CN201438038U - Gas heater with automatic drainage freeze preventer - Google Patents
Gas heater with automatic drainage freeze preventer Download PDFInfo
- Publication number
- CN201438038U CN201438038U CN2009200618935U CN200920061893U CN201438038U CN 201438038 U CN201438038 U CN 201438038U CN 2009200618935 U CN2009200618935 U CN 2009200618935U CN 200920061893 U CN200920061893 U CN 200920061893U CN 201438038 U CN201438038 U CN 201438038U
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- water
- heat exchanger
- gas heater
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- sampler
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Abstract
The utility model relates to a gas heater with an automatic drainage freeze preventer, which comprises a heat exchanger, a water inlet tube, a water outlet tube and a controller. The gas heater is mainly and technically characterized in that the gas heater also comprises a drainage control circuit, a water sampler, a direct-flow wet type two-position four-way electromagnetic reversing valve and a water flow sensor, the direct-flow wet type two-position four-way electromagnetic reversing valve is provided with a cold water inlet end, a hot water outlet end, a first drainage end, a second drainage end, a cold water outlet end and a hot water inlet end, the water inlet of the heat exchanger is communicated with the cold water outlet end, the water outlet of the heat exchanger is communicated with the hot water inlet end, the water flow sensor is mounted at the water inlet of the heat exchanger, the water sampler is mounted in the water outlet tube, and the drainage control circuit is electrically connected with the water sampler, the direct-flow wet type two-position four-way electromagnetic reversing valve, the water flow sensor and the controller. The utility model can effectively and automatically drain water and eliminate the potential hazard that the water tube in the heat exchanger is bursted because the water in the tube is frozen when the environment temperature is low.
Description
Technical field: the utility model relates to a kind of gas heater with automatic water-drainage antifreezing device.
Background technology: in the prior art, the water pipe in the heat exchanger bursts because of the water freezing in managing in the gas heater when preventing that environment temperature is low, usually the manual safety valve is set in order to draining on the water pipe of gas heater, owing to need operate manually, when the user forgets when opening the draining of manual safety valve, water capacity easy freezing when temperature is low in the water heater interior conduit, cause existence draining automatically, the defectives such as hidden danger that the water pipe when environment temperature is low in the heat exchanger bursts because of the water freezing in managing.For overcoming these defectives, to developing with the gas heater of automatic water-drainage antifreezing device.
Summary of the invention: technical problem to be solved in the utility model is that a kind of gas heater with automatic water-drainage antifreezing device will be provided, its draining automatically effectively, the hidden danger that the water pipe when the elimination environment temperature is low in the heat exchanger bursts because of the water freezing in managing.
The technical scheme that its technical problem that solves the utility model adopts is: comprise heat exchanger, water inlet pipe, outlet pipe, controller, it also comprises the draining control circuit, water sampler, direct current wet type two-position four-way solenoid directional control valve, water flow sensing unit, direct current wet type two-position four-way solenoid directional control valve is provided with into cold water end, go out the hot water end, first discharge ends, second discharge ends, go out the cold water end, advance the hot water end, the water inlet of heat exchanger with go out the cold water end and be communicated with, the delivery port of heat exchanger with advance the hot water end and be communicated with, water flow sensing unit is installed in water inlet on the heat exchanger, water sampler is installed in the outlet pipe, draining control circuit and water sampler, direct current wet type two-position four-way solenoid directional control valve, water flow sensing unit, controller electrically connects.
Described water sampler comprises positive and negative two electrodes.
Described water sampler is a pressure sensor.
It also comprises first drainpipe, and first drainpipe is communicated with first discharge ends.
It also comprises second drainpipe, and second drainpipe is communicated with second discharge ends.
The utility model is compared the beneficial effect that is produced with background technology:
1, because the utility model adopts the draining control circuit, water sampler, direct current wet type two-position four-way solenoid directional control valve, water flow sensing unit, direct current wet type two-position four-way solenoid directional control valve is provided with into cold water end, go out the hot water end, first discharge ends, second discharge ends, go out the cold water end, advance the hot water end, the water inlet of heat exchanger with go out the cold water end and be communicated with, the delivery port of heat exchanger with advance the hot water end and be communicated with, water flow sensing unit is installed in water inlet on the heat exchanger, water sampler is installed in the outlet pipe, draining control circuit and water sampler, direct current wet type two-position four-way solenoid directional control valve, water flow sensing unit, the structure that controller electrically connects, so its draining automatically effectively, the hidden danger that the water pipe when the elimination environment temperature is low in the heat exchanger bursts because of the water freezing in managing.
