CN210980512U

CN210980512U - Temperature monitoring alarm system applied to defrosting of vermicelli cold storage

Info

Publication number: CN210980512U
Application number: CN201921795440.5U
Authority: CN
Inventors: 焦伟涛
Original assignee: Suzhou Newfocus Electric Co ltd
Current assignee: Suzhou Newfocus Electric Co ltd
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-07-10
Anticipated expiration: 2029-10-24

Abstract

Be applied to temperature monitoring alarm system in vermicelli freezer defrosting, including control box, cap, the control box with the cap passes through hinged joint, be equipped with air switch, host computer ac contactor, overload protection device, high-low voltage protection device, phase sequence open-phase protection device, terminal row in the control box, air switch passes through the wire and connects host computer ac contactor high-low voltage protection device phase sequence open-phase protection device with the terminal row, host computer ac contactor and compressor connection, its characterized in that is equipped with P L C controller in the cap, P L C controller with the compressor is connected, P L C controller and a plurality of first temperature sensor, second temperature sensor, third temperature sensor and humidity transducer are connected, the utility model discloses can provide accurate ground temperature humidity monitoring for the vermicelli is cold-stored to can also play the temperature monitoring function in the defrosting process, in order to avoid equipment impaired, have the practicality.

Description

Temperature monitoring alarm system applied to defrosting of vermicelli cold storage

Technical Field

The utility model relates to a refrigeration plant technical field, in particular to be applied to temperature monitoring alarm system in the defrosting of bean noodles freezer.

Background

The cold storage is a building which adopts an artificial refrigeration method to ensure that a fixed space reaches a specified environment and can prolong the shelf life of stored objects. In the application of food fresh-keeping storage, a refrigeration house plays an extremely important role, for example, vermicelli storage, the requirements on the temperature and the humidity of the refrigeration house environment are extremely high, the temperature is too high and easy to mildew, the temperature is too low and easy to freeze, the humidity is too high and easy to rot, and the humidity is too low and easy to crack. This places new demands on the freezer environment.

In the prior art, an evaporator and an air cooler in a refrigeration house refrigeration system need to be subjected to defrosting treatment regularly, a frequently-adopted defrosting method is an electric heating mode, and the mode is adopted in an automatic defrosting process, so that the temperature is easily overhigh, and equipment faults are caused.

Therefore, there is a need for a temperature monitoring alarm system applied to defrosting a refrigerator, which can remind a customer of a possible defrosting fault during a defrosting process so as to protect equipment.

SUMMERY OF THE UTILITY MODEL

For overcoming the deficiencies in the prior art, the utility model aims to provide a temperature monitoring alarm system applied to the defrosting of vermicelli freezer.

In order to achieve the purpose and other related purposes, the utility model provides a temperature monitoring alarm system applied to vermicelli freezer defrosting, including control box, cap, the control box with the cap passes through hinged joint, be equipped with air switch, host computer ac contactor, overload protection device, high-low voltage protection device, phase sequence phase failure protection device, terminal row in the control box, air switch passes through the wire and connects host computer ac contactor, high-low voltage protection device phase sequence phase failure protection device with the terminal row, host computer ac contactor and compressor connection, its characterized in that be equipped with P L C controller in the cap, P L C controller with the compressor is connected, P L C controller and a plurality of first temperature sensor, second temperature sensor, third temperature sensor and humidity transducer connect, a plurality of first temperature sensor are located and are used for monitoring the storehouse body temperature in the storehouse body, the second temperature sensor is located and are used for monitoring the aluminium calandria temperature on the evaporimeter aluminium calandria, the third temperature sensor is located and is used for monitoring the cold air temperature on the machine, the humidity transducer is used for monitoring the cold air humidity in the storehouse body.

The preferable technical scheme is as follows: and sensing signal simulation interfaces are arranged on the first temperature sensor, the second temperature sensor, the third temperature sensor and the humidity sensor.

The P L C controller is provided with an analog input module, and sensing signal analog interfaces of the first temperature sensor, the second temperature sensor, the third temperature sensor and the humidity sensor are connected with the analog input module on the P L C controller through electric wiring.

The preferable technical scheme is that the P L C controller comprises an RS485 communication port.

The preferable technical scheme is that the P L C controller is connected with a buzzer, and the buzzer is arranged on the shell cover.

The P L C controller comprises a touch display screen and a power supply display lamp, and the touch display screen and the power supply display lamp are arranged on the shell cover.

The preferred technical scheme is that the P L C controller is connected with an emergency stop button, and the emergency stop button is arranged on the shell cover.

Because of the application of the technical scheme, compared with the prior art, the utility model the advantage that has is:

the utility model discloses a temperature and humidity of the refrigeration house storehouse body are monitored to P L C controller, through locating on the evaporimeter aluminium calandria and the temperature sensor on the air-cooler, can monitor the temperature at these two equipment of defrosting in-process to prevent that the defrosting temperature is too high and cause equipment trouble, produce the loss.

Drawings

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

In the attached drawings, the device comprises a control box 1, a shell cover 2, a hinge 3, an air switch 4, a host machine alternating current contactor 5, an overload protection device 6, a high-low voltage protection device 7, a phase sequence phase loss protection device 8, a terminal row 9, a compressor 10, a P L C controller 12, a first temperature sensor 13, a second temperature sensor 14, a third temperature sensor 15, an emergency stop button 16, a humidity sensor 17, an analog quantity input module 18, an RS485 communication port 19, a buzzer 20, a touch display screen 21 and a power supply display lamp.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Please refer to fig. 1. It should be understood that in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the product of the present invention is usually placed when in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in figure 1, the technical scheme adopted by the embodiment is that the temperature monitoring and alarming system applied to the defrosting of the vermicelli cold storage comprises a control box 1, a cover 2, a hinge 3, an air switch 4, a main machine alternating current contactor 5, an overload protection device 6, a high-low voltage protection device 7, a phase sequence open-phase protection device 8, a terminal bank 9, a P L C controller 11, a first temperature sensor 12, a second temperature sensor 13, a third temperature sensor 14, a fourth temperature sensor 15 and a humidity sensor 16, wherein the cover 2 is connected with the control box 1 through the hinge 3 and covers the upper surface of the control box.

An air switch 4, a main machine alternating current contactor 5, an overload protection device 6, a high-low voltage protection device 7, a phase sequence open-phase protection device 8 and a terminal block 9 are arranged in the control box 1. The air switch 4 is connected with the main machine alternating current contactor 5 through a lead, the main machine alternating current contactor 5 is connected with the overload protection device 6 (overload protection), the high-low voltage protection device 7 (high-low voltage protection) and the phase sequence open-phase protection device 8 (phase sequence open-phase protection) through a lead, the main machine alternating current contactor 5 is connected with the compressor 10, the air switch 4 is connected with an external power supply, and the main machine alternating current contactor 5 is closed and can drive the compressor 10 to work.

The shell cover 2 is internally provided with a P L C controller 11, a buzzer 19, a touch display screen 20, a power display lamp 21 and an emergency stop button 22, the buzzer 19, the touch display screen 20, the power display lamp 21 and the emergency stop button 15 are all connected with the P L C controller 11, and the P L C controller 11 is also connected with the compressor 10.

The P L C controller 11 is provided with an analog input module 17 and an RS485 communication port 18 (connected with an upper computer).

The P L C controller 11 is connected with a plurality of first temperature sensors 12, second temperature sensors 13, third temperature sensors 14 and humidity sensors 16, and sensing signal simulation interfaces are arranged on the first temperature sensors 12, the second temperature sensors 13, the third temperature sensors 14 and the humidity sensors 16.

The first temperature sensor 12, the second temperature sensor 13, the third temperature sensor 14 and the humidity sensor 16 are connected with the analog input module 17 through the sensing signal analog interface thereon.

