CN214701283U - Emptying device and gas equipment - Google Patents
Emptying device and gas equipment Download PDFInfo
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- CN214701283U CN214701283U CN202022939949.1U CN202022939949U CN214701283U CN 214701283 U CN214701283 U CN 214701283U CN 202022939949 U CN202022939949 U CN 202022939949U CN 214701283 U CN214701283 U CN 214701283U
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Abstract
The application discloses emptying device and gas equipment, emptying device includes: the first controller is connected with the input end of the gas proportional valve; the air pressure detection device is arranged at the air inlet; the second controller is connected with the first controller, the first input end is connected with the output end of the air pressure detection device, the first output end is connected with the input end of the air inlet valve, the second output end is connected with the input end of the water inlet valve, and the third output end is connected with the input end of the water outlet valve. This application is through the second controller and the atmospheric pressure detection device who add, uses with the cooperation of first controller and admission valve, water intaking valve, outlet valve to under the condition of leading to water, cutting off the gas, make the work of gas proportional valve, and then consume and remain the gas in the inside of gas proportional valve, finally reach the purpose of the inside gas of quick evacuation gas proportional valve, be favorable to improving production efficiency. But this application wide application in gas equipment technical field.
Description
Technical Field
The application relates to the technical field of gas appliances, in particular to an emptying device and gas equipment.
Background
The gas proportional valve is a device in the gas appliance, and the gas flow and the gas pressure are controlled and stabilized by controlling the valve opening of the gas proportional valve. When gas appliances such as a gas water heater, a gas heating furnace and the like need to enter a production line again for production, usually, a screw at a secondary pressure taking pressure port of a gas proportional valve is manually taken out and the gas proportional valve is placed on the field of the production line for a period of time, gas inside the gas proportional valve is emptied, wherein the secondary pressure of the gas proportional valve refers to the gas pressure after being adjusted by the gas proportional valve.
However, the gas exhaust mode of removing the screw at the secondary pressure tapping port and placing the gas proportional valve for a period of time needs manual work, consumes higher labor cost, and occupies a larger production line field and longer time, thereby causing low production efficiency.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides an emptying device and gas equipment, can empty the inside gas of gas proportional valve fast.
According to an aspect of the embodiment of the present application, an emptying device is provided, which is applied to a gas appliance, the gas appliance includes a gas proportional valve and a heat exchanger, the gas proportional valve is provided with a gas inlet, the heat exchanger is provided with a water inlet and a water outlet, the water inlet is used for communicating with a water inlet valve, the water outlet is used for communicating with a water outlet valve, the gas inlet is used for communicating with a gas inlet valve, the emptying device includes:
the first controller is connected with the input end of the gas proportional valve;
the air pressure detection device is arranged at the air inlet;
the second controller is connected with the first controller and comprises a first input end, a first output end, a second output end and a third output end, the first input end is connected with the output end of the air pressure detection device, the first output end is connected with the input end of the air inlet valve, the second output end is connected with the input end of the water inlet valve, and the third output end is connected with the input end of the water outlet valve.
In the embodiment of the application, the second controller and the air pressure detection device which are additionally arranged are used in cooperation with the first controller, the air inlet valve, the water inlet valve and the water outlet valve, so that the gas proportional valve works under the conditions of water supply and air cut-off, the gas remained in the gas proportional valve is consumed, the purpose of quickly emptying the gas in the gas proportional valve is achieved, the automation degree is high, and the improvement of the production efficiency is facilitated.
In addition, an emptying device according to the above embodiment of the present application may further have the following additional technical features:
optionally, an air inlet pipeline is arranged between the air inlet and the air inlet valve, and the air inlet pipeline is detachably connected with the air inlet.
In the embodiment of the application, the detachable connection mode is adopted for the air inlet pipeline and the air inlet, and the air inlet pipeline can be conveniently detached from the air inlet, so that the air inlet is in contact with air, and the primary pressure at the air inlet is rapidly reduced.
Optionally, the water inlet is further used for communicating with a first air valve, and the water outlet is further used for communicating with a second air valve;
the input end of the first air valve is connected with the fourth output end of the second controller, and the input end of the second air valve is connected with the fifth output end of the second controller.
In an embodiment of the present application, a first air valve and a second air valve are provided for controlling the flow of air into the heat exchanger to dry the moisture in the heat exchanger.
Optionally, a water inlet pipeline is arranged between the water inlet and the water inlet valve, and a water outlet pipeline is arranged between the water outlet and the water outlet valve.
In the embodiment of the application, the water circulation in the heat exchanger is controlled by the matching use of the water inlet pipeline and the water inlet valve and the matching use of the water outlet pipeline and the water outlet valve.
Optionally, a first air pipe is arranged between the first air valve and the water inlet, and a second air pipe is arranged between the second air valve and the water outlet.
In the embodiment of the application, the first air pipe is matched with the first air valve, and the second air pipe is matched with the second air pipe, so that the circulation of the air flow in the heat exchanger is controlled.
Optionally, the first air conduit is connected to the water inlet in parallel with the water inlet conduit, and the second air conduit is connected to the water outlet in parallel with the water outlet conduit.
In the embodiment of the application, through parallelly connected first air conduit with inlet channel, parallelly connected second air conduit with outlet conduit, have the advantage of practicing thrift the pipeline building materials.
Optionally, a start-stop button is further connected to the second input end of the second controller.
In the embodiment of the application, the starting and stopping button is arranged, so that the starting and stopping of the emptying device can be conveniently controlled.
Optionally, the second controller employs a PLC.
In the embodiment of the application, the second controller adopts the PLC, the PLC has the characteristics of strong anti-interference capability and low failure rate, the equipment is easy to expand, the maintenance is convenient, and the PLC can be suitable for severe production line environment.
Optionally, the air pressure detection device employs a pressure sensor.
In the embodiment of the application, the pressure sensor has the characteristics of stable and reliable performance, accurate measurement and convenience in installation, and therefore the pressure sensor is selected to detect primary pressure.
According to another aspect of embodiments of the present application, there is provided a gas appliance including:
a gas proportional valve;
the burner is connected with the gas proportional valve;
a heat exchanger connected to the burner;
an evacuation device as described above, wherein the output end of the evacuation device is connected with the input end of the gas proportional valve.
The utility model provides a gas equipment includes emptying devices, second controller and atmospheric pressure detection device through this emptying devices add, uses with the cooperation of first controller to under the condition of leading to water and cutting off the gas, make the work of gas proportional valve, and then consume and remain the gas in the inside of gas proportional valve, reach the purpose of the inside gas of quick evacuation gas proportional valve, degree of automation is high, is favorable to improving production efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following description is made on the drawings of the embodiments of the present application or the related technical solutions in the prior art, and it should be understood that the drawings in the following description are only for convenience and clarity of describing some embodiments in the technical solutions of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a block diagram of an evacuation device according to the present invention;
fig. 2 is a schematic structural diagram of an evacuation device according to the present invention.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms "first," "second," "third," and "fourth," etc. in the description and claims of this application and in the accompanying drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
The utility model provides an emptying device is applied to gas equipment, and gas equipment includes gas proportional valve and heat exchanger, as shown in fig. 1 and fig. 2, gas proportional valve 101 is equipped with air inlet 102, and heat exchanger 201 is equipped with water inlet 202 and delivery port 203, and water inlet 202 is used for and water intaking valve 601 intercommunication, and delivery port 203 is used for and goes out water valve 602 intercommunication, and air inlet 102 is used for and intake valve 603 intercommunication, and emptying device includes:
the first controller 301 is connected with the input end of the gas proportional valve 101;
an air pressure detection device 103 provided at the air inlet 102;
the second controller 501 is connected to the first controller 301, and includes a first input end, a first output end, a second output end, and a third output end, the first input end is connected to the output end of the air pressure detecting device 103, the first output end is connected to the input end of the air inlet valve 603, the second output end is connected to the input end of the water inlet valve 601, and the third output end is connected to the input end of the water outlet valve 602.
In the embodiment of the application, the primary pressure of the gas proportional valve 101 is detected by the gas pressure detection device 103, the primary pressure refers to the gas pressure at the gas inlet 102, and the gas pressure after the gas enters the gas proportional valve 101 and is adjusted by the gas proportional valve 101 is the secondary pressure, so that the gas proportional valve 101 plays a role in controlling the gas flow and stabilizing the gas pressure.
The air pressure detecting device 103 transmits the primary pressure detected in real time to the second controller 501, and when the primary pressure is low (typically, a small value, such as 20Pa), the second controller 501 triggers a control signal to control the inlet valve 601 and the outlet valve 602 to open and control the inlet valve 603 to close, so as to supply water to the heat exchanger 201 and cut off the gas supply of the gas proportional valve 101, wherein the inlet valve 601 and the outlet valve 602 are used for controlling the water flow in and out of the heat exchanger 201, and the inlet valve 603 is used for controlling the on and off of the gas supply.
The second controller 501, while triggering the control signal to control the water inlet valve 601, the water outlet valve 602 to open and the air inlet valve 603 to close, also communicates with the first controller 301, so that the first controller 301 controls the gas proportional valve 101 to operate, the gas proportional valve 101 releases the residual gas therein to the burner 401, the burner 401 continuously heats the water flowing in the heat exchanger 201, after the operation time of the gas proportional valve 101 reaches a preset time, the first controller 301 triggers the control signal to control the gas proportional valve 101 to stop operating, the second controller 501 triggers the control signal to control the water inlet valve 601, the water outlet valve 602 to close, the gas proportional valve 101 consumes the gas therein, thereby achieving the purpose of exhausting the gas inside the gas proportional valve 101, wherein the preset time can be set according to actual production experience, for example, the preset time can be set to 30 seconds, the gas proportional valve 101 operates for 30 seconds, and all the gas in the gas proportional valve 101 can be consumed.
Therefore, can see by above-mentioned embodiment, compare in get the secondary pressure get the screw of pressure port department, place the gas exhaust mode of the gas proportional valve 101 of a period, the gas in this application can the rapid evacuation gas proportional valve, and intelligent degree is high, can improve production efficiency, reduce the cost of labor greatly.
As an alternative embodiment, an air inlet pipe 703 is arranged between the air inlet 102 and the air inlet valve 603, and the air inlet pipe 703 is detachably connected with the air inlet 102.
In this embodiment, an air inlet pipe 703 is disposed between the air inlet 102 and the air inlet valve 603, the air inlet pipe 703 is used for conveying gas into the gas proportional valve 101, and the air inlet pipe 703 is further disposed to be detachably connected to the air inlet 102, so that the gas inlet pipe can be conveniently mounted to the air inlet 102 and can be conveniently detached from the air inlet 102. The air inlet 102 is detachably connected to the air inlet pipe 703, mainly considering that when the evacuation device starts to work, the air inlet pipe 703 is detached from the air inlet 102, so that the gas in the air inlet pipe 703 between the air inlet 102 and the air inlet valve 603 does not enter the gas proportional valve 101, and the pressure can be rapidly reduced in this way.
As an alternative embodiment, the water inlet 202 is also adapted to communicate with a first air valve 604, and the water outlet 203 is also adapted to communicate with a second air valve 605;
an input of the first air valve 604 is connected to a fourth output of the second controller 501 and an input of the second air valve 605 is connected to a fifth output of the second controller 501.
In this embodiment, the first air valve 604 and the second air valve 605 control the flow of the air in the heat exchanger.
When the gas remaining in the gas proportional valve 101 is exhausted, since water continuously flows through the heat exchanger 201, after the gas in the gas proportional valve 101 is exhausted, the water in the heat exchanger 201 needs to be discharged, and the first air valve 604 and the second air valve 605 are controlled to be opened to allow the air flow to flow through the heat exchanger 201 and take away the water in the heat exchanger 201, thereby keeping the heat exchanger 201 dry.
In addition, it should be noted that, in the present application, the first output end, the second output end, the third output end, the fourth output end and the fifth output end of the second controller are mentioned only for distinguishing the connection between the output end of the second controller and different valves, and these five output ends may also be the same output end of the second controller.
For the same reason, the second controller further includes a first input terminal and a second input terminal, and the first input terminal and the second input terminal may also be the same input terminal.
As an alternative embodiment, an inlet pipe 701 is arranged between the inlet 202 and the inlet valve 601, and an outlet pipe 702 is arranged between the outlet 203 and the outlet valve 602.
In this embodiment, the water circulation in the heat exchanger is controlled by the cooperation of the water inlet pipe 701 and the water inlet valve 601 and the cooperation of the water outlet pipe 702 and the water outlet valve 602.
As an alternative embodiment, a first air pipe 704 is provided between the first air valve 604 and the water inlet 202, and a second air pipe 705 is provided between the second air valve 605 and the water outlet 203.
In this embodiment, the first air conduit 704 and the first air valve 604 cooperate with each other, and the second air conduit 705 and the second air valve 605 cooperate with each other, thereby controlling the flow of air through the heat exchanger.
As an alternative embodiment, a first air conduit 704 is connected to the water inlet 202 in parallel with the water inlet conduit 701, and a second air conduit 705 is connected to the water outlet 203 in parallel with the water outlet conduit 702.
In the above embodiment, the water inlet 202 is connected to both the water inlet pipe 701 and the first air pipe 704, so that the water inlet pipe 701 and the first air pipe 704 are designed to be connected in parallel, and then the parallel common pipe is connected to the water inlet 202, compared with the case where the water inlet pipe 701 and the first air pipe 704 are separately connected to the air inlet 102, the water inlet pipe 701 and the first air pipe 704 can share a part of pipes, and the advantage of saving building materials of the pipes is achieved.
Similarly, the outlet 203 is connected to both the outlet pipe 702 and the second air pipe 705, and therefore, the outlet pipe 702 is also provided in parallel with the second air pipe 705.
As an alternative embodiment, the second input end of the second controller 501 is further connected with a start-stop button.
In this embodiment, a start-stop button is further disposed at an input end of the second controller 501, and the start-stop button is used for controlling the start and the pause of the emptying device. It will be understood by those skilled in the art that the start/stop button can be implemented by a button, a key, etc., and is not limited herein.
As an alternative embodiment, the second controller 501 employs a PLC.
In this embodiment, compared with a controller such as a single chip microcomputer, the PLC has the characteristics of strong anti-interference capability and low failure rate, is easy to expand equipment, is convenient to maintain, and is suitable for the working environment of a production line, so that the PLC controller is adopted as the second controller 501.
As an alternative embodiment, the air pressure detecting device 103 employs a pressure sensor.
The implementation manner of the air pressure detection device 103 is many, for example, an air pressure gauge, a pressure sensor, etc., and the embodiment selects the pressure sensor as a possible implementation manner of the air pressure detection device 103, mainly considering that for the measurement of the air pressure, the pressure sensor has the characteristics of stable and reliable performance, accurate measurement and easy installation.
In addition, this application embodiment still provides a gas equipment, and this gas equipment includes:
a gas proportional valve;
the burner is connected with the gas proportional valve;
a heat exchanger connected with the burner;
the output end of the emptying device is connected with the input end of the gas proportional valve.
The gas appliance may be a gas water heater, a gas heating stove, or the like, using gas, thereby being used for evacuation of the gas proportional valve 101.
Similarly, the contents in the embodiment of the gas proportional valve 101 emptying device are all applied to the embodiment of the gas equipment, and the functions implemented in the embodiment of the gas equipment are the same as those in the embodiment of the gas proportional valve 101 emptying device.
This gas equipment passes through the second controller and the atmospheric pressure detection device that the emptying devices add, uses with the cooperation of first controller to under the condition of leading to water and cutting off the gas, make the work of gas proportional valve, and then consume and remain the gas in the inside of gas proportional valve, reach the purpose of the inside gas of quick evacuation gas proportional valve, degree of automation is high, is favorable to improving production efficiency.
The working principle of the utility model is as follows:
after the system is powered on, firstly, the running state of the gas equipment is tested, the start-stop switch is pressed, the second controller 501 triggers control signals to control the water inlet valve 601, the water outlet valve 602 and the gas inlet valve 603 to be opened, so that water flows in the heat exchanger 201 and gas enters the gas proportional valve 101 (the gas enters the gas proportional valve 101 through the gas inlet pipeline 703), at the moment, the first controller 301 controls the gas proportional valve 101 to be opened, the gas proportional valve 101 releases the gas to the combustor 401, the combustor 401 heats the water in the heat exchanger 201, and when hot water flows out, the normal state of the gas equipment is tested.
After the gas equipment is tested, the first controller 301 communicates with the second controller 501, the second controller 501 controls the water inlet valve 601, the water outlet valve 602 and the water inlet valve 603 to be closed, the gas and water cut-off state is maintained, at this time, the gas inlet pipeline 703 is detached from the gas inlet 102, the gas pressure detection device 103 at the gas inlet 102 can detect that the primary pressure rapidly drops, when the primary pressure is lower, the second controller 501 controls the water inlet valve 601 and the water outlet valve 602 to be opened, so that water flows in the heat exchanger 201, meanwhile, the first controller 301 controls the gas proportional valve 101 to work, so that residual gas inside the gas proportional valve 101 is released into the burner 401, the burner 401 heats the water flowing in the heat exchanger 201, when the working time of the gas proportional valve 101 reaches the preset time, the gas inside the gas proportional valve 101 is exhausted, the first controller 301 controls the gas proportional valve 101 to be closed, the second controller 501 controls the inlet valve 601 and the outlet valve 602 to be closed.
After the gas in the gas proportional valve 101 is exhausted, part of the moisture remains in the heat exchanger 201, and therefore, the second controller 501 also controls the first air valve 604 and the second air valve 605 to open, so that the air flow circulates in the heat exchanger 201 to take away the moisture in the heat exchanger 201.
The embodiments of the present application have been described in detail with reference to the drawings, but the present application is not limited to the embodiments, and various changes can be made without departing from the spirit of the present application within the knowledge of those skilled in the art.
Claims (10)
1. The utility model provides an emptying device, is applied to gas equipment, gas equipment includes gas proportional valve and heat exchanger, its characterized in that, the gas proportional valve is equipped with the air inlet, heat exchanger is equipped with water inlet and delivery port, the water inlet is used for communicating with the water intaking valve, the delivery port is used for communicating with the outlet valve, the air inlet is used for communicating with the admission valve, emptying device includes:
the first controller is connected with the input end of the gas proportional valve;
the air pressure detection device is arranged at the air inlet;
the second controller is connected with the first controller and comprises a first input end, a first output end, a second output end and a third output end, the first input end is connected with the output end of the air pressure detection device, the first output end is connected with the input end of the air inlet valve, the second output end is connected with the input end of the water inlet valve, and the third output end is connected with the input end of the water outlet valve.
2. The evacuation device of claim 1, wherein an intake conduit is disposed between said intake port and said intake valve, said intake conduit being removably connected to said intake port.
3. The evacuation device of claim 1, wherein said water inlet is further adapted to communicate with a first air valve and said water outlet is further adapted to communicate with a second air valve;
the input end of the first air valve is connected with the fourth output end of the second controller, and the input end of the second air valve is connected with the fifth output end of the second controller.
4. An evacuation device according to claim 3, wherein an inlet conduit is provided between the inlet and the inlet valve and an outlet conduit is provided between the outlet and the outlet valve.
5. An emptying device according to claim 4, wherein a first air line is provided between the first air valve and the water inlet, and a second air line is provided between the second air valve and the water outlet.
6. The evacuation device of claim 5, wherein said first air conduit is connected in parallel with said water inlet conduit to said water inlet, and said second air conduit is connected in parallel with said water outlet conduit to said water outlet.
7. The evacuation device of claim 1, wherein the second input of the second controller is further coupled to a start-stop button.
8. The evacuation device of claim 1, wherein the second controller is a PLC.
9. The evacuation device of claim 1, wherein said air pressure detecting means comprises a pressure sensor.
10. A gas-fired appliance, comprising:
a gas proportional valve;
the burner is connected with the gas proportional valve;
a heat exchanger connected to the burner;
an evacuation device as claimed in any one of claims 1 to 9, the output of the evacuation device being connected to the input of the gas proportional valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022939949.1U CN214701283U (en) | 2020-12-10 | 2020-12-10 | Emptying device and gas equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022939949.1U CN214701283U (en) | 2020-12-10 | 2020-12-10 | Emptying device and gas equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214701283U true CN214701283U (en) | 2021-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022939949.1U Active CN214701283U (en) | 2020-12-10 | 2020-12-10 | Emptying device and gas equipment |
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|---|---|
| CN (1) | CN214701283U (en) |
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2020
- 2020-12-10 CN CN202022939949.1U patent/CN214701283U/en active Active
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