CN2699239Y - Condenser type water temperature and water level sensing transmitter - Google Patents
Condenser type water temperature and water level sensing transmitter Download PDFInfo
- Publication number
- CN2699239Y CN2699239Y CN 200420026875 CN200420026875U CN2699239Y CN 2699239 Y CN2699239 Y CN 2699239Y CN 200420026875 CN200420026875 CN 200420026875 CN 200420026875 U CN200420026875 U CN 200420026875U CN 2699239 Y CN2699239 Y CN 2699239Y
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- water
- temperature
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- transmitter
- sleeve
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Abstract
The utility model relates to a capacitor type water temperature and water level sensing transmitter which is used for remotely monitoring and controlling the water temperature and the water level in a water tank, and belongs to the technical field of monitoring instrument. The utility model mainly adopts the structure that an insulating sleeve pipe is sheathed outside a metal pipe, the bottom of the metal pipe is provided with the outer casing of the transmitter, a temperature sensor is arranged in the metal pipe, and a circuit board is arranged in the outer casing of the transmitter. The utility model is characterized in that the top end of the metal pipe is provided with an exposed end head which is sealed by the insulating sleeve pipe, the exposed end head is provided with an electrical conduction cap used as an electric connecting point, components which are hermetically connected with each other are arranged between the lower part of the metal pipe and the outer casing of the transmitter, and a signal processing circuit in the circuit board is connected with a single chip computer. The utility model has the advantages of simple, reasonable and compact structure, small size, convenient installation, integration of sensing and transmitting the water temperature and the water level, stable performance, high sensitivity, temperature resistance, voltage resistance, corrosion resistance, oxidation resistance, scale formation resistance, no need of manual maintenance and long service life, and can satisfy the condition that the devices are matched and used with each other, such as domestic water tanks, water heaters, etc.
Description
Technical field
The utility model relates to a kind of condenser type water-temperature water-level sensing transducer, is used to realize water temperature in the water tank and water level are carried out remote monitoring and control, belongs to the monitoring instrument technical field.
Background technology
Before the utility model is made, in prior art, be used for water temperature in the water tank and water level are carried out remote monitoring and control, normally adopt capacitance level transducer.This kind liquid level sensor mainly has insulating sleeve to coat outside metal tube, and metal tube connects terminal box, mounting temperature sensor in metal tube, and connect extension line respectively.The limitation that this liquid level sensor exist to use because of reasons such as structure and mounting meanss, its metering circuit adopts simulation circuits such as AC bridge circuit and starting of oscillation failure of oscillation, and sensitivity is relatively poor, and versatility is poor, is subjected to lead length and weather and influences signal quality; Complicated and the failure rate height of Installation and Debugging, deserved less than being extensive use of.The equipped price of using of the another kind of domestic solar water heater of being is hanged down the resistance-type water-temperature water-level sensor of holding concurrently, it can only divide a few limit, send block signal, it is poor to insert its sealing of working in the water tank, sky of following water tank and the easy oxidation of the electrode of variation repeatedly of full, low temperature to high temperature, make its failure rate height, serviceable life is short.
Technology contents
The purpose of this utility model is to overcome above-mentioned weak point, thereby provides a kind of simple, compact and reasonable for structure; Volume is little, and is easy for installation, can constitute water temperature, water level, sensing, change send integrated, stable performance, highly sensitive, can avoid circuit to disturb, can satisfy the condenser type water-temperature water-level sensing transducer that coordinative composition of equipments such as Domestic water tank and water heater use.
Main solution of the present utility model is achieved in that
The utility model mainly adopts and be with the A utmost point of insulating sleeve 2 as electric capacity outside metal tube 3, the water of insulating sleeve outer contacting is as the B utmost point, transmitter shell 11 is equipped with in metal tube 3 bottoms, mounting temperature sensor 12 in metal tube 3, wiring board 14 is installed in the transmitter shell 11, temperature extension line 13 connection line plates 14 on the temperature sensor 12, it is characterized in that having the exposed termination that is not insulated sleeve pipe 2 sealings on the top of metal tube 3, on exposed termination, be set with conductive cap 1 and be electric contact, between metal tube 3 bottoms and transmitter shell 11 assembly 5 that is tightly connected is housed, signal processing circuit connects single-chip microcomputer 24 in the wiring board 14.
