CN220749105U - Three-way valve - Google Patents
Three-way valve Download PDFInfo
- Publication number
- CN220749105U CN220749105U CN202320984275.8U CN202320984275U CN220749105U CN 220749105 U CN220749105 U CN 220749105U CN 202320984275 U CN202320984275 U CN 202320984275U CN 220749105 U CN220749105 U CN 220749105U
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- Prior art keywords
- inlet
- way valve
- valve
- outlet
- control module
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 229910001369 Brass Inorganic materials 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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- Electrically Driven Valve-Operating Means (AREA)
Abstract
The utility model discloses a three-way valve, comprising: the valve body is internally provided with a containing cavity, a first inlet, a second inlet and an outlet which are respectively communicated with the containing cavity; the valve core is provided with a right-angle flow channel penetrating through the valve core, and the valve core is rotatably arranged in the accommodating cavity, so that two end parts of the flow channel can be respectively communicated with one of the first inlet, the second inlet and the outlet or be closed by the cavity wall of the accommodating cavity; the control module is connected with the valve core, and the control module controls the rotation position of the valve core, so that the three-way valve is switched among three states of closing, left conduction and right conduction, in the left conduction state, the first inlet and the outlet are conducted through the flow channel, and in the right conduction state, the second inlet and the outlet are conducted through the flow channel.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a three-way valve.
Background
The three-way valve is a valve device with three ports on the valve body. The internal flow passage of the existing electric valve is always in a right angle shape, and the flow passage is in a right angle type three-way valve which is manually switched, and the opening and closing degree of the valve cannot be adjusted, so that the flow ratio cannot be adjusted.
Disclosure of Invention
According to an aspect of the present utility model, there is provided a three-way valve comprising:
the valve body is internally provided with a containing cavity, a first inlet, a second inlet and an outlet which are respectively communicated with the containing cavity;
the valve core is provided with a right-angle flow channel penetrating through the valve core, and the valve core is rotatably arranged in the accommodating cavity, so that two end parts of the flow channel can be respectively communicated with one of the first inlet, the second inlet and the outlet or be closed by the cavity wall of the accommodating cavity;
the control module is connected with the valve core, and the control module controls the rotation position of the valve core, so that the three-way valve is switched among three states of closing, left conduction and right conduction, in the left conduction state, the first inlet and the outlet are conducted through the flow channel, and in the right conduction state, the second inlet and the outlet are conducted through the flow channel.
The three-way valve does not need to be manually switched, but is switched through the control module, so that the operation is convenient.
In some embodiments, the control module controls the rotational position of the spool such that in the left pass state, the first inlet and outlet ports may be partially or fully open through the flow passage and/or in the right pass state, the second inlet and outlet ports may be partially or fully open through the flow passage.
In some embodiments, the control module controls the rotation position of the valve core, so that the conduction rate a of the three-way valve in the left conduction state or the right conduction state can take any value in the range of 0 < a less than or equal to 100%.
In some embodiments, the control module comprises an actuator and a power supply for supplying power to the actuator, the power supply is connected with the actuator, an output shaft of the actuator is connected with the valve core, and the valve core is controlled by the output shaft and rotates to realize state switching of the three-way valve.
In some embodiments, the actuator includes a control circuit and a motor, the motor is connected to the power supply through the control circuit, and an output shaft of the motor is connected to the valve core.
In some embodiments, the control module further comprises a switch disposed between the control circuit and the power supply;
the closing of the three-way valve comprises power-off closing and standby closing, and when the power-off is closed, the switch is turned off; when the standby is closed, the switch is closed, and the control circuit sends a closing instruction to the motor, so that the valve core rotates to a closing position.
In some embodiments, the control circuit controls the conduction rate of the three-way valve by the magnitude of the analog current value or voltage value output to the motor.
In some embodiments, the control module controls the spool to rotate toward a nearby closed position when the three-way valve is closed.
In some embodiments, the control module and the valve core are in transmission connection through a valve rod.
In some embodiments, the valve stem is disposed perpendicular to a plane in which central axes of the first inlet, second inlet, and outlet lie.
Drawings
FIG. 1 is a schematic diagram of a three-way valve according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram illustrating a right-turn-on state of a three-way valve according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram illustrating a left-turn-on state of a three-way valve according to an embodiment of the present utility model;
fig. 4 is a schematic structural view of a three-way valve in a left fully closed state according to an embodiment of the present utility model.
Fig. 5 is a schematic diagram illustrating an internal structure of a control module according to an embodiment of the present utility model.
Wherein, 1 is the valve body, 2 is the accommodation chamber, 3 is first entry, 4 is the second entry, 5 is the export, and 6 is the runner.
Detailed Description
The utility model is described in further detail below with reference to the accompanying drawings.
Fig. 1 schematically shows a three-way valve according to an embodiment of the utility model. As shown in fig. 1-4, the device comprises a valve body 1, a valve core, a valve rod and a control module.
Wherein hold chamber 2, first entry 3, second entry 4 and export 5 have been seted up to valve body 1 inside, hold chamber 2 and locate the center of valve body 1, first entry 3 and second entry 4 are located respectively and are held the left and right sides both ends of chamber 2, and the bottom of holding chamber 2 is located to export 5, and first entry 3, second entry 4 and export 5 all run through the outer wall of valve body 1, hold chamber 2 for spherical for place the case, and make the case rotatable in holding chamber 2.
The valve core is internally provided with a runner 6 which penetrates through the valve core, the runner 6 is L-shaped, one end of the runner 6 is communicated with an outlet 5, the other end of the runner can be communicated with a first inlet 3 or a second inlet 4, a valve rod is perpendicular to a plane where central shafts of the first inlet 3, the second inlet 4 and the outlet 5 are located (namely, a plane perpendicular to the plane shown in fig. 1-4), the lower end of the valve rod is arranged on the valve core, the upper end of the valve rod is connected with a control module, and when the valve core is used, the control module can control the rotating position of the valve core, so that the opening, the closing and the switching of the runner and the valve opening proportion are realized.
As shown in fig. 5, the control module includes a power source, a switch, and an actuator.
Specifically, in the present embodiment, the actuator may be an a20 series actuator, and in other embodiments, an actuator such as DN20, DN15, DN25, or DN32 may be used as long as the function of the actuator can be achieved. The actuator comprises a control circuit and a motor, wherein a power supply is used for supplying power to the actuator, an actuator shell is taken as a boundary, a space of a control module is divided into an inner part and an outer part, the power supply and a switch are arranged outside, the control circuit and the motor are internally arranged, the power supply is used for supplying power to the control circuit, the control circuit outputs analog current values or voltage values with different sizes to the motor to control the output shaft of the motor to rotate in different degrees, the output shaft of the motor is coaxially connected with a valve rod through a sleeve, so that the function of controlling the rotation of a valve core is realized, the connection mode of the output shaft of the motor and the valve rod is not limited to coaxial connection, and other connection modes capable of driving the valve rod to rotate can be realized through gear engagement and the like.
The control mode of the actuator is as follows:
as shown in fig. 5, when in use, the control circuit is connected with the positive electrode and the negative electrode of the power supply respectively through the lead wires, the current is output through the power supply, the control circuit receives the current, and the output shaft of the motor is controlled to rotate in different degrees by outputting analog current values with different magnitudes to the motor, so that the opening and closing of the valve, the switching and the adjustment of the opening proportion of the valve are realized.
In this embodiment, the valve body may be made of brass. The valve body 1 made of brass can meet the strength requirement of the three-way valve, and meanwhile, the manufacturing cost can be reduced. In other embodiments, the valve body may be made of stainless steel, aluminum, or plastic.
The working state of the three-way valve is as follows:
right full closure: the output analog quantity current range of the control circuit is 0-4mA, only one end of the flow channel is communicated with the second inlet 4, the other end of the flow channel faces the cavity wall of the accommodating cavity, the three-way valve is in a closed state, no liquid flows through the three-way valve, and the conductivity a=0.
Fig. 1 shows one of the right full-closed states, and the conduction ratio a=0.
Right conduction: the output analog current range of the control circuit is 6.67-9.33mA, the valve core can be regarded as rotating clockwise relative to the position of FIG. 1, one end of the flow channel is partially or completely communicated with the second inlet 4, the other end of the flow channel is partially or completely communicated with the outlet 5, at the moment, liquid can flow in from the second inlet 4 and flow out from the outlet 5, the outlet 5 and the second inlet 4 can be partially or completely conducted (namely, the right is completely conducted hereinafter), and at the moment, the conduction rate is more than 0 and less than or equal to 100 percent.
Fig. 2 shows an extreme state of right conduction: all right: the outlet 5 and the second inlet 4 are fully conductive with a conductivity a=100%.
Left conduction: the output analog current range of the control circuit is 14.67-17.33mA, the valve core can be regarded as rotating clockwise relative to the position of fig. 2, one end of the flow channel is partially or fully communicated with the first inlet 3, the other end of the flow channel is partially or fully communicated with the outlet 5, at the moment, liquid can flow in from the first inlet 3 and flow out from the outlet 5, the outlet 5 and the first inlet 3 can be partially or fully conducted (namely left Quan Tong below), and at the moment, the conduction rate is more than 0 and less than or equal to 100 percent.
Fig. 3 shows an extreme state of left conduction: left Quan Tong: the outlet 5 and the first inlet 3 are fully conductive with a conductivity a=100%.
Left full closure: the output analog current range of the control circuit is larger than 20mA, only one end of the flow channel is communicated with the first inlet 3, the other end of the flow channel faces the cavity wall of the accommodating cavity, and at the moment, the three-way valve is in a closed state, and no liquid flows through the three-way valve.
Fig. 4 shows one of the states of the left full closure, with the conduction ratio a=0.
When the three-way valve is in a left conduction state and a right conduction state, the specific value of the current can be adjusted in the range of outputting analog quantity current, namely the valve opening proportion can be changed, so that the conduction rate a can take any value in the range of 0 < a < 100%, and the control of parameters such as flow, flow rate and the like is realized. The left fully closed state and the right fully closed state are both closed states.
When the valve is required to be closed, the switch is turned off, the power supply stops supplying power, the valve core rotates to the nearby closing position (namely the position of left full closing or right full closing), the movement stroke of the valve core can be saved, the abrasion is reduced, and the service life of the valve core is prolonged.
In some embodiments, the shutdown may include a power-off shutdown and a standby shutdown. When the standby is off, the switch is not turned off, and a closing command is output to the motor by the control circuit, so that the valve element rotates to a close closing position.
What has been described above is merely some embodiments of the present utility model. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the utility model.
Claims (8)
1. A three-way valve, comprising:
the valve body is internally provided with a containing cavity, a first inlet, a second inlet and an outlet which are respectively communicated with the containing cavity;
a spool provided with a right angle flow passage penetrating the spool, the flow passage having two ends, the spool being rotatably mounted within the receiving chamber such that each end of the flow passage can communicate with one of the first inlet, the second inlet and the outlet or be closed by a chamber wall of the receiving chamber;
the control module is connected with the valve core, and controls the rotating position of the valve core, so that the three-way valve is switched between a closed state, a left conduction state and a right conduction state, the first inlet and the outlet are conducted through the flow channel in the left conduction state, and the second inlet and the outlet are conducted through the flow channel in the right conduction state;
the control module controls the rotational position of the spool such that in the left conductive state, the first inlet and outlet may be partially or fully conductive through the flow passage and/or in the right conductive state, the second inlet and outlet may be partially or fully conductive through the flow passage;
the control module controls the rotating position of the valve core, so that the conduction rate a of the three-way valve in the left conduction state or the right conduction state can take any value within the range of 0 < a less than or equal to 100 percent.
2. The three-way valve according to claim 1, wherein the control module comprises an actuator and a power supply for supplying power to the actuator, the power supply is connected with the actuator, an output shaft of the actuator is connected with the valve core, and the valve core is controlled by the output shaft and rotates to realize state switching of the three-way valve.
3. The three-way valve according to claim 2, wherein the actuator comprises a control circuit and a motor, the motor is connected to the power supply through the control circuit, and an output shaft of the motor is connected to the valve element.
4. A three-way valve according to claim 3, wherein the control module further comprises a switch, the switch being provided between the control circuit and the power supply;
the closing of the three-way valve comprises power-off closing and standby closing, and when the power-off is closed, the switch is turned off; when the standby is closed, the switch is closed, and the control circuit sends a closing instruction to the motor, so that the valve core rotates to a closing position.
5. A three-way valve according to claim 3, wherein the control circuit controls the conduction rate of the three-way valve by the magnitude of an analog current value or a voltage value output to the motor.
6. A three-way valve according to any one of claims 1-5, wherein the control module controls the valve element to rotate towards a nearby closed position when the three-way valve is closed.
7. A three-way valve according to any one of claims 1-5, wherein the control module is drivingly connected to the valve spool by a valve stem.
8. A three-way valve according to claim 7, wherein the valve stem is disposed perpendicular to a plane in which the central axes of the first inlet, second inlet and outlet are located.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320984275.8U CN220749105U (en) | 2023-04-26 | 2023-04-26 | Three-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320984275.8U CN220749105U (en) | 2023-04-26 | 2023-04-26 | Three-way valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220749105U true CN220749105U (en) | 2024-04-09 |
Family
ID=90550478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320984275.8U Active CN220749105U (en) | 2023-04-26 | 2023-04-26 | Three-way valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220749105U (en) |
-
2023
- 2023-04-26 CN CN202320984275.8U patent/CN220749105U/en active Active
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| GR01 | Patent grant |