The plurality of first temperature sensors 12 and the humidity sensor 16 are arranged in the cold storage body and used for monitoring the temperature and the humidity in the cold storage, wherein the average value of the readings of the plurality of first temperature sensors 12 is taken for the temperature of the cold storage, so that the accurate temperature of the cold storage is obtained.

The second temperature sensor 13 is arranged on the aluminum calandria of the evaporator, and can be used for defrosting overtemperature alarm in the defrosting process to remind a client of possible defrosting faults and facilitate timely troubleshooting.

The third temperature sensor 14 is arranged on the air cooler and can be used as the defrosting ending temperature in the defrosting process, so that the defrosting fault is prevented, and the temperature is too high.

The humidity sensor 16 can monitor the humidity of the refrigerator, and can set the upper and lower humidity limits through the P L C controller 11, and the buzzer 19 can give an alarm when the humidity exceeds the set range.

The utility model discloses the principle:

the utility model discloses a temperature of P L C controller monitoring evaporimeter aluminium calandria and air-cooler in defrosting process to send out the police dispatch newspaper when the temperature overtemperature, in order to prevent equipment at the defrosting in-process, because the high temperature breaks down.

Therefore, the utility model has the advantages of it is following:

the utility model discloses a temperature and humidity of the P L C controller monitoring control freezer storehouse body to also be equipped with the temperature sensor of monitoring temperature on evaporimeter aluminium calandria and air-cooler, just so can the supervisory equipment temperature at the defrosting in-process that melts, lead to equipment trouble because the high temperature in order to prevent equipment in the defrosting process, produce the unnecessary loss, consequently, the utility model discloses have the practicality.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. Be applied to temperature monitoring alarm system in vermicelli freezer defrosting, including control box, cap, the control box with the cap passes through hinged joint, be equipped with air switch, host computer ac contactor, overload protection device, high-low voltage protection device, phase sequence open-phase protection device, terminal row in the control box, air switch passes through the wire and connects host computer ac contactor high-low voltage protection device phase sequence open-phase protection device with the terminal row, host computer ac contactor and compressor connection, its characterized in that, be equipped with P L C controller in the cap, P L C controller with the compressor is connected, P L C controller and a plurality of first temperature sensor, second temperature sensor, third temperature sensor and humidity transducer connect, first temperature sensor is arranged in the storehouse body and is used for monitoring storehouse body temperature, second temperature sensor is arranged in the evaporimeter aluminium calandria and is used for monitoring aluminium temperature, be used for monitoring air cooler temperature on the third temperature sensor locates the air cooler, the humidity transducer is arranged in the storehouse body and is used for monitoring storehouse body humidity.

2. The temperature monitoring and alarming system applied to the defrosting of the vermicelli cold storage according to claim 1, is characterized in that: and sensing signal simulation interfaces are arranged on the first temperature sensor, the second temperature sensor, the third temperature sensor and the humidity sensor.

3. The temperature monitoring and alarming system applied to the vermicelli cold storage defrosting is characterized in that an analog input module is arranged on the P L C controller, and sensing signal simulation interfaces on the first temperature sensor, the second temperature sensor, the third temperature sensor and the humidity sensor are connected with the analog input module on the P L C controller through electric wiring.

4. The temperature monitoring and alarming system applied to the defrosting of the vermicelli cold storage as claimed in claim 1, wherein the P L C controller comprises an RS485 communication port.

5. The temperature monitoring and alarming system applied to the defrosting of the vermicelli refrigerator according to claim 1, wherein the P L C controller is connected with a buzzer, and the buzzer is arranged on the shell cover.

6. The temperature monitoring and alarming system applied to the defrosting of the vermicelli refrigerator according to claim 1, wherein the P L C controller comprises a touch display screen and a power supply display lamp, and the touch display screen and the power supply display lamp are arranged on the shell cover.

7. The temperature monitoring and alarming system applied to the defrosting of the vermicelli cold storage as claimed in claim 1, wherein the P L C controller is connected with an emergency stop button, and the emergency stop button is arranged on the shell cover.