Protective gateway electric energy meter monitoring device

Abstract

The invention relates to the technical field of electric energy monitoring devices, and discloses a protective gateway electric energy meter monitoring device which comprises a protective shell and a protective door rotationally connected to one side of the protective shell and further comprises a monitoring device body fixedly connected to the interior of the protective shell, and the protective shell is provided with an anti-theft structure. And the anti-theft structure is used for achieving the anti-theft effect when the protective shell is stolen, the anti-theft structure comprises an alarm fixedly connected to the interior of the protective shell, and a first motor is further fixedly connected to the interior of the protective shell. Through the arrangement of the reset spring, the alarm, the conductive sheet group I and the copper sheet I, the monitoring device body can be protected, the use effect of the device is improved, and the problems that most of existing electric energy meter monitoring devices are single in structure, often lack of protection mechanisms and are inconvenient to use are solved. And the internal part of the monitoring device is easily stolen in the use process, so that the use is not facilitated.

Description

Technical Field

[0001] The invention relates to the technical field of electric energy monitoring devices, and in particular to a protective gateway electric energy meter monitoring device. Background Art

[0002] The power of the gateway meter refers to the measurement value used to record and evaluate the total output power in a power supply area. The gateway meter is usually installed at the outlet of the transformer or line to measure and record the total power of the area or line. When testing the power of the gateway meter, a special monitoring device is usually required to monitor the power. However, the existing gateway energy meter monitoring device still has some problems in actual use;

[0003] For example, application number CN201620362617.2 discloses a smart meter monitoring device, including a cabinet, a cabinet door arranged on the cabinet, and a plurality of meter installation slots arranged inside the cabinet, the cabinet door is provided with an observation window, a heat dissipation hole and a switch lock, the meter installation slot includes a horizontally arranged support plate and a vertically arranged backing plate, the bottom end of the backing plate is connected to one end of the support plate, and has the characteristics of enabling the meter to be firmly installed, thereby realizing the rapid installation of the meter and improving the practicality of the device. Most existing electric energy meter monitoring devices have a single structure and often lack a protective mechanism. During use, the monitoring device is prone to theft, which is not conducive to use.

[0004] In view of the above problems, a protective gateway electric energy meter monitoring device is proposed. Summary of the invention

[0005] The purpose of the present invention is to provide a protective gateway electric energy meter monitoring device. By adopting this device to work, the problem that most existing electric energy meter monitoring devices have a single structure and often lack a protective mechanism, which makes it easy for the monitoring device to be stolen during use, making it inconvenient to use.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a protective gateway electric energy meter monitoring device, comprising a protective shell and a protective door rotatably connected to one side of the protective shell, and also comprising a monitoring device body fixedly connected to the inside of the protective shell, the protective shell is provided with an anti-theft structure, and the anti-theft structure is used to play an anti-theft effect when the protective shell is stolen, the anti-theft structure comprises an alarm fixedly connected to the inside of the protective shell, the inside of the protective shell is also fixedly connected to a motor 1, the output of the motor 1 is fixedly connected to a bevel gear 1, one side of the protective shell is detachably provided with a pull-out box, the upper and lower ends of the protective door are provided with fixing grooves, one side of the protective door is fixedly connected to a rotating shaft, and the rotating shaft is rotatably connected to the inside of the protective shell.

[0007] Preferably, a conductive sheet group 1 is fixedly connected to the interior of the protective shell, a reset spring is fixedly connected to the interior of the protective shell, and one end of the reset spring is fixedly connected to a copper sheet 1, the copper sheet 1 is electrically matched with the conductive sheet group 1, and the output of the motor 1 is fixedly connected to a bevel gear 1.

[0008] By adopting the above structural design and setting the reset spring, the copper sheet can automatically produce a reset effect, thereby improving the convenience of the device when used.

[0009] Preferably, one side of the bevel gear one is meshingly connected with the bevel gear two, and the top of the bevel gear two is fixedly connected with a forward and reverse screw rod, the upper and lower ends of the forward and reverse screw rod are threadedly connected with a fixing block, and the fixing block is slidably connected to the inside of the protective shell.

