Temperature controller with nuclear radiation detection function

Abstract

The utility model provides a temperature controller with a nuclear radiation detection function, which is characterized in that the temperature controller comprises a temperature detection probe, a nuclear radiation detection probe and a master control module, the master control module is electrically connected with the temperature detection probe and the nuclear radiation detection probe respectively, and the temperature detection probe is electrically connected with the nuclear radiation detection probe. The main control module comprises a 485 communication circuit, a 4G communication unit, a main control MCU, an AC-DC power conversion circuit, a lithium battery switching circuit and a third power supply circuit, the 485 communication circuit is connected with the nuclear radiation detection probe and the main control MCU, the 4G communication unit is connected with the main control MCU, and the AC-DC power conversion circuit, the lithium battery switching circuit, the third power supply circuit and the main control MCU are connected in sequence. In a word, the temperature controller provided by the utility model can detect the nuclear radiation amount efficiently and accurately while giving consideration to the original functions.

Description

TECHNICAL FIELD

[0001] The utility model relates to a refrigeration plant, specifically relates to a temperature controller with nuclear radiation detection function. BACKGROUND

[0002] At present, various commercial nuclear power plants are widely built for providing power, which further increases the possibility of radioactive pollution, especially the radioactive pollution to the marine environment.

[0003] The refrigeration plant is the equipment for preserving food and other articles at low temperature, which is generally divided into household and commercial two kinds. The refrigeration plant is often used for storing fish food which is easy to rot, and the potential risk of marine pollution also leads to the possibility of nuclear radiation pollution of fish food.

[0004] In addition, since the refrigeration plant has good food storage function, some stored food is often stored in the refrigeration plant for a long time. If the food with nuclear radiation pollution is stored in the refrigeration plant for a long time, other food stored in the same refrigeration plant will be contaminated.

[0005] The temperature controller is a commonly used device in the refrigeration plant, which is used for detecting the temperature in the refrigeration plant and temperature regulating the refrigeration plant.

[0006] In the prior art, the temperature controller cannot detect the degree of nuclear radiation pollution of the articles in the refrigeration plant, which causes certain hidden danger to human health. Therefore, a temperature controller with nuclear radiation detection function is urgently needed. CONTENT OF THE UTILITY MODEL

[0007] The utility model is carried out in order to solve the above problem, aims at providing a temperature controller with nuclear radiation detection function.

[0008] The utility model provides a temperature controller with nuclear radiation detection function has such characteristics, include: temperature detection probe, nuclear radiation detection probe and main control module, wherein, main control module is connected with temperature detection probe and nuclear radiation detection probe electricity respectively, main control module includes 485 communication circuit, 4G communication unit, main control MCU, AC-DC power conversion circuit, lithium electricity switching circuit and third power supply circuit, 485 communication circuit is connected with nuclear radiation detection probe and main control MCU respectively, 4G communication unit is connected with main control MCU, AC-DC power conversion circuit, lithium electricity switching circuit, third power supply circuit and main control MCU are sequentially connected, AC-DC power conversion circuit is used to convert the input alternating current into the fixed voltage size direct current, to form the first power supply, lithium electricity switching circuit is used to adopt the first power supply to charge and discharge lithium battery, and generates the fixed voltage size direct current, to form the second power supply, third power supply circuit is used to generate the fixed voltage size direct current with the second power supply, to form the third power supply.

[0009] In the temperature controller with nuclear radiation detection function, the main control module further comprises a temperature detection circuit and a voltage stabilizing circuit, the voltage stabilizing circuit is connected with the lithium battery switching circuit, is used for generating direct current with a fixed voltage size by using the second power supply, thereby forming a fourth power supply, and the temperature detection circuit is connected with the lithium battery switching circuit, the third power supply circuit, the voltage stabilizing circuit, a temperature detection probe and the main control MCU respectively.

[0010] In the temperature controller with nuclear radiation detection function, the main control module further comprises a temperature detection circuit and a voltage stabilizing circuit, the voltage stabilizing circuit is connected with the lithium battery switching circuit, is used for generating direct current with a fixed voltage size by using the second power supply, thereby forming a fourth power supply, and the temperature detection circuit is connected with the lithium battery switching circuit, the third power supply circuit, the voltage stabilizing circuit, a temperature detection probe and the main control MCU respectively.

[0011] The temperature controller with the nuclear radiation detection function has the features that the 4G communication unit comprises a 4G power control circuit, a 4G control circuit, a SIM card peripheral circuit and a level conversion circuit, the 4G power control circuit is connected with the lithium battery switching circuit and the main control MCU respectively, is used for generating the direct current with the fixed voltage size by adopting the second power supply, thereby forming the fifth power supply, the 4G control circuit is connected with the 4G power control circuit, the SIM card peripheral circuit and the level conversion circuit respectively, the level conversion circuit is connected with the main control MCU, the SIM card peripheral circuit comprises a SIM card, and the 4G control circuit is used for sending the nuclear radiation amount transmitted by the main control MCU to the designated equipment.

[0012] The temperature controller with the nuclear radiation detection function has the features that the 4G communication unit further comprises a network indicator lamp circuit, the network indicator lamp circuit is connected with the 4G control circuit and the 4G power control circuit respectively, the network indicator lamp circuit comprises a light emitting diode D101, a resistor R103 and a triode Q102, the positive pole of the light emitting diode D101 is connected with the 4G power control circuit, the negative pole of the light emitting diode D101 is connected with one end of the resistor R103, the other end of the resistor R103 is connected with the collector of the triode Q102, the base of the triode Q102 is connected with the 4G control circuit, and the emitter of the triode Q102 is grounded.

[0013] The temperature controller with the nuclear radiation detection function has the features that the 4G communication unit further comprises a filter circuit, the filter circuit comprises a voltage stabilizing diode D100, a polarity capacitor C100, a polarity capacitor C104, a capacitor C101, a capacitor C102 and a capacitor C103, the negative pole of the voltage stabilizing diode D100, the positive pole of the polarity capacitor C100, the positive pole of the polarity capacitor C104, one end of the capacitor C101, one end of the capacitor C102 and one end of the capacitor C103 are connected with the output end of the 4G power control circuit, the positive pole of the voltage stabilizing diode D100, the negative pole of the polarity capacitor C100, the negative pole of the polarity capacitor C104, the other end of the capacitor C101, the other end of the capacitor C102 and the other end of the capacitor C103 are grounded.

[0014] In the temperature controller with nuclear radiation detection function, the main control module further comprises a mains detection circuit, the mains detection circuit comprises a resistor R315, a triode Q300, a resistor R316 and a resistor R317, one end of the resistor R315 is connected with the third power supply circuit, the other end of the resistor R315 is connected with the main control MCU and the collector of the triode Q300 respectively, the base of the triode Q300 is connected with one end of the resistor R316 and one end of the resistor R317 respectively, the other end of the resistor R316 is connected with the AC-DC power supply conversion circuit, and the other end of the resistor R317 and the emitter of the triode Q300 are grounded respectively.

