Water meter box pressure monitoring device

Abstract

The utility model discloses a water meter box pressure monitoring device, and belongs to the technical field of water meter boxes. A water meter box pressure monitoring device comprises a connector arranged on a water segregator, the connector is connected with a pressure sensor through a locking assembly, the detection end of the pressure sensor faces a cavity of the connector, and after the locking assembly is locked, pressure attached to the connector is applied to the pressure sensor in the axis direction of the connector; according to the utility model, the detection head can be correctly mounted on the water segregator, so that the detection end of the ceramic chip on the detection head always faces the cavity of the connector, and the sensitivity of signal reaction of the ceramic chip on the detection head is improved, thereby ensuring the accuracy of water pressure monitoring.

Description

TECHNICAL FIELD

[0001] The utility model relates to water meter box technical field especially relates to a water meter box pressure monitoring device. BACKGROUND

[0002] With the acceleration of urbanization, the effective management and utilization of water resources are increasingly valued, and intelligent water meters, as the core equipment of water management, not only responsible for accurate metering of user's water consumption, but also play an important role in ensuring the stability of water quality and water pressure, in order to realize more intelligent water management, the application of water meter box pressure monitoring device is particularly key. The device can monitor the water pressure change in the water meter box in real time, provide important data support for water supply management, and significantly improve the operation efficiency and safety of water supply system.

[0003] In the prior art, intelligent water meter box is usually located at the end of the main water supply pipeline, mainly responsible for delivering water to household or commercial users, the design and function of such water meter box directly affect the supply and quality of water, therefore, by directly installing ceramic pressure monitoring sensor on the water meter box, the water pressure of the water meter box can be monitored in real time, and potential problems such as abnormal water pressure can be found in time, the traditional installation process usually simply places the ceramic pressure monitoring sensor in the water meter box, although this method can realize basic monitoring function, but there are some deficiencies, the water meter box does not reserve correct installation hole, and the wrong installation position may cause the ceramic pressure monitoring sensor signal to be not sensitive, thereby causing the error of water pressure monitoring. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the problem that the wrong installation position of the water meter box in the prior art may cause the ceramic pressure monitoring sensor signal to be not sensitive, and provides a water meter box pressure monitoring device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A water meter box pressure monitoring device, comprising a connecting head arranged on a water distributor, a pressure sensor is connected to the connecting head through a locking assembly, and the detection end of the pressure sensor faces the cavity of the connecting head, when the locking assembly is locked, the pressure sensor is pressed to the connecting head along the axis direction of the connecting head.

[0007] In order to facilitate the conveying of the value on the detection head, preferably, the sensor comprises a detection head, the two ends of the detection head are respectively provided with a wiring board and a ceramic sheet, and the diameter of the detection head is greater than that of the wiring board.

[0008] In order to facilitate the detection head limiting fixed, further, the locking assembly includes a limiting ring, the connecting head is circumferentially equidistantly provided with a threaded hole, the limiting ring is threadedly connected on the threaded hole, when the limiting ring is locked, the limiting ring is abutted with the end face of the detection head.

[0009] In order to facilitate the detection head installation, still further, the connecting head is provided with a mounting groove, and the detection head is arranged in the mounting groove.

[0010] In order to facilitate the detection head power supply, preferably, the mounting groove is fixedly connected with a limiting strip, a limiting groove is formed in the circumferential surface of the detection head, and the limiting groove is attached to the limiting strip.

[0011] In order to make the detection head quickly respond, preferably, the response time of the detection head is less than 1 millisecond.

[0012] In order to facilitate the detection head and the terminal block installation, preferably, the diameter ratio of the detection head and the terminal block is 0.5-1.

[0013] In order to facilitate the detection head internal temperature detection, preferably, the detection head is provided with a thermistor and a heating resistor, and the thermistor measures the internal temperature of the detection head.

[0014] Preferably, the detection head range is 2bar-400bar.

[0015] Preferably, the temperature compensation range of the detection head is -10°-85°.

