CN115632317A

CN115632317A - Split arrangement method and system for control electrical box module

Info

Publication number: CN115632317A
Application number: CN202211185110.0A
Authority: CN
Inventors: 姚秀华
Original assignee: Guangzhou Chengke Electronic Technology Co ltd
Current assignee: Guangzhou Chengke Electronic Technology Co ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-01-20
Anticipated expiration: 2042-09-27
Also published as: CN115632317B

Abstract

The application discloses a method and a system for controlling split arrangement of electrical box modules, wherein the method comprises the following steps: installing an electric drive box in a control electric box module at a first installation position of an equipment room, wherein the first installation position is a position with excellent installation conditions, and the installation conditions comprise one or more of installation space, installation convenience, environmental humidity and environmental temperature; the display box in the control electric box module is arranged at a second installation position of the equipment room, the second installation position is a convenient position which is convenient for operation and viewing of equipment operation data, and the position comprises any one of an equipment room inlet and a central control room; and connecting the electric drive box with the display box through a data line. The application also discloses a control electronic box module components of a whole that can function independently arrangement system. The application discloses a method and a system for split arrangement of a control electric box module, which solve the problems of inconvenience in use and unobvious function display of the traditional control electric box module.

Description

Split arrangement method and system for control electrical box module

Technical Field

The application relates to the technical field of equipment room electric control devices, in particular to a method and a system for controlling split arrangement of an electronic box module.

Background

The controller module generally comprises a display part and an electric cabinet part, and is commonly integrally installed at a place convenient for a user to operate. For example, in the temperature control module group of freezer, when the unit is installed outdoors or far away from the operation panel, higher position, the installation need waste a large amount of manual works and wire rod, wire casing, just can connect the many power wires of controller to the unit, simultaneously, the longer power wire's of wire overcurrent capacity is cut down just more greatly, has the risk that the wire generates heat, seriously probably leads to the conflagration to too much, overlength of wire also can lead to higher degree of difficulty to later stage maintenance, troubleshooting. And when control electronic box module was installed in the place nearer apart from the unit, the problem that the user operation of being not convenient for was observed exists, still probably because install when some special positions, for example because the reason of product leads to the mounted position of controller at equipment roof, machine room, comparatively remote position such as outdoor wall built-up, at this moment, when the unit breaks down the back controller response and trigger the warning suggestion, the user also can't obtain this suggestion the very first time and in time make a response, promptly the controller can not remind the user directly perceivedly, lead to the user can't notice the existence of trouble.

Disclosure of Invention

An object of the present application is to provide a method and a system for separately arranging a control electrical box module, so as to solve the problems of inconvenient use and unobvious function display of the conventional control electrical box module proposed in the above background art.

In order to achieve the purpose, the application discloses the following technical scheme: a split arrangement method of control electric box modules comprises the following steps:

installing an electric drive box in a control electric box module at a first installation position of an equipment room, wherein the first installation position is a position with excellent installation conditions, and the installation conditions comprise one or more of installation space, installation convenience, environmental humidity and environmental temperature;

the display box in the control electric box module is arranged at a second installation position of the equipment room, the second installation position is a convenient position which is convenient for operation and viewing of equipment operation data, and the position comprises any one of an equipment room inlet and a central control room;

and connecting the electric drive box with the display box through a data line.

Preferably, the data line is a four-core communication line.

The application also discloses a control electrical box module split arrangement system which comprises a main control end arranged at a first installation position and a display box arranged at a second installation position, wherein the first installation position is a position with excellent installation conditions, the installation conditions comprise one or more of installation space, installation convenience, environment humidity and environment temperature, the second installation position is a convenient position for checking equipment operation data for convenience of operation, and the convenient position comprises any one of an equipment room inlet and a central control room;

the main control end comprises an electric drive box, and a control module is installed in the electric drive box; the display box is provided with a display module and a control module; the display module and the control module are respectively connected with the control module through data lines;

the control module comprises a main chip U2, an auxiliary chip U5, an output control relay circuit connected with the auxiliary chip U5, a control relay connected with the output control relay circuit, a display screen communication circuit connected with the auxiliary chip U5, a power supply circuit connected with the main chip U2, a three-phase current detection circuit connected with the main chip U2, a switch detection port unit connected with the main chip U2 and a temperature detection circuit connected with the switch detection port unit, wherein the temperature detection circuit is connected with the auxiliary chip U5, and the output end of the control relay is connected with the three-phase current detection circuit;

the display module comprises a display chip U8, an indicator lamp circuit connected with the display chip U8, a digital tube control circuit connected with the display chip U8, a digital tube display screen DS1 respectively connected with the indicator lamp circuit and the digital tube control circuit, a buzzer circuit connected with the digital tube control circuit, a network communication unit connected with the display chip U8, a voltage stabilizing circuit connected with the power supply circuit and used for outputting +5V voltage, a communication driving circuit connected with the output end of the voltage stabilizing circuit and a chip communication circuit respectively connected with the display chip U8 and the secondary chip U5;

the control module comprises a touch chip U13 connected with the display chip U8 and a key circuit connected with the display chip U8.

