CN209746411U

CN209746411U - Mobile refrigeration equipment control device

Info

Publication number: CN209746411U
Application number: CN201921016595.4U
Authority: CN
Inventors: 王洪涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-02
Filing date: 2019-07-02
Publication date: 2019-12-06
Anticipated expiration: 2029-07-02

Abstract

The utility model relates to the field of refrigeration equipment, in particular to a mobile refrigeration equipment control device, which comprises a PLC controller, a generator, refrigeration equipment, a monitoring panel, a extinguisher, a speed regulator, a storage battery and a refrigeration switch; the output end of the PLC is respectively and electrically connected with the extinguisher, the speed regulator, the storage battery and the refrigeration switch; the extinguisher, the speed regulator and the storage battery are electrically connected with the generator, and the storage battery provides a working power supply for the PLC and the generator; the refrigeration switch is electrically connected with the refrigeration equipment and is used for controlling the refrigeration equipment to work; the monitoring panel is electrically connected with the PLC. The device can realize automatic monitoring of the refrigeration equipment and the generator, realize automatic control and is convenient for operators to use when driving vehicles; the temperature of the cooling water of the generator, the pressure of the engine oil and the temperature in the refrigeration equipment can be automatically monitored and displayed; the idle running time of the generator is set, so that the service life of the generator can be prolonged; and a remote monitoring end is arranged, so that an operator can conveniently perform remote monitoring.

Description

Mobile refrigeration equipment control device

Technical Field

The utility model relates to a refrigeration plant field, concretely relates to portable refrigeration plant controlling means.

Background

Most of the existing mobile refrigeration equipment are container type refrigeration equipment, and are mainly used for low-temperature refrigeration or fresh-keeping of goods in the long-distance transportation process.

In the using process, after the refrigeration equipment is started, a driver transports the goods to a destination in a long-distance transportation mode, and the driver is located in a cab and cannot know the running state and the goods storage state of the carried refrigeration equipment in real time, so that the driver needs to stop at regular time and then get off to observe; on a highway or a road condition that the vehicle is inconvenient to park at any time, the situation cannot be known in time, and great inconvenience is brought to goods transportation. Therefore, in order to solve the above problems, a matched monitoring system needs to be designed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable refrigeration plant controlling means sets up in the driver's cabin, and the driver personnel of being convenient for pass through the operation conditions of the equipment that monitored control system real time monitoring carried at the driving process.

In order to solve the technical problem, the utility model adopts the following technical scheme:

The mobile refrigeration equipment control device comprises a PLC (programmable logic controller), a generator, refrigeration equipment, a monitoring panel, a extinguisher, a speed regulator, a storage battery and a refrigeration switch; the output end of the PLC is respectively and electrically connected with the extinguisher, the speed regulator, the storage battery and the refrigeration switch; the extinguisher, the speed regulator and the storage battery are electrically connected with the generator, and the storage battery provides a working power supply for the PLC and the generator; the refrigeration switch is electrically connected with the refrigeration equipment and is used for controlling the refrigeration equipment to work; the monitoring panel is electrically connected with the PLC.

Further, the mobile refrigeration equipment control device comprises a first temperature sensor electrically connected with the input end of the PLC controller; the first temperature sensor is arranged at a cooling water tank of the generator and used for detecting the temperature of cooling water of the generator.

Further, this portable refrigeration plant controlling means include with the second temperature-sensing ware of PLC controller's input electrical connection, the second temperature-sensing ware sets up in refrigeration plant for detect the ambient temperature in the refrigeration plant.

Further, this portable refrigeration plant controlling means include with the input electrical connection's of PLC controller machine oil pressure sensor, machine oil pressure sensor is used for detecting the machine oil pressure of generator.

Furthermore, the monitoring panel comprises a power switch, an automatic switch, a parameter setting module and a second display panel; the power switch, the automatic switch and the parameter setting module are respectively electrically connected with the input end of the PLC, and the second display panel is electrically connected with the output end of the PLC.

Furthermore, a generator manual switch and a refrigeration equipment manual switch are arranged on the monitoring panel and are respectively and electrically connected with the input end of the PLC.

Further, a first display panel is arranged on the monitoring panel and electrically connected with the output end of the PLC.

furthermore, a plurality of indicator lights are arranged on the monitoring panel and are respectively electrically connected with the output end of the PLC.

Further, the mobile refrigeration equipment control device comprises a switch and a remote monitoring end, wherein the remote monitoring end comprises a server and a mobile phone end; the PLC is connected with the server through the switch for communication, and the mobile phone end is connected with the server for communication.

furthermore, the remote monitoring end comprises a computer end, and the computer end is connected with the server for communication.

