CN211205553U - Low pressure metering box temperature rise testing arrangement - Google Patents
Low pressure metering box temperature rise testing arrangement Download PDFInfo
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- CN211205553U CN211205553U CN201922400895.9U CN201922400895U CN211205553U CN 211205553 U CN211205553 U CN 211205553U CN 201922400895 U CN201922400895 U CN 201922400895U CN 211205553 U CN211205553 U CN 211205553U
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Abstract
The utility model discloses a low pressure metering box temperature rise testing arrangement, including the measurement box, the equal fixedly connected with guard plate in upper and lower both ends of measurement box, vertical dovetail groove has all been seted up on the inner wall about the measurement box, sliding connection has the trapezoidal piece in the dovetail groove, and the same root horizontally mounting bracket of fixedly connected with between two trapezoidal pieces, the upper end fixedly connected with ammeter frock of mounting bracket, the lower extreme of ammeter frock is pegged graft and is had two wires rather than being connected, set up the through-hole that corresponds with the wire on the lateral wall of mounting bracket, and be provided with the positioning mechanism who corresponds with the wire in the mounting bracket, two the one end that the ammeter frock was kept away from to the wire is connected with same switch. The utility model discloses can adopt the control variable method, test ammeter frock and switch's a plurality of positions, acquire the temperature rise data of different mounted position, guarantee test data's accuracy to help the long-term use of ammeter frock.
Description
Technical Field
The utility model relates to an electrical element technical field especially relates to a low-pressure metering box temperature rise testing arrangement.
Background
Parameters such as plugging stroke, plugging force, mechanical life, temperature rise and the like of the plug-in unit in the low-pressure metering box need to meet the national and industrial technical standards, so that the performance of the plug-in unit needs to be tested before use.
The temperature rise value is the difference between the working temperature of the components such as the switch electric appliance and the bus bar in the device and the ambient air temperature. The temperature rise of each component in the device is influenced by various factors, and the temperature rise value is influenced by various factors such as the selection of the switching device, the phase sequence arrangement, the material of the busbar, the processing and the selection of the unit modulus, the installation of the switching device, the protection grade of the device and the like. Switch and ammeter frock in the current batch meter are fixed structure mostly, are not convenient for adjust its position, and then are not convenient for test its different mounted position's temperature rise, and for this, we propose a low-pressure batch meter temperature rise testing arrangement and solve the problem that the aforesaid was proposed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the low-pressure metering box temperature rise testing arrangement who provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a low-pressure metering box temperature rise testing arrangement, includes the measurement box, the equal fixedly connected with guard plate in upper and lower both ends of measurement box, all seted up vertical dovetail groove on the inner wall about the measurement box, sliding connection has the trapezoidal piece in the dovetail groove, and the same root horizontally mounting bracket of fixedly connected with between two trapezoidal pieces, the upper end fixedly connected with ammeter frock of mounting bracket, the lower extreme of ammeter frock is pegged graft there are two wires rather than being connected, set up the through-hole that corresponds with the wire on the lateral wall of mounting bracket, and be provided with the positioning mechanism who corresponds with the wire in the mounting bracket, two the one end that ammeter frock was kept away from to the wire is connected with same switch, and sets up the mounting groove that corresponds with switch on the inner wall of measurement box.
Preferably, the front side wall of the metering box body is rotatably connected with a revolving door, and a transparent window corresponding to the electric meter tool is fixedly connected to the outer side wall of the revolving door.
Preferably, the side wall of the trapezoidal block is in threaded connection with a first bolt fixed with the inner wall of the trapezoidal groove.
Preferably, the side wall of the power switch is fixedly connected with a sliding block which is connected with the inner wall of the mounting groove in a sliding manner, and the power switch is fixedly connected with the mounting groove through a plurality of second bolts.
Preferably, positioning mechanism is including setting up the cavity in the through-hole both sides, it is connected with vertical dwang to rotate on the bottom wall in the cavity, and the upper end of dwang extends to the upside of mounting bracket, the fixed gear that has cup jointed in the dwang outside in the cavity, and sliding connection has the rack with gear engagement on the inner wall of cavity, two the one end that the rack is relative extends to in the through-hole and fixedly connected with stopper, the one end that the rack was kept away from to the stopper offsets with the wire, and fixedly connected with insulating the pad on the relative lateral wall of two stoppers.