Compared with the prior art the utility model has the following advantages:
1, integrated owing to adopting water temperature, water level, sensing, change to send, it is simple, compact and reasonable for structure, and volume is little, and is easy for installation, can avoid circuit to disturb again; 2, adopt Single-chip Controlling, can guarantee the degree of accuracy of transmission data, the standard digital transmission mode, the continuous output sensitivity height of data is not influenced by conductor spacing, and fault is few; 3, sound construction is reliable, stable performance, highly sensitive, heatproof, withstand voltage, anti-corrosion, anti-oxidant, resistive connection is dirty, must not manual maintenance, long service life; 4, can connect a plurality of displays or controller simultaneously, can adapt to apartment, the concentrated high capacity water tank of villa and the supporting use of water heater with many toilets; 5, can provide the most reliable and practical control device for family expenses open type electric water heater and solar water heater, its control of quality is improved reliable, can impel the development of family expenses open type electric water heater and solar water heater simultaneously again.
Description of drawings
Fig. 1 is implemented on the structural representation of boiler for the utility model.
Fig. 2 is implemented on the structural representation of cold water storage cistern for the utility model.
Fig. 3 is the utility model structure explosive view.
Fig. 4 is the utility model conversion of signals schematic circuit.
Embodiment
Embodiment during following the utility model is incited somebody to action in conjunction with the accompanying drawings is further described:
The utility model mainly inserts condenser type water temperature in the water tank, position sensing transducer vertically upward by the adapter under the water tank bottom plate 20 21, takes over 21 and packs in the heat-insulation layer shell 22.Outside metal tube 3, be set with the A utmost point of edge sleeve pipe 2 as water level electric capacity, the water of insulating sleeve 2 contacts is as the B utmost point, at metal tube 3 roots transmitter shell 11 is housed, and the exposed termination that is not insulated sleeve pipe 2 sealings is arranged on the top of metal tube 3, on exposed termination, be set with conductive cap 1 as the full-water level electric contact.Conductive cap 1 can adopt metal material or adopt the resilient material of conduction to make, as conductive rubber.Between metal tube 3 bottoms and transmitter shell 11, the assembly 5 that is tightly connected is housed.The assembly 5 that is tightly connected is made up of kink nut 6, O-ring seal 7, joint sleeve 8, inner seal ring 9, outer trim ring 10 etc.Band kink nut 6 joint sleeves 8 are main body, mouth is equipped with O-ring seal 7 thereon, in joint sleeve 8 endoporus inner seal ring 9 is housed, metal tube 3 passes in inner seal ring 9 holes and wears to transmitter shell 11 again, from bottom to top outer trim ring 10 is screwed in the inner bolt hole of joint sleeve 8 end openings, so both compressed the sealing that inner seal ring 9 guarantees metal tube 3, fused with transmitter shell 11 again.Usefulness when joint sleeve 8 kink nut 6 is in addition done to install is tightened in kink nut 6 when taking on 21 the screw thread, and condenser type water temperature, level sensor transmitter integral body are fixed.Mounting temperature sensor 12 in metal tube 3, be set with the metal tube 3 outer conductive sleeves 4 that are set with of insulating sleeve 2, Transmitter Line plate 14 is installed in the transmitter shell 11, signal processing circuit connects single-chip microcomputer 24 in the Transmitter Line plate 14, and single-chip microcomputer 24 can become digital signal with the simulation conversion of signals.Except that the temperature extension line 13 that has metal tube 3 center pits to draw connected, the metal tube jump ring lead-in wire 17 that the A utmost point of water level electric capacity connects from metal tube 3 lower ends and the B utmost point were connected on the Transmitter Line plate 14 from the trim ring lead-in wire 18 that outer trim ring 10 picks out on the Transmitter Line plate 14.Expression has water tank bottom plate 20 to be set with that the metal tube 3 of insulating sleeve 2 is outer to be set with conductive sleeve 4 from Fig. 2, and conductive sleeve 4 can adopt metal material or adopt the resilient material that conducts electricity to make, as conductive rubber.Downwards until Transmitter Line plate 14, when this point is 0 water level signal when opening circuit, the metal tube jump ring lead-in wire 17 and the trim ring of the A utmost point go between 18 as C to the wall that conductive sleeve 4 its leads pass metal tube 3 from endoporus
XMeasuring point, work as C
XThe value short circuit is 0 o'clock, is the full water signal, is the important evidence of single-chip microcomputer computing.The controller that the Transmitter Line plate has output lead 19 to transfer to long distance 14 times adopts lead O-ring seal 15 chuckings between output lead 19 and the transmitter cover 16, can keep the sealing property of transmitter.
Mu balanced circuit 23, freq converting circuit 25, water level, temperature signal change-over circuit 26, single-chip microcomputer 24 (HT48R06A-1) are installed on Transmitter Line plate 14.Output lead 19 connects mu balanced circuit 23, and OUT connects single-chip microcomputer 24 by lead.Temperature signal change-over circuit 26, single-chip microcomputer 24 connect temperature extension line 13 respectively by lead, and temperature extension line 13 connects temperature sensor 12.Mu balanced circuit 23, freq converting circuit 25 connect C by metal tube jump ring lead-in wire 17, trim ring lead-in wire 18
XMetal tube jump ring lead-in wire 17, trim ring lead-in wire 18 are connected to freq converting circuit 25 in the Transmitter Line plate 14 with capacitance signal, treated signal is picked water level, temperature signal change-over circuit 26 again, the temperature and resistance signal of simultaneous temperature sensor 12 is picked to water level, temperature signal change-over circuit 26 from temperature extension line 13, exports from output lead 19 after single-chip microcomputer 24 converts digital signal in this circuit.Lead is arranged in addition with the input of the low-tension supply of controller in the output lead 19, and after mu balanced circuit 23 carries out voltage stabilizing as the working power on road completely.
Claims (5)
1, a kind of condenser type water-temperature water-level sensing transducer, employing is set with the A utmost point of insulating sleeve (2) as electric capacity outside metal tube (3), the water of insulating sleeve (2) outer contacting is as the B utmost point, transmitter shell (11) is equipped with in metal tube (3) bottom, mounting temperature sensor (12) in metal tube (3), wiring board (14) is installed in the transmitter shell (11), temperature extension line (13) connection line plate (14) on the temperature sensor (12), it is characterized in that having the exposed termination that is not insulated sleeve pipe (2) sealing on the top of metal tube (3), being set with conductive cap (1) on exposed termination is electric contact, between metal tube (3) bottom and transmitter shell (11) assembly that is tightly connected (5) is housed, signal processing circuit connects single-chip microcomputer (24) in the wiring board (14).
2, condenser type water-temperature water-level sensing transducer according to claim 1, it is characterized in that the described assembly that is tightly connected (5) is made up of kink nut (6), O-ring seal (7), joint sleeve (8), inner seal ring (9), outer trim ring (10), kink nut (6) joint sleeve (8) is a main body, mouth is equipped with O-ring seal (7) thereon, in joint sleeve (8) endoporus inner seal ring (9) is housed, outer trim ring (10) is screwed in the inner bolt hole of joint sleeve (8) end opening.
3, condenser type water-temperature water-level sensing transducer according to claim 1 is characterized in that the described outer conductive sleeve (4) that is set with of metal tube (3) that is set with insulating sleeve (2).
4, condenser type water-temperature water-level sensing transducer according to claim 1 is characterized in that described conductive cap (1) adopts the resilient material of metal material or conduction to make.
5, condenser type water-temperature water-level sensing transducer according to claim 1 is characterized in that described conductive sleeve (4) adopts the resilient material of metal material or conduction to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420026875 CN2699239Y (en) | 2004-04-29 | 2004-04-29 | Condenser type water temperature and water level sensing transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420026875 CN2699239Y (en) | 2004-04-29 | 2004-04-29 | Condenser type water temperature and water level sensing transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2699239Y true CN2699239Y (en) | 2005-05-11 |
Family
ID=34771438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420026875 Expired - Fee Related CN2699239Y (en) | 2004-04-29 | 2004-04-29 | Condenser type water temperature and water level sensing transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2699239Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102116663A (en) * | 2010-12-20 | 2011-07-06 | 皇明太阳能股份有限公司 | Gradient type capacitance sensor |
| CN103471681A (en) * | 2013-09-29 | 2013-12-25 | 湖南宇航科技有限公司 | Capacitance type oil level sensor filling method |
| CN107917743A (en) * | 2017-12-21 | 2018-04-17 | 交通运输部天津水运工程科学研究所 | A kind of tantalum wire tolerance formula Wave Sensor device |
| CN108266911A (en) * | 2018-01-29 | 2018-07-10 | 海宁海光信息科技有限公司 | The bindiny mechanism of sensor and solar water heater |
| CN114498162A (en) * | 2022-02-25 | 2022-05-13 | 深圳市灏胜电子科技有限公司 | Sealed circuit board of waterproof connector and manufacturing method thereof |
-
2004
- 2004-04-29 CN CN 200420026875 patent/CN2699239Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102116663A (en) * | 2010-12-20 | 2011-07-06 | 皇明太阳能股份有限公司 | Gradient type capacitance sensor |
| CN103471681A (en) * | 2013-09-29 | 2013-12-25 | 湖南宇航科技有限公司 | Capacitance type oil level sensor filling method |
| CN107917743A (en) * | 2017-12-21 | 2018-04-17 | 交通运输部天津水运工程科学研究所 | A kind of tantalum wire tolerance formula Wave Sensor device |
| CN108266911A (en) * | 2018-01-29 | 2018-07-10 | 海宁海光信息科技有限公司 | The bindiny mechanism of sensor and solar water heater |
| CN114498162A (en) * | 2022-02-25 | 2022-05-13 | 深圳市灏胜电子科技有限公司 | Sealed circuit board of waterproof connector and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |