CN109865225B - Oil discharging and nitrogen injection starting system of oil discharging and nitrogen injection fire extinguishing device - Google Patents
Oil discharging and nitrogen injection starting system of oil discharging and nitrogen injection fire extinguishing device Download PDFInfo
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 309
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 157
- 238000002347 injection Methods 0.000 title claims abstract description 154
- 239000007924 injection Substances 0.000 title claims abstract description 154
- 238000007599 discharging Methods 0.000 title 2
- 230000005674 electromagnetic induction Effects 0.000 claims abstract description 78
- 239000007858 starting material Substances 0.000 claims abstract description 70
- 238000007789 sealing Methods 0.000 claims description 32
- 230000001681 protective effect Effects 0.000 claims description 20
- 230000000903 blocking effect Effects 0.000 claims description 10
- 230000005484 gravity Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 2
- 230000007257 malfunction Effects 0.000 abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 101001121408 Homo sapiens L-amino-acid oxidase Proteins 0.000 description 1
- 102100026388 L-amino-acid oxidase Human genes 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 235000000396 iron Nutrition 0.000 description 1
- 150000002829 nitrogen Chemical class 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
本发明涉及一种灭火装置的启动系统，特别涉及一种排油注氮灭火装置的排油和注氮启动系统，解决了现有排油和注氮控制回路抗干扰能力差，灭火装置存在误动作可能的问题。该启动系统包括安装在注氮管路上的注氮阀门、安装在排油管路上的排油阀门及排油阀门开启装置；通过给注氮阀门中的注氮电磁感应启动器通电，控制注氮阀门的开启；排油阀门开启装置包括重锤及重锤限位装置；重锤一端与排油阀门中的阀板固连，另一端与重锤限位装置配合；通过给重锤限位装置中排油电磁感应启动器的通电，控制排油阀门的开启；注氮电磁感应启动器的启动控制电压为DC220V，启动功率大于DC220V×5A；排油电磁感应启动器的启动控制电压为DC220V，启动功率大于DC220V×6A。
The present invention relates to a starting system for a fire extinguishing device, and in particular to an oil discharge and nitrogen injection starting system for an oil discharge and nitrogen injection fire extinguishing device, which solves the problem that the existing oil discharge and nitrogen injection control circuits have poor anti-interference ability and the fire extinguishing device may have malfunction. The starting system includes a nitrogen injection valve installed on a nitrogen injection pipeline, an oil discharge valve installed on an oil discharge pipeline, and an oil discharge valve opening device; the opening of the nitrogen injection valve is controlled by energizing a nitrogen injection electromagnetic induction starter in the nitrogen injection valve; the oil discharge valve opening device includes a heavy hammer and a heavy hammer limit device; one end of the heavy hammer is fixedly connected to a valve plate in the oil discharge valve, and the other end cooperates with the heavy hammer limit device; the opening of the oil discharge valve is controlled by energizing the oil discharge electromagnetic induction starter in the heavy hammer limit device; the starting control voltage of the nitrogen injection electromagnetic induction starter is DC220V, and the starting power is greater than DC220V×5A; the starting control voltage of the oil discharge electromagnetic induction starter is DC220V, and the starting power is greater than DC220V×6A.
Description
技术领域Technical Field
本发明涉及一种灭火装置的启动系统，特别涉及一种排油注氮灭火装置的排油和注氮启动系统。The invention relates to a starting system of a fire extinguishing device, in particular to an oil draining and nitrogen injection starting system of an oil draining and nitrogen injection fire extinguishing device.
背景技术Background technique
目前国内外油浸式变压器排油注氮灭火装置由位于控制室内的控制屏、位于变压器现场的消防柜，以及二者之间的联接电缆和其它附件组成。每个控制屏安装有独立的1-4个控制单元，可控制1-4台消防柜。控制单元由继电器、联接电缆等多种电气元件组成，用于接收启动信号，并发出启动指令，启动消防柜中的排油和注氮系统，使消防柜排油并注氮，进而灭火。At present, the oil-immersed transformer oil-draining and nitrogen-injecting fire-extinguishing devices at home and abroad are composed of a control panel located in the control room, a fire-fighting cabinet located at the transformer site, and connecting cables and other accessories between the two. Each control panel is equipped with 1-4 independent control units, which can control 1-4 fire-fighting cabinets. The control unit is composed of various electrical components such as relays and connecting cables, which are used to receive the start signal and issue a start command to start the oil-draining and nitrogen-injecting system in the fire-fighting cabinet, so that the fire-fighting cabinet can drain oil and inject nitrogen, thereby extinguishing the fire.
现有的控制单元的控制形式分为两种：一种是纯继电器控制形式，另一种是PLC加继电器控制形式。控制屏总输入电源电压为DC220V或DC110V，总输入电源通过一个电源转换器，转换成DC24V后，再将DC24V传送至上述两种形式的控制单元。控制单元接收到启动信号后，发出启动指令，排油和注氮控制继电器导通，排油和注氮控制继电器的输入和输出电压均为DC24V，排油和注氮控制继电器分别将DC24V的电压输送至位于消防柜内的排油启动系统的电磁铁和注氮启动系统的电磁铁或电磁阀，排油启动系统的电磁铁和注氮启动系统的电磁铁或电磁阀的启动电压也均为DC24V，排油启动系统的电磁铁和注氮启动系统的电磁铁或电磁阀通电后，立即排油、注氮灭火。因此，也就是说，目前国内外油浸式变压器排油注氮灭火装置的输入电源电压虽然为DC220V或DC110V，但整个排油和注氮启动系统的电气控制回路的工作却均为DC24V。The existing control forms of the control unit are divided into two types: one is pure relay control form, and the other is PLC plus relay control form. The total input power supply voltage of the control panel is DC220V or DC110V. The total input power is converted into DC24V through a power converter, and then the DC24V is transmitted to the above two forms of control units. After receiving the start signal, the control unit issues a start command, and the oil discharge and nitrogen injection control relays are turned on. The input and output voltages of the oil discharge and nitrogen injection control relays are both DC24V. The oil discharge and nitrogen injection control relays respectively transmit the DC24V voltage to the electromagnet of the oil discharge start system and the electromagnet or solenoid valve of the nitrogen injection start system located in the fire cabinet. The starting voltage of the electromagnet or solenoid valve of the oil discharge start system and the electromagnet or solenoid valve of the nitrogen injection start system are also DC24V. After the electromagnet or solenoid valve of the oil discharge start system and the electromagnet or solenoid valve of the nitrogen injection start system are energized, the oil is immediately discharged and the nitrogen is injected to extinguish the fire. Therefore, that is to say, although the input power supply voltage of the oil-immersed transformer oil drainage and nitrogen injection fire extinguishing device at home and abroad is DC220V or DC110V, the electrical control circuit of the entire oil drainage and nitrogen injection starting system works at DC24V.
目前国内外油浸式变压器排油注氮灭火装置的排油系统的启动方式均为电磁铁启动式。采用电磁铁启动式时，重锤一端与设置在管路上的阀门中的阀板固连，同时设置有与重锤另一端相配合的重锤限位装置，重锤限位装置与启动机构相配合，启动机构由电磁铁启动，当电磁铁通电时，启动机构动作，带动重锤限位装置动作，重锤限位装置中的重锤挡杆缩回，重锤在重力作用下落下，进而带动与其固连的阀板转动，开启阀门。现国内外用于排油阀门开启的阀式电磁铁，虽然其启动电压可以达到DC220V，但其启动功率最大不超过100W，小于DC220V×6A的启动功率。At present, the starting method of the oil discharge system of the oil-immersed transformer oil discharge and nitrogen injection fire extinguishing device at home and abroad is the electromagnetic start type. When the electromagnetic start type is adopted, one end of the heavy hammer is fixedly connected to the valve plate in the valve set on the pipeline, and a heavy hammer limit device matching the other end of the heavy hammer is provided. The heavy hammer limit device matches the starting mechanism, and the starting mechanism is started by the electromagnet. When the electromagnet is energized, the starting mechanism acts, driving the heavy hammer limit device to act, the heavy hammer stop rod in the heavy hammer limit device retracts, and the heavy hammer falls under the action of gravity, thereby driving the valve plate fixed to it to rotate and open the valve. Although the starting voltage of the valve type electromagnet used for opening the oil discharge valve at home and abroad can reach DC220V, its maximum starting power does not exceed 100W, which is less than the starting power of DC220V×6A.
目前国内外油浸式变压器排油注氮灭火装置注氮阀门的启动方式分为电磁铁启动式和电磁阀启动式。现国内外用于注氮阀门开启的阀式电磁铁，虽然其启动电压可以达到DC220V，但其启动功率最大不超过100W，小于DC220V×5A的启动功率。而现有的国内外所有厂家生产、销售的电磁阀启动式中的电磁阀，其启动控制电压都是DC24V或DC110V，没有DC220V。因而，也就是说，目前国内外所有厂家均没有生产、销售启动功率大于DC220V×5A的电磁铁和电磁阀。At present, the start-up methods of nitrogen injection valves in oil-immersed transformer oil-draining nitrogen injection fire extinguishing devices at home and abroad are divided into electromagnetic start-up and electromagnetic valve start-up. Although the start-up voltage of the valve-type electromagnetic iron used for opening the nitrogen injection valve at home and abroad can reach DC220V, its maximum start-up power does not exceed 100W, which is less than the start-up power of DC220V×5A. The start-up control voltage of the electromagnetic valve in the electromagnetic valve start-up type produced and sold by all manufacturers at home and abroad is DC24V or DC110V, and there is no DC220V. Therefore, in other words, at present, all manufacturers at home and abroad do not produce and sell electromagnetic irons and electromagnetic valves with a start-up power greater than DC220V×5A.
如果将电磁铁的启动功率做到大于DC220V×6A，一方面其体积非常大，不适合在狭小空间使用；另一方面由于大启动功率的电磁铁在其它领域的需求很小，成本较高，因此目前尚未有厂家生产这种大启动功率的电磁铁。If the starting power of the electromagnet is made greater than DC220V×6A, on the one hand, its volume is very large and is not suitable for use in a small space; on the other hand, since the demand for electromagnets with large starting power is very small in other fields and the cost is relatively high, no manufacturer currently produces such electromagnets with large starting power.
其它电启动阀门中唯一能满足启动功率大于DC220V×6A的阀门是电机式的电启动阀门，其需要根据动作线圈功率的需求配置相应的电机，动作线圈功率可以做到大于DC220V×6A，但其阀门完全打开的时间过长，通常需要30秒，不满足【GA835-2009油浸变压器排油注氮灭火装置】中排油阀门从接到启动信号至完全开启的时间不应大于3秒的要求以及注氮阀门从接到启动信号至完全开启的时间不应大于1秒的要求。The only other electric-start valve that can meet the starting power greater than DC220V×6A is the motor-type electric-start valve, which needs to be equipped with a corresponding motor according to the power demand of the action coil. The action coil power can be greater than DC220V×6A, but the time it takes for the valve to fully open is too long, usually 30 seconds, which does not meet the requirements of [GA835-2009 Oil-immersed transformer oil draining and nitrogen injection fire extinguishing device] that the time from receiving the start signal to fully opening of the oil drain valve should not be greater than 3 seconds and the time from receiving the start signal to fully opening of the nitrogen injection valve should not be greater than 1 second.
启动功率小于DC220V×6A的排油控制回路和启动功率小于DC220V×5A的注氮控制回路的抗干扰能力差，会使排油注氮灭火装置存在误动作的可能性，而变压器是变电站、水利或火力发电厂最重要的电气设备，一旦与其联接的排油注氮灭火装置误动作，排油注氮，将会导致变压器突然停电，带来及其严重的经济损失和不良影响。The oil drainage control circuit with a starting power less than DC220V×6A and the nitrogen injection control circuit with a starting power less than DC220V×5A have poor anti-interference capabilities, which may cause the oil drainage and nitrogen injection fire extinguishing device to malfunction. The transformer is the most important electrical equipment in substations, water conservancy or thermal power plants. Once the oil drainage and nitrogen injection fire extinguishing device connected to it malfunctions, oil drainage and nitrogen injection will cause a sudden power outage in the transformer, bringing extremely serious economic losses and adverse effects.
发明内容Summary of the invention
本发明的目的是提供一种排油注氮灭火装置的排油和注氮启动系统，以解决排油注氮灭火装置现有的排油和注氮控制回路抗干扰能力差，会使排油注氮灭火装置存在误动作可能性的技术问题。The object of the present invention is to provide an oil discharge and nitrogen injection starting system for an oil discharge and nitrogen injection fire extinguishing device, so as to solve the technical problem that the existing oil discharge and nitrogen injection control circuits of the oil discharge and nitrogen injection fire extinguishing device have poor anti-interference ability, which may cause the oil discharge and nitrogen injection fire extinguishing device to have the possibility of malfunction.
本发明所采用的技术方案是，一种排油注氮灭火装置的排油和注氮启动系统，其特殊之处在于：The technical solution adopted by the present invention is an oil discharge and nitrogen injection start-up system for an oil discharge and nitrogen injection fire extinguishing device, which is special in that:
包括注氮阀门、排油阀门以及排油阀门开启装置；It includes a nitrogen injection valve, an oil discharge valve and an oil discharge valve opening device;
所述注氮阀门固定安装在注氮管路上，其包括注氮电磁感应启动器，通过控制注氮电磁感应启动器的通电控制注氮阀门的开启；The nitrogen injection valve is fixedly installed on the nitrogen injection pipeline, and includes a nitrogen injection electromagnetic induction starter, and the opening of the nitrogen injection valve is controlled by controlling the power supply of the nitrogen injection electromagnetic induction starter;
所述排油阀门固定安装在排油管路上；The oil discharge valve is fixedly installed on the oil discharge pipeline;
所述排油阀门开启装置包括重锤以及重锤限位装置；所述重锤一端与排油阀门中的阀板固连，另一端与所述重锤限位装置配合；所述重锤限位装置包括排油电磁感应启动器，通过控制排油电磁感应启动器的通电控制排油阀门的开启；The oil drain valve opening device includes a heavy hammer and a heavy hammer limit device; one end of the heavy hammer is fixedly connected to the valve plate in the oil drain valve, and the other end cooperates with the heavy hammer limit device; the heavy hammer limit device includes an oil drain electromagnetic induction starter, and the opening of the oil drain valve is controlled by controlling the power supply of the oil drain electromagnetic induction starter;
所述注氮电磁感应启动器的启动控制电压为DC220V，启动功率大于DC220V×5A；所述排油电磁感应启动器的启动控制电压为DC220V，启动功率大于DC220V×6A。The starting control voltage of the nitrogen injection electromagnetic induction starter is DC220V, and the starting power is greater than DC220V×5A; the starting control voltage of the oil drainage electromagnetic induction starter is DC220V, and the starting power is greater than DC220V×6A.
进一步地，由同一电源分两路分别给注氮电磁感应启动器和排油电磁感应启动器供电；Furthermore, the same power supply is divided into two circuits to supply power to the nitrogen injection electromagnetic induction starter and the oil discharge electromagnetic induction starter respectively;
所述电源为直流电源，其电压为DC220V，电流大于12.5A；The power supply is a DC power supply with a voltage of DC220V and a current greater than 12.5A;
在所述电源与注氮电磁感应启动器之间设置有注氮控制继电器；在所述电源与排油电磁感应启动器之间设置有排油控制继电器。A nitrogen injection control relay is arranged between the power supply and the nitrogen injection electromagnetic induction starter; and an oil discharge control relay is arranged between the power supply and the oil discharge electromagnetic induction starter.
进一步地，所述注氮控制继电器的启动控制电压为DC220V，启动功率大于DC220V×5A；所述排油控制继电器的启动控制电压为DC220V，启动功率大于DC220V×6A。Furthermore, the starting control voltage of the nitrogen injection control relay is DC220V, and the starting power is greater than DC220V×5A; the starting control voltage of the oil discharge control relay is DC220V, and the starting power is greater than DC220V×6A.
进一步地，所述注氮阀门还包括第一安装板、第二安装板、第三安装板、第一密封保护套、第二密封保护套、压膜组件、隔膜以及冲击锤；Furthermore, the nitrogen injection valve further comprises a first mounting plate, a second mounting plate, a third mounting plate, a first sealing protective sleeve, a second sealing protective sleeve, a film pressing assembly, a diaphragm and an impact hammer;
所述第一安装板、第二安装板以及第三安装板依次平行设置且三者固连；所述第一密封保护套夹装在第一安装板和第二安装板之间；所述第二密封保护套夹装在第二安装板和第三安装板之间；所述压膜组件设置在第三安装板远离第二安装板的一侧，且其与第三安装板密封固连；The first mounting plate, the second mounting plate and the third mounting plate are arranged in parallel in sequence and are fixedly connected; the first sealing protective sleeve is clamped between the first mounting plate and the second mounting plate; the second sealing protective sleeve is clamped between the second mounting plate and the third mounting plate; the film pressing assembly is arranged on a side of the third mounting plate away from the second mounting plate, and is sealed and fixedly connected to the third mounting plate;
在所述第二安装板上设置有连通第一密封保护套内腔与第二密封保护套内腔的第一通孔；在所述第三安装板上设置有第二通孔，所述隔膜设置在第二通孔处，通过所述隔膜将第二密封保护套的内腔与压膜组件的内腔隔开；A first through hole is provided on the second mounting plate to connect the inner cavity of the first sealing protective sleeve with the inner cavity of the second sealing protective sleeve; a second through hole is provided on the third mounting plate, and the diaphragm is provided at the second through hole, and the inner cavity of the second sealing protective sleeve is separated from the inner cavity of the film pressing assembly by the diaphragm;
所述注氮电磁感应启动器设置在第一密封保护套内；所述冲击锤设置在注氮电磁感应启动器的内孔中，其在注氮电磁感应启动器的电磁感应力驱动下沿轴线运动，穿过所述第一通孔后，撞破隔膜；The nitrogen injection electromagnetic induction starter is arranged in the first sealing protective sleeve; the impact hammer is arranged in the inner hole of the nitrogen injection electromagnetic induction starter, and moves along the axis driven by the electromagnetic induction force of the nitrogen injection electromagnetic induction starter, passes through the first through hole, and then breaks the diaphragm;
在所述第一安装板上设置有与第一密封保护套内腔连通的进气孔；在所述压膜组件上设置有出气孔。An air inlet hole communicating with the inner cavity of the first sealing protective sleeve is arranged on the first mounting plate; and an air outlet hole is arranged on the film pressing assembly.
进一步地，在所述进气孔处设置有第一注氮管接头，所述第一注氮管接头为三通管接头；Furthermore, a first nitrogen injection pipe joint is provided at the air inlet, and the first nitrogen injection pipe joint is a three-way pipe joint;
在所述出气孔处设置有第二注氮管接头。A second nitrogen injection pipe joint is arranged at the gas outlet.
进一步地，所述第二通孔为台阶状通孔，所述隔膜设置在第二通孔的台阶处，且在所述隔膜的上下表面均设置有密封圈。Furthermore, the second through hole is a stepped through hole, the diaphragm is arranged at the step of the second through hole, and sealing rings are arranged on the upper and lower surfaces of the diaphragm.
进一步地，所述第一安装板、第二安装板以及第三安装板之间通过多根第一螺杆固连。Furthermore, the first mounting plate, the second mounting plate and the third mounting plate are fixedly connected by a plurality of first screws.
进一步地，所述重锤限位装置还包括第四安装板、第五安装板、限位板以及重锤挡杆；Furthermore, the weight limiting device also includes a fourth mounting plate, a fifth mounting plate, a limiting plate and a weight blocking rod;
所述第四安装板、第五安装板以及限位板依次平行设置且三者固连；The fourth mounting plate, the fifth mounting plate and the limiting plate are arranged in parallel in sequence and the three are fixedly connected;
所述排油电磁感应启动器夹装在第四安装板和第五安装板之间；所述重锤挡杆的大端设置在排油电磁感应启动器的内孔中，其小端背离第四安装板；所述重锤挡杆在排油电磁感应启动器的电磁感应力驱动下沿自身轴线方向运动；The oil-draining electromagnetic induction starter is clamped between the fourth mounting plate and the fifth mounting plate; the large end of the weight stopper is arranged in the inner hole of the oil-draining electromagnetic induction starter, and the small end thereof is away from the fourth mounting plate; the weight stopper moves along its own axis direction under the driving force of the electromagnetic induction force of the oil-draining electromagnetic induction starter;
在所述第五安装板上设置有与重锤挡杆相适配的第一过孔；在所述限位板上设置有与重锤挡杆同轴的限位通孔，所述限位通孔的径向尺寸介于重锤挡杆大端与小端的径向尺寸之间；A first through hole adapted to the weight stop rod is provided on the fifth mounting plate; a limiting through hole coaxial with the weight stop rod is provided on the limiting plate, and the radial dimension of the limiting through hole is between the radial dimensions of the large end and the small end of the weight stop rod;
所述重锤限位装置固定设置，且其重锤挡杆的轴线水平，所述重锤挡杆与重锤的另一端配合。The weight limiting device is fixedly arranged, and the axis of the weight blocking rod is horizontal, and the weight blocking rod is matched with the other end of the weight.
进一步地，所述重锤限位装置还包括导向板；Furthermore, the weight limiting device further includes a guide plate;
所述导向板设置在限位板远离第五安装板的一侧，其与限位板平行且固连；The guide plate is arranged on a side of the limiting plate away from the fifth mounting plate, and is parallel to and fixedly connected to the limiting plate;
在所述导向板上设置有导向通孔，所述导向通孔与重锤挡杆相适配。A guide through hole is arranged on the guide plate, and the guide through hole is matched with the weight blocking rod.
进一步地，所述重锤限位装置还包括底座和外壳；Furthermore, the weight limiting device also includes a base and a shell;
所述第四安装板和第五安装板之间通过多个第二螺杆及螺母固连后，固定安装在底座上，通过底座与所述限位板及导向板固连；The fourth mounting plate and the fifth mounting plate are fixedly connected by a plurality of second screws and nuts, and are fixedly mounted on the base, and are fixedly connected to the limit plate and the guide plate through the base;
所述排油电磁感应启动器、第四安装板、第五安装板、限位板以及重锤挡杆均设置在外壳内；The oil discharge electromagnetic induction starter, the fourth mounting plate, the fifth mounting plate, the limit plate and the heavy hammer stop rod are all arranged in the housing;
在所述外壳上设置有与重锤挡杆相适配的第二过孔。The housing is provided with a second through hole matched with the weight blocking rod.
本发明的有益效果是：The beneficial effects of the present invention are:
(1)本发明的排油注氮灭火装置的排油和注氮启动系统，注氮电磁感应启动器的启动控制电压为DC220V，启动功率大于DC220V×5A；排油电磁感应启动器的启动控制电压为DC220V，启动功率大于DC220V×6A，因而，整个排油注氮灭火装置的注氮控制回路的启动功率大于DC220V×5A，排油控制回路的启动功率大于DC220V×6A，其抗干扰能力强；因此，本发明解决了排油注氮灭火装置现有的排油和注氮控制回路抗干扰能力差，会使排油注氮灭火装置存在误动作可能性的技术问题。(1) In the oil discharge and nitrogen injection starting system of the oil discharge and nitrogen injection fire extinguishing device of the present invention, the starting control voltage of the nitrogen injection electromagnetic induction starter is DC220V, and the starting power is greater than DC220V×5A; the starting control voltage of the oil discharge electromagnetic induction starter is DC220V, and the starting power is greater than DC220V×6A. Therefore, the starting power of the nitrogen injection control circuit of the entire oil discharge and nitrogen injection fire extinguishing device is greater than DC220V×5A, and the starting power of the oil discharge control circuit is greater than DC220V×6A, and the anti-interference ability is strong; therefore, the present invention solves the technical problem that the existing oil discharge and nitrogen injection control circuits of the oil discharge and nitrogen injection fire extinguishing device have poor anti-interference ability, which may cause the oil discharge and nitrogen injection fire extinguishing device to have the possibility of malfunction.
(2)本发明的排油注氮灭火装置的排油和注氮启动系统，由同一电源分两路分别给注氮电磁感应启动器和排油电磁感应启动器供电，该电源为直流电源，其电压为DC220V，电流大于12.5A；该电源经注氮控制继电器后，其供给注氮电磁感应启动器的启动功率大于DC220V×5A，该电源经排油控制继电器后，其供给排油电磁感应启动器的启动功率大于DC220V×6A；因而其不仅能满足注氮电磁感应启动器的启动功率大于DC220V×5A，排油电磁感应启动器的启动功率大于DC220V×6A的要求，而且其相对于用两个电源供电，结构更为简单。(2) The oil discharge and nitrogen injection starting system of the oil discharge and nitrogen injection fire extinguishing device of the present invention is divided into two paths by the same power supply to supply power to the nitrogen injection electromagnetic induction starter and the oil discharge electromagnetic induction starter respectively. The power supply is a DC power supply with a voltage of DC220V and a current greater than 12.5A. After the power supply passes through the nitrogen injection control relay, the starting power supplied to the nitrogen injection electromagnetic induction starter is greater than DC220V×5A. After the power supply passes through the oil discharge control relay, the starting power supplied to the oil discharge electromagnetic induction starter is greater than DC220V×6A. Therefore, it can not only meet the requirements that the starting power of the nitrogen injection electromagnetic induction starter is greater than DC220V×5A and the starting power of the oil discharge electromagnetic induction starter is greater than DC220V×6A, but also has a simpler structure than using two power supplies.
(3)本发明的排油注氮灭火装置的排油和注氮启动系统，还提供了一种启动控制电压可为DC220V，启动功率可大于DC220V×5A的注氮阀门；该注氮阀门利用电磁感应器的强电磁感应力驱动冲击锤运动，撞破隔膜，开启阀门；由于该电磁感应器的启动控制电压可为DC220V，启动功率可大于DC220V×5A，因此，其控制回路抗干扰能力强，可用在变电站、水利或火力发电厂中油浸式变压器排油注氮灭火装置的注氮管路上，防止灭火装置误动作。(3) The oil discharge and nitrogen injection starting system of the oil discharge and nitrogen injection fire extinguishing device of the present invention also provides a nitrogen injection valve with a starting control voltage of DC220V and a starting power greater than DC220V×5A; the nitrogen injection valve uses the strong electromagnetic induction force of the electromagnetic inductor to drive the impact hammer to move, break the diaphragm, and open the valve; because the starting control voltage of the electromagnetic inductor can be DC220V and the starting power can be greater than DC220V×5A, its control circuit has a strong anti-interference ability and can be used on the nitrogen injection pipeline of the oil-immersed transformer oil discharge and nitrogen injection fire extinguishing device in a substation, water conservancy or thermal power plant to prevent the fire extinguishing device from malfunctioning.
(4)本发明的排油注氮灭火装置的排油和注氮启动系统，还提供了一种启动控制电压可为DC220V，启动功率可大于DC220V×6A的排油阀门开启装置；该开启装置利用电磁感应器的强电磁感应力驱动重锤挡杆收回，使重锤落下，从而开启阀门；由于该电磁感应器的启动控制电压可为DC220V，启动功率可大于DC220V×6A，因此，其控制回路抗干扰能力强，可用在变电站、水利或火力发电厂中油浸式变压器场合下，控制排油注氮灭火装置排油管路上设置的排油阀门的开启，防止灭火装置误动作。(4) The oil discharge and nitrogen injection starting system of the oil discharge and nitrogen injection fire extinguishing device of the present invention also provides an oil discharge valve opening device with a starting control voltage of DC220V and a starting power greater than DC220V×6A; the opening device uses the strong electromagnetic induction force of the electromagnetic inductor to drive the heavy hammer stop rod to retract, so that the heavy hammer falls, thereby opening the valve; because the starting control voltage of the electromagnetic inductor can be DC220V and the starting power can be greater than DC220V×6A, its control circuit has a strong anti-interference ability and can be used in oil-immersed transformers in substations, water conservancy or thermal power plants to control the opening of the oil discharge valve provided on the oil discharge pipeline of the oil discharge and nitrogen injection fire extinguishing device to prevent the fire extinguishing device from malfunctioning.
附图说明BRIEF DESCRIPTION OF THE DRAWINGS
图1是本发明实施例在油浸式变压器场合使用的结构示意图；FIG1 is a schematic diagram of the structure of an embodiment of the present invention used in an oil-immersed transformer;
图2是图1中Ⅰ处的局部放大图；Fig. 2 is a partial enlarged view of point Ⅰ in Fig. 1;
图3是本发明实施例中注氮阀门的结构示意图；3 is a schematic diagram of the structure of a nitrogen injection valve in an embodiment of the present invention;
图4是本发明实施例中重锤限位装置的结构示意图；4 is a schematic structural diagram of a weight limit device according to an embodiment of the present invention;
图5是本发明实施例的电原理图。FIG. 5 is an electrical schematic diagram of an embodiment of the present invention.
图中各标号的说明如下：The descriptions of the numbers in the figure are as follows:
1-电源，2-注氮控制继电器，3-注氮阀门，31-注氮电磁感应启动器，32-第一注氮管接头，33-第一安装板，34-第一密封保护套，35-第二安装板，36-第二密封保护套，37-第三安装板，38-隔膜，39-压膜组件，310-第二注氮管接头，311-第一螺杆，312-冲击锤，4-排油控制继电器，5-排油阀门，51-阀板，6-注氮管路，7-排油管路，8-排油阀门开启装置，81-重锤，82-重锤限位装置，821-排油电磁感应启动器，822-第四安装板，823-第五安装板，824-限位板，825-重锤挡杆，826-导向板，827-底座，828-第二螺杆，829-外壳。1-power supply, 2-nitrogen injection control relay, 3-nitrogen injection valve, 31-nitrogen injection electromagnetic induction starter, 32-first nitrogen injection pipe joint, 33-first mounting plate, 34-first sealing protection sleeve, 35-second mounting plate, 36-second sealing protection sleeve, 37-third mounting plate, 38-diaphragm, 39-film pressing assembly, 310-second nitrogen injection pipe joint, 311-first screw, 312-impact hammer, 4-oil discharge control relay, 5-oil discharge valve, 51-valve plate, 6-nitrogen injection pipeline, 7-oil discharge pipeline, 8-oil discharge valve opening device, 81-heavy hammer, 82-heavy hammer limiting device, 821-oil discharge electromagnetic induction starter, 822-fourth mounting plate, 823-fifth mounting plate, 824-limiting plate, 825-heavy hammer stop rod, 826-guide plate, 827-base, 828-second screw, 829-housing.
具体实施方式Detailed ways
下面结合附图和具体实施方式对本发明进行详细说明。The present invention is described in detail below with reference to the accompanying drawings and specific embodiments.
参见图1和图2，本发明一种排油注氮灭火装置的排油和注氮启动系统，包括注氮阀门3、排油阀门5以及排油阀门开启装置8。1 and 2 , an oil discharge and nitrogen injection starting system of an oil discharge and nitrogen injection fire extinguishing device of the present invention comprises a nitrogen injection valve 3 , an oil discharge valve 5 and an oil discharge valve opening device 8 .
注氮阀门3固定安装在注氮管路6上，其包括注氮电磁感应启动器31，通过控制注氮电磁感应启动器31的通电控制注氮阀门3的开启；注氮电磁感应启动器31的启动控制电压为DC220V，启动功率大于DC220V×5A。The nitrogen injection valve 3 is fixedly installed on the nitrogen injection pipeline 6, and includes a nitrogen injection electromagnetic induction starter 31. The opening of the nitrogen injection valve 3 is controlled by controlling the power supply of the nitrogen injection electromagnetic induction starter 31; the starting control voltage of the nitrogen injection electromagnetic induction starter 31 is DC220V, and the starting power is greater than DC220V×5A.
参见图3，在本实施例中，注氮阀门3优选地还包括第一安装板33、第二安装板35、第三安装板37、第一密封保护套34、第二密封保护套36、压膜组件39、隔膜38以及冲击锤312。上述第一安装板33、第二安装板35以及第三安装板37依次平行设置且三者固连，在本实施例中，三者间通过多根第一螺杆311固连；第一密封保护套34夹装在第一安装板33和第二安装板35之间；第二密封保护套36夹装在第二安装板35和第三安装板37之间；压膜组件39设置在第三安装板37远离第二安装板35的一侧，且其与第三安装板37密封固连；在第二安装板35上设置有连通第一密封保护套34内腔与第二密封保护套36内腔的第一通孔；在第三安装板37上设置有第二通孔，上述隔膜38设置在第二通孔处，通过隔膜38将第二密封保护套36的内腔与压膜组件39的内腔隔开，在本实施例中，优选地第二通孔为台阶状通孔，隔膜38设置在第二通孔的台阶处，且在隔膜38的上下表面均设置有密封圈；上述注氮电磁感应启动器31设置在第一密封保护套34内；上述冲击锤312设置在注氮电磁感应启动器31的内孔中，冲击锤312的材料为铁或钢或其它导磁材料，冲击锤312在注氮电磁感应启动器31的电磁感应力驱动下沿轴线运动，穿过上述第一通孔后，撞破隔膜38。在上述第一安装板33上设置有与第一密封保护套34内腔连通的进气孔；在上述压膜组件39上设置有出气孔。本实施例为了方便连接，优选地在上述进气孔处设置有第一注氮管接头32，且第一注氮管接头32为三通管接头，可同时与两个氮气罐连接；在上述出气孔处设置有第二注氮管接头310。Referring to Fig. 3, in the present embodiment, the nitrogen injection valve 3 preferably further includes a first mounting plate 33, a second mounting plate 35, a third mounting plate 37, a first sealing protective sleeve 34, a second sealing protective sleeve 36, a film pressing assembly 39, a diaphragm 38 and an impact hammer 312. The above-mentioned first mounting plate 33, the second mounting plate 35 and the third mounting plate 37 are sequentially arranged in parallel and the three are fixedly connected. In the present embodiment, the three are fixedly connected by a plurality of first screws 311; the first sealing protective sleeve 34 is clamped between the first mounting plate 33 and the second mounting plate 35; the second sealing protective sleeve 36 is clamped between the second mounting plate 35 and the third mounting plate 37; the film pressing assembly 39 is arranged on the side of the third mounting plate 37 away from the second mounting plate 35, and it is sealed and fixedly connected to the third mounting plate 37; a first through hole connecting the inner cavity of the first sealing protective sleeve 34 and the inner cavity of the second sealing protective sleeve 36 is arranged on the second mounting plate 35; a second through hole is arranged on the third mounting plate 37, The diaphragm 38 is arranged at the second through hole, and the inner cavity of the second sealing protective sleeve 36 is separated from the inner cavity of the film pressing assembly 39 by the diaphragm 38. In this embodiment, the second through hole is preferably a stepped through hole, and the diaphragm 38 is arranged at the step of the second through hole, and sealing rings are arranged on the upper and lower surfaces of the diaphragm 38; the nitrogen injection electromagnetic induction starter 31 is arranged in the first sealing protective sleeve 34; the impact hammer 312 is arranged in the inner hole of the nitrogen injection electromagnetic induction starter 31, and the material of the impact hammer 312 is iron or steel or other magnetic conductive materials. The impact hammer 312 moves along the axis driven by the electromagnetic induction force of the nitrogen injection electromagnetic induction starter 31, passes through the first through hole, and breaks the diaphragm 38. An air inlet hole connected to the inner cavity of the first sealing protective sleeve 34 is arranged on the first mounting plate 33; an air outlet hole is arranged on the film pressing assembly 39. In order to facilitate connection, in this embodiment, a first nitrogen injection pipe joint 32 is preferably provided at the above-mentioned air inlet, and the first nitrogen injection pipe joint 32 is a three-way pipe joint that can be connected to two nitrogen tanks at the same time; a second nitrogen injection pipe joint 310 is provided at the above-mentioned air outlet.
排油阀门5固定安装在排油管路7上；排油阀门开启装置8包括重锤81以及重锤限位装置82；重锤81一端与排油阀门5中的阀板51固连，另一端与重锤限位装置82配合；重锤限位装置82包括排油电磁感应启动器821，通过给排油电磁感应启动器821通电，控制重锤81的落下，进而带动与重锤81固连的阀板51转动，控制排油阀门5的开启；排油电磁感应启动器821的启动控制电压为DC220V，启动功率大于DC220V×6A。The oil drain valve 5 is fixedly installed on the oil drain pipeline 7; the oil drain valve opening device 8 includes a weight 81 and a weight limit device 82; one end of the weight 81 is fixedly connected to the valve plate 51 in the oil drain valve 5, and the other end cooperates with the weight limit device 82; the weight limit device 82 includes an oil drain electromagnetic induction starter 821, by energizing the oil drain electromagnetic induction starter 821, the falling of the weight 81 is controlled, and then the valve plate 51 fixedly connected to the weight 81 is driven to rotate, thereby controlling the opening of the oil drain valve 5; the starting control voltage of the oil drain electromagnetic induction starter 821 is DC220V, and the starting power is greater than DC220V×6A.
参见图4，本实施例中，重锤限位装置82优选地还包括第四安装板822、第五安装板823、限位板824、导向板826、重锤挡杆825、底座827以及外壳829。第四安装板822、第五安装板823、限位板824以及导向板826依次平行设置且四者间固连；在本实施例中，第四安装板822和第五安装板823之间通过多个第二螺杆828及螺母固连后，固定安装在底座827上，通过底座827与上述限位板824及导向板826固连；排油电磁感应启动器821夹装在第四安装板822和第五安装板823之间；重锤挡杆825的大端设置在排油电磁感应启动器821的内孔中，其小端背离第四安装板822；重锤挡杆825的材料为铁或钢或其它导磁材料，重锤挡杆825在排油电磁感应启动器821的电磁感应力驱动下沿自身轴线方向运动；在上述第五安装板823上设置有与重锤挡杆825相适配的第一过孔；在上述限位板824上设置有与重锤挡杆825同轴的限位通孔，限位通孔的径向尺寸介于重锤挡杆825大端与小端的径向尺寸之间；在上述导向板826上设置有导向通孔，导向通孔与重锤挡杆825相适配；上述排油电磁感应启动器821、第四安装板822、第五安装板823、限位板824以及重锤挡杆825均设置在外壳829内部，导向板826设置在外壳829外部；在上述外壳829上设置有与重锤挡杆825相适配的第二过孔。该重锤限位装置82固定安装在灭火装置中，且安装时保持其重锤挡杆825的轴线水平，重锤挡杆825与重锤81的另一端配合。4 , in this embodiment, the weight limiting device 82 preferably also includes a fourth mounting plate 822 , a fifth mounting plate 823 , a limiting plate 824 , a guide plate 826 , a weight blocking rod 825 , a base 827 and a housing 829 . The fourth mounting plate 822, the fifth mounting plate 823, the limit plate 824 and the guide plate 826 are arranged in parallel in sequence and are fixedly connected; in the present embodiment, the fourth mounting plate 822 and the fifth mounting plate 823 are fixedly connected by a plurality of second screws 828 and nuts, and are fixedly mounted on the base 827, and are fixedly connected to the above-mentioned limit plate 824 and the guide plate 826 through the base 827; the oil drain electromagnetic induction starter 821 is clamped between the fourth mounting plate 822 and the fifth mounting plate 823; the large end of the heavy hammer baffle rod 825 is arranged in the inner hole of the oil drain electromagnetic induction starter 821, and the small end thereof is away from the fourth mounting plate 822; the material of the heavy hammer baffle rod 825 is iron or steel or other magnetic conductive materials, and the heavy hammer baffle rod 825 is in the oil drain electromagnetic induction starter 821. Driven by electromagnetic induction force, it moves along its own axis direction; a first through hole matching the weight stop rod 825 is provided on the fifth mounting plate 823; a limiting through hole coaxial with the weight stop rod 825 is provided on the limiting plate 824, and the radial dimension of the limiting through hole is between the radial dimensions of the large end and the small end of the weight stop rod 825; a guide through hole is provided on the guide plate 826, and the guide through hole is matched with the weight stop rod 825; the oil discharge electromagnetic induction starter 821, the fourth mounting plate 822, the fifth mounting plate 823, the limiting plate 824 and the weight stop rod 825 are all arranged inside the housing 829, and the guide plate 826 is arranged outside the housing 829; a second through hole matching the weight stop rod 825 is provided on the housing 829. The weight stop device 82 is fixedly installed in the fire extinguishing device, and the axis of the weight stop rod 825 is kept horizontal during installation, and the weight stop rod 825 is matched with the other end of the weight 81.
参见图5，本实施例的排油注氮灭火装置的排油和注氮启动系统，其注氮电磁感应启动器31和排油电磁感应启动器821由同一电源1供电；该电源1为直流电源，其电压为220V，电流大于12.5A，在本实施例中，等于14A；在电源1与注氮电磁感应启动器31之间设置有注氮控制继电器2；在电源1与排油电磁感应启动器821之间设置有排油控制继电器4。这样，注氮电磁感应启动器31和排油电磁感应启动器821的输入电压均为220V，输入电流分别为6A和6.5A，均大于等于6A，其控制回路抗干扰能力强。Referring to Fig. 5, the oil discharge and nitrogen injection starting system of the oil discharge and nitrogen injection fire extinguishing device of this embodiment, the nitrogen injection electromagnetic induction starter 31 and the oil discharge electromagnetic induction starter 821 are powered by the same power supply 1; the power supply 1 is a DC power supply, the voltage is 220V, the current is greater than 12.5A, in this embodiment, equal to 14A; a nitrogen injection control relay 2 is provided between the power supply 1 and the nitrogen injection electromagnetic induction starter 31; an oil discharge control relay 4 is provided between the power supply 1 and the oil discharge electromagnetic induction starter 821. In this way, the input voltage of the nitrogen injection electromagnetic induction starter 31 and the oil discharge electromagnetic induction starter 821 are both 220V, and the input current is 6A and 6.5A respectively, both greater than or equal to 6A, and the control circuit has a strong anti-interference ability.
本发明的排油注氮灭火装置的排油和注氮启动系统的工作过程为：装置接收到启动信号后，控制屏内的控制单元控制排油控制继电器4闭合，排油电磁感应启动器821通电，在磁力的作用下重锤挡杆825缩回，重锤81在重力的作用下落下，带动阀板51转动，打开排油阀门5，排油系统工作排油；排油2秒后，注氮控制继电器2闭合，注氮电磁感应启动器31通电，在磁力的作用下冲击锤312撞破隔膜38，注氮阀门3开启，注氮系统工作，注氮灭火。The working process of the oil discharge and nitrogen injection starting system of the oil discharge and nitrogen injection fire extinguishing device of the present invention is as follows: after the device receives the starting signal, the control unit in the control panel controls the oil discharge control relay 4 to close, the oil discharge electromagnetic induction starter 821 to be energized, the heavy hammer blocking rod 825 to retract under the action of magnetic force, the heavy hammer 81 to fall under the action of gravity, driving the valve plate 51 to rotate, opening the oil discharge valve 5, and the oil discharge system to discharge oil; 2 seconds after the oil is discharged, the nitrogen injection control relay 2 is closed, the nitrogen injection electromagnetic induction starter 31 is energized, the impact hammer 312 to break the diaphragm 38 under the action of magnetic force, the nitrogen injection valve 3 is opened, the nitrogen injection system to work, and nitrogen injection to extinguish the fire.
本发明的排油注氮灭火装置的排油和注氮启动系统，可广泛应用于油浸式变压器场合使用的排油注氮灭火装置的启动。The oil draining and nitrogen injection starting system of the oil draining and nitrogen injection fire extinguishing device of the present invention can be widely applied to the starting of the oil draining and nitrogen injection fire extinguishing device used in oil-immersed transformer occasions.
Claims (9)
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