CN114446681A - Air switch safety device and air switch safety equipment - Google Patents
Air switch safety device and air switch safety equipment Download PDFInfo
- Publication number
- CN114446681A CN114446681A CN202111594740.9A CN202111594740A CN114446681A CN 114446681 A CN114446681 A CN 114446681A CN 202111594740 A CN202111594740 A CN 202111594740A CN 114446681 A CN114446681 A CN 114446681A
- Authority
- CN
- China
- Prior art keywords
- air switch
- protection
- module
- signal
- unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000002159 abnormal effect Effects 0.000 claims abstract description 42
- 238000002955 isolation Methods 0.000 claims description 33
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 13
- 230000005236 sound signal Effects 0.000 description 6
- 238000013461 design Methods 0.000 description 4
- 102100033458 26S proteasome non-ATPase regulatory subunit 4 Human genes 0.000 description 2
- 101150001079 PSMD4 gene Proteins 0.000 description 2
- 101150006293 Rpn10 gene Proteins 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 241000561734 Celosia cristata Species 0.000 description 1
- 210000001520 comb Anatomy 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/16—Indicators for switching condition, e.g. "on" or "off"
Landscapes
- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention relates to an air switch safety device and air switch safety equipment.A protection module arranged above an air switch is used for isolating the air switch so as to prevent the air switch from generating false triggering action; when the relative position of the protection module and the air switch is abnormal, the state prompt module connected with the protection module generates a prompt signal to prompt the abnormal state of the protection module, so that the on-off state of the air switch is effectively monitored, and the safety and the stability of the transformer substation equipment are further ensured.
Description
Technical Field
The invention relates to the field of transformer substation safety, in particular to an air switch safety device and air switch safety equipment.
Background
With the development of power transformation technology, the most common power transformation technology equipment at present is a substation in a power system. The air switch in the terminal box of the transformer substation is used as an important component in transformer substation equipment, so that the condition that the air switch of the terminal box of the transformer substation is switched on and off according to requirements is guaranteed, and the safety and stability of the transformer substation equipment are important.
After the power failure operation of the existing transformer substation equipment is completed, related air switches need to be disconnected for guaranteeing the working safety of a working site, but due to factors such as insufficient skill level of workers, the air switches have risks which are inconsistent with required states, such as long-term error connection or disconnection, and the like, and damage is caused to the transformer substation equipment, a power grid and a person.
Disclosure of Invention
In view of the above, it is desirable to provide an air switch safety device and an air switch safety apparatus.
In order to realize the purpose of the invention, the invention adopts the following technical scheme:
an air switch safety device comprising:
the protection module is arranged above the air switch and used for isolating the air switch so as to prevent the air switch from generating false triggering action;
and the state prompting module is connected with the protection module and used for generating a prompting signal to prompt the protection module to have abnormal state when the relative position of the protection module and the air switch is abnormal.
In one embodiment, the method further comprises the following steps:
and the control module is respectively connected with the protection module and the state prompting module and used for controlling the relative position of the protection module and the air switch to be in a preset normal range when receiving the prompting signal.
In one embodiment, the protection module comprises:
the isolation cover is arranged above the air switch, keeps a preset distance range with the air switch and is used for isolating the air switch;
and the fixing piece is respectively connected with the air switch and the isolation cover and used for fixing the air switch and the isolation cover.
In one embodiment, a prompt panel is arranged on one side of the isolation cover, which is far away from the air switch, and the prompt panel is used for prompting the safe operation information of the air switch.
In one embodiment, the fixing piece is used for connecting one end of the air switch with one end of the isolation cover and connecting the other end of the air switch with the other end of the isolation cover; wherein:
the state prompting module is further used for judging that the relative position of the protection module and the air switch is abnormal when the relative distance between one end of the air switch and one end of the corresponding isolation cover after relative movement exceeds a threshold value.
In one embodiment, the status prompting module includes:
the signal generating unit is connected with the protection module and used for generating an abnormal air switch state signal when the relative position of the protection module and the air switch is abnormal;
a presentation unit;
and the triggering unit is respectively connected with the signal generating unit and the prompting unit and is used for controlling the prompting unit to output the prompting signal when the abnormal air switch state signal is received.