[0015] In the temperature controller with nuclear radiation detection function, the main control module further comprises a buzzer circuit, the buzzer circuit comprises a buzzer LS300, a resistor R323, a triode Q301 and a resistor R324, the buzzer LS300 has pins 1-4, the pin 1 of the buzzer LS300 is connected with the third power supply circuit, the pin 2 of the buzzer LS300 is connected with one end of the resistor R323, the other end of the resistor R323 is connected with the collector of the triode Q301, the base of the triode Q301 is connected with the main control MCU and one end of the resistor R324 respectively, the emitter of the triode Q301, the other end of the resistor R324 and the pins 3 and 4 of the buzzer LS300 are grounded respectively.

[0016] The temperature controller with the nuclear radiation detection function has the following characteristics: the temperature controller comprises a main control module, a fan, a compressor, an AC-DC power conversion circuit, a lithium battery switching circuit, a third power supply circuit, a 485 communication circuit and a 4G communication unit, wherein the main control module comprises a main control MCU, a relay control circuit, a 4G communication unit and a 485 communication circuit, the relay control circuit comprises a relay K400, a relay K401, a relay K402, a diode D405, a triode Q403, a resistor R407, a resistor R410, a diode D406, a triode Q405, a resistor R408, a resistor R413 and a connector P405, the relay K400, the relay K401 and the relay K402 are respectively provided with pins 1-4, the connector P405 is provided with pins 1-5, the pin 1 of the relay K400 is connected with the pin 3 of the relay K402, the pin 2 is connected with the compressor, the pin 3 is connected with the AC-DC power conversion circuit and the negative electrode of the diode D405 respectively, the pin 4 is connected with the positive electrode of the diode D405, the collector of the triode Q403 and the pin 4 of the relay K402 respectively, the base of the triode Q403 is connected with one end of the resistor R407 and one end of the resistor R410 respectively, the other end of the resistor R407 is connected with the main control MCU, the pin 1 of the relay K401 is connected with the fan, the pin 2 is connected with the pin 3 of the connector P405, the pin 3 is connected with the positive electrode of the diode D406 and the collector of the triode Q405 respectively, the pin 4 is connected with the negative electrode of the diode D406 and the AC-DC power conversion circuit respectively, the base of the triode Q405 is connected with one end of the resistor R408 and one end of the resistor R413 respectively, the other end of the resistor R408 is connected with the main control MCU, the pin 1 of the relay K402 is connected with the compressor, the pin 2 is connected with the pin 3 of the connector P405, the pin 3 is connected with the AC-DC power conversion circuit, the pin 1 of the connector P405 is connected with the compressor, and the pin 2 is connected with the fan.

[0017] Effects of the utility model

[0018] According to the temperature controller with the nuclear radiation detection function, AC-DC conversion, lithium battery charging and discharging and outputting the third power supply for components are realized through the AC-DC power conversion circuit, the lithium battery switching circuit and the third power supply circuit in sequence, the main control MCU and the nuclear radiation detection probe are connected through the 485 communication circuit, efficient data transmission is realized, the 4G communication unit connected with the main control MCU is arranged, the nuclear radiation amount is detected through the nuclear radiation detection probe, the 4G communication unit can realize signal transmission function and send the nuclear radiation amount to other equipment. Therefore, the temperature controller with the nuclear radiation detection function can detect the nuclear radiation amount efficiently and accurately while considering the original function. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is the block diagram of the temperature controller with the nuclear radiation detection function in the embodiment of the utility model.

[0020] Figure 2 is the block diagram of the main control module in the embodiment of the utility model;

[0021] Figure 3 is the circuit structure diagram of AC-DC power conversion circuit in the embodiment of the utility model;

[0022] Figure 4 is the circuit structure diagram of lithium electricity switching circuit in the embodiment of the utility model;

[0023] Figure 5 is the circuit structure diagram of third power circuit in the embodiment of the utility model;

[0024] Figure 6 is the circuit structure diagram of voltage stabilizing circuit in the embodiment of the utility model;

[0025] Figure 7 is the circuit structure diagram of main control MCU in the embodiment of the utility model;

[0026] Figure 8 is the circuit structure diagram of 485 communication circuit in the embodiment of the utility model;

[0027] Figure 9 is the circuit structure diagram of temperature detection circuit in the embodiment of the utility model;

[0028] Figure 10 is the circuit structure diagram of relay control circuit in the embodiment of the utility model;

[0029] Figure 11 is the circuit structure diagram of mains detection circuit in the embodiment of the utility model;

[0030] Figure 12 is the circuit structure diagram of buzzer circuit in the embodiment of the utility model;

[0031] Figure 13 is the block diagram of 4G communication unit in the embodiment of the utility model;

[0032] Figure 14 is the circuit structure diagram of power control circuit in the embodiment of the utility model;

[0033] Figure 15 is the circuit structure diagram of filter circuit in the embodiment of the utility model;

[0034] Figure 16 is the circuit structure diagram of 4G control circuit in the embodiment of the utility model;

[0035] Figure 17 is the circuit structure diagram of SIM card peripheral circuit in the embodiment of the utility model;

[0036] Figure 18 is the circuit structure diagram of the level conversion circuit in the embodiment of the utility model;

[0037] Figure 19 is the circuit structure diagram of the network indicating lamp circuit in the embodiment of the utility model. DETAILED DESCRIPTION

[0038] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the following embodiments combine with the drawings to make specific description on the temperature controller with nuclear radiation detection function.

[0039] Figure 1 is the block diagram of the temperature controller with nuclear radiation detection function in the embodiment of the utility model.

[0040] As Figure 1 shown, the temperature controller 10 includes a main control module 11, a temperature detection probe 12, a nuclear radiation detection probe 13, a fan 14 and a compressor 15. The main control module 11 is electrically connected with the temperature detection probe 12, the nuclear radiation detection probe 13, the fan 14 and the compressor 15 respectively.

[0041] Figure 2 is the block diagram of the main control module in the embodiment of the utility model.

[0042] As Figure 2 shown, the main control module 11 includes an AC-DC power conversion circuit 1101, a lithium battery switching circuit 1102, a third power circuit 1103, a voltage stabilizing circuit 1104, a main control MCU 1105, a 485 communication circuit 1106, a temperature detection circuit 1107, a relay control circuit 1108, a mains detection circuit 1109, a buzzer circuit 1110 and a 4G communication unit 1111.

[0043] Figure 3 is the circuit structure diagram of the AC-DC power conversion circuit in the embodiment of the utility model.

[0044] As Figure 3As shown, the AC-DC power conversion circuit 1101 is used to convert the input 85-265V AC into 5V DC, thereby forming a first power supply, including a fuse F200, a variable resistor RT200, a voltage-dependent resistor MOV200, a resistor R200, a resistor R201, a resistor R202, a resistor R203, a resistor R204, a resistor R205, a resistor R206, a resistor R207, a resistor R208, a resistor R209, a resistor R210, a resistor R211, a capacitor C200, a polar capacitor C201, a polar capacitor C202, a polar capacitor C203, a polar capacitor C204, a capacitor C205, a polar capacitor C206, a capacitor C207, a capacitor X200, a capacitor Y200, an inductor L201, an inductor coil L202, a diode D1, a diode D2, a diode D3, a diode D4, a Schottky diode D200, a diode D201, a diode D202, a diode D204, a three-winding transformer T200, and a power supply chip U200.