Compared with the prior art, the utility model discloses can reach one of following beneficial effect at least:

1. Through this device can realize automatic monitoring refrigeration plant and generator, realize automatic controlling, the operating personnel of being convenient for uses when driving the vehicle.

2. the temperature of the cooling water of the generator, the pressure of the engine oil and the temperature in the refrigeration equipment can be automatically monitored and displayed.

3. The idle running time of the generator is set, so that the service life of the generator can be prolonged.

4. And a remote monitoring end is arranged, so that an operator can conveniently perform remote monitoring.

Drawings

fig. 1 is a schematic structural diagram of the present invention.

1-a PLC controller; 2-a generator; 21-extinguisher; 22-a speed governor; 23-a battery jar; 24-an oil pressure sensor; 25-a first temperature sensor; 3-a refrigeration device; 31-a refrigeration switch; 32-a second temperature sensor; 4-a monitoring panel; 41-power switch; 42-automatic switch; 43-manual generator switch; 44-manual switch of refrigeration equipment; 45-parameter setting module; 46-a first display panel; 47-a second display panel; 48-indicator light; 5-a switch; 6-remote monitoring terminal; 61-a server; 62-a mobile phone end; 63-computer end.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1:

As shown in fig. 1, the mobile refrigeration equipment control device comprises a PLC controller 1, a generator 2, a refrigeration equipment 3, a monitoring panel 4, a extinguisher 21, a speed regulator 22, a battery 23 and a refrigeration switch 31; the output end of the PLC 1 is respectively and electrically connected with the extinguisher 21, the speed regulator 22, the storage battery 23 and the refrigeration switch 31; the extinguisher 21, the speed regulator 22 and the storage battery 23 are electrically connected with the generator 2, and the storage battery 23 provides a working power supply for the PLC controller 1 and the generator 2; the refrigeration switch 31 is electrically connected with the refrigeration equipment 3 and is used for controlling the operation of the refrigeration equipment; the monitoring panel 4 is electrically connected with the PLC controller 1; when the generator 2 is started: firstly, after the generator 2 runs for 50-90 seconds at an idle speed, the PLC 1 controls the speed governor 22 to accelerate the generator 2 to run at a high speed; when the generator 2 is flamed out: the PLC controller 1 firstly controls the speed regulator 22 to enable the generator 2 to run at an idle speed for 50-90 seconds, and then the PLC controller 1 controls the extinguisher 21 to enable the generator 2 to be extinguished.

The PLC controller 1 is the prior art, and the applicant does not give details; the storage battery 23 can be a storage battery, stores certain electric quantity, provides a starting power supply for the generator 2 when working, and provides a working power supply for the PLC controller 1; the generator 2 may be a diesel generator; the refrigerating equipment 3 can be a refrigerated container or a van container with a refrigerating function, and the generator 2 provides working power supply for the refrigerating equipment 3 when working; the refrigeration switch 31 may be a relay for controlling the operation of the refrigeration apparatus 3; the extinguisher 21 may be a shutdown solenoid valve for extinguishing the generator 2 to stop operation; the speed governor 22 is used for adjusting and controlling the running speed of the generator 2; the monitoring panel 4 is electrically connected with the PLC controller 1 and is used for monitoring and controlling the running state of the device.

When the refrigeration device works, goods needing to be refrigerated are placed in the refrigeration device 3, the PLC 1 controls the storage battery 23 to provide a starting power supply for the generator 2, the generator 2 is started, and after the generator 2 runs for 50 seconds at an idle speed by controlling the speed regulator 22, the PLC 1 controls the speed regulator 22 again to accelerate the generator 2 to run at a high speed so as to provide a working power supply for the refrigeration device 3; when the output voltage of the generator 2 reaches the working voltage of the refrigeration equipment, the PLC controller 1 controls the refrigeration switch 31 to enable the refrigeration equipment 3 to operate; when the refrigeration equipment 3 does not need to refrigerate, the PLC controller 1 controls the refrigeration switch 31 to stop the refrigeration equipment 3, controls the speed regulator 22 to enable the generator 2 to enter the idling operation for 50 seconds, and then the PLC controller 1 controls the extinguisher 21 to work again to enable the generator 2 to stop working and stop operating. By setting the idling time of the generator 2, the service life of the generator 2 is prolonged.