[0016] Compared with the prior art, the utility model provides a water meter box pressure monitoring device, has the following beneficial effects:

[0017] 1、 the water meter box pressure monitoring device, through the locking bolt can be locked to the detection head, make the detection head correctly install on the water distributor, make its detection head on the ceramic piece detection end always faces the cavity of the connecting head, improve the sensitivity of the ceramic piece signal reaction on the detection head, thereby ensure the accuracy of water pressure monitoring;

[0018] 2、 the water meter box pressure monitoring device, through the use limiting ring is fixedly connected to the detection head, and then can improve the stability of the detection head detection.

[0019] The part not involved in the device is same as the prior art or can be realized by using the prior art, the utility model correctly installs the detection head on the water distributor, makes its detection head on the ceramic piece detection end always faces the cavity of the connecting head, improves the sensitivity of the ceramic piece signal reaction on the detection head, thereby ensure the accuracy of water pressure monitoring. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 A three-dimensional structure schematic view of a water meter box pressure monitoring device is provided in the utility model.

[0021] Figure 2 A partial structure schematic view of a water meter box pressure monitoring device is provided in the utility model. Figure 1 ;

[0022] Figure 3 A partial structure schematic view of a water meter box pressure monitoring device is provided in the utility model. Figure 2 ;

[0023] Figure 4 A planar structure schematic view of a water meter box pressure monitoring device is provided in the utility model.

[0024] In the figure: 1, detection head; 2, wiring board; 3, connecting pipe; 4, connecting head; 5, mounting groove; 6, limiting strip; 7, limiting ring; 8, locking bolt; 9, concentrator circuit board. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0026] In the description of the utility model, it should be understood that the terms "up", "down", "front", "back", "left", "right", "top", "bottom", "in", "out" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0027] Embodiment:

[0028] With reference to Figure 1 - Figure 4 A water meter box pressure monitoring device, comprising a connecting head 4 arranged on a water distributor, a pressure sensor connected to the connecting head 4 through a locking assembly, and the detection end of the pressure sensor facing the cavity of the connecting head 4, when the locking assembly is locked, the pressure sensor is subjected to a pressure along the axis direction of the connecting head 4, which is adhered to the connecting head 4.

[0029] The sensor comprises a detection head 1, and the two ends of the detection head 1 are respectively provided with a wiring board 2 and a ceramic sheet, and the diameter of the detection head 1 is greater than that of the wiring board 2, and the water distributor is arranged on the water meter box, the connecting head 4 is arranged on the water distributor, and the water distributor is connected with a water pipe, and the water pipe extends to the outside through the water meter box, and is used for connecting with the water pipe.

[0030] The detection head 1 used in the device is a ceramic pressure sensor, and a concentrator circuit board 9 is further arranged on the water distributor, the detection head 1 is electrically connected with the concentrator circuit board 9, and a wiring board 2 is further connected with the detection head 1, and the wiring board 2 is electrically connected with the concentrator circuit board 9, and the detection end of the detection head 1 always faces the cavity of the connecting head 4.

[0031] The principle is that if the internal pressure of the connecting pipe 3 is too large, it will push the ceramic sheet on the detection head 1, the ceramic sheet will deform and push the push rod, the push rod will continuously displace and push the touch switch, and the touch switch and the sound and light alarm are further arranged in the water meter box, and the touch switch, the sound and light alarm and the concentrator circuit board 9 are electrically connected, the voltage signal generated on the detection head 1 is transmitted to the display screen of the concentrator circuit board 9 through the connecting line to display the pressure value, and the concentrator circuit board 9 is processed locally, and can also be uploaded to the background server for processing through 4G or 5G, so that the touch switch triggers the sound and light alarm to emit light and brighten, so as to achieve the effect of emitting light and sound to remind the user to take corresponding measures, and a thermistor and a heating resistor are arranged on the detection head 1, and the thermistor measures the temperature inside the detection head 1.

[0032] The connecting pipe 3 is further fixedly connected to the water distributor, and the connecting head 4 is arranged on the connecting pipe 3, and the detection head 1 is detachably connected to the connecting head 4, and the detection end of the detection head 1 faces the cavity of the connecting head 4, and the locking assembly is arranged on the connecting head 4 and cooperates with the connecting head 4, so that the locking assembly can lock the detection head 1, so that the detection head 1 is correctly installed on the water distributor, and the detection end of the detection head 1 always faces the cavity of the connecting head 4, improving the sensitivity of the signal response of the detection head 1, thereby ensuring the accuracy of water pressure monitoring.

