CN117250899A - Data acquisition instrument - Google Patents
Data acquisition instrument Download PDFInfo
- Publication number
- CN117250899A CN117250899A CN202311386836.5A CN202311386836A CN117250899A CN 117250899 A CN117250899 A CN 117250899A CN 202311386836 A CN202311386836 A CN 202311386836A CN 117250899 A CN117250899 A CN 117250899A
- Authority
- CN
- China
- Prior art keywords
- module
- data acquisition
- main control
- measuring
- current
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004891 communication Methods 0.000 claims abstract description 53
- 238000012544 monitoring process Methods 0.000 claims abstract description 24
- 238000005259 measurement Methods 0.000 claims abstract description 18
- 238000009529 body temperature measurement Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 26
- 239000003990 capacitor Substances 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000087 stabilizing effect Effects 0.000 description 3
- 239000013078 crystal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 101150111792 sda1 gene Proteins 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24215—Scada supervisory control and data acquisition
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The invention discloses a data acquisition instrument, and relates to the technical field of data acquisition instruments. The communication module is respectively connected with the upper computer and the plurality of lower computers; the temperature measuring module is used for measuring the working temperature of the target lower computer; the current measurement module is used for measuring the current of the target lower computer; the magnetron operation monitoring module is used for measuring operation parameters of a magnetron in the target lower computer; the main control module is used for analyzing the register address of the target lower computer according to the instruction of the upper computer and respectively sending the register address of the target lower computer to the temperature measuring module, the current measuring module and the magnetron operation monitoring module. According to the invention, the main control module and the communication module are arranged, so that wiring can be reduced on the basis of completing data acquisition.
Description
Technical Field
The invention relates to the technical field of data acquisition instruments, in particular to a data acquisition instrument.
Background
The data acquisition instrument is generally matched with a three-phase microwave power supply for data acquisition, and has the following problems during working; counting working time of a magnetron without a power supply; no feedback working current; the communication wiring between the device and the upper computer is complex; the external wiring is more, and the wiring is more complicated.
Disclosure of Invention
The invention aims to provide a data acquisition instrument which can reduce wiring on the basis of completing data acquisition.
In order to achieve the above object, the present invention provides the following solutions:
a data acquisition instrument comprising:
the magnetron operation monitoring system comprises a temperature measuring module, a communication module, a main control module, a magnetron operation monitoring module and a current measuring module;
the temperature measuring module, the communication module, the magnetron operation monitoring module and the current measuring module are all connected with the main control module;
the communication module is respectively connected with the upper computers and the plurality of lower computers;
the temperature measuring module is used for measuring the working temperature of the target lower computer;
the current measurement module is used for measuring the current of the target lower computer;
the magnetron operation monitoring module is used for measuring operation parameters of a magnetron in the target lower computer;
the main control module is used for analyzing the register address of the target lower computer according to the instruction of the upper computer and respectively sending the register address of the target lower computer to the temperature measuring module, the current measuring module and the magnetron operation monitoring module.
Optionally, the data acquisition instrument further includes: a power module;
the power module is connected with the main control module.
Optionally, the data acquisition instrument further includes: and a display module:
the display module is used for displaying the working temperature or current of the target lower computer or the operation parameters of the magnetron according to the display instruction.
Optionally, the data acquisition instrument further includes: a key module;
the key module is connected with the main control module;
the key module is used for acquiring a display instruction.
Optionally, the communication module includes:
a first communication unit and a second communication unit;
the first communication unit and the second communication unit are both connected with the main control module;
the first communication unit is connected with the upper computer;
the second communication unit is connected with a plurality of lower computers.
Optionally, the model of the singlechip in the main control module is AT32F413.
Optionally, the model of the temperature measuring module is DS18B20.