[0010] By adopting the above structural design and arranging the bevel gear 1 and the bevel gear 2, the transmission direction of the motor 1 is changed, thereby promoting the work process.

[0011] Preferably, the fixed block is slidably matched with the fixed groove, one end of the protective door is fixedly connected to a contact sensor, and the contact sensor is electrically connected to the alarm, the section of the rotating shaft is fixedly connected to a transmission gear, and one side of the transmission gear is meshingly connected to a rack, one end of the rack is fixedly connected to a limit block, and the limit block is slidably matched with the pull-out box, and one side of the protective shell is fixedly connected to a protective plate.

[0012] By adopting the above structural design and providing the pull-out box, the dust after cleaning can be temporarily stored, thereby improving the use effect.

[0013] Preferably, a filter frame is fixedly connected to the interior of the protective shell, a motor 2 is fixedly connected to the interior of the protective shell, the output of the motor 2 is fixedly connected to a winding roller 1, and the bottom end of the winding roller 1 is fixedly connected to a reciprocating screw, and the outer side of the reciprocating screw is threadedly connected to a cleaning brush holder.

[0014] By adopting the above structural design and arranging the cleaning brush holder, the ventilation effect of the device is improved, and blockage of the ventilation point is avoided.

[0015] Preferably, the cleaning brush holder is in contact with the filter mesh holder, and the interior of the protective shell is also rotatably connected to a winding roller 2, and a bevel gear assembly is provided at the bottom of the winding roller 2, one end of the bevel gear assembly is fixedly connected to a winding roller 3, and the interior of the protective shell is also rotatably connected to a winding roller 4.

[0016] By adopting the above structural design and arranging the winding rollers three and four, the motor two can also rotate the fan blades, thereby improving the working efficiency.

[0017] Preferably, belts are mounted on the outer sides of the winding roller four and the winding roller three, a fan blade is fixedly connected to one side of the winding roller four, a connecting box is fixedly connected to the top of the protective shell, a shaking top is slidably connected to the top of the connecting box, and a protrusion is fixedly connected to the bottom of the shaking top.

[0018] By adopting the above structural design and setting of the connection box, relevant devices can be placed inside the connection box, thereby improving the space utilization of the device.

[0019] Preferably, the top of the winding roller 2 is fixedly connected with a bevel gear 3, and one side of the bevel gear 3 is meshingly connected with a bevel gear 4, one side of the bevel gear 4 is fixedly connected with a contact block, and the bottom of the protrusion is fixedly connected with a spring rod.

[0020] By adopting the above structural design and setting the spring rod, it is possible to remove the debris on the top of the monitoring device.

[0021] Preferably, one end of the spring rod is fixedly connected to the inside of the connection box, the contact block matches the spring rod, a heating rod is also fixedly connected to the inside of the protective shell, and a placement opening is also opened in the inside of the protective shell.

[0022] By adopting the above structural design and setting the heating rod, the function of automatically adjusting according to the external environment temperature is achieved.

[0023] Preferably, an airbag is fixedly connected inside the placement port, and a second copper sheet is fixedly connected to one end of the airbag, and a second conductive sheet group is fixedly connected inside the placement port, and the second conductive sheet group is electrically connected to the heating rod.

[0024] By adopting the above structural design and setting the conductive sheet group 2, the heating rod can automatically achieve the temperature control effect, which is convenient for use.

[0025] Compared with the prior art, the present invention has the following beneficial effects:

[0026] 1. The present application achieves the function of protecting the monitoring device body by setting a reset spring, an alarm, a conductive sheet group 1 and a copper sheet 1, thereby improving the use effect of the device and solving the problem that most existing electric energy meter monitoring devices have a single structure and often lack a protective mechanism, which makes it easy for the monitoring device to be stolen during use, making it inconvenient to use.

[0027] 2. The present application realizes the function of automatic adjustment according to the external ambient temperature through the setting of a cleaning brush holder, a filter mesh holder, a reciprocating screw rod and a pull-out box, thereby improving the applicability of the device and solving the problem that the existing electric energy meter monitoring device does not have the function of regulating its own temperature during use, which makes the use of the overall device relatively limited and cannot adapt to more working environments.

