CN215934621U - Explosion-proof motor temperature element wiring device - Google Patents
Explosion-proof motor temperature element wiring device Download PDFInfo
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- CN215934621U CN215934621U CN202122547563.0U CN202122547563U CN215934621U CN 215934621 U CN215934621 U CN 215934621U CN 202122547563 U CN202122547563 U CN 202122547563U CN 215934621 U CN215934621 U CN 215934621U
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Abstract
The utility model discloses a wiring device for temperature measuring elements of an explosion-proof motor, which comprises a connector plug with four holes, a first four-hole connector socket, a second four-hole connector socket and a four-hole terminal assembly, wherein a first bearing temperature measuring element is connected between a first input hole and a second input hole of the four-hole terminal assembly, and a second bearing temperature measuring element is connected between a third input hole and a fourth input hole; the first, second, third and fourth output holes of the four-hole terminal component are respectively and correspondingly connected with the first, second, third and fourth output holes of the second four-hole connector socket. According to the utility model, the flexible adjustment setting is carried out on the plug connector of the wiring terminal, so that the space of the motor and the wiring box is reduced to the maximum extent under the condition that the installation space of the motor is limited, the simultaneous use of the stator winding temperature measuring device and the bearing temperature measuring device is met, the aging and damage of parts caused by overhigh temperature of the stator winding and the bearing are avoided, the risk of motor faults is reduced, and the maintenance cost and investment are reduced.
Description
Technical Field
The utility model relates to the technical field of explosion-proof motor test equipment, in particular to a wiring device for a temperature measurement element of an explosion-proof motor.
Background
Because of the constraints of the thickness of the coal layer and the height of the roadway in the coal mine, the installation space, the operation space and the volume of the underground mining equipment in the coal mine are greatly limited, and particularly for the explosion-proof motor with a compact structure for the underground coal mine, the motor volume is required to be as small as possible, and the output power is required to be as large as possible. The coal mine underground environment is severe, the ventilation effect is not smooth, after the bearing and the winding run for a long time, the temperature is easy to be higher, the insulation aging and the service life of the bearing are shortened, the service life and the service life of the motor are seriously influenced, and once the motor is damaged, the loss of different degrees can be caused to the coal mine, a host factory and a motor manufacturing factory. In order to prevent the motor from being damaged due to overhigh temperature of the bearing and the winding, the motor is often provided with a stator winding temperature measuring device and a bearing temperature measuring device. At present, a temperature measurement wiring method of a mining explosion-proof motor generally adopts a single-branch respective wiring method, often the wiring method needs a large number of wiring terminals for supporting, a client side needs to be provided with a large number of detection devices, and the combined temperature measurement wiring device (or terminal row) can occupy half or even more space of a wiring cavity of a junction box or a base.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a wiring device for a temperature measuring element of an explosion-proof motor, which can monitor the temperature of the motor and reduce the number of terminals and the volume of a junction box.
The technical scheme adopted by the utility model is as follows:
a wiring device for temperature measuring elements of an explosion-proof motor comprises a connector plug with four holes, a first four-hole connector socket, a second four-hole connector socket and a four-hole terminal assembly, wherein a first bearing temperature measuring element is connected between a first input hole and a second input hole of the four-hole terminal assembly, and a second bearing temperature measuring element is connected between a third input hole and a fourth input hole; the first output hole, the second output hole, the third output hole and the fourth output hole of the four-hole terminal component are respectively and correspondingly connected with the first output hole, the second output hole, the third output hole and the fourth output hole of the second four-hole connector socket, and a first winding temperature measuring element, a third bearing temperature measuring element, a second winding temperature measuring element and a fourth bearing temperature measuring element are respectively and correspondingly arranged on connecting wires; the first, second, third and fourth output holes of the first four-hole connector socket are respectively and correspondingly connected with the first, second, third and fourth output holes of the second four-hole connector socket, a third winding temperature measuring element is also connected and arranged between the first output hole and the second output hole of the first four-hole connector socket, a fourth winding temperature measuring element is also connected and arranged between the third output hole and the fourth output hole of the first four-hole connector socket, the four-hole connector plug is matched and spliced with the first four-hole connector socket or the second four-hole connector socket, the four-hole connector plug is two groups of power connectors, and the negative poles of the four-hole connector plug are connected through a lead, the four-hole connector plug and the two jacks corresponding to the first input port and the second input port of the four-hole connector socket form a group, and the two jacks corresponding to the third input port and the fourth input port of the four-hole connector socket form another group.
