CN105301484A - Passive contact testing device - Google Patents
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Abstract
本发明涉及数据采集系统信号测量技术领域,公开了一种无源触点测试装置,包括:电源、显示单元、开关及电压采集器;所述电源、显示单元、开关和无源触点顺序串联连接形成闭合电路,所述显示单元包括指示灯,所述采集器与无源触点的两端连接,用于检测无缘触点的电压,无源触点动作时电路导通所述指示灯亮,无源触点无动作时电路断开所述指示灯灭。本发明提供的无源触点测试装置对无源触点提供电源和闭合回路,根据电压值判断无源触点是否动作。本发明提供的便于人员操作、加工工艺简单、安装快捷、投资费用少。
The present invention relates to the technical field of data acquisition system signal measurement, and discloses a passive contact test device, comprising: a power supply, a display unit, a switch and a voltage collector; the power supply, display unit, switch and passive contact are connected in sequence connected to form a closed circuit, the display unit includes an indicator light, the collector is connected to both ends of the passive contact, and is used to detect the voltage of the passive contact, when the passive contact acts, the circuit is turned on, and the indicator light is on. When the passive contact has no action, the circuit is disconnected and the indicator light is off. The passive contact test device provided by the invention provides power and a closed circuit for the passive contact, and judges whether the passive contact operates according to the voltage value. The invention provides convenient personnel operation, simple processing technology, fast installation and low investment cost.
Description
技术领域 technical field
本发明涉及数据采集系统信号测量技术领域,尤其涉及一种无源触点测试装置,具体的是一种能够测试无源触点是否动作的无源触点测试装置。 The present invention relates to the technical field of data acquisition system signal measurement, in particular to a passive contact test device, in particular to a passive contact test device capable of testing whether a passive contact operates.
背景技术 Background technique
随着电网容量的增大和运行参数的提高,对电网的设计规划、运行管理的分析计算提出了更高更严的要求,具有准确可信的电网元件模型和参数则是基础。 With the increase of power grid capacity and the improvement of operating parameters, higher and stricter requirements are put forward for the analysis and calculation of power grid design planning and operation management. Accurate and reliable power grid component models and parameters are the basis.
发电机组调速系统试验是一项重要的常规试验工作,发电机组调速系统的稳定可靠,对机组的安全尤为重要。可应用于调节系统参数测试,甩负荷试验,阀门关闭时间测试。在试验过程中,测点安装稳定性、安全性及精确性是试验的关键因素。 The test of the speed control system of the generator set is an important routine test work. The stability and reliability of the speed control system of the generator set is particularly important to the safety of the unit. It can be applied to the parameter test of the regulating system, the load rejection test, and the valve closing time test. During the test, the stability, safety and accuracy of the measuring point installation are the key factors of the test.
对汽轮机及调速系统进行参数辩识,对机组本身而言可以充分了解其性能,并对其完善提供依据,确保机组的安全稳定运行;通过测试得出的工程实用化的模型参数,可为电力系统的稳定性仿真分析提供真实可靠的数据;可以用来建立电力系统数据库调节系统的动、静特性试验数据,进行汽轮机及调速系统故障诊断,防止事故发生。 The parameter identification of the steam turbine and the speed control system can fully understand its performance for the unit itself, and provide a basis for its improvement to ensure the safe and stable operation of the unit; the engineering practical model parameters obtained through the test can be used for The stability simulation analysis of the power system provides real and reliable data; it can be used to establish the dynamic and static characteristic test data of the power system database regulation system, carry out fault diagnosis of steam turbine and speed control system, and prevent accidents.
目前,尚没有测试装置能够测量发动机中继电器的无源触点动作与否,但是由于需要电力系统数据库调节系统的动、静特性试验数据,需要测试无源触点是否动作。 At present, there is no test device that can measure whether the passive contact of the relay in the engine operates or not. However, due to the need for dynamic and static characteristic test data of the power system database adjustment system, it is necessary to test whether the passive contact operates.
鉴于上述现有技术的缺陷,需要提供能够测试无源触点是否动作的测试装置。 In view of the above-mentioned defects in the prior art, it is necessary to provide a testing device capable of testing whether the passive contact is in action.
发明内容 Contents of the invention
(一)要解决的技术问题 (1) Technical problems to be solved
本发明要解决的技术问题是由于需要电力系统数据库调节系统的动、静特性试验数据,需要测试无源触点是否动作,目前尚没有测试装置能够测量发动机中继电器的无源触点动作与否的问题。 The technical problem to be solved by the present invention is that due to the need for the dynamic and static characteristic test data of the power system database adjustment system, it is necessary to test whether the passive contact operates. At present, there is no testing device that can measure whether the passive contact of the relay in the engine operates or not. The problem.
(二)技术方案 (2) Technical solution
为了解决上述技术问题,本发明提供了一种无源触点测试装置,包括:电源、显示单元、开关及电压采集器;所述电源、显示单元、开关和无源触点顺序串联连接形成闭合电路,所述显示单元包括指示灯,所述采集器与无源触点的两端连接,用于检测无缘触点的电压,无源触点动作时电路导通所述指示灯亮,无源触点无动作时电路断开所述指示灯灭。 In order to solve the above technical problems, the present invention provides a passive contact testing device, comprising: a power supply, a display unit, a switch and a voltage collector; the power supply, display unit, switch and passive contacts are sequentially connected in series to form a closed circuit, the display unit includes an indicator light, and the collector is connected to both ends of the passive contact to detect the voltage of the passive contact. When the point has no action, the circuit is disconnected and the indicator light is off.
其中,所述显示单元还包括控制器及传感器,所述传感器分别与所述指示灯及所述控制器连接,用于将所述指示灯亮或指示灯灭的信号传送至所述控制器。 Wherein, the display unit further includes a controller and a sensor, and the sensor is connected to the indicator light and the controller respectively, and is used to transmit the signal of the indicator light being on or off to the controller.
其中,所述控制器与所述开关连接,所述控制器能够控制所述开关打开或闭合。 Wherein, the controller is connected with the switch, and the controller can control the switch to be opened or closed.
其中,所述控制器与所述采集器连接,所述控制器用于控制所述采集器开启或关闭。 Wherein, the controller is connected with the collector, and the controller is used to control the collector to be turned on or off.
其中,所述指示灯为LED灯。 Wherein, the indicator light is an LED light.
其中,所述采集器为电压表。 Wherein, the collector is a voltmeter.
其中,所述电源为电池。 Wherein, the power source is a battery.
(三)有益效果 (3) Beneficial effects
本发明的上述技术方案具有如下优点:本发明提供的无源触点测试装置中电源、显示单元及开关依次与无源触点串联,显示单元包括指示灯,采集器设置于无源触点的两端,用于检测无缘触点的电压,无源触点动作时电路导通指示灯亮,无源触点无动作时电路断开指示灯灭。无源触点测试装置对无源触点提供电源和闭合回路,根据电压值判断无源触点是否动作。本发明提供的便于人员操作、加工工艺简单、安装快捷、投资费用少。 The technical scheme of the present invention has the following advantages: in the passive contact testing device provided by the present invention, the power supply, the display unit and the switch are connected in series with the passive contact successively, the display unit includes an indicator light, and the collector is arranged on the passive contact. Both ends are used to detect the voltage of the passive contact, the circuit conduction indicator is on when the passive contact is in motion, and the circuit disconnection indicator is off when the passive contact is inactive. The passive contact test device provides power and closed circuit to the passive contact, and judges whether the passive contact operates according to the voltage value. The invention provides convenient personnel operation, simple processing technology, fast installation and low investment cost.
附图说明 Description of drawings
图1是本发明实施例无源触点测试装置的结构示意图。 Fig. 1 is a schematic structural diagram of a passive contact testing device according to an embodiment of the present invention.
图中:1:电池;2:接线柱;3:无源触点;4:底座;5:LED灯;6:开关。 In the figure: 1: battery; 2: terminal; 3: passive contact; 4: base; 5: LED light; 6: switch.
具体实施方式 detailed description
在本发明的描述中,除非另有说明,“多个”的含义是两个或两个以上。术语“内”、“上”、“下”等指示的方位或位置关系为基于附图所示的方位或位置关系,仅是为了便于描述本发明和简化描述,而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本发明的限制。 In the description of the present invention, unless otherwise specified, "plurality" means two or more. The orientation or positional relationship indicated by the terms "inner", "upper", "lower" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the No device or element must have a specific orientation, be constructed, and operate in a specific orientation and therefore should not be construed as limiting the invention.
在本发明的描述中,需要说明的是,除非另有明确的规定和限定,术语“安装”、“连接”应做广义理解,例如,可以是固定连接,也可以是可拆卸连接,或一体地连接;可以是机械连接,也可以是电连接;可以是直接相连,也可以通过中间媒介间接相连。对于本领域的普通技术人员而言,可以具体情况理解上述术语在本发明中的具体含义。 In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral Ground connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.
下面结合附图和实施例对本发明的具体实施方式作进一步详细描述。以下实施例用于说明本发明,但不用来限制本发明的范围。 The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
如图1所示,本发明提供的无源触点测试装置,包括:电源、显示单元、开关6及电压采集器;电源可以是外接交流电或电池,电池方便携带,也可以采用太阳能电池,采用太阳能电池可以吸收太阳光线产生电,不用经常更换电池,方便且环保。电源、显示单元、开关6和无源触点3顺序串联连接形成闭合电路,电源、显示单元及开关6通过接线柱2依次与无源触点3串联。无源触点3为隔离和不同控制回路中传递和控制信号的触点,无源触点3动作后电路为连通状态,无源触点3不动作时电路为断开状态。显示单元为指示灯或者电子屏、喇叭等,本发明中的显示单元包括指示灯,采集器设置于无源触点3的两端,采集器与无源触点3的两端连接,控制器的信号采集线钳连接在无源触点3的两侧,采集器就能才到电压变化信号,采集器也可以为电压表,用于检测无缘触点3的电压。无源触点3动作时,无源触点3与固定点连通,无缘触点3动作后电路相当于导线,电路导通指示灯亮,用采集器测量无缘触点3的电压,电压值为零。无源触点3无动作时,无缘触点3与固定点没连通,电路相当于断开,电路断开指示灯灭,用采集器测量无缘触点3的电压,电压为电池1的电压值。本实施例提供的装置可以测试无源触点能否动作,通过测试得出的工程实用化的模型参数,可为电力系统的稳定性仿真分析提供真实可靠的数据,可以用来建立电力系统数据库调节系统的动、静特性试验数据,进行汽轮机及调速系统故障诊断,防止事故发生。 As shown in Figure 1, the passive contact testing device provided by the present invention includes: a power supply, a display unit, a switch 6 and a voltage collector; Solar cells can absorb sunlight to generate electricity, so there is no need to replace batteries frequently, which is convenient and environmentally friendly. The power supply, display unit, switch 6 and passive contact 3 are sequentially connected in series to form a closed circuit, and the power supply, display unit and switch 6 are sequentially connected in series with the passive contact 3 through the terminal 2 . The passive contact 3 is a contact for isolating and transmitting and controlling signals in different control circuits. After the passive contact 3 acts, the circuit is in a connected state, and when the passive contact 3 does not act, the circuit is in a disconnected state. The display unit is an indicator light or an electronic screen, a loudspeaker, etc. The display unit in the present invention includes an indicator light, and the collector is arranged at the two ends of the passive contact 3, and the collector is connected with the two ends of the passive contact 3, and the controller The signal acquisition line clamp is connected to both sides of the passive contact 3, the collector can only get the voltage change signal, and the collector can also be a voltmeter, which is used to detect the voltage of the passive contact 3. When the passive contact 3 operates, the passive contact 3 is connected to the fixed point. After the passive contact 3 operates, the circuit is equivalent to a wire. . When the passive contact 3 is inactive, the passive contact 3 is not connected to the fixed point, the circuit is equivalent to being disconnected, and the indicator light is off when the circuit is disconnected. Use the collector to measure the voltage of the passive contact 3, and the voltage is the voltage value of the battery 1 . The device provided in this embodiment can test whether the passive contact can operate, and the engineering practical model parameters obtained through the test can provide real and reliable data for the stability simulation analysis of the power system, and can be used to establish a power system database Adjust the dynamic and static characteristics test data of the system, and diagnose the faults of the steam turbine and the speed control system to prevent accidents.
显示单元还包括控制器及传感器,控制器为PLC控制器,设置PLC控制器更加智能化,简便化。传感器分别与指示灯及控制器连接,用于将指示灯亮或灭的信号传送至控制器。控制器与开关连接,控制器能够控制开关打开或闭合。指示灯亮无源触点动作,电路连通,控制器将开关闭合,下一次继续测试。控制器与采集器连接,用于控制采集器开启或关闭。指示灯为LED5,可以更加节省能源。 The display unit also includes a controller and a sensor, the controller is a PLC controller, and setting the PLC controller is more intelligent and simple. The sensor is respectively connected with the indicator light and the controller, and is used to transmit the signal of the indicator light being on or off to the controller. The controller is connected with the switch, and the controller can control the switch to open or close. The indicator light is on, the passive contact acts, the circuit is connected, the controller closes the switch, and the test will continue next time. The controller is connected with the collector and is used to control the collector to be turned on or off. The indicator light is LED5, which can save more energy.
本发明提供的无源触点测试装置对无源触点3提供电源和闭合回路,无源触点3动作时,闭合回路接通显示单元亮,测量无源触点3时电压为零;无源触点3没动作时,与继电器另一个触点没连接,整个闭合回路断开,显示单元灭,测量无源触点3时电压为电源的电压值,根据电压值判断无源触点3是否动作,并且设置控制器更加自动化,便于人员操作。本发明加工工艺简单、安装快捷、投资费用少。 The passive contact test device provided by the present invention provides power and a closed circuit to the passive contact 3. When the passive contact 3 is in action, the closed circuit is turned on and the display unit is bright, and the voltage is zero when the passive contact 3 is measured; When the source contact 3 is not in action, it is not connected to the other contact of the relay, the entire closed circuit is disconnected, the display unit is off, the voltage when measuring the passive contact 3 is the voltage value of the power supply, and the passive contact 3 is judged according to the voltage value Whether it is active or not, and the setting of the controller is more automatic, which is convenient for personnel to operate. The invention has the advantages of simple processing technology, fast installation and low investment cost.
本实施例还提供无源触点的测试方法,应用如上所述的无源触点测试装置,具体步骤如下: This embodiment also provides a test method for passive contacts, using the above-mentioned passive contact test device, the specific steps are as follows:
S1、关闭开关6,LED灯5亮,测量无源触点3电压值为零时,无源触点3动作与继电器另一触点接通; S1. Turn off the switch 6, the LED light 5 is on, and when the voltage value of the passive contact 3 is measured to be zero, the passive contact 3 acts and connects with the other contact of the relay;
S2、LED灯5灭,测量无源触点3电压值为电池1的电压值时,无源触点3无动作,没有与继电器另一触点接通。 S2. The LED light 5 is off, and when the measured voltage value of the passive contact 3 is the voltage value of the battery 1, the passive contact 3 has no action and is not connected to the other contact of the relay.
本发明提供的无源触点测试装置使用时,对无源触点3提供电池1及LED灯5,无源触点3动作时,闭合回路接通LED灯5亮,测量无源触点3时电压值为零;无源触点3没动作时,与继电器另一个触点没连接,整个闭合回路断开,LED灯5灭,测量无源触点3时电压为电源的电压值,根据电压值判断无源触点3是否动作,并且设置控制器及传感器使整个装置更加自动化,从而控制采集器及开关是否导通。 When the passive contact testing device provided by the present invention is in use, a battery 1 and an LED light 5 are provided to the passive contact 3. When the passive contact 3 operates, the closed loop is connected to the LED light 5 to light up, and the passive contact 3 is measured. When the passive contact 3 is not in action, it is not connected to the other contact of the relay, the entire closed circuit is disconnected, and the LED light 5 is off. The voltage when the passive contact 3 is measured is the voltage value of the power supply, according to The voltage value judges whether the passive contact 3 is active, and the controller and sensor are set to make the whole device more automatic, so as to control whether the collector and the switch are turned on.
本发明提供的无源触点测试装置具有以下优点,本发明提供的无源触点测试装置中电源、显示单元及开关依次与无源触点串联,显示单元包括指示灯,采集器设置于无源触点的两端,用于检测无缘触点的电压,无源触点动作时电路导通指示灯亮,无源触点无动作时电路断开指示灯灭。无源触点测试装置对无源触点提供电源和闭合回路,根据电压值判断无源触点是否动作。本发明提供的便于人员操作、加工工艺简单、安装快捷、投资费用少。 The passive contact testing device provided by the present invention has the following advantages. In the passive contact testing device provided by the present invention, the power supply, the display unit and the switch are connected in series with the passive contact successively. The two ends of the source contact are used to detect the voltage of the passive contact, the circuit conduction indicator light is on when the passive contact acts, and the circuit disconnection indicator light is off when the passive contact does not act. The passive contact test device provides power and closed circuit to the passive contact, and judges whether the passive contact operates according to the voltage value. The invention provides convenient personnel operation, simple processing technology, fast installation and low investment cost.
以上实施例仅用以说明本发明的技术方案,而非对其限制;尽管参照前述实施例对本发明进行了详细的说明,本领域的普通技术人员应当理解:其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分技术特征进行等同替换;而这些修改或者替换,并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。 The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still be described in the foregoing embodiments Modifications are made to the recorded technical solutions, or equivalent replacements are made to some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.
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| CN108226773A (en) * | 2018-03-28 | 2018-06-29 | 上海磁浮交通发展有限公司 | The portable tester and test method of pantagraph current collector and its controller solenoid valve |
| CN111220875A (en) * | 2020-03-09 | 2020-06-02 | 中国大唐集团科学技术研究院有限公司华东电力试验研究院 | A static simulation load rejection test integrated test system and test method |
| CN113567502A (en) * | 2021-03-30 | 2021-10-29 | 安海机电科技(苏州)有限公司 | Moisture detection in electronic switching circuits |
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| CN111220875A (en) * | 2020-03-09 | 2020-06-02 | 中国大唐集团科学技术研究院有限公司华东电力试验研究院 | A static simulation load rejection test integrated test system and test method |
| CN113567502A (en) * | 2021-03-30 | 2021-10-29 | 安海机电科技(苏州)有限公司 | Moisture detection in electronic switching circuits |
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Application publication date: 20160203 |