[0045] The power supply chip U200 has pins 1-8. The Schottky diode D200 has pins 1-3.

[0046] One end of the fuse F200 is connected to the live wire L of the plug, and the other end of the fuse F200 is connected to one end of the voltage-dependent resistor MOV200, one end of the capacitor X200, one end of the resistor R211, and the same-named end of one side of the inductor coil L202. One end of the variable resistor RT200 is connected to the neutral wire N of the plug, and the other end of the variable resistor RT200 is connected to the other end of the voltage-dependent resistor MOV200, the other end of the capacitor X200, one end of the resistor R210, and the same-named end of the other side of the inductor coil L202. The other end of the resistor R211 and the other end of the resistor R210 are connected.

[0047] The different-named end of one side of the inductor coil L202 is connected to the positive electrode of the diode D1 and the negative electrode of the diode D2, and the different-named end of the other side of the inductor coil L202 is connected to the negative electrode of the diode D3 and the positive electrode of the diode D4. The negative electrode of the diode D1 is connected to the negative electrode of the diode D4, the positive electrode of the polar capacitor C204, one end of the resistor R202, one end of the capacitor C205, one end of the capacitor Y200, and the different-named end 5 of the first winding of the three-winding transformer T200. The positive electrode of the diode D2 is connected to the positive electrode of the diode D3, the negative electrode of the polar capacitor C204, one end of the resistor R206, one end of the resistor R207, pin 2 of the power supply chip U200, one end of the capacitor C207, one end of the resistor R208, the negative electrode of the polar capacitor C206, the different-named end 2 of the second winding of the three-winding transformer T200, and the ground PGND.

[0048] The other end of the resistor R202 is connected to the other end of the capacitor C205 and one end of the resistor R203 respectively. The other end of the resistor R203 is connected to the negative electrode of the diode D202. The positive electrode of the diode D202 is connected to pin 5-8 of the power supply chip U200 and the same end 4 of the first winding of the three-winding transformer T200 respectively.

[0049] Pin 1 of the power supply chip U200 is connected to one end of the resistor R204 and the positive electrode of the polarized capacitor C206 respectively. The other end of the resistor R204 is connected to the negative electrode of the diode D201. Pin 3 of the power supply chip U200 is connected to the other end of the resistor R208, the other end of the capacitor C207 and one end of the resistor R205 respectively. The other end of the resistor R205 is connected to the positive electrode of the diode D201 and the same end 1 of the second winding of the three-winding transformer T200 respectively. Pin 4 of the power supply chip U200 is connected to the other end of the resistor R206 and the other end of the resistor R207 respectively.

[0050] The different end 6 of the third winding of the three-winding transformer T200 is connected to the other end of the capacitor Y200, the negative electrode of the polarized capacitor C201, the negative electrode of the polarized capacitor C203, one end of the capacitor C202, one end of the resistor R201 and the ground GND respectively.

[0051] The same end 7 of the third winding of the three-winding transformer T200 is connected to one end of the resistor R200 and pins 1 and 3 of the Schottky diode D200 respectively. The other end of the resistor R200 is connected to one end of the capacitor C200. The other end of the capacitor C200 is connected to pin 2 of the Schottky diode D200, the positive electrode of the polarized capacitor C201 and one end of the inductor L201 respectively. The other end of the inductor L201 is connected to the positive electrode of the polarized capacitor C203, the other end of the capacitor C202 and the other end of the resistor R201 respectively. The other end of the resistor R201 outputs 5V direct current.

[0052] The positive electrode of the diode D204 is connected to 5V direct current, the negative electrode of the diode D204 is connected to one end of the resistor R209, and the other end of the resistor R209 is connected to the ground GND.

[0053] In this embodiment, the rated voltage and rated current of fuse F200 are 250V and 2A, respectively; the variable resistor RT200 is model 5D-9; the varistor MOV200 is model 561KGD10; the resistance of resistor R200 is 47Ω; the resistance of resistor R201 is 1KΩ; the resistance of resistor R202 is 200KΩ; the resistance of resistor R203 is 75Ω; the resistance of resistor R204 is 4.7Ω; the resistance of resistor R205 is 22KΩ; and the resistance of resistor R206 is... The resistance values ​​are as follows: R207: 2Ω; R208: 3.9KΩ; R209: 1KΩ; R210: 1MΩ; R211: 1MΩ; C200: 100V operating voltage, 1nF capacitance; C201: 16V operating voltage, 680uF capacitance; C202: 100nF capacitance; C203: 16V operating voltage, capacitance... The capacitance is 680uF; the polarized capacitor C204 has a working voltage of 400V and a capacitance of 22uF; capacitor C205 has a working voltage of 1kV and a capacitance of 1nF; polarized capacitor C206 has a working voltage of 50V and a capacitance of 10uF; capacitor C207 has a working voltage of 50V and a capacitance of 47pF; capacitor X200 has a working voltage of 275V and a capacitance of 220nF; capacitor Y200 has a working voltage of 250AVC and a capacitance of 2.2nF; inductor L201... The inductance is 4.7uH; the inductance of inductor coil L202 is 25mH; diodes D1, D2, D3, and D4 form a ring diode of model MB10F; the Schottky diode D200 is model SB1045L; diode D201 is model FFM107; diode D202 is model FFM107; diode D204 is a green LED; the three-winding transformer T200 is model EE19; the power chip U200 is model PN602H.

[0054] Figure 4 This is a circuit diagram of the lithium battery switching circuit in an embodiment of this utility model.

[0055] like Figure 4 As shown, the lithium battery switching circuit 1102 is used to charge and discharge the lithium battery using a first power source and generate a DC current of 3.4V-4.2V to form a second power source VDD. It includes resistors R400, R401, R402, R403, and R404, diodes D400, D401, and D402, capacitor C400, polarized capacitor C401, capacitor C402, charging chip U400, interface P403, field-effect transistor Q400, field-effect transistor Q401, and transistor Q402.

[0056] The charging chip U400 has pins 1-5. The interface P403 has pins 1-2, and the lithium battery is connected to the lithium battery switching circuit 1102 through the interface P403.

[0057] One end of the capacitor C402 is connected to 5V DC and pin 4 of the charging chip U400. The other end of the capacitor C402 is connected to one end of the resistor R400 and the ground GND, respectively.

[0058] Pin 2 of the charging chip U400 is connected to the ground GND. Pin 3 of the charging chip U400 is connected to one end of the capacitor C400, pin 1 of the interface P403, one end of the resistor R401, and the source of the field effect transistor Q400, respectively. Pin 5 of the charging chip U400 is connected to the other end of the resistor R400. The other end of the capacitor C400 and pin 2 of the interface P403 are connected to the ground GND, respectively.