[0033] Referring to Figure 1 and Figure 4 , the cross-sectional length of the detection head 1 used in the device is 18mm, the overall thickness is 11.8mm, the diameter ratio of the detection head 1 and the wiring board 2 is 0.5-1, the diameter ratio in the device is 0.8, the thickness of the detection end of the detection head 1 is 6.35mm, and the cross-sectional length of the wiring board 2 is 15mm, in addition, the range of the detection head 1 is 2-400bar, and the device can be customized to use 200bar or other suitable values, the supply voltage is 5VDC, the delivery mode is proportional voltage output, 0.5-4.5V, the comprehensive accuracy range is 0.5%, 1%, 2%, 3%, the accuracy used in the device is 2%, the compensation temperature range is -10°-85°, the device is applicable to 0°-65°, the working temperature is -20°-125°, and the response time of the detection head 1 is less than 1ms, and the working current is less than 1.5mA.

[0034] The locking assembly comprises a limiting ring 7, the connecting head 4 is provided with threaded holes at equal intervals in the circumference, the limiting ring 7 is threadedly connected to the threaded holes by locking bolts 8, when the limiting ring 7 is locked, the limiting ring 7 abuts against the end face of the detection head 1, and then the limiting ring 7 can be used to fixedly connect the detection head 1, and the stability of the detection head 1 during detection is improved.

[0035] The connecting head 4 is provided with a mounting groove 5, the detection head 1 is arranged on the mounting groove 5 by connecting a rubber card, the mounting groove 5 is fixedly connected with a limiting strip 6, the circumferential surface of the detection head 1 is provided with a limiting groove, the limiting groove is in abutment with the limiting strip 6, and the cross-sectional shape of the mounting groove 5 corresponds to the cross-sectional shape of the detection head 1, so that the detection head 1 is prevented from shaking.

[0036] In order to improve the sealing effect of the limiting ring 7, the limiting ring 7 is made of rubber or silica gel.

[0037] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A water meter box pressure monitoring device comprising a connection head (4) arranged on a water distributor, characterized in that, The connecting head (4) is connected with a pressure sensor through a locking assembly, and the detection end of the pressure sensor faces the cavity of the connecting head (4); when the locking assembly is locked, the pressure sensor is pressed against the connecting head (4) along the axial direction of the connecting head (4).

2. A water meter box pressure monitoring device according to claim 1, wherein, The sensor comprises a detection head (1), and the two ends of the detection head (1) are respectively provided with a terminal plate (2) and a ceramic sheet, and the diameter of the detection head (1) is greater than that of the terminal plate (2).

3. A water meter box pressure monitoring device according to claim 1, wherein, The locking assembly comprises a limiting ring (7), and the connecting head (4) is provided with a threaded hole at a circumferential equidistant position, and the limiting ring (7) is threadedly connected to the threaded hole through a locking bolt (8); when the limiting ring (7) is locked, the limiting ring (7) abuts against the end face of the detection head (1).

4. A water meter box pressure monitoring device according to claim 2, wherein, The connecting head (4) is provided with a mounting groove (5), and the detection head (1) is arranged in the mounting groove (5).

5. A water meter box pressure monitoring device according to claim 4, wherein, The mounting groove (5) is fixedly connected with a limiting strip (6), and a limiting groove is formed in the circumferential surface of the detection head (1), and the limiting groove is in abutment with the limiting strip (6).

6. A water meter box pressure monitoring device according to claim 2, wherein, The response time of the detection head (1) is less than 1ms.

7. A water meter box pressure monitoring device according to claim 2, wherein, The diameter ratio of the detection head (1) and the terminal plate (2) is 0.5-1.

8. A water meter box pressure monitoring device according to claim 7, characterised in that, The detection head (1) is provided with a thermistor and a heating resistor, and the thermistor measures the temperature inside the detection head (1).

9. A water meter box pressure monitoring device according to claim 2, wherein, The range of the detection head (1) is 2-400bar.

10. A water meter box pressure monitoring device according to claim 2, wherein, The temperature compensation range of the detection head (1) is -10°-85°.

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