Preferably, when the generator 2 is started, the idle running time of the generator 2 is 60 seconds, 68 seconds, 70 seconds, 73 seconds, 80 seconds or 90 seconds; when the generator 2 is turned off, the idle running time of the generator 2 is 60 seconds, 68 seconds, 70 seconds, 73 seconds, 80 seconds or 90 seconds.

Preferably, when the working voltage of the storage battery 23 is lower than a set value, the PLC 1 controls the generator 2 to charge and store energy for the storage battery 23; when the working voltage of the storage battery 23 is higher than a set value, the PLC controller 1 controls the generator 2 to stop charging the storage battery 23.

Example 2:

As shown in fig. 1, the present embodiment optimizes the generator operation state monitoring function for the above-described embodiment.

The mobile refrigeration equipment control device comprises a first temperature sensor 25 electrically connected with the input end of the PLC controller 1; the first temperature sensor 25 is provided at the cooling water tank of the generator 2 for detecting the temperature of the cooling water of the generator 2. The first temperature sensor 25 may be an electronic temperature sensor, and is disposed in a cooling water tank of the generator 2, for detecting a temperature of cooling water in the cooling water tank, and transmitting a detection signal to the PLC controller 1 for reception, and if the highest set temperature of cooling water is reached, the PLC controller 1 controls the speed regulator 22 to enable the generator 2 to enter an idle operation for 70 seconds, and then controls the extinguisher 21 to enable the generator 2 to stop operating, so that when the temperature of cooling water is too high, the generator 2 is forced to stop operating, thereby preventing the generator 2 from overheating and causing a safety accident.

Example 3:

as shown in fig. 1, with the above embodiment, the present embodiment optimizes the operation state monitoring function of the refrigeration equipment.

this portable refrigeration plant controlling means include with PLC controller 1's input electrical connection's second temperature-sensing ware 32, second temperature-sensing ware 32 sets up in refrigeration plant 3 for detect the ambient temperature in refrigeration plant 3. The second temperature sensor 32 can be an electronic temperature sensor, is arranged in a refrigerating chamber of the refrigeration equipment 3 and is used for detecting the temperature in the refrigerating chamber, and when the temperature in the refrigeration equipment 3 detected by the second temperature sensor 32 reaches a set maximum temperature value, the PLC controller 1 controls the refrigeration equipment 3 to work and refrigerate; when the temperature in the refrigeration equipment 3 detected by the second temperature sensor 32 reaches the set lowest temperature value, the PLC controller 1 controls the refrigeration equipment 3 to stop working, so that the refrigerating chamber in the refrigeration equipment 3 can be in the set temperature range, and the operation of the refrigeration equipment 3 can be automatically controlled, thereby saving energy.

Example 4:

This portable refrigeration plant controlling means include with the engine oil pressure sensor 24 of PLC controller 1's input electrical connection, engine oil pressure sensor 24 is used for detecting the engine oil pressure of generator 2. The oil pressure sensor 24 can be an electronic oil pressure sensor, the oil pressure sensor 24 is installed on a main oil gallery of the generator, when the oil pressure sensor 24 detects that the oil pressure of the generator is lower than a minimum set value, the PLC controller 1 controls the speed regulator 22 to enable the generator 2 to be in idle running for 60 seconds, and then the PLC controller 1 controls the extinguisher 21 to enable the generator 2 to stop running so as to prevent the generator 2 from being continuously running to cause damage when the oil pressure is too low.

Example 5:

As shown in fig. 1, the present embodiment optimizes the monitoring function for the above-described embodiment.

The monitoring panel 4 in the mobile refrigeration equipment control device comprises a power switch 41, an automatic switch 42, a parameter setting module 45 and a second display panel 47; the power switch 41, the automatic switch 42 and the parameter setting module 45 are electrically connected to an input end of the PLC controller 1, and the second display panel 47 is electrically connected to an output end of the PLC controller 1. The power switch 41 is used for connecting the working power supply of the control device to enable the device to be in a working state; the automatic switch 42 is used for adjusting the control mode of the PLC controller 1 of the device, and when the automatic switch 42 is in an on state, the PLC controller 1 automatically controls the operation of the device according to a preset program and parameters; when the automatic switch 42 is in a closed state, the device is in a manual operation mode, so that maintenance on all parts is facilitated; the second display panel 47 may be a liquid crystal display; the parameter setting module 45 is used for the operating personnel to SET up operating parameters for the PLC controller 1, can SET up SET setting instruction and RST reset instruction, SET setting instruction is used for the manual operating parameters that SETs up the PLC controller 1, for example, the highest temperature value of cooling water in the cooling water tank of the generator 2, the highest temperature value and the lowest temperature value in the refrigeration plant 3 and the lowest machine oil pressure value of the generator 2, etc., and show parameter adjustment data through the second display panel 47, the setting of the operating personnel of being convenient for.

