CN111585179A - Protection against electric shock safety backplate subassembly - Google Patents
Protection against electric shock safety backplate subassembly Download PDFInfo
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- CN111585179A CN111585179A CN201910116004.9A CN201910116004A CN111585179A CN 111585179 A CN111585179 A CN 111585179A CN 201910116004 A CN201910116004 A CN 201910116004A CN 111585179 A CN111585179 A CN 111585179A
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- Prior art keywords
- safety
- air switch
- protection
- power supply
- control cabinet
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
Abstract
The invention belongs to the technical field of air switches, and particularly relates to an electric shock prevention safety guard plate assembly. Including the switch board body, control cabinet door, air switch, power supply unit spare and set up in the internal safety protection plate of switch board, air switch sets up between safety protection plate and the control cabinet door, and is connected with the power supply unit spare electricity, is equipped with the protection part that is located air switch and power supply unit spare's electricity connecting portion top on the safety protection plate, and protection part is used for preventing this electricity connecting portion of staff touching. The protection part is a plate-shaped structure horizontally arranged at the top of the safety guard plate, and a plurality of safety guard plate safety grooves for inserting the power supply assembly are formed in the protection part. In the invention, because the width of the safety groove of the safety guard plate on the safety guard plate is less than or equal to the diameter of the finger of a human body, even if the cabinet opening state of a debugging person is debugged, the finger of the person has no chance to touch the annular metal connecting piece at the end part of the power supply assembly unintentionally, thus causing casualty accidents caused by power electricity.
Description
Technical Field
The invention belongs to the technical field of air switches, and particularly relates to an electric shock prevention safety guard plate assembly.
Background
The air switch is generally used for a high-capacity circuit breaker of 600A or more and performs manual opening and closing operation. The handle locking device is characterized in that a clamping piece is arranged on a handle frame, a hole is formed in a handle and then the handle is locked by a padlock, and the handle locking device is mainly used for preventing a breaker from being mistakenly switched on by a person when the breaker is in a switching-on working state and other people are not allowed to be switched off to cause a power failure accident or a circuit on a load side of the breaker needs to be maintained or is not allowed to be switched on, so that the safety of maintenance personnel or the reliable use of electric equipment are protected. The wiring mode of the air switch and the wiring mode of the breaker are front board, back board, plug-in type and drawer type, and the connection mode corresponds to the robot control and use mode, so that a certain electric shock danger exists in the non-professional debugging mode.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide an electric shock protection safety guard assembly to solve the electric shock risk of non-professional persons.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an electric shock protection safety backplate subassembly, includes the switch board body, switch board door, air switch and power supply unit spare, still including set up in the internal safety backplate of switch board, air switch set up in safety backplate with between the switch board door, and with the power supply unit spare electricity is connected, be equipped with on the safety backplate and be located air switch with the protection part of power supply unit spare's electricity connecting portion top, the protection part is used for preventing that the staff from touching this electricity connecting portion.
The protection part is a plate-shaped structure horizontally arranged at the top of the safety guard plate, and a plurality of safety guard plate safety grooves for inserting the power supply assembly are formed in the protection part.
The safety guard plate safety groove is a kidney-shaped groove.
The width of the safety groove of the safety guard plate is 3.5-6.8 mm.
The safety protection plate is vertically arranged, and one end of the safety protection plate is connected with the control cabinet body.
The power supply assembly is provided with three connecting wires, the protection part is provided with three safety guard plate safety grooves, and the three connecting wires are respectively inserted into the three safety guard plate safety grooves.
The tip of connecting wire is equipped with annular metallic interconnect spare, annular metallic interconnect spare pass through trinity screw with the air switch electricity is connected.
The diameter of the annular metal connecting piece is larger than the width of the safety guard plate safety groove and smaller than the length of the safety guard plate safety groove, and the thickness of the annular metal connecting piece is smaller than or equal to the width of the safety guard plate safety groove.
The air switch comprises an air switch mounting piece and an air switch electric knob part, wherein the air switch electric knob part is arranged on the safety protection plate, and the air switch mounting piece is arranged on the control cabinet door and is matched with the air switch electric knob part to realize the locking of the control cabinet door; when the air switch electric knob component is in a power-off state, the control cabinet door can be opened.