Preferably, one end of the wire, which is far away from the power switch, is connected with a wire head, the wire head is inserted into the lower end of the electric meter tool, and the electric meter tool and an external thermocouple are used for temperature rise testing.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a temperature rise adopts the thermocouple to measure, and the thermocouple has the size little, and is little to being influenced by the measuring point temperature rise, advantages such as convenient to use, and it is extensive to use in electrical apparatus and complete set test, in addition, under positioning mechanism's use, can guarantee the stability of wire when using, has the effect of comb line, avoids appearing the alternately condition between the wire, guarantees the accuracy of test data to help the long-term use of ammeter frock.
2. The position of installation all can be adjusted to ammeter frock and switch in the utility model, and then adopts the control variable method, can test ammeter frock and switch's a plurality of positions, acquires the temperature rise data of different mounted position.
Drawings
Fig. 1 is a schematic external structural diagram of a temperature rise testing device for a low-pressure metering tank according to the present invention;
fig. 2 is a schematic diagram of an internal structure of a temperature rise testing device for a low-pressure metering tank according to the present invention;
fig. 3 is a partially enlarged view of a portion a in fig. 2.
In the figure: 1 measurement box, 2 guard plates, 3 dovetail grooves, 4 dovetail blocks, 5 mounting brackets, 6 ammeter frocks, 7 wires, 8 switch, 9 mounting grooves, 10 revolving doors, 11 sliders, 12 rotating rods, 13 gears, 14 racks and 15 limiting blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a low-pressure measurement case temperature rise testing arrangement, including measurement box 1, the equal fixedly connected with guard plate 2 in upper and lower both ends of measurement box 1, all seted up vertical dovetail groove 3 on the inner wall about measurement box 1, sliding connection has dovetail block 4 in the dovetail groove 3, threaded connection has the first bolt fixed with dovetail groove inner wall on the lateral wall of dovetail block 4, and the same root horizontally mounting bracket 5 of fixedly connected with between two dovetail blocks 4, the upper end fixedly connected with ammeter frock 6 of mounting bracket 5, it is connected with revolving door 10 to rotate on the preceding lateral wall of measurement box 1, and fixedly connected with transparent window that corresponds with ammeter frock 6 on the lateral wall of revolving door 10, the staff of being convenient for observes measurement box 1 inner structure from the outside.
Wherein, the lower end of the electric meter tool 6 is inserted with two wires 7 connected with the electric meter tool, the side wall of the mounting rack 5 is provided with a through hole corresponding to the wire 7, the mounting rack 5 is internally provided with a positioning mechanism corresponding to the wire 7, the positioning mechanism comprises a cavity arranged at two sides of the through hole, the bottom wall of the cavity is rotatably connected with a vertical rotating rod 12, the upper end of the rotating rod 12 extends to the upper side of the mounting rack 5, the outer side of the rotating rod 12 in the cavity is fixedly sleeved with a gear 13, the inner wall of the cavity is slidably connected with a rack 14 engaged with the gear 13, the opposite ends of the two racks 14 extend into the through hole and are fixedly connected with a limiting block 15, the end of the limiting block 15 far away from the rack 14 is abutted against the wire 7, the opposite side walls of the two limiting blocks 15 are fixedly connected with insulating pads, the end of the wire 7 far away from the, the electric meter tool 6 and an external thermocouple are used for temperature rise test, the temperature rise is measured by the thermocouple, the thermocouple has the advantages of small size, small influence on the temperature rise of a measured point, convenience in use and the like, the thermocouple is widely applied to electric appliances and complete set test, the stability of the lead 7 in use can be guaranteed under the use of the positioning mechanism, the wire combing effect is achieved, the crossed condition among the leads 7 is avoided, the accuracy of test data is guaranteed, and the long-term use of the electric meter tool 6 is facilitated.
Wherein, the one end that ammeter frock 6 was kept away from to two wires 7 is connected with same switch 8, and set up the mounting groove 9 that corresponds with switch 8 on the inner wall of measurement box 1, fixedly connected with and mounting groove inner wall sliding connection's slider 11 on switch 8's the lateral wall, by a plurality of second bolt fixed connection between switch 8 and the mounting groove, be convenient for adjust switch's position, adopt the control variable method, can test switch's a plurality of positions, acquire the temperature rise data of different mounted position.
