CN219842643U - Intelligent hardware diagnosis tool, test equipment and test system with high integration level - Google Patents
Intelligent hardware diagnosis tool, test equipment and test system with high integration level Download PDFInfo
- Publication number
- CN219842643U CN219842643U CN202320519292.4U CN202320519292U CN219842643U CN 219842643 U CN219842643 U CN 219842643U CN 202320519292 U CN202320519292 U CN 202320519292U CN 219842643 U CN219842643 U CN 219842643U
- Authority
- CN
- China
- Prior art keywords
- test
- test object
- circuit
- level
- voltage
- 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.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 156
- 238000003745 diagnosis Methods 0.000 title claims abstract description 16
- 230000010354 integration Effects 0.000 title claims abstract description 9
- 238000005070 sampling Methods 0.000 claims abstract description 62
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000006243 chemical reaction Methods 0.000 claims description 31
- 230000003321 amplification Effects 0.000 claims description 4
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 8
- 238000001514 detection method Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000004088 simulation Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000009530 blood pressure measurement Methods 0.000 description 2
- 238000011990 functional testing Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The utility model discloses an intelligent hardware diagnosis tool, testing equipment and a testing system with high integration level. The diagnosis tool tests the tested object by simulating a real application scene, feeds test data back to the chip for judgment, and finally outputs a test result through the LED indicator lamp. Test objects such as a water pressure meter and the like have working voltages output by 24V and 3.6V dual power supplies, different working voltage tests can be realized by the test objects such as the water pressure meter and the like under two power supply conditions, meanwhile, signal tests of AD signal sampling and pressure sampling are integrated, a plurality of functions are integrated on one tool, signal values uploaded by a main control MCU are judged through a computer, and efficient and concentrated diversified hardware tests are realized.
Description
Technical Field
The utility model relates to the technical field of testing, in particular to an intelligent hardware diagnosis tool, testing equipment and testing system with high integration level.
Background
In the production process of mass products such as water pressure acquisition equipment, various tools and complex operation flows are often required to simulate the real application environment, so that the production process of the products, the discrimination of good and bad products and the like are detected; and also requires a lot of tools and labor costs, etc.
The diagnosis tool is used for detecting electronic industrial products produced in a large scale, such as water pressure acquisition equipment and the like, and an electronic main board, in product detection, not only the sampling function of the electronic main board is required to be measured, but also the functions of power supply, output and the like are required to be measured, various aspects of the products are detected, and the products can be put into line and packed after marking.
In the existing product tests such as the water pressure acquisition equipment, the node type measurement is mainly adopted for the detection facilities of each function, the test of the water pressure acquisition equipment is more scattered, one procedure only tests one function of the water pressure acquisition equipment, such as power supply test, sampling circuit test, AD signal test and the like, the measurement is more scattered and consumes time, and meanwhile, each measurement tool is inconvenient to carry.
In addition, the power supply test of the water pressure acquisition equipment has the working voltage besides the working voltage of the corresponding sampling circuit, so that the power supply test of the water pressure acquisition equipment needs to be carried out twice.
Most of the existing measuring tools are contact tools instead of plug-in type, although the use is sensitive, for the condition of mass test, the structural connectors can cause the contact tools to have work load with no advantage reliability and larger measuring pressure during measurement. The scattered test brings more test equipment and the test is not concentrated.
Disclosure of Invention
The utility model mainly aims to provide an intelligent hardware diagnosis tool, test equipment and test system with high integration level so as to solve the current problems.
In order to achieve the above object, the present utility model provides the following techniques:
in one aspect of the present utility model, an intelligent hardware diagnosis tool with high integration level is provided, including:
the power input interface is used for accessing the high-voltage power supply;
the power supply conversion circuit is used for supplying power to the main control MCU, the sampling circuit and the test object after converting the high-voltage power supply;
the data conversion interface is used for collecting working current of the test object and sending the working current to the sampling circuit;
the sampling circuit is used for outputting the working current of the test object to the main control MCU for test judgment after the working current is processed by the amplifying circuit;
the main control MCU is used for judging according to the level acquired by the AD and outputting a corresponding level judgment value;
and the LED prompt circuit is used for switching on and switching off according to the level judgment value output by the main control MCU and prompting the test result through on and off.