[0028] 3. The present application achieves the function of removing debris on the top of the monitoring device through the setting of the connecting box, the shaking top, the spring rod and the bevel gear, thereby solving the problem that most of the debris on the top of the existing monitoring device needs to be cleaned manually, affecting the use effect.

[0029] 4. The present application realizes the effect of automatically starting the heating rod without the need for an external power line switch through the airbag, the second conductive sheet group and the second copper sheet, thereby facilitating subsequent use and solving the problem that the working status of the heating rod 23 inside the existing electric energy meter monitoring device is often managed by a temperature sensor during operation. When the sensor is damaged, the temperature control effect will be out of control. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0031] Figure 2 It is a structural diagram of the monitoring device body and the contact sensor of the present invention;

[0032] Figure 3 This is a structural diagram of the motor 1 and the positive and negative screw rods of the present invention;

[0033] Figure 4 It is a structural diagram of the rotating shaft and the transmission gear of the present invention;

[0034] Figure 5 It is a structural diagram of the protective plate and the filter frame of the present invention;

[0035] Figure 6 It is a structural diagram of the motor 2 and the cleaning brush holder of the present invention;

[0036] Figure 7 It is a structural diagram of the connection box and the shaking top of the present invention;

[0037] Figure 8 It is a structural diagram of the spring rod and the contact block of the present invention;

[0038] Fig. 9 For the present invention Figure 2 The structure diagram at A is enlarged;

[0039] Fig.10 This is a structural diagram of the airbag and conductive sheet group 2 of the present invention.

[0040] In the figure: 1, protective housing; 11, alarm; 111, conductive sheet group 1; 112, reset spring; 113, copper sheet 1; 12, motor 1; 121, bevel gear 1; 122, bevel gear 2; 123, positive and negative screw rod; 124, fixed block; 13, pull-out box; 131, protective plate; 132, filter rack; 133, motor 2; 134, winding roller 1; 135, reciprocating screw rod; 136, cleaning brush holder; 14, winding roller 2; 141, bevel gear assembly; 142, winding roller 3; 14 3. Winding roller four; 144. Fan blade; 15. Connection box; 151. Shaking top; 152. Bump; 153. Bevel gear three; 154. Bevel gear four; 155. Contact block; 156. Spring rod; 2. Protective door; 21. Fixed slot; 211. Contact sensor; 22. Rotating shaft; 221. Transmission gear; 222. Rack; 223. Limit block; 23. Heating rod; 231. Placement port; 232. Airbag; 233. Conductive sheet group two; 234. Copper sheet two; 3. Monitoring device body. DETAILED DESCRIPTION

[0041] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0042] In order to further understand the content of the present invention, the present invention is described in detail in conjunction with the accompanying drawings.

[0043] Combination Figure 1-Figure 4 A protective gateway electric energy meter monitoring device comprises a protective shell 1 and a protective door 2 rotatably connected to one side of the protective shell 1, and also comprises a monitoring device body 3 fixedly connected to the inside of the protective shell 1. The protective shell 1 is provided with an anti-theft structure, and the anti-theft structure is used to play an anti-theft effect when the protective shell 1 is stolen. The anti-theft structure comprises an alarm 11 fixedly connected to the inside of the protective shell 1, and a motor 12 is also fixedly connected to the inside of the protective shell 1, and the output of the motor 12 is fixedly connected to a bevel gear 121. A pull-out box 13 is detachably provided on one side of the protective shell 1, and fixing grooves 21 are provided at the upper and lower ends of the protective door 2. A rotating shaft 22 is fixedly connected to one side of the protective door 2, and the rotating shaft 22 is rotatably connected to the inside of the protective shell 1.

[0044] The present invention will be further described below in conjunction with the embodiments.

