CN114966582B - Microwave transceiving assembly self-checking method and system - Google Patents
Microwave transceiving assembly self-checking method and system Download PDFInfo
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- 230000017525 heat dissipation Effects 0.000 description 46
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- 230000007613 environmental effect Effects 0.000 description 14
- 238000012545 processing Methods 0.000 description 8
- 238000012430 stability testing Methods 0.000 description 8
- 238000007689 inspection Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 2
- 238000013480 data collection Methods 0.000 description 2
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
- G01S7/4004—Means for monitoring or calibrating of parts of a radar system
- G01S7/4008—Means for monitoring or calibrating of parts of a radar system of transmitters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
- G01S7/4004—Means for monitoring or calibrating of parts of a radar system
- G01S7/4021—Means for monitoring or calibrating of parts of a radar system of receivers
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/30—Automatic controllers with an auxiliary heating device affecting the sensing element, e.g. for anticipating change of temperature
- G05D23/32—Automatic controllers with an auxiliary heating device affecting the sensing element, e.g. for anticipating change of temperature with provision for adjustment of the effect of the auxiliary heating device, e.g. a function of time
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Abstract
The invention discloses a self-checking method and a self-checking system of a microwave transceiving assembly, which comprises the steps of judging whether a self-checking condition is met or not according to the obtained self-checking characteristic of the microwave transceiving assembly, starting the self-checking system of the microwave transceiving assembly if the self-checking condition is met, carrying out self-checking according to the self-checking characteristic of the microwave transceiving assembly, carrying out self-checking on the microwave transceiving assembly through a self-checking module in the self-checking system of the microwave transceiving assembly, enabling the working temperature of the microwave transceiving assembly to be within a safe temperature threshold range, and completing the self-checking of the microwave transceiving assembly; and if the signal deviation of the transmitting branch circuit is within a set signal deviation threshold value, the signal deviation of the receiving branch circuit is within a set signal deviation threshold value, and the temperature rise rate is within a set temperature rise rate threshold value, the stability of the microwave transceiving assembly is judged, and the self-checking of the microwave transceiving assembly is completed.
Description
Technical Field
The invention relates to the field of radars, in particular to a self-checking method and a self-checking system for a microwave transceiving assembly.
Background
The microwave transceiving component is positioned at the front end of the radar system, and a transmitting module in the microwave transceiving component amplifies a microwave signal with modulation information to a proper level and transmits the microwave signal to an antenna for transmitting; and a receiving module in the microwave transceiving component amplifies and frequency-converts the weak microwave signals received by the antenna and transmits the amplified and frequency-converted weak microwave signals to a subsequent intermediate frequency circuit. The transmission path of the microwave signal needs to pass through a transmitting antenna, a receiving antenna and an external space. Along with the requirement for intellectualization is higher and higher, before radar system works, need carry out self-checking to the microwave transceiver module that realizes microwave signal transmission and receipt and detect to when guaranteeing radar system to start, microwave transceiver module normal operation.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a self-checking method of a microwave transceiver component, which comprises the following steps:
step one, acquiring self-checking characteristics of the microwave transceiving assembly, judging whether self-checking conditions are met or not according to the acquired self-checking characteristics of the microwave transceiving assembly, and entering step two if the self-checking conditions are met;
step two, starting a microwave transceiving assembly self-checking system, and according to the self-checking characteristic of the microwave transceiving assembly, if the self-checking characteristic is a self-checking characteristic I, entering step three, and if the self-checking characteristic is a self-checking characteristic II, entering step five; the self-checking characteristic I is the continuous idle time of the microwave transceiving component, and the self-checking characteristic II is the single continuous working time of the microwave transceiving component;
step three, performing self-checking on the microwave transceiving assembly through a self-checking module in a microwave transceiving assembly self-checking system, firstly performing fault detection on the microwave transceiving assembly, and if no fault exists, performing self-adaptive heat dissipation debugging on the microwave transceiving assembly, and entering step four;
acquiring the environment temperature of the environment where the microwave transceiving component is located through an environment data acquisition device in the self-checking module I, and adjusting the power of the self-adaptive cooling device according to the environment temperature and the temperature in the testing process of the microwave transceiving component, so that the working temperature of the microwave transceiving component is within the range of a safe temperature threshold value, and the self-checking of the microwave transceiving component is completed;
step five, stability testing is carried out on the microwave transceiving assembly through a stability testing device in the self-checking module II, signal deviation of the microwave transceiving assembly is obtained through a set testing signal, if signal deviation of a transmitting branch circuit is within a set signal deviation threshold value and signal deviation of a receiving branch circuit is within a set signal deviation threshold value, meanwhile, the temperature rise rate of the microwave transceiving assembly in the testing process is obtained through a temperature detecting device, if the temperature rise rate is within a set temperature rise rate threshold value, the microwave transceiving assembly is judged to be stable, and if not, the microwave transceiving assembly is unstable; and completing the self-inspection of the microwave transceiving component.