As an alternative embodiment of the present utility model, optionally, the power conversion circuit includes:
the 24V power supply conversion circuit is used for converting the high-voltage power supply into 24V output voltage and synchronously used for providing 24V input voltage for the test object and the step-down conversion circuit.
As an optional embodiment of the present utility model, optionally, the power conversion circuit further includes:
the 3.6V buck conversion circuit is used for converting 24V output voltage into 3.6V output voltage, and supplying power to the test object and the main control MCU; the 3.6V input voltage supply is synchronously provided for the 3.3V buck combination circuit.
As an optional embodiment of the present utility model, optionally, the power conversion circuit further includes:
and the 3.3V voltage reduction combination circuit is used for converting the 3.6V output voltage into the 3.3V output voltage and supplying power for the sampling circuit and the LED prompt circuit.
As an alternative embodiment of the present utility model, optionally, the sampling circuit includes an AD sampling circuit, the AD sampling circuit including:
the AD sampling port is used for collecting ADA-MD level signal values of the test object;
the amplifier chip is used for amplifying the acquired ADA-MD level signal value of the test object, outputting a corresponding level to the main control MCU after amplification treatment, and outputting a corresponding level judgment value after judgment by the main control MCU;
wherein, ADA-MD level signal values of the test object include:
an operating current of the test object at 24V voltage and an operating current of the test object at 3.6V voltage.
As an alternative embodiment of the present utility model, optionally, the AD sampling chip model is INA128UA.
As an alternative embodiment of the present utility model, optionally, the sampling circuit includes a pressure sampling circuit, and the pressure sampling circuit includes:
the connector is connected with the plug connector of the test object and is under the working voltage of 3.3V of the test object, and is used for simulating the water outlet condition of the test object and collecting the corresponding signal level value of the pressure gauge;
the 3.3V level control circuit is used for controlling the on-off of the 3.3V high level end;
when the pressure sampling circuit is started, the 3.3V high-level end of the connector is disconnected, if the pressure gauge signal level value of the test object is detected, the pressure gauge signal level value is stabilized, the corresponding level is output to the main control MCU, and the main control MCU judges and then outputs the corresponding level judgment value.
In another aspect of the present utility model, a test apparatus is presented, comprising:
a tooling carrier;
the intelligent hardware diagnosis tool with high integration level is integrally arranged in the tool carrier;
and the tool carrier is provided with a power socket and a test object socket.
In another aspect of the present utility model, a test system is also provided, including:
a power supply;
a testing device;
a computer;
the power supply is plugged into the power socket of the test equipment, the plug connector of the test object is plugged into the test object socket, and the main control MCU of the test equipment is in communication connection with the computer.
Compared with the prior art, the utility model can bring the following technical effects:
in order to facilitate engineers to use more efficiently and more conveniently, the novel appearance and the use mode are adopted. The diagnosis tool tests the tested object by simulating a real application scene, feeds test data back to the chip for judgment, and finally outputs a test result through the LED indicator lamp. The test objects such as the water pressure gauge have working voltages output by 24V and 3.6V dual power supplies, can support working voltage tests of the test objects such as the water pressure gauge under two conditions of normal work and water pressure measurement work, integrate signal tests of AD signal sampling and pressure sampling, integrate a plurality of functions on one tool, judge signal values uploaded by a main control MCU through a computer, and realize efficient and concentrated diversified hardware tests.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model, are incorporated in and constitute a part of this specification. The drawings and their description are illustrative of the utility model and are not to be construed as unduly limiting the utility model. In the drawings:
FIG. 1 is a schematic diagram of a tooling application module of the present utility model;
FIG. 2 is a schematic diagram of a switching output circuit of the 24V power supply of the present utility model;
FIG. 3 is a schematic diagram of a 24V to 3.6V conversion output circuit according to the present utility model;
FIG. 4 is a schematic diagram of a circuit for converting 3.6V to 3.3V in accordance with the present utility model;
FIG. 5 is a schematic diagram of the detection circuit under 24V test of the present utility model;
FIG. 6 is a schematic diagram of the detection circuit under the 3.6V test of the present utility model;
FIG. 7 is a schematic diagram of an LED alert circuit of the present utility model;
FIG. 8 is a schematic diagram of a connector circuit of a test object of the present utility model;
FIG. 9 is a schematic diagram of a water outlet condition simulation circuit of the present utility model;
FIG. 10 is a schematic diagram of a 3.3V level control circuit of the present utility model;
fig. 11 is a schematic diagram of the present utility model for inputting a pressure sampling signal into the MCU through PB 14.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the utility model herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In the present utility model, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present utility model and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.
Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present utility model will be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the term "plurality" shall mean two as well as more than two.
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
In this embodiment, reference is made to the circuit diagram in the drawings, and only the principle description of this embodiment is provided. The model number and the like of the electronic device described in the present embodiment are only referred to, such as a chip model number.
Example 1
In order to facilitate engineers to use more efficiently and more conveniently, the novel appearance and the use mode are adopted. The diagnosis tool tests the tested object by simulating a real application scene, feeds test data back to the chip for judgment, and finally outputs a test result through the LED indicator lamp. The test objects such as the water pressure gauge have working voltages output by 24V and 3.6V dual power supplies, can support working voltage tests of the test objects such as the water pressure gauge under two conditions of normal work and water pressure measurement work, integrate signal tests of AD signal sampling and pressure sampling, integrate a plurality of functions on one tool, judge signal values uploaded by a main control MCU through a computer, and realize efficient and concentrated diversified hardware tests.
As shown in fig. 1, in one aspect of the present utility model, a high-integration intelligent hardware diagnosis tool is provided, including:
the power input interface is used for accessing the high-voltage power supply; the high-voltage power supply is used for testing, and is plugged into the power input interface to supply power to the tool;
the power supply conversion circuit is used for supplying power to the main control MCU, the sampling circuit and the test object after converting the high-voltage power supply; the power supply conversion circuit is mainly a voltage reduction circuit with different specifications, realizes the function of a power supply adapter, and reduces the voltage of the connected high-voltage to the required test voltage;
the data conversion interface is used for collecting working current of the test object and sending the working current to the sampling circuit; after the test object is inserted into the tool, power is supplied through the test voltage, after the test object is started, the working current value and the corresponding pressure sampling level signal value of the test object are collected through the corresponding sampling port and then are sent to the main control MCU, and different test types are provided with different data conversion interfaces, such as level signals in working, and the working current value and the corresponding pressure sampling level signal value are collected through the AD sampling port;
the sampling circuit is used for outputting the working current of the test object to the main control MCU for test judgment after the working current is processed by the amplifying circuit; the sampling circuit comprises AD sampling of a test object and sampling signal values of a pressure gauge of the test object, wherein the AD working condition and the pressure gauge signal of the test object such as a water pressure gauge or a water pressure sensor need to be tested, and two sampling circuits are needed; AD sampling and pressure meter sampling of the test object are detailed in the following detailed description of the sampling circuit;
the main control MCU is used for judging according to the level acquired by the AD and outputting a corresponding level judgment value; the MCU chip is a logic operation chip, the sampling level signal value is calculated and then sent to the computer, the computer judges the corresponding test result, the signal fed back by the computer is sent to the LED prompt circuit after being operated by the MCU, and the LED prompt circuit carries out on-off prompt according to the received level value and displays the test result;
and the LED prompt circuit is used for switching on and switching off according to the level judgment value output by the main control MCU and prompting the test result through on and off.
The overall test route is as follows:
the functional test module is provided by the test motherboard and the corresponding components (LEDs, keys and connectors). Before the tool is used for operating the product, the system is in a low-power consumption state; at this time, the button can be used to formally start the performance verification of the product: at the moment, through switching of a relay switch, working current from a test object is processed by an amplifying circuit and then output to an appropriate level for the MCU to perform AD acquisition and judgment, and the result is judged and then the LED on-off display result is controlled by the high-low level. It should be added that the performance verification process not only tests whether the signal loop is through, but also tests the accuracy of the signal value.
As an alternative embodiment of the present utility model, optionally, the power conversion circuit includes:
the 24V power supply conversion circuit is used for converting the high-voltage power supply into 24V output voltage and synchronously used for providing 24V input voltage for the test object and the step-down conversion circuit.
As shown in fig. 2, a 24V power supply conversion output circuit; the V-MD11 simulates the access voltage, and outputs 24V voltage through a left conversion circuit.