[0045] Embodiment 1:

[0046] In order to solve the problem that most of the existing electric energy meter monitoring devices have a single structure and often lack a protection mechanism, which makes it easy for the monitoring device to be stolen during use, which is not conducive to use, this embodiment discloses the following solution, specifically as follows: Figure 1-Figure 10 As shown: the interior of the protective housing 1 is also fixedly connected to a conductive sheet group 111, the interior of the protective housing 1 is also fixedly connected to a reset spring 112, and one end of the reset spring 112 is fixedly connected to a copper sheet 113, the copper sheet 113 is electrically matched with the conductive sheet group 111, the output of the motor 12 is fixedly connected to a bevel gear 121, one side of the bevel gear 121 is meshedly connected to a bevel gear 2 122, and the top of the bevel gear 2 122 is fixedly connected to a positive and negative threaded rod 123, and the upper and lower ends of the positive and negative threaded rod 123 are screwed The protective door 2 is connected with a fixing block 124, and the fixing block 124 is slidably connected to the inside of the protective shell 1, the fixing block 124 is slidably matched with the fixing groove 21, one end of the protective door 2 is fixedly connected with a contact sensor 211, and the contact sensor 211 is electrically connected to the alarm 11, the section of the rotating shaft 22 is fixedly connected with a transmission gear 221, and one side of the transmission gear 221 is meshedly connected with a rack 222, one end of the rack 222 is fixedly connected with a limit block 223, and the limit block 223 is slidably matched with the pull-out box 13, when the overuse During the process, when the whole device is in the closed state, the fixed block 124 is in the fixed groove 21 at the top of the protective door 2. Under the effect of the reset spring 112, the copper sheet 113 contacts the conductive sheet group 111. At this time, the alarm 11 is in the energized state. When the thief steals, the thief's theft tool can contact the contact sensor 211. When the contact sensor 211 contacts, an electrical signal can be generated and transmitted to the alarm 11. The alarm 11 sends out an audible and visual alarm to remind the staff that the protective shell 1 has been stolen. When it is necessary to perform maintenance operations on the inside of the protective shell 1, the motor 12 can be started at this time. The motor 12 drives the bevel gear 121 to rotate, thereby rotating the bevel gear 2 122. The bevel gear 2 122 drives the forward and reverse screw rods 123 to rotate, thereby moving the fixed block 124. After the fixed block 124 is removed from the inside of the fixed groove 21, the user can open the protective door 2 and perform maintenance operations on the monitoring device body 3, thereby achieving the role of being able to protect the monitoring device body 3 and improving the use effect of the device.

[0047] Embodiment 2:

[0048] In order to solve the problem that the existing electric energy meter monitoring device does not have the function of regulating its own temperature when in use, which makes the use of the overall device relatively limited and cannot adapt to more working environments, this embodiment discloses the following technical solutions, specifically as follows: Figure 5-Figure 8As shown, a protective plate 131 is fixedly connected to one side of the protective shell 1, a filter frame 132 is also fixedly connected to the inside of the protective shell 1, a motor 133 is also fixedly connected to the inside of the protective shell 1, the output of the motor 133 is fixedly connected to a winding roller 134, and the bottom end of the winding roller 134 is fixedly connected to a reciprocating screw rod 135, the outer side of the reciprocating screw rod 135 is threadedly connected to a cleaning brush holder 136, and the cleaning brush holder 136 is in contact with the filter frame 132, the inside of the protective shell 1 is also rotatably connected to a winding roller 14, and a bevel gear assembly 141 is provided at the bottom of the winding roller 14, one end of the bevel gear assembly 141 is fixedly connected to a winding roller 3 142, the inside of the protective shell 1 is also rotatably connected to a winding roller 4 143, and the winding roller 4 1 43 and the outer side of the winding roller three 142 are sleeved with a belt, one side of the winding roller four 143 is fixedly connected with a fan blade 144, the top of the protective shell 1 is fixedly connected with a connection box 15, the top of the connection box 15 is slidably connected with a shaking top 151, and the bottom of the shaking top 151 is fixedly connected with a protrusion 152, the top of the winding roller two 14 is fixedly connected with a bevel gear three 153, and one side of the bevel gear three 153 is meshedly connected with a bevel gear four 154, one side of the bevel gear four 154 is fixedly connected with a contact block 155, the bottom of the protrusion 152 is fixedly connected with a spring rod 156, one end of the spring rod 156 is fixedly connected to the inside of the connection box 15, the contact block 155 matches the spring rod 156, and the inside of the protective shell 1 is also fixedly connected with a heating rod 2 3. The protective shell 1 is also provided with a placement opening 231, an air bag 232 is fixedly connected to the placement opening 231, and one end of the air bag 232 is fixedly connected to a copper sheet 234, and a conductive sheet group 233 is fixedly connected to the placement opening 231, and the conductive sheet group 233 is electrically connected to the heating rod 23. When the internal temperature of the protective shell 1 is high and needs to be cooled, the motor 2 133 can be started at this time, and the motor 2 133 drives the roller 1 134 to rotate, thereby rotating the reciprocating screw rod 135, and the reciprocating screw rod 135 drives the cleaning brush holder 136 to reciprocate on the outside of the filter frame 132, and the filter frame 132 can be cleaned at this time, and the dust after cleaning is swept into the interior of the pull-out box 13, and when cleaning is needed , the motor 12 can be started to open the protective door 2, the protective door 2 drives the rotating shaft 22 to rotate, and then the transmission gear 221 rotates, the transmission gear 221 drives the rack 222 to rotate, and then the limit block 223 loosens the fixing effect on the pull-out box 13, and the pull-out box 13 can be taken out from the inside of the protective shell 1, the roller 1 134 rotates the roller 2 14 through the belt, and then the bevel gear assembly 141 rotates, the bevel gear assembly 141 drives the fan blade 144 to rotate through the roller 3 142 and the roller 4 143, and the fan blade 144 can cool the monitoring device body 3, when it is necessary to clean the debris on the top of the connection box 15, the roller 2 14 drives the bevel gear 3 153 to rotate, and then the bevel gear 4 154 rotates,Bevel gear 4 154 drives contact block 155 to rotate, so that contact block 155 and convex block 152 are intermittently contacted. Under the effect of spring rod 156, convex block 152 can be reciprocated. Convex block 152 drives shaking top 151 to reciprocate, so that the sundries on the top of shaking top 151 can be shaken off, realizing the function of automatic adjustment according to the external environment temperature, and improving the applicability of the device.

[0049] Embodiment 3:

[0050] In order to solve the problem that the working state of the heating rod 23 in the existing electric energy meter monitoring device is often managed by a temperature sensor during operation, and the temperature control effect will be out of control when the sensor is damaged, the present embodiment discloses the following technical solutions, specifically as follows: Fig. 9 and Fig.10 As shown, when the external environment temperature is low, the airbag 232 can be contracted, and the airbag 232 drives the copper sheet 234 to move, so that the copper sheet 234 contacts the conductive sheet group 233, thereby forming a passage. At this time, the heating rod 23 is started, which can increase the temperature inside the protective shell 1. When the temperature rises to a certain position, the airbag 232 expands and the copper sheet 234 is separated from the conductive sheet group 233. At this time, the heating rod 23 is in a closed state, which can achieve the effect of automatic temperature control, and realizes the effect of automatically starting the heating rod 23 without the need for an external power cord switch, which is convenient for subsequent use.

[0051] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0052] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A protective gateway electric energy meter monitoring device, comprising a protective housing (1) and a protective door (2) rotatably connected to one side of the protective housing (1), and also comprising a monitoring device body (3) fixedly connected to the inside of the protective housing (1), characterized in that: The protective shell (1) is provided with an anti-theft structure, and the anti-theft structure is used to play an anti-theft effect when the protective shell (1) is stolen. The anti-theft structure includes an alarm (11) fixedly connected to the inside of the protective shell (1), and the inside of the protective shell (1) is also fixedly connected to a motor 1 (12), and the output of the motor 1 (12) is fixedly connected to a bevel gear 1 (121). A pull-out box (13) is detachably provided on one side of the protective shell (1), and the upper and lower ends of the protective door (2) are provided with fixing grooves (21). A rotating shaft (22) is fixedly connected to one side of the protective door (2), and the rotating shaft (22) is rotatably connected to the inside of the protective shell (1).

2. A protective gateway electric energy meter monitoring device according to claim 1, characterized in that: The protective shell (1) is also fixedly connected to a conductive sheet group (111) inside, and a reset spring (112) is also fixedly connected to the inside of the protective shell (1), and one end of the reset spring (112) is fixedly connected to a copper sheet (113), and the copper sheet (113) is electrically matched with the conductive sheet group (111), and the output of the motor (12) is fixedly connected to a bevel gear (121).

3. A protective gateway electric energy meter monitoring device according to claim 2, characterized in that: One side of the bevel gear 1 (121) is meshedly connected with the bevel gear 2 (122), and the top of the bevel gear 2 (122) is fixedly connected with a positive and negative threaded rod (123), and the upper and lower ends of the positive and negative threaded rod (123) are both threadedly connected with a fixing block (124), and the fixing block (124) is slidably connected to the inside of the protective shell (1).

4. A protective gateway electric energy meter monitoring device according to claim 3, characterized in that: The fixing block (124) is slidably matched with the fixing groove (21); one end of the protective door (2) is fixedly connected with a contact sensor (211), and the contact sensor (211) is electrically connected with the alarm (11); a section of the rotating shaft (22) is fixedly connected with a transmission gear (221), and one side of the transmission gear (221) is meshingly connected with a rack (222); one end of the rack (222) is fixedly connected with a limit block (223), and the limit block (223) is slidably matched with the pull-out box (13); one side of the protective shell (1) is fixedly connected with a protective plate (131).

5. A protective gateway electric energy meter monitoring device according to claim 4, characterized in that: The interior of the protective shell (1) is also fixedly connected to a filter frame (132), and the interior of the protective shell (1) is also fixedly connected to a second motor (133), the output of the second motor (133) is fixedly connected to a winding roller (134), and the bottom end of the winding roller (134) is fixedly connected to a reciprocating screw (135), and the outer side of the reciprocating screw (135) is threadedly connected to a cleaning brush frame (136).

6. A protective gateway electric energy meter monitoring device according to claim 5, characterized in that: The cleaning brush holder (136) is slidably connected to the interior of the protective shell (1), and the cleaning brush holder (136) is in contact with the filter frame (132). The interior of the protective shell (1) is also rotatably connected to the winding roller 2 (14), and a bevel gear assembly (141) is provided at the bottom of the winding roller 2 (14). One end of the bevel gear assembly (141) is fixedly connected to the winding roller 3 (142), and the interior of the protective shell (1) is also rotatably connected to the winding roller 4 (143).

7. A protective gateway electric energy meter monitoring device according to claim 6, characterized in that: The outer sides of the winding roller four (143) and the winding roller three (142) are sleeved with belts, one side of the winding roller four (143) is fixedly connected to a fan blade (144), the top of the protective shell (1) is fixedly connected to a connection box (15), the top of the connection box (15) is slidably connected to a shaking top (151), and the bottom of the shaking top (151) is fixedly connected to a protrusion (152).

8. A protective gateway electric energy meter monitoring device according to claim 7, characterized in that: The top of the winding roller 2 (14) is fixedly connected to a bevel gear 3 (153), and one side of the bevel gear 3 (153) is meshingly connected to a bevel gear 4 (154), one side of the bevel gear 4 (154) is fixedly connected to a contact block (155), and the bottom of the protrusion (152) is fixedly connected to a spring rod (156).

9. A protective gateway electric energy meter monitoring device according to claim 8, characterized in that: One end of the spring rod (156) is fixedly connected to the inside of the connection box (15); the contact block (155) matches the spring rod (156); a heating rod (23) is also fixedly connected to the inside of the protective shell (1); and a placement opening (231) is also provided in the inside of the protective shell (1).

10. A protective gateway electric energy meter monitoring device according to claim 9, characterized in that: An air bag (232) is fixedly connected inside the placement opening (231), and one end of the air bag (232) is fixedly connected to a second copper sheet (234). A second conductive sheet group (233) is fixedly connected inside the placement opening (231), and the second conductive sheet group (233) is electrically connected to the heating rod (23).

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