Further, according to the self-checking characteristic of the microwave transceiver module who obtains judge whether satisfy the self-checking condition, include:
and if the continuous idle time of the microwave transceiving component is not less than the set continuous idle time threshold or the single continuous working time of the microwave transceiving component is not less than the set continuous working time threshold, the self-checking condition is met.
Further, the environmental temperature of environment that microwave transceiver module place is gathered through the environmental data collection system among the self-checking module one, according to the temperature in ambient temperature and the microwave transceiver module test process, carry out power control to self-adaptation heat abstractor, make the temperature of microwave transceiver module in the safe threshold value scope, include following process:
s1, establishing a heat dissipation power basic database of the self-adaptive heat dissipation device, wherein the heat dissipation power basic database comprises basic heat dissipation power, a heat dissipation power grade, a temperature rise rate corresponding to the heat dissipation power grade and a safety temperature threshold;
s2, setting the heat dissipation device as basic heat dissipation power according to the acquired environmental temperature data, performing basic heat dissipation debugging, obtaining the no-load temperature of the microwave transceiving component after a set test duration, if the difference value between the no-load temperature and the environmental temperature is within a difference threshold value, not adjusting the basic heat dissipation power of the self-adaptive heat dissipation device, and if the difference value is not within the difference threshold value, adjusting the basic heat dissipation power of the self-adaptive heat dissipation device to enable the difference value between the no-load temperature and the environmental temperature to be within the difference threshold value, and completing the basic heat dissipation debugging;
and S3, collecting the temperature of the microwave transceiving component in the process of carrying out signal transceiving test, if the temperature of the microwave transceiving component is within a safe temperature warning value within the test time period, not adjusting the heat dissipation power level of the self-adaptive heat dissipation device, if the temperature of the microwave transceiving component reaches the safe temperature warning value within the test time period, acquiring the temperature rise rate of the microwave transceiving component, adjusting the heat dissipation power level of the self-adaptive heat dissipation device to be the heat dissipation power level corresponding to the temperature rise rate, enabling the temperature of the microwave transceiving component to be within a safe temperature threshold value, and completing the adjustment of the self-adaptive heat dissipation device.
Further, the signal deviation of the transmitting branch is: and obtaining a designed transmitting signal amplitude value of the test signal passing through the transmitting branch according to the set test signal, and designing a difference value between the transmitting signal amplitude value and an actual transmitting signal amplitude value obtained by the test signal passing through the transmitting branch.
Further, the signal deviation of the receiving branch is: and according to the set test signal, obtaining a designed received signal amplitude after the test signal passes through the receiving branch, and designing a difference value between the received signal amplitude and an actual received signal amplitude obtained by the test signal passing through the transmitting branch.
Further, the temperature increase rate adopts the following formula:
therein
In order to test the length of time,
to test the temperature at the start of the test,
to pass time length
The latter temperature.
The microwave transceiving component self-checking system applying the microwave transceiving component self-checking method comprises a self-checking module I, a self-checking module II, a data processing module, a temperature detection device and a self-adaptive heat dissipation module; the first self-checking module, the second self-checking module, the temperature detection device and the self-adaptive heat dissipation module are respectively connected with the data processing module.
Furthermore, the self-checking module comprises a fault detection module and an environmental data acquisition device; the fault detection module and the environmental data acquisition device are respectively connected with the data processing module.
Furthermore, the self-checking module II comprises a stability testing device, and the stability testing device is connected with the data processing module.
The invention has the beneficial effects that: according to the technical scheme provided by the invention, different self-checking can be carried out on the microwave transceiving assembly according to different states of the microwave transceiving assembly, and the stable operation of the microwave transceiving assembly is ensured.
