerator and the running/stopping state of the cooling tower, the abnormal display, the temperature value of the cold water tank, and the secondary interface: the refrigerator numbers are selected respectively, and the detailed monitoring screen of each refrigerator is entered.

Specifically, this refrigerator platform number opens stops automatic control system through increasing temperature and flow sensor on 5 pipelines of refrigerator, is favorable to acquireing real-time accurate cold volume data, calculates through using the configuration system to through electrical control system's integration, guaranteed to open the automatic control that stops the platform number to the refrigerator, simultaneously according to the production situation, the dynamic adjustment refrigerating output reduces energy consumption, brings economic benefits.

Example 2:

referring to fig. 1, 2, 3 and 5, the automatic control system for starting and stopping the number of refrigerators comprises a control cabinet 1, a display screen 2 is fixed on the upper left of the control cabinet 1, a button A3 is arranged on the front side below the display screen 2, a button B4 is arranged behind the button A3, four refrigerators 5 which are uniformly arranged are fixed on the right of the control cabinet 1, a cold water pump group A6 is arranged on the right of the refrigerator 5, a cold water pump group B7 is arranged on the right of the cold water pump group A6, the display screen 2 is a touch screen display screen, a server which is fixed by screws is arranged in the control cabinet 1, control system configuration software is arranged in the server for calculating the heat load in real time, the server is further integrated with an electrical control system for automatically controlling the number of starting and stopping the refrigerators, the button A3 is a start button when being clicked once, and the button is a close button when being pressed for five seconds, button B4 is the scram button, and the outside is equipped with transparent guard shield, prevent that the user from pressing this button by mistake, refrigerator 5 is a refrigerator from the front to the back in proper order, no. two refrigerators, no. three refrigerators, no. four refrigerators, refrigerator 5 is inside to be equipped with the condenser, the evaporimeter, the compressor, and still be equipped with the flow sensor who fixes through the cassette tape on the pipeline, a weighing sensor, for obtain refrigerator 5 real-time temperature, the basic data of flow, cold water pump crowd A6 is one-level secondary cold water pump crowd, cold water pump crowd B7 is second grade secondary cold water pump crowd, cold water pump crowd A6, cold water pump crowd B7 comprises the pump body and pipeline, and cold water pump crowd A6, cold water pump crowd B7, connect with the mode of pipeline between the refrigerator 5 three, the interface that display screen 2 shows divide into the two-stage, the one-level interface: the first refrigerator, the second refrigerator, the third refrigerator, the fourth refrigerator and the running/stopping state of the cooling tower, the abnormal display, the temperature value of the cold water tank, and the secondary interface: the refrigerator numbers are selected respectively, and the detailed monitoring screen of each refrigerator is entered.

Specifically, in the automatic control mode of the refrigerators, the system automatically monitors the inlet/return water temperature and the return water flow of the cold water secondary pump, calculates the number of the refrigerators automatically selected by the current equipment side heat load and starts the operation.

(1) When the equipment side load is less than 350 USRT, the system automatically starts a first refrigerator;

(2) When the equipment side load is more than 350 and less than 1300 USRT, the system automatically starts a second refrigerating machine;

(3) When the equipment side load is more than 1300 and less than 1650 USRT, the system automatically starts the first refrigerator and the second refrigerator;

(4) When the equipment side load is 1650 and 2600 USRT, the system automatically starts the second and third refrigerators;

(5) When the equipment side load is more than 2600 and less than 2950 USRT, the system automatically starts a first refrigerator, a second refrigerator and a third refrigerator;

(6) When the equipment side load is more than 2950 and less than 3900 USRT, the system automatically starts the second, third and fourth refrigerators;

(7) When the equipment side load is larger than 3900 USRT, the system automatically starts a first refrigerator, a second refrigerator, a third refrigerator and a fourth refrigerator;

the cold quantity can be set according to the field use condition according to the data, and when the cold quantity data is set, the cold quantity data can be carried out in a centralized cabinet of a refrigerating machine room or can be set remotely through CCR.

