CN114200970A - Liquid level control device - Google Patents
Liquid level control device Download PDFInfo
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- CN114200970A CN114200970A CN202010977679.5A CN202010977679A CN114200970A CN 114200970 A CN114200970 A CN 114200970A CN 202010977679 A CN202010977679 A CN 202010977679A CN 114200970 A CN114200970 A CN 114200970A
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- 239000007788 liquid Substances 0.000 title claims abstract description 248
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- 239000013589 supplement Substances 0.000 claims abstract description 14
- 230000001502 supplementing effect Effects 0.000 claims abstract description 11
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- 239000010959 steel Substances 0.000 claims description 14
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- 238000002347 injection Methods 0.000 claims description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
- G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means
Abstract
The application provides a liquid level control device, belongs to the technical field of oil field automation. The liquid level control device includes: the liquid level detection mechanism, the liquid level control mechanism and the electromagnetic valve actuating mechanism; the liquid level detection mechanism comprises a magnetic suspension ball cylinder and a reed pipe liquid level detection rod; the liquid level control mechanism is respectively electrically connected with the reed pipe liquid level detection rod and the electromagnetic valve execution mechanism, and the electromagnetic valve execution mechanism is arranged on a water replenishing pipeline of the water storage tank; the liquid level control mechanism is used for controlling the electromagnetic valve actuating mechanism to supplement water to the water storage tank through a water supplementing pipe line when the reed pipe liquid level detection rod detects that the liquid level in the magnetic suspension ball cylinder reaches a first preset value; when the reed pipe liquid level detection rod detects that the liquid level in the magnetic suspension ball cylinder reaches a second preset value, the electromagnetic valve actuating mechanism is controlled to stop water supplement to the water storage tank. This application can realize the automatic control of the liquid level in the automated inspection water storage tank and to the water storage tank moisturizing, and then improves the security of water storage tank.
Description
Technical Field
The application relates to the technical field of oil field automation, in particular to a liquid level control device.
Background
After oil gas is pumped out of an oil well, the oil gas is generally transported to each metering station through an oil outlet pipeline in a heating gathering and transportation mode; and adopt the mode of heating collection defeated to carry out the in-process of transporting to oil gas, need provide hot water for oil outlet line through the water storage tank, only guarantee the liquid level of water storage tank and predetermine the within range, just can guarantee the normal transportation of oil gas.
In the related art, in order to ensure that the liquid level of the water storage tank is within a preset range, a water replenishing pipeline is installed on the water storage tank, and a valve is installed on the water replenishing pipeline. The operator frequently patrols the liquid level of the water storage tank; if the liquid level is lower than the lowest value of the preset range, the valve is manually opened to replenish water to the water storage tank; and if the liquid level is restored to be within the preset range, manually closing the valve and stopping water supplement.
The liquid level of the water storage tank needs to be frequently patrolled by operators in the related art, if the patrolling is not timely, or the operators forget to close the valve during the water replenishing of the water storage tank, the water shortage of the water storage tank or the tank overflow can occur.
Disclosure of Invention
The embodiment of the application provides a liquid level control device, can improve the security of water storage tank. The technical scheme is as follows:
in one aspect, there is provided a liquid level control apparatus, the apparatus comprising: the liquid level detection mechanism, the liquid level control mechanism and the electromagnetic valve actuating mechanism;
the liquid level detection mechanism comprises a magnetic suspension ball cylinder and a reed pipe liquid level detection rod;
two ends of the magnetic suspension ball cylinder are connected with a flange arranged on one side of a water storage tank to be detected through two communicating pipes and are used for keeping the same level with the liquid level in the water storage tank;
the reed pipe liquid level detection rod is parallelly attached and fixed with the magnetic suspension ball cylinder and is used for detecting the liquid level in the magnetic suspension ball cylinder;
the liquid level control mechanism is respectively electrically connected with the reed pipe liquid level detection rod and the electromagnetic valve execution mechanism, and the electromagnetic valve execution mechanism is arranged on a water replenishing pipeline of the water storage tank;
the liquid level control mechanism is used for controlling the electromagnetic valve actuating mechanism to supplement water to the water storage tank through the water supplementing pipeline when the reed pipe liquid level detection rod detects that the liquid level in the magnetic suspension ball cylinder reaches a first preset value; and when the reed pipe liquid level detection rod detects that the liquid level in the magnetic suspension ball cylinder reaches a second preset value, controlling the electromagnetic valve actuating mechanism to stop supplementing water to the water storage tank.
In one possible implementation manner, the magnetic floating ball cylinder comprises a magnetic floating ball and a first cylinder body;
the magnetic floating ball is arranged in the first cylinder, and two ends of the first cylinder are connected with the flange through two communicating pipes;
the reed switch liquid level detection rod comprises a magnetic control reed switch circuit and a second cylinder;
the magnetic control reed switch circuit is arranged in the second cylinder, and the second cylinder and the first cylinder are parallelly and tightly attached and fixed;
the magnetic control reed switch circuit is used for detecting the liquid level of the magnetic floating ball in the first cylinder.
In one possible implementation, the magnetically controlled reed switch circuit includes: the first reed switch is electrically connected with the second reed switch;
the first reed switch is arranged in the second cylinder and corresponds to the liquid level of the first preset value;
the second reed pipe is arranged in the second cylinder and at a position corresponding to the liquid level of the second preset value.
In one possible implementation, the liquid level control mechanism includes: a controller and a relay;
the controller is electrically connected with the reed switch liquid level detection rod and the relay respectively;
the relay is electrically connected with the electromagnetic valve actuating mechanism;
the controller is used for controlling the relay to be electrified when the reed switch liquid level detection rod detects that the liquid level in the magnetic suspension ball cylinder reaches a first preset value; when the reed switch liquid level detection rod detects that the liquid level in the magnetic suspension ball cylinder reaches a second preset value, controlling the relay to lose power;
the relay is used for controlling the electromagnetic valve actuating mechanism to supplement water to the water storage tank when power is on; and when the power is lost, the electromagnetic valve executing mechanism is controlled to stop supplying water to the water storage tank.
In one possible implementation, the solenoid valve actuator includes: the electromagnetic valve, the gate valve and the steel pipe;
the electromagnetic valve and the gate valve are arranged on the steel pipe, and the electromagnetic valve is electrically connected with the liquid level control mechanism;
the steel pipe set up in on the moisturizing pipeline of water storage tank.
In one possible implementation manner, the detection apparatus further includes: a power supply mechanism;
the power supply mechanism is connected with the liquid level control mechanism and used for supplying power to the liquid level control mechanism.
In one possible implementation manner, the detection apparatus further includes: a status light indicating mechanism;
the state lamp indicating mechanism is electrically connected with the liquid level control mechanism and is used for displaying the water injection state of the water storage tank.
In one possible implementation, the status light indicating mechanism includes a first indicator light, a second indicator light, and a third indicator light;
the first indicator light, the second indicator light and the third indicator light are respectively electrically connected with the liquid level control mechanism;
the first indicator light is used for indicating the running state of the liquid level control device;
the second indicator light is used for indicating the running state of the electromagnetic valve actuating mechanism;
and the third indicator light is used for performing fault alarm indication when the liquid level control device has a fault.
In one possible implementation, the status light indicating mechanism further includes: an alarm release button;
the alarm release button is electrically connected with the liquid level control mechanism and used for releasing the current alarm.
In one possible implementation, the status light indication mechanism further comprises a toggle button;
the switching button is electrically connected with the liquid level control mechanism and used for triggering a switching instruction to the liquid level control mechanism;
and the liquid level control mechanism is used for switching the working mode of the electromagnetic valve actuating mechanism between an automatic mode and a manual mode based on the switching instruction.
The technical scheme provided by the embodiment of the invention has the beneficial effects that at least:
according to the liquid level control device provided by the invention, on one hand, two ends of the magnetic suspension ball cylinder are connected with the flange of the water storage tank through two communicating pipes, so that liquid in the water storage tank enters the magnetic suspension ball cylinder through the communicating device, the liquid level in the magnetic suspension ball cylinder is equal to the liquid level in the water storage tank, and the reed pipe liquid level detection rod realizes automatic detection of the liquid level in the water storage tank by detecting the liquid level in the magnetic suspension ball cylinder. On the other hand, the liquid level control mechanism can detect the liquid level in the water storage tank based on the reed pipe liquid level detection rod, and the electromagnetic valve execution mechanism is controlled to automatically replenish water to the water storage tank or stop replenishing water. Based on above two aspects can know, the automatic control to the liquid level and the water storage tank moisturizing in the automated inspection water storage tank can be realized to this application, has avoided because operating personnel's inspection untimely or forget the water storage tank that the valve leads to lack of water or the accident of tank fall. Therefore, the liquid level control device provided by the embodiment of the application can improve the safety of the water storage tank.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a liquid level control apparatus according to an embodiment of the present disclosure;
FIG. 2 is a schematic structural diagram of a liquid level detection mechanism according to an embodiment of the present disclosure;
FIG. 3 is a schematic structural diagram of a reed pipe liquid level detection rod provided by an embodiment of the present application;
FIG. 4 is a schematic structural diagram of another reed pipe liquid level detection rod provided by the embodiment of the application;
FIG. 5 is a schematic structural diagram of a fluid level control mechanism provided in an embodiment of the present application;
FIG. 6 is a schematic structural diagram of an electromagnetic valve actuator according to an embodiment of the present disclosure;
FIG. 7 is a schematic structural diagram of another liquid level control device provided in the embodiments of the present application;
FIG. 8 is a schematic structural diagram of another liquid level control device provided in the embodiments of the present application;
fig. 9 is a schematic structural diagram of a structure of a status indicator light provided in an embodiment of the present application.
Detailed Description
To make the objects, technical solutions and advantages of the present application more clear, embodiments of the present application will be described in further detail below with reference to the accompanying drawings.
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 "comprising" and "having," 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.
