CN219890635U - Pressure gauge - Google Patents
Pressure gauge Download PDFInfo
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- CN219890635U CN219890635U CN202321505860.1U CN202321505860U CN219890635U CN 219890635 U CN219890635 U CN 219890635U CN 202321505860 U CN202321505860 U CN 202321505860U CN 219890635 U CN219890635 U CN 219890635U
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- coil
- magnetic core
- pointer
- inductance
- circuit board
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- 230000005489 elastic deformation Effects 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims 1
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- 238000005452 bending Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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Abstract
The utility model discloses a pressure gauge, which comprises a first shell, wherein a first pointer, a first Bowden tube, an inductance component and a control circuit board are arranged in the first shell, the first Bowden tube is respectively matched with the first pointer and the inductance component, the inductance component is connected with the control circuit board, corresponding pressure signals can enable the first Bowden tube to elastically deform, the first Bowden tube can drive the first pointer to rotate and enable the inductance value of the inductance component to change, and the control circuit board can convert the inductance value of the inductance component into corresponding pressure values. The utility model has simple structure and convenient operation, can not only indicate the pressure by the first pointer, but also digitally display the measured pressure value, and has high precision, stability, reliability and the like.
Description
Technical Field
The utility model relates to a pressure gauge, in particular to a pressure gauge.
Background
The pressure gauge is used for measuring and indicating the pressure higher than the ambient pressure by taking the elastic element as the sensitive element, and is almost applied to all industrial processes and scientific research fields, especially in industrial process control and technical measurement, the elastic sensitive element of the pressure gauge has the characteristics of high mechanical strength, convenient production and the like, so that the pressure gauge is more and more widely applied. At present, the traditional pointer type pressure gauge measures pressure by utilizing elastic deformation such as bending change or torsional deformation of a Bowden tube (also called a spring tube), the movable end of the Bowden tube is connected with a corresponding pointer, the pointer is driven to rotate at the movable end through the elastic deformation of the Bowden tube to indicate the pressure, the pressure value can only be displayed by the pointer, the operation is inconvenient, the indication is rough, the precision is low, the safety and the reliability are low, the higher and higher use requirements cannot be met, and the application and development of products are affected.
Disclosure of Invention
The utility model aims to provide a pressure gauge which can solve at least one of the technical problems, and the technical scheme of the utility model is as follows:
the utility model provides a manometer, includes first shell, is provided with first pointer, first Bowden pipe, inductance subassembly and control circuit board in the first shell, and first Bowden pipe cooperatees with first pointer and inductance subassembly respectively, and inductance subassembly is connected with control circuit board, and corresponding pressure signal can make first Bowden pipe elastic deformation, and first Bowden pipe elastic deformation can drive first pointer rotation and make inductance value change of inductance subassembly, and control circuit board can convert inductance value of inductance subassembly into corresponding pressure value.
In some embodiments, the inductance assembly includes a first coil and a first magnetic core that is mated with the first coil, the first coil is fixed, one end of the first magnetic core is mated with a first bourdon tube, the other end of the first magnetic core extends into an inner hole of the first coil, and the first bourdon tube elastic deformation can drive the first magnetic core to move so as to change the length of the first magnetic core extending into the inner hole of the first coil.
In some embodiments, the first coil and the first magnetic core are both arc-shaped, the rotation center of the first pointer is concentric with the first coil and the first magnetic core, and the first pointer rotates synchronously with the first magnetic core.
In some embodiments, one end of the first magnetic core is fixedly connected with the first pointer, and the other end of the first magnetic core extends into the inner hole of the first coil.
In some embodiments, a first power source is provided on the control circuit board, the first power source being capable of powering the first coil.
In some embodiments, the first coil is fixed on the control circuit board.
In some embodiments, a first connector is provided on the first housing, the first connector being for connection with a corresponding object to be tested.
In some embodiments, a bluetooth module is disposed on the control circuit board, and the bluetooth module is used for wireless connection with a corresponding electronic device.