[0059] The other end of the resistor R401 is connected to the gate of the field effect transistor Q400 and the collector of the transistor Q402, respectively. The emitter of the transistor Q402 is connected to one end of the resistor R403 and the ground GND, respectively. The other end of the resistor R403 is connected to the base of the transistor Q402 and one end of the resistor R402, respectively. The other end of the resistor R402 is connected to the main control MCU 1105.

[0060] The drain of the field effect transistor Q400 is connected to the drain of the field effect transistor Q401 and the positive electrode of the diode D400, respectively. The source of the field effect transistor Q401 is connected to VDD and the negative electrode of the diode D400, the negative electrode of the diode D401, the negative electrode of the diode D402, and the positive electrode of the polarity capacitor C401, respectively. 5V DC is connected to the gate of the field effect transistor Q401, the positive electrode of the diode D401, the positive electrode of the diode D402, and one end of the resistor R404, respectively. The other end of the resistor R404 and the negative electrode of the polarity capacitor C401 are connected to the ground GND, respectively.

[0061] The resistance value of the resistor R400 is 10KΩ; the resistance value of the resistor R401 is 100KΩ; the resistance value of the resistor R402 is 10KΩ; the resistance value of the resistor R403 is 100KΩ; the resistance value of the resistor R404 is 100KΩ; the model of the diode D400 is PMEG3010ER; the model of the diode D401 is G1M; the model of the diode D402 is G1M; the capacitance of the capacitor C400 is 10uF; the working voltage of the polar capacitor C401 is 16V, and the capacitance is 1000uF; the capacitance of the capacitor C402 is 1uF; the model of the charging chip U400 is 4054; the model of the interface P403 is XH2.54-2P; the model of the field effect transistor Q400 is AO3401; the model of the field effect transistor Q401 is AO3401; and the model of the triode Q402 is S9013.

[0062] Figure 5 It is the circuit structure diagram of the third power supply circuit in the embodiment of the utility model; Figure 6 It is the circuit structure diagram of the voltage stabilizing circuit in the embodiment.

[0063] As shown in Figure 5 and Figure 6 The third power supply circuit 1103 is used for generating 3.3V direct current by adopting the second power supply, thereby forming the third power supply, and includes the resistor R405, the resistor R406, the capacitor C406, the capacitor C407, the capacitor C408, the capacitor C409, the polar capacitor C410, the capacitor C411, the inductor L400 and the battery interface XH2.54 terminal U403. The battery interface XH2.54 terminal U403 has pins 1-5.

[0064] One end of the capacitor C406 is connected with the second power supply VDD, one end of the capacitor C408 and pins 1 and 4 of the battery interface XH2.54 terminal U403 respectively. The other end of the capacitor C406 is connected with the other end of the capacitor C408, pin 2 of the battery interface XH2.54 terminal U403 and the ground GND respectively.

[0065] Pin 3 of the battery interface XH2.54 terminal U403 is connected with one end of the inductor L400. The other end of the inductor L400 is connected with one end of the resistor R405, one end of the capacitor C407, one end of the capacitor C409, the positive electrode of the polar capacitor C410 and one end of the capacitor C411 respectively, and outputs the third power supply of 3.3V. Pin 5 of the battery interface XH2.54 terminal U403 is connected with the other end of the resistor R405, the other end of the capacitor C407 and one end of the resistor R406 respectively. The other end of the resistor R406 is connected with the other end of the capacitor C409, the negative electrode of the polar capacitor C410, the other end of the capacitor C411 and the ground GND respectively.

[0066] The resistance value of the resistor R405 is 82KΩ; the resistance value of the resistor R406 is 18KΩ; the capacitance of the capacitor C406 is 100nF; the capacitance of the capacitor C407 is 22pF; the capacitance of the capacitor C408 is 22uF; the capacitance of the capacitor C409 is 22uF; the working voltage of the polar capacitor C410 is 16V, and the capacitance is 220uF; the capacitance of the capacitor C411 is 100nF; and the inductance of the inductor L400 is 2.2uH.

[0067] The voltage stabilizing circuit 1104 generates 2.4V direct current from the second power supply, thereby forming a fourth power supply, which comprises the capacitor C403, the capacitor C404 and the voltage stabilizing chip U401. The voltage stabilizing chip U401 has pins 1-5.

[0068] One end of the capacitor C403 is connected with the second power supply VDD and the pins 1 and 3 of the voltage stabilizing chip U401 respectively. The other end of the capacitor C403 is connected with the pin 2 of the voltage stabilizing chip U401, one end of the capacitor C404 and the ground GND respectively. The pin 5 of the voltage stabilizing chip U401 is connected with the other end of the capacitor C404, and outputs the fourth power supply of 2.4V.

[0069] In the embodiment, the capacitance of the capacitor C403 is 1uF; the capacitance of the capacitor C404 is 1uF; and the model of the voltage stabilizing chip U401 is VRH2401NTX.

[0070] Figure 7 It is the circuit structure diagram of the main control MCU in the embodiment of the utility model.

[0071] As shown in Figure 7 The main control MCU 1105 comprises the main control chip U303, the antenna element ANT300 and the capacitor C304. The main control chip U303 has pins 1-52.

[0072] The pin 2 of the main control chip is connected with the third power supply of 3.3V and one end of the capacitor C304 respectively. The pin 24 of the main control chip is connected with the other end of the resistor R402. The pins 1, 26, 40, 50 and 52 of the main control chip and the other end of the capacitor C304 are connected with the ground GND respectively. The SIN end of the antenna element ANT300 is connected with the pin 51 of the main control chip, and the two GND ends of the antenna element ANT300 are connected with the ground GND respectively.

[0073] In the embodiment, the model of the main control chip U303 is WB-52-Module; the model of the antenna element ANT300 is ANT-WIFI; and the capacitance of the capacitor C304 is 100nF.

[0074] Figure 8 is a circuit structure diagram of the 485 communication circuit in the embodiment of the utility model.

[0075] As Figure 7 shown, the 485 communication circuit 1106 includes resistance R409, resistance R411, resistance R412, resistance R414, resistance R415, resistance R416, resistance R417, resistance R418, capacitor C412, capacitor C413, capacitor C414, diode D403, diode D404, triode Q404, 485 communication chip U404 and interface P407.

[0076] The 485 communication chip U404 has pins 1-8. The interface P407 is connected with the nuclear radiation detection probe 13 and has pins 1-4.

[0077] One end of the resistance R416 is connected with the pin 22 of the master control chip U303, and the other end of the resistance R416 is connected with the base of the triode Q404. The collector of the triode Q404 is connected with one end of the resistance R411 and pins 2 and 3 of the 485 communication chip U404 respectively. The emitter of the triode Q404 is connected with the ground GND. The other end of the resistance R411 is connected with the third power supply of 3.3V. One end of the resistance R409 is connected with the third power supply of 3.3V, and the other end of the resistance R409 is connected with the pin 1 of the 485 communication chip U404 and the pin 23 of the master control chip U303 respectively.

