Pressure sensor

Abstract

The present invention relates to the pressure sensor, which is generally designed to be used in combi boilers, boilers, central heating systems and similar devices, and to the measurement of the pressure formed in the system and the monitoring of all system processes. Pressure sensors detect the pressure applied to the system and convert this pressure into variable voltage / current data. These signals are converted into data through the necessary converters to be used in applications. The traceability of the system is provided through this data. This invention relates to a pressure sensor with a special gasket in the membrane part, which allows both the membrane and the o-ring part to be used as a single piece (8a), is independent of assembly and loosening over time, and ensures that the seal between the body and the cover is independent of the assembly tolerances of the parts. Said invention has a locking tab structure on the body. In this way, with the different formatting to be done, by converting the non-plastic parts on the product used in state of the art into plastic and making snap-fit connections with the body and locking nail structure, additional connection elements used for assembly will be eliminated and a simpler, lighter, more advantageous and alternative product will be developed. At the same time, by means of the mutually interlocking (Poke Yoke) grouping system between the PCB (5) and the body (1) for the variants, faulty and incorrect assembly will be prevented. Additionally, one of the most important features of the product is the use of thermoplastic material. By choosing to use of thermoplastic material, it is characterised by being lighter than other known similar products, eliminating the rust / corrosion problems that will occur over time and the high service cost that will arise from this.

Description

DescriptionTitle of Invention: PRESSURE SENSOR

[0001] The present invention relates to the pressure sensor, which is generally designed to be used in combi boilers, boilers, central heating systems and similar devices, and to the measurement of the pressure formed in the system and the monitoring of the processes in relation to it. Pressure sensors detect the pressure applied to the system and convert this pressure into a variable proportional electrical signal. These signals are converted into data through the necessary converters to be used in applications.

[0002] The control and traceability of the system is provided through this data. The present invention relates to the pressure sensor, which has a special gasket integrated into the membrane in the membrane (8) part that undertakes the pressure sensing function, and enables the use of both the membrane and the o-ring (7) part are as a single piece (8a) by means of this gasket, making it free from the risk of loosening during assembly and in time, and making the sealing between the body (1) and the cover (2) independent of the assembly tolerances of the parts.Technical Field of The Invention

[0003] The present invention is a type of pressure sensor designed to be used in combi boilers, boilers, central heating systems and similar devices, and is used to measure and monitor the pressure in the system.State of the Art

[0004] The pressure sensor generally converts the pressure applied to the system into data that can be used in the systems through converters and provides measurability, monitoring and controllability of the system by means of the data it provides. In said invention, the membrane that transfers radial sealing and internal pressure to a linear spring is made as a single piece (8a). While it is necessary to use an o-ring for radial sealing in the state of the art, this situation is provided with a special sealing gasket integrated onto the membrane in the invention.

[0005] Pressure sensors, which have volumetric size, are devices used to measure the pressure level of fluids such as liquids and gases. Pressure sensors are widely used in the control and production stages. Pressure sensors are an important safety component that is made to inform the combi control system about the pressure formed in the hydraulic line of the combi, and are generally used in combi boilers in minimum two pieces. Although these sensors have a heat-resistant structure, failures may occur in case of continuous exposure to high temperatures, in cases where the incoming mains water is calcareous, and in cases of short circuits and oxidation that may occur due to water leakage. When the sensors are broken, the boiler operates inefficiently or loses its function completely, affecting comfort negatively.Brief Description of the Invention

[0006] The present invention relates to a pressure sensor that is suitable for use in combi boilers, boilers, central heating systems and similar devices, and has a special gasket integrated into the membrane (8) part undertaking the pressure sensing function, and enables the use of both the membrane and the o-ring (7) part are as a single piece (8a) by means of this gasket, in which the seal between the body (1) and the cover (2) is made by radial compression, independent of the assembly tolerances, and in which the membrane (8) that transfers the radial sealing and the internal pressure to a linear spring (6) is a single piece. Said pressure sensor is characterized by having a body (1) and locking tab design, as well as having a connector (PCB (5)) and seal (4) poke yoke grouping systems that can change for different variants.Detailed Description of the Invention

[0007] Said pressure sensor is generally designed to be used in combi boilers, boilers, central heating systems and similar devices, and enables the monitoring of system pressure values. Pressure sensors measure the pressure values applied to the system and provide the transmission of these measured values to the electronic card (PCB 5). The issue of measuring and transmitting the pressure data applied to the system instantly in a correct and healthy manner is quite important. Currently, three types of pressure sensors are generally used, those used as "On-Off" with dry contact switch, those as "Electrical On-Off" with hall effect sensor, and those that can read pressure values with proportional hall effect sensor.Brief Description of the Drawings

[0008] Figure- 1 : Pressure Sensor Front View

[0009] Figure-2: Pressure Sensor Rear View

[0010] Figure-3: Pressure Sensor Side View

[0011] Figure-4: Pressure Sensor Bottom View

[0012] Figure-5: Pressure Sensor Top View

[0013] Figure-6: Pressure Sensor Sectional View

[0014] Figure-7: Pressure Sensor Section Detail

[0015] Figure-8: Pressure Sensor Exploded View References

[0016] 1. Body2. Cover3. Seal Holder4. Seal5. PCB6. Spring7. O-ring8. Membrane a. Membrane O-ring regionIndustrial Applicability

[0017] Said pressure sensor has been suggested for combi boilers, boilers, central heating systems and similar devices and will be preferred due to its features and advantages.

[0018] Said invention is a specially shaped part to be installed in the same place as known products, but it has a characteristic structure with a different shaping than the state of the art. By means of the different shaping to be done, the non-plastic parts on the product used in the state of the art will be converted to plastic and flexible tabbed structure will be made, and additional connection elements used for assembly will be eliminated, and a simpler, lighter, more advantageous and alternative product will be developed. Our product, which is the subject of the invention, is characterised by being a product that allows both the membrane (8) and the o-ring (7) to be used as a single piece, thanks to the integrated special sealed membrane (8) located inside the pressure sensor of the water passing through the system during operation, and can operate without the need for an extra o-ring, after installation in the same place within the system with the products used in the state of the art. In addition, the integrated sealed membrane (single piece) used in the product, which is the subject of the invention, will provide a usage advantage by means of its completely rigid structure.

[0019] The system is generally formed by grouping the body (1), the membrane (8) in a single piece on the body (1), the seal (4), the seal holder (3), the spring (6) present in the cover (2) and the PCB (5) parts. The invention based on the working principle that the water passing through the system reaches the membrane (8) part located in the pressure sensor with the operation of the system, and the compression of the spring (6) with the pressure applied to the membrane (8) and the movement of the seal (4) relative to the PCB (5) by the magnetic current change created in the Hall effect sensor on it transmits analogue data to the system.

[0020] Said pressure sensor is characterized by working independently of the loosening that may occur in the section where it is installed over time after being installed within the system in the same place as the state of the art and throughout its service life in the system, and providing a long-lasting use.

[0021] Another feature of the invention is that it is characterised by measuring the pressure formed in the system, monitoring the processes and being a product with high measurement accuracy.

[0022] Another feature of the invention relates to the pressure sensor in which the sealing between the body and the cover is independent of the assembly tolerances of the parts.

[0023] Another feature of the invention is that it has a locking tab design on the body. In this way, with the different formatting to be done, by converting the non-plastic parts on the product used in state of the art into plastic and making snap-fit connections with the body and locking nail structure, additional connection elements used for assembly will be eliminated and a simpler, lighter, more advantageous and alternative product will be developed.

[0024] Another feature of the invention is that it has a mutual fit (Poke Yoke) grouping system that prevents incorrect grouping between the PCB (5) and the body (1) for the variants. In this way, incorrect and wrong assembly of the variants will be prevented.

[0025] Another feature of the invention is the use of thermoplastic material. In this way, it is characterised by being lighter than other known similar products, eliminating the rust / corrosion problems that will occur over time and the high service cost that will arise from this.

[0026] Another feature of the invention is that it can be characterised by its long life, high measurement accuracy and high performance.

Claims

Claims

1. A pressure sensor comprising a body (1), a membrane (8), which is a single piece with a self-sealing o-ring structure (8a) on the body (1) and acts as a membrane that provides both spring movement and sealing between the body and the cover, seal (4), seal holder (3), spring (6) and PCB (5) parts present in the cover (2).

2. The pressure sensor according to Claim 1, wherein the system is based on the working principle of transmitting variable voltage / current data to the system by the magnetic current change created by the seal (4) in the sensor on the PCB (5) upon the water passing through the system reaching the membrane (8) part located in the pressure sensor and the spring (6) being compressed by the pressure applied to the membrane (8).

3. The pressure sensor according to Claim 1, characterised in that the pressure sensor body (1) and the cover (2) can be mounted to each other using the flexible tabs on the cover and body without using an extra mounting part.

4. The pressure sensor according to Claim 1, characterised in that for different variants of the pressure sensor, it has a reciprocal tab structure between the PCB (5) and the cover (2) that guarantees that the correct variant is fitted to the correct cover.

5. The pressure sensor according to Claim 1, characterised in that after the pressure sensor is installed in the same place as the known products in the system and since it is polymer, it works independently of the loosening that may occur in the part where it is installed over time throughout its life in the system, and provides a long-lasting use that is not susceptible to rust formation, and eliminates the high service costs that would arise from this.

6. The pressure sensor according to Claim 1, characterised in that it measures the pressure formed in the system, monitors the processes and is a product with high measurement accuracy.

7. The pressure sensor according to Claim 1, characterised in that it is a pressure sensor in which the seal between the body and the cover is independent of the assembly tolerances of the parts.

8. The pressure sensor according to Claim 1, characterised in that, since it has a body and locking tab design, with the different formatting to be done, by converting the non-plastic parts on the product used in state of the art into plastic and making snap-fit connections with the body and locking nail structure, additional connection elements used for assembly will be eliminated and a simpler, lighter, more advantageous and alternative product will be developed.

9. The pressure sensor according to Claim 1, characterised in that, it has a poke yoke grouping system between the PCB (5) and the body (1) for variants, and preventing the faulty and incorrect assembly of variants.

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