CN217506685U - High pressure positive blower alarm device and kiln system - Google Patents
High pressure positive blower alarm device and kiln system Download PDFInfo
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- CN217506685U CN217506685U CN202221011098.7U CN202221011098U CN217506685U CN 217506685 U CN217506685 U CN 217506685U CN 202221011098 U CN202221011098 U CN 202221011098U CN 217506685 U CN217506685 U CN 217506685U
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Abstract
The application provides a high-pressure fan alarm device and a kiln system, wherein the high-pressure fan alarm device comprises a control device and an alarm; the control device comprises at least one pressure switch, a first air switch, a second air switch, at least one intermediate relay and an alternating current contactor; each pressure switch is communicated with a fan pipeline of a high-pressure fan, and each intermediate relay is electrically connected with one pressure switch; the normally open contact of at least one intermediate relay is electrically connected between the normally open contact of the alternating current contactor and the second air switch, and the normally open contact of the alternating current contactor is electrically connected with the alarm; the first air switch is used for controlling the on-off of at least one pressure switch, and the second air switch is used for controlling the on-off of the alternating current contactor; the wind pressure of the fan pipeline detected by the pressure switch is lower than a preset value, so that a normally open contact of an intermediate relay electrically connected with the pressure switch is closed, the normally open contact of the alternating current contactor is closed and self-locked, and the alarm is warned.
Description
Technical Field
The application relates to the technical field of glass substrate production equipment, in particular to a high-pressure fan alarm device and a kiln system.
Background
In a liquid crystal glass substrate production line, a kiln is used as a front-end process and is responsible for providing molten high-temperature glass liquid for a rear process, and meanwhile, the stability of parameters such as temperature, pressure, liquid level and the like in the kiln is ensured.
The kiln has used the middle and later stage, because of the erodeing and the oxidation erosion of glass liquid, the attenuation of electrode and pool wall brick all can different degrees, if pool wall and electrode cooling do not in place can cause the risk of leaking the material, bring very big potential safety hazard, cause the risk that is difficult to estimate to personnel and production. Because the kiln body structure is more complicated, the pool wall cooling fan tuyere of original design can't satisfy the cooling requirement, has a large amount of cooling dead angles, and this just needs to increase independent high pressure positive blower device to satisfy the refrigerated requirement in kiln dead angle, reach the purpose that prolongs the kiln life-span and guarantee personnel's safety. Therefore, the high-pressure fan is important equipment in the middle and later stages of the kiln and needs to be continuously operated, once the high-pressure fan fails or is tripped to be powered off and shut down, the temperature of the wall of the kiln can be rapidly increased, and great potential safety hazards are brought.
Therefore, a high pressure fan alarm device is needed to alarm when the high pressure fan is abnormally stopped.
SUMMERY OF THE UTILITY MODEL
The main aim of this application provides a high pressure positive blower alarm device and kiln system, can report to the police when providing the unusual shut down of refrigerated high pressure positive blower to the kiln.
In order to solve the above technical problem, an embodiment of the present application provides the following technical solutions:
on one hand, the application provides a high pressure fan alarm device, which comprises a control device and an alarm; wherein the content of the first and second substances,
the control device comprises at least one pressure switch, a first air switch, a second air switch, at least one intermediate relay and an alternating current contactor;
each pressure switch is communicated with a fan pipeline of a high-pressure fan, and each intermediate relay is electrically connected with one pressure switch;
the normally open contact of at least one intermediate relay is electrically connected between the normally open contact of the alternating current contactor and the second air switch, and the normally open contact of the alternating current contactor is electrically connected with the alarm;
the first air switch is used for controlling the on-off of at least one pressure switch, and the second air switch is used for controlling the on-off of the alternating current contactor;
when the wind pressure of the fan pipeline detected by the pressure switch is lower than a preset value, the pressure switch enables the normally open contact of the intermediate relay electrically connected with the pressure switch to be closed, so that the normally open contact of the alternating current contactor is closed and self-locked, and the alarm alarms.
Preferably, the control device comprises a control cabinet body, a power indicator lamp and a power switch which are arranged on the control cabinet body, and a power module which is arranged in the control cabinet body, wherein the power module is electrically connected with the pressure switch and the intermediate relay to supply power, and the power switch is electrically connected with the power module 108 and the power indicator lamp.
Preferably, the power-off alarm is electrically connected with the power switch and used for warning when the control device is powered off.
Preferably, the outage alarm includes battery module, communication controller buzzer and/or warning light, battery module with buzzer and/or the warning light with the communication controller electricity is connected with the power supply, buzzer and/or the warning light is used for buzzing when the power failure and warns and/or light is warned, communication controller and operation communication server communication connection are used for instructing when the power failure buzzer buzzes and/or light is warned to preset communication account communication warning.
Preferably, the high pressure positive blower alarm device further comprises a third air switch electrically connected between the power switch and the power-off alarm.
Preferably, the control device further comprises a fuse arranged in the control cabinet body, and the fuse is electrically connected to the power switch.
Preferably, the alarm is audible and visual alarm, controlling means still includes reset button switch, reset button switch is normally closed switch, reset button switch locates on the control cabinet body, and the electricity connect in the second air switch with intermediate relay between the normally open contact, be used for eliminating the warning of alarm.
Preferably, the intelligent cabinet further comprises a moving device, and the control cabinet body is arranged on the moving device.
Preferably, the pressure switch is communicated with a fan pipeline of the high-pressure fan through an air pipe.
On the other hand, this application provides a kiln system, including kiln body, at least one high pressure positive blower and foretell high pressure positive blower alarm device, high pressure positive blower pass through fan pipeline and tuyere to kiln body provides high-pressure gas, every pressure switch and one high pressure positive blower's fan pipeline passes through the trachea intercommunication, is used for the monitoring the pressure of fan pipeline.
Compare in prior art, the high pressure positive blower alarm device that this application provided has following beneficial effect at least: the air pressure of the high-pressure fan is monitored in real time through the pressure switch, when the pressure switch detects a pressure signal lower than a preset low value through the control circuit, the alarm is triggered to warn, so that the problem that when the high-pressure fan is out of order or is tripped to be shut down, the temperature of the wall of the kiln pool can rise rapidly to bring great potential safety hazards is avoided, and the device is sensitive, reliable and easy to implement.
The foregoing description is only an overview of the technical solutions of the present application, and in order to make the technical solutions of the present application more clear and clear, and to implement the technical solutions according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present application and the accompanying drawings.
Drawings
The above and other objects, features and advantages of exemplary embodiments of the present application will become readily apparent from the following detailed description read in conjunction with the accompanying drawings. Several embodiments of the present application are illustrated by way of example and not by way of limitation in the figures of the accompanying drawings and in which like reference numerals refer to similar or corresponding parts and in which:
fig. 1 shows a schematic structural diagram of a high pressure fan warning device according to an exemplary embodiment of the present application;
fig. 2 shows a schematic circuit diagram of a high-pressure blower warning device according to an exemplary embodiment of the present application.
The reference numbers illustrate:
the system comprises a control device 100, a power switch 101, a third air switch 102, a first air switch 103, a second air switch 104, a fuse 105, a power indicator 106, a power failure alarm 107, a power module 108, a first pressure switch 109, a second pressure switch 110, a first intermediate relay 111, a second intermediate relay 112, an alarm 113, a reset button switch 114, an alternating current contactor 115, a kiln body 200, a second high-pressure fan 201, a first high-pressure fan 202, a fan pipeline 203, an air pipe 204 and an air nozzle 205.
Detailed Description
Exemplary embodiments of the present application will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present application are shown in the drawings, it should be understood that the present application may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which this application belongs.
Example one
The high pressure positive blower is used for providing high-pressure gas for the kiln, makes the kiln cool off, and when the high pressure positive blower is out of order or tripping operation outage shut down, kiln pool wall temperature can rise rapidly, brings very big potential safety hazard. In order to solve the problems in the prior art, as shown in fig. 1 and fig. 2, an embodiment of the present application provides a high pressure fan alarm device, where a high pressure fan is used to provide high pressure gas to a kiln through a fan pipeline 203, and the high pressure fan alarm device includes a control device 100 and an alarm 113; wherein the content of the first and second substances,
the control device 100 comprises at least one pressure switch, a first air switch 103, a second air switch 104, at least one intermediate relay and an ac contactor 115;
each pressure switch is communicated with a fan pipeline 203 of a high-pressure fan, and each intermediate relay is electrically connected with one pressure switch; the normally open contact of at least one intermediate relay is electrically connected between the normally open contact of the alternating current contactor 115 and the second air switch 104, and the normally open contact of the alternating current contactor 115 is electrically connected with the alarm 113; the first air switch 103 is used for controlling the on-off of at least one pressure switch, and the second air switch 104 is used for controlling the on-off of the alternating current contactor 115;
when the pressure switch detects that the wind pressure of the fan pipeline 203 is lower than a preset value, the pressure switch enables a normally open contact of an intermediate relay electrically connected with the pressure switch to be closed, and then the normally open contact of the alternating current contactor 115 is enabled to be closed and self-locked, so that the alarm 113 gives an alarm.
In this application, through pressure switch real-time supervision high pressure positive blower's wind pressure, when making pressure switch detect to be less than the pressure signal of predetermineeing the low value through control circuit, trigger alarm 113 is warned to avoid when high pressure positive blower is out of order or tripping operation outage shut down, kiln pool wall temperature can rise rapidly, brings the problem of very big potential safety hazard, and the device is sensitive reliable, easy to carry out.
The high-pressure fan alarm device can be used for simultaneously detecting the running conditions of two or even three or more high-pressure fans, and is arranged according to the field condition, wherein the fan pipeline 203 of each high-pressure fan is provided with a pressure switch, each pressure switch is communicated with the fan pipeline 203 of one high-pressure fan through an air pipe 204, the pressure switches correspond to the intermediate relays one by one, and each pressure switch is electrically connected to one intermediate relay.
It should be noted that, in the present application, the control device 100 may be disposed on the site, and the alarm 113 may be disposed at a place far from the site, such as a control room, and when the high pressure fan is abnormally stopped, the alarm is generated, and the worker may perform emergency disposal work when the alarm 113 gives an alarm.
In the embodiment of the present application as shown in fig. 1, there are two sets of high pressure fans, namely a first high pressure fan 202 and a second high pressure fan 201, the first high pressure fan 202 and the second high pressure fan 201 respectively provide high pressure gas to the kiln body 200 through a fan pipeline 203, and are adapted thereto, there are two pressure switches and two intermediate relays, namely a first pressure switch 109 and a second pressure switch 110, a first intermediate relay 111 and a second intermediate relay 112, the first pressure switch 109 is communicated with the fan pipeline 203 of the first high pressure fan 202 through an air pipe 204 and is electrically connected with the first intermediate relay 111, and the second pressure switch 110 is communicated with the fan pipeline 203 of the second high pressure fan 201 and is electrically connected with the second intermediate relay 112. When a plurality of high pressure positive blower of needs simultaneous monitoring report to the police, foretell setting can make high pressure positive blower alarm device's use more convenient.
As a preferred embodiment of the application, the control device 100 comprises a control cabinet body, a power indicator lamp 106 and a power switch 101 which are arranged on the control cabinet body, and a power module 108 which is arranged in the control cabinet body, wherein the power module 108 is electrically connected with a pressure switch and an intermediate relay to supply power to the pressure switch and the intermediate relay, and the power switch 101 is electrically connected with the power module 108 and the power indicator lamp 106.
Taking two sets of high-pressure positive blower shown in fig. 1 as an example, as shown in the circuit schematic diagram shown in fig. 2, the power supply in the control cabinet body is 220V power supply, wherein L is live wire, N is zero line, and switch 101 is total circuit breaker Q1 for controlling the circuit of the whole device, when switch 101 is disconnected, the circuit of the whole device is all disconnected, power indicator 106 is not on, each electrical component does not work, when switch 101 is on, power indicator 106 is normally on. The first air switch 103 is used for controlling the on-off of the power supply module 108, and the power supply module 108 may be a 24V dc power supply, and may also be adaptively adjusted according to the number of actually connected pressure switches.
As shown in fig. 2, the control device 100 further includes a fuse 105 disposed in the control cabinet, and the fuse 105 is electrically connected to the power switch 101. The fuse 105 is electrically connectable to the live line L in the control cabinet body for protecting the entire circuit.
The alarm 113 may be an audible and visual alarm, the control device 100 further includes a reset button switch 114, the reset button switch 114 is a normally closed switch, and the reset button switch 114 is disposed on the control cabinet body, or may be disposed at a place far away from the field and electrically connected between the second air switch 104 and the normally open contact of the intermediate relay 1, so as to eliminate the alarm of the alarm 113.
Taking the two groups of high-pressure fans shown in fig. 1 as an example, as shown in a circuit schematic diagram shown in fig. 2, the first pressure switch 109 is electrically connected to the first intermediate relay 111, the second pressure switch 110 is electrically connected to the second intermediate relay 112, normally open contacts of the first pressure switch 109, the second pressure switch 110, the first intermediate relay 111 and the second intermediate relay 112 are respectively electrically connected to two poles of the power module 108, and the first air switch 103 is respectively electrically connected to the live line L and the neutral line N to control power supply of the power module 108.
Pressure switch, auxiliary relay and ac contactor 115 are current products, and pressure switch's specific wiring is decided according to the model selection condition, usually from taking control panel, can be used for setting up the real-time pressure value etc. of presetting the pressure value and showing the monitoring.
As shown in fig. 1 and 2, the alarm 113 is controlled by:
the reset button switch 114, the first intermediate relay 111, the second intermediate relay 112 and the alternating current contactor 115 form a self-locking control circuit of the alarm 113; wherein the content of the first and second substances,
the second air switch 104 is electrically connected with the live wire and the zero wire respectively and is used for controlling the on-off of the self-locking control circuit;
normally open contacts of the first intermediate relay 111, the second intermediate relay 112 and the ac contactor 115 are electrically connected between the reset button switch 114 and the second air switch 104 (the connection end with the neutral wire N), respectively, and the reset button switch 114 is electrically connected to the live wire through the second air switch 104.
When the first high pressure fan 202 and the second high pressure fan 201 work normally, a certain pressure is generated in the fan pipeline 203 connected with the first high pressure fan 202 and the second high pressure fan 201, the heat is dissipated to the tank wall of the kiln body 200 through the wind pressure, and the first pressure switch 109 and the second pressure switch 110 are respectively used for monitoring the pressure values of the wind pressure of the first high pressure fan 202 and the second high pressure fan 201.
When first high pressure positive blower 202 or second high pressure positive blower 201 monitoring pressure value is less than predetermineeing the low value, the normally open contact of first pressure switch 109 or second pressure switch 110 is closed, make first auxiliary relay 111 or second auxiliary relay 112 switch on, the normally open contact KA1 or KA2 of first auxiliary relay 111 or second auxiliary relay 112 are closed, and then make ac contactor 115 switch on, make ac contactor 115 normally open contact KM1 closed, thereby make alarm 113 switch on, carry out the reputation and warn, alarm 113 can install in the kiln control room, remind the field personnel to take emergency measures through reputation and remind the timely treatment trouble of field personnel to make emergency preparation.
The reset button switch 114 is a normally closed button switch, when the first high pressure blower 202 or the second high pressure blower 201 stops, the alarm 113 will always give an alarm, the reset button switch 114 cannot reset, and until the wind pressure of the high pressure blower is normal, the alarm can be eliminated after the reset button switch 114 is pressed to reset. When special conditions are met, if the pressure switch is used for a long time, the zero point can drift, false alarm can be generated at the moment, if the pressure switch needs to be calibrated to be zero, the false alarm can take power-off measures, the second air switch 104 is switched off, and the false alarm is prevented.
This application passes through pressure switch monitoring high pressure positive blower's wind pressure to make alarm 113 carry out audible and visual warning when the wind pressure is less than the default through alarm 113's auto-lock control circuit, sensitive reliable, easy to carry out, and can remote notice staff, the production management of being convenient for.
The high pressure positive blower alarm device of this application can also utilize pressure switch to set up and predetermine the high value to warn and handle when too high to pressure.
The alarm 113 is an existing product, and can perform sound and light warning through a built-in LED lamp and a buzzer or a loudspeaker, and the specific structure and principle are not repeated.
As a preferred embodiment of the present application, the high pressure fan alarm device further comprises a power-off alarm 107, and the power-off alarm 107 is electrically connected to the power switch 101 for warning when the control device 100 is powered off.
The high-pressure fan alarm device further comprises a third air switch 102, the third air switch 102 is electrically connected between the power switch 101 and the power-off alarm 107, and the third air switch 102 is used for controlling the on-off of a circuit where the power-off alarm 107 is located.
The power-off alarm 107 can be independent of the control device 100 and can be set according to field requirements, and a battery module of the power-off alarm 107 can be a storage battery so as to supply power to the buzzer when power is unexpectedly cut off, so that the buzzer can alarm and remind. The communication controller can be an internet of things chip and can be in communication connection with the operation communication server through communication networks such as 2G/3G/4G/5G, and after unexpected power failure, the power failure alarm 107 can remind a preset communication account through incoming calls or short messages and alarm through a buzzer on site. The preset communication account can be provided with multiple groups, such as telephone numbers, and is used for respectively carrying out communication reminding on different workers. The power-off alarm 107 can also be placed in a control room, is connected to a control cabinet body of the control device 100 on site through a power line, can be powered by a 220V power supply, is internally provided with a high-capacity lithium battery, and can timely inform a worker to confirm whether the power supply condition of the device is normal.
In this application, high pressure positive blower alarm device still includes the mobile device, the control cabinet body is located on the mobile device, the mobile device includes universal wheel and directive wheel and is used for the parking mechanism of universal wheel and directive wheel parking, the control cabinet body can be fixed in on the support body that is equipped with universal wheel and directive wheel, perhaps directly sets up universal wheel and directive wheel in the below of the control cabinet body, universal wheel and directive wheel comprise wear-resistant material, parking mechanism is used for restricting the removal of universal wheel and directive wheel. The universal wheel, the directional wheel and the parking mechanism are common devices, and the specific structure and the connection mode are not repeated.
The high pressure positive blower alarm device has the dual functions of power-off alarm, high pressure positive blower shutdown and low pressure alarm, is sensitive and reliable, is easy to implement, has a compact structure and is convenient to move.
Example two
As shown in fig. 1, the present application provides a kiln system, which includes a kiln body 200, at least one high pressure fan and a high pressure fan alarm device according to the first embodiment, where the high pressure fan is communicated with the kiln body 200 through a fan pipeline 203, an air nozzle 205 is arranged at the end of the fan pipeline 203, the high pressure fan provides high pressure gas to the kiln body 200 through the fan pipeline 203 and the air nozzle 205, each pressure switch is communicated with the fan pipeline 203 of one high pressure fan through an air pipe 204 and is used for monitoring the pressure of the fan pipeline 203, and when the pressure value is lower than a preset low value or higher than a preset high value, a normally open contact of the pressure switch is closed, so that an alarm 113 of the high pressure fan alarm device performs audible and visual alarm; when the kiln system is powered off accidentally, the warning is carried out through a power-off alarm 107 of the high-pressure fan alarm device.
It will be appreciated that the relevant features of the devices described above may be referred to one another. In addition, "first", "second", and the like in the above embodiments are for distinguishing the embodiments, and do not represent merits of the embodiments.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. The high-pressure fan alarm device is characterized by comprising a control device and an alarm; wherein the content of the first and second substances,
the control device comprises at least one pressure switch, a first air switch, a second air switch, at least one intermediate relay and an alternating current contactor;
each pressure switch is communicated with a fan pipeline of a high-pressure fan, and each intermediate relay is electrically connected with one pressure switch;
the normally open contact of at least one intermediate relay is electrically connected between the normally open contact of the alternating current contactor and the second air switch, and the normally open contact of the alternating current contactor is electrically connected with the alarm;
the first air switch is used for controlling the on-off of at least one pressure switch, and the second air switch is used for controlling the on-off of the alternating current contactor;
when the wind pressure of the fan pipeline detected by the pressure switch is lower than a preset value, the pressure switch enables the normally open contact of the intermediate relay electrically connected with the pressure switch to be closed, and then the normally open contact of the alternating current contactor is closed and self-locked, so that the alarm gives an alarm.
2. The high pressure fan alarm device according to claim 1, wherein the control device comprises a control cabinet body, a power indicator and a power switch which are arranged on the control cabinet body, and a power module which is arranged in the control cabinet body, the power module is electrically connected with the pressure switch and the intermediate relay to supply power, and the power switch is electrically connected with the power module and the power indicator.
3. The high pressure positive blower alarm device of claim 2, further comprising a power-off alarm, wherein the power-off alarm is electrically connected with the power switch and is used for warning when the control device is powered off.
4. The high pressure positive blower alarm device of claim 3, characterized in that, the outage alarm includes battery module, communication controller, bee calling organ and/or warning light, battery module with bee calling organ and/or the warning light with the communication controller electricity is connected in order to supply power, bee calling organ and/or the warning light is used for buzzing when the power failure and/or light warning, communication controller and operation communication server communication connection for instruct when the power failure bee calling organ and/or the warning light is warned, and to predetermine communication account communication warning.
5. The warning device as claimed in claim 3, further comprising a third air switch electrically connected between the power switch and the power-off warning device.
6. The warning device of the high pressure fan according to claim 2, wherein the control device further comprises a fuse disposed in the control cabinet body, the fuse being electrically connected to the power switch.
7. The high pressure positive blower alarm device of claim 2, wherein the alarm is an audible and visual alarm, the control device further comprises a reset button switch, the reset button switch is a normally closed switch, the reset button switch is disposed on the control cabinet body and electrically connected between the second air switch and the normally open contact of the intermediate relay, so as to eliminate the alarm of the alarm.
8. The high pressure positive blower alarm device of claim 2, further comprising a moving device, wherein the control cabinet is disposed on the moving device.
9. The high pressure fan warning device of claim 1, wherein the pressure switch is in communication with a fan duct of the high pressure fan via an air tube.
10. A kiln system, comprising a kiln body, at least one high pressure fan and a high pressure fan warning device according to any one of claims 1 to 9, the high pressure fan supplying high pressure gas to the kiln body through a fan duct and a tuyere, each of the pressure switches being in communication with the fan duct of one of the high pressure fans through a gas pipe for monitoring the pressure of the fan duct.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221011098.7U CN217506685U (en) | 2022-04-28 | 2022-04-28 | High pressure positive blower alarm device and kiln system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221011098.7U CN217506685U (en) | 2022-04-28 | 2022-04-28 | High pressure positive blower alarm device and kiln system |
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| CN217506685U true CN217506685U (en) | 2022-09-27 |
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| CN202221011098.7U Active CN217506685U (en) | 2022-04-28 | 2022-04-28 | High pressure positive blower alarm device and kiln system |
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