Optionally, the current measurement module is of model BL6552.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects:
the invention provides a data acquisition instrument, which comprises a temperature measurement module, a communication module, a main control module, a magnetron operation monitoring module and a current measurement module; the temperature measuring module, the communication module, the magnetron operation monitoring module and the current measuring module are all connected with the main control module; the communication module is respectively connected with the upper computers and the plurality of lower computers; the temperature measuring module is used for measuring the working temperature of the target lower computer; the current measurement module is used for measuring the current of the target lower computer; the magnetron operation monitoring module is used for measuring operation parameters of a magnetron in the target lower computer; the main control module is used for analyzing the register address of the target lower computer according to the instruction of the upper computer and respectively sending the register address of the target lower computer to the temperature measuring module, the current measuring module and the magnetron operation monitoring module. According to the invention, the main control module and the communication module are arranged, so that wiring can be reduced on the basis of completing data acquisition.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a data acquisition instrument in embodiment 1 of the present invention;
FIG. 2 is a schematic diagram of a power module in embodiment 1 of the present invention;
FIG. 3 is a schematic diagram of a display module according to an embodiment 1 of the present invention;
fig. 4 is a schematic diagram of a communication module structure in embodiment 1 of the present invention;
FIG. 5 is a schematic diagram of a temperature measurement module according to embodiment 1 of the present invention;
fig. 6 is a schematic structural diagram of a main control module in embodiment 1 of the present invention;
FIG. 7 is a schematic view showing the structure of a magnetron operation monitoring module in embodiment 1 of the invention;
FIG. 8 is a schematic diagram of a first structure of a current measurement module according to embodiment 1 of the present invention;
FIG. 9 is a schematic diagram of a second structure of the current measurement module in embodiment 1 of the present invention;
fig. 10 is a schematic diagram of a key module structure in embodiment 1 of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention aims to provide a data acquisition instrument which can reduce wiring on the basis of completing data acquisition.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Example 1
As shown in fig. 1, this embodiment provides a data acquisition instrument, which is characterized by comprising: the temperature measuring module (such as a temperature measuring circuit shown in an upper diagram in fig. 5, a temperature control circuit shown in a lower diagram in fig. 5), the communication module (such as a 485 circuit shown in both the upper diagram and the lower diagram in fig. 4), the main control module (such as a magnetron operation monitoring module shown in fig. 6), the magnetron operation monitoring module (such as an analog measurement circuit shown in an upper diagram in fig. 7, a voltage follower circuit shown in a lower left diagram in fig. 7, a reference voltage circuit shown in a lower right diagram in fig. 7) and the current measurement module (such as a reference voltage circuit shown in fig. 8 and 9), wherein a left 1 shown in the upper diagram in fig. 8 is an A-phase current access circuit, a left 2 shown in the upper diagram in fig. 8 is a B-phase current access circuit shown in the upper diagram in the left 2 shown in the fig. 8, a C-phase current access circuit shown in the left 3 shown in the lower diagram in the fig. 8 is a signal reference circuit shown in the left 2 shown in the lower diagram in the fig. 8, a crystal oscillator circuit shown in the left 3 shown in the lower diagram is a current measurement circuit shown in the lower diagram in the fig. 8); the temperature measuring module, the communication module, the magnetron operation monitoring module and the current measuring module are all connected with the main control module; the communication module is respectively connected with the upper computers and the plurality of lower computers; the temperature measuring module is used for measuring the working temperature of the target lower computer; the current measurement module is used for measuring the current of the target lower computer; the magnetron operation monitoring module is used for measuring operation parameters of a magnetron in the target lower computer; the main control module is used for analyzing the register address of the target lower computer according to the instruction of the upper computer and respectively sending the register address of the target lower computer to the temperature measuring module, the current measuring module and the magnetron operation monitoring module. The power module (as shown in fig. 2, the left diagram in fig. 2 is a DC24V to DC24V circuit, the lower right diagram in fig. 2 is a DC24V to DC5V and DC3.3V circuit, and the upper right diagram in fig. 2 is a DC24V to DC24V isolation circuit); the power supply module is connected with the main control module; display module (as in fig. 3, fig. 3 upper graph left 1 and upper graph left 2 are nixie tube display circuits, upper graph left 3 is LED display circuit, lower graph left 1 and lower graph left 2 are nixie tube drive circuit): the display module is used for displaying the working temperature or current of the target lower computer or the operation parameters of the magnetron according to the display instruction. A key module (see fig. 10); the key module is connected with the main control module; the key module is used for acquiring a display instruction. The communication module includes: a first communication unit and a second communication unit; the first communication unit and the second communication unit are both connected with the main control module; the first communication unit is connected with the upper computer; the second communication unit is connected with a plurality of lower computers. The model of the singlechip in the main control module is AT32F413. The model of the temperature measuring module is DS18B20. The model of the current measurement module is BL6552.
