CN216429811U

CN216429811U - Pressure dynamic detection device for common rail test bed

Info

Publication number: CN216429811U
Application number: CN202220037770.3U
Authority: CN
Inventors: 刘圣龙
Original assignee: Shenzhen Hongdewei Technology Co ltd
Current assignee: Shenzhen Hongdewei Technology Co ltd
Priority date: 2022-01-08
Filing date: 2022-01-08
Publication date: 2022-05-03
Anticipated expiration: 2032-01-08

Abstract

The utility model relates to a common rail test bench pressure dynamic detection device, including control circuit, wiring circuit and electronic plate body, the top fixed mounting of electronic plate body has pressure sensor, the top fixed mounting of electronic plate body has main control chip. This common rail test bench pressure dynamic verification device, through setting up pressure sensors, pressure value inductor and electrical apparatus connection inductor, unusual risk in order to reduce personnel's operation, need carry out pressure dynamic verification to the sprayer inside, improved the detection requirement and the response speed to sprayer pressure, carry out data input and demonstration through setting up the touch-sensitive screen, can be more directly perceived, vividly monitor the system, mainly to the integrated analysis of data collection, including the pressure value, the sudden change of pressure, electrical apparatus connectivity's is unusual, in time judge the abnormal conditions of system and take the shut down, emergency measures such as outage, life safety for guarantee operating personnel.

Description

Pressure dynamic detection device for common rail test bed

Technical Field

The utility model relates to a common rail test bench technical field specifically is common rail test bench pressure dynamic verification device.

Background

The common rail fuel injector test bed is characterized in that a high-pressure common rail system controller has the function of simulating a diesel engine and simultaneously provides common rail system control signals such as Bosch, Delfu, Siemens and the like to drive a high-pressure common rail fuel pump and a high-pressure common rail fuel injector to work, a drive signal parameter user can set according to the actual situation of the user and can store the drive signal parameters in groups, a maintenance worker can conveniently judge and maintain the working state of the high-pressure common rail system, an independent special socket is used and is reliably grounded, if the power supply voltage is unstable, the controller is required to be connected with a power supply voltage stabilizer for use, whether an alternating current power supply line is damaged or not needs to be regularly checked for long-term use, and no dust is accumulated on a power supply plug or the power supply socket.

The common rail test bed needs to establish ultrahigh pressure when working for simulating the pressure of actual work of an automobile, so that the abnormal risk of a worker during operation needs to be increased, the detection requirement on an oil sprayer needs to be improved, and the human body is greatly threatened.

SUMMERY OF THE UTILITY MODEL

The utility model provides a to prior art not enough, the utility model provides a common rail test bench pressure dynamic verification device possesses advantages such as better sprayer detection device, has solved and has incompletely possessed better detection device, examines the problem to the sprayer.

For realizing above-mentioned better sprayer detection device purpose, the utility model provides a following technical scheme: the pressure dynamic detection device of the common rail test bed comprises a control circuit, a wiring circuit and an electronic board body, wherein a pressure sensor is fixedly installed at the top of the electronic board body, a main control chip is fixedly installed at the top of the electronic board body, a data transmission chip is fixedly installed at the top of the electronic board body, and an electronic component is fixedly installed at the top of the electronic board body;

the wiring circuit is provided with a first photoelectric isolation interface, a second photoelectric isolation interface and a third photoelectric isolation interface, an output port of the first photoelectric isolation interface is electrically connected with a power-off processing device and an alarm device, an output port of the second photoelectric isolation interface is electrically connected with a PC (personal computer), an output port of the second photoelectric isolation interface is electrically connected with a touch screen, and the touch screen bidirectional storage equipment is electrically connected;

the control circuit comprises a processor, wherein an output port of the processor is electrically connected with an analog input module, a digital output module, a communication module and a digital input module, and an input port of the analog input module is electrically connected with a pressure sensor, a pressure value sensor and an electrical appliance connection sensor.

Furthermore, the pressure sensor, the pressure value sensor and the electric appliance connection sensor are all in bidirectional electric connection with the oil sprayer.

Furthermore, the output end of the digital output module is connected with the photoelectric isolation interface I, and the communication modules are all in bidirectional electric connection with the photoelectric isolation interface I.

Furthermore, the electronic board body, the pressure sensor, the main control chip, the data transmission chip and the electronic component are all electrically connected.

Further, the control circuit and the connecting circuit are fixedly installed at the top of the main control device.

Furthermore, the input port of the digital input module is a photoelectric isolation interface III.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

the pressure dynamic detection device of the common rail test bed is provided with a pressure sensor, a pressure value sensor and an electrical appliance connection sensor, because the common rail test bed needs to establish ultrahigh pressure when working to simulate the pressure of the actual work of an automobile, in order to reduce abnormal risk when a person operates, when the common rail test bed is used, the pressure dynamic detection needs to be carried out on the interior of an oil sprayer, the detection requirement and the response speed of the pressure of the oil sprayer are improved, the pressure sensor, the pressure value sensor and the electrical appliance connection sensor are all connected with a main control device through a wiring circuit, signals detected by the pressure sensor, the pressure value sensor and the electrical appliance connection sensor are uniformly analyzed and processed by the main control device, a power-off processing device and an alarm device are respectively controlled according to the analysis and processing result, and data can be stored in real time through the arranged storage device, convenient subsequent consulting, the analysis, carry out data input and demonstration through the touch-sensitive screen, can be more directly perceived, vividly monitor the system, mainly to the integrated analysis of data collection, including the pressure value, the sudden change of pressure, the unusual of electrical apparatus connection performance, in time judge the abnormal conditions of system and take the shut down, emergency measures such as outage, this pressure dynamic verification device can judge pressure sensor's damage, the plug is unusual or contact failure, the sudden improvement or the reduction of pressure, unusual phenomena such as pressure overrange use are used for ensureing operating personnel's life safety.

Drawings

FIG. 1 is a system diagram of a pressure detection device of a common rail test stand according to the present invention;

FIG. 2 is a schematic diagram of the electronic board structure of the present invention;

in the figure: the pressure sensor comprises an electronic board body 1, a pressure sensor 2, a main control chip 3, a data transmission chip 4 and an electronic component 5.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the pressure dynamic detection device of the common rail test bed in the embodiment includes a control circuit, a wiring circuit and an electronic board body 1, and is characterized in that: the pressure sensor 2 is fixedly installed at the top of the electronic board body 1, the main control chip 3 is fixedly installed at the top of the electronic board body 1, the data transmission chip 4 is fixedly installed at the top of the electronic board body 1, and the electronic component 5 is fixedly installed at the top of the electronic board body 1;

the wiring circuit is provided with a first photoelectric isolation interface, a second photoelectric isolation interface and a third photoelectric isolation interface, an output port of the first photoelectric isolation interface is electrically connected with a power-off processing device and an alarm device, an output port of the second photoelectric isolation interface is electrically connected with a PC, an output port of the second photoelectric isolation interface is electrically connected with a touch screen, data input and display are carried out through the touch screen, the system can be monitored more visually and vividly, the comprehensive analysis of collected data is mainly carried out, the comprehensive analysis comprises pressure value, sudden change of pressure and abnormity of electric appliance connection performance, the abnormity condition of the system is judged in time, emergency measures such as shutdown and power-off are taken, the pressure dynamic detection device can judge the abnormal phenomena such as damage of a pressure sensor, abnormal plug or poor contact, sudden increase or decrease of pressure, use of pressure beyond the range and the like so as to ensure the life safety of operators, the touch screen bidirectional storage equipment is electrically connected, and data can be stored in real time through the arranged storage equipment, so that subsequent reference and analysis are facilitated;

control circuit includes the treater, treater delivery outlet electricity is connected with analog input module, digital output module, communication module and digital input module, analog input module input port electricity is connected with pressure sensor, pressure value inductor and electrical apparatus connection inductor, through setting up pressure sensor, pressure value inductor and electrical apparatus connection inductor, because the common rail test bench need establish super high pressure in the work, pressure for simulating the actual work of car, in order to reduce the unusual risk when personnel operate, so use the common rail test bench and make, need to the inside pressure dynamic verification that carries on of sprayer, the detection requirement and the response speed to sprayer pressure have been improved.

When in implementation, the method comprises the following steps:

1) the pressure sensor, the pressure value sensor and the electrical appliance connection sensor are connected with the main control equipment through the wiring circuit;

2) then, signals detected by the pressure sensor, the pressure value sensor and the electric appliance connection sensor are analyzed and processed by the main control equipment;

3) respectively controlling a power-off processing device and an alarm device according to the analysis processing result;

4) and finally, the touch screen is arranged for data input and display, so that the system can be monitored more visually and vividly.

In summary, the pressure dynamic detection device of the common rail test bed is provided with the pressure sensor, the pressure value sensor and the electrical connection sensor, because the common rail test bed needs to establish ultrahigh pressure during working to simulate the pressure of the actual working of an automobile, in order to reduce abnormal risks during operation of personnel, when the common rail test bed is used, the pressure dynamic detection needs to be carried out on the internal pressure of an oil injector, so that the detection requirement and the response speed of the pressure of the oil injector are improved, the pressure sensor, the pressure value sensor and the electrical connection sensor are all connected with the main control equipment through the wiring circuit, signals detected by the pressure sensor, the pressure value sensor and the electrical connection sensor are analyzed and processed by the main control equipment, the power-off processing device and the alarm device are respectively controlled according to the analysis and processing result, and through the arranged storage equipment, can real-time storage data, convenient subsequent looking up, the analysis, carry out data input and demonstration through setting up the touch-sensitive screen, can be more directly perceived, the vivid system of monitoring, mainly to the integrated analysis of data collection, including the pressure value, the sudden change of pressure, the unusual of electrical apparatus connection performance, in time judge the abnormal conditions of system and take the shut down, emergency measures such as outage, this pressure dynamic verification device can judge pressure sensor's damage, the plug is unusual or contact failure, the sudden increase or the reduction of pressure, unusual phenomena such as pressure overrange use are used for ensureing operating personnel's life safety.

It is noted that, herein, 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. Also, 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 phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Pressure dynamic detection device of common rail test bed, including control circuit, wiring circuit and electronic plate body (1), its characterized in that: the pressure sensor (2) is fixedly mounted at the top of the electronic board body (1), the main control chip (3) is fixedly mounted at the top of the electronic board body (1), the data transmission chip (4) is fixedly mounted at the top of the electronic board body (1), and the electronic component (5) is fixedly mounted at the top of the electronic board body (1);

the wiring circuit is provided with a photoelectric isolation interface I, a photoelectric isolation interface II and a photoelectric isolation interface III, an output port of the photoelectric isolation interface I is electrically connected with a power-off processing device and an alarm device, an output port of the photoelectric isolation interface II is electrically connected with a PC (personal computer), an output port of the photoelectric isolation interface II is electrically connected with a touch screen, and the touch screen bidirectional storage equipment is electrically connected;

2. The pressure dynamic detection device for a common rail test stand according to claim 1, characterized in that: the pressure sensor, the pressure value sensor and the electric appliance connection sensor are all in bidirectional electric connection with the oil sprayer.

3. The pressure dynamic detection device for a common rail test stand according to claim 1, characterized in that: the output end of the digital output module is connected with the photoelectric isolation interface I, and the communication modules are all in bidirectional electric connection with the photoelectric isolation interface I.

4. The pressure dynamic detection device for a common rail test stand according to claim 1, characterized in that: the electronic board body (1), the pressure sensor (2), the main control chip (3), the data transmission chip (4) and the electronic component (5) are all electrically connected.

5. The pressure dynamic detection device for a common rail test stand according to claim 1, characterized in that: and the control circuit and the connecting circuit are fixedly arranged at the top of the main control equipment.

6. The pressure dynamic detection device for a common rail test stand according to claim 1, characterized in that: and the input port of the digital input module is a photoelectric isolation interface III.