Preferably, a remote switch detection circuit for operating the on/off of the display screen is connected to the display chip U8, the remote switch detection circuit includes an NPN triode Q and a switch JP9, an emitter of the NPN triode Q is grounded, a collector of the NPN triode Q is connected to the display chip U8 through a resistor R36, a capacitor C31 and a resistor R43 are connected in parallel between a base set and an emitter of the NPN triode Q, a +12V voltage is connected between the capacitor C31 and the resistor R43 through a resistor R40 and a capacitor R35 which are connected in series, a pin 1 of the switch JP9 is connected between the resistor R40 and the capacitor R35, and a pin 2 of the switch JP9 is grounded.

Preferably, the switch detection port unit comprises five switch detection circuits which are respectively connected with a P0.0 pin, a P0.1 pin, a P1.0 pin, a P1.1 pin and a P1.2 pin of the main chip U2, the five switch detection circuits are respectively connected with a high-voltage switch detection device, a low-voltage switch detection device, a water flow switch detection device, a temperature switch detection device and a remote switch detection device, and when the high-voltage switch detection device, the low-voltage switch detection device, the water flow switch detection device, the temperature switch detection device and the remote switch detection device have problems, the main chip U2 triggers a protection mechanism; the switch detection circuit comprises a photoelectric coupler O1, a resistor R14 and a resistor R9, wherein a collector of the photoelectric coupler O1 is connected with the main chip U2, an emitter of the photoelectric coupler O1 is grounded, the resistor R14 is connected in parallel between the anode and the cathode of a middle diode of the photoelectric coupler O1, the anode of the middle diode of the photoelectric coupler is connected with +9V voltage through the resistor R9, and the cathode of the middle diode of the photoelectric coupler is connected with the temperature detection circuit.

Preferably, the control electrical box module split arrangement system comprises four temperature detection circuits, the temperature detection circuit comprises a resistor R19, a resistor R24 and a capacitor C16 which are connected in series, a negative electrode of a middle diode of the photocoupler O1 is connected between the resistor R19 and the resistor R24, a capacitor C15 is connected in parallel on the resistor R24 and the capacitor C16, a free end of the resistor R19 is connected with a VCC end, a free end of the capacitor C15 is connected with the ground, and a lead between the resistor R24 and the capacitor C16 is connected to the secondary chip U5.

Preferably, the network communication unit comprises a WIFI communication circuit connected with an RX pin of the display chip U8, a 4G communication circuit connected with a TX pin of the display chip U8, and a networking control chip MK1 connected with the WIFI communication circuit and the 4G communication circuit, the display chip U8 is connected with a network selection connector JP8, a pin 1 of the network selection connector JP8 is connected with a voltage of +5V, a pin 2 is grounded, a pin 3 is connected with the RX pin of the display chip U8, and a pin 4 is connected with the TX pin of the display chip U8, so that the display chip U8 is switched to a 4G communication circuit for communication when the WIFI communication circuit is not used.

Preferably, the power supply circuit comprises an element power supply circuit for outputting 5V direct current voltage and a detection port power supply circuit for outputting 12V direct current voltage; the element power supply circuit comprises a first rectifier bridge D1, wherein an alternating current input end of the first rectifier bridge D1 is connected with the main chip U2, a direct current capacitor C1 and a capacitor C4 are connected in parallel between an anode output end and a cathode output end of the first rectifier bridge D1, an anode of the direct current capacitor C1 is connected with an anode output end of the first rectifier bridge D1, a +12V voltage is connected with an anode of the direct current capacitor C1, an anode output end of the first rectifier bridge D1 is connected with an input end of a first voltage stabilizer U1, a ground end of the first voltage stabilizer U1 is connected with a cathode output end of the first rectifier bridge D1, a direct current capacitor C2 is connected in parallel between an output end and the ground end of the first voltage stabilizer U1, an anode of the direct current capacitor C2 is connected with an output end of the first voltage stabilizer U1, an output end of the first voltage stabilizer U1 is connected with a first end of a first inductance coil L1, a second end of the first inductance coil L1 is connected with a direct current capacitor C3 and a second end of the first voltage stabilizer U1 in parallel, and a VCC capacitor C3 are connected with a first end of the first inductance coil C3, and a second end of the direct current capacitor C3; the detection port power supply circuit comprises an alternating current input end and a second rectifier bridge D2 connected with the main chip U2, a direct current capacitor C6 is connected between the positive output end and the negative output end of the second rectifier bridge D2 in parallel, the positive electrode of the direct current capacitor C6 is connected with the positive output end of the second rectifier bridge D2, and the positive electrode of the direct current capacitor C6 is connected with +9V voltage.

Preferably, the output control relay circuit comprises a control chip U3 and a plug connector JP3, an input pin of the control chip U3 is connected with pins on the secondary chip U5 one by one, an output pin of the control chip U3 is connected with sockets of the plug connector JP3 one by one, and the control relay is connected between the output pin of the control chip U3 and the sockets of the plug connector JP 3.