The four-hole connector is characterized by further comprising an installation guide rail and two end plates, wherein the two end plates are fixedly arranged at one end of the installation guide rail respectively, and the first four-hole connector socket, the second four-hole connector socket and the four-hole terminal assembly are tightly attached to the installation guide rail in sequence and are fixedly arranged on the installation guide rail and tightly attached to the end plates at two ends.
And the third winding temperature measuring element and the fourth winding temperature measuring element are both shell temperature measuring elements.
The temperature measuring element can be a thermistor element or a normally closed type thermosensitive switch.
The winding temperature measuring elements are connected in series by single or multiple branches.
According to the utility model, by flexibly adjusting and setting the plug connector of the wiring terminal, under the condition that the installation space of the motor is limited, the space of the motor and the space of the junction box are reduced to the maximum extent, the simultaneous use of the stator winding temperature measuring device and the bearing temperature measuring device is met, the simultaneous installation of the shaft extension end temperature measuring device and the non-shaft extension end temperature measuring device is met, a standby temperature measuring set can be added under the condition that the wiring space is not changed, the wiring method of the temperature measuring device is improved, the aging and damage of parts caused by overhigh temperature of the stator winding and the bearing are avoided, the risk of motor failure is reduced, the maintenance cost is reduced, and the investment of client equipment is reduced. The wiring space is reduced, and the device volume is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is an electrical schematic of the present invention;
fig. 2 is a schematic structural diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1 and 2, the present invention includes a four-hole connector plug 1, a first four-hole connector socket 3, a second four-hole connector socket 2, and a four-hole terminal assembly 4, wherein a first bearing temperature measuring element 6 is connected between a first input hole (c) and a second input hole (c) of the four-hole terminal assembly 4, and a second bearing temperature measuring element 10 is connected between a third input hole (c) and a fourth input hole (b); the output hole fifth, the output hole sixth, the output hole seventh and the output hole eighth of the four-hole terminal component 4 are correspondingly connected with the output hole fourth, the output hole third, the output hole seventh and the output hole eighth of the second four-hole connector socket 2 respectively, and a first winding temperature measuring element 5, a third bearing temperature measuring element 7, a second winding temperature measuring element 9 and a fourth bearing temperature measuring element 11 are correspondingly arranged on connecting lines respectively; the output hole, the output hole (r) and the output hole (r) of the first four-hole connector socket 3 are correspondingly connected with the output hole (r), the output hole (r) and the output hole (r) of the second four-hole connector socket 2 respectively, a third winding temperature measurement element 12 is connected between the output hole (r) and the output hole (r) of the first four-hole connector socket 3, a fourth winding temperature measurement element 8 is connected between the output hole (r) and the output hole (r) of the first four-hole connector socket 3, the four-hole connector plug 1 is in matched and inserted connection with the first four-hole connector socket 3 or the second four-hole connector socket 2, the four-hole connector plug 1 is provided with two groups of power connectors, the negative electrode of the four-hole connector plug is connected with a lead, the input hole (r) of the four-hole connector plug and the output hole (r) of the four-hole connector socket are in matched and inserted connection with the output hole (r) of the four-hole connector socket, The two corresponding jacks of the output hole (II) are in one group, and the input hole (III) and the input hole (IV) of the four-hole connector plug and the two corresponding jacks of the output hole (III) and the output hole (IV) of the four-hole connector socket are in the other group. The third winding temperature measuring element and the fourth winding temperature measuring element can be changed into a shell temperature measuring element.
According to the utility model, through the arrangement of the wiring terminal, the connection of various combined temperature measuring elements can be realized by adopting one monitoring device, so that the winding temperature measurement, the bearing temperature measurement and the casing temperature measurement can be realized, the motor volume is reduced, and the motor cost is saved.
The four-hole connector socket is characterized by further comprising an installation guide rail 16 and two end plates 17, wherein the two end plates are fixedly arranged at one end of the installation guide rail respectively, and the first four-hole connector socket 3, the second four-hole connector socket 2 and the four-hole terminal assembly 4 are tightly attached to the installation guide rail in sequence and are tightly attached to the end plates at two ends. Through setting up installation guide rail and end plate, make the device install and dismantle through the guide rail more easily, and then realize the whole convenient and fast of device.
The temperature measuring element can be a thermistor element or a normally closed type thermosensitive switch at the same time, and can be selected according to actual requirements.
As can be seen from the above connection, the first winding temperature measuring element 5, the first bearing temperature measuring element 6 and the second bearing temperature measuring element 7 are connected in series to form a loop.
