CN111307339A - Pressure detection equipment capable of providing pressure difference self-power supply - Google Patents
Pressure detection equipment capable of providing pressure difference self-power supply Download PDFInfo
- Publication number
- CN111307339A CN111307339A CN202010272574.XA CN202010272574A CN111307339A CN 111307339 A CN111307339 A CN 111307339A CN 202010272574 A CN202010272574 A CN 202010272574A CN 111307339 A CN111307339 A CN 111307339A
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- Prior art keywords
- fixedly connected
- pressure
- shell
- connecting plate
- insulating
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/04—Measuring force or stress, in general by measuring elastic deformation of gauges, e.g. of springs
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
- G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
- G01L1/225—Measuring circuits therefor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
- G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
- G01L1/2287—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges constructional details of the strain gauges
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/26—Auxiliary measures taken, or devices used, in connection with the measurement of force, e.g. for preventing influence of transverse components of force, for preventing overload
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/0061—Electrical connection means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/08—Means for indicating or recording, e.g. for remote indication
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/08—Means for indicating or recording, e.g. for remote indication
- G01L19/083—Means for indicating or recording, e.g. for remote indication electrical
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0001—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means
- G01L9/0002—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using variations in ohmic resistance
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/02—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning
- G01L9/04—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning of resistance-strain gauges
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/02—Details for dynamo electric machines
- H01R39/18—Contacts for co-operation with commutator or slip-ring, e.g. contact brush
- H01R39/24—Laminated contacts; Wire contacts, e.g. metallic brush, carbon fibres
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a pressure detection device capable of providing differential pressure self-power supply, which comprises a first shell, wherein a display screen is embedded at the front end of the first shell, the left end and the right end of the interior of the first shell are fixedly connected with second connecting plates, and the upper ends and the lower ends of a plurality of second connecting plates are fixedly connected with first insulating blocks. In the invention, a pressure probe is placed in an environment needing to measure pressure, an electric brush stays on a first insulating slide rail under the action of a return spring in an unpressurized state, a circuit is in an open circuit state, the pressure probe moves downwards under pressurization in the pressurized state, the pressure probe drives the electric brushes at two ends of a first connecting plate to move so as to enable the electric brushes to slide to a resistor, the circuit forms a loop to be electrified, at the moment, an ammeter measures current in the circuit, the current value and the force stressed by the compression and elongation of the return spring are converted into the pressure value measured at the moment through a converter, and finally the pressure value is displayed on a display screen.
Description
Technical Field
The invention relates to the technical field of pressure detection equipment, in particular to pressure detection equipment for providing differential pressure self-powered.
Background
Physical pressure refers to the force that occurs at the contact surface of two objects, either the vertical force of a gas against a solid and the surface of a liquid, or the vertical force of a liquid against the surface of a solid. Conventionally, in mechanics and most engineering disciplines, the term "pressure" is synonymous with pressure in physics. The existing pressure detection equipment mostly detects pressure in a continuous power-on state, cannot automatically power off in a pressure-free state, and wastes resources.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a pressure detection device capable of supplying power by self under the condition of differential pressure.
In order to achieve the purpose, the invention adopts the following technical scheme: a pressure detection device providing pressure difference self-powered comprises a first shell, wherein a display screen is inlaid at the front end of the first shell, second connecting plates are fixedly connected to the left and right ends of the interior of the first shell, first insulating blocks are fixedly connected to the upper and lower ends of the second connecting plates, first insulating slide rails are fixedly connected to the lower ends of the first insulating blocks at the upper ends of the second connecting plates, resistors are fixedly connected to the lower ends of the first insulating slide rails, a pressure probe is arranged in the first shell close to the upper end, the upper end of the pressure probe penetrates through the upper surface of the first shell, a sealing pad is fixedly connected to the contact position of the upper surface of the first shell and the pressure probe, first connecting plates are fixedly connected to the left and right sides of the lower end of the pressure probe, and electric brushes are fixedly connected to the tail ends of the first connecting plates, and the plurality of electric brushes are in sliding connection with the first insulating slide rail.
As a further description of the above technical solution:
a plurality of the equal fixedly connected with first connecting block in one side of brush, it is a plurality of the equal fixedly connected with reset spring in upper end of first connecting block, it is a plurality of reset spring's upper end all with first casing fixed connection.
As a further description of the above technical solution:
a plurality of the equal fixedly connected with first wiring board of lower extreme of resistance, it is a plurality of equal fixedly connected with second wiring board in lower extreme one side of first connecting plate.
As a further description of the above technical solution:
the position that the inside of first casing is close to the bottom fixedly connected with third connecting plate, the upper end fixedly connected with ampere meter of third connecting plate, the lower extreme fixedly connected with converter of third connecting plate.
As a further description of the above technical solution:
and wires are arranged between the second wiring board and the ammeter, between the ammeter and the converter, between the converter and the display screen and on the first wiring board.
As a further description of the above technical solution:
and a plurality of wires at the lower end of the first wiring board are connected with a constant voltage power supply.
The invention has the following beneficial effects:
the pressure detection device capable of providing differential pressure self-powered supply comprises a first shell, a display screen, a pressure probe, a first connecting plate, a first insulating block, a first insulating slide rail, a first connecting block, a resistor, a second connecting plate, a first wiring plate, a converter, an ammeter, a third connecting plate, a wire, an electric brush, a reset spring, a second wiring plate and a sealing gasket, wherein the pressure probe is placed in an environment needing to measure pressure, the electric brush stays on the first insulating slide rail under the action of the reset spring under the unpressurized state, a circuit is in an open circuit state, the pressure probe moves downwards under the pressurized state, the pressure probe drives the electric brushes at two ends of the first connecting plate to move so that the electric brushes slide to the resistor, a circuit forming loop is electrified, at the moment, the ammeter measures current in the circuit, the current value and the force stressed and extended by the reset spring are converted into the pressure value measured at the moment through the converter, and finally displayed on a display screen.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
fig. 3 is a schematic diagram of the working principle of the present invention.
Illustration of the drawings:
1. a first housing; 2. a display screen; 3. a pressure probe; 4. a first connecting plate; 5. a first insulating block; 6. a first insulating slide rail; 7. a first connection block; 8. a resistance; 9. a second connecting plate; 10. a first wiring board; 11. a converter; 12. an ammeter; 13. a third connecting plate; 14. a wire; 15. an electric brush; 16. a return spring; 17. a second wiring board; 18. and a gasket.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, one embodiment of the present invention is provided: a pressure detection device providing pressure difference self-powered electricity comprises a first shell 1, a display screen 2 is inlaid at the front end of the first shell 1, second connecting plates 9 are fixedly connected to the left and right ends of the interior of the first shell 1, first insulating blocks 5 are fixedly connected to the upper and lower ends of the second connecting plates 9, first insulating slide rails 6 are fixedly connected to the lower ends of the first insulating blocks 5 at the upper ends of the second connecting plates 9, resistors 8 are fixedly connected to the lower ends of the first insulating slide rails 6, a pressure probe 3 is arranged in the interior of the first shell 1 and close to the upper end, the upper end of the pressure probe 3 penetrates through the upper surface of the first shell 1, a sealing gasket 18 is fixedly connected to the contact part of the upper surface of the first shell 1 and the pressure probe 3, first connecting plates 4 are fixedly connected to the left and right sides of the lower end of the pressure probe 3, electric brushes 15 are fixedly connected to the tail ends of the first connecting plates 4, the plurality of brushes 15 are slidably connected to the first insulating slide 6.
One side of each of the plurality of electric brushes 15 is fixedly connected with a first connecting block 7, the upper ends of the plurality of first connecting blocks 7 are fixedly connected with a return spring 16, the upper ends of the plurality of return springs 16 are fixedly connected with the first shell 1, and the return springs 16 are used for placing the electric brushes 15 on the first insulating slide rail 6 when no pressure difference exists, so that the whole circuit is in a broken circuit state; the lower ends of the resistors 8 are fixedly connected with a first wiring board 10, and one sides of the lower ends of the first connection boards 4 are fixedly connected with a second wiring board 17; a third connecting plate 13 is fixedly connected to a position, close to the bottom end, inside the first shell 1, an ammeter 12 is fixedly connected to the upper end of the third connecting plate 13, and a converter 11 is fixedly connected to the lower end of the third connecting plate 13; the wires 14 are arranged between the second wiring boards 17 and the ammeter 12, between the ammeter 12 and the converter 11, between the converter 11 and the display screen 2 and on the first wiring board 10, the ammeter 12 measures the current in the circuit, the current value and the force applied by the reset spring 16 under the action of pressure and elongation are converted into the pressure value measured at the moment through the converter 11, and finally the pressure value is displayed on the display screen 2; the plurality of wires 14 at the lower end of the first wiring board 10 are connected to a constant voltage power supply, and the connection to the constant voltage power supply ensures that the whole circuit is reduced by one variable during measurement to be easily calculated.
The working principle is as follows: place pressure probe 3 in the environment that needs measured pressure, under the not pressurized state, brush 15 stops on first insulation slide rail 6 under reset spring 16 must be used, the circuit is in the state of opening a circuit, under the pressurized state, pressure probe 3 pressurized can move down, pressure probe 3 can drive first connecting plate 4 both ends and get brush 15 and move, make it slide to resistance 8 on, time circuit composition return circuit circular telegram, at this moment, ammeter 12 measures the electric current in the circuit, through converter 11 with the electric current value and the power that reset spring 16 pressurized extension received convert the pressure value that this moment surveyed into, finally show on display screen 2.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. A pressure detection device providing differential pressure self-powering, comprising a first casing (1), characterized in that: the display screen is embedded at the front end of the first shell (1), the left end and the right end of the inside of the first shell (1) are fixedly connected with second connecting plates (9), the upper end and the lower end of each second connecting plate (9) are fixedly connected with first insulating blocks (5), the lower end of each first insulating block (5) at the upper end of each second connecting plate (9) is fixedly connected with a first insulating slide rail (6), the lower end of each first insulating slide rail (6) is fixedly connected with a resistor (8), a pressure probe (3) is arranged at a position close to the upper end in the first shell (1), the upper end of the pressure probe (3) penetrates through the upper surface of the first shell (1), a sealing gasket (18) is fixedly connected with the upper surface of the first shell (1) and the contact position of the pressure probe (3), the left side and the right side of the lower end of the pressure probe (3) are fixedly connected with first connecting plates (4), the tail ends of the first connecting plates (4) are fixedly connected with electric brushes (15), and the electric brushes (15) are connected with the first insulating sliding rails (6) in a sliding mode.
2. A pressure sensing device providing differential pressure self-powering according to claim 1, characterized in that: a plurality of first connecting block (7) of the equal fixedly connected with in one side of brush (15), it is a plurality of the equal fixedly connected with reset spring (16) in upper end of first connecting block (7), it is a plurality of the upper end of reset spring (16) all with first casing (1) fixed connection.
3. A pressure sensing device providing differential pressure self-powering according to claim 1, characterized in that: the lower end of the resistor (8) is fixedly connected with a first wiring board (10), and one side of the lower end of the first connection board (4) is fixedly connected with a second wiring board (17).
4. A pressure sensing device providing differential pressure self-powering according to claim 1, characterized in that: the position that the inside of first casing (1) is close to the bottom fixedly connected with third connecting plate (13), the upper end fixedly connected with ampere meter (12) of third connecting plate (13), the lower extreme fixedly connected with converter (11) of third connecting plate (13).
5. A pressure sensing device providing differential pressure self-powering according to claim 3, characterized in that: and wires (14) are arranged between the second wiring boards (17) and the ammeter (12), between the ammeter (12) and the converter (11), between the converter (11) and the display screen (2) and on the first wiring board (10).
6. A pressure sensing device providing differential pressure self-powering according to claim 3, characterized in that: the wires (14) at the lower ends of the plurality of first wiring boards (10) are connected to a constant voltage power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010272574.XA CN111307339A (en) | 2020-04-09 | 2020-04-09 | Pressure detection equipment capable of providing pressure difference self-power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010272574.XA CN111307339A (en) | 2020-04-09 | 2020-04-09 | Pressure detection equipment capable of providing pressure difference self-power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111307339A true CN111307339A (en) | 2020-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010272574.XA Pending CN111307339A (en) | 2020-04-09 | 2020-04-09 | Pressure detection equipment capable of providing pressure difference self-power supply |
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| Country | Link |
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| CN (1) | CN111307339A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3963891A (en) * | 1973-10-03 | 1976-06-15 | Sofiltra, Societe Industrielle De Filtration | Choked condition detector for an air-purifying device |
| US4265164A (en) * | 1978-04-24 | 1981-05-05 | Kabushiki Kaisha Asahi Enterprise | Pressure detecting device |
| CN2150334Y (en) * | 1993-01-06 | 1993-12-22 | 山东矿业学院 | Direct-reading type pressure-measuring device |
| CN203519231U (en) * | 2013-09-23 | 2014-04-02 | 汪洋 | Wind measurement sensor |
| CN205172194U (en) * | 2015-11-20 | 2016-04-20 | 安徽天智信息科技集团股份有限公司 | Low -power consumption lock button |
| CN207704962U (en) * | 2017-11-24 | 2018-08-07 | 江西若邦科技股份有限公司 | A kind of electronic component resistor |
| CN208125319U (en) * | 2018-05-18 | 2018-11-20 | 江苏食品药品职业技术学院 | A kind of baroceptor |
| CN208606914U (en) * | 2018-07-24 | 2019-03-15 | 江苏省电子信息产品质量监督检验研究院 | The dynamometer of changeable range for the installation detection of wall-mounted equipment dependability |
-
2020
- 2020-04-09 CN CN202010272574.XA patent/CN111307339A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3963891A (en) * | 1973-10-03 | 1976-06-15 | Sofiltra, Societe Industrielle De Filtration | Choked condition detector for an air-purifying device |
| US4265164A (en) * | 1978-04-24 | 1981-05-05 | Kabushiki Kaisha Asahi Enterprise | Pressure detecting device |
| CN2150334Y (en) * | 1993-01-06 | 1993-12-22 | 山东矿业学院 | Direct-reading type pressure-measuring device |
| CN203519231U (en) * | 2013-09-23 | 2014-04-02 | 汪洋 | Wind measurement sensor |
| CN205172194U (en) * | 2015-11-20 | 2016-04-20 | 安徽天智信息科技集团股份有限公司 | Low -power consumption lock button |
| CN207704962U (en) * | 2017-11-24 | 2018-08-07 | 江西若邦科技股份有限公司 | A kind of electronic component resistor |
| CN208125319U (en) * | 2018-05-18 | 2018-11-20 | 江苏食品药品职业技术学院 | A kind of baroceptor |
| CN208606914U (en) * | 2018-07-24 | 2019-03-15 | 江苏省电子信息产品质量监督检验研究院 | The dynamometer of changeable range for the installation detection of wall-mounted equipment dependability |
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Application publication date: 20200619 |