Description of drawings: Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structural representation of direct current wet type two-position four-way solenoid directional control valve 7 when water heater start work among Fig. 1.
Fig. 3 is the structural representation of direct current wet type two-position four-way solenoid directional control valve 7 when hull-borne among Fig. 1.
Fig. 4 is the circuit connection box figure of Fig. 1.
The specific embodiment: referring to accompanying drawing 1, accompanying drawing 2, accompanying drawing 3, shown in the accompanying drawing 4, present embodiment comprises outlet pipe 1, water inlet pipe 2, first drainpipe 4, second drainpipe 5, direct current wet type two-position four-way solenoid directional control valve 7, draining control circuit 8, water sampler 9, gondola water faucet switch 10, heat exchanger 12, water flow sensing unit 13, controller 20, direct current wet type two-position four-way solenoid directional control valve 7 is provided with out cold water end 3, advance hot water end 6, first piston 14, second piston 15, go out hot water end 16, second discharge ends 18, first discharge ends 17, advance cold water end 19, the water inlet 21 of heat exchanger 12 with go out cold water end 3 and be communicated with, the delivery port 22 of heat exchanger 12 with advance hot water end 6 and be communicated with, first drainpipe 4 is communicated with first discharge ends 17, second drainpipe 5 is communicated with second discharge ends 18, water flow sensing unit 13 is installed in water inlet 21 places on the heat exchanger 12, water sampler 9, gondola water faucet switch 10, gondola water faucet 11 is installed on the outlet pipe 1, water sampler 9 can comprise positive and negative two electrodes, draining control circuit 8 and water sampler 9, direct current wet type two-position four-way solenoid directional control valve 7, water flow sensing unit 13, controller 20 electrically connects.
When gondola water faucet switch 10 is opened, after water is emitted in the outlet pipe 1 between gondola water faucet switch 10 and the direct current wet type two-position four-way solenoid directional control valve 7, owing to there is not water to flow out in the heat exchanger 12, when water sampler 9 comprises positive and negative two electrodes, it is big that resistance between two electrodes becomes, and this signal passed to draining control circuit 8, after draining control circuit 8 detects signal, draining control circuit 8 is given direct current wet type two-position four-way solenoid directional control valve 7 electric currents, making first piston 14 move to first discharge ends 17 blocks first discharge ends 17, thereby the path between the turnover cold water end 3 and first discharge ends 17 is disconnected, go out cold water end 3 this moment and advance cold water end 19 and be communicated with; Simultaneously second piston 15 moves to second discharge ends 18 second discharge ends 18 is blocked, and the path between the hot water end 6 and second discharge ends 18 disconnects thereby make into, advances hot water end 6 simultaneously and goes out hot water end 16 and be communicated with.Cold water is entered by water inlet pipe 2, flow through into cold water end 19, go out cold water end 3, water inlet 21 arrives in the heat exchangers 12 and is heated to form hot water, flow through then delivery port 22, advance hot water end 6, go out hot water end 16, outlet pipe 1, gondola water faucet switch 10 flow out from gondola water faucet 11 at last, use for the user.
When closing gondola water faucet switch 10, water flow sensing unit 13 in the heat exchanger 12 on the water inlet 21 stops to send signal, draining control circuit 8 is not given direct current wet type two-position four-way solenoid directional control valve 7 electric currents, making first piston 14 move to into cold water end 19 will advance cold water end 19 and block, thereby the path that makes turnover cold water end 3 and advance between the cold water end 19 disconnects, and this moment, cold water end 3 was communicated with path between first discharge ends 17; Make second piston 15 move to out hot water end 16 simultaneously and will go out hot water end 16 and block, thereby make hot water end 6 into and the path that goes out between the hot water end 16 disconnects, advance hot water end 6 this moment and be communicated with path between second discharge ends 18.In the heat exchanger 12 remaining water can flow through successively water inlet 21, go out cold water end 3, first discharge ends 17, flow out from first drainpipe 4 at last, the delivery port 22 of also can flowing through successively, advance hot water end 6, second discharge ends 18, flow out from second drainpipe 5 at last.Whole drainage procedure automaticity height need not manually-operated, draining automatically effectively, the hidden danger that the water pipe when the elimination environment temperature is low in the heat exchanger bursts because of the water freezing in managing.