In one embodiment, the status prompting module further includes:
and the on-off control unit is respectively connected with the signal generation unit, the prompt unit and the trigger unit and is used for controlling the commissioning states of the signal generation unit, the prompt unit and the trigger unit in the air switch safety device.
In one embodiment, the signal generating unit includes:
and the travel switch is connected with the protection module and used for adjusting travel displacement to generate an abnormal air switch state signal when the relative position of the protection module and the air switch is abnormal.
In one embodiment, the trigger unit includes:
the first protection subunit is connected with the signal generating unit and used for generating a first protection action according to the air switch state abnormal signal;
the second protection subunit is connected with the first protection subunit and used for generating a second protection action according to the air switch state abnormal signal;
and the third protection subunit is respectively connected with the first protection subunit and the second protection subunit, and controls the prompt unit to output the prompt signal according to the first protection action and the second protection action.
An air switch safety device comprising:
an air switch safety device as described above; and
an air switch.
The air switch safety device and the air switch safety equipment are used for isolating the air switch through the protection module arranged above the air switch so as to prevent the air switch from generating false triggering action; when the relative position of the protection module and the air switch is abnormal, the state prompt module connected with the protection module generates a prompt signal to prompt the abnormal state of the protection module, so that the on-off state of the air switch can be effectively monitored, and the safety and stability of the transformer substation equipment can be further ensured.
Drawings
FIG. 1 is a block diagram of an air switch safety device in one embodiment;
FIG. 2 is a block diagram of an air switch safety device in one embodiment;
FIG. 3 is a detailed block diagram of a protection module in one embodiment;
FIG. 4 is a front view of the detailed structure of the protection module in one embodiment;
FIG. 5 is a left side view of the detailed structure of the protection module in one embodiment;
FIG. 6 is a top view of the detailed structure of a protection module in one embodiment;
FIG. 7 is a diagram illustrating a detailed structure of a status prompt module in accordance with an embodiment;
FIG. 8 is a diagram illustrating the detailed structure of a trigger unit in one embodiment;
FIG. 9 is a diagram showing a detailed circuit configuration of a status prompt module in one embodiment;
FIG. 10 is a diagram illustrating a detailed circuit configuration of a status prompt module according to an embodiment.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1, a block diagram of an air switch safety device in one embodiment is shown. As shown in fig. 1, the air switch safety device includes a protection module 100 and a status prompt module 200.
The protection module 100 is disposed above the air switch and used for isolating the air switch to prevent the air switch from generating a false triggering action.
Optionally, the air switch is an air switch within a substation field terminal box; the protection module 100 is temporarily or permanently fixed on the air switch, maintains a relative position relationship with the air switch, and forms a protection cover body structure of a safety protection area, and is used for isolating and protecting the air switch and preventing field workers from triggering the air switch due to misoperation to cause loss of substation equipment and personal loss.
And the state prompting module 200 is connected with the protection module 100 and is used for generating a prompting signal to prompt that the state of the protection module 100 is abnormal when the relative position of the protection module 100 and the air switch is abnormal.
Optionally, the status prompting module 200 is a prompting alarm structure or circuit for prompting an open or closed status of an air switch in a substation field terminal box. Specifically, when the protection module 100 fixed on the air switch is normally turned on, that is, the relative position relationship between the protection module 100 and the air switch is maintained within the range of the safety protection area, the state prompt module 200 does not generate a prompt alarm signal; when the protection module 100 fixed on the air switch is not allowed to be removed or is abnormally removed, that is, the relative position relationship between the protection module 100 and the air switch exceeds the preset safety protection area range, the state prompt module 200 generates a prompt alarm signal, and the prompt alarm signal is used for prompting that the relative position relationship between the protection module 100 and the air switch is in an abnormal state.
In the air switch safety device in the embodiment, the protection module arranged above the air switch is used for isolating the air switch so as to prevent the air switch from generating false triggering action; when the relative position of the protection module and the air switch is abnormal, the state prompt module connected with the protection module generates a prompt signal to prompt the abnormal state of the protection module, so that the on-off state of the air switch can be effectively monitored, and the safety and stability of the transformer substation equipment can be further ensured.
Referring to fig. 2, a block diagram of an air switch safety device in one embodiment is shown. As shown in fig. 2, the air switch safety device includes a protection module 100, a status prompt module 200, and a control module 300.
