CN214843978U - Detection device - Google Patents
Detection device Download PDFInfo
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- CN214843978U CN214843978U CN202120778071.XU CN202120778071U CN214843978U CN 214843978 U CN214843978 U CN 214843978U CN 202120778071 U CN202120778071 U CN 202120778071U CN 214843978 U CN214843978 U CN 214843978U
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- regulating valve
- detection device
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- pressure regulating
- signal generator
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Abstract
The utility model discloses a detection device, which comprises a control unit, a signal generator and a pressure sensor; the signal generator is respectively electrically connected with the direct-current power supply, the control unit and the to-be-detected electric pressure regulating valve and is used for generating pulse signals; the pressure sensor is electrically connected with the direct-current power supply, the to-be-detected electric pressure regulating valve and the control unit and is used for detecting the pressure value of the to-be-detected electric pressure regulating valve; the control unit is electrically connected with the electrical pressure regulating valve to be detected and is used for acquiring electrical signals output by the signal generator, the electrical pressure regulating valve to be detected and the pressure sensor and judging whether the electrical pressure regulating valve to be detected breaks down or not based on the acquired electrical signals. The utility model provides an unable direct, the quick technical problem whether break down of judgement electrical air-vent valve among the prior art, realized can be direct, the quick technological effect whether break down of judgement electrical air-vent valve, improved troubleshooting's analysis efficiency.
Description
Technical Field
The embodiment of the utility model provides a relate to electrical pressure regulating valve detection technology field, especially relate to a detection device.
Background
The electric control system of the present series engine with the electrically controlled air release valve supercharger is complex and is used as a controller of the air release valve of the supercharger, and the normal work of the electric pressure regulating valve is easily affected by the output signal of the ECU, a wire harness, external interference, the state of parts of the pressure regulating valve and the like, so that once the electric pressure regulating valve fails to work normally, the troubleshooting analysis process becomes very complex and the problem processing efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model provides a detection device has solved the technical problem whether the electric air-vent valve of unable directness, quick judgement breaks down among the prior art.
The embodiment of the utility model provides a detection device, detection device includes the control unit, signal generator and pressure sensor;
the signal generator is respectively electrically connected with the direct-current power supply, the control unit and the to-be-detected electric pressure regulating valve and is used for generating pulse signals;
the pressure sensor is electrically connected with the direct-current power supply, the electrical pressure regulating valve to be detected and the control unit and is used for detecting the pressure value of the electrical pressure regulating valve to be detected;
the control unit is electrically connected with the electrical pressure regulating valve to be detected and is used for acquiring electrical signals output by the signal generator, the electrical pressure regulating valve to be detected and the pressure sensor and judging whether the electrical pressure regulating valve to be detected breaks down or not based on the acquired electrical signals.
Further, the detection device also comprises a display unit which is electrically connected with the control unit; and the display unit displays the signal generator, the electric pressure regulating valve to be detected and the electric signals output by the pressure sensor under the control of the control unit.
Further, the display unit comprises a first oscilloscope, a second oscilloscope and a pressure gauge;
the first oscilloscope is electrically connected with the signal generator and is used for displaying the pulse signals output by the signal generator;
the second oscilloscope is electrically connected with the electrical pressure regulating valve to be tested and is used for displaying a feedback signal output by the electrical pressure regulating valve to be tested;
the pressure gauge is electrically connected with the pressure sensor and used for displaying the pressure value measured by the pressure sensor.
Furthermore, the detection device further comprises a power switch, and the power switch is arranged between the direct current power supply and the signal generator.
Further, the detection device further comprises a voltage conversion unit; the voltage conversion unit is electrically connected with the direct current power supply and the display unit respectively;
the voltage conversion unit is used for converting a first voltage output by the direct-current power supply into a second voltage required by the display unit.
Further, the detection device further comprises an indicator light; the indicator light is electrically connected with the direct current power supply and used for indicating whether the detection device is communicated with the direct current power supply or not.
Further, the detection device further comprises a shell, and the control unit, the signal generator and the pressure sensor are all arranged in the shell.
Further, the housing further comprises a first window, a second window and a third window;
the display screen of the first oscilloscope is arranged on the first window;
the display screen of the second oscilloscope is arranged on the second window;
and the display screen of the pressure gauge is arranged in the third window.
Furthermore, the detection device also comprises at least one reserved interface, and the reserved interface is arranged on the surface of the shell.
