CN113538836B - Alarm device with protection function for fire detector and operation method thereof - Google Patents
Alarm device with protection function for fire detector and operation method thereof Download PDFInfo
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- CN113538836B CN113538836B CN202110721163.9A CN202110721163A CN113538836B CN 113538836 B CN113538836 B CN 113538836B CN 202110721163 A CN202110721163 A CN 202110721163A CN 113538836 B CN113538836 B CN 113538836B
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- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
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Abstract
The invention relates to an alarm device with a protection function for a fire detector and an operation method thereof, and belongs to the technical field of security equipment. The alarm device with the protection function for the fire detector comprises an alarm device, a control device and a control device, wherein the alarm device is connected with the fire detector; a base having a chamber therein; the bottom end of the vertical shell is connected to the base, and the alarm is installed on the vertical shell; the bottom wall of the horizontal groove body is welded with the top end of the vertical shell; the water distribution block is arranged on the horizontal groove body and is positioned above the base, a horizontal flow passage and a plurality of water outlet holes are formed in the water distribution block, a water inlet pipe is arranged on the outer wall of the water distribution block and is communicated with the horizontal flow passage, and the water inlet pipe penetrates through the side wall of the horizontal groove body and then extends into the horizontal groove body; the water pump is arranged in the cavity, the water outlet end of the water pump is connected with the water inlet pipe through a pipeline, and the pipeline is laid in the vertical shell and the horizontal groove body; the projections of the horizontal flow channel and the alarm on the top surface of the base are a first projection and a second projection respectively, and the first projection surrounds the second projection.
Description
Technical Field
The invention belongs to the technical field of security equipment, and particularly relates to an alarm device with a protection function for a fire detector and an operation method thereof.
Background
The fire detector is in communication connection with the fire detector through the alarm device, and when the fire detector detects an indoor fire, the alarm device sends out an alarm signal to remind people of the indoor fire so as to facilitate people to make corresponding response.
The alarm device for the fire detector in the prior art is installed on an indoor wall and is exposed in the air, and is easily influenced by dust in the air, so that the service life of the alarm device is shortened.
Disclosure of Invention
The invention provides an alarm device with a protection function for a fire detector, which is used for solving the technical problem that the existing alarm device for the fire detector is installed on an indoor wall and is exposed in the air, so that the existing alarm device is easily influenced by dust in the air.
The invention is realized by the following technical scheme: an alarm device for a fire detector with a protection function, comprising:
the alarm is connected with the fire detector;
the water storage device comprises a base, a water storage tank and a water outlet pipe, wherein a cavity for containing water is arranged in the base, a pipe joint is connected to the outer wall of the base and communicated with the cavity, and a plug for plugging the pipe joint is detachably mounted in the pipe joint;
the bottom end of the vertical shell is connected to the top end of the base, and the alarm is installed in the middle of the vertical shell;
the cover plate covers the notch of the horizontal groove body, and the bottom wall of the horizontal groove body is welded with the end face of the top end of the vertical shell;
the water distribution block is arranged on the outer wall of the horizontal groove body and is positioned above the base, a horizontal flow channel and a plurality of water outlet holes which face downwards vertically are formed in the water distribution block, the water outlet holes are uniformly distributed along the flow direction of the horizontal flow channel, a water inlet pipe is arranged on the outer wall of the water distribution block and is communicated with the horizontal flow channel, and the water inlet pipe penetrates through the side wall of the horizontal groove body and then extends into the horizontal groove body;
the water outlet end of the water pump is connected with the water inlet pipe through a pipeline, and the pipeline is laid in the vertical shell and the horizontal groove body;
the horizontal flow passage and the alarm are respectively in first projection and second projection on the top surface of the base, and the first projection surrounds the second projection.
Furthermore, in order to better realize the invention, a water receiving port matched with the horizontal flow channel is arranged on the top surface of the base, and the water receiving port is communicated with the chamber.
Furthermore, in order to better realize the invention, the water receiving port is of an open structure.
Furthermore, in order to better realize the invention, a splash-proof sponge is fixedly bonded in the water receiving port.
Further, in order to better realize the invention, the lower part of the splash-proof sponge extends downwards out of the water receiving opening.
Further, in order to better implement the present invention, the vertical housing includes a vertical portion and a horizontal portion, the horizontal portion is provided at a middle portion of the vertical portion, and the alarm is mounted on the horizontal portion.
Further, in order to better implement the present invention, the aperture of the water outlet hole gradually increases along the flow direction of the horizontal flow channel.
Furthermore, in order to better realize the invention, an electromagnetic pressure regulating valve is arranged on the water inlet pipe, the electromagnetic pressure regulating valve, the water pump, the alarm and the fire detector are all electrically connected with a controller, and the controller is arranged in the horizontal groove body.
Further, in order to better realize the invention, the bottom end of the base is provided with a roller with a brake.
The invention provides an operation method of the alarm device for the fire detector with the protection function, which comprises the following steps: taking down the plug at the pipe joint;
adding water into the chamber through the pipe joint;
and starting the water pump, pumping the water in the cavity to the horizontal flow channel by the water pump, and enabling the water in the horizontal flow channel to flow out through the water outlet hole to form a water curtain surrounding the alarm.
Compared with the prior art, the invention has the following beneficial effects:
the invention provides an alarm device for a fire detector with a protection function, which comprises an alarm, a base, a vertical shell, a horizontal groove body, a cover plate, a water diversion block and a water pump, wherein the alarm is connected with the fire detector, when the fire detector detects a fire, the alarm sends an alarm signal, the alarm is arranged in the middle of the vertical shell and protrudes out of the outer wall of the vertical shell, a cavity for containing water is arranged in the base, the water pump is arranged in the cavity, the outer wall of the base is connected with a pipe joint communicated with the cavity for injecting water into the cavity, a plug is detachably arranged in the pipe joint and used for the pipe joint, when water is added, the plug is taken down from the pipe joint, water is added through the pipe joint, when the water amount in the cavity reaches a certain degree, the plug is blocked so as to avoid water leakage, the bottom end of the vertical shell is connected to the top end of the base, the bottom wall of the horizontal groove body is welded with the top end face of the vertical shell, at the moment, the alarm is positioned between the base and the horizontal groove body, the cover plate covers the notch of the horizontal groove body, the water outlet end of the water pump is connected with a pipeline, the pipeline is laid in the vertical shell and the horizontal groove body, a horizontal flow passage and a water outlet hole are arranged in the water dividing block, a water inlet pipe is also arranged on the outer side wall of the water dividing block, the water dividing block is arranged on the outer wall of the horizontal groove body and positioned above the base, the water inlet pipe penetrates through the side wall of the horizontal groove body and extends into the horizontal groove body, the pipeline is communicated with the water inlet pipe, therefore, the water pump can pump the water in the cavity to the horizontal flow passage in the water dividing block through the pipeline and the water inlet pipe, the water outlet holes are vertically arranged downwards, the number of the water outlet holes is a plurality, the water outlet holes are uniformly distributed along the flow direction of the horizontal passage, and therefore, the water in the horizontal flow passage can flow out through the water outlet holes, in addition, the projections of the horizontal flow channel and the alarm on the base are defined as a first projection and a second projection respectively, and the first projection surrounds the second projection.
Through the structure, when the water pump operation, in order to take out the horizontal flow path to the water diversion piece with the water in the cavity in the time, water flows down from the apopore and forms a cascade, this cascade encircles above-mentioned alarm, thus, cascade alright with carry out the guard action with to the alarm, dust in the outside air will be blocked by the cascade when being close to the alarm, consequently the probability that the alarm received the dust influence in the outside air is lower, and, when the conflagration breaing out, the setting of cascade can protect the alarm when certain period of time, avoid firing the alarm, extension alarm duration.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of an alarm device for a fire detector with a safeguard function according to an embodiment of the present invention (no splash proof sponge is mounted);
FIG. 2 is a front view of the structure shown in FIG. 1;
FIG. 3 is an exploded view of the structure shown in FIG. 1;
FIG. 4 is a sectional view A-A of FIG. 2;
FIG. 5 is a schematic structural diagram of a water diversion block in an embodiment of the present invention;
FIG. 6 is a left side view of the structure shown in FIG. 5;
FIG. 7 is a cross-sectional view B-B of FIG. 6;
fig. 8 is a schematic view of an installation structure of the splash proof sponge in the embodiment of the present invention.
In the figure:
1-an alarm; 2-a base; 21-a chamber; 22-a water receiving port; 3-pipe joint; 4-plug; 5-a vertical shell; 6-horizontal trough body; 7-cover plate; 8-water separation block; 81-horizontal flow channel; 82-water outlet; 9-a water inlet pipe; 10-a water pump; 11-a pipeline; 12-splash proof sponge; 13-an electromagnetic pressure regulating valve; 14-a controller; 15-roller.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Example 1:
the embodiment provides an alarm device for fire detector with safeguard function for solve current alarm device for fire detector and install on indoor wall and just naked hourglass in the air and easily by the technical problem of dust influence in the air.
This alarm device for fire detector with safeguard function includes alarm 1, base 2, vertical casing 5, horizontal cell body 6, apron 7, divide water block 8 and water pump 10, wherein:
the alarm 1 is an electromagnetic control alarm device and is connected with a fire detector, specifically, both the alarm 1 and the fire detector are electrically connected on a controller 14, and the controller 14 can be a PLC or a circuit board. When the fire detector detects a fire, the fire detector sends a signal to the controller 14, the controller 14 drives the alarm 1 to send an alarm signal, the alarm 1 is installed in the middle of the vertical shell 5, and the alarm 1 protrudes out of the outer wall of the vertical shell 5. Specifically, this vertical housing 5 includes vertical portion and horizontal portion, and horizontal portion integrated into one piece or welded connection are in the middle part of vertical portion, and above-mentioned alarm 1 is installed on the horizontal portion to the protrusion is in above-mentioned vertical housing 5.
The inside cavity 21 that is used for adorning water that is equipped with of base 2, water pump 10 install in cavity 21 and with above-mentioned controller 14 electricity be connected to utilize controller 14 to control the operating condition of water pump 10, integrated into one piece or welding have on the outer wall of base 2 come the coupling 3 that communicates with cavity 21 for towards cavity 21 in the water injection, specifically, when needing towards cavity 21 in the water injection, will be with the water piping connection who links to each other with the water source on coupling 3. Detachably mounted has end cap 4 in coupling 3, and end cap 4 is used for coupling 3, when adding water, takes off end cap 4 from coupling 3, adds water afterwards, and after the water yield in cavity 21 reached certain degree, utilizes end cap 4 to block up coupling 3 to avoid leaking. The plug 4 is a rubber plug, and when the plug 4 is plugged in the pipe joint 3, a part of the plug 4 extends out of the pipe joint 3. Optionally, a roller 15 with a brake is installed at the bottom end of the base 2, so that a user can move the alarm device for a fire detector with a protection function provided in this embodiment as desired.
The bottom welding of vertical casing 5 or through the screw connection on the top of base 2, the diapire of horizontal cell body 6 and the top end face welding of vertical casing 5, at this moment, alarm 1 is located between base 2 and the horizontal cell body 6 to horizontal cell body 6 and alarm 1 all are located the top of base 2. The cover plate 7 covers the notch of the horizontal groove body 6.
The water outlet end of the water pump 10 is connected with a water outlet pipeline 11, the pipeline 11 is laid in the vertical shell 5 and the horizontal groove body 6, and specifically, the pipeline 11 penetrates through the vertical shell 5 from bottom to top and extends into the horizontal groove body 6. The water diversion block 8 is internally provided with a horizontal flow channel 81 and a water outlet 82, the outer side wall of the water diversion block 8 is also provided with a water inlet pipe 9, the water diversion block 8 is arranged on the outer wall of the horizontal groove body 6, the water inlet pipe 9 penetrates through the side wall of the horizontal groove body 6 and extends into the horizontal groove body 6, and the port of a pipeline 11 positioned in the horizontal groove body 6 is communicated with the water inlet pipe 9. Thus, the water pump 10 can pump the water in the chamber 21 to the horizontal flow channel 81 in the water-dividing block 8 through the pipeline 11 and the water inlet pipe 9. Specifically, the outer side wall of the water diversion block 8 is vertically provided with an insertion block with a big end down and a T-shaped cross section, the outer wall of the horizontal groove body 6 is provided with a T-shaped groove matched with the insertion block, and the T-shaped groove is vertically arranged and big end down. During installation, the insert block is inserted into the T-shaped groove, installation is convenient, and the support effect of the wall of the T-shaped groove on the outer wall of the insert block is utilized, so that the water distribution block 8 is supported. The water inlet pipe 9 is a hose.
The water outlet holes 82 are vertically arranged downwards, the number of the water outlet holes 82 is a plurality, and the water outlet holes 82 are uniformly distributed along the flow direction of the horizontal channel, so that water in the horizontal channel 81 can flow out through the water outlet holes 82, and in addition, the horizontal channel 81 and the projection of the alarm 1 on the base 2 are defined as a first projection and a second projection respectively, and the first projection surrounds the second projection. The horizontal flow path 81 has a square outline. Specifically, the water outlet 82 is formed in the bottom wall of the horizontal flow channel 81. Alternatively, the apertures of the plurality of water outlet holes 82 are different from each other, and specifically, the apertures of the water outlet holes 82 gradually increase along the flow direction of the horizontal flow channel 81, so that the smaller the apertures of the water outlet holes 82 closer to the water inlet of the horizontal flow channel 81 (i.e., the above-mentioned water inlet pipe 9) are, the earlier the water outlet holes 82 closer to the water inlet of the horizontal flow channel 81 contact the water in the horizontal flow channel 81, and the earlier the water outlet holes 82 closer to the water inlet of the horizontal flow channel 81 will flow out, and the smaller the apertures of the water outlet holes 82 closer to the water inlet of the horizontal flow channel 81 are set, so that the pressure drop of the water in the horizontal flow channel 81 can be reduced, thereby ensuring that the water outlet holes 82 of the water inlet of the horizontal flow channel 81 can also flow out with sufficient pressure.
Through the structure, when water pump 10 operates and takes out the water in cavity 21 to the horizontal runner 81 of water distribution block 8, water flows down from apopore 82 and forms a cascade, because above-mentioned first projection encircles above-mentioned second projection, consequently, the cascade that forms encircles above-mentioned alarm 1, like this, cascade alright with carry out the guard action with alarm 1, dust in the outside air will be blocked by the cascade when being close to alarm 1, consequently, alarm 1 receives the probability of the dust influence in the outside air lower, and, when the conflagration takes place, alarm 1 can be protected when certain period in the setting of cascade, avoid flame ignition alarm 1, extension alarm 1 alarm time.
An alternative implementation of this embodiment is as follows: a water receiving port 22 adapted to the horizontal flow channel 81 is arranged on the top surface of the base 2, and the water receiving port 22 is communicated with a chamber 21 for containing water on the base 2. When the contour of the horizontal flow path 81 is square, the water receiving opening 22 is also square, and the radius of the horizontal flow path 81 and the water receiving opening 22 is also equal. Thus, the water left from the water outlet 82 drops into the water receiving opening 22 and finally flows into the chamber 21, so as to form circulating water, that is, the water pump 10 pumps the water in the chamber 21 to the horizontal flow channel 81 in the water dividing block 8 through the pipeline 11 and the water inlet pipe 9, and the water in the horizontal flow channel 81 enters the water receiving opening 22 through the water outlet 82 and finally flows back into the chamber 21.
Optionally, the water receiving opening 22 is an open structure, and the open structure may be a V-shaped structure. When it is V style of calligraphy structure, the bottom of this V style of calligraphy structure link up and form the opening to make water receiving port 22 and above-mentioned cavity 21 communicate, above-mentioned apopore 82 sets up directly over the open-ended of V style of calligraphy structure bottom, and the water that apopore 82 came out drops on the liquid level in cavity 21 behind the opening directly.
Optionally, a splash-proof sponge 12 is adhesively fixed in the water receiving opening 22, that is, the splash-proof sponge 12 is arranged between the water outlet 82 and the liquid level in the chamber 21, so that the water from the water outlet 82 will drip on the splash-proof sponge 12, but will not directly drip on the liquid level in the chamber 21, thereby reducing the splash generated by the water from the water outlet 82 on the liquid level in the chamber 21, and even if the splash is generated, the splash-proof sponge 12 has a blocking effect, which can prevent the splash from jumping out of the water receiving opening 22. After the water drops on the splash sponge 12, the water continues to move downward in the splash sponge 12 by its own weight and finally falls into the chamber 21. The lower part of the splash-proof sponge 12 extends downwards to the water receiving opening 22, so that the lower part of the splash-proof sponge 12 extends into the cavity 21, and water is guided into the cavity 21 better.
An alternative implementation of this embodiment is as follows: in addition, an electromagnetic pressure regulating valve 13 is arranged on the water inlet pipe 9, and the electromagnetic pressure regulating valve 13 is electrically connected with the controller 14, so that the controller 14 is used for controlling the working state of the electromagnetic pressure regulating valve 13, specifically, under normal conditions, the fire detector does not detect a fire condition, the alarm 1 does not alarm, but the controller 14 still drives the water pump 10 to work, so that a water curtain is formed on the periphery of the alarm 1, the controller 14 controls the electromagnetic pressure regulating valve 13 to be in a first state, the pressure of the water in the water inlet pipe 9 is a first water pressure through the action of the electromagnetic pressure regulating valve 13 in the first state, and at the moment, the flow speed of the water flowing out of the water outlet hole 82 is a first speed; when the fire detector detects a fire, the alarm 1 sends an alarm signal, the controller 14 controls the water pump 10 to continue to work, and the controller 14 controls the electromagnetic pressure regulating valve 13 to be in the second state, so that the pressure of the water in the water inlet pipe 9 is the second water pressure under the action of the electromagnetic pressure regulating valve 13 in the second state, and at the moment, the flow speed of the water flowing out of the water outlet hole 82 is the second speed. Through setting up for above-mentioned second water pressure is greater than first water pressure, guarantees also that above-mentioned second speed is greater than above-mentioned first speed to make the rivers velocity of flow that apopore 82 came out bigger when the conflagration takes place, rivers are faster, thereby protect alarm 1 in the conflagration better.
In addition, a start-stop switch is further arranged on the vertical shell 5, the start-stop switch is electrically connected with the controller 14 and used for starting and stopping the whole device, the start-stop switch is arranged on the side of the alarm 1, and the water curtain surrounds the start-stop switch. In addition, the controller 14 is installed in the horizontal tank 6. Specifically, be equipped with the baffle in the horizontal cell body 6, the baffle separates the inner chamber of horizontal cell body for first chamber and second chamber, and above-mentioned inlet tube 9 stretches into first chamber and links to each other with above-mentioned pipeline 11, and controller 14 is installed in the second chamber, utilizes the baffle to separate controller 14 and inlet tube 9, avoids inlet tube 9 and pipeline 11 to meet the department and leak and produce harmful effects to controller 14.
Example 2:
the present embodiment provides an operation method of an alarm device for a fire detector with a safeguard function in an embodiment, including the steps of:
step 1: taking down the plug 4 at the pipe joint 3;
step 2: water is added into the chamber 21 through the pipe joint 3;
and step 3: the water pump 10 is started, the water pump 10 pumps the water in the chamber 21 to the horizontal flow passage 81, and the water in the horizontal flow passage 81 flows out through the water outlet hole 82 to form a water curtain surrounding the alarm 1.
Of course, there are assembling steps between step 1, such as assembling the vertical housing 5 above the base 2, placing the water pump 10 in the chamber 21 of the base 2 and making the pipeline 11 penetrate the horizontal trough 6 from the vertical housing 5 upwards, installing the water diversion block 8 on the side wall of the horizontal trough 6, connecting the water inlet pipe 9 with the end of the pipeline 11, and finally covering the cover plate 7 on the notch of the horizontal trough 6.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention 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 invention, and the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. The utility model provides an alarm device for fire detector with safeguard function which characterized in that includes:
the alarm is connected with the fire detector;
the water storage device comprises a base, a water storage tank and a water outlet pipe, wherein a cavity for containing water is arranged in the base, a pipe joint is connected to the outer wall of the base and communicated with the cavity, and a plug for plugging the pipe joint is detachably mounted in the pipe joint;
the bottom end of the vertical shell is connected to the top end of the base, and the alarm is installed in the middle of the vertical shell;
the cover plate covers the notch of the horizontal groove body, and the bottom wall of the horizontal groove body is welded with the end face of the top end of the vertical shell;
the water distribution block is arranged on the outer wall of the horizontal groove body and is positioned above the base, a horizontal flow channel and a plurality of water outlet holes which face downwards vertically are formed in the water distribution block, the water outlet holes are uniformly distributed along the flow direction of the horizontal flow channel, a water inlet pipe is arranged on the outer wall of the water distribution block and is communicated with the horizontal flow channel, and the water inlet pipe penetrates through the side wall of the horizontal groove body and then extends into the horizontal groove body;
the water outlet end of the water pump is connected with the water inlet pipe through a pipeline, and the pipeline is laid in the vertical shell and the horizontal groove body;
the horizontal flow passage and the alarm are respectively in first projection and second projection on the top surface of the base, and the first projection surrounds the second projection.
2. The alarm device for a fire detector with a protection function according to claim 1, wherein: and a water receiving port matched with the horizontal flow channel is arranged on the top surface of the base and is communicated with the cavity.
3. The alarm device for a fire detector with a safeguard function according to claim 2, characterized in that: the water receiving opening is of an open structure.
4. The alarm device for a fire detector with a safeguard function according to claim 3, characterized in that: and an anti-splash sponge is fixedly bonded in the water receiving port.
5. The alarm device for a fire detector with a protection function according to claim 4, wherein: the lower part of the splash-proof sponge extends downwards to the water receiving opening.
6. The alarm device for a fire detector with a safeguard function according to any one of claims 1 to 5, wherein: the vertical shell comprises a vertical part and a horizontal part, the horizontal part is arranged in the middle of the vertical part, and the alarm is installed on the horizontal part.
7. The alarm device for a fire detector with a safeguard function according to any one of claims 1 to 5, wherein: and the aperture of the water outlet hole is gradually increased along the flow direction of the horizontal flow channel.
8. The alarm device for a fire detector with a safeguard function according to any one of claims 1 to 5, wherein: the water inlet pipe is provided with an electromagnetic pressure regulating valve, the water pump, the alarm and the fire detector are all electrically connected with a controller, and the controller is installed in the horizontal groove body.
9. The alarm device for a fire detector with a safeguard function according to any one of claims 1 to 5, wherein: and the bottom end of the base is provided with a roller with a brake.
10. A method for operating the alarm device for a fire detector with a safeguard function according to any one of claims 1 to 9, comprising:
taking down the plug at the pipe joint;
adding water into the chamber through the pipe joint;
and starting the water pump, pumping the water in the cavity to the horizontal flow channel by the water pump, and enabling the water in the horizontal flow channel to flow out through the water outlet hole to form a water curtain surrounding the alarm.
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