Has the advantages that: according to the method and the system for split arrangement of the control electric box module, the main control end and the display box are installed at the first installation position and the second installation position respectively, and the performances of convenience in installation, convenience in display and viewing and high space utilization effect are achieved. The control module is installed close to the unit and monitors the operation data of the unit, the display module and the control module are installed at the position where the operation and observation of a user are convenient, the main control module and the display module are connected through the data line, and after the control module is connected, the layout of the whole equipment room electric control system can be completed, a large number of flat cables are not needed to be connected, meanwhile, the display module can visually and timely display the temperature detection data of the equipment room and the operation monitoring data of the unit for the user, the user can conveniently check the operation monitoring results of the equipment room temperature detection result and the unit, the problem that products in the equipment room are damaged due to the operation errors of the equipment room is solved, and the temperature control of the equipment room and the operation monitoring effect of the unit are improved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a flow chart of a split arrangement method of a control electrical box module in the embodiment of the present application;

fig. 2 is a pin diagram of a main chip U2 of a split arrangement system of a control electrical box module in the embodiment of the present application;

fig. 3 is a pin diagram of an auxiliary chip U5 of the electrical box module split arrangement control system in the embodiment of the present application;

fig. 4 is a schematic circuit diagram of an output control relay circuit of a split arrangement system of a control electrical box module in the embodiment of the present application;

fig. 5 is a schematic circuit diagram of a display screen communication circuit of a split arrangement system of a control electronic box module in the embodiment of the present application;

fig. 6 is a schematic circuit diagram of an external communication circuit of the split arrangement system of the control electrical box module in the embodiment of the present application;

fig. 7 is a schematic circuit diagram of a power supply circuit of a split arrangement system of control electrical box modules in the embodiment of the present application;

fig. 8 is a schematic circuit diagram of a three-phase current detection circuit of a control electrical box module split arrangement system in the embodiment of the present application;

fig. 9 is a schematic circuit diagram of a switch detection circuit of a split arrangement system of a control electrical box module in the embodiment of the present application;

FIG. 10 is a schematic circuit diagram of a plug R7 of the split arrangement system of the control electrical box module in the embodiment of the present application;

fig. 11 is a schematic circuit diagram of a temperature detection circuit of a split arrangement system of a control electrical box module in the embodiment of the present application;

FIG. 12 is a schematic circuit diagram of a plug JP6 of a split arrangement system of a control box module in the embodiment of the present application;

fig. 13 is a pin diagram of a display chip U8 of a control electrical box module split arrangement system in the embodiment of the present application;

FIG. 14 is a schematic circuit diagram of an indicator light circuit of a split arrangement system of control electrical box modules in the embodiment of the present application;

fig. 15 is a schematic circuit diagram of a key circuit of a split arrangement system of the control electronic box module in the embodiment of the present application;

fig. 16 is a schematic circuit diagram of a touch chip U13 of a split arrangement system of the control electronic box module in the embodiment of the present application;

fig. 17 is a schematic circuit diagram of a digital tube control circuit for controlling the electrical box module split arrangement system in the embodiment of the present application;

fig. 18 is a schematic circuit diagram of a nixie tube display screen DS1 of a split arrangement system of a control electrical box module in the embodiment of the present application;

fig. 19 is a schematic circuit diagram of a buzzer circuit of a split arrangement system of a control electrical box module in the embodiment of the present application;

fig. 20 is a schematic circuit diagram of a WIFI communication circuit of a control electrical box module split arrangement system in an embodiment of the present application;

fig. 21 is a schematic circuit diagram of a 4G communication circuit of a control electrical box module split arrangement system in the embodiment of the present application;

fig. 22 is a pin diagram of a networking control chip MK1 for controlling the electrical box module split arrangement system in the embodiment of the present application;

fig. 23 is a schematic circuit diagram of a network selection plug connector JP8 of a control box module split arrangement system in the embodiment of the present application;

FIG. 24 is a schematic circuit diagram of a voltage regulator circuit for controlling a split arrangement system of electrical box modules in an embodiment of the present application;

fig. 25 is a schematic circuit diagram of a communication driving circuit of a split arrangement system of control electronic box modules in the embodiment of the present application;

fig. 26 is a schematic circuit diagram of a chip communication circuit of a split arrangement system of control electronic box modules in the embodiment of the present application;

fig. 27 is a schematic structural diagram of a split arrangement system of the control electrical box module in the embodiment of the present application.

Reference numerals are as follows: 1. a compressor; 2. an electric drive box; 3. a display box; 4. a data line; 5. and (4) equipment rooms.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present disclosure, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience in describing the present disclosure and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present disclosure. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

It should be noted that the standard parts used in the present specification are commercially available and can be customized according to the description and drawings. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present disclosure will be understood by those of ordinary skill in the art as appropriate, and machines, parts and equipment may be of a type conventional in the art without specific limitations.

In this document, the term "comprises/comprising" is intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising 8230; \8230;" comprises 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

In the present embodiment, a refrigeration storage is used as an equipment room, and a technical improvement is made on an electric control system of the refrigeration storage. The details are as follows

Referring to fig. 1, a method for separately arranging control electrical box modules includes the following steps:

s101, installing an electric drive box 2 and a compressor 1 in a control electric box module at a first installation position of a refrigeration house, wherein the first installation position is a position with excellent installation conditions, and the installation conditions comprise one or more of installation space, installation convenience, environmental humidity and environmental temperature;

s102, installing a display box 3 in the control electric box module at a second installation position of the refrigeration house, wherein the second installation position is a convenient position for checking the operation data of the refrigeration house, and the position comprises any one of an inlet and a central control room of the refrigeration house;

s103, connecting the electric drive box with the compressor through an electric wire, and connecting the electric drive box with the display box through a data line 4, wherein the data line 4 is a four-core communication line.

The electric control installation mode of the traditional refrigeration house is that the electric cabinet is installed in an equipment room or outdoors, a user may cause inconvenience when using, for example, the equipment room can be accessed by a professional, if a non-professional of the user can not access the equipment room to check, and when a fault occurs, an alarm can not be timely fed back to an attendant, and the fault can be known when a maintainer accesses the equipment room. The other type is that the electric cabinet is installed in the place that the user of being convenient for observed operation information and easy to operate, for example freezer gate, well accuse room, but, because the electric cabinet is far away from the unit, can appear that the wiring is with high costs, the big scheduling problem of the artifical installation degree of difficulty to because the circuit is long, overhaul for the circuit in the future, the circuit is changed and is caused certain difficulty, simultaneously, because the length of wire is based on the distance selection use of electric cabinet and unit, the safety problem appears more easily for longer wire. In addition, because the refrigerator is installed at places close to people, such as a door of a refrigeration house and a central control room, the danger is easily caused to the people when the electric leakage condition occurs. And adopt the control electronic box module components of a whole that can function independently arrangement method that this application provided, do not need a large amount of winding displacement to connect, simultaneously, display module can be directly perceived and timely with the temperature detection data of equipment room and the operation monitoring data show of unit for the user, the operation monitoring result of looking over equipment room temperature testing result and unit that makes the user can be convenient, avoid the product in the equipment room to appear the problem of damage because of equipment room operation mistake, improve equipment room temperature control and unit operation monitoring effect.

Based on the method for separately arranging the control electrical box modules, the application provides a system for separately arranging the control electrical box modules, and as shown in fig. 27, the system comprises a main control end installed at a first installation position and a display box installed at a second installation position. Specifically, the main control end comprises a compressor 1 and an electric drive box 2, and a control module is installed in the electric drive box; the display box 3 is provided with a display module and a control module; the display module and the control module are respectively connected with the control module through data lines 4.

Refer to FIGS. 2-26

Control module includes main chip U2, vice chip U5, the output control relay circuit who links to each other with vice chip U5, the control relay who links to each other with output control relay circuit, the display screen communication circuit who links to each other with vice chip U5, the power supply circuit who links to each other with main chip U2 through plug connector JP2, the three-phase current detection circuitry who links to each other with main chip U2 through plug connector JP1, switch detection mouth unit that links to each other with main chip U2 through plug connector R7, the temperature detection circuitry who links to each other with switch detection mouth unit through plug connector JP6, temperature detection circuitry links to each other with vice chip U5. Main chip U2, vice chip U5, output control relay circuit, control relay, display screen communication circuit, power supply circuit, three-phase current detection circuit, switch detection mouth unit, temperature detection circuit, plug connector JP2, plug connector JP6, plug connector R7 all can be any one among the prior art.

In this embodiment, the main chip U2 and the sub-chip U5 are both N76E003AT20, and the pin schematic diagrams thereof are shown in fig. 2 and fig. 3, respectively. The main chip U2 is connected with a main chip burning port P1 used for burning a program, the auxiliary chip U5 is connected with an auxiliary chip burning port P2 used for burning the program, the main chip burning port P1 and the auxiliary chip burning port P2 can be any program burning module in the prior art, the main chip burning port P1 is connected with RST, RX and TX pins of the main chip U2, and the auxiliary chip burning port P2 is connected with P1.6, P0.2 and P2.0 pins of the auxiliary chip U5. The main chip U2 is connected to a filter circuit, which may be any one of the prior art. Output control relay circuit includes control chip U3, plug connector JP3, and the pin be-connected on control chip U3's the input pin and the vice chip U5, control chip U3's output pin and plug connector JP 3's socket be-connected one by one, and control relay connects between control chip U3's output pin and plug connector JP 3's socket. The model of the control chip U3 is ULN2003, the GND pin of the control chip U3 is grounded, the COM pin of the control chip U3 is connected with +12V voltage, and the 8 pin of the plug connector JP3 is grounded and the 9 pin of the plug connector JP3 is connected with +12V voltage. Plug connector JP3, control chip U3, control relay all can be any one in the prior art, in this embodiment, the model of control chip U3 is ULN2003, as shown in FIG. 4, pins 1-7 of control chip U3 are connected with pins P1.5, P1.7, P3.0, P0.1, P0.0, P1.0, P1.2 of sub-chip U5 respectively, pin 8 of control chip U3 is GND pin, pin 9 of control chip U3 is COM pin, and pins 10-16 of control chip U3 are connected with pin 7-1 of plug connector JP3 respectively. When the control relay is used, the control relay can be controlled by a control chip U3 by adopting a program in the prior art, and when the control relay is conducted to work, as shown in figure 5, a K pin of the control relay is an output end.

In this embodiment, the main chip U2 is connected to an external communication circuit for transmitting data to and from an external device, and may be used to receive and transmit instructions, and the transmitted data may be a running state of the unit, a temperature detection result, and the like, and is often used to connect a plurality of control electronic box module devices to a background computer or a temperature recorder. The external communication circuit and the display screen communication circuit can be any one of the external communication circuit and the display screen communication circuit in the prior art, and in this embodiment, the external communication circuit and the display screen communication circuit both adopt a model number of MAX485 as communication chips. As shown in fig. 5, pin 1 of the communication chip of the display screen communication circuit is connected to pin P0.7 of the sub-chip U5, pins 2 and 3 are both connected to pin P1.4 of the sub-chip U5, and pin 4 is connected to pin P0.6 of the sub-chip U5; as shown in fig. 6, pin 1 of the communication chip of the external communication circuit is connected to the RX pin of the main chip U2, pins 2 and 3 are both connected to the RE pin of the main chip U2, and pin 4 is connected to the TX pin of the main chip U2.

In this embodiment, as shown in fig. 7, the power supply circuit includes an element power supply circuit that inputs 220V ac power from a transformer, rectifies the input 220V ac power into 12V dc voltage, and then stabilizes and outputs 5V dc voltage to elements in the circuit, and a detection port power supply circuit that inputs 220V ac power from a transformer, rectifies the input 220V ac power into 12V dc voltage, and outputs the voltage to a detection port of an external detection device. The element power supply circuit comprises a first rectifier bridge D1, wherein an alternating current input end of the first rectifier bridge D1 is connected with a plug connector JP2, a direct current capacitor C1 and a capacitor C4 are connected in parallel between an anode output end and a cathode output end of the first rectifier bridge D1, an anode of the direct current capacitor C1 is connected with an anode output end of the first rectifier bridge D1, a +12V voltage is connected with an anode of the direct current capacitor C1, an anode output end of the first rectifier bridge D1 is connected with an input end of a first voltage stabilizer U1, a grounding end of the first voltage stabilizer U1 is connected with a cathode output end of the first rectifier bridge D1, a direct current capacitor C2 is connected in parallel between an output end and a grounding end of the first voltage stabilizer U1, an anode of the direct current capacitor C2 is connected with an output end of the first voltage stabilizer U1, an output end of the first voltage stabilizer U1 is connected with a first end of a first inductance coil L1, a direct current capacitor C3 and a capacitor C5 are connected in parallel between a second end and a grounding end of the first inductance coil L1, and an anode of the direct current capacitor C3 is connected with a VCC 3. The plug connector JP2, the first rectifier bridge D1, and the first regulator U1 may all be any one of the prior art, the model of the first rectifier bridge D1 in this embodiment is DB207S, the model of the first regulator U1 is 78L05, the capacitance value of the dc capacitor C1 is 1000uF, the capacitance value of the capacitor C4 is 104F, the capacitance value of the dc capacitor C2 is 220uF, the inductance value of the first inductor L1 is 100uH, the capacitance value of the dc capacitor C3 is 470uF, and the capacitance value of the capacitor C5 is 104F. The detection port power supply circuit comprises a second rectifier bridge D2 connected with the plug connector JP2 through an alternating current input end, a direct current capacitor C6 connected in parallel between the positive output end and the negative output end of the second rectifier bridge D2, the positive electrode of the direct current capacitor C6 is connected with the positive output end of the second rectifier bridge D2, and the positive electrode of the direct current capacitor C6 is connected with +9V voltage. The second rectifier bridge D2 may be any one of the prior art, the model of the second rectifier bridge D2 in this embodiment is DB207S, and the capacitance value of the dc capacitor C6 is 470uF.

IN this embodiment, the three-phase current detection circuit is configured to detect ABC three-phase currents of the unit, as shown IN fig. 8, three input terminals of the three-phase current detection circuit are connected to the IN1 pin, the IN2 pin, and the IN3 pin of the main chip U2, respectively, and an output terminal of the control relay is connected to the three-phase current detection circuit.

In this embodiment, the switch detection port unit includes five switch detection circuits respectively connected to the P0.0 pin, the P0.1 pin, the P1.0 pin, the P1.1 pin, and the P1.2 pin of the main chip U2, where the five switch detection circuits are respectively connected to the high-voltage switch detection device, the low-voltage switch detection device, the water flow switch detection device, the temperature switch detection device, and the remote switch detection device, and the high-voltage switch detection device, the low-voltage switch detection device, the water flow switch detection device, the temperature switch detection device, and the remote switch detection device may be any one of those in the prior art. When the high-voltage switch detection device, the low-voltage switch detection device, the water flow switch detection device, the temperature switch detection device and the remote switch detection device are in a fault state, the main chip U2 triggers a protection mechanism. The switch detection circuit may be any one of the prior art, as shown in fig. 9, the switch detection circuit in this embodiment includes a photocoupler O1, a resistor R14, and a resistor R9, a collector of the photocoupler O1 is connected to a plug R7, as shown in fig. 10, pins 2-4 and 6-9 of the plug R7 are respectively connected to pins N1, N2, P0.2, N3, P1.6, N4, and N5 of the main chip U2, and a COM pin of the plug R7 is connected to a VCC terminal. The emitter of the photoelectric coupler O1 is grounded, the resistor R14 is connected between the anode and the cathode of the middle diode of the photoelectric coupler O1 in parallel, the anode of the middle diode of the photoelectric coupler is connected with +9V voltage through the resistor R9, and the cathode of the middle diode of the photoelectric coupler is connected with the plug connector JP 6. The photoelectric coupler O1 and the plug connector R7 can be any one of the prior art, the type of the photoelectric coupler O1 is 817, the resistance value of the resistor R14 is 10K omega, and the resistance value of the resistor R9 is 4.7K omega.

