CN103994064A - Water pump pressure monitoring assembly - Google Patents
Water pump pressure monitoring assembly Download PDFInfo
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- CN103994064A CN103994064A CN201410264462.4A CN201410264462A CN103994064A CN 103994064 A CN103994064 A CN 103994064A CN 201410264462 A CN201410264462 A CN 201410264462A CN 103994064 A CN103994064 A CN 103994064A
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- monitoring assembly
- water pump
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- pressure monitoring
- pressure
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Abstract
The invention provides a water pump pressure monitoring assembly and belongs to the technical field of water pumps. The water pump pressure monitoring assembly solves the problems that an existing pressure sensor is arranged in a pump cavity, and thus precision is low. The water pump pressure monitoring assembly comprises a pressure sensor and a tubular base body, wherein threads are arranged on the outer side face of one end of the base body, the pressure sensor is fixed in the base body, the pressure face of the pressure sensor faces an end opening of one end of the base body, and the outer surface of the pressure senor is in sealing connection with the inner wall of the base body. The water pump pressure monitoring assembly is internally provided with the pressure sensor, a thermistor and a single-chip microcomputer, and thus the water pump pressure monitoring assembly has the advantage of being high in integration level. The water pump pressure monitoring assembly can be used for monitoring the water pressure and the water temperature of an inner cavity of a pump body of a water pump, and thus subsequent intelligent control is facilitated. The pressure monitoring assembly and the water pump have the advantages of being high in water pressure and water temperature detection precision and long in service life.
Description
Technical field
The invention belongs to pump technology field, particularly relate to a kind of pressure monitoring assembly of water pump.
Background technique
Water pump is the machinery of carrying liquid or making liquid supercharging.Along with social development, water pump automation is also main development direction.People have proposed the scheme that multiple realization is controlled automatically for this reason, as a kind of electric initiative control portable water pump [application number: 200620103777.1 of Chinese patent literature record; Notice of authorization number: CN2918803Y], pressure transducer and temperature transducer are set in pump chamber, each sensor and flow switch are electrically connected with the input end of electronic control circuit, and the output terminal of electronic controller is electrically connected with motor.Whether when work, whether electronic controller works according to the signal control motor of pressure transducer, and then realize control water pump and draw water, and whether electronic controller works according to the signal control motor of temperature transducer, and then avoids motor overheating, plays a protective role.Although such scheme can be realized automatic control, also exist some defects: 1, pressure transducer is arranged in pump chamber, between pressure transducer and the pump housing, have sealing configuration; In actual production, exist that setting pressure sensor is loaded down with trivial details, efficiency is low and be unfavorable for the problems such as maintenance.2, pressure transducer is arranged in pump chamber, although can monitor the pressure of water, exists the problem that precision is low.
Summary of the invention
The object of the invention is to have the problems referred to above for existing technology, proposed a kind of pressure monitoring assembly of water pump, the technical problem to be solved in the present invention is how to improve pressure transducer testing precision and how can more easily pressure transducer be arranged on the pump housing.
Object of the present invention can realize by following technical proposal: the pressure monitoring assembly of this water pump, comprise pressure transducer, and it is characterized in that, this pressure monitoring assembly also comprises matrix in a tubular form, on matrix one end outer side surface, has screw thread; Described pressure transducer is fixed in matrix, and the compression face of pressure transducer is towards the port of described matrix one end; Described pressure transducer outer surface is connected with matrix inner wall sealing.
Water pump comprises the pump housing, and in pressure monitoring assembly, matrix one end is connected with pump housing thread seal, the port of matrix one end and pump housing intracavity inter-connection.This structure can make the pressure of pressure transducer testing pump intracoelomic cavity water; can avoid again pump housing inner chamber high-pressure water flow surge pressure sensor; and then effectively protect pressure transducer, effectively improve the working life of pressure transducer and improve the precision of pressure transducer testing pump intracoelomic cavity hydraulic pressure.In the time of assembling and maintenance, this pressure monitoring assembly can be arranged on the pump housing or on the pump housing and unload easily, therefore has assembling and overhauls advantage easily.Between matrix and the pump housing, both can adopt unsintered tape sealing, also can adopt seal ring sealing, therefore have advantages of that sealing configuration was simple and sealing is high.
In the pressure monitoring assembly of above-mentioned water pump, on described matrix inwall, there is the recessed shoulder of installation, pressure transducer one end face is provided with seal ring with installation between recessed shoulder bottom surface, and the trim ring that has been threaded on recessed shoulder side is installed; Pressure transducer other end and trim ring lean.This structure had both realized pressure transducer outer surface and matrix inner sealing, realized again fixation pressure sensor.
In the pressure monitoring assembly of above-mentioned water pump, described pressure transducer is covered with sensor protection frame outward; Sensor protection frame is protected pressure transducer effectively, especially avoids damaging in installation.
In the pressure monitoring assembly of above-mentioned water pump, described sensor protection frame comprises lower protective pad and upper protective pad; On one end face of lower protective pad, have mounting groove; On the outer side surface of lower protective pad, have guiding groove, on upper protective pad, have and the guiding groove pin that leads one to one.Utilize this fender bracket both to have advantages of easy to assembly, can ensure again the pressure transducer fixing-stable being mounted.
In the pressure monitoring assembly of above-mentioned water pump, described lower protective pad has water passage hole, and described seal ring outer side surface relies on mutually with water passage hole side; This structure can improve seal ring and be mounted the conformity of rear position, can control again the amount of deformation of seal ring, and then improves the sealing between pressure transducer and matrix.
The pressure monitoring assembly of this water pump also comprises thermistor; Pressure transducer one side of matrix inner chamber is for there being water cavity, and opposite side is without water cavity; Thermistor be positioned at matrix without water cavity, thermistor and matrix inwall or trim ring inwall are affixed.The temperature of thermistor energy testing pump intracoelomic cavity water.Between thermistor and matrix inwall or trim ring inwall, be filled with heat-conducting glue; Matrix and trim ring all adopt the material that the thermal conductivity such as copper, aluminium is higher to make; By improving and ensureing the heat transfer efficiency between water and thermistor, and then improve the precision of thermistor detection water temperature.Be enclosed with and adopt collet made of plastic in matrix outside; By reducing heat radiation and the impact of external temperature on substrate temperature of matrix, and then improve the precision of thermistor detection water temperature.
The pressure monitoring assembly of this water pump also comprises single-chip microcomputer, the circuit board of single-chip microcomputer be fixed on matrix without in water cavity, pressure transducer and thermistor are all electrically connected with single-chip microcomputer.
In the pressure monitoring assembly of above-mentioned water pump, the circuit board pad of described single-chip microcomputer is located between pressure transducer and trim ring.
In the pressure monitoring assembly of above-mentioned water pump, this pressure monitoring assembly also comprises the seal closure of the port being connected with matrix phase and can shutoff matrix the other end, is equipped with wire on seal closure, and wire and seal closure sidewall are tightly connected.This structure makes to form sealing without water cavity, improves and is arranged on without part safety in utilization and working life in water cavity thus.
Compared with prior art, in the pressure monitoring assembly of this water pump, there is pressure transducer, thermistor and single-chip microcomputer, thereby have advantages of that level of integration is high.The pressure monitoring assembly of this water pump can be monitored hydraulic pressure and the water temperature of pump body inner chamber, and then facilitates follow-up intelligent control.This pressure monitoring assembly and this water pump there is the hydraulic pressure of detection and water temperature precision high, and the advantage of long service life.
Brief description of the drawings
Fig. 1 is the perspective view of the pressure monitoring assembly of this water pump.
Fig. 2 is the pressure monitoring assembly embodiment's one of this water pump sectional structure schematic diagram.
Fig. 3 is the pressure monitoring assembly embodiment's two of this water pump sectional structure schematic diagram.
Fig. 4 is the pressure monitoring assembly embodiment's three of this water pump sectional structure schematic diagram.
Fig. 5 is the structural representation of sensor protection frame in the pressure monitoring assembly of this water pump.
Fig. 6 is the perspective view originally with the water pump of monitoring assembly.
In figure, A, pressure monitoring assembly; 1, pressure transducer; 2, matrix; 2a, there is water cavity; 2b, without water cavity; 3, seal closure; 4, seal ring; 5, trim ring; 6, lower protective pad; 6a, guiding groove; 7, upper protective pad; 7a, guiding pin; 8, thermistor; 9, circuit board; 10, collet; 11, the pump housing; 11a, water outlet; 12, wire.
Embodiment
Be below specific embodiments of the invention by reference to the accompanying drawings, technological scheme of the present invention is further described, but the present invention be not limited to these embodiments.
Embodiment one
As depicted in figs. 1 and 2, the pressure monitoring assembly of this water pump comprises pressure transducer 1, matrix 2 and seal closure 3.
Matrix 2 in a tubular form, has screw thread on matrix 2 one end outer side surfaces, and this end is for being connected with pump body 11.
Pressure transducer 1 is ceramic sensor element, the side's of being plate or discoideus.Pressure transducer 1 is arranged in matrix 2, on matrix 2 inwalls, there is the recessed shoulder of installation, pressure transducer 1 one end faces and install between recessed shoulder bottom surface and be provided with seal ring 4, install the trim ring 5 that has been threaded on recessed shoulder sidewall, and pressure transducer 1 other end and trim ring 5 lean.Trim ring 5 is hollow structure, can make the wire being connected with pressure sensing pass, and can realize again fixation pressure sensor 1 by screwing trim ring 5, and forces seal ring 4 distortion to realize the sealing between pressure transducer 1 and matrix 2.After pressure transducer 1 is fixed, the compression face of pressure transducer 1 is towards the port of matrix 2 one ends.
Seal closure 3 is for the port of shutoff matrix 2 the other end, and seal closure 3 is threaded connection with matrix 2, between the two can be by unsintered tape or seal ring sealing.On seal closure 3, be equipped with wire 12, wire 12 is tightly connected with seal closure 3 sidewalls.
Embodiment two
The present embodiment is basic identical with embodiment one structure and principle, and different place is: as shown in Figure 3 and Figure 5, the pressure monitoring assembly of this water pump also comprises sensor protection frame, and sensor protection frame wraps pressure transducer 1.Sensor protection frame comprises lower protective pad 6 and upper protective pad 7; On one end face of lower protective pad 6, have mounting groove.On the outer side surface of lower protective pad 6, have guiding groove 6a, on upper protective pad 7, there is the pin 7a that leads one to one with guiding groove 6a; Guiding pin 7a embeds in guiding groove 6a.Lower protective pad 6 has water passage hole, and seal ring 4 outer side surfaces rely on mutually with water passage hole side.
Pressure transducer 1 is embedded in mounting groove, and an end face and the mounting groove bottom surface of pressure transducer 1 lean, and other end and upper protective pad 7 lean.Lower protective pad 6 leans with recessed shoulder bottom surface is installed, and trim ring 5 leans with upper protective pad 7.Realize in compaction process screwing trim ring 5; between upper protective pad 7 and lower protective pad 6 under the leading role of guiding pin 7a and guiding groove 6a; stably dwindle spacing; avoiding screwing trim ring 5 drives upper protective pad 7, pressure transducer 1 to rotate; and then affect pressure transducer 1 testing precision, even damage pressure transducer 1.
Embodiment three
The present embodiment is basic identical with embodiment two structure and principle, and different place is: as shown in Figure 4, the pressure monitoring assembly of this water pump also comprises thermistor 8 and single-chip microcomputer; Thermistor 8 is for detection of the temperature of the pump housing 11 inner chamber water.Pressure transducer 1 one sides of matrix 2 inner chambers are for there being water cavity 2a, and opposite side is without water cavity 2b; Thermistor 8 and single-chip microcomputer be positioned at matrix 2 without water cavity 2b, thermistor 8 is affixed with trim ring 5 inwalls.Pressure transducer 1 and thermistor 8 are all electrically connected with single-chip microcomputer; Circuit board 9 pads of single-chip microcomputer are located between pressure transducer 1 and trim ring 5; Thereby pressure transducer 1, thermistor 8, single-chip microcomputer and upper protective pad 7 are fixed together.
Between thermistor 8 and trim ring 5 inwalls, be filled with heat-conducting glue; Matrix 2 and trim ring 5 are all made of copper; Be enclosed with and adopt collet made of plastic 10 in matrix 2 outsides.Seal closure 3 is threaded connection with collet 10.On seal closure 3, be equipped with wire 12.
As shown in Figure 6, water pump comprises the pump housing 11, and in pressure monitoring assembly A, matrix 2 one ends are connected with the pump housing 11 thread seals, the port of matrix 2 one ends and the pump housing 11 intracavity inter-connections; On the pump housing 11, have water outlet 11a, the port of matrix 2 one ends is near water outlet 11a place.
Claims (9)
1. a pressure monitoring assembly for water pump, comprises pressure transducer (1), it is characterized in that, this pressure monitoring assembly also comprises matrix (2) in a tubular form, on matrix (2) one end outer side surfaces, has screw thread; Described pressure transducer (1) is fixed in matrix (2), and the compression face of pressure transducer (1) is towards the port of described matrix (2) one ends; Described pressure transducer (1) outer surface is connected with matrix (2) inner wall sealing.
2. the pressure monitoring assembly of water pump according to claim 1, it is characterized in that, this pressure monitoring assembly also comprises the seal closure (3) of the port being connected with matrix (2) and can shutoff matrix (2) the other end, on seal closure (3), be equipped with wire (12), wire (12) is tightly connected with seal closure (3) sidewall.
3. the pressure monitoring assembly of water pump according to claim 1, it is characterized in that, on described matrix (2) inwall, there is the recessed shoulder of installation, pressure transducer (1) one end face and install between recessed shoulder bottom surface and be provided with seal ring (4), installs the trim ring (5) that has been threaded on recessed shoulder side; Pressure transducer (1) other end and trim ring (5) lean.
4. the pressure monitoring assembly of water pump according to claim 3, it is characterized in that, between the bottom surface of described pressure transducer (1) and the recessed shoulder of installation, be provided with lower protective pad (6), between pressure transducer (1) and trim ring (5), be provided with protective pad (7); On one end face of lower protective pad (6), have mounting groove, pressure transducer (1) is positioned at mounting groove.
5. the pressure monitoring assembly of water pump according to claim 4; it is characterized in that; on the outer side surface of described lower protective pad (6), have guiding groove (6a), on upper protective pad (7), have and guiding groove (6a) pin (7a) that leads one to one.
6. according to the pressure monitoring assembly of the water pump described in claim 3 or 4 or 5, it is characterized in that, the pressure monitoring assembly of this water pump also comprises thermistor (8); Pressure transducer (1) one side of matrix (2) inner chamber is for there being water cavity (2a), and opposite side is without water cavity (2b); Thermistor (8) be positioned at matrix (2) without water cavity (2b), thermistor (8) and matrix (2) inwall or trim ring (5) inwall are affixed.
7. the pressure monitoring assembly of water pump according to claim 6, is characterized in that, between described thermistor (8) and matrix (2) inwall or trim ring (5) inwall, is filled with heat-conducting glue.
8. the pressure monitoring assembly of water pump according to claim 6, is characterized in that, described matrix (2) outside is enclosed with collet (10).
9. the pressure monitoring assembly of water pump according to claim 6, it is characterized in that, the pressure monitoring assembly of this water pump also comprises single-chip microcomputer, the circuit board (9) of single-chip microcomputer be fixed on matrix (2) without in water cavity (2b), pressure transducer (1) and thermistor (8) are all electrically connected with single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410264462.4A CN103994064B (en) | 2014-06-14 | 2014-06-14 | The pressure monitoring assembly of water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410264462.4A CN103994064B (en) | 2014-06-14 | 2014-06-14 | The pressure monitoring assembly of water pump |
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| Publication Number | Publication Date |
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| CN103994064A true CN103994064A (en) | 2014-08-20 |
| CN103994064B CN103994064B (en) | 2016-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410264462.4A Active CN103994064B (en) | 2014-06-14 | 2014-06-14 | The pressure monitoring assembly of water pump |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107489629A (en) * | 2017-09-28 | 2017-12-19 | 合肥恒大江海泵业股份有限公司 | A kind of submersible pump control system of quantifying irrigation conveying |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1123409A (en) * | 1994-07-27 | 1996-05-29 | Lg电子株式会社 | Pump pressure sensor |
| CN200955964Y (en) * | 2006-01-18 | 2007-10-03 | 北京时代光华电子技术有限公司 | External electronic pressure, temperature detecting device |
| CN101581615A (en) * | 2009-02-23 | 2009-11-18 | 刘铁辉 | Novel silicon pressure sensor, processing method and application thereof |
| CN103674401A (en) * | 2012-09-03 | 2014-03-26 | 东明机电（深圳）有限公司 | Water pump pressure detection device and water pump pressure sensor |
| CN203906246U (en) * | 2014-06-14 | 2014-10-29 | 台州豪贝泵业有限公司 | Pressure monitoring assembly of water pump |
-
2014
- 2014-06-14 CN CN201410264462.4A patent/CN103994064B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1123409A (en) * | 1994-07-27 | 1996-05-29 | Lg电子株式会社 | Pump pressure sensor |
| CN200955964Y (en) * | 2006-01-18 | 2007-10-03 | 北京时代光华电子技术有限公司 | External electronic pressure, temperature detecting device |
| CN101581615A (en) * | 2009-02-23 | 2009-11-18 | 刘铁辉 | Novel silicon pressure sensor, processing method and application thereof |
| CN103674401A (en) * | 2012-09-03 | 2014-03-26 | 东明机电（深圳）有限公司 | Water pump pressure detection device and water pump pressure sensor |
| CN203906246U (en) * | 2014-06-14 | 2014-10-29 | 台州豪贝泵业有限公司 | Pressure monitoring assembly of water pump |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107489629A (en) * | 2017-09-28 | 2017-12-19 | 合肥恒大江海泵业股份有限公司 | A kind of submersible pump control system of quantifying irrigation conveying |
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| Publication number | Publication date |
|---|---|
| CN103994064B (en) | 2016-10-05 |
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Address after: Wenling City, Taizhou City Road, Daxi town of Ocean City province Zhejiang 317525 Industrial Zone No. 496 Patentee after: Zhejiang Haobei pump Limited by Share Ltd Address before: Wenling City, Taizhou City Road, Daxi town of Ocean City province Zhejiang 317525 Industrial Zone No. 496 Patentee before: Taizhou Happy Water Pump Co., Ltd. |