CN201988086U - Automatic current-pressure stabilizing system for fire truck - Google Patents
Automatic current-pressure stabilizing system for fire truck Download PDFInfo
- Publication number
- CN201988086U CN201988086U CN2011200473897U CN201120047389U CN201988086U CN 201988086 U CN201988086 U CN 201988086U CN 2011200473897 U CN2011200473897 U CN 2011200473897U CN 201120047389 U CN201120047389 U CN 201120047389U CN 201988086 U CN201988086 U CN 201988086U
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- water pump
- pump
- sensor
- controller
- liquid level
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Abstract
The utility model discloses an automatic current-pressure stabilizing system for a fire truck, which comprises a state display operation panel, a controller, an engine and a water pump. The engine drives the water pump to rotate. The water pump is connected with a water pump inlet pressure sensor, a water pump outlet pressure sensor, a water pump rotating speed sensor, a water tank liquid level sensor and a foam liquid level sensor. The controller collects signals of the water pump rotating speed sensor, the water pump inlet pressure sensor, the water pump outlet pressure sensor, the water tank liquid level sensor and the foam liquid level sensor and transfers the signals to the state display operation panel which outputs index values to the controller. The controller is connected with an electronic accelerator inference of the engine through an accelerator switch controller. The automatic current-pressure stabilizing system for the fire truck is simple and reasonable in structure, high in practical applicability and easy to operate and install, greatly improves efficiency of putting out fire, increases safety coefficients of fire-fighting working personals, and facilitates the popularization and application in the fight-fighting field.
Description
Technical field
The utility model relates to a kind of constant current constant voltage system, relates in particular to a kind of automatic steady current voltage-stabilizing system that is used for fire fighting truck.
Background technology
At present, in the fire fighting truck field in the process of implementing fire fighting or rescue, fire-fighting lance is connected with water pump usually, and water pump connects the water source, thereby water pump drives by engine and control the output pressure that engine speed is controlled water pump by the engine oil controlling device for doors; And run into the situation that needs a plurality of hydraulic giants to spray simultaneously through regular meeting in the actual work, and when a plurality of hydraulic giants used simultaneously, the increase of flow can make the water pump internal pressure diminish, and made the jet power of each hydraulic giant diminish, cause insufficient pressure, and then influence fire-fighting efficient; Use the manual electronic throttle, during vehicle-mounted mobile pump group work, the hydraulic giant number of working simultaneously when exit of pump not simultaneously, the back pressure of water pump is different, the jeting effect of same hydraulic giant is also different.When a plurality of hydraulic giants are used simultaneously, when turning off a plurality of hydraulic giant wherein suddenly, cause the pressure in the water pump to increase suddenly, danger appears in the fire fighter who causes holding the hydraulic giant of not closing under the impact of pressure; In addition, when situations such as fracture, water pump fault, flexible pipe come off appear in fire main, also can cause the hydraulic pressure shakiness, and the stable water pressure of assurance fire main, adjust pressure in time, exactly and become fire-fighting fire extinguishing field urgent problem.
Summary of the invention
At above-mentioned the deficiencies in the prior art part, the purpose of this utility model provides a kind of fire fighting truck automatic steady current voltage-stabilizing system, by control Motronic control maps throttle, thus the control pump rotary speed, so that the maintenance of exit of pump hydraulic pressure is constant, effectively solve the problem that above-mentioned prior art exists.
To achieve these goals, the technical solution adopted in the utility model is: a kind of fire fighting truck automatic steady current voltage-stabilizing system, comprise the state display operating panel, controller, engine and water pump, engine drives the rotation of water pump, water pump is connected with the pump entrance pressure sensor, exit of pump pressure sensor and pump rotary speed sensor, also comprise water pot liquid level sensor and froth level sensor, described controller is gathered the pump rotary speed sensor, the pump entrance pressure sensor, the exit of pump pressure sensor, the signal of water pot liquid level sensor and froth level sensor also transfers to the state display operating panel with this signal; State display operating panel output predetermined value is given controller; Controller is received the E-Gas interface of engine by the throttle switching controller.
As preferably, described water pot liquid level sensor and froth level sensor respectively with the state display operating panel on indication of water pot liquid level and foam tank liquid level indicate corresponding demonstration.
Compared with prior art, the beneficial effect that this utility model is brought is: controller detects exit of pump pressure in real time, detect when changing, then control engine throttle, allow pump rotary speed increase or reduce, thereby keep the back pressure of water pump constant, the hydraulic giant number that exit of pump is worked simultaneously changes arbitrarily, and the jeting effect of same hydraulic giant is almost constant; The liquid level of water pot and foam tank is shown by the state display operating panel on the employing controller collection fire fighting truck, makes people to operate from the state display operating panel better, more intuitively and controls; In addition, this fire fighting truck automatic steady current voltage-stabilizing system is simple for structure, reasonable, practical, the operation simple installation, improves the efficient of fire-fighting fire extinguishing greatly, increases fire-fighting operation personnel's safety coefficient, is beneficial in the fire-fighting fire extinguishing field and applies.
Description of drawings
Fig. 1 is a structural principle schematic diagram of the present utility model;
Fig. 2 is the schematic diagram of the utility model state display operating panel.
The specific embodiment
Technique scheme of the present utility model and advantage thereof are not difficult to obtain to understand in depth from the detailed description and accompanying drawing of following selected embodiment.
Referring to Fig. 1, Fig. 2, embodiment, this fire fighting truck automatic steady current voltage-stabilizing system comprises state display operating panel 1, controller 2, engine 10 and water pump 4, engine 10 drives the rotation of water pump 4, water pump 4 is connected with pump entrance pressure sensor 6, exit of pump pressure sensor 7 and pump rotary speed sensor 5, also comprise water pot liquid level sensor 8 and froth level sensor 9, described controller 2 is gathered pump rotary speed sensor 5, pump entrance pressure sensor 6, exit of pump pressure sensor 7, the signal of water pot liquid level sensor 8 and froth level sensor 9 also transfers to state display operating panel 1 with this signal; State display operating panel 1 output predetermined value is given controller 2; Described state display operating panel 1 predefined pump rotary speed of transmission or exit of pump pressure values.Controller 2 is received the E-Gas interface 11 of engine 10 by throttle switching controller 3, the rising or the reduction of control engine 10 rotating speeds, thereby reach the effect of adjustment, water pump 4 is driven by engine 10, its rotating speed is the and then rotation of engine 10 and raise or reduce also, thus pump rotary speed value that obtains expecting or exit of pump pressure values.Described water pot liquid level sensor 8 and froth level sensor 9 respectively with state display operating panel 1 on water pot liquid level indication 21 and foam tank liquid level indication 22 corresponding demonstrations, be convenient to manually-operated and control.
Concrete operation principle is: pump entrance pressure sensor 6 and exit of pump pressure sensor 7 all are arranged on the water pump 4, its inductive probe puts in water pump 4, sensor all adopts inside to be provided with the form of deformable membrane, gathers the information that pressure changes according to the variation of the diaphragm that variation caused of pressure; Pump rotary speed sensor 5 is arranged on the engine 10; Pressure sensor is gathered the information that water pump 4 internal pressures change intuitively, 5 variation Information Monitorings indirectly that change the engine speed that is caused by water-aspirator pressure of pump rotary speed sensor; Work by sensor is given controller 2 with the feedback information that the pressure in the water pump changes, export by information again, utilize motor-driven, the revolution that throttle switching controller 3 is controlled engine is adjusted in variation according to hydraulic pressure, and then the pressure of adjustment water pump 10, thereby guarantee that the pressure in the water pump 4 keeps stable, guarantees the stable of water outlet, and then makes fire-fighting fire extinguishing work normally to carry out.Adopt water pot liquid level sensor 8 and froth level sensor 9 to come Information Monitoring to pass to controller 2, the liquid level of water pot and foam tank on the controller 2 collection fire fighting trucks, indication 21 of water pot liquid level and foam tank liquid level by state display operating panel 1 indicate 22 correspondences to show, and make people to operate from state display operating panel 1 better, more intuitively and control.
On the described state display operating panel 1 other control buttons are set also, it comprises: the idling button, and it act as: under any state, press this key, engine returns idling; Automatic button, it act as: system is switched to auto state from idling mode; Pressure rising button; Pressure reduces button; Manual fast button, it act as: system is switched to manual state from idling mode; Rotating speed rising button; Rotating speed reduces button; Mute button, it act as: when engine condition is unusual, during buzzer call, press this key, buzzer stops shouting; Emergency button.
The operating instruction of state display operating panel 1 is as follows:
After connecting with the mains, system is in idling mode.
Auto state is work down: press automatic button, if be in manual state before pressing, need switch to idling mode earlier, press automatic button again, operating pressure raises, pressure reduces button, the numerical value that messagewindow is shown is your desired pump discharge pressure value, and system's meeting automatically controlled engine makes pump discharge pressure reach desired value.
Manual state is work down: press hand push button, if be in auto state before pressing, need switch to idling mode earlier, press hand push button again, the operation rotating speed raises, rotating speed reduces button, the numerical value that messagewindow is shown is your desired pump rotary speed value, and system's meeting automatically controlled engine makes pump rotary speed reach desired value.
End-of-job is pressed the idling button, and the wait engine is got back to idling.
More than fire fighting truck automatic steady current voltage-stabilizing system provided by the utility model has been carried out detailed introduction, used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present utility model, part in specific embodiments and applications all can change, to change of the present utility model and improvement will be possible, and can not exceed the design and the scope of accessory claim defined, in sum, this description should not be construed as restriction of the present utility model.
Claims (2)
1. fire fighting truck automatic steady current voltage-stabilizing system, comprise state display operating panel (1), controller (2), engine (10) and water pump (4), engine (10) drives the rotation of water pump (4), water pump (4) is connected with pump entrance pressure sensor (6), exit of pump pressure sensor (7) and pump rotary speed sensor (5), it is characterized in that: also comprise water pot liquid level sensor (8) and froth level sensor (9), described controller (2) is gathered pump rotary speed sensor (5), pump entrance pressure sensor (6), exit of pump pressure sensor (7), the signal of water pot liquid level sensor (8) and froth level sensor (9) also transfers to state display operating panel (1) with this signal; State display operating panel (1) output predetermined value is given controller (2); Controller (2) is received the E-Gas interface (11) of engine (10) by throttle switching controller (3).
2. a kind of fire fighting truck automatic steady current voltage-stabilizing system according to claim 1 is characterized in that: described water pot liquid level sensor (8) and froth level sensor (9) respectively with state display operating panel (1) on water pot liquid level indication (21) and foam tank liquid level indicate (22) corresponding demonstration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200473897U CN201988086U (en) | 2011-02-25 | 2011-02-25 | Automatic current-pressure stabilizing system for fire truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200473897U CN201988086U (en) | 2011-02-25 | 2011-02-25 | Automatic current-pressure stabilizing system for fire truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201988086U true CN201988086U (en) | 2011-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200473897U Expired - Lifetime CN201988086U (en) | 2011-02-25 | 2011-02-25 | Automatic current-pressure stabilizing system for fire truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201988086U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705085A (en) * | 2012-06-27 | 2012-10-03 | 潍柴动力股份有限公司 | Accelerator control device and engineering plant |
| CN103611228A (en) * | 2013-11-28 | 2014-03-05 | 北京中卓时代消防装备科技有限公司 | Control device for realizing independent operation of two sides of centrally-mounted pump fire fighting truck |
| CN109398089A (en) * | 2018-10-16 | 2019-03-01 | 陕西凌华电子有限公司 | A kind of intelligent automobile instrument for special vehicle fire fighting truck fire-fighting operation |
| CN110170133A (en) * | 2019-06-25 | 2019-08-27 | 徐工消防安全装备有限公司 | Fire-fighting liquid-supplying system and control method |
-
2011
- 2011-02-25 CN CN2011200473897U patent/CN201988086U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705085A (en) * | 2012-06-27 | 2012-10-03 | 潍柴动力股份有限公司 | Accelerator control device and engineering plant |
| CN102705085B (en) * | 2012-06-27 | 2015-11-18 | 潍柴动力股份有限公司 | A kind of accelerator control device and engineering machinery |
| CN103611228A (en) * | 2013-11-28 | 2014-03-05 | 北京中卓时代消防装备科技有限公司 | Control device for realizing independent operation of two sides of centrally-mounted pump fire fighting truck |
| CN109398089A (en) * | 2018-10-16 | 2019-03-01 | 陕西凌华电子有限公司 | A kind of intelligent automobile instrument for special vehicle fire fighting truck fire-fighting operation |
| CN110170133A (en) * | 2019-06-25 | 2019-08-27 | 徐工消防安全装备有限公司 | Fire-fighting liquid-supplying system and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 611130 Sichuan, Wenjiang, Taiwan Strait science and Technology Industrial Park, Xinhua Road, Section 1, No. 8 Patentee after: Sichuan Chuanxiao Fire Fighting Vehicle Manufacturing Co., Ltd. Address before: 610000 Wenjiang, Chengdu, Chengdu, Taiwan Strait science and Technology Industrial Development Zone, Xinhua Road, Section 1, No. 8 Patentee before: Sichuan Sentian Fire Safety Appliances Co., Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20110928 |
|
| CX01 | Expiry of patent term |