The invention has the advantages and beneficial effects that: in the invention, because the width of the safety groove of the safety guard plate on the safety guard plate is less than or equal to the diameter of the finger of a human body, even if the cabinet opening state of a debugging person is debugged, the finger of the person has no chance to touch the annular metal connecting piece at the end part of the power supply assembly unintentionally, thus causing casualty accidents caused by power electricity. The anti-electric shock safety guard plate assembly provided by the invention enables the error-proofing safety of the industrial robot control cabinet to be higher.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is an enlarged view taken at I in FIG. 2;
FIG. 4 is a top view of FIG. 1;
FIG. 5 is a cross-sectional view B-B of FIG. 4;
FIG. 6 is an enlarged view taken at II in FIG. 5;
FIG. 7 is a left side view of FIG. 1;
FIG. 8 is a cross-sectional view C-C of FIG. 7;
FIG. 9 is an enlarged view at III of FIG. 8;
FIG. 10 is an exploded view of the present invention;
FIG. 11 is an isometric view of the invention in the open door position;
figure 12 is an isometric view of the invention in the closed door position.
In the figure: 1 is the control cabinet body, 2 is the control cabinet door, and 3 are the air switch installed part, and 4 are the air switch electrical knob part, and 5 are the safety protection board, and 6 are the power supply unit spare, and 7 are trinity screw, and 8 are the safety protection board safety groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-3, the electric shock prevention safety guard plate assembly provided by the invention comprises a control cabinet body 1, a control cabinet door 2, an air switch, a power supply assembly 6 and a safety guard plate 5 arranged in the control cabinet body 1, wherein the air switch is arranged between the safety guard plate 5 and the control cabinet door 2 and is electrically connected with the power supply assembly 6, the safety guard plate 5 is provided with a protection part positioned above an electric connection part of the air switch and the power supply assembly 6, and the protection part is used for preventing a human hand from touching the electric connection part.
The protection part is a plate-shaped structure horizontally arranged at the top of the safety guard plate 5, and a plurality of safety guard plate safety grooves 8 for inserting the power supply assembly 6 are formed in the protection part.
As shown in FIG. 3, in the embodiment of the present invention, the safety guard safety groove 8 is a kidney-shaped groove, and the width of the safety guard safety groove 8 is 3.5-6.8 mm.
The safety guard plate 5 is vertically arranged, and one end of the safety guard plate is fixedly connected with the front end of the control cabinet body 1.
As shown in fig. 4-9, the power supply assembly 6 is composed of three connecting wires, the protection portion is provided with three safety guard plate safety grooves 8, and the three connecting wires are respectively inserted into the three safety guard plate safety grooves 8.
As shown in fig. 6 and 10, the end of the connecting wire is provided with an annular metal connector, and the annular metal connector is electrically connected with the air switch through a three-in-one screw 7.
The diameter of the annular metal connecting piece is larger than the width of the safety guard plate safety groove 8 and smaller than the length of the safety guard plate safety groove 8, and the thickness of the annular metal connecting piece is smaller than or equal to the width of the safety guard plate safety groove 8.
As shown in fig. 10-11, the air switch includes an air switch mounting member 3 and an air switch electrical knob member 4, wherein the air switch electrical knob member 4 is disposed on the safety guard plate 5, and the air switch mounting member 3 is disposed on the control cabinet door 2 and is matched with the air switch electrical knob member 4 to achieve locking of the control cabinet door 2, as shown in fig. 12; when the air switch electrical knob assembly 4 is in the de-energized state, the control cabinet door 2 may be opened, as shown in fig. 11.