Water sampler 9 also can be pressure sensor, when gondola water faucet switch 10 is opened, after water is emitted in the outlet pipe 1 between gondola water faucet switch 10 and the direct current wet type two-position four-way solenoid directional control valve 7, owing to there is not water to flow out in the heat exchanger 12, the pressure that this moment, pressure sensor detected diminishes, and this signal passed to draining control circuit 8, other course of work and principle are as previously mentioned.
Claims (6)
1. gas heater with automatic water-drainage antifreezing device, it comprises heat exchanger (12), water inlet pipe (2), outlet pipe (1), controller (20), it is characterized in that it also comprises draining control circuit (8), water sampler (9), direct current wet type two-position four-way solenoid directional control valve (7), water flow sensing unit (13), direct current wet type two-position four-way solenoid directional control valve (7) is provided with into cold water end (19), go out hot water end (16), first discharge ends (17), second discharge ends (18), go out cold water end (3), advance hot water end (6), the water inlet (21) of heat exchanger (12) with go out cold water end (3) and be communicated with, the delivery port (22) of heat exchanger (12) with advance hot water end (6) and be communicated with, water flow sensing unit (13) is installed in the last water inlet (21) of heat exchanger (12) and locates, water sampler (9) is installed in the outlet pipe (1), draining control circuit (8) and water sampler (9), direct current wet type two-position four-way solenoid directional control valve (7), water flow sensing unit (13), controller (20) electrically connects.
2. the gas heater of the automatic water-drainage antifreezing device of band according to claim 1 is characterized in that described water sampler (9) comprises positive and negative two electrodes.
3. the gas heater of the automatic water-drainage antifreezing device of band according to claim 1 is characterized in that described water sampler (9) is a pressure sensor.
4. according to the gas heater of the automatic water-drainage antifreezing device of each described band of claim 1～3, it is characterized in that it also comprises first drainpipe (4), first drainpipe (4) is communicated with first discharge ends (17).
5. according to the gas heater of the automatic water-drainage antifreezing device of each described band of claim 1～3, it is characterized in that it also comprises second drainpipe (5), second drainpipe (5) is communicated with second discharge ends (18).
6. the gas heater of the automatic water-drainage antifreezing device of band according to claim 4 is characterized in that it also comprises second drainpipe (5), and second drainpipe (5) is communicated with second discharge ends (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200618935U CN201438038U (en) | 2009-08-01 | 2009-08-01 | Gas heater with automatic drainage freeze preventer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200618935U CN201438038U (en) | 2009-08-01 | 2009-08-01 | Gas heater with automatic drainage freeze preventer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201438038U true CN201438038U (en) | 2010-04-14 |
Family
ID=42400012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200618935U Expired - Lifetime CN201438038U (en) | 2009-08-01 | 2009-08-01 | Gas heater with automatic drainage freeze preventer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201438038U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453652A (en) * | 2012-06-01 | 2013-12-18 | 陈积夫 | Split control anti-freezing gas water heater |
| CN104165461A (en) * | 2014-08-02 | 2014-11-26 | 广东万家乐燃气具有限公司 | Gas water heater and intelligent water drainage anti-freezing method |
| CN109990486A (en) * | 2019-04-17 | 2019-07-09 | 广东万和新电气股份有限公司 | The antifreeze method and anti-freezing gas water heater of gas heater |
| CN111252099A (en) * | 2020-02-13 | 2020-06-09 | 北京先河交通设备技术有限公司 | Drainage structures for high-speed railway |
-
2009
- 2009-08-01 CN CN2009200618935U patent/CN201438038U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453652A (en) * | 2012-06-01 | 2013-12-18 | 陈积夫 | Split control anti-freezing gas water heater |
| CN103453652B (en) * | 2012-06-01 | 2015-07-08 | 陈积夫 | Split control anti-freezing gas water heater |
| CN104165461A (en) * | 2014-08-02 | 2014-11-26 | 广东万家乐燃气具有限公司 | Gas water heater and intelligent water drainage anti-freezing method |
| CN104165461B (en) * | 2014-08-02 | 2017-06-20 | 广东万家乐燃气具有限公司 | A kind of gas heater and the antifreeze method of intelligent drainage function |
| CN109990486A (en) * | 2019-04-17 | 2019-07-09 | 广东万和新电气股份有限公司 | The antifreeze method and anti-freezing gas water heater of gas heater |
| CN109990486B (en) * | 2019-04-17 | 2023-07-11 | 广东万和新电气股份有限公司 | Antifreezing method for gas water heater and antifreezing gas water heater |
| CN111252099A (en) * | 2020-02-13 | 2020-06-09 | 北京先河交通设备技术有限公司 | Drainage structures for high-speed railway |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100414 |