The fourth winding temperature measuring element 8 independently forms a loop, and the fourth winding temperature measuring element 8, the first winding temperature measuring element 5, the first bearing temperature measuring element 6 and the third bearing temperature measuring element 7 are in a parallel structure.
The fourth winding temperature measuring element 8 may be a thermistor element or a normally closed type thermal switch. The fourth winding temperature measuring element 8 can be changed into a casing temperature measuring element which can be a thermistor element or a normally closed type thermosensitive switch.
The second winding temperature measuring element 9, the second bearing temperature measuring element 10 and the fourth bearing temperature measuring element 11 are connected in series to form a loop, and the temperature measuring elements can be thermistor elements or normally-closed type temperature sensitive switches.
The third winding temperature measuring element 12 independently forms a loop, and the third winding temperature measuring element 12, the second winding temperature measuring element 9, the second bearing temperature measuring element 10 and the fourth bearing temperature measuring element 11 are in a parallel structure.
The third winding temperature measuring element 12 may be a thermistor element or a normally closed type thermistor switch. The third winding temperature measuring element 2 can be changed into a casing temperature measuring element which can be a thermistor element or a normally closed type thermosensitive switch.
The winding temperature measuring element can be a single element or three series-connected elements, one element is drawn on the upper surface of the three series-connected elements, and three series-connected connectors are arranged in one element. Three-point temperature can be detected simultaneously, and the detection is more safe than single-point detection.
The winding temperature measuring element can meet the requirements of single-winding single-speed temperature measurement and also can meet the requirements of double-winding double-speed temperature measurement. How to meet the requirements that a single-winding single-speed winding is used and prepared for one (for example, a 5 th winding temperature measuring element is used, a 9 th winding temperature measuring element is reserved, or the 5 th and 9 th winding temperature measuring elements are used simultaneously, and an 8 th and 12 th winding temperature measuring element is reserved simultaneously), and double-winding double-speed temperature measurement (for example, the 5 th winding temperature measuring element is used for a first winding, the 9 th winding temperature measuring element is used for a first winding, the 8 th winding temperature measuring element is used for a second winding, the 12 th winding temperature measuring element is used for a second winding simultaneously, of course, the 5 th and 9 th winding temperature measuring elements can also be used for the first winding simultaneously, and the 8 th and 12 th winding temperature measuring elements can also be used for the second winding simultaneously, and the two windings are protected simultaneously).
The following connection modes or loops can be adopted according to the requirements
Single winding using group of (r) -c- (c), spare group of (c) -c- (c-) ' and spare group of (c) -c- (c-) ' and spare group of (c) ', spare group of (c)
First winding use group of double windings-first to fifth to sixth and fifth, spare group-first to ninth to eighth
Double-winding second winding use group- ③ '- ③ - ((r) -r'), spare group-water pump-r
Note: spare set-meaning that the spare set is enabled after the used set is damaged and cannot be used, the spare set is normally not used in an empty state.
All the winding temperature measuring elements 5, the bearing temperature measuring elements 6, the bearing temperature measuring elements 7 and the winding temperature measuring elements 8 are used groups, the winding temperature measuring elements 9, the bearing temperature measuring elements 10 and the bearing temperature measuring elements 11 are standby groups, so that single-group monitoring can be carried out, standby requirements can be eliminated, the two groups are simultaneously used groups, four groups are connected in parallel, and further multiple-group simultaneous monitoring is realized.
The working principle of the present application is described in detail below: the connector plug 1 and the connector receptacle 2 are assembled together by a patch section. The positive electrode (used) of the connector plug 1 forms a first loop through (i) → first → the first winding temperature measuring element 5 → fifthly → the first bearing temperature measuring element 6 → sixth → the third bearing temperature measuring element 7 → (ii) → second → negative electrode (altogether) of the connector plug 1; the positive electrode (used) of the connector plug 1 constitutes a second loop through (i) → c → the fourth winding temperature measuring element 8 → r → c → r → the negative electrode (common) of the connector plug 1; the first loop is connected in parallel with the second loop.
The (spare) positive electrode of the connector plug 1 forms a third loop through the (common) negative electrode of the connector plug 1, namely, (→ c → the second winding temperature measuring element 9 → c → the second bearing temperature measuring element 10 → b → c → the fourth bearing temperature measuring element 11 → r → → r → b → → b; positive electrode passage ((use)) of connector plug 1 → ③ →
→ third winding temperature measuring element 12 →
→ → the (common) negative electrode of the connector plug 1 constitutes the fourth circuit; the third loop is connected in parallel with the fourth loop.