Generally, the control cabinet body 1 is fixedly installed on other equipment or the ground, and the control cabinet door 2 is hinged with the control cabinet body 1 and can be opened and closed. The control cabinet body 1 and the safety protection plate 5 are fixedly connected, the air switch mounting piece 3 is fixedly connected with the control cabinet door 2, and the air switch electrical knob component 4 is fixedly connected with the safety protection plate 5. One end of the power supply component 6 can supply power electricity to the control cabinet body 1 from the outside of the control cabinet body 1 through a heavy-load connector (an industrial robot controller common spare part). The inside of the elongated part in the middle of the power supply assembly 6 is metal, and the outside of the elongated part in the middle of the power supply assembly 6 is covered with an insulator. The one end of power supply unit 6 is equipped with annular metallic interconnect spare, can be connected with the power supply of air switch electrical knob part 4 through trinity screw 7, the diameter of annular metallic interconnect spare is greater than the width of safety guard plate safety groove 8 on the safety guard plate 5, be less than the length of safety guard plate safety groove 8, the width less than or equal to human finger diameter of safety guard plate safety groove 8 on the safety guard plate 5, the width of safety guard plate safety groove 8 on the thickness less than or equal to safety guard plate 5 of annular metallic interconnect spare. The annular metal connecting piece can be connected with the air switch electric knob component 4 through the three-in-one screw 7 in a power supply mode, and in the process, the deformation of the middle slender part of the power supply component 6 and a tool (such as a screwdriver) are utilized to lock the three-in-one screw 7 through the safety protection plate safety groove 8 on the safety protection plate 5.
The state of closing the door of control cabinet door 2, the knob of rotatory air switch electrical knob part 4, air switch electrical knob part 4 is through closing the door locking to air switch installed part 3 and control cabinet door 2, and electrical logic interlocking air switch electrical knob part 4 is through carrying out inside power supply to air switch installed part 3 and control cabinet door 2 simultaneously. The state of opening the door of switch cabinet door 2, the knob of rotatory air switch electrical knob part 4, the unblock that opens the door is carried out air switch installed part 3 and switch cabinet door 2 to air switch electrical knob part 4, to the inside outage of switch cabinet door 2. Because the width of the safety guard plate safety groove 8 on the safety guard plate 5 is less than or equal to the diameter of a human finger, even if the cabinet opening state of a debugging person is debugged, the human finger does not have the chance to touch the annular metal connecting piece at the end part of the power supply assembly 6 unintentionally, and casualties caused by power electricity are caused.
The 380V three-phase five-wire alternating current power supply can be any energy source capable of enabling a human body to get an electric shock, and is particularly suitable for debugging personnel to play a protective role in a fatigue working state and a state of forgetting a safe operation process.
The power supply side of the air switch electrical knob component 4 contains three groups of power supply assemblies 6, and no matter the power supply or the power failure of the air switch electrical knob component 4, as long as the power supply is carried out on the control cabinet body 1, the three groups of power supply assemblies 6 contained on the power supply side of the air switch electrical knob component 4 are electrified. The air switch electrical knob component 4 is powered on to supply power to other electrical devices in the control cabinet body 1, and the other side of the air switch electrical knob component 4, which is powered on, contains three groups of power supply assemblies 6 which are all electrified. The switch-on and switch-off of the air switch electrical knob component 4 are realized, the power of other electrical devices in the control cabinet body 1 is cut off, the other side of the air switch electrical knob component 4 which is cut off contains three groups of power supply assemblies 6 without electricity, and the personnel safety is ensured due to the interlocking relationship of the electrical and mechanical combination of the switch.
The invention ensures that the industrial robot control cabinet has higher mistake-proof safety, the safety guard plate safety groove 8 on the electric shock-proof safety guard plate can be a long waist hole, and the other shapes can only meet the requirement of preventing the fingers of a person from not entering, and the circular metal component at the end part of the power supply assembly 6 can enter, so that the tool can be adopted to carry out non-open space operation, and the protection range is kept. The electric shock prevention safety guard plate is a metal component, has independent loop grounding and has the function of shielding internal strong current and weak current electromagnetic interference.
The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, extension, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.
Claims (9)
1. The utility model provides an electric shock protection safety backplate subassembly, includes the control cabinet body (1), control cabinet door (2), air switch and power supply unit (6), its characterized in that, still including set up in safety backplate (5) in the control cabinet body (1), air switch set up in safety backplate (5) with between the control cabinet door (2), and with power supply unit (6) electricity is connected, be equipped with on safety backplate (5) and be located air switch with the protection part of the electric connection portion top of power supply unit (6), the protection part is used for preventing that the staff from touching this electric connection portion.
2. The protection against electric shock safety shield assembly according to claim 1, wherein the protection portion is a plate-shaped structure horizontally arranged on the top of the safety shield (5), and a plurality of safety shield safety grooves (8) for inserting the power supply assembly (6) are arranged on the protection portion.
3. The electric shock protection safety shield assembly according to claim 2, wherein the safety shield safety groove (8) is a kidney groove.
4. The electric shock protection safety shield assembly according to claim 3, wherein the width of the safety shield safety groove (8) is 3.5-6.8 mm.
5. The electric shock protection safety guard assembly according to claim 2, wherein the safety guard (5) is vertically arranged and one end of the safety guard is connected with the control cabinet body (1).
6. The protection against electric shock safety guard assembly as claimed in claim 2, wherein the power supply assembly (6) is three connecting wires, the protection portion is provided with three safety guard safety grooves (8), and the three connecting wires are respectively inserted into the three safety guard safety grooves (8).
7. The protection plate assembly of claim 6, wherein the end of the connecting wire is provided with a ring-shaped metal connector, and the ring-shaped metal connector is electrically connected with the air switch through a three-in-one screw (7).
8. The protection against electric shock safety shield assembly according to claim 7, wherein the diameter of the annular metal connecting piece is larger than the width of the safety shield safety groove (8) and smaller than the length of the safety shield safety groove (8), and the thickness of the annular metal connecting piece is smaller than or equal to the width of the safety shield safety groove (8).
9. The protection plate assembly of claim 1, wherein the air switch comprises an air switch mounting member (3) and an air switch electrical knob member (4), wherein the air switch electrical knob member (4) is arranged on the protection plate (5), and the air switch mounting member (3) is arranged on the control cabinet door (2) and is matched with the air switch electrical knob member (4) to realize the locking of the control cabinet door (2); when the air switch electric knob component (4) is in a power-off state, the control cabinet door (2) can be opened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910116004.9A CN111585179A (en) | 2019-02-15 | 2019-02-15 | Protection against electric shock safety backplate subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910116004.9A CN111585179A (en) | 2019-02-15 | 2019-02-15 | Protection against electric shock safety backplate subassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111585179A true CN111585179A (en) | 2020-08-25 |
Family
ID=72124141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910116004.9A Pending CN111585179A (en) | 2019-02-15 | 2019-02-15 | Protection against electric shock safety backplate subassembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111585179A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2085999U (en) * | 1991-03-29 | 1991-10-02 | 广东省佛山通用电气实业(集团)有限公司 | Locking device for socketing bus trunking and switch-box |
| CN2179626Y (en) * | 1993-10-11 | 1994-10-12 | 陈大林 | Power switch open and cut-off interlocking device |
| CN201490118U (en) * | 2009-08-18 | 2010-05-26 | 北京达三江电器设备厂 | Electric-shock protection structure for residual current circuit breakers and moulded case circuit breakers |
| CN201829375U (en) * | 2010-06-25 | 2011-05-11 | 段成奇 | Clamping air switch protective cover |
| CN203103869U (en) * | 2012-12-27 | 2013-07-31 | 昆明湘云衡电气设备有限公司 | Safe-to-use cable branching box |
| CN105406366A (en) * | 2014-09-10 | 2016-03-16 | 殷俊杰 | Panel-type modular electric appliance |
| CN205846469U (en) * | 2016-07-06 | 2016-12-28 | 泉州亿兴电力有限公司 | A kind of safe and reliable direct current cabinet |
-
2019
- 2019-02-15 CN CN201910116004.9A patent/CN111585179A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2085999U (en) * | 1991-03-29 | 1991-10-02 | 广东省佛山通用电气实业(集团)有限公司 | Locking device for socketing bus trunking and switch-box |
| CN2179626Y (en) * | 1993-10-11 | 1994-10-12 | 陈大林 | Power switch open and cut-off interlocking device |
| CN201490118U (en) * | 2009-08-18 | 2010-05-26 | 北京达三江电器设备厂 | Electric-shock protection structure for residual current circuit breakers and moulded case circuit breakers |
| CN201829375U (en) * | 2010-06-25 | 2011-05-11 | 段成奇 | Clamping air switch protective cover |
| CN203103869U (en) * | 2012-12-27 | 2013-07-31 | 昆明湘云衡电气设备有限公司 | Safe-to-use cable branching box |
| CN105406366A (en) * | 2014-09-10 | 2016-03-16 | 殷俊杰 | Panel-type modular electric appliance |
| CN205846469U (en) * | 2016-07-06 | 2016-12-28 | 泉州亿兴电力有限公司 | A kind of safe and reliable direct current cabinet |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200825 |