The working principle is as follows: the utility model discloses refrigerator number opens stops automatic control system, earlier with 1 circular telegram of switch board, later click button A, start display screen 2, display screen 2 has two-stage interface, one-level interface: the first refrigerator, the second refrigerator, the third refrigerator, the fourth refrigerator and the running/stopping state of the cooling tower, the abnormal display, the temperature value of the cold water tank, and the secondary interface: select the refrigerator serial number respectively, get into the detailed control picture of each refrigerator, on the second grade interface, can select refrigerator number of stations control mode (automatic/manual), the switching on and shutting down that can remote operation refrigerator, the switching on and shutting down of cold water secondary pump can set up automatic control parameter, the running information of the No. one, no. two, no. three, no. four refrigerators that acquire includes:

(1) Refrigerator basic information: the unit number, the current mode (manual/automatic).

(2) The state of the condenser: the water inlet temperature of the cooling water, the water outlet temperature of the cooling water, the refrigerant saturation temperature of the condenser and the water flow shape of the cooling water.

(3) The state of the evaporator is as follows: the cooling water inlet temperature, the cooling water outlet temperature, the evaporator refrigerant saturation temperature and the cooling water flow state.

(4) Setting a state: chilled feed water temperature set point, current set point, compressor current percentage (average).

The number of the required refrigerators to be started is determined and automatically controlled by adding the sensors, acquiring data in real time and calculating the data through the configuration system, so that the consumption of electric power energy is reduced.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, it will be obvious to those skilled in the art that the present invention is not limited to the details of the foregoing exemplary embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. Automatic control system is stopped to refrigerator platform number, including switch board (1), its characterized in that: the utility model discloses a refrigerator, including switch board (1), display screen (2) below front side is equipped with button A (3), button A (3) rear is equipped with button B (4), the right-hand refrigerator (5) that are fixed with four align to grid of switch board (1), refrigerator (5) right-hand cold water pump crowd A (6) that are equipped with, the right-hand cold water pump crowd B (7) that are equipped with of cold water pump crowd A (6).

2. The automatic freezer number start-stop control system of claim 1, wherein: the refrigerator is characterized in that the display screen (2) is a touch screen display screen, a server fixed through screws is arranged inside the control cabinet (1), control system configuration software is installed inside the server and used for calculating real-time heat load, and an electrical control system is further integrated with the server and used for automatically controlling the number of the refrigerating machines.

3. The automatic freezer number start-stop control system of claim 1, wherein: button A (3) are the start button when clicking once, press for a long time and close the button when five seconds, button B (4) are the scram button, and the outside is equipped with transparent guard shield, prevent that the user from pressing this button by mistake.

4. The automatic freezer number start-stop control system of claim 1, wherein: refrigerator (5) are a refrigerator, no. two refrigerators, no. three refrigerators, no. four refrigerators from the front to the back in proper order, inside condenser, evaporimeter, the compressor of being equipped with of refrigerator (5), and still be equipped with on the pipeline through fixed flow sensor of cassette, temperature sensor for acquire the basic data of refrigerator (5) real-time temperature, flow.

5. The automatic freezer number start-stop control system of claim 1, wherein: the cold water pump group A (6) is a primary secondary cold water pump group, the cold water pump group B (7) is a secondary cold water pump group, the cold water pump group A (6) and the cold water pump group B (7) are composed of a pump body and a pipeline, and the cold water pump group A (6), the cold water pump group B (7) and the refrigerator (5) are connected in a pipeline mode.

6. The automatic freezer number start-stop control system of claim 1, wherein: the interface displayed by the display screen (2) is divided into two stages, one stage of interface: the first refrigerator, the second refrigerator, the third refrigerator, the fourth refrigerator and the running/stopping state of the cooling tower, the abnormal display, the temperature value of the cold water tank, and the second-level interface: the refrigerator numbers are selected respectively, and the detailed monitoring screen of each refrigerator is entered.