In the present embodiment, the control electrical box module separation arrangement system includes four temperature detection circuits, as shown in fig. 11, the temperature detection circuit includes a resistor R19, a resistor R24, and a capacitor C16 connected in series, a plug JP6 is connected between the resistor R19 and the resistor R24, a capacitor C15 is connected in parallel to the resistor R24 and the capacitor C16, a free end of the resistor R19 is connected to a VCC end, a free end of the capacitor C15 is connected to ground, and a lead between the resistor R24 and the capacitor C16 is connected to the sub-chip U5. The resistance value of the resistor R19 is 10K Ω, the resistance value of the resistor R24 is 1K Ω, and the capacitor C16. The capacitance value of the capacitor C15 is 104F. As shown in fig. 12, the socket JP6 may be any one of the prior art, the four-way switch detection circuit is respectively connected to pins 2 to 6 of the socket JP6, the four-way temperature detection circuit is respectively connected to pins 8 to 11 of the socket JP6, and pins 1 and 12 of the socket JP6 are grounded.

The display module comprises a display chip U8, an indicator lamp circuit connected with the display chip U8, a digital tube control circuit connected with the display chip U8, a digital tube display screen DS1 respectively connected with the indicator lamp circuit and the digital tube control circuit, a buzzer circuit connected with the digital tube control circuit, a network communication unit connected with the display chip U8, a voltage stabilizing circuit connected with a power supply circuit and used for outputting +5V voltage, a communication driving circuit connected with the output end of the voltage stabilizing circuit, and a chip communication circuit respectively connected with the display chip U8 and an auxiliary chip U5.

In the present embodiment, the model of the display chip U8 is selected as N76E616AL48, and the pin diagram thereof is shown in fig. 13. The display chip U8 is connected with a display chip burning port JP7 for burning a program, and the display chip burning port JP7 can be any program burning module in the prior art and is connected with RST, ICPCK and ICPDA pins of the display chip U8.

In this embodiment, as shown in fig. 14, the indicator light circuit includes 8 indicator lights, which may specifically be 4 working indicator lights and 4 fault indicator lights, when the 4 working indicator lights are turned on, the states of water pump operation, compressor operation, fan operation and defrosting operation are respectively represented, when the 4 fault indicator lights are turned on, the states of communication fault, current fault, open-phase fault and pressure fault are respectively represented, and input ends of the 8 indicator lights of the indicator light circuit are respectively connected to pins a, B, C, D, E, F, G and H of the display chip U8. As shown in fig. 15, the key circuit includes 5 keys, specifically, a power key, a setting key, a view/switch key, an up-adjust key, and a down-adjust key, and input terminals of the 5 keys of the key circuit are respectively connected to pins E, F, H, B, and C of the display chip U8.

In this embodiment, the type of the chip adopted by the touch chip U13 is ADPT008, and as shown in fig. 16, pins 1 to 5 of the touch chip U13 are connected to pins P1.7, P2.0, P2.3, P2.4, and P2.5 of the display chip U8, respectively.

In this embodiment, as shown in fig. 17, the digital tube control circuit adopts two chips with model number ULN2003 as control chips, and pins 1 to 7 of the first ULN2003 chip are respectively connected with pins 1 to 7 of the display chip U8; pins 1-7 of the second ULN2003 chip are connected to pins 8-14 of the display chip U8, respectively. The model of the nixie tube display screen DS1 is selected as DPY _11, as shown in fig. 18, pins 1 to 7 of the nixie tube display screen DS1 are respectively connected to

pins

16, 15, 14, 13, 12, 11 and 10 of a first ULN2003 chip, pins 8 to 11 of the nixie tube display screen DS1 are respectively connected to

pins

16, 15, 14 and 10 of a second ULN2003 chip, and pins 12 to 20 of the nixie tube display screen DS1 are respectively connected to pins a, B, C, D, E, F, G and H of the display chip U8. The output ends of 8 indicator lamps of the indicator lamp circuit are connected with the 12 pins of the second ULN2003 chip in the digital tube control circuit, the output ends of 5 keys of the key circuit are connected with the 13 pins of the second ULN2003 chip in the digital tube control circuit, as shown in fig. 19, and the buzzer circuit is connected with the 11 pins of the second ULN2003 chip in the digital tube control circuit.

