CN207989797U - A kind of multifunction valve, zero cold water water heater - Google Patents
A kind of multifunction valve, zero cold water water heater Download PDFInfo
- Publication number
- CN207989797U CN207989797U CN201721838850.4U CN201721838850U CN207989797U CN 207989797 U CN207989797 U CN 207989797U CN 201721838850 U CN201721838850 U CN 201721838850U CN 207989797 U CN207989797 U CN 207989797U
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- Prior art keywords
- water
- water inlet
- valve
- piston
- chamber
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- Withdrawn - After Issue
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- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 167
- 238000005192 partition Methods 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 2
- 239000008399 tap water Substances 0.000 description 6
- 235000020679 tap water Nutrition 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 1
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- Multiple-Way Valves (AREA)
Abstract
The utility model is related to a kind of multifunction valve, zero cold water water heaters, and multifunction valve includes valve body, and the valve body is equipped with the inlet and outlet for the valve chamber for being connected to the valve body, and valve rod is equipped in the valve body, it is characterised in that：The water inlet includes the first water inlet and the second water inlet；Valve seat is equipped in the valve chamber, the valve chamber is divided into the first intake antrum being connected with first water inlet, the torus of the second intake antrum being connected with the second water inlet, the water chamber being connected with the water outlet and connection first intake antrum and the water chamber by the valve seat, and second intake antrum is connected to the water chamber；First piston corresponding with first water inlet and the torus and second piston corresponding with second water inlet are equipped at intervals on the valve rod.
Description
Technical field
The utility model is related to arrive field of water heaters more particularly to a kind of multifunction valve, using the zero cold of the multifunction valve
Hydro-thermal hydrophone.
Background technology
CN201420272733.6 is disclosed《A kind of three-way control valve》, including valve body, spool, water inlet A, water inlet B
And control valve, spool are located in valve body, water inlet A and water inlet B are located on valve body, and control valve is located in water inlet B,
It is characterized in that the horizontal position of the water inlet A is higher than the horizontal position of the water inlet B, spool is located at water inlet A and water inlet
It is connect between mouth B and with bar one end is thermally expanded, thermally expands the bar other end and connect with fixed plate, fixed plate fixes company with valve interior wall
It connects, fixed plate is equipped with through-hole, and the spool is equipped with water hole.The utility model is controlled by temperature sensitive thermal expansion bar
The movement of piston processed adjusts the mixed proportion of hot water or cold water, and not there is only serious control hysteresis quality, control accuracy is low, no
Suitable in zero cold water gas heater under pressurized state.
Invention content
Technical problem to be solved in the utility model is to provide for the present situation of the prior art and a kind of can accurately switch water
Road and the multifunction valve that water route flow can be adjusted.
Another technical problem to be solved in the utility model is provided and a kind of can increase for the present situation of the prior art
Preheating water temperature and the zero cold water water heater with function of increasing pressure are accurately controlled under pressure condition.
Technical solution is used by the utility model solves above-mentioned technical problem：The multifunction valve, including valve body, it is described
Valve body is equipped with the inlet and outlet for the valve chamber for being connected to the valve body, and valve rod is equipped in the valve body, it is characterised in that：
The water inlet includes the first water inlet and the second water inlet；
It is equipped with valve seat in the valve chamber, the valve chamber is divided into the to be connected with first water inlet by the valve seat
One intake antrum, the second intake antrum being connected with the second water inlet, the water chamber being connected with the water outlet and connection institute
The torus of the first intake antrum and the water chamber is stated, second intake antrum is connected to the water chamber；
Be equipped at intervals on the valve rod first piston corresponding with first water inlet and the torus and with
The corresponding second piston of second water inlet；
It can be respectively at the partition torus and institute by the movement of the valve rod first piston and second piston
The connection for stating the first water inlet opens simultaneously second water inlet, opens first water inlet and be connected to described first simultaneously
Second described in the connection and Partial Blocking of intake antrum and the torus and the partition torus with first water inlet
Three states of intake antrum.
The valve seat is equipped with the perforation worn for the valve rod.
The output end of the valve rod connection motor.
The motor is servo motor.
The valve body is equipped with the first storage tank for housing the first piston, institute after first piston retrogressing
It states valve seat and is equipped with the second storage tank for housing the second piston after second piston retrogressing；
The valve rod is threaded through in the valve seat and can be moved relative to the valve seat.
Use zero cold water water heater of above-mentioned multifunction valve, it is characterised in that the first water inlet connection water heater follows
Ring waterpipe, second water inlet connect water supply pipe, the water inlet line of the water outlet connection water heater, the water inlet
Pipeline is equipped with circulating pump；
Temperature sensor and pressure sensor are equipped in the water inlet line；
The circulating pump, the motor, the pressure sensor connect the control of water heater with the equal electric signal of temperature sensor
Circuit processed.
The water-flow control method of zero cold water water heater, it is characterised in that include the following steps：
When control circuit carries out zero cold water program, the control circuit starts the motor work, is driving the valve rod just
To movement, when the first piston on the valve rod being made to be accommodated in the first storage tank, second piston is accommodated in the second storage tank,
Torus is connected to the first intake antrum and the first water inlet at this time；Start circulating pump simultaneously, the outlet conduit of water heater and it is described into
The water accumulated in waterpipe is formed by the circulating water pipeline and is recycled, by the heating unit heats of water heater；
When the temperature sensor detects that the water temperature in the water inlet line reaches set temperature, the control circuit
The circulating pump is closed, and starts the motor reverse operation, first piston separates the torus and first intake antrum
Between connection, the circulation waterway disconnects；At this point, second piston is still accommodated in second storage tank, described second
Water inlet is connected to second intake antrum and the water chamber, but since the depotition cock of water heater is not turned on, boundary
Outer tap water will not enter in second intake antrum；
When water heater enters normal heating process, the depotition cock of water heater is opened, and first piston is kept described in partition
The state of torus and first water inlet, second water inlet are connected to second intake antrum and the water chamber；Institute
Temperature sensor and the pressure sensor are stated by the water temperature and hydraulic pressure data transfer in the water inlet line detected in real time
To the control circuit, control circuit is compared with setting value, starts the motor reverse operation according to fiducial value, is made described
Second piston moves in second intake antrum, to adjust flow of inlet water；
When the hydraulic pressure in the water inlet line is less than setting value, the control circuit starts the circulating pump and is increased
Pressure, actively extracts tap water, to meet the hydraulic demand of water heater normal operation.
Compared with prior art, multifunction valve provided by the utility model can accurate waterway switching, and adjust water
Road aperture, to regulating water flow；The zero cold water water heater and water-flow control method provided can accurately control zero cold water
Water temperature and in water heater normal heating process, starts circulating pump, makes circulating pump while having zero cold circulating water as needed
The function of stream and water route supercharging, keeps the operation of water heater more stable, leaving water temperature is more accurate；It is cold that zero is realized using a motor
Water recirculated water is cut off and two actions of water servo.
Description of the drawings
Fig. 1 is the stereoscopic schematic diagram of the utility model embodiment 1；
Fig. 2 is the longitudinal sectional view under 1 zero cold water state of the utility model embodiment；
Fig. 3 is the longitudinal sectional view under 1 normal operating conditions of the utility model embodiment；
Fig. 4 is the schematic diagram of the utility model embodiment 2.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing embodiment.
Embodiment
As shown in Figure 1 to Figure 3, which includes：
Valve body 1 which is provided with the first water inlet 11, the second water inlet 12 and the water outlet 13 of the valve chamber of connection valve body 1；
Valve seat 3 is arranged in the valve chamber of valve body 1, and valve chamber is divided into first to be connected with first water inlet 11
Intake antrum 41, the second intake antrum 42 being connected with the second water inlet 12, the water chamber 43 being connected with the water outlet 13 with
And the torus 44 of connection first intake antrum 41 and the water chamber 43, second intake antrum 42 are connected to the water chamber
43.The perforation passed through for valve rod 2 is additionally provided on valve seat 3.
The cross section of valve seat 3 is in T-shape in the present embodiment, and first part is located at the first intake antrum 41 and the second intake antrum
Between 42, second part is located at the middle part of valve chamber, and valve chamber is divided into torus 44 and water chamber 43.
Valve rod 2, is arranged in valve chamber and exposes to valve body 1, and exposed part connects the output shaft of servo motor 5.
Be equipped at intervals on valve rod 2 first piston 21 corresponding with first water inlet 11 and the torus 44 and
Second piston corresponding with second water inlet 12 22.
Valve body 1 is equipped with the first storage tank for housing the first piston 21 after the retrogressing of the first piston 21
14, the valve seat 3 is equipped with the second storage tank 31 that the second piston 22 is housed after the retrogressing of the second piston 22；
The valve rod 2 is threaded through in the perforation of the valve seat 3 and can be moved relative to the valve seat 3.
Servo motor 5 works, and driving stem 2 drives first piston 21 and second piston 22 to move back and forth.When on valve rod 2
When first piston 21 is accommodated in the first storage tank 14, second piston 22 is accommodated in the second storage tank 31, at this time torus 44
It is connected to the first intake antrum 41 and the first water inlet 11；Second water inlet 12 is connected to the second intake antrum 42 and water chamber 43；Such as Fig. 3 institutes
Show.
When first piston 21 removes the first storage tank 14 and blocks the entrance of torus 44, the partition cycle of first piston 2
The connection of chamber 44 and the first water inlet 11, and second piston is still accommodated in the second storage tank 31, the connection of the second water inlet 12
Second intake antrum 42 and water chamber 43.As shown in Figure 2.
When valve rod continues to move to, first piston slides in the first intake antrum, and separates the first intake antrum and torus
Connection；Second piston blocks the second intake antrum of part, to adjust flow of inlet water.
Embodiment 2
It is illustrated in figure 4 the zero cold water water heater using Fig. 1 in embodiment 1 to multifunction valve shown in Fig. 3.
The circulating water pipeline 61 of the first water inlet 11 connection water heater of multifunction valve, the second water inlet 12 connect tap water
Pipeline 62, water outlet 13 connect the water inlet line 63 of water heater, and the water inlet line 63 of water heater is equipped with circulating pump 7, temperature passes
Sensor 64 and pressure sensor 65.
The circulating pump 7, the motor 5, the pressure sensor 65 connect hot water with 64 equal electric signal of temperature sensor
The control circuit 66 of device.
Remaining structure of water heater is same as the prior art.
The water-flow control method of the zero cold water water heater is as follows：
When carrying out zero cold water program, control circuit starts servo motor 5 and works the water heater, and driving stem movement makes
When first piston 21 on valve rod 2 is accommodated in the first storage tank 14, second piston 22 is accommodated in the second storage tank 31, at this time
Torus 44 is connected to the first intake antrum 41 and the first water inlet 11；Start circulating pump 7 simultaneously, the outlet conduit 67 of water heater and into
The water accumulated in waterpipe 63 is formed by circulating water pipeline 61 and is recycled, and is heated by the heating unit 68 of water heater.
In zero cold water process, the second water inlet 12 is connected to the second intake antrum 42 and water chamber 43, but due to water heater
Depotition cock 69 be not turned on, therefore tap water out-of-bounds will not enter in the second intake antrum.
When temperature sensor detects that the water temperature in pipeline reaches set temperature, control circuit closes circulating pump, and opens
Dynamic motor reverse operation makes when at this point, circulation waterway disconnects.Second piston is still accommodated in the second storage tank 31, second into
The mouth of a river 12 is connected to the second intake antrum 42 and water chamber 43, but since the depotition cock of water heater 69 is not turned on, out-of-bounds
Tap water will not enter in the second intake antrum.
When water heater enters normal heating process, the depotition cock of water heater is opened, and first piston 21 keeps partition to follow
The state of ring cavity 44 and the first water inlet 11, second piston are opened, and the second water inlet is kept to be connected to the second intake antrum and water chamber
State；Temperature sensor and pressure sensor by the water inlet line detected in real time water temperature and hydraulic pressure data transfer to control
Circuit processed, control circuit are compared with setting value, and according to Real-time Water startup temperature servo motor reverse operation, make second piston
It is moved in the second intake antrum, to adjust flow of inlet water；When the hydraulic pressure in water inlet line is less than setting value, control circuit opens
Dynamic circulating pump, is pressurized water inlet line, actively extracts tap water, to meet the hydraulic demand of water heater normal operation.
Claims (6)
1. a kind of multifunction valve, including valve body (1), the valve body (1) is equipped with the water inlet for the valve chamber for being connected to the valve body (1)
With water outlet (13), the valve body (1) is interior to be equipped with valve rod (2), it is characterised in that：
The water inlet includes the first water inlet (11) and the second water inlet (12)；
Valve seat (3) is equipped in the valve chamber, the valve chamber is divided by the valve seat (3) to be connected with first water inlet (11)
Logical the first intake antrum (41), the second intake antrum (42) being connected with the second water inlet (12), with the water outlet (13) phase
The water chamber (43) of connection and the torus (44) for being connected to first intake antrum (41) and the water chamber (43), described the
Two intake antrums (42) are connected to the water chamber (43)；
First piston corresponding with first water inlet (11) and the torus (44) is equipped at intervals on the valve rod (2)
(21) and second piston (22) corresponding with the second water inlet (12)；
The partition cycle can be respectively at by the movement first piston (21) and second piston (22) of the valve rod (2)
The connection of chamber (44) and first water inlet (11) opens simultaneously second water inlet (12), opens first water inlet
(11) and be connected to simultaneously first intake antrum (41) and the torus (44) and the partition torus (44) with it is described
Three states of the second intake antrum (42) described in the connection of first water inlet (11) and Partial Blocking.
2. multifunction valve according to claim 1, it is characterised in that the valve seat (3) is equipped with wears for the valve rod (2)
If perforation.
3. multifunction valve according to claim 1, it is characterised in that the output end of valve rod (2) the connection motor (5).
4. multifunction valve according to claim 3, it is characterised in that the motor (5) is servo motor.
5. multifunction valve according to claim 3 or 4, it is characterised in that the valve body (1) is equipped with to be lived described first
Plug is used to house the first storage tank (14) of the first piston (21) after retreating, the valve seat (3) is equipped with described second
Piston houses the second storage tank (31) of the second piston after retreating；
The valve rod (2) is threaded through in the valve seat (3) and can be mobile relative to the valve seat (3).
6. using zero cold water water heater of the multifunction valve as described in claim 3 to 5 any claim, it is characterised in that institute
The circulating water pipeline (61) of the first water inlet (11) connection water heater is stated, second water inlet (12) connects water supply pipe
(62), the water inlet line (63) of water outlet (13) the connection water heater, the water inlet line (63) are equipped with circulating pump (7)；
Temperature sensor (64) and pressure sensor (65) are equipped in the water inlet line (63)；
The circulating pump (7), the motor (5), the pressure sensor (65) and temperature sensor (64) electric signal connect
The control circuit (66) of water heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721838850.4U CN207989797U (en) | 2017-12-25 | 2017-12-25 | A kind of multifunction valve, zero cold water water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721838850.4U CN207989797U (en) | 2017-12-25 | 2017-12-25 | A kind of multifunction valve, zero cold water water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207989797U true CN207989797U (en) | 2018-10-19 |
Family
ID=63817013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721838850.4U Withdrawn - After Issue CN207989797U (en) | 2017-12-25 | 2017-12-25 | A kind of multifunction valve, zero cold water water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207989797U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109958793A (en) * | 2017-12-25 | 2019-07-02 | 宁波方太厨具有限公司 | A kind of multifunction valve, zero cold water water heater and water-flow control method |
| CN111780415A (en) * | 2020-07-14 | 2020-10-16 | 宁波方太厨具有限公司 | Turnover switching device and circulating booster water heater system |
| CN112963583A (en) * | 2021-03-31 | 2021-06-15 | 江苏科技大学 | Accurate control by temperature change tap based on real-time self feedback adjusts |
-
2017
- 2017-12-25 CN CN201721838850.4U patent/CN207989797U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109958793A (en) * | 2017-12-25 | 2019-07-02 | 宁波方太厨具有限公司 | A kind of multifunction valve, zero cold water water heater and water-flow control method |
| CN109958793B (en) * | 2017-12-25 | 2024-01-19 | 宁波方太厨具有限公司 | Multifunctional valve, zero-cooling water heater and water flow control method |
| CN111780415A (en) * | 2020-07-14 | 2020-10-16 | 宁波方太厨具有限公司 | Turnover switching device and circulating booster water heater system |
| CN112963583A (en) * | 2021-03-31 | 2021-06-15 | 江苏科技大学 | Accurate control by temperature change tap based on real-time self feedback adjusts |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20181019 Effective date of abandoning: 20240119 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20181019 Effective date of abandoning: 20240119 |