Compared with the prior art, the utility model has the following advantages:
(1) the occupied space is small, the size of the motor is reduced, and the cost of the motor is saved.
(2) The client can realize the temperature control of the motor only by inputting 1 monitoring device, the input of the monitoring device is less, and the cost is saved.
(3) The requirements of winding temperature measurement and bearing temperature measurement monitoring can be met simultaneously.
(4) Can simultaneously meet the standby requirements of winding temperature measurement and bearing temperature measurement elements.
(5) And the temperature of the shell can be monitored by slightly adjusting the temperature of the shell.
The temperature measuring element of the utility model is provided with a winding temperature measuring element and a bearing temperature measuring element, wherein the winding temperature measuring element and the bearing temperature measuring element are connected in series by using groups, and the winding temperature measuring element and the bearing temperature measuring element are connected in parallel by using two groups. The standby group of winding temperature measuring elements is connected with the bearing temperature measuring elements in series, and the standby group is divided into two groups and the two groups are connected in parallel. Two leads are led out from the client, and the temperature of the motor can be controlled by connecting the two leads with a monitoring device. If the using group is in a condition, the motor can be immediately monitored by switching to a standby group.
In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated without limiting the specific scope of protection of the present invention.
It is noted that the terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the application of the principles of the technology. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the specific embodiments described herein, and may include more effective embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (5)
1. The utility model provides an explosion-proof machine temperature element termination which characterized in that: the temperature measuring device comprises a connector plug with four holes, a first four-hole connector socket, a second four-hole connector socket and a four-hole terminal assembly, wherein a first bearing temperature measuring element is connected between a first input hole and a second input hole of the four-hole terminal assembly, and a second bearing temperature measuring element is connected between a third input hole and a fourth input hole; the first output hole, the second output hole, the third output hole and the fourth output hole of the four-hole terminal component are respectively and correspondingly connected with the first output hole, the second output hole, the third output hole and the fourth output hole of the second four-hole connector socket, and a first winding temperature measuring element, a third bearing temperature measuring element, a second winding temperature measuring element and a fourth bearing temperature measuring element are respectively and correspondingly arranged on connecting wires; the first, second, third and fourth output holes of the first four-hole connector socket are respectively and correspondingly connected with the first, second, third and fourth output holes of the second four-hole connector socket, a third winding temperature measuring element is also connected and arranged between the first output hole and the second output hole of the first four-hole connector socket, a fourth winding temperature measuring element is also connected and arranged between the third output hole and the fourth output hole of the first four-hole connector socket, the four-hole connector plug is matched and spliced with the first four-hole connector socket or the second four-hole connector socket, the four-hole connector plug is two groups of power connectors, and the negative poles of the four-hole connector plug are connected through a lead, the four-hole connector plug and the two jacks corresponding to the first input port and the second input port of the four-hole connector socket form a group, and the two jacks corresponding to the third input port and the fourth input port of the four-hole connector socket form another group.
2. The wiring device for the temperature measuring element of the explosion-proof motor according to claim 1, which is characterized in that: the four-hole connector is characterized by further comprising an installation guide rail and two end plates, wherein the two end plates are fixedly arranged at one end of the installation guide rail respectively, and the first four-hole connector socket, the second four-hole connector socket and the four-hole terminal assembly are tightly attached to the installation guide rail in sequence and are fixedly arranged on the installation guide rail and tightly attached to the end plates at two ends.
3. The wiring device for the temperature measuring element of the explosion-proof motor according to claim 1, which is characterized in that: and the third winding temperature measuring element and the fourth winding temperature measuring element are both shell temperature measuring elements.
4. The wiring device for the temperature measuring element of the explosion-proof motor according to claim 1, which is characterized in that: the temperature measuring element can be a thermistor element or a normally closed type thermosensitive switch.
5. The explosion-proof electric machine temperature measuring element wiring device of any one of claims 1 to 4, characterized in that: the winding temperature measuring elements are connected in series by single or multiple branches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122547563.0U CN215934621U (en) | 2021-10-22 | 2021-10-22 | Explosion-proof motor temperature element wiring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122547563.0U CN215934621U (en) | 2021-10-22 | 2021-10-22 | Explosion-proof motor temperature element wiring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215934621U true CN215934621U (en) | 2022-03-01 |
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ID=80405907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122547563.0U Active CN215934621U (en) | 2021-10-22 | 2021-10-22 | Explosion-proof motor temperature element wiring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215934621U (en) |
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2021
- 2021-10-22 CN CN202122547563.0U patent/CN215934621U/en active Active
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