Furthermore, the detection device also comprises a human-computer interaction unit; the human-computer interaction unit is arranged on the surface of the shell; the human-computer interaction unit is electrically connected with the signal generator.
The utility model discloses a detection device, which comprises a control unit, a signal generator and a pressure sensor; the signal generator is respectively electrically connected with the direct-current power supply, the control unit and the to-be-detected electric pressure regulating valve and is used for generating pulse signals; the pressure sensor is electrically connected with the direct-current power supply, the to-be-detected electric pressure regulating valve and the control unit and is used for detecting the pressure value of the to-be-detected electric pressure regulating valve; the control unit is electrically connected with the electrical pressure regulating valve to be detected and is used for acquiring electrical signals output by the signal generator, the electrical pressure regulating valve to be detected and the pressure sensor and judging whether the electrical pressure regulating valve to be detected breaks down or not based on the acquired electrical signals. The utility model provides an unable direct, the quick technical problem whether break down of judgement electrical air-vent valve among the prior art, realized can be direct, the quick technological effect whether break down of judgement electrical air-vent valve, improved troubleshooting's analysis efficiency.
Drawings
Fig. 1 is a structural diagram of a detection device according to an embodiment of the present invention;
fig. 2 is a structural diagram of another detecting device provided in the embodiment of the present invention;
fig. 3 is a circuit diagram of a detection device according to an embodiment of the present invention;
fig. 4 is an external view of a detecting device according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
It should be noted that the terms "first", "second", and the like in the description and claims of the present invention and the accompanying drawings are used for distinguishing different objects, and are not intended to limit a specific order. The embodiments of the present invention can be implemented individually, and can be implemented by combining each other between the embodiments, and the embodiments of the present invention are not limited to this.
Fig. 1 is a structural diagram of a detection device according to an embodiment of the present invention.
As shown in fig. 1, the detection device includes a control unit 10, a signal generator 20, and a pressure sensor 30; the signal generator 20 is respectively electrically connected with the direct current power supply 40, the control unit 10 and the electrical pressure regulating valve 50 to be tested and is used for generating pulse signals; the pressure sensor 30 is electrically connected with the direct-current power supply 40, the electrical pressure regulating valve 50 to be detected and the control unit 10 and is used for detecting the pressure value of the electrical pressure regulating valve 50 to be detected; the control unit 10 is electrically connected to the electrical pressure regulating valve 50 to be measured, and is configured to acquire electrical signals output by the signal generator 20, the electrical pressure regulating valve 50 to be measured, and the pressure sensor 30, and determine whether the electrical pressure regulating valve 50 to be measured has a fault based on the acquired electrical signals.
Specifically, the dc power source 40 is usually 24V dc power and is used for supplying power to the signal generator 20 and the pressure sensor 30, when the power source is turned on, the signal generator 20 sends a pulse signal to the electrical pressure regulating valve 50 to be measured, the electrical pressure regulating valve 50 to be measured outputs an electrical signal after receiving the pulse signal sent by the signal generator 20, meanwhile, the pressure sensor 30 detects a pressure value of the electrical pressure regulating valve 50 to be measured and transmits the detected pressure value to the control unit 10, the control unit 10 obtains the pulse signal generated by the signal generator 20, the electrical signal output by the electrical pressure regulating valve 50 to be measured and the pressure value transmitted by the pressure sensor 30 in real time, and then determines whether the electrical pressure regulating valve 50 to be measured fails or not based on the obtained signal values.
It should be noted that the control unit 10 may be a single chip microcomputer, or may also be an electrical device having control and arithmetic processing functions, such as an upper computer, and the connection between the control unit 10 and the signal generator 20, the pressure sensor 30, and the electrical pressure regulating valve 50 to be measured may be a wireless communication connection, or may be a wired connection as required, which is not described herein again.
Illustratively, if the duty ratio of the pulse signal generated by the signal generator 20 acquired by the control unit 10 is X, and the electrical signal output by the electrical pressure regulating valve 50 to be tested is B%, and B% is 10%, the control unit 10 further determines whether the pressure value Y output by the pressure sensor 30 satisfies Y being 3.75 × X +12.5(kPa), and if so, it indicates that the state of the electrical pressure regulating valve 50 to be tested is normal, otherwise, it indicates that the electrical pressure regulating valve 50 to be tested is faulty, and further fault analysis needs to be performed.
The utility model provides an unable direct, the quick technical problem whether break down of judgement electrical air-vent valve among the prior art, realized can be direct, the quick technological effect whether break down of judgement electrical air-vent valve, improved troubleshooting's analysis efficiency.
