CN107219034B - Sensor for gas water heater - Google Patents
Sensor for gas water heater Download PDFInfo
- Publication number
- CN107219034B CN107219034B CN201710615328.8A CN201710615328A CN107219034B CN 107219034 B CN107219034 B CN 107219034B CN 201710615328 A CN201710615328 A CN 201710615328A CN 107219034 B CN107219034 B CN 107219034B
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- China
- Prior art keywords
- electrode plate
- negative pressure
- pressure shell
- rod body
- plate group
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 239000003990 capacitor Substances 0.000 claims abstract description 6
- 239000012528 membrane Substances 0.000 claims abstract description 6
- 230000001105 regulatory effect Effects 0.000 claims abstract description 3
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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Classifications
-
- 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
- G01L9/12—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 capacitance, i.e. electric circuits therefor
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The sensor for gas water heater includes positive pressure shell, negative pressure shell, pressed diaphragm, electrokinetic electrode plate set, fixed electrode plate set, rod body, pressure spring and regulating screw; the pressure-receiving diaphragm is arranged at the opening end of the positive pressure shell, the opening end of the negative pressure shell presses the pressure-receiving diaphragm, and the positive pressure shell and the negative pressure shell are fixedly connected together; the positive pressure shell is provided with a positive pressure pipe, and the negative pressure shell is provided with a negative pressure pipe; one end of the rod body is fixedly connected with the pressed membrane, and the rod body penetrates through the movable electrode plate group and the fixed electrode plate group; the adjusting screw is matched with a screw hole on the end plate of the negative pressure shell, one end of the pressure spring is matched with a spring seat at the end part of the rod body, and the other end of the pressure spring is matched with the adjusting screw; the electrokinetic electrode plate group and the fixed electrode plate group form a variable capacitor. The capacitance of the variable capacitor changes due to the change of positive and negative pressure, the device is transmitted to the main control board, and has the advantages of quick action, simple structure and long service life.
Description
Technical Field
The invention relates to a device for a gas water heater or a gas water heating device.
Background
At present, the prior art relates to a gas water heater and a gas wall-mounted boiler, which are controlled by a wind pressure switch, have poor automation performance, short service life and poor sensitivity.
Disclosure of Invention
The purpose of the invention is that: the sensor for the gas water heater has the characteristics of sensitive action, long service life and suitability for automatic control.
The invention is realized in the following way: the sensor for gas water heater includes positive pressure shell, negative pressure shell, pressed diaphragm, electrokinetic electrode plate set, fixed electrode plate set, rod body, pressure spring and regulating screw;
the pressure-receiving diaphragm is arranged at the opening end of the positive pressure shell, the opening end of the negative pressure shell presses the pressure-receiving diaphragm, and the positive pressure shell and the negative pressure shell are fixedly connected together; the positive pressure shell is provided with a positive pressure pipe, and the negative pressure shell is provided with a negative pressure pipe; one end of the rod body is fixedly connected with the pressed membrane, and the rod body penetrates through the movable electrode plate group and the fixed electrode plate group; the adjusting screw is matched with a screw hole on the end plate of the negative pressure shell, one end of the pressure spring is matched with a spring seat at the end part of the rod body, and the other end of the pressure spring is matched with the adjusting screw; the electrokinetic electrode plate group and the fixed electrode plate group form a variable capacitor.
The sensor for the gas water heater is characterized in that: the rod body is fixedly connected with the electrode plate group and is in sliding fit with the fixed electrode plate group; the pressed diaphragm and the rod body drive the movable electrode plate group to move relative to the fixed electrode plate group.
The sensor for the gas water heater is characterized in that: the fixed electrode plate group comprises a fixed bottom plate and fixed electrode plates which are arranged on the fixed bottom plate and are parallel;
the fixed electrode plate group is fixed in the negative pressure shell, and the rod body passes through the guide hole on the fixed bottom plate and is in sliding fit; the rod body passes through the fixed hole on the movable bottom plate and is fixedly connected with the movable bottom plate.
The sensor for the gas water heater is characterized in that: the two hollow ends of the adjusting screw are open;
the negative pressure pipe is communicated with the inner cavity of the adjusting screw.
The sensor for the gas water heater has the advantages of fast action, simple structure and long service life, and changes positive pressure and negative pressure, changes capacitance of the variable capacitor and transmits the capacitance to the main control board.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a schematic circuit diagram of the present invention.
Fig. 3 is a front view of a second embodiment of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Example 1
As shown in fig. 1, a sensor for a gas water heater comprises a positive pressure shell 1, a negative pressure shell 2, a pressure membrane 3, an electrokinetic electrode plate group 4, a fixed electrode plate group 5, a rod body 6, a pressure spring 7 and an adjusting screw 8;
the pressure-receiving diaphragm 3 is arranged at the opening end of the positive pressure shell 1, the opening end of the negative pressure shell 2 presses the pressure-receiving diaphragm 3, and the positive pressure shell 1 and the negative pressure shell 2 are fixedly connected together; the positive pressure shell 1 is provided with a positive pressure pipe 11, and the negative pressure shell 2 is provided with a negative pressure pipe 21; one end of a rod body 6 is fixedly connected with the pressed membrane 3, and the rod body 6 penetrates through the electrode plate group 4 and the fixed electrode plate 5; the adjusting screw 8 is matched with a screw hole on the end plate of the negative pressure shell 2, one end of the pressure spring 7 is matched with a spring seat at the end part of the rod body 6, and the other end of the pressure spring is matched with the adjusting screw 8; the movable electrode plate group 4 and the fixed electrode plate group 5 constitute a variable capacitance.
The rod body 6 is fixedly connected with the electrokinetic electrode plate group 4 and is in sliding fit with the fixed electrode plate group 5; the pressure membrane 3 and the rod body 6 drive the movable electrode plate group 4 to move relative to the fixed electrode plate group 5.
It may also be: the rod body 6 drives the movable electrode plate group 4 to rotate relative to the fixed electrode plate group 5, so that the purpose of adjusting the relative area of the movable electrode plate group and the fixed electrode plate group to achieve capacitance is achieved.
As shown in fig. 2, when the invention is used, the variable capacitor and the coil are connected in parallel to form an oscillating circuit, one end of the oscillating circuit is connected with the power supply ground, and the other end of the oscillating circuit is connected with the IC through a current limiting resistor; an LC circuit is connected to the IC for outputting pulse signals.
Example 2
As shown in fig. 3, the electrokinetic electrode plate group 4 comprises a movable bottom plate 41 and electrokinetic electrode plates which are arranged on the movable bottom plate and are parallel, and the fixed electrode plate 5 group comprises a fixed bottom plate 51 and fixed electrode plates 52 which are arranged on the fixed bottom plate and are parallel;
the fixed electrode plate group 5 is fixed in the negative pressure shell 2, and the rod body 6 passes through a guide hole on the fixed bottom plate 51 and is in sliding fit; the rod body 6 passes through a fixed hole on the movable bottom plate 41 and is fixedly connected with the movable bottom plate 41; the electrokinetic electrode plate 4 moves left and right, the relative area of the electrokinetic electrode plate and the fixed electrode plate is changed, and the change of capacitance is realized.
What has been described above is merely a preferred embodiment of the present invention. It should be noted that modifications and variations can be made by those skilled in the art without departing from the principles of the present invention, which is also considered as being within the scope of the present invention.
Claims (3)
1. The sensor for gas water heater includes positive pressure shell, negative pressure shell, pressed diaphragm, electrokinetic electrode plate set, fixed electrode plate set, rod body, pressure spring and regulating screw;
the pressure-receiving diaphragm is arranged at the opening end of the positive pressure shell, the opening end of the negative pressure shell presses the pressure-receiving diaphragm, and the positive pressure shell and the negative pressure shell are fixedly connected together; the positive pressure shell is provided with a positive pressure pipe, and the negative pressure shell is provided with a negative pressure pipe; one end of the rod body is fixedly connected with the pressed membrane, and the rod body penetrates through the movable electrode plate group and the fixed electrode plate group; the adjusting screw is matched with a screw hole on the end plate of the negative pressure shell, one end of the pressure spring is matched with a spring seat at the end part of the rod body, and the other end of the pressure spring is matched with the adjusting screw; the movable electrode plate group and the fixed electrode plate group form a variable capacitor;
the rod body is fixedly connected with the movable electrode plate group and is in sliding fit with the fixed electrode plate group, so that the gap between the movable electrode plate of the movable electrode group and the fixed electrode plate of the fixed electrode plate group is changed; the pressed diaphragm and the rod body drive the movable electrode plate group to move relative to the fixed electrode plate group.
2. A sensor for a gas water heater as set forth in claim 1, wherein: the fixed electrode plate group comprises a fixed bottom plate and fixed electrode plates which are arranged on the fixed bottom plate and are parallel;
the fixed electrode plate group is fixed in the negative pressure shell, and the rod body passes through the guide hole on the fixed bottom plate and is in sliding fit; the rod body passes through the fixed hole on the movable bottom plate and is fixedly connected with the movable bottom plate.
3. A sensor for a gas water heating device according to claim 1 or 2, characterized in that: the two hollow ends of the adjusting screw are open;
the negative pressure pipe is communicated with the inner cavity of the adjusting screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710615328.8A CN107219034B (en) | 2017-07-26 | 2017-07-26 | Sensor for gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710615328.8A CN107219034B (en) | 2017-07-26 | 2017-07-26 | Sensor for gas water heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107219034A CN107219034A (en) | 2017-09-29 |
| CN107219034B true CN107219034B (en) | 2023-07-07 |
Family
ID=59953662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710615328.8A Active CN107219034B (en) | 2017-07-26 | 2017-07-26 | Sensor for gas water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107219034B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0496212A (en) * | 1990-08-06 | 1992-03-27 | Wacom Co Ltd | Variable capacitor and position indicator using same |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07225106A (en) * | 1994-01-28 | 1995-08-22 | Samsung Heavy Ind Co Ltd | Rotation detecting sensor and controller for handle with respect to minute displacement |
| CN101793179B (en) * | 2009-12-24 | 2013-02-27 | 李科明 | Oil pressure warning sensor for pressure sensitive capacitor |
| CN103867780B (en) * | 2014-04-02 | 2016-03-23 | 中山市思源电器有限公司 | A kind of electromagnetic gas proportioning valve |
| CN204694273U (en) * | 2015-04-28 | 2015-10-07 | 刘文生 | A kind of variable-area capacitive sensor |
| CN106092430B (en) * | 2016-06-16 | 2018-11-16 | 清华大学深圳研究生院 | A kind of comb capacitance type pressure sensor |
| CN206990145U (en) * | 2017-07-26 | 2018-02-09 | 中山市思源电器有限公司 | A kind of sensor of gas-fired water heater |
-
2017
- 2017-07-26 CN CN201710615328.8A patent/CN107219034B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0496212A (en) * | 1990-08-06 | 1992-03-27 | Wacom Co Ltd | Variable capacitor and position indicator using same |
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| Publication number | Publication date |
|---|---|
| CN107219034A (en) | 2017-09-29 |
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| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20170929 Assignee: Guangdong Lapur Thermal Energy Technology Co.,Ltd. Assignor: SIYUAN ELECTRIC APPLIANCES Co.,Ltd. Contract record no.: X2024980015484 Denomination of invention: A sensor for gas hot water device Granted publication date: 20230707 License type: Common License Record date: 20240918 |