In this embodiment, as shown in fig. 20 to 23, the network communication unit includes a WIFI communication circuit connected to an RX pin of the display chip U8, a 4G communication circuit connected to a TX pin of the display chip U8, and a networking control chip MK1 connected to the WIFI communication circuit and the 4G communication circuit, the display chip U8 is connected to a network selection plug connector JP8, the WIFI communication circuit, the 4G communication circuit, the networking control chip MK1, and the network selection plug connector JP8 all adopt any one of the prior art, as the name suggests, the WIFI communication circuit is a circuit for controlling and connecting a WIFI network signal to perform network data transmission, the 4G communication circuit is a circuit for controlling and connecting a 4G data flow to perform network data transmission, a pin 1 of the network selection plug connector JP8 is connected to a +5V voltage, a pin 2 is grounded, a pin 3 is connected to the RX pin of the display chip U8, and a pin 4 is connected to the TX pin of the display chip U8, so that the display chip U8 switches to the communication to the 4G communication circuit when the WIFI communication is not used.

In this embodiment, as shown in fig. 24, the voltage regulator circuit employs 78L05 as a voltage regulator chip, which is used to convert the +12V dc voltage transmitted by the motherboard control module into +5V dc voltage. As shown in FIG. 25, the communication driver circuit employs model AMS1117-3.3 as a control chip, which serves as a networking driver module for the display chip U8. As shown in fig. 26, the chip communication circuit is configured to establish communication with the control module, and the MAX485 chip is used as the communication chip, pin 1 of the communication chip is connected to pin P0.7 of the sub-chip U5, pins 2 and 3 of the communication chip are both connected to pin P0.6 of the sub-chip U5, pin 4 of the communication chip is connected to pin P0.5 of the sub-chip U5, and the communication chip is connected to the display chip U8 through the connector JP 11.

Be connected with two remote switch detection circuitry that are used for remote operation to carry out the display screen switching on and shutting down on the display chip U8, the customer installs the external terminal of display screen module to the position of being convenient for operate to with line connection on remote switch detection circuitry, so that manually carry out the switching on and shutting down to the display screen module. As shown in fig. 26, the remote switch detection circuit includes an NPN transistor Q and a switch JP9, an emitter of the NPN transistor Q is grounded, a collector of the NPN transistor Q is connected to the AIN3 pin of the display chip U8 through a resistor R36, a capacitor C31 and a resistor R43 are connected in parallel between a base set and the emitter of the NPN transistor Q, the capacitor C31 and the resistor R43 are connected to a +12V voltage through a resistor R40 and a capacitor R35 connected in series, a pin 1 of the switch JP9 is connected between the resistor R40 and the capacitor R35, and a pin 2 of the switch JP9 is grounded. The resistance value of the resistor R36 is 1K Ω, the resistance value of the resistor R43 is 5.1K Ω, the resistance value of the resistor R40 is 20K Ω, and the resistance value of the capacitor R35 is 20K Ω. It should be noted that, the circuit structures of the two mentioned remote switch detection circuits are the same, and the collector of the NPN triode Q in the other remote switch detection circuit is connected to the AIN2 pin of the display chip U8 through a resistor.

The method and the system for separately arranging the control electric box modules are suitable for construction and use of a refrigeration house in the refrigeration industry, and compared with the traditional mode, the method is simpler, more efficient, safer and lower in cost in installation. Specifically, electric drive case and display box separation, mounted position limitation scope is little, can install the optimum position according to the engineering needs, and display box and electric drive case only need the data wire of a four-core can accomplish the communication, the human cost who consumes when having solved freezer installation electric cabinet. And the electric drive case is installed by the unit, can subtract the length of short wire rod in a large number, saves artifical and wire material cost, overhauls the raise the efficiency to later maintenance, and the security is higher. The display box can be installed in places such as a central control room and a refrigeration house door which are convenient to operate and check according to the needs of users, so that the display box is separated from the electric drive box, the product volume of each installation position is reduced, the safety is improved, and the risk problems such as electric shock are reduced. Meanwhile, the display box can be provided with a refrigerator lamp switch, an air curtain machine switch and a refrigeration switch, so that the operation of the refrigerator is controlled.

Finally, it should be noted that: although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still make modifications on the technical solutions described in the foregoing embodiments, or make equivalent substitutions on some technical features, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A split arrangement method of a control electric box module is characterized by comprising the following steps:

and connecting the electric drive box with the display box through a data line.

2. The split arrangement method of the control electrical box module according to claim 1, wherein the data line is a quad communication line.

3. A control electrical box module split arrangement system is characterized by comprising a main control end and a display box, wherein the main control end is installed at a first installation position, the display box is installed at a second installation position, the first installation position is a position with excellent installation conditions, the installation conditions comprise one or more of installation space, installation convenience, ambient humidity and ambient temperature, the second installation position is a convenient position facilitating operation and checking of equipment operation data, and the convenient position comprises any one of an equipment room inlet and a central control room;

the display module comprises a display chip U8, an indicator light circuit connected with the display chip U8, a digital tube control circuit connected with the display chip U8, a digital tube display screen DS1 respectively connected with the indicator light circuit and the digital tube control circuit, a buzzer circuit connected with the digital tube control circuit, a network communication unit connected with the display chip U8, a voltage stabilizing circuit connected with the power supply circuit and used for outputting +5V voltage, a communication driving circuit connected with the output end of the voltage stabilizing circuit and a chip communication circuit respectively connected with the display chip U8 and the secondary chip U5;

4. The control box module split arrangement system according to claim 3, wherein a remote switch detection circuit for operating the on/off of the display screen is connected to the display chip U8, the remote switch detection circuit includes an NPN transistor Q, a switch JP9, an emitter of the NPN transistor Q is connected to ground, a collector of the NPN transistor Q is connected to the display chip U8 through a resistor R36, a capacitor C31 and a resistor R43 are connected in parallel between a base and an emitter of the NPN transistor Q, a +12V voltage is connected between the capacitor C31 and the resistor R43 through a resistor R40 and a capacitor R35 connected in series, a pin 1 of the switch JP9 is connected between the resistor R40 and the capacitor R35, and a pin 2 of the switch JP9 is connected to ground.

5. The split arrangement system of the control electrical box module set according to claim 4, wherein the switch detection port unit comprises five switch detection circuits respectively connected with the P0.0 pin, the P0.1 pin, the P1.0 pin, the P1.1 pin and the P1.2 pin of the main chip U2, the five switch detection circuits are respectively connected with a high-voltage switch detection device, a low-voltage switch detection device, a water flow switch detection device, a temperature switch detection device and a remote switch detection device, and when a problem occurs in the high-voltage switch detection device, the low-voltage switch detection device, the water flow switch detection device, the temperature switch detection device and the remote switch detection device, the main chip U2 triggers a protection mechanism; the switch detection circuit comprises a photoelectric coupler O1, a resistor R14 and a resistor R9, wherein a collector of the photoelectric coupler O1 is connected with the main chip U2, an emitter of the photoelectric coupler O1 is grounded, the resistor R14 is connected in parallel between the anode and the cathode of a middle diode of the photoelectric coupler O1, the anode of the middle diode of the photoelectric coupler is connected with +9V voltage through the resistor R9, and the cathode of the middle diode of the photoelectric coupler is connected with the temperature detection circuit.

6. The control electrical box module splitting arrangement system according to claim 5, comprising four temperature detection circuits, wherein the temperature detection circuits comprise a resistor R19, a resistor R24 and a capacitor C16 connected in series, a cathode of a middle diode of the photocoupler O1 is connected between the resistor R19 and the resistor R24, a capacitor C15 is connected in parallel to the resistor R24 and the capacitor C16, a free end of the resistor R19 is connected to a VCC end, a free end of the capacitor C15 is connected to ground, and a lead between the resistor R24 and the capacitor C16 is connected to the secondary chip U5.

7. The control box module split arrangement system according to claim 3, wherein the network communication unit comprises a WIFI communication circuit connected to an RX pin of the display chip U8, a 4G communication circuit connected to a TX pin of the display chip U8, and a networking control chip MK1 connected to the WIFI communication circuit and the 4G communication circuit, the display chip U8 is connected with a network selection connector JP8, and the network selection connector JP8 is connected with a voltage of +5V at a pin 1, a ground at a pin 2, a pin 3 connected to the RX pin of the display chip U8, and a pin 4 connected to the TX pin of the display chip U8, so that the display chip U8 is switched to a 4G communication circuit for communication when the WIFI communication circuit is not used for communication.

8. The control electrical box module split arrangement system as claimed in claim 3, wherein the power supply circuit comprises an element power supply circuit for outputting 5V DC voltage, a detection port power supply circuit for outputting 12V DC voltage; the element power supply circuit comprises a first rectifier bridge D1, wherein an alternating current input end of the first rectifier bridge D1 is connected with the main chip U2, a direct current capacitor C1 and a capacitor C4 are connected in parallel between an anode output end and a cathode output end of the first rectifier bridge D1, an anode of the direct current capacitor C1 is connected with an anode output end of the first rectifier bridge D1, a +12V voltage is connected with an anode of the direct current capacitor C1, an anode output end of the first rectifier bridge D1 is connected with an input end of a first voltage stabilizer U1, a ground end of the first voltage stabilizer U1 is connected with a cathode output end of the first rectifier bridge D1, a direct current capacitor C2 is connected in parallel between an output end and the ground end of the first voltage stabilizer U1, an anode of the direct current capacitor C2 is connected with an output end of the first voltage stabilizer U1, an output end of the first voltage stabilizer U1 is connected with a first end of a first inductance coil L1, a second end of the first inductance coil L1 is connected with a direct current capacitor C3 and a second end of the first voltage stabilizer U1 in parallel, and a VCC capacitor C3 are connected with a first end of the first inductance coil C3, and a second end of the direct current capacitor C3; the detection port power supply circuit comprises an alternating current input end and a second rectifier bridge D2 connected with the main chip U2, a direct current capacitor C6 is connected between the positive output end and the negative output end of the second rectifier bridge D2 in parallel, the positive electrode of the direct current capacitor C6 is connected with the positive output end of the second rectifier bridge D2, and the positive electrode of the direct current capacitor C6 is connected with +9V voltage.

9. The split arrangement system of the control electric box module according to claim 3, wherein the output control relay circuit comprises a control chip U3 and a plug connector JP3, the input pins of the control chip U3 are connected with the pins on the secondary chip U5 one by one, the output pins of the control chip U3 are connected with the sockets of the plug connector JP3 one by one, and the control relay is connected between the output pins of the control chip U3 and the sockets of the plug connector JP 3.