The utility model discloses in, it measures to adopt the thermocouple to measure the temperature rise of ammeter frock 6, the thermocouple has the size little, it is little to being influenced by the measurand point temperature rise, advantages such as convenient to use, it is concrete, the position of installation can all be adjusted to ammeter frock 6 and switch 8, and then adopt the control variable method, can test ammeter frock 6 and switch 8's a plurality of positions, acquire the temperature rise data of different mounted position, in addition, under positioning mechanism's use, can guarantee the stability of wire 7 when using, have the effect of comb line, avoid appearing the crisscross condition between the wire 7, guarantee test data's accuracy, and help ammeter frock 6's long-term use.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The temperature rise testing device of the low-pressure metering box comprises a metering box body (1) and is characterized in that protection plates (2) are fixedly connected to the upper end and the lower end of the metering box body (1), vertical trapezoidal grooves (3) are formed in the left inner wall and the right inner wall of the metering box body (1), trapezoidal blocks (4) are connected in the trapezoidal grooves (3) in a sliding mode, a mounting frame (5) with the same level is fixedly connected between the two trapezoidal blocks (4), an ammeter tool (6) is fixedly connected to the upper end of the mounting frame (5), two wires (7) connected with the ammeter tool (6) are inserted into the lower end of the ammeter tool (6), through holes corresponding to the wires (7) are formed in the side wall of the mounting frame (5), a positioning mechanism corresponding to the wires (7) is arranged in the mounting frame (5), and one end, far away from the ammeter tool (6), of the two wires (7) is connected with a, and the inner wall of the metering box body (1) is provided with a mounting groove (9) corresponding to the power switch (8).
2. The temperature rise testing device for the low-pressure metering box according to claim 1, wherein a rotating door (10) is rotatably connected to a front side wall of the metering box body (1), and a transparent window corresponding to an electric meter tool (6) is fixedly connected to an outer side wall of the rotating door (10).
3. The temperature rise testing device for the low-pressure metering box is characterized in that a first bolt fixed with the inner wall of the trapezoidal groove is in threaded connection with the side wall of the trapezoidal block (4).
4. The low-pressure metering box temperature rise testing device is characterized in that a sliding block (11) which is connected with the inner wall of the mounting groove in a sliding mode is fixedly connected to the side wall of the power switch (8), and the power switch (8) is fixedly connected with the mounting groove through a plurality of second bolts.
5. The temperature rise testing device for the low-pressure metering tank as claimed in claim 1, wherein the positioning mechanism comprises cavities arranged on two sides of the through hole, a vertical rotating rod (12) is rotatably connected to the inner wall of the cavity, the upper end of the rotating rod (12) extends to the upper side of the mounting frame (5), a gear (13) is fixedly sleeved on the outer side of the rotating rod (12) in the cavity, a rack (14) meshed with the gear (13) is slidably connected to the inner wall of the cavity, two opposite ends of the rack (14) extend into the through hole and are fixedly connected with limiting blocks (15), one ends of the limiting blocks (15) far away from the rack (14) are abutted to the lead (7), and an insulating pad is fixedly connected to the opposite side walls of the two limiting blocks (15).
6. The temperature rise testing device for the low-voltage metering box is characterized in that one end, far away from a power switch (8), of a lead (7) is connected with a lead head, the lead head is connected with the lower end of an electric meter tool (6) in an inserted mode, and the electric meter tool (6) is used for carrying out temperature rise testing with an external thermocouple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922400895.9U CN211205553U (en) | 2019-12-27 | 2019-12-27 | Low pressure metering box temperature rise testing arrangement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922400895.9U CN211205553U (en) | 2019-12-27 | 2019-12-27 | Low pressure metering box temperature rise testing arrangement |
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| CN211205553U true CN211205553U (en) | 2020-08-07 |
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| CN201922400895.9U Active CN211205553U (en) | 2019-12-27 | 2019-12-27 | Low pressure metering box temperature rise testing arrangement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112556868A (en) * | 2020-10-26 | 2021-03-26 | 南京航空航天大学 | SiC MOSFET junction temperature detection method based on combined thermosensitive electrical parameter sensitivity enhancement |
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2019
- 2019-12-27 CN CN201922400895.9U patent/CN211205553U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112556868A (en) * | 2020-10-26 | 2021-03-26 | 南京航空航天大学 | SiC MOSFET junction temperature detection method based on combined thermosensitive electrical parameter sensitivity enhancement |
| CN112556868B (en) * | 2020-10-26 | 2021-11-02 | 南京航空航天大学 | SiC MOSFET junction temperature detection method based on combined thermosensitive electrical parameter sensitivity enhancement |
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Denomination of utility model: A temperature rise test device for low pressure metering box Effective date of registration: 20210926 Granted publication date: 20200807 Pledgee: China Construction Bank Co.,Ltd. Qidong sub branch Pledgor: Nantong Electric doctor automation equipment Co.,Ltd. Registration number: Y2021980009877 |