Fig. 2 is a structural diagram of another detection device according to an embodiment of the present invention.
Optionally, as shown in fig. 2, the detection device further includes a display unit 60, and the display unit 60 is electrically connected to the control unit 10; the display unit 60 displays the electric signals output from the signal generator 20, the electric pressure regulating valve 50 to be measured, and the pressure sensor 30 under the control of the control unit 10.
For example, the display unit 60 may be a liquid crystal display, an oscilloscope, an instrument panel, or other devices capable of displaying electrical signals, and is configured to display the electrical signals output by each device in a form of numerical values, waveforms, or other required forms under the control of the control unit 10 after the control unit 10 acquires the electrical signals output by the signal generator 20, the electrical pressure regulating valve 50 to be measured, and the pressure sensor 30, so that a worker can read the required signals in real time.
Fig. 3 is a circuit diagram of a detection apparatus according to an embodiment of the present invention. By way of example, fig. 3 does not show a schematic representation of the control unit 10.
Alternatively, as shown in fig. 3, the display unit 60 includes a first oscilloscope 61, a second oscilloscope 62, and a pressure gauge 63; the first oscilloscope 61 is electrically connected with the signal generator 20 and is used for displaying the pulse signals output by the signal generator 20; the second oscilloscope 62 is electrically connected to the electrical pressure regulating valve 50 to be measured, and is configured to display a feedback signal output by the electrical pressure regulating valve 50 to be measured; the pressure gauge 63 is electrically connected to the pressure sensor 30 and displays the pressure value measured by the pressure sensor 30.
Specifically, the display unit 60 may include a plurality of oscilloscopes, i.e., the first oscilloscope 61 and the second oscilloscope 62, for displaying the pulse signal output by the signal generator 20 and the feedback signal output by the electrical pressure regulating valve 50 to be measured, respectively, and the display unit 60 may further include a pressure gauge 63 for displaying the pressure value measured by the pressure sensor 30.
Optionally, the control unit 10 is further configured to perform self-check on the detection device based on the acquired electrical signals output by the signal generator 20, the electrical pressure regulating valve 50 to be tested, and the pressure sensor 30.
Illustratively, if the duty ratio of the pulse signal output by the signal generator 20 is set to X, the value range of X is 10% to 90%, and the values of the electrical signals output by the signal generator 20, the electrical pressure regulating valve 50 to be detected, and the pressure sensor 30, which are acquired by the control unit 10, are a (%), B (%), and y (kpa), respectively, that is, the values displayed by the first oscilloscope 61, the second oscilloscope 62, and the pressure gauge 63 are a (%), B (%), and y (kpa), if a ═ X, it indicates that the state of the detection device is normal, otherwise, it indicates that the state of the detection device is abnormal, and the detection tool needs to be replaced to detect the electrical pressure regulating valve 50 to be detected.
Optionally, as shown in fig. 2 and 3, the detection device further includes a power switch 70, and the power switch 70 is disposed between the dc power supply 40 and the signal generator 20.
Specifically, the power switch 70 may be a double-pole switch with a linkage function, referring to fig. 3, a first end of the power switch 70 is connected to the positive electrode of the dc power source 40, a second end is connected to the signal generator 20, a third end is connected to the negative electrode of the dc power source 40, and a fourth end is connected to the signal generator 20, and obviously, when the first end and the second end of the power switch 70 are closed, the third end and the fourth end are also closed in a linkage manner, so that the signal generator 20 and the dc power source 40 are communicated with each other.
Optionally, as shown in fig. 2 and 3, the detection apparatus further includes a voltage conversion unit 80; the voltage conversion unit 80 is electrically connected to the dc power supply 40 and the display unit 60, respectively; the voltage conversion unit 80 is used for converting the first voltage output by the dc power supply 40 into a second voltage required by the display unit 60.
Illustratively, as shown in fig. 3, the dc power supply 40 is usually 24V dc power for supplying power to the signal generator 20, the pressure sensor 30, the electrical pressure regulating valve 50 to be measured, etc., but the display device such as an oscilloscope and a pressure gauge in the display unit 60 does not need too high voltage, so the voltage conversion unit 80 is provided to convert the 24V dc power of the dc power supply 40 into 5V dc power for supplying power to the first oscilloscope 61, the second oscilloscope 62 and the pressure gauge 63. The voltage conversion unit 80 is connected to the positive electrode 24V voltage and the negative electrode ground GND of the dc power supply 40, respectively, and after converting the 24V dc power into the 5V dc power, the 5V voltage is connected to the first oscilloscope 61, the second oscilloscope 62, and the pressure gauge 63, and the ground GND is also connected to the first oscilloscope 61, the second oscilloscope 62, and the pressure gauge 63.
Optionally, as shown in fig. 2 and 3, the detection device further includes an indicator light 90; the indicator light 90 is electrically connected to the dc power source 40 for indicating whether the detection device is in communication with the dc power source 40.
Specifically, the detection device is further provided with an indicator lamp 90, referring to fig. 3, a negative electrode of the dc power supply 40 is grounded, one end of the indicator lamp 90 is connected to a positive electrode of the dc power supply 40, and the other end is connected to a negative electrode of the dc power supply 40. When the power switch 70 is closed, the indicator lamp 90 is turned on to indicate that the detection device is communicated with the dc power source 40, and the detection device is powered on to start detecting the electrical pressure regulating valve 50 to be detected.
Fig. 4 is an external view of a detecting device according to an embodiment of the present invention.
Optionally, as shown in fig. 4, the detection device further includes a housing 100, and the control unit 10, the signal generator 20 and the pressure sensor 30 are disposed in the housing 100.
Specifically, the casing 100 of the detection device is usually made of plastic, and the control unit 10, the signal generator 20, the pressure sensor 30, and the like are disposed in the casing 100, so that the detection device is small and light in size, and convenient to carry and install.
Optionally, as shown in fig. 4, the housing 100 further includes a first window 101, a second window 102, and a third window 103; the display screen of the first oscilloscope 61 is arranged in the first window 101; the display screen of the second oscilloscope 62 is arranged in the second window 102; the display screen of the pressure gauge 63 is arranged in the third window 103.
Specifically, referring to fig. 4, by providing a plurality of windows on the housing 100 and embedding the display screens of the respective display devices in the display unit 60 in the windows, the worker can intuitively and conveniently read required parameters.
Optionally, as shown in fig. 4, the detection apparatus further includes at least one reserved interface 104, and the reserved interface 104 is disposed on the surface of the housing 100.
Fig. 4 shows an external view of a detection device provided with two reserved interfaces 104, through which the detection device can be connected with other instruments, devices and the like that need to be connected in an expanded manner, such as an upper computer.
Optionally, as shown in fig. 4, the detection apparatus further includes a human-computer interaction unit 110; the man-machine interaction unit 110 is arranged on the surface of the shell 100; the human-computer interaction unit 110 is electrically connected with the signal generator 20.
Specifically, the human-computer interaction unit 110 may be a button, a touch display screen, or the like, which may implement inputting instructions to the detection device, and referring to fig. 4, a schematic diagram of the human-computer interaction unit 110 being a button is exemplarily shown in fig. 4. The frequency, duty ratio, etc. of the pulse signal output by the signal generator 20 can be adjusted by the human-computer interaction unit 110. Generally, the frequency range of the pulse signal output by the signal generator 20 is 45Hz to 450Hz, and the duty ratio range is 10% to 90%.
Optionally, as shown in fig. 3, the detection device further includes a compressed air pump 120 connected to the electrical pressure-regulating valve 50 to be measured through a compressed air line (the dashed line in fig. 3 represents a compressed air line) for compressing air to regulate pressure.
The function of the detection device is described in detail below with a specific embodiment.
Illustratively, the power switch 70 of the detection device is closed, the power is turned on, the indicator lamp 90 is turned on, the frequency of the signal generator 20 is set to be F and the duty ratio is set to be X through the human-computer interaction unit 110, readings of the first oscilloscope 61, the second oscilloscope 62 and the pressure gauge 63 at the moment are recorded to be a (%), B (%), y (kpa), and if the reading a of the first oscilloscope 61 is set to be X, the detection device is normal, and the self-detection of the detection device is completed; if the indication B% of the second oscilloscope 62 is 10% and the indication Y of the pressure gauge 63 is 3.75 × X +12.5(kPa), it indicates that the electrical pressure regulating valve 50 to be measured is normal, otherwise, it indicates that the electrical pressure regulating valve 50 to be measured is abnormal, and further fault analysis is required.
The embodiment of the utility model provides an in, the common fault phenomenon of the electrical air-vent valve 50 that awaits measuring is out of work, and the fault reason that needs to distinguish usually for the out of work of the electrical air-vent valve 50 that distinguishes that awaits measuring leads to for its trouble itself, all the other electrical air-vent valve 50 that awaits measuring that leads to such problems as pencil, ECU output signal, external disturbance still need the diagnosis of other specialty to guide out of work. Therefore, the utility model provides a detection that detection device goes on to the electrical air-vent valve 50 that awaits measuring can realize the quick elimination whether the electrical air-vent valve 50 that awaits measuring breaks down itself, has avoided wasting too much check-out time on the electrical air-vent valve 50 that normally awaits measuring, has also avoided the erroneous judgement of the fault source that the investigation leads to totally.
The utility model discloses a detection device directly detects the electrical air-vent valve 50 that awaits measuring, can get rid of ECU output signal, pencil, external disturbance etc. to the unusual influence of the electrical air-vent valve 50 work that awaits measuring, can realize the suspected trouble of the electrical air-vent valve 50 that awaits measuring of quick investigation, when having promoted troubleshooting analysis efficiency, can effectively avoid the misjudgement of suspected fault.
In the description of the embodiments of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Finally, it should be noted that the above description is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. A detection device is characterized by comprising a control unit, a signal generator and a pressure sensor;
the signal generator is respectively electrically connected with the direct-current power supply, the control unit and the to-be-detected electric pressure regulating valve and is used for generating pulse signals;
the pressure sensor is electrically connected with the direct-current power supply, the electrical pressure regulating valve to be detected and the control unit and is used for detecting the pressure value of the electrical pressure regulating valve to be detected;
the control unit is electrically connected with the electrical pressure regulating valve to be detected and is used for acquiring electrical signals output by the signal generator, the electrical pressure regulating valve to be detected and the pressure sensor and judging whether the electrical pressure regulating valve to be detected breaks down or not based on the acquired electrical signals.
2. The detection device according to claim 1, further comprising a display unit electrically connected to the control unit; and the display unit displays the signal generator, the electric pressure regulating valve to be detected and the electric signals output by the pressure sensor under the control of the control unit.
3. The detection device according to claim 2, wherein the display unit comprises a first oscilloscope, a second oscilloscope and a pressure gauge;
the first oscilloscope is electrically connected with the signal generator and is used for displaying the pulse signals output by the signal generator;
the second oscilloscope is electrically connected with the electrical pressure regulating valve to be tested and is used for displaying a feedback signal output by the electrical pressure regulating valve to be tested;
the pressure gauge is electrically connected with the pressure sensor and used for displaying the pressure value measured by the pressure sensor.
4. The detection device of claim 1, further comprising a power switch disposed between the dc power source and the signal generator.
5. The detection device according to claim 2, further comprising a voltage conversion unit; the voltage conversion unit is electrically connected with the direct current power supply and the display unit respectively;
the voltage conversion unit is used for converting a first voltage output by the direct-current power supply into a second voltage required by the display unit.
6. The detection device of claim 1, further comprising an indicator light; the indicator light is electrically connected with the direct current power supply and used for indicating whether the detection device is communicated with the direct current power supply or not.
7. The sensing device of claim 3, further comprising a housing, wherein the control unit, the signal generator, and the pressure sensor are disposed within the housing.
8. The detection device of claim 7, wherein the housing further comprises a first window, a second window, and a third window;
the display screen of the first oscilloscope is arranged on the first window;
the display screen of the second oscilloscope is arranged on the second window;
and the display screen of the pressure gauge is arranged in the third window.
9. The detection device of claim 7, further comprising at least one reservation port disposed on a surface of the housing.
10. The detection device according to claim 7, wherein the detection device further comprises a human-computer interaction unit; the human-computer interaction unit is arranged on the surface of the shell; the human-computer interaction unit is electrically connected with the signal generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120778071.XU CN214843978U (en) | 2021-04-15 | 2021-04-15 | Detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120778071.XU CN214843978U (en) | 2021-04-15 | 2021-04-15 | Detection device |
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| Publication Number | Publication Date |
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| CN214843978U true CN214843978U (en) | 2021-11-23 |
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| CN202120778071.XU Active CN214843978U (en) | 2021-04-15 | 2021-04-15 | Detection device |
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| CN (1) | CN214843978U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114607518A (en) * | 2022-03-22 | 2022-06-10 | 潍柴动力股份有限公司 | Electrical pressure regulating valve failure detection method and vehicle |
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2021
- 2021-04-15 CN CN202120778071.XU patent/CN214843978U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114607518A (en) * | 2022-03-22 | 2022-06-10 | 潍柴动力股份有限公司 | Electrical pressure regulating valve failure detection method and vehicle |
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