Example 6:

As shown in fig. 1, the present embodiment optimizes the manual control function for the above-described embodiment.

In the mobile refrigeration equipment control device, a generator manual switch 43 and a refrigeration equipment manual switch 44 are arranged on a monitoring panel 4, and the generator manual switch 43 and the refrigeration equipment manual switch 44 are respectively electrically connected with the input end of the PLC controller 1. When the manual switch 43 of the generator works, the electric signal generated by the manual switch is transmitted to the PLC controller 1 to be received and processed, and then the PLC controller 1 controls the switch of the generator 2; when the manual switch 44 of the refrigeration equipment works, the generated electric signal is transmitted to the PLC controller 1 to be received and processed, and then the PLC controller 1 controls the on/off of the refrigeration equipment 3. And a manual operation function is set, so that an operator can conveniently deal with emergency and maintain the components.

Example 7:

As shown in fig. 1, the present embodiment optimizes the display function for the above-described embodiment.

In the mobile refrigeration equipment control device, a first display panel 46 is arranged on the monitoring panel 4, and the first display panel 46 is electrically connected with the output end of the PLC controller 1. First display panel 46 can liquid crystal display, and PLC controller 1 passes through the signal of telecommunication transmission with the parameter of this device operation in-process to first display panel 46 on to show, the operating personnel of being convenient for observes the state of each part of this device operation in-process at any time.

preferably, the first display panel 46 is used for displaying the temperature of cooling water in the cooling water tank of the generator 2, the pressure value of engine oil of the generator 2, the voltage value of the battery 23, the temperature of a storage chamber in the refrigeration equipment 3 and the like.

Preferably, the first display panel 46 can also be used for indicating the working abnormal states of various components such as the temperature of cooling water of the generator 2, the pressure of engine oil, the working voltage of the storage battery 23, the temperature of a refrigerating chamber of the refrigerating equipment 3 and the like; for example, when the temperature of the cooling water in the generator 2 reaches 90 degrees, the first temperature sensor 25 transmits the detected signals to the PLC controller 1 to be received and processed, the PLC controller 1 outputs the signals and displays the words of "the temperature of the cooling water in the generator is too high" on the first display panel 46 to prompt the operator, and the operator can manually control the generator 2 to stop for a period of time according to specific conditions and then work again to prevent the abnormal stop caused by the temperature of the cooling water being too high.

Example 8:

As shown in fig. 1, with the above embodiment, the present embodiment optimizes the operation indication function.

This portable refrigeration plant controlling means sets up a plurality of pilot lamps 48 on monitor panel 4, a plurality of pilot lamps 48 respectively with PLC controller 1's output electrical connection. In one embodiment, the indicator lamp 48 is a diode lamp, and is electrically connected with the PLC controller 1 and the battery 23, and when the PLC controller 1 controls the generator 2 to operate, the indicator lamp 48 for indicating the generator 2 to operate is powered on to indicate that the generator 2 is in an operating state; when the generator 2 is stopped, the indicator lamp 48 is turned off to indicate that the generator 2 is in a stopped state. Preferably, corresponding indicator lights 48 are provided for indicating the working states of the battery 23, the refrigeration equipment 3, the mobile refrigeration equipment control device and the like.

example 9:

As shown in fig. 1, the present embodiment optimizes the remote monitoring function for the above-described embodiment.

The mobile refrigeration equipment control device also comprises a switch 5 and a remote monitoring terminal 6, wherein the remote monitoring terminal 6 comprises a server 61 and a mobile phone terminal 62; the PLC controller 1 is connected with the server 61 through the switch 5 for communication, and the mobile phone end 61 is connected with the server 61 for communication.

preferably, the mobile refrigeration equipment control device further comprises an RS485 communication interface electrically connected with the PLC controller 1, and configured to convert the TTL level signal output by the PLC controller 1 into a communication signal of an RS485 standard.

The PLC controller 1 transmits the running state data of the mobile refrigeration equipment control device to the server 61 through the switch 5, and an operator accesses the server 61 through the mobile phone end 62 network to inquire the running data of the device, such as the water temperature of a cooling water tank of the generator 2, the working state of the refrigeration equipment 3 and the like; when this device needs to be controlled, operating personnel passes through cell-phone end 62 network access server 61 to send operating instruction to server 61, server 61 will receive operating instruction, send operating instruction to PLC controller 1 through switch 5, PLC controller 1 receives the back of handling, and the corresponding part of control is worked, realizes that operating personnel passes through the effect of cell-phone end remote monitoring, control.

Can be applicable to the long-distance highway transportation scene, it is separately when operating personnel and freight train, the operating personnel of being convenient for know in real time, look over, control the running condition of generator 2, refrigeration plant 3 through cell-phone end 62.

example 10:

The remote monitoring terminal 6 in the mobile refrigeration equipment control device comprises a computer terminal 63 which is connected with the server 61 for communication.

The PLC controller 1 transmits the operation state data of the mobile refrigeration equipment control device to the server 61 through the exchanger 5, and an operator accesses the server 61 through a computer end 63 network to inquire the operation data of the device, such as the water temperature of a cooling water tank of the generator 2, the working state of the refrigeration equipment 3 and the like; when the device needs to be controlled, an operator accesses the server 61 through the computer end 63 network and sends an operation instruction to the server 61, the server 61 sends the received operation instruction to the PLC controller 1 through the switch 5, and the PLC controller 1 controls corresponding components to operate after receiving and processing, so that the effects of remote monitoring and control of the operator through the computer end are achieved.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims

1. Portable refrigeration plant controlling means, its characterized in that: comprises a PLC (programmable logic controller) controller (1), a generator (2), refrigeration equipment (3), a monitoring panel (4), a extinguisher (21), a speed regulator (22), a storage battery (23) and a refrigeration switch (31); the output end of the PLC (1) is respectively and electrically connected with the extinguisher (21), the speed regulator (22), the battery jar (23) and the refrigeration switch (31); the extinguisher (21), the speed regulator (22) and the battery jar (23) are respectively electrically connected with the generator (2), and the battery jar (23) provides a working power supply for the PLC controller (1) and the generator (2); the refrigeration switch (31) is electrically connected with the refrigeration equipment (3) and is used for controlling the operation of the refrigeration equipment; the monitoring panel (4) is electrically connected with the PLC controller (1).

2. The mobile refrigeration unit control device of claim 1, wherein: the mobile refrigeration equipment control device comprises a first temperature sensor (25) electrically connected with the input end of the PLC (1); the first temperature sensor (25) is arranged at a cooling water tank of the generator (2) and used for detecting the temperature of cooling water of the generator (2).

3. The mobile refrigeration unit control device of claim 1, wherein: this portable refrigeration plant controlling means include with input electric connection's of PLC controller (1) second temperature-sensing ware (32), second temperature-sensing ware (32) set up in refrigeration plant (3) for detect the ambient temperature in refrigeration plant (3).

4. The mobile refrigeration unit control device of claim 1, wherein: this portable refrigeration plant controlling means include with machine oil pressure sensor (24) of the input electrical connection of PLC controller (1), machine oil pressure sensor (24) are used for detecting the machine oil pressure of generator (2).

5. The mobile refrigeration equipment control device of claim 2, 3 or 4, wherein: the monitoring panel (4) comprises a power switch (41), an automatic switch (42), a parameter setting module (45) and a second display panel (47); the power switch (41), the automatic switch (42) and the parameter setting module (45) are respectively electrically connected with the input end of the PLC controller (1), and the second display panel (47) is electrically connected with the output end of the PLC controller (1).

6. The mobile refrigeration unit control device of claim 5, wherein: the monitoring panel (4) is provided with a generator manual switch (43) and a refrigeration equipment manual switch (44), and the generator manual switch (43) and the refrigeration equipment manual switch (44) are respectively and electrically connected with the input end of the PLC (1).

7. The mobile refrigeration unit control device of claim 5, wherein: a first display panel (46) is arranged on the monitoring panel (4), and the first display panel (46) is electrically connected with the output end of the PLC (1).

8. The mobile refrigeration unit control device of claim 5, wherein: a plurality of indicator lamps (48) are arranged on the monitoring panel (4), and the indicator lamps (48) are respectively electrically connected with the output end of the PLC controller (1).

9. The mobile refrigeration equipment control device of claim 2, 3 or 4, wherein: the mobile refrigeration equipment control device comprises a switch (5) and a remote monitoring end (6), wherein the remote monitoring end (6) comprises a server (61) and a mobile phone end (62); the PLC controller (1) is connected with the server (61) through the switch (5) for communication, and the mobile phone end (62) is connected with the server (61) for communication.

10. The mobile refrigeration unit control device of claim 9, wherein: the remote monitoring terminal (6) comprises a computer terminal (63), and the computer terminal is connected with the server (61) for communication.