The protection module 100 is disposed above the air switch and used for isolating the air switch to prevent the air switch from generating a false triggering action.
And the state prompting module 200 is connected with the protection module 100 and is used for generating a prompting signal to prompt that the state of the protection module 100 is abnormal when the relative position of the protection module 100 and the air switch is abnormal.
And the control module 300 is respectively connected with the protection module 100 and the state prompting module 200, and is used for controlling the relative position of the protection module 100 and the air switch to be within a preset normal range when receiving the prompting signal.
Optionally, the control module 300 is a control structure for performing safety protection on an open or closed state of the air switch; the preset normal range refers to a range of a relative positional relationship between the protection module 100 and the air switch when the protection module 100 is ensured to isolate the air switch to prevent the air switch from generating a false triggering action. Specifically, when the protection module 100 fixed on the air switch is not allowed to be removed or is abnormally removed, that is, the relative position relationship between the protection module 100 and the air switch exceeds the preset safety protection area range, the state prompt module 200 generates a prompt alarm signal for prompting that the relative position relationship between the protection module 100 and the air switch is in an abnormal state, and the control module 300 connected with the state prompt module 200 controls the relative position relationship between the protection module 100 and the air switch to be adjusted from the abnormal state to the preset normal range when receiving the prompt alarm signal from the state prompt module 200.
Fig. 3 is a specific structural diagram of a protection module in one embodiment. As shown in fig. 3, the protection module includes a shield 120 and a fixing member 140.
And the isolation cover 120 is arranged above the air switch and keeps a preset distance range with the air switch, and is used for isolating the air switch.
And the fixing part 140 is respectively connected with the air switch and the isolation cover 120 and is used for fixing the air switch and the isolation cover 120.
Optionally, the isolation cover 120 is disposed above the air switch in the substation field terminal box and is kept within a preset distance range from the air switch, so as to achieve an isolation protection effect on the air switch and prevent field workers from damaging substation equipment and workers due to the fact that the air switch is mistakenly closed by the field workers.
The fixing member 140 may be a fixing structure for fixing the air switch in the substation field terminal box at a specific position.
In one embodiment, a prompt panel is arranged on one side of the isolation cover, which is far away from the air switch, and the prompt panel is used for prompting safe operation information of the air switch.
Optionally, the prompt panel is a light transparent plastic, and the state of the internal air switch can be observed from the outside through the transparent plastic directly; the safety operation information is air switch safety operation guide, and can be a prompt slogan 'forbidding closing and someone working' engraved on one side of the front face of the indication panel, which is far away from the air switch.
Fig. 4 is a front view of a specific structure of the protection module in one embodiment; fig. 5 is a left side view of a specific structure of the protection module in one embodiment; fig. 6 is a top view of a specific structure of the protection module according to an embodiment.
In one embodiment, as shown in fig. 4, in order to ensure sufficient isolation between the air switch and the protection module, i.e., to completely shield the air switch from the internal area of the protection module, the front dimension of the protection module, i.e., the front dimension of the isolation cover, is designed according to the size of the air switch of the field terminal box. Optionally, the front face of the protection module is dimensioned 45mm by 45 mm.
In one embodiment, as shown in fig. 4, 5 and 6, the upper and lower ends of the protection module 100 have an extension portion toward a side close to the air switch, the extension portions are connected by a connecting rod 110, and the middle upper portion of the connecting rod 110 has a zigzag shape for connecting a fixing member 140. The upper end of the upper extension part 150 is provided with a circuit box 130 for placing a status prompt module, a contactor and the like, and optionally, the length, width and height of the circuit box 130 are designed to be 17mm by 35mm by 25 mm. According to the size of the on-site air switch and the requirement of circuit design, the extension part has the size that the upper end extension part 151 extends for 40mm and the width is 5 mm; the lower extension 152 extends 5mm and is 5mm wide.
In one embodiment, the fixing member 140 is used to connect one end of the air switch with one end of the shield case 120 and the other end of the air switch with the other end of the shield case 120; wherein: and the state prompting module is further configured to determine that the relative position of the protection module and the air switch is abnormal when the relative distance between one end of the air switch and one end of the corresponding isolation cover 120 after the relative movement exceeds a threshold value.
Optionally, the fixing member 140 is a clip for fixing the protection module 100 on the air switch, and the clip includes an upper clip 141 and a lower clip 142. In one embodiment, the upper side buckle is designed as a fixed buckle because the state prompting module, the contactor and the like are arranged above the upper side buckle; the lower clasp 142 is designed as a mobile clasp that can be adjusted to the size of the field air switch. The inner side of the lower buckle 142 is provided with a rough surface, so that the fixing is convenient. When the protection module 100 is placed on the air switch, the upper buckle 141 contacts with the upper side of the air switch, the lower buckle 142 is pressed upwards by fingers, the buckle is fixed through the zigzag connecting rod, the buckle is prevented from sliding downwards, and finally the protection cover is fixed on the air switch. Furthermore, to increase the friction of the catch, the catch is designed as a planar catch. In one embodiment, as shown in fig. 5 and 6, the upper and lower clasps 141 and 142 are sized to: 45mm 30 mm.
Attention is paid to the fact that the lower buckle is connected with the isolation cover. When the buckle moves upwards below, the isolation cover moves upwards along with the buckle. When the device is used, the upper buckle is in contact with the upper part of the air switch, upward acting force is applied to the lower part of the lower buckle, and the lower buckle moves upwards together with the isolation cover until the air switch is clamped and the travel switch in the device has a certain relative position isolation space. Through the cockscomb structure design in the connecting rod, the frictional force of increase buckle and connecting rod makes the buckle difficult not hard up, fixes air switch between last lower buckle.
The relative distance between one end of the air switch and one end of the corresponding isolation cover after relative movement exceeds a threshold value, the relative distance between the upper part of the isolation cover of the protection module and the upper part of the air switch after relative movement exceeds a preset threshold value, the relative distance between the lower part of the isolation cover of the protection module and the lower part of the air switch after relative movement exceeds a preset threshold value, and the relative distances between the upper part and the lower part of the isolation cover of the protection module and the upper part and the lower part of the air switch after relative movement all exceed the preset threshold value.
Fig. 7 is a specific structural diagram of a status prompt module in one embodiment. As shown in fig. 7, the status prompting module includes a signal generating unit 710, a prompting unit 720, and a triggering unit 730.
And the signal generating unit 710 is connected with the protection module and is used for generating an abnormal air switch state signal when the relative position of the protection module and the air switch is abnormal.
Optionally, the signal generating unit 710 is a travel switch connected to the protection module; when the relative position relation between the protection module and the air switch is in an abnormal state, the travel switch changes an open state or a closed state, and the travel displacement is adjusted to generate an abnormal signal of the air switch state.
And a prompt unit 720.
Optionally, the prompting unit 720 is connected to the signal generating unit 710, and includes a light signal prompting structure and a sound signal prompting structure.
And the triggering unit 730 is respectively connected with the signal generating unit 710 and the prompting unit 720, and is used for controlling the prompting unit to output a prompting signal when receiving the air switch state abnormal signal.
Optionally, as shown in fig. 8, the trigger unit includes a first protection unit 732, a second protection unit 734, and a third protection unit 736.
The first protection subunit 732 is connected to the signal generating unit, and configured to generate a first protection action according to the air switch state abnormal signal; the second protection subunit 734, connected to the first protection subunit 732, configured to generate a second protection action according to the air switch state abnormal signal; the third protection subunit 736 is connected to the first protection subunit 732 and the second protection subunit 734, respectively, and controls the prompt unit to output a prompt signal according to the first protection action and the second protection action.
Optionally, the first protection unit 732 is a voltage relay, and the first protection action is that voltage is generated across the voltage relay, and the voltage relay is excited to perform relay starting; the second protection unit 734 is a time relay, and the second protection action means that voltage is generated at two ends of the time relay, and the time relay is excited to carry out relay starting; the third protection unit 736 is an intermediate relay, and the third protection operation means that voltage is generated at both ends of the intermediate relay, and the intermediate relay is excited to perform relay start.