In addition, in the technical scheme of the utility model, the technical scheme can be realized by adopting conventional means in the field without specific description.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a pressure gauge according to an embodiment of the present utility model.
Fig. 2 is a schematic diagram of a pressure gauge according to an embodiment of the present utility model.
Fig. 3 is a schematic structural view of a pressure gauge according to an embodiment of the present utility model.
The reference numerals in the drawings indicate that the first housing 1, the first pointer 2, the first Bowden tube 3, the inductance assembly 4, the first coil 41, the first magnetic core 42, the control circuit board 5, and the first connector 6.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are illustrative of some, but not all embodiments of the utility model and are not intended to limit the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", "both ends", "two sides", "bottom", "top", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the elements referred to must have a specific orientation or be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "superior," "subordinate," "primary," "secondary," and the like are used for descriptive purposes only and may be used simply to more clearly distinguish between different components and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or communicating between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 to 3, a pressure gauge according to the present utility model is schematically shown, including a first housing 1, a first pointer 2, a first bourdon tube 3, an inductance component 4 and a control circuit board 5 are disposed in the first housing 1, the first bourdon tube 3 is respectively matched with the first pointer 2 and the inductance component 4, the inductance component 4 is connected with the control circuit board 5, elastic deformation such as bending change or torsional deformation of the first bourdon tube 3 can rotate the first pointer 2, the magnitude of pressure is indicated by the first pointer 2, meanwhile, elastic deformation such as bending change or torsional deformation of the first bourdon tube 3 can also change the inductance value of the inductance component 4, then the control circuit board 5 detects the inductance value of the inductance component 4 and converts the electric signal of the inductance value into a corresponding pressure value, so as to realize the digitization of the measured pressure value.
In the use process, the pressure gauge is arranged on a corresponding object, such as a corresponding pipeline, under the action of a corresponding pressure signal, the first Bowden tube 3 is subjected to elastic deformation such as bending change or torsional deformation, the first Bowden tube 3 is elastically deformed to drive the first pointer 2 to rotate, the magnitude of pressure can be indicated through the first pointer 2, meanwhile, the first Bowden tube 3 is elastically deformed to enable the inductance value of the inductance component 4 to be changed, the control circuit board 5 detects the inductance value of the inductance component 4 and converts an electric signal of the inductance value into a corresponding pressure value, so that the digitization of the measured pressure value is realized, the structure is simple, the operation is convenient, the magnitude of the pressure can be indicated through the first pointer 2, the measured pressure value can be digitally displayed, the accuracy is high, the stability and the reliability are high, and the like.
The inductance assembly 4 includes a first coil 41 and a first magnetic core 42 matched with the first coil 41, the first coil 41 is fixed, one end of the first magnetic core 42 is matched with the first bourdon tube 3, the other end of the first magnetic core 42 stretches into an inner hole of the first coil 41, the first magnetic core 42 can be an iron core or the like, the first magnetic core 42 can be driven to move along the inner hole direction of the first coil 41 by elastic deformation of the first bourdon tube 3, the length of the first magnetic core 42 stretching into the inner hole of the first coil 41 can be changed by moving the first magnetic core 42 along the inner hole direction of the first coil 41, and the inductance value of the inductance assembly 4 changes along with the change of the length of the first magnetic core 42 stretching into the inner hole of the first coil 41. In the use, control circuit board 5 is first coil 41 power supply, first coil 41 produces magnetic field induction, when first Bowden tube 3 elastic deformation drive first magnetic core 42 can follow the hole direction motion of first coil 41, the induced magnetic field changes, the inductance value also changes promptly, control circuit board 5 detects the inductance value, inductance value and pressure value mark, every inductance value corresponds corresponding pressure value, control circuit board 5 converts the signal of telecommunication of inductance value into corresponding pressure value, realize measuring pressure value's digitization, and a structure is simple, and the precision is high, more stable, reliable.
The first coil 41 and the first magnetic core 42 are arc-shaped, the first magnetic core 42 can rotate along the inner hole direction of the first coil 41, the rotation center of the first pointer 2 is concentric with the first coil 1 and the first magnetic core 42, when the first Bowden tube 3 is twisted and deformed, the first Bowden tube 3 drives the first pointer 2 to synchronously rotate with the first magnetic core 42, the deformation direction of the first Bowden tube 3 is consistent with the rotation direction of the first magnetic core 42, and the structure is more compact, stable and high in reliability.
One end of the first magnetic core 42 is fixedly connected with the first pointer 2, such as welded connection or connection through fasteners such as screws, the other end of the first magnetic core 42 stretches into an inner hole of the first coil 41, the first pointer 2 and the first magnetic core 42 move together, the structure is firmer, and the movement is more stable.
The control circuit board 5 is provided with a first power source, which may be a battery or other suitable power supply element in the prior art, and the first power source can supply power to the first coil 41, and simultaneously supply power to the circuits and the like on the control circuit board 5.
The first coil 41 is fixed on the control circuit board 5, for example, the lead wire of the first coil 41 is welded with the control circuit board 5, and the first coil 41 can also be integrated on the control circuit board 5, so that the operation is more convenient, and the operation is more stable and reliable. The first coil 41 may be fixed to the first housing 5.
The first casing 1 is provided with the first connector 6, and the first connector 6 is used for being connected with a corresponding object to be detected, such as a corresponding pipeline, and the operation is more convenient and quicker.
Be provided with bluetooth module on the control circuit board 5, first power is bluetooth mould power supply, and bluetooth module is used for with corresponding electronic equipment wireless connection such as computer, industrial computer, cell-phone, like bluetooth module and corresponding cell-phone wireless connection, installs the APP software that shows the measured pressure value on the cell-phone, and the operation is more convenient.
The control circuit board 5 is provided with an inductance detection circuit and an MCU (micro control unit or single chip microcomputer) and the like, the inductance detection circuit can adopt an LC oscillating circuit and the like, and the first power supply supplies power for the inductance detection circuit and the MCU. As shown in fig. 2, the first power supply is used for supplying power to the first coil 41, the inductance detection circuit, the MCU and the bluetooth module, the bluetooth module is in wireless connection with corresponding electronic devices such as a mobile phone, the first bourdon tube 3 receives a pressure signal, then the first bourdon tube 3 is elastically deformed, the first bourdon tube 3 elastically deforms to drive the first pointer 2 to rotate, the first pointer 2 indicates the pressure, meanwhile, the first bourdon tube 3 elastically deforms to drive the first magnetic core 42 of the inductance assembly 4 to move, the first magnetic core 42 can move along the inner hole direction of the first coil 41, so that the inductance value of the inductance assembly 4 is changed, the inductance detection circuit detects the inductance value, the inductance detection circuit transmits an electric signal of the inductance value to the MCU, the inductance value and the pressure value are calibrated, each inductance value corresponds to the corresponding pressure value, the MCU converts the inductance value into the corresponding pressure value, the MCU transmits information of the pressure value to the bluetooth module, and the bluetooth module transmits the information to the corresponding electronic devices such as the mobile phone, so that the measured pressure value is digitally displayed on software of the electronic devices. It should be noted that, the inductance detection circuit, the MCU, and the bluetooth are all common mechanisms in the prior art, and will not be described in detail here.
In addition, the pressure gauge of the present utility model may be provided with a display screen for displaying a pressure value, the control circuit board 5 may be connected to electronic devices corresponding to a computer, an industrial personal computer, a mobile phone, etc. through a data line, a network cable, etc., and the first housing 1 may be provided with a transparent cover plate corresponding to the first pointer 2, etc.
Compared with the prior art, the utility model has the advantages that: the first coil 41 and the first magnetic core 42 are arc-shaped, the first magnetic core 42 rotates along the inner hole direction of the first coil 41, the rotation center of the first pointer 2 is concentric with the first magnetic core 42 and the first magnetic core 42, one end of the first magnetic core 42 is fixedly connected with the first pointer 2, the first magnetic core 42 moves together with the first pointer 2, the structure is simple, compact and stable, the movement is more stable, the operation is convenient, the pressure can be indicated by the first pointer 2, the measured pressure value can be digitally displayed on corresponding electronic equipment through detecting the change of the inductance value, the Bluetooth module is convenient to be in wireless connection with the corresponding electronic equipment, the precision is high, the safety, the stability and the reliability are high, the use requirements of higher and higher can be met, the application range is wide, the competitiveness of products is enhanced, and the application and the development of the products are expanded.
The foregoing description of the embodiments of the present utility model is merely illustrative of the technical solutions of the present utility model and not limiting thereof, and it should be understood that modifications and substitutions can be made by those skilled in the art without departing from the inventive concept of the present utility model, and all such modifications and substitutions shall fall within the scope of the appended claims. In this case, all details may be replaced with equivalent elements, and the materials, shapes and sizes may be arbitrary.
Claims (8)
1. The utility model provides a manometer, its characterized in that includes first shell (1), be provided with first pointer (2), first Bowden tube (3), inductance subassembly (4) and control circuit board (5) in first shell (1), first Bowden tube (3) respectively with first pointer (2) with inductance subassembly (4) cooperate, inductance subassembly (4) with control circuit board (5) are connected, and corresponding pressure signal can make first Bowden tube (3) elastic deformation, first Bowden tube (3) elastic deformation can drive first pointer (2) rotation and make inductance value of inductance subassembly (4) changes, control circuit board (5) can with inductance value conversion of inductance subassembly (4) corresponding pressure value.
2. A pressure gauge according to claim 1, characterized in that the inductance assembly (4) comprises a first coil (41) and a first magnetic core (42) cooperating with the first coil (41), the first coil (41) being fixed, one end of the first magnetic core (42) cooperating with the first bourdon tube (3), the other end of the first magnetic core (42) extending into the inner bore of the first coil (41), the first bourdon tube (3) being elastically deformable to drive the first magnetic core (42) to move to change the length of the first magnetic core (42) extending into the inner bore of the first coil (41).
3. A pressure gauge according to claim 2, characterized in that the first coil (41) and the first magnetic core (42) are arc-shaped, the rotation center of the first pointer (2) is concentric with the first coil (41) and the first magnetic core (42), and the first pointer (2) rotates synchronously with the first magnetic core (42).
4. A pressure gauge according to claim 3, characterized in that one end of the first magnetic core (42) is fixedly connected to the first pointer (2), and the other end of the first magnetic core (42) extends into the inner hole of the first coil (41).
5. A pressure gauge according to claim 2, characterized in that the control circuit board (5) is provided with a first power supply, which is able to supply the first coil (41).
6. A pressure gauge according to claim 2, characterized in that the first coil (41) is fixed to the control circuit board (5).
7. A pressure gauge according to claim 1, characterized in that the first housing (1) is provided with a first connector (6), the first connector (6) being adapted to be connected to a corresponding object to be measured.
8. A pressure gauge according to any one of claims 1-7, characterized in that the control circuit board (5) is provided with a bluetooth module for wireless connection with a corresponding electronic device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321505860.1U CN219890635U (en) | 2023-06-13 | 2023-06-13 | Pressure gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321505860.1U CN219890635U (en) | 2023-06-13 | 2023-06-13 | Pressure gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219890635U true CN219890635U (en) | 2023-10-24 |
Family
ID=88411158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321505860.1U Active CN219890635U (en) | 2023-06-13 | 2023-06-13 | Pressure gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219890635U (en) |
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2023
- 2023-06-13 CN CN202321505860.1U patent/CN219890635U/en active Active
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