Fig. 1 is a schematic view of a liquid level control device according to an embodiment of the present application. Referring to fig. 1, the fluid level control device 1 comprises: the liquid level detection mechanism 10, the liquid level control mechanism 20 and the electromagnetic valve actuating mechanism 30;
the liquid level detection mechanism 10 comprises a magnetic suspension ball cylinder 101 and a reed pipe liquid level detection rod 102;
two ends of the magnetic suspension ball cylinder 101 are connected with a flange arranged on one side of the water storage tank 2 to be detected through two communicating pipes and are used for keeping the same level with the liquid level in the water storage tank 2;
the reed pipe liquid level detection rod 102 is closely attached and fixed with the magnetic suspension ball cylinder 101 in parallel and is used for detecting the liquid level in the magnetic suspension ball cylinder 101;
the liquid level control mechanism 20 is respectively electrically connected with the reed pipe liquid level detection rod 102 and the electromagnetic valve actuating mechanism 30, and the electromagnetic valve actuating mechanism 30 is arranged on the water replenishing pipeline 3 of the water storage tank 2;
the liquid level control mechanism 20 is used for controlling the electromagnetic valve execution mechanism 30 to replenish water to the water storage tank 2 through the water replenishing pipeline 3 when the reed pipe liquid level detection rod 102 detects that the liquid level in the magnetic suspension ball cylinder 101 reaches a first preset value; when the reed pipe liquid level detection rod 102 detects that the liquid level in the magnetic suspension ball cylinder 101 reaches a second preset value, the electromagnetic valve execution mechanism 30 is controlled to stop water supplement for the water storage tank 2.
The liquid level detection mechanism 10 is used for detecting the liquid level in the water storage tank 2.
Introduction of the magnetic levitation ball cylinder 101: referring to fig. 2, the magnetic levitation ball cylinder 101 is perpendicular to the ground, and two ends of the magnetic levitation ball cylinder 101 are connected with a flange arranged on one side of the water storage tank 2 to be detected through two communicating pipes, so as to be level with the liquid level in the water storage tank 2. Wherein, based on the principle of linker, the water in the water storage tank 2 gets into in the magnetic suspension ball section of thick bamboo 101 through two communicating pipes, and the liquid level in the magnetic suspension ball section of thick bamboo 101 is equal to the liquid level in the water storage tank 2. In a possible implementation manner, the oil, gas and water in the oil and gas gathering and transportation station are heated and transported by hot water tracing in the gathering and transportation process, so that the water storage tank 2 is a hot water tracing tank. The water in the water storage tank 2 is hot water, the hot water is water with the temperature exceeding the preset temperature, and the preset temperature can be set and changed according to actual needs; for example, the preset temperature is 60 ℃, 70 ℃, etc.
The magnetic float ball cylinder 101 comprises a first cylinder 1011 and a magnetic float ball 1012. The magnetic float ball 1012 is disposed inside the first cylinder 1011. The both ends of first barrel 1011 are through two communicating pipes with set up the flange joint in 2 one sides of water storage tank that wait to detect, and according to the principle of linker, the position of magnetism floater 1012 in first barrel 1011 keeps unanimous with the interior liquid level of water storage tank 2, and magnetism floater 1012 reciprocates along with the interior liquid level of water storage tank 2. The first cylinder 1011 is perpendicular to the ground. The first cylinder 1011 is a stainless steel tube with a nominal diameter of 50 mm and a length of 1.2 m. The nominal diameter, length and material of the pipe of the first cylinder 1011 may be set based on the user's needs, which is not specifically limited in the embodiments of the present disclosure.
Introduction of the reed pipe liquid level detection rod 102: the reed pipe liquid level detection rod 102 is parallel and closely fixed with the magnetic suspension ball cylinder and is used for detecting the liquid level in the magnetic suspension ball cylinder 101.
The reed switch liquid level detection rod 102 includes a magnetically controlled reed switch circuit 1022 and a second barrel 1021. The magnetic reed switch circuit 1022 is disposed in the second cylinder 1021, and is configured to detect a liquid level of the magnetic floating ball 1012 in the first cylinder 1011. In one possible implementation, referring to fig. 3, the magnetically controlled reed switch circuit 1022 includes two reed switches, a first reed switch 10221 and a second reed switch 10222.
The first reed switch 10221 is disposed in the second cylinder 1021, and corresponds to a liquid level of a first preset value. When the liquid level in the water storage tank 2 reaches a first preset value, the magnetic floating ball 1012 approaches the first reed switch 10221, the first reed switch 10221 is closed under the attraction of magnetic force, and the magnetic control reed switch circuit 1022 outputs a first off signal to the liquid level control mechanism 20. Wherein, the first close signal is used for the liquid level control mechanism 20 to control the electromagnetic valve actuating mechanism 30 to supplement water to the water storage tank 2 according to the first close signal. When the liquid level in the water storage tank 2 is greater than a first preset value, the magnetic floating ball 1012 is far away from the first reed switch 10221, the first reed switch 10221 is disconnected under the action of losing magnetic force, and the magnetic control reed switch circuit 1022 outputs a first open signal to the liquid level control mechanism 20.
The second reed switch 10222 is disposed in the second cylinder 1021, and corresponds to a liquid level of a second predetermined value. When the liquid level in the water storage tank 2 reaches a second preset value, the magnetic floating ball 1012 is close to the second reed switch 10222, the second reed switch 10222 is closed under the attraction of magnetic force, and the magnetic control reed switch circuit 1022 outputs a second off signal to the liquid level control mechanism 20. And the second closing signal is used for controlling the electromagnetic valve actuating mechanism 30 to stop supplying water to the water storage tank 2 by the liquid level control mechanism 20 according to the second closing signal. When the liquid level in the water storage tank 2 is greater than a second preset value, the magnetic floating ball 1012 is far away from the second reed switch 10222, the second reed switch 10222 is disconnected under the action of losing magnetic force, and the magnetic control reed switch circuit 1022 outputs a second open signal to the liquid level control mechanism 20. In another possible implementation, referring to fig. 4, the magnetron reed switch circuit 1022 includes four reed switches, a first reed switch 10221, a second reed switch 10222, a third reed switch 10223, and a fourth reed switch 10224.
The third reed switch 10223 is disposed in the second barrel 1021, and corresponds to a liquid level of a third preset value. When the liquid level in the tank reaches a third preset value, the magnetic floating ball 1012 is close to the third reed pipe 10223, the third reed pipe 10223 is closed under the attraction of magnetic force, and the magnetic control reed pipe circuit 1022 outputs a third off signal to the liquid level control mechanism 20. The third off signal is used for the liquid level control mechanism 20 to control the electromagnetic valve actuating mechanism 30 to replenish water to the water storage tank 2 according to the third off signal, and to control the third indicator lamp 503 included in the status lamp indicating mechanism 50 to perform fault alarm indication. When the liquid level in the water storage tank 2 is greater than a third preset value, the magnetic floating ball 1012 is far away from the third reed switch 10223, the third reed switch 10223 is disconnected under the action of losing magnetic force, and the magnetic control reed switch circuit 1022 outputs a third opening signal to the liquid level control mechanism 20. The third open signal is used for the liquid level control mechanism 20 to control the third indicator lamp 503 included in the status lamp indicating mechanism 50 to stop the fault alarm indication according to the third open signal.
The fourth reed switch 10224 is disposed in the second barrel 1021, and corresponds to a fourth predetermined value. When the liquid level in the tank reaches a fourth preset value, the magnetic floating ball 1012 approaches the fourth reed switch 10224, the fourth reed switch 10224 is closed under the attraction of magnetic force, and the magnetic control reed switch circuit 1022 outputs a fourth off signal to the liquid level control mechanism 20. The fourth off signal is used for the liquid level control mechanism 20 to control the electromagnetic valve actuating mechanism 30 to stop supplying water to the water storage tank 2 according to the fourth off signal, and to control the third indicator lamp 503 included in the status lamp indicating mechanism 50 to perform fault alarm indication. When the liquid level in the water storage tank 2 is greater than a fourth preset value, the magnetic floating ball 1012 is far away from the fourth reed switch 10224, the fourth reed switch 10224 is disconnected under the action of losing magnetic force, and the magnetic control reed switch circuit 1022 outputs a fourth signal to the liquid level control mechanism.
The functions of the first and second dry- reed pipes 10221 and 10222 are the same as those in fig. 3, and are not described again here. In a possible implementation manner, the types of the first, second, third and fourth reed switches 10221, 10222, 10223 and 10224 may be set and changed according to user needs, and the embodiment of the present disclosure is not particularly limited thereto. In one possible implementation, the first reed switch 10221 is a normally open reed switch that closes under magnetic attraction. In another possible implementation, the first reed switch 10221 is a normally closed reed switch that opens under magnetic attraction. In practical applications, an operator may increase the number of the first tongue tube 10221, the second tongue tube 10222, the third tongue tube 10223 and the fourth tongue tube 10224 according to specific applications. In one possible implementation, the number of first reed switches 10221 is increased such that at least two first reed switches 10221 are connected in parallel. When one of the at least two first reed switches 10221 fails, the other of the at least two first reed switches 10221 can be closed or opened according to the approaching or moving away of the magnetic floating ball 1012.
The second cylinder 1021 is closely attached to and fixed in parallel with the first cylinder 1011. The second cylinder 1021 is a stainless steel tube with a nominal diameter of 20 mm and a length of 1.2 m. The nominal diameter, length and material of the pipeline of the second cylinder 1021 can be set based on the needs of the user, which is not specifically limited in the embodiment of the present disclosure.
Referring to fig. 5, the liquid level control mechanism 20 is electrically connected to the reed pipe liquid level detection rod 102 and the solenoid valve actuator 30, respectively. The liquid level control mechanism 20 comprises a controller 201 and a relay 202.
Introduction of the controller 201: the controller 201 is electrically connected with the reed pipe liquid level detection rod 102 and the relay 202 respectively. The type of the controller 201 may be set based on user needs, and the embodiment of the present disclosure is not particularly limited thereto. For example, the Controller 201 may be a Programmable Logic Controller (PLC) 201, and in one possible implementation, the Controller 201 is an FX2N type industrial PLC.
In a possible implementation manner, the controller 201 is configured to receive a first off signal output by the magnetic control reed switch circuit 1022 and control the relay 202 to be powered when the reed switch liquid level detection rod 102 detects that the liquid level in the magnetic suspension ball cylinder 101 reaches a first preset value; when the reed switch liquid level detection rod 102 detects that the liquid level in the magnetic suspension ball cylinder 101 reaches a second preset value, a second off signal output by the magnetic control reed switch circuit 1022 is received, and the relay 202 is controlled to be powered off.
In another possible implementation manner, the controller 201 is configured to receive a first off signal output by the magnetic control reed switch circuit 1022 and control the relay 202 to be powered on when the reed switch liquid level detection rod 102 detects that the liquid level in the magnetic suspension ball cylinder 101 reaches a first preset value. When the reed switch liquid level detection rod 102 detects that the liquid level in the magnetic suspension ball cylinder 101 reaches a second preset value, a second off signal output by the magnetic control reed switch circuit 1022 is received, and the relay 202 is controlled to be powered off. When the reed switch liquid level detection rod 102 detects that the liquid level in the magnetic suspension ball cylinder 101 reaches a third preset value, a third off signal output by the magnetic control reed switch circuit 1022 is received, and the relay 202 is controlled to be powered on. When the reed switch liquid level detection rod 102 detects that the liquid level in the magnetic suspension ball cylinder 101 reaches a fourth preset value, a fourth off signal output to the liquid level control mechanism 20 by the magnetic control reed switch circuit 1022 is received, and the relay 202 is controlled to be powered off.
Introduction of the relay 202: the relay 202 includes a first relay 2021 and a second relay 2022. The first relay 2021 and the second relay 2022 are electrically connected to the solenoid valve actuator 30, respectively. The first relay 2021 and the second relay 2022 are respectively used for controlling the electromagnetic valve actuating mechanism 30 to supplement water to the water storage tank 2 when power is supplied; when the power is lost, the electromagnetic valve actuator 30 is controlled to stop supplying water to the water storage tank 2.
Referring to fig. 6, the solenoid valve actuator 30 includes a solenoid valve 301, a gate valve 302, and a steel pipe 303.
The steel pipe 303 is trapezoidal and is set up on the moisturizing pipeline 3 of water storage tank 2, and the nominal diameter of pipeline of steel pipe 303 is 25 ~ 50 millimeters.
Introduction of the solenoid valve 301: the solenoid valves 301 include a first solenoid valve 3011 and a second solenoid valve 3012. The first solenoid valve 3011 and the second solenoid valve 3012 are parallel to the ground and are disposed in parallel on the steel pipe 303. The first solenoid valve 3011 is electrically connected to the liquid level control mechanism 20, and in a possible implementation manner, the first solenoid valve 3011 is electrically connected to the first relay 2021. The first electromagnetic valve 3011 is used for opening when getting on electricity, then the water replenishing pipeline 3 forms a passage to replenish water to the water storage tank 2; when the power is lost, the water replenishing pipeline 3 is closed, and the water is stopped replenishing to the water storage tank 2. The second solenoid valve 3012 is electrically connected to the liquid level control mechanism 20, and in a possible implementation manner, the second solenoid valve 3012 is electrically connected to the second relay 2022. The second electromagnetic valve 3012 is used for opening when getting on electricity, then the water replenishing pipeline 3 forms a passage to replenish water to the water storage tank 2; when the power is lost, the water replenishing pipeline 3 is closed, and the water is stopped replenishing to the water storage tank 2.
In a possible implementation manner, when the liquid level in the water storage tank 2 reaches a first preset value, the liquid level control device 10 outputs a first off signal, the controller 201 controls the first relay 2021 to be powered according to the first off signal, the first electromagnetic valve 3011 is powered on and opened, and the water supplementing pipeline 3 supplements water to the water storage tank 2, so as to realize stable water supplementation. The nominal diameter of the pipeline of the first solenoid valve 3011 is smaller than the nominal diameter of the pipeline of the water replenishing pipeline 3, for example, the nominal diameter of the pipeline of the first solenoid valve 3011 is 25 to 50 mm. When the liquid level in the water storage tank 2 reaches a second preset value, the liquid level control device 10 outputs a second off signal, the controller 201 controls the first relay 2021 to lose power according to the second off signal, the first electromagnetic valve 3011 is closed after losing power, and the water replenishing pipeline 3 stops replenishing water to the water storage tank 2.
In another possible implementation manner, when the liquid level in the water storage tank 2 reaches a third preset value, the liquid level control device 10 outputs a third off signal, the controller 201 controls the first relay 2021 and the second relay 2022 to be powered on, the first solenoid valve 3011 and the second solenoid valve 3012 are powered on and opened, and the water replenishing pipeline 3 forms a passage to replenish water to the water storage tank 2. Wherein, the water replenishing pipeline 3 replenishes water to the water storage tank 2 through two electromagnetic valves 301, so as to realize reinforced water supply. Avoid because of water storage tank 2 is in the emergence of the condition that the heating collection of oil gas is defeated to the unable realization of oil line. The nominal diameter of the pipeline of the second solenoid valve 3012 is smaller than the nominal diameter of the pipeline of the water replenishing pipeline 3, for example, the nominal diameter of the pipeline of the second solenoid valve 3012 is 25 to 50 mm. When the liquid level in the water storage tank 2 reaches a first preset value, the liquid level control device 10 outputs a first off signal, the controller 201 controls the second relay 2022 to lose power according to the first off signal, the second electromagnetic valve 3012 is powered off and closed, the first electromagnetic valve 3011 is powered on and opened, and the water replenishing pipeline 3 is used for continuously replenishing water to the water storage tank 2, so that stable water replenishing is realized. When the liquid level in the water storage tank 2 reaches a second preset value, the liquid level control device 10 outputs a second off signal, the controller 201 controls the first relay 2021 to lose power, the first electromagnetic valve 3011 is closed after losing power, and the water replenishing pipeline 3 stops replenishing water to the water storage tank 2.
In a possible implementation manner, the first solenoid valve 3011 and the second solenoid valve 3012 are alternately powered on and opened to form a passage with the water replenishing line 3 to replenish water to the water storage tank 2. When the liquid level in the water storage tank 2 reaches a first preset value, the liquid level control device 10 outputs a first off signal, the controller 201 controls the second relay 2022 to be powered on according to the first off signal, the second electromagnetic valve 3012 is powered on and opened, and the water supplementing pipeline 3 supplements water to the water storage tank 2, so that stable water supplementing is realized. In a possible implementation manner, when the liquid level in the water storage tank 2 reaches a third preset value, the liquid level control device 10 outputs a third off signal, the controller 201 controls the first relay 2021 and the second relay 2022 to be powered on, the first solenoid valve 3011 and the second solenoid valve 3012 are powered on and opened, and the water replenishing pipeline 3 forms a passage to replenish water to the water storage tank 2.
The process of closing the second solenoid valve 3012 in the absence of power is the same as the process of closing the first solenoid valve 3011 in the absence of power, and is not described herein again.
Introduction of a gate valve 302: the gate valve 302 is parallel to the electromagnetic valve 301 and is arranged on the steel pipe 303 in parallel. The nominal diameter of the pipe of the gate valve 302 is 50 mm. When the solenoid valve 301 is in the normal state, the gate valve 302 is in the standby state. When solenoid valve 301 broke down, gate valve 302 used as the bypass valve, when the liquid level reached first preset numerical value in water storage tank 2, operating personnel can manually open gate valve 302 and carry out the moisturizing to water storage tank 2, when the liquid level reached second preset numerical value in water storage tank 2, closed gate valve 302 and stopped the moisturizing to water storage tank 2.
In one possible implementation, with continued reference to fig. 6, the steel tube 303 further comprises: a reinforcing tube 304. The stiffening tube 304 is used to stiffen the solenoid actuator 30, the stiffening tube 304 being parallel to the solenoid valve 301.
In one possible implementation, with continued reference to fig. 6, the solenoid actuator 30 further comprises: an inlet valve 305 and an outlet valve 306. The water inlet valve 305 is vertical to the ground and is arranged on the steel pipe 303 between the electromagnetic valve 301 and the gate valve 302. When the liquid level control device 1 automatically controls the liquid level in the water storage tank 2, the water inlet valve 305 is opened, the electromagnetic valve 301 is opened or closed, and the water supplementing pipeline 3 supplements water to the water storage tank 2 or stops supplementing water. The water inlet valve 305 is closed, and the water supplementing pipeline 3 can not supplement water to the water storage tank 2 through the electromagnetic valve 301.
The water outlet valve 306 is vertical to the ground and is arranged on the steel pipe 303 between the electromagnetic valve 301 and the gate valve 302. The water outlet valve 306 is used for opening the water outlet valve 306, opening or closing the electromagnetic valve 301 and enabling the water replenishing pipeline 3 to replenish water to the water storage tank 2 or stop replenishing water when the liquid level control device 1 automatically controls the liquid level in the water storage tank 2. The water outlet valve 306 is closed, and the water replenishing pipeline 3 can not replenish water for the water storage tank 2 through the electromagnetic valve 301.
Referring to fig. 7, the fluid level control apparatus 1 further includes a power supply mechanism 40. The power supply mechanism 40 is electrically connected to the liquid level control mechanism 20 and is configured to supply power to the liquid level control mechanism 20. With continued reference to fig. 3, in one possible implementation, the power supply mechanism 40 can also supply power to the liquid level detection mechanism 10; correspondingly, the power supply mechanism 40 is electrically connected with the liquid level detection mechanism 10 and is used for supplying power to the liquid level detection mechanism 10; wherein, the power supply mechanism 40 is connected with the magnetic control reed pipe circuit included in the liquid level detection mechanism 10. The power supply mechanism 40 employs an NDR-240-24 switching power supply.
Referring to fig. 8, the fluid level control device 1 further includes a status light indicator mechanism 50. The status light indicator structure is electrically connected to the liquid level control mechanism 20, and in one possible implementation, to the controller 201. The status light indicator 50 is used to indicate the water filling status of the water storage tank 2.
Referring to fig. 9, the status light indicating mechanism 50 includes a first indicator light 501, a second indicator light 502, and a third indicator light 503. The first indicator light 501, the second indicator light 502 and the third indicator light 503 are electrically connected to the liquid level control mechanism 20 respectively.
A first indicator lamp 501 for indicating the operating state of the liquid level control apparatus 1.
And a second indicator light 502 for indicating the operating state of the solenoid valve actuator 30. In one possible implementation, the second indicator lamp 502 includes a first solenoid indicator lamp 5021 and a second solenoid indicator lamp 5022. The first solenoid indicator 5021 and the second solenoid indicator 5022 are electrically connected to the liquid level control mechanism 20. Correspondingly, the first solenoid indicator 5021 and the second solenoid indicator 5022 are electrically connected to the controller 201. And a first solenoid valve indicator lamp 5021 for indicating the operating state of the first solenoid valve 3011. For example, the controller 201 controls the first solenoid valve 3011 to be electrically opened, and controls the first solenoid valve indicator 5021 to be turned on. The controller 201 controls the first solenoid valve 3011 to be closed after power failure, and controls the first solenoid valve indicator 5021 to be turned off. And a second solenoid valve indicator lamp 5022 for indicating the operating state of the second solenoid valve 3012. For example, the controller 201 controls the second solenoid 3012 to be electrically opened and controls the second solenoid indicator 5022 to be turned on. The controller 201 controls the second solenoid valve 3012 to be closed after power failure, and controls the second solenoid valve indicator 5022 to be turned off.
And a third indicator lamp 503 for giving a fault alarm indication when the liquid level control device 1 has a fault. In one possible implementation, the third indicator light 503 includes a low water level alarm indicator light 5031 and a high water level alarm indicator light 5032. The low water level alarm indicator 5031 and the high water level alarm indicator 5032 are electrically connected to the liquid level control mechanism 20, respectively. Accordingly, the low water level warning indicator 5031 and the high water level warning indicator 5032 are electrically connected to the controller 201, respectively. The low level alarm indicator 5031 is configured to receive an electrical signal from the controller 201 to perform a low level alarm indication when the liquid level in the water storage tank 2 reaches a third preset value. The high level alarm indicator 5032 is configured to receive an electrical signal from the controller 201 to perform a high level alarm indication when the liquid level in the water storage tank 2 reaches a fourth preset value. In another possible implementation, the third indicator light 503 further includes a remote alarm indicator light 5033. The remote alarm indicator 5033 is electrically connected to the liquid level control mechanism 20. Accordingly, the remote alarm indicator 5033 is electrically connected to the controller 201. The remote alarm indicator 5033 is configured to receive an electrical signal from the controller 201 to perform a remote alarm indication when the liquid level in the water storage tank 2 reaches a third preset value or a fourth preset value. In one possible implementation, the remote alarm indicator 5033 can be disposed in a duty room, and when the remote alarm indicator 5033 lights up, a duty person can patrol the condition of the liquid level control device 1 in time.
In one possible implementation, the third indicator light 503 may be an audible and visual alarm indicator light.
With continued reference to fig. 9, the status light indicator mechanism 50 further includes a power indicator light 504 for indicating the operational status of the power mechanism 40.
With continued reference to fig. 9, status light indicator mechanism 50 also includes a toggle button 505. The switch button 505 is electrically connected to the liquid level control mechanism 20, and is used for triggering a switch command to the liquid level control mechanism 20. The liquid level control mechanism 20 is used for switching the working mode of the electromagnetic valve actuating mechanism between an automatic mode and a manual mode based on a switching instruction.
Toggle button 505 includes an automatic option, a manual option, and a stop option. The automatic option may be selected when the operator wishes to automatically control the operation of replenishing water to the water storage tank 2 or stopping the replenishment of water by the liquid level control device 1. When the high water level alarm indicator 5032 lights up, the operator can select the stop option to facilitate inspection of the liquid level control device 1. When the operator finds that the liquid level in the water storage tank 2 does not reach the fourth preset numerical value and the liquid level in the tank is at a lower liquid level, the operator can select a manual option to control the liquid level control mechanism 20 to control the electromagnetic valve actuating mechanism 30. When the low water level alarm indicator 5031 is on, the operator can select the stop option to facilitate inspection of the liquid level control device 1. When an operator finds that the liquid level in the water storage tank 2 is higher than a third preset numerical value and the liquid level in the tank is at a higher liquid level, the operator can select a manual option and control the liquid level control mechanism 20 to control the electromagnetic valve actuating mechanism 30.
With continued reference to FIG. 9, the status light indicator mechanism 50 also includes an alarm release button 506. Alarm release button 506 is electrically connected to level control mechanism 20 for releasing the current malfunction alarm. For example, when an operator finds a fault and repairs the fault during a routing inspection, the operator may press the alarm release button 506 to release the alarm. In a possible implementation manner, the fifth indicator light is turned on, but the operator inspects and finds that the liquid level in the water storage tank 2 is higher than the third preset value, but the magnetic floating ball 1012 is blocked and cannot move up and down, so that the liquid level control device 10 breaks down, and the operator can adjust the magnetic floating ball 1012 or replace the magnetic floating ball 1012 and press the alarm release button 506.
In summary, according to the liquid level control device provided by the invention, on one hand, because the two ends of the magnetic suspension ball cylinder are connected with the flange of the water storage tank through the two communicating pipes, the liquid in the water storage tank enters the magnetic suspension ball cylinder through the communicating device, the liquid level in the magnetic suspension ball cylinder is equal to the liquid level in the water storage tank, and the reed switch liquid level detection rod realizes automatic detection of the liquid level in the water storage tank by detecting the liquid level in the magnetic suspension ball cylinder. On the other hand, the liquid level control mechanism can detect the liquid level in the water storage tank based on the reed pipe liquid level detection rod, and the electromagnetic valve execution mechanism is controlled to automatically replenish water to the water storage tank or stop replenishing water. Based on above two aspects can know, the automatic control to the liquid level and the water storage tank moisturizing in the automated inspection water storage tank can be realized to this application, has avoided because operating personnel's inspection untimely or forget the water storage tank that the valve leads to lack of water or the accident of tank fall. Therefore, the liquid level control device provided by the embodiment of the application can improve the safety of the water storage tank.
It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by hardware associated with program code, and the program may be stored in a computer readable storage medium, and the above mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.
The above description is only exemplary of the present application and should not be taken as limiting, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. A liquid level control apparatus, characterized in that the apparatus comprises: the liquid level detection mechanism, the liquid level control mechanism and the electromagnetic valve actuating mechanism;
the liquid level detection mechanism comprises a magnetic suspension ball cylinder and a reed pipe liquid level detection rod;
two ends of the magnetic suspension ball cylinder are connected with a flange arranged on one side of a water storage tank to be detected through two communicating pipes and are used for keeping the same level with the liquid level in the water storage tank;
the reed pipe liquid level detection rod is parallelly attached and fixed with the magnetic suspension ball cylinder and is used for detecting the liquid level in the magnetic suspension ball cylinder;
the liquid level control mechanism is respectively electrically connected with the reed pipe liquid level detection rod and the electromagnetic valve execution mechanism, and the electromagnetic valve execution mechanism is arranged on a water replenishing pipeline of the water storage tank;
the liquid level control mechanism is used for controlling the electromagnetic valve actuating mechanism to supplement water to the water storage tank through the water supplementing pipeline when the reed pipe liquid level detection rod detects that the liquid level in the magnetic suspension ball cylinder reaches a first preset value; and when the reed pipe liquid level detection rod detects that the liquid level in the magnetic suspension ball cylinder reaches a second preset value, controlling the electromagnetic valve actuating mechanism to stop supplementing water to the water storage tank.
2. The control device of claim 1, wherein the magnetic float ball cylinder comprises a magnetic float ball and a first cylinder;
the magnetic floating ball is arranged in the first cylinder, and two ends of the first cylinder are connected with the flange through two communicating pipes;
the reed switch liquid level detection rod comprises a magnetic control reed switch circuit and a second cylinder;
the magnetic control reed switch circuit is arranged in the second cylinder, and the second cylinder and the first cylinder are parallelly and tightly attached and fixed;
the magnetic control reed switch circuit is used for detecting the liquid level of the magnetic floating ball in the first cylinder.
3. The control device of claim 2, wherein the magnetically controlled reed switch circuit comprises: the first reed switch is electrically connected with the second reed switch;
the first reed switch is arranged in the second cylinder and corresponds to the liquid level of the first preset value;
the second reed pipe is arranged in the second cylinder and at a position corresponding to the liquid level of the second preset value.
4. The control device of claim 1, wherein the fluid level control mechanism comprises: a controller and a relay;
the controller is electrically connected with the reed switch liquid level detection rod and the relay respectively;
the relay is electrically connected with the electromagnetic valve actuating mechanism;
the controller is used for controlling the relay to be electrified when the reed switch liquid level detection rod detects that the liquid level in the magnetic suspension ball cylinder reaches a first preset value; when the reed switch liquid level detection rod detects that the liquid level in the magnetic suspension ball cylinder reaches a second preset value, controlling the relay to lose power;
the relay is used for controlling the electromagnetic valve actuating mechanism to supplement water to the water storage tank when power is on; and when the power is lost, the electromagnetic valve executing mechanism is controlled to stop supplying water to the water storage tank.
5. The control apparatus of claim 1, wherein the solenoid valve actuator comprises: the electromagnetic valve, the gate valve and the steel pipe;
the electromagnetic valve and the gate valve are arranged on the steel pipe, and the electromagnetic valve is electrically connected with the liquid level control mechanism;
the steel pipe set up in on the moisturizing pipeline of water storage tank.
6. The control device according to claim 1, characterized by further comprising: a power supply mechanism;
the power supply mechanism is connected with the liquid level control mechanism and used for supplying power to the liquid level control mechanism.
7. The control device according to claim 1, characterized by further comprising: a status light indicating mechanism;
the state lamp indicating mechanism is electrically connected with the liquid level control mechanism and is used for displaying the water injection state of the water storage tank.
8. The control device of claim 7, wherein the status light indicating mechanism comprises a first indicator light, a second indicator light, and a third indicator light;
the first indicator light, the second indicator light and the third indicator light are respectively electrically connected with the liquid level control mechanism;
the first indicator light is used for indicating the running state of the liquid level control device;
the second indicator light is used for indicating the running state of the electromagnetic valve actuating mechanism;
and the third indicator light is used for performing fault alarm indication when the liquid level control device has a fault.
9. The control device of claim 7, wherein the status light indication mechanism further comprises: an alarm release button;
the alarm release button is electrically connected with the liquid level control mechanism and used for releasing the current alarm.
10. The control device of claim 7, wherein the status light indication mechanism further comprises a toggle button;
the switching button is electrically connected with the liquid level control mechanism and used for triggering a switching instruction to the liquid level control mechanism;
and the liquid level control mechanism is used for switching the working mode of the electromagnetic valve actuating mechanism between an automatic mode and a manual mode based on the switching instruction.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010977679.5A CN114200970A (en) | 2020-09-17 | 2020-09-17 | Liquid level control device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010977679.5A CN114200970A (en) | 2020-09-17 | 2020-09-17 | Liquid level control device |
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| CN114200970A true CN114200970A (en) | 2022-03-18 |
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