CN215931158U - Fire-fighting emergency evacuation residual pressure detector with dust removal device - Google Patents
Fire-fighting emergency evacuation residual pressure detector with dust removal device Download PDFInfo
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- CN215931158U CN215931158U CN202122484855.4U CN202122484855U CN215931158U CN 215931158 U CN215931158 U CN 215931158U CN 202122484855 U CN202122484855 U CN 202122484855U CN 215931158 U CN215931158 U CN 215931158U
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Abstract
The utility model discloses a fire-fighting emergency evacuation excess pressure detector with a dust removal device, which belongs to the technical field of civil building fire safety and comprises an excess pressure detector, an excess pressure detector auxiliary plate and an air pipe, wherein the excess pressure detector and the excess pressure detector auxiliary plate are 86-type panels; the residual pressure detector is internally provided with a direct current blower, the vent hole on the auxiliary plate of the residual pressure detector is obliquely arranged, and the auxiliary pagoda joint on the auxiliary plate of the residual pressure detector is connected with the three-way joint on the residual pressure detector through an air pipe. The utility model is provided with a dust removal device, namely a direct current blower, which is connected with the excess pressure controller through two buses and can enable the direct current blower of the excess pressure detector to work under the timing drive of the excess pressure controller to carry out dust removal operation on the auxiliary plate of the excess pressure detector, thereby realizing the long-term maintenance-free normal work of the excess pressure detector.
Description
Technical Field
The utility model relates to the technical field of civil building fire safety, in particular to a fire emergency evacuation residual pressure detector with a dust removal device.
Background
The residual pressure detector is a terminal nerve device of a smoke prevention and exhaust system of a building, is usually installed in a front room, a staircase and a walkway of a high-rise building adopting a mechanical pressurization air supply system, is used for monitoring the pressure difference value between the front room or the staircase and the walkway, is a sensing device special for the pressure difference of a positive pressure air supply system of the high-rise building, and is responsible for measuring and controlling the residual pressure value between the front room and the staircase. When a fire disaster occurs, the residual pressure detector detects the pressure difference between the front chamber and the walkway or between the stairwell and the walkway in real time. When the residual pressure value of the current chamber is more than 30 Pa, starting a pressure relief signal, and relieving pressure by using a bypass valve; when the front chamber residual pressure value is less than 25 Pa, sending a signal to close the bypass valve; similarly, when the residual pressure value of the staircase is more than 50 Pa, the bypass valve releases pressure; and when the residual pressure value of the staircase is less than 40 Pa, closing the bypass valve and stopping pressure relief.
China with the bulletin number of CN211824863U specially beneficial to 2020, 10 and 30 discloses a residual pressure detector, which comprises a box body, wherein the top of the box body is provided with a display screen, the side wall of the box body is provided with a button switch, one side of the box body, which is positioned on the vertical surface of the button switch, is provided with a communicating groove, a first air outlet pipe is arranged in the communicating groove, the bottom of the box body is provided with a groove, a sealing plate is rotationally connected in the groove, the sealing plate is connected in the groove in a matched manner, a mounting groove is arranged in the groove, a second air outlet pipe is arranged in the mounting groove, and an air pipe groove is arranged in the groove, make the second outlet duct hidden through the closing plate, effectually avoided the line to expose and make its damage, gas leakage outside easily, directly influence the condition of product life-span. This patent is one of the current residual pressure detectors.
However, in use, the vent holes on the subpanel of the residual pressure detector are usually small, so that the residual pressure detector is basically not cleaned and maintained after being installed, a lot of dust accumulates in the vent holes after a period of time, and the vent holes are blocked in serious cases, so that the detection effect of the residual pressure detector is influenced.
SUMMERY OF THE UTILITY MODEL
In view of the above, an object of the present invention is to provide a fire emergency evacuation residual pressure detector with a dust removal device, in which the dust removal device, i.e., a dc blower, is connected to a residual pressure controller through two buses, and the dc blower of the residual pressure detector can operate under the timing driving of the residual pressure controller to perform dust removal operation on a residual pressure detector sub-plate, so as to implement long-term maintenance-free normal operation of the residual pressure detector.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a fire emergency evacuation excess pressure detector with a dust removal device comprises an excess pressure detector, an excess pressure detector subplate and an air pipe, wherein the excess pressure detector and the excess pressure detector subplate are 86-type panels;
the residual pressure detector comprises a main panel, a main bottom shell, a circuit board, a direct current blower, a check valve and a three-way joint, the middle part of the main bottom shell is concave to form an equipment bin, the direct current blower is fixedly arranged at the bottom of the equipment bin, the circuit board is provided with a power supply pin of the direct current blower and two main pagoda connectors which are respectively a high-pressure side main pagoda connector and a low-pressure side main pagoda connector, a differential pressure sensor is arranged in the main pagoda joint, the circuit board is fixedly arranged on the direct current blower, the power cord of the DC blower is inserted on the power plug pin of the DC blower on the back of the circuit board, the air outlet of the DC blower is flexibly connected with the check valve, the check valve is connected with a three-way joint, the three-way joint is inserted into one of the main pagoda joints, and the main panel is buckled with the main bottom shell;
the auxiliary plate of the residual pressure detector comprises an auxiliary panel and an auxiliary bottom shell, wherein a plurality of vent holes are formed in the center of the auxiliary panel and are arranged in a certain regular manner, the vent holes are uniformly inclined in one direction and form a certain included angle alpha with the vertical direction of the auxiliary panel, an auxiliary pagoda joint is arranged in the center of the auxiliary bottom shell and is vertical to the auxiliary bottom shell, and the auxiliary panel and the auxiliary bottom shell are buckled together;
and the auxiliary pagoda joint on the auxiliary plate of the excess pressure detector is connected with the three-way joint on the excess pressure detector through an air pipe.
Further, the air pipe is one of a rubber air pipe, a polytetrafluoroethylene air pipe and a stainless steel corrugated pipe.
Furthermore, the front side of the circuit board is provided with 3 indicator lamps, and the back side of the circuit board is provided with two bus wiring terminals and a two-wire high-voltage transceiver chip.
Furthermore, the power supply contact pin of the direct current blower and the two main pagoda connectors are arranged on the back surface of the circuit board.
Furthermore, the model of the direct current blower is 4010, the voltage is 24V, and the rated current is less than or equal to 0.3A.
Further, the type of the two-wire high-voltage transceiver chip is HT45B 0003.
Further, α is 15 to 60 °.
Furthermore, a light hole or a transparent window is arranged above the circuit board indicator light on the main panel of the residual pressure detector.
The fire emergency evacuation residual pressure detector with the dust removal device is mounted in a general 86-type box in the installation of a front room, a staircase and a walkway of a building, when a residual pressure detector secondary plate is mounted, a vent hole on a secondary panel is ensured to incline downwards, dust is not easy to accumulate in the vent hole, and therefore the vent hole is blocked.
The fire-fighting emergency evacuation residual pressure detector with the dust removal device is connected with the residual pressure controller through the two buses, the power is supplied by the two buses, the direct-current blower can work regularly under the control of the residual pressure controller matched with the direct-current blower, the dust removal operation is carried out on the vent hole in the auxiliary plate of the residual pressure detector, and the long-term maintenance-free normal work of the residual pressure detector is realized.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the fire emergency evacuation residual pressure detector with the dust removal device, the direct-current blower is arranged in the residual pressure detector, air can be blown to the air pipe, dust in the air vent on the auxiliary plate of the residual pressure detector is blown away, the air vent is prevented from being blocked by the dust, and the long-term maintenance-free normal work of the residual pressure detector is realized.
2. According to the fire emergency evacuation residual pressure detector with the dust removal device, the vent holes in the auxiliary plate of the residual pressure detector are obliquely arranged, so that dust is not easy to deposit in the vent holes to block the vent holes, the starting frequency and the starting frequency of a direct current blower in the residual pressure detector are reduced, the service life of the residual pressure detector is longer, and the performance of the residual pressure detector is more stable.
3. The fire-fighting emergency evacuation residual pressure detector with the dust removal device is matched with the residual pressure controller for use, so that the performance of a terminal nerve device of a smoke-proof and smoke-discharging system of a building is good, and the residual pressure detector plays a role in prevention for a long time.
Drawings
Fig. 1 is a structural sectional view of an excessive pressure detector of the present invention.
Fig. 2 is a sectional view showing a construction of an afterpressure detector sub-plate according to the present invention.
Fig. 3 is a schematic view of the connection of the excess pressure detector and the excess pressure detector sub-plate of the present invention.
In the figure: 100-residual pressure detector, 101-main panel, 102-main bottom shell, 103-equipment cabin, 104-circuit board, 105-indicator light, 106-two bus connecting terminal, 107-main pagoda joint, 108-direct current blower power supply pin, 109-two-wire high voltage transceiver chip, 110-direct current blower, 111-check valve, 112-three-way joint, 200-residual pressure detector sub-plate, 201-sub-panel, 201-sub bottom shell, 203-vent hole, 204-sub pagoda joint.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
a fire emergency evacuation excess pressure detector with a dust collector comprises an excess pressure detector 100, an excess pressure detector auxiliary plate 200 and a rubber air pipe 300, wherein the excess pressure detector 100 and the excess pressure detector auxiliary plate 200 are 86-type panels;
as shown in fig. 1, the residual pressure detector 100 includes a main panel 101, a main bottom case 102, a circuit board 104, a dc blower 110, a check valve 111, and a three-way joint 112, the middle portion of the main bottom case 102 is recessed to form an equipment compartment 103, the model of the dc blower 110 is 4010, the power voltage is 24V, the current is 0.3A, the dc blower 110 is fixedly disposed at the bottom of the equipment compartment 103, the front surface of the circuit board 104 is provided with 3 indicator lights 105, the back surface of the circuit board 104 is provided with two bus connection terminals 106, a two-wire high-voltage transceiver chip 109, a dc blower power pin 108, and two main pagoda joints 107, the model of the two-wire high-voltage transceiver chip 109 is HT45B0003, the two main pagoda joints 107 are a high-voltage side main pagoda joint and a low-voltage side main pagoda joint respectively, a differential pressure sensor is disposed in the main pagoda joint 107, the circuit board 104 is fixedly disposed above the dc blower 110, the power cord of the direct current blower 110 is inserted into a direct current blower power plug pin 108 on the back of the circuit board 104, the air outlet of the direct current blower 110 is flexibly connected with a check valve 111, the check valve 111 is connected with a three-way joint 112, the three-way joint 112 is inserted into one of the main pagoda joints 107, a light-transmitting hole is arranged above the circuit board 104 indicator light 105 on the main panel 101 of the residual pressure detector 100, and the main panel 101 and the main bottom shell 102 are buckled together;
as shown in fig. 2, the excess pressure detector sub-plate 200 includes a sub-panel 201 and a sub-bottom shell 202, a plurality of vent holes 203 are formed in the center of the sub-panel 201, and are arranged in a concentric circle, the vent holes 203 are uniformly inclined in one direction, an included angle α between the center of the sub-bottom shell 202 and the perpendicular direction of the sub-panel 201 is 30 °, a sub-pagoda joint 204 is formed in the center of the sub-bottom shell 202 and perpendicular to the sub-bottom shell, and the sub-panel 201 and the sub-bottom shell 202 are fastened together;
as shown in fig. 3, the sub-pagoda joint 204 of the sub-plate 200 of the excess pressure detector is connected with the three-way joint 112 of the excess pressure detector 100 through a rubber air pipe 300.
Example two:
a fire emergency evacuation excess pressure detector with a dust collector comprises an excess pressure detector 100, an excess pressure detector auxiliary plate 200 and a stainless steel corrugated pipe 300, wherein the excess pressure detector 100 and the excess pressure detector auxiliary plate 200 are 86-type panels;
the residual pressure detector 100 comprises a main panel 101, a main bottom case 102, a circuit board 104, a direct current blower 110, a check valve 111 and a three-way joint 112, wherein the middle part of the main bottom case 102 is concave downward to form an equipment bin 103, the model of the direct current blower 110 is 4010, the voltage is 24V, the rated current is 0.2A, the direct current blower 110 is fixedly arranged at the bottom of the equipment bin 103, 3 indicator lamps 105 are arranged on the front surface of the circuit board 104, the back surface of the circuit board 104 is provided with two bus terminals 106, a two-wire high-voltage transceiver chip 109, a direct current blower power pin 108 and two main pagoda joints 107, the model of the two-wire high-voltage transceiver chip 109 is HT45B0003, the two main pagoda joints 107 are respectively a high-voltage side main pagoda joint and a low-voltage side main pagoda joint, a differential pressure sensor is arranged in the main pagoda joint 107, the circuit board 104 is fixedly arranged on the direct current blower 110, the power cord of the direct current blower 110 is inserted into a direct current blower power plug pin 108 on the back of the circuit board 104, the air outlet of the direct current blower 110 is flexibly connected with a check valve 111, the check valve 111 is connected with a three-way joint 112, the three-way joint 112 is inserted into one of the main pagoda joints 107, a transparent window is arranged above the circuit board 104 indicator light 105 on the main panel 101 of the residual pressure detector 100, and the main panel 101 and the main bottom shell 102 are buckled together;
the excess pressure detector sub-plate 200 comprises a sub-panel 201 and a sub-bottom shell 202, wherein the central part of the sub-panel 201 is provided with a plurality of vent holes 203 which are arranged in a radial shape, the vent holes 203 are uniformly arranged in one inclined direction, the central part of the sub-bottom shell 202 is vertical to the sub-bottom shell and is provided with a sub-pagoda joint 204 with an included angle alpha of 40 degrees with the vertical direction of the sub-panel 201, and the sub-panel 201 and the sub-bottom shell 202 are buckled together;
the auxiliary pagoda joint 204 of the auxiliary plate 200 of the excess pressure detector is connected with the three-way joint 112 of the excess pressure detector 100 through a stainless steel corrugated pipe 300.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent substitutions made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. The utility model provides an emergent sparse residual pressure detector of fire control with dust collector which characterized in that: the device comprises an excess pressure detector (100), an excess pressure detector auxiliary plate (200) and an air pipe (300), wherein both the excess pressure detector (100) and the excess pressure detector auxiliary plate (200) are 86-type panels;
the residual pressure detector (100) comprises a main panel (101), a main bottom shell (102), a circuit board (104), a direct current blower (110), a check valve (111) and a three-way joint (112), wherein the middle part of the main bottom shell (102) is concave to form an equipment bin (103), the direct current blower (110) is fixedly arranged at the bottom of the equipment bin (103), 3 indicator lamps (105) are arranged on the front surface of the circuit board (104), two bus wiring terminals (106), two-wire high-voltage transceiver chips (109), a direct current blower power pin (108) and two main pagoda joints (107) are arranged on the back surface of the circuit board (104), the two main pagoda joints (107) are respectively a high-voltage side main pagoda joint and a low-voltage side main pagoda joint, a pressure difference sensor is arranged in the main pagoda joint (107), the circuit board (104) is fixedly arranged above the direct current blower (110), the power line of the direct current blower (110) is inserted into a direct current blower power plug pin (108) on the back of a circuit board (014), the air outlet of the direct current blower (110) is flexibly connected with a check valve (111), the check valve (111) is connected with a three-way joint (112), the three-way joint (112) is inserted into one main pagoda joint (107), and the main panel (101) and the main bottom shell (102) are buckled together;
the excess pressure detector subplate (200) comprises a subplate (201) and an auxiliary bottom shell (202), wherein the center part of the subplate (201) is provided with a plurality of vent holes (203) which are regularly arranged, the vent holes (203) are uniformly inclined in one direction and form a certain included angle alpha with the vertical direction of the subplate (201), the center part of the auxiliary bottom shell (202) is vertical to the auxiliary bottom shell and is provided with an auxiliary pagoda joint (204), and the subplate (201) and the auxiliary bottom shell (202) are buckled together;
and an auxiliary pagoda joint (204) on the auxiliary plate (200) of the excess pressure detector is connected with a three-way joint (112) on the excess pressure detector (100) through an air pipe (300).
2. A fire emergency evacuation residual pressure detector with dust collector as claimed in claim 1, wherein: the air pipe (300) is one of a rubber air pipe, a polytetrafluoroethylene air pipe and a stainless steel corrugated pipe.
3. A fire emergency evacuation residual pressure detector with dust collector as claimed in claim 1, wherein: the model of the direct current blower (110) is 4010, the voltage is 24V, and the rated current is less than or equal to 0.3A.
4. A fire emergency evacuation residual pressure detector with dust collector as claimed in claim 1, wherein: the two-wire high-voltage transceiver chip (109) is HT45B 0003.
5. A fire emergency evacuation residual pressure detector with dust collector as claimed in claim 1, wherein: the alpha is 15-60 degrees.
6. A fire emergency evacuation residual pressure detector with dust collector as claimed in claim 1, wherein: and a light hole or a transparent window is arranged above the indicating lamp (105) of the circuit board (104) on the main panel (101) of the residual pressure detector (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122484855.4U CN215931158U (en) | 2021-10-15 | 2021-10-15 | Fire-fighting emergency evacuation residual pressure detector with dust removal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122484855.4U CN215931158U (en) | 2021-10-15 | 2021-10-15 | Fire-fighting emergency evacuation residual pressure detector with dust removal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215931158U true CN215931158U (en) | 2022-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122484855.4U Active CN215931158U (en) | 2021-10-15 | 2021-10-15 | Fire-fighting emergency evacuation residual pressure detector with dust removal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215931158U (en) |
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2021
- 2021-10-15 CN CN202122484855.4U patent/CN215931158U/en active Active
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