CN217276880U - Contrast detection device of multipurpose - Google Patents

Contrast detection device of multipurpose Download PDF

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Publication number
CN217276880U
CN217276880U CN202220562066.XU CN202220562066U CN217276880U CN 217276880 U CN217276880 U CN 217276880U CN 202220562066 U CN202220562066 U CN 202220562066U CN 217276880 U CN217276880 U CN 217276880U
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China
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pressure sensor
interface
detection device
transfer mechanism
multipurpose
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CN202220562066.XU
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刘晓民
常雪倩
王金乐
王丙祥
王禹萌
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Weichai Power Co Ltd
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Weichai Power Co Ltd
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Abstract

The utility model discloses a contrast detection device of multipurpose relates to check out test set technical field, has solved the poor problem of current detection device detection accuracy, experimental commonality, has improved pressure sensor detection device's detection accuracy and suitability, and concrete scheme is as follows: the transfer mechanism is at least provided with four ports with controllable opening and closing, the three ports are respectively connected with an engine pressure sensor port, a standard pressure sensor and a pressure simulator, and other ports are connected with a pressure sensor to be detected.

Description

Contrast detection device of multipurpose
Technical Field
The utility model belongs to the technical field of the check out test set technique and specifically relates to a contrast detection device of multipurpose.
Background
The statements herein merely provide background related to the present disclosure and may not necessarily constitute prior art.
The pressure sensor on the engine can reduce the measurement accuracy of the pressure sensor along with the increase of the service time of the pressure sensor, and sometimes the measured pressure value can have pulse sudden change in a short time and then fall back.
The inventor finds that the existing pressure sensor detection device can only detect and judge that the measurement accuracy of the pressure sensor is reduced, and pulse type sudden change of the pressure value is difficult to confirm to be the cause of the sensor, or caused by vibration or medium pulse; the existing detection device cannot be used for dynamic security tests of the engine, because the engine needs to be automatically stopped from normal operation in the dynamic security tests, vibration or medium pulse phenomena can occur, the existing detection device cannot avoid the problem that medium pulse influences pressure sensor detection, the existing detection device for the pressure sensor is not suitable for the dynamic security tests, other test devices need to be adopted for matching tests, and therefore detection complexity and test cost are greatly increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a not enough to prior art exists, the utility model aims at providing a contrast detection device of multipurpose, the transfer mechanism that has the transfer function has been set up, be equipped with the controllable interface of a plurality of switchings in the transfer mechanism, the interface respectively with engine pressure sensor interface, the pressure sensor that awaits measuring, standard pressure sensor and pressure simulator are connected, but utilize standard pressure sensor and the contrast of the pressure sensor that awaits measuring accurate measurement accuracy who detects pressure sensor, and can carry out different testing through controlling different open-ended to close, the problem that current detection device detection accuracy is poor has been solved, it is poor to test the commonality.
In order to achieve the above purpose, the present invention is realized by the following technical solution:
in a first aspect, the embodiment of the utility model provides a contrast detection device of multipurpose, including transfer mechanism, be equipped with four controllable interfaces of switching at least in the transfer mechanism, three interface is connected with engine pressure sensor interface, standard pressure sensor and pressure simulator respectively, and all the other interfaces all are connected with a pressure sensor that awaits measuring.
As a further implementation mode, the interface is connected with the engine pressure sensor interface, the pressure sensor to be measured, the standard pressure sensor and the pressure simulator through rubber hoses.
As a further implementation mode, an external thread is arranged at one end of the rubber hose connected with the interface.
As a further implementation mode, a rubber sealing ring is fixedly arranged in the interface, and a screw hole is formed in the rubber sealing ring.
As a further implementation, the screw hole is matched with the external thread of the rubber hose.
As a further implementation, the interface uses a plug to realize the opening and closing control.
As a further implementation mode, the diameter of the plug is the same as that of a screw hole in the rubber sealing ring, and the plug is provided with threads matched with the rubber sealing ring.
As a further implementation manner, the transfer mechanism is of a box structure and made of a metal material, and the interface is arranged on a side wall of the transfer mechanism.
As a further implementation manner, an opening fan is further arranged on the transfer mechanism, and the opening fan is located on the upper side wall or the lower side wall of the transfer mechanism.
As a further implementation mode, a rubber sealing strip is arranged between the opening fan and the transfer mechanism.
Above-mentioned the utility model has the advantages as follows:
1) the utility model discloses transfer mechanism with the transfer function has been set up, be equipped with the controllable interface of a plurality of switchings in the transfer mechanism, the interface respectively with engine pressure sensor interface, pressure sensor awaits measuring, standard pressure sensor and pressure simulator are connected, but utilize standard pressure sensor and the contrast of pressure sensor that awaits measuring to accurately detect pressure sensor's measurement accuracy, the interference of external factor has been avoided, and can close the break-make that realizes different detecting element through controlling different open-ended, and then realize that the pressure sensor accuracy that awaits measuring measures and the experimental switching of engine developments security, the adaptability of pressure sensor detection device has been improved.
2) The utility model discloses each interface all carries out the control of switching through the plug screw, can realize each detecting element's break-make according to different experimental demands, has improved contrast detection device's adaptability.
3) The utility model discloses be equipped with the rubber seal who has the screw in the interface, can cooperate with the plug, guaranteed the leakproofness of each kneck of transfer mechanism, avoided pressure medium to reveal the detection inefficacy problem that causes.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.
Fig. 1 is a schematic diagram of an overall structure of a multipurpose contrast detecting device according to one or more embodiments of the present invention;
in the figure: the space or size between each other is exaggerated to show the position of each part, and the schematic diagram is only used for illustration;
wherein, 1, a transfer mechanism; 2. a first interface; 3. a second interface; 4. a third interface; 5. a fourth interface; 6. an engine pressure sensor interface; 7. a pressure sensor to be measured; 8. a standard pressure sensor; 9. a pressure simulator; 10. a rubber hose.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
As described in the background art, the conventional pressure sensor detecting device can only detect and judge that the measurement accuracy of the pressure sensor is reduced, and for the occurrence of pulse type sudden change of the pressure value, the pulse type sudden change is difficult to confirm that the sudden change is caused by the self of the sensor, vibration or medium pulse; and current pressure sensor detection device only is applicable to the detection achievement of pressure sensor accuracy, and operating condition is single, can't participate in the use when supporting marine engine is carrying out the experiment of developments security, need adopt other detection device cooperation experimental, greatly increased detect intensity and use cost's problem, for solving above-mentioned problem, the utility model provides a contrast detection device of multipurpose.
Example 1
The utility model discloses an among the typical embodiment, as shown in fig. 1, provided a contrast detection device of multipurpose, include transfer mechanism 1 and connect all kinds of detecting element on transfer mechanism 1, detecting element includes engine pressure sensor interface 6, the pressure sensor 7 that awaits measuring, standard pressure sensor 8 and pressure simulator 9.
Specifically, the transfer mechanism 1 is provided with a plurality of interfaces whose opening and closing can be controlled at will, as shown in fig. 1, in this embodiment, four interfaces are provided, which are a first interface 2, a second interface 3, a third interface 4 and a fourth interface 5, respectively, and the four interfaces are all provided on the transfer mechanism 1.
Wherein, transfer mechanism 1 is the box structure, and transfer mechanism 1 is made by metal materials such as aluminum alloy, steel sheet, has all seted up a plurality of interfaces on transfer mechanism 1's the lateral wall for connect all kinds of detecting element.
It is understood that the number of the interfaces on each side wall of the relay mechanism 1 is designed according to practical requirements, and is not limited too much here.
Because the transfer mechanism 1 plays a role in transferring media such as engine oil, gas and the like, each interface on the transfer mechanism 1 is subjected to sealing treatment, namely rubber sealing rings are arranged in the first interface 2, the second interface 3, the third interface 4 and the fourth interface 5.
Specifically, the shape of the rubber sealing ring is the same as that of the interface, the rubber sealing ring is fixedly arranged in the interface, and the rubber sealing ring is provided with a screw hole.
The transfer mechanism is also provided with a plurality of plugs, the number of the plugs is the same as that of the interfaces on the transfer mechanism 1, the diameter of each plug is the same as that of a screw hole in the rubber sealing ring, the plug is provided with threads matched with the rubber sealing ring, and each interface can be opened or closed by using the plug.
As shown in fig. 1, the first port 2 of the relay mechanism 1 is mainly connected to the engine pressure sensor port 6, and the two ports are communicated with each other by a rubber hose 10, so that when the engine is started, the engine oil can be pressed into the relay mechanism 1 through the rubber hose 10.
The second interface 3 on the transfer mechanism 1 is mainly connected with the pressure sensor 7 to be measured, and the second interface 3 is connected with the pressure sensor 7 to be measured by using a rubber hose 10 and is used for pressing the engine oil in the transfer mechanism 1 into the pressure sensor 7 to be measured.
It can be understood that the second interface 3 sets up one at least, and every second interface 3 all is connected with a pressure sensor 7 that awaits measuring to can detect a plurality of pressure sensors 7 that await measuring simultaneously, improve detection efficiency, can also guarantee the accuracy that contrast detection device detected through the numerical value contrast between a plurality of pressure sensors 7 that await measuring.
The third interface 4 on the transfer mechanism 1 is equipped with one, is connected with standard pressure sensor 8, and standard pressure sensor 8 passes through rubber hose 10 and is connected with third interface 4, when carrying out contrast detection, in the machine oil in the transfer mechanism 1 can get into standard pressure sensor 8 simultaneously to drive simultaneously and await measuring pressure sensor 7 and standard pressure sensor 8.
By comparing the values of the pressure sensor 7 to be detected and the standard pressure sensor 8, whether the pressure sensor 7 to be detected fails or not can be judged, whether the failure reason of the pressure sensor is the reason of the sensor or caused by vibration or medium pulse or not can be judged, the interference of external factors is avoided, and the detection accuracy is improved.
It is understood that an oscilloscope may also be connected to the third interface 4, and the detection and comparison may be performed by the oscilloscope, without any limitation.
The fourth interface 5 on the transfer mechanism 1 is connected with a pressure simulator 9 by a rubber hose 10, the pressure simulator 9 is mainly used for providing adjustable air pressure for the pressure sensor 7 to be detected at the second interface 3 in a dynamic security test so as to drive the pressure sensor 7 to be detected at the second interface 3 to work, the pressure simulator 9 can display an air pressure value, and visibility and accuracy of air pressure regulation are guaranteed.
Because the kneck is through threaded connection, in order to guarantee rubber hose's firm in connection nature and leakproofness, the one end that rubber hose and transfer mechanism 1 are connected is equipped with the external screw thread with rubber seal matched with.
Because transfer mechanism 1 plays is the transfer effect, machine oil in the engine need carry out the transfer through transfer mechanism 1, need guarantee the cleanness in the transfer mechanism 1, consequently, still be equipped with on the transfer mechanism 1 and open fan (not drawn in the figure), open the fan and be located transfer mechanism 1's last lateral wall or down on the lateral wall, specifically set up the position and confirm according to the design requirement, when the inside of transfer mechanism 1 needs to be clean, open and open the fan and wash and can realize.
In order to avoid the opening phenomenon of the opening sash when the opening sash is not used, a latch can be further arranged on the transfer mechanism 1, the latch is used for controlling the opening and closing of the opening sash, the latch is of the existing structure, and the specific structure is not described in detail herein.
It can be understood that the opening fan may also be provided in a drawing structure, and no latch is needed for control, and the specific opening mode of the opening fan may be selected according to design requirements, and is not limited too much here.
In order to guarantee the leakproofness of transfer mechanism 1, open and be equipped with the rubber sealing strip between fan and the transfer mechanism 1, it is concrete, the fixed setting of rubber sealing strip is on opening the side of fan, when guaranteeing the leakproofness, provides the fastness when opening the fan and closing.
The specific working principle is as follows:
the first interface 2, the second interface 3, the third interface 4 and the fourth interface 5 are respectively connected with an engine pressure sensor interface 6, a pressure sensor 7 to be measured, a standard pressure sensor 8 and a pressure simulator through rubber hoses;
when the measurement accuracy of the pressure sensor 7 to be measured is detected, the plug is used for plugging the fourth interface 5 to disconnect the pressure simulator 9, the engine is normally started and used, engine oil in the engine is pressed into the transfer mechanism 1 and respectively pressed into the pressure sensor 7 to be measured and the standard pressure sensor 8 through the rubber hose, the measurement values of the pressure sensor 7 to be measured and the standard pressure sensor 8 are detected in real time, and if the deviation of the measurement values of the two sensors is large, the fault of the pressure sensor 8 to be measured can be judged;
the measurement accuracy of the pressure sensor can be accurately detected by comparing the standard pressure sensor with the pressure sensor to be detected, and the interference of external factors is avoided.
When a dynamic security test is carried out, the first interface 2 and the third interface 4 are plugged by using the plug so as to disconnect the connection between the engine pressure sensor interface 6 and the transfer mechanism 1 and the connection between the standard pressure sensor 8 and the transfer mechanism 1, the pressure simulator 9 is started, and the pressure simulator 9 is used for providing air pressure for the pressure sensor 7 to be tested;
the pressure simulator 9 provides a pressure value provided by the engine during normal operation, in the embodiment, the pressure is 4bar, the pressure sensor 7 to be tested starts the engine after working, the air pressure provided by the pressure simulator 9 is gradually reduced until the engine stops working stably, when the engine can automatically stop, the engine meets the test requirement of the dynamic security test, otherwise, the dynamic security test of the engine is unqualified.
Utilize pressure simulator 9 to provide pressure for pressure sensor 7 that awaits measuring, can realize working pressure's reduction gradually on the one hand to guarantee effectively to carry out dynamic security test, on the other hand can also avoid vibration or medium pulse to treat the influence of pressure sensor 7 that awaits measuring, has guaranteed experimental accuracy.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a contrast detection device of multipurpose, its characterized in that includes transfer mechanism, transfer mechanism is last to be equipped with four controllable interfaces of switching at least, and three interface is connected with engine pressure sensor interface, standard pressure sensor and pressure simulator respectively, and all the other interfaces all are connected with a pressure sensor that awaits measuring.
2. The multipurpose contrast detection device according to claim 1, wherein the interface is connected with the engine pressure sensor interface, the pressure sensor to be detected, the standard pressure sensor and the pressure simulator through rubber hoses.
3. A multi-purpose contrast detecting device according to claim 2, wherein an end of the rubber hose connected to the interface is provided with an external thread.
4. The multipurpose contrast detection device according to claim 3, wherein a rubber sealing ring is fixedly arranged in the interface, and a screw hole is formed in the rubber sealing ring.
5. A multi-purpose contrast detecting device according to claim 4, wherein said screw hole is matched with the external thread of the rubber hose.
6. A multi-purpose contrast detecting device according to claim 4, wherein said interface is controlled to open and close by means of a plug.
7. A multipurpose contrast detection device according to claim 6, wherein the diameter of the plug is the same as the diameter of the screw hole in the rubber seal ring, and the plug is provided with a thread matched with the rubber seal ring.
8. The multipurpose contrast detecting device according to claim 1, wherein the relay mechanism is a box structure made of metal material, and the interface is opened on a side wall of the relay mechanism.
9. A multi-purpose contrast detecting device according to claim 1, wherein an opening fan is further disposed on the transferring mechanism, and the opening fan is disposed on an upper side wall or a lower side wall of the transferring mechanism.
10. A multi-purpose contrast detecting device according to claim 9, wherein a rubber sealing strip is provided between the opening fan and the transferring mechanism.
CN202220562066.XU 2022-03-11 2022-03-11 Contrast detection device of multipurpose Active CN217276880U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220562066.XU CN217276880U (en) 2022-03-11 2022-03-11 Contrast detection device of multipurpose

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220562066.XU CN217276880U (en) 2022-03-11 2022-03-11 Contrast detection device of multipurpose

Publications (1)

Publication Number Publication Date
CN217276880U true CN217276880U (en) 2022-08-23

Family

ID=82861114

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220562066.XU Active CN217276880U (en) 2022-03-11 2022-03-11 Contrast detection device of multipurpose

Country Status (1)

Country Link
CN (1) CN217276880U (en)

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