[0078] The pin 4 of the 485 communication chip U404 is connected with the pin 22 of the master control chip U303. The pin 5 of the 485 communication chip U404 is connected with the ground GND. The pin 6 of the 485 communication chip U404 is connected with one end of the resistance R414. The other end of the resistance R414 is connected with one end of the capacitor C413, the negative electrode of the diode D403, one end of the resistance R412, one end of the resistance R415 and the pin 3 of the interface P407 respectively. The other end of the capacitor C413 and the positive electrode of the diode D403 are connected with the ground GND respectively. The other end of the resistance R412 is connected with the third power supply of 3.3V. The pin 7 of the 485 communication chip U404 is connected with one end of the resistance R417. The other end of the resistance R417 is connected with one end of the capacitor C414, one end of the resistance R418, the other end of the resistance R415, the negative electrode of the diode D404 and the pin 2 of the interface P407 respectively. The other end of the capacitor C414, the other end of the resistance R418 and the positive electrode of the diode D404 are connected with the ground GND respectively. The pin 8 of the 485 communication chip U404 is connected with one end of the capacitor C412 and the third power supply of 3.3V respectively. The other end of the capacitor C412 is connected with the ground GND. The pin 1 of the interface P407 is connected with the ground GND. The pin 4 of the interface P407 is connected with the first power supply of 5V.

[0079] In the embodiment, the resistor R409 is not installed; the resistor R411 has a resistance value of 10KΩ; the resistor R412 has a resistance value of 1KΩ; the resistor R414 has a resistance value of 22Ω; the resistor R415 has a resistance value of 120Ω; the resistor R416 has a resistance value of 1KΩ; the resistor R417 has a resistance value of 22Ω; the resistor R418 has a resistance value of 1KΩ; the capacitor C412 has a capacitance of 100nF; the capacitor C413 has a capacitance of 470pF; the capacitor C414 has a capacitance of 470pF; the diode D403 has a model of SMAJ12CA; the diode D404 has a model of SMAJ12CA; the triode Q404 has a model of S9013; the 485 communication chip U404 has a model of SP3485E; and the interface P407 has a model of XH2.54-4P.

[0080] Figure 9 is a circuit structure diagram of a temperature detection circuit in the embodiment of the utility model.

[0081] As shown in Figure 9 , the temperature detection circuit 1107 comprises resistors R308, R309, R310, R311, R312, R313, R314, R318, R319, R320, R321, R322, capacitors C305, C306, C307, interfaces P410, P411, a connection chip P400 and a connection chip P402. In the embodiment, the connection chip P400 has a model of Header11X2A and has pins 1-22; the connection chip P402 has a model of Header4X2A and has pins 1-8. The interface P410 and the interface P411 both have pins 1-2.

[0082] The pin 1 of the connecting chip P400 is connected with the third power supply of 3.3V. The pin 4 of the connecting chip P400 is connected with the pin 25 of the main control chip U303. The pin 5 of the connecting chip P400 is connected with the pin 24 of the main control chip U303. The pin 6 of the connecting chip P400 is connected with the pin 23 of the main control chip U303. The pin 7 of the connecting chip P400 is connected with the pin 22 of the main control chip U303. The pin 12 of the connecting chip P400 is connected with the second power supply VDD. The pin 16 of the connecting chip P400 is connected with the pin 18 of the main control chip U303. The pin 17 of the connecting chip P400 is connected with the pin 17 of the main control chip U303. The pin 18 of the connecting chip P400 is connected with the pin 8 of the main control chip U303. The pin 19 of the connecting chip P400 is connected with the pin 7 of the main control chip U303. The pin 20 of the connecting chip P400 is connected with the pin 6 of the main control chip U303. The pin 21 of the connecting chip P400 is connected with the pin 5 of the main control chip U303. The pin 22 of the connecting chip P400 is connected with the pin 21 of the main control chip U303. The pins 2, 10, 11 and 13 of the connecting chip P400 are connected with the ground GND respectively.

[0083] One end of the resistor R310 is connected with the pin 19 of the connecting chip P400, and the other end of the resistor R310 is connected with one end of the resistor R308, one end of the capacitor C305, one end of the resistor R313 and one end of the resistor R312 respectively. The other end of the resistor R308 is connected with the fourth power supply of 2.4V. The other end of the capacitor C305, the other end of the resistor R313 and the other end of the resistor R312 are connected with the ground GND respectively.

[0084] One end of the resistor R311 is connected with the pin 20 of the connecting chip P400, and the other end of the resistor R311 is connected with one end of the resistor R309, one end of the capacitor C306, one end of the resistor R314 and the pin 1 of the interface P410 respectively. The other end of the resistor R309 is connected with the fourth power supply of 2.4V. The other end of the capacitor C306 and the other end of the resistor R314 are connected with the ground GND respectively.

[0085] One end of the resistor R320 is connected with the pin 21 of the connecting chip P400, and the other end of the resistor R320 is connected with one end of the resistor R318, one end of the capacitor C307, one end of the resistor R322 and the pin 1 of the interface P411 respectively. The other end of the resistor R318 is connected with the fourth power supply of 2.4V. The other end of the capacitor C307 and the other end of the resistor R322 are connected with the ground GND respectively.

[0086] One end of the resistor R319 is connected with the VBAT, and the other end of the resistor R319 is connected with one end of the resistor R321 and the pin 18 of the connecting chip P400 respectively. The pin 2 of the interface P410 and the pin 2 of the interface P411 are connected with the ground GND respectively. The interface P410 and the interface P411 are electrically connected with the temperature detection probe 12.

[0087] In the embodiment, the resistance value of the resistor R308 is 4.7KΩ; the resistance value of the resistor R309 is 4.7KΩ; the resistance value of the resistor R310 is 6.8KΩ; the resistance value of the resistor R311 is 6.8KΩ; the resistance value of the resistor R312 is 10KΩ; the resistance value of the resistor R313 is 150KΩ; the resistance value of the resistor R314 is 150KΩ; the resistance value of the resistor R318 is 4.7KΩ; the resistance value of the resistor R319 is 10KΩ; the resistance value of the resistor R320 is 6.8KΩ; the resistance value of the resistor R321 is 10KΩ; the resistance value of the resistor R322 is 150KΩ; the capacitance of the capacitor C305 is 100nF; the capacitance of the capacitor C306 is 100nF; the capacitance of the capacitor C307 is 100nF; the model numbers of the interface P410 and the interface P411 are XH2.54-2P.

[0088] Figure 10 It is the circuit structure diagram of the relay control circuit in the embodiment of the utility model.

[0089] As shown in Figure 10 The relay control circuit 1108 includes a relay K400, a relay K401, a relay K402, a resistor R407, a resistor R408, a resistor R410, a resistor R413, a diode D405, a diode D406, a triode Q403, a triode Q405 and a connector P405. The relay K400, the relay K401 and the relay K402 have pins 1-4 respectively, and the connector P405 has pins 1-5.

[0090] The pin 1 of the relay K400 is connected with the pin 3 of the relay K402.