In one embodiment, in a substation site, when the protection module is not taken down normally, namely when the relative position relationship between the protection module and the air switch is abnormal, the contact pressure of the travel switch in the protection module disappears, the travel switch is displaced and reset, the travel switch is not connected into a protection circuit, voltage is generated at two ends of a voltage relay, and the voltage relay excites the voltage relay; after the voltage relay relays, voltage is also generated at two ends of the time relay, and the time relay is excited to carry out relay starting so as to control the disconnection of a node controlled by the time relay and delayed; in addition, after the voltage relay is used for relaying, voltage is also generated at two ends of the intermediate relay, and after the intermediate relay is used for exciting the relay, the node of the intermediate relay is conducted so as to control a light signal prompting structure and a sound signal prompting structure in the prompting unit to start to send out alarm prompting signals.
In one embodiment, the state prompting module comprises a signal generating unit, a prompting unit, a triggering unit and a protecting unit.
Optionally, the protection unit is a status prompting module, i.e. a connecting piece in a prompting alarm structure or circuit. When the isolation cover in the protection module is normally taken down due to the field operation requirement, an attendant or a control module places a connecting sheet above the prompting alarm structure, short-circuits the travel switch loop, adjusts the relative position relation between the isolation cover and the air switch, and at the moment, two ends of the voltage relay are short-circuited and the relay does not perform relay protection action, so that the light signal prompting structure and the sound signal prompting structure in the prompting unit cannot send out alarm prompting signals; when the isolation cover in the protection module needs to be put into use again, a person on duty or the control module takes the connecting sheet down from the upper part of the prompting alarm structure, the voltage of the voltage relay depends on the on-off of the travel switch, namely the relative position relation between the isolation cover and the air switch determines the on-off of the travel switch, and the state prompting module is formed. Optionally, a magnet structure is arranged below the protection unit and used for achieving sufficient and effective connection between the connecting sheet and the prompt alarm structure.
Fig. 9 is a specific circuit configuration diagram of the status prompt module in one embodiment. As shown in fig. 9, the prompting and alarming structure or circuit for the open or closed state of the air switch in the substation field terminal box includes a voltage relay QDJ, a first circuit breaker MCB1, a travel switch XCKG, a connecting sheet KP, a resistor R, and a voltage source U.
Wherein, voltage source U, resistance R, voltage relay QDJ, first circuit breaker MCB1 series connection constitute the return circuit, and travel switch XCKG and voltage relay QDJ parallel connection, connection piece KP and travel switch parallel connection.
Fig. 10 is a specific circuit configuration diagram of the status prompt module in one embodiment. As shown in fig. 10, the state indicating module includes a voltage relay QDJ, an intermediate relay ZJJ, a time relay SJJ, a light signal indicating structure LD, a SOUND signal indicating structure SOUND, a second circuit breaker MCB2, and a third circuit breaker MCB 3.
One end of a voltage relay QDJ switch part is connected with one end of an external input power supply, the other end of the voltage relay QDJ switch part is connected with one end of a coil part of an intermediate relay ZJJ, the other end of a coil part of an intermediate relay ZJJ is connected with one end of a time relay SJJ switch part, the other end of the time relay SJJ switch part is connected with the other end of the external input power supply, and an intermediate relay ZJJ switch part is connected with the voltage relay QDJ switch part in parallel; one end of a time relay SJJ coil part is connected with one end of an external input power supply, and the other end of the time relay SJJ coil part is connected with one end of a voltage relay QDJ; one end of the second circuit breaker MCB2, one end of the third circuit breaker MCB3 and one end of the intermediate relay ZJJ are connected in common, the other end of the second circuit breaker MCB2 is connected with one end of the light signal prompting structure LD, the other end of the third circuit breaker MCB3 is connected with one end of the SOUND signal prompting structure SOUND, and the other end of the light signal prompting structure LD, the other end of the SOUND signal prompting structure SOUND and one end of the external input power supply are connected in common.
In one embodiment, an air switch safety device includes: a safety switch safety device as in the previous embodiments; and an air switch.
The air switch in the transformer substation field terminal box mainly comprises the following air switches: 1. the control power supply air switch of the circuit breaker and the isolating switch; 2. secondary voltage air switches for protection, metering, measurement and the like in a terminal box of the voltage transformer; 3. an air switch of auxiliary power supplies such as a lighting power supply, a heating power supply and a fan power supply. After the power failure operation of the substation equipment is completed, in order to ensure the working safety of a working site, the related air switches need to be disconnected, otherwise, the equipment, the power grid and the human body may be damaged. In order to avoid the risk of false switching-on of the air switch, before the duty ticket is approved, the attendant can hang a 'switching-on forbidding' on the relevant air switch, and the attendant works! "signboard. This kind of signboard hangs on air switch through the rope, mainly has following not enough: 1. the signboard is hung on the air switch through the rope, and the signboard is easy to fall off due to the fact that the outside of the air switch is smooth; 2. the signboard is hung below the air switch, the air switch is not effectively covered, and the risk of directly operating the air switch by a worker still exists under the condition that the team management is not in place; 3. the signboard does not have and prevents taking off the device, and the not in place condition of team management, personnel probably take off the signboard that air switch hung, lead to air switch to lose the safety measure.
According to the air switch safety device provided by the embodiment, the safety switch safety device is fixed on the air switch through the buckle, so that the safety measures are prevented from falling off, and the condition that the signboard is easy to fall off is avoided; through the structural design of the protective cover body of the protective module, the air switch can be completely protected in the safety switch safety device, and the air switch is prevented from being closed by a person by mistake; through the design of the state prompt module, when other personnel abnormally operate and take down the safety switch safety device, the safety switch safety device can automatically send out an alarm prompt signal, and after the work is finished and safety measures are recovered, the safety switch safety device can be safely taken down without alarming through the installation of the connecting sheet, so that the condition that the personnel randomly change the disconnection or the connection of the safety switch safety equipment in the work is prevented; therefore, after the power failure operation of the transformer substation equipment is completed, the on-off state of the air switch is effectively monitored, namely the air switch safety equipment can effectively guarantee the safety protection of the air switch in a working site, and further the safety and stability of the transformer substation equipment are guaranteed.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent should be subject to the appended claims.
Claims (10)
1. An air switch safety device, comprising:
the protection module is arranged above the air switch and used for isolating the air switch so as to prevent the air switch from generating false triggering action;
and the state prompting module is connected with the protection module and used for generating a prompting signal to prompt the abnormal state of the protection module when the relative position of the protection module and the air switch is abnormal.
2. The air switch safety device of claim 1, further comprising:
and the control module is respectively connected with the protection module and the state prompt module and used for controlling the relative position of the protection module and the air switch to be in a preset normal range when the prompt signal is received.
3. The air switch safety device of claim 1, wherein the protection module comprises:
the isolation cover is arranged above the air switch, keeps a preset distance range with the air switch and is used for isolating the air switch;
and the fixing piece is respectively connected with the air switch and the isolation cover and used for fixing the air switch and the isolation cover.
4. The air switch safety device according to claim 3, wherein a prompt panel is arranged on one side of the isolation cover, which faces away from the air switch, and the prompt panel is used for prompting safe operation information of the air switch.
5. The air switch safety device according to claim 3, wherein the fixing member is configured to connect one end of the air switch with one end of the shield and to connect the other end of the air switch with the other end of the shield; wherein:
the state prompting module is further used for judging that the relative position of the protection module and the air switch is abnormal when the relative distance between one end of the air switch and one end of the corresponding isolation cover after relative movement exceeds a threshold value.
6. The air switch safety device of claim 1, wherein the status prompting module comprises:
the signal generating unit is connected with the protection module and used for generating an abnormal air switch state signal when the relative position of the protection module and the air switch is abnormal;
a presentation unit;
and the triggering unit is respectively connected with the signal generating unit and the prompting unit and is used for controlling the prompting unit to output the prompting signal when the abnormal air switch state signal is received.
7. The air switch safety device of claim 6, wherein the status prompting module further comprises:
and the on-off control unit is respectively connected with the signal generation unit, the prompt unit and the trigger unit and is used for controlling the commissioning states of the signal generation unit, the prompt unit and the trigger unit in the air switch safety device.
8. The air switch safety device of claim 6, wherein the signal generating unit comprises:
and the travel switch is connected with the protection module and used for adjusting travel displacement to generate an abnormal air switch state signal when the relative position of the protection module and the air switch is abnormal.
9. The air switch safety device of claim 6, wherein the trigger unit comprises:
the first protection subunit is connected with the signal generating unit and used for generating a first protection action according to the air switch state abnormal signal;
the second protection subunit is connected with the first protection subunit and is used for generating a second protection action according to the air switch state abnormal signal;
and the third protection subunit is respectively connected with the first protection subunit and the second protection subunit, and controls the prompt unit to output the prompt signal according to the first protection action and the second protection action.
10. An air switch safety device, comprising:
the air switch safety device of any one of claims 1-9; and
an air switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111594740.9A CN114446681B (en) | 2021-12-23 | 2021-12-23 | Air switch safety device and air switch safety equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111594740.9A CN114446681B (en) | 2021-12-23 | 2021-12-23 | Air switch safety device and air switch safety equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114446681A true CN114446681A (en) | 2022-05-06 |
| CN114446681B CN114446681B (en) | 2023-08-25 |
Family
ID=81363476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111594740.9A Active CN114446681B (en) | 2021-12-23 | 2021-12-23 | Air switch safety device and air switch safety equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114446681B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006014479A (en) * | 2004-06-25 | 2006-01-12 | Matsushita Electric Works Ltd | Circuit protection device |
| CN107492955A (en) * | 2017-10-18 | 2017-12-19 | 宁波公牛电器有限公司 | A kind of household safe distribution system and distribution box |
| CN108364814A (en) * | 2018-04-25 | 2018-08-03 | 广东电网有限责任公司 | The artificial malfunction device of antiaircraft air cock and the air switch with safty shield |
| CN113671300A (en) * | 2021-09-27 | 2021-11-19 | 黑龙江大学科技开发总公司 | Batch test system and test method for relay protection devices |
-
2021
- 2021-12-23 CN CN202111594740.9A patent/CN114446681B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006014479A (en) * | 2004-06-25 | 2006-01-12 | Matsushita Electric Works Ltd | Circuit protection device |
| CN107492955A (en) * | 2017-10-18 | 2017-12-19 | 宁波公牛电器有限公司 | A kind of household safe distribution system and distribution box |
| CN108364814A (en) * | 2018-04-25 | 2018-08-03 | 广东电网有限责任公司 | The artificial malfunction device of antiaircraft air cock and the air switch with safty shield |
| CN113671300A (en) * | 2021-09-27 | 2021-11-19 | 黑龙江大学科技开发总公司 | Batch test system and test method for relay protection devices |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114446681B (en) | 2023-08-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7852607B2 (en) | Protection device with lockout test | |
| US5082316A (en) | Release mechanism and method with alarm circuit | |
| HUT77614A (en) | Earth-leakage circuit breaker with automatic monitoring facility | |
| WO2000074192A1 (en) | Fail safe fault interrupter | |
| KR20100129349A (en) | Arc sensor and arc protector using the same | |
| CN114446681A (en) | Air switch safety device and air switch safety equipment | |
| KR20180096357A (en) | IoT-based Smart Distribution Panelboard Control Apparatus for Mobile Communication | |
| US20120139737A1 (en) | Photovoltaic module and combination of several photovoltaic modules | |
| KR100726823B1 (en) | Wall socket for breaking short circuit | |
| CN204945337U (en) | Electromechanical equipment localization of fault and alarm protecting apparatus | |
| KR100981762B1 (en) | Automatic Releasing Apparatus for Electric Leakage Breaker | |
| JP5268039B2 (en) | Circuit breaker | |
| CN105158688A (en) | Dynamo-electric equipment fault positioning and alarm protective device | |
| RU161347U1 (en) | SECURITY AND INFORMATION DEVICE | |
| CN204927201U (en) | Electron limit lotus automatic control | |
| CN210092862U (en) | Temperature detection device capable of automatically cutting off control loop and circuit breaker | |
| CN203434104U (en) | Air switch capable of being connected with sensor | |
| KR20030021544A (en) | State of automatic transfer switch and fault alarm apparatus and method | |
| CN209822585U (en) | Safety leakage protection switch | |
| CN105914703A (en) | Anti-thunder intelligent standby protector and protection method thereof | |
| CN110611293A (en) | Portable automatic alarm power-off protection device | |
| CN110112043B (en) | Safety leakage protection switch | |
| CN213752561U (en) | Circuit breaking protector | |
| JP2014053311A (en) | Power supply device for electromechanical appliance and the like | |
| KR100369716B1 (en) | Auto recovering no fuse breaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |