CN209264174U - A kind of automotive natural gas component buffer tank pressure detection device - Google Patents
A kind of automotive natural gas component buffer tank pressure detection device Download PDFInfo
- Publication number
- CN209264174U CN209264174U CN201822160554.4U CN201822160554U CN209264174U CN 209264174 U CN209264174 U CN 209264174U CN 201822160554 U CN201822160554 U CN 201822160554U CN 209264174 U CN209264174 U CN 209264174U
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- shell
- natural gas
- slide plate
- gas component
- buffer tank
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Abstract
The utility model discloses a kind of automotive natural gas component buffer tank pressure detection devices, including shell, pressure sensor, the pressure sensor is provided in the shell, the pressure sensor side is provided with signal picker, the signal picker side is provided with signal amplifier, pore-forming hole is provided in the shell, slide plate is provided in the molding hole, the slide plate side is provided with spring, the slide plate side is provided with electrode, the motor side is provided with resistance, the resistance side is provided with voltage detecting circuit, the shell side is provided with terminal pad, connection screw thread is provided in the terminal pad, control cabinet is provided on the shell.Beneficial effect is: 1, measuring pressure value using pressure sensor and voltage detecting, measurement accuracy is high, and speed is fast, is used conveniently and safely；2, installation and removal are convenient, and maintenance is simple, and the simple manufacturing cost of structure is low.
Description
Technical field
The utility model relates to detection technique fields, detect more particularly to a kind of automotive natural gas component buffer tank pressure
Device.
Background technique
Surge tank is mainly used for the pressure oscillation of buffer system in various systems, keeps system work more stable.Surge tank
Cushion performance is mainly realized by the compressed air in compressed tanks.Surge tank has diaphragm type surge tank and two kinds of gasbag-type, extensively
It is general to be applied in the things such as supply equipment and central air conditioner system, with application of the natural gas on automobile, safe importance
Critically important, in natural gas vehicle, combustion gas needs to connect surge tank from caisson to engine charge end, and surge tank is needed
Connect safety member, and real-time detection pressure change.
In the prior art without special automotive natural gas component buffer tank pressure testing agency, a pressure is only installed
Sensor, accuracy is not high, proposes a kind of automotive natural gas component buffer tank pressure detection device hereby.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of automotive natural gas component surge tank
Pressure-detecting device, the utility model measure pressure value using pressure sensor and voltage detecting, and measurement accuracy is high, speed
Fastly, it is used conveniently and safely.
The utility model achieves the above object through the following technical schemes:
A kind of automotive natural gas component buffer tank pressure detection device, including shell, pressure sensor are set in the shell
It is equipped with the pressure sensor, the pressure sensor side is provided with signal picker, the signal picker side setting
There is signal amplifier, pore-forming hole is provided in the shell, slide plate is provided in the molding hole, the slide plate side is provided with
Spring, the slide plate side are provided with electrode, and the motor side is provided with resistance, and the resistance side is provided with voltage detecting
Circuit, the shell side are provided with terminal pad, and connection screw thread is provided in the terminal pad, control is provided on the shell
Case is provided with controller in the control cabinet, and the controller side is provided with memory, and the memory side is provided with nothing
Wire module, the wireless module side are provided with power module, the signal amplifier, the voltage detecting circuit, the nothing
Wire module, the signal picker, the power module, the memory, the pressure sensor are electric with the controller
Connection, the controller handle chip using PLC, and the pressure sensor uses MPX4250 sensor.
In above structure, when use, is installed by the terminal pad, is connected and fixed by the connection screw thread, described
Pressure sensor carries out detection pressure signal, and the signal picker acquires the pressure that the pressure sensor measures, by institute
It is transmitted to the controller processing after stating signal amplifier amplification, the slide plate pushes under the extruding of air pressure, compresses the bullet
Spring, the electrode slide on the resistance, and the voltage detecting circuit measures the variation of voltage according to the variation of resistance, described
Controller measures pressure change according to voltage change, and the data storage that the memory will measure, the wireless module will
It measures signal to send, is compared according to two kinds of data measureds, accurately quickly obtain pressure value.
In order to further increase the using effect of pressure-detecting device, the terminal pad welding is on the housing, described
Connection screw thread takes shape in the terminal pad.
In order to further increase the using effect of pressure-detecting device, the pressure sensor is embedded in the outer casing inner wall
On, the signal picker is embedded in the shell, and the signal amplifier is embedded in the shell.
In order to further increase the using effect of pressure-detecting device, the molding hole is taken shape in the shell, described
Slide plate slides are connected in the molding hole.
In order to further increase the using effect of pressure-detecting device, the spring and the slide plate weld together, institute
It states motor and the slide plate welds together.
In order to further increase the using effect of pressure-detecting device, the motor is slidably connected on the resistance, institute
Resistance is stated to be connected in the voltage detecting circuit by conducting wire.
In order to further increase the using effect of pressure-detecting device, the controller is embedded in the control cabinet, institute
It states wireless module to be embedded in the control cabinet, the memory is embedded in the control cabinet.
Compared with prior art, the beneficial effects of the utility model are as follows:
1, pressure value is measured using pressure sensor and voltage detecting, measurement accuracy is high, and speed is fast, peace easy to use
Entirely；
2, installation and removal are convenient, and maintenance is simple, and the simple manufacturing cost of structure is low.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of front view structure letter of automotive natural gas component buffer tank pressure detection device described in the utility model
Figure；
Fig. 2 is a kind of side structure signal of automotive natural gas component buffer tank pressure detection device described in the utility model
Figure；
Fig. 3 is a kind of circuit structure process of automotive natural gas component buffer tank pressure detection device described in the utility model
Block diagram.
The reference numerals are as follows:
1, shell；2, control cabinet；3, terminal pad；4, connection screw thread；5, pressure sensor；6, signal picker；7, signal
Amplifier；8, molding hole；9, slide plate；10, spring；11, electrode；12, resistance；13, controller；14, memory；15, wireless mould
Block；16, power module；17, voltage detecting circuit.
Specific embodiment
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
Embodiment one:
As shown in Figure 1-Figure 3, a kind of automotive natural gas component buffer tank pressure detection device, including shell 1, pressure sensing
Device 5 is provided with pressure sensor 5 in shell 1, and 5 side of pressure sensor is provided with signal picker 6,6 side of signal picker
It is provided with signal amplifier 7, pore-forming hole is provided in shell 1, slide plate 9 is provided in molding hole 8,9 side of slide plate is provided with bullet
Spring 10,9 side of slide plate are provided with electrode 11, and motor side is provided with resistance 12, and 12 side of resistance is provided with voltage detecting circuit
17,1 side of shell is provided with terminal pad 3, and connection screw thread 4 is provided in terminal pad 3, and control cabinet 2 is provided on shell 1, control
Controller 13 is provided in case 2,13 side of controller is provided with memory 14, and 14 side of memory is provided with wireless module 15,
15 side of wireless module is provided with power module 16, signal amplifier 7, voltage detecting circuit 17, wireless module 15, signal acquisition
Device 6, power module 16, memory 14, pressure sensor 5 are electrically connected with controller 13, and controller 13 handles core using PLC
Piece, pressure sensor 5 use MPX4250 sensor.
Embodiment two:
The difference between this embodiment and the first embodiment lies in:
In the present embodiment, spring 10 and slide plate 9 weld together, and motor and slide plate 9 weld together, and motor is slidably connected
On resistance 12, resistance 12 is connected in voltage detecting circuit 17 by conducting wire.
Specifically, setting can measure voltage change according to the variation of resistance 12 in this way, and then pressure value is measured, measurement accuracy
It is high.
The working principle of the utility model are as follows: installed, connected by connection screw thread 4 solid by terminal pad 3 when use
Fixed, pressure sensor 5 carries out detection pressure signal, and signal picker 6 acquires the pressure that pressure sensor 5 measures, by signal
Amplifier 7 is transmitted to the processing of controller 13 after amplifying, slide plate 9 pushes under the extruding of air pressure, and compressed spring 10, electrode 11 is in electricity
It is slided in resistance 12, voltage detecting circuit 17 measures the variation of voltage according to the variation of resistance 12, and controller 13 is according to voltage change
Pressure change is measured, the data storage that memory 14 will measure, wireless module 15 will measure signal and send, according to two
Kind data measured comparison, accurately quickly obtains pressure value.
The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry
It should be appreciated that the present utility model is not limited to the above embodiments, the above embodiments and description only describe this
The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change
And improvement, these various changes and improvements fall within the scope of the claimed invention.
Claims (7)
1. a kind of automotive natural gas component buffer tank pressure detection device, it is characterised in that: including shell, pressure sensor, institute
It states and is provided with the pressure sensor in shell, the pressure sensor side is provided with signal picker, the signal acquisition
Device side is provided with signal amplifier, and molding hole is provided in the shell, and slide plate, the slide plate are provided in the molding hole
Side is provided with spring, and the slide plate side is provided with motor, and the motor side is provided with resistance, the resistance side setting
There is voltage detecting circuit, the shell side is provided with terminal pad, connection screw thread is provided in the terminal pad, on the shell
It is provided with control cabinet, controller is provided in the control cabinet, the controller side is provided with memory, the memory one
Side is provided with wireless module, and the wireless module side is provided with power module, the signal amplifier, voltage detecting electricity
Road, the wireless module, the signal picker, the power module, the memory, the pressure sensor with it is described
Controller electrical connection.
2. a kind of automotive natural gas component buffer tank pressure detection device according to claim 1, it is characterised in that: described
Terminal pad is welded on the housing, and the connection screw thread takes shape in the terminal pad.
3. a kind of automotive natural gas component buffer tank pressure detection device according to claim 1, it is characterised in that: described
Pressure sensor is embedded on the outer casing inner wall, and the signal picker is embedded in the shell, the signal amplifier
It is embedded in the shell.
4. a kind of automotive natural gas component buffer tank pressure detection device according to claim 1, it is characterised in that: described
Molding hole takes shape in the shell, and the slide plate slides are connected in the molding hole.
5. a kind of automotive natural gas component buffer tank pressure detection device according to claim 1, it is characterised in that: described
Spring and the slide plate weld together, and the motor and the slide plate weld together.
6. a kind of automotive natural gas component buffer tank pressure detection device according to claim 1, it is characterised in that: described
Motor is slidably connected on the resistance, and the resistance is connected in the voltage detecting circuit by conducting wire.
7. a kind of automotive natural gas component buffer tank pressure detection device according to claim 1, it is characterised in that: described
Controller is embedded in the control cabinet, and the wireless module is embedded in the control cabinet, and the memory is embedded in described
In control cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822160554.4U CN209264174U (en) | 2018-12-22 | 2018-12-22 | A kind of automotive natural gas component buffer tank pressure detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822160554.4U CN209264174U (en) | 2018-12-22 | 2018-12-22 | A kind of automotive natural gas component buffer tank pressure detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209264174U true CN209264174U (en) | 2019-08-16 |
Family
ID=67560623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822160554.4U Active CN209264174U (en) | 2018-12-22 | 2018-12-22 | A kind of automotive natural gas component buffer tank pressure detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209264174U (en) |
-
2018
- 2018-12-22 CN CN201822160554.4U patent/CN209264174U/en active Active
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