As shown in fig. 3, the 24V to 3.6V conversion output circuit. In the same way as above, only the parameter settings of the electronic devices in the circuit are different.
The power supply module is firstly charged with power input by a 24V power adapter, converts high voltage into 24V direct current voltage, and then is used as input voltage and also used as 24V output voltage, and meanwhile, the 24V input voltage is converted into 3.6V output voltage by a buck converter combined circuit, at the moment, 24V and 3.6V are used as output signals of the tool, and then can be used as power supply voltage of a test object.
As an optional embodiment of the present utility model, optionally, the power conversion circuit further includes:
the 3.6V buck conversion circuit is used for converting 24V output voltage into 3.6V output voltage to supply power for the main control MCU and the test object; the 3.6V input voltage supply is synchronously provided for the 3.3V buck combination circuit.
As an optional embodiment of the present utility model, optionally, the power conversion circuit further includes:
and the 3.3V voltage reduction combination circuit is used for converting the 3.6V output voltage into the 3.3V output voltage and supplying power for the sampling circuit and the LED prompt circuit.
As shown in fig. 4, 3.6V is converted to 3.3V by the conversion chip U2.
In this embodiment, the AD detection of the test object is a test under dual voltage output, including 24V output voltage and 3.6V output, and the working AD signal values under different voltages are respectively collected by an AD sampling circuit.
As an alternative embodiment of the present utility model, optionally, the sampling circuit includes an AD sampling circuit, the AD sampling circuit including:
the AD sampling port is used for collecting ADA-MD level signal values of the test object;
the amplifier chip is used for amplifying the acquired ADA-MD level signal value of the test object, outputting a corresponding level to the main control MCU after amplification treatment, and outputting a corresponding level judgment value after judgment by the main control MCU;
wherein, ADA-MD level signal values of the test object include:
an operating current of the test object at 24V voltage and an operating current of the test object at 3.6V voltage.
As shown in FIG. 5, under 24V test, the working circuit value of the test object is collected by the ADA-MD1 collection port, and after amplification treatment by the U3 chip, the VIN outputs corresponding ADA-MD level signal values, and positive and negative electrodes where the V-MD11 and the V-MD10 are located.
As shown in fig. 6, a detection circuit for a test object under 3.6V test. The same applies to the above.
As an alternative embodiment of the present utility model, optionally, the AD sampling chip model is INA128UA.
The LED prompt circuit comprises 24V, 3.6V and a prompt circuit under pressure test.
As shown in fig. 7, the LED hint circuit is 24V, 3.6V test results. If the 24V test is passed, the 24-LED level received at the moment is passed, and the diode D11 emits light, so that the 24V working voltage is normal.
In the LED prompt module, 24_LED/3v6_LED/PRE_P/PWR_ALL receives high and low levels from the MCU, and then the test result is displayed through LED on and off.
As an alternative embodiment of the present utility model, optionally, the sampling circuit includes a pressure sampling circuit, and the pressure sampling circuit includes:
the connector is connected with the plug connector of the test object and is under the working voltage of 3.3V of the test object, and is used for simulating the water outlet condition of the test object and collecting the corresponding signal level value of the pressure gauge;
the 3.3V level control circuit is used for controlling the on-off of the 3.3V high level end;
when the pressure sampling circuit is started, the 3.3V high-level end of the connector is disconnected, if the pressure gauge signal level value of the test object is detected, the pressure gauge signal level value is stabilized, the corresponding level is output to the main control MCU, and the main control MCU judges and then outputs the corresponding level judgment value.
As shown in fig. 8, the connector to be tested is used to transmit data to the test tool and perform discrimination.
As shown in fig. 9, the output water condition analog circuit is configured to output 1.65V level through simple voltage division, with GND terminal at port 2 and 3V3 high level terminal at port 3. Wherein the 1 port corresponds to the In1+ end IN the water pressure sampling circuit, and the actual working condition can be simulated. The 3V3 high level end of the water outlet condition simulation circuit is positioned at the 3.3V high level end, if the water outlet condition simulation circuit is positioned at the 3.3V high level end, after a test is started, the PA11 controls the MOS tube to be disconnected, the 3V3 level is positioned at a low level, the collected pressure meter signal level value 'In1+' is higher than the 3V3 high level end, the 3 ports are IN short circuit, the 1 ports are open, the corresponding low level is output, and the corresponding PB14 port inputs the 'In1+' low level into the MCU for discrimination.
As shown in fig. 10, the 3.3V level control circuit in the pressure sampling circuit controls the MOS transistor to be turned on and off by using PA11 as a control end of the 3V3 level output.
As shown IN fig. 11, in1+ is used as an external input level, and the level is input to the MCU through the PB14 after passing through the combining circuit, so as to determine (whether the high level and the low level correspond to water outlet or not).
The above circuits are integrated on a PCB, and this embodiment will not be described.
Example 2
In another aspect of the present utility model, a test apparatus is presented, comprising:
a tooling carrier;
the intelligent hardware diagnosis tool with high integration level is integrally arranged in the tool carrier;
and the tool carrier is provided with a power socket and a test object socket.
In this embodiment, the tooling carrier is preferably a 3D printed box structure, on which an interface, such as a power socket and an interface of a test object, is reserved, and the integrated circuit board of embodiment 1 is internally mounted.
How to integrate the installation is not considered in this embodiment.
Example 3
In another aspect of the present utility model, a test system is also provided, including:
a power supply;
a testing device;
a computer;
the power supply is plugged into the power socket of the test equipment, the plug connector of the test object is plugged into the test object socket, and the main control MCU of the test equipment is in communication connection with the computer.
In this scheme, when the tool of embodiment 1 is used, an external power supply is required, and the tool is connected with a computer, the result value detected by the MCU motherboard is sent to the computer for judgment, the judgment result is waited for being fed back by the computer, and the corresponding signal value is operated by the MCU and sent to the corresponding LED indication circuit port.
Has the following advantages:
1. a more compact structural appearance. Firstly, the diagnosis tool adopts a 3D printing technology, improves the integral structure of the tool, is simpler in daily maintenance, and is very convenient for engineers to carry and use when going out.
2. Better man-machine interaction experience. In the use process, as the product is applied to a highly integrated and complex use environment, the real application scene can be simulated without excessive equipment by integrating various signals, power supplies, output feedback and the like on the tool during testing.
3. A more compact use panel and an integrated use. By simplifying the interface and the wiring harness on a single panel, the functional test interface is integrated while the panel is simplified, and finally, the complex test contents can be completed through simple operation.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (9)
1. High integrated intelligent hardware diagnosis frock, its characterized in that includes:
the power input interface is used for accessing the high-voltage power supply;
the power supply conversion circuit is used for supplying power to the main control MCU, the sampling circuit and the test object after converting the high-voltage power supply;
the data conversion interface is used for collecting working current of the test object and sending the working current to the sampling circuit;
the sampling circuit is used for outputting the working current of the test object to the main control MCU for test judgment after the working current is processed by the amplifying circuit;
the main control MCU is used for judging according to the level acquired by the AD and outputting a corresponding level judgment value;
and the LED prompt circuit is used for switching on and switching off according to the level judgment value output by the main control MCU and prompting the test result through on and off.
2. The intelligent hardware diagnostic tool of claim 1, wherein the power conversion circuit comprises:
the 24V power supply conversion circuit is used for converting the high-voltage power supply into 24V output voltage; synchronization is used to provide a 24V input voltage to the test object and the buck conversion circuit.
3. The intelligent hardware diagnostic tool of claim 2, wherein the power conversion circuit further comprises:
the 3.6V buck conversion circuit is used for converting 24V output voltage into 3.6V output voltage and supplying power to the main control MCU and the power supply test object; the 3.6V input voltage supply is synchronously provided for the 3.3V buck combination circuit.
4. The intelligent hardware diagnostic tool of claim 3, wherein said power conversion circuit further comprises:
and the 3.3V voltage reduction combination circuit is used for converting the 3.6V output voltage into the 3.3V output voltage and supplying power for the sampling circuit and the LED prompt circuit.
5. The intelligent hardware diagnostic tool of claim 1, wherein the sampling circuit comprises an AD sampling circuit comprising:
the AD sampling port is used for collecting ADA-MD level signal values of the test object;
the amplifier chip is used for amplifying the acquired ADA-MD level signal value of the test object, outputting a corresponding level to the main control MCU after amplification treatment, and outputting a corresponding level judgment value after judgment by the main control MCU;
wherein, ADA-MD level signal values of the test object include:
an operating current of the test object at 24V voltage and an operating current of the test object at 3.6V voltage.
6. The intelligent hardware diagnosis tool with high integration according to claim 5, wherein the model of the AD sampling chip is INA128UA.
7. The intelligent hardware diagnostic tool of claim 1, wherein the sampling circuit comprises a pressure sampling circuit comprising:
the connector is connected with the plug connector of the test object and is under the working voltage of 3.3V of the test object, and is used for simulating the water outlet condition of the test object and collecting the corresponding signal level value of the pressure gauge;
the 3.3V level control circuit is used for controlling the on-off of the 3.3V high level end;
when the pressure sampling circuit is started, the 3.3V high-level end of the connector is disconnected, if the pressure gauge signal level value of the test object is detected, the pressure gauge signal level value is stabilized, the corresponding level is output to the main control MCU, and the main control MCU judges and then outputs the corresponding level judgment value.
8. A test apparatus, comprising:
a tooling carrier;
the high-integration intelligent hardware diagnostic tool of any one of claims 1-7, integrally mounted inside a tool carrier;
and the tool carrier is provided with a power socket and a test object socket.
9. A test system, comprising:
a power supply;
the test device of claim 8;
a computer;
the power supply is plugged into the power socket of the test equipment, the plug connector of the test object is plugged into the test object socket, and the main control MCU of the test equipment is in communication connection with the computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320519292.4U CN219842643U (en) | 2023-03-17 | 2023-03-17 | Intelligent hardware diagnosis tool, test equipment and test system with high integration level |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320519292.4U CN219842643U (en) | 2023-03-17 | 2023-03-17 | Intelligent hardware diagnosis tool, test equipment and test system with high integration level |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219842643U true CN219842643U (en) | 2023-10-17 |
Family
ID=88300529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320519292.4U Active CN219842643U (en) | 2023-03-17 | 2023-03-17 | Intelligent hardware diagnosis tool, test equipment and test system with high integration level |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219842643U (en) |
-
2023
- 2023-03-17 CN CN202320519292.4U patent/CN219842643U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101806857B (en) | Online fault diagnostic apparatus for circuit board | |
| CN205540264U (en) | Vehicle control unit testing arrangement | |
| CN202404164U (en) | Power supply system processor simulation system | |
| CN103149495A (en) | Comprehensive test instrument for testing multi-path conducting wire\connector | |
| CN210803614U (en) | Electric automobile interoperability test equipment | |
| CN106526457A (en) | Circuit board detection instrument and system | |
| CN105890474A (en) | Intelligent fuse safety testing device | |
| CN203149062U (en) | Comprehensive testing instrument used for multipath lead wire/connector test | |
| CN104569697B (en) | A kind of power supply interface detection method for moonlet integration test | |
| CN201212955Y (en) | Detection device for electronic control unit | |
| CN219842643U (en) | Intelligent hardware diagnosis tool, test equipment and test system with high integration level | |
| CN109470961A (en) | A kind of omnipotent detection station of power equipment quality based on modularized design | |
| CN211603442U (en) | Fault positioning detection circuit and detection board device | |
| CN112034280B (en) | Portable platform door system multiplex detection switch testing arrangement | |
| CN107607763A (en) | A kind of analog signal Real-time Collection transmission display system | |
| CN210155335U (en) | Testing device for multimode navigation receiver | |
| CN203520072U (en) | Signal converter assembly detection device | |
| CN112858881A (en) | Circuit fault overhauling device for electronic technology major | |
| CN202336169U (en) | Debugging detection device of automatic fire extinguishing system for fire hazard | |
| CN102375126A (en) | Method, device and system for detecting battery pack sampling module | |
| RU111683U1 (en) | AUTOMATED CONTROL SYSTEM FOR ELECTRICAL CONNECTIONS | |
| CN110989557A (en) | Long-range guided missile test system based on PXI bus | |
| CN218824647U (en) | Driver controller and key-pulling switch comprehensive test bed for rail locomotive | |
| CN220604187U (en) | Automobile fault diagnosis training device | |
| CN104639039A (en) | Small and medium-sized photovoltaic grid-connected inverter single-board automated test platform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |