CN110873599A - Electric connection device and control system - Google Patents

Electric connection device and control system Download PDF

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Publication number
CN110873599A
CN110873599A CN201810997037.4A CN201810997037A CN110873599A CN 110873599 A CN110873599 A CN 110873599A CN 201810997037 A CN201810997037 A CN 201810997037A CN 110873599 A CN110873599 A CN 110873599A
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China
Prior art keywords
unit
starting
liquid level
trigger
state
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CN201810997037.4A
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Chinese (zh)
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CN110873599B (en
Inventor
乔会君
曹佳君
刘沁峰
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Beijing Hongtaizhi Manufacturing Workshop Operation Management Co ltd
Hongtaizhizao Qingdao Information Technology Co ltd
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Beijing Hongtai Creation Information Technology Co Ltd
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Publication of CN110873599A publication Critical patent/CN110873599A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/30Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
    • G01F23/32Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using rotatable arms or other pivotable transmission elements

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Level Indicators Using A Float (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)

Abstract

The invention relates to the technical field of automatic control, in particular to an electric connection device and an operation and control system. An electric connecting device comprises a starting device, a control device and a control device, wherein the starting device comprises a starting unit, a triggering unit and a timing unit; and the liquid level detection equipment is used for detecting the height of the liquid level and controlling the starting equipment through the liquid level detection equipment. The electric connection device and the control system at least have the following advantages: through setting up the timing unit, avoided because the start unit switch-on circuit that the surge leads to, solved the problem of frequent switching on/off, prolonged electric connection device's life.

Description

Electric connection device and control system
Technical Field
The invention relates to the technical field of automatic control, in particular to an electric connection device and an operation and control system.
Background
At present, equipment in all aspects of life, work and the like is related to the liquid level height of liquid, such as water conservancy, agriculture, flood control, drought control, industry and the like. For example, when the water level rises to a certain extent, flood discharge needs to be carried out and an alarm is given out at the same time; in dry seasons, the agricultural yield is greatly reduced due to water shortage of farmlands, and when the water level is reduced to a certain height, water needs to be discharged from a reservoir and the like in order to ensure that the farmlands have sufficient water quantity; in some equipment, the equipment is damaged due to water shortage, oil shortage and the like, so when the liquid level is reduced to a certain degree, the liquid needs to be supplemented in time, and an alarm is given.
Under the above circumstances, a contact type floating ball is usually adopted to detect and sense the water level height, and control the corresponding equipment to start so as to take corresponding measures in time. Contact float switch is various on the current market, but the principle is roughly similar, when the liquid level rose, the floater was along with rising, when the floater was close the top, the inside magnet of floater attracted with the opposite magnet of top magnetic pole, make the inside circuit of floater switch on, thereby play the switching action, the surge of liquid is not considered to this type of float switch, when the floater was located the undulant great liquid of liquid level, a bigger liquid level fluctuation just can trigger float switch, make external equipment's circuit entering operating condition, when liquid falls back, external equipment's circuit is disconnection again in the twinkling of an eye, cause the wasting of resources, frequently break-make electricity, thereby lead to shortening equipment life. Therefore, the existing float switch generally has the defects of low precision and no anti-surge function.
Disclosure of Invention
The invention mainly aims to provide an electric connecting device with a novel structure, and the technical problem to be solved is that the conventional float switch does not have the surge prevention function and is frequently powered on and powered off, so that the service life of equipment is shortened.
The purpose of the invention and the technical problem to be solved are realized by adopting the following technical scheme. According to the present invention, an electrical connection device comprises:
the starting device comprises a starting unit, a triggering unit and a timing unit;
the trigger unit is used for starting the timing unit;
the timing unit controls the starting unit to start;
the liquid level detection device is used for detecting the height of the liquid level, and when the liquid level reaches a first height, the liquid level detection device and the trigger unit are in a first position relation; when the liquid level reaches a second height, the liquid level detection device and the trigger unit are in a second position relation;
the starting device comprises a first state, a second state and a third state;
when the liquid level detection device and the trigger unit are in a first position relation, the starting device is in the first state;
when the liquid level detection device and the trigger unit are in a second position relationship, after a specified time, the liquid level detection device and the trigger unit are switched to the first position relationship, and the starting device is in the second state;
when the liquid level detection device and the trigger unit are in a second positional relationship, after a specified time, the second positional relationship is maintained between the liquid level detection device and the trigger unit, and the starting device is switched to the third state.
The object of the present invention and the technical problems solved thereby can be further achieved by the following technical measures.
Preferably, in the electrical connection device, the first state is a non-operating state of the timing unit, and the starting unit is a non-starting state;
the second state is that the timing unit is switched from a working state to a non-working state, and the starting unit is in a non-starting state;
the third state is that the timing unit is in a working state, and the starting unit is in a starting state.
Preferably, the electrical connection device further comprises a casing, the starting unit and the timing unit are arranged inside the casing, the trigger unit is telescopically arranged on a side wall of the casing, and one end of the trigger unit protrudes to the outside of the side wall.
Preferably, the electrical connection device further comprises,
the starting equipment is fixed on the bottom plate;
the liquid level detection device is rotatably connected with the bottom plate through a support.
Preferably, the electrical connection device further comprises a second connecting unit, wherein the second connecting unit is connected with the second end of the bracket, and the second connecting unit is connected with the second end of the bracket.
Preferably, in the electrical connection device, the triggering member is a U-shaped frame having two vertical rods connected to two ends of a cross beam, the two vertical rods are rotatably connected to the support, two ends of the U-shaped frame are connected to the floating member, and the cross beam is provided with a triggering portion corresponding to the triggering unit.
Preferably, in the electrical connection device, the first positional relationship is a positional relationship in which the trigger part and the trigger unit are separated from each other, and the second positional relationship is a positional relationship in which the trigger part and the trigger unit are in contact with each other.
Preferably, in the electrical connection device, a fixing structure is provided on the bottom plate, and is used for fixing the starting device to an external device.
The object of the present invention and the technical problem to be solved are also achieved by the following technical means. The invention provides a control system, comprising,
the above-mentioned electrical connection device;
and the control device is electrically connected with the starting unit.
The object of the present invention and the technical problems solved thereby can be further achieved by the following technical measures.
Preferably, the electrical connection device of the preceding paragraph, wherein the operating device comprises an alarm device.
By the technical scheme, the electric connecting device and the control system at least have the following advantages:
through setting up the timing unit, avoided because the start unit switch-on circuit that the surge leads to, solved the problem of frequent switching on/off, prolonged electric connection device's life.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
Fig. 1 is a perspective view of an electrical connection device according to an embodiment of the present invention;
fig. 2 is a perspective view of an actuating apparatus according to an embodiment of the present invention;
fig. 3 is a perspective view of a trigger according to an embodiment of the present invention.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the electrical connection device and the operation system according to the present invention, with reference to the accompanying drawings and preferred embodiments, will be made to the following detailed descriptions. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
As shown in fig. 1, an electrical connection device according to an embodiment of the present invention includes a starting apparatus 1, as shown in fig. 2, including a starting unit (not shown), a triggering unit 11 and a timing unit (not shown); the trigger unit 11 is used for starting the timing unit; the timing unit controls the starting unit to start; the liquid level detection device 2 is used for detecting the height of a liquid level, and when the liquid level reaches a first height, the liquid level detection device 2 and the trigger unit 11 are in a first position relation; when the liquid level reaches a second height, the liquid level detection device 2 and the trigger unit 11 are in a second positional relationship; the starting device 1 comprises a first state, a second state and a third state; when the liquid level detection device 2 and the trigger unit 11 are in a first position relationship, the starting device 1 is in the first state; when the liquid level detection device 2 and the trigger unit 11 are in a second positional relationship, after a specified time, the liquid level detection device 2 and the trigger unit 11 are switched to the first positional relationship, and the starting device 1 is in the second state; when the liquid level detection device 2 and the trigger unit 11 are in the second positional relationship, after a predetermined time, the liquid level detection device 2 and the trigger unit 11 maintain the second positional relationship, and the starting device 1 is switched to the third state.
Through setting up the timing unit, avoided because the start unit switch-on circuit that the surge leads to, solved the problem of frequent switching on/off, prolonged electric connection device's life.
Specifically, the working state of stopping and starting the timing unit through the trigger unit is realized through the mutual separation and interaction switching of the liquid level detection device and the trigger unit, so that the starting time of the starting unit is delayed through the timing unit. After the time delay of the designated time, the circuit of the starting unit is communicated. In the present embodiment, in order to prevent the start-up of the start-up unit due to the surge, the specified time is set to 0.1s to 1s, preferably 0.5s, because the time for specifying a single surge is generally about 50ms after a long period of study and trial and error. Namely, when the surge occurs, the triggering unit is triggered through the liquid level detection device, so that the timing unit is started, after 0.5s, the time of the surge is exceeded, the liquid level falls back, the timing unit is switched to a non-working state, the starting unit is not started, and the starting of the starting unit caused by the surge instead of the rise of the liquid level is avoided.
In this embodiment, the first state is that the timing unit is in a non-operating state, and the starting unit is in a non-starting state; the second state is that the timing unit is switched from a working state to a non-working state, and the starting unit is in a non-starting state; the third state is that the timing unit is in a working state, and the starting unit is in a starting state.
Specifically, the first state is: when the liquid level detection device and the trigger unit are in a first position relation, the trigger unit does not start the timing unit, so that the timing unit does not cause the start of the start unit; the second state is: when the liquid level detection device and the trigger unit are in the second position relation, the trigger unit starts a timing unit, and within a specified time, namely 0.5s, if the liquid level detection device and the trigger unit are switched to the first position relation, the liquid level detection device is disconnected from the timing unit, and the timing unit is switched to a non-working state, so that the east start unit is not started; the third state is: when the liquid level detection device and the trigger unit are in the second position relation, the trigger unit starts a timing unit, and after a specified time, namely 0.5s, if the liquid level detection device and the trigger unit still keep the second position relation, the timing unit starts the starting unit.
Preferably, as shown in fig. 2, the starting apparatus 1 further includes a housing 12, the starting unit and the timing unit are disposed inside the housing 12, the triggering unit 11 is telescopically disposed on a side wall of the housing 12, and one end of the triggering unit 11 protrudes to the outside of the side wall.
The starting equipment is provided with the housing, so that all parts can be better protected, and the fixation of all parts is facilitated.
Preferably, as shown in fig. 1 and 2, the electrical connection device further comprises a bottom plate 13, and the starting apparatus 1 is fixed on the bottom plate 13; the liquid level detection device 2 is rotatably connected to the base plate 13 by a bracket 14.
By fixing the starting apparatus on the base plate, the starting apparatus can be made more stable. Meanwhile, the detection equipment is connected with the bottom plate through the support, so that the liquid level detection equipment and the trigger unit can be triggered accurately. Meanwhile, in order to realize that the liquid level detection equipment can be switched between a triggering state and a non-triggering state of the triggering unit along with the change of the liquid level, the liquid level detection equipment is rotatably connected with the bracket. The connection mode can adopt the existing simple rotatable connection mode, such as a pin shaft connection mode.
Preferably, as shown in fig. 1 and 2, the liquid level detection device 2 comprises a float 21 and a trigger 22, the float 21 is placed on the liquid level, the trigger 22 is rotatably connected with the bracket 14 and comprises a first end and a second opposite end, the first end is connected with the float 21, and the second end has the first positional relationship and the second positional relationship with the trigger unit 11.
In this embodiment, the cursory piece among the liquid level detection equipment is used for detecting the liquid level, promptly, floats from top to bottom along with the change of the height of liquid level to drive whole liquid level detection equipment and rotate around the support. As shown in fig. 1, the first end of the trigger is connected to the float, the second end is provided as a trigger, the trigger corresponds to the trigger unit of the starting device, and the trigger unit are switched between the first position and the second position along with the rotation of the trigger.
Preferably, as shown in fig. 1, 2 and 3, the triggering member 22 is a U-shaped frame 221 having a cross beam with two vertical rods connected to two ends thereof, the two vertical rods are rotatably connected to the support 14, two ends of the U-shaped frame 221 opposite to the cross beam are connected to the float 21, and the cross beam is provided with a triggering portion 222 corresponding to the triggering unit 11.
As described above, the float is connected to one end of the trigger, and the trigger is provided at the other end. The trigger piece can adopt a straight rod, and the buoy piece can be in any form as long as the buoy piece can float on the liquid level. In the preferred embodiment, a floating ball as shown in fig. 1 is preferably used as the float. In order to facilitate connection with the bracket, the triggering member is preferably made into a U-shaped structure, and a protrusion is provided on the beam portion as a triggering portion corresponding to the triggering unit. The floating ball and the U-shaped frame can be fixedly connected through a shaft and can also be rotatably connected through the shaft and the U-shaped frame.
Preferably, the first positional relationship is a positional relationship in which the trigger 222 and the trigger unit 11 are separated, and the second positional relationship is a positional relationship in which the trigger 222 and the trigger unit 11 are in contact.
The first position relation in the embodiment is used for the liquid level detection device not to start the timing unit, the second position relation is used for the liquid level detection device to start the timing unit, the two position relations have a plurality of modes, for example, the triggering part and the triggering unit are in contact and non-contact, the triggering part and the triggering unit are in a magnetic mode, and the like, and the structure is simple through the contact and non-contact position relation, the installation and the operation are convenient, and the cost is low.
In the embodiment of the positional relationship between the contact and the non-contact, the time counting means can be started regardless of whether the trigger part and the trigger means are in contact or not. The method is widely applied, for example, when flood prevention and waterlogging resistance are carried out, the water level is prevented from exceeding a warning line and the like.
On the contrary, the timing unit may not be started when in contact, for example, the contact of the timing unit is arranged between the inner side wall of the housing and one end of the trigger unit in the housing, and when the trigger part contacts the trigger unit, the trigger unit is pushed to be away from the contact of the timing unit; and the trigger unit is connected between one end positioned in the housing and the inner side wall of the housing through a tension spring, and when the trigger part is separated from the trigger unit, the trigger unit is contacted with a contact of the timing unit under the action of the tension spring, so that the timing unit is started. This situation can be used when the liquid level is lowered, and in order to ensure that the liquid is sufficient, the activating device is activated and thus filled with liquid. For example, the device can be applied to prevent the phenomenon that certain equipment is overheated when running in the absence of liquid.
Preferably, as shown in fig. 2, a fixing structure is provided on the bottom plate 13 for fixing the starting apparatus 1 to an external apparatus.
In order to make the starting device operate stably, a fixing structure is preferably provided on the base plate so that the starting device can be fixed with an external device. For example, the floor is secured to the side walls of the raceway. The fixing structure is preferably a through hole, and is fixed by a bolt or the like.
Another embodiment of the present invention provides a control system, which includes the above electrical connection device and a control device electrically connected to the starting unit.
The electric connecting device is connected with various control equipment, and can carry out various operations and controls when the liquid level rises or falls. For example, the control device may be a control mechanism for controlling a sluice of a dam, a control mechanism for controlling the start of a water pump, a control mechanism for controlling the opening and closing of a liquid valve, or the like.
Preferably, the control device comprises an alarm device.
The control device can be an alarm device besides the above, so as to remind the operator. An alarm device may also be included to alert the operator while the automatic control is being performed. The function of alarming according to actual needs can be realized when the liquid level reaches a certain height. The alarm device may be any known device such as an audible alarm, a voice alarm device, an alarm lamp, etc.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention are still within the scope of the technical solution of the present invention.

Claims (10)

1. An electrical connection device, comprising:
the starting device comprises a starting unit, a triggering unit and a timing unit;
the trigger unit is used for starting the timing unit;
the timing unit controls the starting unit to start;
the liquid level detection device is used for detecting the height of the liquid level, and when the liquid level reaches a first height, the liquid level detection device and the trigger unit are in a first position relation; when the liquid level reaches a second height, the liquid level detection device and the trigger unit are in a second position relation;
the starting device comprises a first state, a second state and a third state;
when the liquid level detection device and the trigger unit are in a first position relation, the starting device is in the first state;
when the liquid level detection device and the trigger unit are in a second position relationship, after a specified time, the liquid level detection device and the trigger unit are switched to the first position relationship, and the starting device is in the second state;
when the liquid level detection device and the trigger unit are in a second positional relationship, after a specified time, the second positional relationship is maintained between the liquid level detection device and the trigger unit, and the starting device is switched to the third state.
2. The electrical connection device of claim 1,
the first state is that the timing unit is in a non-working state, and the starting unit is in a non-starting state;
the second state is that the timing unit is switched from a working state to a non-working state, and the starting unit is in a non-starting state;
the third state is that the timing unit is in a working state, and the starting unit is in a starting state.
3. The electrical connection device of claim 2,
the starting device further comprises a housing, the starting unit and the timing unit are arranged inside the housing, the trigger unit is telescopically arranged on a side wall of the housing, and one end of the trigger unit protrudes to the outer side of the side wall.
4. Electrical connection device according to claim 3,
also comprises the following steps of (1) preparing,
the starting equipment is fixed on the bottom plate;
the liquid level detection device is rotatably connected with the bottom plate through a support.
5. Electrical connection device according to claim 4,
the liquid level detection equipment comprises a floating part and a trigger part, wherein the floating part is placed on the liquid level, the trigger part is rotatably connected with the support and comprises a first end and a second end, the first end is connected with the floating part, and the second end is provided with the trigger unit and has the first position relation and the second position relation.
6. Electrical connection device according to claim 5,
the trigger piece is the U type frame that the both ends of crossbeam are connected with two pole settings, two pole settings with the support is rotationally connected, the U type frame with the both ends that the crossbeam is relative are connected the cursory piece, be equipped with on the crossbeam with trigger unit corresponds triggers the portion.
7. The electrical connection device of claim 6,
the first position relationship is a position relationship that the trigger part and the trigger unit are separated, and the second position relationship is a position relationship that the trigger part and the trigger unit are in contact.
8. Electrical connection device according to claim 4,
and the bottom plate is provided with a fixing structure for fixing the starting equipment to external equipment.
9. A steering system, comprising,
an electrical connection device as claimed in any one of claims 1 to 8;
and the control device is electrically connected with the starting unit.
10. The fluid level control system of claim 9,
the operating device comprises an alarm device.
CN201810997037.4A 2018-08-29 2018-08-29 Electric connection device and control system Expired - Fee Related CN110873599B (en)

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Application Number Priority Date Filing Date Title
CN201810997037.4A CN110873599B (en) 2018-08-29 2018-08-29 Electric connection device and control system

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Application Number Priority Date Filing Date Title
CN201810997037.4A CN110873599B (en) 2018-08-29 2018-08-29 Electric connection device and control system

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CN110873599B CN110873599B (en) 2021-04-09

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115014297A (en) * 2022-04-08 2022-09-06 浙江省水利河口研究院(浙江省海洋规划设计研究院) Pressure type water level elevation auxiliary observation device and use method

Citations (5)

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Publication number Priority date Publication date Assignee Title
CN102338656A (en) * 2011-06-21 2012-02-01 李言达 Device for measuring height of water level and giving early warning about height of water level
CN203858014U (en) * 2014-05-23 2014-10-01 国家电网公司 Fluctuation-preventive stabilizing device for oil-level indicator of oil basin of energy-storage unit
CN105339767A (en) * 2013-12-16 2016-02-17 贝科技术有限公司 Method for monitoring the filling level in a collection chamber, and monitoring arrangement
CN205373793U (en) * 2015-12-31 2016-07-06 中国石油天然气股份有限公司 Device during separator oil meter
US9829370B2 (en) * 2015-04-27 2017-11-28 Ford Global Technologies, Llc Methods and systems for fuel level indicators in a saddle fuel tank

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102338656A (en) * 2011-06-21 2012-02-01 李言达 Device for measuring height of water level and giving early warning about height of water level
CN105339767A (en) * 2013-12-16 2016-02-17 贝科技术有限公司 Method for monitoring the filling level in a collection chamber, and monitoring arrangement
CN203858014U (en) * 2014-05-23 2014-10-01 国家电网公司 Fluctuation-preventive stabilizing device for oil-level indicator of oil basin of energy-storage unit
US9829370B2 (en) * 2015-04-27 2017-11-28 Ford Global Technologies, Llc Methods and systems for fuel level indicators in a saddle fuel tank
CN205373793U (en) * 2015-12-31 2016-07-06 中国石油天然气股份有限公司 Device during separator oil meter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115014297A (en) * 2022-04-08 2022-09-06 浙江省水利河口研究院(浙江省海洋规划设计研究院) Pressure type water level elevation auxiliary observation device and use method
CN115014297B (en) * 2022-04-08 2023-09-22 浙江省水利河口研究院(浙江省海洋规划设计研究院) Pressure type water level elevation auxiliary observation device and use method

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Granted publication date: 20210409