The key content is as follows: because 485 communication mode is adopted for the communication connection between the equipment and the upper computer, initialization setting is firstly carried out after power-on: device address, clear power run time, magnetron run time. The method comprises the following specific steps: the left button of the button area is pressed for a long time, the display 1 area flashes, and the red light is always on; inching the first left increase address, inching the second left decrease address, and setting the address; long-press the left three keys of the key area, flash the display 1 area, normally light the blue lamp, clear the working time of the power supply; long-press the left three keys of the key area, flash the display 1 area, normally light the blue lamp, clear the working time of the magnetron; display content (LED on, nixie tube display as corresponding paraphrase when the lamp is on): displaying a region: the red light is lighted: a device address; the yellow lamp is lighted: displaying faults; the blue lamp is lighted: the power supply working time; the green light is on: the magnetron operating time; two areas are displayed: the red light is lighted: phase a current; the yellow lamp is lighted: phase B current; the blue lamp is lighted: phase C current; the green light is on: working temperature in the box body.
The power supply module comprises a rectifier bridge MB30M, a recoverable insurance RUEF110-2, a piezoresistor MOV14D36V, an air discharge tube BF091M, X capacitor, a Y capacitor, a choke coil UU 9.81mH, a DC24V/DC24V isolated power supply B2424D_2WR3, a DC24V/DC5V isolated power supply B2405D_2WR3, a DC3.3V voltage stabilizing chip AMS1117-3.3V and an insurance ASMD0603SL100; further, the MB30M alternating current input end is externally connected with direct current 24V power supply, the MB30M positive electrode output end is connected with RUEF110-2, DC24V1+ is output, and the MB30M negative electrode output end outputs DC24V1-; r101 is connected with D101 in series, R101 is connected with DC24V1+, and D101 is connected with DC24V1-; DC24V1+ is connected with R103, DC24V 1-is connected with R102, the serial connection point of R103 and R102 is connected with the D1041 pin, and the D1041 pin is connected with the ground; DC24V+ is connected with a C1011 pin and a C1012 pin is grounded; DC 24V-is connected with a C1021 pin, and a C1022 pin is connected with the ground; l101 input pins 1 and 4 are connected with C103 in parallel, wherein the 1 pin is connected with DC24V1 < + >, and the 4 pin is connected with DC24V1 < - >; l1012, 3 pins are connected in parallel with D103, DC24V < 2+ > is output by 2 pins, and DC24V < 2- >; the C1041 pin is connected with DC24V & lt2+ & gt and the 2 pin is connected with the ground; c1051 pin is connected with DC24V2-, and 2 pin is connected with the ground; l1021 pin is connected with DC24V < 2+ >, and 4 pin is connected with DC24V < 2-; l1022 pin outputs DC24V, and 3 pins are connected with DC24V_GND; EC101, C106, C107, pin 1 DC24V, pin 2 gnd_24v; the DC24V, GND _24V is connected with the input end of the U10, and the DC5V, GND _MCU is isolated and output; the DC24V, GND _24V is connected with the U11, and the DC24V1 and the GND24V1 are isolated. In addition, the power supply module comprises a driving chip CH455G, a nixie tube 5361AB, an LED and a resistor; further, the singlechip is connected with U20SCL and SDA, U21 SCL and SDA1, U20 is connected with SMG21, D216, D217, D218, D219, R216, R217, R218 and R219, and U21 is connected with SMG26, D260, D261, D262, D263, R260, R261, R262 and R263.
Further, the rectifier bridge MB30M is used for a DC24V anti-reverse circuit; the recoverable insurance is used for preventing overcurrent; the piezoresistor R101 and the discharge tube D104 are used for preventing differential mode surge; the piezoresistors R102 and R103 and the discharge tube D104 are used for common mode protection; the X capacitors C101 and C102 mainly prevent differential mode interference; the Y capacitor C103 mainly prevents common mode interference; the choke coil is used for throttling high-frequency alternating current and allowing low-frequency and direct current to pass through; the isolation power supply B2424D_2WR3 provides a magnetron overtemperature alarm power supply; the isolation power supplies B2405D_2WR3 and AMS1117-3.3V provide DC3.3V power supply for the display module, the temperature measuring module, the communication module, the main control module, the magnetron operation monitoring module and the current measuring module; the display module comprises a nixie tube (5631 AB), an LED, a key SW6 x 6*6 and GH455; further, the U20 and the U25 are connected with the main control module through IIC communication, and the U20 and the U25 are respectively connected with the SMG21 and the SMG 26.
Further, the nixie tube is used for displaying system data; the LEDs are used for displaying system data in cooperation with the nixie tube, and the function of the system data is similar to that of a catalogue in a document; the key is used for address setting, power supply working time zero clearing and magnetron working time zero clearing.
The communication module comprises a 485 chip, WBA0905D102PT-HF, SMF7.0CA and SMF12CA.
U310 is connected with L310 input, L310 output is connected with PTC310 and PTC311; u320 is connected with L320 input, L320 output is connected with PTC320 and PTC321; the 485 chip is used for 485 communication; the WBA0905D102PT-HF is an anti-interference circuit; the SMF7.0CA is used for electrostatic protection of the communication interface; the SMF12CA is used for electrostatic protection of a communication interface; the temperature measuring module comprises DS18B20 (temperature measuring chip) and PC817 (input end is externally connected with a temperature switch); DS18B20 is connected with DC3V3, GND_MCU, and the data input/output port is connected with the main control module; the DS18D20 is a temperature measurement chip and is used for measuring the temperature inside the case; the input end of the PC817 is externally connected with a dry contact, and the output end of the PC817 is connected with the main control module; the PC817 is an external temperature switch at the input end and plays a role in photoelectric isolation.
The main control module comprises a singlechip (AT 32F 413), a memory chip (AT 24C 02) and a watchdog (SP 706S); the singlechip is connected with the U89 through IIC communication and the U870; the singlechip is used for playing roles in communication, measurement and control in a circuit; the storage chip is used for storing information such as settings, logs and the like; the watchdog is used for restarting the singlechip after a dead halt; the magnetron operation monitoring module comprises an operational amplifier (LM 358), a switching diode (IN 4148) and an adjustable voltage stabilizing source (TL 431); the U960 is connected with an external inductance coil, and the output is connected with a main control module; the operational amplifier is used for forming a voltage follower, and outputting a voltage signal to the singlechip when an external signal is acquired; the switching diode is used for clamping; the adjustable voltage stabilizing source is used for providing clamping protection voltage; the current measurement module comprises a current measurement chip (BL 6552) and a three-phase alternating current transformer coil; the input of U70 is connected with external inductance coil, and the output is connected with main control module; the current measurement chip is used for measuring three-phase input current; the three-phase alternating current transformer coil is used for measuring three-phase alternating current.
The operation process of the data acquisition instrument provided by the embodiment is as follows:
step S1: the upper computer transmits the command to the main control module by using ModbusRtu protocol through the communication module 1.
Step S2: after the master control module is successfully checked, the master control module responds to the upper computer and feeds back the data required by the upper computer to the upper computer; in general, the host computer polls two commands, namely a set command (command word 0x 06) and a query command (command word 0x 03), the main control module judges the command requirement by using a ModbusRtu protocol, and if the command is a set command, a response format is set according to a ModbusRtu standard and is fed back to the host computer; if the command is a query command, the corresponding data is assigned to the query feedback command according to the register address information in the command and the ModbusRtm query command feedback rule, and the feedback is fed back to the upper computer through the network module.
Step S3: the main control module extracts the setting variable of the setting command (command word 0x 06) received by the equipment in step S2 from the setting command of the upper computer, assigns values according to the ModbusRtu protocol, sends the assignment to the lower computer through the communication module 2, and receives the response of the lower computer through the communication module S2.
Step S4: the main control module inquires (command word 0x 03) the working state (fault, power set value) of the lower computer through the communication module 2 according to the ModbusRtu protocol, collates the data fed back by the lower computer, and assigns the feedback command to the step S1 when the inquiry command of the upper computer is received.
Step S5: the nixie tube displays a region, the red light is on, the nixie tube represents the address of the equipment, the left key is pressed for a long time, the equipment enters an address setting state, the left key is pressed for a short time again, address adding operation is carried out, and address subtracting operation is carried out by pressing the left key for a short time.
Step S6: the nixie tube displays a zone, the yellow lamp is on, no fault is displayed for 0.00, and fault codes are correspondingly displayed.
Step S7: the nixie tube displays a region, and the blue lamp is lighted to display the working time of the lower computer.
Step S8: the nixie tube displays a zone, the green light is on, and the working time of the magnetron is displayed.
Step S9: the nixie tube displays two areas, the red light is lighted, and the working current of the phase A is displayed; the yellow lamp is lighted, and B phase working current is displayed; the blue lamp is lighted, and the C-phase working current is displayed; the green light is on, and the current temperature of the equipment is displayed.
After the equipment is electrified, detecting the magnetron overtemperature and detecting the working temperature in the box body; the power supply control method comprises the steps of communicating with an upper computer, communicating by using a modbusRtu protocol, receiving the adjustment of power supply power by the upper computer, and uploading a power supply, a communication state, an A-phase working current, a power supply power set value, a power supply working time, a magnetron working time and a box body working temperature; the method comprises the steps of communicating with a power supply, adopting a modbusRtu protocol to communicate, setting power of the power supply, collecting states, and displaying the collected states in a display area when a yellow lamp is lighted; and displaying the acquired data on the nixie tube through a second item 'display content'.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. Also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.
Claims (8)
1. A data acquisition instrument, comprising:
the magnetron operation monitoring system comprises a temperature measuring module, a communication module, a main control module, a magnetron operation monitoring module and a current measuring module;
the temperature measuring module, the communication module, the magnetron operation monitoring module and the current measuring module are all connected with the main control module;
the communication module is respectively connected with the upper computers and the plurality of lower computers;
the temperature measuring module is used for measuring the working temperature of the target lower computer;
the current measurement module is used for measuring the current of the target lower computer;
the magnetron operation monitoring module is used for measuring operation parameters of a magnetron in the target lower computer;
the main control module is used for analyzing the register address of the target lower computer according to the instruction of the upper computer and respectively sending the register address of the target lower computer to the temperature measuring module, the current measuring module and the magnetron operation monitoring module.
2. The data acquisition instrument of claim 1, further comprising: a power module;
the power module is connected with the main control module.
3. The data acquisition instrument of claim 1, further comprising: and a display module:
the display module is used for displaying the working temperature or current of the target lower computer or the operation parameters of the magnetron according to the display instruction.
4. The data acquisition instrument of claim 1, further comprising: a key module;
the key module is connected with the main control module;
the key module is used for acquiring a display instruction.
5. The data acquisition instrument of claim 1, wherein the communication module comprises:
a first communication unit and a second communication unit;
the first communication unit and the second communication unit are both connected with the main control module;
the first communication unit is connected with the upper computer;
the second communication unit is connected with a plurality of lower computers.
6. The data acquisition instrument of claim 1, wherein the model of the singlechip in the main control module is AT32F413.
7. The data acquisition instrument of claim 1, wherein the temperature measurement module is of the type DS18B20.
8. The data acquisition instrument of claim 1, wherein the current measurement module is model BL6552.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311386836.5A CN117250899A (en) | 2023-10-24 | 2023-10-24 | Data acquisition instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311386836.5A CN117250899A (en) | 2023-10-24 | 2023-10-24 | Data acquisition instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117250899A true CN117250899A (en) | 2023-12-19 |
Family
ID=89133178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311386836.5A Pending CN117250899A (en) | 2023-10-24 | 2023-10-24 | Data acquisition instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117250899A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203894322U (en) * | 2014-06-09 | 2014-10-22 | 青岛东方循环能源有限公司 | Magnetron collector |
| CN105162247A (en) * | 2015-08-05 | 2015-12-16 | 西安因变光电科技有限公司 | Power line carrier based distributed control system for magnetron power sources |
| CN108600068A (en) * | 2018-04-06 | 2018-09-28 | 长天科技股份有限公司 | A kind of data collection and transmission method in distributed measurement and control system |
| DE202018107381U1 (en) * | 2017-12-28 | 2019-01-23 | Measurement Specialties (China) Ltd. | Signal demodulation circuit and scanner |
| CN110502467A (en) * | 2019-07-25 | 2019-11-26 | 江苏诺蓝翌新能源科技有限公司 | A kind of general acquisition interface software systems based on serial ports modbus communication protocol |
| CN110530553A (en) * | 2019-08-07 | 2019-12-03 | 深圳麦格米特电气股份有限公司 | A kind of magnetron condition detection method, device, controller, circuit and system |
| CN112003761A (en) * | 2020-08-05 | 2020-11-27 | 深圳市中物互联技术发展有限公司 | Data acquisition method, device and storage medium |
| CN116149228A (en) * | 2023-02-27 | 2023-05-23 | 季华实验室 | Control device and control method of microwave system |
-
2023
- 2023-10-24 CN CN202311386836.5A patent/CN117250899A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203894322U (en) * | 2014-06-09 | 2014-10-22 | 青岛东方循环能源有限公司 | Magnetron collector |
| CN105162247A (en) * | 2015-08-05 | 2015-12-16 | 西安因变光电科技有限公司 | Power line carrier based distributed control system for magnetron power sources |
| DE202018107381U1 (en) * | 2017-12-28 | 2019-01-23 | Measurement Specialties (China) Ltd. | Signal demodulation circuit and scanner |
| CN108600068A (en) * | 2018-04-06 | 2018-09-28 | 长天科技股份有限公司 | A kind of data collection and transmission method in distributed measurement and control system |
| CN110502467A (en) * | 2019-07-25 | 2019-11-26 | 江苏诺蓝翌新能源科技有限公司 | A kind of general acquisition interface software systems based on serial ports modbus communication protocol |
| CN110530553A (en) * | 2019-08-07 | 2019-12-03 | 深圳麦格米特电气股份有限公司 | A kind of magnetron condition detection method, device, controller, circuit and system |
| CN112003761A (en) * | 2020-08-05 | 2020-11-27 | 深圳市中物互联技术发展有限公司 | Data acquisition method, device and storage medium |
| CN116149228A (en) * | 2023-02-27 | 2023-05-23 | 季华实验室 | Control device and control method of microwave system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE112016005113T5 (en) | Fail-safe lighting control system | |
| US20200127489A1 (en) | Battery management system | |
| CN209064097U (en) | Rail traffic guest room illumination intelligence control system | |
| CN104102161A (en) | Intelligent integrated power switch quantity monitoring module | |
| CN117250899A (en) | Data acquisition instrument | |
| EP2553674A1 (en) | Method for illuminating a light box | |
| AU2015200062B2 (en) | Intelligent air conditioner socket with abnormality alarm | |
| CN104199318A (en) | Museum exhibit protection dimming glass terminal device and system | |
| CN109291948A (en) | Rail traffic guest room illumination intelligence control system | |
| CN106924925B (en) | A kind of active output driving circuit and its implementation of input/output module | |
| CN207457406U (en) | A kind of charged identifier of distribution low-voltage outlet | |
| JP3329828B2 (en) | Diagnostic input circuit for general-purpose sequence controller | |
| CN211955770U (en) | Signal lamp state detection device capable of collecting multiple states | |
| CN103376131A (en) | Humiture alarm and humiture alarm monitoring value output method | |
| CN215186446U (en) | Power supply of ozone generator | |
| CN204681632U (en) | A kind of lighting control module | |
| TWM545330U (en) | A traffic signal control system with the functions of automatically detecting the failure of LED traffic lights | |
| CN210466085U (en) | Intelligent compact shelf controller | |
| CN208846629U (en) | A kind of photosensitive detection circuit, display screen control device and air conditioner | |
| CN206684919U (en) | A kind of optics self-test line style light beam smoke fire detector | |
| CN112398222B (en) | Intelligent terminal fusion AC acquisition system for transformer area | |
| CN114513881B (en) | Light source driving circuit for optical landing | |
| CN211317386U (en) | Gas monitoring equipment with replaceable sensor | |
| CN102694311B (en) | Power box with protection circuit | |
| CN219245973U (en) | PMIC power supply debugger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |