CN216899240U - Residual pressure detector - Google Patents
Residual pressure detector Download PDFInfo
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- CN216899240U CN216899240U CN202123413552.XU CN202123413552U CN216899240U CN 216899240 U CN216899240 U CN 216899240U CN 202123413552 U CN202123413552 U CN 202123413552U CN 216899240 U CN216899240 U CN 216899240U
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Abstract
The utility model discloses an excess pressure detector which comprises a main detector, an auxiliary detector, an electric wire and an air pipe, wherein the electric wire is 86-shaped, the electric wire is respectively connected with an auxiliary flashing warning lamp in the auxiliary detector and a display and warning circuit board in the main detector, the air pipe is respectively connected with an auxiliary air pipe joint on an auxiliary bottom shell on the auxiliary detector and one main air pipe joint on a pressure sensor on a detection circuit board in the main detector, and two bus connecting terminals are connected with an excess pressure controller through two buses. According to the utility model, the main panel and the secondary panel are both provided with the explosion flash warning lamps, and when alarming is carried out, the explosion flash warning lamps emit explosion flash light, so that the attention of related personnel can be attracted, and the excess pressure detector is reminded to give out an alarm.
Description
Technical Field
The utility model relates to the technical field of fire safety equipment, in particular to a residual pressure detector.
Background
When a building is in fire, smoke-proof staircases, refuge walkways and front rooms thereof are life passages for people to evacuate and passage walkways for fire fighters to put out fire, and the smoke-proof performance requirements of the smoke-proof walkways and the front rooms are required to be ensured. From the perspective of smoke prevention, the excessive pressure value of the mechanical pressurization air supply system is too low to be beneficial to smoke prevention, so the higher the excessive pressure value is, the better the excessive pressure value is. But the direction of the evacuation door is opened towards the evacuation direction, and the direction of the force of the pressurized air supply is just opposite to the opening direction of the evacuation door. If the residual pressure value is too high, the pressure difference between the two sides of the evacuation door between the staircase and the front chamber and between the front chamber and the walkway is too large, so that the situation that the evacuation door cannot be normally opened is caused, and the evacuation of personnel and the rescue of fire fighters are influenced. Obviously, the design of the pressurized air supply system is firstly established on the basis of safe evacuation, and the residual pressure monitoring device refers to a set of systematic device for adjusting the residual pressure value of a fire control front room or a staircase in the positive pressure air supply system of a high-rise building, and comprises a residual pressure controller and a residual pressure detector connected with the residual pressure controller through two buses.
The residual pressure detector is a sensor which is arranged in a fire-fighting front room or a staircase and is used for detecting residual pressure difference, and the alarm indicator lamp is very small due to the common appearance of the common detector, so that the brightness of the alarm indicator lamp is not enough to draw attention during alarming.
SUMMERY OF THE UTILITY MODEL
In view of the above, an object of the present invention is to provide an excess pressure detector, in which the main panel and the sub-panel are both provided with flash warning lamps, and when alarming, the flash warning lamps emit flash lights, which can attract the attention of related personnel to remind the excess pressure detector to emit an alarm.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a kind of excess pressure detector, including main detector, auxiliary detector, electric wire and air hose, all 86 types;
the main detector comprises a main panel, a main bottom shell and a circuit board, wherein a large transparent window is arranged on the main panel, the circuit boards are two, namely a display and warning circuit board and a detection circuit board, the front side of the display and warning circuit board is provided with a display screen and a main flashing warning lamp, the back side of the display and warning circuit board is provided with a display driving chip, a microprocessor and a contact pin, the front surface of the detection circuit board is provided with a socket, the back surface of the detection circuit board is provided with a power management module, two bus wiring terminals and a pressure sensor, the pressure sensor is provided with two main breather pipe joints, the contact pin of the display and warning circuit board is inserted in the socket of the detection circuit board, the main bottom shell is provided with a circuit board accommodating cavity, the circuit board is fixed in the circuit board accommodating cavity in the main bottom shell, the main panel is buckled with the main bottom shell, and the display screen and the main flashing warning lamp on the display and warning circuit board are positioned below the large transparent window of the main panel;
vice detector including vice panel, vice drain pan and vice flashing warning light, be provided with vice flashing warning light holding tank in the vice drain pan, vice flashing warning light is fixed in vice drain pan vice flashing warning light holding tank that explodes, be provided with little transparent window on the vice panel, the air vent that sets up the round equipartition around little transparent, vice panel and vice drain pan lock are in the same place, vice flashing warning light that explodes is located below little transparent window on the vice panel, be provided with vice breather pipe joint on the vice drain pan.
The electric wire is respectively connected with an auxiliary explosion and flash warning lamp in the auxiliary detector and a display and warning circuit board in the main detector, the air pipe is respectively connected with an auxiliary vent pipe joint on the auxiliary bottom shell of the auxiliary detector and one of main vent pipe joints on a pressure sensor on the detection circuit board in the main detector, and the two bus wiring terminals are connected with the residual pressure controller through two buses.
Furthermore, the main flashing warning lamp and the auxiliary flashing warning lamp are the same and are LED red and blue flashing warning lamps, and the driving voltage is 24V.
Furthermore, the display screen is a digital tube display screen or a liquid crystal display screen.
Further, the microprocessor is an STM32 microprocessor.
Further, the model of the power management chip of the power management module is POWERBUS 8331.
The utility model relates to a residual pressure detector, which is mounted in a general 86-type box in the front chamber, the staircase and the walkway of a building, wherein when a secondary plate of the residual pressure detector is mounted, a vent hole on a secondary panel is ensured to incline downwards, so that dust is not easy to accumulate in the vent hole, and the vent hole is blocked.
The excess pressure detector is connected with the excess pressure controller through the two buses, power is supplied by the two buses, and when warning is given out due to overpressure, the explosion warning lamp gives out explosion light to remind related personnel of pressure difference.
The utility model has the beneficial effects that:
1. according to the excess pressure detector, the main detector and the auxiliary detector are respectively provided with the explosion flash warning lamps, and when overpressure alarm is given, the explosion flash warning lamps emit explosion flash light to remind people in related spaces of the light.
2. According to the excess pressure detector, the display screen is arranged on the main detector, so that real-time pressure difference can be visually displayed.
Drawings
FIG. 1 is a schematic front view of a primary detector of the present invention.
FIG. 2 is a schematic front view of a secondary detector of the present invention.
Fig. 3 is an internal structure diagram and a connection diagram of the present invention.
In the figure: 1-main detector, 11-main panel, 12-main bottom shell, 13-display and warning circuit board, 14-main flashing warning lamp, 15-display screen, 16-large transparent window, 17-detection circuit board, 18-pressure sensor, 19-two bus wiring terminal, 2-auxiliary detector, 21-auxiliary panel, 22-auxiliary bottom shell, 23-auxiliary flashing warning lamp, 24-small transparent window, 25-vent hole, 3 air pipe, 4-electric wire.
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 embodiment is as follows:
as shown in figure 1 of the drawings, in which,
a kind of excess pressure detector, including main detector 1, auxiliary detector 2, electric wire 4 and air hose 3, all 86 types;
the main detector 1 comprises a main panel 11, a main bottom shell 12 and a circuit board, wherein the main panel 11 and the main bottom shell 12 are made of white opaque flame-retardant plastics, the main panel 11 is provided with a large transparent window 16, the large transparent window 16 is made of transparent plastics and is embedded on the main panel 11, the circuit board is provided with two display and warning circuit boards 13 and a detection circuit board 17, the front side of the display and warning circuit board 13 is provided with a liquid crystal display screen 15 and a main explosion and flash warning lamp 14, the back side of the display and warning circuit board is provided with a display driving module, the driving chip is HOLTEK HT1622, a microprocessor, STM32F030C8T6 and two 5-pin insertion pins, the front side of the detection circuit board 17 is provided with two 5-pin sockets, the back side is provided with a power management module, the power management chip is POWERBUS8331, a two-bus wiring terminal 19 and a pressure sensor 18, the pressure sensor 18 is provided with two main air pipe joints, the contact pin of the display and warning circuit board 13 is inserted into the socket of the detection circuit board 17, the main bottom case 12 is provided with a circuit board accommodating cavity, the circuit board is fixed in the circuit board accommodating cavity in the main bottom case 12, the main panel 11 and the main bottom case 12 are buckled together, and the display screen 15 and the main flashing warning lamp 14 on the display and warning circuit board 13 are positioned below the large transparent window 16 of the main panel;
The electric wire 4 is respectively connected with an auxiliary flashing warning lamp 23 in the auxiliary detector 2 and a display and warning circuit board 13 in the main detector 1, the air pipe 3 is respectively connected with an auxiliary air pipe joint on an auxiliary bottom shell 22 on the auxiliary detector 2 and one of main air pipe joints on a pressure sensor 18 on a detection circuit board 17 in the main detector 1, and the two bus wiring terminals 19 are connected with the residual pressure controller through two buses.
The main flashing warning lamp 14 and the auxiliary flashing warning lamp 23 are the same and are both LED red and blue flashing warning lamps, and the driving voltage is 24V.
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 (5)
1. An excess pressure detector, characterized in that: the device comprises a main detector (1), an auxiliary detector (2), an electric wire (4) and an air pipe (3), which are all 86 types;
the main detector (1) comprises a main panel (11), a main bottom shell (12) and a circuit board, wherein a large transparent window (16) is formed in the main panel (11), the number of the circuit boards is two, and the main panel is respectively a display and warning circuit board (13) and a detection circuit board (17), a display screen (15) and a main flashing warning lamp (14) are arranged on the front side of the display and warning circuit board (13), a display driving chip, a microprocessor and pins are arranged on the back side of the display and warning circuit board, a socket is arranged on the front side of the detection circuit board (17), a power management module, two bus wiring terminals (19) and a pressure sensor (18) are arranged on the back side of the detection circuit board, two main vent pipe connectors are arranged on the pressure sensor (18), the pins of the display and warning circuit board (13) are inserted into the socket of the detection circuit board (17), a circuit board accommodating cavity is arranged on the main bottom shell (12), the circuit board is fixed in a circuit board accommodating cavity in the main bottom shell, the main panel (11) is buckled with the main bottom shell (12), and a display screen (15) and a main flashing warning lamp (14) on the display and warning circuit board (13) are positioned below a large transparent window (16) of the main panel (11);
the auxiliary detector (2) comprises an auxiliary panel (21), an auxiliary bottom shell (22) and an auxiliary flashing warning lamp (23), wherein an auxiliary flashing warning lamp accommodating groove is formed in the auxiliary bottom shell (22), the auxiliary flashing warning lamp (23) is fixed in the auxiliary flashing warning lamp accommodating groove in the auxiliary bottom shell, a small transparent window (24) is arranged on the auxiliary panel (21), a circle of uniformly distributed vent holes (25) are formed in the periphery of the small transparent window (24), the auxiliary panel (21) and the auxiliary bottom shell (22) are buckled together, the auxiliary flashing warning lamp (23) is positioned below the small transparent window (24) on the auxiliary panel (21), and an auxiliary vent pipe joint is arranged on the auxiliary bottom shell (22),
electric wire (4) are connected vice flashing warning light (23) in vice detector (2) and demonstration and warning circuit board (13) in main detector (1) respectively, trachea (3) are connected vice breather pipe joint on vice bottom shell (22) on vice detector (2) and one of them main breather pipe joint on pressure sensor (18) on detecting circuit board (17) in main detector (1) respectively, two bus binding post (19) are connected with the excess pressure controller through two buses.
2. An excessive pressure detector as claimed in claim 1, characterized in that: the main flashing warning lamp (14) and the auxiliary flashing warning lamp (23) are the same and are LED red and blue flashing warning lamps, and the driving voltage is 24V.
3. An excessive pressure detector as claimed in claim 1, characterized in that: the display screen (15) is a digital tube display screen or a liquid crystal display screen.
4. An excessive pressure detector as claimed in claim 1, characterized in that: the microprocessor is an STM32 microprocessor.
5. An excessive pressure detector as claimed in claim 1, characterized in that: the model of the power management chip of the power management module is POWERBUS 8331.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123413552.XU CN216899240U (en) | 2021-12-31 | 2021-12-31 | Residual pressure detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123413552.XU CN216899240U (en) | 2021-12-31 | 2021-12-31 | Residual pressure detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216899240U true CN216899240U (en) | 2022-07-05 |
Family
ID=82210545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123413552.XU Active CN216899240U (en) | 2021-12-31 | 2021-12-31 | Residual pressure detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216899240U (en) |
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2021
- 2021-12-31 CN CN202123413552.XU patent/CN216899240U/en active Active
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