[0091] The pin 2 of the relay K400 is connected with the compressor 15, i.e. COMP, and the pin 3 of the relay K400 is connected with the first power supply of 5V and the negative electrode of the diode D405 respectively. The pin 4 of the relay K400 is connected with the positive electrode of the diode D405, the collector of the triode Q403 and the pin 4 of the relay K402 respectively. The base of the triode Q403 is connected with one end of the resistor R407 and one end of the resistor R410 respectively. The other end of the resistor R407 is connected with the pin 18 of the main control chip U303. The emitter of the triode Q403 and the other end of the resistor R410 are connected with the ground GND respectively.

[0092] Pin 1 of relay K401 is connected to fan 14 (FAN). Pin 2 of relay K401 is connected to pin 3 of connector P405. Pin 3 of relay K401 is connected to the anode of diode D406 and the collector of transistor Q405. Pin 4 of relay K401 is connected to the cathode of diode D406 and the 5V first power supply. The base of transistor Q405 is connected to one end of resistor R408 and one end of resistor R413. The other end of resistor R408 is connected to pin 17 of main control chip U303. The emitter of transistor Q405 and the other end of resistor R413 are connected to ground (GND).

[0093] Pin 1 of relay K402 is connected to compressor 15. Pin 2 of relay K402 is connected to pin 3 of connector P405. Pin 3 of relay K402 is connected to the 5V primary power supply. Pin 1 of connector P405 is connected to compressor 15. Pin 2 of connector P405 is connected to fan 14.

[0094] In this embodiment, relay K400 is a 30A relay, model HF105F-1 / 005D-1HST; relay K401 is a 10A relay, model SRD-5VDX-SL-C; relay K402 is a 16A relay, model HF115F-005-1HS3; resistor R407 has a resistance of 510Ω; resistor R408 has a resistance of 510Ω; resistor R410 has a resistance of 47KΩ; resistor R413 has a resistance of 47KΩ; diodes D405 and D406 are both model 1N4148; transistors Q403 and Q405 are both model SI2302; connector P405 is model B3P5-VH.

[0095] Figure 11 This is a circuit diagram of the mains power detection circuit in an embodiment of this utility model; Figure 12 This is a circuit diagram of the buzzer circuit in this embodiment.

[0096] like Figure 11 and Figure 12 As shown, the mains power detection circuit 1109 includes resistors R315, R316, R317, and transistor Q300.

[0097] One end of resistor R315 is connected to the 3.3V third power supply. The other end of resistor R315 is connected to pin 25 of the main control chip U303 and the collector of transistor Q300. The base of transistor Q300 is connected to one end of resistor R316 and one end of resistor R317. The other end of resistor R316 is connected to the 5V first power supply. The other end of resistor R317 and the emitter of transistor Q300 are connected to ground (GND).

[0098] The resistance value of the resistor R315 is 10KΩ; the resistance value of the resistor R316 is 10KΩ; the resistance value of the resistor R317 is 100KΩ; and the model of the triode Q300 is S9013.

[0099] The buzzer circuit 1110 comprises a buzzer LS300, a resistor R323, a resistor R324 and a triode Q301. The buzzer LS300 has pins 1-4.

[0100] The pin 1 of the buzzer LS300 is connected with the third power supply of 3.3V. The pin 2 of the buzzer LS300 is connected with one end of the resistor R323. The other end of the resistor R323 is connected with the collector of the triode Q301. The base of the triode Q301 is connected with the pin 33 of the master control chip U303 and one end of the resistor R324 respectively. The emitter of the triode Q301, the other end of the resistor R324 and the pins 3 and 4 of the buzzer LS300 are connected with the ground GND respectively.

[0101] The model of the buzzer LS300 is SMD-7525-3627-16Ω; the resistance value of the resistor R323 is 10Ω; the resistance value of the resistor R324 is 10KΩ; and the model of the triode Q301 is S9013 in the embodiment.

[0102] Figure 13 is the block diagram of the 4G communication unit in the embodiment of the application.

[0103] As shown in Figure 13 , the 4G communication unit 1111 comprises a 4G power supply control circuit 11121, a filter circuit 11122, a 4G control circuit 11123, a SIM card peripheral circuit 11124, a level conversion circuit 11125 and a network indication lamp circuit 11126.

[0104] Figure 14 is the circuit structure diagram of the power supply control circuit in the embodiment of the application. Figure 15 is the circuit structure diagram of the filter circuit in the embodiment.

[0105] As shown in Figure 14 and Figure 15 , the power supply control circuit 11121 comprises a resistor R100, a resistor R101, a resistor R102, a field effect tube Q100 and a triode Q101.

[0106] One end of the resistor R101 is connected with the pin 31 of the main control chip U303, and the other end of the resistor R101 is connected with one end of the resistor R102 and the base of the triode Q101 respectively. The other end of the resistor R102 is connected with the emitter of the triode Q101 and the ground GND respectively. The collector of the triode Q101 is connected with one end of the resistor R100 and the gate of the field effect transistor Q100 respectively. The other end of the resistor R100 is connected with the second power supply VDD and the source of the field effect transistor Q100 respectively. The drain of the field effect transistor Q100 outputs 3.8V direct current, that is, the fifth power supply.

[0107] In the embodiment, the resistance value of the resistor R100 is 100KΩ; the resistance value of the resistor R101 is 10KΩ; the resistance value of the resistor R102 is 100KΩ; the model of the field effect transistor Q100 is AO3401; and the model of the triode Q101 is S9013.

[0108] The filter circuit 11122 comprises a stabilizing diode D100, a polarity capacitor C100, a capacitor C101, a capacitor C102, a capacitor C103 and a polarity capacitor C104.

[0109] The negative pole of the stabilizing diode D100 is connected with the fifth power supply of 3.8V, and is connected with the positive pole of the polarity capacitor C100, one end of the capacitor C101, one end of the capacitor C102, one end of the capacitor C103 and the positive pole of the polarity capacitor C104 respectively. The positive pole of the stabilizing diode D100 is connected with the negative pole of the polarity capacitor C100, the other end of the capacitor C101, the other end of the capacitor C102, the other end of the capacitor C103, the negative pole of the polarity capacitor C104 and the ground GND respectively.

[0110] In the embodiment, the model of the stabilizing diode D100 is WS4.5D3HV; the working voltage of the polarity capacitor C100 is 10V, and the capacitance is 1000uF; the capacitance of the capacitor C101 is 100nF; the capacitance of the capacitor C102 is 33pF; the capacitance of the capacitor C103 is 10pF; and the capacitance of the polarity capacitor C104 is 22uF.

[0111] Figure 16 It is the circuit structure diagram of the 4G control circuit in the embodiment of the utility model.

[0112] As shown in Figure 16 The 4G control circuit 11123 comprises a 4G control chip U100A, an antenna element ANT100, a resistor R104 and a resistor R105. In the embodiment, the model of the 4G control chip U100A is EC800E-CN, and has pins 1-44 and 95-98; the resistance value of the resistor R104 is 0Ω; the resistance value of the resistor R105 is 4.7KΩ; and the model of the antenna element ANT100 is ANT0.

[0113] Pin 7 of 4G control chip U100A is connected with one end of resistor R105, and the other end of resistor R105 is grounded. Pin 14 of 4G control chip U100A outputs power supply USIM_VDD. Pin 24 of 4G control chip U100A outputs power supply V_GLOBAL_1V8. Pin 35 of 4G control chip U100A is connected with one end of resistor R104, and the other end of resistor R104 is connected with antenna element ANT100. Pin 42 and pin 43 of 4G control chip U100A are connected, and are connected with the fifth power supply of 3.8V. Pins 2-6, 8-9, 15, 19-23, 25-26, 28-33, 38-39, 44 and 96-98 of 4G control chip U100A are not connected. Pins 1, 10, 27, 34, 36, 37, 40, 41 and 95 of 4G control chip U100A are connected with ground GND respectively.

[0114] Figure 17 It is the circuit structure diagram of the SIM card peripheral circuit in the embodiment of the utility model.

[0115] As Figure 17 shown, the SIM card peripheral circuit 11124 includes SIM card S100, capacitor C105, capacitor C106, capacitor C107, capacitor C108, protection chip U101 and resistor R106. The SIM card S100 has pins C1-C6. The protection chip U101 has pins 1 and 3-6.

[0116] Pin C1 of SIM card S100 is connected with pin 4 of protection chip U101, one end of capacitor C105 and pin 14 of 4G control chip U100A respectively. The other end of capacitor C105 is grounded. Pin C2 of SIM card S100 is connected with pin 5 of protection chip U101, one end of capacitor C107 and pin 12 of 4G control chip U100A respectively. Pin C3 of SIM card S100 is connected with pin 6 of protection chip U101, one end of capacitor C106 and pin 13 of 4G control chip U100A respectively. Pin C7 of SIM card S100 is connected with pin 1 of protection chip U101, one end of capacitor C108, one end of resistor R106 and pin 11 of 4G control chip U100A respectively. The other end of resistor R106 is connected with USIM_VDD. The other end of capacitor C106 is connected with the other end of capacitor C107, the other end of capacitor C108 and ground GND respectively. Pin 3 of protection chip U101 and pins C4, C6 and C8 of SIM card S100 are not connected. Pin C5 of SIM card S100 is grounded.

[0117] Figure 18 It is the circuit structure diagram of the level conversion circuit in the embodiment of the utility model.Figure 19 is a circuit structure diagram of the network indicator light circuit in the embodiment.

[0118] As shown in Figure 18 and Figure 19 , the level conversion circuit 11125 includes resistors R107, R108, R112, R113, a transistor Q103, and a transistor Q104.

[0119] The emitter of the transistor Q103 is connected to pin 28 of the master chip U303. The base of the transistor Q103 is connected to one end of the resistor R107. The collector of the transistor Q103 is connected to one end of the resistor R108 and pin 17 of the 4G control chip U100A, respectively. The other end of the resistor R107 is connected to V_GLOBAL_1V8 and the other end of the resistor R108.

[0120] The emitter of the transistor Q104 is connected to pin 18 of the 4G control chip U100A. The base of the transistor Q103 is connected to one end of the resistor R112. The collector of the transistor Q103 is connected to one end of the resistor R113 and pin 29 of the master chip U303, respectively. The other end of the resistor R112 is connected to V_GLOBAL_1V8. The other end of the resistor R113 is connected to the third power supply of 3.3V.

[0121] In the embodiment, the resistance value of the resistor R107 is 4.7KΩ; the resistance value of the resistor R108 is 10KΩ; the resistance value of the resistor R112 is 4.7KΩ; the resistance value of the resistor R113 is 10KΩ; and the model of the transistor Q103 and the transistor Q104 is S9013.

[0122] The network indicator light circuit 11126 includes a diode D101, a resistor R103, and a transistor Q102.

[0123] The anode of the diode D101 is connected to the fifth power supply of 3.8V, and the cathode of the diode D101 is connected to one end of the resistor R103. The collector of the transistor Q102 is connected to the other end of the resistor R103, the base of the transistor Q102 is connected to pin 16 of the 4G control chip U100A, and the emitter of the transistor Q102 is grounded.

[0124] In the embodiment, the diode D101 is a green LED; the resistance value of the resistor R103 is 1KΩ; and the model of the transistor Q102 is AO3402.

[0125] Effects of the embodiment

[0126] According to the temperature controller with the nuclear radiation detection function, AC-DC conversion, lithium battery charging and discharging and the third power supply for components are realized through the AC-DC power conversion circuit, the lithium battery switching circuit and the third power supply circuit; the main control MCU and the nuclear radiation detection probe are connected through the 485 communication circuit, efficient data transmission is realized, and the 4G communication unit connected with the main control MCU is arranged, so that the nuclear radiation amount is detected through the nuclear radiation detection probe, and the 4G communication unit can realize the signal transmission function and send the nuclear radiation amount to other equipment.

[0127] Further, the fourth power supply with stable voltage is generated by the voltage stabilizing circuit using the second power supply, and the sensitive components in the temperature detection circuit are powered.

[0128] Further, whether the third power supply circuit normally outputs the third power supply is detected through the mains detection circuit.

[0129] Further, the fan and the compressor are connected with the main control MCU through the relay control circuit, so that the working state of the fan and the compressor is adjusted by the main control MCU.

[0130] The skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A temperature controller with nuclear radiation detection function, characterized in that, The temperature detection probe, the nuclear radiation detection probe and the main control module are included. The main control module is electrically connected with the temperature detection probe and the nuclear radiation detection probe respectively. The main control module includes a 485 communication circuit, a 4G communication unit, a main control MCU, an AC-DC power conversion circuit, a lithium battery switching circuit and a third power circuit. The 485 communication circuit is connected with the nuclear radiation detection probe and the main control MCU respectively. The 4G communication unit is connected with the main control MCU. The AC-DC power conversion circuit, the lithium battery switching circuit, the third power circuit and the main control MCU are connected in sequence. The AC-DC power conversion circuit is used to convert the input alternating current into direct current with a fixed voltage, thereby forming a first power supply. The lithium battery switching circuit is used to charge and discharge the lithium battery by using the first power supply, and generate direct current with a fixed voltage, thereby forming a second power supply. The third power circuit is used to generate direct current with a fixed voltage by using the second power supply, thereby forming a third power supply.

2. The temperature controller with nuclear radiation detection function according to claim 1, wherein the main control module further includes a temperature detection circuit and a voltage stabilizing circuit. The voltage stabilizing circuit is connected with the lithium battery switching circuit, and is used to generate direct current with a fixed voltage by using the second power supply, thereby forming a fourth power supply. wherein The temperature detection circuit is connected with the lithium battery switching circuit, the third power circuit, the voltage stabilizing circuit, the temperature detection probe and the main control MCU respectively.

3. The temperature controller with nuclear radiation detection function according to claim 1, wherein the 485 communication circuit includes a resistor R416, a transistor Q404, a resistor R411, a 485 communication chip U404, a resistor R409, a resistor R414, a capacitor C413, a diode D403, a resistor R412, a resistor R415, a resistor R417, a capacitor C414, a resistor R418, a diode D404, a capacitor C412 and an interface P407. The 485 communication chip U404 has pins 1-8. The interface P407 is connected with the nuclear radiation detection probe, and has pins 1-4. wherein One end of the resistor R416 is connected with the main control MCU, and the other end of the resistor R416 is connected with the base of the transistor Q404. The collector of the transistor Q404 is connected with one end of the resistor R411 and pins 2 and 3 of the 485 communication chip U404 respectively. The other end of the resistor R411 is connected with the third power circuit. One end of the resistor R409 is connected with the third power circuit, and the other end of the resistor R409 is connected with the main control MCU and pin 1 of the 485 communication chip U404 respectively. ​ ​ ​ Pin 4 of the 485 communication chip U404 is connected with the main control MCU, pin 6 is connected with one end of the resistor R414, pin 7 is connected with one end of the resistor R417, pin 8 is connected with one end of the capacitor C412 and the third power supply circuit respectively, the other end of the resistor R414 is connected with one end of the capacitor C413, the negative electrode of the diode D403, one end of the resistor R412, one end of the resistor R415 and pin 3 of the interface P407 respectively, the other end of the resistor R412 is connected with the third power supply circuit, the other end of the resistor R417 is connected with one end of the capacitor C414, one end of the resistor R418, the other end of the resistor R415, the negative electrode of the diode D404 and pin 2 of the interface P407 respectively, pin 4 of the interface P407 is connected with the AC-DC power conversion circuit.

4. The temperature controller with nuclear radiation detection function according to claim 1, characterized in that: wherein the 4G communication unit comprises a 4G power supply control circuit, a 4G control circuit, a SIM card peripheral circuit and a level conversion circuit, the 4G power supply control circuit is connected with the lithium battery switching circuit and the main control MCU respectively, and is used for generating direct current with a fixed voltage size by using the second power supply, thereby forming a fifth power supply, the 4G control circuit is connected with the 4G power supply control circuit, the SIM card peripheral circuit and the level conversion circuit respectively, the level conversion circuit is connected with the main control MCU, the SIM card peripheral circuit comprises a SIM card.

5. The temperature controller with nuclear radiation detection function according to claim 4, characterized in that: wherein the 4G communication unit further comprises a network indicator lamp circuit, the network indicator lamp circuit is connected with the 4G control circuit and the 4G power supply control circuit respectively, the network indicator lamp circuit comprises a light emitting diode D101, a resistor R103 and a triode Q102, the positive electrode of the light emitting diode D101 is connected with the 4G power supply control circuit, and the negative electrode of the light emitting diode D101 is connected with one end of the resistor R103, the other end of the resistor R103 is connected with the collector of the triode Q102, the base of the triode Q102 is connected with the 4G control circuit, and the emitter of the triode Q102 is grounded.

6. The temperature controller with nuclear radiation detection function according to claim 4, characterized in that: wherein the 4G communication unit further comprises a filter circuit, the filter circuit comprises a voltage stabilizing diode D100, a polarity capacitor C100, a polarity capacitor C104, a capacitor C101, a capacitor C102 and a capacitor C103, the negative electrode of the voltage stabilizing diode D100, the positive electrode of the polarity capacitor C100, the positive electrode of the polarity capacitor C104, one end of the capacitor C101, one end of the capacitor C102 and one end of the capacitor C103 are all connected with the output end of the 4G power supply control circuit, The positive electrode of the voltage stabilizing diode D100, the negative electrode of the polarity capacitor C100, the negative electrode of the polarity capacitor C104, the other end of the capacitor C101, the other end of the capacitor C102 and the other end of the capacitor C103 are all grounded.

7. The temperature controller with nuclear radiation detection function according to claim 1, characterized in that: wherein The main control module further comprises a mains detection circuit, The mains detection circuit comprises a resistor R315, a transistor Q300, a resistor R316 and a resistor R317, One end of the resistor R315 is connected with the third power supply circuit, and the other end of the resistor R315 is connected with the main control MCU and the collector of the transistor Q300 respectively, The base of the transistor Q300 is connected with one end of the resistor R316 and one end of the resistor R317 respectively, The other end of the resistor R316 is connected with the AC-DC power supply conversion circuit, The other end of the resistor R317 and the emitter of the transistor Q300 are grounded respectively.

8. The temperature controller with nuclear radiation detection function according to claim 1, characterized in that: wherein, The main control module further comprises a buzzer circuit, The buzzer circuit comprises a buzzer LS300, a resistor R323, a transistor Q301 and a resistor R324, The buzzer LS300 has pins 1-4, The pin 1 of the buzzer LS300 is connected with the third power supply circuit, The pin 2 of the buzzer LS300 is connected with one end of the resistor R323, The other end of the resistor R323 is connected with the collector of the transistor Q301, The base of the transistor Q301 is connected with the main control MCU and one end of the resistor R324 respectively, The emitter of the transistor Q301, the other end of the resistor R324 and the pins 3 and 4 of the buzzer LS300 are grounded respectively.

9. The temperature controller with a nuclear radiation detection function according to claim 1, characterized by, Further comprising: A fan and a compressor, The main control module further comprises a relay control circuit, The relay control circuit comprises a relay K400, a relay K401, a relay K402, a diode D405, a transistor Q403, a resistor R407, a resistor R410, a diode D406, a transistor Q405, a resistor R408, a resistor R413, and a connector P405, The relay K400, the relay K401 and the relay K402 have pins 1-4 respectively, The connector P405 has pins 1-5, The pin 1 of the relay K400 is connected with the pin 3 of the relay K402, the pin 2 is connected with the compressor, the pin 3 is connected with the AC-DC power supply conversion circuit and the negative electrode of the diode D405 respectively, and the pin 4 is connected with the positive electrode of the diode D405, the collector of the transistor Q403 and the pin 4 of the relay K402 respectively, The base of the transistor Q403 is connected with one end of the resistor R407 and one end of the resistor R410 respectively, The other end of the resistor R407 is connected with the main control MCU, The other end of the resistor R408 and the emitter of the transistor Q405 are grounded respectively. The pin 1 of the relay K401 is connected with the fan, the pin 2 is connected with the pin 3 of the connector P405, the pin 3 is connected with the anode of the diode D406 and the collector of the triode Q405 respectively, the pin 4 is connected with the cathode of the diode D406 and the AC-DC power conversion circuit respectively, The base of the triode Q405 is connected with one end of the resistor R408 and one end of the resistor R413 respectively, The other end of the resistor R408 is connected with the main control MCU, The pin 1 of the relay K402 is connected with the compressor, the pin 2 is connected with the pin 3 of the connector P405, the pin 3 is connected with the AC-DC power conversion circuit, The pin 1 of the connector P405 is connected with the compressor, the pin 2 is connected with the fan.

Images