Drawings
FIG. 1 is a schematic flow chart of a self-test method for a microwave transceiver module;
fig. 2 is a schematic diagram of a self-checking system of a microwave transceiver module.
Detailed Description
The technical solutions of the present invention are further described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following.
For the purpose of making the object, technical solution and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention. It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
Furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a" \8230; "does not exclude the presence of additional like elements in the process, method, article, or apparatus that comprises the element.
The features and properties of the present invention are described in further detail below with reference to examples.
As shown in fig. 1, a self-checking method for microwave transceiver modules includes the following steps:
step one, acquiring self-checking characteristics of the microwave transceiving assembly, judging whether self-checking conditions are met or not according to the acquired self-checking characteristics of the microwave transceiving assembly, and entering step two if the self-checking conditions are met;
step two, starting a microwave transceiving assembly self-checking system, and according to the self-checking characteristic of the microwave transceiving assembly, if the self-checking characteristic is a self-checking characteristic I, entering step three, and if the self-checking characteristic is a self-checking characteristic II, entering step five; the first self-checking characteristic is the continuous idle time of the microwave transceiving component, and the second self-checking characteristic is the single continuous working time of the microwave transceiving component;
step three, performing self-checking on the microwave transceiving assembly through a self-checking module in the microwave transceiving assembly self-checking system, firstly performing fault detection on the microwave transceiving assembly, and if no fault exists, performing self-adaptive heat dissipation debugging on the microwave transceiving assembly, and entering step four;
acquiring the environment temperature of the environment where the microwave transceiving component is located through an environment data acquisition device in the self-checking module I, and adjusting the power of the self-adaptive cooling device according to the environment temperature and the temperature in the testing process of the microwave transceiving component, so that the working temperature of the microwave transceiving component is within the range of a safe temperature threshold value, and the self-checking of the microwave transceiving component is completed;
step five, stability testing is carried out on the microwave transceiving assembly through a stability testing device in the self-checking module II, signal deviation of the microwave transceiving assembly is obtained through a set testing signal, if signal deviation of a transmitting branch circuit is within a set signal deviation threshold value and signal deviation of a receiving branch circuit is within a set signal deviation threshold value, meanwhile, the temperature rise rate of the microwave transceiving assembly in the testing process is obtained through a temperature detecting device, if the temperature rise rate is within a set temperature rise rate threshold value, the microwave transceiving assembly is judged to be stable, and if not, the microwave transceiving assembly is unstable; and completing the self-inspection of the microwave transceiving component.
Whether the self-checking condition is met or not is judged according to the obtained self-checking characteristic of the microwave transceiving component, and the method comprises the following steps:
and if the continuous idle time of the microwave transceiving component is not less than the set continuous idle time threshold or the single continuous working time of the microwave transceiving component is not less than the set continuous working time threshold, the self-checking condition is met.
The environmental temperature of environment that microwave receiving and dispatching subassembly place is gathered through environmental data collection system among the self-checking module one, according to the temperature in ambient temperature and the microwave receiving and dispatching subassembly test procedure, carry out power control to self-adaptation heat abstractor, make the temperature of microwave receiving and dispatching subassembly in the safety threshold value scope, include following process:
s1, establishing a heat dissipation power basic database of the self-adaptive heat dissipation device, wherein the heat dissipation power basic database comprises basic heat dissipation power, a heat dissipation power grade, a temperature rise rate corresponding to the heat dissipation power grade and a safety temperature threshold;
s2, setting the heat dissipation device as basic heat dissipation power according to the acquired environmental temperature data, performing basic heat dissipation debugging, obtaining the no-load temperature of the microwave transceiving component after a set test duration, if the difference value between the no-load temperature and the environmental temperature is within a difference threshold value, not adjusting the basic heat dissipation power of the self-adaptive heat dissipation device, and if the difference value is not within the difference threshold value, adjusting the basic heat dissipation power of the self-adaptive heat dissipation device to enable the difference value between the no-load temperature and the environmental temperature to be within the difference threshold value, and completing the basic heat dissipation debugging;
and S3, collecting the temperature of the microwave transceiving component in the process of carrying out signal transceiving test, if the temperature of the microwave transceiving component is within a safe temperature warning value within the test time period, not adjusting the heat dissipation power level of the self-adaptive heat dissipation device, if the temperature of the microwave transceiving component reaches the safe temperature warning value within the test time period, acquiring the temperature rise rate of the microwave transceiving component, adjusting the heat dissipation power level of the self-adaptive heat dissipation device to be the heat dissipation power level corresponding to the temperature rise rate, enabling the temperature of the microwave transceiving component to be within a safe temperature threshold value, and completing the adjustment of the self-adaptive heat dissipation device.
The signal deviation of the transmitting branch circuit is as follows: and obtaining a designed transmitting signal amplitude value of the test signal passing through the transmitting branch according to the set test signal, and designing a difference value between the transmitting signal amplitude value and an actual transmitting signal amplitude value obtained by the test signal passing through the transmitting branch.
The signal deviation of the receiving branch circuit is as follows: and according to the set test signal, obtaining a designed received signal amplitude value after the test signal passes through the receiving branch, and designing a difference value between the received signal amplitude value and an actual received signal amplitude value obtained by the test signal passing through the transmitting branch.
The temperature rise rate adopts the following formula:
therein
In order to test the length of time,
in order to test the temperature at the start of the test,
to pass time length
The latter temperature.
As shown in fig. 2, a microwave transceiver module self-inspection system applying the microwave transceiver module self-inspection method includes a first self-inspection module, a second self-inspection module, a data processing module, a temperature detection device, and a self-adaptive heat dissipation module; the first self-checking module, the second self-checking module, the temperature detection device and the self-adaptive heat dissipation module are respectively connected with the data processing module.
The first self-checking module is used for self-checking the microwave transceiving assembly when the microwave transceiving assembly meets the first self-checking condition, and the second self-checking module is used for self-checking the microwave transceiving assembly when the microwave transceiving assembly meets the second self-checking condition; the temperature detection device comprises a temperature rise rate calculation module and a temperature detection module; the temperature rise rate module is used for acquiring the temperature rise rate of the microwave transceiving component, and the temperature detection module is used for acquiring the temperature data of the microwave transceiving component.
The self-checking module comprises a fault detection module and an environmental data acquisition device; the fault detection module and the environmental data acquisition device are respectively connected with the data processing module.
The fault detection module is used for carrying out transceiving test on the microwave transceiving component, and if the microwave transceiving component can carry out signal transceiving, no fault exists.
The self-checking module II comprises a stability testing device, and the stability testing device is connected with the data processing module. The stability test is used for testing the stability of the microwave transceiving component.
The foregoing is illustrative of the preferred embodiments of this invention, and it is to be understood that the invention is not limited to the precise form disclosed herein and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the concept as disclosed herein, either as described above or as apparent to those skilled in the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. A microwave transceiver module self-checking method is characterized by comprising the following steps:
step one, acquiring self-checking characteristics of the microwave transceiving assembly, judging whether self-checking conditions are met or not according to the acquired self-checking characteristics of the microwave transceiving assembly, and entering step two if the self-checking conditions are met;
step two, starting a microwave transceiving component self-checking system, and according to the self-checking characteristic of the microwave transceiving component, i) if the self-checking characteristic is a first self-checking characteristic, entering a step three; ii) if the self-checking feature is the self-checking feature two, entering the step five; the self-checking characteristic I is the continuous idle time of the microwave transceiving component, and the self-checking characteristic II is the single continuous working time of the microwave transceiving component;
step three, performing self-checking on the microwave transceiving assembly through a self-checking module in the microwave transceiving assembly self-checking system, firstly performing fault detection on the microwave transceiving assembly, and if no fault exists, performing self-adaptive heat dissipation debugging on the microwave transceiving assembly, and entering step four;
acquiring the environmental temperature of the environment where the microwave transceiving component is located through an environmental data acquisition device in the self-checking module I, and adjusting the power of the self-adaptive heat dissipation device according to the environmental temperature and the temperature in the testing process of the microwave transceiving component, so that the working temperature of the microwave transceiving component is within the range of a safe temperature threshold value, and the self-checking of the microwave transceiving component is completed;
step five, stability testing is carried out on the microwave transceiving assembly through a stability testing device in the self-checking module II, signal deviation of the microwave transceiving assembly is obtained through a set testing signal, if signal deviation of a transmitting branch circuit is within a set signal deviation threshold value and signal deviation of a receiving branch circuit is within a set signal deviation threshold value, meanwhile, the temperature rise rate of the microwave transceiving assembly in the testing process is obtained through a temperature detecting device, if the temperature rise rate is within a set temperature rise rate threshold value, the microwave transceiving assembly is judged to be stable, and if not, the microwave transceiving assembly is unstable; and completing the self-inspection of the microwave transceiving component.
2. The microwave transceiving assembly self-checking method according to claim 1, wherein the step of judging whether the self-checking condition is met according to the obtained self-checking characteristic of the microwave transceiving assembly comprises the steps of:
and if the continuous idle time of the microwave transceiving component is not less than the set continuous idle time threshold or the single continuous working time of the microwave transceiving component is not less than the set continuous working time threshold, the self-checking condition is met.
3. The microwave transceiving component self-testing method according to claim 1, wherein an environment data acquisition device in a first self-testing module acquires an environment temperature of an environment where the microwave transceiving component is located, and power of a self-adaptive heat dissipation device is adjusted according to the environment temperature and the temperature in a testing process of the microwave transceiving component, so that the temperature of the microwave transceiving component is within a safe threshold range, and the method comprises the following steps:
s1, establishing a heat dissipation power basic database of the self-adaptive heat dissipation device, wherein the heat dissipation power basic database comprises basic heat dissipation power, a heat dissipation power grade, a temperature rise rate corresponding to the heat dissipation power grade and a safety temperature threshold;
s2, setting the heat dissipation device as basic heat dissipation power according to the acquired environment temperature data, performing basic heat dissipation debugging, obtaining the no-load temperature of the microwave transceiving component after a set test duration, if the difference value between the no-load temperature and the environment temperature is within a difference threshold value, not adjusting the basic heat dissipation power of the self-adaptive heat dissipation device, if the difference value is not within the difference threshold value, adjusting the basic heat dissipation power of the self-adaptive heat dissipation device, and enabling the difference value between the no-load temperature and the environment temperature to be within the difference threshold value, thereby completing the basic heat dissipation debugging;
and S3, collecting the temperature of the microwave transceiving component in the process of carrying out signal transceiving test, if the temperature of the microwave transceiving component is within a safe temperature warning value within the test time period, not adjusting the heat dissipation power level of the self-adaptive heat dissipation device, if the temperature of the microwave transceiving component reaches the safe temperature warning value within the test time period, acquiring the temperature rise rate of the microwave transceiving component, adjusting the heat dissipation power level of the self-adaptive heat dissipation device to be the heat dissipation power level corresponding to the temperature rise rate, enabling the temperature of the microwave transceiving component to be within a safe temperature threshold value, and completing the adjustment of the self-adaptive heat dissipation device.
4. The method of claim 1, wherein the transmit branch signal offset is: and obtaining a designed transmitting signal amplitude value of the test signal passing through the transmitting branch according to the set test signal, and designing a difference value between the transmitting signal amplitude value and an actual transmitting signal amplitude value obtained by the test signal passing through the transmitting branch.
5. The method as claimed in claim 1, wherein the signal deviation of the receiving branch is: and obtaining a designed received signal amplitude value of the test signal passing through the receiving branch according to the set test signal, and designing a difference value between the designed received signal amplitude value and an actual received signal amplitude value of the test signal passing through the receiving branch.
6. The method of claim 1, wherein the temperature rise rate is determined by the following equation:
therein
In order to measure the length of time,
to test the temperature at the start of the test,
to pass time length
The latter temperature.
7. A microwave transceiver component self-checking system applying the microwave transceiver component self-checking method according to any one of claims 1 to 6 is characterized by comprising a first self-checking module, a second self-checking module, a data processing module, a temperature detection device and a self-adaptive heat dissipation module; the first self-checking module, the second self-checking module, the temperature detection device and the self-adaptive heat dissipation module are respectively connected with the data processing module.
8. The microwave transceiver component self-test system of claim 7, wherein the self-test module comprises a fault detection module, an environmental data acquisition device; the fault detection module and the environmental data acquisition device are respectively connected with the data processing module.
9. The microwave transceiving assembly self-test system according to claim 7, wherein the self-test module two comprises a stability test device, and the stability test device is connected with the data processing module.
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| CN117134840B (en) * | 2023-10-23 | 2024-01-02 | 成都大公博创信息技术有限公司 | Radio communication equipment control method and radio communication equipment |
| CN117978105B (en) * | 2024-04-02 | 2024-06-14 | 四川省华盾防务科技股份有限公司 | State control method and system for electronic countermeasure microwave power amplifier |
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